diff options
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 596 |
1 files changed, 423 insertions, 173 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 81209ca8727..8b88118e20e 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -3,7 +3,7 @@ * for access to MPT (Message Passing Technology) firmware. * * This code is based on drivers/scsi/mpt2sas/mpt2_base.c - * Copyright (C) 2007-2010 LSI Corporation + * Copyright (C) 2007-2013 LSI Corporation * (mailto:DL-MPTFusionLinux@lsi.com) * * This program is free software; you can redistribute it and/or @@ -57,6 +57,7 @@ #include <linux/sort.h> #include <linux/io.h> #include <linux/time.h> +#include <linux/kthread.h> #include <linux/aer.h> #include "mpt2sas_base.h" @@ -65,6 +66,8 @@ static MPT_CALLBACK mpt_callbacks[MPT_MAX_CALLBACKS]; #define FAULT_POLLING_INTERVAL 1000 /* in milliseconds */ +#define MAX_HBA_QUEUE_DEPTH 30000 +#define MAX_CHAIN_DEPTH 100000 static int max_queue_depth = -1; module_param(max_queue_depth, int, 0); MODULE_PARM_DESC(max_queue_depth, " max controller queue depth "); @@ -77,25 +80,9 @@ static int msix_disable = -1; module_param(msix_disable, int, 0); MODULE_PARM_DESC(msix_disable, " disable msix routed interrupts (default=0)"); -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"); - -/* 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; -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 mpt2sas_fwfault_debug; MODULE_PARM_DESC(mpt2sas_fwfault_debug, " enable detection of firmware fault " - "and halt firmware - (default=0)"); + "and halt firmware - (default=0)"); static int disable_discovery = -1; module_param(disable_discovery, int, 0); @@ -119,10 +106,34 @@ _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) ioc->fwfault_debug = mpt2sas_fwfault_debug; return 0; } + module_param_call(mpt2sas_fwfault_debug, _scsih_set_fwfault_debug, param_get_int, &mpt2sas_fwfault_debug, 0644); /** + * mpt2sas_remove_dead_ioc_func - kthread context to remove dead ioc + * @arg: input argument, used to derive ioc + * + * Return 0 if controller is removed from pci subsystem. + * Return -1 for other case. + */ +static int mpt2sas_remove_dead_ioc_func(void *arg) +{ + struct MPT2SAS_ADAPTER *ioc = (struct MPT2SAS_ADAPTER *)arg; + struct pci_dev *pdev; + + if ((ioc == NULL)) + return -1; + + pdev = ioc->pdev; + if ((pdev == NULL)) + return -1; + pci_stop_and_remove_bus_device_locked(pdev); + return 0; +} + + +/** * _base_fault_reset_work - workq handling ioc fault conditions * @work: input argument, used to derive ioc * Context: sleep. @@ -137,13 +148,63 @@ _base_fault_reset_work(struct work_struct *work) unsigned long flags; u32 doorbell; int rc; + struct task_struct *p; spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); - if (ioc->shost_recovery) + if (ioc->shost_recovery || ioc->pci_error_recovery) goto rearm_timer; spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); doorbell = mpt2sas_base_get_iocstate(ioc, 0); + if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_MASK) { + printk(MPT2SAS_INFO_FMT "%s : SAS host is non-operational !!!!\n", + ioc->name, __func__); + + /* It may be possible that EEH recovery can resolve some of + * pci bus failure issues rather removing the dead ioc function + * by considering controller is in a non-operational state. So + * here priority is given to the EEH recovery. If it doesn't + * not resolve this issue, mpt2sas driver will consider this + * controller to non-operational state and remove the dead ioc + * function. + */ + if (ioc->non_operational_loop++ < 5) { + spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, + flags); + goto rearm_timer; + } + + /* + * Call _scsih_flush_pending_cmds callback so that we flush all + * pending commands back to OS. This call is required to aovid + * deadlock at block layer. Dead IOC will fail to do diag reset, + * and this call is safe since dead ioc will never return any + * command back from HW. + */ + ioc->schedule_dead_ioc_flush_running_cmds(ioc); + /* + * Set remove_host flag early since kernel thread will + * take some time to execute. + */ + ioc->remove_host = 1; + /*Remove the Dead Host */ + p = kthread_run(mpt2sas_remove_dead_ioc_func, ioc, + "mpt2sas_dead_ioc_%d", ioc->id); + if (IS_ERR(p)) { + printk(MPT2SAS_ERR_FMT + "%s: Running mpt2sas_dead_ioc thread failed !!!!\n", + ioc->name, __func__); + } else { + printk(MPT2SAS_ERR_FMT + "%s: Running mpt2sas_dead_ioc thread success !!!!\n", + ioc->name, __func__); + } + + return; /* don't rearm timer */ + } + + ioc->non_operational_loop = 0; + if ((doorbell & MPI2_IOC_STATE_MASK) == MPI2_IOC_STATE_FAULT) { rc = mpt2sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); @@ -608,7 +669,7 @@ _base_sas_log_info(struct MPT2SAS_ADAPTER *ioc , u32 log_info) return; /* eat the loginfos associated with task aborts */ - if (ioc->ignore_loginfos && (log_info == 30050000 || log_info == + if (ioc->ignore_loginfos && (log_info == 0x30050000 || log_info == 0x31140000 || log_info == 0x31130000)) return; @@ -650,6 +711,11 @@ _base_display_reply_info(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u16 ioc_status; 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; + } ioc_status = le16_to_cpu(mpi_reply->IOCStatus); #ifdef CONFIG_SCSI_MPT2SAS_LOGGING if ((ioc_status & MPI2_IOCSTATUS_MASK) && @@ -691,6 +757,7 @@ mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, memcpy(ioc->base_cmds.reply, mpi_reply, mpi_reply->MsgLength*4); } ioc->base_cmds.status &= ~MPT2_CMD_PENDING; + complete(&ioc->base_cmds.done); return 1; } @@ -701,10 +768,9 @@ mpt2sas_base_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, * @msix_index: MSIX table index supplied by the OS * @reply: reply message frame(lower 32bit addr) * - * Return 1 meaning mf should be freed from _base_interrupt - * 0 means the mf is freed from this function. + * Returns void. */ -static u8 +static void _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) { Mpi2EventNotificationReply_t *mpi_reply; @@ -713,9 +779,9 @@ _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); if (!mpi_reply) - return 1; + return; if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) - return 1; + return; #ifdef CONFIG_SCSI_MPT2SAS_LOGGING _base_display_event_data(ioc, mpi_reply); #endif @@ -745,7 +811,7 @@ _base_async_event(struct MPT2SAS_ADAPTER *ioc, u8 msix_index, u32 reply) /* ctl callback handler */ mpt2sas_ctl_event_callback(ioc, msix_index, reply); - return 1; + return; } /** @@ -880,16 +946,18 @@ _base_interrupt(int irq, void *bus_id) else if (request_desript_type == MPI2_RPY_DESCRIPT_FLAGS_TARGETASSIST_SUCCESS) goto next; - if (smid) + if (smid) { cb_idx = _base_get_cb_idx(ioc, smid); - if (smid && cb_idx != 0xFF) { - rc = mpt_callbacks[cb_idx](ioc, smid, msix_index, - reply); + if ((likely(cb_idx < MPT_MAX_CALLBACKS)) + && (likely(mpt_callbacks[cb_idx] != NULL))) { + rc = mpt_callbacks[cb_idx](ioc, smid, + msix_index, reply); if (reply) - _base_display_reply_info(ioc, smid, msix_index, - reply); + _base_display_reply_info(ioc, smid, + msix_index, reply); if (rc) mpt2sas_base_free_smid(ioc, smid); + } } if (!smid) _base_async_event(ioc, msix_index, reply); @@ -1152,6 +1220,13 @@ _base_check_enable_msix(struct MPT2SAS_ADAPTER *ioc) u16 message_control; + /* Check whether controller SAS2008 B0 controller, + if it is SAS2008 B0 controller use IO-APIC instead of MSIX */ + if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 && + ioc->pdev->revision == 0x01) { + return -EINVAL; + } + base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); if (!base) { dfailprintk(ioc, printk(MPT2SAS_INFO_FMT "msix not " @@ -1333,8 +1408,6 @@ _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) int i; u8 try_msix = 0; - INIT_LIST_HEAD(&ioc->reply_queue_list); - if (msix_disable == -1 || msix_disable == 0) try_msix = 1; @@ -1344,7 +1417,7 @@ _base_enable_msix(struct MPT2SAS_ADAPTER *ioc) if (_base_check_enable_msix(ioc) != 0) goto try_ioapic; - ioc->reply_queue_count = min_t(u8, ioc->cpu_count, + ioc->reply_queue_count = min_t(int, ioc->cpu_count, ioc->msix_vector_count); entries = kcalloc(ioc->reply_queue_count, sizeof(struct msix_entry), @@ -1413,6 +1486,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) if (pci_enable_device_mem(pdev)) { printk(MPT2SAS_WARN_FMT "pci_enable_device_mem: " "failed\n", ioc->name); + ioc->bars = 0; return -ENODEV; } @@ -1421,6 +1495,7 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc) MPT2SAS_DRIVER_NAME)) { printk(MPT2SAS_WARN_FMT "pci_request_selected_regions: " "failed\n", ioc->name); + ioc->bars = 0; r = -ENODEV; goto out_fail; } @@ -1664,14 +1739,14 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) list_for_each_entry_safe(chain_req, next, &ioc->scsi_lookup[i].chain_list, tracker_list) { list_del_init(&chain_req->tracker_list); - list_add_tail(&chain_req->tracker_list, + list_add(&chain_req->tracker_list, &ioc->free_chain_list); } } ioc->scsi_lookup[i].cb_idx = 0xFF; ioc->scsi_lookup[i].scmd = NULL; ioc->scsi_lookup[i].direct_io = 0; - list_add_tail(&ioc->scsi_lookup[i].tracker_list, + list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list); spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); @@ -1689,13 +1764,13 @@ mpt2sas_base_free_smid(struct MPT2SAS_ADAPTER *ioc, u16 smid) /* hi-priority */ i = smid - ioc->hi_priority_smid; ioc->hpr_lookup[i].cb_idx = 0xFF; - list_add_tail(&ioc->hpr_lookup[i].tracker_list, + list_add(&ioc->hpr_lookup[i].tracker_list, &ioc->hpr_free_list); } else if (smid <= ioc->hba_queue_depth) { /* internal queue */ i = smid - ioc->internal_smid; ioc->internal_lookup[i].cb_idx = 0xFF; - list_add_tail(&ioc->internal_lookup[i].tracker_list, + list_add(&ioc->internal_lookup[i].tracker_list, &ioc->internal_free_list); } spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); @@ -1735,7 +1810,7 @@ static inline void _base_writeq(__u64 b, volatile void __iomem *addr, static inline u8 _base_get_msix_index(struct MPT2SAS_ADAPTER *ioc) { - return ioc->cpu_msix_table[smp_processor_id()]; + return ioc->cpu_msix_table[raw_smp_processor_id()]; } /** @@ -1914,6 +1989,10 @@ _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, MPT2SAS_INTEL_RMS2LL040_BRANDING); break; + case MPT2SAS_INTEL_SSD910_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_SSD910_BRANDING); + break; default: break; } @@ -1923,6 +2002,30 @@ _base_display_intel_branding(struct MPT2SAS_ADAPTER *ioc) printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, MPT2SAS_INTEL_RS25GB008_BRANDING); break; + case MPT2SAS_INTEL_RMS25JB080_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25JB080_BRANDING); + break; + case MPT2SAS_INTEL_RMS25JB040_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25JB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25KB080_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25KB080_BRANDING); + break; + case MPT2SAS_INTEL_RMS25KB040_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25KB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25LB040_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25LB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25LB080_SSDID: + printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25LB080_BRANDING); + break; default: break; } @@ -1990,12 +2093,10 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) { int i = 0; char desc[16]; - u8 revision; u32 iounit_pg1_flags; u32 bios_version; bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); - pci_read_config_byte(ioc->pdev, PCI_CLASS_REVISION, &revision); strncpy(desc, ioc->manu_pg0.ChipName, 16); printk(MPT2SAS_INFO_FMT "%s: FWVersion(%02d.%02d.%02d.%02d), " "ChipRevision(0x%02x), BiosVersion(%02d.%02d.%02d.%02d)\n", @@ -2004,7 +2105,7 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) (ioc->facts.FWVersion.Word & 0x00FF0000) >> 16, (ioc->facts.FWVersion.Word & 0x0000FF00) >> 8, ioc->facts.FWVersion.Word & 0x000000FF, - revision, + ioc->pdev->revision, (bios_version & 0xFF000000) >> 24, (bios_version & 0x00FF0000) >> 16, (bios_version & 0x0000FF00) >> 8, @@ -2093,7 +2194,7 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) } /** - * _base_update_missing_delay - change the missing delay timers + * mpt2sas_base_update_missing_delay - change the missing delay timers * @ioc: per adapter object * @device_missing_delay: amount of time till device is reported missing * @io_missing_delay: interval IO is returned when there is a missing device @@ -2104,8 +2205,8 @@ _base_display_ioc_capabilities(struct MPT2SAS_ADAPTER *ioc) * delay, as well as the io missing delay. This should be called at driver * load time. */ -static void -_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, +void +mpt2sas_base_update_missing_delay(struct MPT2SAS_ADAPTER *ioc, u16 device_missing_delay, u8 io_missing_delay) { u16 dmd, dmd_new, dmd_orignal; @@ -2309,8 +2410,6 @@ _base_release_memory_pools(struct MPT2SAS_ADAPTER *ioc) } if (ioc->chain_dma_pool) pci_pool_destroy(ioc->chain_dma_pool); - } - if (ioc->chain_lookup) { free_pages((ulong)ioc->chain_lookup, ioc->chain_pages); ioc->chain_lookup = NULL; } @@ -2328,9 +2427,7 @@ static int _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) { struct mpt2sas_facts *facts; - u32 queue_size, queue_diff; u16 max_sge_elements; - u16 num_of_reply_frames; u16 chains_needed_per_io; u32 sz, total_sz, reply_post_free_sz; u32 retry_sz; @@ -2353,11 +2450,15 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } /* command line tunables for max controller queue depth */ - if (max_queue_depth != -1) - max_request_credit = (max_queue_depth < facts->RequestCredit) - ? max_queue_depth : facts->RequestCredit; - else - max_request_credit = facts->RequestCredit; + if (max_queue_depth != -1 && max_queue_depth != 0) { + max_request_credit = min_t(u16, max_queue_depth + + ioc->hi_priority_depth + ioc->internal_depth, + facts->RequestCredit); + if (max_request_credit > MAX_HBA_QUEUE_DEPTH) + max_request_credit = MAX_HBA_QUEUE_DEPTH; + } else + max_request_credit = min_t(u16, facts->RequestCredit, + MAX_HBA_QUEUE_DEPTH); ioc->hba_queue_depth = max_request_credit; ioc->hi_priority_depth = facts->HighPriorityCredit; @@ -2398,50 +2499,27 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } ioc->chains_needed_per_io = chains_needed_per_io; - /* reply free queue sizing - taking into account for events */ - num_of_reply_frames = ioc->hba_queue_depth + 32; + /* reply free queue sizing - taking into account for 64 FW events */ + ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; - /* number of replies frames can't be a multiple of 16 */ - /* decrease number of reply frames by 1 */ - if (!(num_of_reply_frames % 16)) - num_of_reply_frames--; + /* calculate reply descriptor post queue depth */ + ioc->reply_post_queue_depth = ioc->hba_queue_depth + + ioc->reply_free_queue_depth + 1; + /* align the reply post queue on the next 16 count boundary */ + if (ioc->reply_post_queue_depth % 16) + ioc->reply_post_queue_depth += 16 - + (ioc->reply_post_queue_depth % 16); - /* calculate number of reply free queue entries - * (must be multiple of 16) - */ - - /* (we know reply_free_queue_depth is not a multiple of 16) */ - queue_size = num_of_reply_frames; - queue_size += 16 - (queue_size % 16); - ioc->reply_free_queue_depth = queue_size; - /* reply descriptor post queue sizing */ - /* this size should be the number of request frames + number of reply - * frames - */ - - queue_size = ioc->hba_queue_depth + num_of_reply_frames + 1; - /* round up to 16 byte boundary */ - if (queue_size % 16) - queue_size += 16 - (queue_size % 16); - - /* check against IOC maximum reply post queue depth */ - if (queue_size > facts->MaxReplyDescriptorPostQueueDepth) { - queue_diff = queue_size - - facts->MaxReplyDescriptorPostQueueDepth; - - /* round queue_diff up to multiple of 16 */ - if (queue_diff % 16) - queue_diff += 16 - (queue_diff % 16); - - /* adjust hba_queue_depth, reply_free_queue_depth, - * and queue_size - */ - ioc->hba_queue_depth -= (queue_diff / 2); - ioc->reply_free_queue_depth -= (queue_diff / 2); - queue_size = facts->MaxReplyDescriptorPostQueueDepth; + if (ioc->reply_post_queue_depth > + facts->MaxReplyDescriptorPostQueueDepth) { + ioc->reply_post_queue_depth = + facts->MaxReplyDescriptorPostQueueDepth - + (facts->MaxReplyDescriptorPostQueueDepth % 16); + ioc->hba_queue_depth = + ((ioc->reply_post_queue_depth - 64) / 2) - 1; + ioc->reply_free_queue_depth = ioc->hba_queue_depth + 64; } - ioc->reply_post_queue_depth = queue_size; dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scatter gather: " "sge_in_main_msg(%d), sge_per_chain(%d), sge_per_io(%d), " @@ -2455,7 +2533,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) /* set the scsi host can_queue depth * with some internal commands that could be outstanding */ - ioc->shost->can_queue = ioc->scsiio_depth - (2); + ioc->shost->can_queue = ioc->scsiio_depth; dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); @@ -2527,15 +2605,17 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) "depth(%d)\n", ioc->name, ioc->request, ioc->scsiio_depth)); - /* loop till the allocation succeeds */ - do { - sz = ioc->chain_depth * sizeof(struct chain_tracker); - ioc->chain_pages = get_order(sz); - ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( - GFP_KERNEL, ioc->chain_pages); - if (ioc->chain_lookup == NULL) - ioc->chain_depth -= 100; - } while (ioc->chain_lookup == NULL); + ioc->chain_depth = min_t(u32, ioc->chain_depth, MAX_CHAIN_DEPTH); + sz = ioc->chain_depth * sizeof(struct chain_tracker); + ioc->chain_pages = get_order(sz); + + ioc->chain_lookup = (struct chain_tracker *)__get_free_pages( + GFP_KERNEL, ioc->chain_pages); + if (!ioc->chain_lookup) { + printk(MPT2SAS_ERR_FMT "chain_lookup: get_free_pages failed, " + "sz(%d)\n", ioc->name, (int)sz); + goto out; + } ioc->chain_dma_pool = pci_pool_create("chain pool", ioc->pdev, ioc->request_sz, 16, 0); if (!ioc->chain_dma_pool) { @@ -3134,8 +3214,8 @@ mpt2sas_base_sas_iounit_control(struct MPT2SAS_ADAPTER *ioc, if (mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || mpi_request->Operation == MPI2_SAS_OP_PHY_LINK_RESET) ioc->ioc_link_reset_in_progress = 1; - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->base_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, msecs_to_jiffies(10000)); if ((mpi_request->Operation == MPI2_SAS_OP_PHY_HARD_RESET || @@ -3236,8 +3316,8 @@ mpt2sas_base_scsi_enclosure_processor(struct MPT2SAS_ADAPTER *ioc, request = mpt2sas_base_get_msg_frame(ioc, smid); ioc->base_cmds.smid = smid; memcpy(request, mpi_request, sizeof(Mpi2SepReply_t)); - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->base_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, msecs_to_jiffies(10000)); if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { @@ -3301,7 +3381,7 @@ _base_get_port_facts(struct MPT2SAS_ADAPTER *ioc, int port, int sleep_flag) } pfacts = &ioc->pfacts[port]; - memset(pfacts, 0, sizeof(Mpi2PortFactsReply_t)); + memset(pfacts, 0, sizeof(struct mpt2sas_port_facts)); pfacts->PortNumber = mpi_reply.PortNumber; pfacts->VP_ID = mpi_reply.VP_ID; pfacts->VF_ID = mpi_reply.VF_ID; @@ -3343,7 +3423,7 @@ _base_get_ioc_facts(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } facts = &ioc->facts; - memset(facts, 0, sizeof(Mpi2IOCFactsReply_t)); + memset(facts, 0, sizeof(struct mpt2sas_facts)); facts->MsgVersion = le16_to_cpu(mpi_reply.MsgVersion); facts->HeaderVersion = le16_to_cpu(mpi_reply.HeaderVersion); facts->VP_ID = mpi_reply.VP_ID; @@ -3470,6 +3550,58 @@ _base_send_ioc_init(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } /** + * mpt2sas_port_enable_done - command completion routine for port enable + * @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) + * + * Return 1 meaning mf should be freed from _base_interrupt + * 0 means the mf is freed from this function. + */ +u8 +mpt2sas_port_enable_done(struct MPT2SAS_ADAPTER *ioc, u16 smid, u8 msix_index, + u32 reply) +{ + MPI2DefaultReply_t *mpi_reply; + u16 ioc_status; + + mpi_reply = mpt2sas_base_get_reply_virt_addr(ioc, reply); + if (mpi_reply && mpi_reply->Function == MPI2_FUNCTION_EVENT_ACK) + return 1; + + if (ioc->port_enable_cmds.status == MPT2_CMD_NOT_USED) + return 1; + + ioc->port_enable_cmds.status |= MPT2_CMD_COMPLETE; + if (mpi_reply) { + ioc->port_enable_cmds.status |= MPT2_CMD_REPLY_VALID; + memcpy(ioc->port_enable_cmds.reply, mpi_reply, + mpi_reply->MsgLength*4); + } + ioc->port_enable_cmds.status &= ~MPT2_CMD_PENDING; + + ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; + + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) + ioc->port_enable_failed = 1; + + if (ioc->is_driver_loading) { + if (ioc_status == MPI2_IOCSTATUS_SUCCESS) { + mpt2sas_port_enable_complete(ioc); + return 1; + } else { + ioc->start_scan_failed = ioc_status; + ioc->start_scan = 0; + return 1; + } + } + complete(&ioc->port_enable_cmds.done); + return 1; +} + + +/** * _base_send_port_enable - send port_enable(discovery stuff) to firmware * @ioc: per adapter object * @sleep_flag: CAN_SLEEP or NO_SLEEP @@ -3480,67 +3612,151 @@ static int _base_send_port_enable(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) { Mpi2PortEnableRequest_t *mpi_request; - u32 ioc_state; + Mpi2PortEnableReply_t *mpi_reply; unsigned long timeleft; int r = 0; u16 smid; + u16 ioc_status; printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); - if (ioc->base_cmds.status & MPT2_CMD_PENDING) { + if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", ioc->name, __func__); return -EAGAIN; } - smid = mpt2sas_base_get_smid(ioc, ioc->base_cb_idx); + smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); if (!smid) { printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", ioc->name, __func__); return -EAGAIN; } - ioc->base_cmds.status = MPT2_CMD_PENDING; + ioc->port_enable_cmds.status = MPT2_CMD_PENDING; mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); - ioc->base_cmds.smid = smid; + ioc->port_enable_cmds.smid = smid; memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; - mpi_request->VF_ID = 0; /* TODO */ - mpi_request->VP_ID = 0; + init_completion(&ioc->port_enable_cmds.done); mpt2sas_base_put_smid_default(ioc, smid); - init_completion(&ioc->base_cmds.done); - timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, + timeleft = wait_for_completion_timeout(&ioc->port_enable_cmds.done, 300*HZ); - if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { + if (!(ioc->port_enable_cmds.status & MPT2_CMD_COMPLETE)) { printk(MPT2SAS_ERR_FMT "%s: timeout\n", ioc->name, __func__); _debug_dump_mf(mpi_request, sizeof(Mpi2PortEnableRequest_t)/4); - if (ioc->base_cmds.status & MPT2_CMD_RESET) + if (ioc->port_enable_cmds.status & MPT2_CMD_RESET) r = -EFAULT; else r = -ETIME; goto out; - } else - dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: complete\n", - ioc->name, __func__)); + } + mpi_reply = ioc->port_enable_cmds.reply; - ioc_state = _base_wait_on_iocstate(ioc, MPI2_IOC_STATE_OPERATIONAL, - 60, sleep_flag); - if (ioc_state) { - printk(MPT2SAS_ERR_FMT "%s: failed going to operational state " - " (ioc_state=0x%x)\n", ioc->name, __func__, ioc_state); + ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + printk(MPT2SAS_ERR_FMT "%s: failed with (ioc_status=0x%08x)\n", + ioc->name, __func__, ioc_status); r = -EFAULT; + goto out; } out: - ioc->base_cmds.status = MPT2_CMD_NOT_USED; - printk(MPT2SAS_INFO_FMT "port enable: %s\n", - ioc->name, ((r == 0) ? "SUCCESS" : "FAILED")); + ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; + printk(MPT2SAS_INFO_FMT "port enable: %s\n", ioc->name, ((r == 0) ? + "SUCCESS" : "FAILED")); return r; } /** + * mpt2sas_port_enable - initiate firmware discovery (don't wait for reply) + * @ioc: per adapter object + * + * Returns 0 for success, non-zero for failure. + */ +int +mpt2sas_port_enable(struct MPT2SAS_ADAPTER *ioc) +{ + Mpi2PortEnableRequest_t *mpi_request; + u16 smid; + + printk(MPT2SAS_INFO_FMT "sending port enable !!\n", ioc->name); + + if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { + printk(MPT2SAS_ERR_FMT "%s: internal command already in use\n", + ioc->name, __func__); + return -EAGAIN; + } + + smid = mpt2sas_base_get_smid(ioc, ioc->port_enable_cb_idx); + if (!smid) { + printk(MPT2SAS_ERR_FMT "%s: failed obtaining a smid\n", + ioc->name, __func__); + return -EAGAIN; + } + + ioc->port_enable_cmds.status = MPT2_CMD_PENDING; + mpi_request = mpt2sas_base_get_msg_frame(ioc, smid); + ioc->port_enable_cmds.smid = smid; + memset(mpi_request, 0, sizeof(Mpi2PortEnableRequest_t)); + mpi_request->Function = MPI2_FUNCTION_PORT_ENABLE; + + mpt2sas_base_put_smid_default(ioc, smid); + return 0; +} + +/** + * _base_determine_wait_on_discovery - desposition + * @ioc: per adapter object + * + * Decide whether to wait on discovery to complete. Used to either + * locate boot device, or report volumes ahead of physical devices. + * + * Returns 1 for wait, 0 for don't wait + */ +static int +_base_determine_wait_on_discovery(struct MPT2SAS_ADAPTER *ioc) +{ + /* We wait for discovery to complete if IR firmware is loaded. + * The sas topology events arrive before PD events, so we need time to + * turn on the bit in ioc->pd_handles to indicate PD + * Also, it maybe required to report Volumes ahead of physical + * devices when MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING is set. + */ + if (ioc->ir_firmware) + return 1; + + /* if no Bios, then we don't need to wait */ + if (!ioc->bios_pg3.BiosVersion) + return 0; + + /* Bios is present, then we drop down here. + * + * If there any entries in the Bios Page 2, then we wait + * for discovery to complete. + */ + + /* Current Boot Device */ + if ((ioc->bios_pg2.CurrentBootDeviceForm & + MPI2_BIOSPAGE2_FORM_MASK) == + MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && + /* Request Boot Device */ + (ioc->bios_pg2.ReqBootDeviceForm & + MPI2_BIOSPAGE2_FORM_MASK) == + MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED && + /* Alternate Request Boot Device */ + (ioc->bios_pg2.ReqAltBootDeviceForm & + MPI2_BIOSPAGE2_FORM_MASK) == + MPI2_BIOSPAGE2_FORM_NO_DEVICE_SPECIFIED) + return 0; + + return 1; +} + + +/** * _base_unmask_events - turn on notification for this event * @ioc: per adapter object * @event: firmware event @@ -3608,8 +3824,8 @@ _base_event_notification(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) mpi_request->EventMasks[i] = cpu_to_le32(ioc->event_masks[i]); - mpt2sas_base_put_smid_default(ioc, smid); init_completion(&ioc->base_cmds.done); + mpt2sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->base_cmds.done, 30*HZ); if (!(ioc->base_cmds.status & MPT2_CMD_COMPLETE)) { printk(MPT2SAS_ERR_FMT "%s: timeout\n", @@ -3721,11 +3937,15 @@ _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) writel(host_diagnostic | MPI2_DIAG_RESET_ADAPTER, &ioc->chip->HostDiagnostic); - /* don't access any registers for 50 milliseconds */ - msleep(50); + /* This delay allows the chip PCIe hardware time to finish reset tasks*/ + if (sleep_flag == CAN_SLEEP) + msleep(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); + else + mdelay(MPI2_HARD_RESET_PCIE_FIRST_READ_DELAY_MICRO_SEC/1000); - /* 300 second max wait */ - for (count = 0; count < 3000000 ; count++) { + /* Approximately 300 second max wait */ + for (count = 0; count < (300000000 / + MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC); count++) { host_diagnostic = readl(&ioc->chip->HostDiagnostic); @@ -3734,11 +3954,13 @@ _base_diag_reset(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) if (!(host_diagnostic & MPI2_DIAG_RESET_ADAPTER)) break; - /* wait 100 msec */ + /* Wait to pass the second read delay window */ if (sleep_flag == CAN_SLEEP) - msleep(1); + msleep(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC + /1000); else - mdelay(1); + mdelay(MPI2_HARD_RESET_PCIE_SECOND_READ_DELAY_MICRO_SEC + /1000); } if (host_diagnostic & MPI2_DIAG_HCB_MODE) { @@ -3924,7 +4146,8 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) ioc->reply_free[i] = cpu_to_le32(reply_address); /* initialize reply queues */ - _base_assign_reply_queues(ioc); + if (ioc->is_driver_loading) + _base_assign_reply_queues(ioc); /* initialize Reply Post Free Queue */ reply_post_free = (long)ioc->reply_post_free; @@ -3962,6 +4185,7 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) skip_init_reply_post_host_index: _base_unmask_interrupts(ioc); + r = _base_event_notification(ioc, sleep_flag); if (r) return r; @@ -3969,22 +4193,20 @@ _base_make_ioc_operational(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) if (sleep_flag == CAN_SLEEP) _base_static_config_pages(ioc); - if (ioc->wait_for_port_enable_to_complete && ioc->is_warpdrive) { - if (ioc->manu_pg10.OEMIdentifier == 0x80) { - hide_flag = (u8) (ioc->manu_pg10.OEMSpecificFlags0 & + + if (ioc->is_driver_loading) { + if (ioc->is_warpdrive && ioc->manu_pg10.OEMIdentifier + == 0x80) { + hide_flag = (u8) ( + le32_to_cpu(ioc->manu_pg10.OEMSpecificFlags0) & MFG_PAGE10_HIDE_SSDS_MASK); if (hide_flag != MFG_PAGE10_HIDE_SSDS_MASK) ioc->mfg_pg10_hide_flag = hide_flag; } + ioc->wait_for_discovery_to_complete = + _base_determine_wait_on_discovery(ioc); + return r; /* scan_start and scan_finished support */ } - - if (ioc->wait_for_port_enable_to_complete) { - if (diag_buffer_enable != 0) - mpt2sas_enable_diag_buffer(ioc, diag_buffer_enable); - if (disable_discovery > 0) - return r; - } - r = _base_send_port_enable(ioc, sleep_flag); if (r) return r; @@ -4006,18 +4228,25 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__)); - _base_mask_interrupts(ioc); - ioc->shost_recovery = 1; - _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); - ioc->shost_recovery = 0; + if (ioc->chip_phys && ioc->chip) { + _base_mask_interrupts(ioc); + ioc->shost_recovery = 1; + _base_make_ioc_ready(ioc, CAN_SLEEP, SOFT_RESET); + ioc->shost_recovery = 0; + } + _base_free_irq(ioc); _base_disable_msix(ioc); - if (ioc->chip_phys) + + if (ioc->chip_phys && ioc->chip) iounmap(ioc->chip); ioc->chip_phys = 0; - pci_release_selected_regions(ioc->pdev, ioc->bars); - pci_disable_pcie_error_reporting(pdev); - pci_disable_device(pdev); + + if (pci_is_enabled(pdev)) { + pci_release_selected_regions(ioc->pdev, ioc->bars); + pci_disable_pcie_error_reporting(pdev); + pci_disable_device(pdev); + } return; } @@ -4063,7 +4292,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) r = mpt2sas_base_map_resources(ioc); if (r) - return r; + goto out_free_resources; if (ioc->is_warpdrive) { ioc->reply_post_host_index[0] = @@ -4085,7 +4314,7 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) goto out_free_resources; ioc->pfacts = kcalloc(ioc->facts.NumberOfPorts, - sizeof(Mpi2PortFactsReply_t), GFP_KERNEL); + sizeof(struct mpt2sas_port_facts), GFP_KERNEL); if (!ioc->pfacts) { r = -ENOMEM; goto out_free_resources; @@ -4102,7 +4331,6 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) goto out_free_resources; init_waitqueue_head(&ioc->reset_wq); - /* allocate memory pd handle bitmask list */ ioc->pd_handles_sz = (ioc->facts.MaxDevHandle / 8); if (ioc->facts.MaxDevHandle % 8) @@ -4113,7 +4341,12 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) r = -ENOMEM; goto out_free_resources; } - + ioc->blocking_handles = kzalloc(ioc->pd_handles_sz, + GFP_KERNEL); + if (!ioc->blocking_handles) { + r = -ENOMEM; + goto out_free_resources; + } ioc->fwfault_debug = mpt2sas_fwfault_debug; /* base internal command bits */ @@ -4121,6 +4354,10 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) ioc->base_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); ioc->base_cmds.status = MPT2_CMD_NOT_USED; + /* port_enable command bits */ + ioc->port_enable_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); + ioc->port_enable_cmds.status = MPT2_CMD_NOT_USED; + /* transport internal command bits */ ioc->transport_cmds.reply = kzalloc(ioc->reply_sz, GFP_KERNEL); ioc->transport_cmds.status = MPT2_CMD_NOT_USED; @@ -4162,8 +4399,6 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) goto out_free_resources; } - init_completion(&ioc->shost_recovery_done); - for (i = 0; i < MPI2_EVENT_NOTIFY_EVENTMASK_WORDS; i++) ioc->event_masks[i] = -1; @@ -4182,11 +4417,8 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) if (r) goto out_free_resources; - if (missing_delay[0] != -1 && missing_delay[1] != -1) - _base_update_missing_delay(ioc, missing_delay[0], - missing_delay[1]); + ioc->non_operational_loop = 0; - mpt2sas_base_start_watchdog(ioc); return 0; out_free_resources: @@ -4199,11 +4431,13 @@ mpt2sas_base_attach(struct MPT2SAS_ADAPTER *ioc) if (ioc->is_warpdrive) kfree(ioc->reply_post_host_index); kfree(ioc->pd_handles); + kfree(ioc->blocking_handles); kfree(ioc->tm_cmds.reply); kfree(ioc->transport_cmds.reply); kfree(ioc->scsih_cmds.reply); kfree(ioc->config_cmds.reply); kfree(ioc->base_cmds.reply); + kfree(ioc->port_enable_cmds.reply); kfree(ioc->ctl_cmds.reply); kfree(ioc->ctl_cmds.sense); kfree(ioc->pfacts); @@ -4239,10 +4473,12 @@ mpt2sas_base_detach(struct MPT2SAS_ADAPTER *ioc) if (ioc->is_warpdrive) kfree(ioc->reply_post_host_index); kfree(ioc->pd_handles); + kfree(ioc->blocking_handles); kfree(ioc->pfacts); kfree(ioc->ctl_cmds.reply); kfree(ioc->ctl_cmds.sense); kfree(ioc->base_cmds.reply); + kfree(ioc->port_enable_cmds.reply); kfree(ioc->tm_cmds.reply); kfree(ioc->transport_cmds.reply); kfree(ioc->scsih_cmds.reply); @@ -4284,6 +4520,20 @@ _base_reset_handler(struct MPT2SAS_ADAPTER *ioc, int reset_phase) mpt2sas_base_free_smid(ioc, ioc->base_cmds.smid); complete(&ioc->base_cmds.done); } + if (ioc->port_enable_cmds.status & MPT2_CMD_PENDING) { + ioc->port_enable_failed = 1; + ioc->port_enable_cmds.status |= MPT2_CMD_RESET; + mpt2sas_base_free_smid(ioc, ioc->port_enable_cmds.smid); + if (ioc->is_driver_loading) { + ioc->start_scan_failed = + MPI2_IOCSTATUS_INTERNAL_ERROR; + ioc->start_scan = 0; + ioc->port_enable_cmds.status = + MPT2_CMD_NOT_USED; + } else + complete(&ioc->port_enable_cmds.done); + + } if (ioc->config_cmds.status & MPT2_CMD_PENDING) { ioc->config_cmds.status |= MPT2_CMD_RESET; mpt2sas_base_free_smid(ioc, ioc->config_cmds.smid); @@ -4349,7 +4599,6 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, { int r; unsigned long flags; - u8 pe_complete = ioc->wait_for_port_enable_to_complete; dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: enter\n", ioc->name, __func__)); @@ -4358,7 +4607,7 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, printk(MPT2SAS_ERR_FMT "%s: pci error recovery reset\n", ioc->name, __func__); r = 0; - goto out; + goto out_unlocked; } if (mpt2sas_fwfault_debug) @@ -4396,7 +4645,8 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, /* If this hard reset is called while port enable is active, then * there is no reason to call make_ioc_operational */ - if (pe_complete) { + if (ioc->is_driver_loading && ioc->port_enable_failed) { + ioc->remove_host = 1; r = -EFAULT; goto out; } @@ -4410,10 +4660,10 @@ mpt2sas_base_hard_reset_handler(struct MPT2SAS_ADAPTER *ioc, int sleep_flag, spin_lock_irqsave(&ioc->ioc_reset_in_progress_lock, flags); ioc->ioc_reset_in_progress_status = r; ioc->shost_recovery = 0; - complete(&ioc->shost_recovery_done); spin_unlock_irqrestore(&ioc->ioc_reset_in_progress_lock, flags); mutex_unlock(&ioc->reset_in_progress_mutex); + out_unlocked: dtmprintk(ioc, printk(MPT2SAS_INFO_FMT "%s: exit\n", ioc->name, __func__)); return r; |