diff options
Diffstat (limited to 'drivers/scsi/arcmsr/arcmsr_hba.c')
| -rw-r--r-- | drivers/scsi/arcmsr/arcmsr_hba.c | 3286 |
1 files changed, 2458 insertions, 828 deletions
diff --git a/drivers/scsi/arcmsr/arcmsr_hba.c b/drivers/scsi/arcmsr/arcmsr_hba.c index 475f978ff8f..652b41b4ddb 100644 --- a/drivers/scsi/arcmsr/arcmsr_hba.c +++ b/drivers/scsi/arcmsr/arcmsr_hba.c @@ -2,14 +2,14 @@ ******************************************************************************* ** O.S : Linux ** FILE NAME : arcmsr_hba.c -** BY : Erich Chen +** BY : Nick Cheng ** Description: SCSI RAID Device Driver for ** ARECA RAID Host adapter ******************************************************************************* ** Copyright (C) 2002 - 2005, Areca Technology Corporation All rights reserved ** ** Web site: www.areca.com.tw -** E-mail: erich@areca.com.tw +** E-mail: support@areca.com.tw ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License version 2 as @@ -56,10 +56,11 @@ #include <linux/delay.h> #include <linux/dma-mapping.h> #include <linux/timer.h> +#include <linux/slab.h> #include <linux/pci.h> +#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> @@ -69,33 +70,50 @@ #include <scsi/scsi_transport.h> #include <scsi/scsicam.h> #include "arcmsr.h" - -MODULE_AUTHOR("Erich Chen <erich@areca.com.tw>"); -MODULE_DESCRIPTION("ARECA (ARC11xx/12xx) SATA RAID HOST Adapter"); +MODULE_AUTHOR("Nick Cheng <support@areca.com.tw>"); +MODULE_DESCRIPTION("ARECA (ARC11xx/12xx/16xx/1880) SATA/SAS RAID Host Bus Adapter"); MODULE_LICENSE("Dual BSD/GPL"); MODULE_VERSION(ARCMSR_DRIVER_VERSION); -static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd); +#define ARCMSR_SLEEPTIME 10 +#define ARCMSR_RETRYCOUNT 12 + +wait_queue_head_t wait_q; +static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, + struct scsi_cmnd *cmd); +static int arcmsr_iop_confirm(struct AdapterControlBlock *acb); static int arcmsr_abort(struct scsi_cmnd *); static int arcmsr_bus_reset(struct scsi_cmnd *); static int arcmsr_bios_param(struct scsi_device *sdev, - struct block_device *bdev, sector_t capacity, int *info); -static int arcmsr_queue_command(struct scsi_cmnd * cmd, - void (*done) (struct scsi_cmnd *)); + struct block_device *bdev, sector_t capacity, int *info); +static int arcmsr_queue_command(struct Scsi_Host *h, struct scsi_cmnd *cmd); static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id); static void arcmsr_remove(struct pci_dev *pdev); static void arcmsr_shutdown(struct pci_dev *pdev); static void arcmsr_iop_init(struct AdapterControlBlock *acb); static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb); +static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb); static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb); -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb); -static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb); +static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb); +static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb); +static void arcmsr_request_device_map(unsigned long pacb); +static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb); +static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb); +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb); +static void arcmsr_message_isr_bh_fn(struct work_struct *work); +static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb); +static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb); +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *pACB); +static void arcmsr_hardware_reset(struct AdapterControlBlock *acb); static const char *arcmsr_info(struct Scsi_Host *); static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb); - -static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_depth) +static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, + int queue_depth, int reason) { + if (reason != SCSI_QDEPTH_DEFAULT) + return -EOPNOTSUPP; + if (queue_depth > ARCMSR_MAX_CMD_PERLUN) queue_depth = ARCMSR_MAX_CMD_PERLUN; scsi_adjust_queue_depth(sdev, MSG_ORDERED_TAG, queue_depth); @@ -104,28 +122,32 @@ static int arcmsr_adjust_disk_queue_depth(struct scsi_device *sdev, int queue_de static struct scsi_host_template arcmsr_scsi_host_template = { .module = THIS_MODULE, - .name = "ARCMSR ARECA SATA RAID HOST Adapter" ARCMSR_DRIVER_VERSION, + .name = "ARCMSR ARECA SATA/SAS RAID Controller" + ARCMSR_DRIVER_VERSION, .info = arcmsr_info, .queuecommand = arcmsr_queue_command, - .eh_abort_handler = arcmsr_abort, + .eh_abort_handler = arcmsr_abort, .eh_bus_reset_handler = arcmsr_bus_reset, .bios_param = arcmsr_bios_param, .change_queue_depth = arcmsr_adjust_disk_queue_depth, - .can_queue = ARCMSR_MAX_OUTSTANDING_CMD, - .this_id = ARCMSR_SCSI_INITIATOR_ID, - .sg_tablesize = ARCMSR_MAX_SG_ENTRIES, - .max_sectors = ARCMSR_MAX_XFER_SECTORS, + .can_queue = ARCMSR_MAX_FREECCB_NUM, + .this_id = ARCMSR_SCSI_INITIATOR_ID, + .sg_tablesize = ARCMSR_DEFAULT_SG_ENTRIES, + .max_sectors = ARCMSR_MAX_XFER_SECTORS_C, .cmd_per_lun = ARCMSR_MAX_CMD_PERLUN, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = arcmsr_host_attrs, + .no_write_same = 1, }; - static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1110)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1120)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1130)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1160)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1170)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1200)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1201)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1202)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1210)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1220)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1230)}, @@ -136,29 +158,106 @@ static struct pci_device_id arcmsr_device_id_table[] = { {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1381)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1680)}, {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1681)}, + {PCI_DEVICE(PCI_VENDOR_ID_ARECA, PCI_DEVICE_ID_ARECA_1880)}, {0, 0}, /* Terminating entry */ }; MODULE_DEVICE_TABLE(pci, arcmsr_device_id_table); static struct pci_driver arcmsr_pci_driver = { .name = "arcmsr", - .id_table = arcmsr_device_id_table, + .id_table = arcmsr_device_id_table, .probe = arcmsr_probe, .remove = arcmsr_remove, - .shutdown = arcmsr_shutdown + .shutdown = arcmsr_shutdown, }; +/* +**************************************************************************** +**************************************************************************** +*/ -static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id, - struct pt_regs *regs) +static void arcmsr_free_hbb_mu(struct AdapterControlBlock *acb) { - irqreturn_t handle_state; - struct AdapterControlBlock *acb; - unsigned long flags; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + case ACB_ADAPTER_TYPE_C: + break; + case ACB_ADAPTER_TYPE_B:{ + dma_free_coherent(&acb->pdev->dev, + sizeof(struct MessageUnit_B), + acb->pmuB, acb->dma_coherent_handle_hbb_mu); + } + } +} + +static bool arcmsr_remap_pciregion(struct AdapterControlBlock *acb) +{ + struct pci_dev *pdev = acb->pdev; + switch (acb->adapter_type){ + case ACB_ADAPTER_TYPE_A:{ + acb->pmuA = ioremap(pci_resource_start(pdev,0), pci_resource_len(pdev,0)); + if (!acb->pmuA) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + break; + } + case ACB_ADAPTER_TYPE_B:{ + void __iomem *mem_base0, *mem_base1; + mem_base0 = ioremap(pci_resource_start(pdev, 0), pci_resource_len(pdev, 0)); + if (!mem_base0) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + mem_base1 = ioremap(pci_resource_start(pdev, 2), pci_resource_len(pdev, 2)); + if (!mem_base1) { + iounmap(mem_base0); + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + acb->mem_base0 = mem_base0; + acb->mem_base1 = mem_base1; + break; + } + case ACB_ADAPTER_TYPE_C:{ + acb->pmuC = ioremap_nocache(pci_resource_start(pdev, 1), pci_resource_len(pdev, 1)); + if (!acb->pmuC) { + printk(KERN_NOTICE "arcmsr%d: memory mapping region fail \n", acb->host->host_no); + return false; + } + if (readl(&acb->pmuC->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, &acb->pmuC->outbound_doorbell_clear);/*clear interrupt*/ + return true; + } + break; + } + } + return true; +} - acb = (struct AdapterControlBlock *)dev_id; +static void arcmsr_unmap_pciregion(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A:{ + iounmap(acb->pmuA); + } + break; + case ACB_ADAPTER_TYPE_B:{ + iounmap(acb->mem_base0); + iounmap(acb->mem_base1); + } + + break; + case ACB_ADAPTER_TYPE_C:{ + iounmap(acb->pmuC); + } + } +} + +static irqreturn_t arcmsr_do_interrupt(int irq, void *dev_id) +{ + irqreturn_t handle_state; + struct AdapterControlBlock *acb = dev_id; - spin_lock_irqsave(acb->host->host_lock, flags); handle_state = arcmsr_interrupt(acb); - spin_unlock_irqrestore(acb->host->host_lock, flags); return handle_state; } @@ -190,237 +289,729 @@ static int arcmsr_bios_param(struct scsi_device *sdev, return 0; } +static void arcmsr_define_adapter_type(struct AdapterControlBlock *acb) +{ + struct pci_dev *pdev = acb->pdev; + u16 dev_id; + pci_read_config_word(pdev, PCI_DEVICE_ID, &dev_id); + acb->dev_id = dev_id; + switch (dev_id) { + case 0x1880: { + acb->adapter_type = ACB_ADAPTER_TYPE_C; + } + break; + case 0x1201: { + acb->adapter_type = ACB_ADAPTER_TYPE_B; + } + break; + + default: acb->adapter_type = ACB_ADAPTER_TYPE_A; + } +} + +static uint8_t arcmsr_hba_wait_msgint_ready(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = acb->pmuA; + int i; + + for (i = 0; i < 2000; i++) { + if (readl(®->outbound_intstatus) & + ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { + writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, + ®->outbound_intstatus); + return true; + } + msleep(10); + } /* max 20 seconds */ + + return false; +} + +static uint8_t arcmsr_hbb_wait_msgint_ready(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + int i; + + for (i = 0; i < 2000; i++) { + if (readl(reg->iop2drv_doorbell) + & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, + reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, + reg->drv2iop_doorbell); + return true; + } + msleep(10); + } /* max 20 seconds */ + + return false; +} + +static uint8_t arcmsr_hbc_wait_msgint_ready(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + int i; + + for (i = 0; i < 2000; i++) { + if (readl(&phbcmu->outbound_doorbell) + & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, + &phbcmu->outbound_doorbell_clear); /*clear interrupt*/ + return true; + } + msleep(10); + } /* max 20 seconds */ + + return false; +} + +static void arcmsr_flush_hba_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = acb->pmuA; + int retry_count = 30; + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); + do { + if (arcmsr_hba_wait_msgint_ready(acb)) + break; + else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout, retry count down = %d \n", acb->host->host_no, retry_count); + } + } while (retry_count != 0); +} + +static void arcmsr_flush_hbb_cache(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + int retry_count = 30; + writel(ARCMSR_MESSAGE_FLUSH_CACHE, reg->drv2iop_doorbell); + do { + if (arcmsr_hbb_wait_msgint_ready(acb)) + break; + else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout,retry count down = %d \n", acb->host->host_no, retry_count); + } + } while (retry_count != 0); +} + +static void arcmsr_flush_hbc_cache(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + int retry_count = 30;/* enlarge wait flush adapter cache time: 10 minute */ + writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + do { + if (arcmsr_hbc_wait_msgint_ready(pACB)) { + break; + } else { + retry_count--; + printk(KERN_NOTICE "arcmsr%d: wait 'flush adapter cache' \ + timeout,retry count down = %d \n", pACB->host->host_no, retry_count); + } + } while (retry_count != 0); + return; +} +static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + arcmsr_flush_hba_cache(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_flush_hbb_cache(acb); + } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_flush_hbc_cache(acb); + } + } +} + static int arcmsr_alloc_ccb_pool(struct AdapterControlBlock *acb) { struct pci_dev *pdev = acb->pdev; - struct MessageUnit __iomem *reg = acb->pmu; - u32 ccb_phyaddr_hi32; void *dma_coherent; - dma_addr_t dma_coherent_handle, dma_addr; + dma_addr_t dma_coherent_handle; struct CommandControlBlock *ccb_tmp; - int i, j; + int i = 0, j = 0; + dma_addr_t cdb_phyaddr; + unsigned long roundup_ccbsize; + unsigned long max_xfer_len; + unsigned long max_sg_entrys; + uint32_t firm_config_version; - dma_coherent = dma_alloc_coherent(&pdev->dev, - ARCMSR_MAX_FREECCB_NUM * - sizeof (struct CommandControlBlock) + 0x20, - &dma_coherent_handle, GFP_KERNEL); - if (!dma_coherent) + for (i = 0; i < ARCMSR_MAX_TARGETID; i++) + for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) + acb->devstate[i][j] = ARECA_RAID_GONE; + + max_xfer_len = ARCMSR_MAX_XFER_LEN; + max_sg_entrys = ARCMSR_DEFAULT_SG_ENTRIES; + firm_config_version = acb->firm_cfg_version; + if((firm_config_version & 0xFF) >= 3){ + max_xfer_len = (ARCMSR_CDB_SG_PAGE_LENGTH << ((firm_config_version >> 8) & 0xFF)) * 1024;/* max 4M byte */ + max_sg_entrys = (max_xfer_len/4096); + } + acb->host->max_sectors = max_xfer_len/512; + acb->host->sg_tablesize = max_sg_entrys; + roundup_ccbsize = roundup(sizeof(struct CommandControlBlock) + (max_sg_entrys - 1) * sizeof(struct SG64ENTRY), 32); + acb->uncache_size = roundup_ccbsize * ARCMSR_MAX_FREECCB_NUM; + dma_coherent = dma_alloc_coherent(&pdev->dev, acb->uncache_size, &dma_coherent_handle, GFP_KERNEL); + if(!dma_coherent){ + printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error\n", acb->host->host_no); return -ENOMEM; - + } acb->dma_coherent = dma_coherent; acb->dma_coherent_handle = dma_coherent_handle; - - if (((unsigned long)dma_coherent & 0x1F)) { - dma_coherent = dma_coherent + - (0x20 - ((unsigned long)dma_coherent & 0x1F)); - dma_coherent_handle = dma_coherent_handle + - (0x20 - ((unsigned long)dma_coherent_handle & 0x1F)); - } - - dma_addr = dma_coherent_handle; - ccb_tmp = (struct CommandControlBlock *)dma_coherent; - for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { - ccb_tmp->cdb_shifted_phyaddr = dma_addr >> 5; - ccb_tmp->acb = acb; + memset(dma_coherent, 0, acb->uncache_size); + ccb_tmp = dma_coherent; + acb->vir2phy_offset = (unsigned long)dma_coherent - (unsigned long)dma_coherent_handle; + for(i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++){ + cdb_phyaddr = dma_coherent_handle + offsetof(struct CommandControlBlock, arcmsr_cdb); + ccb_tmp->cdb_phyaddr_pattern = ((acb->adapter_type == ACB_ADAPTER_TYPE_C) ? cdb_phyaddr : (cdb_phyaddr >> 5)); acb->pccb_pool[i] = ccb_tmp; + ccb_tmp->acb = acb; + INIT_LIST_HEAD(&ccb_tmp->list); list_add_tail(&ccb_tmp->list, &acb->ccb_free_list); - dma_addr = dma_addr + sizeof (struct CommandControlBlock); - ccb_tmp++; + ccb_tmp = (struct CommandControlBlock *)((unsigned long)ccb_tmp + roundup_ccbsize); + dma_coherent_handle = dma_coherent_handle + roundup_ccbsize; } + return 0; +} - acb->vir2phy_offset = (unsigned long)ccb_tmp - - (unsigned long)dma_addr; - for (i = 0; i < ARCMSR_MAX_TARGETID; i++) - for (j = 0; j < ARCMSR_MAX_TARGETLUN; j++) - acb->devstate[i][j] = ARECA_RAID_GOOD; +static void arcmsr_message_isr_bh_fn(struct work_struct *work) +{ + struct AdapterControlBlock *acb = container_of(work,struct AdapterControlBlock, arcmsr_do_message_isr_bh); + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + + struct MessageUnit_A __iomem *reg = acb->pmuA; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem*) (®->message_rwbuffer[0]); + char __iomem *devicemap = (char __iomem*) (®->message_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { + diff = (*acb_dev_map)^readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp =*acb_dev_map; + for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if((temp & 0x01)==1 && (diff & 0x01) == 1) { + scsi_add_device(acb->host, 0, target, lun); + }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, 0, target, lun); + if (psdev != NULL ) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + diff >>= 1; + } + } + devicemap++; + acb_dev_map++; + } + } + break; + } - /* - ** here we need to tell iop 331 our ccb_tmp.HighPart - ** if ccb_tmp.HighPart is not zero - */ - ccb_phyaddr_hi32 = (uint32_t) ((dma_coherent_handle >> 16) >> 16); - if (ccb_phyaddr_hi32 != 0) { - writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->message_rwbuffer[0]); - writel(ccb_phyaddr_hi32, ®->message_rwbuffer[1]); - writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE "arcmsr%d: " - "'set ccb high part physical address' timeout\n", - acb->host->host_no); + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem*)(®->message_rwbuffer[0]); + char __iomem *devicemap = (char __iomem*)(®->message_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for(target = 0; target < ARCMSR_MAX_TARGETID -1; target++) { + diff = (*acb_dev_map)^readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp =*acb_dev_map; + for(lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if((temp & 0x01)==1 && (diff & 0x01) == 1) { + scsi_add_device(acb->host, 0, target, lun); + }else if((temp & 0x01) == 0 && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, 0, target, lun); + if (psdev != NULL ) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + diff >>= 1; + } + } + devicemap++; + acb_dev_map++; + } + } + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + char *acb_dev_map = (char *)acb->device_map; + uint32_t __iomem *signature = (uint32_t __iomem *)(®->msgcode_rwbuffer[0]); + char __iomem *devicemap = (char __iomem *)(®->msgcode_rwbuffer[21]); + int target, lun; + struct scsi_device *psdev; + char diff; + + atomic_inc(&acb->rq_map_token); + if (readl(signature) == ARCMSR_SIGNATURE_GET_CONFIG) { + for (target = 0; target < ARCMSR_MAX_TARGETID - 1; target++) { + diff = (*acb_dev_map)^readb(devicemap); + if (diff != 0) { + char temp; + *acb_dev_map = readb(devicemap); + temp = *acb_dev_map; + for (lun = 0; lun < ARCMSR_MAX_TARGETLUN; lun++) { + if ((temp & 0x01) == 1 && (diff & 0x01) == 1) { + scsi_add_device(acb->host, 0, target, lun); + } else if ((temp & 0x01) == 0 && (diff & 0x01) == 1) { + psdev = scsi_device_lookup(acb->host, 0, target, lun); + if (psdev != NULL) { + scsi_remove_device(psdev); + scsi_device_put(psdev); + } + } + temp >>= 1; + diff >>= 1; + } + } + devicemap++; + acb_dev_map++; + } + } + } } - - writel(readl(®->outbound_intmask) | - ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); - return 0; } -static int arcmsr_probe(struct pci_dev *pdev, - const struct pci_device_id *id) +static int arcmsr_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct Scsi_Host *host; struct AdapterControlBlock *acb; - uint8_t bus, dev_fun; + uint8_t bus,dev_fun; int error; - error = pci_enable_device(pdev); - if (error) - goto out; - pci_set_master(pdev); - - host = scsi_host_alloc(&arcmsr_scsi_host_template, - sizeof(struct AdapterControlBlock)); - if (!host) { - error = -ENOMEM; - goto out_disable_device; + if(error){ + return -ENODEV; } - acb = (struct AdapterControlBlock *)host->hostdata; - memset(acb, 0, sizeof (struct AdapterControlBlock)); - - error = pci_set_dma_mask(pdev, DMA_64BIT_MASK); - if (error) { - error = pci_set_dma_mask(pdev, DMA_32BIT_MASK); - if (error) { + host = scsi_host_alloc(&arcmsr_scsi_host_template, sizeof(struct AdapterControlBlock)); + if(!host){ + goto pci_disable_dev; + } + error = pci_set_dma_mask(pdev, DMA_BIT_MASK(64)); + if(error){ + error = pci_set_dma_mask(pdev, DMA_BIT_MASK(32)); + if(error){ printk(KERN_WARNING "scsi%d: No suitable DMA mask available\n", host->host_no); - goto out_host_put; + goto scsi_host_release; } } + init_waitqueue_head(&wait_q); bus = pdev->bus->number; dev_fun = pdev->devfn; - acb->host = host; + acb = (struct AdapterControlBlock *) host->hostdata; + memset(acb,0,sizeof(struct AdapterControlBlock)); acb->pdev = pdev; - host->max_sectors = ARCMSR_MAX_XFER_SECTORS; + acb->host = host; host->max_lun = ARCMSR_MAX_TARGETLUN; - host->max_id = ARCMSR_MAX_TARGETID;/*16:8*/ - host->max_cmd_len = 16; /*this is issue of 64bit LBA, over 2T byte*/ - host->sg_tablesize = ARCMSR_MAX_SG_ENTRIES; - host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ - host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; + host->max_id = ARCMSR_MAX_TARGETID; /*16:8*/ + host->max_cmd_len = 16; /*this is issue of 64bit LBA ,over 2T byte*/ + host->can_queue = ARCMSR_MAX_FREECCB_NUM; /* max simultaneous cmds */ + host->cmd_per_lun = ARCMSR_MAX_CMD_PERLUN; host->this_id = ARCMSR_SCSI_INITIATOR_ID; host->unique_id = (bus << 8) | dev_fun; - host->irq = pdev->irq; + pci_set_drvdata(pdev, host); + pci_set_master(pdev); error = pci_request_regions(pdev, "arcmsr"); - if (error) - goto out_host_put; - - acb->pmu = ioremap(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); - if (!acb->pmu) { - printk(KERN_NOTICE "arcmsr%d: memory" - " mapping region fail \n", acb->host->host_no); - goto out_release_regions; + if(error){ + goto scsi_host_release; } + spin_lock_init(&acb->eh_lock); + spin_lock_init(&acb->ccblist_lock); acb->acb_flags |= (ACB_F_MESSAGE_WQBUFFER_CLEARED | - ACB_F_MESSAGE_RQBUFFER_CLEARED | - ACB_F_MESSAGE_WQBUFFER_READED); + ACB_F_MESSAGE_RQBUFFER_CLEARED | + ACB_F_MESSAGE_WQBUFFER_READED); acb->acb_flags &= ~ACB_F_SCSISTOPADAPTER; INIT_LIST_HEAD(&acb->ccb_free_list); - + arcmsr_define_adapter_type(acb); + error = arcmsr_remap_pciregion(acb); + if(!error){ + goto pci_release_regs; + } + error = arcmsr_get_firmware_spec(acb); + if(!error){ + goto unmap_pci_region; + } error = arcmsr_alloc_ccb_pool(acb); - if (error) - goto out_iounmap; - - error = request_irq(pdev->irq, arcmsr_do_interrupt, - SA_INTERRUPT | SA_SHIRQ, "arcmsr", acb); - if (error) - goto out_free_ccb_pool; - + if(error){ + goto free_hbb_mu; + } arcmsr_iop_init(acb); - pci_set_drvdata(pdev, host); - error = scsi_add_host(host, &pdev->dev); - if (error) - goto out_free_irq; - - error = arcmsr_alloc_sysfs_attr(acb); - if (error) + if(error){ + goto RAID_controller_stop; + } + error = request_irq(pdev->irq, arcmsr_do_interrupt, IRQF_SHARED, "arcmsr", acb); + if(error){ + goto scsi_host_remove; + } + host->irq = pdev->irq; + scsi_scan_host(host); + INIT_WORK(&acb->arcmsr_do_message_isr_bh, arcmsr_message_isr_bh_fn); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + init_timer(&acb->eternal_timer); + acb->eternal_timer.expires = jiffies + msecs_to_jiffies(6 * HZ); + acb->eternal_timer.data = (unsigned long) acb; + acb->eternal_timer.function = &arcmsr_request_device_map; + add_timer(&acb->eternal_timer); + if(arcmsr_alloc_sysfs_attr(acb)) goto out_free_sysfs; - - scsi_scan_host(host); return 0; - out_free_sysfs: - out_free_irq: - free_irq(pdev->irq, acb); - out_free_ccb_pool: +out_free_sysfs: +scsi_host_remove: + scsi_remove_host(host); +RAID_controller_stop: + arcmsr_stop_adapter_bgrb(acb); + arcmsr_flush_adapter_cache(acb); arcmsr_free_ccb_pool(acb); - out_iounmap: - iounmap(acb->pmu); - out_release_regions: +free_hbb_mu: + arcmsr_free_hbb_mu(acb); +unmap_pci_region: + arcmsr_unmap_pciregion(acb); +pci_release_regs: pci_release_regions(pdev); - out_host_put: +scsi_host_release: scsi_host_put(host); - out_disable_device: +pci_disable_dev: pci_disable_device(pdev); - out: - return error; + return -ENODEV; } -static void arcmsr_abort_allcmd(struct AdapterControlBlock *acb) +static uint8_t arcmsr_abort_hba_allcmd(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - + struct MessageUnit_A __iomem *reg = acb->pmuA; writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) + if (!arcmsr_hba_wait_msgint_ready(acb)) { printk(KERN_NOTICE "arcmsr%d: wait 'abort all outstanding command' timeout \n" , acb->host->host_no); + return false; + } + return true; } -static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) +static uint8_t arcmsr_abort_hbb_allcmd(struct AdapterControlBlock *acb) { - struct AdapterControlBlock *acb = ccb->acb; - struct scsi_cmnd *pcmd = ccb->pcmd; + struct MessageUnit_B *reg = acb->pmuB; + + writel(ARCMSR_MESSAGE_ABORT_CMD, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'abort all outstanding command' timeout \n" + , acb->host->host_no); + return false; + } + return true; +} +static uint8_t arcmsr_abort_hbc_allcmd(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + writel(ARCMSR_INBOUND_MESG0_ABORT_CMD, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'abort all outstanding command' timeout \n" + , pACB->host->host_no); + return false; + } + return true; +} +static uint8_t arcmsr_abort_allcmd(struct AdapterControlBlock *acb) +{ + uint8_t rtnval = 0; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + rtnval = arcmsr_abort_hba_allcmd(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + rtnval = arcmsr_abort_hbb_allcmd(acb); + } + break; - if (pcmd->use_sg != 0) { - struct scatterlist *sl; + case ACB_ADAPTER_TYPE_C: { + rtnval = arcmsr_abort_hbc_allcmd(acb); + } + } + return rtnval; +} - sl = (struct scatterlist *)pcmd->request_buffer; - pci_unmap_sg(acb->pdev, sl, pcmd->use_sg, pcmd->sc_data_direction); +static bool arcmsr_hbb_enable_driver_mode(struct AdapterControlBlock *pacb) +{ + struct MessageUnit_B *reg = pacb->pmuB; + writel(ARCMSR_MESSAGE_START_DRIVER_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(pacb)) { + printk(KERN_ERR "arcmsr%d: can't set driver mode. \n", pacb->host->host_no); + return false; } - else if (pcmd->request_bufflen != 0) - pci_unmap_single(acb->pdev, - pcmd->SCp.dma_handle, - pcmd->request_bufflen, pcmd->sc_data_direction); + return true; } -static void arcmsr_ccb_complete(struct CommandControlBlock *ccb, int stand_flag) +static void arcmsr_pci_unmap_dma(struct CommandControlBlock *ccb) { - struct AdapterControlBlock *acb = ccb->acb; struct scsi_cmnd *pcmd = ccb->pcmd; + scsi_dma_unmap(pcmd); +} + +static void arcmsr_ccb_complete(struct CommandControlBlock *ccb) +{ + struct AdapterControlBlock *acb = ccb->acb; + struct scsi_cmnd *pcmd = ccb->pcmd; + unsigned long flags; + atomic_dec(&acb->ccboutstandingcount); arcmsr_pci_unmap_dma(ccb); - if (stand_flag == 1) - atomic_dec(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_DONE; - ccb->ccb_flags = 0; + spin_lock_irqsave(&acb->ccblist_lock, flags); list_add_tail(&ccb->list, &acb->ccb_free_list); + spin_unlock_irqrestore(&acb->ccblist_lock, flags); pcmd->scsi_done(pcmd); } +static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) +{ + + struct scsi_cmnd *pcmd = ccb->pcmd; + struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; + pcmd->result = DID_OK << 16; + if (sensebuffer) { + int sense_data_length = + sizeof(struct SENSE_DATA) < SCSI_SENSE_BUFFERSIZE + ? sizeof(struct SENSE_DATA) : SCSI_SENSE_BUFFERSIZE; + memset(sensebuffer, 0, SCSI_SENSE_BUFFERSIZE); + memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); + sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; + sensebuffer->Valid = 1; + } +} + +static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) +{ + u32 orig_mask = 0; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A : { + struct MessageUnit_A __iomem *reg = acb->pmuA; + orig_mask = readl(®->outbound_intmask); + writel(orig_mask|ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, \ + ®->outbound_intmask); + } + break; + case ACB_ADAPTER_TYPE_B : { + struct MessageUnit_B *reg = acb->pmuB; + orig_mask = readl(reg->iop2drv_doorbell_mask); + writel(0, reg->iop2drv_doorbell_mask); + } + break; + case ACB_ADAPTER_TYPE_C:{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + /* disable all outbound interrupt */ + orig_mask = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(orig_mask|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + } + break; + } + return orig_mask; +} + +static void arcmsr_report_ccb_state(struct AdapterControlBlock *acb, + struct CommandControlBlock *ccb, bool error) +{ + uint8_t id, lun; + id = ccb->pcmd->device->id; + lun = ccb->pcmd->device->lun; + if (!error) { + if (acb->devstate[id][lun] == ARECA_RAID_GONE) + acb->devstate[id][lun] = ARECA_RAID_GOOD; + ccb->pcmd->result = DID_OK << 16; + arcmsr_ccb_complete(ccb); + }else{ + switch (ccb->arcmsr_cdb.DeviceStatus) { + case ARCMSR_DEV_SELECT_TIMEOUT: { + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb); + } + break; + + case ARCMSR_DEV_ABORTED: + + case ARCMSR_DEV_INIT_FAIL: { + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_BAD_TARGET << 16; + arcmsr_ccb_complete(ccb); + } + break; + + case ARCMSR_DEV_CHECK_CONDITION: { + acb->devstate[id][lun] = ARECA_RAID_GOOD; + arcmsr_report_sense_info(ccb); + arcmsr_ccb_complete(ccb); + } + break; + + default: + printk(KERN_NOTICE + "arcmsr%d: scsi id = %d lun = %d isr get command error done, \ + but got unknown DeviceStatus = 0x%x \n" + , acb->host->host_no + , id + , lun + , ccb->arcmsr_cdb.DeviceStatus); + acb->devstate[id][lun] = ARECA_RAID_GONE; + ccb->pcmd->result = DID_NO_CONNECT << 16; + arcmsr_ccb_complete(ccb); + break; + } + } +} + +static void arcmsr_drain_donequeue(struct AdapterControlBlock *acb, struct CommandControlBlock *pCCB, bool error) +{ + int id, lun; + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->startdone == ARCMSR_CCB_ABORTED) { + struct scsi_cmnd *abortcmd = pCCB->pcmd; + if (abortcmd) { + id = abortcmd->device->id; + lun = abortcmd->device->lun; + abortcmd->result |= DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); + printk(KERN_NOTICE "arcmsr%d: pCCB ='0x%p' isr got aborted command \n", + acb->host->host_no, pCCB); + } + return; + } + printk(KERN_NOTICE "arcmsr%d: isr get an illegal ccb command \ + done acb = '0x%p'" + "ccb = '0x%p' ccbacb = '0x%p' startdone = 0x%x" + " ccboutstandingcount = %d \n" + , acb->host->host_no + , acb + , pCCB + , pCCB->acb + , pCCB->startdone + , atomic_read(&acb->ccboutstandingcount)); + return; + } + arcmsr_report_ccb_state(acb, pCCB, error); +} + +static void arcmsr_done4abort_postqueue(struct AdapterControlBlock *acb) +{ + int i = 0; + uint32_t flag_ccb; + struct ARCMSR_CDB *pARCMSR_CDB; + bool error; + struct CommandControlBlock *pCCB; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + uint32_t outbound_intstatus; + outbound_intstatus = readl(®->outbound_intstatus) & + acb->outbound_int_enable; + /*clear and abort all outbound posted Q*/ + writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ + while(((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) + && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + /*clear all outbound posted Q*/ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); /* clear doorbell interrupt */ + for (i = 0; i < ARCMSR_MAX_HBB_POSTQUEUE; i++) { + if ((flag_ccb = readl(®->done_qbuffer[i])) != 0) { + writel(0, ®->done_qbuffer[i]); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } + reg->post_qbuffer[i] = 0; + } + reg->doneq_index = 0; + reg->postq_index = 0; + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + struct ARCMSR_CDB *pARCMSR_CDB; + uint32_t flag_ccb, ccb_cdb_phy; + bool error; + struct CommandControlBlock *pCCB; + while ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) && (i++ < ARCMSR_MAX_OUTSTANDING_CMD)) { + /*need to do*/ + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } + } + } +} static void arcmsr_remove(struct pci_dev *pdev) { struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; - struct MessageUnit __iomem *reg = acb->pmu; int poll_count = 0; - arcmsr_free_sysfs_attr(acb); scsi_remove_host(host); + flush_work(&acb->arcmsr_do_message_isr_bh); + del_timer_sync(&acb->eternal_timer); + arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); - arcmsr_flush_adapter_cache(acb); - writel(readl(®->outbound_intmask) | - ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); + arcmsr_flush_adapter_cache(acb); acb->acb_flags |= ACB_F_SCSISTOPADAPTER; acb->acb_flags &= ~ACB_F_IOP_INITED; - for (poll_count = 0; poll_count < 256; poll_count++) { + for (poll_count = 0; poll_count < ARCMSR_MAX_OUTSTANDING_CMD; poll_count++){ if (!atomic_read(&acb->ccboutstandingcount)) break; - arcmsr_interrupt(acb); + arcmsr_interrupt(acb);/* FIXME: need spinlock */ msleep(25); } @@ -428,27 +1019,23 @@ static void arcmsr_remove(struct pci_dev *pdev) int i; arcmsr_abort_allcmd(acb); - for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) - readl(®->outbound_queueport); + arcmsr_done4abort_postqueue(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START) { ccb->startdone = ARCMSR_CCB_ABORTED; ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); + arcmsr_ccb_complete(ccb); } } } - free_irq(pdev->irq, acb); - iounmap(acb->pmu); arcmsr_free_ccb_pool(acb); + arcmsr_free_hbb_mu(acb); + arcmsr_unmap_pciregion(acb); pci_release_regions(pdev); - scsi_host_put(host); - pci_disable_device(pdev); - pci_set_drvdata(pdev, NULL); } static void arcmsr_shutdown(struct pci_dev *pdev) @@ -456,7 +1043,9 @@ static void arcmsr_shutdown(struct pci_dev *pdev) struct Scsi_Host *host = pci_get_drvdata(pdev); struct AdapterControlBlock *acb = (struct AdapterControlBlock *)host->hostdata; - + del_timer_sync(&acb->eternal_timer); + arcmsr_disable_outbound_ints(acb); + flush_work(&acb->arcmsr_do_message_isr_bh); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); } @@ -464,7 +1053,6 @@ static void arcmsr_shutdown(struct pci_dev *pdev) static int arcmsr_module_init(void) { int error = 0; - error = pci_register_driver(&arcmsr_pci_driver); return error; } @@ -476,358 +1064,619 @@ static void arcmsr_module_exit(void) module_init(arcmsr_module_init); module_exit(arcmsr_module_exit); -static u32 arcmsr_disable_outbound_ints(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - u32 orig_mask = readl(®->outbound_intmask); - - writel(orig_mask | ARCMSR_MU_OUTBOUND_ALL_INTMASKENABLE, - ®->outbound_intmask); - return orig_mask; -} - static void arcmsr_enable_outbound_ints(struct AdapterControlBlock *acb, - u32 orig_mask) + u32 intmask_org) { - struct MessageUnit __iomem *reg = acb->pmu; u32 mask; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + mask = intmask_org & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | + ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE| + ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE); + writel(mask, ®->outbound_intmask); + acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; + } + break; - mask = orig_mask & ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE | - ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); - writel(mask, ®->outbound_intmask); -} - -static void arcmsr_flush_adapter_cache(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg=acb->pmu; - - writel(ARCMSR_INBOUND_MESG0_FLUSH_CACHE, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE - "arcmsr%d: wait 'flush adapter cache' timeout \n" - , acb->host->host_no); -} - -static void arcmsr_report_sense_info(struct CommandControlBlock *ccb) -{ - struct scsi_cmnd *pcmd = ccb->pcmd; - struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)pcmd->sense_buffer; - - pcmd->result = DID_OK << 16; - if (sensebuffer) { - int sense_data_length = - sizeof (struct SENSE_DATA) < sizeof (pcmd->sense_buffer) - ? sizeof (struct SENSE_DATA) : sizeof (pcmd->sense_buffer); - memset(sensebuffer, 0, sizeof (pcmd->sense_buffer)); - memcpy(sensebuffer, ccb->arcmsr_cdb.SenseData, sense_data_length); - sensebuffer->ErrorCode = SCSI_SENSE_CURRENT_ERRORS; - sensebuffer->Valid = 1; + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + mask = intmask_org | (ARCMSR_IOP2DRV_DATA_WRITE_OK | + ARCMSR_IOP2DRV_DATA_READ_OK | + ARCMSR_IOP2DRV_CDB_DONE | + ARCMSR_IOP2DRV_MESSAGE_CMD_DONE); + writel(mask, reg->iop2drv_doorbell_mask); + acb->outbound_int_enable = (intmask_org | mask) & 0x0000000f; + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = acb->pmuC; + mask = ~(ARCMSR_HBCMU_UTILITY_A_ISR_MASK | ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR_MASK|ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR_MASK); + writel(intmask_org & mask, ®->host_int_mask); + acb->outbound_int_enable = ~(intmask_org & mask) & 0x0000000f; + } } } -static uint8_t arcmsr_wait_msgint_ready(struct AdapterControlBlock *acb) -{ - struct MessageUnit __iomem *reg = acb->pmu; - uint32_t Index; - uint8_t Retries = 0x00; - - do { - for (Index = 0; Index < 100; Index++) { - if (readl(®->outbound_intstatus) - & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { - writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT - , ®->outbound_intstatus); - return 0x00; - } - msleep_interruptible(10); - }/*max 1 seconds*/ - } while (Retries++ < 20);/*max 20 sec*/ - return 0xff; -} - -static void arcmsr_build_ccb(struct AdapterControlBlock *acb, +static int arcmsr_build_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb, struct scsi_cmnd *pcmd) { struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; int8_t *psge = (int8_t *)&arcmsr_cdb->u; - uint32_t address_lo, address_hi; + __le32 address_lo, address_hi; int arccdbsize = 0x30; - + __le32 length = 0; + int i; + struct scatterlist *sg; + int nseg; ccb->pcmd = pcmd; - memset(arcmsr_cdb, 0, sizeof (struct ARCMSR_CDB)); - arcmsr_cdb->Bus = 0; + memset(arcmsr_cdb, 0, sizeof(struct ARCMSR_CDB)); arcmsr_cdb->TargetID = pcmd->device->id; arcmsr_cdb->LUN = pcmd->device->lun; arcmsr_cdb->Function = 1; - arcmsr_cdb->CdbLength = (uint8_t)pcmd->cmd_len; - arcmsr_cdb->Context = (unsigned long)arcmsr_cdb; + arcmsr_cdb->Context = 0; memcpy(arcmsr_cdb->Cdb, pcmd->cmnd, pcmd->cmd_len); - if (pcmd->use_sg) { - int length, sgcount, i, cdb_sgcount = 0; - struct scatterlist *sl; - - /* Get Scatter Gather List from scsiport. */ - sl = (struct scatterlist *) pcmd->request_buffer; - sgcount = pci_map_sg(acb->pdev, sl, pcmd->use_sg, - pcmd->sc_data_direction); - /* map stor port SG list to our iop SG List. */ - for (i = 0; i < sgcount; i++) { - /* Get the physical address of the current data pointer */ - length = cpu_to_le32(sg_dma_len(sl)); - address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sl))); - address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sl))); - if (address_hi == 0) { - struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; - - pdma_sg->address = address_lo; - pdma_sg->length = length; - psge += sizeof (struct SG32ENTRY); - arccdbsize += sizeof (struct SG32ENTRY); - } else { - struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; - pdma_sg->addresshigh = address_hi; - pdma_sg->address = address_lo; - pdma_sg->length = length|IS_SG64_ADDR; - psge += sizeof (struct SG64ENTRY); - arccdbsize += sizeof (struct SG64ENTRY); - } - sl++; - cdb_sgcount++; - } - arcmsr_cdb->sgcount = (uint8_t)cdb_sgcount; - arcmsr_cdb->DataLength = pcmd->request_bufflen; - if ( arccdbsize > 256) - arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; - } else if (pcmd->request_bufflen) { - dma_addr_t dma_addr; - dma_addr = pci_map_single(acb->pdev, pcmd->request_buffer, - pcmd->request_bufflen, pcmd->sc_data_direction); - pcmd->SCp.dma_handle = dma_addr; - address_lo = cpu_to_le32(dma_addr_lo32(dma_addr)); - address_hi = cpu_to_le32(dma_addr_hi32(dma_addr)); + nseg = scsi_dma_map(pcmd); + if (unlikely(nseg > acb->host->sg_tablesize || nseg < 0)) + return FAILED; + scsi_for_each_sg(pcmd, sg, nseg, i) { + /* Get the physical address of the current data pointer */ + length = cpu_to_le32(sg_dma_len(sg)); + address_lo = cpu_to_le32(dma_addr_lo32(sg_dma_address(sg))); + address_hi = cpu_to_le32(dma_addr_hi32(sg_dma_address(sg))); if (address_hi == 0) { - struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; + struct SG32ENTRY *pdma_sg = (struct SG32ENTRY *)psge; + pdma_sg->address = address_lo; - pdma_sg->length = pcmd->request_bufflen; + pdma_sg->length = length; + psge += sizeof (struct SG32ENTRY); + arccdbsize += sizeof (struct SG32ENTRY); } else { struct SG64ENTRY *pdma_sg = (struct SG64ENTRY *)psge; + pdma_sg->addresshigh = address_hi; pdma_sg->address = address_lo; - pdma_sg->length = pcmd->request_bufflen|IS_SG64_ADDR; + pdma_sg->length = length|cpu_to_le32(IS_SG64_ADDR); + psge += sizeof (struct SG64ENTRY); + arccdbsize += sizeof (struct SG64ENTRY); } - arcmsr_cdb->sgcount = 1; - arcmsr_cdb->DataLength = pcmd->request_bufflen; } - if (pcmd->sc_data_direction == DMA_TO_DEVICE ) { + arcmsr_cdb->sgcount = (uint8_t)nseg; + arcmsr_cdb->DataLength = scsi_bufflen(pcmd); + arcmsr_cdb->msgPages = arccdbsize/0x100 + (arccdbsize % 0x100 ? 1 : 0); + if ( arccdbsize > 256) + arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_SGL_BSIZE; + if (pcmd->sc_data_direction == DMA_TO_DEVICE) arcmsr_cdb->Flags |= ARCMSR_CDB_FLAG_WRITE; - ccb->ccb_flags |= CCB_FLAG_WRITE; - } + ccb->arc_cdb_size = arccdbsize; + return SUCCESS; } static void arcmsr_post_ccb(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - struct MessageUnit __iomem *reg = acb->pmu; - uint32_t cdb_shifted_phyaddr = ccb->cdb_shifted_phyaddr; + uint32_t cdb_phyaddr_pattern = ccb->cdb_phyaddr_pattern; struct ARCMSR_CDB *arcmsr_cdb = (struct ARCMSR_CDB *)&ccb->arcmsr_cdb; - atomic_inc(&acb->ccboutstandingcount); ccb->startdone = ARCMSR_CCB_START; - if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) - writel(cdb_shifted_phyaddr | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + + if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE, ®->inbound_queueport); - else - writel(cdb_shifted_phyaddr, ®->inbound_queueport); + else { + writel(cdb_phyaddr_pattern, ®->inbound_queueport); + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + uint32_t ending_index, index = reg->postq_index; + + ending_index = ((index + 1) % ARCMSR_MAX_HBB_POSTQUEUE); + writel(0, ®->post_qbuffer[ending_index]); + if (arcmsr_cdb->Flags & ARCMSR_CDB_FLAG_SGL_BSIZE) { + writel(cdb_phyaddr_pattern | ARCMSR_CCBPOST_FLAG_SGL_BSIZE,\ + ®->post_qbuffer[index]); + } else { + writel(cdb_phyaddr_pattern, ®->post_qbuffer[index]); + } + index++; + index %= ARCMSR_MAX_HBB_POSTQUEUE;/*if last index number set it to 0 */ + reg->postq_index = index; + writel(ARCMSR_DRV2IOP_CDB_POSTED, reg->drv2iop_doorbell); + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + uint32_t ccb_post_stamp, arc_cdb_size; + + arc_cdb_size = (ccb->arc_cdb_size > 0x300) ? 0x300 : ccb->arc_cdb_size; + ccb_post_stamp = (cdb_phyaddr_pattern | ((arc_cdb_size - 1) >> 6) | 1); + if (acb->cdb_phyaddr_hi32) { + writel(acb->cdb_phyaddr_hi32, &phbcmu->inbound_queueport_high); + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } else { + writel(ccb_post_stamp, &phbcmu->inbound_queueport_low); + } + } + } } -void arcmsr_post_Qbuffer(struct AdapterControlBlock *acb) +static void arcmsr_stop_hba_bgrb(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - struct QBUFFER __iomem *pwbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; - uint8_t __iomem *iop_data = (uint8_t __iomem *) pwbuffer->data; - int32_t allxfer_len = 0; + struct MessageUnit_A __iomem *reg = acb->pmuA; + acb->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); + if (!arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , acb->host->host_no); + } +} + +static void arcmsr_stop_hbb_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + acb->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_MESSAGE_STOP_BGRB, reg->drv2iop_doorbell); + + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , acb->host->host_no); + } +} + +static void arcmsr_stop_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags &= ~ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE + "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" + , pACB->host->host_no); + } + return; +} +static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + arcmsr_stop_hba_bgrb(acb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + arcmsr_stop_hbb_bgrb(acb); + } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_stop_hbc_bgrb(acb); + } + } +} + +static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) +{ + dma_free_coherent(&acb->pdev->dev, acb->uncache_size, acb->dma_coherent, acb->dma_coherent_handle); +} + +void arcmsr_iop_message_read(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } + } +} + +static void arcmsr_iop_message_wrote(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, ®->inbound_doorbell); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_DRV2IOP_DATA_WRITE_OK, reg->drv2iop_doorbell); + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C __iomem *reg = acb->pmuC; + /* + ** push inbound doorbell tell iop, driver data write ok + ** and wait reply on next hwinterrupt for next Qbuffer post + */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_WRITE_OK, ®->inbound_doorbell); + } + break; + } +} + +struct QBUFFER __iomem *arcmsr_get_iop_rqbuffer(struct AdapterControlBlock *acb) +{ + struct QBUFFER __iomem *qbuffer = NULL; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + qbuffer = (struct QBUFFER __iomem *)®->message_rbuffer; + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + qbuffer = (struct QBUFFER __iomem *)reg->message_rbuffer; + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)acb->pmuC; + qbuffer = (struct QBUFFER __iomem *)&phbcmu->message_rbuffer; + } + } + return qbuffer; +} + +static struct QBUFFER __iomem *arcmsr_get_iop_wqbuffer(struct AdapterControlBlock *acb) +{ + struct QBUFFER __iomem *pqbuffer = NULL; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + pqbuffer = (struct QBUFFER __iomem *) ®->message_wbuffer; + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + pqbuffer = (struct QBUFFER __iomem *)reg->message_wbuffer; + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + pqbuffer = (struct QBUFFER __iomem *)®->message_wbuffer; + } + + } + return pqbuffer; +} + +static void arcmsr_iop2drv_data_wrote_handle(struct AdapterControlBlock *acb) +{ + struct QBUFFER __iomem *prbuffer; + struct QBUFFER *pQbuffer; + uint8_t __iomem *iop_data; + int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex; + rqbuf_lastindex = acb->rqbuf_lastindex; + rqbuf_firstindex = acb->rqbuf_firstindex; + prbuffer = arcmsr_get_iop_rqbuffer(acb); + iop_data = (uint8_t __iomem *)prbuffer->data; + iop_len = prbuffer->data_len; + my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) & (ARCMSR_MAX_QBUFFER - 1); + + if (my_empty_len >= iop_len) + { + while (iop_len > 0) { + pQbuffer = (struct QBUFFER *)&acb->rqbuffer[rqbuf_lastindex]; + memcpy(pQbuffer, iop_data, 1); + rqbuf_lastindex++; + rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + iop_len--; + } + acb->rqbuf_lastindex = rqbuf_lastindex; + arcmsr_iop_message_read(acb); + } + + else { + acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; + } +} + +static void arcmsr_iop2drv_data_read_handle(struct AdapterControlBlock *acb) +{ + acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; + if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) { + uint8_t *pQbuffer; + struct QBUFFER __iomem *pwbuffer; + uint8_t __iomem *iop_data; + int32_t allxfer_len = 0; - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); - while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) - && (allxfer_len < 124)) { - writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data); + pwbuffer = arcmsr_get_iop_wqbuffer(acb); + iop_data = (uint8_t __iomem *)pwbuffer->data; + + while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) && \ + (allxfer_len < 124)) { + pQbuffer = &acb->wqbuffer[acb->wqbuf_firstindex]; + memcpy(iop_data, pQbuffer, 1); acb->wqbuf_firstindex++; acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; iop_data++; allxfer_len++; } - writel(allxfer_len, &pwbuffer->data_len); - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK - , ®->inbound_doorbell); + pwbuffer->data_len = allxfer_len; + + arcmsr_iop_message_wrote(acb); + } + + if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) { + acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; } } -static void arcmsr_stop_adapter_bgrb(struct AdapterControlBlock *acb) +static void arcmsr_hba_doorbell_isr(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; + uint32_t outbound_doorbell; + struct MessageUnit_A __iomem *reg = acb->pmuA; + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(acb); + } - acb->acb_flags &= ~ACB_F_MSG_START_BGRB; - writel(ARCMSR_INBOUND_MESG0_STOP_BGRB, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE - "arcmsr%d: wait 'stop adapter background rebulid' timeout \n" - , acb->host->host_no); + if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(acb); + } } - -static void arcmsr_free_ccb_pool(struct AdapterControlBlock *acb) +static void arcmsr_hbc_doorbell_isr(struct AdapterControlBlock *pACB) { - dma_free_coherent(&acb->pdev->dev, - ARCMSR_MAX_FREECCB_NUM * sizeof (struct CommandControlBlock) + 0x20, - acb->dma_coherent, - acb->dma_coherent_handle); + uint32_t outbound_doorbell; + struct MessageUnit_C *reg = (struct MessageUnit_C *)pACB->pmuC; + /* + ******************************************************************* + ** Maybe here we need to check wrqbuffer_lock is lock or not + ** DOORBELL: din! don! + ** check if there are any mail need to pack from firmware + ******************************************************************* + */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear);/*clear interrupt*/ + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(pACB); + } + if (outbound_doorbell & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + arcmsr_hbc_message_isr(pACB); /* messenger of "driver to iop commands" */ + } + return; +} +static void arcmsr_hba_postqueue_isr(struct AdapterControlBlock *acb) +{ + uint32_t flag_ccb; + struct MessageUnit_A __iomem *reg = acb->pmuA; + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; + while ((flag_ccb = readl(®->outbound_queueport)) != 0xFFFFFFFF) { + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + } +} +static void arcmsr_hbb_postqueue_isr(struct AdapterControlBlock *acb) +{ + uint32_t index; + uint32_t flag_ccb; + struct MessageUnit_B *reg = acb->pmuB; + struct ARCMSR_CDB *pARCMSR_CDB; + struct CommandControlBlock *pCCB; + bool error; + index = reg->doneq_index; + while ((flag_ccb = readl(®->done_qbuffer[index])) != 0) { + writel(0, ®->done_qbuffer[index]); + pARCMSR_CDB = (struct ARCMSR_CDB *)(acb->vir2phy_offset+(flag_ccb << 5));/*frame must be 32 bytes aligned*/ + pCCB = container_of(pARCMSR_CDB, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_drain_donequeue(acb, pCCB, error); + index++; + index %= ARCMSR_MAX_HBB_POSTQUEUE; + reg->doneq_index = index; + } } -static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) +static void arcmsr_hbc_postqueue_isr(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_C *phbcmu; + struct ARCMSR_CDB *arcmsr_cdb; struct CommandControlBlock *ccb; - uint32_t flag_ccb, outbound_intstatus, outbound_doorbell; + uint32_t flag_ccb, ccb_cdb_phy, throttling = 0; + int error; - outbound_intstatus = readl(®->outbound_intstatus) - & acb->outbound_int_enable; + phbcmu = (struct MessageUnit_C *)acb->pmuC; + /* areca cdb command done */ + /* Use correct offset and size for syncing */ + + while (readl(&phbcmu->host_int_status) & + ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR){ + /* check if command done with no error*/ + flag_ccb = readl(&phbcmu->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0);/*frame must be 32 bytes aligned*/ + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + /* check if command done with no error */ + arcmsr_drain_donequeue(acb, ccb, error); + if (throttling == ARCMSR_HBC_ISR_THROTTLING_LEVEL) { + writel(ARCMSR_HBCMU_DRV2IOP_POSTQUEUE_THROTTLING, &phbcmu->inbound_doorbell); + break; + } + throttling++; + } +} +/* +********************************************************************************** +** Handle a message interrupt +** +** The only message interrupt we expect is in response to a query for the current adapter config. +** We want this in order to compare the drivemap so that we can detect newly-attached drives. +********************************************************************************** +*/ +static void arcmsr_hba_message_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A *reg = acb->pmuA; + /*clear interrupt and message state*/ + writel(ARCMSR_MU_OUTBOUND_MESSAGE0_INT, ®->outbound_intstatus); + schedule_work(&acb->arcmsr_do_message_isr_bh); +} +static void arcmsr_hbb_message_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + + /*clear interrupt and message state*/ + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + schedule_work(&acb->arcmsr_do_message_isr_bh); +} +/* +********************************************************************************** +** Handle a message interrupt +** +** The only message interrupt we expect is in response to a query for the +** current adapter config. +** We want this in order to compare the drivemap so that we can detect newly-attached drives. +********************************************************************************** +*/ +static void arcmsr_hbc_message_isr(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C *reg = acb->pmuC; + /*clear interrupt and message state*/ + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear); + schedule_work(&acb->arcmsr_do_message_isr_bh); +} + +static int arcmsr_handle_hba_isr(struct AdapterControlBlock *acb) +{ + uint32_t outbound_intstatus; + struct MessageUnit_A __iomem *reg = acb->pmuA; + outbound_intstatus = readl(®->outbound_intstatus) & + acb->outbound_int_enable; + if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) { + return 1; + } writel(outbound_intstatus, ®->outbound_intstatus); - if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); - if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_WRITE_OK) { - struct QBUFFER __iomem * prbuffer = - (struct QBUFFER __iomem *) ®->message_rbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data; - int32_t my_empty_len, iop_len, rqbuf_firstindex, rqbuf_lastindex; - - rqbuf_lastindex = acb->rqbuf_lastindex; - rqbuf_firstindex = acb->rqbuf_firstindex; - iop_len = readl(&prbuffer->data_len); - my_empty_len = (rqbuf_firstindex - rqbuf_lastindex - 1) - &(ARCMSR_MAX_QBUFFER - 1); - if (my_empty_len >= iop_len) { - while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); - acb->rqbuf_lastindex++; - acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - iop_len--; - } - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); - } else - acb->acb_flags |= ACB_F_IOPDATA_OVERFLOW; - } - if (outbound_doorbell & ARCMSR_OUTBOUND_IOP331_DATA_READ_OK) { - acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_READED; - if (acb->wqbuf_firstindex != acb->wqbuf_lastindex) { - struct QBUFFER __iomem * pwbuffer = - (struct QBUFFER __iomem *) ®->message_wbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *) pwbuffer->data; - int32_t allxfer_len = 0; - - acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); - while ((acb->wqbuf_firstindex != acb->wqbuf_lastindex) - && (allxfer_len < 124)) { - writeb(acb->wqbuffer[acb->wqbuf_firstindex], iop_data); - acb->wqbuf_firstindex++; - acb->wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - allxfer_len++; - } - writel(allxfer_len, &pwbuffer->data_len); - writel(ARCMSR_INBOUND_DRIVER_DATA_WRITE_OK, - ®->inbound_doorbell); - } - if (acb->wqbuf_firstindex == acb->wqbuf_lastindex) - acb->acb_flags |= ACB_F_MESSAGE_WQBUFFER_CLEARED; - } + if (outbound_intstatus & ARCMSR_MU_OUTBOUND_DOORBELL_INT) { + arcmsr_hba_doorbell_isr(acb); } if (outbound_intstatus & ARCMSR_MU_OUTBOUND_POSTQUEUE_INT) { - int id, lun; - /* - **************************************************************** - ** areca cdb command done - **************************************************************** - */ - while (1) { - if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) - break;/*chip FIFO no ccb for completion already*/ - /* check if command done with no error*/ - ccb = (struct CommandControlBlock *)(acb->vir2phy_offset + - (flag_ccb << 5)); - if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { - if (ccb->startdone == ARCMSR_CCB_ABORTED) { - struct scsi_cmnd *abortcmd=ccb->pcmd; - if (abortcmd) { - abortcmd->result |= DID_ABORT >> 16; - arcmsr_ccb_complete(ccb, 1); - printk(KERN_NOTICE - "arcmsr%d: ccb='0x%p' isr got aborted command \n" - , acb->host->host_no, ccb); - } - continue; - } - printk(KERN_NOTICE - "arcmsr%d: isr get an illegal ccb command done acb='0x%p'" - "ccb='0x%p' ccbacb='0x%p' startdone = 0x%x" - " ccboutstandingcount=%d \n" - , acb->host->host_no - , acb - , ccb - , ccb->acb - , ccb->startdone - , atomic_read(&acb->ccboutstandingcount)); - continue; - } - id = ccb->pcmd->device->id; - lun = ccb->pcmd->device->lun; - if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { - if (acb->devstate[id][lun] == ARECA_RAID_GONE) - acb->devstate[id][lun] = ARECA_RAID_GOOD; - ccb->pcmd->result = DID_OK << 16; - arcmsr_ccb_complete(ccb, 1); - } else { - switch(ccb->arcmsr_cdb.DeviceStatus) { - case ARCMSR_DEV_SELECT_TIMEOUT: { - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_TIME_OUT << 16; - arcmsr_ccb_complete(ccb, 1); - } - break; - case ARCMSR_DEV_ABORTED: - case ARCMSR_DEV_INIT_FAIL: { - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_BAD_TARGET << 16; - arcmsr_ccb_complete(ccb, 1); - } - break; - case ARCMSR_DEV_CHECK_CONDITION: { - acb->devstate[id][lun] = ARECA_RAID_GOOD; - arcmsr_report_sense_info(ccb); - arcmsr_ccb_complete(ccb, 1); - } - break; - default: - printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d" - " isr get command error done," - "but got unknown DeviceStatus = 0x%x \n" - , acb->host->host_no - , id - , lun - , ccb->arcmsr_cdb.DeviceStatus); - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_NO_CONNECT << 16; - arcmsr_ccb_complete(ccb, 1); - break; - } - } - }/*drain reply FIFO*/ + arcmsr_hba_postqueue_isr(acb); + } + if(outbound_intstatus & ARCMSR_MU_OUTBOUND_MESSAGE0_INT) { + /* messenger of "driver to iop commands" */ + arcmsr_hba_message_isr(acb); + } + return 0; +} + +static int arcmsr_handle_hbb_isr(struct AdapterControlBlock *acb) +{ + uint32_t outbound_doorbell; + struct MessageUnit_B *reg = acb->pmuB; + outbound_doorbell = readl(reg->iop2drv_doorbell) & + acb->outbound_int_enable; + if (!outbound_doorbell) + return 1; + + writel(~outbound_doorbell, reg->iop2drv_doorbell); + /*in case the last action of doorbell interrupt clearance is cached, + this action can push HW to write down the clear bit*/ + readl(reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_WRITE_OK) { + arcmsr_iop2drv_data_wrote_handle(acb); + } + if (outbound_doorbell & ARCMSR_IOP2DRV_DATA_READ_OK) { + arcmsr_iop2drv_data_read_handle(acb); + } + if (outbound_doorbell & ARCMSR_IOP2DRV_CDB_DONE) { + arcmsr_hbb_postqueue_isr(acb); + } + if(outbound_doorbell & ARCMSR_IOP2DRV_MESSAGE_CMD_DONE) { + /* messenger of "driver to iop commands" */ + arcmsr_hbb_message_isr(acb); + } + return 0; +} + +static int arcmsr_handle_hbc_isr(struct AdapterControlBlock *pACB) +{ + uint32_t host_interrupt_status; + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + /* + ********************************************* + ** check outbound intstatus + ********************************************* + */ + host_interrupt_status = readl(&phbcmu->host_int_status); + if (!host_interrupt_status) { + /*it must be share irq*/ + return 1; + } + /* MU ioctl transfer doorbell interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_DOORBELL_ISR) { + arcmsr_hbc_doorbell_isr(pACB); /* messenger of "ioctl message read write" */ + } + /* MU post queue interrupts*/ + if (host_interrupt_status & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) { + arcmsr_hbc_postqueue_isr(pACB); /* messenger of "scsi commands" */ + } + return 0; +} +static irqreturn_t arcmsr_interrupt(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + if (arcmsr_handle_hba_isr(acb)) { + return IRQ_NONE; + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + if (arcmsr_handle_hbb_isr(acb)) { + return IRQ_NONE; + } + } + break; + case ACB_ADAPTER_TYPE_C: { + if (arcmsr_handle_hbc_isr(acb)) { + return IRQ_NONE; + } + } } - if (!(outbound_intstatus & ARCMSR_MU_OUTBOUND_HANDLE_INT)) - return IRQ_NONE; return IRQ_HANDLED; } @@ -836,234 +1685,306 @@ static void arcmsr_iop_parking(struct AdapterControlBlock *acb) if (acb) { /* stop adapter background rebuild */ if (acb->acb_flags & ACB_F_MSG_START_BGRB) { + uint32_t intmask_org; acb->acb_flags &= ~ACB_F_MSG_START_BGRB; + intmask_org = arcmsr_disable_outbound_ints(acb); arcmsr_stop_adapter_bgrb(acb); arcmsr_flush_adapter_cache(acb); + arcmsr_enable_outbound_ints(acb, intmask_org); } } } -static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, struct scsi_cmnd *cmd) +void arcmsr_post_ioctldata2iop(struct AdapterControlBlock *acb) +{ + int32_t wqbuf_firstindex, wqbuf_lastindex; + uint8_t *pQbuffer; + struct QBUFFER __iomem *pwbuffer; + uint8_t __iomem *iop_data; + int32_t allxfer_len = 0; + pwbuffer = arcmsr_get_iop_wqbuffer(acb); + iop_data = (uint8_t __iomem *)pwbuffer->data; + if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_READED) { + acb->acb_flags &= (~ACB_F_MESSAGE_WQBUFFER_READED); + wqbuf_firstindex = acb->wqbuf_firstindex; + wqbuf_lastindex = acb->wqbuf_lastindex; + while ((wqbuf_firstindex != wqbuf_lastindex) && (allxfer_len < 124)) { + pQbuffer = &acb->wqbuffer[wqbuf_firstindex]; + memcpy(iop_data, pQbuffer, 1); + wqbuf_firstindex++; + wqbuf_firstindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + allxfer_len++; + } + acb->wqbuf_firstindex = wqbuf_firstindex; + pwbuffer->data_len = allxfer_len; + arcmsr_iop_message_wrote(acb); + } +} + +static int arcmsr_iop_message_xfer(struct AdapterControlBlock *acb, + struct scsi_cmnd *cmd) { - struct MessageUnit __iomem *reg = acb->pmu; struct CMD_MESSAGE_FIELD *pcmdmessagefld; int retvalue = 0, transfer_len = 0; char *buffer; + struct scatterlist *sg; uint32_t controlcode = (uint32_t ) cmd->cmnd[5] << 24 | (uint32_t ) cmd->cmnd[6] << 16 | (uint32_t ) cmd->cmnd[7] << 8 | (uint32_t ) cmd->cmnd[8]; - /* 4 bytes: Areca io control code */ - if (cmd->use_sg) { - struct scatterlist *sg = (struct scatterlist *)cmd->request_buffer; - - buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; - if (cmd->use_sg > 1) { - retvalue = ARCMSR_MESSAGE_FAIL; - goto message_out; - } - transfer_len += sg->length; - } else { - buffer = cmd->request_buffer; - transfer_len = cmd->request_bufflen; + /* 4 bytes: Areca io control code */ + sg = scsi_sglist(cmd); + buffer = kmap_atomic(sg_page(sg)) + sg->offset; + if (scsi_sg_count(cmd) > 1) { + retvalue = ARCMSR_MESSAGE_FAIL; + goto message_out; } + transfer_len += sg->length; + if (transfer_len > sizeof(struct CMD_MESSAGE_FIELD)) { retvalue = ARCMSR_MESSAGE_FAIL; goto message_out; } pcmdmessagefld = (struct CMD_MESSAGE_FIELD *) buffer; switch(controlcode) { + case ARCMSR_MESSAGE_READ_RQBUFFER: { - unsigned long *ver_addr; - dma_addr_t buf_handle; - uint8_t *pQbuffer, *ptmpQbuffer; - int32_t allxfer_len = 0; + unsigned char *ver_addr; + uint8_t *pQbuffer, *ptmpQbuffer; + int32_t allxfer_len = 0; - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { - retvalue = ARCMSR_MESSAGE_FAIL; - goto message_out; - } - ptmpQbuffer = (uint8_t *) ver_addr; - while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) - && (allxfer_len < 1031)) { - pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; - memcpy(ptmpQbuffer, pQbuffer, 1); - acb->rqbuf_firstindex++; - acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; - ptmpQbuffer++; - allxfer_len++; - } - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - struct QBUFFER __iomem * prbuffer = (struct QBUFFER __iomem *) - ®->message_rbuffer; - uint8_t __iomem * iop_data = (uint8_t __iomem *)prbuffer->data; - int32_t iop_len; - - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - iop_len = readl(&prbuffer->data_len); - while (iop_len > 0) { - acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); - acb->rqbuf_lastindex++; - acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - iop_data++; - iop_len--; - } - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); + ver_addr = kmalloc(1032, GFP_ATOMIC); + if (!ver_addr) { + retvalue = ARCMSR_MESSAGE_FAIL; + goto message_out; + } + + ptmpQbuffer = ver_addr; + while ((acb->rqbuf_firstindex != acb->rqbuf_lastindex) + && (allxfer_len < 1031)) { + pQbuffer = &acb->rqbuffer[acb->rqbuf_firstindex]; + memcpy(ptmpQbuffer, pQbuffer, 1); + acb->rqbuf_firstindex++; + acb->rqbuf_firstindex %= ARCMSR_MAX_QBUFFER; + ptmpQbuffer++; + allxfer_len++; + } + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + + struct QBUFFER __iomem *prbuffer; + uint8_t __iomem *iop_data; + int32_t iop_len; + + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + prbuffer = arcmsr_get_iop_rqbuffer(acb); + iop_data = prbuffer->data; + iop_len = readl(&prbuffer->data_len); + while (iop_len > 0) { + acb->rqbuffer[acb->rqbuf_lastindex] = readb(iop_data); + acb->rqbuf_lastindex++; + acb->rqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + iop_data++; + iop_len--; } - memcpy(pcmdmessagefld->messagedatabuffer, - (uint8_t *)ver_addr, allxfer_len); - pcmdmessagefld->cmdmessage.Length = allxfer_len; + arcmsr_iop_message_read(acb); + } + memcpy(pcmdmessagefld->messagedatabuffer, ver_addr, allxfer_len); + pcmdmessagefld->cmdmessage.Length = allxfer_len; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); + } + kfree(ver_addr); } break; + case ARCMSR_MESSAGE_WRITE_WQBUFFER: { - unsigned long *ver_addr; - dma_addr_t buf_handle; - int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; - uint8_t *pQbuffer, *ptmpuserbuffer; + unsigned char *ver_addr; + int32_t my_empty_len, user_len, wqbuf_firstindex, wqbuf_lastindex; + uint8_t *pQbuffer, *ptmpuserbuffer; - ver_addr = pci_alloc_consistent(acb->pdev, 1032, &buf_handle); - if (!ver_addr) { - retvalue = ARCMSR_MESSAGE_FAIL; - goto message_out; - } - ptmpuserbuffer = (uint8_t *)ver_addr; - user_len = pcmdmessagefld->cmdmessage.Length; - memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); - wqbuf_lastindex = acb->wqbuf_lastindex; - wqbuf_firstindex = acb->wqbuf_firstindex; - if (wqbuf_lastindex != wqbuf_firstindex) { + ver_addr = kmalloc(1032, GFP_ATOMIC); + if (!ver_addr) { + retvalue = ARCMSR_MESSAGE_FAIL; + goto message_out; + } + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } + ptmpuserbuffer = ver_addr; + user_len = pcmdmessagefld->cmdmessage.Length; + memcpy(ptmpuserbuffer, pcmdmessagefld->messagedatabuffer, user_len); + wqbuf_lastindex = acb->wqbuf_lastindex; + wqbuf_firstindex = acb->wqbuf_firstindex; + if (wqbuf_lastindex != wqbuf_firstindex) { + struct SENSE_DATA *sensebuffer = + (struct SENSE_DATA *)cmd->sense_buffer; + arcmsr_post_ioctldata2iop(acb); + /* has error report sensedata */ + sensebuffer->ErrorCode = 0x70; + sensebuffer->SenseKey = ILLEGAL_REQUEST; + sensebuffer->AdditionalSenseLength = 0x0A; + sensebuffer->AdditionalSenseCode = 0x20; + sensebuffer->Valid = 1; + retvalue = ARCMSR_MESSAGE_FAIL; + } else { + my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1) + &(ARCMSR_MAX_QBUFFER - 1); + if (my_empty_len >= user_len) { + while (user_len > 0) { + pQbuffer = + &acb->wqbuffer[acb->wqbuf_lastindex]; + memcpy(pQbuffer, ptmpuserbuffer, 1); + acb->wqbuf_lastindex++; + acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; + ptmpuserbuffer++; + user_len--; + } + if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { + acb->acb_flags &= + ~ACB_F_MESSAGE_WQBUFFER_CLEARED; + arcmsr_post_ioctldata2iop(acb); + } + } else { + /* has error report sensedata */ struct SENSE_DATA *sensebuffer = (struct SENSE_DATA *)cmd->sense_buffer; - arcmsr_post_Qbuffer(acb); - /* has error report sensedata */ sensebuffer->ErrorCode = 0x70; sensebuffer->SenseKey = ILLEGAL_REQUEST; sensebuffer->AdditionalSenseLength = 0x0A; sensebuffer->AdditionalSenseCode = 0x20; sensebuffer->Valid = 1; retvalue = ARCMSR_MESSAGE_FAIL; - } else { - my_empty_len = (wqbuf_firstindex-wqbuf_lastindex - 1) - &(ARCMSR_MAX_QBUFFER - 1); - if (my_empty_len >= user_len) { - while (user_len > 0) { - pQbuffer = - &acb->wqbuffer[acb->wqbuf_lastindex]; - memcpy(pQbuffer, ptmpuserbuffer, 1); - acb->wqbuf_lastindex++; - acb->wqbuf_lastindex %= ARCMSR_MAX_QBUFFER; - ptmpuserbuffer++; - user_len--; - } - if (acb->acb_flags & ACB_F_MESSAGE_WQBUFFER_CLEARED) { - acb->acb_flags &= - ~ACB_F_MESSAGE_WQBUFFER_CLEARED; - arcmsr_post_Qbuffer(acb); - } - } else { - /* has error report sensedata */ - struct SENSE_DATA *sensebuffer = - (struct SENSE_DATA *)cmd->sense_buffer; - sensebuffer->ErrorCode = 0x70; - sensebuffer->SenseKey = ILLEGAL_REQUEST; - sensebuffer->AdditionalSenseLength = 0x0A; - sensebuffer->AdditionalSenseCode = 0x20; - sensebuffer->Valid = 1; - retvalue = ARCMSR_MESSAGE_FAIL; - } } - pci_free_consistent(acb->pdev, 1032, ver_addr, buf_handle); + } + kfree(ver_addr); } break; - case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { - uint8_t *pQbuffer = acb->rqbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, - ®->inbound_doorbell); - } - acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; - acb->rqbuf_firstindex = 0; - acb->rqbuf_lastindex = 0; - memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); + case ARCMSR_MESSAGE_CLEAR_RQBUFFER: { + uint8_t *pQbuffer = acb->rqbuffer; + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= ACB_F_MESSAGE_RQBUFFER_CLEARED; + acb->rqbuf_firstindex = 0; + acb->rqbuf_lastindex = 0; + memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_OK; + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } } break; - case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { - uint8_t *pQbuffer = acb->wqbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK - , ®->inbound_doorbell); - } - acb->acb_flags |= - (ACB_F_MESSAGE_WQBUFFER_CLEARED | - ACB_F_MESSAGE_WQBUFFER_READED); - acb->wqbuf_firstindex = 0; - acb->wqbuf_lastindex = 0; - memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); + case ARCMSR_MESSAGE_CLEAR_WQBUFFER: { + uint8_t *pQbuffer = acb->wqbuffer; + if(acb->fw_flag == FW_DEADLOCK) { pcmdmessagefld->cmdmessage.ReturnCode = - ARCMSR_MESSAGE_RETURNCODE_OK; + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } + + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= + (ACB_F_MESSAGE_WQBUFFER_CLEARED | + ACB_F_MESSAGE_WQBUFFER_READED); + acb->wqbuf_firstindex = 0; + acb->wqbuf_lastindex = 0; + memset(pQbuffer, 0, ARCMSR_MAX_QBUFFER); } break; + case ARCMSR_MESSAGE_CLEAR_ALLQBUFFER: { - uint8_t *pQbuffer; + uint8_t *pQbuffer; - if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { - acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK - , ®->inbound_doorbell); - } - acb->acb_flags |= - (ACB_F_MESSAGE_WQBUFFER_CLEARED - | ACB_F_MESSAGE_RQBUFFER_CLEARED - | ACB_F_MESSAGE_WQBUFFER_READED); - acb->rqbuf_firstindex = 0; - acb->rqbuf_lastindex = 0; - acb->wqbuf_firstindex = 0; - acb->wqbuf_lastindex = 0; - pQbuffer = acb->rqbuffer; - memset(pQbuffer, 0, sizeof (struct QBUFFER)); - pQbuffer = acb->wqbuffer; - memset(pQbuffer, 0, sizeof (struct QBUFFER)); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + if (acb->acb_flags & ACB_F_IOPDATA_OVERFLOW) { + acb->acb_flags &= ~ACB_F_IOPDATA_OVERFLOW; + arcmsr_iop_message_read(acb); + } + acb->acb_flags |= + (ACB_F_MESSAGE_WQBUFFER_CLEARED + | ACB_F_MESSAGE_RQBUFFER_CLEARED + | ACB_F_MESSAGE_WQBUFFER_READED); + acb->rqbuf_firstindex = 0; + acb->rqbuf_lastindex = 0; + acb->wqbuf_firstindex = 0; + acb->wqbuf_lastindex = 0; + pQbuffer = acb->rqbuffer; + memset(pQbuffer, 0, sizeof(struct QBUFFER)); + pQbuffer = acb->wqbuffer; + memset(pQbuffer, 0, sizeof(struct QBUFFER)); + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } } break; + case ARCMSR_MESSAGE_RETURN_CODE_3F: { - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_3F; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_3F; } break; + } case ARCMSR_MESSAGE_SAY_HELLO: { - int8_t * hello_string = "Hello! I am ARCMSR"; - - memcpy(pcmdmessagefld->messagedatabuffer, hello_string - , (int16_t)strlen(hello_string)); - pcmdmessagefld->cmdmessage.ReturnCode = ARCMSR_MESSAGE_RETURNCODE_OK; + int8_t *hello_string = "Hello! I am ARCMSR"; + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + }else{ + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_OK; + } + memcpy(pcmdmessagefld->messagedatabuffer, hello_string + , (int16_t)strlen(hello_string)); } break; + case ARCMSR_MESSAGE_SAY_GOODBYE: + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + } arcmsr_iop_parking(acb); break; + case ARCMSR_MESSAGE_FLUSH_ADAPTER_CACHE: + if(acb->fw_flag == FW_DEADLOCK) { + pcmdmessagefld->cmdmessage.ReturnCode = + ARCMSR_MESSAGE_RETURNCODE_BUS_HANG_ON; + } arcmsr_flush_adapter_cache(acb); break; + default: retvalue = ARCMSR_MESSAGE_FAIL; } - message_out: - if (cmd->use_sg) { - struct scatterlist *sg; - - sg = (struct scatterlist *) cmd->request_buffer; - kunmap_atomic(buffer - sg->offset, KM_IRQ0); - } + message_out: + sg = scsi_sglist(cmd); + kunmap_atomic(buffer - sg->offset); return retvalue; } @@ -1071,11 +1992,16 @@ static struct CommandControlBlock *arcmsr_get_freeccb(struct AdapterControlBlock { struct list_head *head = &acb->ccb_free_list; struct CommandControlBlock *ccb = NULL; - + unsigned long flags; + spin_lock_irqsave(&acb->ccblist_lock, flags); if (!list_empty(head)) { ccb = list_entry(head->next, struct CommandControlBlock, list); - list_del(head->next); + list_del_init(&ccb->list); + }else{ + spin_unlock_irqrestore(&acb->ccblist_lock, flags); + return 0; } + spin_unlock_irqrestore(&acb->ccblist_lock, flags); return ccb; } @@ -1086,6 +2012,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, case INQUIRY: { unsigned char inqdata[36]; char *buffer; + struct scatterlist *sg; if (cmd->device->lun) { cmd->result = (DID_TIME_OUT << 16); @@ -1097,7 +2024,7 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, inqdata[1] = 0; /* rem media bit & Dev Type Modifier */ inqdata[2] = 0; - /* ISO,ECMA,& ANSI versions */ + /* ISO, ECMA, & ANSI versions */ inqdata[4] = 31; /* length of additional data */ strncpy(&inqdata[8], "Areca ", 8); @@ -1105,21 +2032,14 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, strncpy(&inqdata[16], "RAID controller ", 16); /* Product Identification */ strncpy(&inqdata[32], "R001", 4); /* Product Revision */ - if (cmd->use_sg) { - struct scatterlist *sg; - sg = (struct scatterlist *) cmd->request_buffer; - buffer = kmap_atomic(sg->page, KM_IRQ0) + sg->offset; - } else { - buffer = cmd->request_buffer; - } + sg = scsi_sglist(cmd); + buffer = kmap_atomic(sg_page(sg)) + sg->offset; + memcpy(buffer, inqdata, sizeof(inqdata)); - if (cmd->use_sg) { - struct scatterlist *sg; + sg = scsi_sglist(cmd); + kunmap_atomic(buffer - sg->offset); - sg = (struct scatterlist *) cmd->request_buffer; - kunmap_atomic(buffer - sg->offset, KM_IRQ0); - } cmd->scsi_done(cmd); } break; @@ -1135,291 +2055,999 @@ static void arcmsr_handle_virtual_command(struct AdapterControlBlock *acb, } } -static int arcmsr_queue_command(struct scsi_cmnd *cmd, +static int arcmsr_queue_command_lck(struct scsi_cmnd *cmd, void (* done)(struct scsi_cmnd *)) { struct Scsi_Host *host = cmd->device->host; - struct AdapterControlBlock *acb = - (struct AdapterControlBlock *) host->hostdata; + struct AdapterControlBlock *acb = (struct AdapterControlBlock *) host->hostdata; struct CommandControlBlock *ccb; int target = cmd->device->id; int lun = cmd->device->lun; - + uint8_t scsicmd = cmd->cmnd[0]; cmd->scsi_done = done; cmd->host_scribble = NULL; cmd->result = 0; - if (acb->acb_flags & ACB_F_BUS_RESET) { - printk(KERN_NOTICE "arcmsr%d: bus reset" - " and return busy \n" - , acb->host->host_no); - return SCSI_MLQUEUE_HOST_BUSY; + if ((scsicmd == SYNCHRONIZE_CACHE) ||(scsicmd == SEND_DIAGNOSTIC)){ + if(acb->devstate[target][lun] == ARECA_RAID_GONE) { + cmd->result = (DID_NO_CONNECT << 16); + } + cmd->scsi_done(cmd); + return 0; } - if(target == 16) { + if (target == 16) { /* virtual device for iop message transfer */ arcmsr_handle_virtual_command(acb, cmd); return 0; } - if (acb->devstate[target][lun] == ARECA_RAID_GONE) { - uint8_t block_cmd; - - block_cmd = cmd->cmnd[0] & 0x0f; - if (block_cmd == 0x08 || block_cmd == 0x0a) { - printk(KERN_NOTICE - "arcmsr%d: block 'read/write'" - "command with gone raid volume" - " Cmd=%2x, TargetId=%d, Lun=%d \n" - , acb->host->host_no - , cmd->cmnd[0] - , target, lun); - cmd->result = (DID_NO_CONNECT << 16); - cmd->scsi_done(cmd); - return 0; - } - } if (atomic_read(&acb->ccboutstandingcount) >= ARCMSR_MAX_OUTSTANDING_CMD) return SCSI_MLQUEUE_HOST_BUSY; - ccb = arcmsr_get_freeccb(acb); if (!ccb) return SCSI_MLQUEUE_HOST_BUSY; - arcmsr_build_ccb(acb, ccb, cmd); + if (arcmsr_build_ccb( acb, ccb, cmd ) == FAILED) { + cmd->result = (DID_ERROR << 16) | (RESERVATION_CONFLICT << 1); + cmd->scsi_done(cmd); + return 0; + } arcmsr_post_ccb(acb, ccb); return 0; } -static void arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) +static DEF_SCSI_QCMD(arcmsr_queue_command) + +static bool arcmsr_get_hba_config(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_A __iomem *reg = acb->pmuA; char *acb_firm_model = acb->firm_model; char *acb_firm_version = acb->firm_version; - char __iomem *iop_firm_model = (char __iomem *) ®->message_rwbuffer[15]; - char __iomem *iop_firm_version = (char __iomem *) ®->message_rwbuffer[17]; + char *acb_device_map = acb->device_map; + char __iomem *iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); + char __iomem *iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); + char __iomem *iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); int count; - writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) - printk(KERN_NOTICE - "arcmsr%d: wait " - "'get adapter firmware miscellaneous data' timeout \n" - , acb->host->host_no); + if (!arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", acb->host->host_no); + return false; + } count = 8; - while (count) { + while (count){ *acb_firm_model = readb(iop_firm_model); acb_firm_model++; iop_firm_model++; count--; } + count = 16; - while (count) { + while (count){ *acb_firm_version = readb(iop_firm_version); acb_firm_version++; iop_firm_version++; count--; } - printk(KERN_INFO - "ARECA RAID ADAPTER%d: FIRMWARE VERSION %s \n" - , acb->host->host_no - , acb->firm_version); + + count=16; + while(count){ + *acb_device_map = readb(iop_device_map); + acb_device_map++; + iop_device_map++; + count--; + } + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + acb->host->host_no, + acb->firm_version, + acb->firm_model); + acb->signature = readl(®->message_rwbuffer[0]); acb->firm_request_len = readl(®->message_rwbuffer[1]); acb->firm_numbers_queue = readl(®->message_rwbuffer[2]); acb->firm_sdram_size = readl(®->message_rwbuffer[3]); acb->firm_hd_channels = readl(®->message_rwbuffer[4]); + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + return true; } +static bool arcmsr_get_hbb_config(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + struct pci_dev *pdev = acb->pdev; + void *dma_coherent; + dma_addr_t dma_coherent_handle; + char *acb_firm_model = acb->firm_model; + char *acb_firm_version = acb->firm_version; + char *acb_device_map = acb->device_map; + char __iomem *iop_firm_model; + /*firm_model,15,60-67*/ + char __iomem *iop_firm_version; + /*firm_version,17,68-83*/ + char __iomem *iop_device_map; + /*firm_version,21,84-99*/ + int count; + dma_coherent = dma_alloc_coherent(&pdev->dev, sizeof(struct MessageUnit_B), &dma_coherent_handle, GFP_KERNEL); + if (!dma_coherent){ + printk(KERN_NOTICE "arcmsr%d: dma_alloc_coherent got error for hbb mu\n", acb->host->host_no); + return false; + } + acb->dma_coherent_handle_hbb_mu = dma_coherent_handle; + reg = (struct MessageUnit_B *)dma_coherent; + acb->pmuB = reg; + reg->drv2iop_doorbell= (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL); + reg->drv2iop_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_DRV2IOP_DOORBELL_MASK); + reg->iop2drv_doorbell = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL); + reg->iop2drv_doorbell_mask = (uint32_t __iomem *)((unsigned long)acb->mem_base0 + ARCMSR_IOP2DRV_DOORBELL_MASK); + reg->message_wbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_WBUFFER); + reg->message_rbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RBUFFER); + reg->message_rwbuffer = (uint32_t __iomem *)((unsigned long)acb->mem_base1 + ARCMSR_MESSAGE_RWBUFFER); + iop_firm_model = (char __iomem *)(®->message_rwbuffer[15]); /*firm_model,15,60-67*/ + iop_firm_version = (char __iomem *)(®->message_rwbuffer[17]); /*firm_version,17,68-83*/ + iop_device_map = (char __iomem *)(®->message_rwbuffer[21]); /*firm_version,21,84-99*/ + + writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", acb->host->host_no); + return false; + } + count = 8; + while (count){ + *acb_firm_model = readb(iop_firm_model); + acb_firm_model++; + iop_firm_model++; + count--; + } + count = 16; + while (count){ + *acb_firm_version = readb(iop_firm_version); + acb_firm_version++; + iop_firm_version++; + count--; + } -static void arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, + count = 16; + while(count){ + *acb_device_map = readb(iop_device_map); + acb_device_map++; + iop_device_map++; + count--; + } + + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + acb->host->host_no, + acb->firm_version, + acb->firm_model); + + acb->signature = readl(®->message_rwbuffer[1]); + /*firm_signature,1,00-03*/ + acb->firm_request_len = readl(®->message_rwbuffer[2]); + /*firm_request_len,1,04-07*/ + acb->firm_numbers_queue = readl(®->message_rwbuffer[3]); + /*firm_numbers_queue,2,08-11*/ + acb->firm_sdram_size = readl(®->message_rwbuffer[4]); + /*firm_sdram_size,3,12-15*/ + acb->firm_hd_channels = readl(®->message_rwbuffer[5]); + /*firm_ide_channels,4,16-19*/ + acb->firm_cfg_version = readl(®->message_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + /*firm_ide_channels,4,16-19*/ + return true; +} + +static bool arcmsr_get_hbc_config(struct AdapterControlBlock *pACB) +{ + uint32_t intmask_org, Index, firmware_state = 0; + struct MessageUnit_C *reg = pACB->pmuC; + char *acb_firm_model = pACB->firm_model; + char *acb_firm_version = pACB->firm_version; + char *iop_firm_model = (char *)(®->msgcode_rwbuffer[15]); /*firm_model,15,60-67*/ + char *iop_firm_version = (char *)(®->msgcode_rwbuffer[17]); /*firm_version,17,68-83*/ + int count; + /* disable all outbound interrupt */ + intmask_org = readl(®->host_int_mask); /* disable outbound message0 int */ + writel(intmask_org|ARCMSR_HBCMU_ALL_INTMASKENABLE, ®->host_int_mask); + /* wait firmware ready */ + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + /* post "get config" instruction */ + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + /* wait message ready */ + for (Index = 0; Index < 2000; Index++) { + if (readl(®->outbound_doorbell) & ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE) { + writel(ARCMSR_HBCMU_IOP2DRV_MESSAGE_CMD_DONE_DOORBELL_CLEAR, ®->outbound_doorbell_clear);/*clear interrupt*/ + break; + } + udelay(10); + } /*max 1 seconds*/ + if (Index >= 2000) { + printk(KERN_NOTICE "arcmsr%d: wait 'get adapter firmware \ + miscellaneous data' timeout \n", pACB->host->host_no); + return false; + } + count = 8; + while (count) { + *acb_firm_model = readb(iop_firm_model); + acb_firm_model++; + iop_firm_model++; + count--; + } + count = 16; + while (count) { + *acb_firm_version = readb(iop_firm_version); + acb_firm_version++; + iop_firm_version++; + count--; + } + printk(KERN_NOTICE "Areca RAID Controller%d: F/W %s & Model %s\n", + pACB->host->host_no, + pACB->firm_version, + pACB->firm_model); + pACB->firm_request_len = readl(®->msgcode_rwbuffer[1]); /*firm_request_len,1,04-07*/ + pACB->firm_numbers_queue = readl(®->msgcode_rwbuffer[2]); /*firm_numbers_queue,2,08-11*/ + pACB->firm_sdram_size = readl(®->msgcode_rwbuffer[3]); /*firm_sdram_size,3,12-15*/ + pACB->firm_hd_channels = readl(®->msgcode_rwbuffer[4]); /*firm_ide_channels,4,16-19*/ + pACB->firm_cfg_version = readl(®->msgcode_rwbuffer[25]); /*firm_cfg_version,25,100-103*/ + /*all interrupt service will be enable at arcmsr_iop_init*/ + return true; +} +static bool arcmsr_get_firmware_spec(struct AdapterControlBlock *acb) +{ + if (acb->adapter_type == ACB_ADAPTER_TYPE_A) + return arcmsr_get_hba_config(acb); + else if (acb->adapter_type == ACB_ADAPTER_TYPE_B) + return arcmsr_get_hbb_config(acb); + else + return arcmsr_get_hbc_config(acb); +} + +static int arcmsr_polling_hba_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) { - struct MessageUnit __iomem *reg = acb->pmu; + struct MessageUnit_A __iomem *reg = acb->pmuA; struct CommandControlBlock *ccb; + struct ARCMSR_CDB *arcmsr_cdb; uint32_t flag_ccb, outbound_intstatus, poll_ccb_done = 0, poll_count = 0; - int id, lun; - - polling_ccb_retry: + int rtn; + bool error; + polling_hba_ccb_retry: poll_count++; - outbound_intstatus = readl(®->outbound_intstatus) - & acb->outbound_int_enable; + outbound_intstatus = readl(®->outbound_intstatus) & acb->outbound_int_enable; writel(outbound_intstatus, ®->outbound_intstatus);/*clear interrupt*/ while (1) { if ((flag_ccb = readl(®->outbound_queueport)) == 0xFFFFFFFF) { - if (poll_ccb_done) + if (poll_ccb_done){ + rtn = SUCCESS; break; - else { + }else { msleep(25); - if (poll_count > 100) + if (poll_count > 100){ + rtn = FAILED; break; - goto polling_ccb_retry; + } + goto polling_hba_ccb_retry; } } - ccb = (struct CommandControlBlock *) - (acb->vir2phy_offset + (flag_ccb << 5)); - if ((ccb->acb != acb) || - (ccb->startdone != ARCMSR_CCB_START)) { - if ((ccb->startdone == ARCMSR_CCB_ABORTED) || - (ccb == poll_ccb)) { - printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d ccb='0x%p'" + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + poll_ccb_done = (ccb == poll_ccb) ? 1:0; + if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { + printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" " poll command abort successfully \n" , acb->host->host_no , ccb->pcmd->device->id , ccb->pcmd->device->lun , ccb); ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); - poll_ccb_done = 1; + arcmsr_ccb_complete(ccb); continue; } - printk(KERN_NOTICE - "arcmsr%d: polling get an illegal ccb" - " command done ccb='0x%p'" - "ccboutstandingcount=%d \n" + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n" , acb->host->host_no , ccb , atomic_read(&acb->ccboutstandingcount)); continue; } - id = ccb->pcmd->device->id; - lun = ccb->pcmd->device->lun; - if (!(flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR)) { - if (acb->devstate[id][lun] == ARECA_RAID_GONE) - acb->devstate[id][lun] = ARECA_RAID_GOOD; - ccb->pcmd->result = DID_OK << 16; - arcmsr_ccb_complete(ccb, 1); - } else { - switch(ccb->arcmsr_cdb.DeviceStatus) { - case ARCMSR_DEV_SELECT_TIMEOUT: { - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_TIME_OUT << 16; - arcmsr_ccb_complete(ccb, 1); - } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); + } + return rtn; +} + +static int arcmsr_polling_hbb_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) +{ + struct MessageUnit_B *reg = acb->pmuB; + struct ARCMSR_CDB *arcmsr_cdb; + struct CommandControlBlock *ccb; + uint32_t flag_ccb, poll_ccb_done = 0, poll_count = 0; + int index, rtn; + bool error; + polling_hbb_ccb_retry: + + poll_count++; + /* clear doorbell interrupt */ + writel(ARCMSR_DOORBELL_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + while(1){ + index = reg->doneq_index; + if ((flag_ccb = readl(®->done_qbuffer[index])) == 0) { + if (poll_ccb_done){ + rtn = SUCCESS; break; - case ARCMSR_DEV_ABORTED: - case ARCMSR_DEV_INIT_FAIL: { - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_BAD_TARGET << 16; - arcmsr_ccb_complete(ccb, 1); + }else { + msleep(25); + if (poll_count > 100){ + rtn = FAILED; + break; } + goto polling_hbb_ccb_retry; + } + } + writel(0, ®->done_qbuffer[index]); + index++; + /*if last index number set it to 0 */ + index %= ARCMSR_MAX_HBB_POSTQUEUE; + reg->doneq_index = index; + /* check if command done with no error*/ + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + (flag_ccb << 5)); + ccb = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + poll_ccb_done = (ccb == poll_ccb) ? 1:0; + if ((ccb->acb != acb) || (ccb->startdone != ARCMSR_CCB_START)) { + if ((ccb->startdone == ARCMSR_CCB_ABORTED) || (ccb == poll_ccb)) { + printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" + " poll command abort successfully \n" + ,acb->host->host_no + ,ccb->pcmd->device->id + ,ccb->pcmd->device->lun + ,ccb); + ccb->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(ccb); + continue; + } + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n" + , acb->host->host_no + , ccb + , atomic_read(&acb->ccboutstandingcount)); + continue; + } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE0) ? true : false; + arcmsr_report_ccb_state(acb, ccb, error); + } + return rtn; +} + +static int arcmsr_polling_hbc_ccbdone(struct AdapterControlBlock *acb, struct CommandControlBlock *poll_ccb) +{ + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t flag_ccb, ccb_cdb_phy; + struct ARCMSR_CDB *arcmsr_cdb; + bool error; + struct CommandControlBlock *pCCB; + uint32_t poll_ccb_done = 0, poll_count = 0; + int rtn; +polling_hbc_ccb_retry: + poll_count++; + while (1) { + if ((readl(®->host_int_status) & ARCMSR_HBCMU_OUTBOUND_POSTQUEUE_ISR) == 0) { + if (poll_ccb_done) { + rtn = SUCCESS; break; - case ARCMSR_DEV_CHECK_CONDITION: { - acb->devstate[id][lun] = ARECA_RAID_GOOD; - arcmsr_report_sense_info(ccb); - arcmsr_ccb_complete(ccb, 1); + } else { + msleep(25); + if (poll_count > 100) { + rtn = FAILED; + break; } - break; - default: - printk(KERN_NOTICE - "arcmsr%d: scsi id=%d lun=%d" - " polling and getting command error done" - "but got unknown DeviceStatus = 0x%x \n" + goto polling_hbc_ccb_retry; + } + } + flag_ccb = readl(®->outbound_queueport_low); + ccb_cdb_phy = (flag_ccb & 0xFFFFFFF0); + arcmsr_cdb = (struct ARCMSR_CDB *)(acb->vir2phy_offset + ccb_cdb_phy);/*frame must be 32 bytes aligned*/ + pCCB = container_of(arcmsr_cdb, struct CommandControlBlock, arcmsr_cdb); + poll_ccb_done = (pCCB == poll_ccb) ? 1 : 0; + /* check ifcommand done with no error*/ + if ((pCCB->acb != acb) || (pCCB->startdone != ARCMSR_CCB_START)) { + if (pCCB->startdone == ARCMSR_CCB_ABORTED) { + printk(KERN_NOTICE "arcmsr%d: scsi id = %d lun = %d ccb = '0x%p'" + " poll command abort successfully \n" , acb->host->host_no - , id - , lun - , ccb->arcmsr_cdb.DeviceStatus); - acb->devstate[id][lun] = ARECA_RAID_GONE; - ccb->pcmd->result = DID_BAD_TARGET << 16; - arcmsr_ccb_complete(ccb, 1); - break; + , pCCB->pcmd->device->id + , pCCB->pcmd->device->lun + , pCCB); + pCCB->pcmd->result = DID_ABORT << 16; + arcmsr_ccb_complete(pCCB); + continue; } + printk(KERN_NOTICE "arcmsr%d: polling get an illegal ccb" + " command done ccb = '0x%p'" + "ccboutstandingcount = %d \n" + , acb->host->host_no + , pCCB + , atomic_read(&acb->ccboutstandingcount)); + continue; } + error = (flag_ccb & ARCMSR_CCBREPLY_FLAG_ERROR_MODE1) ? true : false; + arcmsr_report_ccb_state(acb, pCCB, error); } + return rtn; } +static int arcmsr_polling_ccbdone(struct AdapterControlBlock *acb, + struct CommandControlBlock *poll_ccb) +{ + int rtn = 0; + switch (acb->adapter_type) { -static void arcmsr_iop_init(struct AdapterControlBlock *acb) + case ACB_ADAPTER_TYPE_A: { + rtn = arcmsr_polling_hba_ccbdone(acb, poll_ccb); + } + break; + + case ACB_ADAPTER_TYPE_B: { + rtn = arcmsr_polling_hbb_ccbdone(acb, poll_ccb); + } + break; + case ACB_ADAPTER_TYPE_C: { + rtn = arcmsr_polling_hbc_ccbdone(acb, poll_ccb); + } + } + return rtn; +} + +static int arcmsr_iop_confirm(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; - uint32_t intmask_org, mask, outbound_doorbell, firmware_state = 0; + uint32_t cdb_phyaddr, cdb_phyaddr_hi32; - do { - firmware_state = readl(®->outbound_msgaddr1); - } while (!(firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK)); - intmask_org = readl(®->outbound_intmask) - | ARCMSR_MU_OUTBOUND_MESSAGE0_INTMASKENABLE; - arcmsr_get_firmware_spec(acb); + /* + ******************************************************************** + ** here we need to tell iop 331 our freeccb.HighPart + ** if freeccb.HighPart is not zero + ******************************************************************** + */ + cdb_phyaddr = lower_32_bits(acb->dma_coherent_handle); + cdb_phyaddr_hi32 = upper_32_bits(acb->dma_coherent_handle); + acb->cdb_phyaddr_hi32 = cdb_phyaddr_hi32; + /* + *********************************************************************** + ** if adapter type B, set window of "post command Q" + *********************************************************************** + */ + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + if (cdb_phyaddr_hi32 != 0) { + struct MessageUnit_A __iomem *reg = acb->pmuA; + uint32_t intmask_org; + intmask_org = arcmsr_disable_outbound_ints(acb); + writel(ARCMSR_SIGNATURE_SET_CONFIG, \ + ®->message_rwbuffer[0]); + writel(cdb_phyaddr_hi32, ®->message_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, \ + ®->inbound_msgaddr0); + if (!arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: ""set ccb high \ + part physical address timeout\n", + acb->host->host_no); + return 1; + } + arcmsr_enable_outbound_ints(acb, intmask_org); + } + } + break; + + case ACB_ADAPTER_TYPE_B: { + unsigned long post_queue_phyaddr; + uint32_t __iomem *rwbuffer; + + struct MessageUnit_B *reg = acb->pmuB; + uint32_t intmask_org; + intmask_org = arcmsr_disable_outbound_ints(acb); + reg->postq_index = 0; + reg->doneq_index = 0; + writel(ARCMSR_MESSAGE_SET_POST_WINDOW, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d:can not set diver mode\n", \ + acb->host->host_no); + return 1; + } + post_queue_phyaddr = acb->dma_coherent_handle_hbb_mu; + rwbuffer = reg->message_rwbuffer; + /* driver "set config" signature */ + writel(ARCMSR_SIGNATURE_SET_CONFIG, rwbuffer++); + /* normal should be zero */ + writel(cdb_phyaddr_hi32, rwbuffer++); + /* postQ size (256 + 8)*4 */ + writel(post_queue_phyaddr, rwbuffer++); + /* doneQ size (256 + 8)*4 */ + writel(post_queue_phyaddr + 1056, rwbuffer++); + /* ccb maxQ size must be --> [(256 + 8)*4]*/ + writel(1056, rwbuffer); + + writel(ARCMSR_MESSAGE_SET_CONFIG, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ + timeout \n",acb->host->host_no); + return 1; + } + arcmsr_hbb_enable_driver_mode(acb); + arcmsr_enable_outbound_ints(acb, intmask_org); + } + break; + case ACB_ADAPTER_TYPE_C: { + if (cdb_phyaddr_hi32 != 0) { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + + printk(KERN_NOTICE "arcmsr%d: cdb_phyaddr_hi32=0x%x\n", + acb->adapter_index, cdb_phyaddr_hi32); + writel(ARCMSR_SIGNATURE_SET_CONFIG, ®->msgcode_rwbuffer[0]); + writel(cdb_phyaddr_hi32, ®->msgcode_rwbuffer[1]); + writel(ARCMSR_INBOUND_MESG0_SET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: 'set command Q window' \ + timeout \n", acb->host->host_no); + return 1; + } + } + } + } + return 0; +} + +static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) +{ + uint32_t firmware_state = 0; + switch (acb->adapter_type) { + + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + do { + firmware_state = readl(reg->iop2drv_doorbell); + } while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0); + writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell); + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + do { + firmware_state = readl(®->outbound_msgaddr1); + } while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0); + } + } +} + +static void arcmsr_request_hba_device_map(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = acb->pmuA; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } else { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)){ + atomic_set(&acb->rq_map_token, 16); + } + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + } + return; +} + +static void arcmsr_request_hbb_device_map(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B __iomem *reg = acb->pmuB; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0 ) || ((acb->acb_flags & ACB_F_ABORT) != 0 )){ + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } else { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + atomic_set(&acb->rq_map_token, 16); + } + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } + writel(ARCMSR_MESSAGE_GET_CONFIG, reg->drv2iop_doorbell); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + } + return; +} + +static void arcmsr_request_hbc_device_map(struct AdapterControlBlock *acb) +{ + struct MessageUnit_C __iomem *reg = acb->pmuC; + if (unlikely(atomic_read(&acb->rq_map_token) == 0) || ((acb->acb_flags & ACB_F_BUS_RESET) != 0) || ((acb->acb_flags & ACB_F_ABORT) != 0)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } else { + acb->fw_flag = FW_NORMAL; + if (atomic_read(&acb->ante_token_value) == atomic_read(&acb->rq_map_token)) { + atomic_set(&acb->rq_map_token, 16); + } + atomic_set(&acb->ante_token_value, atomic_read(&acb->rq_map_token)); + if (atomic_dec_and_test(&acb->rq_map_token)) { + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + return; + } + writel(ARCMSR_INBOUND_MESG0_GET_CONFIG, ®->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, ®->inbound_doorbell); + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + } + return; +} +static void arcmsr_request_device_map(unsigned long pacb) +{ + struct AdapterControlBlock *acb = (struct AdapterControlBlock *)pacb; + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + arcmsr_request_hba_device_map(acb); + } + break; + case ACB_ADAPTER_TYPE_B: { + arcmsr_request_hbb_device_map(acb); + } + break; + case ACB_ADAPTER_TYPE_C: { + arcmsr_request_hbc_device_map(acb); + } + } +} + +static void arcmsr_start_hba_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_A __iomem *reg = acb->pmuA; acb->acb_flags |= ACB_F_MSG_START_BGRB; writel(ARCMSR_INBOUND_MESG0_START_BGRB, ®->inbound_msgaddr0); - if (arcmsr_wait_msgint_ready(acb)) { - printk(KERN_NOTICE "arcmsr%d: " - "wait 'start adapter background rebulid' timeout\n", - acb->host->host_no); + if (!arcmsr_hba_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n", acb->host->host_no); } +} - outbound_doorbell = readl(®->outbound_doorbell); - writel(outbound_doorbell, ®->outbound_doorbell); - writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); - mask = ~(ARCMSR_MU_OUTBOUND_POSTQUEUE_INTMASKENABLE - | ARCMSR_MU_OUTBOUND_DOORBELL_INTMASKENABLE); - writel(intmask_org & mask, ®->outbound_intmask); - acb->outbound_int_enable = ~(intmask_org & mask) & 0x000000ff; +static void arcmsr_start_hbb_bgrb(struct AdapterControlBlock *acb) +{ + struct MessageUnit_B *reg = acb->pmuB; + acb->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_MESSAGE_START_BGRB, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n",acb->host->host_no); + } +} + +static void arcmsr_start_hbc_bgrb(struct AdapterControlBlock *pACB) +{ + struct MessageUnit_C *phbcmu = (struct MessageUnit_C *)pACB->pmuC; + pACB->acb_flags |= ACB_F_MSG_START_BGRB; + writel(ARCMSR_INBOUND_MESG0_START_BGRB, &phbcmu->inbound_msgaddr0); + writel(ARCMSR_HBCMU_DRV2IOP_MESSAGE_CMD_DONE, &phbcmu->inbound_doorbell); + if (!arcmsr_hbc_wait_msgint_ready(pACB)) { + printk(KERN_NOTICE "arcmsr%d: wait 'start adapter background \ + rebulid' timeout \n", pACB->host->host_no); + } + return; +} +static void arcmsr_start_adapter_bgrb(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + arcmsr_start_hba_bgrb(acb); + break; + case ACB_ADAPTER_TYPE_B: + arcmsr_start_hbb_bgrb(acb); + break; + case ACB_ADAPTER_TYPE_C: + arcmsr_start_hbc_bgrb(acb); + } +} + +static void arcmsr_clear_doorbell_queue_buffer(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: { + struct MessageUnit_A __iomem *reg = acb->pmuA; + uint32_t outbound_doorbell; + /* empty doorbell Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + /*clear doorbell interrupt */ + writel(outbound_doorbell, ®->outbound_doorbell); + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + } + break; + + case ACB_ADAPTER_TYPE_B: { + struct MessageUnit_B *reg = acb->pmuB; + /*clear interrupt and message state*/ + writel(ARCMSR_MESSAGE_INT_CLEAR_PATTERN, reg->iop2drv_doorbell); + writel(ARCMSR_DRV2IOP_DATA_READ_OK, reg->drv2iop_doorbell); + /* let IOP know data has been read */ + } + break; + case ACB_ADAPTER_TYPE_C: { + struct MessageUnit_C *reg = (struct MessageUnit_C *)acb->pmuC; + uint32_t outbound_doorbell; + /* empty doorbell Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + } + } +} + +static void arcmsr_enable_eoi_mode(struct AdapterControlBlock *acb) +{ + switch (acb->adapter_type) { + case ACB_ADAPTER_TYPE_A: + return; + case ACB_ADAPTER_TYPE_B: + { + struct MessageUnit_B *reg = acb->pmuB; + writel(ARCMSR_MESSAGE_ACTIVE_EOI_MODE, reg->drv2iop_doorbell); + if (!arcmsr_hbb_wait_msgint_ready(acb)) { + printk(KERN_NOTICE "ARCMSR IOP enables EOI_MODE TIMEOUT"); + return; + } + } + break; + case ACB_ADAPTER_TYPE_C: + return; + } + return; +} + +static void arcmsr_hardware_reset(struct AdapterControlBlock *acb) +{ + uint8_t value[64]; + int i, count = 0; + struct MessageUnit_A __iomem *pmuA = acb->pmuA; + struct MessageUnit_C __iomem *pmuC = acb->pmuC; + + /* backup pci config data */ + printk(KERN_NOTICE "arcmsr%d: executing hw bus reset .....\n", acb->host->host_no); + for (i = 0; i < 64; i++) { + pci_read_config_byte(acb->pdev, i, &value[i]); + } + /* hardware reset signal */ + if ((acb->dev_id == 0x1680)) { + writel(ARCMSR_ARC1680_BUS_RESET, &pmuA->reserved1[0]); + } else if ((acb->dev_id == 0x1880)) { + do { + count++; + writel(0xF, &pmuC->write_sequence); + writel(0x4, &pmuC->write_sequence); + writel(0xB, &pmuC->write_sequence); + writel(0x2, &pmuC->write_sequence); + writel(0x7, &pmuC->write_sequence); + writel(0xD, &pmuC->write_sequence); + } while (((readl(&pmuC->host_diagnostic) & ARCMSR_ARC1880_DiagWrite_ENABLE) == 0) && (count < 5)); + writel(ARCMSR_ARC1880_RESET_ADAPTER, &pmuC->host_diagnostic); + } else { + pci_write_config_byte(acb->pdev, 0x84, 0x20); + } + msleep(2000); + /* write back pci config data */ + for (i = 0; i < 64; i++) { + pci_write_config_byte(acb->pdev, i, value[i]); + } + msleep(1000); + return; +} +static void arcmsr_iop_init(struct AdapterControlBlock *acb) +{ + uint32_t intmask_org; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_wait_firmware_ready(acb); + arcmsr_iop_confirm(acb); + /*start background rebuild*/ + arcmsr_start_adapter_bgrb(acb); + /* empty doorbell Qbuffer if door bell ringed */ + arcmsr_clear_doorbell_queue_buffer(acb); + arcmsr_enable_eoi_mode(acb); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); acb->acb_flags |= ACB_F_IOP_INITED; } -static void arcmsr_iop_reset(struct AdapterControlBlock *acb) +static uint8_t arcmsr_iop_reset(struct AdapterControlBlock *acb) { - struct MessageUnit __iomem *reg = acb->pmu; struct CommandControlBlock *ccb; uint32_t intmask_org; + uint8_t rtnval = 0x00; int i = 0; + unsigned long flags; if (atomic_read(&acb->ccboutstandingcount) != 0) { - /* talk to iop 331 outstanding command aborted */ - arcmsr_abort_allcmd(acb); - /* wait for 3 sec for all command aborted*/ - msleep_interruptible(3000); /* disable all outbound interrupt */ intmask_org = arcmsr_disable_outbound_ints(acb); + /* talk to iop 331 outstanding command aborted */ + rtnval = arcmsr_abort_allcmd(acb); /* clear all outbound posted Q */ - for (i = 0; i < ARCMSR_MAX_OUTSTANDING_CMD; i++) - readl(®->outbound_queueport); + arcmsr_done4abort_postqueue(acb); for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { ccb = acb->pccb_pool[i]; - if ((ccb->startdone == ARCMSR_CCB_START) || - (ccb->startdone == ARCMSR_CCB_ABORTED)) { - ccb->startdone = ARCMSR_CCB_ABORTED; - ccb->pcmd->result = DID_ABORT << 16; - arcmsr_ccb_complete(ccb, 1); + if (ccb->startdone == ARCMSR_CCB_START) { + scsi_dma_unmap(ccb->pcmd); + ccb->startdone = ARCMSR_CCB_DONE; + ccb->ccb_flags = 0; + spin_lock_irqsave(&acb->ccblist_lock, flags); + list_add_tail(&ccb->list, &acb->ccb_free_list); + spin_unlock_irqrestore(&acb->ccblist_lock, flags); } } + atomic_set(&acb->ccboutstandingcount, 0); /* enable all outbound interrupt */ arcmsr_enable_outbound_ints(acb, intmask_org); + return rtnval; } - atomic_set(&acb->ccboutstandingcount, 0); + return rtnval; } static int arcmsr_bus_reset(struct scsi_cmnd *cmd) { - struct AdapterControlBlock *acb = - (struct AdapterControlBlock *)cmd->device->host->hostdata; - int i; - + struct AdapterControlBlock *acb; + uint32_t intmask_org, outbound_doorbell; + int retry_count = 0; + int rtn = FAILED; + acb = (struct AdapterControlBlock *) cmd->device->host->hostdata; + printk(KERN_ERR "arcmsr: executing bus reset eh.....num_resets = %d, num_aborts = %d \n", acb->num_resets, acb->num_aborts); acb->num_resets++; - acb->acb_flags |= ACB_F_BUS_RESET; - for (i = 0; i < 400; i++) { - if (!atomic_read(&acb->ccboutstandingcount)) + + switch(acb->adapter_type){ + case ACB_ADAPTER_TYPE_A:{ + if (acb->acb_flags & ACB_F_BUS_RESET){ + long timeout; + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_A __iomem *reg; + reg = acb->pmuA; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; +sleep_again: + ssleep(ARCMSR_SLEEPTIME); + if ((readl(®->outbound_msgaddr1) & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0) { + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count); + if (retry_count > ARCMSR_RETRYCOUNT) { + acb->fw_flag = FW_DEADLOCK; + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no); + return FAILED; + } + retry_count++; + goto sleep_again; + } + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell); /*clear interrupt */ + writel(ARCMSR_INBOUND_DRIVER_DATA_READ_OK, ®->inbound_doorbell); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + rtn = SUCCESS; + } break; - arcmsr_interrupt(acb); - msleep(25); + } + case ACB_ADAPTER_TYPE_B:{ + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = FAILED; + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + rtn = SUCCESS; + } + break; + } + case ACB_ADAPTER_TYPE_C:{ + if (acb->acb_flags & ACB_F_BUS_RESET) { + long timeout; + printk(KERN_ERR "arcmsr: there is an bus reset eh proceeding.......\n"); + timeout = wait_event_timeout(wait_q, (acb->acb_flags & ACB_F_BUS_RESET) == 0, 220*HZ); + if (timeout) { + return SUCCESS; + } + } + acb->acb_flags |= ACB_F_BUS_RESET; + if (!arcmsr_iop_reset(acb)) { + struct MessageUnit_C __iomem *reg; + reg = acb->pmuC; + arcmsr_hardware_reset(acb); + acb->acb_flags &= ~ACB_F_IOP_INITED; +sleep: + ssleep(ARCMSR_SLEEPTIME); + if ((readl(®->host_diagnostic) & 0x04) != 0) { + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, retry=%d\n", acb->host->host_no, retry_count); + if (retry_count > ARCMSR_RETRYCOUNT) { + acb->fw_flag = FW_DEADLOCK; + printk(KERN_ERR "arcmsr%d: waiting for hw bus reset return, RETRY TERMINATED!!\n", acb->host->host_no); + return FAILED; + } + retry_count++; + goto sleep; + } + acb->acb_flags |= ACB_F_IOP_INITED; + /* disable all outbound interrupt */ + intmask_org = arcmsr_disable_outbound_ints(acb); + arcmsr_get_firmware_spec(acb); + arcmsr_start_adapter_bgrb(acb); + /* clear Qbuffer if door bell ringed */ + outbound_doorbell = readl(®->outbound_doorbell); + writel(outbound_doorbell, ®->outbound_doorbell_clear); /*clear interrupt */ + writel(ARCMSR_HBCMU_DRV2IOP_DATA_READ_OK, ®->inbound_doorbell); + /* enable outbound Post Queue,outbound doorbell Interrupt */ + arcmsr_enable_outbound_ints(acb, intmask_org); + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6 * HZ)); + acb->acb_flags &= ~ACB_F_BUS_RESET; + rtn = SUCCESS; + printk(KERN_ERR "arcmsr: scsi bus reset eh returns with success\n"); + } else { + acb->acb_flags &= ~ACB_F_BUS_RESET; + atomic_set(&acb->rq_map_token, 16); + atomic_set(&acb->ante_token_value, 16); + acb->fw_flag = FW_NORMAL; + mod_timer(&acb->eternal_timer, jiffies + msecs_to_jiffies(6*HZ)); + rtn = SUCCESS; + } + break; + } } - arcmsr_iop_reset(acb); - acb->acb_flags &= ~ACB_F_BUS_RESET; - return SUCCESS; + return rtn; } -static void arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, +static int arcmsr_abort_one_cmd(struct AdapterControlBlock *acb, struct CommandControlBlock *ccb) { - u32 intmask; - - ccb->startdone = ARCMSR_CCB_ABORTED; - - /* - ** Wait for 3 sec for all command done. - */ - msleep_interruptible(3000); - - intmask = arcmsr_disable_outbound_ints(acb); - arcmsr_polling_ccbdone(acb, ccb); - arcmsr_enable_outbound_ints(acb, intmask); + int rtn; + rtn = arcmsr_polling_ccbdone(acb, ccb); + return rtn; } static int arcmsr_abort(struct scsi_cmnd *cmd) @@ -1427,12 +3055,12 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) struct AdapterControlBlock *acb = (struct AdapterControlBlock *)cmd->device->host->hostdata; int i = 0; - + int rtn = FAILED; printk(KERN_NOTICE - "arcmsr%d: abort device command of scsi id=%d lun=%d \n", + "arcmsr%d: abort device command of scsi id = %d lun = %d \n", acb->host->host_no, cmd->device->id, cmd->device->lun); + acb->acb_flags |= ACB_F_ABORT; acb->num_aborts++; - /* ************************************************ ** the all interrupt service routine is locked @@ -1440,17 +3068,18 @@ static int arcmsr_abort(struct scsi_cmnd *cmd) ************************************************ */ if (!atomic_read(&acb->ccboutstandingcount)) - return SUCCESS; + return rtn; for (i = 0; i < ARCMSR_MAX_FREECCB_NUM; i++) { struct CommandControlBlock *ccb = acb->pccb_pool[i]; if (ccb->startdone == ARCMSR_CCB_START && ccb->pcmd == cmd) { - arcmsr_abort_one_cmd(acb, ccb); + ccb->startdone = ARCMSR_CCB_ABORTED; + rtn = arcmsr_abort_one_cmd(acb, ccb); break; } } - - return SUCCESS; + acb->acb_flags &= ~ACB_F_ABORT; + return rtn; } static const char *arcmsr_info(struct Scsi_Host *host) @@ -1460,9 +3089,10 @@ static const char *arcmsr_info(struct Scsi_Host *host) static char buf[256]; char *type; int raid6 = 1; - switch (acb->pdev->device) { case PCI_DEVICE_ID_ARECA_1110: + case PCI_DEVICE_ID_ARECA_1200: + case PCI_DEVICE_ID_ARECA_1202: case PCI_DEVICE_ID_ARECA_1210: raid6 = 0; /*FALLTHRU*/ @@ -1470,6 +3100,7 @@ static const char *arcmsr_info(struct Scsi_Host *host) case PCI_DEVICE_ID_ARECA_1130: case PCI_DEVICE_ID_ARECA_1160: case PCI_DEVICE_ID_ARECA_1170: + case PCI_DEVICE_ID_ARECA_1201: case PCI_DEVICE_ID_ARECA_1220: case PCI_DEVICE_ID_ARECA_1230: case PCI_DEVICE_ID_ARECA_1260: @@ -1481,16 +3112,15 @@ static const char *arcmsr_info(struct Scsi_Host *host) case PCI_DEVICE_ID_ARECA_1381: case PCI_DEVICE_ID_ARECA_1680: case PCI_DEVICE_ID_ARECA_1681: + case PCI_DEVICE_ID_ARECA_1880: type = "SAS"; break; default: type = "X-TYPE"; break; } - sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", + sprintf(buf, "Areca %s Host Adapter RAID Controller%s\n %s", type, raid6 ? "( RAID6 capable)" : "", ARCMSR_DRIVER_VERSION); return buf; } - - |