Linux-libre 4.4-gnupck-4.4-gnu

1 files changed, 509 insertions, 159 deletions

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);