Merge branch 'gfar' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc into upstream

87 files changed, 3100 insertions, 1755 deletions

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b091a0fc4eb..eb766c3af1c 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -197,7 +197,7 @@ static struct class_device_attribute *twa_host_attrs[] = {
 };
 
 /* File operations struct for character device */
-static struct file_operations twa_fops = {
+static const struct file_operations twa_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= twa_chrdev_ioctl,
 	.open		= twa_chrdev_open,
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index e1b44d6c0c3..bf5d63e1bee 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1040,7 +1040,7 @@ static int tw_chrdev_open(struct inode *inode, struct file *file)
 } /* End tw_chrdev_open() */
 
 /* File operations struct for character device */
-static struct file_operations tw_fops = {
+static const struct file_operations tw_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= tw_chrdev_ioctl,
 	.open		= tw_chrdev_open,
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 68103e508db..88e061d13d0 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -667,12 +667,30 @@ NCR_700_chip_setup(struct Scsi_Host *host)
 	__u8 min_xferp = (hostdata->chip710 ? NCR_710_MIN_XFERP : NCR_700_MIN_XFERP);
 
 	if(hostdata->chip710) {
-		__u8 burst_disable = hostdata->burst_disable
-			? BURST_DISABLE : 0;
+		__u8 burst_disable = 0;
+		__u8 burst_length = 0;
+
+		switch (hostdata->burst_length) {
+			case 1:
+			        burst_length = BURST_LENGTH_1;
+			        break;
+			case 2:
+			        burst_length = BURST_LENGTH_2;
+			        break;
+			case 4:
+			        burst_length = BURST_LENGTH_4;
+			        break;
+			case 8:
+			        burst_length = BURST_LENGTH_8;
+			        break;
+			default:
+			        burst_disable = BURST_DISABLE;
+			        break;
+		}
 		dcntl_extra = COMPAT_700_MODE;
 
 		NCR_700_writeb(dcntl_extra, host, DCNTL_REG);
-		NCR_700_writeb(BURST_LENGTH_8  | hostdata->dmode_extra,
+		NCR_700_writeb(burst_length | hostdata->dmode_extra,
 			       host, DMODE_710_REG);
 		NCR_700_writeb(burst_disable | (hostdata->differential ? 
 						DIFF : 0), host, CTEST7_REG);
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index f38822db421..841e1bb27d5 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -203,7 +203,7 @@ struct NCR_700_Host_Parameters {
 	__u32	force_le_on_be:1;
 #endif
 	__u32	chip710:1;	/* set if really a 710 not 700 */
-	__u32	burst_disable:1;	/* set to 1 to disable 710 bursting */
+	__u32	burst_length:4;	/* set to 0 to disable 710 bursting */
 
 	/* NOTHING BELOW HERE NEEDS ALTERING */
 	__u32	fast:1;		/* if we can alter the SCSI bus clock
diff --git a/drivers/scsi/53c7xx.c b/drivers/scsi/53c7xx.c
index 640536ef77d..93b41f45638 100644
--- a/drivers/scsi/53c7xx.c
+++ b/drivers/scsi/53c7xx.c
@@ -3099,7 +3099,6 @@ allocate_cmd (Scsi_Cmnd *cmd) {
         real = get_zeroed_page(GFP_ATOMIC);
         if (real == 0)
         	return NULL;
-        memset((void *)real, 0, 4096);
         cache_push(virt_to_phys((void *)real), 4096);
         cache_clear(virt_to_phys((void *)real), 4096);
         kernel_set_cachemode((void *)real, 4096, IOMAP_NOCACHE_SER);
@@ -4400,7 +4399,7 @@ abort_connected (struct Scsi_Host *host) {
  * account the current synchronous offset) 
  */
 
-    sstat = (NCR53c8x0_read8 (SSTAT2_REG);
+    sstat = NCR53c8x0_read8 (SSTAT2_REG);
     offset = OFFSET (sstat & SSTAT2_FF_MASK) >> SSTAT2_FF_SHIFT;
     phase = sstat & SSTAT2_PHASE_MASK;
 
@@ -5423,7 +5422,7 @@ insn_to_offset (Scsi_Cmnd *cmd, u32 *insn) {
     	    	     --buffers, offset += segment->length, ++segment)
 #if 0
 		    printk("scsi%d: comparing 0x%p to 0x%p\n", 
-			cmd->device->host->host_no, saved, page_address(segment->page+segment->offset);
+			cmd->device->host->host_no, saved, page_address(segment->page+segment->offset));
 #else
 		    ;
 #endif
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 3075204915c..e874b894487 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -192,7 +192,7 @@ static void BusLogic_InitializeCCBs(struct BusLogic_HostAdapter *HostAdapter, vo
   BusLogic_CreateInitialCCBs allocates the initial CCBs for Host Adapter.
 */
 
-static boolean __init BusLogic_CreateInitialCCBs(struct BusLogic_HostAdapter *HostAdapter)
+static bool __init BusLogic_CreateInitialCCBs(struct BusLogic_HostAdapter *HostAdapter)
 {
 	int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
 	void *BlockPointer;
@@ -238,7 +238,7 @@ static void BusLogic_DestroyCCBs(struct BusLogic_HostAdapter *HostAdapter)
   multiple host adapters share the same IRQ Channel.
 */
 
-static void BusLogic_CreateAdditionalCCBs(struct BusLogic_HostAdapter *HostAdapter, int AdditionalCCBs, boolean SuccessMessageP)
+static void BusLogic_CreateAdditionalCCBs(struct BusLogic_HostAdapter *HostAdapter, int AdditionalCCBs, bool SuccessMessageP)
 {
 	int BlockSize = BusLogic_CCB_AllocationGroupSize * sizeof(struct BusLogic_CCB);
 	int PreviouslyAllocated = HostAdapter->AllocatedCCBs;
@@ -362,10 +362,8 @@ static int BusLogic_Command(struct BusLogic_HostAdapter *HostAdapter, enum BusLo
 	   interrupt could occur if the IRQ Channel was previously enabled by another
 	   BusLogic Host Adapter or another driver sharing the same IRQ Channel.
 	 */
-	if (!HostAdapter->IRQ_ChannelAcquired) {
+	if (!HostAdapter->IRQ_ChannelAcquired)
 		local_irq_save(ProcessorFlags);
-		local_irq_disable();
-	}
 	/*
 	   Wait for the Host Adapter Ready bit to be set and the Command/Parameter
 	   Register Busy bit to be reset in the Status Register.
@@ -639,9 +637,9 @@ static int __init BusLogic_InitializeMultiMasterProbeInfo(struct BusLogic_HostAd
 	struct BusLogic_ProbeInfo *PrimaryProbeInfo = &BusLogic_ProbeInfoList[BusLogic_ProbeInfoCount];
 	int NonPrimaryPCIMultiMasterIndex = BusLogic_ProbeInfoCount + 1;
 	int NonPrimaryPCIMultiMasterCount = 0, PCIMultiMasterCount = 0;
-	boolean ForceBusDeviceScanningOrder = false;
-	boolean ForceBusDeviceScanningOrderChecked = false;
-	boolean StandardAddressSeen[6];
+	bool ForceBusDeviceScanningOrder = false;
+	bool ForceBusDeviceScanningOrderChecked = false;
+	bool StandardAddressSeen[6];
 	struct pci_dev *PCI_Device = NULL;
 	int i;
 	if (BusLogic_ProbeInfoCount >= BusLogic_MaxHostAdapters)
@@ -1011,7 +1009,7 @@ static void __init BusLogic_InitializeProbeInfoList(struct BusLogic_HostAdapter
   BusLogic_Failure prints a standardized error message, and then returns false.
 */
 
-static boolean BusLogic_Failure(struct BusLogic_HostAdapter *HostAdapter, char *ErrorMessage)
+static bool BusLogic_Failure(struct BusLogic_HostAdapter *HostAdapter, char *ErrorMessage)
 {
 	BusLogic_AnnounceDriver(HostAdapter);
 	if (HostAdapter->HostAdapterBusType == BusLogic_PCI_Bus) {
@@ -1030,7 +1028,7 @@ static boolean BusLogic_Failure(struct BusLogic_HostAdapter *HostAdapter, char *
   BusLogic_ProbeHostAdapter probes for a BusLogic Host Adapter.
 */
 
-static boolean __init BusLogic_ProbeHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
+static bool __init BusLogic_ProbeHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
 {
 	union BusLogic_StatusRegister StatusRegister;
 	union BusLogic_InterruptRegister InterruptRegister;
@@ -1101,8 +1099,8 @@ static boolean __init BusLogic_ProbeHostAdapter(struct BusLogic_HostAdapter *Hos
   SCSI Bus Reset.
 */
 
-static boolean BusLogic_HardwareResetHostAdapter(struct BusLogic_HostAdapter
-						 *HostAdapter, boolean HardReset)
+static bool BusLogic_HardwareResetHostAdapter(struct BusLogic_HostAdapter
+						 *HostAdapter, bool HardReset)
 {
 	union BusLogic_StatusRegister StatusRegister;
 	int TimeoutCounter;
@@ -1205,11 +1203,11 @@ static boolean BusLogic_HardwareResetHostAdapter(struct BusLogic_HostAdapter
   Host Adapter.
 */
 
-static boolean __init BusLogic_CheckHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
+static bool __init BusLogic_CheckHostAdapter(struct BusLogic_HostAdapter *HostAdapter)
 {
 	struct BusLogic_ExtendedSetupInformation ExtendedSetupInformation;
 	unsigned char RequestedReplyLength;
-	boolean Result = true;
+	bool Result = true;
 	/*
 	   FlashPoint Host Adapters do not require this protection.
 	 */
@@ -1239,7 +1237,7 @@ static boolean __init BusLogic_CheckHostAdapter(struct BusLogic_HostAdapter *Hos
   from Host Adapter and initializes the Host Adapter structure.
 */
 
-static boolean __init BusLogic_ReadHostAdapterConfiguration(struct BusLogic_HostAdapter
+static bool __init BusLogic_ReadHostAdapterConfiguration(struct BusLogic_HostAdapter
 							    *HostAdapter)
 {
 	struct BusLogic_BoardID BoardID;
@@ -1686,14 +1684,14 @@ static boolean __init BusLogic_ReadHostAdapterConfiguration(struct BusLogic_Host
   Host Adapter.
 */
 
-static boolean __init BusLogic_ReportHostAdapterConfiguration(struct BusLogic_HostAdapter
+static bool __init BusLogic_ReportHostAdapterConfiguration(struct BusLogic_HostAdapter
 							      *HostAdapter)
 {
 	unsigned short AllTargetsMask = (1 << HostAdapter->MaxTargetDevices) - 1;
 	unsigned short SynchronousPermitted, FastPermitted;
 	unsigned short UltraPermitted, WidePermitted;
 	unsigned short DisconnectPermitted, TaggedQueuingPermitted;
-	boolean CommonSynchronousNegotiation, CommonTaggedQueueDepth;
+	bool CommonSynchronousNegotiation, CommonTaggedQueueDepth;
 	char SynchronousString[BusLogic_MaxTargetDevices + 1];
 	char WideString[BusLogic_MaxTargetDevices + 1];
 	char DisconnectString[BusLogic_MaxTargetDevices + 1];
@@ -1835,7 +1833,7 @@ static boolean __init BusLogic_ReportHostAdapterConfiguration(struct BusLogic_Ho
   Host Adapter.
 */
 
-static boolean __init BusLogic_AcquireResources(struct BusLogic_HostAdapter *HostAdapter)
+static bool __init BusLogic_AcquireResources(struct BusLogic_HostAdapter *HostAdapter)
 {
 	if (HostAdapter->IRQ_Channel == 0) {
 		BusLogic_Error("NO LEGAL INTERRUPT CHANNEL ASSIGNED - DETACHING\n", HostAdapter);
@@ -1903,7 +1901,7 @@ static void BusLogic_ReleaseResources(struct BusLogic_HostAdapter *HostAdapter)
   of the Host Adapter from its initial power on or hard reset state.
 */
 
-static boolean BusLogic_InitializeHostAdapter(struct BusLogic_HostAdapter
+static bool BusLogic_InitializeHostAdapter(struct BusLogic_HostAdapter
 					      *HostAdapter)
 {
 	struct BusLogic_ExtendedMailboxRequest ExtendedMailboxRequest;
@@ -2002,7 +2000,7 @@ static boolean BusLogic_InitializeHostAdapter(struct BusLogic_HostAdapter
   through Host Adapter.
 */
 
-static boolean __init BusLogic_TargetDeviceInquiry(struct BusLogic_HostAdapter
+static bool __init BusLogic_TargetDeviceInquiry(struct BusLogic_HostAdapter
 						   *HostAdapter)
 {
 	u16 InstalledDevices;
@@ -2739,7 +2737,7 @@ static irqreturn_t BusLogic_InterruptHandler(int IRQ_Channel, void *DeviceIdenti
   already have been acquired by the caller.
 */
 
-static boolean BusLogic_WriteOutgoingMailbox(struct BusLogic_HostAdapter
+static bool BusLogic_WriteOutgoingMailbox(struct BusLogic_HostAdapter
 					     *HostAdapter, enum BusLogic_ActionCode ActionCode, struct BusLogic_CCB *CCB)
 {
 	struct BusLogic_OutgoingMailbox *NextOutgoingMailbox;
@@ -3058,7 +3056,7 @@ static int BusLogic_AbortCommand(struct scsi_cmnd *Command)
   currently executing SCSI Commands as having been Reset.
 */
 
-static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *HostAdapter, boolean HardReset)
+static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *HostAdapter, bool HardReset)
 {
 	struct BusLogic_CCB *CCB;
 	int TargetID;
@@ -3309,7 +3307,7 @@ Target	Requested Completed  Requested Completed  Requested Completed\n\
 static void BusLogic_Message(enum BusLogic_MessageLevel MessageLevel, char *Format, struct BusLogic_HostAdapter *HostAdapter, ...)
 {
 	static char Buffer[BusLogic_LineBufferSize];
-	static boolean BeginningOfLine = true;
+	static bool BeginningOfLine = true;
 	va_list Arguments;
 	int Length = 0;
 	va_start(Arguments, HostAdapter);
@@ -3347,7 +3345,7 @@ static void BusLogic_Message(enum BusLogic_MessageLevel MessageLevel, char *Form
   and updates the pointer if the keyword is recognized and false otherwise.
 */
 
-static boolean __init BusLogic_ParseKeyword(char **StringPointer, char *Keyword)
+static bool __init BusLogic_ParseKeyword(char **StringPointer, char *Keyword)
 {
 	char *Pointer = *StringPointer;
 	while (*Keyword != '\0') {
diff --git a/drivers/scsi/BusLogic.h b/drivers/scsi/BusLogic.h
index cca6d45eee4..bfbfb5c3a8f 100644
--- a/drivers/scsi/BusLogic.h
+++ b/drivers/scsi/BusLogic.h
@@ -234,12 +234,6 @@ enum BusLogic_BIOS_DiskGeometryTranslation {
 
 
 /*
-  Define a Boolean data type.
-*/
-
-typedef bool boolean;
-
-/*
   Define a 10^18 Statistics Byte Counter data type.
 */
 
@@ -269,19 +263,19 @@ struct BusLogic_ProbeInfo {
 */
 
 struct BusLogic_ProbeOptions {
-	boolean NoProbe:1;	/* Bit 0 */
-	boolean NoProbeISA:1;	/* Bit 1 */
-	boolean NoProbePCI:1;	/* Bit 2 */
-	boolean NoSortPCI:1;	/* Bit 3 */
-	boolean MultiMasterFirst:1;	/* Bit 4 */
-	boolean FlashPointFirst:1;	/* Bit 5 */
-	boolean LimitedProbeISA:1;	/* Bit 6 */
-	boolean Probe330:1;	/* Bit 7 */
-	boolean Probe334:1;	/* Bit 8 */
-	boolean Probe230:1;	/* Bit 9 */
-	boolean Probe234:1;	/* Bit 10 */
-	boolean Probe130:1;	/* Bit 11 */
-	boolean Probe134:1;	/* Bit 12 */
+	bool NoProbe:1;		/* Bit 0 */
+	bool NoProbeISA:1;	/* Bit 1 */
+	bool NoProbePCI:1;	/* Bit 2 */
+	bool NoSortPCI:1;	/* Bit 3 */
+	bool MultiMasterFirst:1;/* Bit 4 */
+	bool FlashPointFirst:1;	/* Bit 5 */
+	bool LimitedProbeISA:1;	/* Bit 6 */
+	bool Probe330:1;	/* Bit 7 */
+	bool Probe334:1;	/* Bit 8 */
+	bool Probe230:1;	/* Bit 9 */
+	bool Probe234:1;	/* Bit 10 */
+	bool Probe130:1;	/* Bit 11 */
+	bool Probe134:1;	/* Bit 12 */
 };
 
 /*
@@ -289,10 +283,10 @@ struct BusLogic_ProbeOptions {
 */
 
 struct BusLogic_GlobalOptions {
-	boolean TraceProbe:1;	/* Bit 0 */
-	boolean TraceHardwareReset:1;	/* Bit 1 */
-	boolean TraceConfiguration:1;	/* Bit 2 */
-	boolean TraceErrors:1;	/* Bit 3 */
+	bool TraceProbe:1;	/* Bit 0 */
+	bool TraceHardwareReset:1;	/* Bit 1 */
+	bool TraceConfiguration:1;	/* Bit 2 */
+	bool TraceErrors:1;	/* Bit 3 */
 };
 
 /*
@@ -300,7 +294,7 @@ struct BusLogic_GlobalOptions {
 */
 
 struct BusLogic_LocalOptions {
-	boolean InhibitTargetInquiry:1;	/* Bit 0 */
+	bool InhibitTargetInquiry:1;	/* Bit 0 */
 };
 
 /*
@@ -322,10 +316,10 @@ union BusLogic_ControlRegister {
 	unsigned char All;
 	struct {
 		unsigned char:4;	/* Bits 0-3 */
-		boolean SCSIBusReset:1;	/* Bit 4 */
-		boolean InterruptReset:1;	/* Bit 5 */
-		boolean SoftReset:1;	/* Bit 6 */
-		boolean HardReset:1;	/* Bit 7 */
+		bool SCSIBusReset:1;	/* Bit 4 */
+		bool InterruptReset:1;	/* Bit 5 */
+		bool SoftReset:1;	/* Bit 6 */
+		bool HardReset:1;	/* Bit 7 */
 	} cr;
 };
 
@@ -336,14 +330,14 @@ union BusLogic_ControlRegister {
 union BusLogic_StatusRegister {
 	unsigned char All;
 	struct {
-		boolean CommandInvalid:1;	/* Bit 0 */
-		boolean Reserved:1;	/* Bit 1 */
-		boolean DataInRegisterReady:1;	/* Bit 2 */
-		boolean CommandParameterRegisterBusy:1;	/* Bit 3 */
-		boolean HostAdapterReady:1;	/* Bit 4 */
-		boolean InitializationRequired:1;	/* Bit 5 */
-		boolean DiagnosticFailure:1;	/* Bit 6 */
-		boolean DiagnosticActive:1;	/* Bit 7 */
+		bool CommandInvalid:1;		/* Bit 0 */
+		bool Reserved:1;		/* Bit 1 */
+		bool DataInRegisterReady:1;	/* Bit 2 */
+		bool CommandParameterRegisterBusy:1;	/* Bit 3 */
+		bool HostAdapterReady:1;	/* Bit 4 */
+		bool InitializationRequired:1;	/* Bit 5 */
+		bool DiagnosticFailure:1;	/* Bit 6 */
+		bool DiagnosticActive:1;	/* Bit 7 */
 	} sr;
 };
 
@@ -354,12 +348,12 @@ union BusLogic_StatusRegister {
 union BusLogic_InterruptRegister {
 	unsigned char All;
 	struct {
-		boolean IncomingMailboxLoaded:1;	/* Bit 0 */
-		boolean OutgoingMailboxAvailable:1;	/* Bit 1 */
-		boolean CommandComplete:1;	/* Bit 2 */
-		boolean ExternalBusReset:1;	/* Bit 3 */
+		bool IncomingMailboxLoaded:1;	/* Bit 0 */
+		bool OutgoingMailboxAvailable:1;/* Bit 1 */
+		bool CommandComplete:1;		/* Bit 2 */
+		bool ExternalBusReset:1;	/* Bit 3 */
 		unsigned char Reserved:3;	/* Bits 4-6 */
-		boolean InterruptValid:1;	/* Bit 7 */
+		bool InterruptValid:1;		/* Bit 7 */
 	} ir;
 };
 
@@ -373,7 +367,7 @@ union BusLogic_GeometryRegister {
 		enum BusLogic_BIOS_DiskGeometryTranslation Drive0Geometry:2;	/* Bits 0-1 */
 		enum BusLogic_BIOS_DiskGeometryTranslation Drive1Geometry:2;	/* Bits 2-3 */
 		unsigned char:3;	/* Bits 4-6 */
-		boolean ExtendedTranslationEnabled:1;	/* Bit 7 */
+		bool ExtendedTranslationEnabled:1;	/* Bit 7 */
 	} gr;
 };
 
@@ -445,16 +439,16 @@ struct BusLogic_BoardID {
 
 struct BusLogic_Configuration {
 	unsigned char:5;	/* Byte 0 Bits 0-4 */
-	boolean DMA_Channel5:1;	/* Byte 0 Bit 5 */
-	boolean DMA_Channel6:1;	/* Byte 0 Bit 6 */
-	boolean DMA_Channel7:1;	/* Byte 0 Bit 7 */
-	boolean IRQ_Channel9:1;	/* Byte 1 Bit 0 */
-	boolean IRQ_Channel10:1;	/* Byte 1 Bit 1 */
-	boolean IRQ_Channel11:1;	/* Byte 1 Bit 2 */
-	boolean IRQ_Channel12:1;	/* Byte 1 Bit 3 */
+	bool DMA_Channel5:1;	/* Byte 0 Bit 5 */
+	bool DMA_Channel6:1;	/* Byte 0 Bit 6 */
+	bool DMA_Channel7:1;	/* Byte 0 Bit 7 */
+	bool IRQ_Channel9:1;	/* Byte 1 Bit 0 */
+	bool IRQ_Channel10:1;	/* Byte 1 Bit 1 */
+	bool IRQ_Channel11:1;	/* Byte 1 Bit 2 */
+	bool IRQ_Channel12:1;	/* Byte 1 Bit 3 */
 	unsigned char:1;	/* Byte 1 Bit 4 */
-	boolean IRQ_Channel14:1;	/* Byte 1 Bit 5 */
-	boolean IRQ_Channel15:1;	/* Byte 1 Bit 6 */
+	bool IRQ_Channel14:1;	/* Byte 1 Bit 5 */
+	bool IRQ_Channel15:1;	/* Byte 1 Bit 6 */
 	unsigned char:1;	/* Byte 1 Bit 7 */
 	unsigned char HostAdapterID:4;	/* Byte 2 Bits 0-3 */
 	unsigned char:4;	/* Byte 2 Bits 4-7 */
@@ -467,12 +461,12 @@ struct BusLogic_Configuration {
 struct BusLogic_SynchronousValue {
 	unsigned char Offset:4;	/* Bits 0-3 */
 	unsigned char TransferPeriod:3;	/* Bits 4-6 */
-	boolean Synchronous:1;	/* Bit 7 */
+	bool Synchronous:1;	/* Bit 7 */
 };
 
 struct BusLogic_SetupInformation {
-	boolean SynchronousInitiationEnabled:1;	/* Byte 0 Bit 0 */
-	boolean ParityCheckingEnabled:1;	/* Byte 0 Bit 1 */
+	bool SynchronousInitiationEnabled:1;	/* Byte 0 Bit 0 */
+	bool ParityCheckingEnabled:1;		/* Byte 0 Bit 1 */
 	unsigned char:6;	/* Byte 0 Bits 2-7 */
 	unsigned char BusTransferRate;	/* Byte 1 */
 	unsigned char PreemptTimeOnBus;	/* Byte 2 */
@@ -523,13 +517,13 @@ enum BusLogic_ISACompatibleIOPort {
 struct BusLogic_PCIHostAdapterInformation {
 	enum BusLogic_ISACompatibleIOPort ISACompatibleIOPort;	/* Byte 0 */
 	unsigned char PCIAssignedIRQChannel;	/* Byte 1 */
-	boolean LowByteTerminated:1;	/* Byte 2 Bit 0 */
-	boolean HighByteTerminated:1;	/* Byte 2 Bit 1 */
+	bool LowByteTerminated:1;	/* Byte 2 Bit 0 */
+	bool HighByteTerminated:1;	/* Byte 2 Bit 1 */
 	unsigned char:2;	/* Byte 2 Bits 2-3 */
-	boolean JP1:1;		/* Byte 2 Bit 4 */
-	boolean JP2:1;		/* Byte 2 Bit 5 */
-	boolean JP3:1;		/* Byte 2 Bit 6 */
-	boolean GenericInfoValid:1;	/* Byte 2 Bit 7 */
+	bool JP1:1;		/* Byte 2 Bit 4 */
+	bool JP2:1;		/* Byte 2 Bit 5 */
+	bool JP3:1;		/* Byte 2 Bit 6 */
+	bool GenericInfoValid:1;/* Byte 2 Bit 7 */
 	unsigned char:8;	/* Byte 3 */
 };
 
@@ -545,17 +539,17 @@ struct BusLogic_ExtendedSetupInformation {
 	u32 BaseMailboxAddress;	/* Bytes 5-8 */
 	struct {
 		unsigned char:2;	/* Byte 9 Bits 0-1 */
-		boolean FastOnEISA:1;	/* Byte 9 Bit 2 */
+		bool FastOnEISA:1;	/* Byte 9 Bit 2 */
 		unsigned char:3;	/* Byte 9 Bits 3-5 */
-		boolean LevelSensitiveInterrupt:1;	/* Byte 9 Bit 6 */
+		bool LevelSensitiveInterrupt:1;	/* Byte 9 Bit 6 */
 		unsigned char:1;	/* Byte 9 Bit 7 */
 	} Misc;
 	unsigned char FirmwareRevision[3];	/* Bytes 10-12 */
-	boolean HostWideSCSI:1;	/* Byte 13 Bit 0 */
-	boolean HostDifferentialSCSI:1;	/* Byte 13 Bit 1 */
-	boolean HostSupportsSCAM:1;	/* Byte 13 Bit 2 */
-	boolean HostUltraSCSI:1;	/* Byte 13 Bit 3 */
-	boolean HostSmartTermination:1;	/* Byte 13 Bit 4 */
+	bool HostWideSCSI:1;		/* Byte 13 Bit 0 */
+	bool HostDifferentialSCSI:1;	/* Byte 13 Bit 1 */
+	bool HostSupportsSCAM:1;	/* Byte 13 Bit 2 */
+	bool HostUltraSCSI:1;		/* Byte 13 Bit 3 */
+	bool HostSmartTermination:1;	/* Byte 13 Bit 4 */
 	unsigned char:3;	/* Byte 13 Bits 5-7 */
 } PACKED;
 
@@ -590,35 +584,35 @@ struct BusLogic_AutoSCSIData {
 	unsigned char InformationByteCount;	/* Byte 2 */
 	unsigned char HostAdapterType[6];	/* Bytes 3-8 */
 	unsigned char:8;	/* Byte 9 */
-	boolean FloppyEnabled:1;	/* Byte 10 Bit 0 */
-	boolean FloppySecondary:1;	/* Byte 10 Bit 1 */
-	boolean LevelSensitiveInterrupt:1;	/* Byte 10 Bit 2 */
+	bool FloppyEnabled:1;		/* Byte 10 Bit 0 */
+	bool FloppySecondary:1;		/* Byte 10 Bit 1 */
+	bool LevelSensitiveInterrupt:1;	/* Byte 10 Bit 2 */
 	unsigned char:2;	/* Byte 10 Bits 3-4 */
 	unsigned char SystemRAMAreaForBIOS:3;	/* Byte 10 Bits 5-7 */
 	unsigned char DMA_Channel:7;	/* Byte 11 Bits 0-6 */
-	boolean DMA_AutoConfiguration:1;	/* Byte 11 Bit 7 */
+	bool DMA_AutoConfiguration:1;	/* Byte 11 Bit 7 */
 	unsigned char IRQ_Channel:7;	/* Byte 12 Bits 0-6 */
-	boolean IRQ_AutoConfiguration:1;	/* Byte 12 Bit 7 */
+	bool IRQ_AutoConfiguration:1;	/* Byte 12 Bit 7 */
 	unsigned char DMA_TransferRate;	/* Byte 13 */
 	unsigned char SCSI_ID;	/* Byte 14 */
-	boolean LowByteTerminated:1;	/* Byte 15 Bit 0 */
-	boolean ParityCheckingEnabled:1;	/* Byte 15 Bit 1 */
-	boolean HighByteTerminated:1;	/* Byte 15 Bit 2 */
-	boolean NoisyCablingEnvironment:1;	/* Byte 15 Bit 3 */
-	boolean FastSynchronousNegotiation:1;	/* Byte 15 Bit 4 */
-	boolean BusResetEnabled:1;	/* Byte 15 Bit 5 */
-	 boolean:1;		/* Byte 15 Bit 6 */
-	boolean ActiveNegationEnabled:1;	/* Byte 15 Bit 7 */
+	bool LowByteTerminated:1;	/* Byte 15 Bit 0 */
+	bool ParityCheckingEnabled:1;	/* Byte 15 Bit 1 */
+	bool HighByteTerminated:1;	/* Byte 15 Bit 2 */
+	bool NoisyCablingEnvironment:1;	/* Byte 15 Bit 3 */
+	bool FastSynchronousNegotiation:1;	/* Byte 15 Bit 4 */
+	bool BusResetEnabled:1;		/* Byte 15 Bit 5 */
+	 bool:1;		/* Byte 15 Bit 6 */
+	bool ActiveNegationEnabled:1;	/* Byte 15 Bit 7 */
 	unsigned char BusOnDelay;	/* Byte 16 */
 	unsigned char BusOffDelay;	/* Byte 17 */
-	boolean HostAdapterBIOSEnabled:1;	/* Byte 18 Bit 0 */
-	boolean BIOSRedirectionOfINT19Enabled:1;	/* Byte 18 Bit 1 */
-	boolean ExtendedTranslationEnabled:1;	/* Byte 18 Bit 2 */
-	boolean MapRemovableAsFixedEnabled:1;	/* Byte 18 Bit 3 */
-	 boolean:1;		/* Byte 18 Bit 4 */
-	boolean BIOSSupportsMoreThan2DrivesEnabled:1;	/* Byte 18 Bit 5 */
-	boolean BIOSInterruptModeEnabled:1;	/* Byte 18 Bit 6 */
-	boolean FlopticalSupportEnabled:1;	/* Byte 19 Bit 7 */
+	bool HostAdapterBIOSEnabled:1;		/* Byte 18 Bit 0 */
+	bool BIOSRedirectionOfINT19Enabled:1;	/* Byte 18 Bit 1 */
+	bool ExtendedTranslationEnabled:1;	/* Byte 18 Bit 2 */
+	bool MapRemovableAsFixedEnabled:1;	/* Byte 18 Bit 3 */
+	 bool:1;		/* Byte 18 Bit 4 */
+	bool BIOSSupportsMoreThan2DrivesEnabled:1;	/* Byte 18 Bit 5 */
+	bool BIOSInterruptModeEnabled:1;	/* Byte 18 Bit 6 */
+	bool FlopticalSupportEnabled:1;		/* Byte 19 Bit 7 */
 	unsigned short DeviceEnabled;	/* Bytes 19-20 */
 	unsigned short WidePermitted;	/* Bytes 21-22 */
 	unsigned short FastPermitted;	/* Bytes 23-24 */
@@ -628,22 +622,22 @@ struct BusLogic_AutoSCSIData {
 	unsigned short IgnoreInBIOSScan;	/* Bytes 31-32 */
 	unsigned char PCIInterruptPin:2;	/* Byte 33 Bits 0-1 */
 	unsigned char HostAdapterIOPortAddress:2;	/* Byte 33 Bits 2-3 */
-	boolean StrictRoundRobinModeEnabled:1;	/* Byte 33 Bit 4 */
-	boolean VESABusSpeedGreaterThan33MHz:1;	/* Byte 33 Bit 5 */
-	boolean VESABurstWriteEnabled:1;	/* Byte 33 Bit 6 */
-	boolean VESABurstReadEnabled:1;	/* Byte 33 Bit 7 */
+	bool StrictRoundRobinModeEnabled:1;	/* Byte 33 Bit 4 */
+	bool VESABusSpeedGreaterThan33MHz:1;	/* Byte 33 Bit 5 */
+	bool VESABurstWriteEnabled:1;	/* Byte 33 Bit 6 */
+	bool VESABurstReadEnabled:1;	/* Byte 33 Bit 7 */
 	unsigned short UltraPermitted;	/* Bytes 34-35 */
 	unsigned int:32;	/* Bytes 36-39 */
 	unsigned char:8;	/* Byte 40 */
 	unsigned char AutoSCSIMaximumLUN;	/* Byte 41 */
-	 boolean:1;		/* Byte 42 Bit 0 */
-	boolean SCAM_Dominant:1;	/* Byte 42 Bit 1 */
-	boolean SCAM_Enabled:1;	/* Byte 42 Bit 2 */
-	boolean SCAM_Level2:1;	/* Byte 42 Bit 3 */
+	 bool:1;		/* Byte 42 Bit 0 */
+	bool SCAM_Dominant:1;	/* Byte 42 Bit 1 */
+	bool SCAM_Enabled:1;	/* Byte 42 Bit 2 */
+	bool SCAM_Level2:1;	/* Byte 42 Bit 3 */
 	unsigned char:4;	/* Byte 42 Bits 4-7 */
-	boolean INT13ExtensionEnabled:1;	/* Byte 43 Bit 0 */
-	 boolean:1;		/* Byte 43 Bit 1 */
-	boolean CDROMBootEnabled:1;	/* Byte 43 Bit 2 */
+	bool INT13ExtensionEnabled:1;	/* Byte 43 Bit 0 */
+	 bool:1;		/* Byte 43 Bit 1 */
+	bool CDROMBootEnabled:1;	/* Byte 43 Bit 2 */
 	unsigned char:5;	/* Byte 43 Bits 3-7 */
 	unsigned char BootTargetID:4;	/* Byte 44 Bits 0-3 */
 	unsigned char BootChannel:4;	/* Byte 44 Bits 4-7 */
@@ -852,7 +846,7 @@ struct BusLogic_CCB {
 	enum BusLogic_CCB_Opcode Opcode;	/* Byte 0 */
 	unsigned char:3;	/* Byte 1 Bits 0-2 */
 	enum BusLogic_DataDirection DataDirection:2;	/* Byte 1 Bits 3-4 */
-	boolean TagEnable:1;	/* Byte 1 Bit 5 */
+	bool TagEnable:1;	/* Byte 1 Bit 5 */
 	enum BusLogic_QueueTag QueueTag:2;	/* Byte 1 Bits 6-7 */
 	unsigned char CDB_Length;	/* Byte 2 */
 	unsigned char SenseDataLength;	/* Byte 3 */
@@ -864,7 +858,7 @@ struct BusLogic_CCB {
 	enum BusLogic_TargetDeviceStatus TargetDeviceStatus;	/* Byte 15 */
 	unsigned char TargetID;	/* Byte 16 */
 	unsigned char LogicalUnit:5;	/* Byte 17 Bits 0-4 */
-	boolean LegacyTagEnable:1;	/* Byte 17 Bit 5 */
+	bool LegacyTagEnable:1;	/* Byte 17 Bit 5 */
 	enum BusLogic_QueueTag LegacyQueueTag:2;	/* Byte 17 Bits 6-7 */
 	SCSI_CDB_T CDB;		/* Bytes 18-29 */
 	unsigned char:8;	/* Byte 30 */
@@ -939,13 +933,13 @@ struct BusLogic_DriverOptions {
 */
 
 struct BusLogic_TargetFlags {
-	boolean TargetExists:1;
-	boolean TaggedQueuingSupported:1;
-	boolean WideTransfersSupported:1;
-	boolean TaggedQueuingActive:1;
-	boolean WideTransfersActive:1;
-	boolean CommandSuccessfulFlag:1;
-	boolean TargetInfoReported:1;
+	bool TargetExists:1;
+	bool TaggedQueuingSupported:1;
+	bool WideTransfersSupported:1;
+	bool TaggedQueuingActive:1;
+	bool WideTransfersActive:1;
+	bool CommandSuccessfulFlag:1;
+	bool TargetInfoReported:1;
 };
 
 /*
@@ -992,7 +986,7 @@ typedef unsigned int FlashPoint_CardHandle_T;
 
 struct FlashPoint_Info {
 	u32 BaseAddress;	/* Bytes 0-3 */
-	boolean Present;	/* Byte 4 */
+	bool Present;		/* Byte 4 */
 	unsigned char IRQ_Channel;	/* Byte 5 */
 	unsigned char SCSI_ID;	/* Byte 6 */
 	unsigned char SCSI_LUN;	/* Byte 7 */
@@ -1002,15 +996,15 @@ struct FlashPoint_Info {
 	unsigned short UltraPermitted;	/* Bytes 14-15 */
 	unsigned short DisconnectPermitted;	/* Bytes 16-17 */
 	unsigned short WidePermitted;	/* Bytes 18-19 */
-	boolean ParityCheckingEnabled:1;	/* Byte 20 Bit 0 */
-	boolean HostWideSCSI:1;	/* Byte 20 Bit 1 */
-	boolean HostSoftReset:1;	/* Byte 20 Bit 2 */
-	boolean ExtendedTranslationEnabled:1;	/* Byte 20 Bit 3 */
-	boolean LowByteTerminated:1;	/* Byte 20 Bit 4 */
-	boolean HighByteTerminated:1;	/* Byte 20 Bit 5 */
-	boolean ReportDataUnderrun:1;	/* Byte 20 Bit 6 */
-	boolean SCAM_Enabled:1;	/* Byte 20 Bit 7 */
-	boolean SCAM_Level2:1;	/* Byte 21 Bit 0 */
+	bool ParityCheckingEnabled:1;	/* Byte 20 Bit 0 */
+	bool HostWideSCSI:1;		/* Byte 20 Bit 1 */
+	bool HostSoftReset:1;		/* Byte 20 Bit 2 */
+	bool ExtendedTranslationEnabled:1;	/* Byte 20 Bit 3 */
+	bool LowByteTerminated:1;	/* Byte 20 Bit 4 */
+	bool HighByteTerminated:1;	/* Byte 20 Bit 5 */
+	bool ReportDataUnderrun:1;	/* Byte 20 Bit 6 */
+	bool SCAM_Enabled:1;	/* Byte 20 Bit 7 */
+	bool SCAM_Level2:1;	/* Byte 21 Bit 0 */
 	unsigned char:7;	/* Byte 21 Bits 1-7 */
 	unsigned char Family;	/* Byte 22 */
 	unsigned char BusType;	/* Byte 23 */
@@ -1044,29 +1038,29 @@ struct BusLogic_HostAdapter {
 	unsigned char IRQ_Channel;
 	unsigned char DMA_Channel;
 	unsigned char SCSI_ID;
-	boolean IRQ_ChannelAcquired:1;
-	boolean DMA_ChannelAcquired:1;
-	boolean ExtendedTranslationEnabled:1;
-	boolean ParityCheckingEnabled:1;
-	boolean BusResetEnabled:1;
-	boolean LevelSensitiveInterrupt:1;
-	boolean HostWideSCSI:1;
-	boolean HostDifferentialSCSI:1;
-	boolean HostSupportsSCAM:1;
-	boolean HostUltraSCSI:1;
-	boolean ExtendedLUNSupport:1;
-	boolean TerminationInfoValid:1;
-	boolean LowByteTerminated:1;
-	boolean HighByteTerminated:1;
-	boolean BounceBuffersRequired:1;
-	boolean StrictRoundRobinModeSupport:1;
-	boolean SCAM_Enabled:1;
-	boolean SCAM_Level2:1;
-	boolean HostAdapterInitialized:1;
-	boolean HostAdapterExternalReset:1;
-	boolean HostAdapterInternalError:1;
-	boolean ProcessCompletedCCBsActive;
-	volatile boolean HostAdapterCommandCompleted;
+	bool IRQ_ChannelAcquired:1;
+	bool DMA_ChannelAcquired:1;
+	bool ExtendedTranslationEnabled:1;
+	bool ParityCheckingEnabled:1;
+	bool BusResetEnabled:1;
+	bool LevelSensitiveInterrupt:1;
+	bool HostWideSCSI:1;
+	bool HostDifferentialSCSI:1;
+	bool HostSupportsSCAM:1;
+	bool HostUltraSCSI:1;
+	bool ExtendedLUNSupport:1;
+	bool TerminationInfoValid:1;
+	bool LowByteTerminated:1;
+	bool HighByteTerminated:1;
+	bool BounceBuffersRequired:1;
+	bool StrictRoundRobinModeSupport:1;
+	bool SCAM_Enabled:1;
+	bool SCAM_Level2:1;
+	bool HostAdapterInitialized:1;
+	bool HostAdapterExternalReset:1;
+	bool HostAdapterInternalError:1;
+	bool ProcessCompletedCCBsActive;
+	volatile bool HostAdapterCommandCompleted;
 	unsigned short HostAdapterScatterGatherLimit;
 	unsigned short DriverScatterGatherLimit;
 	unsigned short MaxTargetDevices;
@@ -1141,25 +1135,25 @@ struct SCSI_Inquiry {
 	unsigned char PeripheralDeviceType:5;	/* Byte 0 Bits 0-4 */
 	unsigned char PeripheralQualifier:3;	/* Byte 0 Bits 5-7 */
 	unsigned char DeviceTypeModifier:7;	/* Byte 1 Bits 0-6 */
-	boolean RMB:1;		/* Byte 1 Bit 7 */
+	bool RMB:1;		/* Byte 1 Bit 7 */
 	unsigned char ANSI_ApprovedVersion:3;	/* Byte 2 Bits 0-2 */
 	unsigned char ECMA_Version:3;	/* Byte 2 Bits 3-5 */
 	unsigned char ISO_Version:2;	/* Byte 2 Bits 6-7 */
 	unsigned char ResponseDataFormat:4;	/* Byte 3 Bits 0-3 */
 	unsigned char:2;	/* Byte 3 Bits 4-5 */
-	boolean TrmIOP:1;	/* Byte 3 Bit 6 */
-	boolean AENC:1;		/* Byte 3 Bit 7 */
+	bool TrmIOP:1;		/* Byte 3 Bit 6 */
+	bool AENC:1;		/* Byte 3 Bit 7 */
 	unsigned char AdditionalLength;	/* Byte 4 */
 	unsigned char:8;	/* Byte 5 */
 	unsigned char:8;	/* Byte 6 */
-	boolean SftRe:1;	/* Byte 7 Bit 0 */
-	boolean CmdQue:1;	/* Byte 7 Bit 1 */
-	 boolean:1;		/* Byte 7 Bit 2 */
-	boolean Linked:1;	/* Byte 7 Bit 3 */
-	boolean Sync:1;		/* Byte 7 Bit 4 */
-	boolean WBus16:1;	/* Byte 7 Bit 5 */
-	boolean WBus32:1;	/* Byte 7 Bit 6 */
-	boolean RelAdr:1;	/* Byte 7 Bit 7 */
+	bool SftRe:1;		/* Byte 7 Bit 0 */
+	bool CmdQue:1;		/* Byte 7 Bit 1 */
+	 bool:1;		/* Byte 7 Bit 2 */
+	bool Linked:1;		/* Byte 7 Bit 3 */
+	bool Sync:1;		/* Byte 7 Bit 4 */
+	bool WBus16:1;		/* Byte 7 Bit 5 */
+	bool WBus32:1;		/* Byte 7 Bit 6 */
+	bool RelAdr:1;		/* Byte 7 Bit 7 */
 	unsigned char VendorIdentification[8];	/* Bytes 8-15 */
 	unsigned char ProductIdentification[16];	/* Bytes 16-31 */
 	unsigned char ProductRevisionLevel[4];	/* Bytes 32-35 */
@@ -1348,7 +1342,7 @@ static int BusLogic_ProcDirectoryInfo(struct Scsi_Host *, char *, char **, off_t
 static int BusLogic_SlaveConfigure(struct scsi_device *);
 static void BusLogic_QueueCompletedCCB(struct BusLogic_CCB *);
 static irqreturn_t BusLogic_InterruptHandler(int, void *);
-static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *, boolean HardReset);
+static int BusLogic_ResetHostAdapter(struct BusLogic_HostAdapter *, bool HardReset);
 static void BusLogic_Message(enum BusLogic_MessageLevel, char *, struct BusLogic_HostAdapter *, ...);
 static int __init BusLogic_Setup(char *);
 
diff --git a/drivers/scsi/FlashPoint.c b/drivers/scsi/FlashPoint.c
index 7c006804958..a7f916c0c9c 100644
--- a/drivers/scsi/FlashPoint.c
+++ b/drivers/scsi/FlashPoint.c
@@ -7609,7 +7609,7 @@ FlashPoint__AbortCCB(FlashPoint_CardHandle_T CardHandle,
 	FlashPoint_AbortCCB(CardHandle, (struct sccb *)CCB);
 }
 
-static inline boolean
+static inline bool
 FlashPoint__InterruptPending(FlashPoint_CardHandle_T CardHandle)
 {
 	return FlashPoint_InterruptPending(CardHandle);
@@ -7640,7 +7640,7 @@ extern FlashPoint_CardHandle_T
 FlashPoint_HardwareResetHostAdapter(struct FlashPoint_Info *);
 extern void FlashPoint_StartCCB(FlashPoint_CardHandle_T, struct BusLogic_CCB *);
 extern int FlashPoint_AbortCCB(FlashPoint_CardHandle_T, struct BusLogic_CCB *);
-extern boolean FlashPoint_InterruptPending(FlashPoint_CardHandle_T);
+extern bool FlashPoint_InterruptPending(FlashPoint_CardHandle_T);
 extern int FlashPoint_HandleInterrupt(FlashPoint_CardHandle_T);
 extern void FlashPoint_ReleaseHostAdapter(FlashPoint_CardHandle_T);
 
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index 7869c34a4a3..5bf3f07870b 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -973,6 +973,15 @@ config SCSI_LASI700
 	  many PA-RISC workstations & servers.  If you do not know whether you
 	  have a Lasi chip, it is safe to say "Y" here.
 
+config SCSI_SNI_53C710
+	tristate "SNI RM SCSI support for 53c710"
+	depends on SNI_RM && SCSI
+	select SCSI_SPI_ATTRS
+	select 53C700_LE_ON_BE
+	help
+	  This is a driver for the onboard SCSI controller found in older
+	  SNI RM workstations & servers.
+
 config 53C700_LE_ON_BE
 	bool
 	depends on SCSI_LASI700
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index bd7c9888f7f..79ecf4ebe6e 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -124,6 +124,7 @@ obj-$(CONFIG_JAZZ_ESP)		+= NCR53C9x.o	jazz_esp.o
 obj-$(CONFIG_SUN3X_ESP)		+= NCR53C9x.o	sun3x_esp.o
 obj-$(CONFIG_SCSI_FCAL)		+= fcal.o
 obj-$(CONFIG_SCSI_LASI700)	+= 53c700.o lasi700.o
+obj-$(CONFIG_SCSI_SNI_53C710)	+= 53c700.o sni_53c710.o
 obj-$(CONFIG_SCSI_NSP32)	+= nsp32.o
 obj-$(CONFIG_SCSI_IPR)		+= ipr.o
 obj-$(CONFIG_SCSI_SRP)		+= libsrp.o
diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index 9859cd17fc5..f12864abed2 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -200,6 +200,7 @@ NCR_D700_probe_one(struct NCR_D700_private *p, int siop, int irq,
 	hostdata->base = ioport_map(region, 64);
 	hostdata->differential = (((1<<siop) & differential) != 0);
 	hostdata->clock = NCR_D700_CLOCK_MHZ;
+	hostdata->burst_length = 8;
 
 	/* and register the siop */
 	host = NCR_700_detect(&NCR_D700_driver_template, hostdata, p->dev);
diff --git a/drivers/scsi/aacraid/Makefile b/drivers/scsi/aacraid/Makefile
index 28d133a3094..f1cca4ee541 100644
--- a/drivers/scsi/aacraid/Makefile
+++ b/drivers/scsi/aacraid/Makefile
@@ -3,6 +3,6 @@
 obj-$(CONFIG_SCSI_AACRAID) := aacraid.o
 
 aacraid-objs	:= linit.o aachba.o commctrl.o comminit.o commsup.o \
-		   dpcsup.o rx.o sa.o rkt.o
+		   dpcsup.o rx.o sa.o rkt.o nark.o
 
 EXTRA_CFLAGS	:= -Idrivers/scsi
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index 426cd6f49f5..ddb33b06e0e 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -170,9 +170,9 @@ int acbsize = -1;
 module_param(acbsize, int, S_IRUGO|S_IWUSR);
 MODULE_PARM_DESC(acbsize, "Request a specific adapter control block (FIB) size. Valid values are 512, 2048, 4096 and 8192. Default is to use suggestion from Firmware.");
 
-int expose_physicals = 0;
+int expose_physicals = -1;
 module_param(expose_physicals, int, S_IRUGO|S_IWUSR);
-MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. 0=off, 1=on");
+MODULE_PARM_DESC(expose_physicals, "Expose physical components of the arrays. -1=protect 0=off, 1=on");
 /**
  *	aac_get_config_status	-	check the adapter configuration
  *	@common: adapter to query
@@ -706,6 +706,309 @@ static void set_sense(u8 *sense_buf, u8 sense_key, u8 sense_code,
 	}
 }
 
+static int aac_bounds_32(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
+{
+	if (lba & 0xffffffff00000000LL) {
+		int cid = scmd_id(cmd);
+		dprintk((KERN_DEBUG "aacraid: Illegal lba\n"));
+		cmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 |
+			SAM_STAT_CHECK_CONDITION;
+		set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
+			    HARDWARE_ERROR,
+			    SENCODE_INTERNAL_TARGET_FAILURE,
+			    ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
+			    0, 0);
+		memcpy(cmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
+		  (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(cmd->sense_buffer))
+		    ? sizeof(cmd->sense_buffer)
+		    : sizeof(dev->fsa_dev[cid].sense_data));
+		cmd->scsi_done(cmd);
+		return 1;
+	}
+	return 0;
+}
+
+static int aac_bounds_64(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba)
+{
+	return 0;
+}
+
+static void io_callback(void *context, struct fib * fibptr);
+
+static int aac_read_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_raw_io *readcmd;
+	aac_fib_init(fib);
+	readcmd = (struct aac_raw_io *) fib_data(fib);
+	readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+	readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+	readcmd->count = cpu_to_le32(count<<9);
+	readcmd->cid = cpu_to_le16(scmd_id(cmd));
+	readcmd->flags = cpu_to_le16(1);
+	readcmd->bpTotal = 0;
+	readcmd->bpComplete = 0;
+
+	aac_build_sgraw(cmd, &readcmd->sg);
+	fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
+	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerRawIo,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static int aac_read_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_read64 *readcmd;
+	aac_fib_init(fib);
+	readcmd = (struct aac_read64 *) fib_data(fib);
+	readcmd->command = cpu_to_le32(VM_CtHostRead64);
+	readcmd->cid = cpu_to_le16(scmd_id(cmd));
+	readcmd->sector_count = cpu_to_le16(count);
+	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+	readcmd->pad   = 0;
+	readcmd->flags = 0;
+
+	aac_build_sg64(cmd, &readcmd->sg);
+	fibsize = sizeof(struct aac_read64) +
+		((le32_to_cpu(readcmd->sg.count) - 1) *
+		 sizeof (struct sgentry64));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerCommand64,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static int aac_read_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_read *readcmd;
+	aac_fib_init(fib);
+	readcmd = (struct aac_read *) fib_data(fib);
+	readcmd->command = cpu_to_le32(VM_CtBlockRead);
+	readcmd->cid = cpu_to_le16(scmd_id(cmd));
+	readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+	readcmd->count = cpu_to_le32(count * 512);
+
+	aac_build_sg(cmd, &readcmd->sg);
+	fibsize = sizeof(struct aac_read) +
+			((le32_to_cpu(readcmd->sg.count) - 1) *
+			 sizeof (struct sgentry));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerCommand,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static int aac_write_raw_io(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_raw_io *writecmd;
+	aac_fib_init(fib);
+	writecmd = (struct aac_raw_io *) fib_data(fib);
+	writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
+	writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
+	writecmd->count = cpu_to_le32(count<<9);
+	writecmd->cid = cpu_to_le16(scmd_id(cmd));
+	writecmd->flags = 0;
+	writecmd->bpTotal = 0;
+	writecmd->bpComplete = 0;
+
+	aac_build_sgraw(cmd, &writecmd->sg);
+	fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
+	BUG_ON(fibsize > (fib->dev->max_fib_size - sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerRawIo,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static int aac_write_block64(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_write64 *writecmd;
+	aac_fib_init(fib);
+	writecmd = (struct aac_write64 *) fib_data(fib);
+	writecmd->command = cpu_to_le32(VM_CtHostWrite64);
+	writecmd->cid = cpu_to_le16(scmd_id(cmd));
+	writecmd->sector_count = cpu_to_le16(count);
+	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+	writecmd->pad	= 0;
+	writecmd->flags	= 0;
+
+	aac_build_sg64(cmd, &writecmd->sg);
+	fibsize = sizeof(struct aac_write64) +
+		((le32_to_cpu(writecmd->sg.count) - 1) *
+		 sizeof (struct sgentry64));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerCommand64,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static int aac_write_block(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count)
+{
+	u16 fibsize;
+	struct aac_write *writecmd;
+	aac_fib_init(fib);
+	writecmd = (struct aac_write *) fib_data(fib);
+	writecmd->command = cpu_to_le32(VM_CtBlockWrite);
+	writecmd->cid = cpu_to_le16(scmd_id(cmd));
+	writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
+	writecmd->count = cpu_to_le32(count * 512);
+	writecmd->sg.count = cpu_to_le32(1);
+	/* ->stable is not used - it did mean which type of write */
+
+	aac_build_sg(cmd, &writecmd->sg);
+	fibsize = sizeof(struct aac_write) +
+		((le32_to_cpu(writecmd->sg.count) - 1) *
+		 sizeof (struct sgentry));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ContainerCommand,
+			  fib,
+			  fibsize,
+			  FsaNormal,
+			  0, 1,
+			  (fib_callback) io_callback,
+			  (void *) cmd);
+}
+
+static struct aac_srb * aac_scsi_common(struct fib * fib, struct scsi_cmnd * cmd)
+{
+	struct aac_srb * srbcmd;
+	u32 flag;
+	u32 timeout;
+
+	aac_fib_init(fib);
+	switch(cmd->sc_data_direction){
+	case DMA_TO_DEVICE:
+		flag = SRB_DataOut;
+		break;
+	case DMA_BIDIRECTIONAL:
+		flag = SRB_DataIn | SRB_DataOut;
+		break;
+	case DMA_FROM_DEVICE:
+		flag = SRB_DataIn;
+		break;
+	case DMA_NONE:
+	default:	/* shuts up some versions of gcc */
+		flag = SRB_NoDataXfer;
+		break;
+	}
+
+	srbcmd = (struct aac_srb*) fib_data(fib);
+	srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
+	srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(cmd)));
+	srbcmd->id       = cpu_to_le32(scmd_id(cmd));
+	srbcmd->lun      = cpu_to_le32(cmd->device->lun);
+	srbcmd->flags    = cpu_to_le32(flag);
+	timeout = cmd->timeout_per_command/HZ;
+	if (timeout == 0)
+		timeout = 1;
+	srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
+	srbcmd->retry_limit = 0; /* Obsolete parameter */
+	srbcmd->cdb_size = cpu_to_le32(cmd->cmd_len);
+	return srbcmd;
+}
+
+static void aac_srb_callback(void *context, struct fib * fibptr);
+
+static int aac_scsi_64(struct fib * fib, struct scsi_cmnd * cmd)
+{
+	u16 fibsize;
+	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+
+	aac_build_sg64(cmd, (struct sgmap64*) &srbcmd->sg);
+	srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+
+	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
+	/*
+	 *	Build Scatter/Gather list
+	 */
+	fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
+		((le32_to_cpu(srbcmd->sg.count) & 0xff) *
+		 sizeof (struct sgentry64));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ScsiPortCommand64, fib,
+				fibsize, FsaNormal, 0, 1,
+				  (fib_callback) aac_srb_callback,
+				  (void *) cmd);
+}
+
+static int aac_scsi_32(struct fib * fib, struct scsi_cmnd * cmd)
+{
+	u16 fibsize;
+	struct aac_srb * srbcmd = aac_scsi_common(fib, cmd);
+
+	aac_build_sg(cmd, (struct sgmap*)&srbcmd->sg);
+	srbcmd->count = cpu_to_le32(cmd->request_bufflen);
+
+	memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
+	memcpy(srbcmd->cdb, cmd->cmnd, cmd->cmd_len);
+	/*
+	 *	Build Scatter/Gather list
+	 */
+	fibsize = sizeof (struct aac_srb) +
+		(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) *
+		 sizeof (struct sgentry));
+	BUG_ON (fibsize > (fib->dev->max_fib_size -
+				sizeof(struct aac_fibhdr)));
+
+	/*
+	 *	Now send the Fib to the adapter
+	 */
+	return aac_fib_send(ScsiPortCommand, fib, fibsize, FsaNormal, 0, 1,
+				  (fib_callback) aac_srb_callback, (void *) cmd);
+}
+
 int aac_get_adapter_info(struct aac_dev* dev)
 {
 	struct fib* fibptr;
@@ -874,14 +1177,27 @@ int aac_get_adapter_info(struct aac_dev* dev)
 		}
 	}
 	/* 
-	 * 57 scatter gather elements 
+	 * Deal with configuring for the individualized limits of each packet
+	 * interface.
 	 */
-	if (!(dev->raw_io_interface)) {
+	dev->a_ops.adapter_scsi = (dev->dac_support)
+				? aac_scsi_64
+				: aac_scsi_32;
+	if (dev->raw_io_interface) {
+		dev->a_ops.adapter_bounds = (dev->raw_io_64)
+					? aac_bounds_64
+					: aac_bounds_32;
+		dev->a_ops.adapter_read = aac_read_raw_io;
+		dev->a_ops.adapter_write = aac_write_raw_io;
+	} else {
+		dev->a_ops.adapter_bounds = aac_bounds_32;
 		dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
 			sizeof(struct aac_fibhdr) -
 			sizeof(struct aac_write) + sizeof(struct sgentry)) /
 				sizeof(struct sgentry);
 		if (dev->dac_support) {
+			dev->a_ops.adapter_read = aac_read_block64;
+			dev->a_ops.adapter_write = aac_write_block64;
 			/* 
 			 * 38 scatter gather elements 
 			 */
@@ -891,6 +1207,9 @@ int aac_get_adapter_info(struct aac_dev* dev)
 				sizeof(struct aac_write64) +
 				sizeof(struct sgentry64)) /
 					sizeof(struct sgentry64);
+		} else {
+			dev->a_ops.adapter_read = aac_read_block;
+			dev->a_ops.adapter_write = aac_write_block;
 		}
 		dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
 		if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
@@ -1004,8 +1323,6 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 	u64 lba;
 	u32 count;
 	int status;
-
-	u16 fibsize;
 	struct aac_dev *dev;
 	struct fib * cmd_fibcontext;
 
@@ -1059,23 +1376,8 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 	}
 	dprintk((KERN_DEBUG "aac_read[cpu %d]: lba = %llu, t = %ld.\n",
 	  smp_processor_id(), (unsigned long long)lba, jiffies));
-	if ((!(dev->raw_io_interface) || !(dev->raw_io_64)) &&
-		(lba & 0xffffffff00000000LL)) {
-		dprintk((KERN_DEBUG "aac_read: Illegal lba\n"));
-		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | 
-			SAM_STAT_CHECK_CONDITION;
-		set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
-			    HARDWARE_ERROR,
-			    SENCODE_INTERNAL_TARGET_FAILURE,
-			    ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
-			    0, 0);
-		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
-		  (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
-		    ? sizeof(scsicmd->sense_buffer)
-		    : sizeof(dev->fsa_dev[cid].sense_data));
-		scsicmd->scsi_done(scsicmd);
+	if (aac_adapter_bounds(dev,scsicmd,lba))
 		return 0;
-	}
 	/*
 	 *	Alocate and initialize a Fib
 	 */
@@ -1083,85 +1385,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 		return -1;
 	}
 
-	aac_fib_init(cmd_fibcontext);
-
-	if (dev->raw_io_interface) {
-		struct aac_raw_io *readcmd;
-		readcmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
-		readcmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
-		readcmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
-		readcmd->count = cpu_to_le32(count<<9);
-		readcmd->cid = cpu_to_le16(cid);
-		readcmd->flags = cpu_to_le16(1);
-		readcmd->bpTotal = 0;
-		readcmd->bpComplete = 0;
-		
-		aac_build_sgraw(scsicmd, &readcmd->sg);
-		fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
-		BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerRawIo,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	} else if (dev->dac_support == 1) {
-		struct aac_read64 *readcmd;
-		readcmd = (struct aac_read64 *) fib_data(cmd_fibcontext);
-		readcmd->command = cpu_to_le32(VM_CtHostRead64);
-		readcmd->cid = cpu_to_le16(cid);
-		readcmd->sector_count = cpu_to_le16(count);
-		readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
-		readcmd->pad   = 0;
-		readcmd->flags = 0; 
-
-		aac_build_sg64(scsicmd, &readcmd->sg);
-		fibsize = sizeof(struct aac_read64) + 
-			((le32_to_cpu(readcmd->sg.count) - 1) * 
-			 sizeof (struct sgentry64));
-		BUG_ON (fibsize > (dev->max_fib_size - 
-					sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerCommand64,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	} else {
-		struct aac_read *readcmd;
-		readcmd = (struct aac_read *) fib_data(cmd_fibcontext);
-		readcmd->command = cpu_to_le32(VM_CtBlockRead);
-		readcmd->cid = cpu_to_le32(cid);
-		readcmd->block = cpu_to_le32((u32)(lba&0xffffffff));
-		readcmd->count = cpu_to_le32(count * 512);
-
-		aac_build_sg(scsicmd, &readcmd->sg);
-		fibsize = sizeof(struct aac_read) + 
-			((le32_to_cpu(readcmd->sg.count) - 1) * 
-			 sizeof (struct sgentry));
-		BUG_ON (fibsize > (dev->max_fib_size -
-					sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerCommand,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	}
-
-	
+	status = aac_adapter_read(cmd_fibcontext, scsicmd, lba, count);
 
 	/*
 	 *	Check that the command queued to the controller
@@ -1187,7 +1411,6 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
 	u64 lba;
 	u32 count;
 	int status;
-	u16 fibsize;
 	struct aac_dev *dev;
 	struct fib * cmd_fibcontext;
 
@@ -1227,22 +1450,8 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
 	}
 	dprintk((KERN_DEBUG "aac_write[cpu %d]: lba = %llu, t = %ld.\n",
 	  smp_processor_id(), (unsigned long long)lba, jiffies));
-	if ((!(dev->raw_io_interface) || !(dev->raw_io_64))
-	 && (lba & 0xffffffff00000000LL)) {
-		dprintk((KERN_DEBUG "aac_write: Illegal lba\n"));
-		scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
-		set_sense((u8 *) &dev->fsa_dev[cid].sense_data,
-			    HARDWARE_ERROR,
-			    SENCODE_INTERNAL_TARGET_FAILURE,
-			    ASENCODE_INTERNAL_TARGET_FAILURE, 0, 0,
-			    0, 0);
-		memcpy(scsicmd->sense_buffer, &dev->fsa_dev[cid].sense_data,
-		  (sizeof(dev->fsa_dev[cid].sense_data) > sizeof(scsicmd->sense_buffer))
-		    ? sizeof(scsicmd->sense_buffer)
-		    : sizeof(dev->fsa_dev[cid].sense_data));
-		scsicmd->scsi_done(scsicmd);
+	if (aac_adapter_bounds(dev,scsicmd,lba))
 		return 0;
-	}
 	/*
 	 *	Allocate and initialize a Fib then setup a BlockWrite command
 	 */
@@ -1251,85 +1460,8 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
 		scsicmd->scsi_done(scsicmd);
 		return 0;
 	}
-	aac_fib_init(cmd_fibcontext);
 
-	if (dev->raw_io_interface) {
-		struct aac_raw_io *writecmd;
-		writecmd = (struct aac_raw_io *) fib_data(cmd_fibcontext);
-		writecmd->block[0] = cpu_to_le32((u32)(lba&0xffffffff));
-		writecmd->block[1] = cpu_to_le32((u32)((lba&0xffffffff00000000LL)>>32));
-		writecmd->count = cpu_to_le32(count<<9);
-		writecmd->cid = cpu_to_le16(cid);
-		writecmd->flags = 0; 
-		writecmd->bpTotal = 0;
-		writecmd->bpComplete = 0;
-		
-		aac_build_sgraw(scsicmd, &writecmd->sg);
-		fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
-		BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerRawIo,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	} else if (dev->dac_support == 1) {
-		struct aac_write64 *writecmd;
-		writecmd = (struct aac_write64 *) fib_data(cmd_fibcontext);
-		writecmd->command = cpu_to_le32(VM_CtHostWrite64);
-		writecmd->cid = cpu_to_le16(cid);
-		writecmd->sector_count = cpu_to_le16(count); 
-		writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
-		writecmd->pad	= 0;
-		writecmd->flags	= 0;
-
-		aac_build_sg64(scsicmd, &writecmd->sg);
-		fibsize = sizeof(struct aac_write64) + 
-			((le32_to_cpu(writecmd->sg.count) - 1) * 
-			 sizeof (struct sgentry64));
-		BUG_ON (fibsize > (dev->max_fib_size -
-					sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerCommand64,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	} else {
-		struct aac_write *writecmd;
-		writecmd = (struct aac_write *) fib_data(cmd_fibcontext);
-		writecmd->command = cpu_to_le32(VM_CtBlockWrite);
-		writecmd->cid = cpu_to_le32(cid);
-		writecmd->block = cpu_to_le32((u32)(lba&0xffffffff));
-		writecmd->count = cpu_to_le32(count * 512);
-		writecmd->sg.count = cpu_to_le32(1);
-		/* ->stable is not used - it did mean which type of write */
-
-		aac_build_sg(scsicmd, &writecmd->sg);
-		fibsize = sizeof(struct aac_write) + 
-			((le32_to_cpu(writecmd->sg.count) - 1) * 
-			 sizeof (struct sgentry));
-		BUG_ON (fibsize > (dev->max_fib_size -
-					sizeof(struct aac_fibhdr)));
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ContainerCommand,
-			  cmd_fibcontext, 
-			  fibsize, 
-			  FsaNormal, 
-			  0, 1, 
-			  (fib_callback) io_callback, 
-			  (void *) scsicmd);
-	}
+	status = aac_adapter_write(cmd_fibcontext, scsicmd, lba, count);
 
 	/*
 	 *	Check that the command queued to the controller
@@ -2099,10 +2231,6 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
 	struct fib* cmd_fibcontext;
 	struct aac_dev* dev;
 	int status;
-	struct aac_srb *srbcmd;
-	u16 fibsize;
-	u32 flag;
-	u32 timeout;
 
 	dev = (struct aac_dev *)scsicmd->device->host->hostdata;
 	if (scmd_id(scsicmd) >= dev->maximum_num_physicals ||
@@ -2112,88 +2240,14 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
 		return 0;
 	}
 
-	switch(scsicmd->sc_data_direction){
-	case DMA_TO_DEVICE:
-		flag = SRB_DataOut;
-		break;
-	case DMA_BIDIRECTIONAL:
-		flag = SRB_DataIn | SRB_DataOut;
-		break;
-	case DMA_FROM_DEVICE:
-		flag = SRB_DataIn;
-		break;
-	case DMA_NONE:
-	default:	/* shuts up some versions of gcc */
-		flag = SRB_NoDataXfer;
-		break;
-	}
-
-
 	/*
 	 *	Allocate and initialize a Fib then setup a BlockWrite command
 	 */
 	if (!(cmd_fibcontext = aac_fib_alloc(dev))) {
 		return -1;
 	}
-	aac_fib_init(cmd_fibcontext);
-
-	srbcmd = (struct aac_srb*) fib_data(cmd_fibcontext);
-	srbcmd->function = cpu_to_le32(SRBF_ExecuteScsi);
-	srbcmd->channel  = cpu_to_le32(aac_logical_to_phys(scmd_channel(scsicmd)));
-	srbcmd->id   = cpu_to_le32(scmd_id(scsicmd));
-	srbcmd->lun      = cpu_to_le32(scsicmd->device->lun);
-	srbcmd->flags    = cpu_to_le32(flag);
-	timeout = scsicmd->timeout_per_command/HZ;
-	if(timeout == 0){
-		timeout = 1;
-	}
-	srbcmd->timeout  = cpu_to_le32(timeout);  // timeout in seconds
-	srbcmd->retry_limit = 0; /* Obsolete parameter */
-	srbcmd->cdb_size = cpu_to_le32(scsicmd->cmd_len);
-	
-	if( dev->dac_support == 1 ) {
-		aac_build_sg64(scsicmd, (struct sgmap64*) &srbcmd->sg);
-		srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
-
-		memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
-		memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
-		/*
-		 *	Build Scatter/Gather list
-		 */
-		fibsize = sizeof (struct aac_srb) - sizeof (struct sgentry) +
-			((le32_to_cpu(srbcmd->sg.count) & 0xff) * 
-			 sizeof (struct sgentry64));
-		BUG_ON (fibsize > (dev->max_fib_size -
-					sizeof(struct aac_fibhdr)));
+	status = aac_adapter_scsi(cmd_fibcontext, scsicmd);
 
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ScsiPortCommand64, cmd_fibcontext,
-				fibsize, FsaNormal, 0, 1,
-				  (fib_callback) aac_srb_callback, 
-				  (void *) scsicmd);
-	} else {
-		aac_build_sg(scsicmd, (struct sgmap*)&srbcmd->sg);
-		srbcmd->count = cpu_to_le32(scsicmd->request_bufflen);
-
-		memset(srbcmd->cdb, 0, sizeof(srbcmd->cdb));
-		memcpy(srbcmd->cdb, scsicmd->cmnd, scsicmd->cmd_len);
-		/*
-		 *	Build Scatter/Gather list
-		 */
-		fibsize = sizeof (struct aac_srb) + 
-			(((le32_to_cpu(srbcmd->sg.count) & 0xff) - 1) * 
-			 sizeof (struct sgentry));
-		BUG_ON (fibsize > (dev->max_fib_size -
-					sizeof(struct aac_fibhdr)));
-
-		/*
-		 *	Now send the Fib to the adapter
-		 */
-		status = aac_fib_send(ScsiPortCommand, cmd_fibcontext, fibsize, FsaNormal, 0, 1,
-				  (fib_callback) aac_srb_callback, (void *) scsicmd);
-	}
 	/*
 	 *	Check that the command queued to the controller
 	 */
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 4f8b4c53d43..39ecd0d22eb 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -5,6 +5,7 @@
 #define _nblank(x) #x
 #define nblank(x) _nblank(x)[0]
 
+#include <linux/interrupt.h>
 
 /*------------------------------------------------------------------------------
  *              D E F I N E S
@@ -485,16 +486,28 @@ enum aac_log_level {
 
 struct aac_dev;
 struct fib;
+struct scsi_cmnd;
 
 struct adapter_ops
 {
+	/* Low level operations */
 	void (*adapter_interrupt)(struct aac_dev *dev);
 	void (*adapter_notify)(struct aac_dev *dev, u32 event);
 	void (*adapter_disable_int)(struct aac_dev *dev);
+	void (*adapter_enable_int)(struct aac_dev *dev);
 	int  (*adapter_sync_cmd)(struct aac_dev *dev, u32 command, u32 p1, u32 p2, u32 p3, u32 p4, u32 p5, u32 p6, u32 *status, u32 *r1, u32 *r2, u32 *r3, u32 *r4);
 	int  (*adapter_check_health)(struct aac_dev *dev);
-	int  (*adapter_send)(struct fib * fib);
+	/* Transport operations */
 	int  (*adapter_ioremap)(struct aac_dev * dev, u32 size);
+	irqreturn_t (*adapter_intr)(int irq, void *dev_id);
+	/* Packet operations */
+	int  (*adapter_deliver)(struct fib * fib);
+	int  (*adapter_bounds)(struct aac_dev * dev, struct scsi_cmnd * cmd, u64 lba);
+	int  (*adapter_read)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
+	int  (*adapter_write)(struct fib * fib, struct scsi_cmnd * cmd, u64 lba, u32 count);
+	int  (*adapter_scsi)(struct fib * fib, struct scsi_cmnd * cmd);
+	/* Administrative operations */
+	int  (*adapter_comm)(struct aac_dev * dev, int comm);
 };
 
 /*
@@ -1018,7 +1031,9 @@ struct aac_dev
 	u8			nondasd_support; 
 	u8			dac_support;
 	u8			raid_scsi_mode;
-	u8			new_comm_interface;
+	u8			comm_interface;
+#	define AAC_COMM_PRODUCER 0
+#	define AAC_COMM_MESSAGE  1
 	/* macro side-effects BEWARE */
 #	define			raw_io_interface \
 	  init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
@@ -1036,18 +1051,36 @@ struct aac_dev
 #define aac_adapter_disable_int(dev) \
 	(dev)->a_ops.adapter_disable_int(dev)
 
+#define aac_adapter_enable_int(dev) \
+	(dev)->a_ops.adapter_enable_int(dev)
+
 #define aac_adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4) \
 	(dev)->a_ops.adapter_sync_cmd(dev, command, p1, p2, p3, p4, p5, p6, status, r1, r2, r3, r4)
 
 #define aac_adapter_check_health(dev) \
 	(dev)->a_ops.adapter_check_health(dev)
 
-#define aac_adapter_send(fib) \
-	((fib)->dev)->a_ops.adapter_send(fib)
-
 #define aac_adapter_ioremap(dev, size) \
 	(dev)->a_ops.adapter_ioremap(dev, size)
 
+#define aac_adapter_deliver(fib) \
+	((fib)->dev)->a_ops.adapter_deliver(fib)
+
+#define aac_adapter_bounds(dev,cmd,lba) \
+	dev->a_ops.adapter_bounds(dev,cmd,lba)
+
+#define aac_adapter_read(fib,cmd,lba,count) \
+	((fib)->dev)->a_ops.adapter_read(fib,cmd,lba,count)
+
+#define aac_adapter_write(fib,cmd,lba,count) \
+	((fib)->dev)->a_ops.adapter_write(fib,cmd,lba,count)
+
+#define aac_adapter_scsi(fib,cmd) \
+	((fib)->dev)->a_ops.adapter_scsi(fib,cmd)
+
+#define aac_adapter_comm(dev,comm) \
+	(dev)->a_ops.adapter_comm(dev, comm)
+
 #define FIB_CONTEXT_FLAG_TIMED_OUT		(0x00000001)
 
 /*
@@ -1767,7 +1800,6 @@ static inline u32 cap_to_cyls(sector_t capacity, u32 divisor)
 	return (u32)capacity;
 }
 
-struct scsi_cmnd;
 /* SCp.phase values */
 #define AAC_OWNER_MIDLEVEL	0x101
 #define AAC_OWNER_LOWLEVEL	0x102
@@ -1794,7 +1826,9 @@ int aac_dev_ioctl(struct aac_dev *dev, int cmd, void __user *arg);
 int aac_do_ioctl(struct aac_dev * dev, int cmd, void __user *arg);
 int aac_rx_init(struct aac_dev *dev);
 int aac_rkt_init(struct aac_dev *dev);
+int aac_nark_init(struct aac_dev *dev);
 int aac_sa_init(struct aac_dev *dev);
+int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify);
 unsigned int aac_response_normal(struct aac_queue * q);
 unsigned int aac_command_normal(struct aac_queue * q);
 unsigned int aac_intr_normal(struct aac_dev * dev, u32 Index);
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 6d305b2f854..df67ba68602 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -95,7 +95,7 @@ static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long co
 	init->HostPhysMemPages = cpu_to_le32(AAC_MAX_HOSTPHYSMEMPAGES);
 
 	init->InitFlags = 0;
-	if (dev->new_comm_interface) {
+	if (dev->comm_interface == AAC_COMM_MESSAGE) {
 		init->InitFlags = cpu_to_le32(INITFLAGS_NEW_COMM_SUPPORTED);
 		dprintk((KERN_WARNING"aacraid: New Comm Interface enabled\n"));
 	}
@@ -297,21 +297,23 @@ struct aac_dev *aac_init_adapter(struct aac_dev *dev)
 		- sizeof(struct aac_fibhdr)
 		- sizeof(struct aac_write) + sizeof(struct sgentry))
 			/ sizeof(struct sgentry);
-	dev->new_comm_interface = 0;
+	dev->comm_interface = AAC_COMM_PRODUCER;
 	dev->raw_io_64 = 0;
 	if ((!aac_adapter_sync_cmd(dev, GET_ADAPTER_PROPERTIES,
 		0, 0, 0, 0, 0, 0, status+0, status+1, status+2, NULL, NULL)) &&
 	 		(status[0] == 0x00000001)) {
 		if (status[1] & AAC_OPT_NEW_COMM_64)
 			dev->raw_io_64 = 1;
-		if (status[1] & AAC_OPT_NEW_COMM)
-			dev->new_comm_interface = dev->a_ops.adapter_send != 0;
-		if (dev->new_comm_interface && (status[2] > dev->base_size)) {
+		if (dev->a_ops.adapter_comm &&
+		    (status[1] & AAC_OPT_NEW_COMM))
+			dev->comm_interface = AAC_COMM_MESSAGE;
+		if ((dev->comm_interface == AAC_COMM_MESSAGE) &&
+		    (status[2] > dev->base_size)) {
 			aac_adapter_ioremap(dev, 0);
 			dev->base_size = status[2];
 			if (aac_adapter_ioremap(dev, status[2])) {
 				/* remap failed, go back ... */
-				dev->new_comm_interface = 0;
+				dev->comm_interface = AAC_COMM_PRODUCER;
 				if (aac_adapter_ioremap(dev, AAC_MIN_FOOTPRINT_SIZE)) {
 					printk(KERN_WARNING
 					  "aacraid: unable to map adapter.\n");
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 4893a6d06a3..1b97f60652b 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -317,7 +317,7 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr
  *	success.
  */
 
-static int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify)
+int aac_queue_get(struct aac_dev * dev, u32 * index, u32 qid, struct hw_fib * hw_fib, int wait, struct fib * fibptr, unsigned long *nonotify)
 {
 	struct aac_entry * entry = NULL;
 	int map = 0;
@@ -387,7 +387,6 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
 {
 	struct aac_dev * dev = fibptr->dev;
 	struct hw_fib * hw_fib = fibptr->hw_fib;
-	struct aac_queue * q;
 	unsigned long flags = 0;
 	unsigned long qflags;
 
@@ -469,38 +468,10 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
 
 	if (!dev->queues)
 		return -EBUSY;
-	q = &dev->queues->queue[AdapNormCmdQueue];
 
 	if(wait)
 		spin_lock_irqsave(&fibptr->event_lock, flags);
-	spin_lock_irqsave(q->lock, qflags);
-	if (dev->new_comm_interface) {
-		unsigned long count = 10000000L; /* 50 seconds */
-		q->numpending++;
-		spin_unlock_irqrestore(q->lock, qflags);
-		while (aac_adapter_send(fibptr) != 0) {
-			if (--count == 0) {
-				if (wait)
-					spin_unlock_irqrestore(&fibptr->event_lock, flags);
-				spin_lock_irqsave(q->lock, qflags);
-				q->numpending--;
-				spin_unlock_irqrestore(q->lock, qflags);
-				return -ETIMEDOUT;
-			}
-			udelay(5);
-		}
-	} else {
-		u32 index;
-		unsigned long nointr = 0;
-		aac_queue_get( dev, &index, AdapNormCmdQueue, hw_fib, 1, fibptr, &nointr);
-
-		q->numpending++;
-		*(q->headers.producer) = cpu_to_le32(index + 1);
-		spin_unlock_irqrestore(q->lock, qflags);
-		dprintk((KERN_DEBUG "aac_fib_send: inserting a queue entry at index %d.\n",index));
-		if (!(nointr & aac_config.irq_mod))
-			aac_adapter_notify(dev, AdapNormCmdQueue);
-	}
+	aac_adapter_deliver(fibptr);
 
 	/*
 	 *	If the caller wanted us to wait for response wait now. 
@@ -520,6 +491,7 @@ int aac_fib_send(u16 command, struct fib *fibptr, unsigned long size,
 			while (down_trylock(&fibptr->event_wait)) {
 				int blink;
 				if (--count == 0) {
+					struct aac_queue * q = &dev->queues->queue[AdapNormCmdQueue];
 					spin_lock_irqsave(q->lock, qflags);
 					q->numpending--;
 					spin_unlock_irqrestore(q->lock, qflags);
@@ -659,7 +631,7 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
 	unsigned long qflags;
 
 	if (hw_fib->header.XferState == 0) {
-		if (dev->new_comm_interface)
+		if (dev->comm_interface == AAC_COMM_MESSAGE)
 			kfree (hw_fib);
         	return 0;
 	}
@@ -667,7 +639,7 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
 	 *	If we plan to do anything check the structure type first.
 	 */ 
 	if ( hw_fib->header.StructType != FIB_MAGIC ) {
-		if (dev->new_comm_interface)
+		if (dev->comm_interface == AAC_COMM_MESSAGE)
 			kfree (hw_fib);
         	return -EINVAL;
 	}
@@ -679,7 +651,7 @@ int aac_fib_adapter_complete(struct fib *fibptr, unsigned short size)
 	 *	send the completed cdb to the adapter.
 	 */
 	if (hw_fib->header.XferState & cpu_to_le32(SentFromAdapter)) {
-		if (dev->new_comm_interface) {
+		if (dev->comm_interface == AAC_COMM_MESSAGE) {
 			kfree (hw_fib);
 		} else {
 	       		u32 index;
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index d2cf875af59..0f948c2fb60 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -157,6 +157,7 @@ static struct pci_device_id aac_pci_tbl[] = {
 	{ 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 58 }, /* Legend Catchall */
 	{ 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 59 }, /* Adaptec Catch All */
 	{ 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 60 }, /* Adaptec Rocket Catch All */
+	{ 0x9005, 0x0288, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 61 }, /* Adaptec NEMER/ARK Catch All */
 	{ 0,}
 };
 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
@@ -230,7 +231,8 @@ static struct aac_driver_ident aac_drivers[] = {
 	{ aac_rx_init, "aacraid",  "DELL    ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Dell Catchall */
 	{ aac_rx_init, "aacraid",  "Legend  ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Legend Catchall */
 	{ aac_rx_init, "aacraid",  "ADAPTEC ", "RAID            ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Adaptec Catch All */
-	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec Rocket Catch All */
+	{ aac_rkt_init, "aacraid", "ADAPTEC ", "RAID            ", 2 }, /* Adaptec Rocket Catch All */
+	{ aac_nark_init, "aacraid", "ADAPTEC ", "RAID            ", 2 } /* Adaptec NEMER/ARK Catch All */
 };
 
 /**
@@ -396,11 +398,15 @@ static int aac_slave_configure(struct scsi_device *sdev)
 		sdev->skip_ms_page_3f = 1;
 	}
 	if ((sdev->type == TYPE_DISK) &&
-			!expose_physicals &&
 			(sdev_channel(sdev) != CONTAINER_CHANNEL)) {
-		struct aac_dev *aac = (struct aac_dev *)sdev->host->hostdata;
-		if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
-			sdev->no_uld_attach = 1;
+		if (expose_physicals == 0)
+			return -ENXIO;
+		if (expose_physicals < 0) {
+			struct aac_dev *aac =
+				(struct aac_dev *)sdev->host->hostdata;
+			if (!aac->raid_scsi_mode || (sdev_channel(sdev) != 2))
+				sdev->no_uld_attach = 1;
+		}
 	}
 	if (sdev->tagged_supported && (sdev->type == TYPE_DISK) &&
 			(sdev_channel(sdev) == CONTAINER_CHANNEL)) {
@@ -768,7 +774,7 @@ static struct class_device_attribute *aac_attrs[] = {
 };
 
 
-static struct file_operations aac_cfg_fops = {
+static const struct file_operations aac_cfg_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= aac_cfg_ioctl,
 #ifdef CONFIG_COMPAT
@@ -804,7 +810,6 @@ static struct scsi_host_template aac_driver_template = {
 	.emulated                       = 1,
 };
 
-
 static int __devinit aac_probe_one(struct pci_dev *pdev,
 		const struct pci_device_id *id)
 {
diff --git a/drivers/scsi/aacraid/nark.c b/drivers/scsi/aacraid/nark.c
new file mode 100644
index 00000000000..c76b611b6af
--- /dev/null
+++ b/drivers/scsi/aacraid/nark.c
@@ -0,0 +1,87 @@
+/*
+ *	Adaptec AAC series RAID controller driver
+ *	(c) Copyright 2001 Red Hat Inc.	<alan@redhat.com>
+ *
+ * based on the old aacraid driver that is..
+ * Adaptec aacraid device driver for Linux.
+ *
+ * Copyright (c) 2000 Adaptec, Inc. (aacraid@adaptec.com)
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ * Module Name:
+ *  nark.c
+ *
+ * Abstract: Hardware Device Interface for NEMER/ARK
+ *
+ */
+
+#include <linux/pci.h>
+#include <linux/blkdev.h>
+
+#include <scsi/scsi_host.h>
+
+#include "aacraid.h"
+
+/**
+ *	aac_nark_ioremap
+ *	@size: mapping resize request
+ *
+ */
+static int aac_nark_ioremap(struct aac_dev * dev, u32 size)
+{
+	if (!size) {
+		iounmap(dev->regs.rx);
+		dev->regs.rx = NULL;
+		iounmap(dev->base);
+		dev->base = NULL;
+		return 0;
+	}
+	dev->scsi_host_ptr->base = pci_resource_start(dev->pdev, 2);
+	dev->regs.rx = ioremap((u64)pci_resource_start(dev->pdev, 0) |
+	  ((u64)pci_resource_start(dev->pdev, 1) << 32),
+	  sizeof(struct rx_registers) - sizeof(struct rx_inbound));
+	dev->base = NULL;
+	if (dev->regs.rx == NULL)
+		return -1;
+	dev->base = ioremap(dev->scsi_host_ptr->base, size);
+	if (dev->base == NULL) {
+		iounmap(dev->regs.rx);
+		dev->regs.rx = NULL;
+		return -1;
+	}
+	dev->IndexRegs = &((struct rx_registers __iomem *)dev->base)->IndexRegs;
+	return 0;
+}
+
+/**
+ *	aac_nark_init	-	initialize an NEMER/ARK Split Bar card
+ *	@dev: device to configure
+ *
+ */
+
+int aac_nark_init(struct aac_dev * dev)
+{
+	extern int _aac_rx_init(struct aac_dev *dev);
+	extern int aac_rx_select_comm(struct aac_dev *dev, int comm);
+
+	/*
+	 *	Fill in the function dispatch table.
+	 */
+	dev->a_ops.adapter_ioremap = aac_nark_ioremap;
+	dev->a_ops.adapter_comm = aac_rx_select_comm;
+
+	return _aac_rx_init(dev);
+}
diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c
index 643f23b5ded..d953c3fe998 100644
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -34,6 +34,40 @@
 
 #include "aacraid.h"
 
+#define AAC_NUM_IO_FIB_RKT      (246 - AAC_NUM_MGT_FIB)
+
+/**
+ *	aac_rkt_select_comm	-	Select communications method
+ *	@dev: Adapter
+ *	@comm: communications method
+ */
+
+static int aac_rkt_select_comm(struct aac_dev *dev, int comm)
+{
+	int retval;
+	extern int aac_rx_select_comm(struct aac_dev *dev, int comm);
+	retval = aac_rx_select_comm(dev, comm);
+	if (comm == AAC_COMM_MESSAGE) {
+		/*
+		 * FIB Setup has already been done, but we can minimize the
+		 * damage by at least ensuring the OS never issues more
+		 * commands than we can handle. The Rocket adapters currently
+		 * can only handle 246 commands and 8 AIFs at the same time,
+		 * and in fact do notify us accordingly if we negotiate the
+		 * FIB size. The problem that causes us to add this check is
+		 * to ensure that we do not overdo it with the adapter when a
+		 * hard coded FIB override is being utilized. This special
+		 * case warrants this half baked, but convenient, check here.
+		 */
+		if (dev->scsi_host_ptr->can_queue > AAC_NUM_IO_FIB_RKT) {
+			dev->init->MaxIoCommands =
+				cpu_to_le32(AAC_NUM_IO_FIB_RKT + AAC_NUM_MGT_FIB);
+			dev->scsi_host_ptr->can_queue = AAC_NUM_IO_FIB_RKT;
+		}
+	}
+	return retval;
+}
+
 /**
  *	aac_rkt_ioremap
  *	@size: mapping resize request
@@ -63,39 +97,13 @@ static int aac_rkt_ioremap(struct aac_dev * dev, u32 size)
 
 int aac_rkt_init(struct aac_dev *dev)
 {
-	int retval;
 	extern int _aac_rx_init(struct aac_dev *dev);
-	extern void aac_rx_start_adapter(struct aac_dev *dev);
 
 	/*
 	 *	Fill in the function dispatch table.
 	 */
 	dev->a_ops.adapter_ioremap = aac_rkt_ioremap;
+	dev->a_ops.adapter_comm = aac_rkt_select_comm;
 
-	retval = _aac_rx_init(dev);
-	if (retval)
-		return retval;
-	if (dev->new_comm_interface) {
-		/*
-		 * FIB Setup has already been done, but we can minimize the
-		 * damage by at least ensuring the OS never issues more
-		 * commands than we can handle. The Rocket adapters currently
-		 * can only handle 246 commands and 8 AIFs at the same time,
-		 * and in fact do notify us accordingly if we negotiate the
-		 * FIB size. The problem that causes us to add this check is
-		 * to ensure that we do not overdo it with the adapter when a
-		 * hard coded FIB override is being utilized. This special
-		 * case warrants this half baked, but convenient, check here.
-		 */
-		if (dev->scsi_host_ptr->can_queue > (246 - AAC_NUM_MGT_FIB)) {
-			dev->init->MaxIoCommands = cpu_to_le32(246);
-			dev->scsi_host_ptr->can_queue = 246 - AAC_NUM_MGT_FIB;
-		}
-	}
-	/*
-	 *	Tell the adapter that all is configured, and it can start
-	 *	accepting requests
-	 */
-	aac_rx_start_adapter(dev);
-	return 0;
+	return _aac_rx_init(dev);
 }
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index dcc8b0ea7a9..c632d9354a2 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -46,60 +46,60 @@
 
 #include "aacraid.h"
 
-static irqreturn_t aac_rx_intr(int irq, void *dev_id)
+static irqreturn_t aac_rx_intr_producer(int irq, void *dev_id)
 {
 	struct aac_dev *dev = dev_id;
+	unsigned long bellbits;
+	u8 intstat = rx_readb(dev, MUnit.OISR);
 
-	dprintk((KERN_DEBUG "aac_rx_intr(%d,%p)\n", irq, dev_id));
-	if (dev->new_comm_interface) {
-		u32 Index = rx_readl(dev, MUnit.OutboundQueue);
-		if (Index == 0xFFFFFFFFL)
-			Index = rx_readl(dev, MUnit.OutboundQueue);
-		if (Index != 0xFFFFFFFFL) {
-			do {
-				if (aac_intr_normal(dev, Index)) {
-					rx_writel(dev, MUnit.OutboundQueue, Index);
-					rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
-				}
-				Index = rx_readl(dev, MUnit.OutboundQueue);
-			} while (Index != 0xFFFFFFFFL);
-			return IRQ_HANDLED;
+	/*
+	 *	Read mask and invert because drawbridge is reversed.
+	 *	This allows us to only service interrupts that have
+	 *	been enabled.
+	 *	Check to see if this is our interrupt.  If it isn't just return
+	 */
+	if (intstat & ~(dev->OIMR)) {
+		bellbits = rx_readl(dev, OutboundDoorbellReg);
+		if (bellbits & DoorBellPrintfReady) {
+			aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
+			rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
+			rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
 		}
-	} else {
-		unsigned long bellbits;
-		u8 intstat;
-		intstat = rx_readb(dev, MUnit.OISR);
-		/*
-		 *	Read mask and invert because drawbridge is reversed.
-		 *	This allows us to only service interrupts that have 
-		 *	been enabled.
-		 *	Check to see if this is our interrupt.  If it isn't just return
-		 */
-		if (intstat & ~(dev->OIMR)) 
-		{
-			bellbits = rx_readl(dev, OutboundDoorbellReg);
-			if (bellbits & DoorBellPrintfReady) {
-				aac_printf(dev, readl (&dev->IndexRegs->Mailbox[5]));
-				rx_writel(dev, MUnit.ODR,DoorBellPrintfReady);
-				rx_writel(dev, InboundDoorbellReg,DoorBellPrintfDone);
-			}
-			else if (bellbits & DoorBellAdapterNormCmdReady) {
-				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
-				aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
-			}
-			else if (bellbits & DoorBellAdapterNormRespReady) {
-				rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
-				aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
-			}
-			else if (bellbits & DoorBellAdapterNormCmdNotFull) {
-				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
-			}
-			else if (bellbits & DoorBellAdapterNormRespNotFull) {
-				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
-				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
-			}
-			return IRQ_HANDLED;
+		else if (bellbits & DoorBellAdapterNormCmdReady) {
+			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdReady);
+			aac_command_normal(&dev->queues->queue[HostNormCmdQueue]);
+		}
+		else if (bellbits & DoorBellAdapterNormRespReady) {
+			rx_writel(dev, MUnit.ODR,DoorBellAdapterNormRespReady);
+			aac_response_normal(&dev->queues->queue[HostNormRespQueue]);
+		}
+		else if (bellbits & DoorBellAdapterNormCmdNotFull) {
+			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
 		}
+		else if (bellbits & DoorBellAdapterNormRespNotFull) {
+			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormCmdNotFull);
+			rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespNotFull);
+		}
+		return IRQ_HANDLED;
+	}
+	return IRQ_NONE;
+}
+
+static irqreturn_t aac_rx_intr_message(int irq, void *dev_id)
+{
+	struct aac_dev *dev = dev_id;
+	u32 Index = rx_readl(dev, MUnit.OutboundQueue);
+	if (Index == 0xFFFFFFFFL)
+		Index = rx_readl(dev, MUnit.OutboundQueue);
+	if (Index != 0xFFFFFFFFL) {
+		do {
+			if (aac_intr_normal(dev, Index)) {
+				rx_writel(dev, MUnit.OutboundQueue, Index);
+				rx_writel(dev, MUnit.ODR, DoorBellAdapterNormRespReady);
+			}
+			Index = rx_readl(dev, MUnit.OutboundQueue);
+		} while (Index != 0xFFFFFFFFL);
+		return IRQ_HANDLED;
 	}
 	return IRQ_NONE;
 }
@@ -115,6 +115,26 @@ static void aac_rx_disable_interrupt(struct aac_dev *dev)
 }
 
 /**
+ *	aac_rx_enable_interrupt_producer	-	Enable interrupts
+ *	@dev: Adapter
+ */
+
+static void aac_rx_enable_interrupt_producer(struct aac_dev *dev)
+{
+	rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+}
+
+/**
+ *	aac_rx_enable_interrupt_message	-	Enable interrupts
+ *	@dev: Adapter
+ */
+
+static void aac_rx_enable_interrupt_message(struct aac_dev *dev)
+{
+	rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
+}
+
+/**
  *	rx_sync_cmd	-	send a command and wait
  *	@dev: Adapter
  *	@command: Command to execute
@@ -189,10 +209,7 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command,
 		/*
 		 *	Restore interrupt mask even though we timed out
 		 */
-		if (dev->new_comm_interface)
-			rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
-		else
-			rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+		aac_adapter_enable_int(dev);
 		return -ETIMEDOUT;
 	}
 	/*
@@ -215,10 +232,7 @@ static int rx_sync_cmd(struct aac_dev *dev, u32 command,
 	/*
 	 *	Restore interrupt mask
 	 */
-	if (dev->new_comm_interface)
-		rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
-	else
-		rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+	aac_adapter_enable_int(dev);
 	return 0;
 
 }
@@ -360,35 +374,72 @@ static int aac_rx_check_health(struct aac_dev *dev)
 }
 
 /**
- *	aac_rx_send
+ *	aac_rx_deliver_producer
  *	@fib: fib to issue
  *
  *	Will send a fib, returning 0 if successful.
  */
-static int aac_rx_send(struct fib * fib)
+static int aac_rx_deliver_producer(struct fib * fib)
 {
-	u64 addr = fib->hw_fib_pa;
 	struct aac_dev *dev = fib->dev;
-	volatile void __iomem *device = dev->regs.rx;
+	struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
+	unsigned long qflags;
 	u32 Index;
+	unsigned long nointr = 0;
 
-	dprintk((KERN_DEBUG "%p->aac_rx_send(%p->%llx)\n", dev, fib, addr));
-	Index = rx_readl(dev, MUnit.InboundQueue);
-	if (Index == 0xFFFFFFFFL)
+	spin_lock_irqsave(q->lock, qflags);
+	aac_queue_get( dev, &Index, AdapNormCmdQueue, fib->hw_fib, 1, fib, &nointr);
+
+	q->numpending++;
+	*(q->headers.producer) = cpu_to_le32(Index + 1);
+	spin_unlock_irqrestore(q->lock, qflags);
+	if (!(nointr & aac_config.irq_mod))
+		aac_adapter_notify(dev, AdapNormCmdQueue);
+
+	return 0;
+}
+
+/**
+ *	aac_rx_deliver_message
+ *	@fib: fib to issue
+ *
+ *	Will send a fib, returning 0 if successful.
+ */
+static int aac_rx_deliver_message(struct fib * fib)
+{
+	struct aac_dev *dev = fib->dev;
+	struct aac_queue *q = &dev->queues->queue[AdapNormCmdQueue];
+	unsigned long qflags;
+	u32 Index;
+	u64 addr;
+	volatile void __iomem *device;
+
+	unsigned long count = 10000000L; /* 50 seconds */
+	spin_lock_irqsave(q->lock, qflags);
+	q->numpending++;
+	spin_unlock_irqrestore(q->lock, qflags);
+	for(;;) {
 		Index = rx_readl(dev, MUnit.InboundQueue);
-	dprintk((KERN_DEBUG "Index = 0x%x\n", Index));
-	if (Index == 0xFFFFFFFFL)
-		return Index;
+		if (Index == 0xFFFFFFFFL)
+			Index = rx_readl(dev, MUnit.InboundQueue);
+		if (Index != 0xFFFFFFFFL)
+			break;
+		if (--count == 0) {
+			spin_lock_irqsave(q->lock, qflags);
+			q->numpending--;
+			spin_unlock_irqrestore(q->lock, qflags);
+			return -ETIMEDOUT;
+		}
+		udelay(5);
+	}
 	device = dev->base + Index;
-	dprintk((KERN_DEBUG "entry = %x %x %u\n", (u32)(addr & 0xffffffff),
-	  (u32)(addr >> 32), (u32)le16_to_cpu(fib->hw_fib->header.Size)));
+	addr = fib->hw_fib_pa;
 	writel((u32)(addr & 0xffffffff), device);
 	device += sizeof(u32);
 	writel((u32)(addr >> 32), device);
 	device += sizeof(u32);
 	writel(le16_to_cpu(fib->hw_fib->header.Size), device);
 	rx_writel(dev, MUnit.InboundQueue, Index);
-	dprintk((KERN_DEBUG "aac_rx_send - return 0\n"));
 	return 0;
 }
 
@@ -430,6 +481,31 @@ static int aac_rx_restart_adapter(struct aac_dev *dev)
 }
 
 /**
+ *	aac_rx_select_comm	-	Select communications method
+ *	@dev: Adapter
+ *	@comm: communications method
+ */
+
+int aac_rx_select_comm(struct aac_dev *dev, int comm)
+{
+	switch (comm) {
+	case AAC_COMM_PRODUCER:
+		dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_producer;
+		dev->a_ops.adapter_intr = aac_rx_intr_producer;
+		dev->a_ops.adapter_deliver = aac_rx_deliver_producer;
+		break;
+	case AAC_COMM_MESSAGE:
+		dev->a_ops.adapter_enable_int = aac_rx_enable_interrupt_message;
+		dev->a_ops.adapter_intr = aac_rx_intr_message;
+		dev->a_ops.adapter_deliver = aac_rx_deliver_message;
+		break;
+	default:
+		return 1;
+	}
+	return 0;
+}
+
+/**
  *	aac_rx_init	-	initialize an i960 based AAC card
  *	@dev: device to configure
  *
@@ -489,40 +565,42 @@ int _aac_rx_init(struct aac_dev *dev)
 		}
 		msleep(1);
 	}
-	if (request_irq(dev->scsi_host_ptr->irq, aac_rx_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev)<0)
-	{
-		printk(KERN_ERR "%s%d: Interrupt unavailable.\n", name, instance);
-		goto error_iounmap;
-	}
 	/*
-	 *	Fill in the function dispatch table.
+	 *	Fill in the common function dispatch table.
 	 */
 	dev->a_ops.adapter_interrupt = aac_rx_interrupt_adapter;
 	dev->a_ops.adapter_disable_int = aac_rx_disable_interrupt;
 	dev->a_ops.adapter_notify = aac_rx_notify_adapter;
 	dev->a_ops.adapter_sync_cmd = rx_sync_cmd;
 	dev->a_ops.adapter_check_health = aac_rx_check_health;
-	dev->a_ops.adapter_send = aac_rx_send;
 
 	/*
 	 *	First clear out all interrupts.  Then enable the one's that we
 	 *	can handle.
 	 */
-	rx_writeb(dev, MUnit.OIMR, 0xff);
+	aac_adapter_comm(dev, AAC_COMM_PRODUCER);
+	aac_adapter_disable_int(dev);
 	rx_writel(dev, MUnit.ODR, 0xffffffff);
-	rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+	aac_adapter_enable_int(dev);
 
 	if (aac_init_adapter(dev) == NULL)
-		goto error_irq;
-	if (dev->new_comm_interface)
-		rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xf7);
+		goto error_iounmap;
+	aac_adapter_comm(dev, dev->comm_interface);
+	if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr,
+			IRQF_SHARED|IRQF_DISABLED, "aacraid", dev) < 0) {
+		printk(KERN_ERR "%s%d: Interrupt unavailable.\n",
+			name, instance);
+		goto error_iounmap;
+	}
+	aac_adapter_enable_int(dev);
+	/*
+	 *	Tell the adapter that all is configured, and it can
+	 * start accepting requests
+	 */
+	aac_rx_start_adapter(dev);
 
 	return 0;
 
-error_irq:
-	rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
-	free_irq(dev->scsi_host_ptr->irq, (void *)dev);
-
 error_iounmap:
 
 	return -1;
@@ -530,20 +608,11 @@ error_iounmap:
 
 int aac_rx_init(struct aac_dev *dev)
 {
-	int retval;
-
 	/*
 	 *	Fill in the function dispatch table.
 	 */
 	dev->a_ops.adapter_ioremap = aac_rx_ioremap;
+	dev->a_ops.adapter_comm = aac_rx_select_comm;
 
-	retval = _aac_rx_init(dev);
-	if (!retval) {
-		/*
-		 *	Tell the adapter that all is configured, and it can
-		 * start accepting requests
-		 */
-		aac_rx_start_adapter(dev);
-	}
-	return retval;
+	return _aac_rx_init(dev);
 }
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 511b0a938fb..8535db068c2 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -92,6 +92,17 @@ static void aac_sa_disable_interrupt (struct aac_dev *dev)
 }
 
 /**
+ *	aac_sa_enable_interrupt	-	enable interrupt
+ *	@dev: Which adapter to enable.
+ */
+
+static void aac_sa_enable_interrupt (struct aac_dev *dev)
+{
+	sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 |
+				DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
+}
+
+/**
  *	aac_sa_notify_adapter		-	handle adapter notification
  *	@dev:	Adapter that notification is for
  *	@event:	Event to notidy
@@ -347,32 +358,36 @@ int aac_sa_init(struct aac_dev *dev)
 		msleep(1);
 	}
 
-	if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev ) < 0) {
-		printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", name, instance);
-		goto error_iounmap;
-	}
-
 	/*
 	 *	Fill in the function dispatch table.
 	 */
 
 	dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter;
 	dev->a_ops.adapter_disable_int = aac_sa_disable_interrupt;
+	dev->a_ops.adapter_enable_int = aac_sa_enable_interrupt;
 	dev->a_ops.adapter_notify = aac_sa_notify_adapter;
 	dev->a_ops.adapter_sync_cmd = sa_sync_cmd;
 	dev->a_ops.adapter_check_health = aac_sa_check_health;
+	dev->a_ops.adapter_intr = aac_sa_intr;
 	dev->a_ops.adapter_ioremap = aac_sa_ioremap;
 
 	/*
 	 *	First clear out all interrupts.  Then enable the one's that 
 	 *	we can handle.
 	 */
-	sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
-	sa_writew(dev, SaDbCSR.PRICLEARIRQMASK, (PrintfReady | DOORBELL_1 | 
-				DOORBELL_2 | DOORBELL_3 | DOORBELL_4));
+	aac_adapter_disable_int(dev);
+	aac_adapter_enable_int(dev);
 
 	if(aac_init_adapter(dev) == NULL)
 		goto error_irq;
+	if (request_irq(dev->scsi_host_ptr->irq, dev->a_ops.adapter_intr,
+			IRQF_SHARED|IRQF_DISABLED,
+			"aacraid", (void *)dev ) < 0) {
+		printk(KERN_WARNING "%s%d: Interrupt unavailable.\n",
+			name, instance);
+		goto error_iounmap;
+	}
+	aac_adapter_enable_int(dev);
 
 	/*
 	 *	Tell the adapter that all is configure, and it can start 
@@ -382,7 +397,7 @@ int aac_sa_init(struct aac_dev *dev)
 	return 0;
 
 error_irq:
-	sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
+	aac_sa_disable_interrupt(dev);
 	free_irq(dev->scsi_host_ptr->irq, (void *)dev);
 
 error_iounmap:
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 306bec355e4..9b3303b6411 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -4403,7 +4403,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                         ASC_DBG1(1,
                                 "advansys_detect: probing I/O port 0x%x...\n",
                             iop);
-                        if (check_region(iop, ASC_IOADR_GAP) != 0) {
+			if (!request_region(iop, ASC_IOADR_GAP, "advansys")){
                             printk(
 "AdvanSys SCSI: specified I/O Port 0x%X is busy\n", iop);
                             /* Don't try this I/O port twice. */
@@ -4413,6 +4413,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                             printk(
 "AdvanSys SCSI: specified I/O Port 0x%X has no adapter\n", iop);
                             /* Don't try this I/O port twice. */
+			    release_region(iop, ASC_IOADR_GAP);
                             asc_ioport[ioport] = 0;
                             goto ioport_try_again;
                         } else {
@@ -4431,6 +4432,7 @@ advansys_detect(struct scsi_host_template *tpnt)
                                   * 'ioport' past this board.
                                   */
                                  ioport++;
+				 release_region(iop, ASC_IOADR_GAP);
                                  goto ioport_try_again;
                             }
                         }
@@ -9740,13 +9742,14 @@ AscSearchIOPortAddr11(
     }
     for (; i < ASC_IOADR_TABLE_MAX_IX; i++) {
         iop_base = _asc_def_iop_base[i];
-        if (check_region(iop_base, ASC_IOADR_GAP) != 0) {
+	if (!request_region(iop_base, ASC_IOADR_GAP, "advansys")){
             ASC_DBG1(1,
                "AscSearchIOPortAddr11: check_region() failed I/O port 0x%x\n",
                      iop_base);
             continue;
         }
         ASC_DBG1(1, "AscSearchIOPortAddr11: probing I/O port 0x%x\n", iop_base);
+	release_region(iop_base, ASC_IOADR_GAP);
         if (AscFindSignature(iop_base)) {
             return (iop_base);
         }
diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h
index 170a4344cbb..27adbb294ac 100644
--- a/drivers/scsi/aic7xxx/aic79xx.h
+++ b/drivers/scsi/aic7xxx/aic79xx.h
@@ -1337,9 +1337,6 @@ int	ahd_pci_test_register_access(struct ahd_softc *);
 /************************** SCB and SCB queue management **********************/
 void		ahd_qinfifo_requeue_tail(struct ahd_softc *ahd,
 					 struct scb *scb);
-int		ahd_match_scb(struct ahd_softc *ahd, struct scb *scb,
-			      int target, char channel, int lun,
-			      u_int tag, role_t role);
 
 /****************************** Initialization ********************************/
 struct ahd_softc	*ahd_alloc(void *platform_arg, char *name);
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 07a86a30f67..9ddc6e4a74b 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -262,6 +262,9 @@ static void		ahd_update_coalescing_values(struct ahd_softc *ahd,
 						     u_int mincmds);
 static int		ahd_verify_vpd_cksum(struct vpd_config *vpd);
 static int		ahd_wait_seeprom(struct ahd_softc *ahd);
+static int		ahd_match_scb(struct ahd_softc *ahd, struct scb *scb,
+				      int target, char channel, int lun,
+				      u_int tag, role_t role);
 
 /******************************** Private Inlines *****************************/
 
@@ -7256,7 +7259,7 @@ ahd_busy_tcl(struct ahd_softc *ahd, u_int tcl, u_int scbid)
 }
 
 /************************** SCB and SCB queue management **********************/
-int
+static int
 ahd_match_scb(struct ahd_softc *ahd, struct scb *scb, int target,
 	      char channel, int lun, u_int tag, role_t role)
 {
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 9bfcca5ede0..c7fe478f481 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -1126,15 +1126,6 @@ ahd_linux_register_host(struct ahd_softc *ahd, struct scsi_host_template *templa
 	return 0;
 }
 
-uint64_t
-ahd_linux_get_memsize(void)
-{
-	struct sysinfo si;
-
-	si_meminfo(&si);
-	return ((uint64_t)si.totalram << PAGE_SHIFT);
-}
-
 /*
  * Place the SCSI bus into a known state by either resetting it,
  * or forcing transfer negotiations on the next command to any
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h
index 3a67fc578d7..147c83c456a 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.h
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.h
@@ -496,8 +496,6 @@ ahd_insb(struct ahd_softc * ahd, long port, uint8_t *array, int count)
 int		ahd_linux_register_host(struct ahd_softc *,
 					struct scsi_host_template *);
 
-uint64_t	ahd_linux_get_memsize(void);
-
 /*************************** Pretty Printing **********************************/
 struct info_str {
 	char *buffer;
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 1a3ab6aa856..c62ce41f279 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -132,6 +132,7 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct		 ahd_pci_identity *entry;
 	char		*name;
 	int		 error;
+	struct device	*dev = &pdev->dev;
 
 	pci = pdev;
 	entry = ahd_find_pci_device(pci);
@@ -161,20 +162,18 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 	pci_set_master(pdev);
 
 	if (sizeof(dma_addr_t) > 4) {
-		uint64_t   memsize;
-		const uint64_t mask_39bit = 0x7FFFFFFFFFULL;
+		const u64 required_mask = dma_get_required_mask(dev);
 
-		memsize = ahd_linux_get_memsize();
-
-		if (memsize >= 0x8000000000ULL
-	 	 && pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
+		if (required_mask > DMA_39BIT_MASK &&
+		    dma_set_mask(dev, DMA_64BIT_MASK) == 0)
 			ahd->flags |= AHD_64BIT_ADDRESSING;
-		} else if (memsize > 0x80000000
-			&& pci_set_dma_mask(pdev, mask_39bit) == 0) {
+		else if (required_mask > DMA_32BIT_MASK &&
+			 dma_set_mask(dev, DMA_39BIT_MASK) == 0)
 			ahd->flags |= AHD_39BIT_ADDRESSING;
-		}
+		else
+			dma_set_mask(dev, DMA_32BIT_MASK);
 	} else {
-		pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+		dma_set_mask(dev, DMA_32BIT_MASK);
 	}
 	ahd->dev_softc = pci;
 	error = ahd_pci_config(ahd, entry);
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 2cf7bb3123f..8d72bbae96a 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -88,7 +88,7 @@ ahd_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
 
 #define SUBID_9005_LEGACYCONN_FUNC(id) ((id) & 0x20)
 
-#define SUBID_9005_SEEPTYPE(id) ((id) & 0x0C0) >> 6)
+#define SUBID_9005_SEEPTYPE(id) (((id) & 0x0C0) >> 6)
 #define		SUBID_9005_SEEPTYPE_NONE	0x0
 #define		SUBID_9005_SEEPTYPE_4K		0x1
 
diff --git a/drivers/scsi/aic94xx/aic94xx_dev.c b/drivers/scsi/aic94xx/aic94xx_dev.c
index 6f8901b748f..c520e5b41fb 100644
--- a/drivers/scsi/aic94xx/aic94xx_dev.c
+++ b/drivers/scsi/aic94xx/aic94xx_dev.c
@@ -37,18 +37,14 @@
 
 static inline int asd_get_ddb(struct asd_ha_struct *asd_ha)
 {
-	unsigned long flags;
 	int ddb, i;
 
-	spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
 	ddb = FIND_FREE_DDB(asd_ha);
 	if (ddb >= asd_ha->hw_prof.max_ddbs) {
 		ddb = -ENOMEM;
-		spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 		goto out;
 	}
 	SET_DDB(ddb, asd_ha);
-	spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 
 	for (i = 0; i < sizeof(struct asd_ddb_ssp_smp_target_port); i+= 4)
 		asd_ddbsite_write_dword(asd_ha, ddb, i, 0);
@@ -77,14 +73,10 @@ out:
 
 static inline void asd_free_ddb(struct asd_ha_struct *asd_ha, int ddb)
 {
-	unsigned long flags;
-
 	if (!ddb || ddb >= 0xFFFF)
 		return;
 	asd_ddbsite_write_byte(asd_ha, ddb, DDB_TYPE, DDB_TYPE_UNUSED);
-	spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
 	CLEAR_DDB(ddb, asd_ha);
-	spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 }
 
 static inline void asd_set_ddb_type(struct domain_device *dev)
@@ -320,8 +312,11 @@ out:
 
 int asd_dev_found(struct domain_device *dev)
 {
+	unsigned long flags;
 	int res = 0;
+	struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 
+	spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
 	switch (dev->dev_type) {
 	case SATA_PM:
 		res = asd_init_sata_pm_ddb(dev);
@@ -335,14 +330,18 @@ int asd_dev_found(struct domain_device *dev)
 		else
 			res = asd_init_initiator_ddb(dev);
 	}
+	spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
+
 	return res;
 }
 
 void asd_dev_gone(struct domain_device *dev)
 {
 	int ddb, sister_ddb;
+	unsigned long flags;
 	struct asd_ha_struct *asd_ha = dev->port->ha->lldd_ha;
 
+	spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
 	ddb = (int) (unsigned long) dev->lldd_dev;
 	sister_ddb = asd_ddbsite_read_word(asd_ha, ddb, SISTER_DDB);
 
@@ -350,4 +349,5 @@ void asd_dev_gone(struct domain_device *dev)
 		asd_free_ddb(asd_ha, sister_ddb);
 	asd_free_ddb(asd_ha, ddb);
 	dev->lldd_dev = NULL;
+	spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 }
diff --git a/drivers/scsi/aic94xx/aic94xx_dump.c b/drivers/scsi/aic94xx/aic94xx_dump.c
index e6ade5996d9..6bd8e3059d2 100644
--- a/drivers/scsi/aic94xx/aic94xx_dump.c
+++ b/drivers/scsi/aic94xx/aic94xx_dump.c
@@ -556,7 +556,7 @@ static void asd_dump_lseq_state(struct asd_ha_struct *asd_ha, int lseq)
 	PRINT_LMIP_word(asd_ha, lseq, Q_TGTXFR_TAIL);
 	PRINT_LMIP_byte(asd_ha, lseq, LINK_NUMBER);
 	PRINT_LMIP_byte(asd_ha, lseq, SCRATCH_FLAGS);
-	PRINT_LMIP_qword(asd_ha, lseq, CONNECTION_STATE);
+	PRINT_LMIP_dword(asd_ha, lseq, CONNECTION_STATE);
 	PRINT_LMIP_word(asd_ha, lseq, CONCTL);
 	PRINT_LMIP_byte(asd_ha, lseq, CONSTAT);
 	PRINT_LMIP_byte(asd_ha, lseq, CONNECTION_MODES);
diff --git a/drivers/scsi/aic94xx/aic94xx_hwi.c b/drivers/scsi/aic94xx/aic94xx_hwi.c
index da94e126ca8..0cd7eed9196 100644
--- a/drivers/scsi/aic94xx/aic94xx_hwi.c
+++ b/drivers/scsi/aic94xx/aic94xx_hwi.c
@@ -1052,10 +1052,9 @@ static inline struct asd_ascb *asd_ascb_alloc(struct asd_ha_struct *asd_ha,
 	struct asd_ascb *ascb;
 	unsigned long flags;
 
-	ascb = kmem_cache_alloc(asd_ascb_cache, gfp_flags);
+	ascb = kmem_cache_zalloc(asd_ascb_cache, gfp_flags);
 
 	if (ascb) {
-		memset(ascb, 0, sizeof(*ascb));
 		ascb->dma_scb.size = sizeof(struct scb);
 		ascb->dma_scb.vaddr = dma_pool_alloc(asd_ha->scb_pool,
 						     gfp_flags,
diff --git a/drivers/scsi/aic94xx/aic94xx_init.c b/drivers/scsi/aic94xx/aic94xx_init.c
index fbc82b00a41..bc7744e35ad 100644
--- a/drivers/scsi/aic94xx/aic94xx_init.c
+++ b/drivers/scsi/aic94xx/aic94xx_init.c
@@ -38,7 +38,7 @@
 #include "aic94xx_seq.h"
 
 /* The format is "version.release.patchlevel" */
-#define ASD_DRIVER_VERSION "1.0.2"
+#define ASD_DRIVER_VERSION "1.0.3"
 
 static int use_msi = 0;
 module_param_named(use_msi, use_msi, int, S_IRUGO);
@@ -57,6 +57,8 @@ MODULE_PARM_DESC(collector, "\n"
 char sas_addr_str[2*SAS_ADDR_SIZE + 1] = "";
 
 static struct scsi_transport_template *aic94xx_transport_template;
+static int asd_scan_finished(struct Scsi_Host *, unsigned long);
+static void asd_scan_start(struct Scsi_Host *);
 
 static struct scsi_host_template aic94xx_sht = {
 	.module			= THIS_MODULE,
@@ -66,6 +68,8 @@ static struct scsi_host_template aic94xx_sht = {
 	.target_alloc		= sas_target_alloc,
 	.slave_configure	= sas_slave_configure,
 	.slave_destroy		= sas_slave_destroy,
+	.scan_finished		= asd_scan_finished,
+	.scan_start		= asd_scan_start,
 	.change_queue_depth	= sas_change_queue_depth,
 	.change_queue_type	= sas_change_queue_type,
 	.bios_param		= sas_bios_param,
@@ -75,6 +79,8 @@ static struct scsi_host_template aic94xx_sht = {
 	.sg_tablesize		= SG_ALL,
 	.max_sectors		= SCSI_DEFAULT_MAX_SECTORS,
 	.use_clustering		= ENABLE_CLUSTERING,
+	.eh_device_reset_handler	= sas_eh_device_reset_handler,
+	.eh_bus_reset_handler	= sas_eh_bus_reset_handler,
 };
 
 static int __devinit asd_map_memio(struct asd_ha_struct *asd_ha)
@@ -234,7 +240,7 @@ static int __devinit asd_common_setup(struct asd_ha_struct *asd_ha)
 	}
 	/* Provide some sane default values. */
 	asd_ha->hw_prof.max_scbs = 512;
-	asd_ha->hw_prof.max_ddbs = 128;
+	asd_ha->hw_prof.max_ddbs = ASD_MAX_DDBS;
 	asd_ha->hw_prof.num_phys = ASD_MAX_PHYS;
 	/* All phys are enabled, by default. */
 	asd_ha->hw_prof.enabled_phys = 0xFF;
@@ -526,6 +532,7 @@ static int asd_register_sas_ha(struct asd_ha_struct *asd_ha)
 	asd_ha->sas_ha.num_phys= ASD_MAX_PHYS;
 
 	asd_ha->sas_ha.lldd_queue_size = asd_ha->seq.can_queue;
+	asd_ha->sas_ha.lldd_max_execute_num = lldd_max_execute_num;
 
 	return sas_register_ha(&asd_ha->sas_ha);
 }
@@ -671,21 +678,10 @@ static int __devinit asd_pci_probe(struct pci_dev *dev,
 	if (err)
 		goto Err_reg_sas;
 
-	err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
-	if (err) {
-		asd_printk("coudln't enable phys, err:%d\n", err);
-		goto Err_en_phys;
-	}
-	ASD_DPRINTK("enabled phys\n");
-	/* give the phy enabling interrupt event time to come in (1s
-	 * is empirically about all it takes) */
-	ssleep(1);
-	/* Wait for discovery to finish */
-	scsi_flush_work(asd_ha->sas_ha.core.shost);
+	scsi_scan_host(shost);
 
 	return 0;
-Err_en_phys:
-	asd_unregister_sas_ha(asd_ha);
+
 Err_reg_sas:
 	asd_remove_dev_attrs(asd_ha);
 Err_dev_attrs:
@@ -778,6 +774,28 @@ static void __devexit asd_pci_remove(struct pci_dev *dev)
 	return;
 }
 
+static void asd_scan_start(struct Scsi_Host *shost)
+{
+	struct asd_ha_struct *asd_ha;
+	int err;
+
+	asd_ha = SHOST_TO_SAS_HA(shost)->lldd_ha;
+	err = asd_enable_phys(asd_ha, asd_ha->hw_prof.enabled_phys);
+	if (err)
+		asd_printk("Couldn't enable phys, err:%d\n", err);
+}
+
+static int asd_scan_finished(struct Scsi_Host *shost, unsigned long time)
+{
+	/* give the phy enabling interrupt event time to come in (1s
+	 * is empirically about all it takes) */
+	if (time < HZ)
+		return 0;
+	/* Wait for discovery to finish */
+	scsi_flush_work(shost);
+	return 1;
+}
+
 static ssize_t asd_version_show(struct device_driver *driver, char *buf)
 {
 	return snprintf(buf, PAGE_SIZE, "%s\n", ASD_DRIVER_VERSION);
@@ -885,6 +903,7 @@ static void __exit aic94xx_exit(void)
 	asd_remove_driver_attrs(&aic94xx_pci_driver.driver);
 	pci_unregister_driver(&aic94xx_pci_driver);
 	sas_release_transport(aic94xx_transport_template);
+	asd_release_firmware();
 	asd_destroy_global_caches();
 	asd_printk("%s version %s unloaded\n", ASD_DRIVER_DESCRIPTION,
 		   ASD_DRIVER_VERSION);
diff --git a/drivers/scsi/aic94xx/aic94xx_reg_def.h b/drivers/scsi/aic94xx/aic94xx_reg_def.h
index a11f4e6d8bd..a43e8cdf4ee 100644
--- a/drivers/scsi/aic94xx/aic94xx_reg_def.h
+++ b/drivers/scsi/aic94xx/aic94xx_reg_def.h
@@ -2226,9 +2226,10 @@
 #define LmSEQ_SAS_RESET_MODE(LinkNum)		(LmSCRATCH(LinkNum) + 0x0074)
 #define LmSEQ_LINK_RESET_RETRY_COUNT(LinkNum)	(LmSCRATCH(LinkNum) + 0x0075)
 #define LmSEQ_NUM_LINK_RESET_RETRIES(LinkNum)	(LmSCRATCH(LinkNum) + 0x0076)
-#define LmSEQ_OOB_INT_ENABLES(LinkNum)		(LmSCRATCH(LinkNum) + 0x007A)
+#define LmSEQ_OOB_INT_ENABLES(LinkNum)		(LmSCRATCH(LinkNum) + 0x0078)
+#define LmSEQ_NOTIFY_TIMER_DOWN_COUNT(LinkNum)	(LmSCRATCH(LinkNum) + 0x007A)
 #define LmSEQ_NOTIFY_TIMER_TIMEOUT(LinkNum)	(LmSCRATCH(LinkNum) + 0x007C)
-#define LmSEQ_NOTIFY_TIMER_DOWN_COUNT(LinkNum)	(LmSCRATCH(LinkNum) + 0x007E)
+#define LmSEQ_NOTIFY_TIMER_INITIAL_COUNT(LinkNum) (LmSCRATCH(LinkNum) + 0x007E)
 
 /* Mode dependent scratch page 1, mode 0 and mode 1 */
 #define LmSEQ_SG_LIST_PTR_ADDR0(LinkNum)        (LmSCRATCH(LinkNum) + 0x0020)
diff --git a/drivers/scsi/aic94xx/aic94xx_sas.h b/drivers/scsi/aic94xx/aic94xx_sas.h
index 9050e93bfd5..fa7c5290257 100644
--- a/drivers/scsi/aic94xx/aic94xx_sas.h
+++ b/drivers/scsi/aic94xx/aic94xx_sas.h
@@ -34,6 +34,7 @@
  * domain that this sequencer can maintain low-level connections for
  * us.  They are be 64 bytes.
  */
+#define ASD_MAX_DDBS	128
 
 struct asd_ddb_ssp_smp_target_port {
 	u8     conn_type;	  /* byte 0 */
diff --git a/drivers/scsi/aic94xx/aic94xx_scb.c b/drivers/scsi/aic94xx/aic94xx_scb.c
index 75ed6b0569d..8f43ff772f2 100644
--- a/drivers/scsi/aic94xx/aic94xx_scb.c
+++ b/drivers/scsi/aic94xx/aic94xx_scb.c
@@ -413,40 +413,6 @@ void asd_invalidate_edb(struct asd_ascb *ascb, int edb_id)
 	}
 }
 
-/* hard reset a phy later */
-static void do_phy_reset_later(struct work_struct *work)
-{
-	struct sas_phy *sas_phy =
-		container_of(work, struct sas_phy, reset_work);
-	int error;
-
-	ASD_DPRINTK("%s: About to hard reset phy %d\n", __FUNCTION__,
-		    sas_phy->identify.phy_identifier);
-	/* Reset device port */
-	error = sas_phy_reset(sas_phy, 1);
-	if (error)
-		ASD_DPRINTK("%s: Hard reset of phy %d failed (%d).\n",
-			    __FUNCTION__, sas_phy->identify.phy_identifier, error);
-}
-
-static void phy_reset_later(struct sas_phy *sas_phy, struct Scsi_Host *shost)
-{
-	INIT_WORK(&sas_phy->reset_work, do_phy_reset_later);
-	queue_work(shost->work_q, &sas_phy->reset_work);
-}
-
-/* start up the ABORT TASK tmf... */
-static void task_kill_later(struct asd_ascb *ascb)
-{
-	struct asd_ha_struct *asd_ha = ascb->ha;
-	struct sas_ha_struct *sas_ha = &asd_ha->sas_ha;
-	struct Scsi_Host *shost = sas_ha->core.shost;
-	struct sas_task *task = ascb->uldd_task;
-
-	INIT_WORK(&task->abort_work, sas_task_abort);
-	queue_work(shost->work_q, &task->abort_work);
-}
-
 static void escb_tasklet_complete(struct asd_ascb *ascb,
 				  struct done_list_struct *dl)
 {
@@ -479,26 +445,55 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
 	case REQ_TASK_ABORT: {
 		struct asd_ascb *a, *b;
 		u16 tc_abort;
+		struct domain_device *failed_dev = NULL;
+
+		ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n",
+			    __FUNCTION__, dl->status_block[3]);
 
+		/*
+		 * Find the task that caused the abort and abort it first.
+		 * The sequencer won't put anything on the done list until
+		 * that happens.
+		 */
 		tc_abort = *((u16*)(&dl->status_block[1]));
 		tc_abort = le16_to_cpu(tc_abort);
 
-		ASD_DPRINTK("%s: REQ_TASK_ABORT, reason=0x%X\n",
-			    __FUNCTION__, dl->status_block[3]);
+		list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) {
+			struct sas_task *task = ascb->uldd_task;
 
-		/* Find the pending task and abort it. */
-		list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list)
-			if (a->tc_index == tc_abort) {
-				task_kill_later(a);
+			if (task && a->tc_index == tc_abort) {
+				failed_dev = task->dev;
+				sas_task_abort(task);
 				break;
 			}
+		}
+
+		if (!failed_dev) {
+			ASD_DPRINTK("%s: Can't find task (tc=%d) to abort!\n",
+				    __FUNCTION__, tc_abort);
+			goto out;
+		}
+
+		/*
+		 * Now abort everything else for that device (hba?) so
+		 * that the EH will wake up and do something.
+		 */
+		list_for_each_entry_safe(a, b, &asd_ha->seq.pend_q, list) {
+			struct sas_task *task = ascb->uldd_task;
+
+			if (task &&
+			    task->dev == failed_dev &&
+			    a->tc_index != tc_abort)
+				sas_task_abort(task);
+		}
+
 		goto out;
 	}
 	case REQ_DEVICE_RESET: {
-		struct Scsi_Host *shost = sas_ha->core.shost;
-		struct sas_phy *dev_phy;
 		struct asd_ascb *a;
 		u16 conn_handle;
+		unsigned long flags;
+		struct sas_task *last_dev_task = NULL;
 
 		conn_handle = *((u16*)(&dl->status_block[1]));
 		conn_handle = le16_to_cpu(conn_handle);
@@ -506,32 +501,47 @@ static void escb_tasklet_complete(struct asd_ascb *ascb,
 		ASD_DPRINTK("%s: REQ_DEVICE_RESET, reason=0x%X\n", __FUNCTION__,
 			    dl->status_block[3]);
 
-		/* Kill all pending tasks and reset the device */
-		dev_phy = NULL;
+		/* Find the last pending task for the device... */
 		list_for_each_entry(a, &asd_ha->seq.pend_q, list) {
-			struct sas_task *task;
-			struct domain_device *dev;
 			u16 x;
+			struct domain_device *dev;
+			struct sas_task *task = a->uldd_task;
 
-			task = a->uldd_task;
 			if (!task)
 				continue;
 			dev = task->dev;
 
 			x = (unsigned long)dev->lldd_dev;
-			if (x == conn_handle) {
-				dev_phy = dev->port->phy;
-				task_kill_later(a);
-			}
+			if (x == conn_handle)
+				last_dev_task = task;
 		}
 
-		/* Reset device port */
-		if (!dev_phy) {
-			ASD_DPRINTK("%s: No pending commands; can't reset.\n",
-				    __FUNCTION__);
+		if (!last_dev_task) {
+			ASD_DPRINTK("%s: Device reset for idle device %d?\n",
+				    __FUNCTION__, conn_handle);
 			goto out;
 		}
-		phy_reset_later(dev_phy, shost);
+
+		/* ...and set the reset flag */
+		spin_lock_irqsave(&last_dev_task->task_state_lock, flags);
+		last_dev_task->task_state_flags |= SAS_TASK_NEED_DEV_RESET;
+		spin_unlock_irqrestore(&last_dev_task->task_state_lock, flags);
+
+		/* Kill all pending tasks for the device */
+		list_for_each_entry(a, &asd_ha->seq.pend_q, list) {
+			u16 x;
+			struct domain_device *dev;
+			struct sas_task *task = a->uldd_task;
+
+			if (!task)
+				continue;
+			dev = task->dev;
+
+			x = (unsigned long)dev->lldd_dev;
+			if (x == conn_handle)
+				sas_task_abort(task);
+		}
+
 		goto out;
 	}
 	case SIGNAL_NCQ_ERROR:
diff --git a/drivers/scsi/aic94xx/aic94xx_sds.c b/drivers/scsi/aic94xx/aic94xx_sds.c
index e5a0ec37e95..5b0932f6147 100644
--- a/drivers/scsi/aic94xx/aic94xx_sds.c
+++ b/drivers/scsi/aic94xx/aic94xx_sds.c
@@ -427,7 +427,7 @@ struct asd_manuf_sec {
 
 struct asd_manuf_phy_desc {
 	u8    state;         /* low 4 bits */
-#define MS_PHY_STATE_ENABLEABLE 0
+#define MS_PHY_STATE_ENABLED    0
 #define MS_PHY_STATE_REPORTED   1
 #define MS_PHY_STATE_HIDDEN     2
 	u8    phy_id;
@@ -756,11 +756,11 @@ static void *asd_find_ll_by_id(void * const start, const u8 id0, const u8 id1)
  *
  * HIDDEN phys do not count in the total count.  REPORTED phys cannot
  * be enabled but are reported and counted towards the total.
- * ENEBLEABLE phys are enabled by default and count towards the total.
+ * ENABLED phys are enabled by default and count towards the total.
  * The absolute total phy number is ASD_MAX_PHYS.  hw_prof->num_phys
  * merely specifies the number of phys the host adapter decided to
  * report.  E.g., it is possible for phys 0, 1 and 2 to be HIDDEN,
- * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENEBLEABLE.
+ * phys 3, 4 and 5 to be REPORTED and phys 6 and 7 to be ENABLED.
  * In this case ASD_MAX_PHYS is 8, hw_prof->num_phys is 5, and only 2
  * are actually enabled (enabled by default, max number of phys
  * enableable in this case).
@@ -816,8 +816,8 @@ static int asd_ms_get_phy_params(struct asd_ha_struct *asd_ha,
 			asd_ha->hw_prof.enabled_phys &= ~(1 << i);
 			rep_phys++;
 			continue;
-		case MS_PHY_STATE_ENABLEABLE:
-			ASD_DPRINTK("ms: phy%d: ENEBLEABLE\n", i);
+		case MS_PHY_STATE_ENABLED:
+			ASD_DPRINTK("ms: phy%d: ENABLED\n", i);
 			asd_ha->hw_prof.enabled_phys |= (1 << i);
 			en_phys++;
 			break;
diff --git a/drivers/scsi/aic94xx/aic94xx_seq.c b/drivers/scsi/aic94xx/aic94xx_seq.c
index 845112539d0..eae7a247bec 100644
--- a/drivers/scsi/aic94xx/aic94xx_seq.c
+++ b/drivers/scsi/aic94xx/aic94xx_seq.c
@@ -810,6 +810,8 @@ static void asd_init_lseq_mdp(struct asd_ha_struct *asd_ha,  int lseq)
 	/* No delay for the first NOTIFY to be sent to the attached target. */
 	asd_write_reg_word(asd_ha, LmSEQ_NOTIFY_TIMER_DOWN_COUNT(lseq),
 			   ASD_NOTIFY_DOWN_COUNT);
+	asd_write_reg_word(asd_ha, LmSEQ_NOTIFY_TIMER_INITIAL_COUNT(lseq),
+			   ASD_NOTIFY_DOWN_COUNT);
 
 	/* LSEQ Mode dependent, mode 0 and 1, page 1 setup. */
 	for (i = 0; i < 2; i++)	{
@@ -907,6 +909,16 @@ static void asd_init_scb_sites(struct asd_ha_struct *asd_ha)
 		for (i = 0; i < ASD_SCB_SIZE; i += 4)
 			asd_scbsite_write_dword(asd_ha, site_no, i, 0);
 
+		/* Initialize SCB Site Opcode field to invalid. */
+		asd_scbsite_write_byte(asd_ha, site_no,
+				       offsetof(struct scb_header, opcode),
+				       0xFF);
+
+		/* Initialize SCB Site Flags field to mean a response
+		 * frame has been received.  This means inadvertent
+		 * frames received to be dropped. */
+		asd_scbsite_write_byte(asd_ha, site_no, 0x49, 0x01);
+
 		/* Workaround needed by SEQ to fix a SATA issue is to exclude
 		 * certain SCB sites from the free list. */
 		if (!SCB_SITE_VALID(site_no))
@@ -922,16 +934,6 @@ static void asd_init_scb_sites(struct asd_ha_struct *asd_ha)
 		/* Q_NEXT field of the last SCB is invalidated. */
 		asd_scbsite_write_word(asd_ha, site_no, 0, first_scb_site_no);
 
-		/* Initialize SCB Site Opcode field to invalid. */
-		asd_scbsite_write_byte(asd_ha, site_no,
-				       offsetof(struct scb_header, opcode),
-				       0xFF);
-
-		/* Initialize SCB Site Flags field to mean a response
-		 * frame has been received.  This means inadvertent
-		 * frames received to be dropped. */
-		asd_scbsite_write_byte(asd_ha, site_no, 0x49, 0x01);
-
 		first_scb_site_no = site_no;
 		max_scbs++;
 	}
@@ -1173,6 +1175,16 @@ static void asd_init_ddb_0(struct asd_ha_struct *asd_ha)
 	set_bit(0, asd_ha->hw_prof.ddb_bitmap);
 }
 
+static void asd_seq_init_ddb_sites(struct asd_ha_struct *asd_ha)
+{
+	unsigned int i;
+	unsigned int ddb_site;
+
+	for (ddb_site = 0 ; ddb_site < ASD_MAX_DDBS; ddb_site++)
+		for (i = 0; i < sizeof(struct asd_ddb_ssp_smp_target_port); i+= 4)
+			asd_ddbsite_write_dword(asd_ha, ddb_site, i, 0);
+}
+
 /**
  * asd_seq_setup_seqs -- setup and initialize central and link sequencers
  * @asd_ha: pointer to host adapter structure
@@ -1182,6 +1194,9 @@ static void asd_seq_setup_seqs(struct asd_ha_struct *asd_ha)
 	int 		lseq;
 	u8		lseq_mask;
 
+	/* Initialize DDB sites */
+	asd_seq_init_ddb_sites(asd_ha);
+
 	/* Initialize SCB sites. Done first to compute some values which
 	 * the rest of the init code depends on. */
 	asd_init_scb_sites(asd_ha);
@@ -1232,6 +1247,13 @@ static int asd_seq_start_lseq(struct asd_ha_struct *asd_ha, int lseq)
 	return asd_seq_unpause_lseq(asd_ha, lseq);
 }
 
+int asd_release_firmware(void)
+{
+	if (sequencer_fw)
+		release_firmware(sequencer_fw);
+	return 0;
+}
+
 static int asd_request_firmware(struct asd_ha_struct *asd_ha)
 {
 	int err, i;
@@ -1375,7 +1397,9 @@ void asd_update_port_links(struct asd_ha_struct *asd_ha, struct asd_phy *phy)
 	u8  phy_is_up;
 	u8  mask;
 	int i, err;
+	unsigned long flags;
 
+	spin_lock_irqsave(&asd_ha->hw_prof.ddb_lock, flags);
 	for_each_phy(phy_mask, mask, i)
 		asd_ddbsite_write_byte(asd_ha, 0,
 				       offsetof(struct asd_ddb_seq_shared,
@@ -1395,6 +1419,7 @@ void asd_update_port_links(struct asd_ha_struct *asd_ha, struct asd_phy *phy)
 			break;
 		}
 	}
+	spin_unlock_irqrestore(&asd_ha->hw_prof.ddb_lock, flags);
 
 	if (err)
 		asd_printk("couldn't update DDB 0:error:%d\n", err);
diff --git a/drivers/scsi/aic94xx/aic94xx_seq.h b/drivers/scsi/aic94xx/aic94xx_seq.h
index 9e715e5496a..9437ff0ae3a 100644
--- a/drivers/scsi/aic94xx/aic94xx_seq.h
+++ b/drivers/scsi/aic94xx/aic94xx_seq.h
@@ -63,6 +63,7 @@ int asd_pause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask);
 int asd_unpause_lseq(struct asd_ha_struct *asd_ha, u8 lseq_mask);
 int asd_init_seqs(struct asd_ha_struct *asd_ha);
 int asd_start_seqs(struct asd_ha_struct *asd_ha);
+int asd_release_firmware(void);
 
 void asd_update_port_links(struct asd_ha_struct *asd_ha, struct asd_phy *phy);
 #endif
diff --git a/drivers/scsi/aic94xx/aic94xx_task.c b/drivers/scsi/aic94xx/aic94xx_task.c
index d202ed5a670..e2ad5bed940 100644
--- a/drivers/scsi/aic94xx/aic94xx_task.c
+++ b/drivers/scsi/aic94xx/aic94xx_task.c
@@ -349,6 +349,7 @@ Again:
 
 	spin_lock_irqsave(&task->task_state_lock, flags);
 	task->task_state_flags &= ~SAS_TASK_STATE_PENDING;
+	task->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
 	task->task_state_flags |= SAS_TASK_STATE_DONE;
 	if (unlikely((task->task_state_flags & SAS_TASK_STATE_ABORTED))) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
@@ -557,6 +558,7 @@ int asd_execute_task(struct sas_task *task, const int num,
 	struct sas_task *t = task;
 	struct asd_ascb *ascb = NULL, *a;
 	struct asd_ha_struct *asd_ha = task->dev->port->ha->lldd_ha;
+	unsigned long flags;
 
 	res = asd_can_queue(asd_ha, num);
 	if (res)
@@ -599,6 +601,10 @@ int asd_execute_task(struct sas_task *task, const int num,
 		}
 		if (res)
 			goto out_err_unmap;
+
+		spin_lock_irqsave(&t->task_state_lock, flags);
+		t->task_state_flags |= SAS_TASK_AT_INITIATOR;
+		spin_unlock_irqrestore(&t->task_state_lock, flags);
 	}
 	list_del_init(&alist);
 
@@ -617,6 +623,9 @@ out_err_unmap:
 			if (a == b)
 				break;
 			t = a->uldd_task;
+			spin_lock_irqsave(&t->task_state_lock, flags);
+			t->task_state_flags &= ~SAS_TASK_AT_INITIATOR;
+			spin_unlock_irqrestore(&t->task_state_lock, flags);
 			switch (t->task_proto) {
 			case SATA_PROTO:
 			case SAS_PROTO_STP:
diff --git a/drivers/scsi/aic94xx/aic94xx_tmf.c b/drivers/scsi/aic94xx/aic94xx_tmf.c
index 61234384503..9a14a6d9727 100644
--- a/drivers/scsi/aic94xx/aic94xx_tmf.c
+++ b/drivers/scsi/aic94xx/aic94xx_tmf.c
@@ -566,9 +566,7 @@ static int asd_initiate_ssp_tmf(struct domain_device *dev, u8 *lun,
 		res = TMF_RESP_FUNC_ESUPP;
 		break;
 	default:
-		ASD_DPRINTK("%s: converting result 0x%x to TMF_RESP_FUNC_FAILED\n",
-			    __FUNCTION__, res);
-		res = TMF_RESP_FUNC_FAILED;
+		/* Allow TMF response codes to propagate upwards */
 		break;
 	}
 out_err:
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index f6caa430776..d02759f1346 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -129,7 +129,7 @@ static struct scsi_driver ch_template =
 	},
 };
 
-static struct file_operations changer_fops =
+static const struct file_operations changer_fops =
 {
 	.owner        = THIS_MODULE,
 	.open         = ch_open,
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index 365db537a28..cd36e81b2d9 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -116,7 +116,7 @@ static int sys_tbl_len = 0;
 static adpt_hba* hba_chain = NULL;
 static int hba_count = 0;
 
-static struct file_operations adpt_fops = {
+static const struct file_operations adpt_fops = {
 	.ioctl		= adpt_ioctl,
 	.open		= adpt_open,
 	.release	= adpt_close
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 4c698a71f66..a1992928e67 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -687,7 +687,7 @@ MODULE_AUTHOR("Achim Leubner");
 MODULE_LICENSE("GPL");
 
 /* ioctl interface */
-static struct file_operations gdth_fops = {
+static const struct file_operations gdth_fops = {
     .ioctl   = gdth_ioctl,
     .open    = gdth_open,
     .release = gdth_close,
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 821386c7b57..95045e33710 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -595,10 +595,8 @@ static int ipr_save_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
 {
 	int pcix_cmd_reg = pci_find_capability(ioa_cfg->pdev, PCI_CAP_ID_PCIX);
 
-	if (pcix_cmd_reg == 0) {
-		dev_err(&ioa_cfg->pdev->dev, "Failed to save PCI-X command register\n");
-		return -EIO;
-	}
+	if (pcix_cmd_reg == 0)
+		return 0;
 
 	if (pci_read_config_word(ioa_cfg->pdev, pcix_cmd_reg + PCI_X_CMD,
 				 &ioa_cfg->saved_pcix_cmd_reg) != PCIBIOS_SUCCESSFUL) {
@@ -627,10 +625,6 @@ static int ipr_set_pcix_cmd_reg(struct ipr_ioa_cfg *ioa_cfg)
 			dev_err(&ioa_cfg->pdev->dev, "Failed to setup PCI-X command register\n");
 			return -EIO;
 		}
-	} else {
-		dev_err(&ioa_cfg->pdev->dev,
-			"Failed to setup PCI-X command register\n");
-		return -EIO;
 	}
 
 	return 0;
@@ -6314,7 +6308,6 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
 	int rc;
 
 	ENTER;
-	pci_unblock_user_cfg_access(ioa_cfg->pdev);
 	rc = pci_restore_state(ioa_cfg->pdev);
 
 	if (rc != PCIBIOS_SUCCESSFUL) {
@@ -6355,6 +6348,24 @@ static int ipr_reset_restore_cfg_space(struct ipr_cmnd *ipr_cmd)
 }
 
 /**
+ * ipr_reset_bist_done - BIST has completed on the adapter.
+ * @ipr_cmd:	ipr command struct
+ *
+ * Description: Unblock config space and resume the reset process.
+ *
+ * Return value:
+ * 	IPR_RC_JOB_CONTINUE
+ **/
+static int ipr_reset_bist_done(struct ipr_cmnd *ipr_cmd)
+{
+	ENTER;
+	pci_unblock_user_cfg_access(ipr_cmd->ioa_cfg->pdev);
+	ipr_cmd->job_step = ipr_reset_restore_cfg_space;
+	LEAVE;
+	return IPR_RC_JOB_CONTINUE;
+}
+
+/**
  * ipr_reset_start_bist - Run BIST on the adapter.
  * @ipr_cmd:	ipr command struct
  *
@@ -6376,7 +6387,7 @@ static int ipr_reset_start_bist(struct ipr_cmnd *ipr_cmd)
 		ipr_cmd->ioasa.ioasc = cpu_to_be32(IPR_IOASC_PCI_ACCESS_ERROR);
 		rc = IPR_RC_JOB_CONTINUE;
 	} else {
-		ipr_cmd->job_step = ipr_reset_restore_cfg_space;
+		ipr_cmd->job_step = ipr_reset_bist_done;
 		ipr_reset_start_timer(ipr_cmd, IPR_WAIT_FOR_BIST_TIMEOUT);
 		rc = IPR_RC_JOB_RETURN;
 	}
@@ -7166,9 +7177,6 @@ ipr_get_chip_cfg(const struct pci_device_id *dev_id)
 {
 	int i;
 
-	if (dev_id->driver_data)
-		return (const struct ipr_chip_cfg_t *)dev_id->driver_data;
-
 	for (i = 0; i < ARRAY_SIZE(ipr_chip); i++)
 		if (ipr_chip[i].vendor == dev_id->vendor &&
 		    ipr_chip[i].device == dev_id->device)
@@ -7517,62 +7525,43 @@ static void ipr_shutdown(struct pci_dev *pdev)
 
 static struct pci_device_id ipr_pci_table[] __devinitdata = {
 	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5702, 0, 0, 0 },
 	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_5703, 0, 0, 0 },
 	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573D, 0, 0, 0 },
 	{ PCI_VENDOR_ID_MYLEX, PCI_DEVICE_ID_IBM_GEMSTONE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_573E, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572E, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_CITRINE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572A, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572B, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_575C, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_OBSIDIAN_E,
-	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7,
-	      0, 0, (kernel_ulong_t)&ipr_chip_cfg[0] },
+	      PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_57B7, 0, 0, 0 },
 	{ PCI_VENDOR_ID_IBM, PCI_DEVICE_ID_IBM_SNIPE,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_2780, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571E, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_571F, 0, 0, 0 },
 	{ PCI_VENDOR_ID_ADAPTEC2, PCI_DEVICE_ID_ADAPTEC2_SCAMP,
-		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F,
-		0, 0, (kernel_ulong_t)&ipr_chip_cfg[1] },
+		PCI_VENDOR_ID_IBM, IPR_SUBS_DEV_ID_572F, 0, 0, 0 },
 	{ }
 };
 MODULE_DEVICE_TABLE(pci, ipr_pci_table);
diff --git a/drivers/scsi/ipr.h b/drivers/scsi/ipr.h
index 9f62a1d4d51..88f285de97b 100644
--- a/drivers/scsi/ipr.h
+++ b/drivers/scsi/ipr.h
@@ -37,8 +37,8 @@
 /*
  * Literals
  */
-#define IPR_DRIVER_VERSION "2.3.0"
-#define IPR_DRIVER_DATE "(November 8, 2006)"
+#define IPR_DRIVER_VERSION "2.3.1"
+#define IPR_DRIVER_DATE "(January 23, 2007)"
 
 /*
  * IPR_MAX_CMD_PER_LUN: This defines the maximum number of outstanding
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index f0871c3ac3d..2aae1b081fc 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -123,6 +123,7 @@ lasi700_probe(struct parisc_device *dev)
 		hostdata->force_le_on_be = 0;
 		hostdata->chip710 = 1;
 		hostdata->dmode_extra = DMODE_FC2;
+		hostdata->burst_length = 8;
 	}
 
 	host = NCR_700_detect(&lasi700_template, hostdata, &dev->dev);
diff --git a/drivers/scsi/libsas/sas_discover.c b/drivers/scsi/libsas/sas_discover.c
index fb7df7b7581..a65598b1e53 100644
--- a/drivers/scsi/libsas/sas_discover.c
+++ b/drivers/scsi/libsas/sas_discover.c
@@ -548,7 +548,7 @@ int sas_discover_sata(struct domain_device *dev)
 
 	res = sas_notify_lldd_dev_found(dev);
 	if (res)
-		return res;
+		goto out_err2;
 
 	switch (dev->dev_type) {
 	case SATA_DEV:
@@ -560,11 +560,23 @@ int sas_discover_sata(struct domain_device *dev)
 	default:
 		break;
 	}
+	if (res)
+		goto out_err;
 
 	sas_notify_lldd_dev_gone(dev);
-	if (!res) {
-		sas_notify_lldd_dev_found(dev);
-	}
+	res = sas_notify_lldd_dev_found(dev);
+	if (res)
+		goto out_err2;
+
+	res = sas_rphy_add(dev->rphy);
+	if (res)
+		goto out_err;
+
+	return res;
+
+out_err:
+	sas_notify_lldd_dev_gone(dev);
+out_err2:
 	return res;
 }
 
@@ -580,21 +592,17 @@ int sas_discover_end_dev(struct domain_device *dev)
 
 	res = sas_notify_lldd_dev_found(dev);
 	if (res)
-		return res;
+		goto out_err2;
 
 	res = sas_rphy_add(dev->rphy);
 	if (res)
 		goto out_err;
 
-	/* do this to get the end device port attributes which will have
-	 * been scanned in sas_rphy_add */
-	sas_notify_lldd_dev_gone(dev);
-	sas_notify_lldd_dev_found(dev);
-
 	return 0;
 
 out_err:
 	sas_notify_lldd_dev_gone(dev);
+out_err2:
 	return res;
 }
 
@@ -649,6 +657,7 @@ void sas_unregister_domain_devices(struct asd_sas_port *port)
  */
 static void sas_discover_domain(struct work_struct *work)
 {
+	struct domain_device *dev;
 	int error = 0;
 	struct sas_discovery_event *ev =
 		container_of(work, struct sas_discovery_event, work);
@@ -658,35 +667,42 @@ static void sas_discover_domain(struct work_struct *work)
 			&port->disc.pending);
 
 	if (port->port_dev)
-		return ;
-	else {
-		error = sas_get_port_device(port);
-		if (error)
-			return;
-	}
+		return;
+
+	error = sas_get_port_device(port);
+	if (error)
+		return;
+	dev = port->port_dev;
 
 	SAS_DPRINTK("DOING DISCOVERY on port %d, pid:%d\n", port->id,
 		    current->pid);
 
-	switch (port->port_dev->dev_type) {
+	switch (dev->dev_type) {
 	case SAS_END_DEV:
-		error = sas_discover_end_dev(port->port_dev);
+		error = sas_discover_end_dev(dev);
 		break;
 	case EDGE_DEV:
 	case FANOUT_DEV:
-		error = sas_discover_root_expander(port->port_dev);
+		error = sas_discover_root_expander(dev);
 		break;
 	case SATA_DEV:
 	case SATA_PM:
-		error = sas_discover_sata(port->port_dev);
+		error = sas_discover_sata(dev);
 		break;
 	default:
-		SAS_DPRINTK("unhandled device %d\n", port->port_dev->dev_type);
+		SAS_DPRINTK("unhandled device %d\n", dev->dev_type);
 		break;
 	}
 
 	if (error) {
-		kfree(port->port_dev); /* not kobject_register-ed yet */
+		sas_rphy_free(dev->rphy);
+		dev->rphy = NULL;
+
+		spin_lock(&port->dev_list_lock);
+		list_del_init(&dev->dev_list_node);
+		spin_unlock(&port->dev_list_lock);
+
+		kfree(dev); /* not kobject_register-ed yet */
 		port->port_dev = NULL;
 	}
 
@@ -726,7 +742,7 @@ int sas_discover_event(struct asd_sas_port *port, enum discover_event ev)
 	BUG_ON(ev >= DISC_NUM_EVENTS);
 
 	sas_queue_event(ev, &disc->disc_event_lock, &disc->pending,
-			&disc->disc_work[ev].work, port->ha->core.shost);
+			&disc->disc_work[ev].work, port->ha);
 
 	return 0;
 }
diff --git a/drivers/scsi/libsas/sas_event.c b/drivers/scsi/libsas/sas_event.c
index d83392ee682..9db30fb5caf 100644
--- a/drivers/scsi/libsas/sas_event.c
+++ b/drivers/scsi/libsas/sas_event.c
@@ -31,7 +31,7 @@ static void notify_ha_event(struct sas_ha_struct *sas_ha, enum ha_event event)
 	BUG_ON(event >= HA_NUM_EVENTS);
 
 	sas_queue_event(event, &sas_ha->event_lock, &sas_ha->pending,
-			&sas_ha->ha_events[event].work, sas_ha->core.shost);
+			&sas_ha->ha_events[event].work, sas_ha);
 }
 
 static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
@@ -41,7 +41,7 @@ static void notify_port_event(struct asd_sas_phy *phy, enum port_event event)
 	BUG_ON(event >= PORT_NUM_EVENTS);
 
 	sas_queue_event(event, &ha->event_lock, &phy->port_events_pending,
-			&phy->port_events[event].work, ha->core.shost);
+			&phy->port_events[event].work, ha);
 }
 
 static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
@@ -51,7 +51,7 @@ static void notify_phy_event(struct asd_sas_phy *phy, enum phy_event event)
 	BUG_ON(event >= PHY_NUM_EVENTS);
 
 	sas_queue_event(event, &ha->event_lock, &phy->phy_events_pending,
-			&phy->phy_events[event].work, ha->core.shost);
+			&phy->phy_events[event].work, ha);
 }
 
 int sas_init_events(struct sas_ha_struct *sas_ha)
diff --git a/drivers/scsi/libsas/sas_expander.c b/drivers/scsi/libsas/sas_expander.c
index d31e6fa466f..dc70c180e11 100644
--- a/drivers/scsi/libsas/sas_expander.c
+++ b/drivers/scsi/libsas/sas_expander.c
@@ -667,8 +667,9 @@ static struct domain_device *sas_ex_discover_end_dev(
 	return child;
 
  out_list_del:
+	sas_rphy_free(child->rphy);
+	child->rphy = NULL;
 	list_del(&child->dev_list_node);
-	sas_rphy_free(rphy);
  out_free:
 	sas_port_delete(phy->port);
  out_err:
@@ -677,6 +678,29 @@ static struct domain_device *sas_ex_discover_end_dev(
 	return NULL;
 }
 
+/* See if this phy is part of a wide port */
+static int sas_ex_join_wide_port(struct domain_device *parent, int phy_id)
+{
+	struct ex_phy *phy = &parent->ex_dev.ex_phy[phy_id];
+	int i;
+
+	for (i = 0; i < parent->ex_dev.num_phys; i++) {
+		struct ex_phy *ephy = &parent->ex_dev.ex_phy[i];
+
+		if (ephy == phy)
+			continue;
+
+		if (!memcmp(phy->attached_sas_addr, ephy->attached_sas_addr,
+			    SAS_ADDR_SIZE) && ephy->port) {
+			sas_port_add_phy(ephy->port, phy->phy);
+			phy->phy_state = PHY_DEVICE_DISCOVERED;
+			return 0;
+		}
+	}
+
+	return -ENODEV;
+}
+
 static struct domain_device *sas_ex_discover_expander(
 	struct domain_device *parent, int phy_id)
 {
@@ -809,6 +833,13 @@ static int sas_ex_discover_dev(struct domain_device *dev, int phy_id)
 		return res;
 	}
 
+	res = sas_ex_join_wide_port(dev, phy_id);
+	if (!res) {
+		SAS_DPRINTK("Attaching ex phy%d to wide port %016llx\n",
+			    phy_id, SAS_ADDR(ex_phy->attached_sas_addr));
+		return res;
+	}
+
 	switch (ex_phy->attached_dev_type) {
 	case SAS_END_DEV:
 		child = sas_ex_discover_end_dev(dev, phy_id);
@@ -1431,14 +1462,23 @@ int sas_discover_root_expander(struct domain_device *dev)
 	int res;
 	struct sas_expander_device *ex = rphy_to_expander_device(dev->rphy);
 
-	sas_rphy_add(dev->rphy);
+	res = sas_rphy_add(dev->rphy);
+	if (res)
+		goto out_err;
 
 	ex->level = dev->port->disc.max_level; /* 0 */
 	res = sas_discover_expander(dev);
-	if (!res)
-		sas_ex_bfs_disc(dev->port);
+	if (res)
+		goto out_err2;
+
+	sas_ex_bfs_disc(dev->port);
 
 	return res;
+
+out_err2:
+	sas_rphy_remove(dev->rphy);
+out_err:
+	return res;
 }
 
 /* ---------- Domain revalidation ---------- */
diff --git a/drivers/scsi/libsas/sas_init.c b/drivers/scsi/libsas/sas_init.c
index 2f0c07fc3f4..965698c8b7b 100644
--- a/drivers/scsi/libsas/sas_init.c
+++ b/drivers/scsi/libsas/sas_init.c
@@ -87,6 +87,9 @@ int sas_register_ha(struct sas_ha_struct *sas_ha)
 	else if (sas_ha->lldd_queue_size == -1)
 		sas_ha->lldd_queue_size = 128; /* Sanity */
 
+	sas_ha->state = SAS_HA_REGISTERED;
+	spin_lock_init(&sas_ha->state_lock);
+
 	error = sas_register_phys(sas_ha);
 	if (error) {
 		printk(KERN_NOTICE "couldn't register sas phys:%d\n", error);
@@ -127,12 +130,22 @@ Undo_phys:
 
 int sas_unregister_ha(struct sas_ha_struct *sas_ha)
 {
+	unsigned long flags;
+
+	/* Set the state to unregistered to avoid further
+	 * events to be queued */
+	spin_lock_irqsave(&sas_ha->state_lock, flags);
+	sas_ha->state = SAS_HA_UNREGISTERED;
+	spin_unlock_irqrestore(&sas_ha->state_lock, flags);
+	scsi_flush_work(sas_ha->core.shost);
+
+	sas_unregister_ports(sas_ha);
+
 	if (sas_ha->lldd_max_execute_num > 1) {
 		sas_shutdown_queue(sas_ha);
+		sas_ha->lldd_max_execute_num = 1;
 	}
 
-	sas_unregister_ports(sas_ha);
-
 	return 0;
 }
 
@@ -146,6 +159,36 @@ static int sas_get_linkerrors(struct sas_phy *phy)
 	return sas_smp_get_phy_events(phy);
 }
 
+int sas_phy_enable(struct sas_phy *phy, int enable)
+{
+	int ret;
+	enum phy_func command;
+
+	if (enable)
+		command = PHY_FUNC_LINK_RESET;
+	else
+		command = PHY_FUNC_DISABLE;
+
+	if (scsi_is_sas_phy_local(phy)) {
+		struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
+		struct sas_ha_struct *sas_ha = SHOST_TO_SAS_HA(shost);
+		struct asd_sas_phy *asd_phy = sas_ha->sas_phy[phy->number];
+		struct sas_internal *i =
+			to_sas_internal(sas_ha->core.shost->transportt);
+
+		if (!enable) {
+			sas_phy_disconnected(asd_phy);
+			sas_ha->notify_phy_event(asd_phy, PHYE_LOSS_OF_SIGNAL);
+		}
+		ret = i->dft->lldd_control_phy(asd_phy, command, NULL);
+	} else {
+		struct sas_rphy *rphy = dev_to_rphy(phy->dev.parent);
+		struct domain_device *ddev = sas_find_dev_by_rphy(rphy);
+		ret = sas_smp_phy_control(ddev, phy->number, command, NULL);
+	}
+	return ret;
+}
+
 int sas_phy_reset(struct sas_phy *phy, int hard_reset)
 {
 	int ret;
@@ -172,8 +215,8 @@ int sas_phy_reset(struct sas_phy *phy, int hard_reset)
 	return ret;
 }
 
-static int sas_set_phy_speed(struct sas_phy *phy,
-			     struct sas_phy_linkrates *rates)
+int sas_set_phy_speed(struct sas_phy *phy,
+		      struct sas_phy_linkrates *rates)
 {
 	int ret;
 
@@ -212,6 +255,7 @@ static int sas_set_phy_speed(struct sas_phy *phy,
 }
 
 static struct sas_function_template sft = {
+	.phy_enable = sas_phy_enable,
 	.phy_reset = sas_phy_reset,
 	.set_phy_speed = sas_set_phy_speed,
 	.get_linkerrors = sas_get_linkerrors,
diff --git a/drivers/scsi/libsas/sas_internal.h b/drivers/scsi/libsas/sas_internal.h
index 137d7e496b6..a78638df201 100644
--- a/drivers/scsi/libsas/sas_internal.h
+++ b/drivers/scsi/libsas/sas_internal.h
@@ -80,7 +80,7 @@ void sas_hae_reset(struct work_struct *work);
 static inline void sas_queue_event(int event, spinlock_t *lock,
 				   unsigned long *pending,
 				   struct work_struct *work,
-				   struct Scsi_Host *shost)
+				   struct sas_ha_struct *sas_ha)
 {
 	unsigned long flags;
 
@@ -91,7 +91,12 @@ static inline void sas_queue_event(int event, spinlock_t *lock,
 	}
 	__set_bit(event, pending);
 	spin_unlock_irqrestore(lock, flags);
-	scsi_queue_work(shost, work);
+
+	spin_lock_irqsave(&sas_ha->state_lock, flags);
+	if (sas_ha->state != SAS_HA_UNREGISTERED) {
+		scsi_queue_work(sas_ha->core.shost, work);
+	}
+	spin_unlock_irqrestore(&sas_ha->state_lock, flags);
 }
 
 static inline void sas_begin_event(int event, spinlock_t *lock,
diff --git a/drivers/scsi/libsas/sas_port.c b/drivers/scsi/libsas/sas_port.c
index 971c37ceecb..e1e2d085c92 100644
--- a/drivers/scsi/libsas/sas_port.c
+++ b/drivers/scsi/libsas/sas_port.c
@@ -42,10 +42,11 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	struct asd_sas_port *port = phy->port;
 	struct sas_internal *si =
 		to_sas_internal(sas_ha->core.shost->transportt);
+	unsigned long flags;
 
 	if (port) {
 		if (memcmp(port->attached_sas_addr, phy->attached_sas_addr,
-			   SAS_ADDR_SIZE) == 0)
+			   SAS_ADDR_SIZE) != 0)
 			sas_deform_port(phy);
 		else {
 			SAS_DPRINTK("%s: phy%d belongs to port%d already(%d)!\n",
@@ -56,7 +57,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	}
 
 	/* find a port */
-	spin_lock(&sas_ha->phy_port_lock);
+	spin_lock_irqsave(&sas_ha->phy_port_lock, flags);
 	for (i = 0; i < sas_ha->num_phys; i++) {
 		port = sas_ha->sas_port[i];
 		spin_lock(&port->phy_list_lock);
@@ -78,7 +79,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	if (i >= sas_ha->num_phys) {
 		printk(KERN_NOTICE "%s: couldn't find a free port, bug?\n",
 		       __FUNCTION__);
-		spin_unlock(&sas_ha->phy_port_lock);
+		spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 		return;
 	}
 
@@ -105,7 +106,7 @@ static void sas_form_port(struct asd_sas_phy *phy)
 	} else
 		port->linkrate = max(port->linkrate, phy->linkrate);
 	spin_unlock(&port->phy_list_lock);
-	spin_unlock(&sas_ha->phy_port_lock);
+	spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 
 	if (!port->port) {
 		port->port = sas_port_alloc(phy->phy->dev.parent, port->id);
@@ -137,6 +138,7 @@ void sas_deform_port(struct asd_sas_phy *phy)
 	struct asd_sas_port *port = phy->port;
 	struct sas_internal *si =
 		to_sas_internal(sas_ha->core.shost->transportt);
+	unsigned long flags;
 
 	if (!port)
 		return;		  /* done by a phy event */
@@ -155,7 +157,7 @@ void sas_deform_port(struct asd_sas_phy *phy)
 	if (si->dft->lldd_port_deformed)
 		si->dft->lldd_port_deformed(phy);
 
-	spin_lock(&sas_ha->phy_port_lock);
+	spin_lock_irqsave(&sas_ha->phy_port_lock, flags);
 	spin_lock(&port->phy_list_lock);
 
 	list_del_init(&phy->port_phy_el);
@@ -174,7 +176,7 @@ void sas_deform_port(struct asd_sas_phy *phy)
 		port->phy_mask = 0;
 	}
 	spin_unlock(&port->phy_list_lock);
-	spin_unlock(&sas_ha->phy_port_lock);
+	spin_unlock_irqrestore(&sas_ha->phy_port_lock, flags);
 
 	return;
 }
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 22672d54aa2..897a5e2c55e 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -34,6 +34,7 @@
 #include <scsi/scsi_transport_sas.h>
 #include "../scsi_sas_internal.h"
 #include "../scsi_transport_api.h"
+#include "../scsi_priv.h"
 
 #include <linux/err.h>
 #include <linux/blkdev.h>
@@ -130,7 +131,7 @@ static enum task_attribute sas_scsi_get_task_attr(struct scsi_cmnd *cmd)
 	if (cmd->request && blk_rq_tagged(cmd->request)) {
 		if (cmd->device->ordered_tags &&
 		    (cmd->request->cmd_flags & REQ_HARDBARRIER))
-			ta = TASK_ATTR_HOQ;
+			ta = TASK_ATTR_ORDERED;
 	}
 	return ta;
 }
@@ -281,6 +282,7 @@ enum task_disposition {
 	TASK_IS_ABORTED,
 	TASK_IS_AT_LU,
 	TASK_IS_NOT_AT_LU,
+	TASK_ABORT_FAILED,
 };
 
 static enum task_disposition sas_scsi_find_task(struct sas_task *task)
@@ -310,15 +312,6 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
 		spin_unlock_irqrestore(&core->task_queue_lock, flags);
 	}
 
-	spin_lock_irqsave(&task->task_state_lock, flags);
-	if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
-		spin_unlock_irqrestore(&task->task_state_lock, flags);
-		SAS_DPRINTK("%s: task 0x%p already aborted\n",
-			    __FUNCTION__, task);
-		return TASK_IS_ABORTED;
-	}
-	spin_unlock_irqrestore(&task->task_state_lock, flags);
-
 	for (i = 0; i < 5; i++) {
 		SAS_DPRINTK("%s: aborting task 0x%p\n", __FUNCTION__, task);
 		res = si->dft->lldd_abort_task(task);
@@ -340,15 +333,21 @@ static enum task_disposition sas_scsi_find_task(struct sas_task *task)
 			SAS_DPRINTK("%s: querying task 0x%p\n",
 				    __FUNCTION__, task);
 			res = si->dft->lldd_query_task(task);
-			if (res == TMF_RESP_FUNC_SUCC) {
+			switch (res) {
+			case TMF_RESP_FUNC_SUCC:
 				SAS_DPRINTK("%s: task 0x%p at LU\n",
 					    __FUNCTION__, task);
 				return TASK_IS_AT_LU;
-			} else if (res == TMF_RESP_FUNC_COMPLETE) {
+			case TMF_RESP_FUNC_COMPLETE:
 				SAS_DPRINTK("%s: task 0x%p not at LU\n",
 					    __FUNCTION__, task);
 				return TASK_IS_NOT_AT_LU;
-			}
+			case TMF_RESP_FUNC_FAILED:
+                                SAS_DPRINTK("%s: task 0x%p failed to abort\n",
+                                                __FUNCTION__, task);
+                                return TASK_ABORT_FAILED;
+                        }
+
 		}
 	}
 	return res;
@@ -398,35 +397,113 @@ static int sas_recover_I_T(struct domain_device *dev)
 	return res;
 }
 
-void sas_scsi_recover_host(struct Scsi_Host *shost)
+/* Find the sas_phy that's attached to this device */
+struct sas_phy *find_local_sas_phy(struct domain_device *dev)
+{
+	struct domain_device *pdev = dev->parent;
+	struct ex_phy *exphy = NULL;
+	int i;
+
+	/* Directly attached device */
+	if (!pdev)
+		return dev->port->phy;
+
+	/* Otherwise look in the expander */
+	for (i = 0; i < pdev->ex_dev.num_phys; i++)
+		if (!memcmp(dev->sas_addr,
+			    pdev->ex_dev.ex_phy[i].attached_sas_addr,
+			    SAS_ADDR_SIZE)) {
+			exphy = &pdev->ex_dev.ex_phy[i];
+			break;
+		}
+
+	BUG_ON(!exphy);
+	return exphy->phy;
+}
+
+/* Attempt to send a LUN reset message to a device */
+int sas_eh_device_reset_handler(struct scsi_cmnd *cmd)
+{
+	struct domain_device *dev = cmd_to_domain_dev(cmd);
+	struct sas_internal *i =
+		to_sas_internal(dev->port->ha->core.shost->transportt);
+	struct scsi_lun lun;
+	int res;
+
+	int_to_scsilun(cmd->device->lun, &lun);
+
+	if (!i->dft->lldd_lu_reset)
+		return FAILED;
+
+	res = i->dft->lldd_lu_reset(dev, lun.scsi_lun);
+	if (res == TMF_RESP_FUNC_SUCC || res == TMF_RESP_FUNC_COMPLETE)
+		return SUCCESS;
+
+	return FAILED;
+}
+
+/* Attempt to send a phy (bus) reset */
+int sas_eh_bus_reset_handler(struct scsi_cmnd *cmd)
+{
+	struct domain_device *dev = cmd_to_domain_dev(cmd);
+	struct sas_phy *phy = find_local_sas_phy(dev);
+	int res;
+
+	res = sas_phy_reset(phy, 1);
+	if (res)
+		SAS_DPRINTK("Bus reset of %s failed 0x%x\n",
+			    phy->dev.kobj.k_name,
+			    res);
+	if (res == TMF_RESP_FUNC_SUCC || res == TMF_RESP_FUNC_COMPLETE)
+		return SUCCESS;
+
+	return FAILED;
+}
+
+/* Try to reset a device */
+static int try_to_reset_cmd_device(struct Scsi_Host *shost,
+				   struct scsi_cmnd *cmd)
+{
+	int res;
+
+	if (!shost->hostt->eh_device_reset_handler)
+		goto try_bus_reset;
+
+	res = shost->hostt->eh_device_reset_handler(cmd);
+	if (res == SUCCESS)
+		return res;
+
+try_bus_reset:
+	if (shost->hostt->eh_bus_reset_handler)
+		return shost->hostt->eh_bus_reset_handler(cmd);
+
+	return FAILED;
+}
+
+static int sas_eh_handle_sas_errors(struct Scsi_Host *shost,
+				    struct list_head *work_q,
+				    struct list_head *done_q)
 {
-	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
-	unsigned long flags;
-	LIST_HEAD(error_q);
 	struct scsi_cmnd *cmd, *n;
 	enum task_disposition res = TASK_IS_DONE;
-	int tmf_resp;
+	int tmf_resp, need_reset;
 	struct sas_internal *i = to_sas_internal(shost->transportt);
+	unsigned long flags;
+	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
 
-	spin_lock_irqsave(shost->host_lock, flags);
-	list_splice_init(&shost->eh_cmd_q, &error_q);
-	spin_unlock_irqrestore(shost->host_lock, flags);
-
-	SAS_DPRINTK("Enter %s\n", __FUNCTION__);
-
-	/* All tasks on this list were marked SAS_TASK_STATE_ABORTED
-	 * by sas_scsi_timed_out() callback.
-	 */
 Again:
-	SAS_DPRINTK("going over list...\n");
-	list_for_each_entry_safe(cmd, n, &error_q, eh_entry) {
+	list_for_each_entry_safe(cmd, n, work_q, eh_entry) {
 		struct sas_task *task = TO_SAS_TASK(cmd);
-		list_del_init(&cmd->eh_entry);
 
-		if (!task) {
-			SAS_DPRINTK("%s: taskless cmd?!\n", __FUNCTION__);
+		if (!task)
 			continue;
-		}
+
+		list_del_init(&cmd->eh_entry);
+
+		spin_lock_irqsave(&task->task_state_lock, flags);
+		need_reset = task->task_state_flags & SAS_TASK_NEED_DEV_RESET;
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+
 		SAS_DPRINTK("trying to find task 0x%p\n", task);
 		res = sas_scsi_find_task(task);
 
@@ -437,11 +514,15 @@ Again:
 			SAS_DPRINTK("%s: task 0x%p is done\n", __FUNCTION__,
 				    task);
 			task->task_done(task);
+			if (need_reset)
+				try_to_reset_cmd_device(shost, cmd);
 			continue;
 		case TASK_IS_ABORTED:
 			SAS_DPRINTK("%s: task 0x%p is aborted\n",
 				    __FUNCTION__, task);
 			task->task_done(task);
+			if (need_reset)
+				try_to_reset_cmd_device(shost, cmd);
 			continue;
 		case TASK_IS_AT_LU:
 			SAS_DPRINTK("task 0x%p is at LU: lu recover\n", task);
@@ -452,11 +533,14 @@ Again:
 					    SAS_ADDR(task->dev),
 					    cmd->device->lun);
 				task->task_done(task);
-				sas_scsi_clear_queue_lu(&error_q, cmd);
+				if (need_reset)
+					try_to_reset_cmd_device(shost, cmd);
+				sas_scsi_clear_queue_lu(work_q, cmd);
 				goto Again;
 			}
 			/* fallthrough */
 		case TASK_IS_NOT_AT_LU:
+		case TASK_ABORT_FAILED:
 			SAS_DPRINTK("task 0x%p is not at LU: I_T recover\n",
 				    task);
 			tmf_resp = sas_recover_I_T(task->dev);
@@ -464,7 +548,9 @@ Again:
 				SAS_DPRINTK("I_T %016llx recovered\n",
 					    SAS_ADDR(task->dev->sas_addr));
 				task->task_done(task);
-				sas_scsi_clear_queue_I_T(&error_q, task->dev);
+				if (need_reset)
+					try_to_reset_cmd_device(shost, cmd);
+				sas_scsi_clear_queue_I_T(work_q, task->dev);
 				goto Again;
 			}
 			/* Hammer time :-) */
@@ -477,7 +563,9 @@ Again:
 					SAS_DPRINTK("clear nexus port:%d "
 						    "succeeded\n", port->id);
 					task->task_done(task);
-					sas_scsi_clear_queue_port(&error_q,
+					if (need_reset)
+						try_to_reset_cmd_device(shost, cmd);
+					sas_scsi_clear_queue_port(work_q,
 								  port);
 					goto Again;
 				}
@@ -489,6 +577,8 @@ Again:
 					SAS_DPRINTK("clear nexus ha "
 						    "succeeded\n");
 					task->task_done(task);
+					if (need_reset)
+						try_to_reset_cmd_device(shost, cmd);
 					goto out;
 				}
 			}
@@ -502,20 +592,54 @@ Again:
 				    cmd->device->lun);
 
 			task->task_done(task);
+			if (need_reset)
+				try_to_reset_cmd_device(shost, cmd);
 			goto clear_q;
 		}
 	}
 out:
-	scsi_eh_flush_done_q(&ha->eh_done_q);
-	SAS_DPRINTK("--- Exit %s\n", __FUNCTION__);
-	return;
+	return list_empty(work_q);
 clear_q:
 	SAS_DPRINTK("--- Exit %s -- clear_q\n", __FUNCTION__);
-	list_for_each_entry_safe(cmd, n, &error_q, eh_entry) {
+	list_for_each_entry_safe(cmd, n, work_q, eh_entry) {
 		struct sas_task *task = TO_SAS_TASK(cmd);
 		list_del_init(&cmd->eh_entry);
 		task->task_done(task);
 	}
+	return list_empty(work_q);
+}
+
+void sas_scsi_recover_host(struct Scsi_Host *shost)
+{
+	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
+	unsigned long flags;
+	LIST_HEAD(eh_work_q);
+
+	spin_lock_irqsave(shost->host_lock, flags);
+	list_splice_init(&shost->eh_cmd_q, &eh_work_q);
+	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	SAS_DPRINTK("Enter %s\n", __FUNCTION__);
+	/*
+	 * Deal with commands that still have SAS tasks (i.e. they didn't
+	 * complete via the normal sas_task completion mechanism)
+	 */
+	if (sas_eh_handle_sas_errors(shost, &eh_work_q, &ha->eh_done_q))
+		goto out;
+
+	/*
+	 * Now deal with SCSI commands that completed ok but have a an error
+	 * code (and hopefully sense data) attached.  This is roughly what
+	 * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any
+	 * command we see here has no sas_task and is thus unknown to the HA.
+	 */
+	if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q))
+		scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q);
+
+out:
+	scsi_eh_flush_done_q(&ha->eh_done_q);
+	SAS_DPRINTK("--- Exit %s\n", __FUNCTION__);
+	return;
 }
 
 enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
@@ -524,24 +648,30 @@ enum scsi_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
 	unsigned long flags;
 
 	if (!task) {
-		SAS_DPRINTK("command 0x%p, task 0x%p, gone: EH_HANDLED\n",
-			    cmd, task);
-		return EH_HANDLED;
+		cmd->timeout_per_command /= 2;
+		SAS_DPRINTK("command 0x%p, task 0x%p, gone: %s\n",
+			    cmd, task, (cmd->timeout_per_command ?
+			    "EH_RESET_TIMER" : "EH_NOT_HANDLED"));
+		if (!cmd->timeout_per_command)
+			return EH_NOT_HANDLED;
+		return EH_RESET_TIMER;
 	}
 
 	spin_lock_irqsave(&task->task_state_lock, flags);
-	if (task->task_state_flags & SAS_TASK_INITIATOR_ABORTED) {
-		spin_unlock_irqrestore(&task->task_state_lock, flags);
-		SAS_DPRINTK("command 0x%p, task 0x%p, aborted by initiator: "
-			    "EH_NOT_HANDLED\n", cmd, task);
-		return EH_NOT_HANDLED;
-	}
+	BUG_ON(task->task_state_flags & SAS_TASK_STATE_ABORTED);
 	if (task->task_state_flags & SAS_TASK_STATE_DONE) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
 		SAS_DPRINTK("command 0x%p, task 0x%p, timed out: EH_HANDLED\n",
 			    cmd, task);
 		return EH_HANDLED;
 	}
+	if (!(task->task_state_flags & SAS_TASK_AT_INITIATOR)) {
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+		SAS_DPRINTK("command 0x%p, task 0x%p, not at initiator: "
+			    "EH_RESET_TIMER\n",
+			    cmd, task);
+		return EH_RESET_TIMER;
+	}
 	task->task_state_flags |= SAS_TASK_STATE_ABORTED;
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
 
@@ -557,8 +687,9 @@ struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy)
 	struct sas_ha_struct *ha = SHOST_TO_SAS_HA(shost);
 	struct domain_device *found_dev = NULL;
 	int i;
+	unsigned long flags;
 
-	spin_lock(&ha->phy_port_lock);
+	spin_lock_irqsave(&ha->phy_port_lock, flags);
 	for (i = 0; i < ha->num_phys; i++) {
 		struct asd_sas_port *port = ha->sas_port[i];
 		struct domain_device *dev;
@@ -574,7 +705,7 @@ struct domain_device *sas_find_dev_by_rphy(struct sas_rphy *rphy)
 		spin_unlock(&port->dev_list_lock);
 	}
  found:
-	spin_unlock(&ha->phy_port_lock);
+	spin_unlock_irqrestore(&ha->phy_port_lock, flags);
 
 	return found_dev;
 }
@@ -623,6 +754,8 @@ int sas_slave_configure(struct scsi_device *scsi_dev)
 		scsi_deactivate_tcq(scsi_dev, 1);
 	}
 
+	scsi_dev->allow_restart = 1;
+
 	return 0;
 }
 
@@ -799,46 +932,42 @@ void sas_shutdown_queue(struct sas_ha_struct *sas_ha)
 	spin_unlock_irqrestore(&core->task_queue_lock, flags);
 }
 
-static int do_sas_task_abort(struct sas_task *task)
+/*
+ * Call the LLDD task abort routine directly.  This function is intended for
+ * use by upper layers that need to tell the LLDD to abort a task.
+ */
+int __sas_task_abort(struct sas_task *task)
 {
-	struct scsi_cmnd *sc = task->uldd_task;
 	struct sas_internal *si =
 		to_sas_internal(task->dev->port->ha->core.shost->transportt);
 	unsigned long flags;
 	int res;
 
 	spin_lock_irqsave(&task->task_state_lock, flags);
-	if (task->task_state_flags & SAS_TASK_STATE_ABORTED) {
+	if (task->task_state_flags & SAS_TASK_STATE_ABORTED ||
+	    task->task_state_flags & SAS_TASK_STATE_DONE) {
 		spin_unlock_irqrestore(&task->task_state_lock, flags);
-		SAS_DPRINTK("%s: Task %p already aborted.\n", __FUNCTION__,
+		SAS_DPRINTK("%s: Task %p already finished.\n", __FUNCTION__,
 			    task);
 		return 0;
 	}
-
-	task->task_state_flags |= SAS_TASK_INITIATOR_ABORTED;
-	if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
-		task->task_state_flags |= SAS_TASK_STATE_ABORTED;
+	task->task_state_flags |= SAS_TASK_STATE_ABORTED;
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
 
 	if (!si->dft->lldd_abort_task)
 		return -ENODEV;
 
 	res = si->dft->lldd_abort_task(task);
+
+	spin_lock_irqsave(&task->task_state_lock, flags);
 	if ((task->task_state_flags & SAS_TASK_STATE_DONE) ||
 	    (res == TMF_RESP_FUNC_COMPLETE))
 	{
-		/* SMP commands don't have scsi_cmds(?) */
-		if (!sc) {
-			task->task_done(task);
-			return 0;
-		}
-		scsi_req_abort_cmd(sc);
-		scsi_schedule_eh(sc->device->host);
+		spin_unlock_irqrestore(&task->task_state_lock, flags);
+		task->task_done(task);
 		return 0;
 	}
 
-	spin_lock_irqsave(&task->task_state_lock, flags);
-	task->task_state_flags &= ~SAS_TASK_INITIATOR_ABORTED;
 	if (!(task->task_state_flags & SAS_TASK_STATE_DONE))
 		task->task_state_flags &= ~SAS_TASK_STATE_ABORTED;
 	spin_unlock_irqrestore(&task->task_state_lock, flags);
@@ -846,17 +975,24 @@ static int do_sas_task_abort(struct sas_task *task)
 	return -EAGAIN;
 }
 
-void sas_task_abort(struct work_struct *work)
+/*
+ * Tell an upper layer that it needs to initiate an abort for a given task.
+ * This should only ever be called by an LLDD.
+ */
+void sas_task_abort(struct sas_task *task)
 {
-	struct sas_task *task =
-		container_of(work, struct sas_task, abort_work);
-	int i;
+	struct scsi_cmnd *sc = task->uldd_task;
 
-	for (i = 0; i < 5; i++)
-		if (!do_sas_task_abort(task))
+	/* Escape for libsas internal commands */
+	if (!sc) {
+		if (!del_timer(&task->timer))
 			return;
+		task->timer.function(task->timer.data);
+		return;
+	}
 
-	SAS_DPRINTK("%s: Could not kill task!\n", __FUNCTION__);
+	scsi_req_abort_cmd(sc);
+	scsi_schedule_eh(sc->device->host);
 }
 
 EXPORT_SYMBOL_GPL(sas_queuecommand);
@@ -866,5 +1002,9 @@ EXPORT_SYMBOL_GPL(sas_slave_destroy);
 EXPORT_SYMBOL_GPL(sas_change_queue_depth);
 EXPORT_SYMBOL_GPL(sas_change_queue_type);
 EXPORT_SYMBOL_GPL(sas_bios_param);
+EXPORT_SYMBOL_GPL(__sas_task_abort);
 EXPORT_SYMBOL_GPL(sas_task_abort);
 EXPORT_SYMBOL_GPL(sas_phy_reset);
+EXPORT_SYMBOL_GPL(sas_phy_enable);
+EXPORT_SYMBOL_GPL(sas_eh_device_reset_handler);
+EXPORT_SYMBOL_GPL(sas_eh_bus_reset_handler);
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 77d9d3804cc..808a1b8c404 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -92,7 +92,7 @@ static struct mega_hbas mega_hbas[MAX_CONTROLLERS];
 /*
  * The File Operations structure for the serial/ioctl interface of the driver
  */
-static struct file_operations megadev_fops = {
+static const struct file_operations megadev_fops = {
 	.owner		= THIS_MODULE,
 	.ioctl		= megadev_ioctl,
 	.open		= megadev_open,
diff --git a/drivers/scsi/megaraid/mbox_defs.h b/drivers/scsi/megaraid/mbox_defs.h
index 3052869f51f..170399ef06f 100644
--- a/drivers/scsi/megaraid/mbox_defs.h
+++ b/drivers/scsi/megaraid/mbox_defs.h
@@ -748,7 +748,7 @@ typedef struct {
 
 
 /**
- * private_bios_data - bios private data for boot devices
+ * struct private_bios_data - bios private data for boot devices
  * @geometry	: bits 0-3 - BIOS geometry, 0x0001 - 1GB, 0x0010 - 2GB,
  *		0x1000 - 8GB, Others values are invalid
  * @unused	: bits 4-7 are unused
diff --git a/drivers/scsi/megaraid/mega_common.h b/drivers/scsi/megaraid/mega_common.h
index b50e27e6602..26e1e6c5565 100644
--- a/drivers/scsi/megaraid/mega_common.h
+++ b/drivers/scsi/megaraid/mega_common.h
@@ -46,17 +46,17 @@
 
 /**
  * scb_t - scsi command control block
- * @param ccb		: command control block for individual driver
- * @param list		: list of control blocks
- * @param gp		: general purpose field for LLDs
- * @param sno		: all SCBs have a serial number
- * @param scp		: associated scsi command
- * @param state		: current state of scb
- * @param dma_dir	: direction of data transfer
- * @param dma_type	: transfer with sg list, buffer, or no data transfer
- * @param dev_channel	: actual channel on the device
- * @param dev_target	: actual target on the device
- * @param status	: completion status
+ * @ccb			: command control block for individual driver
+ * @list		: list of control blocks
+ * @gp			: general purpose field for LLDs
+ * @sno			: all SCBs have a serial number
+ * @scp			: associated scsi command
+ * @state		: current state of scb
+ * @dma_dir		: direction of data transfer
+ * @dma_type		: transfer with sg list, buffer, or no data transfer
+ * @dev_channel		: actual channel on the device
+ * @dev_target		: actual target on the device
+ * @status		: completion status
  *
  * This is our central data structure to issue commands the each driver.
  * Driver specific data structures are maintained in the ccb field.
@@ -99,42 +99,42 @@ typedef struct {
 
 /**
  * struct adapter_t - driver's initialization structure
- * @param dpc_h			: tasklet handle
- * @param pdev			: pci configuration pointer for kernel
- * @param host			: pointer to host structure of mid-layer
- * @param lock			: synchronization lock for mid-layer and driver
- * @param quiescent		: driver is quiescent for now.
- * @param outstanding_cmds	: number of commands pending in the driver
- * @param kscb_list		: pointer to the bulk of SCBs pointers for IO
- * @param kscb_pool		: pool of free scbs for IO
- * @param kscb_pool_lock	: lock for pool of free scbs
- * @param pend_list		: pending commands list
- * @param pend_list_lock	: exlusion lock for pending commands list
- * @param completed_list	: list of completed commands
- * @param completed_list_lock	: exclusion lock for list of completed commands
- * @param sglen			: max sg elements supported
- * @param device_ids		: to convert kernel device addr to our devices.
- * @param raid_device		: raid adapter specific pointer
- * @param max_channel		: maximum channel number supported - inclusive
- * @param max_target		: max target supported - inclusive
- * @param max_lun		: max lun supported - inclusive
- * @param unique_id		: unique identifier for each adapter
- * @param irq			: IRQ for this adapter
- * @param ito			: internal timeout value, (-1) means no timeout
- * @param ibuf			: buffer to issue internal commands
- * @param ibuf_dma_h		: dma handle for the above buffer
- * @param uscb_list		: SCB pointers for user cmds, common mgmt module
- * @param uscb_pool		: pool of SCBs for user commands
- * @param uscb_pool_lock	: exclusion lock for these SCBs
- * @param max_cmds		: max outstanding commands
- * @param fw_version		: firmware version
- * @param bios_version		: bios version
- * @param max_cdb_sz		: biggest CDB size supported.
- * @param ha			: is high availability present - clustering
- * @param init_id		: initiator ID, the default value should be 7
- * @param max_sectors		: max sectors per request
- * @param cmd_per_lun		: max outstanding commands per LUN
- * @param being_detached	: set when unloading, no more mgmt calls
+ * @aram dpc_h			: tasklet handle
+ * @pdev			: pci configuration pointer for kernel
+ * @host			: pointer to host structure of mid-layer
+ * @lock			: synchronization lock for mid-layer and driver
+ * @quiescent			: driver is quiescent for now.
+ * @outstanding_cmds		: number of commands pending in the driver
+ * @kscb_list			: pointer to the bulk of SCBs pointers for IO
+ * @kscb_pool			: pool of free scbs for IO
+ * @kscb_pool_lock		: lock for pool of free scbs
+ * @pend_list			: pending commands list
+ * @pend_list_lock		: exclusion lock for pending commands list
+ * @completed_list		: list of completed commands
+ * @completed_list_lock		: exclusion lock for list of completed commands
+ * @sglen			: max sg elements supported
+ * @device_ids			: to convert kernel device addr to our devices.
+ * @raid_device			: raid adapter specific pointer
+ * @max_channel			: maximum channel number supported - inclusive
+ * @max_target			: max target supported - inclusive
+ * @max_lun			: max lun supported - inclusive
+ * @unique_id			: unique identifier for each adapter
+ * @irq				: IRQ for this adapter
+ * @ito				: internal timeout value, (-1) means no timeout
+ * @ibuf			: buffer to issue internal commands
+ * @ibuf_dma_h			: dma handle for the above buffer
+ * @uscb_list			: SCB pointers for user cmds, common mgmt module
+ * @uscb_pool			: pool of SCBs for user commands
+ * @uscb_pool_lock		: exclusion lock for these SCBs
+ * @max_cmds			: max outstanding commands
+ * @fw_version			: firmware version
+ * @bios_version		: bios version
+ * @max_cdb_sz			: biggest CDB size supported.
+ * @ha				: is high availability present - clustering
+ * @init_id			: initiator ID, the default value should be 7
+ * @max_sectors			: max sectors per request
+ * @cmd_per_lun			: max outstanding commands per LUN
+ * @being_detached		: set when unloading, no more mgmt calls
  *
  *
  * mraid_setup_device_map() can be called anytime after the device map is
@@ -211,23 +211,23 @@ typedef struct {
 #define SCP2ADAPTER(scp)	(adapter_t *)SCSIHOST2ADAP(SCP2HOST(scp))
 
 
-/**
- * MRAID_GET_DEVICE_MAP - device ids
- * @param adp		- Adapter's soft state
- * @param scp		- mid-layer scsi command pointer
- * @param p_chan	- physical channel on the controller
- * @param target	- target id of the device or logical drive number
- * @param islogical	- set if the command is for the logical drive
- *
- * Macro to retrieve information about device class, logical or physical and
- * the corresponding physical channel and target or logical drive number
- **/
 #define MRAID_IS_LOGICAL(adp, scp)	\
 	(SCP2CHANNEL(scp) == (adp)->max_channel) ? 1 : 0
 
 #define MRAID_IS_LOGICAL_SDEV(adp, sdev)	\
 	(sdev->channel == (adp)->max_channel) ? 1 : 0
 
+/**
+ * MRAID_GET_DEVICE_MAP - device ids
+ * @adp			: adapter's soft state
+ * @scp			: mid-layer scsi command pointer
+ * @p_chan		: physical channel on the controller
+ * @target		: target id of the device or logical drive number
+ * @islogical		: set if the command is for the logical drive
+ *
+ * Macro to retrieve information about device class, logical or physical and
+ * the corresponding physical channel and target or logical drive number
+ */
 #define MRAID_GET_DEVICE_MAP(adp, scp, p_chan, target, islogical)	\
 	/*								\
 	 * Is the request coming for the virtual channel		\
@@ -271,10 +271,10 @@ typedef struct {
 #define ASSERT(expression)
 #endif
 
-/*
+/**
  * struct mraid_pci_blk - structure holds DMA memory block info
- * @param vaddr		: virtual address to a memory block
- * @param dma_addr	: DMA handle to a memory block
+ * @vaddr		: virtual address to a memory block
+ * @dma_addr		: DMA handle to a memory block
  *
  * This structure is filled up for the caller. It is the responsibilty of the
  * caller to allocate this array big enough to store addresses for all
diff --git a/drivers/scsi/megaraid/megaraid_ioctl.h b/drivers/scsi/megaraid/megaraid_ioctl.h
index b8aa34202ec..706fa05a187 100644
--- a/drivers/scsi/megaraid/megaraid_ioctl.h
+++ b/drivers/scsi/megaraid/megaraid_ioctl.h
@@ -22,23 +22,23 @@
 
 #include "mbox_defs.h"
 
+/*
+ * console messages debug levels
+ */
+#define	CL_ANN		0	/* print unconditionally, announcements */
+#define CL_DLEVEL1	1	/* debug level 1, informative */
+#define CL_DLEVEL2	2	/* debug level 2, verbose */
+#define CL_DLEVEL3	3	/* debug level 3, very verbose */
+
 /**
  * con_log() - console log routine
- * @param level		: indicates the severity of the message.
- * @fparam mt		: format string
+ * @level		: indicates the severity of the message.
+ * @fmt			: format string
  *
  * con_log displays the error messages on the console based on the current
  * debug level. Also it attaches the appropriate kernel severity level with
  * the message.
- *
- *
- * consolge messages debug levels
  */
-#define	CL_ANN		0	/* print unconditionally, announcements */
-#define CL_DLEVEL1	1	/* debug level 1, informative */
-#define CL_DLEVEL2	2	/* debug level 2, verbose */
-#define CL_DLEVEL3	3	/* debug level 3, very verbose */
-
 #define	con_log(level, fmt) if (LSI_DBGLVL >= level) printk fmt;
 
 /*
@@ -157,14 +157,14 @@ typedef struct uioc {
 /**
  * struct mraid_hba_info - information about the controller
  *
- * @param pci_vendor_id		: PCI vendor id
- * @param pci_device_id		: PCI device id
- * @param subsystem_vendor_id	: PCI subsystem vendor id
- * @param subsystem_device_id	: PCI subsystem device id
- * @param baseport		: base port of hba memory
- * @param pci_bus		: PCI bus
- * @param pci_dev_fn		: PCI device/function values
- * @param irq			: interrupt vector for the device
+ * @pci_vendor_id		: PCI vendor id
+ * @pci_device_id		: PCI device id
+ * @subsystem_vendor_id		: PCI subsystem vendor id
+ * @subsystem_device_id		: PCI subsystem device id
+ * @baseport			: base port of hba memory
+ * @pci_bus			: PCI bus
+ * @pci_dev_fn			: PCI device/function values
+ * @irq				: interrupt vector for the device
  *
  * Extended information of 256 bytes about the controller. Align on the single
  * byte boundary so that 32-bit applications can be run on 64-bit platform
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index 7bac86dda88..04d0b6918c6 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -10,13 +10,13 @@
  *	   2 of the License, or (at your option) any later version.
  *
  * FILE		: megaraid_mbox.c
- * Version	: v2.20.4.9 (Jul 16 2006)
+ * Version	: v2.20.5.1 (Nov 16 2006)
  *
  * Authors:
- * 	Atul Mukker		<Atul.Mukker@lsil.com>
- * 	Sreenivas Bagalkote	<Sreenivas.Bagalkote@lsil.com>
- * 	Manoj Jose		<Manoj.Jose@lsil.com>
- * 	Seokmann Ju		<Seokmann.Ju@lsil.com>
+ * 	Atul Mukker		<Atul.Mukker@lsi.com>
+ * 	Sreenivas Bagalkote	<Sreenivas.Bagalkote@lsi.com>
+ * 	Manoj Jose		<Manoj.Jose@lsi.com>
+ * 	Seokmann Ju
  *
  * List of supported controllers
  *
@@ -107,6 +107,7 @@ static int megaraid_mbox_support_random_del(adapter_t *);
 static int megaraid_mbox_get_max_sg(adapter_t *);
 static void megaraid_mbox_enum_raid_scsi(adapter_t *);
 static void megaraid_mbox_flush_cache(adapter_t *);
+static int megaraid_mbox_fire_sync_cmd(adapter_t *);
 
 static void megaraid_mbox_display_scb(adapter_t *, scb_t *);
 static void megaraid_mbox_setup_device_map(adapter_t *);
@@ -137,7 +138,7 @@ static int wait_till_fw_empty(adapter_t *);
 
 
 
-MODULE_AUTHOR("sju@lsil.com");
+MODULE_AUTHOR("megaraidlinux@lsi.com");
 MODULE_DESCRIPTION("LSI Logic MegaRAID Mailbox Driver");
 MODULE_LICENSE("GPL");
 MODULE_VERSION(MEGARAID_VERSION);
@@ -146,7 +147,7 @@ MODULE_VERSION(MEGARAID_VERSION);
  * ### modules parameters for driver ###
  */
 
-/**
+/*
  * Set to enable driver to expose unconfigured disk to kernel
  */
 static int megaraid_expose_unconf_disks = 0;
@@ -154,7 +155,7 @@ module_param_named(unconf_disks, megaraid_expose_unconf_disks, int, 0);
 MODULE_PARM_DESC(unconf_disks,
 	"Set to expose unconfigured disks to kernel (default=0)");
 
-/**
+/*
  * driver wait time if the adapter's mailbox is busy
  */
 static unsigned int max_mbox_busy_wait = MBOX_BUSY_WAIT;
@@ -162,7 +163,7 @@ module_param_named(busy_wait, max_mbox_busy_wait, int, 0);
 MODULE_PARM_DESC(busy_wait,
 	"Max wait for mailbox in microseconds if busy (default=10)");
 
-/**
+/*
  * number of sectors per IO command
  */
 static unsigned int megaraid_max_sectors = MBOX_MAX_SECTORS;
@@ -170,7 +171,7 @@ module_param_named(max_sectors, megaraid_max_sectors, int, 0);
 MODULE_PARM_DESC(max_sectors,
 	"Maximum number of sectors per IO command (default=128)");
 
-/**
+/*
  * number of commands per logical unit
  */
 static unsigned int megaraid_cmd_per_lun = MBOX_DEF_CMD_PER_LUN;
@@ -179,7 +180,7 @@ MODULE_PARM_DESC(cmd_per_lun,
 	"Maximum number of commands per logical unit (default=64)");
 
 
-/**
+/*
  * Fast driver load option, skip scanning for physical devices during load.
  * This would result in non-disk devices being skipped during driver load
  * time. These can be later added though, using /proc/scsi/scsi
@@ -190,7 +191,7 @@ MODULE_PARM_DESC(fast_load,
 	"Faster loading of the driver, skips physical devices! (default=0)");
 
 
-/**
+/*
  * mraid_debug level - threshold for amount of information to be displayed by
  * the driver. This level can be changed through modules parameters, ioctl or
  * sysfs/proc interface. By default, print the announcement messages only.
@@ -337,7 +338,7 @@ static struct device_attribute *megaraid_sdev_attrs[] = {
  *
  * Return value:
  * 	actual depth set
- **/
+ */
 static int megaraid_change_queue_depth(struct scsi_device *sdev, int qdepth)
 {
 	if (qdepth > MBOX_MAX_SCSI_CMDS)
@@ -369,8 +370,8 @@ static struct scsi_host_template megaraid_template_g = {
  * megaraid_init - module load hook
  *
  * We register ourselves as hotplug enabled module and let PCI subsystem
- * discover our adaters
- **/
+ * discover our adapters.
+ */
 static int __init
 megaraid_init(void)
 {
@@ -405,7 +406,7 @@ megaraid_init(void)
 /**
  * megaraid_exit - driver unload entry point
  *
- * We simply unwrap the megaraid_init routine here
+ * We simply unwrap the megaraid_init routine here.
  */
 static void __exit
 megaraid_exit(void)
@@ -421,12 +422,12 @@ megaraid_exit(void)
 
 /**
  * megaraid_probe_one - PCI hotplug entry point
- * @param pdev	: handle to this controller's PCI configuration space
- * @param id	: pci device id of the class of controllers
+ * @pdev	: handle to this controller's PCI configuration space
+ * @id		: pci device id of the class of controllers
  *
  * This routine should be called whenever a new adapter is detected by the
  * PCI hotplug susbsytem.
- **/
+ */
 static int __devinit
 megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 {
@@ -542,16 +543,15 @@ out_probe_one:
 
 
 /**
- * megaraid_detach_one - release the framework resources and call LLD release
- * routine
- * @param pdev	: handle for our PCI cofiguration space
+ * megaraid_detach_one - release framework resources and call LLD release routine
+ * @pdev	: handle for our PCI cofiguration space
  *
  * This routine is called during driver unload. We free all the allocated
  * resources and call the corresponding LLD so that it can also release all
  * its resources.
  *
- * This routine is also called from the PCI hotplug system
- **/
+ * This routine is also called from the PCI hotplug system.
+ */
 static void
 megaraid_detach_one(struct pci_dev *pdev)
 {
@@ -615,9 +615,9 @@ megaraid_detach_one(struct pci_dev *pdev)
 
 /**
  * megaraid_mbox_shutdown - PCI shutdown for megaraid HBA
- * @param device	: generice driver model device
+ * @pdev		: generic driver model device
  *
- * Shutdown notification, perform flush cache
+ * Shutdown notification, perform flush cache.
  */
 static void
 megaraid_mbox_shutdown(struct pci_dev *pdev)
@@ -643,10 +643,10 @@ megaraid_mbox_shutdown(struct pci_dev *pdev)
 
 /**
  * megaraid_io_attach - attach a device with the IO subsystem
- * @param adapter	: controller's soft state
+ * @adapter		: controller's soft state
  *
- * Attach this device with the IO subsystem
- **/
+ * Attach this device with the IO subsystem.
+ */
 static int
 megaraid_io_attach(adapter_t *adapter)
 {
@@ -695,10 +695,10 @@ megaraid_io_attach(adapter_t *adapter)
 
 /**
  * megaraid_io_detach - detach a device from the IO subsystem
- * @param adapter	: controller's soft state
+ * @adapter		: controller's soft state
  *
- * Detach this device from the IO subsystem
- **/
+ * Detach this device from the IO subsystem.
+ */
 static void
 megaraid_io_detach(adapter_t *adapter)
 {
@@ -722,13 +722,13 @@ megaraid_io_detach(adapter_t *adapter)
 
 /**
  * megaraid_init_mbox - initialize controller
- * @param adapter	- our soft state
+ * @adapter		: our soft state
  *
- * . Allocate 16-byte aligned mailbox memory for firmware handshake
- * . Allocate controller's memory resources
- * . Find out all initialization data
- * . Allocate memory required for all the commands
- * . Use internal library of FW routines, build up complete soft state
+ * - Allocate 16-byte aligned mailbox memory for firmware handshake
+ * - Allocate controller's memory resources
+ * - Find out all initialization data
+ * - Allocate memory required for all the commands
+ * - Use internal library of FW routines, build up complete soft state
  */
 static int __devinit
 megaraid_init_mbox(adapter_t *adapter)
@@ -779,33 +779,39 @@ megaraid_init_mbox(adapter_t *adapter)
 		goto out_release_regions;
 	}
 
-	//
-	// Setup the rest of the soft state using the library of FW routines
-	//
+	/* initialize the mutual exclusion lock for the mailbox */
+	spin_lock_init(&raid_dev->mailbox_lock);
 
-	// request IRQ and register the interrupt service routine
+	/* allocate memory required for commands */
+	if (megaraid_alloc_cmd_packets(adapter) != 0)
+		goto out_iounmap;
+
+	/*
+	 * Issue SYNC cmd to flush the pending cmds in the adapter
+	 * and initialize its internal state
+	 */
+
+	if (megaraid_mbox_fire_sync_cmd(adapter))
+		con_log(CL_ANN, ("megaraid: sync cmd failed\n"));
+
+	/*
+	 * Setup the rest of the soft state using the library of
+	 * FW routines
+	 */
+
+	/* request IRQ and register the interrupt service routine */
 	if (request_irq(adapter->irq, megaraid_isr, IRQF_SHARED, "megaraid",
 		adapter)) {
 
 		con_log(CL_ANN, (KERN_WARNING
 			"megaraid: Couldn't register IRQ %d!\n", adapter->irq));
+		goto out_alloc_cmds;
 
-		goto out_iounmap;
-	}
-
-
-	// initialize the mutual exclusion lock for the mailbox
-	spin_lock_init(&raid_dev->mailbox_lock);
-
-	// allocate memory required for commands
-	if (megaraid_alloc_cmd_packets(adapter) != 0) {
-		goto out_free_irq;
 	}
 
 	// Product info
-	if (megaraid_mbox_product_info(adapter) != 0) {
-		goto out_alloc_cmds;
-	}
+	if (megaraid_mbox_product_info(adapter) != 0)
+		goto out_free_irq;
 
 	// Do we support extended CDBs
 	adapter->max_cdb_sz = 10;
@@ -874,9 +880,8 @@ megaraid_init_mbox(adapter_t *adapter)
 	 * Allocate resources required to issue FW calls, when sysfs is
 	 * accessed
 	 */
-	if (megaraid_sysfs_alloc_resources(adapter) != 0) {
-		goto out_alloc_cmds;
-	}
+	if (megaraid_sysfs_alloc_resources(adapter) != 0)
+		goto out_free_irq;
 
 	// Set the DMA mask to 64-bit. All supported controllers as capable of
 	// DMA in this range
@@ -920,10 +925,10 @@ megaraid_init_mbox(adapter_t *adapter)
 
 out_free_sysfs_res:
 	megaraid_sysfs_free_resources(adapter);
-out_alloc_cmds:
-	megaraid_free_cmd_packets(adapter);
 out_free_irq:
 	free_irq(adapter->irq, adapter);
+out_alloc_cmds:
+	megaraid_free_cmd_packets(adapter);
 out_iounmap:
 	iounmap(raid_dev->baseaddr);
 out_release_regions:
@@ -937,7 +942,7 @@ out_free_raid_dev:
 
 /**
  * megaraid_fini_mbox - undo controller initialization
- * @param adapter	: our soft state
+ * @adapter		: our soft state
  */
 static void
 megaraid_fini_mbox(adapter_t *adapter)
@@ -967,12 +972,12 @@ megaraid_fini_mbox(adapter_t *adapter)
 
 /**
  * megaraid_alloc_cmd_packets - allocate shared mailbox
- * @param adapter	: soft state of the raid controller
+ * @adapter		: soft state of the raid controller
  *
  * Allocate and align the shared mailbox. This maibox is used to issue
  * all the commands. For IO based controllers, the mailbox is also regsitered
  * with the FW. Allocate memory for all commands as well.
- * This is our big allocator
+ * This is our big allocator.
  */
 static int
 megaraid_alloc_cmd_packets(adapter_t *adapter)
@@ -1132,9 +1137,9 @@ out_free_common_mbox:
 
 /**
  * megaraid_free_cmd_packets - free memory
- * @param adapter	: soft state of the raid controller
+ * @adapter		: soft state of the raid controller
  *
- * Release memory resources allocated for commands
+ * Release memory resources allocated for commands.
  */
 static void
 megaraid_free_cmd_packets(adapter_t *adapter)
@@ -1156,10 +1161,10 @@ megaraid_free_cmd_packets(adapter_t *adapter)
 
 /**
  * megaraid_mbox_setup_dma_pools - setup dma pool for command packets
- * @param adapter	: HBA soft state
+ * @adapter		: HBA soft state
  *
- * setup the dma pools for mailbox, passthru and extended passthru structures,
- * and scatter-gather lists
+ * Setup the dma pools for mailbox, passthru and extended passthru structures,
+ * and scatter-gather lists.
  */
 static int
 megaraid_mbox_setup_dma_pools(adapter_t *adapter)
@@ -1252,10 +1257,10 @@ fail_setup_dma_pool:
 
 /**
  * megaraid_mbox_teardown_dma_pools - teardown dma pools for command packets
- * @param adapter	: HBA soft state
+ * @adapter		: HBA soft state
  *
- * teardown the dma pool for mailbox, passthru and extended passthru
- * structures, and scatter-gather lists
+ * Teardown the dma pool for mailbox, passthru and extended passthru
+ * structures, and scatter-gather lists.
  */
 static void
 megaraid_mbox_teardown_dma_pools(adapter_t *adapter)
@@ -1300,10 +1305,11 @@ megaraid_mbox_teardown_dma_pools(adapter_t *adapter)
 /**
  * megaraid_alloc_scb - detach and return a scb from the free list
  * @adapter	: controller's soft state
+ * @scp		: pointer to the scsi command to be executed
  *
- * return the scb from the head of the free list. NULL if there are none
- * available
- **/
+ * Return the scb from the head of the free list. %NULL if there are none
+ * available.
+ */
 static scb_t *
 megaraid_alloc_scb(adapter_t *adapter, struct scsi_cmnd *scp)
 {
@@ -1337,11 +1343,11 @@ megaraid_alloc_scb(adapter_t *adapter, struct scsi_cmnd *scp)
  * @adapter	: controller's soft state
  * @scb		: scb to be freed
  *
- * return the scb back to the free list of scbs. The caller must 'flush' the
+ * Return the scb back to the free list of scbs. The caller must 'flush' the
  * SCB before calling us. E.g., performing pci_unamp and/or pci_sync etc.
  * NOTE NOTE: Make sure the scb is not on any list before calling this
  * routine.
- **/
+ */
 static inline void
 megaraid_dealloc_scb(adapter_t *adapter, scb_t *scb)
 {
@@ -1362,10 +1368,10 @@ megaraid_dealloc_scb(adapter_t *adapter, scb_t *scb)
 
 /**
  * megaraid_mbox_mksgl - make the scatter-gather list
- * @adapter	- controller's soft state
- * @scb		- scsi control block
+ * @adapter	: controller's soft state
+ * @scb		: scsi control block
  *
- * prepare the scatter-gather list
+ * Prepare the scatter-gather list.
  */
 static int
 megaraid_mbox_mksgl(adapter_t *adapter, scb_t *scb)
@@ -1435,10 +1441,10 @@ megaraid_mbox_mksgl(adapter_t *adapter, scb_t *scb)
 
 /**
  * mbox_post_cmd - issue a mailbox command
- * @adapter	- controller's soft state
- * @scb		- command to be issued
+ * @adapter	: controller's soft state
+ * @scb		: command to be issued
  *
- * post the command to the controller if mailbox is availble.
+ * Post the command to the controller if mailbox is available.
  */
 static int
 mbox_post_cmd(adapter_t *adapter, scb_t *scb)
@@ -1518,7 +1524,7 @@ mbox_post_cmd(adapter_t *adapter, scb_t *scb)
  * Queue entry point for mailbox based controllers.
  */
 static int
-megaraid_queue_command(struct scsi_cmnd *scp, void (* done)(struct scsi_cmnd *))
+megaraid_queue_command(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
 {
 	adapter_t	*adapter;
 	scb_t		*scb;
@@ -1548,15 +1554,15 @@ megaraid_queue_command(struct scsi_cmnd *scp, void (* done)(struct scsi_cmnd *))
 }
 
 /**
- * megaraid_mbox_build_cmd - transform the mid-layer scsi command to megaraid
- * firmware lingua
- * @adapter	- controller's soft state
- * @scp		- mid-layer scsi command pointer
- * @busy	- set if request could not be completed because of lack of
+ * megaraid_mbox_build_cmd - transform the mid-layer scsi commands
+ * @adapter	: controller's soft state
+ * @scp		: mid-layer scsi command pointer
+ * @busy	: set if request could not be completed because of lack of
  *		resources
  *
- * convert the command issued by mid-layer to format understood by megaraid
- * firmware. We also complete certain command without sending them to firmware
+ * Transform the mid-layer scsi command to megaraid firmware lingua.
+ * Convert the command issued by mid-layer to format understood by megaraid
+ * firmware. We also complete certain commands without sending them to firmware.
  */
 static scb_t *
 megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
@@ -1937,9 +1943,9 @@ megaraid_mbox_build_cmd(adapter_t *adapter, struct scsi_cmnd *scp, int *busy)
 /**
  * megaraid_mbox_runpendq - execute commands queued in the pending queue
  * @adapter	: controller's soft state
- * @scb		: SCB to be queued in the pending list
+ * @scb_q	: SCB to be queued in the pending list
  *
- * scan the pending list for commands which are not yet issued and try to
+ * Scan the pending list for commands which are not yet issued and try to
  * post to the controller. The SCB can be a null pointer, which would indicate
  * no SCB to be queue, just try to execute the ones in the pending list.
  *
@@ -2012,11 +2018,11 @@ megaraid_mbox_runpendq(adapter_t *adapter, scb_t *scb_q)
 
 /**
  * megaraid_mbox_prepare_pthru - prepare a command for physical devices
- * @adapter	- pointer to controller's soft state
- * @scb		- scsi control block
- * @scp		- scsi command from the mid-layer
+ * @adapter	: pointer to controller's soft state
+ * @scb		: scsi control block
+ * @scp		: scsi command from the mid-layer
  *
- * prepare a command for the scsi physical devices
+ * Prepare a command for the scsi physical devices.
  */
 static void
 megaraid_mbox_prepare_pthru(adapter_t *adapter, scb_t *scb,
@@ -2060,12 +2066,12 @@ megaraid_mbox_prepare_pthru(adapter_t *adapter, scb_t *scb,
 
 /**
  * megaraid_mbox_prepare_epthru - prepare a command for physical devices
- * @adapter	- pointer to controller's soft state
- * @scb		- scsi control block
- * @scp		- scsi command from the mid-layer
+ * @adapter	: pointer to controller's soft state
+ * @scb		: scsi control block
+ * @scp		: scsi command from the mid-layer
  *
- * prepare a command for the scsi physical devices. This rountine prepares
- * commands for devices which can take extended CDBs (>10 bytes)
+ * Prepare a command for the scsi physical devices. This rountine prepares
+ * commands for devices which can take extended CDBs (>10 bytes).
  */
 static void
 megaraid_mbox_prepare_epthru(adapter_t *adapter, scb_t *scb,
@@ -2109,9 +2115,9 @@ megaraid_mbox_prepare_epthru(adapter_t *adapter, scb_t *scb,
 
 /**
  * megaraid_ack_sequence - interrupt ack sequence for memory mapped HBAs
- * @adapter	- controller's soft state
+ * @adapter	: controller's soft state
  *
- * Interrupt ackrowledgement sequence for memory mapped HBAs. Find out the
+ * Interrupt acknowledgement sequence for memory mapped HBAs. Find out the
  * completed command and put them on the completed list for later processing.
  *
  * Returns:	1 if the interrupt is valid, 0 otherwise
@@ -2224,9 +2230,8 @@ megaraid_ack_sequence(adapter_t *adapter)
 
 /**
  * megaraid_isr - isr for memory based mailbox based controllers
- * @irq		- irq
- * @devp	- pointer to our soft state
- * @regs	- unused
+ * @irq		: irq
+ * @devp	: pointer to our soft state
  *
  * Interrupt service routine for memory-mapped mailbox controllers.
  */
@@ -2671,7 +2676,7 @@ megaraid_abort_handler(struct scsi_cmnd *scp)
  * the FW is still live, in which case the outstanding commands counter mut go
  * down to 0. If that happens, also issue the reservation reset command to
  * relinquish (possible) reservations on the logical drives connected to this
- * host
+ * host.
  **/
 static int
 megaraid_reset_handler(struct scsi_cmnd *scp)
@@ -2823,11 +2828,11 @@ megaraid_reset_handler(struct scsi_cmnd *scp)
 
 /**
  * mbox_post_sync_cmd() - blocking command to the mailbox based controllers
- * @adapter	- controller's soft state
- * @raw_mbox	- the mailbox
+ * @adapter	: controller's soft state
+ * @raw_mbox	: the mailbox
  *
  * Issue a scb in synchronous and non-interrupt mode for mailbox based
- * controllers
+ * controllers.
  */
 static int
 mbox_post_sync_cmd(adapter_t *adapter, uint8_t raw_mbox[])
@@ -2955,12 +2960,12 @@ blocked_mailbox:
 
 /**
  * mbox_post_sync_cmd_fast - blocking command to the mailbox based controllers
- * @adapter	- controller's soft state
- * @raw_mbox	- the mailbox
+ * @adapter	: controller's soft state
+ * @raw_mbox	: the mailbox
  *
  * Issue a scb in synchronous and non-interrupt mode for mailbox based
  * controllers. This is a faster version of the synchronous command and
- * therefore can be called in interrupt-context as well
+ * therefore can be called in interrupt-context as well.
  */
 static int
 mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[])
@@ -3008,10 +3013,10 @@ mbox_post_sync_cmd_fast(adapter_t *adapter, uint8_t raw_mbox[])
 
 /**
  * megaraid_busywait_mbox() - Wait until the controller's mailbox is available
- * @raid_dev	- RAID device (HBA) soft state
+ * @raid_dev	: RAID device (HBA) soft state
  *
- * wait until the controller's mailbox is available to accept more commands.
- * wait for at most 1 second
+ * Wait until the controller's mailbox is available to accept more commands.
+ * Wait for at most 1 second.
  */
 static int
 megaraid_busywait_mbox(mraid_device_t *raid_dev)
@@ -3032,9 +3037,9 @@ megaraid_busywait_mbox(mraid_device_t *raid_dev)
 
 /**
  * megaraid_mbox_product_info - some static information about the controller
- * @adapter	- our soft state
+ * @adapter	: our soft state
  *
- * issue commands to the controller to grab some parameters required by our
+ * Issue commands to the controller to grab some parameters required by our
  * caller.
  */
 static int
@@ -3157,10 +3162,10 @@ megaraid_mbox_product_info(adapter_t *adapter)
 
 /**
  * megaraid_mbox_extended_cdb - check for support for extended CDBs
- * @adapter	- soft state for the controller
+ * @adapter	: soft state for the controller
  *
- * this routine check whether the controller in question supports extended
- * ( > 10 bytes ) CDBs
+ * This routine check whether the controller in question supports extended
+ * ( > 10 bytes ) CDBs.
  */
 static int
 megaraid_mbox_extended_cdb(adapter_t *adapter)
@@ -3193,8 +3198,8 @@ megaraid_mbox_extended_cdb(adapter_t *adapter)
 
 /**
  * megaraid_mbox_support_ha - Do we support clustering
- * @adapter	- soft state for the controller
- * @init_id	- ID of the initiator
+ * @adapter	: soft state for the controller
+ * @init_id	: ID of the initiator
  *
  * Determine if the firmware supports clustering and the ID of the initiator.
  */
@@ -3236,9 +3241,9 @@ megaraid_mbox_support_ha(adapter_t *adapter, uint16_t *init_id)
 
 /**
  * megaraid_mbox_support_random_del - Do we support random deletion
- * @adapter	- soft state for the controller
+ * @adapter	: soft state for the controller
  *
- * Determine if the firmware supports random deletion
+ * Determine if the firmware supports random deletion.
  * Return:	1 is operation supported, 0 otherwise
  */
 static int
@@ -3271,10 +3276,10 @@ megaraid_mbox_support_random_del(adapter_t *adapter)
 
 /**
  * megaraid_mbox_get_max_sg - maximum sg elements supported by the firmware
- * @adapter	- soft state for the controller
+ * @adapter	: soft state for the controller
  *
  * Find out the maximum number of scatter-gather elements supported by the
- * firmware
+ * firmware.
  */
 static int
 megaraid_mbox_get_max_sg(adapter_t *adapter)
@@ -3311,10 +3316,10 @@ megaraid_mbox_get_max_sg(adapter_t *adapter)
 
 /**
  * megaraid_mbox_enum_raid_scsi - enumerate the RAID and SCSI channels
- * @adapter	- soft state for the controller
+ * @adapter	: soft state for the controller
  *
- * Enumerate the RAID and SCSI channels for ROMB platoforms so that channels
- * can be exported as regular SCSI channels
+ * Enumerate the RAID and SCSI channels for ROMB platforms so that channels
+ * can be exported as regular SCSI channels.
  */
 static void
 megaraid_mbox_enum_raid_scsi(adapter_t *adapter)
@@ -3348,9 +3353,9 @@ megaraid_mbox_enum_raid_scsi(adapter_t *adapter)
 
 /**
  * megaraid_mbox_flush_cache - flush adapter and disks cache
- * @param adapter	: soft state for the controller
+ * @adapter		: soft state for the controller
  *
- * Flush adapter cache followed by disks cache
+ * Flush adapter cache followed by disks cache.
  */
 static void
 megaraid_mbox_flush_cache(adapter_t *adapter)
@@ -3380,13 +3385,91 @@ megaraid_mbox_flush_cache(adapter_t *adapter)
 
 
 /**
+ * megaraid_mbox_fire_sync_cmd - fire the sync cmd
+ * @adapter		: soft state for the controller
+ *
+ * Clears the pending cmds in FW and reinits its RAID structs.
+ */
+static int
+megaraid_mbox_fire_sync_cmd(adapter_t *adapter)
+{
+	mbox_t	*mbox;
+	uint8_t	raw_mbox[sizeof(mbox_t)];
+	mraid_device_t	*raid_dev = ADAP2RAIDDEV(adapter);
+	mbox64_t *mbox64;
+	int	status = 0;
+	int i;
+	uint32_t dword;
+
+	mbox = (mbox_t *)raw_mbox;
+
+	memset((caddr_t)raw_mbox, 0, sizeof(mbox_t));
+
+	raw_mbox[0] = 0xFF;
+
+	mbox64	= raid_dev->mbox64;
+	mbox	= raid_dev->mbox;
+
+	/* Wait until mailbox is free */
+	if (megaraid_busywait_mbox(raid_dev) != 0) {
+		status = 1;
+		goto blocked_mailbox;
+	}
+
+	/* Copy mailbox data into host structure */
+	memcpy((caddr_t)mbox, (caddr_t)raw_mbox, 16);
+	mbox->cmdid		= 0xFE;
+	mbox->busy		= 1;
+	mbox->poll		= 0;
+	mbox->ack		= 0;
+	mbox->numstatus		= 0;
+	mbox->status		= 0;
+
+	wmb();
+	WRINDOOR(raid_dev, raid_dev->mbox_dma | 0x1);
+
+	/* Wait for maximum 1 min for status to post.
+	 * If the Firmware SUPPORTS the ABOVE COMMAND,
+	 * mbox->cmd will be set to 0
+	 * else
+	 * the firmware will reject the command with
+	 * mbox->numstatus set to 1
+	 */
+
+	i = 0;
+	status = 0;
+	while (!mbox->numstatus && mbox->cmd == 0xFF) {
+		rmb();
+		msleep(1);
+		i++;
+		if (i > 1000 * 60) {
+			status = 1;
+			break;
+		}
+	}
+	if (mbox->numstatus == 1)
+		status = 1; /*cmd not supported*/
+
+	/* Check for interrupt line */
+	dword = RDOUTDOOR(raid_dev);
+	WROUTDOOR(raid_dev, dword);
+	WRINDOOR(raid_dev,2);
+
+	return status;
+
+blocked_mailbox:
+	con_log(CL_ANN, (KERN_WARNING "megaraid: blocked mailbox\n"));
+	return status;
+}
+
+/**
  * megaraid_mbox_display_scb - display SCB information, mostly debug purposes
- * @param adapter	: controllers' soft state
- * @param scb		: SCB to be displayed
- * @param level	: debug level for console print
+ * @adapter		: controller's soft state
+ * @scb			: SCB to be displayed
+ * @level		: debug level for console print
  *
  * Diplay information about the given SCB iff the current debug level is
- * verbose
+ * verbose.
  */
 static void
 megaraid_mbox_display_scb(adapter_t *adapter, scb_t *scb)
@@ -3434,7 +3517,7 @@ megaraid_mbox_display_scb(adapter_t *adapter, scb_t *scb)
  * scsi addresses and megaraid scsi and logical drive addresses. We export
  * scsi devices on their actual addresses, whereas the logical drives are
  * exported on a virtual scsi channel.
- **/
+ */
 static void
 megaraid_mbox_setup_device_map(adapter_t *adapter)
 {
@@ -3472,7 +3555,7 @@ megaraid_mbox_setup_device_map(adapter_t *adapter)
 
 /**
  * megaraid_cmm_register - register with the mangement module
- * @param adapter	: HBA soft state
+ * @adapter		: HBA soft state
  *
  * Register with the management module, which allows applications to issue
  * ioctl calls to the drivers. This interface is used by the management module
@@ -3562,11 +3645,11 @@ megaraid_cmm_register(adapter_t *adapter)
 
 /**
  * megaraid_cmm_unregister - un-register with the mangement module
- * @param adapter	: HBA soft state
+ * @adapter		: HBA soft state
  *
  * Un-register with the management module.
  * FIXME: mgmt module must return failure for unregister if it has pending
- * commands in LLD
+ * commands in LLD.
  */
 static int
 megaraid_cmm_unregister(adapter_t *adapter)
@@ -3579,9 +3662,9 @@ megaraid_cmm_unregister(adapter_t *adapter)
 
 /**
  * megaraid_mbox_mm_handler - interface for CMM to issue commands to LLD
- * @param drvr_data	: LLD specific data
- * @param kioc		: CMM interface packet
- * @param action	: command action
+ * @drvr_data		: LLD specific data
+ * @kioc		: CMM interface packet
+ * @action		: command action
  *
  * This routine is invoked whenever the Common Mangement Module (CMM) has a
  * command for us. The 'action' parameter specifies if this is a new command
@@ -3634,8 +3717,8 @@ megaraid_mbox_mm_handler(unsigned long drvr_data, uioc_t *kioc, uint32_t action)
 
 /**
  * megaraid_mbox_mm_command - issues commands routed through CMM
- * @param adapter	: HBA soft state
- * @param kioc		: management command packet
+ * @adapter		: HBA soft state
+ * @kioc		: management command packet
  *
  * Issues commands, which are routed through the management module.
  */
@@ -3804,8 +3887,8 @@ megaraid_mbox_mm_done(adapter_t *adapter, scb_t *scb)
 
 /**
  * gather_hbainfo - HBA characteristics for the applications
- * @param adapter	: HBA soft state
- * @param hinfo		: pointer to the caller's host info strucuture
+ * @adapter		: HBA soft state
+ * @hinfo		: pointer to the caller's host info strucuture
  */
 static int
 gather_hbainfo(adapter_t *adapter, mraid_hba_info_t *hinfo)
@@ -3839,16 +3922,15 @@ gather_hbainfo(adapter_t *adapter, mraid_hba_info_t *hinfo)
 
 /**
  * megaraid_sysfs_alloc_resources - allocate sysfs related resources
+ * @adapter	: controller's soft state
  *
  * Allocate packets required to issue FW calls whenever the sysfs attributes
  * are read. These attributes would require up-to-date information from the
  * FW. Also set up resources for mutual exclusion to share these resources and
  * the wait queue.
  *
- * @param adapter : controller's soft state
- *
- * @return 0 on success
- * @return -ERROR_CODE on failure
+ * Return 0 on success.
+ * Return -ERROR_CODE on failure.
  */
 static int
 megaraid_sysfs_alloc_resources(adapter_t *adapter)
@@ -3885,10 +3967,9 @@ megaraid_sysfs_alloc_resources(adapter_t *adapter)
 
 /**
  * megaraid_sysfs_free_resources - free sysfs related resources
+ * @adapter	: controller's soft state
  *
  * Free packets allocated for sysfs FW commands
- *
- * @param adapter : controller's soft state
  */
 static void
 megaraid_sysfs_free_resources(adapter_t *adapter)
@@ -3907,10 +3988,9 @@ megaraid_sysfs_free_resources(adapter_t *adapter)
 
 /**
  * megaraid_sysfs_get_ldmap_done - callback for get ldmap
+ * @uioc	: completed packet
  *
  * Callback routine called in the ISR/tasklet context for get ldmap call
- *
- * @param uioc : completed packet
  */
 static void
 megaraid_sysfs_get_ldmap_done(uioc_t *uioc)
@@ -3926,12 +4006,11 @@ megaraid_sysfs_get_ldmap_done(uioc_t *uioc)
 
 /**
  * megaraid_sysfs_get_ldmap_timeout - timeout handling for get ldmap
+ * @data	: timed out packet
  *
  * Timeout routine to recover and return to application, in case the adapter
- * has stopped responding. A timeout of 60 seconds for this command seem like
- * a good value
- *
- * @param uioc : timed out packet
+ * has stopped responding. A timeout of 60 seconds for this command seems like
+ * a good value.
  */
 static void
 megaraid_sysfs_get_ldmap_timeout(unsigned long data)
@@ -3948,6 +4027,7 @@ megaraid_sysfs_get_ldmap_timeout(unsigned long data)
 
 /**
  * megaraid_sysfs_get_ldmap - get update logical drive map
+ * @adapter	: controller's soft state
  *
  * This routine will be called whenever user reads the logical drive
  * attributes, go get the current logical drive mapping table from the
@@ -3959,10 +4039,8 @@ megaraid_sysfs_get_ldmap_timeout(unsigned long data)
  * standalone libary. For now, this should suffice since there is no other
  * user of this interface.
  *
- * @param adapter : controller's soft state
- *
- * @return 0 on success
- * @return -1 on failure
+ * Return 0 on success.
+ * Return -1 on failure.
  */
 static int
 megaraid_sysfs_get_ldmap(adapter_t *adapter)
@@ -4064,13 +4142,12 @@ megaraid_sysfs_get_ldmap(adapter_t *adapter)
 
 /**
  * megaraid_sysfs_show_app_hndl - display application handle for this adapter
+ * @cdev	: class device object representation for the host
+ * @buf		: buffer to send data to
  *
  * Display the handle used by the applications while executing management
  * tasks on the adapter. We invoke a management module API to get the adapter
  * handle, since we do not interface with applications directly.
- *
- * @param cdev	: class device object representation for the host
- * @param buf	: buffer to send data to
  */
 static ssize_t
 megaraid_sysfs_show_app_hndl(struct class_device *cdev, char *buf)
@@ -4087,16 +4164,18 @@ megaraid_sysfs_show_app_hndl(struct class_device *cdev, char *buf)
 
 /**
  * megaraid_sysfs_show_ldnum - display the logical drive number for this device
+ * @dev		: device object representation for the scsi device
+ * @attr	: device attribute to show
+ * @buf		: buffer to send data to
  *
  * Display the logical drive number for the device in question, if it a valid
- * logical drive. For physical devices, "-1" is returned
- * The logical drive number is displayed in following format
+ * logical drive. For physical devices, "-1" is returned.
+ *
+ * The logical drive number is displayed in following format:
  *
  * <SCSI ID> <LD NUM> <LD STICKY ID> <APP ADAPTER HANDLE>
- *   <int>     <int>       <int>            <int>
  *
- * @param dev	: device object representation for the scsi device
- * @param buf	: buffer to send data to
+ *   <int>     <int>       <int>            <int>
  */
 static ssize_t
 megaraid_sysfs_show_ldnum(struct device *dev, struct device_attribute *attr, char *buf)
diff --git a/drivers/scsi/megaraid/megaraid_mbox.h b/drivers/scsi/megaraid/megaraid_mbox.h
index 2b5a3285f79..9de803cebd4 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.h
+++ b/drivers/scsi/megaraid/megaraid_mbox.h
@@ -21,8 +21,8 @@
 #include "megaraid_ioctl.h"
 
 
-#define MEGARAID_VERSION	"2.20.4.9"
-#define MEGARAID_EXT_VERSION	"(Release Date: Sun Jul 16 12:27:22 EST 2006)"
+#define MEGARAID_VERSION	"2.20.5.1"
+#define MEGARAID_EXT_VERSION	"(Release Date: Thu Nov 16 15:32:35 EST 2006)"
 
 
 /*
@@ -146,27 +146,27 @@ typedef struct {
 
 /**
  * mraid_device_t - adapter soft state structure for mailbox controllers
- * @param una_mbox64		: 64-bit mbox - unaligned
- * @param una_mbox64_dma	: mbox dma addr - unaligned
- * @param mbox			: 32-bit mbox - aligned
- * @param mbox64		: 64-bit mbox - aligned
- * @param mbox_dma		: mbox dma addr - aligned
- * @param mailbox_lock		: exclusion lock for the mailbox
- * @param baseport		: base port of hba memory
- * @param baseaddr		: mapped addr of hba memory
- * @param mbox_pool		: pool of mailboxes
- * @param mbox_pool_handle	: handle for the mailbox pool memory
- * @param epthru_pool		: a pool for extended passthru commands
- * @param epthru_pool_handle	: handle to the pool above
- * @param sg_pool		: pool of scatter-gather lists for this driver
- * @param sg_pool_handle	: handle to the pool above
- * @param ccb_list		: list of our command control blocks
- * @param uccb_list		: list of cmd control blocks for mgmt module
- * @param umbox64		: array of mailbox for user commands (cmm)
- * @param pdrv_state		: array for state of each physical drive.
- * @param last_disp		: flag used to show device scanning
- * @param hw_error		: set if FW not responding
- * @param fast_load		: If set, skip physical device scanning
+ * @una_mbox64			: 64-bit mbox - unaligned
+ * @una_mbox64_dma		: mbox dma addr - unaligned
+ * @mbox			: 32-bit mbox - aligned
+ * @mbox64			: 64-bit mbox - aligned
+ * @mbox_dma			: mbox dma addr - aligned
+ * @mailbox_lock		: exclusion lock for the mailbox
+ * @baseport			: base port of hba memory
+ * @baseaddr			: mapped addr of hba memory
+ * @mbox_pool			: pool of mailboxes
+ * @mbox_pool_handle		: handle for the mailbox pool memory
+ * @epthru_pool			: a pool for extended passthru commands
+ * @epthru_pool_handle		: handle to the pool above
+ * @sg_pool			: pool of scatter-gather lists for this driver
+ * @sg_pool_handle		: handle to the pool above
+ * @ccb_list			: list of our command control blocks
+ * @uccb_list			: list of cmd control blocks for mgmt module
+ * @umbox64			: array of mailbox for user commands (cmm)
+ * @pdrv_state			: array for state of each physical drive.
+ * @last_disp			: flag used to show device scanning
+ * @hw_error			: set if FW not responding
+ * @fast_load			: If set, skip physical device scanning
  * @channel_class		: channel class, RAID or SCSI
  * @sysfs_sem			: semaphore to serialize access to sysfs res.
  * @sysfs_uioc			: management packet to issue FW calls from sysfs
diff --git a/drivers/scsi/megaraid/megaraid_mm.c b/drivers/scsi/megaraid/megaraid_mm.c
index d85b9a8f1b8..f33a678f089 100644
--- a/drivers/scsi/megaraid/megaraid_mm.c
+++ b/drivers/scsi/megaraid/megaraid_mm.c
@@ -67,7 +67,7 @@ static struct list_head adapters_list_g;
 
 static wait_queue_head_t wait_q;
 
-static struct file_operations lsi_fops = {
+static const struct file_operations lsi_fops = {
 	.open	= mraid_mm_open,
 	.ioctl	= mraid_mm_ioctl,
 #ifdef CONFIG_COMPAT
@@ -78,10 +78,10 @@ static struct file_operations lsi_fops = {
 
 /**
  * mraid_mm_open - open routine for char node interface
- * @inod	: unused
+ * @inode	: unused
  * @filep	: unused
  *
- * allow ioctl operations by apps only if they superuser privilege
+ * Allow ioctl operations by apps only if they have superuser privilege.
  */
 static int
 mraid_mm_open(struct inode *inode, struct file *filep)
@@ -214,7 +214,9 @@ mraid_mm_ioctl(struct inode *inode, struct file *filep, unsigned int cmd,
 /**
  * mraid_mm_get_adapter - Returns corresponding adapters for the mimd packet
  * @umimd	: User space mimd_t ioctl packet
- * @adapter	: pointer to the adapter (OUT)
+ * @rval	: returned success/error status
+ *
+ * The function return value is a pointer to the located @adapter.
  */
 static mraid_mmadp_t *
 mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
@@ -252,11 +254,11 @@ mraid_mm_get_adapter(mimd_t __user *umimd, int *rval)
 	return adapter;
 }
 
-/*
- * handle_drvrcmd - This routine checks if the opcode is a driver
- * 			  cmd and if it is, handles it.
+/**
+ * handle_drvrcmd - Checks if the opcode is a driver cmd and if it is, handles it.
  * @arg		: packet sent by the user app
  * @old_ioctl	: mimd if 1; uioc otherwise
+ * @rval	: pointer for command's returned value (not function status)
  */
 static int
 handle_drvrcmd(void __user *arg, uint8_t old_ioctl, int *rval)
@@ -322,8 +324,8 @@ old_packet:
 
 /**
  * mimd_to_kioc	- Converter from old to new ioctl format
- *
  * @umimd	: user space old MIMD IOCTL
+ * @adp		: adapter softstate
  * @kioc	: kernel space new format IOCTL
  *
  * Routine to convert MIMD interface IOCTL to new interface IOCTL packet. The
@@ -474,7 +476,6 @@ mimd_to_kioc(mimd_t __user *umimd, mraid_mmadp_t *adp, uioc_t *kioc)
 
 /**
  * mraid_mm_attch_buf - Attach a free dma buffer for required size
- *
  * @adp		: Adapter softstate
  * @kioc	: kioc that the buffer needs to be attached to
  * @xferlen	: required length for buffer
@@ -607,7 +608,6 @@ mraid_mm_alloc_kioc(mraid_mmadp_t *adp)
 
 /**
  * mraid_mm_dealloc_kioc - Return kioc to free pool
- *
  * @adp		: Adapter softstate
  * @kioc	: uioc_t node to be returned to free pool
  */
@@ -652,7 +652,6 @@ mraid_mm_dealloc_kioc(mraid_mmadp_t *adp, uioc_t *kioc)
 
 /**
  * lld_ioctl - Routine to issue ioctl to low level drvr
- *
  * @adp		: The adapter handle
  * @kioc	: The ioctl packet with kernel addresses
  */
@@ -705,7 +704,6 @@ lld_ioctl(mraid_mmadp_t *adp, uioc_t *kioc)
 
 /**
  * ioctl_done - callback from the low level driver
- *
  * @kioc	: completed ioctl packet
  */
 static void
@@ -756,9 +754,8 @@ ioctl_done(uioc_t *kioc)
 }
 
 
-/*
- * lld_timedout	: callback from the expired timer
- *
+/**
+ * lld_timedout	- callback from the expired timer
  * @ptr		: ioctl packet that timed out
  */
 static void
@@ -776,8 +773,7 @@ lld_timedout(unsigned long ptr)
 
 
 /**
- * kioc_to_mimd	: Converter from new back to old format
- *
+ * kioc_to_mimd	- Converter from new back to old format
  * @kioc	: Kernel space IOCTL packet (successfully issued)
  * @mimd	: User space MIMD packet
  */
@@ -855,7 +851,6 @@ kioc_to_mimd(uioc_t *kioc, mimd_t __user *mimd)
 
 /**
  * hinfo_to_cinfo - Convert new format hba info into old format
- *
  * @hinfo	: New format, more comprehensive adapter info
  * @cinfo	: Old format adapter info to support mimd_t apps
  */
@@ -878,10 +873,9 @@ hinfo_to_cinfo(mraid_hba_info_t *hinfo, mcontroller_t *cinfo)
 }
 
 
-/*
- * mraid_mm_register_adp - Registration routine for low level drvrs
- *
- * @adp	: Adapter objejct
+/**
+ * mraid_mm_register_adp - Registration routine for low level drivers
+ * @lld_adp	: Adapter objejct
  */
 int
 mraid_mm_register_adp(mraid_mmadp_t *lld_adp)
@@ -1007,15 +1001,14 @@ memalloc_error:
 
 /**
  * mraid_mm_adapter_app_handle - return the application handle for this adapter
+ * @unique_id	: adapter unique identifier
  *
- * For the given driver data, locate the adadpter in our global list and
+ * For the given driver data, locate the adapter in our global list and
  * return the corresponding handle, which is also used by applications to
  * uniquely identify an adapter.
  *
- * @param unique_id : adapter unique identifier
- *
- * @return adapter handle if found in the list
- * @return 0 if adapter could not be located, should never happen though
+ * Return adapter handle if found in the list.
+ * Return 0 if adapter could not be located, should never happen though.
  */
 uint32_t
 mraid_mm_adapter_app_handle(uint32_t unique_id)
@@ -1040,7 +1033,6 @@ mraid_mm_adapter_app_handle(uint32_t unique_id)
 
 /**
  * mraid_mm_setup_dma_pools - Set up dma buffer pools per adapter
- *
  * @adp	: Adapter softstate
  *
  * We maintain a pool of dma buffers per each adapter. Each pool has one
@@ -1093,11 +1085,11 @@ dma_pool_setup_error:
 }
 
 
-/*
+/**
  * mraid_mm_unregister_adp - Unregister routine for low level drivers
- *				  Assume no outstanding ioctls to llds.
- *
  * @unique_id	: UID of the adpater
+ *
+ * Assumes no outstanding ioctls to llds.
  */
 int
 mraid_mm_unregister_adp(uint32_t unique_id)
@@ -1131,7 +1123,6 @@ mraid_mm_unregister_adp(uint32_t unique_id)
 
 /**
  * mraid_mm_free_adp_resources - Free adapter softstate
- *
  * @adp	: Adapter softstate
  */
 static void
@@ -1162,7 +1153,6 @@ mraid_mm_free_adp_resources(mraid_mmadp_t *adp)
 
 /**
  * mraid_mm_teardown_dma_pools - Free all per adapter dma buffers
- *
  * @adp	: Adapter softstate
  */
 static void
@@ -1190,7 +1180,7 @@ mraid_mm_teardown_dma_pools(mraid_mmadp_t *adp)
 }
 
 /**
- * mraid_mm_init	: Module entry point
+ * mraid_mm_init	- Module entry point
  */
 static int __init
 mraid_mm_init(void)
@@ -1214,10 +1204,13 @@ mraid_mm_init(void)
 }
 
 
+#ifdef CONFIG_COMPAT
 /**
- * mraid_mm_compat_ioctl	: 32bit to 64bit ioctl conversion routine
+ * mraid_mm_compat_ioctl	- 32bit to 64bit ioctl conversion routine
+ * @filep	: file operations pointer (ignored)
+ * @cmd		: ioctl command
+ * @arg		: user ioctl packet
  */
-#ifdef CONFIG_COMPAT
 static long
 mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
 		      unsigned long arg)
@@ -1231,7 +1224,7 @@ mraid_mm_compat_ioctl(struct file *filep, unsigned int cmd,
 #endif
 
 /**
- * mraid_mm_exit	: Module exit point
+ * mraid_mm_exit	- Module exit point
  */
 static void __exit
 mraid_mm_exit(void)
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index b5bdd0d7a8b..15e24fcc84f 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -2913,7 +2913,7 @@ megasas_mgmt_compat_ioctl(struct file *file, unsigned int cmd,
 /*
  * File operations structure for management interface
  */
-static struct file_operations megasas_mgmt_fops = {
+static const struct file_operations megasas_mgmt_fops = {
 	.owner = THIS_MODULE,
 	.open = megasas_mgmt_open,
 	.release = megasas_mgmt_release,
diff --git a/drivers/scsi/megaraid/megaraid_sas.h b/drivers/scsi/megaraid/megaraid_sas.h
index 55eddcf8eb1..cacb3ad9252 100644
--- a/drivers/scsi/megaraid/megaraid_sas.h
+++ b/drivers/scsi/megaraid/megaraid_sas.h
@@ -15,7 +15,7 @@
 #ifndef LSI_MEGARAID_SAS_H
 #define LSI_MEGARAID_SAS_H
 
-/**
+/*
  * MegaRAID SAS Driver meta data
  */
 #define MEGASAS_VERSION				"00.00.03.05"
@@ -40,7 +40,7 @@
  * "message frames"
  */
 
-/**
+/*
  * FW posts its state in upper 4 bits of outbound_msg_0 register
  */
 #define MFI_STATE_MASK				0xF0000000
@@ -58,7 +58,7 @@
 
 #define MEGAMFI_FRAME_SIZE			64
 
-/**
+/*
  * During FW init, clear pending cmds & reset state using inbound_msg_0
  *
  * ABORT	: Abort all pending cmds
@@ -78,7 +78,7 @@
 						MFI_INIT_MFIMODE| \
 						MFI_INIT_ABORT
 
-/**
+/*
  * MFI frame flags
  */
 #define MFI_FRAME_POST_IN_REPLY_QUEUE		0x0000
@@ -92,12 +92,12 @@
 #define MFI_FRAME_DIR_READ			0x0010
 #define MFI_FRAME_DIR_BOTH			0x0018
 
-/**
+/*
  * Definition for cmd_status
  */
 #define MFI_CMD_STATUS_POLL_MODE		0xFF
 
-/**
+/*
  * MFI command opcodes
  */
 #define MFI_CMD_INIT				0x00
@@ -128,7 +128,7 @@
 #define MR_DCMD_CLUSTER_RESET_ALL		0x08010100
 #define MR_DCMD_CLUSTER_RESET_LD		0x08010200
 
-/**
+/*
  * MFI command completion codes
  */
 enum MFI_STAT {
diff --git a/drivers/scsi/osst.c b/drivers/scsi/osst.c
index bd6bbf61adb..9668b73872c 100644
--- a/drivers/scsi/osst.c
+++ b/drivers/scsi/osst.c
@@ -5522,7 +5522,7 @@ __setup("osst=", osst_setup);
 
 #endif
 
-static struct file_operations osst_fops = {
+static const struct file_operations osst_fops = {
 	.owner =        THIS_MODULE,
 	.read =         osst_read,
 	.write =        osst_write,
diff --git a/drivers/scsi/pcmcia/nsp_cs.h b/drivers/scsi/pcmcia/nsp_cs.h
index 625ca97da52..9102cbdf135 100644
--- a/drivers/scsi/pcmcia/nsp_cs.h
+++ b/drivers/scsi/pcmcia/nsp_cs.h
@@ -290,7 +290,6 @@ typedef struct _nsp_hw_data {
 #endif
 } nsp_hw_data;
 
-
 /****************************************************************************
  *
  */
@@ -302,22 +301,13 @@ static int        nsp_cs_config (struct pcmcia_device *link);
 
 /* Linux SCSI subsystem specific functions */
 static struct Scsi_Host *nsp_detect     (struct scsi_host_template *sht);
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0))
-static        int        nsp_detect_old (struct scsi_host_template *sht);
-static        int        nsp_release_old(struct Scsi_Host *shpnt);
-#endif
 static const  char      *nsp_info       (struct Scsi_Host *shpnt);
 static        int        nsp_proc_info  (
-#if (LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
 	                                 struct Scsi_Host *host,
-#endif
 					 char   *buffer,
 					 char  **start,
 					 off_t   offset,
 					 int     length,
-#if !(LINUX_VERSION_CODE > KERNEL_VERSION(2,5,73))
-					 int     hostno,
-#endif
 					 int     inout);
 static int nsp_queuecommand(struct scsi_cmnd *SCpnt,
 			    void (* done)(struct scsi_cmnd *SCpnt));
@@ -356,7 +346,6 @@ static struct Scsi_Host *nsp_detect(struct scsi_host_template *sht);
 static int  __init nsp_cs_init(void);
 static void __exit nsp_cs_exit(void);
 
-
 /* Debug */
 #ifdef NSP_DEBUG
 static void show_command (struct scsi_cmnd *SCpnt);
@@ -401,7 +390,6 @@ enum _burst_mode {
 	BURST_MEM32 = 2,
 };
 
-
 /**************************************************************************
  * SCSI messaage
  */
@@ -413,62 +401,8 @@ enum _burst_mode {
 
 #define MSG_EXT_SDTR         0x01
 
-
-/**************************************************************************
- * Compatibility functions
- */
-
-/* for Kernel 2.4 */
-#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
-#  define scsi_register_host(template)   scsi_register_module(MODULE_SCSI_HA, template)
-#  define scsi_unregister_host(template) scsi_unregister_module(MODULE_SCSI_HA, template)
-#  define scsi_host_put(host)            scsi_unregister(host)
-
-typedef void irqreturn_t;
-#  define IRQ_NONE      /* */
-#  define IRQ_HANDLED   /* */
-#  define IRQ_RETVAL(x) /* */
-
-/* This is ad-hoc version of scsi_host_get_next() */
-static inline struct Scsi_Host *scsi_host_get_next(struct Scsi_Host *host)
-{
-	if (host == NULL) {
-		return scsi_hostlist;
-	} else {
-		return host->next;
-	}
-}
-
-/* This is ad-hoc version of scsi_host_hn_get() */
-static inline struct Scsi_Host *scsi_host_hn_get(unsigned short hostno)
-{
-	struct Scsi_Host *host;
-
-	for (host = scsi_host_get_next(NULL); host != NULL;
-	     host = scsi_host_get_next(host)) {
-		if (host->host_no == hostno) {
-			break;
-		}
-	}
-
-	return host;
-}
-
-static void cs_error(struct pcmcia_device *handle, int func, int ret)
-{
-	error_info_t err = { func, ret };
-	pcmcia_report_error(handle, &err);
-}
-
-/* scatter-gather table */
-#  define BUFFER_ADDR (SCpnt->SCp.buffer->address)
-#endif
-
-/* for Kernel 2.6 */
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
 /* scatter-gather table */
 #  define BUFFER_ADDR ((char *)((unsigned int)(SCpnt->SCp.buffer->page) + SCpnt->SCp.buffer->offset))
-#endif
 
 #endif  /*__nsp_cs__*/
 /* end */
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 7b18a6c7b7e..8081b637d97 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -140,6 +140,8 @@ qla2x00_sysfs_write_nvram(struct kobject *kobj, char *buf, loff_t off,
 	ha->isp_ops.write_nvram(ha, (uint8_t *)buf, ha->nvram_base, count);
 	spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
+	set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+
 	return (count);
 }
 
@@ -653,6 +655,43 @@ qla2x00_beacon_store(struct class_device *cdev, const char *buf,
 	return count;
 }
 
+static ssize_t
+qla2x00_optrom_bios_version_show(struct class_device *cdev, char *buf)
+{
+	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->bios_revision[1],
+	    ha->bios_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_efi_version_show(struct class_device *cdev, char *buf)
+{
+	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->efi_revision[1],
+	    ha->efi_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_fcode_version_show(struct class_device *cdev, char *buf)
+{
+	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+	return snprintf(buf, PAGE_SIZE, "%d.%02d\n", ha->fcode_revision[1],
+	    ha->fcode_revision[0]);
+}
+
+static ssize_t
+qla2x00_optrom_fw_version_show(struct class_device *cdev, char *buf)
+{
+	scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+
+	return snprintf(buf, PAGE_SIZE, "%d.%02d.%02d %d\n",
+	    ha->fw_revision[0], ha->fw_revision[1], ha->fw_revision[2],
+	    ha->fw_revision[3]);
+}
+
 static CLASS_DEVICE_ATTR(driver_version, S_IRUGO, qla2x00_drvr_version_show,
 	NULL);
 static CLASS_DEVICE_ATTR(fw_version, S_IRUGO, qla2x00_fw_version_show, NULL);
@@ -669,6 +708,14 @@ static CLASS_DEVICE_ATTR(zio_timer, S_IRUGO | S_IWUSR, qla2x00_zio_timer_show,
     qla2x00_zio_timer_store);
 static CLASS_DEVICE_ATTR(beacon, S_IRUGO | S_IWUSR, qla2x00_beacon_show,
     qla2x00_beacon_store);
+static CLASS_DEVICE_ATTR(optrom_bios_version, S_IRUGO,
+    qla2x00_optrom_bios_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_efi_version, S_IRUGO,
+    qla2x00_optrom_efi_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_fcode_version, S_IRUGO,
+    qla2x00_optrom_fcode_version_show, NULL);
+static CLASS_DEVICE_ATTR(optrom_fw_version, S_IRUGO,
+    qla2x00_optrom_fw_version_show, NULL);
 
 struct class_device_attribute *qla2x00_host_attrs[] = {
 	&class_device_attr_driver_version,
@@ -683,6 +730,10 @@ struct class_device_attribute *qla2x00_host_attrs[] = {
 	&class_device_attr_zio,
 	&class_device_attr_zio_timer,
 	&class_device_attr_beacon,
+	&class_device_attr_optrom_bios_version,
+	&class_device_attr_optrom_efi_version,
+	&class_device_attr_optrom_fcode_version,
+	&class_device_attr_optrom_fw_version,
 	NULL,
 };
 
@@ -836,21 +887,24 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 	link_stat_t stat_buf;
 	struct fc_host_statistics *pfc_host_stat;
 
+	rval = QLA_FUNCTION_FAILED;
 	pfc_host_stat = &ha->fc_host_stat;
 	memset(pfc_host_stat, -1, sizeof(struct fc_host_statistics));
 
 	if (IS_QLA24XX(ha) || IS_QLA54XX(ha)) {
 		rval = qla24xx_get_isp_stats(ha, (uint32_t *)&stat_buf,
 		    sizeof(stat_buf) / 4, mb_stat);
-	} else {
+	} else if (atomic_read(&ha->loop_state) == LOOP_READY &&
+		    !test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) &&
+		    !test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) &&
+		    !ha->dpc_active) {
+		/* Must be in a 'READY' state for statistics retrieval. */
 		rval = qla2x00_get_link_status(ha, ha->loop_id, &stat_buf,
 		    mb_stat);
 	}
-	if (rval != 0) {
-		qla_printk(KERN_WARNING, ha,
-		    "Unable to retrieve host statistics (%d).\n", mb_stat[0]);
-		return pfc_host_stat;
-	}
+
+	if (rval != QLA_SUCCESS)
+		goto done;
 
 	pfc_host_stat->link_failure_count = stat_buf.link_fail_cnt;
 	pfc_host_stat->loss_of_sync_count = stat_buf.loss_sync_cnt;
@@ -858,7 +912,7 @@ qla2x00_get_fc_host_stats(struct Scsi_Host *shost)
 	pfc_host_stat->prim_seq_protocol_err_count = stat_buf.prim_seq_err_cnt;
 	pfc_host_stat->invalid_tx_word_count = stat_buf.inval_xmit_word_cnt;
 	pfc_host_stat->invalid_crc_count = stat_buf.inval_crc_cnt;
-
+done:
 	return pfc_host_stat;
 }
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 2c10130d9e0..05f4f2a378e 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2045,6 +2045,29 @@ struct isp_operations {
 		uint32_t, uint32_t);
 	int (*write_optrom) (struct scsi_qla_host *, uint8_t *, uint32_t,
 		uint32_t);
+
+	int (*get_flash_version) (struct scsi_qla_host *, void *);
+};
+
+/* MSI-X Support *************************************************************/
+
+#define QLA_MSIX_CHIP_REV_24XX	3
+#define QLA_MSIX_FW_MODE(m)	(((m) & (BIT_7|BIT_8|BIT_9)) >> 7)
+#define QLA_MSIX_FW_MODE_1(m)	(QLA_MSIX_FW_MODE(m) == 1)
+
+#define QLA_MSIX_DEFAULT	0x00
+#define QLA_MSIX_RSP_Q		0x01
+
+#define QLA_MSIX_ENTRIES	2
+#define QLA_MIDX_DEFAULT	0
+#define QLA_MIDX_RSP_Q		1
+
+struct scsi_qla_host;
+
+struct qla_msix_entry {
+	int have_irq;
+	uint16_t msix_vector;
+	uint16_t msix_entry;
 };
 
 /*
@@ -2077,6 +2100,7 @@ typedef struct scsi_qla_host {
 		uint32_t	enable_lip_full_login	:1;
 		uint32_t	enable_target_reset	:1;
 		uint32_t	enable_led_scheme	:1;
+		uint32_t	inta_enabled		:1;
 		uint32_t	msi_enabled		:1;
 		uint32_t	msix_enabled		:1;
 		uint32_t	disable_serdes		:1;
@@ -2316,8 +2340,6 @@ typedef struct scsi_qla_host {
 #define MBX_INTR_WAIT	2
 #define MBX_UPDATE_FLASH_ACTIVE	3
 
-	spinlock_t	mbx_reg_lock;   /* Mbx Cmd Register Lock */
-
 	struct semaphore mbx_cmd_sem;	/* Serialialize mbx access */
 	struct semaphore mbx_intr_sem;  /* Used for completion notification */
 
@@ -2358,6 +2380,7 @@ typedef struct scsi_qla_host {
 
 	uint8_t		host_str[16];
 	uint32_t	pci_attr;
+	uint16_t	chip_revision;
 
 	uint16_t	product_id[4];
 
@@ -2379,6 +2402,15 @@ typedef struct scsi_qla_host {
 #define QLA_SREADING	1
 #define QLA_SWRITING	2
 
+        /* PCI expansion ROM image information. */
+#define ROM_CODE_TYPE_BIOS	0
+#define ROM_CODE_TYPE_FCODE	1
+#define ROM_CODE_TYPE_EFI	3
+	uint8_t		bios_revision[2];
+	uint8_t		efi_revision[2];
+	uint8_t		fcode_revision[16];
+	uint32_t	fw_revision[4];
+
 	/* Needed for BEACON */
 	uint16_t	beacon_blink_led;
 	uint8_t		beacon_color_state;
@@ -2391,6 +2423,8 @@ typedef struct scsi_qla_host {
 	uint16_t	zio_mode;
 	uint16_t	zio_timer;
 	struct fc_host_statistics fc_host_stat;
+
+	struct qla_msix_entry msix_entries[QLA_MSIX_ENTRIES];
 } scsi_qla_host_t;
 
 
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index e4dd12f4b80..74544ae4b0e 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -224,6 +224,9 @@ extern irqreturn_t qla24xx_intr_handler(int, void *);
 extern void qla2x00_process_response_queue(struct scsi_qla_host *);
 extern void qla24xx_process_response_queue(struct scsi_qla_host *);
 
+extern int qla2x00_request_irqs(scsi_qla_host_t *);
+extern void qla2x00_free_irqs(scsi_qla_host_t *);
+
 /*
  * Global Function Prototypes in qla_sup.c source file.
  */
@@ -259,6 +262,9 @@ extern uint8_t *qla24xx_read_optrom_data(struct scsi_qla_host *, uint8_t *,
 extern int qla24xx_write_optrom_data(struct scsi_qla_host *, uint8_t *,
     uint32_t, uint32_t);
 
+extern int qla2x00_get_flash_version(scsi_qla_host_t *, void *);
+extern int qla24xx_get_flash_version(scsi_qla_host_t *, void *);
+
 /*
  * Global Function Prototypes in qla_dbg.c source file.
  */
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index b3dac26ddba..98c01cd5e1a 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -65,7 +65,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 	ha->flags.reset_active = 0;
 	atomic_set(&ha->loop_down_timer, LOOP_DOWN_TIME);
 	atomic_set(&ha->loop_state, LOOP_DOWN);
-	ha->device_flags = 0;
+	ha->device_flags = DFLG_NO_CABLE;
 	ha->dpc_flags = 0;
 	ha->flags.management_server_logged_in = 0;
 	ha->marker_needed = 0;
@@ -77,16 +77,23 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
 	qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
 	rval = ha->isp_ops.pci_config(ha);
 	if (rval) {
-		DEBUG2(printk("scsi(%ld): Unable to configure PCI space=n",
+		DEBUG2(printk("scsi(%ld): Unable to configure PCI space.\n",
 		    ha->host_no));
 		return (rval);
 	}
 
 	ha->isp_ops.reset_chip(ha);
 
+	ha->isp_ops.get_flash_version(ha, ha->request_ring);
+
 	qla_printk(KERN_INFO, ha, "Configure NVRAM parameters...\n");
 
-	ha->isp_ops.nvram_config(ha);
+	rval = ha->isp_ops.nvram_config(ha);
+	if (rval) {
+		DEBUG2(printk("scsi(%ld): Unable to verify NVRAM data.\n",
+		    ha->host_no));
+		return rval;
+	}
 
 	if (ha->flags.disable_serdes) {
 		/* Mask HBA via NVRAM settings? */
@@ -293,6 +300,8 @@ qla24xx_pci_config(scsi_qla_host_t *ha)
 	d &= ~PCI_ROM_ADDRESS_ENABLE;
 	pci_write_config_dword(ha->pdev, PCI_ROM_ADDRESS, d);
 
+	pci_read_config_word(ha->pdev, PCI_REVISION_ID, &ha->chip_revision);
+
 	/* Get PCI bus information. */
 	spin_lock_irqsave(&ha->hardware_lock, flags);
 	ha->pci_attr = RD_REG_DWORD(&reg->ctrl_status);
@@ -1351,6 +1360,39 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	return(rval);
 }
 
+static inline void
+qla2x00_set_model_info(scsi_qla_host_t *ha, uint8_t *model, size_t len, char *def)
+{
+	char *st, *en;
+	uint16_t index;
+
+	if (memcmp(model, BINZERO, len) != 0) {
+		strncpy(ha->model_number, model, len);
+		st = en = ha->model_number;
+		en += len - 1;
+		while (en > st) {
+			if (*en != 0x20 && *en != 0x00)
+				break;
+			*en-- = '\0';
+		}
+
+		index = (ha->pdev->subsystem_device & 0xff);
+		if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
+		    index < QLA_MODEL_NAMES)
+			ha->model_desc = qla2x00_model_name[index * 2 + 1];
+	} else {
+		index = (ha->pdev->subsystem_device & 0xff);
+		if (ha->pdev->subsystem_vendor == PCI_VENDOR_ID_QLOGIC &&
+		    index < QLA_MODEL_NAMES) {
+			strcpy(ha->model_number,
+			    qla2x00_model_name[index * 2]);
+			ha->model_desc = qla2x00_model_name[index * 2 + 1];
+		} else {
+			strcpy(ha->model_number, def);
+		}
+	}
+}
+
 /*
 * NVRAM configuration for ISP 2xxx
 *
@@ -1367,7 +1409,6 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 int
 qla2x00_nvram_config(scsi_qla_host_t *ha)
 {
-	int             rval;
 	uint8_t         chksum = 0;
 	uint16_t        cnt;
 	uint8_t         *dptr1, *dptr2;
@@ -1376,8 +1417,6 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 	uint8_t         *ptr = (uint8_t *)ha->request_ring;
 	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
 
-	rval = QLA_SUCCESS;
-
 	/* Determine NVRAM starting address. */
 	ha->nvram_size = sizeof(nvram_t);
 	ha->nvram_base = 0;
@@ -1401,55 +1440,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 		qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
 		    "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
 		    nv->nvram_version);
-		qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
-		    "invalid -- WWPN) defaults.\n");
-
-		/*
-		 * Set default initialization control block.
-		 */
-		memset(nv, 0, ha->nvram_size);
-		nv->parameter_block_version = ICB_VERSION;
-
-		if (IS_QLA23XX(ha)) {
-			nv->firmware_options[0] = BIT_2 | BIT_1;
-			nv->firmware_options[1] = BIT_7 | BIT_5;
-			nv->add_firmware_options[0] = BIT_5;
-			nv->add_firmware_options[1] = BIT_5 | BIT_4;
-			nv->frame_payload_size = __constant_cpu_to_le16(2048);
-			nv->special_options[1] = BIT_7;
-		} else if (IS_QLA2200(ha)) {
-			nv->firmware_options[0] = BIT_2 | BIT_1;
-			nv->firmware_options[1] = BIT_7 | BIT_5;
-			nv->add_firmware_options[0] = BIT_5;
-			nv->add_firmware_options[1] = BIT_5 | BIT_4;
-			nv->frame_payload_size = __constant_cpu_to_le16(1024);
-		} else if (IS_QLA2100(ha)) {
-			nv->firmware_options[0] = BIT_3 | BIT_1;
-			nv->firmware_options[1] = BIT_5;
-			nv->frame_payload_size = __constant_cpu_to_le16(1024);
-		}
-
-		nv->max_iocb_allocation = __constant_cpu_to_le16(256);
-		nv->execution_throttle = __constant_cpu_to_le16(16);
-		nv->retry_count = 8;
-		nv->retry_delay = 1;
-
-		nv->port_name[0] = 33;
-		nv->port_name[3] = 224;
-		nv->port_name[4] = 139;
-
-		nv->login_timeout = 4;
-
-		/*
-		 * Set default host adapter parameters
-		 */
-		nv->host_p[1] = BIT_2;
-		nv->reset_delay = 5;
-		nv->port_down_retry_count = 8;
-		nv->max_luns_per_target = __constant_cpu_to_le16(8);
-		nv->link_down_timeout = 60;
-
-		rval = 1;
+		return QLA_FUNCTION_FAILED;
 	}
 
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
@@ -1489,33 +1480,8 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 				strcpy(ha->model_number, "QLA2300");
 			}
 		} else {
-			if (rval == 0 &&
-			    memcmp(nv->model_number, BINZERO,
-				    sizeof(nv->model_number)) != 0) {
-				char *st, *en;
-
-				strncpy(ha->model_number, nv->model_number,
-				    sizeof(nv->model_number));
-				st = en = ha->model_number;
-				en += sizeof(nv->model_number) - 1;
-				while (en > st) {
-					if (*en != 0x20 && *en != 0x00)
-						break;
-					*en-- = '\0';
-				}
-			} else {
-				uint16_t        index;
-
-				index = (ha->pdev->subsystem_device & 0xff);
-				if (index < QLA_MODEL_NAMES) {
-					strcpy(ha->model_number,
-					    qla2x00_model_name[index * 2]);
-					ha->model_desc =
-					    qla2x00_model_name[index * 2 + 1];
-				} else {
-					strcpy(ha->model_number, "QLA23xx");
-				}
-			}
+			qla2x00_set_model_info(ha, nv->model_number,
+			    sizeof(nv->model_number), "QLA23xx");
 		}
 	} else if (IS_QLA2200(ha)) {
 		nv->firmware_options[0] |= BIT_2;
@@ -1687,11 +1653,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
 		}
 	}
 
-	if (rval) {
-		DEBUG2_3(printk(KERN_WARNING
-		    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
-	}
-	return (rval);
+	return QLA_SUCCESS;
 }
 
 static void
@@ -3107,7 +3069,11 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
 		}
 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-		ha->isp_ops.nvram_config(ha);
+		ha->isp_ops.get_flash_version(ha, ha->request_ring);
+
+		rval = ha->isp_ops.nvram_config(ha);
+		if (rval)
+			goto isp_abort_retry;
 
 		if (!qla2x00_restart_isp(ha)) {
 			clear_bit(RESET_MARKER_NEEDED, &ha->dpc_flags);
@@ -3137,6 +3103,7 @@ qla2x00_abort_isp(scsi_qla_host_t *ha)
 				}
 			}
 		} else {	/* failed the ISP abort */
+isp_abort_retry:
 			ha->flags.online = 1;
 			if (test_bit(ISP_ABORT_RETRY, &ha->dpc_flags)) {
 				if (ha->isp_abort_cnt == 0) {
@@ -3326,7 +3293,6 @@ qla24xx_reset_adapter(scsi_qla_host_t *ha)
 int
 qla24xx_nvram_config(scsi_qla_host_t *ha)
 {
-	int   rval;
 	struct init_cb_24xx *icb;
 	struct nvram_24xx *nv;
 	uint32_t *dptr;
@@ -3334,7 +3300,6 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
 	uint32_t chksum;
 	uint16_t cnt;
 
-	rval = QLA_SUCCESS;
 	icb = (struct init_cb_24xx *)ha->init_cb;
 	nv = (struct nvram_24xx *)ha->request_ring;
 
@@ -3367,51 +3332,7 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
 		qla_printk(KERN_WARNING, ha, "Inconsistent NVRAM detected: "
 		    "checksum=0x%x id=%c version=0x%x.\n", chksum, nv->id[0],
 		    le16_to_cpu(nv->nvram_version));
-		qla_printk(KERN_WARNING, ha, "Falling back to functioning (yet "
-		    "invalid -- WWPN) defaults.\n");
-
-		/*
-		 * Set default initialization control block.
-		 */
-		memset(nv, 0, ha->nvram_size);
-		nv->nvram_version = __constant_cpu_to_le16(ICB_VERSION);
-		nv->version = __constant_cpu_to_le16(ICB_VERSION);
-		nv->frame_payload_size = __constant_cpu_to_le16(2048);
-		nv->execution_throttle = __constant_cpu_to_le16(0xFFFF);
-		nv->exchange_count = __constant_cpu_to_le16(0);
-		nv->hard_address = __constant_cpu_to_le16(124);
-		nv->port_name[0] = 0x21;
-		nv->port_name[1] = 0x00 + PCI_FUNC(ha->pdev->devfn);
-		nv->port_name[2] = 0x00;
-		nv->port_name[3] = 0xe0;
-		nv->port_name[4] = 0x8b;
-		nv->port_name[5] = 0x1c;
-		nv->port_name[6] = 0x55;
-		nv->port_name[7] = 0x86;
-		nv->node_name[0] = 0x20;
-		nv->node_name[1] = 0x00;
-		nv->node_name[2] = 0x00;
-		nv->node_name[3] = 0xe0;
-		nv->node_name[4] = 0x8b;
-		nv->node_name[5] = 0x1c;
-		nv->node_name[6] = 0x55;
-		nv->node_name[7] = 0x86;
-		nv->login_retry_count = __constant_cpu_to_le16(8);
-		nv->interrupt_delay_timer = __constant_cpu_to_le16(0);
-		nv->login_timeout = __constant_cpu_to_le16(0);
-		nv->firmware_options_1 =
-		    __constant_cpu_to_le32(BIT_14|BIT_13|BIT_2|BIT_1);
-		nv->firmware_options_2 = __constant_cpu_to_le32(2 << 4);
-		nv->firmware_options_2 |= __constant_cpu_to_le32(BIT_12);
-		nv->firmware_options_3 = __constant_cpu_to_le32(2 << 13);
-		nv->host_p = __constant_cpu_to_le32(BIT_11|BIT_10);
-		nv->efi_parameters = __constant_cpu_to_le32(0);
-		nv->reset_delay = 5;
-		nv->max_luns_per_target = __constant_cpu_to_le16(128);
-		nv->port_down_retry_count = __constant_cpu_to_le16(30);
-		nv->link_down_timeout = __constant_cpu_to_le16(30);
-
-		rval = 1;
+		return QLA_FUNCTION_FAILED;
 	}
 
 	/* Reset Initialization control block */
@@ -3438,25 +3359,8 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
 	/*
 	 * Setup driver NVRAM options.
 	 */
-	if (memcmp(nv->model_name, BINZERO, sizeof(nv->model_name)) != 0) {
-		char *st, *en;
-		uint16_t index;
-
-		strncpy(ha->model_number, nv->model_name,
-		    sizeof(nv->model_name));
-		st = en = ha->model_number;
-		en += sizeof(nv->model_name) - 1;
-		while (en > st) {
-			if (*en != 0x20 && *en != 0x00)
-				break;
-			*en-- = '\0';
-		}
-
-		index = (ha->pdev->subsystem_device & 0xff);
-		if (index < QLA_MODEL_NAMES)
-			ha->model_desc = qla2x00_model_name[index * 2 + 1];
-	} else
-		strcpy(ha->model_number, "QLA2462");
+	qla2x00_set_model_info(ha, nv->model_name, sizeof(nv->model_name),
+	    "QLA2462");
 
 	/* Use alternate WWN? */
 	if (nv->host_p & __constant_cpu_to_le32(BIT_15)) {
@@ -3575,11 +3479,7 @@ qla24xx_nvram_config(scsi_qla_host_t *ha)
 		ha->flags.process_response_queue = 1;
 	}
 
-	if (rval) {
-		DEBUG2_3(printk(KERN_WARNING
-		    "scsi(%ld): NVRAM configuration failed!\n", ha->host_no));
-	}
-	return (rval);
+	return QLA_SUCCESS;
 }
 
 static int
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 39fd17b05be..d4885616cd3 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -86,12 +86,8 @@ qla2100_intr_handler(int irq, void *dev_id)
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-		spin_lock_irqsave(&ha->mbx_reg_lock, flags);
-
 		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 		up(&ha->mbx_intr_sem);
-
-		spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
 	}
 
 	return (IRQ_HANDLED);
@@ -199,12 +195,8 @@ qla2300_intr_handler(int irq, void *dev_id)
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-		spin_lock_irqsave(&ha->mbx_reg_lock, flags);
-
 		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 		up(&ha->mbx_intr_sem);
-
-		spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
 	}
 
 	return (IRQ_HANDLED);
@@ -654,10 +646,8 @@ qla2x00_ramp_up_queue_depth(scsi_qla_host_t *ha, srb_t *sp)
 	    fcport->last_queue_full + ql2xqfullrampup * HZ))
 		return;
 
-	spin_unlock_irq(&ha->hardware_lock);
 	starget_for_each_device(sdev->sdev_target, fcport,
 	    qla2x00_adjust_sdev_qdepth_up);
-	spin_lock_irq(&ha->hardware_lock);
 }
 
 /**
@@ -927,10 +917,8 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 
 			/* Adjust queue depth for all luns on the port. */
 			fcport->last_queue_full = jiffies;
-			spin_unlock_irq(&ha->hardware_lock);
 			starget_for_each_device(cp->device->sdev_target,
 			    fcport, qla2x00_adjust_sdev_qdepth_down);
-			spin_lock_irq(&ha->hardware_lock);
 			break;
 		}
 		if (lscsi_status != SS_CHECK_CONDITION)
@@ -995,6 +983,22 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 		if (lscsi_status != 0) {
 			cp->result = DID_OK << 16 | lscsi_status;
 
+			if (lscsi_status == SAM_STAT_TASK_SET_FULL) {
+				DEBUG2(printk(KERN_INFO
+				    "scsi(%ld): QUEUE FULL status detected "
+				    "0x%x-0x%x.\n", ha->host_no, comp_status,
+				    scsi_status));
+
+				/*
+				 * Adjust queue depth for all luns on the
+				 * port.
+				 */
+				fcport->last_queue_full = jiffies;
+				starget_for_each_device(
+				    cp->device->sdev_target, fcport,
+				    qla2x00_adjust_sdev_qdepth_down);
+				break;
+			}
 			if (lscsi_status != SS_CHECK_CONDITION)
 				break;
 
@@ -1482,12 +1486,8 @@ qla24xx_intr_handler(int irq, void *dev_id)
 
 	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
 	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
-		spin_lock_irqsave(&ha->mbx_reg_lock, flags);
-
 		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
 		up(&ha->mbx_intr_sem);
-
-		spin_unlock_irqrestore(&ha->mbx_reg_lock, flags);
 	}
 
 	return IRQ_HANDLED;
@@ -1536,3 +1536,216 @@ qla24xx_ms_entry(scsi_qla_host_t *ha, struct ct_entry_24xx *pkt)
 	qla2x00_sp_compl(ha, sp);
 }
 
+static irqreturn_t
+qla24xx_msix_rsp_q(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*ha;
+	struct device_reg_24xx __iomem *reg;
+	unsigned long flags;
+
+	ha = dev_id;
+	reg = &ha->iobase->isp24;
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+
+	qla24xx_process_response_queue(ha);
+
+	WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
+	RD_REG_DWORD_RELAXED(&reg->hccr);
+
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	return IRQ_HANDLED;
+}
+
+static irqreturn_t
+qla24xx_msix_default(int irq, void *dev_id)
+{
+	scsi_qla_host_t	*ha;
+	struct device_reg_24xx __iomem *reg;
+	int		status;
+	unsigned long	flags;
+	unsigned long	iter;
+	uint32_t	stat;
+	uint32_t	hccr;
+	uint16_t	mb[4];
+
+	ha = dev_id;
+	reg = &ha->iobase->isp24;
+	status = 0;
+
+	spin_lock_irqsave(&ha->hardware_lock, flags);
+	for (iter = 50; iter--; ) {
+		stat = RD_REG_DWORD(&reg->host_status);
+		if (stat & HSRX_RISC_PAUSED) {
+			hccr = RD_REG_DWORD(&reg->hccr);
+
+			qla_printk(KERN_INFO, ha, "RISC paused -- HCCR=%x, "
+			    "Dumping firmware!\n", hccr);
+			ha->isp_ops.fw_dump(ha, 1);
+			set_bit(ISP_ABORT_NEEDED, &ha->dpc_flags);
+			break;
+		} else if ((stat & HSRX_RISC_INT) == 0)
+			break;
+
+		switch (stat & 0xff) {
+		case 0x1:
+		case 0x2:
+		case 0x10:
+		case 0x11:
+			qla24xx_mbx_completion(ha, MSW(stat));
+			status |= MBX_INTERRUPT;
+
+			break;
+		case 0x12:
+			mb[0] = MSW(stat);
+			mb[1] = RD_REG_WORD(&reg->mailbox1);
+			mb[2] = RD_REG_WORD(&reg->mailbox2);
+			mb[3] = RD_REG_WORD(&reg->mailbox3);
+			qla2x00_async_event(ha, mb);
+			break;
+		case 0x13:
+			qla24xx_process_response_queue(ha);
+			break;
+		default:
+			DEBUG2(printk("scsi(%ld): Unrecognized interrupt type "
+			    "(%d).\n",
+			    ha->host_no, stat & 0xff));
+			break;
+		}
+		WRT_REG_DWORD(&reg->hccr, HCCRX_CLR_RISC_INT);
+		RD_REG_DWORD_RELAXED(&reg->hccr);
+	}
+	spin_unlock_irqrestore(&ha->hardware_lock, flags);
+
+	if (test_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags) &&
+	    (status & MBX_INTERRUPT) && ha->flags.mbox_int) {
+		set_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+		up(&ha->mbx_intr_sem);
+	}
+
+	return IRQ_HANDLED;
+}
+
+/* Interrupt handling helpers. */
+
+struct qla_init_msix_entry {
+	uint16_t entry;
+	uint16_t index;
+	const char *name;
+	irqreturn_t (*handler)(int, void *);
+};
+
+static struct qla_init_msix_entry imsix_entries[QLA_MSIX_ENTRIES] = {
+	{ QLA_MSIX_DEFAULT, QLA_MIDX_DEFAULT,
+		"qla2xxx (default)", qla24xx_msix_default },
+
+	{ QLA_MSIX_RSP_Q, QLA_MIDX_RSP_Q,
+		"qla2xxx (rsp_q)", qla24xx_msix_rsp_q },
+};
+
+static void
+qla24xx_disable_msix(scsi_qla_host_t *ha)
+{
+	int i;
+	struct qla_msix_entry *qentry;
+
+	for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
+		qentry = &ha->msix_entries[imsix_entries[i].index];
+		if (qentry->have_irq)
+			free_irq(qentry->msix_vector, ha);
+	}
+	pci_disable_msix(ha->pdev);
+}
+
+static int
+qla24xx_enable_msix(scsi_qla_host_t *ha)
+{
+	int i, ret;
+	struct msix_entry entries[QLA_MSIX_ENTRIES];
+	struct qla_msix_entry *qentry;
+
+	for (i = 0; i < QLA_MSIX_ENTRIES; i++)
+		entries[i].entry = imsix_entries[i].entry;
+
+	ret = pci_enable_msix(ha->pdev, entries, ARRAY_SIZE(entries));
+	if (ret) {
+		qla_printk(KERN_WARNING, ha,
+		    "MSI-X: Failed to enable support -- %d/%d\n",
+		    QLA_MSIX_ENTRIES, ret);
+		goto msix_out;
+	}
+	ha->flags.msix_enabled = 1;
+
+	for (i = 0; i < QLA_MSIX_ENTRIES; i++) {
+		qentry = &ha->msix_entries[imsix_entries[i].index];
+		qentry->msix_vector = entries[i].vector;
+		qentry->msix_entry = entries[i].entry;
+		qentry->have_irq = 0;
+		ret = request_irq(qentry->msix_vector,
+		    imsix_entries[i].handler, 0, imsix_entries[i].name, ha);
+		if (ret) {
+			qla_printk(KERN_WARNING, ha,
+			    "MSI-X: Unable to register handler -- %x/%d.\n",
+			    imsix_entries[i].index, ret);
+			qla24xx_disable_msix(ha);
+			goto msix_out;
+		}
+		qentry->have_irq = 1;
+	}
+
+msix_out:
+	return ret;
+}
+
+int
+qla2x00_request_irqs(scsi_qla_host_t *ha)
+{
+	int ret;
+
+	/* If possible, enable MSI-X. */
+	if (!IS_QLA2432(ha))
+		goto skip_msix;
+
+        if (ha->chip_revision < QLA_MSIX_CHIP_REV_24XX ||
+	    !QLA_MSIX_FW_MODE_1(ha->fw_attributes)) {
+		DEBUG2(qla_printk(KERN_WARNING, ha,
+		    "MSI-X: Unsupported ISP2432 (0x%X, 0x%X).\n",
+		    ha->chip_revision, ha->fw_attributes));
+
+		goto skip_msix;
+	}
+
+	ret = qla24xx_enable_msix(ha);
+	if (!ret) {
+		DEBUG2(qla_printk(KERN_INFO, ha,
+		    "MSI-X: Enabled (0x%X, 0x%X).\n", ha->chip_revision,
+		    ha->fw_attributes));
+		return ret;
+	}
+	qla_printk(KERN_WARNING, ha,
+	    "MSI-X: Falling back-to INTa mode -- %d.\n", ret);
+skip_msix:
+	ret = request_irq(ha->pdev->irq, ha->isp_ops.intr_handler,
+	    IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
+	if (!ret) {
+		ha->flags.inta_enabled = 1;
+		ha->host->irq = ha->pdev->irq;
+	} else {
+		qla_printk(KERN_WARNING, ha,
+		    "Failed to reserve interrupt %d already in use.\n",
+		    ha->pdev->irq);
+	}
+
+	return ret;
+}
+
+void
+qla2x00_free_irqs(scsi_qla_host_t *ha)
+{
+
+	if (ha->flags.msix_enabled)
+		qla24xx_disable_msix(ha);
+	else if (ha->flags.inta_enabled)
+		free_irq(ha->host->irq, ha);
+}
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 077e5789bee..83376f6ac3d 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -55,7 +55,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 	uint16_t __iomem *optr;
 	uint32_t	cnt;
 	uint32_t	mboxes;
-	unsigned long	mbx_flags = 0;
 	unsigned long	wait_time;
 
 	rval = QLA_SUCCESS;
@@ -81,10 +80,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 	/* Save mailbox command for debug */
 	ha->mcp = mcp;
 
-	/* Try to get mailbox register access */
-	if (!abort_active)
-		spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
-
 	DEBUG11(printk("scsi(%ld): prepare to issue mbox cmd=0x%x.\n",
 	    ha->host_no, mcp->mb[0]));
 
@@ -161,9 +156,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
-		if (!abort_active)
-			spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
-
 		/* Wait for either the timer to expire
 		 * or the mbox completion interrupt
 		 */
@@ -184,8 +176,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 		else
 			WRT_REG_WORD(&reg->isp.hccr, HCCR_SET_HOST_INT);
 		spin_unlock_irqrestore(&ha->hardware_lock, flags);
-		if (!abort_active)
-			spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
 
 		wait_time = jiffies + mcp->tov * HZ; /* wait at most tov secs */
 		while (!ha->flags.mbox_int) {
@@ -201,9 +191,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 		} /* while */
 	}
 
-	if (!abort_active)
-		spin_lock_irqsave(&ha->mbx_reg_lock, mbx_flags);
-
 	/* Check whether we timed out */
 	if (ha->flags.mbox_int) {
 		uint16_t *iptr2;
@@ -256,9 +243,6 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
 		rval = QLA_FUNCTION_TIMEOUT;
 	}
 
-	if (!abort_active)
-		spin_unlock_irqrestore(&ha->mbx_reg_lock, mbx_flags);
-
 	ha->flags.mbox_busy = 0;
 
 	/* Clean up */
@@ -1713,7 +1697,7 @@ qla24xx_fabric_logout(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
 	lg->entry_count = 1;
 	lg->nport_handle = cpu_to_le16(loop_id);
 	lg->control_flags =
-	    __constant_cpu_to_le16(LCF_COMMAND_LOGO|LCF_EXPL_LOGO);
+	    __constant_cpu_to_le16(LCF_COMMAND_LOGO|LCF_IMPL_LOGO);
 	lg->port_id[0] = al_pa;
 	lg->port_id[1] = area;
 	lg->port_id[2] = domain;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index d6445ae841b..68f5d24b938 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1485,6 +1485,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	ha->isp_ops.fw_dump		= qla2100_fw_dump;
 	ha->isp_ops.read_optrom		= qla2x00_read_optrom_data;
 	ha->isp_ops.write_optrom	= qla2x00_write_optrom_data;
+	ha->isp_ops.get_flash_version	= qla2x00_get_flash_version;
 	if (IS_QLA2100(ha)) {
 		host->max_id = MAX_TARGETS_2100;
 		ha->mbx_count = MAILBOX_REGISTER_COUNT_2100;
@@ -1550,6 +1551,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 		ha->isp_ops.beacon_on = qla24xx_beacon_on;
 		ha->isp_ops.beacon_off = qla24xx_beacon_off;
 		ha->isp_ops.beacon_blink = qla24xx_beacon_blink;
+		ha->isp_ops.get_flash_version = qla24xx_get_flash_version;
 		ha->gid_list_info_size = 8;
 		ha->optrom_size = OPTROM_SIZE_24XX;
 	}
@@ -1564,14 +1566,6 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	INIT_LIST_HEAD(&ha->list);
 	INIT_LIST_HEAD(&ha->fcports);
 
-	/*
-	 * These locks are used to prevent more than one CPU
-	 * from modifying the queue at the same time. The
-	 * higher level "host_lock" will reduce most
-	 * contention for these locks.
-	 */
-	spin_lock_init(&ha->mbx_reg_lock);
-
 	qla2x00_config_dma_addressing(ha);
 	if (qla2x00_mem_alloc(ha)) {
 		qla_printk(KERN_WARNING, ha,
@@ -1615,15 +1609,9 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 	host->max_lun = MAX_LUNS;
 	host->transportt = qla2xxx_transport_template;
 
-	ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
-	    IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
-	if (ret) {
-		qla_printk(KERN_WARNING, ha,
-		    "Failed to reserve interrupt %d already in use.\n",
-		    pdev->irq);
+	ret = qla2x00_request_irqs(ha);
+	if (ret)
 		goto probe_failed;
-	}
-	host->irq = pdev->irq;
 
 	/* Initialized the timer */
 	qla2x00_start_timer(ha, qla2x00_timer, WATCH_INTERVAL);
@@ -1753,9 +1741,7 @@ qla2x00_free_device(scsi_qla_host_t *ha)
 
 	qla2x00_mem_free(ha);
 
-	/* Detach interrupts */
-	if (ha->host->irq)
-		free_irq(ha->host->irq, ha);
+	qla2x00_free_irqs(ha);
 
 	/* release io space registers  */
 	if (ha->iobase)
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index 15390ad8745..ff1dd4175a7 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -611,7 +611,6 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 					    flash_conf_to_access_addr(0x0339),
 					    (fdata & 0xff00) | ((fdata << 16) &
 					    0xff0000) | ((fdata >> 16) & 0xff));
-				fdata = (faddr & sec_mask) << 2;
 				ret = qla24xx_write_flash_dword(ha, conf_addr,
 				    (fdata & 0xff00) |((fdata << 16) &
 				    0xff0000) | ((fdata >> 16) & 0xff));
@@ -1383,6 +1382,29 @@ qla2x00_get_flash_manufacturer(scsi_qla_host_t *ha, uint8_t *man_id,
 	qla2x00_write_flash_byte(ha, 0x5555, 0xf0);
 }
 
+static void
+qla2x00_read_flash_data(scsi_qla_host_t *ha, uint8_t *tmp_buf, uint32_t saddr,
+        uint32_t length)
+{
+	struct device_reg_2xxx __iomem *reg = &ha->iobase->isp;
+	uint32_t midpoint, ilength;
+	uint8_t data;
+
+	midpoint = length / 2;
+
+	WRT_REG_WORD(&reg->nvram, 0);
+	RD_REG_WORD(&reg->nvram);
+	for (ilength = 0; ilength < length; saddr++, ilength++, tmp_buf++) {
+		if (ilength == midpoint) {
+			WRT_REG_WORD(&reg->nvram, NVR_SELECT);
+			RD_REG_WORD(&reg->nvram);
+		}
+		data = qla2x00_read_flash_byte(ha, saddr);
+		if (saddr % 100)
+			udelay(10);
+		*tmp_buf = data;
+	}
+}
 
 static inline void
 qla2x00_suspend_hba(struct scsi_qla_host *ha)
@@ -1722,3 +1744,327 @@ qla24xx_write_optrom_data(struct scsi_qla_host *ha, uint8_t *buf,
 
 	return rval;
 }
+
+/**
+ * qla2x00_get_fcode_version() - Determine an FCODE image's version.
+ * @ha: HA context
+ * @pcids: Pointer to the FCODE PCI data structure
+ *
+ * The process of retrieving the FCODE version information is at best
+ * described as interesting.
+ *
+ * Within the first 100h bytes of the image an ASCII string is present
+ * which contains several pieces of information including the FCODE
+ * version.  Unfortunately it seems the only reliable way to retrieve
+ * the version is by scanning for another sentinel within the string,
+ * the FCODE build date:
+ *
+ *	... 2.00.02 10/17/02 ...
+ *
+ * Returns QLA_SUCCESS on successful retrieval of version.
+ */
+static void
+qla2x00_get_fcode_version(scsi_qla_host_t *ha, uint32_t pcids)
+{
+	int ret = QLA_FUNCTION_FAILED;
+	uint32_t istart, iend, iter, vend;
+	uint8_t do_next, rbyte, *vbyte;
+
+	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+
+	/* Skip the PCI data structure. */
+	istart = pcids +
+	    ((qla2x00_read_flash_byte(ha, pcids + 0x0B) << 8) |
+		qla2x00_read_flash_byte(ha, pcids + 0x0A));
+	iend = istart + 0x100;
+	do {
+		/* Scan for the sentinel date string...eeewww. */
+		do_next = 0;
+		iter = istart;
+		while ((iter < iend) && !do_next) {
+			iter++;
+			if (qla2x00_read_flash_byte(ha, iter) == '/') {
+				if (qla2x00_read_flash_byte(ha, iter + 2) ==
+				    '/')
+					do_next++;
+				else if (qla2x00_read_flash_byte(ha,
+				    iter + 3) == '/')
+					do_next++;
+			}
+		}
+		if (!do_next)
+			break;
+
+		/* Backtrack to previous ' ' (space). */
+		do_next = 0;
+		while ((iter > istart) && !do_next) {
+			iter--;
+			if (qla2x00_read_flash_byte(ha, iter) == ' ')
+				do_next++;
+		}
+		if (!do_next)
+			break;
+
+		/*
+		 * Mark end of version tag, and find previous ' ' (space) or
+		 * string length (recent FCODE images -- major hack ahead!!!).
+		 */
+		vend = iter - 1;
+		do_next = 0;
+		while ((iter > istart) && !do_next) {
+			iter--;
+			rbyte = qla2x00_read_flash_byte(ha, iter);
+			if (rbyte == ' ' || rbyte == 0xd || rbyte == 0x10)
+				do_next++;
+		}
+		if (!do_next)
+			break;
+
+		/* Mark beginning of version tag, and copy data. */
+		iter++;
+		if ((vend - iter) &&
+		    ((vend - iter) < sizeof(ha->fcode_revision))) {
+			vbyte = ha->fcode_revision;
+			while (iter <= vend) {
+				*vbyte++ = qla2x00_read_flash_byte(ha, iter);
+				iter++;
+			}
+			ret = QLA_SUCCESS;
+		}
+	} while (0);
+
+	if (ret != QLA_SUCCESS)
+		memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+}
+
+int
+qla2x00_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
+{
+	int ret = QLA_SUCCESS;
+	uint8_t code_type, last_image;
+	uint32_t pcihdr, pcids;
+	uint8_t *dbyte;
+	uint16_t *dcode;
+
+	if (!ha->pio_address || !mbuf)
+		return QLA_FUNCTION_FAILED;
+
+	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
+	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
+	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+
+	qla2x00_flash_enable(ha);
+
+	/* Begin with first PCI expansion ROM header. */
+	pcihdr = 0;
+	last_image = 1;
+	do {
+		/* Verify PCI expansion ROM header. */
+		if (qla2x00_read_flash_byte(ha, pcihdr) != 0x55 ||
+		    qla2x00_read_flash_byte(ha, pcihdr + 0x01) != 0xaa) {
+			/* No signature */
+			DEBUG2(printk("scsi(%ld): No matching ROM "
+			    "signature.\n", ha->host_no));
+			ret = QLA_FUNCTION_FAILED;
+			break;
+		}
+
+		/* Locate PCI data structure. */
+		pcids = pcihdr +
+		    ((qla2x00_read_flash_byte(ha, pcihdr + 0x19) << 8) |
+			qla2x00_read_flash_byte(ha, pcihdr + 0x18));
+
+		/* Validate signature of PCI data structure. */
+		if (qla2x00_read_flash_byte(ha, pcids) != 'P' ||
+		    qla2x00_read_flash_byte(ha, pcids + 0x1) != 'C' ||
+		    qla2x00_read_flash_byte(ha, pcids + 0x2) != 'I' ||
+		    qla2x00_read_flash_byte(ha, pcids + 0x3) != 'R') {
+			/* Incorrect header. */
+			DEBUG2(printk("%s(): PCI data struct not found "
+			    "pcir_adr=%x.\n", __func__, pcids));
+			ret = QLA_FUNCTION_FAILED;
+			break;
+		}
+
+		/* Read version */
+		code_type = qla2x00_read_flash_byte(ha, pcids + 0x14);
+		switch (code_type) {
+		case ROM_CODE_TYPE_BIOS:
+			/* Intel x86, PC-AT compatible. */
+			ha->bios_revision[0] =
+			    qla2x00_read_flash_byte(ha, pcids + 0x12);
+			ha->bios_revision[1] =
+			    qla2x00_read_flash_byte(ha, pcids + 0x13);
+			DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
+			    ha->bios_revision[1], ha->bios_revision[0]));
+			break;
+		case ROM_CODE_TYPE_FCODE:
+			/* Open Firmware standard for PCI (FCode). */
+			/* Eeeewww... */
+			qla2x00_get_fcode_version(ha, pcids);
+			break;
+		case ROM_CODE_TYPE_EFI:
+			/* Extensible Firmware Interface (EFI). */
+			ha->efi_revision[0] =
+			    qla2x00_read_flash_byte(ha, pcids + 0x12);
+			ha->efi_revision[1] =
+			    qla2x00_read_flash_byte(ha, pcids + 0x13);
+			DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
+			    ha->efi_revision[1], ha->efi_revision[0]));
+			break;
+		default:
+			DEBUG2(printk("%s(): Unrecognized code type %x at "
+			    "pcids %x.\n", __func__, code_type, pcids));
+			break;
+		}
+
+		last_image = qla2x00_read_flash_byte(ha, pcids + 0x15) & BIT_7;
+
+		/* Locate next PCI expansion ROM. */
+		pcihdr += ((qla2x00_read_flash_byte(ha, pcids + 0x11) << 8) |
+		    qla2x00_read_flash_byte(ha, pcids + 0x10)) * 512;
+	} while (!last_image);
+
+	if (IS_QLA2322(ha)) {
+		/* Read firmware image information. */
+		memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+		dbyte = mbuf;
+		memset(dbyte, 0, 8);
+		dcode = (uint16_t *)dbyte;
+
+		qla2x00_read_flash_data(ha, dbyte, FA_RISC_CODE_ADDR * 4 + 10,
+		    8);
+		DEBUG3(printk("%s(%ld): dumping fw ver from flash:\n",
+		    __func__, ha->host_no));
+		DEBUG3(qla2x00_dump_buffer((uint8_t *)dbyte, 8));
+
+		if ((dcode[0] == 0xffff && dcode[1] == 0xffff &&
+		    dcode[2] == 0xffff && dcode[3] == 0xffff) ||
+		    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
+		    dcode[3] == 0)) {
+			DEBUG2(printk("%s(): Unrecognized fw revision at "
+			    "%x.\n", __func__, FA_RISC_CODE_ADDR * 4));
+		} else {
+			/* values are in big endian */
+			ha->fw_revision[0] = dbyte[0] << 16 | dbyte[1];
+			ha->fw_revision[1] = dbyte[2] << 16 | dbyte[3];
+			ha->fw_revision[2] = dbyte[4] << 16 | dbyte[5];
+		}
+	}
+
+	qla2x00_flash_disable(ha);
+
+	return ret;
+}
+
+int
+qla24xx_get_flash_version(scsi_qla_host_t *ha, void *mbuf)
+{
+	int ret = QLA_SUCCESS;
+	uint32_t pcihdr, pcids;
+	uint32_t *dcode;
+	uint8_t *bcode;
+	uint8_t code_type, last_image;
+	int i;
+
+	if (!mbuf)
+		return QLA_FUNCTION_FAILED;
+
+	memset(ha->bios_revision, 0, sizeof(ha->bios_revision));
+	memset(ha->efi_revision, 0, sizeof(ha->efi_revision));
+	memset(ha->fcode_revision, 0, sizeof(ha->fcode_revision));
+	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+
+	dcode = mbuf;
+
+	/* Begin with first PCI expansion ROM header. */
+	pcihdr = 0;
+	last_image = 1;
+	do {
+		/* Verify PCI expansion ROM header. */
+		qla24xx_read_flash_data(ha, dcode, pcihdr >> 2, 0x20);
+		bcode = mbuf + (pcihdr % 4);
+		if (bcode[0x0] != 0x55 || bcode[0x1] != 0xaa) {
+			/* No signature */
+			DEBUG2(printk("scsi(%ld): No matching ROM "
+			    "signature.\n", ha->host_no));
+			ret = QLA_FUNCTION_FAILED;
+			break;
+		}
+
+		/* Locate PCI data structure. */
+		pcids = pcihdr + ((bcode[0x19] << 8) | bcode[0x18]);
+
+		qla24xx_read_flash_data(ha, dcode, pcids >> 2, 0x20);
+		bcode = mbuf + (pcihdr % 4);
+
+		/* Validate signature of PCI data structure. */
+		if (bcode[0x0] != 'P' || bcode[0x1] != 'C' ||
+		    bcode[0x2] != 'I' || bcode[0x3] != 'R') {
+			/* Incorrect header. */
+			DEBUG2(printk("%s(): PCI data struct not found "
+			    "pcir_adr=%x.\n", __func__, pcids));
+			ret = QLA_FUNCTION_FAILED;
+			break;
+		}
+
+		/* Read version */
+		code_type = bcode[0x14];
+		switch (code_type) {
+		case ROM_CODE_TYPE_BIOS:
+			/* Intel x86, PC-AT compatible. */
+			ha->bios_revision[0] = bcode[0x12];
+			ha->bios_revision[1] = bcode[0x13];
+			DEBUG3(printk("%s(): read BIOS %d.%d.\n", __func__,
+			    ha->bios_revision[1], ha->bios_revision[0]));
+			break;
+		case ROM_CODE_TYPE_FCODE:
+			/* Open Firmware standard for PCI (FCode). */
+			ha->fcode_revision[0] = bcode[0x12];
+			ha->fcode_revision[1] = bcode[0x13];
+			DEBUG3(printk("%s(): read FCODE %d.%d.\n", __func__,
+			    ha->fcode_revision[1], ha->fcode_revision[0]));
+			break;
+		case ROM_CODE_TYPE_EFI:
+			/* Extensible Firmware Interface (EFI). */
+			ha->efi_revision[0] = bcode[0x12];
+			ha->efi_revision[1] = bcode[0x13];
+			DEBUG3(printk("%s(): read EFI %d.%d.\n", __func__,
+			    ha->efi_revision[1], ha->efi_revision[0]));
+			break;
+		default:
+			DEBUG2(printk("%s(): Unrecognized code type %x at "
+			    "pcids %x.\n", __func__, code_type, pcids));
+			break;
+		}
+
+		last_image = bcode[0x15] & BIT_7;
+
+		/* Locate next PCI expansion ROM. */
+		pcihdr += ((bcode[0x11] << 8) | bcode[0x10]) * 512;
+	} while (!last_image);
+
+	/* Read firmware image information. */
+	memset(ha->fw_revision, 0, sizeof(ha->fw_revision));
+	dcode = mbuf;
+
+	qla24xx_read_flash_data(ha, dcode, FA_RISC_CODE_ADDR + 4, 4);
+	for (i = 0; i < 4; i++)
+		dcode[i] = be32_to_cpu(dcode[i]);
+
+	if ((dcode[0] == 0xffffffff && dcode[1] == 0xffffffff &&
+	    dcode[2] == 0xffffffff && dcode[3] == 0xffffffff) ||
+	    (dcode[0] == 0 && dcode[1] == 0 && dcode[2] == 0 &&
+	    dcode[3] == 0)) {
+		DEBUG2(printk("%s(): Unrecognized fw version at %x.\n",
+		    __func__, FA_RISC_CODE_ADDR));
+	} else {
+		ha->fw_revision[0] = dcode[0];
+		ha->fw_revision[1] = dcode[1];
+		ha->fw_revision[2] = dcode[2];
+		ha->fw_revision[3] = dcode[3];
+	}
+
+	return ret;
+}
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index 459e0d6bd2b..61347aee55c 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -7,7 +7,7 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.01.07-k4"
+#define QLA2XXX_VERSION      "8.01.07-k5"
 
 #define QLA_DRIVER_MAJOR_VER	8
 #define QLA_DRIVER_MINOR_VER	1
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 24cffd98ee6..f33e2eb9f1b 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -673,27 +673,6 @@ void __scsi_done(struct scsi_cmnd *cmd)
 }
 
 /*
- * Function:    scsi_retry_command
- *
- * Purpose:     Send a command back to the low level to be retried.
- *
- * Notes:       This command is always executed in the context of the
- *              bottom half handler, or the error handler thread. Low
- *              level drivers should not become re-entrant as a result of
- *              this.
- */
-int scsi_retry_command(struct scsi_cmnd *cmd)
-{
-        /*
-         * Zero the sense information from the last time we tried
-         * this command.
-         */
-	memset(cmd->sense_buffer, 0, sizeof(cmd->sense_buffer));
-
-	return scsi_queue_insert(cmd, SCSI_MLQUEUE_EH_RETRY);
-}
-
-/*
  * Function:    scsi_finish_command
  *
  * Purpose:     Pass command off to upper layer for finishing of I/O
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 30ee3d72c02..5adbbeedec3 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -51,10 +51,10 @@
 #include "scsi_logging.h"
 #include "scsi_debug.h"
 
-#define SCSI_DEBUG_VERSION "1.80"
-static const char * scsi_debug_version_date = "20061018";
+#define SCSI_DEBUG_VERSION "1.81"
+static const char * scsi_debug_version_date = "20070104";
 
-/* Additional Sense Code (ASC) used */
+/* Additional Sense Code (ASC) */
 #define NO_ADDITIONAL_SENSE 0x0
 #define LOGICAL_UNIT_NOT_READY 0x4
 #define UNRECOVERED_READ_ERR 0x11
@@ -65,9 +65,13 @@ static const char * scsi_debug_version_date = "20061018";
 #define INVALID_FIELD_IN_PARAM_LIST 0x26
 #define POWERON_RESET 0x29
 #define SAVING_PARAMS_UNSUP 0x39
+#define TRANSPORT_PROBLEM 0x4b
 #define THRESHOLD_EXCEEDED 0x5d
 #define LOW_POWER_COND_ON 0x5e
 
+/* Additional Sense Code Qualifier (ASCQ) */
+#define ACK_NAK_TO 0x3
+
 #define SDEBUG_TAGGED_QUEUING 0 /* 0 | MSG_SIMPLE_TAG | MSG_ORDERED_TAG */
 
 /* Default values for driver parameters */
@@ -95,15 +99,20 @@ static const char * scsi_debug_version_date = "20061018";
 #define SCSI_DEBUG_OPT_MEDIUM_ERR   2
 #define SCSI_DEBUG_OPT_TIMEOUT   4
 #define SCSI_DEBUG_OPT_RECOVERED_ERR   8
+#define SCSI_DEBUG_OPT_TRANSPORT_ERR   16
 /* When "every_nth" > 0 then modulo "every_nth" commands:
  *   - a no response is simulated if SCSI_DEBUG_OPT_TIMEOUT is set
  *   - a RECOVERED_ERROR is simulated on successful read and write
  *     commands if SCSI_DEBUG_OPT_RECOVERED_ERR is set.
+ *   - a TRANSPORT_ERROR is simulated on successful read and write
+ *     commands if SCSI_DEBUG_OPT_TRANSPORT_ERR is set.
  *
  * When "every_nth" < 0 then after "- every_nth" commands:
  *   - a no response is simulated if SCSI_DEBUG_OPT_TIMEOUT is set
  *   - a RECOVERED_ERROR is simulated on successful read and write
  *     commands if SCSI_DEBUG_OPT_RECOVERED_ERR is set.
+ *   - a TRANSPORT_ERROR is simulated on successful read and write
+ *     commands if SCSI_DEBUG_OPT_TRANSPORT_ERR is set.
  * This will continue until some other action occurs (e.g. the user
  * writing a new value (other than -1 or 1) to every_nth via sysfs).
  */
@@ -315,6 +324,7 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
 	int target = SCpnt->device->id;
 	struct sdebug_dev_info * devip = NULL;
 	int inj_recovered = 0;
+	int inj_transport = 0;
 	int delay_override = 0;
 
 	if (done == NULL)
@@ -352,6 +362,8 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
 			return 0; /* ignore command causing timeout */
 		else if (SCSI_DEBUG_OPT_RECOVERED_ERR & scsi_debug_opts)
 			inj_recovered = 1; /* to reads and writes below */
+		else if (SCSI_DEBUG_OPT_TRANSPORT_ERR & scsi_debug_opts)
+			inj_transport = 1; /* to reads and writes below */
         }
 
 	if (devip->wlun) {
@@ -468,7 +480,11 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
 			mk_sense_buffer(devip, RECOVERED_ERROR,
 					THRESHOLD_EXCEEDED, 0);
 			errsts = check_condition_result;
-		}
+		} else if (inj_transport && (0 == errsts)) {
+                        mk_sense_buffer(devip, ABORTED_COMMAND,
+                                        TRANSPORT_PROBLEM, ACK_NAK_TO);
+                        errsts = check_condition_result;
+                }
 		break;
 	case REPORT_LUNS:	/* mandatory, ignore unit attention */
 		delay_override = 1;
@@ -531,6 +547,9 @@ int scsi_debug_queuecommand(struct scsi_cmnd * SCpnt, done_funct_t done)
 		delay_override = 1;
 		errsts = check_readiness(SCpnt, 0, devip);
 		break;
+	case WRITE_BUFFER:
+		errsts = check_readiness(SCpnt, 1, devip);
+		break;
 	default:
 		if (SCSI_DEBUG_OPT_NOISE & scsi_debug_opts)
 			printk(KERN_INFO "scsi_debug: Opcode: 0x%x not "
@@ -954,7 +973,9 @@ static int resp_inquiry(struct scsi_cmnd * scp, int target,
 	int alloc_len, n, ret;
 
 	alloc_len = (cmd[3] << 8) + cmd[4];
-	arr = kzalloc(SDEBUG_MAX_INQ_ARR_SZ, GFP_KERNEL);
+	arr = kzalloc(SDEBUG_MAX_INQ_ARR_SZ, GFP_ATOMIC);
+	if (! arr)
+		return DID_REQUEUE << 16;
 	if (devip->wlun)
 		pq_pdt = 0x1e;	/* present, wlun */
 	else if (scsi_debug_no_lun_0 && (0 == devip->lun))
@@ -1217,7 +1238,9 @@ static int resp_report_tgtpgs(struct scsi_cmnd * scp,
 	alen = ((cmd[6] << 24) + (cmd[7] << 16) + (cmd[8] << 8)
 		+ cmd[9]);
 
-	arr = kzalloc(SDEBUG_MAX_TGTPGS_ARR_SZ, GFP_KERNEL);
+	arr = kzalloc(SDEBUG_MAX_TGTPGS_ARR_SZ, GFP_ATOMIC);
+	if (! arr)
+		return DID_REQUEUE << 16;
 	/*
 	 * EVPD page 0x88 states we have two ports, one
 	 * real and a fake port with no device connected.
@@ -1996,6 +2019,8 @@ static int scsi_debug_slave_configure(struct scsi_device * sdp)
 	if (sdp->host->max_cmd_len != SCSI_DEBUG_MAX_CMD_LEN)
 		sdp->host->max_cmd_len = SCSI_DEBUG_MAX_CMD_LEN;
 	devip = devInfoReg(sdp);
+	if (NULL == devip)
+		return 1;	/* no resources, will be marked offline */
 	sdp->hostdata = devip;
 	if (sdp->host->cmd_per_lun)
 		scsi_adjust_queue_depth(sdp, SDEBUG_TAGGED_QUEUING,
@@ -2044,7 +2069,7 @@ static struct sdebug_dev_info * devInfoReg(struct scsi_device * sdev)
 		}
 	}
 	if (NULL == open_devip) { /* try and make a new one */
-		open_devip = kzalloc(sizeof(*open_devip),GFP_KERNEL);
+		open_devip = kzalloc(sizeof(*open_devip),GFP_ATOMIC);
 		if (NULL == open_devip) {
 			printk(KERN_ERR "%s: out of memory at line %d\n",
 				__FUNCTION__, __LINE__);
@@ -2388,7 +2413,7 @@ MODULE_PARM_DESC(max_luns, "number of LUNs per target to simulate(def=1)");
 MODULE_PARM_DESC(no_lun_0, "no LU number 0 (def=0 -> have lun 0)");
 MODULE_PARM_DESC(num_parts, "number of partitions(def=0)");
 MODULE_PARM_DESC(num_tgts, "number of targets per host to simulate(def=1)");
-MODULE_PARM_DESC(opts, "1->noise, 2->medium_error, 4->... (def=0)");
+MODULE_PARM_DESC(opts, "1->noise, 2->medium_err, 4->timeout, 8->recovered_err... (def=0)");
 MODULE_PARM_DESC(ptype, "SCSI peripheral type(def=0[disk])");
 MODULE_PARM_DESC(scsi_level, "SCSI level to simulate(def=5[SPC-3])");
 MODULE_PARM_DESC(virtual_gb, "virtual gigabyte size (def=0 -> use dev_size_mb)");
@@ -2943,7 +2968,6 @@ static int sdebug_add_adapter(void)
         struct list_head *lh, *lh_sf;
 
         sdbg_host = kzalloc(sizeof(*sdbg_host),GFP_KERNEL);
-
         if (NULL == sdbg_host) {
                 printk(KERN_ERR "%s: out of memory at line %d\n",
                        __FUNCTION__, __LINE__);
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 2ecb6ff4244..b8edcf5b545 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -359,6 +359,11 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
 		return SUCCESS;
 
 	case MEDIUM_ERROR:
+		if (sshdr.asc == 0x11 || /* UNRECOVERED READ ERR */
+		    sshdr.asc == 0x13 || /* AMNF DATA FIELD */
+		    sshdr.asc == 0x14) { /* RECORD NOT FOUND */
+			return SUCCESS;
+		}
 		return NEEDS_RETRY;
 
 	case HARDWARE_ERROR:
@@ -453,6 +458,128 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
 }
 
 /**
+ * scsi_try_host_reset - ask host adapter to reset itself
+ * @scmd:	SCSI cmd to send hsot reset.
+ **/
+static int scsi_try_host_reset(struct scsi_cmnd *scmd)
+{
+	unsigned long flags;
+	int rtn;
+
+	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n",
+					  __FUNCTION__));
+
+	if (!scmd->device->host->hostt->eh_host_reset_handler)
+		return FAILED;
+
+	rtn = scmd->device->host->hostt->eh_host_reset_handler(scmd);
+
+	if (rtn == SUCCESS) {
+		if (!scmd->device->host->hostt->skip_settle_delay)
+			ssleep(HOST_RESET_SETTLE_TIME);
+		spin_lock_irqsave(scmd->device->host->host_lock, flags);
+		scsi_report_bus_reset(scmd->device->host,
+				      scmd_channel(scmd));
+		spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
+	}
+
+	return rtn;
+}
+
+/**
+ * scsi_try_bus_reset - ask host to perform a bus reset
+ * @scmd:	SCSI cmd to send bus reset.
+ **/
+static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
+{
+	unsigned long flags;
+	int rtn;
+
+	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n",
+					  __FUNCTION__));
+
+	if (!scmd->device->host->hostt->eh_bus_reset_handler)
+		return FAILED;
+
+	rtn = scmd->device->host->hostt->eh_bus_reset_handler(scmd);
+
+	if (rtn == SUCCESS) {
+		if (!scmd->device->host->hostt->skip_settle_delay)
+			ssleep(BUS_RESET_SETTLE_TIME);
+		spin_lock_irqsave(scmd->device->host->host_lock, flags);
+		scsi_report_bus_reset(scmd->device->host,
+				      scmd_channel(scmd));
+		spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
+	}
+
+	return rtn;
+}
+
+/**
+ * scsi_try_bus_device_reset - Ask host to perform a BDR on a dev
+ * @scmd:	SCSI cmd used to send BDR
+ *
+ * Notes:
+ *    There is no timeout for this operation.  if this operation is
+ *    unreliable for a given host, then the host itself needs to put a
+ *    timer on it, and set the host back to a consistent state prior to
+ *    returning.
+ **/
+static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
+{
+	int rtn;
+
+	if (!scmd->device->host->hostt->eh_device_reset_handler)
+		return FAILED;
+
+	rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd);
+	if (rtn == SUCCESS) {
+		scmd->device->was_reset = 1;
+		scmd->device->expecting_cc_ua = 1;
+	}
+
+	return rtn;
+}
+
+static int __scsi_try_to_abort_cmd(struct scsi_cmnd *scmd)
+{
+	if (!scmd->device->host->hostt->eh_abort_handler)
+		return FAILED;
+
+	return scmd->device->host->hostt->eh_abort_handler(scmd);
+}
+
+/**
+ * scsi_try_to_abort_cmd - Ask host to abort a running command.
+ * @scmd:	SCSI cmd to abort from Lower Level.
+ *
+ * Notes:
+ *    This function will not return until the user's completion function
+ *    has been called.  there is no timeout on this operation.  if the
+ *    author of the low-level driver wishes this operation to be timed,
+ *    they can provide this facility themselves.  helper functions in
+ *    scsi_error.c can be supplied to make this easier to do.
+ **/
+static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd)
+{
+	/*
+	 * scsi_done was called just after the command timed out and before
+	 * we had a chance to process it. (db)
+	 */
+	if (scmd->serial_number == 0)
+		return SUCCESS;
+	return __scsi_try_to_abort_cmd(scmd);
+}
+
+static void scsi_abort_eh_cmnd(struct scsi_cmnd *scmd)
+{
+	if (__scsi_try_to_abort_cmd(scmd) != SUCCESS)
+		if (scsi_try_bus_device_reset(scmd) != SUCCESS)
+			if (scsi_try_bus_reset(scmd) != SUCCESS)
+				scsi_try_host_reset(scmd);
+}
+
+/**
  * scsi_send_eh_cmnd  - submit a scsi command as part of error recory
  * @scmd:       SCSI command structure to hijack
  * @cmnd:       CDB to send
@@ -579,13 +706,7 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd,
 			break;
 		}
 	} else {
-		/*
-		 * FIXME(eric) - we are not tracking whether we could
-		 * abort a timed out command or not.  not sure how
-		 * we should treat them differently anyways.
-		 */
-		if (shost->hostt->eh_abort_handler)
-			shost->hostt->eh_abort_handler(scmd);
+		scsi_abort_eh_cmnd(scmd);
 		rtn = FAILED;
 	}
 
@@ -672,8 +793,8 @@ EXPORT_SYMBOL(scsi_eh_finish_cmd);
  *    XXX: Long term this code should go away, but that needs an audit of
  *         all LLDDs first.
  **/
-static int scsi_eh_get_sense(struct list_head *work_q,
-			     struct list_head *done_q)
+int scsi_eh_get_sense(struct list_head *work_q,
+		      struct list_head *done_q)
 {
 	struct scsi_cmnd *scmd, *next;
 	int rtn;
@@ -715,31 +836,7 @@ static int scsi_eh_get_sense(struct list_head *work_q,
 
 	return list_empty(work_q);
 }
-
-/**
- * scsi_try_to_abort_cmd - Ask host to abort a running command.
- * @scmd:	SCSI cmd to abort from Lower Level.
- *
- * Notes:
- *    This function will not return until the user's completion function
- *    has been called.  there is no timeout on this operation.  if the
- *    author of the low-level driver wishes this operation to be timed,
- *    they can provide this facility themselves.  helper functions in
- *    scsi_error.c can be supplied to make this easier to do.
- **/
-static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd)
-{
-	if (!scmd->device->host->hostt->eh_abort_handler)
-		return FAILED;
-
-	/*
-	 * scsi_done was called just after the command timed out and before
-	 * we had a chance to process it. (db)
-	 */
-	if (scmd->serial_number == 0)
-		return SUCCESS;
-	return scmd->device->host->hostt->eh_abort_handler(scmd);
-}
+EXPORT_SYMBOL_GPL(scsi_eh_get_sense);
 
 /**
  * scsi_eh_tur - Send TUR to device.
@@ -815,32 +912,6 @@ static int scsi_eh_abort_cmds(struct list_head *work_q,
 }
 
 /**
- * scsi_try_bus_device_reset - Ask host to perform a BDR on a dev
- * @scmd:	SCSI cmd used to send BDR	
- *
- * Notes:
- *    There is no timeout for this operation.  if this operation is
- *    unreliable for a given host, then the host itself needs to put a
- *    timer on it, and set the host back to a consistent state prior to
- *    returning.
- **/
-static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
-{
-	int rtn;
-
-	if (!scmd->device->host->hostt->eh_device_reset_handler)
-		return FAILED;
-
-	rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd);
-	if (rtn == SUCCESS) {
-		scmd->device->was_reset = 1;
-		scmd->device->expecting_cc_ua = 1;
-	}
-
-	return rtn;
-}
-
-/**
  * scsi_eh_try_stu - Send START_UNIT to device.
  * @scmd:	Scsi cmd to send START_UNIT
  *
@@ -971,64 +1042,6 @@ static int scsi_eh_bus_device_reset(struct Scsi_Host *shost,
 }
 
 /**
- * scsi_try_bus_reset - ask host to perform a bus reset
- * @scmd:	SCSI cmd to send bus reset.
- **/
-static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
-{
-	unsigned long flags;
-	int rtn;
-
-	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n",
-					  __FUNCTION__));
-
-	if (!scmd->device->host->hostt->eh_bus_reset_handler)
-		return FAILED;
-
-	rtn = scmd->device->host->hostt->eh_bus_reset_handler(scmd);
-
-	if (rtn == SUCCESS) {
-		if (!scmd->device->host->hostt->skip_settle_delay)
-			ssleep(BUS_RESET_SETTLE_TIME);
-		spin_lock_irqsave(scmd->device->host->host_lock, flags);
-		scsi_report_bus_reset(scmd->device->host,
-				      scmd_channel(scmd));
-		spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
-	}
-
-	return rtn;
-}
-
-/**
- * scsi_try_host_reset - ask host adapter to reset itself
- * @scmd:	SCSI cmd to send hsot reset.
- **/
-static int scsi_try_host_reset(struct scsi_cmnd *scmd)
-{
-	unsigned long flags;
-	int rtn;
-
-	SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n",
-					  __FUNCTION__));
-
-	if (!scmd->device->host->hostt->eh_host_reset_handler)
-		return FAILED;
-
-	rtn = scmd->device->host->hostt->eh_host_reset_handler(scmd);
-
-	if (rtn == SUCCESS) {
-		if (!scmd->device->host->hostt->skip_settle_delay)
-			ssleep(HOST_RESET_SETTLE_TIME);
-		spin_lock_irqsave(scmd->device->host->host_lock, flags);
-		scsi_report_bus_reset(scmd->device->host,
-				      scmd_channel(scmd));
-		spin_unlock_irqrestore(scmd->device->host->host_lock, flags);
-	}
-
-	return rtn;
-}
-
-/**
  * scsi_eh_bus_reset - send a bus reset 
  * @shost:	scsi host being recovered.
  * @eh_done_q:	list_head for processed commands.
@@ -1411,9 +1424,9 @@ static void scsi_restart_operations(struct Scsi_Host *shost)
  * @eh_done_q:	list_head for processed commands.
  *
  **/
-static void scsi_eh_ready_devs(struct Scsi_Host *shost,
-			       struct list_head *work_q,
-			       struct list_head *done_q)
+void scsi_eh_ready_devs(struct Scsi_Host *shost,
+			struct list_head *work_q,
+			struct list_head *done_q)
 {
 	if (!scsi_eh_stu(shost, work_q, done_q))
 		if (!scsi_eh_bus_device_reset(shost, work_q, done_q))
@@ -1421,6 +1434,7 @@ static void scsi_eh_ready_devs(struct Scsi_Host *shost,
 				if (!scsi_eh_host_reset(work_q, done_q))
 					scsi_eh_offline_sdevs(work_q, done_q);
 }
+EXPORT_SYMBOL_GPL(scsi_eh_ready_devs);
 
 /**
  * scsi_eh_flush_done_q - finish processed commands or retry them.
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index f02f48a882a..9f7482d0b59 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -388,10 +388,9 @@ int scsi_execute_async(struct scsi_device *sdev, const unsigned char *cmd,
 	int err = 0;
 	int write = (data_direction == DMA_TO_DEVICE);
 
-	sioc = kmem_cache_alloc(scsi_io_context_cache, gfp);
+	sioc = kmem_cache_zalloc(scsi_io_context_cache, gfp);
 	if (!sioc)
 		return DRIVER_ERROR << 24;
-	memset(sioc, 0, sizeof(*sioc));
 
 	req = blk_get_request(sdev->request_queue, write, gfp);
 	if (!req)
@@ -1400,7 +1399,7 @@ static void scsi_softirq_done(struct request *rq)
 			scsi_finish_command(cmd);
 			break;
 		case NEEDS_RETRY:
-			scsi_retry_command(cmd);
+			scsi_queue_insert(cmd, SCSI_MLQUEUE_EH_RETRY);
 			break;
 		case ADD_TO_MLQUEUE:
 			scsi_queue_insert(cmd, SCSI_MLQUEUE_DEVICE_BUSY);
@@ -2250,6 +2249,8 @@ void *scsi_kmap_atomic_sg(struct scatterlist *sg, int sg_count,
 	size_t sg_len = 0, len_complete = 0;
 	struct page *page;
 
+	WARN_ON(!irqs_disabled());
+
 	for (i = 0; i < sg_count; i++) {
 		len_complete = sg_len; /* Complete sg-entries */
 		sg_len += sg[i].length;
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index f458c2f686d..ee8efe849bf 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -28,7 +28,6 @@ extern int scsi_dispatch_cmd(struct scsi_cmnd *cmd);
 extern int scsi_setup_command_freelist(struct Scsi_Host *shost);
 extern void scsi_destroy_command_freelist(struct Scsi_Host *shost);
 extern void __scsi_done(struct scsi_cmnd *cmd);
-extern int scsi_retry_command(struct scsi_cmnd *cmd);
 #ifdef CONFIG_SCSI_LOGGING
 void scsi_log_send(struct scsi_cmnd *cmd);
 void scsi_log_completion(struct scsi_cmnd *cmd, int disposition);
@@ -58,6 +57,11 @@ extern int scsi_error_handler(void *host);
 extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
 extern void scsi_eh_wakeup(struct Scsi_Host *shost);
 extern int scsi_eh_scmd_add(struct scsi_cmnd *, int);
+void scsi_eh_ready_devs(struct Scsi_Host *shost,
+			struct list_head *work_q,
+			struct list_head *done_q);
+int scsi_eh_get_sense(struct list_head *work_q,
+		      struct list_head *done_q);
 
 /* scsi_lib.c */
 extern int scsi_maybe_unblock_host(struct scsi_device *sdev);
diff --git a/drivers/scsi/scsi_proc.c b/drivers/scsi/scsi_proc.c
index 524a5f7a519..69d6e9b198c 100644
--- a/drivers/scsi/scsi_proc.c
+++ b/drivers/scsi/scsi_proc.c
@@ -308,7 +308,7 @@ static int proc_scsi_open(struct inode *inode, struct file *file)
 	return single_open(file, proc_scsi_show, NULL);
 }
 
-static struct file_operations proc_scsi_operations = {
+static const struct file_operations proc_scsi_operations = {
 	.open		= proc_scsi_open,
 	.read		= seq_read,
 	.write		= proc_scsi_write,
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 96b7cbd746a..a43b9ec3aef 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -1029,7 +1029,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
 
 				sdev_printk(KERN_INFO, sdev,
 					"scsi scan: consider passing scsi_mod."
-					"dev_flags=%s:%s:0x240 or 0x800240\n",
+					"dev_flags=%s:%s:0x240 or 0x1000240\n",
 					scsi_inq_str(vend, result, 8, 16),
 					scsi_inq_str(mod, result, 16, 32));
 			});
diff --git a/drivers/scsi/scsi_tgt_if.c b/drivers/scsi/scsi_tgt_if.c
index 37bbfbdb870..f2344ab8def 100644
--- a/drivers/scsi/scsi_tgt_if.c
+++ b/drivers/scsi/scsi_tgt_if.c
@@ -280,7 +280,7 @@ static int tgt_open(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static struct file_operations tgt_fops = {
+static const struct file_operations tgt_fops = {
 	.owner		= THIS_MODULE,
 	.open		= tgt_open,
 	.poll		= tgt_poll,
diff --git a/drivers/scsi/scsi_transport_sas.c b/drivers/scsi/scsi_transport_sas.c
index 5c0b75bbfa1..6d39150e205 100644
--- a/drivers/scsi/scsi_transport_sas.c
+++ b/drivers/scsi/scsi_transport_sas.c
@@ -336,6 +336,51 @@ show_sas_device_type(struct class_device *cdev, char *buf)
 }
 static CLASS_DEVICE_ATTR(device_type, S_IRUGO, show_sas_device_type, NULL);
 
+static ssize_t do_sas_phy_enable(struct class_device *cdev,
+		size_t count, int enable)
+{
+	struct sas_phy *phy = transport_class_to_phy(cdev);
+	struct Scsi_Host *shost = dev_to_shost(phy->dev.parent);
+	struct sas_internal *i = to_sas_internal(shost->transportt);
+	int error;
+
+	error = i->f->phy_enable(phy, enable);
+	if (error)
+		return error;
+	phy->enabled = enable;
+	return count;
+};
+
+static ssize_t store_sas_phy_enable(struct class_device *cdev,
+		const char *buf, size_t count)
+{
+	if (count < 1)
+		return -EINVAL;
+
+	switch (buf[0]) {
+	case '0':
+		do_sas_phy_enable(cdev, count, 0);
+		break;
+	case '1':
+		do_sas_phy_enable(cdev, count, 1);
+		break;
+	default:
+		return -EINVAL;
+	}
+
+	return count;
+}
+
+static ssize_t show_sas_phy_enable(struct class_device *cdev, char *buf)
+{
+	struct sas_phy *phy = transport_class_to_phy(cdev);
+
+	return snprintf(buf, 20, "%d", phy->enabled);
+}
+
+static CLASS_DEVICE_ATTR(enable, S_IRUGO | S_IWUSR, show_sas_phy_enable,
+			 store_sas_phy_enable);
+
 static ssize_t do_sas_phy_reset(struct class_device *cdev,
 		size_t count, int hard_reset)
 {
@@ -435,6 +480,7 @@ struct sas_phy *sas_phy_alloc(struct device *parent, int number)
 		return NULL;
 
 	phy->number = number;
+	phy->enabled = 1;
 
 	device_initialize(&phy->dev);
 	phy->dev.parent = get_device(parent);
@@ -579,8 +625,19 @@ static void sas_port_release(struct device *dev)
 static void sas_port_create_link(struct sas_port *port,
 				 struct sas_phy *phy)
 {
-	sysfs_create_link(&port->dev.kobj, &phy->dev.kobj, phy->dev.bus_id);
-	sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
+	int res;
+
+	res = sysfs_create_link(&port->dev.kobj, &phy->dev.kobj,
+				phy->dev.bus_id);
+	if (res)
+		goto err;
+	res = sysfs_create_link(&phy->dev.kobj, &port->dev.kobj, "port");
+	if (res)
+		goto err;
+	return;
+err:
+	printk(KERN_ERR "%s: Cannot create port links, err=%d\n",
+	       __FUNCTION__, res);
 }
 
 static void sas_port_delete_link(struct sas_port *port,
@@ -818,13 +875,20 @@ EXPORT_SYMBOL(sas_port_delete_phy);
 
 void sas_port_mark_backlink(struct sas_port *port)
 {
+	int res;
 	struct device *parent = port->dev.parent->parent->parent;
 
 	if (port->is_backlink)
 		return;
 	port->is_backlink = 1;
-	sysfs_create_link(&port->dev.kobj, &parent->kobj,
-			  parent->bus_id);
+	res = sysfs_create_link(&port->dev.kobj, &parent->kobj,
+				parent->bus_id);
+	if (res)
+		goto err;
+	return;
+err:
+	printk(KERN_ERR "%s: Cannot create port backlink, err=%d\n",
+	       __FUNCTION__, res);
 
 }
 EXPORT_SYMBOL(sas_port_mark_backlink);
@@ -1237,7 +1301,7 @@ int sas_rphy_add(struct sas_rphy *rphy)
 	if (identify->device_type == SAS_END_DEVICE &&
 	    rphy->scsi_target_id != -1) {
 		scsi_scan_target(&rphy->dev, 0,
-				rphy->scsi_target_id, ~0, 0);
+				rphy->scsi_target_id, SCAN_WILD_CARD, 0);
 	}
 
 	return 0;
@@ -1253,7 +1317,7 @@ EXPORT_SYMBOL(sas_rphy_add);
  * Note:
  *   This function must only be called on a remote
  *   PHY that has not sucessfully been added using
- *   sas_rphy_add().
+ *   sas_rphy_add() (or has been sas_rphy_remove()'d)
  */
 void sas_rphy_free(struct sas_rphy *rphy)
 {
@@ -1272,18 +1336,30 @@ void sas_rphy_free(struct sas_rphy *rphy)
 EXPORT_SYMBOL(sas_rphy_free);
 
 /**
- * sas_rphy_delete  --  remove SAS remote PHY
- * @rphy:	SAS remote PHY to remove
+ * sas_rphy_delete  --  remove and free SAS remote PHY
+ * @rphy:	SAS remote PHY to remove and free
  *
- * Removes the specified SAS remote PHY.
+ * Removes the specified SAS remote PHY and frees it.
  */
 void
 sas_rphy_delete(struct sas_rphy *rphy)
 {
+	sas_rphy_remove(rphy);
+	sas_rphy_free(rphy);
+}
+EXPORT_SYMBOL(sas_rphy_delete);
+
+/**
+ * sas_rphy_remove  --  remove SAS remote PHY
+ * @rphy:	SAS remote phy to remove
+ *
+ * Removes the specified SAS remote PHY.
+ */
+void
+sas_rphy_remove(struct sas_rphy *rphy)
+{
 	struct device *dev = &rphy->dev;
 	struct sas_port *parent = dev_to_sas_port(dev->parent);
-	struct Scsi_Host *shost = dev_to_shost(parent->dev.parent);
-	struct sas_host_attrs *sas_host = to_sas_host_attrs(shost);
 
 	switch (rphy->identify.device_type) {
 	case SAS_END_DEVICE:
@@ -1299,17 +1375,10 @@ sas_rphy_delete(struct sas_rphy *rphy)
 
 	transport_remove_device(dev);
 	device_del(dev);
-	transport_destroy_device(dev);
-
-	mutex_lock(&sas_host->lock);
-	list_del(&rphy->list);
-	mutex_unlock(&sas_host->lock);
 
 	parent->rphy = NULL;
-
-	put_device(dev);
 }
-EXPORT_SYMBOL(sas_rphy_delete);
+EXPORT_SYMBOL(sas_rphy_remove);
 
 /**
  * scsi_is_sas_rphy  --  check if a struct device represents a SAS remote PHY
@@ -1389,6 +1458,10 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
 	SETUP_TEMPLATE_RW(phy_attrs, field, S_IRUGO | S_IWUSR, 1,	\
 			!i->f->set_phy_speed, S_IRUGO)
 
+#define SETUP_OPTIONAL_PHY_ATTRIBUTE_RW(field, func)			\
+	SETUP_TEMPLATE_RW(phy_attrs, field, S_IRUGO | S_IWUSR, 1,	\
+			  !i->f->func, S_IRUGO)
+
 #define SETUP_PORT_ATTRIBUTE(field)					\
 	SETUP_TEMPLATE(port_attrs, field, S_IRUGO, 1)
 
@@ -1396,10 +1469,10 @@ static int sas_user_scan(struct Scsi_Host *shost, uint channel,
 	SETUP_TEMPLATE(phy_attrs, field, S_IRUGO, i->f->func)
 
 #define SETUP_PHY_ATTRIBUTE_WRONLY(field)				\
-	SETUP_TEMPLATE(phy_attrs, field, S_IWUGO, 1)
+	SETUP_TEMPLATE(phy_attrs, field, S_IWUSR, 1)
 
 #define SETUP_OPTIONAL_PHY_ATTRIBUTE_WRONLY(field, func)		\
-	SETUP_TEMPLATE(phy_attrs, field, S_IWUGO, i->f->func)
+	SETUP_TEMPLATE(phy_attrs, field, S_IWUSR, i->f->func)
 
 #define SETUP_END_DEV_ATTRIBUTE(field)					\
 	SETUP_TEMPLATE(end_dev_attrs, field, S_IRUGO, 1)
@@ -1479,6 +1552,7 @@ sas_attach_transport(struct sas_function_template *ft)
 	SETUP_PHY_ATTRIBUTE(phy_reset_problem_count);
 	SETUP_OPTIONAL_PHY_ATTRIBUTE_WRONLY(link_reset, phy_reset);
 	SETUP_OPTIONAL_PHY_ATTRIBUTE_WRONLY(hard_reset, phy_reset);
+	SETUP_OPTIONAL_PHY_ATTRIBUTE_RW(enable, phy_enable);
 	i->phy_attrs[count] = NULL;
 
 	count = 0;
@@ -1587,7 +1661,7 @@ static void __exit sas_transport_exit(void)
 }
 
 MODULE_AUTHOR("Christoph Hellwig");
-MODULE_DESCRIPTION("SAS Transphy Attributes");
+MODULE_DESCRIPTION("SAS Transport Attributes");
 MODULE_LICENSE("GPL");
 
 module_init(sas_transport_init);
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 014d7fea1ff..6f56f875063 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -46,7 +46,6 @@
 				 * two cc/ua clears */
 
 /* Private data accessors (keep these out of the header file) */
-#define spi_dv_pending(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_pending)
 #define spi_dv_in_progress(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_in_progress)
 #define spi_dv_mutex(x) (((struct spi_transport_attrs *)&(x)->starget_data)->dv_mutex)
 
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 551baccec52..018c65f73ac 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -123,6 +123,7 @@ sim710_probe_common(struct device *dev, unsigned long base_addr,
 	hostdata->differential = differential;
 	hostdata->clock = clock;
 	hostdata->chip710 = 1;
+	hostdata->burst_length = 8;
 
 	/* and register the chip */
 	if((host = NCR_700_detect(&sim710_driver_template, hostdata, dev))
diff --git a/drivers/scsi/sni_53c710.c b/drivers/scsi/sni_53c710.c
new file mode 100644
index 00000000000..6bc50511584
--- /dev/null
+++ b/drivers/scsi/sni_53c710.c
@@ -0,0 +1,159 @@
+/* -*- mode: c; c-basic-offset: 8 -*- */
+
+/* SNI RM driver
+ *
+ * Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
+**-----------------------------------------------------------------------------
+**
+**  This program is free software; you can redistribute it and/or modify
+**  it under the terms of the GNU General Public License as published by
+**  the Free Software Foundation; either version 2 of the License, or
+**  (at your option) any later version.
+**
+**  This program is distributed in the hope that it will be useful,
+**  but WITHOUT ANY WARRANTY; without even the implied warranty of
+**  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+**  GNU General Public License for more details.
+**
+**  You should have received a copy of the GNU General Public License
+**  along with this program; if not, write to the Free Software
+**  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+**
+**-----------------------------------------------------------------------------
+ */
+
+/*
+ * Based on lasi700.c
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/types.h>
+#include <linux/stat.h>
+#include <linux/mm.h>
+#include <linux/blkdev.h>
+#include <linux/sched.h>
+#include <linux/ioport.h>
+#include <linux/dma-mapping.h>
+#include <linux/platform_device.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/irq.h>
+#include <asm/delay.h>
+
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
+
+#include "53c700.h"
+
+MODULE_AUTHOR("Thomas Bogendörfer");
+MODULE_DESCRIPTION("SNI RM 53c710 SCSI Driver");
+MODULE_LICENSE("GPL");
+
+#define SNIRM710_CLOCK	32
+
+static struct scsi_host_template snirm710_template = {
+	.name		= "SNI RM SCSI 53c710",
+	.proc_name	= "snirm_53c710",
+	.this_id	= 7,
+	.module		= THIS_MODULE,
+};
+
+static int __init snirm710_probe(struct platform_device *dev)
+{
+	unsigned long base;
+	struct NCR_700_Host_Parameters *hostdata;
+	struct Scsi_Host *host;
+	struct  resource *res;
+
+	res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+	if (!res)
+		return -ENODEV;
+
+	base = res->start;
+	hostdata = kzalloc(sizeof(*hostdata), GFP_KERNEL);
+	if (!hostdata) {
+		printk(KERN_ERR "%s: Failed to allocate host data\n",
+		       dev->dev.bus_id);
+		return -ENOMEM;
+	}
+
+	hostdata->dev = &dev->dev;
+	dma_set_mask(&dev->dev, DMA_32BIT_MASK);
+	hostdata->base = ioremap_nocache(CPHYSADDR(base), 0x100);
+	hostdata->differential = 0;
+
+	hostdata->clock = SNIRM710_CLOCK;
+	hostdata->force_le_on_be = 1;
+	hostdata->chip710 = 1;
+	hostdata->burst_length = 4;
+
+	host = NCR_700_detect(&snirm710_template, hostdata, &dev->dev);
+	if (!host)
+		goto out_kfree;
+	host->this_id = 7;
+	host->base = base;
+	host->irq = platform_get_irq(dev, 0);
+	if(request_irq(host->irq, NCR_700_intr, SA_SHIRQ, "snirm710", host)) {
+		printk(KERN_ERR "snirm710: request_irq failed!\n");
+		goto out_put_host;
+	}
+
+	dev_set_drvdata(&dev->dev, host);
+	scsi_scan_host(host);
+
+	return 0;
+
+ out_put_host:
+	scsi_host_put(host);
+ out_kfree:
+	iounmap(hostdata->base);
+	kfree(hostdata);
+	return -ENODEV;
+}
+
+static int __exit snirm710_driver_remove(struct platform_device *dev)
+{
+	struct Scsi_Host *host = dev_get_drvdata(&dev->dev);
+	struct NCR_700_Host_Parameters *hostdata =
+		(struct NCR_700_Host_Parameters *)host->hostdata[0];
+
+	scsi_remove_host(host);
+	NCR_700_release(host);
+	free_irq(host->irq, host);
+	iounmap(hostdata->base);
+	kfree(hostdata);
+
+	return 0;
+}
+
+static struct platform_driver snirm710_driver = {
+	.probe	= snirm710_probe,
+	.remove	= __devexit_p(snirm710_driver_remove),
+	.driver	= {
+		.name	= "snirm_53c710",
+	},
+};
+
+static int __init snirm710_init(void)
+{
+	int err;
+
+	if ((err = platform_driver_register(&snirm710_driver))) {
+		printk(KERN_ERR "Driver registration failed\n");
+		return err;
+	}
+	return 0;
+}
+
+static void __exit snirm710_exit(void)
+{
+	platform_driver_unregister(&snirm710_driver);
+}
+
+module_init(snirm710_init);
+module_exit(snirm710_exit);
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 488ec7948a5..3d2e02381e9 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -9,7 +9,7 @@
    Steve Hirsch, Andreas Koppenh"ofer, Michael Leodolter, Eyal Lebedinsky,
    Michael Schaefer, J"org Weule, and Eric Youngdale.
 
-   Copyright 1992 - 2006 Kai Makisara
+   Copyright 1992 - 2007 Kai Makisara
    email Kai.Makisara@kolumbus.fi
 
    Some small formal changes - aeb, 950809
@@ -17,7 +17,7 @@
    Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
  */
 
-static const char *verstr = "20061107";
+static const char *verstr = "20070203";
 
 #include <linux/module.h>
 
@@ -1168,6 +1168,7 @@ static int st_open(struct inode *inode, struct file *filp)
 		STps = &(STp->ps[i]);
 		STps->rw = ST_IDLE;
 	}
+	STp->try_dio_now = STp->try_dio;
 	STp->recover_count = 0;
 	DEB( STp->nbr_waits = STp->nbr_finished = 0;
 	     STp->nbr_requests = STp->nbr_dio = STp->nbr_pages = STp->nbr_combinable = 0; )
@@ -1400,9 +1401,9 @@ static int setup_buffering(struct scsi_tape *STp, const char __user *buf,
 	struct st_buffer *STbp = STp->buffer;
 
 	if (is_read)
-		i = STp->try_dio && try_rdio;
+		i = STp->try_dio_now && try_rdio;
 	else
-		i = STp->try_dio && try_wdio;
+		i = STp->try_dio_now && try_wdio;
 
 	if (i && ((unsigned long)buf & queue_dma_alignment(
 					STp->device->request_queue)) == 0) {
@@ -1599,7 +1600,7 @@ st_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
 			STm->do_async_writes && STps->eof < ST_EOM_OK;
 
 		if (STp->block_size != 0 && STm->do_buffer_writes &&
-		    !(STp->try_dio && try_wdio) && STps->eof < ST_EOM_OK &&
+		    !(STp->try_dio_now && try_wdio) && STps->eof < ST_EOM_OK &&
 		    STbp->buffer_bytes < STbp->buffer_size) {
 			STp->dirty = 1;
 			/* Don't write a buffer that is not full enough. */
@@ -1769,7 +1770,7 @@ static long read_tape(struct scsi_tape *STp, long count,
 	if (STp->block_size == 0)
 		blks = bytes = count;
 	else {
-		if (!(STp->try_dio && try_rdio) && STm->do_read_ahead) {
+		if (!(STp->try_dio_now && try_rdio) && STm->do_read_ahead) {
 			blks = (STp->buffer)->buffer_blocks;
 			bytes = blks * STp->block_size;
 		} else {
@@ -1948,10 +1949,12 @@ st_read(struct file *filp, char __user *buf, size_t count, loff_t * ppos)
 		goto out;
 
 	STm = &(STp->modes[STp->current_mode]);
-	if (!(STm->do_read_ahead) && STp->block_size != 0 &&
-	    (count % STp->block_size) != 0) {
-		retval = (-EINVAL);	/* Read must be integral number of blocks */
-		goto out;
+	if (STp->block_size != 0 && (count % STp->block_size) != 0) {
+		if (!STm->do_read_ahead) {
+			retval = (-EINVAL);	/* Read must be integral number of blocks */
+			goto out;
+		}
+		STp->try_dio_now = 0;  /* Direct i/o can't handle split blocks */
 	}
 
 	STps = &(STp->ps[STp->partition]);
@@ -3861,7 +3864,7 @@ __setup("st=", st_setup);
 
 #endif
 
-static struct file_operations st_fops =
+static const struct file_operations st_fops =
 {
 	.owner =	THIS_MODULE,
 	.read =		st_read,
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 05a5cae126e..50f3deb1f9e 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -117,7 +117,8 @@ struct scsi_tape {
 	unsigned char cln_sense_value;
 	unsigned char cln_sense_mask;
 	unsigned char use_pf;			/* Set Page Format bit in all mode selects? */
-	unsigned char try_dio;			/* try direct i/o? */
+	unsigned char try_dio;			/* try direct i/o in general? */
+	unsigned char try_dio_now;		/* try direct i/o before next close? */
 	unsigned char c_algo;			/* compression algorithm */
 	unsigned char pos_unknown;			/* after reset position unknown */
 	int tape_type;