diff options
| author | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
|---|---|---|
| committer | Jiri Kosina <jkosina@suse.cz> | 2012-04-08 21:48:52 +0200 |
| commit | e75d660672ddd11704b7f0fdb8ff21968587b266 (patch) | |
| tree | ccb9c107744c10b553c0373e450bee3971d16c00 /drivers/scsi | |
| parent | 61282f37927143e45b03153f3e7b48d6b702147a (diff) | |
| parent | 0034102808e0dbbf3a2394b82b1bb40b5778de9e (diff) | |
Merge branch 'master' into for-next
Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.
Conflicts:
drivers/net/ethernet/realtek/r8169.c
Diffstat (limited to 'drivers/scsi')
219 files changed, 15069 insertions, 5452 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c index f672491774e..a3adfb4357f 100644 --- a/drivers/scsi/53c700.c +++ b/drivers/scsi/53c700.c @@ -129,7 +129,6 @@ #include <linux/interrupt.h> #include <linux/device.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/pgtable.h> #include <asm/byteorder.h> diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c index f66c33b9ab4..d4da3708763 100644 --- a/drivers/scsi/BusLogic.c +++ b/drivers/scsi/BusLogic.c @@ -47,7 +47,6 @@ #include <asm/dma.h> #include <asm/io.h> -#include <asm/system.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig index 16570aa84aa..29684c8142b 100644 --- a/drivers/scsi/Kconfig +++ b/drivers/scsi/Kconfig @@ -619,6 +619,7 @@ config SCSI_ARCMSR source "drivers/scsi/megaraid/Kconfig.megaraid" source "drivers/scsi/mpt2sas/Kconfig" +source "drivers/scsi/ufs/Kconfig" config SCSI_HPTIOP tristate "HighPoint RocketRAID 3xxx/4xxx Controller support" @@ -662,6 +663,13 @@ config VMWARE_PVSCSI To compile this driver as a module, choose M here: the module will be called vmw_pvscsi. +config HYPERV_STORAGE + tristate "Microsoft Hyper-V virtual storage driver" + depends on SCSI && HYPERV + default HYPERV + help + Select this option to enable the Hyper-V virtual storage driver. + config LIBFC tristate "LibFC module" select SCSI_FC_ATTRS @@ -967,9 +975,8 @@ config SCSI_IPS config SCSI_IBMVSCSI tristate "IBM Virtual SCSI support" - depends on PPC_PSERIES || PPC_ISERIES + depends on PPC_PSERIES select SCSI_SRP_ATTRS - select VIOPATH if PPC_ISERIES help This is the IBM POWER Virtual SCSI Client @@ -1897,6 +1904,14 @@ config SCSI_BFA_FC To compile this driver as a module, choose M here. The module will be called bfa. +config SCSI_VIRTIO + tristate "virtio-scsi support (EXPERIMENTAL)" + depends on EXPERIMENTAL && VIRTIO + help + This is the virtual HBA driver for virtio. If the kernel will + be used in a virtual machine, say Y or M. + + endif # SCSI_LOWLEVEL source "drivers/scsi/pcmcia/Kconfig" diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile index 2b887498be5..8deedeaf560 100644 --- a/drivers/scsi/Makefile +++ b/drivers/scsi/Makefile @@ -108,6 +108,7 @@ obj-$(CONFIG_MEGARAID_LEGACY) += megaraid.o obj-$(CONFIG_MEGARAID_NEWGEN) += megaraid/ obj-$(CONFIG_MEGARAID_SAS) += megaraid/ obj-$(CONFIG_SCSI_MPT2SAS) += mpt2sas/ +obj-$(CONFIG_SCSI_UFSHCD) += ufs/ obj-$(CONFIG_SCSI_ACARD) += atp870u.o obj-$(CONFIG_SCSI_SUNESP) += esp_scsi.o sun_esp.o obj-$(CONFIG_SCSI_GDTH) += gdth.o @@ -141,7 +142,9 @@ obj-$(CONFIG_SCSI_CXGB4_ISCSI) += libiscsi.o libiscsi_tcp.o cxgbi/ obj-$(CONFIG_SCSI_BNX2_ISCSI) += libiscsi.o bnx2i/ obj-$(CONFIG_BE2ISCSI) += libiscsi.o be2iscsi/ obj-$(CONFIG_SCSI_PMCRAID) += pmcraid.o +obj-$(CONFIG_SCSI_VIRTIO) += virtio_scsi.o obj-$(CONFIG_VMWARE_PVSCSI) += vmw_pvscsi.o +obj-$(CONFIG_HYPERV_STORAGE) += hv_storvsc.o obj-$(CONFIG_ARM) += arm/ @@ -170,6 +173,8 @@ scsi_mod-$(CONFIG_SCSI_PROC_FS) += scsi_proc.o scsi_mod-y += scsi_trace.o scsi_mod-$(CONFIG_PM) += scsi_pm.o +hv_storvsc-y := storvsc_drv.o + scsi_tgt-y += scsi_tgt_lib.o scsi_tgt_if.o sd_mod-objs := sd.o diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c index 409f5805bdd..52551662d10 100644 --- a/drivers/scsi/aacraid/aachba.c +++ b/drivers/scsi/aacraid/aachba.c @@ -151,7 +151,11 @@ int aac_msi; int aac_commit = -1; int startup_timeout = 180; int aif_timeout = 120; +int aac_sync_mode; /* Only Sync. transfer - disabled */ +module_param(aac_sync_mode, int, S_IRUGO|S_IWUSR); +MODULE_PARM_DESC(aac_sync_mode, "Force sync. transfer mode" + " 0=off, 1=on"); module_param(nondasd, int, S_IRUGO|S_IWUSR); MODULE_PARM_DESC(nondasd, "Control scanning of hba for nondasd devices." " 0=off, 1=on"); diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h index ffb587817ef..3fcf62724fa 100644 --- a/drivers/scsi/aacraid/aacraid.h +++ b/drivers/scsi/aacraid/aacraid.h @@ -12,7 +12,7 @@ *----------------------------------------------------------------------------*/ #ifndef AAC_DRIVER_BUILD -# define AAC_DRIVER_BUILD 28000 +# define AAC_DRIVER_BUILD 28900 # define AAC_DRIVER_BRANCH "-ms" #endif #define MAXIMUM_NUM_CONTAINERS 32 @@ -756,8 +756,16 @@ struct src_mu_registers { struct src_registers { struct src_mu_registers MUnit; /* 00h - c7h */ - __le32 reserved1[130790]; /* c8h - 7fc5fh */ - struct src_inbound IndexRegs; /* 7fc60h */ + union { + struct { + __le32 reserved1[130790]; /* c8h - 7fc5fh */ + struct src_inbound IndexRegs; /* 7fc60h */ + } tupelo; + struct { + __le32 reserved1[974]; /* c8h - fffh */ + struct src_inbound IndexRegs; /* 1000h */ + } denali; + } u; }; #define src_readb(AEP, CSR) readb(&((AEP)->regs.src.bar0->CSR)) @@ -999,6 +1007,10 @@ struct aac_bus_info_response { #define AAC_OPT_NEW_COMM cpu_to_le32(1<<17) #define AAC_OPT_NEW_COMM_64 cpu_to_le32(1<<18) #define AAC_OPT_NEW_COMM_TYPE1 cpu_to_le32(1<<28) +#define AAC_OPT_NEW_COMM_TYPE2 cpu_to_le32(1<<29) +#define AAC_OPT_NEW_COMM_TYPE3 cpu_to_le32(1<<30) +#define AAC_OPT_NEW_COMM_TYPE4 cpu_to_le32(1<<31) + struct aac_dev { @@ -1076,6 +1088,8 @@ struct aac_dev # define AAC_MIN_FOOTPRINT_SIZE 8192 # define AAC_MIN_SRC_BAR0_SIZE 0x400000 # define AAC_MIN_SRC_BAR1_SIZE 0x800 +# define AAC_MIN_SRCV_BAR0_SIZE 0x100000 +# define AAC_MIN_SRCV_BAR1_SIZE 0x400 #endif union { @@ -1116,7 +1130,10 @@ struct aac_dev u8 msi; int management_fib_count; spinlock_t manage_lock; - + spinlock_t sync_lock; + int sync_mode; + struct fib *sync_fib; + struct list_head sync_fib_list; }; #define aac_adapter_interrupt(dev) \ @@ -1163,6 +1180,7 @@ struct aac_dev #define FIB_CONTEXT_FLAG_TIMED_OUT (0x00000001) #define FIB_CONTEXT_FLAG (0x00000002) +#define FIB_CONTEXT_FLAG_WAIT (0x00000004) /* * Define the command values @@ -1970,6 +1988,7 @@ int aac_rkt_init(struct aac_dev *dev); int aac_nark_init(struct aac_dev *dev); int aac_sa_init(struct aac_dev *dev); int aac_src_init(struct aac_dev *dev); +int aac_srcv_init(struct aac_dev *dev); int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify); unsigned int aac_response_normal(struct aac_queue * q); unsigned int aac_command_normal(struct aac_queue * q); diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c index 7ac8fdb5577..a35f54ebdce 100644 --- a/drivers/scsi/aacraid/comminit.c +++ b/drivers/scsi/aacraid/comminit.c @@ -325,12 +325,14 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) { u32 status[5]; struct Scsi_Host * host = dev->scsi_host_ptr; + extern int aac_sync_mode; /* * Check the preferred comm settings, defaults from template. */ dev->management_fib_count = 0; spin_lock_init(&dev->manage_lock); + spin_lock_init(&dev->sync_lock); dev->max_fib_size = sizeof(struct hw_fib); dev->sg_tablesize = host->sg_tablesize = (dev->max_fib_size - sizeof(struct aac_fibhdr) @@ -344,13 +346,21 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) (status[0] == 0x00000001)) { if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_64)) dev->raw_io_64 = 1; - if (dev->a_ops.adapter_comm) { - if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE1)) { - dev->comm_interface = AAC_COMM_MESSAGE_TYPE1; - dev->raw_io_interface = 1; - } else if (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM)) { + dev->sync_mode = aac_sync_mode; + if (dev->a_ops.adapter_comm && + (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM))) { dev->comm_interface = AAC_COMM_MESSAGE; dev->raw_io_interface = 1; + if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE1))) { + /* driver supports TYPE1 (Tupelo) */ + dev->comm_interface = AAC_COMM_MESSAGE_TYPE1; + } else if ((status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE4)) || + (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE3)) || + (status[1] & le32_to_cpu(AAC_OPT_NEW_COMM_TYPE2))) { + /* driver doesn't support TYPE2 (Series7), TYPE3 and TYPE4 */ + /* switch to sync. mode */ + dev->comm_interface = AAC_COMM_MESSAGE_TYPE1; + dev->sync_mode = 1; } } if ((dev->comm_interface == AAC_COMM_MESSAGE) && @@ -455,6 +465,7 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev) } INIT_LIST_HEAD(&dev->fib_list); + INIT_LIST_HEAD(&dev->sync_fib_list); return dev; } diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c index e5f2d7d9002..4b32ca44243 100644 --- a/drivers/scsi/aacraid/commsup.c +++ b/drivers/scsi/aacraid/commsup.c @@ -416,6 +416,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, unsigned long flags = 0; unsigned long qflags; unsigned long mflags = 0; + unsigned long sflags = 0; if (!(hw_fib->header.XferState & cpu_to_le32(HostOwned))) @@ -512,6 +513,31 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size, spin_lock_irqsave(&fibptr->event_lock, flags); } + if (dev->sync_mode) { + if (wait) + spin_unlock_irqrestore(&fibptr->event_lock, flags); + spin_lock_irqsave(&dev->sync_lock, sflags); + if (dev->sync_fib) { + list_add_tail(&fibptr->fiblink, &dev->sync_fib_list); + spin_unlock_irqrestore(&dev->sync_lock, sflags); + } else { + dev->sync_fib = fibptr; + spin_unlock_irqrestore(&dev->sync_lock, sflags); + aac_adapter_sync_cmd(dev, SEND_SYNCHRONOUS_FIB, + (u32)fibptr->hw_fib_pa, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); + } + if (wait) { + fibptr->flags |= FIB_CONTEXT_FLAG_WAIT; + if (down_interruptible(&fibptr->event_wait)) { + fibptr->flags &= ~FIB_CONTEXT_FLAG_WAIT; + return -EFAULT; + } + return 0; + } + return -EINPROGRESS; + } + if (aac_adapter_deliver(fibptr) != 0) { printk(KERN_ERR "aac_fib_send: returned -EBUSY\n"); if (wait) { diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c index 705e13e470a..0d279c445a3 100644 --- a/drivers/scsi/aacraid/linit.c +++ b/drivers/scsi/aacraid/linit.c @@ -56,7 +56,7 @@ #include "aacraid.h" -#define AAC_DRIVER_VERSION "1.1-7" +#define AAC_DRIVER_VERSION "1.2-0" #ifndef AAC_DRIVER_BRANCH #define AAC_DRIVER_BRANCH "" #endif @@ -162,7 +162,10 @@ static const struct pci_device_id aac_pci_tbl[] __devinitdata = { { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */ { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */ { 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */ - { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Catch All */ + { 0x9005, 0x028b, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 62 }, /* Adaptec PMC Series 6 (Tupelo) */ + { 0x9005, 0x028c, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 63 }, /* Adaptec PMC Series 7 (Denali) */ + { 0x9005, 0x028d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 64 }, /* Adaptec PMC Series 8 */ + { 0x9005, 0x028f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 65 }, /* Adaptec PMC Series 9 */ { 0,} }; MODULE_DEVICE_TABLE(pci, aac_pci_tbl); @@ -238,7 +241,10 @@ static struct aac_driver_ident aac_drivers[] = { { aac_rx_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Catch All */ { aac_rkt_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec Rocket Catch All */ { aac_nark_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec NEMER/ARK Catch All */ - { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Catch All */ + { aac_src_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 6 (Tupelo) */ + { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 7 (Denali) */ + { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 }, /* Adaptec PMC Series 8 */ + { aac_srcv_init, "aacraid", "ADAPTEC ", "RAID ", 2 } /* Adaptec PMC Series 9 */ }; /** @@ -1102,6 +1108,7 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, int error = -ENODEV; int unique_id = 0; u64 dmamask; + extern int aac_sync_mode; list_for_each_entry(aac, &aac_devices, entry) { if (aac->id > unique_id) @@ -1162,6 +1169,21 @@ static int __devinit aac_probe_one(struct pci_dev *pdev, if ((*aac_drivers[index].init)(aac)) goto out_unmap; + if (aac->sync_mode) { + if (aac_sync_mode) + printk(KERN_INFO "%s%d: Sync. mode enforced " + "by driver parameter. This will cause " + "a significant performance decrease!\n", + aac->name, + aac->id); + else + printk(KERN_INFO "%s%d: Async. mode not supported " + "by current driver, sync. mode enforced." + "\nPlease update driver to get full performance.\n", + aac->name, + aac->id); + } + /* * Start any kernel threads needed */ diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c index ce530f113fd..b029c7cc785 100644 --- a/drivers/scsi/aacraid/rx.c +++ b/drivers/scsi/aacraid/rx.c @@ -643,6 +643,7 @@ int _aac_rx_init(struct aac_dev *dev) if (aac_init_adapter(dev) == NULL) goto error_iounmap; aac_adapter_comm(dev, dev->comm_interface); + dev->sync_mode = 0; /* sync. mode not supported */ dev->msi = aac_msi && !pci_enable_msi(dev->pdev); if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) { diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c index e5d4457121e..beb533630d4 100644 --- a/drivers/scsi/aacraid/sa.c +++ b/drivers/scsi/aacraid/sa.c @@ -385,6 +385,7 @@ int aac_sa_init(struct aac_dev *dev) if(aac_init_adapter(dev) == NULL) goto error_irq; + dev->sync_mode = 0; /* sync. mode not supported */ if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev ) < 0) { diff --git a/drivers/scsi/aacraid/src.c b/drivers/scsi/aacraid/src.c index 957595a7a45..2bee51506a9 100644 --- a/drivers/scsi/aacraid/src.c +++ b/drivers/scsi/aacraid/src.c @@ -96,6 +96,38 @@ static irqreturn_t aac_src_intr_message(int irq, void *dev_id) our_interrupt = 1; /* handle AIF */ aac_intr_normal(dev, 0, 2, 0, NULL); + } else if (bellbits_shifted & OUTBOUNDDOORBELL_0) { + unsigned long sflags; + struct list_head *entry; + int send_it = 0; + + if (dev->sync_fib) { + our_interrupt = 1; + if (dev->sync_fib->callback) + dev->sync_fib->callback(dev->sync_fib->callback_data, + dev->sync_fib); + spin_lock_irqsave(&dev->sync_fib->event_lock, sflags); + if (dev->sync_fib->flags & FIB_CONTEXT_FLAG_WAIT) { + dev->management_fib_count--; + up(&dev->sync_fib->event_wait); + } + spin_unlock_irqrestore(&dev->sync_fib->event_lock, sflags); + spin_lock_irqsave(&dev->sync_lock, sflags); + if (!list_empty(&dev->sync_fib_list)) { + entry = dev->sync_fib_list.next; + dev->sync_fib = list_entry(entry, struct fib, fiblink); + list_del(entry); + send_it = 1; + } else { + dev->sync_fib = NULL; + } + spin_unlock_irqrestore(&dev->sync_lock, sflags); + if (send_it) { + aac_adapter_sync_cmd(dev, SEND_SYNCHRONOUS_FIB, + (u32)dev->sync_fib->hw_fib_pa, 0, 0, 0, 0, 0, + NULL, NULL, NULL, NULL, NULL); + } + } } } @@ -177,56 +209,63 @@ static int src_sync_cmd(struct aac_dev *dev, u32 command, */ src_writel(dev, MUnit.IDR, INBOUNDDOORBELL_0 << SRC_IDR_SHIFT); - ok = 0; - start = jiffies; + if (!dev->sync_mode || command != SEND_SYNCHRONOUS_FIB) { + ok = 0; + start = jiffies; - /* - * Wait up to 30 seconds - */ - while (time_before(jiffies, start+30*HZ)) { - /* Delay 5 microseconds to let Mon960 get info. */ - udelay(5); - - /* Mon960 will set doorbell0 bit - * when it has completed the command + /* + * Wait up to 5 minutes */ - if ((src_readl(dev, MUnit.ODR_R) >> SRC_ODR_SHIFT) & OUTBOUNDDOORBELL_0) { - /* Clear the doorbell */ - src_writel(dev, - MUnit.ODR_C, - OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); - ok = 1; - break; + while (time_before(jiffies, start+300*HZ)) { + udelay(5); /* Delay 5 microseconds to let Mon960 get info. */ + /* + * Mon960 will set doorbell0 bit when it has completed the command. + */ + if ((src_readl(dev, MUnit.ODR_R) >> SRC_ODR_SHIFT) & OUTBOUNDDOORBELL_0) { + /* + * Clear the doorbell. + */ + src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); + ok = 1; + break; + } + /* + * Yield the processor in case we are slow + */ + msleep(1); } - - /* Yield the processor in case we are slow */ - msleep(1); - } - if (unlikely(ok != 1)) { - /* Restore interrupt mask even though we timed out */ - aac_adapter_enable_int(dev); - return -ETIMEDOUT; + if (unlikely(ok != 1)) { + /* + * Restore interrupt mask even though we timed out + */ + aac_adapter_enable_int(dev); + return -ETIMEDOUT; + } + /* + * Pull the synch status from Mailbox 0. + */ + if (status) + *status = readl(&dev->IndexRegs->Mailbox[0]); + if (r1) + *r1 = readl(&dev->IndexRegs->Mailbox[1]); + if (r2) + *r2 = readl(&dev->IndexRegs->Mailbox[2]); + if (r3) + *r3 = readl(&dev->IndexRegs->Mailbox[3]); + if (r4) + *r4 = readl(&dev->IndexRegs->Mailbox[4]); + + /* + * Clear the synch command doorbell. + */ + src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); } - /* Pull the synch status from Mailbox 0 */ - if (status) - *status = readl(&dev->IndexRegs->Mailbox[0]); - if (r1) - *r1 = readl(&dev->IndexRegs->Mailbox[1]); - if (r2) - *r2 = readl(&dev->IndexRegs->Mailbox[2]); - if (r3) - *r3 = readl(&dev->IndexRegs->Mailbox[3]); - if (r4) - *r4 = readl(&dev->IndexRegs->Mailbox[4]); - - /* Clear the synch command doorbell */ - src_writel(dev, MUnit.ODR_C, OUTBOUNDDOORBELL_0 << SRC_ODR_SHIFT); - - /* Restore interrupt mask */ + /* + * Restore interrupt mask + */ aac_adapter_enable_int(dev); return 0; - } /** @@ -386,9 +425,7 @@ static int aac_src_ioremap(struct aac_dev *dev, u32 size) { if (!size) { iounmap(dev->regs.src.bar0); - dev->regs.src.bar0 = NULL; - iounmap(dev->base); - dev->base = NULL; + dev->base = dev->regs.src.bar0 = NULL; return 0; } dev->regs.src.bar1 = ioremap(pci_resource_start(dev->pdev, 2), @@ -404,7 +441,27 @@ static int aac_src_ioremap(struct aac_dev *dev, u32 size) return -1; } dev->IndexRegs = &((struct src_registers __iomem *) - dev->base)->IndexRegs; + dev->base)->u.tupelo.IndexRegs; + return 0; +} + +/** + * aac_srcv_ioremap + * @size: mapping resize request + * + */ +static int aac_srcv_ioremap(struct aac_dev *dev, u32 size) +{ + if (!size) { + iounmap(dev->regs.src.bar0); + dev->base = dev->regs.src.bar0 = NULL; + return 0; + } + dev->base = dev->regs.src.bar0 = ioremap(dev->scsi_host_ptr->base, size); + if (dev->base == NULL) + return -1; + dev->IndexRegs = &((struct src_registers __iomem *) + dev->base)->u.denali.IndexRegs; return 0; } @@ -419,7 +476,7 @@ static int aac_src_restart_adapter(struct aac_dev *dev, int bled) bled = aac_adapter_sync_cmd(dev, IOP_RESET_ALWAYS, 0, 0, 0, 0, 0, 0, &var, &reset_mask, NULL, NULL, NULL); if (bled || (var != 0x00000001)) - bled = -EINVAL; + return -EINVAL; if (dev->supplement_adapter_info.SupportedOptions2 & AAC_OPTION_DOORBELL_RESET) { src_writel(dev, MUnit.IDR, reset_mask); @@ -579,15 +636,149 @@ int aac_src_init(struct aac_dev *dev) dev->dbg_size = AAC_MIN_SRC_BAR1_SIZE; aac_adapter_enable_int(dev); + + if (!dev->sync_mode) { + /* + * Tell the adapter that all is configured, and it can + * start accepting requests + */ + aac_src_start_adapter(dev); + } + return 0; + +error_iounmap: + + return -1; +} + +/** + * aac_srcv_init - initialize an SRCv card + * @dev: device to configure + * + */ + +int aac_srcv_init(struct aac_dev *dev) +{ + unsigned long start; + unsigned long status; + int restart = 0; + int instance = dev->id; + const char *name = dev->name; + + dev->a_ops.adapter_ioremap = aac_srcv_ioremap; + dev->a_ops.adapter_comm = aac_src_select_comm; + + dev->base_size = AAC_MIN_SRCV_BAR0_SIZE; + if (aac_adapter_ioremap(dev, dev->base_size)) { + printk(KERN_WARNING "%s: unable to map adapter.\n", name); + goto error_iounmap; + } + + /* Failure to reset here is an option ... */ + dev->a_ops.adapter_sync_cmd = src_sync_cmd; + dev->a_ops.adapter_enable_int = aac_src_disable_interrupt; + if ((aac_reset_devices || reset_devices) && + !aac_src_restart_adapter(dev, 0)) + ++restart; /* - * Tell the adapter that all is configured, and it can - * start accepting requests + * Check to see if the board panic'd while booting. */ - aac_src_start_adapter(dev); + status = src_readl(dev, MUnit.OMR); + if (status & KERNEL_PANIC) { + if (aac_src_restart_adapter(dev, aac_src_check_health(dev))) + goto error_iounmap; + ++restart; + } + /* + * Check to see if the board failed any self tests. + */ + status = src_readl(dev, MUnit.OMR); + if (status & SELF_TEST_FAILED) { + printk(KERN_ERR "%s%d: adapter self-test failed.\n", dev->name, instance); + goto error_iounmap; + } + /* + * Check to see if the monitor panic'd while booting. + */ + if (status & MONITOR_PANIC) { + printk(KERN_ERR "%s%d: adapter monitor panic.\n", dev->name, instance); + goto error_iounmap; + } + start = jiffies; + /* + * Wait for the adapter to be up and running. Wait up to 3 minutes + */ + while (!((status = src_readl(dev, MUnit.OMR)) & KERNEL_UP_AND_RUNNING)) { + if ((restart && + (status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC))) || + time_after(jiffies, start+HZ*startup_timeout)) { + printk(KERN_ERR "%s%d: adapter kernel failed to start, init status = %lx.\n", + dev->name, instance, status); + goto error_iounmap; + } + if (!restart && + ((status & (KERNEL_PANIC|SELF_TEST_FAILED|MONITOR_PANIC)) || + time_after(jiffies, start + HZ * + ((startup_timeout > 60) + ? (startup_timeout - 60) + : (startup_timeout / 2))))) { + if (likely(!aac_src_restart_adapter(dev, aac_src_check_health(dev)))) + start = jiffies; + ++restart; + } + msleep(1); + } + if (restart && aac_commit) + aac_commit = 1; + /* + * Fill in the common function dispatch table. + */ + dev->a_ops.adapter_interrupt = aac_src_interrupt_adapter; + dev->a_ops.adapter_disable_int = aac_src_disable_interrupt; + dev->a_ops.adapter_notify = aac_src_notify_adapter; + dev->a_ops.adapter_sync_cmd = src_sync_cmd; + dev->a_ops.adapter_check_health = aac_src_check_health; + dev->a_ops.adapter_restart = aac_src_restart_adapter; + + /* + * First clear out all interrupts. Then enable the one's that we + * can handle. + */ + aac_adapter_comm(dev, AAC_COMM_MESSAGE); + aac_adapter_disable_int(dev); + src_writel(dev, MUnit.ODR_C, 0xffffffff); + aac_adapter_enable_int(dev); + if (aac_init_adapter(dev) == NULL) + goto error_iounmap; + if (dev->comm_interface != AAC_COMM_MESSAGE_TYPE1) + goto error_iounmap; + dev->msi = aac_msi && !pci_enable_msi(dev->pdev); + if (request_irq(dev->pdev->irq, dev->a_ops.adapter_intr, + IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) { + if (dev->msi) + pci_disable_msi(dev->pdev); + printk(KERN_ERR "%s%d: Interrupt unavailable.\n", + name, instance); + goto error_iounmap; + } + dev->dbg_base = dev->scsi_host_ptr->base; + dev->dbg_base_mapped = dev->base; + dev->dbg_size = dev->base_size; + + aac_adapter_enable_int(dev); + + if (!dev->sync_mode) { + /* + * Tell the adapter that all is configured, and it can + * start accepting requests + */ + aac_src_start_adapter(dev); + } return 0; error_iounmap: return -1; } + diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index bfd618a6949..374c4edf4fc 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -41,7 +41,6 @@ #include <linux/firmware.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/dma.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c index f17c92cf808..19a36945e6f 100644 --- a/drivers/scsi/aha152x.c +++ b/drivers/scsi/aha152x.c @@ -239,7 +239,6 @@ #include <asm/irq.h> #include <linux/io.h> #include <linux/blkdev.h> -#include <asm/system.h> #include <linux/completion.h> #include <linux/errno.h> #include <linux/string.h> diff --git a/drivers/scsi/aha1542.c b/drivers/scsi/aha1542.c index ed119cedaae..ede91f37800 100644 --- a/drivers/scsi/aha1542.c +++ b/drivers/scsi/aha1542.c @@ -42,7 +42,6 @@ #include <linux/slab.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include "scsi.h" diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c index 1c10b796c1a..a3e6ed35391 100644 --- a/drivers/scsi/aha1740.c +++ b/drivers/scsi/aha1740.c @@ -53,7 +53,6 @@ #include <linux/gfp.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include "scsi.h" diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c index 7d48700257a..9328121804b 100644 --- a/drivers/scsi/aic7xxx/aic79xx_osm.c +++ b/drivers/scsi/aic7xxx/aic79xx_osm.c @@ -341,10 +341,10 @@ MODULE_PARM_DESC(aic79xx, " (0/256ms,1/128ms,2/64ms,3/32ms)\n" " slowcrc Turn on the SLOWCRC bit (Rev B only)\n" "\n" -" Sample /etc/modprobe.conf line:\n" -" Enable verbose logging\n" -" Set tag depth on Controller 2/Target 2 to 10 tags\n" -" Shorten the selection timeout to 128ms\n" +" Sample modprobe configuration file:\n" +" # Enable verbose logging\n" +" # Set tag depth on Controller 2/Target 2 to 10 tags\n" +" # Shorten the selection timeout to 128ms\n" "\n" " options aic79xx 'aic79xx=verbose.tag_info:{{}.{}.{..10}}.seltime:1'\n" ); diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c index c6251bb4f43..5a477cdc780 100644 --- a/drivers/scsi/aic7xxx/aic7xxx_osm.c +++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c @@ -360,10 +360,10 @@ MODULE_PARM_DESC(aic7xxx, " seltime:<int> Selection Timeout\n" " (0/256ms,1/128ms,2/64ms,3/32ms)\n" "\n" -" Sample /etc/modprobe.conf line:\n" -" Toggle EISA/VLB probing\n" -" Set tag depth on Controller 1/Target 1 to 10 tags\n" -" Shorten the selection timeout to 128ms\n" +" Sample modprobe configuration file:\n" +" # Toggle EISA/VLB probing\n" +" # Set tag depth on Controller 1/Target 1 to 10 tags\n" +" # Shorten the selection timeout to 128ms\n" "\n" " options aic7xxx 'aic7xxx=probe_eisa_vl.tag_info:{{}.{.10}}.seltime:1'\n" ); diff --git a/drivers/scsi/aic94xx/aic94xx.h b/drivers/scsi/aic94xx/aic94xx.h index 2863a9d2285..66cda669b41 100644 --- a/drivers/scsi/aic94xx/aic94xx.h +++ b/drivers/scsi/aic94xx/aic94xx.h @@ -80,6 +80,8 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id); int asd_execute_task(struct sas_task *, int num, gfp_t gfp_flags); +void asd_set_dmamode(struct domain_device *dev); + /* ---------- TMFs ---------- */ int asd_abort_task(struct sas_task *); int asd_abort_task_set(struct domain_device *, u8 *lun); diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c index 2e2ddec9c0b..64136c56e70 100644 --- a/drivers/scsi/aic94xx/aic94xx_dev.c +++ b/drivers/scsi/aic94xx/aic94xx_dev.c @@ -109,26 +109,37 @@ static int asd_init_sata_tag_ddb(struct domain_device *dev) return 0; } -static int asd_init_sata(struct domain_device *dev) +void asd_set_dmamode(struct domain_device *dev) { struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha; + struct ata_device *ata_dev = sas_to_ata_dev(dev); int ddb = (int) (unsigned long) dev->lldd_dev; u32 qdepth = 0; - int res = 0; - asd_ddbsite_write_word(asd_ha, ddb, ATA_CMD_SCBPTR, 0xFFFF); - if ((dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM_PORT) && - dev->sata_dev.identify_device && - dev->sata_dev.identify_device[10] != 0) { - u16 w75 = le16_to_cpu(dev->sata_dev.identify_device[75]); - u16 w76 = le16_to_cpu(dev->sata_dev.identify_device[76]); - - if (w76 & 0x100) /* NCQ? */ - qdepth = (w75 & 0x1F) + 1; + if (dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM_PORT) { + if (ata_id_has_ncq(ata_dev->id)) + qdepth = ata_id_queue_depth(ata_dev->id); asd_ddbsite_write_dword(asd_ha, ddb, SATA_TAG_ALLOC_MASK, (1ULL<<qdepth)-1); asd_ddbsite_write_byte(asd_ha, ddb, NUM_SATA_TAGS, qdepth); } + + if (qdepth > 0) + if (asd_init_sata_tag_ddb(dev) != 0) { + unsigned long flags; + + spin_lock_irqsave(dev->sata_dev.ap->lock, flags); + ata_dev->flags |= ATA_DFLAG_NCQ_OFF; + spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags); + } +} + +static int asd_init_sata(struct domain_device *dev) +{ + struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha; + int ddb = (int) (unsigned long) dev->lldd_dev; + + asd_ddbsite_write_word(asd_ha, ddb, ATA_CMD_SCBPTR, 0xFFFF); if (dev->dev_type == SATA_DEV || dev->dev_type == SATA_PM || dev->dev_type == SATA_PM_PORT) { struct dev_to_host_fis *fis = (struct dev_to_host_fis *) @@ -136,9 +147,8 @@ static int asd_init_sata(struct domain_device *dev) asd_ddbsite_write_byte(asd_ha, ddb, SATA_STATUS, fis->status); } asd_ddbsite_write_word(asd_ha, ddb, NCQ_DATA_SCB_PTR, 0xFFFF); - if (qdepth > 0) - res = asd_init_sata_tag_ddb(dev); - return res; + + return 0; } static int asd_init_target_ddb(struct domain_device *dev) diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c index d5ff142c93a..ff80552ead8 100644 --- a/drivers/scsi/aic94xx/aic94xx_init.c +++ b/drivers/scsi/aic94xx/aic94xx_init.c @@ -68,7 +68,6 @@ static struct scsi_host_template aic94xx_sht = { .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, - .slave_destroy = sas_slave_destroy, .scan_finished = asd_scan_finished, .scan_start = asd_scan_start, .change_queue_depth = sas_change_queue_depth, @@ -82,7 +81,6 @@ static struct scsi_host_template aic94xx_sht = { .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_bus_reset_handler = sas_eh_bus_reset_handler, - .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, }; @@ -972,7 +970,7 @@ static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time) if (time < HZ) return 0; /* Wait for discovery to finish */ - scsi_flush_work(shost); + sas_drain_work(SHOST_TO_SAS_HA(shost)); return 1; } @@ -1010,6 +1008,8 @@ static struct sas_domain_function_template aic94xx_transport_functions = { .lldd_clear_nexus_ha = asd_clear_nexus_ha, .lldd_control_phy = asd_control_phy, + + .lldd_ata_set_dmamode = asd_set_dmamode, }; static const struct pci_device_id aic94xx_pci_table[] __devinitdata = { diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c index 0add73bdf2a..cf9040933da 100644 --- a/drivers/scsi/aic94xx/aic94xx_tmf.c +++ b/drivers/scsi/aic94xx/aic94xx_tmf.c @@ -181,7 +181,7 @@ static int asd_clear_nexus_I_T(struct domain_device *dev, int asd_I_T_nexus_reset(struct domain_device *dev) { int res, tmp_res, i; - struct sas_phy *phy = sas_find_local_phy(dev); + struct sas_phy *phy = sas_get_local_phy(dev); /* Standard mandates link reset for ATA (type 0) and * hard reset for SSP (type 1) */ int reset_type = (dev->dev_type == SATA_DEV || @@ -192,7 +192,7 @@ int asd_I_T_nexus_reset(struct domain_device *dev) ASD_DPRINTK("sending %s reset to %s\n", reset_type ? "hard" : "soft", dev_name(&phy->dev)); res = sas_phy_reset(phy, reset_type); - if (res == TMF_RESP_FUNC_COMPLETE) { + if (res == TMF_RESP_FUNC_COMPLETE || res == -ENODEV) { /* wait for the maximum settle time */ msleep(500); /* clear all outstanding commands (keep nexus suspended) */ @@ -201,7 +201,7 @@ int asd_I_T_nexus_reset(struct domain_device *dev) for (i = 0 ; i < 3; i++) { tmp_res = asd_clear_nexus_I_T(dev, NEXUS_PHASE_RESUME); if (tmp_res == TC_RESUME) - return res; + goto out; msleep(500); } @@ -211,7 +211,10 @@ int asd_I_T_nexus_reset(struct domain_device *dev) dev_printk(KERN_ERR, &phy->dev, "Failed to resume nexus after reset 0x%x\n", tmp_res); - return TMF_RESP_FUNC_FAILED; + res = TMF_RESP_FUNC_FAILED; + out: + sas_put_local_phy(phy); + return res; } static int asd_clear_nexus_I_T_L(struct domain_device *dev, u8 *lun) diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index f980600f78a..cbde1dca45a 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -61,7 +61,6 @@ #include <linux/aer.h> #include <asm/dma.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/uaccess.h> #include <scsi/scsi_host.h> #include <scsi/scsi.h> @@ -1736,7 +1735,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, (uint32_t ) cmd->cmnd[8]; /* 4 bytes: Areca io control code */ sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg)) + sg->offset; if (scsi_sg_count(cmd) > 1) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; @@ -1985,7 +1984,7 @@ static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, } message_out: sg = scsi_sglist(cmd); - kunmap_atomic(buffer - sg->offset, KM_IRQ0); + kunmap_atomic(buffer - sg->offset); return retvalue; } @@ -2035,11 +2034,11 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, strncpy(&inqdata[32], "R001", 4); /* Product Revision */ sg = scsi_sglist(cmd); - buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg)) + sg->offset; memcpy(buffer, inqdata, sizeof(inqdata)); sg = scsi_sglist(cmd); - kunmap_atomic(buffer - sg->offset, KM_IRQ0); + kunmap_atomic(buffer - sg->offset); cmd->scsi_done(cmd); } diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c index c454e44cf51..b330438ac66 100644 --- a/drivers/scsi/arm/acornscsi.c +++ b/drivers/scsi/arm/acornscsi.c @@ -138,7 +138,6 @@ #include <linux/stringify.h> #include <linux/io.h> -#include <asm/system.h> #include <asm/ecard.h> #include "../scsi.h" diff --git a/drivers/scsi/arm/arxescsi.c b/drivers/scsi/arm/arxescsi.c index a750aa72b8e..2a28b4ad197 100644 --- a/drivers/scsi/arm/arxescsi.c +++ b/drivers/scsi/arm/arxescsi.c @@ -305,7 +305,7 @@ arxescsi_probe(struct expansion_card *ec, const struct ecard_id *id) info->base = base; info->info.scsi.io_base = base + 0x2000; - info->info.scsi.irq = NO_IRQ; + info->info.scsi.irq = 0; info->info.scsi.dma = NO_DMA; info->info.scsi.io_shift = 5; info->info.ifcfg.clockrate = 24; /* MHz */ diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c index a3398fe70a9..c3b99c93637 100644 --- a/drivers/scsi/arm/cumana_1.c +++ b/drivers/scsi/arm/cumana_1.c @@ -12,7 +12,6 @@ #include <asm/ecard.h> #include <asm/io.h> -#include <asm/system.h> #include "../scsi.h" #include <scsi/scsi_host.h> diff --git a/drivers/scsi/arm/fas216.c b/drivers/scsi/arm/fas216.c index e85c40b6e19..6206a666a8e 100644 --- a/drivers/scsi/arm/fas216.c +++ b/drivers/scsi/arm/fas216.c @@ -2176,7 +2176,7 @@ static void fas216_done(FAS216_Info *info, unsigned int result) fn = (void (*)(FAS216_Info *, struct scsi_cmnd *, unsigned int))SCpnt->host_scribble; fn(info, SCpnt, result); - if (info->scsi.irq != NO_IRQ) { + if (info->scsi.irq) { spin_lock_irqsave(&info->host_lock, flags); if (info->scsi.phase == PHASE_IDLE) fas216_kick(info); @@ -2276,7 +2276,7 @@ static int fas216_noqueue_command_lck(struct scsi_cmnd *SCpnt, * We should only be using this if we don't have an interrupt. * Provide some "incentive" to use the queueing code. */ - BUG_ON(info->scsi.irq != NO_IRQ); + BUG_ON(info->scsi.irq); info->internal_done = 0; fas216_queue_command_lck(SCpnt, fas216_internal_done); diff --git a/drivers/scsi/arm/fas216.h b/drivers/scsi/arm/fas216.h index 84b7127c012..df2e1b3ddfe 100644 --- a/drivers/scsi/arm/fas216.h +++ b/drivers/scsi/arm/fas216.h @@ -12,10 +12,6 @@ #ifndef FAS216_H #define FAS216_H -#ifndef NO_IRQ -#define NO_IRQ 255 -#endif - #include <scsi/scsi_eh.h> #include "queue.h" diff --git a/drivers/scsi/arm/oak.c b/drivers/scsi/arm/oak.c index 849cdf89f7b..d25f944b59c 100644 --- a/drivers/scsi/arm/oak.c +++ b/drivers/scsi/arm/oak.c @@ -13,7 +13,6 @@ #include <asm/ecard.h> #include <asm/io.h> -#include <asm/system.h> #include "../scsi.h" #include <scsi/scsi_host.h> diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 7e6eca4a125..68ce08552f6 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -30,7 +30,6 @@ #include <linux/blkdev.h> #include <linux/dma-mapping.h> #include <linux/slab.h> -#include <asm/system.h> #include <asm/io.h> #include <scsi/scsi.h> @@ -2583,7 +2582,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) * this than via the PCI device table */ if (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610) { - error = pci_read_config_byte(pdev, PCI_CLASS_REVISION, &atpdev->chip_ver); + atpdev->chip_ver = pdev->revision; if (atpdev->chip_ver < 2) goto err_eio; } @@ -2602,7 +2601,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) base_io &= 0xfffffff8; if ((ent->device == ATP880_DEVID1)||(ent->device == ATP880_DEVID2)) { - error = pci_read_config_byte(pdev, PCI_CLASS_REVISION, &atpdev->chip_ver); + atpdev->chip_ver = pdev->revision; pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x80);//JCC082803 host_id = inb(base_io + 0x39); diff --git a/drivers/scsi/bfa/bfa.h b/drivers/scsi/bfa/bfa.h index a796de93505..4ad7e368bbc 100644 --- a/drivers/scsi/bfa/bfa.h +++ b/drivers/scsi/bfa/bfa.h @@ -225,9 +225,9 @@ struct bfa_faa_args_s { }; struct bfa_iocfc_s { + bfa_fsm_t fsm; struct bfa_s *bfa; struct bfa_iocfc_cfg_s cfg; - int action; u32 req_cq_pi[BFI_IOC_MAX_CQS]; u32 rsp_cq_ci[BFI_IOC_MAX_CQS]; u8 hw_qid[BFI_IOC_MAX_CQS]; @@ -236,7 +236,9 @@ struct bfa_iocfc_s { struct bfa_cb_qe_s dis_hcb_qe; struct bfa_cb_qe_s en_hcb_qe; struct bfa_cb_qe_s stats_hcb_qe; - bfa_boolean_t cfgdone; + bfa_boolean_t submod_enabled; + bfa_boolean_t cb_reqd; /* Driver call back reqd */ + bfa_status_t op_status; /* Status of bfa iocfc op */ struct bfa_dma_s cfg_info; struct bfi_iocfc_cfg_s *cfginfo; @@ -341,8 +343,6 @@ void bfa_hwct_msix_getvecs(struct bfa_s *bfa, u32 *vecmap, u32 *nvecs, void bfa_hwct_msix_get_rme_range(struct bfa_s *bfa, u32 *start, u32 *end); void bfa_iocfc_get_bootwwns(struct bfa_s *bfa, u8 *nwwns, wwn_t *wwns); -wwn_t bfa_iocfc_get_pwwn(struct bfa_s *bfa); -wwn_t bfa_iocfc_get_nwwn(struct bfa_s *bfa); int bfa_iocfc_get_pbc_vports(struct bfa_s *bfa, struct bfi_pbc_vport_s *pbc_vport); @@ -428,7 +428,6 @@ bfa_status_t bfa_iocfc_israttr_set(struct bfa_s *bfa, void bfa_iocfc_enable(struct bfa_s *bfa); void bfa_iocfc_disable(struct bfa_s *bfa); -void bfa_iocfc_cb_dconf_modinit(struct bfa_s *bfa, bfa_status_t status); #define bfa_timer_start(_bfa, _timer, _timercb, _arg, _timeout) \ bfa_timer_begin(&(_bfa)->timer_mod, _timer, _timercb, _arg, _timeout) diff --git a/drivers/scsi/bfa/bfa_core.c b/drivers/scsi/bfa/bfa_core.c index 4bd546bcc24..456e5762977 100644 --- a/drivers/scsi/bfa/bfa_core.c +++ b/drivers/scsi/bfa/bfa_core.c @@ -200,13 +200,431 @@ enum { #define DEF_CFG_NUM_SBOOT_LUNS 16 /* + * IOCFC state machine definitions/declarations + */ +bfa_fsm_state_decl(bfa_iocfc, stopped, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, initing, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, dconf_read, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, init_cfg_wait, + struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, init_cfg_done, + struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, operational, + struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, dconf_write, + struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, stopping, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, enabling, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, cfg_wait, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, disabling, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, disabled, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, failed, struct bfa_iocfc_s, enum iocfc_event); +bfa_fsm_state_decl(bfa_iocfc, init_failed, + struct bfa_iocfc_s, enum iocfc_event); + +/* * forward declaration for IOC FC functions */ +static void bfa_iocfc_start_submod(struct bfa_s *bfa); +static void bfa_iocfc_disable_submod(struct bfa_s *bfa); +static void bfa_iocfc_send_cfg(void *bfa_arg); static void bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status); static void bfa_iocfc_disable_cbfn(void *bfa_arg); static void bfa_iocfc_hbfail_cbfn(void *bfa_arg); static void bfa_iocfc_reset_cbfn(void *bfa_arg); static struct bfa_ioc_cbfn_s bfa_iocfc_cbfn; +static void bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete); +static void bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl); +static void bfa_iocfc_enable_cb(void *bfa_arg, bfa_boolean_t compl); +static void bfa_iocfc_disable_cb(void *bfa_arg, bfa_boolean_t compl); + +static void +bfa_iocfc_sm_stopped_entry(struct bfa_iocfc_s *iocfc) +{ +} + +static void +bfa_iocfc_sm_stopped(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_INIT: + case IOCFC_E_ENABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_initing); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_initing_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_ioc_enable(&iocfc->bfa->ioc); +} + +static void +bfa_iocfc_sm_initing(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_IOC_ENABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_dconf_read_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_dconf_modinit(iocfc->bfa); +} + +static void +bfa_iocfc_sm_dconf_read(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_DCONF_DONE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_wait); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_init_cfg_wait_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_iocfc_send_cfg(iocfc->bfa); +} + +static void +bfa_iocfc_sm_init_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_CFG_DONE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_cfg_done); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_init_failed); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_init_cfg_done_entry(struct bfa_iocfc_s *iocfc) +{ + iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe, + bfa_iocfc_init_cb, iocfc->bfa); +} + +static void +bfa_iocfc_sm_init_cfg_done(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_START: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational); + break; + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_operational_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_fcport_init(iocfc->bfa); + bfa_iocfc_start_submod(iocfc->bfa); +} + +static void +bfa_iocfc_sm_operational(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); + break; + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_dconf_write_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_dconf_modexit(iocfc->bfa); +} + +static void +bfa_iocfc_sm_dconf_write(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_DCONF_DONE: + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_stopping_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_ioc_disable(&iocfc->bfa->ioc); +} + +static void +bfa_iocfc_sm_stopping(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_IOC_DISABLED: + bfa_isr_disable(iocfc->bfa); + bfa_iocfc_disable_submod(iocfc->bfa); + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped); + iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.stop_hcb_qe, + bfa_iocfc_stop_cb, iocfc->bfa); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_enabling_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_ioc_enable(&iocfc->bfa->ioc); +} + +static void +bfa_iocfc_sm_enabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_IOC_ENABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait); + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); + + if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) + break; + + iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, + bfa_iocfc_enable_cb, iocfc->bfa); + iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_cfg_wait_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_iocfc_send_cfg(iocfc->bfa); +} + +static void +bfa_iocfc_sm_cfg_wait(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_CFG_DONE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_operational); + if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) + break; + + iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, + bfa_iocfc_enable_cb, iocfc->bfa); + iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; + break; + case IOCFC_E_IOC_FAILED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_failed); + if (iocfc->bfa->iocfc.cb_reqd == BFA_FALSE) + break; + + iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.en_hcb_qe, + bfa_iocfc_enable_cb, iocfc->bfa); + iocfc->bfa->iocfc.cb_reqd = BFA_FALSE; + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_disabling_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_ioc_disable(&iocfc->bfa->ioc); +} + +static void +bfa_iocfc_sm_disabling(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_IOC_DISABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabled); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_disabled_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_isr_disable(iocfc->bfa); + bfa_iocfc_disable_submod(iocfc->bfa); + iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe, + bfa_iocfc_disable_cb, iocfc->bfa); +} + +static void +bfa_iocfc_sm_disabled(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); + break; + case IOCFC_E_ENABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_enabling); + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_failed_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_isr_disable(iocfc->bfa); + bfa_iocfc_disable_submod(iocfc->bfa); +} + +static void +bfa_iocfc_sm_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_write); + break; + case IOCFC_E_DISABLE: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_disabling); + break; + case IOCFC_E_IOC_ENABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_cfg_wait); + break; + case IOCFC_E_IOC_FAILED: + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} + +static void +bfa_iocfc_sm_init_failed_entry(struct bfa_iocfc_s *iocfc) +{ + bfa_isr_disable(iocfc->bfa); + iocfc->bfa->iocfc.op_status = BFA_STATUS_FAILED; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.init_hcb_qe, + bfa_iocfc_init_cb, iocfc->bfa); +} + +static void +bfa_iocfc_sm_init_failed(struct bfa_iocfc_s *iocfc, enum iocfc_event event) +{ + bfa_trc(iocfc->bfa, event); + + switch (event) { + case IOCFC_E_STOP: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopping); + break; + case IOCFC_E_DISABLE: + bfa_ioc_disable(&iocfc->bfa->ioc); + break; + case IOCFC_E_IOC_ENABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_dconf_read); + break; + case IOCFC_E_IOC_DISABLED: + bfa_fsm_set_state(iocfc, bfa_iocfc_sm_stopped); + iocfc->bfa->iocfc.op_status = BFA_STATUS_OK; + bfa_cb_queue(iocfc->bfa, &iocfc->bfa->iocfc.dis_hcb_qe, + bfa_iocfc_disable_cb, iocfc->bfa); + break; + case IOCFC_E_IOC_FAILED: + break; + default: + bfa_sm_fault(iocfc->bfa, event); + break; + } +} /* * BFA Interrupt handling functions @@ -231,16 +649,19 @@ bfa_reqq_resume(struct bfa_s *bfa, int qid) } } -static inline void +bfa_boolean_t bfa_isr_rspq(struct bfa_s *bfa, int qid) { struct bfi_msg_s *m; u32 pi, ci; struct list_head *waitq; + bfa_boolean_t ret; ci = bfa_rspq_ci(bfa, qid); pi = bfa_rspq_pi(bfa, qid); + ret = (ci != pi); + while (ci != pi) { m = bfa_rspq_elem(bfa, qid, ci); WARN_ON(m->mhdr.msg_class >= BFI_MC_MAX); @@ -260,6 +681,8 @@ bfa_isr_rspq(struct bfa_s *bfa, int qid) waitq = bfa_reqq(bfa, qid); if (!list_empty(waitq)) bfa_reqq_resume(bfa, qid); + + return ret; } static inline void @@ -320,6 +743,7 @@ bfa_intx(struct bfa_s *bfa) { u32 intr, qintr; int queue; + bfa_boolean_t rspq_comp = BFA_FALSE; intr = readl(bfa->iocfc.bfa_regs.intr_status); @@ -332,11 +756,12 @@ bfa_intx(struct bfa_s *bfa) */ if (bfa->queue_process) { for (queue = 0; queue < BFI_IOC_MAX_CQS; queue++) - bfa_isr_rspq(bfa, queue); + if (bfa_isr_rspq(bfa, queue)) + rspq_comp = BFA_TRUE; } if (!intr) - return BFA_TRUE; + return (qintr | rspq_comp) ? BFA_TRUE : BFA_FALSE; /* * CPE completion queue interrupt @@ -525,11 +950,9 @@ bfa_iocfc_send_cfg(void *bfa_arg) * Enable interrupt coalescing if it is driver init path * and not ioc disable/enable path. */ - if (!iocfc->cfgdone) + if (bfa_fsm_cmp_state(iocfc, bfa_iocfc_sm_init_cfg_wait)) cfg_info->intr_attr.coalesce = BFA_TRUE; - iocfc->cfgdone = BFA_FALSE; - /* * dma map IOC configuration itself */ @@ -549,8 +972,6 @@ bfa_iocfc_init_mem(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, bfa->bfad = bfad; iocfc->bfa = bfa; - iocfc->action = BFA_IOCFC_ACT_NONE; - iocfc->cfg = *cfg; /* @@ -683,6 +1104,8 @@ bfa_iocfc_start_submod(struct bfa_s *bfa) for (i = 0; hal_mods[i]; i++) hal_mods[i]->start(bfa); + + bfa->iocfc.submod_enabled = BFA_TRUE; } /* @@ -693,8 +1116,13 @@ bfa_iocfc_disable_submod(struct bfa_s *bfa) { int i; + if (bfa->iocfc.submod_enabled == BFA_FALSE) + return; + for (i = 0; hal_mods[i]; i++) hal_mods[i]->iocdisable(bfa); + + bfa->iocfc.submod_enabled = BFA_FALSE; } static void @@ -702,15 +1130,8 @@ bfa_iocfc_init_cb(void *bfa_arg, bfa_boolean_t complete) { struct bfa_s *bfa = bfa_arg; - if (complete) { - if (bfa->iocfc.cfgdone && BFA_DCONF_MOD(bfa)->flashdone) - bfa_cb_init(bfa->bfad, BFA_STATUS_OK); - else - bfa_cb_init(bfa->bfad, BFA_STATUS_FAILED); - } else { - if (bfa->iocfc.cfgdone) - bfa->iocfc.action = BFA_IOCFC_ACT_NONE; - } + if (complete) + bfa_cb_init(bfa->bfad, bfa->iocfc.op_status); } static void @@ -721,8 +1142,6 @@ bfa_iocfc_stop_cb(void *bfa_arg, bfa_boolean_t compl) if (compl) complete(&bfad->comp); - else - bfa->iocfc.action = BFA_IOCFC_ACT_NONE; } static void @@ -794,8 +1213,6 @@ bfa_iocfc_cfgrsp(struct bfa_s *bfa) fwcfg->num_uf_bufs = be16_to_cpu(fwcfg->num_uf_bufs); fwcfg->num_rports = be16_to_cpu(fwcfg->num_rports); - iocfc->cfgdone = BFA_TRUE; - /* * configure queue register offsets as learnt from firmware */ @@ -811,22 +1228,13 @@ bfa_iocfc_cfgrsp(struct bfa_s *bfa) */ bfa_msix_queue_install(bfa); - /* - * Configuration is complete - initialize/start submodules - */ - bfa_fcport_init(bfa); - - if (iocfc->action == BFA_IOCFC_ACT_INIT) { - if (BFA_DCONF_MOD(bfa)->flashdone == BFA_TRUE) - bfa_cb_queue(bfa, &iocfc->init_hcb_qe, - bfa_iocfc_init_cb, bfa); - } else { - if (bfa->iocfc.action == BFA_IOCFC_ACT_ENABLE) - bfa_cb_queue(bfa, &bfa->iocfc.en_hcb_qe, - bfa_iocfc_enable_cb, bfa); - bfa_iocfc_start_submod(bfa); + if (bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn != 0) { + bfa->ioc.attr->pwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_pwwn; + bfa->ioc.attr->nwwn = bfa->iocfc.cfgrsp->pbc_cfg.pbc_nwwn; + bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE); } } + void bfa_iocfc_reset_queues(struct bfa_s *bfa) { @@ -840,6 +1248,23 @@ bfa_iocfc_reset_queues(struct bfa_s *bfa) } } +/* + * Process FAA pwwn msg from fw. + */ +static void +bfa_iocfc_process_faa_addr(struct bfa_s *bfa, struct bfi_faa_addr_msg_s *msg) +{ + struct bfa_iocfc_s *iocfc = &bfa->iocfc; + struct bfi_iocfc_cfgrsp_s *cfgrsp = iocfc->cfgrsp; + + cfgrsp->pbc_cfg.pbc_pwwn = msg->pwwn; + cfgrsp->pbc_cfg.pbc_nwwn = msg->nwwn; + + bfa->ioc.attr->pwwn = msg->pwwn; + bfa->ioc.attr->nwwn = msg->nwwn; + bfa_fsm_send_event(iocfc, IOCFC_E_CFG_DONE); +} + /* Fabric Assigned Address specific functions */ /* @@ -855,84 +1280,13 @@ bfa_faa_validate_request(struct bfa_s *bfa) if ((ioc_type != BFA_IOC_TYPE_FC) || bfa_mfg_is_mezz(card_type)) return BFA_STATUS_FEATURE_NOT_SUPPORTED; } else { - if (!bfa_ioc_is_acq_addr(&bfa->ioc)) - return BFA_STATUS_IOC_NON_OP; + return BFA_STATUS_IOC_NON_OP; } return BFA_STATUS_OK; } bfa_status_t -bfa_faa_enable(struct bfa_s *bfa, bfa_cb_iocfc_t cbfn, void *cbarg) -{ - struct bfi_faa_en_dis_s faa_enable_req; - struct bfa_iocfc_s *iocfc = &bfa->iocfc; - bfa_status_t status; - - iocfc->faa_args.faa_cb.faa_cbfn = cbfn; - iocfc->faa_args.faa_cb.faa_cbarg = cbarg; - - status = bfa_faa_validate_request(bfa); - if (status != BFA_STATUS_OK) - return status; - - if (iocfc->faa_args.busy == BFA_TRUE) - return BFA_STATUS_DEVBUSY; - - if (iocfc->faa_args.faa_state == BFA_FAA_ENABLED) - return BFA_STATUS_FAA_ENABLED; - - if (bfa_fcport_is_trunk_enabled(bfa)) - return BFA_STATUS_ERROR_TRUNK_ENABLED; - - bfa_fcport_cfg_faa(bfa, BFA_FAA_ENABLED); - iocfc->faa_args.busy = BFA_TRUE; - - memset(&faa_enable_req, 0, sizeof(struct bfi_faa_en_dis_s)); - bfi_h2i_set(faa_enable_req.mh, BFI_MC_IOCFC, - BFI_IOCFC_H2I_FAA_ENABLE_REQ, bfa_fn_lpu(bfa)); - - bfa_ioc_mbox_send(&bfa->ioc, &faa_enable_req, - sizeof(struct bfi_faa_en_dis_s)); - - return BFA_STATUS_OK; -} - -bfa_status_t -bfa_faa_disable(struct bfa_s *bfa, bfa_cb_iocfc_t cbfn, - void *cbarg) -{ - struct bfi_faa_en_dis_s faa_disable_req; - struct bfa_iocfc_s *iocfc = &bfa->iocfc; - bfa_status_t status; - - iocfc->faa_args.faa_cb.faa_cbfn = cbfn; - iocfc->faa_args.faa_cb.faa_cbarg = cbarg; - - status = bfa_faa_validate_request(bfa); - if (status != BFA_STATUS_OK) - return status; - - if (iocfc->faa_args.busy == BFA_TRUE) - return BFA_STATUS_DEVBUSY; - - if (iocfc->faa_args.faa_state == BFA_FAA_DISABLED) - return BFA_STATUS_FAA_DISABLED; - - bfa_fcport_cfg_faa(bfa, BFA_FAA_DISABLED); - iocfc->faa_args.busy = BFA_TRUE; - - memset(&faa_disable_req, 0, sizeof(struct bfi_faa_en_dis_s)); - bfi_h2i_set(faa_disable_req.mh, BFI_MC_IOCFC, - BFI_IOCFC_H2I_FAA_DISABLE_REQ, bfa_fn_lpu(bfa)); - - bfa_ioc_mbox_send(&bfa->ioc, &faa_disable_req, - sizeof(struct bfi_faa_en_dis_s)); - - return BFA_STATUS_OK; -} - -bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, bfa_cb_iocfc_t cbfn, void *cbarg) { @@ -963,38 +1317,6 @@ bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, } /* - * FAA enable response - */ -static void -bfa_faa_enable_reply(struct bfa_iocfc_s *iocfc, - struct bfi_faa_en_dis_rsp_s *rsp) -{ - void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg; - bfa_status_t status = rsp->status; - - WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn); - - iocfc->faa_args.faa_cb.faa_cbfn(cbarg, status); - iocfc->faa_args.busy = BFA_FALSE; -} - -/* - * FAA disable response - */ -static void -bfa_faa_disable_reply(struct bfa_iocfc_s *iocfc, - struct bfi_faa_en_dis_rsp_s *rsp) -{ - void *cbarg = iocfc->faa_args.faa_cb.faa_cbarg; - bfa_status_t status = rsp->status; - - WARN_ON(!iocfc->faa_args.faa_cb.faa_cbfn); - - iocfc->faa_args.faa_cb.faa_cbfn(cbarg, status); - iocfc->faa_args.busy = BFA_FALSE; -} - -/* * FAA query response */ static void @@ -1023,25 +1345,10 @@ bfa_iocfc_enable_cbfn(void *bfa_arg, enum bfa_status status) { struct bfa_s *bfa = bfa_arg; - if (status == BFA_STATUS_FAA_ACQ_ADDR) { - bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, - bfa_iocfc_init_cb, bfa); - return; - } - - if (status != BFA_STATUS_OK) { - bfa_isr_disable(bfa); - if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) - bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, - bfa_iocfc_init_cb, bfa); - else if (bfa->iocfc.action == BFA_IOCFC_ACT_ENABLE) - bfa_cb_queue(bfa, &bfa->iocfc.en_hcb_qe, - bfa_iocfc_enable_cb, bfa); - return; - } - - bfa_iocfc_send_cfg(bfa); - bfa_dconf_modinit(bfa); + if (status == BFA_STATUS_OK) + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_ENABLED); + else + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED); } /* @@ -1052,17 +1359,7 @@ bfa_iocfc_disable_cbfn(void *bfa_arg) { struct bfa_s *bfa = bfa_arg; - bfa_isr_disable(bfa); - bfa_iocfc_disable_submod(bfa); - - if (bfa->iocfc.action == BFA_IOCFC_ACT_STOP) - bfa_cb_queue(bfa, &bfa->iocfc.stop_hcb_qe, bfa_iocfc_stop_cb, - bfa); - else { - WARN_ON(bfa->iocfc.action != BFA_IOCFC_ACT_DISABLE); - bfa_cb_queue(bfa, &bfa->iocfc.dis_hcb_qe, bfa_iocfc_disable_cb, - bfa); - } + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_DISABLED); } /* @@ -1074,13 +1371,7 @@ bfa_iocfc_hbfail_cbfn(void *bfa_arg) struct bfa_s *bfa = bfa_arg; bfa->queue_process = BFA_FALSE; - - bfa_isr_disable(bfa); - bfa_iocfc_disable_submod(bfa); - - if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) - bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, bfa_iocfc_init_cb, - bfa); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_IOC_FAILED); } /* @@ -1095,7 +1386,6 @@ bfa_iocfc_reset_cbfn(void *bfa_arg) bfa_isr_enable(bfa); } - /* * Query IOC memory requirement information. */ @@ -1171,6 +1461,12 @@ bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, INIT_LIST_HEAD(&bfa->comp_q); for (i = 0; i < BFI_IOC_MAX_CQS; i++) INIT_LIST_HEAD(&bfa->reqq_waitq[i]); + + bfa->iocfc.cb_reqd = BFA_FALSE; + bfa->iocfc.op_status = BFA_STATUS_OK; + bfa->iocfc.submod_enabled = BFA_FALSE; + + bfa_fsm_set_state(&bfa->iocfc, bfa_iocfc_sm_stopped); } /* @@ -1179,8 +1475,7 @@ bfa_iocfc_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, void bfa_iocfc_init(struct bfa_s *bfa) { - bfa->iocfc.action = BFA_IOCFC_ACT_INIT; - bfa_ioc_enable(&bfa->ioc); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_INIT); } /* @@ -1190,8 +1485,7 @@ bfa_iocfc_init(struct bfa_s *bfa) void bfa_iocfc_start(struct bfa_s *bfa) { - if (bfa->iocfc.cfgdone) - bfa_iocfc_start_submod(bfa); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_START); } /* @@ -1201,12 +1495,8 @@ bfa_iocfc_start(struct bfa_s *bfa) void bfa_iocfc_stop(struct bfa_s *bfa) { - bfa->iocfc.action = BFA_IOCFC_ACT_STOP; - bfa->queue_process = BFA_FALSE; - bfa_dconf_modexit(bfa); - if (BFA_DCONF_MOD(bfa)->flashdone == BFA_TRUE) - bfa_ioc_disable(&bfa->ioc); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_STOP); } void @@ -1226,13 +1516,9 @@ bfa_iocfc_isr(void *bfaarg, struct bfi_mbmsg_s *m) case BFI_IOCFC_I2H_UPDATEQ_RSP: iocfc->updateq_cbfn(iocfc->updateq_cbarg, BFA_STATUS_OK); break; - case BFI_IOCFC_I2H_FAA_ENABLE_RSP: - bfa_faa_enable_reply(iocfc, - (struct bfi_faa_en_dis_rsp_s *)msg); - break; - case BFI_IOCFC_I2H_FAA_DISABLE_RSP: - bfa_faa_disable_reply(iocfc, - (struct bfi_faa_en_dis_rsp_s *)msg); + case BFI_IOCFC_I2H_ADDR_MSG: + bfa_iocfc_process_faa_addr(bfa, + (struct bfi_faa_addr_msg_s *)msg); break; case BFI_IOCFC_I2H_FAA_QUERY_RSP: bfa_faa_query_reply(iocfc, (bfi_faa_query_rsp_t *)msg); @@ -1306,8 +1592,8 @@ bfa_iocfc_enable(struct bfa_s *bfa) { bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, "IOC Enable"); - bfa->iocfc.action = BFA_IOCFC_ACT_ENABLE; - bfa_ioc_enable(&bfa->ioc); + bfa->iocfc.cb_reqd = BFA_TRUE; + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_ENABLE); } void @@ -1315,17 +1601,16 @@ bfa_iocfc_disable(struct bfa_s *bfa) { bfa_plog_str(bfa->plog, BFA_PL_MID_HAL, BFA_PL_EID_MISC, 0, "IOC Disable"); - bfa->iocfc.action = BFA_IOCFC_ACT_DISABLE; bfa->queue_process = BFA_FALSE; - bfa_ioc_disable(&bfa->ioc); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DISABLE); } - bfa_boolean_t bfa_iocfc_is_operational(struct bfa_s *bfa) { - return bfa_ioc_is_operational(&bfa->ioc) && bfa->iocfc.cfgdone; + return bfa_ioc_is_operational(&bfa->ioc) && + bfa_fsm_cmp_state(&bfa->iocfc, bfa_iocfc_sm_operational); } /* @@ -1567,16 +1852,6 @@ bfa_comp_free(struct bfa_s *bfa, struct list_head *comp_q) } } -void -bfa_iocfc_cb_dconf_modinit(struct bfa_s *bfa, bfa_status_t status) -{ - if (bfa->iocfc.action == BFA_IOCFC_ACT_INIT) { - if (bfa->iocfc.cfgdone == BFA_TRUE) - bfa_cb_queue(bfa, &bfa->iocfc.init_hcb_qe, - bfa_iocfc_init_cb, bfa); - } -} - /* * Return the list of PCI vendor/device id lists supported by this * BFA instance. diff --git a/drivers/scsi/bfa/bfa_defs_svc.h b/drivers/scsi/bfa/bfa_defs_svc.h index cb07c628b2f..36756ce0e58 100644 --- a/drivers/scsi/bfa/bfa_defs_svc.h +++ b/drivers/scsi/bfa/bfa_defs_svc.h @@ -52,7 +52,7 @@ struct bfa_iocfc_fwcfg_s { u16 num_uf_bufs; /* unsolicited recv buffers */ u8 num_cqs; u8 fw_tick_res; /* FW clock resolution in ms */ - u8 rsvd[2]; + u8 rsvd[6]; }; #pragma pack() diff --git a/drivers/scsi/bfa/bfa_fcs_lport.c b/drivers/scsi/bfa/bfa_fcs_lport.c index d4f951fe753..5d2a1307e5c 100644 --- a/drivers/scsi/bfa/bfa_fcs_lport.c +++ b/drivers/scsi/bfa/bfa_fcs_lport.c @@ -5717,6 +5717,8 @@ bfa_fcs_vport_free(struct bfa_fcs_vport_s *vport) if (vport_drv->comp_del) complete(vport_drv->comp_del); + else + kfree(vport_drv); bfa_lps_delete(vport->lps); } diff --git a/drivers/scsi/bfa/bfa_fcs_rport.c b/drivers/scsi/bfa/bfa_fcs_rport.c index 52628d5d3c9..fe0463a1db0 100644 --- a/drivers/scsi/bfa/bfa_fcs_rport.c +++ b/drivers/scsi/bfa/bfa_fcs_rport.c @@ -2169,7 +2169,10 @@ bfa_fcs_rport_update(struct bfa_fcs_rport_s *rport, struct fc_logi_s *plogi) * - MAX receive frame size */ rport->cisc = plogi->csp.cisc; - rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); + if (be16_to_cpu(plogi->class3.rxsz) < be16_to_cpu(plogi->csp.rxsz)) + rport->maxfrsize = be16_to_cpu(plogi->class3.rxsz); + else + rport->maxfrsize = be16_to_cpu(plogi->csp.rxsz); bfa_trc(port->fcs, be16_to_cpu(plogi->csp.bbcred)); bfa_trc(port->fcs, port->fabric->bb_credit); diff --git a/drivers/scsi/bfa/bfa_ioc.c b/drivers/scsi/bfa/bfa_ioc.c index eca7ab78085..14e6284e48e 100644 --- a/drivers/scsi/bfa/bfa_ioc.c +++ b/drivers/scsi/bfa/bfa_ioc.c @@ -88,7 +88,6 @@ static void bfa_ioc_hb_monitor(struct bfa_ioc_s *ioc); static void bfa_ioc_mbox_poll(struct bfa_ioc_s *ioc); static void bfa_ioc_mbox_flush(struct bfa_ioc_s *ioc); static void bfa_ioc_recover(struct bfa_ioc_s *ioc); -static void bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc); static void bfa_ioc_event_notify(struct bfa_ioc_s *ioc , enum bfa_ioc_event_e event); static void bfa_ioc_disable_comp(struct bfa_ioc_s *ioc); @@ -97,7 +96,6 @@ static void bfa_ioc_debug_save_ftrc(struct bfa_ioc_s *ioc); static void bfa_ioc_fail_notify(struct bfa_ioc_s *ioc); static void bfa_ioc_pf_fwmismatch(struct bfa_ioc_s *ioc); - /* * IOC state machine definitions/declarations */ @@ -114,7 +112,6 @@ enum ioc_event { IOC_E_HWERROR = 10, /* hardware error interrupt */ IOC_E_TIMEOUT = 11, /* timeout */ IOC_E_HWFAILED = 12, /* PCI mapping failure notice */ - IOC_E_FWRSP_ACQ_ADDR = 13, /* Acquiring address */ }; bfa_fsm_state_decl(bfa_ioc, uninit, struct bfa_ioc_s, enum ioc_event); @@ -127,7 +124,6 @@ bfa_fsm_state_decl(bfa_ioc, fail, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabling, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, disabled, struct bfa_ioc_s, enum ioc_event); bfa_fsm_state_decl(bfa_ioc, hwfail, struct bfa_ioc_s, enum ioc_event); -bfa_fsm_state_decl(bfa_ioc, acq_addr, struct bfa_ioc_s, enum ioc_event); static struct bfa_sm_table_s ioc_sm_table[] = { {BFA_SM(bfa_ioc_sm_uninit), BFA_IOC_UNINIT}, @@ -140,7 +136,6 @@ static struct bfa_sm_table_s ioc_sm_table[] = { {BFA_SM(bfa_ioc_sm_disabling), BFA_IOC_DISABLING}, {BFA_SM(bfa_ioc_sm_disabled), BFA_IOC_DISABLED}, {BFA_SM(bfa_ioc_sm_hwfail), BFA_IOC_HWFAIL}, - {BFA_SM(bfa_ioc_sm_acq_addr), BFA_IOC_ACQ_ADDR}, }; /* @@ -371,17 +366,9 @@ bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) switch (event) { case IOC_E_FWRSP_GETATTR: bfa_ioc_timer_stop(ioc); - bfa_ioc_check_attr_wwns(ioc); - bfa_ioc_hb_monitor(ioc); bfa_fsm_set_state(ioc, bfa_ioc_sm_op); break; - case IOC_E_FWRSP_ACQ_ADDR: - bfa_ioc_timer_stop(ioc); - bfa_ioc_hb_monitor(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_acq_addr); - break; - case IOC_E_PFFAILED: case IOC_E_HWERROR: bfa_ioc_timer_stop(ioc); @@ -406,51 +393,6 @@ bfa_ioc_sm_getattr(struct bfa_ioc_s *ioc, enum ioc_event event) } } -/* - * Acquiring address from fabric (entry function) - */ -static void -bfa_ioc_sm_acq_addr_entry(struct bfa_ioc_s *ioc) -{ -} - -/* - * Acquiring address from the fabric - */ -static void -bfa_ioc_sm_acq_addr(struct bfa_ioc_s *ioc, enum ioc_event event) -{ - bfa_trc(ioc, event); - - switch (event) { - case IOC_E_FWRSP_GETATTR: - bfa_ioc_check_attr_wwns(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_op); - break; - - case IOC_E_PFFAILED: - case IOC_E_HWERROR: - bfa_hb_timer_stop(ioc); - case IOC_E_HBFAIL: - ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_IOC_FAILURE); - bfa_fsm_set_state(ioc, bfa_ioc_sm_fail); - if (event != IOC_E_PFFAILED) - bfa_fsm_send_event(&ioc->iocpf, IOCPF_E_GETATTRFAIL); - break; - - case IOC_E_DISABLE: - bfa_hb_timer_stop(ioc); - bfa_fsm_set_state(ioc, bfa_ioc_sm_disabling); - break; - - case IOC_E_ENABLE: - break; - - default: - bfa_sm_fault(ioc, event); - } -} - static void bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) { @@ -458,6 +400,7 @@ bfa_ioc_sm_op_entry(struct bfa_ioc_s *ioc) ioc->cbfn->enable_cbfn(ioc->bfa, BFA_STATUS_OK); bfa_ioc_event_notify(ioc, BFA_IOC_E_ENABLED); + bfa_ioc_hb_monitor(ioc); BFA_LOG(KERN_INFO, bfad, bfa_log_level, "IOC enabled\n"); bfa_ioc_aen_post(ioc, BFA_IOC_AEN_ENABLE); } @@ -738,26 +681,60 @@ static void bfa_iocpf_sm_fwcheck_entry(struct bfa_iocpf_s *iocpf) { struct bfi_ioc_image_hdr_s fwhdr; - u32 fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate); + u32 r32, fwstate, pgnum, pgoff, loff = 0; + int i; + + /* + * Spin on init semaphore to serialize. + */ + r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); + while (r32 & 0x1) { + udelay(20); + r32 = readl(iocpf->ioc->ioc_regs.ioc_init_sem_reg); + } /* h/w sem init */ - if (fwstate == BFI_IOC_UNINIT) + fwstate = readl(iocpf->ioc->ioc_regs.ioc_fwstate); + if (fwstate == BFI_IOC_UNINIT) { + writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); goto sem_get; + } bfa_ioc_fwver_get(iocpf->ioc, &fwhdr); - if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) + if (swab32(fwhdr.exec) == BFI_FWBOOT_TYPE_NORMAL) { + writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); goto sem_get; + } + + /* + * Clear fwver hdr + */ + pgnum = PSS_SMEM_PGNUM(iocpf->ioc->ioc_regs.smem_pg0, loff); + pgoff = PSS_SMEM_PGOFF(loff); + writel(pgnum, iocpf->ioc->ioc_regs.host_page_num_fn); + + for (i = 0; i < sizeof(struct bfi_ioc_image_hdr_s) / sizeof(u32); i++) { + bfa_mem_write(iocpf->ioc->ioc_regs.smem_page_start, loff, 0); + loff += sizeof(u32); + } bfa_trc(iocpf->ioc, fwstate); - bfa_trc(iocpf->ioc, fwhdr.exec); + bfa_trc(iocpf->ioc, swab32(fwhdr.exec)); writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.ioc_fwstate); + writel(BFI_IOC_UNINIT, iocpf->ioc->ioc_regs.alt_ioc_fwstate); /* - * Try to lock and then unlock the semaphore. + * Unlock the hw semaphore. Should be here only once per boot. */ readl(iocpf->ioc->ioc_regs.ioc_sem_reg); writel(1, iocpf->ioc->ioc_regs.ioc_sem_reg); + + /* + * unlock init semaphore. + */ + writel(1, iocpf->ioc->ioc_regs.ioc_init_sem_reg); + sem_get: bfa_ioc_hw_sem_get(iocpf->ioc); } @@ -1707,11 +1684,6 @@ bfa_ioc_download_fw(struct bfa_ioc_s *ioc, u32 boot_type, u32 i; u32 asicmode; - /* - * Initialize LMEM first before code download - */ - bfa_ioc_lmem_init(ioc); - bfa_trc(ioc, bfa_cb_image_get_size(bfa_ioc_asic_gen(ioc))); fwimg = bfa_cb_image_get_chunk(bfa_ioc_asic_gen(ioc), chunkno); @@ -1999,6 +1971,12 @@ bfa_ioc_pll_init(struct bfa_ioc_s *ioc) bfa_ioc_pll_init_asic(ioc); ioc->pllinit = BFA_TRUE; + + /* + * Initialize LMEM + */ + bfa_ioc_lmem_init(ioc); + /* * release semaphore. */ @@ -2122,10 +2100,6 @@ bfa_ioc_isr(struct bfa_ioc_s *ioc, struct bfi_mbmsg_s *m) bfa_ioc_getattr_reply(ioc); break; - case BFI_IOC_I2H_ACQ_ADDR_REPLY: - bfa_fsm_send_event(ioc, IOC_E_FWRSP_ACQ_ADDR); - break; - default: bfa_trc(ioc, msg->mh.msg_id); WARN_ON(1); @@ -2416,15 +2390,6 @@ bfa_ioc_is_disabled(struct bfa_ioc_s *ioc) } /* - * Return TRUE if IOC is in acquiring address state - */ -bfa_boolean_t -bfa_ioc_is_acq_addr(struct bfa_ioc_s *ioc) -{ - return bfa_fsm_cmp_state(ioc, bfa_ioc_sm_acq_addr); -} - -/* * return true if IOC firmware is different. */ bfa_boolean_t @@ -2916,17 +2881,6 @@ bfa_ioc_recover(struct bfa_ioc_s *ioc) bfa_fsm_send_event(ioc, IOC_E_HBFAIL); } -static void -bfa_ioc_check_attr_wwns(struct bfa_ioc_s *ioc) -{ - if (bfa_ioc_get_type(ioc) == BFA_IOC_TYPE_LL) - return; - if (ioc->attr->nwwn == 0) - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_INVALID_NWWN); - if (ioc->attr->pwwn == 0) - bfa_ioc_aen_post(ioc, BFA_IOC_AEN_INVALID_PWWN); -} - /* * BFA IOC PF private functions */ @@ -4495,7 +4449,7 @@ bfa_flash_read_part(struct bfa_flash_s *flash, enum bfa_flash_part_type type, */ #define BFA_DIAG_MEMTEST_TOV 50000 /* memtest timeout in msec */ -#define BFA_DIAG_FWPING_TOV 1000 /* msec */ +#define CT2_BFA_DIAG_MEMTEST_TOV (9*30*1000) /* 4.5 min */ /* IOC event handler */ static void @@ -4772,7 +4726,7 @@ diag_ledtest_send(struct bfa_diag_s *diag, struct bfa_diag_ledtest_s *ledtest) } static void -diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s * msg) +diag_ledtest_comp(struct bfa_diag_s *diag, struct bfi_diag_ledtest_rsp_s *msg) { bfa_trc(diag, diag->ledtest.lock); diag->ledtest.lock = BFA_FALSE; @@ -4850,6 +4804,8 @@ bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, u32 pattern, struct bfa_diag_memtest_result *result, bfa_cb_diag_t cbfn, void *cbarg) { + u32 memtest_tov; + bfa_trc(diag, pattern); if (!bfa_ioc_adapter_is_disabled(diag->ioc)) @@ -4869,8 +4825,10 @@ bfa_diag_memtest(struct bfa_diag_s *diag, struct bfa_diag_memtest_s *memtest, /* download memtest code and take LPU0 out of reset */ bfa_ioc_boot(diag->ioc, BFI_FWBOOT_TYPE_MEMTEST, BFI_FWBOOT_ENV_OS); + memtest_tov = (bfa_ioc_asic_gen(diag->ioc) == BFI_ASIC_GEN_CT2) ? + CT2_BFA_DIAG_MEMTEST_TOV : BFA_DIAG_MEMTEST_TOV; bfa_timer_begin(diag->ioc->timer_mod, &diag->timer, - bfa_diag_memtest_done, diag, BFA_DIAG_MEMTEST_TOV); + bfa_diag_memtest_done, diag, memtest_tov); diag->timer_active = 1; return BFA_STATUS_OK; } @@ -5641,24 +5599,27 @@ bfa_dconf_sm_uninit(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) case BFA_DCONF_SM_INIT: if (dconf->min_cfg) { bfa_trc(dconf->bfa, dconf->min_cfg); + bfa_fsm_send_event(&dconf->bfa->iocfc, + IOCFC_E_DCONF_DONE); return; } bfa_sm_set_state(dconf, bfa_dconf_sm_flash_read); - dconf->flashdone = BFA_FALSE; - bfa_trc(dconf->bfa, dconf->flashdone); + bfa_timer_start(dconf->bfa, &dconf->timer, + bfa_dconf_timer, dconf, BFA_DCONF_UPDATE_TOV); bfa_status = bfa_flash_read_part(BFA_FLASH(dconf->bfa), BFA_FLASH_PART_DRV, dconf->instance, dconf->dconf, sizeof(struct bfa_dconf_s), 0, bfa_dconf_init_cb, dconf->bfa); if (bfa_status != BFA_STATUS_OK) { + bfa_timer_stop(&dconf->timer); bfa_dconf_init_cb(dconf->bfa, BFA_STATUS_FAILED); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); return; } break; case BFA_DCONF_SM_EXIT: - dconf->flashdone = BFA_TRUE; + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); case BFA_DCONF_SM_IOCDISABLE: case BFA_DCONF_SM_WR: case BFA_DCONF_SM_FLASH_COMP: @@ -5679,15 +5640,20 @@ bfa_dconf_sm_flash_read(struct bfa_dconf_mod_s *dconf, switch (event) { case BFA_DCONF_SM_FLASH_COMP: + bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_ready); break; case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_ready); + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_IOC_FAILED); break; case BFA_DCONF_SM_EXIT: - dconf->flashdone = BFA_TRUE; - bfa_trc(dconf->bfa, dconf->flashdone); + bfa_timer_stop(&dconf->timer); + bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); + break; case BFA_DCONF_SM_IOCDISABLE: + bfa_timer_stop(&dconf->timer); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); break; default: @@ -5710,9 +5676,8 @@ bfa_dconf_sm_ready(struct bfa_dconf_mod_s *dconf, enum bfa_dconf_event event) bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); break; case BFA_DCONF_SM_EXIT: - dconf->flashdone = BFA_TRUE; - bfa_trc(dconf->bfa, dconf->flashdone); bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_INIT: case BFA_DCONF_SM_IOCDISABLE: @@ -5774,9 +5739,7 @@ bfa_dconf_sm_final_sync(struct bfa_dconf_mod_s *dconf, bfa_timer_stop(&dconf->timer); case BFA_DCONF_SM_TIMEOUT: bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); - dconf->flashdone = BFA_TRUE; - bfa_trc(dconf->bfa, dconf->flashdone); - bfa_ioc_disable(&dconf->bfa->ioc); + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; default: bfa_sm_fault(dconf->bfa, event); @@ -5823,8 +5786,8 @@ bfa_dconf_sm_iocdown_dirty(struct bfa_dconf_mod_s *dconf, bfa_sm_set_state(dconf, bfa_dconf_sm_dirty); break; case BFA_DCONF_SM_EXIT: - dconf->flashdone = BFA_TRUE; bfa_sm_set_state(dconf, bfa_dconf_sm_uninit); + bfa_fsm_send_event(&dconf->bfa->iocfc, IOCFC_E_DCONF_DONE); break; case BFA_DCONF_SM_IOCDISABLE: break; @@ -5865,11 +5828,6 @@ bfa_dconf_attach(struct bfa_s *bfa, void *bfad, struct bfa_iocfc_cfg_s *cfg, if (cfg->drvcfg.min_cfg) { bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_hdr_s); dconf->min_cfg = BFA_TRUE; - /* - * Set the flashdone flag to TRUE explicitly as no flash - * write will happen in min_cfg mode. - */ - dconf->flashdone = BFA_TRUE; } else { dconf->min_cfg = BFA_FALSE; bfa_mem_kva_curp(dconf) += sizeof(struct bfa_dconf_s); @@ -5885,9 +5843,7 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status) struct bfa_s *bfa = arg; struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); - dconf->flashdone = BFA_TRUE; - bfa_trc(bfa, dconf->flashdone); - bfa_iocfc_cb_dconf_modinit(bfa, status); + bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); if (status == BFA_STATUS_OK) { bfa_dconf_read_data_valid(bfa) = BFA_TRUE; if (dconf->dconf->hdr.signature != BFI_DCONF_SIGNATURE) @@ -5895,7 +5851,7 @@ bfa_dconf_init_cb(void *arg, bfa_status_t status) if (dconf->dconf->hdr.version != BFI_DCONF_VERSION) dconf->dconf->hdr.version = BFI_DCONF_VERSION; } - bfa_sm_send_event(dconf, BFA_DCONF_SM_FLASH_COMP); + bfa_fsm_send_event(&bfa->iocfc, IOCFC_E_DCONF_DONE); } void @@ -5977,7 +5933,5 @@ void bfa_dconf_modexit(struct bfa_s *bfa) { struct bfa_dconf_mod_s *dconf = BFA_DCONF_MOD(bfa); - BFA_DCONF_MOD(bfa)->flashdone = BFA_FALSE; - bfa_trc(bfa, BFA_DCONF_MOD(bfa)->flashdone); bfa_sm_send_event(dconf, BFA_DCONF_SM_EXIT); } diff --git a/drivers/scsi/bfa/bfa_ioc.h b/drivers/scsi/bfa/bfa_ioc.h index 546d46b3710..1a99d4b5b50 100644 --- a/drivers/scsi/bfa/bfa_ioc.h +++ b/drivers/scsi/bfa/bfa_ioc.h @@ -373,6 +373,22 @@ struct bfa_cb_qe_s { }; /* + * IOCFC state machine definitions/declarations + */ +enum iocfc_event { + IOCFC_E_INIT = 1, /* IOCFC init request */ + IOCFC_E_START = 2, /* IOCFC mod start request */ + IOCFC_E_STOP = 3, /* IOCFC stop request */ + IOCFC_E_ENABLE = 4, /* IOCFC enable request */ + IOCFC_E_DISABLE = 5, /* IOCFC disable request */ + IOCFC_E_IOC_ENABLED = 6, /* IOC enabled message */ + IOCFC_E_IOC_DISABLED = 7, /* IOC disabled message */ + IOCFC_E_IOC_FAILED = 8, /* failure notice by IOC sm */ + IOCFC_E_DCONF_DONE = 9, /* dconf read/write done */ + IOCFC_E_CFG_DONE = 10, /* IOCFC config complete */ +}; + +/* * ASIC block configurtion related */ @@ -706,7 +722,6 @@ struct bfa_dconf_s { struct bfa_dconf_mod_s { bfa_sm_t sm; u8 instance; - bfa_boolean_t flashdone; bfa_boolean_t read_data_valid; bfa_boolean_t min_cfg; struct bfa_timer_s timer; diff --git a/drivers/scsi/bfa/bfa_ioc_ct.c b/drivers/scsi/bfa/bfa_ioc_ct.c index d1b8f0caaa7..2eb0c6a2938 100644 --- a/drivers/scsi/bfa/bfa_ioc_ct.c +++ b/drivers/scsi/bfa/bfa_ioc_ct.c @@ -786,17 +786,73 @@ bfa_ioc_ct2_mac_reset(void __iomem *rb) } #define CT2_NFC_MAX_DELAY 1000 +#define CT2_NFC_VER_VALID 0x143 +#define BFA_IOC_PLL_POLL 1000000 + +static bfa_boolean_t +bfa_ioc_ct2_nfc_halted(void __iomem *rb) +{ + u32 r32; + + r32 = readl(rb + CT2_NFC_CSR_SET_REG); + if (r32 & __NFC_CONTROLLER_HALTED) + return BFA_TRUE; + + return BFA_FALSE; +} + +static void +bfa_ioc_ct2_nfc_resume(void __iomem *rb) +{ + u32 r32; + int i; + + writel(__HALT_NFC_CONTROLLER, rb + CT2_NFC_CSR_CLR_REG); + for (i = 0; i < CT2_NFC_MAX_DELAY; i++) { + r32 = readl(rb + CT2_NFC_CSR_SET_REG); + if (!(r32 & __NFC_CONTROLLER_HALTED)) + return; + udelay(1000); + } + WARN_ON(1); +} + bfa_status_t bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode) { - u32 wgn, r32; - int i; + u32 wgn, r32, nfc_ver, i; - /* - * Initialize PLL if not already done by NFC - */ wgn = readl(rb + CT2_WGN_STATUS); - if (!(wgn & __GLBL_PF_VF_CFG_RDY)) { + nfc_ver = readl(rb + CT2_RSC_GPR15_REG); + + if ((wgn == (__A2T_AHB_LOAD | __WGN_READY)) && + (nfc_ver >= CT2_NFC_VER_VALID)) { + if (bfa_ioc_ct2_nfc_halted(rb)) + bfa_ioc_ct2_nfc_resume(rb); + + writel(__RESET_AND_START_SCLK_LCLK_PLLS, + rb + CT2_CSI_FW_CTL_SET_REG); + + for (i = 0; i < BFA_IOC_PLL_POLL; i++) { + r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG); + if (r32 & __RESET_AND_START_SCLK_LCLK_PLLS) + break; + } + + WARN_ON(!(r32 & __RESET_AND_START_SCLK_LCLK_PLLS)); + + for (i = 0; i < BFA_IOC_PLL_POLL; i++) { + r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG); + if (!(r32 & __RESET_AND_START_SCLK_LCLK_PLLS)) + break; + } + + WARN_ON(r32 & __RESET_AND_START_SCLK_LCLK_PLLS); + udelay(1000); + + r32 = readl(rb + CT2_CSI_FW_CTL_REG); + WARN_ON(r32 & __RESET_AND_START_SCLK_LCLK_PLLS); + } else { writel(__HALT_NFC_CONTROLLER, rb + CT2_NFC_CSR_SET_REG); for (i = 0; i < CT2_NFC_MAX_DELAY; i++) { r32 = readl(rb + CT2_NFC_CSR_SET_REG); @@ -804,57 +860,62 @@ bfa_ioc_ct2_pll_init(void __iomem *rb, enum bfi_asic_mode mode) break; udelay(1000); } - } - /* - * Mask the interrupts and clear any - * pending interrupts. - */ - writel(1, (rb + CT2_LPU0_HOSTFN_MBOX0_MSK)); - writel(1, (rb + CT2_LPU1_HOSTFN_MBOX0_MSK)); - - r32 = readl((rb + CT2_LPU0_HOSTFN_CMD_STAT)); - if (r32 == 1) { - writel(1, (rb + CT2_LPU0_HOSTFN_CMD_STAT)); - readl((rb + CT2_LPU0_HOSTFN_CMD_STAT)); + bfa_ioc_ct2_mac_reset(rb); + bfa_ioc_ct2_sclk_init(rb); + bfa_ioc_ct2_lclk_init(rb); + + /* + * release soft reset on s_clk & l_clk + */ + r32 = readl(rb + CT2_APP_PLL_SCLK_CTL_REG); + writel(r32 & ~__APP_PLL_SCLK_LOGIC_SOFT_RESET, + (rb + CT2_APP_PLL_SCLK_CTL_REG)); + + /* + * release soft reset on s_clk & l_clk + */ + r32 = readl(rb + CT2_APP_PLL_LCLK_CTL_REG); + writel(r32 & ~__APP_PLL_LCLK_LOGIC_SOFT_RESET, + (rb + CT2_APP_PLL_LCLK_CTL_REG)); } - r32 = readl((rb + CT2_LPU1_HOSTFN_CMD_STAT)); - if (r32 == 1) { - writel(1, (rb + CT2_LPU1_HOSTFN_CMD_STAT)); - readl((rb + CT2_LPU1_HOSTFN_CMD_STAT)); - } - - bfa_ioc_ct2_mac_reset(rb); - bfa_ioc_ct2_sclk_init(rb); - bfa_ioc_ct2_lclk_init(rb); - - /* - * release soft reset on s_clk & l_clk - */ - r32 = readl((rb + CT2_APP_PLL_SCLK_CTL_REG)); - writel(r32 & ~__APP_PLL_SCLK_LOGIC_SOFT_RESET, - (rb + CT2_APP_PLL_SCLK_CTL_REG)); - - /* - * release soft reset on s_clk & l_clk - */ - r32 = readl((rb + CT2_APP_PLL_LCLK_CTL_REG)); - writel(r32 & ~__APP_PLL_LCLK_LOGIC_SOFT_RESET, - (rb + CT2_APP_PLL_LCLK_CTL_REG)); /* * Announce flash device presence, if flash was corrupted. */ if (wgn == (__WGN_READY | __GLBL_PF_VF_CFG_RDY)) { - r32 = readl((rb + PSS_GPIO_OUT_REG)); + r32 = readl(rb + PSS_GPIO_OUT_REG); writel(r32 & ~1, (rb + PSS_GPIO_OUT_REG)); - r32 = readl((rb + PSS_GPIO_OE_REG)); + r32 = readl(rb + PSS_GPIO_OE_REG); writel(r32 | 1, (rb + PSS_GPIO_OE_REG)); } + /* + * Mask the interrupts and clear any + * pending interrupts. + */ + writel(1, (rb + CT2_LPU0_HOSTFN_MBOX0_MSK)); + writel(1, (rb + CT2_LPU1_HOSTFN_MBOX0_MSK)); + + /* For first time initialization, no need to clear interrupts */ + r32 = readl(rb + HOST_SEM5_REG); + if (r32 & 0x1) { + r32 = readl(rb + CT2_LPU0_HOSTFN_CMD_STAT); + if (r32 == 1) { + writel(1, rb + CT2_LPU0_HOSTFN_CMD_STAT); + readl((rb + CT2_LPU0_HOSTFN_CMD_STAT)); + } + r32 = readl(rb + CT2_LPU1_HOSTFN_CMD_STAT); + if (r32 == 1) { + writel(1, rb + CT2_LPU1_HOSTFN_CMD_STAT); + readl(rb + CT2_LPU1_HOSTFN_CMD_STAT); + } + } + bfa_ioc_ct2_mem_init(rb); - writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC0_STATE_REG)); - writel(BFI_IOC_UNINIT, (rb + CT2_BFA_IOC1_STATE_REG)); + writel(BFI_IOC_UNINIT, rb + CT2_BFA_IOC0_STATE_REG); + writel(BFI_IOC_UNINIT, rb + CT2_BFA_IOC1_STATE_REG); + return BFA_STATUS_OK; } diff --git a/drivers/scsi/bfa/bfa_svc.c b/drivers/scsi/bfa/bfa_svc.c index aa8a0eaf91f..2e856e6710f 100644 --- a/drivers/scsi/bfa/bfa_svc.c +++ b/drivers/scsi/bfa/bfa_svc.c @@ -1280,6 +1280,7 @@ bfa_lps_sm_loginwait(struct bfa_lps_s *lps, enum bfa_lps_event event) switch (event) { case BFA_LPS_SM_RESUME: bfa_sm_set_state(lps, bfa_lps_sm_login); + bfa_lps_send_login(lps); break; case BFA_LPS_SM_OFFLINE: @@ -1578,7 +1579,7 @@ bfa_lps_login_rsp(struct bfa_s *bfa, struct bfi_lps_login_rsp_s *rsp) break; case BFA_STATUS_VPORT_MAX: - if (!rsp->ext_status) + if (rsp->ext_status) bfa_lps_no_res(lps, rsp->ext_status); break; @@ -3084,33 +3085,6 @@ bfa_fcport_set_wwns(struct bfa_fcport_s *fcport) } static void -bfa_fcport_send_txcredit(void *port_cbarg) -{ - - struct bfa_fcport_s *fcport = port_cbarg; - struct bfi_fcport_set_svc_params_req_s *m; - - /* - * check for room in queue to send request now - */ - m = bfa_reqq_next(fcport->bfa, BFA_REQQ_PORT); - if (!m) { - bfa_trc(fcport->bfa, fcport->cfg.tx_bbcredit); - return; - } - - bfi_h2i_set(m->mh, BFI_MC_FCPORT, BFI_FCPORT_H2I_SET_SVC_PARAMS_REQ, - bfa_fn_lpu(fcport->bfa)); - m->tx_bbcredit = cpu_to_be16((u16)fcport->cfg.tx_bbcredit); - m->bb_scn = fcport->cfg.bb_scn; - - /* - * queue I/O message to firmware - */ - bfa_reqq_produce(fcport->bfa, BFA_REQQ_PORT, m->mh); -} - -static void bfa_fcport_qos_stats_swap(struct bfa_qos_stats_s *d, struct bfa_qos_stats_s *s) { @@ -3602,26 +3576,24 @@ bfa_fcport_cfg_speed(struct bfa_s *bfa, enum bfa_port_speed speed) return BFA_STATUS_UNSUPP_SPEED; } - /* For Mezz card, port speed entered needs to be checked */ - if (bfa_mfg_is_mezz(fcport->bfa->ioc.attr->card_type)) { - if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) { - /* For CT2, 1G is not supported */ - if ((speed == BFA_PORT_SPEED_1GBPS) && - (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) - return BFA_STATUS_UNSUPP_SPEED; + /* Port speed entered needs to be checked */ + if (bfa_ioc_get_type(&fcport->bfa->ioc) == BFA_IOC_TYPE_FC) { + /* For CT2, 1G is not supported */ + if ((speed == BFA_PORT_SPEED_1GBPS) && + (bfa_asic_id_ct2(bfa->ioc.pcidev.device_id))) + return BFA_STATUS_UNSUPP_SPEED; - /* Already checked for Auto Speed and Max Speed supp */ - if (!(speed == BFA_PORT_SPEED_1GBPS || - speed == BFA_PORT_SPEED_2GBPS || - speed == BFA_PORT_SPEED_4GBPS || - speed == BFA_PORT_SPEED_8GBPS || - speed == BFA_PORT_SPEED_16GBPS || - speed == BFA_PORT_SPEED_AUTO)) - return BFA_STATUS_UNSUPP_SPEED; - } else { - if (speed != BFA_PORT_SPEED_10GBPS) - return BFA_STATUS_UNSUPP_SPEED; - } + /* Already checked for Auto Speed and Max Speed supp */ + if (!(speed == BFA_PORT_SPEED_1GBPS || + speed == BFA_PORT_SPEED_2GBPS || + speed == BFA_PORT_SPEED_4GBPS || + speed == BFA_PORT_SPEED_8GBPS || + speed == BFA_PORT_SPEED_16GBPS || + speed == BFA_PORT_SPEED_AUTO)) + return BFA_STATUS_UNSUPP_SPEED; + } else { + if (speed != BFA_PORT_SPEED_10GBPS) + return BFA_STATUS_UNSUPP_SPEED; } fcport->cfg.speed = speed; @@ -3765,7 +3737,6 @@ bfa_fcport_set_tx_bbcredit(struct bfa_s *bfa, u16 tx_bbcredit, u8 bb_scn) fcport->cfg.bb_scn = bb_scn; if (bb_scn) fcport->bbsc_op_state = BFA_TRUE; - bfa_fcport_send_txcredit(fcport); } /* @@ -3825,8 +3796,6 @@ bfa_fcport_get_attr(struct bfa_s *bfa, struct bfa_port_attr_s *attr) attr->port_state = BFA_PORT_ST_IOCDIS; else if (bfa_ioc_fw_mismatch(&fcport->bfa->ioc)) attr->port_state = BFA_PORT_ST_FWMISMATCH; - else if (bfa_ioc_is_acq_addr(&fcport->bfa->ioc)) - attr->port_state = BFA_PORT_ST_ACQ_ADDR; } /* FCoE vlan */ diff --git a/drivers/scsi/bfa/bfa_svc.h b/drivers/scsi/bfa/bfa_svc.h index b52cbb6bcd5..f3006756463 100644 --- a/drivers/scsi/bfa/bfa_svc.h +++ b/drivers/scsi/bfa/bfa_svc.h @@ -663,10 +663,6 @@ void bfa_cb_lps_fdisclogo_comp(void *bfad, void *uarg); void bfa_cb_lps_cvl_event(void *bfad, void *uarg); /* FAA specific APIs */ -bfa_status_t bfa_faa_enable(struct bfa_s *bfa, - bfa_cb_iocfc_t cbfn, void *cbarg); -bfa_status_t bfa_faa_disable(struct bfa_s *bfa, - bfa_cb_iocfc_t cbfn, void *cbarg); bfa_status_t bfa_faa_query(struct bfa_s *bfa, struct bfa_faa_attr_s *attr, bfa_cb_iocfc_t cbfn, void *cbarg); diff --git a/drivers/scsi/bfa/bfad_attr.c b/drivers/scsi/bfa/bfad_attr.c index 1938fe0473e..7b1ecd2b3ff 100644 --- a/drivers/scsi/bfa/bfad_attr.c +++ b/drivers/scsi/bfa/bfad_attr.c @@ -442,6 +442,43 @@ bfad_im_vport_create(struct fc_vport *fc_vport, bool disable) return status; } +int +bfad_im_issue_fc_host_lip(struct Scsi_Host *shost) +{ + struct bfad_im_port_s *im_port = + (struct bfad_im_port_s *) shost->hostdata[0]; + struct bfad_s *bfad = im_port->bfad; + struct bfad_hal_comp fcomp; + unsigned long flags; + uint32_t status; + + init_completion(&fcomp.comp); + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_port_disable(&bfad->bfa.modules.port, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + + if (status != BFA_STATUS_OK) + return -EIO; + + wait_for_completion(&fcomp.comp); + if (fcomp.status != BFA_STATUS_OK) + return -EIO; + + spin_lock_irqsave(&bfad->bfad_lock, flags); + status = bfa_port_enable(&bfad->bfa.modules.port, + bfad_hcb_comp, &fcomp); + spin_unlock_irqrestore(&bfad->bfad_lock, flags); + if (status != BFA_STATUS_OK) + return -EIO; + + wait_for_completion(&fcomp.comp); + if (fcomp.status != BFA_STATUS_OK) + return -EIO; + + return 0; +} + static int bfad_im_vport_delete(struct fc_vport *fc_vport) { @@ -457,8 +494,11 @@ bfad_im_vport_delete(struct fc_vport *fc_vport) unsigned long flags; struct completion fcomp; - if (im_port->flags & BFAD_PORT_DELETE) - goto free_scsi_host; + if (im_port->flags & BFAD_PORT_DELETE) { + bfad_scsi_host_free(bfad, im_port); + list_del(&vport->list_entry); + return 0; + } port = im_port->port; @@ -489,7 +529,6 @@ bfad_im_vport_delete(struct fc_vport *fc_vport) wait_for_completion(vport->comp_del); -free_scsi_host: bfad_scsi_host_free(bfad, im_port); list_del(&vport->list_entry); kfree(vport); @@ -579,7 +618,7 @@ struct fc_function_template bfad_im_fc_function_template = { .show_rport_dev_loss_tmo = 1, .get_rport_dev_loss_tmo = bfad_im_get_rport_loss_tmo, .set_rport_dev_loss_tmo = bfad_im_set_rport_loss_tmo, - + .issue_fc_host_lip = bfad_im_issue_fc_host_lip, .vport_create = bfad_im_vport_create, .vport_delete = bfad_im_vport_delete, .vport_disable = bfad_im_vport_disable, diff --git a/drivers/scsi/bfa/bfad_bsg.c b/drivers/scsi/bfa/bfad_bsg.c index 530de2b1200..e1f4b10df42 100644 --- a/drivers/scsi/bfa/bfad_bsg.c +++ b/drivers/scsi/bfa/bfad_bsg.c @@ -1288,50 +1288,6 @@ out: } int -bfad_iocmd_faa_enable(struct bfad_s *bfad, void *cmd) -{ - struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; - unsigned long flags; - struct bfad_hal_comp fcomp; - - init_completion(&fcomp.comp); - iocmd->status = BFA_STATUS_OK; - spin_lock_irqsave(&bfad->bfad_lock, flags); - iocmd->status = bfa_faa_enable(&bfad->bfa, bfad_hcb_comp, &fcomp); - spin_unlock_irqrestore(&bfad->bfad_lock, flags); - - if (iocmd->status != BFA_STATUS_OK) - goto out; - - wait_for_completion(&fcomp.comp); - iocmd->status = fcomp.status; -out: - return 0; -} - -int -bfad_iocmd_faa_disable(struct bfad_s *bfad, void *cmd) -{ - struct bfa_bsg_gen_s *iocmd = (struct bfa_bsg_gen_s *)cmd; - unsigned long flags; - struct bfad_hal_comp fcomp; - - init_completion(&fcomp.comp); - iocmd->status = BFA_STATUS_OK; - spin_lock_irqsave(&bfad->bfad_lock, flags); - iocmd->status = bfa_faa_disable(&bfad->bfa, bfad_hcb_comp, &fcomp); - spin_unlock_irqrestore(&bfad->bfad_lock, flags); - - if (iocmd->status != BFA_STATUS_OK) - goto out; - - wait_for_completion(&fcomp.comp); - iocmd->status = fcomp.status; -out: - return 0; -} - -int bfad_iocmd_faa_query(struct bfad_s *bfad, void *cmd) { struct bfa_bsg_faa_attr_s *iocmd = (struct bfa_bsg_faa_attr_s *)cmd; @@ -1918,6 +1874,7 @@ bfad_iocmd_debug_fw_core(struct bfad_s *bfad, void *cmd, struct bfa_bsg_debug_s *iocmd = (struct bfa_bsg_debug_s *)cmd; void *iocmd_bufptr; unsigned long flags; + u32 offset; if (bfad_chk_iocmd_sz(payload_len, sizeof(struct bfa_bsg_debug_s), BFA_DEBUG_FW_CORE_CHUNK_SZ) != BFA_STATUS_OK) { @@ -1935,8 +1892,10 @@ bfad_iocmd_debug_fw_core(struct bfad_s *bfad, void *cmd, iocmd_bufptr = (char *)iocmd + sizeof(struct bfa_bsg_debug_s); spin_lock_irqsave(&bfad->bfad_lock, flags); + offset = iocmd->offset; iocmd->status = bfa_ioc_debug_fwcore(&bfad->bfa.ioc, iocmd_bufptr, - (u32 *)&iocmd->offset, &iocmd->bufsz); + &offset, &iocmd->bufsz); + iocmd->offset = offset; spin_unlock_irqrestore(&bfad->bfad_lock, flags); out: return 0; @@ -2633,12 +2592,6 @@ bfad_iocmd_handler(struct bfad_s *bfad, unsigned int cmd, void *iocmd, case IOCMD_FLASH_DISABLE_OPTROM: rc = bfad_iocmd_ablk_optrom(bfad, cmd, iocmd); break; - case IOCMD_FAA_ENABLE: - rc = bfad_iocmd_faa_enable(bfad, iocmd); - break; - case IOCMD_FAA_DISABLE: - rc = bfad_iocmd_faa_disable(bfad, iocmd); - break; case IOCMD_FAA_QUERY: rc = bfad_iocmd_faa_query(bfad, iocmd); break; @@ -2809,9 +2762,16 @@ bfad_im_bsg_vendor_request(struct fc_bsg_job *job) struct bfad_im_port_s *im_port = (struct bfad_im_port_s *) job->shost->hostdata[0]; struct bfad_s *bfad = im_port->bfad; + struct request_queue *request_q = job->req->q; void *payload_kbuf; int rc = -EINVAL; + /* + * Set the BSG device request_queue size to 256 to support + * payloads larger than 512*1024K bytes. + */ + blk_queue_max_segments(request_q, 256); + /* Allocate a temp buffer to hold the passed in user space command */ payload_kbuf = kzalloc(job->request_payload.payload_len, GFP_KERNEL); if (!payload_kbuf) { @@ -3047,8 +3007,7 @@ bfad_im_bsg_els_ct_request(struct fc_bsg_job *job) * Allocate buffer for bsg_fcpt and do a copy_from_user op for payload * buffer of size bsg_data->payload_len */ - bsg_fcpt = (struct bfa_bsg_fcpt_s *) - kzalloc(bsg_data->payload_len, GFP_KERNEL); + bsg_fcpt = kzalloc(bsg_data->payload_len, GFP_KERNEL); if (!bsg_fcpt) goto out; @@ -3060,6 +3019,7 @@ bfad_im_bsg_els_ct_request(struct fc_bsg_job *job) drv_fcxp = kzalloc(sizeof(struct bfad_fcxp), GFP_KERNEL); if (drv_fcxp == NULL) { + kfree(bsg_fcpt); rc = -ENOMEM; goto out; } diff --git a/drivers/scsi/bfa/bfad_bsg.h b/drivers/scsi/bfa/bfad_bsg.h index e859adb9aa9..17ad6728313 100644 --- a/drivers/scsi/bfa/bfad_bsg.h +++ b/drivers/scsi/bfa/bfad_bsg.h @@ -83,8 +83,6 @@ enum { IOCMD_PORT_CFG_MODE, IOCMD_FLASH_ENABLE_OPTROM, IOCMD_FLASH_DISABLE_OPTROM, - IOCMD_FAA_ENABLE, - IOCMD_FAA_DISABLE, IOCMD_FAA_QUERY, IOCMD_CEE_GET_ATTR, IOCMD_CEE_GET_STATS, diff --git a/drivers/scsi/bfa/bfad_drv.h b/drivers/scsi/bfa/bfad_drv.h index dc5b9d99c45..7f74f1d1912 100644 --- a/drivers/scsi/bfa/bfad_drv.h +++ b/drivers/scsi/bfa/bfad_drv.h @@ -56,7 +56,7 @@ #ifdef BFA_DRIVER_VERSION #define BFAD_DRIVER_VERSION BFA_DRIVER_VERSION #else -#define BFAD_DRIVER_VERSION "3.0.2.2" +#define BFAD_DRIVER_VERSION "3.0.23.0" #endif #define BFAD_PROTO_NAME FCPI_NAME diff --git a/drivers/scsi/bfa/bfi_ms.h b/drivers/scsi/bfa/bfi_ms.h index 0d9f1fb50db..d4220e13caf 100644 --- a/drivers/scsi/bfa/bfi_ms.h +++ b/drivers/scsi/bfa/bfi_ms.h @@ -28,17 +28,15 @@ enum bfi_iocfc_h2i_msgs { BFI_IOCFC_H2I_CFG_REQ = 1, BFI_IOCFC_H2I_SET_INTR_REQ = 2, BFI_IOCFC_H2I_UPDATEQ_REQ = 3, - BFI_IOCFC_H2I_FAA_ENABLE_REQ = 4, - BFI_IOCFC_H2I_FAA_DISABLE_REQ = 5, - BFI_IOCFC_H2I_FAA_QUERY_REQ = 6, + BFI_IOCFC_H2I_FAA_QUERY_REQ = 4, + BFI_IOCFC_H2I_ADDR_REQ = 5, }; enum bfi_iocfc_i2h_msgs { BFI_IOCFC_I2H_CFG_REPLY = BFA_I2HM(1), BFI_IOCFC_I2H_UPDATEQ_RSP = BFA_I2HM(3), - BFI_IOCFC_I2H_FAA_ENABLE_RSP = BFA_I2HM(4), - BFI_IOCFC_I2H_FAA_DISABLE_RSP = BFA_I2HM(5), - BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(6), + BFI_IOCFC_I2H_FAA_QUERY_RSP = BFA_I2HM(4), + BFI_IOCFC_I2H_ADDR_MSG = BFA_I2HM(5), }; struct bfi_iocfc_cfg_s { @@ -184,6 +182,13 @@ struct bfi_faa_en_dis_s { struct bfi_mhdr_s mh; /* common msg header */ }; +struct bfi_faa_addr_msg_s { + struct bfi_mhdr_s mh; /* common msg header */ + u8 rsvd[4]; + wwn_t pwwn; /* Fabric acquired PWWN */ + wwn_t nwwn; /* Fabric acquired PWWN */ +}; + /* * BFI_IOCFC_H2I_FAA_QUERY_REQ message */ diff --git a/drivers/scsi/bfa/bfi_reg.h b/drivers/scsi/bfa/bfi_reg.h index d892064b64a..ed5f159e186 100644 --- a/drivers/scsi/bfa/bfi_reg.h +++ b/drivers/scsi/bfa/bfi_reg.h @@ -335,11 +335,17 @@ enum { #define __PMM_1T_PNDB_P 0x00000002 #define CT2_PMM_1T_CONTROL_REG_P1 0x00023c1c #define CT2_WGN_STATUS 0x00014990 +#define __A2T_AHB_LOAD 0x00000800 #define __WGN_READY 0x00000400 #define __GLBL_PF_VF_CFG_RDY 0x00000200 +#define CT2_NFC_CSR_CLR_REG 0x00027420 #define CT2_NFC_CSR_SET_REG 0x00027424 #define __HALT_NFC_CONTROLLER 0x00000002 #define __NFC_CONTROLLER_HALTED 0x00001000 +#define CT2_RSC_GPR15_REG 0x0002765c +#define CT2_CSI_FW_CTL_REG 0x00027080 +#define CT2_CSI_FW_CTL_SET_REG 0x00027088 +#define __RESET_AND_START_SCLK_LCLK_PLLS 0x00010000 #define CT2_CSI_MAC0_CONTROL_REG 0x000270d0 #define __CSI_MAC_RESET 0x00000010 diff --git a/drivers/scsi/bnx2fc/bnx2fc.h b/drivers/scsi/bnx2fc/bnx2fc.h index 049ea907e04..a4953ef9e53 100644 --- a/drivers/scsi/bnx2fc/bnx2fc.h +++ b/drivers/scsi/bnx2fc/bnx2fc.h @@ -62,7 +62,7 @@ #include "bnx2fc_constants.h" #define BNX2FC_NAME "bnx2fc" -#define BNX2FC_VERSION "1.0.9" +#define BNX2FC_VERSION "1.0.10" #define PFX "bnx2fc: " @@ -114,6 +114,8 @@ #define BNX2FC_HASH_TBL_CHUNK_SIZE (16 * 1024) #define BNX2FC_MAX_SEQS 255 +#define BNX2FC_MAX_RETRY_CNT 3 +#define BNX2FC_MAX_RPORT_RETRY_CNT 255 #define BNX2FC_READ (1 << 1) #define BNX2FC_WRITE (1 << 0) @@ -121,8 +123,10 @@ #define BNX2FC_MIN_XID 0 #define BNX2FC_MAX_XID \ (BNX2FC_MAX_OUTSTANDING_CMNDS + BNX2FC_ELSTM_XIDS - 1) +#define FCOE_MAX_NUM_XIDS 0x2000 #define FCOE_MIN_XID (BNX2FC_MAX_XID + 1) -#define FCOE_MAX_XID (FCOE_MIN_XID + 4095) +#define FCOE_MAX_XID (FCOE_MIN_XID + FCOE_MAX_NUM_XIDS - 1) +#define FCOE_XIDS_PER_CPU (FCOE_MIN_XID + (512 * nr_cpu_ids) - 1) #define BNX2FC_MAX_LUN 0xFFFF #define BNX2FC_MAX_FCP_TGT 256 #define BNX2FC_MAX_CMD_LEN 16 diff --git a/drivers/scsi/bnx2fc/bnx2fc_constants.h b/drivers/scsi/bnx2fc/bnx2fc_constants.h index 399cda047a7..dad9924abbb 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_constants.h +++ b/drivers/scsi/bnx2fc/bnx2fc_constants.h @@ -7,7 +7,7 @@ /* Current FCoE HSI version number composed of two fields (16 bit) */ /* Implies on a change broken previous HSI */ -#define FCOE_HSI_MAJOR_VERSION (1) +#define FCOE_HSI_MAJOR_VERSION (2) /* Implies on a change which does not broken previous HSI */ #define FCOE_HSI_MINOR_VERSION (1) @@ -47,6 +47,7 @@ #define FCOE_KCQE_COMPLETION_STATUS_CTX_FREE_FAILURE (0x4) #define FCOE_KCQE_COMPLETION_STATUS_NIC_ERROR (0x5) #define FCOE_KCQE_COMPLETION_STATUS_WRONG_HSI_VERSION (0x6) +#define FCOE_KCQE_COMPLETION_STATUS_PARITY_ERROR (0x81) /* CQE type */ #define FCOE_PENDING_CQE_TYPE 0 diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 8c6156a10d9..c1c6a92a0b9 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -22,7 +22,7 @@ DEFINE_PER_CPU(struct bnx2fc_percpu_s, bnx2fc_percpu); #define DRV_MODULE_NAME "bnx2fc" #define DRV_MODULE_VERSION BNX2FC_VERSION -#define DRV_MODULE_RELDATE "Oct 21, 2011" +#define DRV_MODULE_RELDATE "Jan 22, 2011" static char version[] __devinitdata = @@ -322,8 +322,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp) return -ENOMEM; } frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1]; - cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ) - + frag->page_offset; + cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset; } else { cp = (struct fcoe_crc_eof *)skb_put(skb, tlen); } @@ -332,7 +331,7 @@ static int bnx2fc_xmit(struct fc_lport *lport, struct fc_frame *fp) cp->fcoe_eof = eof; cp->fcoe_crc32 = cpu_to_le32(~crc); if (skb_is_nonlinear(skb)) { - kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ); + kunmap_atomic(cp); cp = NULL; } @@ -440,13 +439,13 @@ static int bnx2fc_rcv(struct sk_buff *skb, struct net_device *dev, fr->fr_dev = lport; bg = &bnx2fc_global; - spin_lock_bh(&bg->fcoe_rx_list.lock); + spin_lock(&bg->fcoe_rx_list.lock); __skb_queue_tail(&bg->fcoe_rx_list, skb); if (bg->fcoe_rx_list.qlen == 1) wake_up_process(bg->thread); - spin_unlock_bh(&bg->fcoe_rx_list.lock); + spin_unlock(&bg->fcoe_rx_list.lock); return 0; err: @@ -940,8 +939,14 @@ static int bnx2fc_libfc_config(struct fc_lport *lport) static int bnx2fc_em_config(struct fc_lport *lport) { + int max_xid; + + if (nr_cpu_ids <= 2) + max_xid = FCOE_XIDS_PER_CPU; + else + max_xid = FCOE_MAX_XID; if (!fc_exch_mgr_alloc(lport, FC_CLASS_3, FCOE_MIN_XID, - FCOE_MAX_XID, NULL)) { + max_xid, NULL)) { printk(KERN_ERR PFX "em_config:fc_exch_mgr_alloc failed\n"); return -ENOMEM; } @@ -953,8 +958,8 @@ static int bnx2fc_lport_config(struct fc_lport *lport) { lport->link_up = 0; lport->qfull = 0; - lport->max_retry_count = 3; - lport->max_rport_retry_count = 3; + lport->max_retry_count = BNX2FC_MAX_RETRY_CNT; + lport->max_rport_retry_count = BNX2FC_MAX_RPORT_RETRY_CNT; lport->e_d_tov = 2 * 1000; lport->r_a_tov = 10 * 1000; @@ -1537,6 +1542,7 @@ static void __bnx2fc_destroy(struct bnx2fc_interface *interface) static int bnx2fc_destroy(struct net_device *netdev) { struct bnx2fc_interface *interface = NULL; + struct workqueue_struct *timer_work_queue; int rc = 0; rtnl_lock(); @@ -1549,9 +1555,9 @@ static int bnx2fc_destroy(struct net_device *netdev) goto netdev_err; } - - destroy_workqueue(interface->timer_work_queue); + timer_work_queue = interface->timer_work_queue; __bnx2fc_destroy(interface); + destroy_workqueue(timer_work_queue); netdev_err: mutex_unlock(&bnx2fc_dev_lock); @@ -2055,6 +2061,7 @@ if_create_err: ifput_err: bnx2fc_net_cleanup(interface); bnx2fc_interface_put(interface); + goto mod_err; netdev_err: module_put(THIS_MODULE); mod_err: diff --git a/drivers/scsi/bnx2fc/bnx2fc_hwi.c b/drivers/scsi/bnx2fc/bnx2fc_hwi.c index 1923a25cb6a..afd570962b8 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_hwi.c +++ b/drivers/scsi/bnx2fc/bnx2fc_hwi.c @@ -1716,15 +1716,19 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, /* Tx only */ bd_count = bd_tbl->bd_valid; + cached_sge = &task->rxwr_only.union_ctx.read_info.sgl_ctx.cached_sge; if (task_type == FCOE_TASK_TYPE_WRITE) { if ((dev_type == TYPE_DISK) && (bd_count == 1)) { struct fcoe_bd_ctx *fcoe_bd_tbl = bd_tbl->bd_tbl; task->txwr_only.sgl_ctx.cached_sge.cur_buf_addr.lo = + cached_sge->cur_buf_addr.lo = fcoe_bd_tbl->buf_addr_lo; task->txwr_only.sgl_ctx.cached_sge.cur_buf_addr.hi = + cached_sge->cur_buf_addr.hi = fcoe_bd_tbl->buf_addr_hi; task->txwr_only.sgl_ctx.cached_sge.cur_buf_rem = + cached_sge->cur_buf_rem = fcoe_bd_tbl->buf_len; task->txwr_rxrd.const_ctx.init_flags |= 1 << @@ -1790,11 +1794,13 @@ void bnx2fc_init_task(struct bnx2fc_cmd *io_req, task->rxwr_txrd.var_ctx.rx_id = 0xffff; /* Rx Only */ - cached_sge = &task->rxwr_only.union_ctx.read_info.sgl_ctx.cached_sge; + if (task_type != FCOE_TASK_TYPE_READ) + return; + sgl = &task->rxwr_only.union_ctx.read_info.sgl_ctx.sgl; bd_count = bd_tbl->bd_valid; - if (task_type == FCOE_TASK_TYPE_READ && - dev_type == TYPE_DISK) { + + if (dev_type == TYPE_DISK) { if (bd_count == 1) { struct fcoe_bd_ctx *fcoe_bd_tbl = bd_tbl->bd_tbl; diff --git a/drivers/scsi/bnx2fc/bnx2fc_io.c b/drivers/scsi/bnx2fc/bnx2fc_io.c index 84a78af83f9..e897ce975bb 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_io.c +++ b/drivers/scsi/bnx2fc/bnx2fc_io.c @@ -1682,9 +1682,7 @@ void bnx2fc_build_fcp_cmnd(struct bnx2fc_cmd *io_req, memset(fcp_cmnd, 0, sizeof(struct fcp_cmnd)); - int_to_scsilun(sc_cmd->device->lun, - (struct scsi_lun *) fcp_cmnd->fc_lun); - + int_to_scsilun(sc_cmd->device->lun, &fcp_cmnd->fc_lun); fcp_cmnd->fc_dl = htonl(io_req->data_xfer_len); memcpy(fcp_cmnd->fc_cdb, sc_cmd->cmnd, sc_cmd->cmd_len); diff --git a/drivers/scsi/bnx2i/57xx_iscsi_constants.h b/drivers/scsi/bnx2i/57xx_iscsi_constants.h index 57515f1f169..495a841645f 100644 --- a/drivers/scsi/bnx2i/57xx_iscsi_constants.h +++ b/drivers/scsi/bnx2i/57xx_iscsi_constants.h @@ -122,6 +122,7 @@ #define ISCSI_KCQE_COMPLETION_STATUS_LOM_ISCSI_NOT_ENABLED (0x51) #define ISCSI_KCQE_COMPLETION_STATUS_CID_BUSY (0x80) +#define ISCSI_KCQE_COMPLETION_STATUS_PARITY_ERR (0x81) /* SQ/RQ/CQ DB structure sizes */ #define ISCSI_SQ_DB_SIZE (16) diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c index 1ad0b822556..f9d6f412909 100644 --- a/drivers/scsi/bnx2i/bnx2i_hwi.c +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c @@ -1312,14 +1312,18 @@ int bnx2i_send_fw_iscsi_init_msg(struct bnx2i_hba *hba) ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_EXP_DATASN) | /* EMC */ (1ULL << ISCSI_KCQE_COMPLETION_STATUS_PROTOCOL_ERR_LUN)); - if (error_mask1) + if (error_mask1) { iscsi_init2.error_bit_map[0] = error_mask1; - else + mask64 &= (u32)(~mask64); + mask64 |= error_mask1; + } else iscsi_init2.error_bit_map[0] = (u32) mask64; - if (error_mask2) + if (error_mask2) { iscsi_init2.error_bit_map[1] = error_mask2; - else + mask64 &= 0xffffffff; + mask64 |= ((u64)error_mask2 << 32); + } else iscsi_init2.error_bit_map[1] = (u32) (mask64 >> 32); iscsi_error_mask = mask64; diff --git a/drivers/scsi/bnx2i/bnx2i_init.c b/drivers/scsi/bnx2i/bnx2i_init.c index 1a947f1b972..4927cca733d 100644 --- a/drivers/scsi/bnx2i/bnx2i_init.c +++ b/drivers/scsi/bnx2i/bnx2i_init.c @@ -49,11 +49,11 @@ module_param(en_tcp_dack, int, 0664); MODULE_PARM_DESC(en_tcp_dack, "Enable TCP Delayed ACK"); unsigned int error_mask1 = 0x00; -module_param(error_mask1, int, 0664); +module_param(error_mask1, uint, 0664); MODULE_PARM_DESC(error_mask1, "Config FW iSCSI Error Mask #1"); unsigned int error_mask2 = 0x00; -module_param(error_mask2, int, 0664); +module_param(error_mask2, uint, 0664); MODULE_PARM_DESC(error_mask2, "Config FW iSCSI Error Mask #2"); unsigned int sq_size; @@ -393,8 +393,9 @@ static void bnx2i_percpu_thread_create(unsigned int cpu) p = &per_cpu(bnx2i_percpu, cpu); - thread = kthread_create(bnx2i_percpu_io_thread, (void *)p, - "bnx2i_thread/%d", cpu); + thread = kthread_create_on_node(bnx2i_percpu_io_thread, (void *)p, + cpu_to_node(cpu), + "bnx2i_thread/%d", cpu); /* bind thread to the cpu */ if (likely(!IS_ERR(thread))) { kthread_bind(thread, cpu); diff --git a/drivers/scsi/cxgbi/libcxgbi.c b/drivers/scsi/cxgbi/libcxgbi.c index d3ff9cd4023..d9253db1d0e 100644 --- a/drivers/scsi/cxgbi/libcxgbi.c +++ b/drivers/scsi/cxgbi/libcxgbi.c @@ -1956,12 +1956,11 @@ int cxgbi_conn_init_pdu(struct iscsi_task *task, unsigned int offset, /* data fits in the skb's headroom */ for (i = 0; i < tdata->nr_frags; i++, frag++) { - char *src = kmap_atomic(frag->page, - KM_SOFTIRQ0); + char *src = kmap_atomic(frag->page); memcpy(dst, src+frag->offset, frag->size); dst += frag->size; - kunmap_atomic(src, KM_SOFTIRQ0); + kunmap_atomic(src); } if (padlen) { memset(dst, 0, padlen); @@ -2148,11 +2147,10 @@ int cxgbi_set_conn_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf, int buflen) { struct iscsi_conn *conn = cls_conn->dd_data; - struct iscsi_session *session = conn->session; struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct cxgbi_conn *cconn = tcp_conn->dd_data; struct cxgbi_sock *csk = cconn->cep->csk; - int value, err = 0; + int err; log_debug(1 << CXGBI_DBG_ISCSI, "cls_conn 0x%p, param %d, buf(%d) %s.\n", @@ -2174,15 +2172,7 @@ int cxgbi_set_conn_param(struct iscsi_cls_conn *cls_conn, conn->datadgst_en, 0); break; case ISCSI_PARAM_MAX_R2T: - sscanf(buf, "%d", &value); - if (value <= 0 || !is_power_of_2(value)) - return -EINVAL; - if (session->max_r2t == value) - break; - iscsi_tcp_r2tpool_free(session); - err = iscsi_set_param(cls_conn, param, buf, buflen); - if (!err && iscsi_tcp_r2tpool_alloc(session)) - return -ENOMEM; + return iscsi_tcp_set_max_r2t(conn, buf); case ISCSI_PARAM_MAX_RECV_DLENGTH: err = iscsi_set_param(cls_conn, param, buf, buflen); if (!err) diff --git a/drivers/scsi/device_handler/scsi_dh_rdac.c b/drivers/scsi/device_handler/scsi_dh_rdac.c index 53a31c753cb..20c4557f5ab 100644 --- a/drivers/scsi/device_handler/scsi_dh_rdac.c +++ b/drivers/scsi/device_handler/scsi_dh_rdac.c @@ -364,10 +364,7 @@ static void release_controller(struct kref *kref) struct rdac_controller *ctlr; ctlr = container_of(kref, struct rdac_controller, kref); - flush_workqueue(kmpath_rdacd); - spin_lock(&list_lock); list_del(&ctlr->node); - spin_unlock(&list_lock); kfree(ctlr); } @@ -376,20 +373,17 @@ static struct rdac_controller *get_controller(int index, char *array_name, { struct rdac_controller *ctlr, *tmp; - spin_lock(&list_lock); - list_for_each_entry(tmp, &ctlr_list, node) { if ((memcmp(tmp->array_id, array_id, UNIQUE_ID_LEN) == 0) && (tmp->index == index) && (tmp->host == sdev->host)) { kref_get(&tmp->kref); - spin_unlock(&list_lock); return tmp; } } ctlr = kmalloc(sizeof(*ctlr), GFP_ATOMIC); if (!ctlr) - goto done; + return NULL; /* initialize fields of controller */ memcpy(ctlr->array_id, array_id, UNIQUE_ID_LEN); @@ -405,8 +399,7 @@ static struct rdac_controller *get_controller(int index, char *array_name, INIT_WORK(&ctlr->ms_work, send_mode_select); INIT_LIST_HEAD(&ctlr->ms_head); list_add(&ctlr->node, &ctlr_list); -done: - spin_unlock(&list_lock); + return ctlr; } @@ -517,9 +510,12 @@ static int initialize_controller(struct scsi_device *sdev, index = 0; else index = 1; + + spin_lock(&list_lock); h->ctlr = get_controller(index, array_name, array_id, sdev); if (!h->ctlr) err = SCSI_DH_RES_TEMP_UNAVAIL; + spin_unlock(&list_lock); } return err; } @@ -906,7 +902,9 @@ static int rdac_bus_attach(struct scsi_device *sdev) return 0; clean_ctlr: + spin_lock(&list_lock); kref_put(&h->ctlr->kref, release_controller); + spin_unlock(&list_lock); failed: kfree(scsi_dh_data); @@ -921,14 +919,19 @@ static void rdac_bus_detach( struct scsi_device *sdev ) struct rdac_dh_data *h; unsigned long flags; - spin_lock_irqsave(sdev->request_queue->queue_lock, flags); scsi_dh_data = sdev->scsi_dh_data; + h = (struct rdac_dh_data *) scsi_dh_data->buf; + if (h->ctlr && h->ctlr->ms_queued) + flush_workqueue(kmpath_rdacd); + + spin_lock_irqsave(sdev->request_queue->queue_lock, flags); sdev->scsi_dh_data = NULL; spin_unlock_irqrestore(sdev->request_queue->queue_lock, flags); - h = (struct rdac_dh_data *) scsi_dh_data->buf; + spin_lock(&list_lock); if (h->ctlr) kref_put(&h->ctlr->kref, release_controller); + spin_unlock(&list_lock); kfree(scsi_dh_data); module_put(THIS_MODULE); sdev_printk(KERN_NOTICE, sdev, "%s: Detached\n", RDAC_NAME); diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c index c2677ba29c7..4b11bb04f5c 100644 --- a/drivers/scsi/dtc.c +++ b/drivers/scsi/dtc.c @@ -72,7 +72,6 @@ #endif -#include <asm/system.h> #include <linux/module.h> #include <linux/signal.h> #include <linux/blkdev.h> diff --git a/drivers/scsi/fcoe/fcoe.c b/drivers/scsi/fcoe/fcoe.c index e9599600aa2..335e8519280 100644 --- a/drivers/scsi/fcoe/fcoe.c +++ b/drivers/scsi/fcoe/fcoe.c @@ -168,6 +168,14 @@ static struct fc_function_template fcoe_nport_fc_functions = { .show_host_supported_fc4s = 1, .show_host_active_fc4s = 1, .show_host_maxframe_size = 1, + .show_host_serial_number = 1, + .show_host_manufacturer = 1, + .show_host_model = 1, + .show_host_model_description = 1, + .show_host_hardware_version = 1, + .show_host_driver_version = 1, + .show_host_firmware_version = 1, + .show_host_optionrom_version = 1, .show_host_port_id = 1, .show_host_supported_speeds = 1, @@ -208,6 +216,14 @@ static struct fc_function_template fcoe_vport_fc_functions = { .show_host_supported_fc4s = 1, .show_host_active_fc4s = 1, .show_host_maxframe_size = 1, + .show_host_serial_number = 1, + .show_host_manufacturer = 1, + .show_host_model = 1, + .show_host_model_description = 1, + .show_host_hardware_version = 1, + .show_host_driver_version = 1, + .show_host_firmware_version = 1, + .show_host_optionrom_version = 1, .show_host_port_id = 1, .show_host_supported_speeds = 1, @@ -364,11 +380,10 @@ static struct fcoe_interface *fcoe_interface_create(struct net_device *netdev, if (!fcoe) { FCOE_NETDEV_DBG(netdev, "Could not allocate fcoe structure\n"); fcoe = ERR_PTR(-ENOMEM); - goto out_nomod; + goto out_putmod; } dev_hold(netdev); - kref_init(&fcoe->kref); /* * Initialize FIP. @@ -384,54 +399,18 @@ static struct fcoe_interface *fcoe_interface_create(struct net_device *netdev, kfree(fcoe); dev_put(netdev); fcoe = ERR_PTR(err); - goto out_nomod; + goto out_putmod; } goto out; -out_nomod: +out_putmod: module_put(THIS_MODULE); out: return fcoe; } /** - * fcoe_interface_release() - fcoe_port kref release function - * @kref: Embedded reference count in an fcoe_interface struct - */ -static void fcoe_interface_release(struct kref *kref) -{ - struct fcoe_interface *fcoe; - struct net_device *netdev; - - fcoe = container_of(kref, struct fcoe_interface, kref); - netdev = fcoe->netdev; - /* tear-down the FCoE controller */ - fcoe_ctlr_destroy(&fcoe->ctlr); - kfree(fcoe); - dev_put(netdev); - module_put(THIS_MODULE); -} - -/** - * fcoe_interface_get() - Get a reference to a FCoE interface - * @fcoe: The FCoE interface to be held - */ -static inline void fcoe_interface_get(struct fcoe_interface *fcoe) -{ - kref_get(&fcoe->kref); -} - -/** - * fcoe_interface_put() - Put a reference to a FCoE interface - * @fcoe: The FCoE interface to be released - */ -static inline void fcoe_interface_put(struct fcoe_interface *fcoe) -{ - kref_put(&fcoe->kref, fcoe_interface_release); -} - -/** * fcoe_interface_cleanup() - Clean up a FCoE interface * @fcoe: The FCoE interface to be cleaned up * @@ -478,7 +457,11 @@ static void fcoe_interface_cleanup(struct fcoe_interface *fcoe) rtnl_unlock(); /* Release the self-reference taken during fcoe_interface_create() */ - fcoe_interface_put(fcoe); + /* tear-down the FCoE controller */ + fcoe_ctlr_destroy(fip); + kfree(fcoe); + dev_put(netdev); + module_put(THIS_MODULE); } /** @@ -734,6 +717,85 @@ static int fcoe_shost_config(struct fc_lport *lport, struct device *dev) return 0; } + +/** + * fcoe_fdmi_info() - Get FDMI related info from net devive for SW FCoE + * @lport: The local port that is associated with the net device + * @netdev: The associated net device + * + * Must be called after fcoe_shost_config() as it will use local port mutex + * + */ +static void fcoe_fdmi_info(struct fc_lport *lport, struct net_device *netdev) +{ + struct fcoe_interface *fcoe; + struct fcoe_port *port; + struct net_device *realdev; + int rc; + struct netdev_fcoe_hbainfo fdmi; + + port = lport_priv(lport); + fcoe = port->priv; + realdev = fcoe->realdev; + + if (!realdev) + return; + + /* No FDMI state m/c for NPIV ports */ + if (lport->vport) + return; + + if (realdev->netdev_ops->ndo_fcoe_get_hbainfo) { + memset(&fdmi, 0, sizeof(fdmi)); + rc = realdev->netdev_ops->ndo_fcoe_get_hbainfo(realdev, + &fdmi); + if (rc) { + printk(KERN_INFO "fcoe: Failed to retrieve FDMI " + "information from netdev.\n"); + return; + } + + snprintf(fc_host_serial_number(lport->host), + FC_SERIAL_NUMBER_SIZE, + "%s", + fdmi.serial_number); + snprintf(fc_host_manufacturer(lport->host), + FC_SERIAL_NUMBER_SIZE, + "%s", + fdmi.manufacturer); + snprintf(fc_host_model(lport->host), + FC_SYMBOLIC_NAME_SIZE, + "%s", + fdmi.model); + snprintf(fc_host_model_description(lport->host), + FC_SYMBOLIC_NAME_SIZE, + "%s", + fdmi.model_description); + snprintf(fc_host_hardware_version(lport->host), + FC_VERSION_STRING_SIZE, + "%s", + fdmi.hardware_version); + snprintf(fc_host_driver_version(lport->host), + FC_VERSION_STRING_SIZE, + "%s", + fdmi.driver_version); + snprintf(fc_host_optionrom_version(lport->host), + FC_VERSION_STRING_SIZE, + "%s", + fdmi.optionrom_version); + snprintf(fc_host_firmware_version(lport->host), + FC_VERSION_STRING_SIZE, + "%s", + fdmi.firmware_version); + + /* Enable FDMI lport states */ + lport->fdmi_enabled = 1; + } else { + lport->fdmi_enabled = 0; + printk(KERN_INFO "fcoe: No FDMI support.\n"); + } +} + /** * fcoe_oem_match() - The match routine for the offloaded exchange manager * @fp: The I/O frame @@ -881,9 +943,6 @@ static void fcoe_if_destroy(struct fc_lport *lport) dev_uc_del(netdev, port->data_src_addr); rtnl_unlock(); - /* Release reference held in fcoe_if_create() */ - fcoe_interface_put(fcoe); - /* Free queued packets for the per-CPU receive threads */ fcoe_percpu_clean(lport); @@ -1047,6 +1106,9 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe, goto out_lp_destroy; } + /* Initialized FDMI information */ + fcoe_fdmi_info(lport, netdev); + /* * fcoe_em_alloc() and fcoe_hostlist_add() both * need to be atomic with respect to other changes to the @@ -1070,7 +1132,6 @@ static struct fc_lport *fcoe_if_create(struct fcoe_interface *fcoe, goto out_lp_destroy; } - fcoe_interface_get(fcoe); return lport; out_lp_destroy: @@ -1375,7 +1436,7 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev, goto err; fps = &per_cpu(fcoe_percpu, cpu); - spin_lock_bh(&fps->fcoe_rx_list.lock); + spin_lock(&fps->fcoe_rx_list.lock); if (unlikely(!fps->thread)) { /* * The targeted CPU is not ready, let's target @@ -1386,12 +1447,12 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev, "ready for incoming skb- using first online " "CPU.\n"); - spin_unlock_bh(&fps->fcoe_rx_list.lock); + spin_unlock(&fps->fcoe_rx_list.lock); cpu = cpumask_first(cpu_online_mask); fps = &per_cpu(fcoe_percpu, cpu); - spin_lock_bh(&fps->fcoe_rx_list.lock); + spin_lock(&fps->fcoe_rx_list.lock); if (!fps->thread) { - spin_unlock_bh(&fps->fcoe_rx_list.lock); + spin_unlock(&fps->fcoe_rx_list.lock); goto err; } } @@ -1402,24 +1463,17 @@ static int fcoe_rcv(struct sk_buff *skb, struct net_device *netdev, * so we're free to queue skbs into it's queue. */ - /* If this is a SCSI-FCP frame, and this is already executing on the - * correct CPU, and the queue for this CPU is empty, then go ahead - * and process the frame directly in the softirq context. - * This lets us process completions without context switching from the - * NET_RX softirq, to our receive processing thread, and then back to - * BLOCK softirq context. + /* + * Note: We used to have a set of conditions under which we would + * call fcoe_recv_frame directly, rather than queuing to the rx list + * as it could save a few cycles, but doing so is prohibited, as + * fcoe_recv_frame has several paths that may sleep, which is forbidden + * in softirq context. */ - if (fh->fh_type == FC_TYPE_FCP && - cpu == smp_processor_id() && - skb_queue_empty(&fps->fcoe_rx_list)) { - spin_unlock_bh(&fps->fcoe_rx_list.lock); - fcoe_recv_frame(skb); - } else { - __skb_queue_tail(&fps->fcoe_rx_list, skb); - if (fps->fcoe_rx_list.qlen == 1) - wake_up_process(fps->thread); - spin_unlock_bh(&fps->fcoe_rx_list.lock); - } + __skb_queue_tail(&fps->fcoe_rx_list, skb); + if (fps->thread->state == TASK_INTERRUPTIBLE) + wake_up_process(fps->thread); + spin_unlock(&fps->fcoe_rx_list.lock); return 0; err: @@ -1498,7 +1552,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp) /* crc offload */ if (likely(lport->crc_offload)) { - skb->ip_summed = CHECKSUM_PARTIAL; + skb->ip_summed = CHECKSUM_UNNECESSARY; skb->csum_start = skb_headroom(skb); skb->csum_offset = skb->len; crc = 0; @@ -1515,7 +1569,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp) return -ENOMEM; } frag = &skb_shinfo(skb)->frags[skb_shinfo(skb)->nr_frags - 1]; - cp = kmap_atomic(skb_frag_page(frag), KM_SKB_DATA_SOFTIRQ) + cp = kmap_atomic(skb_frag_page(frag)) + frag->page_offset; } else { cp = (struct fcoe_crc_eof *)skb_put(skb, tlen); @@ -1526,7 +1580,7 @@ static int fcoe_xmit(struct fc_lport *lport, struct fc_frame *fp) cp->fcoe_crc32 = cpu_to_le32(~crc); if (skb_is_nonlinear(skb)) { - kunmap_atomic(cp, KM_SKB_DATA_SOFTIRQ); + kunmap_atomic(cp); cp = NULL; } @@ -1736,23 +1790,29 @@ static int fcoe_percpu_receive_thread(void *arg) { struct fcoe_percpu_s *p = arg; struct sk_buff *skb; + struct sk_buff_head tmp; + + skb_queue_head_init(&tmp); set_user_nice(current, -20); while (!kthread_should_stop()) { spin_lock_bh(&p->fcoe_rx_list.lock); - while ((skb = __skb_dequeue(&p->fcoe_rx_list)) == NULL) { + skb_queue_splice_init(&p->fcoe_rx_list, &tmp); + spin_unlock_bh(&p->fcoe_rx_list.lock); + + while ((skb = __skb_dequeue(&tmp)) != NULL) + fcoe_recv_frame(skb); + + spin_lock_bh(&p->fcoe_rx_list.lock); + if (!skb_queue_len(&p->fcoe_rx_list)) { set_current_state(TASK_INTERRUPTIBLE); spin_unlock_bh(&p->fcoe_rx_list.lock); schedule(); set_current_state(TASK_RUNNING); - if (kthread_should_stop()) - return 0; - spin_lock_bh(&p->fcoe_rx_list.lock); - } - spin_unlock_bh(&p->fcoe_rx_list.lock); - fcoe_recv_frame(skb); + } else + spin_unlock_bh(&p->fcoe_rx_list.lock); } return 0; } @@ -2009,20 +2069,13 @@ static void fcoe_destroy_work(struct work_struct *work) { struct fcoe_port *port; struct fcoe_interface *fcoe; - int npiv = 0; port = container_of(work, struct fcoe_port, destroy_work); mutex_lock(&fcoe_config_mutex); - /* set if this is an NPIV port */ - npiv = port->lport->vport ? 1 : 0; - fcoe = port->priv; fcoe_if_destroy(port->lport); - - /* Do not tear down the fcoe interface for NPIV port */ - if (!npiv) - fcoe_interface_cleanup(fcoe); + fcoe_interface_cleanup(fcoe); mutex_unlock(&fcoe_config_mutex); } @@ -2133,8 +2186,12 @@ static int fcoe_create(struct net_device *netdev, enum fip_state fip_mode) /* start FIP Discovery and FLOGI */ lport->boot_time = jiffies; fc_fabric_login(lport); - if (!fcoe_link_ok(lport)) + if (!fcoe_link_ok(lport)) { + rtnl_unlock(); fcoe_ctlr_link_up(&fcoe->ctlr); + mutex_unlock(&fcoe_config_mutex); + return rc; + } out_nodev: rtnl_unlock(); @@ -2207,31 +2264,14 @@ static int fcoe_link_ok(struct fc_lport *lport) static void fcoe_percpu_clean(struct fc_lport *lport) { struct fcoe_percpu_s *pp; - struct fcoe_rcv_info *fr; - struct sk_buff_head *list; - struct sk_buff *skb, *next; - struct sk_buff *head; + struct sk_buff *skb; unsigned int cpu; for_each_possible_cpu(cpu) { pp = &per_cpu(fcoe_percpu, cpu); - spin_lock_bh(&pp->fcoe_rx_list.lock); - list = &pp->fcoe_rx_list; - head = list->next; - for (skb = head; skb != (struct sk_buff *)list; - skb = next) { - next = skb->next; - fr = fcoe_dev_from_skb(skb); - if (fr->fr_dev == lport) { - __skb_unlink(skb, list); - kfree_skb(skb); - } - } - if (!pp->thread || !cpu_online(cpu)) { - spin_unlock_bh(&pp->fcoe_rx_list.lock); + if (!pp->thread || !cpu_online(cpu)) continue; - } skb = dev_alloc_skb(0); if (!skb) { @@ -2240,6 +2280,7 @@ static void fcoe_percpu_clean(struct fc_lport *lport) } skb->destructor = fcoe_percpu_flush_done; + spin_lock_bh(&pp->fcoe_rx_list.lock); __skb_queue_tail(&pp->fcoe_rx_list, skb); if (pp->fcoe_rx_list.qlen == 1) wake_up_process(pp->thread); @@ -2593,12 +2634,15 @@ static int fcoe_vport_destroy(struct fc_vport *vport) struct Scsi_Host *shost = vport_to_shost(vport); struct fc_lport *n_port = shost_priv(shost); struct fc_lport *vn_port = vport->dd_data; - struct fcoe_port *port = lport_priv(vn_port); mutex_lock(&n_port->lp_mutex); list_del(&vn_port->list); mutex_unlock(&n_port->lp_mutex); - queue_work(fcoe_wq, &port->destroy_work); + + mutex_lock(&fcoe_config_mutex); + fcoe_if_destroy(vn_port); + mutex_unlock(&fcoe_config_mutex); + return 0; } diff --git a/drivers/scsi/fcoe/fcoe.h b/drivers/scsi/fcoe/fcoe.h index bcc89e63949..3c2733a12aa 100644 --- a/drivers/scsi/fcoe/fcoe.h +++ b/drivers/scsi/fcoe/fcoe.h @@ -71,8 +71,6 @@ do { \ * @ctlr: The FCoE controller (for FIP) * @oem: The offload exchange manager for all local port * instances associated with this port - * @kref: The kernel reference - * * This structure is 1:1 with a net devive. */ struct fcoe_interface { @@ -83,7 +81,6 @@ struct fcoe_interface { struct packet_type fip_packet_type; struct fcoe_ctlr ctlr; struct fc_exch_mgr *oem; - struct kref kref; }; #define fcoe_from_ctlr(fip) container_of(fip, struct fcoe_interface, ctlr) diff --git a/drivers/scsi/fcoe/fcoe_ctlr.c b/drivers/scsi/fcoe/fcoe_ctlr.c index e7522dcc296..249a106888d 100644 --- a/drivers/scsi/fcoe/fcoe_ctlr.c +++ b/drivers/scsi/fcoe/fcoe_ctlr.c @@ -242,7 +242,7 @@ static void fcoe_ctlr_announce(struct fcoe_ctlr *fip) printk(KERN_INFO "libfcoe: host%d: FIP selected " "Fibre-Channel Forwarder MAC %pM\n", fip->lp->host->host_no, sel->fcf_mac); - memcpy(fip->dest_addr, sel->fcf_mac, ETH_ALEN); + memcpy(fip->dest_addr, sel->fcoe_mac, ETH_ALEN); fip->map_dest = 0; } unlock: @@ -824,6 +824,7 @@ static int fcoe_ctlr_parse_adv(struct fcoe_ctlr *fip, memcpy(fcf->fcf_mac, ((struct fip_mac_desc *)desc)->fd_mac, ETH_ALEN); + memcpy(fcf->fcoe_mac, fcf->fcf_mac, ETH_ALEN); if (!is_valid_ether_addr(fcf->fcf_mac)) { LIBFCOE_FIP_DBG(fip, "Invalid MAC addr %pM in FIP adv\n", @@ -1013,6 +1014,7 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) struct fip_desc *desc; struct fip_encaps *els; struct fcoe_dev_stats *stats; + struct fcoe_fcf *sel; enum fip_desc_type els_dtype = 0; u8 els_op; u8 sub; @@ -1040,7 +1042,8 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) goto drop; /* Drop ELS if there are duplicate critical descriptors */ if (desc->fip_dtype < 32) { - if (desc_mask & 1U << desc->fip_dtype) { + if ((desc->fip_dtype != FIP_DT_MAC) && + (desc_mask & 1U << desc->fip_dtype)) { LIBFCOE_FIP_DBG(fip, "Duplicate Critical " "Descriptors in FIP ELS\n"); goto drop; @@ -1049,17 +1052,32 @@ static void fcoe_ctlr_recv_els(struct fcoe_ctlr *fip, struct sk_buff *skb) } switch (desc->fip_dtype) { case FIP_DT_MAC: + sel = fip->sel_fcf; if (desc_cnt == 1) { LIBFCOE_FIP_DBG(fip, "FIP descriptors " "received out of order\n"); goto drop; } + /* + * Some switch implementations send two MAC descriptors, + * with first MAC(granted_mac) being the FPMA, and the + * second one(fcoe_mac) is used as destination address + * for sending/receiving FCoE packets. FIP traffic is + * sent using fip_mac. For regular switches, both + * fip_mac and fcoe_mac would be the same. + */ + if (desc_cnt == 2) + memcpy(granted_mac, + ((struct fip_mac_desc *)desc)->fd_mac, + ETH_ALEN); if (dlen != sizeof(struct fip_mac_desc)) goto len_err; - memcpy(granted_mac, - ((struct fip_mac_desc *)desc)->fd_mac, - ETH_ALEN); + + if ((desc_cnt == 3) && (sel)) + memcpy(sel->fcoe_mac, + ((struct fip_mac_desc *)desc)->fd_mac, + ETH_ALEN); break; case FIP_DT_FLOGI: case FIP_DT_FDISC: @@ -1273,11 +1291,6 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip, * No Vx_Port description. Clear all NPIV ports, * followed by physical port */ - mutex_lock(&lport->lp_mutex); - list_for_each_entry(vn_port, &lport->vports, list) - fc_lport_reset(vn_port); - mutex_unlock(&lport->lp_mutex); - mutex_lock(&fip->ctlr_mutex); per_cpu_ptr(lport->dev_stats, get_cpu())->VLinkFailureCount++; @@ -1285,6 +1298,11 @@ static void fcoe_ctlr_recv_clr_vlink(struct fcoe_ctlr *fip, fcoe_ctlr_reset(fip); mutex_unlock(&fip->ctlr_mutex); + mutex_lock(&lport->lp_mutex); + list_for_each_entry(vn_port, &lport->vports, list) + fc_lport_reset(vn_port); + mutex_unlock(&lport->lp_mutex); + fc_lport_reset(fip->lp); fcoe_ctlr_solicit(fip, NULL); } else { diff --git a/drivers/scsi/fcoe/fcoe_transport.c b/drivers/scsi/fcoe/fcoe_transport.c index bd97b2273f2..710e149d41b 100644 --- a/drivers/scsi/fcoe/fcoe_transport.c +++ b/drivers/scsi/fcoe/fcoe_transport.c @@ -210,10 +210,9 @@ u32 fcoe_fc_crc(struct fc_frame *fp) while (len > 0) { clen = min(len, PAGE_SIZE - (off & ~PAGE_MASK)); data = kmap_atomic( - skb_frag_page(frag) + (off >> PAGE_SHIFT), - KM_SKB_DATA_SOFTIRQ); + skb_frag_page(frag) + (off >> PAGE_SHIFT)); crc = crc32(crc, data + (off & ~PAGE_MASK), clen); - kunmap_atomic(data, KM_SKB_DATA_SOFTIRQ); + kunmap_atomic(data); off += clen; len -= clen; } @@ -620,8 +619,8 @@ static int libfcoe_device_notification(struct notifier_block *notifier, switch (event) { case NETDEV_UNREGISTER: - printk(KERN_ERR "libfcoe_device_notification: NETDEV_UNREGISTER %s\n", - netdev->name); + LIBFCOE_TRANSPORT_DBG("NETDEV_UNREGISTER %s\n", + netdev->name); fcoe_del_netdev_mapping(netdev); break; } diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c index a2c6135d337..53bfcaa86f0 100644 --- a/drivers/scsi/fd_mcs.c +++ b/drivers/scsi/fd_mcs.c @@ -93,7 +93,6 @@ #include <linux/mca-legacy.h> #include <asm/io.h> -#include <asm/system.h> #include "scsi.h" #include <scsi/scsi_host.h> diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c index 643f6d500fe..1a2a1e5824e 100644 --- a/drivers/scsi/fdomain.c +++ b/drivers/scsi/fdomain.c @@ -282,7 +282,6 @@ #include <linux/slab.h> #include <scsi/scsicam.h> -#include <asm/system.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c index 81182badfeb..1a5954f0915 100644 --- a/drivers/scsi/g_NCR5380.c +++ b/drivers/scsi/g_NCR5380.c @@ -100,7 +100,6 @@ #undef NCR5380_STAT_LIMIT #endif -#include <asm/system.h> #include <asm/io.h> #include <linux/signal.h> #include <linux/blkdev.h> diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c index 3242bcabad9..5d72274c507 100644 --- a/drivers/scsi/gdth.c +++ b/drivers/scsi/gdth.c @@ -129,7 +129,6 @@ #include <linux/reboot.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <asm/uaccess.h> #include <linux/spinlock.h> @@ -2310,10 +2309,10 @@ static void gdth_copy_internal_data(gdth_ha_str *ha, Scsi_Cmnd *scp, return; } local_irq_save(flags); - address = kmap_atomic(sg_page(sl), KM_BIO_SRC_IRQ) + sl->offset; + address = kmap_atomic(sg_page(sl)) + sl->offset; memcpy(address, buffer, cpnow); flush_dcache_page(sg_page(sl)); - kunmap_atomic(address, KM_BIO_SRC_IRQ); + kunmap_atomic(address); local_irq_restore(flags); if (cpsum == cpcount) break; diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index b96962c3944..500e20dd56e 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -56,6 +56,7 @@ /* HPSA_DRIVER_VERSION must be 3 byte values (0-255) separated by '.' */ #define HPSA_DRIVER_VERSION "2.0.2-1" #define DRIVER_NAME "HP HPSA Driver (v " HPSA_DRIVER_VERSION ")" +#define HPSA "hpsa" /* How long to wait (in milliseconds) for board to go into simple mode */ #define MAX_CONFIG_WAIT 30000 @@ -202,30 +203,31 @@ static int check_for_unit_attention(struct ctlr_info *h, switch (c->err_info->SenseInfo[12]) { case STATE_CHANGED: - dev_warn(&h->pdev->dev, "hpsa%d: a state change " + dev_warn(&h->pdev->dev, HPSA "%d: a state change " "detected, command retried\n", h->ctlr); break; case LUN_FAILED: - dev_warn(&h->pdev->dev, "hpsa%d: LUN failure " + dev_warn(&h->pdev->dev, HPSA "%d: LUN failure " "detected, action required\n", h->ctlr); break; case REPORT_LUNS_CHANGED: - dev_warn(&h->pdev->dev, "hpsa%d: report LUN data " + dev_warn(&h->pdev->dev, HPSA "%d: report LUN data " "changed, action required\n", h->ctlr); /* - * Note: this REPORT_LUNS_CHANGED condition only occurs on the MSA2012. + * Note: this REPORT_LUNS_CHANGED condition only occurs on the external + * target (array) devices. */ break; case POWER_OR_RESET: - dev_warn(&h->pdev->dev, "hpsa%d: a power on " + dev_warn(&h->pdev->dev, HPSA "%d: a power on " "or device reset detected\n", h->ctlr); break; case UNIT_ATTENTION_CLEARED: - dev_warn(&h->pdev->dev, "hpsa%d: unit attention " + dev_warn(&h->pdev->dev, HPSA "%d: unit attention " "cleared by another initiator\n", h->ctlr); break; default: - dev_warn(&h->pdev->dev, "hpsa%d: unknown " + dev_warn(&h->pdev->dev, HPSA "%d: unknown " "unit attention detected\n", h->ctlr); break; } @@ -296,11 +298,23 @@ static u32 unresettable_controller[] = { 0x40800E11, /* Smart Array 5i */ 0x409C0E11, /* Smart Array 6400 */ 0x409D0E11, /* Smart Array 6400 EM */ + 0x40700E11, /* Smart Array 5300 */ + 0x40820E11, /* Smart Array 532 */ + 0x40830E11, /* Smart Array 5312 */ + 0x409A0E11, /* Smart Array 641 */ + 0x409B0E11, /* Smart Array 642 */ + 0x40910E11, /* Smart Array 6i */ }; /* List of controllers which cannot even be soft reset */ static u32 soft_unresettable_controller[] = { 0x40800E11, /* Smart Array 5i */ + 0x40700E11, /* Smart Array 5300 */ + 0x40820E11, /* Smart Array 532 */ + 0x40830E11, /* Smart Array 5312 */ + 0x409A0E11, /* Smart Array 641 */ + 0x409B0E11, /* Smart Array 642 */ + 0x40910E11, /* Smart Array 6i */ /* Exclude 640x boards. These are two pci devices in one slot * which share a battery backed cache module. One controls the * cache, the other accesses the cache through the one that controls @@ -475,8 +489,8 @@ static struct device_attribute *hpsa_shost_attrs[] = { static struct scsi_host_template hpsa_driver_template = { .module = THIS_MODULE, - .name = "hpsa", - .proc_name = "hpsa", + .name = HPSA, + .proc_name = HPSA, .queuecommand = hpsa_scsi_queue_command, .scan_start = hpsa_scan_start, .scan_finished = hpsa_scan_finished, @@ -577,21 +591,19 @@ static int hpsa_find_target_lun(struct ctlr_info *h, int i, found = 0; DECLARE_BITMAP(lun_taken, HPSA_MAX_DEVICES); - memset(&lun_taken[0], 0, HPSA_MAX_DEVICES >> 3); + bitmap_zero(lun_taken, HPSA_MAX_DEVICES); for (i = 0; i < h->ndevices; i++) { if (h->dev[i]->bus == bus && h->dev[i]->target != -1) - set_bit(h->dev[i]->target, lun_taken); + __set_bit(h->dev[i]->target, lun_taken); } - for (i = 0; i < HPSA_MAX_DEVICES; i++) { - if (!test_bit(i, lun_taken)) { - /* *bus = 1; */ - *target = i; - *lun = 0; - found = 1; - break; - } + i = find_first_zero_bit(lun_taken, HPSA_MAX_DEVICES); + if (i < HPSA_MAX_DEVICES) { + /* *bus = 1; */ + *target = i; + *lun = 0; + found = 1; } return !found; } @@ -675,6 +687,20 @@ lun_assigned: return 0; } +/* Update an entry in h->dev[] array. */ +static void hpsa_scsi_update_entry(struct ctlr_info *h, int hostno, + int entry, struct hpsa_scsi_dev_t *new_entry) +{ + /* assumes h->devlock is held */ + BUG_ON(entry < 0 || entry >= HPSA_MAX_DEVICES); + + /* Raid level changed. */ + h->dev[entry]->raid_level = new_entry->raid_level; + dev_info(&h->pdev->dev, "%s device c%db%dt%dl%d updated.\n", + scsi_device_type(new_entry->devtype), hostno, new_entry->bus, + new_entry->target, new_entry->lun); +} + /* Replace an entry from h->dev[] array. */ static void hpsa_scsi_replace_entry(struct ctlr_info *h, int hostno, int entry, struct hpsa_scsi_dev_t *new_entry, @@ -781,10 +807,25 @@ static inline int device_is_the_same(struct hpsa_scsi_dev_t *dev1, return 1; } +static inline int device_updated(struct hpsa_scsi_dev_t *dev1, + struct hpsa_scsi_dev_t *dev2) +{ + /* Device attributes that can change, but don't mean + * that the device is a different device, nor that the OS + * needs to be told anything about the change. + */ + if (dev1->raid_level != dev2->raid_level) + return 1; + return 0; +} + /* Find needle in haystack. If exact match found, return DEVICE_SAME, * and return needle location in *index. If scsi3addr matches, but not * vendor, model, serial num, etc. return DEVICE_CHANGED, and return needle - * location in *index. If needle not found, return DEVICE_NOT_FOUND. + * location in *index. + * In the case of a minor device attribute change, such as RAID level, just + * return DEVICE_UPDATED, along with the updated device's location in index. + * If needle not found, return DEVICE_NOT_FOUND. */ static int hpsa_scsi_find_entry(struct hpsa_scsi_dev_t *needle, struct hpsa_scsi_dev_t *haystack[], int haystack_size, @@ -794,15 +835,19 @@ static int hpsa_scsi_find_entry(struct hpsa_scsi_dev_t *needle, #define DEVICE_NOT_FOUND 0 #define DEVICE_CHANGED 1 #define DEVICE_SAME 2 +#define DEVICE_UPDATED 3 for (i = 0; i < haystack_size; i++) { if (haystack[i] == NULL) /* previously removed. */ continue; if (SCSI3ADDR_EQ(needle->scsi3addr, haystack[i]->scsi3addr)) { *index = i; - if (device_is_the_same(needle, haystack[i])) + if (device_is_the_same(needle, haystack[i])) { + if (device_updated(needle, haystack[i])) + return DEVICE_UPDATED; return DEVICE_SAME; - else + } else { return DEVICE_CHANGED; + } } } *index = -1; @@ -838,6 +883,8 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno, * sd[] and remove them from h->dev[], and for any * devices which have changed, remove the old device * info and add the new device info. + * If minor device attributes change, just update + * the existing device structure. */ i = 0; nremoved = 0; @@ -858,6 +905,8 @@ static void adjust_hpsa_scsi_table(struct ctlr_info *h, int hostno, * at the bottom of hpsa_update_scsi_devices() */ sd[entry] = NULL; + } else if (device_change == DEVICE_UPDATED) { + hpsa_scsi_update_entry(h, hostno, i, sd[entry]); } i++; } @@ -1257,46 +1306,6 @@ static void complete_scsi_command(struct CommandList *cp) cmd_free(h, cp); } -static int hpsa_scsi_detect(struct ctlr_info *h) -{ - struct Scsi_Host *sh; - int error; - - sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h)); - if (sh == NULL) - goto fail; - - sh->io_port = 0; - sh->n_io_port = 0; - sh->this_id = -1; - sh->max_channel = 3; - sh->max_cmd_len = MAX_COMMAND_SIZE; - sh->max_lun = HPSA_MAX_LUN; - sh->max_id = HPSA_MAX_LUN; - sh->can_queue = h->nr_cmds; - sh->cmd_per_lun = h->nr_cmds; - sh->sg_tablesize = h->maxsgentries; - h->scsi_host = sh; - sh->hostdata[0] = (unsigned long) h; - sh->irq = h->intr[h->intr_mode]; - sh->unique_id = sh->irq; - error = scsi_add_host(sh, &h->pdev->dev); - if (error) - goto fail_host_put; - scsi_scan_host(sh); - return 0; - - fail_host_put: - dev_err(&h->pdev->dev, "hpsa_scsi_detect: scsi_add_host" - " failed for controller %d\n", h->ctlr); - scsi_host_put(sh); - return error; - fail: - dev_err(&h->pdev->dev, "hpsa_scsi_detect: scsi_host_alloc" - " failed for controller %d\n", h->ctlr); - return -ENOMEM; -} - static void hpsa_pci_unmap(struct pci_dev *pdev, struct CommandList *c, int sg_used, int data_direction) { @@ -1641,7 +1650,7 @@ bail_out: return 1; } -static unsigned char *msa2xxx_model[] = { +static unsigned char *ext_target_model[] = { "MSA2012", "MSA2024", "MSA2312", @@ -1650,78 +1659,54 @@ static unsigned char *msa2xxx_model[] = { NULL, }; -static int is_msa2xxx(struct ctlr_info *h, struct hpsa_scsi_dev_t *device) +static int is_ext_target(struct ctlr_info *h, struct hpsa_scsi_dev_t *device) { int i; - for (i = 0; msa2xxx_model[i]; i++) - if (strncmp(device->model, msa2xxx_model[i], - strlen(msa2xxx_model[i])) == 0) + for (i = 0; ext_target_model[i]; i++) + if (strncmp(device->model, ext_target_model[i], + strlen(ext_target_model[i])) == 0) return 1; return 0; } /* Helper function to assign bus, target, lun mapping of devices. - * Puts non-msa2xxx logical volumes on bus 0, msa2xxx logical + * Puts non-external target logical volumes on bus 0, external target logical * volumes on bus 1, physical devices on bus 2. and the hba on bus 3. * Logical drive target and lun are assigned at this time, but * physical device lun and target assignment are deferred (assigned * in hpsa_find_target_lun, called by hpsa_scsi_add_entry.) */ static void figure_bus_target_lun(struct ctlr_info *h, - u8 *lunaddrbytes, int *bus, int *target, int *lun, - struct hpsa_scsi_dev_t *device) + u8 *lunaddrbytes, struct hpsa_scsi_dev_t *device) { - u32 lunid; + u32 lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); - if (is_logical_dev_addr_mode(lunaddrbytes)) { - /* logical device */ - if (unlikely(is_scsi_rev_5(h))) { - /* p1210m, logical drives lun assignments - * match SCSI REPORT LUNS data. - */ - lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); - *bus = 0; - *target = 0; - *lun = (lunid & 0x3fff) + 1; - } else { - /* not p1210m... */ - lunid = le32_to_cpu(*((__le32 *) lunaddrbytes)); - if (is_msa2xxx(h, device)) { - /* msa2xxx way, put logicals on bus 1 - * and match target/lun numbers box - * reports. - */ - *bus = 1; - *target = (lunid >> 16) & 0x3fff; - *lun = lunid & 0x00ff; - } else { - /* Traditional smart array way. */ - *bus = 0; - *lun = 0; - *target = lunid & 0x3fff; - } - } - } else { - /* physical device */ + if (!is_logical_dev_addr_mode(lunaddrbytes)) { + /* physical device, target and lun filled in later */ if (is_hba_lunid(lunaddrbytes)) - if (unlikely(is_scsi_rev_5(h))) { - *bus = 0; /* put p1210m ctlr at 0,0,0 */ - *target = 0; - *lun = 0; - return; - } else - *bus = 3; /* traditional smartarray */ + hpsa_set_bus_target_lun(device, 3, 0, lunid & 0x3fff); else - *bus = 2; /* physical disk */ - *target = -1; - *lun = -1; /* we will fill these in later. */ + /* defer target, lun assignment for physical devices */ + hpsa_set_bus_target_lun(device, 2, -1, -1); + return; + } + /* It's a logical device */ + if (is_ext_target(h, device)) { + /* external target way, put logicals on bus 1 + * and match target/lun numbers box + * reports, other smart array, bus 0, target 0, match lunid + */ + hpsa_set_bus_target_lun(device, + 1, (lunid >> 16) & 0x3fff, lunid & 0x00ff); + return; } + hpsa_set_bus_target_lun(device, 0, 0, lunid & 0x3fff); } /* * If there is no lun 0 on a target, linux won't find any devices. - * For the MSA2xxx boxes, we have to manually detect the enclosure + * For the external targets (arrays), we have to manually detect the enclosure * which is at lun zero, as CCISS_REPORT_PHYSICAL_LUNS doesn't report * it for some reason. *tmpdevice is the target we're adding, * this_device is a pointer into the current element of currentsd[] @@ -1730,46 +1715,46 @@ static void figure_bus_target_lun(struct ctlr_info *h, * lun 0 assigned. * Returns 1 if an enclosure was added, 0 if not. */ -static int add_msa2xxx_enclosure_device(struct ctlr_info *h, +static int add_ext_target_dev(struct ctlr_info *h, struct hpsa_scsi_dev_t *tmpdevice, struct hpsa_scsi_dev_t *this_device, u8 *lunaddrbytes, - int bus, int target, int lun, unsigned long lunzerobits[], - int *nmsa2xxx_enclosures) + unsigned long lunzerobits[], int *n_ext_target_devs) { unsigned char scsi3addr[8]; - if (test_bit(target, lunzerobits)) + if (test_bit(tmpdevice->target, lunzerobits)) return 0; /* There is already a lun 0 on this target. */ if (!is_logical_dev_addr_mode(lunaddrbytes)) return 0; /* It's the logical targets that may lack lun 0. */ - if (!is_msa2xxx(h, tmpdevice)) - return 0; /* It's only the MSA2xxx that have this problem. */ + if (!is_ext_target(h, tmpdevice)) + return 0; /* Only external target devices have this problem. */ - if (lun == 0) /* if lun is 0, then obviously we have a lun 0. */ + if (tmpdevice->lun == 0) /* if lun is 0, then we have a lun 0. */ return 0; memset(scsi3addr, 0, 8); - scsi3addr[3] = target; + scsi3addr[3] = tmpdevice->target; if (is_hba_lunid(scsi3addr)) return 0; /* Don't add the RAID controller here. */ if (is_scsi_rev_5(h)) return 0; /* p1210m doesn't need to do this. */ - if (*nmsa2xxx_enclosures >= MAX_MSA2XXX_ENCLOSURES) { - dev_warn(&h->pdev->dev, "Maximum number of MSA2XXX " - "enclosures exceeded. Check your hardware " + if (*n_ext_target_devs >= MAX_EXT_TARGETS) { + dev_warn(&h->pdev->dev, "Maximum number of external " + "target devices exceeded. Check your hardware " "configuration."); return 0; } if (hpsa_update_device_info(h, scsi3addr, this_device, NULL)) return 0; - (*nmsa2xxx_enclosures)++; - hpsa_set_bus_target_lun(this_device, bus, target, 0); - set_bit(target, lunzerobits); + (*n_ext_target_devs)++; + hpsa_set_bus_target_lun(this_device, + tmpdevice->bus, tmpdevice->target, 0); + set_bit(tmpdevice->target, lunzerobits); return 1; } @@ -1863,10 +1848,9 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) struct hpsa_scsi_dev_t **currentsd, *this_device, *tmpdevice; int ncurrent = 0; int reportlunsize = sizeof(*physdev_list) + HPSA_MAX_PHYS_LUN * 8; - int i, nmsa2xxx_enclosures, ndevs_to_allocate; - int bus, target, lun; + int i, n_ext_target_devs, ndevs_to_allocate; int raid_ctlr_position; - DECLARE_BITMAP(lunzerobits, HPSA_MAX_TARGETS_PER_CTLR); + DECLARE_BITMAP(lunzerobits, MAX_EXT_TARGETS); currentsd = kzalloc(sizeof(*currentsd) * HPSA_MAX_DEVICES, GFP_KERNEL); physdev_list = kzalloc(reportlunsize, GFP_KERNEL); @@ -1883,11 +1867,11 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) logdev_list, &nlogicals)) goto out; - /* We might see up to 32 MSA2xxx enclosures, actually 8 of them - * but each of them 4 times through different paths. The plus 1 - * is for the RAID controller. + /* We might see up to the maximum number of logical and physical disks + * plus external target devices, and a device for the local RAID + * controller. */ - ndevs_to_allocate = nphysicals + nlogicals + MAX_MSA2XXX_ENCLOSURES + 1; + ndevs_to_allocate = nphysicals + nlogicals + MAX_EXT_TARGETS + 1; /* Allocate the per device structures */ for (i = 0; i < ndevs_to_allocate; i++) { @@ -1913,7 +1897,7 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) raid_ctlr_position = nphysicals + nlogicals; /* adjust our table of devices */ - nmsa2xxx_enclosures = 0; + n_ext_target_devs = 0; for (i = 0; i < nphysicals + nlogicals + 1; i++) { u8 *lunaddrbytes, is_OBDR = 0; @@ -1929,26 +1913,24 @@ static void hpsa_update_scsi_devices(struct ctlr_info *h, int hostno) if (hpsa_update_device_info(h, lunaddrbytes, tmpdevice, &is_OBDR)) continue; /* skip it if we can't talk to it. */ - figure_bus_target_lun(h, lunaddrbytes, &bus, &target, &lun, - tmpdevice); + figure_bus_target_lun(h, lunaddrbytes, tmpdevice); this_device = currentsd[ncurrent]; /* - * For the msa2xxx boxes, we have to insert a LUN 0 which + * For external target devices, we have to insert a LUN 0 which * doesn't show up in CCISS_REPORT_PHYSICAL data, but there * is nonetheless an enclosure device there. We have to * present that otherwise linux won't find anything if * there is no lun 0. */ - if (add_msa2xxx_enclosure_device(h, tmpdevice, this_device, - lunaddrbytes, bus, target, lun, lunzerobits, - &nmsa2xxx_enclosures)) { + if (add_ext_target_dev(h, tmpdevice, this_device, + lunaddrbytes, lunzerobits, + &n_ext_target_devs)) { ncurrent++; this_device = currentsd[ncurrent]; } *this_device = *tmpdevice; - hpsa_set_bus_target_lun(this_device, bus, target, lun); switch (this_device->devtype) { case TYPE_ROM: @@ -2228,13 +2210,42 @@ static void hpsa_unregister_scsi(struct ctlr_info *h) static int hpsa_register_scsi(struct ctlr_info *h) { - int rc; + struct Scsi_Host *sh; + int error; - rc = hpsa_scsi_detect(h); - if (rc != 0) - dev_err(&h->pdev->dev, "hpsa_register_scsi: failed" - " hpsa_scsi_detect(), rc is %d\n", rc); - return rc; + sh = scsi_host_alloc(&hpsa_driver_template, sizeof(h)); + if (sh == NULL) + goto fail; + + sh->io_port = 0; + sh->n_io_port = 0; + sh->this_id = -1; + sh->max_channel = 3; + sh->max_cmd_len = MAX_COMMAND_SIZE; + sh->max_lun = HPSA_MAX_LUN; + sh->max_id = HPSA_MAX_LUN; + sh->can_queue = h->nr_cmds; + sh->cmd_per_lun = h->nr_cmds; + sh->sg_tablesize = h->maxsgentries; + h->scsi_host = sh; + sh->hostdata[0] = (unsigned long) h; + sh->irq = h->intr[h->intr_mode]; + sh->unique_id = sh->irq; + error = scsi_add_host(sh, &h->pdev->dev); + if (error) + goto fail_host_put; + scsi_scan_host(sh); + return 0; + + fail_host_put: + dev_err(&h->pdev->dev, "%s: scsi_add_host" + " failed for controller %d\n", __func__, h->ctlr); + scsi_host_put(sh); + return error; + fail: + dev_err(&h->pdev->dev, "%s: scsi_host_alloc" + " failed for controller %d\n", __func__, h->ctlr); + return -ENOMEM; } static int wait_for_device_to_become_ready(struct ctlr_info *h, @@ -2700,16 +2711,16 @@ static int hpsa_big_passthru_ioctl(struct ctlr_info *h, void __user *argp) status = -EINVAL; goto cleanup1; } - if (ioc->buf_size > ioc->malloc_size * MAXSGENTRIES) { + if (ioc->buf_size > ioc->malloc_size * SG_ENTRIES_IN_CMD) { status = -EINVAL; goto cleanup1; } - buff = kzalloc(MAXSGENTRIES * sizeof(char *), GFP_KERNEL); + buff = kzalloc(SG_ENTRIES_IN_CMD * sizeof(char *), GFP_KERNEL); if (!buff) { status = -ENOMEM; goto cleanup1; } - buff_size = kmalloc(MAXSGENTRIES * sizeof(int), GFP_KERNEL); + buff_size = kmalloc(SG_ENTRIES_IN_CMD * sizeof(int), GFP_KERNEL); if (!buff_size) { status = -ENOMEM; goto cleanup1; @@ -3354,7 +3365,7 @@ static int hpsa_controller_hard_reset(struct pci_dev *pdev, static __devinit void init_driver_version(char *driver_version, int len) { memset(driver_version, 0, len); - strncpy(driver_version, "hpsa " HPSA_DRIVER_VERSION, len - 1); + strncpy(driver_version, HPSA " " HPSA_DRIVER_VERSION, len - 1); } static __devinit int write_driver_ver_to_cfgtable( @@ -3935,7 +3946,7 @@ static int __devinit hpsa_pci_init(struct ctlr_info *h) return err; } - err = pci_request_regions(h->pdev, "hpsa"); + err = pci_request_regions(h->pdev, HPSA); if (err) { dev_err(&h->pdev->dev, "cannot obtain PCI resources, aborting\n"); @@ -4253,7 +4264,7 @@ static void start_controller_lockup_detector(struct ctlr_info *h) spin_lock_init(&lockup_detector_lock); hpsa_lockup_detector = kthread_run(detect_controller_lockup_thread, - NULL, "hpsa"); + NULL, HPSA); } if (!hpsa_lockup_detector) { dev_warn(&h->pdev->dev, @@ -4325,7 +4336,7 @@ reinit_after_soft_reset: if (rc != 0) goto clean1; - sprintf(h->devname, "hpsa%d", number_of_controllers); + sprintf(h->devname, HPSA "%d", number_of_controllers); h->ctlr = number_of_controllers; number_of_controllers++; @@ -4482,6 +4493,14 @@ static void hpsa_shutdown(struct pci_dev *pdev) #endif /* CONFIG_PCI_MSI */ } +static void __devexit hpsa_free_device_info(struct ctlr_info *h) +{ + int i; + + for (i = 0; i < h->ndevices; i++) + kfree(h->dev[i]); +} + static void __devexit hpsa_remove_one(struct pci_dev *pdev) { struct ctlr_info *h; @@ -4497,6 +4516,7 @@ static void __devexit hpsa_remove_one(struct pci_dev *pdev) iounmap(h->vaddr); iounmap(h->transtable); iounmap(h->cfgtable); + hpsa_free_device_info(h); hpsa_free_sg_chain_blocks(h); pci_free_consistent(h->pdev, h->nr_cmds * sizeof(struct CommandList), @@ -4530,7 +4550,7 @@ static int hpsa_resume(__attribute__((unused)) struct pci_dev *pdev) } static struct pci_driver hpsa_pci_driver = { - .name = "hpsa", + .name = HPSA, .probe = hpsa_init_one, .remove = __devexit_p(hpsa_remove_one), .id_table = hpsa_pci_device_id, /* id_table */ @@ -4592,15 +4612,15 @@ static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h, * Each SG entry requires 16 bytes. The eight registers are programmed * with the number of 16-byte blocks a command of that size requires. * The smallest command possible requires 5 such 16 byte blocks. - * the largest command possible requires MAXSGENTRIES + 4 16-byte + * the largest command possible requires SG_ENTRIES_IN_CMD + 4 16-byte * blocks. Note, this only extends to the SG entries contained * within the command block, and does not extend to chained blocks * of SG elements. bft[] contains the eight values we write to * the registers. They are not evenly distributed, but have more * sizes for small commands, and fewer sizes for larger commands. */ - int bft[8] = {5, 6, 8, 10, 12, 20, 28, MAXSGENTRIES + 4}; - BUILD_BUG_ON(28 > MAXSGENTRIES + 4); + int bft[8] = {5, 6, 8, 10, 12, 20, 28, SG_ENTRIES_IN_CMD + 4}; + BUILD_BUG_ON(28 > SG_ENTRIES_IN_CMD + 4); /* 5 = 1 s/g entry or 4k * 6 = 2 s/g entry or 8k * 8 = 4 s/g entry or 16k @@ -4613,8 +4633,9 @@ static __devinit void hpsa_enter_performant_mode(struct ctlr_info *h, memset(h->reply_pool, 0, h->reply_pool_size); h->reply_pool_head = h->reply_pool; - bft[7] = h->max_sg_entries + 4; - calc_bucket_map(bft, ARRAY_SIZE(bft), 32, h->blockFetchTable); + bft[7] = SG_ENTRIES_IN_CMD + 4; + calc_bucket_map(bft, ARRAY_SIZE(bft), + SG_ENTRIES_IN_CMD, h->blockFetchTable); for (i = 0; i < 8; i++) writel(bft[i], &h->transtable->BlockFetch[i]); @@ -4652,14 +4673,13 @@ static __devinit void hpsa_put_ctlr_into_performant_mode(struct ctlr_info *h) return; hpsa_get_max_perf_mode_cmds(h); - h->max_sg_entries = 32; /* Performant mode ring buffer and supporting data structures */ h->reply_pool_size = h->max_commands * sizeof(u64); h->reply_pool = pci_alloc_consistent(h->pdev, h->reply_pool_size, &(h->reply_pool_dhandle)); /* Need a block fetch table for performant mode */ - h->blockFetchTable = kmalloc(((h->max_sg_entries+1) * + h->blockFetchTable = kmalloc(((SG_ENTRIES_IN_CMD + 1) * sizeof(u32)), GFP_KERNEL); if ((h->reply_pool == NULL) diff --git a/drivers/scsi/hpsa.h b/drivers/scsi/hpsa.h index 91edafb8c7e..7b28d54fa87 100644 --- a/drivers/scsi/hpsa.h +++ b/drivers/scsi/hpsa.h @@ -58,7 +58,6 @@ struct ctlr_info { unsigned long paddr; int nr_cmds; /* Number of commands allowed on this controller */ struct CfgTable __iomem *cfgtable; - int max_sg_entries; int interrupts_enabled; int major; int max_commands; @@ -317,7 +316,7 @@ static unsigned long SA5_completed(struct ctlr_info *h) dev_dbg(&h->pdev->dev, "Read %lx back from board\n", register_value); else - dev_dbg(&h->pdev->dev, "hpsa: FIFO Empty read\n"); + dev_dbg(&h->pdev->dev, "FIFO Empty read\n"); #endif return register_value; diff --git a/drivers/scsi/hpsa_cmd.h b/drivers/scsi/hpsa_cmd.h index 3fd4715935c..8049815d8c1 100644 --- a/drivers/scsi/hpsa_cmd.h +++ b/drivers/scsi/hpsa_cmd.h @@ -23,7 +23,7 @@ /* general boundary defintions */ #define SENSEINFOBYTES 32 /* may vary between hbas */ -#define MAXSGENTRIES 32 +#define SG_ENTRIES_IN_CMD 32 /* Max SG entries excluding chain blocks */ #define HPSA_SG_CHAIN 0x80000000 #define MAXREPLYQS 256 @@ -122,12 +122,11 @@ union u64bit { }; /* FIXME this is a per controller value (barf!) */ -#define HPSA_MAX_TARGETS_PER_CTLR 16 #define HPSA_MAX_LUN 1024 #define HPSA_MAX_PHYS_LUN 1024 -#define MAX_MSA2XXX_ENCLOSURES 32 +#define MAX_EXT_TARGETS 32 #define HPSA_MAX_DEVICES (HPSA_MAX_PHYS_LUN + HPSA_MAX_LUN + \ - MAX_MSA2XXX_ENCLOSURES + 1) /* + 1 is for the controller itself */ + MAX_EXT_TARGETS + 1) /* + 1 is for the controller itself */ /* SCSI-3 Commands */ #pragma pack(1) @@ -282,7 +281,7 @@ struct CommandList { struct CommandListHeader Header; struct RequestBlock Request; struct ErrDescriptor ErrDesc; - struct SGDescriptor SG[MAXSGENTRIES]; + struct SGDescriptor SG[SG_ENTRIES_IN_CMD]; /* information associated with the command */ u32 busaddr; /* physical addr of this record */ struct ErrorInfo *err_info; /* pointer to the allocated mem */ diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c index 67fc8ffd52e..cd09132d5d7 100644 --- a/drivers/scsi/ibmmca.c +++ b/drivers/scsi/ibmmca.c @@ -32,7 +32,6 @@ #include <linux/spinlock.h> #include <linux/init.h> -#include <asm/system.h> #include <asm/io.h> #include "scsi.h" diff --git a/drivers/scsi/ibmvscsi/Makefile b/drivers/scsi/ibmvscsi/Makefile index a423d963362..ff5b5c5538e 100644 --- a/drivers/scsi/ibmvscsi/Makefile +++ b/drivers/scsi/ibmvscsi/Makefile @@ -1,7 +1,6 @@ obj-$(CONFIG_SCSI_IBMVSCSI) += ibmvscsic.o ibmvscsic-y += ibmvscsi.o -ibmvscsic-$(CONFIG_PPC_ISERIES) += iseries_vscsi.o ibmvscsic-$(CONFIG_PPC_PSERIES) += rpa_vscsi.o obj-$(CONFIG_SCSI_IBMVSCSIS) += ibmvstgt.o diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index bdfa223a7db..134a0ae85bb 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -4890,11 +4890,8 @@ static struct vio_driver ibmvfc_driver = { .probe = ibmvfc_probe, .remove = ibmvfc_remove, .get_desired_dma = ibmvfc_get_desired_dma, - .driver = { - .name = IBMVFC_NAME, - .owner = THIS_MODULE, - .pm = &ibmvfc_pm_ops, - } + .name = IBMVFC_NAME, + .pm = &ibmvfc_pm_ops, }; static struct fc_function_template ibmvfc_transport_functions = { diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c index 3d391dc3f11..3a6c4742951 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.c +++ b/drivers/scsi/ibmvscsi/ibmvscsi.c @@ -55,13 +55,7 @@ * and sends a CRQ message back to inform the client that the request has * completed. * - * Note that some of the underlying infrastructure is different between - * machines conforming to the "RS/6000 Platform Architecture" (RPA) and - * the older iSeries hypervisor models. To support both, some low level - * routines have been broken out into rpa_vscsi.c and iseries_vscsi.c. - * The Makefile should pick one, not two, not zero, of these. - * - * TODO: This is currently pretty tied to the IBM i/pSeries hypervisor + * TODO: This is currently pretty tied to the IBM pSeries hypervisor * interfaces. It would be really nice to abstract this above an RDMA * layer. */ @@ -2067,11 +2061,8 @@ static struct vio_driver ibmvscsi_driver = { .probe = ibmvscsi_probe, .remove = ibmvscsi_remove, .get_desired_dma = ibmvscsi_get_desired_dma, - .driver = { - .name = "ibmvscsi", - .owner = THIS_MODULE, - .pm = &ibmvscsi_pm_ops, - } + .name = "ibmvscsi", + .pm = &ibmvscsi_pm_ops, }; static struct srp_function_template ibmvscsi_transport_functions = { @@ -2085,9 +2076,7 @@ int __init ibmvscsi_module_init(void) driver_template.can_queue = max_requests; max_events = max_requests + 2; - if (firmware_has_feature(FW_FEATURE_ISERIES)) - ibmvscsi_ops = &iseriesvscsi_ops; - else if (firmware_has_feature(FW_FEATURE_VIO)) + if (firmware_has_feature(FW_FEATURE_VIO)) ibmvscsi_ops = &rpavscsi_ops; else return -ENODEV; diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h index 02197a2b22b..c503e177601 100644 --- a/drivers/scsi/ibmvscsi/ibmvscsi.h +++ b/drivers/scsi/ibmvscsi/ibmvscsi.h @@ -127,7 +127,6 @@ struct ibmvscsi_ops { int (*resume) (struct ibmvscsi_host_data *hostdata); }; -extern struct ibmvscsi_ops iseriesvscsi_ops; extern struct ibmvscsi_ops rpavscsi_ops; #endif /* IBMVSCSI_H */ diff --git a/drivers/scsi/ibmvscsi/ibmvstgt.c b/drivers/scsi/ibmvscsi/ibmvstgt.c index 2256babe047..aa7ed81e923 100644 --- a/drivers/scsi/ibmvscsi/ibmvstgt.c +++ b/drivers/scsi/ibmvscsi/ibmvstgt.c @@ -918,10 +918,7 @@ static struct vio_driver ibmvstgt_driver = { .id_table = ibmvstgt_device_table, .probe = ibmvstgt_probe, .remove = ibmvstgt_remove, - .driver = { - .name = "ibmvscsis", - .owner = THIS_MODULE, - } + .name = "ibmvscsis", }; static int get_system_info(void) diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c deleted file mode 100644 index f4776451a75..00000000000 --- a/drivers/scsi/ibmvscsi/iseries_vscsi.c +++ /dev/null @@ -1,173 +0,0 @@ -/* ------------------------------------------------------------ - * iSeries_vscsi.c - * (C) Copyright IBM Corporation 1994, 2003 - * Authors: Colin DeVilbiss (devilbis@us.ibm.com) - * Santiago Leon (santil@us.ibm.com) - * Dave Boutcher (sleddog@us.ibm.com) - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 - * USA - * - * ------------------------------------------------------------ - * iSeries-specific functions of the SCSI host adapter for Virtual I/O devices - * - * This driver allows the Linux SCSI peripheral drivers to directly - * access devices in the hosting partition, either on an iSeries - * hypervisor system or a converged hypervisor system. - */ - -#include <asm/iseries/vio.h> -#include <asm/iseries/hv_lp_event.h> -#include <asm/iseries/hv_types.h> -#include <asm/iseries/hv_lp_config.h> -#include <asm/vio.h> -#include <linux/device.h> -#include "ibmvscsi.h" - -/* global variables */ -static struct ibmvscsi_host_data *single_host_data; - -/* ------------------------------------------------------------ - * Routines for direct interpartition interaction - */ -struct srp_lp_event { - struct HvLpEvent lpevt; /* 0x00-0x17 */ - u32 reserved1; /* 0x18-0x1B; unused */ - u16 version; /* 0x1C-0x1D; unused */ - u16 subtype_rc; /* 0x1E-0x1F; unused */ - struct viosrp_crq crq; /* 0x20-0x3F */ -}; - -/** - * standard interface for handling logical partition events. - */ -static void iseriesvscsi_handle_event(struct HvLpEvent *lpevt) -{ - struct srp_lp_event *evt = (struct srp_lp_event *)lpevt; - - if (!evt) { - printk(KERN_ERR "ibmvscsi: received null event\n"); - return; - } - - if (single_host_data == NULL) { - printk(KERN_ERR - "ibmvscsi: received event, no adapter present\n"); - return; - } - - ibmvscsi_handle_crq(&evt->crq, single_host_data); -} - -/* ------------------------------------------------------------ - * Routines for driver initialization - */ -static int iseriesvscsi_init_crq_queue(struct crq_queue *queue, - struct ibmvscsi_host_data *hostdata, - int max_requests) -{ - int rc; - - single_host_data = hostdata; - rc = viopath_open(viopath_hostLp, viomajorsubtype_scsi, max_requests); - if (rc < 0) { - printk("viopath_open failed with rc %d in open_event_path\n", - rc); - goto viopath_open_failed; - } - - rc = vio_setHandler(viomajorsubtype_scsi, iseriesvscsi_handle_event); - if (rc < 0) { - printk("vio_setHandler failed with rc %d in open_event_path\n", - rc); - goto vio_setHandler_failed; - } - return 0; - - vio_setHandler_failed: - viopath_close(viopath_hostLp, viomajorsubtype_scsi, max_requests); - viopath_open_failed: - return -1; -} - -static void iseriesvscsi_release_crq_queue(struct crq_queue *queue, - struct ibmvscsi_host_data *hostdata, - int max_requests) -{ - vio_clearHandler(viomajorsubtype_scsi); - viopath_close(viopath_hostLp, viomajorsubtype_scsi, max_requests); -} - -/** - * reset_crq_queue: - resets a crq after a failure - * @queue: crq_queue to initialize and register - * @hostdata: ibmvscsi_host_data of host - * - * no-op for iSeries - */ -static int iseriesvscsi_reset_crq_queue(struct crq_queue *queue, - struct ibmvscsi_host_data *hostdata) -{ - return 0; -} - -/** - * reenable_crq_queue: - reenables a crq after a failure - * @queue: crq_queue to initialize and register - * @hostdata: ibmvscsi_host_data of host - * - * no-op for iSeries - */ -static int iseriesvscsi_reenable_crq_queue(struct crq_queue *queue, - struct ibmvscsi_host_data *hostdata) -{ - return 0; -} - -/** - * iseriesvscsi_send_crq: - Send a CRQ - * @hostdata: the adapter - * @word1: the first 64 bits of the data - * @word2: the second 64 bits of the data - */ -static int iseriesvscsi_send_crq(struct ibmvscsi_host_data *hostdata, - u64 word1, u64 word2) -{ - single_host_data = hostdata; - return HvCallEvent_signalLpEventFast(viopath_hostLp, - HvLpEvent_Type_VirtualIo, - viomajorsubtype_scsi, - HvLpEvent_AckInd_NoAck, - HvLpEvent_AckType_ImmediateAck, - viopath_sourceinst(viopath_hostLp), - viopath_targetinst(viopath_hostLp), - 0, - VIOVERSION << 16, word1, word2, 0, - 0); -} - -static int iseriesvscsi_resume(struct ibmvscsi_host_data *hostdata) -{ - return 0; -} - -struct ibmvscsi_ops iseriesvscsi_ops = { - .init_crq_queue = iseriesvscsi_init_crq_queue, - .release_crq_queue = iseriesvscsi_release_crq_queue, - .reset_crq_queue = iseriesvscsi_reset_crq_queue, - .reenable_crq_queue = iseriesvscsi_reenable_crq_queue, - .send_crq = iseriesvscsi_send_crq, - .resume = iseriesvscsi_resume, -}; diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c index 112f1bec775..deb5b6d8398 100644 --- a/drivers/scsi/in2000.c +++ b/drivers/scsi/in2000.c @@ -123,7 +123,6 @@ #include <linux/stat.h> #include <asm/io.h> -#include <asm/system.h> #include "scsi.h" #include <scsi/scsi_host.h> diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c index 67b169b7a5b..e002cd466e9 100644 --- a/drivers/scsi/ipr.c +++ b/drivers/scsi/ipr.c @@ -104,7 +104,9 @@ static DEFINE_SPINLOCK(ipr_driver_lock); static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { { /* Gemstone, Citrine, Obsidian, and Obsidian-E */ .mailbox = 0x0042C, + .max_cmds = 100, .cache_line_size = 0x20, + .clear_isr = 1, { .set_interrupt_mask_reg = 0x0022C, .clr_interrupt_mask_reg = 0x00230, @@ -126,7 +128,9 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { }, { /* Snipe and Scamp */ .mailbox = 0x0052C, + .max_cmds = 100, .cache_line_size = 0x20, + .clear_isr = 1, { .set_interrupt_mask_reg = 0x00288, .clr_interrupt_mask_reg = 0x0028C, @@ -148,7 +152,9 @@ static const struct ipr_chip_cfg_t ipr_chip_cfg[] = { }, { /* CRoC */ .mailbox = 0x00044, + .max_cmds = 1000, .cache_line_size = 0x20, + .clear_isr = 0, { .set_interrupt_mask_reg = 0x00010, .clr_interrupt_mask_reg = 0x00018, @@ -183,7 +189,7 @@ static const struct ipr_chip_t ipr_chip[] = { { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, { PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP, IPR_USE_LSI, IPR_SIS32, IPR_PCI_CFG, &ipr_chip_cfg[1] }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, IPR_USE_MSI, IPR_SIS64, IPR_MMIO, &ipr_chip_cfg[2] } }; static int ipr_max_bus_speeds [] = { @@ -847,8 +853,6 @@ static void ipr_do_req(struct ipr_cmnd *ipr_cmd, ipr_trc_hook(ipr_cmd, IPR_TRACE_START, 0); - mb(); - ipr_send_command(ipr_cmd); } @@ -982,8 +986,6 @@ static void ipr_send_hcam(struct ipr_ioa_cfg *ioa_cfg, u8 type, ipr_trc_hook(ipr_cmd, IPR_TRACE_START, IPR_IOA_RES_ADDR); - mb(); - ipr_send_command(ipr_cmd); } else { list_add_tail(&hostrcb->queue, &ioa_cfg->hostrcb_free_q); @@ -4339,8 +4341,7 @@ static struct ipr_resource_entry *ipr_find_starget(struct scsi_target *starget) list_for_each_entry(res, &ioa_cfg->used_res_q, queue) { if ((res->bus == starget->channel) && - (res->target == starget->id) && - (res->lun == 0)) { + (res->target == starget->id)) { return res; } } @@ -4414,12 +4415,14 @@ static void ipr_target_destroy(struct scsi_target *starget) struct ipr_ioa_cfg *ioa_cfg = (struct ipr_ioa_cfg *) shost->hostdata; if (ioa_cfg->sis64) { - if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) - clear_bit(starget->id, ioa_cfg->array_ids); - else if (starget->channel == IPR_VSET_VIRTUAL_BUS) - clear_bit(starget->id, ioa_cfg->vset_ids); - else if (starget->channel == 0) - clear_bit(starget->id, ioa_cfg->target_ids); + if (!ipr_find_starget(starget)) { + if (starget->channel == IPR_ARRAY_VIRTUAL_BUS) + clear_bit(starget->id, ioa_cfg->array_ids); + else if (starget->channel == IPR_VSET_VIRTUAL_BUS) + clear_bit(starget->id, ioa_cfg->vset_ids); + else if (starget->channel == 0) + clear_bit(starget->id, ioa_cfg->target_ids); + } } if (sata_port) { @@ -4613,11 +4616,13 @@ static int __ipr_eh_host_reset(struct scsi_cmnd * scsi_cmd) ENTER; ioa_cfg = (struct ipr_ioa_cfg *) scsi_cmd->device->host->hostdata; - dev_err(&ioa_cfg->pdev->dev, - "Adapter being reset as a result of error recovery.\n"); + if (!ioa_cfg->in_reset_reload) { + dev_err(&ioa_cfg->pdev->dev, + "Adapter being reset as a result of error recovery.\n"); - if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) - ioa_cfg->sdt_state = GET_DUMP; + if (WAIT_FOR_DUMP == ioa_cfg->sdt_state) + ioa_cfg->sdt_state = GET_DUMP; + } rc = ipr_reset_reload(ioa_cfg, IPR_SHUTDOWN_ABBREV); @@ -4907,7 +4912,7 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) struct ipr_ioa_cfg *ioa_cfg; struct ipr_resource_entry *res; struct ipr_cmd_pkt *cmd_pkt; - u32 ioasc; + u32 ioasc, int_reg; int op_found = 0; ENTER; @@ -4920,7 +4925,17 @@ static int ipr_cancel_op(struct scsi_cmnd * scsi_cmd) */ if (ioa_cfg->in_reset_reload || ioa_cfg->ioa_is_dead) return FAILED; - if (!res || !ipr_is_gscsi(res)) + if (!res) + return FAILED; + + /* + * If we are aborting a timed out op, chances are that the timeout was caused + * by a still not detected EEH error. In such cases, reading a register will + * trigger the EEH recovery infrastructure. + */ + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg); + + if (!ipr_is_gscsi(res)) return FAILED; list_for_each_entry(ipr_cmd, &ioa_cfg->pending_q, queue) { @@ -5036,12 +5051,14 @@ static irqreturn_t ipr_handle_other_interrupt(struct ipr_ioa_cfg *ioa_cfg, del_timer(&ioa_cfg->reset_cmd->timer); ipr_reset_ioa_job(ioa_cfg->reset_cmd); } else if ((int_reg & IPR_PCII_HRRQ_UPDATED) == int_reg) { - if (ipr_debug && printk_ratelimit()) - dev_err(&ioa_cfg->pdev->dev, - "Spurious interrupt detected. 0x%08X\n", int_reg); - writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); - int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); - return IRQ_NONE; + if (ioa_cfg->clear_isr) { + if (ipr_debug && printk_ratelimit()) + dev_err(&ioa_cfg->pdev->dev, + "Spurious interrupt detected. 0x%08X\n", int_reg); + writel(IPR_PCII_HRRQ_UPDATED, ioa_cfg->regs.clr_interrupt_reg32); + int_reg = readl(ioa_cfg->regs.sense_interrupt_reg32); + return IRQ_NONE; + } } else { if (int_reg & IPR_PCII_IOA_UNIT_CHECKED) ioa_cfg->ioa_unit_checked = 1; @@ -5141,6 +5158,9 @@ static irqreturn_t ipr_isr(int irq, void *devp) } } + if (ipr_cmd && !ioa_cfg->clear_isr) + break; + if (ipr_cmd != NULL) { /* Clear the PCI interrupt */ num_hrrq = 0; @@ -5842,14 +5862,12 @@ static int ipr_queuecommand_lck(struct scsi_cmnd *scsi_cmd, rc = ipr_build_ioadl(ioa_cfg, ipr_cmd); } - if (likely(rc == 0)) { - mb(); - ipr_send_command(ipr_cmd); - } else { - list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q); - return SCSI_MLQUEUE_HOST_BUSY; + if (unlikely(rc != 0)) { + list_move_tail(&ipr_cmd->queue, &ioa_cfg->free_q); + return SCSI_MLQUEUE_HOST_BUSY; } + ipr_send_command(ipr_cmd); return 0; } @@ -6227,8 +6245,6 @@ static unsigned int ipr_qc_issue(struct ata_queued_cmd *qc) return AC_ERR_INVALID; } - mb(); - ipr_send_command(ipr_cmd); return 0; @@ -8265,6 +8281,10 @@ static void ipr_free_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) if (ioa_cfg->ipr_cmd_pool) pci_pool_destroy (ioa_cfg->ipr_cmd_pool); + kfree(ioa_cfg->ipr_cmnd_list); + kfree(ioa_cfg->ipr_cmnd_list_dma); + ioa_cfg->ipr_cmnd_list = NULL; + ioa_cfg->ipr_cmnd_list_dma = NULL; ioa_cfg->ipr_cmd_pool = NULL; } @@ -8340,11 +8360,19 @@ static int __devinit ipr_alloc_cmd_blks(struct ipr_ioa_cfg *ioa_cfg) int i; ioa_cfg->ipr_cmd_pool = pci_pool_create (IPR_NAME, ioa_cfg->pdev, - sizeof(struct ipr_cmnd), 16, 0); + sizeof(struct ipr_cmnd), 512, 0); if (!ioa_cfg->ipr_cmd_pool) return -ENOMEM; + ioa_cfg->ipr_cmnd_list = kcalloc(IPR_NUM_CMD_BLKS, sizeof(struct ipr_cmnd *), GFP_KERNEL); + ioa_cfg->ipr_cmnd_list_dma = kcalloc(IPR_NUM_CMD_BLKS, sizeof(dma_addr_t), GFP_KERNEL); + + if (!ioa_cfg->ipr_cmnd_list || !ioa_cfg->ipr_cmnd_list_dma) { + ipr_free_cmd_blks(ioa_cfg); + return -ENOMEM; + } + for (i = 0; i < IPR_NUM_CMD_BLKS; i++) { ipr_cmd = pci_pool_alloc (ioa_cfg->ipr_cmd_pool, GFP_KERNEL, &dma_addr); @@ -8572,6 +8600,7 @@ static void __devinit ipr_init_ioa_cfg(struct ipr_ioa_cfg *ioa_cfg, host->max_channel = IPR_MAX_BUS_TO_SCAN; host->unique_id = host->host_no; host->max_cmd_len = IPR_MAX_CDB_LEN; + host->can_queue = ioa_cfg->max_cmds; pci_set_drvdata(pdev, ioa_cfg); p = &ioa_cfg->chip_cfg->regs; @@ -8756,6 +8785,8 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev, /* set SIS 32 or SIS 64 */ ioa_cfg->sis64 = ioa_cfg->ipr_chip->sis_type == IPR_SIS64 ? 1 : 0; ioa_cfg->chip_cfg = ioa_cfg->ipr_chip->cfg; + ioa_cfg->clear_isr = ioa_cfg->chip_cfg->clear_isr; + ioa_cfg->max_cmds = ioa_cfg->chip_cfg->max_cmds; if (ipr_transop_timeout) ioa_cfg->transop_timeout = ipr_transop_timeout; @@ -9179,15 +9210,15 @@ static struct pci_device_id ipr_pci_table[] __devinitdata = { PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C3, 0, 0, 0 }, { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_FPGA_E2, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C4, 0, 0, 0 }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B4, 0, 0, 0 }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B1, 0, 0, 0 }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C6, 0, 0, 0 }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, - PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575D, 0, 0, 0 }, - { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROC_ASIC_E2, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, + PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57C8, 0, 0, 0 }, + { PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CROCODILE, PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57CE, 0, 0, 0 }, { } }; diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h index b13f9cc1227..153b8bd91d1 100644 --- a/drivers/scsi/ipr.h +++ b/drivers/scsi/ipr.h @@ -38,8 +38,8 @@ /* * Literals */ -#define IPR_DRIVER_VERSION "2.5.2" -#define IPR_DRIVER_DATE "(April 27, 2011)" +#define IPR_DRIVER_VERSION "2.5.3" +#define IPR_DRIVER_DATE "(March 10, 2012)" /* * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding @@ -53,12 +53,12 @@ * IPR_NUM_BASE_CMD_BLKS: This defines the maximum number of * ops the mid-layer can send to the adapter. */ -#define IPR_NUM_BASE_CMD_BLKS 100 +#define IPR_NUM_BASE_CMD_BLKS (ioa_cfg->max_cmds) #define PCI_DEVICE_ID_IBM_OBSIDIAN_E 0x0339 #define PCI_DEVICE_ID_IBM_CROC_FPGA_E2 0x033D -#define PCI_DEVICE_ID_IBM_CROC_ASIC_E2 0x034A +#define PCI_DEVICE_ID_IBM_CROCODILE 0x034A #define IPR_SUBS_DEV_ID_2780 0x0264 #define IPR_SUBS_DEV_ID_5702 0x0266 @@ -92,7 +92,7 @@ #define IPR_SUBS_DEV_ID_57B1 0x0355 #define IPR_SUBS_DEV_ID_574D 0x0356 -#define IPR_SUBS_DEV_ID_575D 0x035D +#define IPR_SUBS_DEV_ID_57C8 0x035D #define IPR_NAME "ipr" @@ -153,7 +153,7 @@ #define IPR_NUM_INTERNAL_CMD_BLKS (IPR_NUM_HCAMS + \ ((IPR_NUM_RESET_RELOAD_RETRIES + 1) * 2) + 4) -#define IPR_MAX_COMMANDS IPR_NUM_BASE_CMD_BLKS +#define IPR_MAX_COMMANDS 100 #define IPR_NUM_CMD_BLKS (IPR_NUM_BASE_CMD_BLKS + \ IPR_NUM_INTERNAL_CMD_BLKS) @@ -1305,7 +1305,9 @@ struct ipr_interrupts { struct ipr_chip_cfg_t { u32 mailbox; + u16 max_cmds; u8 cache_line_size; + u8 clear_isr; struct ipr_interrupt_offsets regs; }; @@ -1388,6 +1390,7 @@ struct ipr_ioa_cfg { u8 sis64:1; u8 dump_timeout:1; u8 cfg_locked:1; + u8 clear_isr:1; u8 revid; @@ -1501,8 +1504,9 @@ struct ipr_ioa_cfg { struct ata_host ata_host; char ipr_cmd_label[8]; #define IPR_CMD_LABEL "ipr_cmd" - struct ipr_cmnd *ipr_cmnd_list[IPR_NUM_CMD_BLKS]; - dma_addr_t ipr_cmnd_list_dma[IPR_NUM_CMD_BLKS]; + u32 max_cmds; + struct ipr_cmnd **ipr_cmnd_list; + dma_addr_t *ipr_cmnd_list_dma; }; /* struct ipr_ioa_cfg */ struct ipr_cmnd { diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c index d77891e5683..b6d7a5c2fc9 100644 --- a/drivers/scsi/ips.c +++ b/drivers/scsi/ips.c @@ -1511,14 +1511,14 @@ static int ips_is_passthru(struct scsi_cmnd *SC) /* kmap_atomic() ensures addressability of the user buffer.*/ /* local_irq_save() protects the KM_IRQ0 address slot. */ local_irq_save(flags); - buffer = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + buffer = kmap_atomic(sg_page(sg)) + sg->offset; if (buffer && buffer[0] == 'C' && buffer[1] == 'O' && buffer[2] == 'P' && buffer[3] == 'P') { - kunmap_atomic(buffer - sg->offset, KM_IRQ0); + kunmap_atomic(buffer - sg->offset); local_irq_restore(flags); return 1; } - kunmap_atomic(buffer - sg->offset, KM_IRQ0); + kunmap_atomic(buffer - sg->offset); local_irq_restore(flags); } return 0; diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 0061cfd93bb..d4bf9c12ecd 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -649,15 +649,13 @@ static void isci_host_start_complete(struct isci_host *ihost, enum sci_status co int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time) { - struct isci_host *ihost = SHOST_TO_SAS_HA(shost)->lldd_ha; + struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + struct isci_host *ihost = ha->lldd_ha; if (test_bit(IHOST_START_PENDING, &ihost->flags)) return 0; - /* todo: use sas_flush_discovery once it is upstream */ - scsi_flush_work(shost); - - scsi_flush_work(shost); + sas_drain_work(ha); dev_dbg(&ihost->pdev->dev, "%s: ihost->status = %d, time = %ld\n", @@ -1490,6 +1488,15 @@ sci_controller_set_interrupt_coalescence(struct isci_host *ihost, static void sci_controller_ready_state_enter(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); + u32 val; + + /* enable clock gating for power control of the scu unit */ + val = readl(&ihost->smu_registers->clock_gating_control); + val &= ~(SMU_CGUCR_GEN_BIT(REGCLK_ENABLE) | + SMU_CGUCR_GEN_BIT(TXCLK_ENABLE) | + SMU_CGUCR_GEN_BIT(XCLK_ENABLE)); + val |= SMU_CGUCR_GEN_BIT(IDLE_ENABLE); + writel(val, &ihost->smu_registers->clock_gating_control); /* set the default interrupt coalescence number and timeout value. */ sci_controller_set_interrupt_coalescence(ihost, 0, 0); @@ -1847,9 +1854,11 @@ static enum sci_status sci_oem_parameters_set(struct isci_host *ihost) if (state == SCIC_RESET || state == SCIC_INITIALIZING || state == SCIC_INITIALIZED) { + u8 oem_version = pci_info->orom ? pci_info->orom->hdr.version : + ISCI_ROM_VER_1_0; if (sci_oem_parameters_validate(&ihost->oem_parameters, - pci_info->orom->hdr.version)) + oem_version)) return SCI_FAILURE_INVALID_PARAMETER_VALUE; return SCI_SUCCESS; diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 5477f0fa823..adbad69d106 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -187,6 +187,7 @@ struct isci_host { int id; /* unique within a given pci device */ struct isci_phy phys[SCI_MAX_PHYS]; struct isci_port ports[SCI_MAX_PORTS + 1]; /* includes dummy port */ + struct asd_sas_port sas_ports[SCI_MAX_PORTS]; struct sas_ha_struct sas_ha; spinlock_t state_lock; @@ -393,24 +394,6 @@ static inline int sci_remote_device_node_count(struct isci_remote_device *idev) #define sci_controller_clear_invalid_phy(controller, phy) \ ((controller)->invalid_phy_mask &= ~(1 << (phy)->phy_index)) -static inline struct device *sciphy_to_dev(struct isci_phy *iphy) -{ - - if (!iphy || !iphy->isci_port || !iphy->isci_port->isci_host) - return NULL; - - return &iphy->isci_port->isci_host->pdev->dev; -} - -static inline struct device *sciport_to_dev(struct isci_port *iport) -{ - - if (!iport || !iport->isci_host) - return NULL; - - return &iport->isci_host->pdev->dev; -} - static inline struct device *scirdev_to_dev(struct isci_remote_device *idev) { if (!idev || !idev->isci_port || !idev->isci_port->isci_host) diff --git a/drivers/scsi/isci/init.c b/drivers/scsi/isci/init.c index 17c4c2c89c2..5137db5a5d8 100644 --- a/drivers/scsi/isci/init.c +++ b/drivers/scsi/isci/init.c @@ -60,6 +60,7 @@ #include <linux/efi.h> #include <asm/string.h> #include <scsi/scsi_host.h> +#include "host.h" #include "isci.h" #include "task.h" #include "probe_roms.h" @@ -154,7 +155,6 @@ static struct scsi_host_template isci_sht = { .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, - .slave_destroy = sas_slave_destroy, .scan_finished = isci_host_scan_finished, .scan_start = isci_host_scan_start, .change_queue_depth = sas_change_queue_depth, @@ -166,9 +166,6 @@ static struct scsi_host_template isci_sht = { .sg_tablesize = SG_ALL, .max_sectors = SCSI_DEFAULT_MAX_SECTORS, .use_clustering = ENABLE_CLUSTERING, - .eh_device_reset_handler = sas_eh_device_reset_handler, - .eh_bus_reset_handler = isci_bus_reset_handler, - .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = isci_host_attrs, @@ -194,6 +191,9 @@ static struct sas_domain_function_template isci_transport_ops = { .lldd_lu_reset = isci_task_lu_reset, .lldd_query_task = isci_task_query_task, + /* ata recovery called from ata-eh */ + .lldd_ata_check_ready = isci_ata_check_ready, + /* Port and Adapter management */ .lldd_clear_nexus_port = isci_task_clear_nexus_port, .lldd_clear_nexus_ha = isci_task_clear_nexus_ha, @@ -242,18 +242,13 @@ static int isci_register_sas_ha(struct isci_host *isci_host) if (!sas_ports) return -ENOMEM; - /*----------------- Libsas Initialization Stuff---------------------- - * Set various fields in the sas_ha struct: - */ - sas_ha->sas_ha_name = DRV_NAME; sas_ha->lldd_module = THIS_MODULE; sas_ha->sas_addr = &isci_host->phys[0].sas_addr[0]; - /* set the array of phy and port structs. */ for (i = 0; i < SCI_MAX_PHYS; i++) { sas_phys[i] = &isci_host->phys[i].sas_phy; - sas_ports[i] = &isci_host->ports[i].sas_port; + sas_ports[i] = &isci_host->sas_ports[i]; } sas_ha->sas_phy = sas_phys; @@ -528,6 +523,13 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic goto err_host_alloc; } pci_info->hosts[i] = h; + + /* turn on DIF support */ + scsi_host_set_prot(h->shost, + SHOST_DIF_TYPE1_PROTECTION | + SHOST_DIF_TYPE2_PROTECTION | + SHOST_DIF_TYPE3_PROTECTION); + scsi_host_set_guard(h->shost, SHOST_DIX_GUARD_CRC); } err = isci_setup_interrupts(pdev); @@ -551,9 +553,9 @@ static void __devexit isci_pci_remove(struct pci_dev *pdev) int i; for_each_isci_host(i, ihost, pdev) { + wait_for_start(ihost); isci_unregister(ihost); isci_host_deinit(ihost); - sci_controller_disable_interrupts(ihost); } } diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index fe18acfd6eb..fab3586840b 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -59,6 +59,16 @@ #include "scu_event_codes.h" #include "probe_roms.h" +#undef C +#define C(a) (#a) +static const char *phy_state_name(enum sci_phy_states state) +{ + static const char * const strings[] = PHY_STATES; + + return strings[state]; +} +#undef C + /* Maximum arbitration wait time in micro-seconds */ #define SCIC_SDS_PHY_MAX_ARBITRATION_WAIT_TIME (700) @@ -67,6 +77,19 @@ enum sas_linkrate sci_phy_linkrate(struct isci_phy *iphy) return iphy->max_negotiated_speed; } +static struct isci_host *phy_to_host(struct isci_phy *iphy) +{ + struct isci_phy *table = iphy - iphy->phy_index; + struct isci_host *ihost = container_of(table, typeof(*ihost), phys[0]); + + return ihost; +} + +static struct device *sciphy_to_dev(struct isci_phy *iphy) +{ + return &phy_to_host(iphy)->pdev->dev; +} + static enum sci_status sci_phy_transport_layer_initialization(struct isci_phy *iphy, struct scu_transport_layer_registers __iomem *reg) @@ -446,8 +469,8 @@ enum sci_status sci_phy_start(struct isci_phy *iphy) enum sci_phy_states state = iphy->sm.current_state_id; if (state != SCI_PHY_STOPPED) { - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -472,8 +495,8 @@ enum sci_status sci_phy_stop(struct isci_phy *iphy) case SCI_PHY_READY: break; default: - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -486,8 +509,8 @@ enum sci_status sci_phy_reset(struct isci_phy *iphy) enum sci_phy_states state = iphy->sm.current_state_id; if (state != SCI_PHY_READY) { - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -536,8 +559,8 @@ enum sci_status sci_phy_consume_power_handler(struct isci_phy *iphy) return SCI_SUCCESS; } default: - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -591,6 +614,60 @@ static void sci_phy_complete_link_training(struct isci_phy *iphy, sci_change_state(&iphy->sm, next_state); } +static const char *phy_event_name(u32 event_code) +{ + switch (scu_get_event_code(event_code)) { + case SCU_EVENT_PORT_SELECTOR_DETECTED: + return "port selector"; + case SCU_EVENT_SENT_PORT_SELECTION: + return "port selection"; + case SCU_EVENT_HARD_RESET_TRANSMITTED: + return "tx hard reset"; + case SCU_EVENT_HARD_RESET_RECEIVED: + return "rx hard reset"; + case SCU_EVENT_RECEIVED_IDENTIFY_TIMEOUT: + return "identify timeout"; + case SCU_EVENT_LINK_FAILURE: + return "link fail"; + case SCU_EVENT_SATA_SPINUP_HOLD: + return "sata spinup hold"; + case SCU_EVENT_SAS_15_SSC: + case SCU_EVENT_SAS_15: + return "sas 1.5"; + case SCU_EVENT_SAS_30_SSC: + case SCU_EVENT_SAS_30: + return "sas 3.0"; + case SCU_EVENT_SAS_60_SSC: + case SCU_EVENT_SAS_60: + return "sas 6.0"; + case SCU_EVENT_SATA_15_SSC: + case SCU_EVENT_SATA_15: + return "sata 1.5"; + case SCU_EVENT_SATA_30_SSC: + case SCU_EVENT_SATA_30: + return "sata 3.0"; + case SCU_EVENT_SATA_60_SSC: + case SCU_EVENT_SATA_60: + return "sata 6.0"; + case SCU_EVENT_SAS_PHY_DETECTED: + return "sas detect"; + case SCU_EVENT_SATA_PHY_DETECTED: + return "sata detect"; + default: + return "unknown"; + } +} + +#define phy_event_dbg(iphy, state, code) \ + dev_dbg(sciphy_to_dev(iphy), "phy-%d:%d: %s event: %s (%x)\n", \ + phy_to_host(iphy)->id, iphy->phy_index, \ + phy_state_name(state), phy_event_name(code), code) + +#define phy_event_warn(iphy, state, code) \ + dev_warn(sciphy_to_dev(iphy), "phy-%d:%d: %s event: %s (%x)\n", \ + phy_to_host(iphy)->id, iphy->phy_index, \ + phy_state_name(state), phy_event_name(code), code) + enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) { enum sci_phy_states state = iphy->sm.current_state_id; @@ -607,11 +684,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) iphy->is_in_link_training = true; break; default: - dev_dbg(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, - event_code); + phy_event_dbg(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -648,11 +721,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; break; } @@ -677,10 +746,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, event_code); + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -691,11 +757,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received unexpected " - "event_code %x\n", - __func__, - event_code); + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -719,11 +781,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -751,12 +809,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_phy_start_sas_link_training(iphy); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, - event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -793,11 +846,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_phy_start_sas_link_training(iphy); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } @@ -815,12 +864,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: PHY starting substate machine received " - "unexpected event_code %x\n", - __func__, - event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE; } return SCI_SUCCESS; @@ -838,10 +882,7 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) iphy->bcn_received_while_port_unassigned = true; break; default: - dev_warn(sciphy_to_dev(iphy), - "%sP SCIC PHY 0x%p ready state machine received " - "unexpected event_code %x\n", - __func__, iphy, event_code); + phy_event_warn(iphy, state, event_code); return SCI_FAILURE_INVALID_STATE; } return SCI_SUCCESS; @@ -852,18 +893,14 @@ enum sci_status sci_phy_event_handler(struct isci_phy *iphy, u32 event_code) sci_change_state(&iphy->sm, SCI_PHY_STARTING); break; default: - dev_warn(sciphy_to_dev(iphy), - "%s: SCIC PHY 0x%p resetting state machine received " - "unexpected event_code %x\n", - __func__, iphy, event_code); - + phy_event_warn(iphy, state, event_code); return SCI_FAILURE_INVALID_STATE; break; } return SCI_SUCCESS; default: - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -956,8 +993,8 @@ enum sci_status sci_phy_frame_handler(struct isci_phy *iphy, u32 frame_index) return result; } default: - dev_dbg(sciphy_to_dev(iphy), - "%s: in wrong state: %d\n", __func__, state); + dev_dbg(sciphy_to_dev(iphy), "%s: in wrong state: %s\n", + __func__, phy_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1299,7 +1336,6 @@ void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index) sas_addr = cpu_to_be64(sci_sas_addr); memcpy(iphy->sas_addr, &sas_addr, sizeof(sas_addr)); - iphy->isci_port = NULL; iphy->sas_phy.enabled = 0; iphy->sas_phy.id = index; iphy->sas_phy.sas_addr = &iphy->sas_addr[0]; @@ -1333,13 +1369,13 @@ int isci_phy_control(struct asd_sas_phy *sas_phy, { int ret = 0; struct isci_phy *iphy = sas_phy->lldd_phy; - struct isci_port *iport = iphy->isci_port; + struct asd_sas_port *port = sas_phy->port; struct isci_host *ihost = sas_phy->ha->lldd_ha; unsigned long flags; dev_dbg(&ihost->pdev->dev, "%s: phy %p; func %d; buf %p; isci phy %p, port %p\n", - __func__, sas_phy, func, buf, iphy, iport); + __func__, sas_phy, func, buf, iphy, port); switch (func) { case PHY_FUNC_DISABLE: @@ -1356,11 +1392,10 @@ int isci_phy_control(struct asd_sas_phy *sas_phy, break; case PHY_FUNC_HARD_RESET: - if (!iport) + if (!port) return -ENODEV; - /* Perform the port reset. */ - ret = isci_port_perform_hard_reset(ihost, iport, iphy); + ret = isci_port_perform_hard_reset(ihost, port->lldd_port, iphy); break; case PHY_FUNC_GET_EVENTS: { diff --git a/drivers/scsi/isci/phy.h b/drivers/scsi/isci/phy.h index 67699c8e321..0e45833ba06 100644 --- a/drivers/scsi/isci/phy.h +++ b/drivers/scsi/isci/phy.h @@ -103,7 +103,6 @@ struct isci_phy { struct scu_transport_layer_registers __iomem *transport_layer_registers; struct scu_link_layer_registers __iomem *link_layer_registers; struct asd_sas_phy sas_phy; - struct isci_port *isci_port; u8 sas_addr[SAS_ADDR_SIZE]; union { struct sas_identify_frame iaf; @@ -344,101 +343,65 @@ enum sci_phy_counter_id { SCIC_PHY_COUNTER_SN_DWORD_SYNC_ERROR }; -enum sci_phy_states { - /** - * Simply the initial state for the base domain state machine. - */ - SCI_PHY_INITIAL, - - /** - * This state indicates that the phy has successfully been stopped. - * In this state no new IO operations are permitted on this phy. - * This state is entered from the INITIAL state. - * This state is entered from the STARTING state. - * This state is entered from the READY state. - * This state is entered from the RESETTING state. - */ - SCI_PHY_STOPPED, - - /** - * This state indicates that the phy is in the process of becomming - * ready. In this state no new IO operations are permitted on this phy. - * This state is entered from the STOPPED state. - * This state is entered from the READY state. - * This state is entered from the RESETTING state. - */ - SCI_PHY_STARTING, - - /** - * Initial state - */ - SCI_PHY_SUB_INITIAL, - - /** - * Wait state for the hardware OSSP event type notification - */ - SCI_PHY_SUB_AWAIT_OSSP_EN, - - /** - * Wait state for the PHY speed notification - */ - SCI_PHY_SUB_AWAIT_SAS_SPEED_EN, - - /** - * Wait state for the IAF Unsolicited frame notification - */ - SCI_PHY_SUB_AWAIT_IAF_UF, - - /** - * Wait state for the request to consume power - */ - SCI_PHY_SUB_AWAIT_SAS_POWER, - - /** - * Wait state for request to consume power - */ - SCI_PHY_SUB_AWAIT_SATA_POWER, - - /** - * Wait state for the SATA PHY notification - */ - SCI_PHY_SUB_AWAIT_SATA_PHY_EN, - - /** - * Wait for the SATA PHY speed notification - */ - SCI_PHY_SUB_AWAIT_SATA_SPEED_EN, - - /** - * Wait state for the SIGNATURE FIS unsolicited frame notification - */ - SCI_PHY_SUB_AWAIT_SIG_FIS_UF, - - /** - * Exit state for this state machine - */ - SCI_PHY_SUB_FINAL, - - /** - * This state indicates the the phy is now ready. Thus, the user - * is able to perform IO operations utilizing this phy as long as it - * is currently part of a valid port. - * This state is entered from the STARTING state. - */ - SCI_PHY_READY, - - /** - * This state indicates that the phy is in the process of being reset. - * In this state no new IO operations are permitted on this phy. - * This state is entered from the READY state. - */ - SCI_PHY_RESETTING, - - /** - * Simply the final state for the base phy state machine. - */ - SCI_PHY_FINAL, -}; +/** + * enum sci_phy_states - phy state machine states + * @SCI_PHY_INITIAL: Simply the initial state for the base domain state + * machine. + * @SCI_PHY_STOPPED: phy has successfully been stopped. In this state + * no new IO operations are permitted on this phy. + * @SCI_PHY_STARTING: the phy is in the process of becomming ready. In + * this state no new IO operations are permitted on + * this phy. + * @SCI_PHY_SUB_INITIAL: Initial state + * @SCI_PHY_SUB_AWAIT_OSSP_EN: Wait state for the hardware OSSP event + * type notification + * @SCI_PHY_SUB_AWAIT_SAS_SPEED_EN: Wait state for the PHY speed + * notification + * @SCI_PHY_SUB_AWAIT_IAF_UF: Wait state for the IAF Unsolicited frame + * notification + * @SCI_PHY_SUB_AWAIT_SAS_POWER: Wait state for the request to consume + * power + * @SCI_PHY_SUB_AWAIT_SATA_POWER: Wait state for request to consume + * power + * @SCI_PHY_SUB_AWAIT_SATA_PHY_EN: Wait state for the SATA PHY + * notification + * @SCI_PHY_SUB_AWAIT_SATA_SPEED_EN: Wait for the SATA PHY speed + * notification + * @SCI_PHY_SUB_AWAIT_SIG_FIS_UF: Wait state for the SIGNATURE FIS + * unsolicited frame notification + * @SCI_PHY_SUB_FINAL: Exit state for this state machine + * @SCI_PHY_READY: phy is now ready. Thus, the user is able to perform + * IO operations utilizing this phy as long as it is + * currently part of a valid port. This state is + * entered from the STARTING state. + * @SCI_PHY_RESETTING: phy is in the process of being reset. In this + * state no new IO operations are permitted on this + * phy. This state is entered from the READY state. + * @SCI_PHY_FINAL: Simply the final state for the base phy state + * machine. + */ +#define PHY_STATES {\ + C(PHY_INITIAL),\ + C(PHY_STOPPED),\ + C(PHY_STARTING),\ + C(PHY_SUB_INITIAL),\ + C(PHY_SUB_AWAIT_OSSP_EN),\ + C(PHY_SUB_AWAIT_SAS_SPEED_EN),\ + C(PHY_SUB_AWAIT_IAF_UF),\ + C(PHY_SUB_AWAIT_SAS_POWER),\ + C(PHY_SUB_AWAIT_SATA_POWER),\ + C(PHY_SUB_AWAIT_SATA_PHY_EN),\ + C(PHY_SUB_AWAIT_SATA_SPEED_EN),\ + C(PHY_SUB_AWAIT_SIG_FIS_UF),\ + C(PHY_SUB_FINAL),\ + C(PHY_READY),\ + C(PHY_RESETTING),\ + C(PHY_FINAL),\ + } +#undef C +#define C(a) SCI_##a +enum sci_phy_states PHY_STATES; +#undef C void sci_phy_construct( struct isci_phy *iphy, diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index 7c6ac58a5c4..5fada73b71f 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -60,18 +60,29 @@ #define SCIC_SDS_PORT_HARD_RESET_TIMEOUT (1000) #define SCU_DUMMY_INDEX (0xFFFF) -static void isci_port_change_state(struct isci_port *iport, enum isci_status status) +#undef C +#define C(a) (#a) +const char *port_state_name(enum sci_port_states state) { - unsigned long flags; + static const char * const strings[] = PORT_STATES; + + return strings[state]; +} +#undef C + +static struct device *sciport_to_dev(struct isci_port *iport) +{ + int i = iport->physical_port_index; + struct isci_port *table; + struct isci_host *ihost; + + if (i == SCIC_SDS_DUMMY_PORT) + i = SCI_MAX_PORTS+1; - dev_dbg(&iport->isci_host->pdev->dev, - "%s: iport = %p, state = 0x%x\n", - __func__, iport, status); + table = iport - i; + ihost = container_of(table, typeof(*ihost), ports[0]); - /* XXX pointless lock */ - spin_lock_irqsave(&iport->state_lock, flags); - iport->status = status; - spin_unlock_irqrestore(&iport->state_lock, flags); + return &ihost->pdev->dev; } static void sci_port_get_protocols(struct isci_port *iport, struct sci_phy_proto *proto) @@ -165,18 +176,12 @@ static void isci_port_link_up(struct isci_host *isci_host, struct sci_port_properties properties; unsigned long success = true; - BUG_ON(iphy->isci_port != NULL); - - iphy->isci_port = iport; - dev_dbg(&isci_host->pdev->dev, "%s: isci_port = %p\n", __func__, iport); spin_lock_irqsave(&iphy->sas_phy.frame_rcvd_lock, flags); - isci_port_change_state(iphy->isci_port, isci_starting); - sci_port_get_properties(iport, &properties); if (iphy->protocol == SCIC_SDS_PHY_PROTOCOL_SATA) { @@ -258,7 +263,6 @@ static void isci_port_link_down(struct isci_host *isci_host, __func__, isci_device); set_bit(IDEV_GONE, &isci_device->flags); } - isci_port_change_state(isci_port, isci_stopping); } } @@ -269,52 +273,10 @@ static void isci_port_link_down(struct isci_host *isci_host, isci_host->sas_ha.notify_phy_event(&isci_phy->sas_phy, PHYE_LOSS_OF_SIGNAL); - isci_phy->isci_port = NULL; - dev_dbg(&isci_host->pdev->dev, "%s: isci_port = %p - Done\n", __func__, isci_port); } - -/** - * isci_port_ready() - This function is called by the sci core when a link - * becomes ready. - * @isci_host: This parameter specifies the isci host object. - * @port: This parameter specifies the sci port with the active link. - * - */ -static void isci_port_ready(struct isci_host *isci_host, struct isci_port *isci_port) -{ - dev_dbg(&isci_host->pdev->dev, - "%s: isci_port = %p\n", __func__, isci_port); - - complete_all(&isci_port->start_complete); - isci_port_change_state(isci_port, isci_ready); - return; -} - -/** - * isci_port_not_ready() - This function is called by the sci core when a link - * is not ready. All remote devices on this link will be removed if they are - * in the stopping state. - * @isci_host: This parameter specifies the isci host object. - * @port: This parameter specifies the sci port with the active link. - * - */ -static void isci_port_not_ready(struct isci_host *isci_host, struct isci_port *isci_port) -{ - dev_dbg(&isci_host->pdev->dev, - "%s: isci_port = %p\n", __func__, isci_port); -} - -static void isci_port_stop_complete(struct isci_host *ihost, - struct isci_port *iport, - enum sci_status completion_status) -{ - dev_dbg(&ihost->pdev->dev, "Port stop complete\n"); -} - - static bool is_port_ready_state(enum sci_port_states state) { switch (state) { @@ -353,7 +315,9 @@ static void port_state_machine_change(struct isci_port *iport, static void isci_port_hard_reset_complete(struct isci_port *isci_port, enum sci_status completion_status) { - dev_dbg(&isci_port->isci_host->pdev->dev, + struct isci_host *ihost = isci_port->owning_controller; + + dev_dbg(&ihost->pdev->dev, "%s: isci_port = %p, completion_status=%x\n", __func__, isci_port, completion_status); @@ -364,23 +328,24 @@ static void isci_port_hard_reset_complete(struct isci_port *isci_port, /* The reset failed. The port state is now SCI_PORT_FAILED. */ if (isci_port->active_phy_mask == 0) { + int phy_idx = isci_port->last_active_phy; + struct isci_phy *iphy = &ihost->phys[phy_idx]; /* Generate the link down now to the host, since it * was intercepted by the hard reset state machine when * it really happened. */ - isci_port_link_down(isci_port->isci_host, - &isci_port->isci_host->phys[ - isci_port->last_active_phy], - isci_port); + isci_port_link_down(ihost, iphy, isci_port); } /* Advance the port state so that link state changes will be - * noticed. - */ + * noticed. + */ port_state_machine_change(isci_port, SCI_PORT_SUB_WAITING); } - complete_all(&isci_port->hard_reset_complete); + clear_bit(IPORT_RESET_PENDING, &isci_port->state); + wake_up(&ihost->eventq); + } /* This method will return a true value if the specified phy can be assigned to @@ -835,10 +800,9 @@ static void port_timeout(unsigned long data) __func__, iport); } else if (current_state == SCI_PORT_STOPPING) { - /* if the port is still stopping then the stop has not completed */ - isci_port_stop_complete(iport->owning_controller, - iport, - SCI_FAILURE_TIMEOUT); + dev_dbg(sciport_to_dev(iport), + "%s: port%d: stop complete timeout\n", + __func__, iport->physical_port_index); } else { /* The port is in the ready state and we have a timer * reporting a timeout this should not happen. @@ -1003,7 +967,8 @@ static void sci_port_ready_substate_operational_enter(struct sci_base_state_mach struct isci_port *iport = container_of(sm, typeof(*iport), sm); struct isci_host *ihost = iport->owning_controller; - isci_port_ready(ihost, iport); + dev_dbg(&ihost->pdev->dev, "%s: port%d ready\n", + __func__, iport->physical_port_index); for (index = 0; index < SCI_MAX_PHYS; index++) { if (iport->phy_table[index]) { @@ -1069,7 +1034,8 @@ static void sci_port_ready_substate_operational_exit(struct sci_base_state_machi */ sci_port_abort_dummy_request(iport); - isci_port_not_ready(ihost, iport); + dev_dbg(&ihost->pdev->dev, "%s: port%d !ready\n", + __func__, iport->physical_port_index); if (iport->ready_exit) sci_port_invalidate_dummy_remote_node(iport); @@ -1081,7 +1047,8 @@ static void sci_port_ready_substate_configuring_enter(struct sci_base_state_mach struct isci_host *ihost = iport->owning_controller; if (iport->active_phy_mask == 0) { - isci_port_not_ready(ihost, iport); + dev_dbg(&ihost->pdev->dev, "%s: port%d !ready\n", + __func__, iport->physical_port_index); port_state_machine_change(iport, SCI_PORT_SUB_WAITING); } else @@ -1097,8 +1064,8 @@ enum sci_status sci_port_start(struct isci_port *iport) state = iport->sm.current_state_id; if (state != SCI_PORT_STOPPED) { - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1172,8 +1139,8 @@ enum sci_status sci_port_stop(struct isci_port *iport) SCI_PORT_STOPPING); return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1187,8 +1154,8 @@ static enum sci_status sci_port_hard_reset(struct isci_port *iport, u32 timeout) state = iport->sm.current_state_id; if (state != SCI_PORT_SUB_OPERATIONAL) { - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1282,8 +1249,8 @@ enum sci_status sci_port_add_phy(struct isci_port *iport, SCI_PORT_SUB_CONFIGURING); return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1332,8 +1299,8 @@ enum sci_status sci_port_remove_phy(struct isci_port *iport, SCI_PORT_SUB_CONFIGURING); return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1375,8 +1342,8 @@ enum sci_status sci_port_link_up(struct isci_port *iport, sci_port_general_link_up_handler(iport, iphy, PF_RESUME); return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1405,8 +1372,8 @@ enum sci_status sci_port_link_down(struct isci_port *iport, sci_port_deactivate_phy(iport, iphy, false); return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1425,8 +1392,8 @@ enum sci_status sci_port_start_io(struct isci_port *iport, iport->started_request_count++; return SCI_SUCCESS; default: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -1440,8 +1407,8 @@ enum sci_status sci_port_complete_io(struct isci_port *iport, state = iport->sm.current_state_id; switch (state) { case SCI_PORT_STOPPED: - dev_warn(sciport_to_dev(iport), - "%s: in wrong state: %d\n", __func__, state); + dev_warn(sciport_to_dev(iport), "%s: in wrong state: %s\n", + __func__, port_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_PORT_STOPPING: sci_port_decrement_request_count(iport); @@ -1547,7 +1514,8 @@ static void sci_port_ready_state_enter(struct sci_base_state_machine *sm) if (prev_state == SCI_PORT_RESETTING) isci_port_hard_reset_complete(iport, SCI_SUCCESS); else - isci_port_not_ready(ihost, iport); + dev_dbg(&ihost->pdev->dev, "%s: port%d !ready\n", + __func__, iport->physical_port_index); /* Post and suspend the dummy remote node context for this port. */ sci_port_post_dummy_remote_node(iport); @@ -1644,22 +1612,7 @@ void isci_port_init(struct isci_port *iport, struct isci_host *ihost, int index) { INIT_LIST_HEAD(&iport->remote_dev_list); INIT_LIST_HEAD(&iport->domain_dev_list); - spin_lock_init(&iport->state_lock); - init_completion(&iport->start_complete); iport->isci_host = ihost; - isci_port_change_state(iport, isci_freed); -} - -/** - * isci_port_get_state() - This function gets the status of the port object. - * @isci_port: This parameter points to the isci_port object - * - * status of the object as a isci_status enum. - */ -enum isci_status isci_port_get_state( - struct isci_port *isci_port) -{ - return isci_port->status; } void sci_port_broadcast_change_received(struct isci_port *iport, struct isci_phy *iphy) @@ -1670,6 +1623,11 @@ void sci_port_broadcast_change_received(struct isci_port *iport, struct isci_phy isci_port_bc_change_received(ihost, iport, iphy); } +static void wait_port_reset(struct isci_host *ihost, struct isci_port *iport) +{ + wait_event(ihost->eventq, !test_bit(IPORT_RESET_PENDING, &iport->state)); +} + int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *iport, struct isci_phy *iphy) { @@ -1680,9 +1638,8 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor dev_dbg(&ihost->pdev->dev, "%s: iport = %p\n", __func__, iport); - init_completion(&iport->hard_reset_complete); - spin_lock_irqsave(&ihost->scic_lock, flags); + set_bit(IPORT_RESET_PENDING, &iport->state); #define ISCI_PORT_RESET_TIMEOUT SCIC_SDS_SIGNATURE_FIS_TIMEOUT status = sci_port_hard_reset(iport, ISCI_PORT_RESET_TIMEOUT); @@ -1690,7 +1647,7 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor spin_unlock_irqrestore(&ihost->scic_lock, flags); if (status == SCI_SUCCESS) { - wait_for_completion(&iport->hard_reset_complete); + wait_port_reset(ihost, iport); dev_dbg(&ihost->pdev->dev, "%s: iport = %p; hard reset completion\n", @@ -1704,6 +1661,8 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor __func__, iport, iport->hard_reset_status); } } else { + clear_bit(IPORT_RESET_PENDING, &iport->state); + wake_up(&ihost->eventq); ret = TMF_RESP_FUNC_FAILED; dev_err(&ihost->pdev->dev, @@ -1726,24 +1685,80 @@ int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *ipor return ret; } -/** - * isci_port_deformed() - This function is called by libsas when a port becomes - * inactive. - * @phy: This parameter specifies the libsas phy with the inactive port. - * - */ +int isci_ata_check_ready(struct domain_device *dev) +{ + struct isci_port *iport = dev->port->lldd_port; + struct isci_host *ihost = dev_to_ihost(dev); + struct isci_remote_device *idev; + unsigned long flags; + int rc = 0; + + spin_lock_irqsave(&ihost->scic_lock, flags); + idev = isci_lookup_device(dev); + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + if (!idev) + goto out; + + if (test_bit(IPORT_RESET_PENDING, &iport->state)) + goto out; + + rc = !!iport->active_phy_mask; + out: + isci_put_device(idev); + + return rc; +} + void isci_port_deformed(struct asd_sas_phy *phy) { - pr_debug("%s: sas_phy = %p\n", __func__, phy); + struct isci_host *ihost = phy->ha->lldd_ha; + struct isci_port *iport = phy->port->lldd_port; + unsigned long flags; + int i; + + /* we got a port notification on a port that was subsequently + * torn down and libsas is just now catching up + */ + if (!iport) + return; + + spin_lock_irqsave(&ihost->scic_lock, flags); + for (i = 0; i < SCI_MAX_PHYS; i++) { + if (iport->active_phy_mask & 1 << i) + break; + } + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + if (i >= SCI_MAX_PHYS) + dev_dbg(&ihost->pdev->dev, "%s: port: %ld\n", + __func__, (long) (iport - &ihost->ports[0])); } -/** - * isci_port_formed() - This function is called by libsas when a port becomes - * active. - * @phy: This parameter specifies the libsas phy with the active port. - * - */ void isci_port_formed(struct asd_sas_phy *phy) { - pr_debug("%s: sas_phy = %p, sas_port = %p\n", __func__, phy, phy->port); + struct isci_host *ihost = phy->ha->lldd_ha; + struct isci_phy *iphy = to_iphy(phy); + struct asd_sas_port *port = phy->port; + struct isci_port *iport; + unsigned long flags; + int i; + + /* initial ports are formed as the driver is still initializing, + * wait for that process to complete + */ + wait_for_start(ihost); + + spin_lock_irqsave(&ihost->scic_lock, flags); + for (i = 0; i < SCI_MAX_PORTS; i++) { + iport = &ihost->ports[i]; + if (iport->active_phy_mask & 1 << iphy->phy_index) + break; + } + spin_unlock_irqrestore(&ihost->scic_lock, flags); + + if (i >= SCI_MAX_PORTS) + iport = NULL; + + port->lldd_port = iport; } diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h index 08116090eb7..6b56240c205 100644 --- a/drivers/scsi/isci/port.h +++ b/drivers/scsi/isci/port.h @@ -95,14 +95,11 @@ enum isci_status { * @timer: timeout start/stop operations */ struct isci_port { - enum isci_status status; struct isci_host *isci_host; - struct asd_sas_port sas_port; struct list_head remote_dev_list; - spinlock_t state_lock; struct list_head domain_dev_list; - struct completion start_complete; - struct completion hard_reset_complete; + #define IPORT_RESET_PENDING 0 + unsigned long state; enum sci_status hard_reset_status; struct sci_base_state_machine sm; bool ready_exit; @@ -147,70 +144,47 @@ struct sci_port_properties { }; /** - * enum sci_port_states - This enumeration depicts all the states for the - * common port state machine. - * - * + * enum sci_port_states - port state machine states + * @SCI_PORT_STOPPED: port has successfully been stopped. In this state + * no new IO operations are permitted. This state is + * entered from the STOPPING state. + * @SCI_PORT_STOPPING: port is in the process of stopping. In this + * state no new IO operations are permitted, but + * existing IO operations are allowed to complete. + * This state is entered from the READY state. + * @SCI_PORT_READY: port is now ready. Thus, the user is able to + * perform IO operations on this port. This state is + * entered from the STARTING state. + * @SCI_PORT_SUB_WAITING: port is started and ready but has no active + * phys. + * @SCI_PORT_SUB_OPERATIONAL: port is started and ready and there is at + * least one phy operational. + * @SCI_PORT_SUB_CONFIGURING: port is started and there was an + * add/remove phy event. This state is only + * used in Automatic Port Configuration Mode + * (APC) + * @SCI_PORT_RESETTING: port is in the process of performing a hard + * reset. Thus, the user is unable to perform IO + * operations on this port. This state is entered + * from the READY state. + * @SCI_PORT_FAILED: port has failed a reset request. This state is + * entered when a port reset request times out. This + * state is entered from the RESETTING state. */ -enum sci_port_states { - /** - * This state indicates that the port has successfully been stopped. - * In this state no new IO operations are permitted. - * This state is entered from the STOPPING state. - */ - SCI_PORT_STOPPED, - - /** - * This state indicates that the port is in the process of stopping. - * In this state no new IO operations are permitted, but existing IO - * operations are allowed to complete. - * This state is entered from the READY state. - */ - SCI_PORT_STOPPING, - - /** - * This state indicates the port is now ready. Thus, the user is - * able to perform IO operations on this port. - * This state is entered from the STARTING state. - */ - SCI_PORT_READY, - - /** - * The substate where the port is started and ready but has no - * active phys. - */ - SCI_PORT_SUB_WAITING, - - /** - * The substate where the port is started and ready and there is - * at least one phy operational. - */ - SCI_PORT_SUB_OPERATIONAL, - - /** - * The substate where the port is started and there was an - * add/remove phy event. This state is only used in Automatic - * Port Configuration Mode (APC) - */ - SCI_PORT_SUB_CONFIGURING, - - /** - * This state indicates the port is in the process of performing a hard - * reset. Thus, the user is unable to perform IO operations on this - * port. - * This state is entered from the READY state. - */ - SCI_PORT_RESETTING, - - /** - * This state indicates the port has failed a reset request. This state - * is entered when a port reset request times out. - * This state is entered from the RESETTING state. - */ - SCI_PORT_FAILED, - - -}; +#define PORT_STATES {\ + C(PORT_STOPPED),\ + C(PORT_STOPPING),\ + C(PORT_READY),\ + C(PORT_SUB_WAITING),\ + C(PORT_SUB_OPERATIONAL),\ + C(PORT_SUB_CONFIGURING),\ + C(PORT_RESETTING),\ + C(PORT_FAILED),\ + } +#undef C +#define C(a) SCI_##a +enum sci_port_states PORT_STATES; +#undef C static inline void sci_port_decrement_request_count(struct isci_port *iport) { @@ -296,9 +270,6 @@ void sci_port_get_attached_sas_address( struct isci_port *iport, struct sci_sas_address *sas_address); -enum isci_status isci_port_get_state( - struct isci_port *isci_port); - void isci_port_formed(struct asd_sas_phy *); void isci_port_deformed(struct asd_sas_phy *); @@ -309,4 +280,5 @@ void isci_port_init( int isci_port_perform_hard_reset(struct isci_host *ihost, struct isci_port *iport, struct isci_phy *iphy); +int isci_ata_check_ready(struct domain_device *dev); #endif /* !defined(_ISCI_PORT_H_) */ diff --git a/drivers/scsi/isci/registers.h b/drivers/scsi/isci/registers.h index eaa541afc75..7eb0ccd45fe 100644 --- a/drivers/scsi/isci/registers.h +++ b/drivers/scsi/isci/registers.h @@ -370,6 +370,27 @@ struct scu_iit_entry { >> SMU_DEVICE_CONTEXT_CAPACITY_MAX_RNC_SHIFT \ ) +/* ***************************************************************************** */ +#define SMU_CLOCK_GATING_CONTROL_IDLE_ENABLE_SHIFT (0) +#define SMU_CLOCK_GATING_CONTROL_IDLE_ENABLE_MASK (0x00000001) +#define SMU_CLOCK_GATING_CONTROL_XCLK_ENABLE_SHIFT (1) +#define SMU_CLOCK_GATING_CONTROL_XCLK_ENABLE_MASK (0x00000002) +#define SMU_CLOCK_GATING_CONTROL_TXCLK_ENABLE_SHIFT (2) +#define SMU_CLOCK_GATING_CONTROL_TXCLK_ENABLE_MASK (0x00000004) +#define SMU_CLOCK_GATING_CONTROL_REGCLK_ENABLE_SHIFT (3) +#define SMU_CLOCK_GATING_CONTROL_REGCLK_ENABLE_MASK (0x00000008) +#define SMU_CLOCK_GATING_CONTROL_IDLE_TIMEOUT_SHIFT (16) +#define SMU_CLOCK_GATING_CONTROL_IDLE_TIMEOUT_MASK (0x000F0000) +#define SMU_CLOCK_GATING_CONTROL_FORCE_IDLE_SHIFT (31) +#define SMU_CLOCK_GATING_CONTROL_FORCE_IDLE_MASK (0x80000000) +#define SMU_CLOCK_GATING_CONTROL_RESERVED_MASK (0x7FF0FFF0) + +#define SMU_CGUCR_GEN_VAL(name, value) \ + SCU_GEN_VALUE(SMU_CLOCK_GATING_CONTROL_##name, value) + +#define SMU_CGUCR_GEN_BIT(name) \ + SCU_GEN_BIT(SMU_CLOCK_GATING_CONTROL_##name) + /* -------------------------------------------------------------------------- */ #define SMU_CONTROL_STATUS_TASK_CONTEXT_RANGE_ENABLE_SHIFT (0) @@ -992,8 +1013,10 @@ struct smu_registers { u32 mmr_address_window; /* 0x00A4 SMDW */ u32 mmr_data_window; - u32 reserved_A8; - u32 reserved_AC; +/* 0x00A8 CGUCR */ + u32 clock_gating_control; +/* 0x00AC CGUPC */ + u32 clock_gating_performance; /* A whole bunch of reserved space */ u32 reserved_Bx[4]; u32 reserved_Cx[4]; diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index dd74b6ceeb8..8f501b0a81d 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -62,6 +62,16 @@ #include "scu_event_codes.h" #include "task.h" +#undef C +#define C(a) (#a) +const char *dev_state_name(enum sci_remote_device_states state) +{ + static const char * const strings[] = REMOTE_DEV_STATES; + + return strings[state]; +} +#undef C + /** * isci_remote_device_not_ready() - This function is called by the ihost when * the remote device is not ready. We mark the isci device as ready (not @@ -167,8 +177,8 @@ enum sci_status sci_remote_device_stop(struct isci_remote_device *idev, case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_STOPPED: return SCI_SUCCESS; @@ -226,8 +236,8 @@ enum sci_status sci_remote_device_reset(struct isci_remote_device *idev) case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: case SCI_STP_DEV_IDLE: @@ -246,8 +256,8 @@ enum sci_status sci_remote_device_reset_complete(struct isci_remote_device *idev enum sci_remote_device_states state = sm->current_state_id; if (state != SCI_DEV_RESETTING) { - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -262,8 +272,8 @@ enum sci_status sci_remote_device_suspend(struct isci_remote_device *idev, enum sci_remote_device_states state = sm->current_state_id; if (state != SCI_STP_DEV_CMD) { - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -287,8 +297,8 @@ enum sci_status sci_remote_device_frame_handler(struct isci_remote_device *idev, case SCI_SMP_DEV_IDLE: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); /* Return the frame back to the controller */ sci_controller_release_frame(ihost, frame_index); return SCI_FAILURE_INVALID_STATE; @@ -502,8 +512,8 @@ enum sci_status sci_remote_device_start_io(struct isci_host *ihost, case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: /* attempt to start an io request for this device object. The remote @@ -637,8 +647,8 @@ enum sci_status sci_remote_device_complete_io(struct isci_host *ihost, case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: case SCI_STP_DEV_AWAIT_RESET: @@ -721,8 +731,8 @@ enum sci_status sci_remote_device_start_task(struct isci_host *ihost, case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; case SCI_STP_DEV_IDLE: case SCI_STP_DEV_CMD: @@ -853,8 +863,8 @@ static enum sci_status sci_remote_device_destruct(struct isci_remote_device *ide struct isci_host *ihost; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1204,8 +1214,8 @@ static enum sci_status sci_remote_device_start(struct isci_remote_device *idev, enum sci_status status; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", - __func__, state); + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %s\n", + __func__, dev_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1308,7 +1318,6 @@ void isci_remote_device_release(struct kref *kref) clear_bit(IDEV_STOP_PENDING, &idev->flags); clear_bit(IDEV_IO_READY, &idev->flags); clear_bit(IDEV_GONE, &idev->flags); - clear_bit(IDEV_EH, &idev->flags); smp_mb__before_clear_bit(); clear_bit(IDEV_ALLOCATED, &idev->flags); wake_up(&ihost->eventq); @@ -1381,34 +1390,17 @@ void isci_remote_device_gone(struct domain_device *dev) * * status, zero indicates success. */ -int isci_remote_device_found(struct domain_device *domain_dev) +int isci_remote_device_found(struct domain_device *dev) { - struct isci_host *isci_host = dev_to_ihost(domain_dev); - struct isci_port *isci_port; - struct isci_phy *isci_phy; - struct asd_sas_port *sas_port; - struct asd_sas_phy *sas_phy; + struct isci_host *isci_host = dev_to_ihost(dev); + struct isci_port *isci_port = dev->port->lldd_port; struct isci_remote_device *isci_device; enum sci_status status; dev_dbg(&isci_host->pdev->dev, - "%s: domain_device = %p\n", __func__, domain_dev); - - wait_for_start(isci_host); - - sas_port = domain_dev->port; - sas_phy = list_first_entry(&sas_port->phy_list, struct asd_sas_phy, - port_phy_el); - isci_phy = to_iphy(sas_phy); - isci_port = isci_phy->isci_port; - - /* we are being called for a device on this port, - * so it has to come up eventually - */ - wait_for_completion(&isci_port->start_complete); + "%s: domain_device = %p\n", __func__, dev); - if ((isci_stopping == isci_port_get_state(isci_port)) || - (isci_stopped == isci_port_get_state(isci_port))) + if (!isci_port) return -ENODEV; isci_device = isci_remote_device_alloc(isci_host, isci_port); @@ -1419,7 +1411,7 @@ int isci_remote_device_found(struct domain_device *domain_dev) INIT_LIST_HEAD(&isci_device->node); spin_lock_irq(&isci_host->scic_lock); - isci_device->domain_dev = domain_dev; + isci_device->domain_dev = dev; isci_device->isci_port = isci_port; list_add_tail(&isci_device->node, &isci_port->remote_dev_list); @@ -1432,7 +1424,7 @@ int isci_remote_device_found(struct domain_device *domain_dev) if (status == SCI_SUCCESS) { /* device came up, advertise it to the world */ - domain_dev->lldd_dev = isci_device; + dev->lldd_dev = isci_device; } else isci_put_device(isci_device); spin_unlock_irq(&isci_host->scic_lock); diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index 483ee50152f..58637ee08f5 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -82,10 +82,9 @@ struct isci_remote_device { #define IDEV_START_PENDING 0 #define IDEV_STOP_PENDING 1 #define IDEV_ALLOCATED 2 - #define IDEV_EH 3 - #define IDEV_GONE 4 - #define IDEV_IO_READY 5 - #define IDEV_IO_NCQERROR 6 + #define IDEV_GONE 3 + #define IDEV_IO_READY 4 + #define IDEV_IO_NCQERROR 5 unsigned long flags; struct kref kref; struct isci_port *isci_port; @@ -180,122 +179,101 @@ enum sci_status sci_remote_device_reset_complete( /** * enum sci_remote_device_states - This enumeration depicts all the states * for the common remote device state machine. + * @SCI_DEV_INITIAL: Simply the initial state for the base remote device + * state machine. * + * @SCI_DEV_STOPPED: This state indicates that the remote device has + * successfully been stopped. In this state no new IO operations are + * permitted. This state is entered from the INITIAL state. This state + * is entered from the STOPPING state. * + * @SCI_DEV_STARTING: This state indicates the the remote device is in + * the process of becoming ready (i.e. starting). In this state no new + * IO operations are permitted. This state is entered from the STOPPED + * state. + * + * @SCI_DEV_READY: This state indicates the remote device is now ready. + * Thus, the user is able to perform IO operations on the remote device. + * This state is entered from the STARTING state. + * + * @SCI_STP_DEV_IDLE: This is the idle substate for the stp remote + * device. When there are no active IO for the device it is is in this + * state. + * + * @SCI_STP_DEV_CMD: This is the command state for for the STP remote + * device. This state is entered when the device is processing a + * non-NCQ command. The device object will fail any new start IO + * requests until this command is complete. + * + * @SCI_STP_DEV_NCQ: This is the NCQ state for the STP remote device. + * This state is entered when the device is processing an NCQ reuqest. + * It will remain in this state so long as there is one or more NCQ + * requests being processed. + * + * @SCI_STP_DEV_NCQ_ERROR: This is the NCQ error state for the STP + * remote device. This state is entered when an SDB error FIS is + * received by the device object while in the NCQ state. The device + * object will only accept a READ LOG command while in this state. + * + * @SCI_STP_DEV_ATAPI_ERROR: This is the ATAPI error state for the STP + * ATAPI remote device. This state is entered when ATAPI device sends + * error status FIS without data while the device object is in CMD + * state. A suspension event is expected in this state. The device + * object will resume right away. + * + * @SCI_STP_DEV_AWAIT_RESET: This is the READY substate indicates the + * device is waiting for the RESET task coming to be recovered from + * certain hardware specific error. + * + * @SCI_SMP_DEV_IDLE: This is the ready operational substate for the + * remote device. This is the normal operational state for a remote + * device. + * + * @SCI_SMP_DEV_CMD: This is the suspended state for the remote device. + * This is the state that the device is placed in when a RNC suspend is + * received by the SCU hardware. + * + * @SCI_DEV_STOPPING: This state indicates that the remote device is in + * the process of stopping. In this state no new IO operations are + * permitted, but existing IO operations are allowed to complete. This + * state is entered from the READY state. This state is entered from + * the FAILED state. + * + * @SCI_DEV_FAILED: This state indicates that the remote device has + * failed. In this state no new IO operations are permitted. This + * state is entered from the INITIALIZING state. This state is entered + * from the READY state. + * + * @SCI_DEV_RESETTING: This state indicates the device is being reset. + * In this state no new IO operations are permitted. This state is + * entered from the READY state. + * + * @SCI_DEV_FINAL: Simply the final state for the base remote device + * state machine. */ -enum sci_remote_device_states { - /** - * Simply the initial state for the base remote device state machine. - */ - SCI_DEV_INITIAL, - - /** - * This state indicates that the remote device has successfully been - * stopped. In this state no new IO operations are permitted. - * This state is entered from the INITIAL state. - * This state is entered from the STOPPING state. - */ - SCI_DEV_STOPPED, - - /** - * This state indicates the the remote device is in the process of - * becoming ready (i.e. starting). In this state no new IO operations - * are permitted. - * This state is entered from the STOPPED state. - */ - SCI_DEV_STARTING, - - /** - * This state indicates the remote device is now ready. Thus, the user - * is able to perform IO operations on the remote device. - * This state is entered from the STARTING state. - */ - SCI_DEV_READY, - - /** - * This is the idle substate for the stp remote device. When there are no - * active IO for the device it is is in this state. - */ - SCI_STP_DEV_IDLE, - - /** - * This is the command state for for the STP remote device. This state is - * entered when the device is processing a non-NCQ command. The device object - * will fail any new start IO requests until this command is complete. - */ - SCI_STP_DEV_CMD, - - /** - * This is the NCQ state for the STP remote device. This state is entered - * when the device is processing an NCQ reuqest. It will remain in this state - * so long as there is one or more NCQ requests being processed. - */ - SCI_STP_DEV_NCQ, - - /** - * This is the NCQ error state for the STP remote device. This state is - * entered when an SDB error FIS is received by the device object while in the - * NCQ state. The device object will only accept a READ LOG command while in - * this state. - */ - SCI_STP_DEV_NCQ_ERROR, - - /** - * This is the ATAPI error state for the STP ATAPI remote device. - * This state is entered when ATAPI device sends error status FIS - * without data while the device object is in CMD state. - * A suspension event is expected in this state. - * The device object will resume right away. - */ - SCI_STP_DEV_ATAPI_ERROR, - - /** - * This is the READY substate indicates the device is waiting for the RESET task - * coming to be recovered from certain hardware specific error. - */ - SCI_STP_DEV_AWAIT_RESET, - - /** - * This is the ready operational substate for the remote device. This is the - * normal operational state for a remote device. - */ - SCI_SMP_DEV_IDLE, - - /** - * This is the suspended state for the remote device. This is the state that - * the device is placed in when a RNC suspend is received by the SCU hardware. - */ - SCI_SMP_DEV_CMD, - - /** - * This state indicates that the remote device is in the process of - * stopping. In this state no new IO operations are permitted, but - * existing IO operations are allowed to complete. - * This state is entered from the READY state. - * This state is entered from the FAILED state. - */ - SCI_DEV_STOPPING, - - /** - * This state indicates that the remote device has failed. - * In this state no new IO operations are permitted. - * This state is entered from the INITIALIZING state. - * This state is entered from the READY state. - */ - SCI_DEV_FAILED, - - /** - * This state indicates the device is being reset. - * In this state no new IO operations are permitted. - * This state is entered from the READY state. - */ - SCI_DEV_RESETTING, - - /** - * Simply the final state for the base remote device state machine. - */ - SCI_DEV_FINAL, -}; +#define REMOTE_DEV_STATES {\ + C(DEV_INITIAL),\ + C(DEV_STOPPED),\ + C(DEV_STARTING),\ + C(DEV_READY),\ + C(STP_DEV_IDLE),\ + C(STP_DEV_CMD),\ + C(STP_DEV_NCQ),\ + C(STP_DEV_NCQ_ERROR),\ + C(STP_DEV_ATAPI_ERROR),\ + C(STP_DEV_AWAIT_RESET),\ + C(SMP_DEV_IDLE),\ + C(SMP_DEV_CMD),\ + C(DEV_STOPPING),\ + C(DEV_FAILED),\ + C(DEV_RESETTING),\ + C(DEV_FINAL),\ + } +#undef C +#define C(a) SCI_##a +enum sci_remote_device_states REMOTE_DEV_STATES; +#undef C +const char *dev_state_name(enum sci_remote_device_states state); static inline struct isci_remote_device *rnc_to_dev(struct sci_remote_node_context *rnc) { diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index 748e8339d1e..3a9463481f3 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -60,18 +60,15 @@ #include "scu_event_codes.h" #include "scu_task_context.h" +#undef C +#define C(a) (#a) +const char *rnc_state_name(enum scis_sds_remote_node_context_states state) +{ + static const char * const strings[] = RNC_STATES; -/** - * - * @sci_rnc: The RNC for which the is posted request is being made. - * - * This method will return true if the RNC is not in the initial state. In all - * other states the RNC is considered active and this will return true. The - * destroy request of the state machine drives the RNC back to the initial - * state. If the state machine changes then this routine will also have to be - * changed. bool true if the state machine is not in the initial state false if - * the state machine is in the initial state - */ + return strings[state]; +} +#undef C /** * diff --git a/drivers/scsi/isci/remote_node_context.h b/drivers/scsi/isci/remote_node_context.h index 41580ad1252..a241e0f4c86 100644 --- a/drivers/scsi/isci/remote_node_context.h +++ b/drivers/scsi/isci/remote_node_context.h @@ -85,61 +85,50 @@ struct sci_remote_node_context; typedef void (*scics_sds_remote_node_context_callback)(void *); /** - * This is the enumeration of the remote node context states. + * enum sci_remote_node_context_states + * @SCI_RNC_INITIAL initial state for a remote node context. On a resume + * request the remote node context will transition to the posting state. + * + * @SCI_RNC_POSTING: transition state that posts the RNi to the hardware. Once + * the RNC is posted the remote node context will be made ready. + * + * @SCI_RNC_INVALIDATING: transition state that will post an RNC invalidate to + * the hardware. Once the invalidate is complete the remote node context will + * transition to the posting state. + * + * @SCI_RNC_RESUMING: transition state that will post an RNC resume to the + * hardare. Once the event notification of resume complete is received the + * remote node context will transition to the ready state. + * + * @SCI_RNC_READY: state that the remote node context must be in to accept io + * request operations. + * + * @SCI_RNC_TX_SUSPENDED: state that the remote node context transitions to when + * it gets a TX suspend notification from the hardware. + * + * @SCI_RNC_TX_RX_SUSPENDED: state that the remote node context transitions to + * when it gets a TX RX suspend notification from the hardware. + * + * @SCI_RNC_AWAIT_SUSPENSION: wait state for the remote node context that waits + * for a suspend notification from the hardware. This state is entered when + * either there is a request to supend the remote node context or when there is + * a TC completion where the remote node will be suspended by the hardware. */ -enum scis_sds_remote_node_context_states { - /** - * This state is the initial state for a remote node context. On a resume - * request the remote node context will transition to the posting state. - */ - SCI_RNC_INITIAL, - - /** - * This is a transition state that posts the RNi to the hardware. Once the RNC - * is posted the remote node context will be made ready. - */ - SCI_RNC_POSTING, - - /** - * This is a transition state that will post an RNC invalidate to the - * hardware. Once the invalidate is complete the remote node context will - * transition to the posting state. - */ - SCI_RNC_INVALIDATING, - - /** - * This is a transition state that will post an RNC resume to the hardare. - * Once the event notification of resume complete is received the remote node - * context will transition to the ready state. - */ - SCI_RNC_RESUMING, - - /** - * This is the state that the remote node context must be in to accept io - * request operations. - */ - SCI_RNC_READY, - - /** - * This is the state that the remote node context transitions to when it gets - * a TX suspend notification from the hardware. - */ - SCI_RNC_TX_SUSPENDED, - - /** - * This is the state that the remote node context transitions to when it gets - * a TX RX suspend notification from the hardware. - */ - SCI_RNC_TX_RX_SUSPENDED, - - /** - * This state is a wait state for the remote node context that waits for a - * suspend notification from the hardware. This state is entered when either - * there is a request to supend the remote node context or when there is a TC - * completion where the remote node will be suspended by the hardware. - */ - SCI_RNC_AWAIT_SUSPENSION -}; +#define RNC_STATES {\ + C(RNC_INITIAL),\ + C(RNC_POSTING),\ + C(RNC_INVALIDATING),\ + C(RNC_RESUMING),\ + C(RNC_READY),\ + C(RNC_TX_SUSPENDED),\ + C(RNC_TX_RX_SUSPENDED),\ + C(RNC_AWAIT_SUSPENSION),\ + } +#undef C +#define C(a) SCI_##a +enum scis_sds_remote_node_context_states RNC_STATES; +#undef C +const char *rnc_state_name(enum scis_sds_remote_node_context_states state); /** * diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 192cb48d849..2def1e3960f 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -53,6 +53,7 @@ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +#include <scsi/scsi_cmnd.h> #include "isci.h" #include "task.h" #include "request.h" @@ -60,6 +61,16 @@ #include "scu_event_codes.h" #include "sas.h" +#undef C +#define C(a) (#a) +const char *req_state_name(enum sci_base_request_states state) +{ + static const char * const strings[] = REQUEST_STATES; + + return strings[state]; +} +#undef C + static struct scu_sgl_element_pair *to_sgl_element_pair(struct isci_request *ireq, int idx) { @@ -264,6 +275,141 @@ static void scu_ssp_reqeust_construct_task_context( task_context->response_iu_lower = lower_32_bits(dma_addr); } +static u8 scu_bg_blk_size(struct scsi_device *sdp) +{ + switch (sdp->sector_size) { + case 512: + return 0; + case 1024: + return 1; + case 4096: + return 3; + default: + return 0xff; + } +} + +static u32 scu_dif_bytes(u32 len, u32 sector_size) +{ + return (len >> ilog2(sector_size)) * 8; +} + +static void scu_ssp_ireq_dif_insert(struct isci_request *ireq, u8 type, u8 op) +{ + struct scu_task_context *tc = ireq->tc; + struct scsi_cmnd *scmd = ireq->ttype_ptr.io_task_ptr->uldd_task; + u8 blk_sz = scu_bg_blk_size(scmd->device); + + tc->block_guard_enable = 1; + tc->blk_prot_en = 1; + tc->blk_sz = blk_sz; + /* DIF write insert */ + tc->blk_prot_func = 0x2; + + tc->transfer_length_bytes += scu_dif_bytes(tc->transfer_length_bytes, + scmd->device->sector_size); + + /* always init to 0, used by hw */ + tc->interm_crc_val = 0; + + tc->init_crc_seed = 0; + tc->app_tag_verify = 0; + tc->app_tag_gen = 0; + tc->ref_tag_seed_verify = 0; + + /* always init to same as bg_blk_sz */ + tc->UD_bytes_immed_val = scmd->device->sector_size; + + tc->reserved_DC_0 = 0; + + /* always init to 8 */ + tc->DIF_bytes_immed_val = 8; + + tc->reserved_DC_1 = 0; + tc->bgc_blk_sz = scmd->device->sector_size; + tc->reserved_E0_0 = 0; + tc->app_tag_gen_mask = 0; + + /** setup block guard control **/ + tc->bgctl = 0; + + /* DIF write insert */ + tc->bgctl_f.op = 0x2; + + tc->app_tag_verify_mask = 0; + + /* must init to 0 for hw */ + tc->blk_guard_err = 0; + + tc->reserved_E8_0 = 0; + + if ((type & SCSI_PROT_DIF_TYPE1) || (type & SCSI_PROT_DIF_TYPE2)) + tc->ref_tag_seed_gen = scsi_get_lba(scmd) & 0xffffffff; + else if (type & SCSI_PROT_DIF_TYPE3) + tc->ref_tag_seed_gen = 0; +} + +static void scu_ssp_ireq_dif_strip(struct isci_request *ireq, u8 type, u8 op) +{ + struct scu_task_context *tc = ireq->tc; + struct scsi_cmnd *scmd = ireq->ttype_ptr.io_task_ptr->uldd_task; + u8 blk_sz = scu_bg_blk_size(scmd->device); + + tc->block_guard_enable = 1; + tc->blk_prot_en = 1; + tc->blk_sz = blk_sz; + /* DIF read strip */ + tc->blk_prot_func = 0x1; + + tc->transfer_length_bytes += scu_dif_bytes(tc->transfer_length_bytes, + scmd->device->sector_size); + + /* always init to 0, used by hw */ + tc->interm_crc_val = 0; + + tc->init_crc_seed = 0; + tc->app_tag_verify = 0; + tc->app_tag_gen = 0; + + if ((type & SCSI_PROT_DIF_TYPE1) || (type & SCSI_PROT_DIF_TYPE2)) + tc->ref_tag_seed_verify = scsi_get_lba(scmd) & 0xffffffff; + else if (type & SCSI_PROT_DIF_TYPE3) + tc->ref_tag_seed_verify = 0; + + /* always init to same as bg_blk_sz */ + tc->UD_bytes_immed_val = scmd->device->sector_size; + + tc->reserved_DC_0 = 0; + + /* always init to 8 */ + tc->DIF_bytes_immed_val = 8; + + tc->reserved_DC_1 = 0; + tc->bgc_blk_sz = scmd->device->sector_size; + tc->reserved_E0_0 = 0; + tc->app_tag_gen_mask = 0; + + /** setup block guard control **/ + tc->bgctl = 0; + + /* DIF read strip */ + tc->bgctl_f.crc_verify = 1; + tc->bgctl_f.op = 0x1; + if ((type & SCSI_PROT_DIF_TYPE1) || (type & SCSI_PROT_DIF_TYPE2)) { + tc->bgctl_f.ref_tag_chk = 1; + tc->bgctl_f.app_f_detect = 1; + } else if (type & SCSI_PROT_DIF_TYPE3) + tc->bgctl_f.app_ref_f_detect = 1; + + tc->app_tag_verify_mask = 0; + + /* must init to 0 for hw */ + tc->blk_guard_err = 0; + + tc->reserved_E8_0 = 0; + tc->ref_tag_seed_gen = 0; +} + /** * This method is will fill in the SCU Task Context for a SSP IO request. * @sci_req: @@ -274,6 +420,10 @@ static void scu_ssp_io_request_construct_task_context(struct isci_request *ireq, u32 len) { struct scu_task_context *task_context = ireq->tc; + struct sas_task *sas_task = ireq->ttype_ptr.io_task_ptr; + struct scsi_cmnd *scmd = sas_task->uldd_task; + u8 prot_type = scsi_get_prot_type(scmd); + u8 prot_op = scsi_get_prot_op(scmd); scu_ssp_reqeust_construct_task_context(ireq, task_context); @@ -296,6 +446,13 @@ static void scu_ssp_io_request_construct_task_context(struct isci_request *ireq, if (task_context->transfer_length_bytes > 0) sci_request_build_sgl(ireq); + + if (prot_type != SCSI_PROT_DIF_TYPE0) { + if (prot_op == SCSI_PROT_READ_STRIP) + scu_ssp_ireq_dif_strip(ireq, prot_type, prot_op); + else if (prot_op == SCSI_PROT_WRITE_INSERT) + scu_ssp_ireq_dif_insert(ireq, prot_type, prot_op); + } } /** @@ -519,18 +676,12 @@ sci_io_request_construct_sata(struct isci_request *ireq, if (test_bit(IREQ_TMF, &ireq->flags)) { struct isci_tmf *tmf = isci_request_access_tmf(ireq); - if (tmf->tmf_code == isci_tmf_sata_srst_high || - tmf->tmf_code == isci_tmf_sata_srst_low) { - scu_stp_raw_request_construct_task_context(ireq); - return SCI_SUCCESS; - } else { - dev_err(&ireq->owning_controller->pdev->dev, - "%s: Request 0x%p received un-handled SAT " - "management protocol 0x%x.\n", - __func__, ireq, tmf->tmf_code); + dev_err(&ireq->owning_controller->pdev->dev, + "%s: Request 0x%p received un-handled SAT " + "management protocol 0x%x.\n", + __func__, ireq, tmf->tmf_code); - return SCI_FAILURE; - } + return SCI_FAILURE; } if (!sas_protocol_ata(task->task_proto)) { @@ -627,34 +778,6 @@ static enum sci_status sci_io_request_construct_basic_sata(struct isci_request * return status; } -enum sci_status sci_task_request_construct_sata(struct isci_request *ireq) -{ - enum sci_status status = SCI_SUCCESS; - - /* check for management protocols */ - if (test_bit(IREQ_TMF, &ireq->flags)) { - struct isci_tmf *tmf = isci_request_access_tmf(ireq); - - if (tmf->tmf_code == isci_tmf_sata_srst_high || - tmf->tmf_code == isci_tmf_sata_srst_low) { - scu_stp_raw_request_construct_task_context(ireq); - } else { - dev_err(&ireq->owning_controller->pdev->dev, - "%s: Request 0x%p received un-handled SAT " - "Protocol 0x%x.\n", - __func__, ireq, tmf->tmf_code); - - return SCI_FAILURE; - } - } - - if (status != SCI_SUCCESS) - return status; - sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); - - return status; -} - /** * sci_req_tx_bytes - bytes transferred when reply underruns request * @ireq: request that was terminated early @@ -756,9 +879,6 @@ sci_io_request_terminate(struct isci_request *ireq) case SCI_REQ_STP_PIO_WAIT_FRAME: case SCI_REQ_STP_PIO_DATA_IN: case SCI_REQ_STP_PIO_DATA_OUT: - case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED: - case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG: - case SCI_REQ_STP_SOFT_RESET_WAIT_D2H: case SCI_REQ_ATAPI_WAIT_H2D: case SCI_REQ_ATAPI_WAIT_PIO_SETUP: case SCI_REQ_ATAPI_WAIT_D2H: @@ -800,7 +920,8 @@ enum sci_status sci_request_complete(struct isci_request *ireq) state = ireq->sm.current_state_id; if (WARN_ONCE(state != SCI_REQ_COMPLETED, - "isci: request completion from wrong state (%d)\n", state)) + "isci: request completion from wrong state (%s)\n", + req_state_name(state))) return SCI_FAILURE_INVALID_STATE; if (ireq->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX) @@ -821,8 +942,8 @@ enum sci_status sci_io_request_event_handler(struct isci_request *ireq, state = ireq->sm.current_state_id; if (state != SCI_REQ_STP_PIO_DATA_IN) { - dev_warn(&ihost->pdev->dev, "%s: (%x) in wrong state %d\n", - __func__, event_code, state); + dev_warn(&ihost->pdev->dev, "%s: (%x) in wrong state %s\n", + __func__, event_code, req_state_name(state)); return SCI_FAILURE_INVALID_STATE; } @@ -1304,9 +1425,9 @@ sci_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req, struct page *page = sg_page(sg); copy_len = min_t(int, total_len, sg_dma_len(sg)); - kaddr = kmap_atomic(page, KM_IRQ0); + kaddr = kmap_atomic(page); memcpy(kaddr + sg->offset, src_addr, copy_len); - kunmap_atomic(kaddr, KM_IRQ0); + kunmap_atomic(kaddr); total_len -= copy_len; src_addr += copy_len; sg = sg_next(sg); @@ -1654,7 +1775,7 @@ sci_io_request_frame_handler(struct isci_request *ireq, sci_unsolicited_frame_control_get_header(&ihost->uf_control, frame_index, &frame_header); - kaddr = kmap_atomic(sg_page(sg), KM_IRQ0); + kaddr = kmap_atomic(sg_page(sg)); rsp = kaddr + sg->offset; sci_swab32_cpy(rsp, frame_header, 1); @@ -1691,7 +1812,7 @@ sci_io_request_frame_handler(struct isci_request *ireq, ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR; sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); } - kunmap_atomic(kaddr, KM_IRQ0); + kunmap_atomic(kaddr); sci_controller_release_frame(ihost, frame_index); @@ -1938,59 +2059,6 @@ sci_io_request_frame_handler(struct isci_request *ireq, return status; } - case SCI_REQ_STP_SOFT_RESET_WAIT_D2H: { - struct dev_to_host_fis *frame_header; - u32 *frame_buffer; - - status = sci_unsolicited_frame_control_get_header(&ihost->uf_control, - frame_index, - (void **)&frame_header); - if (status != SCI_SUCCESS) { - dev_err(&ihost->pdev->dev, - "%s: SCIC IO Request 0x%p could not get frame " - "header for frame index %d, status %x\n", - __func__, - stp_req, - frame_index, - status); - return status; - } - - switch (frame_header->fis_type) { - case FIS_REGD2H: - sci_unsolicited_frame_control_get_buffer(&ihost->uf_control, - frame_index, - (void **)&frame_buffer); - - sci_controller_copy_sata_response(&ireq->stp.rsp, - frame_header, - frame_buffer); - - /* The command has completed with error */ - ireq->scu_status = SCU_TASK_DONE_CHECK_RESPONSE; - ireq->sci_status = SCI_FAILURE_IO_RESPONSE_VALID; - break; - - default: - dev_warn(&ihost->pdev->dev, - "%s: IO Request:0x%p Frame Id:%d protocol " - "violation occurred\n", - __func__, - stp_req, - frame_index); - - ireq->scu_status = SCU_TASK_DONE_UNEXP_FIS; - ireq->sci_status = SCI_FAILURE_PROTOCOL_VIOLATION; - break; - } - - sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); - - /* Frame has been decoded return it to the controller */ - sci_controller_release_frame(ihost, frame_index); - - return status; - } case SCI_REQ_ATAPI_WAIT_PIO_SETUP: { struct sas_task *task = isci_request_access_task(ireq); @@ -2088,57 +2156,6 @@ static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq return status; } -static enum sci_status -stp_request_soft_reset_await_h2d_asserted_tc_event(struct isci_request *ireq, - u32 completion_code) -{ - switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { - case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - ireq->scu_status = SCU_TASK_DONE_GOOD; - ireq->sci_status = SCI_SUCCESS; - sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG); - break; - - default: - /* - * All other completion status cause the IO to be complete. - * If a NAK was received, then it is up to the user to retry - * the request. - */ - ireq->scu_status = SCU_NORMALIZE_COMPLETION_STATUS(completion_code); - ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR; - sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); - break; - } - - return SCI_SUCCESS; -} - -static enum sci_status -stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct isci_request *ireq, - u32 completion_code) -{ - switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { - case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - ireq->scu_status = SCU_TASK_DONE_GOOD; - ireq->sci_status = SCI_SUCCESS; - sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_D2H); - break; - - default: - /* All other completion status cause the IO to be complete. If - * a NAK was received, then it is up to the user to retry the - * request. - */ - ireq->scu_status = SCU_NORMALIZE_COMPLETION_STATUS(completion_code); - ireq->sci_status = SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR; - sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); - break; - } - - return SCI_SUCCESS; -} - static enum sci_status atapi_raw_completion(struct isci_request *ireq, u32 completion_code, enum sci_base_request_states next) { @@ -2284,14 +2301,6 @@ sci_io_request_tc_completion(struct isci_request *ireq, case SCI_REQ_STP_PIO_DATA_OUT: return pio_data_out_tx_done_tc_event(ireq, completion_code); - case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED: - return stp_request_soft_reset_await_h2d_asserted_tc_event(ireq, - completion_code); - - case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG: - return stp_request_soft_reset_await_h2d_diagnostic_tc_event(ireq, - completion_code); - case SCI_REQ_ABORTING: return request_aborting_state_tc_event(ireq, completion_code); @@ -2308,12 +2317,8 @@ sci_io_request_tc_completion(struct isci_request *ireq, return atapi_data_tc_completion_handler(ireq, completion_code); default: - dev_warn(&ihost->pdev->dev, - "%s: SCIC IO Request given task completion " - "notification %x while in wrong state %d\n", - __func__, - completion_code, - state); + dev_warn(&ihost->pdev->dev, "%s: %x in wrong state %s\n", + __func__, completion_code, req_state_name(state)); return SCI_FAILURE_INVALID_STATE; } } @@ -3023,10 +3028,10 @@ static void isci_request_io_request_complete(struct isci_host *ihost, dma_unmap_sg(&ihost->pdev->dev, sg, 1, DMA_TO_DEVICE); /* need to swab it back in case the command buffer is re-used */ - kaddr = kmap_atomic(sg_page(sg), KM_IRQ0); + kaddr = kmap_atomic(sg_page(sg)); smp_req = kaddr + sg->offset; sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32)); - kunmap_atomic(kaddr, KM_IRQ0); + kunmap_atomic(kaddr); break; } default: @@ -3065,10 +3070,6 @@ static void sci_request_started_state_enter(struct sci_base_state_machine *sm) */ if (!task && dev->dev_type == SAS_END_DEV) { state = SCI_REQ_TASK_WAIT_TC_COMP; - } else if (!task && - (isci_request_access_tmf(ireq)->tmf_code == isci_tmf_sata_srst_high || - isci_request_access_tmf(ireq)->tmf_code == isci_tmf_sata_srst_low)) { - state = SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED; } else if (task && task->task_proto == SAS_PROTOCOL_SMP) { state = SCI_REQ_SMP_WAIT_RESP; } else if (task && sas_protocol_ata(task->task_proto) && @@ -3125,31 +3126,6 @@ static void sci_stp_request_started_pio_await_h2d_completion_enter(struct sci_ba ireq->target_device->working_request = ireq; } -static void sci_stp_request_started_soft_reset_await_h2d_asserted_completion_enter(struct sci_base_state_machine *sm) -{ - struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); - - ireq->target_device->working_request = ireq; -} - -static void sci_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter(struct sci_base_state_machine *sm) -{ - struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); - struct scu_task_context *tc = ireq->tc; - struct host_to_dev_fis *h2d_fis; - enum sci_status status; - - /* Clear the SRST bit */ - h2d_fis = &ireq->stp.cmd; - h2d_fis->control = 0; - - /* Clear the TC control bit */ - tc->control_frame = 0; - - status = sci_controller_continue_io(ireq); - WARN_ONCE(status != SCI_SUCCESS, "isci: continue io failure\n"); -} - static const struct sci_base_state sci_request_state_table[] = { [SCI_REQ_INIT] = { }, [SCI_REQ_CONSTRUCTED] = { }, @@ -3168,13 +3144,6 @@ static const struct sci_base_state sci_request_state_table[] = { [SCI_REQ_STP_PIO_DATA_OUT] = { }, [SCI_REQ_STP_UDMA_WAIT_TC_COMP] = { }, [SCI_REQ_STP_UDMA_WAIT_D2H] = { }, - [SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED] = { - .enter_state = sci_stp_request_started_soft_reset_await_h2d_asserted_completion_enter, - }, - [SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG] = { - .enter_state = sci_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter, - }, - [SCI_REQ_STP_SOFT_RESET_WAIT_D2H] = { }, [SCI_REQ_TASK_WAIT_TC_COMP] = { }, [SCI_REQ_TASK_WAIT_TC_RESP] = { }, [SCI_REQ_SMP_WAIT_RESP] = { }, @@ -3311,7 +3280,7 @@ sci_io_request_construct_smp(struct device *dev, u8 req_len; u32 cmd; - kaddr = kmap_atomic(sg_page(sg), KM_IRQ0); + kaddr = kmap_atomic(sg_page(sg)); smp_req = kaddr + sg->offset; /* * Look at the SMP requests' header fields; for certain SAS 1.x SMP @@ -3337,7 +3306,7 @@ sci_io_request_construct_smp(struct device *dev, req_len = smp_req->req_len; sci_swab32_cpy(smp_req, smp_req, sg->length / sizeof(u32)); cmd = *(u32 *) smp_req; - kunmap_atomic(kaddr, KM_IRQ0); + kunmap_atomic(kaddr); if (!dma_map_sg(dev, sg, 1, DMA_TO_DEVICE)) return SCI_FAILURE; @@ -3649,8 +3618,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide /* Cause this task to be scheduled in the SCSI error * handler thread. */ - isci_execpath_callback(ihost, task, - sas_task_abort); + sas_task_abort(task); /* Change the status, since we are holding * the I/O until it is managed by the SCSI diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h index be38933dd6d..057f2378452 100644 --- a/drivers/scsi/isci/request.h +++ b/drivers/scsi/isci/request.h @@ -182,138 +182,103 @@ static inline struct isci_request *to_ireq(struct isci_stp_request *stp_req) } /** - * enum sci_base_request_states - This enumeration depicts all the states for - * the common request state machine. + * enum sci_base_request_states - request state machine states * + * @SCI_REQ_INIT: Simply the initial state for the base request state machine. * + * @SCI_REQ_CONSTRUCTED: This state indicates that the request has been + * constructed. This state is entered from the INITIAL state. + * + * @SCI_REQ_STARTED: This state indicates that the request has been started. + * This state is entered from the CONSTRUCTED state. + * + * @SCI_REQ_STP_UDMA_WAIT_TC_COMP: + * @SCI_REQ_STP_UDMA_WAIT_D2H: + * @SCI_REQ_STP_NON_DATA_WAIT_H2D: + * @SCI_REQ_STP_NON_DATA_WAIT_D2H: + * + * @SCI_REQ_STP_PIO_WAIT_H2D: While in this state the IO request object is + * waiting for the TC completion notification for the H2D Register FIS + * + * @SCI_REQ_STP_PIO_WAIT_FRAME: While in this state the IO request object is + * waiting for either a PIO Setup FIS or a D2H register FIS. The type of frame + * received is based on the result of the prior frame and line conditions. + * + * @SCI_REQ_STP_PIO_DATA_IN: While in this state the IO request object is + * waiting for a DATA frame from the device. + * + * @SCI_REQ_STP_PIO_DATA_OUT: While in this state the IO request object is + * waiting to transmit the next data frame to the device. + * + * @SCI_REQ_ATAPI_WAIT_H2D: While in this state the IO request object is + * waiting for the TC completion notification for the H2D Register FIS + * + * @SCI_REQ_ATAPI_WAIT_PIO_SETUP: While in this state the IO request object is + * waiting for either a PIO Setup. + * + * @SCI_REQ_ATAPI_WAIT_D2H: The non-data IO transit to this state in this state + * after receiving TC completion. While in this state IO request object is + * waiting for D2H status frame as UF. + * + * @SCI_REQ_ATAPI_WAIT_TC_COMP: When transmitting raw frames hardware reports + * task context completion after every frame submission, so in the + * non-accelerated case we need to expect the completion for the "cdb" frame. + * + * @SCI_REQ_TASK_WAIT_TC_COMP: The AWAIT_TC_COMPLETION sub-state indicates that + * the started raw task management request is waiting for the transmission of + * the initial frame (i.e. command, task, etc.). + * + * @SCI_REQ_TASK_WAIT_TC_RESP: This sub-state indicates that the started task + * management request is waiting for the reception of an unsolicited frame + * (i.e. response IU). + * + * @SCI_REQ_SMP_WAIT_RESP: This sub-state indicates that the started task + * management request is waiting for the reception of an unsolicited frame + * (i.e. response IU). + * + * @SCI_REQ_SMP_WAIT_TC_COMP: The AWAIT_TC_COMPLETION sub-state indicates that + * the started SMP request is waiting for the transmission of the initial frame + * (i.e. command, task, etc.). + * + * @SCI_REQ_COMPLETED: This state indicates that the request has completed. + * This state is entered from the STARTED state. This state is entered from the + * ABORTING state. + * + * @SCI_REQ_ABORTING: This state indicates that the request is in the process + * of being terminated/aborted. This state is entered from the CONSTRUCTED + * state. This state is entered from the STARTED state. + * + * @SCI_REQ_FINAL: Simply the final state for the base request state machine. */ -enum sci_base_request_states { - /* - * Simply the initial state for the base request state machine. - */ - SCI_REQ_INIT, - - /* - * This state indicates that the request has been constructed. - * This state is entered from the INITIAL state. - */ - SCI_REQ_CONSTRUCTED, - - /* - * This state indicates that the request has been started. This state - * is entered from the CONSTRUCTED state. - */ - SCI_REQ_STARTED, - - SCI_REQ_STP_UDMA_WAIT_TC_COMP, - SCI_REQ_STP_UDMA_WAIT_D2H, - - SCI_REQ_STP_NON_DATA_WAIT_H2D, - SCI_REQ_STP_NON_DATA_WAIT_D2H, - - SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED, - SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG, - SCI_REQ_STP_SOFT_RESET_WAIT_D2H, - - /* - * While in this state the IO request object is waiting for the TC - * completion notification for the H2D Register FIS - */ - SCI_REQ_STP_PIO_WAIT_H2D, - - /* - * While in this state the IO request object is waiting for either a - * PIO Setup FIS or a D2H register FIS. The type of frame received is - * based on the result of the prior frame and line conditions. - */ - SCI_REQ_STP_PIO_WAIT_FRAME, - - /* - * While in this state the IO request object is waiting for a DATA - * frame from the device. - */ - SCI_REQ_STP_PIO_DATA_IN, - - /* - * While in this state the IO request object is waiting to transmit - * the next data frame to the device. - */ - SCI_REQ_STP_PIO_DATA_OUT, - - /* - * While in this state the IO request object is waiting for the TC - * completion notification for the H2D Register FIS - */ - SCI_REQ_ATAPI_WAIT_H2D, - - /* - * While in this state the IO request object is waiting for either a - * PIO Setup. - */ - SCI_REQ_ATAPI_WAIT_PIO_SETUP, - - /* - * The non-data IO transit to this state in this state after receiving - * TC completion. While in this state IO request object is waiting for - * D2H status frame as UF. - */ - SCI_REQ_ATAPI_WAIT_D2H, - - /* - * When transmitting raw frames hardware reports task context completion - * after every frame submission, so in the non-accelerated case we need - * to expect the completion for the "cdb" frame. - */ - SCI_REQ_ATAPI_WAIT_TC_COMP, - - /* - * The AWAIT_TC_COMPLETION sub-state indicates that the started raw - * task management request is waiting for the transmission of the - * initial frame (i.e. command, task, etc.). - */ - SCI_REQ_TASK_WAIT_TC_COMP, - - /* - * This sub-state indicates that the started task management request - * is waiting for the reception of an unsolicited frame - * (i.e. response IU). - */ - SCI_REQ_TASK_WAIT_TC_RESP, - - /* - * This sub-state indicates that the started task management request - * is waiting for the reception of an unsolicited frame - * (i.e. response IU). - */ - SCI_REQ_SMP_WAIT_RESP, - - /* - * The AWAIT_TC_COMPLETION sub-state indicates that the started SMP - * request is waiting for the transmission of the initial frame - * (i.e. command, task, etc.). - */ - SCI_REQ_SMP_WAIT_TC_COMP, - - /* - * This state indicates that the request has completed. - * This state is entered from the STARTED state. This state is entered - * from the ABORTING state. - */ - SCI_REQ_COMPLETED, - - /* - * This state indicates that the request is in the process of being - * terminated/aborted. - * This state is entered from the CONSTRUCTED state. - * This state is entered from the STARTED state. - */ - SCI_REQ_ABORTING, - - /* - * Simply the final state for the base request state machine. - */ - SCI_REQ_FINAL, -}; +#define REQUEST_STATES {\ + C(REQ_INIT),\ + C(REQ_CONSTRUCTED),\ + C(REQ_STARTED),\ + C(REQ_STP_UDMA_WAIT_TC_COMP),\ + C(REQ_STP_UDMA_WAIT_D2H),\ + C(REQ_STP_NON_DATA_WAIT_H2D),\ + C(REQ_STP_NON_DATA_WAIT_D2H),\ + C(REQ_STP_PIO_WAIT_H2D),\ + C(REQ_STP_PIO_WAIT_FRAME),\ + C(REQ_STP_PIO_DATA_IN),\ + C(REQ_STP_PIO_DATA_OUT),\ + C(REQ_ATAPI_WAIT_H2D),\ + C(REQ_ATAPI_WAIT_PIO_SETUP),\ + C(REQ_ATAPI_WAIT_D2H),\ + C(REQ_ATAPI_WAIT_TC_COMP),\ + C(REQ_TASK_WAIT_TC_COMP),\ + C(REQ_TASK_WAIT_TC_RESP),\ + C(REQ_SMP_WAIT_RESP),\ + C(REQ_SMP_WAIT_TC_COMP),\ + C(REQ_COMPLETED),\ + C(REQ_ABORTING),\ + C(REQ_FINAL),\ + } +#undef C +#define C(a) SCI_##a +enum sci_base_request_states REQUEST_STATES; +#undef C +const char *req_state_name(enum sci_base_request_states state); enum sci_status sci_request_start(struct isci_request *ireq); enum sci_status sci_io_request_terminate(struct isci_request *ireq); @@ -446,10 +411,7 @@ sci_task_request_construct(struct isci_host *ihost, struct isci_remote_device *idev, u16 io_tag, struct isci_request *ireq); -enum sci_status -sci_task_request_construct_ssp(struct isci_request *ireq); -enum sci_status -sci_task_request_construct_sata(struct isci_request *ireq); +enum sci_status sci_task_request_construct_ssp(struct isci_request *ireq); void sci_smp_request_copy_response(struct isci_request *ireq); static inline int isci_task_is_ncq_recovery(struct sas_task *task) diff --git a/drivers/scsi/isci/scu_task_context.h b/drivers/scsi/isci/scu_task_context.h index 7df87d92328..869a979eb5b 100644 --- a/drivers/scsi/isci/scu_task_context.h +++ b/drivers/scsi/isci/scu_task_context.h @@ -866,9 +866,9 @@ struct scu_task_context { struct transport_snapshot snapshot; /* read only set to 0 */ /* OFFSET 0x5C */ - u32 block_protection_enable:1; - u32 block_size:2; - u32 block_protection_function:2; + u32 blk_prot_en:1; + u32 blk_sz:2; + u32 blk_prot_func:2; u32 reserved_5C_0:9; u32 active_sgl_element:2; /* read only set to 0 */ u32 sgl_exhausted:1; /* read only set to 0 */ @@ -896,33 +896,56 @@ struct scu_task_context { u32 reserved_C4_CC[3]; /* OFFSET 0xD0 */ - u32 intermediate_crc_value:16; - u32 initial_crc_seed:16; + u32 interm_crc_val:16; + u32 init_crc_seed:16; /* OFFSET 0xD4 */ - u32 application_tag_for_verify:16; - u32 application_tag_for_generate:16; + u32 app_tag_verify:16; + u32 app_tag_gen:16; /* OFFSET 0xD8 */ - u32 reference_tag_seed_for_verify_function; + u32 ref_tag_seed_verify; /* OFFSET 0xDC */ - u32 reserved_DC; + u32 UD_bytes_immed_val:13; + u32 reserved_DC_0:3; + u32 DIF_bytes_immed_val:4; + u32 reserved_DC_1:12; /* OFFSET 0xE0 */ - u32 reserved_E0_0:16; - u32 application_tag_mask_for_generate:16; + u32 bgc_blk_sz:13; + u32 reserved_E0_0:3; + u32 app_tag_gen_mask:16; /* OFFSET 0xE4 */ - u32 block_protection_control:16; - u32 application_tag_mask_for_verify:16; + union { + u16 bgctl; + struct { + u16 crc_verify:1; + u16 app_tag_chk:1; + u16 ref_tag_chk:1; + u16 op:2; + u16 legacy:1; + u16 invert_crc_seed:1; + u16 ref_tag_gen:1; + u16 fixed_ref_tag:1; + u16 invert_crc:1; + u16 app_ref_f_detect:1; + u16 uninit_dif_check_err:1; + u16 uninit_dif_bypass:1; + u16 app_f_detect:1; + u16 reserved_0:2; + } bgctl_f; + }; + + u16 app_tag_verify_mask; /* OFFSET 0xE8 */ - u32 block_protection_error:8; + u32 blk_guard_err:8; u32 reserved_E8_0:24; /* OFFSET 0xEC */ - u32 reference_tag_seed_for_verify; + u32 ref_tag_seed_gen; /* OFFSET 0xF0 */ u32 intermediate_crc_valid_snapshot:16; @@ -937,6 +960,6 @@ struct scu_task_context { /* OFFSET 0xFC */ u32 reference_tag_seed_for_generate_function_snapshot; -}; +} __packed; #endif /* _SCU_TASK_CONTEXT_H_ */ diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index f5a3f7d2bda..374254ede9d 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -96,8 +96,7 @@ static void isci_task_refuse(struct isci_host *ihost, struct sas_task *task, __func__, task, response, status); task->lldd_task = NULL; - - isci_execpath_callback(ihost, task, task->task_done); + task->task_done(task); break; case isci_perform_aborted_io_completion: @@ -117,8 +116,7 @@ static void isci_task_refuse(struct isci_host *ihost, struct sas_task *task, "%s: Error - task = %p, response=%d, " "status=%d\n", __func__, task, response, status); - - isci_execpath_callback(ihost, task, sas_task_abort); + sas_task_abort(task); break; default: @@ -249,46 +247,6 @@ int isci_task_execute_task(struct sas_task *task, int num, gfp_t gfp_flags) return 0; } -static enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq) -{ - struct isci_tmf *isci_tmf; - enum sci_status status; - - if (!test_bit(IREQ_TMF, &ireq->flags)) - return SCI_FAILURE; - - isci_tmf = isci_request_access_tmf(ireq); - - switch (isci_tmf->tmf_code) { - - case isci_tmf_sata_srst_high: - case isci_tmf_sata_srst_low: { - struct host_to_dev_fis *fis = &ireq->stp.cmd; - - memset(fis, 0, sizeof(*fis)); - - fis->fis_type = 0x27; - fis->flags &= ~0x80; - fis->flags &= 0xF0; - if (isci_tmf->tmf_code == isci_tmf_sata_srst_high) - fis->control |= ATA_SRST; - else - fis->control &= ~ATA_SRST; - break; - } - /* other management commnd go here... */ - default: - return SCI_FAILURE; - } - - /* core builds the protocol specific request - * based on the h2d fis. - */ - status = sci_task_request_construct_sata(ireq); - - return status; -} - static struct isci_request *isci_task_request_build(struct isci_host *ihost, struct isci_remote_device *idev, u16 tag, struct isci_tmf *isci_tmf) @@ -328,13 +286,6 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost, return NULL; } - if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { - isci_tmf->proto = SAS_PROTOCOL_SATA; - status = isci_sata_management_task_request_build(ireq); - - if (status != SCI_SUCCESS) - return NULL; - } return ireq; } @@ -873,53 +824,20 @@ static int isci_task_send_lu_reset_sas( return ret; } -static int isci_task_send_lu_reset_sata(struct isci_host *ihost, - struct isci_remote_device *idev, u8 *lun) -{ - int ret = TMF_RESP_FUNC_FAILED; - struct isci_tmf tmf; - - /* Send the soft reset to the target */ - #define ISCI_SRST_TIMEOUT_MS 25000 /* 25 second timeout. */ - isci_task_build_tmf(&tmf, isci_tmf_sata_srst_high, NULL, NULL); - - ret = isci_task_execute_tmf(ihost, idev, &tmf, ISCI_SRST_TIMEOUT_MS); - - if (ret != TMF_RESP_FUNC_COMPLETE) { - dev_dbg(&ihost->pdev->dev, - "%s: Assert SRST failed (%p) = %x", - __func__, idev, ret); - - /* Return the failure so that the LUN reset is escalated - * to a target reset. - */ - } - return ret; -} - -/** - * isci_task_lu_reset() - This function is one of the SAS Domain Template - * functions. This is one of the Task Management functoins called by libsas, - * to reset the given lun. Note the assumption that while this call is - * executing, no I/O will be sent by the host to the device. - * @lun: This parameter specifies the lun to be reset. - * - * status, zero indicates success. - */ -int isci_task_lu_reset(struct domain_device *domain_device, u8 *lun) +int isci_task_lu_reset(struct domain_device *dev, u8 *lun) { - struct isci_host *isci_host = dev_to_ihost(domain_device); + struct isci_host *isci_host = dev_to_ihost(dev); struct isci_remote_device *isci_device; unsigned long flags; int ret; spin_lock_irqsave(&isci_host->scic_lock, flags); - isci_device = isci_lookup_device(domain_device); + isci_device = isci_lookup_device(dev); spin_unlock_irqrestore(&isci_host->scic_lock, flags); dev_dbg(&isci_host->pdev->dev, "%s: domain_device=%p, isci_host=%p; isci_device=%p\n", - __func__, domain_device, isci_host, isci_device); + __func__, dev, isci_host, isci_device); if (!isci_device) { /* If the device is gone, stop the escalations. */ @@ -928,11 +846,11 @@ int isci_task_lu_reset(struct domain_device *domain_device, u8 *lun) ret = TMF_RESP_FUNC_COMPLETE; goto out; } - set_bit(IDEV_EH, &isci_device->flags); /* Send the task management part of the reset. */ - if (sas_protocol_ata(domain_device->tproto)) { - ret = isci_task_send_lu_reset_sata(isci_host, isci_device, lun); + if (dev_is_sata(dev)) { + sas_ata_schedule_reset(dev); + ret = TMF_RESP_FUNC_COMPLETE; } else ret = isci_task_send_lu_reset_sas(isci_host, isci_device, lun); @@ -1062,9 +980,6 @@ int isci_task_abort_task(struct sas_task *task) "%s: dev = %p, task = %p, old_request == %p\n", __func__, isci_device, task, old_request); - if (isci_device) - set_bit(IDEV_EH, &isci_device->flags); - /* Device reset conditions signalled in task_state_flags are the * responsbility of libsas to observe at the start of the error * handler thread. @@ -1332,29 +1247,35 @@ isci_task_request_complete(struct isci_host *ihost, } static int isci_reset_device(struct isci_host *ihost, + struct domain_device *dev, struct isci_remote_device *idev) { - struct sas_phy *phy = sas_find_local_phy(idev->domain_dev); - enum sci_status status; - unsigned long flags; int rc; + unsigned long flags; + enum sci_status status; + struct sas_phy *phy = sas_get_local_phy(dev); + struct isci_port *iport = dev->port->lldd_port; dev_dbg(&ihost->pdev->dev, "%s: idev %p\n", __func__, idev); spin_lock_irqsave(&ihost->scic_lock, flags); status = sci_remote_device_reset(idev); - if (status != SCI_SUCCESS) { - spin_unlock_irqrestore(&ihost->scic_lock, flags); + spin_unlock_irqrestore(&ihost->scic_lock, flags); + if (status != SCI_SUCCESS) { dev_dbg(&ihost->pdev->dev, "%s: sci_remote_device_reset(%p) returned %d!\n", __func__, idev, status); - - return TMF_RESP_FUNC_FAILED; + rc = TMF_RESP_FUNC_FAILED; + goto out; } - spin_unlock_irqrestore(&ihost->scic_lock, flags); - rc = sas_phy_reset(phy, true); + if (scsi_is_sas_phy_local(phy)) { + struct isci_phy *iphy = &ihost->phys[phy->number]; + + rc = isci_port_perform_hard_reset(ihost, iport, iphy); + } else + rc = sas_phy_reset(phy, !dev_is_sata(dev)); /* Terminate in-progress I/O now. */ isci_remote_device_nuke_requests(ihost, idev); @@ -1371,7 +1292,8 @@ static int isci_reset_device(struct isci_host *ihost, } dev_dbg(&ihost->pdev->dev, "%s: idev %p complete.\n", __func__, idev); - + out: + sas_put_local_phy(phy); return rc; } @@ -1386,35 +1308,15 @@ int isci_task_I_T_nexus_reset(struct domain_device *dev) idev = isci_lookup_device(dev); spin_unlock_irqrestore(&ihost->scic_lock, flags); - if (!idev || !test_bit(IDEV_EH, &idev->flags)) { - ret = TMF_RESP_FUNC_COMPLETE; - goto out; - } - - ret = isci_reset_device(ihost, idev); - out: - isci_put_device(idev); - return ret; -} - -int isci_bus_reset_handler(struct scsi_cmnd *cmd) -{ - struct domain_device *dev = sdev_to_domain_dev(cmd->device); - struct isci_host *ihost = dev_to_ihost(dev); - struct isci_remote_device *idev; - unsigned long flags; - int ret; - - spin_lock_irqsave(&ihost->scic_lock, flags); - idev = isci_lookup_device(dev); - spin_unlock_irqrestore(&ihost->scic_lock, flags); - if (!idev) { + /* XXX: need to cleanup any ireqs targeting this + * domain_device + */ ret = TMF_RESP_FUNC_COMPLETE; goto out; } - ret = isci_reset_device(ihost, idev); + ret = isci_reset_device(ihost, dev, idev); out: isci_put_device(idev); return ret; diff --git a/drivers/scsi/isci/task.h b/drivers/scsi/isci/task.h index 1b27b3797c6..7b6d0e32fd9 100644 --- a/drivers/scsi/isci/task.h +++ b/drivers/scsi/isci/task.h @@ -86,8 +86,6 @@ enum isci_tmf_function_codes { isci_tmf_func_none = 0, isci_tmf_ssp_task_abort = TMF_ABORT_TASK, isci_tmf_ssp_lun_reset = TMF_LU_RESET, - isci_tmf_sata_srst_high = TMF_LU_RESET + 0x100, /* Non SCSI */ - isci_tmf_sata_srst_low = TMF_LU_RESET + 0x101 /* Non SCSI */ }; /** * struct isci_tmf - This class represents the task management object which @@ -210,8 +208,6 @@ int isci_queuecommand( struct scsi_cmnd *scsi_cmd, void (*donefunc)(struct scsi_cmnd *)); -int isci_bus_reset_handler(struct scsi_cmnd *cmd); - /** * enum isci_completion_selection - This enum defines the possible actions to * take with respect to a given request's notification back to libsas. @@ -321,40 +317,4 @@ isci_task_set_completion_status( return task_notification_selection; } -/** -* isci_execpath_callback() - This function is called from the task -* execute path when the task needs to callback libsas about the submit-time -* task failure. The callback occurs either through the task's done function -* or through sas_task_abort. In the case of regular non-discovery SATA/STP I/O -* requests, libsas takes the host lock before calling execute task. Therefore -* in this situation the host lock must be managed before calling the func. -* -* @ihost: This parameter is the controller to which the I/O request was sent. -* @task: This parameter is the I/O request. -* @func: This parameter is the function to call in the correct context. -* @status: This parameter is the status code for the completed task. -* -*/ -static inline void isci_execpath_callback(struct isci_host *ihost, - struct sas_task *task, - void (*func)(struct sas_task *)) -{ - struct domain_device *dev = task->dev; - - if (dev_is_sata(dev) && task->uldd_task) { - unsigned long flags; - - /* Since we are still in the submit path, and since - * libsas takes the host lock on behalf of SATA - * devices before I/O starts (in the non-discovery case), - * we need to unlock before we can call the callback function. - */ - raw_local_irq_save(flags); - spin_unlock(dev->sata_dev.ap->lock); - func(task); - spin_lock(dev->sata_dev.ap->lock); - raw_local_irq_restore(flags); - } else - func(task); -} #endif /* !defined(_SCI_TASK_H_) */ diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c index db47158e0dd..453a740fa68 100644 --- a/drivers/scsi/iscsi_tcp.c +++ b/drivers/scsi/iscsi_tcp.c @@ -684,10 +684,8 @@ static int iscsi_sw_tcp_conn_set_param(struct iscsi_cls_conn *cls_conn, int buflen) { struct iscsi_conn *conn = cls_conn->dd_data; - struct iscsi_session *session = conn->session; struct iscsi_tcp_conn *tcp_conn = conn->dd_data; struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data; - int value; switch(param) { case ISCSI_PARAM_HDRDGST_EN: @@ -699,16 +697,7 @@ static int iscsi_sw_tcp_conn_set_param(struct iscsi_cls_conn *cls_conn, sock_no_sendpage : tcp_sw_conn->sock->ops->sendpage; break; case ISCSI_PARAM_MAX_R2T: - sscanf(buf, "%d", &value); - if (value <= 0 || !is_power_of_2(value)) - return -EINVAL; - if (session->max_r2t == value) - break; - iscsi_tcp_r2tpool_free(session); - iscsi_set_param(cls_conn, param, buf, buflen); - if (iscsi_tcp_r2tpool_alloc(session)) - return -ENOMEM; - break; + return iscsi_tcp_set_max_r2t(conn, buf); default: return iscsi_set_param(cls_conn, param, buf, buflen); } diff --git a/drivers/scsi/libfc/fc_disc.c b/drivers/scsi/libfc/fc_disc.c index 1d1b0c9da29..8e561e6a557 100644 --- a/drivers/scsi/libfc/fc_disc.c +++ b/drivers/scsi/libfc/fc_disc.c @@ -337,6 +337,13 @@ static void fc_disc_error(struct fc_disc *disc, struct fc_frame *fp) schedule_delayed_work(&disc->disc_work, delay); } else fc_disc_done(disc, DISC_EV_FAILED); + } else if (PTR_ERR(fp) == -FC_EX_CLOSED) { + /* + * if discovery fails due to lport reset, clear + * pending flag so that subsequent discovery can + * continue + */ + disc->pending = 0; } } diff --git a/drivers/scsi/libfc/fc_elsct.c b/drivers/scsi/libfc/fc_elsct.c index e17a28d324d..c2384d50147 100644 --- a/drivers/scsi/libfc/fc_elsct.c +++ b/drivers/scsi/libfc/fc_elsct.c @@ -56,8 +56,7 @@ struct fc_seq *fc_elsct_send(struct fc_lport *lport, u32 did, rc = fc_els_fill(lport, did, fp, op, &r_ctl, &fh_type); else { /* CT requests */ - rc = fc_ct_fill(lport, did, fp, op, &r_ctl, &fh_type); - did = FC_FID_DIR_SERV; + rc = fc_ct_fill(lport, did, fp, op, &r_ctl, &fh_type, &did); } if (rc) { diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c index 4d70d96fa5d..aceffadb21c 100644 --- a/drivers/scsi/libfc/fc_exch.c +++ b/drivers/scsi/libfc/fc_exch.c @@ -1642,9 +1642,10 @@ static void fc_exch_recv_bls(struct fc_exch_mgr *mp, struct fc_frame *fp) case FC_RCTL_ACK_0: break; default: - FC_EXCH_DBG(ep, "BLS rctl %x - %s received", - fh->fh_r_ctl, - fc_exch_rctl_name(fh->fh_r_ctl)); + if (ep) + FC_EXCH_DBG(ep, "BLS rctl %x - %s received", + fh->fh_r_ctl, + fc_exch_rctl_name(fh->fh_r_ctl)); break; } fc_frame_free(fp); @@ -2262,7 +2263,18 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lport, mp->class = class; /* adjust em exch xid range for offload */ mp->min_xid = min_xid; - mp->max_xid = max_xid; + + /* reduce range so per cpu pool fits into PCPU_MIN_UNIT_SIZE pool */ + pool_exch_range = (PCPU_MIN_UNIT_SIZE - sizeof(*pool)) / + sizeof(struct fc_exch *); + if ((max_xid - min_xid + 1) / (fc_cpu_mask + 1) > pool_exch_range) { + mp->max_xid = pool_exch_range * (fc_cpu_mask + 1) + + min_xid - 1; + } else { + mp->max_xid = max_xid; + pool_exch_range = (mp->max_xid - mp->min_xid + 1) / + (fc_cpu_mask + 1); + } mp->ep_pool = mempool_create_slab_pool(2, fc_em_cachep); if (!mp->ep_pool) @@ -2273,7 +2285,6 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *lport, * divided across all cpus. The exch pointers array memory is * allocated for exch range per pool. */ - pool_exch_range = (mp->max_xid - mp->min_xid + 1) / (fc_cpu_mask + 1); mp->pool_max_index = pool_exch_range - 1; /* diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c index f607314810a..f7357308655 100644 --- a/drivers/scsi/libfc/fc_fcp.c +++ b/drivers/scsi/libfc/fc_fcp.c @@ -485,11 +485,11 @@ static void fc_fcp_recv_data(struct fc_fcp_pkt *fsp, struct fc_frame *fp) if (!(fr_flags(fp) & FCPHF_CRC_UNCHECKED)) { copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents, - &offset, KM_SOFTIRQ0, NULL); + &offset, NULL); } else { crc = crc32(~0, (u8 *) fh, sizeof(*fh)); copy_len = fc_copy_buffer_to_sglist(buf, len, sg, &nents, - &offset, KM_SOFTIRQ0, &crc); + &offset, &crc); buf = fc_frame_payload_get(fp, 0); if (len % 4) crc = crc32(crc, buf + len, 4 - (len % 4)); @@ -650,10 +650,10 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq, * The scatterlist item may be bigger than PAGE_SIZE, * but we must not cross pages inside the kmap. */ - page_addr = kmap_atomic(page, KM_SOFTIRQ0); + page_addr = kmap_atomic(page); memcpy(data, (char *)page_addr + (off & ~PAGE_MASK), sg_bytes); - kunmap_atomic(page_addr, KM_SOFTIRQ0); + kunmap_atomic(page_addr); data += sg_bytes; } offset += sg_bytes; @@ -1074,8 +1074,7 @@ static int fc_fcp_pkt_send(struct fc_lport *lport, struct fc_fcp_pkt *fsp) fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); fsp->cdb_cmd.fc_flags = fsp->req_flags & ~FCP_CFL_LEN_MASK; - int_to_scsilun(fsp->cmd->device->lun, - (struct scsi_lun *)fsp->cdb_cmd.fc_lun); + int_to_scsilun(fsp->cmd->device->lun, &fsp->cdb_cmd.fc_lun); memcpy(fsp->cdb_cmd.fc_cdb, fsp->cmd->cmnd, fsp->cmd->cmd_len); spin_lock_irqsave(&si->scsi_queue_lock, flags); @@ -1257,7 +1256,7 @@ static int fc_lun_reset(struct fc_lport *lport, struct fc_fcp_pkt *fsp, fsp->cdb_cmd.fc_dl = htonl(fsp->data_len); fsp->cdb_cmd.fc_tm_flags = FCP_TMF_LUN_RESET; - int_to_scsilun(lun, (struct scsi_lun *)fsp->cdb_cmd.fc_lun); + int_to_scsilun(lun, &fsp->cdb_cmd.fc_lun); fsp->wait_for_comp = 1; init_completion(&fsp->tm_done); diff --git a/drivers/scsi/libfc/fc_libfc.c b/drivers/scsi/libfc/fc_libfc.c index 1bf9841ef15..8d65a51a759 100644 --- a/drivers/scsi/libfc/fc_libfc.c +++ b/drivers/scsi/libfc/fc_libfc.c @@ -105,14 +105,13 @@ module_exit(libfc_exit); * @sg: pointer to the pointer of the SG list. * @nents: pointer to the remaining number of entries in the SG list. * @offset: pointer to the current offset in the SG list. - * @km_type: dedicated page table slot type for kmap_atomic. * @crc: pointer to the 32-bit crc value. * If crc is NULL, CRC is not calculated. */ u32 fc_copy_buffer_to_sglist(void *buf, size_t len, struct scatterlist *sg, u32 *nents, size_t *offset, - enum km_type km_type, u32 *crc) + u32 *crc) { size_t remaining = len; u32 copy_len = 0; @@ -142,12 +141,11 @@ u32 fc_copy_buffer_to_sglist(void *buf, size_t len, off = *offset + sg->offset; sg_bytes = min(sg_bytes, (size_t)(PAGE_SIZE - (off & ~PAGE_MASK))); - page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT), - km_type); + page_addr = kmap_atomic(sg_page(sg) + (off >> PAGE_SHIFT)); if (crc) *crc = crc32(*crc, buf, sg_bytes); memcpy((char *)page_addr + (off & ~PAGE_MASK), buf, sg_bytes); - kunmap_atomic(page_addr, km_type); + kunmap_atomic(page_addr); buf += sg_bytes; *offset += sg_bytes; remaining -= sg_bytes; diff --git a/drivers/scsi/libfc/fc_libfc.h b/drivers/scsi/libfc/fc_libfc.h index c7d071289af..c2830cc66d6 100644 --- a/drivers/scsi/libfc/fc_libfc.h +++ b/drivers/scsi/libfc/fc_libfc.h @@ -134,6 +134,6 @@ extern void fc_fc4_conf_lport_params(struct fc_lport *, enum fc_fh_type); u32 fc_copy_buffer_to_sglist(void *buf, size_t len, struct scatterlist *sg, u32 *nents, size_t *offset, - enum km_type km_type, u32 *crc); + u32 *crc); #endif /* _FC_LIBFC_H_ */ diff --git a/drivers/scsi/libfc/fc_lport.c b/drivers/scsi/libfc/fc_lport.c index 83750ebb527..ef9560dff29 100644 --- a/drivers/scsi/libfc/fc_lport.c +++ b/drivers/scsi/libfc/fc_lport.c @@ -116,6 +116,8 @@ static void fc_lport_enter_ns(struct fc_lport *, enum fc_lport_state); static void fc_lport_enter_scr(struct fc_lport *); static void fc_lport_enter_ready(struct fc_lport *); static void fc_lport_enter_logo(struct fc_lport *); +static void fc_lport_enter_fdmi(struct fc_lport *lport); +static void fc_lport_enter_ms(struct fc_lport *, enum fc_lport_state); static const char *fc_lport_state_names[] = { [LPORT_ST_DISABLED] = "disabled", @@ -126,6 +128,11 @@ static const char *fc_lport_state_names[] = { [LPORT_ST_RSPN_ID] = "RSPN_ID", [LPORT_ST_RFT_ID] = "RFT_ID", [LPORT_ST_RFF_ID] = "RFF_ID", + [LPORT_ST_FDMI] = "FDMI", + [LPORT_ST_RHBA] = "RHBA", + [LPORT_ST_RPA] = "RPA", + [LPORT_ST_DHBA] = "DHBA", + [LPORT_ST_DPRT] = "DPRT", [LPORT_ST_SCR] = "SCR", [LPORT_ST_READY] = "Ready", [LPORT_ST_LOGO] = "LOGO", @@ -183,11 +190,14 @@ static void fc_lport_rport_callback(struct fc_lport *lport, if (lport->state == LPORT_ST_DNS) { lport->dns_rdata = rdata; fc_lport_enter_ns(lport, LPORT_ST_RNN_ID); + } else if (lport->state == LPORT_ST_FDMI) { + lport->ms_rdata = rdata; + fc_lport_enter_ms(lport, LPORT_ST_DHBA); } else { FC_LPORT_DBG(lport, "Received an READY event " "on port (%6.6x) for the directory " "server, but the lport is not " - "in the DNS state, it's in the " + "in the DNS or FDMI state, it's in the " "%d state", rdata->ids.port_id, lport->state); lport->tt.rport_logoff(rdata); @@ -196,7 +206,10 @@ static void fc_lport_rport_callback(struct fc_lport *lport, case RPORT_EV_LOGO: case RPORT_EV_FAILED: case RPORT_EV_STOP: - lport->dns_rdata = NULL; + if (rdata->ids.port_id == FC_FID_DIR_SERV) + lport->dns_rdata = NULL; + else if (rdata->ids.port_id == FC_FID_MGMT_SERV) + lport->ms_rdata = NULL; break; case RPORT_EV_NONE: break; @@ -1148,7 +1161,10 @@ static void fc_lport_ns_resp(struct fc_seq *sp, struct fc_frame *fp, fc_lport_enter_ns(lport, LPORT_ST_RFF_ID); break; case LPORT_ST_RFF_ID: - fc_lport_enter_scr(lport); + if (lport->fdmi_enabled) + fc_lport_enter_fdmi(lport); + else + fc_lport_enter_scr(lport); break; default: /* should have already been caught by state checks */ @@ -1163,6 +1179,85 @@ err: } /** + * fc_lport_ms_resp() - Handle response to a management server + * exchange + * @sp: current sequence in exchange + * @fp: response frame + * @lp_arg: Fibre Channel host port instance + * + * Locking Note: This function will be called without the lport lock + * held, but it will lock, call an _enter_* function or fc_lport_error() + * and then unlock the lport. + */ +static void fc_lport_ms_resp(struct fc_seq *sp, struct fc_frame *fp, + void *lp_arg) +{ + struct fc_lport *lport = lp_arg; + struct fc_frame_header *fh; + struct fc_ct_hdr *ct; + + FC_LPORT_DBG(lport, "Received a ms %s\n", fc_els_resp_type(fp)); + + if (fp == ERR_PTR(-FC_EX_CLOSED)) + return; + + mutex_lock(&lport->lp_mutex); + + if (lport->state < LPORT_ST_RHBA || lport->state > LPORT_ST_DPRT) { + FC_LPORT_DBG(lport, "Received a management server response, " + "but in state %s\n", fc_lport_state(lport)); + if (IS_ERR(fp)) + goto err; + goto out; + } + + if (IS_ERR(fp)) { + fc_lport_error(lport, fp); + goto err; + } + + fh = fc_frame_header_get(fp); + ct = fc_frame_payload_get(fp, sizeof(*ct)); + + if (fh && ct && fh->fh_type == FC_TYPE_CT && + ct->ct_fs_type == FC_FST_MGMT && + ct->ct_fs_subtype == FC_FDMI_SUBTYPE) { + FC_LPORT_DBG(lport, "Received a management server response, " + "reason=%d explain=%d\n", + ct->ct_reason, + ct->ct_explan); + + switch (lport->state) { + case LPORT_ST_RHBA: + if (ntohs(ct->ct_cmd) == FC_FS_ACC) + fc_lport_enter_ms(lport, LPORT_ST_RPA); + else /* Error Skip RPA */ + fc_lport_enter_scr(lport); + break; + case LPORT_ST_RPA: + fc_lport_enter_scr(lport); + break; + case LPORT_ST_DPRT: + fc_lport_enter_ms(lport, LPORT_ST_RHBA); + break; + case LPORT_ST_DHBA: + fc_lport_enter_ms(lport, LPORT_ST_DPRT); + break; + default: + /* should have already been caught by state checks */ + break; + } + } else { + /* Invalid Frame? */ + fc_lport_error(lport, fp); + } +out: + fc_frame_free(fp); +err: + mutex_unlock(&lport->lp_mutex); +} + +/** * fc_lport_scr_resp() - Handle response to State Change Register (SCR) request * @sp: current sequence in SCR exchange * @fp: response frame @@ -1339,6 +1434,123 @@ err: } /** + * fc_lport_enter_ms() - management server commands + * @lport: Fibre Channel local port to register + * + * Locking Note: The lport lock is expected to be held before calling + * this routine. + */ +static void fc_lport_enter_ms(struct fc_lport *lport, enum fc_lport_state state) +{ + struct fc_frame *fp; + enum fc_fdmi_req cmd; + int size = sizeof(struct fc_ct_hdr); + size_t len; + int numattrs; + + FC_LPORT_DBG(lport, "Entered %s state from %s state\n", + fc_lport_state_names[state], + fc_lport_state(lport)); + + fc_lport_state_enter(lport, state); + + switch (state) { + case LPORT_ST_RHBA: + cmd = FC_FDMI_RHBA; + /* Number of HBA Attributes */ + numattrs = 10; + len = sizeof(struct fc_fdmi_rhba); + len -= sizeof(struct fc_fdmi_attr_entry); + len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); + len += FC_FDMI_HBA_ATTR_NODENAME_LEN; + len += FC_FDMI_HBA_ATTR_MANUFACTURER_LEN; + len += FC_FDMI_HBA_ATTR_SERIALNUMBER_LEN; + len += FC_FDMI_HBA_ATTR_MODEL_LEN; + len += FC_FDMI_HBA_ATTR_MODELDESCR_LEN; + len += FC_FDMI_HBA_ATTR_HARDWAREVERSION_LEN; + len += FC_FDMI_HBA_ATTR_DRIVERVERSION_LEN; + len += FC_FDMI_HBA_ATTR_OPTIONROMVERSION_LEN; + len += FC_FDMI_HBA_ATTR_FIRMWAREVERSION_LEN; + len += FC_FDMI_HBA_ATTR_OSNAMEVERSION_LEN; + + size += len; + break; + case LPORT_ST_RPA: + cmd = FC_FDMI_RPA; + /* Number of Port Attributes */ + numattrs = 6; + len = sizeof(struct fc_fdmi_rpa); + len -= sizeof(struct fc_fdmi_attr_entry); + len += (numattrs * FC_FDMI_ATTR_ENTRY_HEADER_LEN); + len += FC_FDMI_PORT_ATTR_FC4TYPES_LEN; + len += FC_FDMI_PORT_ATTR_SUPPORTEDSPEED_LEN; + len += FC_FDMI_PORT_ATTR_CURRENTPORTSPEED_LEN; + len += FC_FDMI_PORT_ATTR_MAXFRAMESIZE_LEN; + len += FC_FDMI_PORT_ATTR_OSDEVICENAME_LEN; + len += FC_FDMI_PORT_ATTR_HOSTNAME_LEN; + + size += len; + break; + case LPORT_ST_DPRT: + cmd = FC_FDMI_DPRT; + len = sizeof(struct fc_fdmi_dprt); + size += len; + break; + case LPORT_ST_DHBA: + cmd = FC_FDMI_DHBA; + len = sizeof(struct fc_fdmi_dhba); + size += len; + break; + default: + fc_lport_error(lport, NULL); + return; + } + + FC_LPORT_DBG(lport, "Cmd=0x%x Len %d size %d\n", + cmd, (int)len, size); + fp = fc_frame_alloc(lport, size); + if (!fp) { + fc_lport_error(lport, fp); + return; + } + + if (!lport->tt.elsct_send(lport, FC_FID_MGMT_SERV, fp, cmd, + fc_lport_ms_resp, + lport, 3 * lport->r_a_tov)) + fc_lport_error(lport, fp); +} + +/** + * fc_rport_enter_fdmi() - Create a fc_rport for the management server + * @lport: The local port requesting a remote port for the management server + * + * Locking Note: The lport lock is expected to be held before calling + * this routine. + */ +static void fc_lport_enter_fdmi(struct fc_lport *lport) +{ + struct fc_rport_priv *rdata; + + FC_LPORT_DBG(lport, "Entered FDMI state from %s state\n", + fc_lport_state(lport)); + + fc_lport_state_enter(lport, LPORT_ST_FDMI); + + mutex_lock(&lport->disc.disc_mutex); + rdata = lport->tt.rport_create(lport, FC_FID_MGMT_SERV); + mutex_unlock(&lport->disc.disc_mutex); + if (!rdata) + goto err; + + rdata->ops = &fc_lport_rport_ops; + lport->tt.rport_login(rdata); + return; + +err: + fc_lport_error(lport, NULL); +} + +/** * fc_lport_timeout() - Handler for the retry_work timer * @work: The work struct of the local port */ @@ -1371,6 +1583,15 @@ static void fc_lport_timeout(struct work_struct *work) case LPORT_ST_RFF_ID: fc_lport_enter_ns(lport, lport->state); break; + case LPORT_ST_FDMI: + fc_lport_enter_fdmi(lport); + break; + case LPORT_ST_RHBA: + case LPORT_ST_RPA: + case LPORT_ST_DHBA: + case LPORT_ST_DPRT: + fc_lport_enter_ms(lport, lport->state); + break; case LPORT_ST_SCR: fc_lport_enter_scr(lport); break; @@ -1522,8 +1743,16 @@ void fc_lport_flogi_resp(struct fc_seq *sp, struct fc_frame *fp, mfs = ntohs(flp->fl_csp.sp_bb_data) & FC_SP_BB_DATA_MASK; if (mfs >= FC_SP_MIN_MAX_PAYLOAD && - mfs < lport->mfs) + mfs <= lport->mfs) { lport->mfs = mfs; + fc_host_maxframe_size(lport->host) = mfs; + } else { + FC_LPORT_DBG(lport, "FLOGI bad mfs:%hu response, " + "lport->mfs:%hu\n", mfs, lport->mfs); + fc_lport_error(lport, fp); + goto err; + } + csp_flags = ntohs(flp->fl_csp.sp_features); r_a_tov = ntohl(flp->fl_csp.sp_r_a_tov); e_d_tov = ntohl(flp->fl_csp.sp_e_d_tov); @@ -1698,7 +1927,7 @@ static void fc_lport_bsg_resp(struct fc_seq *sp, struct fc_frame *fp, job->reply->reply_payload_rcv_len += fc_copy_buffer_to_sglist(buf, len, info->sg, &info->nents, - &info->offset, KM_BIO_SRC_IRQ, NULL); + &info->offset, NULL); if (fr_eof(fp) == FC_EOF_T && (ntoh24(fh->fh_f_ctl) & (FC_FC_LAST_SEQ | FC_FC_END_SEQ)) == diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 143bbe448be..82c3fd4bc93 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1909,6 +1909,16 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) ISCSI_DBG_EH(session, "scsi cmd %p timedout\n", sc); spin_lock(&session->lock); + task = (struct iscsi_task *)sc->SCp.ptr; + if (!task) { + /* + * Raced with completion. Blk layer has taken ownership + * so let timeout code complete it now. + */ + rc = BLK_EH_HANDLED; + goto done; + } + if (session->state != ISCSI_STATE_LOGGED_IN) { /* * We are probably in the middle of iscsi recovery so let @@ -1925,16 +1935,6 @@ static enum blk_eh_timer_return iscsi_eh_cmd_timed_out(struct scsi_cmnd *sc) goto done; } - task = (struct iscsi_task *)sc->SCp.ptr; - if (!task) { - /* - * Raced with completion. Just reset timer, and let it - * complete normally - */ - rc = BLK_EH_RESET_TIMER; - goto done; - } - /* * If we have sent (at least queued to the network layer) a pdu or * recvd one for the task since the last timeout ask for @@ -2807,6 +2807,7 @@ void iscsi_session_teardown(struct iscsi_cls_session *cls_session) kfree(session->username); kfree(session->username_in); kfree(session->targetname); + kfree(session->targetalias); kfree(session->initiatorname); kfree(session->ifacename); @@ -3200,7 +3201,7 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn, sscanf(buf, "%d", &session->initial_r2t_en); break; case ISCSI_PARAM_MAX_R2T: - sscanf(buf, "%d", &session->max_r2t); + sscanf(buf, "%hu", &session->max_r2t); break; case ISCSI_PARAM_IMM_DATA_EN: sscanf(buf, "%d", &session->imm_data_en); @@ -3233,6 +3234,8 @@ int iscsi_set_param(struct iscsi_cls_conn *cls_conn, return iscsi_switch_str_param(&session->password_in, buf); case ISCSI_PARAM_TARGET_NAME: return iscsi_switch_str_param(&session->targetname, buf); + case ISCSI_PARAM_TARGET_ALIAS: + return iscsi_switch_str_param(&session->targetalias, buf); case ISCSI_PARAM_TPGT: sscanf(buf, "%d", &session->tpgt); break; @@ -3299,6 +3302,9 @@ int iscsi_session_get_param(struct iscsi_cls_session *cls_session, case ISCSI_PARAM_TARGET_NAME: len = sprintf(buf, "%s\n", session->targetname); break; + case ISCSI_PARAM_TARGET_ALIAS: + len = sprintf(buf, "%s\n", session->targetalias); + break; case ISCSI_PARAM_TPGT: len = sprintf(buf, "%d\n", session->tpgt); break; diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c index 5715a3d0a3d..552e8a2b6f5 100644 --- a/drivers/scsi/libiscsi_tcp.c +++ b/drivers/scsi/libiscsi_tcp.c @@ -135,7 +135,7 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv) if (recv) { segment->atomic_mapped = true; - segment->sg_mapped = kmap_atomic(sg_page(sg), KM_SOFTIRQ0); + segment->sg_mapped = kmap_atomic(sg_page(sg)); } else { segment->atomic_mapped = false; /* the xmit path can sleep with the page mapped so use kmap */ @@ -149,7 +149,7 @@ void iscsi_tcp_segment_unmap(struct iscsi_segment *segment) { if (segment->sg_mapped) { if (segment->atomic_mapped) - kunmap_atomic(segment->sg_mapped, KM_SOFTIRQ0); + kunmap_atomic(segment->sg_mapped); else kunmap(sg_page(segment->sg)); segment->sg_mapped = NULL; @@ -1170,6 +1170,24 @@ void iscsi_tcp_r2tpool_free(struct iscsi_session *session) } EXPORT_SYMBOL_GPL(iscsi_tcp_r2tpool_free); +int iscsi_tcp_set_max_r2t(struct iscsi_conn *conn, char *buf) +{ + struct iscsi_session *session = conn->session; + unsigned short r2ts = 0; + + sscanf(buf, "%hu", &r2ts); + if (session->max_r2t == r2ts) + return 0; + + if (!r2ts || !is_power_of_2(r2ts)) + return -EINVAL; + + session->max_r2t = r2ts; + iscsi_tcp_r2tpool_free(session); + return iscsi_tcp_r2tpool_alloc(session); +} +EXPORT_SYMBOL_GPL(iscsi_tcp_set_max_r2t); + void iscsi_tcp_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats) { diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c index db9238f2ecb..bc0cecc6ad6 100644 --- a/drivers/scsi/libsas/sas_ata.c +++ b/drivers/scsi/libsas/sas_ata.c @@ -23,6 +23,8 @@ #include <linux/scatterlist.h> #include <linux/slab.h> +#include <linux/async.h> +#include <linux/export.h> #include <scsi/sas_ata.h> #include "sas_internal.h" @@ -93,22 +95,47 @@ static enum ata_completion_errors sas_to_ata_err(struct task_status_struct *ts) static void sas_ata_task_done(struct sas_task *task) { struct ata_queued_cmd *qc = task->uldd_task; - struct domain_device *dev; + struct domain_device *dev = task->dev; struct task_status_struct *stat = &task->task_status; struct ata_task_resp *resp = (struct ata_task_resp *)stat->buf; - struct sas_ha_struct *sas_ha; + struct sas_ha_struct *sas_ha = dev->port->ha; enum ata_completion_errors ac; unsigned long flags; struct ata_link *link; + struct ata_port *ap; + + spin_lock_irqsave(&dev->done_lock, flags); + if (test_bit(SAS_HA_FROZEN, &sas_ha->state)) + task = NULL; + else if (qc && qc->scsicmd) + ASSIGN_SAS_TASK(qc->scsicmd, NULL); + spin_unlock_irqrestore(&dev->done_lock, flags); + + /* check if libsas-eh got to the task before us */ + if (unlikely(!task)) + return; if (!qc) goto qc_already_gone; - dev = qc->ap->private_data; - sas_ha = dev->port->ha; - link = &dev->sata_dev.ap->link; + ap = qc->ap; + link = &ap->link; + + spin_lock_irqsave(ap->lock, flags); + /* check if we lost the race with libata/sas_ata_post_internal() */ + if (unlikely(ap->pflags & ATA_PFLAG_FROZEN)) { + spin_unlock_irqrestore(ap->lock, flags); + if (qc->scsicmd) + goto qc_already_gone; + else { + /* if eh is not involved and the port is frozen then the + * ata internal abort process has taken responsibility + * for this sas_task + */ + return; + } + } - spin_lock_irqsave(dev->sata_dev.ap->lock, flags); if (stat->stat == SAS_PROTO_RESPONSE || stat->stat == SAM_STAT_GOOD || ((stat->stat == SAM_STAT_CHECK_CONDITION && dev->sata_dev.command_set == ATAPI_COMMAND_SET))) { @@ -121,10 +148,6 @@ static void sas_ata_task_done(struct sas_task *task) if (unlikely(link->eh_info.err_mask)) qc->flags |= ATA_QCFLAG_FAILED; } - - dev->sata_dev.sstatus = resp->sstatus; - dev->sata_dev.serror = resp->serror; - dev->sata_dev.scontrol = resp->scontrol; } else { ac = sas_to_ata_err(stat); if (ac) { @@ -144,24 +167,8 @@ static void sas_ata_task_done(struct sas_task *task) } qc->lldd_task = NULL; - if (qc->scsicmd) - ASSIGN_SAS_TASK(qc->scsicmd, NULL); ata_qc_complete(qc); - spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags); - - /* - * If the sas_task has an ata qc, a scsi_cmnd and the aborted - * flag is set, then we must have come in via the libsas EH - * functions. When we exit this function, we need to put the - * scsi_cmnd on the list of finished errors. The ata_qc_complete - * call cleans up the libata side of things but we're protected - * from the scsi_cmnd going away because the scsi_cmnd is owned - * by the EH, making libata's call to scsi_done a NOP. - */ - spin_lock_irqsave(&task->task_state_lock, flags); - if (qc->scsicmd && task->task_state_flags & SAS_TASK_STATE_ABORTED) - scsi_eh_finish_cmd(qc->scsicmd, &sas_ha->eh_done_q); - spin_unlock_irqrestore(&task->task_state_lock, flags); + spin_unlock_irqrestore(ap->lock, flags); qc_already_gone: list_del_init(&task->list); @@ -170,23 +177,30 @@ qc_already_gone: static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) { - int res; + unsigned long flags; struct sas_task *task; - struct domain_device *dev = qc->ap->private_data; + struct scatterlist *sg; + int ret = AC_ERR_SYSTEM; + unsigned int si, xfer = 0; + struct ata_port *ap = qc->ap; + struct domain_device *dev = ap->private_data; struct sas_ha_struct *sas_ha = dev->port->ha; struct Scsi_Host *host = sas_ha->core.shost; struct sas_internal *i = to_sas_internal(host->transportt); - struct scatterlist *sg; - unsigned int xfer = 0; - unsigned int si; + + /* TODO: audit callers to ensure they are ready for qc_issue to + * unconditionally re-enable interrupts + */ + local_irq_save(flags); + spin_unlock(ap->lock); /* If the device fell off, no sense in issuing commands */ - if (dev->gone) - return AC_ERR_SYSTEM; + if (test_bit(SAS_DEV_GONE, &dev->state)) + goto out; task = sas_alloc_task(GFP_ATOMIC); if (!task) - return AC_ERR_SYSTEM; + goto out; task->dev = dev; task->task_proto = SAS_PROTOCOL_STP; task->task_done = sas_ata_task_done; @@ -231,21 +245,24 @@ static unsigned int sas_ata_qc_issue(struct ata_queued_cmd *qc) ASSIGN_SAS_TASK(qc->scsicmd, task); if (sas_ha->lldd_max_execute_num < 2) - res = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC); + ret = i->dft->lldd_execute_task(task, 1, GFP_ATOMIC); else - res = sas_queue_up(task); + ret = sas_queue_up(task); /* Examine */ - if (res) { - SAS_DPRINTK("lldd_execute_task returned: %d\n", res); + if (ret) { + SAS_DPRINTK("lldd_execute_task returned: %d\n", ret); if (qc->scsicmd) ASSIGN_SAS_TASK(qc->scsicmd, NULL); sas_free_task(task); - return AC_ERR_SYSTEM; + ret = AC_ERR_SYSTEM; } - return 0; + out: + spin_lock(ap->lock); + local_irq_restore(flags); + return ret; } static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) @@ -256,83 +273,222 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc) return true; } -static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class, - unsigned long deadline) +static struct sas_internal *dev_to_sas_internal(struct domain_device *dev) +{ + return to_sas_internal(dev->port->ha->core.shost->transportt); +} + +static void sas_get_ata_command_set(struct domain_device *dev); + +int sas_get_ata_info(struct domain_device *dev, struct ex_phy *phy) { + if (phy->attached_tproto & SAS_PROTOCOL_STP) + dev->tproto = phy->attached_tproto; + if (phy->attached_sata_dev) + dev->tproto |= SATA_DEV; + + if (phy->attached_dev_type == SATA_PENDING) + dev->dev_type = SATA_PENDING; + else { + int res; + + dev->dev_type = SATA_DEV; + res = sas_get_report_phy_sata(dev->parent, phy->phy_id, + &dev->sata_dev.rps_resp); + if (res) { + SAS_DPRINTK("report phy sata to %016llx:0x%x returned " + "0x%x\n", SAS_ADDR(dev->parent->sas_addr), + phy->phy_id, res); + return res; + } + memcpy(dev->frame_rcvd, &dev->sata_dev.rps_resp.rps.fis, + sizeof(struct dev_to_host_fis)); + /* TODO switch to ata_dev_classify() */ + sas_get_ata_command_set(dev); + } + return 0; +} + +static int sas_ata_clear_pending(struct domain_device *dev, struct ex_phy *phy) +{ + int res; + + /* we weren't pending, so successfully end the reset sequence now */ + if (dev->dev_type != SATA_PENDING) + return 1; + + /* hmmm, if this succeeds do we need to repost the domain_device to the + * lldd so it can pick up new parameters? + */ + res = sas_get_ata_info(dev, phy); + if (res) + return 0; /* retry */ + else + return 1; +} + +static int smp_ata_check_ready(struct ata_link *link) +{ + int res; struct ata_port *ap = link->ap; struct domain_device *dev = ap->private_data; - struct sas_internal *i = - to_sas_internal(dev->port->ha->core.shost->transportt); - int res = TMF_RESP_FUNC_FAILED; - int ret = 0; + struct domain_device *ex_dev = dev->parent; + struct sas_phy *phy = sas_get_local_phy(dev); + struct ex_phy *ex_phy = &ex_dev->ex_dev.ex_phy[phy->number]; - if (i->dft->lldd_I_T_nexus_reset) - res = i->dft->lldd_I_T_nexus_reset(dev); + res = sas_ex_phy_discover(ex_dev, phy->number); + sas_put_local_phy(phy); - if (res != TMF_RESP_FUNC_COMPLETE) { - SAS_DPRINTK("%s: Unable to reset I T nexus?\n", __func__); - ret = -EAGAIN; + /* break the wait early if the expander is unreachable, + * otherwise keep polling + */ + if (res == -ECOMM) + return res; + if (res != SMP_RESP_FUNC_ACC) + return 0; + + switch (ex_phy->attached_dev_type) { + case SATA_PENDING: + return 0; + case SAS_END_DEV: + if (ex_phy->attached_sata_dev) + return sas_ata_clear_pending(dev, ex_phy); + default: + return -ENODEV; } +} - switch (dev->sata_dev.command_set) { - case ATA_COMMAND_SET: - SAS_DPRINTK("%s: Found ATA device.\n", __func__); - *class = ATA_DEV_ATA; - break; - case ATAPI_COMMAND_SET: - SAS_DPRINTK("%s: Found ATAPI device.\n", __func__); - *class = ATA_DEV_ATAPI; - break; - default: - SAS_DPRINTK("%s: Unknown SATA command set: %d.\n", - __func__, - dev->sata_dev.command_set); - *class = ATA_DEV_UNKNOWN; - break; +static int local_ata_check_ready(struct ata_link *link) +{ + struct ata_port *ap = link->ap; + struct domain_device *dev = ap->private_data; + struct sas_internal *i = dev_to_sas_internal(dev); + + if (i->dft->lldd_ata_check_ready) + return i->dft->lldd_ata_check_ready(dev); + else { + /* lldd's that don't implement 'ready' checking get the + * old default behavior of not coordinating reset + * recovery with libata + */ + return 1; } +} - ap->cbl = ATA_CBL_SATA; - return ret; +static int sas_ata_printk(const char *level, const struct domain_device *ddev, + const char *fmt, ...) +{ + struct ata_port *ap = ddev->sata_dev.ap; + struct device *dev = &ddev->rphy->dev; + struct va_format vaf; + va_list args; + int r; + + va_start(args, fmt); + + vaf.fmt = fmt; + vaf.va = &args; + + r = printk("%ssas: ata%u: %s: %pV", + level, ap->print_id, dev_name(dev), &vaf); + + va_end(args); + + return r; } -static int sas_ata_soft_reset(struct ata_link *link, unsigned int *class, - unsigned long deadline) +static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class, + unsigned long deadline) { + int ret = 0, res; + struct sas_phy *phy; struct ata_port *ap = link->ap; + int (*check_ready)(struct ata_link *link); struct domain_device *dev = ap->private_data; - struct sas_internal *i = - to_sas_internal(dev->port->ha->core.shost->transportt); - int res = TMF_RESP_FUNC_FAILED; - int ret = 0; + struct sas_internal *i = dev_to_sas_internal(dev); - if (i->dft->lldd_ata_soft_reset) - res = i->dft->lldd_ata_soft_reset(dev); + res = i->dft->lldd_I_T_nexus_reset(dev); + if (res == -ENODEV) + return res; - if (res != TMF_RESP_FUNC_COMPLETE) { - SAS_DPRINTK("%s: Unable to soft reset\n", __func__); - ret = -EAGAIN; - } + if (res != TMF_RESP_FUNC_COMPLETE) + sas_ata_printk(KERN_DEBUG, dev, "Unable to reset ata device?\n"); + + phy = sas_get_local_phy(dev); + if (scsi_is_sas_phy_local(phy)) + check_ready = local_ata_check_ready; + else + check_ready = smp_ata_check_ready; + sas_put_local_phy(phy); + + ret = ata_wait_after_reset(link, deadline, check_ready); + if (ret && ret != -EAGAIN) + sas_ata_printk(KERN_ERR, dev, "reset failed (errno=%d)\n", ret); + /* XXX: if the class changes during the reset the upper layer + * should be informed, if the device has gone away we assume + * libsas will eventually delete it + */ switch (dev->sata_dev.command_set) { case ATA_COMMAND_SET: - SAS_DPRINTK("%s: Found ATA device.\n", __func__); *class = ATA_DEV_ATA; break; case ATAPI_COMMAND_SET: - SAS_DPRINTK("%s: Found ATAPI device.\n", __func__); *class = ATA_DEV_ATAPI; break; - default: - SAS_DPRINTK("%s: Unknown SATA command set: %d.\n", - __func__, dev->sata_dev.command_set); - *class = ATA_DEV_UNKNOWN; - break; } ap->cbl = ATA_CBL_SATA; return ret; } +/* + * notify the lldd to forget the sas_task for this internal ata command + * that bypasses scsi-eh + */ +static void sas_ata_internal_abort(struct sas_task *task) +{ + struct sas_internal *si = dev_to_sas_internal(task->dev); + unsigned long flags; + int res; + + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_STATE_ABORTED || + task->task_state_flags & SAS_TASK_STATE_DONE) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + SAS_DPRINTK("%s: Task %p already finished.\n", __func__, + task); + goto out; + } + task->task_state_flags |= SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + res = si->dft->lldd_abort_task(task); + + spin_lock_irqsave(&task->task_state_lock, flags); + if (task->task_state_flags & SAS_TASK_STATE_DONE || + res == TMF_RESP_FUNC_COMPLETE) { + spin_unlock_irqrestore(&task->task_state_lock, flags); + goto out; + } + + /* XXX we are not prepared to deal with ->lldd_abort_task() + * failures. TODO: lldds need to unconditionally forget about + * aborted ata tasks, otherwise we (likely) leak the sas task + * here + */ + SAS_DPRINTK("%s: Task %p leaked.\n", __func__, task); + + if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) + task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; + spin_unlock_irqrestore(&task->task_state_lock, flags); + + return; + out: + list_del_init(&task->list); + sas_free_task(task); +} + static void sas_ata_post_internal(struct ata_queued_cmd *qc) { if (qc->flags & ATA_QCFLAG_FAILED) @@ -340,30 +496,35 @@ static void sas_ata_post_internal(struct ata_queued_cmd *qc) if (qc->err_mask) { /* - * Find the sas_task and kill it. By this point, - * libata has decided to kill the qc, so we needn't - * bother with sas_ata_task_done. But we still - * ought to abort the task. + * Find the sas_task and kill it. By this point, libata + * has decided to kill the qc and has frozen the port. + * In this state sas_ata_task_done() will no longer free + * the sas_task, so we need to notify the lldd (via + * ->lldd_abort_task) that the task is dead and free it + * ourselves. */ struct sas_task *task = qc->lldd_task; - unsigned long flags; qc->lldd_task = NULL; - if (task) { - /* Should this be a AT(API) device reset? */ - spin_lock_irqsave(&task->task_state_lock, flags); - task->task_state_flags |= SAS_TASK_NEED_DEV_RESET; - spin_unlock_irqrestore(&task->task_state_lock, flags); - - task->uldd_task = NULL; - __sas_task_abort(task); - } + if (!task) + return; + task->uldd_task = NULL; + sas_ata_internal_abort(task); } } + +static void sas_ata_set_dmamode(struct ata_port *ap, struct ata_device *ata_dev) +{ + struct domain_device *dev = ap->private_data; + struct sas_internal *i = dev_to_sas_internal(dev); + + if (i->dft->lldd_ata_set_dmamode) + i->dft->lldd_ata_set_dmamode(dev); +} + static struct ata_port_operations sas_sata_ops = { .prereset = ata_std_prereset, - .softreset = sas_ata_soft_reset, .hardreset = sas_ata_hard_reset, .postreset = ata_std_postreset, .error_handler = ata_std_error_handler, @@ -374,6 +535,7 @@ static struct ata_port_operations sas_sata_ops = { .qc_fill_rtf = sas_ata_qc_fill_rtf, .port_start = ata_sas_port_start, .port_stop = ata_sas_port_stop, + .set_dmamode = sas_ata_set_dmamode, }; static struct ata_port_info sata_port_info = { @@ -384,11 +546,10 @@ static struct ata_port_info sata_port_info = { .port_ops = &sas_sata_ops }; -int sas_ata_init_host_and_port(struct domain_device *found_dev, - struct scsi_target *starget) +int sas_ata_init_host_and_port(struct domain_device *found_dev) { - struct Scsi_Host *shost = dev_to_shost(&starget->dev); - struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + struct sas_ha_struct *ha = found_dev->port->ha; + struct Scsi_Host *shost = ha->core.shost; struct ata_port *ap; ata_host_init(&found_dev->sata_dev.ata_host, @@ -406,6 +567,8 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev, ap->private_data = found_dev; ap->cbl = ATA_CBL_SATA; ap->scsi_host = shost; + /* publish initialized ata port */ + smp_wmb(); found_dev->sata_dev.ap = ap; return 0; @@ -436,168 +599,14 @@ void sas_ata_task_abort(struct sas_task *task) complete(waiting); } -static void sas_task_timedout(unsigned long _task) -{ - struct sas_task *task = (void *) _task; - unsigned long flags; - - spin_lock_irqsave(&task->task_state_lock, flags); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - spin_unlock_irqrestore(&task->task_state_lock, flags); - - complete(&task->completion); -} - -static void sas_disc_task_done(struct sas_task *task) -{ - if (!del_timer(&task->timer)) - return; - complete(&task->completion); -} - -#define SAS_DEV_TIMEOUT 10 - -/** - * sas_execute_task -- Basic task processing for discovery - * @task: the task to be executed - * @buffer: pointer to buffer to do I/O - * @size: size of @buffer - * @dma_dir: DMA direction. DMA_xxx - */ -static int sas_execute_task(struct sas_task *task, void *buffer, int size, - enum dma_data_direction dma_dir) -{ - int res = 0; - struct scatterlist *scatter = NULL; - struct task_status_struct *ts = &task->task_status; - int num_scatter = 0; - int retries = 0; - struct sas_internal *i = - to_sas_internal(task->dev->port->ha->core.shost->transportt); - - if (dma_dir != DMA_NONE) { - scatter = kzalloc(sizeof(*scatter), GFP_KERNEL); - if (!scatter) - goto out; - - sg_init_one(scatter, buffer, size); - num_scatter = 1; - } - - task->task_proto = task->dev->tproto; - task->scatter = scatter; - task->num_scatter = num_scatter; - task->total_xfer_len = size; - task->data_dir = dma_dir; - task->task_done = sas_disc_task_done; - if (dma_dir != DMA_NONE && - sas_protocol_ata(task->task_proto)) { - task->num_scatter = dma_map_sg(task->dev->port->ha->dev, - task->scatter, - task->num_scatter, - task->data_dir); - } - - for (retries = 0; retries < 5; retries++) { - task->task_state_flags = SAS_TASK_STATE_PENDING; - init_completion(&task->completion); - - task->timer.data = (unsigned long) task; - task->timer.function = sas_task_timedout; - task->timer.expires = jiffies + SAS_DEV_TIMEOUT*HZ; - add_timer(&task->timer); - - res = i->dft->lldd_execute_task(task, 1, GFP_KERNEL); - if (res) { - del_timer(&task->timer); - SAS_DPRINTK("executing SAS discovery task failed:%d\n", - res); - goto ex_err; - } - wait_for_completion(&task->completion); - res = -ECOMM; - if (task->task_state_flags & SAS_TASK_STATE_ABORTED) { - int res2; - SAS_DPRINTK("task aborted, flags:0x%x\n", - task->task_state_flags); - res2 = i->dft->lldd_abort_task(task); - SAS_DPRINTK("came back from abort task\n"); - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { - if (res2 == TMF_RESP_FUNC_COMPLETE) - continue; /* Retry the task */ - else - goto ex_err; - } - } - if (task->task_status.stat == SAM_STAT_BUSY || - task->task_status.stat == SAM_STAT_TASK_SET_FULL || - task->task_status.stat == SAS_QUEUE_FULL) { - SAS_DPRINTK("task: q busy, sleeping...\n"); - schedule_timeout_interruptible(HZ); - } else if (task->task_status.stat == SAM_STAT_CHECK_CONDITION) { - struct scsi_sense_hdr shdr; - - if (!scsi_normalize_sense(ts->buf, ts->buf_valid_size, - &shdr)) { - SAS_DPRINTK("couldn't normalize sense\n"); - continue; - } - if ((shdr.sense_key == 6 && shdr.asc == 0x29) || - (shdr.sense_key == 2 && shdr.asc == 4 && - shdr.ascq == 1)) { - SAS_DPRINTK("device %016llx LUN: %016llx " - "powering up or not ready yet, " - "sleeping...\n", - SAS_ADDR(task->dev->sas_addr), - SAS_ADDR(task->ssp_task.LUN)); - - schedule_timeout_interruptible(5*HZ); - } else if (shdr.sense_key == 1) { - res = 0; - break; - } else if (shdr.sense_key == 5) { - break; - } else { - SAS_DPRINTK("dev %016llx LUN: %016llx " - "sense key:0x%x ASC:0x%x ASCQ:0x%x" - "\n", - SAS_ADDR(task->dev->sas_addr), - SAS_ADDR(task->ssp_task.LUN), - shdr.sense_key, - shdr.asc, shdr.ascq); - } - } else if (task->task_status.resp != SAS_TASK_COMPLETE || - task->task_status.stat != SAM_STAT_GOOD) { - SAS_DPRINTK("task finished with resp:0x%x, " - "stat:0x%x\n", - task->task_status.resp, - task->task_status.stat); - goto ex_err; - } else { - res = 0; - break; - } - } -ex_err: - if (dma_dir != DMA_NONE) { - if (sas_protocol_ata(task->task_proto)) - dma_unmap_sg(task->dev->port->ha->dev, - task->scatter, task->num_scatter, - task->data_dir); - kfree(scatter); - } -out: - return res; -} - -/* ---------- SATA ---------- */ - static void sas_get_ata_command_set(struct domain_device *dev) { struct dev_to_host_fis *fis = (struct dev_to_host_fis *) dev->frame_rcvd; + if (dev->dev_type == SATA_PENDING) + return; + if ((fis->sector_count == 1 && /* ATA */ fis->lbal == 1 && fis->lbam == 0 && @@ -636,224 +645,152 @@ static void sas_get_ata_command_set(struct domain_device *dev) dev->sata_dev.command_set = ATAPI_COMMAND_SET; } -/** - * sas_issue_ata_cmd -- Basic SATA command processing for discovery - * @dev: the device to send the command to - * @command: the command register - * @features: the features register - * @buffer: pointer to buffer to do I/O - * @size: size of @buffer - * @dma_dir: DMA direction. DMA_xxx - */ -static int sas_issue_ata_cmd(struct domain_device *dev, u8 command, - u8 features, void *buffer, int size, - enum dma_data_direction dma_dir) -{ - int res = 0; - struct sas_task *task; - struct dev_to_host_fis *d2h_fis = (struct dev_to_host_fis *) - &dev->frame_rcvd[0]; - - res = -ENOMEM; - task = sas_alloc_task(GFP_KERNEL); - if (!task) - goto out; - - task->dev = dev; - - task->ata_task.fis.fis_type = 0x27; - task->ata_task.fis.command = command; - task->ata_task.fis.features = features; - task->ata_task.fis.device = d2h_fis->device; - task->ata_task.retry_count = 1; - - res = sas_execute_task(task, buffer, size, dma_dir); - - sas_free_task(task); -out: - return res; -} - -#define ATA_IDENTIFY_DEV 0xEC -#define ATA_IDENTIFY_PACKET_DEV 0xA1 -#define ATA_SET_FEATURES 0xEF -#define ATA_FEATURE_PUP_STBY_SPIN_UP 0x07 - -/** - * sas_discover_sata_dev -- discover a STP/SATA device (SATA_DEV) - * @dev: STP/SATA device of interest (ATA/ATAPI) - * - * The LLDD has already been notified of this device, so that we can - * send FISes to it. Here we try to get IDENTIFY DEVICE or IDENTIFY - * PACKET DEVICE, if ATAPI device, so that the LLDD can fine-tune its - * performance for this device. - */ -static int sas_discover_sata_dev(struct domain_device *dev) +void sas_probe_sata(struct asd_sas_port *port) { - int res; - __le16 *identify_x; - u8 command; + struct domain_device *dev, *n; + int err; - identify_x = kzalloc(512, GFP_KERNEL); - if (!identify_x) - return -ENOMEM; - - if (dev->sata_dev.command_set == ATA_COMMAND_SET) { - dev->sata_dev.identify_device = identify_x; - command = ATA_IDENTIFY_DEV; - } else { - dev->sata_dev.identify_packet_device = identify_x; - command = ATA_IDENTIFY_PACKET_DEV; - } + mutex_lock(&port->ha->disco_mutex); + list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) { + if (!dev_is_sata(dev)) + continue; - res = sas_issue_ata_cmd(dev, command, 0, identify_x, 512, - DMA_FROM_DEVICE); - if (res) - goto out_err; - - /* lives on the media? */ - if (le16_to_cpu(identify_x[0]) & 4) { - /* incomplete response */ - SAS_DPRINTK("sending SET FEATURE/PUP_STBY_SPIN_UP to " - "dev %llx\n", SAS_ADDR(dev->sas_addr)); - if (!(identify_x[83] & cpu_to_le16(1<<6))) - goto cont1; - res = sas_issue_ata_cmd(dev, ATA_SET_FEATURES, - ATA_FEATURE_PUP_STBY_SPIN_UP, - NULL, 0, DMA_NONE); - if (res) - goto cont1; - - schedule_timeout_interruptible(5*HZ); /* More time? */ - res = sas_issue_ata_cmd(dev, command, 0, identify_x, 512, - DMA_FROM_DEVICE); - if (res) - goto out_err; + err = sas_ata_init_host_and_port(dev); + if (err) + sas_fail_probe(dev, __func__, err); + else + ata_sas_async_port_init(dev->sata_dev.ap); } -cont1: - /* XXX Hint: register this SATA device with SATL. - When this returns, dev->sata_dev->lu is alive and - present. - sas_satl_register_dev(dev); - */ + mutex_unlock(&port->ha->disco_mutex); - sas_fill_in_rphy(dev, dev->rphy); + list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) { + if (!dev_is_sata(dev)) + continue; - return 0; -out_err: - dev->sata_dev.identify_packet_device = NULL; - dev->sata_dev.identify_device = NULL; - kfree(identify_x); - return res; -} + sas_ata_wait_eh(dev); -static int sas_discover_sata_pm(struct domain_device *dev) -{ - return -ENODEV; + /* if libata could not bring the link up, don't surface + * the device + */ + if (ata_dev_disabled(sas_to_ata_dev(dev))) + sas_fail_probe(dev, __func__, -ENODEV); + } } /** * sas_discover_sata -- discover an STP/SATA domain device * @dev: pointer to struct domain_device of interest * - * First we notify the LLDD of this device, so we can send frames to - * it. Then depending on the type of device we call the appropriate - * discover functions. Once device discover is done, we notify the - * LLDD so that it can fine-tune its parameters for the device, by - * removing it and then adding it. That is, the second time around, - * the driver would have certain fields, that it is looking at, set. - * Finally we initialize the kobj so that the device can be added to - * the system at registration time. Devices directly attached to a HA - * port, have no parents. All other devices do, and should have their - * "parent" pointer set appropriately before calling this function. + * Devices directly attached to a HA port, have no parents. All other + * devices do, and should have their "parent" pointer set appropriately + * before calling this function. */ int sas_discover_sata(struct domain_device *dev) { int res; + if (dev->dev_type == SATA_PM) + return -ENODEV; + sas_get_ata_command_set(dev); + sas_fill_in_rphy(dev, dev->rphy); res = sas_notify_lldd_dev_found(dev); if (res) return res; - switch (dev->dev_type) { - case SATA_DEV: - res = sas_discover_sata_dev(dev); - break; - case SATA_PM: - res = sas_discover_sata_pm(dev); - break; - default: - break; - } - sas_notify_lldd_dev_gone(dev); - if (!res) { - sas_notify_lldd_dev_found(dev); - res = sas_rphy_add(dev->rphy); - } - - return res; + sas_discover_event(dev->port, DISCE_PROBE); + return 0; } -void sas_ata_strategy_handler(struct Scsi_Host *shost) +static void async_sas_ata_eh(void *data, async_cookie_t cookie) { - struct scsi_device *sdev; + struct domain_device *dev = data; + struct ata_port *ap = dev->sata_dev.ap; + struct sas_ha_struct *ha = dev->port->ha; - shost_for_each_device(sdev, shost) { - struct domain_device *ddev = sdev_to_domain_dev(sdev); - struct ata_port *ap = ddev->sata_dev.ap; + /* hold a reference over eh since we may be racing with final + * remove once all commands are completed + */ + kref_get(&dev->kref); + sas_ata_printk(KERN_DEBUG, dev, "dev error handler\n"); + ata_scsi_port_error_handler(ha->core.shost, ap); + sas_put_device(dev); +} - if (!dev_is_sata(ddev)) - continue; +static bool sas_ata_dev_eh_valid(struct domain_device *dev) +{ + struct ata_port *ap; - ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler"); - ata_scsi_port_error_handler(shost, ap); - } + if (!dev_is_sata(dev)) + return false; + ap = dev->sata_dev.ap; + /* consume fully initialized ata ports */ + smp_rmb(); + return !!ap; } -int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task, - enum blk_eh_timer_return *rtn) +void sas_ata_strategy_handler(struct Scsi_Host *shost) { - struct domain_device *ddev = cmd_to_domain_dev(cmd); + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + LIST_HEAD(async); + int i; + + /* it's ok to defer revalidation events during ata eh, these + * disks are in one of three states: + * 1/ present for initial domain discovery, and these + * resets will cause bcn flutters + * 2/ hot removed, we'll discover that after eh fails + * 3/ hot added after initial discovery, lost the race, and need + * to catch the next train. + */ + sas_disable_revalidation(sas_ha); - if (!dev_is_sata(ddev) || task) - return 0; + spin_lock_irq(&sas_ha->phy_port_lock); + for (i = 0; i < sas_ha->num_phys; i++) { + struct asd_sas_port *port = sas_ha->sas_port[i]; + struct domain_device *dev; - /* we're a sata device with no task, so this must be a libata - * eh timeout. Ideally should hook into libata timeout - * handling, but there's no point, it just wants to activate - * the eh thread */ - *rtn = BLK_EH_NOT_HANDLED; - return 1; + spin_lock(&port->dev_list_lock); + list_for_each_entry(dev, &port->dev_list, dev_list_node) { + if (!sas_ata_dev_eh_valid(dev)) + continue; + async_schedule_domain(async_sas_ata_eh, dev, &async); + } + spin_unlock(&port->dev_list_lock); + } + spin_unlock_irq(&sas_ha->phy_port_lock); + + async_synchronize_full_domain(&async); + + sas_enable_revalidation(sas_ha); } -int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, - struct list_head *done_q) +void sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, + struct list_head *done_q) { - int rtn = 0; struct scsi_cmnd *cmd, *n; - struct ata_port *ap; + struct domain_device *eh_dev; do { LIST_HEAD(sata_q); - - ap = NULL; + eh_dev = NULL; list_for_each_entry_safe(cmd, n, work_q, eh_entry) { struct domain_device *ddev = cmd_to_domain_dev(cmd); if (!dev_is_sata(ddev) || TO_SAS_TASK(cmd)) continue; - if (ap && ap != ddev->sata_dev.ap) + if (eh_dev && eh_dev != ddev) continue; - ap = ddev->sata_dev.ap; - rtn = 1; + eh_dev = ddev; list_move(&cmd->eh_entry, &sata_q); } if (!list_empty(&sata_q)) { - ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata cmd error handler\n"); + struct ata_port *ap = eh_dev->sata_dev.ap; + + sas_ata_printk(KERN_DEBUG, eh_dev, "cmd error handler\n"); ata_scsi_cmd_error_handler(shost, ap, &sata_q); /* * ata's error handler may leave the cmd on the list @@ -869,7 +806,36 @@ int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q, while (!list_empty(&sata_q)) list_del_init(sata_q.next); } - } while (ap); + } while (eh_dev); +} + +void sas_ata_schedule_reset(struct domain_device *dev) +{ + struct ata_eh_info *ehi; + struct ata_port *ap; + unsigned long flags; + + if (!dev_is_sata(dev)) + return; + + ap = dev->sata_dev.ap; + ehi = &ap->link.eh_info; + + spin_lock_irqsave(ap->lock, flags); + ehi->err_mask |= AC_ERR_TIMEOUT; + ehi->action |= ATA_EH_RESET; + ata_port_schedule_eh(ap); + spin_unlock_irqrestore(ap->lock, flags); +} +EXPORT_SYMBOL_GPL(sas_ata_schedule_reset); + +void sas_ata_wait_eh(struct domain_device *dev) +{ + struct ata_port *ap; + + if (!dev_is_sata(dev)) + return; - return rtn; + ap = dev->sata_dev.ap; + ata_port_wait_eh(ap); } diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c index 54a5199ceb5..36467967560 100644 --- a/drivers/scsi/libsas/sas_discover.c +++ b/drivers/scsi/libsas/sas_discover.c @@ -30,29 +30,30 @@ #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_sas.h> +#include <scsi/sas_ata.h> #include "../scsi_sas_internal.h" /* ---------- Basic task processing for discovery purposes ---------- */ void sas_init_dev(struct domain_device *dev) { - INIT_LIST_HEAD(&dev->siblings); - INIT_LIST_HEAD(&dev->dev_list_node); - switch (dev->dev_type) { - case SAS_END_DEV: - break; - case EDGE_DEV: - case FANOUT_DEV: - INIT_LIST_HEAD(&dev->ex_dev.children); - break; - case SATA_DEV: - case SATA_PM: - case SATA_PM_PORT: - INIT_LIST_HEAD(&dev->sata_dev.children); - break; - default: - break; - } + switch (dev->dev_type) { + case SAS_END_DEV: + break; + case EDGE_DEV: + case FANOUT_DEV: + INIT_LIST_HEAD(&dev->ex_dev.children); + mutex_init(&dev->ex_dev.cmd_mutex); + break; + case SATA_DEV: + case SATA_PM: + case SATA_PM_PORT: + case SATA_PENDING: + INIT_LIST_HEAD(&dev->sata_dev.children); + break; + default: + break; + } } /* ---------- Domain device discovery ---------- */ @@ -68,19 +69,18 @@ void sas_init_dev(struct domain_device *dev) */ static int sas_get_port_device(struct asd_sas_port *port) { - unsigned long flags; struct asd_sas_phy *phy; struct sas_rphy *rphy; struct domain_device *dev; - dev = kzalloc(sizeof(*dev), GFP_KERNEL); + dev = sas_alloc_device(); if (!dev) return -ENOMEM; - spin_lock_irqsave(&port->phy_list_lock, flags); + spin_lock_irq(&port->phy_list_lock); if (list_empty(&port->phy_list)) { - spin_unlock_irqrestore(&port->phy_list_lock, flags); - kfree(dev); + spin_unlock_irq(&port->phy_list_lock); + sas_put_device(dev); return -ENODEV; } phy = container_of(port->phy_list.next, struct asd_sas_phy, port_phy_el); @@ -88,7 +88,7 @@ static int sas_get_port_device(struct asd_sas_port *port) memcpy(dev->frame_rcvd, phy->frame_rcvd, min(sizeof(dev->frame_rcvd), (size_t)phy->frame_rcvd_size)); spin_unlock(&phy->frame_rcvd_lock); - spin_unlock_irqrestore(&port->phy_list_lock, flags); + spin_unlock_irq(&port->phy_list_lock); if (dev->frame_rcvd[0] == 0x34 && port->oob_mode == SATA_OOB_MODE) { struct dev_to_host_fis *fis = @@ -130,9 +130,14 @@ static int sas_get_port_device(struct asd_sas_port *port) } if (!rphy) { - kfree(dev); + sas_put_device(dev); return -ENODEV; } + + spin_lock_irq(&port->phy_list_lock); + list_for_each_entry(phy, &port->phy_list, port_phy_el) + sas_phy_set_target(phy, dev); + spin_unlock_irq(&port->phy_list_lock); rphy->identify.phy_identifier = phy->phy->identify.phy_identifier; memcpy(dev->sas_addr, port->attached_sas_addr, SAS_ADDR_SIZE); sas_fill_in_rphy(dev, rphy); @@ -147,11 +152,17 @@ static int sas_get_port_device(struct asd_sas_port *port) memset(port->disc.eeds_a, 0, SAS_ADDR_SIZE); memset(port->disc.eeds_b, 0, SAS_ADDR_SIZE); port->disc.max_level = 0; + sas_device_set_phy(dev, port->port); dev->rphy = rphy; - spin_lock_irq(&port->dev_list_lock); - list_add_tail(&dev->dev_list_node, &port->dev_list); - spin_unlock_irq(&port->dev_list_lock); + + if (dev_is_sata(dev) || dev->dev_type == SAS_END_DEV) + list_add_tail(&dev->disco_list_node, &port->disco_list); + else { + spin_lock_irq(&port->dev_list_lock); + list_add_tail(&dev->dev_list_node, &port->dev_list); + spin_unlock_irq(&port->dev_list_lock); + } return 0; } @@ -173,6 +184,7 @@ int sas_notify_lldd_dev_found(struct domain_device *dev) dev_name(sas_ha->dev), SAS_ADDR(dev->sas_addr), res); } + kref_get(&dev->kref); } return res; } @@ -184,12 +196,40 @@ void sas_notify_lldd_dev_gone(struct domain_device *dev) struct Scsi_Host *shost = sas_ha->core.shost; struct sas_internal *i = to_sas_internal(shost->transportt); - if (i->dft->lldd_dev_gone) + if (i->dft->lldd_dev_gone) { i->dft->lldd_dev_gone(dev); + sas_put_device(dev); + } } -/* ---------- Common/dispatchers ---------- */ +static void sas_probe_devices(struct work_struct *work) +{ + struct domain_device *dev, *n; + struct sas_discovery_event *ev = + container_of(work, struct sas_discovery_event, work); + struct asd_sas_port *port = ev->port; + + clear_bit(DISCE_PROBE, &port->disc.pending); + /* devices must be domain members before link recovery and probe */ + list_for_each_entry(dev, &port->disco_list, disco_list_node) { + spin_lock_irq(&port->dev_list_lock); + list_add_tail(&dev->dev_list_node, &port->dev_list); + spin_unlock_irq(&port->dev_list_lock); + } + + sas_probe_sata(port); + + list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) { + int err; + + err = sas_rphy_add(dev->rphy); + if (err) + sas_fail_probe(dev, __func__, err); + else + list_del_init(&dev->disco_list_node); + } +} /** * sas_discover_end_dev -- discover an end device (SSP, etc) @@ -203,22 +243,36 @@ int sas_discover_end_dev(struct domain_device *dev) res = sas_notify_lldd_dev_found(dev); if (res) - goto out_err2; - - res = sas_rphy_add(dev->rphy); - if (res) - goto out_err; + return res; + sas_discover_event(dev->port, DISCE_PROBE); return 0; - -out_err: - sas_notify_lldd_dev_gone(dev); -out_err2: - return res; } /* ---------- Device registration and unregistration ---------- */ +void sas_free_device(struct kref *kref) +{ + struct domain_device *dev = container_of(kref, typeof(*dev), kref); + + if (dev->parent) + sas_put_device(dev->parent); + + sas_port_put_phy(dev->phy); + dev->phy = NULL; + + /* remove the phys and ports, everything else should be gone */ + if (dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV) + kfree(dev->ex_dev.ex_phy); + + if (dev_is_sata(dev) && dev->sata_dev.ap) { + ata_sas_port_destroy(dev->sata_dev.ap); + dev->sata_dev.ap = NULL; + } + + kfree(dev); +} + static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_device *dev) { sas_notify_lldd_dev_gone(dev); @@ -230,34 +284,84 @@ static void sas_unregister_common_dev(struct asd_sas_port *port, struct domain_d spin_lock_irq(&port->dev_list_lock); list_del_init(&dev->dev_list_node); spin_unlock_irq(&port->dev_list_lock); + + sas_put_device(dev); } -void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) +static void sas_destruct_devices(struct work_struct *work) { - if (dev->rphy) { + struct domain_device *dev, *n; + struct sas_discovery_event *ev = + container_of(work, struct sas_discovery_event, work); + struct asd_sas_port *port = ev->port; + + clear_bit(DISCE_DESTRUCT, &port->disc.pending); + + list_for_each_entry_safe(dev, n, &port->destroy_list, disco_list_node) { + list_del_init(&dev->disco_list_node); + sas_remove_children(&dev->rphy->dev); sas_rphy_delete(dev->rphy); dev->rphy = NULL; + sas_unregister_common_dev(port, dev); } - if (dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV) { - /* remove the phys and ports, everything else should be gone */ - kfree(dev->ex_dev.ex_phy); - dev->ex_dev.ex_phy = NULL; +} + +void sas_unregister_dev(struct asd_sas_port *port, struct domain_device *dev) +{ + if (!test_bit(SAS_DEV_DESTROY, &dev->state) && + !list_empty(&dev->disco_list_node)) { + /* this rphy never saw sas_rphy_add */ + list_del_init(&dev->disco_list_node); + sas_rphy_free(dev->rphy); + dev->rphy = NULL; + sas_unregister_common_dev(port, dev); + } + + if (dev->rphy && !test_and_set_bit(SAS_DEV_DESTROY, &dev->state)) { + sas_rphy_unlink(dev->rphy); + list_move_tail(&dev->disco_list_node, &port->destroy_list); + sas_discover_event(dev->port, DISCE_DESTRUCT); } - sas_unregister_common_dev(port, dev); } -void sas_unregister_domain_devices(struct asd_sas_port *port) +void sas_unregister_domain_devices(struct asd_sas_port *port, int gone) { struct domain_device *dev, *n; - list_for_each_entry_safe_reverse(dev, n, &port->dev_list, dev_list_node) + list_for_each_entry_safe_reverse(dev, n, &port->dev_list, dev_list_node) { + if (gone) + set_bit(SAS_DEV_GONE, &dev->state); + sas_unregister_dev(port, dev); + } + + list_for_each_entry_safe(dev, n, &port->disco_list, disco_list_node) sas_unregister_dev(port, dev); port->port->rphy = NULL; } +void sas_device_set_phy(struct domain_device *dev, struct sas_port *port) +{ + struct sas_ha_struct *ha; + struct sas_phy *new_phy; + + if (!dev) + return; + + ha = dev->port->ha; + new_phy = sas_port_get_phy(port); + + /* pin and record last seen phy */ + spin_lock_irq(&ha->phy_port_lock); + if (new_phy) { + sas_port_put_phy(dev->phy); + dev->phy = new_phy; + } + spin_unlock_irq(&ha->phy_port_lock); +} + /* ---------- Discovery and Revalidation ---------- */ /** @@ -277,8 +381,7 @@ static void sas_discover_domain(struct work_struct *work) container_of(work, struct sas_discovery_event, work); struct asd_sas_port *port = ev->port; - sas_begin_event(DISCE_DISCOVER_DOMAIN, &port->disc.disc_event_lock, - &port->disc.pending); + clear_bit(DISCE_DISCOVER_DOMAIN, &port->disc.pending); if (port->port_dev) return; @@ -318,11 +421,12 @@ static void sas_discover_domain(struct work_struct *work) sas_rphy_free(dev->rphy); dev->rphy = NULL; + list_del_init(&dev->disco_list_node); spin_lock_irq(&port->dev_list_lock); list_del_init(&dev->dev_list_node); spin_unlock_irq(&port->dev_list_lock); - kfree(dev); /* not kobject_register-ed yet */ + sas_put_device(dev); port->port_dev = NULL; } @@ -336,21 +440,51 @@ static void sas_revalidate_domain(struct work_struct *work) struct sas_discovery_event *ev = container_of(work, struct sas_discovery_event, work); struct asd_sas_port *port = ev->port; + struct sas_ha_struct *ha = port->ha; + + /* prevent revalidation from finding sata links in recovery */ + mutex_lock(&ha->disco_mutex); + if (test_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state)) { + SAS_DPRINTK("REVALIDATION DEFERRED on port %d, pid:%d\n", + port->id, task_pid_nr(current)); + goto out; + } - sas_begin_event(DISCE_REVALIDATE_DOMAIN, &port->disc.disc_event_lock, - &port->disc.pending); + clear_bit(DISCE_REVALIDATE_DOMAIN, &port->disc.pending); SAS_DPRINTK("REVALIDATING DOMAIN on port %d, pid:%d\n", port->id, task_pid_nr(current)); + if (port->port_dev) res = sas_ex_revalidate_domain(port->port_dev); SAS_DPRINTK("done REVALIDATING DOMAIN on port %d, pid:%d, res 0x%x\n", port->id, task_pid_nr(current), res); + out: + mutex_unlock(&ha->disco_mutex); } /* ---------- Events ---------- */ +static void sas_chain_work(struct sas_ha_struct *ha, struct work_struct *work) +{ + /* chained work is not subject to SA_HA_DRAINING or SAS_HA_REGISTERED */ + scsi_queue_work(ha->core.shost, work); +} + +static void sas_chain_event(int event, unsigned long *pending, + struct work_struct *work, + struct sas_ha_struct *ha) +{ + if (!test_and_set_bit(event, pending)) { + unsigned long flags; + + spin_lock_irqsave(&ha->state_lock, flags); + sas_chain_work(ha, work); + spin_unlock_irqrestore(&ha->state_lock, flags); + } +} + int sas_discover_event(struct asd_sas_port *port, enum discover_event ev) { struct sas_discovery *disc; @@ -361,8 +495,7 @@ int sas_discover_event(struct asd_sas_port *port, enum discover_event ev) BUG_ON(ev >= DISC_NUM_EVENTS); - sas_queue_event(ev, &disc->disc_event_lock, &disc->pending, - &disc->disc_work[ev].work, port->ha); + sas_chain_event(ev, &disc->pending, &disc->disc_work[ev].work, port->ha); return 0; } @@ -380,9 +513,10 @@ void sas_init_disc(struct sas_discovery *disc, struct asd_sas_port *port) static const work_func_t sas_event_fns[DISC_NUM_EVENTS] = { [DISCE_DISCOVER_DOMAIN] = sas_discover_domain, [DISCE_REVALIDATE_DOMAIN] = sas_revalidate_domain, + [DISCE_PROBE] = sas_probe_devices, + [DISCE_DESTRUCT] = sas_destruct_devices, }; - spin_lock_init(&disc->disc_event_lock); disc->pending = 0; for (i = 0; i < DISC_NUM_EVENTS; i++) { INIT_WORK(&disc->disc_work[i].work, sas_event_fns[i]); diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c index 9db30fb5caf..16639bbae62 100644 --- a/drivers/scsi/libsas/sas_event.c +++ b/drivers/scsi/libsas/sas_event.c @@ -22,15 +22,103 @@ * */ +#include <linux/export.h> #include <scsi/scsi_host.h> #include "sas_internal.h" #include "sas_dump.h" +void sas_queue_work(struct sas_ha_struct *ha, struct work_struct *work) +{ + if (!test_bit(SAS_HA_REGISTERED, &ha->state)) + return; + + if (test_bit(SAS_HA_DRAINING, &ha->state)) + list_add(&work->entry, &ha->defer_q); + else + scsi_queue_work(ha->core.shost, work); +} + +static void sas_queue_event(int event, unsigned long *pending, + struct work_struct *work, + struct sas_ha_struct *ha) +{ + if (!test_and_set_bit(event, pending)) { + unsigned long flags; + + spin_lock_irqsave(&ha->state_lock, flags); + sas_queue_work(ha, work); + spin_unlock_irqrestore(&ha->state_lock, flags); + } +} + + +void __sas_drain_work(struct sas_ha_struct *ha) +{ + struct workqueue_struct *wq = ha->core.shost->work_q; + struct work_struct *w, *_w; + + set_bit(SAS_HA_DRAINING, &ha->state); + /* flush submitters */ + spin_lock_irq(&ha->state_lock); + spin_unlock_irq(&ha->state_lock); + + drain_workqueue(wq); + + spin_lock_irq(&ha->state_lock); + clear_bit(SAS_HA_DRAINING, &ha->state); + list_for_each_entry_safe(w, _w, &ha->defer_q, entry) { + list_del_init(&w->entry); + sas_queue_work(ha, w); + } + spin_unlock_irq(&ha->state_lock); +} + +int sas_drain_work(struct sas_ha_struct *ha) +{ + int err; + + err = mutex_lock_interruptible(&ha->drain_mutex); + if (err) + return err; + if (test_bit(SAS_HA_REGISTERED, &ha->state)) + __sas_drain_work(ha); + mutex_unlock(&ha->drain_mutex); + + return 0; +} +EXPORT_SYMBOL_GPL(sas_drain_work); + +void sas_disable_revalidation(struct sas_ha_struct *ha) +{ + mutex_lock(&ha->disco_mutex); + set_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state); + mutex_unlock(&ha->disco_mutex); +} + +void sas_enable_revalidation(struct sas_ha_struct *ha) +{ + int i; + + mutex_lock(&ha->disco_mutex); + clear_bit(SAS_HA_ATA_EH_ACTIVE, &ha->state); + for (i = 0; i < ha->num_phys; i++) { + struct asd_sas_port *port = ha->sas_port[i]; + const int ev = DISCE_REVALIDATE_DOMAIN; + struct sas_discovery *d = &port->disc; + + if (!test_and_clear_bit(ev, &d->pending)) + continue; + + sas_queue_event(ev, &d->pending, &d->disc_work[ev].work, ha); + } + mutex_unlock(&ha->disco_mutex); +} + static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event) { BUG_ON(event >= HA_NUM_EVENTS); - sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending, + sas_queue_event(event, &sas_ha->pending, &sas_ha->ha_events[event].work, sas_ha); } @@ -40,7 +128,7 @@ static void notify_port_event(struct asd_sas_phy *phy, enum port_event event) BUG_ON(event >= PORT_NUM_EVENTS); - sas_queue_event(event, &ha->event_lock, &phy->port_events_pending, + sas_queue_event(event, &phy->port_events_pending, &phy->port_events[event].work, ha); } @@ -50,7 +138,7 @@ static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event) BUG_ON(event >= PHY_NUM_EVENTS); - sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending, + sas_queue_event(event, &phy->phy_events_pending, &phy->phy_events[event].work, ha); } @@ -62,8 +150,6 @@ int sas_init_events(struct sas_ha_struct *sas_ha) int i; - spin_lock_init(&sas_ha->event_lock); - for (i = 0; i < HA_NUM_EVENTS; i++) { INIT_WORK(&sas_ha->ha_events[i].work, sas_ha_event_fns[i]); sas_ha->ha_events[i].ha = sas_ha; diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c index 1b831c55ec6..05acd9e35fc 100644 --- a/drivers/scsi/libsas/sas_expander.c +++ b/drivers/scsi/libsas/sas_expander.c @@ -28,6 +28,7 @@ #include "sas_internal.h" +#include <scsi/sas_ata.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_transport_sas.h> #include "../scsi_sas_internal.h" @@ -71,11 +72,18 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, struct sas_internal *i = to_sas_internal(dev->port->ha->core.shost->transportt); + mutex_lock(&dev->ex_dev.cmd_mutex); for (retry = 0; retry < 3; retry++) { - task = sas_alloc_task(GFP_KERNEL); - if (!task) - return -ENOMEM; + if (test_bit(SAS_DEV_GONE, &dev->state)) { + res = -ECOMM; + break; + } + task = sas_alloc_task(GFP_KERNEL); + if (!task) { + res = -ENOMEM; + break; + } task->dev = dev; task->task_proto = dev->tproto; sg_init_one(&task->smp_task.smp_req, req, req_size); @@ -93,7 +101,7 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, if (res) { del_timer(&task->timer); SAS_DPRINTK("executing SMP task failed:%d\n", res); - goto ex_err; + break; } wait_for_completion(&task->completion); @@ -103,24 +111,30 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, i->dft->lldd_abort_task(task); if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) { SAS_DPRINTK("SMP task aborted and not done\n"); - goto ex_err; + break; } } if (task->task_status.resp == SAS_TASK_COMPLETE && task->task_status.stat == SAM_STAT_GOOD) { res = 0; break; - } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_UNDERRUN) { + } + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_UNDERRUN) { /* no error, but return the number of bytes of * underrun */ res = task->task_status.residual; break; - } if (task->task_status.resp == SAS_TASK_COMPLETE && - task->task_status.stat == SAS_DATA_OVERRUN) { + } + if (task->task_status.resp == SAS_TASK_COMPLETE && + task->task_status.stat == SAS_DATA_OVERRUN) { res = -EMSGSIZE; break; - } else { + } + if (task->task_status.resp == SAS_TASK_UNDELIVERED && + task->task_status.stat == SAS_DEVICE_UNKNOWN) + break; + else { SAS_DPRINTK("%s: task to dev %016llx response: 0x%x " "status 0x%x\n", __func__, SAS_ADDR(dev->sas_addr), @@ -130,11 +144,10 @@ static int smp_execute_task(struct domain_device *dev, void *req, int req_size, task = NULL; } } -ex_err: + mutex_unlock(&dev->ex_dev.cmd_mutex); + BUG_ON(retry == 3 && task != NULL); - if (task != NULL) { - sas_free_task(task); - } + sas_free_task(task); return res; } @@ -153,19 +166,49 @@ static inline void *alloc_smp_resp(int size) return kzalloc(size, GFP_KERNEL); } -/* ---------- Expander configuration ---------- */ +static char sas_route_char(struct domain_device *dev, struct ex_phy *phy) +{ + switch (phy->routing_attr) { + case TABLE_ROUTING: + if (dev->ex_dev.t2t_supp) + return 'U'; + else + return 'T'; + case DIRECT_ROUTING: + return 'D'; + case SUBTRACTIVE_ROUTING: + return 'S'; + default: + return '?'; + } +} + +static enum sas_dev_type to_dev_type(struct discover_resp *dr) +{ + /* This is detecting a failure to transmit initial dev to host + * FIS as described in section J.5 of sas-2 r16 + */ + if (dr->attached_dev_type == NO_DEVICE && dr->attached_sata_dev && + dr->linkrate >= SAS_LINK_RATE_1_5_GBPS) + return SATA_PENDING; + else + return dr->attached_dev_type; +} -static void sas_set_ex_phy(struct domain_device *dev, int phy_id, - void *disc_resp) +static void sas_set_ex_phy(struct domain_device *dev, int phy_id, void *rsp) { + enum sas_dev_type dev_type; + enum sas_linkrate linkrate; + u8 sas_addr[SAS_ADDR_SIZE]; + struct smp_resp *resp = rsp; + struct discover_resp *dr = &resp->disc; struct expander_device *ex = &dev->ex_dev; struct ex_phy *phy = &ex->ex_phy[phy_id]; - struct smp_resp *resp = disc_resp; - struct discover_resp *dr = &resp->disc; struct sas_rphy *rphy = dev->rphy; - int rediscover = (phy->phy != NULL); + bool new_phy = !phy->phy; + char *type; - if (!rediscover) { + if (new_phy) { phy->phy = sas_phy_alloc(&rphy->dev, phy_id); /* FIXME: error_handling */ @@ -184,8 +227,13 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, break; } + /* check if anything important changed to squelch debug */ + dev_type = phy->attached_dev_type; + linkrate = phy->linkrate; + memcpy(sas_addr, phy->attached_sas_addr, SAS_ADDR_SIZE); + + phy->attached_dev_type = to_dev_type(dr); phy->phy_id = phy_id; - phy->attached_dev_type = dr->attached_dev_type; phy->linkrate = dr->linkrate; phy->attached_sata_host = dr->attached_sata_host; phy->attached_sata_dev = dr->attached_sata_dev; @@ -200,9 +248,11 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, phy->last_da_index = -1; phy->phy->identify.sas_address = SAS_ADDR(phy->attached_sas_addr); - phy->phy->identify.device_type = phy->attached_dev_type; + phy->phy->identify.device_type = dr->attached_dev_type; phy->phy->identify.initiator_port_protocols = phy->attached_iproto; phy->phy->identify.target_port_protocols = phy->attached_tproto; + if (!phy->attached_tproto && dr->attached_sata_dev) + phy->phy->identify.target_port_protocols = SAS_PROTOCOL_SATA; phy->phy->identify.phy_identifier = phy_id; phy->phy->minimum_linkrate_hw = dr->hmin_linkrate; phy->phy->maximum_linkrate_hw = dr->hmax_linkrate; @@ -210,20 +260,76 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, phy->phy->maximum_linkrate = dr->pmax_linkrate; phy->phy->negotiated_linkrate = phy->linkrate; - if (!rediscover) + if (new_phy) if (sas_phy_add(phy->phy)) { sas_phy_free(phy->phy); return; } - SAS_DPRINTK("ex %016llx phy%02d:%c attached: %016llx\n", + switch (phy->attached_dev_type) { + case SATA_PENDING: + type = "stp pending"; + break; + case NO_DEVICE: + type = "no device"; + break; + case SAS_END_DEV: + if (phy->attached_iproto) { + if (phy->attached_tproto) + type = "host+target"; + else + type = "host"; + } else { + if (dr->attached_sata_dev) + type = "stp"; + else + type = "ssp"; + } + break; + case EDGE_DEV: + case FANOUT_DEV: + type = "smp"; + break; + default: + type = "unknown"; + } + + /* this routine is polled by libata error recovery so filter + * unimportant messages + */ + if (new_phy || phy->attached_dev_type != dev_type || + phy->linkrate != linkrate || + SAS_ADDR(phy->attached_sas_addr) != SAS_ADDR(sas_addr)) + /* pass */; + else + return; + + SAS_DPRINTK("ex %016llx phy%02d:%c:%X attached: %016llx (%s)\n", SAS_ADDR(dev->sas_addr), phy->phy_id, - phy->routing_attr == TABLE_ROUTING ? 'T' : - phy->routing_attr == DIRECT_ROUTING ? 'D' : - phy->routing_attr == SUBTRACTIVE_ROUTING ? 'S' : '?', - SAS_ADDR(phy->attached_sas_addr)); + sas_route_char(dev, phy), phy->linkrate, + SAS_ADDR(phy->attached_sas_addr), type); +} + +/* check if we have an existing attached ata device on this expander phy */ +struct domain_device *sas_ex_to_ata(struct domain_device *ex_dev, int phy_id) +{ + struct ex_phy *ex_phy = &ex_dev->ex_dev.ex_phy[phy_id]; + struct domain_device *dev; + struct sas_rphy *rphy; + + if (!ex_phy->port) + return NULL; - return; + rphy = ex_phy->port->rphy; + if (!rphy) + return NULL; + + dev = sas_find_dev_by_rphy(rphy); + + if (dev && dev_is_sata(dev)) + return dev; + + return NULL; } #define DISCOVER_REQ_SIZE 16 @@ -232,39 +338,25 @@ static void sas_set_ex_phy(struct domain_device *dev, int phy_id, static int sas_ex_phy_discover_helper(struct domain_device *dev, u8 *disc_req, u8 *disc_resp, int single) { - int i, res; + struct discover_resp *dr; + int res; disc_req[9] = single; - for (i = 1 ; i < 3; i++) { - struct discover_resp *dr; - res = smp_execute_task(dev, disc_req, DISCOVER_REQ_SIZE, - disc_resp, DISCOVER_RESP_SIZE); - if (res) - return res; - /* This is detecting a failure to transmit initial - * dev to host FIS as described in section G.5 of - * sas-2 r 04b */ - dr = &((struct smp_resp *)disc_resp)->disc; - if (memcmp(dev->sas_addr, dr->attached_sas_addr, - SAS_ADDR_SIZE) == 0) { - sas_printk("Found loopback topology, just ignore it!\n"); - return 0; - } - if (!(dr->attached_dev_type == 0 && - dr->attached_sata_dev)) - break; - /* In order to generate the dev to host FIS, we - * send a link reset to the expander port */ - sas_smp_phy_control(dev, single, PHY_FUNC_LINK_RESET, NULL); - /* Wait for the reset to trigger the negotiation */ - msleep(500); + res = smp_execute_task(dev, disc_req, DISCOVER_REQ_SIZE, + disc_resp, DISCOVER_RESP_SIZE); + if (res) + return res; + dr = &((struct smp_resp *)disc_resp)->disc; + if (memcmp(dev->sas_addr, dr->attached_sas_addr, SAS_ADDR_SIZE) == 0) { + sas_printk("Found loopback topology, just ignore it!\n"); + return 0; } sas_set_ex_phy(dev, single, disc_resp); return 0; } -static int sas_ex_phy_discover(struct domain_device *dev, int single) +int sas_ex_phy_discover(struct domain_device *dev, int single) { struct expander_device *ex = &dev->ex_dev; int res = 0; @@ -569,9 +661,8 @@ int sas_smp_get_phy_events(struct sas_phy *phy) #define RPS_REQ_SIZE 16 #define RPS_RESP_SIZE 60 -static int sas_get_report_phy_sata(struct domain_device *dev, - int phy_id, - struct smp_resp *rps_resp) +int sas_get_report_phy_sata(struct domain_device *dev, int phy_id, + struct smp_resp *rps_resp) { int res; u8 *rps_req = alloc_smp_req(RPS_REQ_SIZE); @@ -657,10 +748,11 @@ static struct domain_device *sas_ex_discover_end_dev( if (phy->attached_sata_host || phy->attached_sata_ps) return NULL; - child = kzalloc(sizeof(*child), GFP_KERNEL); + child = sas_alloc_device(); if (!child) return NULL; + kref_get(&parent->kref); child->parent = parent; child->port = parent->port; child->iproto = phy->attached_iproto; @@ -676,24 +768,13 @@ static struct domain_device *sas_ex_discover_end_dev( } } sas_ex_get_linkrate(parent, child, phy); + sas_device_set_phy(child, phy->port); #ifdef CONFIG_SCSI_SAS_ATA if ((phy->attached_tproto & SAS_PROTOCOL_STP) || phy->attached_sata_dev) { - child->dev_type = SATA_DEV; - if (phy->attached_tproto & SAS_PROTOCOL_STP) - child->tproto = phy->attached_tproto; - if (phy->attached_sata_dev) - child->tproto |= SATA_DEV; - res = sas_get_report_phy_sata(parent, phy_id, - &child->sata_dev.rps_resp); - if (res) { - SAS_DPRINTK("report phy sata to %016llx:0x%x returned " - "0x%x\n", SAS_ADDR(parent->sas_addr), - phy_id, res); + res = sas_get_ata_info(child, phy); + if (res) goto out_free; - } - memcpy(child->frame_rcvd, &child->sata_dev.rps_resp.rps.fis, - sizeof(struct dev_to_host_fis)); rphy = sas_end_device_alloc(phy->port); if (unlikely(!rphy)) @@ -703,9 +784,7 @@ static struct domain_device *sas_ex_discover_end_dev( child->rphy = rphy; - spin_lock_irq(&parent->port->dev_list_lock); - list_add_tail(&child->dev_list_node, &parent->port->dev_list); - spin_unlock_irq(&parent->port->dev_list_lock); + list_add_tail(&child->disco_list_node, &parent->port->disco_list); res = sas_discover_sata(child); if (res) { @@ -729,9 +808,7 @@ static struct domain_device *sas_ex_discover_end_dev( child->rphy = rphy; sas_fill_in_rphy(child, rphy); - spin_lock_irq(&parent->port->dev_list_lock); - list_add_tail(&child->dev_list_node, &parent->port->dev_list); - spin_unlock_irq(&parent->port->dev_list_lock); + list_add_tail(&child->disco_list_node, &parent->port->disco_list); res = sas_discover_end_dev(child); if (res) { @@ -755,6 +832,7 @@ static struct domain_device *sas_ex_discover_end_dev( sas_rphy_free(child->rphy); child->rphy = NULL; + list_del(&child->disco_list_node); spin_lock_irq(&parent->port->dev_list_lock); list_del(&child->dev_list_node); spin_unlock_irq(&parent->port->dev_list_lock); @@ -762,7 +840,7 @@ static struct domain_device *sas_ex_discover_end_dev( sas_port_delete(phy->port); out_err: phy->port = NULL; - kfree(child); + sas_put_device(child); return NULL; } @@ -809,7 +887,7 @@ static struct domain_device *sas_ex_discover_expander( phy->attached_phy_id); return NULL; } - child = kzalloc(sizeof(*child), GFP_KERNEL); + child = sas_alloc_device(); if (!child) return NULL; @@ -835,6 +913,7 @@ static struct domain_device *sas_ex_discover_expander( child->rphy = rphy; edev = rphy_to_expander_device(rphy); child->dev_type = phy->attached_dev_type; + kref_get(&parent->kref); child->parent = parent; child->port = port; child->iproto = phy->attached_iproto; @@ -858,7 +937,7 @@ static struct domain_device *sas_ex_discover_expander( spin_lock_irq(&parent->port->dev_list_lock); list_del(&child->dev_list_node); spin_unlock_irq(&parent->port->dev_list_lock); - kfree(child); + sas_put_device(child); return NULL; } list_add_tail(&child->siblings, &parent->ex_dev.children); @@ -908,7 +987,8 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id) if (ex_phy->attached_dev_type != SAS_END_DEV && ex_phy->attached_dev_type != FANOUT_DEV && - ex_phy->attached_dev_type != EDGE_DEV) { + ex_phy->attached_dev_type != EDGE_DEV && + ex_phy->attached_dev_type != SATA_PENDING) { SAS_DPRINTK("unknown device type(0x%x) attached to ex %016llx " "phy 0x%x\n", ex_phy->attached_dev_type, SAS_ADDR(dev->sas_addr), @@ -934,6 +1014,7 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id) switch (ex_phy->attached_dev_type) { case SAS_END_DEV: + case SATA_PENDING: child = sas_ex_discover_end_dev(dev, phy_id); break; case FANOUT_DEV: @@ -1128,32 +1209,25 @@ static void sas_print_parent_topology_bug(struct domain_device *child, struct ex_phy *parent_phy, struct ex_phy *child_phy) { - static const char ra_char[] = { - [DIRECT_ROUTING] = 'D', - [SUBTRACTIVE_ROUTING] = 'S', - [TABLE_ROUTING] = 'T', - }; static const char *ex_type[] = { [EDGE_DEV] = "edge", [FANOUT_DEV] = "fanout", }; struct domain_device *parent = child->parent; - sas_printk("%s ex %016llx (T2T supp:%d) phy 0x%x <--> %s ex %016llx " - "(T2T supp:%d) phy 0x%x has %c:%c routing link!\n", + sas_printk("%s ex %016llx phy 0x%x <--> %s ex %016llx " + "phy 0x%x has %c:%c routing link!\n", ex_type[parent->dev_type], SAS_ADDR(parent->sas_addr), - parent->ex_dev.t2t_supp, parent_phy->phy_id, ex_type[child->dev_type], SAS_ADDR(child->sas_addr), - child->ex_dev.t2t_supp, child_phy->phy_id, - ra_char[parent_phy->routing_attr], - ra_char[child_phy->routing_attr]); + sas_route_char(parent, parent_phy), + sas_route_char(child, child_phy)); } static int sas_check_eeds(struct domain_device *child, @@ -1610,8 +1684,8 @@ static int sas_get_phy_change_count(struct domain_device *dev, return res; } -static int sas_get_phy_attached_sas_addr(struct domain_device *dev, - int phy_id, u8 *attached_sas_addr) +static int sas_get_phy_attached_dev(struct domain_device *dev, int phy_id, + u8 *sas_addr, enum sas_dev_type *type) { int res; struct smp_resp *disc_resp; @@ -1623,10 +1697,11 @@ static int sas_get_phy_attached_sas_addr(struct domain_device *dev, dr = &disc_resp->disc; res = sas_get_phy_discover(dev, phy_id, disc_resp); - if (!res) { - memcpy(attached_sas_addr,disc_resp->disc.attached_sas_addr,8); - if (dr->attached_dev_type == 0) - memset(attached_sas_addr, 0, 8); + if (res == 0) { + memcpy(sas_addr, disc_resp->disc.attached_sas_addr, 8); + *type = to_dev_type(dr); + if (*type == 0) + memset(sas_addr, 0, 8); } kfree(disc_resp); return res; @@ -1748,7 +1823,7 @@ static void sas_unregister_ex_tree(struct asd_sas_port *port, struct domain_devi struct domain_device *child, *n; list_for_each_entry_safe(child, n, &ex->children, siblings) { - child->gone = 1; + set_bit(SAS_DEV_GONE, &child->state); if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) sas_unregister_ex_tree(port, child); @@ -1763,27 +1838,28 @@ static void sas_unregister_devs_sas_addr(struct domain_device *parent, { struct expander_device *ex_dev = &parent->ex_dev; struct ex_phy *phy = &ex_dev->ex_phy[phy_id]; - struct domain_device *child, *n; + struct domain_device *child, *n, *found = NULL; if (last) { list_for_each_entry_safe(child, n, &ex_dev->children, siblings) { if (SAS_ADDR(child->sas_addr) == SAS_ADDR(phy->attached_sas_addr)) { - child->gone = 1; + set_bit(SAS_DEV_GONE, &child->state); if (child->dev_type == EDGE_DEV || child->dev_type == FANOUT_DEV) sas_unregister_ex_tree(parent->port, child); else sas_unregister_dev(parent->port, child); + found = child; break; } } - parent->gone = 1; sas_disable_routing(parent, phy->attached_sas_addr); } memset(phy->attached_sas_addr, 0, SAS_ADDR_SIZE); if (phy->port) { sas_port_delete_phy(phy->port, phy->phy); + sas_device_set_phy(found, phy->port); if (phy->port->num_phys == 0) sas_port_delete(phy->port); phy->port = NULL; @@ -1874,39 +1950,71 @@ out: return res; } +static bool dev_type_flutter(enum sas_dev_type new, enum sas_dev_type old) +{ + if (old == new) + return true; + + /* treat device directed resets as flutter, if we went + * SAS_END_DEV to SATA_PENDING the link needs recovery + */ + if ((old == SATA_PENDING && new == SAS_END_DEV) || + (old == SAS_END_DEV && new == SATA_PENDING)) + return true; + + return false; +} + static int sas_rediscover_dev(struct domain_device *dev, int phy_id, bool last) { struct expander_device *ex = &dev->ex_dev; struct ex_phy *phy = &ex->ex_phy[phy_id]; - u8 attached_sas_addr[8]; + enum sas_dev_type type = NO_DEVICE; + u8 sas_addr[8]; int res; - res = sas_get_phy_attached_sas_addr(dev, phy_id, attached_sas_addr); + res = sas_get_phy_attached_dev(dev, phy_id, sas_addr, &type); switch (res) { case SMP_RESP_NO_PHY: phy->phy_state = PHY_NOT_PRESENT; sas_unregister_devs_sas_addr(dev, phy_id, last); - goto out; break; + return res; case SMP_RESP_PHY_VACANT: phy->phy_state = PHY_VACANT; sas_unregister_devs_sas_addr(dev, phy_id, last); - goto out; break; + return res; case SMP_RESP_FUNC_ACC: break; } - if (SAS_ADDR(attached_sas_addr) == 0) { + if (SAS_ADDR(sas_addr) == 0) { phy->phy_state = PHY_EMPTY; sas_unregister_devs_sas_addr(dev, phy_id, last); - } else if (SAS_ADDR(attached_sas_addr) == - SAS_ADDR(phy->attached_sas_addr)) { - SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter\n", - SAS_ADDR(dev->sas_addr), phy_id); + return res; + } else if (SAS_ADDR(sas_addr) == SAS_ADDR(phy->attached_sas_addr) && + dev_type_flutter(type, phy->attached_dev_type)) { + struct domain_device *ata_dev = sas_ex_to_ata(dev, phy_id); + char *action = ""; + sas_ex_phy_discover(dev, phy_id); - } else - res = sas_discover_new(dev, phy_id); -out: - return res; + + if (ata_dev && phy->attached_dev_type == SATA_PENDING) + action = ", needs recovery"; + SAS_DPRINTK("ex %016llx phy 0x%x broadcast flutter%s\n", + SAS_ADDR(dev->sas_addr), phy_id, action); + return res; + } + + /* delete the old link */ + if (SAS_ADDR(phy->attached_sas_addr) && + SAS_ADDR(sas_addr) != SAS_ADDR(phy->attached_sas_addr)) { + SAS_DPRINTK("ex %016llx phy 0x%x replace %016llx\n", + SAS_ADDR(dev->sas_addr), phy_id, + SAS_ADDR(phy->attached_sas_addr)); + sas_unregister_devs_sas_addr(dev, phy_id, last); + } + + return sas_discover_new(dev, phy_id); } /** diff --git a/drivers/scsi/libsas/sas_host_smp.c b/drivers/scsi/libsas/sas_host_smp.c index bb8f49269a6..d2479257516 100644 --- a/drivers/scsi/libsas/sas_host_smp.c +++ b/drivers/scsi/libsas/sas_host_smp.c @@ -187,11 +187,14 @@ static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id, struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); struct sas_phy_linkrates rates; + struct asd_sas_phy *asd_phy; if (phy_id >= sas_ha->num_phys) { resp_data[2] = SMP_RESP_NO_PHY; return; } + + asd_phy = sas_ha->sas_phy[phy_id]; switch (phy_op) { case PHY_FUNC_NOP: case PHY_FUNC_LINK_RESET: @@ -210,7 +213,13 @@ static void sas_phy_control(struct sas_ha_struct *sas_ha, u8 phy_id, rates.minimum_linkrate = min; rates.maximum_linkrate = max; - if (i->dft->lldd_control_phy(sas_ha->sas_phy[phy_id], phy_op, &rates)) + /* filter reset requests through libata eh */ + if (phy_op == PHY_FUNC_LINK_RESET && sas_try_ata_reset(asd_phy) == 0) { + resp_data[2] = SMP_RESP_FUNC_ACC; + return; + } + + if (i->dft->lldd_control_phy(asd_phy, phy_op, &rates)) resp_data[2] = SMP_RESP_FUNC_FAILED; else resp_data[2] = SMP_RESP_FUNC_ACC; @@ -246,9 +255,9 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, } local_irq_disable(); - buf = kmap_atomic(bio_page(req->bio), KM_USER0) + bio_offset(req->bio); + buf = kmap_atomic(bio_page(req->bio)); memcpy(req_data, buf, blk_rq_bytes(req)); - kunmap_atomic(buf - bio_offset(req->bio), KM_USER0); + kunmap_atomic(buf - bio_offset(req->bio)); local_irq_enable(); if (req_data[0] != SMP_REQUEST) @@ -361,10 +370,10 @@ int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, } local_irq_disable(); - buf = kmap_atomic(bio_page(rsp->bio), KM_USER0) + bio_offset(rsp->bio); + buf = kmap_atomic(bio_page(rsp->bio)); memcpy(buf, resp_data, blk_rq_bytes(rsp)); flush_kernel_dcache_page(bio_page(rsp->bio)); - kunmap_atomic(buf - bio_offset(rsp->bio), KM_USER0); + kunmap_atomic(buf - bio_offset(rsp->bio)); local_irq_enable(); out: diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c index d81c3b1989f..120bff64be3 100644 --- a/drivers/scsi/libsas/sas_init.c +++ b/drivers/scsi/libsas/sas_init.c @@ -28,6 +28,7 @@ #include <linux/init.h> #include <linux/device.h> #include <linux/spinlock.h> +#include <scsi/sas_ata.h> #include <scsi/scsi_host.h> #include <scsi/scsi_device.h> #include <scsi/scsi_transport.h> @@ -97,14 +98,14 @@ void sas_hae_reset(struct work_struct *work) container_of(work, struct sas_ha_event, work); struct sas_ha_struct *ha = ev->ha; - sas_begin_event(HAE_RESET, &ha->event_lock, - &ha->pending); + clear_bit(HAE_RESET, &ha->pending); } int sas_register_ha(struct sas_ha_struct *sas_ha) { int error = 0; + mutex_init(&sas_ha->disco_mutex); spin_lock_init(&sas_ha->phy_port_lock); sas_hash_addr(sas_ha->hashed_sas_addr, sas_ha->sas_addr); @@ -113,8 +114,10 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) else if (sas_ha->lldd_queue_size == -1) sas_ha->lldd_queue_size = 128; /* Sanity */ - sas_ha->state = SAS_HA_REGISTERED; + set_bit(SAS_HA_REGISTERED, &sas_ha->state); spin_lock_init(&sas_ha->state_lock); + mutex_init(&sas_ha->drain_mutex); + INIT_LIST_HEAD(&sas_ha->defer_q); error = sas_register_phys(sas_ha); if (error) { @@ -144,6 +147,7 @@ int sas_register_ha(struct sas_ha_struct *sas_ha) } INIT_LIST_HEAD(&sas_ha->eh_done_q); + INIT_LIST_HEAD(&sas_ha->eh_ata_q); return 0; @@ -156,17 +160,23 @@ Undo_phys: int sas_unregister_ha(struct sas_ha_struct *sas_ha) { - unsigned long flags; - - /* Set the state to unregistered to avoid further - * events to be queued */ - spin_lock_irqsave(&sas_ha->state_lock, flags); - sas_ha->state = SAS_HA_UNREGISTERED; - spin_unlock_irqrestore(&sas_ha->state_lock, flags); - scsi_flush_work(sas_ha->core.shost); + /* Set the state to unregistered to avoid further unchained + * events to be queued, and flush any in-progress drainers + */ + mutex_lock(&sas_ha->drain_mutex); + spin_lock_irq(&sas_ha->state_lock); + clear_bit(SAS_HA_REGISTERED, &sas_ha->state); + spin_unlock_irq(&sas_ha->state_lock); + __sas_drain_work(sas_ha); + mutex_unlock(&sas_ha->drain_mutex); sas_unregister_ports(sas_ha); + /* flush unregistration work */ + mutex_lock(&sas_ha->drain_mutex); + __sas_drain_work(sas_ha); + mutex_unlock(&sas_ha->drain_mutex); + if (sas_ha->lldd_max_execute_num > 1) { sas_shutdown_queue(sas_ha); sas_ha->lldd_max_execute_num = 1; @@ -190,15 +200,75 @@ static int sas_get_linkerrors(struct sas_phy *phy) return sas_smp_get_phy_events(phy); } -int sas_phy_enable(struct sas_phy *phy, int enable) +int sas_try_ata_reset(struct asd_sas_phy *asd_phy) +{ + struct domain_device *dev = NULL; + + /* try to route user requested link resets through libata */ + if (asd_phy->port) + dev = asd_phy->port->port_dev; + + /* validate that dev has been probed */ + if (dev) + dev = sas_find_dev_by_rphy(dev->rphy); + + if (dev && dev_is_sata(dev)) { + sas_ata_schedule_reset(dev); + sas_ata_wait_eh(dev); + return 0; + } + + return -ENODEV; +} + +/** + * transport_sas_phy_reset - reset a phy and permit libata to manage the link + * + * phy reset request via sysfs in host workqueue context so we know we + * can block on eh and safely traverse the domain_device topology + */ +static int transport_sas_phy_reset(struct sas_phy *phy, int hard_reset) +{ + enum phy_func reset_type; + + if (hard_reset) + reset_type = PHY_FUNC_HARD_RESET; + else + reset_type = PHY_FUNC_LINK_RESET; + + if (scsi_is_sas_phy_local(phy)) { + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost); + struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number]; + struct sas_internal *i = + to_sas_internal(sas_ha->core.shost->transportt); + + if (!hard_reset && sas_try_ata_reset(asd_phy) == 0) + return 0; + return i->dft->lldd_control_phy(asd_phy, reset_type, NULL); + } else { + struct sas_rphy *rphy = dev_to_rphy(phy->dev.parent); + struct domain_device *ddev = sas_find_dev_by_rphy(rphy); + struct domain_device *ata_dev = sas_ex_to_ata(ddev, phy->number); + + if (ata_dev && !hard_reset) { + sas_ata_schedule_reset(ata_dev); + sas_ata_wait_eh(ata_dev); + return 0; + } else + return sas_smp_phy_control(ddev, phy->number, reset_type, NULL); + } +} + +static int sas_phy_enable(struct sas_phy *phy, int enable) { int ret; - enum phy_func command; + enum phy_func cmd; if (enable) - command = PHY_FUNC_LINK_RESET; + cmd = PHY_FUNC_LINK_RESET; else - command = PHY_FUNC_DISABLE; + cmd = PHY_FUNC_DISABLE; if (scsi_is_sas_phy_local(phy)) { struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); @@ -207,15 +277,18 @@ int sas_phy_enable(struct sas_phy *phy, int enable) struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); - if (!enable) { - sas_phy_disconnected(asd_phy); - sas_ha->notify_phy_event(asd_phy, PHYE_LOSS_OF_SIGNAL); - } - ret = i->dft->lldd_control_phy(asd_phy, command, NULL); + if (enable) + ret = transport_sas_phy_reset(phy, 0); + else + ret = i->dft->lldd_control_phy(asd_phy, cmd, NULL); } else { struct sas_rphy *rphy = dev_to_rphy(phy->dev.parent); struct domain_device *ddev = sas_find_dev_by_rphy(rphy); - ret = sas_smp_phy_control(ddev, phy->number, command, NULL); + + if (enable) + ret = transport_sas_phy_reset(phy, 0); + else + ret = sas_smp_phy_control(ddev, phy->number, cmd, NULL); } return ret; } @@ -225,6 +298,9 @@ int sas_phy_reset(struct sas_phy *phy, int hard_reset) int ret; enum phy_func reset_type; + if (!phy->enabled) + return -ENODEV; + if (hard_reset) reset_type = PHY_FUNC_HARD_RESET; else @@ -285,9 +361,101 @@ int sas_set_phy_speed(struct sas_phy *phy, return ret; } +static void sas_phy_release(struct sas_phy *phy) +{ + kfree(phy->hostdata); + phy->hostdata = NULL; +} + +static void phy_reset_work(struct work_struct *work) +{ + struct sas_phy_data *d = container_of(work, typeof(*d), reset_work); + + d->reset_result = transport_sas_phy_reset(d->phy, d->hard_reset); +} + +static void phy_enable_work(struct work_struct *work) +{ + struct sas_phy_data *d = container_of(work, typeof(*d), enable_work); + + d->enable_result = sas_phy_enable(d->phy, d->enable); +} + +static int sas_phy_setup(struct sas_phy *phy) +{ + struct sas_phy_data *d = kzalloc(sizeof(*d), GFP_KERNEL); + + if (!d) + return -ENOMEM; + + mutex_init(&d->event_lock); + INIT_WORK(&d->reset_work, phy_reset_work); + INIT_WORK(&d->enable_work, phy_enable_work); + d->phy = phy; + phy->hostdata = d; + + return 0; +} + +static int queue_phy_reset(struct sas_phy *phy, int hard_reset) +{ + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + struct sas_phy_data *d = phy->hostdata; + int rc; + + if (!d) + return -ENOMEM; + + /* libsas workqueue coordinates ata-eh reset with discovery */ + mutex_lock(&d->event_lock); + d->reset_result = 0; + d->hard_reset = hard_reset; + + spin_lock_irq(&ha->state_lock); + sas_queue_work(ha, &d->reset_work); + spin_unlock_irq(&ha->state_lock); + + rc = sas_drain_work(ha); + if (rc == 0) + rc = d->reset_result; + mutex_unlock(&d->event_lock); + + return rc; +} + +static int queue_phy_enable(struct sas_phy *phy, int enable) +{ + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + struct sas_phy_data *d = phy->hostdata; + int rc; + + if (!d) + return -ENOMEM; + + /* libsas workqueue coordinates ata-eh reset with discovery */ + mutex_lock(&d->event_lock); + d->enable_result = 0; + d->enable = enable; + + spin_lock_irq(&ha->state_lock); + sas_queue_work(ha, &d->enable_work); + spin_unlock_irq(&ha->state_lock); + + rc = sas_drain_work(ha); + if (rc == 0) + rc = d->enable_result; + mutex_unlock(&d->event_lock); + + return rc; +} + static struct sas_function_template sft = { - .phy_enable = sas_phy_enable, - .phy_reset = sas_phy_reset, + .phy_enable = queue_phy_enable, + .phy_reset = queue_phy_reset, + .phy_setup = sas_phy_setup, + .phy_release = sas_phy_release, .set_phy_speed = sas_set_phy_speed, .get_linkerrors = sas_get_linkerrors, .smp_handler = sas_smp_handler, diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h index 14e21b5fb8b..f05c6387994 100644 --- a/drivers/scsi/libsas/sas_internal.h +++ b/drivers/scsi/libsas/sas_internal.h @@ -30,6 +30,7 @@ #include <scsi/scsi_host.h> #include <scsi/scsi_transport_sas.h> #include <scsi/libsas.h> +#include <scsi/sas_ata.h> #define sas_printk(fmt, ...) printk(KERN_NOTICE "sas: " fmt, ## __VA_ARGS__) @@ -38,6 +39,18 @@ #define TO_SAS_TASK(_scsi_cmd) ((void *)(_scsi_cmd)->host_scribble) #define ASSIGN_SAS_TASK(_sc, _t) do { (_sc)->host_scribble = (void *) _t; } while (0) +struct sas_phy_data { + /* let reset be performed in sas_queue_work() context */ + struct sas_phy *phy; + struct mutex event_lock; + int hard_reset; + int reset_result; + struct work_struct reset_work; + int enable; + int enable_result; + struct work_struct enable_work; +}; + void sas_scsi_recover_host(struct Scsi_Host *shost); int sas_show_class(enum sas_class class, char *buf); @@ -56,6 +69,9 @@ enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *); int sas_init_queue(struct sas_ha_struct *sas_ha); int sas_init_events(struct sas_ha_struct *sas_ha); void sas_shutdown_queue(struct sas_ha_struct *sas_ha); +void sas_disable_revalidation(struct sas_ha_struct *ha); +void sas_enable_revalidation(struct sas_ha_struct *ha); +void __sas_drain_work(struct sas_ha_struct *ha); void sas_deform_port(struct asd_sas_phy *phy, int gone); @@ -64,6 +80,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work); void sas_porte_link_reset_err(struct work_struct *work); void sas_porte_timer_event(struct work_struct *work); void sas_porte_hard_reset(struct work_struct *work); +void sas_queue_work(struct sas_ha_struct *ha, struct work_struct *work); int sas_notify_lldd_dev_found(struct domain_device *); void sas_notify_lldd_dev_gone(struct domain_device *); @@ -72,10 +89,17 @@ int sas_smp_phy_control(struct domain_device *dev, int phy_id, enum phy_func phy_func, struct sas_phy_linkrates *); int sas_smp_get_phy_events(struct sas_phy *phy); +void sas_device_set_phy(struct domain_device *dev, struct sas_port *port); struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy); - +struct domain_device *sas_ex_to_ata(struct domain_device *ex_dev, int phy_id); +int sas_ex_phy_discover(struct domain_device *dev, int single); +int sas_get_report_phy_sata(struct domain_device *dev, int phy_id, + struct smp_resp *rps_resp); +int sas_try_ata_reset(struct asd_sas_phy *phy); void sas_hae_reset(struct work_struct *work); +void sas_free_device(struct kref *kref); + #ifdef CONFIG_SCSI_SAS_HOST_SMP extern int sas_smp_host_handler(struct Scsi_Host *shost, struct request *req, struct request *rsp); @@ -90,36 +114,13 @@ static inline int sas_smp_host_handler(struct Scsi_Host *shost, } #endif -static inline void sas_queue_event(int event, spinlock_t *lock, - unsigned long *pending, - struct work_struct *work, - struct sas_ha_struct *sas_ha) +static inline void sas_fail_probe(struct domain_device *dev, const char *func, int err) { - unsigned long flags; - - spin_lock_irqsave(lock, flags); - if (test_bit(event, pending)) { - spin_unlock_irqrestore(lock, flags); - return; - } - __set_bit(event, pending); - spin_unlock_irqrestore(lock, flags); - - spin_lock_irqsave(&sas_ha->state_lock, flags); - if (sas_ha->state != SAS_HA_UNREGISTERED) { - scsi_queue_work(sas_ha->core.shost, work); - } - spin_unlock_irqrestore(&sas_ha->state_lock, flags); -} - -static inline void sas_begin_event(int event, spinlock_t *lock, - unsigned long *pending) -{ - unsigned long flags; - - spin_lock_irqsave(lock, flags); - __clear_bit(event, pending); - spin_unlock_irqrestore(lock, flags); + SAS_DPRINTK("%s: for %s device %16llx returned %d\n", + func, dev->parent ? "exp-attached" : + "direct-attached", + SAS_ADDR(dev->sas_addr), err); + sas_unregister_dev(dev->port, dev); } static inline void sas_fill_in_rphy(struct domain_device *dev, @@ -132,6 +133,7 @@ static inline void sas_fill_in_rphy(struct domain_device *dev, case SATA_DEV: /* FIXME: need sata device type */ case SAS_END_DEV: + case SATA_PENDING: rphy->identify.device_type = SAS_END_DEVICE; break; case EDGE_DEV: @@ -146,6 +148,22 @@ static inline void sas_fill_in_rphy(struct domain_device *dev, } } +static inline void sas_phy_set_target(struct asd_sas_phy *p, struct domain_device *dev) +{ + struct sas_phy *phy = p->phy; + + if (dev) { + if (dev_is_sata(dev)) + phy->identify.device_type = SAS_END_DEVICE; + else + phy->identify.device_type = dev->dev_type; + phy->identify.target_port_protocols = dev->tproto; + } else { + phy->identify.device_type = SAS_PHY_UNUSED; + phy->identify.target_port_protocols = 0; + } +} + static inline void sas_add_parent_port(struct domain_device *dev, int phy_id) { struct expander_device *ex = &dev->ex_dev; @@ -161,4 +179,23 @@ static inline void sas_add_parent_port(struct domain_device *dev, int phy_id) sas_port_add_phy(ex->parent_port, ex_phy->phy); } +static inline struct domain_device *sas_alloc_device(void) +{ + struct domain_device *dev = kzalloc(sizeof(*dev), GFP_KERNEL); + + if (dev) { + INIT_LIST_HEAD(&dev->siblings); + INIT_LIST_HEAD(&dev->dev_list_node); + INIT_LIST_HEAD(&dev->disco_list_node); + kref_init(&dev->kref); + spin_lock_init(&dev->done_lock); + } + return dev; +} + +static inline void sas_put_device(struct domain_device *dev) +{ + kref_put(&dev->kref, sas_free_device); +} + #endif /* _SAS_INTERNAL_H_ */ diff --git a/drivers/scsi/libsas/sas_phy.c b/drivers/scsi/libsas/sas_phy.c index e0f5018e907..dcfd4a9105c 100644 --- a/drivers/scsi/libsas/sas_phy.c +++ b/drivers/scsi/libsas/sas_phy.c @@ -36,8 +36,7 @@ static void sas_phye_loss_of_signal(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PHYE_LOSS_OF_SIGNAL, &phy->ha->event_lock, - &phy->phy_events_pending); + clear_bit(PHYE_LOSS_OF_SIGNAL, &phy->phy_events_pending); phy->error = 0; sas_deform_port(phy, 1); } @@ -48,8 +47,7 @@ static void sas_phye_oob_done(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PHYE_OOB_DONE, &phy->ha->event_lock, - &phy->phy_events_pending); + clear_bit(PHYE_OOB_DONE, &phy->phy_events_pending); phy->error = 0; } @@ -63,8 +61,7 @@ static void sas_phye_oob_error(struct work_struct *work) struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); - sas_begin_event(PHYE_OOB_ERROR, &phy->ha->event_lock, - &phy->phy_events_pending); + clear_bit(PHYE_OOB_ERROR, &phy->phy_events_pending); sas_deform_port(phy, 1); @@ -95,8 +92,7 @@ static void sas_phye_spinup_hold(struct work_struct *work) struct sas_internal *i = to_sas_internal(sas_ha->core.shost->transportt); - sas_begin_event(PHYE_SPINUP_HOLD, &phy->ha->event_lock, - &phy->phy_events_pending); + clear_bit(PHYE_SPINUP_HOLD, &phy->phy_events_pending); phy->error = 0; i->dft->lldd_control_phy(phy, PHY_FUNC_RELEASE_SPINUP_HOLD, NULL); diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c index 42fd1f25b66..eb19c016d50 100644 --- a/drivers/scsi/libsas/sas_port.c +++ b/drivers/scsi/libsas/sas_port.c @@ -104,13 +104,11 @@ static void sas_form_port(struct asd_sas_phy *phy) /* add the phy to the port */ list_add_tail(&phy->port_phy_el, &port->phy_list); + sas_phy_set_target(phy, port->port_dev); phy->port = port; port->num_phys++; port->phy_mask |= (1U << phy->id); - if (!port->phy) - port->phy = phy->phy; - if (*(u64 *)port->attached_sas_addr == 0) { port->class = phy->class; memcpy(port->attached_sas_addr, phy->attached_sas_addr, @@ -125,7 +123,7 @@ static void sas_form_port(struct asd_sas_phy *phy) spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags); if (!port->port) { - port->port = sas_port_alloc(phy->phy->dev.parent, port->id); + port->port = sas_port_alloc(phy->phy->dev.parent, phy->id); BUG_ON(!port->port); sas_port_add(port->port); } @@ -170,13 +168,13 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone) dev->pathways--; if (port->num_phys == 1) { - if (dev && gone) - dev->gone = 1; - sas_unregister_domain_devices(port); + sas_unregister_domain_devices(port, gone); sas_port_delete(port->port); port->port = NULL; - } else + } else { sas_port_delete_phy(port->port, phy->phy); + sas_device_set_phy(dev, port->port); + } if (si->dft->lldd_port_deformed) si->dft->lldd_port_deformed(phy); @@ -185,6 +183,7 @@ void sas_deform_port(struct asd_sas_phy *phy, int gone) spin_lock(&port->phy_list_lock); list_del_init(&phy->port_phy_el); + sas_phy_set_target(phy, NULL); phy->port = NULL; port->num_phys--; port->phy_mask &= ~(1U << phy->id); @@ -213,8 +212,7 @@ void sas_porte_bytes_dmaed(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PORTE_BYTES_DMAED, &phy->ha->event_lock, - &phy->port_events_pending); + clear_bit(PORTE_BYTES_DMAED, &phy->port_events_pending); sas_form_port(phy); } @@ -227,8 +225,7 @@ void sas_porte_broadcast_rcvd(struct work_struct *work) unsigned long flags; u32 prim; - sas_begin_event(PORTE_BROADCAST_RCVD, &phy->ha->event_lock, - &phy->port_events_pending); + clear_bit(PORTE_BROADCAST_RCVD, &phy->port_events_pending); spin_lock_irqsave(&phy->sas_prim_lock, flags); prim = phy->sas_prim; @@ -244,8 +241,7 @@ void sas_porte_link_reset_err(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PORTE_LINK_RESET_ERR, &phy->ha->event_lock, - &phy->port_events_pending); + clear_bit(PORTE_LINK_RESET_ERR, &phy->port_events_pending); sas_deform_port(phy, 1); } @@ -256,8 +252,7 @@ void sas_porte_timer_event(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PORTE_TIMER_EVENT, &phy->ha->event_lock, - &phy->port_events_pending); + clear_bit(PORTE_TIMER_EVENT, &phy->port_events_pending); sas_deform_port(phy, 1); } @@ -268,8 +263,7 @@ void sas_porte_hard_reset(struct work_struct *work) container_of(work, struct asd_sas_event, work); struct asd_sas_phy *phy = ev->phy; - sas_begin_event(PORTE_HARD_RESET, &phy->ha->event_lock, - &phy->port_events_pending); + clear_bit(PORTE_HARD_RESET, &phy->port_events_pending); sas_deform_port(phy, 1); } @@ -282,6 +276,8 @@ static void sas_init_port(struct asd_sas_port *port, memset(port, 0, sizeof(*port)); port->id = i; INIT_LIST_HEAD(&port->dev_list); + INIT_LIST_HEAD(&port->disco_list); + INIT_LIST_HEAD(&port->destroy_list); spin_lock_init(&port->phy_list_lock); INIT_LIST_HEAD(&port->phy_list); port->ha = sas_ha; diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c index b6e233d9a0a..f0b9b7bf188 100644 --- a/drivers/scsi/libsas/sas_scsi_host.c +++ b/drivers/scsi/libsas/sas_scsi_host.c @@ -49,27 +49,12 @@ #include <linux/scatterlist.h> #include <linux/libata.h> -/* ---------- SCSI Host glue ---------- */ - -static void sas_scsi_task_done(struct sas_task *task) +/* record final status and free the task */ +static void sas_end_task(struct scsi_cmnd *sc, struct sas_task *task) { struct task_status_struct *ts = &task->task_status; - struct scsi_cmnd *sc = task->uldd_task; int hs = 0, stat = 0; - if (unlikely(task->task_state_flags & SAS_TASK_STATE_ABORTED)) { - /* Aborted tasks will be completed by the error handler */ - SAS_DPRINTK("task done but aborted\n"); - return; - } - - if (unlikely(!sc)) { - SAS_DPRINTK("task_done called with non existing SCSI cmnd!\n"); - list_del_init(&task->list); - sas_free_task(task); - return; - } - if (ts->resp == SAS_TASK_UNDELIVERED) { /* transport error */ hs = DID_NO_CONNECT; @@ -124,10 +109,41 @@ static void sas_scsi_task_done(struct sas_task *task) break; } } - ASSIGN_SAS_TASK(sc, NULL); + sc->result = (hs << 16) | stat; + ASSIGN_SAS_TASK(sc, NULL); list_del_init(&task->list); sas_free_task(task); +} + +static void sas_scsi_task_done(struct sas_task *task) +{ + struct scsi_cmnd *sc = task->uldd_task; + struct domain_device *dev = task->dev; + struct sas_ha_struct *ha = dev->port->ha; + unsigned long flags; + + spin_lock_irqsave(&dev->done_lock, flags); + if (test_bit(SAS_HA_FROZEN, &ha->state)) + task = NULL; + else + ASSIGN_SAS_TASK(sc, NULL); + spin_unlock_irqrestore(&dev->done_lock, flags); + + if (unlikely(!task)) { + /* task will be completed by the error handler */ + SAS_DPRINTK("task done but aborted\n"); + return; + } + + if (unlikely(!sc)) { + SAS_DPRINTK("task_done called with non existing SCSI cmnd!\n"); + list_del_init(&task->list); + sas_free_task(task); + return; + } + + sas_end_task(sc, task); sc->scsi_done(sc); } @@ -192,17 +208,15 @@ int sas_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) int res = 0; /* If the device fell off, no sense in issuing commands */ - if (dev->gone) { + if (test_bit(SAS_DEV_GONE, &dev->state)) { cmd->result = DID_BAD_TARGET << 16; goto out_done; } if (dev_is_sata(dev)) { - unsigned long flags; - - spin_lock_irqsave(dev->sata_dev.ap->lock, flags); + spin_lock_irq(dev->sata_dev.ap->lock); res = ata_sas_queuecmd(cmd, dev->sata_dev.ap); - spin_unlock_irqrestore(dev->sata_dev.ap->lock, flags); + spin_unlock_irq(dev->sata_dev.ap->lock); return res; } @@ -235,24 +249,38 @@ out_done: static void sas_eh_finish_cmd(struct scsi_cmnd *cmd) { - struct sas_task *task = TO_SAS_TASK(cmd); struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(cmd->device->host); + struct sas_task *task = TO_SAS_TASK(cmd); + + /* At this point, we only get called following an actual abort + * of the task, so we should be guaranteed not to be racing with + * any completions from the LLD. Task is freed after this. + */ + sas_end_task(cmd, task); - /* remove the aborted task flag to allow the task to be - * completed now. At this point, we only get called following - * an actual abort of the task, so we should be guaranteed not - * to be racing with any completions from the LLD (hence we - * don't need the task state lock to clear the flag) */ - task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; - /* Now call task_done. However, task will be free'd after - * this */ - task->task_done(task); /* now finish the command and move it on to the error * handler done list, this also takes it off the - * error handler pending list */ + * error handler pending list. + */ scsi_eh_finish_cmd(cmd, &sas_ha->eh_done_q); } +static void sas_eh_defer_cmd(struct scsi_cmnd *cmd) +{ + struct domain_device *dev = cmd_to_domain_dev(cmd); + struct sas_ha_struct *ha = dev->port->ha; + struct sas_task *task = TO_SAS_TASK(cmd); + + if (!dev_is_sata(dev)) { + sas_eh_finish_cmd(cmd); + return; + } + + /* report the timeout to libata */ + sas_end_task(cmd, task); + list_move_tail(&cmd->eh_entry, &ha->eh_ata_q); +} + static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd *my_cmd) { struct scsi_cmnd *cmd, *n; @@ -260,7 +288,7 @@ static void sas_scsi_clear_queue_lu(struct list_head *error_q, struct scsi_cmnd list_for_each_entry_safe(cmd, n, error_q, eh_entry) { if (cmd->device->sdev_target == my_cmd->device->sdev_target && cmd->device->lun == my_cmd->device->lun) - sas_eh_finish_cmd(cmd); + sas_eh_defer_cmd(cmd); } } @@ -295,6 +323,7 @@ enum task_disposition { TASK_IS_DONE, TASK_IS_ABORTED, TASK_IS_AT_LU, + TASK_IS_NOT_AT_HA, TASK_IS_NOT_AT_LU, TASK_ABORT_FAILED, }; @@ -311,19 +340,18 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task) struct scsi_core *core = &ha->core; struct sas_task *t, *n; + mutex_lock(&core->task_queue_flush); spin_lock_irqsave(&core->task_queue_lock, flags); - list_for_each_entry_safe(t, n, &core->task_queue, list) { + list_for_each_entry_safe(t, n, &core->task_queue, list) if (task == t) { list_del_init(&t->list); - spin_unlock_irqrestore(&core->task_queue_lock, - flags); - SAS_DPRINTK("%s: task 0x%p aborted from " - "task_queue\n", - __func__, task); - return TASK_IS_ABORTED; + break; } - } spin_unlock_irqrestore(&core->task_queue_lock, flags); + mutex_unlock(&core->task_queue_flush); + + if (task == t) + return TASK_IS_NOT_AT_HA; } for (i = 0; i < 5; i++) { @@ -411,30 +439,26 @@ static int sas_recover_I_T(struct domain_device *dev) return res; } -/* Find the sas_phy that's attached to this device */ -struct sas_phy *sas_find_local_phy(struct domain_device *dev) +/* take a reference on the last known good phy for this device */ +struct sas_phy *sas_get_local_phy(struct domain_device *dev) { - struct domain_device *pdev = dev->parent; - struct ex_phy *exphy = NULL; - int i; + struct sas_ha_struct *ha = dev->port->ha; + struct sas_phy *phy; + unsigned long flags; - /* Directly attached device */ - if (!pdev) - return dev->port->phy; + /* a published domain device always has a valid phy, it may be + * stale, but it is never NULL + */ + BUG_ON(!dev->phy); - /* Otherwise look in the expander */ - for (i = 0; i < pdev->ex_dev.num_phys; i++) - if (!memcmp(dev->sas_addr, - pdev->ex_dev.ex_phy[i].attached_sas_addr, - SAS_ADDR_SIZE)) { - exphy = &pdev->ex_dev.ex_phy[i]; - break; - } + spin_lock_irqsave(&ha->phy_port_lock, flags); + phy = dev->phy; + get_device(&phy->dev); + spin_unlock_irqrestore(&ha->phy_port_lock, flags); - BUG_ON(!exphy); - return exphy->phy; + return phy; } -EXPORT_SYMBOL_GPL(sas_find_local_phy); +EXPORT_SYMBOL_GPL(sas_get_local_phy); /* Attempt to send a LUN reset message to a device */ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd) @@ -461,7 +485,7 @@ int sas_eh_device_reset_handler(struct scsi_cmnd *cmd) int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd) { struct domain_device *dev = cmd_to_domain_dev(cmd); - struct sas_phy *phy = sas_find_local_phy(dev); + struct sas_phy *phy = sas_get_local_phy(dev); int res; res = sas_phy_reset(phy, 1); @@ -469,6 +493,8 @@ int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd) SAS_DPRINTK("Bus reset of %s failed 0x%x\n", kobject_name(&phy->dev.kobj), res); + sas_put_local_phy(phy); + if (res == TMF_RESP_FUNC_SUCC || res == TMF_RESP_FUNC_COMPLETE) return SUCCESS; @@ -495,9 +521,7 @@ try_bus_reset: return FAILED; } -static int sas_eh_handle_sas_errors(struct Scsi_Host *shost, - struct list_head *work_q, - struct list_head *done_q) +static void sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct list_head *work_q) { struct scsi_cmnd *cmd, *n; enum task_disposition res = TASK_IS_DONE; @@ -505,13 +529,28 @@ static int sas_eh_handle_sas_errors(struct Scsi_Host *shost, struct sas_internal *i = to_sas_internal(shost->transportt); unsigned long flags; struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + LIST_HEAD(done); -Again: + /* clean out any commands that won the completion vs eh race */ list_for_each_entry_safe(cmd, n, work_q, eh_entry) { - struct sas_task *task = TO_SAS_TASK(cmd); + struct domain_device *dev = cmd_to_domain_dev(cmd); + struct sas_task *task; + + spin_lock_irqsave(&dev->done_lock, flags); + /* by this point the lldd has either observed + * SAS_HA_FROZEN and is leaving the task alone, or has + * won the race with eh and decided to complete it + */ + task = TO_SAS_TASK(cmd); + spin_unlock_irqrestore(&dev->done_lock, flags); if (!task) - continue; + list_move_tail(&cmd->eh_entry, &done); + } + + Again: + list_for_each_entry_safe(cmd, n, work_q, eh_entry) { + struct sas_task *task = TO_SAS_TASK(cmd); list_del_init(&cmd->eh_entry); @@ -531,15 +570,23 @@ Again: cmd->eh_eflags = 0; switch (res) { + case TASK_IS_NOT_AT_HA: + SAS_DPRINTK("%s: task 0x%p is not at ha: %s\n", + __func__, task, + cmd->retries ? "retry" : "aborted"); + if (cmd->retries) + cmd->retries--; + sas_eh_finish_cmd(cmd); + continue; case TASK_IS_DONE: SAS_DPRINTK("%s: task 0x%p is done\n", __func__, task); - sas_eh_finish_cmd(cmd); + sas_eh_defer_cmd(cmd); continue; case TASK_IS_ABORTED: SAS_DPRINTK("%s: task 0x%p is aborted\n", __func__, task); - sas_eh_finish_cmd(cmd); + sas_eh_defer_cmd(cmd); continue; case TASK_IS_AT_LU: SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task); @@ -550,7 +597,7 @@ Again: "recovered\n", SAS_ADDR(task->dev), cmd->device->lun); - sas_eh_finish_cmd(cmd); + sas_eh_defer_cmd(cmd); sas_scsi_clear_queue_lu(work_q, cmd); goto Again; } @@ -560,7 +607,8 @@ Again: SAS_DPRINTK("task 0x%p is not at LU: I_T recover\n", task); tmf_resp = sas_recover_I_T(task->dev); - if (tmf_resp == TMF_RESP_FUNC_COMPLETE) { + if (tmf_resp == TMF_RESP_FUNC_COMPLETE || + tmf_resp == -ENODEV) { struct domain_device *dev = task->dev; SAS_DPRINTK("I_T %016llx recovered\n", SAS_ADDR(task->dev->sas_addr)); @@ -607,13 +655,16 @@ Again: goto clear_q; } } - return list_empty(work_q); -clear_q: + out: + list_splice_tail(&done, work_q); + list_splice_tail_init(&ha->eh_ata_q, work_q); + return; + + clear_q: SAS_DPRINTK("--- Exit %s -- clear_q\n", __func__); list_for_each_entry_safe(cmd, n, work_q, eh_entry) sas_eh_finish_cmd(cmd); - - return list_empty(work_q); + goto out; } void sas_scsi_recover_host(struct Scsi_Host *shost) @@ -627,12 +678,17 @@ void sas_scsi_recover_host(struct Scsi_Host *shost) shost->host_eh_scheduled = 0; spin_unlock_irqrestore(shost->host_lock, flags); - SAS_DPRINTK("Enter %s\n", __func__); + SAS_DPRINTK("Enter %s busy: %d failed: %d\n", + __func__, shost->host_busy, shost->host_failed); /* * Deal with commands that still have SAS tasks (i.e. they didn't - * complete via the normal sas_task completion mechanism) + * complete via the normal sas_task completion mechanism), + * SAS_HA_FROZEN gives eh dominion over all sas_task completion. */ - if (sas_eh_handle_sas_errors(shost, &eh_work_q, &ha->eh_done_q)) + set_bit(SAS_HA_FROZEN, &ha->state); + sas_eh_handle_sas_errors(shost, &eh_work_q); + clear_bit(SAS_HA_FROZEN, &ha->state); + if (list_empty(&eh_work_q)) goto out; /* @@ -641,59 +697,26 @@ void sas_scsi_recover_host(struct Scsi_Host *shost) * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any * command we see here has no sas_task and is thus unknown to the HA. */ - if (!sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q)) - if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q)) - scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q); + sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q); + if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q)) + scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q); out: + if (ha->lldd_max_execute_num > 1) + wake_up_process(ha->core.queue_thread); + /* now link into libata eh --- if we have any ata devices */ sas_ata_strategy_handler(shost); scsi_eh_flush_done_q(&ha->eh_done_q); - SAS_DPRINTK("--- Exit %s\n", __func__); - return; + SAS_DPRINTK("--- Exit %s: busy: %d failed: %d\n", + __func__, shost->host_busy, shost->host_failed); } enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd) { - struct sas_task *task = TO_SAS_TASK(cmd); - unsigned long flags; - enum blk_eh_timer_return rtn; - - if (sas_ata_timed_out(cmd, task, &rtn)) - return rtn; - - if (!task) { - cmd->request->timeout /= 2; - SAS_DPRINTK("command 0x%p, task 0x%p, gone: %s\n", - cmd, task, (cmd->request->timeout ? - "BLK_EH_RESET_TIMER" : "BLK_EH_NOT_HANDLED")); - if (!cmd->request->timeout) - return BLK_EH_NOT_HANDLED; - return BLK_EH_RESET_TIMER; - } - - spin_lock_irqsave(&task->task_state_lock, flags); - BUG_ON(task->task_state_flags & SAS_TASK_STATE_ABORTED); - if (task->task_state_flags & SAS_TASK_STATE_DONE) { - spin_unlock_irqrestore(&task->task_state_lock, flags); - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: " - "BLK_EH_HANDLED\n", cmd, task); - return BLK_EH_HANDLED; - } - if (!(task->task_state_flags & SAS_TASK_AT_INITIATOR)) { - spin_unlock_irqrestore(&task->task_state_lock, flags); - SAS_DPRINTK("command 0x%p, task 0x%p, not at initiator: " - "BLK_EH_RESET_TIMER\n", - cmd, task); - return BLK_EH_RESET_TIMER; - } - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - spin_unlock_irqrestore(&task->task_state_lock, flags); - - SAS_DPRINTK("command 0x%p, task 0x%p, timed out: BLK_EH_NOT_HANDLED\n", - cmd, task); + scmd_printk(KERN_DEBUG, cmd, "command %p timed out\n", cmd); return BLK_EH_NOT_HANDLED; } @@ -737,27 +760,15 @@ struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy) return found_dev; } -static inline struct domain_device *sas_find_target(struct scsi_target *starget) -{ - struct sas_rphy *rphy = dev_to_rphy(starget->dev.parent); - - return sas_find_dev_by_rphy(rphy); -} - int sas_target_alloc(struct scsi_target *starget) { - struct domain_device *found_dev = sas_find_target(starget); - int res; + struct sas_rphy *rphy = dev_to_rphy(starget->dev.parent); + struct domain_device *found_dev = sas_find_dev_by_rphy(rphy); if (!found_dev) return -ENODEV; - if (dev_is_sata(found_dev)) { - res = sas_ata_init_host_and_port(found_dev, starget); - if (res) - return res; - } - + kref_get(&found_dev->kref); starget->hostdata = found_dev; return 0; } @@ -797,14 +808,6 @@ int sas_slave_configure(struct scsi_device *scsi_dev) return 0; } -void sas_slave_destroy(struct scsi_device *scsi_dev) -{ - struct domain_device *dev = sdev_to_domain_dev(scsi_dev); - - if (dev_is_sata(dev)) - sas_to_ata_dev(dev)->class = ATA_DEV_NONE; -} - int sas_change_queue_depth(struct scsi_device *sdev, int depth, int reason) { struct domain_device *dev = sdev_to_domain_dev(sdev); @@ -871,9 +874,11 @@ static void sas_queue(struct sas_ha_struct *sas_ha) int res; struct sas_internal *i = to_sas_internal(core->shost->transportt); + mutex_lock(&core->task_queue_flush); spin_lock_irqsave(&core->task_queue_lock, flags); while (!kthread_should_stop() && - !list_empty(&core->task_queue)) { + !list_empty(&core->task_queue) && + !test_bit(SAS_HA_FROZEN, &sas_ha->state)) { can_queue = sas_ha->lldd_queue_size - core->task_queue_size; if (can_queue >= 0) { @@ -909,6 +914,7 @@ static void sas_queue(struct sas_ha_struct *sas_ha) } } spin_unlock_irqrestore(&core->task_queue_lock, flags); + mutex_unlock(&core->task_queue_flush); } /** @@ -935,6 +941,7 @@ int sas_init_queue(struct sas_ha_struct *sas_ha) struct scsi_core *core = &sas_ha->core; spin_lock_init(&core->task_queue_lock); + mutex_init(&core->task_queue_flush); core->task_queue_size = 0; INIT_LIST_HEAD(&core->task_queue); @@ -972,49 +979,6 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha) } /* - * Call the LLDD task abort routine directly. This function is intended for - * use by upper layers that need to tell the LLDD to abort a task. - */ -int __sas_task_abort(struct sas_task *task) -{ - struct sas_internal *si = - to_sas_internal(task->dev->port->ha->core.shost->transportt); - unsigned long flags; - int res; - - spin_lock_irqsave(&task->task_state_lock, flags); - if (task->task_state_flags & SAS_TASK_STATE_ABORTED || - task->task_state_flags & SAS_TASK_STATE_DONE) { - spin_unlock_irqrestore(&task->task_state_lock, flags); - SAS_DPRINTK("%s: Task %p already finished.\n", __func__, - task); - return 0; - } - task->task_state_flags |= SAS_TASK_STATE_ABORTED; - spin_unlock_irqrestore(&task->task_state_lock, flags); - - if (!si->dft->lldd_abort_task) - return -ENODEV; - - res = si->dft->lldd_abort_task(task); - - spin_lock_irqsave(&task->task_state_lock, flags); - if ((task->task_state_flags & SAS_TASK_STATE_DONE) || - (res == TMF_RESP_FUNC_COMPLETE)) - { - spin_unlock_irqrestore(&task->task_state_lock, flags); - task->task_done(task); - return 0; - } - - if (!(task->task_state_flags & SAS_TASK_STATE_DONE)) - task->task_state_flags &= ~SAS_TASK_STATE_ABORTED; - spin_unlock_irqrestore(&task->task_state_lock, flags); - - return -EAGAIN; -} - -/* * Tell an upper layer that it needs to initiate an abort for a given task. * This should only ever be called by an LLDD. */ @@ -1043,27 +1007,15 @@ void sas_task_abort(struct sas_task *task) } } -int sas_slave_alloc(struct scsi_device *scsi_dev) -{ - struct domain_device *dev = sdev_to_domain_dev(scsi_dev); - - if (dev_is_sata(dev)) - return ata_sas_port_init(dev->sata_dev.ap); - - return 0; -} - void sas_target_destroy(struct scsi_target *starget) { - struct domain_device *found_dev = sas_find_target(starget); + struct domain_device *found_dev = starget->hostdata; if (!found_dev) return; - if (dev_is_sata(found_dev)) - ata_sas_port_destroy(found_dev->sata_dev.ap); - - return; + starget->hostdata = NULL; + sas_put_device(found_dev); } static void sas_parse_addr(u8 *sas_addr, const char *p) @@ -1108,16 +1060,12 @@ EXPORT_SYMBOL_GPL(sas_request_addr); EXPORT_SYMBOL_GPL(sas_queuecommand); EXPORT_SYMBOL_GPL(sas_target_alloc); EXPORT_SYMBOL_GPL(sas_slave_configure); -EXPORT_SYMBOL_GPL(sas_slave_destroy); EXPORT_SYMBOL_GPL(sas_change_queue_depth); EXPORT_SYMBOL_GPL(sas_change_queue_type); EXPORT_SYMBOL_GPL(sas_bios_param); -EXPORT_SYMBOL_GPL(__sas_task_abort); EXPORT_SYMBOL_GPL(sas_task_abort); EXPORT_SYMBOL_GPL(sas_phy_reset); -EXPORT_SYMBOL_GPL(sas_phy_enable); EXPORT_SYMBOL_GPL(sas_eh_device_reset_handler); EXPORT_SYMBOL_GPL(sas_eh_bus_reset_handler); -EXPORT_SYMBOL_GPL(sas_slave_alloc); EXPORT_SYMBOL_GPL(sas_target_destroy); EXPORT_SYMBOL_GPL(sas_ioctl); diff --git a/drivers/scsi/lpfc/Makefile b/drivers/scsi/lpfc/Makefile index 88928f00aa2..fe5d396aca7 100644 --- a/drivers/scsi/lpfc/Makefile +++ b/drivers/scsi/lpfc/Makefile @@ -1,7 +1,7 @@ #/******************************************************************* # * This file is part of the Emulex Linux Device Driver for * # * Fibre Channel Host Bus Adapters. * -# * Copyright (C) 2004-2011 Emulex. All rights reserved. * +# * Copyright (C) 2004-2012 Emulex. All rights reserved. * # * EMULEX and SLI are trademarks of Emulex. * # * www.emulex.com * # * * @@ -22,6 +22,8 @@ ccflags-$(GCOV) := -fprofile-arcs -ftest-coverage ccflags-$(GCOV) += -O0 +ccflags-y += -Werror + obj-$(CONFIG_SCSI_LPFC) := lpfc.o lpfc-objs := lpfc_mem.o lpfc_sli.o lpfc_ct.o lpfc_els.o lpfc_hbadisc.o \ diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h index 825f9307417..3a1ffdd6d83 100644 --- a/drivers/scsi/lpfc/lpfc.h +++ b/drivers/scsi/lpfc/lpfc.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -534,6 +534,7 @@ struct lpfc_hba { void (*lpfc_scsi_prep_cmnd) (struct lpfc_vport *, struct lpfc_scsi_buf *, struct lpfc_nodelist *); + /* IOCB interface function jump table entries */ int (*__lpfc_sli_issue_iocb) (struct lpfc_hba *, uint32_t, @@ -541,8 +542,6 @@ struct lpfc_hba { void (*__lpfc_sli_release_iocbq)(struct lpfc_hba *, struct lpfc_iocbq *); int (*lpfc_hba_down_post)(struct lpfc_hba *phba); - - IOCB_t * (*lpfc_get_iocb_from_iocbq) (struct lpfc_iocbq *); void (*lpfc_scsi_cmd_iocb_cmpl) @@ -551,10 +550,12 @@ struct lpfc_hba { /* MBOX interface function jump table entries */ int (*lpfc_sli_issue_mbox) (struct lpfc_hba *, LPFC_MBOXQ_t *, uint32_t); + /* Slow-path IOCB process function jump table entries */ void (*lpfc_sli_handle_slow_ring_event) (struct lpfc_hba *phba, struct lpfc_sli_ring *pring, uint32_t mask); + /* INIT device interface function jump table entries */ int (*lpfc_sli_hbq_to_firmware) (struct lpfc_hba *, uint32_t, struct hbq_dmabuf *); @@ -573,6 +574,10 @@ struct lpfc_hba { int (*lpfc_selective_reset) (struct lpfc_hba *); + int (*lpfc_bg_scsi_prep_dma_buf) + (struct lpfc_hba *, struct lpfc_scsi_buf *); + /* Add new entries here */ + /* SLI4 specific HBA data structure */ struct lpfc_sli4_hba sli4_hba; @@ -835,9 +840,12 @@ struct lpfc_hba { struct dentry *debug_dumpData; /* BlockGuard BPL */ struct dentry *debug_dumpDif; /* BlockGuard BPL */ struct dentry *debug_InjErrLBA; /* LBA to inject errors at */ + struct dentry *debug_InjErrNPortID; /* NPortID to inject errors at */ + struct dentry *debug_InjErrWWPN; /* WWPN to inject errors at */ struct dentry *debug_writeGuard; /* inject write guard_tag errors */ struct dentry *debug_writeApp; /* inject write app_tag errors */ struct dentry *debug_writeRef; /* inject write ref_tag errors */ + struct dentry *debug_readGuard; /* inject read guard_tag errors */ struct dentry *debug_readApp; /* inject read app_tag errors */ struct dentry *debug_readRef; /* inject read ref_tag errors */ @@ -845,10 +853,13 @@ struct lpfc_hba { uint32_t lpfc_injerr_wgrd_cnt; uint32_t lpfc_injerr_wapp_cnt; uint32_t lpfc_injerr_wref_cnt; + uint32_t lpfc_injerr_rgrd_cnt; uint32_t lpfc_injerr_rapp_cnt; uint32_t lpfc_injerr_rref_cnt; + uint32_t lpfc_injerr_nportid; + struct lpfc_name lpfc_injerr_wwpn; sector_t lpfc_injerr_lba; -#define LPFC_INJERR_LBA_OFF (sector_t)0xffffffffffffffff +#define LPFC_INJERR_LBA_OFF (sector_t)(-1) struct dentry *debug_slow_ring_trc; struct lpfc_debugfs_trc *slow_ring_trc; @@ -901,6 +912,8 @@ struct lpfc_hba { atomic_t fast_event_count; uint32_t fcoe_eventtag; uint32_t fcoe_eventtag_at_fcf_scan; + uint32_t fcoe_cvl_eventtag; + uint32_t fcoe_cvl_eventtag_attn; struct lpfc_fcf fcf; uint8_t fc_map[3]; uint8_t valid_vlan; diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c index f6697cb0e21..5eb2bc11618 100644 --- a/drivers/scsi/lpfc/lpfc_attr.c +++ b/drivers/scsi/lpfc/lpfc_attr.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -353,7 +353,7 @@ lpfc_fwrev_show(struct device *dev, struct device_attribute *attr, struct lpfc_hba *phba = vport->phba; uint32_t if_type; uint8_t sli_family; - char fwrev[32]; + char fwrev[FW_REV_STR_SIZE]; int len; lpfc_decode_firmware_rev(phba, fwrev, 1); @@ -922,11 +922,15 @@ lpfc_sli4_pdev_reg_request(struct lpfc_hba *phba, uint32_t opcode) rc = lpfc_sli4_pdev_status_reg_wait(phba); if (rc == -EPERM) { - /* no privilage for reset, restore if needed */ - if (before_fc_flag & FC_OFFLINE_MODE) - goto out; + /* no privilage for reset */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3150 No privilage to perform the requested " + "access: x%x\n", reg_val); } else if (rc == -EIO) { /* reset failed, there is nothing more we can do */ + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3153 Fail to perform the requested " + "access: x%x\n", reg_val); return rc; } @@ -2571,7 +2575,7 @@ LPFC_VPORT_ATTR_HEX_RW(log_verbose, 0x0, 0x0, 0xffffffff, # lpfc_enable_da_id: This turns on the DA_ID CT command that deregisters # objects that have been registered with the nameserver after login. */ -LPFC_VPORT_ATTR_R(enable_da_id, 0, 0, 1, +LPFC_VPORT_ATTR_R(enable_da_id, 1, 0, 1, "Deregister nameserver objects before LOGO"); /* diff --git a/drivers/scsi/lpfc/lpfc_bsg.c b/drivers/scsi/lpfc/lpfc_bsg.c index 56a86baece5..141e4b40bb5 100644 --- a/drivers/scsi/lpfc/lpfc_bsg.c +++ b/drivers/scsi/lpfc/lpfc_bsg.c @@ -589,7 +589,10 @@ lpfc_bsg_rport_els(struct fc_bsg_job *job) } cmdiocbq->iocb.un.elsreq64.bdl.bdeSize = (request_nseg + reply_nseg) * sizeof(struct ulp_bde64); - cmdiocbq->iocb.ulpContext = rpi; + if (phba->sli_rev == LPFC_SLI_REV4) + cmdiocbq->iocb.ulpContext = phba->sli4_hba.rpi_ids[rpi]; + else + cmdiocbq->iocb.ulpContext = rpi; cmdiocbq->iocb_flag |= LPFC_IO_LIBDFC; cmdiocbq->context1 = NULL; cmdiocbq->context2 = NULL; @@ -1768,7 +1771,7 @@ lpfc_sli4_bsg_set_internal_loopback(struct lpfc_hba *phba) bf_set(lpfc_mbx_set_diag_state_link_type, &link_diag_loopback->u.req, phba->sli4_hba.lnk_info.lnk_tp); bf_set(lpfc_mbx_set_diag_lpbk_type, &link_diag_loopback->u.req, - LPFC_DIAG_LOOPBACK_TYPE_SERDES); + LPFC_DIAG_LOOPBACK_TYPE_INTERNAL); mbxstatus = lpfc_sli_issue_mbox_wait(phba, pmboxq, LPFC_MBOX_TMO); if ((mbxstatus != MBX_SUCCESS) || (pmboxq->u.mb.mbxStatus)) { @@ -3977,7 +3980,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, case COMN_OPCODE_GET_CNTL_ADDL_ATTRIBUTES: lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3106 Handled SLI_CONFIG " - "subsys_fcoe, opcode:x%x\n", + "subsys_comn, opcode:x%x\n", opcode); rc = lpfc_bsg_sli_cfg_read_cmd_ext(phba, job, nemb_mse, dmabuf); @@ -3985,7 +3988,7 @@ lpfc_bsg_handle_sli_cfg_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, default: lpfc_printf_log(phba, KERN_INFO, LOG_LIBDFC, "3107 Reject SLI_CONFIG " - "subsys_fcoe, opcode:x%x\n", + "subsys_comn, opcode:x%x\n", opcode); rc = -EPERM; break; @@ -4556,7 +4559,12 @@ lpfc_bsg_issue_mbox(struct lpfc_hba *phba, struct fc_bsg_job *job, + sizeof(MAILBOX_t)); } } else if (phba->sli_rev == LPFC_SLI_REV4) { - if (pmb->mbxCommand == MBX_DUMP_MEMORY) { + /* Let type 4 (well known data) through because the data is + * returned in varwords[4-8] + * otherwise check the recieve length and fetch the buffer addr + */ + if ((pmb->mbxCommand == MBX_DUMP_MEMORY) && + (pmb->un.varDmp.type != DMP_WELL_KNOWN)) { /* rebuild the command for sli4 using our own buffers * like we do for biu diags */ diff --git a/drivers/scsi/lpfc/lpfc_crtn.h b/drivers/scsi/lpfc/lpfc_crtn.h index 26924b7a6cd..330dd7192a7 100644 --- a/drivers/scsi/lpfc/lpfc_crtn.h +++ b/drivers/scsi/lpfc/lpfc_crtn.h @@ -462,3 +462,4 @@ int lpfc_issue_unreg_vfi(struct lpfc_vport *); int lpfc_selective_reset(struct lpfc_hba *); int lpfc_sli4_read_config(struct lpfc_hba *phba); int lpfc_scsi_buf_update(struct lpfc_hba *phba); +void lpfc_sli4_node_prep(struct lpfc_hba *phba); diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c index 707081d0a22..93e96b3c909 100644 --- a/drivers/scsi/lpfc/lpfc_ct.c +++ b/drivers/scsi/lpfc/lpfc_ct.c @@ -1076,7 +1076,7 @@ int lpfc_vport_symbolic_node_name(struct lpfc_vport *vport, char *symbol, size_t size) { - char fwrev[16]; + char fwrev[FW_REV_STR_SIZE]; int n; lpfc_decode_firmware_rev(vport->phba, fwrev, 0); @@ -1834,7 +1834,7 @@ lpfc_decode_firmware_rev(struct lpfc_hba *phba, char *fwrevision, int flag) uint8_t *fwname; if (phba->sli_rev == LPFC_SLI_REV4) - sprintf(fwrevision, "%s", vp->rev.opFwName); + snprintf(fwrevision, FW_REV_STR_SIZE, "%s", vp->rev.opFwName); else if (vp->rev.rBit) { if (psli->sli_flag & LPFC_SLI_ACTIVE) rev = vp->rev.sli2FwRev; diff --git a/drivers/scsi/lpfc/lpfc_debugfs.c b/drivers/scsi/lpfc/lpfc_debugfs.c index 3587a3fe8fc..af04b0d6688 100644 --- a/drivers/scsi/lpfc/lpfc_debugfs.c +++ b/drivers/scsi/lpfc/lpfc_debugfs.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2007-2011 Emulex. All rights reserved. * + * Copyright (C) 2007-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -997,36 +997,41 @@ lpfc_debugfs_dumpDataDif_write(struct file *file, const char __user *buf, return nbytes; } -static int -lpfc_debugfs_dif_err_open(struct inode *inode, struct file *file) -{ - file->private_data = inode->i_private; - return 0; -} - static ssize_t lpfc_debugfs_dif_err_read(struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { struct dentry *dent = file->f_dentry; struct lpfc_hba *phba = file->private_data; - char cbuf[16]; + char cbuf[32]; + uint64_t tmp = 0; int cnt = 0; if (dent == phba->debug_writeGuard) - cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wgrd_cnt); + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wgrd_cnt); else if (dent == phba->debug_writeApp) - cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wapp_cnt); + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wapp_cnt); else if (dent == phba->debug_writeRef) - cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_wref_cnt); + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_wref_cnt); + else if (dent == phba->debug_readGuard) + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rgrd_cnt); else if (dent == phba->debug_readApp) - cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rapp_cnt); + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rapp_cnt); else if (dent == phba->debug_readRef) - cnt = snprintf(cbuf, 16, "%u\n", phba->lpfc_injerr_rref_cnt); - else if (dent == phba->debug_InjErrLBA) - cnt = snprintf(cbuf, 16, "0x%lx\n", - (unsigned long) phba->lpfc_injerr_lba); - else + cnt = snprintf(cbuf, 32, "%u\n", phba->lpfc_injerr_rref_cnt); + else if (dent == phba->debug_InjErrNPortID) + cnt = snprintf(cbuf, 32, "0x%06x\n", phba->lpfc_injerr_nportid); + else if (dent == phba->debug_InjErrWWPN) { + memcpy(&tmp, &phba->lpfc_injerr_wwpn, sizeof(struct lpfc_name)); + tmp = cpu_to_be64(tmp); + cnt = snprintf(cbuf, 32, "0x%016llx\n", tmp); + } else if (dent == phba->debug_InjErrLBA) { + if (phba->lpfc_injerr_lba == (sector_t)(-1)) + cnt = snprintf(cbuf, 32, "off\n"); + else + cnt = snprintf(cbuf, 32, "0x%llx\n", + (uint64_t) phba->lpfc_injerr_lba); + } else lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0547 Unknown debugfs error injection entry\n"); @@ -1040,7 +1045,7 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, struct dentry *dent = file->f_dentry; struct lpfc_hba *phba = file->private_data; char dstbuf[32]; - unsigned long tmp; + uint64_t tmp = 0; int size; memset(dstbuf, 0, 32); @@ -1048,7 +1053,12 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, if (copy_from_user(dstbuf, buf, size)) return 0; - if (strict_strtoul(dstbuf, 0, &tmp)) + if (dent == phba->debug_InjErrLBA) { + if ((buf[0] == 'o') && (buf[1] == 'f') && (buf[2] == 'f')) + tmp = (uint64_t)(-1); + } + + if ((tmp == 0) && (kstrtoull(dstbuf, 0, &tmp))) return 0; if (dent == phba->debug_writeGuard) @@ -1057,13 +1067,20 @@ lpfc_debugfs_dif_err_write(struct file *file, const char __user *buf, phba->lpfc_injerr_wapp_cnt = (uint32_t)tmp; else if (dent == phba->debug_writeRef) phba->lpfc_injerr_wref_cnt = (uint32_t)tmp; + else if (dent == phba->debug_readGuard) + phba->lpfc_injerr_rgrd_cnt = (uint32_t)tmp; else if (dent == phba->debug_readApp) phba->lpfc_injerr_rapp_cnt = (uint32_t)tmp; else if (dent == phba->debug_readRef) phba->lpfc_injerr_rref_cnt = (uint32_t)tmp; else if (dent == phba->debug_InjErrLBA) phba->lpfc_injerr_lba = (sector_t)tmp; - else + else if (dent == phba->debug_InjErrNPortID) + phba->lpfc_injerr_nportid = (uint32_t)(tmp & Mask_DID); + else if (dent == phba->debug_InjErrWWPN) { + tmp = cpu_to_be64(tmp); + memcpy(&phba->lpfc_injerr_wwpn, &tmp, sizeof(struct lpfc_name)); + } else lpfc_printf_log(phba, KERN_ERR, LOG_INIT, "0548 Unknown debugfs error injection entry\n"); @@ -3517,7 +3534,7 @@ static const struct file_operations lpfc_debugfs_op_dumpDif = { #undef lpfc_debugfs_op_dif_err static const struct file_operations lpfc_debugfs_op_dif_err = { .owner = THIS_MODULE, - .open = lpfc_debugfs_dif_err_open, + .open = simple_open, .llseek = lpfc_debugfs_lseek, .read = lpfc_debugfs_dif_err_read, .write = lpfc_debugfs_dif_err_write, @@ -3945,6 +3962,28 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) } phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; + snprintf(name, sizeof(name), "InjErrNPortID"); + phba->debug_InjErrNPortID = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dif_err); + if (!phba->debug_InjErrNPortID) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0809 Cannot create debugfs InjErrNPortID\n"); + goto debug_failed; + } + + snprintf(name, sizeof(name), "InjErrWWPN"); + phba->debug_InjErrWWPN = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dif_err); + if (!phba->debug_InjErrWWPN) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0810 Cannot create debugfs InjErrWWPN\n"); + goto debug_failed; + } + snprintf(name, sizeof(name), "writeGuardInjErr"); phba->debug_writeGuard = debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, @@ -3978,6 +4017,17 @@ lpfc_debugfs_initialize(struct lpfc_vport *vport) goto debug_failed; } + snprintf(name, sizeof(name), "readGuardInjErr"); + phba->debug_readGuard = + debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, + phba->hba_debugfs_root, + phba, &lpfc_debugfs_op_dif_err); + if (!phba->debug_readGuard) { + lpfc_printf_vlog(vport, KERN_ERR, LOG_INIT, + "0808 Cannot create debugfs readGuard\n"); + goto debug_failed; + } + snprintf(name, sizeof(name), "readAppInjErr"); phba->debug_readApp = debugfs_create_file(name, S_IFREG|S_IRUGO|S_IWUSR, @@ -4306,6 +4356,14 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) debugfs_remove(phba->debug_InjErrLBA); /* InjErrLBA */ phba->debug_InjErrLBA = NULL; } + if (phba->debug_InjErrNPortID) { /* InjErrNPortID */ + debugfs_remove(phba->debug_InjErrNPortID); + phba->debug_InjErrNPortID = NULL; + } + if (phba->debug_InjErrWWPN) { + debugfs_remove(phba->debug_InjErrWWPN); /* InjErrWWPN */ + phba->debug_InjErrWWPN = NULL; + } if (phba->debug_writeGuard) { debugfs_remove(phba->debug_writeGuard); /* writeGuard */ phba->debug_writeGuard = NULL; @@ -4318,6 +4376,10 @@ lpfc_debugfs_terminate(struct lpfc_vport *vport) debugfs_remove(phba->debug_writeRef); /* writeRef */ phba->debug_writeRef = NULL; } + if (phba->debug_readGuard) { + debugfs_remove(phba->debug_readGuard); /* readGuard */ + phba->debug_readGuard = NULL; + } if (phba->debug_readApp) { debugfs_remove(phba->debug_readApp); /* readApp */ phba->debug_readApp = NULL; diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c index 7afc757338d..3407b39e0a3 100644 --- a/drivers/scsi/lpfc/lpfc_els.c +++ b/drivers/scsi/lpfc/lpfc_els.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -925,9 +925,17 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, * due to new FCF discovery */ if ((phba->hba_flag & HBA_FIP_SUPPORT) && - (phba->fcf.fcf_flag & FCF_DISCOVERY) && - !((irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && - (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED))) { + (phba->fcf.fcf_flag & FCF_DISCOVERY)) { + if (phba->link_state < LPFC_LINK_UP) + goto stop_rr_fcf_flogi; + if ((phba->fcoe_cvl_eventtag_attn == + phba->fcoe_cvl_eventtag) && + (irsp->ulpStatus == IOSTAT_LOCAL_REJECT) && + (irsp->un.ulpWord[4] == IOERR_SLI_ABORTED)) + goto stop_rr_fcf_flogi; + else + phba->fcoe_cvl_eventtag_attn = + phba->fcoe_cvl_eventtag; lpfc_printf_log(phba, KERN_WARNING, LOG_FIP | LOG_ELS, "2611 FLOGI failed on FCF (x%x), " "status:x%x/x%x, tmo:x%x, perform " @@ -943,6 +951,7 @@ lpfc_cmpl_els_flogi(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; } +stop_rr_fcf_flogi: /* FLOGI failure */ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, "2858 FLOGI failure Status:x%x/x%x TMO:x%x\n", @@ -1526,7 +1535,6 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, memcpy(&ndlp->active_rrqs.xri_bitmap, &rrq.xri_bitmap, sizeof(ndlp->active_rrqs.xri_bitmap)); - lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); /* Since we are swapping the ndlp passed in with the new one * and the did has already been swapped, copy over the * state and names. @@ -1536,6 +1544,7 @@ lpfc_plogi_confirm_nport(struct lpfc_hba *phba, uint32_t *prsp, memcpy(&new_ndlp->nlp_nodename, &ndlp->nlp_nodename, sizeof(struct lpfc_name)); new_ndlp->nlp_state = ndlp->nlp_state; + lpfc_nlp_set_state(vport, ndlp, NLP_STE_NPR_NODE); /* Fix up the rport accordingly */ rport = ndlp->rport; if (rport) { @@ -7172,7 +7181,7 @@ lpfc_cmpl_els_fdisc(struct lpfc_hba *phba, struct lpfc_iocbq *cmdiocb, goto out; /* FDISC failed */ lpfc_printf_vlog(vport, KERN_ERR, LOG_ELS, - "0126 FDISC failed. (%d/%d)\n", + "0126 FDISC failed. (x%x/x%x)\n", irsp->ulpStatus, irsp->un.ulpWord[4]); goto fdisc_failed; } @@ -7283,6 +7292,7 @@ lpfc_issue_els_fdisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, int rc; vport->port_state = LPFC_FDISC; + vport->fc_myDID = 0; cmdsize = (sizeof(uint32_t) + sizeof(struct serv_parm)); elsiocb = lpfc_prep_els_iocb(vport, 1, cmdsize, retry, ndlp, did, ELS_CMD_FDISC); diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c index 678a4b11059..b507536dc5b 100644 --- a/drivers/scsi/lpfc/lpfc_hbadisc.c +++ b/drivers/scsi/lpfc/lpfc_hbadisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -2843,7 +2843,14 @@ lpfc_mbx_cmpl_reg_vfi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) struct lpfc_vport *vport = mboxq->vport; struct Scsi_Host *shost = lpfc_shost_from_vport(vport); - if (mboxq->u.mb.mbxStatus) { + /* + * VFI not supported for interface type 0, so ignore any mailbox + * error (except VFI in use) and continue with the discovery. + */ + if (mboxq->u.mb.mbxStatus && + (bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf) != + LPFC_SLI_INTF_IF_TYPE_0) && + mboxq->u.mb.mbxStatus != MBX_VFI_IN_USE) { lpfc_printf_vlog(vport, KERN_ERR, LOG_MBOX, "2018 REG_VFI mbxStatus error x%x " "HBA state x%x\n", @@ -2977,9 +2984,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) "topology\n"); /* Get Loop Map information */ if (bf_get(lpfc_mbx_read_top_il, la)) { - spin_lock_irq(shost->host_lock); + spin_lock(shost->host_lock); vport->fc_flag |= FC_LBIT; - spin_unlock_irq(shost->host_lock); + spin_unlock(shost->host_lock); } vport->fc_myDID = bf_get(lpfc_mbx_read_top_alpa_granted, la); @@ -3029,9 +3036,9 @@ lpfc_mbx_process_link_up(struct lpfc_hba *phba, struct lpfc_mbx_read_top *la) phba->sli3_options |= LPFC_SLI3_NPIV_ENABLED; } vport->fc_myDID = phba->fc_pref_DID; - spin_lock_irq(shost->host_lock); + spin_lock(shost->host_lock); vport->fc_flag |= FC_LBIT; - spin_unlock_irq(shost->host_lock); + spin_unlock(shost->host_lock); } spin_unlock_irq(&phba->hbalock); @@ -5332,6 +5339,10 @@ lpfc_filter_by_rpi(struct lpfc_nodelist *ndlp, void *param) { uint16_t *rpi = param; + /* check for active node */ + if (!NLP_CHK_NODE_ACT(ndlp)) + return 0; + return ndlp->nlp_rpi == *rpi; } @@ -5669,14 +5680,13 @@ lpfc_fcf_inuse(struct lpfc_hba *phba) ret = 1; spin_unlock_irq(shost->host_lock); goto out; - } else { + } else if (ndlp->nlp_flag & NLP_RPI_REGISTERED) { + ret = 1; lpfc_printf_log(phba, KERN_INFO, LOG_ELS, - "2624 RPI %x DID %x flg %x still " - "logged in\n", - ndlp->nlp_rpi, ndlp->nlp_DID, - ndlp->nlp_flag); - if (ndlp->nlp_flag & NLP_RPI_REGISTERED) - ret = 1; + "2624 RPI %x DID %x flag %x " + "still logged in\n", + ndlp->nlp_rpi, ndlp->nlp_DID, + ndlp->nlp_flag); } } spin_unlock_irq(shost->host_lock); diff --git a/drivers/scsi/lpfc/lpfc_hw.h b/drivers/scsi/lpfc/lpfc_hw.h index 7245bead375..5f280b5ae3d 100644 --- a/drivers/scsi/lpfc/lpfc_hw.h +++ b/drivers/scsi/lpfc/lpfc_hw.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2010 Emulex. All rights reserved. * + * Copyright (C) 2004-2011 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -70,6 +70,7 @@ /* vendor ID used in SCSI netlink calls */ #define LPFC_NL_VENDOR_ID (SCSI_NL_VID_TYPE_PCI | PCI_VENDOR_ID_EMULEX) +#define FW_REV_STR_SIZE 32 /* Common Transport structures and definitions */ union CtRevisionId { @@ -2567,6 +2568,8 @@ typedef struct { #define DMP_MEM_REG 0x1 #define DMP_NV_PARAMS 0x2 +#define DMP_LMSD 0x3 /* Link Module Serial Data */ +#define DMP_WELL_KNOWN 0x4 #define DMP_REGION_VPD 0xe #define DMP_VPD_SIZE 0x400 /* maximum amount of VPD */ diff --git a/drivers/scsi/lpfc/lpfc_hw4.h b/drivers/scsi/lpfc/lpfc_hw4.h index e5bfa7f334e..91f09761bd3 100644 --- a/drivers/scsi/lpfc/lpfc_hw4.h +++ b/drivers/scsi/lpfc/lpfc_hw4.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2009 Emulex. All rights reserved. * + * Copyright (C) 2009-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -321,6 +321,10 @@ struct lpfc_cqe { #define CQE_STATUS_CMD_REJECT 0xb #define CQE_STATUS_FCP_TGT_LENCHECK 0xc #define CQE_STATUS_NEED_BUFF_ENTRY 0xf +#define CQE_STATUS_DI_ERROR 0x16 + +/* Used when mapping CQE status to IOCB */ +#define LPFC_IOCB_STATUS_MASK 0xf /* Status returned by hardware (valid only if status = CQE_STATUS_SUCCESS). */ #define CQE_HW_STATUS_NO_ERR 0x0 @@ -334,6 +338,12 @@ struct lpfc_cqe { #define CQE_CODE_XRI_ABORTED 0x5 #define CQE_CODE_RECEIVE_V1 0x9 +/* + * Define mask value for xri_aborted and wcqe completed CQE extended status. + * Currently, extended status is limited to 9 bits (0x0 -> 0x103) . + */ +#define WCQE_PARAM_MASK 0x1FF; + /* completion queue entry for wqe completions */ struct lpfc_wcqe_complete { uint32_t word0; @@ -348,6 +358,21 @@ struct lpfc_wcqe_complete { #define lpfc_wcqe_c_hw_status_WORD word0 uint32_t total_data_placed; uint32_t parameter; +#define lpfc_wcqe_c_bg_edir_SHIFT 5 +#define lpfc_wcqe_c_bg_edir_MASK 0x00000001 +#define lpfc_wcqe_c_bg_edir_WORD parameter +#define lpfc_wcqe_c_bg_tdpv_SHIFT 3 +#define lpfc_wcqe_c_bg_tdpv_MASK 0x00000001 +#define lpfc_wcqe_c_bg_tdpv_WORD parameter +#define lpfc_wcqe_c_bg_re_SHIFT 2 +#define lpfc_wcqe_c_bg_re_MASK 0x00000001 +#define lpfc_wcqe_c_bg_re_WORD parameter +#define lpfc_wcqe_c_bg_ae_SHIFT 1 +#define lpfc_wcqe_c_bg_ae_MASK 0x00000001 +#define lpfc_wcqe_c_bg_ae_WORD parameter +#define lpfc_wcqe_c_bg_ge_SHIFT 0 +#define lpfc_wcqe_c_bg_ge_MASK 0x00000001 +#define lpfc_wcqe_c_bg_ge_WORD parameter uint32_t word3; #define lpfc_wcqe_c_valid_SHIFT lpfc_cqe_valid_SHIFT #define lpfc_wcqe_c_valid_MASK lpfc_cqe_valid_MASK @@ -359,8 +384,8 @@ struct lpfc_wcqe_complete { #define lpfc_wcqe_c_pv_MASK 0x00000001 #define lpfc_wcqe_c_pv_WORD word3 #define lpfc_wcqe_c_priority_SHIFT 24 -#define lpfc_wcqe_c_priority_MASK 0x00000007 -#define lpfc_wcqe_c_priority_WORD word3 +#define lpfc_wcqe_c_priority_MASK 0x00000007 +#define lpfc_wcqe_c_priority_WORD word3 #define lpfc_wcqe_c_code_SHIFT lpfc_cqe_code_SHIFT #define lpfc_wcqe_c_code_MASK lpfc_cqe_code_MASK #define lpfc_wcqe_c_code_WORD lpfc_cqe_code_WORD @@ -715,12 +740,20 @@ struct lpfc_register { #define lpfc_eqcq_doorbell_eqci_SHIFT 9 #define lpfc_eqcq_doorbell_eqci_MASK 0x0001 #define lpfc_eqcq_doorbell_eqci_WORD word0 -#define lpfc_eqcq_doorbell_cqid_SHIFT 0 -#define lpfc_eqcq_doorbell_cqid_MASK 0x03FF -#define lpfc_eqcq_doorbell_cqid_WORD word0 -#define lpfc_eqcq_doorbell_eqid_SHIFT 0 -#define lpfc_eqcq_doorbell_eqid_MASK 0x01FF -#define lpfc_eqcq_doorbell_eqid_WORD word0 +#define lpfc_eqcq_doorbell_cqid_lo_SHIFT 0 +#define lpfc_eqcq_doorbell_cqid_lo_MASK 0x03FF +#define lpfc_eqcq_doorbell_cqid_lo_WORD word0 +#define lpfc_eqcq_doorbell_cqid_hi_SHIFT 11 +#define lpfc_eqcq_doorbell_cqid_hi_MASK 0x001F +#define lpfc_eqcq_doorbell_cqid_hi_WORD word0 +#define lpfc_eqcq_doorbell_eqid_lo_SHIFT 0 +#define lpfc_eqcq_doorbell_eqid_lo_MASK 0x01FF +#define lpfc_eqcq_doorbell_eqid_lo_WORD word0 +#define lpfc_eqcq_doorbell_eqid_hi_SHIFT 11 +#define lpfc_eqcq_doorbell_eqid_hi_MASK 0x001F +#define lpfc_eqcq_doorbell_eqid_hi_WORD word0 +#define LPFC_CQID_HI_FIELD_SHIFT 10 +#define LPFC_EQID_HI_FIELD_SHIFT 9 #define LPFC_BMBX 0x0160 #define lpfc_bmbx_addr_SHIFT 2 @@ -3313,7 +3346,11 @@ struct xmit_bls_rsp64_wqe { uint32_t rsrvd4; struct wqe_did wqe_dest; struct wqe_common wqe_com; /* words 6-11 */ - uint32_t rsvd_12_15[4]; + uint32_t word12; +#define xmit_bls_rsp64_temprpi_SHIFT 0 +#define xmit_bls_rsp64_temprpi_MASK 0x0000ffff +#define xmit_bls_rsp64_temprpi_WORD word12 + uint32_t rsvd_13_15[3]; }; struct wqe_rctl_dfctl { diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c index dfea2dada02..9598fdcb08a 100644 --- a/drivers/scsi/lpfc/lpfc_init.c +++ b/drivers/scsi/lpfc/lpfc_init.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -32,6 +32,7 @@ #include <linux/aer.h> #include <linux/slab.h> #include <linux/firmware.h> +#include <linux/miscdevice.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -1474,8 +1475,12 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) phba->sli4_hba.u.if_type2.STATUSregaddr, &portstat_reg.word0); /* consider PCI bus read error as pci_channel_offline */ - if (pci_rd_rc1 == -EIO) + if (pci_rd_rc1 == -EIO) { + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3151 PCI bus read access failure: x%x\n", + readl(phba->sli4_hba.u.if_type2.STATUSregaddr)); return; + } reg_err1 = readl(phba->sli4_hba.u.if_type2.ERR1regaddr); reg_err2 = readl(phba->sli4_hba.u.if_type2.ERR2regaddr); if (bf_get(lpfc_sliport_status_oti, &portstat_reg)) { @@ -1525,6 +1530,9 @@ lpfc_handle_eratt_s4(struct lpfc_hba *phba) } /* fall through for not able to recover */ } + lpfc_printf_log(phba, KERN_ERR, LOG_INIT, + "3152 Unrecoverable error, bring the port " + "offline\n"); lpfc_sli4_offline_eratt(phba); break; case LPFC_SLI_INTF_IF_TYPE_1: @@ -2333,13 +2341,20 @@ lpfc_cleanup(struct lpfc_vport *vport) continue; } + /* take care of nodes in unused state before the state + * machine taking action. + */ + if (ndlp->nlp_state == NLP_STE_UNUSED_NODE) { + lpfc_nlp_put(ndlp); + continue; + } + if (ndlp->nlp_type & NLP_FABRIC) lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RECOVERY); lpfc_disc_state_machine(vport, ndlp, NULL, NLP_EVT_DEVICE_RM); - } /* At this point, ALL ndlp's should be gone @@ -2513,6 +2528,42 @@ lpfc_block_mgmt_io(struct lpfc_hba * phba) } /** + * lpfc_sli4_node_prep - Assign RPIs for active nodes. + * @phba: pointer to lpfc hba data structure. + * + * Allocate RPIs for all active remote nodes. This is needed whenever + * an SLI4 adapter is reset and the driver is not unloading. Its purpose + * is to fixup the temporary rpi assignments. + **/ +void +lpfc_sli4_node_prep(struct lpfc_hba *phba) +{ + struct lpfc_nodelist *ndlp, *next_ndlp; + struct lpfc_vport **vports; + int i; + + if (phba->sli_rev != LPFC_SLI_REV4) + return; + + vports = lpfc_create_vport_work_array(phba); + if (vports != NULL) { + for (i = 0; i <= phba->max_vports && vports[i] != NULL; i++) { + if (vports[i]->load_flag & FC_UNLOADING) + continue; + + list_for_each_entry_safe(ndlp, next_ndlp, + &vports[i]->fc_nodes, + nlp_listp) { + if (NLP_CHK_NODE_ACT(ndlp)) + ndlp->nlp_rpi = + lpfc_sli4_alloc_rpi(phba); + } + } + } + lpfc_destroy_vport_work_array(phba, vports); +} + +/** * lpfc_online - Initialize and bring a HBA online * @phba: pointer to lpfc hba data structure. * @@ -2654,6 +2705,13 @@ lpfc_offline_prep(struct lpfc_hba * phba) spin_lock_irq(shost->host_lock); ndlp->nlp_flag &= ~NLP_NPR_ADISC; spin_unlock_irq(shost->host_lock); + /* + * Whenever an SLI4 port goes offline, free the + * RPI. Get a new RPI when the adapter port + * comes back online. + */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_sli4_free_rpi(phba, ndlp->nlp_rpi); lpfc_unreg_rpi(vports[i], ndlp); } } @@ -2726,9 +2784,13 @@ lpfc_scsi_buf_update(struct lpfc_hba *phba) spin_lock_irq(&phba->hbalock); spin_lock(&phba->scsi_buf_list_lock); - list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) + list_for_each_entry_safe(sb, sb_next, &phba->lpfc_scsi_buf_list, list) { sb->cur_iocbq.sli4_xritag = phba->sli4_hba.xri_ids[sb->cur_iocbq.sli4_lxritag]; + set_bit(sb->cur_iocbq.sli4_lxritag, phba->sli4_hba.xri_bmask); + phba->sli4_hba.max_cfg_param.xri_used++; + phba->sli4_hba.xri_count++; + } spin_unlock(&phba->scsi_buf_list_lock); spin_unlock_irq(&phba->hbalock); return 0; @@ -3663,6 +3725,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, break; case LPFC_FIP_EVENT_TYPE_FCF_DEAD: + phba->fcoe_cvl_eventtag = acqe_fip->event_tag; lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, "2549 FCF (x%x) disconnected from network, " "tag:x%x\n", acqe_fip->index, acqe_fip->event_tag); @@ -3724,6 +3787,7 @@ lpfc_sli4_async_fip_evt(struct lpfc_hba *phba, } break; case LPFC_FIP_EVENT_TYPE_CVL: + phba->fcoe_cvl_eventtag = acqe_fip->event_tag; lpfc_printf_log(phba, KERN_ERR, LOG_FIP | LOG_DISCOVERY, "2718 Clear Virtual Link Received for VPI 0x%x" " tag 0x%x\n", acqe_fip->index, acqe_fip->event_tag); @@ -4327,6 +4391,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) uint8_t pn_page[LPFC_MAX_SUPPORTED_PAGES] = {0}; struct lpfc_mqe *mqe; int longs, sli_family; + int sges_per_segment; /* Before proceed, wait for POST done and device ready */ rc = lpfc_sli4_post_status_check(phba); @@ -4390,6 +4455,11 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) phba->fc_map[1] = LPFC_FCOE_FCF_MAP1; phba->fc_map[2] = LPFC_FCOE_FCF_MAP2; + /* With BlockGuard we can have multiple SGEs per Data Segemnt */ + sges_per_segment = 1; + if (phba->cfg_enable_bg) + sges_per_segment = 2; + /* * Since the sg_tablesize is module parameter, the sg_dma_buf_size * used to create the sg_dma_buf_pool must be dynamically calculated. @@ -4398,7 +4468,8 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) * sgl sizes of must be a power of 2. */ buf_size = (sizeof(struct fcp_cmnd) + sizeof(struct fcp_rsp) + - ((phba->cfg_sg_seg_cnt + 2) * sizeof(struct sli4_sge))); + (((phba->cfg_sg_seg_cnt * sges_per_segment) + 2) * + sizeof(struct sli4_sge))); sli_family = bf_get(lpfc_sli_intf_sli_family, &phba->sli4_hba.sli_intf); max_buf_size = LPFC_SLI4_MAX_BUF_SIZE; @@ -4415,6 +4486,7 @@ lpfc_sli4_driver_resource_setup(struct lpfc_hba *phba) default: break; } + for (dma_buf_size = LPFC_SLI4_MIN_BUF_SIZE; dma_buf_size < max_buf_size && buf_size > dma_buf_size; dma_buf_size = dma_buf_size << 1) @@ -5158,8 +5230,7 @@ lpfc_sli4_create_rpi_hdr(struct lpfc_hba *phba) * rpi is normalized to a zero base because the physical rpi is * port based. */ - curr_rpi_range = phba->sli4_hba.next_rpi - - phba->sli4_hba.max_cfg_param.rpi_base; + curr_rpi_range = phba->sli4_hba.next_rpi; spin_unlock_irq(&phba->hbalock); /* @@ -5750,10 +5821,9 @@ lpfc_sli4_post_status_check(struct lpfc_hba *phba) readl(phba->sli4_hba.u.if_type2. ERR2regaddr); lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2888 Port Error Detected " - "during POST: " - "port status reg 0x%x, " - "port_smphr reg 0x%x, " + "2888 Unrecoverable port error " + "following POST: port status reg " + "0x%x, port_smphr reg 0x%x, " "error 1=0x%x, error 2=0x%x\n", reg_data.word0, portsmphr_reg.word0, @@ -6074,7 +6144,6 @@ lpfc_sli4_read_config(struct lpfc_hba *phba) phba->sli4_hba.next_xri = phba->sli4_hba.max_cfg_param.xri_base; phba->vpi_base = phba->sli4_hba.max_cfg_param.vpi_base; phba->vfi_base = phba->sli4_hba.max_cfg_param.vfi_base; - phba->sli4_hba.next_rpi = phba->sli4_hba.max_cfg_param.rpi_base; phba->max_vpi = (phba->sli4_hba.max_cfg_param.max_vpi > 0) ? (phba->sli4_hba.max_cfg_param.max_vpi - 1) : 0; phba->max_vports = phba->max_vpi; @@ -7163,6 +7232,7 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) uint32_t rdy_chk, num_resets = 0, reset_again = 0; union lpfc_sli4_cfg_shdr *shdr; struct lpfc_register reg_data; + uint16_t devid; if_type = bf_get(lpfc_sli_intf_if_type, &phba->sli4_hba.sli_intf); switch (if_type) { @@ -7209,7 +7279,9 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) LPFC_SLIPORT_INIT_PORT); writel(reg_data.word0, phba->sli4_hba.u.if_type2. CTRLregaddr); - + /* flush */ + pci_read_config_word(phba->pcidev, + PCI_DEVICE_ID, &devid); /* * Poll the Port Status Register and wait for RDY for * up to 10 seconds. If the port doesn't respond, treat @@ -7223,19 +7295,17 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) rc = -ENODEV; goto out; } - if (bf_get(lpfc_sliport_status_rdy, ®_data)) - break; - if (bf_get(lpfc_sliport_status_rn, ®_data)) { + if (bf_get(lpfc_sliport_status_rn, ®_data)) reset_again++; + if (bf_get(lpfc_sliport_status_rdy, ®_data)) break; - } } /* * If the port responds to the init request with * reset needed, delay for a bit and restart the loop. */ - if (reset_again) { + if (reset_again && (rdy_chk < 1000)) { msleep(10); reset_again = 0; continue; @@ -7249,11 +7319,10 @@ lpfc_pci_function_reset(struct lpfc_hba *phba) phba->work_status[1] = readl( phba->sli4_hba.u.if_type2.ERR2regaddr); lpfc_printf_log(phba, KERN_ERR, LOG_INIT, - "2890 Port Error Detected " - "during Port Reset: " - "port status reg 0x%x, " + "2890 Port error detected during port " + "reset(%d): port status reg 0x%x, " "error 1=0x%x, error 2=0x%x\n", - reg_data.word0, + num_resets, reg_data.word0, phba->work_status[0], phba->work_status[1]); rc = -ENODEV; @@ -8112,6 +8181,9 @@ lpfc_unset_hba(struct lpfc_hba *phba) vport->load_flag |= FC_UNLOADING; spin_unlock_irq(shost->host_lock); + kfree(phba->vpi_bmask); + kfree(phba->vpi_ids); + lpfc_stop_hba_timers(phba); phba->pport->work_port_events = 0; @@ -8644,6 +8716,9 @@ lpfc_pci_remove_one_s3(struct pci_dev *pdev) /* Final cleanup of txcmplq and reset the HBA */ lpfc_sli_brdrestart(phba); + kfree(phba->vpi_bmask); + kfree(phba->vpi_ids); + lpfc_stop_hba_timers(phba); spin_lock_irq(&phba->hbalock); list_del_init(&vport->listentry); @@ -9058,7 +9133,7 @@ lpfc_sli4_get_els_iocb_cnt(struct lpfc_hba *phba) int lpfc_write_firmware(struct lpfc_hba *phba, const struct firmware *fw) { - char fwrev[32]; + char fwrev[FW_REV_STR_SIZE]; struct lpfc_grp_hdr *image = (struct lpfc_grp_hdr *)fw->data; struct list_head dma_buffer_list; int i, rc = 0; @@ -10012,6 +10087,36 @@ lpfc_io_resume(struct pci_dev *pdev) return; } +/** + * lpfc_mgmt_open - method called when 'lpfcmgmt' is opened from userspace + * @inode: pointer to the inode representing the lpfcmgmt device + * @filep: pointer to the file representing the open lpfcmgmt device + * + * This routine puts a reference count on the lpfc module whenever the + * character device is opened + **/ +static int +lpfc_mgmt_open(struct inode *inode, struct file *filep) +{ + try_module_get(THIS_MODULE); + return 0; +} + +/** + * lpfc_mgmt_release - method called when 'lpfcmgmt' is closed in userspace + * @inode: pointer to the inode representing the lpfcmgmt device + * @filep: pointer to the file representing the open lpfcmgmt device + * + * This routine removes a reference count from the lpfc module when the + * character device is closed + **/ +static int +lpfc_mgmt_release(struct inode *inode, struct file *filep) +{ + module_put(THIS_MODULE); + return 0; +} + static struct pci_device_id lpfc_id_table[] = { {PCI_VENDOR_ID_EMULEX, PCI_DEVICE_ID_VIPER, PCI_ANY_ID, PCI_ANY_ID, }, @@ -10124,6 +10229,17 @@ static struct pci_driver lpfc_driver = { .err_handler = &lpfc_err_handler, }; +static const struct file_operations lpfc_mgmt_fop = { + .open = lpfc_mgmt_open, + .release = lpfc_mgmt_release, +}; + +static struct miscdevice lpfc_mgmt_dev = { + .minor = MISC_DYNAMIC_MINOR, + .name = "lpfcmgmt", + .fops = &lpfc_mgmt_fop, +}; + /** * lpfc_init - lpfc module initialization routine * @@ -10144,6 +10260,11 @@ lpfc_init(void) printk(LPFC_MODULE_DESC "\n"); printk(LPFC_COPYRIGHT "\n"); + error = misc_register(&lpfc_mgmt_dev); + if (error) + printk(KERN_ERR "Could not register lpfcmgmt device, " + "misc_register returned with status %d", error); + if (lpfc_enable_npiv) { lpfc_transport_functions.vport_create = lpfc_vport_create; lpfc_transport_functions.vport_delete = lpfc_vport_delete; @@ -10180,6 +10301,7 @@ lpfc_init(void) static void __exit lpfc_exit(void) { + misc_deregister(&lpfc_mgmt_dev); pci_unregister_driver(&lpfc_driver); fc_release_transport(lpfc_transport_template); if (lpfc_enable_npiv) diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c index e8bb0055994..15ca2a9a0cd 100644 --- a/drivers/scsi/lpfc/lpfc_nportdisc.c +++ b/drivers/scsi/lpfc/lpfc_nportdisc.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2009 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -48,6 +48,10 @@ static int lpfc_check_adisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_name *nn, struct lpfc_name *pn) { + /* First, we MUST have a RPI registered */ + if (!(ndlp->nlp_flag & NLP_RPI_REGISTERED)) + return 0; + /* Compare the ADISC rsp WWNN / WWPN matches our internal node * table entry for that node. */ @@ -385,6 +389,10 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, if (!mbox) goto out; + /* Registering an existing RPI behaves differently for SLI3 vs SLI4 */ + if (phba->sli_rev == LPFC_SLI_REV4) + lpfc_unreg_rpi(vport, ndlp); + rc = lpfc_reg_rpi(phba, vport->vpi, icmd->un.rcvels.remoteID, (uint8_t *) sp, mbox, ndlp->nlp_rpi); if (rc) { @@ -432,11 +440,15 @@ lpfc_rcv_plogi(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, spin_unlock_irq(shost->host_lock); stat.un.b.lsRjtRsnCode = LSRJT_INVALID_CMD; stat.un.b.lsRjtRsnCodeExp = LSEXP_NOTHING_MORE; - lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, + rc = lpfc_els_rsp_reject(vport, stat.un.lsRjtError, cmdiocb, ndlp, mbox); + if (rc) + mempool_free(mbox, phba->mbox_mem_pool); return 1; } - lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); + rc = lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, mbox); + if (rc) + mempool_free(mbox, phba->mbox_mem_pool); return 1; out: stat.un.b.lsRjtRsnCode = LSRJT_UNABLE_TPC; @@ -445,11 +457,43 @@ out: return 0; } +/** + * lpfc_mbx_cmpl_resume_rpi - Resume RPI completion routine + * @phba: pointer to lpfc hba data structure. + * @mboxq: pointer to mailbox object + * + * This routine is invoked to issue a completion to a rcv'ed + * ADISC or PDISC after the paused RPI has been resumed. + **/ +static void +lpfc_mbx_cmpl_resume_rpi(struct lpfc_hba *phba, LPFC_MBOXQ_t *mboxq) +{ + struct lpfc_vport *vport; + struct lpfc_iocbq *elsiocb; + struct lpfc_nodelist *ndlp; + uint32_t cmd; + + elsiocb = (struct lpfc_iocbq *)mboxq->context1; + ndlp = (struct lpfc_nodelist *) mboxq->context2; + vport = mboxq->vport; + cmd = elsiocb->drvrTimeout; + + if (cmd == ELS_CMD_ADISC) { + lpfc_els_rsp_adisc_acc(vport, elsiocb, ndlp); + } else { + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, elsiocb, + ndlp, NULL); + } + kfree(elsiocb); + mempool_free(mboxq, phba->mbox_mem_pool); +} + static int lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, struct lpfc_iocbq *cmdiocb) { struct Scsi_Host *shost = lpfc_shost_from_vport(vport); + struct lpfc_iocbq *elsiocb; struct lpfc_dmabuf *pcmd; struct serv_parm *sp; struct lpfc_name *pnn, *ppn; @@ -475,12 +519,43 @@ lpfc_rcv_padisc(struct lpfc_vport *vport, struct lpfc_nodelist *ndlp, icmd = &cmdiocb->iocb; if (icmd->ulpStatus == 0 && lpfc_check_adisc(vport, ndlp, pnn, ppn)) { + + /* + * As soon as we send ACC, the remote NPort can + * start sending us data. Thus, for SLI4 we must + * resume the RPI before the ACC goes out. + */ + if (vport->phba->sli_rev == LPFC_SLI_REV4) { + elsiocb = kmalloc(sizeof(struct lpfc_iocbq), + GFP_KERNEL); + if (elsiocb) { + + /* Save info from cmd IOCB used in rsp */ + memcpy((uint8_t *)elsiocb, (uint8_t *)cmdiocb, + sizeof(struct lpfc_iocbq)); + + /* Save the ELS cmd */ + elsiocb->drvrTimeout = cmd; + + lpfc_sli4_resume_rpi(ndlp, + lpfc_mbx_cmpl_resume_rpi, elsiocb); + goto out; + } + } + if (cmd == ELS_CMD_ADISC) { lpfc_els_rsp_adisc_acc(vport, cmdiocb, ndlp); } else { - lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, ndlp, - NULL); + lpfc_els_rsp_acc(vport, ELS_CMD_PLOGI, cmdiocb, + ndlp, NULL); } +out: + /* If we are authenticated, move to the proper state */ + if (ndlp->nlp_type & NLP_FCP_TARGET) + lpfc_nlp_set_state(vport, ndlp, NLP_STE_MAPPED_NODE); + else + lpfc_nlp_set_state(vport, ndlp, NLP_STE_UNMAPPED_NODE); + return 1; } /* Reject this request because invalid parameters */ @@ -1229,7 +1304,7 @@ lpfc_cmpl_adisc_adisc_issue(struct lpfc_vport *vport, } if (phba->sli_rev == LPFC_SLI_REV4) { - rc = lpfc_sli4_resume_rpi(ndlp); + rc = lpfc_sli4_resume_rpi(ndlp, NULL, NULL); if (rc) { /* Stay in state and retry. */ ndlp->nlp_prev_state = NLP_STE_ADISC_ISSUE; diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c index c60f5d0b386..88f3a83dbd2 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.c +++ b/drivers/scsi/lpfc/lpfc_scsi.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -39,8 +39,8 @@ #include "lpfc_sli4.h" #include "lpfc_nl.h" #include "lpfc_disc.h" -#include "lpfc_scsi.h" #include "lpfc.h" +#include "lpfc_scsi.h" #include "lpfc_logmsg.h" #include "lpfc_crtn.h" #include "lpfc_vport.h" @@ -51,13 +51,19 @@ int _dump_buf_done; static char *dif_op_str[] = { - "SCSI_PROT_NORMAL", - "SCSI_PROT_READ_INSERT", - "SCSI_PROT_WRITE_STRIP", - "SCSI_PROT_READ_STRIP", - "SCSI_PROT_WRITE_INSERT", - "SCSI_PROT_READ_PASS", - "SCSI_PROT_WRITE_PASS", + "PROT_NORMAL", + "PROT_READ_INSERT", + "PROT_WRITE_STRIP", + "PROT_READ_STRIP", + "PROT_WRITE_INSERT", + "PROT_READ_PASS", + "PROT_WRITE_PASS", +}; + +static char *dif_grd_str[] = { + "NO_GUARD", + "DIF_CRC", + "DIX_IP", }; struct scsi_dif_tuple { @@ -1280,32 +1286,51 @@ lpfc_cmd_blksize(struct scsi_cmnd *sc) } #ifdef CONFIG_SCSI_LPFC_DEBUG_FS -/* - * Given a scsi cmnd, determine the BlockGuard tags to be used with it + +/* Return if if error injection is detected by Initiator */ +#define BG_ERR_INIT 0x1 +/* Return if if error injection is detected by Target */ +#define BG_ERR_TGT 0x2 +/* Return if if swapping CSUM<-->CRC is required for error injection */ +#define BG_ERR_SWAP 0x10 +/* Return if disabling Guard/Ref/App checking is required for error injection */ +#define BG_ERR_CHECK 0x20 + +/** + * lpfc_bg_err_inject - Determine if we should inject an error + * @phba: The Hba for which this call is being executed. * @sc: The SCSI command to examine * @reftag: (out) BlockGuard reference tag for transmitted data * @apptag: (out) BlockGuard application tag for transmitted data * @new_guard (in) Value to replace CRC with if needed * - * Returns (1) if error injection was performed, (0) otherwise - */ + * Returns BG_ERR_* bit mask or 0 if request ignored + **/ static int lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, uint32_t *reftag, uint16_t *apptag, uint32_t new_guard) { struct scatterlist *sgpe; /* s/g prot entry */ struct scatterlist *sgde; /* s/g data entry */ - struct scsi_dif_tuple *src; + struct lpfc_scsi_buf *lpfc_cmd = NULL; + struct scsi_dif_tuple *src = NULL; + struct lpfc_nodelist *ndlp; + struct lpfc_rport_data *rdata; uint32_t op = scsi_get_prot_op(sc); uint32_t blksize; uint32_t numblks; sector_t lba; int rc = 0; + int blockoff = 0; if (op == SCSI_PROT_NORMAL) return 0; + sgpe = scsi_prot_sglist(sc); + sgde = scsi_sglist(sc); lba = scsi_get_lba(sc); + + /* First check if we need to match the LBA */ if (phba->lpfc_injerr_lba != LPFC_INJERR_LBA_OFF) { blksize = lpfc_cmd_blksize(sc); numblks = (scsi_bufflen(sc) + blksize - 1) / blksize; @@ -1314,142 +1339,380 @@ lpfc_bg_err_inject(struct lpfc_hba *phba, struct scsi_cmnd *sc, if ((phba->lpfc_injerr_lba < lba) || (phba->lpfc_injerr_lba >= (lba + numblks))) return 0; + if (sgpe) { + blockoff = phba->lpfc_injerr_lba - lba; + numblks = sg_dma_len(sgpe) / + sizeof(struct scsi_dif_tuple); + if (numblks < blockoff) + blockoff = numblks; + } } - sgpe = scsi_prot_sglist(sc); - sgde = scsi_sglist(sc); + /* Next check if we need to match the remote NPortID or WWPN */ + rdata = sc->device->hostdata; + if (rdata && rdata->pnode) { + ndlp = rdata->pnode; + + /* Make sure we have the right NPortID if one is specified */ + if (phba->lpfc_injerr_nportid && + (phba->lpfc_injerr_nportid != ndlp->nlp_DID)) + return 0; - /* Should we change the Reference Tag */ - if (reftag) { /* - * If we are SCSI_PROT_WRITE_STRIP, the protection data is - * being stripped from the wire, thus it doesn't matter. + * Make sure we have the right WWPN if one is specified. + * wwn[0] should be a non-zero NAA in a good WWPN. */ - if ((op == SCSI_PROT_WRITE_PASS) || - (op == SCSI_PROT_WRITE_INSERT)) { - if (phba->lpfc_injerr_wref_cnt) { + if (phba->lpfc_injerr_wwpn.u.wwn[0] && + (memcmp(&ndlp->nlp_portname, &phba->lpfc_injerr_wwpn, + sizeof(struct lpfc_name)) != 0)) + return 0; + } + + /* Setup a ptr to the protection data if the SCSI host provides it */ + if (sgpe) { + src = (struct scsi_dif_tuple *)sg_virt(sgpe); + src += blockoff; + lpfc_cmd = (struct lpfc_scsi_buf *)sc->host_scribble; + } + + /* Should we change the Reference Tag */ + if (reftag) { + if (phba->lpfc_injerr_wref_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + if (src) { + /* + * For WRITE_PASS, force the error + * to be sent on the wire. It should + * be detected by the Target. + * If blockoff != 0 error will be + * inserted in middle of the IO. + */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9076 BLKGRD: Injecting reftag error: " + "write lba x%lx + x%x oldrefTag x%x\n", + (unsigned long)lba, blockoff, + be32_to_cpu(src->ref_tag)); + + /* + * Save the old ref_tag so we can + * restore it on completion. + */ + if (lpfc_cmd) { + lpfc_cmd->prot_data_type = + LPFC_INJERR_REFTAG; + lpfc_cmd->prot_data_segment = + src; + lpfc_cmd->prot_data = + src->ref_tag; + } + src->ref_tag = cpu_to_be32(0xDEADBEEF); + phba->lpfc_injerr_wref_cnt--; + if (phba->lpfc_injerr_wref_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_TGT | BG_ERR_CHECK; + break; + } + /* Drop thru */ + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the error + * to be sent on the wire. It should be + * detected by the Target. + */ /* DEADBEEF will be the reftag on the wire */ *reftag = 0xDEADBEEF; phba->lpfc_injerr_wref_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + if (phba->lpfc_injerr_wref_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_TGT | BG_ERR_CHECK; + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9078 BLKGRD: Injecting reftag error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + *reftag = 0xDEADBEEF; + phba->lpfc_injerr_wref_cnt--; + if (phba->lpfc_injerr_wref_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9081 BLKGRD: Injecting reftag error: " + "9077 BLKGRD: Injecting reftag error: " "write lba x%lx\n", (unsigned long)lba); + break; } - } else { - if (phba->lpfc_injerr_rref_cnt) { + } + if (phba->lpfc_injerr_rref_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ *reftag = 0xDEADBEEF; phba->lpfc_injerr_rref_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + if (phba->lpfc_injerr_rref_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9076 BLKGRD: Injecting reftag error: " + "9079 BLKGRD: Injecting reftag error: " "read lba x%lx\n", (unsigned long)lba); + break; } } } /* Should we change the Application Tag */ if (apptag) { - /* - * If we are SCSI_PROT_WRITE_STRIP, the protection data is - * being stripped from the wire, thus it doesn't matter. - */ - if ((op == SCSI_PROT_WRITE_PASS) || - (op == SCSI_PROT_WRITE_INSERT)) { - if (phba->lpfc_injerr_wapp_cnt) { + if (phba->lpfc_injerr_wapp_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + if (src) { + /* + * For WRITE_PASS, force the error + * to be sent on the wire. It should + * be detected by the Target. + * If blockoff != 0 error will be + * inserted in middle of the IO. + */ + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9080 BLKGRD: Injecting apptag error: " + "write lba x%lx + x%x oldappTag x%x\n", + (unsigned long)lba, blockoff, + be16_to_cpu(src->app_tag)); + + /* + * Save the old app_tag so we can + * restore it on completion. + */ + if (lpfc_cmd) { + lpfc_cmd->prot_data_type = + LPFC_INJERR_APPTAG; + lpfc_cmd->prot_data_segment = + src; + lpfc_cmd->prot_data = + src->app_tag; + } + src->app_tag = cpu_to_be16(0xDEAD); + phba->lpfc_injerr_wapp_cnt--; + if (phba->lpfc_injerr_wapp_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_TGT | BG_ERR_CHECK; + break; + } + /* Drop thru */ + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the + * error to be sent on the wire. It should be + * detected by the Target. + */ /* DEAD will be the apptag on the wire */ *apptag = 0xDEAD; phba->lpfc_injerr_wapp_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + if (phba->lpfc_injerr_wapp_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_TGT | BG_ERR_CHECK; + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0813 BLKGRD: Injecting apptag error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + *apptag = 0xDEAD; + phba->lpfc_injerr_wapp_cnt--; + if (phba->lpfc_injerr_wapp_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9077 BLKGRD: Injecting apptag error: " + "0812 BLKGRD: Injecting apptag error: " "write lba x%lx\n", (unsigned long)lba); + break; } - } else { - if (phba->lpfc_injerr_rapp_cnt) { + } + if (phba->lpfc_injerr_rapp_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ *apptag = 0xDEAD; phba->lpfc_injerr_rapp_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + if (phba->lpfc_injerr_rapp_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + rc = BG_ERR_INIT; lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9078 BLKGRD: Injecting apptag error: " + "0814 BLKGRD: Injecting apptag error: " "read lba x%lx\n", (unsigned long)lba); + break; } } } + /* Should we change the Guard Tag */ + if (new_guard) { + if (phba->lpfc_injerr_wgrd_cnt) { + switch (op) { + case SCSI_PROT_WRITE_PASS: + rc = BG_ERR_CHECK; + /* Drop thru */ + + case SCSI_PROT_WRITE_INSERT: + /* + * For WRITE_INSERT, force the + * error to be sent on the wire. It should be + * detected by the Target. + */ + phba->lpfc_injerr_wgrd_cnt--; + if (phba->lpfc_injerr_wgrd_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } - /* - * If we are SCSI_PROT_WRITE_INSERT, the protection data is - * being on the wire is being fully generated on the HBA. - * The host cannot change it or force an error. - */ - if (((op == SCSI_PROT_WRITE_STRIP) || - (op == SCSI_PROT_WRITE_PASS)) && - phba->lpfc_injerr_wgrd_cnt) { - if (sgpe) { - src = (struct scsi_dif_tuple *)sg_virt(sgpe); - /* - * Just inject an error in the first - * prot block. - */ - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9079 BLKGRD: Injecting guard error: " - "write lba x%lx oldGuard x%x refTag x%x\n", - (unsigned long)lba, src->guard_tag, - src->ref_tag); + rc |= BG_ERR_TGT | BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ - src->guard_tag = (uint16_t)new_guard; - phba->lpfc_injerr_wgrd_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0817 BLKGRD: Injecting guard error: " + "write lba x%lx\n", (unsigned long)lba); + break; + case SCSI_PROT_WRITE_STRIP: + /* + * For WRITE_STRIP and WRITE_PASS, + * force the error on data + * being copied from SLI-Host to SLI-Port. + */ + phba->lpfc_injerr_wgrd_cnt--; + if (phba->lpfc_injerr_wgrd_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } - } else { - blksize = lpfc_cmd_blksize(sc); - /* - * Jump past the first data block - * and inject an error in the - * prot data. The prot data is already - * embedded after the regular data. - */ - src = (struct scsi_dif_tuple *) - (sg_virt(sgde) + blksize); + rc = BG_ERR_INIT | BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ - lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9080 BLKGRD: Injecting guard error: " - "write lba x%lx oldGuard x%x refTag x%x\n", - (unsigned long)lba, src->guard_tag, - src->ref_tag); - - src->guard_tag = (uint16_t)new_guard; - phba->lpfc_injerr_wgrd_cnt--; - phba->lpfc_injerr_lba = LPFC_INJERR_LBA_OFF; - rc = 1; + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0816 BLKGRD: Injecting guard error: " + "write lba x%lx\n", (unsigned long)lba); + break; + } + } + if (phba->lpfc_injerr_rgrd_cnt) { + switch (op) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_READ_PASS: + /* + * For READ_STRIP and READ_PASS, force the + * error on data being read off the wire. It + * should force an IO error to the driver. + */ + phba->lpfc_injerr_rgrd_cnt--; + if (phba->lpfc_injerr_rgrd_cnt == 0) { + phba->lpfc_injerr_nportid = 0; + phba->lpfc_injerr_lba = + LPFC_INJERR_LBA_OFF; + memset(&phba->lpfc_injerr_wwpn, + 0, sizeof(struct lpfc_name)); + } + + rc = BG_ERR_INIT | BG_ERR_SWAP; + /* Signals the caller to swap CRC->CSUM */ + + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "0818 BLKGRD: Injecting guard error: " + "read lba x%lx\n", (unsigned long)lba); + } } } + return rc; } #endif -/* - * Given a scsi cmnd, determine the BlockGuard opcodes to be used with it +/** + * lpfc_sc_to_bg_opcodes - Determine the BlockGuard opcodes to be used with + * the specified SCSI command. + * @phba: The Hba for which this call is being executed. * @sc: The SCSI command to examine * @txopt: (out) BlockGuard operation for transmitted data * @rxopt: (out) BlockGuard operation for received data * * Returns: zero on success; non-zero if tx and/or rx op cannot be determined * - */ + **/ static int lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, uint8_t *txop, uint8_t *rxop) @@ -1461,20 +1724,20 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, switch (scsi_get_prot_op(sc)) { case SCSI_PROT_READ_INSERT: case SCSI_PROT_WRITE_STRIP: - *txop = BG_OP_IN_CSUM_OUT_NODIF; *rxop = BG_OP_IN_NODIF_OUT_CSUM; + *txop = BG_OP_IN_CSUM_OUT_NODIF; break; case SCSI_PROT_READ_STRIP: case SCSI_PROT_WRITE_INSERT: - *txop = BG_OP_IN_NODIF_OUT_CRC; *rxop = BG_OP_IN_CRC_OUT_NODIF; + *txop = BG_OP_IN_NODIF_OUT_CRC; break; case SCSI_PROT_READ_PASS: case SCSI_PROT_WRITE_PASS: - *txop = BG_OP_IN_CSUM_OUT_CRC; *rxop = BG_OP_IN_CRC_OUT_CSUM; + *txop = BG_OP_IN_CSUM_OUT_CRC; break; case SCSI_PROT_NORMAL: @@ -1490,20 +1753,20 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, switch (scsi_get_prot_op(sc)) { case SCSI_PROT_READ_STRIP: case SCSI_PROT_WRITE_INSERT: - *txop = BG_OP_IN_NODIF_OUT_CRC; *rxop = BG_OP_IN_CRC_OUT_NODIF; + *txop = BG_OP_IN_NODIF_OUT_CRC; break; case SCSI_PROT_READ_PASS: case SCSI_PROT_WRITE_PASS: - *txop = BG_OP_IN_CRC_OUT_CRC; *rxop = BG_OP_IN_CRC_OUT_CRC; + *txop = BG_OP_IN_CRC_OUT_CRC; break; case SCSI_PROT_READ_INSERT: case SCSI_PROT_WRITE_STRIP: - *txop = BG_OP_IN_CRC_OUT_NODIF; *rxop = BG_OP_IN_NODIF_OUT_CRC; + *txop = BG_OP_IN_CRC_OUT_NODIF; break; case SCSI_PROT_NORMAL: @@ -1519,8 +1782,88 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, return ret; } -/* - * This function sets up buffer list for protection groups of +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS +/** + * lpfc_bg_err_opcodes - reDetermine the BlockGuard opcodes to be used with + * the specified SCSI command in order to force a guard tag error. + * @phba: The Hba for which this call is being executed. + * @sc: The SCSI command to examine + * @txopt: (out) BlockGuard operation for transmitted data + * @rxopt: (out) BlockGuard operation for received data + * + * Returns: zero on success; non-zero if tx and/or rx op cannot be determined + * + **/ +static int +lpfc_bg_err_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, + uint8_t *txop, uint8_t *rxop) +{ + uint8_t guard_type = scsi_host_get_guard(sc->device->host); + uint8_t ret = 0; + + if (guard_type == SHOST_DIX_GUARD_IP) { + switch (scsi_get_prot_op(sc)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + *rxop = BG_OP_IN_NODIF_OUT_CRC; + *txop = BG_OP_IN_CRC_OUT_NODIF; + break; + + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + *rxop = BG_OP_IN_CSUM_OUT_NODIF; + *txop = BG_OP_IN_NODIF_OUT_CSUM; + break; + + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + *rxop = BG_OP_IN_CSUM_OUT_CRC; + *txop = BG_OP_IN_CRC_OUT_CSUM; + break; + + case SCSI_PROT_NORMAL: + default: + break; + + } + } else { + switch (scsi_get_prot_op(sc)) { + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + *rxop = BG_OP_IN_CSUM_OUT_NODIF; + *txop = BG_OP_IN_NODIF_OUT_CSUM; + break; + + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + *rxop = BG_OP_IN_CSUM_OUT_CSUM; + *txop = BG_OP_IN_CSUM_OUT_CSUM; + break; + + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + *rxop = BG_OP_IN_NODIF_OUT_CSUM; + *txop = BG_OP_IN_CSUM_OUT_NODIF; + break; + + case SCSI_PROT_NORMAL: + default: + break; + } + } + + return ret; +} +#endif + +/** + * lpfc_bg_setup_bpl - Setup BlockGuard BPL with no protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @bpl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * + * This function sets up BPL buffer list for protection groups of * type LPFC_PG_TYPE_NO_DIF * * This is usually used when the HBA is instructed to generate @@ -1539,12 +1882,11 @@ lpfc_sc_to_bg_opcodes(struct lpfc_hba *phba, struct scsi_cmnd *sc, * |more Data BDE's ... (opt)| * +-------------------------+ * - * @sc: pointer to scsi command we're working on - * @bpl: pointer to buffer list for protection groups - * @datacnt: number of segments of data that have been dma mapped * * Note: Data s/g buffers have been dma mapped - */ + * + * Returns the number of BDEs added to the BPL. + **/ static int lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, struct ulp_bde64 *bpl, int datasegcnt) @@ -1555,6 +1897,8 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, dma_addr_t physaddr; int i = 0, num_bde = 0, status; int datadir = sc->sc_data_direction; + uint32_t rc; + uint32_t checking = 1; uint32_t reftag; unsigned blksize; uint8_t txop, rxop; @@ -1565,11 +1909,16 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command for pde*/ blksize = lpfc_cmd_blksize(sc); - reftag = scsi_get_lba(sc) & 0xffffffff; + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ #ifdef CONFIG_SCSI_LPFC_DEBUG_FS - /* reftag is the only error we can inject here */ - lpfc_bg_err_inject(phba, sc, &reftag, 0, 0); + rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); + if (rc) { + if (rc & BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc & BG_ERR_CHECK) + checking = 0; + } #endif /* setup PDE5 with what we have */ @@ -1592,8 +1941,8 @@ lpfc_bg_setup_bpl(struct lpfc_hba *phba, struct scsi_cmnd *sc, bf_set(pde6_optx, pde6, txop); bf_set(pde6_oprx, pde6, rxop); if (datadir == DMA_FROM_DEVICE) { - bf_set(pde6_ce, pde6, 1); - bf_set(pde6_re, pde6, 1); + bf_set(pde6_ce, pde6, checking); + bf_set(pde6_re, pde6, checking); } bf_set(pde6_ai, pde6, 1); bf_set(pde6_ae, pde6, 0); @@ -1627,9 +1976,16 @@ out: return num_bde; } -/* - * This function sets up buffer list for protection groups of - * type LPFC_PG_TYPE_DIF_BUF +/** + * lpfc_bg_setup_bpl_prot - Setup BlockGuard BPL with protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @bpl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * @protcnt: number of segment of protection data that have been dma mapped + * + * This function sets up BPL buffer list for protection groups of + * type LPFC_PG_TYPE_DIF * * This is usually used when DIFs are in their own buffers, * separate from the data. The HBA can then by instructed @@ -1654,14 +2010,11 @@ out: * | ... | * +-------------------------+ * - * @sc: pointer to scsi command we're working on - * @bpl: pointer to buffer list for protection groups - * @datacnt: number of segments of data that have been dma mapped - * @protcnt: number of segment of protection data that have been dma mapped - * * Note: It is assumed that both data and protection s/g buffers have been * mapped for DMA - */ + * + * Returns the number of BDEs added to the BPL. + **/ static int lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, struct ulp_bde64 *bpl, int datacnt, int protcnt) @@ -1681,6 +2034,8 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, int datadir = sc->sc_data_direction; unsigned char pgdone = 0, alldone = 0; unsigned blksize; + uint32_t rc; + uint32_t checking = 1; uint32_t reftag; uint8_t txop, rxop; int num_bde = 0; @@ -1701,11 +2056,16 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, /* extract some info from the scsi command */ blksize = lpfc_cmd_blksize(sc); - reftag = scsi_get_lba(sc) & 0xffffffff; + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ #ifdef CONFIG_SCSI_LPFC_DEBUG_FS - /* reftag / guard tag are the only errors we can inject here */ - lpfc_bg_err_inject(phba, sc, &reftag, 0, 0xDEAD); + rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); + if (rc) { + if (rc & BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc & BG_ERR_CHECK) + checking = 0; + } #endif split_offset = 0; @@ -1729,8 +2089,8 @@ lpfc_bg_setup_bpl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, bf_set(pde6_type, pde6, LPFC_PDE6_DESCRIPTOR); bf_set(pde6_optx, pde6, txop); bf_set(pde6_oprx, pde6, rxop); - bf_set(pde6_ce, pde6, 1); - bf_set(pde6_re, pde6, 1); + bf_set(pde6_ce, pde6, checking); + bf_set(pde6_re, pde6, checking); bf_set(pde6_ai, pde6, 1); bf_set(pde6_ae, pde6, 0); bf_set(pde6_apptagval, pde6, 0); @@ -1852,13 +2212,358 @@ out: return num_bde; } -/* +/** + * lpfc_bg_setup_sgl - Setup BlockGuard SGL with no protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @sgl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * + * This function sets up SGL buffer list for protection groups of + * type LPFC_PG_TYPE_NO_DIF + * + * This is usually used when the HBA is instructed to generate + * DIFs and insert them into data stream (or strip DIF from + * incoming data stream) + * + * The buffer list consists of just one protection group described + * below: + * +-------------------------+ + * start of prot group --> | DI_SEED | + * +-------------------------+ + * | Data SGE | + * +-------------------------+ + * |more Data SGE's ... (opt)| + * +-------------------------+ + * + * + * Note: Data s/g buffers have been dma mapped + * + * Returns the number of SGEs added to the SGL. + **/ +static int +lpfc_bg_setup_sgl(struct lpfc_hba *phba, struct scsi_cmnd *sc, + struct sli4_sge *sgl, int datasegcnt) +{ + struct scatterlist *sgde = NULL; /* s/g data entry */ + struct sli4_sge_diseed *diseed = NULL; + dma_addr_t physaddr; + int i = 0, num_sge = 0, status; + int datadir = sc->sc_data_direction; + uint32_t reftag; + unsigned blksize; + uint8_t txop, rxop; + uint32_t rc; + uint32_t checking = 1; + uint32_t dma_len; + uint32_t dma_offset = 0; + + status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop); + if (status) + goto out; + + /* extract some info from the scsi command for pde*/ + blksize = lpfc_cmd_blksize(sc); + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); + if (rc) { + if (rc & BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc & BG_ERR_CHECK) + checking = 0; + } +#endif + + /* setup DISEED with what we have */ + diseed = (struct sli4_sge_diseed *) sgl; + memset(diseed, 0, sizeof(struct sli4_sge_diseed)); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DISEED); + + /* Endianness conversion if necessary */ + diseed->ref_tag = cpu_to_le32(reftag); + diseed->ref_tag_tran = diseed->ref_tag; + + /* setup DISEED with the rest of the info */ + bf_set(lpfc_sli4_sge_dif_optx, diseed, txop); + bf_set(lpfc_sli4_sge_dif_oprx, diseed, rxop); + if (datadir == DMA_FROM_DEVICE) { + bf_set(lpfc_sli4_sge_dif_ce, diseed, checking); + bf_set(lpfc_sli4_sge_dif_re, diseed, checking); + } + bf_set(lpfc_sli4_sge_dif_ai, diseed, 1); + bf_set(lpfc_sli4_sge_dif_me, diseed, 0); + + /* Endianness conversion if necessary for DISEED */ + diseed->word2 = cpu_to_le32(diseed->word2); + diseed->word3 = cpu_to_le32(diseed->word3); + + /* advance bpl and increment sge count */ + num_sge++; + sgl++; + + /* assumption: caller has already run dma_map_sg on command data */ + scsi_for_each_sg(sc, sgde, datasegcnt, i) { + physaddr = sg_dma_address(sgde); + dma_len = sg_dma_len(sgde); + sgl->addr_lo = cpu_to_le32(putPaddrLow(physaddr)); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(physaddr)); + if ((i + 1) == datasegcnt) + bf_set(lpfc_sli4_sge_last, sgl, 1); + else + bf_set(lpfc_sli4_sge_last, sgl, 0); + bf_set(lpfc_sli4_sge_offset, sgl, dma_offset); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); + + sgl->sge_len = cpu_to_le32(dma_len); + dma_offset += dma_len; + + sgl++; + num_sge++; + } + +out: + return num_sge; +} + +/** + * lpfc_bg_setup_sgl_prot - Setup BlockGuard SGL with protection data + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * @sgl: pointer to buffer list for protection groups + * @datacnt: number of segments of data that have been dma mapped + * @protcnt: number of segment of protection data that have been dma mapped + * + * This function sets up SGL buffer list for protection groups of + * type LPFC_PG_TYPE_DIF + * + * This is usually used when DIFs are in their own buffers, + * separate from the data. The HBA can then by instructed + * to place the DIFs in the outgoing stream. For read operations, + * The HBA could extract the DIFs and place it in DIF buffers. + * + * The buffer list for this type consists of one or more of the + * protection groups described below: + * +-------------------------+ + * start of first prot group --> | DISEED | + * +-------------------------+ + * | DIF (Prot SGE) | + * +-------------------------+ + * | Data SGE | + * +-------------------------+ + * |more Data SGE's ... (opt)| + * +-------------------------+ + * start of new prot group --> | DISEED | + * +-------------------------+ + * | ... | + * +-------------------------+ + * + * Note: It is assumed that both data and protection s/g buffers have been + * mapped for DMA + * + * Returns the number of SGEs added to the SGL. + **/ +static int +lpfc_bg_setup_sgl_prot(struct lpfc_hba *phba, struct scsi_cmnd *sc, + struct sli4_sge *sgl, int datacnt, int protcnt) +{ + struct scatterlist *sgde = NULL; /* s/g data entry */ + struct scatterlist *sgpe = NULL; /* s/g prot entry */ + struct sli4_sge_diseed *diseed = NULL; + dma_addr_t dataphysaddr, protphysaddr; + unsigned short curr_data = 0, curr_prot = 0; + unsigned int split_offset; + unsigned int protgroup_len, protgroup_offset = 0, protgroup_remainder; + unsigned int protgrp_blks, protgrp_bytes; + unsigned int remainder, subtotal; + int status; + unsigned char pgdone = 0, alldone = 0; + unsigned blksize; + uint32_t reftag; + uint8_t txop, rxop; + uint32_t dma_len; + uint32_t rc; + uint32_t checking = 1; + uint32_t dma_offset = 0; + int num_sge = 0; + + sgpe = scsi_prot_sglist(sc); + sgde = scsi_sglist(sc); + + if (!sgpe || !sgde) { + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9082 Invalid s/g entry: data=0x%p prot=0x%p\n", + sgpe, sgde); + return 0; + } + + status = lpfc_sc_to_bg_opcodes(phba, sc, &txop, &rxop); + if (status) + goto out; + + /* extract some info from the scsi command */ + blksize = lpfc_cmd_blksize(sc); + reftag = (uint32_t)scsi_get_lba(sc); /* Truncate LBA */ + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + rc = lpfc_bg_err_inject(phba, sc, &reftag, NULL, 1); + if (rc) { + if (rc & BG_ERR_SWAP) + lpfc_bg_err_opcodes(phba, sc, &txop, &rxop); + if (rc & BG_ERR_CHECK) + checking = 0; + } +#endif + + split_offset = 0; + do { + /* setup DISEED with what we have */ + diseed = (struct sli4_sge_diseed *) sgl; + memset(diseed, 0, sizeof(struct sli4_sge_diseed)); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DISEED); + + /* Endianness conversion if necessary */ + diseed->ref_tag = cpu_to_le32(reftag); + diseed->ref_tag_tran = diseed->ref_tag; + + /* setup DISEED with the rest of the info */ + bf_set(lpfc_sli4_sge_dif_optx, diseed, txop); + bf_set(lpfc_sli4_sge_dif_oprx, diseed, rxop); + bf_set(lpfc_sli4_sge_dif_ce, diseed, checking); + bf_set(lpfc_sli4_sge_dif_re, diseed, checking); + bf_set(lpfc_sli4_sge_dif_ai, diseed, 1); + bf_set(lpfc_sli4_sge_dif_me, diseed, 0); + + /* Endianness conversion if necessary for DISEED */ + diseed->word2 = cpu_to_le32(diseed->word2); + diseed->word3 = cpu_to_le32(diseed->word3); + + /* advance sgl and increment bde count */ + num_sge++; + sgl++; + + /* setup the first BDE that points to protection buffer */ + protphysaddr = sg_dma_address(sgpe) + protgroup_offset; + protgroup_len = sg_dma_len(sgpe) - protgroup_offset; + + /* must be integer multiple of the DIF block length */ + BUG_ON(protgroup_len % 8); + + /* Now setup DIF SGE */ + sgl->word2 = 0; + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DIF); + sgl->addr_hi = le32_to_cpu(putPaddrHigh(protphysaddr)); + sgl->addr_lo = le32_to_cpu(putPaddrLow(protphysaddr)); + sgl->word2 = cpu_to_le32(sgl->word2); + + protgrp_blks = protgroup_len / 8; + protgrp_bytes = protgrp_blks * blksize; + + /* check if DIF SGE is crossing the 4K boundary; if so split */ + if ((sgl->addr_lo & 0xfff) + protgroup_len > 0x1000) { + protgroup_remainder = 0x1000 - (sgl->addr_lo & 0xfff); + protgroup_offset += protgroup_remainder; + protgrp_blks = protgroup_remainder / 8; + protgrp_bytes = protgrp_blks * blksize; + } else { + protgroup_offset = 0; + curr_prot++; + } + + num_sge++; + + /* setup SGE's for data blocks associated with DIF data */ + pgdone = 0; + subtotal = 0; /* total bytes processed for current prot grp */ + while (!pgdone) { + if (!sgde) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9086 BLKGRD:%s Invalid data segment\n", + __func__); + return 0; + } + sgl++; + dataphysaddr = sg_dma_address(sgde) + split_offset; + + remainder = sg_dma_len(sgde) - split_offset; + + if ((subtotal + remainder) <= protgrp_bytes) { + /* we can use this whole buffer */ + dma_len = remainder; + split_offset = 0; + + if ((subtotal + remainder) == protgrp_bytes) + pgdone = 1; + } else { + /* must split this buffer with next prot grp */ + dma_len = protgrp_bytes - subtotal; + split_offset += dma_len; + } + + subtotal += dma_len; + + sgl->addr_lo = cpu_to_le32(putPaddrLow(dataphysaddr)); + sgl->addr_hi = cpu_to_le32(putPaddrHigh(dataphysaddr)); + bf_set(lpfc_sli4_sge_last, sgl, 0); + bf_set(lpfc_sli4_sge_offset, sgl, dma_offset); + bf_set(lpfc_sli4_sge_type, sgl, LPFC_SGE_TYPE_DATA); + + sgl->sge_len = cpu_to_le32(dma_len); + dma_offset += dma_len; + + num_sge++; + curr_data++; + + if (split_offset) + break; + + /* Move to the next s/g segment if possible */ + sgde = sg_next(sgde); + } + + if (protgroup_offset) { + /* update the reference tag */ + reftag += protgrp_blks; + sgl++; + continue; + } + + /* are we done ? */ + if (curr_prot == protcnt) { + bf_set(lpfc_sli4_sge_last, sgl, 1); + alldone = 1; + } else if (curr_prot < protcnt) { + /* advance to next prot buffer */ + sgpe = sg_next(sgpe); + sgl++; + + /* update the reference tag */ + reftag += protgrp_blks; + } else { + /* if we're here, we have a bug */ + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9085 BLKGRD: bug in %s\n", __func__); + } + + } while (!alldone); + +out: + + return num_sge; +} + +/** + * lpfc_prot_group_type - Get prtotection group type of SCSI command + * @phba: The Hba for which this call is being executed. + * @sc: pointer to scsi command we're working on + * * Given a SCSI command that supports DIF, determine composition of protection * groups involved in setting up buffer lists * - * Returns: - * for DIF (for both read and write) - * */ + * Returns: Protection group type (with or without DIF) + * + **/ static int lpfc_prot_group_type(struct lpfc_hba *phba, struct scsi_cmnd *sc) { @@ -1885,13 +2590,17 @@ lpfc_prot_group_type(struct lpfc_hba *phba, struct scsi_cmnd *sc) return ret; } -/* +/** + * lpfc_bg_scsi_prep_dma_buf_s3 - DMA mapping for scsi buffer to SLI3 IF spec + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be prep'ed. + * * This is the protection/DIF aware version of * lpfc_scsi_prep_dma_buf(). It may be a good idea to combine the * two functions eventually, but for now, it's here - */ + **/ static int -lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba, +lpfc_bg_scsi_prep_dma_buf_s3(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) { struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; @@ -2147,7 +2856,21 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd, cmd->sense_buffer[8] = 0; /* Information descriptor type */ cmd->sense_buffer[9] = 0xa; /* Additional descriptor length */ cmd->sense_buffer[10] = 0x80; /* Validity bit */ - bghm /= cmd->device->sector_size; + + /* bghm is a "on the wire" FC frame based count */ + switch (scsi_get_prot_op(cmd)) { + case SCSI_PROT_READ_INSERT: + case SCSI_PROT_WRITE_STRIP: + bghm /= cmd->device->sector_size; + break; + case SCSI_PROT_READ_STRIP: + case SCSI_PROT_WRITE_INSERT: + case SCSI_PROT_READ_PASS: + case SCSI_PROT_WRITE_PASS: + bghm /= (cmd->device->sector_size + + sizeof(struct scsi_dif_tuple)); + break; + } failing_sector = scsi_get_lba(cmd); failing_sector += bghm; @@ -2160,7 +2883,7 @@ lpfc_parse_bg_err(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd, /* No error was reported - problem in FW? */ cmd->result = ScsiResult(DID_ERROR, 0); lpfc_printf_log(phba, KERN_ERR, LOG_BG, - "9057 BLKGRD: no errors reported!\n"); + "9057 BLKGRD: Unknown error reported!\n"); } out: @@ -2292,6 +3015,180 @@ lpfc_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** + * lpfc_bg_scsi_adjust_dl - Adjust SCSI data length for BlockGuard + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be adjusted. + * + * Adjust the data length to account for how much data + * is actually on the wire. + * + * returns the adjusted data length + **/ +static int +lpfc_bg_scsi_adjust_dl(struct lpfc_hba *phba, + struct lpfc_scsi_buf *lpfc_cmd) +{ + struct scsi_cmnd *sc = lpfc_cmd->pCmd; + int diflen, fcpdl; + unsigned blksize; + + fcpdl = scsi_bufflen(sc); + + /* Check if there is protection data on the wire */ + if (sc->sc_data_direction == DMA_FROM_DEVICE) { + /* Read */ + if (scsi_get_prot_op(sc) == SCSI_PROT_READ_INSERT) + return fcpdl; + + } else { + /* Write */ + if (scsi_get_prot_op(sc) == SCSI_PROT_WRITE_STRIP) + return fcpdl; + } + + /* If protection data on the wire, adjust the count accordingly */ + blksize = lpfc_cmd_blksize(sc); + diflen = (fcpdl / blksize) * 8; + fcpdl += diflen; + return fcpdl; +} + +/** + * lpfc_bg_scsi_prep_dma_buf_s4 - DMA mapping for scsi buffer to SLI4 IF spec + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be mapped. + * + * This is the protection/DIF aware version of + * lpfc_scsi_prep_dma_buf(). It may be a good idea to combine the + * two functions eventually, but for now, it's here + **/ +static int +lpfc_bg_scsi_prep_dma_buf_s4(struct lpfc_hba *phba, + struct lpfc_scsi_buf *lpfc_cmd) +{ + struct scsi_cmnd *scsi_cmnd = lpfc_cmd->pCmd; + struct fcp_cmnd *fcp_cmnd = lpfc_cmd->fcp_cmnd; + struct sli4_sge *sgl = (struct sli4_sge *)(lpfc_cmd->fcp_bpl); + IOCB_t *iocb_cmd = &lpfc_cmd->cur_iocbq.iocb; + uint32_t num_bde = 0; + int datasegcnt, protsegcnt, datadir = scsi_cmnd->sc_data_direction; + int prot_group_type = 0; + int fcpdl; + + /* + * Start the lpfc command prep by bumping the sgl beyond fcp_cmnd + * fcp_rsp regions to the first data bde entry + */ + if (scsi_sg_count(scsi_cmnd)) { + /* + * The driver stores the segment count returned from pci_map_sg + * because this a count of dma-mappings used to map the use_sg + * pages. They are not guaranteed to be the same for those + * architectures that implement an IOMMU. + */ + datasegcnt = dma_map_sg(&phba->pcidev->dev, + scsi_sglist(scsi_cmnd), + scsi_sg_count(scsi_cmnd), datadir); + if (unlikely(!datasegcnt)) + return 1; + + sgl += 1; + /* clear the last flag in the fcp_rsp map entry */ + sgl->word2 = le32_to_cpu(sgl->word2); + bf_set(lpfc_sli4_sge_last, sgl, 0); + sgl->word2 = cpu_to_le32(sgl->word2); + + sgl += 1; + lpfc_cmd->seg_cnt = datasegcnt; + if (lpfc_cmd->seg_cnt > phba->cfg_sg_seg_cnt) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9087 BLKGRD: %s: Too many sg segments" + " from dma_map_sg. Config %d, seg_cnt" + " %d\n", + __func__, phba->cfg_sg_seg_cnt, + lpfc_cmd->seg_cnt); + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + prot_group_type = lpfc_prot_group_type(phba, scsi_cmnd); + + switch (prot_group_type) { + case LPFC_PG_TYPE_NO_DIF: + num_bde = lpfc_bg_setup_sgl(phba, scsi_cmnd, sgl, + datasegcnt); + /* we should have 2 or more entries in buffer list */ + if (num_bde < 2) + goto err; + break; + case LPFC_PG_TYPE_DIF_BUF:{ + /* + * This type indicates that protection buffers are + * passed to the driver, so that needs to be prepared + * for DMA + */ + protsegcnt = dma_map_sg(&phba->pcidev->dev, + scsi_prot_sglist(scsi_cmnd), + scsi_prot_sg_count(scsi_cmnd), datadir); + if (unlikely(!protsegcnt)) { + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + lpfc_cmd->prot_seg_cnt = protsegcnt; + if (lpfc_cmd->prot_seg_cnt + > phba->cfg_prot_sg_seg_cnt) { + lpfc_printf_log(phba, KERN_ERR, LOG_BG, + "9088 BLKGRD: %s: Too many prot sg " + "segments from dma_map_sg. Config %d," + "prot_seg_cnt %d\n", __func__, + phba->cfg_prot_sg_seg_cnt, + lpfc_cmd->prot_seg_cnt); + dma_unmap_sg(&phba->pcidev->dev, + scsi_prot_sglist(scsi_cmnd), + scsi_prot_sg_count(scsi_cmnd), + datadir); + scsi_dma_unmap(scsi_cmnd); + return 1; + } + + num_bde = lpfc_bg_setup_sgl_prot(phba, scsi_cmnd, sgl, + datasegcnt, protsegcnt); + /* we should have 3 or more entries in buffer list */ + if (num_bde < 3) + goto err; + break; + } + case LPFC_PG_TYPE_INVALID: + default: + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9083 Unexpected protection group %i\n", + prot_group_type); + return 1; + } + } + + fcpdl = lpfc_bg_scsi_adjust_dl(phba, lpfc_cmd); + + fcp_cmnd->fcpDl = be32_to_cpu(fcpdl); + + /* + * Due to difference in data length between DIF/non-DIF paths, + * we need to set word 4 of IOCB here + */ + iocb_cmd->un.fcpi.fcpi_parm = fcpdl; + lpfc_cmd->cur_iocbq.iocb_flag |= LPFC_IO_DIF; + + return 0; +err: + lpfc_printf_log(phba, KERN_ERR, LOG_FCP, + "9084 Could not setup all needed BDE's" + "prot_group_type=%d, num_bde=%d\n", + prot_group_type, num_bde); + return 1; +} + +/** * lpfc_scsi_prep_dma_buf - Wrapper function for DMA mapping of scsi buffer * @phba: The Hba for which this call is being executed. * @lpfc_cmd: The scsi buffer which is going to be mapped. @@ -2310,6 +3207,25 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) } /** + * lpfc_bg_scsi_prep_dma_buf - Wrapper function for DMA mapping of scsi buffer + * using BlockGuard. + * @phba: The Hba for which this call is being executed. + * @lpfc_cmd: The scsi buffer which is going to be mapped. + * + * This routine wraps the actual DMA mapping function pointer from the + * lpfc_hba struct. + * + * Return codes: + * 1 - Error + * 0 - Success + **/ +static inline int +lpfc_bg_scsi_prep_dma_buf(struct lpfc_hba *phba, struct lpfc_scsi_buf *lpfc_cmd) +{ + return phba->lpfc_bg_scsi_prep_dma_buf(phba, lpfc_cmd); +} + +/** * lpfc_send_scsi_error_event - Posts an event when there is SCSI error * @phba: Pointer to hba context object. * @vport: Pointer to vport object. @@ -2639,6 +3555,37 @@ lpfc_scsi_cmd_iocb_cmpl(struct lpfc_hba *phba, struct lpfc_iocbq *pIocbIn, /* pick up SLI4 exhange busy status from HBA */ lpfc_cmd->exch_busy = pIocbOut->iocb_flag & LPFC_EXCHANGE_BUSY; +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + if (lpfc_cmd->prot_data_type) { + struct scsi_dif_tuple *src = NULL; + + src = (struct scsi_dif_tuple *)lpfc_cmd->prot_data_segment; + /* + * Used to restore any changes to protection + * data for error injection. + */ + switch (lpfc_cmd->prot_data_type) { + case LPFC_INJERR_REFTAG: + src->ref_tag = + lpfc_cmd->prot_data; + break; + case LPFC_INJERR_APPTAG: + src->app_tag = + (uint16_t)lpfc_cmd->prot_data; + break; + case LPFC_INJERR_GUARD: + src->guard_tag = + (uint16_t)lpfc_cmd->prot_data; + break; + default: + break; + } + + lpfc_cmd->prot_data = 0; + lpfc_cmd->prot_data_type = 0; + lpfc_cmd->prot_data_segment = NULL; + } +#endif if (pnode && NLP_CHK_NODE_ACT(pnode)) atomic_dec(&pnode->cmd_pending); @@ -3072,12 +4019,14 @@ lpfc_scsi_api_table_setup(struct lpfc_hba *phba, uint8_t dev_grp) case LPFC_PCI_DEV_LP: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s3; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s3; + phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s3; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s3; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s3; break; case LPFC_PCI_DEV_OC: phba->lpfc_new_scsi_buf = lpfc_new_scsi_buf_s4; phba->lpfc_scsi_prep_dma_buf = lpfc_scsi_prep_dma_buf_s4; + phba->lpfc_bg_scsi_prep_dma_buf = lpfc_bg_scsi_prep_dma_buf_s4; phba->lpfc_release_scsi_buf = lpfc_release_scsi_buf_s4; phba->lpfc_get_scsi_buf = lpfc_get_scsi_buf_s4; break; @@ -3238,20 +4187,10 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) cmnd->result = err; goto out_fail_command; } - /* - * Do not let the mid-layer retry I/O too fast. If an I/O is retried - * without waiting a bit then indicate that the device is busy. - */ - if (cmnd->retries && - time_before(jiffies, (cmnd->jiffies_at_alloc + - msecs_to_jiffies(LPFC_RETRY_PAUSE * - cmnd->retries)))) - return SCSI_MLQUEUE_DEVICE_BUSY; ndlp = rdata->pnode; if ((scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) && - (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED) || - (phba->sli_rev == LPFC_SLI_REV4))) { + (!(phba->sli3_options & LPFC_SLI3_BG_ENABLED))) { lpfc_printf_log(phba, KERN_ERR, LOG_BG, "9058 BLKGRD: ERROR: rcvd protected cmd:%02x" @@ -3297,63 +4236,48 @@ lpfc_queuecommand_lck(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *)) if (scsi_get_prot_op(cmnd) != SCSI_PROT_NORMAL) { if (vport->phba->cfg_enable_bg) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9033 BLKGRD: rcvd protected cmd:%02x op:%02x " - "str=%s\n", - cmnd->cmnd[0], scsi_get_prot_op(cmnd), - dif_op_str[scsi_get_prot_op(cmnd)]); - lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9034 BLKGRD: CDB: %02x %02x %02x %02x %02x " - "%02x %02x %02x %02x %02x\n", - cmnd->cmnd[0], cmnd->cmnd[1], cmnd->cmnd[2], - cmnd->cmnd[3], cmnd->cmnd[4], cmnd->cmnd[5], - cmnd->cmnd[6], cmnd->cmnd[7], cmnd->cmnd[8], - cmnd->cmnd[9]); + "9033 BLKGRD: rcvd protected cmd:%02x op=%s " + "guard=%s\n", cmnd->cmnd[0], + dif_op_str[scsi_get_prot_op(cmnd)], + dif_grd_str[scsi_host_get_guard(shost)]); if (cmnd->cmnd[0] == READ_10) lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, "9035 BLKGRD: READ @ sector %llu, " - "count %u\n", + "cnt %u, rpt %d\n", (unsigned long long)scsi_get_lba(cmnd), - blk_rq_sectors(cmnd->request)); + blk_rq_sectors(cmnd->request), + (cmnd->cmnd[1]>>5)); else if (cmnd->cmnd[0] == WRITE_10) lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, "9036 BLKGRD: WRITE @ sector %llu, " - "count %u cmd=%p\n", + "cnt %u, wpt %d\n", (unsigned long long)scsi_get_lba(cmnd), blk_rq_sectors(cmnd->request), - cmnd); + (cmnd->cmnd[1]>>5)); } err = lpfc_bg_scsi_prep_dma_buf(phba, lpfc_cmd); } else { if (vport->phba->cfg_enable_bg) { lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9038 BLKGRD: rcvd unprotected cmd:" - "%02x op:%02x str=%s\n", - cmnd->cmnd[0], scsi_get_prot_op(cmnd), - dif_op_str[scsi_get_prot_op(cmnd)]); - lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9039 BLKGRD: CDB: %02x %02x %02x " - "%02x %02x %02x %02x %02x %02x %02x\n", - cmnd->cmnd[0], cmnd->cmnd[1], - cmnd->cmnd[2], cmnd->cmnd[3], - cmnd->cmnd[4], cmnd->cmnd[5], - cmnd->cmnd[6], cmnd->cmnd[7], - cmnd->cmnd[8], cmnd->cmnd[9]); + "9038 BLKGRD: rcvd unprotected cmd:" + "%02x op=%s guard=%s\n", cmnd->cmnd[0], + dif_op_str[scsi_get_prot_op(cmnd)], + dif_grd_str[scsi_host_get_guard(shost)]); if (cmnd->cmnd[0] == READ_10) lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, "9040 dbg: READ @ sector %llu, " - "count %u\n", + "cnt %u, rpt %d\n", (unsigned long long)scsi_get_lba(cmnd), - blk_rq_sectors(cmnd->request)); + blk_rq_sectors(cmnd->request), + (cmnd->cmnd[1]>>5)); else if (cmnd->cmnd[0] == WRITE_10) lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9041 dbg: WRITE @ sector %llu, " - "count %u cmd=%p\n", - (unsigned long long)scsi_get_lba(cmnd), - blk_rq_sectors(cmnd->request), cmnd); - else - lpfc_printf_vlog(vport, KERN_WARNING, LOG_BG, - "9042 dbg: parser not implemented\n"); + "9041 dbg: WRITE @ sector %llu, " + "cnt %u, wpt %d\n", + (unsigned long long)scsi_get_lba(cmnd), + blk_rq_sectors(cmnd->request), + (cmnd->cmnd[1]>>5)); } err = lpfc_scsi_prep_dma_buf(phba, lpfc_cmd); } diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h index 9075a08cf78..21a2ffe67ea 100644 --- a/drivers/scsi/lpfc/lpfc_scsi.h +++ b/drivers/scsi/lpfc/lpfc_scsi.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2006 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -150,9 +150,18 @@ struct lpfc_scsi_buf { struct lpfc_iocbq cur_iocbq; wait_queue_head_t *waitq; unsigned long start_time; + +#ifdef CONFIG_SCSI_LPFC_DEBUG_FS + /* Used to restore any changes to protection data for error injection */ + void *prot_data_segment; + uint32_t prot_data; + uint32_t prot_data_type; +#define LPFC_INJERR_REFTAG 1 +#define LPFC_INJERR_APPTAG 2 +#define LPFC_INJERR_GUARD 3 +#endif }; #define LPFC_SCSI_DMA_EXT_SIZE 264 #define LPFC_BPL_SIZE 1024 -#define LPFC_RETRY_PAUSE 300 #define MDAC_DIRECT_CMD 0x22 diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 23a27592388..dbaf5b963bf 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * Portions Copyright (C) 2004-2005 Christoph Hellwig * @@ -293,7 +293,9 @@ lpfc_sli4_eq_release(struct lpfc_queue *q, bool arm) } bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_EVENT); - bf_set(lpfc_eqcq_doorbell_eqid, &doorbell, q->queue_id); + bf_set(lpfc_eqcq_doorbell_eqid_hi, &doorbell, + (q->queue_id >> LPFC_EQID_HI_FIELD_SHIFT)); + bf_set(lpfc_eqcq_doorbell_eqid_lo, &doorbell, q->queue_id); writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); /* PCI read to flush PCI pipeline on re-arming for INTx mode */ if ((q->phba->intr_type == INTx) && (arm == LPFC_QUEUE_REARM)) @@ -372,7 +374,9 @@ lpfc_sli4_cq_release(struct lpfc_queue *q, bool arm) bf_set(lpfc_eqcq_doorbell_arm, &doorbell, 1); bf_set(lpfc_eqcq_doorbell_num_released, &doorbell, released); bf_set(lpfc_eqcq_doorbell_qt, &doorbell, LPFC_QUEUE_TYPE_COMPLETION); - bf_set(lpfc_eqcq_doorbell_cqid, &doorbell, q->queue_id); + bf_set(lpfc_eqcq_doorbell_cqid_hi, &doorbell, + (q->queue_id >> LPFC_CQID_HI_FIELD_SHIFT)); + bf_set(lpfc_eqcq_doorbell_cqid_lo, &doorbell, q->queue_id); writel(doorbell.word0, q->phba->sli4_hba.EQCQDBregaddr); return released; } @@ -554,81 +558,6 @@ __lpfc_get_active_sglq(struct lpfc_hba *phba, uint16_t xritag) } /** - * __lpfc_set_rrq_active - set RRQ active bit in the ndlp's xri_bitmap. - * @phba: Pointer to HBA context object. - * @ndlp: nodelist pointer for this target. - * @xritag: xri used in this exchange. - * @rxid: Remote Exchange ID. - * @send_rrq: Flag used to determine if we should send rrq els cmd. - * - * This function is called with hbalock held. - * The active bit is set in the ndlp's active rrq xri_bitmap. Allocates an - * rrq struct and adds it to the active_rrq_list. - * - * returns 0 for rrq slot for this xri - * < 0 Were not able to get rrq mem or invalid parameter. - **/ -static int -__lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, - uint16_t xritag, uint16_t rxid, uint16_t send_rrq) -{ - struct lpfc_node_rrq *rrq; - int empty; - uint32_t did = 0; - - - if (!ndlp) - return -EINVAL; - - if (!phba->cfg_enable_rrq) - return -EINVAL; - - if (phba->pport->load_flag & FC_UNLOADING) { - phba->hba_flag &= ~HBA_RRQ_ACTIVE; - goto out; - } - did = ndlp->nlp_DID; - - /* - * set the active bit even if there is no mem available. - */ - if (NLP_CHK_FREE_REQ(ndlp)) - goto out; - - if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) - goto out; - - if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap)) - goto out; - - rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); - if (rrq) { - rrq->send_rrq = send_rrq; - rrq->xritag = xritag; - rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); - rrq->ndlp = ndlp; - rrq->nlp_DID = ndlp->nlp_DID; - rrq->vport = ndlp->vport; - rrq->rxid = rxid; - empty = list_empty(&phba->active_rrq_list); - rrq->send_rrq = send_rrq; - list_add_tail(&rrq->list, &phba->active_rrq_list); - if (!(phba->hba_flag & HBA_RRQ_ACTIVE)) { - phba->hba_flag |= HBA_RRQ_ACTIVE; - if (empty) - lpfc_worker_wake_up(phba); - } - return 0; - } -out: - lpfc_printf_log(phba, KERN_INFO, LOG_SLI, - "2921 Can't set rrq active xri:0x%x rxid:0x%x" - " DID:0x%x Send:%d\n", - xritag, rxid, did, send_rrq); - return -EINVAL; -} - -/** * lpfc_clr_rrq_active - Clears RRQ active bit in xri_bitmap. * @phba: Pointer to HBA context object. * @xritag: xri used in this exchange. @@ -856,15 +785,68 @@ lpfc_test_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, **/ int lpfc_set_rrq_active(struct lpfc_hba *phba, struct lpfc_nodelist *ndlp, - uint16_t xritag, uint16_t rxid, uint16_t send_rrq) + uint16_t xritag, uint16_t rxid, uint16_t send_rrq) { - int ret; unsigned long iflags; + struct lpfc_node_rrq *rrq; + int empty; + + if (!ndlp) + return -EINVAL; + + if (!phba->cfg_enable_rrq) + return -EINVAL; + + spin_lock_irqsave(&phba->hbalock, iflags); + if (phba->pport->load_flag & FC_UNLOADING) { + phba->hba_flag &= ~HBA_RRQ_ACTIVE; + goto out; + } + /* + * set the active bit even if there is no mem available. + */ + if (NLP_CHK_FREE_REQ(ndlp)) + goto out; + + if (ndlp->vport && (ndlp->vport->load_flag & FC_UNLOADING)) + goto out; + + if (test_and_set_bit(xritag, ndlp->active_rrqs.xri_bitmap)) + goto out; + + spin_unlock_irqrestore(&phba->hbalock, iflags); + rrq = mempool_alloc(phba->rrq_pool, GFP_KERNEL); + if (!rrq) { + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "3155 Unable to allocate RRQ xri:0x%x rxid:0x%x" + " DID:0x%x Send:%d\n", + xritag, rxid, ndlp->nlp_DID, send_rrq); + return -EINVAL; + } + rrq->send_rrq = send_rrq; + rrq->xritag = xritag; + rrq->rrq_stop_time = jiffies + HZ * (phba->fc_ratov + 1); + rrq->ndlp = ndlp; + rrq->nlp_DID = ndlp->nlp_DID; + rrq->vport = ndlp->vport; + rrq->rxid = rxid; + rrq->send_rrq = send_rrq; spin_lock_irqsave(&phba->hbalock, iflags); - ret = __lpfc_set_rrq_active(phba, ndlp, xritag, rxid, send_rrq); + empty = list_empty(&phba->active_rrq_list); + list_add_tail(&rrq->list, &phba->active_rrq_list); + phba->hba_flag |= HBA_RRQ_ACTIVE; + if (empty) + lpfc_worker_wake_up(phba); spin_unlock_irqrestore(&phba->hbalock, iflags); - return ret; + return 0; +out: + spin_unlock_irqrestore(&phba->hbalock, iflags); + lpfc_printf_log(phba, KERN_INFO, LOG_SLI, + "2921 Can't set rrq active xri:0x%x rxid:0x%x" + " DID:0x%x Send:%d\n", + xritag, rxid, ndlp->nlp_DID, send_rrq); + return -EINVAL; } /** @@ -5629,6 +5611,8 @@ lpfc_sli4_alloc_resource_identifiers(struct lpfc_hba *phba) rc = -ENOMEM; goto free_vpi_ids; } + phba->sli4_hba.max_cfg_param.xri_used = 0; + phba->sli4_hba.xri_count = 0; phba->sli4_hba.xri_ids = kzalloc(count * sizeof(uint16_t), GFP_KERNEL); @@ -6163,6 +6147,7 @@ lpfc_sli4_hba_setup(struct lpfc_hba *phba) rc = -ENODEV; goto out_free_mbox; } + lpfc_sli4_node_prep(phba); /* Create all the SLI4 queues */ rc = lpfc_sli4_queue_create(phba); @@ -7267,11 +7252,13 @@ lpfc_sli4_post_async_mbox(struct lpfc_hba *phba) out_not_finished: spin_lock_irqsave(&phba->hbalock, iflags); - mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; - __lpfc_mbox_cmpl_put(phba, mboxq); - /* Release the token */ - psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; - phba->sli.mbox_active = NULL; + if (phba->sli.mbox_active) { + mboxq->u.mb.mbxStatus = MBX_NOT_FINISHED; + __lpfc_mbox_cmpl_put(phba, mboxq); + /* Release the token */ + psli->sli_flag &= ~LPFC_SLI_MBOX_ACTIVE; + phba->sli.mbox_active = NULL; + } spin_unlock_irqrestore(&phba->hbalock, iflags); return MBX_NOT_FINISHED; @@ -7555,6 +7542,8 @@ lpfc_sli4_bpl2sgl(struct lpfc_hba *phba, struct lpfc_iocbq *piocbq, sgl = (struct sli4_sge *)sglq->sgl; icmd = &piocbq->iocb; + if (icmd->ulpCommand == CMD_XMIT_BLS_RSP64_CX) + return sglq->sli4_xritag; if (icmd->un.genreq64.bdl.bdeFlags == BUFF_TYPE_BLP_64) { numBdes = icmd->un.genreq64.bdl.bdeSize / sizeof(struct ulp_bde64); @@ -7756,6 +7745,8 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, if (if_type == LPFC_SLI_INTF_IF_TYPE_2) { if (pcmd && (*pcmd == ELS_CMD_FLOGI || *pcmd == ELS_CMD_SCR || + *pcmd == ELS_CMD_FDISC || + *pcmd == ELS_CMD_LOGO || *pcmd == ELS_CMD_PLOGI)) { bf_set(els_req64_sp, &wqe->els_req, 1); bf_set(els_req64_sid, &wqe->els_req, @@ -7763,7 +7754,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_ct, &wqe->els_req.wqe_com, 1); bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, phba->vpi_ids[phba->pport->vpi]); - } else if (iocbq->context1) { + } else if (pcmd && iocbq->context1) { bf_set(wqe_ct, &wqe->els_req.wqe_com, 0); bf_set(wqe_ctxt_tag, &wqe->els_req.wqe_com, phba->sli4_hba.rpi_ids[ndlp->nlp_rpi]); @@ -7830,12 +7821,16 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lnk, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpXS); /* Always open the exchange */ bf_set(wqe_xc, &wqe->fcp_iwrite.wqe_com, 0); - bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); bf_set(wqe_iod, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_IOD_WRITE); bf_set(wqe_lenloc, &wqe->fcp_iwrite.wqe_com, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iwrite.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iwrite.wqe_com, iocbq->iocb.ulpPU); + if (iocbq->iocb_flag & LPFC_IO_DIF) { + iocbq->iocb_flag &= ~LPFC_IO_DIF; + bf_set(wqe_dif, &wqe->generic.wqe_com, 1); + } + bf_set(wqe_dbde, &wqe->fcp_iwrite.wqe_com, 1); break; case CMD_FCP_IREAD64_CR: /* word3 iocb=iotag wqe=payload_offset_len */ @@ -7849,12 +7844,16 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, bf_set(wqe_lnk, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpXS); /* Always open the exchange */ bf_set(wqe_xc, &wqe->fcp_iread.wqe_com, 0); - bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); bf_set(wqe_iod, &wqe->fcp_iread.wqe_com, LPFC_WQE_IOD_READ); bf_set(wqe_lenloc, &wqe->fcp_iread.wqe_com, LPFC_WQE_LENLOC_WORD4); bf_set(wqe_ebde_cnt, &wqe->fcp_iread.wqe_com, 0); bf_set(wqe_pu, &wqe->fcp_iread.wqe_com, iocbq->iocb.ulpPU); + if (iocbq->iocb_flag & LPFC_IO_DIF) { + iocbq->iocb_flag &= ~LPFC_IO_DIF; + bf_set(wqe_dif, &wqe->generic.wqe_com, 1); + } + bf_set(wqe_dbde, &wqe->fcp_iread.wqe_com, 1); break; case CMD_FCP_ICMND64_CR: /* word3 iocb=IO_TAG wqe=reserved */ @@ -7982,6 +7981,7 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, xritag = 0; break; case CMD_XMIT_BLS_RSP64_CX: + ndlp = (struct lpfc_nodelist *)iocbq->context1; /* As BLS ABTS RSP WQE is very different from other WQEs, * we re-construct this WQE here based on information in * iocbq from scratch. @@ -8008,8 +8008,15 @@ lpfc_sli4_iocb2wqe(struct lpfc_hba *phba, struct lpfc_iocbq *iocbq, } bf_set(xmit_bls_rsp64_seqcnthi, &wqe->xmit_bls_rsp, 0xffff); bf_set(wqe_xmit_bls_pt, &wqe->xmit_bls_rsp.wqe_dest, 0x1); + + /* Use CT=VPI */ + bf_set(wqe_els_did, &wqe->xmit_bls_rsp.wqe_dest, + ndlp->nlp_DID); + bf_set(xmit_bls_rsp64_temprpi, &wqe->xmit_bls_rsp, + iocbq->iocb.ulpContext); + bf_set(wqe_ct, &wqe->xmit_bls_rsp.wqe_com, 1); bf_set(wqe_ctxt_tag, &wqe->xmit_bls_rsp.wqe_com, - iocbq->iocb.ulpContext); + phba->vpi_ids[phba->pport->vpi]); bf_set(wqe_qosd, &wqe->xmit_bls_rsp.wqe_com, 1); bf_set(wqe_lenloc, &wqe->xmit_bls_rsp.wqe_com, LPFC_WQE_LENLOC_NONE); @@ -8073,8 +8080,7 @@ __lpfc_sli_issue_iocb_s4(struct lpfc_hba *phba, uint32_t ring_number, if (piocb->sli4_xritag == NO_XRI) { if (piocb->iocb.ulpCommand == CMD_ABORT_XRI_CN || - piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN || - piocb->iocb.ulpCommand == CMD_XMIT_BLS_RSP64_CX) + piocb->iocb.ulpCommand == CMD_CLOSE_XRI_CN) sglq = NULL; else { if (pring->txq_cnt) { @@ -8383,20 +8389,32 @@ lpfc_sli4_abts_err_handler(struct lpfc_hba *phba, struct sli4_wcqe_xri_aborted *axri) { struct lpfc_vport *vport; + uint32_t ext_status = 0; - if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) + if (!ndlp || !NLP_CHK_NODE_ACT(ndlp)) { lpfc_printf_log(phba, KERN_INFO, LOG_SLI, "3115 Node Context not found, driver " "ignoring abts err event\n"); + return; + } + vport = ndlp->vport; lpfc_printf_log(phba, KERN_WARNING, LOG_SLI, "3116 Port generated FCP XRI ABORT event on " - "vpi %d rpi %d xri x%x status 0x%x\n", + "vpi %d rpi %d xri x%x status 0x%x parameter x%x\n", ndlp->vport->vpi, ndlp->nlp_rpi, bf_get(lpfc_wcqe_xa_xri, axri), - bf_get(lpfc_wcqe_xa_status, axri)); + bf_get(lpfc_wcqe_xa_status, axri), + axri->parameter); - if (bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) + /* + * Catch the ABTS protocol failure case. Older OCe FW releases returned + * LOCAL_REJECT and 0 for a failed ABTS exchange and later OCe and + * LPe FW releases returned LOCAL_REJECT and SEQUENCE_TIMEOUT. + */ + ext_status = axri->parameter & WCQE_PARAM_MASK; + if ((bf_get(lpfc_wcqe_xa_status, axri) == IOSTAT_LOCAL_REJECT) && + ((ext_status == IOERR_SEQUENCE_TIMEOUT) || (ext_status == 0))) lpfc_sli_abts_recover_port(vport, ndlp); } @@ -9802,12 +9820,11 @@ lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba) unsigned long timeout; timeout = msecs_to_jiffies(LPFC_MBOX_TMO * 1000) + jiffies; + spin_lock_irq(&phba->hbalock); psli->sli_flag |= LPFC_SLI_ASYNC_MBX_BLK; - spin_unlock_irq(&phba->hbalock); if (psli->sli_flag & LPFC_SLI_ACTIVE) { - spin_lock_irq(&phba->hbalock); /* Determine how long we might wait for the active mailbox * command to be gracefully completed by firmware. */ @@ -9826,7 +9843,9 @@ lpfc_sli_mbox_sys_shutdown(struct lpfc_hba *phba) */ break; } - } + } else + spin_unlock_irq(&phba->hbalock); + lpfc_sli_mbox_sys_flush(phba); } @@ -10653,12 +10672,14 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, struct lpfc_wcqe_complete *wcqe) { unsigned long iflags; + uint32_t status; size_t offset = offsetof(struct lpfc_iocbq, iocb); memcpy((char *)pIocbIn + offset, (char *)pIocbOut + offset, sizeof(struct lpfc_iocbq) - offset); /* Map WCQE parameters into irspiocb parameters */ - pIocbIn->iocb.ulpStatus = bf_get(lpfc_wcqe_c_status, wcqe); + status = bf_get(lpfc_wcqe_c_status, wcqe); + pIocbIn->iocb.ulpStatus = (status & LPFC_IOCB_STATUS_MASK); if (pIocbOut->iocb_flag & LPFC_IO_FCP) if (pIocbIn->iocb.ulpStatus == IOSTAT_FCP_RSP_ERROR) pIocbIn->iocb.un.fcpi.fcpi_parm = @@ -10671,6 +10692,44 @@ lpfc_sli4_iocb_param_transfer(struct lpfc_hba *phba, pIocbIn->iocb.un.genreq64.bdl.bdeSize = wcqe->total_data_placed; } + /* Convert BG errors for completion status */ + if (status == CQE_STATUS_DI_ERROR) { + pIocbIn->iocb.ulpStatus = IOSTAT_LOCAL_REJECT; + + if (bf_get(lpfc_wcqe_c_bg_edir, wcqe)) + pIocbIn->iocb.un.ulpWord[4] = IOERR_RX_DMA_FAILED; + else + pIocbIn->iocb.un.ulpWord[4] = IOERR_TX_DMA_FAILED; + + pIocbIn->iocb.unsli3.sli3_bg.bgstat = 0; + if (bf_get(lpfc_wcqe_c_bg_ge, wcqe)) /* Guard Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_GUARD_ERR_MASK; + if (bf_get(lpfc_wcqe_c_bg_ae, wcqe)) /* App Tag Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_APPTAG_ERR_MASK; + if (bf_get(lpfc_wcqe_c_bg_re, wcqe)) /* Ref Tag Check failed */ + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_REFTAG_ERR_MASK; + + /* Check to see if there was any good data before the error */ + if (bf_get(lpfc_wcqe_c_bg_tdpv, wcqe)) { + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + BGS_HI_WATER_MARK_PRESENT_MASK; + pIocbIn->iocb.unsli3.sli3_bg.bghm = + wcqe->total_data_placed; + } + + /* + * Set ALL the error bits to indicate we don't know what + * type of error it is. + */ + if (!pIocbIn->iocb.unsli3.sli3_bg.bgstat) + pIocbIn->iocb.unsli3.sli3_bg.bgstat |= + (BGS_REFTAG_ERR_MASK | BGS_APPTAG_ERR_MASK | + BGS_GUARD_ERR_MASK); + } + /* Pick up HBA exchange busy condition */ if (bf_get(lpfc_wcqe_c_xb, wcqe)) { spin_lock_irqsave(&phba->hbalock, iflags); @@ -13227,7 +13286,7 @@ lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba) LPFC_MBOXQ_t *mbox; uint32_t reqlen, alloclen, index; uint32_t mbox_tmo; - uint16_t rsrc_start, rsrc_size, els_xri_cnt; + uint16_t rsrc_start, rsrc_size, els_xri_cnt, post_els_xri_cnt; uint16_t xritag_start = 0, lxri = 0; struct lpfc_rsrc_blks *rsrc_blk; int cnt, ttl_cnt, rc = 0; @@ -13249,6 +13308,7 @@ lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba) cnt = 0; ttl_cnt = 0; + post_els_xri_cnt = els_xri_cnt; list_for_each_entry(rsrc_blk, &phba->sli4_hba.lpfc_xri_blk_list, list) { rsrc_start = rsrc_blk->rsrc_start; @@ -13258,11 +13318,12 @@ lpfc_sli4_post_els_sgl_list_ext(struct lpfc_hba *phba) "3014 Working ELS Extent start %d, cnt %d\n", rsrc_start, rsrc_size); - loop_cnt = min(els_xri_cnt, rsrc_size); - if (ttl_cnt + loop_cnt >= els_xri_cnt) { - loop_cnt = els_xri_cnt - ttl_cnt; - ttl_cnt = els_xri_cnt; - } + loop_cnt = min(post_els_xri_cnt, rsrc_size); + if (loop_cnt < post_els_xri_cnt) { + post_els_xri_cnt -= loop_cnt; + ttl_cnt += loop_cnt; + } else + ttl_cnt += post_els_xri_cnt; mbox = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mbox) @@ -14042,6 +14103,13 @@ lpfc_sli4_seq_abort_rsp_cmpl(struct lpfc_hba *phba, { if (cmd_iocbq) lpfc_sli_release_iocbq(phba, cmd_iocbq); + + /* Failure means BLS ABORT RSP did not get delivered to remote node*/ + if (rsp_iocbq && rsp_iocbq->iocb.ulpStatus) + lpfc_printf_log(phba, KERN_ERR, LOG_SLI, + "3154 BLS ABORT RSP failed, data: x%x/x%x\n", + rsp_iocbq->iocb.ulpStatus, + rsp_iocbq->iocb.un.ulpWord[4]); } /** @@ -14151,15 +14219,14 @@ lpfc_sli4_seq_abort_rsp(struct lpfc_hba *phba, * field and RX_ID from ABTS for RX_ID field. */ bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_RSP); - bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); } else { /* ABTS sent by initiator to CT exchange, construction * of BA_ACC will need to allocate a new XRI as for the - * XRI_TAG and RX_ID fields. + * XRI_TAG field. */ bf_set(lpfc_abts_orig, &icmd->un.bls_rsp, LPFC_ABTS_UNSOL_INT); - bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, NO_XRI); } + bf_set(lpfc_abts_rxid, &icmd->un.bls_rsp, rxid); bf_set(lpfc_abts_oxid, &icmd->un.bls_rsp, oxid); /* Xmit CT abts response on exchange <xid> */ @@ -14748,7 +14815,8 @@ lpfc_sli4_remove_rpis(struct lpfc_hba *phba) * provided rpi via a bitmask. **/ int -lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp) +lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp, + void (*cmpl)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *arg) { LPFC_MBOXQ_t *mboxq; struct lpfc_hba *phba = ndlp->phba; @@ -14761,6 +14829,13 @@ lpfc_sli4_resume_rpi(struct lpfc_nodelist *ndlp) /* Post all rpi memory regions to the port. */ lpfc_resume_rpi(mboxq, ndlp); + if (cmpl) { + mboxq->mbox_cmpl = cmpl; + mboxq->context1 = arg; + mboxq->context2 = ndlp; + } else + mboxq->mbox_cmpl = lpfc_sli_def_mbox_cmpl; + mboxq->vport = ndlp->vport; rc = lpfc_sli_issue_mbox(phba, mboxq, MBX_NOWAIT); if (rc == MBX_NOT_FINISHED) { lpfc_printf_log(phba, KERN_ERR, LOG_SLI, @@ -14982,6 +15057,7 @@ lpfc_sli4_fcf_scan_read_fcf_rec(struct lpfc_hba *phba, uint16_t fcf_index) LPFC_MBOXQ_t *mboxq; phba->fcoe_eventtag_at_fcf_scan = phba->fcoe_eventtag; + phba->fcoe_cvl_eventtag_attn = phba->fcoe_cvl_eventtag; mboxq = mempool_alloc(phba->mbox_mem_pool, GFP_KERNEL); if (!mboxq) { lpfc_printf_log(phba, KERN_ERR, LOG_INIT, diff --git a/drivers/scsi/lpfc/lpfc_sli.h b/drivers/scsi/lpfc/lpfc_sli.h index 29c13b63e32..3290b8e7ab6 100644 --- a/drivers/scsi/lpfc/lpfc_sli.h +++ b/drivers/scsi/lpfc/lpfc_sli.h @@ -69,6 +69,7 @@ struct lpfc_iocbq { #define LPFC_USE_FCPWQIDX 0x80 /* Submit to specified FCPWQ index */ #define DSS_SECURITY_OP 0x100 /* security IO */ #define LPFC_IO_ON_Q 0x200 /* The IO is still on the TXCMPLQ */ +#define LPFC_IO_DIF 0x400 /* T10 DIF IO */ #define LPFC_FIP_ELS_ID_MASK 0xc000 /* ELS_ID range 0-3, non-shifted mask */ #define LPFC_FIP_ELS_ID_SHIFT 14 diff --git a/drivers/scsi/lpfc/lpfc_sli4.h b/drivers/scsi/lpfc/lpfc_sli4.h index 3f266e2c54e..c19d139618b 100644 --- a/drivers/scsi/lpfc/lpfc_sli4.h +++ b/drivers/scsi/lpfc/lpfc_sli4.h @@ -633,7 +633,8 @@ void lpfc_sli4_free_rpi(struct lpfc_hba *, int); void lpfc_sli4_remove_rpis(struct lpfc_hba *); void lpfc_sli4_async_event_proc(struct lpfc_hba *); void lpfc_sli4_fcf_redisc_event_proc(struct lpfc_hba *); -int lpfc_sli4_resume_rpi(struct lpfc_nodelist *); +int lpfc_sli4_resume_rpi(struct lpfc_nodelist *, + void (*)(struct lpfc_hba *, LPFC_MBOXQ_t *), void *); void lpfc_sli4_fcp_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_els_xri_abort_event_proc(struct lpfc_hba *); void lpfc_sli4_fcp_xri_aborted(struct lpfc_hba *, diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h index dd044d01a07..25cefc254b7 100644 --- a/drivers/scsi/lpfc/lpfc_version.h +++ b/drivers/scsi/lpfc/lpfc_version.h @@ -1,7 +1,7 @@ /******************************************************************* * This file is part of the Emulex Linux Device Driver for * * Fibre Channel Host Bus Adapters. * - * Copyright (C) 2004-2011 Emulex. All rights reserved. * + * Copyright (C) 2004-2012 Emulex. All rights reserved. * * EMULEX and SLI are trademarks of Emulex. * * www.emulex.com * * * @@ -18,7 +18,7 @@ * included with this package. * *******************************************************************/ -#define LPFC_DRIVER_VERSION "8.3.28" +#define LPFC_DRIVER_VERSION "8.3.30" #define LPFC_DRIVER_NAME "lpfc" #define LPFC_SP_DRIVER_HANDLER_NAME "lpfc:sp" #define LPFC_FP_DRIVER_HANDLER_NAME "lpfc:fp" diff --git a/drivers/scsi/mac53c94.c b/drivers/scsi/mac53c94.c index e6173376605..e5cd8d8d4ce 100644 --- a/drivers/scsi/mac53c94.c +++ b/drivers/scsi/mac53c94.c @@ -22,7 +22,6 @@ #include <asm/io.h> #include <asm/pgtable.h> #include <asm/prom.h> -#include <asm/system.h> #include <asm/pci-bridge.h> #include <asm/macio.h> diff --git a/drivers/scsi/mac_scsi.c b/drivers/scsi/mac_scsi.c index 2bccfbe5661..24828b54773 100644 --- a/drivers/scsi/mac_scsi.c +++ b/drivers/scsi/mac_scsi.c @@ -43,7 +43,6 @@ #include <asm/io.h> #include <asm/irq.h> -#include <asm/system.h> #include <asm/macintosh.h> #include <asm/macints.h> diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c index 15eefa1d61f..4d39a9ffc08 100644 --- a/drivers/scsi/megaraid.c +++ b/drivers/scsi/megaraid.c @@ -670,10 +670,10 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy) struct scatterlist *sg; sg = scsi_sglist(cmd); - buf = kmap_atomic(sg_page(sg), KM_IRQ0) + sg->offset; + buf = kmap_atomic(sg_page(sg)) + sg->offset; memset(buf, 0, cmd->cmnd[4]); - kunmap_atomic(buf - sg->offset, KM_IRQ0); + kunmap_atomic(buf - sg->offset); cmd->result = (DID_OK << 16); cmd->scsi_done(cmd); diff --git a/drivers/scsi/mesh.c b/drivers/scsi/mesh.c index 49447477953..e8a04ae3276 100644 --- a/drivers/scsi/mesh.c +++ b/drivers/scsi/mesh.c @@ -33,7 +33,6 @@ #include <asm/io.h> #include <asm/pgtable.h> #include <asm/prom.h> -#include <asm/system.h> #include <asm/irq.h> #include <asm/hydra.h> #include <asm/processor.h> diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 0b2c9558366..8a59a772fdf 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -132,7 +132,7 @@ static int mpt2sas_remove_dead_ioc_func(void *arg) pdev = ioc->pdev; if ((pdev == NULL)) return -1; - pci_remove_bus_device(pdev); + pci_stop_and_remove_bus_device(pdev); return 0; } @@ -657,7 +657,7 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) return; /* eat the loginfos associated with task aborts */ - if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == + if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == 0x31140000 || log_info == 0x31130000)) return; @@ -2060,12 +2060,10 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) { int i = 0; char desc[16]; - u8 revision; u32 iounit_pg1_flags; u32 bios_version; bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); strncpy(desc, ioc->manu_pg0.ChipName, 16); printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", @@ -2074,7 +2072,7 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, ioc->facts.FWVersion.Word & 0x000000FF, - revision, + ioc->pdev->revision, (bios_version & 0xFF000000) >> 24, (bios_version & 0x00FF0000) >> 16, (bios_version & 0x0000FF00) >> 8, @@ -2575,6 +2573,11 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( GFP_KERNEL, ioc->chain_pages); + if (!ioc->chain_lookup) { + printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " + "sz(%d)\n", ioc->name, (int)sz); + goto out; + } ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, ioc->request_sz, 16, 0); if (!ioc->chain_dma_pool) { @@ -4548,7 +4551,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", ioc->name, __func__); r = 0; - goto out; + goto out_unlocked; } if (mpt2sas_fwfault_debug) @@ -4604,6 +4607,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); mutex_unlock(&ioc->reset_in_progress_mutex); + out_unlocked: dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, __func__)); return r; diff --git a/drivers/scsi/mpt2sas/mpt2sas_ctl.c b/drivers/scsi/mpt2sas/mpt2sas_ctl.c index 7fceb899029..3b9a28efea8 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_ctl.c +++ b/drivers/scsi/mpt2sas/mpt2sas_ctl.c @@ -1026,7 +1026,6 @@ _ctl_getiocinfo(void __user *arg) { struct mpt2_ioctl_iocinfo karg; struct MPT2SAS_ADAPTER *ioc; - u8 revision; if (copy_from_user(&karg, arg, sizeof(karg))) { printk(KERN_ERR "failure at %s:%d/%s()!\n", @@ -1046,8 +1045,7 @@ _ctl_getiocinfo(void __user *arg) karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; if (ioc->pfacts) karg.port_number = ioc->pfacts[0].PortNumber; - pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); - karg.hw_rev = revision; + karg.hw_rev = ioc->pdev->revision; karg.pci_id = ioc->pdev->device; karg.subsystem_device = ioc->pdev->subsystem_device; karg.subsystem_vendor = ioc->pdev->subsystem_vendor; diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index 193e33e28e4..d953a57e779 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -5744,7 +5744,7 @@ _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, } /** - * _scsih_sas_broadcast_primative_event - handle broadcast events + * _scsih_sas_broadcast_primitive_event - handle broadcast events * @ioc: per adapter object * @fw_event: The fw_event_work object * Context: user. @@ -5752,7 +5752,7 @@ _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, * Return nothing. */ static void -_scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, +_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { struct scsi_cmnd *scmd; @@ -7263,7 +7263,7 @@ _firmware_event_work(struct work_struct *work) fw_event); break; case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - _scsih_sas_broadcast_primative_event(ioc, + _scsih_sas_broadcast_primitive_event(ioc, fw_event); break; case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: diff --git a/drivers/scsi/mvsas/mv_init.c b/drivers/scsi/mvsas/mv_init.c index 6f589195746..cc59dff3810 100644 --- a/drivers/scsi/mvsas/mv_init.c +++ b/drivers/scsi/mvsas/mv_init.c @@ -60,7 +60,6 @@ static struct scsi_host_template mvs_sht = { .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, - .slave_destroy = sas_slave_destroy, .scan_finished = mvs_scan_finished, .scan_start = mvs_scan_start, .change_queue_depth = sas_change_queue_depth, @@ -74,7 +73,6 @@ static struct scsi_host_template mvs_sht = { .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_bus_reset_handler = sas_eh_bus_reset_handler, - .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = mvst_host_attrs, diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c index a4884a57cf7..fd3b2839843 100644 --- a/drivers/scsi/mvsas/mv_sas.c +++ b/drivers/scsi/mvsas/mv_sas.c @@ -308,7 +308,7 @@ int mvs_scan_finished(struct Scsi_Host *shost, unsigned long time) if (mvs_prv->scan_finished == 0) return 0; - scsi_flush_work(shost); + sas_drain_work(sha); return 1; } @@ -893,9 +893,6 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags, mvi = ((struct mvs_device *)task->dev->lldd_dev)->mvi_info; - if ((dev->dev_type == SATA_DEV) && (dev->sata_dev.ap != NULL)) - spin_unlock_irq(dev->sata_dev.ap->lock); - spin_lock_irqsave(&mvi->lock, flags); rc = mvs_task_prep(task, mvi, is_tmf, tmf, &pass); if (rc) @@ -906,9 +903,6 @@ static int mvs_task_exec(struct sas_task *task, const int num, gfp_t gfp_flags, (MVS_CHIP_SLOT_SZ - 1)); spin_unlock_irqrestore(&mvi->lock, flags); - if ((dev->dev_type == SATA_DEV) && (dev->sata_dev.ap != NULL)) - spin_lock_irq(dev->sata_dev.ap->lock); - return rc; } @@ -1480,10 +1474,11 @@ static int mvs_debug_issue_ssp_tmf(struct domain_device *dev, static int mvs_debug_I_T_nexus_reset(struct domain_device *dev) { int rc; - struct sas_phy *phy = sas_find_local_phy(dev); + struct sas_phy *phy = sas_get_local_phy(dev); int reset_type = (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) ? 0 : 1; rc = sas_phy_reset(phy, reset_type); + sas_put_local_phy(phy); msleep(2000); return rc; } @@ -1885,11 +1880,11 @@ int mvs_slot_complete(struct mvs_info *mvi, u32 rx_desc, u32 flags) case SAS_PROTOCOL_SMP: { struct scatterlist *sg_resp = &task->smp_task.smp_resp; tstat->stat = SAM_STAT_GOOD; - to = kmap_atomic(sg_page(sg_resp), KM_IRQ0); + to = kmap_atomic(sg_page(sg_resp)); memcpy(to + sg_resp->offset, slot->response + sizeof(struct mvs_err_info), sg_dma_len(sg_resp)); - kunmap_atomic(to, KM_IRQ0); + kunmap_atomic(to); break; } diff --git a/drivers/scsi/ncr53c8xx.c b/drivers/scsi/ncr53c8xx.c index 4b3b4755945..5982a587bab 100644 --- a/drivers/scsi/ncr53c8xx.c +++ b/drivers/scsi/ncr53c8xx.c @@ -115,7 +115,6 @@ #include <asm/dma.h> #include <asm/io.h> -#include <asm/system.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c index 002924963cd..62b616891a3 100644 --- a/drivers/scsi/nsp32.c +++ b/drivers/scsi/nsp32.c @@ -38,7 +38,6 @@ #include <linux/dma-mapping.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <scsi/scsi.h> diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index b31a8e3841d..d4ed9eb5265 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -69,10 +69,10 @@ #ifndef SCSI_OSD_MAJOR # define SCSI_OSD_MAJOR 260 #endif -#define SCSI_OSD_MAX_MINOR 64 +#define SCSI_OSD_MAX_MINOR MINORMASK static const char osd_name[] = "osd"; -static const char *osd_version_string = "open-osd 0.2.0"; +static const char *osd_version_string = "open-osd 0.2.1"; MODULE_AUTHOR("Boaz Harrosh <bharrosh@panasas.com>"); MODULE_DESCRIPTION("open-osd Upper-Layer-Driver osd.ko"); diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c index de0b1a704fb..21883a2d632 100644 --- a/drivers/scsi/osst.c +++ b/drivers/scsi/osst.c @@ -54,7 +54,6 @@ static const char * osst_version = "0.99.4"; #include <linux/mutex.h> #include <asm/uaccess.h> #include <asm/dma.h> -#include <asm/system.h> /* The driver prints some debugging information on the console if DEBUG is defined and non-zero. */ diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c index f2018b46f49..2f72c9807b1 100644 --- a/drivers/scsi/pas16.c +++ b/drivers/scsi/pas16.c @@ -113,7 +113,6 @@ #include <linux/module.h> -#include <asm/system.h> #include <linux/signal.h> #include <linux/proc_fs.h> #include <asm/io.h> diff --git a/drivers/scsi/pm8001/pm8001_chips.h b/drivers/scsi/pm8001/pm8001_chips.h index 4efa4d0950e..9241c782603 100644 --- a/drivers/scsi/pm8001/pm8001_chips.h +++ b/drivers/scsi/pm8001/pm8001_chips.h @@ -46,9 +46,9 @@ static inline u32 pm8001_read_32(void *virt_addr) return *((u32 *)virt_addr); } -static inline void pm8001_write_32(void *addr, u32 offset, u32 val) +static inline void pm8001_write_32(void *addr, u32 offset, __le32 val) { - *((u32 *)(addr + offset)) = val; + *((__le32 *)(addr + offset)) = val; } static inline u32 pm8001_cr32(struct pm8001_hba_info *pm8001_ha, u32 bar, diff --git a/drivers/scsi/pm8001/pm8001_hwi.c b/drivers/scsi/pm8001/pm8001_hwi.c index e12c4f632a6..9d82ee5c10d 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.c +++ b/drivers/scsi/pm8001/pm8001_hwi.c @@ -338,26 +338,25 @@ update_outbnd_queue_table(struct pm8001_hba_info *pm8001_ha, int number) } /** - * bar4_shift - function is called to shift BAR base address - * @pm8001_ha : our hba card information + * pm8001_bar4_shift - function is called to shift BAR base address + * @pm8001_ha : our hba card infomation * @shiftValue : shifting value in memory bar. */ -static int bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue) +int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue) { u32 regVal; - u32 max_wait_count; + unsigned long start; /* program the inbound AXI translation Lower Address */ pm8001_cw32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW, shiftValue); /* confirm the setting is written */ - max_wait_count = 1 * 1000 * 1000; /* 1 sec */ + start = jiffies + HZ; /* 1 sec */ do { - udelay(1); regVal = pm8001_cr32(pm8001_ha, 1, SPC_IBW_AXI_TRANSLATION_LOW); - } while ((regVal != shiftValue) && (--max_wait_count)); + } while ((regVal != shiftValue) && time_before(jiffies, start)); - if (!max_wait_count) { + if (regVal != shiftValue) { PM8001_INIT_DBG(pm8001_ha, pm8001_printk("TIMEOUT:SPC_IBW_AXI_TRANSLATION_LOW" " = 0x%x\n", regVal)); @@ -375,6 +374,7 @@ static void __devinit mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit) { u32 value, offset, i; + unsigned long flags; #define SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR 0x00030000 #define SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR 0x00040000 @@ -388,16 +388,23 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit) * Using shifted destination address 0x3_0000:0x1074 + 0x4000*N (N=0:3) * Using shifted destination address 0x4_0000:0x1074 + 0x4000*(N-4) (N=4:7) */ - if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) + spin_lock_irqsave(&pm8001_ha->lock, flags); + if (-1 == pm8001_bar4_shift(pm8001_ha, + SAS2_SETTINGS_LOCAL_PHY_0_3_SHIFT_ADDR)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; + } for (i = 0; i < 4; i++) { offset = SAS2_SETTINGS_LOCAL_PHY_0_3_OFFSET + 0x4000 * i; pm8001_cw32(pm8001_ha, 2, offset, 0x80001501); } /* shift membase 3 for SAS2_SETTINGS_LOCAL_PHY 4 - 7 */ - if (-1 == bar4_shift(pm8001_ha, SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) + if (-1 == pm8001_bar4_shift(pm8001_ha, + SAS2_SETTINGS_LOCAL_PHY_4_7_SHIFT_ADDR)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; + } for (i = 4; i < 8; i++) { offset = SAS2_SETTINGS_LOCAL_PHY_4_7_OFFSET + 0x4000 * (i-4); pm8001_cw32(pm8001_ha, 2, offset, 0x80001501); @@ -421,7 +428,8 @@ mpi_set_phys_g3_with_ssc(struct pm8001_hba_info *pm8001_ha, u32 SSCbit) pm8001_cw32(pm8001_ha, 2, 0xd8, 0x8000C016); /*set the shifted destination address to 0x0 to avoid error operation */ - bar4_shift(pm8001_ha, 0x0); + pm8001_bar4_shift(pm8001_ha, 0x0); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; } @@ -437,6 +445,7 @@ mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha, u32 offset; u32 value; u32 i; + unsigned long flags; #define OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR 0x00030000 #define OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR 0x00040000 @@ -445,24 +454,30 @@ mpi_set_open_retry_interval_reg(struct pm8001_hba_info *pm8001_ha, #define OPEN_RETRY_INTERVAL_REG_MASK 0x0000FFFF value = interval & OPEN_RETRY_INTERVAL_REG_MASK; + spin_lock_irqsave(&pm8001_ha->lock, flags); /* shift bar and set the OPEN_REJECT(RETRY) interval time of PHY 0 -3.*/ - if (-1 == bar4_shift(pm8001_ha, - OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) + if (-1 == pm8001_bar4_shift(pm8001_ha, + OPEN_RETRY_INTERVAL_PHY_0_3_SHIFT_ADDR)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; + } for (i = 0; i < 4; i++) { offset = OPEN_RETRY_INTERVAL_PHY_0_3_OFFSET + 0x4000 * i; pm8001_cw32(pm8001_ha, 2, offset, value); } - if (-1 == bar4_shift(pm8001_ha, - OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) + if (-1 == pm8001_bar4_shift(pm8001_ha, + OPEN_RETRY_INTERVAL_PHY_4_7_SHIFT_ADDR)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; + } for (i = 4; i < 8; i++) { offset = OPEN_RETRY_INTERVAL_PHY_4_7_OFFSET + 0x4000 * (i-4); pm8001_cw32(pm8001_ha, 2, offset, value); } /*set the shifted destination address to 0x0 to avoid error operation */ - bar4_shift(pm8001_ha, 0x0); + pm8001_bar4_shift(pm8001_ha, 0x0); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return; } @@ -607,7 +622,8 @@ static int __devinit pm8001_chip_init(struct pm8001_hba_info *pm8001_ha) update_inbnd_queue_table(pm8001_ha, 0); update_outbnd_queue_table(pm8001_ha, 0); mpi_set_phys_g3_with_ssc(pm8001_ha, 0); - mpi_set_open_retry_interval_reg(pm8001_ha, 7); + /* 7->130ms, 34->500ms, 119->1.5s */ + mpi_set_open_retry_interval_reg(pm8001_ha, 119); /* notify firmware update finished and check initialization status */ if (0 == mpi_init_check(pm8001_ha)) { PM8001_INIT_DBG(pm8001_ha, @@ -688,8 +704,11 @@ static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha) PM8001_INIT_DBG(pm8001_ha, pm8001_printk("Firmware is ready for reset .\n")); } else { - /* Trigger NMI twice via RB6 */ - if (-1 == bar4_shift(pm8001_ha, RB6_ACCESS_REG)) { + unsigned long flags; + /* Trigger NMI twice via RB6 */ + spin_lock_irqsave(&pm8001_ha->lock, flags); + if (-1 == pm8001_bar4_shift(pm8001_ha, RB6_ACCESS_REG)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", RB6_ACCESS_REG)); @@ -715,8 +734,10 @@ static u32 soft_reset_ready_check(struct pm8001_hba_info *pm8001_ha) PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("SCRATCH_PAD3 value = 0x%x\n", pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3))); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return -1; } + spin_unlock_irqrestore(&pm8001_ha->lock, flags); } return 0; } @@ -733,6 +754,7 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) u32 regVal, toggleVal; u32 max_wait_count; u32 regVal1, regVal2, regVal3; + unsigned long flags; /* step1: Check FW is ready for soft reset */ if (soft_reset_ready_check(pm8001_ha) != 0) { @@ -743,7 +765,9 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* step 2: clear NMI status register on AAP1 and IOP, write the same value to clear */ /* map 0x60000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) { + spin_lock_irqsave(&pm8001_ha->lock, flags); + if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_AAP1_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", MBIC_AAP1_ADDR_BASE)); @@ -754,7 +778,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) pm8001_printk("MBIC - NMI Enable VPE0 (IOP)= 0x%x\n", regVal)); pm8001_cw32(pm8001_ha, 2, MBIC_NMI_ENABLE_VPE0_IOP, 0x0); /* map 0x70000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, MBIC_IOP_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", MBIC_IOP_ADDR_BASE)); @@ -796,7 +821,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* read required registers for confirmming */ /* map 0x0700000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", GSM_ADDR_BASE)); @@ -862,7 +888,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* step 5: delay 10 usec */ udelay(10); /* step 5-b: set GPIO-0 output control to tristate anyway */ - if (-1 == bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, GPIO_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_INIT_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", GPIO_ADDR_BASE)); @@ -878,7 +905,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* Step 6: Reset the IOP and AAP1 */ /* map 0x00000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("SPC Shift Bar4 to 0x%x failed\n", SPC_TOP_LEVEL_ADDR_BASE)); @@ -915,7 +943,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* step 11: reads and sets the GSM Configuration and Reset Register */ /* map 0x0700000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, GSM_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, GSM_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("SPC Shift Bar4 to 0x%x failed\n", GSM_ADDR_BASE)); @@ -968,7 +997,8 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) /* step 13: bring the IOP and AAP1 out of reset */ /* map 0x00000 to BAR4(0x20), BAR2(win) */ - if (-1 == bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) { + if (-1 == pm8001_bar4_shift(pm8001_ha, SPC_TOP_LEVEL_ADDR_BASE)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("Shift Bar4 to 0x%x failed\n", SPC_TOP_LEVEL_ADDR_BASE)); @@ -1010,6 +1040,7 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) pm8001_printk("SCRATCH_PAD3 value = 0x%x\n", pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3))); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return -1; } @@ -1039,9 +1070,12 @@ pm8001_chip_soft_rst(struct pm8001_hba_info *pm8001_ha, u32 signature) pm8001_printk("SCRATCH_PAD3 value = 0x%x\n", pm8001_cr32(pm8001_ha, 0, MSGU_SCRATCH_PAD_3))); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return -1; } } + pm8001_bar4_shift(pm8001_ha, 0); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); PM8001_INIT_DBG(pm8001_ha, pm8001_printk("SPC soft reset Complete\n")); @@ -1157,8 +1191,8 @@ pm8001_chip_msix_interrupt_disable(struct pm8001_hba_info *pm8001_ha, msi_index = int_vec_idx * MSIX_TABLE_ELEMENT_SIZE; msi_index += MSIX_TABLE_BASE; pm8001_cw32(pm8001_ha, 0, msi_index, MSIX_INTERRUPT_DISABLE); - } + /** * pm8001_chip_interrupt_enable - enable PM8001 chip interrupt * @pm8001_ha: our hba card information @@ -1212,7 +1246,7 @@ static int mpi_msg_free_get(struct inbound_queue_table *circularQ, consumer_index = pm8001_read_32(circularQ->ci_virt); circularQ->consumer_index = cpu_to_le32(consumer_index); if (((circularQ->producer_idx + bcCount) % 256) == - circularQ->consumer_index) { + le32_to_cpu(circularQ->consumer_index)) { *messagePtr = NULL; return -1; } @@ -1321,7 +1355,8 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, u32 header_tmp; do { /* If there are not-yet-delivered messages ... */ - if (circularQ->producer_index != circularQ->consumer_idx) { + if (le32_to_cpu(circularQ->producer_index) + != circularQ->consumer_idx) { /*Get the pointer to the circular queue buffer element*/ msgHeader = (struct mpi_msg_hdr *) (circularQ->base_virt + @@ -1329,14 +1364,14 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, /* read header */ header_tmp = pm8001_read_32(msgHeader); msgHeader_tmp = cpu_to_le32(header_tmp); - if (0 != (msgHeader_tmp & 0x80000000)) { + if (0 != (le32_to_cpu(msgHeader_tmp) & 0x80000000)) { if (OPC_OUB_SKIP_ENTRY != - (msgHeader_tmp & 0xfff)) { + (le32_to_cpu(msgHeader_tmp) & 0xfff)) { *messagePtr1 = ((u8 *)msgHeader) + sizeof(struct mpi_msg_hdr); - *pBC = (u8)((msgHeader_tmp >> 24) & - 0x1f); + *pBC = (u8)((le32_to_cpu(msgHeader_tmp) + >> 24) & 0x1f); PM8001_IO_DBG(pm8001_ha, pm8001_printk(": CI=%d PI=%d " "msgHeader=%x\n", @@ -1347,8 +1382,8 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, } else { circularQ->consumer_idx = (circularQ->consumer_idx + - ((msgHeader_tmp >> 24) & 0x1f)) - % 256; + ((le32_to_cpu(msgHeader_tmp) + >> 24) & 0x1f)) % 256; msgHeader_tmp = 0; pm8001_write_32(msgHeader, 0, 0); /* update the CI of outbound queue */ @@ -1360,7 +1395,8 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, } else { circularQ->consumer_idx = (circularQ->consumer_idx + - ((msgHeader_tmp >> 24) & 0x1f)) % 256; + ((le32_to_cpu(msgHeader_tmp) >> 24) & + 0x1f)) % 256; msgHeader_tmp = 0; pm8001_write_32(msgHeader, 0, 0); /* update the CI of outbound queue */ @@ -1376,7 +1412,8 @@ static u32 mpi_msg_consume(struct pm8001_hba_info *pm8001_ha, producer_index = pm8001_read_32(pi_virt); circularQ->producer_index = cpu_to_le32(producer_index); } - } while (circularQ->producer_index != circularQ->consumer_idx); + } while (le32_to_cpu(circularQ->producer_index) != + circularQ->consumer_idx); /* while we don't have any more not-yet-delivered message */ /* report empty */ return MPI_IO_STATUS_BUSY; @@ -1388,24 +1425,191 @@ static void pm8001_work_fn(struct work_struct *work) struct pm8001_device *pm8001_dev; struct domain_device *dev; + /* + * So far, all users of this stash an associated structure here. + * If we get here, and this pointer is null, then the action + * was cancelled. This nullification happens when the device + * goes away. + */ + pm8001_dev = pw->data; /* Most stash device structure */ + if ((pm8001_dev == NULL) + || ((pw->handler != IO_XFER_ERROR_BREAK) + && (pm8001_dev->dev_type == NO_DEVICE))) { + kfree(pw); + return; + } + switch (pw->handler) { + case IO_XFER_ERROR_BREAK: + { /* This one stashes the sas_task instead */ + struct sas_task *t = (struct sas_task *)pm8001_dev; + u32 tag; + struct pm8001_ccb_info *ccb; + struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha; + unsigned long flags, flags1; + struct task_status_struct *ts; + int i; + + if (pm8001_query_task(t) == TMF_RESP_FUNC_SUCC) + break; /* Task still on lu */ + spin_lock_irqsave(&pm8001_ha->lock, flags); + + spin_lock_irqsave(&t->task_state_lock, flags1); + if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) { + spin_unlock_irqrestore(&t->task_state_lock, flags1); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + break; /* Task got completed by another */ + } + spin_unlock_irqrestore(&t->task_state_lock, flags1); + + /* Search for a possible ccb that matches the task */ + for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) { + ccb = &pm8001_ha->ccb_info[i]; + tag = ccb->ccb_tag; + if ((tag != 0xFFFFFFFF) && (ccb->task == t)) + break; + } + if (!ccb) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + break; /* Task got freed by another */ + } + ts = &t->task_status; + ts->resp = SAS_TASK_COMPLETE; + /* Force the midlayer to retry */ + ts->stat = SAS_QUEUE_FULL; + pm8001_dev = ccb->device; + if (pm8001_dev) + pm8001_dev->running_req--; + spin_lock_irqsave(&t->task_state_lock, flags1); + t->task_state_flags &= ~SAS_TASK_STATE_PENDING; + t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; + t->task_state_flags |= SAS_TASK_STATE_DONE; + if (unlikely((t->task_state_flags & SAS_TASK_STATE_ABORTED))) { + spin_unlock_irqrestore(&t->task_state_lock, flags1); + PM8001_FAIL_DBG(pm8001_ha, pm8001_printk("task 0x%p" + " done with event 0x%x resp 0x%x stat 0x%x but" + " aborted by upper layer!\n", + t, pw->handler, ts->resp, ts->stat)); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + } else { + spin_unlock_irqrestore(&t->task_state_lock, flags1); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); + mb();/* in order to force CPU ordering */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + t->task_done(t); + } + } break; + case IO_XFER_OPEN_RETRY_TIMEOUT: + { /* This one stashes the sas_task instead */ + struct sas_task *t = (struct sas_task *)pm8001_dev; + u32 tag; + struct pm8001_ccb_info *ccb; + struct pm8001_hba_info *pm8001_ha = pw->pm8001_ha; + unsigned long flags, flags1; + int i, ret = 0; + + PM8001_IO_DBG(pm8001_ha, + pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n")); + + ret = pm8001_query_task(t); + + PM8001_IO_DBG(pm8001_ha, + switch (ret) { + case TMF_RESP_FUNC_SUCC: + pm8001_printk("...Task on lu\n"); + break; + + case TMF_RESP_FUNC_COMPLETE: + pm8001_printk("...Task NOT on lu\n"); + break; + + default: + pm8001_printk("...query task failed!!!\n"); + break; + }); + + spin_lock_irqsave(&pm8001_ha->lock, flags); + + spin_lock_irqsave(&t->task_state_lock, flags1); + + if (unlikely((t->task_state_flags & SAS_TASK_STATE_DONE))) { + spin_unlock_irqrestore(&t->task_state_lock, flags1); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */ + (void)pm8001_abort_task(t); + break; /* Task got completed by another */ + } + + spin_unlock_irqrestore(&t->task_state_lock, flags1); + + /* Search for a possible ccb that matches the task */ + for (i = 0; ccb = NULL, i < PM8001_MAX_CCB; i++) { + ccb = &pm8001_ha->ccb_info[i]; + tag = ccb->ccb_tag; + if ((tag != 0xFFFFFFFF) && (ccb->task == t)) + break; + } + if (!ccb) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + if (ret == TMF_RESP_FUNC_SUCC) /* task on lu */ + (void)pm8001_abort_task(t); + break; /* Task got freed by another */ + } + + pm8001_dev = ccb->device; + dev = pm8001_dev->sas_device; + + switch (ret) { + case TMF_RESP_FUNC_SUCC: /* task on lu */ + ccb->open_retry = 1; /* Snub completion */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + ret = pm8001_abort_task(t); + ccb->open_retry = 0; + switch (ret) { + case TMF_RESP_FUNC_SUCC: + case TMF_RESP_FUNC_COMPLETE: + break; + default: /* device misbehavior */ + ret = TMF_RESP_FUNC_FAILED; + PM8001_IO_DBG(pm8001_ha, + pm8001_printk("...Reset phy\n")); + pm8001_I_T_nexus_reset(dev); + break; + } + break; + + case TMF_RESP_FUNC_COMPLETE: /* task not on lu */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + /* Do we need to abort the task locally? */ + break; + + default: /* device misbehavior */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + ret = TMF_RESP_FUNC_FAILED; + PM8001_IO_DBG(pm8001_ha, + pm8001_printk("...Reset phy\n")); + pm8001_I_T_nexus_reset(dev); + } + + if (ret == TMF_RESP_FUNC_FAILED) + t = NULL; + pm8001_open_reject_retry(pm8001_ha, t, pm8001_dev); + PM8001_IO_DBG(pm8001_ha, pm8001_printk("...Complete\n")); + } break; case IO_OPEN_CNX_ERROR_IT_NEXUS_LOSS: - pm8001_dev = pw->data; dev = pm8001_dev->sas_device; pm8001_I_T_nexus_reset(dev); break; case IO_OPEN_CNX_ERROR_STP_RESOURCES_BUSY: - pm8001_dev = pw->data; dev = pm8001_dev->sas_device; pm8001_I_T_nexus_reset(dev); break; case IO_DS_IN_ERROR: - pm8001_dev = pw->data; dev = pm8001_dev->sas_device; pm8001_I_T_nexus_reset(dev); break; case IO_DS_NON_OPERATIONAL: - pm8001_dev = pw->data; dev = pm8001_dev->sas_device; pm8001_I_T_nexus_reset(dev); break; @@ -1460,6 +1664,11 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) status = le32_to_cpu(psspPayload->status); tag = le32_to_cpu(psspPayload->tag); ccb = &pm8001_ha->ccb_info[tag]; + if ((status == IO_ABORTED) && ccb->open_retry) { + /* Being completed by another */ + ccb->open_retry = 0; + return; + } pm8001_dev = ccb->device; param = le32_to_cpu(psspPayload->param); @@ -1515,6 +1724,8 @@ mpi_ssp_completion(struct pm8001_hba_info *pm8001_ha , void *piomb) pm8001_printk("IO_XFER_ERROR_BREAK\n")); ts->resp = SAS_TASK_COMPLETE; ts->stat = SAS_OPEN_REJECT; + /* Force the midlayer to retry */ + ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; break; case IO_XFER_ERROR_PHY_NOT_READY: PM8001_IO_DBG(pm8001_ha, @@ -1719,9 +1930,8 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) case IO_XFER_ERROR_BREAK: PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_XFER_ERROR_BREAK\n")); - ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAS_INTERRUPTED; - break; + pm8001_handle_event(pm8001_ha, t, IO_XFER_ERROR_BREAK); + return; case IO_XFER_ERROR_PHY_NOT_READY: PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_XFER_ERROR_PHY_NOT_READY\n")); @@ -1800,10 +2010,8 @@ static void mpi_ssp_event(struct pm8001_hba_info *pm8001_ha , void *piomb) case IO_XFER_OPEN_RETRY_TIMEOUT: PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_XFER_OPEN_RETRY_TIMEOUT\n")); - ts->resp = SAS_TASK_COMPLETE; - ts->stat = SAS_OPEN_REJECT; - ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; - break; + pm8001_handle_event(pm8001_ha, t, IO_XFER_OPEN_RETRY_TIMEOUT); + return; case IO_XFER_ERROR_UNEXPECTED_PHASE: PM8001_IO_DBG(pm8001_ha, pm8001_printk("IO_XFER_ERROR_UNEXPECTED_PHASE\n")); @@ -1877,7 +2085,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) { struct sas_task *t; struct pm8001_ccb_info *ccb; - unsigned long flags = 0; u32 param; u32 status; u32 tag; @@ -1886,6 +2093,7 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) struct ata_task_resp *resp ; u32 *sata_resp; struct pm8001_device *pm8001_dev; + unsigned long flags; psataPayload = (struct sata_completion_resp *)(piomb + 4); status = le32_to_cpu(psataPayload->status); @@ -2016,9 +2224,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*in order to force CPU ordering*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2036,9 +2244,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2064,9 +2272,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/* ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2131,9 +2339,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2155,9 +2363,9 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2190,16 +2398,16 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/* ditto */ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); } else if (!t->uldd_task) { spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); } } @@ -2207,7 +2415,6 @@ mpi_sata_completion(struct pm8001_hba_info *pm8001_ha, void *piomb) static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) { struct sas_task *t; - unsigned long flags = 0; struct task_status_struct *ts; struct pm8001_ccb_info *ccb; struct pm8001_device *pm8001_dev; @@ -2217,6 +2424,7 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) u32 tag = le32_to_cpu(psataPayload->tag); u32 port_id = le32_to_cpu(psataPayload->port_id); u32 dev_id = le32_to_cpu(psataPayload->device_id); + unsigned long flags; ccb = &pm8001_ha->ccb_info[tag]; t = ccb->task; @@ -2287,9 +2495,9 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) ts->stat = SAS_QUEUE_FULL; pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); return; } break; @@ -2402,16 +2610,16 @@ static void mpi_sata_event(struct pm8001_hba_info *pm8001_ha , void *piomb) spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/* ditto */ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); } else if (!t->uldd_task) { spin_unlock_irqrestore(&t->task_state_lock, flags); pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb();/*ditto*/ - spin_unlock_irqrestore(&pm8001_ha->lock, flags); + spin_unlock_irq(&pm8001_ha->lock); t->task_done(t); - spin_lock_irqsave(&pm8001_ha->lock, flags); + spin_lock_irq(&pm8001_ha->lock); } } @@ -2857,7 +3065,7 @@ static void pm8001_hw_event_ack_req(struct pm8001_hba_info *pm8001_ha, memset((u8 *)&payload, 0, sizeof(payload)); circularQ = &pm8001_ha->inbnd_q_tbl[Qnum]; - payload.tag = 1; + payload.tag = cpu_to_le32(1); payload.sea_phyid_portid = cpu_to_le32(((SEA & 0xFFFF) << 8) | ((phyId & 0x0F) << 4) | (port_id & 0x0F)); payload.param0 = cpu_to_le32(param0); @@ -2929,9 +3137,9 @@ hw_event_sas_phy_up(struct pm8001_hba_info *pm8001_ha, void *piomb) phy->phy_type |= PORT_TYPE_SAS; phy->identify.device_type = deviceType; phy->phy_attached = 1; - if (phy->identify.device_type == SAS_END_DEV) + if (phy->identify.device_type == SAS_END_DEVICE) phy->identify.target_port_protocols = SAS_PROTOCOL_SSP; - else if (phy->identify.device_type != NO_DEVICE) + else if (phy->identify.device_type != SAS_PHY_UNUSED) phy->identify.target_port_protocols = SAS_PROTOCOL_SMP; phy->sas_phy.oob_mode = SAS_OOB_MODE; sas_ha->notify_phy_event(&phy->sas_phy, PHYE_OOB_DONE); @@ -3075,7 +3283,7 @@ static int mpi_reg_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) (struct dev_reg_resp *)(piomb + 4); htag = le32_to_cpu(registerRespPayload->tag); - ccb = &pm8001_ha->ccb_info[registerRespPayload->tag]; + ccb = &pm8001_ha->ccb_info[htag]; pm8001_dev = ccb->device; status = le32_to_cpu(registerRespPayload->status); device_id = le32_to_cpu(registerRespPayload->device_id); @@ -3149,7 +3357,7 @@ mpi_fw_flash_update_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) struct fw_control_ex fw_control_context; struct fw_flash_Update_resp *ppayload = (struct fw_flash_Update_resp *)(piomb + 4); - u32 tag = le32_to_cpu(ppayload->tag); + u32 tag = ppayload->tag; struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[tag]; status = le32_to_cpu(ppayload->status); memcpy(&fw_control_context, @@ -3238,13 +3446,12 @@ mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) struct task_abort_resp *pPayload = (struct task_abort_resp *)(piomb + 4); - ccb = &pm8001_ha->ccb_info[pPayload->tag]; - t = ccb->task; - status = le32_to_cpu(pPayload->status); tag = le32_to_cpu(pPayload->tag); scp = le32_to_cpu(pPayload->scp); + ccb = &pm8001_ha->ccb_info[tag]; + t = ccb->task; PM8001_IO_DBG(pm8001_ha, pm8001_printk(" status = 0x%x\n", status)); if (t == NULL) @@ -3270,7 +3477,7 @@ mpi_task_abort_resp(struct pm8001_hba_info *pm8001_ha, void *piomb) t->task_state_flags &= ~SAS_TASK_AT_INITIATOR; t->task_state_flags |= SAS_TASK_STATE_DONE; spin_unlock_irqrestore(&t->task_state_lock, flags); - pm8001_ccb_task_free(pm8001_ha, t, ccb, pPayload->tag); + pm8001_ccb_task_free(pm8001_ha, t, ccb, tag); mb(); t->task_done(t); return 0; @@ -3497,7 +3704,7 @@ static int mpi_hw_event(struct pm8001_hba_info *pm8001_ha, void* piomb) static void process_one_iomb(struct pm8001_hba_info *pm8001_ha, void *piomb) { u32 pHeader = (u32)*(u32 *)piomb; - u8 opc = (u8)((le32_to_cpu(pHeader)) & 0xFFF); + u8 opc = (u8)(pHeader & 0xFFF); PM8001_MSG_DBG(pm8001_ha, pm8001_printk("process_one_iomb:")); @@ -3664,9 +3871,11 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha) { struct outbound_queue_table *circularQ; void *pMsg1 = NULL; - u8 bc = 0; + u8 uninitialized_var(bc); u32 ret = MPI_IO_STATUS_FAIL; + unsigned long flags; + spin_lock_irqsave(&pm8001_ha->lock, flags); circularQ = &pm8001_ha->outbnd_q_tbl[0]; do { ret = mpi_msg_consume(pm8001_ha, circularQ, &pMsg1, &bc); @@ -3677,16 +3886,16 @@ static int process_oq(struct pm8001_hba_info *pm8001_ha) mpi_msg_free_set(pm8001_ha, pMsg1, circularQ, bc); } if (MPI_IO_STATUS_BUSY == ret) { - u32 producer_idx; /* Update the producer index from SPC */ - producer_idx = pm8001_read_32(circularQ->pi_virt); - circularQ->producer_index = cpu_to_le32(producer_idx); - if (circularQ->producer_index == + circularQ->producer_index = + cpu_to_le32(pm8001_read_32(circularQ->pi_virt)); + if (le32_to_cpu(circularQ->producer_index) == circularQ->consumer_idx) /* OQ is empty */ break; } } while (1); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); return ret; } @@ -3712,9 +3921,9 @@ pm8001_chip_make_sg(struct scatterlist *scatter, int nr, void *prd) } } -static void build_smp_cmd(u32 deviceID, u32 hTag, struct smp_req *psmp_cmd) +static void build_smp_cmd(u32 deviceID, __le32 hTag, struct smp_req *psmp_cmd) { - psmp_cmd->tag = cpu_to_le32(hTag); + psmp_cmd->tag = hTag; psmp_cmd->device_id = cpu_to_le32(deviceID); psmp_cmd->len_ip_ir = cpu_to_le32(1|(1 << 1)); } @@ -3798,7 +4007,7 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, struct ssp_ini_io_start_req ssp_cmd; u32 tag = ccb->ccb_tag; int ret; - __le64 phys_addr; + u64 phys_addr; struct inbound_queue_table *circularQ; u32 opc = OPC_INB_SSPINIIOSTART; memset(&ssp_cmd, 0, sizeof(ssp_cmd)); @@ -3819,15 +4028,15 @@ static int pm8001_chip_ssp_io_req(struct pm8001_hba_info *pm8001_ha, /* fill in PRD (scatter/gather) table, if any */ if (task->num_scatter > 1) { pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd); - phys_addr = cpu_to_le64(ccb->ccb_dma_handle + - offsetof(struct pm8001_ccb_info, buf_prd[0])); - ssp_cmd.addr_low = lower_32_bits(phys_addr); - ssp_cmd.addr_high = upper_32_bits(phys_addr); + phys_addr = ccb->ccb_dma_handle + + offsetof(struct pm8001_ccb_info, buf_prd[0]); + ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(phys_addr)); + ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(phys_addr)); ssp_cmd.esgl = cpu_to_le32(1<<31); } else if (task->num_scatter == 1) { - __le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter)); - ssp_cmd.addr_low = lower_32_bits(dma_addr); - ssp_cmd.addr_high = upper_32_bits(dma_addr); + u64 dma_addr = sg_dma_address(task->scatter); + ssp_cmd.addr_low = cpu_to_le32(lower_32_bits(dma_addr)); + ssp_cmd.addr_high = cpu_to_le32(upper_32_bits(dma_addr)); ssp_cmd.len = cpu_to_le32(task->total_xfer_len); ssp_cmd.esgl = 0; } else if (task->num_scatter == 0) { @@ -3850,7 +4059,7 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, int ret; struct sata_start_req sata_cmd; u32 hdr_tag, ncg_tag = 0; - __le64 phys_addr; + u64 phys_addr; u32 ATAP = 0x0; u32 dir; struct inbound_queue_table *circularQ; @@ -3889,13 +4098,13 @@ static int pm8001_chip_sata_req(struct pm8001_hba_info *pm8001_ha, /* fill in PRD (scatter/gather) table, if any */ if (task->num_scatter > 1) { pm8001_chip_make_sg(task->scatter, ccb->n_elem, ccb->buf_prd); - phys_addr = cpu_to_le64(ccb->ccb_dma_handle + - offsetof(struct pm8001_ccb_info, buf_prd[0])); + phys_addr = ccb->ccb_dma_handle + + offsetof(struct pm8001_ccb_info, buf_prd[0]); sata_cmd.addr_low = lower_32_bits(phys_addr); sata_cmd.addr_high = upper_32_bits(phys_addr); sata_cmd.esgl = cpu_to_le32(1 << 31); } else if (task->num_scatter == 1) { - __le64 dma_addr = cpu_to_le64(sg_dma_address(task->scatter)); + u64 dma_addr = sg_dma_address(task->scatter); sata_cmd.addr_low = lower_32_bits(dma_addr); sata_cmd.addr_high = upper_32_bits(dma_addr); sata_cmd.len = cpu_to_le32(task->total_xfer_len); @@ -4039,7 +4248,7 @@ static int pm8001_chip_dereg_dev_req(struct pm8001_hba_info *pm8001_ha, circularQ = &pm8001_ha->inbnd_q_tbl[0]; memset(&payload, 0, sizeof(payload)); - payload.tag = 1; + payload.tag = cpu_to_le32(1); payload.device_id = cpu_to_le32(device_id); PM8001_MSG_DBG(pm8001_ha, pm8001_printk("unregister device device_id = %d\n", device_id)); @@ -4063,7 +4272,7 @@ static int pm8001_chip_phy_ctl_req(struct pm8001_hba_info *pm8001_ha, u32 opc = OPC_INB_LOCAL_PHY_CONTROL; memset(&payload, 0, sizeof(payload)); circularQ = &pm8001_ha->inbnd_q_tbl[0]; - payload.tag = 1; + payload.tag = cpu_to_le32(1); payload.phyop_phyid = cpu_to_le32(((phy_op & 0xff) << 8) | (phyId & 0x0F)); ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload); @@ -4092,12 +4301,9 @@ static u32 pm8001_chip_is_our_interupt(struct pm8001_hba_info *pm8001_ha) static irqreturn_t pm8001_chip_isr(struct pm8001_hba_info *pm8001_ha) { - unsigned long flags; - spin_lock_irqsave(&pm8001_ha->lock, flags); pm8001_chip_interrupt_disable(pm8001_ha); process_oq(pm8001_ha); pm8001_chip_interrupt_enable(pm8001_ha); - spin_unlock_irqrestore(&pm8001_ha->lock, flags); return IRQ_HANDLED; } @@ -4360,8 +4566,10 @@ pm8001_chip_fw_flash_update_build(struct pm8001_hba_info *pm8001_ha, payload.cur_image_offset = cpu_to_le32(info->cur_image_offset); payload.total_image_len = cpu_to_le32(info->total_image_len); payload.len = info->sgl.im_len.len ; - payload.sgl_addr_lo = lower_32_bits(info->sgl.addr); - payload.sgl_addr_hi = upper_32_bits(info->sgl.addr); + payload.sgl_addr_lo = + cpu_to_le32(lower_32_bits(le64_to_cpu(info->sgl.addr))); + payload.sgl_addr_hi = + cpu_to_le32(upper_32_bits(le64_to_cpu(info->sgl.addr))); ret = mpi_build_cmd(pm8001_ha, circularQ, opc, &payload); return ret; } diff --git a/drivers/scsi/pm8001/pm8001_hwi.h b/drivers/scsi/pm8001/pm8001_hwi.h index 909132041c0..1a4611eb032 100644 --- a/drivers/scsi/pm8001/pm8001_hwi.h +++ b/drivers/scsi/pm8001/pm8001_hwi.h @@ -625,7 +625,7 @@ struct set_nvm_data_req { __le32 tag; __le32 len_ir_vpdd; __le32 vpd_offset; - u32 reserved[8]; + __le32 reserved[8]; __le32 resp_addr_lo; __le32 resp_addr_hi; __le32 resp_len; diff --git a/drivers/scsi/pm8001/pm8001_init.c b/drivers/scsi/pm8001/pm8001_init.c index c21a2163f9f..36efaa7c3a5 100644 --- a/drivers/scsi/pm8001/pm8001_init.c +++ b/drivers/scsi/pm8001/pm8001_init.c @@ -62,7 +62,6 @@ static struct scsi_host_template pm8001_sht = { .queuecommand = sas_queuecommand, .target_alloc = sas_target_alloc, .slave_configure = sas_slave_configure, - .slave_destroy = sas_slave_destroy, .scan_finished = pm8001_scan_finished, .scan_start = pm8001_scan_start, .change_queue_depth = sas_change_queue_depth, @@ -76,7 +75,6 @@ static struct scsi_host_template pm8001_sht = { .use_clustering = ENABLE_CLUSTERING, .eh_device_reset_handler = sas_eh_device_reset_handler, .eh_bus_reset_handler = sas_eh_bus_reset_handler, - .slave_alloc = sas_slave_alloc, .target_destroy = sas_target_destroy, .ioctl = sas_ioctl, .shost_attrs = pm8001_host_attrs, diff --git a/drivers/scsi/pm8001/pm8001_sas.c b/drivers/scsi/pm8001/pm8001_sas.c index fb3dc997886..3b11edd4a50 100644 --- a/drivers/scsi/pm8001/pm8001_sas.c +++ b/drivers/scsi/pm8001/pm8001_sas.c @@ -166,6 +166,7 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, struct pm8001_hba_info *pm8001_ha = NULL; struct sas_phy_linkrates *rates; DECLARE_COMPLETION_ONSTACK(completion); + unsigned long flags; pm8001_ha = sas_phy->ha->lldd_ha; pm8001_ha->phy[phy_id].enable_completion = &completion; switch (func) { @@ -209,8 +210,29 @@ int pm8001_phy_control(struct asd_sas_phy *sas_phy, enum phy_func func, case PHY_FUNC_DISABLE: PM8001_CHIP_DISP->phy_stop_req(pm8001_ha, phy_id); break; + case PHY_FUNC_GET_EVENTS: + spin_lock_irqsave(&pm8001_ha->lock, flags); + if (-1 == pm8001_bar4_shift(pm8001_ha, + (phy_id < 4) ? 0x30000 : 0x40000)) { + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + return -EINVAL; + } + { + struct sas_phy *phy = sas_phy->phy; + uint32_t *qp = (uint32_t *)(((char *) + pm8001_ha->io_mem[2].memvirtaddr) + + 0x1034 + (0x4000 * (phy_id & 3))); + + phy->invalid_dword_count = qp[0]; + phy->running_disparity_error_count = qp[1]; + phy->loss_of_dword_sync_count = qp[3]; + phy->phy_reset_problem_count = qp[4]; + } + pm8001_bar4_shift(pm8001_ha, 0); + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + return 0; default: - rc = -ENOSYS; + rc = -EOPNOTSUPP; } msleep(300); return rc; @@ -234,12 +256,14 @@ void pm8001_scan_start(struct Scsi_Host *shost) int pm8001_scan_finished(struct Scsi_Host *shost, unsigned long time) { + struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost); + /* give the phy enabling interrupt event time to come in (1s * is empirically about all it takes) */ if (time < HZ) return 0; /* Wait for discovery to finish */ - scsi_flush_work(shost); + sas_drain_work(ha); return 1; } @@ -340,7 +364,7 @@ static int pm8001_task_exec(struct sas_task *task, const int num, struct pm8001_ccb_info *ccb; u32 tag = 0xdeadbeef, rc, n_elem = 0; u32 n = num; - unsigned long flags = 0, flags_libsas = 0; + unsigned long flags = 0; if (!dev->port) { struct task_status_struct *tsm = &t->task_status; @@ -364,11 +388,7 @@ static int pm8001_task_exec(struct sas_task *task, const int num, ts->stat = SAS_PHY_DOWN; spin_unlock_irqrestore(&pm8001_ha->lock, flags); - spin_unlock_irqrestore(dev->sata_dev.ap->lock, - flags_libsas); t->task_done(t); - spin_lock_irqsave(dev->sata_dev.ap->lock, - flags_libsas); spin_lock_irqsave(&pm8001_ha->lock, flags); if (n > 1) t = list_entry(t->list.next, @@ -516,6 +536,7 @@ void pm8001_ccb_task_free(struct pm8001_hba_info *pm8001_ha, task->lldd_task = NULL; ccb->task = NULL; ccb->ccb_tag = 0xFFFFFFFF; + ccb->open_retry = 0; pm8001_ccb_free(pm8001_ha, ccb_idx); } @@ -615,7 +636,7 @@ static int pm8001_dev_found_notify(struct domain_device *dev) wait_for_completion(&completion); if (dev->dev_type == SAS_END_DEV) msleep(50); - pm8001_ha->flags |= PM8001F_RUN_TIME ; + pm8001_ha->flags = PM8001F_RUN_TIME; return 0; found_out: spin_unlock_irqrestore(&pm8001_ha->lock, flags); @@ -860,6 +881,77 @@ static int pm8001_issue_ssp_tmf(struct domain_device *dev, tmf); } +/* retry commands by ha, by task and/or by device */ +void pm8001_open_reject_retry( + struct pm8001_hba_info *pm8001_ha, + struct sas_task *task_to_close, + struct pm8001_device *device_to_close) +{ + int i; + unsigned long flags; + + if (pm8001_ha == NULL) + return; + + spin_lock_irqsave(&pm8001_ha->lock, flags); + + for (i = 0; i < PM8001_MAX_CCB; i++) { + struct sas_task *task; + struct task_status_struct *ts; + struct pm8001_device *pm8001_dev; + unsigned long flags1; + u32 tag; + struct pm8001_ccb_info *ccb = &pm8001_ha->ccb_info[i]; + + pm8001_dev = ccb->device; + if (!pm8001_dev || (pm8001_dev->dev_type == NO_DEVICE)) + continue; + if (!device_to_close) { + uintptr_t d = (uintptr_t)pm8001_dev + - (uintptr_t)&pm8001_ha->devices; + if (((d % sizeof(*pm8001_dev)) != 0) + || ((d / sizeof(*pm8001_dev)) >= PM8001_MAX_DEVICES)) + continue; + } else if (pm8001_dev != device_to_close) + continue; + tag = ccb->ccb_tag; + if (!tag || (tag == 0xFFFFFFFF)) + continue; + task = ccb->task; + if (!task || !task->task_done) + continue; + if (task_to_close && (task != task_to_close)) + continue; + ts = &task->task_status; + ts->resp = SAS_TASK_COMPLETE; + /* Force the midlayer to retry */ + ts->stat = SAS_OPEN_REJECT; + ts->open_rej_reason = SAS_OREJ_RSVD_RETRY; + if (pm8001_dev) + pm8001_dev->running_req--; + spin_lock_irqsave(&task->task_state_lock, flags1); + task->task_state_flags &= ~SAS_TASK_STATE_PENDING; + task->task_state_flags &= ~SAS_TASK_AT_INITIATOR; + task->task_state_flags |= SAS_TASK_STATE_DONE; + if (unlikely((task->task_state_flags + & SAS_TASK_STATE_ABORTED))) { + spin_unlock_irqrestore(&task->task_state_lock, + flags1); + pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + } else { + spin_unlock_irqrestore(&task->task_state_lock, + flags1); + pm8001_ccb_task_free(pm8001_ha, task, ccb, tag); + mb();/* in order to force CPU ordering */ + spin_unlock_irqrestore(&pm8001_ha->lock, flags); + task->task_done(task); + spin_lock_irqsave(&pm8001_ha->lock, flags); + } + } + + spin_unlock_irqrestore(&pm8001_ha->lock, flags); +} + /** * Standard mandates link reset for ATA (type 0) and hard reset for * SSP (type 1) , only for RECOVERY @@ -875,12 +967,14 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev) pm8001_dev = dev->lldd_dev; pm8001_ha = pm8001_find_ha_by_dev(dev); - phy = sas_find_local_phy(dev); + phy = sas_get_local_phy(dev); if (dev_is_sata(dev)) { DECLARE_COMPLETION_ONSTACK(completion_setstate); - if (scsi_is_sas_phy_local(phy)) - return 0; + if (scsi_is_sas_phy_local(phy)) { + rc = 0; + goto out; + } rc = sas_phy_reset(phy, 1); msleep(2000); rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev , @@ -889,12 +983,14 @@ int pm8001_I_T_nexus_reset(struct domain_device *dev) rc = PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha, pm8001_dev, 0x01); wait_for_completion(&completion_setstate); - } else{ - rc = sas_phy_reset(phy, 1); - msleep(2000); + } else { + rc = sas_phy_reset(phy, 1); + msleep(2000); } PM8001_EH_DBG(pm8001_ha, pm8001_printk(" for device[%x]:rc=%d\n", pm8001_dev->device_id, rc)); + out: + sas_put_local_phy(phy); return rc; } @@ -906,10 +1002,11 @@ int pm8001_lu_reset(struct domain_device *dev, u8 *lun) struct pm8001_device *pm8001_dev = dev->lldd_dev; struct pm8001_hba_info *pm8001_ha = pm8001_find_ha_by_dev(dev); if (dev_is_sata(dev)) { - struct sas_phy *phy = sas_find_local_phy(dev); + struct sas_phy *phy = sas_get_local_phy(dev); rc = pm8001_exec_internal_task_abort(pm8001_ha, pm8001_dev , dev, 1, 0); rc = sas_phy_reset(phy, 1); + sas_put_local_phy(phy); rc = PM8001_CHIP_DISP->set_dev_state_req(pm8001_ha, pm8001_dev, 0x01); msleep(2000); diff --git a/drivers/scsi/pm8001/pm8001_sas.h b/drivers/scsi/pm8001/pm8001_sas.h index 93959febe20..11008205aeb 100644 --- a/drivers/scsi/pm8001/pm8001_sas.h +++ b/drivers/scsi/pm8001/pm8001_sas.h @@ -235,6 +235,7 @@ struct pm8001_ccb_info { struct pm8001_device *device; struct pm8001_prd buf_prd[PM8001_MAX_DMA_SG]; struct fw_control_ex *fw_control_context; + u8 open_retry; }; struct mpi_mem { @@ -484,10 +485,15 @@ void pm8001_dev_gone(struct domain_device *dev); int pm8001_lu_reset(struct domain_device *dev, u8 *lun); int pm8001_I_T_nexus_reset(struct domain_device *dev); int pm8001_query_task(struct sas_task *task); +void pm8001_open_reject_retry( + struct pm8001_hba_info *pm8001_ha, + struct sas_task *task_to_close, + struct pm8001_device *device_to_close); int pm8001_mem_alloc(struct pci_dev *pdev, void **virt_addr, dma_addr_t *pphys_addr, u32 *pphys_addr_hi, u32 *pphys_addr_lo, u32 mem_size, u32 align); +int pm8001_bar4_shift(struct pm8001_hba_info *pm8001_ha, u32 shiftValue); /* ctl shared API */ extern struct device_attribute *pm8001_host_attrs[]; diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c index d838205ab16..6c6486f626e 100644 --- a/drivers/scsi/qla1280.c +++ b/drivers/scsi/qla1280.c @@ -359,7 +359,6 @@ #include <asm/byteorder.h> #include <asm/processor.h> #include <asm/types.h> -#include <asm/system.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index a2f1b3043df..5926f5a87ea 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -356,7 +356,8 @@ qla2x00_sysfs_write_optrom_ctl(struct file *filp, struct kobject *kobj, else if (start == (ha->flt_region_boot * 4) || start == (ha->flt_region_fw * 4)) valid = 1; - else if (IS_QLA25XX(ha) || IS_QLA8XXX_TYPE(ha)) + else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) + || IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) valid = 1; if (!valid) { ql_log(ql_log_warn, vha, 0x7065, @@ -627,144 +628,6 @@ static struct bin_attribute sysfs_reset_attr = { }; static ssize_t -qla2x00_sysfs_write_edc(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, - struct device, kobj))); - struct qla_hw_data *ha = vha->hw; - uint16_t dev, adr, opt, len; - int rval; - - ha->edc_data_len = 0; - - if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8) - return -EINVAL; - - if (!ha->edc_data) { - ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, - &ha->edc_data_dma); - if (!ha->edc_data) { - ql_log(ql_log_warn, vha, 0x7073, - "Unable to allocate memory for EDC write.\n"); - return -ENOMEM; - } - } - - dev = le16_to_cpup((void *)&buf[0]); - adr = le16_to_cpup((void *)&buf[2]); - opt = le16_to_cpup((void *)&buf[4]); - len = le16_to_cpup((void *)&buf[6]); - - if (!(opt & BIT_0)) - if (len == 0 || len > DMA_POOL_SIZE || len > count - 8) - return -EINVAL; - - memcpy(ha->edc_data, &buf[8], len); - - rval = qla2x00_write_sfp(vha, ha->edc_data_dma, ha->edc_data, - dev, adr, len, opt); - if (rval != QLA_SUCCESS) { - ql_log(ql_log_warn, vha, 0x7074, - "Unable to write EDC (%x) %02x:%04x:%02x:%02x:%02hhx\n", - rval, dev, adr, opt, len, buf[8]); - return -EIO; - } - - return count; -} - -static struct bin_attribute sysfs_edc_attr = { - .attr = { - .name = "edc", - .mode = S_IWUSR, - }, - .size = 0, - .write = qla2x00_sysfs_write_edc, -}; - -static ssize_t -qla2x00_sysfs_write_edc_status(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, - struct device, kobj))); - struct qla_hw_data *ha = vha->hw; - uint16_t dev, adr, opt, len; - int rval; - - ha->edc_data_len = 0; - - if (!capable(CAP_SYS_ADMIN) || off != 0 || count < 8) - return -EINVAL; - - if (!ha->edc_data) { - ha->edc_data = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, - &ha->edc_data_dma); - if (!ha->edc_data) { - ql_log(ql_log_warn, vha, 0x708c, - "Unable to allocate memory for EDC status.\n"); - return -ENOMEM; - } - } - - dev = le16_to_cpup((void *)&buf[0]); - adr = le16_to_cpup((void *)&buf[2]); - opt = le16_to_cpup((void *)&buf[4]); - len = le16_to_cpup((void *)&buf[6]); - - if (!(opt & BIT_0)) - if (len == 0 || len > DMA_POOL_SIZE) - return -EINVAL; - - memset(ha->edc_data, 0, len); - rval = qla2x00_read_sfp(vha, ha->edc_data_dma, ha->edc_data, - dev, adr, len, opt); - if (rval != QLA_SUCCESS) { - ql_log(ql_log_info, vha, 0x7075, - "Unable to write EDC status (%x) %02x:%04x:%02x:%02x.\n", - rval, dev, adr, opt, len); - return -EIO; - } - - ha->edc_data_len = len; - - return count; -} - -static ssize_t -qla2x00_sysfs_read_edc_status(struct file *filp, struct kobject *kobj, - struct bin_attribute *bin_attr, - char *buf, loff_t off, size_t count) -{ - struct scsi_qla_host *vha = shost_priv(dev_to_shost(container_of(kobj, - struct device, kobj))); - struct qla_hw_data *ha = vha->hw; - - if (!capable(CAP_SYS_ADMIN) || off != 0 || count == 0) - return 0; - - if (!ha->edc_data || ha->edc_data_len == 0 || ha->edc_data_len > count) - return -EINVAL; - - memcpy(buf, ha->edc_data, ha->edc_data_len); - - return ha->edc_data_len; -} - -static struct bin_attribute sysfs_edc_status_attr = { - .attr = { - .name = "edc_status", - .mode = S_IRUSR | S_IWUSR, - }, - .size = 0, - .write = qla2x00_sysfs_write_edc_status, - .read = qla2x00_sysfs_read_edc_status, -}; - -static ssize_t qla2x00_sysfs_read_xgmac_stats(struct file *filp, struct kobject *kobj, struct bin_attribute *bin_attr, char *buf, loff_t off, size_t count) @@ -879,8 +742,6 @@ static struct sysfs_entry { { "vpd", &sysfs_vpd_attr, 1 }, { "sfp", &sysfs_sfp_attr, 1 }, { "reset", &sysfs_reset_attr, }, - { "edc", &sysfs_edc_attr, 2 }, - { "edc_status", &sysfs_edc_status_attr, 2 }, { "xgmac_stats", &sysfs_xgmac_stats_attr, 3 }, { "dcbx_tlv", &sysfs_dcbx_tlv_attr, 3 }, { NULL }, @@ -898,7 +759,7 @@ qla2x00_alloc_sysfs_attr(scsi_qla_host_t *vha) continue; if (iter->is4GBp_only == 2 && !IS_QLA25XX(vha->hw)) continue; - if (iter->is4GBp_only == 3 && !(IS_QLA8XXX_TYPE(vha->hw))) + if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw))) continue; ret = sysfs_create_bin_file(&host->shost_gendev.kobj, @@ -926,7 +787,7 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *vha) continue; if (iter->is4GBp_only == 2 && !IS_QLA25XX(ha)) continue; - if (iter->is4GBp_only == 3 && !!(IS_QLA8XXX_TYPE(vha->hw))) + if (iter->is4GBp_only == 3 && !(IS_CNA_CAPABLE(vha->hw))) continue; sysfs_remove_bin_file(&host->shost_gendev.kobj, @@ -1036,8 +897,7 @@ qla2x00_link_state_show(struct device *dev, struct device_attribute *attr, vha->device_flags & DFLG_NO_CABLE) len = snprintf(buf, PAGE_SIZE, "Link Down\n"); else if (atomic_read(&vha->loop_state) != LOOP_READY || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) + qla2x00_reset_active(vha)) len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n"); else { len = snprintf(buf, PAGE_SIZE, "Link Up - "); @@ -1232,7 +1092,7 @@ qla2x00_optrom_gold_fw_version_show(struct device *dev, scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); struct qla_hw_data *ha = vha->hw; - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%d)\n", @@ -1279,7 +1139,7 @@ qla2x00_mpi_version_show(struct device *dev, struct device_attribute *attr, scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); struct qla_hw_data *ha = vha->hw; - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA8031(ha)) return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d (%x)\n", @@ -1294,7 +1154,7 @@ qla2x00_phy_version_show(struct device *dev, struct device_attribute *attr, scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); struct qla_hw_data *ha = vha->hw; - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d\n", @@ -1317,7 +1177,7 @@ qla2x00_vlan_id_show(struct device *dev, struct device_attribute *attr, { scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); - if (!IS_QLA8XXX_TYPE(vha->hw)) + if (!IS_CNA_CAPABLE(vha->hw)) return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%d\n", vha->fcoe_vlan_id); @@ -1329,7 +1189,7 @@ qla2x00_vn_port_mac_address_show(struct device *dev, { scsi_qla_host_t *vha = shost_priv(class_to_shost(dev)); - if (!IS_QLA8XXX_TYPE(vha->hw)) + if (!IS_CNA_CAPABLE(vha->hw)) return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%02x:%02x:%02x:%02x:%02x:%02x\n", @@ -1359,14 +1219,13 @@ qla2x00_thermal_temp_show(struct device *dev, return snprintf(buf, PAGE_SIZE, "\n"); temp = frac = 0; - if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) + if (qla2x00_reset_active(vha)) ql_log(ql_log_warn, vha, 0x707b, "ISP reset active.\n"); else if (!vha->hw->flags.eeh_busy) rval = qla2x00_get_thermal_temp(vha, &temp, &frac); if (rval != QLA_SUCCESS) - temp = frac = 0; + return snprintf(buf, PAGE_SIZE, "\n"); return snprintf(buf, PAGE_SIZE, "%d.%02d\n", temp, frac); } @@ -1379,8 +1238,7 @@ qla2x00_fw_state_show(struct device *dev, struct device_attribute *attr, int rval = QLA_FUNCTION_FAILED; uint16_t state[5]; - if (test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags)) + if (qla2x00_reset_active(vha)) ql_log(ql_log_warn, vha, 0x707c, "ISP reset active.\n"); else if (!vha->hw->flags.eeh_busy) @@ -1496,6 +1354,9 @@ qla2x00_get_host_speed(struct Scsi_Host *shost) case PORT_SPEED_10GB: speed = FC_PORTSPEED_10GBIT; break; + case PORT_SPEED_16GB: + speed = FC_PORTSPEED_16GBIT; + break; } fc_host_speed(shost) = speed; } @@ -1646,10 +1507,14 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) * final cleanup of firmware resources (PCBs and XCBs). */ if (fcport->loop_id != FC_NO_LOOP_ID && - !test_bit(UNLOADING, &fcport->vha->dpc_flags)) - fcport->vha->hw->isp_ops->fabric_logout(fcport->vha, - fcport->loop_id, fcport->d_id.b.domain, - fcport->d_id.b.area, fcport->d_id.b.al_pa); + !test_bit(UNLOADING, &fcport->vha->dpc_flags)) { + if (IS_FWI2_CAPABLE(fcport->vha->hw)) + fcport->vha->hw->isp_ops->fabric_logout(fcport->vha, + fcport->loop_id, fcport->d_id.b.domain, + fcport->d_id.b.area, fcport->d_id.b.al_pa); + else + qla2x00_port_logout(fcport->vha, fcport); + } } static int @@ -1693,9 +1558,7 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost) if (IS_FWI2_CAPABLE(ha)) { rval = qla24xx_get_isp_stats(base_vha, stats, stats_dma); } else if (atomic_read(&base_vha->loop_state) == LOOP_READY && - !test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) && - !test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) && - !ha->dpc_active) { + !qla2x00_reset_active(vha) && !ha->dpc_active) { /* Must be in a 'READY' state for statistics retrieval. */ rval = qla2x00_get_link_status(base_vha, base_vha->loop_id, stats, stats_dma); @@ -1894,6 +1757,7 @@ qla24xx_vport_create(struct fc_vport *fc_vport, bool disable) break; } } + if (qos) { ret = qla25xx_create_req_que(ha, options, vha->vp_idx, 0, 0, qos); @@ -2091,7 +1955,7 @@ qla2x00_init_host_attr(scsi_qla_host_t *vha) fc_host_max_npiv_vports(vha->host) = ha->max_npiv_vports; fc_host_npiv_vports_inuse(vha->host) = ha->cur_vport_count; - if (IS_QLA8XXX_TYPE(ha)) + if (IS_CNA_CAPABLE(ha)) speed = FC_PORTSPEED_10GBIT; else if (IS_QLA25XX(ha)) speed = FC_PORTSPEED_8GBIT | FC_PORTSPEED_4GBIT | diff --git a/drivers/scsi/qla2xxx/qla_bsg.c b/drivers/scsi/qla2xxx/qla_bsg.c index a1c6a166a93..f74cc0602f3 100644 --- a/drivers/scsi/qla2xxx/qla_bsg.c +++ b/drivers/scsi/qla2xxx/qla_bsg.c @@ -11,29 +11,36 @@ #include <linux/delay.h> /* BSG support for ELS/CT pass through */ -inline srb_t * -qla2x00_get_ctx_bsg_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size) +void +qla2x00_bsg_job_done(void *data, void *ptr, int res) { - srb_t *sp; + srb_t *sp = (srb_t *)ptr; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; + + bsg_job->reply->result = res; + bsg_job->job_done(bsg_job); + sp->free(vha, sp); +} + +void +qla2x00_bsg_sp_free(void *data, void *ptr) +{ + srb_t *sp = (srb_t *)ptr; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; struct qla_hw_data *ha = vha->hw; - struct srb_ctx *ctx; - sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL); - if (!sp) - goto done; - ctx = kzalloc(size, GFP_KERNEL); - if (!ctx) { - mempool_free(sp, ha->srb_mempool); - sp = NULL; - goto done; - } + dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, + bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); - memset(sp, 0, sizeof(*sp)); - sp->fcport = fcport; - sp->ctx = ctx; - ctx->iocbs = 1; -done: - return sp; + dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, + bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); + + if (sp->type == SRB_CT_CMD || + sp->type == SRB_ELS_CMD_HST) + kfree(sp->fcport); + mempool_free(sp, vha->hw->srb_mempool); } int @@ -101,20 +108,11 @@ qla24xx_proc_fcp_prio_cfg_cmd(struct fc_bsg_job *bsg_job) uint32_t len; uint32_t oper; - bsg_job->reply->reply_payload_rcv_len = 0; - if (!(IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA82XX(ha))) { ret = -EINVAL; goto exit_fcp_prio_cfg; } - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { - ret = -EBUSY; - goto exit_fcp_prio_cfg; - } - /* Get the sub command */ oper = bsg_job->request->rqst_data.h_vendor.vendor_cmd[1]; @@ -224,6 +222,7 @@ exit_fcp_prio_cfg: bsg_job->job_done(bsg_job); return ret; } + static int qla2x00_process_els(struct fc_bsg_job *bsg_job) { @@ -237,7 +236,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) int req_sg_cnt, rsp_sg_cnt; int rval = (DRIVER_ERROR << 16); uint16_t nextlid = 0; - struct srb_ctx *els; if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) { rport = bsg_job->rport; @@ -344,20 +342,21 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) } /* Alloc SRB structure */ - sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx)); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { rval = -ENOMEM; goto done_unmap_sg; } - els = sp->ctx; - els->type = + sp->type = (bsg_job->request->msgcode == FC_BSG_RPT_ELS ? SRB_ELS_CMD_RPT : SRB_ELS_CMD_HST); - els->name = + sp->name = (bsg_job->request->msgcode == FC_BSG_RPT_ELS ? "bsg_els_rpt" : "bsg_els_hst"); - els->u.bsg_job = bsg_job; + sp->u.bsg_job = bsg_job; + sp->free = qla2x00_bsg_sp_free; + sp->done = qla2x00_bsg_job_done; ql_dbg(ql_dbg_user, vha, 0x700a, "bsg rqst type: %s els type: %x - loop-id=%x " @@ -369,7 +368,6 @@ qla2x00_process_els(struct fc_bsg_job *bsg_job) if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x700e, "qla2x00_start_sp failed = %d\n", rval); - kfree(sp->ctx); mempool_free(sp, ha->srb_mempool); rval = -EIO; goto done_unmap_sg; @@ -416,7 +414,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job) uint16_t loop_id; struct fc_port *fcport; char *type = "FC_BSG_HST_CT"; - struct srb_ctx *ct; req_sg_cnt = dma_map_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, @@ -493,19 +490,20 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job) fcport->loop_id = loop_id; /* Alloc SRB structure */ - sp = qla2x00_get_ctx_bsg_sp(vha, fcport, sizeof(struct srb_ctx)); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) { ql_log(ql_log_warn, vha, 0x7015, - "qla2x00_get_ctx_bsg_sp failed.\n"); + "qla2x00_get_sp failed.\n"); rval = -ENOMEM; goto done_free_fcport; } - ct = sp->ctx; - ct->type = SRB_CT_CMD; - ct->name = "bsg_ct"; - ct->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt); - ct->u.bsg_job = bsg_job; + sp->type = SRB_CT_CMD; + sp->name = "bsg_ct"; + sp->iocbs = qla24xx_calc_ct_iocbs(req_sg_cnt + rsp_sg_cnt); + sp->u.bsg_job = bsg_job; + sp->free = qla2x00_bsg_sp_free; + sp->done = qla2x00_bsg_job_done; ql_dbg(ql_dbg_user, vha, 0x7016, "bsg rqst type: %s else type: %x - " @@ -518,7 +516,6 @@ qla2x00_process_ct(struct fc_bsg_job *bsg_job) if (rval != QLA_SUCCESS) { ql_log(ql_log_warn, vha, 0x7017, "qla2x00_start_sp failed=%d.\n", rval); - kfree(sp->ctx); mempool_free(sp, ha->srb_mempool); rval = -EIO; goto done_free_fcport; @@ -547,7 +544,7 @@ qla81xx_set_internal_loopback(scsi_qla_host_t *vha, uint16_t *config, int rval = 0; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) goto done_set_internal; new_config[0] = config[0] | (ENABLE_INTERNAL_LOOPBACK << 1); @@ -589,7 +586,7 @@ qla81xx_reset_internal_loopback(scsi_qla_host_t *vha, uint16_t *config, uint16_t new_config[4]; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) goto done_reset_internal; memset(new_config, 0 , sizeof(new_config)); @@ -646,13 +643,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) dma_addr_t rsp_data_dma; uint32_t rsp_data_len; - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { - ql_log(ql_log_warn, vha, 0x7018, "Abort active or needed.\n"); - return -EBUSY; - } - if (!vha->flags.online) { ql_log(ql_log_warn, vha, 0x7019, "Host is not online.\n"); return -EIO; @@ -721,7 +711,7 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) if ((ha->current_topology == ISP_CFG_F || (atomic_read(&vha->loop_state) == LOOP_DOWN) || - (IS_QLA81XX(ha) && + ((IS_QLA81XX(ha) || IS_QLA83XX(ha)) && le32_to_cpu(*(uint32_t *)req_data) == ELS_OPCODE_BYTE && req_data_len == MAX_ELS_FRAME_PAYLOAD)) && elreq.options == EXTERNAL_LOOPBACK) { @@ -731,13 +721,12 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) command_sent = INT_DEF_LB_ECHO_CMD; rval = qla2x00_echo_test(vha, &elreq, response); } else { - if (IS_QLA81XX(ha)) { + if (IS_QLA81XX(ha) || IS_QLA8031(ha)) { memset(config, 0, sizeof(config)); memset(new_config, 0, sizeof(new_config)); if (qla81xx_get_port_config(vha, config)) { ql_log(ql_log_warn, vha, 0x701f, "Get port config failed.\n"); - bsg_job->reply->reply_payload_rcv_len = 0; bsg_job->reply->result = (DID_ERROR << 16); rval = -EPERM; goto done_free_dma_req; @@ -751,8 +740,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) new_config)) { ql_log(ql_log_warn, vha, 0x7024, "Internal loopback failed.\n"); - bsg_job->reply->reply_payload_rcv_len = - 0; bsg_job->reply->result = (DID_ERROR << 16); rval = -EPERM; @@ -764,8 +751,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) */ if (qla81xx_reset_internal_loopback(vha, config, 1)) { - bsg_job->reply->reply_payload_rcv_len = - 0; bsg_job->reply->result = (DID_ERROR << 16); rval = -EPERM; @@ -802,7 +787,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) "MPI reset failed.\n"); } - bsg_job->reply->reply_payload_rcv_len = 0; bsg_job->reply->result = (DID_ERROR << 16); rval = -EIO; goto done_free_dma_req; @@ -827,7 +811,6 @@ qla2x00_process_loopback(struct fc_bsg_job *bsg_job) fw_sts_ptr += sizeof(response); *fw_sts_ptr = command_sent; rval = 0; - bsg_job->reply->reply_payload_rcv_len = 0; bsg_job->reply->result = (DID_ERROR << 16); } else { ql_dbg(ql_dbg_user, vha, 0x702d, @@ -874,13 +857,6 @@ qla84xx_reset(struct fc_bsg_job *bsg_job) int rval = 0; uint32_t flag; - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { - ql_log(ql_log_warn, vha, 0x702e, "Abort active or needed.\n"); - return -EBUSY; - } - if (!IS_QLA84XX(ha)) { ql_dbg(ql_dbg_user, vha, 0x702f, "Not 84xx, exiting.\n"); return -EINVAL; @@ -893,7 +869,7 @@ qla84xx_reset(struct fc_bsg_job *bsg_job) if (rval) { ql_log(ql_log_warn, vha, 0x7030, "Vendor request 84xx reset failed.\n"); - rval = bsg_job->reply->reply_payload_rcv_len = 0; + rval = 0; bsg_job->reply->result = (DID_ERROR << 16); } else { @@ -922,11 +898,6 @@ qla84xx_updatefw(struct fc_bsg_job *bsg_job) uint32_t flag; uint32_t fw_ver; - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) - return -EBUSY; - if (!IS_QLA84XX(ha)) { ql_dbg(ql_dbg_user, vha, 0x7032, "Not 84xx, exiting.\n"); @@ -997,9 +968,8 @@ qla84xx_updatefw(struct fc_bsg_job *bsg_job) ql_log(ql_log_warn, vha, 0x7037, "Vendor request 84xx updatefw failed.\n"); - rval = bsg_job->reply->reply_payload_rcv_len = 0; + rval = 0; bsg_job->reply->result = (DID_ERROR << 16); - } else { ql_dbg(ql_dbg_user, vha, 0x7038, "Vendor request 84xx updatefw completed.\n"); @@ -1036,14 +1006,6 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job) uint32_t data_len = 0; uint32_t dma_direction = DMA_NONE; - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { - ql_log(ql_log_warn, vha, 0x7039, - "Abort active or needed.\n"); - return -EBUSY; - } - if (!IS_QLA84XX(ha)) { ql_log(ql_log_warn, vha, 0x703a, "Not 84xx, exiting.\n"); @@ -1193,7 +1155,7 @@ qla84xx_mgmt_cmd(struct fc_bsg_job *bsg_job) ql_log(ql_log_warn, vha, 0x7043, "Vendor request 84xx mgmt failed.\n"); - rval = bsg_job->reply->reply_payload_rcv_len = 0; + rval = 0; bsg_job->reply->result = (DID_ERROR << 16); } else { @@ -1244,15 +1206,6 @@ qla24xx_iidma(struct fc_bsg_job *bsg_job) uint16_t mb[MAILBOX_REGISTER_COUNT]; uint8_t *rsp_ptr = NULL; - bsg_job->reply->reply_payload_rcv_len = 0; - - if (test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || - test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags) || - test_bit(ISP_ABORT_RETRY, &vha->dpc_flags)) { - ql_log(ql_log_warn, vha, 0x7045, "abort active or needed.\n"); - return -EBUSY; - } - if (!IS_IIDMA_CAPABLE(vha->hw)) { ql_log(ql_log_info, vha, 0x7046, "iiDMA not supported.\n"); return -EINVAL; @@ -1345,8 +1298,6 @@ qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha, int valid = 0; struct qla_hw_data *ha = vha->hw; - bsg_job->reply->reply_payload_rcv_len = 0; - if (unlikely(pci_channel_offline(ha->pdev))) return -EINVAL; @@ -1372,7 +1323,7 @@ qla2x00_optrom_setup(struct fc_bsg_job *bsg_job, scsi_qla_host_t *vha, start == (ha->flt_region_fw * 4)) valid = 1; else if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || - IS_QLA8XXX_TYPE(ha)) + IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) valid = 1; if (!valid) { ql_log(ql_log_warn, vha, 0x7058, @@ -1658,6 +1609,9 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job) struct Scsi_Host *host; scsi_qla_host_t *vha; + /* In case no data transferred. */ + bsg_job->reply->reply_payload_rcv_len = 0; + if (bsg_job->request->msgcode == FC_BSG_RPT_ELS) { rport = bsg_job->rport; fcport = *(fc_port_t **) rport->dd_data; @@ -1668,6 +1622,15 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job) vha = shost_priv(host); } + if (qla2x00_reset_active(vha)) { + ql_dbg(ql_dbg_user, vha, 0x709f, + "BSG: ISP abort active/needed -- cmd=%d.\n", + bsg_job->request->msgcode); + bsg_job->reply->result = (DID_ERROR << 16); + bsg_job->job_done(bsg_job); + return -EBUSY; + } + ql_dbg(ql_dbg_user, vha, 0x7000, "Entered %s msgcode=0x%x.\n", __func__, bsg_job->request->msgcode); @@ -1687,6 +1650,7 @@ qla24xx_bsg_request(struct fc_bsg_job *bsg_job) case FC_BSG_RPT_CT: default: ql_log(ql_log_warn, vha, 0x705a, "Unsupported BSG request.\n"); + bsg_job->reply->result = ret; break; } return ret; @@ -1701,7 +1665,6 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job) int cnt, que; unsigned long flags; struct req_que *req; - struct srb_ctx *sp_bsg; /* find the bsg job from the active list of commands */ spin_lock_irqsave(&ha->hardware_lock, flags); @@ -1713,11 +1676,9 @@ qla24xx_bsg_timeout(struct fc_bsg_job *bsg_job) for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { - sp_bsg = sp->ctx; - - if (((sp_bsg->type == SRB_CT_CMD) || - (sp_bsg->type == SRB_ELS_CMD_HST)) - && (sp_bsg->u.bsg_job == bsg_job)) { + if (((sp->type == SRB_CT_CMD) || + (sp->type == SRB_ELS_CMD_HST)) + && (sp->u.bsg_job == bsg_job)) { spin_unlock_irqrestore(&ha->hardware_lock, flags); if (ha->isp_ops->abort_command(sp)) { ql_log(ql_log_warn, vha, 0x7089, @@ -1747,7 +1708,6 @@ done: spin_unlock_irqrestore(&ha->hardware_lock, flags); if (bsg_job->request->msgcode == FC_BSG_HST_CT) kfree(sp->fcport); - kfree(sp->ctx); mempool_free(sp, ha->srb_mempool); return 0; } diff --git a/drivers/scsi/qla2xxx/qla_dbg.c b/drivers/scsi/qla2xxx/qla_dbg.c index 7c54624b5b1..897731b93df 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.c +++ b/drivers/scsi/qla2xxx/qla_dbg.c @@ -11,22 +11,27 @@ * ---------------------------------------------------------------------- * | Level | Last Value Used | Holes | * ---------------------------------------------------------------------- - * | Module Init and Probe | 0x0116 | 0xfa | - * | Mailbox commands | 0x112b | | - * | Device Discovery | 0x2084 | | - * | Queue Command and IO tracing | 0x302f | 0x3008,0x302d, | - * | | | 0x302e | + * | Module Init and Probe | 0x0120 | 0x4b,0xba,0xfa | + * | Mailbox commands | 0x113e | 0x112c-0x112e | + * | | | 0x113a | + * | Device Discovery | 0x2086 | 0x2020-0x2022 | + * | Queue Command and IO tracing | 0x302f | 0x3006,0x3008 | + * | | | 0x302d-0x302e | * | DPC Thread | 0x401c | | - * | Async Events | 0x5057 | 0x5052 | - * | Timer Routines | 0x6011 | 0x600e,0x600f | - * | User Space Interactions | 0x709e | | + * | Async Events | 0x505d | 0x502b-0x502f | + * | | | 0x5047,0x5052 | + * | Timer Routines | 0x6011 | 0x600e-0x600f | + * | User Space Interactions | 0x709f | 0x7018,0x702e, | + * | | | 0x7039,0x7045, | + * | | | 0x7073-0x7075, | + * | | | 0x708c | * | Task Management | 0x803c | 0x8025-0x8026 | * | | | 0x800b,0x8039 | * | AER/EEH | 0x900f | | * | Virtual Port | 0xa007 | | - * | ISP82XX Specific | 0xb052 | | - * | MultiQ | 0xc00b | | - * | Misc | 0xd00b | | + * | ISP82XX Specific | 0xb054 | 0xb053 | + * | MultiQ | 0xc00c | | + * | Misc | 0xd010 | | * ---------------------------------------------------------------------- */ @@ -84,7 +89,7 @@ qla24xx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint32_t *ram, WRT_REG_WORD(®->mailbox0, MBC_DUMP_RISC_RAM_EXTENDED); clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - dwords = GID_LIST_SIZE / 4; + dwords = qla2x00_gid_list_size(ha) / 4; for (cnt = 0; cnt < ram_dwords && rval == QLA_SUCCESS; cnt += dwords, addr += dwords) { if (cnt + dwords > ram_dwords) @@ -259,7 +264,7 @@ qla2xxx_dump_ram(struct qla_hw_data *ha, uint32_t addr, uint16_t *ram, WRT_MAILBOX_REG(ha, reg, 0, MBC_DUMP_RISC_RAM_EXTENDED); clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); - words = GID_LIST_SIZE / 2; + words = qla2x00_gid_list_size(ha) / 2; for (cnt = 0; cnt < ram_words && rval == QLA_SUCCESS; cnt += words, addr += words) { if (cnt + words > ram_words) @@ -374,6 +379,77 @@ qla25xx_copy_fce(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) } static inline void * +qla25xx_copy_mqueues(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) +{ + struct qla2xxx_mqueue_chain *q; + struct qla2xxx_mqueue_header *qh; + struct req_que *req; + struct rsp_que *rsp; + int que; + + if (!ha->mqenable) + return ptr; + + /* Request queues */ + for (que = 1; que < ha->max_req_queues; que++) { + req = ha->req_q_map[que]; + if (!req) + break; + + /* Add chain. */ + q = ptr; + *last_chain = &q->type; + q->type = __constant_htonl(DUMP_CHAIN_QUEUE); + q->chain_size = htonl( + sizeof(struct qla2xxx_mqueue_chain) + + sizeof(struct qla2xxx_mqueue_header) + + (req->length * sizeof(request_t))); + ptr += sizeof(struct qla2xxx_mqueue_chain); + + /* Add header. */ + qh = ptr; + qh->queue = __constant_htonl(TYPE_REQUEST_QUEUE); + qh->number = htonl(que); + qh->size = htonl(req->length * sizeof(request_t)); + ptr += sizeof(struct qla2xxx_mqueue_header); + + /* Add data. */ + memcpy(ptr, req->ring, req->length * sizeof(request_t)); + ptr += req->length * sizeof(request_t); + } + + /* Response queues */ + for (que = 1; que < ha->max_rsp_queues; que++) { + rsp = ha->rsp_q_map[que]; + if (!rsp) + break; + + /* Add chain. */ + q = ptr; + *last_chain = &q->type; + q->type = __constant_htonl(DUMP_CHAIN_QUEUE); + q->chain_size = htonl( + sizeof(struct qla2xxx_mqueue_chain) + + sizeof(struct qla2xxx_mqueue_header) + + (rsp->length * sizeof(response_t))); + ptr += sizeof(struct qla2xxx_mqueue_chain); + + /* Add header. */ + qh = ptr; + qh->queue = __constant_htonl(TYPE_RESPONSE_QUEUE); + qh->number = htonl(que); + qh->size = htonl(rsp->length * sizeof(response_t)); + ptr += sizeof(struct qla2xxx_mqueue_header); + + /* Add data. */ + memcpy(ptr, rsp->ring, rsp->length * sizeof(response_t)); + ptr += rsp->length * sizeof(response_t); + } + + return ptr; +} + +static inline void * qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) { uint32_t cnt, que_idx; @@ -381,7 +457,7 @@ qla25xx_copy_mq(struct qla_hw_data *ha, void *ptr, uint32_t **last_chain) struct qla2xxx_mq_chain *mq = ptr; struct device_reg_25xxmq __iomem *reg; - if (!ha->mqenable) + if (!ha->mqenable || IS_QLA83XX(ha)) return ptr; mq = ptr; @@ -1321,12 +1397,16 @@ qla25xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) nxt = qla24xx_copy_eft(ha, nxt); /* Chain entries -- started with MQ. */ - qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain); if (last_chain) { ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); *last_chain |= __constant_htonl(DUMP_CHAIN_LAST); } + /* Adjust valid length. */ + ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump); + qla25xx_fw_dump_failed_0: qla2xxx_dump_post_process(base_vha, rval); @@ -1635,12 +1715,16 @@ qla81xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) nxt = qla24xx_copy_eft(ha, nxt); /* Chain entries -- started with MQ. */ - qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain); if (last_chain) { ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); *last_chain |= __constant_htonl(DUMP_CHAIN_LAST); } + /* Adjust valid length. */ + ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump); + qla81xx_fw_dump_failed_0: qla2xxx_dump_post_process(base_vha, rval); @@ -1649,6 +1733,507 @@ qla81xx_fw_dump_failed: spin_unlock_irqrestore(&ha->hardware_lock, flags); } +void +qla83xx_fw_dump(scsi_qla_host_t *vha, int hardware_locked) +{ + int rval; + uint32_t cnt, reg_data; + uint32_t risc_address; + struct qla_hw_data *ha = vha->hw; + struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; + uint32_t __iomem *dmp_reg; + uint32_t *iter_reg; + uint16_t __iomem *mbx_reg; + unsigned long flags; + struct qla83xx_fw_dump *fw; + uint32_t ext_mem_cnt; + void *nxt, *nxt_chain; + uint32_t *last_chain = NULL; + struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); + + risc_address = ext_mem_cnt = 0; + flags = 0; + + if (!hardware_locked) + spin_lock_irqsave(&ha->hardware_lock, flags); + + if (!ha->fw_dump) { + ql_log(ql_log_warn, vha, 0xd00c, + "No buffer available for dump!!!\n"); + goto qla83xx_fw_dump_failed; + } + + if (ha->fw_dumped) { + ql_log(ql_log_warn, vha, 0xd00d, + "Firmware has been previously dumped (%p) -- ignoring " + "request...\n", ha->fw_dump); + goto qla83xx_fw_dump_failed; + } + fw = &ha->fw_dump->isp.isp83; + qla2xxx_prep_dump(ha, ha->fw_dump); + + fw->host_status = htonl(RD_REG_DWORD(®->host_status)); + + /* Pause RISC. */ + rval = qla24xx_pause_risc(reg); + if (rval != QLA_SUCCESS) + goto qla83xx_fw_dump_failed_0; + + WRT_REG_DWORD(®->iobase_addr, 0x6000); + dmp_reg = ®->iobase_window; + reg_data = RD_REG_DWORD(dmp_reg); + WRT_REG_DWORD(dmp_reg, 0); + + dmp_reg = ®->unused_4_1[0]; + reg_data = RD_REG_DWORD(dmp_reg); + WRT_REG_DWORD(dmp_reg, 0); + + WRT_REG_DWORD(®->iobase_addr, 0x6010); + dmp_reg = ®->unused_4_1[2]; + reg_data = RD_REG_DWORD(dmp_reg); + WRT_REG_DWORD(dmp_reg, 0); + + /* select PCR and disable ecc checking and correction */ + WRT_REG_DWORD(®->iobase_addr, 0x0F70); + RD_REG_DWORD(®->iobase_addr); + WRT_REG_DWORD(®->iobase_select, 0x60000000); /* write to F0h = PCR */ + + /* Host/Risc registers. */ + iter_reg = fw->host_risc_reg; + iter_reg = qla24xx_read_window(reg, 0x7000, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x7010, 16, iter_reg); + qla24xx_read_window(reg, 0x7040, 16, iter_reg); + + /* PCIe registers. */ + WRT_REG_DWORD(®->iobase_addr, 0x7C00); + RD_REG_DWORD(®->iobase_addr); + WRT_REG_DWORD(®->iobase_window, 0x01); + dmp_reg = ®->iobase_c4; + fw->pcie_regs[0] = htonl(RD_REG_DWORD(dmp_reg++)); + fw->pcie_regs[1] = htonl(RD_REG_DWORD(dmp_reg++)); + fw->pcie_regs[2] = htonl(RD_REG_DWORD(dmp_reg)); + fw->pcie_regs[3] = htonl(RD_REG_DWORD(®->iobase_window)); + + WRT_REG_DWORD(®->iobase_window, 0x00); + RD_REG_DWORD(®->iobase_window); + + /* Host interface registers. */ + dmp_reg = ®->flash_addr; + for (cnt = 0; cnt < sizeof(fw->host_reg) / 4; cnt++) + fw->host_reg[cnt] = htonl(RD_REG_DWORD(dmp_reg++)); + + /* Disable interrupts. */ + WRT_REG_DWORD(®->ictrl, 0); + RD_REG_DWORD(®->ictrl); + + /* Shadow registers. */ + WRT_REG_DWORD(®->iobase_addr, 0x0F70); + RD_REG_DWORD(®->iobase_addr); + WRT_REG_DWORD(®->iobase_select, 0xB0000000); + fw->shadow_reg[0] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0100000); + fw->shadow_reg[1] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0200000); + fw->shadow_reg[2] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0300000); + fw->shadow_reg[3] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0400000); + fw->shadow_reg[4] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0500000); + fw->shadow_reg[5] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0600000); + fw->shadow_reg[6] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0700000); + fw->shadow_reg[7] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0800000); + fw->shadow_reg[8] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0900000); + fw->shadow_reg[9] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + WRT_REG_DWORD(®->iobase_select, 0xB0A00000); + fw->shadow_reg[10] = htonl(RD_REG_DWORD(®->iobase_sdata)); + + /* RISC I/O register. */ + WRT_REG_DWORD(®->iobase_addr, 0x0010); + fw->risc_io_reg = htonl(RD_REG_DWORD(®->iobase_window)); + + /* Mailbox registers. */ + mbx_reg = ®->mailbox0; + for (cnt = 0; cnt < sizeof(fw->mailbox_reg) / 2; cnt++) + fw->mailbox_reg[cnt] = htons(RD_REG_WORD(mbx_reg++)); + + /* Transfer sequence registers. */ + iter_reg = fw->xseq_gp_reg; + iter_reg = qla24xx_read_window(reg, 0xBE00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBE70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBF60, 16, iter_reg); + qla24xx_read_window(reg, 0xBF70, 16, iter_reg); + + iter_reg = fw->xseq_0_reg; + iter_reg = qla24xx_read_window(reg, 0xBFC0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xBFD0, 16, iter_reg); + qla24xx_read_window(reg, 0xBFE0, 16, iter_reg); + + qla24xx_read_window(reg, 0xBFF0, 16, fw->xseq_1_reg); + + qla24xx_read_window(reg, 0xBEF0, 16, fw->xseq_2_reg); + + /* Receive sequence registers. */ + iter_reg = fw->rseq_gp_reg; + iter_reg = qla24xx_read_window(reg, 0xFE00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFE70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xFF60, 16, iter_reg); + qla24xx_read_window(reg, 0xFF70, 16, iter_reg); + + iter_reg = fw->rseq_0_reg; + iter_reg = qla24xx_read_window(reg, 0xFFC0, 16, iter_reg); + qla24xx_read_window(reg, 0xFFD0, 16, iter_reg); + + qla24xx_read_window(reg, 0xFFE0, 16, fw->rseq_1_reg); + qla24xx_read_window(reg, 0xFFF0, 16, fw->rseq_2_reg); + qla24xx_read_window(reg, 0xFEF0, 16, fw->rseq_3_reg); + + /* Auxiliary sequence registers. */ + iter_reg = fw->aseq_gp_reg; + iter_reg = qla24xx_read_window(reg, 0xB000, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB010, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB020, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB030, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB040, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB050, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB060, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB070, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB100, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB110, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB120, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB130, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB140, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB150, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0xB160, 16, iter_reg); + qla24xx_read_window(reg, 0xB170, 16, iter_reg); + + iter_reg = fw->aseq_0_reg; + iter_reg = qla24xx_read_window(reg, 0xB0C0, 16, iter_reg); + qla24xx_read_window(reg, 0xB0D0, 16, iter_reg); + + qla24xx_read_window(reg, 0xB0E0, 16, fw->aseq_1_reg); + qla24xx_read_window(reg, 0xB0F0, 16, fw->aseq_2_reg); + qla24xx_read_window(reg, 0xB1F0, 16, fw->aseq_3_reg); + + /* Command DMA registers. */ + iter_reg = fw->cmd_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7100, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x7120, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x7130, 16, iter_reg); + qla24xx_read_window(reg, 0x71F0, 16, iter_reg); + + /* Queues. */ + iter_reg = fw->req0_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7200, 8, iter_reg); + dmp_reg = ®->iobase_q; + for (cnt = 0; cnt < 7; cnt++) + *iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++)); + + iter_reg = fw->resp0_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7300, 8, iter_reg); + dmp_reg = ®->iobase_q; + for (cnt = 0; cnt < 7; cnt++) + *iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++)); + + iter_reg = fw->req1_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7400, 8, iter_reg); + dmp_reg = ®->iobase_q; + for (cnt = 0; cnt < 7; cnt++) + *iter_reg++ = htonl(RD_REG_DWORD(dmp_reg++)); + + /* Transmit DMA registers. */ + iter_reg = fw->xmt0_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7600, 16, iter_reg); + qla24xx_read_window(reg, 0x7610, 16, iter_reg); + + iter_reg = fw->xmt1_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7620, 16, iter_reg); + qla24xx_read_window(reg, 0x7630, 16, iter_reg); + + iter_reg = fw->xmt2_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7640, 16, iter_reg); + qla24xx_read_window(reg, 0x7650, 16, iter_reg); + + iter_reg = fw->xmt3_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7660, 16, iter_reg); + qla24xx_read_window(reg, 0x7670, 16, iter_reg); + + iter_reg = fw->xmt4_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7680, 16, iter_reg); + qla24xx_read_window(reg, 0x7690, 16, iter_reg); + + qla24xx_read_window(reg, 0x76A0, 16, fw->xmt_data_dma_reg); + + /* Receive DMA registers. */ + iter_reg = fw->rcvt0_data_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7700, 16, iter_reg); + qla24xx_read_window(reg, 0x7710, 16, iter_reg); + + iter_reg = fw->rcvt1_data_dma_reg; + iter_reg = qla24xx_read_window(reg, 0x7720, 16, iter_reg); + qla24xx_read_window(reg, 0x7730, 16, iter_reg); + + /* RISC registers. */ + iter_reg = fw->risc_gp_reg; + iter_reg = qla24xx_read_window(reg, 0x0F00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x0F60, 16, iter_reg); + qla24xx_read_window(reg, 0x0F70, 16, iter_reg); + + /* Local memory controller registers. */ + iter_reg = fw->lmc_reg; + iter_reg = qla24xx_read_window(reg, 0x3000, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3010, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3020, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3030, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3040, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3050, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x3060, 16, iter_reg); + qla24xx_read_window(reg, 0x3070, 16, iter_reg); + + /* Fibre Protocol Module registers. */ + iter_reg = fw->fpm_hdw_reg; + iter_reg = qla24xx_read_window(reg, 0x4000, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4010, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4020, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4030, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4040, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4050, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4060, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4070, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4080, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x4090, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x40A0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x40B0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x40C0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x40D0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x40E0, 16, iter_reg); + qla24xx_read_window(reg, 0x40F0, 16, iter_reg); + + /* RQ0 Array registers. */ + iter_reg = fw->rq0_array_reg; + iter_reg = qla24xx_read_window(reg, 0x5C00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C80, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5C90, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5CA0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5CB0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5CC0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5CD0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5CE0, 16, iter_reg); + qla24xx_read_window(reg, 0x5CF0, 16, iter_reg); + + /* RQ1 Array registers. */ + iter_reg = fw->rq1_array_reg; + iter_reg = qla24xx_read_window(reg, 0x5D00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D80, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5D90, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5DA0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5DB0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5DC0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5DD0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5DE0, 16, iter_reg); + qla24xx_read_window(reg, 0x5DF0, 16, iter_reg); + + /* RP0 Array registers. */ + iter_reg = fw->rp0_array_reg; + iter_reg = qla24xx_read_window(reg, 0x5E00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E80, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5E90, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5EA0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5EB0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5EC0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5ED0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5EE0, 16, iter_reg); + qla24xx_read_window(reg, 0x5EF0, 16, iter_reg); + + /* RP1 Array registers. */ + iter_reg = fw->rp1_array_reg; + iter_reg = qla24xx_read_window(reg, 0x5F00, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F10, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F20, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F30, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F40, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F50, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F60, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F70, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F80, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5F90, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5FA0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5FB0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5FC0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5FD0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x5FE0, 16, iter_reg); + qla24xx_read_window(reg, 0x5FF0, 16, iter_reg); + + iter_reg = fw->at0_array_reg; + iter_reg = qla24xx_read_window(reg, 0x7080, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x7090, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x70A0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x70B0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x70C0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x70D0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x70E0, 16, iter_reg); + qla24xx_read_window(reg, 0x70F0, 16, iter_reg); + + /* I/O Queue Control registers. */ + qla24xx_read_window(reg, 0x7800, 16, fw->queue_control_reg); + + /* Frame Buffer registers. */ + iter_reg = fw->fb_hdw_reg; + iter_reg = qla24xx_read_window(reg, 0x6000, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6010, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6020, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6030, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6040, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6060, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6070, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6100, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6130, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6150, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6170, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6190, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x61B0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x61C0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6530, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6540, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6550, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6560, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6570, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6580, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x6590, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x65A0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x65B0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x65C0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x65D0, 16, iter_reg); + iter_reg = qla24xx_read_window(reg, 0x65E0, 16, iter_reg); + qla24xx_read_window(reg, 0x6F00, 16, iter_reg); + + /* Multi queue registers */ + nxt_chain = qla25xx_copy_mq(ha, (void *)ha->fw_dump + ha->chain_offset, + &last_chain); + + rval = qla24xx_soft_reset(ha); + if (rval != QLA_SUCCESS) { + ql_log(ql_log_warn, vha, 0xd00e, + "SOFT RESET FAILED, forcing continuation of dump!!!\n"); + rval = QLA_SUCCESS; + + ql_log(ql_log_warn, vha, 0xd00f, "try a bigger hammer!!!\n"); + + WRT_REG_DWORD(®->hccr, HCCRX_SET_RISC_RESET); + RD_REG_DWORD(®->hccr); + + WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); + RD_REG_DWORD(®->hccr); + + WRT_REG_DWORD(®->hccr, HCCRX_CLR_RISC_RESET); + RD_REG_DWORD(®->hccr); + + for (cnt = 30000; cnt && (RD_REG_WORD(®->mailbox0)); cnt--) + udelay(5); + + if (!cnt) { + nxt = fw->code_ram; + nxt += sizeof(fw->code_ram), + nxt += (ha->fw_memory_size - 0x100000 + 1); + goto copy_queue; + } else + ql_log(ql_log_warn, vha, 0xd010, + "bigger hammer success?\n"); + } + + rval = qla24xx_dump_memory(ha, fw->code_ram, sizeof(fw->code_ram), + &nxt); + if (rval != QLA_SUCCESS) + goto qla83xx_fw_dump_failed_0; + +copy_queue: + nxt = qla2xxx_copy_queues(ha, nxt); + + nxt = qla24xx_copy_eft(ha, nxt); + + /* Chain entries -- started with MQ. */ + nxt_chain = qla25xx_copy_fce(ha, nxt_chain, &last_chain); + nxt_chain = qla25xx_copy_mqueues(ha, nxt_chain, &last_chain); + if (last_chain) { + ha->fw_dump->version |= __constant_htonl(DUMP_CHAIN_VARIANT); + *last_chain |= __constant_htonl(DUMP_CHAIN_LAST); + } + + /* Adjust valid length. */ + ha->fw_dump_len = (nxt_chain - (void *)ha->fw_dump); + +qla83xx_fw_dump_failed_0: + qla2xxx_dump_post_process(base_vha, rval); + +qla83xx_fw_dump_failed: + if (!hardware_locked) + spin_unlock_irqrestore(&ha->hardware_lock, flags); +} + /****************************************************************************/ /* Driver Debug Functions. */ /****************************************************************************/ @@ -1781,13 +2366,13 @@ ql_log(uint32_t level, scsi_qla_host_t *vha, int32_t id, const char *fmt, ...) vaf.va = &va; switch (level) { - case 0: /* FATAL LOG */ + case ql_log_fatal: /* FATAL LOG */ pr_crit("%s%pV", pbuf, &vaf); break; - case 1: + case ql_log_warn: pr_err("%s%pV", pbuf, &vaf); break; - case 2: + case ql_log_info: pr_warn("%s%pV", pbuf, &vaf); break; default: @@ -1836,13 +2421,13 @@ ql_log_pci(uint32_t level, struct pci_dev *pdev, int32_t id, vaf.va = &va; switch (level) { - case 0: /* FATAL LOG */ + case ql_log_fatal: /* FATAL LOG */ pr_crit("%s%pV", pbuf, &vaf); break; - case 1: + case ql_log_warn: pr_err("%s%pV", pbuf, &vaf); break; - case 2: + case ql_log_info: pr_warn("%s%pV", pbuf, &vaf); break; default: diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h index 5f1b6d9c3dc..2157bdf1569 100644 --- a/drivers/scsi/qla2xxx/qla_dbg.h +++ b/drivers/scsi/qla2xxx/qla_dbg.h @@ -165,6 +165,54 @@ struct qla81xx_fw_dump { uint32_t ext_mem[1]; }; +struct qla83xx_fw_dump { + uint32_t host_status; + uint32_t host_risc_reg[48]; + uint32_t pcie_regs[4]; + uint32_t host_reg[32]; + uint32_t shadow_reg[11]; + uint32_t risc_io_reg; + uint16_t mailbox_reg[32]; + uint32_t xseq_gp_reg[256]; + uint32_t xseq_0_reg[48]; + uint32_t xseq_1_reg[16]; + uint32_t xseq_2_reg[16]; + uint32_t rseq_gp_reg[256]; + uint32_t rseq_0_reg[32]; + uint32_t rseq_1_reg[16]; + uint32_t rseq_2_reg[16]; + uint32_t rseq_3_reg[16]; + uint32_t aseq_gp_reg[256]; + uint32_t aseq_0_reg[32]; + uint32_t aseq_1_reg[16]; + uint32_t aseq_2_reg[16]; + uint32_t aseq_3_reg[16]; + uint32_t cmd_dma_reg[64]; + uint32_t req0_dma_reg[15]; + uint32_t resp0_dma_reg[15]; + uint32_t req1_dma_reg[15]; + uint32_t xmt0_dma_reg[32]; + uint32_t xmt1_dma_reg[32]; + uint32_t xmt2_dma_reg[32]; + uint32_t xmt3_dma_reg[32]; + uint32_t xmt4_dma_reg[32]; + uint32_t xmt_data_dma_reg[16]; + uint32_t rcvt0_data_dma_reg[32]; + uint32_t rcvt1_data_dma_reg[32]; + uint32_t risc_gp_reg[128]; + uint32_t lmc_reg[128]; + uint32_t fpm_hdw_reg[256]; + uint32_t rq0_array_reg[256]; + uint32_t rq1_array_reg[256]; + uint32_t rp0_array_reg[256]; + uint32_t rp1_array_reg[256]; + uint32_t queue_control_reg[16]; + uint32_t fb_hdw_reg[432]; + uint32_t at0_array_reg[128]; + uint32_t code_ram[0x2400]; + uint32_t ext_mem[1]; +}; + #define EFT_NUM_BUFFERS 4 #define EFT_BYTES_PER_BUFFER 0x4000 #define EFT_SIZE ((EFT_BYTES_PER_BUFFER) * (EFT_NUM_BUFFERS)) @@ -192,9 +240,23 @@ struct qla2xxx_mq_chain { uint32_t qregs[4 * QLA_MQ_SIZE]; }; +struct qla2xxx_mqueue_header { + uint32_t queue; +#define TYPE_REQUEST_QUEUE 0x1 +#define TYPE_RESPONSE_QUEUE 0x2 + uint32_t number; + uint32_t size; +}; + +struct qla2xxx_mqueue_chain { + uint32_t type; + uint32_t chain_size; +}; + #define DUMP_CHAIN_VARIANT 0x80000000 #define DUMP_CHAIN_FCE 0x7FFFFAF0 #define DUMP_CHAIN_MQ 0x7FFFFAF1 +#define DUMP_CHAIN_QUEUE 0x7FFFFAF2 #define DUMP_CHAIN_LAST 0x80000000 struct qla2xxx_fw_dump { @@ -228,6 +290,7 @@ struct qla2xxx_fw_dump { struct qla24xx_fw_dump isp24; struct qla25xx_fw_dump isp25; struct qla81xx_fw_dump isp81; + struct qla83xx_fw_dump isp83; } isp; }; diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h index a6a4eebce4a..a2443031dbe 100644 --- a/drivers/scsi/qla2xxx/qla_def.h +++ b/drivers/scsi/qla2xxx/qla_def.h @@ -44,6 +44,7 @@ * ISP2100 HBAs. */ #define MAILBOX_REGISTER_COUNT_2100 8 +#define MAILBOX_REGISTER_COUNT_2200 24 #define MAILBOX_REGISTER_COUNT 32 #define QLA2200A_RISC_ROM_VER 4 @@ -124,17 +125,17 @@ * Fibre Channel device definitions. */ #define WWN_SIZE 8 /* Size of WWPN, WWN & WWNN */ -#define MAX_FIBRE_DEVICES 512 +#define MAX_FIBRE_DEVICES_2100 512 +#define MAX_FIBRE_DEVICES_2400 2048 +#define MAX_FIBRE_DEVICES_LOOP 128 +#define MAX_FIBRE_DEVICES_MAX MAX_FIBRE_DEVICES_2400 #define MAX_FIBRE_LUNS 0xFFFF -#define MAX_RSCN_COUNT 32 #define MAX_HOST_COUNT 16 /* * Host adapter default definitions. */ #define MAX_BUSES 1 /* We only have one bus today */ -#define MAX_TARGETS_2100 MAX_FIBRE_DEVICES -#define MAX_TARGETS_2200 MAX_FIBRE_DEVICES #define MIN_LUNS 8 #define MAX_LUNS MAX_FIBRE_LUNS #define MAX_CMDS_PER_LUN 255 @@ -201,20 +202,12 @@ struct sd_dif_tuple { /* * SCSI Request Block */ -typedef struct srb { - atomic_t ref_count; - struct fc_port *fcport; - uint32_t handle; - +struct srb_cmd { struct scsi_cmnd *cmd; /* Linux SCSI command pkt */ - - uint16_t flags; - uint32_t request_sense_length; uint8_t *request_sense_ptr; - void *ctx; -} srb_t; +}; /* * SRB flag definitions @@ -253,10 +246,7 @@ struct srb_iocb { } u; struct timer_list timer; - - void (*done)(srb_t *); - void (*free)(srb_t *); - void (*timeout)(srb_t *); + void (*timeout)(void *); }; /* Values for srb_ctx type */ @@ -267,16 +257,37 @@ struct srb_iocb { #define SRB_CT_CMD 5 #define SRB_ADISC_CMD 6 #define SRB_TM_CMD 7 +#define SRB_SCSI_CMD 8 -struct srb_ctx { +typedef struct srb { + atomic_t ref_count; + struct fc_port *fcport; + uint32_t handle; + uint16_t flags; uint16_t type; char *name; int iocbs; union { - struct srb_iocb *iocb_cmd; + struct srb_iocb iocb_cmd; struct fc_bsg_job *bsg_job; + struct srb_cmd scmd; } u; -}; + void (*done)(void *, void *, int); + void (*free)(void *, void *); +} srb_t; + +#define GET_CMD_SP(sp) (sp->u.scmd.cmd) +#define SET_CMD_SP(sp, cmd) (sp->u.scmd.cmd = cmd) +#define GET_CMD_CTX_SP(sp) (sp->u.scmd.ctx) + +#define GET_CMD_SENSE_LEN(sp) \ + (sp->u.scmd.request_sense_length) +#define SET_CMD_SENSE_LEN(sp, len) \ + (sp->u.scmd.request_sense_length = len) +#define GET_CMD_SENSE_PTR(sp) \ + (sp->u.scmd.request_sense_ptr) +#define SET_CMD_SENSE_PTR(sp, ptr) \ + (sp->u.scmd.request_sense_ptr = ptr) struct msg_echo_lb { dma_addr_t send_dma; @@ -652,8 +663,10 @@ typedef struct { #define MBC_DIAGNOSTIC_LOOP_BACK 0x45 /* Diagnostic loop back. */ #define MBC_ONLINE_SELF_TEST 0x46 /* Online self-test. */ #define MBC_ENHANCED_GET_PORT_DATABASE 0x47 /* Get port database + login */ +#define MBC_CONFIGURE_VF 0x4b /* Configure VFs */ #define MBC_RESET_LINK_STATUS 0x52 /* Reset Link Error Status */ #define MBC_IOCB_COMMAND_A64 0x54 /* Execute IOCB command (64) */ +#define MBC_PORT_LOGOUT 0x56 /* Port Logout request */ #define MBC_SEND_RNID_ELS 0x57 /* Send RNID ELS request */ #define MBC_SET_RNID_PARAMS 0x59 /* Set RNID parameters */ #define MBC_GET_RNID_PARAMS 0x5a /* Data Rate */ @@ -1708,6 +1721,7 @@ typedef struct fc_port { uint16_t vp_idx; uint8_t fc4_type; + uint8_t scan_state; } fc_port_t; /* @@ -1760,7 +1774,6 @@ static const char * const port_state_str[] = { #define GID_PT_CMD 0x1A1 #define GID_PT_REQ_SIZE (16 + 4) -#define GID_PT_RSP_SIZE (16 + (MAX_FIBRE_DEVICES * 4)) #define GPN_ID_CMD 0x112 #define GPN_ID_REQ_SIZE (16 + 4) @@ -2050,7 +2063,9 @@ struct ct_sns_rsp { } ga_nxt; struct { - struct ct_sns_gid_pt_data entries[MAX_FIBRE_DEVICES]; + /* Assume the largest number of targets for the union */ + struct ct_sns_gid_pt_data + entries[MAX_FIBRE_DEVICES_MAX]; } gid_pt; struct { @@ -2111,7 +2126,11 @@ struct ct_sns_pkt { #define GID_PT_SNS_SCMD_LEN 6 #define GID_PT_SNS_CMD_SIZE 28 -#define GID_PT_SNS_DATA_SIZE (MAX_FIBRE_DEVICES * 4 + 16) +/* + * Assume MAX_FIBRE_DEVICES_2100 as these defines are only used with older + * adapters. + */ +#define GID_PT_SNS_DATA_SIZE (MAX_FIBRE_DEVICES_2100 * 4 + 16) #define GPN_ID_SNS_SCMD_LEN 6 #define GPN_ID_SNS_CMD_SIZE 28 @@ -2159,7 +2178,6 @@ struct gid_list_info { uint16_t loop_id; /* ISP23XX -- 6 bytes. */ uint16_t reserved_1; /* ISP24XX -- 8 bytes. */ }; -#define GID_LIST_SIZE (sizeof(struct gid_list_info) * MAX_FIBRE_DEVICES) /* NPIV */ typedef struct vport_info { @@ -2260,6 +2278,7 @@ struct isp_operations { #define QLA_MIDX_DEFAULT 0 #define QLA_MIDX_RSP_Q 1 #define QLA_PCI_MSIX_CONTROL 0xa2 +#define QLA_83XX_PCI_MSIX_CONTROL 0x92 struct scsi_qla_host; @@ -2340,7 +2359,7 @@ struct qla_statistics { #define QLA_MQ_SIZE 32 #define QLA_MAX_QUEUES 256 #define ISP_QUE_REG(ha, id) \ - ((ha->mqenable) ? \ + ((ha->mqenable || IS_QLA83XX(ha)) ? \ ((void *)(ha->mqiobase) +\ (QLA_QUE_PAGE * id)) :\ ((void *)(ha->iobase))) @@ -2460,6 +2479,7 @@ struct qla_hw_data { #define MIN_IOBASE_LEN 0x100 /* Multi queue data structs */ device_reg_t __iomem *mqiobase; + device_reg_t __iomem *msixbase; uint16_t msix_count; uint8_t mqenable; struct req_que **req_q_map; @@ -2484,6 +2504,7 @@ struct qla_hw_data { atomic_t loop_down_timer; /* loop down timer */ uint8_t link_down_timeout; /* link down timeout */ uint16_t max_loop_id; + uint16_t max_fibre_devices; /* Maximum number of targets */ uint16_t fb_rev; uint16_t min_external_loopid; /* First external loop Id */ @@ -2493,6 +2514,7 @@ struct qla_hw_data { #define PORT_SPEED_2GB 0x01 #define PORT_SPEED_4GB 0x03 #define PORT_SPEED_8GB 0x04 +#define PORT_SPEED_16GB 0x05 #define PORT_SPEED_10GB 0x13 uint16_t link_data_rate; /* F/W operating speed */ @@ -2514,6 +2536,8 @@ struct qla_hw_data { #define PCI_DEVICE_ID_QLOGIC_ISP2532 0x2532 #define PCI_DEVICE_ID_QLOGIC_ISP8432 0x8432 #define PCI_DEVICE_ID_QLOGIC_ISP8001 0x8001 +#define PCI_DEVICE_ID_QLOGIC_ISP8031 0x8031 +#define PCI_DEVICE_ID_QLOGIC_ISP2031 0x2031 uint32_t device_type; #define DT_ISP2100 BIT_0 #define DT_ISP2200 BIT_1 @@ -2530,7 +2554,9 @@ struct qla_hw_data { #define DT_ISP8432 BIT_12 #define DT_ISP8001 BIT_13 #define DT_ISP8021 BIT_14 -#define DT_ISP_LAST (DT_ISP8021 << 1) +#define DT_ISP2031 BIT_15 +#define DT_ISP8031 BIT_16 +#define DT_ISP_LAST (DT_ISP8031 << 1) #define DT_T10_PI BIT_25 #define DT_IIDMA BIT_26 @@ -2554,26 +2580,30 @@ struct qla_hw_data { #define IS_QLA2532(ha) (DT_MASK(ha) & DT_ISP2532) #define IS_QLA8432(ha) (DT_MASK(ha) & DT_ISP8432) #define IS_QLA8001(ha) (DT_MASK(ha) & DT_ISP8001) +#define IS_QLA81XX(ha) (IS_QLA8001(ha)) #define IS_QLA82XX(ha) (DT_MASK(ha) & DT_ISP8021) +#define IS_QLA2031(ha) (DT_MASK(ha) & DT_ISP2031) +#define IS_QLA8031(ha) (DT_MASK(ha) & DT_ISP8031) #define IS_QLA23XX(ha) (IS_QLA2300(ha) || IS_QLA2312(ha) || IS_QLA2322(ha) || \ IS_QLA6312(ha) || IS_QLA6322(ha)) #define IS_QLA24XX(ha) (IS_QLA2422(ha) || IS_QLA2432(ha)) #define IS_QLA54XX(ha) (IS_QLA5422(ha) || IS_QLA5432(ha)) #define IS_QLA25XX(ha) (IS_QLA2532(ha)) +#define IS_QLA83XX(ha) (IS_QLA2031(ha) || IS_QLA8031(ha)) #define IS_QLA84XX(ha) (IS_QLA8432(ha)) #define IS_QLA24XX_TYPE(ha) (IS_QLA24XX(ha) || IS_QLA54XX(ha) || \ IS_QLA84XX(ha)) -#define IS_QLA81XX(ha) (IS_QLA8001(ha)) -#define IS_QLA8XXX_TYPE(ha) (IS_QLA81XX(ha) || IS_QLA82XX(ha)) +#define IS_CNA_CAPABLE(ha) (IS_QLA81XX(ha) || IS_QLA82XX(ha) || \ + IS_QLA8031(ha)) #define IS_QLA2XXX_MIDTYPE(ha) (IS_QLA24XX(ha) || IS_QLA84XX(ha) || \ IS_QLA25XX(ha) || IS_QLA81XX(ha) || \ - IS_QLA82XX(ha)) -#define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha)) -#define IS_NOPOLLING_TYPE(ha) ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && \ - (ha)->flags.msix_enabled) -#define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha)) -#define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha)) + IS_QLA82XX(ha) || IS_QLA83XX(ha)) +#define IS_MSIX_NACK_CAPABLE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) +#define IS_NOPOLLING_TYPE(ha) ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || \ + IS_QLA83XX(ha)) && (ha)->flags.msix_enabled) +#define IS_FAC_REQUIRED(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) +#define IS_NOCACHE_VPD_TYPE(ha) (IS_QLA81XX(ha) || IS_QLA83XX(ha)) #define IS_ALOGIO_CAPABLE(ha) (IS_QLA23XX(ha) || IS_FWI2_CAPABLE(ha)) #define IS_T10_PI_CAPABLE(ha) ((ha)->device_type & DT_T10_PI) @@ -2582,6 +2612,8 @@ struct qla_hw_data { #define IS_ZIO_SUPPORTED(ha) ((ha)->device_type & DT_ZIO_SUPPORTED) #define IS_OEM_001(ha) ((ha)->device_type & DT_OEM_001) #define HAS_EXTENDED_IDS(ha) ((ha)->device_type & DT_EXTENDED_IDS) +#define IS_CT6_SUPPORTED(ha) ((ha)->device_type & DT_CT6_SUPPORTED) +#define IS_MQUE_CAPABLE(ha) ((ha)->mqenable || IS_QLA83XX(ha)) /* HBA serial number */ uint8_t serial0; @@ -2620,10 +2652,6 @@ struct qla_hw_data { void *sfp_data; dma_addr_t sfp_data_dma; - uint8_t *edc_data; - dma_addr_t edc_data_dma; - uint16_t edc_data_len; - #define XGMAC_DATA_SIZE 4096 void *xgmac_data; dma_addr_t xgmac_data_dma; @@ -2652,6 +2680,8 @@ struct qla_hw_data { void *async_pd; dma_addr_t async_pd_dma; + void *swl; + /* These are used by mailbox operations. */ volatile uint16_t mailbox_out[MAILBOX_REGISTER_COUNT]; @@ -2673,6 +2703,8 @@ struct qla_hw_data { uint16_t fw_minor_version; uint16_t fw_subminor_version; uint16_t fw_attributes; + uint16_t fw_attributes_h; + uint16_t fw_attributes_ext[2]; uint32_t fw_memory_size; uint32_t fw_transfer_size; uint32_t fw_srisc_address; @@ -2850,7 +2882,6 @@ typedef struct scsi_qla_host { volatile struct { uint32_t init_done :1; uint32_t online :1; - uint32_t rscn_queue_overflow :1; uint32_t reset_active :1; uint32_t management_server_logged_in :1; @@ -2904,11 +2935,6 @@ typedef struct scsi_qla_host { - /* RSCN queue. */ - uint32_t rscn_queue[MAX_RSCN_COUNT]; - uint8_t rscn_in_ptr; - uint8_t rscn_out_ptr; - /* Timeout timers. */ uint8_t loop_down_abort_time; /* port down timer */ atomic_t loop_down_timer; /* loop down timer */ @@ -3004,7 +3030,6 @@ typedef struct scsi_qla_host { #define QLA_ABORTED 0x105 #define QLA_SUSPENDED 0x106 #define QLA_BUSY 0x107 -#define QLA_RSCNS_HANDLED 0x108 #define QLA_ALREADY_REGISTERED 0x109 #define NVRAM_DELAY() udelay(10) @@ -3020,6 +3045,7 @@ typedef struct scsi_qla_host { #define OPTROM_SIZE_25XX 0x200000 #define OPTROM_SIZE_81XX 0x400000 #define OPTROM_SIZE_82XX 0x800000 +#define OPTROM_SIZE_83XX 0x1000000 #define OPTROM_BURST_SIZE 0x1000 #define OPTROM_BURST_DWORDS (OPTROM_BURST_SIZE / 4) diff --git a/drivers/scsi/qla2xxx/qla_dfs.c b/drivers/scsi/qla2xxx/qla_dfs.c index 0b4c2b794c6..499c74e39ee 100644 --- a/drivers/scsi/qla2xxx/qla_dfs.c +++ b/drivers/scsi/qla2xxx/qla_dfs.c @@ -114,7 +114,7 @@ qla2x00_dfs_setup(scsi_qla_host_t *vha) { struct qla_hw_data *ha = vha->hw; - if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) + if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) goto out; if (!ha->fce) goto out; diff --git a/drivers/scsi/qla2xxx/qla_fw.h b/drivers/scsi/qla2xxx/qla_fw.h index aa69486dc06..6d7d7758c79 100644 --- a/drivers/scsi/qla2xxx/qla_fw.h +++ b/drivers/scsi/qla2xxx/qla_fw.h @@ -1327,6 +1327,11 @@ struct qla_flt_header { #define FLT_REG_GOLD_FW 0x2f #define FLT_REG_FCP_PRIO_0 0x87 #define FLT_REG_FCP_PRIO_1 0x88 +#define FLT_REG_FCOE_FW 0xA4 +#define FLT_REG_FCOE_VPD_0 0xA9 +#define FLT_REG_FCOE_NVRAM_0 0xAA +#define FLT_REG_FCOE_VPD_1 0xAB +#define FLT_REG_FCOE_NVRAM_1 0xAC struct qla_flt_region { uint32_t code; @@ -1494,6 +1499,11 @@ struct access_chip_rsp_84xx { #define MBC_GET_XGMAC_STATS 0x7a #define MBC_GET_DCBX_PARAMS 0x51 +/* + * ISP83xx mailbox commands + */ +#define MBC_WRITE_REMOTE_REG 0x0001 /* Write remote register */ + /* Flash access control option field bit definitions */ #define FAC_OPT_FORCE_SEMAPHORE BIT_15 #define FAC_OPT_REQUESTOR_ID BIT_14 @@ -1875,4 +1885,7 @@ struct qla_fcp_prio_cfg { #define FA_NPIV_CONF0_ADDR_81 0xD1000 #define FA_NPIV_CONF1_ADDR_81 0xD2000 +/* 83XX Flash locations -- occupies second 8MB region. */ +#define FA_FLASH_LAYOUT_ADDR_83 0xFC400 + #endif diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index 408679be8fd..9f065804bd1 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -71,8 +71,6 @@ extern void qla2x00_async_logout_done(struct scsi_qla_host *, fc_port_t *, uint16_t *); extern void qla2x00_async_adisc_done(struct scsi_qla_host *, fc_port_t *, uint16_t *); -extern void qla2x00_async_tm_cmd_done(struct scsi_qla_host *, fc_port_t *, - struct srb_iocb *); extern void *qla2x00_alloc_iocbs(struct scsi_qla_host *, srb_t *); extern int qla24xx_update_fcport_fcp_prio(scsi_qla_host_t *, fc_port_t *); @@ -156,8 +154,7 @@ extern void qla2x00_do_dpc_all_vps(scsi_qla_host_t *); extern int qla24xx_vport_create_req_sanity_check(struct fc_vport *); extern scsi_qla_host_t * qla24xx_create_vhost(struct fc_vport *); -extern void qla2x00_sp_compl(struct qla_hw_data *, srb_t *); - +extern void qla2x00_sp_free_dma(void *, void *); extern char *qla2x00_get_fw_version_str(struct scsi_qla_host *, char *); extern void qla2x00_mark_device_lost(scsi_qla_host_t *, fc_port_t *, int, int); @@ -205,8 +202,7 @@ extern int qla2x00_execute_fw(scsi_qla_host_t *, uint32_t); extern int -qla2x00_get_fw_version(scsi_qla_host_t *, uint16_t *, uint16_t *, uint16_t *, - uint16_t *, uint32_t *, uint8_t *, uint32_t *, uint8_t *); +qla2x00_get_fw_version(scsi_qla_host_t *); extern int qla2x00_get_fw_options(scsi_qla_host_t *, uint16_t *); @@ -371,6 +367,9 @@ qla81xx_get_port_config(scsi_qla_host_t *, uint16_t *); extern int qla81xx_set_port_config(scsi_qla_host_t *, uint16_t *); +extern int +qla2x00_port_logout(scsi_qla_host_t *, struct fc_port *); + /* * Global Function Prototypes in qla_isr.c source file. */ @@ -409,8 +408,10 @@ extern void qla2x00_beacon_blink(struct scsi_qla_host *); extern int qla24xx_beacon_on(struct scsi_qla_host *); extern int qla24xx_beacon_off(struct scsi_qla_host *); extern void qla24xx_beacon_blink(struct scsi_qla_host *); +extern void qla83xx_beacon_blink(struct scsi_qla_host *); extern int qla82xx_beacon_on(struct scsi_qla_host *); extern int qla82xx_beacon_off(struct scsi_qla_host *); +extern int qla83xx_write_remote_reg(struct scsi_qla_host *, uint32_t, uint32_t); extern uint8_t *qla2x00_read_optrom_data(struct scsi_qla_host *, uint8_t *, uint32_t, uint32_t); @@ -541,6 +542,10 @@ extern int qla82xx_restart_isp(scsi_qla_host_t *); /* IOCB related functions */ extern int qla82xx_start_scsi(srb_t *); +extern void qla2x00_sp_free(void *, void *); +extern void qla2x00_sp_timeout(unsigned long); +extern void qla2x00_bsg_job_done(void *, void *, int); +extern void qla2x00_bsg_sp_free(void *, void *); /* Interrupt related */ extern irqreturn_t qla82xx_intr_handler(int, void *); @@ -576,6 +581,8 @@ extern void qla82xx_start_iocbs(scsi_qla_host_t *); extern int qla82xx_fcoe_ctx_reset(scsi_qla_host_t *); extern int qla82xx_check_md_needed(scsi_qla_host_t *); extern void qla82xx_chip_reset_cleanup(scsi_qla_host_t *); +extern int qla81xx_set_led_config(scsi_qla_host_t *, uint16_t *); +extern int qla81xx_get_led_config(scsi_qla_host_t *, uint16_t *); extern int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *, int); extern char *qdev_state(uint32_t); extern void qla82xx_clear_pending_mbx(scsi_qla_host_t *); @@ -589,6 +596,9 @@ extern int qla2x00_issue_iocb_timeout(scsi_qla_host_t *, void *, extern int qla2x00_get_idma_speed(scsi_qla_host_t *, uint16_t, uint16_t *, uint16_t *); +/* 83xx related functions */ +extern void qla83xx_fw_dump(scsi_qla_host_t *, int); + /* Minidump related functions */ extern int qla82xx_md_get_template_size(scsi_qla_host_t *); extern int qla82xx_md_get_template(scsi_qla_host_t *); diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c index 4aea4ae2330..3128f80441f 100644 --- a/drivers/scsi/qla2xxx/qla_gs.c +++ b/drivers/scsi/qla2xxx/qla_gs.c @@ -240,6 +240,12 @@ qla2x00_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport) return (rval); } +static inline int +qla2x00_gid_pt_rsp_size(scsi_qla_host_t *vha) +{ + return vha->hw->max_fibre_devices * 4 + 16; +} + /** * qla2x00_gid_pt() - SNS scan for fabric devices via GID_PT command. * @ha: HA context @@ -261,20 +267,21 @@ qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) struct ct_sns_gid_pt_data *gid_data; struct qla_hw_data *ha = vha->hw; + uint16_t gid_pt_rsp_size; if (IS_QLA2100(ha) || IS_QLA2200(ha)) return qla2x00_sns_gid_pt(vha, list); gid_data = NULL; - + gid_pt_rsp_size = qla2x00_gid_pt_rsp_size(vha); /* Issue GID_PT */ /* Prepare common MS IOCB */ ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GID_PT_REQ_SIZE, - GID_PT_RSP_SIZE); + gid_pt_rsp_size); /* Prepare CT request */ ct_req = qla2x00_prep_ct_req(&ha->ct_sns->p.req, GID_PT_CMD, - GID_PT_RSP_SIZE); + gid_pt_rsp_size); ct_rsp = &ha->ct_sns->p.rsp; /* Prepare CT arguments -- port_type */ @@ -292,7 +299,7 @@ qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) rval = QLA_FUNCTION_FAILED; } else { /* Set port IDs in switch info list. */ - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { gid_data = &ct_rsp->rsp.gid_pt.entries[i]; list[i].d_id.b.domain = gid_data->port_id[0]; list[i].d_id.b.area = gid_data->port_id[1]; @@ -313,7 +320,7 @@ qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) * single call. Return a failed status, and let GA_NXT handle * the overload. */ - if (i == MAX_FIBRE_DEVICES) + if (i == ha->max_fibre_devices) rval = QLA_FUNCTION_FAILED; } @@ -330,7 +337,7 @@ qla2x00_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) int qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) { - int rval; + int rval = QLA_SUCCESS; uint16_t i; ms_iocb_entry_t *ms_pkt; @@ -341,7 +348,7 @@ qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) if (IS_QLA2100(ha) || IS_QLA2200(ha)) return qla2x00_sns_gpn_id(vha, list); - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GPN_ID */ /* Prepare common MS IOCB */ ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GPN_ID_REQ_SIZE, @@ -364,9 +371,11 @@ qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) /*EMPTY*/ ql_dbg(ql_dbg_disc, vha, 0x2056, "GPN_ID issue IOCB failed (%d).\n", rval); + break; } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GPN_ID") != QLA_SUCCESS) { rval = QLA_FUNCTION_FAILED; + break; } else { /* Save portname */ memcpy(list[i].port_name, @@ -391,7 +400,7 @@ qla2x00_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) int qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list) { - int rval; + int rval = QLA_SUCCESS; uint16_t i; struct qla_hw_data *ha = vha->hw; ms_iocb_entry_t *ms_pkt; @@ -401,7 +410,7 @@ qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list) if (IS_QLA2100(ha) || IS_QLA2200(ha)) return qla2x00_sns_gnn_id(vha, list); - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GNN_ID */ /* Prepare common MS IOCB */ ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GNN_ID_REQ_SIZE, @@ -424,9 +433,11 @@ qla2x00_gnn_id(scsi_qla_host_t *vha, sw_info_t *list) /*EMPTY*/ ql_dbg(ql_dbg_disc, vha, 0x2057, "GNN_ID issue IOCB failed (%d).\n", rval); + break; } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GNN_ID") != QLA_SUCCESS) { rval = QLA_FUNCTION_FAILED; + break; } else { /* Save nodename */ memcpy(list[i].node_name, @@ -735,7 +746,7 @@ qla2x00_prep_sns_cmd(scsi_qla_host_t *vha, uint16_t cmd, uint16_t scmd_len, static int qla2x00_sns_ga_nxt(scsi_qla_host_t *vha, fc_port_t *fcport) { - int rval; + int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; struct sns_cmd_pkt *sns_cmd; @@ -814,11 +825,14 @@ qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) uint16_t i; uint8_t *entry; struct sns_cmd_pkt *sns_cmd; + uint16_t gid_pt_sns_data_size; + + gid_pt_sns_data_size = qla2x00_gid_pt_rsp_size(vha); /* Issue GID_PT. */ /* Prepare SNS command request. */ sns_cmd = qla2x00_prep_sns_cmd(vha, GID_PT_CMD, GID_PT_SNS_SCMD_LEN, - GID_PT_SNS_DATA_SIZE); + gid_pt_sns_data_size); /* Prepare SNS command arguments -- port_type. */ sns_cmd->p.cmd.param[0] = NS_NX_PORT_TYPE; @@ -839,7 +853,7 @@ qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) rval = QLA_FUNCTION_FAILED; } else { /* Set port IDs in switch info list. */ - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { entry = &sns_cmd->p.gid_data[(i * 4) + 16]; list[i].d_id.b.domain = entry[1]; list[i].d_id.b.area = entry[2]; @@ -858,7 +872,7 @@ qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) * single call. Return a failed status, and let GA_NXT handle * the overload. */ - if (i == MAX_FIBRE_DEVICES) + if (i == ha->max_fibre_devices) rval = QLA_FUNCTION_FAILED; } @@ -877,12 +891,12 @@ qla2x00_sns_gid_pt(scsi_qla_host_t *vha, sw_info_t *list) static int qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) { - int rval; + int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint16_t i; struct sns_cmd_pkt *sns_cmd; - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GPN_ID */ /* Prepare SNS command request. */ sns_cmd = qla2x00_prep_sns_cmd(vha, GPN_ID_CMD, @@ -933,12 +947,12 @@ qla2x00_sns_gpn_id(scsi_qla_host_t *vha, sw_info_t *list) static int qla2x00_sns_gnn_id(scsi_qla_host_t *vha, sw_info_t *list) { - int rval; + int rval = QLA_SUCCESS; struct qla_hw_data *ha = vha->hw; uint16_t i; struct sns_cmd_pkt *sns_cmd; - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GNN_ID */ /* Prepare SNS command request. */ sns_cmd = qla2x00_prep_sns_cmd(vha, GNN_ID_CMD, @@ -1107,20 +1121,26 @@ qla2x00_sns_rnn_id(scsi_qla_host_t *vha) static int qla2x00_mgmt_svr_login(scsi_qla_host_t *vha) { - int ret; + int ret, rval; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct qla_hw_data *ha = vha->hw; ret = QLA_SUCCESS; if (vha->flags.management_server_logged_in) return ret; - ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa, - mb, BIT_1|BIT_0); - if (mb[0] != MBS_COMMAND_COMPLETE) { - ql_dbg(ql_dbg_disc, vha, 0x2024, - "Failed management_server login: loopid=%x mb[0]=%x " - "mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n", - vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6], mb[7]); + rval = ha->isp_ops->fabric_login(vha, vha->mgmt_svr_loop_id, 0xff, 0xff, + 0xfa, mb, BIT_1|BIT_0); + if (rval != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { + if (rval == QLA_MEMORY_ALLOC_FAILED) + ql_dbg(ql_dbg_disc, vha, 0x2085, + "Failed management_server login: loopid=%x " + "rval=%d\n", vha->mgmt_svr_loop_id, rval); + else + ql_dbg(ql_dbg_disc, vha, 0x2024, + "Failed management_server login: loopid=%x " + "mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x.\n", + vha->mgmt_svr_loop_id, mb[0], mb[1], mb[2], mb[6], + mb[7]); ret = QLA_FUNCTION_FAILED; } else vha->flags.management_server_logged_in = 1; @@ -1547,7 +1567,7 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *vha) eiter = (struct ct_fdmi_port_attr *) (entries + size); eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED); eiter->len = __constant_cpu_to_be16(4 + 4); - if (IS_QLA8XXX_TYPE(ha)) + if (IS_CNA_CAPABLE(ha)) eiter->a.sup_speed = __constant_cpu_to_be32( FDMI_PORT_SPEED_10GB); else if (IS_QLA25XX(ha)) @@ -1594,6 +1614,10 @@ qla2x00_fdmi_rpa(scsi_qla_host_t *vha) eiter->a.cur_speed = __constant_cpu_to_be32(FDMI_PORT_SPEED_10GB); break; + case PORT_SPEED_16GB: + eiter->a.cur_speed = + __constant_cpu_to_be32(FDMI_PORT_SPEED_16GB); + break; default: eiter->a.cur_speed = __constant_cpu_to_be32(FDMI_PORT_SPEED_UNKNOWN); @@ -1724,7 +1748,7 @@ qla2x00_fdmi_register(scsi_qla_host_t *vha) int qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list) { - int rval; + int rval = QLA_SUCCESS; uint16_t i; struct qla_hw_data *ha = vha->hw; ms_iocb_entry_t *ms_pkt; @@ -1734,7 +1758,7 @@ qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list) if (!IS_IIDMA_CAPABLE(ha)) return QLA_FUNCTION_FAILED; - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GFPN_ID */ /* Prepare common MS IOCB */ ms_pkt = ha->isp_ops->prep_ms_iocb(vha, GFPN_ID_REQ_SIZE, @@ -1757,9 +1781,11 @@ qla2x00_gfpn_id(scsi_qla_host_t *vha, sw_info_t *list) /*EMPTY*/ ql_dbg(ql_dbg_disc, vha, 0x2023, "GFPN_ID issue IOCB failed (%d).\n", rval); + break; } else if (qla2x00_chk_ms_status(vha, ms_pkt, ct_rsp, "GFPN_ID") != QLA_SUCCESS) { rval = QLA_FUNCTION_FAILED; + break; } else { /* Save fabric portname */ memcpy(list[i].fabric_port_name, @@ -1846,7 +1872,7 @@ qla2x00_gpsc(scsi_qla_host_t *vha, sw_info_t *list) if (rval) return rval; - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Issue GFPN_ID */ /* Prepare common MS IOCB */ ms_pkt = qla24xx_prep_ms_fm_iocb(vha, GPSC_REQ_SIZE, @@ -1947,7 +1973,7 @@ qla2x00_gff_id(scsi_qla_host_t *vha, sw_info_t *list) struct qla_hw_data *ha = vha->hw; uint8_t fcp_scsi_features = 0; - for (i = 0; i < MAX_FIBRE_DEVICES; i++) { + for (i = 0; i < ha->max_fibre_devices; i++) { /* Set default FC4 Type as UNKNOWN so the default is to * Process this port */ list[i].fc4_type = FC4_TYPE_UNKNOWN; diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 1fa067e053d..b9465643396 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -29,7 +29,6 @@ static int qla2x00_configure_loop(scsi_qla_host_t *); static int qla2x00_configure_local_loop(scsi_qla_host_t *); static int qla2x00_configure_fabric(scsi_qla_host_t *); static int qla2x00_find_all_fabric_devs(scsi_qla_host_t *, struct list_head *); -static int qla2x00_device_resync(scsi_qla_host_t *); static int qla2x00_fabric_dev_login(scsi_qla_host_t *, fc_port_t *, uint16_t *); @@ -41,11 +40,10 @@ static int qla25xx_init_queues(struct qla_hw_data *); /* SRB Extensions ---------------------------------------------------------- */ -static void -qla2x00_ctx_sp_timeout(unsigned long __data) +void +qla2x00_sp_timeout(unsigned long __data) { srb_t *sp = (srb_t *)__data; - struct srb_ctx *ctx; struct srb_iocb *iocb; fc_port_t *fcport = sp->fcport; struct qla_hw_data *ha = fcport->vha->hw; @@ -55,79 +53,25 @@ qla2x00_ctx_sp_timeout(unsigned long __data) spin_lock_irqsave(&ha->hardware_lock, flags); req = ha->req_q_map[0]; req->outstanding_cmds[sp->handle] = NULL; - ctx = sp->ctx; - iocb = ctx->u.iocb_cmd; + iocb = &sp->u.iocb_cmd; iocb->timeout(sp); - iocb->free(sp); + sp->free(fcport->vha, sp); spin_unlock_irqrestore(&ha->hardware_lock, flags); } -static void -qla2x00_ctx_sp_free(srb_t *sp) +void +qla2x00_sp_free(void *data, void *ptr) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *iocb = ctx->u.iocb_cmd; - struct scsi_qla_host *vha = sp->fcport->vha; + srb_t *sp = (srb_t *)ptr; + struct srb_iocb *iocb = &sp->u.iocb_cmd; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; del_timer(&iocb->timer); - kfree(iocb); - kfree(ctx); - mempool_free(sp, sp->fcport->vha->hw->srb_mempool); + mempool_free(sp, vha->hw->srb_mempool); QLA_VHA_MARK_NOT_BUSY(vha); } -inline srb_t * -qla2x00_get_ctx_sp(scsi_qla_host_t *vha, fc_port_t *fcport, size_t size, - unsigned long tmo) -{ - srb_t *sp = NULL; - struct qla_hw_data *ha = vha->hw; - struct srb_ctx *ctx; - struct srb_iocb *iocb; - uint8_t bail; - - QLA_VHA_MARK_BUSY(vha, bail); - if (bail) - return NULL; - - sp = mempool_alloc(ha->srb_mempool, GFP_KERNEL); - if (!sp) - goto done; - ctx = kzalloc(size, GFP_KERNEL); - if (!ctx) { - mempool_free(sp, ha->srb_mempool); - sp = NULL; - goto done; - } - iocb = kzalloc(sizeof(struct srb_iocb), GFP_KERNEL); - if (!iocb) { - mempool_free(sp, ha->srb_mempool); - sp = NULL; - kfree(ctx); - goto done; - } - - memset(sp, 0, sizeof(*sp)); - sp->fcport = fcport; - sp->ctx = ctx; - ctx->iocbs = 1; - ctx->u.iocb_cmd = iocb; - iocb->free = qla2x00_ctx_sp_free; - - init_timer(&iocb->timer); - if (!tmo) - goto done; - iocb->timer.expires = jiffies + tmo * HZ; - iocb->timer.data = (unsigned long)sp; - iocb->timer.function = qla2x00_ctx_sp_timeout; - add_timer(&iocb->timer); -done: - if (!sp) - QLA_VHA_MARK_NOT_BUSY(vha); - return sp; -} - /* Asynchronous Login/Logout Routines -------------------------------------- */ static inline unsigned long @@ -149,19 +93,19 @@ qla2x00_get_async_timeout(struct scsi_qla_host *vha) } static void -qla2x00_async_iocb_timeout(srb_t *sp) +qla2x00_async_iocb_timeout(void *data) { + srb_t *sp = (srb_t *)data; fc_port_t *fcport = sp->fcport; - struct srb_ctx *ctx = sp->ctx; ql_dbg(ql_dbg_disc, fcport->vha, 0x2071, "Async-%s timeout - hdl=%x portid=%02x%02x%02x.\n", - ctx->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, + sp->name, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa); fcport->flags &= ~FCF_ASYNC_SENT; - if (ctx->type == SRB_LOGIN_CMD) { - struct srb_iocb *lio = ctx->u.iocb_cmd; + if (sp->type == SRB_LOGIN_CMD) { + struct srb_iocb *lio = &sp->u.iocb_cmd; qla2x00_post_async_logout_work(fcport->vha, fcport, NULL); /* Retry as needed. */ lio->u.logio.data[0] = MBS_COMMAND_ERROR; @@ -173,14 +117,16 @@ qla2x00_async_iocb_timeout(srb_t *sp) } static void -qla2x00_async_login_ctx_done(srb_t *sp) +qla2x00_async_login_sp_done(void *data, void *ptr, int res) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; - - qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport, - lio->u.logio.data); - lio->free(sp); + srb_t *sp = (srb_t *)ptr; + struct srb_iocb *lio = &sp->u.iocb_cmd; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + + if (!test_bit(UNLOADING, &vha->dpc_flags)) + qla2x00_post_async_login_done_work(sp->fcport->vha, sp->fcport, + lio->u.logio.data); + sp->free(sp->fcport->vha, sp); } int @@ -188,22 +134,21 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { srb_t *sp; - struct srb_ctx *ctx; struct srb_iocb *lio; int rval; rval = QLA_FUNCTION_FAILED; - sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), - qla2x00_get_async_timeout(vha) + 2); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; - ctx = sp->ctx; - ctx->type = SRB_LOGIN_CMD; - ctx->name = "login"; - lio = ctx->u.iocb_cmd; + sp->type = SRB_LOGIN_CMD; + sp->name = "login"; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; - lio->done = qla2x00_async_login_ctx_done; + sp->done = qla2x00_async_login_sp_done; lio->u.logio.flags |= SRB_LOGIN_COND_PLOGI; if (data[1] & QLA_LOGIO_LOGIN_RETRIED) lio->u.logio.flags |= SRB_LOGIN_RETRIED; @@ -219,42 +164,43 @@ qla2x00_async_login(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; done_free_sp: - lio->free(sp); + sp->free(fcport->vha, sp); done: return rval; } static void -qla2x00_async_logout_ctx_done(srb_t *sp) +qla2x00_async_logout_sp_done(void *data, void *ptr, int res) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; - - qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport, - lio->u.logio.data); - lio->free(sp); + srb_t *sp = (srb_t *)ptr; + struct srb_iocb *lio = &sp->u.iocb_cmd; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + + if (!test_bit(UNLOADING, &vha->dpc_flags)) + qla2x00_post_async_logout_done_work(sp->fcport->vha, sp->fcport, + lio->u.logio.data); + sp->free(sp->fcport->vha, sp); } int qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) { srb_t *sp; - struct srb_ctx *ctx; struct srb_iocb *lio; int rval; rval = QLA_FUNCTION_FAILED; - sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), - qla2x00_get_async_timeout(vha) + 2); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; - ctx = sp->ctx; - ctx->type = SRB_LOGOUT_CMD; - ctx->name = "logout"; - lio = ctx->u.iocb_cmd; + sp->type = SRB_LOGOUT_CMD; + sp->name = "logout"; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; - lio->done = qla2x00_async_logout_ctx_done; + sp->done = qla2x00_async_logout_sp_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) goto done_free_sp; @@ -266,20 +212,22 @@ qla2x00_async_logout(struct scsi_qla_host *vha, fc_port_t *fcport) return rval; done_free_sp: - lio->free(sp); + sp->free(fcport->vha, sp); done: return rval; } static void -qla2x00_async_adisc_ctx_done(srb_t *sp) +qla2x00_async_adisc_sp_done(void *data, void *ptr, int res) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; - - qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport, - lio->u.logio.data); - lio->free(sp); + srb_t *sp = (srb_t *)ptr; + struct srb_iocb *lio = &sp->u.iocb_cmd; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + + if (!test_bit(UNLOADING, &vha->dpc_flags)) + qla2x00_post_async_adisc_done_work(sp->fcport->vha, sp->fcport, + lio->u.logio.data); + sp->free(sp->fcport->vha, sp); } int @@ -287,22 +235,21 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, uint16_t *data) { srb_t *sp; - struct srb_ctx *ctx; struct srb_iocb *lio; int rval; rval = QLA_FUNCTION_FAILED; - sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), - qla2x00_get_async_timeout(vha) + 2); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; - ctx = sp->ctx; - ctx->type = SRB_ADISC_CMD; - ctx->name = "adisc"; - lio = ctx->u.iocb_cmd; + sp->type = SRB_ADISC_CMD; + sp->name = "adisc"; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + lio = &sp->u.iocb_cmd; lio->timeout = qla2x00_async_iocb_timeout; - lio->done = qla2x00_async_adisc_ctx_done; + sp->done = qla2x00_async_adisc_sp_done; if (data[1] & QLA_LOGIO_LOGIN_RETRIED) lio->u.logio.flags |= SRB_LOGIN_RETRIED; rval = qla2x00_start_sp(sp); @@ -316,46 +263,62 @@ qla2x00_async_adisc(struct scsi_qla_host *vha, fc_port_t *fcport, return rval; done_free_sp: - lio->free(sp); + sp->free(fcport->vha, sp); done: return rval; } static void -qla2x00_async_tm_cmd_ctx_done(srb_t *sp) +qla2x00_async_tm_cmd_done(void *data, void *ptr, int res) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *iocb = (struct srb_iocb *)ctx->u.iocb_cmd; + srb_t *sp = (srb_t *)ptr; + struct srb_iocb *iocb = &sp->u.iocb_cmd; + struct scsi_qla_host *vha = (scsi_qla_host_t *)data; + uint32_t flags; + uint16_t lun; + int rval; + + if (!test_bit(UNLOADING, &vha->dpc_flags)) { + flags = iocb->u.tmf.flags; + lun = (uint16_t)iocb->u.tmf.lun; + + /* Issue Marker IOCB */ + rval = qla2x00_marker(vha, vha->hw->req_q_map[0], + vha->hw->rsp_q_map[0], sp->fcport->loop_id, lun, + flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID); - qla2x00_async_tm_cmd_done(sp->fcport->vha, sp->fcport, iocb); - iocb->free(sp); + if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) { + ql_dbg(ql_dbg_taskm, vha, 0x8030, + "TM IOCB failed (%x).\n", rval); + } + } + sp->free(sp->fcport->vha, sp); } int -qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, +qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t tm_flags, uint32_t lun, uint32_t tag) { struct scsi_qla_host *vha = fcport->vha; srb_t *sp; - struct srb_ctx *ctx; struct srb_iocb *tcf; int rval; rval = QLA_FUNCTION_FAILED; - sp = qla2x00_get_ctx_sp(vha, fcport, sizeof(struct srb_ctx), - qla2x00_get_async_timeout(vha) + 2); + sp = qla2x00_get_sp(vha, fcport, GFP_KERNEL); if (!sp) goto done; - ctx = sp->ctx; - ctx->type = SRB_TM_CMD; - ctx->name = "tmf"; - tcf = ctx->u.iocb_cmd; - tcf->u.tmf.flags = flags; + sp->type = SRB_TM_CMD; + sp->name = "tmf"; + qla2x00_init_timer(sp, qla2x00_get_async_timeout(vha) + 2); + + tcf = &sp->u.iocb_cmd; + tcf->u.tmf.flags = tm_flags; tcf->u.tmf.lun = lun; tcf->u.tmf.data = tag; tcf->timeout = qla2x00_async_iocb_timeout; - tcf->done = qla2x00_async_tm_cmd_ctx_done; + sp->done = qla2x00_async_tm_cmd_done; rval = qla2x00_start_sp(sp); if (rval != QLA_SUCCESS) @@ -368,7 +331,7 @@ qla2x00_async_tm_cmd(fc_port_t *fcport, uint32_t flags, uint32_t lun, return rval; done_free_sp: - tcf->free(sp); + sp->free(fcport->vha, sp); done: return rval; } @@ -387,6 +350,13 @@ qla2x00_async_login_done(struct scsi_qla_host *vha, fc_port_t *fcport, * requests. */ rval = qla2x00_get_port_database(vha, fcport, 0); + if (rval == QLA_NOT_LOGGED_IN) { + fcport->flags &= ~FCF_ASYNC_SENT; + fcport->flags |= FCF_LOGIN_NEEDED; + set_bit(RELOGIN_NEEDED, &vha->dpc_flags); + break; + } + if (rval != QLA_SUCCESS) { qla2x00_post_async_logout_work(vha, fcport, NULL); qla2x00_post_async_login_work(vha, fcport, NULL); @@ -452,30 +422,6 @@ qla2x00_async_adisc_done(struct scsi_qla_host *vha, fc_port_t *fcport, return; } -void -qla2x00_async_tm_cmd_done(struct scsi_qla_host *vha, fc_port_t *fcport, - struct srb_iocb *iocb) -{ - int rval; - uint32_t flags; - uint16_t lun; - - flags = iocb->u.tmf.flags; - lun = (uint16_t)iocb->u.tmf.lun; - - /* Issue Marker IOCB */ - rval = qla2x00_marker(vha, vha->hw->req_q_map[0], - vha->hw->rsp_q_map[0], fcport->loop_id, lun, - flags == TCF_LUN_RESET ? MK_SYNC_ID_LUN : MK_SYNC_ID); - - if ((rval != QLA_SUCCESS) || iocb->u.tmf.data) { - ql_dbg(ql_dbg_taskm, vha, 0x8030, - "TM IOCB failed (%x).\n", rval); - } - - return; -} - /****************************************************************************/ /* QLogic ISP2x00 Hardware Support Functions. */ /****************************************************************************/ @@ -969,6 +915,9 @@ qla81xx_reset_mpi(scsi_qla_host_t *vha) { uint16_t mb[4] = {0x1010, 0, 1, 0}; + if (!IS_QLA81XX(vha->hw)) + return QLA_SUCCESS; + return qla81xx_write_mpi_register(vha, mb); } @@ -1262,7 +1211,9 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) mem_size = (ha->fw_memory_size - 0x11000 + 1) * sizeof(uint16_t); } else if (IS_FWI2_CAPABLE(ha)) { - if (IS_QLA81XX(ha)) + if (IS_QLA83XX(ha)) + fixed_size = offsetof(struct qla83xx_fw_dump, ext_mem); + else if (IS_QLA81XX(ha)) fixed_size = offsetof(struct qla81xx_fw_dump, ext_mem); else if (IS_QLA25XX(ha)) fixed_size = offsetof(struct qla25xx_fw_dump, ext_mem); @@ -1270,10 +1221,20 @@ qla2x00_alloc_fw_dump(scsi_qla_host_t *vha) fixed_size = offsetof(struct qla24xx_fw_dump, ext_mem); mem_size = (ha->fw_memory_size - 0x100000 + 1) * sizeof(uint32_t); - if (ha->mqenable) - mq_size = sizeof(struct qla2xxx_mq_chain); + if (ha->mqenable) { + if (!IS_QLA83XX(ha)) + mq_size = sizeof(struct qla2xxx_mq_chain); + /* + * Allocate maximum buffer size for all queues. + * Resizing must be done at end-of-dump processing. + */ + mq_size += ha->max_req_queues * + (req->length * sizeof(request_t)); + mq_size += ha->max_rsp_queues * + (rsp->length * sizeof(response_t)); + } /* Allocate memory for Fibre Channel Event Buffer. */ - if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) + if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) goto try_eft; tc = dma_alloc_coherent(&ha->pdev->dev, FCE_SIZE, &tc_dma, @@ -1484,17 +1445,8 @@ enable_82xx_npiv: fw_major_version = ha->fw_major_version; if (IS_QLA82XX(ha)) qla82xx_check_md_needed(vha); - else { - rval = qla2x00_get_fw_version(vha, - &ha->fw_major_version, - &ha->fw_minor_version, - &ha->fw_subminor_version, - &ha->fw_attributes, - &ha->fw_memory_size, - ha->mpi_version, - &ha->mpi_capabilities, - ha->phy_version); - } + else + rval = qla2x00_get_fw_version(vha); if (rval != QLA_SUCCESS) goto failed; ha->flags.npiv_supported = 0; @@ -1535,6 +1487,9 @@ enable_82xx_npiv: spin_unlock_irqrestore(&ha->hardware_lock, flags); } + if (IS_QLA83XX(ha)) + goto skip_fac_check; + if (rval == QLA_SUCCESS && IS_FAC_REQUIRED(ha)) { uint32_t size; @@ -1547,6 +1502,11 @@ enable_82xx_npiv: "Unsupported FAC firmware (%d.%02d.%02d).\n", ha->fw_major_version, ha->fw_minor_version, ha->fw_subminor_version); +skip_fac_check: + if (IS_QLA83XX(ha)) { + ha->flags.fac_supported = 0; + rval = QLA_SUCCESS; + } } } failed: @@ -1725,7 +1685,7 @@ qla24xx_config_rings(struct scsi_qla_host *vha) struct req_que *req = ha->req_q_map[0]; struct rsp_que *rsp = ha->rsp_q_map[0]; -/* Setup ring parameters in initialization control block. */ + /* Setup ring parameters in initialization control block. */ icb = (struct init_cb_24xx *)ha->init_cb; icb->request_q_outpointer = __constant_cpu_to_le16(0); icb->response_q_inpointer = __constant_cpu_to_le16(0); @@ -1736,7 +1696,7 @@ qla24xx_config_rings(struct scsi_qla_host *vha) icb->response_q_address[0] = cpu_to_le32(LSD(rsp->dma)); icb->response_q_address[1] = cpu_to_le32(MSD(rsp->dma)); - if (ha->mqenable) { + if (ha->mqenable || IS_QLA83XX(ha)) { icb->qos = __constant_cpu_to_le16(QLA_DEFAULT_QUE_QOS); icb->rid = __constant_cpu_to_le16(rid); if (ha->flags.msix_enabled) { @@ -1756,7 +1716,8 @@ qla24xx_config_rings(struct scsi_qla_host *vha) __constant_cpu_to_le32(BIT_18); /* Use Disable MSIX Handshake mode for capable adapters */ - if (IS_MSIX_NACK_CAPABLE(ha)) { + if ((ha->fw_attributes & BIT_6) && (IS_MSIX_NACK_CAPABLE(ha)) && + (ha->flags.msix_enabled)) { icb->firmware_options_2 &= __constant_cpu_to_le32(~BIT_22); ha->flags.disable_msix_handshake = 1; @@ -1800,7 +1761,6 @@ qla2x00_init_rings(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; struct req_que *req; struct rsp_que *rsp; - struct scsi_qla_host *vp; struct mid_init_cb_24xx *mid_init_cb = (struct mid_init_cb_24xx *) ha->init_cb; @@ -1831,11 +1791,6 @@ qla2x00_init_rings(scsi_qla_host_t *vha) } spin_lock(&ha->vport_slock); - /* Clear RSCN queue. */ - list_for_each_entry(vp, &ha->vp_list, list) { - vp->rscn_in_ptr = 0; - vp->rscn_out_ptr = 0; - } spin_unlock(&ha->vport_slock); @@ -2028,7 +1983,7 @@ qla2x00_configure_hba(scsi_qla_host_t *vha) &loop_id, &al_pa, &area, &domain, &topo, &sw_cap); if (rval != QLA_SUCCESS) { if (LOOP_TRANSITION(vha) || atomic_read(&ha->loop_down_timer) || - IS_QLA8XXX_TYPE(ha) || + IS_CNA_CAPABLE(ha) || (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) { ql_dbg(ql_dbg_disc, vha, 0x2008, "Loop is in a transition state.\n"); @@ -2120,7 +2075,7 @@ qla2x00_set_model_info(scsi_qla_host_t *vha, uint8_t *model, size_t len, uint16_t index; struct qla_hw_data *ha = vha->hw; int use_tbl = !IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && - !IS_QLA8XXX_TYPE(ha); + !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha); if (memcmp(model, BINZERO, len) != 0) { strncpy(ha->model_number, model, len); @@ -2596,13 +2551,11 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) if (ha->current_topology == ISP_CFG_FL && (test_bit(LOCAL_LOOP_UPDATE, &flags))) { - vha->flags.rscn_queue_overflow = 1; set_bit(RSCN_UPDATE, &flags); } else if (ha->current_topology == ISP_CFG_F && (test_bit(LOCAL_LOOP_UPDATE, &flags))) { - vha->flags.rscn_queue_overflow = 1; set_bit(RSCN_UPDATE, &flags); clear_bit(LOCAL_LOOP_UPDATE, &flags); @@ -2612,7 +2565,6 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) } else if (!vha->flags.online || (test_bit(ABORT_ISP_ACTIVE, &flags))) { - vha->flags.rscn_queue_overflow = 1; set_bit(RSCN_UPDATE, &flags); set_bit(LOCAL_LOOP_UPDATE, &flags); } @@ -2622,8 +2574,7 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) ql_dbg(ql_dbg_disc, vha, 0x2015, "Loop resync needed, failing.\n"); rval = QLA_FUNCTION_FAILED; - } - else + } else rval = qla2x00_configure_local_loop(vha); } @@ -2662,8 +2613,6 @@ qla2x00_configure_loop(scsi_qla_host_t *vha) set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); if (test_bit(RSCN_UPDATE, &save_flags)) { set_bit(RSCN_UPDATE, &vha->dpc_flags); - if (!IS_ALOGIO_CAPABLE(ha)) - vha->flags.rscn_queue_overflow = 1; } } @@ -2699,7 +2648,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) found_devs = 0; new_fcport = NULL; - entries = MAX_FIBRE_DEVICES; + entries = MAX_FIBRE_DEVICES_LOOP; ql_dbg(ql_dbg_disc, vha, 0x2016, "Getting FCAL position map.\n"); @@ -2707,7 +2656,7 @@ qla2x00_configure_local_loop(scsi_qla_host_t *vha) qla2x00_get_fcal_position_map(vha, NULL); /* Get list of logged in devices. */ - memset(ha->gid_list, 0, GID_LIST_SIZE); + memset(ha->gid_list, 0, qla2x00_gid_list_size(ha)); rval = qla2x00_get_id_list(vha, ha->gid_list, ha->gid_list_dma, &entries); if (rval != QLA_SUCCESS) @@ -2971,7 +2920,7 @@ qla2x00_update_fcport(scsi_qla_host_t *vha, fc_port_t *fcport) static int qla2x00_configure_fabric(scsi_qla_host_t *vha) { - int rval, rval2; + int rval; fc_port_t *fcport, *fcptemp; uint16_t next_loopid; uint16_t mb[MAILBOX_REGISTER_COUNT]; @@ -2995,12 +2944,6 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) } vha->device_flags |= SWITCH_FOUND; - /* Mark devices that need re-synchronization. */ - rval2 = qla2x00_device_resync(vha); - if (rval2 == QLA_RSCNS_HANDLED) { - /* No point doing the scan, just continue. */ - return (QLA_SUCCESS); - } do { /* FDMI support. */ if (ql2xfdmienable && @@ -3012,8 +2955,12 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) loop_id = NPH_SNS; else loop_id = SIMPLE_NAME_SERVER; - ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, - 0xfc, mb, BIT_1 | BIT_0); + rval = ha->isp_ops->fabric_login(vha, loop_id, 0xff, 0xff, + 0xfc, mb, BIT_1|BIT_0); + if (rval != QLA_SUCCESS) { + set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); + return rval; + } if (mb[0] != MBS_COMMAND_COMPLETE) { ql_dbg(ql_dbg_disc, vha, 0x2042, "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x " @@ -3044,6 +2991,13 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) } } +#define QLA_FCPORT_SCAN 1 +#define QLA_FCPORT_FOUND 2 + + list_for_each_entry(fcport, &vha->vp_fcports, list) { + fcport->scan_state = QLA_FCPORT_SCAN; + } + rval = qla2x00_find_all_fabric_devs(vha, &new_fcports); if (rval != QLA_SUCCESS) break; @@ -3059,7 +3013,8 @@ qla2x00_configure_fabric(scsi_qla_host_t *vha) if ((fcport->flags & FCF_FABRIC_DEVICE) == 0) continue; - if (atomic_read(&fcport->state) == FCS_DEVICE_LOST) { + if (fcport->scan_state == QLA_FCPORT_SCAN && + atomic_read(&fcport->state) == FCS_ONLINE) { qla2x00_mark_device_lost(vha, fcport, ql2xplogiabsentdevice, 0); if (fcport->loop_id != FC_NO_LOOP_ID && @@ -3184,20 +3139,21 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, rval = QLA_SUCCESS; /* Try GID_PT to get device list, else GAN. */ - swl = kcalloc(MAX_FIBRE_DEVICES, sizeof(sw_info_t), GFP_KERNEL); + if (!ha->swl) + ha->swl = kcalloc(ha->max_fibre_devices, sizeof(sw_info_t), + GFP_KERNEL); + swl = ha->swl; if (!swl) { /*EMPTY*/ ql_dbg(ql_dbg_disc, vha, 0x2054, "GID_PT allocations failed, fallback on GA_NXT.\n"); } else { + memset(swl, 0, ha->max_fibre_devices * sizeof(sw_info_t)); if (qla2x00_gid_pt(vha, swl) != QLA_SUCCESS) { - kfree(swl); swl = NULL; } else if (qla2x00_gpn_id(vha, swl) != QLA_SUCCESS) { - kfree(swl); swl = NULL; } else if (qla2x00_gnn_id(vha, swl) != QLA_SUCCESS) { - kfree(swl); swl = NULL; } else if (ql2xiidmaenable && qla2x00_gfpn_id(vha, swl) == QLA_SUCCESS) { @@ -3215,7 +3171,6 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0x205e, "Failed to allocate memory for fcport.\n"); - kfree(swl); return (QLA_MEMORY_ALLOC_FAILED); } new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); @@ -3332,6 +3287,8 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, WWN_SIZE)) continue; + fcport->scan_state = QLA_FCPORT_FOUND; + found++; /* Update port state. */ @@ -3368,6 +3325,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, fcport->flags |= FCF_LOGIN_NEEDED; if (fcport->loop_id != FC_NO_LOOP_ID && (fcport->flags & FCF_FCP2_DEVICE) == 0 && + (fcport->flags & FCF_ASYNC_SENT) == 0 && fcport->port_type != FCT_INITIATOR && fcport->port_type != FCT_BROADCAST) { ha->isp_ops->fabric_logout(vha, fcport->loop_id, @@ -3390,14 +3348,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *vha, if (new_fcport == NULL) { ql_log(ql_log_warn, vha, 0x2066, "Memory allocation failed for fcport.\n"); - kfree(swl); return (QLA_MEMORY_ALLOC_FAILED); } new_fcport->flags |= (FCF_FABRIC_DEVICE | FCF_LOGIN_NEEDED); new_fcport->d_id.b24 = nxt_d_id.b24; } - kfree(swl); kfree(new_fcport); return (rval); @@ -3470,6 +3426,9 @@ qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev) /* If not in use then it is free to use. */ if (!found) { + ql_dbg(ql_dbg_disc, dev->vha, 0x2086, + "Assigning new loopid=%x, portid=%x.\n", + dev->loop_id, dev->d_id.b24); break; } @@ -3488,110 +3447,6 @@ qla2x00_find_new_loop_id(scsi_qla_host_t *vha, fc_port_t *dev) } /* - * qla2x00_device_resync - * Marks devices in the database that needs resynchronization. - * - * Input: - * ha = adapter block pointer. - * - * Context: - * Kernel context. - */ -static int -qla2x00_device_resync(scsi_qla_host_t *vha) -{ - int rval; - uint32_t mask; - fc_port_t *fcport; - uint32_t rscn_entry; - uint8_t rscn_out_iter; - uint8_t format; - port_id_t d_id = {}; - - rval = QLA_RSCNS_HANDLED; - - while (vha->rscn_out_ptr != vha->rscn_in_ptr || - vha->flags.rscn_queue_overflow) { - - rscn_entry = vha->rscn_queue[vha->rscn_out_ptr]; - format = MSB(MSW(rscn_entry)); - d_id.b.domain = LSB(MSW(rscn_entry)); - d_id.b.area = MSB(LSW(rscn_entry)); - d_id.b.al_pa = LSB(LSW(rscn_entry)); - - ql_dbg(ql_dbg_disc, vha, 0x2020, - "RSCN queue entry[%d] = [%02x/%02x%02x%02x].\n", - vha->rscn_out_ptr, format, d_id.b.domain, d_id.b.area, - d_id.b.al_pa); - - vha->rscn_out_ptr++; - if (vha->rscn_out_ptr == MAX_RSCN_COUNT) - vha->rscn_out_ptr = 0; - - /* Skip duplicate entries. */ - for (rscn_out_iter = vha->rscn_out_ptr; - !vha->flags.rscn_queue_overflow && - rscn_out_iter != vha->rscn_in_ptr; - rscn_out_iter = (rscn_out_iter == - (MAX_RSCN_COUNT - 1)) ? 0: rscn_out_iter + 1) { - - if (rscn_entry != vha->rscn_queue[rscn_out_iter]) - break; - - ql_dbg(ql_dbg_disc, vha, 0x2021, - "Skipping duplicate RSCN queue entry found at " - "[%d].\n", rscn_out_iter); - - vha->rscn_out_ptr = rscn_out_iter; - } - - /* Queue overflow, set switch default case. */ - if (vha->flags.rscn_queue_overflow) { - ql_dbg(ql_dbg_disc, vha, 0x2022, - "device_resync: rscn overflow.\n"); - - format = 3; - vha->flags.rscn_queue_overflow = 0; - } - - switch (format) { - case 0: - mask = 0xffffff; - break; - case 1: - mask = 0xffff00; - break; - case 2: - mask = 0xff0000; - break; - default: - mask = 0x0; - d_id.b24 = 0; - vha->rscn_out_ptr = vha->rscn_in_ptr; - break; - } - - rval = QLA_SUCCESS; - - list_for_each_entry(fcport, &vha->vp_fcports, list) { - if ((fcport->flags & FCF_FABRIC_DEVICE) == 0 || - (fcport->d_id.b24 & mask) != d_id.b24 || - fcport->port_type == FCT_BROADCAST) - continue; - - if (atomic_read(&fcport->state) == FCS_ONLINE) { - if (format != 3 || - fcport->port_type != FCT_INITIATOR) { - qla2x00_mark_device_lost(vha, fcport, - 0, 0); - } - } - } - } - return (rval); -} - -/* * qla2x00_fabric_dev_login * Login fabric target device and update FC port database. * @@ -3644,6 +3499,9 @@ qla2x00_fabric_dev_login(scsi_qla_host_t *vha, fc_port_t *fcport, } else { qla2x00_update_fcport(vha, fcport); } + } else { + /* Retry Login. */ + qla2x00_mark_device_lost(vha, fcport, 1, 0); } return (rval); @@ -3684,9 +3542,12 @@ qla2x00_fabric_login(scsi_qla_host_t *vha, fc_port_t *fcport, fcport->d_id.b.area, fcport->d_id.b.al_pa); /* Login fcport on switch. */ - ha->isp_ops->fabric_login(vha, fcport->loop_id, + rval = ha->isp_ops->fabric_login(vha, fcport->loop_id, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, mb, BIT_0); + if (rval != QLA_SUCCESS) { + return rval; + } if (mb[0] == MBS_PORT_ID_USED) { /* * Device has another loop ID. The firmware team @@ -4100,15 +3961,8 @@ qla2x00_abort_isp(scsi_qla_host_t *vha) ha->isp_abort_cnt = 0; clear_bit(ISP_ABORT_RETRY, &vha->dpc_flags); - if (IS_QLA81XX(ha)) - qla2x00_get_fw_version(vha, - &ha->fw_major_version, - &ha->fw_minor_version, - &ha->fw_subminor_version, - &ha->fw_attributes, &ha->fw_memory_size, - ha->mpi_version, &ha->mpi_capabilities, - ha->phy_version); - + if (IS_QLA81XX(ha) || IS_QLA8031(ha)) + qla2x00_get_fw_version(vha); if (ha->fce) { ha->flags.fce_enabled = 1; memset(ha->fce, 0, @@ -4974,7 +4828,6 @@ try_blob_fw: ql_log(ql_log_info, vha, 0x009a, "Update operational firmware.\n"); ha->flags.running_gold_fw = 1; - return rval; } @@ -5009,6 +4862,7 @@ int qla24xx_configure_vhba(scsi_qla_host_t *vha) { int rval = QLA_SUCCESS; + int rval2; uint16_t mb[MAILBOX_REGISTER_COUNT]; struct qla_hw_data *ha = vha->hw; struct scsi_qla_host *base_vha = pci_get_drvdata(ha->pdev); @@ -5033,12 +4887,18 @@ qla24xx_configure_vhba(scsi_qla_host_t *vha) vha->flags.management_server_logged_in = 0; /* Login to SNS first */ - ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, BIT_1); - if (mb[0] != MBS_COMMAND_COMPLETE) { - ql_dbg(ql_dbg_init, vha, 0x0103, - "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x " - "mb[6]=%x mb[7]=%x.\n", - NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]); + rval2 = ha->isp_ops->fabric_login(vha, NPH_SNS, 0xff, 0xff, 0xfc, mb, + BIT_1); + if (rval2 != QLA_SUCCESS || mb[0] != MBS_COMMAND_COMPLETE) { + if (rval2 == QLA_MEMORY_ALLOC_FAILED) + ql_dbg(ql_dbg_init, vha, 0x0120, + "Failed SNS login: loop_id=%x, rval2=%d\n", + NPH_SNS, rval2); + else + ql_dbg(ql_dbg_init, vha, 0x0103, + "Failed SNS login: loop_id=%x mb[0]=%x mb[1]=%x " + "mb[2]=%x mb[6]=%x mb[7]=%x.\n", + NPH_SNS, mb[0], mb[1], mb[2], mb[6], mb[7]); return (QLA_FUNCTION_FAILED); } @@ -5214,10 +5074,10 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) nv->reset_delay = 5; nv->max_luns_per_target = __constant_cpu_to_le16(128); nv->port_down_retry_count = __constant_cpu_to_le16(30); - nv->link_down_timeout = __constant_cpu_to_le16(30); + nv->link_down_timeout = __constant_cpu_to_le16(180); nv->enode_mac[0] = 0x00; - nv->enode_mac[1] = 0x02; - nv->enode_mac[2] = 0x03; + nv->enode_mac[1] = 0xC0; + nv->enode_mac[2] = 0xDD; nv->enode_mac[3] = 0x04; nv->enode_mac[4] = 0x05; nv->enode_mac[5] = 0x06 + ha->port_no; @@ -5248,9 +5108,9 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) memcpy(icb->enode_mac, nv->enode_mac, sizeof(icb->enode_mac)); /* Some boards (with valid NVRAMs) still have NULL enode_mac!! */ if (!memcmp(icb->enode_mac, "\0\0\0\0\0\0", sizeof(icb->enode_mac))) { - icb->enode_mac[0] = 0x01; - icb->enode_mac[1] = 0x02; - icb->enode_mac[2] = 0x03; + icb->enode_mac[0] = 0x00; + icb->enode_mac[1] = 0xC0; + icb->enode_mac[2] = 0xDD; icb->enode_mac[3] = 0x04; icb->enode_mac[4] = 0x05; icb->enode_mac[5] = 0x06 + ha->port_no; @@ -5353,6 +5213,10 @@ qla81xx_nvram_config(scsi_qla_host_t *vha) if (ql2xloginretrycount) ha->login_retry_count = ql2xloginretrycount; + /* if not running MSI-X we need handshaking on interrupts */ + if (!vha->hw->flags.msix_enabled && IS_QLA83XX(ha)) + icb->firmware_options_2 |= __constant_cpu_to_le32(BIT_22); + /* Enable ZIO. */ if (!vha->flags.init_done) { ha->zio_mode = le32_to_cpu(icb->firmware_options_2) & diff --git a/drivers/scsi/qla2xxx/qla_inline.h b/drivers/scsi/qla2xxx/qla_inline.h index 9902834e0b7..6e457643c63 100644 --- a/drivers/scsi/qla2xxx/qla_inline.h +++ b/drivers/scsi/qla2xxx/qla_inline.h @@ -72,16 +72,19 @@ static inline void qla2x00_clean_dsd_pool(struct qla_hw_data *ha, srb_t *sp) { struct dsd_dma *dsd_ptr, *tdsd_ptr; + struct crc_context *ctx; + + ctx = (struct crc_context *)GET_CMD_CTX_SP(sp); /* clean up allocated prev pool */ list_for_each_entry_safe(dsd_ptr, tdsd_ptr, - &((struct crc_context *)sp->ctx)->dsd_list, list) { + &ctx->dsd_list, list) { dma_pool_free(ha->dl_dma_pool, dsd_ptr->dsd_addr, dsd_ptr->dsd_list_dma); list_del(&dsd_ptr->list); kfree(dsd_ptr); } - INIT_LIST_HEAD(&((struct crc_context *)sp->ctx)->dsd_list); + INIT_LIST_HEAD(&ctx->dsd_list); } static inline void @@ -113,8 +116,7 @@ qla2x00_hba_err_chk_enabled(srb_t *sp) return 0; * */ - - switch (scsi_get_prot_op(sp->cmd)) { + switch (scsi_get_prot_op(GET_CMD_SP(sp))) { case SCSI_PROT_READ_STRIP: case SCSI_PROT_WRITE_INSERT: if (ql2xenablehba_err_chk >= 1) @@ -131,3 +133,57 @@ qla2x00_hba_err_chk_enabled(srb_t *sp) } return 0; } + +static inline int +qla2x00_reset_active(scsi_qla_host_t *vha) +{ + scsi_qla_host_t *base_vha = pci_get_drvdata(vha->hw->pdev); + + /* Test appropriate base-vha and vha flags. */ + return test_bit(ISP_ABORT_NEEDED, &base_vha->dpc_flags) || + test_bit(ABORT_ISP_ACTIVE, &base_vha->dpc_flags) || + test_bit(ISP_ABORT_RETRY, &base_vha->dpc_flags) || + test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) || + test_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); +} + +static inline srb_t * +qla2x00_get_sp(scsi_qla_host_t *vha, fc_port_t *fcport, gfp_t flag) +{ + srb_t *sp = NULL; + struct qla_hw_data *ha = vha->hw; + uint8_t bail; + + QLA_VHA_MARK_BUSY(vha, bail); + if (unlikely(bail)) + return NULL; + + sp = mempool_alloc(ha->srb_mempool, flag); + if (!sp) + goto done; + + memset(sp, 0, sizeof(*sp)); + sp->fcport = fcport; + sp->iocbs = 1; +done: + if (!sp) + QLA_VHA_MARK_NOT_BUSY(vha); + return sp; +} + +static inline void +qla2x00_init_timer(srb_t *sp, unsigned long tmo) +{ + init_timer(&sp->u.iocb_cmd.timer); + sp->u.iocb_cmd.timer.expires = jiffies + tmo * HZ; + sp->u.iocb_cmd.timer.data = (unsigned long)sp; + sp->u.iocb_cmd.timer.function = qla2x00_sp_timeout; + add_timer(&sp->u.iocb_cmd.timer); + sp->free = qla2x00_sp_free; +} + +static inline int +qla2x00_gid_list_size(struct qla_hw_data *ha) +{ + return sizeof(struct gid_list_info) * ha->max_fibre_devices; +} diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c index 55a96761b5a..eac95092449 100644 --- a/drivers/scsi/qla2xxx/qla_iocb.c +++ b/drivers/scsi/qla2xxx/qla_iocb.c @@ -22,18 +22,19 @@ static inline uint16_t qla2x00_get_cmd_direction(srb_t *sp) { uint16_t cflags; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); cflags = 0; /* Set transfer direction */ - if (sp->cmd->sc_data_direction == DMA_TO_DEVICE) { + if (cmd->sc_data_direction == DMA_TO_DEVICE) { cflags = CF_WRITE; sp->fcport->vha->hw->qla_stats.output_bytes += - scsi_bufflen(sp->cmd); - } else if (sp->cmd->sc_data_direction == DMA_FROM_DEVICE) { + scsi_bufflen(cmd); + } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { cflags = CF_READ; sp->fcport->vha->hw->qla_stats.input_bytes += - scsi_bufflen(sp->cmd); + scsi_bufflen(cmd); } return (cflags); } @@ -143,12 +144,13 @@ qla2x00_prep_cont_type1_iocb(scsi_qla_host_t *vha, struct req_que *req) static inline int qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) { - uint8_t guard = scsi_host_get_guard(sp->cmd->device->host); + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + uint8_t guard = scsi_host_get_guard(cmd->device->host); /* We only support T10 DIF right now */ if (guard != SHOST_DIX_GUARD_CRC) { ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3007, - "Unsupported guard: %d for cmd=%p.\n", guard, sp->cmd); + "Unsupported guard: %d for cmd=%p.\n", guard, cmd); return 0; } @@ -156,7 +158,7 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) *fw_prot_opts = 0; /* Translate SCSI opcode to a protection opcode */ - switch (scsi_get_prot_op(sp->cmd)) { + switch (scsi_get_prot_op(cmd)) { case SCSI_PROT_READ_STRIP: *fw_prot_opts |= PO_MODE_DIF_REMOVE; break; @@ -180,7 +182,7 @@ qla24xx_configure_prot_mode(srb_t *sp, uint16_t *fw_prot_opts) break; } - return scsi_prot_sg_count(sp->cmd); + return scsi_prot_sg_count(cmd); } /* @@ -201,7 +203,7 @@ void qla2x00_build_scsi_iocbs_32(srb_t *sp, cmd_entry_t *cmd_pkt, struct scatterlist *sg; int i; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 2 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -259,7 +261,7 @@ void qla2x00_build_scsi_iocbs_64(srb_t *sp, cmd_entry_t *cmd_pkt, struct scatterlist *sg; int i; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -333,7 +335,7 @@ qla2x00_start_scsi(srb_t *sp) vha = sp->fcport->vha; ha = vha->hw; reg = &ha->iobase->isp; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); req = ha->req_q_map[0]; rsp = ha->rsp_q_map[0]; /* So we know we haven't pci_map'ed anything yet */ @@ -391,7 +393,7 @@ qla2x00_start_scsi(srb_t *sp) req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; cmd_pkt = (cmd_entry_t *)req->ring_ptr; @@ -403,7 +405,7 @@ qla2x00_start_scsi(srb_t *sp) /* Set target ID and LUN number*/ SET_TARGET_ID(ha, cmd_pkt->target, sp->fcport->loop_id); - cmd_pkt->lun = cpu_to_le16(sp->cmd->device->lun); + cmd_pkt->lun = cpu_to_le16(cmd->device->lun); /* Update tagged queuing modifier */ if (scsi_populate_tag_msg(cmd, tag)) { @@ -473,7 +475,6 @@ qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) { struct qla_hw_data *ha = vha->hw; device_reg_t __iomem *reg = ISP_QUE_REG(ha, req->id); - struct device_reg_2xxx __iomem *ioreg = &ha->iobase->isp; if (IS_QLA82XX(ha)) { qla82xx_start_iocbs(vha); @@ -487,9 +488,9 @@ qla2x00_start_iocbs(struct scsi_qla_host *vha, struct req_que *req) req->ring_ptr++; /* Set chip new ring index. */ - if (ha->mqenable) { - WRT_REG_DWORD(®->isp25mq.req_q_in, req->ring_index); - RD_REG_DWORD(&ioreg->hccr); + if (ha->mqenable || IS_QLA83XX(ha)) { + WRT_REG_DWORD(req->req_q_in, req->ring_index); + RD_REG_DWORD_RELAXED(&ha->iobase->isp24.hccr); } else if (IS_FWI2_CAPABLE(ha)) { WRT_REG_DWORD(®->isp24.req_q_in, req->ring_index); RD_REG_DWORD_RELAXED(®->isp24.req_q_in); @@ -609,7 +610,7 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, struct dsd_dma *dsd_ptr; struct ct6_dsd *ctx; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -636,7 +637,7 @@ qla24xx_build_scsi_type_6_iocbs(srb_t *sp, struct cmd_type_6 *cmd_pkt, } cur_seg = scsi_sglist(cmd); - ctx = sp->ctx; + ctx = GET_CMD_CTX_SP(sp); while (tot_dsds) { avail_dsds = (tot_dsds > QLA_DSDS_PER_IOCB) ? @@ -725,7 +726,7 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, int i; struct req_que *req; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); /* Update entry type to indicate Command Type 3 IOCB */ *((uint32_t *)(&cmd_pkt->entry_type)) = @@ -745,12 +746,12 @@ qla24xx_build_scsi_iocbs(srb_t *sp, struct cmd_type_7 *cmd_pkt, cmd_pkt->task_mgmt_flags = __constant_cpu_to_le16(TMF_WRITE_DATA); sp->fcport->vha->hw->qla_stats.output_bytes += - scsi_bufflen(sp->cmd); + scsi_bufflen(cmd); } else if (cmd->sc_data_direction == DMA_FROM_DEVICE) { cmd_pkt->task_mgmt_flags = __constant_cpu_to_le16(TMF_READ_DATA); sp->fcport->vha->hw->qla_stats.input_bytes += - scsi_bufflen(sp->cmd); + scsi_bufflen(cmd); } /* One DSD is available in the Command Type 3 IOCB */ @@ -797,7 +798,7 @@ static inline void qla24xx_set_t10dif_tags(srb_t *sp, struct fw_dif_context *pkt, unsigned int protcnt) { - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); scsi_qla_host_t *vha = shost_priv(cmd->device->host); switch (scsi_get_prot_type(cmd)) { @@ -952,16 +953,16 @@ qla24xx_walk_and_build_sglist_no_difb(struct qla_hw_data *ha, srb_t *sp, struct qla2_sgx sgx; dma_addr_t sle_dma; uint32_t sle_dma_len, tot_prot_dma_len = 0; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); prot_int = cmd->device->sector_size; memset(&sgx, 0, sizeof(struct qla2_sgx)); - sgx.tot_bytes = scsi_bufflen(sp->cmd); - sgx.cur_sg = scsi_sglist(sp->cmd); + sgx.tot_bytes = scsi_bufflen(cmd); + sgx.cur_sg = scsi_sglist(cmd); sgx.sp = sp; - sg_prot = scsi_prot_sglist(sp->cmd); + sg_prot = scsi_prot_sglist(cmd); while (qla24xx_get_one_block_sg(prot_int, &sgx, &partial)) { @@ -995,7 +996,7 @@ alloc_and_fill: } list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + &((struct crc_context *)sp->u.scmd.ctx)->dsd_list); sp->flags |= SRB_CRC_CTX_DSD_VALID; @@ -1044,11 +1045,12 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, uint32_t *cur_dsd = dsd; int i; uint16_t used_dsds = tot_dsds; - scsi_qla_host_t *vha = shost_priv(sp->cmd->device->host); + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + scsi_qla_host_t *vha = shost_priv(cmd->device->host); uint8_t *cp; - scsi_for_each_sg(sp->cmd, sg, tot_dsds, i) { + scsi_for_each_sg(cmd, sg, tot_dsds, i) { dma_addr_t sle_dma; /* Allocate additional continuation packets? */ @@ -1078,7 +1080,7 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, } list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + &((struct crc_context *)sp->u.scmd.ctx)->dsd_list); sp->flags |= SRB_CRC_CTX_DSD_VALID; @@ -1091,17 +1093,16 @@ qla24xx_walk_and_build_sglist(struct qla_hw_data *ha, srb_t *sp, uint32_t *dsd, sle_dma = sg_dma_address(sg); ql_dbg(ql_dbg_io, vha, 0x300a, "sg entry %d - addr=0x%x 0x%x, " "len=%d for cmd=%p.\n", - i, LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg), - sp->cmd); + i, LSD(sle_dma), MSD(sle_dma), sg_dma_len(sg), cmd); *cur_dsd++ = cpu_to_le32(LSD(sle_dma)); *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); avail_dsds--; - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { + if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { cp = page_address(sg_page(sg)) + sg->offset; ql_dbg(ql_dbg_io, vha, 0x300b, - "User data buffer=%p for cmd=%p.\n", cp, sp->cmd); + "User data buffer=%p for cmd=%p.\n", cp, cmd); } } /* Null termination */ @@ -1128,8 +1129,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); uint8_t *cp; - - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); scsi_for_each_prot_sg(cmd, sg, tot_dsds, i) { dma_addr_t sle_dma; @@ -1160,7 +1160,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, } list_add_tail(&dsd_ptr->list, - &((struct crc_context *)sp->ctx)->dsd_list); + &((struct crc_context *)sp->u.scmd.ctx)->dsd_list); sp->flags |= SRB_CRC_CTX_DSD_VALID; @@ -1171,7 +1171,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, cur_dsd = (uint32_t *)next_dsd; } sle_dma = sg_dma_address(sg); - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { + if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { ql_dbg(ql_dbg_io, vha, 0x3027, "%s(): %p, sg_entry %d - " "addr=0x%x0x%x, len=%d.\n", @@ -1182,7 +1182,7 @@ qla24xx_walk_and_build_prot_sglist(struct qla_hw_data *ha, srb_t *sp, *cur_dsd++ = cpu_to_le32(MSD(sle_dma)); *cur_dsd++ = cpu_to_le32(sg_dma_len(sg)); - if (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_PASS) { + if (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_PASS) { cp = page_address(sg_page(sg)) + sg->offset; ql_dbg(ql_dbg_io, vha, 0x3028, "%s(): Protection Data buffer = %p.\n", __func__, @@ -1228,7 +1228,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, dma_addr_t crc_ctx_dma; char tag[2]; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); sgc = 0; /* Update entry type to indicate Command Type CRC_2 IOCB */ @@ -1256,15 +1256,15 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, __constant_cpu_to_le16(CF_READ_DATA); } - if ((scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_INSERT) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_STRIP) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_READ_STRIP) || - (scsi_get_prot_op(sp->cmd) == SCSI_PROT_WRITE_INSERT)) + if ((scsi_get_prot_op(cmd) == SCSI_PROT_READ_INSERT) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_STRIP) || + (scsi_get_prot_op(cmd) == SCSI_PROT_READ_STRIP) || + (scsi_get_prot_op(cmd) == SCSI_PROT_WRITE_INSERT)) bundling = 0; /* Allocate CRC context from global pool */ - crc_ctx_pkt = sp->ctx = dma_pool_alloc(ha->dl_dma_pool, - GFP_ATOMIC, &crc_ctx_dma); + crc_ctx_pkt = sp->u.scmd.ctx = + dma_pool_alloc(ha->dl_dma_pool, GFP_ATOMIC, &crc_ctx_dma); if (!crc_ctx_pkt) goto crc_queuing_error; @@ -1310,7 +1310,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, else if (cmd->sc_data_direction == DMA_FROM_DEVICE) fcp_cmnd->additional_cdb_len |= 2; - int_to_scsilun(sp->cmd->device->lun, &fcp_cmnd->lun); + int_to_scsilun(cmd->device->lun, &fcp_cmnd->lun); memcpy(fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len); cmd_pkt->fcp_cmnd_dseg_len = cpu_to_le16(fcp_cmnd_len); cmd_pkt->fcp_cmnd_dseg_address[0] = cpu_to_le32( @@ -1345,7 +1345,7 @@ qla24xx_build_scsi_crc_2_iocbs(srb_t *sp, struct cmd_type_crc_2 *cmd_pkt, blk_size = cmd->device->sector_size; dif_bytes = (data_bytes / blk_size) * 8; - switch (scsi_get_prot_op(sp->cmd)) { + switch (scsi_get_prot_op(GET_CMD_SP(sp))) { case SCSI_PROT_READ_INSERT: case SCSI_PROT_WRITE_STRIP: total_bytes = data_bytes; @@ -1445,7 +1445,7 @@ qla24xx_start_scsi(srb_t *sp) uint16_t tot_dsds; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; char tag[2]; @@ -1510,7 +1510,7 @@ qla24xx_start_scsi(srb_t *sp) req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; cmd_pkt = (struct cmd_type_7 *)req->ring_ptr; @@ -1529,7 +1529,7 @@ qla24xx_start_scsi(srb_t *sp) cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; cmd_pkt->vp_index = sp->fcport->vp_idx; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); /* Update tagged queuing modifier -- default is TSK_SIMPLE (0). */ @@ -1611,7 +1611,7 @@ qla24xx_dif_start_scsi(srb_t *sp) uint16_t fw_prot_opts = 0; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct scsi_qla_host *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; struct cmd_type_crc_2 *cmd_pkt; @@ -1728,7 +1728,7 @@ qla24xx_dif_start_scsi(srb_t *sp) req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; /* Fill-in common area */ @@ -1744,7 +1744,7 @@ qla24xx_dif_start_scsi(srb_t *sp) cmd_pkt->port_id[1] = sp->fcport->d_id.b.area; cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); /* Total Data and protection segment(s) */ @@ -1797,7 +1797,7 @@ queuing_error: static void qla25xx_set_que(srb_t *sp, struct rsp_que **rsp) { - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); struct qla_hw_data *ha = sp->fcport->vha->hw; int affinity = cmd->request->cpu; @@ -1818,7 +1818,6 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) uint32_t index, handle; request_t *pkt; uint16_t cnt, req_cnt; - struct srb_ctx *ctx; pkt = NULL; req_cnt = 1; @@ -1848,15 +1847,13 @@ qla2x00_alloc_iocbs(scsi_qla_host_t *vha, srb_t *sp) sp->handle = handle; /* Adjust entry-counts as needed. */ - if (sp->ctx) { - ctx = sp->ctx; - req_cnt = ctx->iocbs; - } + if (sp->type != SRB_SCSI_CMD) + req_cnt = sp->iocbs; skip_cmd_array: /* Check for room on request queue. */ if (req->cnt < req_cnt) { - if (ha->mqenable) + if (ha->mqenable || IS_QLA83XX(ha)) cnt = RD_REG_DWORD(®->isp25mq.req_q_out); else if (IS_QLA82XX(ha)) cnt = RD_REG_DWORD(®->isp82.req_q_out); @@ -1889,8 +1886,7 @@ queuing_error: static void qla24xx_login_iocb(srb_t *sp, struct logio_entry_24xx *logio) { - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; + struct srb_iocb *lio = &sp->u.iocb_cmd; logio->entry_type = LOGINOUT_PORT_IOCB_TYPE; logio->control_flags = cpu_to_le16(LCF_COMMAND_PLOGI); @@ -1909,8 +1905,7 @@ static void qla2x00_login_iocb(srb_t *sp, struct mbx_entry *mbx) { struct qla_hw_data *ha = sp->fcport->vha->hw; - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *lio = ctx->u.iocb_cmd; + struct srb_iocb *lio = &sp->u.iocb_cmd; uint16_t opts; mbx->entry_type = MBX_IOCB_TYPE; @@ -1999,8 +1994,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) struct fc_port *fcport = sp->fcport; scsi_qla_host_t *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; - struct srb_ctx *ctx = sp->ctx; - struct srb_iocb *iocb = ctx->u.iocb_cmd; + struct srb_iocb *iocb = &sp->u.iocb_cmd; struct req_que *req = vha->req; flags = iocb->u.tmf.flags; @@ -2027,7 +2021,7 @@ qla24xx_tm_iocb(srb_t *sp, struct tsk_mgmt_entry *tsk) static void qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) { - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; els_iocb->entry_type = ELS_IOCB_TYPE; els_iocb->entry_count = 1; @@ -2041,7 +2035,7 @@ qla24xx_els_iocb(srb_t *sp, struct els_entry_24xx *els_iocb) els_iocb->rx_dsd_count = __constant_cpu_to_le16(bsg_job->reply_payload.sg_cnt); els_iocb->opcode = - (((struct srb_ctx *)sp->ctx)->type == SRB_ELS_CMD_RPT) ? + sp->type == SRB_ELS_CMD_RPT ? bsg_job->request->rqst_data.r_els.els_code : bsg_job->request->rqst_data.h_els.command_code; els_iocb->port_id[0] = sp->fcport->d_id.b.al_pa; @@ -2078,7 +2072,7 @@ qla2x00_ct_iocb(srb_t *sp, ms_iocb_entry_t *ct_iocb) uint16_t tot_dsds; scsi_qla_host_t *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; int loop_iterartion = 0; int cont_iocb_prsnt = 0; int entry_count = 1; @@ -2155,7 +2149,7 @@ qla24xx_ct_iocb(srb_t *sp, struct ct_entry_24xx *ct_iocb) uint16_t tot_dsds; scsi_qla_host_t *vha = sp->fcport->vha; struct qla_hw_data *ha = vha->hw; - struct fc_bsg_job *bsg_job = ((struct srb_ctx *)sp->ctx)->u.bsg_job; + struct fc_bsg_job *bsg_job = sp->u.bsg_job; int loop_iterartion = 0; int cont_iocb_prsnt = 0; int entry_count = 1; @@ -2245,12 +2239,12 @@ qla82xx_start_scsi(srb_t *sp) struct qla_hw_data *ha = vha->hw; struct req_que *req = NULL; struct rsp_que *rsp = NULL; - char tag[2]; + char tag[2]; /* Setup device pointers. */ ret = 0; reg = &ha->iobase->isp82; - cmd = sp->cmd; + cmd = GET_CMD_SP(sp); req = vha->req; rsp = ha->rsp_q_map[0]; @@ -2354,12 +2348,14 @@ sufficient_dsds: if (req->cnt < (req_cnt + 2)) goto queuing_error; - ctx = sp->ctx = mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); - if (!sp->ctx) { + ctx = sp->u.scmd.ctx = + mempool_alloc(ha->ctx_mempool, GFP_ATOMIC); + if (!ctx) { ql_log(ql_log_fatal, vha, 0x3010, "Failed to allocate ctx for cmd=%p.\n", cmd); goto queuing_error; } + memset(ctx, 0, sizeof(struct ct6_dsd)); ctx->fcp_cmnd = dma_pool_alloc(ha->fcp_cmnd_dma_pool, GFP_ATOMIC, &ctx->fcp_cmnd_dma); @@ -2410,12 +2406,12 @@ sufficient_dsds: if (qla24xx_build_scsi_type_6_iocbs(sp, cmd_pkt, tot_dsds)) goto queuing_error_fcp_cmnd; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, sizeof(cmd_pkt->lun)); /* build FCP_CMND IU */ memset(ctx->fcp_cmnd, 0, sizeof(struct fcp_cmnd)); - int_to_scsilun(sp->cmd->device->lun, &ctx->fcp_cmnd->lun); + int_to_scsilun(cmd->device->lun, &ctx->fcp_cmnd->lun); ctx->fcp_cmnd->additional_cdb_len = additional_cdb_len; if (cmd->sc_data_direction == DMA_TO_DEVICE) @@ -2495,9 +2491,9 @@ sufficient_dsds: cmd_pkt->port_id[2] = sp->fcport->d_id.b.domain; cmd_pkt->vp_index = sp->fcport->vp_idx; - int_to_scsilun(sp->cmd->device->lun, &cmd_pkt->lun); + int_to_scsilun(cmd->device->lun, &cmd_pkt->lun); host_to_fcp_swap((uint8_t *)&cmd_pkt->lun, - sizeof(cmd_pkt->lun)); + sizeof(cmd_pkt->lun)); /* * Update tagged queuing modifier -- default is TSK_SIMPLE (0). @@ -2538,7 +2534,7 @@ sufficient_dsds: req->current_outstanding_cmd = handle; req->outstanding_cmds[handle] = sp; sp->handle = handle; - sp->cmd->host_scribble = (unsigned char *)(unsigned long)handle; + cmd->host_scribble = (unsigned char *)(unsigned long)handle; req->cnt -= req_cnt; wmb(); @@ -2584,9 +2580,9 @@ queuing_error: if (tot_dsds) scsi_dma_unmap(cmd); - if (sp->ctx) { - mempool_free(sp->ctx, ha->ctx_mempool); - sp->ctx = NULL; + if (sp->u.scmd.ctx) { + mempool_free(sp->u.scmd.ctx, ha->ctx_mempool); + sp->u.scmd.ctx = NULL; } spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -2599,7 +2595,6 @@ qla2x00_start_sp(srb_t *sp) int rval; struct qla_hw_data *ha = sp->fcport->vha->hw; void *pkt; - struct srb_ctx *ctx = sp->ctx; unsigned long flags; rval = QLA_FUNCTION_FAILED; @@ -2612,7 +2607,7 @@ qla2x00_start_sp(srb_t *sp) } rval = QLA_SUCCESS; - switch (ctx->type) { + switch (sp->type) { case SRB_LOGIN_CMD: IS_FWI2_CAPABLE(ha) ? qla24xx_login_iocb(sp, pkt) : diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index e804585cc59..f79844ce712 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -44,8 +44,8 @@ qla2100_intr_handler(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x505d, + "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } @@ -141,8 +141,8 @@ qla2300_intr_handler(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x5058, + "%s: NULL response queue pointer.\n", __func__); return (IRQ_NONE); } @@ -289,7 +289,7 @@ qla81xx_idc_event(scsi_qla_host_t *vha, uint16_t aen, uint16_t descr) mb[cnt] = RD_REG_WORD(wptr); ql_dbg(ql_dbg_async, vha, 0x5021, - "Inter-Driver Commucation %s -- " + "Inter-Driver Communication %s -- " "%04x %04x %04x %04x %04x %04x %04x.\n", event[aen & 0xff], mb[0], mb[1], mb[2], mb[3], mb[4], mb[5], mb[6]); @@ -318,7 +318,7 @@ void qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) { #define LS_UNKNOWN 2 - static char *link_speeds[] = { "1", "2", "?", "4", "8", "10" }; + static char *link_speeds[] = { "1", "2", "?", "4", "8", "16", "10" }; char *link_speed; uint16_t handle_cnt; uint16_t cnt, mbx; @@ -328,12 +328,11 @@ qla2x00_async_event(scsi_qla_host_t *vha, struct rsp_que *rsp, uint16_t *mb) struct device_reg_24xx __iomem *reg24 = &ha->iobase->isp24; struct device_reg_82xx __iomem *reg82 = &ha->iobase->isp82; uint32_t rscn_entry, host_pid; - uint8_t rscn_queue_index; unsigned long flags; /* Setup to process RIO completion. */ handle_cnt = 0; - if (IS_QLA8XXX_TYPE(ha)) + if (IS_CNA_CAPABLE(ha)) goto skip_rio; switch (mb[0]) { case MBA_SCSI_COMPLETION: @@ -405,7 +404,8 @@ skip_rio: break; case MBA_SYSTEM_ERR: /* System Error */ - mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox7) : 0; + mbx = (IS_QLA81XX(ha) || IS_QLA83XX(ha)) ? + RD_REG_WORD(®24->mailbox7) : 0; ql_log(ql_log_warn, vha, 0x5003, "ISP System Error - mbx1=%xh mbx2=%xh mbx3=%xh " "mbx7=%xh.\n", mb[1], mb[2], mb[3], mbx); @@ -418,6 +418,7 @@ skip_rio: "Unrecoverable Hardware Error: adapter " "marked OFFLINE!\n"); vha->flags.online = 0; + vha->device_flags |= DFLG_DEV_FAILED; } else { /* Check to see if MPI timeout occurred */ if ((mbx & MBX_3) && (ha->flags.port0)) @@ -431,6 +432,7 @@ skip_rio: "Unrecoverable Hardware Error: adapter marked " "OFFLINE!\n"); vha->flags.online = 0; + vha->device_flags |= DFLG_DEV_FAILED; } else set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); break; @@ -482,10 +484,10 @@ skip_rio: ha->link_data_rate = PORT_SPEED_1GB; } else { link_speed = link_speeds[LS_UNKNOWN]; - if (mb[1] < 5) + if (mb[1] < 6) link_speed = link_speeds[mb[1]]; else if (mb[1] == 0x13) - link_speed = link_speeds[5]; + link_speed = link_speeds[6]; ha->link_data_rate = mb[1]; } @@ -497,7 +499,8 @@ skip_rio: break; case MBA_LOOP_DOWN: /* Loop Down Event */ - mbx = IS_QLA81XX(ha) ? RD_REG_WORD(®24->mailbox4) : 0; + mbx = (IS_QLA81XX(ha) || IS_QLA8031(ha)) + ? RD_REG_WORD(®24->mailbox4) : 0; mbx = IS_QLA82XX(ha) ? RD_REG_WORD(®82->mailbox_out[4]) : mbx; ql_dbg(ql_dbg_async, vha, 0x500b, "LOOP DOWN detected (%x %x %x %x).\n", @@ -547,7 +550,7 @@ skip_rio: if (IS_QLA2100(ha)) break; - if (IS_QLA8XXX_TYPE(ha)) { + if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA8031(ha)) { ql_dbg(ql_dbg_async, vha, 0x500d, "DCBX Completed -- %04x %04x %04x.\n", mb[1], mb[2], mb[3]); @@ -681,8 +684,6 @@ skip_rio: qla2x00_mark_all_devices_lost(vha, 1); - vha->flags.rscn_queue_overflow = 1; - set_bit(LOOP_RESYNC_NEEDED, &vha->dpc_flags); set_bit(LOCAL_LOOP_UPDATE, &vha->dpc_flags); break; @@ -711,15 +712,6 @@ skip_rio: /* Ignore reserved bits from RSCN-payload. */ rscn_entry = ((mb[1] & 0x3ff) << 16) | mb[2]; - rscn_queue_index = vha->rscn_in_ptr + 1; - if (rscn_queue_index == MAX_RSCN_COUNT) - rscn_queue_index = 0; - if (rscn_queue_index != vha->rscn_out_ptr) { - vha->rscn_queue[vha->rscn_in_ptr] = rscn_entry; - vha->rscn_in_ptr = rscn_queue_index; - } else { - vha->flags.rscn_queue_overflow = 1; - } atomic_set(&vha->loop_down_timer, 0); vha->flags.management_server_logged_in = 0; @@ -809,6 +801,10 @@ skip_rio: case MBA_IDC_TIME_EXT: qla81xx_idc_event(vha, mb[0], mb[1]); break; + default: + ql_dbg(ql_dbg_async, vha, 0x5057, + "Unknown AEN:%04x %04x %04x %04x\n", + mb[0], mb[1], mb[2], mb[3]); } if (!vha->vp_idx && ha->num_vhosts) @@ -845,8 +841,7 @@ qla2x00_process_completed_request(struct scsi_qla_host *vha, req->outstanding_cmds[index] = NULL; /* Save ISP completion status */ - sp->cmd->result = DID_OK << 16; - qla2x00_sp_compl(ha, sp); + sp->done(ha, sp, DID_OK << 16); } else { ql_log(ql_log_warn, vha, 0x3016, "Invalid SCSI SRB.\n"); @@ -903,7 +898,6 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, fc_port_t *fcport; srb_t *sp; struct srb_iocb *lio; - struct srb_ctx *ctx; uint16_t *data; uint16_t status; @@ -911,9 +905,8 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, if (!sp) return; - ctx = sp->ctx; - lio = ctx->u.iocb_cmd; - type = ctx->name; + lio = &sp->u.iocb_cmd; + type = sp->name; fcport = sp->fcport; data = lio->u.logio.data; @@ -937,7 +930,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, } status = le16_to_cpu(mbx->status); - if (status == 0x30 && ctx->type == SRB_LOGIN_CMD && + if (status == 0x30 && sp->type == SRB_LOGIN_CMD && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) status = 0; if (!status && le16_to_cpu(mbx->mb0) == MBS_COMMAND_COMPLETE) { @@ -948,7 +941,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, le16_to_cpu(mbx->mb1)); data[0] = MBS_COMMAND_COMPLETE; - if (ctx->type == SRB_LOGIN_CMD) { + if (sp->type == SRB_LOGIN_CMD) { fcport->port_type = FCT_TARGET; if (le16_to_cpu(mbx->mb1) & BIT_0) fcport->port_type = FCT_INITIATOR; @@ -979,7 +972,7 @@ qla2x00_mbx_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, le16_to_cpu(mbx->mb7)); logio_done: - lio->done(sp); + sp->done(vha, sp, 0); } static void @@ -988,29 +981,18 @@ qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, { const char func[] = "CT_IOCB"; const char *type; - struct qla_hw_data *ha = vha->hw; srb_t *sp; - struct srb_ctx *sp_bsg; struct fc_bsg_job *bsg_job; uint16_t comp_status; + int res; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; - sp_bsg = sp->ctx; - bsg_job = sp_bsg->u.bsg_job; + bsg_job = sp->u.bsg_job; - type = NULL; - switch (sp_bsg->type) { - case SRB_CT_CMD: - type = "ct pass-through"; - break; - default: - ql_log(ql_log_warn, vha, 0x5047, - "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); - return; - } + type = "ct pass-through"; comp_status = le16_to_cpu(pkt->comp_status); @@ -1022,7 +1004,7 @@ qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, if (comp_status != CS_COMPLETE) { if (comp_status == CS_DATA_UNDERRUN) { - bsg_job->reply->result = DID_OK << 16; + res = DID_OK << 16; bsg_job->reply->reply_payload_rcv_len = le16_to_cpu(((sts_entry_t *)pkt)->rsp_info_len); @@ -1035,30 +1017,19 @@ qla2x00_ct_entry(scsi_qla_host_t *vha, struct req_que *req, ql_log(ql_log_warn, vha, 0x5049, "CT pass-through-%s error " "comp_status-status=0x%x.\n", type, comp_status); - bsg_job->reply->result = DID_ERROR << 16; + res = DID_ERROR << 16; bsg_job->reply->reply_payload_rcv_len = 0; } ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5035, (uint8_t *)pkt, sizeof(*pkt)); } else { - bsg_job->reply->result = DID_OK << 16; + res = DID_OK << 16; bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; bsg_job->reply_len = 0; } - dma_unmap_sg(&ha->pdev->dev, bsg_job->request_payload.sg_list, - bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); - - dma_unmap_sg(&ha->pdev->dev, bsg_job->reply_payload.sg_list, - bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); - - if (sp_bsg->type == SRB_ELS_CMD_HST || sp_bsg->type == SRB_CT_CMD) - kfree(sp->fcport); - - kfree(sp->ctx); - mempool_free(sp, ha->srb_mempool); - bsg_job->job_done(bsg_job); + sp->done(vha, sp, res); } static void @@ -1067,22 +1038,20 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, { const char func[] = "ELS_CT_IOCB"; const char *type; - struct qla_hw_data *ha = vha->hw; srb_t *sp; - struct srb_ctx *sp_bsg; struct fc_bsg_job *bsg_job; uint16_t comp_status; uint32_t fw_status[3]; uint8_t* fw_sts_ptr; + int res; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (!sp) return; - sp_bsg = sp->ctx; - bsg_job = sp_bsg->u.bsg_job; + bsg_job = sp->u.bsg_job; type = NULL; - switch (sp_bsg->type) { + switch (sp->type) { case SRB_ELS_CMD_RPT: case SRB_ELS_CMD_HST: type = "els"; @@ -1091,8 +1060,8 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, type = "ct pass-through"; break; default: - ql_log(ql_log_warn, vha, 0x503e, - "Unrecognized SRB: (%p) type=%d.\n", sp, sp_bsg->type); + ql_dbg(ql_dbg_user, vha, 0x503e, + "Unrecognized SRB: (%p) type=%d.\n", sp, sp->type); return; } @@ -1108,11 +1077,11 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, if (comp_status != CS_COMPLETE) { if (comp_status == CS_DATA_UNDERRUN) { - bsg_job->reply->result = DID_OK << 16; + res = DID_OK << 16; bsg_job->reply->reply_payload_rcv_len = - le16_to_cpu(((struct els_sts_entry_24xx*)pkt)->total_byte_count); + le16_to_cpu(((struct els_sts_entry_24xx *)pkt)->total_byte_count); - ql_log(ql_log_info, vha, 0x503f, + ql_dbg(ql_dbg_user, vha, 0x503f, "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " "error subcode 1=0x%x error subcode 2=0x%x total_byte = 0x%x.\n", type, sp->handle, comp_status, fw_status[1], fw_status[2], @@ -1122,7 +1091,7 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); } else { - ql_log(ql_log_info, vha, 0x5040, + ql_dbg(ql_dbg_user, vha, 0x5040, "ELS-CT pass-through-%s error hdl=%x comp_status-status=0x%x " "error subcode 1=0x%x error subcode 2=0x%x.\n", type, sp->handle, comp_status, @@ -1130,32 +1099,21 @@ qla24xx_els_ct_entry(scsi_qla_host_t *vha, struct req_que *req, pkt)->error_subcode_1), le16_to_cpu(((struct els_sts_entry_24xx *) pkt)->error_subcode_2)); - bsg_job->reply->result = DID_ERROR << 16; + res = DID_ERROR << 16; bsg_job->reply->reply_payload_rcv_len = 0; fw_sts_ptr = ((uint8_t*)bsg_job->req->sense) + sizeof(struct fc_bsg_reply); memcpy( fw_sts_ptr, fw_status, sizeof(fw_status)); } - ql_dump_buffer(ql_dbg_async + ql_dbg_buffer, vha, 0x5056, + ql_dump_buffer(ql_dbg_user + ql_dbg_buffer, vha, 0x5056, (uint8_t *)pkt, sizeof(*pkt)); } else { - bsg_job->reply->result = DID_OK << 16; + res = DID_OK << 16; bsg_job->reply->reply_payload_rcv_len = bsg_job->reply_payload.payload_len; bsg_job->reply_len = 0; } - dma_unmap_sg(&ha->pdev->dev, - bsg_job->request_payload.sg_list, - bsg_job->request_payload.sg_cnt, DMA_TO_DEVICE); - dma_unmap_sg(&ha->pdev->dev, - bsg_job->reply_payload.sg_list, - bsg_job->reply_payload.sg_cnt, DMA_FROM_DEVICE); - if ((sp_bsg->type == SRB_ELS_CMD_HST) || - (sp_bsg->type == SRB_CT_CMD)) - kfree(sp->fcport); - kfree(sp->ctx); - mempool_free(sp, ha->srb_mempool); - bsg_job->job_done(bsg_job); + sp->done(vha, sp, res); } static void @@ -1167,7 +1125,6 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, fc_port_t *fcport; srb_t *sp; struct srb_iocb *lio; - struct srb_ctx *ctx; uint16_t *data; uint32_t iop[2]; @@ -1175,9 +1132,8 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, if (!sp) return; - ctx = sp->ctx; - lio = ctx->u.iocb_cmd; - type = ctx->name; + lio = &sp->u.iocb_cmd; + type = sp->name; fcport = sp->fcport; data = lio->u.logio.data; @@ -1185,7 +1141,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, data[1] = lio->u.logio.flags & SRB_LOGIN_RETRIED ? QLA_LOGIO_LOGIN_RETRIED : 0; if (logio->entry_status) { - ql_log(ql_log_warn, vha, 0x5034, + ql_log(ql_log_warn, fcport->vha, 0x5034, "Async-%s error entry - hdl=%x" "portid=%02x%02x%02x entry-status=%x.\n", type, sp->handle, fcport->d_id.b.domain, @@ -1198,14 +1154,14 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, } if (le16_to_cpu(logio->comp_status) == CS_COMPLETE) { - ql_dbg(ql_dbg_async, vha, 0x5036, + ql_dbg(ql_dbg_async, fcport->vha, 0x5036, "Async-%s complete - hdl=%x portid=%02x%02x%02x " "iop0=%x.\n", type, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, le32_to_cpu(logio->io_parameter[0])); data[0] = MBS_COMMAND_COMPLETE; - if (ctx->type != SRB_LOGIN_CMD) + if (sp->type != SRB_LOGIN_CMD) goto logio_done; iop[0] = le32_to_cpu(logio->io_parameter[0]); @@ -1239,7 +1195,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, break; } - ql_dbg(ql_dbg_async, vha, 0x5037, + ql_dbg(ql_dbg_async, fcport->vha, 0x5037, "Async-%s failed - hdl=%x portid=%02x%02x%02x comp=%x " "iop0=%x iop1=%x.\n", type, sp->handle, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, @@ -1248,7 +1204,7 @@ qla24xx_logio_entry(scsi_qla_host_t *vha, struct req_que *req, le32_to_cpu(logio->io_parameter[1])); logio_done: - lio->done(sp); + sp->done(vha, sp, 0); } static void @@ -1260,7 +1216,6 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, fc_port_t *fcport; srb_t *sp; struct srb_iocb *iocb; - struct srb_ctx *ctx; struct sts_entry_24xx *sts = (struct sts_entry_24xx *)tsk; int error = 1; @@ -1268,30 +1223,29 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, if (!sp) return; - ctx = sp->ctx; - iocb = ctx->u.iocb_cmd; - type = ctx->name; + iocb = &sp->u.iocb_cmd; + type = sp->name; fcport = sp->fcport; if (sts->entry_status) { - ql_log(ql_log_warn, vha, 0x5038, + ql_log(ql_log_warn, fcport->vha, 0x5038, "Async-%s error - hdl=%x entry-status(%x).\n", type, sp->handle, sts->entry_status); } else if (sts->comp_status != __constant_cpu_to_le16(CS_COMPLETE)) { - ql_log(ql_log_warn, vha, 0x5039, + ql_log(ql_log_warn, fcport->vha, 0x5039, "Async-%s error - hdl=%x completion status(%x).\n", type, sp->handle, sts->comp_status); } else if (!(le16_to_cpu(sts->scsi_status) & SS_RESPONSE_INFO_LEN_VALID)) { - ql_log(ql_log_warn, vha, 0x503a, + ql_log(ql_log_warn, fcport->vha, 0x503a, "Async-%s error - hdl=%x no response info(%x).\n", type, sp->handle, sts->scsi_status); } else if (le32_to_cpu(sts->rsp_data_len) < 4) { - ql_log(ql_log_warn, vha, 0x503b, + ql_log(ql_log_warn, fcport->vha, 0x503b, "Async-%s error - hdl=%x not enough response(%d).\n", type, sp->handle, sts->rsp_data_len); } else if (sts->data[3]) { - ql_log(ql_log_warn, vha, 0x503c, + ql_log(ql_log_warn, fcport->vha, 0x503c, "Async-%s error - hdl=%x response(%x).\n", type, sp->handle, sts->data[3]); } else { @@ -1304,7 +1258,7 @@ qla24xx_tm_iocb_entry(scsi_qla_host_t *vha, struct req_que *req, (uint8_t *)sts, sizeof(*sts)); } - iocb->done(sp); + sp->done(vha, sp, 0); } /** @@ -1390,25 +1344,32 @@ qla2x00_process_response_queue(struct rsp_que *rsp) static inline void qla2x00_handle_sense(srb_t *sp, uint8_t *sense_data, uint32_t par_sense_len, - uint32_t sense_len, struct rsp_que *rsp) + uint32_t sense_len, struct rsp_que *rsp, int res) { struct scsi_qla_host *vha = sp->fcport->vha; - struct scsi_cmnd *cp = sp->cmd; + struct scsi_cmnd *cp = GET_CMD_SP(sp); + uint32_t track_sense_len; if (sense_len >= SCSI_SENSE_BUFFERSIZE) sense_len = SCSI_SENSE_BUFFERSIZE; - sp->request_sense_length = sense_len; - sp->request_sense_ptr = cp->sense_buffer; - if (sp->request_sense_length > par_sense_len) + SET_CMD_SENSE_LEN(sp, sense_len); + SET_CMD_SENSE_PTR(sp, cp->sense_buffer); + track_sense_len = sense_len; + + if (sense_len > par_sense_len) sense_len = par_sense_len; memcpy(cp->sense_buffer, sense_data, sense_len); - sp->request_sense_ptr += sense_len; - sp->request_sense_length -= sense_len; - if (sp->request_sense_length != 0) + SET_CMD_SENSE_PTR(sp, cp->sense_buffer + sense_len); + track_sense_len -= sense_len; + SET_CMD_SENSE_LEN(sp, track_sense_len); + + if (track_sense_len != 0) { rsp->status_srb = sp; + cp->result = res; + } if (sense_len) { ql_dbg(ql_dbg_io + ql_dbg_buffer, vha, 0x301c, @@ -1436,7 +1397,7 @@ static inline int qla2x00_handle_dif_error(srb_t *sp, struct sts_entry_24xx *sts24) { struct scsi_qla_host *vha = sp->fcport->vha; - struct scsi_cmnd *cmd = sp->cmd; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); uint8_t *ap = &sts24->data[12]; uint8_t *ep = &sts24->data[20]; uint32_t e_ref_tag, a_ref_tag; @@ -1580,6 +1541,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) uint16_t que; struct req_que *req; int logit = 1; + int res = 0; sts = (sts_entry_t *) pkt; sts24 = (struct sts_entry_24xx *) pkt; @@ -1619,7 +1581,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) qla2xxx_wake_dpc(vha); return; } - cp = sp->cmd; + cp = GET_CMD_SP(sp); if (cp == NULL) { ql_dbg(ql_dbg_io, vha, 0x3018, "Command already returned (0x%x/%p).\n", @@ -1668,11 +1630,11 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) par_sense_len -= rsp_info_len; } if (rsp_info_len > 3 && rsp_info[3]) { - ql_dbg(ql_dbg_io, vha, 0x3019, + ql_dbg(ql_dbg_io, fcport->vha, 0x3019, "FCP I/O protocol failure (0x%x/0x%x).\n", rsp_info_len, rsp_info[3]); - cp->result = DID_BUS_BUSY << 16; + res = DID_BUS_BUSY << 16; goto out; } } @@ -1689,7 +1651,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) case CS_COMPLETE: case CS_QUEUE_FULL: if (scsi_status == 0) { - cp->result = DID_OK << 16; + res = DID_OK << 16; break; } if (scsi_status & (SS_RESIDUAL_UNDER | SS_RESIDUAL_OVER)) { @@ -1699,19 +1661,19 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) if (!lscsi_status && ((unsigned)(scsi_bufflen(cp) - resid) < cp->underflow)) { - ql_dbg(ql_dbg_io, vha, 0x301a, + ql_dbg(ql_dbg_io, fcport->vha, 0x301a, "Mid-layer underflow " "detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); - cp->result = DID_ERROR << 16; + res = DID_ERROR << 16; break; } } - cp->result = DID_OK << 16 | lscsi_status; + res = DID_OK << 16 | lscsi_status; if (lscsi_status == SAM_STAT_TASK_SET_FULL) { - ql_dbg(ql_dbg_io, vha, 0x301b, + ql_dbg(ql_dbg_io, fcport->vha, 0x301b, "QUEUE FULL detected.\n"); break; } @@ -1724,7 +1686,7 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) break; qla2x00_handle_sense(sp, sense_data, par_sense_len, sense_len, - rsp); + rsp, res); break; case CS_DATA_UNDERRUN: @@ -1733,36 +1695,36 @@ qla2x00_status_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, void *pkt) scsi_set_resid(cp, resid); if (scsi_status & SS_RESIDUAL_UNDER) { if (IS_FWI2_CAPABLE(ha) && fw_resid_len != resid_len) { - ql_dbg(ql_dbg_io, vha, 0x301d, + ql_dbg(ql_dbg_io, fcport->vha, 0x301d, "Dropped frame(s) detected " "(0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); - cp->result = DID_ERROR << 16 | lscsi_status; + res = DID_ERROR << 16 | lscsi_status; goto check_scsi_status; } if (!lscsi_status && ((unsigned)(scsi_bufflen(cp) - resid) < cp->underflow)) { - ql_dbg(ql_dbg_io, vha, 0x301e, + ql_dbg(ql_dbg_io, fcport->vha, 0x301e, "Mid-layer underflow " "detected (0x%x of 0x%x bytes).\n", resid, scsi_bufflen(cp)); - cp->result = DID_ERROR << 16; + res = DID_ERROR << 16; break; } } else { - ql_dbg(ql_dbg_io, vha, 0x301f, + ql_dbg(ql_dbg_io, fcport->vha, 0x301f, "Dropped frame(s) detected (0x%x " "of 0x%x bytes).\n", resid, scsi_bufflen(cp)); - cp->result = DID_ERROR << 16 | lscsi_status; + res = DID_ERROR << 16 | lscsi_status; goto check_scsi_status; } - cp->result = DID_OK << 16 | lscsi_status; + res = DID_OK << 16 | lscsi_status; logit = 0; check_scsi_status: @@ -1772,7 +1734,7 @@ check_scsi_status: */ if (lscsi_status != 0) { if (lscsi_status == SAM_STAT_TASK_SET_FULL) { - ql_dbg(ql_dbg_io, vha, 0x3020, + ql_dbg(ql_dbg_io, fcport->vha, 0x3020, "QUEUE FULL detected.\n"); logit = 1; break; @@ -1785,7 +1747,7 @@ check_scsi_status: break; qla2x00_handle_sense(sp, sense_data, par_sense_len, - sense_len, rsp); + sense_len, rsp, res); } break; @@ -1802,7 +1764,7 @@ check_scsi_status: * while we try to recover so instruct the mid layer * to requeue until the class decides how to handle this. */ - cp->result = DID_TRANSPORT_DISRUPTED << 16; + res = DID_TRANSPORT_DISRUPTED << 16; if (comp_status == CS_TIMEOUT) { if (IS_FWI2_CAPABLE(ha)) @@ -1812,7 +1774,7 @@ check_scsi_status: break; } - ql_dbg(ql_dbg_io, vha, 0x3021, + ql_dbg(ql_dbg_io, fcport->vha, 0x3021, "Port down status: port-state=0x%x.\n", atomic_read(&fcport->state)); @@ -1821,25 +1783,25 @@ check_scsi_status: break; case CS_ABORTED: - cp->result = DID_RESET << 16; + res = DID_RESET << 16; break; case CS_DIF_ERROR: logit = qla2x00_handle_dif_error(sp, sts24); break; default: - cp->result = DID_ERROR << 16; + res = DID_ERROR << 16; break; } out: if (logit) - ql_dbg(ql_dbg_io, vha, 0x3022, + ql_dbg(ql_dbg_io, fcport->vha, 0x3022, "FCP command status: 0x%x-0x%x (0x%x) " "nexus=%ld:%d:%d portid=%02x%02x%02x oxid=0x%x " "cdb=%02x%02x%02x%02x%02x%02x%02x%02x%02x%02x len=0x%x " "rsp_info=0x%x resid=0x%x fw_resid=0x%x.\n", - comp_status, scsi_status, cp->result, vha->host_no, + comp_status, scsi_status, res, vha->host_no, cp->device->id, cp->device->lun, fcport->d_id.b.domain, fcport->d_id.b.area, fcport->d_id.b.al_pa, ox_id, cp->cmnd[0], cp->cmnd[1], cp->cmnd[2], cp->cmnd[3], @@ -1848,7 +1810,7 @@ out: resid_len, fw_resid_len); if (rsp->status_srb == NULL) - qla2x00_sp_compl(ha, sp); + sp->done(ha, sp, res); } /** @@ -1861,84 +1823,52 @@ out: static void qla2x00_status_cont_entry(struct rsp_que *rsp, sts_cont_entry_t *pkt) { - uint8_t sense_sz = 0; + uint8_t sense_sz = 0; struct qla_hw_data *ha = rsp->hw; struct scsi_qla_host *vha = pci_get_drvdata(ha->pdev); - srb_t *sp = rsp->status_srb; + srb_t *sp = rsp->status_srb; struct scsi_cmnd *cp; + uint32_t sense_len; + uint8_t *sense_ptr; - if (sp != NULL && sp->request_sense_length != 0) { - cp = sp->cmd; - if (cp == NULL) { - ql_log(ql_log_warn, vha, 0x3025, - "cmd is NULL: already returned to OS (sp=%p).\n", - sp); + if (!sp || !GET_CMD_SENSE_LEN(sp)) + return; - rsp->status_srb = NULL; - return; - } + sense_len = GET_CMD_SENSE_LEN(sp); + sense_ptr = GET_CMD_SENSE_PTR(sp); - if (sp->request_sense_length > sizeof(pkt->data)) { - sense_sz = sizeof(pkt->data); - } else { - sense_sz = sp->request_sense_length; - } + cp = GET_CMD_SP(sp); + if (cp == NULL) { + ql_log(ql_log_warn, vha, 0x3025, + "cmd is NULL: already returned to OS (sp=%p).\n", sp); - /* Move sense data. */ - if (IS_FWI2_CAPABLE(ha)) - host_to_fcp_swap(pkt->data, sizeof(pkt->data)); - memcpy(sp->request_sense_ptr, pkt->data, sense_sz); - ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, - sp->request_sense_ptr, sense_sz); - - sp->request_sense_ptr += sense_sz; - sp->request_sense_length -= sense_sz; - - /* Place command on done queue. */ - if (sp->request_sense_length == 0) { - rsp->status_srb = NULL; - qla2x00_sp_compl(ha, sp); - } + rsp->status_srb = NULL; + return; } -} -static int -qla2x00_free_sp_ctx(scsi_qla_host_t *vha, srb_t *sp) -{ - struct qla_hw_data *ha = vha->hw; - struct srb_ctx *ctx; + if (sense_len > sizeof(pkt->data)) + sense_sz = sizeof(pkt->data); + else + sense_sz = sense_len; - if (!sp->ctx) - return 1; + /* Move sense data. */ + if (IS_FWI2_CAPABLE(ha)) + host_to_fcp_swap(pkt->data, sizeof(pkt->data)); + memcpy(sense_ptr, pkt->data, sense_sz); + ql_dump_buffer(ql_dbg_io + ql_dbg_buffer, vha, 0x302c, + sense_ptr, sense_sz); - ctx = sp->ctx; + sense_len -= sense_sz; + sense_ptr += sense_sz; - if (ctx->type == SRB_LOGIN_CMD || - ctx->type == SRB_LOGOUT_CMD || - ctx->type == SRB_TM_CMD) { - ctx->u.iocb_cmd->done(sp); - return 0; - } else if (ctx->type == SRB_ADISC_CMD) { - ctx->u.iocb_cmd->free(sp); - return 0; - } else { - struct fc_bsg_job *bsg_job; - - bsg_job = ctx->u.bsg_job; - if (ctx->type == SRB_ELS_CMD_HST || - ctx->type == SRB_CT_CMD) - kfree(sp->fcport); - - bsg_job->reply->reply_data.ctels_reply.status = - FC_CTELS_STATUS_OK; - bsg_job->reply->result = DID_ERROR << 16; - bsg_job->reply->reply_payload_rcv_len = 0; - kfree(sp->ctx); - mempool_free(sp, ha->srb_mempool); - bsg_job->job_done(bsg_job); - return 0; + SET_CMD_SENSE_PTR(sp, sense_ptr); + SET_CMD_SENSE_LEN(sp, sense_len); + + /* Place command on done queue. */ + if (sense_len == 0) { + rsp->status_srb = NULL; + sp->done(ha, sp, cp->result); } - return 1; } /** @@ -1953,53 +1883,34 @@ qla2x00_error_entry(scsi_qla_host_t *vha, struct rsp_que *rsp, sts_entry_t *pkt) struct qla_hw_data *ha = vha->hw; const char func[] = "ERROR-IOCB"; uint16_t que = MSW(pkt->handle); - struct req_que *req = ha->req_q_map[que]; - - if (pkt->entry_status & RF_INV_E_ORDER) - ql_dbg(ql_dbg_async, vha, 0x502a, - "Invalid Entry Order.\n"); - else if (pkt->entry_status & RF_INV_E_COUNT) - ql_dbg(ql_dbg_async, vha, 0x502b, - "Invalid Entry Count.\n"); - else if (pkt->entry_status & RF_INV_E_PARAM) - ql_dbg(ql_dbg_async, vha, 0x502c, - "Invalid Entry Parameter.\n"); - else if (pkt->entry_status & RF_INV_E_TYPE) - ql_dbg(ql_dbg_async, vha, 0x502d, - "Invalid Entry Type.\n"); - else if (pkt->entry_status & RF_BUSY) - ql_dbg(ql_dbg_async, vha, 0x502e, - "Busy.\n"); - else - ql_dbg(ql_dbg_async, vha, 0x502f, - "UNKNOWN flag error.\n"); + struct req_que *req = NULL; + int res = DID_ERROR << 16; + + ql_dbg(ql_dbg_async, vha, 0x502a, + "type of error status in response: 0x%x\n", pkt->entry_status); + + if (que >= ha->max_req_queues || !ha->req_q_map[que]) + goto fatal; + + req = ha->req_q_map[que]; + + if (pkt->entry_status & RF_BUSY) + res = DID_BUS_BUSY << 16; sp = qla2x00_get_sp_from_handle(vha, func, req, pkt); if (sp) { - if (qla2x00_free_sp_ctx(vha, sp)) { - if (pkt->entry_status & - (RF_INV_E_ORDER | RF_INV_E_COUNT | - RF_INV_E_PARAM | RF_INV_E_TYPE)) { - sp->cmd->result = DID_ERROR << 16; - } else if (pkt->entry_status & RF_BUSY) { - sp->cmd->result = DID_BUS_BUSY << 16; - } else { - sp->cmd->result = DID_ERROR << 16; - } - qla2x00_sp_compl(ha, sp); - } - } else if (pkt->entry_type == COMMAND_A64_TYPE || pkt->entry_type == - COMMAND_TYPE || pkt->entry_type == COMMAND_TYPE_7 - || pkt->entry_type == COMMAND_TYPE_6) { - ql_log(ql_log_warn, vha, 0x5030, - "Error entry - invalid handle.\n"); - - if (IS_QLA82XX(ha)) - set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); - else - set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); - qla2xxx_wake_dpc(vha); + sp->done(ha, sp, res); + return; } +fatal: + ql_log(ql_log_warn, vha, 0x5030, + "Error entry - invalid handle/queue.\n"); + + if (IS_QLA82XX(ha)) + set_bit(FCOE_CTX_RESET_NEEDED, &vha->dpc_flags); + else + set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + qla2xxx_wake_dpc(vha); } /** @@ -2090,7 +2001,6 @@ void qla24xx_process_response_queue(struct scsi_qla_host *vha, break; case CT_IOCB_TYPE: qla24xx_els_ct_entry(vha, rsp->req, pkt, CT_IOCB_TYPE); - clear_bit(MBX_INTERRUPT, &vha->hw->mbx_cmd_flags); break; case ELS_IOCB_TYPE: qla24xx_els_ct_entry(vha, rsp->req, pkt, ELS_IOCB_TYPE); @@ -2128,7 +2038,7 @@ qla2xxx_check_risc_status(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; struct device_reg_24xx __iomem *reg = &ha->iobase->isp24; - if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha)) + if (!IS_QLA25XX(ha) && !IS_QLA81XX(ha) && !IS_QLA83XX(ha)) return; rval = QLA_SUCCESS; @@ -2169,7 +2079,7 @@ done: } /** - * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP63xx. + * qla24xx_intr_handler() - Process interrupts for the ISP23xx and ISP24xx. * @irq: * @dev_id: SCSI driver HA context * @@ -2193,8 +2103,8 @@ qla24xx_intr_handler(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x5059, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } @@ -2277,8 +2187,8 @@ qla24xx_msix_rsp_q(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x505a, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; @@ -2307,8 +2217,8 @@ qla25xx_msix_rsp_q(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x505b, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; @@ -2341,8 +2251,8 @@ qla24xx_msix_default(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0x505c, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; @@ -2531,8 +2441,14 @@ msix_failed: } /* Enable MSI-X vector for response queue update for queue 0 */ - if (ha->mqiobase && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) - ha->mqenable = 1; + if (IS_QLA83XX(ha)) { + if (ha->msixbase && ha->mqiobase && + (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) + ha->mqenable = 1; + } else + if (ha->mqiobase + && (ha->max_rsp_queues > 1 || ha->max_req_queues > 1)) + ha->mqenable = 1; ql_dbg(ql_dbg_multiq, vha, 0xc005, "mqiobase=%p, max_rsp_queues=%d, max_req_queues=%d.\n", ha->mqiobase, ha->max_rsp_queues, ha->max_req_queues); @@ -2553,8 +2469,8 @@ qla2x00_request_irqs(struct qla_hw_data *ha, struct rsp_que *rsp) scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); /* If possible, enable MSI-X. */ - if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && - !IS_QLA8432(ha) && !IS_QLA8XXX_TYPE(ha)) + if (!IS_QLA2432(ha) && !IS_QLA2532(ha) && !IS_QLA8432(ha) && + !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha)) goto skip_msi; if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_HP && @@ -2616,7 +2532,7 @@ clear_risc_ints: * FIXME: Noted that 8014s were being dropped during NK testing. * Timing deltas during MSI-X/INTa transitions? */ - if (IS_QLA81XX(ha) || IS_QLA82XX(ha)) + if (IS_QLA81XX(ha) || IS_QLA82XX(ha) || IS_QLA83XX(ha)) goto fail; spin_lock_irq(&ha->hardware_lock); if (IS_FWI2_CAPABLE(ha)) { diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index 34344d3f865..b4a23394a7b 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -46,17 +46,17 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) struct qla_hw_data *ha = vha->hw; scsi_qla_host_t *base_vha = pci_get_drvdata(ha->pdev); - ql_dbg(ql_dbg_mbx, base_vha, 0x1000, "Entered %s.\n", __func__); + ql_dbg(ql_dbg_mbx, vha, 0x1000, "Entered %s.\n", __func__); if (ha->pdev->error_state > pci_channel_io_frozen) { - ql_log(ql_log_warn, base_vha, 0x1001, + ql_log(ql_log_warn, vha, 0x1001, "error_state is greater than pci_channel_io_frozen, " "exiting.\n"); return QLA_FUNCTION_TIMEOUT; } if (vha->device_flags & DFLG_DEV_FAILED) { - ql_log(ql_log_warn, base_vha, 0x1002, + ql_log(ql_log_warn, vha, 0x1002, "Device in failed state, exiting.\n"); return QLA_FUNCTION_TIMEOUT; } @@ -69,7 +69,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (ha->flags.pci_channel_io_perm_failure) { - ql_log(ql_log_warn, base_vha, 0x1003, + ql_log(ql_log_warn, vha, 0x1003, "Perm failure on EEH timeout MBX, exiting.\n"); return QLA_FUNCTION_TIMEOUT; } @@ -77,7 +77,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (ha->flags.isp82xx_fw_hung) { /* Setting Link-Down error */ mcp->mb[0] = MBS_LINK_DOWN_ERROR; - ql_log(ql_log_warn, base_vha, 0x1004, + ql_log(ql_log_warn, vha, 0x1004, "FW hung = %d.\n", ha->flags.isp82xx_fw_hung); return QLA_FUNCTION_TIMEOUT; } @@ -89,8 +89,9 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) */ if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) { /* Timeout occurred. Return error. */ - ql_log(ql_log_warn, base_vha, 0x1005, - "Cmd access timeout, Exiting.\n"); + ql_log(ql_log_warn, vha, 0x1005, + "Cmd access timeout, cmd=0x%x, Exiting.\n", + mcp->mb[0]); return QLA_FUNCTION_TIMEOUT; } @@ -98,7 +99,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) /* Save mailbox command for debug */ ha->mcp = mcp; - ql_dbg(ql_dbg_mbx, base_vha, 0x1006, + ql_dbg(ql_dbg_mbx, vha, 0x1006, "Prepare to issue mbox cmd=0x%x.\n", mcp->mb[0]); spin_lock_irqsave(&ha->hardware_lock, flags); @@ -127,28 +128,28 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) iptr++; } - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1111, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1111, "Loaded MBX registers (displayed in bytes) =.\n"); - ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1112, + ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1112, (uint8_t *)mcp->mb, 16); - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1113, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1113, ".\n"); - ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1114, + ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1114, ((uint8_t *)mcp->mb + 0x10), 16); - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1115, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1115, ".\n"); - ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1116, + ql_dump_buffer(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1116, ((uint8_t *)mcp->mb + 0x20), 8); - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1117, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1117, "I/O Address = %p.\n", optr); - ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x100e); + ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, vha, 0x100e); /* Issue set host interrupt command to send cmd out. */ ha->flags.mbox_int = 0; clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags); /* Unlock mbx registers and wait for interrupt */ - ql_dbg(ql_dbg_mbx, base_vha, 0x100f, + ql_dbg(ql_dbg_mbx, vha, 0x100f, "Going to unlock irq & waiting for interrupts. " "jiffies=%lx.\n", jiffies); @@ -163,7 +164,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_unlock_irqrestore(&ha->hardware_lock, flags); ha->flags.mbox_busy = 0; - ql_dbg(ql_dbg_mbx, base_vha, 0x1010, + ql_dbg(ql_dbg_mbx, vha, 0x1010, "Pending mailbox timeout, exiting.\n"); rval = QLA_FUNCTION_TIMEOUT; goto premature_exit; @@ -180,7 +181,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags); } else { - ql_dbg(ql_dbg_mbx, base_vha, 0x1011, + ql_dbg(ql_dbg_mbx, vha, 0x1011, "Cmd=%x Polling Mode.\n", command); if (IS_QLA82XX(ha)) { @@ -189,7 +190,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) spin_unlock_irqrestore(&ha->hardware_lock, flags); ha->flags.mbox_busy = 0; - ql_dbg(ql_dbg_mbx, base_vha, 0x1012, + ql_dbg(ql_dbg_mbx, vha, 0x1012, "Pending mailbox timeout, exiting.\n"); rval = QLA_FUNCTION_TIMEOUT; goto premature_exit; @@ -214,7 +215,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) command == MBC_LOAD_RISC_RAM_EXTENDED)) msleep(10); } /* while */ - ql_dbg(ql_dbg_mbx, base_vha, 0x1013, + ql_dbg(ql_dbg_mbx, vha, 0x1013, "Waited %d sec.\n", (uint)((jiffies - (wait_time - (mcp->tov * HZ)))/HZ)); } @@ -223,7 +224,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (ha->flags.mbox_int) { uint16_t *iptr2; - ql_dbg(ql_dbg_mbx, base_vha, 0x1014, + ql_dbg(ql_dbg_mbx, vha, 0x1014, "Cmd=%x completed.\n", command); /* Got interrupt. Clear the flag. */ @@ -236,7 +237,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) mcp->mb[0] = MBS_LINK_DOWN_ERROR; ha->mcp = NULL; rval = QLA_FUNCTION_FAILED; - ql_log(ql_log_warn, base_vha, 0x1015, + ql_log(ql_log_warn, vha, 0x1015, "FW hung = %d.\n", ha->flags.isp82xx_fw_hung); goto premature_exit; } @@ -268,13 +269,19 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) mb0 = RD_MAILBOX_REG(ha, ®->isp, 0); ictrl = RD_REG_WORD(®->isp.ictrl); } - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1119, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1119, "MBX Command timeout for cmd %x.\n", command); - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x111a, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111a, "iocontrol=%x jiffies=%lx.\n", ictrl, jiffies); - ql_dbg(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x111b, + ql_dbg(ql_dbg_mbx + ql_dbg_buffer, vha, 0x111b, "mb[0] = 0x%x.\n", mb0); - ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, base_vha, 0x1019); + ql_dump_regs(ql_dbg_mbx + ql_dbg_buffer, vha, 0x1019); + + /* + * Attempt to capture a firmware dump for further analysis + * of the current firmware state + */ + ha->isp_ops->fw_dump(vha, 0); rval = QLA_FUNCTION_TIMEOUT; } @@ -285,7 +292,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) ha->mcp = NULL; if ((abort_active || !io_lock_on) && !IS_NOPOLLING_TYPE(ha)) { - ql_dbg(ql_dbg_mbx, base_vha, 0x101a, + ql_dbg(ql_dbg_mbx, vha, 0x101a, "Checking for additional resp interrupt.\n"); /* polling mode for non isp_abort commands. */ @@ -297,7 +304,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) if (!io_lock_on || (mcp->flags & IOCTL_CMD) || ha->flags.eeh_busy) { /* not in dpc. schedule it for dpc to take over. */ - ql_dbg(ql_dbg_mbx, base_vha, 0x101b, + ql_dbg(ql_dbg_mbx, vha, 0x101b, "Timeout, schedule isp_abort_needed.\n"); if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && @@ -313,15 +320,16 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) CRB_NIU_XG_PAUSE_CTL_P1); } ql_log(ql_log_info, base_vha, 0x101c, - "Mailbox cmd timeout occured. " - "Scheduling ISP abort eeh_busy=0x%x.\n", - ha->flags.eeh_busy); + "Mailbox cmd timeout occured, cmd=0x%x, " + "mb[0]=0x%x, eeh_busy=0x%x. Scheduling ISP " + "abort.\n", command, mcp->mb[0], + ha->flags.eeh_busy); set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); qla2xxx_wake_dpc(vha); } } else if (!abort_active) { /* call abort directly since we are in the DPC thread */ - ql_dbg(ql_dbg_mbx, base_vha, 0x101d, + ql_dbg(ql_dbg_mbx, vha, 0x101d, "Timeout, calling abort_isp.\n"); if (!test_bit(ISP_ABORT_NEEDED, &vha->dpc_flags) && @@ -337,19 +345,22 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) CRB_NIU_XG_PAUSE_CTL_P1); } ql_log(ql_log_info, base_vha, 0x101e, - "Mailbox cmd timeout occured. " - "Scheduling ISP abort.\n"); - + "Mailbox cmd timeout occured, cmd=0x%x, " + "mb[0]=0x%x. Scheduling ISP abort ", + command, mcp->mb[0]); set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); + /* Allow next mbx cmd to come in. */ + complete(&ha->mbx_cmd_comp); if (ha->isp_ops->abort_isp(vha)) { /* Failed. retry later. */ set_bit(ISP_ABORT_NEEDED, &vha->dpc_flags); } clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags); - ql_dbg(ql_dbg_mbx, base_vha, 0x101f, + ql_dbg(ql_dbg_mbx, vha, 0x101f, "Finished abort_isp.\n"); + goto mbx_done; } } } @@ -358,10 +369,11 @@ premature_exit: /* Allow next mbx cmd to come in. */ complete(&ha->mbx_cmd_comp); +mbx_done: if (rval) { ql_dbg(ql_dbg_mbx, base_vha, 0x1020, - "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, cmd=%x ****.\n", - mcp->mb[0], mcp->mb[1], mcp->mb[2], command); + "**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x, cmd=%x ****.\n", + mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3], command); } else { ql_dbg(ql_dbg_mbx, base_vha, 0x1021, "Done %s.\n", __func__); } @@ -451,7 +463,7 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) mcp->mb[1] = MSW(risc_addr); mcp->mb[2] = LSW(risc_addr); mcp->mb[3] = 0; - if (IS_QLA81XX(ha)) { + if (IS_QLA81XX(ha) || IS_QLA83XX(ha)) { struct nvram_81xx *nv = ha->nvram; mcp->mb[4] = (nv->enhanced_features & EXTENDED_BB_CREDITS); @@ -504,21 +516,22 @@ qla2x00_execute_fw(scsi_qla_host_t *vha, uint32_t risc_addr) * Kernel context. */ int -qla2x00_get_fw_version(scsi_qla_host_t *vha, uint16_t *major, uint16_t *minor, - uint16_t *subminor, uint16_t *attributes, uint32_t *memory, uint8_t *mpi, - uint32_t *mpi_caps, uint8_t *phy) +qla2x00_get_fw_version(scsi_qla_host_t *vha) { int rval; mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; + struct qla_hw_data *ha = vha->hw; ql_dbg(ql_dbg_mbx, vha, 0x1029, "Entered %s.\n", __func__); mcp->mb[0] = MBC_GET_FIRMWARE_VERSION; mcp->out_mb = MBX_0; mcp->in_mb = MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; - if (IS_QLA81XX(vha->hw)) + if (IS_QLA81XX(vha->hw) || IS_QLA8031(ha)) mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10|MBX_9|MBX_8; + if (IS_QLA83XX(vha->hw)) + mcp->in_mb |= MBX_17|MBX_16|MBX_15; mcp->flags = 0; mcp->tov = MBX_TOV_SECONDS; rval = qla2x00_mailbox_command(vha, mcp); @@ -526,23 +539,37 @@ qla2x00_get_fw_version(scsi_qla_host_t *vha, uint16_t *major, uint16_t *minor, goto failed; /* Return mailbox data. */ - *major = mcp->mb[1]; - *minor = mcp->mb[2]; - *subminor = mcp->mb[3]; - *attributes = mcp->mb[6]; + ha->fw_major_version = mcp->mb[1]; + ha->fw_minor_version = mcp->mb[2]; + ha->fw_subminor_version = mcp->mb[3]; + ha->fw_attributes = mcp->mb[6]; if (IS_QLA2100(vha->hw) || IS_QLA2200(vha->hw)) - *memory = 0x1FFFF; /* Defaults to 128KB. */ + ha->fw_memory_size = 0x1FFFF; /* Defaults to 128KB. */ else - *memory = (mcp->mb[5] << 16) | mcp->mb[4]; - if (IS_QLA81XX(vha->hw)) { - mpi[0] = mcp->mb[10] & 0xff; - mpi[1] = mcp->mb[11] >> 8; - mpi[2] = mcp->mb[11] & 0xff; - *mpi_caps = (mcp->mb[12] << 16) | mcp->mb[13]; - phy[0] = mcp->mb[8] & 0xff; - phy[1] = mcp->mb[9] >> 8; - phy[2] = mcp->mb[9] & 0xff; + ha->fw_memory_size = (mcp->mb[5] << 16) | mcp->mb[4]; + if (IS_QLA81XX(vha->hw) || IS_QLA8031(vha->hw)) { + ha->mpi_version[0] = mcp->mb[10] & 0xff; + ha->mpi_version[1] = mcp->mb[11] >> 8; + ha->mpi_version[2] = mcp->mb[11] & 0xff; + ha->mpi_capabilities = (mcp->mb[12] << 16) | mcp->mb[13]; + ha->phy_version[0] = mcp->mb[8] & 0xff; + ha->phy_version[1] = mcp->mb[9] >> 8; + ha->phy_version[2] = mcp->mb[9] & 0xff; + } + if (IS_QLA83XX(ha)) { + if (mcp->mb[6] & BIT_15) { + ha->fw_attributes_h = mcp->mb[15]; + ha->fw_attributes_ext[0] = mcp->mb[16]; + ha->fw_attributes_ext[1] = mcp->mb[17]; + ql_dbg(ql_dbg_mbx, vha, 0x1139, + "%s: FW_attributes Upper: 0x%x, Lower: 0x%x.\n", + __func__, mcp->mb[15], mcp->mb[6]); + } else + ql_dbg(ql_dbg_mbx, vha, 0x112f, + "%s: FwAttributes [Upper] invalid, MB6:%04x\n", + __func__, mcp->mb[6]); } + failed: if (rval != QLA_SUCCESS) { /*EMPTY*/ @@ -855,6 +882,7 @@ qla2x00_abort_command(srb_t *sp) scsi_qla_host_t *vha = fcport->vha; struct qla_hw_data *ha = vha->hw; struct req_que *req = vha->req; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); ql_dbg(ql_dbg_mbx, vha, 0x103b, "Entered %s.\n", __func__); @@ -877,7 +905,7 @@ qla2x00_abort_command(srb_t *sp) mcp->mb[1] = fcport->loop_id << 8; mcp->mb[2] = (uint16_t)handle; mcp->mb[3] = (uint16_t)(handle >> 16); - mcp->mb[6] = (uint16_t)sp->cmd->device->lun; + mcp->mb[6] = (uint16_t)cmd->device->lun; mcp->out_mb = MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; mcp->in_mb = MBX_0; mcp->tov = MBX_TOV_SECONDS; @@ -1024,7 +1052,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa, mcp->mb[9] = vha->vp_idx; mcp->out_mb = MBX_9|MBX_0; mcp->in_mb = MBX_9|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; - if (IS_QLA8XXX_TYPE(vha->hw)) + if (IS_CNA_CAPABLE(vha->hw)) mcp->in_mb |= MBX_13|MBX_12|MBX_11|MBX_10; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; @@ -1048,7 +1076,7 @@ qla2x00_get_adapter_id(scsi_qla_host_t *vha, uint16_t *id, uint8_t *al_pa, } else { ql_dbg(ql_dbg_mbx, vha, 0x1048, "Done %s.\n", __func__); - if (IS_QLA8XXX_TYPE(vha->hw)) { + if (IS_CNA_CAPABLE(vha->hw)) { vha->fcoe_vlan_id = mcp->mb[9] & 0xfff; vha->fcoe_fcf_idx = mcp->mb[10]; vha->fcoe_vn_port_mac[5] = mcp->mb[11] >> 8; @@ -1159,7 +1187,7 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size) mcp->mb[6] = MSW(MSD(ha->init_cb_dma)); mcp->mb[7] = LSW(MSD(ha->init_cb_dma)); mcp->out_mb = MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; - if (IS_QLA81XX(ha) && ha->ex_init_cb->ex_version) { + if ((IS_QLA81XX(ha) || IS_QLA83XX(ha)) && ha->ex_init_cb->ex_version) { mcp->mb[1] = BIT_0; mcp->mb[10] = MSW(ha->ex_init_cb_dma); mcp->mb[11] = LSW(ha->ex_init_cb_dma); @@ -1168,7 +1196,11 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size) mcp->mb[14] = sizeof(*ha->ex_init_cb); mcp->out_mb |= MBX_14|MBX_13|MBX_12|MBX_11|MBX_10; } - mcp->in_mb = MBX_0; + /* 1 and 2 should normally be captured. */ + mcp->in_mb = MBX_2|MBX_1|MBX_0; + if (IS_QLA83XX(ha)) + /* mb3 is additional info about the installed SFP. */ + mcp->in_mb |= MBX_3; mcp->buf_size = size; mcp->flags = MBX_DMA_OUT; mcp->tov = MBX_TOV_SECONDS; @@ -1177,7 +1209,8 @@ qla2x00_init_firmware(scsi_qla_host_t *vha, uint16_t size) if (rval != QLA_SUCCESS) { /*EMPTY*/ ql_dbg(ql_dbg_mbx, vha, 0x104d, - "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + "Failed=%x mb[0]=%x, mb[1]=%x, mb[2]=%x, mb[3]=%x,.\n", + rval, mcp->mb[0], mcp->mb[1], mcp->mb[2], mcp->mb[3]); } else { /*EMPTY*/ ql_dbg(ql_dbg_mbx, vha, 0x104e, "Done %s.\n", __func__); @@ -1256,6 +1289,7 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt) goto gpd_error_out; if (IS_FWI2_CAPABLE(ha)) { + uint64_t zero = 0; pd24 = (struct port_database_24xx *) pd; /* Check for logged in state. */ @@ -1269,6 +1303,14 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt) goto gpd_error_out; } + if (fcport->loop_id == FC_NO_LOOP_ID || + (memcmp(fcport->port_name, (uint8_t *)&zero, 8) && + memcmp(fcport->port_name, pd24->port_name, 8))) { + /* We lost the device mid way. */ + rval = QLA_NOT_LOGGED_IN; + goto gpd_error_out; + } + /* Names are little-endian. */ memcpy(fcport->node_name, pd24->node_name, WWN_SIZE); memcpy(fcport->port_name, pd24->port_name, WWN_SIZE); @@ -1285,6 +1327,8 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt) else fcport->port_type = FCT_TARGET; } else { + uint64_t zero = 0; + /* Check for logged in state. */ if (pd->master_state != PD_STATE_PORT_LOGGED_IN && pd->slave_state != PD_STATE_PORT_LOGGED_IN) { @@ -1297,6 +1341,14 @@ qla2x00_get_port_database(scsi_qla_host_t *vha, fc_port_t *fcport, uint8_t opt) goto gpd_error_out; } + if (fcport->loop_id == FC_NO_LOOP_ID || + (memcmp(fcport->port_name, (uint8_t *)&zero, 8) && + memcmp(fcport->port_name, pd->port_name, 8))) { + /* We lost the device mid way. */ + rval = QLA_NOT_LOGGED_IN; + goto gpd_error_out; + } + /* Names are little-endian. */ memcpy(fcport->node_name, pd->node_name, WWN_SIZE); memcpy(fcport->port_name, pd->port_name, WWN_SIZE); @@ -1477,7 +1529,7 @@ qla2x00_lip_reset(scsi_qla_host_t *vha) ql_dbg(ql_dbg_mbx, vha, 0x105a, "Entered %s.\n", __func__); - if (IS_QLA8XXX_TYPE(vha->hw)) { + if (IS_CNA_CAPABLE(vha->hw)) { /* Logout across all FCFs. */ mcp->mb[0] = MBC_LIP_FULL_LOGIN; mcp->mb[1] = BIT_1; @@ -1618,7 +1670,8 @@ qla24xx_login_fabric(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain, lg->port_id[1] = area; lg->port_id[2] = domain; lg->vp_index = vha->vp_idx; - rval = qla2x00_issue_iocb(vha, lg, lg_dma, 0); + rval = qla2x00_issue_iocb_timeout(vha, lg, lg_dma, 0, + (ha->r_a_tov / 10 * 2) + 2); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_mbx, vha, 0x1063, "Failed to issue login IOCB (%x).\n", rval); @@ -1881,8 +1934,8 @@ qla24xx_fabric_logout(scsi_qla_host_t *vha, uint16_t loop_id, uint8_t domain, lg->port_id[1] = area; lg->port_id[2] = domain; lg->vp_index = vha->vp_idx; - - rval = qla2x00_issue_iocb(vha, lg, lg_dma, 0); + rval = qla2x00_issue_iocb_timeout(vha, lg, lg_dma, 0, + (ha->r_a_tov / 10 * 2) + 2); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_mbx, vha, 0x106f, "Failed to issue logout IOCB (%x).\n", rval); @@ -2090,7 +2143,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt, mcp->mb[0] = MBC_GET_RESOURCE_COUNTS; mcp->out_mb = MBX_0; mcp->in_mb = MBX_11|MBX_10|MBX_7|MBX_6|MBX_3|MBX_2|MBX_1|MBX_0; - if (IS_QLA81XX(vha->hw)) + if (IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) mcp->in_mb |= MBX_12; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; @@ -2117,7 +2170,7 @@ qla2x00_get_resource_cnts(scsi_qla_host_t *vha, uint16_t *cur_xchg_cnt, *orig_iocb_cnt = mcp->mb[10]; if (vha->hw->flags.npiv_supported && max_npiv_vports) *max_npiv_vports = mcp->mb[11]; - if (IS_QLA81XX(vha->hw) && max_fcfs) + if ((IS_QLA81XX(vha->hw) || IS_QLA83XX(vha->hw)) && max_fcfs) *max_fcfs = mcp->mb[12]; } @@ -2581,7 +2634,8 @@ qla2x00_stop_firmware(scsi_qla_host_t *vha) ql_dbg(ql_dbg_mbx, vha, 0x10a1, "Entered %s.\n", __func__); mcp->mb[0] = MBC_STOP_FIRMWARE; - mcp->out_mb = MBX_0; + mcp->mb[1] = 0; + mcp->out_mb = MBX_1|MBX_0; mcp->in_mb = MBX_0; mcp->tov = 5; mcp->flags = 0; @@ -2681,7 +2735,8 @@ qla2x00_enable_fce_trace(scsi_qla_host_t *vha, dma_addr_t fce_dma, ql_dbg(ql_dbg_mbx, vha, 0x10aa, "Entered %s.\n", __func__); - if (!IS_QLA25XX(vha->hw) && !IS_QLA81XX(vha->hw)) + if (!IS_QLA25XX(vha->hw) && !IS_QLA81XX(vha->hw) && + !IS_QLA83XX(vha->hw)) return QLA_FUNCTION_FAILED; if (unlikely(pci_channel_offline(vha->hw->pdev))) @@ -2823,7 +2878,7 @@ qla2x00_set_idma_speed(scsi_qla_host_t *vha, uint16_t loop_id, mcp->mb[0] = MBC_PORT_PARAMS; mcp->mb[1] = loop_id; mcp->mb[2] = BIT_0; - if (IS_QLA8XXX_TYPE(vha->hw)) + if (IS_CNA_CAPABLE(vha->hw)) mcp->mb[3] = port_speed & (BIT_5|BIT_4|BIT_3|BIT_2|BIT_1|BIT_0); else mcp->mb[3] = port_speed & (BIT_2|BIT_1|BIT_0); @@ -3293,6 +3348,8 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req) mcp->mb[12] = req->qos; mcp->mb[11] = req->vp_idx; mcp->mb[13] = req->rid; + if (IS_QLA83XX(ha)) + mcp->mb[15] = 0; reg = (struct device_reg_25xxmq *)((void *)(ha->mqiobase) + QLA_QUE_PAGE * req->id); @@ -3306,12 +3363,21 @@ qla25xx_init_req_que(struct scsi_qla_host *vha, struct req_que *req) MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; mcp->in_mb = MBX_0; mcp->flags = MBX_DMA_OUT; - mcp->tov = 60; + mcp->tov = MBX_TOV_SECONDS * 2; + + if (IS_QLA81XX(ha) || IS_QLA83XX(ha)) + mcp->in_mb |= MBX_1; + if (IS_QLA83XX(ha)) { + mcp->out_mb |= MBX_15; + /* debug q create issue in SR-IOV */ + mcp->in_mb |= MBX_9 | MBX_8 | MBX_7; + } spin_lock_irqsave(&ha->hardware_lock, flags); if (!(req->options & BIT_0)) { WRT_REG_DWORD(®->req_q_in, 0); - WRT_REG_DWORD(®->req_q_out, 0); + if (!IS_QLA83XX(ha)) + WRT_REG_DWORD(®->req_q_out, 0); } req->req_q_in = ®->req_q_in; req->req_q_out = ®->req_q_out; @@ -3349,6 +3415,8 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) mcp->mb[5] = rsp->length; mcp->mb[14] = rsp->msix->entry; mcp->mb[13] = rsp->rid; + if (IS_QLA83XX(ha)) + mcp->mb[15] = 0; reg = (struct device_reg_25xxmq *)((void *)(ha->mqiobase) + QLA_QUE_PAGE * rsp->id); @@ -3362,12 +3430,23 @@ qla25xx_init_rsp_que(struct scsi_qla_host *vha, struct rsp_que *rsp) |MBX_6|MBX_5|MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; mcp->in_mb = MBX_0; mcp->flags = MBX_DMA_OUT; - mcp->tov = 60; + mcp->tov = MBX_TOV_SECONDS * 2; + + if (IS_QLA81XX(ha)) { + mcp->out_mb |= MBX_12|MBX_11|MBX_10; + mcp->in_mb |= MBX_1; + } else if (IS_QLA83XX(ha)) { + mcp->out_mb |= MBX_15|MBX_12|MBX_11|MBX_10; + mcp->in_mb |= MBX_1; + /* debug q create issue in SR-IOV */ + mcp->in_mb |= MBX_9 | MBX_8 | MBX_7; + } spin_lock_irqsave(&ha->hardware_lock, flags); if (!(rsp->options & BIT_0)) { WRT_REG_DWORD(®->rsp_q_out, 0); - WRT_REG_DWORD(®->rsp_q_in, 0); + if (!IS_QLA83XX(ha)) + WRT_REG_DWORD(®->rsp_q_in, 0); } spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -3419,7 +3498,7 @@ qla81xx_fac_get_sector_size(scsi_qla_host_t *vha, uint32_t *sector_size) ql_dbg(ql_dbg_mbx, vha, 0x10dc, "Entered %s.\n", __func__); - if (!IS_QLA81XX(vha->hw)) + if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw)) return QLA_FUNCTION_FAILED; mcp->mb[0] = MBC_FLASH_ACCESS_CTRL; @@ -3449,7 +3528,7 @@ qla81xx_fac_do_write_enable(scsi_qla_host_t *vha, int enable) mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - if (!IS_QLA81XX(vha->hw)) + if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw)) return QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_mbx, vha, 0x10df, "Entered %s.\n", __func__); @@ -3481,7 +3560,7 @@ qla81xx_fac_erase_sector(scsi_qla_host_t *vha, uint32_t start, uint32_t finish) mbx_cmd_t mc; mbx_cmd_t *mcp = &mc; - if (!IS_QLA81XX(vha->hw)) + if (!IS_QLA81XX(vha->hw) && !IS_QLA83XX(vha->hw)) return QLA_FUNCTION_FAILED; ql_dbg(ql_dbg_mbx, vha, 0x10e2, "Entered %s.\n", __func__); @@ -3636,7 +3715,7 @@ qla2x00_get_xgmac_stats(scsi_qla_host_t *vha, dma_addr_t stats_dma, ql_dbg(ql_dbg_mbx, vha, 0x10ee, "Entered %s.\n", __func__); - if (!IS_QLA8XXX_TYPE(vha->hw)) + if (!IS_CNA_CAPABLE(vha->hw)) return QLA_FUNCTION_FAILED; mcp->mb[0] = MBC_GET_XGMAC_STATS; @@ -3675,7 +3754,7 @@ qla2x00_get_dcbx_params(scsi_qla_host_t *vha, dma_addr_t tlv_dma, ql_dbg(ql_dbg_mbx, vha, 0x10f1, "Entered %s.\n", __func__); - if (!IS_QLA8XXX_TYPE(vha->hw)) + if (!IS_CNA_CAPABLE(vha->hw)) return QLA_FUNCTION_FAILED; mcp->mb[0] = MBC_GET_DCBX_PARAMS; @@ -3770,7 +3849,7 @@ qla2x00_loopback_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, mcp->out_mb = MBX_21|MBX_20|MBX_19|MBX_18|MBX_17|MBX_16|MBX_15| MBX_14|MBX_13|MBX_12|MBX_11|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0; - if (IS_QLA8XXX_TYPE(vha->hw)) + if (IS_CNA_CAPABLE(vha->hw)) mcp->out_mb |= MBX_2; mcp->in_mb = MBX_19|MBX_18|MBX_3|MBX_2|MBX_1|MBX_0; @@ -3808,7 +3887,7 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, memset(mcp->mb, 0 , sizeof(mcp->mb)); mcp->mb[0] = MBC_DIAGNOSTIC_ECHO; mcp->mb[1] = mreq->options | BIT_6; /* BIT_6 specifies 64bit address */ - if (IS_QLA8XXX_TYPE(ha)) { + if (IS_CNA_CAPABLE(ha)) { mcp->mb[1] |= BIT_15; mcp->mb[2] = vha->fcoe_fcf_idx; } @@ -3826,13 +3905,14 @@ qla2x00_echo_test(scsi_qla_host_t *vha, struct msg_echo_lb *mreq, mcp->out_mb = MBX_21|MBX_20|MBX_17|MBX_16|MBX_15| MBX_14|MBX_10|MBX_7|MBX_6|MBX_1|MBX_0; - if (IS_QLA8XXX_TYPE(ha)) + if (IS_CNA_CAPABLE(ha)) mcp->out_mb |= MBX_2; mcp->in_mb = MBX_0; - if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || IS_QLA8XXX_TYPE(ha)) + if (IS_QLA24XX_TYPE(ha) || IS_QLA25XX(ha) || + IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) mcp->in_mb |= MBX_1; - if (IS_QLA8XXX_TYPE(ha)) + if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) mcp->in_mb |= MBX_3; mcp->tov = MBX_TOV_SECONDS; @@ -3971,6 +4051,7 @@ qla81xx_write_mpi_register(scsi_qla_host_t *vha, uint16_t *mb) return rval; } + int qla2x00_get_data_rate(scsi_qla_host_t *vha) { @@ -3988,6 +4069,8 @@ qla2x00_get_data_rate(scsi_qla_host_t *vha) mcp->mb[1] = 0; mcp->out_mb = MBX_1|MBX_0; mcp->in_mb = MBX_2|MBX_1|MBX_0; + if (IS_QLA83XX(ha)) + mcp->in_mb |= MBX_3; mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; rval = qla2x00_mailbox_command(vha, mcp); @@ -4013,7 +4096,7 @@ qla81xx_get_port_config(scsi_qla_host_t *vha, uint16_t *mb) ql_dbg(ql_dbg_mbx, vha, 0x1109, "Entered %s.\n", __func__); - if (!IS_QLA81XX(ha)) + if (!IS_QLA81XX(ha) && !IS_QLA83XX(ha)) return QLA_FUNCTION_FAILED; mcp->mb[0] = MBC_GET_PORT_CONFIG; mcp->out_mb = MBX_0; @@ -4294,6 +4377,90 @@ qla82xx_md_get_template(scsi_qla_host_t *vha) } int +qla81xx_set_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_QLA81XX(ha) && !IS_QLA8031(ha)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x1133, "Entered %s.\n", __func__); + + memset(mcp, 0, sizeof(mbx_cmd_t)); + mcp->mb[0] = MBC_SET_LED_CONFIG; + mcp->mb[1] = led_cfg[0]; + mcp->mb[2] = led_cfg[1]; + if (IS_QLA8031(ha)) { + mcp->mb[3] = led_cfg[2]; + mcp->mb[4] = led_cfg[3]; + mcp->mb[5] = led_cfg[4]; + mcp->mb[6] = led_cfg[5]; + } + + mcp->out_mb = MBX_2|MBX_1|MBX_0; + if (IS_QLA8031(ha)) + mcp->out_mb |= MBX_6|MBX_5|MBX_4|MBX_3; + mcp->in_mb = MBX_0; + mcp->tov = 30; + mcp->flags = 0; + + rval = qla2x00_mailbox_command(vha, mcp); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1134, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + ql_dbg(ql_dbg_mbx, vha, 0x1135, "Done %s.\n", __func__); + } + + return rval; +} + +int +qla81xx_get_led_config(scsi_qla_host_t *vha, uint16_t *led_cfg) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_QLA81XX(ha) && !IS_QLA8031(ha)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x1136, "Entered %s.\n", __func__); + + memset(mcp, 0, sizeof(mbx_cmd_t)); + mcp->mb[0] = MBC_GET_LED_CONFIG; + + mcp->out_mb = MBX_0; + mcp->in_mb = MBX_2|MBX_1|MBX_0; + if (IS_QLA8031(ha)) + mcp->in_mb |= MBX_6|MBX_5|MBX_4|MBX_3; + mcp->tov = 30; + mcp->flags = 0; + + rval = qla2x00_mailbox_command(vha, mcp); + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1137, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + led_cfg[0] = mcp->mb[1]; + led_cfg[1] = mcp->mb[2]; + if (IS_QLA8031(ha)) { + led_cfg[2] = mcp->mb[3]; + led_cfg[3] = mcp->mb[4]; + led_cfg[4] = mcp->mb[5]; + led_cfg[5] = mcp->mb[6]; + } + ql_dbg(ql_dbg_mbx, vha, 0x1138, "Done %s.\n", __func__); + } + + return rval; +} + +int qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable) { int rval; @@ -4316,7 +4483,7 @@ qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable) mcp->out_mb = MBX_7|MBX_0; mcp->in_mb = MBX_0; - mcp->tov = 30; + mcp->tov = MBX_TOV_SECONDS; mcp->flags = 0; rval = qla2x00_mailbox_command(vha, mcp); @@ -4330,3 +4497,75 @@ qla82xx_mbx_beacon_ctl(scsi_qla_host_t *vha, int enable) return rval; } + +int +qla83xx_write_remote_reg(scsi_qla_host_t *vha, uint32_t reg, uint32_t data) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (!IS_QLA83XX(ha)) + return QLA_FUNCTION_FAILED; + + ql_dbg(ql_dbg_mbx, vha, 0x1130, "Entered %s.\n", __func__); + + mcp->mb[0] = MBC_WRITE_REMOTE_REG; + mcp->mb[1] = LSW(reg); + mcp->mb[2] = MSW(reg); + mcp->mb[3] = LSW(data); + mcp->mb[4] = MSW(data); + mcp->out_mb = MBX_4|MBX_3|MBX_2|MBX_1|MBX_0; + + mcp->in_mb = MBX_1|MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + + if (rval != QLA_SUCCESS) { + ql_dbg(ql_dbg_mbx, vha, 0x1131, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + } else { + ql_dbg(ql_dbg_mbx, vha, 0x1132, + "Done %s.\n", __func__); + } + + return rval; +} + +int +qla2x00_port_logout(scsi_qla_host_t *vha, struct fc_port *fcport) +{ + int rval; + struct qla_hw_data *ha = vha->hw; + mbx_cmd_t mc; + mbx_cmd_t *mcp = &mc; + + if (IS_QLA2100(ha) || IS_QLA2200(ha)) { + ql_dbg(ql_dbg_mbx, vha, 0x113b, + "Implicit LOGO Unsupported.\n"); + return QLA_FUNCTION_FAILED; + } + + + ql_dbg(ql_dbg_mbx, vha, 0x113c, "Done %s.\n", __func__); + + /* Perform Implicit LOGO. */ + mcp->mb[0] = MBC_PORT_LOGOUT; + mcp->mb[1] = fcport->loop_id; + mcp->mb[10] = BIT_15; + mcp->out_mb = MBX_10|MBX_1|MBX_0; + mcp->in_mb = MBX_0; + mcp->tov = MBX_TOV_SECONDS; + mcp->flags = 0; + rval = qla2x00_mailbox_command(vha, mcp); + if (rval != QLA_SUCCESS) + ql_dbg(ql_dbg_mbx, vha, 0x113d, + "Failed=%x mb[0]=%x.\n", rval, mcp->mb[0]); + else + ql_dbg(ql_dbg_mbx, vha, 0x113e, "Done %s.\n", __func__); + + return rval; +} + diff --git a/drivers/scsi/qla2xxx/qla_mid.c b/drivers/scsi/qla2xxx/qla_mid.c index f488cc69fc7..aa062a1b0ca 100644 --- a/drivers/scsi/qla2xxx/qla_mid.c +++ b/drivers/scsi/qla2xxx/qla_mid.c @@ -479,7 +479,7 @@ qla24xx_create_vhost(struct fc_vport *fc_vport) host->max_channel = MAX_BUSES - 1; host->max_lun = ql2xmaxlun; host->unique_id = host->host_no; - host->max_id = MAX_TARGETS_2200; + host->max_id = ha->max_fibre_devices; host->transportt = qla2xxx_transport_vport_template; ql_dbg(ql_dbg_vport, vha, 0xa007, diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index 1cd46cd7ff9..f0528539bbb 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -908,27 +908,37 @@ qla82xx_wait_rom_done(struct qla_hw_data *ha) return 0; } +int +qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) +{ + uint32_t off_value, rval = 0; + + WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase), + (off & 0xFFFF0000)); + + /* Read back value to make sure write has gone through */ + RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); + off_value = (off & 0x0000FFFF); + + if (flag) + WRT_REG_DWORD((void *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), + data); + else + rval = RD_REG_DWORD((void *) + (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); + + return rval; +} + static int qla82xx_do_rom_fast_read(struct qla_hw_data *ha, int addr, int *valp) { - scsi_qla_host_t *vha = pci_get_drvdata(ha->pdev); + /* Dword reads to flash. */ + qla82xx_md_rw_32(ha, MD_DIRECT_ROM_WINDOW, (addr & 0xFFFF0000), 1); + *valp = qla82xx_md_rw_32(ha, MD_DIRECT_ROM_READ_BASE + + (addr & 0x0000FFFF), 0, 0); - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ADDRESS, addr); - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 3); - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_INSTR_OPCODE, 0xb); - qla82xx_wait_rom_busy(ha); - if (qla82xx_wait_rom_done(ha)) { - ql_log(ql_log_fatal, vha, 0x00ba, - "Error waiting for rom done.\n"); - return -1; - } - /* Reset abyte_cnt and dummy_byte_cnt */ - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_DUMMY_BYTE_CNT, 0); - udelay(10); - cond_resched(); - qla82xx_wr_32(ha, QLA82XX_ROMUSB_ROM_ABYTE_CNT, 0); - *valp = qla82xx_rd_32(ha, QLA82XX_ROMUSB_ROM_RDATA); return 0; } @@ -1165,19 +1175,6 @@ qla82xx_pinit_from_rom(scsi_qla_host_t *vha) qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xfeffffff); else qla82xx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); - - /* reset ms */ - val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); - val |= (1 << 1); - qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); - msleep(20); - - /* unreset ms */ - val = qla82xx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); - val &= ~(1 << 1); - qla82xx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); - msleep(20); - qla82xx_rom_unlock(ha); /* Read the signature value from the flash. @@ -2053,8 +2050,8 @@ qla82xx_intr_handler(int irq, void *dev_id) rsp = (struct rsp_que *) dev_id; if (!rsp) { - printk(KERN_INFO - "%s(): NULL response queue pointer.\n", __func__); + ql_log(ql_log_info, NULL, 0xb054, + "%s: NULL response queue pointer.\n", __func__); return IRQ_NONE; } ha = rsp->hw; @@ -3149,12 +3146,7 @@ qla82xx_check_md_needed(scsi_qla_host_t *vha) fw_minor_version = ha->fw_minor_version; fw_subminor_version = ha->fw_subminor_version; - rval = qla2x00_get_fw_version(vha, &ha->fw_major_version, - &ha->fw_minor_version, &ha->fw_subminor_version, - &ha->fw_attributes, &ha->fw_memory_size, - ha->mpi_version, &ha->mpi_capabilities, - ha->phy_version); - + rval = qla2x00_get_fw_version(vha); if (rval != QLA_SUCCESS) return rval; @@ -3163,7 +3155,6 @@ qla82xx_check_md_needed(scsi_qla_host_t *vha) if (fw_major_version != ha->fw_major_version || fw_minor_version != ha->fw_minor_version || fw_subminor_version != ha->fw_subminor_version) { - ql_log(ql_log_info, vha, 0xb02d, "Firmware version differs " "Previous version: %d:%d:%d - " @@ -3392,7 +3383,7 @@ void qla82xx_watchdog(scsi_qla_host_t *vha) QLA82XX_CRB_PEG_NET_3 + 0x3c), qla82xx_rd_32(ha, QLA82XX_CRB_PEG_NET_4 + 0x3c)); - if (LSW(MSB(halt_status)) == 0x67) + if (((halt_status & 0x1fffff00) >> 8) == 0x67) ql_log(ql_log_warn, vha, 0xb052, "Firmware aborted with " "error code 0x00006700. Device is " @@ -3627,7 +3618,7 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) for (cnt = 1; cnt < MAX_OUTSTANDING_COMMANDS; cnt++) { sp = req->outstanding_cmds[cnt]; if (sp) { - if (!sp->ctx || + if (!sp->u.scmd.ctx || (sp->flags & SRB_FCP_CMND_DMA_VALID)) { spin_unlock_irqrestore( &ha->hardware_lock, flags); @@ -3658,29 +3649,6 @@ qla82xx_chip_reset_cleanup(scsi_qla_host_t *vha) } /* Minidump related functions */ -int -qla82xx_md_rw_32(struct qla_hw_data *ha, uint32_t off, u32 data, uint8_t flag) -{ - uint32_t off_value, rval = 0; - - WRT_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase), - (off & 0xFFFF0000)); - - /* Read back value to make sure write has gone through */ - RD_REG_DWORD((void *)(CRB_WINDOW_2M + ha->nx_pcibase)); - off_value = (off & 0x0000FFFF); - - if (flag) - WRT_REG_DWORD((void *) - (off_value + CRB_INDIRECT_2M + ha->nx_pcibase), - data); - else - rval = RD_REG_DWORD((void *) - (off_value + CRB_INDIRECT_2M + ha->nx_pcibase)); - - return rval; -} - static int qla82xx_minidump_process_control(scsi_qla_host_t *vha, qla82xx_md_entry_hdr_t *entry_hdr, uint32_t **d_ptr) @@ -4130,8 +4098,9 @@ qla82xx_md_collect(scsi_qla_host_t *vha) data_ptr = (uint32_t *)ha->md_dump; if (ha->fw_dumped) { - ql_log(ql_log_info, vha, 0xb037, - "Firmware dump available to retrive\n"); + ql_log(ql_log_warn, vha, 0xb037, + "Firmware has been previously dumped (%p) " + "-- ignoring request.\n", ha->fw_dump); goto md_failed; } @@ -4174,7 +4143,7 @@ qla82xx_md_collect(scsi_qla_host_t *vha) total_data_size = ha->md_dump_size; - ql_dbg(ql_log_info, vha, 0xb03d, + ql_dbg(ql_dbg_p3p, vha, 0xb03d, "Total minidump data_size 0x%x to be captured\n", total_data_size); /* Check whether template obtained is valid */ @@ -4297,7 +4266,7 @@ skip_nxt_entry: } if (data_collected != total_data_size) { - ql_dbg(ql_log_warn, vha, 0xb043, + ql_dbg(ql_dbg_p3p, vha, 0xb043, "MiniDump data mismatch: Data collected: [0x%x]," "total_data_size:[0x%x]\n", data_collected, total_data_size); diff --git a/drivers/scsi/qla2xxx/qla_nx.h b/drivers/scsi/qla2xxx/qla_nx.h index 57a226be339..4ac50e27466 100644 --- a/drivers/scsi/qla2xxx/qla_nx.h +++ b/drivers/scsi/qla2xxx/qla_nx.h @@ -888,7 +888,8 @@ struct ct6_dsd { }; #define MBC_TOGGLE_INTERRUPT 0x10 -#define MBC_SET_LED_CONFIG 0x125 +#define MBC_SET_LED_CONFIG 0x125 /* FCoE specific LED control */ +#define MBC_GET_LED_CONFIG 0x126 /* FCoE specific LED control */ /* Flash offset */ #define FLT_REG_BOOTLOAD_82XX 0x72 diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 4ed1e4a96b9..a2f999273a5 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -304,7 +304,6 @@ static int qla2x00_mem_alloc(struct qla_hw_data *, uint16_t, uint16_t, struct req_que **, struct rsp_que **); static void qla2x00_free_fw_dump(struct qla_hw_data *); static void qla2x00_mem_free(struct qla_hw_data *); -static void qla2x00_sp_free_dma(srb_t *); /* -------------------------------------------------------------------------- */ static int qla2x00_alloc_queues(struct qla_hw_data *ha) @@ -559,28 +558,75 @@ qla24xx_fw_version_str(struct scsi_qla_host *vha, char *str) return str; } -static inline srb_t * -qla2x00_get_new_sp(scsi_qla_host_t *vha, fc_port_t *fcport, - struct scsi_cmnd *cmd) +void +qla2x00_sp_free_dma(void *vha, void *ptr) { - srb_t *sp; - struct qla_hw_data *ha = vha->hw; + srb_t *sp = (srb_t *)ptr; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + struct qla_hw_data *ha = sp->fcport->vha->hw; + void *ctx = GET_CMD_CTX_SP(sp); - sp = mempool_alloc(ha->srb_mempool, GFP_ATOMIC); - if (!sp) { - ql_log(ql_log_warn, vha, 0x3006, - "Memory allocation failed for sp.\n"); - return sp; + if (sp->flags & SRB_DMA_VALID) { + scsi_dma_unmap(cmd); + sp->flags &= ~SRB_DMA_VALID; } - atomic_set(&sp->ref_count, 1); - sp->fcport = fcport; - sp->cmd = cmd; - sp->flags = 0; - CMD_SP(cmd) = (void *)sp; - sp->ctx = NULL; + if (sp->flags & SRB_CRC_PROT_DMA_VALID) { + dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), + scsi_prot_sg_count(cmd), cmd->sc_data_direction); + sp->flags &= ~SRB_CRC_PROT_DMA_VALID; + } - return sp; + if (sp->flags & SRB_CRC_CTX_DSD_VALID) { + /* List assured to be having elements */ + qla2x00_clean_dsd_pool(ha, sp); + sp->flags &= ~SRB_CRC_CTX_DSD_VALID; + } + + if (sp->flags & SRB_CRC_CTX_DMA_VALID) { + dma_pool_free(ha->dl_dma_pool, ctx, + ((struct crc_context *)ctx)->crc_ctx_dma); + sp->flags &= ~SRB_CRC_CTX_DMA_VALID; + } + + if (sp->flags & SRB_FCP_CMND_DMA_VALID) { + struct ct6_dsd *ctx1 = (struct ct6_dsd *)ctx; + + dma_pool_free(ha->fcp_cmnd_dma_pool, ctx1->fcp_cmnd, + ctx1->fcp_cmnd_dma); + list_splice(&ctx1->dsd_list, &ha->gbl_dsd_list); + ha->gbl_dsd_inuse -= ctx1->dsd_use_cnt; + ha->gbl_dsd_avail += ctx1->dsd_use_cnt; + mempool_free(ctx1, ha->ctx_mempool); + ctx1 = NULL; + } + + CMD_SP(cmd) = NULL; + mempool_free(sp, ha->srb_mempool); +} + +static void +qla2x00_sp_compl(void *data, void *ptr, int res) +{ + struct qla_hw_data *ha = (struct qla_hw_data *)data; + srb_t *sp = (srb_t *)ptr; + struct scsi_cmnd *cmd = GET_CMD_SP(sp); + + cmd->result = res; + + if (atomic_read(&sp->ref_count) == 0) { + ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015, + "SP reference-count to ZERO -- sp=%p cmd=%p.\n", + sp, GET_CMD_SP(sp)); + if (ql2xextended_error_logging & ql_dbg_io) + BUG(); + return; + } + if (!atomic_dec_and_test(&sp->ref_count)) + return; + + qla2x00_sp_free_dma(ha, sp); + cmd->scsi_done(cmd); } static int @@ -625,6 +671,12 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) cmd->result = DID_NO_CONNECT << 16; goto qc24_fail_command; } + + if (!fcport) { + cmd->result = DID_NO_CONNECT << 16; + goto qc24_fail_command; + } + if (atomic_read(&fcport->state) != FCS_ONLINE) { if (atomic_read(&fcport->state) == FCS_DEVICE_DEAD || atomic_read(&base_vha->loop_state) == LOOP_DEAD) { @@ -638,10 +690,17 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) goto qc24_target_busy; } - sp = qla2x00_get_new_sp(base_vha, fcport, cmd); + sp = qla2x00_get_sp(base_vha, fcport, GFP_ATOMIC); if (!sp) goto qc24_host_busy; + sp->u.scmd.cmd = cmd; + sp->type = SRB_SCSI_CMD; + atomic_set(&sp->ref_count, 1); + CMD_SP(cmd) = (void *)sp; + sp->free = qla2x00_sp_free_dma; + sp->done = qla2x00_sp_compl; + rval = ha->isp_ops->start_scsi(sp); if (rval != QLA_SUCCESS) { ql_dbg(ql_dbg_io, vha, 0x3013, @@ -652,8 +711,7 @@ qla2xxx_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) return 0; qc24_host_busy_free_sp: - qla2x00_sp_free_dma(sp); - mempool_free(sp, ha->srb_mempool); + qla2x00_sp_free_dma(ha, sp); qc24_host_busy: return SCSI_MLQUEUE_HOST_BUSY; @@ -877,6 +935,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) spin_unlock_irqrestore(&ha->hardware_lock, flags); if (ha->isp_ops->abort_command(sp)) { + ret = FAILED; ql_dbg(ql_dbg_taskm, vha, 0x8003, "Abort command mbx failed cmd=%p.\n", cmd); } else { @@ -886,7 +945,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) } spin_lock_irqsave(&ha->hardware_lock, flags); - qla2x00_sp_compl(ha, sp); + sp->done(ha, sp, 0); spin_unlock_irqrestore(&ha->hardware_lock, flags); /* Did the command return during mailbox execution? */ @@ -918,6 +977,7 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, struct qla_hw_data *ha = vha->hw; struct req_que *req; srb_t *sp; + struct scsi_cmnd *cmd; status = QLA_SUCCESS; @@ -928,28 +988,29 @@ qla2x00_eh_wait_for_pending_commands(scsi_qla_host_t *vha, unsigned int t, sp = req->outstanding_cmds[cnt]; if (!sp) continue; - if ((sp->ctx) && !IS_PROT_IO(sp)) + if (sp->type != SRB_SCSI_CMD) continue; if (vha->vp_idx != sp->fcport->vha->vp_idx) continue; match = 0; + cmd = GET_CMD_SP(sp); switch (type) { case WAIT_HOST: match = 1; break; case WAIT_TARGET: - match = sp->cmd->device->id == t; + match = cmd->device->id == t; break; case WAIT_LUN: - match = (sp->cmd->device->id == t && - sp->cmd->device->lun == l); + match = (cmd->device->id == t && + cmd->device->lun == l); break; } if (!match) continue; spin_unlock_irqrestore(&ha->hardware_lock, flags); - status = qla2x00_eh_wait_on_command(sp->cmd); + status = qla2x00_eh_wait_on_command(cmd); spin_lock_irqsave(&ha->hardware_lock, flags); } spin_unlock_irqrestore(&ha->hardware_lock, flags); @@ -1124,7 +1185,6 @@ static int qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) { scsi_qla_host_t *vha = shost_priv(cmd->device->host); - fc_port_t *fcport = (struct fc_port *) cmd->device->hostdata; struct qla_hw_data *ha = vha->hw; int ret = FAILED; unsigned int id, lun; @@ -1133,15 +1193,6 @@ qla2xxx_eh_host_reset(struct scsi_cmnd *cmd) id = cmd->device->id; lun = cmd->device->lun; - if (!fcport) { - return ret; - } - - ret = fc_block_scsi_eh(cmd); - if (ret != 0) - return ret; - ret = FAILED; - ql_log(ql_log_info, vha, 0x8018, "ADAPTER RESET ISSUED nexus=%ld:%d:%d.\n", vha->host_no, id, lun); @@ -1222,7 +1273,7 @@ qla2x00_loop_reset(scsi_qla_host_t *vha) } } - if (ha->flags.enable_lip_full_login && !IS_QLA8XXX_TYPE(ha)) { + if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { ret = qla2x00_full_login_lip(vha); if (ret != QLA_SUCCESS) { ql_dbg(ql_dbg_taskm, vha, 0x802d, @@ -1252,7 +1303,6 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) int que, cnt; unsigned long flags; srb_t *sp; - struct srb_ctx *ctx; struct qla_hw_data *ha = vha->hw; struct req_que *req; @@ -1265,31 +1315,7 @@ qla2x00_abort_all_cmds(scsi_qla_host_t *vha, int res) sp = req->outstanding_cmds[cnt]; if (sp) { req->outstanding_cmds[cnt] = NULL; - if (!sp->ctx || - (sp->flags & SRB_FCP_CMND_DMA_VALID) || - IS_PROT_IO(sp)) { - sp->cmd->result = res; - qla2x00_sp_compl(ha, sp); - } else { - ctx = sp->ctx; - if (ctx->type == SRB_ELS_CMD_RPT || - ctx->type == SRB_ELS_CMD_HST || - ctx->type == SRB_CT_CMD) { - struct fc_bsg_job *bsg_job = - ctx->u.bsg_job; - if (bsg_job->request->msgcode - == FC_BSG_HST_CT) - kfree(sp->fcport); - bsg_job->req->errors = 0; - bsg_job->reply->result = res; - bsg_job->job_done(bsg_job); - kfree(sp->ctx); - mempool_free(sp, - ha->srb_mempool); - } else { - ctx->u.iocb_cmd->free(sp); - } - } + sp->done(vha, sp, res); } } } @@ -1491,9 +1517,6 @@ qla2x00_iospace_config(struct qla_hw_data *ha) uint16_t msix; int cpus; - if (IS_QLA82XX(ha)) - return qla82xx_iospace_config(ha); - if (pci_request_selected_regions(ha->pdev, ha->bars, QLA2XXX_DRIVER_NAME)) { ql_log_pci(ql_log_fatal, ha->pdev, 0x0011, @@ -1596,6 +1619,96 @@ iospace_error_exit: } +static int +qla83xx_iospace_config(struct qla_hw_data *ha) +{ + uint16_t msix; + int cpus; + + if (pci_request_selected_regions(ha->pdev, ha->bars, + QLA2XXX_DRIVER_NAME)) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x0117, + "Failed to reserve PIO/MMIO regions (%s), aborting.\n", + pci_name(ha->pdev)); + + goto iospace_error_exit; + } + + /* Use MMIO operations for all accesses. */ + if (!(pci_resource_flags(ha->pdev, 0) & IORESOURCE_MEM)) { + ql_log_pci(ql_log_warn, ha->pdev, 0x0118, + "Invalid pci I/O region size (%s).\n", + pci_name(ha->pdev)); + goto iospace_error_exit; + } + if (pci_resource_len(ha->pdev, 0) < MIN_IOBASE_LEN) { + ql_log_pci(ql_log_warn, ha->pdev, 0x0119, + "Invalid PCI mem region size (%s), aborting\n", + pci_name(ha->pdev)); + goto iospace_error_exit; + } + + ha->iobase = ioremap(pci_resource_start(ha->pdev, 0), MIN_IOBASE_LEN); + if (!ha->iobase) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x011a, + "Cannot remap MMIO (%s), aborting.\n", + pci_name(ha->pdev)); + goto iospace_error_exit; + } + + /* 64bit PCI BAR - BAR2 will correspoond to region 4 */ + /* 83XX 26XX always use MQ type access for queues + * - mbar 2, a.k.a region 4 */ + ha->max_req_queues = ha->max_rsp_queues = 1; + ha->mqiobase = ioremap(pci_resource_start(ha->pdev, 4), + pci_resource_len(ha->pdev, 4)); + + if (!ha->mqiobase) { + ql_log_pci(ql_log_fatal, ha->pdev, 0x011d, + "BAR2/region4 not enabled\n"); + goto mqiobase_exit; + } + + ha->msixbase = ioremap(pci_resource_start(ha->pdev, 2), + pci_resource_len(ha->pdev, 2)); + if (ha->msixbase) { + /* Read MSIX vector size of the board */ + pci_read_config_word(ha->pdev, + QLA_83XX_PCI_MSIX_CONTROL, &msix); + ha->msix_count = msix; + /* Max queues are bounded by available msix vectors */ + /* queue 0 uses two msix vectors */ + if (ql2xmultique_tag) { + cpus = num_online_cpus(); + ha->max_rsp_queues = (ha->msix_count - 1 > cpus) ? + (cpus + 1) : (ha->msix_count - 1); + ha->max_req_queues = 2; + } else if (ql2xmaxqueues > 1) { + ha->max_req_queues = ql2xmaxqueues > QLA_MQ_SIZE ? + QLA_MQ_SIZE : ql2xmaxqueues; + ql_dbg_pci(ql_dbg_multiq, ha->pdev, 0xc00c, + "QoS mode set, max no of request queues:%d.\n", + ha->max_req_queues); + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011b, + "QoS mode set, max no of request queues:%d.\n", + ha->max_req_queues); + } + ql_log_pci(ql_log_info, ha->pdev, 0x011c, + "MSI-X vector count: %d.\n", msix); + } else + ql_log_pci(ql_log_info, ha->pdev, 0x011e, + "BAR 1 not enabled.\n"); + +mqiobase_exit: + ha->msix_count = ha->max_rsp_queues + 1; + ql_dbg_pci(ql_dbg_init, ha->pdev, 0x011f, + "MSIX Count:%d.\n", ha->msix_count); + return 0; + +iospace_error_exit: + return -ENOMEM; +} + static struct isp_operations qla2100_isp_ops = { .pci_config = qla2100_pci_config, .reset_chip = qla2x00_reset_chip, @@ -1772,7 +1885,7 @@ static struct isp_operations qla81xx_isp_ops = { .fw_dump = qla81xx_fw_dump, .beacon_on = qla24xx_beacon_on, .beacon_off = qla24xx_beacon_off, - .beacon_blink = qla24xx_beacon_blink, + .beacon_blink = qla83xx_beacon_blink, .read_optrom = qla25xx_read_optrom_data, .write_optrom = qla24xx_write_optrom_data, .get_flash_version = qla24xx_get_flash_version, @@ -1818,6 +1931,43 @@ static struct isp_operations qla82xx_isp_ops = { .iospace_config = qla82xx_iospace_config, }; +static struct isp_operations qla83xx_isp_ops = { + .pci_config = qla25xx_pci_config, + .reset_chip = qla24xx_reset_chip, + .chip_diag = qla24xx_chip_diag, + .config_rings = qla24xx_config_rings, + .reset_adapter = qla24xx_reset_adapter, + .nvram_config = qla81xx_nvram_config, + .update_fw_options = qla81xx_update_fw_options, + .load_risc = qla81xx_load_risc, + .pci_info_str = qla24xx_pci_info_str, + .fw_version_str = qla24xx_fw_version_str, + .intr_handler = qla24xx_intr_handler, + .enable_intrs = qla24xx_enable_intrs, + .disable_intrs = qla24xx_disable_intrs, + .abort_command = qla24xx_abort_command, + .target_reset = qla24xx_abort_target, + .lun_reset = qla24xx_lun_reset, + .fabric_login = qla24xx_login_fabric, + .fabric_logout = qla24xx_fabric_logout, + .calc_req_entries = NULL, + .build_iocbs = NULL, + .prep_ms_iocb = qla24xx_prep_ms_iocb, + .prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb, + .read_nvram = NULL, + .write_nvram = NULL, + .fw_dump = qla83xx_fw_dump, + .beacon_on = qla24xx_beacon_on, + .beacon_off = qla24xx_beacon_off, + .beacon_blink = qla83xx_beacon_blink, + .read_optrom = qla25xx_read_optrom_data, + .write_optrom = qla24xx_write_optrom_data, + .get_flash_version = qla24xx_get_flash_version, + .start_scsi = qla24xx_dif_start_scsi, + .abort_isp = qla2x00_abort_isp, + .iospace_config = qla83xx_iospace_config, +}; + static inline void qla2x00_set_isp_flags(struct qla_hw_data *ha) { @@ -1912,6 +2062,22 @@ qla2x00_set_isp_flags(struct qla_hw_data *ha) /* Initialize 82XX ISP flags */ qla82xx_init_flags(ha); break; + case PCI_DEVICE_ID_QLOGIC_ISP2031: + ha->device_type |= DT_ISP2031; + ha->device_type |= DT_ZIO_SUPPORTED; + ha->device_type |= DT_FWI2; + ha->device_type |= DT_IIDMA; + ha->device_type |= DT_T10_PI; + ha->fw_srisc_address = RISC_START_ADDRESS_2400; + break; + case PCI_DEVICE_ID_QLOGIC_ISP8031: + ha->device_type |= DT_ISP8031; + ha->device_type |= DT_ZIO_SUPPORTED; + ha->device_type |= DT_FWI2; + ha->device_type |= DT_IIDMA; + ha->device_type |= DT_T10_PI; + ha->fw_srisc_address = RISC_START_ADDRESS_2400; + break; } if (IS_QLA82XX(ha)) @@ -1969,7 +2135,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) char pci_info[30]; char fw_str[30]; struct scsi_host_template *sht; - int bars, max_id, mem_only = 0; + int bars, mem_only = 0; uint16_t req_length = 0, rsp_length = 0; struct req_que *req = NULL; struct rsp_que *rsp = NULL; @@ -1983,7 +2149,9 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) pdev->device == PCI_DEVICE_ID_QLOGIC_ISP5432 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2532 || pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8001 || - pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021) { + pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8021 || + pdev->device == PCI_DEVICE_ID_QLOGIC_ISP2031 || + pdev->device == PCI_DEVICE_ID_QLOGIC_ISP8031) { bars = pci_select_bars(pdev, IORESOURCE_MEM); mem_only = 1; ql_dbg_pci(ql_dbg_init, pdev, 0x0007, @@ -2023,9 +2191,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) qla2x00_set_isp_flags(ha); /* Set EEH reset type to fundamental if required by hba */ - if ( IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) { + if (IS_QLA24XX(ha) || IS_QLA25XX(ha) || IS_QLA81XX(ha)) pdev->needs_freset = 1; - } ha->prev_topology = 0; ha->init_cb_size = sizeof(init_cb_t); @@ -2033,9 +2200,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->optrom_size = OPTROM_SIZE_2300; /* Assign ISP specific operations. */ - max_id = MAX_TARGETS_2200; if (IS_QLA2100(ha)) { - max_id = MAX_TARGETS_2100; + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; ha->mbx_count = MAILBOX_REGISTER_COUNT_2100; req_length = REQUEST_ENTRY_CNT_2100; rsp_length = RESPONSE_ENTRY_CNT_2100; @@ -2047,7 +2213,8 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_data_off = ~0; ha->isp_ops = &qla2100_isp_ops; } else if (IS_QLA2200(ha)) { - ha->mbx_count = MAILBOX_REGISTER_COUNT; + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; + ha->mbx_count = MAILBOX_REGISTER_COUNT_2200; req_length = REQUEST_ENTRY_CNT_2200; rsp_length = RESPONSE_ENTRY_CNT_2100; ha->max_loop_id = SNS_LAST_LOOP_ID_2100; @@ -2058,6 +2225,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_data_off = ~0; ha->isp_ops = &qla2100_isp_ops; } else if (IS_QLA23XX(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2100; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_2200; rsp_length = RESPONSE_ENTRY_CNT_2300; @@ -2071,6 +2239,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_data_off = ~0; ha->isp_ops = &qla2300_isp_ops; } else if (IS_QLA24XX_TYPE(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; @@ -2085,6 +2254,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA25XX(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; @@ -2099,6 +2269,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; } else if (IS_QLA81XX(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_24XX; rsp_length = RESPONSE_ENTRY_CNT_2300; @@ -2113,6 +2284,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->nvram_conf_off = ~0; ha->nvram_data_off = ~0; } else if (IS_QLA82XX(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; ha->mbx_count = MAILBOX_REGISTER_COUNT; req_length = REQUEST_ENTRY_CNT_82XX; rsp_length = RESPONSE_ENTRY_CNT_82XX; @@ -2126,14 +2298,31 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) ha->flash_data_off = FARX_ACCESS_FLASH_DATA; ha->nvram_conf_off = FARX_ACCESS_NVRAM_CONF; ha->nvram_data_off = FARX_ACCESS_NVRAM_DATA; + } else if (IS_QLA83XX(ha)) { + ha->max_fibre_devices = MAX_FIBRE_DEVICES_2400; + ha->mbx_count = MAILBOX_REGISTER_COUNT; + req_length = REQUEST_ENTRY_CNT_24XX; + rsp_length = RESPONSE_ENTRY_CNT_2300; + ha->max_loop_id = SNS_LAST_LOOP_ID_2300; + ha->init_cb_size = sizeof(struct mid_init_cb_81xx); + ha->gid_list_info_size = 8; + ha->optrom_size = OPTROM_SIZE_83XX; + ha->nvram_npiv_size = QLA_MAX_VPORTS_QLA25XX; + ha->isp_ops = &qla83xx_isp_ops; + ha->flash_conf_off = FARX_ACCESS_FLASH_CONF_81XX; + ha->flash_data_off = FARX_ACCESS_FLASH_DATA_81XX; + ha->nvram_conf_off = ~0; + ha->nvram_data_off = ~0; } + ql_dbg_pci(ql_dbg_init, pdev, 0x001e, "mbx_count=%d, req_length=%d, " "rsp_length=%d, max_loop_id=%d, init_cb_size=%d, " - "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, .\n", + "gid_list_info_size=%d, optrom_size=%d, nvram_npiv_size=%d, " + "max_fibre_devices=%d.\n", ha->mbx_count, req_length, rsp_length, ha->max_loop_id, ha->init_cb_size, ha->gid_list_info_size, ha->optrom_size, - ha->nvram_npiv_size); + ha->nvram_npiv_size, ha->max_fibre_devices); ql_dbg_pci(ql_dbg_init, pdev, 0x001f, "isp_ops=%p, flash_conf_off=%d, " "flash_data_off=%d, nvram_conf_off=%d, nvram_data_off=%d.\n", @@ -2207,7 +2396,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) "mgmt_svr_loop_id=%d, sg_tablesize=%d.\n", host->can_queue, base_vha->req, base_vha->mgmt_svr_loop_id, host->sg_tablesize); - host->max_id = max_id; + host->max_id = ha->max_fibre_devices; host->this_id = 255; host->cmd_per_lun = 3; host->unique_id = host->host_no; @@ -2254,7 +2443,7 @@ que_init: req->req_q_out = &ha->iobase->isp24.req_q_out; rsp->rsp_q_in = &ha->iobase->isp24.rsp_q_in; rsp->rsp_q_out = &ha->iobase->isp24.rsp_q_out; - if (ha->mqenable) { + if (ha->mqenable || IS_QLA83XX(ha)) { req->req_q_in = &ha->mqiobase->isp25mq.req_q_in; req->req_q_out = &ha->mqiobase->isp25mq.req_q_out; rsp->rsp_q_in = &ha->mqiobase->isp25mq.rsp_q_in; @@ -2555,6 +2744,9 @@ qla2x00_remove_one(struct pci_dev *pdev) if (ha->mqiobase) iounmap(ha->mqiobase); + + if (IS_QLA83XX(ha) && ha->msixbase) + iounmap(ha->msixbase); } pci_release_selected_regions(ha->pdev, ha->bars); @@ -2754,8 +2946,8 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, if (!ha->init_cb) goto fail; - ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, GID_LIST_SIZE, - &ha->gid_list_dma, GFP_KERNEL); + ha->gid_list = dma_alloc_coherent(&ha->pdev->dev, + qla2x00_gid_list_size(ha), &ha->gid_list_dma, GFP_KERNEL); if (!ha->gid_list) goto fail_free_init_cb; @@ -2896,7 +3088,7 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len, ha->npiv_info = NULL; /* Get consistent memory allocated for EX-INIT-CB. */ - if (IS_QLA8XXX_TYPE(ha)) { + if (IS_CNA_CAPABLE(ha) || IS_QLA2031(ha)) { ha->ex_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL, &ha->ex_init_cb_dma); if (!ha->ex_init_cb) @@ -2970,7 +3162,8 @@ fail_free_srb_mempool: mempool_destroy(ha->srb_mempool); ha->srb_mempool = NULL; fail_free_gid_list: - dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, + dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), + ha->gid_list, ha->gid_list_dma); ha->gid_list = NULL; ha->gid_list_dma = 0; @@ -3048,9 +3241,6 @@ qla2x00_mem_free(struct qla_hw_data *ha) if (ha->sfp_data) dma_pool_free(ha->s_dma_pool, ha->sfp_data, ha->sfp_data_dma); - if (ha->edc_data) - dma_pool_free(ha->s_dma_pool, ha->edc_data, ha->edc_data_dma); - if (ha->ms_iocb) dma_pool_free(ha->s_dma_pool, ha->ms_iocb, ha->ms_iocb_dma); @@ -3065,8 +3255,8 @@ qla2x00_mem_free(struct qla_hw_data *ha) dma_pool_destroy(ha->s_dma_pool); if (ha->gid_list) - dma_free_coherent(&ha->pdev->dev, GID_LIST_SIZE, ha->gid_list, - ha->gid_list_dma); + dma_free_coherent(&ha->pdev->dev, qla2x00_gid_list_size(ha), + ha->gid_list, ha->gid_list_dma); if (IS_QLA82XX(ha)) { if (!list_empty(&ha->gbl_dsd_list)) { @@ -3098,6 +3288,7 @@ qla2x00_mem_free(struct qla_hw_data *ha) vfree(ha->optrom_buffer); kfree(ha->nvram); kfree(ha->npiv_info); + kfree(ha->swl); ha->srb_mempool = NULL; ha->ctx_mempool = NULL; @@ -3664,75 +3855,6 @@ qla2x00_rst_aen(scsi_qla_host_t *vha) } } -static void -qla2x00_sp_free_dma(srb_t *sp) -{ - struct scsi_cmnd *cmd = sp->cmd; - struct qla_hw_data *ha = sp->fcport->vha->hw; - - if (sp->flags & SRB_DMA_VALID) { - scsi_dma_unmap(cmd); - sp->flags &= ~SRB_DMA_VALID; - } - - if (sp->flags & SRB_CRC_PROT_DMA_VALID) { - dma_unmap_sg(&ha->pdev->dev, scsi_prot_sglist(cmd), - scsi_prot_sg_count(cmd), cmd->sc_data_direction); - sp->flags &= ~SRB_CRC_PROT_DMA_VALID; - } - - if (sp->flags & SRB_CRC_CTX_DSD_VALID) { - /* List assured to be having elements */ - qla2x00_clean_dsd_pool(ha, sp); - sp->flags &= ~SRB_CRC_CTX_DSD_VALID; - } - - if (sp->flags & SRB_CRC_CTX_DMA_VALID) { - dma_pool_free(ha->dl_dma_pool, sp->ctx, - ((struct crc_context *)sp->ctx)->crc_ctx_dma); - sp->flags &= ~SRB_CRC_CTX_DMA_VALID; - } - - if (sp->flags & SRB_FCP_CMND_DMA_VALID) { - struct ct6_dsd *ctx = sp->ctx; - dma_pool_free(ha->fcp_cmnd_dma_pool, ctx->fcp_cmnd, - ctx->fcp_cmnd_dma); - list_splice(&ctx->dsd_list, &ha->gbl_dsd_list); - ha->gbl_dsd_inuse -= ctx->dsd_use_cnt; - ha->gbl_dsd_avail += ctx->dsd_use_cnt; - mempool_free(sp->ctx, ha->ctx_mempool); - sp->ctx = NULL; - } - - CMD_SP(cmd) = NULL; -} - -static void -qla2x00_sp_final_compl(struct qla_hw_data *ha, srb_t *sp) -{ - struct scsi_cmnd *cmd = sp->cmd; - - qla2x00_sp_free_dma(sp); - mempool_free(sp, ha->srb_mempool); - cmd->scsi_done(cmd); -} - -void -qla2x00_sp_compl(struct qla_hw_data *ha, srb_t *sp) -{ - if (atomic_read(&sp->ref_count) == 0) { - ql_dbg(ql_dbg_io, sp->fcport->vha, 0x3015, - "SP reference-count to ZERO -- sp=%p cmd=%p.\n", - sp, sp->cmd); - if (ql2xextended_error_logging & ql_dbg_io) - BUG(); - return; - } - if (!atomic_dec_and_test(&sp->ref_count)) - return; - qla2x00_sp_final_compl(ha, sp); -} - /************************************************************************** * qla2x00_timer * @@ -3803,7 +3925,7 @@ qla2x00_timer(scsi_qla_host_t *vha) sp = req->outstanding_cmds[index]; if (!sp) continue; - if (sp->ctx && !IS_PROT_IO(sp)) + if (sp->type != SRB_SCSI_CMD) continue; sfcp = sp->fcport; if (!(sfcp->flags & FCF_FCP2_DEVICE)) @@ -3892,7 +4014,7 @@ qla2x00_timer(scsi_qla_host_t *vha) /* Firmware interface routines. */ -#define FW_BLOBS 8 +#define FW_BLOBS 10 #define FW_ISP21XX 0 #define FW_ISP22XX 1 #define FW_ISP2300 2 @@ -3901,6 +4023,8 @@ qla2x00_timer(scsi_qla_host_t *vha) #define FW_ISP25XX 5 #define FW_ISP81XX 6 #define FW_ISP82XX 7 +#define FW_ISP2031 8 +#define FW_ISP8031 9 #define FW_FILE_ISP21XX "ql2100_fw.bin" #define FW_FILE_ISP22XX "ql2200_fw.bin" @@ -3910,6 +4034,8 @@ qla2x00_timer(scsi_qla_host_t *vha) #define FW_FILE_ISP25XX "ql2500_fw.bin" #define FW_FILE_ISP81XX "ql8100_fw.bin" #define FW_FILE_ISP82XX "ql8200_fw.bin" +#define FW_FILE_ISP2031 "ql2600_fw.bin" +#define FW_FILE_ISP8031 "ql8300_fw.bin" static DEFINE_MUTEX(qla_fw_lock); @@ -3922,6 +4048,8 @@ static struct fw_blob qla_fw_blobs[FW_BLOBS] = { { .name = FW_FILE_ISP25XX, }, { .name = FW_FILE_ISP81XX, }, { .name = FW_FILE_ISP82XX, }, + { .name = FW_FILE_ISP2031, }, + { .name = FW_FILE_ISP8031, }, }; struct fw_blob * @@ -3930,7 +4058,6 @@ qla2x00_request_firmware(scsi_qla_host_t *vha) struct qla_hw_data *ha = vha->hw; struct fw_blob *blob; - blob = NULL; if (IS_QLA2100(ha)) { blob = &qla_fw_blobs[FW_ISP21XX]; } else if (IS_QLA2200(ha)) { @@ -3947,6 +4074,12 @@ qla2x00_request_firmware(scsi_qla_host_t *vha) blob = &qla_fw_blobs[FW_ISP81XX]; } else if (IS_QLA82XX(ha)) { blob = &qla_fw_blobs[FW_ISP82XX]; + } else if (IS_QLA2031(ha)) { + blob = &qla_fw_blobs[FW_ISP2031]; + } else if (IS_QLA8031(ha)) { + blob = &qla_fw_blobs[FW_ISP8031]; + } else { + return NULL; } mutex_lock(&qla_fw_lock); @@ -4268,6 +4401,7 @@ static struct pci_device_id qla2xxx_pci_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5422) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP5432) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2532) }, + { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP2031) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8001) }, { PCI_DEVICE(PCI_VENDOR_ID_QLOGIC, PCI_DEVICE_ID_QLOGIC_ISP8021) }, { 0 }, diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 16bc72844a9..3c13c0a6be6 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -568,6 +568,9 @@ qla2xxx_find_flt_start(scsi_qla_host_t *vha, uint32_t *start) else if (IS_QLA82XX(ha)) { *start = FA_FLASH_LAYOUT_ADDR_82; goto end; + } else if (IS_QLA83XX(ha)) { + *start = FA_FLASH_LAYOUT_ADDR_83; + goto end; } /* Begin with first PCI expansion ROM header. */ buf = (uint8_t *)req->ring; @@ -721,13 +724,22 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) le32_to_cpu(region->size)); switch (le32_to_cpu(region->code) & 0xff) { + case FLT_REG_FCOE_FW: + if (!IS_QLA8031(ha)) + break; + ha->flt_region_fw = start; + break; case FLT_REG_FW: + if (IS_QLA8031(ha)) + break; ha->flt_region_fw = start; break; case FLT_REG_BOOT_CODE: ha->flt_region_boot = start; break; case FLT_REG_VPD_0: + if (IS_QLA8031(ha)) + break; ha->flt_region_vpd_nvram = start; if (IS_QLA82XX(ha)) break; @@ -735,16 +747,20 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) ha->flt_region_vpd = start; break; case FLT_REG_VPD_1: - if (IS_QLA82XX(ha)) + if (IS_QLA82XX(ha) || IS_QLA8031(ha)) break; if (!ha->flags.port0) ha->flt_region_vpd = start; break; case FLT_REG_NVRAM_0: + if (IS_QLA8031(ha)) + break; if (ha->flags.port0) ha->flt_region_nvram = start; break; case FLT_REG_NVRAM_1: + if (IS_QLA8031(ha)) + break; if (!ha->flags.port0) ha->flt_region_nvram = start; break; @@ -785,6 +801,31 @@ qla2xxx_get_flt_info(scsi_qla_host_t *vha, uint32_t flt_addr) case FLT_REG_VPD_82XX: ha->flt_region_vpd = start; break; + case FLT_REG_FCOE_VPD_0: + if (!IS_QLA8031(ha)) + break; + ha->flt_region_vpd_nvram = start; + if (ha->flags.port0) + ha->flt_region_vpd = start; + break; + case FLT_REG_FCOE_VPD_1: + if (!IS_QLA8031(ha)) + break; + if (!ha->flags.port0) + ha->flt_region_vpd = start; + break; + case FLT_REG_FCOE_NVRAM_0: + if (!IS_QLA8031(ha)) + break; + if (ha->flags.port0) + ha->flt_region_nvram = start; + break; + case FLT_REG_FCOE_NVRAM_1: + if (!IS_QLA8031(ha)) + break; + if (!ha->flags.port0) + ha->flt_region_nvram = start; + break; } } goto done; @@ -804,15 +845,12 @@ no_flash_data: def_npiv_conf0[def] : def_npiv_conf1[def]; done: ql_dbg(ql_dbg_init, vha, 0x004a, - "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x.\n", - loc, ha->flt_region_boot, - ha->flt_region_fw, ha->flt_region_vpd_nvram, - ha->flt_region_vpd); - ql_dbg(ql_dbg_init, vha, 0x004b, - "nvram=0x%x fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n", - ha->flt_region_nvram, - ha->flt_region_fdt, ha->flt_region_flt, - ha->flt_region_npiv_conf, ha->flt_region_fcp_prio); + "FLT[%s]: boot=0x%x fw=0x%x vpd_nvram=0x%x vpd=0x%x nvram=0x%x " + "fdt=0x%x flt=0x%x npiv=0x%x fcp_prif_cfg=0x%x.\n", + loc, ha->flt_region_boot, ha->flt_region_fw, + ha->flt_region_vpd_nvram, ha->flt_region_vpd, ha->flt_region_nvram, + ha->flt_region_fdt, ha->flt_region_flt, ha->flt_region_npiv_conf, + ha->flt_region_fcp_prio); } static void @@ -948,7 +986,8 @@ qla2xxx_get_flash_info(scsi_qla_host_t *vha) uint32_t flt_addr; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha)) + if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && + !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha)) return QLA_SUCCESS; ret = qla2xxx_find_flt_start(vha, &flt_addr); @@ -974,7 +1013,8 @@ qla2xxx_flash_npiv_conf(scsi_qla_host_t *vha) struct qla_npiv_entry *entry; struct qla_hw_data *ha = vha->hw; - if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && !IS_QLA8XXX_TYPE(ha)) + if (!IS_QLA24XX_TYPE(ha) && !IS_QLA25XX(ha) && + !IS_CNA_CAPABLE(ha) && !IS_QLA2031(ha)) return; ha->isp_ops->read_optrom(vha, (uint8_t *)&hdr, @@ -1144,8 +1184,8 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, struct qla_hw_data *ha = vha->hw; /* Prepare burst-capable write on supported ISPs. */ - if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && !(faddr & 0xfff) && - dwords > OPTROM_BURST_DWORDS) { + if ((IS_QLA25XX(ha) || IS_QLA81XX(ha) || IS_QLA83XX(ha)) && + !(faddr & 0xfff) && dwords > OPTROM_BURST_DWORDS) { optrom = dma_alloc_coherent(&ha->pdev->dev, OPTROM_BURST_SIZE, &optrom_dma, GFP_KERNEL); if (!optrom) { @@ -1619,6 +1659,71 @@ qla24xx_beacon_blink(struct scsi_qla_host *vha) spin_unlock_irqrestore(&ha->hardware_lock, flags); } +void +qla83xx_beacon_blink(struct scsi_qla_host *vha) +{ + uint32_t led_select_value; + struct qla_hw_data *ha = vha->hw; + uint16_t led_cfg[6]; + uint16_t orig_led_cfg[6]; + + if (!IS_QLA83XX(ha) && !IS_QLA81XX(ha)) + return; + + if (IS_QLA2031(ha) && ha->beacon_blink_led) { + if (ha->flags.port0) + led_select_value = 0x00201320; + else + led_select_value = 0x00201328; + + qla83xx_write_remote_reg(vha, led_select_value, 0x40002000); + qla83xx_write_remote_reg(vha, led_select_value + 4, 0x40002000); + msleep(1000); + qla83xx_write_remote_reg(vha, led_select_value, 0x40004000); + qla83xx_write_remote_reg(vha, led_select_value + 4, 0x40004000); + } else if ((IS_QLA8031(ha) || IS_QLA81XX(ha)) && ha->beacon_blink_led) { + int rval; + + /* Save Current */ + rval = qla81xx_get_led_config(vha, orig_led_cfg); + /* Do the blink */ + if (rval == QLA_SUCCESS) { + if (IS_QLA81XX(ha)) { + led_cfg[0] = 0x4000; + led_cfg[1] = 0x2000; + led_cfg[2] = 0; + led_cfg[3] = 0; + led_cfg[4] = 0; + led_cfg[5] = 0; + } else { + led_cfg[0] = 0x4000; + led_cfg[1] = 0x4000; + led_cfg[2] = 0x4000; + led_cfg[3] = 0x2000; + led_cfg[4] = 0; + led_cfg[5] = 0x2000; + } + rval = qla81xx_set_led_config(vha, led_cfg); + msleep(1000); + if (IS_QLA81XX(ha)) { + led_cfg[0] = 0x4000; + led_cfg[1] = 0x2000; + led_cfg[2] = 0; + } else { + led_cfg[0] = 0x4000; + led_cfg[1] = 0x2000; + led_cfg[2] = 0x4000; + led_cfg[3] = 0x4000; + led_cfg[4] = 0; + led_cfg[5] = 0x2000; + } + rval = qla81xx_set_led_config(vha, led_cfg); + } + /* On exit, restore original (presumes no status change) */ + qla81xx_set_led_config(vha, orig_led_cfg); + } +} + int qla24xx_beacon_on(struct scsi_qla_host *vha) { @@ -1630,6 +1735,9 @@ qla24xx_beacon_on(struct scsi_qla_host *vha) if (IS_QLA82XX(ha)) return QLA_SUCCESS; + if (IS_QLA8031(ha) || IS_QLA81XX(ha)) + goto skip_gpio; /* let blink handle it */ + if (ha->beacon_blink_led == 0) { /* Enable firmware for update */ ha->fw_options[1] |= ADD_FO1_DISABLE_GPIO_LED_CTRL; @@ -1644,6 +1752,9 @@ qla24xx_beacon_on(struct scsi_qla_host *vha) return QLA_FUNCTION_FAILED; } + if (IS_QLA2031(ha)) + goto skip_gpio; + spin_lock_irqsave(&ha->hardware_lock, flags); gpio_data = RD_REG_DWORD(®->gpiod); @@ -1658,6 +1769,7 @@ qla24xx_beacon_on(struct scsi_qla_host *vha) /* So all colors blink together. */ ha->beacon_color_state = 0; +skip_gpio: /* Let the per HBA timer kick off the blinking process. */ ha->beacon_blink_led = 1; @@ -1676,6 +1788,13 @@ qla24xx_beacon_off(struct scsi_qla_host *vha) return QLA_SUCCESS; ha->beacon_blink_led = 0; + + if (IS_QLA2031(ha)) + goto set_fw_options; + + if (IS_QLA8031(ha) || IS_QLA81XX(ha)) + return QLA_SUCCESS; + ha->beacon_color_state = QLA_LED_ALL_ON; ha->isp_ops->beacon_blink(vha); /* Will flip to all off. */ @@ -1690,6 +1809,7 @@ qla24xx_beacon_off(struct scsi_qla_host *vha) RD_REG_DWORD(®->gpiod); spin_unlock_irqrestore(&ha->hardware_lock, flags); +set_fw_options: ha->fw_options[1] &= ~ADD_FO1_DISABLE_GPIO_LED_CTRL; if (qla2x00_set_fw_options(vha, ha->fw_options) != QLA_SUCCESS) { diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 23f33a6d52d..29d780c3804 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.07.12-k" +#define QLA2XXX_VERSION "8.03.07.13-k" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index bfe68545203..7f2492e88be 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -150,8 +150,6 @@ #define QL4_SESS_RECOVERY_TMO 120 /* iSCSI session */ /* recovery timeout */ -#define MSB(x) ((uint8_t)((uint16_t)(x) >> 8)) -#define LSW(x) ((uint16_t)(x)) #define LSDW(x) ((u32)((u64)(x))) #define MSDW(x) ((u32)((((u64)(x)) >> 16) >> 16)) @@ -223,6 +221,15 @@ struct srb { uint16_t reserved2; }; +/* Mailbox request block structure */ +struct mrb { + struct scsi_qla_host *ha; + struct mbox_cmd_iocb *mbox; + uint32_t mbox_cmd; + uint16_t iocb_cnt; /* Number of used iocbs */ + uint32_t pid; +}; + /* * Asynchronous Event Queue structure */ @@ -265,7 +272,7 @@ struct ddb_entry { * retried */ uint32_t default_time2wait; /* Default Min time between * relogins (+aens) */ - + uint16_t chap_tbl_idx; }; struct qla_ddb_index { @@ -284,6 +291,7 @@ struct ql4_tuple_ddb { uint16_t options; #define DDB_OPT_IPV6 0x0e0e #define DDB_OPT_IPV4 0x0f0f + uint8_t isid[6]; }; /* @@ -303,7 +311,28 @@ struct ql4_tuple_ddb { #define DF_ISNS_DISCOVERED 2 /* Device was discovered via iSNS */ #define DF_FO_MASKED 3 +enum qla4_work_type { + QLA4_EVENT_AEN, + QLA4_EVENT_PING_STATUS, +}; +struct qla4_work_evt { + struct list_head list; + enum qla4_work_type type; + union { + struct { + enum iscsi_host_event_code code; + uint32_t data_size; + uint8_t data[0]; + } aen; + struct { + uint32_t status; + uint32_t pid; + uint32_t data_size; + uint8_t data[0]; + } ping; + } u; +}; struct ql82xx_hw_data { /* Offsets for flash/nvram access (set to ~0 if not used). */ @@ -657,6 +686,7 @@ struct scsi_qla_host { struct dma_pool *chap_dma_pool; uint8_t *chap_list; /* CHAP table cache */ struct mutex chap_sem; + #define CHAP_DMA_BLOCK_SIZE 512 struct workqueue_struct *task_wq; unsigned long ddb_idx_map[MAX_DDB_ENTRIES / BITS_PER_LONG]; @@ -674,6 +704,15 @@ struct scsi_qla_host { uint16_t sec_ddb_idx; int is_reset; uint16_t temperature; + + /* event work list */ + struct list_head work_list; + spinlock_t work_lock; + + /* mbox iocb */ +#define MAX_MRB 128 + struct mrb *active_mrb_array[MAX_MRB]; + uint32_t mrb_index; }; struct ql4_task_data { diff --git a/drivers/scsi/qla4xxx/ql4_fw.h b/drivers/scsi/qla4xxx/ql4_fw.h index 7825c141bc1..210cd1d6447 100644 --- a/drivers/scsi/qla4xxx/ql4_fw.h +++ b/drivers/scsi/qla4xxx/ql4_fw.h @@ -331,6 +331,10 @@ struct qla_flt_region { /* Mailbox command definitions */ #define MBOX_CMD_ABOUT_FW 0x0009 #define MBOX_CMD_PING 0x000B +#define PING_IPV6_PROTOCOL_ENABLE 0x1 +#define PING_IPV6_LINKLOCAL_ADDR 0x4 +#define PING_IPV6_ADDR0 0x8 +#define PING_IPV6_ADDR1 0xC #define MBOX_CMD_ENABLE_INTRS 0x0010 #define INTR_DISABLE 0 #define INTR_ENABLE 1 @@ -396,6 +400,10 @@ struct qla_flt_region { #define FW_ADDSTATE_DHCPv4_LEASE_EXPIRED 0x0008 #define FW_ADDSTATE_LINK_UP 0x0010 #define FW_ADDSTATE_ISNS_SVC_ENABLED 0x0020 +#define FW_ADDSTATE_LINK_SPEED_10MBPS 0x0100 +#define FW_ADDSTATE_LINK_SPEED_100MBPS 0x0200 +#define FW_ADDSTATE_LINK_SPEED_1GBPS 0x0400 +#define FW_ADDSTATE_LINK_SPEED_10GBPS 0x0800 #define MBOX_CMD_GET_DATABASE_ENTRY_DEFAULTS 0x006B #define IPV6_DEFAULT_DDB_ENTRY 0x0001 @@ -918,6 +926,8 @@ struct qla4_header { #define ET_CMND_T3 0x19 #define ET_PASSTHRU0 0x3A #define ET_PASSTHRU_STATUS 0x3C +#define ET_MBOX_CMD 0x38 +#define ET_MBOX_STATUS 0x39 uint8_t entryStatus; uint8_t systemDefined; @@ -1118,6 +1128,20 @@ struct passthru_status { uint8_t res4[16]; /* 30-3F */ }; +struct mbox_cmd_iocb { + struct qla4_header hdr; /* 00-03 */ + uint32_t handle; /* 04-07 */ + uint32_t in_mbox[8]; /* 08-25 */ + uint32_t res1[6]; /* 26-3F */ +}; + +struct mbox_status_iocb { + struct qla4_header hdr; /* 00-03 */ + uint32_t handle; /* 04-07 */ + uint32_t out_mbox[8]; /* 08-25 */ + uint32_t res1[6]; /* 26-3F */ +}; + /* * ISP queue - response queue entry definition. */ diff --git a/drivers/scsi/qla4xxx/ql4_glbl.h b/drivers/scsi/qla4xxx/ql4_glbl.h index d0dd4b33020..910536667cf 100644 --- a/drivers/scsi/qla4xxx/ql4_glbl.h +++ b/drivers/scsi/qla4xxx/ql4_glbl.h @@ -81,6 +81,8 @@ int qla4xxx_set_flash(struct scsi_qla_host *ha, dma_addr_t dma_addr, uint32_t offset, uint32_t length, uint32_t options); int qla4xxx_mailbox_command(struct scsi_qla_host *ha, uint8_t inCount, uint8_t outCount, uint32_t *mbx_cmd, uint32_t *mbx_sts); +int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, + char *password, int bidi, uint16_t *chap_index); void qla4xxx_queue_iocb(struct scsi_qla_host *ha); void qla4xxx_complete_iocb(struct scsi_qla_host *ha); @@ -181,6 +183,13 @@ int qla4xxx_flash_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, int qla4xxx_ddb_change(struct scsi_qla_host *ha, uint32_t fw_ddb_index, struct ddb_entry *ddb_entry, uint32_t state); void qla4xxx_build_ddb_list(struct scsi_qla_host *ha, int is_reset); +int qla4xxx_post_aen_work(struct scsi_qla_host *ha, uint32_t aen_code, + uint32_t data_size, uint8_t *data); +int qla4xxx_ping_iocb(struct scsi_qla_host *ha, uint32_t options, + uint32_t payload_size, uint32_t pid, uint8_t *ipaddr); +int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, + uint32_t status, uint32_t pid, + uint32_t data_size, uint8_t *data); /* BSG Functions */ int qla4xxx_bsg_request(struct bsg_job *bsg_job); diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 90614f38b55..90ee5d8fa73 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -86,6 +86,7 @@ static void qla4xxx_init_response_q_entries(struct scsi_qla_host *ha) int qla4xxx_init_rings(struct scsi_qla_host *ha) { unsigned long flags = 0; + int i; /* Initialize request queue. */ spin_lock_irqsave(&ha->hardware_lock, flags); @@ -125,6 +126,10 @@ int qla4xxx_init_rings(struct scsi_qla_host *ha) qla4xxx_init_response_q_entries(ha); + /* Initialize mabilbox active array */ + for (i = 0; i < MAX_MRB; i++) + ha->active_mrb_array[i] = NULL; + spin_unlock_irqrestore(&ha->hardware_lock, flags); return QLA_SUCCESS; diff --git a/drivers/scsi/qla4xxx/ql4_iocb.c b/drivers/scsi/qla4xxx/ql4_iocb.c index 41066935190..2a2022a6bb9 100644 --- a/drivers/scsi/qla4xxx/ql4_iocb.c +++ b/drivers/scsi/qla4xxx/ql4_iocb.c @@ -445,3 +445,95 @@ queuing_error: spin_unlock_irqrestore(&ha->hardware_lock, flags); return ret; } + +static struct mrb *qla4xxx_get_new_mrb(struct scsi_qla_host *ha) +{ + struct mrb *mrb; + + mrb = kzalloc(sizeof(*mrb), GFP_KERNEL); + if (!mrb) + return mrb; + + mrb->ha = ha; + return mrb; +} + +static int qla4xxx_send_mbox_iocb(struct scsi_qla_host *ha, struct mrb *mrb, + uint32_t *in_mbox) +{ + int rval = QLA_SUCCESS; + uint32_t i; + unsigned long flags; + uint32_t index = 0; + + /* Acquire hardware specific lock */ + spin_lock_irqsave(&ha->hardware_lock, flags); + + /* Get pointer to the queue entry for the marker */ + rval = qla4xxx_get_req_pkt(ha, (struct queue_entry **) &(mrb->mbox)); + if (rval != QLA_SUCCESS) + goto exit_mbox_iocb; + + index = ha->mrb_index; + /* get valid mrb index*/ + for (i = 0; i < MAX_MRB; i++) { + index++; + if (index == MAX_MRB) + index = 1; + if (ha->active_mrb_array[index] == NULL) { + ha->mrb_index = index; + break; + } + } + + mrb->iocb_cnt = 1; + ha->active_mrb_array[index] = mrb; + mrb->mbox->handle = index; + mrb->mbox->hdr.entryType = ET_MBOX_CMD; + mrb->mbox->hdr.entryCount = mrb->iocb_cnt; + memcpy(mrb->mbox->in_mbox, in_mbox, 32); + mrb->mbox_cmd = in_mbox[0]; + wmb(); + + ha->isp_ops->queue_iocb(ha); +exit_mbox_iocb: + spin_unlock_irqrestore(&ha->hardware_lock, flags); + return rval; +} + +int qla4xxx_ping_iocb(struct scsi_qla_host *ha, uint32_t options, + uint32_t payload_size, uint32_t pid, uint8_t *ipaddr) +{ + uint32_t in_mbox[8]; + struct mrb *mrb = NULL; + int rval = QLA_SUCCESS; + + memset(in_mbox, 0, sizeof(in_mbox)); + + mrb = qla4xxx_get_new_mrb(ha); + if (!mrb) { + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: fail to get new mrb\n", + __func__)); + rval = QLA_ERROR; + goto exit_ping; + } + + in_mbox[0] = MBOX_CMD_PING; + in_mbox[1] = options; + memcpy(&in_mbox[2], &ipaddr[0], 4); + memcpy(&in_mbox[3], &ipaddr[4], 4); + memcpy(&in_mbox[4], &ipaddr[8], 4); + memcpy(&in_mbox[5], &ipaddr[12], 4); + in_mbox[6] = payload_size; + + mrb->pid = pid; + rval = qla4xxx_send_mbox_iocb(ha, mrb, in_mbox); + + if (rval != QLA_SUCCESS) + goto exit_ping; + + return rval; +exit_ping: + kfree(mrb); + return rval; +} diff --git a/drivers/scsi/qla4xxx/ql4_isr.c b/drivers/scsi/qla4xxx/ql4_isr.c index 95828862eea..fc542a9bb10 100644 --- a/drivers/scsi/qla4xxx/ql4_isr.c +++ b/drivers/scsi/qla4xxx/ql4_isr.c @@ -385,6 +385,71 @@ static void qla4xxx_passthru_status_entry(struct scsi_qla_host *ha, queue_work(ha->task_wq, &task_data->task_work); } +static struct mrb *qla4xxx_del_mrb_from_active_array(struct scsi_qla_host *ha, + uint32_t index) +{ + struct mrb *mrb = NULL; + + /* validate handle and remove from active array */ + if (index >= MAX_MRB) + return mrb; + + mrb = ha->active_mrb_array[index]; + ha->active_mrb_array[index] = NULL; + if (!mrb) + return mrb; + + /* update counters */ + ha->req_q_count += mrb->iocb_cnt; + ha->iocb_cnt -= mrb->iocb_cnt; + + return mrb; +} + +static void qla4xxx_mbox_status_entry(struct scsi_qla_host *ha, + struct mbox_status_iocb *mbox_sts_entry) +{ + struct mrb *mrb; + uint32_t status; + uint32_t data_size; + + mrb = qla4xxx_del_mrb_from_active_array(ha, + le32_to_cpu(mbox_sts_entry->handle)); + + if (mrb == NULL) { + ql4_printk(KERN_WARNING, ha, "%s: mrb[%d] is null\n", __func__, + mbox_sts_entry->handle); + return; + } + + switch (mrb->mbox_cmd) { + case MBOX_CMD_PING: + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: mbox_cmd = 0x%x, " + "mbox_sts[0] = 0x%x, mbox_sts[6] = 0x%x\n", + __func__, mrb->mbox_cmd, + mbox_sts_entry->out_mbox[0], + mbox_sts_entry->out_mbox[6])); + + if (mbox_sts_entry->out_mbox[0] == MBOX_STS_COMMAND_COMPLETE) + status = ISCSI_PING_SUCCESS; + else + status = mbox_sts_entry->out_mbox[6]; + + data_size = sizeof(mbox_sts_entry->out_mbox); + + qla4xxx_post_ping_evt_work(ha, status, mrb->pid, data_size, + (uint8_t *) mbox_sts_entry->out_mbox); + break; + + default: + DEBUG2(ql4_printk(KERN_WARNING, ha, "%s: invalid mbox_cmd = " + "0x%x\n", __func__, mrb->mbox_cmd)); + } + + kfree(mrb); + return; +} + /** * qla4xxx_process_response_queue - process response queue completions * @ha: Pointer to host adapter structure. @@ -461,6 +526,13 @@ void qla4xxx_process_response_queue(struct scsi_qla_host *ha) "ignoring\n", ha->host_no, __func__)); break; + case ET_MBOX_STATUS: + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: mbox status IOCB\n", __func__)); + qla4xxx_mbox_status_entry(ha, + (struct mbox_status_iocb *)sts_entry); + break; + default: /* * Invalid entry in response queue, reset RISC @@ -576,6 +648,9 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha, set_bit(DPC_LINK_CHANGED, &ha->dpc_flags); ql4_printk(KERN_INFO, ha, "%s: LINK UP\n", __func__); + qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKUP, + sizeof(mbox_sts), + (uint8_t *) mbox_sts); break; case MBOX_ASTS_LINK_DOWN: @@ -584,6 +659,9 @@ static void qla4xxx_isr_decode_mailbox(struct scsi_qla_host * ha, set_bit(DPC_LINK_CHANGED, &ha->dpc_flags); ql4_printk(KERN_INFO, ha, "%s: LINK DOWN\n", __func__); + qla4xxx_post_aen_work(ha, ISCSI_EVENT_LINKDOWN, + sizeof(mbox_sts), + (uint8_t *) mbox_sts); break; case MBOX_ASTS_HEARTBEAT: diff --git a/drivers/scsi/qla4xxx/ql4_mbx.c b/drivers/scsi/qla4xxx/ql4_mbx.c index e1e66a45e4d..7ac21dabbf2 100644 --- a/drivers/scsi/qla4xxx/ql4_mbx.c +++ b/drivers/scsi/qla4xxx/ql4_mbx.c @@ -622,7 +622,7 @@ int qla4xxx_get_firmware_status(struct scsi_qla_host * ha) return QLA_ERROR; } - ql4_printk(KERN_INFO, ha, "%ld firmare IOCBs available (%d).\n", + ql4_printk(KERN_INFO, ha, "%ld firmware IOCBs available (%d).\n", ha->host_no, mbox_sts[2]); return QLA_SUCCESS; @@ -661,6 +661,8 @@ int qla4xxx_get_fwddb_entry(struct scsi_qla_host *ha, } memset(&mbox_cmd, 0, sizeof(mbox_cmd)); memset(&mbox_sts, 0, sizeof(mbox_sts)); + if (fw_ddb_entry) + memset(fw_ddb_entry, 0, sizeof(struct dev_db_entry)); mbox_cmd[0] = MBOX_CMD_GET_DATABASE_ENTRY; mbox_cmd[1] = (uint32_t) fw_ddb_index; @@ -1424,8 +1426,8 @@ exit_set_chap: * match is found. If a match is not found then add the entry in FLASH and * return the index at which entry is written in the FLASH. **/ -static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, - char *password, int bidi, uint16_t *chap_index) +int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, + char *password, int bidi, uint16_t *chap_index) { int i, rval; int free_index = -1; @@ -1444,6 +1446,11 @@ static int qla4xxx_get_chap_index(struct scsi_qla_host *ha, char *username, return QLA_ERROR; } + if (!username || !password) { + ql4_printk(KERN_ERR, ha, "Do not have username and psw\n"); + return QLA_ERROR; + } + mutex_lock(&ha->chap_sem); for (i = 0; i < max_chap_entries; i++) { chap_table = (struct ql4_chap_table *)ha->chap_list + i; @@ -1600,7 +1607,7 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, char *ip; uint16_t iscsi_opts = 0; uint32_t options = 0; - uint16_t idx; + uint16_t idx, *ptid; fw_ddb_entry = dma_alloc_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), &fw_ddb_entry_dma, GFP_KERNEL); @@ -1626,6 +1633,14 @@ int qla4xxx_set_param_ddbentry(struct scsi_qla_host *ha, goto exit_set_param; } + ptid = (uint16_t *)&fw_ddb_entry->isid[1]; + *ptid = cpu_to_le16((uint16_t)ddb_entry->sess->target_id); + + DEBUG2(ql4_printk(KERN_INFO, ha, "ISID [%02x%02x%02x%02x%02x%02x]\n", + fw_ddb_entry->isid[5], fw_ddb_entry->isid[4], + fw_ddb_entry->isid[3], fw_ddb_entry->isid[2], + fw_ddb_entry->isid[1], fw_ddb_entry->isid[0])); + iscsi_opts = le16_to_cpu(fw_ddb_entry->iscsi_options); memset(fw_ddb_entry->iscsi_alias, 0, sizeof(fw_ddb_entry->iscsi_alias)); diff --git a/drivers/scsi/qla4xxx/ql4_nx.c b/drivers/scsi/qla4xxx/ql4_nx.c index 78f1111158d..e1e46b6dac7 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.c +++ b/drivers/scsi/qla4xxx/ql4_nx.c @@ -10,6 +10,8 @@ #include "ql4_def.h" #include "ql4_glbl.h" +#include <asm-generic/io-64-nonatomic-lo-hi.h> + #define MASK(n) DMA_BIT_MASK(n) #define MN_WIN(addr) (((addr & 0x1fc0000) >> 1) | ((addr >> 25) & 0x3ff)) #define OCM_WIN(addr) (((addr & 0x1ff0000) >> 1) | ((addr >> 25) & 0x3ff)) @@ -655,27 +657,6 @@ static int qla4_8xxx_pci_is_same_window(struct scsi_qla_host *ha, return 0; } -#ifndef readq -static inline __u64 readq(const volatile void __iomem *addr) -{ - const volatile u32 __iomem *p = addr; - u32 low, high; - - low = readl(p); - high = readl(p + 1); - - return low + ((u64)high << 32); -} -#endif - -#ifndef writeq -static inline void writeq(__u64 val, volatile void __iomem *addr) -{ - writel(val, addr); - writel(val >> 32, addr+4); -} -#endif - static int qla4_8xxx_pci_mem_read_direct(struct scsi_qla_host *ha, u64 off, void *data, int size) { @@ -860,11 +841,8 @@ qla4_8xxx_rom_lock(struct scsi_qla_host *ha) done = qla4_8xxx_rd_32(ha, QLA82XX_PCIE_REG(PCIE_SEM2_LOCK)); if (done == 1) break; - if (timeout >= qla4_8xxx_rom_lock_timeout) { - ql4_printk(KERN_WARNING, ha, - "%s: Failed to acquire rom lock", __func__); + if (timeout >= qla4_8xxx_rom_lock_timeout) return -1; - } timeout++; @@ -1015,18 +993,6 @@ qla4_8xxx_pinit_from_rom(struct scsi_qla_host *ha, int verbose) else qla4_8xxx_wr_32(ha, QLA82XX_ROMUSB_GLB_SW_RESET, 0xffffffff); - /* reset ms */ - val = qla4_8xxx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); - val |= (1 << 1); - qla4_8xxx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); - - msleep(20); - /* unreset ms */ - val = qla4_8xxx_rd_32(ha, QLA82XX_CRB_QDR_NET + 0xe4); - val &= ~(1 << 1); - qla4_8xxx_wr_32(ha, QLA82XX_CRB_QDR_NET + 0xe4, val); - msleep(20); - qla4_8xxx_rom_unlock(ha); /* Read the signature value from the flash. diff --git a/drivers/scsi/qla4xxx/ql4_nx.h b/drivers/scsi/qla4xxx/ql4_nx.h index dc45ac92369..dc7500e47b8 100644 --- a/drivers/scsi/qla4xxx/ql4_nx.h +++ b/drivers/scsi/qla4xxx/ql4_nx.h @@ -623,6 +623,7 @@ struct crb_addr_pair { #define ADDR_ERROR ((unsigned long) 0xffffffff) #define MAX_CTL_CHECK 1000 +#define QLA82XX_FWERROR_CODE(code) ((code >> 8) & 0x1fffff) /*************************************************************************** * PCI related defines. diff --git a/drivers/scsi/qla4xxx/ql4_os.c b/drivers/scsi/qla4xxx/ql4_os.c index edf503437e9..ee47820c30a 100644 --- a/drivers/scsi/qla4xxx/ql4_os.c +++ b/drivers/scsi/qla4xxx/ql4_os.c @@ -32,14 +32,14 @@ static struct kmem_cache *srb_cachep; /* * Module parameter information and variables */ -int ql4xdisablesysfsboot = 1; +static int ql4xdisablesysfsboot = 1; module_param(ql4xdisablesysfsboot, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xdisablesysfsboot, " Set to disable exporting boot targets to sysfs.\n" "\t\t 0 - Export boot targets\n" "\t\t 1 - Do not export boot targets (Default)"); -int ql4xdontresethba = 0; +int ql4xdontresethba; module_param(ql4xdontresethba, int, S_IRUGO | S_IWUSR); MODULE_PARM_DESC(ql4xdontresethba, " Don't reset the HBA for driver recovery.\n" @@ -71,7 +71,7 @@ MODULE_PARM_DESC(ql4xmaxqdepth, static int ql4xsess_recovery_tmo = QL4_SESS_RECOVERY_TMO; module_param(ql4xsess_recovery_tmo, int, S_IRUGO); MODULE_PARM_DESC(ql4xsess_recovery_tmo, - "Target Session Recovery Timeout.\n" + " Target Session Recovery Timeout.\n" "\t\t Default: 120 sec."); static int qla4xxx_wait_for_hba_online(struct scsi_qla_host *ha); @@ -83,6 +83,8 @@ static void qla4xxx_config_dma_addressing(struct scsi_qla_host *ha); /* * iSCSI template entry points */ +static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, + enum iscsi_param param, char *buf); static int qla4xxx_conn_get_param(struct iscsi_cls_conn *conn, enum iscsi_param param, char *buf); static int qla4xxx_host_get_param(struct Scsi_Host *shost, @@ -118,6 +120,13 @@ static void qla4xxx_task_cleanup(struct iscsi_task *); static void qla4xxx_fail_session(struct iscsi_cls_session *cls_session); static void qla4xxx_conn_get_stats(struct iscsi_cls_conn *cls_conn, struct iscsi_stats *stats); +static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, + uint32_t iface_type, uint32_t payload_size, + uint32_t pid, struct sockaddr *dst_addr); +static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, + uint32_t *num_entries, char *buf); +static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx); + /* * SCSI host template entry points */ @@ -179,7 +188,7 @@ static struct iscsi_transport qla4xxx_iscsi_transport = { .destroy_conn = qla4xxx_conn_destroy, .set_param = iscsi_set_param, .get_conn_param = qla4xxx_conn_get_param, - .get_session_param = iscsi_session_get_param, + .get_session_param = qla4xxx_session_get_param, .get_ep_param = qla4xxx_get_ep_param, .ep_connect = qla4xxx_ep_connect, .ep_poll = qla4xxx_ep_poll, @@ -194,10 +203,93 @@ static struct iscsi_transport qla4xxx_iscsi_transport = { .set_iface_param = qla4xxx_iface_set_param, .get_iface_param = qla4xxx_get_iface_param, .bsg_request = qla4xxx_bsg_request, + .send_ping = qla4xxx_send_ping, + .get_chap = qla4xxx_get_chap_list, + .delete_chap = qla4xxx_delete_chap, }; static struct scsi_transport_template *qla4xxx_scsi_transport; +static int qla4xxx_send_ping(struct Scsi_Host *shost, uint32_t iface_num, + uint32_t iface_type, uint32_t payload_size, + uint32_t pid, struct sockaddr *dst_addr) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + struct sockaddr_in *addr; + struct sockaddr_in6 *addr6; + uint32_t options = 0; + uint8_t ipaddr[IPv6_ADDR_LEN]; + int rval; + + memset(ipaddr, 0, IPv6_ADDR_LEN); + /* IPv4 to IPv4 */ + if ((iface_type == ISCSI_IFACE_TYPE_IPV4) && + (dst_addr->sa_family == AF_INET)) { + addr = (struct sockaddr_in *)dst_addr; + memcpy(ipaddr, &addr->sin_addr.s_addr, IP_ADDR_LEN); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv4 Ping src: %pI4 " + "dest: %pI4\n", __func__, + &ha->ip_config.ip_address, ipaddr)); + rval = qla4xxx_ping_iocb(ha, options, payload_size, pid, + ipaddr); + if (rval) + rval = -EINVAL; + } else if ((iface_type == ISCSI_IFACE_TYPE_IPV6) && + (dst_addr->sa_family == AF_INET6)) { + /* IPv6 to IPv6 */ + addr6 = (struct sockaddr_in6 *)dst_addr; + memcpy(ipaddr, &addr6->sin6_addr.in6_u.u6_addr8, IPv6_ADDR_LEN); + + options |= PING_IPV6_PROTOCOL_ENABLE; + + /* Ping using LinkLocal address */ + if ((iface_num == 0) || (iface_num == 1)) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: LinkLocal Ping " + "src: %pI6 dest: %pI6\n", __func__, + &ha->ip_config.ipv6_link_local_addr, + ipaddr)); + options |= PING_IPV6_LINKLOCAL_ADDR; + rval = qla4xxx_ping_iocb(ha, options, payload_size, + pid, ipaddr); + } else { + ql4_printk(KERN_WARNING, ha, "%s: iface num = %d " + "not supported\n", __func__, iface_num); + rval = -ENOSYS; + goto exit_send_ping; + } + + /* + * If ping using LinkLocal address fails, try ping using + * IPv6 address + */ + if (rval != QLA_SUCCESS) { + options &= ~PING_IPV6_LINKLOCAL_ADDR; + if (iface_num == 0) { + options |= PING_IPV6_ADDR0; + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " + "Ping src: %pI6 " + "dest: %pI6\n", __func__, + &ha->ip_config.ipv6_addr0, + ipaddr)); + } else if (iface_num == 1) { + options |= PING_IPV6_ADDR1; + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: IPv6 " + "Ping src: %pI6 " + "dest: %pI6\n", __func__, + &ha->ip_config.ipv6_addr1, + ipaddr)); + } + rval = qla4xxx_ping_iocb(ha, options, payload_size, + pid, ipaddr); + if (rval) + rval = -EINVAL; + } + } else + rval = -ENOSYS; +exit_send_ping: + return rval; +} + static umode_t ql4_attr_is_visible(int param_type, int param) { switch (param_type) { @@ -206,6 +298,8 @@ static umode_t ql4_attr_is_visible(int param_type, int param) case ISCSI_HOST_PARAM_HWADDRESS: case ISCSI_HOST_PARAM_IPADDRESS: case ISCSI_HOST_PARAM_INITIATOR_NAME: + case ISCSI_HOST_PARAM_PORT_STATE: + case ISCSI_HOST_PARAM_PORT_SPEED: return S_IRUGO; default: return 0; @@ -225,6 +319,12 @@ static umode_t ql4_attr_is_visible(int param_type, int param) case ISCSI_PARAM_MAX_RECV_DLENGTH: case ISCSI_PARAM_MAX_XMIT_DLENGTH: case ISCSI_PARAM_IFACE_NAME: + case ISCSI_PARAM_CHAP_OUT_IDX: + case ISCSI_PARAM_CHAP_IN_IDX: + case ISCSI_PARAM_USERNAME: + case ISCSI_PARAM_PASSWORD: + case ISCSI_PARAM_USERNAME_IN: + case ISCSI_PARAM_PASSWORD_IN: return S_IRUGO; default: return 0; @@ -255,6 +355,189 @@ static umode_t ql4_attr_is_visible(int param_type, int param) return 0; } +static int qla4xxx_get_chap_list(struct Scsi_Host *shost, uint16_t chap_tbl_idx, + uint32_t *num_entries, char *buf) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + struct ql4_chap_table *chap_table; + struct iscsi_chap_rec *chap_rec; + int max_chap_entries = 0; + int valid_chap_entries = 0; + int ret = 0, i; + + if (is_qla8022(ha)) + max_chap_entries = (ha->hw.flt_chap_size / 2) / + sizeof(struct ql4_chap_table); + else + max_chap_entries = MAX_CHAP_ENTRIES_40XX; + + ql4_printk(KERN_INFO, ha, "%s: num_entries = %d, CHAP idx = %d\n", + __func__, *num_entries, chap_tbl_idx); + + if (!buf) { + ret = -ENOMEM; + goto exit_get_chap_list; + } + + chap_rec = (struct iscsi_chap_rec *) buf; + mutex_lock(&ha->chap_sem); + for (i = chap_tbl_idx; i < max_chap_entries; i++) { + chap_table = (struct ql4_chap_table *)ha->chap_list + i; + if (chap_table->cookie != + __constant_cpu_to_le16(CHAP_VALID_COOKIE)) + continue; + + chap_rec->chap_tbl_idx = i; + strncpy(chap_rec->username, chap_table->name, + ISCSI_CHAP_AUTH_NAME_MAX_LEN); + strncpy(chap_rec->password, chap_table->secret, + QL4_CHAP_MAX_SECRET_LEN); + chap_rec->password_length = chap_table->secret_len; + + if (chap_table->flags & BIT_7) /* local */ + chap_rec->chap_type = CHAP_TYPE_OUT; + + if (chap_table->flags & BIT_6) /* peer */ + chap_rec->chap_type = CHAP_TYPE_IN; + + chap_rec++; + + valid_chap_entries++; + if (valid_chap_entries == *num_entries) + break; + else + continue; + } + mutex_unlock(&ha->chap_sem); + +exit_get_chap_list: + ql4_printk(KERN_INFO, ha, "%s: Valid CHAP Entries = %d\n", + __func__, valid_chap_entries); + *num_entries = valid_chap_entries; + return ret; +} + +static int __qla4xxx_is_chap_active(struct device *dev, void *data) +{ + int ret = 0; + uint16_t *chap_tbl_idx = (uint16_t *) data; + struct iscsi_cls_session *cls_session; + struct iscsi_session *sess; + struct ddb_entry *ddb_entry; + + if (!iscsi_is_session_dev(dev)) + goto exit_is_chap_active; + + cls_session = iscsi_dev_to_session(dev); + sess = cls_session->dd_data; + ddb_entry = sess->dd_data; + + if (iscsi_session_chkready(cls_session)) + goto exit_is_chap_active; + + if (ddb_entry->chap_tbl_idx == *chap_tbl_idx) + ret = 1; + +exit_is_chap_active: + return ret; +} + +static int qla4xxx_is_chap_active(struct Scsi_Host *shost, + uint16_t chap_tbl_idx) +{ + int ret = 0; + + ret = device_for_each_child(&shost->shost_gendev, &chap_tbl_idx, + __qla4xxx_is_chap_active); + + return ret; +} + +static int qla4xxx_delete_chap(struct Scsi_Host *shost, uint16_t chap_tbl_idx) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + struct ql4_chap_table *chap_table; + dma_addr_t chap_dma; + int max_chap_entries = 0; + uint32_t offset = 0; + uint32_t chap_size; + int ret = 0; + + chap_table = dma_pool_alloc(ha->chap_dma_pool, GFP_KERNEL, &chap_dma); + if (chap_table == NULL) + return -ENOMEM; + + memset(chap_table, 0, sizeof(struct ql4_chap_table)); + + if (is_qla8022(ha)) + max_chap_entries = (ha->hw.flt_chap_size / 2) / + sizeof(struct ql4_chap_table); + else + max_chap_entries = MAX_CHAP_ENTRIES_40XX; + + if (chap_tbl_idx > max_chap_entries) { + ret = -EINVAL; + goto exit_delete_chap; + } + + /* Check if chap index is in use. + * If chap is in use don't delet chap entry */ + ret = qla4xxx_is_chap_active(shost, chap_tbl_idx); + if (ret) { + ql4_printk(KERN_INFO, ha, "CHAP entry %d is in use, cannot " + "delete from flash\n", chap_tbl_idx); + ret = -EBUSY; + goto exit_delete_chap; + } + + chap_size = sizeof(struct ql4_chap_table); + if (is_qla40XX(ha)) + offset = FLASH_CHAP_OFFSET | (chap_tbl_idx * chap_size); + else { + offset = FLASH_RAW_ACCESS_ADDR + (ha->hw.flt_region_chap << 2); + /* flt_chap_size is CHAP table size for both ports + * so divide it by 2 to calculate the offset for second port + */ + if (ha->port_num == 1) + offset += (ha->hw.flt_chap_size / 2); + offset += (chap_tbl_idx * chap_size); + } + + ret = qla4xxx_get_flash(ha, chap_dma, offset, chap_size); + if (ret != QLA_SUCCESS) { + ret = -EINVAL; + goto exit_delete_chap; + } + + DEBUG2(ql4_printk(KERN_INFO, ha, "Chap Cookie: x%x\n", + __le16_to_cpu(chap_table->cookie))); + + if (__le16_to_cpu(chap_table->cookie) != CHAP_VALID_COOKIE) { + ql4_printk(KERN_ERR, ha, "No valid chap entry found\n"); + goto exit_delete_chap; + } + + chap_table->cookie = __constant_cpu_to_le16(0xFFFF); + + offset = FLASH_CHAP_OFFSET | + (chap_tbl_idx * sizeof(struct ql4_chap_table)); + ret = qla4xxx_set_flash(ha, chap_dma, offset, chap_size, + FLASH_OPT_RMW_COMMIT); + if (ret == QLA_SUCCESS && ha->chap_list) { + mutex_lock(&ha->chap_sem); + /* Update ha chap_list cache */ + memcpy((struct ql4_chap_table *)ha->chap_list + chap_tbl_idx, + chap_table, sizeof(struct ql4_chap_table)); + mutex_unlock(&ha->chap_sem); + } + if (ret != QLA_SUCCESS) + ret = -EINVAL; + +exit_delete_chap: + dma_pool_free(ha->chap_dma_pool, chap_table, chap_dma); + return ret; +} + static int qla4xxx_get_iface_param(struct iscsi_iface *iface, enum iscsi_param_type param_type, int param, char *buf) @@ -548,6 +831,43 @@ static enum blk_eh_timer_return qla4xxx_eh_cmd_timed_out(struct scsi_cmnd *sc) return ret; } +static void qla4xxx_set_port_speed(struct Scsi_Host *shost) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + struct iscsi_cls_host *ihost = shost->shost_data; + uint32_t speed = ISCSI_PORT_SPEED_UNKNOWN; + + qla4xxx_get_firmware_state(ha); + + switch (ha->addl_fw_state & 0x0F00) { + case FW_ADDSTATE_LINK_SPEED_10MBPS: + speed = ISCSI_PORT_SPEED_10MBPS; + break; + case FW_ADDSTATE_LINK_SPEED_100MBPS: + speed = ISCSI_PORT_SPEED_100MBPS; + break; + case FW_ADDSTATE_LINK_SPEED_1GBPS: + speed = ISCSI_PORT_SPEED_1GBPS; + break; + case FW_ADDSTATE_LINK_SPEED_10GBPS: + speed = ISCSI_PORT_SPEED_10GBPS; + break; + } + ihost->port_speed = speed; +} + +static void qla4xxx_set_port_state(struct Scsi_Host *shost) +{ + struct scsi_qla_host *ha = to_qla_host(shost); + struct iscsi_cls_host *ihost = shost->shost_data; + uint32_t state = ISCSI_PORT_STATE_DOWN; + + if (test_bit(AF_LINK_UP, &ha->flags)) + state = ISCSI_PORT_STATE_UP; + + ihost->port_state = state; +} + static int qla4xxx_host_get_param(struct Scsi_Host *shost, enum iscsi_host_param param, char *buf) { @@ -564,6 +884,14 @@ static int qla4xxx_host_get_param(struct Scsi_Host *shost, case ISCSI_HOST_PARAM_INITIATOR_NAME: len = sprintf(buf, "%s\n", ha->name_string); break; + case ISCSI_HOST_PARAM_PORT_STATE: + qla4xxx_set_port_state(shost); + len = sprintf(buf, "%s\n", iscsi_get_port_state_name(shost)); + break; + case ISCSI_HOST_PARAM_PORT_SPEED: + qla4xxx_set_port_speed(shost); + len = sprintf(buf, "%s\n", iscsi_get_port_speed_name(shost)); + break; default: return -ENOSYS; } @@ -968,6 +1296,41 @@ exit_init_fw_cb: return rval; } +static int qla4xxx_session_get_param(struct iscsi_cls_session *cls_sess, + enum iscsi_param param, char *buf) +{ + struct iscsi_session *sess = cls_sess->dd_data; + struct ddb_entry *ddb_entry = sess->dd_data; + struct scsi_qla_host *ha = ddb_entry->ha; + int rval, len; + uint16_t idx; + + switch (param) { + case ISCSI_PARAM_CHAP_IN_IDX: + rval = qla4xxx_get_chap_index(ha, sess->username_in, + sess->password_in, BIDI_CHAP, + &idx); + if (rval) + return -EINVAL; + + len = sprintf(buf, "%hu\n", idx); + break; + case ISCSI_PARAM_CHAP_OUT_IDX: + rval = qla4xxx_get_chap_index(ha, sess->username, + sess->password, LOCAL_CHAP, + &idx); + if (rval) + return -EINVAL; + + len = sprintf(buf, "%hu\n", idx); + break; + default: + return iscsi_session_get_param(cls_sess, param, buf); + } + + return len; +} + static int qla4xxx_conn_get_param(struct iscsi_cls_conn *cls_conn, enum iscsi_param param, char *buf) { @@ -1506,13 +1869,17 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, { int buflen = 0; struct iscsi_session *sess; + struct ddb_entry *ddb_entry; struct iscsi_conn *conn; char ip_addr[DDB_IPADDR_LEN]; uint16_t options = 0; sess = cls_sess->dd_data; + ddb_entry = sess->dd_data; conn = cls_conn->dd_data; + ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); + conn->max_recv_dlength = BYTE_UNITS * le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); @@ -1552,6 +1919,8 @@ static void qla4xxx_copy_fwddb_param(struct scsi_qla_host *ha, (char *)ha->name_string, buflen); iscsi_set_param(cls_conn, ISCSI_PARAM_PERSISTENT_ADDRESS, (char *)ip_addr, buflen); + iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, + (char *)fw_ddb_entry->iscsi_alias, buflen); } void qla4xxx_update_session_conn_fwddb_param(struct scsi_qla_host *ha, @@ -1638,6 +2007,7 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, le16_to_cpu(fw_ddb_entry->iscsi_def_time2wait); /* Update params */ + ddb_entry->chap_tbl_idx = le16_to_cpu(fw_ddb_entry->chap_tbl_idx); conn->max_recv_dlength = BYTE_UNITS * le16_to_cpu(fw_ddb_entry->iscsi_max_rcv_data_seg_len); @@ -1666,6 +2036,9 @@ void qla4xxx_update_session_conn_param(struct scsi_qla_host *ha, memcpy(sess->initiatorname, ha->name_string, min(sizeof(ha->name_string), sizeof(sess->initiatorname))); + iscsi_set_param(cls_conn, ISCSI_PARAM_TARGET_ALIAS, + (char *)fw_ddb_entry->iscsi_alias, 0); + exit_session_conn_param: if (fw_ddb_entry) dma_free_coherent(&ha->pdev->dev, sizeof(*fw_ddb_entry), @@ -2113,7 +2486,7 @@ void qla4_8xxx_watchdog(struct scsi_qla_host *ha) halt_status = qla4_8xxx_rd_32(ha, QLA82XX_PEG_HALT_STATUS1); - if (LSW(MSB(halt_status)) == 0x67) + if (QLA82XX_FWERROR_CODE(halt_status) == 0x67) ql4_printk(KERN_ERR, ha, "%s:" " Firmware aborted with" " error code 0x00006700." @@ -2230,6 +2603,10 @@ static void qla4xxx_timer(struct scsi_qla_host *ha) } } + /* Process any deferred work. */ + if (!list_empty(&ha->work_list)) + start_dpc++; + /* Wakeup the dpc routine for this adapter, if needed. */ if (start_dpc || test_bit(DPC_RESET_HA, &ha->dpc_flags) || @@ -2795,6 +3172,109 @@ void qla4xxx_wake_dpc(struct scsi_qla_host *ha) queue_work(ha->dpc_thread, &ha->dpc_work); } +static struct qla4_work_evt * +qla4xxx_alloc_work(struct scsi_qla_host *ha, uint32_t data_size, + enum qla4_work_type type) +{ + struct qla4_work_evt *e; + uint32_t size = sizeof(struct qla4_work_evt) + data_size; + + e = kzalloc(size, GFP_ATOMIC); + if (!e) + return NULL; + + INIT_LIST_HEAD(&e->list); + e->type = type; + return e; +} + +static void qla4xxx_post_work(struct scsi_qla_host *ha, + struct qla4_work_evt *e) +{ + unsigned long flags; + + spin_lock_irqsave(&ha->work_lock, flags); + list_add_tail(&e->list, &ha->work_list); + spin_unlock_irqrestore(&ha->work_lock, flags); + qla4xxx_wake_dpc(ha); +} + +int qla4xxx_post_aen_work(struct scsi_qla_host *ha, + enum iscsi_host_event_code aen_code, + uint32_t data_size, uint8_t *data) +{ + struct qla4_work_evt *e; + + e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_AEN); + if (!e) + return QLA_ERROR; + + e->u.aen.code = aen_code; + e->u.aen.data_size = data_size; + memcpy(e->u.aen.data, data, data_size); + + qla4xxx_post_work(ha, e); + + return QLA_SUCCESS; +} + +int qla4xxx_post_ping_evt_work(struct scsi_qla_host *ha, + uint32_t status, uint32_t pid, + uint32_t data_size, uint8_t *data) +{ + struct qla4_work_evt *e; + + e = qla4xxx_alloc_work(ha, data_size, QLA4_EVENT_PING_STATUS); + if (!e) + return QLA_ERROR; + + e->u.ping.status = status; + e->u.ping.pid = pid; + e->u.ping.data_size = data_size; + memcpy(e->u.ping.data, data, data_size); + + qla4xxx_post_work(ha, e); + + return QLA_SUCCESS; +} + +static void qla4xxx_do_work(struct scsi_qla_host *ha) +{ + struct qla4_work_evt *e, *tmp; + unsigned long flags; + LIST_HEAD(work); + + spin_lock_irqsave(&ha->work_lock, flags); + list_splice_init(&ha->work_list, &work); + spin_unlock_irqrestore(&ha->work_lock, flags); + + list_for_each_entry_safe(e, tmp, &work, list) { + list_del_init(&e->list); + + switch (e->type) { + case QLA4_EVENT_AEN: + iscsi_post_host_event(ha->host_no, + &qla4xxx_iscsi_transport, + e->u.aen.code, + e->u.aen.data_size, + e->u.aen.data); + break; + case QLA4_EVENT_PING_STATUS: + iscsi_ping_comp_event(ha->host_no, + &qla4xxx_iscsi_transport, + e->u.ping.status, + e->u.ping.pid, + e->u.ping.data_size, + e->u.ping.data); + break; + default: + ql4_printk(KERN_WARNING, ha, "event type: 0x%x not " + "supported", e->type); + } + kfree(e); + } +} + /** * qla4xxx_do_dpc - dpc routine * @data: in our case pointer to adapter structure @@ -2826,6 +3306,9 @@ static void qla4xxx_do_dpc(struct work_struct *work) return; } + /* post events to application */ + qla4xxx_do_work(ha); + if (is_qla8022(ha)) { if (test_bit(DPC_HA_UNRECOVERABLE, &ha->dpc_flags)) { qla4_8xxx_idc_lock(ha); @@ -2962,7 +3445,6 @@ static void qla4xxx_free_adapter(struct scsi_qla_host *ha) int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) { int status = 0; - uint8_t revision_id; unsigned long mem_base, mem_len, db_base, db_len; struct pci_dev *pdev = ha->pdev; @@ -2974,10 +3456,9 @@ int qla4_8xxx_iospace_config(struct scsi_qla_host *ha) goto iospace_error_exit; } - pci_read_config_byte(pdev, PCI_REVISION_ID, &revision_id); DEBUG2(printk(KERN_INFO "%s: revision-id=%d\n", - __func__, revision_id)); - ha->revision_id = revision_id; + __func__, pdev->revision)); + ha->revision_id = pdev->revision; /* remap phys address */ mem_base = pci_resource_start(pdev, 0); /* 0 is for BAR 0 */ @@ -3341,9 +3822,8 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) /* Check Boot Mode */ val = rd_nvram_byte(ha, addr); if (!(val & 0x07)) { - DEBUG2(ql4_printk(KERN_ERR, ha, - "%s: Failed Boot options : 0x%x\n", - __func__, val)); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Adapter boot " + "options : 0x%x\n", __func__, val)); ret = QLA_ERROR; goto exit_boot_info; } @@ -3388,9 +3868,8 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) } /* Check Boot Mode */ if (!(buf[1] & 0x07)) { - DEBUG2(ql4_printk(KERN_INFO, ha, - "Failed: Boot options : 0x%x\n", - buf[1])); + DEBUG2(ql4_printk(KERN_INFO, ha, "Firmware boot options" + " : 0x%x\n", buf[1])); ret = QLA_ERROR; goto exit_boot_info_free; } @@ -3411,12 +3890,11 @@ static int get_fw_boot_info(struct scsi_qla_host *ha, uint16_t ddb_index[]) " target ID %d\n", __func__, ddb_index[0], ddb_index[1])); - ha->pri_ddb_idx = ddb_index[0]; - ha->sec_ddb_idx = ddb_index[1]; - exit_boot_info_free: dma_free_coherent(&ha->pdev->dev, size, buf, buf_dma); exit_boot_info: + ha->pri_ddb_idx = ddb_index[0]; + ha->sec_ddb_idx = ddb_index[1]; return ret; } @@ -3497,8 +3975,8 @@ static int qla4xxx_get_boot_target(struct scsi_qla_host *ha, if (qla4xxx_bootdb_by_index(ha, fw_ddb_entry, fw_ddb_entry_dma, ddb_index)) { - DEBUG2(ql4_printk(KERN_ERR, ha, - "%s: Flash DDB read Failed\n", __func__)); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: No Flash DDB found at " + "index [%d]\n", __func__, ddb_index)); ret = QLA_ERROR; goto exit_boot_target; } @@ -3576,8 +4054,8 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) ddb_index[1] = 0xffff; ret = get_fw_boot_info(ha, ddb_index); if (ret != QLA_SUCCESS) { - DEBUG2(ql4_printk(KERN_ERR, ha, - "%s: Failed to set boot info.\n", __func__)); + DEBUG2(ql4_printk(KERN_INFO, ha, + "%s: No boot target configured.\n", __func__)); return ret; } @@ -3590,8 +4068,8 @@ static int qla4xxx_get_boot_info(struct scsi_qla_host *ha) rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_pri_sess), ddb_index[0]); if (rval != QLA_SUCCESS) { - DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get " - "primary target\n", __func__)); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Primary boot target not " + "configured\n", __func__)); } else ret = QLA_SUCCESS; @@ -3602,8 +4080,8 @@ sec_target: rval = qla4xxx_get_boot_target(ha, &(ha->boot_tgt.boot_sec_sess), ddb_index[1]); if (rval != QLA_SUCCESS) { - DEBUG2(ql4_printk(KERN_ERR, ha, "%s: Failed to get " - "secondary target\n", __func__)); + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: Secondary boot target not" + " configured\n", __func__)); } else ret = QLA_SUCCESS; @@ -3772,11 +4250,13 @@ static void qla4xxx_convert_param_ddb(struct dev_db_entry *fw_ddb_entry, sprintf(tddb->ip_addr, "%pI4", fw_ddb_entry->ip_addr); tddb->port = le16_to_cpu(fw_ddb_entry->port); + memcpy(&tddb->isid[0], &fw_ddb_entry->isid[0], sizeof(tddb->isid)); } static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, struct ql4_tuple_ddb *old_tddb, - struct ql4_tuple_ddb *new_tddb) + struct ql4_tuple_ddb *new_tddb, + uint8_t is_isid_compare) { if (strcmp(old_tddb->iscsi_name, new_tddb->iscsi_name)) return QLA_ERROR; @@ -3787,6 +4267,26 @@ static int qla4xxx_compare_tuple_ddb(struct scsi_qla_host *ha, if (old_tddb->port != new_tddb->port) return QLA_ERROR; + /* For multi sessions, driver generates the ISID, so do not compare + * ISID in reset path since it would be a comparision between the + * driver generated ISID and firmware generated ISID. This could + * lead to adding duplicated DDBs in the list as driver generated + * ISID would not match firmware generated ISID. + */ + if (is_isid_compare) { + DEBUG2(ql4_printk(KERN_INFO, ha, "%s: old ISID [%02x%02x%02x" + "%02x%02x%02x] New ISID [%02x%02x%02x%02x%02x%02x]\n", + __func__, old_tddb->isid[5], old_tddb->isid[4], + old_tddb->isid[3], old_tddb->isid[2], old_tddb->isid[1], + old_tddb->isid[0], new_tddb->isid[5], new_tddb->isid[4], + new_tddb->isid[3], new_tddb->isid[2], new_tddb->isid[1], + new_tddb->isid[0])); + + if (memcmp(&old_tddb->isid[0], &new_tddb->isid[0], + sizeof(old_tddb->isid))) + return QLA_ERROR; + } + DEBUG2(ql4_printk(KERN_INFO, ha, "Match Found, fw[%d,%d,%s,%s], [%d,%d,%s,%s]", old_tddb->port, old_tddb->tpgt, old_tddb->ip_addr, @@ -3829,7 +4329,7 @@ static int qla4xxx_is_session_exists(struct scsi_qla_host *ha, continue; qla4xxx_get_param_ddb(ddb_entry, tmp_tddb); - if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) { + if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, false)) { ret = QLA_SUCCESS; /* found */ goto exit_check; } @@ -3872,7 +4372,7 @@ static int qla4xxx_is_flash_ddb_exists(struct scsi_qla_host *ha, list_for_each_entry_safe(nt_ddb_idx, nt_ddb_idx_tmp, list_nt, list) { qla4xxx_convert_param_ddb(&nt_ddb_idx->fw_ddb, tmp_tddb); - if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb)) { + if (!qla4xxx_compare_tuple_ddb(ha, fw_tddb, tmp_tddb, true)) { ret = QLA_SUCCESS; /* found */ goto exit_check; } @@ -4038,6 +4538,10 @@ static void qla4xxx_build_st_list(struct scsi_qla_host *ha, if (ret == QLA_ERROR) break; + /* Ignore DDB if invalid state (unassigned) */ + if (state == DDB_DS_UNASSIGNED) + goto continue_next_st; + /* Check if ST, add to the list_st */ if (strlen((char *) fw_ddb_entry->iscsi_name) != 0) goto continue_next_st; @@ -4397,6 +4901,9 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, spin_lock_init(&ha->hardware_lock); + /* Initialize work list */ + INIT_LIST_HEAD(&ha->work_list); + /* Allocate dma buffers */ if (qla4xxx_mem_alloc(ha)) { ql4_printk(KERN_WARNING, ha, @@ -4524,8 +5031,8 @@ static int __devinit qla4xxx_probe_adapter(struct pci_dev *pdev, ha->patch_number, ha->build_number); if (qla4xxx_setup_boot_info(ha)) - ql4_printk(KERN_ERR, ha, "%s:ISCSI boot info setup failed\n", - __func__); + ql4_printk(KERN_ERR, ha, + "%s: No iSCSI boot target configured\n", __func__); /* Perform the build ddb list and login to each */ qla4xxx_build_ddb_list(ha, INIT_ADAPTER); diff --git a/drivers/scsi/qla4xxx/ql4_version.h b/drivers/scsi/qla4xxx/ql4_version.h index 133989b3a9f..97b30c108e3 100644 --- a/drivers/scsi/qla4xxx/ql4_version.h +++ b/drivers/scsi/qla4xxx/ql4_version.h @@ -5,4 +5,4 @@ * See LICENSE.qla4xxx for copyright and licensing details. */ -#define QLA4XXX_DRIVER_VERSION "5.02.00-k12" +#define QLA4XXX_DRIVER_VERSION "5.02.00-k16" diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c index e40dc1cb09a..b191dd54920 100644 --- a/drivers/scsi/qlogicpti.c +++ b/drivers/scsi/qlogicpti.c @@ -35,7 +35,6 @@ #include "qlogicpti.h" #include <asm/dma.h> -#include <asm/system.h> #include <asm/ptrace.h> #include <asm/pgtable.h> #include <asm/oplib.h> diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c index 2aeb2e9c4d3..07322ecff90 100644 --- a/drivers/scsi/scsi.c +++ b/drivers/scsi/scsi.c @@ -782,12 +782,6 @@ static void scsi_done(struct scsi_cmnd *cmd) blk_complete_request(cmd->request); } -/* Move this to a header if it becomes more generally useful */ -static struct scsi_driver *scsi_cmd_to_driver(struct scsi_cmnd *cmd) -{ - return *(struct scsi_driver **)cmd->request->rq_disk->private_data; -} - /** * scsi_finish_command - cleanup and pass command back to upper layer * @cmd: the command diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c index 6888b2ca5bf..182d5a57ab7 100644 --- a/drivers/scsi/scsi_debug.c +++ b/drivers/scsi/scsi_debug.c @@ -101,6 +101,7 @@ static const char * scsi_debug_version_date = "20100324"; #define DEF_LBPU 0 #define DEF_LBPWS 0 #define DEF_LBPWS10 0 +#define DEF_LBPRZ 1 #define DEF_LOWEST_ALIGNED 0 #define DEF_NO_LUN_0 0 #define DEF_NUM_PARTS 0 @@ -126,6 +127,7 @@ static const char * scsi_debug_version_date = "20100324"; #define SCSI_DEBUG_OPT_TRANSPORT_ERR 16 #define SCSI_DEBUG_OPT_DIF_ERR 32 #define SCSI_DEBUG_OPT_DIX_ERR 64 +#define SCSI_DEBUG_OPT_MAC_TIMEOUT 128 /* When "every_nth" > 0 then modulo "every_nth" commands: * - a no response is simulated if SCSI_DEBUG_OPT_TIMEOUT is set * - a RECOVERED_ERROR is simulated on successful read and write @@ -185,6 +187,7 @@ static int scsi_debug_vpd_use_hostno = DEF_VPD_USE_HOSTNO; static unsigned int scsi_debug_lbpu = DEF_LBPU; static unsigned int scsi_debug_lbpws = DEF_LBPWS; static unsigned int scsi_debug_lbpws10 = DEF_LBPWS10; +static unsigned int scsi_debug_lbprz = DEF_LBPRZ; static unsigned int scsi_debug_unmap_alignment = DEF_UNMAP_ALIGNMENT; static unsigned int scsi_debug_unmap_granularity = DEF_UNMAP_GRANULARITY; static unsigned int scsi_debug_unmap_max_blocks = DEF_UNMAP_MAX_BLOCKS; @@ -774,10 +777,10 @@ static int inquiry_evpd_b1(unsigned char *arr) return 0x3c; } -/* Thin provisioning VPD page (SBC-3) */ +/* Logical block provisioning VPD page (SBC-3) */ static int inquiry_evpd_b2(unsigned char *arr) { - memset(arr, 0, 0x8); + memset(arr, 0, 0x4); arr[0] = 0; /* threshold exponent */ if (scsi_debug_lbpu) @@ -789,7 +792,10 @@ static int inquiry_evpd_b2(unsigned char *arr) if (scsi_debug_lbpws10) arr[1] |= 1 << 5; - return 0x8; + if (scsi_debug_lbprz) + arr[1] |= 1 << 2; + + return 0x4; } #define SDEBUG_LONG_INQ_SZ 96 @@ -1070,8 +1076,11 @@ static int resp_readcap16(struct scsi_cmnd * scp, arr[13] = scsi_debug_physblk_exp & 0xf; arr[14] = (scsi_debug_lowest_aligned >> 8) & 0x3f; - if (scsi_debug_lbp()) + if (scsi_debug_lbp()) { arr[14] |= 0x80; /* LBPME */ + if (scsi_debug_lbprz) + arr[14] |= 0x40; /* LBPRZ */ + } arr[15] = scsi_debug_lowest_aligned & 0xff; @@ -1778,7 +1787,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec, scsi_for_each_prot_sg(SCpnt, psgl, scsi_prot_sg_count(SCpnt), i) { int len = min(psgl->length, resid); - paddr = kmap_atomic(sg_page(psgl), KM_IRQ0) + psgl->offset; + paddr = kmap_atomic(sg_page(psgl)) + psgl->offset; memcpy(paddr, dif_storep + dif_offset(sector), len); sector += len >> 3; @@ -1788,7 +1797,7 @@ static int prot_verify_read(struct scsi_cmnd *SCpnt, sector_t start_sec, sector = do_div(tmp_sec, sdebug_store_sectors); } resid -= len; - kunmap_atomic(paddr, KM_IRQ0); + kunmap_atomic(paddr); } dix_reads++; @@ -1881,12 +1890,12 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec, BUG_ON(scsi_sg_count(SCpnt) == 0); BUG_ON(scsi_prot_sg_count(SCpnt) == 0); - paddr = kmap_atomic(sg_page(psgl), KM_IRQ1) + psgl->offset; + paddr = kmap_atomic(sg_page(psgl)) + psgl->offset; ppage_offset = 0; /* For each data page */ scsi_for_each_sg(SCpnt, dsgl, scsi_sg_count(SCpnt), i) { - daddr = kmap_atomic(sg_page(dsgl), KM_IRQ0) + dsgl->offset; + daddr = kmap_atomic(sg_page(dsgl)) + dsgl->offset; /* For each sector-sized chunk in data page */ for (j = 0 ; j < dsgl->length ; j += scsi_debug_sector_size) { @@ -1895,10 +1904,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec, * protection page advance to the next one */ if (ppage_offset >= psgl->length) { - kunmap_atomic(paddr, KM_IRQ1); + kunmap_atomic(paddr); psgl = sg_next(psgl); BUG_ON(psgl == NULL); - paddr = kmap_atomic(sg_page(psgl), KM_IRQ1) + paddr = kmap_atomic(sg_page(psgl)) + psgl->offset; ppage_offset = 0; } @@ -1971,10 +1980,10 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec, ppage_offset += sizeof(struct sd_dif_tuple); } - kunmap_atomic(daddr, KM_IRQ0); + kunmap_atomic(daddr); } - kunmap_atomic(paddr, KM_IRQ1); + kunmap_atomic(paddr); dix_writes++; @@ -1982,8 +1991,8 @@ static int prot_verify_write(struct scsi_cmnd *SCpnt, sector_t start_sec, out: dif_errors++; - kunmap_atomic(daddr, KM_IRQ0); - kunmap_atomic(paddr, KM_IRQ1); + kunmap_atomic(daddr); + kunmap_atomic(paddr); return ret; } @@ -2045,10 +2054,13 @@ static void unmap_region(sector_t lba, unsigned int len) block = lba + alignment; rem = do_div(block, granularity); - if (rem == 0 && lba + granularity <= end && - block < map_size) + if (rem == 0 && lba + granularity <= end && block < map_size) { clear_bit(block, map_storep); - + if (scsi_debug_lbprz) + memset(fake_storep + + block * scsi_debug_sector_size, 0, + scsi_debug_sector_size); + } lba += granularity - rem; } } @@ -2220,7 +2232,7 @@ static int resp_get_lba_status(struct scsi_cmnd * scmd, mapped = map_state(lba, &num); memset(arr, 0, SDEBUG_GET_LBA_STATUS_LEN); - put_unaligned_be32(16, &arr[0]); /* Parameter Data Length */ + put_unaligned_be32(20, &arr[0]); /* Parameter Data Length */ put_unaligned_be64(lba, &arr[8]); /* LBA */ put_unaligned_be32(num, &arr[16]); /* Number of blocks */ arr[20] = !mapped; /* mapped = 0, unmapped = 1 */ @@ -2303,7 +2315,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba, offset = 0; for_each_sg(sdb->table.sgl, sg, sdb->table.nents, i) { - kaddr = (unsigned char *)kmap_atomic(sg_page(sg), KM_USER0); + kaddr = (unsigned char *)kmap_atomic(sg_page(sg)); if (!kaddr) goto out; @@ -2311,7 +2323,7 @@ static int resp_xdwriteread(struct scsi_cmnd *scp, unsigned long long lba, *(kaddr + sg->offset + j) ^= *(buf + offset + j); offset += sg->length; - kunmap_atomic(kaddr, KM_USER0); + kunmap_atomic(kaddr); } ret = 0; out: @@ -2730,6 +2742,7 @@ module_param_named(guard, scsi_debug_guard, int, S_IRUGO); module_param_named(lbpu, scsi_debug_lbpu, int, S_IRUGO); module_param_named(lbpws, scsi_debug_lbpws, int, S_IRUGO); module_param_named(lbpws10, scsi_debug_lbpws10, int, S_IRUGO); +module_param_named(lbprz, scsi_debug_lbprz, int, S_IRUGO); module_param_named(lowest_aligned, scsi_debug_lowest_aligned, int, S_IRUGO); module_param_named(max_luns, scsi_debug_max_luns, int, S_IRUGO | S_IWUSR); module_param_named(max_queue, scsi_debug_max_queue, int, S_IRUGO | S_IWUSR); @@ -2771,6 +2784,7 @@ MODULE_PARM_DESC(guard, "protection checksum: 0=crc, 1=ip (def=0)"); MODULE_PARM_DESC(lbpu, "enable LBP, support UNMAP command (def=0)"); MODULE_PARM_DESC(lbpws, "enable LBP, support WRITE SAME(16) with UNMAP bit (def=0)"); MODULE_PARM_DESC(lbpws10, "enable LBP, support WRITE SAME(10) with UNMAP bit (def=0)"); +MODULE_PARM_DESC(lbprz, "unmapped blocks return 0 on read (def=1)"); MODULE_PARM_DESC(lowest_aligned, "lowest aligned lba (def=0)"); MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)"); MODULE_PARM_DESC(max_queue, "max number of queued commands (1 to 255(def))"); @@ -3615,6 +3629,9 @@ int scsi_debug_queuecommand_lck(struct scsi_cmnd *SCpnt, done_funct_t done) scsi_debug_every_nth = -1; if (SCSI_DEBUG_OPT_TIMEOUT & scsi_debug_opts) return 0; /* ignore command causing timeout */ + else if (SCSI_DEBUG_OPT_MAC_TIMEOUT & scsi_debug_opts && + scsi_medium_access_command(SCpnt)) + return 0; /* time out reads and writes */ else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts) inj_recovered = 1; /* to reads and writes below */ else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts) diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 5f84a148eb1..2cfcbffa41f 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -30,6 +30,7 @@ #include <scsi/scsi_cmnd.h> #include <scsi/scsi_dbg.h> #include <scsi/scsi_device.h> +#include <scsi/scsi_driver.h> #include <scsi/scsi_eh.h> #include <scsi/scsi_transport.h> #include <scsi/scsi_host.h> @@ -141,11 +142,11 @@ enum blk_eh_timer_return scsi_times_out(struct request *req) else if (host->hostt->eh_timed_out) rtn = host->hostt->eh_timed_out(scmd); + scmd->result |= DID_TIME_OUT << 16; + if (unlikely(rtn == BLK_EH_NOT_HANDLED && - !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) { - scmd->result |= DID_TIME_OUT << 16; + !scsi_eh_scmd_add(scmd, SCSI_EH_CANCEL_CMD))) rtn = BLK_EH_HANDLED; - } return rtn; } @@ -366,6 +367,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) return TARGET_ERROR; case ILLEGAL_REQUEST: + if (sshdr.asc == 0x20 || /* Invalid command operation code */ + sshdr.asc == 0x21 || /* Logical block address out of range */ + sshdr.asc == 0x24 || /* Invalid field in cdb */ + sshdr.asc == 0x26) { /* Parameter value invalid */ + return TARGET_ERROR; + } + return SUCCESS; + default: return SUCCESS; } @@ -770,6 +779,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, int cmnd_size, int timeout, unsigned sense_bytes) { struct scsi_device *sdev = scmd->device; + struct scsi_driver *sdrv = scsi_cmd_to_driver(scmd); struct Scsi_Host *shost = sdev->host; DECLARE_COMPLETION_ONSTACK(done); unsigned long timeleft; @@ -824,6 +834,10 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, } scsi_eh_restore_cmnd(scmd, &ses); + + if (sdrv->eh_action) + rtn = sdrv->eh_action(scmd, cmnd, cmnd_size, rtn); + return rtn; } @@ -1540,7 +1554,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) * Need to modify host byte to signal a * permanent target failure */ - scmd->result |= (DID_TARGET_FAILURE << 16); + set_host_byte(scmd, DID_TARGET_FAILURE); rtn = SUCCESS; } /* if rtn == FAILED, we have no sense information; @@ -1560,7 +1574,7 @@ int scsi_decide_disposition(struct scsi_cmnd *scmd) case RESERVATION_CONFLICT: sdev_printk(KERN_INFO, scmd->device, "reservation conflict\n"); - scmd->result |= (DID_NEXUS_FAILURE << 16); + set_host_byte(scmd, DID_NEXUS_FAILURE); return SUCCESS; /* causes immediate i/o error */ default: return FAILED; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index b2c95dbe9d6..ead6405f3e5 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -682,11 +682,11 @@ static int __scsi_error_from_host_byte(struct scsi_cmnd *cmd, int result) error = -ENOLINK; break; case DID_TARGET_FAILURE: - cmd->result |= (DID_OK << 16); + set_host_byte(cmd, DID_OK); error = -EREMOTEIO; break; case DID_NEXUS_FAILURE: - cmd->result |= (DID_OK << 16); + set_host_byte(cmd, DID_OK); error = -EBADE; break; default: @@ -880,6 +880,7 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) cmd->cmnd[0] == WRITE_SAME)) { description = "Discard failure"; action = ACTION_FAIL; + error = -EREMOTEIO; } else action = ACTION_FAIL; break; @@ -2567,7 +2568,7 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sgl, int sg_count, if (*len > sg_len) *len = sg_len; - return kmap_atomic(page, KM_BIO_SRC_IRQ); + return kmap_atomic(page); } EXPORT_SYMBOL(scsi_kmap_atomic_sg); @@ -2577,6 +2578,6 @@ EXPORT_SYMBOL(scsi_kmap_atomic_sg); */ void scsi_kunmap_atomic_sg(void *virt) { - kunmap_atomic(virt, KM_BIO_SRC_IRQ); + kunmap_atomic(virt); } EXPORT_SYMBOL(scsi_kunmap_atomic_sg); diff --git a/drivers/scsi/scsi_pm.c b/drivers/scsi/scsi_pm.c index bf8bf79e6a1..c4670642d02 100644 --- a/drivers/scsi/scsi_pm.c +++ b/drivers/scsi/scsi_pm.c @@ -7,6 +7,7 @@ #include <linux/pm_runtime.h> #include <linux/export.h> +#include <linux/async.h> #include <scsi/scsi.h> #include <scsi/scsi_device.h> @@ -92,6 +93,19 @@ static int scsi_bus_resume_common(struct device *dev) return err; } +static int scsi_bus_prepare(struct device *dev) +{ + if (scsi_is_sdev_device(dev)) { + /* sd probing uses async_schedule. Wait until it finishes. */ + async_synchronize_full(); + + } else if (scsi_is_host_device(dev)) { + /* Wait until async scanning is finished */ + scsi_complete_async_scans(); + } + return 0; +} + static int scsi_bus_suspend(struct device *dev) { return scsi_bus_suspend_common(dev, PMSG_SUSPEND); @@ -110,6 +124,7 @@ static int scsi_bus_poweroff(struct device *dev) #else /* CONFIG_PM_SLEEP */ #define scsi_bus_resume_common NULL +#define scsi_bus_prepare NULL #define scsi_bus_suspend NULL #define scsi_bus_freeze NULL #define scsi_bus_poweroff NULL @@ -218,6 +233,7 @@ void scsi_autopm_put_host(struct Scsi_Host *shost) #endif /* CONFIG_PM_RUNTIME */ const struct dev_pm_ops scsi_bus_pm_ops = { + .prepare = scsi_bus_prepare, .suspend = scsi_bus_suspend, .resume = scsi_bus_resume_common, .freeze = scsi_bus_freeze, diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h index 68eadd1c67f..be4fa6d179b 100644 --- a/drivers/scsi/scsi_priv.h +++ b/drivers/scsi/scsi_priv.h @@ -109,6 +109,7 @@ extern void scsi_exit_procfs(void); #endif /* CONFIG_PROC_FS */ /* scsi_scan.c */ +extern int scsi_complete_async_scans(void); extern int scsi_scan_host_selected(struct Scsi_Host *, unsigned int, unsigned int, unsigned int, int); extern void scsi_forget_host(struct Scsi_Host *); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 89da43f73c0..01b03744f1f 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -1295,6 +1295,7 @@ EXPORT_SYMBOL(int_to_scsilun); * LUNs even if it's older than SCSI-3. * If BLIST_NOREPORTLUN is set, return 1 always. * If BLIST_NOLUN is set, return 0 always. + * If starget->no_report_luns is set, return 1 always. * * Return: * 0: scan completed (or no memory, so further scanning is futile) @@ -1321,6 +1322,7 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, * Only support SCSI-3 and up devices if BLIST_NOREPORTLUN is not set. * Also allow SCSI-2 if BLIST_REPORTLUN2 is set and host adapter does * support more than 8 LUNs. + * Don't attempt if the target doesn't support REPORT LUNS. */ if (bflags & BLIST_NOREPORTLUN) return 1; @@ -1332,6 +1334,8 @@ static int scsi_report_lun_scan(struct scsi_target *starget, int bflags, return 1; if (bflags & BLIST_NOLUN) return 0; + if (starget->no_report_luns) + return 1; if (!(sdev = scsi_device_lookup_by_target(starget, 0))) { sdev = scsi_alloc_sdev(starget, 0, NULL); @@ -1815,6 +1819,7 @@ static void scsi_finish_async_scan(struct async_scan_data *data) } spin_unlock(&async_scan_lock); + scsi_autopm_put_host(shost); scsi_host_put(shost); kfree(data); } @@ -1841,7 +1846,6 @@ static int do_scan_async(void *_data) do_scsi_scan_host(shost); scsi_finish_async_scan(data); - scsi_autopm_put_host(shost); return 0; } @@ -1869,7 +1873,7 @@ void scsi_scan_host(struct Scsi_Host *shost) p = kthread_run(do_scan_async, data, "scsi_scan_%d", shost->host_no); if (IS_ERR(p)) do_scan_async(data); - /* scsi_autopm_put_host(shost) is called in do_scan_async() */ + /* scsi_autopm_put_host(shost) is called in scsi_finish_async_scan() */ } EXPORT_SYMBOL(scsi_scan_host); diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c index f59d4a05ecd..80fbe2ac0b4 100644 --- a/drivers/scsi/scsi_transport_fc.c +++ b/drivers/scsi/scsi_transport_fc.c @@ -313,7 +313,7 @@ static void fc_scsi_scan_rport(struct work_struct *work); #define FC_STARGET_NUM_ATTRS 3 #define FC_RPORT_NUM_ATTRS 10 #define FC_VPORT_NUM_ATTRS 9 -#define FC_HOST_NUM_ATTRS 22 +#define FC_HOST_NUM_ATTRS 29 struct fc_internal { struct scsi_transport_template t; @@ -399,6 +399,20 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev, fc_host->max_npiv_vports = 0; memset(fc_host->serial_number, 0, sizeof(fc_host->serial_number)); + memset(fc_host->manufacturer, 0, + sizeof(fc_host->manufacturer)); + memset(fc_host->model, 0, + sizeof(fc_host->model)); + memset(fc_host->model_description, 0, + sizeof(fc_host->model_description)); + memset(fc_host->hardware_version, 0, + sizeof(fc_host->hardware_version)); + memset(fc_host->driver_version, 0, + sizeof(fc_host->driver_version)); + memset(fc_host->firmware_version, 0, + sizeof(fc_host->firmware_version)); + memset(fc_host->optionrom_version, 0, + sizeof(fc_host->optionrom_version)); fc_host->port_id = -1; fc_host->port_type = FC_PORTTYPE_UNKNOWN; @@ -1513,6 +1527,13 @@ fc_private_host_rd_attr_cast(permanent_port_name, "0x%llx\n", 20, fc_private_host_rd_attr(maxframe_size, "%u bytes\n", 20); fc_private_host_rd_attr(max_npiv_vports, "%u\n", 20); fc_private_host_rd_attr(serial_number, "%s\n", (FC_SERIAL_NUMBER_SIZE +1)); +fc_private_host_rd_attr(manufacturer, "%s\n", FC_SERIAL_NUMBER_SIZE + 1); +fc_private_host_rd_attr(model, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1); +fc_private_host_rd_attr(model_description, "%s\n", FC_SYMBOLIC_NAME_SIZE + 1); +fc_private_host_rd_attr(hardware_version, "%s\n", FC_VERSION_STRING_SIZE + 1); +fc_private_host_rd_attr(driver_version, "%s\n", FC_VERSION_STRING_SIZE + 1); +fc_private_host_rd_attr(firmware_version, "%s\n", FC_VERSION_STRING_SIZE + 1); +fc_private_host_rd_attr(optionrom_version, "%s\n", FC_VERSION_STRING_SIZE + 1); /* Dynamic Host Attributes */ @@ -2208,6 +2229,13 @@ fc_attach_transport(struct fc_function_template *ft) SETUP_HOST_ATTRIBUTE_RD_NS(npiv_vports_inuse); } SETUP_HOST_ATTRIBUTE_RD(serial_number); + SETUP_HOST_ATTRIBUTE_RD(manufacturer); + SETUP_HOST_ATTRIBUTE_RD(model); + SETUP_HOST_ATTRIBUTE_RD(model_description); + SETUP_HOST_ATTRIBUTE_RD(hardware_version); + SETUP_HOST_ATTRIBUTE_RD(driver_version); + SETUP_HOST_ATTRIBUTE_RD(firmware_version); + SETUP_HOST_ATTRIBUTE_RD(optionrom_version); SETUP_HOST_ATTRIBUTE_RD(port_id); SETUP_HOST_ATTRIBUTE_RD(port_type); diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c index cfd49143723..1cf640e575d 100644 --- a/drivers/scsi/scsi_transport_iscsi.c +++ b/drivers/scsi/scsi_transport_iscsi.c @@ -727,10 +727,11 @@ static void iscsi_session_release(struct device *dev) kfree(session); } -static int iscsi_is_session_dev(const struct device *dev) +int iscsi_is_session_dev(const struct device *dev) { return dev->release == iscsi_session_release; } +EXPORT_SYMBOL_GPL(iscsi_is_session_dev); static int iscsi_iter_session_fn(struct device *dev, void *data) { @@ -1476,6 +1477,66 @@ void iscsi_conn_login_event(struct iscsi_cls_conn *conn, } EXPORT_SYMBOL_GPL(iscsi_conn_login_event); +void iscsi_post_host_event(uint32_t host_no, struct iscsi_transport *transport, + enum iscsi_host_event_code code, uint32_t data_size, + uint8_t *data) +{ + struct nlmsghdr *nlh; + struct sk_buff *skb; + struct iscsi_uevent *ev; + int len = NLMSG_SPACE(sizeof(*ev) + data_size); + + skb = alloc_skb(len, GFP_NOIO); + if (!skb) { + printk(KERN_ERR "gracefully ignored host event (%d):%d OOM\n", + host_no, code); + return; + } + + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); + ev = NLMSG_DATA(nlh); + ev->transport_handle = iscsi_handle(transport); + ev->type = ISCSI_KEVENT_HOST_EVENT; + ev->r.host_event.host_no = host_no; + ev->r.host_event.code = code; + ev->r.host_event.data_size = data_size; + + if (data_size) + memcpy((char *)ev + sizeof(*ev), data, data_size); + + iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_NOIO); +} +EXPORT_SYMBOL_GPL(iscsi_post_host_event); + +void iscsi_ping_comp_event(uint32_t host_no, struct iscsi_transport *transport, + uint32_t status, uint32_t pid, uint32_t data_size, + uint8_t *data) +{ + struct nlmsghdr *nlh; + struct sk_buff *skb; + struct iscsi_uevent *ev; + int len = NLMSG_SPACE(sizeof(*ev) + data_size); + + skb = alloc_skb(len, GFP_NOIO); + if (!skb) { + printk(KERN_ERR "gracefully ignored ping comp: OOM\n"); + return; + } + + nlh = __nlmsg_put(skb, 0, 0, 0, (len - sizeof(*nlh)), 0); + ev = NLMSG_DATA(nlh); + ev->transport_handle = iscsi_handle(transport); + ev->type = ISCSI_KEVENT_PING_COMP; + ev->r.ping_comp.host_no = host_no; + ev->r.ping_comp.status = status; + ev->r.ping_comp.pid = pid; + ev->r.ping_comp.data_size = data_size; + memcpy((char *)ev + sizeof(*ev), data, data_size); + + iscsi_multicast_skb(skb, ISCSI_NL_GRP_ISCSID, GFP_NOIO); +} +EXPORT_SYMBOL_GPL(iscsi_ping_comp_event); + static int iscsi_if_send_reply(uint32_t group, int seq, int type, int done, int multi, void *payload, int size) @@ -1915,6 +1976,123 @@ iscsi_set_iface_params(struct iscsi_transport *transport, } static int +iscsi_send_ping(struct iscsi_transport *transport, struct iscsi_uevent *ev) +{ + struct Scsi_Host *shost; + struct sockaddr *dst_addr; + int err; + + if (!transport->send_ping) + return -ENOSYS; + + shost = scsi_host_lookup(ev->u.iscsi_ping.host_no); + if (!shost) { + printk(KERN_ERR "iscsi_ping could not find host no %u\n", + ev->u.iscsi_ping.host_no); + return -ENODEV; + } + + dst_addr = (struct sockaddr *)((char *)ev + sizeof(*ev)); + err = transport->send_ping(shost, ev->u.iscsi_ping.iface_num, + ev->u.iscsi_ping.iface_type, + ev->u.iscsi_ping.payload_size, + ev->u.iscsi_ping.pid, + dst_addr); + scsi_host_put(shost); + return err; +} + +static int +iscsi_get_chap(struct iscsi_transport *transport, struct nlmsghdr *nlh) +{ + struct iscsi_uevent *ev = NLMSG_DATA(nlh); + struct Scsi_Host *shost = NULL; + struct iscsi_chap_rec *chap_rec; + struct iscsi_internal *priv; + struct sk_buff *skbchap; + struct nlmsghdr *nlhchap; + struct iscsi_uevent *evchap; + uint32_t chap_buf_size; + int len, err = 0; + char *buf; + + if (!transport->get_chap) + return -EINVAL; + + priv = iscsi_if_transport_lookup(transport); + if (!priv) + return -EINVAL; + + chap_buf_size = (ev->u.get_chap.num_entries * sizeof(*chap_rec)); + len = NLMSG_SPACE(sizeof(*ev) + chap_buf_size); + + shost = scsi_host_lookup(ev->u.get_chap.host_no); + if (!shost) { + printk(KERN_ERR "%s: failed. Cound not find host no %u\n", + __func__, ev->u.get_chap.host_no); + return -ENODEV; + } + + do { + int actual_size; + + skbchap = alloc_skb(len, GFP_KERNEL); + if (!skbchap) { + printk(KERN_ERR "can not deliver chap: OOM\n"); + err = -ENOMEM; + goto exit_get_chap; + } + + nlhchap = __nlmsg_put(skbchap, 0, 0, 0, + (len - sizeof(*nlhchap)), 0); + evchap = NLMSG_DATA(nlhchap); + memset(evchap, 0, sizeof(*evchap)); + evchap->transport_handle = iscsi_handle(transport); + evchap->type = nlh->nlmsg_type; + evchap->u.get_chap.host_no = ev->u.get_chap.host_no; + evchap->u.get_chap.chap_tbl_idx = ev->u.get_chap.chap_tbl_idx; + evchap->u.get_chap.num_entries = ev->u.get_chap.num_entries; + buf = (char *) ((char *)evchap + sizeof(*evchap)); + memset(buf, 0, chap_buf_size); + + err = transport->get_chap(shost, ev->u.get_chap.chap_tbl_idx, + &evchap->u.get_chap.num_entries, buf); + + actual_size = NLMSG_SPACE(sizeof(*ev) + chap_buf_size); + skb_trim(skbchap, NLMSG_ALIGN(actual_size)); + nlhchap->nlmsg_len = actual_size; + + err = iscsi_multicast_skb(skbchap, ISCSI_NL_GRP_ISCSID, + GFP_KERNEL); + } while (err < 0 && err != -ECONNREFUSED); + +exit_get_chap: + scsi_host_put(shost); + return err; +} + +static int iscsi_delete_chap(struct iscsi_transport *transport, + struct iscsi_uevent *ev) +{ + struct Scsi_Host *shost; + int err = 0; + + if (!transport->delete_chap) + return -ENOSYS; + + shost = scsi_host_lookup(ev->u.delete_chap.host_no); + if (!shost) { + printk(KERN_ERR "%s could not find host no %u\n", + __func__, ev->u.delete_chap.host_no); + return -ENODEV; + } + + err = transport->delete_chap(shost, ev->u.delete_chap.chap_tbl_idx); + scsi_host_put(shost); + return err; +} + +static int iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) { int err = 0; @@ -1941,7 +2119,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) switch (nlh->nlmsg_type) { case ISCSI_UEVENT_CREATE_SESSION: err = iscsi_if_create_session(priv, ep, ev, - NETLINK_CREDS(skb)->pid, + NETLINK_CB(skb).pid, ev->u.c_session.initial_cmdsn, ev->u.c_session.cmds_max, ev->u.c_session.queue_depth); @@ -1954,7 +2132,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) } err = iscsi_if_create_session(priv, ep, ev, - NETLINK_CREDS(skb)->pid, + NETLINK_CB(skb).pid, ev->u.c_bound_session.initial_cmdsn, ev->u.c_bound_session.cmds_max, ev->u.c_bound_session.queue_depth); @@ -2059,6 +2237,15 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group) err = iscsi_set_iface_params(transport, ev, nlmsg_attrlen(nlh, sizeof(*ev))); break; + case ISCSI_UEVENT_PING: + err = iscsi_send_ping(transport, ev); + break; + case ISCSI_UEVENT_GET_CHAP: + err = iscsi_get_chap(transport, nlh); + break; + case ISCSI_UEVENT_DELETE_CHAP: + err = iscsi_delete_chap(transport, ev); + break; default: err = -ENOSYS; break; @@ -2108,9 +2295,11 @@ iscsi_if_rx(struct sk_buff *skb) */ if (ev->type == ISCSI_UEVENT_GET_STATS && !err) break; + if (ev->type == ISCSI_UEVENT_GET_CHAP && !err) + break; err = iscsi_if_send_reply(group, nlh->nlmsg_seq, nlh->nlmsg_type, 0, 0, ev, sizeof(*ev)); - } while (err < 0 && err != -ECONNREFUSED); + } while (err < 0 && err != -ECONNREFUSED && err != -ESRCH); skb_pull(skb, rlen); } mutex_unlock(&rx_queue_mutex); @@ -2286,6 +2475,8 @@ iscsi_session_attr(username, ISCSI_PARAM_USERNAME, 1); iscsi_session_attr(username_in, ISCSI_PARAM_USERNAME_IN, 1); iscsi_session_attr(password, ISCSI_PARAM_PASSWORD, 1); iscsi_session_attr(password_in, ISCSI_PARAM_PASSWORD_IN, 1); +iscsi_session_attr(chap_out_idx, ISCSI_PARAM_CHAP_OUT_IDX, 1); +iscsi_session_attr(chap_in_idx, ISCSI_PARAM_CHAP_IN_IDX, 1); iscsi_session_attr(fast_abort, ISCSI_PARAM_FAST_ABORT, 0); iscsi_session_attr(abort_tmo, ISCSI_PARAM_ABORT_TMO, 0); iscsi_session_attr(lu_reset_tmo, ISCSI_PARAM_LU_RESET_TMO, 0); @@ -2382,6 +2573,8 @@ static struct attribute *iscsi_session_attrs[] = { &dev_attr_priv_sess_recovery_tmo.attr, &dev_attr_priv_sess_state.attr, &dev_attr_priv_sess_creator.attr, + &dev_attr_sess_chap_out_idx.attr, + &dev_attr_sess_chap_in_idx.attr, NULL, }; @@ -2413,6 +2606,10 @@ static umode_t iscsi_session_attr_is_visible(struct kobject *kobj, param = ISCSI_PARAM_TARGET_NAME; else if (attr == &dev_attr_sess_tpgt.attr) param = ISCSI_PARAM_TPGT; + else if (attr == &dev_attr_sess_chap_in_idx.attr) + param = ISCSI_PARAM_CHAP_IN_IDX; + else if (attr == &dev_attr_sess_chap_out_idx.attr) + param = ISCSI_PARAM_CHAP_OUT_IDX; else if (attr == &dev_attr_sess_password.attr) param = ISCSI_PARAM_USERNAME; else if (attr == &dev_attr_sess_password_in.attr) @@ -2476,12 +2673,16 @@ iscsi_host_attr(netdev, ISCSI_HOST_PARAM_NETDEV_NAME); iscsi_host_attr(hwaddress, ISCSI_HOST_PARAM_HWADDRESS); iscsi_host_attr(ipaddress, ISCSI_HOST_PARAM_IPADDRESS); iscsi_host_attr(initiatorname, ISCSI_HOST_PARAM_INITIATOR_NAME); +iscsi_host_attr(port_state, ISCSI_HOST_PARAM_PORT_STATE); +iscsi_host_attr(port_speed, ISCSI_HOST_PARAM_PORT_SPEED); static struct attribute *iscsi_host_attrs[] = { &dev_attr_host_netdev.attr, &dev_attr_host_hwaddress.attr, &dev_attr_host_ipaddress.attr, &dev_attr_host_initiatorname.attr, + &dev_attr_host_port_state.attr, + &dev_attr_host_port_speed.attr, NULL, }; @@ -2501,6 +2702,10 @@ static umode_t iscsi_host_attr_is_visible(struct kobject *kobj, param = ISCSI_HOST_PARAM_IPADDRESS; else if (attr == &dev_attr_host_initiatorname.attr) param = ISCSI_HOST_PARAM_INITIATOR_NAME; + else if (attr == &dev_attr_host_port_state.attr) + param = ISCSI_HOST_PARAM_PORT_STATE; + else if (attr == &dev_attr_host_port_speed.attr) + param = ISCSI_HOST_PARAM_PORT_SPEED; else { WARN_ONCE(1, "Invalid host attr"); return 0; @@ -2514,6 +2719,61 @@ static struct attribute_group iscsi_host_group = { .is_visible = iscsi_host_attr_is_visible, }; +/* convert iscsi_port_speed values to ascii string name */ +static const struct { + enum iscsi_port_speed value; + char *name; +} iscsi_port_speed_names[] = { + {ISCSI_PORT_SPEED_UNKNOWN, "Unknown" }, + {ISCSI_PORT_SPEED_10MBPS, "10 Mbps" }, + {ISCSI_PORT_SPEED_100MBPS, "100 Mbps" }, + {ISCSI_PORT_SPEED_1GBPS, "1 Gbps" }, + {ISCSI_PORT_SPEED_10GBPS, "10 Gbps" }, +}; + +char *iscsi_get_port_speed_name(struct Scsi_Host *shost) +{ + int i; + char *speed = "Unknown!"; + struct iscsi_cls_host *ihost = shost->shost_data; + uint32_t port_speed = ihost->port_speed; + + for (i = 0; i < ARRAY_SIZE(iscsi_port_speed_names); i++) { + if (iscsi_port_speed_names[i].value & port_speed) { + speed = iscsi_port_speed_names[i].name; + break; + } + } + return speed; +} +EXPORT_SYMBOL_GPL(iscsi_get_port_speed_name); + +/* convert iscsi_port_state values to ascii string name */ +static const struct { + enum iscsi_port_state value; + char *name; +} iscsi_port_state_names[] = { + {ISCSI_PORT_STATE_DOWN, "LINK DOWN" }, + {ISCSI_PORT_STATE_UP, "LINK UP" }, +}; + +char *iscsi_get_port_state_name(struct Scsi_Host *shost) +{ + int i; + char *state = "Unknown!"; + struct iscsi_cls_host *ihost = shost->shost_data; + uint32_t port_state = ihost->port_state; + + for (i = 0; i < ARRAY_SIZE(iscsi_port_state_names); i++) { + if (iscsi_port_state_names[i].value & port_state) { + state = iscsi_port_state_names[i].name; + break; + } + } + return state; +} +EXPORT_SYMBOL_GPL(iscsi_get_port_state_name); + static int iscsi_session_match(struct attribute_container *cont, struct device *dev) { diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c index 9d9330ae421..f7565fc4f0e 100644 --- a/drivers/scsi/scsi_transport_sas.c +++ b/drivers/scsi/scsi_transport_sas.c @@ -615,6 +615,7 @@ do_sas_phy_reset(struct device *dev, size_t count, int hard_reset) error = i->f->phy_reset(phy, hard_reset); if (error) return error; + phy->enabled = 1; return count; }; @@ -652,9 +653,21 @@ sas_phy_linkerror_attr(running_disparity_error_count); sas_phy_linkerror_attr(loss_of_dword_sync_count); sas_phy_linkerror_attr(phy_reset_problem_count); +static int sas_phy_setup(struct transport_container *tc, struct device *dev, + struct device *cdev) +{ + struct sas_phy *phy = dev_to_phy(dev); + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_internal *i = to_sas_internal(shost->transportt); + + if (i->f->phy_setup) + i->f->phy_setup(phy); + + return 0; +} static DECLARE_TRANSPORT_CLASS(sas_phy_class, - "sas_phy", NULL, NULL, NULL); + "sas_phy", sas_phy_setup, NULL, NULL); static int sas_phy_match(struct attribute_container *cont, struct device *dev) { @@ -678,7 +691,11 @@ static int sas_phy_match(struct attribute_container *cont, struct device *dev) static void sas_phy_release(struct device *dev) { struct sas_phy *phy = dev_to_phy(dev); + struct Scsi_Host *shost = dev_to_shost(phy->dev.parent); + struct sas_internal *i = to_sas_internal(shost->transportt); + if (i->f->phy_release) + i->f->phy_release(phy); put_device(dev->parent); kfree(phy); } @@ -1044,6 +1061,29 @@ int scsi_is_sas_port(const struct device *dev) EXPORT_SYMBOL(scsi_is_sas_port); /** + * sas_port_get_phy - try to take a reference on a port member + * @port: port to check + */ +struct sas_phy *sas_port_get_phy(struct sas_port *port) +{ + struct sas_phy *phy; + + mutex_lock(&port->phy_list_mutex); + if (list_empty(&port->phy_list)) + phy = NULL; + else { + struct list_head *ent = port->phy_list.next; + + phy = list_entry(ent, typeof(*phy), port_siblings); + get_device(&phy->dev); + } + mutex_unlock(&port->phy_list_mutex); + + return phy; +} +EXPORT_SYMBOL(sas_port_get_phy); + +/** * sas_port_add_phy - add another phy to a port to form a wide port * @port: port to add the phy to * @phy: phy to add @@ -1603,6 +1643,20 @@ sas_rphy_delete(struct sas_rphy *rphy) EXPORT_SYMBOL(sas_rphy_delete); /** + * sas_rphy_unlink - unlink SAS remote PHY + * @rphy: SAS remote phy to unlink from its parent port + * + * Removes port reference to an rphy + */ +void sas_rphy_unlink(struct sas_rphy *rphy) +{ + struct sas_port *parent = dev_to_sas_port(rphy->dev.parent); + + parent->rphy = NULL; +} +EXPORT_SYMBOL(sas_rphy_unlink); + +/** * sas_rphy_remove - remove SAS remote PHY * @rphy: SAS remote phy to remove * @@ -1612,7 +1666,6 @@ void sas_rphy_remove(struct sas_rphy *rphy) { struct device *dev = &rphy->dev; - struct sas_port *parent = dev_to_sas_port(dev->parent); switch (rphy->identify.device_type) { case SAS_END_DEVICE: @@ -1626,10 +1679,9 @@ sas_rphy_remove(struct sas_rphy *rphy) break; } + sas_rphy_unlink(rphy); transport_remove_device(dev); device_del(dev); - - parent->rphy = NULL; } EXPORT_SYMBOL(sas_rphy_remove); diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c index c691fb50e6c..5ba5c2a9e8e 100644 --- a/drivers/scsi/sd.c +++ b/drivers/scsi/sd.c @@ -107,6 +107,7 @@ static int sd_suspend(struct device *, pm_message_t state); static int sd_resume(struct device *); static void sd_rescan(struct device *); static int sd_done(struct scsi_cmnd *); +static int sd_eh_action(struct scsi_cmnd *, unsigned char *, int, int); static void sd_read_capacity(struct scsi_disk *sdkp, unsigned char *buffer); static void scsi_disk_release(struct device *cdev); static void sd_print_sense_hdr(struct scsi_disk *, struct scsi_sense_hdr *); @@ -346,6 +347,31 @@ sd_store_provisioning_mode(struct device *dev, struct device_attribute *attr, return count; } +static ssize_t +sd_show_max_medium_access_timeouts(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct scsi_disk *sdkp = to_scsi_disk(dev); + + return snprintf(buf, 20, "%u\n", sdkp->max_medium_access_timeouts); +} + +static ssize_t +sd_store_max_medium_access_timeouts(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t count) +{ + struct scsi_disk *sdkp = to_scsi_disk(dev); + int err; + + if (!capable(CAP_SYS_ADMIN)) + return -EACCES; + + err = kstrtouint(buf, 10, &sdkp->max_medium_access_timeouts); + + return err ? err : count; +} + static struct device_attribute sd_disk_attrs[] = { __ATTR(cache_type, S_IRUGO|S_IWUSR, sd_show_cache_type, sd_store_cache_type), @@ -360,6 +386,9 @@ static struct device_attribute sd_disk_attrs[] = { __ATTR(thin_provisioning, S_IRUGO, sd_show_thin_provisioning, NULL), __ATTR(provisioning_mode, S_IRUGO|S_IWUSR, sd_show_provisioning_mode, sd_store_provisioning_mode), + __ATTR(max_medium_access_timeouts, S_IRUGO|S_IWUSR, + sd_show_max_medium_access_timeouts, + sd_store_max_medium_access_timeouts), __ATTR_NULL, }; @@ -382,6 +411,7 @@ static struct scsi_driver sd_template = { }, .rescan = sd_rescan, .done = sd_done, + .eh_action = sd_eh_action, }; /* @@ -497,6 +527,8 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) max(sdkp->physical_block_size, sdkp->unmap_granularity * logical_block_size); + sdkp->provisioning_mode = mode; + switch (mode) { case SD_LBP_DISABLE: @@ -524,8 +556,6 @@ static void sd_config_discard(struct scsi_disk *sdkp, unsigned int mode) q->limits.max_discard_sectors = max_blocks * (logical_block_size >> 9); queue_flag_set_unlocked(QUEUE_FLAG_DISCARD, q); - - sdkp->provisioning_mode = mode; } /** @@ -634,7 +664,7 @@ static void sd_unprep_fn(struct request_queue *q, struct request *rq) } /** - * sd_init_command - build a scsi (read or write) command from + * sd_prep_fn - build a scsi (read or write) command from * information in the request structure. * @SCpnt: pointer to mid-level's per scsi command structure that * contains request and into which the scsi command is written @@ -681,7 +711,7 @@ static int sd_prep_fn(struct request_queue *q, struct request *rq) ret = BLKPREP_KILL; SCSI_LOG_HLQUEUE(1, scmd_printk(KERN_INFO, SCpnt, - "sd_init_command: block=%llu, " + "sd_prep_fn: block=%llu, " "count=%d\n", (unsigned long long)block, this_count)); @@ -1182,9 +1212,14 @@ static unsigned int sd_check_events(struct gendisk *disk, unsigned int clearing) retval = -ENODEV; if (scsi_block_when_processing_errors(sdp)) { + retval = scsi_autopm_get_device(sdp); + if (retval) + goto out; + sshdr = kzalloc(sizeof(*sshdr), GFP_KERNEL); retval = scsi_test_unit_ready(sdp, SD_TIMEOUT, SD_MAX_RETRIES, sshdr); + scsi_autopm_put_device(sdp); } /* failed to execute TUR, assume media not present */ @@ -1313,6 +1348,55 @@ static const struct block_device_operations sd_fops = { .unlock_native_capacity = sd_unlock_native_capacity, }; +/** + * sd_eh_action - error handling callback + * @scmd: sd-issued command that has failed + * @eh_cmnd: The command that was sent during error handling + * @eh_cmnd_len: Length of eh_cmnd in bytes + * @eh_disp: The recovery disposition suggested by the midlayer + * + * This function is called by the SCSI midlayer upon completion of + * an error handling command (TEST UNIT READY, START STOP UNIT, + * etc.) The command sent to the device by the error handler is + * stored in eh_cmnd. The result of sending the eh command is + * passed in eh_disp. + **/ +static int sd_eh_action(struct scsi_cmnd *scmd, unsigned char *eh_cmnd, + int eh_cmnd_len, int eh_disp) +{ + struct scsi_disk *sdkp = scsi_disk(scmd->request->rq_disk); + + if (!scsi_device_online(scmd->device) || + !scsi_medium_access_command(scmd)) + return eh_disp; + + /* + * The device has timed out executing a medium access command. + * However, the TEST UNIT READY command sent during error + * handling completed successfully. Either the device is in the + * process of recovering or has it suffered an internal failure + * that prevents access to the storage medium. + */ + if (host_byte(scmd->result) == DID_TIME_OUT && eh_disp == SUCCESS && + eh_cmnd_len && eh_cmnd[0] == TEST_UNIT_READY) + sdkp->medium_access_timed_out++; + + /* + * If the device keeps failing read/write commands but TEST UNIT + * READY always completes successfully we assume that medium + * access is no longer possible and take the device offline. + */ + if (sdkp->medium_access_timed_out >= sdkp->max_medium_access_timeouts) { + scmd_printk(KERN_ERR, scmd, + "Medium access timeout failure. Offlining disk!\n"); + scsi_device_set_state(scmd->device, SDEV_OFFLINE); + + return FAILED; + } + + return eh_disp; +} + static unsigned int sd_completed_bytes(struct scsi_cmnd *scmd) { u64 start_lba = blk_rq_pos(scmd->request); @@ -1402,6 +1486,8 @@ static int sd_done(struct scsi_cmnd *SCpnt) (!sense_valid || sense_deferred)) goto out; + sdkp->medium_access_timed_out = 0; + switch (sshdr.sense_key) { case HARDWARE_ERROR: case MEDIUM_ERROR: @@ -2349,7 +2435,7 @@ static int sd_try_extended_inquiry(struct scsi_device *sdp) * some USB ones crash on receiving them, and the pages * we currently ask for are for SPC-3 and beyond */ - if (sdp->scsi_level > SCSI_SPC_2) + if (sdp->scsi_level > SCSI_SPC_2 && !sdp->skip_vpd_pages) return 1; return 0; } @@ -2523,6 +2609,7 @@ static void sd_probe_async(void *data, async_cookie_t cookie) sdkp->RCD = 0; sdkp->ATO = 0; sdkp->first_scan = 1; + sdkp->max_medium_access_timeouts = SD_MAX_MEDIUM_TIMEOUTS; sd_revalidate_disk(gd); @@ -2562,8 +2649,8 @@ static void sd_probe_async(void *data, async_cookie_t cookie) * (e.g. /dev/sda). More precisely it is the block device major * and minor number that is chosen here. * - * Assume sd_attach is not re-entrant (for time being) - * Also think about sd_attach() and sd_remove() running coincidentally. + * Assume sd_probe is not re-entrant (for time being) + * Also think about sd_probe() and sd_remove() running coincidentally. **/ static int sd_probe(struct device *dev) { @@ -2578,7 +2665,7 @@ static int sd_probe(struct device *dev) goto out; SCSI_LOG_HLQUEUE(3, sdev_printk(KERN_INFO, sdp, - "sd_attach\n")); + "sd_probe\n")); error = -ENOMEM; sdkp = kzalloc(sizeof(*sdkp), GFP_KERNEL); diff --git a/drivers/scsi/sd.h b/drivers/scsi/sd.h index 4163f2910e3..f703f4827b6 100644 --- a/drivers/scsi/sd.h +++ b/drivers/scsi/sd.h @@ -20,6 +20,7 @@ */ #define SD_MAX_RETRIES 5 #define SD_PASSTHROUGH_RETRIES 1 +#define SD_MAX_MEDIUM_TIMEOUTS 2 /* * Size of the initial data buffer for mode and read capacity data @@ -59,6 +60,8 @@ struct scsi_disk { u32 unmap_alignment; u32 index; unsigned int physical_block_size; + unsigned int max_medium_access_timeouts; + unsigned int medium_access_timed_out; u8 media_present; u8 write_prot; u8 protection_type;/* Data Integrity Field */ @@ -88,6 +91,38 @@ static inline struct scsi_disk *scsi_disk(struct gendisk *disk) (sdsk)->disk->disk_name, ##a) : \ sdev_printk(prefix, (sdsk)->device, fmt, ##a) +static inline int scsi_medium_access_command(struct scsi_cmnd *scmd) +{ + switch (scmd->cmnd[0]) { + case READ_6: + case READ_10: + case READ_12: + case READ_16: + case SYNCHRONIZE_CACHE: + case VERIFY: + case VERIFY_12: + case VERIFY_16: + case WRITE_6: + case WRITE_10: + case WRITE_12: + case WRITE_16: + case WRITE_SAME: + case WRITE_SAME_16: + case UNMAP: + return 1; + case VARIABLE_LENGTH_CMD: + switch (scmd->cmnd[9]) { + case READ_32: + case VERIFY_32: + case WRITE_32: + case WRITE_SAME_32: + return 1; + } + } + + return 0; +} + /* * A DIF-capable target device can be formatted with different * protection schemes. Currently 0 through 3 are defined: diff --git a/drivers/scsi/sd_dif.c b/drivers/scsi/sd_dif.c index 0cb39ff2117..e52d5bc42bc 100644 --- a/drivers/scsi/sd_dif.c +++ b/drivers/scsi/sd_dif.c @@ -392,7 +392,7 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s virt = bio->bi_integrity->bip_sector & 0xffffffff; bip_for_each_vec(iv, bio->bi_integrity, i) { - sdt = kmap_atomic(iv->bv_page, KM_USER0) + sdt = kmap_atomic(iv->bv_page) + iv->bv_offset; for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) { @@ -405,16 +405,16 @@ int sd_dif_prepare(struct request *rq, sector_t hw_sector, unsigned int sector_s phys++; } - kunmap_atomic(sdt, KM_USER0); + kunmap_atomic(sdt); } - bio->bi_flags |= BIO_MAPPED_INTEGRITY; + bio->bi_flags |= (1 << BIO_MAPPED_INTEGRITY); } return 0; error: - kunmap_atomic(sdt, KM_USER0); + kunmap_atomic(sdt); sd_printk(KERN_ERR, sdkp, "%s: virt %u, phys %u, ref %u, app %4x\n", __func__, virt, phys, be32_to_cpu(sdt->ref_tag), be16_to_cpu(sdt->app_tag)); @@ -453,13 +453,13 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes) virt = bio->bi_integrity->bip_sector & 0xffffffff; bip_for_each_vec(iv, bio->bi_integrity, i) { - sdt = kmap_atomic(iv->bv_page, KM_USER0) + sdt = kmap_atomic(iv->bv_page) + iv->bv_offset; for (j = 0 ; j < iv->bv_len ; j += tuple_sz, sdt++) { if (sectors == 0) { - kunmap_atomic(sdt, KM_USER0); + kunmap_atomic(sdt); return; } @@ -474,7 +474,7 @@ void sd_dif_complete(struct scsi_cmnd *scmd, unsigned int good_bytes) sectors--; } - kunmap_atomic(sdt, KM_USER0); + kunmap_atomic(sdt); } } } diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c index 9b28f39bac2..e41998cb098 100644 --- a/drivers/scsi/st.c +++ b/drivers/scsi/st.c @@ -42,7 +42,6 @@ static const char *verstr = "20101219"; #include <asm/uaccess.h> #include <asm/dma.h> -#include <asm/system.h> #include <scsi/scsi.h> #include <scsi/scsi_dbg.h> @@ -1106,6 +1105,12 @@ static int check_tape(struct scsi_tape *STp, struct file *filp) STp->drv_buffer)); } STp->drv_write_prot = ((STp->buffer)->b_data[2] & 0x80) != 0; + if (!STp->drv_buffer && STp->immediate_filemark) { + printk(KERN_WARNING + "%s: non-buffered tape: disabling writing immediate filemarks\n", + name); + STp->immediate_filemark = 0; + } } st_release_request(SRpnt); SRpnt = NULL; @@ -1177,6 +1182,7 @@ static int check_tape(struct scsi_tape *STp, struct file *filp) static int st_open(struct inode *inode, struct file *filp) { int i, retval = (-EIO); + int resumed = 0; struct scsi_tape *STp; struct st_partstat *STps; int dev = TAPE_NR(inode); @@ -1211,6 +1217,11 @@ static int st_open(struct inode *inode, struct file *filp) write_unlock(&st_dev_arr_lock); STp->rew_at_close = STp->autorew_dev = (iminor(inode) & 0x80) == 0; + if (scsi_autopm_get_device(STp->device) < 0) { + retval = -EIO; + goto err_out; + } + resumed = 1; if (!scsi_block_when_processing_errors(STp->device)) { retval = (-ENXIO); goto err_out; @@ -1258,6 +1269,8 @@ static int st_open(struct inode *inode, struct file *filp) normalize_buffer(STp->buffer); STp->in_use = 0; scsi_tape_put(STp); + if (resumed) + scsi_autopm_put_device(STp->device); mutex_unlock(&st_mutex); return retval; @@ -1306,6 +1319,8 @@ static int st_flush(struct file *filp, fl_owner_t id) memset(cmd, 0, MAX_COMMAND_SIZE); cmd[0] = WRITE_FILEMARKS; + if (STp->immediate_filemark) + cmd[1] = 1; cmd[4] = 1 + STp->two_fm; SRpnt = st_do_scsi(NULL, STp, cmd, 0, DMA_NONE, @@ -1391,6 +1406,7 @@ static int st_release(struct inode *inode, struct file *filp) write_lock(&st_dev_arr_lock); STp->in_use = 0; write_unlock(&st_dev_arr_lock); + scsi_autopm_put_device(STp->device); scsi_tape_put(STp); return result; @@ -2172,8 +2188,9 @@ static void st_log_options(struct scsi_tape * STp, struct st_modedef * STm, char name, STm->defaults_for_writes, STp->omit_blklims, STp->can_partitions, STp->scsi2_logical); printk(KERN_INFO - "%s: sysv: %d nowait: %d sili: %d\n", name, STm->sysv, STp->immediate, - STp->sili); + "%s: sysv: %d nowait: %d sili: %d nowait_filemark: %d\n", + name, STm->sysv, STp->immediate, STp->sili, + STp->immediate_filemark); printk(KERN_INFO "%s: debugging: %d\n", name, debugging); } @@ -2215,6 +2232,7 @@ static int st_set_options(struct scsi_tape *STp, long options) STp->can_partitions = (options & MT_ST_CAN_PARTITIONS) != 0; STp->scsi2_logical = (options & MT_ST_SCSI2LOGICAL) != 0; STp->immediate = (options & MT_ST_NOWAIT) != 0; + STp->immediate_filemark = (options & MT_ST_NOWAIT_EOF) != 0; STm->sysv = (options & MT_ST_SYSV) != 0; STp->sili = (options & MT_ST_SILI) != 0; DEB( debugging = (options & MT_ST_DEBUGGING) != 0; @@ -2246,6 +2264,8 @@ static int st_set_options(struct scsi_tape *STp, long options) STp->scsi2_logical = value; if ((options & MT_ST_NOWAIT) != 0) STp->immediate = value; + if ((options & MT_ST_NOWAIT_EOF) != 0) + STp->immediate_filemark = value; if ((options & MT_ST_SYSV) != 0) STm->sysv = value; if ((options & MT_ST_SILI) != 0) @@ -2705,7 +2725,8 @@ static int st_int_ioctl(struct scsi_tape *STp, unsigned int cmd_in, unsigned lon cmd[0] = WRITE_FILEMARKS; if (cmd_in == MTWSM) cmd[1] = 2; - if (cmd_in == MTWEOFI) + if (cmd_in == MTWEOFI || + (cmd_in == MTWEOF && STp->immediate_filemark)) cmd[1] |= 1; cmd[2] = (arg >> 16); cmd[3] = (arg >> 8); @@ -4084,6 +4105,7 @@ static int st_probe(struct device *dev) tpnt->scsi2_logical = ST_SCSI2LOGICAL; tpnt->sili = ST_SILI; tpnt->immediate = ST_NOWAIT; + tpnt->immediate_filemark = 0; tpnt->default_drvbuffer = 0xff; /* No forced buffering */ tpnt->partition = 0; tpnt->new_partition = 0; @@ -4154,6 +4176,7 @@ static int st_probe(struct device *dev) if (error) goto out_free_tape; } + scsi_autopm_put_device(SDp); sdev_printk(KERN_NOTICE, SDp, "Attached scsi tape %s\n", tape_name(tpnt)); @@ -4201,6 +4224,7 @@ static int st_remove(struct device *dev) struct scsi_tape *tpnt; int i, j, mode; + scsi_autopm_get_device(SDp); write_lock(&st_dev_arr_lock); for (i = 0; i < st_dev_max; i++) { tpnt = scsi_tapes[i]; @@ -4467,6 +4491,7 @@ st_options_show(struct device *dev, struct device_attribute *attr, char *buf) options |= STp->scsi2_logical ? MT_ST_SCSI2LOGICAL : 0; options |= STm->sysv ? MT_ST_SYSV : 0; options |= STp->immediate ? MT_ST_NOWAIT : 0; + options |= STp->immediate_filemark ? MT_ST_NOWAIT_EOF : 0; options |= STp->sili ? MT_ST_SILI : 0; l = snprintf(buf, PAGE_SIZE, "0x%08x\n", options); diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h index f91a67c6d96..ea35632b986 100644 --- a/drivers/scsi/st.h +++ b/drivers/scsi/st.h @@ -120,6 +120,7 @@ struct scsi_tape { unsigned char c_algo; /* compression algorithm */ unsigned char pos_unknown; /* after reset position unknown */ unsigned char sili; /* use SILI when reading in variable b mode */ + unsigned char immediate_filemark; /* write filemark immediately */ int tape_type; int long_timeout; /* timeout for commands known to take long time */ diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c new file mode 100644 index 00000000000..83a1972a199 --- /dev/null +++ b/drivers/scsi/storvsc_drv.c @@ -0,0 +1,1548 @@ +/* + * Copyright (c) 2009, Microsoft Corporation. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program; if not, write to the Free Software Foundation, Inc., 59 Temple + * Place - Suite 330, Boston, MA 02111-1307 USA. + * + * Authors: + * Haiyang Zhang <haiyangz@microsoft.com> + * Hank Janssen <hjanssen@microsoft.com> + * K. Y. Srinivasan <kys@microsoft.com> + */ + +#include <linux/kernel.h> +#include <linux/wait.h> +#include <linux/sched.h> +#include <linux/completion.h> +#include <linux/string.h> +#include <linux/mm.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/module.h> +#include <linux/device.h> +#include <linux/hyperv.h> +#include <linux/mempool.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_tcq.h> +#include <scsi/scsi_eh.h> +#include <scsi/scsi_devinfo.h> +#include <scsi/scsi_dbg.h> + +/* + * All wire protocol details (storage protocol between the guest and the host) + * are consolidated here. + * + * Begin protocol definitions. + */ + +/* + * Version history: + * V1 Beta: 0.1 + * V1 RC < 2008/1/31: 1.0 + * V1 RC > 2008/1/31: 2.0 + * Win7: 4.2 + */ + +#define VMSTOR_CURRENT_MAJOR 4 +#define VMSTOR_CURRENT_MINOR 2 + + +/* Packet structure describing virtual storage requests. */ +enum vstor_packet_operation { + VSTOR_OPERATION_COMPLETE_IO = 1, + VSTOR_OPERATION_REMOVE_DEVICE = 2, + VSTOR_OPERATION_EXECUTE_SRB = 3, + VSTOR_OPERATION_RESET_LUN = 4, + VSTOR_OPERATION_RESET_ADAPTER = 5, + VSTOR_OPERATION_RESET_BUS = 6, + VSTOR_OPERATION_BEGIN_INITIALIZATION = 7, + VSTOR_OPERATION_END_INITIALIZATION = 8, + VSTOR_OPERATION_QUERY_PROTOCOL_VERSION = 9, + VSTOR_OPERATION_QUERY_PROPERTIES = 10, + VSTOR_OPERATION_ENUMERATE_BUS = 11, + VSTOR_OPERATION_MAXIMUM = 11 +}; + +/* + * Platform neutral description of a scsi request - + * this remains the same across the write regardless of 32/64 bit + * note: it's patterned off the SCSI_PASS_THROUGH structure + */ +#define STORVSC_MAX_CMD_LEN 0x10 +#define STORVSC_SENSE_BUFFER_SIZE 0x12 +#define STORVSC_MAX_BUF_LEN_WITH_PADDING 0x14 + +struct vmscsi_request { + u16 length; + u8 srb_status; + u8 scsi_status; + + u8 port_number; + u8 path_id; + u8 target_id; + u8 lun; + + u8 cdb_length; + u8 sense_info_length; + u8 data_in; + u8 reserved; + + u32 data_transfer_length; + + union { + u8 cdb[STORVSC_MAX_CMD_LEN]; + u8 sense_data[STORVSC_SENSE_BUFFER_SIZE]; + u8 reserved_array[STORVSC_MAX_BUF_LEN_WITH_PADDING]; + }; +} __attribute((packed)); + + +/* + * This structure is sent during the intialization phase to get the different + * properties of the channel. + */ +struct vmstorage_channel_properties { + u16 protocol_version; + u8 path_id; + u8 target_id; + + /* Note: port number is only really known on the client side */ + u32 port_number; + u32 flags; + u32 max_transfer_bytes; + + /* + * This id is unique for each channel and will correspond with + * vendor specific data in the inquiry data. + */ + + u64 unique_id; +} __packed; + +/* This structure is sent during the storage protocol negotiations. */ +struct vmstorage_protocol_version { + /* Major (MSW) and minor (LSW) version numbers. */ + u16 major_minor; + + /* + * Revision number is auto-incremented whenever this file is changed + * (See FILL_VMSTOR_REVISION macro above). Mismatch does not + * definitely indicate incompatibility--but it does indicate mismatched + * builds. + * This is only used on the windows side. Just set it to 0. + */ + u16 revision; +} __packed; + +/* Channel Property Flags */ +#define STORAGE_CHANNEL_REMOVABLE_FLAG 0x1 +#define STORAGE_CHANNEL_EMULATED_IDE_FLAG 0x2 + +struct vstor_packet { + /* Requested operation type */ + enum vstor_packet_operation operation; + + /* Flags - see below for values */ + u32 flags; + + /* Status of the request returned from the server side. */ + u32 status; + + /* Data payload area */ + union { + /* + * Structure used to forward SCSI commands from the + * client to the server. + */ + struct vmscsi_request vm_srb; + + /* Structure used to query channel properties. */ + struct vmstorage_channel_properties storage_channel_properties; + + /* Used during version negotiations. */ + struct vmstorage_protocol_version version; + }; +} __packed; + +/* + * Packet Flags: + * + * This flag indicates that the server should send back a completion for this + * packet. + */ + +#define REQUEST_COMPLETION_FLAG 0x1 + +/* Matches Windows-end */ +enum storvsc_request_type { + WRITE_TYPE = 0, + READ_TYPE, + UNKNOWN_TYPE, +}; + +/* + * SRB status codes and masks; a subset of the codes used here. + */ + +#define SRB_STATUS_AUTOSENSE_VALID 0x80 +#define SRB_STATUS_INVALID_LUN 0x20 +#define SRB_STATUS_SUCCESS 0x01 +#define SRB_STATUS_ERROR 0x04 + +/* + * This is the end of Protocol specific defines. + */ + + +/* + * We setup a mempool to allocate request structures for this driver + * on a per-lun basis. The following define specifies the number of + * elements in the pool. + */ + +#define STORVSC_MIN_BUF_NR 64 +static int storvsc_ringbuffer_size = (20 * PAGE_SIZE); + +module_param(storvsc_ringbuffer_size, int, S_IRUGO); +MODULE_PARM_DESC(storvsc_ringbuffer_size, "Ring buffer size (bytes)"); + +#define STORVSC_MAX_IO_REQUESTS 128 + +/* + * In Hyper-V, each port/path/target maps to 1 scsi host adapter. In + * reality, the path/target is not used (ie always set to 0) so our + * scsi host adapter essentially has 1 bus with 1 target that contains + * up to 256 luns. + */ +#define STORVSC_MAX_LUNS_PER_TARGET 64 +#define STORVSC_MAX_TARGETS 1 +#define STORVSC_MAX_CHANNELS 1 + + + +struct storvsc_cmd_request { + struct list_head entry; + struct scsi_cmnd *cmd; + + unsigned int bounce_sgl_count; + struct scatterlist *bounce_sgl; + + struct hv_device *device; + + /* Synchronize the request/response if needed */ + struct completion wait_event; + + unsigned char *sense_buffer; + struct hv_multipage_buffer data_buffer; + struct vstor_packet vstor_packet; +}; + + +/* A storvsc device is a device object that contains a vmbus channel */ +struct storvsc_device { + struct hv_device *device; + + bool destroy; + bool drain_notify; + atomic_t num_outstanding_req; + struct Scsi_Host *host; + + wait_queue_head_t waiting_to_drain; + + /* + * Each unique Port/Path/Target represents 1 channel ie scsi + * controller. In reality, the pathid, targetid is always 0 + * and the port is set by us + */ + unsigned int port_number; + unsigned char path_id; + unsigned char target_id; + + /* Used for vsc/vsp channel reset process */ + struct storvsc_cmd_request init_request; + struct storvsc_cmd_request reset_request; +}; + +struct stor_mem_pools { + struct kmem_cache *request_pool; + mempool_t *request_mempool; +}; + +struct hv_host_device { + struct hv_device *dev; + unsigned int port; + unsigned char path; + unsigned char target; +}; + +struct storvsc_scan_work { + struct work_struct work; + struct Scsi_Host *host; + uint lun; +}; + +static void storvsc_bus_scan(struct work_struct *work) +{ + struct storvsc_scan_work *wrk; + int id, order_id; + + wrk = container_of(work, struct storvsc_scan_work, work); + for (id = 0; id < wrk->host->max_id; ++id) { + if (wrk->host->reverse_ordering) + order_id = wrk->host->max_id - id - 1; + else + order_id = id; + + scsi_scan_target(&wrk->host->shost_gendev, 0, + order_id, SCAN_WILD_CARD, 1); + } + kfree(wrk); +} + +static void storvsc_remove_lun(struct work_struct *work) +{ + struct storvsc_scan_work *wrk; + struct scsi_device *sdev; + + wrk = container_of(work, struct storvsc_scan_work, work); + if (!scsi_host_get(wrk->host)) + goto done; + + sdev = scsi_device_lookup(wrk->host, 0, 0, wrk->lun); + + if (sdev) { + scsi_remove_device(sdev); + scsi_device_put(sdev); + } + scsi_host_put(wrk->host); + +done: + kfree(wrk); +} + +/* + * Major/minor macros. Minor version is in LSB, meaning that earlier flat + * version numbers will be interpreted as "0.x" (i.e., 1 becomes 0.1). + */ + +static inline u16 storvsc_get_version(u8 major, u8 minor) +{ + u16 version; + + version = ((major << 8) | minor); + return version; +} + +/* + * We can get incoming messages from the host that are not in response to + * messages that we have sent out. An example of this would be messages + * received by the guest to notify dynamic addition/removal of LUNs. To + * deal with potential race conditions where the driver may be in the + * midst of being unloaded when we might receive an unsolicited message + * from the host, we have implemented a mechanism to gurantee sequential + * consistency: + * + * 1) Once the device is marked as being destroyed, we will fail all + * outgoing messages. + * 2) We permit incoming messages when the device is being destroyed, + * only to properly account for messages already sent out. + */ + +static inline struct storvsc_device *get_out_stor_device( + struct hv_device *device) +{ + struct storvsc_device *stor_device; + + stor_device = hv_get_drvdata(device); + + if (stor_device && stor_device->destroy) + stor_device = NULL; + + return stor_device; +} + + +static inline void storvsc_wait_to_drain(struct storvsc_device *dev) +{ + dev->drain_notify = true; + wait_event(dev->waiting_to_drain, + atomic_read(&dev->num_outstanding_req) == 0); + dev->drain_notify = false; +} + +static inline struct storvsc_device *get_in_stor_device( + struct hv_device *device) +{ + struct storvsc_device *stor_device; + + stor_device = hv_get_drvdata(device); + + if (!stor_device) + goto get_in_err; + + /* + * If the device is being destroyed; allow incoming + * traffic only to cleanup outstanding requests. + */ + + if (stor_device->destroy && + (atomic_read(&stor_device->num_outstanding_req) == 0)) + stor_device = NULL; + +get_in_err: + return stor_device; + +} + +static void destroy_bounce_buffer(struct scatterlist *sgl, + unsigned int sg_count) +{ + int i; + struct page *page_buf; + + for (i = 0; i < sg_count; i++) { + page_buf = sg_page((&sgl[i])); + if (page_buf != NULL) + __free_page(page_buf); + } + + kfree(sgl); +} + +static int do_bounce_buffer(struct scatterlist *sgl, unsigned int sg_count) +{ + int i; + + /* No need to check */ + if (sg_count < 2) + return -1; + + /* We have at least 2 sg entries */ + for (i = 0; i < sg_count; i++) { + if (i == 0) { + /* make sure 1st one does not have hole */ + if (sgl[i].offset + sgl[i].length != PAGE_SIZE) + return i; + } else if (i == sg_count - 1) { + /* make sure last one does not have hole */ + if (sgl[i].offset != 0) + return i; + } else { + /* make sure no hole in the middle */ + if (sgl[i].length != PAGE_SIZE || sgl[i].offset != 0) + return i; + } + } + return -1; +} + +static struct scatterlist *create_bounce_buffer(struct scatterlist *sgl, + unsigned int sg_count, + unsigned int len, + int write) +{ + int i; + int num_pages; + struct scatterlist *bounce_sgl; + struct page *page_buf; + unsigned int buf_len = ((write == WRITE_TYPE) ? 0 : PAGE_SIZE); + + num_pages = ALIGN(len, PAGE_SIZE) >> PAGE_SHIFT; + + bounce_sgl = kcalloc(num_pages, sizeof(struct scatterlist), GFP_ATOMIC); + if (!bounce_sgl) + return NULL; + + for (i = 0; i < num_pages; i++) { + page_buf = alloc_page(GFP_ATOMIC); + if (!page_buf) + goto cleanup; + sg_set_page(&bounce_sgl[i], page_buf, buf_len, 0); + } + + return bounce_sgl; + +cleanup: + destroy_bounce_buffer(bounce_sgl, num_pages); + return NULL; +} + +/* Disgusting wrapper functions */ +static inline unsigned long sg_kmap_atomic(struct scatterlist *sgl, int idx) +{ + void *addr = kmap_atomic(sg_page(sgl + idx)); + return (unsigned long)addr; +} + +static inline void sg_kunmap_atomic(unsigned long addr) +{ + kunmap_atomic((void *)addr); +} + + +/* Assume the original sgl has enough room */ +static unsigned int copy_from_bounce_buffer(struct scatterlist *orig_sgl, + struct scatterlist *bounce_sgl, + unsigned int orig_sgl_count, + unsigned int bounce_sgl_count) +{ + int i; + int j = 0; + unsigned long src, dest; + unsigned int srclen, destlen, copylen; + unsigned int total_copied = 0; + unsigned long bounce_addr = 0; + unsigned long dest_addr = 0; + unsigned long flags; + + local_irq_save(flags); + + for (i = 0; i < orig_sgl_count; i++) { + dest_addr = sg_kmap_atomic(orig_sgl,i) + orig_sgl[i].offset; + dest = dest_addr; + destlen = orig_sgl[i].length; + + if (bounce_addr == 0) + bounce_addr = sg_kmap_atomic(bounce_sgl,j); + + while (destlen) { + src = bounce_addr + bounce_sgl[j].offset; + srclen = bounce_sgl[j].length - bounce_sgl[j].offset; + + copylen = min(srclen, destlen); + memcpy((void *)dest, (void *)src, copylen); + + total_copied += copylen; + bounce_sgl[j].offset += copylen; + destlen -= copylen; + dest += copylen; + + if (bounce_sgl[j].offset == bounce_sgl[j].length) { + /* full */ + sg_kunmap_atomic(bounce_addr); + j++; + + /* + * It is possible that the number of elements + * in the bounce buffer may not be equal to + * the number of elements in the original + * scatter list. Handle this correctly. + */ + + if (j == bounce_sgl_count) { + /* + * We are done; cleanup and return. + */ + sg_kunmap_atomic(dest_addr - orig_sgl[i].offset); + local_irq_restore(flags); + return total_copied; + } + + /* if we need to use another bounce buffer */ + if (destlen || i != orig_sgl_count - 1) + bounce_addr = sg_kmap_atomic(bounce_sgl,j); + } else if (destlen == 0 && i == orig_sgl_count - 1) { + /* unmap the last bounce that is < PAGE_SIZE */ + sg_kunmap_atomic(bounce_addr); + } + } + + sg_kunmap_atomic(dest_addr - orig_sgl[i].offset); + } + + local_irq_restore(flags); + + return total_copied; +} + +/* Assume the bounce_sgl has enough room ie using the create_bounce_buffer() */ +static unsigned int copy_to_bounce_buffer(struct scatterlist *orig_sgl, + struct scatterlist *bounce_sgl, + unsigned int orig_sgl_count) +{ + int i; + int j = 0; + unsigned long src, dest; + unsigned int srclen, destlen, copylen; + unsigned int total_copied = 0; + unsigned long bounce_addr = 0; + unsigned long src_addr = 0; + unsigned long flags; + + local_irq_save(flags); + + for (i = 0; i < orig_sgl_count; i++) { + src_addr = sg_kmap_atomic(orig_sgl,i) + orig_sgl[i].offset; + src = src_addr; + srclen = orig_sgl[i].length; + + if (bounce_addr == 0) + bounce_addr = sg_kmap_atomic(bounce_sgl,j); + + while (srclen) { + /* assume bounce offset always == 0 */ + dest = bounce_addr + bounce_sgl[j].length; + destlen = PAGE_SIZE - bounce_sgl[j].length; + + copylen = min(srclen, destlen); + memcpy((void *)dest, (void *)src, copylen); + + total_copied += copylen; + bounce_sgl[j].length += copylen; + srclen -= copylen; + src += copylen; + + if (bounce_sgl[j].length == PAGE_SIZE) { + /* full..move to next entry */ + sg_kunmap_atomic(bounce_addr); + j++; + + /* if we need to use another bounce buffer */ + if (srclen || i != orig_sgl_count - 1) + bounce_addr = sg_kmap_atomic(bounce_sgl,j); + + } else if (srclen == 0 && i == orig_sgl_count - 1) { + /* unmap the last bounce that is < PAGE_SIZE */ + sg_kunmap_atomic(bounce_addr); + } + } + + sg_kunmap_atomic(src_addr - orig_sgl[i].offset); + } + + local_irq_restore(flags); + + return total_copied; +} + +static int storvsc_channel_init(struct hv_device *device) +{ + struct storvsc_device *stor_device; + struct storvsc_cmd_request *request; + struct vstor_packet *vstor_packet; + int ret, t; + + stor_device = get_out_stor_device(device); + if (!stor_device) + return -ENODEV; + + request = &stor_device->init_request; + vstor_packet = &request->vstor_packet; + + /* + * Now, initiate the vsc/vsp initialization protocol on the open + * channel + */ + memset(request, 0, sizeof(struct storvsc_cmd_request)); + init_completion(&request->wait_event); + vstor_packet->operation = VSTOR_OPERATION_BEGIN_INITIALIZATION; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; + + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + if (ret != 0) + goto cleanup; + + t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + if (t == 0) { + ret = -ETIMEDOUT; + goto cleanup; + } + + if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || + vstor_packet->status != 0) + goto cleanup; + + + /* reuse the packet for version range supported */ + memset(vstor_packet, 0, sizeof(struct vstor_packet)); + vstor_packet->operation = VSTOR_OPERATION_QUERY_PROTOCOL_VERSION; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; + + vstor_packet->version.major_minor = + storvsc_get_version(VMSTOR_CURRENT_MAJOR, VMSTOR_CURRENT_MINOR); + + /* + * The revision number is only used in Windows; set it to 0. + */ + vstor_packet->version.revision = 0; + + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + if (ret != 0) + goto cleanup; + + t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + if (t == 0) { + ret = -ETIMEDOUT; + goto cleanup; + } + + if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || + vstor_packet->status != 0) + goto cleanup; + + + memset(vstor_packet, 0, sizeof(struct vstor_packet)); + vstor_packet->operation = VSTOR_OPERATION_QUERY_PROPERTIES; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; + vstor_packet->storage_channel_properties.port_number = + stor_device->port_number; + + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + + if (ret != 0) + goto cleanup; + + t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + if (t == 0) { + ret = -ETIMEDOUT; + goto cleanup; + } + + if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || + vstor_packet->status != 0) + goto cleanup; + + stor_device->path_id = vstor_packet->storage_channel_properties.path_id; + stor_device->target_id + = vstor_packet->storage_channel_properties.target_id; + + memset(vstor_packet, 0, sizeof(struct vstor_packet)); + vstor_packet->operation = VSTOR_OPERATION_END_INITIALIZATION; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; + + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + + if (ret != 0) + goto cleanup; + + t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + if (t == 0) { + ret = -ETIMEDOUT; + goto cleanup; + } + + if (vstor_packet->operation != VSTOR_OPERATION_COMPLETE_IO || + vstor_packet->status != 0) + goto cleanup; + + +cleanup: + return ret; +} + + +static void storvsc_command_completion(struct storvsc_cmd_request *cmd_request) +{ + struct scsi_cmnd *scmnd = cmd_request->cmd; + struct hv_host_device *host_dev = shost_priv(scmnd->device->host); + void (*scsi_done_fn)(struct scsi_cmnd *); + struct scsi_sense_hdr sense_hdr; + struct vmscsi_request *vm_srb; + struct storvsc_scan_work *wrk; + struct stor_mem_pools *memp = scmnd->device->hostdata; + + vm_srb = &cmd_request->vstor_packet.vm_srb; + if (cmd_request->bounce_sgl_count) { + if (vm_srb->data_in == READ_TYPE) + copy_from_bounce_buffer(scsi_sglist(scmnd), + cmd_request->bounce_sgl, + scsi_sg_count(scmnd), + cmd_request->bounce_sgl_count); + destroy_bounce_buffer(cmd_request->bounce_sgl, + cmd_request->bounce_sgl_count); + } + + /* + * If there is an error; offline the device since all + * error recovery strategies would have already been + * deployed on the host side. + */ + if (vm_srb->srb_status == SRB_STATUS_ERROR) + scmnd->result = DID_TARGET_FAILURE << 16; + else + scmnd->result = vm_srb->scsi_status; + + /* + * If the LUN is invalid; remove the device. + */ + if (vm_srb->srb_status == SRB_STATUS_INVALID_LUN) { + struct storvsc_device *stor_dev; + struct hv_device *dev = host_dev->dev; + struct Scsi_Host *host; + + stor_dev = get_in_stor_device(dev); + host = stor_dev->host; + + wrk = kmalloc(sizeof(struct storvsc_scan_work), + GFP_ATOMIC); + if (!wrk) { + scmnd->result = DID_TARGET_FAILURE << 16; + } else { + wrk->host = host; + wrk->lun = vm_srb->lun; + INIT_WORK(&wrk->work, storvsc_remove_lun); + schedule_work(&wrk->work); + } + } + + if (scmnd->result) { + if (scsi_normalize_sense(scmnd->sense_buffer, + SCSI_SENSE_BUFFERSIZE, &sense_hdr)) + scsi_print_sense_hdr("storvsc", &sense_hdr); + } + + scsi_set_resid(scmnd, + cmd_request->data_buffer.len - + vm_srb->data_transfer_length); + + scsi_done_fn = scmnd->scsi_done; + + scmnd->host_scribble = NULL; + scmnd->scsi_done = NULL; + + scsi_done_fn(scmnd); + + mempool_free(cmd_request, memp->request_mempool); +} + +static void storvsc_on_io_completion(struct hv_device *device, + struct vstor_packet *vstor_packet, + struct storvsc_cmd_request *request) +{ + struct storvsc_device *stor_device; + struct vstor_packet *stor_pkt; + + stor_device = hv_get_drvdata(device); + stor_pkt = &request->vstor_packet; + + /* + * The current SCSI handling on the host side does + * not correctly handle: + * INQUIRY command with page code parameter set to 0x80 + * MODE_SENSE command with cmd[2] == 0x1c + * + * Setup srb and scsi status so this won't be fatal. + * We do this so we can distinguish truly fatal failues + * (srb status == 0x4) and off-line the device in that case. + */ + + if ((stor_pkt->vm_srb.cdb[0] == INQUIRY) || + (stor_pkt->vm_srb.cdb[0] == MODE_SENSE)) { + vstor_packet->vm_srb.scsi_status = 0; + vstor_packet->vm_srb.srb_status = SRB_STATUS_SUCCESS; + } + + + /* Copy over the status...etc */ + stor_pkt->vm_srb.scsi_status = vstor_packet->vm_srb.scsi_status; + stor_pkt->vm_srb.srb_status = vstor_packet->vm_srb.srb_status; + stor_pkt->vm_srb.sense_info_length = + vstor_packet->vm_srb.sense_info_length; + + if (vstor_packet->vm_srb.scsi_status != 0 || + vstor_packet->vm_srb.srb_status != SRB_STATUS_SUCCESS){ + dev_warn(&device->device, + "cmd 0x%x scsi status 0x%x srb status 0x%x\n", + stor_pkt->vm_srb.cdb[0], + vstor_packet->vm_srb.scsi_status, + vstor_packet->vm_srb.srb_status); + } + + if ((vstor_packet->vm_srb.scsi_status & 0xFF) == 0x02) { + /* CHECK_CONDITION */ + if (vstor_packet->vm_srb.srb_status & + SRB_STATUS_AUTOSENSE_VALID) { + /* autosense data available */ + dev_warn(&device->device, + "stor pkt %p autosense data valid - len %d\n", + request, + vstor_packet->vm_srb.sense_info_length); + + memcpy(request->sense_buffer, + vstor_packet->vm_srb.sense_data, + vstor_packet->vm_srb.sense_info_length); + + } + } + + stor_pkt->vm_srb.data_transfer_length = + vstor_packet->vm_srb.data_transfer_length; + + storvsc_command_completion(request); + + if (atomic_dec_and_test(&stor_device->num_outstanding_req) && + stor_device->drain_notify) + wake_up(&stor_device->waiting_to_drain); + + +} + +static void storvsc_on_receive(struct hv_device *device, + struct vstor_packet *vstor_packet, + struct storvsc_cmd_request *request) +{ + struct storvsc_scan_work *work; + struct storvsc_device *stor_device; + + switch (vstor_packet->operation) { + case VSTOR_OPERATION_COMPLETE_IO: + storvsc_on_io_completion(device, vstor_packet, request); + break; + + case VSTOR_OPERATION_REMOVE_DEVICE: + case VSTOR_OPERATION_ENUMERATE_BUS: + stor_device = get_in_stor_device(device); + work = kmalloc(sizeof(struct storvsc_scan_work), GFP_ATOMIC); + if (!work) + return; + + INIT_WORK(&work->work, storvsc_bus_scan); + work->host = stor_device->host; + schedule_work(&work->work); + break; + + default: + break; + } +} + +static void storvsc_on_channel_callback(void *context) +{ + struct hv_device *device = (struct hv_device *)context; + struct storvsc_device *stor_device; + u32 bytes_recvd; + u64 request_id; + unsigned char packet[ALIGN(sizeof(struct vstor_packet), 8)]; + struct storvsc_cmd_request *request; + int ret; + + + stor_device = get_in_stor_device(device); + if (!stor_device) + return; + + do { + ret = vmbus_recvpacket(device->channel, packet, + ALIGN(sizeof(struct vstor_packet), 8), + &bytes_recvd, &request_id); + if (ret == 0 && bytes_recvd > 0) { + + request = (struct storvsc_cmd_request *) + (unsigned long)request_id; + + if ((request == &stor_device->init_request) || + (request == &stor_device->reset_request)) { + + memcpy(&request->vstor_packet, packet, + sizeof(struct vstor_packet)); + complete(&request->wait_event); + } else { + storvsc_on_receive(device, + (struct vstor_packet *)packet, + request); + } + } else { + break; + } + } while (1); + + return; +} + +static int storvsc_connect_to_vsp(struct hv_device *device, u32 ring_size) +{ + struct vmstorage_channel_properties props; + int ret; + + memset(&props, 0, sizeof(struct vmstorage_channel_properties)); + + ret = vmbus_open(device->channel, + ring_size, + ring_size, + (void *)&props, + sizeof(struct vmstorage_channel_properties), + storvsc_on_channel_callback, device); + + if (ret != 0) + return ret; + + ret = storvsc_channel_init(device); + + return ret; +} + +static int storvsc_dev_remove(struct hv_device *device) +{ + struct storvsc_device *stor_device; + unsigned long flags; + + stor_device = hv_get_drvdata(device); + + spin_lock_irqsave(&device->channel->inbound_lock, flags); + stor_device->destroy = true; + spin_unlock_irqrestore(&device->channel->inbound_lock, flags); + + /* + * At this point, all outbound traffic should be disable. We + * only allow inbound traffic (responses) to proceed so that + * outstanding requests can be completed. + */ + + storvsc_wait_to_drain(stor_device); + + /* + * Since we have already drained, we don't need to busy wait + * as was done in final_release_stor_device() + * Note that we cannot set the ext pointer to NULL until + * we have drained - to drain the outgoing packets, we need to + * allow incoming packets. + */ + spin_lock_irqsave(&device->channel->inbound_lock, flags); + hv_set_drvdata(device, NULL); + spin_unlock_irqrestore(&device->channel->inbound_lock, flags); + + /* Close the channel */ + vmbus_close(device->channel); + + kfree(stor_device); + return 0; +} + +static int storvsc_do_io(struct hv_device *device, + struct storvsc_cmd_request *request) +{ + struct storvsc_device *stor_device; + struct vstor_packet *vstor_packet; + int ret = 0; + + vstor_packet = &request->vstor_packet; + stor_device = get_out_stor_device(device); + + if (!stor_device) + return -ENODEV; + + + request->device = device; + + + vstor_packet->flags |= REQUEST_COMPLETION_FLAG; + + vstor_packet->vm_srb.length = sizeof(struct vmscsi_request); + + + vstor_packet->vm_srb.sense_info_length = STORVSC_SENSE_BUFFER_SIZE; + + + vstor_packet->vm_srb.data_transfer_length = + request->data_buffer.len; + + vstor_packet->operation = VSTOR_OPERATION_EXECUTE_SRB; + + if (request->data_buffer.len) { + ret = vmbus_sendpacket_multipagebuffer(device->channel, + &request->data_buffer, + vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request); + } else { + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + } + + if (ret != 0) + return ret; + + atomic_inc(&stor_device->num_outstanding_req); + + return ret; +} + +static int storvsc_device_alloc(struct scsi_device *sdevice) +{ + struct stor_mem_pools *memp; + int number = STORVSC_MIN_BUF_NR; + + memp = kzalloc(sizeof(struct stor_mem_pools), GFP_KERNEL); + if (!memp) + return -ENOMEM; + + memp->request_pool = + kmem_cache_create(dev_name(&sdevice->sdev_dev), + sizeof(struct storvsc_cmd_request), 0, + SLAB_HWCACHE_ALIGN, NULL); + + if (!memp->request_pool) + goto err0; + + memp->request_mempool = mempool_create(number, mempool_alloc_slab, + mempool_free_slab, + memp->request_pool); + + if (!memp->request_mempool) + goto err1; + + sdevice->hostdata = memp; + + return 0; + +err1: + kmem_cache_destroy(memp->request_pool); + +err0: + kfree(memp); + return -ENOMEM; +} + +static void storvsc_device_destroy(struct scsi_device *sdevice) +{ + struct stor_mem_pools *memp = sdevice->hostdata; + + mempool_destroy(memp->request_mempool); + kmem_cache_destroy(memp->request_pool); + kfree(memp); + sdevice->hostdata = NULL; +} + +static int storvsc_device_configure(struct scsi_device *sdevice) +{ + scsi_adjust_queue_depth(sdevice, MSG_SIMPLE_TAG, + STORVSC_MAX_IO_REQUESTS); + + blk_queue_max_segment_size(sdevice->request_queue, PAGE_SIZE); + + blk_queue_bounce_limit(sdevice->request_queue, BLK_BOUNCE_ANY); + + return 0; +} + +static int storvsc_get_chs(struct scsi_device *sdev, struct block_device * bdev, + sector_t capacity, int *info) +{ + sector_t nsect = capacity; + sector_t cylinders = nsect; + int heads, sectors_pt; + + /* + * We are making up these values; let us keep it simple. + */ + heads = 0xff; + sectors_pt = 0x3f; /* Sectors per track */ + sector_div(cylinders, heads * sectors_pt); + if ((sector_t)(cylinders + 1) * heads * sectors_pt < nsect) + cylinders = 0xffff; + + info[0] = heads; + info[1] = sectors_pt; + info[2] = (int)cylinders; + + return 0; +} + +static int storvsc_host_reset_handler(struct scsi_cmnd *scmnd) +{ + struct hv_host_device *host_dev = shost_priv(scmnd->device->host); + struct hv_device *device = host_dev->dev; + + struct storvsc_device *stor_device; + struct storvsc_cmd_request *request; + struct vstor_packet *vstor_packet; + int ret, t; + + + stor_device = get_out_stor_device(device); + if (!stor_device) + return FAILED; + + request = &stor_device->reset_request; + vstor_packet = &request->vstor_packet; + + init_completion(&request->wait_event); + + vstor_packet->operation = VSTOR_OPERATION_RESET_BUS; + vstor_packet->flags = REQUEST_COMPLETION_FLAG; + vstor_packet->vm_srb.path_id = stor_device->path_id; + + ret = vmbus_sendpacket(device->channel, vstor_packet, + sizeof(struct vstor_packet), + (unsigned long)&stor_device->reset_request, + VM_PKT_DATA_INBAND, + VMBUS_DATA_PACKET_FLAG_COMPLETION_REQUESTED); + if (ret != 0) + return FAILED; + + t = wait_for_completion_timeout(&request->wait_event, 5*HZ); + if (t == 0) + return TIMEOUT_ERROR; + + + /* + * At this point, all outstanding requests in the adapter + * should have been flushed out and return to us + */ + + return SUCCESS; +} + +static bool storvsc_scsi_cmd_ok(struct scsi_cmnd *scmnd) +{ + bool allowed = true; + u8 scsi_op = scmnd->cmnd[0]; + + switch (scsi_op) { + /* + * smartd sends this command and the host does not handle + * this. So, don't send it. + */ + case SET_WINDOW: + scmnd->result = ILLEGAL_REQUEST << 16; + allowed = false; + break; + default: + break; + } + return allowed; +} + +static int storvsc_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *scmnd) +{ + int ret; + struct hv_host_device *host_dev = shost_priv(host); + struct hv_device *dev = host_dev->dev; + struct storvsc_cmd_request *cmd_request; + unsigned int request_size = 0; + int i; + struct scatterlist *sgl; + unsigned int sg_count = 0; + struct vmscsi_request *vm_srb; + struct stor_mem_pools *memp = scmnd->device->hostdata; + + if (!storvsc_scsi_cmd_ok(scmnd)) { + scmnd->scsi_done(scmnd); + return 0; + } + + request_size = sizeof(struct storvsc_cmd_request); + + cmd_request = mempool_alloc(memp->request_mempool, + GFP_ATOMIC); + + /* + * We might be invoked in an interrupt context; hence + * mempool_alloc() can fail. + */ + if (!cmd_request) + return SCSI_MLQUEUE_DEVICE_BUSY; + + memset(cmd_request, 0, sizeof(struct storvsc_cmd_request)); + + /* Setup the cmd request */ + cmd_request->cmd = scmnd; + + scmnd->host_scribble = (unsigned char *)cmd_request; + + vm_srb = &cmd_request->vstor_packet.vm_srb; + + + /* Build the SRB */ + switch (scmnd->sc_data_direction) { + case DMA_TO_DEVICE: + vm_srb->data_in = WRITE_TYPE; + break; + case DMA_FROM_DEVICE: + vm_srb->data_in = READ_TYPE; + break; + default: + vm_srb->data_in = UNKNOWN_TYPE; + break; + } + + + vm_srb->port_number = host_dev->port; + vm_srb->path_id = scmnd->device->channel; + vm_srb->target_id = scmnd->device->id; + vm_srb->lun = scmnd->device->lun; + + vm_srb->cdb_length = scmnd->cmd_len; + + memcpy(vm_srb->cdb, scmnd->cmnd, vm_srb->cdb_length); + + cmd_request->sense_buffer = scmnd->sense_buffer; + + + cmd_request->data_buffer.len = scsi_bufflen(scmnd); + if (scsi_sg_count(scmnd)) { + sgl = (struct scatterlist *)scsi_sglist(scmnd); + sg_count = scsi_sg_count(scmnd); + + /* check if we need to bounce the sgl */ + if (do_bounce_buffer(sgl, scsi_sg_count(scmnd)) != -1) { + cmd_request->bounce_sgl = + create_bounce_buffer(sgl, scsi_sg_count(scmnd), + scsi_bufflen(scmnd), + vm_srb->data_in); + if (!cmd_request->bounce_sgl) { + ret = SCSI_MLQUEUE_HOST_BUSY; + goto queue_error; + } + + cmd_request->bounce_sgl_count = + ALIGN(scsi_bufflen(scmnd), PAGE_SIZE) >> + PAGE_SHIFT; + + if (vm_srb->data_in == WRITE_TYPE) + copy_to_bounce_buffer(sgl, + cmd_request->bounce_sgl, + scsi_sg_count(scmnd)); + + sgl = cmd_request->bounce_sgl; + sg_count = cmd_request->bounce_sgl_count; + } + + cmd_request->data_buffer.offset = sgl[0].offset; + + for (i = 0; i < sg_count; i++) + cmd_request->data_buffer.pfn_array[i] = + page_to_pfn(sg_page((&sgl[i]))); + + } else if (scsi_sglist(scmnd)) { + cmd_request->data_buffer.offset = + virt_to_phys(scsi_sglist(scmnd)) & (PAGE_SIZE-1); + cmd_request->data_buffer.pfn_array[0] = + virt_to_phys(scsi_sglist(scmnd)) >> PAGE_SHIFT; + } + + /* Invokes the vsc to start an IO */ + ret = storvsc_do_io(dev, cmd_request); + + if (ret == -EAGAIN) { + /* no more space */ + + if (cmd_request->bounce_sgl_count) { + destroy_bounce_buffer(cmd_request->bounce_sgl, + cmd_request->bounce_sgl_count); + + ret = SCSI_MLQUEUE_DEVICE_BUSY; + goto queue_error; + } + } + + return 0; + +queue_error: + mempool_free(cmd_request, memp->request_mempool); + scmnd->host_scribble = NULL; + return ret; +} + +static struct scsi_host_template scsi_driver = { + .module = THIS_MODULE, + .name = "storvsc_host_t", + .bios_param = storvsc_get_chs, + .queuecommand = storvsc_queuecommand, + .eh_host_reset_handler = storvsc_host_reset_handler, + .slave_alloc = storvsc_device_alloc, + .slave_destroy = storvsc_device_destroy, + .slave_configure = storvsc_device_configure, + .cmd_per_lun = 1, + /* 64 max_queue * 1 target */ + .can_queue = STORVSC_MAX_IO_REQUESTS*STORVSC_MAX_TARGETS, + .this_id = -1, + /* no use setting to 0 since ll_blk_rw reset it to 1 */ + /* currently 32 */ + .sg_tablesize = MAX_MULTIPAGE_BUFFER_COUNT, + .use_clustering = DISABLE_CLUSTERING, + /* Make sure we dont get a sg segment crosses a page boundary */ + .dma_boundary = PAGE_SIZE-1, +}; + +enum { + SCSI_GUID, + IDE_GUID, +}; + +static const struct hv_vmbus_device_id id_table[] = { + /* SCSI guid */ + { VMBUS_DEVICE(0xd9, 0x63, 0x61, 0xba, 0xa1, 0x04, 0x29, 0x4d, + 0xb6, 0x05, 0x72, 0xe2, 0xff, 0xb1, 0xdc, 0x7f) + .driver_data = SCSI_GUID }, + /* IDE guid */ + { VMBUS_DEVICE(0x32, 0x26, 0x41, 0x32, 0xcb, 0x86, 0xa2, 0x44, + 0x9b, 0x5c, 0x50, 0xd1, 0x41, 0x73, 0x54, 0xf5) + .driver_data = IDE_GUID }, + { }, +}; + +MODULE_DEVICE_TABLE(vmbus, id_table); + +static int storvsc_probe(struct hv_device *device, + const struct hv_vmbus_device_id *dev_id) +{ + int ret; + struct Scsi_Host *host; + struct hv_host_device *host_dev; + bool dev_is_ide = ((dev_id->driver_data == IDE_GUID) ? true : false); + int target = 0; + struct storvsc_device *stor_device; + + host = scsi_host_alloc(&scsi_driver, + sizeof(struct hv_host_device)); + if (!host) + return -ENOMEM; + + host_dev = shost_priv(host); + memset(host_dev, 0, sizeof(struct hv_host_device)); + + host_dev->port = host->host_no; + host_dev->dev = device; + + + stor_device = kzalloc(sizeof(struct storvsc_device), GFP_KERNEL); + if (!stor_device) { + ret = -ENOMEM; + goto err_out0; + } + + stor_device->destroy = false; + init_waitqueue_head(&stor_device->waiting_to_drain); + stor_device->device = device; + stor_device->host = host; + hv_set_drvdata(device, stor_device); + + stor_device->port_number = host->host_no; + ret = storvsc_connect_to_vsp(device, storvsc_ringbuffer_size); + if (ret) + goto err_out1; + + host_dev->path = stor_device->path_id; + host_dev->target = stor_device->target_id; + + /* max # of devices per target */ + host->max_lun = STORVSC_MAX_LUNS_PER_TARGET; + /* max # of targets per channel */ + host->max_id = STORVSC_MAX_TARGETS; + /* max # of channels */ + host->max_channel = STORVSC_MAX_CHANNELS - 1; + /* max cmd length */ + host->max_cmd_len = STORVSC_MAX_CMD_LEN; + + /* Register the HBA and start the scsi bus scan */ + ret = scsi_add_host(host, &device->device); + if (ret != 0) + goto err_out2; + + if (!dev_is_ide) { + scsi_scan_host(host); + } else { + target = (device->dev_instance.b[5] << 8 | + device->dev_instance.b[4]); + ret = scsi_add_device(host, 0, target, 0); + if (ret) { + scsi_remove_host(host); + goto err_out2; + } + } + return 0; + +err_out2: + /* + * Once we have connected with the host, we would need to + * to invoke storvsc_dev_remove() to rollback this state and + * this call also frees up the stor_device; hence the jump around + * err_out1 label. + */ + storvsc_dev_remove(device); + goto err_out0; + +err_out1: + kfree(stor_device); + +err_out0: + scsi_host_put(host); + return ret; +} + +static int storvsc_remove(struct hv_device *dev) +{ + struct storvsc_device *stor_device = hv_get_drvdata(dev); + struct Scsi_Host *host = stor_device->host; + + scsi_remove_host(host); + storvsc_dev_remove(dev); + scsi_host_put(host); + + return 0; +} + +static struct hv_driver storvsc_drv = { + .name = KBUILD_MODNAME, + .id_table = id_table, + .probe = storvsc_probe, + .remove = storvsc_remove, +}; + +static int __init storvsc_drv_init(void) +{ + u32 max_outstanding_req_per_channel; + + /* + * Divide the ring buffer data size (which is 1 page less + * than the ring buffer size since that page is reserved for + * the ring buffer indices) by the max request size (which is + * vmbus_channel_packet_multipage_buffer + struct vstor_packet + u64) + */ + max_outstanding_req_per_channel = + ((storvsc_ringbuffer_size - PAGE_SIZE) / + ALIGN(MAX_MULTIPAGE_BUFFER_PACKET + + sizeof(struct vstor_packet) + sizeof(u64), + sizeof(u64))); + + if (max_outstanding_req_per_channel < + STORVSC_MAX_IO_REQUESTS) + return -EINVAL; + + return vmbus_driver_register(&storvsc_drv); +} + +static void __exit storvsc_drv_exit(void) +{ + vmbus_driver_unregister(&storvsc_drv); +} + +MODULE_LICENSE("GPL"); +MODULE_VERSION(HV_DRV_VERSION); +MODULE_DESCRIPTION("Microsoft Hyper-V virtual storage driver"); +module_init(storvsc_drv_init); +module_exit(storvsc_drv_exit); diff --git a/drivers/scsi/sun3_scsi.c b/drivers/scsi/sun3_scsi.c index baf7328de95..6e25889db9d 100644 --- a/drivers/scsi/sun3_scsi.c +++ b/drivers/scsi/sun3_scsi.c @@ -63,7 +63,6 @@ #include <linux/blkdev.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/sun3ints.h> #include <asm/dvma.h> diff --git a/drivers/scsi/sun3_scsi_vme.c b/drivers/scsi/sun3_scsi_vme.c index fbba78e5722..a3dd55d1d2f 100644 --- a/drivers/scsi/sun3_scsi_vme.c +++ b/drivers/scsi/sun3_scsi_vme.c @@ -25,7 +25,6 @@ #include <linux/blkdev.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/sun3ints.h> #include <asm/dvma.h> diff --git a/drivers/scsi/sym53c416.c b/drivers/scsi/sym53c416.c index 012c86edd59..ac4eca6a532 100644 --- a/drivers/scsi/sym53c416.c +++ b/drivers/scsi/sym53c416.c @@ -37,7 +37,6 @@ #include <linux/proc_fs.h> #include <linux/spinlock.h> #include <asm/dma.h> -#include <asm/system.h> #include <asm/io.h> #include <linux/blkdev.h> #include <linux/isapnp.h> diff --git a/drivers/scsi/t128.c b/drivers/scsi/t128.c index 041eaaace2c..d672d97fb84 100644 --- a/drivers/scsi/t128.c +++ b/drivers/scsi/t128.c @@ -106,7 +106,6 @@ * $Log: t128.c,v $ */ -#include <asm/system.h> #include <linux/signal.h> #include <linux/io.h> #include <linux/blkdev.h> diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c index 90e104d6b55..9c216e56356 100644 --- a/drivers/scsi/u14-34f.c +++ b/drivers/scsi/u14-34f.c @@ -410,7 +410,6 @@ #include <linux/ioport.h> #include <linux/delay.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/byteorder.h> #include <linux/proc_fs.h> #include <linux/blkdev.h> diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig new file mode 100644 index 00000000000..8f27f9d6f91 --- /dev/null +++ b/drivers/scsi/ufs/Kconfig @@ -0,0 +1,49 @@ +# +# Kernel configuration file for the UFS Host Controller +# +# This code is based on drivers/scsi/ufs/Kconfig +# Copyright (C) 2011 Samsung Samsung India Software Operations +# +# Santosh Yaraganavi <santosh.sy@samsung.com> +# Vinayak Holikatti <h.vinayak@samsung.com> + +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License +# as published by the Free Software Foundation; either version 2 +# of the License, or (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# NO WARRANTY +# THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR +# CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT +# LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, +# MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is +# solely responsible for determining the appropriateness of using and +# distributing the Program and assumes all risks associated with its +# exercise of rights under this Agreement, including but not limited to +# the risks and costs of program errors, damage to or loss of data, +# programs or equipment, and unavailability or interruption of operations. + +# DISCLAIMER OF LIABILITY +# NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY +# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL +# DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND +# ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR +# TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE +# USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED +# HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, +# USA. + +config SCSI_UFSHCD + tristate "Universal Flash Storage host controller driver" + depends on PCI && SCSI + ---help--- + This is a generic driver which supports PCIe UFS Host controllers. diff --git a/drivers/scsi/ufs/Makefile b/drivers/scsi/ufs/Makefile new file mode 100644 index 00000000000..adf7895a6a9 --- /dev/null +++ b/drivers/scsi/ufs/Makefile @@ -0,0 +1,2 @@ +# UFSHCD makefile +obj-$(CONFIG_SCSI_UFSHCD) += ufshcd.o diff --git a/drivers/scsi/ufs/ufs.h b/drivers/scsi/ufs/ufs.h new file mode 100644 index 00000000000..b207529f8d5 --- /dev/null +++ b/drivers/scsi/ufs/ufs.h @@ -0,0 +1,207 @@ +/* + * Universal Flash Storage Host controller driver + * + * This code is based on drivers/scsi/ufs/ufs.h + * Copyright (C) 2011-2012 Samsung India Software Operations + * + * Santosh Yaraganavi <santosh.sy@samsung.com> + * Vinayak Holikatti <h.vinayak@samsung.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * NO WARRANTY + * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR + * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT + * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is + * solely responsible for determining the appropriateness of using and + * distributing the Program and assumes all risks associated with its + * exercise of rights under this Agreement, including but not limited to + * the risks and costs of program errors, damage to or loss of data, + * programs or equipment, and unavailability or interruption of operations. + + * DISCLAIMER OF LIABILITY + * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED + * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#ifndef _UFS_H +#define _UFS_H + +#define MAX_CDB_SIZE 16 + +#define UPIU_HEADER_DWORD(byte3, byte2, byte1, byte0)\ + ((byte3 << 24) | (byte2 << 16) |\ + (byte1 << 8) | (byte0)) + +/* + * UFS Protocol Information Unit related definitions + */ + +/* Task management functions */ +enum { + UFS_ABORT_TASK = 0x01, + UFS_ABORT_TASK_SET = 0x02, + UFS_CLEAR_TASK_SET = 0x04, + UFS_LOGICAL_RESET = 0x08, + UFS_QUERY_TASK = 0x80, + UFS_QUERY_TASK_SET = 0x81, +}; + +/* UTP UPIU Transaction Codes Initiator to Target */ +enum { + UPIU_TRANSACTION_NOP_OUT = 0x00, + UPIU_TRANSACTION_COMMAND = 0x01, + UPIU_TRANSACTION_DATA_OUT = 0x02, + UPIU_TRANSACTION_TASK_REQ = 0x04, + UPIU_TRANSACTION_QUERY_REQ = 0x26, +}; + +/* UTP UPIU Transaction Codes Target to Initiator */ +enum { + UPIU_TRANSACTION_NOP_IN = 0x20, + UPIU_TRANSACTION_RESPONSE = 0x21, + UPIU_TRANSACTION_DATA_IN = 0x22, + UPIU_TRANSACTION_TASK_RSP = 0x24, + UPIU_TRANSACTION_READY_XFER = 0x31, + UPIU_TRANSACTION_QUERY_RSP = 0x36, +}; + +/* UPIU Read/Write flags */ +enum { + UPIU_CMD_FLAGS_NONE = 0x00, + UPIU_CMD_FLAGS_WRITE = 0x20, + UPIU_CMD_FLAGS_READ = 0x40, +}; + +/* UPIU Task Attributes */ +enum { + UPIU_TASK_ATTR_SIMPLE = 0x00, + UPIU_TASK_ATTR_ORDERED = 0x01, + UPIU_TASK_ATTR_HEADQ = 0x02, + UPIU_TASK_ATTR_ACA = 0x03, +}; + +/* UTP QUERY Transaction Specific Fields OpCode */ +enum { + UPIU_QUERY_OPCODE_NOP = 0x0, + UPIU_QUERY_OPCODE_READ_DESC = 0x1, + UPIU_QUERY_OPCODE_WRITE_DESC = 0x2, + UPIU_QUERY_OPCODE_READ_ATTR = 0x3, + UPIU_QUERY_OPCODE_WRITE_ATTR = 0x4, + UPIU_QUERY_OPCODE_READ_FLAG = 0x5, + UPIU_QUERY_OPCODE_SET_FLAG = 0x6, + UPIU_QUERY_OPCODE_CLEAR_FLAG = 0x7, + UPIU_QUERY_OPCODE_TOGGLE_FLAG = 0x8, +}; + +/* UTP Transfer Request Command Type (CT) */ +enum { + UPIU_COMMAND_SET_TYPE_SCSI = 0x0, + UPIU_COMMAND_SET_TYPE_UFS = 0x1, + UPIU_COMMAND_SET_TYPE_QUERY = 0x2, +}; + +enum { + MASK_SCSI_STATUS = 0xFF, + MASK_TASK_RESPONSE = 0xFF00, + MASK_RSP_UPIU_RESULT = 0xFFFF, +}; + +/* Task management service response */ +enum { + UPIU_TASK_MANAGEMENT_FUNC_COMPL = 0x00, + UPIU_TASK_MANAGEMENT_FUNC_NOT_SUPPORTED = 0x04, + UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED = 0x08, + UPIU_TASK_MANAGEMENT_FUNC_FAILED = 0x05, + UPIU_INCORRECT_LOGICAL_UNIT_NO = 0x09, +}; +/** + * struct utp_upiu_header - UPIU header structure + * @dword_0: UPIU header DW-0 + * @dword_1: UPIU header DW-1 + * @dword_2: UPIU header DW-2 + */ +struct utp_upiu_header { + u32 dword_0; + u32 dword_1; + u32 dword_2; +}; + +/** + * struct utp_upiu_cmd - Command UPIU structure + * @header: UPIU header structure DW-0 to DW-2 + * @data_transfer_len: Data Transfer Length DW-3 + * @cdb: Command Descriptor Block CDB DW-4 to DW-7 + */ +struct utp_upiu_cmd { + struct utp_upiu_header header; + u32 exp_data_transfer_len; + u8 cdb[MAX_CDB_SIZE]; +}; + +/** + * struct utp_upiu_rsp - Response UPIU structure + * @header: UPIU header DW-0 to DW-2 + * @residual_transfer_count: Residual transfer count DW-3 + * @reserved: Reserved double words DW-4 to DW-7 + * @sense_data_len: Sense data length DW-8 U16 + * @sense_data: Sense data field DW-8 to DW-12 + */ +struct utp_upiu_rsp { + struct utp_upiu_header header; + u32 residual_transfer_count; + u32 reserved[4]; + u16 sense_data_len; + u8 sense_data[18]; +}; + +/** + * struct utp_upiu_task_req - Task request UPIU structure + * @header - UPIU header structure DW0 to DW-2 + * @input_param1: Input parameter 1 DW-3 + * @input_param2: Input parameter 2 DW-4 + * @input_param3: Input parameter 3 DW-5 + * @reserved: Reserved double words DW-6 to DW-7 + */ +struct utp_upiu_task_req { + struct utp_upiu_header header; + u32 input_param1; + u32 input_param2; + u32 input_param3; + u32 reserved[2]; +}; + +/** + * struct utp_upiu_task_rsp - Task Management Response UPIU structure + * @header: UPIU header structure DW0-DW-2 + * @output_param1: Ouput parameter 1 DW3 + * @output_param2: Output parameter 2 DW4 + * @reserved: Reserved double words DW-5 to DW-7 + */ +struct utp_upiu_task_rsp { + struct utp_upiu_header header; + u32 output_param1; + u32 output_param2; + u32 reserved[3]; +}; + +#endif /* End of Header */ diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c new file mode 100644 index 00000000000..52b96e8bf92 --- /dev/null +++ b/drivers/scsi/ufs/ufshcd.c @@ -0,0 +1,1978 @@ +/* + * Universal Flash Storage Host controller driver + * + * This code is based on drivers/scsi/ufs/ufshcd.c + * Copyright (C) 2011-2012 Samsung India Software Operations + * + * Santosh Yaraganavi <santosh.sy@samsung.com> + * Vinayak Holikatti <h.vinayak@samsung.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * NO WARRANTY + * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR + * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT + * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is + * solely responsible for determining the appropriateness of using and + * distributing the Program and assumes all risks associated with its + * exercise of rights under this Agreement, including but not limited to + * the risks and costs of program errors, damage to or loss of data, + * programs or equipment, and unavailability or interruption of operations. + + * DISCLAIMER OF LIABILITY + * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED + * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/pci.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/delay.h> +#include <linux/slab.h> +#include <linux/spinlock.h> +#include <linux/workqueue.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <linux/wait.h> +#include <linux/bitops.h> + +#include <asm/irq.h> +#include <asm/byteorder.h> +#include <scsi/scsi.h> +#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_tcq.h> +#include <scsi/scsi_dbg.h> +#include <scsi/scsi_eh.h> + +#include "ufs.h" +#include "ufshci.h" + +#define UFSHCD "ufshcd" +#define UFSHCD_DRIVER_VERSION "0.1" + +enum { + UFSHCD_MAX_CHANNEL = 0, + UFSHCD_MAX_ID = 1, + UFSHCD_MAX_LUNS = 8, + UFSHCD_CMD_PER_LUN = 32, + UFSHCD_CAN_QUEUE = 32, +}; + +/* UFSHCD states */ +enum { + UFSHCD_STATE_OPERATIONAL, + UFSHCD_STATE_RESET, + UFSHCD_STATE_ERROR, +}; + +/* Interrupt configuration options */ +enum { + UFSHCD_INT_DISABLE, + UFSHCD_INT_ENABLE, + UFSHCD_INT_CLEAR, +}; + +/* Interrupt aggregation options */ +enum { + INT_AGGR_RESET, + INT_AGGR_CONFIG, +}; + +/** + * struct uic_command - UIC command structure + * @command: UIC command + * @argument1: UIC command argument 1 + * @argument2: UIC command argument 2 + * @argument3: UIC command argument 3 + * @cmd_active: Indicate if UIC command is outstanding + * @result: UIC command result + */ +struct uic_command { + u32 command; + u32 argument1; + u32 argument2; + u32 argument3; + int cmd_active; + int result; +}; + +/** + * struct ufs_hba - per adapter private structure + * @mmio_base: UFSHCI base register address + * @ucdl_base_addr: UFS Command Descriptor base address + * @utrdl_base_addr: UTP Transfer Request Descriptor base address + * @utmrdl_base_addr: UTP Task Management Descriptor base address + * @ucdl_dma_addr: UFS Command Descriptor DMA address + * @utrdl_dma_addr: UTRDL DMA address + * @utmrdl_dma_addr: UTMRDL DMA address + * @host: Scsi_Host instance of the driver + * @pdev: PCI device handle + * @lrb: local reference block + * @outstanding_tasks: Bits representing outstanding task requests + * @outstanding_reqs: Bits representing outstanding transfer requests + * @capabilities: UFS Controller Capabilities + * @nutrs: Transfer Request Queue depth supported by controller + * @nutmrs: Task Management Queue depth supported by controller + * @active_uic_cmd: handle of active UIC command + * @ufshcd_tm_wait_queue: wait queue for task management + * @tm_condition: condition variable for task management + * @ufshcd_state: UFSHCD states + * @int_enable_mask: Interrupt Mask Bits + * @uic_workq: Work queue for UIC completion handling + * @feh_workq: Work queue for fatal controller error handling + * @errors: HBA errors + */ +struct ufs_hba { + void __iomem *mmio_base; + + /* Virtual memory reference */ + struct utp_transfer_cmd_desc *ucdl_base_addr; + struct utp_transfer_req_desc *utrdl_base_addr; + struct utp_task_req_desc *utmrdl_base_addr; + + /* DMA memory reference */ + dma_addr_t ucdl_dma_addr; + dma_addr_t utrdl_dma_addr; + dma_addr_t utmrdl_dma_addr; + + struct Scsi_Host *host; + struct pci_dev *pdev; + + struct ufshcd_lrb *lrb; + + unsigned long outstanding_tasks; + unsigned long outstanding_reqs; + + u32 capabilities; + int nutrs; + int nutmrs; + u32 ufs_version; + + struct uic_command active_uic_cmd; + wait_queue_head_t ufshcd_tm_wait_queue; + unsigned long tm_condition; + + u32 ufshcd_state; + u32 int_enable_mask; + + /* Work Queues */ + struct work_struct uic_workq; + struct work_struct feh_workq; + + /* HBA Errors */ + u32 errors; +}; + +/** + * struct ufshcd_lrb - local reference block + * @utr_descriptor_ptr: UTRD address of the command + * @ucd_cmd_ptr: UCD address of the command + * @ucd_rsp_ptr: Response UPIU address for this command + * @ucd_prdt_ptr: PRDT address of the command + * @cmd: pointer to SCSI command + * @sense_buffer: pointer to sense buffer address of the SCSI command + * @sense_bufflen: Length of the sense buffer + * @scsi_status: SCSI status of the command + * @command_type: SCSI, UFS, Query. + * @task_tag: Task tag of the command + * @lun: LUN of the command + */ +struct ufshcd_lrb { + struct utp_transfer_req_desc *utr_descriptor_ptr; + struct utp_upiu_cmd *ucd_cmd_ptr; + struct utp_upiu_rsp *ucd_rsp_ptr; + struct ufshcd_sg_entry *ucd_prdt_ptr; + + struct scsi_cmnd *cmd; + u8 *sense_buffer; + unsigned int sense_bufflen; + int scsi_status; + + int command_type; + int task_tag; + unsigned int lun; +}; + +/** + * ufshcd_get_ufs_version - Get the UFS version supported by the HBA + * @hba - Pointer to adapter instance + * + * Returns UFSHCI version supported by the controller + */ +static inline u32 ufshcd_get_ufs_version(struct ufs_hba *hba) +{ + return readl(hba->mmio_base + REG_UFS_VERSION); +} + +/** + * ufshcd_is_device_present - Check if any device connected to + * the host controller + * @reg_hcs - host controller status register value + * + * Returns 0 if device present, non-zero if no device detected + */ +static inline int ufshcd_is_device_present(u32 reg_hcs) +{ + return (DEVICE_PRESENT & reg_hcs) ? 0 : -1; +} + +/** + * ufshcd_get_tr_ocs - Get the UTRD Overall Command Status + * @lrb: pointer to local command reference block + * + * This function is used to get the OCS field from UTRD + * Returns the OCS field in the UTRD + */ +static inline int ufshcd_get_tr_ocs(struct ufshcd_lrb *lrbp) +{ + return lrbp->utr_descriptor_ptr->header.dword_2 & MASK_OCS; +} + +/** + * ufshcd_get_tmr_ocs - Get the UTMRD Overall Command Status + * @task_req_descp: pointer to utp_task_req_desc structure + * + * This function is used to get the OCS field from UTMRD + * Returns the OCS field in the UTMRD + */ +static inline int +ufshcd_get_tmr_ocs(struct utp_task_req_desc *task_req_descp) +{ + return task_req_descp->header.dword_2 & MASK_OCS; +} + +/** + * ufshcd_get_tm_free_slot - get a free slot for task management request + * @hba: per adapter instance + * + * Returns maximum number of task management request slots in case of + * task management queue full or returns the free slot number + */ +static inline int ufshcd_get_tm_free_slot(struct ufs_hba *hba) +{ + return find_first_zero_bit(&hba->outstanding_tasks, hba->nutmrs); +} + +/** + * ufshcd_utrl_clear - Clear a bit in UTRLCLR register + * @hba: per adapter instance + * @pos: position of the bit to be cleared + */ +static inline void ufshcd_utrl_clear(struct ufs_hba *hba, u32 pos) +{ + writel(~(1 << pos), + (hba->mmio_base + REG_UTP_TRANSFER_REQ_LIST_CLEAR)); +} + +/** + * ufshcd_get_lists_status - Check UCRDY, UTRLRDY and UTMRLRDY + * @reg: Register value of host controller status + * + * Returns integer, 0 on Success and positive value if failed + */ +static inline int ufshcd_get_lists_status(u32 reg) +{ + /* + * The mask 0xFF is for the following HCS register bits + * Bit Description + * 0 Device Present + * 1 UTRLRDY + * 2 UTMRLRDY + * 3 UCRDY + * 4 HEI + * 5 DEI + * 6-7 reserved + */ + return (((reg) & (0xFF)) >> 1) ^ (0x07); +} + +/** + * ufshcd_get_uic_cmd_result - Get the UIC command result + * @hba: Pointer to adapter instance + * + * This function gets the result of UIC command completion + * Returns 0 on success, non zero value on error + */ +static inline int ufshcd_get_uic_cmd_result(struct ufs_hba *hba) +{ + return readl(hba->mmio_base + REG_UIC_COMMAND_ARG_2) & + MASK_UIC_COMMAND_RESULT; +} + +/** + * ufshcd_free_hba_memory - Free allocated memory for LRB, request + * and task lists + * @hba: Pointer to adapter instance + */ +static inline void ufshcd_free_hba_memory(struct ufs_hba *hba) +{ + size_t utmrdl_size, utrdl_size, ucdl_size; + + kfree(hba->lrb); + + if (hba->utmrdl_base_addr) { + utmrdl_size = sizeof(struct utp_task_req_desc) * hba->nutmrs; + dma_free_coherent(&hba->pdev->dev, utmrdl_size, + hba->utmrdl_base_addr, hba->utmrdl_dma_addr); + } + + if (hba->utrdl_base_addr) { + utrdl_size = + (sizeof(struct utp_transfer_req_desc) * hba->nutrs); + dma_free_coherent(&hba->pdev->dev, utrdl_size, + hba->utrdl_base_addr, hba->utrdl_dma_addr); + } + + if (hba->ucdl_base_addr) { + ucdl_size = + (sizeof(struct utp_transfer_cmd_desc) * hba->nutrs); + dma_free_coherent(&hba->pdev->dev, ucdl_size, + hba->ucdl_base_addr, hba->ucdl_dma_addr); + } +} + +/** + * ufshcd_is_valid_req_rsp - checks if controller TR response is valid + * @ucd_rsp_ptr: pointer to response UPIU + * + * This function checks the response UPIU for valid transaction type in + * response field + * Returns 0 on success, non-zero on failure + */ +static inline int +ufshcd_is_valid_req_rsp(struct utp_upiu_rsp *ucd_rsp_ptr) +{ + return ((be32_to_cpu(ucd_rsp_ptr->header.dword_0) >> 24) == + UPIU_TRANSACTION_RESPONSE) ? 0 : DID_ERROR << 16; +} + +/** + * ufshcd_get_rsp_upiu_result - Get the result from response UPIU + * @ucd_rsp_ptr: pointer to response UPIU + * + * This function gets the response status and scsi_status from response UPIU + * Returns the response result code. + */ +static inline int +ufshcd_get_rsp_upiu_result(struct utp_upiu_rsp *ucd_rsp_ptr) +{ + return be32_to_cpu(ucd_rsp_ptr->header.dword_1) & MASK_RSP_UPIU_RESULT; +} + +/** + * ufshcd_config_int_aggr - Configure interrupt aggregation values. + * Currently there is no use case where we want to configure + * interrupt aggregation dynamically. So to configure interrupt + * aggregation, #define INT_AGGR_COUNTER_THRESHOLD_VALUE and + * INT_AGGR_TIMEOUT_VALUE are used. + * @hba: per adapter instance + * @option: Interrupt aggregation option + */ +static inline void +ufshcd_config_int_aggr(struct ufs_hba *hba, int option) +{ + switch (option) { + case INT_AGGR_RESET: + writel((INT_AGGR_ENABLE | + INT_AGGR_COUNTER_AND_TIMER_RESET), + (hba->mmio_base + + REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL)); + break; + case INT_AGGR_CONFIG: + writel((INT_AGGR_ENABLE | + INT_AGGR_PARAM_WRITE | + INT_AGGR_COUNTER_THRESHOLD_VALUE | + INT_AGGR_TIMEOUT_VALUE), + (hba->mmio_base + + REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL)); + break; + } +} + +/** + * ufshcd_enable_run_stop_reg - Enable run-stop registers, + * When run-stop registers are set to 1, it indicates the + * host controller that it can process the requests + * @hba: per adapter instance + */ +static void ufshcd_enable_run_stop_reg(struct ufs_hba *hba) +{ + writel(UTP_TASK_REQ_LIST_RUN_STOP_BIT, + (hba->mmio_base + + REG_UTP_TASK_REQ_LIST_RUN_STOP)); + writel(UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT, + (hba->mmio_base + + REG_UTP_TRANSFER_REQ_LIST_RUN_STOP)); +} + +/** + * ufshcd_hba_stop - Send controller to reset state + * @hba: per adapter instance + */ +static inline void ufshcd_hba_stop(struct ufs_hba *hba) +{ + writel(CONTROLLER_DISABLE, (hba->mmio_base + REG_CONTROLLER_ENABLE)); +} + +/** + * ufshcd_hba_start - Start controller initialization sequence + * @hba: per adapter instance + */ +static inline void ufshcd_hba_start(struct ufs_hba *hba) +{ + writel(CONTROLLER_ENABLE , (hba->mmio_base + REG_CONTROLLER_ENABLE)); +} + +/** + * ufshcd_is_hba_active - Get controller state + * @hba: per adapter instance + * + * Returns zero if controller is active, 1 otherwise + */ +static inline int ufshcd_is_hba_active(struct ufs_hba *hba) +{ + return (readl(hba->mmio_base + REG_CONTROLLER_ENABLE) & 0x1) ? 0 : 1; +} + +/** + * ufshcd_send_command - Send SCSI or device management commands + * @hba: per adapter instance + * @task_tag: Task tag of the command + */ +static inline +void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag) +{ + __set_bit(task_tag, &hba->outstanding_reqs); + writel((1 << task_tag), + (hba->mmio_base + REG_UTP_TRANSFER_REQ_DOOR_BELL)); +} + +/** + * ufshcd_copy_sense_data - Copy sense data in case of check condition + * @lrb - pointer to local reference block + */ +static inline void ufshcd_copy_sense_data(struct ufshcd_lrb *lrbp) +{ + int len; + if (lrbp->sense_buffer) { + len = be16_to_cpu(lrbp->ucd_rsp_ptr->sense_data_len); + memcpy(lrbp->sense_buffer, + lrbp->ucd_rsp_ptr->sense_data, + min_t(int, len, SCSI_SENSE_BUFFERSIZE)); + } +} + +/** + * ufshcd_hba_capabilities - Read controller capabilities + * @hba: per adapter instance + */ +static inline void ufshcd_hba_capabilities(struct ufs_hba *hba) +{ + hba->capabilities = + readl(hba->mmio_base + REG_CONTROLLER_CAPABILITIES); + + /* nutrs and nutmrs are 0 based values */ + hba->nutrs = (hba->capabilities & MASK_TRANSFER_REQUESTS_SLOTS) + 1; + hba->nutmrs = + ((hba->capabilities & MASK_TASK_MANAGEMENT_REQUEST_SLOTS) >> 16) + 1; +} + +/** + * ufshcd_send_uic_command - Send UIC commands to unipro layers + * @hba: per adapter instance + * @uic_command: UIC command + */ +static inline void +ufshcd_send_uic_command(struct ufs_hba *hba, struct uic_command *uic_cmnd) +{ + /* Write Args */ + writel(uic_cmnd->argument1, + (hba->mmio_base + REG_UIC_COMMAND_ARG_1)); + writel(uic_cmnd->argument2, + (hba->mmio_base + REG_UIC_COMMAND_ARG_2)); + writel(uic_cmnd->argument3, + (hba->mmio_base + REG_UIC_COMMAND_ARG_3)); + + /* Write UIC Cmd */ + writel((uic_cmnd->command & COMMAND_OPCODE_MASK), + (hba->mmio_base + REG_UIC_COMMAND)); +} + +/** + * ufshcd_map_sg - Map scatter-gather list to prdt + * @lrbp - pointer to local reference block + * + * Returns 0 in case of success, non-zero value in case of failure + */ +static int ufshcd_map_sg(struct ufshcd_lrb *lrbp) +{ + struct ufshcd_sg_entry *prd_table; + struct scatterlist *sg; + struct scsi_cmnd *cmd; + int sg_segments; + int i; + + cmd = lrbp->cmd; + sg_segments = scsi_dma_map(cmd); + if (sg_segments < 0) + return sg_segments; + + if (sg_segments) { + lrbp->utr_descriptor_ptr->prd_table_length = + cpu_to_le16((u16) (sg_segments)); + + prd_table = (struct ufshcd_sg_entry *)lrbp->ucd_prdt_ptr; + + scsi_for_each_sg(cmd, sg, sg_segments, i) { + prd_table[i].size = + cpu_to_le32(((u32) sg_dma_len(sg))-1); + prd_table[i].base_addr = + cpu_to_le32(lower_32_bits(sg->dma_address)); + prd_table[i].upper_addr = + cpu_to_le32(upper_32_bits(sg->dma_address)); + } + } else { + lrbp->utr_descriptor_ptr->prd_table_length = 0; + } + + return 0; +} + +/** + * ufshcd_int_config - enable/disable interrupts + * @hba: per adapter instance + * @option: interrupt option + */ +static void ufshcd_int_config(struct ufs_hba *hba, u32 option) +{ + switch (option) { + case UFSHCD_INT_ENABLE: + writel(hba->int_enable_mask, + (hba->mmio_base + REG_INTERRUPT_ENABLE)); + break; + case UFSHCD_INT_DISABLE: + if (hba->ufs_version == UFSHCI_VERSION_10) + writel(INTERRUPT_DISABLE_MASK_10, + (hba->mmio_base + REG_INTERRUPT_ENABLE)); + else + writel(INTERRUPT_DISABLE_MASK_11, + (hba->mmio_base + REG_INTERRUPT_ENABLE)); + break; + } +} + +/** + * ufshcd_compose_upiu - form UFS Protocol Information Unit(UPIU) + * @lrb - pointer to local reference block + */ +static void ufshcd_compose_upiu(struct ufshcd_lrb *lrbp) +{ + struct utp_transfer_req_desc *req_desc; + struct utp_upiu_cmd *ucd_cmd_ptr; + u32 data_direction; + u32 upiu_flags; + + ucd_cmd_ptr = lrbp->ucd_cmd_ptr; + req_desc = lrbp->utr_descriptor_ptr; + + switch (lrbp->command_type) { + case UTP_CMD_TYPE_SCSI: + if (lrbp->cmd->sc_data_direction == DMA_FROM_DEVICE) { + data_direction = UTP_DEVICE_TO_HOST; + upiu_flags = UPIU_CMD_FLAGS_READ; + } else if (lrbp->cmd->sc_data_direction == DMA_TO_DEVICE) { + data_direction = UTP_HOST_TO_DEVICE; + upiu_flags = UPIU_CMD_FLAGS_WRITE; + } else { + data_direction = UTP_NO_DATA_TRANSFER; + upiu_flags = UPIU_CMD_FLAGS_NONE; + } + + /* Transfer request descriptor header fields */ + req_desc->header.dword_0 = + cpu_to_le32(data_direction | UTP_SCSI_COMMAND); + + /* + * assigning invalid value for command status. Controller + * updates OCS on command completion, with the command + * status + */ + req_desc->header.dword_2 = + cpu_to_le32(OCS_INVALID_COMMAND_STATUS); + + /* command descriptor fields */ + ucd_cmd_ptr->header.dword_0 = + cpu_to_be32(UPIU_HEADER_DWORD(UPIU_TRANSACTION_COMMAND, + upiu_flags, + lrbp->lun, + lrbp->task_tag)); + ucd_cmd_ptr->header.dword_1 = + cpu_to_be32( + UPIU_HEADER_DWORD(UPIU_COMMAND_SET_TYPE_SCSI, + 0, + 0, + 0)); + + /* Total EHS length and Data segment length will be zero */ + ucd_cmd_ptr->header.dword_2 = 0; + + ucd_cmd_ptr->exp_data_transfer_len = + cpu_to_be32(lrbp->cmd->transfersize); + + memcpy(ucd_cmd_ptr->cdb, + lrbp->cmd->cmnd, + (min_t(unsigned short, + lrbp->cmd->cmd_len, + MAX_CDB_SIZE))); + break; + case UTP_CMD_TYPE_DEV_MANAGE: + /* For query function implementation */ + break; + case UTP_CMD_TYPE_UFS: + /* For UFS native command implementation */ + break; + } /* end of switch */ +} + +/** + * ufshcd_queuecommand - main entry point for SCSI requests + * @cmd: command from SCSI Midlayer + * @done: call back function + * + * Returns 0 for success, non-zero in case of failure + */ +static int ufshcd_queuecommand(struct Scsi_Host *host, struct scsi_cmnd *cmd) +{ + struct ufshcd_lrb *lrbp; + struct ufs_hba *hba; + unsigned long flags; + int tag; + int err = 0; + + hba = shost_priv(host); + + tag = cmd->request->tag; + + if (hba->ufshcd_state != UFSHCD_STATE_OPERATIONAL) { + err = SCSI_MLQUEUE_HOST_BUSY; + goto out; + } + + lrbp = &hba->lrb[tag]; + + lrbp->cmd = cmd; + lrbp->sense_bufflen = SCSI_SENSE_BUFFERSIZE; + lrbp->sense_buffer = cmd->sense_buffer; + lrbp->task_tag = tag; + lrbp->lun = cmd->device->lun; + + lrbp->command_type = UTP_CMD_TYPE_SCSI; + + /* form UPIU before issuing the command */ + ufshcd_compose_upiu(lrbp); + err = ufshcd_map_sg(lrbp); + if (err) + goto out; + + /* issue command to the controller */ + spin_lock_irqsave(hba->host->host_lock, flags); + ufshcd_send_command(hba, tag); + spin_unlock_irqrestore(hba->host->host_lock, flags); +out: + return err; +} + +/** + * ufshcd_memory_alloc - allocate memory for host memory space data structures + * @hba: per adapter instance + * + * 1. Allocate DMA memory for Command Descriptor array + * Each command descriptor consist of Command UPIU, Response UPIU and PRDT + * 2. Allocate DMA memory for UTP Transfer Request Descriptor List (UTRDL). + * 3. Allocate DMA memory for UTP Task Management Request Descriptor List + * (UTMRDL) + * 4. Allocate memory for local reference block(lrb). + * + * Returns 0 for success, non-zero in case of failure + */ +static int ufshcd_memory_alloc(struct ufs_hba *hba) +{ + size_t utmrdl_size, utrdl_size, ucdl_size; + + /* Allocate memory for UTP command descriptors */ + ucdl_size = (sizeof(struct utp_transfer_cmd_desc) * hba->nutrs); + hba->ucdl_base_addr = dma_alloc_coherent(&hba->pdev->dev, + ucdl_size, + &hba->ucdl_dma_addr, + GFP_KERNEL); + + /* + * UFSHCI requires UTP command descriptor to be 128 byte aligned. + * make sure hba->ucdl_dma_addr is aligned to PAGE_SIZE + * if hba->ucdl_dma_addr is aligned to PAGE_SIZE, then it will + * be aligned to 128 bytes as well + */ + if (!hba->ucdl_base_addr || + WARN_ON(hba->ucdl_dma_addr & (PAGE_SIZE - 1))) { + dev_err(&hba->pdev->dev, + "Command Descriptor Memory allocation failed\n"); + goto out; + } + + /* + * Allocate memory for UTP Transfer descriptors + * UFSHCI requires 1024 byte alignment of UTRD + */ + utrdl_size = (sizeof(struct utp_transfer_req_desc) * hba->nutrs); + hba->utrdl_base_addr = dma_alloc_coherent(&hba->pdev->dev, + utrdl_size, + &hba->utrdl_dma_addr, + GFP_KERNEL); + if (!hba->utrdl_base_addr || + WARN_ON(hba->utrdl_dma_addr & (PAGE_SIZE - 1))) { + dev_err(&hba->pdev->dev, + "Transfer Descriptor Memory allocation failed\n"); + goto out; + } + + /* + * Allocate memory for UTP Task Management descriptors + * UFSHCI requires 1024 byte alignment of UTMRD + */ + utmrdl_size = sizeof(struct utp_task_req_desc) * hba->nutmrs; + hba->utmrdl_base_addr = dma_alloc_coherent(&hba->pdev->dev, + utmrdl_size, + &hba->utmrdl_dma_addr, + GFP_KERNEL); + if (!hba->utmrdl_base_addr || + WARN_ON(hba->utmrdl_dma_addr & (PAGE_SIZE - 1))) { + dev_err(&hba->pdev->dev, + "Task Management Descriptor Memory allocation failed\n"); + goto out; + } + + /* Allocate memory for local reference block */ + hba->lrb = kcalloc(hba->nutrs, sizeof(struct ufshcd_lrb), GFP_KERNEL); + if (!hba->lrb) { + dev_err(&hba->pdev->dev, "LRB Memory allocation failed\n"); + goto out; + } + return 0; +out: + ufshcd_free_hba_memory(hba); + return -ENOMEM; +} + +/** + * ufshcd_host_memory_configure - configure local reference block with + * memory offsets + * @hba: per adapter instance + * + * Configure Host memory space + * 1. Update Corresponding UTRD.UCDBA and UTRD.UCDBAU with UCD DMA + * address. + * 2. Update each UTRD with Response UPIU offset, Response UPIU length + * and PRDT offset. + * 3. Save the corresponding addresses of UTRD, UCD.CMD, UCD.RSP and UCD.PRDT + * into local reference block. + */ +static void ufshcd_host_memory_configure(struct ufs_hba *hba) +{ + struct utp_transfer_cmd_desc *cmd_descp; + struct utp_transfer_req_desc *utrdlp; + dma_addr_t cmd_desc_dma_addr; + dma_addr_t cmd_desc_element_addr; + u16 response_offset; + u16 prdt_offset; + int cmd_desc_size; + int i; + + utrdlp = hba->utrdl_base_addr; + cmd_descp = hba->ucdl_base_addr; + + response_offset = + offsetof(struct utp_transfer_cmd_desc, response_upiu); + prdt_offset = + offsetof(struct utp_transfer_cmd_desc, prd_table); + + cmd_desc_size = sizeof(struct utp_transfer_cmd_desc); + cmd_desc_dma_addr = hba->ucdl_dma_addr; + + for (i = 0; i < hba->nutrs; i++) { + /* Configure UTRD with command descriptor base address */ + cmd_desc_element_addr = + (cmd_desc_dma_addr + (cmd_desc_size * i)); + utrdlp[i].command_desc_base_addr_lo = + cpu_to_le32(lower_32_bits(cmd_desc_element_addr)); + utrdlp[i].command_desc_base_addr_hi = + cpu_to_le32(upper_32_bits(cmd_desc_element_addr)); + + /* Response upiu and prdt offset should be in double words */ + utrdlp[i].response_upiu_offset = + cpu_to_le16((response_offset >> 2)); + utrdlp[i].prd_table_offset = + cpu_to_le16((prdt_offset >> 2)); + utrdlp[i].response_upiu_length = + cpu_to_le16(ALIGNED_UPIU_SIZE); + + hba->lrb[i].utr_descriptor_ptr = (utrdlp + i); + hba->lrb[i].ucd_cmd_ptr = + (struct utp_upiu_cmd *)(cmd_descp + i); + hba->lrb[i].ucd_rsp_ptr = + (struct utp_upiu_rsp *)cmd_descp[i].response_upiu; + hba->lrb[i].ucd_prdt_ptr = + (struct ufshcd_sg_entry *)cmd_descp[i].prd_table; + } +} + +/** + * ufshcd_dme_link_startup - Notify Unipro to perform link startup + * @hba: per adapter instance + * + * UIC_CMD_DME_LINK_STARTUP command must be issued to Unipro layer, + * in order to initialize the Unipro link startup procedure. + * Once the Unipro links are up, the device connected to the controller + * is detected. + * + * Returns 0 on success, non-zero value on failure + */ +static int ufshcd_dme_link_startup(struct ufs_hba *hba) +{ + struct uic_command *uic_cmd; + unsigned long flags; + + /* check if controller is ready to accept UIC commands */ + if (((readl(hba->mmio_base + REG_CONTROLLER_STATUS)) & + UIC_COMMAND_READY) == 0x0) { + dev_err(&hba->pdev->dev, + "Controller not ready" + " to accept UIC commands\n"); + return -EIO; + } + + spin_lock_irqsave(hba->host->host_lock, flags); + + /* form UIC command */ + uic_cmd = &hba->active_uic_cmd; + uic_cmd->command = UIC_CMD_DME_LINK_STARTUP; + uic_cmd->argument1 = 0; + uic_cmd->argument2 = 0; + uic_cmd->argument3 = 0; + + /* enable UIC related interrupts */ + hba->int_enable_mask |= UIC_COMMAND_COMPL; + ufshcd_int_config(hba, UFSHCD_INT_ENABLE); + + /* sending UIC commands to controller */ + ufshcd_send_uic_command(hba, uic_cmd); + spin_unlock_irqrestore(hba->host->host_lock, flags); + return 0; +} + +/** + * ufshcd_make_hba_operational - Make UFS controller operational + * @hba: per adapter instance + * + * To bring UFS host controller to operational state, + * 1. Check if device is present + * 2. Configure run-stop-registers + * 3. Enable required interrupts + * 4. Configure interrupt aggregation + * + * Returns 0 on success, non-zero value on failure + */ +static int ufshcd_make_hba_operational(struct ufs_hba *hba) +{ + int err = 0; + u32 reg; + + /* check if device present */ + reg = readl((hba->mmio_base + REG_CONTROLLER_STATUS)); + if (ufshcd_is_device_present(reg)) { + dev_err(&hba->pdev->dev, "cc: Device not present\n"); + err = -ENXIO; + goto out; + } + + /* + * UCRDY, UTMRLDY and UTRLRDY bits must be 1 + * DEI, HEI bits must be 0 + */ + if (!(ufshcd_get_lists_status(reg))) { + ufshcd_enable_run_stop_reg(hba); + } else { + dev_err(&hba->pdev->dev, + "Host controller not ready to process requests"); + err = -EIO; + goto out; + } + + /* Enable required interrupts */ + hba->int_enable_mask |= (UTP_TRANSFER_REQ_COMPL | + UIC_ERROR | + UTP_TASK_REQ_COMPL | + DEVICE_FATAL_ERROR | + CONTROLLER_FATAL_ERROR | + SYSTEM_BUS_FATAL_ERROR); + ufshcd_int_config(hba, UFSHCD_INT_ENABLE); + + /* Configure interrupt aggregation */ + ufshcd_config_int_aggr(hba, INT_AGGR_CONFIG); + + if (hba->ufshcd_state == UFSHCD_STATE_RESET) + scsi_unblock_requests(hba->host); + + hba->ufshcd_state = UFSHCD_STATE_OPERATIONAL; + scsi_scan_host(hba->host); +out: + return err; +} + +/** + * ufshcd_hba_enable - initialize the controller + * @hba: per adapter instance + * + * The controller resets itself and controller firmware initialization + * sequence kicks off. When controller is ready it will set + * the Host Controller Enable bit to 1. + * + * Returns 0 on success, non-zero value on failure + */ +static int ufshcd_hba_enable(struct ufs_hba *hba) +{ + int retry; + + /* + * msleep of 1 and 5 used in this function might result in msleep(20), + * but it was necessary to send the UFS FPGA to reset mode during + * development and testing of this driver. msleep can be changed to + * mdelay and retry count can be reduced based on the controller. + */ + if (!ufshcd_is_hba_active(hba)) { + + /* change controller state to "reset state" */ + ufshcd_hba_stop(hba); + + /* + * This delay is based on the testing done with UFS host + * controller FPGA. The delay can be changed based on the + * host controller used. + */ + msleep(5); + } + + /* start controller initialization sequence */ + ufshcd_hba_start(hba); + + /* + * To initialize a UFS host controller HCE bit must be set to 1. + * During initialization the HCE bit value changes from 1->0->1. + * When the host controller completes initialization sequence + * it sets the value of HCE bit to 1. The same HCE bit is read back + * to check if the controller has completed initialization sequence. + * So without this delay the value HCE = 1, set in the previous + * instruction might be read back. + * This delay can be changed based on the controller. + */ + msleep(1); + + /* wait for the host controller to complete initialization */ + retry = 10; + while (ufshcd_is_hba_active(hba)) { + if (retry) { + retry--; + } else { + dev_err(&hba->pdev->dev, + "Controller enable failed\n"); + return -EIO; + } + msleep(5); + } + return 0; +} + +/** + * ufshcd_initialize_hba - start the initialization process + * @hba: per adapter instance + * + * 1. Enable the controller via ufshcd_hba_enable. + * 2. Program the Transfer Request List Address with the starting address of + * UTRDL. + * 3. Program the Task Management Request List Address with starting address + * of UTMRDL. + * + * Returns 0 on success, non-zero value on failure. + */ +static int ufshcd_initialize_hba(struct ufs_hba *hba) +{ + if (ufshcd_hba_enable(hba)) + return -EIO; + + /* Configure UTRL and UTMRL base address registers */ + writel(hba->utrdl_dma_addr, + (hba->mmio_base + REG_UTP_TRANSFER_REQ_LIST_BASE_L)); + writel(lower_32_bits(hba->utrdl_dma_addr), + (hba->mmio_base + REG_UTP_TRANSFER_REQ_LIST_BASE_H)); + writel(hba->utmrdl_dma_addr, + (hba->mmio_base + REG_UTP_TASK_REQ_LIST_BASE_L)); + writel(upper_32_bits(hba->utmrdl_dma_addr), + (hba->mmio_base + REG_UTP_TASK_REQ_LIST_BASE_H)); + + /* Initialize unipro link startup procedure */ + return ufshcd_dme_link_startup(hba); +} + +/** + * ufshcd_do_reset - reset the host controller + * @hba: per adapter instance + * + * Returns SUCCESS/FAILED + */ +static int ufshcd_do_reset(struct ufs_hba *hba) +{ + struct ufshcd_lrb *lrbp; + unsigned long flags; + int tag; + + /* block commands from midlayer */ + scsi_block_requests(hba->host); + + spin_lock_irqsave(hba->host->host_lock, flags); + hba->ufshcd_state = UFSHCD_STATE_RESET; + + /* send controller to reset state */ + ufshcd_hba_stop(hba); + spin_unlock_irqrestore(hba->host->host_lock, flags); + + /* abort outstanding commands */ + for (tag = 0; tag < hba->nutrs; tag++) { + if (test_bit(tag, &hba->outstanding_reqs)) { + lrbp = &hba->lrb[tag]; + scsi_dma_unmap(lrbp->cmd); + lrbp->cmd->result = DID_RESET << 16; + lrbp->cmd->scsi_done(lrbp->cmd); + lrbp->cmd = NULL; + } + } + + /* clear outstanding request/task bit maps */ + hba->outstanding_reqs = 0; + hba->outstanding_tasks = 0; + + /* start the initialization process */ + if (ufshcd_initialize_hba(hba)) { + dev_err(&hba->pdev->dev, + "Reset: Controller initialization failed\n"); + return FAILED; + } + return SUCCESS; +} + +/** + * ufshcd_slave_alloc - handle initial SCSI device configurations + * @sdev: pointer to SCSI device + * + * Returns success + */ +static int ufshcd_slave_alloc(struct scsi_device *sdev) +{ + struct ufs_hba *hba; + + hba = shost_priv(sdev->host); + sdev->tagged_supported = 1; + + /* Mode sense(6) is not supported by UFS, so use Mode sense(10) */ + sdev->use_10_for_ms = 1; + scsi_set_tag_type(sdev, MSG_SIMPLE_TAG); + + /* + * Inform SCSI Midlayer that the LUN queue depth is same as the + * controller queue depth. If a LUN queue depth is less than the + * controller queue depth and if the LUN reports + * SAM_STAT_TASK_SET_FULL, the LUN queue depth will be adjusted + * with scsi_adjust_queue_depth. + */ + scsi_activate_tcq(sdev, hba->nutrs); + return 0; +} + +/** + * ufshcd_slave_destroy - remove SCSI device configurations + * @sdev: pointer to SCSI device + */ +static void ufshcd_slave_destroy(struct scsi_device *sdev) +{ + struct ufs_hba *hba; + + hba = shost_priv(sdev->host); + scsi_deactivate_tcq(sdev, hba->nutrs); +} + +/** + * ufshcd_task_req_compl - handle task management request completion + * @hba: per adapter instance + * @index: index of the completed request + * + * Returns SUCCESS/FAILED + */ +static int ufshcd_task_req_compl(struct ufs_hba *hba, u32 index) +{ + struct utp_task_req_desc *task_req_descp; + struct utp_upiu_task_rsp *task_rsp_upiup; + unsigned long flags; + int ocs_value; + int task_result; + + spin_lock_irqsave(hba->host->host_lock, flags); + + /* Clear completed tasks from outstanding_tasks */ + __clear_bit(index, &hba->outstanding_tasks); + + task_req_descp = hba->utmrdl_base_addr; + ocs_value = ufshcd_get_tmr_ocs(&task_req_descp[index]); + + if (ocs_value == OCS_SUCCESS) { + task_rsp_upiup = (struct utp_upiu_task_rsp *) + task_req_descp[index].task_rsp_upiu; + task_result = be32_to_cpu(task_rsp_upiup->header.dword_1); + task_result = ((task_result & MASK_TASK_RESPONSE) >> 8); + + if (task_result != UPIU_TASK_MANAGEMENT_FUNC_COMPL || + task_result != UPIU_TASK_MANAGEMENT_FUNC_SUCCEEDED) + task_result = FAILED; + } else { + task_result = FAILED; + dev_err(&hba->pdev->dev, + "trc: Invalid ocs = %x\n", ocs_value); + } + spin_unlock_irqrestore(hba->host->host_lock, flags); + return task_result; +} + +/** + * ufshcd_adjust_lun_qdepth - Update LUN queue depth if device responds with + * SAM_STAT_TASK_SET_FULL SCSI command status. + * @cmd: pointer to SCSI command + */ +static void ufshcd_adjust_lun_qdepth(struct scsi_cmnd *cmd) +{ + struct ufs_hba *hba; + int i; + int lun_qdepth = 0; + + hba = shost_priv(cmd->device->host); + + /* + * LUN queue depth can be obtained by counting outstanding commands + * on the LUN. + */ + for (i = 0; i < hba->nutrs; i++) { + if (test_bit(i, &hba->outstanding_reqs)) { + + /* + * Check if the outstanding command belongs + * to the LUN which reported SAM_STAT_TASK_SET_FULL. + */ + if (cmd->device->lun == hba->lrb[i].lun) + lun_qdepth++; + } + } + + /* + * LUN queue depth will be total outstanding commands, except the + * command for which the LUN reported SAM_STAT_TASK_SET_FULL. + */ + scsi_adjust_queue_depth(cmd->device, MSG_SIMPLE_TAG, lun_qdepth - 1); +} + +/** + * ufshcd_scsi_cmd_status - Update SCSI command result based on SCSI status + * @lrb: pointer to local reference block of completed command + * @scsi_status: SCSI command status + * + * Returns value base on SCSI command status + */ +static inline int +ufshcd_scsi_cmd_status(struct ufshcd_lrb *lrbp, int scsi_status) +{ + int result = 0; + + switch (scsi_status) { + case SAM_STAT_GOOD: + result |= DID_OK << 16 | + COMMAND_COMPLETE << 8 | + SAM_STAT_GOOD; + break; + case SAM_STAT_CHECK_CONDITION: + result |= DID_OK << 16 | + COMMAND_COMPLETE << 8 | + SAM_STAT_CHECK_CONDITION; + ufshcd_copy_sense_data(lrbp); + break; + case SAM_STAT_BUSY: + result |= SAM_STAT_BUSY; + break; + case SAM_STAT_TASK_SET_FULL: + + /* + * If a LUN reports SAM_STAT_TASK_SET_FULL, then the LUN queue + * depth needs to be adjusted to the exact number of + * outstanding commands the LUN can handle at any given time. + */ + ufshcd_adjust_lun_qdepth(lrbp->cmd); + result |= SAM_STAT_TASK_SET_FULL; + break; + case SAM_STAT_TASK_ABORTED: + result |= SAM_STAT_TASK_ABORTED; + break; + default: + result |= DID_ERROR << 16; + break; + } /* end of switch */ + + return result; +} + +/** + * ufshcd_transfer_rsp_status - Get overall status of the response + * @hba: per adapter instance + * @lrb: pointer to local reference block of completed command + * + * Returns result of the command to notify SCSI midlayer + */ +static inline int +ufshcd_transfer_rsp_status(struct ufs_hba *hba, struct ufshcd_lrb *lrbp) +{ + int result = 0; + int scsi_status; + int ocs; + + /* overall command status of utrd */ + ocs = ufshcd_get_tr_ocs(lrbp); + + switch (ocs) { + case OCS_SUCCESS: + + /* check if the returned transfer response is valid */ + result = ufshcd_is_valid_req_rsp(lrbp->ucd_rsp_ptr); + if (result) { + dev_err(&hba->pdev->dev, + "Invalid response = %x\n", result); + break; + } + + /* + * get the response UPIU result to extract + * the SCSI command status + */ + result = ufshcd_get_rsp_upiu_result(lrbp->ucd_rsp_ptr); + + /* + * get the result based on SCSI status response + * to notify the SCSI midlayer of the command status + */ + scsi_status = result & MASK_SCSI_STATUS; + result = ufshcd_scsi_cmd_status(lrbp, scsi_status); + break; + case OCS_ABORTED: + result |= DID_ABORT << 16; + break; + case OCS_INVALID_CMD_TABLE_ATTR: + case OCS_INVALID_PRDT_ATTR: + case OCS_MISMATCH_DATA_BUF_SIZE: + case OCS_MISMATCH_RESP_UPIU_SIZE: + case OCS_PEER_COMM_FAILURE: + case OCS_FATAL_ERROR: + default: + result |= DID_ERROR << 16; + dev_err(&hba->pdev->dev, + "OCS error from controller = %x\n", ocs); + break; + } /* end of switch */ + + return result; +} + +/** + * ufshcd_transfer_req_compl - handle SCSI and query command completion + * @hba: per adapter instance + */ +static void ufshcd_transfer_req_compl(struct ufs_hba *hba) +{ + struct ufshcd_lrb *lrb; + unsigned long completed_reqs; + u32 tr_doorbell; + int result; + int index; + + lrb = hba->lrb; + tr_doorbell = + readl(hba->mmio_base + REG_UTP_TRANSFER_REQ_DOOR_BELL); + completed_reqs = tr_doorbell ^ hba->outstanding_reqs; + + for (index = 0; index < hba->nutrs; index++) { + if (test_bit(index, &completed_reqs)) { + + result = ufshcd_transfer_rsp_status(hba, &lrb[index]); + + if (lrb[index].cmd) { + scsi_dma_unmap(lrb[index].cmd); + lrb[index].cmd->result = result; + lrb[index].cmd->scsi_done(lrb[index].cmd); + + /* Mark completed command as NULL in LRB */ + lrb[index].cmd = NULL; + } + } /* end of if */ + } /* end of for */ + + /* clear corresponding bits of completed commands */ + hba->outstanding_reqs ^= completed_reqs; + + /* Reset interrupt aggregation counters */ + ufshcd_config_int_aggr(hba, INT_AGGR_RESET); +} + +/** + * ufshcd_uic_cc_handler - handle UIC command completion + * @work: pointer to a work queue structure + * + * Returns 0 on success, non-zero value on failure + */ +static void ufshcd_uic_cc_handler (struct work_struct *work) +{ + struct ufs_hba *hba; + + hba = container_of(work, struct ufs_hba, uic_workq); + + if ((hba->active_uic_cmd.command == UIC_CMD_DME_LINK_STARTUP) && + !(ufshcd_get_uic_cmd_result(hba))) { + + if (ufshcd_make_hba_operational(hba)) + dev_err(&hba->pdev->dev, + "cc: hba not operational state\n"); + return; + } +} + +/** + * ufshcd_fatal_err_handler - handle fatal errors + * @hba: per adapter instance + */ +static void ufshcd_fatal_err_handler(struct work_struct *work) +{ + struct ufs_hba *hba; + hba = container_of(work, struct ufs_hba, feh_workq); + + /* check if reset is already in progress */ + if (hba->ufshcd_state != UFSHCD_STATE_RESET) + ufshcd_do_reset(hba); +} + +/** + * ufshcd_err_handler - Check for fatal errors + * @work: pointer to a work queue structure + */ +static void ufshcd_err_handler(struct ufs_hba *hba) +{ + u32 reg; + + if (hba->errors & INT_FATAL_ERRORS) + goto fatal_eh; + + if (hba->errors & UIC_ERROR) { + + reg = readl(hba->mmio_base + + REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER); + if (reg & UIC_DATA_LINK_LAYER_ERROR_PA_INIT) + goto fatal_eh; + } + return; +fatal_eh: + hba->ufshcd_state = UFSHCD_STATE_ERROR; + schedule_work(&hba->feh_workq); +} + +/** + * ufshcd_tmc_handler - handle task management function completion + * @hba: per adapter instance + */ +static void ufshcd_tmc_handler(struct ufs_hba *hba) +{ + u32 tm_doorbell; + + tm_doorbell = readl(hba->mmio_base + REG_UTP_TASK_REQ_DOOR_BELL); + hba->tm_condition = tm_doorbell ^ hba->outstanding_tasks; + wake_up_interruptible(&hba->ufshcd_tm_wait_queue); +} + +/** + * ufshcd_sl_intr - Interrupt service routine + * @hba: per adapter instance + * @intr_status: contains interrupts generated by the controller + */ +static void ufshcd_sl_intr(struct ufs_hba *hba, u32 intr_status) +{ + hba->errors = UFSHCD_ERROR_MASK & intr_status; + if (hba->errors) + ufshcd_err_handler(hba); + + if (intr_status & UIC_COMMAND_COMPL) + schedule_work(&hba->uic_workq); + + if (intr_status & UTP_TASK_REQ_COMPL) + ufshcd_tmc_handler(hba); + + if (intr_status & UTP_TRANSFER_REQ_COMPL) + ufshcd_transfer_req_compl(hba); +} + +/** + * ufshcd_intr - Main interrupt service routine + * @irq: irq number + * @__hba: pointer to adapter instance + * + * Returns IRQ_HANDLED - If interrupt is valid + * IRQ_NONE - If invalid interrupt + */ +static irqreturn_t ufshcd_intr(int irq, void *__hba) +{ + u32 intr_status; + irqreturn_t retval = IRQ_NONE; + struct ufs_hba *hba = __hba; + + spin_lock(hba->host->host_lock); + intr_status = readl(hba->mmio_base + REG_INTERRUPT_STATUS); + + if (intr_status) { + ufshcd_sl_intr(hba, intr_status); + + /* If UFSHCI 1.0 then clear interrupt status register */ + if (hba->ufs_version == UFSHCI_VERSION_10) + writel(intr_status, + (hba->mmio_base + REG_INTERRUPT_STATUS)); + retval = IRQ_HANDLED; + } + spin_unlock(hba->host->host_lock); + return retval; +} + +/** + * ufshcd_issue_tm_cmd - issues task management commands to controller + * @hba: per adapter instance + * @lrbp: pointer to local reference block + * + * Returns SUCCESS/FAILED + */ +static int +ufshcd_issue_tm_cmd(struct ufs_hba *hba, + struct ufshcd_lrb *lrbp, + u8 tm_function) +{ + struct utp_task_req_desc *task_req_descp; + struct utp_upiu_task_req *task_req_upiup; + struct Scsi_Host *host; + unsigned long flags; + int free_slot = 0; + int err; + + host = hba->host; + + spin_lock_irqsave(host->host_lock, flags); + + /* If task management queue is full */ + free_slot = ufshcd_get_tm_free_slot(hba); + if (free_slot >= hba->nutmrs) { + spin_unlock_irqrestore(host->host_lock, flags); + dev_err(&hba->pdev->dev, "Task management queue full\n"); + err = FAILED; + goto out; + } + + task_req_descp = hba->utmrdl_base_addr; + task_req_descp += free_slot; + + /* Configure task request descriptor */ + task_req_descp->header.dword_0 = cpu_to_le32(UTP_REQ_DESC_INT_CMD); + task_req_descp->header.dword_2 = + cpu_to_le32(OCS_INVALID_COMMAND_STATUS); + + /* Configure task request UPIU */ + task_req_upiup = + (struct utp_upiu_task_req *) task_req_descp->task_req_upiu; + task_req_upiup->header.dword_0 = + cpu_to_be32(UPIU_HEADER_DWORD(UPIU_TRANSACTION_TASK_REQ, 0, + lrbp->lun, lrbp->task_tag)); + task_req_upiup->header.dword_1 = + cpu_to_be32(UPIU_HEADER_DWORD(0, tm_function, 0, 0)); + + task_req_upiup->input_param1 = lrbp->lun; + task_req_upiup->input_param1 = + cpu_to_be32(task_req_upiup->input_param1); + task_req_upiup->input_param2 = lrbp->task_tag; + task_req_upiup->input_param2 = + cpu_to_be32(task_req_upiup->input_param2); + + /* send command to the controller */ + __set_bit(free_slot, &hba->outstanding_tasks); + writel((1 << free_slot), + (hba->mmio_base + REG_UTP_TASK_REQ_DOOR_BELL)); + + spin_unlock_irqrestore(host->host_lock, flags); + + /* wait until the task management command is completed */ + err = + wait_event_interruptible_timeout(hba->ufshcd_tm_wait_queue, + (test_bit(free_slot, + &hba->tm_condition) != 0), + 60 * HZ); + if (!err) { + dev_err(&hba->pdev->dev, + "Task management command timed-out\n"); + err = FAILED; + goto out; + } + clear_bit(free_slot, &hba->tm_condition); + return ufshcd_task_req_compl(hba, free_slot); +out: + return err; +} + +/** + * ufshcd_device_reset - reset device and abort all the pending commands + * @cmd: SCSI command pointer + * + * Returns SUCCESS/FAILED + */ +static int ufshcd_device_reset(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *host; + struct ufs_hba *hba; + unsigned int tag; + u32 pos; + int err; + + host = cmd->device->host; + hba = shost_priv(host); + tag = cmd->request->tag; + + err = ufshcd_issue_tm_cmd(hba, &hba->lrb[tag], UFS_LOGICAL_RESET); + if (err) + goto out; + + for (pos = 0; pos < hba->nutrs; pos++) { + if (test_bit(pos, &hba->outstanding_reqs) && + (hba->lrb[tag].lun == hba->lrb[pos].lun)) { + + /* clear the respective UTRLCLR register bit */ + ufshcd_utrl_clear(hba, pos); + + clear_bit(pos, &hba->outstanding_reqs); + + if (hba->lrb[pos].cmd) { + scsi_dma_unmap(hba->lrb[pos].cmd); + hba->lrb[pos].cmd->result = + DID_ABORT << 16; + hba->lrb[pos].cmd->scsi_done(cmd); + hba->lrb[pos].cmd = NULL; + } + } + } /* end of for */ +out: + return err; +} + +/** + * ufshcd_host_reset - Main reset function registered with scsi layer + * @cmd: SCSI command pointer + * + * Returns SUCCESS/FAILED + */ +static int ufshcd_host_reset(struct scsi_cmnd *cmd) +{ + struct ufs_hba *hba; + + hba = shost_priv(cmd->device->host); + + if (hba->ufshcd_state == UFSHCD_STATE_RESET) + return SUCCESS; + + return (ufshcd_do_reset(hba) == SUCCESS) ? SUCCESS : FAILED; +} + +/** + * ufshcd_abort - abort a specific command + * @cmd: SCSI command pointer + * + * Returns SUCCESS/FAILED + */ +static int ufshcd_abort(struct scsi_cmnd *cmd) +{ + struct Scsi_Host *host; + struct ufs_hba *hba; + unsigned long flags; + unsigned int tag; + int err; + + host = cmd->device->host; + hba = shost_priv(host); + tag = cmd->request->tag; + + spin_lock_irqsave(host->host_lock, flags); + + /* check if command is still pending */ + if (!(test_bit(tag, &hba->outstanding_reqs))) { + err = FAILED; + spin_unlock_irqrestore(host->host_lock, flags); + goto out; + } + spin_unlock_irqrestore(host->host_lock, flags); + + err = ufshcd_issue_tm_cmd(hba, &hba->lrb[tag], UFS_ABORT_TASK); + if (err) + goto out; + + scsi_dma_unmap(cmd); + + spin_lock_irqsave(host->host_lock, flags); + + /* clear the respective UTRLCLR register bit */ + ufshcd_utrl_clear(hba, tag); + + __clear_bit(tag, &hba->outstanding_reqs); + hba->lrb[tag].cmd = NULL; + spin_unlock_irqrestore(host->host_lock, flags); +out: + return err; +} + +static struct scsi_host_template ufshcd_driver_template = { + .module = THIS_MODULE, + .name = UFSHCD, + .proc_name = UFSHCD, + .queuecommand = ufshcd_queuecommand, + .slave_alloc = ufshcd_slave_alloc, + .slave_destroy = ufshcd_slave_destroy, + .eh_abort_handler = ufshcd_abort, + .eh_device_reset_handler = ufshcd_device_reset, + .eh_host_reset_handler = ufshcd_host_reset, + .this_id = -1, + .sg_tablesize = SG_ALL, + .cmd_per_lun = UFSHCD_CMD_PER_LUN, + .can_queue = UFSHCD_CAN_QUEUE, +}; + +/** + * ufshcd_shutdown - main function to put the controller in reset state + * @pdev: pointer to PCI device handle + */ +static void ufshcd_shutdown(struct pci_dev *pdev) +{ + ufshcd_hba_stop((struct ufs_hba *)pci_get_drvdata(pdev)); +} + +#ifdef CONFIG_PM +/** + * ufshcd_suspend - suspend power management function + * @pdev: pointer to PCI device handle + * @state: power state + * + * Returns -ENOSYS + */ +static int ufshcd_suspend(struct pci_dev *pdev, pm_message_t state) +{ + /* + * TODO: + * 1. Block SCSI requests from SCSI midlayer + * 2. Change the internal driver state to non operational + * 3. Set UTRLRSR and UTMRLRSR bits to zero + * 4. Wait until outstanding commands are completed + * 5. Set HCE to zero to send the UFS host controller to reset state + */ + + return -ENOSYS; +} + +/** + * ufshcd_resume - resume power management function + * @pdev: pointer to PCI device handle + * + * Returns -ENOSYS + */ +static int ufshcd_resume(struct pci_dev *pdev) +{ + /* + * TODO: + * 1. Set HCE to 1, to start the UFS host controller + * initialization process + * 2. Set UTRLRSR and UTMRLRSR bits to 1 + * 3. Change the internal driver state to operational + * 4. Unblock SCSI requests from SCSI midlayer + */ + + return -ENOSYS; +} +#endif /* CONFIG_PM */ + +/** + * ufshcd_hba_free - free allocated memory for + * host memory space data structures + * @hba: per adapter instance + */ +static void ufshcd_hba_free(struct ufs_hba *hba) +{ + iounmap(hba->mmio_base); + ufshcd_free_hba_memory(hba); + pci_release_regions(hba->pdev); +} + +/** + * ufshcd_remove - de-allocate PCI/SCSI host and host memory space + * data structure memory + * @pdev - pointer to PCI handle + */ +static void ufshcd_remove(struct pci_dev *pdev) +{ + struct ufs_hba *hba = pci_get_drvdata(pdev); + + /* disable interrupts */ + ufshcd_int_config(hba, UFSHCD_INT_DISABLE); + free_irq(pdev->irq, hba); + + ufshcd_hba_stop(hba); + ufshcd_hba_free(hba); + + scsi_remove_host(hba->host); + scsi_host_put(hba->host); + pci_set_drvdata(pdev, NULL); + pci_clear_master(pdev); + pci_disable_device(pdev); +} + +/** + * ufshcd_set_dma_mask - Set dma mask based on the controller + * addressing capability + * @pdev: PCI device structure + * + * Returns 0 for success, non-zero for failure + */ +static int ufshcd_set_dma_mask(struct ufs_hba *hba) +{ + int err; + u64 dma_mask; + + /* + * If controller supports 64 bit addressing mode, then set the DMA + * mask to 64-bit, else set the DMA mask to 32-bit + */ + if (hba->capabilities & MASK_64_ADDRESSING_SUPPORT) + dma_mask = DMA_BIT_MASK(64); + else + dma_mask = DMA_BIT_MASK(32); + + err = pci_set_dma_mask(hba->pdev, dma_mask); + if (err) + return err; + + err = pci_set_consistent_dma_mask(hba->pdev, dma_mask); + + return err; +} + +/** + * ufshcd_probe - probe routine of the driver + * @pdev: pointer to PCI device handle + * @id: PCI device id + * + * Returns 0 on success, non-zero value on failure + */ +static int __devinit +ufshcd_probe(struct pci_dev *pdev, const struct pci_device_id *id) +{ + struct Scsi_Host *host; + struct ufs_hba *hba; + int err; + + err = pci_enable_device(pdev); + if (err) { + dev_err(&pdev->dev, "pci_enable_device failed\n"); + goto out_error; + } + + pci_set_master(pdev); + + host = scsi_host_alloc(&ufshcd_driver_template, + sizeof(struct ufs_hba)); + if (!host) { + dev_err(&pdev->dev, "scsi_host_alloc failed\n"); + err = -ENOMEM; + goto out_disable; + } + hba = shost_priv(host); + + err = pci_request_regions(pdev, UFSHCD); + if (err < 0) { + dev_err(&pdev->dev, "request regions failed\n"); + goto out_disable; + } + + hba->mmio_base = pci_ioremap_bar(pdev, 0); + if (!hba->mmio_base) { + dev_err(&pdev->dev, "memory map failed\n"); + err = -ENOMEM; + goto out_release_regions; + } + + hba->host = host; + hba->pdev = pdev; + + /* Read capabilities registers */ + ufshcd_hba_capabilities(hba); + + /* Get UFS version supported by the controller */ + hba->ufs_version = ufshcd_get_ufs_version(hba); + + err = ufshcd_set_dma_mask(hba); + if (err) { + dev_err(&pdev->dev, "set dma mask failed\n"); + goto out_iounmap; + } + + /* Allocate memory for host memory space */ + err = ufshcd_memory_alloc(hba); + if (err) { + dev_err(&pdev->dev, "Memory allocation failed\n"); + goto out_iounmap; + } + + /* Configure LRB */ + ufshcd_host_memory_configure(hba); + + host->can_queue = hba->nutrs; + host->cmd_per_lun = hba->nutrs; + host->max_id = UFSHCD_MAX_ID; + host->max_lun = UFSHCD_MAX_LUNS; + host->max_channel = UFSHCD_MAX_CHANNEL; + host->unique_id = host->host_no; + host->max_cmd_len = MAX_CDB_SIZE; + + /* Initailize wait queue for task management */ + init_waitqueue_head(&hba->ufshcd_tm_wait_queue); + + /* Initialize work queues */ + INIT_WORK(&hba->uic_workq, ufshcd_uic_cc_handler); + INIT_WORK(&hba->feh_workq, ufshcd_fatal_err_handler); + + /* IRQ registration */ + err = request_irq(pdev->irq, ufshcd_intr, IRQF_SHARED, UFSHCD, hba); + if (err) { + dev_err(&pdev->dev, "request irq failed\n"); + goto out_lrb_free; + } + + /* Enable SCSI tag mapping */ + err = scsi_init_shared_tag_map(host, host->can_queue); + if (err) { + dev_err(&pdev->dev, "init shared queue failed\n"); + goto out_free_irq; + } + + pci_set_drvdata(pdev, hba); + + err = scsi_add_host(host, &pdev->dev); + if (err) { + dev_err(&pdev->dev, "scsi_add_host failed\n"); + goto out_free_irq; + } + + /* Initialization routine */ + err = ufshcd_initialize_hba(hba); + if (err) { + dev_err(&pdev->dev, "Initialization failed\n"); + goto out_free_irq; + } + + return 0; + +out_free_irq: + free_irq(pdev->irq, hba); +out_lrb_free: + ufshcd_free_hba_memory(hba); +out_iounmap: + iounmap(hba->mmio_base); +out_release_regions: + pci_release_regions(pdev); +out_disable: + scsi_host_put(host); + pci_clear_master(pdev); + pci_disable_device(pdev); +out_error: + return err; +} + +static DEFINE_PCI_DEVICE_TABLE(ufshcd_pci_tbl) = { + { PCI_VENDOR_ID_SAMSUNG, 0xC00C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 }, + { } /* terminate list */ +}; + +MODULE_DEVICE_TABLE(pci, ufshcd_pci_tbl); + +static struct pci_driver ufshcd_pci_driver = { + .name = UFSHCD, + .id_table = ufshcd_pci_tbl, + .probe = ufshcd_probe, + .remove = __devexit_p(ufshcd_remove), + .shutdown = ufshcd_shutdown, +#ifdef CONFIG_PM + .suspend = ufshcd_suspend, + .resume = ufshcd_resume, +#endif +}; + +/** + * ufshcd_init - Driver registration routine + */ +static int __init ufshcd_init(void) +{ + return pci_register_driver(&ufshcd_pci_driver); +} +module_init(ufshcd_init); + +/** + * ufshcd_exit - Driver exit clean-up routine + */ +static void __exit ufshcd_exit(void) +{ + pci_unregister_driver(&ufshcd_pci_driver); +} +module_exit(ufshcd_exit); + + +MODULE_AUTHOR("Santosh Yaragnavi <santosh.sy@samsung.com>, " + "Vinayak Holikatti <h.vinayak@samsung.com>"); +MODULE_DESCRIPTION("Generic UFS host controller driver"); +MODULE_LICENSE("GPL"); +MODULE_VERSION(UFSHCD_DRIVER_VERSION); diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h new file mode 100644 index 00000000000..6e3510f7116 --- /dev/null +++ b/drivers/scsi/ufs/ufshci.h @@ -0,0 +1,376 @@ +/* + * Universal Flash Storage Host controller driver + * + * This code is based on drivers/scsi/ufs/ufshci.h + * Copyright (C) 2011-2012 Samsung India Software Operations + * + * Santosh Yaraganavi <santosh.sy@samsung.com> + * Vinayak Holikatti <h.vinayak@samsung.com> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * NO WARRANTY + * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR + * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT + * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is + * solely responsible for determining the appropriateness of using and + * distributing the Program and assumes all risks associated with its + * exercise of rights under this Agreement, including but not limited to + * the risks and costs of program errors, damage to or loss of data, + * programs or equipment, and unavailability or interruption of operations. + + * DISCLAIMER OF LIABILITY + * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED + * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, + * USA. + */ + +#ifndef _UFSHCI_H +#define _UFSHCI_H + +enum { + TASK_REQ_UPIU_SIZE_DWORDS = 8, + TASK_RSP_UPIU_SIZE_DWORDS = 8, + ALIGNED_UPIU_SIZE = 128, +}; + +/* UFSHCI Registers */ +enum { + REG_CONTROLLER_CAPABILITIES = 0x00, + REG_UFS_VERSION = 0x08, + REG_CONTROLLER_DEV_ID = 0x10, + REG_CONTROLLER_PROD_ID = 0x14, + REG_INTERRUPT_STATUS = 0x20, + REG_INTERRUPT_ENABLE = 0x24, + REG_CONTROLLER_STATUS = 0x30, + REG_CONTROLLER_ENABLE = 0x34, + REG_UIC_ERROR_CODE_PHY_ADAPTER_LAYER = 0x38, + REG_UIC_ERROR_CODE_DATA_LINK_LAYER = 0x3C, + REG_UIC_ERROR_CODE_NETWORK_LAYER = 0x40, + REG_UIC_ERROR_CODE_TRANSPORT_LAYER = 0x44, + REG_UIC_ERROR_CODE_DME = 0x48, + REG_UTP_TRANSFER_REQ_INT_AGG_CONTROL = 0x4C, + REG_UTP_TRANSFER_REQ_LIST_BASE_L = 0x50, + REG_UTP_TRANSFER_REQ_LIST_BASE_H = 0x54, + REG_UTP_TRANSFER_REQ_DOOR_BELL = 0x58, + REG_UTP_TRANSFER_REQ_LIST_CLEAR = 0x5C, + REG_UTP_TRANSFER_REQ_LIST_RUN_STOP = 0x60, + REG_UTP_TASK_REQ_LIST_BASE_L = 0x70, + REG_UTP_TASK_REQ_LIST_BASE_H = 0x74, + REG_UTP_TASK_REQ_DOOR_BELL = 0x78, + REG_UTP_TASK_REQ_LIST_CLEAR = 0x7C, + REG_UTP_TASK_REQ_LIST_RUN_STOP = 0x80, + REG_UIC_COMMAND = 0x90, + REG_UIC_COMMAND_ARG_1 = 0x94, + REG_UIC_COMMAND_ARG_2 = 0x98, + REG_UIC_COMMAND_ARG_3 = 0x9C, +}; + +/* Controller capability masks */ +enum { + MASK_TRANSFER_REQUESTS_SLOTS = 0x0000001F, + MASK_TASK_MANAGEMENT_REQUEST_SLOTS = 0x00070000, + MASK_64_ADDRESSING_SUPPORT = 0x01000000, + MASK_OUT_OF_ORDER_DATA_DELIVERY_SUPPORT = 0x02000000, + MASK_UIC_DME_TEST_MODE_SUPPORT = 0x04000000, +}; + +/* UFS Version 08h */ +#define MINOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 0) +#define MAJOR_VERSION_NUM_MASK UFS_MASK(0xFFFF, 16) + +/* Controller UFSHCI version */ +enum { + UFSHCI_VERSION_10 = 0x00010000, + UFSHCI_VERSION_11 = 0x00010100, +}; + +/* + * HCDDID - Host Controller Identification Descriptor + * - Device ID and Device Class 10h + */ +#define DEVICE_CLASS UFS_MASK(0xFFFF, 0) +#define DEVICE_ID UFS_MASK(0xFF, 24) + +/* + * HCPMID - Host Controller Identification Descriptor + * - Product/Manufacturer ID 14h + */ +#define MANUFACTURE_ID_MASK UFS_MASK(0xFFFF, 0) +#define PRODUCT_ID_MASK UFS_MASK(0xFFFF, 16) + +#define UFS_BIT(x) (1L << (x)) + +#define UTP_TRANSFER_REQ_COMPL UFS_BIT(0) +#define UIC_DME_END_PT_RESET UFS_BIT(1) +#define UIC_ERROR UFS_BIT(2) +#define UIC_TEST_MODE UFS_BIT(3) +#define UIC_POWER_MODE UFS_BIT(4) +#define UIC_HIBERNATE_EXIT UFS_BIT(5) +#define UIC_HIBERNATE_ENTER UFS_BIT(6) +#define UIC_LINK_LOST UFS_BIT(7) +#define UIC_LINK_STARTUP UFS_BIT(8) +#define UTP_TASK_REQ_COMPL UFS_BIT(9) +#define UIC_COMMAND_COMPL UFS_BIT(10) +#define DEVICE_FATAL_ERROR UFS_BIT(11) +#define CONTROLLER_FATAL_ERROR UFS_BIT(16) +#define SYSTEM_BUS_FATAL_ERROR UFS_BIT(17) + +#define UFSHCD_ERROR_MASK (UIC_ERROR |\ + DEVICE_FATAL_ERROR |\ + CONTROLLER_FATAL_ERROR |\ + SYSTEM_BUS_FATAL_ERROR) + +#define INT_FATAL_ERRORS (DEVICE_FATAL_ERROR |\ + CONTROLLER_FATAL_ERROR |\ + SYSTEM_BUS_FATAL_ERROR) + +/* HCS - Host Controller Status 30h */ +#define DEVICE_PRESENT UFS_BIT(0) +#define UTP_TRANSFER_REQ_LIST_READY UFS_BIT(1) +#define UTP_TASK_REQ_LIST_READY UFS_BIT(2) +#define UIC_COMMAND_READY UFS_BIT(3) +#define HOST_ERROR_INDICATOR UFS_BIT(4) +#define DEVICE_ERROR_INDICATOR UFS_BIT(5) +#define UIC_POWER_MODE_CHANGE_REQ_STATUS_MASK UFS_MASK(0x7, 8) + +/* HCE - Host Controller Enable 34h */ +#define CONTROLLER_ENABLE UFS_BIT(0) +#define CONTROLLER_DISABLE 0x0 + +/* UECPA - Host UIC Error Code PHY Adapter Layer 38h */ +#define UIC_PHY_ADAPTER_LAYER_ERROR UFS_BIT(31) +#define UIC_PHY_ADAPTER_LAYER_ERROR_CODE_MASK 0x1F + +/* UECDL - Host UIC Error Code Data Link Layer 3Ch */ +#define UIC_DATA_LINK_LAYER_ERROR UFS_BIT(31) +#define UIC_DATA_LINK_LAYER_ERROR_CODE_MASK 0x7FFF +#define UIC_DATA_LINK_LAYER_ERROR_PA_INIT 0x2000 + +/* UECN - Host UIC Error Code Network Layer 40h */ +#define UIC_NETWORK_LAYER_ERROR UFS_BIT(31) +#define UIC_NETWORK_LAYER_ERROR_CODE_MASK 0x7 + +/* UECT - Host UIC Error Code Transport Layer 44h */ +#define UIC_TRANSPORT_LAYER_ERROR UFS_BIT(31) +#define UIC_TRANSPORT_LAYER_ERROR_CODE_MASK 0x7F + +/* UECDME - Host UIC Error Code DME 48h */ +#define UIC_DME_ERROR UFS_BIT(31) +#define UIC_DME_ERROR_CODE_MASK 0x1 + +#define INT_AGGR_TIMEOUT_VAL_MASK 0xFF +#define INT_AGGR_COUNTER_THRESHOLD_MASK UFS_MASK(0x1F, 8) +#define INT_AGGR_COUNTER_AND_TIMER_RESET UFS_BIT(16) +#define INT_AGGR_STATUS_BIT UFS_BIT(20) +#define INT_AGGR_PARAM_WRITE UFS_BIT(24) +#define INT_AGGR_ENABLE UFS_BIT(31) + +/* UTRLRSR - UTP Transfer Request Run-Stop Register 60h */ +#define UTP_TRANSFER_REQ_LIST_RUN_STOP_BIT UFS_BIT(0) + +/* UTMRLRSR - UTP Task Management Request Run-Stop Register 80h */ +#define UTP_TASK_REQ_LIST_RUN_STOP_BIT UFS_BIT(0) + +/* UICCMD - UIC Command */ +#define COMMAND_OPCODE_MASK 0xFF +#define GEN_SELECTOR_INDEX_MASK 0xFFFF + +#define MIB_ATTRIBUTE_MASK UFS_MASK(0xFFFF, 16) +#define RESET_LEVEL 0xFF + +#define ATTR_SET_TYPE_MASK UFS_MASK(0xFF, 16) +#define CONFIG_RESULT_CODE_MASK 0xFF +#define GENERIC_ERROR_CODE_MASK 0xFF + +/* UIC Commands */ +enum { + UIC_CMD_DME_GET = 0x01, + UIC_CMD_DME_SET = 0x02, + UIC_CMD_DME_PEER_GET = 0x03, + UIC_CMD_DME_PEER_SET = 0x04, + UIC_CMD_DME_POWERON = 0x10, + UIC_CMD_DME_POWEROFF = 0x11, + UIC_CMD_DME_ENABLE = 0x12, + UIC_CMD_DME_RESET = 0x14, + UIC_CMD_DME_END_PT_RST = 0x15, + UIC_CMD_DME_LINK_STARTUP = 0x16, + UIC_CMD_DME_HIBER_ENTER = 0x17, + UIC_CMD_DME_HIBER_EXIT = 0x18, + UIC_CMD_DME_TEST_MODE = 0x1A, +}; + +/* UIC Config result code / Generic error code */ +enum { + UIC_CMD_RESULT_SUCCESS = 0x00, + UIC_CMD_RESULT_INVALID_ATTR = 0x01, + UIC_CMD_RESULT_FAILURE = 0x01, + UIC_CMD_RESULT_INVALID_ATTR_VALUE = 0x02, + UIC_CMD_RESULT_READ_ONLY_ATTR = 0x03, + UIC_CMD_RESULT_WRITE_ONLY_ATTR = 0x04, + UIC_CMD_RESULT_BAD_INDEX = 0x05, + UIC_CMD_RESULT_LOCKED_ATTR = 0x06, + UIC_CMD_RESULT_BAD_TEST_FEATURE_INDEX = 0x07, + UIC_CMD_RESULT_PEER_COMM_FAILURE = 0x08, + UIC_CMD_RESULT_BUSY = 0x09, + UIC_CMD_RESULT_DME_FAILURE = 0x0A, +}; + +#define MASK_UIC_COMMAND_RESULT 0xFF + +#define INT_AGGR_COUNTER_THRESHOLD_VALUE (0x1F << 8) +#define INT_AGGR_TIMEOUT_VALUE (0x02) + +/* Interrupt disable masks */ +enum { + /* Interrupt disable mask for UFSHCI v1.0 */ + INTERRUPT_DISABLE_MASK_10 = 0xFFFF, + + /* Interrupt disable mask for UFSHCI v1.1 */ + INTERRUPT_DISABLE_MASK_11 = 0x0, +}; + +/* + * Request Descriptor Definitions + */ + +/* Transfer request command type */ +enum { + UTP_CMD_TYPE_SCSI = 0x0, + UTP_CMD_TYPE_UFS = 0x1, + UTP_CMD_TYPE_DEV_MANAGE = 0x2, +}; + +enum { + UTP_SCSI_COMMAND = 0x00000000, + UTP_NATIVE_UFS_COMMAND = 0x10000000, + UTP_DEVICE_MANAGEMENT_FUNCTION = 0x20000000, + UTP_REQ_DESC_INT_CMD = 0x01000000, +}; + +/* UTP Transfer Request Data Direction (DD) */ +enum { + UTP_NO_DATA_TRANSFER = 0x00000000, + UTP_HOST_TO_DEVICE = 0x02000000, + UTP_DEVICE_TO_HOST = 0x04000000, +}; + +/* Overall command status values */ +enum { + OCS_SUCCESS = 0x0, + OCS_INVALID_CMD_TABLE_ATTR = 0x1, + OCS_INVALID_PRDT_ATTR = 0x2, + OCS_MISMATCH_DATA_BUF_SIZE = 0x3, + OCS_MISMATCH_RESP_UPIU_SIZE = 0x4, + OCS_PEER_COMM_FAILURE = 0x5, + OCS_ABORTED = 0x6, + OCS_FATAL_ERROR = 0x7, + OCS_INVALID_COMMAND_STATUS = 0x0F, + MASK_OCS = 0x0F, +}; + +/** + * struct ufshcd_sg_entry - UFSHCI PRD Entry + * @base_addr: Lower 32bit physical address DW-0 + * @upper_addr: Upper 32bit physical address DW-1 + * @reserved: Reserved for future use DW-2 + * @size: size of physical segment DW-3 + */ +struct ufshcd_sg_entry { + u32 base_addr; + u32 upper_addr; + u32 reserved; + u32 size; +}; + +/** + * struct utp_transfer_cmd_desc - UFS Command Descriptor structure + * @command_upiu: Command UPIU Frame address + * @response_upiu: Response UPIU Frame address + * @prd_table: Physical Region Descriptor + */ +struct utp_transfer_cmd_desc { + u8 command_upiu[ALIGNED_UPIU_SIZE]; + u8 response_upiu[ALIGNED_UPIU_SIZE]; + struct ufshcd_sg_entry prd_table[SG_ALL]; +}; + +/** + * struct request_desc_header - Descriptor Header common to both UTRD and UTMRD + * @dword0: Descriptor Header DW0 + * @dword1: Descriptor Header DW1 + * @dword2: Descriptor Header DW2 + * @dword3: Descriptor Header DW3 + */ +struct request_desc_header { + u32 dword_0; + u32 dword_1; + u32 dword_2; + u32 dword_3; +}; + +/** + * struct utp_transfer_req_desc - UTRD structure + * @header: UTRD header DW-0 to DW-3 + * @command_desc_base_addr_lo: UCD base address low DW-4 + * @command_desc_base_addr_hi: UCD base address high DW-5 + * @response_upiu_length: response UPIU length DW-6 + * @response_upiu_offset: response UPIU offset DW-6 + * @prd_table_length: Physical region descriptor length DW-7 + * @prd_table_offset: Physical region descriptor offset DW-7 + */ +struct utp_transfer_req_desc { + + /* DW 0-3 */ + struct request_desc_header header; + + /* DW 4-5*/ + u32 command_desc_base_addr_lo; + u32 command_desc_base_addr_hi; + + /* DW 6 */ + u16 response_upiu_length; + u16 response_upiu_offset; + + /* DW 7 */ + u16 prd_table_length; + u16 prd_table_offset; +}; + +/** + * struct utp_task_req_desc - UTMRD structure + * @header: UTMRD header DW-0 to DW-3 + * @task_req_upiu: Pointer to task request UPIU DW-4 to DW-11 + * @task_rsp_upiu: Pointer to task response UPIU DW12 to DW-19 + */ +struct utp_task_req_desc { + + /* DW 0-3 */ + struct request_desc_header header; + + /* DW 4-11 */ + u32 task_req_upiu[TASK_REQ_UPIU_SIZE_DWORDS]; + + /* DW 12-19 */ + u32 task_rsp_upiu[TASK_RSP_UPIU_SIZE_DWORDS]; +}; + +#endif /* End of Header */ diff --git a/drivers/scsi/ultrastor.c b/drivers/scsi/ultrastor.c index 7e22b737dfd..14e0c40a68c 100644 --- a/drivers/scsi/ultrastor.c +++ b/drivers/scsi/ultrastor.c @@ -141,7 +141,6 @@ #include <linux/delay.h> #include <asm/io.h> -#include <asm/system.h> #include <asm/dma.h> #define ULTRASTOR_PRIVATE /* Get the private stuff from ultrastor.h */ diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c new file mode 100644 index 00000000000..efccd72c4a3 --- /dev/null +++ b/drivers/scsi/virtio_scsi.c @@ -0,0 +1,594 @@ +/* + * Virtio SCSI HBA driver + * + * Copyright IBM Corp. 2010 + * Copyright Red Hat, Inc. 2011 + * + * Authors: + * Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> + * Paolo Bonzini <pbonzini@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + * + */ + +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/mempool.h> +#include <linux/virtio.h> +#include <linux/virtio_ids.h> +#include <linux/virtio_config.h> +#include <linux/virtio_scsi.h> +#include <scsi/scsi_host.h> +#include <scsi/scsi_device.h> +#include <scsi/scsi_cmnd.h> + +#define VIRTIO_SCSI_MEMPOOL_SZ 64 + +/* Command queue element */ +struct virtio_scsi_cmd { + struct scsi_cmnd *sc; + struct completion *comp; + union { + struct virtio_scsi_cmd_req cmd; + struct virtio_scsi_ctrl_tmf_req tmf; + struct virtio_scsi_ctrl_an_req an; + } req; + union { + struct virtio_scsi_cmd_resp cmd; + struct virtio_scsi_ctrl_tmf_resp tmf; + struct virtio_scsi_ctrl_an_resp an; + struct virtio_scsi_event evt; + } resp; +} ____cacheline_aligned_in_smp; + +/* Driver instance state */ +struct virtio_scsi { + /* Protects ctrl_vq, req_vq and sg[] */ + spinlock_t vq_lock; + + struct virtio_device *vdev; + struct virtqueue *ctrl_vq; + struct virtqueue *event_vq; + struct virtqueue *req_vq; + + /* For sglist construction when adding commands to the virtqueue. */ + struct scatterlist sg[]; +}; + +static struct kmem_cache *virtscsi_cmd_cache; +static mempool_t *virtscsi_cmd_pool; + +static inline struct Scsi_Host *virtio_scsi_host(struct virtio_device *vdev) +{ + return vdev->priv; +} + +static void virtscsi_compute_resid(struct scsi_cmnd *sc, u32 resid) +{ + if (!resid) + return; + + if (!scsi_bidi_cmnd(sc)) { + scsi_set_resid(sc, resid); + return; + } + + scsi_in(sc)->resid = min(resid, scsi_in(sc)->length); + scsi_out(sc)->resid = resid - scsi_in(sc)->resid; +} + +/** + * virtscsi_complete_cmd - finish a scsi_cmd and invoke scsi_done + * + * Called with vq_lock held. + */ +static void virtscsi_complete_cmd(void *buf) +{ + struct virtio_scsi_cmd *cmd = buf; + struct scsi_cmnd *sc = cmd->sc; + struct virtio_scsi_cmd_resp *resp = &cmd->resp.cmd; + + dev_dbg(&sc->device->sdev_gendev, + "cmd %p response %u status %#02x sense_len %u\n", + sc, resp->response, resp->status, resp->sense_len); + + sc->result = resp->status; + virtscsi_compute_resid(sc, resp->resid); + switch (resp->response) { + case VIRTIO_SCSI_S_OK: + set_host_byte(sc, DID_OK); + break; + case VIRTIO_SCSI_S_OVERRUN: + set_host_byte(sc, DID_ERROR); + break; + case VIRTIO_SCSI_S_ABORTED: + set_host_byte(sc, DID_ABORT); + break; + case VIRTIO_SCSI_S_BAD_TARGET: + set_host_byte(sc, DID_BAD_TARGET); + break; + case VIRTIO_SCSI_S_RESET: + set_host_byte(sc, DID_RESET); + break; + case VIRTIO_SCSI_S_BUSY: + set_host_byte(sc, DID_BUS_BUSY); + break; + case VIRTIO_SCSI_S_TRANSPORT_FAILURE: + set_host_byte(sc, DID_TRANSPORT_DISRUPTED); + break; + case VIRTIO_SCSI_S_TARGET_FAILURE: + set_host_byte(sc, DID_TARGET_FAILURE); + break; + case VIRTIO_SCSI_S_NEXUS_FAILURE: + set_host_byte(sc, DID_NEXUS_FAILURE); + break; + default: + scmd_printk(KERN_WARNING, sc, "Unknown response %d", + resp->response); + /* fall through */ + case VIRTIO_SCSI_S_FAILURE: + set_host_byte(sc, DID_ERROR); + break; + } + + WARN_ON(resp->sense_len > VIRTIO_SCSI_SENSE_SIZE); + if (sc->sense_buffer) { + memcpy(sc->sense_buffer, resp->sense, + min_t(u32, resp->sense_len, VIRTIO_SCSI_SENSE_SIZE)); + if (resp->sense_len) + set_driver_byte(sc, DRIVER_SENSE); + } + + mempool_free(cmd, virtscsi_cmd_pool); + sc->scsi_done(sc); +} + +static void virtscsi_vq_done(struct virtqueue *vq, void (*fn)(void *buf)) +{ + struct Scsi_Host *sh = virtio_scsi_host(vq->vdev); + struct virtio_scsi *vscsi = shost_priv(sh); + void *buf; + unsigned long flags; + unsigned int len; + + spin_lock_irqsave(&vscsi->vq_lock, flags); + + do { + virtqueue_disable_cb(vq); + while ((buf = virtqueue_get_buf(vq, &len)) != NULL) + fn(buf); + } while (!virtqueue_enable_cb(vq)); + + spin_unlock_irqrestore(&vscsi->vq_lock, flags); +} + +static void virtscsi_req_done(struct virtqueue *vq) +{ + virtscsi_vq_done(vq, virtscsi_complete_cmd); +}; + +static void virtscsi_complete_free(void *buf) +{ + struct virtio_scsi_cmd *cmd = buf; + + if (cmd->comp) + complete_all(cmd->comp); + mempool_free(cmd, virtscsi_cmd_pool); +} + +static void virtscsi_ctrl_done(struct virtqueue *vq) +{ + virtscsi_vq_done(vq, virtscsi_complete_free); +}; + +static void virtscsi_event_done(struct virtqueue *vq) +{ + virtscsi_vq_done(vq, virtscsi_complete_free); +}; + +static void virtscsi_map_sgl(struct scatterlist *sg, unsigned int *p_idx, + struct scsi_data_buffer *sdb) +{ + struct sg_table *table = &sdb->table; + struct scatterlist *sg_elem; + unsigned int idx = *p_idx; + int i; + + for_each_sg(table->sgl, sg_elem, table->nents, i) + sg_set_buf(&sg[idx++], sg_virt(sg_elem), sg_elem->length); + + *p_idx = idx; +} + +/** + * virtscsi_map_cmd - map a scsi_cmd to a virtqueue scatterlist + * @vscsi : virtio_scsi state + * @cmd : command structure + * @out_num : number of read-only elements + * @in_num : number of write-only elements + * @req_size : size of the request buffer + * @resp_size : size of the response buffer + * + * Called with vq_lock held. + */ +static void virtscsi_map_cmd(struct virtio_scsi *vscsi, + struct virtio_scsi_cmd *cmd, + unsigned *out_num, unsigned *in_num, + size_t req_size, size_t resp_size) +{ + struct scsi_cmnd *sc = cmd->sc; + struct scatterlist *sg = vscsi->sg; + unsigned int idx = 0; + + if (sc) { + struct Scsi_Host *shost = virtio_scsi_host(vscsi->vdev); + BUG_ON(scsi_sg_count(sc) > shost->sg_tablesize); + + /* TODO: check feature bit and fail if unsupported? */ + BUG_ON(sc->sc_data_direction == DMA_BIDIRECTIONAL); + } + + /* Request header. */ + sg_set_buf(&sg[idx++], &cmd->req, req_size); + + /* Data-out buffer. */ + if (sc && sc->sc_data_direction != DMA_FROM_DEVICE) + virtscsi_map_sgl(sg, &idx, scsi_out(sc)); + + *out_num = idx; + + /* Response header. */ + sg_set_buf(&sg[idx++], &cmd->resp, resp_size); + + /* Data-in buffer */ + if (sc && sc->sc_data_direction != DMA_TO_DEVICE) + virtscsi_map_sgl(sg, &idx, scsi_in(sc)); + + *in_num = idx - *out_num; +} + +static int virtscsi_kick_cmd(struct virtio_scsi *vscsi, struct virtqueue *vq, + struct virtio_scsi_cmd *cmd, + size_t req_size, size_t resp_size, gfp_t gfp) +{ + unsigned int out_num, in_num; + unsigned long flags; + int ret; + + spin_lock_irqsave(&vscsi->vq_lock, flags); + + virtscsi_map_cmd(vscsi, cmd, &out_num, &in_num, req_size, resp_size); + + ret = virtqueue_add_buf(vq, vscsi->sg, out_num, in_num, cmd, gfp); + if (ret >= 0) + virtqueue_kick(vq); + + spin_unlock_irqrestore(&vscsi->vq_lock, flags); + return ret; +} + +static int virtscsi_queuecommand(struct Scsi_Host *sh, struct scsi_cmnd *sc) +{ + struct virtio_scsi *vscsi = shost_priv(sh); + struct virtio_scsi_cmd *cmd; + int ret; + + dev_dbg(&sc->device->sdev_gendev, + "cmd %p CDB: %#02x\n", sc, sc->cmnd[0]); + + ret = SCSI_MLQUEUE_HOST_BUSY; + cmd = mempool_alloc(virtscsi_cmd_pool, GFP_ATOMIC); + if (!cmd) + goto out; + + memset(cmd, 0, sizeof(*cmd)); + cmd->sc = sc; + cmd->req.cmd = (struct virtio_scsi_cmd_req){ + .lun[0] = 1, + .lun[1] = sc->device->id, + .lun[2] = (sc->device->lun >> 8) | 0x40, + .lun[3] = sc->device->lun & 0xff, + .tag = (unsigned long)sc, + .task_attr = VIRTIO_SCSI_S_SIMPLE, + .prio = 0, + .crn = 0, + }; + + BUG_ON(sc->cmd_len > VIRTIO_SCSI_CDB_SIZE); + memcpy(cmd->req.cmd.cdb, sc->cmnd, sc->cmd_len); + + if (virtscsi_kick_cmd(vscsi, vscsi->req_vq, cmd, + sizeof cmd->req.cmd, sizeof cmd->resp.cmd, + GFP_ATOMIC) >= 0) + ret = 0; + +out: + return ret; +} + +static int virtscsi_tmf(struct virtio_scsi *vscsi, struct virtio_scsi_cmd *cmd) +{ + DECLARE_COMPLETION_ONSTACK(comp); + int ret; + + cmd->comp = ∁ + ret = virtscsi_kick_cmd(vscsi, vscsi->ctrl_vq, cmd, + sizeof cmd->req.tmf, sizeof cmd->resp.tmf, + GFP_NOIO); + if (ret < 0) + return FAILED; + + wait_for_completion(&comp); + if (cmd->resp.tmf.response != VIRTIO_SCSI_S_OK && + cmd->resp.tmf.response != VIRTIO_SCSI_S_FUNCTION_SUCCEEDED) + return FAILED; + + return SUCCESS; +} + +static int virtscsi_device_reset(struct scsi_cmnd *sc) +{ + struct virtio_scsi *vscsi = shost_priv(sc->device->host); + struct virtio_scsi_cmd *cmd; + + sdev_printk(KERN_INFO, sc->device, "device reset\n"); + cmd = mempool_alloc(virtscsi_cmd_pool, GFP_NOIO); + if (!cmd) + return FAILED; + + memset(cmd, 0, sizeof(*cmd)); + cmd->sc = sc; + cmd->req.tmf = (struct virtio_scsi_ctrl_tmf_req){ + .type = VIRTIO_SCSI_T_TMF, + .subtype = VIRTIO_SCSI_T_TMF_LOGICAL_UNIT_RESET, + .lun[0] = 1, + .lun[1] = sc->device->id, + .lun[2] = (sc->device->lun >> 8) | 0x40, + .lun[3] = sc->device->lun & 0xff, + }; + return virtscsi_tmf(vscsi, cmd); +} + +static int virtscsi_abort(struct scsi_cmnd *sc) +{ + struct virtio_scsi *vscsi = shost_priv(sc->device->host); + struct virtio_scsi_cmd *cmd; + + scmd_printk(KERN_INFO, sc, "abort\n"); + cmd = mempool_alloc(virtscsi_cmd_pool, GFP_NOIO); + if (!cmd) + return FAILED; + + memset(cmd, 0, sizeof(*cmd)); + cmd->sc = sc; + cmd->req.tmf = (struct virtio_scsi_ctrl_tmf_req){ + .type = VIRTIO_SCSI_T_TMF, + .subtype = VIRTIO_SCSI_T_TMF_ABORT_TASK, + .lun[0] = 1, + .lun[1] = sc->device->id, + .lun[2] = (sc->device->lun >> 8) | 0x40, + .lun[3] = sc->device->lun & 0xff, + .tag = (unsigned long)sc, + }; + return virtscsi_tmf(vscsi, cmd); +} + +static struct scsi_host_template virtscsi_host_template = { + .module = THIS_MODULE, + .name = "Virtio SCSI HBA", + .proc_name = "virtio_scsi", + .queuecommand = virtscsi_queuecommand, + .this_id = -1, + .eh_abort_handler = virtscsi_abort, + .eh_device_reset_handler = virtscsi_device_reset, + + .can_queue = 1024, + .dma_boundary = UINT_MAX, + .use_clustering = ENABLE_CLUSTERING, +}; + +#define virtscsi_config_get(vdev, fld) \ + ({ \ + typeof(((struct virtio_scsi_config *)0)->fld) __val; \ + vdev->config->get(vdev, \ + offsetof(struct virtio_scsi_config, fld), \ + &__val, sizeof(__val)); \ + __val; \ + }) + +#define virtscsi_config_set(vdev, fld, val) \ + (void)({ \ + typeof(((struct virtio_scsi_config *)0)->fld) __val = (val); \ + vdev->config->set(vdev, \ + offsetof(struct virtio_scsi_config, fld), \ + &__val, sizeof(__val)); \ + }) + +static int virtscsi_init(struct virtio_device *vdev, + struct virtio_scsi *vscsi) +{ + int err; + struct virtqueue *vqs[3]; + vq_callback_t *callbacks[] = { + virtscsi_ctrl_done, + virtscsi_event_done, + virtscsi_req_done + }; + const char *names[] = { + "control", + "event", + "request" + }; + + /* Discover virtqueues and write information to configuration. */ + err = vdev->config->find_vqs(vdev, 3, vqs, callbacks, names); + if (err) + return err; + + vscsi->ctrl_vq = vqs[0]; + vscsi->event_vq = vqs[1]; + vscsi->req_vq = vqs[2]; + + virtscsi_config_set(vdev, cdb_size, VIRTIO_SCSI_CDB_SIZE); + virtscsi_config_set(vdev, sense_size, VIRTIO_SCSI_SENSE_SIZE); + return 0; +} + +static int __devinit virtscsi_probe(struct virtio_device *vdev) +{ + struct Scsi_Host *shost; + struct virtio_scsi *vscsi; + int err; + u32 sg_elems; + u32 cmd_per_lun; + + /* We need to know how many segments before we allocate. + * We need an extra sg elements at head and tail. + */ + sg_elems = virtscsi_config_get(vdev, seg_max) ?: 1; + + /* Allocate memory and link the structs together. */ + shost = scsi_host_alloc(&virtscsi_host_template, + sizeof(*vscsi) + sizeof(vscsi->sg[0]) * (sg_elems + 2)); + + if (!shost) + return -ENOMEM; + + shost->sg_tablesize = sg_elems; + vscsi = shost_priv(shost); + vscsi->vdev = vdev; + vdev->priv = shost; + + /* Random initializations. */ + spin_lock_init(&vscsi->vq_lock); + sg_init_table(vscsi->sg, sg_elems + 2); + + err = virtscsi_init(vdev, vscsi); + if (err) + goto virtscsi_init_failed; + + cmd_per_lun = virtscsi_config_get(vdev, cmd_per_lun) ?: 1; + shost->cmd_per_lun = min_t(u32, cmd_per_lun, shost->can_queue); + shost->max_sectors = virtscsi_config_get(vdev, max_sectors) ?: 0xFFFF; + shost->max_lun = virtscsi_config_get(vdev, max_lun) + 1; + shost->max_id = virtscsi_config_get(vdev, max_target) + 1; + shost->max_channel = 0; + shost->max_cmd_len = VIRTIO_SCSI_CDB_SIZE; + err = scsi_add_host(shost, &vdev->dev); + if (err) + goto scsi_add_host_failed; + + scsi_scan_host(shost); + + return 0; + +scsi_add_host_failed: + vdev->config->del_vqs(vdev); +virtscsi_init_failed: + scsi_host_put(shost); + return err; +} + +static void virtscsi_remove_vqs(struct virtio_device *vdev) +{ + /* Stop all the virtqueues. */ + vdev->config->reset(vdev); + + vdev->config->del_vqs(vdev); +} + +static void __devexit virtscsi_remove(struct virtio_device *vdev) +{ + struct Scsi_Host *shost = virtio_scsi_host(vdev); + + scsi_remove_host(shost); + + virtscsi_remove_vqs(vdev); + scsi_host_put(shost); +} + +#ifdef CONFIG_PM +static int virtscsi_freeze(struct virtio_device *vdev) +{ + virtscsi_remove_vqs(vdev); + return 0; +} + +static int virtscsi_restore(struct virtio_device *vdev) +{ + struct Scsi_Host *sh = virtio_scsi_host(vdev); + struct virtio_scsi *vscsi = shost_priv(sh); + + return virtscsi_init(vdev, vscsi); +} +#endif + +static struct virtio_device_id id_table[] = { + { VIRTIO_ID_SCSI, VIRTIO_DEV_ANY_ID }, + { 0 }, +}; + +static struct virtio_driver virtio_scsi_driver = { + .driver.name = KBUILD_MODNAME, + .driver.owner = THIS_MODULE, + .id_table = id_table, + .probe = virtscsi_probe, +#ifdef CONFIG_PM + .freeze = virtscsi_freeze, + .restore = virtscsi_restore, +#endif + .remove = __devexit_p(virtscsi_remove), +}; + +static int __init init(void) +{ + int ret = -ENOMEM; + + virtscsi_cmd_cache = KMEM_CACHE(virtio_scsi_cmd, 0); + if (!virtscsi_cmd_cache) { + printk(KERN_ERR "kmem_cache_create() for " + "virtscsi_cmd_cache failed\n"); + goto error; + } + + + virtscsi_cmd_pool = + mempool_create_slab_pool(VIRTIO_SCSI_MEMPOOL_SZ, + virtscsi_cmd_cache); + if (!virtscsi_cmd_pool) { + printk(KERN_ERR "mempool_create() for" + "virtscsi_cmd_pool failed\n"); + goto error; + } + ret = register_virtio_driver(&virtio_scsi_driver); + if (ret < 0) + goto error; + + return 0; + +error: + if (virtscsi_cmd_pool) { + mempool_destroy(virtscsi_cmd_pool); + virtscsi_cmd_pool = NULL; + } + if (virtscsi_cmd_cache) { + kmem_cache_destroy(virtscsi_cmd_cache); + virtscsi_cmd_cache = NULL; + } + return ret; +} + +static void __exit fini(void) +{ + unregister_virtio_driver(&virtio_scsi_driver); + mempool_destroy(virtscsi_cmd_pool); + kmem_cache_destroy(virtscsi_cmd_cache); +} +module_init(init); +module_exit(fini); + +MODULE_DEVICE_TABLE(virtio, id_table); +MODULE_DESCRIPTION("Virtio SCSI HBA driver"); +MODULE_LICENSE("GPL"); diff --git a/drivers/scsi/vmw_pvscsi.c b/drivers/scsi/vmw_pvscsi.c index 7264116185d..4411d422440 100644 --- a/drivers/scsi/vmw_pvscsi.c +++ b/drivers/scsi/vmw_pvscsi.c @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * - * Maintained by: Alok N Kataria <akataria@vmware.com> + * Maintained by: Arvind Kumar <arvindkumar@vmware.com> * */ @@ -1178,11 +1178,67 @@ static int __devinit pvscsi_allocate_sg(struct pvscsi_adapter *adapter) return 0; } +/* + * Query the device, fetch the config info and return the + * maximum number of targets on the adapter. In case of + * failure due to any reason return default i.e. 16. + */ +static u32 pvscsi_get_max_targets(struct pvscsi_adapter *adapter) +{ + struct PVSCSICmdDescConfigCmd cmd; + struct PVSCSIConfigPageHeader *header; + struct device *dev; + dma_addr_t configPagePA; + void *config_page; + u32 numPhys = 16; + + dev = pvscsi_dev(adapter); + config_page = pci_alloc_consistent(adapter->dev, PAGE_SIZE, + &configPagePA); + if (!config_page) { + dev_warn(dev, "vmw_pvscsi: failed to allocate memory for config page\n"); + goto exit; + } + BUG_ON(configPagePA & ~PAGE_MASK); + + /* Fetch config info from the device. */ + cmd.configPageAddress = ((u64)PVSCSI_CONFIG_CONTROLLER_ADDRESS) << 32; + cmd.configPageNum = PVSCSI_CONFIG_PAGE_CONTROLLER; + cmd.cmpAddr = configPagePA; + cmd._pad = 0; + + /* + * Mark the completion page header with error values. If the device + * completes the command successfully, it sets the status values to + * indicate success. + */ + header = config_page; + memset(header, 0, sizeof *header); + header->hostStatus = BTSTAT_INVPARAM; + header->scsiStatus = SDSTAT_CHECK; + + pvscsi_write_cmd_desc(adapter, PVSCSI_CMD_CONFIG, &cmd, sizeof cmd); + + if (header->hostStatus == BTSTAT_SUCCESS && + header->scsiStatus == SDSTAT_GOOD) { + struct PVSCSIConfigPageController *config; + + config = config_page; + numPhys = config->numPhys; + } else + dev_warn(dev, "vmw_pvscsi: PVSCSI_CMD_CONFIG failed. hostStatus = 0x%x, scsiStatus = 0x%x\n", + header->hostStatus, header->scsiStatus); + pci_free_consistent(adapter->dev, PAGE_SIZE, config_page, configPagePA); +exit: + return numPhys; +} + static int __devinit pvscsi_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct pvscsi_adapter *adapter; struct Scsi_Host *host; + struct device *dev; unsigned int i; unsigned long flags = 0; int error; @@ -1272,6 +1328,13 @@ static int __devinit pvscsi_probe(struct pci_dev *pdev, } /* + * Ask the device for max number of targets. + */ + host->max_id = pvscsi_get_max_targets(adapter); + dev = pvscsi_dev(adapter); + dev_info(dev, "vmw_pvscsi: host->max_id: %u\n", host->max_id); + + /* * From this point on we should reset the adapter if anything goes * wrong. */ diff --git a/drivers/scsi/vmw_pvscsi.h b/drivers/scsi/vmw_pvscsi.h index 62e36e75715..3546e8662e3 100644 --- a/drivers/scsi/vmw_pvscsi.h +++ b/drivers/scsi/vmw_pvscsi.h @@ -17,7 +17,7 @@ * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * - * Maintained by: Alok N Kataria <akataria@vmware.com> + * Maintained by: Arvind Kumar <arvindkumar@vmware.com> * */ @@ -26,7 +26,7 @@ #include <linux/types.h> -#define PVSCSI_DRIVER_VERSION_STRING "1.0.1.0-k" +#define PVSCSI_DRIVER_VERSION_STRING "1.0.2.0-k" #define PVSCSI_MAX_NUM_SG_ENTRIES_PER_SEGMENT 128 @@ -39,28 +39,45 @@ * host adapter status/error codes */ enum HostBusAdapterStatus { - BTSTAT_SUCCESS = 0x00, /* CCB complete normally with no errors */ - BTSTAT_LINKED_COMMAND_COMPLETED = 0x0a, - BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG = 0x0b, - BTSTAT_DATA_UNDERRUN = 0x0c, - BTSTAT_SELTIMEO = 0x11, /* SCSI selection timeout */ - BTSTAT_DATARUN = 0x12, /* data overrun/underrun */ - BTSTAT_BUSFREE = 0x13, /* unexpected bus free */ - BTSTAT_INVPHASE = 0x14, /* invalid bus phase or sequence requested by target */ - BTSTAT_LUNMISMATCH = 0x17, /* linked CCB has different LUN from first CCB */ - BTSTAT_SENSFAILED = 0x1b, /* auto request sense failed */ - BTSTAT_TAGREJECT = 0x1c, /* SCSI II tagged queueing message rejected by target */ - BTSTAT_BADMSG = 0x1d, /* unsupported message received by the host adapter */ - BTSTAT_HAHARDWARE = 0x20, /* host adapter hardware failed */ - BTSTAT_NORESPONSE = 0x21, /* target did not respond to SCSI ATN, sent a SCSI RST */ - BTSTAT_SENTRST = 0x22, /* host adapter asserted a SCSI RST */ - BTSTAT_RECVRST = 0x23, /* other SCSI devices asserted a SCSI RST */ - BTSTAT_DISCONNECT = 0x24, /* target device reconnected improperly (w/o tag) */ - BTSTAT_BUSRESET = 0x25, /* host adapter issued BUS device reset */ - BTSTAT_ABORTQUEUE = 0x26, /* abort queue generated */ - BTSTAT_HASOFTWARE = 0x27, /* host adapter software error */ - BTSTAT_HATIMEOUT = 0x30, /* host adapter hardware timeout error */ - BTSTAT_SCSIPARITY = 0x34, /* SCSI parity error detected */ + BTSTAT_SUCCESS = 0x00, /* CCB complete normally with no errors */ + BTSTAT_LINKED_COMMAND_COMPLETED = 0x0a, + BTSTAT_LINKED_COMMAND_COMPLETED_WITH_FLAG = 0x0b, + BTSTAT_DATA_UNDERRUN = 0x0c, + BTSTAT_SELTIMEO = 0x11, /* SCSI selection timeout */ + BTSTAT_DATARUN = 0x12, /* data overrun/underrun */ + BTSTAT_BUSFREE = 0x13, /* unexpected bus free */ + BTSTAT_INVPHASE = 0x14, /* invalid bus phase or sequence + * requested by target */ + BTSTAT_LUNMISMATCH = 0x17, /* linked CCB has different LUN from + * first CCB */ + BTSTAT_INVPARAM = 0x1a, /* invalid parameter in CCB or segment + * list */ + BTSTAT_SENSFAILED = 0x1b, /* auto request sense failed */ + BTSTAT_TAGREJECT = 0x1c, /* SCSI II tagged queueing message + * rejected by target */ + BTSTAT_BADMSG = 0x1d, /* unsupported message received by the + * host adapter */ + BTSTAT_HAHARDWARE = 0x20, /* host adapter hardware failed */ + BTSTAT_NORESPONSE = 0x21, /* target did not respond to SCSI ATN, + * sent a SCSI RST */ + BTSTAT_SENTRST = 0x22, /* host adapter asserted a SCSI RST */ + BTSTAT_RECVRST = 0x23, /* other SCSI devices asserted a SCSI + * RST */ + BTSTAT_DISCONNECT = 0x24, /* target device reconnected improperly + * (w/o tag) */ + BTSTAT_BUSRESET = 0x25, /* host adapter issued BUS device reset */ + BTSTAT_ABORTQUEUE = 0x26, /* abort queue generated */ + BTSTAT_HASOFTWARE = 0x27, /* host adapter software error */ + BTSTAT_HATIMEOUT = 0x30, /* host adapter hardware timeout error */ + BTSTAT_SCSIPARITY = 0x34, /* SCSI parity error detected */ +}; + +/* + * SCSI device status values. + */ +enum ScsiDeviceStatus { + SDSTAT_GOOD = 0x00, /* No errors. */ + SDSTAT_CHECK = 0x02, /* Check condition. */ }; /* @@ -114,6 +131,29 @@ struct PVSCSICmdDescResetDevice { } __packed; /* + * Command descriptor for PVSCSI_CMD_CONFIG -- + */ + +struct PVSCSICmdDescConfigCmd { + u64 cmpAddr; + u64 configPageAddress; + u32 configPageNum; + u32 _pad; +} __packed; + +enum PVSCSIConfigPageType { + PVSCSI_CONFIG_PAGE_CONTROLLER = 0x1958, + PVSCSI_CONFIG_PAGE_PHY = 0x1959, + PVSCSI_CONFIG_PAGE_DEVICE = 0x195a, +}; + +enum PVSCSIConfigPageAddressType { + PVSCSI_CONFIG_CONTROLLER_ADDRESS = 0x2120, + PVSCSI_CONFIG_BUSTARGET_ADDRESS = 0x2121, + PVSCSI_CONFIG_PHY_ADDRESS = 0x2122, +}; + +/* * Command descriptor for PVSCSI_CMD_ABORT_CMD -- * * - currently does not support specifying the LUN. @@ -332,6 +372,27 @@ struct PVSCSIRingCmpDesc { u32 _pad[2]; } __packed; +struct PVSCSIConfigPageHeader { + u32 pageNum; + u16 numDwords; + u16 hostStatus; + u16 scsiStatus; + u16 reserved[3]; +} __packed; + +struct PVSCSIConfigPageController { + struct PVSCSIConfigPageHeader header; + u64 nodeWWN; /* Device name as defined in the SAS spec. */ + u16 manufacturer[64]; + u16 serialNumber[64]; + u16 opromVersion[32]; + u16 hwVersion[32]; + u16 firmwareVersion[32]; + u32 numPhys; + u8 useConsecutivePhyWWNs; + u8 reserved[3]; +} __packed; + /* * Interrupt status / IRQ bits. */ diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c index 9ee0afef2d1..d89a5dfd3ad 100644 --- a/drivers/scsi/wd7000.c +++ b/drivers/scsi/wd7000.c @@ -179,7 +179,6 @@ #include <linux/stat.h> #include <linux/io.h> -#include <asm/system.h> #include <asm/dma.h> #include <scsi/scsi.h> |