diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 4282 |
1 files changed, 3199 insertions, 1083 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index efabea1a3ce..5055f925d2c 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -2,7 +2,7 @@ * Scsi Host Layer for MPT (Message Passing Technology) based controllers * * This code is based on drivers/scsi/mpt2sas/mpt2_scsih.c - * Copyright (C) 2007-2009 LSI Corporation + * Copyright (C) 2007-2013 LSI Corporation * (mailto:DL-MPTFusionLinux@lsi.com) * * This program is free software; you can redistribute it and/or @@ -41,7 +41,6 @@ * USA. */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/init.h> @@ -52,6 +51,9 @@ #include <linux/delay.h> #include <linux/pci.h> #include <linux/interrupt.h> +#include <linux/aer.h> +#include <linux/raid_class.h> +#include <linux/slab.h> #include "mpt2sas_base.h" @@ -67,6 +69,11 @@ static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_expander); static void _firmware_event_work(struct work_struct *work); +static u8 _scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid); + +static void _scsih_scan_start(struct Scsi_Host *shost); +static int _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time); + /* global parameters */ LIST_HEAD(mpt2sas_ioc_list); @@ -75,12 +82,14 @@ static u8 scsi_io_cb_idx = -1; static u8 tm_cb_idx = -1; static u8 ctl_cb_idx = -1; static u8 base_cb_idx = -1; +static u8 port_enable_cb_idx = -1; static u8 transport_cb_idx = -1; static u8 scsih_cb_idx = -1; static u8 config_cb_idx = -1; static int mpt_ids; static u8 tm_tr_cb_idx = -1 ; +static u8 tm_tr_volume_cb_idx = -1 ; static u8 tm_sas_control_cb_idx = -1; /* command line options */ @@ -88,12 +97,41 @@ static u32 logging_level; MODULE_PARM_DESC(logging_level, " bits for enabling additional logging info " "(default=0)"); +static ushort max_sectors = 0xFFFF; +module_param(max_sectors, ushort, 0); +MODULE_PARM_DESC(max_sectors, "max sectors, range 64 to 32767 default=32767"); + +static int missing_delay[2] = {-1, -1}; +module_param_array(missing_delay, int, NULL, 0); +MODULE_PARM_DESC(missing_delay, " device missing delay , io missing delay"); + /* scsi-mid layer global parmeter is max_report_luns, which is 511 */ #define MPT2SAS_MAX_LUN (16895) static int max_lun = MPT2SAS_MAX_LUN; module_param(max_lun, int, 0); MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); +/* diag_buffer_enable is bitwise + * bit 0 set = TRACE + * bit 1 set = SNAPSHOT + * bit 2 set = EXTENDED + * + * Either bit can be set, or both + */ +static int diag_buffer_enable = -1; +module_param(diag_buffer_enable, int, 0); +MODULE_PARM_DESC(diag_buffer_enable, " post diag buffers " + "(TRACE=1/SNAPSHOT=2/EXTENDED=4/default=0)"); + +static int disable_discovery = -1; +module_param(disable_discovery, int, 0); +MODULE_PARM_DESC(disable_discovery, " disable discovery "); + +/* permit overriding the host protection capabilities mask (EEDP/T10 PI) */ +static int prot_mask = 0; +module_param(prot_mask, int, 0); +MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); + /** * struct sense_info - common structure for obtaining sense keys * @skey: sense key @@ -107,14 +145,18 @@ struct sense_info { }; +#define MPT2SAS_TURN_ON_FAULT_LED (0xFFFC) +#define MPT2SAS_PORT_ENABLE_COMPLETE (0xFFFD) +#define MPT2SAS_REMOVE_UNRESPONDING_DEVICES (0xFFFF) /** * struct fw_event_work - firmware event struct * @list: link list framework * @work: work object (ioc->fault_reset_work_q) + * @cancel_pending_work: flag set during reset handling * @ioc: per adapter object + * @device_handle: device handle * @VF_ID: virtual function id * @VP_ID: virtual port id - * @host_reset_handling: handling events during host reset * @ignore: flag meaning this event has been marked to ignore * @event: firmware event MPI2_EVENT_XXX defined in mpt2_ioc.h * @event_data: reply event data payload follows @@ -123,16 +165,20 @@ struct sense_info { */ struct fw_event_work { struct list_head list; - struct work_struct work; + u8 cancel_pending_work; + struct delayed_work delayed_work; struct MPT2SAS_ADAPTER *ioc; + u16 device_handle; u8 VF_ID; u8 VP_ID; - u8 host_reset_handling; u8 ignore; u16 event; void *event_data; }; +/* raid transport support */ +static struct raid_template *mpt2sas_raid_template; + /** * struct _scsi_io_transfer - scsi io transfer * @handle: sas device handle (assigned by firmware) @@ -215,9 +261,15 @@ static struct pci_device_id scsih_pci_table[] = { PCI_ANY_ID, PCI_ANY_ID }, { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_7, + /* Mustang ~ 2308 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_1, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_2, PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_8, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2308_3, + PCI_ANY_ID, PCI_ANY_ID }, + /* SSS6200 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, PCI_ANY_ID, PCI_ANY_ID }, {0} /* Terminating entry */ }; @@ -349,31 +401,34 @@ _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, Mpi2SasDevicePage0_t sas_device_pg0; Mpi2ConfigReply_t mpi_reply; u32 ioc_status; + *sas_address = 0; if (handle <= ioc->sas_hba.num_phys) { *sas_address = ioc->sas_hba.sas_address; return 0; - } else - *sas_address = 0; + } if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, + __FILE__, __LINE__, __func__); return -ENXIO; } - ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & - MPI2_IOCSTATUS_MASK; - if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { - printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x)" - "\nfailure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, - __FILE__, __LINE__, __func__); - return -EIO; + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { + *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); + return 0; } - *sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - return 0; + /* we hit this becuase the given parent handle doesn't exist */ + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + return -ENXIO; + /* else error case */ + printk(MPT2SAS_ERR_FMT "handle(0x%04x), ioc_status(0x%04x), " + "failure at %s:%d/%s()!\n", ioc->name, handle, ioc_status, + __FILE__, __LINE__, __func__); + return -EIO; } /** @@ -383,7 +438,7 @@ _scsih_get_sas_address(struct MPT2SAS_ADAPTER *ioc, u16 handle, * @is_raid: [flag] 1 = raid object, 0 = sas object * * Determines whether this device should be first reported device to - * to scsi-ml or sas transport, this purpose is for persistant boot device. + * to scsi-ml or sas transport, this purpose is for persistent boot device. * There are primary, alternate, and current entries in bios page 2. The order * priority is primary, alternate, then current. This routine saves * the corresponding device object and is_raid flag in the ioc object. @@ -401,7 +456,11 @@ _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, u16 slot; /* only process this function when driver loads */ - if (!ioc->wait_for_port_enable_to_complete) + if (!ioc->is_driver_loading) + return; + + /* no Bios, return immediately */ + if (!ioc->bios_pg3.BiosVersion) return; if (!is_raid) { @@ -424,7 +483,7 @@ _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, (ioc->bios_pg2.ReqBootDeviceForm & MPI2_BIOSPAGE2_FORM_MASK), &ioc->bios_pg2.RequestedBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT + dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: req_boot_device(0x%016llx)\n", ioc->name, __func__, (unsigned long long)sas_address)); @@ -439,7 +498,7 @@ _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, (ioc->bios_pg2.ReqAltBootDeviceForm & MPI2_BIOSPAGE2_FORM_MASK), &ioc->bios_pg2.RequestedAltBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT + dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: req_alt_boot_device(0x%016llx)\n", ioc->name, __func__, (unsigned long long)sas_address)); @@ -454,7 +513,7 @@ _scsih_determine_boot_device(struct MPT2SAS_ADAPTER *ioc, (ioc->bios_pg2.CurrentBootDeviceForm & MPI2_BIOSPAGE2_FORM_MASK), &ioc->bios_pg2.CurrentBootDevice)) { - dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT + dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: current_boot_device(0x%016llx)\n", ioc->name, __func__, (unsigned long long)sas_address)); @@ -477,27 +536,17 @@ struct _sas_device * mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) { - struct _sas_device *sas_device, *r; + struct _sas_device *sas_device; - r = NULL; - /* check the sas_device_init_list */ - list_for_each_entry(sas_device, &ioc->sas_device_init_list, - list) { - if (sas_device->sas_address != sas_address) - continue; - r = sas_device; - goto out; - } + list_for_each_entry(sas_device, &ioc->sas_device_list, list) + if (sas_device->sas_address == sas_address) + return sas_device; - /* then check the sas_device_list */ - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->sas_address != sas_address) - continue; - r = sas_device; - goto out; - } - out: - return r; + list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) + if (sas_device->sas_address == sas_address) + return sas_device; + + return NULL; } /** @@ -512,28 +561,17 @@ mpt2sas_scsih_sas_device_find_by_sas_address(struct MPT2SAS_ADAPTER *ioc, static struct _sas_device * _scsih_sas_device_find_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) { - struct _sas_device *sas_device, *r; + struct _sas_device *sas_device; - r = NULL; - if (ioc->wait_for_port_enable_to_complete) { - list_for_each_entry(sas_device, &ioc->sas_device_init_list, - list) { - if (sas_device->handle != handle) - continue; - r = sas_device; - goto out; - } - } else { - list_for_each_entry(sas_device, &ioc->sas_device_list, list) { - if (sas_device->handle != handle) - continue; - r = sas_device; - goto out; - } - } + list_for_each_entry(sas_device, &ioc->sas_device_list, list) + if (sas_device->handle == handle) + return sas_device; - out: - return r; + list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) + if (sas_device->handle == handle) + return sas_device; + + return NULL; } /** @@ -550,13 +588,16 @@ _scsih_sas_device_remove(struct MPT2SAS_ADAPTER *ioc, { unsigned long flags; + if (!sas_device) + return; + spin_lock_irqsave(&ioc->sas_device_lock, flags); list_del(&sas_device->list); - memset(sas_device, 0, sizeof(struct _sas_device)); kfree(sas_device); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } + /** * _scsih_sas_device_add - insert sas_device to the list. * @ioc: per adapter object @@ -571,7 +612,7 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, { unsigned long flags; - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, sas_device->handle, (unsigned long long)sas_device->sas_address)); @@ -580,8 +621,20 @@ _scsih_sas_device_add(struct MPT2SAS_ADAPTER *ioc, spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (!mpt2sas_transport_port_add(ioc, sas_device->handle, - sas_device->sas_address_parent)) + sas_device->sas_address_parent)) { _scsih_sas_device_remove(ioc, sas_device); + } else if (!sas_device->starget) { + /* When asyn scanning is enabled, its not possible to remove + * devices while scanning is turned on due to an oops in + * scsi_sysfs_add_sdev()->add_device()->sysfs_addrm_start() + */ + if (!ioc->is_driver_loading) { + mpt2sas_transport_port_remove(ioc, + sas_device->sas_address, + sas_device->sas_address_parent); + _scsih_sas_device_remove(ioc, sas_device); + } + } } /** @@ -598,14 +651,14 @@ _scsih_sas_device_init_add(struct MPT2SAS_ADAPTER *ioc, { unsigned long flags; - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" "(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, sas_device->handle, (unsigned long long)sas_device->sas_address)); spin_lock_irqsave(&ioc->sas_device_lock, flags); list_add_tail(&sas_device->list, &ioc->sas_device_init_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); _scsih_determine_boot_device(ioc, sas_device, 0); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } /** @@ -700,7 +753,7 @@ _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, { unsigned long flags; - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle" + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle" "(0x%04x), wwid(0x%016llx)\n", ioc->name, __func__, raid_device->handle, (unsigned long long)raid_device->wwid)); @@ -714,7 +767,6 @@ _scsih_raid_device_add(struct MPT2SAS_ADAPTER *ioc, * @ioc: per adapter object * @raid_device: raid_device object * - * This is removed from the raid_device_list link list. */ static void _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, @@ -724,7 +776,6 @@ _scsih_raid_device_remove(struct MPT2SAS_ADAPTER *ioc, spin_lock_irqsave(&ioc->raid_device_lock, flags); list_del(&raid_device->list); - memset(raid_device, 0, sizeof(struct _raid_device)); kfree(raid_device); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); } @@ -821,7 +872,7 @@ _scsih_is_end_device(u32 device_info) } /** - * mptscsih_get_scsi_lookup - returns scmd entry + * _scsih_scsi_lookup_get - returns scmd entry * @ioc: per adapter object * @smid: system request message index * @@ -834,6 +885,28 @@ _scsih_scsi_lookup_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) } /** + * _scsih_scsi_lookup_get_clear - returns scmd entry + * @ioc: per adapter object + * @smid: system request message index + * + * Returns the smid stored scmd pointer. + * Then will derefrence the stored scmd pointer. + */ +static inline struct scsi_cmnd * +_scsih_scsi_lookup_get_clear(struct MPT2SAS_ADAPTER *ioc, u16 smid) +{ + unsigned long flags; + struct scsi_cmnd *scmd; + + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + scmd = ioc->scsi_lookup[smid - 1].scmd; + ioc->scsi_lookup[smid - 1].scmd = NULL; + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + + return scmd; +} + +/** * _scsih_scsi_lookup_find_by_scmd - scmd lookup * @ioc: per adapter object * @smid: system request message index @@ -933,31 +1006,32 @@ _scsih_scsi_lookup_find_by_lun(struct MPT2SAS_ADAPTER *ioc, int id, } /** - * _scsih_get_chain_buffer_dma - obtain block of chains (dma address) + * _scsih_get_chain_buffer_tracker - obtain chain tracker * @ioc: per adapter object - * @smid: system request message index + * @smid: smid associated to an IO request * - * Returns phys pointer to chain buffer. + * Returns chain tracker(from ioc->free_chain_list) */ -static dma_addr_t -_scsih_get_chain_buffer_dma(struct MPT2SAS_ADAPTER *ioc, u16 smid) +static struct chain_tracker * +_scsih_get_chain_buffer_tracker(struct MPT2SAS_ADAPTER *ioc, u16 smid) { - return ioc->chain_dma + ((smid - 1) * (ioc->request_sz * - ioc->chains_needed_per_io)); -} + struct chain_tracker *chain_req; + unsigned long flags; -/** - * _scsih_get_chain_buffer - obtain block of chains assigned to a mf request - * @ioc: per adapter object - * @smid: system request message index - * - * Returns virt pointer to chain buffer. - */ -static void * -_scsih_get_chain_buffer(struct MPT2SAS_ADAPTER *ioc, u16 smid) -{ - return (void *)(ioc->chain + ((smid - 1) * (ioc->request_sz * - ioc->chains_needed_per_io))); + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + if (list_empty(&ioc->free_chain_list)) { + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT "chain buffers not " + "available\n", ioc->name)); + return NULL; + } + chain_req = list_entry(ioc->free_chain_list.next, + struct chain_tracker, tracker_list); + list_del_init(&chain_req->tracker_list); + list_add_tail(&chain_req->tracker_list, + &ioc->scsi_lookup[smid - 1].chain_list); + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + return chain_req; } /** @@ -983,11 +1057,12 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, u32 chain_offset; u32 chain_length; u32 chain_flags; - u32 sges_left; + int sges_left; u32 sges_in_segment; u32 sgl_flags; u32 sgl_flags_last_element; u32 sgl_flags_end_buffer; + struct chain_tracker *chain_req; mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); @@ -1004,7 +1079,7 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, sg_scmd = scsi_sglist(scmd); sges_left = scsi_dma_map(scmd); - if (!sges_left) { + if (sges_left < 0) { sdev_printk(KERN_ERR, scmd->device, "pci_map_sg" " failed: request for %d bytes!\n", scsi_bufflen(scmd)); return -ENOMEM; @@ -1035,8 +1110,11 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, /* initializing the chain flags and pointers */ chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; - chain = _scsih_get_chain_buffer(ioc, smid); - chain_dma = _scsih_get_chain_buffer_dma(ioc, smid); + chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); + if (!chain_req) + return -1; + chain = chain_req->chain_buffer; + chain_dma = chain_req->chain_buffer_dma; do { sges_in_segment = (sges_left <= ioc->max_sges_in_chain_message) ? sges_left : @@ -1072,8 +1150,11 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, sges_in_segment--; } - chain_dma += ioc->request_sz; - chain += ioc->request_sz; + chain_req = _scsih_get_chain_buffer_tracker(ioc, smid); + if (!chain_req) + return -1; + chain = chain_req->chain_buffer; + chain_dma = chain_req->chain_buffer_dma; } while (1); @@ -1096,28 +1177,24 @@ _scsih_build_scatter_gather(struct MPT2SAS_ADAPTER *ioc, } /** - * _scsih_change_queue_depth - setting device queue depth + * _scsih_adjust_queue_depth - setting device queue depth * @sdev: scsi device struct * @qdepth: requested queue depth - * @reason: calling context * - * Returns queue depth. + * + * Returns nothing */ -static int -_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) +static void +_scsih_adjust_queue_depth(struct scsi_device *sdev, int qdepth) { struct Scsi_Host *shost = sdev->host; int max_depth; - int tag_type; struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); struct MPT2SAS_DEVICE *sas_device_priv_data; struct MPT2SAS_TARGET *sas_target_priv_data; struct _sas_device *sas_device; unsigned long flags; - if (reason != SCSI_QDEPTH_DEFAULT) - return -EOPNOTSUPP; - max_depth = shost->can_queue; /* limit max device queue for SATA to 32 */ @@ -1132,10 +1209,10 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, sas_device_priv_data->sas_target->sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (sas_device && sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) max_depth = MPT2SAS_SATA_QUEUE_DEPTH; + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); not_sata: @@ -1143,8 +1220,27 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) max_depth = 1; if (qdepth > max_depth) qdepth = max_depth; - tag_type = (qdepth == 1) ? 0 : MSG_SIMPLE_TAG; - scsi_adjust_queue_depth(sdev, tag_type, qdepth); + scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth); +} + +/** + * _scsih_change_queue_depth - setting device queue depth + * @sdev: scsi device struct + * @qdepth: requested queue depth + * @reason: SCSI_QDEPTH_DEFAULT/SCSI_QDEPTH_QFULL/SCSI_QDEPTH_RAMP_UP + * (see include/scsi/scsi_host.h for definition) + * + * Returns queue depth. + */ +static int +_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth, int reason) +{ + if (reason == SCSI_QDEPTH_DEFAULT || reason == SCSI_QDEPTH_RAMP_UP) + _scsih_adjust_queue_depth(sdev, qdepth); + else if (reason == SCSI_QDEPTH_QFULL) + scsi_track_queue_full(sdev, qdepth); + else + return -EOPNOTSUPP; if (sdev->inquiry_len > 7) sdev_printk(KERN_INFO, sdev, "qdepth(%d), tagged(%d), " @@ -1213,6 +1309,8 @@ _scsih_target_alloc(struct scsi_target *starget) sas_target_priv_data->handle = raid_device->handle; sas_target_priv_data->sas_address = raid_device->wwid; sas_target_priv_data->flags |= MPT_TARGET_FLAGS_VOLUME; + if (ioc->is_warpdrive) + sas_target_priv_data->raid_device = raid_device; raid_device->starget = starget; } spin_unlock_irqrestore(&ioc->raid_device_lock, flags); @@ -1231,7 +1329,7 @@ _scsih_target_alloc(struct scsi_target *starget) sas_device->starget = starget; sas_device->id = starget->id; sas_device->channel = starget->channel; - if (sas_device->hidden_raid_component) + if (test_bit(sas_device->handle, ioc->pd_handles)) sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; } @@ -1332,21 +1430,21 @@ _scsih_slave_alloc(struct scsi_device *sdev) if (raid_device) raid_device->sdev = sdev; /* raid is single lun */ spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - } else { - /* set TLR bit for SSP devices */ - if (!(ioc->facts.IOCCapabilities & - MPI2_IOCFACTS_CAPABILITY_TLR)) - goto out; + } + + if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, - sas_device_priv_data->sas_target->sas_address); + sas_target_priv_data->sas_address); + if (sas_device && (sas_device->starget == NULL)) { + sdev_printk(KERN_INFO, sdev, + "%s : sas_device->starget set to starget @ %d\n", + __func__, __LINE__); + sas_device->starget = starget; + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device && sas_device->device_info & - MPI2_SAS_DEVICE_INFO_SSP_TARGET) - sas_device_priv_data->flags |= MPT_DEVICE_TLR_ON; } - out: return 0; } @@ -1361,6 +1459,10 @@ _scsih_slave_destroy(struct scsi_device *sdev) { struct MPT2SAS_TARGET *sas_target_priv_data; struct scsi_target *starget; + struct Scsi_Host *shost; + struct MPT2SAS_ADAPTER *ioc; + struct _sas_device *sas_device; + unsigned long flags; if (!sdev->hostdata) return; @@ -1368,6 +1470,19 @@ _scsih_slave_destroy(struct scsi_device *sdev) starget = scsi_target(sdev); sas_target_priv_data = starget->hostdata; sas_target_priv_data->num_luns--; + + shost = dev_to_shost(&starget->dev); + ioc = shost_priv(shost); + + if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + sas_target_priv_data->sas_address); + if (sas_device && !sas_target_priv_data->num_luns) + sas_device->starget = NULL; + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + } + kfree(sdev->hostdata); sdev->hostdata = NULL; } @@ -1375,12 +1490,12 @@ _scsih_slave_destroy(struct scsi_device *sdev) /** * _scsih_display_sata_capabilities - sata capabilities * @ioc: per adapter object - * @sas_device: the sas_device object + * @handle: device handle * @sdev: scsi device struct */ static void _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, - struct _sas_device *sas_device, struct scsi_device *sdev) + u16 handle, struct scsi_device *sdev) { Mpi2ConfigReply_t mpi_reply; Mpi2SasDevicePage0_t sas_device_pg0; @@ -1389,7 +1504,7 @@ _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, u32 device_info; if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, - MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, sas_device->handle))) { + MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); return; @@ -1404,7 +1519,7 @@ _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, } flags = le16_to_cpu(sas_device_pg0.Flags); - device_info = le16_to_cpu(sas_device_pg0.DeviceInfo); + device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); sdev_printk(KERN_INFO, sdev, "atapi(%s), ncq(%s), asyn_notify(%s), smart(%s), fua(%s), " @@ -1419,11 +1534,166 @@ _scsih_display_sata_capabilities(struct MPT2SAS_ADAPTER *ioc, } /** + * _scsih_is_raid - return boolean indicating device is raid volume + * @dev the device struct object + */ +static int +_scsih_is_raid(struct device *dev) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); + + if (ioc->is_warpdrive) + return 0; + return (sdev->channel == RAID_CHANNEL) ? 1 : 0; +} + +/** + * _scsih_get_resync - get raid volume resync percent complete + * @dev the device struct object + */ +static void +_scsih_get_resync(struct device *dev) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); + static struct _raid_device *raid_device; + unsigned long flags; + Mpi2RaidVolPage0_t vol_pg0; + Mpi2ConfigReply_t mpi_reply; + u32 volume_status_flags; + u8 percent_complete; + u16 handle; + + percent_complete = 0; + handle = 0; + if (ioc->is_warpdrive) + goto out; + + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, + sdev->channel); + if (raid_device) { + handle = raid_device->handle; + percent_complete = raid_device->percent_complete; + } + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + + if (!handle) + goto out; + + if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, + MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, + sizeof(Mpi2RaidVolPage0_t))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + percent_complete = 0; + goto out; + } + + volume_status_flags = le32_to_cpu(vol_pg0.VolumeStatusFlags); + if (!(volume_status_flags & + MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS)) + percent_complete = 0; + + out: + raid_set_resync(mpt2sas_raid_template, dev, percent_complete); +} + +/** + * _scsih_get_state - get raid volume level + * @dev the device struct object + */ +static void +_scsih_get_state(struct device *dev) +{ + struct scsi_device *sdev = to_scsi_device(dev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(sdev->host); + static struct _raid_device *raid_device; + unsigned long flags; + Mpi2RaidVolPage0_t vol_pg0; + Mpi2ConfigReply_t mpi_reply; + u32 volstate; + enum raid_state state = RAID_STATE_UNKNOWN; + u16 handle = 0; + + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_id(ioc, sdev->id, + sdev->channel); + if (raid_device) + handle = raid_device->handle; + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + + if (!raid_device) + goto out; + + if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, &vol_pg0, + MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, + sizeof(Mpi2RaidVolPage0_t))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + goto out; + } + + volstate = le32_to_cpu(vol_pg0.VolumeStatusFlags); + if (volstate & MPI2_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS) { + state = RAID_STATE_RESYNCING; + goto out; + } + + switch (vol_pg0.VolumeState) { + case MPI2_RAID_VOL_STATE_OPTIMAL: + case MPI2_RAID_VOL_STATE_ONLINE: + state = RAID_STATE_ACTIVE; + break; + case MPI2_RAID_VOL_STATE_DEGRADED: + state = RAID_STATE_DEGRADED; + break; + case MPI2_RAID_VOL_STATE_FAILED: + case MPI2_RAID_VOL_STATE_MISSING: + state = RAID_STATE_OFFLINE; + break; + } + out: + raid_set_state(mpt2sas_raid_template, dev, state); +} + +/** + * _scsih_set_level - set raid level + * @sdev: scsi device struct + * @volume_type: volume type + */ +static void +_scsih_set_level(struct scsi_device *sdev, u8 volume_type) +{ + enum raid_level level = RAID_LEVEL_UNKNOWN; + + switch (volume_type) { + case MPI2_RAID_VOL_TYPE_RAID0: + level = RAID_LEVEL_0; + break; + case MPI2_RAID_VOL_TYPE_RAID10: + level = RAID_LEVEL_10; + break; + case MPI2_RAID_VOL_TYPE_RAID1E: + level = RAID_LEVEL_1E; + break; + case MPI2_RAID_VOL_TYPE_RAID1: + level = RAID_LEVEL_1; + break; + } + + raid_set_level(mpt2sas_raid_template, &sdev->sdev_gendev, level); +} + +/** * _scsih_get_volume_capabilities - volume capabilities * @ioc: per adapter object * @sas_device: the raid_device object + * + * Returns 0 for success, else 1 */ -static void +static int _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, struct _raid_device *raid_device) { @@ -1436,9 +1706,10 @@ _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, &num_pds)) || !num_pds) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, + __func__)); + return 1; } raid_device->num_pds = num_pds; @@ -1446,17 +1717,19 @@ _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, sizeof(Mpi2RaidVol0PhysDisk_t)); vol_pg0 = kzalloc(sz, GFP_KERNEL); if (!vol_pg0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, + __func__)); + return 1; } if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, + __func__)); kfree(vol_pg0); - return; + return 1; } raid_device->volume_type = vol_pg0->VolumeType; @@ -1476,6 +1749,247 @@ _scsih_get_volume_capabilities(struct MPT2SAS_ADAPTER *ioc, } kfree(vol_pg0); + return 0; +} +/** + * _scsih_disable_ddio - Disable direct I/O for all the volumes + * @ioc: per adapter object + */ +static void +_scsih_disable_ddio(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2RaidVolPage1_t vol_pg1; + Mpi2ConfigReply_t mpi_reply; + struct _raid_device *raid_device; + u16 handle; + u16 ioc_status; + unsigned long flags; + + handle = 0xFFFF; + while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, + &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + break; + handle = le16_to_cpu(vol_pg1.DevHandle); + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + if (raid_device) + raid_device->direct_io_enabled = 0; + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + } + return; +} + + +/** + * _scsih_get_num_volumes - Get number of volumes in the ioc + * @ioc: per adapter object + */ +static u8 +_scsih_get_num_volumes(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2RaidVolPage1_t vol_pg1; + Mpi2ConfigReply_t mpi_reply; + u16 handle; + u8 vol_cnt = 0; + u16 ioc_status; + + handle = 0xFFFF; + while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, + &vol_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + break; + vol_cnt++; + handle = le16_to_cpu(vol_pg1.DevHandle); + } + return vol_cnt; +} + + +/** + * _scsih_init_warpdrive_properties - Set properties for warpdrive direct I/O. + * @ioc: per adapter object + * @raid_device: the raid_device object + */ +static void +_scsih_init_warpdrive_properties(struct MPT2SAS_ADAPTER *ioc, + struct _raid_device *raid_device) +{ + Mpi2RaidVolPage0_t *vol_pg0; + Mpi2RaidPhysDiskPage0_t pd_pg0; + Mpi2ConfigReply_t mpi_reply; + u16 sz; + u8 num_pds, count; + unsigned long stripe_sz, block_sz; + u8 stripe_exp, block_exp; + u64 dev_max_lba; + + if (!ioc->is_warpdrive) + return; + + if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "globally as drives are exposed\n", ioc->name); + return; + } + if (_scsih_get_num_volumes(ioc) > 1) { + _scsih_disable_ddio(ioc); + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "globally as number of drives > 1\n", ioc->name); + return; + } + if ((mpt2sas_config_get_number_pds(ioc, raid_device->handle, + &num_pds)) || !num_pds) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Failure in computing number of drives\n", ioc->name); + return; + } + + sz = offsetof(Mpi2RaidVolPage0_t, PhysDisk) + (num_pds * + sizeof(Mpi2RaidVol0PhysDisk_t)); + vol_pg0 = kzalloc(sz, GFP_KERNEL); + if (!vol_pg0) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Memory allocation failure for RVPG0\n", ioc->name); + return; + } + + if ((mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, + MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "Failure in retrieving RVPG0\n", ioc->name); + kfree(vol_pg0); + return; + } + + /* + * WARPDRIVE:If number of physical disks in a volume exceeds the max pds + * assumed for WARPDRIVE, disable direct I/O + */ + if (num_pds > MPT_MAX_WARPDRIVE_PDS) { + printk(MPT2SAS_WARN_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x): num_mem=%d, " + "max_mem_allowed=%d\n", ioc->name, raid_device->handle, + num_pds, MPT_MAX_WARPDRIVE_PDS); + kfree(vol_pg0); + return; + } + for (count = 0; count < num_pds; count++) { + if (mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, + vol_pg0->PhysDisk[count].PhysDiskNum) || + le16_to_cpu(pd_pg0.DevHandle) == + MPT2SAS_INVALID_DEVICE_HANDLE) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " + "disabled for the drive with handle(0x%04x) member" + "handle retrieval failed for member number=%d\n", + ioc->name, raid_device->handle, + vol_pg0->PhysDisk[count].PhysDiskNum); + goto out_error; + } + /* Disable direct I/O if member drive lba exceeds 4 bytes */ + dev_max_lba = le64_to_cpu(pd_pg0.DeviceMaxLBA); + if (dev_max_lba >> 32) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is " + "disabled for the drive with handle(0x%04x) member" + "handle (0x%04x) unsupported max lba 0x%016llx\n", + ioc->name, raid_device->handle, + le16_to_cpu(pd_pg0.DevHandle), + (unsigned long long)dev_max_lba); + goto out_error; + } + + raid_device->pd_handle[count] = le16_to_cpu(pd_pg0.DevHandle); + } + + /* + * Assumption for WD: Direct I/O is not supported if the volume is + * not RAID0 + */ + if (raid_device->volume_type != MPI2_RAID_VOL_TYPE_RAID0) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x): type=%d, " + "s_sz=%uK, blk_size=%u\n", ioc->name, + raid_device->handle, raid_device->volume_type, + (le32_to_cpu(vol_pg0->StripeSize) * + le16_to_cpu(vol_pg0->BlockSize)) / 1024, + le16_to_cpu(vol_pg0->BlockSize)); + goto out_error; + } + + stripe_sz = le32_to_cpu(vol_pg0->StripeSize); + stripe_exp = find_first_bit(&stripe_sz, 32); + if (stripe_exp == 32) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x) invalid stripe sz %uK\n", + ioc->name, raid_device->handle, + (le32_to_cpu(vol_pg0->StripeSize) * + le16_to_cpu(vol_pg0->BlockSize)) / 1024); + goto out_error; + } + raid_device->stripe_exponent = stripe_exp; + block_sz = le16_to_cpu(vol_pg0->BlockSize); + block_exp = find_first_bit(&block_sz, 16); + if (block_exp == 16) { + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is disabled " + "for the drive with handle(0x%04x) invalid block sz %u\n", + ioc->name, raid_device->handle, + le16_to_cpu(vol_pg0->BlockSize)); + goto out_error; + } + raid_device->block_exponent = block_exp; + raid_device->direct_io_enabled = 1; + + printk(MPT2SAS_INFO_FMT "WarpDrive : Direct IO is Enabled for the drive" + " with handle(0x%04x)\n", ioc->name, raid_device->handle); + /* + * WARPDRIVE: Though the following fields are not used for direct IO, + * stored for future purpose: + */ + raid_device->max_lba = le64_to_cpu(vol_pg0->MaxLBA); + raid_device->stripe_sz = le32_to_cpu(vol_pg0->StripeSize); + raid_device->block_sz = le16_to_cpu(vol_pg0->BlockSize); + + + kfree(vol_pg0); + return; + +out_error: + raid_device->direct_io_enabled = 0; + for (count = 0; count < num_pds; count++) + raid_device->pd_handle[count] = 0; + kfree(vol_pg0); + return; +} + +/** + * _scsih_enable_tlr - setting TLR flags + * @ioc: per adapter object + * @sdev: scsi device struct + * + * Enabling Transaction Layer Retries for tape devices when + * vpd page 0x90 is present + * + */ +static void +_scsih_enable_tlr(struct MPT2SAS_ADAPTER *ioc, struct scsi_device *sdev) +{ + /* only for TAPE */ + if (sdev->type != TYPE_TAPE) + return; + + if (!(ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR)) + return; + + sas_enable_tlr(sdev); + sdev_printk(KERN_INFO, sdev, "TLR %s\n", + sas_is_tlr_enabled(sdev) ? "Enabled" : "Disabled"); + return; + } /** @@ -1499,27 +2013,39 @@ _scsih_slave_configure(struct scsi_device *sdev) u8 ssp_target = 0; char *ds = ""; char *r_level = ""; + u16 handle, volume_handle = 0; + u64 volume_wwid = 0; qdepth = 1; sas_device_priv_data = sdev->hostdata; sas_device_priv_data->configured_lun = 1; sas_device_priv_data->flags &= ~MPT_DEVICE_FLAGS_INIT; sas_target_priv_data = sas_device_priv_data->sas_target; + handle = sas_target_priv_data->handle; /* raid volume handling */ if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME) { spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, - sas_target_priv_data->handle); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); if (!raid_device) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return 0; + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, + __LINE__, __func__)); + return 1; } - _scsih_get_volume_capabilities(ioc, raid_device); + if (_scsih_get_volume_capabilities(ioc, raid_device)) { + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, + __LINE__, __func__)); + return 1; + } + /* + * WARPDRIVE: Initialize the required data for Direct IO + */ + _scsih_init_warpdrive_properties(ioc, raid_device); /* RAID Queue Depth Support * IS volume = underlying qdepth of drive type, either @@ -1546,7 +2072,7 @@ _scsih_slave_configure(struct scsi_device *sdev) case MPI2_RAID_VOL_TYPE_RAID1E: qdepth = MPT2SAS_RAID_QUEUE_DEPTH; if (ioc->manu_pg10.OEMIdentifier && - (ioc->manu_pg10.GenericFlags0 & + (le32_to_cpu(ioc->manu_pg10.GenericFlags0) & MFG10_GF0_R10_DISPLAY) && !(raid_device->num_pds % 2)) r_level = "RAID10"; @@ -1568,61 +2094,83 @@ _scsih_slave_configure(struct scsi_device *sdev) break; } - sdev_printk(KERN_INFO, sdev, "%s: " - "handle(0x%04x), wwid(0x%016llx), pd_count(%d), type(%s)\n", - r_level, raid_device->handle, - (unsigned long long)raid_device->wwid, - raid_device->num_pds, ds); + if (!ioc->hide_ir_msg) + sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " + "wwid(0x%016llx), pd_count(%d), type(%s)\n", + r_level, raid_device->handle, + (unsigned long long)raid_device->wwid, + raid_device->num_pds, ds); _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); + /* raid transport support */ + if (!ioc->is_warpdrive) + _scsih_set_level(sdev, raid_device->volume_type); return 0; } /* non-raid handling */ + if (sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { + if (mpt2sas_config_get_volume_handle(ioc, handle, + &volume_handle)) { + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, + __FILE__, __LINE__, __func__)); + return 1; + } + if (volume_handle && mpt2sas_config_get_volume_wwid(ioc, + volume_handle, &volume_wwid)) { + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, + __FILE__, __LINE__, __func__)); + return 1; + } + } + spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, sas_device_priv_data->sas_target->sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) { - if (sas_target_priv_data->flags & - MPT_TARGET_FLAGS_RAID_COMPONENT) { - mpt2sas_config_get_volume_handle(ioc, - sas_device->handle, &sas_device->volume_handle); - mpt2sas_config_get_volume_wwid(ioc, - sas_device->volume_handle, - &sas_device->volume_wwid); - } - if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { - qdepth = MPT2SAS_SAS_QUEUE_DEPTH; - ssp_target = 1; - ds = "SSP"; - } else { - qdepth = MPT2SAS_SATA_QUEUE_DEPTH; - if (sas_device->device_info & - MPI2_SAS_DEVICE_INFO_STP_TARGET) - ds = "STP"; - else if (sas_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - ds = "SATA"; - } + if (!sas_device) { + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + dfailprintk(ioc, printk(MPT2SAS_WARN_FMT + "failure at %s:%d/%s()!\n", ioc->name, __FILE__, + __LINE__, __func__)); + return 1; + } + sas_device->volume_handle = volume_handle; + sas_device->volume_wwid = volume_wwid; + if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SSP_TARGET) { + qdepth = MPT2SAS_SAS_QUEUE_DEPTH; + ssp_target = 1; + ds = "SSP"; + } else { + qdepth = MPT2SAS_SATA_QUEUE_DEPTH; + if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_STP_TARGET) + ds = "STP"; + else if (sas_device->device_info & + MPI2_SAS_DEVICE_INFO_SATA_DEVICE) + ds = "SATA"; + } + sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " + "sas_addr(0x%016llx), phy(%d), device_name(0x%016llx)\n", + ds, sas_device->handle, + (unsigned long long)sas_device->sas_address, + sas_device->phy, + (unsigned long long)sas_device->device_name); + sdev_printk(KERN_INFO, sdev, "%s: " + "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, + (unsigned long long) sas_device->enclosure_logical_id, + sas_device->slot); - sdev_printk(KERN_INFO, sdev, "%s: handle(0x%04x), " - "sas_addr(0x%016llx), device_name(0x%016llx)\n", - ds, sas_device->handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long)sas_device->device_name); - sdev_printk(KERN_INFO, sdev, "%s: " - "enclosure_logical_id(0x%016llx), slot(%d)\n", ds, - (unsigned long long) sas_device->enclosure_logical_id, - sas_device->slot); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (!ssp_target) + _scsih_display_sata_capabilities(ioc, handle, sdev); - if (!ssp_target) - _scsih_display_sata_capabilities(ioc, sas_device, sdev); - } _scsih_change_queue_depth(sdev, qdepth, SCSI_QDEPTH_DEFAULT); - if (ssp_target) + if (ssp_target) { sas_read_port_mode_page(sdev); + _scsih_enable_tlr(ioc, sdev); + } return 0; } @@ -1741,6 +2289,7 @@ _scsih_tm_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) return 1; if (ioc->tm_cmds.smid != smid) return 1; + mpt2sas_base_flush_reply_queues(ioc); ioc->tm_cmds.status |= MPT2_CMD_COMPLETE; mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); if (mpi_reply) { @@ -1808,67 +2357,86 @@ mpt2sas_scsih_clear_tm_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) } } + /** * mpt2sas_scsih_issue_tm - main routine for sending tm requests * @ioc: per adapter struct * @device_handle: device handle + * @channel: the channel assigned by the OS + * @id: the id assigned by the OS * @lun: lun number * @type: MPI2_SCSITASKMGMT_TASKTYPE__XXX (defined in mpi2_init.h) * @smid_task: smid assigned to the task * @timeout: timeout in seconds - * Context: The calling function needs to acquire the tm_cmds.mutex + * @m_type: TM_MUTEX_ON or TM_MUTEX_OFF + * Context: user * * A generic API for sending task management requests to firmware. * - * The ioc->tm_cmds.status flag should be MPT2_CMD_NOT_USED before calling - * this API. - * * The callback index is set inside `ioc->tm_cb_idx`. * - * Return nothing. + * Return SUCCESS or FAILED. */ -void -mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, - u8 type, u16 smid_task, ulong timeout) +int +mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint channel, + uint id, uint lun, u8 type, u16 smid_task, ulong timeout, + enum mutex_type m_type) { Mpi2SCSITaskManagementRequest_t *mpi_request; Mpi2SCSITaskManagementReply_t *mpi_reply; u16 smid = 0; u32 ioc_state; unsigned long timeleft; + struct scsiio_tracker *scsi_lookup = NULL; + int rc; + if (m_type == TM_MUTEX_ON) + mutex_lock(&ioc->tm_cmds.mutex); if (ioc->tm_cmds.status != MPT2_CMD_NOT_USED) { printk(MPT2SAS_INFO_FMT "%s: tm_cmd busy!!!\n", __func__, ioc->name); - return; + rc = FAILED; + goto err_out; } - if (ioc->shost_recovery) { + if (ioc->shost_recovery || ioc->remove_host || + ioc->pci_error_recovery) { printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", __func__, ioc->name); - return; + rc = FAILED; + goto err_out; } ioc_state = mpt2sas_base_get_iocstate(ioc, 0); if (ioc_state & MPI2_DOORBELL_USED) { - dhsprintk(ioc, printk(MPT2SAS_DEBUG_FMT "unexpected doorbell " + dhsprintk(ioc, printk(MPT2SAS_INFO_FMT "unexpected doorbell " "active!\n", ioc->name)); - goto issue_host_reset; + rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, + FORCE_BIG_HAMMER); + rc = (!rc) ? SUCCESS : FAILED; + goto err_out; } if ((ioc_state & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { mpt2sas_base_fault_info(ioc, ioc_state & MPI2_DOORBELL_DATA_MASK); - goto issue_host_reset; + rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, + FORCE_BIG_HAMMER); + rc = (!rc) ? SUCCESS : FAILED; + goto err_out; } smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_cb_idx); if (!smid) { printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", ioc->name, __func__); - return; + rc = FAILED; + goto err_out; } + if (type == MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK) + scsi_lookup = &ioc->scsi_lookup[smid_task - 1]; + dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "sending tm: handle(0x%04x)," " task_type(0x%02x), smid(%d)\n", ioc->name, handle, type, smid_task)); @@ -1876,25 +2444,29 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); ioc->tm_cmds.smid = smid; memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); + memset(ioc->tm_cmds.reply, 0, sizeof(Mpi2SCSITaskManagementReply_t)); mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; mpi_request->DevHandle = cpu_to_le16(handle); mpi_request->TaskType = type; mpi_request->TaskMID = cpu_to_le16(smid_task); - mpi_request->VP_ID = 0; /* TODO */ - mpi_request->VF_ID = 0; int_to_scsilun(lun, (struct scsi_lun *)mpi_request->LUN); mpt2sas_scsih_set_tm_flag(ioc, handle); init_completion(&ioc->tm_cmds.done); mpt2sas_base_put_smid_hi_priority(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->tm_cmds.done, timeout*HZ); - mpt2sas_scsih_clear_tm_flag(ioc, handle); if (!(ioc->tm_cmds.status & MPT2_CMD_COMPLETE)) { printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, __func__); _debug_dump_mf(mpi_request, sizeof(Mpi2SCSITaskManagementRequest_t)/4); - if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) - goto issue_host_reset; + if (!(ioc->tm_cmds.status & MPT2_CMD_RESET)) { + rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, + FORCE_BIG_HAMMER); + rc = (!rc) ? SUCCESS : FAILED; + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; + mpt2sas_scsih_clear_tm_flag(ioc, handle); + goto err_out; + } } if (ioc->tm_cmds.status & MPT2_CMD_REPLY_VALID) { @@ -1904,17 +2476,115 @@ mpt2sas_scsih_issue_tm(struct MPT2SAS_ADAPTER *ioc, u16 handle, uint lun, ioc->name, le16_to_cpu(mpi_reply->IOCStatus), le32_to_cpu(mpi_reply->IOCLogInfo), le32_to_cpu(mpi_reply->TerminationCount))); - if (ioc->logging_level & MPT_DEBUG_TM) + if (ioc->logging_level & MPT_DEBUG_TM) { _scsih_response_code(ioc, mpi_reply->ResponseCode); + if (mpi_reply->IOCStatus) + _debug_dump_mf(mpi_request, + sizeof(Mpi2SCSITaskManagementRequest_t)/4); + } + } + + switch (type) { + case MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK: + rc = SUCCESS; + if (scsi_lookup->scmd == NULL) + break; + rc = FAILED; + break; + + case MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET: + if (_scsih_scsi_lookup_find_by_target(ioc, id, channel)) + rc = FAILED; + else + rc = SUCCESS; + break; + + case MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET: + case MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET: + if (_scsih_scsi_lookup_find_by_lun(ioc, id, lun, channel)) + rc = FAILED; + else + rc = SUCCESS; + break; + case MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK: + rc = SUCCESS; + break; + default: + rc = FAILED; + break; + } + + mpt2sas_scsih_clear_tm_flag(ioc, handle); + ioc->tm_cmds.status = MPT2_CMD_NOT_USED; + if (m_type == TM_MUTEX_ON) + mutex_unlock(&ioc->tm_cmds.mutex); + + return rc; + + err_out: + if (m_type == TM_MUTEX_ON) + mutex_unlock(&ioc->tm_cmds.mutex); + return rc; +} + +/** + * _scsih_tm_display_info - displays info about the device + * @ioc: per adapter struct + * @scmd: pointer to scsi command object + * + * Called by task management callback handlers. + */ +static void +_scsih_tm_display_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) +{ + struct scsi_target *starget = scmd->device->sdev_target; + struct MPT2SAS_TARGET *priv_target = starget->hostdata; + struct _sas_device *sas_device = NULL; + unsigned long flags; + char *device_str = NULL; + + if (!priv_target) + return; + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; + + scsi_print_command(scmd); + if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { + starget_printk(KERN_INFO, starget, "%s handle(0x%04x), " + "%s wwid(0x%016llx)\n", device_str, priv_target->handle, + device_str, (unsigned long long)priv_target->sas_address); + } else { + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + priv_target->sas_address); + if (sas_device) { + if (priv_target->flags & + MPT_TARGET_FLAGS_RAID_COMPONENT) { + starget_printk(KERN_INFO, starget, + "volume handle(0x%04x), " + "volume wwid(0x%016llx)\n", + sas_device->volume_handle, + (unsigned long long)sas_device->volume_wwid); + } + starget_printk(KERN_INFO, starget, + "handle(0x%04x), sas_address(0x%016llx), phy(%d)\n", + sas_device->handle, + (unsigned long long)sas_device->sas_address, + sas_device->phy); + starget_printk(KERN_INFO, starget, + "enclosure_logical_id(0x%016llx), slot(%d)\n", + (unsigned long long)sas_device->enclosure_logical_id, + sas_device->slot); + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } - return; - issue_host_reset: - mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); } /** * _scsih_abort - eh threads main abort routine - * @sdev: scsi device struct + * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ @@ -1926,16 +2596,15 @@ _scsih_abort(struct scsi_cmnd *scmd) u16 smid; u16 handle; int r; - struct scsi_cmnd *scmd_lookup; - printk(MPT2SAS_INFO_FMT "attempting task abort! scmd(%p)\n", - ioc->name, scmd); - scsi_print_command(scmd); + sdev_printk(KERN_INFO, scmd->device, "attempting task abort! " + "scmd(%p)\n", scmd); + _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", - ioc->name, scmd); + sdev_printk(KERN_INFO, scmd->device, "device been deleted! " + "scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); r = SUCCESS; @@ -1961,29 +2630,20 @@ _scsih_abort(struct scsi_cmnd *scmd) mpt2sas_halt_firmware(ioc); - mutex_lock(&ioc->tm_cmds.mutex); handle = sas_device_priv_data->sas_target->handle; - mpt2sas_scsih_issue_tm(ioc, handle, sas_device_priv_data->lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30); - - /* sanity check - see whether command actually completed */ - scmd_lookup = _scsih_scsi_lookup_get(ioc, smid); - if (scmd_lookup && (scmd_lookup->serial_number == scmd->serial_number)) - r = FAILED; - else - r = SUCCESS; - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->tm_cmds.mutex); + r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, + scmd->device->id, scmd->device->lun, + MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, TM_MUTEX_ON); out: - printk(MPT2SAS_INFO_FMT "task abort: %s scmd(%p)\n", - ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + sdev_printk(KERN_INFO, scmd->device, "task abort: %s scmd(%p)\n", + ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); return r; } /** * _scsih_dev_reset - eh threads main device reset routine - * @sdev: scsi device struct + * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ @@ -1997,14 +2657,16 @@ _scsih_dev_reset(struct scsi_cmnd *scmd) u16 handle; int r; - printk(MPT2SAS_INFO_FMT "attempting device reset! scmd(%p)\n", - ioc->name, scmd); - scsi_print_command(scmd); + struct scsi_target *starget = scmd->device->sdev_target; + + starget_printk(KERN_INFO, starget, "attempting device reset! " + "scmd(%p)\n", scmd); + _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - printk(MPT2SAS_INFO_FMT "device been deleted! scmd(%p)\n", - ioc->name, scmd); + starget_printk(KERN_INFO, starget, "device been deleted! " + "scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); r = SUCCESS; @@ -2030,32 +2692,19 @@ _scsih_dev_reset(struct scsi_cmnd *scmd) goto out; } - mutex_lock(&ioc->tm_cmds.mutex); - mpt2sas_scsih_issue_tm(ioc, handle, 0, - MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, scmd->device->lun, - 30); - - /* - * sanity check see whether all commands to this device been - * completed - */ - if (_scsih_scsi_lookup_find_by_lun(ioc, scmd->device->id, - scmd->device->lun, scmd->device->channel)) - r = FAILED; - else - r = SUCCESS; - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->tm_cmds.mutex); + r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, + scmd->device->id, scmd->device->lun, + MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET, 0, 30, TM_MUTEX_ON); out: - printk(MPT2SAS_INFO_FMT "device reset: %s scmd(%p)\n", - ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", + ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); return r; } /** * _scsih_target_reset - eh threads main target reset routine - * @sdev: scsi device struct + * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ @@ -2068,15 +2717,16 @@ _scsih_target_reset(struct scsi_cmnd *scmd) unsigned long flags; u16 handle; int r; + struct scsi_target *starget = scmd->device->sdev_target; - printk(MPT2SAS_INFO_FMT "attempting target reset! scmd(%p)\n", - ioc->name, scmd); - scsi_print_command(scmd); + starget_printk(KERN_INFO, starget, "attempting target reset! " + "scmd(%p)\n", scmd); + _scsih_tm_display_info(ioc, scmd); sas_device_priv_data = scmd->device->hostdata; if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { - printk(MPT2SAS_INFO_FMT "target been deleted! scmd(%p)\n", - ioc->name, scmd); + starget_printk(KERN_INFO, starget, "target been deleted! " + "scmd(%p)\n", scmd); scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); r = SUCCESS; @@ -2102,31 +2752,19 @@ _scsih_target_reset(struct scsi_cmnd *scmd) goto out; } - mutex_lock(&ioc->tm_cmds.mutex); - mpt2sas_scsih_issue_tm(ioc, handle, 0, - MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 30); - - /* - * sanity check see whether all commands to this target been - * completed - */ - if (_scsih_scsi_lookup_find_by_target(ioc, scmd->device->id, - scmd->device->channel)) - r = FAILED; - else - r = SUCCESS; - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->tm_cmds.mutex); + r = mpt2sas_scsih_issue_tm(ioc, handle, scmd->device->channel, + scmd->device->id, 0, MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, + 30, TM_MUTEX_ON); out: - printk(MPT2SAS_INFO_FMT "target reset: %s scmd(%p)\n", - ioc->name, ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", + ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); return r; } /** * _scsih_host_reset - eh threads main host reset routine - * @sdev: scsi device struct + * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ @@ -2170,8 +2808,9 @@ _scsih_fw_event_add(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) spin_lock_irqsave(&ioc->fw_event_lock, flags); list_add_tail(&fw_event->list, &ioc->fw_event_list); - INIT_WORK(&fw_event->work, _firmware_event_work); - queue_work(ioc->firmware_event_thread, &fw_event->work); + INIT_DELAYED_WORK(&fw_event->delayed_work, _firmware_event_work); + queue_delayed_work(ioc->firmware_event_thread, + &fw_event->delayed_work, 0); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2198,63 +2837,101 @@ _scsih_fw_event_free(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } + /** - * _scsih_fw_event_add - requeue an event + * _scsih_error_recovery_delete_devices - remove devices not responding * @ioc: per adapter object - * @fw_event: object describing the event - * Context: This function will acquire ioc->fw_event_lock. * * Return nothing. */ static void -_scsih_fw_event_requeue(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work - *fw_event, unsigned long delay) +_scsih_error_recovery_delete_devices(struct MPT2SAS_ADAPTER *ioc) { - unsigned long flags; - if (ioc->firmware_event_thread == NULL) + struct fw_event_work *fw_event; + + if (ioc->is_driver_loading) return; - spin_lock_irqsave(&ioc->fw_event_lock, flags); - queue_work(ioc->firmware_event_thread, &fw_event->work); - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + if (!fw_event) + return; + + fw_event->event = MPT2SAS_REMOVE_UNRESPONDING_DEVICES; + fw_event->ioc = ioc; + _scsih_fw_event_add(ioc, fw_event); +} + +/** + * mpt2sas_port_enable_complete - port enable completed (fake event) + * @ioc: per adapter object + * + * Return nothing. + */ +void +mpt2sas_port_enable_complete(struct MPT2SAS_ADAPTER *ioc) +{ + struct fw_event_work *fw_event; + + fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + if (!fw_event) + return; + fw_event->event = MPT2SAS_PORT_ENABLE_COMPLETE; + fw_event->ioc = ioc; + _scsih_fw_event_add(ioc, fw_event); } /** - * _scsih_fw_event_off - turn flag off preventing event handling + * _scsih_fw_event_cleanup_queue - cleanup event queue * @ioc: per adapter object * - * Used to prevent handling of firmware events during adapter reset - * driver unload. + * Walk the firmware event queue, either killing timers, or waiting + * for outstanding events to complete * * Return nothing. */ static void -_scsih_fw_event_off(struct MPT2SAS_ADAPTER *ioc) +_scsih_fw_event_cleanup_queue(struct MPT2SAS_ADAPTER *ioc) { - unsigned long flags; + struct fw_event_work *fw_event, *next; - spin_lock_irqsave(&ioc->fw_event_lock, flags); - ioc->fw_events_off = 1; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + if (list_empty(&ioc->fw_event_list) || + !ioc->firmware_event_thread || in_interrupt()) + return; + list_for_each_entry_safe(fw_event, next, &ioc->fw_event_list, list) { + if (cancel_delayed_work(&fw_event->delayed_work)) { + _scsih_fw_event_free(ioc, fw_event); + continue; + } + fw_event->cancel_pending_work = 1; + } } /** - * _scsih_fw_event_on - turn flag on allowing firmware event handling + * _scsih_ublock_io_all_device - unblock every device * @ioc: per adapter object * - * Returns nothing. + * change the device state from block to running */ static void -_scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc) +_scsih_ublock_io_all_device(struct MPT2SAS_ADAPTER *ioc) { - unsigned long flags; + struct MPT2SAS_DEVICE *sas_device_priv_data; + struct scsi_device *sdev; - spin_lock_irqsave(&ioc->fw_event_lock, flags); - ioc->fw_events_off = 0; - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + shost_for_each_device(sdev, ioc->shost) { + sas_device_priv_data = sdev->hostdata; + if (!sas_device_priv_data) + continue; + if (!sas_device_priv_data->block) + continue; + sas_device_priv_data->block = 0; + dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_running, " + "handle(0x%04x)\n", + sas_device_priv_data->sas_target->handle)); + scsi_internal_device_unblock(sdev, SDEV_RUNNING); + } } - /** * _scsih_ublock_io_device - set the device state to SDEV_RUNNING * @ioc: per adapter object @@ -2263,7 +2940,7 @@ _scsih_fw_event_on(struct MPT2SAS_ADAPTER *ioc) * During device pull we need to appropiately set the sdev state. */ static void -_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) +_scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) { struct MPT2SAS_DEVICE *sas_device_priv_data; struct scsi_device *sdev; @@ -2274,17 +2951,47 @@ _scsih_ublock_io_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) continue; if (!sas_device_priv_data->block) continue; - if (sas_device_priv_data->sas_target->handle == handle) { + if (sas_device_priv_data->sas_target->sas_address == + sas_address) { dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, MPT2SAS_INFO_FMT "SDEV_RUNNING: " - "handle(0x%04x)\n", ioc->name, handle)); + "sas address(0x%016llx)\n", ioc->name, + (unsigned long long)sas_address)); sas_device_priv_data->block = 0; - scsi_internal_device_unblock(sdev); + scsi_internal_device_unblock(sdev, SDEV_RUNNING); } } } /** + * _scsih_block_io_all_device - set the device state to SDEV_BLOCK + * @ioc: per adapter object + * @handle: device handle + * + * During device pull we need to appropiately set the sdev state. + */ +static void +_scsih_block_io_all_device(struct MPT2SAS_ADAPTER *ioc) +{ + struct MPT2SAS_DEVICE *sas_device_priv_data; + struct scsi_device *sdev; + + shost_for_each_device(sdev, ioc->shost) { + sas_device_priv_data = sdev->hostdata; + if (!sas_device_priv_data) + continue; + if (sas_device_priv_data->block) + continue; + sas_device_priv_data->block = 1; + dewtprintk(ioc, sdev_printk(KERN_INFO, sdev, "device_blocked, " + "handle(0x%04x)\n", + sas_device_priv_data->sas_target->handle)); + scsi_internal_device_block(sdev); + } +} + + +/** * _scsih_block_io_device - set the device state to SDEV_BLOCK * @ioc: per adapter object * @handle: device handle @@ -2342,10 +3049,10 @@ _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, mpt2sas_port->remote_identify.sas_address); + if (sas_device) + set_bit(sas_device->handle, + ioc->blocking_handles); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - continue; - _scsih_block_io_device(ioc, sas_device->handle); } } @@ -2353,15 +3060,12 @@ _scsih_block_io_to_children_attached_to_ex(struct MPT2SAS_ADAPTER *ioc, &sas_expander->sas_port_list, port_list) { if (mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || + SAS_EDGE_EXPANDER_DEVICE || mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { - - spin_lock_irqsave(&ioc->sas_node_lock, flags); + SAS_FANOUT_EXPANDER_DEVICE) { expander_sibling = mpt2sas_scsih_expander_find_by_sas_address( ioc, mpt2sas_port->remote_identify.sas_address); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); _scsih_block_io_to_children_attached_to_ex(ioc, expander_sibling); } @@ -2403,10 +3107,10 @@ _scsih_block_io_to_children_attached_directly(struct MPT2SAS_ADAPTER *ioc, * @handle: device handle * Context: interrupt time. * - * This code is to initiate the device removal handshake protocal + * This code is to initiate the device removal handshake protocol * with controller firmware. This function will issue target reset * using high priority request queue. It will send a sas iounit - * controll request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. + * control request (MPI2_SAS_OP_REMOVE_DEVICE) from this completion. * * This is designed to send muliple task management request at the same * time to the fifo. If the fifo is full, we will append the request, @@ -2416,25 +3120,53 @@ static void _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) { Mpi2SCSITaskManagementRequest_t *mpi_request; - struct MPT2SAS_TARGET *sas_target_priv_data; u16 smid; struct _sas_device *sas_device; + struct MPT2SAS_TARGET *sas_target_priv_data = NULL; + u64 sas_address = 0; unsigned long flags; struct _tr_list *delayed_tr; + u32 ioc_state; - if (ioc->shost_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); + if (ioc->remove_host) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " + "removed: handle(0x%04x)\n", __func__, ioc->name, handle)); + return; + } else if (ioc->pci_error_recovery) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " + "error recovery: handle(0x%04x)\n", __func__, ioc->name, + handle)); + return; + } + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " + "operational: handle(0x%04x)\n", __func__, ioc->name, + handle)); return; } + /* if PD, then return */ + if (test_bit(handle, ioc->pd_handles)) + return; + spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + if (sas_device && sas_device->starget && + sas_device->starget->hostdata) { + sas_target_priv_data = sas_device->starget->hostdata; + sas_target_priv_data->deleted = 1; + sas_address = sas_device->sas_address; + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - /* skip is hidden raid component */ - if (sas_device && sas_device->hidden_raid_component) - return; + if (sas_target_priv_data) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting delete flag: " + "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, handle, + (unsigned long long)sas_address)); + _scsih_ublock_io_device(ioc, sas_address); + sas_target_priv_data->handle = MPT2SAS_INVALID_DEVICE_HANDLE; + } smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_cb_idx); if (!smid) { @@ -2443,36 +3175,16 @@ _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) return; INIT_LIST_HEAD(&delayed_tr->list); delayed_tr->handle = handle; - delayed_tr->state = MPT2SAS_REQ_SAS_CNTRL; - list_add_tail(&delayed_tr->list, - &ioc->delayed_tr_list); - if (sas_device && sas_device->starget) { - dewtprintk(ioc, starget_printk(KERN_INFO, - sas_device->starget, "DELAYED:tr:handle(0x%04x), " - "(open)\n", handle)); - } else { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "DELAYED:tr:handle(0x%04x), (open)\n", - ioc->name, handle)); - } - return; - } - - if (sas_device) { - sas_device->state |= MPTSAS_STATE_TR_SEND; - sas_device->state |= MPT2SAS_REQ_SAS_CNTRL; - if (sas_device->starget && sas_device->starget->hostdata) { - sas_target_priv_data = sas_device->starget->hostdata; - sas_target_priv_data->tm_busy = 1; - dewtprintk(ioc, starget_printk(KERN_INFO, - sas_device->starget, "tr:handle(0x%04x), (open)\n", - handle)); - } - } else { + list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr:handle(0x%04x), (open)\n", ioc->name, handle)); + "DELAYED:tr:handle(0x%04x), (open)\n", + ioc->name, handle)); + return; } + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " + "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, + ioc->tm_tr_cb_idx)); mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; @@ -2491,9 +3203,9 @@ _scsih_tm_tr_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) * @reply: reply message frame(lower 32bit addr) * Context: interrupt time. * - * This is the sas iounit controll completion routine. + * This is the sas iounit control completion routine. * This code is part of the code to initiate the device removal - * handshake protocal with controller firmware. + * handshake protocol with controller firmware. * * Return 1 meaning mf should be freed from _base_interrupt * 0 means the mf is freed from this function. @@ -2502,36 +3214,119 @@ static u8 _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) { - unsigned long flags; - u16 handle; - struct _sas_device *sas_device; Mpi2SasIoUnitControlReply_t *mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); + if (likely(mpi_reply)) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "sc_complete:handle(0x%04x), (open) " + "smid(%d), ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, le16_to_cpu(mpi_reply->DevHandle), smid, + le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo))); + } else { + printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + } + return 1; +} - handle = le16_to_cpu(mpi_reply->DevHandle); +/** + * _scsih_tm_tr_volume_send - send target reset request for volumes + * @ioc: per adapter object + * @handle: device handle + * Context: interrupt time. + * + * This is designed to send muliple task management request at the same + * time to the fifo. If the fifo is full, we will append the request, + * and process it in a future completion. + */ +static void +_scsih_tm_tr_volume_send(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + Mpi2SCSITaskManagementRequest_t *mpi_request; + u16 smid; + struct _tr_list *delayed_tr; - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (ioc->shost_recovery || ioc->remove_host || + ioc->pci_error_recovery) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " + "progress!\n", __func__, ioc->name)); + return; + } - if (sas_device) { - sas_device->state |= MPTSAS_STATE_CNTRL_COMPLETE; - if (sas_device->starget) - dewtprintk(ioc, starget_printk(KERN_INFO, - sas_device->starget, - "sc_complete:handle(0x%04x), " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - handle, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo))); - } else { + smid = mpt2sas_base_get_smid_hpr(ioc, ioc->tm_tr_volume_cb_idx); + if (!smid) { + delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); + if (!delayed_tr) + return; + INIT_LIST_HEAD(&delayed_tr->list); + delayed_tr->handle = handle; + list_add_tail(&delayed_tr->list, &ioc->delayed_tr_volume_list); dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "sc_complete:handle(0x%04x), " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, handle, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo))); + "DELAYED:tr:handle(0x%04x), (open)\n", + ioc->name, handle)); + return; } - return 1; + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "tr_send:handle(0x%04x), " + "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid, + ioc->tm_tr_volume_cb_idx)); + mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); + memset(mpi_request, 0, sizeof(Mpi2SCSITaskManagementRequest_t)); + mpi_request->Function = MPI2_FUNCTION_SCSI_TASK_MGMT; + mpi_request->DevHandle = cpu_to_le16(handle); + mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; + mpt2sas_base_put_smid_hi_priority(ioc, smid); +} + +/** + * _scsih_tm_volume_tr_complete - target reset completion + * @ioc: per adapter object + * @smid: system request message index + * @msix_index: MSIX table index supplied by the OS + * @reply: reply message frame(lower 32bit addr) + * Context: interrupt time. + * + * Return 1 meaning mf should be freed from _base_interrupt + * 0 means the mf is freed from this function. + */ +static u8 +_scsih_tm_volume_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, + u8 msix_index, u32 reply) +{ + u16 handle; + Mpi2SCSITaskManagementRequest_t *mpi_request_tm; + Mpi2SCSITaskManagementReply_t *mpi_reply = + mpt2sas_base_get_reply_virt_addr(ioc, reply); + + if (ioc->shost_recovery || ioc->remove_host || + ioc->pci_error_recovery) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host reset in " + "progress!\n", __func__, ioc->name)); + return 1; + } + if (unlikely(!mpi_reply)) { + printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return 1; + } + mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); + handle = le16_to_cpu(mpi_request_tm->DevHandle); + if (handle != le16_to_cpu(mpi_reply->DevHandle)) { + dewtprintk(ioc, printk("spurious interrupt: " + "handle(0x%04x:0x%04x), smid(%d)!!!\n", handle, + le16_to_cpu(mpi_reply->DevHandle), smid)); + return 0; + } + + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " + "loginfo(0x%08x), completed(%d)\n", ioc->name, + handle, smid, le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo), + le32_to_cpu(mpi_reply->TerminationCount))); + + return _scsih_check_for_pending_tm(ioc, smid); } /** @@ -2544,8 +3339,8 @@ _scsih_sas_control_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, * * This is the target reset completion routine. * This code is part of the code to initiate the device removal - * handshake protocal with controller firmware. - * It will send a sas iounit controll request (MPI2_SAS_OP_REMOVE_DEVICE) + * handshake protocol with controller firmware. + * It will send a sas iounit control request (MPI2_SAS_OP_REMOVE_DEVICE) * * Return 1 meaning mf should be freed from _base_interrupt * 0 means the mf is freed from this function. @@ -2554,87 +3349,107 @@ static u8 _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) { - unsigned long flags; u16 handle; - struct _sas_device *sas_device; + Mpi2SCSITaskManagementRequest_t *mpi_request_tm; Mpi2SCSITaskManagementReply_t *mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); Mpi2SasIoUnitControlRequest_t *mpi_request; u16 smid_sas_ctrl; - struct MPT2SAS_TARGET *sas_target_priv_data; - struct _tr_list *delayed_tr; - u8 rc; - - handle = le16_to_cpu(mpi_reply->DevHandle); - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + u32 ioc_state; - if (sas_device) { - sas_device->state |= MPTSAS_STATE_TR_COMPLETE; - if (sas_device->starget) { - dewtprintk(ioc, starget_printk(KERN_INFO, - sas_device->starget, "tr_complete:handle(0x%04x), " - "(%s) ioc_status(0x%04x), loginfo(0x%08x), " - "completed(%d)\n", sas_device->handle, - (sas_device->state & MPT2SAS_REQ_SAS_CNTRL) ? - "open" : "active", - le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); - if (sas_device->starget->hostdata) { - sas_target_priv_data = - sas_device->starget->hostdata; - sas_target_priv_data->tm_busy = 0; - } - } - } else { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "tr_complete:handle(0x%04x), (open) ioc_status(0x%04x), " - "loginfo(0x%08x), completed(%d)\n", ioc->name, - handle, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo), - le32_to_cpu(mpi_reply->TerminationCount))); + if (ioc->remove_host) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host has been " + "removed\n", __func__, ioc->name)); + return 1; + } else if (ioc->pci_error_recovery) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host in pci " + "error recovery\n", __func__, ioc->name)); + return 1; } - - if (!list_empty(&ioc->delayed_tr_list)) { - delayed_tr = list_entry(ioc->delayed_tr_list.next, - struct _tr_list, list); - mpt2sas_base_free_smid(ioc, smid); - if (delayed_tr->state & MPT2SAS_REQ_SAS_CNTRL) - _scsih_tm_tr_send(ioc, delayed_tr->handle); - list_del(&delayed_tr->list); - kfree(delayed_tr); - rc = 0; /* tells base_interrupt not to free mf */ - } else - rc = 1; - - if (sas_device && !(sas_device->state & MPT2SAS_REQ_SAS_CNTRL)) - return rc; - - if (ioc->shost_recovery) { - printk(MPT2SAS_INFO_FMT "%s: host reset in progress!\n", - __func__, ioc->name); - return rc; + ioc_state = mpt2sas_base_get_iocstate(ioc, 1); + if (ioc_state != MPI2_IOC_STATE_OPERATIONAL) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: host is not " + "operational\n", __func__, ioc->name)); + return 1; + } + if (unlikely(!mpi_reply)) { + printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return 1; + } + mpi_request_tm = mpt2sas_base_get_msg_frame(ioc, smid); + handle = le16_to_cpu(mpi_request_tm->DevHandle); + if (handle != le16_to_cpu(mpi_reply->DevHandle)) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "spurious interrupt: " + "handle(0x%04x:0x%04x), smid(%d)!!!\n", ioc->name, handle, + le16_to_cpu(mpi_reply->DevHandle), smid)); + return 0; } + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "tr_complete:handle(0x%04x), (open) smid(%d), ioc_status(0x%04x), " + "loginfo(0x%08x), completed(%d)\n", ioc->name, + handle, smid, le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo), + le32_to_cpu(mpi_reply->TerminationCount))); + smid_sas_ctrl = mpt2sas_base_get_smid(ioc, ioc->tm_sas_control_cb_idx); if (!smid_sas_ctrl) { printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", ioc->name, __func__); - return rc; + return 1; } - if (sas_device) - sas_device->state |= MPTSAS_STATE_CNTRL_SEND; - + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sc_send:handle(0x%04x), " + "(open), smid(%d), cb(%d)\n", ioc->name, handle, smid_sas_ctrl, + ioc->tm_sas_control_cb_idx)); mpi_request = mpt2sas_base_get_msg_frame(ioc, smid_sas_ctrl); memset(mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); mpi_request->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; mpi_request->Operation = MPI2_SAS_OP_REMOVE_DEVICE; - mpi_request->DevHandle = mpi_reply->DevHandle; + mpi_request->DevHandle = mpi_request_tm->DevHandle; mpt2sas_base_put_smid_default(ioc, smid_sas_ctrl); - return rc; + + return _scsih_check_for_pending_tm(ioc, smid); +} + +/** + * _scsih_check_for_pending_tm - check for pending task management + * @ioc: per adapter object + * @smid: system request message index + * + * This will check delayed target reset list, and feed the + * next reqeust. + * + * Return 1 meaning mf should be freed from _base_interrupt + * 0 means the mf is freed from this function. + */ +static u8 +_scsih_check_for_pending_tm(struct MPT2SAS_ADAPTER *ioc, u16 smid) +{ + struct _tr_list *delayed_tr; + + if (!list_empty(&ioc->delayed_tr_volume_list)) { + delayed_tr = list_entry(ioc->delayed_tr_volume_list.next, + struct _tr_list, list); + mpt2sas_base_free_smid(ioc, smid); + _scsih_tm_tr_volume_send(ioc, delayed_tr->handle); + list_del(&delayed_tr->list); + kfree(delayed_tr); + return 0; + } + + if (!list_empty(&ioc->delayed_tr_list)) { + delayed_tr = list_entry(ioc->delayed_tr_list.next, + struct _tr_list, list); + mpt2sas_base_free_smid(ioc, smid); + _scsih_tm_tr_send(ioc, delayed_tr->handle); + list_del(&delayed_tr->list); + kfree(delayed_tr); + return 0; + } + + return 1; } /** @@ -2644,7 +3459,7 @@ _scsih_tm_tr_complete(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, * * This routine added to better handle cable breaker. * - * This handles the case where driver recieves multiple expander + * This handles the case where driver receives multiple expander * add and delete events in a single shot. When there is a delete event * the routine will void any pending add events waiting in the event queue. * @@ -2663,9 +3478,6 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, u16 handle; for (i = 0 ; i < event_data->NumEntries; i++) { - if (event_data->PHY[i].PhyStatus & - MPI2_EVENT_SAS_TOPO_PHYSTATUS_VACANT) - continue; handle = le16_to_cpu(event_data->PHY[i].AttachedDevHandle); if (!handle) continue; @@ -2680,14 +3492,20 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, _scsih_block_io_to_children_attached_directly(ioc, event_data); return; } - - if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING - || event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING) { + if (event_data->ExpStatus == + MPI2_EVENT_SAS_TOPO_ES_DELAY_NOT_RESPONDING) { + /* put expander attached devices into blocking state */ spin_lock_irqsave(&ioc->sas_node_lock, flags); sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, expander_handle); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); _scsih_block_io_to_children_attached_to_ex(ioc, sas_expander); + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); + do { + handle = find_first_bit(ioc->blocking_handles, + ioc->facts.MaxDevHandle); + if (handle < ioc->facts.MaxDevHandle) + _scsih_block_io_device(ioc, handle); + } while (test_and_clear_bit(handle, ioc->blocking_handles)); } else if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_RESPONDING) _scsih_block_io_to_children_attached_directly(ioc, event_data); @@ -2707,7 +3525,7 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, MPI2_EVENT_SAS_TOPO_ES_RESPONDING) { if (le16_to_cpu(local_event_data->ExpanderDevHandle) == expander_handle) { - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "setting ignoring flag\n", ioc->name)); fw_event->ignore = 1; } @@ -2717,6 +3535,168 @@ _scsih_check_topo_delete_events(struct MPT2SAS_ADAPTER *ioc, } /** + * _scsih_set_volume_delete_flag - setting volume delete flag + * @ioc: per adapter object + * @handle: device handle + * + * This + * Return nothing. + */ +static void +_scsih_set_volume_delete_flag(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + struct _raid_device *raid_device; + struct MPT2SAS_TARGET *sas_target_priv_data; + unsigned long flags; + + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + if (raid_device && raid_device->starget && + raid_device->starget->hostdata) { + sas_target_priv_data = + raid_device->starget->hostdata; + sas_target_priv_data->deleted = 1; + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "setting delete flag: handle(0x%04x), " + "wwid(0x%016llx)\n", ioc->name, handle, + (unsigned long long) raid_device->wwid)); + } + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); +} + +/** + * _scsih_set_volume_handle_for_tr - set handle for target reset to volume + * @handle: input handle + * @a: handle for volume a + * @b: handle for volume b + * + * IR firmware only supports two raid volumes. The purpose of this + * routine is to set the volume handle in either a or b. When the given + * input handle is non-zero, or when a and b have not been set before. + */ +static void +_scsih_set_volume_handle_for_tr(u16 handle, u16 *a, u16 *b) +{ + if (!handle || handle == *a || handle == *b) + return; + if (!*a) + *a = handle; + else if (!*b) + *b = handle; +} + +/** + * _scsih_check_ir_config_unhide_events - check for UNHIDE events + * @ioc: per adapter object + * @event_data: the event data payload + * Context: interrupt time. + * + * This routine will send target reset to volume, followed by target + * resets to the PDs. This is called when a PD has been removed, or + * volume has been deleted or removed. When the target reset is sent + * to volume, the PD target resets need to be queued to start upon + * completion of the volume target reset. + * + * Return nothing. + */ +static void +_scsih_check_ir_config_unhide_events(struct MPT2SAS_ADAPTER *ioc, + Mpi2EventDataIrConfigChangeList_t *event_data) +{ + Mpi2EventIrConfigElement_t *element; + int i; + u16 handle, volume_handle, a, b; + struct _tr_list *delayed_tr; + + a = 0; + b = 0; + + if (ioc->is_warpdrive) + return; + + /* Volume Resets for Deleted or Removed */ + element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; + for (i = 0; i < event_data->NumElements; i++, element++) { + if (element->ReasonCode == + MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED || + element->ReasonCode == + MPI2_EVENT_IR_CHANGE_RC_REMOVED) { + volume_handle = le16_to_cpu(element->VolDevHandle); + _scsih_set_volume_delete_flag(ioc, volume_handle); + _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); + } + } + + /* Volume Resets for UNHIDE events */ + element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; + for (i = 0; i < event_data->NumElements; i++, element++) { + if (le32_to_cpu(event_data->Flags) & + MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) + continue; + if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_UNHIDE) { + volume_handle = le16_to_cpu(element->VolDevHandle); + _scsih_set_volume_handle_for_tr(volume_handle, &a, &b); + } + } + + if (a) + _scsih_tm_tr_volume_send(ioc, a); + if (b) + _scsih_tm_tr_volume_send(ioc, b); + + /* PD target resets */ + element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; + for (i = 0; i < event_data->NumElements; i++, element++) { + if (element->ReasonCode != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) + continue; + handle = le16_to_cpu(element->PhysDiskDevHandle); + volume_handle = le16_to_cpu(element->VolDevHandle); + clear_bit(handle, ioc->pd_handles); + if (!volume_handle) + _scsih_tm_tr_send(ioc, handle); + else if (volume_handle == a || volume_handle == b) { + delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); + BUG_ON(!delayed_tr); + INIT_LIST_HEAD(&delayed_tr->list); + delayed_tr->handle = handle; + list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, + handle)); + } else + _scsih_tm_tr_send(ioc, handle); + } +} + + +/** + * _scsih_check_volume_delete_events - set delete flag for volumes + * @ioc: per adapter object + * @event_data: the event data payload + * Context: interrupt time. + * + * This will handle the case when the cable connected to entire volume is + * pulled. We will take care of setting the deleted flag so normal IO will + * not be sent. + * + * Return nothing. + */ +static void +_scsih_check_volume_delete_events(struct MPT2SAS_ADAPTER *ioc, + Mpi2EventDataIrVolume_t *event_data) +{ + u32 state; + + if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) + return; + state = le32_to_cpu(event_data->NewValue); + if (state == MPI2_RAID_VOL_STATE_MISSING || state == + MPI2_RAID_VOL_STATE_FAILED) + _scsih_set_volume_delete_flag(ioc, + le16_to_cpu(event_data->VolDevHandle)); +} + +/** * _scsih_flush_running_cmds - completing outstanding commands. * @ioc: per adapter object * @@ -2733,13 +3713,16 @@ _scsih_flush_running_cmds(struct MPT2SAS_ADAPTER *ioc) u16 count = 0; for (smid = 1; smid <= ioc->scsiio_depth; smid++) { - scmd = _scsih_scsi_lookup_get(ioc, smid); + scmd = _scsih_scsi_lookup_get_clear(ioc, smid); if (!scmd) continue; count++; mpt2sas_base_free_smid(ioc, smid); scsi_dma_unmap(scmd); - scmd->result = DID_RESET << 16; + if (ioc->pci_error_recovery) + scmd->result = DID_NO_CONNECT << 16; + else + scmd->result = DID_RESET << 16; scmd->scsi_done(scmd); } dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "completing %d cmds\n", @@ -2762,9 +3745,7 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) unsigned char prot_op = scsi_get_prot_op(scmd); unsigned char prot_type = scsi_get_prot_type(scmd); - if (prot_type == SCSI_PROT_DIF_TYPE0 || - prot_type == SCSI_PROT_DIF_TYPE2 || - prot_op == SCSI_PROT_NORMAL) + if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL) return; if (prot_op == SCSI_PROT_READ_STRIP) @@ -2776,6 +3757,7 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) switch (prot_type) { case SCSI_PROT_DIF_TYPE1: + case SCSI_PROT_DIF_TYPE2: /* * enable ref/guard checking @@ -2786,7 +3768,6 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request) MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD; mpi_request->CDB.EEDP32.PrimaryReferenceTag = cpu_to_be32(scsi_get_lba(scmd)); - break; case SCSI_PROT_DIF_TYPE3: @@ -2812,8 +3793,6 @@ static void _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) { u8 ascq; - u8 sk; - u8 host_byte; switch (ioc_status) { case MPI2_IOCSTATUS_EEDP_GUARD_ERROR: @@ -2830,20 +3809,136 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) break; } - if (scmd->sc_data_direction == DMA_TO_DEVICE) { - sk = ILLEGAL_REQUEST; - host_byte = DID_ABORT; - } else { - sk = ABORTED_COMMAND; - host_byte = DID_OK; - } - - scsi_build_sense_buffer(0, scmd->sense_buffer, sk, 0x10, ascq); - scmd->result = DRIVER_SENSE << 24 | (host_byte << 16) | + scsi_build_sense_buffer(0, scmd->sense_buffer, ILLEGAL_REQUEST, 0x10, ascq); + scmd->result = DRIVER_SENSE << 24 | (DID_ABORT << 16) | SAM_STAT_CHECK_CONDITION; } /** + * _scsih_scsi_direct_io_get - returns direct io flag + * @ioc: per adapter object + * @smid: system request message index + * + * Returns the smid stored scmd pointer. + */ +static inline u8 +_scsih_scsi_direct_io_get(struct MPT2SAS_ADAPTER *ioc, u16 smid) +{ + return ioc->scsi_lookup[smid - 1].direct_io; +} + +/** + * _scsih_scsi_direct_io_set - sets direct io flag + * @ioc: per adapter object + * @smid: system request message index + * @direct_io: Zero or non-zero value to set in the direct_io flag + * + * Returns Nothing. + */ +static inline void +_scsih_scsi_direct_io_set(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 direct_io) +{ + ioc->scsi_lookup[smid - 1].direct_io = direct_io; +} + + +/** + * _scsih_setup_direct_io - setup MPI request for WARPDRIVE Direct I/O + * @ioc: per adapter object + * @scmd: pointer to scsi command object + * @raid_device: pointer to raid device data structure + * @mpi_request: pointer to the SCSI_IO reqest message frame + * @smid: system request message index + * + * Returns nothing + */ +static void +_scsih_setup_direct_io(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, + struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, + u16 smid) +{ + u32 v_lba, p_lba, stripe_off, stripe_unit, column, io_size; + u32 stripe_sz, stripe_exp; + u8 num_pds, *cdb_ptr, i; + u8 cdb0 = scmd->cmnd[0]; + u64 v_llba; + + /* + * Try Direct I/O to RAID memeber disks + */ + if (cdb0 == READ_16 || cdb0 == READ_10 || + cdb0 == WRITE_16 || cdb0 == WRITE_10) { + cdb_ptr = mpi_request->CDB.CDB32; + + if ((cdb0 < READ_16) || !(cdb_ptr[2] | cdb_ptr[3] | cdb_ptr[4] + | cdb_ptr[5])) { + io_size = scsi_bufflen(scmd) >> + raid_device->block_exponent; + i = (cdb0 < READ_16) ? 2 : 6; + /* get virtual lba */ + v_lba = be32_to_cpu(*(__be32 *)(&cdb_ptr[i])); + + if (((u64)v_lba + (u64)io_size - 1) <= + (u32)raid_device->max_lba) { + stripe_sz = raid_device->stripe_sz; + stripe_exp = raid_device->stripe_exponent; + stripe_off = v_lba & (stripe_sz - 1); + + /* Check whether IO falls within a stripe */ + if ((stripe_off + io_size) <= stripe_sz) { + num_pds = raid_device->num_pds; + p_lba = v_lba >> stripe_exp; + stripe_unit = p_lba / num_pds; + column = p_lba % num_pds; + p_lba = (stripe_unit << stripe_exp) + + stripe_off; + mpi_request->DevHandle = + cpu_to_le16(raid_device-> + pd_handle[column]); + (*(__be32 *)(&cdb_ptr[i])) = + cpu_to_be32(p_lba); + /* + * WD: To indicate this I/O is directI/O + */ + _scsih_scsi_direct_io_set(ioc, smid, 1); + } + } + } else { + io_size = scsi_bufflen(scmd) >> + raid_device->block_exponent; + /* get virtual lba */ + v_llba = be64_to_cpu(*(__be64 *)(&cdb_ptr[2])); + + if ((v_llba + (u64)io_size - 1) <= + raid_device->max_lba) { + stripe_sz = raid_device->stripe_sz; + stripe_exp = raid_device->stripe_exponent; + stripe_off = (u32) (v_llba & (stripe_sz - 1)); + + /* Check whether IO falls within a stripe */ + if ((stripe_off + io_size) <= stripe_sz) { + num_pds = raid_device->num_pds; + p_lba = (u32)(v_llba >> stripe_exp); + stripe_unit = p_lba / num_pds; + column = p_lba % num_pds; + p_lba = (stripe_unit << stripe_exp) + + stripe_off; + mpi_request->DevHandle = + cpu_to_le16(raid_device-> + pd_handle[column]); + (*(__be64 *)(&cdb_ptr[2])) = + cpu_to_be64((u64)p_lba); + /* + * WD: To indicate this I/O is directI/O + */ + _scsih_scsi_direct_io_set(ioc, smid, 1); + } + } + } + } +} + +/** * _scsih_qcmd - main scsi request entry point * @scmd: pointer to scsi command object * @done: function pointer to be invoked on completion @@ -2855,36 +3950,49 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full */ static int -_scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) +_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { - struct MPT2SAS_ADAPTER *ioc = shost_priv(scmd->device->host); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); struct MPT2SAS_DEVICE *sas_device_priv_data; struct MPT2SAS_TARGET *sas_target_priv_data; + struct _raid_device *raid_device; Mpi2SCSIIORequest_t *mpi_request; u32 mpi_control; u16 smid; - scmd->scsi_done = done; sas_device_priv_data = scmd->device->hostdata; - if (!sas_device_priv_data) { + if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; + } + + if (ioc->pci_error_recovery || ioc->remove_host) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } sas_target_priv_data = sas_device_priv_data->sas_target; - if (!sas_target_priv_data || sas_target_priv_data->handle == - MPT2SAS_INVALID_DEVICE_HANDLE || sas_target_priv_data->deleted) { + /* invalid device handle */ + if (sas_target_priv_data->handle == MPT2SAS_INVALID_DEVICE_HANDLE) { scmd->result = DID_NO_CONNECT << 16; scmd->scsi_done(scmd); return 0; } - /* see if we are busy with task managment stuff */ - if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) - return SCSI_MLQUEUE_DEVICE_BUSY; - else if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) + /* host recovery or link resets sent via IOCTLs */ + if (ioc->shost_recovery || ioc->ioc_link_reset_in_progress) return SCSI_MLQUEUE_HOST_BUSY; + /* device busy with task management */ + else if (sas_device_priv_data->block || sas_target_priv_data->tm_busy) + return SCSI_MLQUEUE_DEVICE_BUSY; + /* device has been deleted */ + else if (sas_target_priv_data->deleted) { + scmd->result = DID_NO_CONNECT << 16; + scmd->scsi_done(scmd); + return 0; + } if (scmd->sc_data_direction == DMA_FROM_DEVICE) mpi_control = MPI2_SCSIIO_CONTROL_READ; @@ -2901,15 +4009,14 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) else mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; } else -/* MPI Revision I (UNIT = 0xA) - removed MPI2_SCSIIO_CONTROL_UNTAGGED */ -/* mpi_control |= MPI2_SCSIIO_CONTROL_UNTAGGED; - */ - mpi_control |= (0x500); - + mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; } else mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; - - if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON)) + /* Make sure Device is not raid volume. + * We do not expose raid functionality to upper layer for warpdrive. + */ + if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && + sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32) mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON; smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); @@ -2921,12 +4028,14 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t)); _scsih_setup_eedp(scmd, mpi_request); + if (scmd->cmd_len == 32) + mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT; mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; if (sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) mpi_request->Function = MPI2_FUNCTION_RAID_SCSI_IO_PASSTHROUGH; else - mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; + mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST; mpi_request->DevHandle = cpu_to_le16(sas_device_priv_data->sas_target->handle); mpi_request->DataLength = cpu_to_le32(scsi_bufflen(scmd)); @@ -2954,8 +4063,16 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *)) } } - mpt2sas_base_put_smid_scsi_io(ioc, smid, - sas_device_priv_data->sas_target->handle); + raid_device = sas_target_priv_data->raid_device; + if (raid_device && raid_device->direct_io_enabled) + _scsih_setup_direct_io(ioc, scmd, raid_device, mpi_request, + smid); + + if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) + mpt2sas_base_put_smid_scsi_io(ioc, smid, + le16_to_cpu(mpi_request->DevHandle)); + else + mpt2sas_base_put_smid_default(ioc, smid); return 0; out: @@ -2987,7 +4104,7 @@ _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) #ifdef CONFIG_SCSI_MPT2SAS_LOGGING /** - * _scsih_scsi_ioc_info - translated non-successfull SCSI_IO request + * _scsih_scsi_ioc_info - translated non-successful SCSI_IO request * @ioc: per adapter object * @scmd: pointer to scsi command object * @mpi_reply: reply mf payload returned from firmware @@ -3012,6 +4129,19 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, char *desc_scsi_status = NULL; char *desc_scsi_state = ioc->tmp_string; u32 log_info = le32_to_cpu(mpi_reply->IOCLogInfo); + struct _sas_device *sas_device = NULL; + unsigned long flags; + struct scsi_target *starget = scmd->device->sdev_target; + struct MPT2SAS_TARGET *priv_target = starget->hostdata; + char *device_str = NULL; + + if (!priv_target) + return; + + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; if (log_info == 0x31170000) return; @@ -3127,10 +4257,29 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, strcat(desc_scsi_state, "autosense valid "); scsi_print_command(scmd); - printk(MPT2SAS_WARN_FMT "\tdev handle(0x%04x), " - "ioc_status(%s)(0x%04x), smid(%d)\n", ioc->name, - le16_to_cpu(mpi_reply->DevHandle), desc_ioc_state, - ioc_status, smid); + + if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { + printk(MPT2SAS_WARN_FMT "\t%s wwid(0x%016llx)\n", ioc->name, + device_str, (unsigned long long)priv_target->sas_address); + } else { + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + priv_target->sas_address); + if (sas_device) { + printk(MPT2SAS_WARN_FMT "\tsas_address(0x%016llx), " + "phy(%d)\n", ioc->name, sas_device->sas_address, + sas_device->phy); + printk(MPT2SAS_WARN_FMT + "\tenclosure_logical_id(0x%016llx), slot(%d)\n", + ioc->name, sas_device->enclosure_logical_id, + sas_device->slot); + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + } + + printk(MPT2SAS_WARN_FMT "\thandle(0x%04x), ioc_status(%s)(0x%04x), " + "smid(%d)\n", ioc->name, le16_to_cpu(mpi_reply->DevHandle), + desc_ioc_state, ioc_status, smid); printk(MPT2SAS_WARN_FMT "\trequest_len(%d), underflow(%d), " "resid(%d)\n", ioc->name, scsi_bufflen(scmd), scmd->underflow, scsi_get_resid(scmd)); @@ -3145,8 +4294,8 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, struct sense_info data; _scsih_normalize_sense(scmd->sense_buffer, &data); printk(MPT2SAS_WARN_FMT "\t[sense_key,asc,ascq]: " - "[0x%02x,0x%02x,0x%02x]\n", ioc->name, data.skey, - data.asc, data.ascq); + "[0x%02x,0x%02x,0x%02x], count(%d)\n", ioc->name, data.skey, + data.asc, data.ascq, le32_to_cpu(mpi_reply->SenseCount)); } if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) { @@ -3158,17 +4307,75 @@ _scsih_scsi_ioc_info(struct MPT2SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, #endif /** - * _scsih_smart_predicted_fault - illuminate Fault LED + * _scsih_turn_on_fault_led - illuminate Fault LED * @ioc: per adapter object * @handle: device handle + * Context: process * * Return nothing. */ static void -_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) +_scsih_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) { Mpi2SepReply_t mpi_reply; Mpi2SepRequest_t mpi_request; + + memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); + mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; + mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; + mpi_request.SlotStatus = + cpu_to_le32(MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT); + mpi_request.DevHandle = cpu_to_le16(handle); + mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; + if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, + &mpi_request)) != 0) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, + __FILE__, __LINE__, __func__); + return; + } + + if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "enclosure_processor: " + "ioc_status (0x%04x), loginfo(0x%08x)\n", ioc->name, + le16_to_cpu(mpi_reply.IOCStatus), + le32_to_cpu(mpi_reply.IOCLogInfo))); + return; + } +} + +/** + * _scsih_send_event_to_turn_on_fault_led - fire delayed event + * @ioc: per adapter object + * @handle: device handle + * Context: interrupt. + * + * Return nothing. + */ +static void +_scsih_send_event_to_turn_on_fault_led(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + struct fw_event_work *fw_event; + + fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + if (!fw_event) + return; + fw_event->event = MPT2SAS_TURN_ON_FAULT_LED; + fw_event->device_handle = handle; + fw_event->ioc = ioc; + _scsih_fw_event_add(ioc, fw_event); +} + +/** + * _scsih_smart_predicted_fault - process smart errors + * @ioc: per adapter object + * @handle: device handle + * Context: interrupt. + * + * Return nothing. + */ +static void +_scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ struct scsi_target *starget; struct MPT2SAS_TARGET *sas_target_priv_data; Mpi2EventNotificationReply_t *event_reply; @@ -3195,35 +4402,13 @@ _scsih_smart_predicted_fault(struct MPT2SAS_ADAPTER *ioc, u16 handle) starget_printk(KERN_WARNING, starget, "predicted fault\n"); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) { - memset(&mpi_request, 0, sizeof(Mpi2SepRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SCSI_ENCLOSURE_PROCESSOR; - mpi_request.Action = MPI2_SEP_REQ_ACTION_WRITE_STATUS; - mpi_request.SlotStatus = - MPI2_SEP_REQ_SLOTSTATUS_PREDICTED_FAULT; - mpi_request.DevHandle = cpu_to_le16(handle); - mpi_request.Flags = MPI2_SEP_REQ_FLAGS_DEVHANDLE_ADDRESS; - if ((mpt2sas_base_scsi_enclosure_processor(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - return; - } - - if (mpi_reply.IOCStatus || mpi_reply.IOCLogInfo) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT - "enclosure_processor: ioc_status (0x%04x), " - "loginfo(0x%08x)\n", ioc->name, - le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); - return; - } - } + if (ioc->pdev->subsystem_vendor == PCI_VENDOR_ID_IBM) + _scsih_send_event_to_turn_on_fault_led(ioc, handle); /* insert into event log */ sz = offsetof(Mpi2EventNotificationReply_t, EventData) + sizeof(Mpi2EventDataSasDeviceStatusChange_t); - event_reply = kzalloc(sz, GFP_KERNEL); + event_reply = kzalloc(sz, GFP_ATOMIC); if (!event_reply) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); @@ -3271,9 +4456,10 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) u32 log_info; struct MPT2SAS_DEVICE *sas_device_priv_data; u32 response_code = 0; + unsigned long flags; mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); - scmd = _scsih_scsi_lookup_get(ioc, smid); + scmd = _scsih_scsi_lookup_get_clear(ioc, smid); if (scmd == NULL) return 1; @@ -3290,6 +4476,26 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) scmd->result = DID_NO_CONNECT << 16; goto out; } + ioc_status = le16_to_cpu(mpi_reply->IOCStatus); + /* + * WARPDRIVE: If direct_io is set then it is directIO, + * the failed direct I/O should be redirected to volume + */ + if (_scsih_scsi_direct_io_get(ioc, smid) && + ((ioc_status & MPI2_IOCSTATUS_MASK) + != MPI2_IOCSTATUS_SCSI_TASK_TERMINATED)) { + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + ioc->scsi_lookup[smid - 1].scmd = scmd; + _scsih_scsi_direct_io_set(ioc, smid, 0); + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); + mpi_request->DevHandle = + cpu_to_le16(sas_device_priv_data->sas_target->handle); + mpt2sas_base_put_smid_scsi_io(ioc, smid, + sas_device_priv_data->sas_target->handle); + return 0; + } + /* turning off TLR */ scsi_state = mpi_reply->SCSIState; @@ -3298,15 +4504,19 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) le32_to_cpu(mpi_reply->ResponseInfo) & 0xFF; if (!sas_device_priv_data->tlr_snoop_check) { sas_device_priv_data->tlr_snoop_check++; - if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) && - response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) - sas_device_priv_data->flags &= - ~MPT_DEVICE_TLR_ON; + /* Make sure Device is not raid volume. + * We do not expose raid functionality to upper layer for warpdrive. + */ + if (!ioc->is_warpdrive && !_scsih_is_raid(&scmd->device->sdev_gendev) && + sas_is_tlr_enabled(scmd->device) && + response_code == MPI2_SCSITASKMGMT_RSP_INVALID_FRAME) { + sas_disable_tlr(scmd->device); + sdev_printk(KERN_INFO, scmd->device, "TLR disabled\n"); + } } xfer_cnt = le32_to_cpu(mpi_reply->TransferCount); scsi_set_resid(scmd, scsi_bufflen(scmd) - xfer_cnt); - ioc_status = le16_to_cpu(mpi_reply->IOCStatus); if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) log_info = le32_to_cpu(mpi_reply->IOCLogInfo); else @@ -3350,6 +4560,8 @@ _scsih_io_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) scmd->result = DID_TRANSPORT_DISRUPTED << 16; goto out; } + scmd->result = DID_SOFT_ERROR << 16; + break; case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED: case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED: scmd->result = DID_RESET << 16; @@ -3454,6 +4666,7 @@ _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) Mpi2ConfigReply_t mpi_reply; Mpi2SasIOUnitPage0_t *sas_iounit_pg0 = NULL; u16 attached_handle; + u8 link_rate; dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "updating handles for sas_host(0x%016llx)\n", @@ -3475,15 +4688,17 @@ _scsih_sas_host_refresh(struct MPT2SAS_ADAPTER *ioc) if (ioc_status != MPI2_IOCSTATUS_SUCCESS) goto out; for (i = 0; i < ioc->sas_hba.num_phys ; i++) { + link_rate = sas_iounit_pg0->PhyData[i].NegotiatedLinkRate >> 4; if (i == 0) ioc->sas_hba.handle = le16_to_cpu(sas_iounit_pg0-> PhyData[0].ControllerDevHandle); ioc->sas_hba.phy[i].handle = ioc->sas_hba.handle; attached_handle = le16_to_cpu(sas_iounit_pg0->PhyData[i]. AttachedDevHandle); + if (attached_handle && link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) + link_rate = MPI2_SAS_NEG_LINK_RATE_1_5; mpt2sas_transport_update_links(ioc, ioc->sas_hba.sas_address, - attached_handle, i, sas_iounit_pg0->PhyData[i]. - NegotiatedLinkRate >> 4); + attached_handle, i, link_rate); } out: kfree(sas_iounit_pg0); @@ -3654,7 +4869,7 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) Mpi2SasEnclosurePage0_t enclosure_pg0; u32 ioc_status; u16 parent_handle; - __le64 sas_address, sas_address_parent = 0; + u64 sas_address, sas_address_parent = 0; int i; unsigned long flags; struct _sas_port *mpt2sas_port = NULL; @@ -3663,7 +4878,7 @@ _scsih_expander_add(struct MPT2SAS_ADAPTER *ioc, u16 handle) if (!handle) return -1; - if (ioc->shost_recovery) + if (ioc->shost_recovery || ioc->pci_error_recovery) return -1; if ((mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, @@ -3827,14 +5042,14 @@ _scsih_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) } /** - * _scsih_expander_remove - removing expander object + * mpt2sas_expander_remove - removing expander object * @ioc: per adapter object * @sas_address: expander sas_address * * Return nothing. */ -static void -_scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) +void +mpt2sas_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) { struct _sas_node *sas_expander; unsigned long flags; @@ -3845,8 +5060,143 @@ _scsih_expander_remove(struct MPT2SAS_ADAPTER *ioc, u64 sas_address) spin_lock_irqsave(&ioc->sas_node_lock, flags); sas_expander = mpt2sas_scsih_expander_find_by_sas_address(ioc, sas_address); + if (sas_expander) + list_del(&sas_expander->list); spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - _scsih_expander_node_remove(ioc, sas_expander); + if (sas_expander) + _scsih_expander_node_remove(ioc, sas_expander); +} + +/** + * _scsih_check_access_status - check access flags + * @ioc: per adapter object + * @sas_address: sas address + * @handle: sas device handle + * @access_flags: errors returned during discovery of the device + * + * Return 0 for success, else failure + */ +static u8 +_scsih_check_access_status(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, + u16 handle, u8 access_status) +{ + u8 rc = 1; + char *desc = NULL; + + switch (access_status) { + case MPI2_SAS_DEVICE0_ASTATUS_NO_ERRORS: + case MPI2_SAS_DEVICE0_ASTATUS_SATA_NEEDS_INITIALIZATION: + rc = 0; + break; + case MPI2_SAS_DEVICE0_ASTATUS_SATA_CAPABILITY_FAILED: + desc = "sata capability failed"; + break; + case MPI2_SAS_DEVICE0_ASTATUS_SATA_AFFILIATION_CONFLICT: + desc = "sata affiliation conflict"; + break; + case MPI2_SAS_DEVICE0_ASTATUS_ROUTE_NOT_ADDRESSABLE: + desc = "route not addressable"; + break; + case MPI2_SAS_DEVICE0_ASTATUS_SMP_ERROR_NOT_ADDRESSABLE: + desc = "smp error not addressable"; + break; + case MPI2_SAS_DEVICE0_ASTATUS_DEVICE_BLOCKED: + desc = "device blocked"; + break; + case MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_UNKNOWN: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_AFFILIATION_CONFLICT: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_DIAG: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_IDENTIFICATION: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_CHECK_POWER: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_PIO_SN: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_MDMA_SN: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_UDMA_SN: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_ZONING_VIOLATION: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_NOT_ADDRESSABLE: + case MPI2_SAS_DEVICE0_ASTATUS_SIF_MAX: + desc = "sata initialization failed"; + break; + default: + desc = "unknown"; + break; + } + + if (!rc) + return 0; + + printk(MPT2SAS_ERR_FMT "discovery errors(%s): sas_address(0x%016llx), " + "handle(0x%04x)\n", ioc->name, desc, + (unsigned long long)sas_address, handle); + return rc; +} + +static void +_scsih_check_device(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + Mpi2ConfigReply_t mpi_reply; + Mpi2SasDevicePage0_t sas_device_pg0; + struct _sas_device *sas_device; + u32 ioc_status; + unsigned long flags; + u64 sas_address; + struct scsi_target *starget; + struct MPT2SAS_TARGET *sas_target_priv_data; + u32 device_info; + + + if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, + MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) + return; + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) + return; + + /* check if this is end device */ + device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); + if (!(_scsih_is_end_device(device_info))) + return; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_address = le64_to_cpu(sas_device_pg0.SASAddress); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + sas_address); + + if (!sas_device) { + printk(MPT2SAS_ERR_FMT "device is not present " + "handle(0x%04x), no sas_device!!!\n", ioc->name, handle); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + return; + } + + if (unlikely(sas_device->handle != handle)) { + starget = sas_device->starget; + sas_target_priv_data = starget->hostdata; + starget_printk(KERN_INFO, starget, "handle changed from(0x%04x)" + " to (0x%04x)!!!\n", sas_device->handle, handle); + sas_target_priv_data->handle = handle; + sas_device->handle = handle; + } + + /* check if device is present */ + if (!(le16_to_cpu(sas_device_pg0.Flags) & + MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { + printk(MPT2SAS_ERR_FMT "device is not present " + "handle(0x%04x), flags!!!\n", ioc->name, handle); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + return; + } + + /* check if there were any issues with discovery */ + if (_scsih_check_access_status(ioc, sas_address, handle, + sas_device_pg0.AccessStatus)) { + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + return; + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + _scsih_ublock_io_device(ioc, sas_address); + } /** @@ -3887,6 +5237,8 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) return -1; } + sas_address = le64_to_cpu(sas_device_pg0.SASAddress); + /* check if device is present */ if (!(le16_to_cpu(sas_device_pg0.Flags) & MPI2_SAS_DEVICE0_FLAGS_DEVICE_PRESENT)) { @@ -3897,15 +5249,10 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) return -1; } - /* check if there were any issus with discovery */ - if (sas_device_pg0.AccessStatus == - MPI2_SAS_DEVICE0_ASTATUS_SATA_INIT_FAILED) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - printk(MPT2SAS_ERR_FMT "AccessStatus = 0x%02x\n", - ioc->name, sas_device_pg0.AccessStatus); + /* check if there were any issues with discovery */ + if (_scsih_check_access_status(ioc, sas_address, handle, + sas_device_pg0.AccessStatus)) return -1; - } /* check if this is end device */ device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); @@ -3915,17 +5262,14 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) return -1; } - sas_address = le64_to_cpu(sas_device_pg0.SASAddress); spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, sas_address); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) { - _scsih_ublock_io_device(ioc, handle); + if (sas_device) return 0; - } sas_device = kzalloc(sizeof(struct _sas_device), GFP_KERNEL); @@ -3947,7 +5291,7 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) le16_to_cpu(sas_device_pg0.Slot); sas_device->device_info = device_info; sas_device->sas_address = sas_address; - sas_device->hidden_raid_component = is_pd; + sas_device->phy = sas_device_pg0.PhyNum; /* get enclosure_logical_id */ if (sas_device->enclosure_handle && !(mpt2sas_config_get_enclosure_pg0( @@ -3959,7 +5303,7 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) /* get device name */ sas_device->device_name = le64_to_cpu(sas_device_pg0.DeviceName); - if (ioc->wait_for_port_enable_to_complete) + if (ioc->wait_for_discovery_to_complete) _scsih_sas_device_init_add(ioc, sas_device); else _scsih_sas_device_add(ioc, sas_device); @@ -3970,102 +5314,95 @@ _scsih_add_device(struct MPT2SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u8 is_pd) /** * _scsih_remove_device - removing sas device object * @ioc: per adapter object - * @sas_device: the sas_device object + * @sas_device_delete: the sas_device object * * Return nothing. */ static void -_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, struct _sas_device - *sas_device) +_scsih_remove_device(struct MPT2SAS_ADAPTER *ioc, + struct _sas_device *sas_device) { struct MPT2SAS_TARGET *sas_target_priv_data; - Mpi2SasIoUnitControlReply_t mpi_reply; - Mpi2SasIoUnitControlRequest_t mpi_request; - u16 device_handle, handle; - - if (!sas_device) - return; - handle = sas_device->handle; - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: handle(0x%04x)," - " sas_addr(0x%016llx)\n", ioc->name, __func__, handle, - (unsigned long long) sas_device->sas_address)); + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter: " + "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, + sas_device->handle, (unsigned long long) + sas_device->sas_address)); if (sas_device->starget && sas_device->starget->hostdata) { sas_target_priv_data = sas_device->starget->hostdata; sas_target_priv_data->deleted = 1; + _scsih_ublock_io_device(ioc, sas_device->sas_address); + sas_target_priv_data->handle = + MPT2SAS_INVALID_DEVICE_HANDLE; } - if (ioc->remove_host || ioc->shost_recovery || !handle) - goto out; - - if ((sas_device->state & MPTSAS_STATE_TR_COMPLETE)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip " - "target_reset handle(0x%04x)\n", ioc->name, - handle)); - goto skip_tr; - } - - /* Target Reset to flush out all the outstanding IO */ - device_handle = (sas_device->hidden_raid_component) ? - sas_device->volume_handle : handle; - if (device_handle) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset: " - "handle(0x%04x)\n", ioc->name, device_handle)); - mutex_lock(&ioc->tm_cmds.mutex); - mpt2sas_scsih_issue_tm(ioc, device_handle, 0, - MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET, 0, 10); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; - mutex_unlock(&ioc->tm_cmds.mutex); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "issue target reset " - "done: handle(0x%04x)\n", ioc->name, device_handle)); - if (ioc->shost_recovery) - goto out; - } - skip_tr: - - if ((sas_device->state & MPTSAS_STATE_CNTRL_COMPLETE)) { - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "\tskip " - "sas_cntrl handle(0x%04x)\n", ioc->name, handle)); - goto out; - } + if (!ioc->hide_drives) + mpt2sas_transport_port_remove(ioc, + sas_device->sas_address, + sas_device->sas_address_parent); - /* SAS_IO_UNIT_CNTR - send REMOVE_DEVICE */ - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: handle" - "(0x%04x)\n", ioc->name, handle)); - memset(&mpi_request, 0, sizeof(Mpi2SasIoUnitControlRequest_t)); - mpi_request.Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL; - mpi_request.Operation = MPI2_SAS_OP_REMOVE_DEVICE; - mpi_request.DevHandle = handle; - mpi_request.VF_ID = 0; /* TODO */ - mpi_request.VP_ID = 0; - if ((mpt2sas_base_sas_iounit_control(ioc, &mpi_reply, - &mpi_request)) != 0) { - printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", - ioc->name, __FILE__, __LINE__, __func__); - } + printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" + "(0x%016llx)\n", ioc->name, sas_device->handle, + (unsigned long long) sas_device->sas_address); - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "sas_iounit: ioc_status" - "(0x%04x), loginfo(0x%08x)\n", ioc->name, - le16_to_cpu(mpi_reply.IOCStatus), - le32_to_cpu(mpi_reply.IOCLogInfo))); + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: " + "handle(0x%04x), sas_addr(0x%016llx)\n", ioc->name, __func__, + sas_device->handle, (unsigned long long) + sas_device->sas_address)); + kfree(sas_device); +} +/** + * _scsih_device_remove_by_handle - removing device object by handle + * @ioc: per adapter object + * @handle: device handle + * + * Return nothing. + */ +static void +_scsih_device_remove_by_handle(struct MPT2SAS_ADAPTER *ioc, u16 handle) +{ + struct _sas_device *sas_device; + unsigned long flags; - out: + if (ioc->shost_recovery) + return; - _scsih_ublock_io_device(ioc, handle); + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + if (sas_device) + list_del(&sas_device->list); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (sas_device) + _scsih_remove_device(ioc, sas_device); +} - mpt2sas_transport_port_remove(ioc, sas_device->sas_address, - sas_device->sas_address_parent); +/** + * mpt2sas_device_remove_by_sas_address - removing device object by sas address + * @ioc: per adapter object + * @sas_address: device sas_address + * + * Return nothing. + */ +void +mpt2sas_device_remove_by_sas_address(struct MPT2SAS_ADAPTER *ioc, + u64 sas_address) +{ + struct _sas_device *sas_device; + unsigned long flags; - printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), sas_addr" - "(0x%016llx)\n", ioc->name, handle, - (unsigned long long) sas_device->sas_address); - _scsih_sas_device_remove(ioc, sas_device); + if (ioc->shost_recovery) + return; - dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit: handle" - "(0x%04x)\n", ioc->name, __func__, handle)); + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + sas_address); + if (sas_device) + list_del(&sas_device->list); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (sas_device) + _scsih_remove_device(ioc, sas_device); } - #ifdef CONFIG_SCSI_MPT2SAS_LOGGING /** * _scsih_sas_topology_change_event_debug - debug for topology event @@ -4102,9 +5439,9 @@ _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, status_str = "unknown status"; break; } - printk(MPT2SAS_DEBUG_FMT "sas topology change: (%s)\n", + printk(MPT2SAS_INFO_FMT "sas topology change: (%s)\n", ioc->name, status_str); - printk(KERN_DEBUG "\thandle(0x%04x), enclosure_handle(0x%04x) " + printk(KERN_INFO "\thandle(0x%04x), enclosure_handle(0x%04x) " "start_phy(%02d), count(%d)\n", le16_to_cpu(event_data->ExpanderDevHandle), le16_to_cpu(event_data->EnclosureHandle), @@ -4138,7 +5475,7 @@ _scsih_sas_topology_change_event_debug(struct MPT2SAS_ADAPTER *ioc, } link_rate = event_data->PHY[i].LinkRate >> 4; prev_link_rate = event_data->PHY[i].LinkRate & 0xF; - printk(KERN_DEBUG "\tphy(%02d), attached_handle(0x%04x): %s:" + printk(KERN_INFO "\tphy(%02d), attached_handle(0x%04x): %s:" " link rate: new(0x%02x), old(0x%02x)\n", phy_number, handle, status_str, link_rate, prev_link_rate); @@ -4160,9 +5497,8 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, int i; u16 parent_handle, handle; u16 reason_code; - u8 phy_number; + u8 phy_number, max_phys; struct _sas_node *sas_expander; - struct _sas_device *sas_device; u64 sas_address; unsigned long flags; u8 link_rate, prev_link_rate; @@ -4173,7 +5509,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, _scsih_sas_topology_change_event_debug(ioc, event_data); #endif - if (ioc->shost_recovery) + if (ioc->remove_host || ioc->pci_error_recovery) return; if (!ioc->sas_hba.num_phys) @@ -4182,7 +5518,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, _scsih_sas_host_refresh(ioc); if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring expander " + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring expander " "event\n", ioc->name)); return; } @@ -4197,24 +5533,31 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, spin_lock_irqsave(&ioc->sas_node_lock, flags); sas_expander = mpt2sas_scsih_expander_find_by_handle(ioc, parent_handle); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (sas_expander) + if (sas_expander) { sas_address = sas_expander->sas_address; - else if (parent_handle < ioc->sas_hba.num_phys) + max_phys = sas_expander->num_phys; + } else if (parent_handle < ioc->sas_hba.num_phys) { sas_address = ioc->sas_hba.sas_address; - else + max_phys = ioc->sas_hba.num_phys; + } else { + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); return; + } + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); /* handle siblings events */ for (i = 0; i < event_data->NumEntries; i++) { if (fw_event->ignore) { - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "ignoring " + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "ignoring " "expander event\n", ioc->name)); return; } - if (ioc->shost_recovery) + if (ioc->shost_recovery || ioc->remove_host || + ioc->pci_error_recovery) return; phy_number = event_data->StartPhyNum + i; + if (phy_number >= max_phys) + continue; reason_code = event_data->PHY[i].PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK; if ((event_data->PHY[i].PhyStatus & @@ -4229,17 +5572,25 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, switch (reason_code) { case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED: + if (ioc->shost_recovery) + break; + if (link_rate == prev_link_rate) break; mpt2sas_transport_update_links(ioc, sas_address, handle, phy_number, link_rate); - if (link_rate >= MPI2_SAS_NEG_LINK_RATE_1_5) - _scsih_ublock_io_device(ioc, handle); + if (link_rate < MPI2_SAS_NEG_LINK_RATE_1_5) + break; + + _scsih_check_device(ioc, handle); break; case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED: + if (ioc->shost_recovery) + break; + mpt2sas_transport_update_links(ioc, sas_address, handle, phy_number, link_rate); @@ -4247,16 +5598,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, break; case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING: - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, - handle); - if (!sas_device) { - spin_unlock_irqrestore(&ioc->sas_device_lock, - flags); - break; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - _scsih_remove_device(ioc, sas_device); + _scsih_device_remove_by_handle(ioc, handle); break; } } @@ -4264,7 +5606,7 @@ _scsih_sas_topology_change_event(struct MPT2SAS_ADAPTER *ioc, /* handle expander removal */ if (event_data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_NOT_RESPONDING && sas_expander) - _scsih_expander_remove(ioc, sas_address); + mpt2sas_expander_remove(ioc, sas_address); } @@ -4326,12 +5668,13 @@ _scsih_sas_device_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, reason_str = "unknown reason"; break; } - printk(MPT2SAS_DEBUG_FMT "device status change: (%s)\n" - "\thandle(0x%04x), sas address(0x%016llx)", ioc->name, - reason_str, le16_to_cpu(event_data->DevHandle), - (unsigned long long)le64_to_cpu(event_data->SASAddress)); + printk(MPT2SAS_INFO_FMT "device status change: (%s)\n" + "\thandle(0x%04x), sas address(0x%016llx), tag(%d)", + ioc->name, reason_str, le16_to_cpu(event_data->DevHandle), + (unsigned long long)le64_to_cpu(event_data->SASAddress), + le16_to_cpu(event_data->TaskTag)); if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_SMART_DATA) - printk(MPT2SAS_DEBUG_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, + printk(MPT2SAS_INFO_FMT ", ASC(0x%x), ASCQ(0x%x)\n", ioc->name, event_data->ASC, event_data->ASCQ); printk(KERN_INFO "\n"); } @@ -4351,7 +5694,7 @@ _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, { struct MPT2SAS_TARGET *target_priv_data; struct _sas_device *sas_device; - __le64 sas_address; + u64 sas_address; unsigned long flags; Mpi2EventDataSasDeviceStatusChange_t *event_data = fw_event->event_data; @@ -4362,30 +5705,40 @@ _scsih_sas_device_status_change_event(struct MPT2SAS_ADAPTER *ioc, event_data); #endif - if (!(event_data->ReasonCode == + /* In MPI Revision K (0xC), the internal device reset complete was + * implemented, so avoid setting tm_busy flag for older firmware. + */ + if ((ioc->facts.HeaderVersion >> 8) < 0xC) + return; + + if (event_data->ReasonCode != MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET && - event_data->ReasonCode == - MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET)) + event_data->ReasonCode != + MPI2_EVENT_SAS_DEV_STAT_RC_CMP_INTERNAL_DEV_RESET) return; spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_address = le64_to_cpu(event_data->SASAddress); sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device || !sas_device->starget) + if (!sas_device || !sas_device->starget) { + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); return; + } target_priv_data = sas_device->starget->hostdata; - if (!target_priv_data) + if (!target_priv_data) { + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); return; + } if (event_data->ReasonCode == MPI2_EVENT_SAS_DEV_STAT_RC_INTERNAL_DEVICE_RESET) target_priv_data->tm_busy = 1; else target_priv_data->tm_busy = 0; + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } #ifdef CONFIG_SCSI_MPT2SAS_LOGGING @@ -4415,7 +5768,7 @@ _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT2SAS_ADAPTER *ioc, break; } - printk(MPT2SAS_DEBUG_FMT "enclosure status change: (%s)\n" + printk(MPT2SAS_INFO_FMT "enclosure status change: (%s)\n" "\thandle(0x%04x), enclosure logical id(0x%016llx)" " number slots(%d)\n", ioc->name, reason_str, le16_to_cpu(event_data->EnclosureHandle), @@ -4444,7 +5797,7 @@ _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, } /** - * _scsih_sas_broadcast_primative_event - handle broadcast events + * _scsih_sas_broadcast_primitive_event - handle broadcast events * @ioc: per adapter object * @fw_event: The fw_event_work object * Context: user. @@ -4452,35 +5805,55 @@ _scsih_sas_enclosure_dev_status_change_event(struct MPT2SAS_ADAPTER *ioc, * Return nothing. */ static void -_scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, +_scsih_sas_broadcast_primitive_event(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { struct scsi_cmnd *scmd; + struct scsi_device *sdev; u16 smid, handle; u32 lun; struct MPT2SAS_DEVICE *sas_device_priv_data; u32 termination_count; u32 query_count; Mpi2SCSITaskManagementReply_t *mpi_reply; -#ifdef CONFIG_SCSI_MPT2SAS_LOGGING Mpi2EventDataSasBroadcastPrimitive_t *event_data = fw_event->event_data; -#endif u16 ioc_status; - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "broadcast primative: " - "phy number(%d), width(%d)\n", ioc->name, event_data->PhyNum, - event_data->PortWidth)); - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: enter\n", ioc->name, - __func__)); + unsigned long flags; + int r; + u8 max_retries = 0; + u8 task_abort_retries; mutex_lock(&ioc->tm_cmds.mutex); + pr_info(MPT2SAS_FMT + "%s: enter: phy number(%d), width(%d)\n", + ioc->name, __func__, event_data->PhyNum, + event_data->PortWidth); + + _scsih_block_io_all_device(ioc); + + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + mpi_reply = ioc->tm_cmds.reply; +broadcast_aen_retry: + + /* sanity checks for retrying this loop */ + if (max_retries++ == 5) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: giving up\n", + ioc->name, __func__)); + goto out; + } else if (max_retries > 1) + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: %d retry\n", + ioc->name, __func__, max_retries - 1)); + termination_count = 0; query_count = 0; - mpi_reply = ioc->tm_cmds.reply; for (smid = 1; smid <= ioc->scsiio_depth; smid++) { + if (ioc->shost_recovery) + goto out; scmd = _scsih_scsi_lookup_get(ioc, smid); if (!scmd) continue; - sas_device_priv_data = scmd->device->hostdata; + sdev = scmd->device; + sas_device_priv_data = sdev->hostdata; if (!sas_device_priv_data || !sas_device_priv_data->sas_target) continue; /* skip hidden raid components */ @@ -4496,29 +5869,90 @@ _scsih_sas_broadcast_primative_event(struct MPT2SAS_ADAPTER *ioc, lun = sas_device_priv_data->lun; query_count++; - mpt2sas_scsih_issue_tm(ioc, handle, lun, - MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; + if (ioc->shost_recovery) + goto out; + + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + r = mpt2sas_scsih_issue_tm(ioc, handle, 0, 0, lun, + MPI2_SCSITASKMGMT_TASKTYPE_QUERY_TASK, smid, 30, + TM_MUTEX_OFF); + if (r == FAILED) { + sdev_printk(KERN_WARNING, sdev, + "mpt2sas_scsih_issue_tm: FAILED when sending " + "QUERY_TASK: scmd(%p)\n", scmd); + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + goto broadcast_aen_retry; + } ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; - if ((ioc_status == MPI2_IOCSTATUS_SUCCESS) && - (mpi_reply->ResponseCode == + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + sdev_printk(KERN_WARNING, sdev, "query task: FAILED " + "with IOCSTATUS(0x%04x), scmd(%p)\n", ioc_status, + scmd); + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + goto broadcast_aen_retry; + } + + /* see if IO is still owned by IOC and target */ + if (mpi_reply->ResponseCode == MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED || mpi_reply->ResponseCode == - MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC)) + MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC) { + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); continue; + } + task_abort_retries = 0; + tm_retry: + if (task_abort_retries++ == 60) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT + "%s: ABORT_TASK: giving up\n", ioc->name, + __func__)); + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + goto broadcast_aen_retry; + } + + if (ioc->shost_recovery) + goto out_no_lock; + + r = mpt2sas_scsih_issue_tm(ioc, handle, sdev->channel, sdev->id, + sdev->lun, MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK, smid, 30, + TM_MUTEX_OFF); + if (r == FAILED) { + sdev_printk(KERN_WARNING, sdev, + "mpt2sas_scsih_issue_tm: ABORT_TASK: FAILED : " + "scmd(%p)\n", scmd); + goto tm_retry; + } + + if (task_abort_retries > 1) + sdev_printk(KERN_WARNING, sdev, + "mpt2sas_scsih_issue_tm: ABORT_TASK: RETRIES (%d):" + " scmd(%p)\n", + task_abort_retries - 1, scmd); - mpt2sas_scsih_issue_tm(ioc, handle, lun, - MPI2_SCSITASKMGMT_TASKTYPE_ABRT_TASK_SET, 0, 30); - ioc->tm_cmds.status = MPT2_CMD_NOT_USED; termination_count += le32_to_cpu(mpi_reply->TerminationCount); + spin_lock_irqsave(&ioc->scsi_lookup_lock, flags); + } + + if (ioc->broadcast_aen_pending) { + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: loop back due to" + " pending AEN\n", ioc->name, __func__)); + ioc->broadcast_aen_pending = 0; + goto broadcast_aen_retry; } - ioc->broadcast_aen_busy = 0; - mutex_unlock(&ioc->tm_cmds.mutex); - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT + out: + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + out_no_lock: + + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s - exit, query_count = %d termination_count = %d\n", ioc->name, __func__, query_count, termination_count)); + + ioc->broadcast_aen_busy = 0; + if (!ioc->shost_recovery) + _scsih_ublock_io_all_device(ioc); + mutex_unlock(&ioc->tm_cmds.mutex); } /** @@ -4537,7 +5971,7 @@ _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, #ifdef CONFIG_SCSI_MPT2SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { - printk(MPT2SAS_DEBUG_FMT "discovery event: (%s)", ioc->name, + printk(MPT2SAS_INFO_FMT "discovery event: (%s)", ioc->name, (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? "start" : "stop"); if (event_data->DiscoveryStatus) @@ -4548,8 +5982,14 @@ _scsih_sas_discovery_event(struct MPT2SAS_ADAPTER *ioc, #endif if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && - !ioc->sas_hba.num_phys) + !ioc->sas_hba.num_phys) { + if (disable_discovery > 0 && ioc->shost_recovery) { + /* Wait for the reset to complete */ + while (ioc->shost_recovery) + ssleep(1); + } _scsih_sas_host_add(ioc); + } } /** @@ -4570,27 +6010,6 @@ _scsih_reprobe_lun(struct scsi_device *sdev, void *no_uld_attach) } /** - * _scsih_reprobe_target - reprobing target - * @starget: scsi target struct - * @no_uld_attach: sdev->no_uld_attach flag setting - * - * Note: no_uld_attach flag determines whether the disk device is attached - * to block layer. A value of `1` means to not attach. - **/ -static void -_scsih_reprobe_target(struct scsi_target *starget, int no_uld_attach) -{ - struct MPT2SAS_TARGET *sas_target_priv_data = starget->hostdata; - - if (no_uld_attach) - sas_target_priv_data->flags |= MPT_TARGET_FLAGS_RAID_COMPONENT; - else - sas_target_priv_data->flags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT; - - starget_for_each_device(starget, no_uld_attach ? (void *)1 : NULL, - _scsih_reprobe_lun); -} -/** * _scsih_sas_volume_add - add new volume * @ioc: per adapter object * @element: IR config element data @@ -4636,43 +6055,51 @@ _scsih_sas_volume_add(struct MPT2SAS_ADAPTER *ioc, raid_device->handle = handle; raid_device->wwid = wwid; _scsih_raid_device_add(ioc, raid_device); - if (!ioc->wait_for_port_enable_to_complete) { + if (!ioc->wait_for_discovery_to_complete) { rc = scsi_add_device(ioc->shost, RAID_CHANNEL, raid_device->id, 0); if (rc) _scsih_raid_device_remove(ioc, raid_device); - } else + } else { + spin_lock_irqsave(&ioc->raid_device_lock, flags); _scsih_determine_boot_device(ioc, raid_device, 1); + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + } } /** * _scsih_sas_volume_delete - delete volume * @ioc: per adapter object - * @element: IR config element data + * @handle: volume device handle * Context: user. * * Return nothing. */ static void -_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, - Mpi2EventIrConfigElement_t *element) +_scsih_sas_volume_delete(struct MPT2SAS_ADAPTER *ioc, u16 handle) { struct _raid_device *raid_device; - u16 handle = le16_to_cpu(element->VolDevHandle); unsigned long flags; struct MPT2SAS_TARGET *sas_target_priv_data; + struct scsi_target *starget = NULL; spin_lock_irqsave(&ioc->raid_device_lock, flags); raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (!raid_device) - return; - if (raid_device->starget) { - sas_target_priv_data = raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - scsi_remove_target(&raid_device->starget->dev); + if (raid_device) { + if (raid_device->starget) { + starget = raid_device->starget; + sas_target_priv_data = starget->hostdata; + sas_target_priv_data->deleted = 1; + } + printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" + "(0x%016llx)\n", ioc->name, raid_device->handle, + (unsigned long long) raid_device->wwid); + list_del(&raid_device->list); + kfree(raid_device); } - _scsih_raid_device_remove(ioc, raid_device); + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + if (starget) + scsi_remove_target(&starget->dev); } /** @@ -4688,20 +6115,31 @@ _scsih_sas_pd_expose(struct MPT2SAS_ADAPTER *ioc, Mpi2EventIrConfigElement_t *element) { struct _sas_device *sas_device; + struct scsi_target *starget = NULL; + struct MPT2SAS_TARGET *sas_target_priv_data; unsigned long flags; u16 handle = le16_to_cpu(element->PhysDiskDevHandle); spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + if (sas_device) { + sas_device->volume_handle = 0; + sas_device->volume_wwid = 0; + clear_bit(handle, ioc->pd_handles); + if (sas_device->starget && sas_device->starget->hostdata) { + starget = sas_device->starget; + sas_target_priv_data = starget->hostdata; + sas_target_priv_data->flags &= + ~MPT_TARGET_FLAGS_RAID_COMPONENT; + } + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (!sas_device) return; /* exposing raid component */ - sas_device->volume_handle = 0; - sas_device->volume_wwid = 0; - sas_device->hidden_raid_component = 0; - _scsih_reprobe_target(sas_device->starget, 0); + if (starget) + starget_for_each_device(starget, NULL, _scsih_reprobe_lun); } /** @@ -4717,22 +6155,38 @@ _scsih_sas_pd_hide(struct MPT2SAS_ADAPTER *ioc, Mpi2EventIrConfigElement_t *element) { struct _sas_device *sas_device; + struct scsi_target *starget = NULL; + struct MPT2SAS_TARGET *sas_target_priv_data; unsigned long flags; u16 handle = le16_to_cpu(element->PhysDiskDevHandle); + u16 volume_handle = 0; + u64 volume_wwid = 0; + + mpt2sas_config_get_volume_handle(ioc, handle, &volume_handle); + if (volume_handle) + mpt2sas_config_get_volume_wwid(ioc, volume_handle, + &volume_wwid); spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + if (sas_device) { + set_bit(handle, ioc->pd_handles); + if (sas_device->starget && sas_device->starget->hostdata) { + starget = sas_device->starget; + sas_target_priv_data = starget->hostdata; + sas_target_priv_data->flags |= + MPT_TARGET_FLAGS_RAID_COMPONENT; + sas_device->volume_handle = volume_handle; + sas_device->volume_wwid = volume_wwid; + } + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (!sas_device) return; /* hiding raid component */ - mpt2sas_config_get_volume_handle(ioc, handle, - &sas_device->volume_handle); - mpt2sas_config_get_volume_wwid(ioc, sas_device->volume_handle, - &sas_device->volume_wwid); - sas_device->hidden_raid_component = 1; - _scsih_reprobe_target(sas_device->starget, 1); + if (starget) + starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); } /** @@ -4747,16 +6201,9 @@ static void _scsih_sas_pd_delete(struct MPT2SAS_ADAPTER *ioc, Mpi2EventIrConfigElement_t *element) { - struct _sas_device *sas_device; - unsigned long flags; u16 handle = le16_to_cpu(element->PhysDiskDevHandle); - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - return; - _scsih_remove_device(ioc, sas_device); + _scsih_device_remove_by_handle(ioc, handle); } /** @@ -4780,13 +6227,13 @@ _scsih_sas_pd_add(struct MPT2SAS_ADAPTER *ioc, u64 sas_address; u16 parent_handle; + set_bit(handle, ioc->pd_handles); + spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = _scsih_sas_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) { - sas_device->hidden_raid_component = 1; + if (sas_device) return; - } if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { @@ -4831,7 +6278,7 @@ _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - printk(MPT2SAS_DEBUG_FMT "raid config change: (%s), elements(%d)\n", + printk(MPT2SAS_INFO_FMT "raid config change: (%s), elements(%d)\n", ioc->name, (le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? "foreign" : "native", event_data->NumElements); @@ -4884,7 +6331,7 @@ _scsih_sas_ir_config_change_event_debug(struct MPT2SAS_ADAPTER *ioc, element_str = "unknown element"; break; } - printk(KERN_DEBUG "\t(%s:%s), vol handle(0x%04x), " + printk(KERN_INFO "\t(%s:%s), vol handle(0x%04x), " "pd handle(0x%04x), pd num(0x%02x)\n", element_str, reason_str, le16_to_cpu(element->VolDevHandle), le16_to_cpu(element->PhysDiskDevHandle), @@ -4911,10 +6358,15 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, Mpi2EventDataIrConfigChangeList_t *event_data = fw_event->event_data; #ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + && !ioc->hide_ir_msg) _scsih_sas_ir_config_change_event_debug(ioc, event_data); #endif + + if (ioc->shost_recovery) + return; + foreign_config = (le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; @@ -4930,19 +6382,24 @@ _scsih_sas_ir_config_change_event(struct MPT2SAS_ADAPTER *ioc, case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED: case MPI2_EVENT_IR_CHANGE_RC_REMOVED: if (!foreign_config) - _scsih_sas_volume_delete(ioc, element); + _scsih_sas_volume_delete(ioc, + le16_to_cpu(element->VolDevHandle)); break; case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED: - _scsih_sas_pd_hide(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_hide(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED: - _scsih_sas_pd_expose(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_expose(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_HIDE: - _scsih_sas_pd_add(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_add(ioc, element); break; case MPI2_EVENT_IR_CHANGE_RC_UNHIDE: - _scsih_sas_pd_delete(ioc, element); + if (!ioc->is_warpdrive) + _scsih_sas_pd_delete(ioc, element); break; } } @@ -4966,38 +6423,35 @@ _scsih_sas_ir_volume_event(struct MPT2SAS_ADAPTER *ioc, u16 handle; u32 state; int rc; - struct MPT2SAS_TARGET *sas_target_priv_data; Mpi2EventDataIrVolume_t *event_data = fw_event->event_data; + if (ioc->shost_recovery) + return; + if (event_data->ReasonCode != MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED) return; handle = le16_to_cpu(event_data->VolDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + if (!ioc->hide_ir_msg) + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " + "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, + le32_to_cpu(event_data->PreviousValue), state)); switch (state) { case MPI2_RAID_VOL_STATE_MISSING: case MPI2_RAID_VOL_STATE_FAILED: - if (!raid_device) - break; - if (raid_device->starget) { - sas_target_priv_data = raid_device->starget->hostdata; - sas_target_priv_data->deleted = 1; - scsi_remove_target(&raid_device->starget->dev); - } - _scsih_raid_device_remove(ioc, raid_device); + _scsih_sas_volume_delete(ioc, handle); break; case MPI2_RAID_VOL_STATE_ONLINE: case MPI2_RAID_VOL_STATE_DEGRADED: case MPI2_RAID_VOL_STATE_OPTIMAL: + + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + if (raid_device) break; @@ -5056,29 +6510,36 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, Mpi2EventDataIrPhysicalDisk_t *event_data = fw_event->event_data; u64 sas_address; + if (ioc->shost_recovery) + return; + if (event_data->ReasonCode != MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED) return; handle = le16_to_cpu(event_data->PhysDiskDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: handle(0x%04x), " - "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); - - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (!ioc->hide_ir_msg) + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: handle(0x%04x), " + "old(0x%08x), new(0x%08x)\n", ioc->name, __func__, handle, + le32_to_cpu(event_data->PreviousValue), state)); switch (state) { case MPI2_RAID_PD_STATE_ONLINE: case MPI2_RAID_PD_STATE_DEGRADED: case MPI2_RAID_PD_STATE_REBUILDING: case MPI2_RAID_PD_STATE_OPTIMAL: - if (sas_device) { - sas_device->hidden_raid_component = 1; + case MPI2_RAID_PD_STATE_HOT_SPARE: + + if (!ioc->is_warpdrive) + set_bit(handle, ioc->pd_handles); + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + if (sas_device) return; - } if ((mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, @@ -5108,7 +6569,6 @@ _scsih_sas_ir_physical_disk_event(struct MPT2SAS_ADAPTER *ioc, case MPI2_RAID_PD_STATE_OFFLINE: case MPI2_RAID_PD_STATE_NOT_CONFIGURED: case MPI2_RAID_PD_STATE_NOT_COMPATIBLE: - case MPI2_RAID_PD_STATE_HOT_SPARE: default: break; } @@ -5170,94 +6630,48 @@ static void _scsih_sas_ir_operation_status_event(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { + Mpi2EventDataIrOperationStatus_t *event_data = fw_event->event_data; + static struct _raid_device *raid_device; + unsigned long flags; + u16 handle; + #ifdef CONFIG_SCSI_MPT2SAS_LOGGING - if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + if ((ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) + && !ioc->hide_ir_msg) _scsih_sas_ir_operation_status_event_debug(ioc, - fw_event->event_data); + event_data); #endif + + /* code added for raid transport support */ + if (event_data->RAIDOperation == MPI2_EVENT_IR_RAIDOP_RESYNC) { + + spin_lock_irqsave(&ioc->raid_device_lock, flags); + handle = le16_to_cpu(event_data->VolDevHandle); + raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + if (raid_device) + raid_device->percent_complete = + event_data->PercentComplete; + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + } } /** - * _scsih_task_set_full - handle task set full + * _scsih_prep_device_scan - initialize parameters prior to device scan * @ioc: per adapter object - * @fw_event: The fw_event_work object - * Context: user. * - * Throttle back qdepth. + * Set the deleted flag prior to device scan. If the device is found during + * the scan, then we clear the deleted flag. */ static void -_scsih_task_set_full(struct MPT2SAS_ADAPTER *ioc, struct fw_event_work - *fw_event) +_scsih_prep_device_scan(struct MPT2SAS_ADAPTER *ioc) { - unsigned long flags; - struct _sas_device *sas_device; - static struct _raid_device *raid_device; + struct MPT2SAS_DEVICE *sas_device_priv_data; struct scsi_device *sdev; - int depth; - u16 current_depth; - u16 handle; - int id, channel; - u64 sas_address; - Mpi2EventDataTaskSetFull_t *event_data = fw_event->event_data; - - current_depth = le16_to_cpu(event_data->CurrentDepth); - handle = le16_to_cpu(event_data->DevHandle); - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); - if (!sas_device) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; - } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - id = sas_device->id; - channel = sas_device->channel; - sas_address = sas_device->sas_address; - - /* if hidden raid component, then change to volume characteristics */ - if (sas_device->hidden_raid_component && sas_device->volume_handle) { - spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle( - ioc, sas_device->volume_handle); - spin_unlock_irqrestore(&ioc->raid_device_lock, flags); - if (raid_device) { - id = raid_device->id; - channel = raid_device->channel; - handle = raid_device->handle; - sas_address = raid_device->wwid; - } - } - - if (ioc->logging_level & MPT_DEBUG_TASK_SET_FULL) - starget_printk(KERN_DEBUG, sas_device->starget, "task set " - "full: handle(0x%04x), sas_addr(0x%016llx), depth(%d)\n", - handle, (unsigned long long)sas_address, current_depth); shost_for_each_device(sdev, ioc->shost) { - if (sdev->id == id && sdev->channel == channel) { - if (current_depth > sdev->queue_depth) { - if (ioc->logging_level & - MPT_DEBUG_TASK_SET_FULL) - sdev_printk(KERN_INFO, sdev, "strange " - "observation, the queue depth is" - " (%d) meanwhile fw queue depth " - "is (%d)\n", sdev->queue_depth, - current_depth); - continue; - } - depth = scsi_track_queue_full(sdev, - current_depth - 1); - if (depth > 0) - sdev_printk(KERN_INFO, sdev, "Queue depth " - "reduced to (%d)\n", depth); - else if (depth < 0) - sdev_printk(KERN_INFO, sdev, "Tagged Command " - "Queueing is being disabled\n"); - else if (depth == 0) - if (ioc->logging_level & - MPT_DEBUG_TASK_SET_FULL) - sdev_printk(KERN_INFO, sdev, - "Queue depth not changed yet\n"); - } + sas_device_priv_data = sdev->hostdata; + if (sas_device_priv_data && sas_device_priv_data->sas_target) + sas_device_priv_data->sas_target->deleted = 1; } } @@ -5277,7 +6691,7 @@ static void _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, u16 slot, u16 handle) { - struct MPT2SAS_TARGET *sas_target_priv_data; + struct MPT2SAS_TARGET *sas_target_priv_data = NULL; struct scsi_target *starget; struct _sas_device *sas_device; unsigned long flags; @@ -5285,25 +6699,31 @@ _scsih_mark_responding_sas_device(struct MPT2SAS_ADAPTER *ioc, u64 sas_address, spin_lock_irqsave(&ioc->sas_device_lock, flags); list_for_each_entry(sas_device, &ioc->sas_device_list, list) { if (sas_device->sas_address == sas_address && - sas_device->slot == slot && sas_device->starget) { + sas_device->slot == slot) { sas_device->responding = 1; - sas_device->state = 0; starget = sas_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->tm_busy = 0; - starget_printk(KERN_INFO, sas_device->starget, - "handle(0x%04x), sas_addr(0x%016llx), enclosure " - "logical id(0x%016llx), slot(%d)\n", handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long) - sas_device->enclosure_logical_id, - sas_device->slot); + if (starget && starget->hostdata) { + sas_target_priv_data = starget->hostdata; + sas_target_priv_data->tm_busy = 0; + sas_target_priv_data->deleted = 0; + } else + sas_target_priv_data = NULL; + if (starget) + starget_printk(KERN_INFO, starget, + "handle(0x%04x), sas_addr(0x%016llx), " + "enclosure logical id(0x%016llx), " + "slot(%d)\n", handle, + (unsigned long long)sas_device->sas_address, + (unsigned long long) + sas_device->enclosure_logical_id, + sas_device->slot); if (sas_device->handle == handle) goto out; printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", sas_device->handle); sas_device->handle = handle; - sas_target_priv_data->handle = handle; + if (sas_target_priv_data) + sas_target_priv_data->handle = handle; goto out; } } @@ -5331,10 +6751,10 @@ _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) u32 device_info; u16 slot; - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); + printk(MPT2SAS_INFO_FMT "search for end-devices: start\n", ioc->name); if (list_empty(&ioc->sas_device_list)) - return; + goto out; handle = 0xFFFF; while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, @@ -5342,7 +6762,7 @@ _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) handle))) { ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) break; handle = le16_to_cpu(sas_device_pg0.DevHandle); device_info = le32_to_cpu(sas_device_pg0.DeviceInfo); @@ -5353,6 +6773,9 @@ _scsih_search_responding_sas_devices(struct MPT2SAS_ADAPTER *ioc) _scsih_mark_responding_sas_device(ioc, sas_address, slot, handle); } +out: + printk(MPT2SAS_INFO_FMT "search for end-devices: complete\n", + ioc->name); } /** @@ -5378,22 +6801,39 @@ _scsih_mark_responding_raid_device(struct MPT2SAS_ADAPTER *ioc, u64 wwid, spin_lock_irqsave(&ioc->raid_device_lock, flags); list_for_each_entry(raid_device, &ioc->raid_device_list, list) { if (raid_device->wwid == wwid && raid_device->starget) { + starget = raid_device->starget; + if (starget && starget->hostdata) { + sas_target_priv_data = starget->hostdata; + sas_target_priv_data->deleted = 0; + } else + sas_target_priv_data = NULL; raid_device->responding = 1; + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); starget_printk(KERN_INFO, raid_device->starget, "handle(0x%04x), wwid(0x%016llx)\n", handle, (unsigned long long)raid_device->wwid); - if (raid_device->handle == handle) - goto out; + /* + * WARPDRIVE: The handles of the PDs might have changed + * across the host reset so re-initialize the + * required data for Direct IO + */ + _scsih_init_warpdrive_properties(ioc, raid_device); + spin_lock_irqsave(&ioc->raid_device_lock, flags); + if (raid_device->handle == handle) { + spin_unlock_irqrestore(&ioc->raid_device_lock, + flags); + return; + } printk(KERN_INFO "\thandle changed from(0x%04x)!!!\n", raid_device->handle); raid_device->handle = handle; - starget = raid_device->starget; - sas_target_priv_data = starget->hostdata; - sas_target_priv_data->handle = handle; - goto out; + if (sas_target_priv_data) + sas_target_priv_data->handle = handle; + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + return; } } - out: + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); } @@ -5410,26 +6850,62 @@ static void _scsih_search_responding_raid_devices(struct MPT2SAS_ADAPTER *ioc) { Mpi2RaidVolPage1_t volume_pg1; + Mpi2RaidVolPage0_t volume_pg0; + Mpi2RaidPhysDiskPage0_t pd_pg0; Mpi2ConfigReply_t mpi_reply; u16 ioc_status; u16 handle; + u8 phys_disk_num; + + if (!ioc->ir_firmware) + return; - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); + printk(MPT2SAS_INFO_FMT "search for raid volumes: start\n", + ioc->name); if (list_empty(&ioc->raid_device_list)) - return; + goto out; handle = 0xFFFF; while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) break; handle = le16_to_cpu(volume_pg1.DevHandle); - _scsih_mark_responding_raid_device(ioc, - le64_to_cpu(volume_pg1.WWID), handle); + + if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, + &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, + sizeof(Mpi2RaidVolPage0_t))) + continue; + + if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || + volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || + volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) + _scsih_mark_responding_raid_device(ioc, + le64_to_cpu(volume_pg1.WWID), handle); + } + + /* refresh the pd_handles */ + if (!ioc->is_warpdrive) { + phys_disk_num = 0xFF; + memset(ioc->pd_handles, 0, ioc->pd_handles_sz); + while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, + phys_disk_num))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) + break; + phys_disk_num = pd_pg0.PhysDiskNum; + handle = le16_to_cpu(pd_pg0.DevHandle); + set_bit(handle, ioc->pd_handles); + } } +out: + printk(MPT2SAS_INFO_FMT "search for responding raid volumes: " + "complete\n", ioc->name); } /** @@ -5486,13 +6962,13 @@ _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) Mpi2ExpanderPage0_t expander_pg0; Mpi2ConfigReply_t mpi_reply; u16 ioc_status; - __le64 sas_address; + u64 sas_address; u16 handle; - printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__); + printk(MPT2SAS_INFO_FMT "search for expanders: start\n", ioc->name); if (list_empty(&ioc->sas_expander_list)) - return; + goto out; handle = 0xFFFF; while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, @@ -5500,7 +6976,7 @@ _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; - if (ioc_status == MPI2_IOCSTATUS_CONFIG_INVALID_PAGE) + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) break; handle = le16_to_cpu(expander_pg0.DevHandle); @@ -5511,70 +6987,348 @@ _scsih_search_responding_expanders(struct MPT2SAS_ADAPTER *ioc) _scsih_mark_responding_expander(ioc, sas_address, handle); } + out: + printk(MPT2SAS_INFO_FMT "search for expanders: complete\n", ioc->name); } /** - * _scsih_remove_unresponding_devices - removing unresponding devices + * _scsih_remove_unresponding_sas_devices - removing unresponding devices * @ioc: per adapter object * * Return nothing. */ static void -_scsih_remove_unresponding_devices(struct MPT2SAS_ADAPTER *ioc) +_scsih_remove_unresponding_sas_devices(struct MPT2SAS_ADAPTER *ioc) { struct _sas_device *sas_device, *sas_device_next; - struct _sas_node *sas_expander; + struct _sas_node *sas_expander, *sas_expander_next; struct _raid_device *raid_device, *raid_device_next; + struct list_head tmp_list; + unsigned long flags; + printk(MPT2SAS_INFO_FMT "removing unresponding devices: start\n", + ioc->name); + /* removing unresponding end devices */ + printk(MPT2SAS_INFO_FMT "removing unresponding devices: end-devices\n", + ioc->name); list_for_each_entry_safe(sas_device, sas_device_next, &ioc->sas_device_list, list) { - if (sas_device->responding) { + if (!sas_device->responding) + mpt2sas_device_remove_by_sas_address(ioc, + sas_device->sas_address); + else sas_device->responding = 0; + } + + /* removing unresponding volumes */ + if (ioc->ir_firmware) { + printk(MPT2SAS_INFO_FMT "removing unresponding devices: " + "volumes\n", ioc->name); + list_for_each_entry_safe(raid_device, raid_device_next, + &ioc->raid_device_list, list) { + if (!raid_device->responding) + _scsih_sas_volume_delete(ioc, + raid_device->handle); + else + raid_device->responding = 0; + } + } + /* removing unresponding expanders */ + printk(MPT2SAS_INFO_FMT "removing unresponding devices: expanders\n", + ioc->name); + spin_lock_irqsave(&ioc->sas_node_lock, flags); + INIT_LIST_HEAD(&tmp_list); + list_for_each_entry_safe(sas_expander, sas_expander_next, + &ioc->sas_expander_list, list) { + if (!sas_expander->responding) + list_move_tail(&sas_expander->list, &tmp_list); + else + sas_expander->responding = 0; + } + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); + list_for_each_entry_safe(sas_expander, sas_expander_next, &tmp_list, + list) { + list_del(&sas_expander->list); + _scsih_expander_node_remove(ioc, sas_expander); + } + printk(MPT2SAS_INFO_FMT "removing unresponding devices: complete\n", + ioc->name); + /* unblock devices */ + _scsih_ublock_io_all_device(ioc); +} + +static void +_scsih_refresh_expander_links(struct MPT2SAS_ADAPTER *ioc, + struct _sas_node *sas_expander, u16 handle) +{ + Mpi2ExpanderPage1_t expander_pg1; + Mpi2ConfigReply_t mpi_reply; + int i; + + for (i = 0 ; i < sas_expander->num_phys ; i++) { + if ((mpt2sas_config_get_expander_pg1(ioc, &mpi_reply, + &expander_pg1, i, handle))) { + printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + + mpt2sas_transport_update_links(ioc, sas_expander->sas_address, + le16_to_cpu(expander_pg1.AttachedDevHandle), i, + expander_pg1.NegotiatedLinkRate >> 4); + } +} + +/** + * _scsih_scan_for_devices_after_reset - scan for devices after host reset + * @ioc: per adapter object + * + * Return nothing. + */ +static void +_scsih_scan_for_devices_after_reset(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2ExpanderPage0_t expander_pg0; + Mpi2SasDevicePage0_t sas_device_pg0; + Mpi2RaidVolPage1_t volume_pg1; + Mpi2RaidVolPage0_t volume_pg0; + Mpi2RaidPhysDiskPage0_t pd_pg0; + Mpi2EventIrConfigElement_t element; + Mpi2ConfigReply_t mpi_reply; + u8 phys_disk_num; + u16 ioc_status; + u16 handle, parent_handle; + u64 sas_address; + struct _sas_device *sas_device; + struct _sas_node *expander_device; + static struct _raid_device *raid_device; + u8 retry_count; + unsigned long flags; + + printk(MPT2SAS_INFO_FMT "scan devices: start\n", ioc->name); + + _scsih_sas_host_refresh(ioc); + + printk(MPT2SAS_INFO_FMT "\tscan devices: expanders start\n", + ioc->name); + /* expanders */ + handle = 0xFFFF; + while (!(mpt2sas_config_get_expander_pg0(ioc, &mpi_reply, &expander_pg0, + MPI2_SAS_EXPAND_PGAD_FORM_GET_NEXT_HNDL, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from expander scan: " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; + } + handle = le16_to_cpu(expander_pg0.DevHandle); + spin_lock_irqsave(&ioc->sas_node_lock, flags); + expander_device = mpt2sas_scsih_expander_find_by_sas_address( + ioc, le64_to_cpu(expander_pg0.SASAddress)); + spin_unlock_irqrestore(&ioc->sas_node_lock, flags); + if (expander_device) + _scsih_refresh_expander_links(ioc, expander_device, + handle); + else { + printk(MPT2SAS_INFO_FMT "\tBEFORE adding expander: " + "handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(expander_pg0.SASAddress)); + _scsih_expander_add(ioc, handle); + printk(MPT2SAS_INFO_FMT "\tAFTER adding expander: " + "handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(expander_pg0.SASAddress)); + } + } + + printk(MPT2SAS_INFO_FMT "\tscan devices: expanders complete\n", + ioc->name); + + if (!ioc->ir_firmware) + goto skip_to_sas; + + printk(MPT2SAS_INFO_FMT "\tscan devices phys disk start\n", ioc->name); + /* phys disk */ + phys_disk_num = 0xFF; + while (!(mpt2sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_GET_NEXT_PHYSDISKNUM, + phys_disk_num))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan:" + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; + } + phys_disk_num = pd_pg0.PhysDiskNum; + handle = le16_to_cpu(pd_pg0.DevHandle); + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (sas_device) + continue; + if (mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, + &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, + handle) != 0) continue; + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from phys disk scan " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; + } + parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); + if (!_scsih_get_sas_address(ioc, parent_handle, + &sas_address)) { + printk(MPT2SAS_INFO_FMT "\tBEFORE adding phys disk: " + " handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(sas_device_pg0.SASAddress)); + mpt2sas_transport_update_links(ioc, sas_address, + handle, sas_device_pg0.PhyNum, + MPI2_SAS_NEG_LINK_RATE_1_5); + set_bit(handle, ioc->pd_handles); + retry_count = 0; + /* This will retry adding the end device. + * _scsih_add_device() will decide on retries and + * return "1" when it should be retried + */ + while (_scsih_add_device(ioc, handle, retry_count++, + 1)) { + ssleep(1); + } + printk(MPT2SAS_INFO_FMT "\tAFTER adding phys disk: " + " handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(sas_device_pg0.SASAddress)); } - if (sas_device->starget) - starget_printk(KERN_INFO, sas_device->starget, - "removing: handle(0x%04x), sas_addr(0x%016llx), " - "enclosure logical id(0x%016llx), slot(%d)\n", - sas_device->handle, - (unsigned long long)sas_device->sas_address, - (unsigned long long) - sas_device->enclosure_logical_id, - sas_device->slot); - /* invalidate the device handle */ - sas_device->handle = 0; - _scsih_remove_device(ioc, sas_device); } - list_for_each_entry_safe(raid_device, raid_device_next, - &ioc->raid_device_list, list) { - if (raid_device->responding) { - raid_device->responding = 0; + printk(MPT2SAS_INFO_FMT "\tscan devices: phys disk complete\n", + ioc->name); + + printk(MPT2SAS_INFO_FMT "\tscan devices: volumes start\n", ioc->name); + /* volumes */ + handle = 0xFFFF; + while (!(mpt2sas_config_get_raid_volume_pg1(ioc, &mpi_reply, + &volume_pg1, MPI2_RAID_VOLUME_PGAD_FORM_GET_NEXT_HANDLE, handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; + } + handle = le16_to_cpu(volume_pg1.DevHandle); + spin_lock_irqsave(&ioc->raid_device_lock, flags); + raid_device = _scsih_raid_device_find_by_wwid(ioc, + le64_to_cpu(volume_pg1.WWID)); + spin_unlock_irqrestore(&ioc->raid_device_lock, flags); + if (raid_device) continue; + if (mpt2sas_config_get_raid_volume_pg0(ioc, &mpi_reply, + &volume_pg0, MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, handle, + sizeof(Mpi2RaidVolPage0_t))) + continue; + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from volume scan: " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; } - if (raid_device->starget) { - starget_printk(KERN_INFO, raid_device->starget, - "removing: handle(0x%04x), wwid(0x%016llx)\n", - raid_device->handle, - (unsigned long long)raid_device->wwid); - scsi_remove_target(&raid_device->starget->dev); + if (volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_OPTIMAL || + volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_ONLINE || + volume_pg0.VolumeState == MPI2_RAID_VOL_STATE_DEGRADED) { + memset(&element, 0, sizeof(Mpi2EventIrConfigElement_t)); + element.ReasonCode = MPI2_EVENT_IR_CHANGE_RC_ADDED; + element.VolDevHandle = volume_pg1.DevHandle; + printk(MPT2SAS_INFO_FMT "\tBEFORE adding volume: " + " handle (0x%04x)\n", ioc->name, + volume_pg1.DevHandle); + _scsih_sas_volume_add(ioc, &element); + printk(MPT2SAS_INFO_FMT "\tAFTER adding volume: " + " handle (0x%04x)\n", ioc->name, + volume_pg1.DevHandle); } - _scsih_raid_device_remove(ioc, raid_device); } - retry_expander_search: - sas_expander = NULL; - list_for_each_entry(sas_expander, &ioc->sas_expander_list, list) { - if (sas_expander->responding) { - sas_expander->responding = 0; + printk(MPT2SAS_INFO_FMT "\tscan devices: volumes complete\n", + ioc->name); + + skip_to_sas: + + printk(MPT2SAS_INFO_FMT "\tscan devices: end devices start\n", + ioc->name); + /* sas devices */ + handle = 0xFFFF; + while (!(mpt2sas_config_get_sas_device_pg0(ioc, &mpi_reply, + &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_GET_NEXT_HANDLE, + handle))) { + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & + MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_INFO_FMT "\tbreak from end device scan:" + " ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, ioc_status, + le32_to_cpu(mpi_reply.IOCLogInfo)); + break; + } + handle = le16_to_cpu(sas_device_pg0.DevHandle); + if (!(_scsih_is_end_device( + le32_to_cpu(sas_device_pg0.DeviceInfo)))) + continue; + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = mpt2sas_scsih_sas_device_find_by_sas_address(ioc, + le64_to_cpu(sas_device_pg0.SASAddress)); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (sas_device) continue; + parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); + if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { + printk(MPT2SAS_INFO_FMT "\tBEFORE adding end device: " + "handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(sas_device_pg0.SASAddress)); + mpt2sas_transport_update_links(ioc, sas_address, handle, + sas_device_pg0.PhyNum, MPI2_SAS_NEG_LINK_RATE_1_5); + retry_count = 0; + /* This will retry adding the end device. + * _scsih_add_device() will decide on retries and + * return "1" when it should be retried + */ + while (_scsih_add_device(ioc, handle, retry_count++, + 0)) { + ssleep(1); + } + printk(MPT2SAS_INFO_FMT "\tAFTER adding end device: " + "handle (0x%04x), sas_addr(0x%016llx)\n", + ioc->name, handle, (unsigned long long) + le64_to_cpu(sas_device_pg0.SASAddress)); } - _scsih_expander_remove(ioc, sas_expander->sas_address); - goto retry_expander_search; } + + printk(MPT2SAS_INFO_FMT "\tscan devices: end devices complete\n", + ioc->name); + + printk(MPT2SAS_INFO_FMT "scan devices: complete\n", ioc->name); } + /** * mpt2sas_scsih_reset_handler - reset callback handler (for scsih) * @ioc: per adapter object @@ -5592,33 +7346,41 @@ mpt2sas_scsih_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) { switch (reset_phase) { case MPT2_IOC_PRE_RESET: - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " "MPT2_IOC_PRE_RESET\n", ioc->name, __func__)); - _scsih_fw_event_off(ioc); break; case MPT2_IOC_AFTER_RESET: - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " "MPT2_IOC_AFTER_RESET\n", ioc->name, __func__)); + if (ioc->scsih_cmds.status & MPT2_CMD_PENDING) { + ioc->scsih_cmds.status |= MPT2_CMD_RESET; + mpt2sas_base_free_smid(ioc, ioc->scsih_cmds.smid); + complete(&ioc->scsih_cmds.done); + } if (ioc->tm_cmds.status & MPT2_CMD_PENDING) { ioc->tm_cmds.status |= MPT2_CMD_RESET; mpt2sas_base_free_smid(ioc, ioc->tm_cmds.smid); complete(&ioc->tm_cmds.done); } - _scsih_fw_event_on(ioc); + _scsih_fw_event_cleanup_queue(ioc); _scsih_flush_running_cmds(ioc); break; case MPT2_IOC_DONE_RESET: - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " + dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: " "MPT2_IOC_DONE_RESET\n", ioc->name, __func__)); _scsih_sas_host_refresh(ioc); + _scsih_prep_device_scan(ioc); _scsih_search_responding_sas_devices(ioc); _scsih_search_responding_raid_devices(ioc); _scsih_search_responding_expanders(ioc); - break; - case MPT2_IOC_RUNNING: - dtmprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s: " - "MPT2_IOC_RUNNING\n", ioc->name, __func__)); - _scsih_remove_unresponding_devices(ioc); + if ((!ioc->is_driver_loading) && !(disable_discovery > 0 && + !ioc->sas_hba.num_phys)) { + _scsih_prep_device_scan(ioc); + _scsih_search_responding_sas_devices(ioc); + _scsih_search_responding_raid_devices(ioc); + _scsih_search_responding_expanders(ioc); + _scsih_error_recovery_delete_devices(ioc); + } break; } } @@ -5635,25 +7397,36 @@ static void _firmware_event_work(struct work_struct *work) { struct fw_event_work *fw_event = container_of(work, - struct fw_event_work, work); - unsigned long flags; + struct fw_event_work, delayed_work.work); struct MPT2SAS_ADAPTER *ioc = fw_event->ioc; /* the queue is being flushed so ignore this event */ - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (ioc->fw_events_off || ioc->remove_host) { - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + if (ioc->remove_host || fw_event->cancel_pending_work || + ioc->pci_error_recovery) { _scsih_fw_event_free(ioc, fw_event); return; } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - - if (ioc->shost_recovery) { - _scsih_fw_event_requeue(ioc, fw_event, 1000); - return; - } switch (fw_event->event) { + case MPT2SAS_REMOVE_UNRESPONDING_DEVICES: + while (scsi_host_in_recovery(ioc->shost) || ioc->shost_recovery) + ssleep(1); + _scsih_remove_unresponding_sas_devices(ioc); + _scsih_scan_for_devices_after_reset(ioc); + break; + case MPT2SAS_PORT_ENABLE_COMPLETE: + ioc->start_scan = 0; + + if (missing_delay[0] != -1 && missing_delay[1] != -1) + mpt2sas_base_update_missing_delay(ioc, missing_delay[0], + missing_delay[1]); + + dewtprintk(ioc, printk(MPT2SAS_INFO_FMT "port enable: complete " + "from worker thread\n", ioc->name)); + break; + case MPT2SAS_TURN_ON_FAULT_LED: + _scsih_turn_on_fault_led(ioc, fw_event->device_handle); + break; case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST: _scsih_sas_topology_change_event(ioc, fw_event); break; @@ -5666,7 +7439,7 @@ _firmware_event_work(struct work_struct *work) fw_event); break; case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE: - _scsih_sas_broadcast_primative_event(ioc, + _scsih_sas_broadcast_primitive_event(ioc, fw_event); break; case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: @@ -5685,9 +7458,6 @@ _firmware_event_work(struct work_struct *work) case MPI2_EVENT_IR_OPERATION_STATUS: _scsih_sas_ir_operation_status_event(ioc, fw_event); break; - case MPI2_EVENT_TASK_SET_FULL: - _scsih_task_set_full(ioc, fw_event); - break; } _scsih_fw_event_free(ioc, fw_event); } @@ -5702,27 +7472,29 @@ _firmware_event_work(struct work_struct *work) * This function merely adds a new work task into ioc->firmware_event_thread. * The tasks are worked from _firmware_event_work in user context. * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. + * Returns void. */ -u8 +void mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) { struct fw_event_work *fw_event; Mpi2EventNotificationReply_t *mpi_reply; - unsigned long flags; u16 event; + u16 sz; /* events turned off due to host reset or driver unloading */ - spin_lock_irqsave(&ioc->fw_event_lock, flags); - if (ioc->fw_events_off || ioc->remove_host) { - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); - return 1; - } - spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + if (ioc->remove_host || ioc->pci_error_recovery) + return; mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); + + if (unlikely(!mpi_reply)) { + printk(MPT2SAS_ERR_FMT "mpi_reply not valid at %s:%d/%s()!\n", + ioc->name, __FILE__, __LINE__, __func__); + return; + } + event = le16_to_cpu(mpi_reply->Event); switch (event) { @@ -5734,10 +7506,14 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, mpi_reply->EventData; if (baen_data->Primitive != - MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT || - ioc->broadcast_aen_busy) - return 1; - ioc->broadcast_aen_busy = 1; + MPI2_EVENT_PRIMITIVE_ASYNCHRONOUS_EVENT) + return; + + if (ioc->broadcast_aen_busy) { + ioc->broadcast_aen_pending++; + return; + } else + ioc->broadcast_aen_busy = 1; break; } @@ -5746,44 +7522,97 @@ mpt2sas_scsih_event_callback(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, (Mpi2EventDataSasTopologyChangeList_t *) mpi_reply->EventData); break; + case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: + _scsih_check_ir_config_unhide_events(ioc, + (Mpi2EventDataIrConfigChangeList_t *) + mpi_reply->EventData); + break; + case MPI2_EVENT_IR_VOLUME: + _scsih_check_volume_delete_events(ioc, + (Mpi2EventDataIrVolume_t *) + mpi_reply->EventData); + break; + case MPI2_EVENT_LOG_ENTRY_ADDED: + { + Mpi2EventDataLogEntryAdded_t *log_entry; + __le32 *log_code; + + if (!ioc->is_warpdrive) + break; + + log_entry = (Mpi2EventDataLogEntryAdded_t *) + mpi_reply->EventData; + log_code = (__le32 *)log_entry->LogData; + + if (le16_to_cpu(log_entry->LogEntryQualifier) + != MPT2_WARPDRIVE_LOGENTRY) + break; + + switch (le32_to_cpu(*log_code)) { + case MPT2_WARPDRIVE_LC_SSDT: + printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " + "IO Throttling has occurred in the WarpDrive " + "subsystem. Check WarpDrive documentation for " + "additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_SSDLW: + printk(MPT2SAS_WARN_FMT "WarpDrive Warning: " + "Program/Erase Cycles for the WarpDrive subsystem " + "in degraded range. Check WarpDrive documentation " + "for additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_SSDLF: + printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " + "There are no Program/Erase Cycles for the " + "WarpDrive subsystem. The storage device will be " + "in read-only mode. Check WarpDrive documentation " + "for additional details.\n", ioc->name); + break; + case MPT2_WARPDRIVE_LC_BRMF: + printk(MPT2SAS_ERR_FMT "WarpDrive Fatal Error: " + "The Backup Rail Monitor has failed on the " + "WarpDrive subsystem. Check WarpDrive " + "documentation for additional details.\n", + ioc->name); + break; + } + break; + } case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE: case MPI2_EVENT_IR_OPERATION_STATUS: case MPI2_EVENT_SAS_DISCOVERY: case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE: - case MPI2_EVENT_IR_VOLUME: case MPI2_EVENT_IR_PHYSICAL_DISK: - case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - case MPI2_EVENT_TASK_SET_FULL: break; default: /* ignore the rest */ - return 1; + return; } fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); if (!fw_event) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); - return 1; + return; } - fw_event->event_data = - kzalloc(mpi_reply->EventDataLength*4, GFP_ATOMIC); + sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; + fw_event->event_data = kzalloc(sz, GFP_ATOMIC); if (!fw_event->event_data) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); kfree(fw_event); - return 1; + return; } memcpy(fw_event->event_data, mpi_reply->EventData, - mpi_reply->EventDataLength*4); + sz); fw_event->ioc = ioc; fw_event->VF_ID = mpi_reply->VF_ID; fw_event->VP_ID = mpi_reply->VP_ID; fw_event->event = event; _scsih_fw_event_add(ioc, fw_event); - return 1; + return; } /* shost template */ @@ -5797,6 +7626,8 @@ static struct scsi_host_template scsih_driver_template = { .slave_configure = _scsih_slave_configure, .target_destroy = _scsih_target_destroy, .slave_destroy = _scsih_slave_destroy, + .scan_finished = _scsih_scan_finished, + .scan_start = _scsih_scan_start, .change_queue_depth = _scsih_change_queue_depth, .change_queue_type = _scsih_change_queue_type, .eh_abort_handler = _scsih_abort, @@ -5807,7 +7638,7 @@ static struct scsi_host_template scsih_driver_template = { .can_queue = 1, .this_id = -1, .sg_tablesize = MPT2SAS_SG_DEPTH, - .max_sectors = 8192, + .max_sectors = 32767, .cmd_per_lun = 7, .use_clustering = ENABLE_CLUSTERING, .shost_attrs = mpt2sas_host_attrs, @@ -5829,56 +7660,23 @@ static void _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, struct _sas_node *sas_expander) { - struct _sas_port *mpt2sas_port; - struct _sas_device *sas_device; - struct _sas_node *expander_sibling; - unsigned long flags; - - if (!sas_expander) - return; + struct _sas_port *mpt2sas_port, *next; /* remove sibling ports attached to this expander */ - retry_device_search: - list_for_each_entry(mpt2sas_port, + list_for_each_entry_safe(mpt2sas_port, next, &sas_expander->sas_port_list, port_list) { + if (ioc->shost_recovery) + return; if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = - mpt2sas_scsih_sas_device_find_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (!sas_device) - continue; - _scsih_remove_device(ioc, sas_device); - if (ioc->shost_recovery) - return; - goto retry_device_search; - } - } - - retry_expander_search: - list_for_each_entry(mpt2sas_port, - &sas_expander->sas_port_list, port_list) { - - if (mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_EDGE_EXPANDER || + SAS_END_DEVICE) + mpt2sas_device_remove_by_sas_address(ioc, + mpt2sas_port->remote_identify.sas_address); + else if (mpt2sas_port->remote_identify.device_type == + SAS_EDGE_EXPANDER_DEVICE || mpt2sas_port->remote_identify.device_type == - MPI2_SAS_DEVICE_INFO_FANOUT_EXPANDER) { - - spin_lock_irqsave(&ioc->sas_node_lock, flags); - expander_sibling = - mpt2sas_scsih_expander_find_by_sas_address( - ioc, mpt2sas_port->remote_identify.sas_address); - spin_unlock_irqrestore(&ioc->sas_node_lock, flags); - if (!expander_sibling) - continue; - _scsih_expander_remove(ioc, - expander_sibling->sas_address); - if (ioc->shost_recovery) - return; - goto retry_expander_search; - } + SAS_FANOUT_EXPANDER_DEVICE) + mpt2sas_expander_remove(ioc, + mpt2sas_port->remote_identify.sas_address); } mpt2sas_transport_port_remove(ioc, sas_expander->sas_address, @@ -5889,7 +7687,6 @@ _scsih_expander_node_remove(struct MPT2SAS_ADAPTER *ioc, sas_expander->handle, (unsigned long long) sas_expander->sas_address); - list_del(&sas_expander->list); kfree(sas_expander->phy); kfree(sas_expander); } @@ -5914,10 +7711,6 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) if (!ioc->ir_firmware) return; - /* are there any volumes ? */ - if (list_empty(&ioc->raid_device_list)) - return; - mutex_lock(&ioc->scsih_cmds.mutex); if (ioc->scsih_cmds.status != MPT2_CMD_NOT_USED) { @@ -5942,7 +7735,8 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; - printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); + if (!ioc->hide_ir_msg) + printk(MPT2SAS_INFO_FMT "IR shutdown (sending)\n", ioc->name); init_completion(&ioc->scsih_cmds.done); mpt2sas_base_put_smid_default(ioc, smid); wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); @@ -5956,10 +7750,11 @@ _scsih_ir_shutdown(struct MPT2SAS_ADAPTER *ioc) if (ioc->scsih_cmds.status & MPT2_CMD_REPLY_VALID) { mpi_reply = ioc->scsih_cmds.reply; - printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " - "ioc_status(0x%04x), loginfo(0x%08x)\n", - ioc->name, le16_to_cpu(mpi_reply->IOCStatus), - le32_to_cpu(mpi_reply->IOCLogInfo)); + if (!ioc->hide_ir_msg) + printk(MPT2SAS_INFO_FMT "IR shutdown (complete): " + "ioc_status(0x%04x), loginfo(0x%08x)\n", + ioc->name, le16_to_cpu(mpi_reply->IOCStatus), + le32_to_cpu(mpi_reply->IOCLogInfo)); } out: @@ -5978,6 +7773,18 @@ _scsih_shutdown(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + struct workqueue_struct *wq; + unsigned long flags; + + ioc->remove_host = 1; + _scsih_fw_event_cleanup_queue(ioc); + + spin_lock_irqsave(&ioc->fw_event_lock, flags); + wq = ioc->firmware_event_thread; + ioc->firmware_event_thread = NULL; + spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + if (wq) + destroy_workqueue(wq); _scsih_ir_shutdown(ioc); mpt2sas_base_detach(ioc); @@ -5990,19 +7797,19 @@ _scsih_shutdown(struct pci_dev *pdev) * Routine called when unloading the driver. * Return nothing. */ -static void __devexit +static void _scsih_remove(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - struct _sas_port *mpt2sas_port; - struct _sas_device *sas_device; - struct _sas_node *expander_sibling; + struct _sas_port *mpt2sas_port, *next_port; + struct _raid_device *raid_device, *next; + struct MPT2SAS_TARGET *sas_target_priv_data; struct workqueue_struct *wq; unsigned long flags; ioc->remove_host = 1; - _scsih_fw_event_off(ioc); + _scsih_fw_event_cleanup_queue(ioc); spin_lock_irqsave(&ioc->fw_event_lock, flags); wq = ioc->firmware_event_thread; @@ -6011,29 +7818,35 @@ _scsih_remove(struct pci_dev *pdev) if (wq) destroy_workqueue(wq); + /* release all the volumes */ + _scsih_ir_shutdown(ioc); + list_for_each_entry_safe(raid_device, next, &ioc->raid_device_list, + list) { + if (raid_device->starget) { + sas_target_priv_data = + raid_device->starget->hostdata; + sas_target_priv_data->deleted = 1; + scsi_remove_target(&raid_device->starget->dev); + } + printk(MPT2SAS_INFO_FMT "removing handle(0x%04x), wwid" + "(0x%016llx)\n", ioc->name, raid_device->handle, + (unsigned long long) raid_device->wwid); + _scsih_raid_device_remove(ioc, raid_device); + } + /* free ports attached to the sas_host */ - retry_again: - list_for_each_entry(mpt2sas_port, + list_for_each_entry_safe(mpt2sas_port, next_port, &ioc->sas_hba.sas_port_list, port_list) { if (mpt2sas_port->remote_identify.device_type == - SAS_END_DEVICE) { - sas_device = - mpt2sas_scsih_sas_device_find_by_sas_address(ioc, - mpt2sas_port->remote_identify.sas_address); - if (sas_device) { - _scsih_remove_device(ioc, sas_device); - goto retry_again; - } - } else { - expander_sibling = - mpt2sas_scsih_expander_find_by_sas_address(ioc, + SAS_END_DEVICE) + mpt2sas_device_remove_by_sas_address(ioc, + mpt2sas_port->remote_identify.sas_address); + else if (mpt2sas_port->remote_identify.device_type == + SAS_EDGE_EXPANDER_DEVICE || + mpt2sas_port->remote_identify.device_type == + SAS_FANOUT_EXPANDER_DEVICE) + mpt2sas_expander_remove(ioc, mpt2sas_port->remote_identify.sas_address); - if (expander_sibling) { - _scsih_expander_remove(ioc, - expander_sibling->sas_address); - goto retry_again; - } - } } /* free phys attached to the sas_host */ @@ -6044,7 +7857,7 @@ _scsih_remove(struct pci_dev *pdev) } sas_remove_host(shost); - _scsih_shutdown(pdev); + mpt2sas_base_detach(ioc); list_del(&ioc->list); scsi_remove_host(shost); scsi_host_put(shost); @@ -6071,7 +7884,12 @@ _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) unsigned long flags; int rc; + /* no Bios, return immediately */ + if (!ioc->bios_pg3.BiosVersion) + return; + device = NULL; + is_raid = 0; if (ioc->req_boot_device.device) { device = ioc->req_boot_device.device; is_raid = ioc->req_boot_device.is_raid; @@ -6093,20 +7911,26 @@ _scsih_probe_boot_devices(struct MPT2SAS_ADAPTER *ioc) if (rc) _scsih_raid_device_remove(ioc, raid_device); } else { + spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_device = device; handle = sas_device->handle; sas_address_parent = sas_device->sas_address_parent; sas_address = sas_device->sas_address; - spin_lock_irqsave(&ioc->sas_device_lock, flags); list_move_tail(&sas_device->list, &ioc->sas_device_list); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + if (ioc->hide_drives) + return; if (!mpt2sas_transport_port_add(ioc, sas_device->handle, sas_device->sas_address_parent)) { _scsih_sas_device_remove(ioc, sas_device); } else if (!sas_device->starget) { - mpt2sas_transport_port_remove(ioc, sas_address, - sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); + if (!ioc->is_driver_loading) { + mpt2sas_transport_port_remove(ioc, + sas_address, + sas_address_parent); + _scsih_sas_device_remove(ioc, sas_device); + } } } } @@ -6149,19 +7973,28 @@ _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) /* SAS Device List */ list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, list) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_move_tail(&sas_device->list, &ioc->sas_device_list); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + if (ioc->hide_drives) + continue; if (!mpt2sas_transport_port_add(ioc, sas_device->handle, sas_device->sas_address_parent)) { - _scsih_sas_device_remove(ioc, sas_device); + list_del(&sas_device->list); + kfree(sas_device); + continue; } else if (!sas_device->starget) { - mpt2sas_transport_port_remove(ioc, - sas_device->sas_address, - sas_device->sas_address_parent); - _scsih_sas_device_remove(ioc, sas_device); + if (!ioc->is_driver_loading) { + mpt2sas_transport_port_remove(ioc, + sas_device->sas_address, + sas_device->sas_address_parent); + list_del(&sas_device->list); + kfree(sas_device); + continue; + } } + spin_lock_irqsave(&ioc->sas_device_lock, flags); + list_move_tail(&sas_device->list, &ioc->sas_device_list); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } } @@ -6174,9 +8007,7 @@ _scsih_probe_sas(struct MPT2SAS_ADAPTER *ioc) static void _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) { - u16 volume_mapping_flags = - le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & - MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; + u16 volume_mapping_flags; if (!(ioc->facts.ProtocolFlags & MPI2_IOCFACTS_PROTOCOL_SCSI_INITIATOR)) return; /* return when IOC doesn't support initiator mode */ @@ -6184,18 +8015,102 @@ _scsih_probe_devices(struct MPT2SAS_ADAPTER *ioc) _scsih_probe_boot_devices(ioc); if (ioc->ir_firmware) { - if ((volume_mapping_flags & - MPI2_IOCPAGE8_IRFLAGS_HIGH_VOLUME_MAPPING)) { - _scsih_probe_sas(ioc); + volume_mapping_flags = + le16_to_cpu(ioc->ioc_pg8.IRVolumeMappingFlags) & + MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE; + if (volume_mapping_flags == + MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) { _scsih_probe_raid(ioc); + _scsih_probe_sas(ioc); } else { - _scsih_probe_raid(ioc); _scsih_probe_sas(ioc); + _scsih_probe_raid(ioc); } } else _scsih_probe_sas(ioc); } + +/** + * _scsih_scan_start - scsi lld callback for .scan_start + * @shost: SCSI host pointer + * + * The shost has the ability to discover targets on its own instead + * of scanning the entire bus. In our implemention, we will kick off + * firmware discovery. + */ +static void +_scsih_scan_start(struct Scsi_Host *shost) +{ + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + int rc; + + if (diag_buffer_enable != -1 && diag_buffer_enable != 0) + mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); + + if (disable_discovery > 0) + return; + + ioc->start_scan = 1; + rc = mpt2sas_port_enable(ioc); + + if (rc != 0) + printk(MPT2SAS_INFO_FMT "port enable: FAILED\n", ioc->name); +} + +/** + * _scsih_scan_finished - scsi lld callback for .scan_finished + * @shost: SCSI host pointer + * @time: elapsed time of the scan in jiffies + * + * This function will be called periodically until it returns 1 with the + * scsi_host and the elapsed time of the scan in jiffies. In our implemention, + * we wait for firmware discovery to complete, then return 1. + */ +static int +_scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) +{ + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + if (disable_discovery > 0) { + ioc->is_driver_loading = 0; + ioc->wait_for_discovery_to_complete = 0; + return 1; + } + + if (time >= (300 * HZ)) { + ioc->base_cmds.status = MPT2_CMD_NOT_USED; + printk(MPT2SAS_INFO_FMT "port enable: FAILED with timeout " + "(timeout=300s)\n", ioc->name); + ioc->is_driver_loading = 0; + return 1; + } + + if (ioc->start_scan) + return 0; + + if (ioc->start_scan_failed) { + printk(MPT2SAS_INFO_FMT "port enable: FAILED with " + "(ioc_status=0x%08x)\n", ioc->name, ioc->start_scan_failed); + ioc->is_driver_loading = 0; + ioc->wait_for_discovery_to_complete = 0; + ioc->remove_host = 1; + return 1; + } + + printk(MPT2SAS_INFO_FMT "port enable: SUCCESS\n", ioc->name); + ioc->base_cmds.status = MPT2_CMD_NOT_USED; + + if (ioc->wait_for_discovery_to_complete) { + ioc->wait_for_discovery_to_complete = 0; + _scsih_probe_devices(ioc); + } + mpt2sas_base_start_watchdog(ioc); + ioc->is_driver_loading = 0; + return 1; +} + + /** * _scsih_probe - attach and add scsi host * @pdev: PCI device struct @@ -6223,17 +8138,26 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->id = mpt_ids++; sprintf(ioc->name, "%s%d", MPT2SAS_DRIVER_NAME, ioc->id); ioc->pdev = pdev; + if (id->device == MPI2_MFGPAGE_DEVID_SSS6200) { + ioc->is_warpdrive = 1; + ioc->hide_ir_msg = 1; + } else + ioc->mfg_pg10_hide_flag = MFG_PAGE10_EXPOSE_ALL_DISKS; ioc->scsi_io_cb_idx = scsi_io_cb_idx; ioc->tm_cb_idx = tm_cb_idx; ioc->ctl_cb_idx = ctl_cb_idx; ioc->base_cb_idx = base_cb_idx; + ioc->port_enable_cb_idx = port_enable_cb_idx; ioc->transport_cb_idx = transport_cb_idx; ioc->scsih_cb_idx = scsih_cb_idx; ioc->config_cb_idx = config_cb_idx; ioc->tm_tr_cb_idx = tm_tr_cb_idx; + ioc->tm_tr_volume_cb_idx = tm_tr_volume_cb_idx; ioc->tm_sas_control_cb_idx = tm_sas_control_cb_idx; ioc->logging_level = logging_level; + ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; /* misc semaphores and spin locks */ + mutex_init(&ioc->reset_in_progress_mutex); spin_lock_init(&ioc->ioc_reset_in_progress_lock); spin_lock_init(&ioc->scsi_lookup_lock); spin_lock_init(&ioc->sas_device_lock); @@ -6248,13 +8172,34 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&ioc->raid_device_list); INIT_LIST_HEAD(&ioc->sas_hba.sas_port_list); INIT_LIST_HEAD(&ioc->delayed_tr_list); + INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); + INIT_LIST_HEAD(&ioc->reply_queue_list); /* init shost parameters */ - shost->max_cmd_len = 16; + shost->max_cmd_len = 32; shost->max_lun = max_lun; shost->transportt = mpt2sas_transport_template; shost->unique_id = ioc->id; + if (max_sectors != 0xFFFF) { + if (max_sectors < 64) { + shost->max_sectors = 64; + printk(MPT2SAS_WARN_FMT "Invalid value %d passed " + "for max_sectors, range is 64 to 32767. Assigning " + "value of 64.\n", ioc->name, max_sectors); + } else if (max_sectors > 32767) { + shost->max_sectors = 32767; + printk(MPT2SAS_WARN_FMT "Invalid value %d passed " + "for max_sectors, range is 64 to 8192. Assigning " + "default value of 32767.\n", ioc->name, + max_sectors); + } else { + shost->max_sectors = max_sectors & 0xFFFE; + printk(MPT2SAS_INFO_FMT "The max_sectors value is " + "set to %d\n", ioc->name, shost->max_sectors); + } + } + if ((scsi_add_host(shost, &pdev->dev))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); @@ -6262,8 +8207,14 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_add_shost_fail; } - scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION - | SHOST_DIF_TYPE3_PROTECTION); + /* register EEDP capabilities with SCSI layer */ + if (prot_mask) + scsi_host_set_prot(shost, prot_mask); + else + scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION + | SHOST_DIF_TYPE2_PROTECTION + | SHOST_DIF_TYPE3_PROTECTION); + scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC); /* event thread */ @@ -6277,15 +8228,28 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out_thread_fail; } - ioc->wait_for_port_enable_to_complete = 1; + ioc->is_driver_loading = 1; if ((mpt2sas_base_attach(ioc))) { printk(MPT2SAS_ERR_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); goto out_attach_fail; } - ioc->wait_for_port_enable_to_complete = 0; - _scsih_probe_devices(ioc); + if (ioc->is_warpdrive) { + if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_EXPOSE_ALL_DISKS) + ioc->hide_drives = 0; + else if (ioc->mfg_pg10_hide_flag == MFG_PAGE10_HIDE_ALL_DISKS) + ioc->hide_drives = 1; + else { + if (_scsih_get_num_volumes(ioc)) + ioc->hide_drives = 1; + else + ioc->hide_drives = 0; + } + } else + ioc->hide_drives = 0; + scsi_scan_host(shost); + return 0; out_attach_fail: @@ -6294,6 +8258,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) list_del(&ioc->list); scsi_remove_host(shost); out_add_shost_fail: + scsi_host_put(shost); return -ENODEV; } @@ -6310,11 +8275,11 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - u32 device_state; + pci_power_t device_state; mpt2sas_base_stop_watchdog(ioc); - flush_scheduled_work(); scsi_block_requests(shost); + _scsih_ir_shutdown(ioc); device_state = pci_choose_state(pdev, state); printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, entering " "operating state [D%d]\n", ioc->name, pdev, @@ -6322,7 +8287,6 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) mpt2sas_base_free_resources(ioc); pci_save_state(pdev); - pci_disable_device(pdev); pci_set_power_state(pdev, device_state); return 0; } @@ -6338,7 +8302,7 @@ _scsih_resume(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); - u32 device_state = pdev->current_state; + pci_power_t device_state = pdev->current_state; int r; printk(MPT2SAS_INFO_FMT "pdev=0x%p, slot=%s, previous " @@ -6360,19 +8324,150 @@ _scsih_resume(struct pci_dev *pdev) } #endif /* CONFIG_PM */ +/** + * _scsih_pci_error_detected - Called when a PCI error is detected. + * @pdev: PCI device struct + * @state: PCI channel state + * + * Description: Called when a PCI error is detected. + * + * Return value: + * PCI_ERS_RESULT_NEED_RESET or PCI_ERS_RESULT_DISCONNECT + */ +static pci_ers_result_t +_scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + printk(MPT2SAS_INFO_FMT "PCI error: detected callback, state(%d)!!\n", + ioc->name, state); + + switch (state) { + case pci_channel_io_normal: + return PCI_ERS_RESULT_CAN_RECOVER; + case pci_channel_io_frozen: + /* Fatal error, prepare for slot reset */ + ioc->pci_error_recovery = 1; + scsi_block_requests(ioc->shost); + mpt2sas_base_stop_watchdog(ioc); + mpt2sas_base_free_resources(ioc); + return PCI_ERS_RESULT_NEED_RESET; + case pci_channel_io_perm_failure: + /* Permanent error, prepare for device removal */ + ioc->pci_error_recovery = 1; + mpt2sas_base_stop_watchdog(ioc); + _scsih_flush_running_cmds(ioc); + return PCI_ERS_RESULT_DISCONNECT; + } + return PCI_ERS_RESULT_NEED_RESET; +} + +/** + * _scsih_pci_slot_reset - Called when PCI slot has been reset. + * @pdev: PCI device struct + * + * Description: This routine is called by the pci error recovery + * code after the PCI slot has been reset, just before we + * should resume normal operations. + */ +static pci_ers_result_t +_scsih_pci_slot_reset(struct pci_dev *pdev) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + int rc; + + printk(MPT2SAS_INFO_FMT "PCI error: slot reset callback!!\n", + ioc->name); + + ioc->pci_error_recovery = 0; + ioc->pdev = pdev; + pci_restore_state(pdev); + rc = mpt2sas_base_map_resources(ioc); + if (rc) + return PCI_ERS_RESULT_DISCONNECT; + + + rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, + FORCE_BIG_HAMMER); + + printk(MPT2SAS_WARN_FMT "hard reset: %s\n", ioc->name, + (rc == 0) ? "success" : "failed"); + + if (!rc) + return PCI_ERS_RESULT_RECOVERED; + else + return PCI_ERS_RESULT_DISCONNECT; +} + +/** + * _scsih_pci_resume() - resume normal ops after PCI reset + * @pdev: pointer to PCI device + * + * Called when the error recovery driver tells us that its + * OK to resume normal operation. Use completion to allow + * halted scsi ops to resume. + */ +static void +_scsih_pci_resume(struct pci_dev *pdev) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + printk(MPT2SAS_INFO_FMT "PCI error: resume callback!!\n", ioc->name); + + pci_cleanup_aer_uncorrect_error_status(pdev); + mpt2sas_base_start_watchdog(ioc); + scsi_unblock_requests(ioc->shost); +} + +/** + * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers + * @pdev: pointer to PCI device + */ +static pci_ers_result_t +_scsih_pci_mmio_enabled(struct pci_dev *pdev) +{ + struct Scsi_Host *shost = pci_get_drvdata(pdev); + struct MPT2SAS_ADAPTER *ioc = shost_priv(shost); + + printk(MPT2SAS_INFO_FMT "PCI error: mmio enabled callback!!\n", + ioc->name); + + /* TODO - dump whatever for debugging purposes */ + + /* Request a slot reset. */ + return PCI_ERS_RESULT_NEED_RESET; +} + +static const struct pci_error_handlers _scsih_err_handler = { + .error_detected = _scsih_pci_error_detected, + .mmio_enabled = _scsih_pci_mmio_enabled, + .slot_reset = _scsih_pci_slot_reset, + .resume = _scsih_pci_resume, +}; static struct pci_driver scsih_driver = { .name = MPT2SAS_DRIVER_NAME, .id_table = scsih_pci_table, .probe = _scsih_probe, - .remove = __devexit_p(_scsih_remove), + .remove = _scsih_remove, .shutdown = _scsih_shutdown, + .err_handler = &_scsih_err_handler, #ifdef CONFIG_PM .suspend = _scsih_suspend, .resume = _scsih_resume, #endif }; +/* raid transport support */ +static struct raid_function_template mpt2sas_raid_functions = { + .cookie = &scsih_driver_template, + .is_raid = _scsih_is_raid, + .get_resync = _scsih_get_resync, + .get_state = _scsih_get_state, +}; /** * _scsih_init - main entry point for this driver. @@ -6392,17 +8487,25 @@ _scsih_init(void) sas_attach_transport(&mpt2sas_transport_functions); if (!mpt2sas_transport_template) return -ENODEV; + /* raid transport support */ + mpt2sas_raid_template = raid_class_attach(&mpt2sas_raid_functions); + if (!mpt2sas_raid_template) { + sas_release_transport(mpt2sas_transport_template); + return -ENODEV; + } mpt2sas_base_initialize_callback_handler(); /* queuecommand callback hander */ scsi_io_cb_idx = mpt2sas_base_register_callback_handler(_scsih_io_done); - /* task managment callback handler */ + /* task management callback handler */ tm_cb_idx = mpt2sas_base_register_callback_handler(_scsih_tm_done); /* base internal commands callback handler */ base_cb_idx = mpt2sas_base_register_callback_handler(mpt2sas_base_done); + port_enable_cb_idx = mpt2sas_base_register_callback_handler( + mpt2sas_port_enable_done); /* transport internal commands callback handler */ transport_cb_idx = mpt2sas_base_register_callback_handler( @@ -6420,14 +8523,21 @@ _scsih_init(void) tm_tr_cb_idx = mpt2sas_base_register_callback_handler( _scsih_tm_tr_complete); + + tm_tr_volume_cb_idx = mpt2sas_base_register_callback_handler( + _scsih_tm_volume_tr_complete); + tm_sas_control_cb_idx = mpt2sas_base_register_callback_handler( _scsih_sas_control_complete); mpt2sas_ctl_init(); error = pci_register_driver(&scsih_driver); - if (error) + if (error) { + /* raid transport support */ + raid_class_release(mpt2sas_raid_template); sas_release_transport(mpt2sas_transport_template); + } return error; } @@ -6445,19 +8555,25 @@ _scsih_exit(void) pci_unregister_driver(&scsih_driver); - sas_release_transport(mpt2sas_transport_template); + mpt2sas_ctl_exit(); + mpt2sas_base_release_callback_handler(scsi_io_cb_idx); mpt2sas_base_release_callback_handler(tm_cb_idx); mpt2sas_base_release_callback_handler(base_cb_idx); + mpt2sas_base_release_callback_handler(port_enable_cb_idx); mpt2sas_base_release_callback_handler(transport_cb_idx); mpt2sas_base_release_callback_handler(scsih_cb_idx); mpt2sas_base_release_callback_handler(config_cb_idx); mpt2sas_base_release_callback_handler(ctl_cb_idx); mpt2sas_base_release_callback_handler(tm_tr_cb_idx); + mpt2sas_base_release_callback_handler(tm_tr_volume_cb_idx); mpt2sas_base_release_callback_handler(tm_sas_control_cb_idx); - mpt2sas_ctl_exit(); + /* raid transport support */ + raid_class_release(mpt2sas_raid_template); + sas_release_transport(mpt2sas_transport_template); + } module_init(_scsih_init); |