Merge branch 'master'

13 files changed, 879 insertions, 310 deletions

diff --git a/drivers/message/fusion/Makefile b/drivers/message/fusion/Makefile
index 8a2e2657f4c..33ace373241 100644
--- a/drivers/message/fusion/Makefile
+++ b/drivers/message/fusion/Makefile
@@ -29,6 +29,8 @@
 #  For mptctl:
 #CFLAGS_mptctl.o += -DMPT_DEBUG_IOCTL
 #
+#  For mptfc:
+#CFLAGS_mptfc.o += -DMPT_DEBUG_FC
 
 #=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-} LSI_LOGIC
 
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index d890b2b8a93..642a61b6d0a 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -81,6 +81,10 @@ MODULE_LICENSE("GPL");
 /*
  *  cmd line parameters
  */
+static int mpt_msi_enable;
+module_param(mpt_msi_enable, int, 0);
+MODULE_PARM_DESC(mpt_msi_enable, " MSI Support Enable (default=0)");
+
 #ifdef MFCNT
 static int mfcounter = 0;
 #define PRINT_MF_COUNT 20000
@@ -174,7 +178,7 @@ static void	mpt_get_fw_exp_ver(char *buf, MPT_ADAPTER *ioc);
 static int	ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *evReply, int *evHandlers);
 static void	mpt_sp_ioc_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_sp_log_info(MPT_ADAPTER *ioc, u32 log_info);
+static void	mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info);
 static void	mpt_sas_log_info(MPT_ADAPTER *ioc, u32 log_info);
 
 /* module entry point */
@@ -313,7 +317,7 @@ mpt_reply(MPT_ADAPTER *ioc, u32 pa)
 		if (ioc->bus_type == FC)
 			mpt_fc_log_info(ioc, log_info);
 		else if (ioc->bus_type == SPI)
-			mpt_sp_log_info(ioc, log_info);
+			mpt_spi_log_info(ioc, log_info);
 		else if (ioc->bus_type == SAS)
 			mpt_sas_log_info(ioc, log_info);
 	}
@@ -448,8 +452,7 @@ mpt_base_reply(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *reply)
 	} else if (func == MPI_FUNCTION_EVENT_ACK) {
 		dprintk((MYIOC_s_INFO_FMT "mpt_base_reply, EventAck reply received\n",
 				ioc->name));
-	} else if (func == MPI_FUNCTION_CONFIG ||
-		   func == MPI_FUNCTION_TOOLBOX) {
+	} else if (func == MPI_FUNCTION_CONFIG) {
 		CONFIGPARMS *pCfg;
 		unsigned long flags;
 
@@ -1444,6 +1447,9 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 
 	ioc->pci_irq = -1;
 	if (pdev->irq) {
+		if (mpt_msi_enable && !pci_enable_msi(pdev))
+			printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n", ioc->name);
+
 		r = request_irq(pdev->irq, mpt_interrupt, SA_SHIRQ, ioc->name, ioc);
 
 		if (r < 0) {
@@ -1483,6 +1489,10 @@ mpt_attach(struct pci_dev *pdev, const struct pci_device_id *id)
 
 		list_del(&ioc->list);
 		free_irq(ioc->pci_irq, ioc);
+		if (mpt_msi_enable)
+			pci_disable_msi(pdev);
+		if (ioc->alt_ioc)
+			ioc->alt_ioc->alt_ioc = NULL;
 		iounmap(mem);
 		kfree(ioc);
 		pci_set_drvdata(pdev, NULL);
@@ -2136,6 +2146,8 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc)
 
 	if (ioc->pci_irq != -1) {
 		free_irq(ioc->pci_irq, ioc);
+		if (mpt_msi_enable)
+			pci_disable_msi(ioc->pcidev);
 		ioc->pci_irq = -1;
 	}
 
@@ -2157,6 +2169,10 @@ mpt_adapter_dispose(MPT_ADAPTER *ioc)
 	sz_last = ioc->alloc_total;
 	dprintk((KERN_INFO MYNAM ": %s: free'd %d of %d bytes\n",
 			ioc->name, sz_first-sz_last+(int)sizeof(*ioc), sz_first));
+
+	if (ioc->alt_ioc)
+		ioc->alt_ioc->alt_ioc = NULL;
+
 	kfree(ioc);
 }
 
@@ -2770,13 +2786,16 @@ SendPortEnable(MPT_ADAPTER *ioc, int portnum, int sleepFlag)
 
 	/* RAID FW may take a long time to enable
 	 */
-	if ( (ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
-			> MPI_FW_HEADER_PID_PROD_TARGET_SCSI ) {
-		rc = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&port_enable,
-				reply_sz, (u16*)&reply_buf, 300 /*seconds*/, sleepFlag);
+	if (((ioc->facts.ProductID & MPI_FW_HEADER_PID_PROD_MASK)
+	    > MPI_FW_HEADER_PID_PROD_TARGET_SCSI) ||
+	    (ioc->bus_type == SAS)) {
+		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
+		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
+		300 /*seconds*/, sleepFlag);
 	} else {
-		rc = mpt_handshake_req_reply_wait(ioc, req_sz, (u32*)&port_enable,
-				reply_sz, (u16*)&reply_buf, 30 /*seconds*/, sleepFlag);
+		rc = mpt_handshake_req_reply_wait(ioc, req_sz,
+		(u32*)&port_enable, reply_sz, (u16*)&reply_buf,
+		30 /*seconds*/, sleepFlag);
 	}
 	return rc;
 }
@@ -4387,6 +4406,138 @@ mptbase_sas_persist_operation(MPT_ADAPTER *ioc, u8 persist_opcode)
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+
+static void
+mptbase_raid_process_event_data(MPT_ADAPTER *ioc,
+    MpiEventDataRaid_t * pRaidEventData)
+{
+	int 	volume;
+	int 	reason;
+	int 	disk;
+	int 	status;
+	int 	flags;
+	int 	state;
+
+	volume	= pRaidEventData->VolumeID;
+	reason	= pRaidEventData->ReasonCode;
+	disk	= pRaidEventData->PhysDiskNum;
+	status	= le32_to_cpu(pRaidEventData->SettingsStatus);
+	flags	= (status >> 0) & 0xff;
+	state	= (status >> 8) & 0xff;
+
+	if (reason == MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED) {
+		return;
+	}
+
+	if ((reason >= MPI_EVENT_RAID_RC_PHYSDISK_CREATED &&
+	     reason <= MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED) ||
+	    (reason == MPI_EVENT_RAID_RC_SMART_DATA)) {
+		printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for PhysDisk %d\n",
+			ioc->name, disk);
+	} else {
+		printk(MYIOC_s_INFO_FMT "RAID STATUS CHANGE for VolumeID %d\n",
+			ioc->name, volume);
+	}
+
+	switch(reason) {
+	case MPI_EVENT_RAID_RC_VOLUME_CREATED:
+		printk(MYIOC_s_INFO_FMT "  volume has been created\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_VOLUME_DELETED:
+
+		printk(MYIOC_s_INFO_FMT "  volume has been deleted\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_VOLUME_SETTINGS_CHANGED:
+		printk(MYIOC_s_INFO_FMT "  volume settings have been changed\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
+		printk(MYIOC_s_INFO_FMT "  volume is now %s%s%s%s\n",
+			ioc->name,
+			state == MPI_RAIDVOL0_STATUS_STATE_OPTIMAL
+			 ? "optimal"
+			 : state == MPI_RAIDVOL0_STATUS_STATE_DEGRADED
+			  ? "degraded"
+			  : state == MPI_RAIDVOL0_STATUS_STATE_FAILED
+			   ? "failed"
+			   : "state unknown",
+			flags & MPI_RAIDVOL0_STATUS_FLAG_ENABLED
+			 ? ", enabled" : "",
+			flags & MPI_RAIDVOL0_STATUS_FLAG_QUIESCED
+			 ? ", quiesced" : "",
+			flags & MPI_RAIDVOL0_STATUS_FLAG_RESYNC_IN_PROGRESS
+			 ? ", resync in progress" : "" );
+		break;
+
+	case MPI_EVENT_RAID_RC_VOLUME_PHYSDISK_CHANGED:
+		printk(MYIOC_s_INFO_FMT "  volume membership of PhysDisk %d has changed\n",
+			ioc->name, disk);
+		break;
+
+	case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
+		printk(MYIOC_s_INFO_FMT "  PhysDisk has been created\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
+		printk(MYIOC_s_INFO_FMT "  PhysDisk has been deleted\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_PHYSDISK_SETTINGS_CHANGED:
+		printk(MYIOC_s_INFO_FMT "  PhysDisk settings have been changed\n",
+			ioc->name);
+		break;
+
+	case MPI_EVENT_RAID_RC_PHYSDISK_STATUS_CHANGED:
+		printk(MYIOC_s_INFO_FMT "  PhysDisk is now %s%s%s\n",
+			ioc->name,
+			state == MPI_PHYSDISK0_STATUS_ONLINE
+			 ? "online"
+			 : state == MPI_PHYSDISK0_STATUS_MISSING
+			  ? "missing"
+			  : state == MPI_PHYSDISK0_STATUS_NOT_COMPATIBLE
+			   ? "not compatible"
+			   : state == MPI_PHYSDISK0_STATUS_FAILED
+			    ? "failed"
+			    : state == MPI_PHYSDISK0_STATUS_INITIALIZING
+			     ? "initializing"
+			     : state == MPI_PHYSDISK0_STATUS_OFFLINE_REQUESTED
+			      ? "offline requested"
+			      : state == MPI_PHYSDISK0_STATUS_FAILED_REQUESTED
+			       ? "failed requested"
+			       : state == MPI_PHYSDISK0_STATUS_OTHER_OFFLINE
+			        ? "offline"
+			        : "state unknown",
+			flags & MPI_PHYSDISK0_STATUS_FLAG_OUT_OF_SYNC
+			 ? ", out of sync" : "",
+			flags & MPI_PHYSDISK0_STATUS_FLAG_QUIESCED
+			 ? ", quiesced" : "" );
+		break;
+
+	case MPI_EVENT_RAID_RC_DOMAIN_VAL_NEEDED:
+		printk(MYIOC_s_INFO_FMT "  Domain Validation needed for PhysDisk %d\n",
+			ioc->name, disk);
+		break;
+
+	case MPI_EVENT_RAID_RC_SMART_DATA:
+		printk(MYIOC_s_INFO_FMT "  SMART data received, ASC/ASCQ = %02xh/%02xh\n",
+			ioc->name, pRaidEventData->ASC, pRaidEventData->ASCQ);
+		break;
+
+	case MPI_EVENT_RAID_RC_REPLACE_ACTION_STARTED:
+		printk(MYIOC_s_INFO_FMT "  replacement of PhysDisk %d has started\n",
+			ioc->name, disk);
+		break;
+	}
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	GetIoUnitPage2 - Retrieve BIOS version and boot order information.
  *	@ioc: Pointer to MPT_ADAPTER structure
@@ -4598,6 +4749,14 @@ mpt_GetScsiPortSettings(MPT_ADAPTER *ioc, int portnum)
 				SCSIPortPage2_t *pPP2 = (SCSIPortPage2_t  *) pbuf;
 				MpiDeviceInfo_t	*pdevice = NULL;
 
+				/*
+				 * Save "Set to Avoid SCSI Bus Resets" flag
+				 */
+				ioc->spi_data.bus_reset =
+				    (le32_to_cpu(pPP2->PortFlags) &
+			        MPI_SCSIPORTPAGE2_PORT_FLAGS_AVOID_SCSI_RESET) ?
+				    0 : 1 ;
+
 				/* Save the Port Page 2 data
 				 * (reformat into a 32bit quantity)
 				 */
@@ -5167,115 +5326,6 @@ mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/**
- *	mpt_toolbox - Generic function to issue toolbox message
- *	@ioc - Pointer to an adapter structure
- *	@cfg - Pointer to a toolbox structure. Struct contains
- *		action, page address, direction, physical address
- *		and pointer to a configuration page header
- *		Page header is updated.
- *
- *	Returns 0 for success
- *	-EPERM if not allowed due to ISR context
- *	-EAGAIN if no msg frames currently available
- *	-EFAULT for non-successful reply or no reply (timeout)
- */
-int
-mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *pCfg)
-{
-	ToolboxIstwiReadWriteRequest_t	*pReq;
-	MPT_FRAME_HDR	*mf;
-	struct pci_dev	*pdev;
-	unsigned long	 flags;
-	int		 rc;
-	u32		 flagsLength;
-	int		 in_isr;
-
-	/*	Prevent calling wait_event() (below), if caller happens
-	 *	to be in ISR context, because that is fatal!
-	 */
-	in_isr = in_interrupt();
-	if (in_isr) {
-		dcprintk((MYIOC_s_WARN_FMT "toobox request not allowed in ISR context!\n",
-				ioc->name));
-		return -EPERM;
-	}
-
-	/* Get and Populate a free Frame
-	 */
-	if ((mf = mpt_get_msg_frame(mpt_base_index, ioc)) == NULL) {
-		dcprintk((MYIOC_s_WARN_FMT "mpt_toolbox: no msg frames!\n",
-				ioc->name));
-		return -EAGAIN;
-	}
-	pReq = (ToolboxIstwiReadWriteRequest_t	*)mf;
-	pReq->Tool = pCfg->action;
-	pReq->Reserved = 0;
-	pReq->ChainOffset = 0;
-	pReq->Function = MPI_FUNCTION_TOOLBOX;
-	pReq->Reserved1 = 0;
-	pReq->Reserved2 = 0;
-	pReq->MsgFlags = 0;
-	pReq->Flags = pCfg->dir;
-	pReq->BusNum = 0;
-	pReq->Reserved3 = 0;
-	pReq->NumAddressBytes = 0x01;
-	pReq->Reserved4 = 0;
-	pReq->DataLength = cpu_to_le16(0x04);
-	pdev = ioc->pcidev;
-	if (pdev->devfn & 1)
-		pReq->DeviceAddr = 0xB2;
-	else
-		pReq->DeviceAddr = 0xB0;
-	pReq->Addr1 = 0;
-	pReq->Addr2 = 0;
-	pReq->Addr3 = 0;
-	pReq->Reserved5 = 0;
-
-	/* Add a SGE to the config request.
-	 */
-
-	flagsLength = MPT_SGE_FLAGS_SSIMPLE_READ | 4;
-
-	mpt_add_sge((char *)&pReq->SGL, flagsLength, pCfg->physAddr);
-
-	dcprintk((MYIOC_s_INFO_FMT "Sending Toolbox request, Tool=%x\n",
-		ioc->name, pReq->Tool));
-
-	/* Append pCfg pointer to end of mf
-	 */
-	*((void **) (((u8 *) mf) + (ioc->req_sz - sizeof(void *)))) =  (void *) pCfg;
-
-	/* Initalize the timer
-	 */
-	init_timer(&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);
-
-	add_timer(&pCfg->timer);
-	mpt_put_msg_frame(mpt_base_index, ioc, mf);
-	wait_event(mpt_waitq, pCfg->wait_done);
-
-	/* mf has been freed - do not access */
-
-	rc = pCfg->status;
-
-	return rc;
-}
-
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *	mpt_timer_expired - Call back for timer process.
  *	Used only internal config functionality.
@@ -5967,6 +6017,10 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
 			}
 		}
 		break;
+	case MPI_EVENT_INTEGRATED_RAID:
+		mptbase_raid_process_event_data(ioc,
+		    (MpiEventDataRaid_t *)pEventReply->Data);
+		break;
 	default:
 		break;
 	}
@@ -5978,7 +6032,7 @@ ProcessEventNotification(MPT_ADAPTER *ioc, EventNotificationReply_t *pEventReply
 	if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
 		int idx;
 
-		idx = ioc->eventContext % ioc->eventLogSize;
+		idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
 
 		ioc->events[idx].event = event;
 		ioc->events[idx].eventContext = ioc->eventContext;
@@ -6046,7 +6100,7 @@ mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
- *	mpt_sp_log_info - Log information returned from SCSI Parallel IOC.
+ *	mpt_spi_log_info - Log information returned from SCSI Parallel IOC.
  *	@ioc: Pointer to MPT_ADAPTER structure
  *	@mr: Pointer to MPT reply frame
  *	@log_info: U32 LogInfo word from the IOC
@@ -6054,7 +6108,7 @@ mpt_fc_log_info(MPT_ADAPTER *ioc, u32 log_info)
  *	Refer to lsi/sp_log.h.
  */
 static void
-mpt_sp_log_info(MPT_ADAPTER *ioc, u32 log_info)
+mpt_spi_log_info(MPT_ADAPTER *ioc, u32 log_info)
 {
 	u32 info = log_info & 0x00FF0000;
 	char *desc = "unknown";
@@ -6376,7 +6430,6 @@ EXPORT_SYMBOL(mpt_lan_index);
 EXPORT_SYMBOL(mpt_stm_index);
 EXPORT_SYMBOL(mpt_HardResetHandler);
 EXPORT_SYMBOL(mpt_config);
-EXPORT_SYMBOL(mpt_toolbox);
 EXPORT_SYMBOL(mpt_findImVolumes);
 EXPORT_SYMBOL(mpt_read_ioc_pg_3);
 EXPORT_SYMBOL(mpt_alloc_fw_memory);
diff --git a/drivers/message/fusion/mptbase.h b/drivers/message/fusion/mptbase.h
index 47053ac6506..723d5430095 100644
--- a/drivers/message/fusion/mptbase.h
+++ b/drivers/message/fusion/mptbase.h
@@ -76,8 +76,8 @@
 #define COPYRIGHT	"Copyright (c) 1999-2005 " MODULEAUTHOR
 #endif
 
-#define MPT_LINUX_VERSION_COMMON	"3.03.06"
-#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.06"
+#define MPT_LINUX_VERSION_COMMON	"3.03.07"
+#define MPT_LINUX_PACKAGE_NAME		"@(#)mptlinux-3.03.07"
 #define WHAT_MAGIC_STRING		"@" "(" "#" ")"
 
 #define show_mptmod_ver(s,ver)  \
@@ -123,7 +123,7 @@
 #define  MPT_MAX_FRAME_SIZE		128
 #define  MPT_DEFAULT_FRAME_SIZE		128
 
-#define  MPT_REPLY_FRAME_SIZE		0x40  /* Must be a multiple of 8 */
+#define  MPT_REPLY_FRAME_SIZE		0x50  /* Must be a multiple of 8 */
 
 #define  MPT_SG_REQ_128_SCALE		1
 #define  MPT_SG_REQ_96_SCALE		2
@@ -510,9 +510,10 @@ struct mptfc_rport_info
 {
 	struct list_head list;
 	struct fc_rport *rport;
-	VirtDevice	*vdev;
+	struct scsi_target *starget;
 	FCDevicePage0_t pg0;
 	u8		flags;
+	u8		remap_needed;
 };
 
 /*
@@ -615,6 +616,7 @@ typedef struct _MPT_ADAPTER
 	 * increments by 32 bytes
 	 */
 	int			 errata_flag_1064;
+	int			 aen_event_read_flag; /* flag to indicate event log was read*/
 	u8			 FirstWhoInit;
 	u8			 upload_fw;	/* If set, do a fw upload */
 	u8			 reload_fw;	/* Force a FW Reload on next reset */
@@ -631,6 +633,7 @@ typedef struct _MPT_ADAPTER
 	struct mutex		 sas_topology_mutex;
 	MPT_SAS_MGMT		 sas_mgmt;
 	int			 num_ports;
+	struct work_struct	 mptscsih_persistTask;
 
 	struct list_head	 fc_rports;
 	spinlock_t		 fc_rport_lock; /* list and ri flags */
@@ -803,6 +806,12 @@ typedef struct _mpt_sge {
 #define dreplyprintk(x)
 #endif
 
+#ifdef DMPT_DEBUG_FC
+#define dfcprintk(x) printk x
+#else
+#define dfcprintk(x)
+#endif
+
 #ifdef MPT_DEBUG_TM
 #define dtmprintk(x) printk x
 #define DBG_DUMP_TM_REQUEST_FRAME(mfp) \
@@ -1018,7 +1027,6 @@ extern u32	 mpt_GetIocState(MPT_ADAPTER *ioc, int cooked);
 extern void	 mpt_print_ioc_summary(MPT_ADAPTER *ioc, char *buf, int *size, int len, int showlan);
 extern int	 mpt_HardResetHandler(MPT_ADAPTER *ioc, int sleepFlag);
 extern int	 mpt_config(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
-extern int	 mpt_toolbox(MPT_ADAPTER *ioc, CONFIGPARMS *cfg);
 extern void	 mpt_alloc_fw_memory(MPT_ADAPTER *ioc, int size);
 extern void	 mpt_free_fw_memory(MPT_ADAPTER *ioc);
 extern int	 mpt_findImVolumes(MPT_ADAPTER *ioc);
diff --git a/drivers/message/fusion/mptctl.c b/drivers/message/fusion/mptctl.c
index bdf70998798..9b64e07400d 100644
--- a/drivers/message/fusion/mptctl.c
+++ b/drivers/message/fusion/mptctl.c
@@ -136,6 +136,12 @@ static void mptctl_free_tm_flags(MPT_ADAPTER *ioc);
  */
 static int  mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase);
 
+/*
+ * Event Handler function
+ */
+static int mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
+struct fasync_struct *async_queue=NULL;
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  * Scatter gather list (SGL) sizes and limits...
@@ -385,18 +391,18 @@ static int mptctl_bus_reset(MPT_IOCTL *ioctl)
 	}
 
 	/* Now wait for the command to complete */
-	ii = wait_event_interruptible_timeout(mptctl_wait,
+	ii = wait_event_timeout(mptctl_wait,
 	     ioctl->wait_done == 1,
 	     HZ*5 /* 5 second timeout */);
 
 	if(ii <=0 && (ioctl->wait_done != 1 ))  {
+		mpt_free_msg_frame(hd->ioc, mf);
 		ioctl->wait_done = 0;
 		retval = -1; /* return failure */
 	}
 
 mptctl_bus_reset_done:
 
-	mpt_free_msg_frame(hd->ioc, mf);
 	mptctl_free_tm_flags(ioctl->ioc);
 	return retval;
 }
@@ -472,6 +478,69 @@ mptctl_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* ASYNC Event Notification Support */
+static int
+mptctl_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
+{
+	u8 event;
+
+	event = le32_to_cpu(pEvReply->Event) & 0xFF;
+
+	dctlprintk(("%s() called\n", __FUNCTION__));
+	if(async_queue == NULL)
+		return 1;
+
+	/* Raise SIGIO for persistent events.
+	 * TODO - this define is not in MPI spec yet,
+	 * but they plan to set it to 0x21
+	 */
+	 if (event == 0x21 ) {
+		ioc->aen_event_read_flag=1;
+		dctlprintk(("Raised SIGIO to application\n"));
+		devtprintk(("Raised SIGIO to application\n"));
+		kill_fasync(&async_queue, SIGIO, POLL_IN);
+		return 1;
+	 }
+
+	/* This flag is set after SIGIO was raised, and
+	 * remains set until the application has read
+	 * the event log via ioctl=MPTEVENTREPORT
+	 */
+	if(ioc->aen_event_read_flag)
+		return 1;
+
+	/* Signal only for the events that are
+	 * requested for by the application
+	 */
+	if (ioc->events && (ioc->eventTypes & ( 1 << event))) {
+		ioc->aen_event_read_flag=1;
+		dctlprintk(("Raised SIGIO to application\n"));
+		devtprintk(("Raised SIGIO to application\n"));
+		kill_fasync(&async_queue, SIGIO, POLL_IN);
+	}
+	return 1;
+}
+
+static int
+mptctl_fasync(int fd, struct file *filep, int mode)
+{
+	MPT_ADAPTER	*ioc;
+
+	list_for_each_entry(ioc, &ioc_list, list)
+		ioc->aen_event_read_flag=0;
+
+	dctlprintk(("%s() called\n", __FUNCTION__));
+	return fasync_helper(fd, filep, mode, &async_queue);
+}
+
+static int
+mptctl_release(struct inode *inode, struct file *filep)
+{
+	dctlprintk(("%s() called\n", __FUNCTION__));
+	return fasync_helper(-1, filep, 0, &async_queue);
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*
  *  MPT ioctl handler
  *  cmd - specify the particular IOCTL command to be issued
@@ -674,22 +743,23 @@ mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
 	u16			 iocstat;
 	pFWDownloadReply_t	 ReplyMsg = NULL;
 
-	dctlprintk((KERN_INFO "mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id));
+	dctlprintk(("mptctl_do_fwdl called. mptctl_id = %xh.\n", mptctl_id));
 
-	dctlprintk((KERN_INFO "DbG: kfwdl.bufp  = %p\n", ufwbuf));
-	dctlprintk((KERN_INFO "DbG: kfwdl.fwlen = %d\n", (int)fwlen));
-	dctlprintk((KERN_INFO "DbG: kfwdl.ioc   = %04xh\n", ioc));
+	dctlprintk(("DbG: kfwdl.bufp  = %p\n", ufwbuf));
+	dctlprintk(("DbG: kfwdl.fwlen = %d\n", (int)fwlen));
+	dctlprintk(("DbG: kfwdl.ioc   = %04xh\n", ioc));
 
-	if ((ioc = mpt_verify_adapter(ioc, &iocp)) < 0) {
-		dctlprintk(("%s@%d::_ioctl_fwdl - ioc%d not found!\n",
-				__FILE__, __LINE__, ioc));
+	if (mpt_verify_adapter(ioc, &iocp) < 0) {
+		dctlprintk(("ioctl_fwdl - ioc%d not found!\n",
+				 ioc));
 		return -ENODEV; /* (-6) No such device or address */
-	}
+	} else {
 
-	/*  Valid device. Get a message frame and construct the FW download message.
-	 */
-	if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
-		return -EAGAIN;
+		/*  Valid device. Get a message frame and construct the FW download message.
+	 	*/
+		if ((mf = mpt_get_msg_frame(mptctl_id, iocp)) == NULL)
+			return -EAGAIN;
+	}
 	dlmsg = (FWDownload_t*) mf;
 	ptsge = (FWDownloadTCSGE_t *) &dlmsg->SGL;
 	sgOut = (char *) (ptsge + 1);
@@ -702,7 +772,11 @@ mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
 	dlmsg->ChainOffset = 0;
 	dlmsg->Function = MPI_FUNCTION_FW_DOWNLOAD;
 	dlmsg->Reserved1[0] = dlmsg->Reserved1[1] = dlmsg->Reserved1[2] = 0;
-	dlmsg->MsgFlags = 0;
+	if (iocp->facts.MsgVersion >= MPI_VERSION_01_05)
+		dlmsg->MsgFlags = MPI_FW_DOWNLOAD_MSGFLGS_LAST_SEGMENT;
+	else
+		dlmsg->MsgFlags = 0;
+
 
 	/* Set up the Transaction SGE.
 	 */
@@ -754,7 +828,7 @@ mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
 		goto fwdl_out;
 	}
 
-	dctlprintk((KERN_INFO "DbG: sgl buffer  = %p, sgfrags = %d\n", sgl, numfrags));
+	dctlprintk(("DbG: sgl buffer  = %p, sgfrags = %d\n", sgl, numfrags));
 
 	/*
 	 * Parse SG list, copying sgl itself,
@@ -803,11 +877,11 @@ mptctl_do_fw_download(int ioc, char __user *ufwbuf, size_t fwlen)
 	/*
 	 * Finally, perform firmware download.
 	 */
-	iocp->ioctl->wait_done = 0;
+	ReplyMsg = NULL;
 	mpt_put_msg_frame(mptctl_id, iocp, mf);
 
 	/* Now wait for the command to complete */
-	ret = wait_event_interruptible_timeout(mptctl_wait,
+	ret = wait_event_timeout(mptctl_wait,
 	     iocp->ioctl->wait_done == 1,
 	     HZ*60);
 
@@ -1145,7 +1219,9 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
 	/* Fill in the data and return the structure to the calling
 	 * program
 	 */
-	if (ioc->bus_type == FC)
+	if (ioc->bus_type == SAS)
+		karg->adapterType = MPT_IOCTL_INTERFACE_SAS;
+	else if (ioc->bus_type == FC)
 		karg->adapterType = MPT_IOCTL_INTERFACE_FC;
 	else
 		karg->adapterType = MPT_IOCTL_INTERFACE_SCSI;
@@ -1170,12 +1246,11 @@ mptctl_getiocinfo (unsigned long arg, unsigned int data_size)
 		karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
 		karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
 	} else if (cim_rev == 2) {
-		/* Get the PCI bus, device, function and segment ID numbers 
+		/* Get the PCI bus, device, function and segment ID numbers
 		   for the IOC */
 		karg->pciInfo.u.bits.busNumber = pdev->bus->number;
 		karg->pciInfo.u.bits.deviceNumber = PCI_SLOT( pdev->devfn );
 		karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
-		karg->pciInfo.u.bits.functionNumber = PCI_FUNC( pdev->devfn );
 		karg->pciInfo.segmentID = pci_domain_nr(pdev->bus);
 	}
 
@@ -1500,7 +1575,7 @@ mptctl_eventquery (unsigned long arg)
 		return -ENODEV;
 	}
 
-	karg.eventEntries = ioc->eventLogSize;
+	karg.eventEntries = MPTCTL_EVENT_LOG_SIZE;
 	karg.eventTypes = ioc->eventTypes;
 
 	/* Copy the data from kernel memory to user memory
@@ -1550,7 +1625,6 @@ mptctl_eventenable (unsigned long arg)
 		memset(ioc->events, 0, sz);
 		ioc->alloc_total += sz;
 
-		ioc->eventLogSize = MPTCTL_EVENT_LOG_SIZE;
 		ioc->eventContext = 0;
         }
 
@@ -1590,7 +1664,7 @@ mptctl_eventreport (unsigned long arg)
 	maxEvents = numBytes/sizeof(MPT_IOCTL_EVENTS);
 
 
-	max = ioc->eventLogSize < maxEvents ? ioc->eventLogSize : maxEvents;
+	max = MPTCTL_EVENT_LOG_SIZE < maxEvents ? MPTCTL_EVENT_LOG_SIZE : maxEvents;
 
 	/* If fewer than 1 event is requested, there must have
 	 * been some type of error.
@@ -1598,6 +1672,9 @@ mptctl_eventreport (unsigned long arg)
 	if ((max < 1) || !ioc->events)
 		return -ENODATA;
 
+	/* reset this flag so SIGIO can restart */
+	ioc->aen_event_read_flag=0;
+
 	/* Copy the data from kernel memory to user memory
 	 */
 	numBytes = max * sizeof(MPT_IOCTL_EVENTS);
@@ -1817,6 +1894,8 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 	case MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR:
 	case MPI_FUNCTION_FW_DOWNLOAD:
 	case MPI_FUNCTION_FC_PRIMITIVE_SEND:
+	case MPI_FUNCTION_TOOLBOX:
+	case MPI_FUNCTION_SAS_IO_UNIT_CONTROL:
 		break;
 
 	case MPI_FUNCTION_SCSI_IO_REQUEST:
@@ -1837,7 +1916,9 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 				goto done_free_mem;
 			}
 
-			pScsiReq->MsgFlags = mpt_msg_flags();
+			pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
+			pScsiReq->MsgFlags |= mpt_msg_flags();
+
 
 			/* verify that app has not requested
 			 *	more sense data than driver
@@ -1888,6 +1969,25 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 		}
 		break;
 
+	case MPI_FUNCTION_SMP_PASSTHROUGH:
+		/* Check mf->PassthruFlags to determine if
+		 * transfer is ImmediateMode or not.
+		 * Immediate mode returns data in the ReplyFrame.
+		 * Else, we are sending request and response data
+		 * in two SGLs at the end of the mf.
+		 */
+		break;
+
+	case MPI_FUNCTION_SATA_PASSTHROUGH:
+		if (!ioc->sh) {
+			printk(KERN_ERR "%s@%d::mptctl_do_mpt_command - "
+				"SCSI driver is not loaded. \n",
+					__FILE__, __LINE__);
+			rc = -EFAULT;
+			goto done_free_mem;
+		}
+		break;
+
 	case MPI_FUNCTION_RAID_ACTION:
 		/* Just add a SGE
 		 */
@@ -1900,7 +2000,9 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 			int scsidir = MPI_SCSIIO_CONTROL_READ;
 			int dataSize;
 
-			pScsiReq->MsgFlags = mpt_msg_flags();
+			pScsiReq->MsgFlags &= ~MPI_SCSIIO_MSGFLGS_SENSE_WIDTH;
+			pScsiReq->MsgFlags |= mpt_msg_flags();
+
 
 			/* verify that app has not requested
 			 *	more sense data than driver
@@ -2130,7 +2232,7 @@ mptctl_do_mpt_command (struct mpt_ioctl_command karg, void __user *mfPtr)
 
 	/* Now wait for the command to complete */
 	timeout = (karg.timeout > 0) ? karg.timeout : MPT_IOCTL_DEFAULT_TIMEOUT;
-	timeout = wait_event_interruptible_timeout(mptctl_wait,
+	timeout = wait_event_timeout(mptctl_wait,
 	     ioc->ioctl->wait_done == 1,
 	     HZ*timeout);
 
@@ -2246,13 +2348,16 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
 	hp_host_info_t	__user *uarg = (void __user *) arg;
 	MPT_ADAPTER		*ioc;
 	struct pci_dev		*pdev;
-	char			*pbuf;
+	char                    *pbuf=NULL;
 	dma_addr_t		buf_dma;
 	hp_host_info_t		karg;
 	CONFIGPARMS		cfg;
 	ConfigPageHeader_t	hdr;
 	int			iocnum;
 	int			rc, cim_rev;
+	ToolboxIstwiReadWriteRequest_t	*IstwiRWRequest;
+	MPT_FRAME_HDR		*mf = NULL;
+	MPIHeader_t		*mpi_hdr;
 
 	dctlprintk((": mptctl_hp_hostinfo called.\n"));
 	/* Reset long to int. Should affect IA64 and SPARC only
@@ -2370,7 +2475,7 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
 
 	karg.base_io_addr = pci_resource_start(pdev, 0);
 
-	if (ioc->bus_type == FC)
+	if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
 		karg.bus_phys_width = HP_BUS_WIDTH_UNK;
 	else
 		karg.bus_phys_width = HP_BUS_WIDTH_16;
@@ -2388,20 +2493,67 @@ mptctl_hp_hostinfo(unsigned long arg, unsigned int data_size)
 		}
 	}
 
-	cfg.pageAddr = 0;
-	cfg.action = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
-	cfg.dir = MPI_TB_ISTWI_FLAGS_READ;
-	cfg.timeout = 10;
+	/* 
+	 * Gather ISTWI(Industry Standard Two Wire Interface) Data
+	 */
+	if ((mf = mpt_get_msg_frame(mptctl_id, ioc)) == NULL) {
+		dfailprintk((MYIOC_s_WARN_FMT "%s, no msg frames!!\n",
+		    ioc->name,__FUNCTION__));
+		goto out;
+	}
+
+	IstwiRWRequest = (ToolboxIstwiReadWriteRequest_t *)mf;
+	mpi_hdr = (MPIHeader_t *) mf;
+	memset(IstwiRWRequest,0,sizeof(ToolboxIstwiReadWriteRequest_t));
+	IstwiRWRequest->Function = MPI_FUNCTION_TOOLBOX;
+	IstwiRWRequest->Tool = MPI_TOOLBOX_ISTWI_READ_WRITE_TOOL;
+	IstwiRWRequest->MsgContext = mpi_hdr->MsgContext;
+	IstwiRWRequest->Flags = MPI_TB_ISTWI_FLAGS_READ;
+	IstwiRWRequest->NumAddressBytes = 0x01;
+	IstwiRWRequest->DataLength = cpu_to_le16(0x04);
+	if (pdev->devfn & 1)
+		IstwiRWRequest->DeviceAddr = 0xB2;
+	else
+		IstwiRWRequest->DeviceAddr = 0xB0;
+
 	pbuf = pci_alloc_consistent(ioc->pcidev, 4, &buf_dma);
-	if (pbuf) {
-		cfg.physAddr = buf_dma;
-		if ((mpt_toolbox(ioc, &cfg)) == 0) {
-			karg.rsvd = *(u32 *)pbuf;
-		}
-		pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
-		pbuf = NULL;
+	if (!pbuf)
+		goto out;
+	mpt_add_sge((char *)&IstwiRWRequest->SGL,
+	    (MPT_SGE_FLAGS_SSIMPLE_READ|4), buf_dma);
+
+	ioc->ioctl->wait_done = 0;
+	mpt_put_msg_frame(mptctl_id, ioc, mf);
+
+	rc = wait_event_timeout(mptctl_wait,
+	     ioc->ioctl->wait_done == 1,
+	     HZ*MPT_IOCTL_DEFAULT_TIMEOUT /* 10 sec */);
+
+	if(rc <=0 && (ioc->ioctl->wait_done != 1 )) {
+		/* 
+		 * Now we need to reset the board
+		 */
+		mpt_free_msg_frame(ioc, mf);
+		mptctl_timeout_expired(ioc->ioctl);
+		goto out;
 	}
 
+	/* 
+	 *ISTWI Data Definition
+	 * pbuf[0] = FW_VERSION = 0x4
+	 * pbuf[1] = Bay Count = 6 or 4 or 2, depending on
+	 *  the config, you should be seeing one out of these three values
+	 * pbuf[2] = Drive Installed Map = bit pattern depend on which
+	 *   bays have drives in them
+	 * pbuf[3] = Checksum (0x100 = (byte0 + byte2 + byte3)
+	 */
+	if (ioc->ioctl->status & MPT_IOCTL_STATUS_RF_VALID)
+		karg.rsvd = *(u32 *)pbuf;
+
+ out:
+	if (pbuf)
+		pci_free_consistent(ioc->pcidev, 4, pbuf, buf_dma);
+
 	/* Copy the data from kernel memory to user memory
 	 */
 	if (copy_to_user((char __user *)arg, &karg, sizeof(hp_host_info_t))) {
@@ -2459,7 +2611,7 @@ mptctl_hp_targetinfo(unsigned long arg)
 
 	/*  There is nothing to do for FCP parts.
 	 */
-	if (ioc->bus_type == FC)
+	if ((ioc->bus_type == SAS) || (ioc->bus_type == FC))
 		return 0;
 
 	if ((ioc->spi_data.sdp0length == 0) || (ioc->sh == NULL))
@@ -2569,6 +2721,8 @@ mptctl_hp_targetinfo(unsigned long arg)
 static struct file_operations mptctl_fops = {
 	.owner =	THIS_MODULE,
 	.llseek =	no_llseek,
+	.release =	mptctl_release,
+	.fasync = 	mptctl_fasync,
 	.unlocked_ioctl = mptctl_ioctl,
 #ifdef CONFIG_COMPAT
 	.compat_ioctl = compat_mpctl_ioctl,
@@ -2813,6 +2967,11 @@ static int __init mptctl_init(void)
 		/* FIXME! */
 	}
 
+	if (mpt_event_register(mptctl_id, mptctl_event_process) == 0) {
+		devtprintk((KERN_INFO MYNAM
+		  ": Registered for IOC event notifications\n"));
+	}
+
 	return 0;
 
 out_fail:
diff --git a/drivers/message/fusion/mptctl.h b/drivers/message/fusion/mptctl.h
index 518996e0348..a2f8a97992e 100644
--- a/drivers/message/fusion/mptctl.h
+++ b/drivers/message/fusion/mptctl.h
@@ -169,8 +169,10 @@ struct mpt_ioctl_pci_info2 {
  *  Read only.
  *  Data starts at offset 0xC
  */
-#define MPT_IOCTL_INTERFACE_FC		(0x01)
 #define MPT_IOCTL_INTERFACE_SCSI	(0x00)
+#define MPT_IOCTL_INTERFACE_FC		(0x01)
+#define MPT_IOCTL_INTERFACE_FC_IP	(0x02)
+#define MPT_IOCTL_INTERFACE_SAS		(0x03)
 #define MPT_IOCTL_VERSION_LENGTH	(32)
 
 struct mpt_ioctl_iocinfo {
diff --git a/drivers/message/fusion/mptfc.c b/drivers/message/fusion/mptfc.c
index b102c7666d0..c3a3499bce2 100644
--- a/drivers/message/fusion/mptfc.c
+++ b/drivers/message/fusion/mptfc.c
@@ -93,10 +93,11 @@ static int	mptfcDoneCtx = -1;
 static int	mptfcTaskCtx = -1;
 static int	mptfcInternalCtx = -1; /* Used only for internal commands */
 
-int mptfc_slave_alloc(struct scsi_device *device);
+static int mptfc_target_alloc(struct scsi_target *starget);
+static int mptfc_slave_alloc(struct scsi_device *sdev);
 static int mptfc_qcmd(struct scsi_cmnd *SCpnt,
-    void (*done)(struct scsi_cmnd *));
-
+		      void (*done)(struct scsi_cmnd *));
+static void mptfc_target_destroy(struct scsi_target *starget);
 static void mptfc_set_rport_loss_tmo(struct fc_rport *rport, uint32_t timeout);
 static void __devexit mptfc_remove(struct pci_dev *pdev);
 
@@ -107,10 +108,10 @@ static struct scsi_host_template mptfc_driver_template = {
 	.name				= "MPT FC Host",
 	.info				= mptscsih_info,
 	.queuecommand			= mptfc_qcmd,
-	.target_alloc			= mptscsih_target_alloc,
+	.target_alloc			= mptfc_target_alloc,
 	.slave_alloc			= mptfc_slave_alloc,
 	.slave_configure		= mptscsih_slave_configure,
-	.target_destroy			= mptscsih_target_destroy,
+	.target_destroy			= mptfc_target_destroy,
 	.slave_destroy			= mptscsih_slave_destroy,
 	.change_queue_depth 		= mptscsih_change_queue_depth,
 	.eh_abort_handler		= mptscsih_abort,
@@ -348,14 +349,33 @@ mptfc_generate_rport_ids(FCDevicePage0_t *pg0, struct fc_rport_identifiers *rid)
 }
 
 static void
+mptfc_remap_sdev(struct scsi_device *sdev, void *arg)
+{
+	VirtDevice		*vdev;
+	VirtTarget		*vtarget;
+	struct scsi_target	*starget;
+
+	starget = scsi_target(sdev);
+	if (starget->hostdata == arg) {
+		vtarget = arg;
+		vdev = sdev->hostdata;
+		if (vdev) {
+			vdev->bus_id = vtarget->bus_id;
+			vdev->target_id = vtarget->target_id;
+		}
+	}
+}
+
+static void
 mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
 {
 	struct fc_rport_identifiers rport_ids;
 	struct fc_rport		*rport;
 	struct mptfc_rport_info	*ri;
-	int			match = 0;
-	u64			port_name;
+	int			new_ri = 1;
+	u64			pn;
 	unsigned long		flags;
+	VirtTarget		*vtarget;
 
 	if (mptfc_generate_rport_ids(pg0, &rport_ids) < 0)
 		return;
@@ -363,14 +383,14 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
 	/* scan list looking for a match */
 	spin_lock_irqsave(&ioc->fc_rport_lock, flags);
 	list_for_each_entry(ri, &ioc->fc_rports, list) {
-		port_name = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
-		if (port_name == rport_ids.port_name) {	/* match */
+		pn = (u64)ri->pg0.WWPN.High << 32 | (u64)ri->pg0.WWPN.Low;
+		if (pn == rport_ids.port_name) {	/* match */
 			list_move_tail(&ri->list, &ioc->fc_rports);
-			match = 1;
+			new_ri = 0;
 			break;
 		}
 	}
-	if (!match) {	/* allocate one */
+	if (new_ri) {	/* allocate one */
 		spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
 		ri = kzalloc(sizeof(struct mptfc_rport_info), GFP_KERNEL);
 		if (!ri)
@@ -382,40 +402,43 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
 	ri->pg0 = *pg0;	/* add/update pg0 data */
 	ri->flags &= ~MPT_RPORT_INFO_FLAGS_MISSING;
 
+	/* MPT_RPORT_INFO_FLAGS_REGISTERED - rport not previously deleted */
 	if (!(ri->flags & MPT_RPORT_INFO_FLAGS_REGISTERED)) {
 		ri->flags |= MPT_RPORT_INFO_FLAGS_REGISTERED;
 		spin_unlock_irqrestore(&ioc->fc_rport_lock, flags);
-		rport = fc_remote_port_add(ioc->sh,channel, &rport_ids);
+		rport = fc_remote_port_add(ioc->sh, channel, &rport_ids);
 		spin_lock_irqsave(&ioc->fc_rport_lock, flags);
 		if (rport) {
-			if (*((struct mptfc_rport_info **)rport->dd_data) != ri) {
-				ri->flags &= ~MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
-				ri->vdev = NULL;
-				ri->rport = rport;
-				*((struct mptfc_rport_info **)rport->dd_data) = ri;
-			}
-			rport->dev_loss_tmo = mptfc_dev_loss_tmo;
+			ri->rport = rport;
+			if (new_ri) /* may have been reset by user */
+				rport->dev_loss_tmo = mptfc_dev_loss_tmo;
+			*((struct mptfc_rport_info **)rport->dd_data) = ri;
 			/*
 			 * if already mapped, remap here.  If not mapped,
-			 * slave_alloc will allocate vdev and map
+			 * target_alloc will allocate vtarget and map,
+			 * slave_alloc will fill in vdev from vtarget.
 			 */
-			if (ri->flags & MPT_RPORT_INFO_FLAGS_MAPPED_VDEV) {
-				ri->vdev->target_id = ri->pg0.CurrentTargetID;
-				ri->vdev->bus_id = ri->pg0.CurrentBus;
-				ri->vdev->vtarget->target_id = ri->vdev->target_id;
-				ri->vdev->vtarget->bus_id = ri->vdev->bus_id;
+			if (ri->starget) {
+				vtarget = ri->starget->hostdata;
+				if (vtarget) {
+					vtarget->target_id = pg0->CurrentTargetID;
+					vtarget->bus_id = pg0->CurrentBus;
+					starget_for_each_device(ri->starget,
+						vtarget,mptfc_remap_sdev);
+				}
+				ri->remap_needed = 0;
 			}
-			#ifdef MPT_DEBUG
-			printk ("mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
+			dfcprintk ((MYIOC_s_INFO_FMT
+				"mptfc_reg_dev.%d: %x, %llx / %llx, tid %d, "
 				"rport tid %d, tmo %d\n",
-					ioc->sh->host_no,
+					ioc->name,
+					oc->sh->host_no,
 					pg0->PortIdentifier,
 					pg0->WWNN,
 					pg0->WWPN,
 					pg0->CurrentTargetID,
 					ri->rport->scsi_target_id,
-					ri->rport->dev_loss_tmo);
-			#endif
+					ri->rport->dev_loss_tmo));
 		} else {
 			list_del(&ri->list);
 			kfree(ri);
@@ -427,6 +450,65 @@ mptfc_register_dev(MPT_ADAPTER *ioc, int channel, FCDevicePage0_t *pg0)
 }
 
 /*
+ *	OS entry point to allow for host driver to free allocated memory
+ *	Called if no device present or device being unloaded
+ */
+static void
+mptfc_target_destroy(struct scsi_target *starget)
+{
+	struct fc_rport		*rport;
+	struct mptfc_rport_info *ri;
+
+	rport = starget_to_rport(starget);
+	if (rport) {
+		ri = *((struct mptfc_rport_info **)rport->dd_data);
+		if (ri)	/* better be! */
+			ri->starget = NULL;
+	}
+	if (starget->hostdata)
+		kfree(starget->hostdata);
+	starget->hostdata = NULL;
+}
+
+/*
+ *	OS entry point to allow host driver to alloc memory
+ *	for each scsi target. Called once per device the bus scan.
+ *	Return non-zero if allocation fails.
+ */
+static int
+mptfc_target_alloc(struct scsi_target *starget)
+{
+	VirtTarget		*vtarget;
+	struct fc_rport		*rport;
+	struct mptfc_rport_info *ri;
+	int			rc;
+
+	vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
+	if (!vtarget)
+		return -ENOMEM;
+	starget->hostdata = vtarget;
+
+	rc = -ENODEV;
+	rport = starget_to_rport(starget);
+	if (rport) {
+		ri = *((struct mptfc_rport_info **)rport->dd_data);
+		if (ri) {	/* better be! */
+			vtarget->target_id = ri->pg0.CurrentTargetID;
+			vtarget->bus_id = ri->pg0.CurrentBus;
+			ri->starget = starget;
+			ri->remap_needed = 0;
+			rc = 0;
+		}
+	}
+	if (rc != 0) {
+		kfree(vtarget);
+		starget->hostdata = NULL;
+	}
+
+	return rc;
+}
+
+/*
  *	OS entry point to allow host driver to alloc memory
  *	for each scsi device. Called once per device the bus scan.
  *	Return non-zero if allocation fails.
@@ -440,7 +522,6 @@ mptfc_slave_alloc(struct scsi_device *sdev)
 	VirtDevice		*vdev;
 	struct scsi_target	*starget;
 	struct fc_rport		*rport;
-	struct mptfc_rport_info *ri;
 	unsigned long		flags;
 
 
@@ -451,55 +532,44 @@ mptfc_slave_alloc(struct scsi_device *sdev)
 
 	hd = (MPT_SCSI_HOST *)sdev->host->hostdata;
 
-	vdev = kmalloc(sizeof(VirtDevice), GFP_KERNEL);
+	vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
 	if (!vdev) {
 		printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
 				hd->ioc->name, sizeof(VirtDevice));
 		return -ENOMEM;
 	}
-	memset(vdev, 0, sizeof(VirtDevice));
 
 	spin_lock_irqsave(&hd->ioc->fc_rport_lock,flags);
 
-	if (!(ri = *((struct mptfc_rport_info **)rport->dd_data))) {
-		spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
-		kfree(vdev);
-		return -ENODEV;
-	}
-
 	sdev->hostdata = vdev;
 	starget = scsi_target(sdev);
 	vtarget = starget->hostdata;
+
 	if (vtarget->num_luns == 0) {
+		vtarget->ioc_id = hd->ioc->id;
 		vtarget->tflags = MPT_TARGET_FLAGS_Q_YES |
 		    		  MPT_TARGET_FLAGS_VALID_INQUIRY;
 		hd->Targets[sdev->id] = vtarget;
 	}
 
-	vtarget->target_id = vdev->target_id;
-	vtarget->bus_id = vdev->bus_id;
-
 	vdev->vtarget = vtarget;
 	vdev->ioc_id = hd->ioc->id;
 	vdev->lun = sdev->lun;
-	vdev->target_id = ri->pg0.CurrentTargetID;
-	vdev->bus_id = ri->pg0.CurrentBus;
-
-	ri->flags |= MPT_RPORT_INFO_FLAGS_MAPPED_VDEV;
-	ri->vdev = vdev;
+	vdev->target_id = vtarget->target_id;
+	vdev->bus_id = vtarget->bus_id;
 
 	spin_unlock_irqrestore(&hd->ioc->fc_rport_lock,flags);
 
 	vtarget->num_luns++;
 
-#ifdef MPT_DEBUG
-	printk ("mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
+	dfcprintk ((MYIOC_s_INFO_FMT
+		"mptfc_slv_alloc.%d: num_luns %d, sdev.id %d, "
 	        "CurrentTargetID %d, %x %llx %llx\n",
-			sdev->host->host_no,
-			vtarget->num_luns,
-			sdev->id, ri->pg0.CurrentTargetID,
-			ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN);
-#endif
+		ioc->name,
+		sdev->host->host_no,
+		vtarget->num_luns,
+		sdev->id, ri->pg0.CurrentTargetID,
+		ri->pg0.PortIdentifier, ri->pg0.WWPN, ri->pg0.WWNN));
 
 	return 0;
 }
@@ -507,6 +577,7 @@ mptfc_slave_alloc(struct scsi_device *sdev)
 static int
 mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 {
+	struct mptfc_rport_info	*ri;
 	struct fc_rport	*rport = starget_to_rport(scsi_target(SCpnt->device));
 	int		err;
 
@@ -516,6 +587,10 @@ mptfc_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 		done(SCpnt);
 		return 0;
 	}
+	ri = *((struct mptfc_rport_info **)rport->dd_data);
+	if (unlikely(ri->remap_needed))
+		return SCSI_MLQUEUE_HOST_BUSY;
+
 	return mptscsih_qcmd(SCpnt,done);
 }
 
@@ -591,16 +666,20 @@ mptfc_rescan_devices(void *arg)
 
 				ri->flags &= ~(MPT_RPORT_INFO_FLAGS_REGISTERED|
 					       MPT_RPORT_INFO_FLAGS_MISSING);
+				ri->remap_needed = 1;
 				fc_remote_port_delete(ri->rport);
 				/*
 				 * remote port not really deleted 'cause
 				 * binding is by WWPN and driver only
-				 * registers FCP_TARGETs
+				 * registers FCP_TARGETs but cannot trust
+				 * data structures.
 				 */
-				#ifdef MPT_DEBUG
-				printk ("mptfc_rescan.%d: %llx deleted\n",
-					ioc->sh->host_no, ri->pg0.WWPN);
-				#endif
+				ri->rport = NULL;
+				dfcprintk ((MYIOC_s_INFO_FMT
+					"mptfc_rescan.%d: %llx deleted\n",
+					ioc->name,
+					ioc->sh->host_no,
+					ri->pg0.WWPN));
 			}
 		}
 		spin_unlock_irqrestore(&ioc->fc_rport_lock,flags);
@@ -872,9 +951,8 @@ mptfc_init(void)
 	}
 
 	error = pci_register_driver(&mptfc_driver);
-	if (error) {
+	if (error)
 		fc_release_transport(mptfc_transport_template);
-	}
 
 	return error;
 }
@@ -885,7 +963,8 @@ mptfc_init(void)
  *	@pdev: Pointer to pci_dev structure
  *
  */
-static void __devexit mptfc_remove(struct pci_dev *pdev)
+static void __devexit
+mptfc_remove(struct pci_dev *pdev)
 {
 	MPT_ADAPTER *ioc = pci_get_drvdata(pdev);
 	struct mptfc_rport_info *p, *n;
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 5a06d8d8694..2512d0e6155 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -89,6 +89,8 @@ static int	mptsasMgmtCtx = -1;
 enum mptsas_hotplug_action {
 	MPTSAS_ADD_DEVICE,
 	MPTSAS_DEL_DEVICE,
+	MPTSAS_ADD_RAID,
+	MPTSAS_DEL_RAID,
 };
 
 struct mptsas_hotplug_event {
@@ -114,6 +116,7 @@ struct mptsas_hotplug_event {
 
 struct mptsas_devinfo {
 	u16	handle;		/* unique id to address this device */
+	u16	handle_parent;	/* unique id to address parent device */
 	u8	phy_id;		/* phy number of parent device */
 	u8	port_id;	/* sas physical port this device
 				   is assoc'd with */
@@ -301,9 +304,8 @@ mptsas_slave_alloc(struct scsi_device *sdev)
 	}
 	mutex_unlock(&hd->ioc->sas_topology_mutex);
 
-	printk("No matching SAS device found!!\n");
 	kfree(vdev);
-	return -ENODEV;
+	return -ENXIO;
 
  out:
 	vtarget->ioc_id = vdev->ioc_id;
@@ -321,6 +323,7 @@ mptsas_slave_destroy(struct scsi_device *sdev)
 	struct sas_rphy *rphy;
 	struct mptsas_portinfo *p;
 	int i;
+	VirtDevice *vdev;
 
 	/*
 	 * Handle hotplug removal case.
@@ -344,8 +347,29 @@ mptsas_slave_destroy(struct scsi_device *sdev)
  out:
 	mutex_unlock(&hd->ioc->sas_topology_mutex);
 	/*
-	 * TODO: Issue target reset to flush firmware outstanding commands.
+	 * Issue target reset to flush firmware outstanding commands.
 	 */
+	vdev = sdev->hostdata;
+	if (vdev->configured_lun){
+		if (mptscsih_TMHandler(hd,
+		     MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
+		     vdev->bus_id,
+		     vdev->target_id,
+		     0, 0, 5 /* 5 second timeout */)
+		     < 0){
+
+			/* The TM request failed!
+			 * Fatal error case.
+			 */
+			printk(MYIOC_s_WARN_FMT
+		       "Error processing TaskMgmt id=%d TARGET_RESET\n",
+				hd->ioc->name,
+				vdev->target_id);
+
+			hd->tmPending = 0;
+			hd->tmState = TM_STATE_NONE;
+		}
+	}
 	mptscsih_slave_destroy(sdev);
 }
 
@@ -714,6 +738,7 @@ mptsas_sas_device_pg0(MPT_ADAPTER *ioc, struct mptsas_devinfo *device_info,
 	mptsas_print_device_pg0(buffer);
 
 	device_info->handle = le16_to_cpu(buffer->DevHandle);
+	device_info->handle_parent = le16_to_cpu(buffer->ParentDevHandle);
 	device_info->phy_id = buffer->PhyNum;
 	device_info->port_id = buffer->PhysicalPort;
 	device_info->id = buffer->TargetID;
@@ -863,6 +888,26 @@ mptsas_sas_expander_pg1(MPT_ADAPTER *ioc, struct mptsas_phyinfo *phy_info,
 	return error;
 }
 
+/*
+ * Returns true if there is a scsi end device
+ */
+static inline int
+mptsas_is_end_device(struct mptsas_devinfo * attached)
+{
+	if ((attached->handle) &&
+	    (attached->device_info &
+	    MPI_SAS_DEVICE_INFO_END_DEVICE) &&
+	    ((attached->device_info &
+	    MPI_SAS_DEVICE_INFO_SSP_TARGET) |
+	    (attached->device_info &
+	    MPI_SAS_DEVICE_INFO_STP_TARGET) |
+	    (attached->device_info &
+	    MPI_SAS_DEVICE_INFO_SATA_DEVICE)))
+		return 1;
+	else
+		return 0;
+}
+
 static void
 mptsas_parse_device_info(struct sas_identify *identify,
 		struct mptsas_devinfo *device_info)
@@ -1227,7 +1272,7 @@ mptsas_find_phyinfo_by_parent(MPT_ADAPTER *ioc, u16 parent_handle, u8 phy_id)
 }
 
 static struct mptsas_phyinfo *
-mptsas_find_phyinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
+mptsas_find_phyinfo_by_target(MPT_ADAPTER *ioc, u32 id)
 {
 	struct mptsas_portinfo *port_info;
 	struct mptsas_phyinfo *phy_info = NULL;
@@ -1239,12 +1284,12 @@ mptsas_find_phyinfo_by_handle(MPT_ADAPTER *ioc, u16 handle)
 	 */
 	mutex_lock(&ioc->sas_topology_mutex);
 	list_for_each_entry(port_info, &ioc->sas_topology, list) {
-		for (i = 0; i < port_info->num_phys; i++) {
-			if (port_info->phy_info[i].attached.handle == handle) {
-				phy_info = &port_info->phy_info[i];
-				break;
-			}
-		}
+		for (i = 0; i < port_info->num_phys; i++)
+			if (mptsas_is_end_device(&port_info->phy_info[i].attached))
+				if (port_info->phy_info[i].attached.id == id) {
+					phy_info = &port_info->phy_info[i];
+					break;
+				}
 	}
 	mutex_unlock(&ioc->sas_topology_mutex);
 
@@ -1258,36 +1303,58 @@ mptsas_hotplug_work(void *arg)
 	MPT_ADAPTER *ioc = ev->ioc;
 	struct mptsas_phyinfo *phy_info;
 	struct sas_rphy *rphy;
+	struct scsi_device *sdev;
 	char *ds = NULL;
-
-	if (ev->device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET)
-		ds = "ssp";
-	if (ev->device_info & MPI_SAS_DEVICE_INFO_STP_TARGET)
-		ds = "stp";
-	if (ev->device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
-		ds = "sata";
+	struct mptsas_devinfo sas_device;
 
 	switch (ev->event_type) {
 	case MPTSAS_DEL_DEVICE:
-		printk(MYIOC_s_INFO_FMT
-		       "removing %s device, channel %d, id %d, phy %d\n",
-		       ioc->name, ds, ev->channel, ev->id, ev->phy_id);
 
-		phy_info = mptsas_find_phyinfo_by_handle(ioc, ev->handle);
+		phy_info = mptsas_find_phyinfo_by_target(ioc, ev->id);
 		if (!phy_info) {
 			printk("mptsas: remove event for non-existant PHY.\n");
 			break;
 		}
 
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET)
+			ds = "ssp";
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET)
+			ds = "stp";
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
+			ds = "sata";
+
+		printk(MYIOC_s_INFO_FMT
+		       "removing %s device, channel %d, id %d, phy %d\n",
+		       ioc->name, ds, ev->channel, ev->id, phy_info->phy_id);
+
 		if (phy_info->rphy) {
 			sas_rphy_delete(phy_info->rphy);
 			phy_info->rphy = NULL;
 		}
 		break;
 	case MPTSAS_ADD_DEVICE:
-		printk(MYIOC_s_INFO_FMT
-		       "attaching %s device, channel %d, id %d, phy %d\n",
-		       ioc->name, ds, ev->channel, ev->id, ev->phy_id);
+
+		/*
+		 * When there is no sas address,
+		 * RAID volumes are being deleted,
+		 * and hidden phy disk are being added.
+		 * We don't know the SAS data yet,
+		 * so lookup sas device page to get
+		 * pertaining info
+		 */
+		if (!ev->sas_address) {
+			if (mptsas_sas_device_pg0(ioc,
+			    &sas_device, ev->id,
+			    (MPI_SAS_DEVICE_PGAD_FORM_BUS_TARGET_ID <<
+			     MPI_SAS_DEVICE_PGAD_FORM_SHIFT)))
+				break;
+			ev->handle = sas_device.handle;
+			ev->parent_handle = sas_device.handle_parent;
+			ev->channel = sas_device.channel;
+			ev->phy_id = sas_device.phy_id;
+			ev->sas_address = sas_device.sas_address;
+			ev->device_info = sas_device.device_info;
+		}
 
 		phy_info = mptsas_find_phyinfo_by_parent(ioc,
 				ev->parent_handle, ev->phy_id);
@@ -1310,10 +1377,23 @@ mptsas_hotplug_work(void *arg)
 		phy_info->attached.sas_address = ev->sas_address;
 		phy_info->attached.device_info = ev->device_info;
 
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SSP_TARGET)
+			ds = "ssp";
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_STP_TARGET)
+			ds = "stp";
+		if (phy_info->attached.device_info & MPI_SAS_DEVICE_INFO_SATA_DEVICE)
+			ds = "sata";
+
+		printk(MYIOC_s_INFO_FMT
+		       "attaching %s device, channel %d, id %d, phy %d\n",
+		       ioc->name, ds, ev->channel, ev->id, ev->phy_id);
+
+
 		rphy = sas_rphy_alloc(phy_info->phy);
 		if (!rphy)
 			break; /* non-fatal: an rphy can be added later */
 
+		rphy->scsi_target_id = phy_info->attached.id;
 		mptsas_parse_device_info(&rphy->identify, &phy_info->attached);
 		if (sas_rphy_add(rphy)) {
 			sas_rphy_free(rphy);
@@ -1322,6 +1402,40 @@ mptsas_hotplug_work(void *arg)
 
 		phy_info->rphy = rphy;
 		break;
+	case MPTSAS_ADD_RAID:
+		sdev = scsi_device_lookup(
+			ioc->sh,
+			ioc->num_ports,
+			ev->id,
+			0);
+		if (sdev) {
+			scsi_device_put(sdev);
+			break;
+		}
+		printk(MYIOC_s_INFO_FMT
+		       "attaching device, channel %d, id %d\n",
+		       ioc->name, ioc->num_ports, ev->id);
+		scsi_add_device(ioc->sh,
+			ioc->num_ports,
+			ev->id,
+			0);
+		mpt_findImVolumes(ioc);
+		break;
+	case MPTSAS_DEL_RAID:
+		sdev = scsi_device_lookup(
+			ioc->sh,
+			ioc->num_ports,
+			ev->id,
+			0);
+		if (!sdev)
+			break;
+		printk(MYIOC_s_INFO_FMT
+		       "removing device, channel %d, id %d\n",
+		       ioc->name, ioc->num_ports, ev->id);
+		scsi_remove_device(sdev);
+		scsi_device_put(sdev);
+		mpt_findImVolumes(ioc);
+		break;
 	}
 
 	kfree(ev);
@@ -1372,23 +1486,94 @@ mptscsih_send_sas_event(MPT_ADAPTER *ioc,
 	schedule_work(&ev->work);
 }
 
+static void
+mptscsih_send_raid_event(MPT_ADAPTER *ioc,
+		EVENT_DATA_RAID *raid_event_data)
+{
+	struct mptsas_hotplug_event *ev;
+	RAID_VOL0_STATUS * volumeStatus;
+
+	if (ioc->bus_type != SAS)
+		return;
+
+	ev = kmalloc(sizeof(*ev), GFP_ATOMIC);
+	if (!ev) {
+		printk(KERN_WARNING "mptsas: lost hotplug event\n");
+		return;
+	}
+
+	memset(ev,0,sizeof(struct mptsas_hotplug_event));
+	INIT_WORK(&ev->work, mptsas_hotplug_work, ev);
+	ev->ioc = ioc;
+	ev->id = raid_event_data->VolumeID;
+
+	switch (raid_event_data->ReasonCode) {
+	case MPI_EVENT_RAID_RC_PHYSDISK_DELETED:
+		ev->event_type = MPTSAS_ADD_DEVICE;
+		break;
+	case MPI_EVENT_RAID_RC_PHYSDISK_CREATED:
+		ev->event_type = MPTSAS_DEL_DEVICE;
+		break;
+	case MPI_EVENT_RAID_RC_VOLUME_DELETED:
+		ev->event_type = MPTSAS_DEL_RAID;
+		break;
+	case MPI_EVENT_RAID_RC_VOLUME_CREATED:
+		ev->event_type = MPTSAS_ADD_RAID;
+		break;
+	case MPI_EVENT_RAID_RC_VOLUME_STATUS_CHANGED:
+		volumeStatus = (RAID_VOL0_STATUS *) &
+		    raid_event_data->SettingsStatus;
+		ev->event_type = (volumeStatus->State ==
+		    MPI_RAIDVOL0_STATUS_STATE_FAILED) ?
+		    MPTSAS_DEL_RAID : MPTSAS_ADD_RAID;
+		break;
+	default:
+		break;
+	}
+	schedule_work(&ev->work);
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+/* work queue thread to clear the persitency table */
+static void
+mptscsih_sas_persist_clear_table(void * arg)
+{
+	MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
+
+	mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT);
+}
+
 static int
 mptsas_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *reply)
 {
+	int rc=1;
 	u8 event = le32_to_cpu(reply->Event) & 0xFF;
 
 	if (!ioc->sh)
-		return 1;
+		goto out;
 
 	switch (event) {
 	case MPI_EVENT_SAS_DEVICE_STATUS_CHANGE:
 		mptscsih_send_sas_event(ioc,
 			(EVENT_DATA_SAS_DEVICE_STATUS_CHANGE *)reply->Data);
-		return 1;		/* currently means nothing really */
-
+		break;
+	case MPI_EVENT_INTEGRATED_RAID:
+		mptscsih_send_raid_event(ioc,
+			(EVENT_DATA_RAID *)reply->Data);
+		break;
+	case MPI_EVENT_PERSISTENT_TABLE_FULL:
+		INIT_WORK(&ioc->mptscsih_persistTask,
+		    mptscsih_sas_persist_clear_table,
+		    (void *)ioc);
+		schedule_work(&ioc->mptscsih_persistTask);
+		break;
 	default:
-		return mptscsih_event_process(ioc, reply);
+		rc = mptscsih_event_process(ioc, reply);
+		break;
 	}
+ out:
+
+	return rc;
 }
 
 static int
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index cdac5578fdf..4fee6befc93 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -144,7 +144,6 @@ static int	mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
 static int	mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout );
 static u32	SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
 
-static int	mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
 static int	mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
 
 int		mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
@@ -159,11 +158,9 @@ static int	mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus);
 int		mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 static int	mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
 static void	mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
-static void	mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget);
+static void	mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
 static int	mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id);
 
-static struct work_struct   mptscsih_persistTask;
-
 #ifdef MPTSCSIH_ENABLE_DOMAIN_VALIDATION
 static int	mptscsih_do_raid(MPT_SCSI_HOST *hd, u8 action, INTERNAL_CMD *io);
 static void	mptscsih_domainValidation(void *hd);
@@ -563,11 +560,24 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 	MPT_SCSI_HOST	*hd;
 	SCSIIORequest_t	*pScsiReq;
 	SCSIIOReply_t	*pScsiReply;
-	u16		 req_idx;
+	u16		 req_idx, req_idx_MR;
 
 	hd = (MPT_SCSI_HOST *) ioc->sh->hostdata;
 
 	req_idx = le16_to_cpu(mf->u.frame.hwhdr.msgctxu.fld.req_idx);
+	req_idx_MR = (mr != NULL) ?
+	    le16_to_cpu(mr->u.frame.hwhdr.msgctxu.fld.req_idx) : req_idx;
+	if ((req_idx != req_idx_MR) ||
+	    (mf->u.frame.linkage.arg1 == 0xdeadbeaf)) {
+		printk(MYIOC_s_ERR_FMT "Received a mf that was already freed\n",
+		    ioc->name);
+		printk (MYIOC_s_ERR_FMT
+		    "req_idx=%x req_idx_MR=%x mf=%p mr=%p sc=%p\n",
+		    ioc->name, req_idx, req_idx_MR, mf, mr,
+		    hd->ScsiLookup[req_idx_MR]);
+		return 0;
+	}
+
 	sc = hd->ScsiLookup[req_idx];
 	if (sc == NULL) {
 		MPIHeader_t *hdr = (MPIHeader_t *)mf;
@@ -730,6 +740,8 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 
 			break;
 
+		case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:		/* 0x0044 */
+			sc->resid=0;
 		case MPI_IOCSTATUS_SCSI_RECOVERED_ERROR:	/* 0x0040 */
 		case MPI_IOCSTATUS_SUCCESS:			/* 0x0000 */
 			if (scsi_status == MPI_SCSI_STATUS_BUSY)
@@ -789,7 +801,6 @@ mptscsih_io_done(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *mr)
 		case MPI_IOCSTATUS_INSUFFICIENT_RESOURCES:	/* 0x0006 */
 		case MPI_IOCSTATUS_INVALID_FIELD:		/* 0x0007 */
 		case MPI_IOCSTATUS_INVALID_STATE:		/* 0x0008 */
-		case MPI_IOCSTATUS_SCSI_DATA_OVERRUN:		/* 0x0044 */
 		case MPI_IOCSTATUS_SCSI_IO_DATA_ERROR:		/* 0x0046 */
 		case MPI_IOCSTATUS_SCSI_TASK_MGMT_FAILED:	/* 0x004A */
 		default:
@@ -1530,7 +1541,7 @@ mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
  *
  *	Returns 0 for SUCCESS or -1 if FAILED.
  */
-static int
+int
 mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout)
 {
 	MPT_ADAPTER	*ioc;
@@ -1721,6 +1732,20 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
 	return retval;
 }
 
+static int
+mptscsih_get_tm_timeout(MPT_ADAPTER *ioc)
+{
+	switch (ioc->bus_type) {
+	case FC:
+		return 40;
+	case SAS:
+		return 10;
+	case SPI:
+	default:
+		return 2;
+	}
+}
+
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *	mptscsih_abort - Abort linux scsi_cmnd routine, new_eh variant
@@ -1792,7 +1817,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 	vdev = SCpnt->device->hostdata;
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
 		vdev->bus_id, vdev->target_id, vdev->lun,
-		ctx2abort, 2 /* 2 second timeout */);
+		ctx2abort, mptscsih_get_tm_timeout(ioc));
 
 	printk (KERN_WARNING MYNAM ": %s: task abort: %s (sc=%p)\n",
 		hd->ioc->name,
@@ -1843,7 +1868,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 	vdev = SCpnt->device->hostdata;
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
 		vdev->bus_id, vdev->target_id,
-		0, 0, 5 /* 5 second timeout */);
+		0, 0, mptscsih_get_tm_timeout(hd->ioc));
 
 	printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
 		hd->ioc->name,
@@ -1893,7 +1918,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
 
 	vdev = SCpnt->device->hostdata;
 	retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
-		vdev->bus_id, 0, 0, 0, 5 /* 5 second timeout */);
+		vdev->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
 
 	printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
 		hd->ioc->name,
@@ -2016,6 +2041,42 @@ mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout )
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
+static void
+mptscsih_taskmgmt_response_code(MPT_ADAPTER *ioc, u8 response_code)
+{
+	char *desc;
+
+	switch (response_code) {
+	case MPI_SCSITASKMGMT_RSP_TM_COMPLETE:
+		desc = "The task completed.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_INVALID_FRAME:
+		desc = "The IOC received an invalid frame status.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
+		desc = "The task type is not supported.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_TM_FAILED:
+		desc = "The requested task failed.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_TM_SUCCEEDED:
+		desc = "The task completed successfully.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_TM_INVALID_LUN:
+		desc = "The LUN request is invalid.";
+		break;
+	case MPI_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
+		desc = "The task is in the IOC queue and has not been sent to target.";
+		break;
+	default:
+		desc = "unknown";
+		break;
+	}
+	printk(MYIOC_s_INFO_FMT "Response Code(0x%08x): F/W: %s\n",
+		ioc->name, response_code, desc);
+}
+
+/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /**
  *	mptscsih_taskmgmt_complete - Registered with Fusion MPT base driver
  *	@ioc: Pointer to MPT_ADAPTER structure
@@ -2064,6 +2125,11 @@ mptscsih_taskmgmt_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *m
 		/* Figure out if this was ABORT_TASK, TARGET_RESET, or BUS_RESET! */
 		tmType = pScsiTmReq->TaskType;
 
+		if (ioc->facts.MsgVersion >= MPI_VERSION_01_05 &&
+		    pScsiTmReply->ResponseCode)
+			mptscsih_taskmgmt_response_code(ioc,
+			    pScsiTmReply->ResponseCode);
+
 		dtmprintk((MYIOC_s_WARN_FMT "  TaskType = %d, TerminationCount=%d\n",
 				ioc->name, tmType, le32_to_cpu(pScsiTmReply->TerminationCount)));
 		DBG_DUMP_TM_REPLY_FRAME((u32 *)pScsiTmReply);
@@ -2255,7 +2321,7 @@ mptscsih_slave_destroy(struct scsi_device *sdev)
 	vtarget->luns[0] &= ~(1 << vdevice->lun);
 	vtarget->num_luns--;
 	if (vtarget->num_luns == 0) {
-		mptscsih_negotiate_to_asyn_narrow(hd, vtarget);
+		mptscsih_negotiate_to_asyn_narrow(hd, vdevice);
 		if (hd->ioc->bus_type == SPI) {
 			if (mptscsih_is_phys_disk(hd->ioc, vtarget->target_id)) {
 				hd->ioc->spi_data.forceDv |= MPT_SCSICFG_RELOAD_IOC_PG3;
@@ -2423,7 +2489,7 @@ mptscsih_copy_sense_data(struct scsi_cmnd *sc, MPT_SCSI_HOST *hd, MPT_FRAME_HDR
 				int idx;
 				MPT_ADAPTER *ioc = hd->ioc;
 
-				idx = ioc->eventContext % ioc->eventLogSize;
+				idx = ioc->eventContext % MPTCTL_EVENT_LOG_SIZE;
 				ioc->events[idx].event = MPI_EVENT_SCSI_DEVICE_STATUS_CHANGE;
 				ioc->events[idx].eventContext = ioc->eventContext;
 
@@ -2585,16 +2651,6 @@ mptscsih_ioc_reset(MPT_ADAPTER *ioc, int reset_phase)
 }
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/* work queue thread to clear the persitency table */
-static void
-mptscsih_sas_persist_clear_table(void * arg)
-{
-	MPT_ADAPTER *ioc = (MPT_ADAPTER *)arg;
-
-	mptbase_sas_persist_operation(ioc, MPI_SAS_OP_CLEAR_NOT_PRESENT);
-}
-
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 int
 mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 {
@@ -2656,13 +2712,6 @@ mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply)
 		break;
 	}
 
-	/* Persistent table is full. */
-	case MPI_EVENT_PERSISTENT_TABLE_FULL:
-		INIT_WORK(&mptscsih_persistTask,
-		    mptscsih_sas_persist_clear_table,(void *)ioc);
-		schedule_work(&mptscsih_persistTask);
-		break;
-
 	case MPI_EVENT_NONE:				/* 00 */
 	case MPI_EVENT_LOG_DATA:			/* 01 */
 	case MPI_EVENT_STATE_CHANGE:			/* 02 */
@@ -3863,8 +3912,9 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
  *
  */
 static void
-mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
+mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
 {
+	VirtTarget		*vtarget = vdevice->vtarget;
 	MPT_ADAPTER		*ioc= hd->ioc;
 	SCSIDevicePage1_t	*pcfg1Data;
 	CONFIGPARMS		 cfg;
@@ -3874,7 +3924,8 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
 	int			 requested, configuration, data,i;
 	u8			 flags, factor;
 
-	if (ioc->bus_type != SPI)
+	if ((ioc->bus_type != SPI) ||
+		(!vdevice->configured_lun))
 		return;
 
 	if (!ioc->spi_data.sdp1length)
@@ -3910,7 +3961,7 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
 			}
 			mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
 				&configuration, flags);
-			dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC "
+			dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
 				"offset=0 negoFlags=%x request=%x config=%x\n",
 				id, flags, requested, configuration));
 			pcfg1Data->RequestedParameters = cpu_to_le32(requested);
@@ -3923,7 +3974,7 @@ mptscsih_negotiate_to_asyn_narrow(MPT_SCSI_HOST *hd, VirtTarget *vtarget)
 		flags = vtarget->negoFlags;
 		mptscsih_setDevicePage1Flags(0, MPT_ASYNC, 0, &requested,
 				&configuration, flags);
-		dnegoprintk(("syncronize cache: id=%d width=0 factor=MPT_ASYNC "
+		dnegoprintk(("nego asyn narrow: id=%d width=0 factor=MPT_ASYNC "
 			"offset=0 negoFlags=%x request=%x config=%x\n",
 			vtarget->target_id, flags, requested, configuration));
 		pcfg1Data->RequestedParameters = cpu_to_le32(requested);
@@ -5620,5 +5671,6 @@ EXPORT_SYMBOL(mptscsih_event_process);
 EXPORT_SYMBOL(mptscsih_ioc_reset);
 EXPORT_SYMBOL(mptscsih_change_queue_depth);
 EXPORT_SYMBOL(mptscsih_timer_expired);
+EXPORT_SYMBOL(mptscsih_TMHandler);
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
diff --git a/drivers/message/fusion/mptscsih.h b/drivers/message/fusion/mptscsih.h
index d3cba12f4bd..44b248d51ea 100644
--- a/drivers/message/fusion/mptscsih.h
+++ b/drivers/message/fusion/mptscsih.h
@@ -108,3 +108,4 @@ extern int mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pE
 extern int mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 extern int mptscsih_change_queue_depth(struct scsi_device *sdev, int qdepth);
 extern void mptscsih_timer_expired(unsigned long data);
+extern int mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
diff --git a/drivers/message/fusion/mptspi.c b/drivers/message/fusion/mptspi.c
index 7dce29277cb..f148dfa3911 100644
--- a/drivers/message/fusion/mptspi.c
+++ b/drivers/message/fusion/mptspi.c
@@ -384,6 +384,14 @@ mptspi_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 		goto out_mptspi_probe;
 	}
 
+	/*
+	 * issue internal bus reset
+	 */
+	if (ioc->spi_data.bus_reset)
+		mptscsih_TMHandler(hd,
+		    MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
+		    0, 0, 0, 0, 5);
+
 	scsi_scan_host(sh);
 	return 0;
 
@@ -445,7 +453,7 @@ static void __exit
 mptspi_exit(void)
 {
 	pci_unregister_driver(&mptspi_driver);
-	
+
 	mpt_reset_deregister(mptspiDoneCtx);
 	dprintk((KERN_INFO MYNAM
 	  ": Deregistered for IOC reset notifications\n"));
diff --git a/drivers/message/i2o/core.h b/drivers/message/i2o/core.h
index 90628562851..184974cc734 100644
--- a/drivers/message/i2o/core.h
+++ b/drivers/message/i2o/core.h
@@ -60,4 +60,7 @@ extern void i2o_iop_remove(struct i2o_controller *);
 #define I2O_IN_PORT	0x40
 #define I2O_OUT_PORT	0x44
 
+/* Motorola/Freescale specific register offset */
+#define I2O_MOTOROLA_PORT_OFFSET	0x10400
+
 #define I2O_IRQ_OUTBOUND_POST	0x00000008
diff --git a/drivers/message/i2o/i2o_scsi.c b/drivers/message/i2o/i2o_scsi.c
index f9e5a23697a..c08ddac3717 100644
--- a/drivers/message/i2o/i2o_scsi.c
+++ b/drivers/message/i2o/i2o_scsi.c
@@ -732,7 +732,7 @@ static int i2o_scsi_abort(struct scsi_cmnd *SCpnt)
 	    cpu_to_le32(I2O_CMD_SCSI_ABORT << 24 | HOST_TID << 12 | tid);
 	msg->body[0] = cpu_to_le32(i2o_cntxt_list_get_ptr(c, SCpnt));
 
-	if (i2o_msg_post_wait(c, msg, I2O_TIMEOUT_SCSI_SCB_ABORT))
+	if (!i2o_msg_post_wait(c, msg, I2O_TIMEOUT_SCSI_SCB_ABORT))
 		status = SUCCESS;
 
 	return status;
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index d698d7709c3..4f1515cae5d 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -88,6 +88,11 @@ static int __devinit i2o_pci_alloc(struct i2o_controller *c)
 	struct device *dev = &pdev->dev;
 	int i;
 
+	if (pci_request_regions(pdev, OSM_DESCRIPTION)) {
+		printk(KERN_ERR "%s: device already claimed\n", c->name);
+		return -ENODEV;
+	}
+
 	for (i = 0; i < 6; i++) {
 		/* Skip I/O spaces */
 		if (!(pci_resource_flags(pdev, i) & IORESOURCE_IO)) {
@@ -163,6 +168,24 @@ static int __devinit i2o_pci_alloc(struct i2o_controller *c)
 	c->in_port = c->base.virt + I2O_IN_PORT;
 	c->out_port = c->base.virt + I2O_OUT_PORT;
 
+	/* Motorola/Freescale chip does not follow spec */
+	if (pdev->vendor == PCI_VENDOR_ID_MOTOROLA && pdev->device == 0x18c0) {
+		/* Check if CPU is enabled */
+		if (be32_to_cpu(readl(c->base.virt + 0x10000)) & 0x10000000) {
+			printk(KERN_INFO "%s: MPC82XX needs CPU running to "
+			       "service I2O.\n", c->name);
+			i2o_pci_free(c);
+			return -ENODEV;
+		} else {
+			c->irq_status += I2O_MOTOROLA_PORT_OFFSET;
+			c->irq_mask += I2O_MOTOROLA_PORT_OFFSET;
+			c->in_port += I2O_MOTOROLA_PORT_OFFSET;
+			c->out_port += I2O_MOTOROLA_PORT_OFFSET;
+			printk(KERN_INFO "%s: MPC82XX workarounds activated.\n",
+			       c->name);
+		}
+	}
+
 	if (i2o_dma_alloc(dev, &c->status, 8, GFP_KERNEL)) {
 		i2o_pci_free(c);
 		return -ENOMEM;
@@ -298,7 +321,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 	struct i2o_controller *c;
 	int rc;
 	struct pci_dev *i960 = NULL;
-	int pci_dev_busy = 0;
+	int enabled = pdev->is_enabled;
 
 	printk(KERN_INFO "i2o: Checking for PCI I2O controllers...\n");
 
@@ -308,16 +331,12 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 		return -ENODEV;
 	}
 
-	if ((rc = pci_enable_device(pdev))) {
-		printk(KERN_WARNING "i2o: couldn't enable device %s\n",
-		       pci_name(pdev));
-		return rc;
-	}
-
-	if (pci_request_regions(pdev, OSM_DESCRIPTION)) {
-		printk(KERN_ERR "i2o: device already claimed\n");
-		return -ENODEV;
-	}
+	if (!enabled)
+		if ((rc = pci_enable_device(pdev))) {
+			printk(KERN_WARNING "i2o: couldn't enable device %s\n",
+			       pci_name(pdev));
+			return rc;
+		}
 
 	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK)) {
 		printk(KERN_WARNING "i2o: no suitable DMA found for %s\n",
@@ -395,9 +414,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 
 	if ((rc = i2o_pci_alloc(c))) {
 		printk(KERN_ERR "%s: DMA / IO allocation for I2O controller "
-		       " failed\n", c->name);
-		if (rc == -ENODEV)
-			pci_dev_busy = 1;
+		       "failed\n", c->name);
 		goto free_controller;
 	}
 
@@ -425,7 +442,7 @@ static int __devinit i2o_pci_probe(struct pci_dev *pdev,
 	i2o_iop_free(c);
 
       disable:
-	if (!pci_dev_busy)
+	if (!enabled)
 		pci_disable_device(pdev);
 
 	return rc;