Merge commit 'origin/master' into next

1 files changed, 1100 insertions, 470 deletions

diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 5d496a99e03..0df065275cd 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -146,7 +146,6 @@ static MPT_EVHANDLER		 MptEvHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 static MPT_RESETHANDLER		 MptResetHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 static struct mpt_pci_driver 	*MptDeviceDriverHandlers[MPT_MAX_PROTOCOL_DRIVERS];
 
-static DECLARE_WAIT_QUEUE_HEAD(mpt_waitq);
 
 /*
  *  Driver Callback Index's
@@ -159,7 +158,8 @@ static u8 last_drv_idx;
  *  Forward protos...
  */
 static irqreturn_t mpt_interrupt(int irq, void *bus_id);
-static int	mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply);
+static int	mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req,
+		MPT_FRAME_HDR *reply);
 static int	mpt_handshake_req_reply_wait(MPT_ADAPTER *ioc, int reqBytes,
 			u32 *req, int replyBytes, u16 *u16reply, int maxwait,
 			int sleepFlag);
@@ -190,9 +190,9 @@ static int	mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum);
 static int	mpt_readScsiDevicePageHeaders(MPT_ADAPTER *ioc, int portnum);
 static void 	mpt_read_ioc_pg_1(MPT_ADAPTER *ioc);
 static void 	mpt_read_ioc_pg_4(MPT_ADAPTER *ioc);
-static void	mpt_timer_expired(unsigned long data);
 static void	mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc);
-static int	SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch);
+static int	SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch,
+	int sleepFlag);
 static int	SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp);
 static int	mpt_host_page_access_control(MPT_ADAPTER *ioc, u8 access_control_value, int sleepFlag);
 static int	mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init);
@@ -207,8 +207,8 @@ static int	procmpt_iocinfo_read(char *buf, char **start, off_t offset,
 #endif
 static void	mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
 
-//int		mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
-static int	ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
+static int	ProcessEventNotification(MPT_ADAPTER *ioc,
+		EventNotificationReply_t *evReply, int *evHandlers);
 static void	mpt_iocstatus_info(MPT_ADAPTER *ioc, u32 ioc_status, MPT_FRAME_HDR *mf);
 static void	mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info);
 static void	mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
@@ -277,6 +277,56 @@ mpt_get_cb_idx(MPT_DRIVER_CLASS dclass)
 }
 
 /**
+ * mpt_is_discovery_complete - determine if discovery has completed
+ * @ioc: per adatper instance
+ *
+ * Returns 1 when discovery completed, else zero.
+ */
+static int
+mpt_is_discovery_complete(MPT_ADAPTER *ioc)
+{
+	ConfigExtendedPageHeader_t hdr;
+	CONFIGPARMS cfg;
+	SasIOUnitPage0_t *buffer;
+	dma_addr_t dma_handle;
+	int rc = 0;
+
+	memset(&hdr, 0, sizeof(ConfigExtendedPageHeader_t));
+	memset(&cfg, 0, sizeof(CONFIGPARMS));
+	hdr.PageVersion = MPI_SASIOUNITPAGE0_PAGEVERSION;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
+	hdr.ExtPageType = MPI_CONFIG_EXTPAGETYPE_SAS_IO_UNIT;
+	cfg.cfghdr.ehdr = &hdr;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+	if ((mpt_config(ioc, &cfg)))
+		goto out;
+	if (!hdr.ExtPageLength)
+		goto out;
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+	    &dma_handle);
+	if (!buffer)
+		goto out;
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+
+	if ((mpt_config(ioc, &cfg)))
+		goto out_free_consistent;
+
+	if (!(buffer->PhyData[0].PortFlags &
+	    MPI_SAS_IOUNIT0_PORT_FLAGS_DISCOVERY_IN_PROGRESS))
+		rc = 1;
+
+ out_free_consistent:
+	pci_free_consistent(ioc->pcidev, hdr.ExtPageLength * 4,
+	    buffer, dma_handle);
+ out:
+	return rc;
+}
+
+/**
  *	mpt_fault_reset_work - work performed on workq after ioc fault
  *	@work: input argument, used to derive ioc
  *
@@ -290,7 +340,7 @@ mpt_fault_reset_work(struct work_struct *work)
 	int		 rc;
 	unsigned long	 flags;
 
-	if (ioc->diagPending || !ioc->active)
+	if (ioc->ioc_reset_in_progress || !ioc->active)
 		goto out;
 
 	ioc_raw_state = mpt_GetIocState(ioc, 0);
@@ -307,6 +357,12 @@ mpt_fault_reset_work(struct work_struct *work)
 			printk(MYIOC_s_WARN_FMT "IOC is in FAULT state after "
 			    "reset (%04xh)\n", ioc->name, ioc_raw_state &
 			    MPI_DOORBELL_DATA_MASK);
+	} else if (ioc->bus_type == SAS && ioc->sas_discovery_quiesce_io) {
+		if ((mpt_is_discovery_complete(ioc))) {
+			devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "clearing "
+			    "discovery_quiesce_io flag\n", ioc->name));
+			ioc->sas_discovery_quiesce_io = 0;
+		}
 	}
 
  out:
@@ -317,11 +373,11 @@ mpt_fault_reset_work(struct work_struct *work)
 		ioc = ioc->alt_ioc;
 
 	/* rearm the timer */
-	spin_lock_irqsave(&ioc->fault_reset_work_lock, flags);
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
 	if (ioc->reset_work_q)
 		queue_delayed_work(ioc->reset_work_q, &ioc->fault_reset_work,
 			msecs_to_jiffies(MPT_POLLING_INTERVAL));
-	spin_unlock_irqrestore(&ioc->fault_reset_work_lock, flags);
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 }
 
 
@@ -501,9 +557,9 @@ mpt_interrupt(int irq, void *bus_id)
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
- *	mpt_base_reply - MPT base driver's callback routine
+ *	mptbase_reply - MPT base driver's callback routine
  *	@ioc: Pointer to MPT_ADAPTER structure
- *	@mf: Pointer to original MPT request frame
+ *	@req: Pointer to original MPT request frame
  *	@reply: Pointer to MPT reply frame (NULL if TurboReply)
  *
  *	MPT base driver's callback routine; all base driver
@@ -514,122 +570,49 @@ mpt_interrupt(int irq, void *bus_id)
  *	should be freed, or 0 if it shouldn't.
  */
 static int
-mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
+mptbase_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *req, MPT_FRAME_HDR *reply)
 {
+	EventNotificationReply_t *pEventReply;
+	u8 event;
+	int evHandlers;
 	int freereq = 1;
-	u8 func;
 
-	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply() called\n", ioc->name));
-#ifdef CONFIG_FUSION_LOGGING
-	if ((ioc->debug_level & MPT_DEBUG_MSG_FRAME) &&
-			!(reply->u.hdr.MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)) {
-		dmfprintk(ioc, printk(MYIOC_s_INFO_FMT ": Original request frame (@%p) header\n",
-		    ioc->name, mf));
-		DBG_DUMP_REQUEST_FRAME_HDR(ioc, (u32 *)mf);
-	}
-#endif
-
-	func = reply->u.hdr.Function;
-	dmfprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, Function=%02Xh\n",
-			ioc->name, func));
-
-	if (func == MPI_FUNCTION_EVENT_NOTIFICATION) {
-		EventNotificationReply_t *pEvReply = (EventNotificationReply_t *) reply;
-		int evHandlers = 0;
-		int results;
-
-		results = ProcessEventNotification(ioc, pEvReply, &evHandlers);
-		if (results != evHandlers) {
-			/* CHECKME! Any special handling needed here? */
-			devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Called %d event handlers, sum results = %d\n",
-					ioc->name, evHandlers, results));
-		}
-
-		/*
-		 *	Hmmm...  It seems that EventNotificationReply is an exception
-		 *	to the rule of one reply per request.
-		 */
-		if (pEvReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY) {
+	switch (reply->u.hdr.Function) {
+	case MPI_FUNCTION_EVENT_NOTIFICATION:
+		pEventReply = (EventNotificationReply_t *)reply;
+		evHandlers = 0;
+		ProcessEventNotification(ioc, pEventReply, &evHandlers);
+		event = le32_to_cpu(pEventReply->Event) & 0xFF;
+		if (pEventReply->MsgFlags & MPI_MSGFLAGS_CONTINUATION_REPLY)
 			freereq = 0;
-		} else {
-			devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "EVENT_NOTIFICATION reply %p returns Request frame\n",
-				ioc->name, pEvReply));
-		}
-
-#ifdef CONFIG_PROC_FS
-//		LogEvent(ioc, pEvReply);
-#endif
-
-	} else if (func == MPI_FUNCTION_EVENT_ACK) {
-		dprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_base_reply, EventAck reply received\n",
-				ioc->name));
-	} else if (func == MPI_FUNCTION_CONFIG) {
-		CONFIGPARMS *pCfg;
-		unsigned long flags;
-
-		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "config_complete (mf=%p,mr=%p)\n",
-				ioc->name, mf, reply));
-
-		pCfg = * ((CONFIGPARMS **)((u8 *) mf + ioc->req_sz - sizeof(void *)));
-
-		if (pCfg) {
-			/* disable timer and remove from linked list */
-			del_timer(&pCfg->timer);
-
-			spin_lock_irqsave(&ioc->FreeQlock, flags);
-			list_del(&pCfg->linkage);
-			spin_unlock_irqrestore(&ioc->FreeQlock, flags);
-
-			/*
-			 *	If IOC Status is SUCCESS, save the header
-			 *	and set the status code to GOOD.
-			 */
-			pCfg->status = MPT_CONFIG_ERROR;
-			if (reply) {
-				ConfigReply_t	*pReply = (ConfigReply_t *)reply;
-				u16		 status;
-
-				status = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
-				dcprintk(ioc, printk(MYIOC_s_NOTE_FMT "  IOCStatus=%04xh, IOCLogInfo=%08xh\n",
-				     ioc->name, status, le32_to_cpu(pReply->IOCLogInfo)));
-
-				pCfg->status = status;
-				if (status == MPI_IOCSTATUS_SUCCESS) {
-					if ((pReply->Header.PageType &
-					    MPI_CONFIG_PAGETYPE_MASK) ==
-					    MPI_CONFIG_PAGETYPE_EXTENDED) {
-						pCfg->cfghdr.ehdr->ExtPageLength =
-						    le16_to_cpu(pReply->ExtPageLength);
-						pCfg->cfghdr.ehdr->ExtPageType =
-						    pReply->ExtPageType;
-					}
-					pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
-
-					/* If this is a regular header, save PageLength. */
-					/* LMP Do this better so not using a reserved field! */
-					pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
-					pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
-					pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
-				}
-			}
-
-			/*
-			 *	Wake up the original calling thread
-			 */
-			pCfg->wait_done = 1;
-			wake_up(&mpt_waitq);
+		if (event != MPI_EVENT_EVENT_CHANGE)
+			break;
+	case MPI_FUNCTION_CONFIG:
+	case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
+		ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_COMMAND_GOOD;
+		if (reply) {
+			ioc->mptbase_cmds.status |= MPT_MGMT_STATUS_RF_VALID;
+			memcpy(ioc->mptbase_cmds.reply, reply,
+			    min(MPT_DEFAULT_FRAME_SIZE,
+				4 * reply->u.reply.MsgLength));
 		}
-	} else if (func == MPI_FUNCTION_SAS_IO_UNIT_CONTROL) {
-		/* we should be always getting a reply frame */
-		memcpy(ioc->persist_reply_frame, reply,
-		    min(MPT_DEFAULT_FRAME_SIZE,
-		    4*reply->u.reply.MsgLength));
-		del_timer(&ioc->persist_timer);
-		ioc->persist_wait_done = 1;
-		wake_up(&mpt_waitq);
-	} else {
-		printk(MYIOC_s_ERR_FMT "Unexpected msg function (=%02Xh) reply received!\n",
-				ioc->name, func);
+		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
+			ioc->mptbase_cmds.status &= ~MPT_MGMT_STATUS_PENDING;
+			complete(&ioc->mptbase_cmds.done);
+		} else
+			freereq = 0;
+		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_FREE_MF)
+			freereq = 1;
+		break;
+	case MPI_FUNCTION_EVENT_ACK:
+		devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "EventAck reply received\n", ioc->name));
+		break;
+	default:
+		printk(MYIOC_s_ERR_FMT
+		    "Unexpected msg function (=%02Xh) reply received!\n",
+		    ioc->name, reply->u.hdr.Function);
+		break;
 	}
 
 	/*
@@ -988,17 +971,21 @@ mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
 
 	/*  Put Request back on FreeQ!  */
 	spin_lock_irqsave(&ioc->FreeQlock, flags);
-	mf->u.frame.linkage.arg1 = 0xdeadbeaf; /* signature to know if this mf is freed */
+	if (cpu_to_le32(mf->u.frame.linkage.arg1) == 0xdeadbeaf)
+		goto out;
+	/* signature to know if this mf is freed */
+	mf->u.frame.linkage.arg1 = cpu_to_le32(0xdeadbeaf);
 	list_add_tail(&mf->u.frame.linkage.list, &ioc->FreeQ);
 #ifdef MFCNT
 	ioc->mfcnt--;
 #endif
+ out:
 	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
- *	mpt_add_sge - Place a simple SGE at address pAddr.
+ *	mpt_add_sge - Place a simple 32 bit SGE at address pAddr.
  *	@pAddr: virtual address for SGE
  *	@flagslength: SGE flags and data transfer length
  *	@dma_addr: Physical address
@@ -1006,23 +993,116 @@ mpt_free_msg_frame(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf)
  *	This routine places a MPT request frame back on the MPT adapter's
  *	FreeQ.
  */
-void
-mpt_add_sge(char *pAddr, u32 flagslength, dma_addr_t dma_addr)
+static void
+mpt_add_sge(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
 {
-	if (sizeof(dma_addr_t) == sizeof(u64)) {
-		SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
+	SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
+	pSge->FlagsLength = cpu_to_le32(flagslength);
+	pSge->Address = cpu_to_le32(dma_addr);
+}
+
+/**
+ *	mpt_add_sge_64bit - Place a simple 64 bit SGE at address pAddr.
+ *	@pAddr: virtual address for SGE
+ *	@flagslength: SGE flags and data transfer length
+ *	@dma_addr: Physical address
+ *
+ *	This routine places a MPT request frame back on the MPT adapter's
+ *	FreeQ.
+ **/
+static void
+mpt_add_sge_64bit(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
+{
+	SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
+	pSge->Address.Low = cpu_to_le32
+			(lower_32_bits((unsigned long)(dma_addr)));
+	pSge->Address.High = cpu_to_le32
+			(upper_32_bits((unsigned long)dma_addr));
+	pSge->FlagsLength = cpu_to_le32
+			((flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
+}
+
+/**
+ *	mpt_add_sge_64bit_1078 - Place a simple 64 bit SGE at address pAddr (1078 workaround).
+ *	@pAddr: virtual address for SGE
+ *	@flagslength: SGE flags and data transfer length
+ *	@dma_addr: Physical address
+ *
+ *	This routine places a MPT request frame back on the MPT adapter's
+ *	FreeQ.
+ **/
+static void
+mpt_add_sge_64bit_1078(void *pAddr, u32 flagslength, dma_addr_t dma_addr)
+{
+	SGESimple64_t *pSge = (SGESimple64_t *) pAddr;
+	u32 tmp;
+
+	pSge->Address.Low = cpu_to_le32
+			(lower_32_bits((unsigned long)(dma_addr)));
+	tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
+
+	/*
+	 * 1078 errata workaround for the 36GB limitation
+	 */
+	if ((((u64)dma_addr + MPI_SGE_LENGTH(flagslength)) >> 32)  == 9) {
+		flagslength |=
+		    MPI_SGE_SET_FLAGS(MPI_SGE_FLAGS_LOCAL_ADDRESS);
+		tmp |= (1<<31);
+		if (mpt_debug_level & MPT_DEBUG_36GB_MEM)
+			printk(KERN_DEBUG "1078 P0M2 addressing for "
+			    "addr = 0x%llx len = %d\n",
+			    (unsigned long long)dma_addr,
+			    MPI_SGE_LENGTH(flagslength));
+	}
+
+	pSge->Address.High = cpu_to_le32(tmp);
+	pSge->FlagsLength = cpu_to_le32(
+		(flagslength | MPT_SGE_FLAGS_64_BIT_ADDRESSING));
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *	mpt_add_chain - Place a 32 bit chain SGE at address pAddr.
+ *	@pAddr: virtual address for SGE
+ *	@next: nextChainOffset value (u32's)
+ *	@length: length of next SGL segment
+ *	@dma_addr: Physical address
+ *
+ */
+static void
+mpt_add_chain(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
+{
+		SGEChain32_t *pChain = (SGEChain32_t *) pAddr;
+		pChain->Length = cpu_to_le16(length);
+		pChain->Flags = MPI_SGE_FLAGS_CHAIN_ELEMENT;
+		pChain->NextChainOffset = next;
+		pChain->Address = cpu_to_le32(dma_addr);
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/**
+ *	mpt_add_chain_64bit - Place a 64 bit chain SGE at address pAddr.
+ *	@pAddr: virtual address for SGE
+ *	@next: nextChainOffset value (u32's)
+ *	@length: length of next SGL segment
+ *	@dma_addr: Physical address
+ *
+ */
+static void
+mpt_add_chain_64bit(void *pAddr, u8 next, u16 length, dma_addr_t dma_addr)
+{
+		SGEChain64_t *pChain = (SGEChain64_t *) pAddr;
 		u32 tmp = dma_addr & 0xFFFFFFFF;
 
-		pSge->FlagsLength = cpu_to_le32(flagslength);
-		pSge->Address.Low = cpu_to_le32(tmp);
-		tmp = (u32) ((u64)dma_addr >> 32);
-		pSge->Address.High = cpu_to_le32(tmp);
+		pChain->Length = cpu_to_le16(length);
+		pChain->Flags = (MPI_SGE_FLAGS_CHAIN_ELEMENT |
+				 MPI_SGE_FLAGS_64_BIT_ADDRESSING);
 
-	} else {
-		SGESimple32_t *pSge = (SGESimple32_t *) pAddr;
-		pSge->FlagsLength = cpu_to_le32(flagslength);
-		pSge->Address = cpu_to_le32(dma_addr);
-	}
+		pChain->NextChainOffset = next;
+
+		pChain->Address.Low = cpu_to_le32(tmp);
+		tmp = (u32)(upper_32_bits((unsigned long)dma_addr));
+		pChain->Address.High = cpu_to_le32(tmp);
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -1225,7 +1305,7 @@ mpt_host_page_alloc(MPT_ADAPTER *ioc, pIOCInit_t ioc_init)
 	}
 	flags_length = flags_length << MPI_SGE_FLAGS_SHIFT;
 	flags_length |= ioc->HostPageBuffer_sz;
-	mpt_add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
+	ioc->add_sge(psge, flags_length, ioc->HostPageBuffer_dma);
 	ioc->facts.HostPageBufferSGE = ioc_init->HostPageBufferSGE;
 
 return 0;
@@ -1534,21 +1614,42 @@ mpt_mapresources(MPT_ADAPTER *ioc)
 
 	pci_read_config_byte(pdev, PCI_CLASS_REVISION, &revision);
 
-	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
-	    && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64))) {
-		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
-		    ": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
-		    ioc->name));
-	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
-	    && !pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32))) {
-		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
-		    ": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
-		    ioc->name));
+	if (sizeof(dma_addr_t) > 4) {
+		const uint64_t required_mask = dma_get_required_mask
+		    (&pdev->dev);
+		if (required_mask > DMA_BIT_MASK(32)
+			&& !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))
+			&& !pci_set_consistent_dma_mask(pdev,
+						 DMA_BIT_MASK(64))) {
+			ioc->dma_mask = DMA_BIT_MASK(64);
+			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+				": 64 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
+				ioc->name));
+		} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
+			&& !pci_set_consistent_dma_mask(pdev,
+						DMA_BIT_MASK(32))) {
+			ioc->dma_mask = DMA_BIT_MASK(32);
+			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+				": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
+				ioc->name));
+		} else {
+			printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
+			    ioc->name, pci_name(pdev));
+			return r;
+		}
 	} else {
-		printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
-		    ioc->name, pci_name(pdev));
-		pci_release_selected_regions(pdev, ioc->bars);
-		return r;
+		if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))
+			&& !pci_set_consistent_dma_mask(pdev,
+						DMA_BIT_MASK(32))) {
+			ioc->dma_mask = DMA_BIT_MASK(32);
+			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+				": 32 BIT PCI BUS DMA ADDRESSING SUPPORTED\n",
+				ioc->name));
+		} else {
+			printk(MYIOC_s_WARN_FMT "no suitable DMA mask for %s\n",
+			    ioc->name, pci_name(pdev));
+			return r;
+		}
 	}
 
 	mem_phys = msize = 0;
@@ -1632,6 +1733,7 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ioc->id = mpt_ids++;
 	sprintf(ioc->name, "ioc%d", ioc->id);
+	dinitprintk(ioc, printk(KERN_WARNING MYNAM ": mpt_adapter_install\n"));
 
 	/*
 	 * set initial debug level
@@ -1650,14 +1752,36 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 		return r;
 	}
 
+	/*
+	 * Setting up proper handlers for scatter gather handling
+	 */
+	if (ioc->dma_mask == DMA_BIT_MASK(64)) {
+		if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
+			ioc->add_sge = &mpt_add_sge_64bit_1078;
+		else
+			ioc->add_sge = &mpt_add_sge_64bit;
+		ioc->add_chain = &mpt_add_chain_64bit;
+		ioc->sg_addr_size = 8;
+	} else {
+		ioc->add_sge = &mpt_add_sge;
+		ioc->add_chain = &mpt_add_chain;
+		ioc->sg_addr_size = 4;
+	}
+	ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
+
 	ioc->alloc_total = sizeof(MPT_ADAPTER);
 	ioc->req_sz = MPT_DEFAULT_FRAME_SIZE;		/* avoid div by zero! */
 	ioc->reply_sz = MPT_REPLY_FRAME_SIZE;
 
 	ioc->pcidev = pdev;
-	ioc->diagPending = 0;
-	spin_lock_init(&ioc->diagLock);
-	spin_lock_init(&ioc->initializing_hba_lock);
+
+	spin_lock_init(&ioc->taskmgmt_lock);
+	mutex_init(&ioc->internal_cmds.mutex);
+	init_completion(&ioc->internal_cmds.done);
+	mutex_init(&ioc->mptbase_cmds.mutex);
+	init_completion(&ioc->mptbase_cmds.done);
+	mutex_init(&ioc->taskmgmt_cmds.mutex);
+	init_completion(&ioc->taskmgmt_cmds.done);
 
 	/* Initialize the event logging.
 	 */
@@ -1670,16 +1794,13 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 	ioc->mfcnt = 0;
 #endif
 
+	ioc->sh = NULL;
 	ioc->cached_fw = NULL;
 
 	/* Initilize SCSI Config Data structure
 	 */
 	memset(&ioc->spi_data, 0, sizeof(SpiCfgData));
 
-	/* Initialize the running configQ head.
-	 */
-	INIT_LIST_HEAD(&ioc->configQ);
-
 	/* Initialize the fc rport list head.
 	 */
 	INIT_LIST_HEAD(&ioc->fc_rports);
@@ -1690,9 +1811,8 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	/* Initialize workqueue */
 	INIT_DELAYED_WORK(&ioc->fault_reset_work, mpt_fault_reset_work);
-	spin_lock_init(&ioc->fault_reset_work_lock);
 
-	snprintf(ioc->reset_work_q_name, sizeof(ioc->reset_work_q_name),
+	snprintf(ioc->reset_work_q_name, MPT_KOBJ_NAME_LEN,
 		 "mpt_poll_%d", ioc->id);
 	ioc->reset_work_q =
 		create_singlethread_workqueue(ioc->reset_work_q_name);
@@ -1767,11 +1887,14 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 	case MPI_MANUFACTPAGE_DEVID_SAS1064:
 	case MPI_MANUFACTPAGE_DEVID_SAS1068:
 		ioc->errata_flag_1064 = 1;
+		ioc->bus_type = SAS;
+		break;
 
 	case MPI_MANUFACTPAGE_DEVID_SAS1064E:
 	case MPI_MANUFACTPAGE_DEVID_SAS1068E:
 	case MPI_MANUFACTPAGE_DEVID_SAS1078:
 		ioc->bus_type = SAS;
+		break;
 	}
 
 
@@ -1813,6 +1936,11 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 	 */
 	mpt_detect_bound_ports(ioc, pdev);
 
+	INIT_LIST_HEAD(&ioc->fw_event_list);
+	spin_lock_init(&ioc->fw_event_lock);
+	snprintf(ioc->fw_event_q_name, MPT_KOBJ_NAME_LEN, "mpt/%d", ioc->id);
+	ioc->fw_event_q = create_singlethread_workqueue(ioc->fw_event_q_name);
+
 	if ((r = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_BRINGUP,
 	    CAN_SLEEP)) != 0){
 		printk(MYIOC_s_ERR_FMT "didn't initialize properly! (%d)\n",
@@ -1885,13 +2013,18 @@ mpt_detach(struct pci_dev *pdev)
 	/*
 	 * Stop polling ioc for fault condition
 	 */
-	spin_lock_irqsave(&ioc->fault_reset_work_lock, flags);
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
 	wq = ioc->reset_work_q;
 	ioc->reset_work_q = NULL;
-	spin_unlock_irqrestore(&ioc->fault_reset_work_lock, flags);
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 	cancel_delayed_work(&ioc->fault_reset_work);
 	destroy_workqueue(wq);
 
+	spin_lock_irqsave(&ioc->fw_event_lock, flags);
+	wq = ioc->fw_event_q;
+	ioc->fw_event_q = NULL;
+	spin_unlock_irqrestore(&ioc->fw_event_lock, flags);
+	destroy_workqueue(wq);
 
 	sprintf(pname, MPT_PROCFS_MPTBASEDIR "/%s/summary", ioc->name);
 	remove_proc_entry(pname, NULL);
@@ -1994,6 +2127,21 @@ mpt_resume(struct pci_dev *pdev)
 	if (err)
 		return err;
 
+	if (ioc->dma_mask == DMA_BIT_MASK(64)) {
+		if (pdev->device == MPI_MANUFACTPAGE_DEVID_SAS1078)
+			ioc->add_sge = &mpt_add_sge_64bit_1078;
+		else
+			ioc->add_sge = &mpt_add_sge_64bit;
+		ioc->add_chain = &mpt_add_chain_64bit;
+		ioc->sg_addr_size = 8;
+	} else {
+
+		ioc->add_sge = &mpt_add_sge;
+		ioc->add_chain = &mpt_add_chain;
+		ioc->sg_addr_size = 4;
+	}
+	ioc->SGE_size = sizeof(u32) + ioc->sg_addr_size;
+
 	printk(MYIOC_s_INFO_FMT "pci-resume: ioc-state=0x%x,doorbell=0x%x\n",
 	    ioc->name, (mpt_GetIocState(ioc, 1) >> MPI_IOC_STATE_SHIFT),
 	    CHIPREG_READ32(&ioc->chip->Doorbell));
@@ -2091,12 +2239,16 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 	ioc->active = 0;
 
 	if (ioc->alt_ioc) {
-		if (ioc->alt_ioc->active)
+		if (ioc->alt_ioc->active ||
+		    reason == MPT_HOSTEVENT_IOC_RECOVER) {
 			reset_alt_ioc_active = 1;
-
-		/* Disable alt-IOC's reply interrupts (and FreeQ) for a bit ... */
-		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, 0xFFFFFFFF);
-		ioc->alt_ioc->active = 0;
+			/* Disable alt-IOC's reply interrupts
+			 *  (and FreeQ) for a bit
+			 **/
+			CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
+				0xFFFFFFFF);
+			ioc->alt_ioc->active = 0;
+		}
 	}
 
 	hard = 1;
@@ -2117,9 +2269,11 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 			}
 
 		} else {
-			printk(MYIOC_s_WARN_FMT "NOT READY!\n", ioc->name);
+			printk(MYIOC_s_WARN_FMT
+			    "NOT READY WARNING!\n", ioc->name);
 		}
-		return -1;
+		ret = -1;
+		goto out;
 	}
 
 	/* hard_reset_done = 0 if a soft reset was performed
@@ -2129,7 +2283,9 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		if ((rc = MakeIocReady(ioc->alt_ioc, 0, sleepFlag)) == 0)
 			alt_ioc_ready = 1;
 		else
-			printk(MYIOC_s_WARN_FMT "alt_ioc not ready!\n", ioc->alt_ioc->name);
+			printk(MYIOC_s_WARN_FMT
+			    ": alt-ioc Not ready WARNING!\n",
+			    ioc->alt_ioc->name);
 	}
 
 	for (ii=0; ii<5; ii++) {
@@ -2150,7 +2306,8 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 	if (alt_ioc_ready) {
 		if ((rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason)) != 0) {
 			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-			    "Initial Alt IocFacts failed rc=%x\n", ioc->name, rc));
+			    "Initial Alt IocFacts failed rc=%x\n",
+			    ioc->name, rc));
 			/* Retry - alt IOC was initialized once
 			 */
 			rc = GetIocFacts(ioc->alt_ioc, sleepFlag, reason);
@@ -2194,16 +2351,20 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 			    IRQF_SHARED, ioc->name, ioc);
 			if (rc < 0) {
 				printk(MYIOC_s_ERR_FMT "Unable to allocate "
-				    "interrupt %d!\n", ioc->name, ioc->pcidev->irq);
+				    "interrupt %d!\n",
+				    ioc->name, ioc->pcidev->irq);
 				if (ioc->msi_enable)
 					pci_disable_msi(ioc->pcidev);
-				return -EBUSY;
+				ret = -EBUSY;
+				goto out;
 			}
 			irq_allocated = 1;
 			ioc->pci_irq = ioc->pcidev->irq;
 			pci_set_master(ioc->pcidev);		/* ?? */
-			dprintk(ioc, printk(MYIOC_s_INFO_FMT "installed at interrupt "
-			    "%d\n", ioc->name, ioc->pcidev->irq));
+			pci_set_drvdata(ioc->pcidev, ioc);
+			dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+			    "installed at interrupt %d\n", ioc->name,
+			    ioc->pcidev->irq));
 		}
 	}
 
@@ -2212,17 +2373,22 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 	 * init as upper addresses are needed for init.
 	 * If fails, continue with alt-ioc processing
 	 */
+	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "PrimeIocFifos\n",
+	    ioc->name));
 	if ((ret == 0) && ((rc = PrimeIocFifos(ioc)) != 0))
 		ret = -3;
 
 	/* May need to check/upload firmware & data here!
 	 * If fails, continue with alt-ioc processing
 	 */
+	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "SendIocInit\n",
+	    ioc->name));
 	if ((ret == 0) && ((rc = SendIocInit(ioc, sleepFlag)) != 0))
 		ret = -4;
 // NEW!
 	if (alt_ioc_ready && ((rc = PrimeIocFifos(ioc->alt_ioc)) != 0)) {
-		printk(MYIOC_s_WARN_FMT ": alt_ioc (%d) FIFO mgmt alloc!\n",
+		printk(MYIOC_s_WARN_FMT
+		    ": alt-ioc (%d) FIFO mgmt alloc WARNING!\n",
 		    ioc->alt_ioc->name, rc);
 		alt_ioc_ready = 0;
 		reset_alt_ioc_active = 0;
@@ -2232,8 +2398,9 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		if ((rc = SendIocInit(ioc->alt_ioc, sleepFlag)) != 0) {
 			alt_ioc_ready = 0;
 			reset_alt_ioc_active = 0;
-			printk(MYIOC_s_WARN_FMT "alt_ioc (%d) init failure!\n",
-			    ioc->alt_ioc->name, rc);
+			printk(MYIOC_s_WARN_FMT
+				": alt-ioc: (%d) init failure WARNING!\n",
+					ioc->alt_ioc->name, rc);
 		}
 	}
 
@@ -2269,28 +2436,36 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		}
 	}
 
+	/*  Enable MPT base driver management of EventNotification
+	 *  and EventAck handling.
+	 */
+	if ((ret == 0) && (!ioc->facts.EventState)) {
+		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+			"SendEventNotification\n",
+		    ioc->name));
+		ret = SendEventNotification(ioc, 1, sleepFlag);	/* 1=Enable */
+	}
+
+	if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
+		rc = SendEventNotification(ioc->alt_ioc, 1, sleepFlag);
+
 	if (ret == 0) {
 		/* Enable! (reply interrupt) */
 		CHIPREG_WRITE32(&ioc->chip->IntMask, MPI_HIM_DIM);
 		ioc->active = 1;
 	}
-
-	if (reset_alt_ioc_active && ioc->alt_ioc) {
-		/* (re)Enable alt-IOC! (reply interrupt) */
-		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT "alt_ioc reply irq re-enabled\n",
-		    ioc->alt_ioc->name));
-		CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask, MPI_HIM_DIM);
-		ioc->alt_ioc->active = 1;
+	if (rc == 0) {	/* alt ioc */
+		if (reset_alt_ioc_active && ioc->alt_ioc) {
+			/* (re)Enable alt-IOC! (reply interrupt) */
+			dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "alt-ioc"
+				"reply irq re-enabled\n",
+				ioc->alt_ioc->name));
+			CHIPREG_WRITE32(&ioc->alt_ioc->chip->IntMask,
+				MPI_HIM_DIM);
+			ioc->alt_ioc->active = 1;
+		}
 	}
 
-	/*  Enable MPT base driver management of EventNotification
-	 *  and EventAck handling.
-	 */
-	if ((ret == 0) && (!ioc->facts.EventState))
-		(void) SendEventNotification(ioc, 1);	/* 1=Enable EventNotification */
-
-	if (ioc->alt_ioc && alt_ioc_ready && !ioc->alt_ioc->facts.EventState)
-		(void) SendEventNotification(ioc->alt_ioc, 1);	/* 1=Enable EventNotification */
 
 	/*	Add additional "reason" check before call to GetLanConfigPages
 	 *	(combined with GetIoUnitPage2 call).  This prevents a somewhat
@@ -2306,8 +2481,9 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 		mutex_init(&ioc->raid_data.inactive_list_mutex);
 		INIT_LIST_HEAD(&ioc->raid_data.inactive_list);
 
-		if (ioc->bus_type == SAS) {
+		switch (ioc->bus_type) {
 
+		case SAS:
 			/* clear persistency table */
 			if(ioc->facts.IOCExceptions &
 			    MPI_IOCFACTS_EXCEPT_PERSISTENT_TABLE_FULL) {
@@ -2321,8 +2497,15 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 			 */
 			mpt_findImVolumes(ioc);
 
-		} else if (ioc->bus_type == FC) {
-			if ((ioc->pfacts[0].ProtocolFlags & MPI_PORTFACTS_PROTOCOL_LAN) &&
+			/* Check, and possibly reset, the coalescing value
+			 */
+			mpt_read_ioc_pg_1(ioc);
+
+			break;
+
+		case FC:
+			if ((ioc->pfacts[0].ProtocolFlags &
+				MPI_PORTFACTS_PROTOCOL_LAN) &&
 			    (ioc->lan_cnfg_page0.Header.PageLength == 0)) {
 				/*
 				 *  Pre-fetch the ports LAN MAC address!
@@ -2331,11 +2514,14 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 				(void) GetLanConfigPages(ioc);
 				a = (u8*)&ioc->lan_cnfg_page1.HardwareAddressLow;
 				dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-				    "LanAddr = %02X:%02X:%02X:%02X:%02X:%02X\n",
-				    ioc->name, a[5], a[4], a[3], a[2], a[1], a[0]));
-
+					"LanAddr = %02X:%02X:%02X"
+					":%02X:%02X:%02X\n",
+					ioc->name, a[5], a[4],
+					a[3], a[2], a[1], a[0]));
 			}
-		} else {
+			break;
+
+		case SPI:
 			/* Get NVRAM and adapter maximums from SPP 0 and 2
 			 */
 			mpt_GetScsiPortSettings(ioc, 0);
@@ -2354,6 +2540,8 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
 			mpt_read_ioc_pg_1(ioc);
 
 			mpt_read_ioc_pg_4(ioc);
+
+			break;
 		}
 
 		GetIoUnitPage2(ioc);
@@ -2435,16 +2623,20 @@ mpt_detect_bound_ports(MPT_ADAPTER *ioc, struct pci_dev *pdev)
 		if (_pcidev == peer) {
 			/* Paranoia checks */
 			if (ioc->alt_ioc != NULL) {
-				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
-					ioc->name, ioc->alt_ioc->name);
+				printk(MYIOC_s_WARN_FMT
+				    "Oops, already bound (%s <==> %s)!\n",
+				    ioc->name, ioc->name, ioc->alt_ioc->name);
 				break;
 			} else if (ioc_srch->alt_ioc != NULL) {
-				printk(MYIOC_s_WARN_FMT "Oops, already bound to %s!\n",
-					ioc_srch->name, ioc_srch->alt_ioc->name);
+				printk(MYIOC_s_WARN_FMT
+				    "Oops, already bound (%s <==> %s)!\n",
+				    ioc_srch->name, ioc_srch->name,
+				    ioc_srch->alt_ioc->name);
 				break;
 			}
-			dprintk(ioc, printk(MYIOC_s_INFO_FMT "FOUND! binding to %s\n",
-				ioc->name, ioc_srch->name));
+			dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+				"FOUND! binding %s <==> %s\n",
+				ioc->name, ioc->name, ioc_srch->name));
 			ioc_srch->alt_ioc = ioc;
 			ioc->alt_ioc = ioc_srch;
 		}
@@ -2464,8 +2656,8 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
 	int ret;
 
 	if (ioc->cached_fw != NULL) {
-		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "%s: Pushing FW onto "
-		    "adapter\n", __func__, ioc->name));
+		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+			"%s: Pushing FW onto adapter\n", __func__, ioc->name));
 		if ((ret = mpt_downloadboot(ioc, (MpiFwHeader_t *)
 		    ioc->cached_fw, CAN_SLEEP)) < 0) {
 			printk(MYIOC_s_WARN_FMT
@@ -2474,11 +2666,30 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
 		}
 	}
 
+	/*
+	 * Put the controller into ready state (if its not already)
+	 */
+	if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY) {
+		if (!SendIocReset(ioc, MPI_FUNCTION_IOC_MESSAGE_UNIT_RESET,
+		    CAN_SLEEP)) {
+			if (mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_READY)
+				printk(MYIOC_s_ERR_FMT "%s:  IOC msg unit "
+				    "reset failed to put ioc in ready state!\n",
+				    ioc->name, __func__);
+		} else
+			printk(MYIOC_s_ERR_FMT "%s:  IOC msg unit reset "
+			    "failed!\n", ioc->name, __func__);
+	}
+
+
 	/* Disable adapter interrupts! */
+	synchronize_irq(ioc->pcidev->irq);
 	CHIPREG_WRITE32(&ioc->chip->IntMask, 0xFFFFFFFF);
 	ioc->active = 0;
+
 	/* Clear any lingering interrupt */
 	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
+	CHIPREG_READ32(&ioc->chip->IntStatus);
 
 	if (ioc->alloc != NULL) {
 		sz = ioc->alloc_sz;
@@ -2538,19 +2749,22 @@ mpt_adapter_disable(MPT_ADAPTER *ioc)
 		if((ret = mpt_host_page_access_control(ioc,
 		    MPI_DB_HPBAC_FREE_BUFFER, NO_SLEEP)) != 0) {
 			printk(MYIOC_s_ERR_FMT
-			   "host page buffers free failed (%d)!\n",
-			    ioc->name, ret);
+			   ": %s: host page buffers free failed (%d)!\n",
+			    ioc->name, __func__, ret);
 		}
-		dexitprintk(ioc, printk(MYIOC_s_INFO_FMT "HostPageBuffer free  @ %p, sz=%d bytes\n",
-		 	ioc->name, ioc->HostPageBuffer, ioc->HostPageBuffer_sz));
+		dexitprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+			"HostPageBuffer free  @ %p, sz=%d bytes\n",
+			ioc->name, ioc->HostPageBuffer,
+			ioc->HostPageBuffer_sz));
 		pci_free_consistent(ioc->pcidev, ioc->HostPageBuffer_sz,
 		    ioc->HostPageBuffer, ioc->HostPageBuffer_dma);
 		ioc->HostPageBuffer = NULL;
 		ioc->HostPageBuffer_sz = 0;
 		ioc->alloc_total -= ioc->HostPageBuffer_sz;
 	}
-}
 
+	pci_set_drvdata(ioc->pcidev, NULL);
+}
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *	mpt_adapter_dispose - Free all resources associated with an MPT adapter
@@ -2690,8 +2904,12 @@ MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
 	}
 
 	/* Is it already READY? */
-	if (!statefault && (ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)
+	if (!statefault &&
+	    ((ioc_state & MPI_IOC_STATE_MASK) == MPI_IOC_STATE_READY)) {
+		dinitprintk(ioc, printk(MYIOC_s_INFO_FMT
+		    "IOC is in READY state\n", ioc->name));
 		return 0;
+	}
 
 	/*
 	 *	Check to see if IOC is in FAULT state.
@@ -2764,8 +2982,9 @@ MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
 
 		ii++; cntdn--;
 		if (!cntdn) {
-			printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
-					ioc->name, (int)((ii+5)/HZ));
+			printk(MYIOC_s_ERR_FMT
+				"Wait IOC_READY state (0x%x) timeout(%d)!\n",
+				ioc->name, ioc_state, (int)((ii+5)/HZ));
 			return -ETIME;
 		}
 
@@ -2778,9 +2997,8 @@ MakeIocReady(MPT_ADAPTER *ioc, int force, int sleepFlag)
 	}
 
 	if (statefault < 3) {
-		printk(MYIOC_s_INFO_FMT "Recovered from %s\n",
-				ioc->name,
-				statefault==1 ? "stuck handshake" : "IOC FAULT");
+		printk(MYIOC_s_INFO_FMT "Recovered from %s\n", ioc->name,
+			statefault == 1 ? "stuck handshake" : "IOC FAULT");
 	}
 
 	return hard_reset_done;
@@ -2833,8 +3051,9 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 
 	/* IOC *must* NOT be in RESET state! */
 	if (ioc->last_state == MPI_IOC_STATE_RESET) {
-		printk(MYIOC_s_ERR_FMT "Can't get IOCFacts NOT READY! (%08x)\n",
-		    ioc->name, ioc->last_state );
+		printk(KERN_ERR MYNAM
+		    ": ERROR - Can't get IOCFacts, %s NOT READY! (%08x)\n",
+		    ioc->name, ioc->last_state);
 		return -44;
 	}
 
@@ -2896,7 +3115,7 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 		 *	Old: u16{Major(4),Minor(4),SubMinor(8)}
 		 *	New: u32{Major(8),Minor(8),Unit(8),Dev(8)}
 		 */
-		if (facts->MsgVersion < 0x0102) {
+		if (facts->MsgVersion < MPI_VERSION_01_02) {
 			/*
 			 *	Handle old FC f/w style, convert to new...
 			 */
@@ -2908,9 +3127,11 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 			facts->FWVersion.Word = le32_to_cpu(facts->FWVersion.Word);
 
 		facts->ProductID = le16_to_cpu(facts->ProductID);
+
 		if ((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
 		    > MPI_FW_HEADER_PID_PROD_TARGET_SCSI)
 			ioc->ir_firmware = 1;
+
 		facts->CurrentHostMfaHighAddr =
 				le32_to_cpu(facts->CurrentHostMfaHighAddr);
 		facts->GlobalCredits = le16_to_cpu(facts->GlobalCredits);
@@ -2926,7 +3147,7 @@ GetIocFacts(MPT_ADAPTER *ioc, int sleepFlag, int reason)
 		 * to 14 in MPI-1.01.0x.
 		 */
 		if (facts->MsgLength >= (offsetof(IOCFactsReply_t,FWImageSize) + 7)/4 &&
-		    facts->MsgVersion > 0x0100) {
+		    facts->MsgVersion > MPI_VERSION_01_00) {
 			facts->FWImageSize = le32_to_cpu(facts->FWImageSize);
 		}
 
@@ -3108,6 +3329,7 @@ SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
 
 	ioc_init.MaxDevices = (U8)ioc->devices_per_bus;
 	ioc_init.MaxBuses = (U8)ioc->number_of_buses;
+
 	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "facts.MsgVersion=%x\n",
 		   ioc->name, ioc->facts.MsgVersion));
 	if (ioc->facts.MsgVersion >= MPI_VERSION_01_05) {
@@ -3122,7 +3344,7 @@ SendIocInit(MPT_ADAPTER *ioc, int sleepFlag)
 	}
 	ioc_init.ReplyFrameSize = cpu_to_le16(ioc->reply_sz);	/* in BYTES */
 
-	if (sizeof(dma_addr_t) == sizeof(u64)) {
+	if (ioc->sg_addr_size == sizeof(u64)) {
 		/* Save the upper 32-bits of the request
 		 * (reply) and sense buffers.
 		 */
@@ -3325,11 +3547,10 @@ mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
 	FWUpload_t		*prequest;
 	FWUploadReply_t		*preply;
 	FWUploadTCSGE_t		*ptcsge;
-	int			 sgeoffset;
 	u32			 flagsLength;
 	int			 ii, sz, reply_sz;
 	int			 cmdStatus;
-
+	int			request_size;
 	/* If the image size is 0, we are done.
 	 */
 	if ((sz = ioc->facts.FWImageSize) == 0)
@@ -3364,42 +3585,41 @@ mpt_do_upload(MPT_ADAPTER *ioc, int sleepFlag)
 	ptcsge->ImageSize = cpu_to_le32(sz);
 	ptcsge++;
 
-	sgeoffset = sizeof(FWUpload_t) - sizeof(SGE_MPI_UNION) + sizeof(FWUploadTCSGE_t);
-
 	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | sz;
-	mpt_add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
-
-	sgeoffset += sizeof(u32) + sizeof(dma_addr_t);
-	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": Sending FW Upload (req @ %p) sgeoffset=%d \n",
-	    ioc->name, prequest, sgeoffset));
+	ioc->add_sge((char *)ptcsge, flagsLength, ioc->cached_fw_dma);
+	request_size = offsetof(FWUpload_t, SGL) + sizeof(FWUploadTCSGE_t) +
+	    ioc->SGE_size;
+	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending FW Upload "
+	    " (req @ %p) fw_size=%d mf_request_size=%d\n", ioc->name, prequest,
+	    ioc->facts.FWImageSize, request_size));
 	DBG_DUMP_FW_REQUEST_FRAME(ioc, (u32 *)prequest);
 
-	ii = mpt_handshake_req_reply_wait(ioc, sgeoffset, (u32*)prequest,
-				reply_sz, (u16*)preply, 65 /*seconds*/, sleepFlag);
+	ii = mpt_handshake_req_reply_wait(ioc, request_size, (u32 *)prequest,
+	    reply_sz, (u16 *)preply, 65 /*seconds*/, sleepFlag);
 
-	dinitprintk(ioc, printk(MYIOC_s_INFO_FMT ": FW Upload completed rc=%x \n", ioc->name, ii));
+	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "FW Upload completed "
+	    "rc=%x \n", ioc->name, ii));
 
 	cmdStatus = -EFAULT;
 	if (ii == 0) {
 		/* Handshake transfer was complete and successful.
 		 * Check the Reply Frame.
 		 */
-		int status, transfer_sz;
-		status = le16_to_cpu(preply->IOCStatus);
-		if (status == MPI_IOCSTATUS_SUCCESS) {
-			transfer_sz = le32_to_cpu(preply->ActualImageSize);
-			if (transfer_sz == sz)
+		int status;
+		status = le16_to_cpu(preply->IOCStatus) &
+				MPI_IOCSTATUS_MASK;
+		if (status == MPI_IOCSTATUS_SUCCESS &&
+		    ioc->facts.FWImageSize ==
+		    le32_to_cpu(preply->ActualImageSize))
 				cmdStatus = 0;
-		}
 	}
 	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": do_upload cmdStatus=%d \n",
 			ioc->name, cmdStatus));
 
 
 	if (cmdStatus) {
-
-		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT ": fw upload failed, freeing image \n",
-			ioc->name));
+		ddlprintk(ioc, printk(MYIOC_s_DEBUG_FMT "fw upload failed, "
+		    "freeing image \n", ioc->name));
 		mpt_free_fw_memory(ioc);
 	}
 	kfree(prequest);
@@ -3723,6 +3943,10 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 	CHIPREG_WRITE32(&ioc->chip->IntStatus, 0);
 
 	if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078) {
+
+		if (!ignore)
+			return 0;
+
 		drsprintk(ioc, printk(MYIOC_s_WARN_FMT "%s: Doorbell=%p; 1078 reset "
 			"address=%p\n",  ioc->name, __func__,
 			&ioc->chip->Doorbell, &ioc->chip->Reset_1078));
@@ -3740,6 +3964,7 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 				"looking for READY STATE: doorbell=%x"
 			        " count=%d\n",
 				ioc->name, doorbell, count));
+
 			if (doorbell == MPI_IOC_STATE_READY) {
 				return 1;
 			}
@@ -3890,6 +4115,10 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 				doorbell = CHIPREG_READ32(&ioc->chip->Doorbell);
 				doorbell &= MPI_IOC_STATE_MASK;
 
+				drsprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+				    "looking for READY STATE: doorbell=%x"
+				    " count=%d\n", ioc->name, doorbell, count));
+
 				if (doorbell == MPI_IOC_STATE_READY) {
 					break;
 				}
@@ -3901,6 +4130,11 @@ mpt_diag_reset(MPT_ADAPTER *ioc, int ignore, int sleepFlag)
 					mdelay (1000);
 				}
 			}
+
+			if (doorbell != MPI_IOC_STATE_READY)
+				printk(MYIOC_s_ERR_FMT "Failed to come READY "
+				    "after reset! IocState=%x", ioc->name,
+				    doorbell);
 		}
 	}
 
@@ -4019,8 +4253,9 @@ SendIocReset(MPT_ADAPTER *ioc, u8 reset_type, int sleepFlag)
 			if (sleepFlag != CAN_SLEEP)
 				count *= 10;
 
-			printk(MYIOC_s_ERR_FMT "Wait IOC_READY state timeout(%d)!\n",
-			    ioc->name, (int)((count+5)/HZ));
+			printk(MYIOC_s_ERR_FMT
+			    "Wait IOC_READY state (0x%x) timeout(%d)!\n",
+			    ioc->name, state, (int)((count+5)/HZ));
 			return -ETIME;
 		}
 
@@ -4090,24 +4325,29 @@ initChainBuffers(MPT_ADAPTER *ioc)
 	 * num_sge = num sge in request frame + last chain buffer
 	 * scale = num sge per chain buffer if no chain element
 	 */
-	scale = ioc->req_sz/(sizeof(dma_addr_t) + sizeof(u32));
-	if (sizeof(dma_addr_t) == sizeof(u64))
-		num_sge =  scale + (ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
+	scale = ioc->req_sz / ioc->SGE_size;
+	if (ioc->sg_addr_size == sizeof(u64))
+		num_sge =  scale + (ioc->req_sz - 60) / ioc->SGE_size;
 	else
-		num_sge =  1+ scale + (ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
+		num_sge =  1 + scale + (ioc->req_sz - 64) / ioc->SGE_size;
 
-	if (sizeof(dma_addr_t) == sizeof(u64)) {
+	if (ioc->sg_addr_size == sizeof(u64)) {
 		numSGE = (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
-			(ioc->req_sz - 60) / (sizeof(dma_addr_t) + sizeof(u32));
+			(ioc->req_sz - 60) / ioc->SGE_size;
 	} else {
-		numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) + scale +
-			(ioc->req_sz - 64) / (sizeof(dma_addr_t) + sizeof(u32));
+		numSGE = 1 + (scale - 1) * (ioc->facts.MaxChainDepth-1) +
+		    scale + (ioc->req_sz - 64) / ioc->SGE_size;
 	}
 	dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "num_sge=%d numSGE=%d\n",
 		ioc->name, num_sge, numSGE));
 
-	if ( numSGE > MPT_SCSI_SG_DEPTH	)
-		numSGE = MPT_SCSI_SG_DEPTH;
+	if (ioc->bus_type == FC) {
+		if (numSGE > MPT_SCSI_FC_SG_DEPTH)
+			numSGE = MPT_SCSI_FC_SG_DEPTH;
+	} else {
+		if (numSGE > MPT_SCSI_SG_DEPTH)
+			numSGE = MPT_SCSI_SG_DEPTH;
+	}
 
 	num_chain = 1;
 	while (numSGE - num_sge > 0) {
@@ -4161,12 +4401,42 @@ PrimeIocFifos(MPT_ADAPTER *ioc)
 	dma_addr_t alloc_dma;
 	u8 *mem;
 	int i, reply_sz, sz, total_size, num_chain;
+	u64	dma_mask;
+
+	dma_mask = 0;
 
 	/*  Prime reply FIFO...  */
 
 	if (ioc->reply_frames == NULL) {
 		if ( (num_chain = initChainBuffers(ioc)) < 0)
 			return -1;
+		/*
+		 * 1078 errata workaround for the 36GB limitation
+		 */
+		if (ioc->pcidev->device == MPI_MANUFACTPAGE_DEVID_SAS1078 &&
+		    ioc->dma_mask > DMA_35BIT_MASK) {
+			if (!pci_set_dma_mask(ioc->pcidev, DMA_BIT_MASK(32))
+			    && !pci_set_consistent_dma_mask(ioc->pcidev,
+			    DMA_BIT_MASK(32))) {
+				dma_mask = DMA_35BIT_MASK;
+				d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+				    "setting 35 bit addressing for "
+				    "Request/Reply/Chain and Sense Buffers\n",
+				    ioc->name));
+			} else {
+				/*Reseting DMA mask to 64 bit*/
+				pci_set_dma_mask(ioc->pcidev,
+					DMA_BIT_MASK(64));
+				pci_set_consistent_dma_mask(ioc->pcidev,
+					DMA_BIT_MASK(64));
+
+				printk(MYIOC_s_ERR_FMT
+				    "failed setting 35 bit addressing for "
+				    "Request/Reply/Chain and Sense Buffers\n",
+				    ioc->name);
+				return -1;
+			}
+		}
 
 		total_size = reply_sz = (ioc->reply_sz * ioc->reply_depth);
 		dinitprintk(ioc, printk(MYIOC_s_DEBUG_FMT "ReplyBuffer sz=%d bytes, ReplyDepth=%d\n",
@@ -4305,9 +4575,16 @@ PrimeIocFifos(MPT_ADAPTER *ioc)
 		alloc_dma += ioc->reply_sz;
 	}
 
+	if (dma_mask == DMA_35BIT_MASK && !pci_set_dma_mask(ioc->pcidev,
+	    ioc->dma_mask) && !pci_set_consistent_dma_mask(ioc->pcidev,
+	    ioc->dma_mask))
+		d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "restoring 64 bit addressing\n", ioc->name));
+
 	return 0;
 
 out_fail:
+
 	if (ioc->alloc != NULL) {
 		sz = ioc->alloc_sz;
 		pci_free_consistent(ioc->pcidev,
@@ -4324,6 +4601,13 @@ out_fail:
 				ioc->sense_buf_pool, ioc->sense_buf_pool_dma);
 		ioc->sense_buf_pool = NULL;
 	}
+
+	if (dma_mask == DMA_35BIT_MASK && !pci_set_dma_mask(ioc->pcidev,
+	    DMA_BIT_MASK(64)) && !pci_set_consistent_dma_mask(ioc->pcidev,
+	    DMA_BIT_MASK(64)))
+		d36memprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "restoring 64 bit addressing\n", ioc->name));
+
 	return -1;
 }
 
@@ -4759,7 +5043,14 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
 	SasIoUnitControlReply_t		*sasIoUnitCntrReply;
 	MPT_FRAME_HDR			*mf = NULL;
 	MPIHeader_t			*mpi_hdr;
+	int				ret = 0;
+	unsigned long 	 		timeleft;
+
+	mutex_lock(&ioc->mptbase_cmds.mutex);
 
+	/* init the internal cmd struct */
+	memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
+	INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
 
 	/* insure garbage is not sent to fw */
 	switch(persist_opcode) {
@@ -4769,17 +5060,19 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
 		break;
 
 	default:
-		return -1;
-		break;
+		ret = -1;
+		goto out;
 	}
 
-	printk("%s: persist_opcode=%x\n",__func__, persist_opcode);
+	printk(KERN_DEBUG  "%s: persist_opcode=%x\n",
+		__func__, persist_opcode);
 
 	/* Get a MF for this command.
 	 */
 	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
-		printk("%s: no msg frames!\n",__func__);
-		return -1;
+		printk(KERN_DEBUG "%s: no msg frames!\n", __func__);
+		ret = -1;
+		goto out;
         }
 
 	mpi_hdr = (MPIHeader_t *) mf;
@@ -4789,27 +5082,42 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
 	sasIoUnitCntrReq->MsgContext = mpi_hdr->MsgContext;
 	sasIoUnitCntrReq->Operation = persist_opcode;
 
-	init_timer(&ioc->persist_timer);
-	ioc->persist_timer.data = (unsigned long) ioc;
-	ioc->persist_timer.function = mpt_timer_expired;
-	ioc->persist_timer.expires = jiffies + HZ*10 /* 10 sec */;
-	ioc->persist_wait_done=0;
-	add_timer(&ioc->persist_timer);
 	mpt_put_msg_frame(mpt_base_index, ioc, mf);
-	wait_event(mpt_waitq, ioc->persist_wait_done);
+	timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done, 10*HZ);
+	if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+		ret = -ETIME;
+		printk(KERN_DEBUG "%s: failed\n", __func__);
+		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
+			goto out;
+		if (!timeleft) {
+			printk(KERN_DEBUG "%s: Issuing Reset from %s!!\n",
+			    ioc->name, __func__);
+			mpt_HardResetHandler(ioc, CAN_SLEEP);
+			mpt_free_msg_frame(ioc, mf);
+		}
+		goto out;
+	}
+
+	if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
+		ret = -1;
+		goto out;
+	}
 
 	sasIoUnitCntrReply =
-	    (SasIoUnitControlReply_t *)ioc->persist_reply_frame;
+	    (SasIoUnitControlReply_t *)ioc->mptbase_cmds.reply;
 	if (le16_to_cpu(sasIoUnitCntrReply->IOCStatus) != MPI_IOCSTATUS_SUCCESS) {
-		printk("%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
-		    __func__,
-		    sasIoUnitCntrReply->IOCStatus,
+		printk(KERN_DEBUG "%s: IOCStatus=0x%X IOCLogInfo=0x%X\n",
+		    __func__, sasIoUnitCntrReply->IOCStatus,
 		    sasIoUnitCntrReply->IOCLogInfo);
-		return -1;
-	}
+		printk(KERN_DEBUG "%s: failed\n", __func__);
+		ret = -1;
+	} else
+		printk(KERN_DEBUG "%s: success\n", __func__);
+ out:
 
-	printk("%s: success\n",__func__);
-	return 0;
+	CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
+	mutex_unlock(&ioc->mptbase_cmds.mutex);
+	return ret;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -5394,17 +5702,20 @@ mpt_inactive_raid_volumes(MPT_ADAPTER *ioc, u8 channel, u8 id)
  *	-ENOMEM if pci_alloc failed
  **/
 int
-mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t phys_disk)
+mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num,
+			RaidPhysDiskPage0_t *phys_disk)
 {
-	CONFIGPARMS		 	cfg;
-	ConfigPageHeader_t	 	hdr;
+	CONFIGPARMS			cfg;
+	ConfigPageHeader_t		hdr;
 	dma_addr_t			dma_handle;
 	pRaidPhysDiskPage0_t		buffer = NULL;
 	int				rc;
 
 	memset(&cfg, 0 , sizeof(CONFIGPARMS));
 	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
+	memset(phys_disk, 0, sizeof(RaidPhysDiskPage0_t));
 
+	hdr.PageVersion = MPI_RAIDPHYSDISKPAGE0_PAGEVERSION;
 	hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
 	cfg.cfghdr.hdr = &hdr;
 	cfg.physAddr = -1;
@@ -5451,6 +5762,161 @@ mpt_raid_phys_disk_pg0(MPT_ADAPTER *ioc, u8 phys_disk_num, pRaidPhysDiskPage0_t
 }
 
 /**
+ *	mpt_raid_phys_disk_get_num_paths - returns number paths associated to this phys_num
+ *	@ioc: Pointer to a Adapter Structure
+ *	@phys_disk_num: io unit unique phys disk num generated by the ioc
+ *
+ *	Return:
+ *	returns number paths
+ **/
+int
+mpt_raid_phys_disk_get_num_paths(MPT_ADAPTER *ioc, u8 phys_disk_num)
+{
+	CONFIGPARMS		 	cfg;
+	ConfigPageHeader_t	 	hdr;
+	dma_addr_t			dma_handle;
+	pRaidPhysDiskPage1_t		buffer = NULL;
+	int				rc;
+
+	memset(&cfg, 0 , sizeof(CONFIGPARMS));
+	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
+
+	hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
+	hdr.PageNumber = 1;
+	cfg.cfghdr.hdr = &hdr;
+	cfg.physAddr = -1;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+	if (mpt_config(ioc, &cfg) != 0) {
+		rc = 0;
+		goto out;
+	}
+
+	if (!hdr.PageLength) {
+		rc = 0;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
+	    &dma_handle);
+
+	if (!buffer) {
+		rc = 0;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+	cfg.pageAddr = phys_disk_num;
+
+	if (mpt_config(ioc, &cfg) != 0) {
+		rc = 0;
+		goto out;
+	}
+
+	rc = buffer->NumPhysDiskPaths;
+ out:
+
+	if (buffer)
+		pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
+		    dma_handle);
+
+	return rc;
+}
+EXPORT_SYMBOL(mpt_raid_phys_disk_get_num_paths);
+
+/**
+ *	mpt_raid_phys_disk_pg1 - returns phys disk page 1
+ *	@ioc: Pointer to a Adapter Structure
+ *	@phys_disk_num: io unit unique phys disk num generated by the ioc
+ *	@phys_disk: requested payload data returned
+ *
+ *	Return:
+ *	0 on success
+ *	-EFAULT if read of config page header fails or data pointer not NULL
+ *	-ENOMEM if pci_alloc failed
+ **/
+int
+mpt_raid_phys_disk_pg1(MPT_ADAPTER *ioc, u8 phys_disk_num,
+		RaidPhysDiskPage1_t *phys_disk)
+{
+	CONFIGPARMS		 	cfg;
+	ConfigPageHeader_t	 	hdr;
+	dma_addr_t			dma_handle;
+	pRaidPhysDiskPage1_t		buffer = NULL;
+	int				rc;
+	int				i;
+	__le64				sas_address;
+
+	memset(&cfg, 0 , sizeof(CONFIGPARMS));
+	memset(&hdr, 0 , sizeof(ConfigPageHeader_t));
+	rc = 0;
+
+	hdr.PageVersion = MPI_RAIDPHYSDISKPAGE1_PAGEVERSION;
+	hdr.PageType = MPI_CONFIG_PAGETYPE_RAID_PHYSDISK;
+	hdr.PageNumber = 1;
+	cfg.cfghdr.hdr = &hdr;
+	cfg.physAddr = -1;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_HEADER;
+
+	if (mpt_config(ioc, &cfg) != 0) {
+		rc = -EFAULT;
+		goto out;
+	}
+
+	if (!hdr.PageLength) {
+		rc = -EFAULT;
+		goto out;
+	}
+
+	buffer = pci_alloc_consistent(ioc->pcidev, hdr.PageLength * 4,
+	    &dma_handle);
+
+	if (!buffer) {
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	cfg.physAddr = dma_handle;
+	cfg.action = MPI_CONFIG_ACTION_PAGE_READ_CURRENT;
+	cfg.pageAddr = phys_disk_num;
+
+	if (mpt_config(ioc, &cfg) != 0) {
+		rc = -EFAULT;
+		goto out;
+	}
+
+	phys_disk->NumPhysDiskPaths = buffer->NumPhysDiskPaths;
+	phys_disk->PhysDiskNum = phys_disk_num;
+	for (i = 0; i < phys_disk->NumPhysDiskPaths; i++) {
+		phys_disk->Path[i].PhysDiskID = buffer->Path[i].PhysDiskID;
+		phys_disk->Path[i].PhysDiskBus = buffer->Path[i].PhysDiskBus;
+		phys_disk->Path[i].OwnerIdentifier =
+				buffer->Path[i].OwnerIdentifier;
+		phys_disk->Path[i].Flags = le16_to_cpu(buffer->Path[i].Flags);
+		memcpy(&sas_address, &buffer->Path[i].WWID, sizeof(__le64));
+		sas_address = le64_to_cpu(sas_address);
+		memcpy(&phys_disk->Path[i].WWID, &sas_address, sizeof(__le64));
+		memcpy(&sas_address,
+				&buffer->Path[i].OwnerWWID, sizeof(__le64));
+		sas_address = le64_to_cpu(sas_address);
+		memcpy(&phys_disk->Path[i].OwnerWWID,
+				&sas_address, sizeof(__le64));
+	}
+
+ out:
+
+	if (buffer)
+		pci_free_consistent(ioc->pcidev, hdr.PageLength * 4, buffer,
+		    dma_handle);
+
+	return rc;
+}
+EXPORT_SYMBOL(mpt_raid_phys_disk_pg1);
+
+
+/**
  *	mpt_findImVolumes - Identify IDs of hidden disks and RAID Volumes
  *	@ioc: Pointer to a Adapter Strucutre
  *
@@ -5775,30 +6241,28 @@ mpt_get_manufacturing_pg_0(MPT_ADAPTER *ioc)
  *	SendEventNotification - Send EventNotification (on or off) request to adapter
  *	@ioc: Pointer to MPT_ADAPTER structure
  *	@EvSwitch: Event switch flags
+ *	@sleepFlag: Specifies whether the process can sleep
  */
 static int
-SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch)
+SendEventNotification(MPT_ADAPTER *ioc, u8 EvSwitch, int sleepFlag)
 {
-	EventNotification_t	*evnp;
+	EventNotification_t	evn;
+	MPIDefaultReply_t	reply_buf;
 
-	evnp = (EventNotification_t *) mpt_get_msg_frame(mpt_base_index, ioc);
-	if (evnp == NULL) {
-		devtverboseprintk(ioc, printk(MYIOC_s_WARN_FMT "Unable to allocate event request frame!\n",
-				ioc->name));
-		return 0;
-	}
-	memset(evnp, 0, sizeof(*evnp));
-
-	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending EventNotification (%d) request %p\n", ioc->name, EvSwitch, evnp));
+	memset(&evn, 0, sizeof(EventNotification_t));
+	memset(&reply_buf, 0, sizeof(MPIDefaultReply_t));
 
-	evnp->Function = MPI_FUNCTION_EVENT_NOTIFICATION;
-	evnp->ChainOffset = 0;
-	evnp->MsgFlags = 0;
-	evnp->Switch = EvSwitch;
+	evn.Function = MPI_FUNCTION_EVENT_NOTIFICATION;
+	evn.Switch = EvSwitch;
+	evn.MsgContext = cpu_to_le32(mpt_base_index << 16);
 
-	mpt_put_msg_frame(mpt_base_index, ioc, (MPT_FRAME_HDR *)evnp);
+	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+	    "Sending EventNotification (%d) request %p\n",
+	    ioc->name, EvSwitch, &evn));
 
-	return 0;
+	return mpt_handshake_req_reply_wait(ioc, sizeof(EventNotification_t),
+	    (u32 *)&evn, sizeof(MPIDefaultReply_t), (u16 *)&reply_buf, 30,
+	    sleepFlag);
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -5814,7 +6278,7 @@ SendEventAck(MPT_ADAPTER *ioc, EventNotificationReply_t *evnp)
 
 	if ((pAck = (EventAck_t *) mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
 		dfailprintk(ioc, printk(MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
-		    ioc->name,__func__));
+		    ioc->name, __func__));
 		return -1;
 	}
 
@@ -5851,12 +6315,19 @@ int
 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 {
 	Config_t	*pReq;
+	ConfigReply_t	*pReply;
 	ConfigExtendedPageHeader_t  *pExtHdr = NULL;
 	MPT_FRAME_HDR	*mf;
-	unsigned long	 flags;
-	int		 ii, rc;
+	int		 ii;
 	int		 flagsLength;
-	int		 in_isr;
+	long		 timeout;
+	int		 ret;
+	u8		 page_type = 0, extend_page;
+	unsigned long 	 timeleft;
+	unsigned long	 flags;
+    int		 in_isr;
+	u8		 issue_hard_reset = 0;
+	u8		 retry_count = 0;
 
 	/*	Prevent calling wait_event() (below), if caller happens
 	 *	to be in ISR context, because that is fatal!
@@ -5866,15 +6337,43 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "Config request not allowed in ISR context!\n",
 				ioc->name));
 		return -EPERM;
+    }
+
+	/* don't send a config page during diag reset */
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->ioc_reset_in_progress) {
+		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "%s: busy with host reset\n", ioc->name, __func__));
+		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+		return -EBUSY;
+	}
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+
+	/* don't send if no chance of success */
+	if (!ioc->active ||
+	    mpt_GetIocState(ioc, 1) != MPI_IOC_STATE_OPERATIONAL) {
+		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "%s: ioc not operational, %d, %xh\n",
+		    ioc->name, __func__, ioc->active,
+		    mpt_GetIocState(ioc, 0)));
+		return -EFAULT;
 	}
 
+ retry_config:
+	mutex_lock(&ioc->mptbase_cmds.mutex);
+	/* init the internal cmd struct */
+	memset(ioc->mptbase_cmds.reply, 0 , MPT_DEFAULT_FRAME_SIZE);
+	INITIALIZE_MGMT_STATUS(ioc->mptbase_cmds.status)
+
 	/* Get and Populate a free Frame
 	 */
 	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
-		dcprintk(ioc, printk(MYIOC_s_WARN_FMT "mpt_config: no msg frames!\n",
-				ioc->name));
-		return -EAGAIN;
+		dcprintk(ioc, printk(MYIOC_s_WARN_FMT
+		"mpt_config: no msg frames!\n", ioc->name));
+		ret = -EAGAIN;
+		goto out;
 	}
+
 	pReq = (Config_t *)mf;
 	pReq->Action = pCfg->action;
 	pReq->Reserved = 0;
@@ -5900,7 +6399,9 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 		pReq->ExtPageType = pExtHdr->ExtPageType;
 		pReq->Header.PageType = MPI_CONFIG_PAGETYPE_EXTENDED;
 
-		/* Page Length must be treated as a reserved field for the extended header. */
+		/* Page Length must be treated as a reserved field for the
+		 * extended header.
+		 */
 		pReq->Header.PageLength = 0;
 	}
 
@@ -5913,78 +6414,91 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 	else
 		flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ;
 
-	if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) == MPI_CONFIG_PAGETYPE_EXTENDED) {
+	if ((pCfg->cfghdr.hdr->PageType & MPI_CONFIG_PAGETYPE_MASK) ==
+	    MPI_CONFIG_PAGETYPE_EXTENDED) {
 		flagsLength |= pExtHdr->ExtPageLength * 4;
-
-		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
-			ioc->name, pReq->ExtPageType, pReq->Header.PageNumber, pReq->Action));
-	}
-	else {
+		page_type = pReq->ExtPageType;
+		extend_page = 1;
+	} else {
 		flagsLength |= pCfg->cfghdr.hdr->PageLength * 4;
-
-		dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Sending Config request type %d, page %d and action %d\n",
-			ioc->name, pReq->Header.PageType, pReq->Header.PageNumber, pReq->Action));
+		page_type = pReq->Header.PageType;
+		extend_page = 0;
 	}
 
-	mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
-
-	/* Append pCfg pointer to end of mf
-	 */
-	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;
-
-	/* Initalize the timer
-	 */
-	init_timer_on_stack(&pCfg->timer);
-	pCfg->timer.data = (unsigned long) ioc;
-	pCfg->timer.function = mpt_timer_expired;
-	pCfg->wait_done = 0;
-
-	/* Set the timer; ensure 10 second minimum */
-	if (pCfg->timeout < 10)
-		pCfg->timer.expires = jiffies + HZ*10;
-	else
-		pCfg->timer.expires = jiffies + HZ*pCfg->timeout;
-
-	/* Add to end of Q, set timer and then issue this command */
-	spin_lock_irqsave(&ioc->FreeQlock, flags);
-	list_add_tail(&pCfg->linkage, &ioc->configQ);
-	spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+	    "Sending Config request type 0x%x, page 0x%x and action %d\n",
+	    ioc->name, page_type, pReq->Header.PageNumber, pReq->Action));
 
-	add_timer(&pCfg->timer);
+	ioc->add_sge((char *)&pReq->PageBufferSGE, flagsLength, pCfg->physAddr);
+	timeout = (pCfg->timeout < 15) ? HZ*15 : HZ*pCfg->timeout;
 	mpt_put_msg_frame(mpt_base_index, ioc, mf);
-	wait_event(mpt_waitq, pCfg->wait_done);
+	timeleft = wait_for_completion_timeout(&ioc->mptbase_cmds.done,
+		timeout);
+	if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_COMMAND_GOOD)) {
+		ret = -ETIME;
+		dfailprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "Failed Sending Config request type 0x%x, page 0x%x,"
+		    " action %d, status %xh, time left %ld\n\n",
+			ioc->name, page_type, pReq->Header.PageNumber,
+			pReq->Action, ioc->mptbase_cmds.status, timeleft));
+		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_DID_IOCRESET)
+			goto out;
+		if (!timeleft)
+			issue_hard_reset = 1;
+		goto out;
+	}
 
-	/* mf has been freed - do not access */
+	if (!(ioc->mptbase_cmds.status & MPT_MGMT_STATUS_RF_VALID)) {
+		ret = -1;
+		goto out;
+	}
+	pReply = (ConfigReply_t	*)ioc->mptbase_cmds.reply;
+	ret = le16_to_cpu(pReply->IOCStatus) & MPI_IOCSTATUS_MASK;
+	if (ret == MPI_IOCSTATUS_SUCCESS) {
+		if (extend_page) {
+			pCfg->cfghdr.ehdr->ExtPageLength =
+			    le16_to_cpu(pReply->ExtPageLength);
+			pCfg->cfghdr.ehdr->ExtPageType =
+			    pReply->ExtPageType;
+		}
+		pCfg->cfghdr.hdr->PageVersion = pReply->Header.PageVersion;
+		pCfg->cfghdr.hdr->PageLength = pReply->Header.PageLength;
+		pCfg->cfghdr.hdr->PageNumber = pReply->Header.PageNumber;
+		pCfg->cfghdr.hdr->PageType = pReply->Header.PageType;
 
-	rc = pCfg->status;
+	}
 
-	return rc;
-}
+	if (retry_count)
+		printk(MYIOC_s_INFO_FMT "Retry completed "
+		    "ret=0x%x timeleft=%ld\n",
+		    ioc->name, ret, timeleft);
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/**
- *	mpt_timer_expired - Callback for timer process.
- *	Used only internal config functionality.
- *	@data: Pointer to MPT_SCSI_HOST recast as an unsigned long
- */
-static void
-mpt_timer_expired(unsigned long data)
-{
-	MPT_ADAPTER *ioc = (MPT_ADAPTER *) data;
-
-	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired! \n", ioc->name));
+	dcprintk(ioc, printk(KERN_DEBUG "IOCStatus=%04xh, IOCLogInfo=%08xh\n",
+	     ret, le32_to_cpu(pReply->IOCLogInfo)));
 
-	/* Perform a FW reload */
-	if (mpt_HardResetHandler(ioc, NO_SLEEP) < 0)
-		printk(MYIOC_s_WARN_FMT "Firmware Reload FAILED!\n", ioc->name);
+out:
 
-	/* No more processing.
-	 * Hard reset clean-up will wake up
-	 * process and free all resources.
-	 */
-	dcprintk(ioc, printk(MYIOC_s_DEBUG_FMT "mpt_timer_expired complete!\n", ioc->name));
+	CLEAR_MGMT_STATUS(ioc->mptbase_cmds.status)
+	mutex_unlock(&ioc->mptbase_cmds.mutex);
+	if (issue_hard_reset) {
+		issue_hard_reset = 0;
+		printk(MYIOC_s_WARN_FMT "Issuing Reset from %s!!\n",
+		    ioc->name, __func__);
+		mpt_HardResetHandler(ioc, CAN_SLEEP);
+		mpt_free_msg_frame(ioc, mf);
+		/* attempt one retry for a timed out command */
+		if (!retry_count) {
+			printk(MYIOC_s_INFO_FMT
+			    "Attempting Retry Config request"
+			    " type 0x%x, page 0x%x,"
+			    " action %d\n", ioc->name, page_type,
+			    pCfg->cfghdr.hdr->PageNumber, pCfg->action);
+			retry_count++;
+			goto retry_config;
+		}
+	}
+	return ret;
 
-	return;
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
@@ -5998,41 +6512,34 @@ mpt_timer_expired(unsigned long data)
 static int
 mpt_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 {
-	CONFIGPARMS *pCfg;
-	unsigned long flags;
-
-	dprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-	    ": IOC %s_reset routed to MPT base driver!\n",
-	    ioc->name, reset_phase==MPT_IOC_SETUP_RESET ? "setup" : (
-	    reset_phase==MPT_IOC_PRE_RESET ? "pre" : "post")));
-
-	if (reset_phase == MPT_IOC_SETUP_RESET) {
-		;
-	} else if (reset_phase == MPT_IOC_PRE_RESET) {
-		/* If the internal config Q is not empty -
-		 * delete timer. MF resources will be freed when
-		 * the FIFO's are primed.
-		 */
-		spin_lock_irqsave(&ioc->FreeQlock, flags);
-		list_for_each_entry(pCfg, &ioc->configQ, linkage)
-			del_timer(&pCfg->timer);
-		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
-
-	} else {
-		CONFIGPARMS *pNext;
-
-		/* Search the configQ for internal commands.
-		 * Flush the Q, and wake up all suspended threads.
-		 */
-		spin_lock_irqsave(&ioc->FreeQlock, flags);
-		list_for_each_entry_safe(pCfg, pNext, &ioc->configQ, linkage) {
-			list_del(&pCfg->linkage);
-
-			pCfg->status = MPT_CONFIG_ERROR;
-			pCfg->wait_done = 1;
-			wake_up(&mpt_waitq);
+	switch (reset_phase) {
+	case MPT_IOC_SETUP_RESET:
+		ioc->taskmgmt_quiesce_io = 1;
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "%s: MPT_IOC_SETUP_RESET\n", ioc->name, __func__));
+		break;
+	case MPT_IOC_PRE_RESET:
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "%s: MPT_IOC_PRE_RESET\n", ioc->name, __func__));
+		break;
+	case MPT_IOC_POST_RESET:
+		dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+		    "%s: MPT_IOC_POST_RESET\n",  ioc->name, __func__));
+/* wake up mptbase_cmds */
+		if (ioc->mptbase_cmds.status & MPT_MGMT_STATUS_PENDING) {
+			ioc->mptbase_cmds.status |=
+			    MPT_MGMT_STATUS_DID_IOCRESET;
+			complete(&ioc->mptbase_cmds.done);
 		}
-		spin_unlock_irqrestore(&ioc->FreeQlock, flags);
+/* wake up taskmgmt_cmds */
+		if (ioc->taskmgmt_cmds.status & MPT_MGMT_STATUS_PENDING) {
+			ioc->taskmgmt_cmds.status |=
+				MPT_MGMT_STATUS_DID_IOCRESET;
+			complete(&ioc->taskmgmt_cmds.done);
+		}
+		break;
+	default:
+		break;
 	}
 
 	return 1;		/* currently means nothing really */
@@ -6344,6 +6851,59 @@ mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buffer, int *size, int len, int sh
 
 	*size = y;
 }
+/**
+ *	mpt_set_taskmgmt_in_progress_flag - set flags associated with task managment
+ *	@ioc: Pointer to MPT_ADAPTER structure
+ *
+ *	Returns 0 for SUCCESS or -1 if FAILED.
+ *
+ *	If -1 is return, then it was not possible to set the flags
+ **/
+int
+mpt_set_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
+{
+	unsigned long	 flags;
+	int		 retval;
+
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->ioc_reset_in_progress || ioc->taskmgmt_in_progress ||
+	    (ioc->alt_ioc && ioc->alt_ioc->taskmgmt_in_progress)) {
+		retval = -1;
+		goto out;
+	}
+	retval = 0;
+	ioc->taskmgmt_in_progress = 1;
+	ioc->taskmgmt_quiesce_io = 1;
+	if (ioc->alt_ioc) {
+		ioc->alt_ioc->taskmgmt_in_progress = 1;
+		ioc->alt_ioc->taskmgmt_quiesce_io = 1;
+	}
+ out:
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+	return retval;
+}
+EXPORT_SYMBOL(mpt_set_taskmgmt_in_progress_flag);
+
+/**
+ *	mpt_clear_taskmgmt_in_progress_flag - clear flags associated with task managment
+ *	@ioc: Pointer to MPT_ADAPTER structure
+ *
+ **/
+void
+mpt_clear_taskmgmt_in_progress_flag(MPT_ADAPTER *ioc)
+{
+	unsigned long	 flags;
+
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	ioc->taskmgmt_in_progress = 0;
+	ioc->taskmgmt_quiesce_io = 0;
+	if (ioc->alt_ioc) {
+		ioc->alt_ioc->taskmgmt_in_progress = 0;
+		ioc->alt_ioc->taskmgmt_quiesce_io = 0;
+	}
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
+}
+EXPORT_SYMBOL(mpt_clear_taskmgmt_in_progress_flag);
 
 
 /**
@@ -6397,7 +6957,9 @@ int
 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 {
 	int		 rc;
+	u8	 cb_idx;
 	unsigned long	 flags;
+	unsigned long	 time_count;
 
 	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler Entered!\n", ioc->name));
 #ifdef MFCNT
@@ -6410,14 +6972,15 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 	/* Reset the adapter. Prevent more than 1 call to
 	 * mpt_do_ioc_recovery at any instant in time.
 	 */
-	spin_lock_irqsave(&ioc->diagLock, flags);
-	if ((ioc->diagPending) || (ioc->alt_ioc && ioc->alt_ioc->diagPending)){
-		spin_unlock_irqrestore(&ioc->diagLock, flags);
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	if (ioc->ioc_reset_in_progress) {
+		spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 		return 0;
-	} else {
-		ioc->diagPending = 1;
 	}
-	spin_unlock_irqrestore(&ioc->diagLock, flags);
+	ioc->ioc_reset_in_progress = 1;
+	if (ioc->alt_ioc)
+		ioc->alt_ioc->ioc_reset_in_progress = 1;
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 
 	/* FIXME: If do_ioc_recovery fails, repeat....
 	 */
@@ -6427,47 +6990,57 @@ mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag)
 	 * Prevents timeouts occurring during a diagnostic reset...very bad.
 	 * For all other protocol drivers, this is a no-op.
 	 */
-	{
-		u8	 cb_idx;
-		int	 r = 0;
-
-		for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
-			if (MptResetHandlers[cb_idx]) {
-				dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling IOC reset_setup handler #%d\n",
-						ioc->name, cb_idx));
-				r += mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
-				if (ioc->alt_ioc) {
-					dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Calling alt-%s setup reset handler #%d\n",
-							ioc->name, ioc->alt_ioc->name, cb_idx));
-					r += mpt_signal_reset(cb_idx, ioc->alt_ioc, MPT_IOC_SETUP_RESET);
-				}
-			}
+	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
+		if (MptResetHandlers[cb_idx]) {
+			mpt_signal_reset(cb_idx, ioc, MPT_IOC_SETUP_RESET);
+			if (ioc->alt_ioc)
+				mpt_signal_reset(cb_idx, ioc->alt_ioc,
+					MPT_IOC_SETUP_RESET);
 		}
 	}
 
-	if ((rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag)) != 0) {
-		printk(MYIOC_s_WARN_FMT "Cannot recover rc = %d!\n", ioc->name, rc);
+	time_count = jiffies;
+	rc = mpt_do_ioc_recovery(ioc, MPT_HOSTEVENT_IOC_RECOVER, sleepFlag);
+	if (rc != 0) {
+		printk(KERN_WARNING MYNAM
+		    ": WARNING - (%d) Cannot recover %s\n", rc, ioc->name);
+	} else {
+		if (ioc->hard_resets < -1)
+			ioc->hard_resets++;
 	}
-	ioc->reload_fw = 0;
-	if (ioc->alt_ioc)
-		ioc->alt_ioc->reload_fw = 0;
 
-	spin_lock_irqsave(&ioc->diagLock, flags);
-	ioc->diagPending = 0;
-	if (ioc->alt_ioc)
-		ioc->alt_ioc->diagPending = 0;
-	spin_unlock_irqrestore(&ioc->diagLock, flags);
+	spin_lock_irqsave(&ioc->taskmgmt_lock, flags);
+	ioc->ioc_reset_in_progress = 0;
+	ioc->taskmgmt_quiesce_io = 0;
+	ioc->taskmgmt_in_progress = 0;
+	if (ioc->alt_ioc) {
+		ioc->alt_ioc->ioc_reset_in_progress = 0;
+		ioc->alt_ioc->taskmgmt_quiesce_io = 0;
+		ioc->alt_ioc->taskmgmt_in_progress = 0;
+	}
+	spin_unlock_irqrestore(&ioc->taskmgmt_lock, flags);
 
-	dtmprintk(ioc, printk(MYIOC_s_DEBUG_FMT "HardResetHandler rc = %d!\n", ioc->name, rc));
+	dtmprintk(ioc,
+	    printk(MYIOC_s_DEBUG_FMT
+		"HardResetHandler: completed (%d seconds): %s\n", ioc->name,
+		jiffies_to_msecs(jiffies - time_count)/1000, ((rc == 0) ?
+		"SUCCESS" : "FAILED")));
 
 	return rc;
 }
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+#ifdef CONFIG_FUSION_LOGGING
 static void
-EventDescriptionStr(u8 event, u32 evData0, char *evStr)
+mpt_display_event_info(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply)
 {
 	char *ds = NULL;
+	u32 evData0;
+	int ii;
+	u8 event;
+	char *evStr = ioc->evStr;
+
+	event = le32_to_cpu(pEventReply->Event) & 0xFF;
+	evData0 = le32_to_cpu(pEventReply->Data[0]);
 
 	switch(event) {
 	case MPI_EVENT_NONE:
@@ -6501,9 +7074,9 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 		if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LIP)
 			ds = "Loop State(LIP) Change";
 		else if (evData0 == MPI_EVENT_LOOP_STATE_CHANGE_LPE)
-			ds = "Loop State(LPE) Change";		/* ??? */
+			ds = "Loop State(LPE) Change";
 		else
-			ds = "Loop State(LPB) Change";		/* ??? */
+			ds = "Loop State(LPB) Change";
 		break;
 	case MPI_EVENT_LOGOUT:
 		ds = "Logout";
@@ -6703,28 +7276,65 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 	}
 	case MPI_EVENT_IR2:
 	{
+		u8 id = (u8)(evData0);
+		u8 channel = (u8)(evData0 >> 8);
+		u8 phys_num = (u8)(evData0 >> 24);
 		u8 ReasonCode = (u8)(evData0 >> 16);
+
 		switch (ReasonCode) {
 		case MPI_EVENT_IR2_RC_LD_STATE_CHANGED:
-			ds = "IR2: LD State Changed";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: LD State Changed: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_PD_STATE_CHANGED:
-			ds = "IR2: PD State Changed";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: PD State Changed "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_BAD_BLOCK_TABLE_FULL:
-			ds = "IR2: Bad Block Table Full";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: Bad Block Table Full: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_PD_INSERTED:
-			ds = "IR2: PD Inserted";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: PD Inserted: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_PD_REMOVED:
-			ds = "IR2: PD Removed";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: PD Removed: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_FOREIGN_CFG_DETECTED:
-			ds = "IR2: Foreign CFG Detected";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: Foreign CFG Detected: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		case MPI_EVENT_IR2_RC_REBUILD_MEDIUM_ERROR:
-			ds = "IR2: Rebuild Medium Error";
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: Rebuild Medium Error: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
+			break;
+		case MPI_EVENT_IR2_RC_DUAL_PORT_ADDED:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: Dual Port Added: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
+			break;
+		case MPI_EVENT_IR2_RC_DUAL_PORT_REMOVED:
+			snprintf(evStr, EVENT_DESCR_STR_SZ,
+			    "IR2: Dual Port Removed: "
+			    "id=%d channel=%d phys_num=%d",
+			    id, channel, phys_num);
 			break;
 		default:
 			ds = "IR2";
@@ -6760,13 +7370,18 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 	case MPI_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE:
 	{
 		u8 reason = (u8)(evData0);
-		u8 port_num = (u8)(evData0 >> 8);
-		u16 handle = le16_to_cpu(evData0 >> 16);
 
-		snprintf(evStr, EVENT_DESCR_STR_SZ,
-		    "SAS Initiator Device Status Change: reason=0x%02x "
-		    "port=%d handle=0x%04x",
-		    reason, port_num, handle);
+		switch (reason) {
+		case MPI_EVENT_SAS_INIT_RC_ADDED:
+			ds = "SAS Initiator Status Change: Added";
+			break;
+		case MPI_EVENT_SAS_INIT_RC_REMOVED:
+			ds = "SAS Initiator Status Change: Deleted";
+			break;
+		default:
+			ds = "SAS Initiator Status Change";
+			break;
+		}
 		break;
 	}
 
@@ -6814,6 +7429,24 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 		break;
 	}
 
+	case MPI_EVENT_SAS_EXPANDER_STATUS_CHANGE:
+	{
+		u8 reason = (u8)(evData0);
+
+		switch (reason) {
+		case MPI_EVENT_SAS_EXP_RC_ADDED:
+			ds = "Expander Status Change: Added";
+			break;
+		case MPI_EVENT_SAS_EXP_RC_NOT_RESPONDING:
+			ds = "Expander Status Change: Deleted";
+			break;
+		default:
+			ds = "Expander Status Change";
+			break;
+		}
+		break;
+	}
+
 	/*
 	 *  MPT base "custom" events may be added here...
 	 */
@@ -6823,8 +7456,20 @@ EventDescriptionStr(u8 event, u32 evData0, char *evStr)
 	}
 	if (ds)
 		strncpy(evStr, ds, EVENT_DESCR_STR_SZ);
-}
 
+
+	devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+	    "MPT event:(%02Xh) : %s\n",
+	    ioc->name, event, evStr));
+
+	devtverboseprintk(ioc, printk(KERN_DEBUG MYNAM
+	    ": Event data:\n"));
+	for (ii = 0; ii < le16_to_cpu(pEventReply->EventDataLength); ii++)
+		devtverboseprintk(ioc, printk(" %08x",
+		    le32_to_cpu(pEventReply->Data[ii])));
+	devtverboseprintk(ioc, printk(KERN_DEBUG "\n"));
+}
+#endif
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *	ProcessEventNotification - Route EventNotificationReply to all event handlers
@@ -6841,37 +7486,24 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
 {
 	u16 evDataLen;
 	u32 evData0 = 0;
-//	u32 evCtx;
 	int ii;
 	u8 cb_idx;
 	int r = 0;
 	int handlers = 0;
-	char evStr[EVENT_DESCR_STR_SZ];
 	u8 event;
 
 	/*
 	 *  Do platform normalization of values
 	 */
 	event = le32_to_cpu(pEventReply->Event) & 0xFF;
-//	evCtx = le32_to_cpu(pEventReply->EventContext);
 	evDataLen = le16_to_cpu(pEventReply->EventDataLength);
 	if (evDataLen) {
 		evData0 = le32_to_cpu(pEventReply->Data[0]);
 	}
 
-	EventDescriptionStr(event, evData0, evStr);
-	devtprintk(ioc, printk(MYIOC_s_DEBUG_FMT "MPT event:(%02Xh) : %s\n",
-			ioc->name,
-			event,
-			evStr));
-
 #ifdef CONFIG_FUSION_LOGGING
-	devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
-	    ": Event data:\n", ioc->name));
-	for (ii = 0; ii < evDataLen; ii++)
-		devtverboseprintk(ioc, printk(" %08x",
-		    le32_to_cpu(pEventReply->Data[ii])));
-	devtverboseprintk(ioc, printk("\n"));
+	if (evDataLen)
+		mpt_display_event_info(ioc, pEventReply);
 #endif
 
 	/*
@@ -6926,8 +7558,9 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
 	 */
 	for (cb_idx = MPT_MAX_PROTOCOL_DRIVERS-1; cb_idx; cb_idx--) {
 		if (MptEvHandlers[cb_idx]) {
-			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT "Routing Event to event handler #%d\n",
-					ioc->name, cb_idx));
+			devtverboseprintk(ioc, printk(MYIOC_s_DEBUG_FMT
+			    "Routing Event to event handler #%d\n",
+			    ioc->name, cb_idx));
 			r += (*(MptEvHandlers[cb_idx]))(ioc, pEventReply);
 			handlers++;
 		}
@@ -7011,8 +7644,6 @@ mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
 	switch (info) {
 	case 0x00010000:
 		desc = "bug! MID not found";
-		if (ioc->reload_fw == 0)
-			ioc->reload_fw++;
 		break;
 
 	case 0x00020000:
@@ -7613,7 +8244,6 @@ EXPORT_SYMBOL(mpt_get_msg_frame);
 EXPORT_SYMBOL(mpt_put_msg_frame);
 EXPORT_SYMBOL(mpt_put_msg_frame_hi_pri);
 EXPORT_SYMBOL(mpt_free_msg_frame);
-EXPORT_SYMBOL(mpt_add_sge);
 EXPORT_SYMBOL(mpt_send_handshake_request);
 EXPORT_SYMBOL(mpt_verify_adapter);
 EXPORT_SYMBOL(mpt_GetIocState);
@@ -7650,7 +8280,7 @@ fusion_init(void)
 	/*  Register ourselves (mptbase) in order to facilitate
 	 *  EventNotification handling.
 	 */
-	mpt_base_index = mpt_register(mpt_base_reply, MPTBASE_DRIVER);
+	mpt_base_index = mpt_register(mptbase_reply, MPTBASE_DRIVER);
 
 	/* Register for hard reset handling callbacks.
 	 */