diff options
Diffstat (limited to 'drivers/scsi/mpt3sas')
| -rw-r--r-- | drivers/scsi/mpt3sas/Kconfig | 27 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/Makefile | 3 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.c | 668 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_base.h | 233 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_config.c | 42 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.c | 259 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_ctl.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_debug.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_scsih.c | 1556 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_transport.c | 18 | ||||
| -rw-r--r-- | drivers/scsi/mpt3sas/mpt3sas_warpdrive.c | 344 |
11 files changed, 2445 insertions, 727 deletions
diff --git a/drivers/scsi/mpt3sas/Kconfig b/drivers/scsi/mpt3sas/Kconfig index 4d235dd74..b736dbc80 100644 --- a/drivers/scsi/mpt3sas/Kconfig +++ b/drivers/scsi/mpt3sas/Kconfig @@ -41,15 +41,15 @@ # USA. config SCSI_MPT3SAS - tristate "LSI MPT Fusion SAS 3.0 Device Driver" + tristate "LSI MPT Fusion SAS 3.0 & SAS 2.0 Device Driver" depends on PCI && SCSI select SCSI_SAS_ATTRS select RAID_ATTRS ---help--- This driver supports PCI-Express SAS 12Gb/s Host Adapters. -config SCSI_MPT3SAS_MAX_SGE - int "LSI MPT Fusion Max number of SG Entries (16 - 256)" +config SCSI_MPT2SAS_MAX_SGE + int "LSI MPT Fusion SAS 2.0 Max number of SG Entries (16 - 256)" depends on PCI && SCSI && SCSI_MPT3SAS default "128" range 16 256 @@ -60,8 +60,23 @@ config SCSI_MPT3SAS_MAX_SGE can be 256. However, it may decreased down to 16. Decreasing this parameter will reduce memory requirements on a per controller instance. -config SCSI_MPT3SAS_LOGGING - bool "LSI MPT Fusion logging facility" +config SCSI_MPT3SAS_MAX_SGE + int "LSI MPT Fusion SAS 3.0 Max number of SG Entries (16 - 256)" depends on PCI && SCSI && SCSI_MPT3SAS + default "128" + range 16 256 + ---help--- + This option allows you to specify the maximum number of scatter- + gather entries per I/O. The driver default is 128, which matches + MAX_PHYS_SEGMENTS in most kernels. However in SuSE kernels this + can be 256. However, it may decreased down to 16. Decreasing this + parameter will reduce memory requirements on a per controller instance. + +config SCSI_MPT2SAS + tristate "Legacy MPT2SAS config option" + default n + select SCSI_MPT3SAS + depends on PCI && SCSI ---help--- - This turns on a logging facility. + Dummy config option for backwards compatiblity: configure the MPT3SAS + driver instead. diff --git a/drivers/scsi/mpt3sas/Makefile b/drivers/scsi/mpt3sas/Makefile index efb0c4c2e..b7643f596 100644 --- a/drivers/scsi/mpt3sas/Makefile +++ b/drivers/scsi/mpt3sas/Makefile @@ -5,4 +5,5 @@ mpt3sas-y += mpt3sas_base.o \ mpt3sas_scsih.o \ mpt3sas_transport.o \ mpt3sas_ctl.o \ - mpt3sas_trigger_diag.o + mpt3sas_trigger_diag.o \ + mpt3sas_warpdrive.o diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.c b/drivers/scsi/mpt3sas/mpt3sas_base.c index d4f1dcdb8..11393ebf1 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.c +++ b/drivers/scsi/mpt3sas/mpt3sas_base.c @@ -108,9 +108,12 @@ _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) if (ret) return ret; + /* global ioc spinlock to protect controller list on list operations */ pr_info("setting fwfault_debug(%d)\n", mpt3sas_fwfault_debug); + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) ioc->fwfault_debug = mpt3sas_fwfault_debug; + spin_unlock(&gioc_lock); return 0; } module_param_call(mpt3sas_fwfault_debug, _scsih_set_fwfault_debug, @@ -157,7 +160,7 @@ _base_fault_reset_work(struct work_struct *work) 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); @@ -166,6 +169,20 @@ _base_fault_reset_work(struct work_struct *work) pr_err(MPT3SAS_FMT "SAS host is non-operational !!!!\n", ioc->name); + /* 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, mpt3sas 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 @@ -181,7 +198,7 @@ _base_fault_reset_work(struct work_struct *work) ioc->remove_host = 1; /*Remove the Dead Host */ p = kthread_run(mpt3sas_remove_dead_ioc_func, ioc, - "mpt3sas_dead_ioc_%d", ioc->id); + "%s_dead_ioc_%d", ioc->driver_name, ioc->id); if (IS_ERR(p)) pr_err(MPT3SAS_FMT "%s: Running mpt3sas_dead_ioc thread failed !!!!\n", @@ -193,6 +210,8 @@ _base_fault_reset_work(struct work_struct *work) return; /* don't rearm timer */ } + ioc->non_operational_loop = 0; + if ((doorbell & MPI2_IOC_STATE_MASK) != MPI2_IOC_STATE_OPERATIONAL) { rc = mpt3sas_base_hard_reset_handler(ioc, CAN_SLEEP, FORCE_BIG_HAMMER); @@ -235,7 +254,8 @@ mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc) INIT_DELAYED_WORK(&ioc->fault_reset_work, _base_fault_reset_work); snprintf(ioc->fault_reset_work_q_name, - sizeof(ioc->fault_reset_work_q_name), "poll_%d_status", ioc->id); + sizeof(ioc->fault_reset_work_q_name), "poll_%s%d_status", + ioc->driver_name, ioc->id); ioc->fault_reset_work_q = create_singlethread_workqueue(ioc->fault_reset_work_q_name); if (!ioc->fault_reset_work_q) { @@ -324,7 +344,6 @@ mpt3sas_halt_firmware(struct MPT3SAS_ADAPTER *ioc) panic("panic in %s\n", __func__); } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _base_sas_ioc_info - verbose translation of the ioc status * @ioc: per adapter object @@ -578,7 +597,8 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc, desc = "Device Status Change"; break; case MPI2_EVENT_IR_OPERATION_STATUS: - desc = "IR Operation Status"; + if (!ioc->hide_ir_msg) + desc = "IR Operation Status"; break; case MPI2_EVENT_SAS_DISCOVERY: { @@ -609,16 +629,20 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc, desc = "SAS Enclosure Device Status Change"; break; case MPI2_EVENT_IR_VOLUME: - desc = "IR Volume"; + if (!ioc->hide_ir_msg) + desc = "IR Volume"; break; case MPI2_EVENT_IR_PHYSICAL_DISK: - desc = "IR Physical Disk"; + if (!ioc->hide_ir_msg) + desc = "IR Physical Disk"; break; case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST: - desc = "IR Configuration Change List"; + if (!ioc->hide_ir_msg) + desc = "IR Configuration Change List"; break; case MPI2_EVENT_LOG_ENTRY_ADDED: - desc = "Log Entry Added"; + if (!ioc->hide_ir_msg) + desc = "Log Entry Added"; break; case MPI2_EVENT_TEMP_THRESHOLD: desc = "Temperature Threshold"; @@ -630,7 +654,6 @@ _base_display_event_data(struct MPT3SAS_ADAPTER *ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, desc); } -#endif /** * _base_sas_log_info - verbose translation of firmware log info @@ -675,7 +698,10 @@ _base_sas_log_info(struct MPT3SAS_ADAPTER *ioc , u32 log_info) originator_str = "PL"; break; case 2: - originator_str = "IR"; + if (!ioc->hide_ir_msg) + originator_str = "IR"; + else + originator_str = "WarpDrive"; break; } @@ -710,13 +736,13 @@ _base_display_reply_info(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, return; } ioc_status = le16_to_cpu(mpi_reply->IOCStatus); -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING + if ((ioc_status & MPI2_IOCSTATUS_MASK) && (ioc->logging_level & MPT_DEBUG_REPLY)) { _base_sas_ioc_info(ioc , mpi_reply, mpt3sas_base_get_msg_frame(ioc, smid)); } -#endif + if (ioc_status & MPI2_IOCSTATUS_FLAG_LOG_INFO_AVAILABLE) { loginfo = le32_to_cpu(mpi_reply->IOCLogInfo); _base_sas_log_info(ioc, loginfo); @@ -783,9 +809,9 @@ _base_async_event(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, u32 reply) return 1; if (mpi_reply->Function != MPI2_FUNCTION_EVENT_NOTIFICATION) return 1; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING + _base_display_event_data(ioc, mpi_reply); -#endif + if (!(mpi_reply->AckRequired & MPI2_EVENT_NOTIFICATION_ACK_REQUIRED)) goto out; smid = mpt3sas_base_get_smid(ioc, ioc->base_cb_idx); @@ -1009,6 +1035,12 @@ _base_interrupt(int irq, void *bus_id) } wmb(); + if (ioc->is_warpdrive) { + writel(reply_q->reply_post_host_index, + ioc->reply_post_host_index[msix_index]); + atomic_dec(&reply_q->busy); + return IRQ_HANDLED; + } /* Update Reply Post Host Index. * For those HBA's which support combined reply queue feature @@ -1320,6 +1352,149 @@ _base_build_zero_len_sge_ieee(struct MPT3SAS_ADAPTER *ioc, void *paddr) } /** + * _base_build_sg_scmd - main sg creation routine + * @ioc: per adapter object + * @scmd: scsi command + * @smid: system request message index + * Context: none. + * + * The main routine that builds scatter gather table from a given + * scsi request sent via the .queuecommand main handler. + * + * Returns 0 success, anything else error + */ +static int +_base_build_sg_scmd(struct MPT3SAS_ADAPTER *ioc, + struct scsi_cmnd *scmd, u16 smid) +{ + Mpi2SCSIIORequest_t *mpi_request; + dma_addr_t chain_dma; + struct scatterlist *sg_scmd; + void *sg_local, *chain; + u32 chain_offset; + u32 chain_length; + u32 chain_flags; + 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 = mpt3sas_base_get_msg_frame(ioc, smid); + + /* init scatter gather flags */ + sgl_flags = MPI2_SGE_FLAGS_SIMPLE_ELEMENT; + if (scmd->sc_data_direction == DMA_TO_DEVICE) + sgl_flags |= MPI2_SGE_FLAGS_HOST_TO_IOC; + sgl_flags_last_element = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT) + << MPI2_SGE_FLAGS_SHIFT; + sgl_flags_end_buffer = (sgl_flags | MPI2_SGE_FLAGS_LAST_ELEMENT | + MPI2_SGE_FLAGS_END_OF_BUFFER | MPI2_SGE_FLAGS_END_OF_LIST) + << MPI2_SGE_FLAGS_SHIFT; + sgl_flags = sgl_flags << MPI2_SGE_FLAGS_SHIFT; + + sg_scmd = scsi_sglist(scmd); + sges_left = scsi_dma_map(scmd); + if (sges_left < 0) { + sdev_printk(KERN_ERR, scmd->device, + "pci_map_sg failed: request for %d bytes!\n", + scsi_bufflen(scmd)); + return -ENOMEM; + } + + sg_local = &mpi_request->SGL; + sges_in_segment = ioc->max_sges_in_main_message; + if (sges_left <= sges_in_segment) + goto fill_in_last_segment; + + mpi_request->ChainOffset = (offsetof(Mpi2SCSIIORequest_t, SGL) + + (sges_in_segment * ioc->sge_size))/4; + + /* fill in main message segment when there is a chain following */ + while (sges_in_segment) { + if (sges_in_segment == 1) + ioc->base_add_sg_single(sg_local, + sgl_flags_last_element | sg_dma_len(sg_scmd), + sg_dma_address(sg_scmd)); + else + ioc->base_add_sg_single(sg_local, sgl_flags | + sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); + sg_scmd = sg_next(sg_scmd); + sg_local += ioc->sge_size; + sges_left--; + sges_in_segment--; + } + + /* initializing the chain flags and pointers */ + chain_flags = MPI2_SGE_FLAGS_CHAIN_ELEMENT << MPI2_SGE_FLAGS_SHIFT; + chain_req = _base_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 : + ioc->max_sges_in_chain_message; + chain_offset = (sges_left == sges_in_segment) ? + 0 : (sges_in_segment * ioc->sge_size)/4; + chain_length = sges_in_segment * ioc->sge_size; + if (chain_offset) { + chain_offset = chain_offset << + MPI2_SGE_CHAIN_OFFSET_SHIFT; + chain_length += ioc->sge_size; + } + ioc->base_add_sg_single(sg_local, chain_flags | chain_offset | + chain_length, chain_dma); + sg_local = chain; + if (!chain_offset) + goto fill_in_last_segment; + + /* fill in chain segments */ + while (sges_in_segment) { + if (sges_in_segment == 1) + ioc->base_add_sg_single(sg_local, + sgl_flags_last_element | + sg_dma_len(sg_scmd), + sg_dma_address(sg_scmd)); + else + ioc->base_add_sg_single(sg_local, sgl_flags | + sg_dma_len(sg_scmd), + sg_dma_address(sg_scmd)); + sg_scmd = sg_next(sg_scmd); + sg_local += ioc->sge_size; + sges_left--; + sges_in_segment--; + } + + chain_req = _base_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); + + + fill_in_last_segment: + + /* fill the last segment */ + while (sges_left) { + if (sges_left == 1) + ioc->base_add_sg_single(sg_local, sgl_flags_end_buffer | + sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); + else + ioc->base_add_sg_single(sg_local, sgl_flags | + sg_dma_len(sg_scmd), sg_dma_address(sg_scmd)); + sg_scmd = sg_next(sg_scmd); + sg_local += ioc->sge_size; + sges_left--; + } + + return 0; +} + +/** * _base_build_sg_scmd_ieee - main sg creation routine for IEEE format * @ioc: per adapter object * @scmd: scsi command @@ -1571,6 +1746,14 @@ _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc) int base; 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 == SAS2_PCI_DEVICE_B0_REVISION) { + return -EINVAL; + } + base = pci_find_capability(ioc->pdev, PCI_CAP_ID_MSIX); if (!base) { dfailprintk(ioc, pr_info(MPT3SAS_FMT "msix not supported\n", @@ -1579,9 +1762,19 @@ _base_check_enable_msix(struct MPT3SAS_ADAPTER *ioc) } /* get msix vector count */ - - pci_read_config_word(ioc->pdev, base + 2, &message_control); - ioc->msix_vector_count = (message_control & 0x3FF) + 1; + /* NUMA_IO not supported for older controllers */ + if (ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2004 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2008 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_1 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_2 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2108_3 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_1 || + ioc->pdev->device == MPI2_MFGPAGE_DEVID_SAS2116_2) + ioc->msix_vector_count = 1; + else { + pci_read_config_word(ioc->pdev, base + 2, &message_control); + ioc->msix_vector_count = (message_control & 0x3FF) + 1; + } dinitprintk(ioc, pr_info(MPT3SAS_FMT "msix is supported, vector_count(%d)\n", ioc->name, ioc->msix_vector_count)); @@ -1643,10 +1836,10 @@ _base_request_irq(struct MPT3SAS_ADAPTER *ioc, u8 index, u32 vector) atomic_set(&reply_q->busy, 0); if (ioc->msix_enable) snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d-msix%d", - MPT3SAS_DRIVER_NAME, ioc->id, index); + ioc->driver_name, ioc->id, index); else snprintf(reply_q->name, MPT_NAME_LENGTH, "%s%d", - MPT3SAS_DRIVER_NAME, ioc->id); + ioc->driver_name, ioc->id); r = request_irq(vector, _base_interrupt, IRQF_SHARED, reply_q->name, reply_q); if (r) { @@ -1872,7 +2065,7 @@ mpt3sas_base_map_resources(struct MPT3SAS_ADAPTER *ioc) if (pci_request_selected_regions(pdev, ioc->bars, - MPT3SAS_DRIVER_NAME)) { + ioc->driver_name)) { pr_warn(MPT3SAS_FMT "pci_request_selected_regions: failed\n", ioc->name); ioc->bars = 0; @@ -2158,6 +2351,7 @@ mpt3sas_base_free_smid(struct MPT3SAS_ADAPTER *ioc, u16 smid) } ioc->scsi_lookup[i].cb_idx = 0xFF; ioc->scsi_lookup[i].scmd = NULL; + ioc->scsi_lookup[i].direct_io = 0; list_add(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list); spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); @@ -2318,143 +2512,261 @@ mpt3sas_base_put_smid_default(struct MPT3SAS_ADAPTER *ioc, u16 smid) } /** - * _base_display_intel_branding - Display branding string + * _base_display_OEMs_branding - Display branding string * @ioc: per adapter object * * Return nothing. */ static void -_base_display_intel_branding(struct MPT3SAS_ADAPTER *ioc) +_base_display_OEMs_branding(struct MPT3SAS_ADAPTER *ioc) { if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_INTEL) return; - switch (ioc->pdev->device) { - case MPI25_MFGPAGE_DEVID_SAS3008: - switch (ioc->pdev->subsystem_device) { - case MPT3SAS_INTEL_RMS3JC080_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_INTEL_RMS3JC080_BRANDING); - break; - - case MPT3SAS_INTEL_RS3GC008_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_INTEL_RS3GC008_BRANDING); - break; - case MPT3SAS_INTEL_RS3FC044_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_INTEL_RS3FC044_BRANDING); - break; - case MPT3SAS_INTEL_RS3UC080_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_INTEL_RS3UC080_BRANDING); + switch (ioc->pdev->subsystem_vendor) { + case PCI_VENDOR_ID_INTEL: + switch (ioc->pdev->device) { + case MPI2_MFGPAGE_DEVID_SAS2008: + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_INTEL_RMS2LL080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS2LL080_BRANDING); + break; + case MPT2SAS_INTEL_RMS2LL040_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS2LL040_BRANDING); + break; + case MPT2SAS_INTEL_SSD910_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_SSD910_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Intel(R) Controller: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } + case MPI2_MFGPAGE_DEVID_SAS2308_2: + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_INTEL_RS25GB008_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RS25GB008_BRANDING); + break; + case MPT2SAS_INTEL_RMS25JB080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25JB080_BRANDING); + break; + case MPT2SAS_INTEL_RMS25JB040_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25JB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25KB080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25KB080_BRANDING); + break; + case MPT2SAS_INTEL_RMS25KB040_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25KB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25LB040_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25LB040_BRANDING); + break; + case MPT2SAS_INTEL_RMS25LB080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_INTEL_RMS25LB080_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Intel(R) Controller: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } + case MPI25_MFGPAGE_DEVID_SAS3008: + switch (ioc->pdev->subsystem_device) { + case MPT3SAS_INTEL_RMS3JC080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_INTEL_RMS3JC080_BRANDING); + break; + + case MPT3SAS_INTEL_RS3GC008_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_INTEL_RS3GC008_BRANDING); + break; + case MPT3SAS_INTEL_RS3FC044_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_INTEL_RS3FC044_BRANDING); + break; + case MPT3SAS_INTEL_RS3UC080_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_INTEL_RS3UC080_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Intel(R) Controller: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } break; default: pr_info(MPT3SAS_FMT - "Intel(R) Controller: Subsystem ID: 0x%X\n", - ioc->name, ioc->pdev->subsystem_device); + "Intel(R) Controller: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); break; } break; - default: - pr_info(MPT3SAS_FMT - "Intel(R) Controller: Subsystem ID: 0x%X\n", - ioc->name, ioc->pdev->subsystem_device); - break; - } -} - - - -/** - * _base_display_dell_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_dell_branding(struct MPT3SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_DELL) - return; - - switch (ioc->pdev->device) { - case MPI25_MFGPAGE_DEVID_SAS3008: - switch (ioc->pdev->subsystem_device) { - case MPT3SAS_DELL_12G_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_DELL_12G_HBA_BRANDING); + case PCI_VENDOR_ID_DELL: + switch (ioc->pdev->device) { + case MPI2_MFGPAGE_DEVID_SAS2008: + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING); + break; + case MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING); + break; + case MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING); + break; + case MPT2SAS_DELL_PERC_H200_MODULAR_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING); + break; + case MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING); + break; + case MPT2SAS_DELL_PERC_H200_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_PERC_H200_BRANDING); + break; + case MPT2SAS_DELL_6GBPS_SAS_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_DELL_6GBPS_SAS_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Dell 6Gbps HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } + break; + case MPI25_MFGPAGE_DEVID_SAS3008: + switch (ioc->pdev->subsystem_device) { + case MPT3SAS_DELL_12G_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_DELL_12G_HBA_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } break; default: pr_info(MPT3SAS_FMT - "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name, + "Dell HBA: Subsystem ID: 0x%X\n", ioc->name, ioc->pdev->subsystem_device); break; } break; - default: - pr_info(MPT3SAS_FMT - "Dell 12Gbps HBA: Subsystem ID: 0x%X\n", ioc->name, - ioc->pdev->subsystem_device); - break; - } -} - -/** - * _base_display_cisco_branding - Display branding string - * @ioc: per adapter object - * - * Return nothing. - */ -static void -_base_display_cisco_branding(struct MPT3SAS_ADAPTER *ioc) -{ - if (ioc->pdev->subsystem_vendor != PCI_VENDOR_ID_CISCO) - return; - - switch (ioc->pdev->device) { - case MPI25_MFGPAGE_DEVID_SAS3008: - switch (ioc->pdev->subsystem_device) { - case MPT3SAS_CISCO_12G_8E_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_CISCO_12G_8E_HBA_BRANDING); - break; - case MPT3SAS_CISCO_12G_8I_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_CISCO_12G_8I_HBA_BRANDING); + case PCI_VENDOR_ID_CISCO: + switch (ioc->pdev->device) { + case MPI25_MFGPAGE_DEVID_SAS3008: + switch (ioc->pdev->subsystem_device) { + case MPT3SAS_CISCO_12G_8E_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_CISCO_12G_8E_HBA_BRANDING); + break; + case MPT3SAS_CISCO_12G_8I_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_CISCO_12G_8I_HBA_BRANDING); + break; + case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } break; - case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, + case MPI25_MFGPAGE_DEVID_SAS3108_1: + switch (ioc->pdev->subsystem_device) { + case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING); + break; + case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING + ); + break; + default: + pr_info(MPT3SAS_FMT + "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } break; default: pr_info(MPT3SAS_FMT - "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", - ioc->name, ioc->pdev->subsystem_device); + "Cisco SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); break; } break; - case MPI25_MFGPAGE_DEVID_SAS3108_1: - switch (ioc->pdev->subsystem_device) { - case MPT3SAS_CISCO_12G_AVILA_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING); - break; - case MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_SSDID: - pr_info(MPT3SAS_FMT "%s\n", ioc->name, - MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING); - break; + case MPT2SAS_HP_3PAR_SSVID: + switch (ioc->pdev->device) { + case MPI2_MFGPAGE_DEVID_SAS2004: + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } + case MPI2_MFGPAGE_DEVID_SAS2308_2: + switch (ioc->pdev->subsystem_device) { + case MPT2SAS_HP_2_4_INTERNAL_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_HP_2_4_INTERNAL_BRANDING); + break; + case MPT2SAS_HP_2_4_EXTERNAL_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_HP_2_4_EXTERNAL_BRANDING); + break; + case MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING); + break; + case MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID: + pr_info(MPT3SAS_FMT "%s\n", ioc->name, + MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING); + break; + default: + pr_info(MPT3SAS_FMT + "HP 6Gbps SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); + break; + } default: pr_info(MPT3SAS_FMT - "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", - ioc->name, ioc->pdev->subsystem_device); + "HP SAS HBA: Subsystem ID: 0x%X\n", + ioc->name, ioc->pdev->subsystem_device); break; } - break; default: - pr_info(MPT3SAS_FMT - "Cisco 12Gbps SAS HBA: Subsystem ID: 0x%X\n", - ioc->name, ioc->pdev->subsystem_device); break; } } @@ -2488,9 +2800,7 @@ _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc) (bios_version & 0x0000FF00) >> 8, bios_version & 0x000000FF); - _base_display_intel_branding(ioc); - _base_display_dell_branding(ioc); - _base_display_cisco_branding(ioc); + _base_display_OEMs_branding(ioc); pr_info(MPT3SAS_FMT "Protocol=(", ioc->name); @@ -2508,10 +2818,12 @@ _base_display_ioc_capabilities(struct MPT3SAS_ADAPTER *ioc) pr_info("), "); pr_info("Capabilities=("); - if (ioc->facts.IOCCapabilities & + if (!ioc->hide_ir_msg) { + if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_INTEGRATED_RAID) { pr_info("Raid"); i++; + } } if (ioc->facts.IOCCapabilities & MPI2_IOCFACTS_CAPABILITY_TLR) { @@ -2852,18 +3164,22 @@ _base_allocate_memory_pools(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) /* command line tunables for max sgl entries */ if (max_sgl_entries != -1) sg_tablesize = max_sgl_entries; - else - sg_tablesize = MPT3SAS_SG_DEPTH; + else { + if (ioc->hba_mpi_version_belonged == MPI2_VERSION) + sg_tablesize = MPT2SAS_SG_DEPTH; + else + sg_tablesize = MPT3SAS_SG_DEPTH; + } - if (sg_tablesize < MPT3SAS_MIN_PHYS_SEGMENTS) - sg_tablesize = MPT3SAS_MIN_PHYS_SEGMENTS; - else if (sg_tablesize > MPT3SAS_MAX_PHYS_SEGMENTS) { + if (sg_tablesize < MPT_MIN_PHYS_SEGMENTS) + sg_tablesize = MPT_MIN_PHYS_SEGMENTS; + else if (sg_tablesize > MPT_MAX_PHYS_SEGMENTS) { sg_tablesize = min_t(unsigned short, sg_tablesize, SCSI_MAX_SG_CHAIN_SEGMENTS); pr_warn(MPT3SAS_FMT "sg_tablesize(%u) is bigger than kernel" " defined SCSI_MAX_SG_SEGMENTS(%u)\n", ioc->name, - sg_tablesize, MPT3SAS_MAX_PHYS_SEGMENTS); + sg_tablesize, MPT_MAX_PHYS_SEGMENTS); } ioc->shost->sg_tablesize = sg_tablesize; @@ -4021,7 +4337,7 @@ _base_send_ioc_init(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) mpi_request.WhoInit = MPI2_WHOINIT_HOST_DRIVER; mpi_request.VF_ID = 0; /* TODO */ mpi_request.VP_ID = 0; - mpi_request.MsgVersion = cpu_to_le16(MPI25_VERSION); + mpi_request.MsgVersion = cpu_to_le16(ioc->hba_mpi_version_belonged); mpi_request.HeaderVersion = cpu_to_le16(MPI2_HEADER_VERSION); if (_base_is_controller_msix_enabled(ioc)) @@ -4655,6 +4971,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) u32 reply_address; u16 smid; struct _tr_list *delayed_tr, *delayed_tr_next; + u8 hide_flag; struct adapter_reply_queue *reply_q; long reply_post_free; u32 reply_post_free_sz, index = 0; @@ -4685,6 +5002,7 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) ioc->scsi_lookup[i].cb_idx = 0xFF; ioc->scsi_lookup[i].smid = smid; ioc->scsi_lookup[i].scmd = NULL; + ioc->scsi_lookup[i].direct_io = 0; list_add_tail(&ioc->scsi_lookup[i].tracker_list, &ioc->free_list); } @@ -4787,6 +5105,16 @@ _base_make_ioc_operational(struct MPT3SAS_ADAPTER *ioc, int sleep_flag) 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); @@ -4812,6 +5140,8 @@ mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc) dexitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, __func__)); + /* synchronizing freeing resource with pci_access_mutex lock */ + mutex_lock(&ioc->pci_access_mutex); if (ioc->chip_phys && ioc->chip) { _base_mask_interrupts(ioc); ioc->shost_recovery = 1; @@ -4820,6 +5150,7 @@ mpt3sas_base_free_resources(struct MPT3SAS_ADAPTER *ioc) } mpt3sas_base_unmap_resources(ioc); + mutex_unlock(&ioc->pci_access_mutex); return; } @@ -4834,7 +5165,6 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) { int r, i; int cpu_id, last_cpu_id = 0; - u8 revision; dinitprintk(ioc, pr_info(MPT3SAS_FMT "%s\n", ioc->name, __func__)); @@ -4854,19 +5184,16 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) goto out_free_resources; } - /* Check whether the controller revision is C0 or above. - * only C0 and above revision controllers support 96 MSI-X vectors. - */ - revision = ioc->pdev->revision; - - if ((ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3004 || - ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3008 || - ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3108_1 || - ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3108_2 || - ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3108_5 || - ioc->pdev->device == MPI25_MFGPAGE_DEVID_SAS3108_6) && - (revision >= 0x02)) - ioc->msix96_vector = 1; + if (ioc->is_warpdrive) { + ioc->reply_post_host_index = kcalloc(ioc->cpu_msix_table_sz, + sizeof(resource_size_t *), GFP_KERNEL); + if (!ioc->reply_post_host_index) { + dfailprintk(ioc, pr_info(MPT3SAS_FMT "allocation " + "for cpu_msix_table failed!!!\n", ioc->name)); + r = -ENOMEM; + goto out_free_resources; + } + } ioc->rdpq_array_enable_assigned = 0; ioc->dma_mask = 0; @@ -4874,23 +5201,41 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) if (r) goto out_free_resources; + if (ioc->is_warpdrive) { + ioc->reply_post_host_index[0] = (resource_size_t __iomem *) + &ioc->chip->ReplyPostHostIndex; + + for (i = 1; i < ioc->cpu_msix_table_sz; i++) + ioc->reply_post_host_index[i] = + (resource_size_t __iomem *) + ((u8 __iomem *)&ioc->chip->Doorbell + (0x4000 + ((i - 1) + * 4))); + } pci_set_drvdata(ioc->pdev, ioc->shost); r = _base_get_ioc_facts(ioc, CAN_SLEEP); if (r) goto out_free_resources; - /* - * In SAS3.0, - * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and - * Target Status - all require the IEEE formated scatter gather - * elements. - */ - - ioc->build_sg_scmd = &_base_build_sg_scmd_ieee; - ioc->build_sg = &_base_build_sg_ieee; - ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee; - ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t); + switch (ioc->hba_mpi_version_belonged) { + case MPI2_VERSION: + ioc->build_sg_scmd = &_base_build_sg_scmd; + ioc->build_sg = &_base_build_sg; + ioc->build_zero_len_sge = &_base_build_zero_len_sge; + break; + case MPI25_VERSION: + /* + * In SAS3.0, + * SCSI_IO, SMP_PASSTHRU, SATA_PASSTHRU, Target Assist, and + * Target Status - all require the IEEE formated scatter gather + * elements. + */ + ioc->build_sg_scmd = &_base_build_sg_scmd_ieee; + ioc->build_sg = &_base_build_sg_ieee; + ioc->build_zero_len_sge = &_base_build_zero_len_sge_ieee; + ioc->sge_size_ieee = sizeof(Mpi2IeeeSgeSimple64_t); + break; + } /* * These function pointers for other requests that don't @@ -5006,6 +5351,7 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) if (r) goto out_free_resources; + ioc->non_operational_loop = 0; return 0; out_free_resources: @@ -5016,6 +5362,8 @@ mpt3sas_base_attach(struct MPT3SAS_ADAPTER *ioc) _base_release_memory_pools(ioc); pci_set_drvdata(ioc->pdev, NULL); kfree(ioc->cpu_msix_table); + if (ioc->is_warpdrive) + kfree(ioc->reply_post_host_index); kfree(ioc->pd_handles); kfree(ioc->blocking_handles); kfree(ioc->tm_cmds.reply); @@ -5055,6 +5403,8 @@ mpt3sas_base_detach(struct MPT3SAS_ADAPTER *ioc) _base_release_memory_pools(ioc); pci_set_drvdata(ioc->pdev, NULL); kfree(ioc->cpu_msix_table); + if (ioc->is_warpdrive) + kfree(ioc->reply_post_host_index); kfree(ioc->pd_handles); kfree(ioc->blocking_handles); kfree(ioc->pfacts); diff --git a/drivers/scsi/mpt3sas/mpt3sas_base.h b/drivers/scsi/mpt3sas/mpt3sas_base.h index f0e462b08..5ad271efb 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_base.h +++ b/drivers/scsi/mpt3sas/mpt3sas_base.h @@ -63,6 +63,8 @@ #include <scsi/scsi_transport_sas.h> #include <scsi/scsi_dbg.h> #include <scsi/scsi_eh.h> +#include <linux/pci.h> +#include <linux/poll.h> #include "mpt3sas_debug.h" #include "mpt3sas_trigger_diag.h" @@ -71,23 +73,37 @@ #define MPT3SAS_DRIVER_NAME "mpt3sas" #define MPT3SAS_AUTHOR "Avago Technologies <MPT-FusionLinux.pdl@avagotech.com>" #define MPT3SAS_DESCRIPTION "LSI MPT Fusion SAS 3.0 Device Driver" -#define MPT3SAS_DRIVER_VERSION "09.100.00.00" +#define MPT3SAS_DRIVER_VERSION "09.102.00.00" #define MPT3SAS_MAJOR_VERSION 9 -#define MPT3SAS_MINOR_VERSION 100 +#define MPT3SAS_MINOR_VERSION 102 #define MPT3SAS_BUILD_VERSION 0 #define MPT3SAS_RELEASE_VERSION 00 +#define MPT2SAS_DRIVER_NAME "mpt2sas" +#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver" +#define MPT2SAS_DRIVER_VERSION "20.102.00.00" +#define MPT2SAS_MAJOR_VERSION 20 +#define MPT2SAS_MINOR_VERSION 102 +#define MPT2SAS_BUILD_VERSION 0 +#define MPT2SAS_RELEASE_VERSION 00 + /* * Set MPT3SAS_SG_DEPTH value based on user input. */ -#define MPT3SAS_MAX_PHYS_SEGMENTS SCSI_MAX_SG_SEGMENTS -#define MPT3SAS_MIN_PHYS_SEGMENTS 16 +#define MPT_MAX_PHYS_SEGMENTS SCSI_MAX_SG_SEGMENTS +#define MPT_MIN_PHYS_SEGMENTS 16 + #ifdef CONFIG_SCSI_MPT3SAS_MAX_SGE #define MPT3SAS_SG_DEPTH CONFIG_SCSI_MPT3SAS_MAX_SGE #else -#define MPT3SAS_SG_DEPTH MPT3SAS_MAX_PHYS_SEGMENTS +#define MPT3SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS #endif +#ifdef CONFIG_SCSI_MPT2SAS_MAX_SGE +#define MPT2SAS_SG_DEPTH CONFIG_SCSI_MPT2SAS_MAX_SGE +#else +#define MPT2SAS_SG_DEPTH MPT_MAX_PHYS_SEGMENTS +#endif /* * Generic Defines @@ -124,6 +140,16 @@ #define MPT3SAS_FMT "%s: " /* + * WarpDrive Specific Log codes + */ + +#define MPT2_WARPDRIVE_LOGENTRY (0x8002) +#define MPT2_WARPDRIVE_LC_SSDT (0x41) +#define MPT2_WARPDRIVE_LC_SSDLW (0x43) +#define MPT2_WARPDRIVE_LC_SSDLF (0x44) +#define MPT2_WARPDRIVE_LC_BRMF (0x4D) + +/* * per target private data */ #define MPT_TARGET_FLAGS_RAID_COMPONENT 0x01 @@ -131,9 +157,33 @@ #define MPT_TARGET_FLAGS_DELETED 0x04 #define MPT_TARGET_FASTPATH_IO 0x08 +#define SAS2_PCI_DEVICE_B0_REVISION (0x01) +#define SAS3_PCI_DEVICE_C0_REVISION (0x02) + /* * Intel HBA branding */ +#define MPT2SAS_INTEL_RMS25JB080_BRANDING \ + "Intel(R) Integrated RAID Module RMS25JB080" +#define MPT2SAS_INTEL_RMS25JB040_BRANDING \ + "Intel(R) Integrated RAID Module RMS25JB040" +#define MPT2SAS_INTEL_RMS25KB080_BRANDING \ + "Intel(R) Integrated RAID Module RMS25KB080" +#define MPT2SAS_INTEL_RMS25KB040_BRANDING \ + "Intel(R) Integrated RAID Module RMS25KB040" +#define MPT2SAS_INTEL_RMS25LB040_BRANDING \ + "Intel(R) Integrated RAID Module RMS25LB040" +#define MPT2SAS_INTEL_RMS25LB080_BRANDING \ + "Intel(R) Integrated RAID Module RMS25LB080" +#define MPT2SAS_INTEL_RMS2LL080_BRANDING \ + "Intel Integrated RAID Module RMS2LL080" +#define MPT2SAS_INTEL_RMS2LL040_BRANDING \ + "Intel Integrated RAID Module RMS2LL040" +#define MPT2SAS_INTEL_RS25GB008_BRANDING \ + "Intel(R) RAID Controller RS25GB008" +#define MPT2SAS_INTEL_SSD910_BRANDING \ + "Intel(R) SSD 910 Series" + #define MPT3SAS_INTEL_RMS3JC080_BRANDING \ "Intel(R) Integrated RAID Module RMS3JC080" #define MPT3SAS_INTEL_RS3GC008_BRANDING \ @@ -146,33 +196,62 @@ /* * Intel HBA SSDIDs */ -#define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521 -#define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522 -#define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523 -#define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524 +#define MPT2SAS_INTEL_RMS25JB080_SSDID 0x3516 +#define MPT2SAS_INTEL_RMS25JB040_SSDID 0x3517 +#define MPT2SAS_INTEL_RMS25KB080_SSDID 0x3518 +#define MPT2SAS_INTEL_RMS25KB040_SSDID 0x3519 +#define MPT2SAS_INTEL_RMS25LB040_SSDID 0x351A +#define MPT2SAS_INTEL_RMS25LB080_SSDID 0x351B +#define MPT2SAS_INTEL_RMS2LL080_SSDID 0x350E +#define MPT2SAS_INTEL_RMS2LL040_SSDID 0x350F +#define MPT2SAS_INTEL_RS25GB008_SSDID 0x3000 +#define MPT2SAS_INTEL_SSD910_SSDID 0x3700 + +#define MPT3SAS_INTEL_RMS3JC080_SSDID 0x3521 +#define MPT3SAS_INTEL_RS3GC008_SSDID 0x3522 +#define MPT3SAS_INTEL_RS3FC044_SSDID 0x3523 +#define MPT3SAS_INTEL_RS3UC080_SSDID 0x3524 /* * Dell HBA branding */ +#define MPT2SAS_DELL_BRANDING_SIZE 32 + +#define MPT2SAS_DELL_6GBPS_SAS_HBA_BRANDING "Dell 6Gbps SAS HBA" +#define MPT2SAS_DELL_PERC_H200_ADAPTER_BRANDING "Dell PERC H200 Adapter" +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_BRANDING "Dell PERC H200 Integrated" +#define MPT2SAS_DELL_PERC_H200_MODULAR_BRANDING "Dell PERC H200 Modular" +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_BRANDING "Dell PERC H200 Embedded" +#define MPT2SAS_DELL_PERC_H200_BRANDING "Dell PERC H200" +#define MPT2SAS_DELL_6GBPS_SAS_BRANDING "Dell 6Gbps SAS" + #define MPT3SAS_DELL_12G_HBA_BRANDING \ "Dell 12Gbps HBA" /* * Dell HBA SSDIDs */ -#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46 +#define MPT2SAS_DELL_6GBPS_SAS_HBA_SSDID 0x1F1C +#define MPT2SAS_DELL_PERC_H200_ADAPTER_SSDID 0x1F1D +#define MPT2SAS_DELL_PERC_H200_INTEGRATED_SSDID 0x1F1E +#define MPT2SAS_DELL_PERC_H200_MODULAR_SSDID 0x1F1F +#define MPT2SAS_DELL_PERC_H200_EMBEDDED_SSDID 0x1F20 +#define MPT2SAS_DELL_PERC_H200_SSDID 0x1F21 +#define MPT2SAS_DELL_6GBPS_SAS_SSDID 0x1F22 + +#define MPT3SAS_DELL_12G_HBA_SSDID 0x1F46 /* * Cisco HBA branding */ #define MPT3SAS_CISCO_12G_8E_HBA_BRANDING \ - "Cisco 9300-8E 12G SAS HBA" + "Cisco 9300-8E 12G SAS HBA" #define MPT3SAS_CISCO_12G_8I_HBA_BRANDING \ - "Cisco 9300-8i 12G SAS HBA" + "Cisco 9300-8i 12G SAS HBA" #define MPT3SAS_CISCO_12G_AVILA_HBA_BRANDING \ - "Cisco 12G Modular SAS Pass through Controller" + "Cisco 12G Modular SAS Pass through Controller" #define MPT3SAS_CISCO_12G_COLUSA_MEZZANINE_HBA_BRANDING \ - "UCS C3X60 12G SAS Pass through Controller" + "UCS C3X60 12G SAS Pass through Controller" /* * Cisco HBA SSSDIDs */ @@ -189,6 +268,31 @@ #define MPT3_DIAG_BUFFER_IS_DIAG_RESET (0x04) /* + * HP HBA branding + */ +#define MPT2SAS_HP_3PAR_SSVID 0x1590 + +#define MPT2SAS_HP_2_4_INTERNAL_BRANDING \ + "HP H220 Host Bus Adapter" +#define MPT2SAS_HP_2_4_EXTERNAL_BRANDING \ + "HP H221 Host Bus Adapter" +#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_BRANDING \ + "HP H222 Host Bus Adapter" +#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_BRANDING \ + "HP H220i Host Bus Adapter" +#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_BRANDING \ + "HP H210i Host Bus Adapter" + +/* + * HO HBA SSDIDs + */ +#define MPT2SAS_HP_2_4_INTERNAL_SSDID 0x0041 +#define MPT2SAS_HP_2_4_EXTERNAL_SSDID 0x0042 +#define MPT2SAS_HP_1_4_INTERNAL_1_4_EXTERNAL_SSDID 0x0043 +#define MPT2SAS_HP_EMBEDDED_2_4_INTERNAL_SSDID 0x0044 +#define MPT2SAS_HP_DAUGHTER_2_4_INTERNAL_SSDID 0x0046 + +/* * Combined Reply Queue constants, * There are twelve Supplemental Reply Post Host Index Registers * and each register is at offset 0x10 bytes from the previous one. @@ -243,20 +347,24 @@ struct Mpi2ManufacturingPage11_t { * struct MPT3SAS_TARGET - starget private hostdata * @starget: starget object * @sas_address: target sas address + * @raid_device: raid_device pointer to access volume data * @handle: device handle * @num_luns: number luns * @flags: MPT_TARGET_FLAGS_XXX flags * @deleted: target flaged for deletion * @tm_busy: target is busy with TM request. + * @sdev: The sas_device associated with this target */ struct MPT3SAS_TARGET { struct scsi_target *starget; u64 sas_address; + struct _raid_device *raid_device; u16 handle; int num_luns; u32 flags; u8 deleted; u8 tm_busy; + struct _sas_device *sdev; }; @@ -266,6 +374,11 @@ struct MPT3SAS_TARGET { #define MPT_DEVICE_FLAGS_INIT 0x01 #define MPT_DEVICE_TLR_ON 0x02 +#define MFG_PAGE10_HIDE_SSDS_MASK (0x00000003) +#define MFG_PAGE10_HIDE_ALL_DISKS (0x00) +#define MFG_PAGE10_EXPOSE_ALL_DISKS (0x01) +#define MFG_PAGE10_HIDE_IF_VOL_PRESENT (0x02) + /** * struct MPT3SAS_DEVICE - sdev private hostdata * @sas_target: starget private hostdata @@ -358,8 +471,24 @@ struct _sas_device { u8 pend_sas_rphy_add; u8 enclosure_level; u8 connector_name[4]; + struct kref refcount; }; +static inline void sas_device_get(struct _sas_device *s) +{ + kref_get(&s->refcount); +} + +static inline void sas_device_free(struct kref *r) +{ + kfree(container_of(r, struct _sas_device, refcount)); +} + +static inline void sas_device_put(struct _sas_device *s) +{ + kref_put(&s->refcount, sas_device_free); +} + /** * struct _raid_device - raid volume link list * @list: sas device list @@ -367,6 +496,7 @@ struct _sas_device { * @sdev: scsi device struct (volumes are single lun) * @wwid: unique identifier for the volume * @handle: device handle + * @block_size: Block size of the volume * @id: target id * @channel: target channel * @volume_type: the raid level @@ -374,6 +504,13 @@ struct _sas_device { * @num_pds: number of hidden raid components * @responding: used in _scsih_raid_device_mark_responding * @percent_complete: resync percent complete + * @direct_io_enabled: Whether direct io to PDs are allowed or not + * @stripe_exponent: X where 2powX is the stripe sz in blocks + * @block_exponent: X where 2powX is the block sz in bytes + * @max_lba: Maximum number of LBA in the volume + * @stripe_sz: Stripe Size of the volume + * @device_info: Device info of the volume member disk + * @pd_handle: Array of handles of the physical drives for direct I/O in le16 */ #define MPT_MAX_WARPDRIVE_PDS 8 struct _raid_device { @@ -382,13 +519,20 @@ struct _raid_device { struct scsi_device *sdev; u64 wwid; u16 handle; + u16 block_sz; int id; int channel; u8 volume_type; u8 num_pds; u8 responding; u8 percent_complete; + u8 direct_io_enabled; + u8 stripe_exponent; + u8 block_exponent; + u64 max_lba; + u32 stripe_sz; u32 device_info; + u16 pd_handle[MPT_MAX_WARPDRIVE_PDS]; }; /** @@ -497,12 +641,14 @@ struct chain_tracker { * @smid: system message id * @scmd: scsi request pointer * @cb_idx: callback index + * @direct_io: To indicate whether I/O is direct (WARPDRIVE) * @tracker_list: list of free request (ioc->free_list) */ struct scsiio_tracker { u16 smid; struct scsi_cmnd *scmd; u8 cb_idx; + u8 direct_io; struct list_head chain_list; struct list_head tracker_list; }; @@ -775,7 +921,13 @@ typedef void (*MPT3SAS_FLUSH_RUNNING_CMDS)(struct MPT3SAS_ADAPTER *ioc); * @replyPostRegisterIndex: index of next position in Reply Desc Post Queue * @delayed_tr_list: target reset link list * @delayed_tr_volume_list: volume target reset link list - * @@temp_sensors_count: flag to carry the number of temperature sensors + * @temp_sensors_count: flag to carry the number of temperature sensors + * @pci_access_mutex: Mutex to synchronize ioctl,sysfs show path and + * pci resource handling. PCI resource freeing will lead to free + * vital hardware/memory resource, which might be in use by cli/sysfs + * path functions resulting in Null pointer reference followed by kernel + * crash. To avoid the above race condition we use mutex syncrhonization + * which ensures the syncrhonization between cli/sysfs_show path. */ struct MPT3SAS_ADAPTER { struct list_head list; @@ -783,6 +935,7 @@ struct MPT3SAS_ADAPTER { u8 id; int cpu_count; char name[MPT_NAME_LENGTH]; + char driver_name[MPT_NAME_LENGTH]; char tmp_string[MPT_STRING_LENGTH]; struct pci_dev *pdev; Mpi2SystemInterfaceRegs_t __iomem *chip; @@ -829,8 +982,10 @@ struct MPT3SAS_ADAPTER { u16 msix_vector_count; u8 *cpu_msix_table; u16 cpu_msix_table_sz; + resource_size_t __iomem **reply_post_host_index; u32 ioc_reset_count; MPT3SAS_FLUSH_RUNNING_CMDS schedule_dead_ioc_flush_running_cmds; + u32 non_operational_loop; /* internal commands, callback index */ u8 scsi_io_cb_idx; @@ -859,6 +1014,7 @@ struct MPT3SAS_ADAPTER { MPT_BUILD_SG build_sg; MPT_BUILD_ZERO_LEN_SGE build_zero_len_sge; u16 sge_size_ieee; + u16 hba_mpi_version_belonged; /* function ptr for MPI sg elements only */ MPT_BUILD_SG build_sg_mpi; @@ -987,6 +1143,7 @@ struct MPT3SAS_ADAPTER { struct list_head delayed_tr_list; struct list_head delayed_tr_volume_list; u8 temp_sensors_count; + struct mutex pci_access_mutex; /* diag buffer support */ u8 *diag_buffer[MPI2_DIAG_BUF_TYPE_COUNT]; @@ -998,6 +1155,10 @@ struct MPT3SAS_ADAPTER { u32 diagnostic_flags[MPI2_DIAG_BUF_TYPE_COUNT]; u32 ring_buffer_offset; u32 ring_buffer_sz; + u8 is_warpdrive; + u8 hide_ir_msg; + u8 mfg_pg10_hide_flag; + u8 hide_drives; spinlock_t diag_trigger_lock; u8 diag_trigger_active; struct SL_WH_MASTER_TRIGGER_T diag_trigger_master; @@ -1012,6 +1173,19 @@ typedef u8 (*MPT_CALLBACK)(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, /* base shared API */ extern struct list_head mpt3sas_ioc_list; +extern char driver_name[MPT_NAME_LENGTH]; +/* spinlock on list operations over IOCs + * Case: when multiple warpdrive cards(IOCs) are in use + * Each IOC will added to the ioc list structure on initialization. + * Watchdog threads run at regular intervals to check IOC for any + * fault conditions which will trigger the dead_ioc thread to + * deallocate pci resource, resulting deleting the IOC netry from list, + * this deletion need to protected by spinlock to enusre that + * ioc removal is syncrhonized, if not synchronized it might lead to + * list_del corruption as the ioc list is traversed in cli path. + */ +extern spinlock_t gioc_lock; + void mpt3sas_base_start_watchdog(struct MPT3SAS_ADAPTER *ioc); void mpt3sas_base_stop_watchdog(struct MPT3SAS_ADAPTER *ioc); @@ -1090,10 +1264,14 @@ struct _sas_node *mpt3sas_scsih_expander_find_by_handle( struct MPT3SAS_ADAPTER *ioc, u16 handle); struct _sas_node *mpt3sas_scsih_expander_find_by_sas_address( struct MPT3SAS_ADAPTER *ioc, u64 sas_address); -struct _sas_device *mpt3sas_scsih_sas_device_find_by_sas_address( - struct MPT3SAS_ADAPTER *ioc, u64 sas_address); +struct _sas_device *mpt3sas_get_sdev_by_addr( + struct MPT3SAS_ADAPTER *ioc, u64 sas_address); +struct _sas_device *__mpt3sas_get_sdev_by_addr( + struct MPT3SAS_ADAPTER *ioc, u64 sas_address); void mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc); +struct _raid_device * +mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle); /* config shared API */ u8 mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, @@ -1133,6 +1311,8 @@ int mpt3sas_config_get_sas_iounit_pg0(struct MPT3SAS_ADAPTER *ioc, u16 sz); int mpt3sas_config_get_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page); +int mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc, + Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz); int mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage1_t *config_page); int mpt3sas_config_get_iounit_pg8(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigReply_t @@ -1177,8 +1357,8 @@ int mpt3sas_config_get_volume_wwid(struct MPT3SAS_ADAPTER *ioc, /* ctl shared API */ extern struct device_attribute *mpt3sas_host_attrs[]; extern struct device_attribute *mpt3sas_dev_attrs[]; -void mpt3sas_ctl_init(void); -void mpt3sas_ctl_exit(void); +void mpt3sas_ctl_init(ushort hbas_to_enumerate); +void mpt3sas_ctl_exit(ushort hbas_to_enumerate); u8 mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); void mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase); @@ -1193,6 +1373,7 @@ int mpt3sas_send_diag_release(struct MPT3SAS_ADAPTER *ioc, u8 buffer_type, u8 *issue_reset); /* transport shared API */ +extern struct scsi_transport_template *mpt3sas_transport_template; u8 mpt3sas_transport_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply); struct _sas_port *mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, @@ -1224,4 +1405,18 @@ void mpt3sas_trigger_scsi(struct MPT3SAS_ADAPTER *ioc, u8 sense_key, u8 asc, u8 ascq); void mpt3sas_trigger_mpi(struct MPT3SAS_ADAPTER *ioc, u16 ioc_status, u32 loginfo); + +/* warpdrive APIs */ +u8 mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc); +void mpt3sas_init_warpdrive_properties(struct MPT3SAS_ADAPTER *ioc, + struct _raid_device *raid_device); +u8 +mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid); +void +mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io); +void +mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, + struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, + u16 smid); + #endif /* MPT3SAS_BASE_H_INCLUDED */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_config.c b/drivers/scsi/mpt3sas/mpt3sas_config.c index e45c4613e..a6914ec99 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_config.c +++ b/drivers/scsi/mpt3sas/mpt3sas_config.c @@ -83,7 +83,6 @@ struct config_request { dma_addr_t page_dma; }; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _config_display_some_debug - debug routine * @ioc: per adapter object @@ -173,7 +172,6 @@ _config_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, ioc->name, le16_to_cpu(mpi_reply->IOCStatus), le32_to_cpu(mpi_reply->IOCLogInfo)); } -#endif /** * _config_alloc_config_dma_memory - obtain physical memory @@ -255,9 +253,7 @@ mpt3sas_config_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, mpi_reply->MsgLength*4); } ioc->config_cmds.status &= ~MPT3_CMD_PENDING; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING _config_display_some_debug(ioc, smid, "config_done", mpi_reply); -#endif ioc->config_cmds.smid = USHRT_MAX; complete(&ioc->config_cmds.done); return 1; @@ -387,9 +383,7 @@ _config_request(struct MPT3SAS_ADAPTER *ioc, Mpi2ConfigRequest_t config_request = mpt3sas_base_get_msg_frame(ioc, smid); ioc->config_cmds.smid = smid; memcpy(config_request, mpi_request, sizeof(Mpi2ConfigRequest_t)); -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING _config_display_some_debug(ioc, smid, "config_request", NULL); -#endif init_completion(&ioc->config_cmds.done); mpt3sas_base_put_smid_default(ioc, smid); timeleft = wait_for_completion_timeout(&ioc->config_cmds.done, @@ -872,6 +866,42 @@ mpt3sas_config_set_iounit_pg1(struct MPT3SAS_ADAPTER *ioc, } /** + * mpt3sas_config_get_iounit_pg3 - obtain iounit page 3 + * @ioc: per adapter object + * @mpi_reply: reply mf payload returned from firmware + * @config_page: contents of the config page + * @sz: size of buffer passed in config_page + * Context: sleep. + * + * Returns 0 for success, non-zero for failure. + */ +int +mpt3sas_config_get_iounit_pg3(struct MPT3SAS_ADAPTER *ioc, + Mpi2ConfigReply_t *mpi_reply, Mpi2IOUnitPage3_t *config_page, u16 sz) +{ + Mpi2ConfigRequest_t mpi_request; + int r; + + memset(&mpi_request, 0, sizeof(Mpi2ConfigRequest_t)); + mpi_request.Function = MPI2_FUNCTION_CONFIG; + mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_HEADER; + mpi_request.Header.PageType = MPI2_CONFIG_PAGETYPE_IO_UNIT; + mpi_request.Header.PageNumber = 3; + mpi_request.Header.PageVersion = MPI2_IOUNITPAGE3_PAGEVERSION; + ioc->build_zero_len_sge_mpi(ioc, &mpi_request.PageBufferSGE); + r = _config_request(ioc, &mpi_request, mpi_reply, + MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, NULL, 0); + if (r) + goto out; + + mpi_request.Action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT; + r = _config_request(ioc, &mpi_request, mpi_reply, + MPT3_CONFIG_PAGE_DEFAULT_TIMEOUT, config_page, sz); + out: + return r; +} + +/** * mpt3sas_config_get_iounit_pg8 - obtain iounit page 8 * @ioc: per adapter object * @mpi_reply: reply mf payload returned from firmware diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.c b/drivers/scsi/mpt3sas/mpt3sas_ctl.c index 080c8a76d..d8366b056 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.c +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.c @@ -78,7 +78,6 @@ enum block_state { BLOCKING, }; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _ctl_sas_device_find_by_handle - sas device search * @ioc: per adapter object @@ -254,8 +253,6 @@ _ctl_display_some_debug(struct MPT3SAS_ADAPTER *ioc, u16 smid, } } -#endif - /** * mpt3sas_ctl_done - ctl module completion routine * @ioc: per adapter object @@ -302,9 +299,7 @@ mpt3sas_ctl_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, } } } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING _ctl_display_some_debug(ioc, smid, "ctl_done", mpi_reply); -#endif ioc->ctl_cmds.status &= ~MPT3_CMD_PENDING; complete(&ioc->ctl_cmds.done); return 1; @@ -414,20 +409,31 @@ mpt3sas_ctl_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, * _ctl_verify_adapter - validates ioc_number passed from application * @ioc: per adapter object * @iocpp: The ioc pointer is returned in this. + * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & + * MPI25_VERSION for mpt3ctl ioctl device. * * Return (-1) means error, else ioc_number. */ static int -_ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp) +_ctl_verify_adapter(int ioc_number, struct MPT3SAS_ADAPTER **iocpp, + int mpi_version) { struct MPT3SAS_ADAPTER *ioc; - + /* global ioc lock to protect controller on list operations */ + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { if (ioc->id != ioc_number) continue; + /* Check whether this ioctl command is from right + * ioctl device or not, if not continue the search. + */ + if (ioc->hba_mpi_version_belonged != mpi_version) + continue; + spin_unlock(&gioc_lock); *iocpp = ioc; return ioc_number; } + spin_unlock(&gioc_lock); *iocpp = NULL; return -1; } @@ -497,7 +503,7 @@ mpt3sas_ctl_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) * * Called when application request fasyn callback handler. */ -static int +int _ctl_fasync(int fd, struct file *filep, int mode) { return fasync_helper(fd, filep, mode, &async_queue); @@ -509,17 +515,22 @@ _ctl_fasync(int fd, struct file *filep, int mode) * @wait - * */ -static unsigned int +unsigned int _ctl_poll(struct file *filep, poll_table *wait) { struct MPT3SAS_ADAPTER *ioc; poll_wait(filep, &ctl_poll_wait, wait); + /* global ioc lock to protect controller on list operations */ + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) { - if (ioc->aen_event_read_flag) + if (ioc->aen_event_read_flag) { + spin_unlock(&gioc_lock); return POLLIN | POLLRDNORM; + } } + spin_unlock(&gioc_lock); return 0; } @@ -759,9 +770,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, psge = (void *)request + (karg.data_sge_offset*4); /* send command to firmware */ -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING _ctl_display_some_debug(ioc, smid, "ctl_request", NULL); -#endif init_completion(&ioc->ctl_cmds.done); switch (mpi_request->Function) { @@ -916,7 +925,6 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, mpi_reply = ioc->ctl_cmds.reply; ioc_status = le16_to_cpu(mpi_reply->IOCStatus) & MPI2_IOCSTATUS_MASK; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (mpi_reply->Function == MPI2_FUNCTION_SCSI_TASK_MGMT && (ioc->logging_level & MPT_DEBUG_TM)) { Mpi2SCSITaskManagementReply_t *tm_reply = @@ -929,7 +937,7 @@ _ctl_do_mpt_command(struct MPT3SAS_ADAPTER *ioc, struct mpt3_ioctl_command karg, le32_to_cpu(tm_reply->IOCLogInfo), le32_to_cpu(tm_reply->TerminationCount)); } -#endif + /* copy out xdata to user */ if (data_in_sz) { if (copy_to_user(karg.data_in_buf_ptr, data_in, @@ -1023,7 +1031,6 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) __func__)); memset(&karg, 0 , sizeof(karg)); - karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; if (ioc->pfacts) karg.port_number = ioc->pfacts[0].PortNumber; karg.hw_rev = ioc->pdev->revision; @@ -1035,9 +1042,21 @@ _ctl_getiocinfo(struct MPT3SAS_ADAPTER *ioc, void __user *arg) karg.pci_information.u.bits.function = PCI_FUNC(ioc->pdev->devfn); karg.pci_information.segment_id = pci_domain_nr(ioc->pdev->bus); karg.firmware_version = ioc->facts.FWVersion.Word; - strcpy(karg.driver_version, MPT3SAS_DRIVER_NAME); + strcpy(karg.driver_version, ioc->driver_name); strcat(karg.driver_version, "-"); - strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); + switch (ioc->hba_mpi_version_belonged) { + case MPI2_VERSION: + if (ioc->is_warpdrive) + karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2_SSS6200; + else + karg.adapter_type = MPT2_IOCTL_INTERFACE_SAS2; + strcat(karg.driver_version, MPT2SAS_DRIVER_VERSION); + break; + case MPI25_VERSION: + karg.adapter_type = MPT3_IOCTL_INTERFACE_SAS3; + strcat(karg.driver_version, MPT3SAS_DRIVER_VERSION); + break; + } karg.bios_version = le32_to_cpu(ioc->bios_pg3.BiosVersion); if (copy_to_user(arg, &karg, sizeof(karg))) { @@ -2181,12 +2200,14 @@ _ctl_compat_mpt_command(struct MPT3SAS_ADAPTER *ioc, unsigned cmd, * _ctl_ioctl_main - main ioctl entry point * @file - (struct file) * @cmd - ioctl opcode - * @arg - - * compat - handles 32 bit applications in 64bit os + * @arg - user space data buffer + * @compat - handles 32 bit applications in 64bit os + * @mpi_version: will be MPI2_VERSION for mpt2ctl ioctl device & + * MPI25_VERSION for mpt3ctl ioctl device. */ static long _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, - u8 compat) + u8 compat, u16 mpi_version) { struct MPT3SAS_ADAPTER *ioc; struct mpt3_ioctl_header ioctl_header; @@ -2201,19 +2222,29 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, return -EFAULT; } - if (_ctl_verify_adapter(ioctl_header.ioc_number, &ioc) == -1 || !ioc) + if (_ctl_verify_adapter(ioctl_header.ioc_number, + &ioc, mpi_version) == -1 || !ioc) return -ENODEV; + /* pci_access_mutex lock acquired by ioctl path */ + mutex_lock(&ioc->pci_access_mutex); + if (ioc->shost_recovery || ioc->pci_error_recovery || - ioc->is_driver_loading) - return -EAGAIN; + ioc->is_driver_loading || ioc->remove_host) { + ret = -EAGAIN; + goto out_unlock_pciaccess; + } state = (file->f_flags & O_NONBLOCK) ? NON_BLOCKING : BLOCKING; if (state == NON_BLOCKING) { - if (!mutex_trylock(&ioc->ctl_cmds.mutex)) - return -EAGAIN; - } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) - return -ERESTARTSYS; + if (!mutex_trylock(&ioc->ctl_cmds.mutex)) { + ret = -EAGAIN; + goto out_unlock_pciaccess; + } + } else if (mutex_lock_interruptible(&ioc->ctl_cmds.mutex)) { + ret = -ERESTARTSYS; + goto out_unlock_pciaccess; + } switch (cmd) { @@ -2294,39 +2325,78 @@ _ctl_ioctl_main(struct file *file, unsigned int cmd, void __user *arg, } mutex_unlock(&ioc->ctl_cmds.mutex); +out_unlock_pciaccess: + mutex_unlock(&ioc->pci_access_mutex); return ret; } /** - * _ctl_ioctl - main ioctl entry point (unlocked) + * _ctl_ioctl - mpt3ctl main ioctl entry point (unlocked) * @file - (struct file) * @cmd - ioctl opcode * @arg - */ -static long +long _ctl_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long ret; - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0); + /* pass MPI25_VERSION value, to indicate that this ioctl cmd + * came from mpt3ctl ioctl device. + */ + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI25_VERSION); return ret; } +/** + * _ctl_mpt2_ioctl - mpt2ctl main ioctl entry point (unlocked) + * @file - (struct file) + * @cmd - ioctl opcode + * @arg - + */ +long +_ctl_mpt2_ioctl(struct file *file, unsigned int cmd, unsigned long arg) +{ + long ret; + + /* pass MPI2_VERSION value, to indicate that this ioctl cmd + * came from mpt2ctl ioctl device. + */ + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 0, MPI2_VERSION); + return ret; +} #ifdef CONFIG_COMPAT /** - * _ctl_ioctl_compat - main ioctl entry point (compat) + *_ ctl_ioctl_compat - main ioctl entry point (compat) * @file - * @cmd - * @arg - * * This routine handles 32 bit applications in 64bit os. */ -static long +long _ctl_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) { long ret; - ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1); + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI25_VERSION); + return ret; +} + +/** + *_ ctl_mpt2_ioctl_compat - main ioctl entry point (compat) + * @file - + * @cmd - + * @arg - + * + * This routine handles 32 bit applications in 64bit os. + */ +long +_ctl_mpt2_ioctl_compat(struct file *file, unsigned cmd, unsigned long arg) +{ + long ret; + + ret = _ctl_ioctl_main(file, cmd, (void __user *)arg, 1, MPI2_VERSION); return ret; } #endif @@ -2713,6 +2783,82 @@ _ctl_ioc_reply_queue_count_show(struct device *cdev, static DEVICE_ATTR(reply_queue_count, S_IRUGO, _ctl_ioc_reply_queue_count_show, NULL); +/** + * _ctl_BRM_status_show - Backup Rail Monitor Status + * @cdev - pointer to embedded class device + * @buf - the buffer returned + * + * This is number of reply queues + * + * A sysfs 'read-only' shost attribute. + */ +static ssize_t +_ctl_BRM_status_show(struct device *cdev, struct device_attribute *attr, + char *buf) +{ + struct Scsi_Host *shost = class_to_shost(cdev); + struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); + Mpi2IOUnitPage3_t *io_unit_pg3 = NULL; + Mpi2ConfigReply_t mpi_reply; + u16 backup_rail_monitor_status = 0; + u16 ioc_status; + int sz; + ssize_t rc = 0; + + if (!ioc->is_warpdrive) { + pr_err(MPT3SAS_FMT "%s: BRM attribute is only for" + " warpdrive\n", ioc->name, __func__); + goto out; + } + /* pci_access_mutex lock acquired by sysfs show path */ + mutex_lock(&ioc->pci_access_mutex); + if (ioc->pci_error_recovery || ioc->remove_host) { + mutex_unlock(&ioc->pci_access_mutex); + return 0; + } + + /* allocate upto GPIOVal 36 entries */ + sz = offsetof(Mpi2IOUnitPage3_t, GPIOVal) + (sizeof(u16) * 36); + io_unit_pg3 = kzalloc(sz, GFP_KERNEL); + if (!io_unit_pg3) { + pr_err(MPT3SAS_FMT "%s: failed allocating memory " + "for iounit_pg3: (%d) bytes\n", ioc->name, __func__, sz); + goto out; + } + + if (mpt3sas_config_get_iounit_pg3(ioc, &mpi_reply, io_unit_pg3, sz) != + 0) { + pr_err(MPT3SAS_FMT + "%s: failed reading iounit_pg3\n", ioc->name, + __func__); + goto out; + } + + ioc_status = le16_to_cpu(mpi_reply.IOCStatus) & MPI2_IOCSTATUS_MASK; + if (ioc_status != MPI2_IOCSTATUS_SUCCESS) { + pr_err(MPT3SAS_FMT "%s: iounit_pg3 failed with " + "ioc_status(0x%04x)\n", ioc->name, __func__, ioc_status); + goto out; + } + + if (io_unit_pg3->GPIOCount < 25) { + pr_err(MPT3SAS_FMT "%s: iounit_pg3->GPIOCount less than " + "25 entries, detected (%d) entries\n", ioc->name, __func__, + io_unit_pg3->GPIOCount); + goto out; + } + + /* BRM status is in bit zero of GPIOVal[24] */ + backup_rail_monitor_status = le16_to_cpu(io_unit_pg3->GPIOVal[24]); + rc = snprintf(buf, PAGE_SIZE, "%d\n", (backup_rail_monitor_status & 1)); + + out: + kfree(io_unit_pg3); + mutex_unlock(&ioc->pci_access_mutex); + return rc; +} +static DEVICE_ATTR(BRM_status, S_IRUGO, _ctl_BRM_status_show, NULL); + struct DIAG_BUFFER_START { __le32 Size; __le32 DiagVersion; @@ -3165,6 +3311,7 @@ struct device_attribute *mpt3sas_host_attrs[] = { &dev_attr_diag_trigger_event, &dev_attr_diag_trigger_scsi, &dev_attr_diag_trigger_mpi, + &dev_attr_BRM_status, NULL, }; @@ -3218,6 +3365,7 @@ struct device_attribute *mpt3sas_dev_attrs[] = { NULL, }; +/* file operations table for mpt3ctl device */ static const struct file_operations ctl_fops = { .owner = THIS_MODULE, .unlocked_ioctl = _ctl_ioctl, @@ -3228,23 +3376,53 @@ static const struct file_operations ctl_fops = { #endif }; +/* file operations table for mpt2ctl device */ +static const struct file_operations ctl_gen2_fops = { + .owner = THIS_MODULE, + .unlocked_ioctl = _ctl_mpt2_ioctl, + .poll = _ctl_poll, + .fasync = _ctl_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = _ctl_mpt2_ioctl_compat, +#endif +}; + static struct miscdevice ctl_dev = { .minor = MPT3SAS_MINOR, .name = MPT3SAS_DEV_NAME, .fops = &ctl_fops, }; +static struct miscdevice gen2_ctl_dev = { + .minor = MPT2SAS_MINOR, + .name = MPT2SAS_DEV_NAME, + .fops = &ctl_gen2_fops, +}; + /** * mpt3sas_ctl_init - main entry point for ctl. * */ void -mpt3sas_ctl_init(void) +mpt3sas_ctl_init(ushort hbas_to_enumerate) { async_queue = NULL; - if (misc_register(&ctl_dev) < 0) - pr_err("%s can't register misc device [minor=%d]\n", - MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR); + + /* Don't register mpt3ctl ioctl device if + * hbas_to_enumarate is one. + */ + if (hbas_to_enumerate != 1) + if (misc_register(&ctl_dev) < 0) + pr_err("%s can't register misc device [minor=%d]\n", + MPT3SAS_DRIVER_NAME, MPT3SAS_MINOR); + + /* Don't register mpt3ctl ioctl device if + * hbas_to_enumarate is two. + */ + if (hbas_to_enumerate != 2) + if (misc_register(&gen2_ctl_dev) < 0) + pr_err("%s can't register misc device [minor=%d]\n", + MPT2SAS_DRIVER_NAME, MPT2SAS_MINOR); init_waitqueue_head(&ctl_poll_wait); } @@ -3254,7 +3432,7 @@ mpt3sas_ctl_init(void) * */ void -mpt3sas_ctl_exit(void) +mpt3sas_ctl_exit(ushort hbas_to_enumerate) { struct MPT3SAS_ADAPTER *ioc; int i; @@ -3279,5 +3457,8 @@ mpt3sas_ctl_exit(void) kfree(ioc->event_log); } - misc_deregister(&ctl_dev); + if (hbas_to_enumerate != 1) + misc_deregister(&ctl_dev); + if (hbas_to_enumerate != 2) + misc_deregister(&gen2_ctl_dev); } diff --git a/drivers/scsi/mpt3sas/mpt3sas_ctl.h b/drivers/scsi/mpt3sas/mpt3sas_ctl.h index aee99ce67..89408356d 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_ctl.h +++ b/drivers/scsi/mpt3sas/mpt3sas_ctl.h @@ -50,10 +50,13 @@ #include <linux/miscdevice.h> #endif - +#ifndef MPT2SAS_MINOR +#define MPT2SAS_MINOR (MPT_MINOR + 1) +#endif #ifndef MPT3SAS_MINOR #define MPT3SAS_MINOR (MPT_MINOR + 2) #endif +#define MPT2SAS_DEV_NAME "mpt2ctl" #define MPT3SAS_DEV_NAME "mpt3ctl" #define MPT3_MAGIC_NUMBER 'L' #define MPT3_IOCTL_DEFAULT_TIMEOUT (10) /* in seconds */ @@ -138,6 +141,7 @@ struct mpt3_ioctl_pci_info { #define MPT2_IOCTL_INTERFACE_FC_IP (0x02) #define MPT2_IOCTL_INTERFACE_SAS (0x03) #define MPT2_IOCTL_INTERFACE_SAS2 (0x04) +#define MPT2_IOCTL_INTERFACE_SAS2_SSS6200 (0x05) #define MPT3_IOCTL_INTERFACE_SAS3 (0x06) #define MPT2_IOCTL_VERSION_LENGTH (32) diff --git a/drivers/scsi/mpt3sas/mpt3sas_debug.h b/drivers/scsi/mpt3sas/mpt3sas_debug.h index 4e8a63fdb..cceeb2c16 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_debug.h +++ b/drivers/scsi/mpt3sas/mpt3sas_debug.h @@ -68,20 +68,11 @@ #define MPT_DEBUG_TRIGGER_DIAG 0x00200000 -/* - * CONFIG_SCSI_MPT3SAS_LOGGING - enabled in Kconfig - */ - -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING #define MPT_CHECK_LOGGING(IOC, CMD, BITS) \ { \ if (IOC->logging_level & BITS) \ CMD; \ } -#else -#define MPT_CHECK_LOGGING(IOC, CMD, BITS) -#endif /* CONFIG_SCSI_MPT3SAS_LOGGING */ - /* * debug macros @@ -153,7 +144,7 @@ /* inline functions for dumping debug data*/ -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING + /** * _debug_dump_mf - print message frame contents * @mpi_request: pointer to message frame @@ -211,10 +202,5 @@ _debug_dump_config(void *mpi_request, int sz) } pr_info("\n"); } -#else -#define _debug_dump_mf(mpi_request, sz) -#define _debug_dump_reply(mpi_request, sz) -#define _debug_dump_config(mpi_request, sz) -#endif /* CONFIG_SCSI_MPT3SAS_LOGGING */ #endif /* MPT3SAS_DEBUG_H_INCLUDED */ diff --git a/drivers/scsi/mpt3sas/mpt3sas_scsih.c b/drivers/scsi/mpt3sas/mpt3sas_scsih.c index 8ccef3852..9ab77b064 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_scsih.c +++ b/drivers/scsi/mpt3sas/mpt3sas_scsih.c @@ -54,14 +54,10 @@ #include <linux/interrupt.h> #include <linux/aer.h> #include <linux/raid_class.h> +#include <asm/unaligned.h> #include "mpt3sas_base.h" -MODULE_AUTHOR(MPT3SAS_AUTHOR); -MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION); -MODULE_LICENSE("GPL"); -MODULE_VERSION(MPT3SAS_DRIVER_VERSION); - #define RAID_CHANNEL 1 /* forward proto's */ static void _scsih_expander_node_remove(struct MPT3SAS_ADAPTER *ioc, @@ -75,11 +71,16 @@ static int _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, static u8 _scsih_check_for_pending_tm(struct MPT3SAS_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(mpt3sas_ioc_list); +/* global ioc lock for list operations */ +DEFINE_SPINLOCK(gioc_lock); + +MODULE_AUTHOR(MPT3SAS_AUTHOR); +MODULE_DESCRIPTION(MPT3SAS_DESCRIPTION); +MODULE_LICENSE("GPL"); +MODULE_VERSION(MPT3SAS_DRIVER_VERSION); +MODULE_ALIAS("mpt2sas"); /* local parameters */ static u8 scsi_io_cb_idx = -1; @@ -90,7 +91,8 @@ 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 int mpt2_ids; +static int mpt3_ids; static u8 tm_tr_cb_idx = -1 ; static u8 tm_tr_volume_cb_idx = -1 ; @@ -117,8 +119,12 @@ static u64 max_lun = MPT3SAS_MAX_LUN; module_param(max_lun, ullong, 0); MODULE_PARM_DESC(max_lun, " max lun, default=16895 "); - - +static ushort hbas_to_enumerate; +module_param(hbas_to_enumerate, ushort, 0); +MODULE_PARM_DESC(hbas_to_enumerate, + " 0 - enumerates both SAS 2.0 & SAS 3.0 generation HBAs\n \ + 1 - enumerates only SAS 2.0 generation HBAs\n \ + 2 - enumerates only SAS 3.0 generation HBAs (default=0)"); /* diag_buffer_enable is bitwise * bit 0 set = TRACE @@ -143,8 +149,8 @@ MODULE_PARM_DESC(prot_mask, " host protection capabilities mask, def=7 "); /* raid transport support */ - -static struct raid_template *mpt3sas_raid_template; +struct raid_template *mpt3sas_raid_template; +struct raid_template *mpt2sas_raid_template; /** @@ -191,11 +197,36 @@ struct fw_event_work { u8 VP_ID; u8 ignore; u16 event; + struct kref refcount; char event_data[0] __aligned(4); }; -/* raid transport support */ -static struct raid_template *mpt3sas_raid_template; +static void fw_event_work_free(struct kref *r) +{ + kfree(container_of(r, struct fw_event_work, refcount)); +} + +static void fw_event_work_get(struct fw_event_work *fw_work) +{ + kref_get(&fw_work->refcount); +} + +static void fw_event_work_put(struct fw_event_work *fw_work) +{ + kref_put(&fw_work->refcount, fw_event_work_free); +} + +static struct fw_event_work *alloc_fw_event_work(int len) +{ + struct fw_event_work *fw_event; + + fw_event = kzalloc(sizeof(*fw_event) + len, GFP_ATOMIC); + if (!fw_event) + return NULL; + + kref_init(&fw_event->refcount); + return fw_event; +} /** * struct _scsi_io_transfer - scsi io transfer @@ -245,28 +276,6 @@ struct _scsi_io_transfer { u32 transfer_length; }; -/* - * The pci device ids are defined in mpi/mpi2_cnfg.h. - */ -static const struct pci_device_id scsih_pci_table[] = { - /* Fury ~ 3004 and 3008 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008, - PCI_ANY_ID, PCI_ANY_ID }, - /* Invader ~ 3108 */ - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5, - PCI_ANY_ID, PCI_ANY_ID }, - { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6, - PCI_ANY_ID, PCI_ANY_ID }, - {0} /* Terminating entry */ -}; -MODULE_DEVICE_TABLE(pci, scsih_pci_table); - /** * _scsih_set_debug_level - global setting of ioc->logging_level. * @@ -282,8 +291,10 @@ _scsih_set_debug_level(const char *val, struct kernel_param *kp) return ret; pr_info("setting logging_level(0x%08x)\n", logging_level); + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt3sas_ioc_list, list) ioc->logging_level = logging_level; + spin_unlock(&gioc_lock); return 0; } module_param_call(logging_level, _scsih_set_debug_level, param_get_int, @@ -518,8 +529,61 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, } } +static struct _sas_device * +__mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, + struct MPT3SAS_TARGET *tgt_priv) +{ + struct _sas_device *ret; + + assert_spin_locked(&ioc->sas_device_lock); + + ret = tgt_priv->sdev; + if (ret) + sas_device_get(ret); + + return ret; +} + +static struct _sas_device * +mpt3sas_get_sdev_from_target(struct MPT3SAS_ADAPTER *ioc, + struct MPT3SAS_TARGET *tgt_priv) +{ + struct _sas_device *ret; + unsigned long flags; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + ret = __mpt3sas_get_sdev_from_target(ioc, tgt_priv); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + return ret; +} + + +struct _sas_device * +__mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, + u64 sas_address) +{ + struct _sas_device *sas_device; + + assert_spin_locked(&ioc->sas_device_lock); + + list_for_each_entry(sas_device, &ioc->sas_device_list, list) + if (sas_device->sas_address == sas_address) + goto found_device; + + list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) + if (sas_device->sas_address == sas_address) + goto found_device; + + return NULL; + +found_device: + sas_device_get(sas_device); + return sas_device; +} + /** - * mpt3sas_scsih_sas_device_find_by_sas_address - sas device search + * mpt3sas_get_sdev_by_addr - sas device search * @ioc: per adapter object * @sas_address: sas address * Context: Calling function should acquire ioc->sas_device_lock @@ -528,24 +592,44 @@ _scsih_determine_boot_device(struct MPT3SAS_ADAPTER *ioc, * object. */ struct _sas_device * -mpt3sas_scsih_sas_device_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, +mpt3sas_get_sdev_by_addr(struct MPT3SAS_ADAPTER *ioc, u64 sas_address) { struct _sas_device *sas_device; + unsigned long flags; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = __mpt3sas_get_sdev_by_addr(ioc, + sas_address); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + return sas_device; +} + +static struct _sas_device * +__mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) +{ + struct _sas_device *sas_device; + + assert_spin_locked(&ioc->sas_device_lock); list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->sas_address == sas_address) - return sas_device; + if (sas_device->handle == handle) + goto found_device; list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->sas_address == sas_address) - return sas_device; + if (sas_device->handle == handle) + goto found_device; return NULL; + +found_device: + sas_device_get(sas_device); + return sas_device; } /** - * _scsih_sas_device_find_by_handle - sas device search + * mpt3sas_get_sdev_by_handle - sas device search * @ioc: per adapter object * @handle: sas device handle (assigned by firmware) * Context: Calling function should acquire ioc->sas_device_lock @@ -554,19 +638,16 @@ mpt3sas_scsih_sas_device_find_by_sas_address(struct MPT3SAS_ADAPTER *ioc, * object. */ static struct _sas_device * -_scsih_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) +mpt3sas_get_sdev_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) { struct _sas_device *sas_device; + unsigned long flags; - list_for_each_entry(sas_device, &ioc->sas_device_list, list) - if (sas_device->handle == handle) - return sas_device; - - list_for_each_entry(sas_device, &ioc->sas_device_init_list, list) - if (sas_device->handle == handle) - return sas_device; + spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return NULL; + return sas_device; } /** @@ -575,7 +656,7 @@ _scsih_sas_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) * @sas_device: the sas_device object * Context: This function will acquire ioc->sas_device_lock. * - * Removing object and freeing associated memory from the ioc->sas_device_list. + * If sas_device is on the list, remove it and decrement its reference count. */ static void _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc, @@ -602,9 +683,15 @@ _scsih_sas_device_remove(struct MPT3SAS_ADAPTER *ioc, ioc->name, sas_device->enclosure_level, sas_device->connector_name); + /* + * The lock serializes access to the list, but we still need to verify + * that nobody removed the entry while we were waiting on the lock. + */ spin_lock_irqsave(&ioc->sas_device_lock, flags); - list_del(&sas_device->list); - kfree(sas_device); + if (!list_empty(&sas_device->list)) { + list_del_init(&sas_device->list); + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } @@ -625,12 +712,16 @@ _scsih_device_remove_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) return; 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); + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); + if (sas_device) { + list_del_init(&sas_device->list); + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) + if (sas_device) { _scsih_remove_device(ioc, sas_device); + sas_device_put(sas_device); + } } /** @@ -651,13 +742,16 @@ mpt3sas_device_remove_by_sas_address(struct MPT3SAS_ADAPTER *ioc, return; spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - sas_address); - if (sas_device) - list_del(&sas_device->list); + sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address); + if (sas_device) { + list_del_init(&sas_device->list); + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) + if (sas_device) { _scsih_remove_device(ioc, sas_device); + sas_device_put(sas_device); + } } /** @@ -692,6 +786,7 @@ _scsih_sas_device_add(struct MPT3SAS_ADAPTER *ioc, sas_device->enclosure_level, sas_device->connector_name)); spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device_get(sas_device); list_add_tail(&sas_device->list, &ioc->sas_device_list); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -745,6 +840,7 @@ _scsih_sas_device_init_add(struct MPT3SAS_ADAPTER *ioc, sas_device->connector_name)); spin_lock_irqsave(&ioc->sas_device_lock, flags); + sas_device_get(sas_device); list_add_tail(&sas_device->list, &ioc->sas_device_init_list); _scsih_determine_boot_device(ioc, sas_device, 0); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -778,7 +874,7 @@ _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel) } /** - * _scsih_raid_device_find_by_handle - raid device search + * mpt3sas_raid_device_find_by_handle - raid device search * @ioc: per adapter object * @handle: sas device handle (assigned by firmware) * Context: Calling function should acquire ioc->raid_device_lock @@ -786,8 +882,8 @@ _scsih_raid_device_find_by_id(struct MPT3SAS_ADAPTER *ioc, int id, int channel) * This searches for raid_device based on handle, then return raid_device * object. */ -static struct _raid_device * -_scsih_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) +struct _raid_device * +mpt3sas_raid_device_find_by_handle(struct MPT3SAS_ADAPTER *ioc, u16 handle) { struct _raid_device *raid_device, *r; @@ -1095,14 +1191,14 @@ _scsih_scsi_lookup_find_by_lun(struct MPT3SAS_ADAPTER *ioc, int id, } /** - * _scsih_change_queue_depth - setting device queue depth + * scsih_change_queue_depth - setting device queue depth * @sdev: scsi device struct * @qdepth: requested queue depth * * Returns queue depth. */ -static int -_scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) +int +scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) { struct Scsi_Host *shost = sdev->host; int max_depth; @@ -1123,12 +1219,15 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) goto not_sata; if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) goto not_sata; + spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - sas_device_priv_data->sas_target->sas_address); - if (sas_device && sas_device->device_info & - MPI2_SAS_DEVICE_INFO_SATA_DEVICE) - max_depth = MPT3SAS_SATA_QUEUE_DEPTH; + sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); + if (sas_device) { + if (sas_device->device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) + max_depth = MPT3SAS_SATA_QUEUE_DEPTH; + + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); not_sata: @@ -1141,14 +1240,14 @@ _scsih_change_queue_depth(struct scsi_device *sdev, int qdepth) } /** - * _scsih_target_alloc - target add routine + * scsih_target_alloc - target add routine * @starget: scsi target struct * * Returns 0 if ok. Any other return is assumed to be an error and * the device is ignored. */ -static int -_scsih_target_alloc(struct scsi_target *starget) +int +scsih_target_alloc(struct scsi_target *starget) { struct Scsi_Host *shost = dev_to_shost(&starget->dev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -1176,7 +1275,9 @@ _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; - raid_device->starget = starget; + sas_target_priv_data->raid_device = raid_device; + if (ioc->is_warpdrive) + raid_device->starget = starget; } spin_unlock_irqrestore(&ioc->raid_device_lock, flags); return 0; @@ -1185,12 +1286,13 @@ _scsih_target_alloc(struct scsi_target *starget) /* sas/sata devices */ spin_lock_irqsave(&ioc->sas_device_lock, flags); rphy = dev_to_rphy(starget->dev.parent); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, rphy->identify.sas_address); if (sas_device) { sas_target_priv_data->handle = sas_device->handle; sas_target_priv_data->sas_address = sas_device->sas_address; + sas_target_priv_data->sdev = sas_device; sas_device->starget = starget; sas_device->id = starget->id; sas_device->channel = starget->channel; @@ -1206,13 +1308,13 @@ _scsih_target_alloc(struct scsi_target *starget) } /** - * _scsih_target_destroy - target destroy routine + * scsih_target_destroy - target destroy routine * @starget: scsi target struct * * Returns nothing. */ -static void -_scsih_target_destroy(struct scsi_target *starget) +void +scsih_target_destroy(struct scsi_target *starget) { struct Scsi_Host *shost = dev_to_shost(&starget->dev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -1240,13 +1342,21 @@ _scsih_target_destroy(struct scsi_target *starget) spin_lock_irqsave(&ioc->sas_device_lock, flags); rphy = dev_to_rphy(starget->dev.parent); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - rphy->identify.sas_address); + sas_device = __mpt3sas_get_sdev_from_target(ioc, sas_target_priv_data); if (sas_device && (sas_device->starget == starget) && (sas_device->id == starget->id) && (sas_device->channel == starget->channel)) sas_device->starget = NULL; + if (sas_device) { + /* + * Corresponding get() is in _scsih_target_alloc() + */ + sas_target_priv_data->sdev = NULL; + sas_device_put(sas_device); + + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); out: @@ -1255,14 +1365,14 @@ _scsih_target_destroy(struct scsi_target *starget) } /** - * _scsih_slave_alloc - device add routine + * scsih_slave_alloc - device add routine * @sdev: scsi device struct * * Returns 0 if ok. Any other return is assumed to be an error and * the device is ignored. */ -static int -_scsih_slave_alloc(struct scsi_device *sdev) +int +scsih_slave_alloc(struct scsi_device *sdev) { struct Scsi_Host *shost; struct MPT3SAS_ADAPTER *ioc; @@ -1302,14 +1412,18 @@ _scsih_slave_alloc(struct scsi_device *sdev) if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, 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__); + __func__, __LINE__); sas_device->starget = starget; } + + if (sas_device) + sas_device_put(sas_device); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } @@ -1317,13 +1431,13 @@ _scsih_slave_alloc(struct scsi_device *sdev) } /** - * _scsih_slave_destroy - device destroy routine + * scsih_slave_destroy - device destroy routine * @sdev: scsi device struct * * Returns nothing. */ -static void -_scsih_slave_destroy(struct scsi_device *sdev) +void +scsih_slave_destroy(struct scsi_device *sdev) { struct MPT3SAS_TARGET *sas_target_priv_data; struct scsi_target *starget; @@ -1344,10 +1458,13 @@ _scsih_slave_destroy(struct scsi_device *sdev) if (!(sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME)) { spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - sas_target_priv_data->sas_address); + sas_device = __mpt3sas_get_sdev_from_target(ioc, + sas_target_priv_data); if (sas_device && !sas_target_priv_data->num_luns) sas_device->starget = NULL; + + if (sas_device) + sas_device_put(sas_device); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } @@ -1409,23 +1526,26 @@ _scsih_display_sata_capabilities(struct MPT3SAS_ADAPTER *ioc, */ /** - * _scsih_is_raid - return boolean indicating device is raid volume + * scsih_is_raid - return boolean indicating device is raid volume * @dev the device struct object */ -static int -_scsih_is_raid(struct device *dev) +int +scsih_is_raid(struct device *dev) { struct scsi_device *sdev = to_scsi_device(dev); + struct MPT3SAS_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 + * scsih_get_resync - get raid volume resync percent complete * @dev the device struct object */ -static void -_scsih_get_resync(struct device *dev) +void +scsih_get_resync(struct device *dev) { struct scsi_device *sdev = to_scsi_device(dev); struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); @@ -1439,6 +1559,9 @@ _scsih_get_resync(struct device *dev) 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); @@ -1466,15 +1589,18 @@ _scsih_get_resync(struct device *dev) percent_complete = 0; out: - raid_set_resync(mpt3sas_raid_template, dev, percent_complete); + if (ioc->hba_mpi_version_belonged == MPI2_VERSION) + raid_set_resync(mpt2sas_raid_template, dev, percent_complete); + if (ioc->hba_mpi_version_belonged == MPI25_VERSION) + raid_set_resync(mpt3sas_raid_template, dev, percent_complete); } /** - * _scsih_get_state - get raid volume level + * scsih_get_state - get raid volume level * @dev the device struct object */ -static void -_scsih_get_state(struct device *dev) +void +scsih_get_state(struct device *dev) { struct scsi_device *sdev = to_scsi_device(dev); struct MPT3SAS_ADAPTER *ioc = shost_priv(sdev->host); @@ -1524,7 +1650,10 @@ _scsih_get_state(struct device *dev) break; } out: - raid_set_state(mpt3sas_raid_template, dev, state); + if (ioc->hba_mpi_version_belonged == MPI2_VERSION) + raid_set_state(mpt2sas_raid_template, dev, state); + if (ioc->hba_mpi_version_belonged == MPI25_VERSION) + raid_set_state(mpt3sas_raid_template, dev, state); } /** @@ -1533,7 +1662,8 @@ _scsih_get_state(struct device *dev) * @volume_type: volume type */ static void -_scsih_set_level(struct scsi_device *sdev, u8 volume_type) +_scsih_set_level(struct MPT3SAS_ADAPTER *ioc, + struct scsi_device *sdev, u8 volume_type) { enum raid_level level = RAID_LEVEL_UNKNOWN; @@ -1552,7 +1682,12 @@ _scsih_set_level(struct scsi_device *sdev, u8 volume_type) break; } - raid_set_level(mpt3sas_raid_template, &sdev->sdev_gendev, level); + if (ioc->hba_mpi_version_belonged == MPI2_VERSION) + raid_set_level(mpt2sas_raid_template, + &sdev->sdev_gendev, level); + if (ioc->hba_mpi_version_belonged == MPI25_VERSION) + raid_set_level(mpt3sas_raid_template, + &sdev->sdev_gendev, level); } @@ -1622,8 +1757,6 @@ _scsih_get_volume_capabilities(struct MPT3SAS_ADAPTER *ioc, return 0; } - - /** * _scsih_enable_tlr - setting TLR flags * @ioc: per adapter object @@ -1652,14 +1785,14 @@ _scsih_enable_tlr(struct MPT3SAS_ADAPTER *ioc, struct scsi_device *sdev) } /** - * _scsih_slave_configure - device configure routine. + * scsih_slave_configure - device configure routine. * @sdev: scsi device struct * * Returns 0 if ok. Any other return is assumed to be an error and * the device is ignored. */ -static int -_scsih_slave_configure(struct scsi_device *sdev) +int +scsih_slave_configure(struct scsi_device *sdev) { struct Scsi_Host *shost = sdev->host; struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -1686,7 +1819,7 @@ _scsih_slave_configure(struct scsi_device *sdev) 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, handle); + raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); if (!raid_device) { dfailprintk(ioc, pr_warn(MPT3SAS_FMT @@ -1702,6 +1835,10 @@ _scsih_slave_configure(struct scsi_device *sdev) return 1; } + /* + * WARPDRIVE: Initialize the required data for Direct IO + */ + mpt3sas_init_warpdrive_properties(ioc, raid_device); /* RAID Queue Depth Support * IS volume = underlying qdepth of drive type, either @@ -1750,17 +1887,19 @@ _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); + scsih_change_queue_depth(sdev, qdepth); -/* raid transport support */ - _scsih_set_level(sdev, raid_device->volume_type); + /* raid transport support */ + if (!ioc->is_warpdrive) + _scsih_set_level(ioc, sdev, raid_device->volume_type); return 0; } @@ -1783,7 +1922,7 @@ _scsih_slave_configure(struct scsi_device *sdev) } spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_device_priv_data->sas_target->sas_address); if (!sas_device) { spin_unlock_irqrestore(&ioc->sas_device_lock, flags); @@ -1823,13 +1962,14 @@ _scsih_slave_configure(struct scsi_device *sdev) ds, sas_device->enclosure_level, sas_device->connector_name); + sas_device_put(sas_device); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); if (!ssp_target) _scsih_display_sata_capabilities(ioc, handle, sdev); - _scsih_change_queue_depth(sdev, qdepth); + scsih_change_queue_depth(sdev, qdepth); if (ssp_target) { sas_read_port_mode_page(sdev); @@ -1840,7 +1980,7 @@ _scsih_slave_configure(struct scsi_device *sdev) } /** - * _scsih_bios_param - fetch head, sector, cylinder info for a disk + * scsih_bios_param - fetch head, sector, cylinder info for a disk * @sdev: scsi device struct * @bdev: pointer to block device context * @capacity: device size (in 512 byte sectors) @@ -1851,8 +1991,8 @@ _scsih_slave_configure(struct scsi_device *sdev) * * Return nothing. */ -static int -_scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, +int +scsih_bios_param(struct scsi_device *sdev, struct block_device *bdev, sector_t capacity, int params[]) { int heads; @@ -2209,7 +2349,10 @@ _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) if (!priv_target) return; - device_str = "volume"; + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; scsi_print_command(scmd); if (priv_target->flags & MPT_TARGET_FLAGS_VOLUME) { @@ -2219,8 +2362,7 @@ _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) device_str, (unsigned long long)priv_target->sas_address); } else { spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - priv_target->sas_address); + sas_device = __mpt3sas_get_sdev_from_target(ioc, priv_target); if (sas_device) { if (priv_target->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { @@ -2246,19 +2388,21 @@ _scsih_tm_display_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd) "enclosure level(0x%04x),connector name(%s)\n", sas_device->enclosure_level, sas_device->connector_name); + + sas_device_put(sas_device); } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } } /** - * _scsih_abort - eh threads main abort routine + * scsih_abort - eh threads main abort routine * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ -static int -_scsih_abort(struct scsi_cmnd *scmd) +int +scsih_abort(struct scsi_cmnd *scmd) { struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); struct MPT3SAS_DEVICE *sas_device_priv_data; @@ -2311,21 +2455,23 @@ _scsih_abort(struct scsi_cmnd *scmd) } /** - * _scsih_dev_reset - eh threads main device reset routine + * scsih_dev_reset - eh threads main device reset routine * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ -static int -_scsih_dev_reset(struct scsi_cmnd *scmd) +int +scsih_dev_reset(struct scsi_cmnd *scmd) { struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); struct MPT3SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device; - unsigned long flags; + struct _sas_device *sas_device = NULL; u16 handle; int r; + struct scsi_target *starget = scmd->device->sdev_target; + struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; + sdev_printk(KERN_INFO, scmd->device, "attempting device reset! scmd(%p)\n", scmd); _scsih_tm_display_info(ioc, scmd); @@ -2344,12 +2490,10 @@ _scsih_dev_reset(struct scsi_cmnd *scmd) handle = 0; if (sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, - sas_device_priv_data->sas_target->handle); + sas_device = mpt3sas_get_sdev_from_target(ioc, + target_priv_data); if (sas_device) handle = sas_device->volume_handle; - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } else handle = sas_device_priv_data->sas_target->handle; @@ -2366,25 +2510,29 @@ _scsih_dev_reset(struct scsi_cmnd *scmd) out: sdev_printk(KERN_INFO, scmd->device, "device reset: %s scmd(%p)\n", ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + + if (sas_device) + sas_device_put(sas_device); + return r; } /** - * _scsih_target_reset - eh threads main target reset routine + * scsih_target_reset - eh threads main target reset routine * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ -static int -_scsih_target_reset(struct scsi_cmnd *scmd) +int +scsih_target_reset(struct scsi_cmnd *scmd) { struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); struct MPT3SAS_DEVICE *sas_device_priv_data; - struct _sas_device *sas_device; - unsigned long flags; + struct _sas_device *sas_device = NULL; u16 handle; int r; struct scsi_target *starget = scmd->device->sdev_target; + struct MPT3SAS_TARGET *target_priv_data = starget->hostdata; starget_printk(KERN_INFO, starget, "attempting target reset! scmd(%p)\n", scmd); @@ -2404,12 +2552,10 @@ _scsih_target_reset(struct scsi_cmnd *scmd) handle = 0; if (sas_device_priv_data->sas_target->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) { - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, - sas_device_priv_data->sas_target->handle); + sas_device = mpt3sas_get_sdev_from_target(ioc, + target_priv_data); if (sas_device) handle = sas_device->volume_handle; - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } else handle = sas_device_priv_data->sas_target->handle; @@ -2426,18 +2572,22 @@ _scsih_target_reset(struct scsi_cmnd *scmd) out: starget_printk(KERN_INFO, starget, "target reset: %s scmd(%p)\n", ((r == SUCCESS) ? "SUCCESS" : "FAILED"), scmd); + + if (sas_device) + sas_device_put(sas_device); + return r; } /** - * _scsih_host_reset - eh threads main host reset routine + * scsih_host_reset - eh threads main host reset routine * @scmd: pointer to scsi command object * * Returns SUCCESS if command aborted else FAILED */ -static int -_scsih_host_reset(struct scsi_cmnd *scmd) +int +scsih_host_reset(struct scsi_cmnd *scmd) { struct MPT3SAS_ADAPTER *ioc = shost_priv(scmd->device->host); int r, retval; @@ -2483,32 +2633,36 @@ _scsih_fw_event_add(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) return; spin_lock_irqsave(&ioc->fw_event_lock, flags); + fw_event_work_get(fw_event); INIT_LIST_HEAD(&fw_event->list); list_add_tail(&fw_event->list, &ioc->fw_event_list); INIT_WORK(&fw_event->work, _firmware_event_work); + fw_event_work_get(fw_event); queue_work(ioc->firmware_event_thread, &fw_event->work); spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } /** - * _scsih_fw_event_free - delete fw_event + * _scsih_fw_event_del_from_list - delete fw_event from the list * @ioc: per adapter object * @fw_event: object describing the event * Context: This function will acquire ioc->fw_event_lock. * - * This removes firmware event object from link list, frees associated memory. + * If the fw_event is on the fw_event_list, remove it and do a put. * * Return nothing. */ static void -_scsih_fw_event_free(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work +_scsih_fw_event_del_from_list(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { unsigned long flags; spin_lock_irqsave(&ioc->fw_event_lock, flags); - list_del(&fw_event->list); - kfree(fw_event); + if (!list_empty(&fw_event->list)) { + list_del_init(&fw_event->list); + fw_event_work_put(fw_event); + } spin_unlock_irqrestore(&ioc->fw_event_lock, flags); } @@ -2525,17 +2679,19 @@ mpt3sas_send_trigger_data_event(struct MPT3SAS_ADAPTER *ioc, struct SL_WH_TRIGGERS_EVENT_DATA_T *event_data) { struct fw_event_work *fw_event; + u16 sz; if (ioc->is_driver_loading) return; - fw_event = kzalloc(sizeof(*fw_event) + sizeof(*event_data), - GFP_ATOMIC); + sz = sizeof(*event_data); + fw_event = alloc_fw_event_work(sz); if (!fw_event) return; fw_event->event = MPT3SAS_PROCESS_TRIGGER_DIAG; fw_event->ioc = ioc; memcpy(fw_event->event_data, event_data, sizeof(*event_data)); _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -2551,12 +2707,13 @@ _scsih_error_recovery_delete_devices(struct MPT3SAS_ADAPTER *ioc) if (ioc->is_driver_loading) return; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT3SAS_REMOVE_UNRESPONDING_DEVICES; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -2570,12 +2727,29 @@ mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc) { struct fw_event_work *fw_event; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT3SAS_PORT_ENABLE_COMPLETE; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); +} + +static struct fw_event_work *dequeue_next_fw_event(struct MPT3SAS_ADAPTER *ioc) +{ + unsigned long flags; + struct fw_event_work *fw_event = NULL; + + spin_lock_irqsave(&ioc->fw_event_lock, flags); + if (!list_empty(&ioc->fw_event_list)) { + fw_event = list_first_entry(&ioc->fw_event_list, + struct fw_event_work, list); + list_del_init(&fw_event->list); + } + spin_unlock_irqrestore(&ioc->fw_event_lock, flags); + + return fw_event; } /** @@ -2590,17 +2764,25 @@ mpt3sas_port_enable_complete(struct MPT3SAS_ADAPTER *ioc) static void _scsih_fw_event_cleanup_queue(struct MPT3SAS_ADAPTER *ioc) { - struct fw_event_work *fw_event, *next; + struct fw_event_work *fw_event; 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_sync(&fw_event->delayed_work)) { - _scsih_fw_event_free(ioc, fw_event); - continue; - } + while ((fw_event = dequeue_next_fw_event(ioc))) { + /* + * Wait on the fw_event to complete. If this returns 1, then + * the event was never executed, and we need a put for the + * reference the delayed_work had on the fw_event. + * + * If it did execute, we wait for it to finish, and the put will + * happen from _firmware_event_work() + */ + if (cancel_delayed_work_sync(&fw_event->delayed_work)) + fw_event_work_put(fw_event); + + fw_event_work_put(fw_event); } } @@ -2763,7 +2945,7 @@ _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) struct scsi_device *sdev; struct _sas_device *sas_device; - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); if (!sas_device) return; @@ -2779,6 +2961,8 @@ _scsih_block_io_device(struct MPT3SAS_ADAPTER *ioc, u16 handle) continue; _scsih_internal_device_block(sdev, sas_device_priv_data); } + + sas_device_put(sas_device); } /** @@ -2807,12 +2991,13 @@ _scsih_block_io_to_children_attached_to_ex(struct MPT3SAS_ADAPTER *ioc, if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = - mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - mpt3sas_port->remote_identify.sas_address); - if (sas_device) + sas_device = __mpt3sas_get_sdev_by_addr(ioc, + mpt3sas_port->remote_identify.sas_address); + if (sas_device) { set_bit(sas_device->handle, - ioc->blocking_handles); + ioc->blocking_handles); + sas_device_put(sas_device); + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } } @@ -2880,7 +3065,7 @@ _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) { Mpi2SCSITaskManagementRequest_t *mpi_request; u16 smid; - struct _sas_device *sas_device; + struct _sas_device *sas_device = NULL; struct MPT3SAS_TARGET *sas_target_priv_data = NULL; u64 sas_address = 0; unsigned long flags; @@ -2913,7 +3098,7 @@ _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) return; spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); if (sas_device && sas_device->starget && sas_device->starget->hostdata) { sas_target_priv_data = sas_device->starget->hostdata; @@ -2947,14 +3132,14 @@ _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) if (!smid) { delayed_tr = kzalloc(sizeof(*delayed_tr), GFP_ATOMIC); if (!delayed_tr) - return; + goto out; INIT_LIST_HEAD(&delayed_tr->list); delayed_tr->handle = handle; list_add_tail(&delayed_tr->list, &ioc->delayed_tr_list); dewtprintk(ioc, pr_info(MPT3SAS_FMT "DELAYED:tr:handle(0x%04x), (open)\n", ioc->name, handle)); - return; + goto out; } dewtprintk(ioc, pr_info(MPT3SAS_FMT @@ -2968,6 +3153,10 @@ _scsih_tm_tr_send(struct MPT3SAS_ADAPTER *ioc, u16 handle) mpi_request->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET; mpt3sas_base_put_smid_hi_priority(ioc, smid); mpt3sas_trigger_master(ioc, MASTER_TRIGGER_DEVICE_REMOVAL); + +out: + if (sas_device) + sas_device_put(sas_device); } /** @@ -3337,7 +3526,7 @@ _scsih_set_volume_delete_flag(struct MPT3SAS_ADAPTER *ioc, u16 handle) unsigned long flags; spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); if (raid_device && raid_device->starget && raid_device->starget->hostdata) { sas_target_priv_data = @@ -3398,6 +3587,9 @@ _scsih_check_ir_config_unhide_events(struct MPT3SAS_ADAPTER *ioc, 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++) { @@ -3634,8 +3826,9 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) } + /** - * _scsih_qcmd - main scsi request entry point + * scsih_qcmd - main scsi request entry point * @scmd: pointer to scsi command object * @done: function pointer to be invoked on completion * @@ -3645,21 +3838,20 @@ _scsih_eedp_error_handling(struct scsi_cmnd *scmd, u16 ioc_status) * SCSI_MLQUEUE_DEVICE_BUSY if the device queue is full, or * SCSI_MLQUEUE_HOST_BUSY if the entire host queue is full */ -static int -_scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) +int +scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) { struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); struct MPT3SAS_DEVICE *sas_device_priv_data; struct MPT3SAS_TARGET *sas_target_priv_data; + struct _raid_device *raid_device; Mpi2SCSIIORequest_t *mpi_request; u32 mpi_control; u16 smid; u16 handle; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_SCSI) scsi_print_command(scmd); -#endif sas_device_priv_data = scmd->device->hostdata; if (!sas_device_priv_data || !sas_device_priv_data->sas_target) { @@ -3709,8 +3901,11 @@ _scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) /* set tags */ mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ; - if ((sas_device_priv_data->flags & MPT_DEVICE_TLR_ON) && - scmd->cmd_len != 32) + /* 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 = mpt3sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd); @@ -3752,13 +3947,19 @@ _scsih_qcmd(struct Scsi_Host *shost, struct scsi_cmnd *scmd) } else ioc->build_zero_len_sge(ioc, &mpi_request->SGL); + raid_device = sas_target_priv_data->raid_device; + if (raid_device && raid_device->direct_io_enabled) + mpt3sas_setup_direct_io(ioc, scmd, raid_device, mpi_request, + smid); + if (likely(mpi_request->Function == MPI2_FUNCTION_SCSI_IO_REQUEST)) { if (sas_target_priv_data->flags & MPT_TARGET_FASTPATH_IO) { mpi_request->IoFlags = cpu_to_le16(scmd->cmd_len | MPI25_SCSIIO_IOFLAGS_FAST_PATH); mpt3sas_base_put_smid_fast_path(ioc, smid, handle); } else - mpt3sas_base_put_smid_scsi_io(ioc, smid, handle); + mpt3sas_base_put_smid_scsi_io(ioc, smid, + le16_to_cpu(mpi_request->DevHandle)); } else mpt3sas_base_put_smid_default(ioc, smid); return 0; @@ -3790,7 +3991,6 @@ _scsih_normalize_sense(char *sense_buffer, struct sense_info *data) } } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_scsi_ioc_info - translated non-succesfull SCSI_IO request * @ioc: per adapter object @@ -3818,14 +4018,16 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, 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 MPT3SAS_TARGET *priv_target = starget->hostdata; char *device_str = NULL; if (!priv_target) return; - device_str = "volume"; + if (ioc->hide_ir_msg) + device_str = "WarpDrive"; + else + device_str = "volume"; if (log_info == 0x31170000) return; @@ -3946,9 +4148,7 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, pr_warn(MPT3SAS_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 = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - priv_target->sas_address); + sas_device = mpt3sas_get_sdev_from_target(ioc, priv_target); if (sas_device) { pr_warn(MPT3SAS_FMT "\tsas_address(0x%016llx), phy(%d)\n", @@ -3967,8 +4167,9 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, " connector name( %s)\n", ioc->name, sas_device->enclosure_level, sas_device->connector_name); + + sas_device_put(sas_device); } - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); } pr_warn(MPT3SAS_FMT @@ -4003,7 +4204,6 @@ _scsih_scsi_ioc_info(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, _scsih_response_code(ioc, response_bytes[0]); } } -#endif /** * _scsih_turn_on_pfa_led - illuminate PFA LED @@ -4020,7 +4220,7 @@ _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) Mpi2SepRequest_t mpi_request; struct _sas_device *sas_device; - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); if (!sas_device) return; @@ -4035,7 +4235,7 @@ _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) &mpi_request)) != 0) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); - return; + goto out; } sas_device->pfa_led_on = 1; @@ -4044,9 +4244,12 @@ _scsih_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) "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; + goto out; } +out: + sas_device_put(sas_device); } + /** * _scsih_turn_off_pfa_led - turn off Fault LED * @ioc: per adapter object @@ -4085,6 +4288,7 @@ _scsih_turn_off_pfa_led(struct MPT3SAS_ADAPTER *ioc, return; } } + /** * _scsih_send_event_to_turn_on_pfa_led - fire delayed event * @ioc: per adapter object @@ -4098,13 +4302,14 @@ _scsih_send_event_to_turn_on_pfa_led(struct MPT3SAS_ADAPTER *ioc, u16 handle) { struct fw_event_work *fw_event; - fw_event = kzalloc(sizeof(struct fw_event_work), GFP_ATOMIC); + fw_event = alloc_fw_event_work(0); if (!fw_event) return; fw_event->event = MPT3SAS_TURN_ON_PFA_LED; fw_event->device_handle = handle; fw_event->ioc = ioc; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); } /** @@ -4128,19 +4333,17 @@ _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) /* only handle non-raid devices */ 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; - } + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); + if (!sas_device) + goto out_unlock; + starget = sas_device->starget; sas_target_priv_data = starget->hostdata; if ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_RAID_COMPONENT) || - ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; - } + ((sas_target_priv_data->flags & MPT_TARGET_FLAGS_VOLUME))) + goto out_unlock; + if (sas_device->enclosure_handle != 0) starget_printk(KERN_INFO, starget, "predicted fault, " "enclosure logical id(0x%016llx), slot(%d)\n", @@ -4163,7 +4366,7 @@ _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) if (!event_reply) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); - return; + goto out; } event_reply->Function = MPI2_FUNCTION_EVENT_NOTIFICATION; @@ -4180,6 +4383,14 @@ _scsih_smart_predicted_fault(struct MPT3SAS_ADAPTER *ioc, u16 handle) event_data->SASAddress = cpu_to_le64(sas_target_priv_data->sas_address); mpt3sas_ctl_add_to_event_log(ioc, event_reply); kfree(event_reply); +out: + if (sas_device) + sas_device_put(sas_device); + return; + +out_unlock: + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + goto out; } /** @@ -4207,6 +4418,7 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) u32 log_info; struct MPT3SAS_DEVICE *sas_device_priv_data; u32 response_code = 0; + unsigned long flags; mpi_reply = mpt3sas_base_get_reply_virt_addr(ioc, reply); scmd = _scsih_scsi_lookup_get_clear(ioc, smid); @@ -4228,6 +4440,24 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) } 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 (mpt3sas_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; + spin_unlock_irqrestore(&ioc->scsi_lookup_lock, flags); + mpt3sas_scsi_direct_io_set(ioc, smid, 0); + memcpy(mpi_request->CDB.CDB32, scmd->cmnd, scmd->cmd_len); + mpi_request->DevHandle = + cpu_to_le16(sas_device_priv_data->sas_target->handle); + mpt3sas_base_put_smid_scsi_io(ioc, smid, + sas_device_priv_data->sas_target->handle); + return 0; + } /* turning off TLR */ scsi_state = mpi_reply->SCSIState; if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) @@ -4235,10 +4465,13 @@ _scsih_io_done(struct MPT3SAS_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; + 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); @@ -4271,13 +4504,11 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) le16_to_cpu(mpi_reply->DevHandle)); mpt3sas_trigger_scsi(ioc, data.skey, data.asc, data.ascq); -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (!(ioc->logging_level & MPT_DEBUG_REPLY) && ((scmd->sense_buffer[2] == UNIT_ATTENTION) || (scmd->sense_buffer[2] == MEDIUM_ERROR) || (scmd->sense_buffer[2] == HARDWARE_ERROR))) _scsih_scsi_ioc_info(ioc, scmd, mpi_reply, smid); -#endif } switch (ioc_status) { case MPI2_IOCSTATUS_BUSY: @@ -4384,10 +4615,8 @@ _scsih_io_done(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 msix_index, u32 reply) } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (scmd->result && (ioc->logging_level & MPT_DEBUG_REPLY)) _scsih_scsi_ioc_info(ioc , scmd, mpi_reply, smid); -#endif out: @@ -4933,13 +5162,11 @@ _scsih_check_device(struct MPT3SAS_ADAPTER *ioc, spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_address = le64_to_cpu(sas_device_pg0.SASAddress); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address); - if (!sas_device) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; - } + if (!sas_device) + goto out_unlock; if (unlikely(sas_device->handle != handle)) { starget = sas_device->starget; @@ -4967,20 +5194,25 @@ _scsih_check_device(struct MPT3SAS_ADAPTER *ioc, pr_err(MPT3SAS_FMT "device is not present handle(0x%04x), flags!!!\n", ioc->name, handle); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; + goto out_unlock; } /* 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; - } + sas_device_pg0.AccessStatus)) + goto out_unlock; spin_unlock_irqrestore(&ioc->sas_device_lock, flags); _scsih_ublock_io_device(ioc, sas_address); + if (sas_device) + sas_device_put(sas_device); + return; + +out_unlock: + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (sas_device) + sas_device_put(sas_device); } /** @@ -5005,7 +5237,6 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, u32 ioc_status; u64 sas_address; u32 device_info; - unsigned long flags; if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) { @@ -5041,13 +5272,12 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, sas_device_pg0.AccessStatus)) return -1; - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, - sas_address); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - - if (sas_device) + sas_device = mpt3sas_get_sdev_by_addr(ioc, + sas_address); + if (sas_device) { + sas_device_put(sas_device); return -1; + } sas_device = kzalloc(sizeof(struct _sas_device), GFP_KERNEL); @@ -5057,6 +5287,7 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, return 0; } + kref_init(&sas_device->refcount); sas_device->handle = handle; if (_scsih_get_sas_address(ioc, le16_to_cpu(sas_device_pg0.ParentDevHandle), @@ -5098,6 +5329,7 @@ _scsih_add_device(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phy_num, else _scsih_sas_device_add(ioc, sas_device); + sas_device_put(sas_device); return 0; } @@ -5144,7 +5376,9 @@ _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, sas_target_priv_data->handle = MPT3SAS_INVALID_DEVICE_HANDLE; } - mpt3sas_transport_port_remove(ioc, + + if (!ioc->hide_drives) + mpt3sas_transport_port_remove(ioc, sas_device->sas_address, sas_device->sas_address_parent); @@ -5180,11 +5414,8 @@ _scsih_remove_device(struct MPT3SAS_ADAPTER *ioc, "%s: exit: enclosure level(0x%04x), connector name(%s)\n", ioc->name, __func__, sas_device->enclosure_level, sas_device->connector_name)); - - kfree(sas_device); } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_sas_topology_change_event_debug - debug for topology event * @ioc: per adapter object @@ -5262,7 +5493,6 @@ _scsih_sas_topology_change_event_debug(struct MPT3SAS_ADAPTER *ioc, } } -#endif /** * _scsih_sas_topology_change_event - handle topology changes @@ -5287,10 +5517,8 @@ _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, (Mpi2EventDataSasTopologyChangeList_t *) fw_event->event_data; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) _scsih_sas_topology_change_event_debug(ioc, event_data); -#endif if (ioc->shost_recovery || ioc->remove_host || ioc->pci_error_recovery) return 0; @@ -5396,7 +5624,6 @@ _scsih_sas_topology_change_event(struct MPT3SAS_ADAPTER *ioc, return 0; } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_sas_device_status_change_event_debug - debug for device event * @event_data: event data payload @@ -5464,7 +5691,6 @@ _scsih_sas_device_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, event_data->ASC, event_data->ASCQ); pr_info("\n"); } -#endif /** * _scsih_sas_device_status_change_event - handle device status change @@ -5486,11 +5712,9 @@ _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, (Mpi2EventDataSasDeviceStatusChange_t *) fw_event->event_data; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) _scsih_sas_device_status_change_event_debug(ioc, event_data); -#endif /* In MPI Revision K (0xC), the internal device reset complete was * implemented, so avoid setting tm_busy flag for older firmware. @@ -5506,29 +5730,30 @@ _scsih_sas_device_status_change_event(struct MPT3SAS_ADAPTER *ioc, spin_lock_irqsave(&ioc->sas_device_lock, flags); sas_address = le64_to_cpu(event_data->SASAddress); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, sas_address); - if (!sas_device || !sas_device->starget) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; - } + if (!sas_device || !sas_device->starget) + goto out; target_priv_data = sas_device->starget->hostdata; - if (!target_priv_data) { - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - return; - } + if (!target_priv_data) + goto out; 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; + +out: + if (sas_device) + sas_device_put(sas_device); + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_sas_enclosure_dev_status_change_event_debug - debug for enclosure * event @@ -5563,7 +5788,6 @@ _scsih_sas_enclosure_dev_status_change_event_debug(struct MPT3SAS_ADAPTER *ioc, (unsigned long long)le64_to_cpu(event_data->EnclosureLogicalID), le16_to_cpu(event_data->StartSlot)); } -#endif /** * _scsih_sas_enclosure_dev_status_change_event - handle enclosure events @@ -5577,12 +5801,10 @@ static void _scsih_sas_enclosure_dev_status_change_event(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) _scsih_sas_enclosure_dev_status_change_event_debug(ioc, (Mpi2EventDataSasEnclDevStatusChange_t *) fw_event->event_data); -#endif } /** @@ -5762,17 +5984,15 @@ _scsih_sas_discovery_event(struct MPT3SAS_ADAPTER *ioc, Mpi2EventDataSasDiscovery_t *event_data = (Mpi2EventDataSasDiscovery_t *) fw_event->event_data; -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING if (ioc->logging_level & MPT_DEBUG_EVENT_WORK_TASK) { pr_info(MPT3SAS_FMT "discovery event: (%s)", ioc->name, (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED) ? "start" : "stop"); - if (event_data->DiscoveryStatus) - pr_info("discovery_status(0x%08x)", - le32_to_cpu(event_data->DiscoveryStatus)); - pr_info("\n"); + if (event_data->DiscoveryStatus) + pr_info("discovery_status(0x%08x)", + le32_to_cpu(event_data->DiscoveryStatus)); + pr_info("\n"); } -#endif if (event_data->ReasonCode == MPI2_EVENT_SAS_DISC_RC_STARTED && !ioc->sas_hba.num_phys) { @@ -5804,6 +6024,8 @@ _scsih_ir_fastpath(struct MPT3SAS_ADAPTER *ioc, u16 handle, u8 phys_disk_num) u16 ioc_status; u32 log_info; + if (ioc->hba_mpi_version_belonged == MPI2_VERSION) + return rc; mutex_lock(&ioc->scsih_cmds.mutex); @@ -5971,7 +6193,7 @@ _scsih_sas_volume_delete(struct MPT3SAS_ADAPTER *ioc, u16 handle) struct scsi_target *starget = NULL; spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); if (raid_device) { if (raid_device->starget) { starget = raid_device->starget; @@ -6008,7 +6230,7 @@ _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc, 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); + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); if (sas_device) { sas_device->volume_handle = 0; sas_device->volume_wwid = 0; @@ -6027,6 +6249,8 @@ _scsih_sas_pd_expose(struct MPT3SAS_ADAPTER *ioc, /* exposing raid component */ if (starget) starget_for_each_device(starget, NULL, _scsih_reprobe_lun); + + sas_device_put(sas_device); } /** @@ -6055,7 +6279,7 @@ _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc, &volume_wwid); spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = _scsih_sas_device_find_by_handle(ioc, handle); + sas_device = __mpt3sas_get_sdev_by_handle(ioc, handle); if (sas_device) { set_bit(handle, ioc->pd_handles); if (sas_device->starget && sas_device->starget->hostdata) { @@ -6073,8 +6297,11 @@ _scsih_sas_pd_hide(struct MPT3SAS_ADAPTER *ioc, /* hiding raid component */ _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); + if (starget) starget_for_each_device(starget, (void *)1, _scsih_reprobe_lun); + + sas_device_put(sas_device); } /** @@ -6107,7 +6334,6 @@ _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, Mpi2EventIrConfigElement_t *element) { struct _sas_device *sas_device; - unsigned long flags; u16 handle = le16_to_cpu(element->PhysDiskDevHandle); Mpi2ConfigReply_t mpi_reply; Mpi2SasDevicePage0_t sas_device_pg0; @@ -6117,11 +6343,10 @@ _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, 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); + sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); if (sas_device) { _scsih_ir_fastpath(ioc, handle, element->PhysDiskNum); + sas_device_put(sas_device); return; } @@ -6149,7 +6374,6 @@ _scsih_sas_pd_add(struct MPT3SAS_ADAPTER *ioc, _scsih_add_device(ioc, handle, 0, 1); } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_sas_ir_config_change_event_debug - debug for IR Config Change events * @ioc: per adapter object @@ -6229,7 +6453,6 @@ _scsih_sas_ir_config_change_event_debug(struct MPT3SAS_ADAPTER *ioc, element->PhysDiskNum); } } -#endif /** * _scsih_sas_ir_config_change_event - handle ir configuration change events @@ -6250,18 +6473,16 @@ _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc, (Mpi2EventDataIrConfigChangeList_t *) fw_event->event_data; -#ifdef CONFIG_SCSI_MPT3SAS_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 - foreign_config = (le32_to_cpu(event_data->Flags) & MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0; element = (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0]; - if (ioc->shost_recovery) { - + if (ioc->shost_recovery && + ioc->hba_mpi_version_belonged != MPI2_VERSION) { for (i = 0; i < event_data->NumElements; i++, element++) { if (element->ReasonCode == MPI2_EVENT_IR_CHANGE_RC_HIDE) _scsih_ir_fastpath(ioc, @@ -6270,6 +6491,7 @@ _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *ioc, } return; } + for (i = 0; i < event_data->NumElements; i++, element++) { switch (element->ReasonCode) { @@ -6285,16 +6507,20 @@ _scsih_sas_ir_config_change_event(struct MPT3SAS_ADAPTER *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; } } @@ -6329,10 +6555,11 @@ _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc, handle = le16_to_cpu(event_data->VolDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, pr_info(MPT3SAS_FMT - "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", - ioc->name, __func__, handle, - le32_to_cpu(event_data->PreviousValue), state)); + if (!ioc->hide_ir_msg) + dewtprintk(ioc, pr_info(MPT3SAS_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: @@ -6344,7 +6571,7 @@ _scsih_sas_ir_volume_event(struct MPT3SAS_ADAPTER *ioc, case MPI2_RAID_VOL_STATE_OPTIMAL: spin_lock_irqsave(&ioc->raid_device_lock, flags); - raid_device = _scsih_raid_device_find_by_handle(ioc, handle); + raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); spin_unlock_irqrestore(&ioc->raid_device_lock, flags); if (raid_device) @@ -6398,7 +6625,6 @@ _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, u16 handle, parent_handle; u32 state; struct _sas_device *sas_device; - unsigned long flags; Mpi2ConfigReply_t mpi_reply; Mpi2SasDevicePage0_t sas_device_pg0; u32 ioc_status; @@ -6415,10 +6641,12 @@ _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, handle = le16_to_cpu(event_data->PhysDiskDevHandle); state = le32_to_cpu(event_data->NewValue); - dewtprintk(ioc, pr_info(MPT3SAS_FMT - "%s: handle(0x%04x), old(0x%08x), new(0x%08x)\n", - ioc->name, __func__, handle, + if (!ioc->hide_ir_msg) + dewtprintk(ioc, pr_info(MPT3SAS_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: @@ -6426,13 +6654,14 @@ _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, case MPI2_RAID_PD_STATE_OPTIMAL: case MPI2_RAID_PD_STATE_HOT_SPARE: - 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 (!ioc->is_warpdrive) + set_bit(handle, ioc->pd_handles); - if (sas_device) + sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); + if (sas_device) { + sas_device_put(sas_device); return; + } if ((mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, @@ -6467,7 +6696,6 @@ _scsih_sas_ir_physical_disk_event(struct MPT3SAS_ADAPTER *ioc, } } -#ifdef CONFIG_SCSI_MPT3SAS_LOGGING /** * _scsih_sas_ir_operation_status_event_debug - debug for IR op event * @ioc: per adapter object @@ -6509,7 +6737,6 @@ _scsih_sas_ir_operation_status_event_debug(struct MPT3SAS_ADAPTER *ioc, le16_to_cpu(event_data->VolDevHandle), event_data->PercentComplete); } -#endif /** * _scsih_sas_ir_operation_status_event - handle RAID operation events @@ -6530,18 +6757,17 @@ _scsih_sas_ir_operation_status_event(struct MPT3SAS_ADAPTER *ioc, unsigned long flags; u16 handle; -#ifdef CONFIG_SCSI_MPT3SAS_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, 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); + raid_device = mpt3sas_raid_device_find_by_handle(ioc, handle); if (raid_device) raid_device->percent_complete = event_data->PercentComplete; @@ -6703,7 +6929,7 @@ static void _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid, u16 handle) { - struct MPT3SAS_TARGET *sas_target_priv_data; + struct MPT3SAS_TARGET *sas_target_priv_data = NULL; struct scsi_target *starget; struct _raid_device *raid_device; unsigned long flags; @@ -6722,6 +6948,13 @@ _scsih_mark_responding_raid_device(struct MPT3SAS_ADAPTER *ioc, u64 wwid, starget_printk(KERN_INFO, raid_device->starget, "handle(0x%04x), wwid(0x%016llx)\n", handle, (unsigned long long)raid_device->wwid); + + /* + * WARPDRIVE: The handles of the PDs might have changed + * across the host reset so re-initialize the + * required data for Direct IO + */ + mpt3sas_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, @@ -6791,6 +7024,7 @@ _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc) } /* refresh the pd_handles */ + if (!ioc->is_warpdrive) { phys_disk_num = 0xFF; memset(ioc->pd_handles, 0, ioc->pd_handles_sz); while (!(mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, @@ -6804,6 +7038,7 @@ _scsih_search_responding_raid_devices(struct MPT3SAS_ADAPTER *ioc) handle = le16_to_cpu(pd_pg0.DevHandle); set_bit(handle, ioc->pd_handles); } + } out: pr_info(MPT3SAS_FMT "search for responding raid volumes: complete\n", ioc->name); @@ -6906,6 +7141,7 @@ _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc) struct _raid_device *raid_device, *raid_device_next; struct list_head tmp_list; unsigned long flags; + LIST_HEAD(head); pr_info(MPT3SAS_FMT "removing unresponding devices: start\n", ioc->name); @@ -6913,14 +7149,28 @@ _scsih_remove_unresponding_sas_devices(struct MPT3SAS_ADAPTER *ioc) /* removing unresponding end devices */ pr_info(MPT3SAS_FMT "removing unresponding devices: end-devices\n", ioc->name); + /* + * Iterate, pulling off devices marked as non-responding. We become the + * owner for the reference the list had on any object we prune. + */ + spin_lock_irqsave(&ioc->sas_device_lock, flags); list_for_each_entry_safe(sas_device, sas_device_next, &ioc->sas_device_list, list) { if (!sas_device->responding) - mpt3sas_device_remove_by_sas_address(ioc, - sas_device->sas_address); + list_move_tail(&sas_device->list, &head); else sas_device->responding = 0; } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + /* + * Now, uninitialize and remove the unresponding devices we pruned. + */ + list_for_each_entry_safe(sas_device, sas_device_next, &head, list) { + _scsih_remove_device(ioc, sas_device); + list_del_init(&sas_device->list); + sas_device_put(sas_device); + } /* removing unresponding volumes */ if (ioc->ir_firmware) { @@ -7074,11 +7324,11 @@ _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc) } 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) + sas_device = mpt3sas_get_sdev_by_handle(ioc, handle); + if (sas_device) { + sas_device_put(sas_device); continue; + } if (mpt3sas_config_get_sas_device_pg0(ioc, &mpi_reply, &sas_device_pg0, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) @@ -7199,12 +7449,12 @@ _scsih_scan_for_devices_after_reset(struct MPT3SAS_ADAPTER *ioc) if (!(_scsih_is_end_device( le32_to_cpu(sas_device_pg0.DeviceInfo)))) continue; - spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = mpt3sas_get_sdev_by_addr(ioc, le64_to_cpu(sas_device_pg0.SASAddress)); - spin_unlock_irqrestore(&ioc->sas_device_lock, flags); - if (sas_device) + if (sas_device) { + sas_device_put(sas_device); continue; + } parent_handle = le16_to_cpu(sas_device_pg0.ParentDevHandle); if (!_scsih_get_sas_address(ioc, parent_handle, &sas_address)) { pr_info(MPT3SAS_FMT "\tBEFORE adding end device: " \ @@ -7296,10 +7546,11 @@ mpt3sas_scsih_reset_handler(struct MPT3SAS_ADAPTER *ioc, int reset_phase) static void _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) { + _scsih_fw_event_del_from_list(ioc, fw_event); + /* the queue is being flushed so ignore this event */ - if (ioc->remove_host || - ioc->pci_error_recovery) { - _scsih_fw_event_free(ioc, fw_event); + if (ioc->remove_host || ioc->pci_error_recovery) { + fw_event_work_put(fw_event); return; } @@ -7310,8 +7561,16 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) fw_event->event_data); break; case MPT3SAS_REMOVE_UNRESPONDING_DEVICES: - while (scsi_host_in_recovery(ioc->shost) || ioc->shost_recovery) + while (scsi_host_in_recovery(ioc->shost) || + ioc->shost_recovery) { + /* + * If we're unloading, bail. Otherwise, this can become + * an infinite loop. + */ + if (ioc->remove_host) + goto out; ssleep(1); + } _scsih_remove_unresponding_sas_devices(ioc); _scsih_scan_for_devices_after_reset(ioc); break; @@ -7356,7 +7615,8 @@ _mpt3sas_fw_work(struct MPT3SAS_ADAPTER *ioc, struct fw_event_work *fw_event) _scsih_sas_ir_operation_status_event(ioc, fw_event); break; } - _scsih_fw_event_free(ioc, fw_event); +out: + fw_event_work_put(fw_event); } /** @@ -7453,7 +7713,53 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, (Mpi2EventDataIrVolume_t *) mpi_reply->EventData); break; + case MPI2_EVENT_LOG_ENTRY_ADDED: + { + Mpi2EventDataLogEntryAdded_t *log_entry; + u32 *log_code; + + if (!ioc->is_warpdrive) + break; + + log_entry = (Mpi2EventDataLogEntryAdded_t *) + mpi_reply->EventData; + log_code = (u32 *)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: + pr_warn(MPT3SAS_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: + pr_warn(MPT3SAS_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: + pr_err(MPT3SAS_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: + pr_err(MPT3SAS_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: @@ -7472,7 +7778,7 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, } sz = le16_to_cpu(mpi_reply->EventDataLength) * 4; - fw_event = kzalloc(sizeof(*fw_event) + sz, GFP_ATOMIC); + fw_event = alloc_fw_event_work(sz); if (!fw_event) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", ioc->name, __FILE__, __LINE__, __func__); @@ -7485,39 +7791,10 @@ mpt3sas_scsih_event_callback(struct MPT3SAS_ADAPTER *ioc, u8 msix_index, fw_event->VP_ID = mpi_reply->VP_ID; fw_event->event = event; _scsih_fw_event_add(ioc, fw_event); + fw_event_work_put(fw_event); return 1; } -/* shost template */ -static struct scsi_host_template scsih_driver_template = { - .module = THIS_MODULE, - .name = "Fusion MPT SAS Host", - .proc_name = MPT3SAS_DRIVER_NAME, - .queuecommand = _scsih_qcmd, - .target_alloc = _scsih_target_alloc, - .slave_alloc = _scsih_slave_alloc, - .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, - .eh_abort_handler = _scsih_abort, - .eh_device_reset_handler = _scsih_dev_reset, - .eh_target_reset_handler = _scsih_target_reset, - .eh_host_reset_handler = _scsih_host_reset, - .bios_param = _scsih_bios_param, - .can_queue = 1, - .this_id = -1, - .sg_tablesize = MPT3SAS_SG_DEPTH, - .max_sectors = 32767, - .cmd_per_lun = 7, - .use_clustering = ENABLE_CLUSTERING, - .shost_attrs = mpt3sas_host_attrs, - .sdev_attrs = mpt3sas_dev_attrs, - .track_queue_depth = 1, -}; - /** * _scsih_expander_node_remove - removing expander device from list. * @ioc: per adapter object @@ -7613,7 +7890,8 @@ _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) mpi_request->Function = MPI2_FUNCTION_RAID_ACTION; mpi_request->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED; - pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name); + if (!ioc->hide_ir_msg) + pr_info(MPT3SAS_FMT "IR shutdown (sending)\n", ioc->name); init_completion(&ioc->scsih_cmds.done); mpt3sas_base_put_smid_default(ioc, smid); wait_for_completion_timeout(&ioc->scsih_cmds.done, 10*HZ); @@ -7626,10 +7904,11 @@ _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) if (ioc->scsih_cmds.status & MPT3_CMD_REPLY_VALID) { mpi_reply = ioc->scsih_cmds.reply; - pr_info(MPT3SAS_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) + pr_info(MPT3SAS_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: @@ -7638,13 +7917,13 @@ _scsih_ir_shutdown(struct MPT3SAS_ADAPTER *ioc) } /** - * _scsih_remove - detach and remove add host + * scsih_remove - detach and remove add host * @pdev: PCI device struct * * Routine called when unloading the driver. * Return nothing. */ -static void _scsih_remove(struct pci_dev *pdev) +void scsih_remove(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -7705,18 +7984,20 @@ static void _scsih_remove(struct pci_dev *pdev) sas_remove_host(shost); scsi_remove_host(shost); mpt3sas_base_detach(ioc); + spin_lock(&gioc_lock); list_del(&ioc->list); + spin_unlock(&gioc_lock); scsi_host_put(shost); } /** - * _scsih_shutdown - routine call during system shutdown + * scsih_shutdown - routine call during system shutdown * @pdev: PCI device struct * * Return nothing. */ -static void -_scsih_shutdown(struct pci_dev *pdev) +void +scsih_shutdown(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -7794,6 +8075,8 @@ _scsih_probe_boot_devices(struct MPT3SAS_ADAPTER *ioc) list_move_tail(&sas_device->list, &ioc->sas_device_list); spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + if (ioc->hide_drives) + return; if (!mpt3sas_transport_port_add(ioc, handle, sas_address_parent)) { _scsih_sas_device_remove(ioc, sas_device); @@ -7831,6 +8114,48 @@ _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc) } } +static struct _sas_device *get_next_sas_device(struct MPT3SAS_ADAPTER *ioc) +{ + struct _sas_device *sas_device = NULL; + unsigned long flags; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + if (!list_empty(&ioc->sas_device_init_list)) { + sas_device = list_first_entry(&ioc->sas_device_init_list, + struct _sas_device, list); + sas_device_get(sas_device); + } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); + + return sas_device; +} + +static void sas_device_make_active(struct MPT3SAS_ADAPTER *ioc, + struct _sas_device *sas_device) +{ + unsigned long flags; + + spin_lock_irqsave(&ioc->sas_device_lock, flags); + + /* + * Since we dropped the lock during the call to port_add(), we need to + * be careful here that somebody else didn't move or delete this item + * while we were busy with other things. + * + * If it was on the list, we need a put() for the reference the list + * had. Either way, we need a get() for the destination list. + */ + if (!list_empty(&sas_device->list)) { + list_del_init(&sas_device->list); + sas_device_put(sas_device); + } + + sas_device_get(sas_device); + list_add_tail(&sas_device->list, &ioc->sas_device_list); + + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); +} + /** * _scsih_probe_sas - reporting sas devices to sas transport * @ioc: per adapter object @@ -7840,17 +8165,16 @@ _scsih_probe_raid(struct MPT3SAS_ADAPTER *ioc) static void _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) { - struct _sas_device *sas_device, *next; - unsigned long flags; + struct _sas_device *sas_device; - /* SAS Device List */ - list_for_each_entry_safe(sas_device, next, &ioc->sas_device_init_list, - list) { + if (ioc->hide_drives) + return; + while ((sas_device = get_next_sas_device(ioc))) { if (!mpt3sas_transport_port_add(ioc, sas_device->handle, sas_device->sas_address_parent)) { - list_del(&sas_device->list); - kfree(sas_device); + _scsih_sas_device_remove(ioc, sas_device); + sas_device_put(sas_device); continue; } else if (!sas_device->starget) { /* @@ -7863,15 +8187,13 @@ _scsih_probe_sas(struct MPT3SAS_ADAPTER *ioc) mpt3sas_transport_port_remove(ioc, sas_device->sas_address, sas_device->sas_address_parent); - list_del(&sas_device->list); - kfree(sas_device); + _scsih_sas_device_remove(ioc, sas_device); + sas_device_put(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); + sas_device_make_active(ioc, sas_device); + sas_device_put(sas_device); } } @@ -7908,15 +8230,15 @@ _scsih_probe_devices(struct MPT3SAS_ADAPTER *ioc) } /** - * _scsih_scan_start - scsi lld callback for .scan_start + * 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) +void +scsih_scan_start(struct Scsi_Host *shost) { struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); int rc; @@ -7934,7 +8256,7 @@ _scsih_scan_start(struct Scsi_Host *shost) } /** - * _scsih_scan_finished - scsi lld callback for .scan_finished + * scsih_scan_finished - scsi lld callback for .scan_finished * @shost: SCSI host pointer * @time: elapsed time of the scan in jiffies * @@ -7942,8 +8264,8 @@ _scsih_scan_start(struct Scsi_Host *shost) * 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) +int +scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) { struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -7987,6 +8309,124 @@ _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) return 1; } +/* shost template for SAS 2.0 HBA devices */ +static struct scsi_host_template mpt2sas_driver_template = { + .module = THIS_MODULE, + .name = "Fusion MPT SAS Host", + .proc_name = MPT2SAS_DRIVER_NAME, + .queuecommand = scsih_qcmd, + .target_alloc = scsih_target_alloc, + .slave_alloc = scsih_slave_alloc, + .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, + .eh_abort_handler = scsih_abort, + .eh_device_reset_handler = scsih_dev_reset, + .eh_target_reset_handler = scsih_target_reset, + .eh_host_reset_handler = scsih_host_reset, + .bios_param = scsih_bios_param, + .can_queue = 1, + .this_id = -1, + .sg_tablesize = MPT2SAS_SG_DEPTH, + .max_sectors = 32767, + .cmd_per_lun = 7, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = mpt3sas_host_attrs, + .sdev_attrs = mpt3sas_dev_attrs, + .track_queue_depth = 1, +}; + +/* raid transport support for SAS 2.0 HBA devices */ +static struct raid_function_template mpt2sas_raid_functions = { + .cookie = &mpt2sas_driver_template, + .is_raid = scsih_is_raid, + .get_resync = scsih_get_resync, + .get_state = scsih_get_state, +}; + +/* shost template for SAS 3.0 HBA devices */ +static struct scsi_host_template mpt3sas_driver_template = { + .module = THIS_MODULE, + .name = "Fusion MPT SAS Host", + .proc_name = MPT3SAS_DRIVER_NAME, + .queuecommand = scsih_qcmd, + .target_alloc = scsih_target_alloc, + .slave_alloc = scsih_slave_alloc, + .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, + .eh_abort_handler = scsih_abort, + .eh_device_reset_handler = scsih_dev_reset, + .eh_target_reset_handler = scsih_target_reset, + .eh_host_reset_handler = scsih_host_reset, + .bios_param = scsih_bios_param, + .can_queue = 1, + .this_id = -1, + .sg_tablesize = MPT3SAS_SG_DEPTH, + .max_sectors = 32767, + .cmd_per_lun = 7, + .use_clustering = ENABLE_CLUSTERING, + .shost_attrs = mpt3sas_host_attrs, + .sdev_attrs = mpt3sas_dev_attrs, + .track_queue_depth = 1, +}; + +/* raid transport support for SAS 3.0 HBA devices */ +static struct raid_function_template mpt3sas_raid_functions = { + .cookie = &mpt3sas_driver_template, + .is_raid = scsih_is_raid, + .get_resync = scsih_get_resync, + .get_state = scsih_get_state, +}; + +/** + * _scsih_determine_hba_mpi_version - determine in which MPI version class + * this device belongs to. + * @pdev: PCI device struct + * + * return MPI2_VERSION for SAS 2.0 HBA devices, + * MPI25_VERSION for SAS 3.0 HBA devices. + */ +u16 +_scsih_determine_hba_mpi_version(struct pci_dev *pdev) +{ + + switch (pdev->device) { + case MPI2_MFGPAGE_DEVID_SSS6200: + case MPI2_MFGPAGE_DEVID_SAS2004: + case MPI2_MFGPAGE_DEVID_SAS2008: + case MPI2_MFGPAGE_DEVID_SAS2108_1: + case MPI2_MFGPAGE_DEVID_SAS2108_2: + case MPI2_MFGPAGE_DEVID_SAS2108_3: + case MPI2_MFGPAGE_DEVID_SAS2116_1: + case MPI2_MFGPAGE_DEVID_SAS2116_2: + case MPI2_MFGPAGE_DEVID_SAS2208_1: + case MPI2_MFGPAGE_DEVID_SAS2208_2: + case MPI2_MFGPAGE_DEVID_SAS2208_3: + case MPI2_MFGPAGE_DEVID_SAS2208_4: + case MPI2_MFGPAGE_DEVID_SAS2208_5: + case MPI2_MFGPAGE_DEVID_SAS2208_6: + case MPI2_MFGPAGE_DEVID_SAS2308_1: + case MPI2_MFGPAGE_DEVID_SAS2308_2: + case MPI2_MFGPAGE_DEVID_SAS2308_3: + return MPI2_VERSION; + case MPI25_MFGPAGE_DEVID_SAS3004: + case MPI25_MFGPAGE_DEVID_SAS3008: + case MPI25_MFGPAGE_DEVID_SAS3108_1: + case MPI25_MFGPAGE_DEVID_SAS3108_2: + case MPI25_MFGPAGE_DEVID_SAS3108_5: + case MPI25_MFGPAGE_DEVID_SAS3108_6: + return MPI25_VERSION; + } + return 0; +} + /** * _scsih_probe - attach and add scsi host * @pdev: PCI device struct @@ -7994,26 +8434,72 @@ _scsih_scan_finished(struct Scsi_Host *shost, unsigned long time) * * Returns 0 success, anything else error. */ -static int +int _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) { struct MPT3SAS_ADAPTER *ioc; - struct Scsi_Host *shost; + struct Scsi_Host *shost = NULL; int rv; + u16 hba_mpi_version; - shost = scsi_host_alloc(&scsih_driver_template, - sizeof(struct MPT3SAS_ADAPTER)); - if (!shost) + /* Determine in which MPI version class this pci device belongs */ + hba_mpi_version = _scsih_determine_hba_mpi_version(pdev); + if (hba_mpi_version == 0) return -ENODEV; - /* init local params */ - ioc = shost_priv(shost); - memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); + /* Enumerate only SAS 2.0 HBA's if hbas_to_enumerate is one, + * for other generation HBA's return with -ENODEV + */ + if ((hbas_to_enumerate == 1) && (hba_mpi_version != MPI2_VERSION)) + return -ENODEV; + + /* Enumerate only SAS 3.0 HBA's if hbas_to_enumerate is two, + * for other generation HBA's return with -ENODEV + */ + if ((hbas_to_enumerate == 2) && (hba_mpi_version != MPI25_VERSION)) + return -ENODEV; + + switch (hba_mpi_version) { + case MPI2_VERSION: + /* Use mpt2sas driver host template for SAS 2.0 HBA's */ + shost = scsi_host_alloc(&mpt2sas_driver_template, + sizeof(struct MPT3SAS_ADAPTER)); + if (!shost) + return -ENODEV; + ioc = shost_priv(shost); + memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); + ioc->hba_mpi_version_belonged = hba_mpi_version; + ioc->id = mpt2_ids++; + sprintf(ioc->driver_name, "%s", MPT2SAS_DRIVER_NAME); + if (pdev->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; + break; + case MPI25_VERSION: + /* Use mpt3sas driver host template for SAS 3.0 HBA's */ + shost = scsi_host_alloc(&mpt3sas_driver_template, + sizeof(struct MPT3SAS_ADAPTER)); + if (!shost) + return -ENODEV; + ioc = shost_priv(shost); + memset(ioc, 0, sizeof(struct MPT3SAS_ADAPTER)); + ioc->hba_mpi_version_belonged = hba_mpi_version; + ioc->id = mpt3_ids++; + sprintf(ioc->driver_name, "%s", MPT3SAS_DRIVER_NAME); + if (pdev->revision >= SAS3_PCI_DEVICE_C0_REVISION) + ioc->msix96_vector = 1; + break; + default: + return -ENODEV; + } + INIT_LIST_HEAD(&ioc->list); + spin_lock(&gioc_lock); list_add_tail(&ioc->list, &mpt3sas_ioc_list); + spin_unlock(&gioc_lock); ioc->shost = shost; - ioc->id = mpt_ids++; - sprintf(ioc->name, "%s%d", MPT3SAS_DRIVER_NAME, ioc->id); ioc->pdev = pdev; ioc->scsi_io_cb_idx = scsi_io_cb_idx; ioc->tm_cb_idx = tm_cb_idx; @@ -8030,6 +8516,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) ioc->schedule_dead_ioc_flush_running_cmds = &_scsih_flush_running_cmds; /* misc semaphores and spin locks */ mutex_init(&ioc->reset_in_progress_mutex); + /* initializing pci_access_mutex lock */ + mutex_init(&ioc->pci_access_mutex); spin_lock_init(&ioc->ioc_reset_in_progress_lock); spin_lock_init(&ioc->scsi_lookup_lock); spin_lock_init(&ioc->sas_device_lock); @@ -8048,6 +8536,8 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) INIT_LIST_HEAD(&ioc->delayed_tr_volume_list); INIT_LIST_HEAD(&ioc->reply_queue_list); + sprintf(ioc->name, "%s_cm%d", ioc->driver_name, ioc->id); + /* init shost parameters */ shost->max_cmd_len = 32; shost->max_lun = max_lun; @@ -8086,7 +8576,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) /* event thread */ snprintf(ioc->firmware_event_name, sizeof(ioc->firmware_event_name), - "fw_event%d", ioc->id); + "fw_event_%s%d", ioc->driver_name, ioc->id); ioc->firmware_event_thread = alloc_ordered_workqueue( ioc->firmware_event_name, WQ_MEM_RECLAIM); if (!ioc->firmware_event_thread) { @@ -8103,6 +8593,21 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id) rv = -ENODEV; goto out_attach_fail; } + + 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 (mpt3sas_get_num_volumes(ioc)) + ioc->hide_drives = 1; + else + ioc->hide_drives = 0; + } + } else + ioc->hide_drives = 0; + rv = scsi_add_host(shost, &pdev->dev); if (rv) { pr_err(MPT3SAS_FMT "failure at %s:%d/%s()!\n", @@ -8117,21 +8622,23 @@ out_add_shost_fail: out_attach_fail: destroy_workqueue(ioc->firmware_event_thread); out_thread_fail: + spin_lock(&gioc_lock); list_del(&ioc->list); + spin_unlock(&gioc_lock); scsi_host_put(shost); return rv; } #ifdef CONFIG_PM /** - * _scsih_suspend - power management suspend main entry point + * scsih_suspend - power management suspend main entry point * @pdev: PCI device struct * @state: PM state change to (usually PCI_D3) * * Returns 0 success, anything else error. */ -static int -_scsih_suspend(struct pci_dev *pdev, pm_message_t state) +int +scsih_suspend(struct pci_dev *pdev, pm_message_t state) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8152,13 +8659,13 @@ _scsih_suspend(struct pci_dev *pdev, pm_message_t state) } /** - * _scsih_resume - power management resume main entry point + * scsih_resume - power management resume main entry point * @pdev: PCI device struct * * Returns 0 success, anything else error. */ -static int -_scsih_resume(struct pci_dev *pdev) +int +scsih_resume(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8185,7 +8692,7 @@ _scsih_resume(struct pci_dev *pdev) #endif /* CONFIG_PM */ /** - * _scsih_pci_error_detected - Called when a PCI error is detected. + * scsih_pci_error_detected - Called when a PCI error is detected. * @pdev: PCI device struct * @state: PCI channel state * @@ -8194,8 +8701,8 @@ _scsih_resume(struct pci_dev *pdev) * 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) +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 MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8224,15 +8731,15 @@ _scsih_pci_error_detected(struct pci_dev *pdev, pci_channel_state_t state) } /** - * _scsih_pci_slot_reset - Called when PCI slot has been 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) +pci_ers_result_t +scsih_pci_slot_reset(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8261,15 +8768,15 @@ _scsih_pci_slot_reset(struct pci_dev *pdev) } /** - * _scsih_pci_resume() - resume normal ops after PCI reset + * 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) +void +scsih_pci_resume(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8282,11 +8789,11 @@ _scsih_pci_resume(struct pci_dev *pdev) } /** - * _scsih_pci_mmio_enabled - Enable MMIO and dump debug registers + * 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) +pci_ers_result_t +scsih_pci_mmio_enabled(struct pci_dev *pdev) { struct Scsi_Host *shost = pci_get_drvdata(pdev); struct MPT3SAS_ADAPTER *ioc = shost_priv(shost); @@ -8300,61 +8807,99 @@ _scsih_pci_mmio_enabled(struct pci_dev *pdev) return PCI_ERS_RESULT_NEED_RESET; } -/* raid transport support */ -static struct raid_function_template mpt3sas_raid_functions = { - .cookie = &scsih_driver_template, - .is_raid = _scsih_is_raid, - .get_resync = _scsih_get_resync, - .get_state = _scsih_get_state, +/* + * The pci device ids are defined in mpi/mpi2_cnfg.h. + */ +static const struct pci_device_id mpt3sas_pci_table[] = { + /* Spitfire ~ 2004 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2004, + PCI_ANY_ID, PCI_ANY_ID }, + /* Falcon ~ 2008 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2008, + PCI_ANY_ID, PCI_ANY_ID }, + /* Liberator ~ 2108 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_1, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_2, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2108_3, + PCI_ANY_ID, PCI_ANY_ID }, + /* Meteor ~ 2116 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_1, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2116_2, + PCI_ANY_ID, PCI_ANY_ID }, + /* Thunderbolt ~ 2208 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_1, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_2, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_3, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_4, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_5, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SAS2208_6, + PCI_ANY_ID, PCI_ANY_ID }, + /* 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_SAS2308_3, + PCI_ANY_ID, PCI_ANY_ID }, + /* SSS6200 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI2_MFGPAGE_DEVID_SSS6200, + PCI_ANY_ID, PCI_ANY_ID }, + /* Fury ~ 3004 and 3008 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3004, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3008, + PCI_ANY_ID, PCI_ANY_ID }, + /* Invader ~ 3108 */ + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_1, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_2, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_5, + PCI_ANY_ID, PCI_ANY_ID }, + { MPI2_MFGPAGE_VENDORID_LSI, MPI25_MFGPAGE_DEVID_SAS3108_6, + PCI_ANY_ID, PCI_ANY_ID }, + {0} /* Terminating entry */ }; +MODULE_DEVICE_TABLE(pci, mpt3sas_pci_table); -static 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_error_handlers _mpt3sas_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 = { +static struct pci_driver mpt3sas_driver = { .name = MPT3SAS_DRIVER_NAME, - .id_table = scsih_pci_table, + .id_table = mpt3sas_pci_table, .probe = _scsih_probe, - .remove = _scsih_remove, - .shutdown = _scsih_shutdown, - .err_handler = &_scsih_err_handler, + .remove = scsih_remove, + .shutdown = scsih_shutdown, + .err_handler = &_mpt3sas_err_handler, #ifdef CONFIG_PM - .suspend = _scsih_suspend, - .resume = _scsih_resume, + .suspend = scsih_suspend, + .resume = scsih_resume, #endif }; - /** - * _scsih_init - main entry point for this driver. + * scsih_init - main entry point for this driver. * * Returns 0 success, anything else error. */ -static int __init -_scsih_init(void) +int +scsih_init(void) { - int error; - - mpt_ids = 0; - - pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME, - MPT3SAS_DRIVER_VERSION); - - mpt3sas_transport_template = - sas_attach_transport(&mpt3sas_transport_functions); - if (!mpt3sas_transport_template) - return -ENODEV; - -/* raid transport support */ - mpt3sas_raid_template = raid_class_attach(&mpt3sas_raid_functions); - if (!mpt3sas_raid_template) { - sas_release_transport(mpt3sas_transport_template); - return -ENODEV; - } + mpt2_ids = 0; + mpt3_ids = 0; mpt3sas_base_initialize_callback_handler(); @@ -8392,33 +8937,17 @@ _scsih_init(void) tm_sas_control_cb_idx = mpt3sas_base_register_callback_handler( _scsih_sas_control_complete); - mpt3sas_ctl_init(); - - error = pci_register_driver(&scsih_driver); - if (error) { - /* raid transport support */ - raid_class_release(mpt3sas_raid_template); - sas_release_transport(mpt3sas_transport_template); - } - - return error; + return 0; } /** - * _scsih_exit - exit point for this driver (when it is a module). + * scsih_exit - exit point for this driver (when it is a module). * * Returns 0 success, anything else error. */ -static void __exit -_scsih_exit(void) +void +scsih_exit(void) { - pr_info("mpt3sas version %s unloading\n", - MPT3SAS_DRIVER_VERSION); - - mpt3sas_ctl_exit(); - - pci_unregister_driver(&scsih_driver); - mpt3sas_base_release_callback_handler(scsi_io_cb_idx); mpt3sas_base_release_callback_handler(tm_cb_idx); @@ -8434,9 +8963,86 @@ _scsih_exit(void) mpt3sas_base_release_callback_handler(tm_sas_control_cb_idx); /* raid transport support */ - raid_class_release(mpt3sas_raid_template); + if (hbas_to_enumerate != 1) + raid_class_release(mpt3sas_raid_template); + if (hbas_to_enumerate != 2) + raid_class_release(mpt2sas_raid_template); sas_release_transport(mpt3sas_transport_template); } -module_init(_scsih_init); -module_exit(_scsih_exit); +/** + * _mpt3sas_init - main entry point for this driver. + * + * Returns 0 success, anything else error. + */ +static int __init +_mpt3sas_init(void) +{ + int error; + + pr_info("%s version %s loaded\n", MPT3SAS_DRIVER_NAME, + MPT3SAS_DRIVER_VERSION); + + mpt3sas_transport_template = + sas_attach_transport(&mpt3sas_transport_functions); + if (!mpt3sas_transport_template) + return -ENODEV; + + /* No need attach mpt3sas raid functions template + * if hbas_to_enumarate value is one. + */ + if (hbas_to_enumerate != 1) { + mpt3sas_raid_template = + raid_class_attach(&mpt3sas_raid_functions); + if (!mpt3sas_raid_template) { + sas_release_transport(mpt3sas_transport_template); + return -ENODEV; + } + } + + /* No need to attach mpt2sas raid functions template + * if hbas_to_enumarate value is two + */ + if (hbas_to_enumerate != 2) { + mpt2sas_raid_template = + raid_class_attach(&mpt2sas_raid_functions); + if (!mpt2sas_raid_template) { + sas_release_transport(mpt3sas_transport_template); + return -ENODEV; + } + } + + error = scsih_init(); + if (error) { + scsih_exit(); + return error; + } + + mpt3sas_ctl_init(hbas_to_enumerate); + + error = pci_register_driver(&mpt3sas_driver); + if (error) + scsih_exit(); + + return error; +} + +/** + * _mpt3sas_exit - exit point for this driver (when it is a module). + * + */ +static void __exit +_mpt3sas_exit(void) +{ + pr_info("mpt3sas version %s unloading\n", + MPT3SAS_DRIVER_VERSION); + + pci_unregister_driver(&mpt3sas_driver); + + mpt3sas_ctl_exit(hbas_to_enumerate); + + scsih_exit(); +} + +module_init(_mpt3sas_init); +module_exit(_mpt3sas_exit); diff --git a/drivers/scsi/mpt3sas/mpt3sas_transport.c b/drivers/scsi/mpt3sas/mpt3sas_transport.c index 70fd019e7..ca36d7ea0 100644 --- a/drivers/scsi/mpt3sas/mpt3sas_transport.c +++ b/drivers/scsi/mpt3sas/mpt3sas_transport.c @@ -734,7 +734,7 @@ mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 handle, rphy->identify = mpt3sas_port->remote_identify; if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = mpt3sas_get_sdev_by_addr(ioc, mpt3sas_port->remote_identify.sas_address); if (!sas_device) { dfailprintk(ioc, printk(MPT3SAS_FMT @@ -750,8 +750,10 @@ mpt3sas_transport_port_add(struct MPT3SAS_ADAPTER *ioc, u16 handle, ioc->name, __FILE__, __LINE__, __func__); } - if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) + if (mpt3sas_port->remote_identify.device_type == SAS_END_DEVICE) { sas_device->pend_sas_rphy_add = 0; + sas_device_put(sas_device); + } if ((ioc->logging_level & MPT_DEBUG_TRANSPORT)) dev_printk(KERN_INFO, &rphy->dev, @@ -1324,15 +1326,17 @@ _transport_get_enclosure_identifier(struct sas_rphy *rphy, u64 *identifier) int rc; spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, rphy->identify.sas_address); if (sas_device) { *identifier = sas_device->enclosure_logical_id; rc = 0; + sas_device_put(sas_device); } else { *identifier = 0; rc = -ENXIO; } + spin_unlock_irqrestore(&ioc->sas_device_lock, flags); return rc; } @@ -1352,12 +1356,14 @@ _transport_get_bay_identifier(struct sas_rphy *rphy) int rc; spin_lock_irqsave(&ioc->sas_device_lock, flags); - sas_device = mpt3sas_scsih_sas_device_find_by_sas_address(ioc, + sas_device = __mpt3sas_get_sdev_by_addr(ioc, rphy->identify.sas_address); - if (sas_device) + if (sas_device) { rc = sas_device->slot; - else + sas_device_put(sas_device); + } else { rc = -ENXIO; + } spin_unlock_irqrestore(&ioc->sas_device_lock, flags); return rc; } diff --git a/drivers/scsi/mpt3sas/mpt3sas_warpdrive.c b/drivers/scsi/mpt3sas/mpt3sas_warpdrive.c new file mode 100644 index 000000000..540bd5005 --- /dev/null +++ b/drivers/scsi/mpt3sas/mpt3sas_warpdrive.c @@ -0,0 +1,344 @@ +/* + * Scsi Host Layer for MPT (Message Passing Technology) based controllers + * + * Copyright (C) 2012-2014 LSI Corporation + * Copyright (C) 2013-2015 Avago Technologies + * (mailto: MPT-FusionLinux.pdl@avagotech.com) + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * NO WARRANTY + * THE PROGRAM IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OR + * CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED INCLUDING, WITHOUT + * LIMITATION, ANY WARRANTIES OR CONDITIONS OF TITLE, NON-INFRINGEMENT, + * MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. Each Recipient is + * solely responsible for determining the appropriateness of using and + * distributing the Program and assumes all risks associated with its + * exercise of rights under this Agreement, including but not limited to + * the risks and costs of program errors, damage to or loss of data, + * programs or equipment, and unavailability or interruption of operations. + + * DISCLAIMER OF LIABILITY + * NEITHER RECIPIENT NOR ANY CONTRIBUTORS SHALL HAVE ANY LIABILITY FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING WITHOUT LIMITATION LOST PROFITS), HOWEVER CAUSED AND + * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR + * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE + * USE OR DISTRIBUTION OF THE PROGRAM OR THE EXERCISE OF ANY RIGHTS GRANTED + * HEREUNDER, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGES + + * You should have received a copy of the GNU General Public License + * along with this program. + */ +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/errno.h> +#include <linux/types.h> +#include <asm/unaligned.h> + +#include "mpt3sas_base.h" + +/** + * _warpdrive_disable_ddio - Disable direct I/O for all the volumes + * @ioc: per adapter object + */ +static void +_warpdrive_disable_ddio(struct MPT3SAS_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 (!(mpt3sas_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 = mpt3sas_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; +} + + +/** + * mpt3sas_get_num_volumes - Get number of volumes in the ioc + * @ioc: per adapter object + */ +u8 +mpt3sas_get_num_volumes(struct MPT3SAS_ADAPTER *ioc) +{ + Mpi2RaidVolPage1_t vol_pg1; + Mpi2ConfigReply_t mpi_reply; + u16 handle; + u8 vol_cnt = 0; + u16 ioc_status; + + handle = 0xFFFF; + while (!(mpt3sas_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; +} + + +/** + * mpt3sas_init_warpdrive_properties - Set properties for warpdrive direct I/O. + * @ioc: per adapter object + * @raid_device: the raid_device object + */ +void +mpt3sas_init_warpdrive_properties(struct MPT3SAS_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) { + pr_info(MPT3SAS_FMT "WarpDrive : Direct IO is disabled " + "globally as drives are exposed\n", ioc->name); + return; + } + if (mpt3sas_get_num_volumes(ioc) > 1) { + _warpdrive_disable_ddio(ioc); + pr_info(MPT3SAS_FMT "WarpDrive : Direct IO is disabled " + "globally as number of drives > 1\n", ioc->name); + return; + } + if ((mpt3sas_config_get_number_pds(ioc, raid_device->handle, + &num_pds)) || !num_pds) { + pr_info(MPT3SAS_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) { + pr_info(MPT3SAS_FMT "WarpDrive : Direct IO is disabled " + "Memory allocation failure for RVPG0\n", ioc->name); + return; + } + + if ((mpt3sas_config_get_raid_volume_pg0(ioc, &mpi_reply, vol_pg0, + MPI2_RAID_VOLUME_PGAD_FORM_HANDLE, raid_device->handle, sz))) { + pr_info(MPT3SAS_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) { + pr_warn(MPT3SAS_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 (mpt3sas_config_get_phys_disk_pg0(ioc, &mpi_reply, + &pd_pg0, MPI2_PHYSDISK_PGAD_FORM_PHYSDISKNUM, + vol_pg0->PhysDisk[count].PhysDiskNum) || + pd_pg0.DevHandle == MPT3SAS_INVALID_DEVICE_HANDLE) { + pr_info(MPT3SAS_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) { + pr_info(MPT3SAS_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) { + pr_info(MPT3SAS_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) { + pr_info(MPT3SAS_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) { + pr_info(MPT3SAS_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; + + pr_info(MPT3SAS_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; +} + +/** + * mpt3sas_scsi_direct_io_get - returns direct io flag + * @ioc: per adapter object + * @smid: system request message index + * + * Returns the smid stored scmd pointer. + */ +inline u8 +mpt3sas_scsi_direct_io_get(struct MPT3SAS_ADAPTER *ioc, u16 smid) +{ + return ioc->scsi_lookup[smid - 1].direct_io; +} + +/** + * mpt3sas_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. + */ +inline void +mpt3sas_scsi_direct_io_set(struct MPT3SAS_ADAPTER *ioc, u16 smid, u8 direct_io) +{ + ioc->scsi_lookup[smid - 1].direct_io = direct_io; +} + +/** + * mpt3sas_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 + */ +void +mpt3sas_setup_direct_io(struct MPT3SAS_ADAPTER *ioc, struct scsi_cmnd *scmd, + struct _raid_device *raid_device, Mpi2SCSIIORequest_t *mpi_request, + u16 smid) +{ + sector_t v_lba, p_lba, stripe_off, column, io_size; + u32 stripe_sz, stripe_exp; + u8 num_pds, cmd = scmd->cmnd[0]; + + if (cmd != READ_10 && cmd != WRITE_10 && + cmd != READ_16 && cmd != WRITE_16) + return; + + if (cmd == READ_10 || cmd == WRITE_10) + v_lba = get_unaligned_be32(&mpi_request->CDB.CDB32[2]); + else + v_lba = get_unaligned_be64(&mpi_request->CDB.CDB32[2]); + + io_size = scsi_bufflen(scmd) >> raid_device->block_exponent; + + if (v_lba + io_size - 1 > raid_device->max_lba) + return; + + stripe_sz = raid_device->stripe_sz; + stripe_exp = raid_device->stripe_exponent; + stripe_off = v_lba & (stripe_sz - 1); + + /* Return unless IO falls within a stripe */ + if (stripe_off + io_size > stripe_sz) + return; + + num_pds = raid_device->num_pds; + p_lba = v_lba >> stripe_exp; + column = sector_div(p_lba, num_pds); + p_lba = (p_lba << stripe_exp) + stripe_off; + mpi_request->DevHandle = cpu_to_le16(raid_device->pd_handle[column]); + + if (cmd == READ_10 || cmd == WRITE_10) + put_unaligned_be32(lower_32_bits(p_lba), + &mpi_request->CDB.CDB32[2]); + else + put_unaligned_be64(p_lba, &mpi_request->CDB.CDB32[2]); + + mpt3sas_scsi_direct_io_set(ioc, smid, 1); +} |