86 files changed, 5044 insertions, 8118 deletions

diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 973c51fb0fe2..ae9e0203e9de 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -1499,22 +1499,43 @@ static int tw_scsiop_inquiry(TW_Device_Extension *tw_dev, int request_id)
         return 0;
 } /* End tw_scsiop_inquiry() */
 
+static void tw_transfer_internal(TW_Device_Extension *tw_dev, int request_id,
+                                 void *data, unsigned int len)
+{
+        struct scsi_cmnd *cmd = tw_dev->srb[request_id];
+        void *buf;
+        unsigned int transfer_len;
+
+        if (cmd->use_sg) {
+                struct scatterlist *sg =
+                        (struct scatterlist *)cmd->request_buffer;
+                buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+                transfer_len = min(sg->length, len);
+        } else {
+                buf = cmd->request_buffer;
+                transfer_len = min(cmd->request_bufflen, len);
+        }
+
+        memcpy(buf, data, transfer_len);
+        
+        if (cmd->use_sg) {
+                struct scatterlist *sg;
+
+                sg = (struct scatterlist *)cmd->request_buffer;
+                kunmap_atomic(buf - sg->offset, KM_IRQ0);
+        }
+}
+
 /* This function is called by the isr to complete an inquiry command */
 static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_id)
 {
         unsigned char *is_unit_present;
-        unsigned char *request_buffer;
+        unsigned char request_buffer[36];
         TW_Param *param;
 
         dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_inquiry_complete()\n");
 
-        /* Fill request buffer */
-        if (tw_dev->srb[request_id]->request_buffer == NULL) {
-                printk(KERN_WARNING "3w-xxxx: tw_scsiop_inquiry_complete(): Request buffer NULL.\n");
-                return 1;
-        }
-        request_buffer = tw_dev->srb[request_id]->request_buffer;
-        memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
+        memset(request_buffer, 0, sizeof(request_buffer));
         request_buffer[0] = TYPE_DISK; /* Peripheral device type */
         request_buffer[1] = 0;         /* Device type modifier */
         request_buffer[2] = 0;         /* No ansi/iso compliance */
@@ -1522,6 +1543,8 @@ static int tw_scsiop_inquiry_complete(TW_Device_Extension *tw_dev, int request_i
         memcpy(&request_buffer[8], "3ware   ", 8);       /* Vendor ID */
         sprintf(&request_buffer[16], "Logical Disk %-2d ", tw_dev->srb[request_id]->device->id);
         memcpy(&request_buffer[32], TW_DRIVER_VERSION, 3);
+        tw_transfer_internal(tw_dev, request_id, request_buffer,
+                             sizeof(request_buffer));
 
         param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
         if (param == NULL) {
@@ -1612,7 +1635,7 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques
 {
         TW_Param *param;
         unsigned char *flags;
-        unsigned char *request_buffer;
+        unsigned char request_buffer[8];
 
         dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_mode_sense_complete()\n");
 
@@ -1622,8 +1645,7 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques
                 return 1;
         }
         flags = (char *)&(param->data[0]);
-        request_buffer = tw_dev->srb[request_id]->buffer;
-        memset(request_buffer, 0, tw_dev->srb[request_id]->request_bufflen);
+        memset(request_buffer, 0, sizeof(request_buffer));
 
         request_buffer[0] = 0xf;        /* mode data length */
         request_buffer[1] = 0;          /* default medium type */
@@ -1635,6 +1657,8 @@ static int tw_scsiop_mode_sense_complete(TW_Device_Extension *tw_dev, int reques
                 request_buffer[6] = 0x4;        /* WCE on */
         else
                 request_buffer[6] = 0x0;        /* WCE off */
+        tw_transfer_internal(tw_dev, request_id, request_buffer,
+                             sizeof(request_buffer));
 
         return 0;
 } /* End tw_scsiop_mode_sense_complete() */
@@ -1701,17 +1725,12 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req
 {
         unsigned char *param_data;
         u32 capacity;
-        char *buff;
+        char buff[8];
         TW_Param *param;
 
         dprintk(KERN_NOTICE "3w-xxxx: tw_scsiop_read_capacity_complete()\n");
 
-        buff = tw_dev->srb[request_id]->request_buffer;
-        if (buff == NULL) {
-                printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Request buffer NULL.\n");
-                return 1;
-        }
-        memset(buff, 0, tw_dev->srb[request_id]->request_bufflen);
+        memset(buff, 0, sizeof(buff));
         param = (TW_Param *)tw_dev->alignment_virtual_address[request_id];
         if (param == NULL) {
                 printk(KERN_WARNING "3w-xxxx: tw_scsiop_read_capacity_complete(): Bad alignment virtual address.\n");
@@ -1739,6 +1758,8 @@ static int tw_scsiop_read_capacity_complete(TW_Device_Extension *tw_dev, int req
         buff[6] = (TW_BLOCK_SIZE >> 8) & 0xff;
         buff[7] = TW_BLOCK_SIZE & 0xff;
 
+        tw_transfer_internal(tw_dev, request_id, buff, sizeof(buff));
+
         return 0;
 } /* End tw_scsiop_read_capacity_complete() */
 
diff --git a/drivers/scsi/Kconfig b/drivers/scsi/Kconfig
index a261b9eea139..2d21265e650b 100644
--- a/drivers/scsi/Kconfig
+++ b/drivers/scsi/Kconfig
@@ -1,5 +1,11 @@
 menu "SCSI device support"
 
+config RAID_ATTRS
+        tristate "RAID Transport Class"
+        default n
+        ---help---
+          Provides RAID
+
 config SCSI
         tristate "SCSI device support"
         ---help---
diff --git a/drivers/scsi/Makefile b/drivers/scsi/Makefile
index c662b8c8cc6d..4b4fd94c2674 100644
--- a/drivers/scsi/Makefile
+++ b/drivers/scsi/Makefile
@@ -22,6 +22,8 @@ subdir-$(CONFIG_PCMCIA)		+= pcmcia
 
 obj-$(CONFIG_SCSI)              += scsi_mod.o
 
+obj-$(CONFIG_RAID_ATTRS)        += raid_class.o
+
 # --- NOTE ORDERING HERE ---
 # For kernel non-modular link, transport attributes need to
 # be initialised before drivers
diff --git a/drivers/scsi/aacraid/aachba.c b/drivers/scsi/aacraid/aachba.c
index ccdf440021fb..a8e3dfcd0dc7 100644
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -133,6 +133,7 @@ struct inquiry_data {
  
 static unsigned long aac_build_sg(struct scsi_cmnd* scsicmd, struct sgmap* sgmap);
 static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* psg);
+static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg);
 static int aac_send_srb_fib(struct scsi_cmnd* scsicmd);
 #ifdef AAC_DETAILED_STATUS_INFO
 static char *aac_get_status_string(u32 status);
@@ -348,6 +349,27 @@ static void aac_io_done(struct scsi_cmnd * scsicmd)
         spin_unlock_irqrestore(host->host_lock, cpu_flags);
 }
 
+static void aac_internal_transfer(struct scsi_cmnd *scsicmd, void *data, unsigned int offset, unsigned int len)
+{
+        void *buf;
+        unsigned int transfer_len;
+        struct scatterlist *sg = scsicmd->request_buffer;
+
+        if (scsicmd->use_sg) {
+                buf = kmap_atomic(sg->page, KM_IRQ0) + sg->offset;
+                transfer_len = min(sg->length, len + offset);
+        } else {
+                buf = scsicmd->request_buffer;
+                transfer_len = min(scsicmd->request_bufflen, len + offset);
+        }
+
+        memcpy(buf + offset, data, transfer_len - offset);
+
+        if (scsicmd->use_sg) 
+                kunmap_atomic(buf - sg->offset, KM_IRQ0);
+
+}
+
 static void get_container_name_callback(void *context, struct fib * fibptr)
 {
         struct aac_get_name_resp * get_name_reply;
@@ -363,18 +385,22 @@ static void get_container_name_callback(void *context, struct fib * fibptr)
         /* Failure is irrelevant, using default value instead */
         if ((le32_to_cpu(get_name_reply->status) == CT_OK)
          && (get_name_reply->data[0] != '\0')) {
-                int    count;
-                char * dp;
-                char * sp = get_name_reply->data;
+                char *sp = get_name_reply->data;
                 sp[sizeof(((struct aac_get_name_resp *)NULL)->data)-1] = '\0';
                 while (*sp == ' ')
                         ++sp;
-                count = sizeof(((struct inquiry_data *)NULL)->inqd_pid);
-                dp = ((struct inquiry_data *)scsicmd->request_buffer)->inqd_pid;
-                if (*sp) do {
-                        *dp++ = (*sp) ? *sp++ : ' ';
-                } while (--count > 0);
+                if (*sp) {
+                        char d[sizeof(((struct inquiry_data *)NULL)->inqd_pid)];
+                        int count = sizeof(d);
+                        char *dp = d;
+                        do {
+                                *dp++ = (*sp) ? *sp++ : ' ';
+                        } while (--count > 0);
+                        aac_internal_transfer(scsicmd, d, 
+                          offsetof(struct inquiry_data, inqd_pid), sizeof(d));
+                }
         }
+
         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
 
         fib_complete(fibptr);
@@ -777,34 +803,36 @@ int aac_get_adapter_info(struct aac_dev* dev)
         /* 
          * 57 scatter gather elements 
          */
-        dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
-                sizeof(struct aac_fibhdr) -
-                sizeof(struct aac_write) + sizeof(struct sgmap)) /
-                        sizeof(struct sgmap);
-        if (dev->dac_support) {
-                /* 
-                 * 38 scatter gather elements 
-                 */
-                dev->scsi_host_ptr->sg_tablesize =
-                        (dev->max_fib_size -
+        if (!(dev->raw_io_interface)) {
+                dev->scsi_host_ptr->sg_tablesize = (dev->max_fib_size -
                         sizeof(struct aac_fibhdr) -
-                        sizeof(struct aac_write64) +
-                        sizeof(struct sgmap64)) /
-                                sizeof(struct sgmap64);
-        }
-        dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
-        if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
-                /*
-                 * Worst case size that could cause sg overflow when
-                 * we break up SG elements that are larger than 64KB.
-                 * Would be nice if we could tell the SCSI layer what
-                 * the maximum SG element size can be. Worst case is
-                 * (sg_tablesize-1) 4KB elements with one 64KB
-                 * element.
-                 *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
-                 */
-                dev->scsi_host_ptr->max_sectors =
-                  (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+                        sizeof(struct aac_write) + sizeof(struct sgmap)) /
+                                sizeof(struct sgmap);
+                if (dev->dac_support) {
+                        /* 
+                         * 38 scatter gather elements 
+                         */
+                        dev->scsi_host_ptr->sg_tablesize =
+                                (dev->max_fib_size -
+                                sizeof(struct aac_fibhdr) -
+                                sizeof(struct aac_write64) +
+                                sizeof(struct sgmap64)) /
+                                        sizeof(struct sgmap64);
+                }
+                dev->scsi_host_ptr->max_sectors = AAC_MAX_32BIT_SGBCOUNT;
+                if(!(dev->adapter_info.options & AAC_OPT_NEW_COMM)) {
+                        /*
+                         * Worst case size that could cause sg overflow when
+                         * we break up SG elements that are larger than 64KB.
+                         * Would be nice if we could tell the SCSI layer what
+                         * the maximum SG element size can be. Worst case is
+                         * (sg_tablesize-1) 4KB elements with one 64KB
+                         * element.
+                         *      32bit -> 468 or 238KB   64bit -> 424 or 212KB
+                         */
+                        dev->scsi_host_ptr->max_sectors =
+                          (dev->scsi_host_ptr->sg_tablesize * 8) + 112;
+                }
         }
 
         fib_complete(fibptr);
@@ -814,12 +842,11 @@ int aac_get_adapter_info(struct aac_dev* dev)
 }
 
 
-static void read_callback(void *context, struct fib * fibptr)
+static void io_callback(void *context, struct fib * fibptr)
 {
         struct aac_dev *dev;
         struct aac_read_reply *readreply;
         struct scsi_cmnd *scsicmd;
-        u32 lba;
         u32 cid;
 
         scsicmd = (struct scsi_cmnd *) context;
@@ -827,8 +854,7 @@ static void read_callback(void *context, struct fib * fibptr)
         dev = (struct aac_dev *)scsicmd->device->host->hostdata;
         cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
 
-        lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
-        dprintk((KERN_DEBUG "read_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
+        dprintk((KERN_DEBUG "io_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3], jiffies));
 
         if (fibptr == NULL)
                 BUG();
@@ -847,7 +873,7 @@ static void read_callback(void *context, struct fib * fibptr)
                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
         else {
 #ifdef AAC_DETAILED_STATUS_INFO
-                printk(KERN_WARNING "read_callback: io failed, status = %d\n",
+                printk(KERN_WARNING "io_callback: io failed, status = %d\n",
                   le32_to_cpu(readreply->status));
 #endif
                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_CHECK_CONDITION;
@@ -867,53 +893,6 @@ static void read_callback(void *context, struct fib * fibptr)
         aac_io_done(scsicmd);
 }
 
-static void write_callback(void *context, struct fib * fibptr)
-{
-        struct aac_dev *dev;
-        struct aac_write_reply *writereply;
-        struct scsi_cmnd *scsicmd;
-        u32 lba;
-        u32 cid;
-
-        scsicmd = (struct scsi_cmnd *) context;
-        dev = (struct aac_dev *)scsicmd->device->host->hostdata;
-        cid = ID_LUN_TO_CONTAINER(scsicmd->device->id, scsicmd->device->lun);
-
-        lba = ((scsicmd->cmnd[1] & 0x1F) << 16) | (scsicmd->cmnd[2] << 8) | scsicmd->cmnd[3];
-        dprintk((KERN_DEBUG "write_callback[cpu %d]: lba = %u, t = %ld.\n", smp_processor_id(), lba, jiffies));
-        if (fibptr == NULL)
-                BUG();
-
-        if(scsicmd->use_sg)
-                pci_unmap_sg(dev->pdev, 
-                        (struct scatterlist *)scsicmd->buffer,
-                        scsicmd->use_sg,
-                        scsicmd->sc_data_direction);
-        else if(scsicmd->request_bufflen)
-                pci_unmap_single(dev->pdev, scsicmd->SCp.dma_handle,
-                                 scsicmd->request_bufflen,
-                                 scsicmd->sc_data_direction);
-
-        writereply = (struct aac_write_reply *) fib_data(fibptr);
-        if (le32_to_cpu(writereply->status) == ST_OK)
-                scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
-        else {
-                printk(KERN_WARNING "write_callback: write failed, status = %d\n", writereply->status);
-                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(struct sense_data));
-        }
-
-        fib_complete(fibptr);
-        fib_free(fibptr);
-        aac_io_done(scsicmd);
-}
-
 static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 {
         u32 lba;
@@ -954,7 +933,32 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
 
         fib_init(cmd_fibcontext);
 
-        if (dev->dac_support == 1) {
+        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(lba);
+                readcmd->block[1] = 0;
+                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));
+                if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+                        BUG();
+                /*
+                 *      Now send the Fib to the adapter
+                 */
+                status = 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);
@@ -968,7 +972,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
                 fibsize = sizeof(struct aac_read64) + 
                         ((le32_to_cpu(readcmd->sg.count) - 1) * 
                          sizeof (struct sgentry64));
-                BUG_ON (fibsize > (sizeof(struct hw_fib) - 
+                BUG_ON (fibsize > (dev->max_fib_size - 
                                         sizeof(struct aac_fibhdr)));
                 /*
                  *      Now send the Fib to the adapter
@@ -978,7 +982,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
                           fibsize, 
                           FsaNormal, 
                           0, 1, 
-                          (fib_callback) read_callback, 
+                          (fib_callback) io_callback, 
                           (void *) scsicmd);
         } else {
                 struct aac_read *readcmd;
@@ -1002,7 +1006,7 @@ static int aac_read(struct scsi_cmnd * scsicmd, int cid)
                           fibsize, 
                           FsaNormal, 
                           0, 1, 
-                          (fib_callback) read_callback, 
+                          (fib_callback) io_callback, 
                           (void *) scsicmd);
         }
 
@@ -1061,7 +1065,32 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
         }
         fib_init(cmd_fibcontext);
 
-        if(dev->dac_support == 1) {
+        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(lba);
+                writecmd->block[1] = 0;
+                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));
+                if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
+                        BUG();
+                /*
+                 *      Now send the Fib to the adapter
+                 */
+                status = 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);
@@ -1085,7 +1114,7 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
                           fibsize, 
                           FsaNormal, 
                           0, 1, 
-                          (fib_callback) write_callback, 
+                          (fib_callback) io_callback, 
                           (void *) scsicmd);
         } else {
                 struct aac_write *writecmd;
@@ -1111,7 +1140,7 @@ static int aac_write(struct scsi_cmnd * scsicmd, int cid)
                           fibsize, 
                           FsaNormal, 
                           0, 1, 
-                          (fib_callback) write_callback, 
+                          (fib_callback) io_callback, 
                           (void *) scsicmd);
         }
 
@@ -1340,44 +1369,45 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
         switch (scsicmd->cmnd[0]) {
         case INQUIRY:
         {
-                struct inquiry_data *inq_data_ptr;
+                struct inquiry_data inq_data;
 
                 dprintk((KERN_DEBUG "INQUIRY command, ID: %d.\n", scsicmd->device->id));
-                inq_data_ptr = (struct inquiry_data *)scsicmd->request_buffer;
-                memset(inq_data_ptr, 0, sizeof (struct inquiry_data));
+                memset(&inq_data, 0, sizeof (struct inquiry_data));
 
-                inq_data_ptr->inqd_ver = 2;     /* claim compliance to SCSI-2 */
-                inq_data_ptr->inqd_dtq = 0x80;  /* set RMB bit to one indicating that the medium is removable */
-                inq_data_ptr->inqd_rdf = 2;     /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
-                inq_data_ptr->inqd_len = 31;
+                inq_data.inqd_ver = 2;  /* claim compliance to SCSI-2 */
+                inq_data.inqd_dtq = 0x80;       /* set RMB bit to one indicating that the medium is removable */
+                inq_data.inqd_rdf = 2;  /* A response data format value of two indicates that the data shall be in the format specified in SCSI-2 */
+                inq_data.inqd_len = 31;
                 /*Format for "pad2" is  RelAdr | WBus32 | WBus16 |  Sync  | Linked |Reserved| CmdQue | SftRe */
-                inq_data_ptr->inqd_pad2= 0x32 ;  /*WBus16|Sync|CmdQue */
+                inq_data.inqd_pad2= 0x32 ;       /*WBus16|Sync|CmdQue */
                 /*
                  *      Set the Vendor, Product, and Revision Level
                  *      see: <vendor>.c i.e. aac.c
                  */
                 if (scsicmd->device->id == host->this_id) {
-                        setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), (sizeof(container_types)/sizeof(char *)));
-                        inq_data_ptr->inqd_pdt = INQD_PDT_PROC; /* Processor device */
+                        setinqstr(cardtype, (void *) (inq_data.inqd_vid), (sizeof(container_types)/sizeof(char *)));
+                        inq_data.inqd_pdt = INQD_PDT_PROC;      /* Processor device */
+                        aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
                         scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                         scsicmd->scsi_done(scsicmd);
                         return 0;
                 }
-                setinqstr(cardtype, (void *) (inq_data_ptr->inqd_vid), fsa_dev_ptr[cid].type);
-                inq_data_ptr->inqd_pdt = INQD_PDT_DA;   /* Direct/random access device */
+                setinqstr(cardtype, (void *) (inq_data.inqd_vid), fsa_dev_ptr[cid].type);
+                inq_data.inqd_pdt = INQD_PDT_DA;        /* Direct/random access device */
+                aac_internal_transfer(scsicmd, &inq_data, 0, sizeof(inq_data));
                 return aac_get_container_name(scsicmd, cid);
         }
         case READ_CAPACITY:
         {
                 u32 capacity;
-                char *cp;
+                char cp[8];
 
                 dprintk((KERN_DEBUG "READ CAPACITY command.\n"));
                 if (fsa_dev_ptr[cid].size <= 0x100000000LL)
                         capacity = fsa_dev_ptr[cid].size - 1;
                 else
                         capacity = (u32)-1;
-                cp = scsicmd->request_buffer;
+
                 cp[0] = (capacity >> 24) & 0xff;
                 cp[1] = (capacity >> 16) & 0xff;
                 cp[2] = (capacity >> 8) & 0xff;
@@ -1386,6 +1416,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                 cp[5] = 0;
                 cp[6] = 2;
                 cp[7] = 0;
+                aac_internal_transfer(scsicmd, cp, 0, sizeof(cp));
 
                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                 scsicmd->scsi_done(scsicmd);
@@ -1395,15 +1426,15 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
 
         case MODE_SENSE:
         {
-                char *mode_buf;
+                char mode_buf[4];
 
                 dprintk((KERN_DEBUG "MODE SENSE command.\n"));
-                mode_buf = scsicmd->request_buffer;
                 mode_buf[0] = 3;        /* Mode data length */
                 mode_buf[1] = 0;        /* Medium type - default */
                 mode_buf[2] = 0;        /* Device-specific param, bit 8: 0/1 = write enabled/protected */
                 mode_buf[3] = 0;        /* Block descriptor length */
 
+                aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                 scsicmd->scsi_done(scsicmd);
 
@@ -1411,10 +1442,9 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
         }
         case MODE_SENSE_10:
         {
-                char *mode_buf;
+                char mode_buf[8];
 
                 dprintk((KERN_DEBUG "MODE SENSE 10 byte command.\n"));
-                mode_buf = scsicmd->request_buffer;
                 mode_buf[0] = 0;        /* Mode data length (MSB) */
                 mode_buf[1] = 6;        /* Mode data length (LSB) */
                 mode_buf[2] = 0;        /* Medium type - default */
@@ -1423,6 +1453,7 @@ int aac_scsi_cmd(struct scsi_cmnd * scsicmd)
                 mode_buf[5] = 0;        /* reserved */
                 mode_buf[6] = 0;        /* Block descriptor length (MSB) */
                 mode_buf[7] = 0;        /* Block descriptor length (LSB) */
+                aac_internal_transfer(scsicmd, mode_buf, 0, sizeof(mode_buf));
 
                 scsicmd->result = DID_OK << 16 | COMMAND_COMPLETE << 8 | SAM_STAT_GOOD;
                 scsicmd->scsi_done(scsicmd);
@@ -1894,7 +1925,7 @@ static int aac_send_srb_fib(struct scsi_cmnd* scsicmd)
         srbcmd->id   = cpu_to_le32(scsicmd->device->id);
         srbcmd->lun      = cpu_to_le32(scsicmd->device->lun);
         srbcmd->flags    = cpu_to_le32(flag);
-        timeout = (scsicmd->timeout-jiffies)/HZ;
+        timeout = scsicmd->timeout_per_command/HZ;
         if(timeout == 0){
                 timeout = 1;
         }
@@ -2077,6 +2108,76 @@ static unsigned long aac_build_sg64(struct scsi_cmnd* scsicmd, struct sgmap64* p
         return byte_count;
 }
 
+static unsigned long aac_build_sgraw(struct scsi_cmnd* scsicmd, struct sgmapraw* psg)
+{
+        struct Scsi_Host *host = scsicmd->device->host;
+        struct aac_dev *dev = (struct aac_dev *)host->hostdata;
+        unsigned long byte_count = 0;
+
+        // Get rid of old data
+        psg->count = 0;
+        psg->sg[0].next = 0;
+        psg->sg[0].prev = 0;
+        psg->sg[0].addr[0] = 0;
+        psg->sg[0].addr[1] = 0;
+        psg->sg[0].count = 0;
+        psg->sg[0].flags = 0;
+        if (scsicmd->use_sg) {
+                struct scatterlist *sg;
+                int i;
+                int sg_count;
+                sg = (struct scatterlist *) scsicmd->request_buffer;
+
+                sg_count = pci_map_sg(dev->pdev, sg, scsicmd->use_sg,
+                        scsicmd->sc_data_direction);
+
+                for (i = 0; i < sg_count; i++) {
+                        int count = sg_dma_len(sg);
+                        u64 addr = sg_dma_address(sg);
+                        psg->sg[i].next = 0;
+                        psg->sg[i].prev = 0;
+                        psg->sg[i].addr[1] = cpu_to_le32((u32)(addr>>32));
+                        psg->sg[i].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+                        psg->sg[i].count = cpu_to_le32(count);
+                        psg->sg[i].flags = 0;
+                        byte_count += count;
+                        sg++;
+                }
+                psg->count = cpu_to_le32(sg_count);
+                /* hba wants the size to be exact */
+                if(byte_count > scsicmd->request_bufflen){
+                        u32 temp = le32_to_cpu(psg->sg[i-1].count) - 
+                                (byte_count - scsicmd->request_bufflen);
+                        psg->sg[i-1].count = cpu_to_le32(temp);
+                        byte_count = scsicmd->request_bufflen;
+                }
+                /* Check for command underflow */
+                if(scsicmd->underflow && (byte_count < scsicmd->underflow)){
+                        printk(KERN_WARNING"aacraid: cmd len %08lX cmd underflow %08X\n",
+                                        byte_count, scsicmd->underflow);
+                }
+        }
+        else if(scsicmd->request_bufflen) {
+                int count;
+                u64 addr;
+                scsicmd->SCp.dma_handle = pci_map_single(dev->pdev,
+                                scsicmd->request_buffer,
+                                scsicmd->request_bufflen,
+                                scsicmd->sc_data_direction);
+                addr = scsicmd->SCp.dma_handle;
+                count = scsicmd->request_bufflen;
+                psg->count = cpu_to_le32(1);
+                psg->sg[0].next = 0;
+                psg->sg[0].prev = 0;
+                psg->sg[0].addr[1] = cpu_to_le32((u32)(addr>>32));
+                psg->sg[0].addr[0] = cpu_to_le32((u32)(addr & 0xffffffff));
+                psg->sg[0].count = cpu_to_le32(count);
+                psg->sg[0].flags = 0;
+                byte_count = scsicmd->request_bufflen;
+        }
+        return byte_count;
+}
+
 #ifdef AAC_DETAILED_STATUS_INFO
 
 struct aac_srb_status_info {
diff --git a/drivers/scsi/aacraid/aacraid.h b/drivers/scsi/aacraid/aacraid.h
index 4ab07861b457..e40528185d48 100644
--- a/drivers/scsi/aacraid/aacraid.h
+++ b/drivers/scsi/aacraid/aacraid.h
@@ -110,6 +110,22 @@ struct user_sgentry64 {
         u32     count;  /* Length. */
 };
 
+struct sgentryraw {
+        __le32          next;   /* reserved for F/W use */
+        __le32          prev;   /* reserved for F/W use */
+        __le32          addr[2];
+        __le32          count;
+        __le32          flags;  /* reserved for F/W use */
+};
+
+struct user_sgentryraw {
+        u32             next;   /* reserved for F/W use */
+        u32             prev;   /* reserved for F/W use */
+        u32             addr[2];
+        u32             count;
+        u32             flags;  /* reserved for F/W use */
+};
+
 /*
  *      SGMAP
  *
@@ -137,6 +153,16 @@ struct user_sgmap64 {
         struct user_sgentry64 sg[1];
 };
 
+struct sgmapraw {
+        __le32            count;
+        struct sgentryraw sg[1];
+};
+
+struct user_sgmapraw {
+        u32               count;
+        struct user_sgentryraw sg[1];
+};
+
 struct creation_info
 {
         u8              buildnum;               /* e.g., 588 */
@@ -351,6 +377,7 @@ struct hw_fib {
  */
 #define         ContainerCommand                500
 #define         ContainerCommand64              501
+#define         ContainerRawIo                  502
 /*
  *      Cluster Commands
  */
@@ -456,6 +483,7 @@ struct adapter_ops
 {
         void (*adapter_interrupt)(struct aac_dev *dev);
         void (*adapter_notify)(struct aac_dev *dev, u32 event);
+        void (*adapter_disable_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);
 };
@@ -981,6 +1009,9 @@ struct aac_dev
         u8                      nondasd_support; 
         u8                      dac_support;
         u8                      raid_scsi_mode;
+        /* macro side-effects BEWARE */
+#       define                  raw_io_interface \
+          init->InitStructRevision==cpu_to_le32(ADAPTER_INIT_STRUCT_REVISION_4)
         u8                      printf_enabled;
 };
 
@@ -990,6 +1021,9 @@ struct aac_dev
 #define aac_adapter_notify(dev, event) \
         (dev)->a_ops.adapter_notify(dev, event)
 
+#define aac_adapter_disable_int(dev) \
+        (dev)->a_ops.adapter_disable_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)
 
@@ -1156,6 +1190,17 @@ struct aac_write_reply
         __le32          committed;
 };
 
+struct aac_raw_io
+{
+        __le32          block[2];
+        __le32          count;
+        __le16          cid;
+        __le16          flags;          /* 00 W, 01 R */
+        __le16          bpTotal;        /* reserved for F/W use */
+        __le16          bpComplete;     /* reserved for F/W use */
+        struct sgmapraw sg;
+};
+
 #define CT_FLUSH_CACHE 129
 struct aac_synchronize {
         __le32          command;        /* VM_ContainerConfig */
@@ -1196,7 +1241,7 @@ struct aac_srb
 };
 
 /*
- * This and assocated data structs are used by the 
+ * This and associated data structs are used by the
  * ioctl caller and are in cpu order.
  */
 struct user_aac_srb
@@ -1508,11 +1553,12 @@ struct fib_ioctl
 
 struct revision
 {
-        u32 compat;
-        u32 version;
-        u32 build;
+        __le32 compat;
+        __le32 version;
+        __le32 build;
 };
         
+
 /*
  *      Ugly - non Linux like ioctl coding for back compat.
  */
@@ -1733,3 +1779,4 @@ int aac_get_adapter_info(struct aac_dev* dev);
 int aac_send_shutdown(struct aac_dev *dev);
 extern int numacb;
 extern int acbsize;
+extern char aac_driver_version[];
diff --git a/drivers/scsi/aacraid/commctrl.c b/drivers/scsi/aacraid/commctrl.c
index 85387099aab2..71f1cad9b5f0 100644
--- a/drivers/scsi/aacraid/commctrl.c
+++ b/drivers/scsi/aacraid/commctrl.c
@@ -287,7 +287,6 @@ return_fib:
                 kfree(fib->hw_fib);
                 kfree(fib);
                 status = 0;
-                fibctx->jiffies = jiffies/HZ;
         } else {
                 spin_unlock_irqrestore(&dev->fib_lock, flags);
                 if (f.wait) {
@@ -302,6 +301,7 @@ return_fib:
                         status = -EAGAIN;
                 }       
         }
+        fibctx->jiffies = jiffies/HZ;
         return status;
 }
 
@@ -405,10 +405,20 @@ static int close_getadapter_fib(struct aac_dev * dev, void __user *arg)
 static int check_revision(struct aac_dev *dev, void __user *arg)
 {
         struct revision response;
-
-        response.compat = 1;
-        response.version = le32_to_cpu(dev->adapter_info.kernelrev);
-        response.build = le32_to_cpu(dev->adapter_info.kernelbuild);
+        char *driver_version = aac_driver_version;
+        u32 version;
+
+        response.compat = cpu_to_le32(1);
+        version = (simple_strtol(driver_version, 
+                                &driver_version, 10) << 24) | 0x00000400;
+        version += simple_strtol(driver_version + 1, &driver_version, 10) << 16;
+        version += simple_strtol(driver_version + 1, NULL, 10);
+        response.version = cpu_to_le32(version);
+#       if (defined(AAC_DRIVER_BUILD))
+                response.build = cpu_to_le32(AAC_DRIVER_BUILD);
+#       else
+                response.build = cpu_to_le32(9999);
+#       endif
 
         if (copy_to_user(arg, &response, sizeof(response)))
                 return -EFAULT;
diff --git a/drivers/scsi/aacraid/comminit.c b/drivers/scsi/aacraid/comminit.c
index 43557bf661f6..75abd0453289 100644
--- a/drivers/scsi/aacraid/comminit.c
+++ b/drivers/scsi/aacraid/comminit.c
@@ -44,7 +44,9 @@
 
 #include "aacraid.h"
 
-struct aac_common aac_config;
+struct aac_common aac_config = {
+        .irq_mod = 1
+};
 
 static int aac_alloc_comm(struct aac_dev *dev, void **commaddr, unsigned long commsize, unsigned long commalign)
 {
diff --git a/drivers/scsi/aacraid/commsup.c b/drivers/scsi/aacraid/commsup.c
index 5322865942e2..a1d303f03480 100644
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -254,6 +254,7 @@ static void fib_dealloc(struct fib * fibptr)
 static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entry, u32 * index, unsigned long *nonotify)
 {
         struct aac_queue * q;
+        unsigned long idx;
 
         /*
          *      All of the queues wrap when they reach the end, so we check
@@ -263,10 +264,23 @@ static int aac_get_entry (struct aac_dev * dev, u32 qid, struct aac_entry **entr
          */
 
         q = &dev->queues->queue[qid];
-        
-        *index = le32_to_cpu(*(q->headers.producer));
-        if ((*index - 2) == le32_to_cpu(*(q->headers.consumer)))
+
+        idx = *index = le32_to_cpu(*(q->headers.producer));
+        /* Interrupt Moderation, only interrupt for first two entries */
+        if (idx != le32_to_cpu(*(q->headers.consumer))) {
+                if (--idx == 0) {
+                        if (qid == AdapHighCmdQueue)
+                                idx = ADAP_HIGH_CMD_ENTRIES;
+                        else if (qid == AdapNormCmdQueue)
+                                idx = ADAP_NORM_CMD_ENTRIES;
+                        else if (qid == AdapHighRespQueue) 
+                                idx = ADAP_HIGH_RESP_ENTRIES;
+                        else if (qid == AdapNormRespQueue) 
+                                idx = ADAP_NORM_RESP_ENTRIES;
+                }
+                if (idx != le32_to_cpu(*(q->headers.consumer)))
                         *nonotify = 1; 
+        }
 
         if (qid == AdapHighCmdQueue) {
                 if (*index >= ADAP_HIGH_CMD_ENTRIES)
diff --git a/drivers/scsi/aacraid/linit.c b/drivers/scsi/aacraid/linit.c
index 562da90480a1..4ff29d7f5825 100644
--- a/drivers/scsi/aacraid/linit.c
+++ b/drivers/scsi/aacraid/linit.c
@@ -27,8 +27,11 @@
  * Abstract: Linux Driver entry module for Adaptec RAID Array Controller
  */
 
-#define AAC_DRIVER_VERSION              "1.1.2-lk2"
-#define AAC_DRIVER_BUILD_DATE           __DATE__
+#define AAC_DRIVER_VERSION              "1.1-4"
+#ifndef AAC_DRIVER_BRANCH
+#define AAC_DRIVER_BRANCH               ""
+#endif
+#define AAC_DRIVER_BUILD_DATE           __DATE__ " " __TIME__
 #define AAC_DRIVERNAME                  "aacraid"
 
 #include <linux/compat.h>
@@ -58,16 +61,24 @@
 
 #include "aacraid.h"
 
+#ifdef AAC_DRIVER_BUILD
+#define _str(x) #x
+#define str(x) _str(x)
+#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION "[" str(AAC_DRIVER_BUILD) "]" AAC_DRIVER_BRANCH
+#else
+#define AAC_DRIVER_FULL_VERSION AAC_DRIVER_VERSION AAC_DRIVER_BRANCH " " AAC_DRIVER_BUILD_DATE
+#endif
 
 MODULE_AUTHOR("Red Hat Inc and Adaptec");
 MODULE_DESCRIPTION("Dell PERC2, 2/Si, 3/Si, 3/Di, "
                    "Adaptec Advanced Raid Products, "
                    "and HP NetRAID-4M SCSI driver");
 MODULE_LICENSE("GPL");
-MODULE_VERSION(AAC_DRIVER_VERSION);
+MODULE_VERSION(AAC_DRIVER_FULL_VERSION);
 
 static LIST_HEAD(aac_devices);
 static int aac_cfg_major = -1;
+char aac_driver_version[] = AAC_DRIVER_FULL_VERSION;
 
 /*
  * Because of the way Linux names scsi devices, the order in this table has
@@ -109,36 +120,39 @@ static struct pci_device_id aac_pci_tbl[] = {
         { 0x9005, 0x0286, 0x9005, 0x02a3, 0, 0, 29 }, /* ICP5085AU (Hurricane) */
         { 0x9005, 0x0285, 0x9005, 0x02a4, 0, 0, 30 }, /* ICP9085LI (Marauder-X) */
         { 0x9005, 0x0285, 0x9005, 0x02a5, 0, 0, 31 }, /* ICP5085BR (Marauder-E) */
-        { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 32 }, /* Themisto Jupiter Platform */
-        { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 32 }, /* Themisto Jupiter Platform */
-        { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 33 }, /* Callisto Jupiter Platform */
-        { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 34 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
-        { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 35 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
-        { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 36 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
-        { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 37 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
-        { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 38 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
-        { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 39 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
-        { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 40 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
-        { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 41 }, /* AAR-2610SA PCI SATA 6ch */
-        { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 42 }, /* ASR-2240S (SabreExpress) */
-        { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 43 }, /* ASR-4005SAS */
-        { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 44 }, /* IBM 8i (AvonPark) */
-        { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 44 }, /* IBM 8i (AvonPark Lite) */
-        { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 45 }, /* ASR-4000SAS (BlackBird) */
-        { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 46 }, /* ASR-4800SAS (Marauder-X) */
-        { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 47 }, /* ASR-4805SAS (Marauder-E) */
-        { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 48 }, /* ASR-4810SAS (Hurricane */
-
-        { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 49 }, /* Perc 320/DC*/
-        { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 50 }, /* Adaptec 5400S (Mustang)*/
-        { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 51 }, /* Adaptec 5400S (Mustang)*/
-        { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 52 }, /* Dell PERC2/QC */
-        { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 53 }, /* HP NetRAID-4M */
-
-        { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 54 }, /* Dell Catchall */
-        { 0x9005, 0x0285, 0x17aa, PCI_ANY_ID, 0, 0, 55 }, /* Legend Catchall */
-        { 0x9005, 0x0285, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 56 }, /* Adaptec Catch All */
-        { 0x9005, 0x0286, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 57 }, /* Adaptec Rocket Catch All */
+        { 0x9005, 0x0286, 0x9005, 0x02a6, 0, 0, 32 }, /* ICP9067MA (Intruder-6) */
+        { 0x9005, 0x0287, 0x9005, 0x0800, 0, 0, 33 }, /* Themisto Jupiter Platform */
+        { 0x9005, 0x0200, 0x9005, 0x0200, 0, 0, 33 }, /* Themisto Jupiter Platform */
+        { 0x9005, 0x0286, 0x9005, 0x0800, 0, 0, 34 }, /* Callisto Jupiter Platform */
+        { 0x9005, 0x0285, 0x9005, 0x028e, 0, 0, 35 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
+        { 0x9005, 0x0285, 0x9005, 0x028f, 0, 0, 36 }, /* ASR-2025SA SATA SO-DIMM PCI-X ZCR (Terminator) */
+        { 0x9005, 0x0285, 0x9005, 0x0290, 0, 0, 37 }, /* AAR-2410SA PCI SATA 4ch (Jaguar II) */
+        { 0x9005, 0x0285, 0x1028, 0x0291, 0, 0, 38 }, /* CERC SATA RAID 2 PCI SATA 6ch (DellCorsair) */
+        { 0x9005, 0x0285, 0x9005, 0x0292, 0, 0, 39 }, /* AAR-2810SA PCI SATA 8ch (Corsair-8) */
+        { 0x9005, 0x0285, 0x9005, 0x0293, 0, 0, 40 }, /* AAR-21610SA PCI SATA 16ch (Corsair-16) */
+        { 0x9005, 0x0285, 0x9005, 0x0294, 0, 0, 41 }, /* ESD SO-DIMM PCI-X SATA ZCR (Prowler) */
+        { 0x9005, 0x0285, 0x103C, 0x3227, 0, 0, 42 }, /* AAR-2610SA PCI SATA 6ch */
+        { 0x9005, 0x0285, 0x9005, 0x0296, 0, 0, 43 }, /* ASR-2240S (SabreExpress) */
+        { 0x9005, 0x0285, 0x9005, 0x0297, 0, 0, 44 }, /* ASR-4005SAS */
+        { 0x9005, 0x0285, 0x1014, 0x02F2, 0, 0, 45 }, /* IBM 8i (AvonPark) */
+        { 0x9005, 0x0285, 0x1014, 0x0312, 0, 0, 45 }, /* IBM 8i (AvonPark Lite) */
+        { 0x9005, 0x0286, 0x1014, 0x9580, 0, 0, 46 }, /* IBM 8k/8k-l8 (Aurora) */
+        { 0x9005, 0x0286, 0x1014, 0x9540, 0, 0, 47 }, /* IBM 8k/8k-l4 (Aurora Lite) */
+        { 0x9005, 0x0285, 0x9005, 0x0298, 0, 0, 48 }, /* ASR-4000SAS (BlackBird) */
+        { 0x9005, 0x0285, 0x9005, 0x0299, 0, 0, 49 }, /* ASR-4800SAS (Marauder-X) */
+        { 0x9005, 0x0285, 0x9005, 0x029a, 0, 0, 50 }, /* ASR-4805SAS (Marauder-E) */
+        { 0x9005, 0x0286, 0x9005, 0x02a2, 0, 0, 51 }, /* ASR-4810SAS (Hurricane */
+
+        { 0x9005, 0x0285, 0x1028, 0x0287, 0, 0, 52 }, /* Perc 320/DC*/
+        { 0x1011, 0x0046, 0x9005, 0x0365, 0, 0, 53 }, /* Adaptec 5400S (Mustang)*/
+        { 0x1011, 0x0046, 0x9005, 0x0364, 0, 0, 54 }, /* Adaptec 5400S (Mustang)*/
+        { 0x1011, 0x0046, 0x9005, 0x1364, 0, 0, 55 }, /* Dell PERC2/QC */
+        { 0x1011, 0x0046, 0x103c, 0x10c2, 0, 0, 56 }, /* HP NetRAID-4M */
+
+        { 0x9005, 0x0285, 0x1028, PCI_ANY_ID, 0, 0, 57 }, /* Dell Catchall */
+        { 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 */
         { 0,}
 };
 MODULE_DEVICE_TABLE(pci, aac_pci_tbl);
@@ -180,8 +194,9 @@ static struct aac_driver_ident aac_drivers[] = {
         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9047MA       ", 1 }, /* ICP9047MA (Lancer) */
         { aac_rkt_init, "aacraid",  "ICP     ", "ICP9087MA       ", 1 }, /* ICP9087MA (Lancer) */
         { aac_rkt_init, "aacraid",  "ICP     ", "ICP5085AU       ", 1 }, /* ICP5085AU (Hurricane) */
-        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
-        { aac_rkt_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
+        { aac_rx_init, "aacraid",  "ICP     ", "ICP9085LI       ", 1 }, /* ICP9085LI (Marauder-X) */
+        { aac_rx_init, "aacraid",  "ICP     ", "ICP5085BR       ", 1 }, /* ICP5085BR (Marauder-E) */
+        { aac_rkt_init, "aacraid",  "ICP     ", "ICP9067MA       ", 1 }, /* ICP9067MA (Intruder-6) */
         { NULL        , "aacraid",  "ADAPTEC ", "Themisto        ", 0, AAC_QUIRK_SLAVE }, /* Jupiter Platform */
         { aac_rkt_init, "aacraid",  "ADAPTEC ", "Callisto        ", 2, AAC_QUIRK_MASTER }, /* Jupiter Platform */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2020SA       ", 1 }, /* ASR-2020SA SATA PCI-X ZCR (Skyhawk) */
@@ -195,10 +210,12 @@ static struct aac_driver_ident aac_drivers[] = {
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-2240S       ", 1 }, /* ASR-2240S (SabreExpress) */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4005SAS     ", 1 }, /* ASR-4005SAS */
         { aac_rx_init, "ServeRAID","IBM     ", "ServeRAID 8i    ", 1 }, /* IBM 8i (AvonPark) */
+        { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l8 ", 1 }, /* IBM 8k/8k-l8 (Aurora) */
+        { aac_rkt_init, "ServeRAID","IBM     ", "ServeRAID 8k-l4 ", 1 }, /* IBM 8k/8k-l4 (Aurora Lite) */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4000SAS     ", 1 }, /* ASR-4000SAS (BlackBird & AvonPark) */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4800SAS     ", 1 }, /* ASR-4800SAS (Marauder-X) */
         { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4805SAS     ", 1 }, /* ASR-4805SAS (Marauder-E) */
-        { aac_rx_init, "aacraid",  "ADAPTEC ", "ASR-4810SAS     ", 1 }, /* ASR-4810SAS (Hurricane) */
+        { aac_rkt_init, "aacraid",  "ADAPTEC ", "ASR-4810SAS     ", 1 }, /* ASR-4810SAS (Hurricane) */
 
         { aac_rx_init, "percraid", "DELL    ", "PERC 320/DC     ", 2, AAC_QUIRK_31BIT | AAC_QUIRK_34SG }, /* Perc 320/DC*/
         { aac_sa_init, "aacraid",  "ADAPTEC ", "Adaptec 5400S   ", 4, AAC_QUIRK_34SG }, /* Adaptec 5400S (Mustang)*/
@@ -839,11 +856,12 @@ static int __devinit aac_probe_one(struct pci_dev *pdev,
 
         return 0;
 
-out_deinit:
+ out_deinit:
         kill_proc(aac->thread_pid, SIGKILL, 0);
         wait_for_completion(&aac->aif_completion);
 
         aac_send_shutdown(aac);
+        aac_adapter_disable_int(aac);
         fib_map_free(aac);
         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr, aac->comm_phys);
         kfree(aac->queues);
@@ -860,6 +878,13 @@ out_deinit:
         return error;
 }
 
+static void aac_shutdown(struct pci_dev *dev)
+{
+        struct Scsi_Host *shost = pci_get_drvdata(dev);
+        struct aac_dev *aac = (struct aac_dev *)shost->hostdata;
+        aac_send_shutdown(aac);
+}
+
 static void __devexit aac_remove_one(struct pci_dev *pdev)
 {
         struct Scsi_Host *shost = pci_get_drvdata(pdev);
@@ -871,6 +896,7 @@ static void __devexit aac_remove_one(struct pci_dev *pdev)
         wait_for_completion(&aac->aif_completion);
 
         aac_send_shutdown(aac);
+        aac_adapter_disable_int(aac);
         fib_map_free(aac);
         pci_free_consistent(aac->pdev, aac->comm_size, aac->comm_addr,
                         aac->comm_phys);
@@ -891,14 +917,15 @@ static struct pci_driver aac_pci_driver = {
         .id_table       = aac_pci_tbl,
         .probe          = aac_probe_one,
         .remove         = __devexit_p(aac_remove_one),
+        .shutdown       = aac_shutdown,
 };
 
 static int __init aac_init(void)
 {
         int error;
         
-        printk(KERN_INFO "Red Hat/Adaptec aacraid driver (%s %s)\n",
-                        AAC_DRIVER_VERSION, AAC_DRIVER_BUILD_DATE);
+        printk(KERN_INFO "Adaptec %s driver (%s)\n",
+          AAC_DRIVERNAME, aac_driver_version);
 
         error = pci_module_init(&aac_pci_driver);
         if (error)
@@ -909,6 +936,7 @@ static int __init aac_init(void)
                 printk(KERN_WARNING
                        "aacraid: unable to register \"aac\" device.\n");
         }
+
         return 0;
 }
 
diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c
index 7d68b7825137..557287a0b80b 100644
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -88,6 +88,16 @@ static irqreturn_t aac_rkt_intr(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 /**
+ *      aac_rkt_disable_interrupt       -       Disable interrupts
+ *      @dev: Adapter
+ */
+
+static void aac_rkt_disable_interrupt(struct aac_dev *dev)
+{
+        rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
+}
+
+/**
  *      rkt_sync_cmd    -       send a command and wait
  *      @dev: Adapter
  *      @command: Command to execute
@@ -412,10 +422,19 @@ int aac_rkt_init(struct aac_dev *dev)
          *      Fill in the function dispatch table.
          */
         dev->a_ops.adapter_interrupt = aac_rkt_interrupt_adapter;
+        dev->a_ops.adapter_disable_int = aac_rkt_disable_interrupt;
         dev->a_ops.adapter_notify = aac_rkt_notify_adapter;
         dev->a_ops.adapter_sync_cmd = rkt_sync_cmd;
         dev->a_ops.adapter_check_health = aac_rkt_check_health;
 
+        /*
+         *      First clear out all interrupts.  Then enable the one's that we
+         *      can handle.
+         */
+        rkt_writeb(dev, MUnit.OIMR, 0xff);
+        rkt_writel(dev, MUnit.ODR, 0xffffffff);
+        rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+
         if (aac_init_adapter(dev) == NULL)
                 goto error_irq;
         /*
@@ -438,6 +457,7 @@ error_kfree:
         kfree(dev->queues);
 
 error_irq:
+        rkt_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
         free_irq(dev->scsi_host_ptr->irq, (void *)dev);
 
 error_iounmap:
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 1ff25f49fada..a8459faf87ca 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -88,6 +88,16 @@ static irqreturn_t aac_rx_intr(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 /**
+ *      aac_rx_disable_interrupt        -       Disable interrupts
+ *      @dev: Adapter
+ */
+
+static void aac_rx_disable_interrupt(struct aac_dev *dev)
+{
+        rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
+}
+
+/**
  *      rx_sync_cmd     -       send a command and wait
  *      @dev: Adapter
  *      @command: Command to execute
@@ -412,10 +422,19 @@ int aac_rx_init(struct aac_dev *dev)
          *      Fill in the 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;
 
+        /*
+         *      First clear out all interrupts.  Then enable the one's that we
+         *      can handle.
+         */
+        rx_writeb(dev, MUnit.OIMR, 0xff);
+        rx_writel(dev, MUnit.ODR, 0xffffffff);
+        rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xfb);
+
         if (aac_init_adapter(dev) == NULL)
                 goto error_irq;
         /*
@@ -438,6 +457,7 @@ error_kfree:
         kfree(dev->queues);
 
 error_irq:
+        rx_writeb(dev, MUnit.OIMR, dev->OIMR = 0xff);
         free_irq(dev->scsi_host_ptr->irq, (void *)dev);
 
 error_iounmap:
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 0680249ab861..3900abc5850d 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -82,6 +82,16 @@ static irqreturn_t aac_sa_intr(int irq, void *dev_id, struct pt_regs *regs)
 }
 
 /**
+ *      aac_sa_disable_interrupt        -       disable interrupt
+ *      @dev: Which adapter to enable.
+ */
+
+static void aac_sa_disable_interrupt (struct aac_dev *dev)
+{
+        sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
+}
+
+/**
  *      aac_sa_notify_adapter           -       handle adapter notification
  *      @dev:   Adapter that notification is for
  *      @event: Event to notidy
@@ -214,9 +224,8 @@ static int sa_sync_cmd(struct aac_dev *dev, u32 command,
  
 static void aac_sa_interrupt_adapter (struct aac_dev *dev)
 {
-        u32 ret;
         sa_sync_cmd(dev, BREAKPOINT_REQUEST, 0, 0, 0, 0, 0, 0,
-                        &ret, NULL, NULL, NULL, NULL);
+                        NULL, NULL, NULL, NULL, NULL);
 }
 
 /**
@@ -352,10 +361,18 @@ int aac_sa_init(struct aac_dev *dev)
          */
 
         dev->a_ops.adapter_interrupt = aac_sa_interrupt_adapter;
+        dev->a_ops.adapter_disable_int = aac_sa_disable_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;
 
+        /*
+         *      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));
 
         if(aac_init_adapter(dev) == NULL)
                 goto error_irq;
@@ -381,6 +398,7 @@ error_kfree:
         kfree(dev->queues);
 
 error_irq:
+        sa_writew(dev, SaDbCSR.PRISETIRQMASK, 0xffff);
         free_irq(dev->scsi_host_ptr->irq, (void *)dev);
 
 error_iounmap:
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 0fb93363eb22..37ec5411e325 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -9200,8 +9200,8 @@ asc_prt_scsi_cmnd(struct scsi_cmnd *s)
         (unsigned) s->serial_number, s->retries, s->allowed);
 
     printk(
-" timeout_per_command %d, timeout_total %d, timeout %d\n",
-        s->timeout_per_command, s->timeout_total, s->timeout);
+" timeout_per_command %d\n",
+        s->timeout_per_command);
 
     printk(
 " scsi_done 0x%lx, done 0x%lx, host_scribble 0x%lx, result 0x%x\n",
diff --git a/drivers/scsi/aic7xxx/Kconfig.aic79xx b/drivers/scsi/aic7xxx/Kconfig.aic79xx
index c2523a30a7f5..69ed77fcb71f 100644
--- a/drivers/scsi/aic7xxx/Kconfig.aic79xx
+++ b/drivers/scsi/aic7xxx/Kconfig.aic79xx
@@ -5,6 +5,7 @@
 config SCSI_AIC79XX
         tristate "Adaptec AIC79xx U320 support"
         depends on PCI && SCSI
+        select SCSI_SPI_ATTRS
         help
         This driver supports all of Adaptec's Ultra 320 PCI-X
         based SCSI controllers.
diff --git a/drivers/scsi/aic7xxx/aic7770.c b/drivers/scsi/aic7xxx/aic7770.c
index 00f3bd1e181e..527efd36f5c1 100644
--- a/drivers/scsi/aic7xxx/aic7770.c
+++ b/drivers/scsi/aic7xxx/aic7770.c
@@ -126,7 +126,6 @@ aic7770_find_device(uint32_t id)
 int
 aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
 {
-        u_long  l;
         int     error;
         int     have_seeprom;
         u_int   hostconf;
diff --git a/drivers/scsi/aic7xxx/aic79xx.h b/drivers/scsi/aic7xxx/aic79xx.h
index fd4b2f3eb0c2..653fb0b42aea 100644
--- a/drivers/scsi/aic7xxx/aic79xx.h
+++ b/drivers/scsi/aic7xxx/aic79xx.h
@@ -1247,9 +1247,6 @@ struct ahd_softc {
         uint16_t                  user_tagenable;/* Tagged Queuing allowed */
 };
 
-TAILQ_HEAD(ahd_softc_tailq, ahd_softc);
-extern struct ahd_softc_tailq ahd_tailq;
-
 /*************************** IO Cell Configuration ****************************/
 #define AHD_PRECOMP_SLEW_INDEX                                          \
     (AHD_ANNEXCOL_PRECOMP_SLEW - AHD_ANNEXCOL_PER_DEV0)
@@ -1374,8 +1371,6 @@ void			 ahd_enable_coalescing(struct ahd_softc *ahd,
 void                     ahd_pause_and_flushwork(struct ahd_softc *ahd);
 int                      ahd_suspend(struct ahd_softc *ahd); 
 int                      ahd_resume(struct ahd_softc *ahd);
-void                     ahd_softc_insert(struct ahd_softc *);
-struct ahd_softc        *ahd_find_softc(struct ahd_softc *ahd);
 void                     ahd_set_unit(struct ahd_softc *, int);
 void                     ahd_set_name(struct ahd_softc *, char *);
 struct scb              *ahd_get_scb(struct ahd_softc *ahd, u_int col_idx);
@@ -1524,7 +1519,6 @@ void			ahd_print_scb(struct scb *scb);
 void                    ahd_print_devinfo(struct ahd_softc *ahd,
                                           struct ahd_devinfo *devinfo);
 void                    ahd_dump_sglist(struct scb *scb);
-void                    ahd_dump_all_cards_state(void);
 void                    ahd_dump_card_state(struct ahd_softc *ahd);
 int                     ahd_print_register(ahd_reg_parse_entry_t *table,
                                            u_int num_entries,
diff --git a/drivers/scsi/aic7xxx/aic79xx_core.c b/drivers/scsi/aic7xxx/aic79xx_core.c
index 137fb1a37dd1..4e8f00df978d 100644
--- a/drivers/scsi/aic7xxx/aic79xx_core.c
+++ b/drivers/scsi/aic7xxx/aic79xx_core.c
@@ -52,8 +52,6 @@
 #include <dev/aic7xxx/aicasm/aicasm_insformat.h>
 #endif
 
-/******************************** Globals *************************************/
-struct ahd_softc_tailq ahd_tailq = TAILQ_HEAD_INITIALIZER(ahd_tailq);
 
 /***************************** Lookup Tables **********************************/
 char *ahd_chip_names[] =
@@ -5180,74 +5178,6 @@ ahd_softc_init(struct ahd_softc *ahd)
 }
 
 void
-ahd_softc_insert(struct ahd_softc *ahd)
-{
-        struct ahd_softc *list_ahd;
-
-#if AHD_PCI_CONFIG > 0
-        /*
-         * Second Function PCI devices need to inherit some
-         * settings from function 0.
-         */
-        if ((ahd->features & AHD_MULTI_FUNC) != 0) {
-                TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
-                        ahd_dev_softc_t list_pci;
-                        ahd_dev_softc_t pci;
-
-                        list_pci = list_ahd->dev_softc;
-                        pci = ahd->dev_softc;
-                        if (ahd_get_pci_slot(list_pci) == ahd_get_pci_slot(pci)
-                         && ahd_get_pci_bus(list_pci) == ahd_get_pci_bus(pci)) {
-                                struct ahd_softc *master;
-                                struct ahd_softc *slave;
-
-                                if (ahd_get_pci_function(list_pci) == 0) {
-                                        master = list_ahd;
-                                        slave = ahd;
-                                } else {
-                                        master = ahd;
-                                        slave = list_ahd;
-                                }
-                                slave->flags &= ~AHD_BIOS_ENABLED; 
-                                slave->flags |=
-                                    master->flags & AHD_BIOS_ENABLED;
-                                break;
-                        }
-                }
-        }
-#endif
-
-        /*
-         * Insertion sort into our list of softcs.
-         */
-        list_ahd = TAILQ_FIRST(&ahd_tailq);
-        while (list_ahd != NULL
-            && ahd_softc_comp(ahd, list_ahd) <= 0)
-                list_ahd = TAILQ_NEXT(list_ahd, links);
-        if (list_ahd != NULL)
-                TAILQ_INSERT_BEFORE(list_ahd, ahd, links);
-        else
-                TAILQ_INSERT_TAIL(&ahd_tailq, ahd, links);
-        ahd->init_level++;
-}
-
-/*
- * Verify that the passed in softc pointer is for a
- * controller that is still configured.
- */
-struct ahd_softc *
-ahd_find_softc(struct ahd_softc *ahd)
-{
-        struct ahd_softc *list_ahd;
-
-        TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
-                if (list_ahd == ahd)
-                        return (ahd);
-        }
-        return (NULL);
-}
-
-void
 ahd_set_unit(struct ahd_softc *ahd, int unit)
 {
         ahd->unit = unit;
@@ -7902,18 +7832,10 @@ ahd_reset_channel(struct ahd_softc *ahd, char channel, int initiate_reset)
 static void
 ahd_reset_poll(void *arg)
 {
-        struct  ahd_softc *ahd;
+        struct  ahd_softc *ahd = arg;
         u_int   scsiseq1;
-        u_long  l;
         u_long  s;
         
-        ahd_list_lock(&l);
-        ahd = ahd_find_softc((struct ahd_softc *)arg);
-        if (ahd == NULL) {
-                printf("ahd_reset_poll: Instance %p no longer exists\n", arg);
-                ahd_list_unlock(&l);
-                return;
-        }
         ahd_lock(ahd, &s);
         ahd_pause(ahd);
         ahd_update_modes(ahd);
@@ -7924,7 +7846,6 @@ ahd_reset_poll(void *arg)
                                 ahd_reset_poll, ahd);
                 ahd_unpause(ahd);
                 ahd_unlock(ahd, &s);
-                ahd_list_unlock(&l);
                 return;
         }
 
@@ -7936,25 +7857,16 @@ ahd_reset_poll(void *arg)
         ahd->flags &= ~AHD_RESET_POLL_ACTIVE;
         ahd_unlock(ahd, &s);
         ahd_release_simq(ahd);
-        ahd_list_unlock(&l);
 }
 
 /**************************** Statistics Processing ***************************/
 static void
 ahd_stat_timer(void *arg)
 {
-        struct  ahd_softc *ahd;
-        u_long  l;
+        struct  ahd_softc *ahd = arg;
         u_long  s;
         int     enint_coal;
         
-        ahd_list_lock(&l);
-        ahd = ahd_find_softc((struct ahd_softc *)arg);
-        if (ahd == NULL) {
-                printf("ahd_stat_timer: Instance %p no longer exists\n", arg);
-                ahd_list_unlock(&l);
-                return;
-        }
         ahd_lock(ahd, &s);
 
         enint_coal = ahd->hs_mailbox & ENINT_COALESCE;
@@ -7981,7 +7893,6 @@ ahd_stat_timer(void *arg)
         ahd_timer_reset(&ahd->stat_timer, AHD_STAT_UPDATE_US,
                         ahd_stat_timer, ahd);
         ahd_unlock(ahd, &s);
-        ahd_list_unlock(&l);
 }
 
 /****************************** Status Processing *****************************/
@@ -8745,16 +8656,6 @@ sized:
         return (last_probe);
 }
 
-void
-ahd_dump_all_cards_state(void)
-{
-        struct ahd_softc *list_ahd;
-
-        TAILQ_FOREACH(list_ahd, &ahd_tailq, links) {
-                ahd_dump_card_state(list_ahd);
-        }
-}
-
 int
 ahd_print_register(ahd_reg_parse_entry_t *table, u_int num_entries,
                    const char *name, u_int address, u_int value,
@@ -9039,7 +8940,6 @@ ahd_dump_card_state(struct ahd_softc *ahd)
                 ahd_outb(ahd, STACK, (ahd->saved_stack[i] >> 8) & 0xFF);
         }
         printf("\n<<<<<<<<<<<<<<<<< Dump Card State Ends >>>>>>>>>>>>>>>>>>\n");
-        ahd_platform_dump_card_state(ahd);
         ahd_restore_modes(ahd, saved_modes);
         if (paused == 0)
                 ahd_unpause(ahd);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.c b/drivers/scsi/aic7xxx/aic79xx_osm.c
index 329cb2331339..6b6d4e287793 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.c
@@ -46,32 +46,14 @@
 #include "aic79xx_inline.h"
 #include <scsi/scsicam.h>
 
-/*
- * Include aiclib.c as part of our
- * "module dependencies are hard" work around.
- */
-#include "aiclib.c"
+static struct scsi_transport_template *ahd_linux_transport_template = NULL;
 
 #include <linux/init.h>         /* __setup */
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-#include "sd.h"                 /* For geometry detection */
-#endif
-
 #include <linux/mm.h>           /* For fetching system memory size */
+#include <linux/blkdev.h>               /* For block_size() */
 #include <linux/delay.h>        /* For ssleep/msleep */
 
 /*
- * Lock protecting manipulation of the ahd softc list.
- */
-spinlock_t ahd_list_spinlock;
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/* For dynamic sglist size calculation. */
-u_int ahd_linux_nseg;
-#endif
-
-/*
  * Bucket size for counting good commands in between bad ones.
  */
 #define AHD_LINUX_ERR_THRESH    1000
@@ -188,71 +170,6 @@ static adapter_tag_info_t aic79xx_tag_info[] =
 };
 
 /*
- * By default, read streaming is disabled.  In theory,
- * read streaming should enhance performance, but early
- * U320 drive firmware actually performs slower with
- * read streaming enabled.
- */
-#ifdef CONFIG_AIC79XX_ENABLE_RD_STRM
-#define AIC79XX_CONFIGED_RD_STRM 0xFFFF
-#else
-#define AIC79XX_CONFIGED_RD_STRM 0
-#endif
-
-static uint16_t aic79xx_rd_strm_info[] =
-{
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM,
-        AIC79XX_CONFIGED_RD_STRM
-};
-
-/*
- * DV option:
- *
- * positive value = DV Enabled
- * zero           = DV Disabled
- * negative value = DV Default for adapter type/seeprom
- */
-#ifdef CONFIG_AIC79XX_DV_SETTING
-#define AIC79XX_CONFIGED_DV CONFIG_AIC79XX_DV_SETTING
-#else
-#define AIC79XX_CONFIGED_DV -1
-#endif
-
-static int8_t aic79xx_dv_settings[] =
-{
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV,
-        AIC79XX_CONFIGED_DV
-};
-
-/*
  * The I/O cell on the chip is very configurable in respect to its analog
  * characteristics.  Set the defaults here; they can be overriden with
  * the proper insmod parameters.
@@ -375,13 +292,6 @@ static uint32_t aic79xx_pci_parity = ~0;
 uint32_t aic79xx_allow_memio = ~0;
 
 /*
- * aic79xx_detect() has been run, so register all device arrivals
- * immediately with the system rather than deferring to the sorted
- * attachment performed by aic79xx_detect().
- */
-int aic79xx_detect_complete;
-
-/*
  * So that we can set how long each device is given as a selection timeout.
  * The table of values goes like this:
  *   0 - 256ms
@@ -412,7 +322,7 @@ MODULE_AUTHOR("Maintainer: Justin T. Gibbs <gibbs@scsiguy.com>");
 MODULE_DESCRIPTION("Adaptec Aic790X U320 SCSI Host Bus Adapter driver");
 MODULE_LICENSE("Dual BSD/GPL");
 MODULE_VERSION(AIC79XX_DRIVER_VERSION);
-module_param(aic79xx, charp, 0);
+module_param(aic79xx, charp, 0444);
 MODULE_PARM_DESC(aic79xx,
 "period delimited, options string.\n"
 "       verbose                 Enable verbose/diagnostic logging\n"
@@ -427,8 +337,6 @@ MODULE_PARM_DESC(aic79xx,
 "       reverse_scan            Sort PCI devices highest Bus/Slot to lowest\n"
 "       tag_info:<tag_str>      Set per-target tag depth\n"
 "       global_tag_depth:<int>  Global tag depth for all targets on all buses\n"
-"       rd_strm:<rd_strm_masks> Set per-target read streaming setting.\n"
-"       dv:<dv_settings>        Set per-controller Domain Validation Setting.\n"
 "       slewrate:<slewrate_list>Set the signal slew rate (0-15).\n"
 "       precomp:<pcomp_list>    Set the signal precompensation (0-7).\n"
 "       amplitude:<int>         Set the signal amplitude (0-7).\n"
@@ -441,249 +349,35 @@ MODULE_PARM_DESC(aic79xx,
 "               Shorten the selection timeout to 128ms\n"
 "\n"
 "       options aic79xx 'aic79xx=verbose.tag_info:{{}.{}.{..10}}.seltime:1'\n"
-"\n"
-"       Sample /etc/modprobe.conf line:\n"
-"               Change Read Streaming for Controller's 2 and 3\n"
-"\n"
-"       options aic79xx 'aic79xx=rd_strm:{..0xFFF0.0xC0F0}'");
+"\n");
 
 static void ahd_linux_handle_scsi_status(struct ahd_softc *,
-                                         struct ahd_linux_device *,
+                                         struct scsi_device *,
                                          struct scb *);
 static void ahd_linux_queue_cmd_complete(struct ahd_softc *ahd,
-                                         Scsi_Cmnd *cmd);
-static void ahd_linux_filter_inquiry(struct ahd_softc *ahd,
-                                     struct ahd_devinfo *devinfo);
-static void ahd_linux_dev_timed_unfreeze(u_long arg);
+                                         struct scsi_cmnd *cmd);
 static void ahd_linux_sem_timeout(u_long arg);
+static int  ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag);
 static void ahd_linux_initialize_scsi_bus(struct ahd_softc *ahd);
-static void ahd_linux_size_nseg(void);
-static void ahd_linux_thread_run_complete_queue(struct ahd_softc *ahd);
-static void ahd_linux_start_dv(struct ahd_softc *ahd);
-static void ahd_linux_dv_timeout(struct scsi_cmnd *cmd);
-static int  ahd_linux_dv_thread(void *data);
-static void ahd_linux_kill_dv_thread(struct ahd_softc *ahd);
-static void ahd_linux_dv_target(struct ahd_softc *ahd, u_int target);
-static void ahd_linux_dv_transition(struct ahd_softc *ahd,
-                                    struct scsi_cmnd *cmd,
-                                    struct ahd_devinfo *devinfo,
-                                    struct ahd_linux_target *targ);
-static void ahd_linux_dv_fill_cmd(struct ahd_softc *ahd,
-                                  struct scsi_cmnd *cmd,
-                                  struct ahd_devinfo *devinfo);
-static void ahd_linux_dv_inq(struct ahd_softc *ahd,
-                             struct scsi_cmnd *cmd,
-                             struct ahd_devinfo *devinfo,
-                             struct ahd_linux_target *targ,
-                             u_int request_length);
-static void ahd_linux_dv_tur(struct ahd_softc *ahd,
-                             struct scsi_cmnd *cmd,
-                             struct ahd_devinfo *devinfo);
-static void ahd_linux_dv_rebd(struct ahd_softc *ahd,
-                              struct scsi_cmnd *cmd,
-                              struct ahd_devinfo *devinfo,
-                              struct ahd_linux_target *targ);
-static void ahd_linux_dv_web(struct ahd_softc *ahd,
-                             struct scsi_cmnd *cmd,
-                             struct ahd_devinfo *devinfo,
-                             struct ahd_linux_target *targ);
-static void ahd_linux_dv_reb(struct ahd_softc *ahd,
-                             struct scsi_cmnd *cmd,
-                             struct ahd_devinfo *devinfo,
-                             struct ahd_linux_target *targ);
-static void ahd_linux_dv_su(struct ahd_softc *ahd,
-                            struct scsi_cmnd *cmd,
-                            struct ahd_devinfo *devinfo,
-                            struct ahd_linux_target *targ);
-static int ahd_linux_fallback(struct ahd_softc *ahd,
-                              struct ahd_devinfo *devinfo);
-static __inline int ahd_linux_dv_fallback(struct ahd_softc *ahd,
-                                          struct ahd_devinfo *devinfo);
-static void ahd_linux_dv_complete(Scsi_Cmnd *cmd);
-static void ahd_linux_generate_dv_pattern(struct ahd_linux_target *targ);
 static u_int ahd_linux_user_tagdepth(struct ahd_softc *ahd,
                                      struct ahd_devinfo *devinfo);
-static u_int ahd_linux_user_dv_setting(struct ahd_softc *ahd);
-static void ahd_linux_setup_user_rd_strm_settings(struct ahd_softc *ahd);
-static void ahd_linux_device_queue_depth(struct ahd_softc *ahd,
-                                         struct ahd_linux_device *dev);
-static struct ahd_linux_target* ahd_linux_alloc_target(struct ahd_softc*,
-                                                       u_int, u_int);
-static void                     ahd_linux_free_target(struct ahd_softc*,
-                                                      struct ahd_linux_target*);
-static struct ahd_linux_device* ahd_linux_alloc_device(struct ahd_softc*,
-                                                       struct ahd_linux_target*,
-                                                       u_int);
-static void                     ahd_linux_free_device(struct ahd_softc*,
-                                                      struct ahd_linux_device*);
-static void ahd_linux_run_device_queue(struct ahd_softc*,
-                                       struct ahd_linux_device*);
+static void ahd_linux_device_queue_depth(struct scsi_device *);
+static int ahd_linux_run_command(struct ahd_softc*,
+                                 struct ahd_linux_device *,
+                                 struct scsi_cmnd *);
 static void ahd_linux_setup_tag_info_global(char *p);
-static aic_option_callback_t ahd_linux_setup_tag_info;
-static aic_option_callback_t ahd_linux_setup_rd_strm_info;
-static aic_option_callback_t ahd_linux_setup_dv;
-static aic_option_callback_t ahd_linux_setup_iocell_info;
-static int ahd_linux_next_unit(void);
-static void ahd_runq_tasklet(unsigned long data);
-static int aic79xx_setup(char *c);
-
-/****************************** Inlines ***************************************/
-static __inline void ahd_schedule_completeq(struct ahd_softc *ahd);
-static __inline void ahd_schedule_runq(struct ahd_softc *ahd);
-static __inline void ahd_setup_runq_tasklet(struct ahd_softc *ahd);
-static __inline void ahd_teardown_runq_tasklet(struct ahd_softc *ahd);
-static __inline struct ahd_linux_device*
-                     ahd_linux_get_device(struct ahd_softc *ahd, u_int channel,
-                                          u_int target, u_int lun, int alloc);
-static struct ahd_cmd *ahd_linux_run_complete_queue(struct ahd_softc *ahd);
-static __inline void ahd_linux_check_device_queue(struct ahd_softc *ahd,
-                                                  struct ahd_linux_device *dev);
-static __inline struct ahd_linux_device *
-                     ahd_linux_next_device_to_run(struct ahd_softc *ahd);
-static __inline void ahd_linux_run_device_queues(struct ahd_softc *ahd);
-static __inline void ahd_linux_unmap_scb(struct ahd_softc*, struct scb*);
-
-static __inline void
-ahd_schedule_completeq(struct ahd_softc *ahd)
-{
-        if ((ahd->platform_data->flags & AHD_RUN_CMPLT_Q_TIMER) == 0) {
-                ahd->platform_data->flags |= AHD_RUN_CMPLT_Q_TIMER;
-                ahd->platform_data->completeq_timer.expires = jiffies;
-                add_timer(&ahd->platform_data->completeq_timer);
-        }
-}
-
-/*
- * Must be called with our lock held.
- */
-static __inline void
-ahd_schedule_runq(struct ahd_softc *ahd)
-{
-        tasklet_schedule(&ahd->platform_data->runq_tasklet);
-}
-
-static __inline
-void ahd_setup_runq_tasklet(struct ahd_softc *ahd)
-{
-        tasklet_init(&ahd->platform_data->runq_tasklet, ahd_runq_tasklet,
-                     (unsigned long)ahd);
-}
+static int  aic79xx_setup(char *c);
 
-static __inline void
-ahd_teardown_runq_tasklet(struct ahd_softc *ahd)
-{
-        tasklet_kill(&ahd->platform_data->runq_tasklet);
-}
+static int ahd_linux_unit;
 
-static __inline struct ahd_linux_device*
-ahd_linux_get_device(struct ahd_softc *ahd, u_int channel, u_int target,
-                     u_int lun, int alloc)
-{
-        struct ahd_linux_target *targ;
-        struct ahd_linux_device *dev;
-        u_int target_offset;
 
-        target_offset = target;
-        if (channel != 0)
-                target_offset += 8;
-        targ = ahd->platform_data->targets[target_offset];
-        if (targ == NULL) {
-                if (alloc != 0) {
-                        targ = ahd_linux_alloc_target(ahd, channel, target);
-                        if (targ == NULL)
-                                return (NULL);
-                } else
-                        return (NULL);
-        }
-        dev = targ->devices[lun];
-        if (dev == NULL && alloc != 0)
-                dev = ahd_linux_alloc_device(ahd, targ, lun);
-        return (dev);
-}
-
-#define AHD_LINUX_MAX_RETURNED_ERRORS 4
-static struct ahd_cmd *
-ahd_linux_run_complete_queue(struct ahd_softc *ahd)
-{       
-        struct  ahd_cmd *acmd;
-        u_long  done_flags;
-        int     with_errors;
-
-        with_errors = 0;
-        ahd_done_lock(ahd, &done_flags);
-        while ((acmd = TAILQ_FIRST(&ahd->platform_data->completeq)) != NULL) {
-                Scsi_Cmnd *cmd;
-
-                if (with_errors > AHD_LINUX_MAX_RETURNED_ERRORS) {
-                        /*
-                         * Linux uses stack recursion to requeue
-                         * commands that need to be retried.  Avoid
-                         * blowing out the stack by "spoon feeding"
-                         * commands that completed with error back
-                         * the operating system in case they are going
-                         * to be retried. "ick"
-                         */
-                        ahd_schedule_completeq(ahd);
-                        break;
-                }
-                TAILQ_REMOVE(&ahd->platform_data->completeq,
-                             acmd, acmd_links.tqe);
-                cmd = &acmd_scsi_cmd(acmd);
-                cmd->host_scribble = NULL;
-                if (ahd_cmd_get_transaction_status(cmd) != DID_OK
-                 || (cmd->result & 0xFF) != SCSI_STATUS_OK)
-                        with_errors++;
-
-                cmd->scsi_done(cmd);
-        }
-        ahd_done_unlock(ahd, &done_flags);
-        return (acmd);
-}
-
-static __inline void
-ahd_linux_check_device_queue(struct ahd_softc *ahd,
-                             struct ahd_linux_device *dev)
-{
-        if ((dev->flags & AHD_DEV_FREEZE_TIL_EMPTY) != 0
-         && dev->active == 0) {
-                dev->flags &= ~AHD_DEV_FREEZE_TIL_EMPTY;
-                dev->qfrozen--;
-        }
-
-        if (TAILQ_FIRST(&dev->busyq) == NULL
-         || dev->openings == 0 || dev->qfrozen != 0)
-                return;
-
-        ahd_linux_run_device_queue(ahd, dev);
-}
-
-static __inline struct ahd_linux_device *
-ahd_linux_next_device_to_run(struct ahd_softc *ahd)
-{
-        
-        if ((ahd->flags & AHD_RESOURCE_SHORTAGE) != 0
-         || (ahd->platform_data->qfrozen != 0
-          && AHD_DV_SIMQ_FROZEN(ahd) == 0))
-                return (NULL);
-        return (TAILQ_FIRST(&ahd->platform_data->device_runq));
-}
-
-static __inline void
-ahd_linux_run_device_queues(struct ahd_softc *ahd)
-{
-        struct ahd_linux_device *dev;
-
-        while ((dev = ahd_linux_next_device_to_run(ahd)) != NULL) {
-                TAILQ_REMOVE(&ahd->platform_data->device_runq, dev, links);
-                dev->flags &= ~AHD_DEV_ON_RUN_LIST;
-                ahd_linux_check_device_queue(ahd, dev);
-        }
-}
+/****************************** Inlines ***************************************/
+static __inline void ahd_linux_unmap_scb(struct ahd_softc*, struct scb*);
 
 static __inline void
 ahd_linux_unmap_scb(struct ahd_softc *ahd, struct scb *scb)
 {
-        Scsi_Cmnd *cmd;
+        struct scsi_cmnd *cmd;
         int direction;
 
         cmd = scb->io_ctx;
@@ -705,197 +399,6 @@ ahd_linux_unmap_scb(struct ahd_softc *ahd, struct scb *scb)
 #define BUILD_SCSIID(ahd, cmd)                                          \
         ((((cmd)->device->id << TID_SHIFT) & TID) | (ahd)->our_id)
 
-/************************  Host template entry points *************************/
-static int         ahd_linux_detect(Scsi_Host_Template *);
-static const char *ahd_linux_info(struct Scsi_Host *);
-static int         ahd_linux_queue(Scsi_Cmnd *, void (*)(Scsi_Cmnd *));
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-static int         ahd_linux_slave_alloc(Scsi_Device *);
-static int         ahd_linux_slave_configure(Scsi_Device *);
-static void        ahd_linux_slave_destroy(Scsi_Device *);
-#if defined(__i386__)
-static int         ahd_linux_biosparam(struct scsi_device*,
-                                       struct block_device*, sector_t, int[]);
-#endif
-#else
-static int         ahd_linux_release(struct Scsi_Host *);
-static void        ahd_linux_select_queue_depth(struct Scsi_Host *host,
-                                                Scsi_Device *scsi_devs);
-#if defined(__i386__)
-static int         ahd_linux_biosparam(Disk *, kdev_t, int[]);
-#endif
-#endif
-static int         ahd_linux_bus_reset(Scsi_Cmnd *);
-static int         ahd_linux_dev_reset(Scsi_Cmnd *);
-static int         ahd_linux_abort(Scsi_Cmnd *);
-
-/*
- * Calculate a safe value for AHD_NSEG (as expressed through ahd_linux_nseg).
- *
- * In pre-2.5.X...
- * The midlayer allocates an S/G array dynamically when a command is issued
- * using SCSI malloc.  This array, which is in an OS dependent format that
- * must later be copied to our private S/G list, is sized to house just the
- * number of segments needed for the current transfer.  Since the code that
- * sizes the SCSI malloc pool does not take into consideration fragmentation
- * of the pool, executing transactions numbering just a fraction of our
- * concurrent transaction limit with SG list lengths aproaching AHC_NSEG will
- * quickly depleat the SCSI malloc pool of usable space.  Unfortunately, the
- * mid-layer does not properly handle this scsi malloc failures for the S/G
- * array and the result can be a lockup of the I/O subsystem.  We try to size
- * our S/G list so that it satisfies our drivers allocation requirements in
- * addition to avoiding fragmentation of the SCSI malloc pool.
- */
-static void
-ahd_linux_size_nseg(void)
-{
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        u_int cur_size;
-        u_int best_size;
-
-        /*
-         * The SCSI allocator rounds to the nearest 512 bytes
-         * an cannot allocate across a page boundary.  Our algorithm
-         * is to start at 1K of scsi malloc space per-command and
-         * loop through all factors of the PAGE_SIZE and pick the best.
-         */
-        best_size = 0;
-        for (cur_size = 1024; cur_size <= PAGE_SIZE; cur_size *= 2) {
-                u_int nseg;
-
-                nseg = cur_size / sizeof(struct scatterlist);
-                if (nseg < AHD_LINUX_MIN_NSEG)
-                        continue;
-
-                if (best_size == 0) {
-                        best_size = cur_size;
-                        ahd_linux_nseg = nseg;
-                } else {
-                        u_int best_rem;
-                        u_int cur_rem;
-
-                        /*
-                         * Compare the traits of the current "best_size"
-                         * with the current size to determine if the
-                         * current size is a better size.
-                         */
-                        best_rem = best_size % sizeof(struct scatterlist);
-                        cur_rem = cur_size % sizeof(struct scatterlist);
-                        if (cur_rem < best_rem) {
-                                best_size = cur_size;
-                                ahd_linux_nseg = nseg;
-                        }
-                }
-        }
-#endif
-}
-
-/*
- * Try to detect an Adaptec 79XX controller.
- */
-static int
-ahd_linux_detect(Scsi_Host_Template *template)
-{
-        struct  ahd_softc *ahd;
-        int     found;
-        int     error = 0;
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        /*
-         * It is a bug that the upper layer takes
-         * this lock just prior to calling us.
-         */
-        spin_unlock_irq(&io_request_lock);
-#endif
-
-        /*
-         * Sanity checking of Linux SCSI data structures so
-         * that some of our hacks^H^H^H^H^Hassumptions aren't
-         * violated.
-         */
-        if (offsetof(struct ahd_cmd_internal, end)
-          > offsetof(struct scsi_cmnd, host_scribble)) {
-                printf("ahd_linux_detect: SCSI data structures changed.\n");
-                printf("ahd_linux_detect: Unable to attach\n");
-                return (0);
-        }
-        /*
-         * Determine an appropriate size for our Scatter Gatther lists.
-         */
-        ahd_linux_size_nseg();
-#ifdef MODULE
-        /*
-         * If we've been passed any parameters, process them now.
-         */
-        if (aic79xx)
-                aic79xx_setup(aic79xx);
-#endif
-
-        template->proc_name = "aic79xx";
-
-        /*
-         * Initialize our softc list lock prior to
-         * probing for any adapters.
-         */
-        ahd_list_lockinit();
-
-#ifdef CONFIG_PCI
-        error = ahd_linux_pci_init();
-        if (error)
-                return error;
-#endif
-
-        /*
-         * Register with the SCSI layer all
-         * controllers we've found.
-         */
-        found = 0;
-        TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-
-                if (ahd_linux_register_host(ahd, template) == 0)
-                        found++;
-        }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        spin_lock_irq(&io_request_lock);
-#endif
-        aic79xx_detect_complete++;
-        return 0;
-}
-
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/*
- * Free the passed in Scsi_Host memory structures prior to unloading the
- * module.
- */
-static int
-ahd_linux_release(struct Scsi_Host * host)
-{
-        struct ahd_softc *ahd;
-        u_long l;
-
-        ahd_list_lock(&l);
-        if (host != NULL) {
-
-                /*
-                 * We should be able to just perform
-                 * the free directly, but check our
-                 * list for extra sanity.
-                 */
-                ahd = ahd_find_softc(*(struct ahd_softc **)host->hostdata);
-                if (ahd != NULL) {
-                        u_long s;
-
-                        ahd_lock(ahd, &s);
-                        ahd_intr_enable(ahd, FALSE);
-                        ahd_unlock(ahd, &s);
-                        ahd_free(ahd);
-                }
-        }
-        ahd_list_unlock(&l);
-        return (0);
-}
-#endif
-
 /*
  * Return a string describing the driver.
  */
@@ -928,220 +431,177 @@ ahd_linux_info(struct Scsi_Host *host)
  * Queue an SCB to the controller.
  */
 static int
-ahd_linux_queue(Scsi_Cmnd * cmd, void (*scsi_done) (Scsi_Cmnd *))
+ahd_linux_queue(struct scsi_cmnd * cmd, void (*scsi_done) (struct scsi_cmnd *))
 {
         struct   ahd_softc *ahd;
-        struct   ahd_linux_device *dev;
-        u_long   flags;
+        struct   ahd_linux_device *dev = scsi_transport_device_data(cmd->device);
 
         ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
 
         /*
-         * Save the callback on completion function.
-         */
-        cmd->scsi_done = scsi_done;
-
-        ahd_midlayer_entrypoint_lock(ahd, &flags);
-
-        /*
          * Close the race of a command that was in the process of
          * being queued to us just as our simq was frozen.  Let
          * DV commands through so long as we are only frozen to
          * perform DV.
          */
-        if (ahd->platform_data->qfrozen != 0
-         && AHD_DV_CMD(cmd) == 0) {
-
-                ahd_cmd_set_transaction_status(cmd, CAM_REQUEUE_REQ);
-                ahd_linux_queue_cmd_complete(ahd, cmd);
-                ahd_schedule_completeq(ahd);
-                ahd_midlayer_entrypoint_unlock(ahd, &flags);
-                return (0);
-        }
-        dev = ahd_linux_get_device(ahd, cmd->device->channel,
-                                   cmd->device->id, cmd->device->lun,
-                                   /*alloc*/TRUE);
-        if (dev == NULL) {
-                ahd_cmd_set_transaction_status(cmd, CAM_RESRC_UNAVAIL);
-                ahd_linux_queue_cmd_complete(ahd, cmd);
-                ahd_schedule_completeq(ahd);
-                ahd_midlayer_entrypoint_unlock(ahd, &flags);
-                printf("%s: aic79xx_linux_queue - Unable to allocate device!\n",
-                       ahd_name(ahd));
-                return (0);
+        if (ahd->platform_data->qfrozen != 0) {
+                printf("%s: queue frozen\n", ahd_name(ahd));
+
+                return SCSI_MLQUEUE_HOST_BUSY;
         }
-        if (cmd->cmd_len > MAX_CDB_LEN)
-                return (-EINVAL);
+
+        /*
+         * Save the callback on completion function.
+         */
+        cmd->scsi_done = scsi_done;
+
         cmd->result = CAM_REQ_INPROG << 16;
-        TAILQ_INSERT_TAIL(&dev->busyq, (struct ahd_cmd *)cmd, acmd_links.tqe);
-        if ((dev->flags & AHD_DEV_ON_RUN_LIST) == 0) {
-                TAILQ_INSERT_TAIL(&ahd->platform_data->device_runq, dev, links);
-                dev->flags |= AHD_DEV_ON_RUN_LIST;
-                ahd_linux_run_device_queues(ahd);
-        }
-        ahd_midlayer_entrypoint_unlock(ahd, &flags);
-        return (0);
+
+        return ahd_linux_run_command(ahd, dev, cmd);
+}
+
+static inline struct scsi_target **
+ahd_linux_target_in_softc(struct scsi_target *starget)
+{
+        struct  ahd_softc *ahd =
+                *((struct ahd_softc **)dev_to_shost(&starget->dev)->hostdata);
+        unsigned int target_offset;
+
+        target_offset = starget->id;
+        if (starget->channel != 0)
+                target_offset += 8;
+
+        return &ahd->platform_data->starget[target_offset];
 }
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 static int
-ahd_linux_slave_alloc(Scsi_Device *device)
+ahd_linux_target_alloc(struct scsi_target *starget)
 {
-        struct  ahd_softc *ahd;
+        struct  ahd_softc *ahd =
+                *((struct ahd_softc **)dev_to_shost(&starget->dev)->hostdata);
+        unsigned long flags;
+        struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget);
+        struct ahd_linux_target *targ = scsi_transport_target_data(starget);
+        struct ahd_devinfo devinfo;
+        struct ahd_initiator_tinfo *tinfo;
+        struct ahd_tmode_tstate *tstate;
+        char channel = starget->channel + 'A';
 
-        ahd = *((struct ahd_softc **)device->host->hostdata);
-        if (bootverbose)
-                printf("%s: Slave Alloc %d\n", ahd_name(ahd), device->id);
-        return (0);
+        ahd_lock(ahd, &flags);
+
+        BUG_ON(*ahd_targp != NULL);
+
+        *ahd_targp = starget;
+        memset(targ, 0, sizeof(*targ));
+
+        tinfo = ahd_fetch_transinfo(ahd, channel, ahd->our_id,
+                                    starget->id, &tstate);
+        ahd_compile_devinfo(&devinfo, ahd->our_id, starget->id,
+                            CAM_LUN_WILDCARD, channel,
+                            ROLE_INITIATOR);
+        spi_min_period(starget) = AHD_SYNCRATE_MAX; /* We can do U320 */
+        if ((ahd->bugs & AHD_PACED_NEGTABLE_BUG) != 0)
+                spi_max_offset(starget) = MAX_OFFSET_PACED_BUG;
+        else
+                spi_max_offset(starget) = MAX_OFFSET_PACED;
+        spi_max_width(starget) = ahd->features & AHD_WIDE;
+
+        ahd_set_syncrate(ahd, &devinfo, 0, 0, 0,
+                         AHD_TRANS_GOAL, /*paused*/FALSE);
+        ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
+                      AHD_TRANS_GOAL, /*paused*/FALSE);
+        ahd_unlock(ahd, &flags);
+
+        return 0;
+}
+
+static void
+ahd_linux_target_destroy(struct scsi_target *starget)
+{
+        struct scsi_target **ahd_targp = ahd_linux_target_in_softc(starget);
+
+        *ahd_targp = NULL;
 }
 
 static int
-ahd_linux_slave_configure(Scsi_Device *device)
+ahd_linux_slave_alloc(struct scsi_device *sdev)
 {
-        struct  ahd_softc *ahd;
-        struct  ahd_linux_device *dev;
-        u_long  flags;
+        struct  ahd_softc *ahd =
+                *((struct ahd_softc **)sdev->host->hostdata);
+        struct scsi_target *starget = sdev->sdev_target;
+        struct ahd_linux_target *targ = scsi_transport_target_data(starget);
+        struct ahd_linux_device *dev;
 
-        ahd = *((struct ahd_softc **)device->host->hostdata);
         if (bootverbose)
-                printf("%s: Slave Configure %d\n", ahd_name(ahd), device->id);
-        ahd_midlayer_entrypoint_lock(ahd, &flags);
+                printf("%s: Slave Alloc %d\n", ahd_name(ahd), sdev->id);
+
+        BUG_ON(targ->sdev[sdev->lun] != NULL);
+
+        dev = scsi_transport_device_data(sdev);
+        memset(dev, 0, sizeof(*dev));
+
         /*
-         * Since Linux has attached to the device, configure
-         * it so we don't free and allocate the device
-         * structure on every command.
+         * We start out life using untagged
+         * transactions of which we allow one.
          */
-        dev = ahd_linux_get_device(ahd, device->channel,
-                                   device->id, device->lun,
-                                   /*alloc*/TRUE);
-        if (dev != NULL) {
-                dev->flags &= ~AHD_DEV_UNCONFIGURED;
-                dev->flags |= AHD_DEV_SLAVE_CONFIGURED;
-                dev->scsi_device = device;
-                ahd_linux_device_queue_depth(ahd, dev);
-        }
-        ahd_midlayer_entrypoint_unlock(ahd, &flags);
+        dev->openings = 1;
+
+        /*
+         * Set maxtags to 0.  This will be changed if we
+         * later determine that we are dealing with
+         * a tagged queuing capable device.
+         */
+        dev->maxtags = 0;
+        
+        targ->sdev[sdev->lun] = sdev;
+
         return (0);
 }
 
-static void
-ahd_linux_slave_destroy(Scsi_Device *device)
+static int
+ahd_linux_slave_configure(struct scsi_device *sdev)
 {
         struct  ahd_softc *ahd;
-        struct  ahd_linux_device *dev;
-        u_long  flags;
 
-        ahd = *((struct ahd_softc **)device->host->hostdata);
+        ahd = *((struct ahd_softc **)sdev->host->hostdata);
         if (bootverbose)
-                printf("%s: Slave Destroy %d\n", ahd_name(ahd), device->id);
-        ahd_midlayer_entrypoint_lock(ahd, &flags);
-        dev = ahd_linux_get_device(ahd, device->channel,
-                                   device->id, device->lun,
-                                           /*alloc*/FALSE);
+                printf("%s: Slave Configure %d\n", ahd_name(ahd), sdev->id);
 
-        /*
-         * Filter out "silly" deletions of real devices by only
-         * deleting devices that have had slave_configure()
-         * called on them.  All other devices that have not
-         * been configured will automatically be deleted by
-         * the refcounting process.
-         */
-        if (dev != NULL
-         && (dev->flags & AHD_DEV_SLAVE_CONFIGURED) != 0) {
-                dev->flags |= AHD_DEV_UNCONFIGURED;
-                if (TAILQ_EMPTY(&dev->busyq)
-                 && dev->active == 0
-                 && (dev->flags & AHD_DEV_TIMER_ACTIVE) == 0)
-                        ahd_linux_free_device(ahd, dev);
-        }
-        ahd_midlayer_entrypoint_unlock(ahd, &flags);
+        ahd_linux_device_queue_depth(sdev);
+
+        /* Initial Domain Validation */
+        if (!spi_initial_dv(sdev->sdev_target))
+                spi_dv_device(sdev);
+
+        return 0;
 }
-#else
-/*
- * Sets the queue depth for each SCSI device hanging
- * off the input host adapter.
- */
+
 static void
-ahd_linux_select_queue_depth(struct Scsi_Host * host,
-                             Scsi_Device * scsi_devs)
+ahd_linux_slave_destroy(struct scsi_device *sdev)
 {
-        Scsi_Device *device;
-        Scsi_Device *ldev;
         struct  ahd_softc *ahd;
-        u_long  flags;
+        struct  ahd_linux_device *dev = scsi_transport_device_data(sdev);
+        struct  ahd_linux_target *targ = scsi_transport_target_data(sdev->sdev_target);
 
-        ahd = *((struct ahd_softc **)host->hostdata);
-        ahd_lock(ahd, &flags);
-        for (device = scsi_devs; device != NULL; device = device->next) {
+        ahd = *((struct ahd_softc **)sdev->host->hostdata);
+        if (bootverbose)
+                printf("%s: Slave Destroy %d\n", ahd_name(ahd), sdev->id);
 
-                /*
-                 * Watch out for duplicate devices.  This works around
-                 * some quirks in how the SCSI scanning code does its
-                 * device management.
-                 */
-                for (ldev = scsi_devs; ldev != device; ldev = ldev->next) {
-                        if (ldev->host == device->host
-                         && ldev->channel == device->channel
-                         && ldev->id == device->id
-                         && ldev->lun == device->lun)
-                                break;
-                }
-                /* Skip duplicate. */
-                if (ldev != device)
-                        continue;
+        BUG_ON(dev->active);
 
-                if (device->host == host) {
-                        struct   ahd_linux_device *dev;
+        targ->sdev[sdev->lun] = NULL;
 
-                        /*
-                         * Since Linux has attached to the device, configure
-                         * it so we don't free and allocate the device
-                         * structure on every command.
-                         */
-                        dev = ahd_linux_get_device(ahd, device->channel,
-                                                   device->id, device->lun,
-                                                   /*alloc*/TRUE);
-                        if (dev != NULL) {
-                                dev->flags &= ~AHD_DEV_UNCONFIGURED;
-                                dev->scsi_device = device;
-                                ahd_linux_device_queue_depth(ahd, dev);
-                                device->queue_depth = dev->openings
-                                                    + dev->active;
-                                if ((dev->flags & (AHD_DEV_Q_BASIC
-                                                | AHD_DEV_Q_TAGGED)) == 0) {
-                                        /*
-                                         * We allow the OS to queue 2 untagged
-                                         * transactions to us at any time even
-                                         * though we can only execute them
-                                         * serially on the controller/device.
-                                         * This should remove some latency.
-                                         */
-                                        device->queue_depth = 2;
-                                }
-                        }
-                }
-        }
-        ahd_unlock(ahd, &flags);
 }
-#endif
 
 #if defined(__i386__)
 /*
  * Return the disk geometry for the given SCSI device.
  */
 static int
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
 ahd_linux_biosparam(struct scsi_device *sdev, struct block_device *bdev,
                     sector_t capacity, int geom[])
 {
         uint8_t *bh;
-#else
-ahd_linux_biosparam(Disk *disk, kdev_t dev, int geom[])
-{
-        struct  scsi_device *sdev = disk->device;
-        u_long  capacity = disk->capacity;
-        struct  buffer_head *bh;
-#endif
         int      heads;
         int      sectors;
         int      cylinders;
@@ -1151,22 +611,11 @@ ahd_linux_biosparam(Disk *disk, kdev_t dev, int geom[])
 
         ahd = *((struct ahd_softc **)sdev->host->hostdata);
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
         bh = scsi_bios_ptable(bdev);
-#elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,17)
-        bh = bread(MKDEV(MAJOR(dev), MINOR(dev) & ~0xf), 0, block_size(dev));
-#else
-        bh = bread(MKDEV(MAJOR(dev), MINOR(dev) & ~0xf), 0, 1024);
-#endif
-
         if (bh) {
                 ret = scsi_partsize(bh, capacity,
                                     &geom[2], &geom[0], &geom[1]);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
                 kfree(bh);
-#else
-                brelse(bh);
-#endif
                 if (ret != -1)
                         return (ret);
         }
@@ -1194,392 +643,35 @@ ahd_linux_biosparam(Disk *disk, kdev_t dev, int geom[])
  * Abort the current SCSI command(s).
  */
 static int
-ahd_linux_abort(Scsi_Cmnd *cmd)
+ahd_linux_abort(struct scsi_cmnd *cmd)
 {
-        struct ahd_softc *ahd;
-        struct ahd_cmd *acmd;
-        struct ahd_cmd *list_acmd;
-        struct ahd_linux_device *dev;
-        struct scb *pending_scb;
-        u_long s;
-        u_int  saved_scbptr;
-        u_int  active_scbptr;
-        u_int  last_phase;
-        u_int  cdb_byte;
-        int    retval;
-        int    was_paused;
-        int    paused;
-        int    wait;
-        int    disconnected;
-        ahd_mode_state saved_modes;
-
-        pending_scb = NULL;
-        paused = FALSE;
-        wait = FALSE;
-        ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
-        acmd = (struct ahd_cmd *)cmd;
-
-        printf("%s:%d:%d:%d: Attempting to abort cmd %p:",
-               ahd_name(ahd), cmd->device->channel, cmd->device->id,
-               cmd->device->lun, cmd);
-        for (cdb_byte = 0; cdb_byte < cmd->cmd_len; cdb_byte++)
-                printf(" 0x%x", cmd->cmnd[cdb_byte]);
-        printf("\n");
-
-        /*
-         * In all versions of Linux, we have to work around
-         * a major flaw in how the mid-layer is locked down
-         * if we are to sleep successfully in our error handler
-         * while allowing our interrupt handler to run.  Since
-         * the midlayer acquires either the io_request_lock or
-         * our lock prior to calling us, we must use the
-         * spin_unlock_irq() method for unlocking our lock.
-         * This will force interrupts to be enabled on the
-         * current CPU.  Since the EH thread should not have
-         * been running with CPU interrupts disabled other than
-         * by acquiring either the io_request_lock or our own
-         * lock, this *should* be safe.
-         */
-        ahd_midlayer_entrypoint_lock(ahd, &s);
-
-        /*
-         * First determine if we currently own this command.
-         * Start by searching the device queue.  If not found
-         * there, check the pending_scb list.  If not found
-         * at all, and the system wanted us to just abort the
-         * command, return success.
-         */
-        dev = ahd_linux_get_device(ahd, cmd->device->channel,
-                                   cmd->device->id, cmd->device->lun,
-                                   /*alloc*/FALSE);
-
-        if (dev == NULL) {
-                /*
-                 * No target device for this command exists,
-                 * so we must not still own the command.
-                 */
-                printf("%s:%d:%d:%d: Is not an active device\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->device->lun);
-                retval = SUCCESS;
-                goto no_cmd;
-        }
-
-        TAILQ_FOREACH(list_acmd, &dev->busyq, acmd_links.tqe) {
-                if (list_acmd == acmd)
-                        break;
-        }
-
-        if (list_acmd != NULL) {
-                printf("%s:%d:%d:%d: Command found on device queue\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->device->lun);
-                TAILQ_REMOVE(&dev->busyq, list_acmd, acmd_links.tqe);
-                cmd->result = DID_ABORT << 16;
-                ahd_linux_queue_cmd_complete(ahd, cmd);
-                retval = SUCCESS;
-                goto done;
-        }
+        int error;
 
-        /*
-         * See if we can find a matching cmd in the pending list.
-         */
-        LIST_FOREACH(pending_scb, &ahd->pending_scbs, pending_links) {
-                if (pending_scb->io_ctx == cmd)
-                        break;
-        }
-
-        if (pending_scb == NULL) {
-                printf("%s:%d:%d:%d: Command not found\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->device->lun);
-                goto no_cmd;
-        }
-
-        if ((pending_scb->flags & SCB_RECOVERY_SCB) != 0) {
-                /*
-                 * We can't queue two recovery actions using the same SCB
-                 */
-                retval = FAILED;
-                goto  done;
-        }
-
-        /*
-         * Ensure that the card doesn't do anything
-         * behind our back.  Also make sure that we
-         * didn't "just" miss an interrupt that would
-         * affect this cmd.
-         */
-        was_paused = ahd_is_paused(ahd);
-        ahd_pause_and_flushwork(ahd);
-        paused = TRUE;
-
-        if ((pending_scb->flags & SCB_ACTIVE) == 0) {
-                printf("%s:%d:%d:%d: Command already completed\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->device->lun);
-                goto no_cmd;
-        }
-
-        printf("%s: At time of recovery, card was %spaused\n",
-               ahd_name(ahd), was_paused ? "" : "not ");
-        ahd_dump_card_state(ahd);
-
-        disconnected = TRUE;
-        if (ahd_search_qinfifo(ahd, cmd->device->id, cmd->device->channel + 'A',
-                               cmd->device->lun, SCB_GET_TAG(pending_scb),
-                               ROLE_INITIATOR, CAM_REQ_ABORTED,
-                               SEARCH_COMPLETE) > 0) {
-                printf("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                                cmd->device->lun);
-                retval = SUCCESS;
-                goto done;
-        }
-
-        saved_modes = ahd_save_modes(ahd);
-        ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
-        last_phase = ahd_inb(ahd, LASTPHASE);
-        saved_scbptr = ahd_get_scbptr(ahd);
-        active_scbptr = saved_scbptr;
-        if (disconnected && (ahd_inb(ahd, SEQ_FLAGS) & NOT_IDENTIFIED) == 0) {
-                struct scb *bus_scb;
-
-                bus_scb = ahd_lookup_scb(ahd, active_scbptr);
-                if (bus_scb == pending_scb)
-                        disconnected = FALSE;
-        }
-
-        /*
-         * At this point, pending_scb is the scb associated with the
-         * passed in command.  That command is currently active on the
-         * bus or is in the disconnected state.
-         */
-        if (last_phase != P_BUSFREE
-         && SCB_GET_TAG(pending_scb) == active_scbptr) {
-
-                /*
-                 * We're active on the bus, so assert ATN
-                 * and hope that the target responds.
-                 */
-                pending_scb = ahd_lookup_scb(ahd, active_scbptr);
-                pending_scb->flags |= SCB_RECOVERY_SCB|SCB_ABORT;
-                ahd_outb(ahd, MSG_OUT, HOST_MSG);
-                ahd_outb(ahd, SCSISIGO, last_phase|ATNO);
-                printf("%s:%d:%d:%d: Device is active, asserting ATN\n",
-                       ahd_name(ahd), cmd->device->channel,
-                       cmd->device->id, cmd->device->lun);
-                wait = TRUE;
-        } else if (disconnected) {
-
-                /*
-                 * Actually re-queue this SCB in an attempt
-                 * to select the device before it reconnects.
-                 */
-                pending_scb->flags |= SCB_RECOVERY_SCB|SCB_ABORT;
-                ahd_set_scbptr(ahd, SCB_GET_TAG(pending_scb));
-                pending_scb->hscb->cdb_len = 0;
-                pending_scb->hscb->task_attribute = 0;
-                pending_scb->hscb->task_management = SIU_TASKMGMT_ABORT_TASK;
-
-                if ((pending_scb->flags & SCB_PACKETIZED) != 0) {
-                        /*
-                         * Mark the SCB has having an outstanding
-                         * task management function.  Should the command
-                         * complete normally before the task management
-                         * function can be sent, the host will be notified
-                         * to abort our requeued SCB.
-                         */
-                        ahd_outb(ahd, SCB_TASK_MANAGEMENT,
-                                 pending_scb->hscb->task_management);
-                } else {
-                        /*
-                         * If non-packetized, set the MK_MESSAGE control
-                         * bit indicating that we desire to send a message.
-                         * We also set the disconnected flag since there is
-                         * no guarantee that our SCB control byte matches
-                         * the version on the card.  We don't want the
-                         * sequencer to abort the command thinking an
-                         * unsolicited reselection occurred.
-                         */
-                        pending_scb->hscb->control |= MK_MESSAGE|DISCONNECTED;
-
-                        /*
-                         * The sequencer will never re-reference the
-                         * in-core SCB.  To make sure we are notified
-                         * during reslection, set the MK_MESSAGE flag in
-                         * the card's copy of the SCB.
-                         */
-                        ahd_outb(ahd, SCB_CONTROL,
-                                 ahd_inb(ahd, SCB_CONTROL)|MK_MESSAGE);
-                }
-
-                /*
-                 * Clear out any entries in the QINFIFO first
-                 * so we are the next SCB for this target
-                 * to run.
-                 */
-                ahd_search_qinfifo(ahd, cmd->device->id,
-                                   cmd->device->channel + 'A', cmd->device->lun,
-                                   SCB_LIST_NULL, ROLE_INITIATOR,
-                                   CAM_REQUEUE_REQ, SEARCH_COMPLETE);
-                ahd_qinfifo_requeue_tail(ahd, pending_scb);
-                ahd_set_scbptr(ahd, saved_scbptr);
-                ahd_print_path(ahd, pending_scb);
-                printf("Device is disconnected, re-queuing SCB\n");
-                wait = TRUE;
-        } else {
-                printf("%s:%d:%d:%d: Unable to deliver message\n",
-                       ahd_name(ahd), cmd->device->channel,
-                       cmd->device->id, cmd->device->lun);
-                retval = FAILED;
-                goto done;
-        }
-
-no_cmd:
-        /*
-         * Our assumption is that if we don't have the command, no
-         * recovery action was required, so we return success.  Again,
-         * the semantics of the mid-layer recovery engine are not
-         * well defined, so this may change in time.
-         */
-        retval = SUCCESS;
-done:
-        if (paused)
-                ahd_unpause(ahd);
-        if (wait) {
-                struct timer_list timer;
-                int ret;
-
-                pending_scb->platform_data->flags |= AHD_SCB_UP_EH_SEM;
-                spin_unlock_irq(&ahd->platform_data->spin_lock);
-                init_timer(&timer);
-                timer.data = (u_long)pending_scb;
-                timer.expires = jiffies + (5 * HZ);
-                timer.function = ahd_linux_sem_timeout;
-                add_timer(&timer);
-                printf("Recovery code sleeping\n");
-                down(&ahd->platform_data->eh_sem);
-                printf("Recovery code awake\n");
-                ret = del_timer_sync(&timer);
-                if (ret == 0) {
-                        printf("Timer Expired\n");
-                        retval = FAILED;
-                }
-                spin_lock_irq(&ahd->platform_data->spin_lock);
-        }
-        ahd_schedule_runq(ahd);
-        ahd_linux_run_complete_queue(ahd);
-        ahd_midlayer_entrypoint_unlock(ahd, &s);
-        return (retval);
-}
-
-
-static void
-ahd_linux_dev_reset_complete(Scsi_Cmnd *cmd)
-{
-        free(cmd, M_DEVBUF);
+        error = ahd_linux_queue_recovery_cmd(cmd, SCB_ABORT);
+        if (error != 0)
+                printf("aic79xx_abort returns 0x%x\n", error);
+        return error;
 }
 
 /*
  * Attempt to send a target reset message to the device that timed out.
  */
 static int
-ahd_linux_dev_reset(Scsi_Cmnd *cmd)
+ahd_linux_dev_reset(struct scsi_cmnd *cmd)
 {
-        struct  ahd_softc *ahd;
-        struct  scsi_cmnd *recovery_cmd;
-        struct  ahd_linux_device *dev;
-        struct  ahd_initiator_tinfo *tinfo;
-        struct  ahd_tmode_tstate *tstate;
-        struct  scb *scb;
-        struct  hardware_scb *hscb;
-        u_long  s;
-        struct  timer_list timer;
-        int     retval;
-
-        ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
-        recovery_cmd = malloc(sizeof(struct scsi_cmnd), M_DEVBUF, M_WAITOK);
-        if (!recovery_cmd)
-                return (FAILED);
-        memset(recovery_cmd, 0, sizeof(struct scsi_cmnd));
-        recovery_cmd->device = cmd->device;
-        recovery_cmd->scsi_done = ahd_linux_dev_reset_complete;
-#ifdef AHD_DEBUG
-        if ((ahd_debug & AHD_SHOW_RECOVERY) != 0)
-                printf("%s:%d:%d:%d: Device reset called for cmd %p\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->device->lun, cmd);
-#endif
-        ahd_lock(ahd, &s);
-
-        dev = ahd_linux_get_device(ahd, cmd->device->channel, cmd->device->id,
-                                   cmd->device->lun, /*alloc*/FALSE);
-        if (dev == NULL) {
-                ahd_unlock(ahd, &s);
-                kfree(recovery_cmd);
-                return (FAILED);
-        }
-        if ((scb = ahd_get_scb(ahd, AHD_NEVER_COL_IDX)) == NULL) {
-                ahd_unlock(ahd, &s);
-                kfree(recovery_cmd);
-                return (FAILED);
-        }
-        tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
-                                    cmd->device->id, &tstate);
-        recovery_cmd->result = CAM_REQ_INPROG << 16;
-        recovery_cmd->host_scribble = (char *)scb;
-        scb->io_ctx = recovery_cmd;
-        scb->platform_data->dev = dev;
-        scb->sg_count = 0;
-        ahd_set_residual(scb, 0);
-        ahd_set_sense_residual(scb, 0);
-        hscb = scb->hscb;
-        hscb->control = 0;
-        hscb->scsiid = BUILD_SCSIID(ahd, cmd);
-        hscb->lun = cmd->device->lun;
-        hscb->cdb_len = 0;
-        hscb->task_management = SIU_TASKMGMT_LUN_RESET;
-        scb->flags |= SCB_DEVICE_RESET|SCB_RECOVERY_SCB|SCB_ACTIVE;
-        if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
-                scb->flags |= SCB_PACKETIZED;
-        } else {
-                hscb->control |= MK_MESSAGE;
-        }
-        dev->openings--;
-        dev->active++;
-        dev->commands_issued++;
-        LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
-        ahd_queue_scb(ahd, scb);
+        int error;
 
-        scb->platform_data->flags |= AHD_SCB_UP_EH_SEM;
-        ahd_unlock(ahd, &s);
-        init_timer(&timer);
-        timer.data = (u_long)scb;
-        timer.expires = jiffies + (5 * HZ);
-        timer.function = ahd_linux_sem_timeout;
-        add_timer(&timer);
-        printf("Recovery code sleeping\n");
-        down(&ahd->platform_data->eh_sem);
-        printf("Recovery code awake\n");
-        retval = SUCCESS;
-        if (del_timer_sync(&timer) == 0) {
-                printf("Timer Expired\n");
-                retval = FAILED;
-        }
-        ahd_lock(ahd, &s);
-        ahd_schedule_runq(ahd);
-        ahd_linux_run_complete_queue(ahd);
-        ahd_unlock(ahd, &s);
-        printf("%s: Device reset returning 0x%x\n", ahd_name(ahd), retval);
-        return (retval);
+        error = ahd_linux_queue_recovery_cmd(cmd, SCB_DEVICE_RESET);
+        if (error != 0)
+                printf("aic79xx_dev_reset returns 0x%x\n", error);
+        return error;
 }
 
 /*
  * Reset the SCSI bus.
  */
 static int
-ahd_linux_bus_reset(Scsi_Cmnd *cmd)
+ahd_linux_bus_reset(struct scsi_cmnd *cmd)
 {
         struct ahd_softc *ahd;
         u_long s;
@@ -1594,7 +686,6 @@ ahd_linux_bus_reset(Scsi_Cmnd *cmd)
         ahd_lock(ahd, &s);
         found = ahd_reset_channel(ahd, cmd->device->channel + 'A',
                                   /*initiate reset*/TRUE);
-        ahd_linux_run_complete_queue(ahd);
         ahd_unlock(ahd, &s);
 
         if (bootverbose)
@@ -1604,9 +695,10 @@ ahd_linux_bus_reset(Scsi_Cmnd *cmd)
         return (SUCCESS);
 }
 
-Scsi_Host_Template aic79xx_driver_template = {
+struct scsi_host_template aic79xx_driver_template = {
         .module                 = THIS_MODULE,
         .name                   = "aic79xx",
+        .proc_name              = "aic79xx",
         .proc_info              = ahd_linux_proc_info,
         .info                   = ahd_linux_info,
         .queuecommand           = ahd_linux_queue,
@@ -1623,37 +715,10 @@ Scsi_Host_Template aic79xx_driver_template = {
         .slave_alloc            = ahd_linux_slave_alloc,
         .slave_configure        = ahd_linux_slave_configure,
         .slave_destroy          = ahd_linux_slave_destroy,
+        .target_alloc           = ahd_linux_target_alloc,
+        .target_destroy         = ahd_linux_target_destroy,
 };
 
-/**************************** Tasklet Handler *********************************/
-
-/*
- * In 2.4.X and above, this routine is called from a tasklet,
- * so we must re-acquire our lock prior to executing this code.
- * In all prior kernels, ahd_schedule_runq() calls this routine
- * directly and ahd_schedule_runq() is called with our lock held.
- */
-static void
-ahd_runq_tasklet(unsigned long data)
-{
-        struct ahd_softc* ahd;
-        struct ahd_linux_device *dev;
-        u_long flags;
-
-        ahd = (struct ahd_softc *)data;
-        ahd_lock(ahd, &flags);
-        while ((dev = ahd_linux_next_device_to_run(ahd)) != NULL) {
-        
-                TAILQ_REMOVE(&ahd->platform_data->device_runq, dev, links);
-                dev->flags &= ~AHD_DEV_ON_RUN_LIST;
-                ahd_linux_check_device_queue(ahd, dev);
-                /* Yeild to our interrupt handler */
-                ahd_unlock(ahd, &flags);
-                ahd_lock(ahd, &flags);
-        }
-        ahd_unlock(ahd, &flags);
-}
-
 /******************************** Bus DMA *************************************/
 int
 ahd_dma_tag_create(struct ahd_softc *ahd, bus_dma_tag_t parent,
@@ -1693,36 +758,10 @@ int
 ahd_dmamem_alloc(struct ahd_softc *ahd, bus_dma_tag_t dmat, void** vaddr,
                  int flags, bus_dmamap_t *mapp)
 {
-        bus_dmamap_t map;
-
-        map = malloc(sizeof(*map), M_DEVBUF, M_NOWAIT);
-        if (map == NULL)
-                return (ENOMEM);
-        /*
-         * Although we can dma data above 4GB, our
-         * "consistent" memory is below 4GB for
-         * space efficiency reasons (only need a 4byte
-         * address).  For this reason, we have to reset
-         * our dma mask when doing allocations.
-         */
-        if (ahd->dev_softc != NULL)
-                if (pci_set_dma_mask(ahd->dev_softc, 0xFFFFFFFF)) {
-                        printk(KERN_WARNING "aic79xx: No suitable DMA available.\n");
-                        kfree(map);
-                        return (ENODEV);
-                }
         *vaddr = pci_alloc_consistent(ahd->dev_softc,
-                                      dmat->maxsize, &map->bus_addr);
-        if (ahd->dev_softc != NULL)
-                if (pci_set_dma_mask(ahd->dev_softc,
-                                     ahd->platform_data->hw_dma_mask)) {
-                        printk(KERN_WARNING "aic79xx: No suitable DMA available.\n");
-                        kfree(map);
-                        return (ENODEV);
-                }
+                                      dmat->maxsize, mapp);
         if (*vaddr == NULL)
                 return (ENOMEM);
-        *mapp = map;
         return(0);
 }
 
@@ -1731,7 +770,7 @@ ahd_dmamem_free(struct ahd_softc *ahd, bus_dma_tag_t dmat,
                 void* vaddr, bus_dmamap_t map)
 {
         pci_free_consistent(ahd->dev_softc, dmat->maxsize,
-                            vaddr, map->bus_addr);
+                            vaddr, map);
 }
 
 int
@@ -1745,7 +784,7 @@ ahd_dmamap_load(struct ahd_softc *ahd, bus_dma_tag_t dmat, bus_dmamap_t map,
          */
         bus_dma_segment_t stack_sg;
 
-        stack_sg.ds_addr = map->bus_addr;
+        stack_sg.ds_addr = map;
         stack_sg.ds_len = dmat->maxsize;
         cb(cb_arg, &stack_sg, /*nseg*/1, /*error*/0);
         return (0);
@@ -1754,11 +793,6 @@ ahd_dmamap_load(struct ahd_softc *ahd, bus_dma_tag_t dmat, bus_dmamap_t map,
 void
 ahd_dmamap_destroy(struct ahd_softc *ahd, bus_dma_tag_t dmat, bus_dmamap_t map)
 {
-        /*
-         * The map may is NULL in our < 2.3.X implementation.
-         */
-        if (map != NULL)
-                free(map, M_DEVBUF);
 }
 
 int
@@ -1823,41 +857,6 @@ ahd_softc_comp(struct ahd_softc *lahd, struct ahd_softc *rahd)
 }
 
 static void
-ahd_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
-{
-
-        if ((instance >= 0) && (targ >= 0)
-         && (instance < NUM_ELEMENTS(aic79xx_tag_info))
-         && (targ < AHD_NUM_TARGETS)) {
-                aic79xx_tag_info[instance].tag_commands[targ] = value & 0x1FF;
-                if (bootverbose)
-                        printf("tag_info[%d:%d] = %d\n", instance, targ, value);
-        }
-}
-
-static void
-ahd_linux_setup_rd_strm_info(u_long arg, int instance, int targ, int32_t value)
-{
-        if ((instance >= 0)
-         && (instance < NUM_ELEMENTS(aic79xx_rd_strm_info))) {
-                aic79xx_rd_strm_info[instance] = value & 0xFFFF;
-                if (bootverbose)
-                        printf("rd_strm[%d] = 0x%x\n", instance, value);
-        }
-}
-
-static void
-ahd_linux_setup_dv(u_long arg, int instance, int targ, int32_t value)
-{
-        if ((instance >= 0)
-         && (instance < NUM_ELEMENTS(aic79xx_dv_settings))) {
-                aic79xx_dv_settings[instance] = value;
-                if (bootverbose)
-                        printf("dv[%d] = %d\n", instance, value);
-        }
-}
-
-static void
 ahd_linux_setup_iocell_info(u_long index, int instance, int targ, int32_t value)
 {
 
@@ -1887,6 +886,99 @@ ahd_linux_setup_tag_info_global(char *p)
         }
 }
 
+static void
+ahd_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
+{
+
+        if ((instance >= 0) && (targ >= 0)
+         && (instance < NUM_ELEMENTS(aic79xx_tag_info))
+         && (targ < AHD_NUM_TARGETS)) {
+                aic79xx_tag_info[instance].tag_commands[targ] = value & 0x1FF;
+                if (bootverbose)
+                        printf("tag_info[%d:%d] = %d\n", instance, targ, value);
+        }
+}
+
+static char *
+ahd_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
+                       void (*callback)(u_long, int, int, int32_t),
+                       u_long callback_arg)
+{
+        char    *tok_end;
+        char    *tok_end2;
+        int      i;
+        int      instance;
+        int      targ;
+        int      done;
+        char     tok_list[] = {'.', ',', '{', '}', '\0'};
+
+        /* All options use a ':' name/arg separator */
+        if (*opt_arg != ':')
+                return (opt_arg);
+        opt_arg++;
+        instance = -1;
+        targ = -1;
+        done = FALSE;
+        /*
+         * Restore separator that may be in
+         * the middle of our option argument.
+         */
+        tok_end = strchr(opt_arg, '\0');
+        if (tok_end < end)
+                *tok_end = ',';
+        while (!done) {
+                switch (*opt_arg) {
+                case '{':
+                        if (instance == -1) {
+                                instance = 0;
+                        } else {
+                                if (depth > 1) {
+                                        if (targ == -1)
+                                                targ = 0;
+                                } else {
+                                        printf("Malformed Option %s\n",
+                                               opt_name);
+                                        done = TRUE;
+                                }
+                        }
+                        opt_arg++;
+                        break;
+                case '}':
+                        if (targ != -1)
+                                targ = -1;
+                        else if (instance != -1)
+                                instance = -1;
+                        opt_arg++;
+                        break;
+                case ',':
+                case '.':
+                        if (instance == -1)
+                                done = TRUE;
+                        else if (targ >= 0)
+                                targ++;
+                        else if (instance >= 0)
+                                instance++;
+                        opt_arg++;
+                        break;
+                case '\0':
+                        done = TRUE;
+                        break;
+                default:
+                        tok_end = end;
+                        for (i = 0; tok_list[i]; i++) {
+                                tok_end2 = strchr(opt_arg, tok_list[i]);
+                                if ((tok_end2) && (tok_end2 < tok_end))
+                                        tok_end = tok_end2;
+                        }
+                        callback(callback_arg, instance, targ,
+                                 simple_strtol(opt_arg, NULL, 0));
+                        opt_arg = tok_end;
+                        break;
+                }
+        }
+        return (opt_arg);
+}
+
 /*
  * Handle Linux boot parameters. This routine allows for assigning a value
  * to a parameter with a ':' between the parameter and the value.
@@ -1916,8 +1008,6 @@ aic79xx_setup(char *s)
                 { "seltime", &aic79xx_seltime },
                 { "tag_info", NULL },
                 { "global_tag_depth", NULL},
-                { "rd_strm", NULL },
-                { "dv", NULL },
                 { "slewrate", NULL },
                 { "precomp", NULL },
                 { "amplitude", NULL },
@@ -1946,24 +1036,18 @@ aic79xx_setup(char *s)
                 if (strncmp(p, "global_tag_depth", n) == 0) {
                         ahd_linux_setup_tag_info_global(p + n);
                 } else if (strncmp(p, "tag_info", n) == 0) {
-                        s = aic_parse_brace_option("tag_info", p + n, end,
+                        s = ahd_parse_brace_option("tag_info", p + n, end,
                             2, ahd_linux_setup_tag_info, 0);
-                } else if (strncmp(p, "rd_strm", n) == 0) {
-                        s = aic_parse_brace_option("rd_strm", p + n, end,
-                            1, ahd_linux_setup_rd_strm_info, 0);
-                } else if (strncmp(p, "dv", n) == 0) {
-                        s = aic_parse_brace_option("dv", p + n, end, 1,
-                            ahd_linux_setup_dv, 0);
                 } else if (strncmp(p, "slewrate", n) == 0) {
-                        s = aic_parse_brace_option("slewrate",
+                        s = ahd_parse_brace_option("slewrate",
                             p + n, end, 1, ahd_linux_setup_iocell_info,
                             AIC79XX_SLEWRATE_INDEX);
                 } else if (strncmp(p, "precomp", n) == 0) {
-                        s = aic_parse_brace_option("precomp",
+                        s = ahd_parse_brace_option("precomp",
                             p + n, end, 1, ahd_linux_setup_iocell_info,
                             AIC79XX_PRECOMP_INDEX);
                 } else if (strncmp(p, "amplitude", n) == 0) {
-                        s = aic_parse_brace_option("amplitude",
+                        s = ahd_parse_brace_option("amplitude",
                             p + n, end, 1, ahd_linux_setup_iocell_info,
                             AIC79XX_AMPLITUDE_INDEX);
                 } else if (p[n] == ':') {
@@ -1982,13 +1066,12 @@ __setup("aic79xx=", aic79xx_setup);
 uint32_t aic79xx_verbose;
 
 int
-ahd_linux_register_host(struct ahd_softc *ahd, Scsi_Host_Template *template)
+ahd_linux_register_host(struct ahd_softc *ahd, struct scsi_host_template *template)
 {
         char    buf[80];
         struct  Scsi_Host *host;
         char    *new_name;
         u_long  s;
-        u_long  target;
 
         template->name = ahd->description;
         host = scsi_host_alloc(template, sizeof(struct ahd_softc *));
@@ -1997,11 +1080,7 @@ ahd_linux_register_host(struct ahd_softc *ahd, Scsi_Host_Template *template)
 
         *((struct ahd_softc **)host->hostdata) = ahd;
         ahd_lock(ahd, &s);
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
         scsi_assign_lock(host, &ahd->platform_data->spin_lock);
-#elif AHD_SCSI_HAS_HOST_LOCK != 0
-        host->lock = &ahd->platform_data->spin_lock;
-#endif
         ahd->platform_data->host = host;
         host->can_queue = AHD_MAX_QUEUE;
         host->cmd_per_lun = 2;
@@ -2012,7 +1091,7 @@ ahd_linux_register_host(struct ahd_softc *ahd, Scsi_Host_Template *template)
         host->max_lun = AHD_NUM_LUNS;
         host->max_channel = 0;
         host->sg_tablesize = AHD_NSEG;
-        ahd_set_unit(ahd, ahd_linux_next_unit());
+        ahd_set_unit(ahd, ahd_linux_unit++);
         sprintf(buf, "scsi%d", host->host_no);
         new_name = malloc(strlen(buf) + 1, M_DEVBUF, M_NOWAIT);
         if (new_name != NULL) {
@@ -2020,54 +1099,14 @@ ahd_linux_register_host(struct ahd_softc *ahd, Scsi_Host_Template *template)
                 ahd_set_name(ahd, new_name);
         }
         host->unique_id = ahd->unit;
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        scsi_set_pci_device(host, ahd->dev_softc);
-#endif
-        ahd_linux_setup_user_rd_strm_settings(ahd);
         ahd_linux_initialize_scsi_bus(ahd);
-        ahd_unlock(ahd, &s);
-        ahd->platform_data->dv_pid = kernel_thread(ahd_linux_dv_thread, ahd, 0);
-        ahd_lock(ahd, &s);
-        if (ahd->platform_data->dv_pid < 0) {
-                printf("%s: Failed to create DV thread, error= %d\n",
-                       ahd_name(ahd), ahd->platform_data->dv_pid);
-                return (-ahd->platform_data->dv_pid);
-        }
-        /*
-         * Initially allocate *all* of our linux target objects
-         * so that the DV thread will scan them all in parallel
-         * just after driver initialization.  Any device that
-         * does not exist will have its target object destroyed
-         * by the selection timeout handler.  In the case of a
-         * device that appears after the initial DV scan, async
-         * negotiation will occur for the first command, and DV
-         * will comence should that first command be successful.
-         */
-        for (target = 0; target < host->max_id; target++) {
-
-                /*
-                 * Skip our own ID.  Some Compaq/HP storage devices
-                 * have enclosure management devices that respond to
-                 * single bit selection (i.e. selecting ourselves).
-                 * It is expected that either an external application
-                 * or a modified kernel will be used to probe this
-                 * ID if it is appropriate.  To accommodate these
-                 * installations, ahc_linux_alloc_target() will allocate
-                 * for our ID if asked to do so.
-                 */
-                if (target == ahd->our_id) 
-                        continue;
-
-                ahd_linux_alloc_target(ahd, 0, target);
-        }
         ahd_intr_enable(ahd, TRUE);
-        ahd_linux_start_dv(ahd);
         ahd_unlock(ahd, &s);
 
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+        host->transportt = ahd_linux_transport_template;
+
         scsi_add_host(host, &ahd->dev_softc->dev); /* XXX handle failure */
         scsi_scan_host(host);
-#endif
         return (0);
 }
 
@@ -2081,29 +1120,6 @@ ahd_linux_get_memsize(void)
 }
 
 /*
- * Find the smallest available unit number to use
- * for a new device.  We don't just use a static
- * count to handle the "repeated hot-(un)plug"
- * scenario.
- */
-static int
-ahd_linux_next_unit(void)
-{
-        struct ahd_softc *ahd;
-        int unit;
-
-        unit = 0;
-retry:
-        TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-                if (ahd->unit == unit) {
-                        unit++;
-                        goto retry;
-                }
-        }
-        return (unit);
-}
-
-/*
  * Place the SCSI bus into a known state by either resetting it,
  * or forcing transfer negotiations on the next command to any
  * target.
@@ -2162,20 +1178,9 @@ ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
         if (ahd->platform_data == NULL)
                 return (ENOMEM);
         memset(ahd->platform_data, 0, sizeof(struct ahd_platform_data));
-        TAILQ_INIT(&ahd->platform_data->completeq);
-        TAILQ_INIT(&ahd->platform_data->device_runq);
         ahd->platform_data->irq = AHD_LINUX_NOIRQ;
-        ahd->platform_data->hw_dma_mask = 0xFFFFFFFF;
         ahd_lockinit(ahd);
-        ahd_done_lockinit(ahd);
-        init_timer(&ahd->platform_data->completeq_timer);
-        ahd->platform_data->completeq_timer.data = (u_long)ahd;
-        ahd->platform_data->completeq_timer.function =
-            (ahd_linux_callback_t *)ahd_linux_thread_run_complete_queue;
         init_MUTEX_LOCKED(&ahd->platform_data->eh_sem);
-        init_MUTEX_LOCKED(&ahd->platform_data->dv_sem);
-        init_MUTEX_LOCKED(&ahd->platform_data->dv_cmd_sem);
-        ahd_setup_runq_tasklet(ahd);
         ahd->seltime = (aic79xx_seltime & 0x3) << 4;
         return (0);
 }
@@ -2183,39 +1188,27 @@ ahd_platform_alloc(struct ahd_softc *ahd, void *platform_arg)
 void
 ahd_platform_free(struct ahd_softc *ahd)
 {
-        struct ahd_linux_target *targ;
-        struct ahd_linux_device *dev;
+        struct scsi_target *starget;
         int i, j;
 
         if (ahd->platform_data != NULL) {
-                del_timer_sync(&ahd->platform_data->completeq_timer);
-                ahd_linux_kill_dv_thread(ahd);
-                ahd_teardown_runq_tasklet(ahd);
                 if (ahd->platform_data->host != NULL) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
                         scsi_remove_host(ahd->platform_data->host);
-#endif
                         scsi_host_put(ahd->platform_data->host);
                 }
 
                 /* destroy all of the device and target objects */
                 for (i = 0; i < AHD_NUM_TARGETS; i++) {
-                        targ = ahd->platform_data->targets[i];
-                        if (targ != NULL) {
-                                /* Keep target around through the loop. */
-                                targ->refcount++;
+                        starget = ahd->platform_data->starget[i];
+                        if (starget != NULL) {
                                 for (j = 0; j < AHD_NUM_LUNS; j++) {
-
-                                        if (targ->devices[j] == NULL)
+                                        struct ahd_linux_target *targ =
+                                                scsi_transport_target_data(starget);
+                                        if (targ->sdev[j] == NULL)
                                                 continue;
-                                        dev = targ->devices[j];
-                                        ahd_linux_free_device(ahd, dev);
+                                        targ->sdev[j] = NULL;
                                 }
-                                /*
-                                 * Forcibly free the target now that
-                                 * all devices are gone.
-                                 */
-                                ahd_linux_free_target(ahd, targ);
+                                ahd->platform_data->starget[i] = NULL;
                         }
                 }
 
@@ -2233,16 +1226,6 @@ ahd_platform_free(struct ahd_softc *ahd)
                         release_mem_region(ahd->platform_data->mem_busaddr,
                                            0x1000);
                 }
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-                /*
-                 * In 2.4 we detach from the scsi midlayer before the PCI
-                 * layer invokes our remove callback.  No per-instance
-                 * detach is provided, so we must reach inside the PCI
-                 * subsystem's internals and detach our driver manually.
-                 */
-                if (ahd->dev_softc != NULL)
-                        ahd->dev_softc->driver = NULL;
-#endif
                 free(ahd->platform_data, M_DEVBUF);
         }
 }
@@ -2280,13 +1263,22 @@ void
 ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
                       ahd_queue_alg alg)
 {
+        struct scsi_target *starget;
+        struct ahd_linux_target *targ;
         struct ahd_linux_device *dev;
+        struct scsi_device *sdev;
         int was_queuing;
         int now_queuing;
 
-        dev = ahd_linux_get_device(ahd, devinfo->channel - 'A',
-                                   devinfo->target,
-                                   devinfo->lun, /*alloc*/FALSE);
+        starget = ahd->platform_data->starget[devinfo->target];
+        targ = scsi_transport_target_data(starget);
+        BUG_ON(targ == NULL);
+        sdev = targ->sdev[devinfo->lun];
+        if (sdev == NULL)
+                return;
+
+        dev = scsi_transport_device_data(sdev);
+
         if (dev == NULL)
                 return;
         was_queuing = dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED);
@@ -2339,1434 +1331,37 @@ ahd_platform_set_tags(struct ahd_softc *ahd, struct ahd_devinfo *devinfo,
                 dev->maxtags = 0;
                 dev->openings =  1 - dev->active;
         }
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-        if (dev->scsi_device != NULL) {
-                switch ((dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED))) {
-                case AHD_DEV_Q_BASIC:
-                        scsi_adjust_queue_depth(dev->scsi_device,
-                                                MSG_SIMPLE_TASK,
-                                                dev->openings + dev->active);
-                        break;
-                case AHD_DEV_Q_TAGGED:
-                        scsi_adjust_queue_depth(dev->scsi_device,
-                                                MSG_ORDERED_TASK,
-                                                dev->openings + dev->active);
-                        break;
-                default:
-                        /*
-                         * We allow the OS to queue 2 untagged transactions to
-                         * us at any time even though we can only execute them
-                         * serially on the controller/device.  This should
-                         * remove some latency.
-                         */
-                        scsi_adjust_queue_depth(dev->scsi_device,
-                                                /*NON-TAGGED*/0,
-                                                /*queue depth*/2);
-                        break;
-                }
-        }
-#endif
-}
-
-int
-ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, char channel,
-                        int lun, u_int tag, role_t role, uint32_t status)
-{
-        int targ;
-        int maxtarg;
-        int maxlun;
-        int clun;
-        int count;
-
-        if (tag != SCB_LIST_NULL)
-                return (0);
-
-        targ = 0;
-        if (target != CAM_TARGET_WILDCARD) {
-                targ = target;
-                maxtarg = targ + 1;
-        } else {
-                maxtarg = (ahd->features & AHD_WIDE) ? 16 : 8;
-        }
-        clun = 0;
-        if (lun != CAM_LUN_WILDCARD) {
-                clun = lun;
-                maxlun = clun + 1;
-        } else {
-                maxlun = AHD_NUM_LUNS;
-        }
-
-        count = 0;
-        for (; targ < maxtarg; targ++) {
-
-                for (; clun < maxlun; clun++) {
-                        struct ahd_linux_device *dev;
-                        struct ahd_busyq *busyq;
-                        struct ahd_cmd *acmd;
-
-                        dev = ahd_linux_get_device(ahd, /*chan*/0, targ,
-                                                   clun, /*alloc*/FALSE);
-                        if (dev == NULL)
-                                continue;
-
-                        busyq = &dev->busyq;
-                        while ((acmd = TAILQ_FIRST(busyq)) != NULL) {
-                                Scsi_Cmnd *cmd;
-
-                                cmd = &acmd_scsi_cmd(acmd);
-                                TAILQ_REMOVE(busyq, acmd,
-                                             acmd_links.tqe);
-                                count++;
-                                cmd->result = status << 16;
-                                ahd_linux_queue_cmd_complete(ahd, cmd);
-                        }
-                }
-        }
-
-        return (count);
-}
-
-static void
-ahd_linux_thread_run_complete_queue(struct ahd_softc *ahd)
-{
-        u_long flags;
-
-        ahd_lock(ahd, &flags);
-        del_timer(&ahd->platform_data->completeq_timer);
-        ahd->platform_data->flags &= ~AHD_RUN_CMPLT_Q_TIMER;
-        ahd_linux_run_complete_queue(ahd);
-        ahd_unlock(ahd, &flags);
-}
-
-static void
-ahd_linux_start_dv(struct ahd_softc *ahd)
-{
-
-        /*
-         * Freeze the simq and signal ahd_linux_queue to not let any
-         * more commands through
-         */
-        if ((ahd->platform_data->flags & AHD_DV_ACTIVE) == 0) {
-#ifdef AHD_DEBUG
-                if (ahd_debug & AHD_SHOW_DV)
-                        printf("%s: Starting DV\n", ahd_name(ahd));
-#endif
-
-                ahd->platform_data->flags |= AHD_DV_ACTIVE;
-                ahd_freeze_simq(ahd);
-
-                /* Wake up the DV kthread */
-                up(&ahd->platform_data->dv_sem);
-        }
-}
-
-static int
-ahd_linux_dv_thread(void *data)
-{
-        struct  ahd_softc *ahd;
-        int     target;
-        u_long  s;
-
-        ahd = (struct ahd_softc *)data;
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV)
-                printf("In DV Thread\n");
-#endif
-
-        /*
-         * Complete thread creation.
-         */
-        lock_kernel();
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,60)
-        /*
-         * Don't care about any signals.
-         */
-        siginitsetinv(&current->blocked, 0);
-
-        daemonize();
-        sprintf(current->comm, "ahd_dv_%d", ahd->unit);
-#else
-        daemonize("ahd_dv_%d", ahd->unit);
-        current->flags |= PF_NOFREEZE;
-#endif
-        unlock_kernel();
-
-        while (1) {
-                /*
-                 * Use down_interruptible() rather than down() to
-                 * avoid inclusion in the load average.
-                 */
-                down_interruptible(&ahd->platform_data->dv_sem);
-
-                /* Check to see if we've been signaled to exit */
-                ahd_lock(ahd, &s);
-                if ((ahd->platform_data->flags & AHD_DV_SHUTDOWN) != 0) {
-                        ahd_unlock(ahd, &s);
-                        break;
-                }
-                ahd_unlock(ahd, &s);
-
-#ifdef AHD_DEBUG
-                if (ahd_debug & AHD_SHOW_DV)
-                        printf("%s: Beginning Domain Validation\n",
-                               ahd_name(ahd));
-#endif
-
-                /*
-                 * Wait for any pending commands to drain before proceeding.
-                 */
-                ahd_lock(ahd, &s);
-                while (LIST_FIRST(&ahd->pending_scbs) != NULL) {
-                        ahd->platform_data->flags |= AHD_DV_WAIT_SIMQ_EMPTY;
-                        ahd_unlock(ahd, &s);
-                        down_interruptible(&ahd->platform_data->dv_sem);
-                        ahd_lock(ahd, &s);
-                }
-
-                /*
-                 * Wait for the SIMQ to be released so that DV is the
-                 * only reason the queue is frozen.
-                 */
-                while (AHD_DV_SIMQ_FROZEN(ahd) == 0) {
-                        ahd->platform_data->flags |= AHD_DV_WAIT_SIMQ_RELEASE;
-                        ahd_unlock(ahd, &s);
-                        down_interruptible(&ahd->platform_data->dv_sem);
-                        ahd_lock(ahd, &s);
-                }
-                ahd_unlock(ahd, &s);
-
-                for (target = 0; target < AHD_NUM_TARGETS; target++)
-                        ahd_linux_dv_target(ahd, target);
-
-                ahd_lock(ahd, &s);
-                ahd->platform_data->flags &= ~AHD_DV_ACTIVE;
-                ahd_unlock(ahd, &s);
-
-                /*
-                 * Release the SIMQ so that normal commands are
-                 * allowed to continue on the bus.
-                 */
-                ahd_release_simq(ahd);
-        }
-        up(&ahd->platform_data->eh_sem);
-        return (0);
-}
-
-static void
-ahd_linux_kill_dv_thread(struct ahd_softc *ahd)
-{
-        u_long s;
-
-        ahd_lock(ahd, &s);
-        if (ahd->platform_data->dv_pid != 0) {
-                ahd->platform_data->flags |= AHD_DV_SHUTDOWN;
-                ahd_unlock(ahd, &s);
-                up(&ahd->platform_data->dv_sem);
-
-                /*
-                 * Use the eh_sem as an indicator that the
-                 * dv thread is exiting.  Note that the dv
-                 * thread must still return after performing
-                 * the up on our semaphore before it has
-                 * completely exited this module.  Unfortunately,
-                 * there seems to be no easy way to wait for the
-                 * exit of a thread for which you are not the
-                 * parent (dv threads are parented by init).
-                 * Cross your fingers...
-                 */
-                down(&ahd->platform_data->eh_sem);
-
-                /*
-                 * Mark the dv thread as already dead.  This
-                 * avoids attempting to kill it a second time.
-                 * This is necessary because we must kill the
-                 * DV thread before calling ahd_free() in the
-                 * module shutdown case to avoid bogus locking
-                 * in the SCSI mid-layer, but we ahd_free() is
-                 * called without killing the DV thread in the
-                 * instance detach case, so ahd_platform_free()
-                 * calls us again to verify that the DV thread
-                 * is dead.
-                 */
-                ahd->platform_data->dv_pid = 0;
-        } else {
-                ahd_unlock(ahd, &s);
-        }
-}
-
-#define AHD_LINUX_DV_INQ_SHORT_LEN      36
-#define AHD_LINUX_DV_INQ_LEN            256
-#define AHD_LINUX_DV_TIMEOUT            (HZ / 4)
-
-#define AHD_SET_DV_STATE(ahd, targ, newstate) \
-        ahd_set_dv_state(ahd, targ, newstate, __LINE__)
-
-static __inline void
-ahd_set_dv_state(struct ahd_softc *ahd, struct ahd_linux_target *targ,
-                 ahd_dv_state newstate, u_int line)
-{
-        ahd_dv_state oldstate;
-
-        oldstate = targ->dv_state;
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV)
-                printf("%s:%d: Going from state %d to state %d\n",
-                       ahd_name(ahd), line, oldstate, newstate);
-#endif
-
-        if (oldstate == newstate)
-                targ->dv_state_retry++;
-        else
-                targ->dv_state_retry = 0;
-        targ->dv_state = newstate;
-}
-
-static void
-ahd_linux_dv_target(struct ahd_softc *ahd, u_int target_offset)
-{
-        struct   ahd_devinfo devinfo;
-        struct   ahd_linux_target *targ;
-        struct   scsi_cmnd *cmd;
-        struct   scsi_device *scsi_dev;
-        struct   scsi_sense_data *sense;
-        uint8_t *buffer;
-        u_long   s;
-        u_int    timeout;
-        int      echo_size;
-
-        sense = NULL;
-        buffer = NULL;
-        echo_size = 0;
-        ahd_lock(ahd, &s);
-        targ = ahd->platform_data->targets[target_offset];
-        if (targ == NULL || (targ->flags & AHD_DV_REQUIRED) == 0) {
-                ahd_unlock(ahd, &s);
-                return;
-        }
-        ahd_compile_devinfo(&devinfo, ahd->our_id, targ->target, /*lun*/0,
-                            targ->channel + 'A', ROLE_INITIATOR);
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, &devinfo);
-                printf("Performing DV\n");
-        }
-#endif
-
-        ahd_unlock(ahd, &s);
-
-        cmd = malloc(sizeof(struct scsi_cmnd), M_DEVBUF, M_WAITOK);
-        scsi_dev = malloc(sizeof(struct scsi_device), M_DEVBUF, M_WAITOK);
-        scsi_dev->host = ahd->platform_data->host;
-        scsi_dev->id = devinfo.target;
-        scsi_dev->lun = devinfo.lun;
-        scsi_dev->channel = devinfo.channel - 'A';
-        ahd->platform_data->dv_scsi_dev = scsi_dev;
-
-        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_INQ_SHORT_ASYNC);
-
-        while (targ->dv_state != AHD_DV_STATE_EXIT) {
-                timeout = AHD_LINUX_DV_TIMEOUT;
-                switch (targ->dv_state) {
-                case AHD_DV_STATE_INQ_SHORT_ASYNC:
-                case AHD_DV_STATE_INQ_ASYNC:
-                case AHD_DV_STATE_INQ_ASYNC_VERIFY:
-                        /*
-                         * Set things to async narrow to reduce the
-                         * chance that the INQ will fail.
-                         */
-                        ahd_lock(ahd, &s);
-                        ahd_set_syncrate(ahd, &devinfo, 0, 0, 0,
-                                         AHD_TRANS_GOAL, /*paused*/FALSE);
-                        ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
-                                      AHD_TRANS_GOAL, /*paused*/FALSE);
-                        ahd_unlock(ahd, &s);
-                        timeout = 10 * HZ;
-                        targ->flags &= ~AHD_INQ_VALID;
-                        /* FALLTHROUGH */
-                case AHD_DV_STATE_INQ_VERIFY:
-                {
-                        u_int inq_len;
-
-                        if (targ->dv_state == AHD_DV_STATE_INQ_SHORT_ASYNC)
-                                inq_len = AHD_LINUX_DV_INQ_SHORT_LEN;
-                        else
-                                inq_len = targ->inq_data->additional_length + 5;
-                        ahd_linux_dv_inq(ahd, cmd, &devinfo, targ, inq_len);
-                        break;
-                }
-                case AHD_DV_STATE_TUR:
-                case AHD_DV_STATE_BUSY:
-                        timeout = 5 * HZ;
-                        ahd_linux_dv_tur(ahd, cmd, &devinfo);
-                        break;
-                case AHD_DV_STATE_REBD:
-                        ahd_linux_dv_rebd(ahd, cmd, &devinfo, targ);
-                        break;
-                case AHD_DV_STATE_WEB:
-                        ahd_linux_dv_web(ahd, cmd, &devinfo, targ);
-                        break;
-
-                case AHD_DV_STATE_REB:
-                        ahd_linux_dv_reb(ahd, cmd, &devinfo, targ);
-                        break;
-
-                case AHD_DV_STATE_SU:
-                        ahd_linux_dv_su(ahd, cmd, &devinfo, targ);
-                        timeout = 50 * HZ;
-                        break;
-
-                default:
-                        ahd_print_devinfo(ahd, &devinfo);
-                        printf("Unknown DV state %d\n", targ->dv_state);
-                        goto out;
-                }
-
-                /* Queue the command and wait for it to complete */
-                /* Abuse eh_timeout in the scsi_cmnd struct for our purposes */
-                init_timer(&cmd->eh_timeout);
-#ifdef AHD_DEBUG
-                if ((ahd_debug & AHD_SHOW_MESSAGES) != 0)
-                        /*
-                         * All of the printfs during negotiation
-                         * really slow down the negotiation.
-                         * Add a bit of time just to be safe.
-                         */
-                        timeout += HZ;
-#endif
-                scsi_add_timer(cmd, timeout, ahd_linux_dv_timeout);
-                /*
-                 * In 2.5.X, it is assumed that all calls from the
-                 * "midlayer" (which we are emulating) will have the
-                 * ahd host lock held.  For other kernels, the
-                 * io_request_lock must be held.
-                 */
-#if AHD_SCSI_HAS_HOST_LOCK != 0
-                ahd_lock(ahd, &s);
-#else
-                spin_lock_irqsave(&io_request_lock, s);
-#endif
-                ahd_linux_queue(cmd, ahd_linux_dv_complete);
-#if AHD_SCSI_HAS_HOST_LOCK != 0
-                ahd_unlock(ahd, &s);
-#else
-                spin_unlock_irqrestore(&io_request_lock, s);
-#endif
-                down_interruptible(&ahd->platform_data->dv_cmd_sem);
-                /*
-                 * Wait for the SIMQ to be released so that DV is the
-                 * only reason the queue is frozen.
-                 */
-                ahd_lock(ahd, &s);
-                while (AHD_DV_SIMQ_FROZEN(ahd) == 0) {
-                        ahd->platform_data->flags |= AHD_DV_WAIT_SIMQ_RELEASE;
-                        ahd_unlock(ahd, &s);
-                        down_interruptible(&ahd->platform_data->dv_sem);
-                        ahd_lock(ahd, &s);
-                }
-                ahd_unlock(ahd, &s);
-
-                ahd_linux_dv_transition(ahd, cmd, &devinfo, targ);
-        }
-
-out:
-        if ((targ->flags & AHD_INQ_VALID) != 0
-         && ahd_linux_get_device(ahd, devinfo.channel - 'A',
-                                 devinfo.target, devinfo.lun,
-                                 /*alloc*/FALSE) == NULL) {
-                /*
-                 * The DV state machine failed to configure this device.  
-                 * This is normal if DV is disabled.  Since we have inquiry
-                 * data, filter it and use the "optimistic" negotiation
-                 * parameters found in the inquiry string.
-                 */
-                ahd_linux_filter_inquiry(ahd, &devinfo);
-                if ((targ->flags & (AHD_BASIC_DV|AHD_ENHANCED_DV)) != 0) {
-                        ahd_print_devinfo(ahd, &devinfo);
-                        printf("DV failed to configure device.  "
-                               "Please file a bug report against "
-                               "this driver.\n");
-                }
-        }
-
-        if (cmd != NULL)
-                free(cmd, M_DEVBUF);
-
-        if (ahd->platform_data->dv_scsi_dev != NULL) {
-                free(ahd->platform_data->dv_scsi_dev, M_DEVBUF);
-                ahd->platform_data->dv_scsi_dev = NULL;
-        }
-
-        ahd_lock(ahd, &s);
-        if (targ->dv_buffer != NULL) {
-                free(targ->dv_buffer, M_DEVBUF);
-                targ->dv_buffer = NULL;
-        }
-        if (targ->dv_buffer1 != NULL) {
-                free(targ->dv_buffer1, M_DEVBUF);
-                targ->dv_buffer1 = NULL;
-        }
-        targ->flags &= ~AHD_DV_REQUIRED;
-        if (targ->refcount == 0)
-                ahd_linux_free_target(ahd, targ);
-        ahd_unlock(ahd, &s);
-}
-
-static __inline int
-ahd_linux_dv_fallback(struct ahd_softc *ahd, struct ahd_devinfo *devinfo)
-{
-        u_long s;
-        int retval;
-
-        ahd_lock(ahd, &s);
-        retval = ahd_linux_fallback(ahd, devinfo);
-        ahd_unlock(ahd, &s);
-
-        return (retval);
-}
-
-static void
-ahd_linux_dv_transition(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                        struct ahd_devinfo *devinfo,
-                        struct ahd_linux_target *targ)
-{
-        u_int32_t status;
-
-        status = aic_error_action(cmd, targ->inq_data,
-                                  ahd_cmd_get_transaction_status(cmd),
-                                  ahd_cmd_get_scsi_status(cmd));
-
-        
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Entering ahd_linux_dv_transition, state= %d, "
-                       "status= 0x%x, cmd->result= 0x%x\n", targ->dv_state,
-                       status, cmd->result);
-        }
-#endif
 
-        switch (targ->dv_state) {
-        case AHD_DV_STATE_INQ_SHORT_ASYNC:
-        case AHD_DV_STATE_INQ_ASYNC:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                {
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state+1);
-                        break;
-                }
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_TUR:
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ)
-                                targ->dv_state_retry--;
-                        if ((status & SS_ERRMASK) == EBUSY)
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_BUSY);
-                        if (targ->dv_state_retry < 10)
-                                break;
-                        /* FALLTHROUGH */
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("Failed DV inquiry, skipping\n");
-                        }
-#endif
-                        break;
-                }
+        switch ((dev->flags & (AHD_DEV_Q_BASIC|AHD_DEV_Q_TAGGED))) {
+        case AHD_DEV_Q_BASIC:
+                scsi_adjust_queue_depth(sdev,
+                                        MSG_SIMPLE_TASK,
+                                        dev->openings + dev->active);
                 break;
-        case AHD_DV_STATE_INQ_ASYNC_VERIFY:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                {
-                        u_int xportflags;
-                        u_int spi3data;
-
-                        if (memcmp(targ->inq_data, targ->dv_buffer,
-                                   AHD_LINUX_DV_INQ_LEN) != 0) {
-                                /*
-                                 * Inquiry data must have changed.
-                                 * Try from the top again.
-                                 */
-                                AHD_SET_DV_STATE(ahd, targ,
-                                                 AHD_DV_STATE_INQ_SHORT_ASYNC);
-                                break;
-                        }
-
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state+1);
-                        targ->flags |= AHD_INQ_VALID;
-                        if (ahd_linux_user_dv_setting(ahd) == 0)
-                                break;
-
-                        xportflags = targ->inq_data->flags;
-                        if ((xportflags & (SID_Sync|SID_WBus16)) == 0)
-                                break;
-
-                        spi3data = targ->inq_data->spi3data;
-                        switch (spi3data & SID_SPI_CLOCK_DT_ST) {
-                        default:
-                        case SID_SPI_CLOCK_ST:
-                                /* Assume only basic DV is supported. */
-                                targ->flags |= AHD_BASIC_DV;
-                                break;
-                        case SID_SPI_CLOCK_DT:
-                        case SID_SPI_CLOCK_DT_ST:
-                                targ->flags |= AHD_ENHANCED_DV;
-                                break;
-                        }
-                        break;
-                }
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_TUR:
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ)
-                                targ->dv_state_retry--;
-
-                        if ((status & SS_ERRMASK) == EBUSY)
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_BUSY);
-                        if (targ->dv_state_retry < 10)
-                                break;
-                        /* FALLTHROUGH */
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("Failed DV inquiry, skipping\n");
-                        }
-#endif
-                        break;
-                }
+        case AHD_DEV_Q_TAGGED:
+                scsi_adjust_queue_depth(sdev,
+                                        MSG_ORDERED_TASK,
+                                        dev->openings + dev->active);
                 break;
-        case AHD_DV_STATE_INQ_VERIFY:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                {
-
-                        if (memcmp(targ->inq_data, targ->dv_buffer,
-                                   AHD_LINUX_DV_INQ_LEN) == 0) {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                                break;
-                        }
-
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                int i;
-
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("Inquiry buffer mismatch:");
-                                for (i = 0; i < AHD_LINUX_DV_INQ_LEN; i++) {
-                                        if ((i & 0xF) == 0)
-                                                printf("\n        ");
-                                        printf("0x%x:0x0%x ",
-                                               ((uint8_t *)targ->inq_data)[i], 
-                                               targ->dv_buffer[i]);
-                                }
-                                printf("\n");
-                        }
-#endif
-
-                        if (ahd_linux_dv_fallback(ahd, devinfo) != 0) {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                                break;
-                        }
-                        /*
-                         * Do not count "falling back"
-                         * against our retries.
-                         */
-                        targ->dv_state_retry = 0;
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        break;
-                }
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_TUR:
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ) {
-                                targ->dv_state_retry--;
-                        } else if ((status & SSQ_FALLBACK) != 0) {
-                                if (ahd_linux_dv_fallback(ahd, devinfo) != 0) {
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_EXIT);
-                                        break;
-                                }
-                                /*
-                                 * Do not count "falling back"
-                                 * against our retries.
-                                 */
-                                targ->dv_state_retry = 0;
-                        } else if ((status & SS_ERRMASK) == EBUSY)
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_BUSY);
-                        if (targ->dv_state_retry < 10)
-                                break;
-                        /* FALLTHROUGH */
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("Failed DV inquiry, skipping\n");
-                        }
-#endif
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_TUR:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                        if ((targ->flags & AHD_BASIC_DV) != 0) {
-                                ahd_linux_filter_inquiry(ahd, devinfo);
-                                AHD_SET_DV_STATE(ahd, targ,
-                                                 AHD_DV_STATE_INQ_VERIFY);
-                        } else if ((targ->flags & AHD_ENHANCED_DV) != 0) {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_REBD);
-                        } else {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        }
-                        break;
-                case SS_RETRY:
-                case SS_TUR:
-                        if ((status & SS_ERRMASK) == EBUSY) {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_BUSY);
-                                break;
-                        }
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ) {
-                                targ->dv_state_retry--;
-                        } else if ((status & SSQ_FALLBACK) != 0) {
-                                if (ahd_linux_dv_fallback(ahd, devinfo) != 0) {
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_EXIT);
-                                        break;
-                                }
-                                /*
-                                 * Do not count "falling back"
-                                 * against our retries.
-                                 */
-                                targ->dv_state_retry = 0;
-                        }
-                        if (targ->dv_state_retry >= 10) {
-#ifdef AHD_DEBUG
-                                if (ahd_debug & AHD_SHOW_DV) {
-                                        ahd_print_devinfo(ahd, devinfo);
-                                        printf("DV TUR reties exhausted\n");
-                                }
-#endif
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                                break;
-                        }
-                        if (status & SSQ_DELAY)
-                                ssleep(1);
-
-                        break;
-                case SS_START:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_SU);
-                        break;
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_REBD:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                {
-                        uint32_t echo_size;
-
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_WEB);
-                        echo_size = scsi_3btoul(&targ->dv_buffer[1]);
-                        echo_size &= 0x1FFF;
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("Echo buffer size= %d\n", echo_size);
-                        }
-#endif
-                        if (echo_size == 0) {
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                                break;
-                        }
-
-                        /* Generate the buffer pattern */
-                        targ->dv_echo_size = echo_size;
-                        ahd_linux_generate_dv_pattern(targ);
-                        /*
-                         * Setup initial negotiation values.
-                         */
-                        ahd_linux_filter_inquiry(ahd, devinfo);
-                        break;
-                }
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ)
-                                targ->dv_state_retry--;
-                        if (targ->dv_state_retry <= 10)
-                                break;
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("DV REBD reties exhausted\n");
-                        }
-#endif
-                        /* FALLTHROUGH */
-                case SS_FATAL:
-                default:
-                        /*
-                         * Setup initial negotiation values
-                         * and try level 1 DV.
-                         */
-                        ahd_linux_filter_inquiry(ahd, devinfo);
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_INQ_VERIFY);
-                        targ->dv_echo_size = 0;
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_WEB:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_REB);
-                        break;
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ) {
-                                targ->dv_state_retry--;
-                        } else if ((status & SSQ_FALLBACK) != 0) {
-                                if (ahd_linux_dv_fallback(ahd, devinfo) != 0) {
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_EXIT);
-                                        break;
-                                }
-                                /*
-                                 * Do not count "falling back"
-                                 * against our retries.
-                                 */
-                                targ->dv_state_retry = 0;
-                        }
-                        if (targ->dv_state_retry <= 10)
-                                break;
-                        /* FALLTHROUGH */
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("DV WEB reties exhausted\n");
-                        }
-#endif
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_REB:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                        if (memcmp(targ->dv_buffer, targ->dv_buffer1,
-                                   targ->dv_echo_size) != 0) {
-                                if (ahd_linux_dv_fallback(ahd, devinfo) != 0)
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_EXIT);
-                                else
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_WEB);
-                                break;
-                        }
-                        
-                        if (targ->dv_buffer != NULL) {
-                                free(targ->dv_buffer, M_DEVBUF);
-                                targ->dv_buffer = NULL;
-                        }
-                        if (targ->dv_buffer1 != NULL) {
-                                free(targ->dv_buffer1, M_DEVBUF);
-                                targ->dv_buffer1 = NULL;
-                        }
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ) {
-                                targ->dv_state_retry--;
-                        } else if ((status & SSQ_FALLBACK) != 0) {
-                                if (ahd_linux_dv_fallback(ahd, devinfo) != 0) {
-                                        AHD_SET_DV_STATE(ahd, targ,
-                                                         AHD_DV_STATE_EXIT);
-                                        break;
-                                }
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_WEB);
-                        }
-                        if (targ->dv_state_retry <= 10) {
-                                if ((status & (SSQ_DELAY_RANDOM|SSQ_DELAY))!= 0)
-                                        msleep(ahd->our_id*1000/10);
-                                break;
-                        }
-#ifdef AHD_DEBUG
-                        if (ahd_debug & AHD_SHOW_DV) {
-                                ahd_print_devinfo(ahd, devinfo);
-                                printf("DV REB reties exhausted\n");
-                        }
-#endif
-                        /* FALLTHROUGH */
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_SU:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                }
-                break;
-
-        case AHD_DV_STATE_BUSY:
-                switch (status & SS_MASK) {
-                case SS_NOP:
-                case SS_INQ_REFRESH:
-                        AHD_SET_DV_STATE(ahd, targ,
-                                         AHD_DV_STATE_INQ_SHORT_ASYNC);
-                        break;
-                case SS_TUR:
-                case SS_RETRY:
-                        AHD_SET_DV_STATE(ahd, targ, targ->dv_state);
-                        if (ahd_cmd_get_transaction_status(cmd)
-                         == CAM_REQUEUE_REQ) {
-                                targ->dv_state_retry--;
-                        } else if (targ->dv_state_retry < 60) {
-                                if ((status & SSQ_DELAY) != 0)
-                                        ssleep(1);
-                        } else {
-#ifdef AHD_DEBUG
-                                if (ahd_debug & AHD_SHOW_DV) {
-                                        ahd_print_devinfo(ahd, devinfo);
-                                        printf("DV BUSY reties exhausted\n");
-                                }
-#endif
-                                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        }
-                        break;
-                default:
-                        AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                        break;
-                }
-                break;
-
         default:
-                printf("%s: Invalid DV completion state %d\n", ahd_name(ahd),
-                       targ->dv_state);
-                AHD_SET_DV_STATE(ahd, targ, AHD_DV_STATE_EXIT);
-                break;
-        }
-}
-
-static void
-ahd_linux_dv_fill_cmd(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                      struct ahd_devinfo *devinfo)
-{
-        memset(cmd, 0, sizeof(struct scsi_cmnd));
-        cmd->device = ahd->platform_data->dv_scsi_dev;
-        cmd->scsi_done = ahd_linux_dv_complete;
-}
-
-/*
- * Synthesize an inquiry command.  On the return trip, it'll be
- * sniffed and the device transfer settings set for us.
- */
-static void
-ahd_linux_dv_inq(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                 struct ahd_devinfo *devinfo, struct ahd_linux_target *targ,
-                 u_int request_length)
-{
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending INQ\n");
-        }
-#endif
-        if (targ->inq_data == NULL)
-                targ->inq_data = malloc(AHD_LINUX_DV_INQ_LEN,
-                                        M_DEVBUF, M_WAITOK);
-        if (targ->dv_state > AHD_DV_STATE_INQ_ASYNC) {
-                if (targ->dv_buffer != NULL)
-                        free(targ->dv_buffer, M_DEVBUF);
-                targ->dv_buffer = malloc(AHD_LINUX_DV_INQ_LEN,
-                                         M_DEVBUF, M_WAITOK);
-        }
-
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_FROM_DEVICE;
-        cmd->cmd_len = 6;
-        cmd->cmnd[0] = INQUIRY;
-        cmd->cmnd[4] = request_length;
-        cmd->request_bufflen = request_length;
-        if (targ->dv_state > AHD_DV_STATE_INQ_ASYNC)
-                cmd->request_buffer = targ->dv_buffer;
-        else
-                cmd->request_buffer = targ->inq_data;
-        memset(cmd->request_buffer, 0, AHD_LINUX_DV_INQ_LEN);
-}
-
-static void
-ahd_linux_dv_tur(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                 struct ahd_devinfo *devinfo)
-{
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending TUR\n");
-        }
-#endif
-        /* Do a TUR to clear out any non-fatal transitional state */
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_NONE;
-        cmd->cmd_len = 6;
-        cmd->cmnd[0] = TEST_UNIT_READY;
-}
-
-#define AHD_REBD_LEN 4
-
-static void
-ahd_linux_dv_rebd(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                 struct ahd_devinfo *devinfo, struct ahd_linux_target *targ)
-{
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending REBD\n");
-        }
-#endif
-        if (targ->dv_buffer != NULL)
-                free(targ->dv_buffer, M_DEVBUF);
-        targ->dv_buffer = malloc(AHD_REBD_LEN, M_DEVBUF, M_WAITOK);
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_FROM_DEVICE;
-        cmd->cmd_len = 10;
-        cmd->cmnd[0] = READ_BUFFER;
-        cmd->cmnd[1] = 0x0b;
-        scsi_ulto3b(AHD_REBD_LEN, &cmd->cmnd[6]);
-        cmd->request_bufflen = AHD_REBD_LEN;
-        cmd->underflow = cmd->request_bufflen;
-        cmd->request_buffer = targ->dv_buffer;
-}
-
-static void
-ahd_linux_dv_web(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                 struct ahd_devinfo *devinfo, struct ahd_linux_target *targ)
-{
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending WEB\n");
-        }
-#endif
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_TO_DEVICE;
-        cmd->cmd_len = 10;
-        cmd->cmnd[0] = WRITE_BUFFER;
-        cmd->cmnd[1] = 0x0a;
-        scsi_ulto3b(targ->dv_echo_size, &cmd->cmnd[6]);
-        cmd->request_bufflen = targ->dv_echo_size;
-        cmd->underflow = cmd->request_bufflen;
-        cmd->request_buffer = targ->dv_buffer;
-}
-
-static void
-ahd_linux_dv_reb(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                 struct ahd_devinfo *devinfo, struct ahd_linux_target *targ)
-{
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending REB\n");
-        }
-#endif
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_FROM_DEVICE;
-        cmd->cmd_len = 10;
-        cmd->cmnd[0] = READ_BUFFER;
-        cmd->cmnd[1] = 0x0a;
-        scsi_ulto3b(targ->dv_echo_size, &cmd->cmnd[6]);
-        cmd->request_bufflen = targ->dv_echo_size;
-        cmd->underflow = cmd->request_bufflen;
-        cmd->request_buffer = targ->dv_buffer1;
-}
-
-static void
-ahd_linux_dv_su(struct ahd_softc *ahd, struct scsi_cmnd *cmd,
-                struct ahd_devinfo *devinfo,
-                struct ahd_linux_target *targ)
-{
-        u_int le;
-
-        le = SID_IS_REMOVABLE(targ->inq_data) ? SSS_LOEJ : 0;
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Sending SU\n");
-        }
-#endif
-        ahd_linux_dv_fill_cmd(ahd, cmd, devinfo);
-        cmd->sc_data_direction = DMA_NONE;
-        cmd->cmd_len = 6;
-        cmd->cmnd[0] = START_STOP_UNIT;
-        cmd->cmnd[4] = le | SSS_START;
-}
-
-static int
-ahd_linux_fallback(struct ahd_softc *ahd, struct ahd_devinfo *devinfo)
-{
-        struct  ahd_linux_target *targ;
-        struct  ahd_initiator_tinfo *tinfo;
-        struct  ahd_transinfo *goal;
-        struct  ahd_tmode_tstate *tstate;
-        u_int   width;
-        u_int   period;
-        u_int   offset;
-        u_int   ppr_options;
-        u_int   cur_speed;
-        u_int   wide_speed;
-        u_int   narrow_speed;
-        u_int   fallback_speed;
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                ahd_print_devinfo(ahd, devinfo);
-                printf("Trying to fallback\n");
-        }
-#endif
-        targ = ahd->platform_data->targets[devinfo->target_offset];
-        tinfo = ahd_fetch_transinfo(ahd, devinfo->channel,
-                                    devinfo->our_scsiid,
-                                    devinfo->target, &tstate);
-        goal = &tinfo->goal;
-        width = goal->width;
-        period = goal->period;
-        offset = goal->offset;
-        ppr_options = goal->ppr_options;
-        if (offset == 0)
-                period = AHD_ASYNC_XFER_PERIOD;
-        if (targ->dv_next_narrow_period == 0)
-                targ->dv_next_narrow_period = MAX(period, AHD_SYNCRATE_ULTRA2);
-        if (targ->dv_next_wide_period == 0)
-                targ->dv_next_wide_period = period;
-        if (targ->dv_max_width == 0)
-                targ->dv_max_width = width;
-        if (targ->dv_max_ppr_options == 0)
-                targ->dv_max_ppr_options = ppr_options;
-        if (targ->dv_last_ppr_options == 0)
-                targ->dv_last_ppr_options = ppr_options;
-
-        cur_speed = aic_calc_speed(width, period, offset, AHD_SYNCRATE_MIN);
-        wide_speed = aic_calc_speed(MSG_EXT_WDTR_BUS_16_BIT,
-                                          targ->dv_next_wide_period,
-                                          MAX_OFFSET, AHD_SYNCRATE_MIN);
-        narrow_speed = aic_calc_speed(MSG_EXT_WDTR_BUS_8_BIT,
-                                            targ->dv_next_narrow_period,
-                                            MAX_OFFSET, AHD_SYNCRATE_MIN);
-        fallback_speed = aic_calc_speed(width, period+1, offset,
-                                              AHD_SYNCRATE_MIN);
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                printf("cur_speed= %d, wide_speed= %d, narrow_speed= %d, "
-                       "fallback_speed= %d\n", cur_speed, wide_speed,
-                       narrow_speed, fallback_speed);
-        }
-#endif
-
-        if (cur_speed > 160000) {
-                /*
-                 * Paced/DT/IU_REQ only transfer speeds.  All we
-                 * can do is fallback in terms of syncrate.
-                 */
-                period++;
-        } else if (cur_speed > 80000) {
-                if ((ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
-                        /*
-                         * Try without IU_REQ as it may be confusing
-                         * an expander.
-                         */
-                        ppr_options &= ~MSG_EXT_PPR_IU_REQ;
-                } else {
-                        /*
-                         * Paced/DT only transfer speeds.  All we
-                         * can do is fallback in terms of syncrate.
-                         */
-                        period++;
-                        ppr_options = targ->dv_max_ppr_options;
-                }
-        } else if (cur_speed > 3300) {
-
                 /*
-                 * In this range we the following
-                 * options ordered from highest to
-                 * lowest desireability:
-                 *
-                 * o Wide/DT
-                 * o Wide/non-DT
-                 * o Narrow at a potentally higher sync rate.
-                 *
-                 * All modes are tested with and without IU_REQ
-                 * set since using IUs may confuse an expander.
+                 * We allow the OS to queue 2 untagged transactions to
+                 * us at any time even though we can only execute them
+                 * serially on the controller/device.  This should
+                 * remove some latency.
                  */
-                if ((ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
-
-                        ppr_options &= ~MSG_EXT_PPR_IU_REQ;
-                } else if ((ppr_options & MSG_EXT_PPR_DT_REQ) != 0) {
-                        /*
-                         * Try going non-DT.
-                         */
-                        ppr_options = targ->dv_max_ppr_options;
-                        ppr_options &= ~MSG_EXT_PPR_DT_REQ;
-                } else if (targ->dv_last_ppr_options != 0) {
-                        /*
-                         * Try without QAS or any other PPR options.
-                         * We may need a non-PPR message to work with
-                         * an expander.  We look at the "last PPR options"
-                         * so we will perform this fallback even if the
-                         * target responded to our PPR negotiation with
-                         * no option bits set.
-                         */
-                        ppr_options = 0;
-                } else if (width == MSG_EXT_WDTR_BUS_16_BIT) {
-                        /*
-                         * If the next narrow speed is greater than
-                         * the next wide speed, fallback to narrow.
-                         * Otherwise fallback to the next DT/Wide setting.
-                         * The narrow async speed will always be smaller
-                         * than the wide async speed, so handle this case
-                         * specifically.
-                         */
-                        ppr_options = targ->dv_max_ppr_options;
-                        if (narrow_speed > fallback_speed
-                         || period >= AHD_ASYNC_XFER_PERIOD) {
-                                targ->dv_next_wide_period = period+1;
-                                width = MSG_EXT_WDTR_BUS_8_BIT;
-                                period = targ->dv_next_narrow_period;
-                        } else {
-                                period++;
-                        }
-                } else if ((ahd->features & AHD_WIDE) != 0
-                        && targ->dv_max_width != 0
-                        && wide_speed >= fallback_speed
-                        && (targ->dv_next_wide_period <= AHD_ASYNC_XFER_PERIOD
-                         || period >= AHD_ASYNC_XFER_PERIOD)) {
-
-                        /*
-                         * We are narrow.  Try falling back
-                         * to the next wide speed with 
-                         * all supported ppr options set.
-                         */
-                        targ->dv_next_narrow_period = period+1;
-                        width = MSG_EXT_WDTR_BUS_16_BIT;
-                        period = targ->dv_next_wide_period;
-                        ppr_options = targ->dv_max_ppr_options;
-                } else {
-                        /* Only narrow fallback is allowed. */
-                        period++;
-                        ppr_options = targ->dv_max_ppr_options;
-                }
-        } else {
-                return (-1);
-        }
-        offset = MAX_OFFSET;
-        ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_PACED);
-        ahd_set_width(ahd, devinfo, width, AHD_TRANS_GOAL, FALSE);
-        if (period == 0) {
-                period = 0;
-                offset = 0;
-                ppr_options = 0;
-                if (width == MSG_EXT_WDTR_BUS_8_BIT)
-                        targ->dv_next_narrow_period = AHD_ASYNC_XFER_PERIOD;
-                else
-                        targ->dv_next_wide_period = AHD_ASYNC_XFER_PERIOD;
-        }
-        ahd_set_syncrate(ahd, devinfo, period, offset,
-                         ppr_options, AHD_TRANS_GOAL, FALSE);
-        targ->dv_last_ppr_options = ppr_options;
-        return (0);
-}
-
-static void
-ahd_linux_dv_timeout(struct scsi_cmnd *cmd)
-{
-        struct  ahd_softc *ahd;
-        struct  scb *scb;
-        u_long  flags;
-
-        ahd = *((struct ahd_softc **)cmd->device->host->hostdata);
-        ahd_lock(ahd, &flags);
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV) {
-                printf("%s: Timeout while doing DV command %x.\n",
-                       ahd_name(ahd), cmd->cmnd[0]);
-                ahd_dump_card_state(ahd);
-        }
-#endif
-        
-        /*
-         * Guard against "done race".  No action is
-         * required if we just completed.
-         */
-        if ((scb = (struct scb *)cmd->host_scribble) == NULL) {
-                ahd_unlock(ahd, &flags);
-                return;
+                scsi_adjust_queue_depth(sdev,
+                                        /*NON-TAGGED*/0,
+                                        /*queue depth*/2);
+                break;
         }
-
-        /*
-         * Command has not completed.  Mark this
-         * SCB as having failing status prior to
-         * resetting the bus, so we get the correct
-         * error code.
-         */
-        if ((scb->flags & SCB_SENSE) != 0)
-                ahd_set_transaction_status(scb, CAM_AUTOSENSE_FAIL);
-        else
-                ahd_set_transaction_status(scb, CAM_CMD_TIMEOUT);
-        ahd_reset_channel(ahd, cmd->device->channel + 'A', /*initiate*/TRUE);
-
-        /*
-         * Add a minimal bus settle delay for devices that are slow to
-         * respond after bus resets.
-         */
-        ahd_freeze_simq(ahd);
-        init_timer(&ahd->platform_data->reset_timer);
-        ahd->platform_data->reset_timer.data = (u_long)ahd;
-        ahd->platform_data->reset_timer.expires = jiffies + HZ / 2;
-        ahd->platform_data->reset_timer.function =
-            (ahd_linux_callback_t *)ahd_release_simq;
-        add_timer(&ahd->platform_data->reset_timer);
-        if (ahd_linux_next_device_to_run(ahd) != NULL)
-                ahd_schedule_runq(ahd);
-        ahd_linux_run_complete_queue(ahd);
-        ahd_unlock(ahd, &flags);
-}
-
-static void
-ahd_linux_dv_complete(struct scsi_cmnd *cmd)
-{
-        struct ahd_softc *ahd;
-
-        ahd = *((struct ahd_softc **)cmd->device->host->hostdata);
-
-        /* Delete the DV timer before it goes off! */
-        scsi_delete_timer(cmd);
-
-#ifdef AHD_DEBUG
-        if (ahd_debug & AHD_SHOW_DV)
-                printf("%s:%c:%d: Command completed, status= 0x%x\n",
-                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
-                       cmd->result);
-#endif
-
-        /* Wake up the state machine */
-        up(&ahd->platform_data->dv_cmd_sem);
 }
 
-static void
-ahd_linux_generate_dv_pattern(struct ahd_linux_target *targ)
+int
+ahd_platform_abort_scbs(struct ahd_softc *ahd, int target, char channel,
+                        int lun, u_int tag, role_t role, uint32_t status)
 {
-        uint16_t b;
-        u_int    i;
-        u_int    j;
-
-        if (targ->dv_buffer != NULL)
-                free(targ->dv_buffer, M_DEVBUF);
-        targ->dv_buffer = malloc(targ->dv_echo_size, M_DEVBUF, M_WAITOK);
-        if (targ->dv_buffer1 != NULL)
-                free(targ->dv_buffer1, M_DEVBUF);
-        targ->dv_buffer1 = malloc(targ->dv_echo_size, M_DEVBUF, M_WAITOK);
-
-        i = 0;
-
-        b = 0x0001;
-        for (j = 0 ; i < targ->dv_echo_size; j++) {
-                if (j < 32) {
-                        /*
-                         * 32bytes of sequential numbers.
-                         */
-                        targ->dv_buffer[i++] = j & 0xff;
-                } else if (j < 48) {
-                        /*
-                         * 32bytes of repeating 0x0000, 0xffff.
-                         */
-                        targ->dv_buffer[i++] = (j & 0x02) ? 0xff : 0x00;
-                } else if (j < 64) {
-                        /*
-                         * 32bytes of repeating 0x5555, 0xaaaa.
-                         */
-                        targ->dv_buffer[i++] = (j & 0x02) ? 0xaa : 0x55;
-                } else {
-                        /*
-                         * Remaining buffer is filled with a repeating
-                         * patter of:
-                         *
-                         *       0xffff
-                         *      ~0x0001 << shifted once in each loop.
-                         */
-                        if (j & 0x02) {
-                                if (j & 0x01) {
-                                        targ->dv_buffer[i++] = ~(b >> 8) & 0xff;
-                                        b <<= 1;
-                                        if (b == 0x0000)
-                                                b = 0x0001;
-                                } else {
-                                        targ->dv_buffer[i++] = (~b & 0xff);
-                                }
-                        } else {
-                                targ->dv_buffer[i++] = 0xff;
-                        }
-                }
-        }
+        return 0;
 }
 
 static u_int
@@ -3800,100 +1395,23 @@ ahd_linux_user_tagdepth(struct ahd_softc *ahd, struct ahd_devinfo *devinfo)
         return (tags);
 }
 
-static u_int
-ahd_linux_user_dv_setting(struct ahd_softc *ahd)
-{
-        static int warned_user;
-        int dv;
-
-        if (ahd->unit >= NUM_ELEMENTS(aic79xx_dv_settings)) {
-
-                if (warned_user == 0) {
-                        printf(KERN_WARNING
-"aic79xx: WARNING: Insufficient dv settings instances\n"
-"aic79xx: for installed controllers. Using defaults\n"
-"aic79xx: Please update the aic79xx_dv_settings array in"
-"aic79xx: the aic79xx_osm.c source file.\n");
-                        warned_user++;
-                }
-                dv = -1;
-        } else {
-
-                dv = aic79xx_dv_settings[ahd->unit];
-        }
-
-        if (dv < 0) {
-                /*
-                 * Apply the default.
-                 */
-                dv = 1;
-                if (ahd->seep_config != 0)
-                        dv = (ahd->seep_config->bios_control & CFENABLEDV);
-        }
-        return (dv);
-}
-
-static void
-ahd_linux_setup_user_rd_strm_settings(struct ahd_softc *ahd)
-{
-        static  int warned_user;
-        u_int   rd_strm_mask;
-        u_int   target_id;
-
-        /*
-         * If we have specific read streaming info for this controller,
-         * apply it.  Otherwise use the defaults.
-         */
-         if (ahd->unit >= NUM_ELEMENTS(aic79xx_rd_strm_info)) {
-
-                if (warned_user == 0) {
-
-                        printf(KERN_WARNING
-"aic79xx: WARNING: Insufficient rd_strm instances\n"
-"aic79xx: for installed controllers. Using defaults\n"
-"aic79xx: Please update the aic79xx_rd_strm_info array\n"
-"aic79xx: in the aic79xx_osm.c source file.\n");
-                        warned_user++;
-                }
-                rd_strm_mask = AIC79XX_CONFIGED_RD_STRM;
-        } else {
-
-                rd_strm_mask = aic79xx_rd_strm_info[ahd->unit];
-        }
-        for (target_id = 0; target_id < 16; target_id++) {
-                struct ahd_devinfo devinfo;
-                struct ahd_initiator_tinfo *tinfo;
-                struct ahd_tmode_tstate *tstate;
-
-                tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
-                                            target_id, &tstate);
-                ahd_compile_devinfo(&devinfo, ahd->our_id, target_id,
-                                    CAM_LUN_WILDCARD, 'A', ROLE_INITIATOR);
-                tinfo->user.ppr_options &= ~MSG_EXT_PPR_RD_STRM;
-                if ((rd_strm_mask & devinfo.target_mask) != 0)
-                        tinfo->user.ppr_options |= MSG_EXT_PPR_RD_STRM;
-        }
-}
-
 /*
  * Determines the queue depth for a given device.
  */
 static void
-ahd_linux_device_queue_depth(struct ahd_softc *ahd,
-                             struct ahd_linux_device *dev)
+ahd_linux_device_queue_depth(struct scsi_device *sdev)
 {
         struct  ahd_devinfo devinfo;
         u_int   tags;
+        struct ahd_softc *ahd = *((struct ahd_softc **)sdev->host->hostdata);
 
         ahd_compile_devinfo(&devinfo,
                             ahd->our_id,
-                            dev->target->target, dev->lun,
-                            dev->target->channel == 0 ? 'A' : 'B',
+                            sdev->sdev_target->id, sdev->lun,
+                            sdev->sdev_target->channel == 0 ? 'A' : 'B',
                             ROLE_INITIATOR);
         tags = ahd_linux_user_tagdepth(ahd, &devinfo);
-        if (tags != 0
-         && dev->scsi_device != NULL
-         && dev->scsi_device->tagged_supported != 0) {
+        if (tags != 0 && sdev->tagged_supported != 0) {
 
                 ahd_set_tags(ahd, &devinfo, AHD_QUEUE_TAGGED);
                 ahd_print_devinfo(ahd, &devinfo);
@@ -3903,11 +1421,10 @@ ahd_linux_device_queue_depth(struct ahd_softc *ahd,
         }
 }
 
-static void
-ahd_linux_run_device_queue(struct ahd_softc *ahd, struct ahd_linux_device *dev)
+static int
+ahd_linux_run_command(struct ahd_softc *ahd, struct ahd_linux_device *dev,
+                      struct scsi_cmnd *cmd)
 {
-        struct   ahd_cmd *acmd;
-        struct   scsi_cmnd *cmd;
         struct   scb *scb;
         struct   hardware_scb *hscb;
         struct   ahd_initiator_tinfo *tinfo;
@@ -3915,157 +1432,122 @@ ahd_linux_run_device_queue(struct ahd_softc *ahd, struct ahd_linux_device *dev)
         u_int    col_idx;
         uint16_t mask;
 
-        if ((dev->flags & AHD_DEV_ON_RUN_LIST) != 0)
-                panic("running device on run list");
-
-        while ((acmd = TAILQ_FIRST(&dev->busyq)) != NULL
-            && dev->openings > 0 && dev->qfrozen == 0) {
-
-                /*
-                 * Schedule us to run later.  The only reason we are not
-                 * running is because the whole controller Q is frozen.
-                 */
-                if (ahd->platform_data->qfrozen != 0
-                 && AHD_DV_SIMQ_FROZEN(ahd) == 0) {
-
-                        TAILQ_INSERT_TAIL(&ahd->platform_data->device_runq,
-                                          dev, links);
-                        dev->flags |= AHD_DEV_ON_RUN_LIST;
-                        return;
-                }
-
-                cmd = &acmd_scsi_cmd(acmd);
+        /*
+         * Get an scb to use.
+         */
+        tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
+                                    cmd->device->id, &tstate);
+        if ((dev->flags & (AHD_DEV_Q_TAGGED|AHD_DEV_Q_BASIC)) == 0
+         || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
+                col_idx = AHD_NEVER_COL_IDX;
+        } else {
+                col_idx = AHD_BUILD_COL_IDX(cmd->device->id,
+                                            cmd->device->lun);
+        }
+        if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
+                ahd->flags |= AHD_RESOURCE_SHORTAGE;
+                return SCSI_MLQUEUE_HOST_BUSY;
+        }
 
-                /*
-                 * Get an scb to use.
-                 */
-                tinfo = ahd_fetch_transinfo(ahd, 'A', ahd->our_id,
-                                            cmd->device->id, &tstate);
-                if ((dev->flags & (AHD_DEV_Q_TAGGED|AHD_DEV_Q_BASIC)) == 0
-                 || (tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0) {
-                        col_idx = AHD_NEVER_COL_IDX;
-                } else {
-                        col_idx = AHD_BUILD_COL_IDX(cmd->device->id,
-                                                    cmd->device->lun);
-                }
-                if ((scb = ahd_get_scb(ahd, col_idx)) == NULL) {
-                        TAILQ_INSERT_TAIL(&ahd->platform_data->device_runq,
-                                         dev, links);
-                        dev->flags |= AHD_DEV_ON_RUN_LIST;
-                        ahd->flags |= AHD_RESOURCE_SHORTAGE;
-                        return;
-                }
-                TAILQ_REMOVE(&dev->busyq, acmd, acmd_links.tqe);
-                scb->io_ctx = cmd;
-                scb->platform_data->dev = dev;
-                hscb = scb->hscb;
-                cmd->host_scribble = (char *)scb;
+        scb->io_ctx = cmd;
+        scb->platform_data->dev = dev;
+        hscb = scb->hscb;
+        cmd->host_scribble = (char *)scb;
 
-                /*
-                 * Fill out basics of the HSCB.
-                 */
-                hscb->control = 0;
-                hscb->scsiid = BUILD_SCSIID(ahd, cmd);
-                hscb->lun = cmd->device->lun;
-                scb->hscb->task_management = 0;
-                mask = SCB_GET_TARGET_MASK(ahd, scb);
+        /*
+         * Fill out basics of the HSCB.
+         */
+        hscb->control = 0;
+        hscb->scsiid = BUILD_SCSIID(ahd, cmd);
+        hscb->lun = cmd->device->lun;
+        scb->hscb->task_management = 0;
+        mask = SCB_GET_TARGET_MASK(ahd, scb);
 
-                if ((ahd->user_discenable & mask) != 0)
-                        hscb->control |= DISCENB;
+        if ((ahd->user_discenable & mask) != 0)
+                hscb->control |= DISCENB;
 
-                if (AHD_DV_CMD(cmd) != 0)
-                        scb->flags |= SCB_SILENT;
+        if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0)
+                scb->flags |= SCB_PACKETIZED;
 
-                if ((tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ) != 0)
-                        scb->flags |= SCB_PACKETIZED;
+        if ((tstate->auto_negotiate & mask) != 0) {
+                scb->flags |= SCB_AUTO_NEGOTIATE;
+                scb->hscb->control |= MK_MESSAGE;
+        }
 
-                if ((tstate->auto_negotiate & mask) != 0) {
-                        scb->flags |= SCB_AUTO_NEGOTIATE;
-                        scb->hscb->control |= MK_MESSAGE;
-                }
+        if ((dev->flags & (AHD_DEV_Q_TAGGED|AHD_DEV_Q_BASIC)) != 0) {
+                int     msg_bytes;
+                uint8_t tag_msgs[2];
 
-                if ((dev->flags & (AHD_DEV_Q_TAGGED|AHD_DEV_Q_BASIC)) != 0) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-                        int     msg_bytes;
-                        uint8_t tag_msgs[2];
-
-                        msg_bytes = scsi_populate_tag_msg(cmd, tag_msgs);
-                        if (msg_bytes && tag_msgs[0] != MSG_SIMPLE_TASK) {
-                                hscb->control |= tag_msgs[0];
-                                if (tag_msgs[0] == MSG_ORDERED_TASK)
-                                        dev->commands_since_idle_or_otag = 0;
-                        } else
-#endif
-                        if (dev->commands_since_idle_or_otag == AHD_OTAG_THRESH
-                         && (dev->flags & AHD_DEV_Q_TAGGED) != 0) {
-                                hscb->control |= MSG_ORDERED_TASK;
+                msg_bytes = scsi_populate_tag_msg(cmd, tag_msgs);
+                if (msg_bytes && tag_msgs[0] != MSG_SIMPLE_TASK) {
+                        hscb->control |= tag_msgs[0];
+                        if (tag_msgs[0] == MSG_ORDERED_TASK)
                                 dev->commands_since_idle_or_otag = 0;
-                        } else {
-                                hscb->control |= MSG_SIMPLE_TASK;
-                        }
+                } else
+                if (dev->commands_since_idle_or_otag == AHD_OTAG_THRESH
+                 && (dev->flags & AHD_DEV_Q_TAGGED) != 0) {
+                        hscb->control |= MSG_ORDERED_TASK;
+                        dev->commands_since_idle_or_otag = 0;
+                } else {
+                        hscb->control |= MSG_SIMPLE_TASK;
                 }
+        }
 
-                hscb->cdb_len = cmd->cmd_len;
-                memcpy(hscb->shared_data.idata.cdb, cmd->cmnd, hscb->cdb_len);
-
-                scb->sg_count = 0;
-                ahd_set_residual(scb, 0);
-                ahd_set_sense_residual(scb, 0);
-                if (cmd->use_sg != 0) {
-                        void    *sg;
-                        struct   scatterlist *cur_seg;
-                        u_int    nseg;
-                        int      dir;
-
-                        cur_seg = (struct scatterlist *)cmd->request_buffer;
-                        dir = cmd->sc_data_direction;
-                        nseg = pci_map_sg(ahd->dev_softc, cur_seg,
-                                          cmd->use_sg, dir);
-                        scb->platform_data->xfer_len = 0;
-                        for (sg = scb->sg_list; nseg > 0; nseg--, cur_seg++) {
-                                dma_addr_t addr;
-                                bus_size_t len;
-
-                                addr = sg_dma_address(cur_seg);
-                                len = sg_dma_len(cur_seg);
-                                scb->platform_data->xfer_len += len;
-                                sg = ahd_sg_setup(ahd, scb, sg, addr, len,
-                                                  /*last*/nseg == 1);
-                        }
-                } else if (cmd->request_bufflen != 0) {
-                        void *sg;
+        hscb->cdb_len = cmd->cmd_len;
+        memcpy(hscb->shared_data.idata.cdb, cmd->cmnd, hscb->cdb_len);
+
+        scb->platform_data->xfer_len = 0;
+        ahd_set_residual(scb, 0);
+        ahd_set_sense_residual(scb, 0);
+        scb->sg_count = 0;
+        if (cmd->use_sg != 0) {
+                void    *sg;
+                struct   scatterlist *cur_seg;
+                u_int    nseg;
+                int      dir;
+
+                cur_seg = (struct scatterlist *)cmd->request_buffer;
+                dir = cmd->sc_data_direction;
+                nseg = pci_map_sg(ahd->dev_softc, cur_seg,
+                                  cmd->use_sg, dir);
+                scb->platform_data->xfer_len = 0;
+                for (sg = scb->sg_list; nseg > 0; nseg--, cur_seg++) {
                         dma_addr_t addr;
-                        int dir;
-
-                        sg = scb->sg_list;
-                        dir = cmd->sc_data_direction;
-                        addr = pci_map_single(ahd->dev_softc,
-                                              cmd->request_buffer,
-                                              cmd->request_bufflen, dir);
-                        scb->platform_data->xfer_len = cmd->request_bufflen;
-                        scb->platform_data->buf_busaddr = addr;
-                        sg = ahd_sg_setup(ahd, scb, sg, addr,
-                                          cmd->request_bufflen, /*last*/TRUE);
-                }
+                        bus_size_t len;
 
-                LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
-                dev->openings--;
-                dev->active++;
-                dev->commands_issued++;
-
-                /* Update the error counting bucket and dump if needed */
-                if (dev->target->cmds_since_error) {
-                        dev->target->cmds_since_error++;
-                        if (dev->target->cmds_since_error >
-                            AHD_LINUX_ERR_THRESH)
-                                dev->target->cmds_since_error = 0;
+                        addr = sg_dma_address(cur_seg);
+                        len = sg_dma_len(cur_seg);
+                        scb->platform_data->xfer_len += len;
+                        sg = ahd_sg_setup(ahd, scb, sg, addr, len,
+                                          /*last*/nseg == 1);
                 }
+        } else if (cmd->request_bufflen != 0) {
+                void *sg;
+                dma_addr_t addr;
+                int dir;
 
-                if ((dev->flags & AHD_DEV_PERIODIC_OTAG) != 0)
-                        dev->commands_since_idle_or_otag++;
-                scb->flags |= SCB_ACTIVE;
-                ahd_queue_scb(ahd, scb);
+                sg = scb->sg_list;
+                dir = cmd->sc_data_direction;
+                addr = pci_map_single(ahd->dev_softc,
+                                      cmd->request_buffer,
+                                      cmd->request_bufflen, dir);
+                scb->platform_data->xfer_len = cmd->request_bufflen;
+                scb->platform_data->buf_busaddr = addr;
+                sg = ahd_sg_setup(ahd, scb, sg, addr,
+                                  cmd->request_bufflen, /*last*/TRUE);
         }
+
+        LIST_INSERT_HEAD(&ahd->pending_scbs, scb, pending_links);
+        dev->openings--;
+        dev->active++;
+        dev->commands_issued++;
+
+        if ((dev->flags & AHD_DEV_PERIODIC_OTAG) != 0)
+                dev->commands_since_idle_or_otag++;
+        scb->flags |= SCB_ACTIVE;
+        ahd_queue_scb(ahd, scb);
+
+        return 0;
 }
 
 /*
@@ -4081,9 +1563,6 @@ ahd_linux_isr(int irq, void *dev_id, struct pt_regs * regs)
         ahd = (struct ahd_softc *) dev_id;
         ahd_lock(ahd, &flags); 
         ours = ahd_intr(ahd);
-        if (ahd_linux_next_device_to_run(ahd) != NULL)
-                ahd_schedule_runq(ahd);
-        ahd_linux_run_complete_queue(ahd);
         ahd_unlock(ahd, &flags);
         return IRQ_RETVAL(ours);
 }
@@ -4092,111 +1571,6 @@ void
 ahd_platform_flushwork(struct ahd_softc *ahd)
 {
 
-        while (ahd_linux_run_complete_queue(ahd) != NULL)
-                ;
-}
-
-static struct ahd_linux_target*
-ahd_linux_alloc_target(struct ahd_softc *ahd, u_int channel, u_int target)
-{
-        struct ahd_linux_target *targ;
-
-        targ = malloc(sizeof(*targ), M_DEVBUF, M_NOWAIT);
-        if (targ == NULL)
-                return (NULL);
-        memset(targ, 0, sizeof(*targ));
-        targ->channel = channel;
-        targ->target = target;
-        targ->ahd = ahd;
-        targ->flags = AHD_DV_REQUIRED;
-        ahd->platform_data->targets[target] = targ;
-        return (targ);
-}
-
-static void
-ahd_linux_free_target(struct ahd_softc *ahd, struct ahd_linux_target *targ)
-{
-        struct ahd_devinfo devinfo;
-        struct ahd_initiator_tinfo *tinfo;
-        struct ahd_tmode_tstate *tstate;
-        u_int our_id;
-        u_int target_offset;
-        char channel;
-
-        /*
-         * Force a negotiation to async/narrow on any
-         * future command to this device unless a bus
-         * reset occurs between now and that command.
-         */
-        channel = 'A' + targ->channel;
-        our_id = ahd->our_id;
-        target_offset = targ->target;
-        tinfo = ahd_fetch_transinfo(ahd, channel, our_id,
-                                    targ->target, &tstate);
-        ahd_compile_devinfo(&devinfo, our_id, targ->target, CAM_LUN_WILDCARD,
-                            channel, ROLE_INITIATOR);
-        ahd_set_syncrate(ahd, &devinfo, 0, 0, 0,
-                         AHD_TRANS_GOAL, /*paused*/FALSE);
-        ahd_set_width(ahd, &devinfo, MSG_EXT_WDTR_BUS_8_BIT,
-                      AHD_TRANS_GOAL, /*paused*/FALSE);
-        ahd_update_neg_request(ahd, &devinfo, tstate, tinfo, AHD_NEG_ALWAYS);
-        ahd->platform_data->targets[target_offset] = NULL;
-        if (targ->inq_data != NULL)
-                free(targ->inq_data, M_DEVBUF);
-        if (targ->dv_buffer != NULL)
-                free(targ->dv_buffer, M_DEVBUF);
-        if (targ->dv_buffer1 != NULL)
-                free(targ->dv_buffer1, M_DEVBUF);
-        free(targ, M_DEVBUF);
-}
-
-static struct ahd_linux_device*
-ahd_linux_alloc_device(struct ahd_softc *ahd,
-                 struct ahd_linux_target *targ, u_int lun)
-{
-        struct ahd_linux_device *dev;
-
-        dev = malloc(sizeof(*dev), M_DEVBUG, M_NOWAIT);
-        if (dev == NULL)
-                return (NULL);
-        memset(dev, 0, sizeof(*dev));
-        init_timer(&dev->timer);
-        TAILQ_INIT(&dev->busyq);
-        dev->flags = AHD_DEV_UNCONFIGURED;
-        dev->lun = lun;
-        dev->target = targ;
-
-        /*
-         * We start out life using untagged
-         * transactions of which we allow one.
-         */
-        dev->openings = 1;
-
-        /*
-         * Set maxtags to 0.  This will be changed if we
-         * later determine that we are dealing with
-         * a tagged queuing capable device.
-         */
-        dev->maxtags = 0;
-        
-        targ->refcount++;
-        targ->devices[lun] = dev;
-        return (dev);
-}
-
-static void
-ahd_linux_free_device(struct ahd_softc *ahd, struct ahd_linux_device *dev)
-{
-        struct ahd_linux_target *targ;
-
-        del_timer(&dev->timer);
-        targ = dev->target;
-        targ->devices[dev->lun] = NULL;
-        free(dev, M_DEVBUF);
-        targ->refcount--;
-        if (targ->refcount == 0
-         && (targ->flags & AHD_DV_REQUIRED) == 0)
-                ahd_linux_free_target(ahd, targ);
 }
 
 void
@@ -4207,10 +1581,14 @@ ahd_send_async(struct ahd_softc *ahd, char channel,
         case AC_TRANSFER_NEG:
         {
                 char    buf[80];
+                struct  scsi_target *starget;
                 struct  ahd_linux_target *targ;
                 struct  info_str info;
                 struct  ahd_initiator_tinfo *tinfo;
                 struct  ahd_tmode_tstate *tstate;
+                unsigned int target_ppr_options;
+
+                BUG_ON(target == CAM_TARGET_WILDCARD);
 
                 info.buffer = buf;
                 info.length = sizeof(buf);
@@ -4234,58 +1612,47 @@ ahd_send_async(struct ahd_softc *ahd, char channel,
                  * Don't bother reporting results that
                  * are identical to those last reported.
                  */
-                targ = ahd->platform_data->targets[target];
-                if (targ == NULL)
+                starget = ahd->platform_data->starget[target];
+                if (starget == NULL)
                         break;
-                if (tinfo->curr.period == targ->last_tinfo.period
-                 && tinfo->curr.width == targ->last_tinfo.width
-                 && tinfo->curr.offset == targ->last_tinfo.offset
-                 && tinfo->curr.ppr_options == targ->last_tinfo.ppr_options)
+                targ = scsi_transport_target_data(starget);
+
+                target_ppr_options =
+                        (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
+                        + (spi_qas(starget) ? MSG_EXT_PPR_QAS_REQ : 0)
+                        + (spi_iu(starget) ?  MSG_EXT_PPR_IU_REQ : 0)
+                        + (spi_rd_strm(starget) ? MSG_EXT_PPR_RD_STRM : 0)
+                        + (spi_pcomp_en(starget) ? MSG_EXT_PPR_PCOMP_EN : 0)
+                        + (spi_rti(starget) ? MSG_EXT_PPR_RTI : 0)
+                        + (spi_wr_flow(starget) ? MSG_EXT_PPR_WR_FLOW : 0)
+                        + (spi_hold_mcs(starget) ? MSG_EXT_PPR_HOLD_MCS : 0);
+
+                if (tinfo->curr.period == spi_period(starget)
+                    && tinfo->curr.width == spi_width(starget)
+                    && tinfo->curr.offset == spi_offset(starget)
+                 && tinfo->curr.ppr_options == target_ppr_options)
                         if (bootverbose == 0)
                                 break;
 
-                targ->last_tinfo.period = tinfo->curr.period;
-                targ->last_tinfo.width = tinfo->curr.width;
-                targ->last_tinfo.offset = tinfo->curr.offset;
-                targ->last_tinfo.ppr_options = tinfo->curr.ppr_options;
-
-                printf("(%s:%c:", ahd_name(ahd), channel);
-                if (target == CAM_TARGET_WILDCARD)
-                        printf("*): ");
-                else
-                        printf("%d): ", target);
-                ahd_format_transinfo(&info, &tinfo->curr);
-                if (info.pos < info.length)
-                        *info.buffer = '\0';
-                else
-                        buf[info.length - 1] = '\0';
-                printf("%s", buf);
+                spi_period(starget) = tinfo->curr.period;
+                spi_width(starget) = tinfo->curr.width;
+                spi_offset(starget) = tinfo->curr.offset;
+                spi_dt(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_DT_REQ ? 1 : 0;
+                spi_qas(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_QAS_REQ ? 1 : 0;
+                spi_iu(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_IU_REQ ? 1 : 0;
+                spi_rd_strm(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_RD_STRM ? 1 : 0;
+                spi_pcomp_en(starget) =  tinfo->curr.ppr_options & MSG_EXT_PPR_PCOMP_EN ? 1 : 0;
+                spi_rti(starget) =  tinfo->curr.ppr_options &  MSG_EXT_PPR_RTI ? 1 : 0;
+                spi_wr_flow(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_WR_FLOW ? 1 : 0;
+                spi_hold_mcs(starget) = tinfo->curr.ppr_options & MSG_EXT_PPR_HOLD_MCS ? 1 : 0;
+                spi_display_xfer_agreement(starget);
                 break;
         }
         case AC_SENT_BDR:
         {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
                 WARN_ON(lun != CAM_LUN_WILDCARD);
                 scsi_report_device_reset(ahd->platform_data->host,
                                          channel - 'A', target);
-#else
-                Scsi_Device *scsi_dev;
-
-                /*
-                 * Find the SCSI device associated with this
-                 * request and indicate that a UA is expected.
-                 */
-                for (scsi_dev = ahd->platform_data->host->host_queue;
-                     scsi_dev != NULL; scsi_dev = scsi_dev->next) {
-                        if (channel - 'A' == scsi_dev->channel
-                         && target == scsi_dev->id
-                         && (lun == CAM_LUN_WILDCARD
-                          || lun == scsi_dev->lun)) {
-                                scsi_dev->was_reset = 1;
-                                scsi_dev->expecting_cc_ua = 1;
-                        }
-                }
-#endif
                 break;
         }
         case AC_BUS_RESET:
@@ -4305,7 +1672,7 @@ ahd_send_async(struct ahd_softc *ahd, char channel,
 void
 ahd_done(struct ahd_softc *ahd, struct scb *scb)
 {
-        Scsi_Cmnd *cmd;
+        struct scsi_cmnd *cmd;
         struct    ahd_linux_device *dev;
 
         if ((scb->flags & SCB_ACTIVE) == 0) {
@@ -4373,19 +1740,8 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb)
                         ahd_set_transaction_status(scb, CAM_REQ_CMP);
                 }
         } else if (ahd_get_transaction_status(scb) == CAM_SCSI_STATUS_ERROR) {
-                ahd_linux_handle_scsi_status(ahd, dev, scb);
-        } else if (ahd_get_transaction_status(scb) == CAM_SEL_TIMEOUT) {
-                dev->flags |= AHD_DEV_UNCONFIGURED;
-                if (AHD_DV_CMD(cmd) == FALSE)
-                        dev->target->flags &= ~AHD_DV_REQUIRED;
+                ahd_linux_handle_scsi_status(ahd, cmd->device, scb);
         }
-        /*
-         * Start DV for devices that require it assuming the first command
-         * sent does not result in a selection timeout.
-         */
-        if (ahd_get_transaction_status(scb) != CAM_SEL_TIMEOUT
-         && (dev->target->flags & AHD_DV_REQUIRED) != 0)
-                ahd_linux_start_dv(ahd);
 
         if (dev->openings == 1
          && ahd_get_transaction_status(scb) == CAM_REQ_CMP
@@ -4406,47 +1762,32 @@ ahd_done(struct ahd_softc *ahd, struct scb *scb)
         if (dev->active == 0)
                 dev->commands_since_idle_or_otag = 0;
 
-        if (TAILQ_EMPTY(&dev->busyq)) {
-                if ((dev->flags & AHD_DEV_UNCONFIGURED) != 0
-                 && dev->active == 0
-                 && (dev->flags & AHD_DEV_TIMER_ACTIVE) == 0)
-                        ahd_linux_free_device(ahd, dev);
-        } else if ((dev->flags & AHD_DEV_ON_RUN_LIST) == 0) {
-                TAILQ_INSERT_TAIL(&ahd->platform_data->device_runq, dev, links);
-                dev->flags |= AHD_DEV_ON_RUN_LIST;
-        }
-
         if ((scb->flags & SCB_RECOVERY_SCB) != 0) {
                 printf("Recovery SCB completes\n");
                 if (ahd_get_transaction_status(scb) == CAM_BDR_SENT
                  || ahd_get_transaction_status(scb) == CAM_REQ_ABORTED)
                         ahd_set_transaction_status(scb, CAM_CMD_TIMEOUT);
-                if ((scb->platform_data->flags & AHD_SCB_UP_EH_SEM) != 0) {
-                        scb->platform_data->flags &= ~AHD_SCB_UP_EH_SEM;
+                if ((ahd->platform_data->flags & AHD_SCB_UP_EH_SEM) != 0) {
+                        ahd->platform_data->flags &= ~AHD_SCB_UP_EH_SEM;
                         up(&ahd->platform_data->eh_sem);
                 }
         }
 
         ahd_free_scb(ahd, scb);
         ahd_linux_queue_cmd_complete(ahd, cmd);
-
-        if ((ahd->platform_data->flags & AHD_DV_WAIT_SIMQ_EMPTY) != 0
-         && LIST_FIRST(&ahd->pending_scbs) == NULL) {
-                ahd->platform_data->flags &= ~AHD_DV_WAIT_SIMQ_EMPTY;
-                up(&ahd->platform_data->dv_sem);
-        }
 }
 
 static void
 ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
-                             struct ahd_linux_device *dev, struct scb *scb)
+                             struct scsi_device *sdev, struct scb *scb)
 {
         struct  ahd_devinfo devinfo;
+        struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
 
         ahd_compile_devinfo(&devinfo,
                             ahd->our_id,
-                            dev->target->target, dev->lun,
-                            dev->target->channel == 0 ? 'A' : 'B',
+                            sdev->sdev_target->id, sdev->lun,
+                            sdev->sdev_target->channel == 0 ? 'A' : 'B',
                             ROLE_INITIATOR);
         
         /*
@@ -4465,7 +1806,7 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
         case SCSI_STATUS_CHECK_COND:
         case SCSI_STATUS_CMD_TERMINATED:
         {
-                Scsi_Cmnd *cmd;
+                struct scsi_cmnd *cmd;
 
                 /*
                  * Copy sense information to the OS's cmd
@@ -4518,7 +1859,6 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
                 break;
         }
         case SCSI_STATUS_QUEUE_FULL:
-        {
                 /*
                  * By the time the core driver has returned this
                  * command, all other commands that were queued
@@ -4579,98 +1919,23 @@ ahd_linux_handle_scsi_status(struct ahd_softc *ahd,
                              (dev->flags & AHD_DEV_Q_BASIC)
                            ? AHD_QUEUE_BASIC : AHD_QUEUE_TAGGED);
                 ahd_set_scsi_status(scb, SCSI_STATUS_BUSY);
-                /* FALLTHROUGH */
-        }
-        case SCSI_STATUS_BUSY:
-                /*
-                 * Set a short timer to defer sending commands for
-                 * a bit since Linux will not delay in this case.
-                 */
-                if ((dev->flags & AHD_DEV_TIMER_ACTIVE) != 0) {
-                        printf("%s:%c:%d: Device Timer still active during "
-                               "busy processing\n", ahd_name(ahd),
-                                dev->target->channel, dev->target->target);
-                        break;
-                }
-                dev->flags |= AHD_DEV_TIMER_ACTIVE;
-                dev->qfrozen++;
-                init_timer(&dev->timer);
-                dev->timer.data = (u_long)dev;
-                dev->timer.expires = jiffies + (HZ/2);
-                dev->timer.function = ahd_linux_dev_timed_unfreeze;
-                add_timer(&dev->timer);
-                break;
         }
 }
 
 static void
-ahd_linux_queue_cmd_complete(struct ahd_softc *ahd, Scsi_Cmnd *cmd)
+ahd_linux_queue_cmd_complete(struct ahd_softc *ahd, struct scsi_cmnd *cmd)
 {
         /*
-         * Typically, the complete queue has very few entries
-         * queued to it before the queue is emptied by
-         * ahd_linux_run_complete_queue, so sorting the entries
-         * by generation number should be inexpensive.
-         * We perform the sort so that commands that complete
-         * with an error are retuned in the order origionally
-         * queued to the controller so that any subsequent retries
-         * are performed in order.  The underlying ahd routines do
-         * not guarantee the order that aborted commands will be
-         * returned to us.
-         */
-        struct ahd_completeq *completeq;
-        struct ahd_cmd *list_cmd;
-        struct ahd_cmd *acmd;
-
-        /*
          * Map CAM error codes into Linux Error codes.  We
          * avoid the conversion so that the DV code has the
          * full error information available when making
          * state change decisions.
          */
-        if (AHD_DV_CMD(cmd) == FALSE) {
+        {
                 uint32_t status;
                 u_int new_status;
 
                 status = ahd_cmd_get_transaction_status(cmd);
-                if (status != CAM_REQ_CMP) {
-                        struct ahd_linux_device *dev;
-                        struct ahd_devinfo devinfo;
-                        cam_status cam_status;
-                        uint32_t action;
-                        u_int scsi_status;
-
-                        dev = ahd_linux_get_device(ahd, cmd->device->channel,
-                                                   cmd->device->id,
-                                                   cmd->device->lun,
-                                                   /*alloc*/FALSE);
-
-                        if (dev == NULL)
-                                goto no_fallback;
-
-                        ahd_compile_devinfo(&devinfo,
-                                            ahd->our_id,
-                                            dev->target->target, dev->lun,
-                                            dev->target->channel == 0 ? 'A':'B',
-                                            ROLE_INITIATOR);
-
-                        scsi_status = ahd_cmd_get_scsi_status(cmd);
-                        cam_status = ahd_cmd_get_transaction_status(cmd);
-                        action = aic_error_action(cmd, dev->target->inq_data,
-                                                  cam_status, scsi_status);
-                        if ((action & SSQ_FALLBACK) != 0) {
-
-                                /* Update stats */
-                                dev->target->errors_detected++;
-                                if (dev->target->cmds_since_error == 0)
-                                        dev->target->cmds_since_error++;
-                                else {
-                                        dev->target->cmds_since_error = 0;
-                                        ahd_linux_fallback(ahd, &devinfo);
-                                }
-                        }
-                }
-no_fallback:
                 switch (status) {
                 case CAM_REQ_INPROG:
                 case CAM_REQ_CMP:
@@ -4715,26 +1980,7 @@ no_fallback:
                         new_status = DID_ERROR;
                         break;
                 case CAM_REQUEUE_REQ:
-                        /*
-                         * If we want the request requeued, make sure there
-                         * are sufficent retries.  In the old scsi error code,
-                         * we used to be able to specify a result code that
-                         * bypassed the retry count.  Now we must use this
-                         * hack.  We also "fake" a check condition with
-                         * a sense code of ABORTED COMMAND.  This seems to
-                         * evoke a retry even if this command is being sent
-                         * via the eh thread.  Ick!  Ick!  Ick!
-                         */
-                        if (cmd->retries > 0)
-                                cmd->retries--;
-                        new_status = DID_OK;
-                        ahd_cmd_set_scsi_status(cmd, SCSI_STATUS_CHECK_COND);
-                        cmd->result |= (DRIVER_SENSE << 24);
-                        memset(cmd->sense_buffer, 0,
-                               sizeof(cmd->sense_buffer));
-                        cmd->sense_buffer[0] = SSD_ERRCODE_VALID
-                                             | SSD_CURRENT_ERROR;
-                        cmd->sense_buffer[2] = SSD_KEY_ABORTED_COMMAND;
+                        new_status = DID_REQUEUE;
                         break;
                 default:
                         /* We should never get here */
@@ -4745,116 +1991,23 @@ no_fallback:
                 ahd_cmd_set_transaction_status(cmd, new_status);
         }
 
-        completeq = &ahd->platform_data->completeq;
-        list_cmd = TAILQ_FIRST(completeq);
-        acmd = (struct ahd_cmd *)cmd;
-        while (list_cmd != NULL
-            && acmd_scsi_cmd(list_cmd).serial_number
-             < acmd_scsi_cmd(acmd).serial_number)
-                list_cmd = TAILQ_NEXT(list_cmd, acmd_links.tqe);
-        if (list_cmd != NULL)
-                TAILQ_INSERT_BEFORE(list_cmd, acmd, acmd_links.tqe);
-        else
-                TAILQ_INSERT_TAIL(completeq, acmd, acmd_links.tqe);
+        cmd->scsi_done(cmd);
 }
 
 static void
-ahd_linux_filter_inquiry(struct ahd_softc *ahd, struct ahd_devinfo *devinfo)
+ahd_linux_sem_timeout(u_long arg)
 {
-        struct  scsi_inquiry_data *sid;
-        struct  ahd_initiator_tinfo *tinfo;
-        struct  ahd_transinfo *user;
-        struct  ahd_transinfo *goal;
-        struct  ahd_transinfo *curr;
-        struct  ahd_tmode_tstate *tstate;
-        struct  ahd_linux_device *dev;
-        u_int   width;
-        u_int   period;
-        u_int   offset;
-        u_int   ppr_options;
-        u_int   trans_version;
-        u_int   prot_version;
-
-        /*
-         * Determine if this lun actually exists.  If so,
-         * hold on to its corresponding device structure.
-         * If not, make sure we release the device and
-         * don't bother processing the rest of this inquiry
-         * command.
-         */
-        dev = ahd_linux_get_device(ahd, devinfo->channel - 'A',
-                                   devinfo->target, devinfo->lun,
-                                   /*alloc*/TRUE);
-
-        sid = (struct scsi_inquiry_data *)dev->target->inq_data;
-        if (SID_QUAL(sid) == SID_QUAL_LU_CONNECTED) {
-
-                dev->flags &= ~AHD_DEV_UNCONFIGURED;
-        } else {
-                dev->flags |= AHD_DEV_UNCONFIGURED;
-                return;
-        }
+        struct  ahd_softc *ahd;
+        u_long  s;
 
-        /*
-         * Update our notion of this device's transfer
-         * negotiation capabilities.
-         */
-        tinfo = ahd_fetch_transinfo(ahd, devinfo->channel,
-                                    devinfo->our_scsiid,
-                                    devinfo->target, &tstate);
-        user = &tinfo->user;
-        goal = &tinfo->goal;
-        curr = &tinfo->curr;
-        width = user->width;
-        period = user->period;
-        offset = user->offset;
-        ppr_options = user->ppr_options;
-        trans_version = user->transport_version;
-        prot_version = MIN(user->protocol_version, SID_ANSI_REV(sid));
+        ahd = (struct ahd_softc *)arg;
 
-        /*
-         * Only attempt SPI3/4 once we've verified that
-         * the device claims to support SPI3/4 features.
-         */
-        if (prot_version < SCSI_REV_2)
-                trans_version = SID_ANSI_REV(sid);
-        else
-                trans_version = SCSI_REV_2;
-
-        if ((sid->flags & SID_WBus16) == 0)
-                width = MSG_EXT_WDTR_BUS_8_BIT;
-        if ((sid->flags & SID_Sync) == 0) {
-                period = 0;
-                offset = 0;
-                ppr_options = 0;
-        }
-        if ((sid->spi3data & SID_SPI_QAS) == 0)
-                ppr_options &= ~MSG_EXT_PPR_QAS_REQ;
-        if ((sid->spi3data & SID_SPI_CLOCK_DT) == 0)
-                ppr_options &= MSG_EXT_PPR_QAS_REQ;
-        if ((sid->spi3data & SID_SPI_IUS) == 0)
-                ppr_options &= (MSG_EXT_PPR_DT_REQ
-                              | MSG_EXT_PPR_QAS_REQ);
-
-        if (prot_version > SCSI_REV_2
-         && ppr_options != 0)
-                trans_version = user->transport_version;
-
-        ahd_validate_width(ahd, /*tinfo limit*/NULL, &width, ROLE_UNKNOWN);
-        ahd_find_syncrate(ahd, &period, &ppr_options, AHD_SYNCRATE_MAX);
-        ahd_validate_offset(ahd, /*tinfo limit*/NULL, period,
-                            &offset, width, ROLE_UNKNOWN);
-        if (offset == 0 || period == 0) {
-                period = 0;
-                offset = 0;
-                ppr_options = 0;
+        ahd_lock(ahd, &s);
+        if ((ahd->platform_data->flags & AHD_SCB_UP_EH_SEM) != 0) {
+                ahd->platform_data->flags &= ~AHD_SCB_UP_EH_SEM;
+                up(&ahd->platform_data->eh_sem);
         }
-        /* Apply our filtered user settings. */
-        curr->transport_version = trans_version;
-        curr->protocol_version = prot_version;
-        ahd_set_width(ahd, devinfo, width, AHD_TRANS_GOAL, /*paused*/FALSE);
-        ahd_set_syncrate(ahd, devinfo, period, offset, ppr_options,
-                         AHD_TRANS_GOAL, /*paused*/FALSE);
+        ahd_unlock(ahd, &s);
 }
 
 void
@@ -4882,12 +2035,6 @@ ahd_release_simq(struct ahd_softc *ahd)
         if (ahd->platform_data->qfrozen == 0) {
                 unblock_reqs = 1;
         }
-        if (AHD_DV_SIMQ_FROZEN(ahd)
-         && ((ahd->platform_data->flags & AHD_DV_WAIT_SIMQ_RELEASE) != 0)) {
-                ahd->platform_data->flags &= ~AHD_DV_WAIT_SIMQ_RELEASE;
-                up(&ahd->platform_data->dv_sem);
-        }
-        ahd_schedule_runq(ahd);
         ahd_unlock(ahd, &s);
         /*
          * There is still a race here.  The mid-layer
@@ -4899,118 +2046,743 @@ ahd_release_simq(struct ahd_softc *ahd)
                 scsi_unblock_requests(ahd->platform_data->host);
 }
 
-static void
-ahd_linux_sem_timeout(u_long arg)
+static int
+ahd_linux_queue_recovery_cmd(struct scsi_cmnd *cmd, scb_flag flag)
 {
-        struct  scb *scb;
-        struct  ahd_softc *ahd;
-        u_long  s;
+        struct ahd_softc *ahd;
+        struct ahd_linux_device *dev;
+        struct scb *pending_scb;
+        u_int  saved_scbptr;
+        u_int  active_scbptr;
+        u_int  last_phase;
+        u_int  saved_scsiid;
+        u_int  cdb_byte;
+        int    retval;
+        int    was_paused;
+        int    paused;
+        int    wait;
+        int    disconnected;
+        ahd_mode_state saved_modes;
 
-        scb = (struct scb *)arg;
-        ahd = scb->ahd_softc;
-        ahd_lock(ahd, &s);
-        if ((scb->platform_data->flags & AHD_SCB_UP_EH_SEM) != 0) {
-                scb->platform_data->flags &= ~AHD_SCB_UP_EH_SEM;
-                up(&ahd->platform_data->eh_sem);
+        pending_scb = NULL;
+        paused = FALSE;
+        wait = FALSE;
+        ahd = *(struct ahd_softc **)cmd->device->host->hostdata;
+
+        printf("%s:%d:%d:%d: Attempting to queue a%s message:",
+               ahd_name(ahd), cmd->device->channel,
+               cmd->device->id, cmd->device->lun,
+               flag == SCB_ABORT ? "n ABORT" : " TARGET RESET");
+
+        printf("CDB:");
+        for (cdb_byte = 0; cdb_byte < cmd->cmd_len; cdb_byte++)
+                printf(" 0x%x", cmd->cmnd[cdb_byte]);
+        printf("\n");
+
+        spin_lock_irq(&ahd->platform_data->spin_lock);
+
+        /*
+         * First determine if we currently own this command.
+         * Start by searching the device queue.  If not found
+         * there, check the pending_scb list.  If not found
+         * at all, and the system wanted us to just abort the
+         * command, return success.
+         */
+        dev = scsi_transport_device_data(cmd->device);
+
+        if (dev == NULL) {
+                /*
+                 * No target device for this command exists,
+                 * so we must not still own the command.
+                 */
+                printf("%s:%d:%d:%d: Is not an active device\n",
+                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
+                       cmd->device->lun);
+                retval = SUCCESS;
+                goto no_cmd;
         }
-        ahd_unlock(ahd, &s);
+
+        /*
+         * See if we can find a matching cmd in the pending list.
+         */
+        LIST_FOREACH(pending_scb, &ahd->pending_scbs, pending_links) {
+                if (pending_scb->io_ctx == cmd)
+                        break;
+        }
+
+        if (pending_scb == NULL && flag == SCB_DEVICE_RESET) {
+
+                /* Any SCB for this device will do for a target reset */
+                LIST_FOREACH(pending_scb, &ahd->pending_scbs, pending_links) {
+                        if (ahd_match_scb(ahd, pending_scb, cmd->device->id,
+                                          cmd->device->channel + 'A',
+                                          CAM_LUN_WILDCARD,
+                                          SCB_LIST_NULL, ROLE_INITIATOR) == 0)
+                                break;
+                }
+        }
+
+        if (pending_scb == NULL) {
+                printf("%s:%d:%d:%d: Command not found\n",
+                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
+                       cmd->device->lun);
+                goto no_cmd;
+        }
+
+        if ((pending_scb->flags & SCB_RECOVERY_SCB) != 0) {
+                /*
+                 * We can't queue two recovery actions using the same SCB
+                 */
+                retval = FAILED;
+                goto  done;
+        }
+
+        /*
+         * Ensure that the card doesn't do anything
+         * behind our back.  Also make sure that we
+         * didn't "just" miss an interrupt that would
+         * affect this cmd.
+         */
+        was_paused = ahd_is_paused(ahd);
+        ahd_pause_and_flushwork(ahd);
+        paused = TRUE;
+
+        if ((pending_scb->flags & SCB_ACTIVE) == 0) {
+                printf("%s:%d:%d:%d: Command already completed\n",
+                       ahd_name(ahd), cmd->device->channel, cmd->device->id,
+                       cmd->device->lun);
+                goto no_cmd;
+        }
+
+        printf("%s: At time of recovery, card was %spaused\n",
+               ahd_name(ahd), was_paused ? "" : "not ");
+        ahd_dump_card_state(ahd);
+
+        disconnected = TRUE;
+        if (flag == SCB_ABORT) {
+                if (ahd_search_qinfifo(ahd, cmd->device->id, 
+                                       cmd->device->channel + 'A',
+                                       cmd->device->lun, 
+                                       pending_scb->hscb->tag,
+                                       ROLE_INITIATOR, CAM_REQ_ABORTED,
+                                       SEARCH_COMPLETE) > 0) {
+                        printf("%s:%d:%d:%d: Cmd aborted from QINFIFO\n",
+                               ahd_name(ahd), cmd->device->channel, 
+                               cmd->device->id, cmd->device->lun);
+                        retval = SUCCESS;
+                        goto done;
+                }
+        } else if (ahd_search_qinfifo(ahd, cmd->device->id,
+                                      cmd->device->channel + 'A',
+                                      cmd->device->lun, pending_scb->hscb->tag,
+                                      ROLE_INITIATOR, /*status*/0,
+                                      SEARCH_COUNT) > 0) {
+                disconnected = FALSE;
+        }
+
+        saved_modes = ahd_save_modes(ahd);
+        ahd_set_modes(ahd, AHD_MODE_SCSI, AHD_MODE_SCSI);
+        last_phase = ahd_inb(ahd, LASTPHASE);
+        saved_scbptr = ahd_get_scbptr(ahd);
+        active_scbptr = saved_scbptr;
+        if (disconnected && (ahd_inb(ahd, SEQ_FLAGS) & NOT_IDENTIFIED) == 0) {
+                struct scb *bus_scb;
+
+                bus_scb = ahd_lookup_scb(ahd, active_scbptr);
+                if (bus_scb == pending_scb)
+                        disconnected = FALSE;
+                else if (flag != SCB_ABORT
+                         && ahd_inb(ahd, SAVED_SCSIID) == pending_scb->hscb->scsiid
+                         && ahd_inb(ahd, SAVED_LUN) == SCB_GET_LUN(pending_scb))
+                        disconnected = FALSE;
+        }
+
+        /*
+         * At this point, pending_scb is the scb associated with the
+         * passed in command.  That command is currently active on the
+         * bus or is in the disconnected state.
+         */
+        saved_scsiid = ahd_inb(ahd, SAVED_SCSIID);
+        if (last_phase != P_BUSFREE
+         && (SCB_GET_TAG(pending_scb) == active_scbptr
+             || (flag == SCB_DEVICE_RESET
+                 && SCSIID_TARGET(ahd, saved_scsiid) == cmd->device->id))) {
+
+                /*
+                 * We're active on the bus, so assert ATN
+                 * and hope that the target responds.
+                 */
+                pending_scb = ahd_lookup_scb(ahd, active_scbptr);
+                pending_scb->flags |= SCB_RECOVERY_SCB|flag;
+                ahd_outb(ahd, MSG_OUT, HOST_MSG);
+                ahd_outb(ahd, SCSISIGO, last_phase|ATNO);
+                printf("%s:%d:%d:%d: Device is active, asserting ATN\n",
+                       ahd_name(ahd), cmd->device->channel,
+                       cmd->device->id, cmd->device->lun);
+                wait = TRUE;
+        } else if (disconnected) {
+
+                /*
+                 * Actually re-queue this SCB in an attempt
+                 * to select the device before it reconnects.
+                 */
+                pending_scb->flags |= SCB_RECOVERY_SCB|SCB_ABORT;
+                ahd_set_scbptr(ahd, SCB_GET_TAG(pending_scb));
+                pending_scb->hscb->cdb_len = 0;
+                pending_scb->hscb->task_attribute = 0;
+                pending_scb->hscb->task_management = SIU_TASKMGMT_ABORT_TASK;
+
+                if ((pending_scb->flags & SCB_PACKETIZED) != 0) {
+                        /*
+                         * Mark the SCB has having an outstanding
+                         * task management function.  Should the command
+                         * complete normally before the task management
+                         * function can be sent, the host will be notified
+                         * to abort our requeued SCB.
+                         */
+                        ahd_outb(ahd, SCB_TASK_MANAGEMENT,
+                                 pending_scb->hscb->task_management);
+                } else {
+                        /*
+                         * If non-packetized, set the MK_MESSAGE control
+                         * bit indicating that we desire to send a message.
+                         * We also set the disconnected flag since there is
+                         * no guarantee that our SCB control byte matches
+                         * the version on the card.  We don't want the
+                         * sequencer to abort the command thinking an
+                         * unsolicited reselection occurred.
+                         */
+                        pending_scb->hscb->control |= MK_MESSAGE|DISCONNECTED;
+
+                        /*
+                         * The sequencer will never re-reference the
+                         * in-core SCB.  To make sure we are notified
+                         * during reslection, set the MK_MESSAGE flag in
+                         * the card's copy of the SCB.
+                         */
+                        ahd_outb(ahd, SCB_CONTROL,
+                                 ahd_inb(ahd, SCB_CONTROL)|MK_MESSAGE);
+                }
+
+                /*
+                 * Clear out any entries in the QINFIFO first
+                 * so we are the next SCB for this target
+                 * to run.
+                 */
+                ahd_search_qinfifo(ahd, cmd->device->id,
+                                   cmd->device->channel + 'A', cmd->device->lun,
+                                   SCB_LIST_NULL, ROLE_INITIATOR,
+                                   CAM_REQUEUE_REQ, SEARCH_COMPLETE);
+                ahd_qinfifo_requeue_tail(ahd, pending_scb);
+                ahd_set_scbptr(ahd, saved_scbptr);
+                ahd_print_path(ahd, pending_scb);
+                printf("Device is disconnected, re-queuing SCB\n");
+                wait = TRUE;
+        } else {
+                printf("%s:%d:%d:%d: Unable to deliver message\n",
+                       ahd_name(ahd), cmd->device->channel,
+                       cmd->device->id, cmd->device->lun);
+                retval = FAILED;
+                goto done;
+        }
+
+no_cmd:
+        /*
+         * Our assumption is that if we don't have the command, no
+         * recovery action was required, so we return success.  Again,
+         * the semantics of the mid-layer recovery engine are not
+         * well defined, so this may change in time.
+         */
+        retval = SUCCESS;
+done:
+        if (paused)
+                ahd_unpause(ahd);
+        if (wait) {
+                struct timer_list timer;
+                int ret;
+
+                ahd->platform_data->flags |= AHD_SCB_UP_EH_SEM;
+                spin_unlock_irq(&ahd->platform_data->spin_lock);
+                init_timer(&timer);
+                timer.data = (u_long)ahd;
+                timer.expires = jiffies + (5 * HZ);
+                timer.function = ahd_linux_sem_timeout;
+                add_timer(&timer);
+                printf("Recovery code sleeping\n");
+                down(&ahd->platform_data->eh_sem);
+                printf("Recovery code awake\n");
+                ret = del_timer_sync(&timer);
+                if (ret == 0) {
+                        printf("Timer Expired\n");
+                        retval = FAILED;
+                }
+                spin_lock_irq(&ahd->platform_data->spin_lock);
+        }
+        spin_unlock_irq(&ahd->platform_data->spin_lock);
+        return (retval);
 }
 
-static void
-ahd_linux_dev_timed_unfreeze(u_long arg)
+static void ahd_linux_set_width(struct scsi_target *starget, int width)
 {
-        struct ahd_linux_device *dev;
-        struct ahd_softc *ahd;
-        u_long s;
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_devinfo devinfo;
+        unsigned long flags;
 
-        dev = (struct ahd_linux_device *)arg;
-        ahd = dev->target->ahd;
-        ahd_lock(ahd, &s);
-        dev->flags &= ~AHD_DEV_TIMER_ACTIVE;
-        if (dev->qfrozen > 0)
-                dev->qfrozen--;
-        if (dev->qfrozen == 0
-         && (dev->flags & AHD_DEV_ON_RUN_LIST) == 0)
-                ahd_linux_run_device_queue(ahd, dev);
-        if ((dev->flags & AHD_DEV_UNCONFIGURED) != 0
-         && dev->active == 0)
-                ahd_linux_free_device(ahd, dev);
-        ahd_unlock(ahd, &s);
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_lock(ahd, &flags);
+        ahd_set_width(ahd, &devinfo, width, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
 }
 
-void
-ahd_platform_dump_card_state(struct ahd_softc *ahd)
+static void ahd_linux_set_period(struct scsi_target *starget, int period)
 {
-        struct ahd_linux_device *dev;
-        int target;
-        int maxtarget;
-        int lun;
-        int i;
-
-        maxtarget = (ahd->features & AHD_WIDE) ? 15 : 7;
-        for (target = 0; target <=maxtarget; target++) {
-
-                for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
-                        struct ahd_cmd *acmd;
-
-                        dev = ahd_linux_get_device(ahd, 0, target,
-                                                   lun, /*alloc*/FALSE);
-                        if (dev == NULL)
-                                continue;
-
-                        printf("DevQ(%d:%d:%d): ", 0, target, lun);
-                        i = 0;
-                        TAILQ_FOREACH(acmd, &dev->busyq, acmd_links.tqe) {
-                                if (i++ > AHD_SCB_MAX)
-                                        break;
-                        }
-                        printf("%d waiting\n", i);
-                }
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options;
+        unsigned int dt;
+        unsigned long flags;
+        unsigned long offset = tinfo->goal.offset;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: set period to %d\n", ahd_name(ahd), period);
+#endif
+        if (offset == 0)
+                offset = MAX_OFFSET;
+
+        if (period < 8)
+                period = 8;
+        if (period < 10) {
+                ppr_options |= MSG_EXT_PPR_DT_REQ;
+                if (period == 8)
+                        ppr_options |= MSG_EXT_PPR_IU_REQ;
         }
+
+        dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+
+        /* all PPR requests apart from QAS require wide transfers */
+        if (ppr_options & ~MSG_EXT_PPR_QAS_REQ) {
+                if (spi_width(starget) == 0)
+                        ppr_options &= MSG_EXT_PPR_QAS_REQ;
+        }
+
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
 }
 
-static int __init
-ahd_linux_init(void)
+static void ahd_linux_set_offset(struct scsi_target *starget, int offset)
 {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-        return ahd_linux_detect(&aic79xx_driver_template);
-#else
-        scsi_register_module(MODULE_SCSI_HA, &aic79xx_driver_template);
-        if (aic79xx_driver_template.present == 0) {
-                scsi_unregister_module(MODULE_SCSI_HA,
-                                       &aic79xx_driver_template);
-                return (-ENODEV);
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = 0;
+        unsigned int period = 0;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: set offset to %d\n", ahd_name(ahd), offset);
+#endif
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        if (offset != 0) {
+                period = tinfo->goal.period;
+                ppr_options = tinfo->goal.ppr_options;
+                ahd_find_syncrate(ahd, &period, &ppr_options, 
+                                  dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
         }
 
-        return (0);
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, offset, ppr_options,
+                         AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_dt(struct scsi_target *starget, int dt)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_DT_REQ;
+        unsigned int period = tinfo->goal.period;
+        unsigned int width = tinfo->goal.width;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s DT\n", ahd_name(ahd), 
+                       dt ? "enabling" : "disabling");
+#endif
+        if (dt) {
+                ppr_options |= MSG_EXT_PPR_DT_REQ;
+                if (!width)
+                        ahd_linux_set_width(starget, 1);
+        } else {
+                if (period <= 9)
+                        period = 10; /* If resetting DT, period must be >= 25ns */
+                /* IU is invalid without DT set */
+                ppr_options &= ~MSG_EXT_PPR_IU_REQ;
+        }
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_qas(struct scsi_target *starget, int qas)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_QAS_REQ;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s QAS\n", ahd_name(ahd), 
+                       qas ? "enabling" : "disabling");
+#endif
+
+        if (qas) {
+                ppr_options |= MSG_EXT_PPR_QAS_REQ; 
+        }
+
+        dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_iu(struct scsi_target *starget, int iu)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_IU_REQ;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s IU\n", ahd_name(ahd),
+                       iu ? "enabling" : "disabling");
 #endif
+
+        if (iu) {
+                ppr_options |= MSG_EXT_PPR_IU_REQ;
+                ppr_options |= MSG_EXT_PPR_DT_REQ; /* IU requires DT */
+        }
+
+        dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
 }
 
-static void __exit
-ahd_linux_exit(void)
+static void ahd_linux_set_rd_strm(struct scsi_target *starget, int rdstrm)
 {
-        struct ahd_softc *ahd;
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_RD_STRM;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
 
-        /*
-         * Shutdown DV threads before going into the SCSI mid-layer.
-         * This avoids situations where the mid-layer locks the entire
-         * kernel so that waiting for our DV threads to exit leads
-         * to deadlock.
-         */
-        TAILQ_FOREACH(ahd, &ahd_tailq, links) {
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s Read Streaming\n", ahd_name(ahd), 
+                       rdstrm  ? "enabling" : "disabling");
+#endif
+
+        if (rdstrm)
+                ppr_options |= MSG_EXT_PPR_RD_STRM;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
 
-                ahd_linux_kill_dv_thread(ahd);
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_wr_flow(struct scsi_target *starget, int wrflow)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_WR_FLOW;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s Write Flow Control\n", ahd_name(ahd),
+                       wrflow ? "enabling" : "disabling");
+#endif
+
+        if (wrflow)
+                ppr_options |= MSG_EXT_PPR_WR_FLOW;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_rti(struct scsi_target *starget, int rti)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_RTI;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
+
+        if ((ahd->features & AHD_RTI) == 0) {
+#ifdef AHD_DEBUG
+                if ((ahd_debug & AHD_SHOW_DV) != 0)
+                        printf("%s: RTI not available\n", ahd_name(ahd));
+#endif
+                return;
         }
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s RTI\n", ahd_name(ahd),
+                       rti ? "enabling" : "disabling");
+#endif
+
+        if (rti)
+                ppr_options |= MSG_EXT_PPR_RTI;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_pcomp_en(struct scsi_target *starget, int pcomp)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_PCOMP_EN;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
+
+#ifdef AHD_DEBUG
+        if ((ahd_debug & AHD_SHOW_DV) != 0)
+                printf("%s: %s Precompensation\n", ahd_name(ahd), 
+                       pcomp ? "Enable" : "Disable");
+#endif
+
+        if (pcomp)
+                ppr_options |= MSG_EXT_PPR_PCOMP_EN;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+static void ahd_linux_set_hold_mcs(struct scsi_target *starget, int hold)
+{
+        struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+        struct ahd_softc *ahd = *((struct ahd_softc **)shost->hostdata);
+        struct ahd_tmode_tstate *tstate;
+        struct ahd_initiator_tinfo *tinfo 
+                = ahd_fetch_transinfo(ahd,
+                                      starget->channel + 'A',
+                                      shost->this_id, starget->id, &tstate);
+        struct ahd_devinfo devinfo;
+        unsigned int ppr_options = tinfo->goal.ppr_options
+                & ~MSG_EXT_PPR_HOLD_MCS;
+        unsigned int period = tinfo->goal.period;
+        unsigned int dt = ppr_options & MSG_EXT_PPR_DT_REQ;
+        unsigned long flags;
+
+        if (hold)
+                ppr_options |= MSG_EXT_PPR_HOLD_MCS;
+
+        ahd_compile_devinfo(&devinfo, shost->this_id, starget->id, 0,
+                            starget->channel + 'A', ROLE_INITIATOR);
+        ahd_find_syncrate(ahd, &period, &ppr_options,
+                          dt ? AHD_SYNCRATE_MAX : AHD_SYNCRATE_ULTRA2);
+
+        ahd_lock(ahd, &flags);
+        ahd_set_syncrate(ahd, &devinfo, period, tinfo->goal.offset,
+                         ppr_options, AHD_TRANS_GOAL, FALSE);
+        ahd_unlock(ahd, &flags);
+}
+
+
+
+static struct spi_function_template ahd_linux_transport_functions = {
+        .set_offset     = ahd_linux_set_offset,
+        .show_offset    = 1,
+        .set_period     = ahd_linux_set_period,
+        .show_period    = 1,
+        .set_width      = ahd_linux_set_width,
+        .show_width     = 1,
+        .set_dt         = ahd_linux_set_dt,
+        .show_dt        = 1,
+        .set_iu         = ahd_linux_set_iu,
+        .show_iu        = 1,
+        .set_qas        = ahd_linux_set_qas,
+        .show_qas       = 1,
+        .set_rd_strm    = ahd_linux_set_rd_strm,
+        .show_rd_strm   = 1,
+        .set_wr_flow    = ahd_linux_set_wr_flow,
+        .show_wr_flow   = 1,
+        .set_rti        = ahd_linux_set_rti,
+        .show_rti       = 1,
+        .set_pcomp_en   = ahd_linux_set_pcomp_en,
+        .show_pcomp_en  = 1,
+        .set_hold_mcs   = ahd_linux_set_hold_mcs,
+        .show_hold_mcs  = 1,
+};
+
+static int __init
+ahd_linux_init(void)
+{
+        int     error = 0;
+
         /*
-         * In 2.4 we have to unregister from the PCI core _after_
-         * unregistering from the scsi midlayer to avoid dangling
-         * references.
+         * If we've been passed any parameters, process them now.
          */
-        scsi_unregister_module(MODULE_SCSI_HA, &aic79xx_driver_template);
-#endif
+        if (aic79xx)
+                aic79xx_setup(aic79xx);
+
+        ahd_linux_transport_template =
+                spi_attach_transport(&ahd_linux_transport_functions);
+        if (!ahd_linux_transport_template)
+                return -ENODEV;
+
+        scsi_transport_reserve_target(ahd_linux_transport_template,
+                                      sizeof(struct ahd_linux_target));
+        scsi_transport_reserve_device(ahd_linux_transport_template,
+                                      sizeof(struct ahd_linux_device));
+
+        error = ahd_linux_pci_init();
+        if (error)
+                spi_release_transport(ahd_linux_transport_template);
+        return error;
+}
+
+static void __exit
+ahd_linux_exit(void)
+{
         ahd_linux_pci_exit();
+        spi_release_transport(ahd_linux_transport_template);
 }
 
 module_init(ahd_linux_init);
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm.h b/drivers/scsi/aic7xxx/aic79xx_osm.h
index 7823e52e99ab..052c6619accc 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm.h
+++ b/drivers/scsi/aic7xxx/aic79xx_osm.h
@@ -42,6 +42,7 @@
 #ifndef _AIC79XX_LINUX_H_
 #define _AIC79XX_LINUX_H_
 
+#include <linux/config.h>
 #include <linux/types.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
@@ -49,18 +50,23 @@
 #include <linux/pci.h>
 #include <linux/smp_lock.h>
 #include <linux/version.h>
+#include <linux/interrupt.h>
 #include <linux/module.h>
+#include <linux/slab.h>
 #include <asm/byteorder.h>
 #include <asm/io.h>
 
-#include <linux/interrupt.h> /* For tasklet support. */
-#include <linux/config.h>
-#include <linux/slab.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_eh.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+#include <scsi/scsi_tcq.h>
+#include <scsi/scsi_transport.h>
+#include <scsi/scsi_transport_spi.h>
 
 /* Core SCSI definitions */
 #define AIC_LIB_PREFIX ahd
-#include "scsi.h"
-#include <scsi/scsi_host.h>
 
 /* Name space conflict with BSD queue macros */
 #ifdef LIST_HEAD
@@ -95,7 +101,7 @@
 /************************* Forward Declarations *******************************/
 struct ahd_softc;
 typedef struct pci_dev *ahd_dev_softc_t;
-typedef Scsi_Cmnd      *ahd_io_ctx_t;
+typedef struct scsi_cmnd      *ahd_io_ctx_t;
 
 /******************************* Byte Order ***********************************/
 #define ahd_htobe16(x)  cpu_to_be16(x)
@@ -114,8 +120,7 @@ typedef Scsi_Cmnd      *ahd_io_ctx_t;
 
 /************************* Configuration Data *********************************/
 extern uint32_t aic79xx_allow_memio;
-extern int aic79xx_detect_complete;
-extern Scsi_Host_Template aic79xx_driver_template;
+extern struct scsi_host_template aic79xx_driver_template;
 
 /***************************** Bus Space/DMA **********************************/
 
@@ -145,11 +150,7 @@ struct ahd_linux_dma_tag
 };
 typedef struct ahd_linux_dma_tag* bus_dma_tag_t;
 
-struct ahd_linux_dmamap
-{
-        dma_addr_t      bus_addr;
-};
-typedef struct ahd_linux_dmamap* bus_dmamap_t;
+typedef dma_addr_t bus_dmamap_t;
 
 typedef int bus_dma_filter_t(void*, dma_addr_t);
 typedef void bus_dmamap_callback_t(void *, bus_dma_segment_t *, int, int);
@@ -226,12 +227,12 @@ typedef struct timer_list ahd_timer_t;
 #define ahd_timer_init init_timer
 #define ahd_timer_stop del_timer_sync
 typedef void ahd_linux_callback_t (u_long);  
-static __inline void ahd_timer_reset(ahd_timer_t *timer, u_int usec,
+static __inline void ahd_timer_reset(ahd_timer_t *timer, int usec,
                                      ahd_callback_t *func, void *arg);
 static __inline void ahd_scb_timer_reset(struct scb *scb, u_int usec);
 
 static __inline void
-ahd_timer_reset(ahd_timer_t *timer, u_int usec, ahd_callback_t *func, void *arg)
+ahd_timer_reset(ahd_timer_t *timer, int usec, ahd_callback_t *func, void *arg)
 {
         struct ahd_softc *ahd;
 
@@ -252,43 +253,8 @@ ahd_scb_timer_reset(struct scb *scb, u_int usec)
 /***************************** SMP support ************************************/
 #include <linux/spinlock.h>
 
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0) || defined(SCSI_HAS_HOST_LOCK))
-#define AHD_SCSI_HAS_HOST_LOCK 1
-#else
-#define AHD_SCSI_HAS_HOST_LOCK 0
-#endif
-
 #define AIC79XX_DRIVER_VERSION "1.3.11"
 
-/**************************** Front End Queues ********************************/
-/*
- * Data structure used to cast the Linux struct scsi_cmnd to something
- * that allows us to use the queue macros.  The linux structure has
- * plenty of space to hold the links fields as required by the queue
- * macros, but the queue macors require them to have the correct type.
- */
-struct ahd_cmd_internal {
-        /* Area owned by the Linux scsi layer. */
-        uint8_t private[offsetof(struct scsi_cmnd, SCp.Status)];
-        union {
-                STAILQ_ENTRY(ahd_cmd)   ste;
-                LIST_ENTRY(ahd_cmd)     le;
-                TAILQ_ENTRY(ahd_cmd)    tqe;
-        } links;
-        uint32_t                        end;
-};
-
-struct ahd_cmd {
-        union {
-                struct ahd_cmd_internal icmd;
-                struct scsi_cmnd        scsi_cmd;
-        } un;
-};
-
-#define acmd_icmd(cmd) ((cmd)->un.icmd)
-#define acmd_scsi_cmd(cmd) ((cmd)->un.scsi_cmd)
-#define acmd_links un.icmd.links
-
 /*************************** Device Data Structures ***************************/
 /*
  * A per probed device structure used to deal with some error recovery
@@ -297,22 +263,17 @@ struct ahd_cmd {
  * after a successfully completed inquiry command to the target when
  * that inquiry data indicates a lun is present.
  */
-TAILQ_HEAD(ahd_busyq, ahd_cmd);
+
 typedef enum {
-        AHD_DEV_UNCONFIGURED     = 0x01,
         AHD_DEV_FREEZE_TIL_EMPTY = 0x02, /* Freeze queue until active == 0 */
-        AHD_DEV_TIMER_ACTIVE     = 0x04, /* Our timer is active */
-        AHD_DEV_ON_RUN_LIST      = 0x08, /* Queued to be run later */
         AHD_DEV_Q_BASIC          = 0x10, /* Allow basic device queuing */
         AHD_DEV_Q_TAGGED         = 0x20, /* Allow full SCSI2 command queueing */
         AHD_DEV_PERIODIC_OTAG    = 0x40, /* Send OTAG to prevent starvation */
-        AHD_DEV_SLAVE_CONFIGURED = 0x80  /* slave_configure() has been called */
 } ahd_linux_dev_flags;
 
 struct ahd_linux_target;
 struct ahd_linux_device {
         TAILQ_ENTRY(ahd_linux_device) links;
-        struct                  ahd_busyq busyq;
 
         /*
          * The number of transactions currently
@@ -388,62 +349,12 @@ struct ahd_linux_device {
          */
         u_int                   commands_since_idle_or_otag;
 #define AHD_OTAG_THRESH 500
-
-        int                     lun;
-        Scsi_Device            *scsi_device;
-        struct                  ahd_linux_target *target;
 };
 
-typedef enum {
-        AHD_DV_REQUIRED          = 0x01,
-        AHD_INQ_VALID            = 0x02,
-        AHD_BASIC_DV             = 0x04,
-        AHD_ENHANCED_DV          = 0x08
-} ahd_linux_targ_flags;
-
-/* DV States */
-typedef enum {
-        AHD_DV_STATE_EXIT = 0,
-        AHD_DV_STATE_INQ_SHORT_ASYNC,
-        AHD_DV_STATE_INQ_ASYNC,
-        AHD_DV_STATE_INQ_ASYNC_VERIFY,
-        AHD_DV_STATE_TUR,
-        AHD_DV_STATE_REBD,
-        AHD_DV_STATE_INQ_VERIFY,
-        AHD_DV_STATE_WEB,
-        AHD_DV_STATE_REB,
-        AHD_DV_STATE_SU,
-        AHD_DV_STATE_BUSY
-} ahd_dv_state;
-
 struct ahd_linux_target {
-        struct ahd_linux_device  *devices[AHD_NUM_LUNS];
-        int                       channel;
-        int                       target;
-        int                       refcount;
+        struct scsi_device       *sdev[AHD_NUM_LUNS];
         struct ahd_transinfo      last_tinfo;
         struct ahd_softc         *ahd;
-        ahd_linux_targ_flags      flags;
-        struct scsi_inquiry_data *inq_data;
-        /*
-         * The next "fallback" period to use for narrow/wide transfers.
-         */
-        uint8_t                   dv_next_narrow_period;
-        uint8_t                   dv_next_wide_period;
-        uint8_t                   dv_max_width;
-        uint8_t                   dv_max_ppr_options;
-        uint8_t                   dv_last_ppr_options;
-        u_int                     dv_echo_size;
-        ahd_dv_state              dv_state;
-        u_int                     dv_state_retry;
-        uint8_t                  *dv_buffer;
-        uint8_t                  *dv_buffer1;
-
-        /*
-         * Cumulative counter of errors.
-         */
-        u_long                  errors_detected;
-        u_long                  cmds_since_error;
 };
 
 /********************* Definitions Required by the Core ***********************/
@@ -453,32 +364,16 @@ struct ahd_linux_target {
  * manner and are allocated below 4GB, the number of S/G segments is
  * unrestricted.
  */
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-/*
- * We dynamically adjust the number of segments in pre-2.5 kernels to
- * avoid fragmentation issues in the SCSI mid-layer's private memory
- * allocator.  See aic79xx_osm.c ahd_linux_size_nseg() for details.
- */
-extern u_int ahd_linux_nseg;
-#define AHD_NSEG ahd_linux_nseg
-#define AHD_LINUX_MIN_NSEG 64
-#else
 #define AHD_NSEG 128
-#endif
 
 /*
  * Per-SCB OSM storage.
  */
-typedef enum {
-        AHD_SCB_UP_EH_SEM = 0x1
-} ahd_linux_scb_flags;
-
 struct scb_platform_data {
         struct ahd_linux_device *dev;
         dma_addr_t               buf_busaddr;
         uint32_t                 xfer_len;
         uint32_t                 sense_resid;   /* Auto-Sense residual */
-        ahd_linux_scb_flags      flags;
 };
 
 /*
@@ -487,44 +382,23 @@ struct scb_platform_data {
  * alignment restrictions of the various platforms supported by
  * this driver.
  */
-typedef enum {
-        AHD_DV_WAIT_SIMQ_EMPTY   = 0x01,
-        AHD_DV_WAIT_SIMQ_RELEASE = 0x02,
-        AHD_DV_ACTIVE            = 0x04,
-        AHD_DV_SHUTDOWN          = 0x08,
-        AHD_RUN_CMPLT_Q_TIMER    = 0x10
-} ahd_linux_softc_flags;
-
-TAILQ_HEAD(ahd_completeq, ahd_cmd);
-
 struct ahd_platform_data {
         /*
          * Fields accessed from interrupt context.
          */
-        struct ahd_linux_target *targets[AHD_NUM_TARGETS]; 
-        TAILQ_HEAD(, ahd_linux_device) device_runq;
-        struct ahd_completeq     completeq;
+        struct scsi_target *starget[AHD_NUM_TARGETS]; 
 
         spinlock_t               spin_lock;
-        struct tasklet_struct    runq_tasklet;
         u_int                    qfrozen;
-        pid_t                    dv_pid;
-        struct timer_list        completeq_timer;
         struct timer_list        reset_timer;
-        struct timer_list        stats_timer;
         struct semaphore         eh_sem;
-        struct semaphore         dv_sem;
-        struct semaphore         dv_cmd_sem;    /* XXX This needs to be in
-                                                 * the target struct
-                                                 */
-        struct scsi_device      *dv_scsi_dev;
         struct Scsi_Host        *host;          /* pointer to scsi host */
 #define AHD_LINUX_NOIRQ ((uint32_t)~0)
         uint32_t                 irq;           /* IRQ for this adapter */
         uint32_t                 bios_address;
         uint32_t                 mem_busaddr;   /* Mem Base Addr */
-        uint64_t                 hw_dma_mask;
-        ahd_linux_softc_flags    flags;
+#define AHD_SCB_UP_EH_SEM 0x1
+        uint32_t                 flags;
 };
 
 /************************** OS Utility Wrappers *******************************/
@@ -641,7 +515,7 @@ ahd_insb(struct ahd_softc * ahd, long port, uint8_t *array, int count)
 
 /**************************** Initialization **********************************/
 int             ahd_linux_register_host(struct ahd_softc *,
-                                        Scsi_Host_Template *);
+                                        struct scsi_host_template *);
 
 uint64_t        ahd_linux_get_memsize(void);
 
@@ -657,28 +531,6 @@ void	ahd_format_transinfo(struct info_str *info,
                              struct ahd_transinfo *tinfo);
 
 /******************************** Locking *************************************/
-/* Lock protecting internal data structures */
-static __inline void ahd_lockinit(struct ahd_softc *);
-static __inline void ahd_lock(struct ahd_softc *, unsigned long *flags);
-static __inline void ahd_unlock(struct ahd_softc *, unsigned long *flags);
-
-/* Lock acquisition and release of the above lock in midlayer entry points. */
-static __inline void ahd_midlayer_entrypoint_lock(struct ahd_softc *,
-                                                  unsigned long *flags);
-static __inline void ahd_midlayer_entrypoint_unlock(struct ahd_softc *,
-                                                    unsigned long *flags);
-
-/* Lock held during command compeletion to the upper layer */
-static __inline void ahd_done_lockinit(struct ahd_softc *);
-static __inline void ahd_done_lock(struct ahd_softc *, unsigned long *flags);
-static __inline void ahd_done_unlock(struct ahd_softc *, unsigned long *flags);
-
-/* Lock held during ahd_list manipulation and ahd softc frees */
-extern spinlock_t ahd_list_spinlock;
-static __inline void ahd_list_lockinit(void);
-static __inline void ahd_list_lock(unsigned long *flags);
-static __inline void ahd_list_unlock(unsigned long *flags);
-
 static __inline void
 ahd_lockinit(struct ahd_softc *ahd)
 {
@@ -697,75 +549,6 @@ ahd_unlock(struct ahd_softc *ahd, unsigned long *flags)
         spin_unlock_irqrestore(&ahd->platform_data->spin_lock, *flags);
 }
 
-static __inline void
-ahd_midlayer_entrypoint_lock(struct ahd_softc *ahd, unsigned long *flags)
-{
-        /*
-         * In 2.5.X and some 2.4.X versions, the midlayer takes our
-         * lock just before calling us, so we avoid locking again.
-         * For other kernel versions, the io_request_lock is taken
-         * just before our entry point is called.  In this case, we
-         * trade the io_request_lock for our per-softc lock.
-         */
-#if AHD_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock(&io_request_lock);
-        spin_lock(&ahd->platform_data->spin_lock);
-#endif
-}
-
-static __inline void
-ahd_midlayer_entrypoint_unlock(struct ahd_softc *ahd, unsigned long *flags)
-{
-#if AHD_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock(&ahd->platform_data->spin_lock);
-        spin_lock(&io_request_lock);
-#endif
-}
-
-static __inline void
-ahd_done_lockinit(struct ahd_softc *ahd)
-{
-        /*
-         * In 2.5.X, our own lock is held during completions.
-         * In previous versions, the io_request_lock is used.
-         * In either case, we can't initialize this lock again.
-         */
-}
-
-static __inline void
-ahd_done_lock(struct ahd_softc *ahd, unsigned long *flags)
-{
-#if AHD_SCSI_HAS_HOST_LOCK == 0
-        spin_lock(&io_request_lock);
-#endif
-}
-
-static __inline void
-ahd_done_unlock(struct ahd_softc *ahd, unsigned long *flags)
-{
-#if AHD_SCSI_HAS_HOST_LOCK == 0
-        spin_unlock(&io_request_lock);
-#endif
-}
-
-static __inline void
-ahd_list_lockinit(void)
-{
-        spin_lock_init(&ahd_list_spinlock);
-}
-
-static __inline void
-ahd_list_lock(unsigned long *flags)
-{
-        spin_lock_irqsave(&ahd_list_spinlock, *flags);
-}
-
-static __inline void
-ahd_list_unlock(unsigned long *flags)
-{
-        spin_unlock_irqrestore(&ahd_list_spinlock, *flags);
-}
-
 /******************************* PCI Definitions ******************************/
 /*
  * PCIM_xxx: mask to locate subfield in register
@@ -925,27 +708,17 @@ ahd_flush_device_writes(struct ahd_softc *ahd)
 }
 
 /**************************** Proc FS Support *********************************/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-int     ahd_linux_proc_info(char *, char **, off_t, int, int, int);
-#else
 int     ahd_linux_proc_info(struct Scsi_Host *, char *, char **,
                             off_t, int, int);
-#endif
-
-/*************************** Domain Validation ********************************/
-#define AHD_DV_CMD(cmd) ((cmd)->scsi_done == ahd_linux_dv_complete)
-#define AHD_DV_SIMQ_FROZEN(ahd)                                 \
-        ((((ahd)->platform_data->flags & AHD_DV_ACTIVE) != 0)   \
-         && (ahd)->platform_data->qfrozen == 1)
 
 /*********************** Transaction Access Wrappers **************************/
-static __inline void ahd_cmd_set_transaction_status(Scsi_Cmnd *, uint32_t);
+static __inline void ahd_cmd_set_transaction_status(struct scsi_cmnd *, uint32_t);
 static __inline void ahd_set_transaction_status(struct scb *, uint32_t);
-static __inline void ahd_cmd_set_scsi_status(Scsi_Cmnd *, uint32_t);
+static __inline void ahd_cmd_set_scsi_status(struct scsi_cmnd *, uint32_t);
 static __inline void ahd_set_scsi_status(struct scb *, uint32_t);
-static __inline uint32_t ahd_cmd_get_transaction_status(Scsi_Cmnd *cmd);
+static __inline uint32_t ahd_cmd_get_transaction_status(struct scsi_cmnd *cmd);
 static __inline uint32_t ahd_get_transaction_status(struct scb *);
-static __inline uint32_t ahd_cmd_get_scsi_status(Scsi_Cmnd *cmd);
+static __inline uint32_t ahd_cmd_get_scsi_status(struct scsi_cmnd *cmd);
 static __inline uint32_t ahd_get_scsi_status(struct scb *);
 static __inline void ahd_set_transaction_tag(struct scb *, int, u_int);
 static __inline u_long ahd_get_transfer_length(struct scb *);
@@ -964,7 +737,7 @@ static __inline void ahd_platform_scb_free(struct ahd_softc *ahd,
 static __inline void ahd_freeze_scb(struct scb *scb);
 
 static __inline
-void ahd_cmd_set_transaction_status(Scsi_Cmnd *cmd, uint32_t status)
+void ahd_cmd_set_transaction_status(struct scsi_cmnd *cmd, uint32_t status)
 {
         cmd->result &= ~(CAM_STATUS_MASK << 16);
         cmd->result |= status << 16;
@@ -977,7 +750,7 @@ void ahd_set_transaction_status(struct scb *scb, uint32_t status)
 }
 
 static __inline
-void ahd_cmd_set_scsi_status(Scsi_Cmnd *cmd, uint32_t status)
+void ahd_cmd_set_scsi_status(struct scsi_cmnd *cmd, uint32_t status)
 {
         cmd->result &= ~0xFFFF;
         cmd->result |= status;
@@ -990,7 +763,7 @@ void ahd_set_scsi_status(struct scb *scb, uint32_t status)
 }
 
 static __inline
-uint32_t ahd_cmd_get_transaction_status(Scsi_Cmnd *cmd)
+uint32_t ahd_cmd_get_transaction_status(struct scsi_cmnd *cmd)
 {
         return ((cmd->result >> 16) & CAM_STATUS_MASK);
 }
@@ -1002,7 +775,7 @@ uint32_t ahd_get_transaction_status(struct scb *scb)
 }
 
 static __inline
-uint32_t ahd_cmd_get_scsi_status(Scsi_Cmnd *cmd)
+uint32_t ahd_cmd_get_scsi_status(struct scsi_cmnd *cmd)
 {
         return (cmd->result & 0xFFFF);
 }
@@ -1117,7 +890,6 @@ void	ahd_done(struct ahd_softc*, struct scb*);
 void    ahd_send_async(struct ahd_softc *, char channel,
                        u_int target, u_int lun, ac_code, void *);
 void    ahd_print_path(struct ahd_softc *, struct scb *);
-void    ahd_platform_dump_card_state(struct ahd_softc *ahd);
 
 #ifdef CONFIG_PCI
 #define AHD_PCI_CONFIG 1
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index 91daf0c7fb10..390b53852d4b 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -92,27 +92,31 @@ struct pci_driver aic79xx_pci_driver = {
 static void
 ahd_linux_pci_dev_remove(struct pci_dev *pdev)
 {
-        struct ahd_softc *ahd;
-        u_long l;
+        struct ahd_softc *ahd = pci_get_drvdata(pdev);
+        u_long s;
 
-        /*
-         * We should be able to just perform
-         * the free directly, but check our
-         * list for extra sanity.
-         */
-        ahd_list_lock(&l);
-        ahd = ahd_find_softc((struct ahd_softc *)pci_get_drvdata(pdev));
-        if (ahd != NULL) {
-                u_long s;
-
-                TAILQ_REMOVE(&ahd_tailq, ahd, links);
-                ahd_list_unlock(&l);
-                ahd_lock(ahd, &s);
-                ahd_intr_enable(ahd, FALSE);
-                ahd_unlock(ahd, &s);
-                ahd_free(ahd);
-        } else
-                ahd_list_unlock(&l);
+        ahd_lock(ahd, &s);
+        ahd_intr_enable(ahd, FALSE);
+        ahd_unlock(ahd, &s);
+        ahd_free(ahd);
+}
+
+static void
+ahd_linux_pci_inherit_flags(struct ahd_softc *ahd)
+{
+        struct pci_dev *pdev = ahd->dev_softc, *master_pdev;
+        unsigned int master_devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0);
+
+        master_pdev = pci_get_slot(pdev->bus, master_devfn);
+        if (master_pdev) {
+                struct ahd_softc *master = pci_get_drvdata(master_pdev);
+                if (master) {
+                        ahd->flags &= ~AHD_BIOS_ENABLED;
+                        ahd->flags |= master->flags & AHD_BIOS_ENABLED;
+                } else
+                        printk(KERN_ERR "aic79xx: no multichannel peer found!\n");
+                pci_dev_put(master_pdev);
+        }
 }
 
 static int
@@ -125,22 +129,6 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         char            *name;
         int              error;
 
-        /*
-         * Some BIOSen report the same device multiple times.
-         */
-        TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-                struct pci_dev *probed_pdev;
-
-                probed_pdev = ahd->dev_softc;
-                if (probed_pdev->bus->number == pdev->bus->number
-                 && probed_pdev->devfn == pdev->devfn)
-                        break;
-        }
-        if (ahd != NULL) {
-                /* Skip duplicate. */
-                return (-ENODEV);
-        }
-
         pci = pdev;
         entry = ahd_find_pci_device(pci);
         if (entry == NULL)
@@ -177,15 +165,12 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 if (memsize >= 0x8000000000ULL
                  && pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) {
                         ahd->flags |= AHD_64BIT_ADDRESSING;
-                        ahd->platform_data->hw_dma_mask = DMA_64BIT_MASK;
                 } else if (memsize > 0x80000000
                         && pci_set_dma_mask(pdev, mask_39bit) == 0) {
                         ahd->flags |= AHD_39BIT_ADDRESSING;
-                        ahd->platform_data->hw_dma_mask = mask_39bit;
                 }
         } else {
                 pci_set_dma_mask(pdev, DMA_32BIT_MASK);
-                ahd->platform_data->hw_dma_mask = DMA_32BIT_MASK;
         }
         ahd->dev_softc = pci;
         error = ahd_pci_config(ahd, entry);
@@ -193,16 +178,17 @@ ahd_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 ahd_free(ahd);
                 return (-error);
         }
+
+        /*
+         * Second Function PCI devices need to inherit some
+         * * settings from function 0.
+         */
+        if ((ahd->features & AHD_MULTI_FUNC) && PCI_FUNC(pdev->devfn) != 0)
+                ahd_linux_pci_inherit_flags(ahd);
+
         pci_set_drvdata(pdev, ahd);
-        if (aic79xx_detect_complete) {
-#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
-                ahd_linux_register_host(ahd, &aic79xx_driver_template);
-#else
-                printf("aic79xx: ignoring PCI device found after "
-                       "initialization\n");
-                return (-ENODEV);
-#endif
-        }
+
+        ahd_linux_register_host(ahd, &aic79xx_driver_template);
         return (0);
 }
 
diff --git a/drivers/scsi/aic7xxx/aic79xx_pci.c b/drivers/scsi/aic7xxx/aic79xx_pci.c
index 703f6e44889d..2131db60018a 100644
--- a/drivers/scsi/aic7xxx/aic79xx_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_pci.c
@@ -283,7 +283,6 @@ int
 ahd_pci_config(struct ahd_softc *ahd, struct ahd_pci_identity *entry)
 {
         struct scb_data *shared_scb_data;
-        u_long           l;
         u_int            command;
         uint32_t         devconfig;
         uint16_t         subvendor; 
@@ -373,16 +372,9 @@ ahd_pci_config(struct ahd_softc *ahd, struct ahd_pci_identity *entry)
          * Allow interrupts now that we are completely setup.
          */
         error = ahd_pci_map_int(ahd);
-        if (error != 0)
-                return (error);
-
-        ahd_list_lock(&l);
-        /*
-         * Link this softc in with all other ahd instances.
-         */
-        ahd_softc_insert(ahd);
-        ahd_list_unlock(&l);
-        return (0);
+        if (!error)
+                ahd->init_level++;
+        return error;
 }
 
 /*
diff --git a/drivers/scsi/aic7xxx/aic79xx_proc.c b/drivers/scsi/aic7xxx/aic79xx_proc.c
index e01cd6175e34..39a27840fce6 100644
--- a/drivers/scsi/aic7xxx/aic79xx_proc.c
+++ b/drivers/scsi/aic7xxx/aic79xx_proc.c
@@ -49,10 +49,53 @@ static void	ahd_dump_target_state(struct ahd_softc *ahd,
                                       u_int our_id, char channel,
                                       u_int target_id, u_int target_offset);
 static void     ahd_dump_device_state(struct info_str *info,
-                                      struct ahd_linux_device *dev);
+                                      struct scsi_device *sdev);
 static int      ahd_proc_write_seeprom(struct ahd_softc *ahd,
                                        char *buffer, int length);
 
+/*
+ * Table of syncrates that don't follow the "divisible by 4"
+ * rule. This table will be expanded in future SCSI specs.
+ */
+static struct {
+        u_int period_factor;
+        u_int period;   /* in 100ths of ns */
+} scsi_syncrates[] = {
+        { 0x08, 625 },  /* FAST-160 */
+        { 0x09, 1250 }, /* FAST-80 */
+        { 0x0a, 2500 }, /* FAST-40 40MHz */
+        { 0x0b, 3030 }, /* FAST-40 33MHz */
+        { 0x0c, 5000 }  /* FAST-20 */
+};
+
+/*
+ * Return the frequency in kHz corresponding to the given
+ * sync period factor.
+ */
+static u_int
+ahd_calc_syncsrate(u_int period_factor)
+{
+        int i;
+        int num_syncrates;
+
+        num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]);
+        /* See if the period is in the "exception" table */
+        for (i = 0; i < num_syncrates; i++) {
+
+                if (period_factor == scsi_syncrates[i].period_factor) {
+                        /* Period in kHz */
+                        return (100000000 / scsi_syncrates[i].period);
+                }
+        }
+
+        /*
+         * Wasn't in the table, so use the standard
+         * 4 times conversion.
+         */
+        return (10000000 / (period_factor * 4 * 10));
+}
+
+
 static void
 copy_mem_info(struct info_str *info, char *data, int len)
 {
@@ -109,7 +152,7 @@ ahd_format_transinfo(struct info_str *info, struct ahd_transinfo *tinfo)
         speed = 3300;
         freq = 0;
         if (tinfo->offset != 0) {
-                freq = aic_calc_syncsrate(tinfo->period);
+                freq = ahd_calc_syncsrate(tinfo->period);
                 speed = freq;
         }
         speed *= (0x01 << tinfo->width);
@@ -167,6 +210,7 @@ ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
                       u_int target_offset)
 {
         struct  ahd_linux_target *targ;
+        struct  scsi_target *starget;
         struct  ahd_initiator_tinfo *tinfo;
         struct  ahd_tmode_tstate *tstate;
         int     lun;
@@ -176,20 +220,20 @@ ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
         copy_info(info, "Target %d Negotiation Settings\n", target_id);
         copy_info(info, "\tUser: ");
         ahd_format_transinfo(info, &tinfo->user);
-        targ = ahd->platform_data->targets[target_offset];
-        if (targ == NULL)
+        starget = ahd->platform_data->starget[target_offset];
+        if (starget == NULL)
                 return;
+        targ = scsi_transport_target_data(starget);
 
         copy_info(info, "\tGoal: ");
         ahd_format_transinfo(info, &tinfo->goal);
         copy_info(info, "\tCurr: ");
         ahd_format_transinfo(info, &tinfo->curr);
-        copy_info(info, "\tTransmission Errors %ld\n", targ->errors_detected);
 
         for (lun = 0; lun < AHD_NUM_LUNS; lun++) {
-                struct ahd_linux_device *dev;
+                struct scsi_device *dev;
 
-                dev = targ->devices[lun];
+                dev = targ->sdev[lun];
 
                 if (dev == NULL)
                         continue;
@@ -199,10 +243,13 @@ ahd_dump_target_state(struct ahd_softc *ahd, struct info_str *info,
 }
 
 static void
-ahd_dump_device_state(struct info_str *info, struct ahd_linux_device *dev)
+ahd_dump_device_state(struct info_str *info, struct scsi_device *sdev)
 {
+        struct ahd_linux_device *dev = scsi_transport_device_data(sdev);
+
         copy_info(info, "\tChannel %c Target %d Lun %d Settings\n",
-                  dev->target->channel + 'A', dev->target->target, dev->lun);
+                  sdev->sdev_target->channel + 'A',
+                  sdev->sdev_target->id, sdev->lun);
 
         copy_info(info, "\t\tCommands Queued %ld\n", dev->commands_issued);
         copy_info(info, "\t\tCommands Active %d\n", dev->active);
@@ -278,36 +325,16 @@ done:
  * Return information to handle /proc support for the driver.
  */
 int
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-ahd_linux_proc_info(char *buffer, char **start, off_t offset,
-                    int length, int hostno, int inout)
-#else
 ahd_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
                     off_t offset, int length, int inout)
-#endif
 {
-        struct  ahd_softc *ahd;
+        struct  ahd_softc *ahd = *(struct ahd_softc **)shost->hostdata;
         struct  info_str info;
         char    ahd_info[256];
-        u_long  l;
         u_int   max_targ;
         u_int   i;
         int     retval;
 
-        retval = -EINVAL;
-        ahd_list_lock(&l);
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-        TAILQ_FOREACH(ahd, &ahd_tailq, links) {
-                if (ahd->platform_data->host->host_no == hostno)
-                        break;
-        }
-#else
-        ahd = ahd_find_softc(*(struct ahd_softc **)shost->hostdata);
-#endif
-
-        if (ahd == NULL)
-                goto done;
-
          /* Has data been written to the file? */ 
         if (inout == TRUE) {
                 retval = ahd_proc_write_seeprom(ahd, buffer, length);
@@ -357,6 +384,5 @@ ahd_linux_proc_info(struct Scsi_Host *shost, char *buffer, char **start,
         }
         retval = info.pos > info.offset ? info.pos - info.offset : 0;
 done:
-        ahd_list_unlock(&l);
         return (retval);
 }
diff --git a/drivers/scsi/aic7xxx/aic7xxx.h b/drivers/scsi/aic7xxx/aic7xxx.h
index 088cbc23743d..91d294c6334e 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.h
+++ b/drivers/scsi/aic7xxx/aic7xxx.h
@@ -37,7 +37,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#79 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.h#85 $
  *
  * $FreeBSD$
  */
@@ -243,7 +243,7 @@ typedef enum {
          */
         AHC_AIC7850_FE  = AHC_SPIOCAP|AHC_AUTOPAUSE|AHC_TARGETMODE|AHC_ULTRA,
         AHC_AIC7860_FE  = AHC_AIC7850_FE,
-        AHC_AIC7870_FE  = AHC_TARGETMODE,
+        AHC_AIC7870_FE  = AHC_TARGETMODE|AHC_AUTOPAUSE,
         AHC_AIC7880_FE  = AHC_AIC7870_FE|AHC_ULTRA,
         /*
          * Although we have space for both the initiator and
diff --git a/drivers/scsi/aic7xxx/aic7xxx.reg b/drivers/scsi/aic7xxx/aic7xxx.reg
index 810ec700d9fc..e196d83b93c7 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.reg
+++ b/drivers/scsi/aic7xxx/aic7xxx.reg
@@ -39,7 +39,7 @@
  *
  * $FreeBSD$
  */
-VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#39 $"
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#40 $"
 
 /*
  * This file is processed by the aic7xxx_asm utility for use in assembling
@@ -1306,7 +1306,6 @@ scratch_ram {
          */
         MWI_RESIDUAL {
                 size            1
-                alias   TARG_IMMEDIATE_SCB
         }
         /*
          * SCBID of the next SCB to be started by the controller.
@@ -1461,6 +1460,7 @@ scratch_ram {
          */
         LAST_MSG {
                 size            1
+                alias   TARG_IMMEDIATE_SCB
         }
 
         /*
diff --git a/drivers/scsi/aic7xxx/aic7xxx.seq b/drivers/scsi/aic7xxx/aic7xxx.seq
index d84b741fbab5..15196390e28d 100644
--- a/drivers/scsi/aic7xxx/aic7xxx.seq
+++ b/drivers/scsi/aic7xxx/aic7xxx.seq
@@ -40,7 +40,7 @@
  * $FreeBSD$
  */
 
-VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#56 $"
+VERSION = "$Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#58 $"
 PATCH_ARG_LIST = "struct ahc_softc *ahc"
 PREFIX = "ahc_"
 
@@ -679,6 +679,7 @@ await_busfree:
                 clr     SCSIBUSL;       /* Prevent bit leakage durint SELTO */
         }
         and     SXFRCTL0, ~SPIOEN;
+        mvi     SEQ_FLAGS, NOT_IDENTIFIED|NO_CDB_SENT;
         test    SSTAT1,REQINIT|BUSFREE  jz .;
         test    SSTAT1, BUSFREE jnz poll_for_work;
         mvi     MISSED_BUSFREE call set_seqint;
@@ -1097,7 +1098,7 @@ ultra2_dmahalt:
                 test    SCB_RESIDUAL_DATACNT[3], SG_LAST_SEG jz dma_mid_sg;
                 if ((ahc->flags & AHC_TARGETROLE) != 0) {
                         test    SSTAT0, TARGET jz dma_last_sg;
-                        if ((ahc->flags & AHC_TMODE_WIDEODD_BUG) != 0) {
+                        if ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0) {
                                 test    DMAPARAMS, DIRECTION jz dma_mid_sg;
                         }
                 }
diff --git a/drivers/scsi/aic7xxx/aic7xxx_93cx6.c b/drivers/scsi/aic7xxx/aic7xxx_93cx6.c
index 468d612a44f6..3cb07e114e89 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_93cx6.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_93cx6.c
@@ -28,9 +28,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.c#17 $
- *
- * $FreeBSD$
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_93cx6.c#19 $
  */
 
 /*
@@ -64,7 +62,6 @@
  *   is preceded by an initial zero (leading 0, followed by 16-bits, MSB
  *   first).  The clock cycling from low to high initiates the next data
  *   bit to be sent from the chip.
- *
  */
 
 #ifdef __linux__
@@ -81,14 +78,22 @@
  * Right now, we only have to read the SEEPROM.  But we make it easier to
  * add other 93Cx6 functions.
  */
-static struct seeprom_cmd {
+struct seeprom_cmd {
         uint8_t len;
-        uint8_t bits[9];
-} seeprom_read = {3, {1, 1, 0}};
+        uint8_t bits[11];
+};
 
+/* Short opcodes for the c46 */
 static struct seeprom_cmd seeprom_ewen = {9, {1, 0, 0, 1, 1, 0, 0, 0, 0}};
 static struct seeprom_cmd seeprom_ewds = {9, {1, 0, 0, 0, 0, 0, 0, 0, 0}};
+
+/* Long opcodes for the C56/C66 */
+static struct seeprom_cmd seeprom_long_ewen = {11, {1, 0, 0, 1, 1, 0, 0, 0, 0}};
+static struct seeprom_cmd seeprom_long_ewds = {11, {1, 0, 0, 0, 0, 0, 0, 0, 0}};
+
+/* Common opcodes */
 static struct seeprom_cmd seeprom_write = {3, {1, 0, 1}};
+static struct seeprom_cmd seeprom_read  = {3, {1, 1, 0}};
 
 /*
  * Wait for the SEERDY to go high; about 800 ns.
@@ -222,12 +227,25 @@ int
 ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
                   u_int start_addr, u_int count)
 {
+        struct seeprom_cmd *ewen, *ewds;
         uint16_t v;
         uint8_t temp;
         int i, k;
 
         /* Place the chip into write-enable mode */
-        send_seeprom_cmd(sd, &seeprom_ewen);
+        if (sd->sd_chip == C46) {
+                ewen = &seeprom_ewen;
+                ewds = &seeprom_ewds;
+        } else if (sd->sd_chip == C56_66) {
+                ewen = &seeprom_long_ewen;
+                ewds = &seeprom_long_ewds;
+        } else {
+                printf("ahc_write_seeprom: unsupported seeprom type %d\n",
+                       sd->sd_chip);
+                return (0);
+        }
+
+        send_seeprom_cmd(sd, ewen);
         reset_seeprom(sd);
 
         /* Write all requested data out to the seeprom. */
@@ -277,7 +295,7 @@ ahc_write_seeprom(struct seeprom_descriptor *sd, uint16_t *buf,
         }
 
         /* Put the chip back into write-protect mode */
-        send_seeprom_cmd(sd, &seeprom_ewds);
+        send_seeprom_cmd(sd, ewds);
         reset_seeprom(sd);
 
         return (1);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_core.c b/drivers/scsi/aic7xxx/aic7xxx_core.c
index 7bc01e41bcce..58ac46103eb6 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_core.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_core.c
@@ -37,9 +37,7 @@
  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  * POSSIBILITY OF SUCH DAMAGES.
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.c#134 $
- *
- * $FreeBSD$
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.c#155 $
  */
 
 #ifdef __linux__
@@ -287,10 +285,19 @@ ahc_restart(struct ahc_softc *ahc)
                 ahc_outb(ahc, SEQ_FLAGS2,
                          ahc_inb(ahc, SEQ_FLAGS2) & ~SCB_DMA);
         }
+
+        /*
+         * Clear any pending sequencer interrupt.  It is no
+         * longer relevant since we're resetting the Program
+         * Counter.
+         */
+        ahc_outb(ahc, CLRINT, CLRSEQINT);
+
         ahc_outb(ahc, MWI_RESIDUAL, 0);
         ahc_outb(ahc, SEQCTL, ahc->seqctl);
         ahc_outb(ahc, SEQADDR0, 0);
         ahc_outb(ahc, SEQADDR1, 0);
+
         ahc_unpause(ahc);
 }
 
@@ -1174,19 +1181,20 @@ ahc_handle_scsiint(struct ahc_softc *ahc, u_int intstat)
                                        scb_index);
                         }
 #endif
-                        /*
-                         * Force a renegotiation with this target just in
-                         * case the cable was pulled and will later be
-                         * re-attached.  The target may forget its negotiation
-                         * settings with us should it attempt to reselect
-                         * during the interruption.  The target will not issue
-                         * a unit attention in this case, so we must always
-                         * renegotiate.
-                         */
                         ahc_scb_devinfo(ahc, &devinfo, scb);
-                        ahc_force_renegotiation(ahc, &devinfo);
                         ahc_set_transaction_status(scb, CAM_SEL_TIMEOUT);
                         ahc_freeze_devq(ahc, scb);
+
+                        /*
+                         * Cancel any pending transactions on the device
+                         * now that it seems to be missing.  This will
+                         * also revert us to async/narrow transfers until
+                         * we can renegotiate with the device.
+                         */
+                        ahc_handle_devreset(ahc, &devinfo,
+                                            CAM_SEL_TIMEOUT,
+                                            "Selection Timeout",
+                                            /*verbose_level*/1);
                 }
                 ahc_outb(ahc, CLRINT, CLRSCSIINT);
                 ahc_restart(ahc);
@@ -3763,8 +3771,9 @@ ahc_handle_devreset(struct ahc_softc *ahc, struct ahc_devinfo *devinfo,
                          /*period*/0, /*offset*/0, /*ppr_options*/0,
                          AHC_TRANS_CUR, /*paused*/TRUE);
         
-        ahc_send_async(ahc, devinfo->channel, devinfo->target,
-                       CAM_LUN_WILDCARD, AC_SENT_BDR, NULL);
+        if (status != CAM_SEL_TIMEOUT)
+                ahc_send_async(ahc, devinfo->channel, devinfo->target,
+                               CAM_LUN_WILDCARD, AC_SENT_BDR, NULL);
 
         if (message != NULL
          && (verbose_level <= bootverbose))
@@ -4003,14 +4012,6 @@ ahc_reset(struct ahc_softc *ahc, int reinit)
          * to disturb the integrity of the bus.
          */
         ahc_pause(ahc);
-        if ((ahc_inb(ahc, HCNTRL) & CHIPRST) != 0) {
-                /*
-                 * The chip has not been initialized since
-                 * PCI/EISA/VLB bus reset.  Don't trust
-                 * "left over BIOS data".
-                 */
-                ahc->flags |= AHC_NO_BIOS_INIT;
-        }
         sxfrctl1_b = 0;
         if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7770) {
                 u_int sblkctl;
@@ -5036,14 +5037,23 @@ ahc_pause_and_flushwork(struct ahc_softc *ahc)
         ahc->flags |= AHC_ALL_INTERRUPTS;
         paused = FALSE;
         do {
-                if (paused)
+                if (paused) {
                         ahc_unpause(ahc);
+                        /*
+                         * Give the sequencer some time to service
+                         * any active selections.
+                         */
+                        ahc_delay(500);
+                }
                 ahc_intr(ahc);
                 ahc_pause(ahc);
                 paused = TRUE;
                 ahc_outb(ahc, SCSISEQ, ahc_inb(ahc, SCSISEQ) & ~ENSELO);
-                ahc_clear_critical_section(ahc);
                 intstat = ahc_inb(ahc, INTSTAT);
+                if ((intstat & INT_PEND) == 0) {
+                        ahc_clear_critical_section(ahc);
+                        intstat = ahc_inb(ahc, INTSTAT);
+                }
         } while (--maxloops
               && (intstat != 0xFF || (ahc->features & AHC_REMOVABLE) == 0)
               && ((intstat & INT_PEND) != 0
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.c b/drivers/scsi/aic7xxx/aic7xxx_osm.c
index 687f19e9cf03..c932b3b94490 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.c
@@ -125,12 +125,6 @@
 
 static struct scsi_transport_template *ahc_linux_transport_template = NULL;
 
-/*
- * Include aiclib.c as part of our
- * "module dependencies are hard" work around.
- */
-#include "aiclib.c"
-
 #include <linux/init.h>         /* __setup */
 #include <linux/mm.h>           /* For fetching system memory size */
 #include <linux/blkdev.h>               /* For block_size() */
@@ -391,7 +385,6 @@ static int ahc_linux_run_command(struct ahc_softc*,
                                  struct ahc_linux_device *,
                                  struct scsi_cmnd *);
 static void ahc_linux_setup_tag_info_global(char *p);
-static aic_option_callback_t ahc_linux_setup_tag_info;
 static int  aic7xxx_setup(char *s);
 
 static int ahc_linux_unit;
@@ -635,6 +628,8 @@ ahc_linux_slave_alloc(struct scsi_device *sdev)
         
         targ->sdev[sdev->lun] = sdev;
 
+        spi_period(starget) = 0;
+
         return 0;
 }
 
@@ -918,6 +913,86 @@ ahc_linux_setup_tag_info(u_long arg, int instance, int targ, int32_t value)
         }
 }
 
+static char *
+ahc_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
+                       void (*callback)(u_long, int, int, int32_t),
+                       u_long callback_arg)
+{
+        char    *tok_end;
+        char    *tok_end2;
+        int      i;
+        int      instance;
+        int      targ;
+        int      done;
+        char     tok_list[] = {'.', ',', '{', '}', '\0'};
+
+        /* All options use a ':' name/arg separator */
+        if (*opt_arg != ':')
+                return (opt_arg);
+        opt_arg++;
+        instance = -1;
+        targ = -1;
+        done = FALSE;
+        /*
+         * Restore separator that may be in
+         * the middle of our option argument.
+         */
+        tok_end = strchr(opt_arg, '\0');
+        if (tok_end < end)
+                *tok_end = ',';
+        while (!done) {
+                switch (*opt_arg) {
+                case '{':
+                        if (instance == -1) {
+                                instance = 0;
+                        } else {
+                                if (depth > 1) {
+                                        if (targ == -1)
+                                                targ = 0;
+                                } else {
+                                        printf("Malformed Option %s\n",
+                                               opt_name);
+                                        done = TRUE;
+                                }
+                        }
+                        opt_arg++;
+                        break;
+                case '}':
+                        if (targ != -1)
+                                targ = -1;
+                        else if (instance != -1)
+                                instance = -1;
+                        opt_arg++;
+                        break;
+                case ',':
+                case '.':
+                        if (instance == -1)
+                                done = TRUE;
+                        else if (targ >= 0)
+                                targ++;
+                        else if (instance >= 0)
+                                instance++;
+                        opt_arg++;
+                        break;
+                case '\0':
+                        done = TRUE;
+                        break;
+                default:
+                        tok_end = end;
+                        for (i = 0; tok_list[i]; i++) {
+                                tok_end2 = strchr(opt_arg, tok_list[i]);
+                                if ((tok_end2) && (tok_end2 < tok_end))
+                                        tok_end = tok_end2;
+                        }
+                        callback(callback_arg, instance, targ,
+                                 simple_strtol(opt_arg, NULL, 0));
+                        opt_arg = tok_end;
+                        break;
+                }
+        }
+        return (opt_arg);
+}
+
 /*
  * Handle Linux boot parameters. This routine allows for assigning a value
  * to a parameter with a ':' between the parameter and the value.
@@ -972,7 +1047,7 @@ aic7xxx_setup(char *s)
                 if (strncmp(p, "global_tag_depth", n) == 0) {
                         ahc_linux_setup_tag_info_global(p + n);
                 } else if (strncmp(p, "tag_info", n) == 0) {
-                        s = aic_parse_brace_option("tag_info", p + n, end,
+                        s = ahc_parse_brace_option("tag_info", p + n, end,
                             2, ahc_linux_setup_tag_info, 0);
                 } else if (p[n] == ':') {
                         *(options[i].flag) = simple_strtoul(p + n + 1, NULL, 0);
@@ -1612,9 +1687,9 @@ ahc_send_async(struct ahc_softc *ahc, char channel,
                 if (channel == 'B')
                         target_offset += 8;
                 starget = ahc->platform_data->starget[target_offset];
-                targ = scsi_transport_target_data(starget);
-                if (targ == NULL)
+                if (starget == NULL)
                         break;
+                targ = scsi_transport_target_data(starget);
 
                 target_ppr_options =
                         (spi_dt(starget) ? MSG_EXT_PPR_DT_REQ : 0)
@@ -2329,8 +2404,6 @@ ahc_platform_dump_card_state(struct ahc_softc *ahc)
 {
 }
 
-static void ahc_linux_exit(void);
-
 static void ahc_linux_set_width(struct scsi_target *starget, int width)
 {
         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm.h b/drivers/scsi/aic7xxx/aic7xxx_osm.h
index 0e47ac217549..c52996269240 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm.h
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm.h
@@ -265,7 +265,7 @@ ahc_scb_timer_reset(struct scb *scb, u_int usec)
 /***************************** SMP support ************************************/
 #include <linux/spinlock.h>
 
-#define AIC7XXX_DRIVER_VERSION "6.2.36"
+#define AIC7XXX_DRIVER_VERSION "7.0"
 
 /*************************** Device Data Structures ***************************/
 /*
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index 9d318ce2c993..0d44a6907dd2 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -149,6 +149,27 @@ ahc_linux_pci_dev_remove(struct pci_dev *pdev)
         ahc_free(ahc);
 }
 
+static void
+ahc_linux_pci_inherit_flags(struct ahc_softc *ahc)
+{
+        struct pci_dev *pdev = ahc->dev_softc, *master_pdev;
+        unsigned int master_devfn = PCI_DEVFN(PCI_SLOT(pdev->devfn), 0);
+
+        master_pdev = pci_get_slot(pdev->bus, master_devfn);
+        if (master_pdev) {
+                struct ahc_softc *master = pci_get_drvdata(master_pdev);
+                if (master) {
+                        ahc->flags &= ~AHC_BIOS_ENABLED; 
+                        ahc->flags |= master->flags & AHC_BIOS_ENABLED;
+
+                        ahc->flags &= ~AHC_PRIMARY_CHANNEL; 
+                        ahc->flags |= master->flags & AHC_PRIMARY_CHANNEL;
+                } else
+                        printk(KERN_ERR "aic7xxx: no multichannel peer found!\n");
+                pci_dev_put(master_pdev);
+        } 
+}
+
 static int
 ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 {
@@ -203,6 +224,14 @@ ahc_linux_pci_dev_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                 ahc_free(ahc);
                 return (-error);
         }
+
+        /*
+         * Second Function PCI devices need to inherit some
+         * settings from function 0.
+         */
+        if ((ahc->features & AHC_MULTI_FUNC) && PCI_FUNC(pdev->devfn) != 0)
+                ahc_linux_pci_inherit_flags(ahc);
+
         pci_set_drvdata(pdev, ahc);
         ahc_linux_register_host(ahc, &aic7xxx_driver_template);
         return (0);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_proc.c b/drivers/scsi/aic7xxx/aic7xxx_proc.c
index 3802c91f0b07..04a3506cf340 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_proc.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_proc.c
@@ -54,6 +54,49 @@ static void	ahc_dump_device_state(struct info_str *info,
 static int      ahc_proc_write_seeprom(struct ahc_softc *ahc,
                                        char *buffer, int length);
 
+/*
+ * Table of syncrates that don't follow the "divisible by 4"
+ * rule. This table will be expanded in future SCSI specs.
+ */
+static struct {
+        u_int period_factor;
+        u_int period;   /* in 100ths of ns */
+} scsi_syncrates[] = {
+        { 0x08, 625 },  /* FAST-160 */
+        { 0x09, 1250 }, /* FAST-80 */
+        { 0x0a, 2500 }, /* FAST-40 40MHz */
+        { 0x0b, 3030 }, /* FAST-40 33MHz */
+        { 0x0c, 5000 }  /* FAST-20 */
+};
+
+/*
+ * Return the frequency in kHz corresponding to the given
+ * sync period factor.
+ */
+static u_int
+ahc_calc_syncsrate(u_int period_factor)
+{
+        int i;
+        int num_syncrates;
+
+        num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]);
+        /* See if the period is in the "exception" table */
+        for (i = 0; i < num_syncrates; i++) {
+
+                if (period_factor == scsi_syncrates[i].period_factor) {
+                        /* Period in kHz */
+                        return (100000000 / scsi_syncrates[i].period);
+                }
+        }
+
+        /*
+         * Wasn't in the table, so use the standard
+         * 4 times conversion.
+         */
+        return (10000000 / (period_factor * 4 * 10));
+}
+
+
 static void
 copy_mem_info(struct info_str *info, char *data, int len)
 {
@@ -106,7 +149,7 @@ ahc_format_transinfo(struct info_str *info, struct ahc_transinfo *tinfo)
         speed = 3300;
         freq = 0;
         if (tinfo->offset != 0) {
-                freq = aic_calc_syncsrate(tinfo->period);
+                freq = ahc_calc_syncsrate(tinfo->period);
                 speed = freq;
         }
         speed *= (0x01 << tinfo->width);
diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
index 7c1390ed1179..2ce1febca207 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_reg.h_shipped
@@ -2,8 +2,8 @@
  * DO NOT EDIT - This file is automatically generated
  *               from the following source files:
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#56 $
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#39 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#58 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#40 $
  */
 typedef int (ahc_reg_print_t)(u_int, u_int *, u_int);
 typedef struct ahc_reg_parse_entry {
@@ -1298,7 +1298,6 @@ ahc_reg_print_t ahc_sg_cache_pre_print;
 #define CMDSIZE_TABLE_TAIL              0x34
 
 #define MWI_RESIDUAL                    0x38
-#define TARG_IMMEDIATE_SCB              0x38
 
 #define NEXT_QUEUED_SCB                 0x39
 
@@ -1380,6 +1379,7 @@ ahc_reg_print_t ahc_sg_cache_pre_print;
 #define RETURN_2                        0x52
 
 #define LAST_MSG                        0x53
+#define TARG_IMMEDIATE_SCB              0x53
 
 #define SCSISEQ_TEMPLATE                0x54
 #define         ENSELO                  0x40
diff --git a/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped b/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
index 9c713775d44a..88bfd767c51c 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_reg_print.c_shipped
@@ -2,8 +2,8 @@
  * DO NOT EDIT - This file is automatically generated
  *               from the following source files:
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#56 $
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#39 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#58 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#40 $
  */
 
 #include "aic7xxx_osm.h"
diff --git a/drivers/scsi/aic7xxx/aic7xxx_seq.h_shipped b/drivers/scsi/aic7xxx/aic7xxx_seq.h_shipped
index cf411368a871..4cee08521e75 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_seq.h_shipped
+++ b/drivers/scsi/aic7xxx/aic7xxx_seq.h_shipped
@@ -2,13 +2,13 @@
  * DO NOT EDIT - This file is automatically generated
  *               from the following source files:
  *
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#56 $
- * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#39 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.seq#58 $
+ * $Id: //depot/aic7xxx/aic7xxx/aic7xxx.reg#40 $
  */
 static uint8_t seqprog[] = {
         0xb2, 0x00, 0x00, 0x08,
         0xf7, 0x11, 0x22, 0x08,
-        0x00, 0x65, 0xec, 0x59,
+        0x00, 0x65, 0xee, 0x59,
         0xf7, 0x01, 0x02, 0x08,
         0xff, 0x6a, 0x24, 0x08,
         0x40, 0x00, 0x40, 0x68,
@@ -21,15 +21,15 @@ static uint8_t seqprog[] = {
         0x01, 0x4d, 0xc8, 0x30,
         0x00, 0x4c, 0x12, 0x70,
         0x01, 0x39, 0xa2, 0x30,
-        0x00, 0x6a, 0xc0, 0x5e,
+        0x00, 0x6a, 0xc2, 0x5e,
         0x01, 0x51, 0x20, 0x31,
         0x01, 0x57, 0xae, 0x00,
         0x0d, 0x6a, 0x76, 0x00,
-        0x00, 0x51, 0x12, 0x5e,
+        0x00, 0x51, 0x14, 0x5e,
         0x01, 0x51, 0xc8, 0x30,
         0x00, 0x39, 0xc8, 0x60,
         0x00, 0xbb, 0x30, 0x70,
-        0xc1, 0x6a, 0xd8, 0x5e,
+        0xc1, 0x6a, 0xda, 0x5e,
         0x01, 0xbf, 0x72, 0x30,
         0x01, 0x40, 0x7e, 0x31,
         0x01, 0x90, 0x80, 0x30,
@@ -49,10 +49,10 @@ static uint8_t seqprog[] = {
         0x08, 0x6a, 0x78, 0x00,
         0x01, 0x50, 0xc8, 0x30,
         0xe0, 0x6a, 0xcc, 0x00,
-        0x48, 0x6a, 0xfc, 0x5d,
+        0x48, 0x6a, 0xfe, 0x5d,
         0x01, 0x6a, 0xdc, 0x01,
         0x88, 0x6a, 0xcc, 0x00,
-        0x48, 0x6a, 0xfc, 0x5d,
+        0x48, 0x6a, 0xfe, 0x5d,
         0x01, 0x6a, 0x26, 0x01,
         0xf0, 0x19, 0x7a, 0x08,
         0x0f, 0x18, 0xc8, 0x08,
@@ -93,7 +93,7 @@ static uint8_t seqprog[] = {
         0x00, 0x65, 0x20, 0x41,
         0x02, 0x57, 0xae, 0x00,
         0x00, 0x65, 0x9e, 0x40,
-        0x61, 0x6a, 0xd8, 0x5e,
+        0x61, 0x6a, 0xda, 0x5e,
         0x08, 0x51, 0x20, 0x71,
         0x02, 0x0b, 0xb2, 0x78,
         0x00, 0x65, 0xae, 0x40,
@@ -106,7 +106,7 @@ static uint8_t seqprog[] = {
         0x80, 0x3d, 0x7a, 0x00,
         0x20, 0x6a, 0x16, 0x00,
         0x00, 0x65, 0xcc, 0x41,
-        0x00, 0x65, 0xb2, 0x5e,
+        0x00, 0x65, 0xb4, 0x5e,
         0x00, 0x65, 0x12, 0x40,
         0x20, 0x11, 0xd2, 0x68,
         0x20, 0x6a, 0x18, 0x00,
@@ -140,27 +140,27 @@ static uint8_t seqprog[] = {
         0x80, 0x0b, 0xc4, 0x79,
         0x12, 0x01, 0x02, 0x00,
         0x01, 0xab, 0xac, 0x30,
-        0xe4, 0x6a, 0x6e, 0x5d,
+        0xe4, 0x6a, 0x70, 0x5d,
         0x40, 0x6a, 0x16, 0x00,
-        0x80, 0x3e, 0x84, 0x5d,
+        0x80, 0x3e, 0x86, 0x5d,
         0x20, 0xb8, 0x18, 0x79,
-        0x20, 0x6a, 0x84, 0x5d,
-        0x00, 0xab, 0x84, 0x5d,
+        0x20, 0x6a, 0x86, 0x5d,
+        0x00, 0xab, 0x86, 0x5d,
         0x01, 0xa9, 0x78, 0x30,
         0x10, 0xb8, 0x20, 0x79,
-        0xe4, 0x6a, 0x6e, 0x5d,
+        0xe4, 0x6a, 0x70, 0x5d,
         0x00, 0x65, 0xae, 0x40,
         0x10, 0x03, 0x3c, 0x69,
         0x08, 0x3c, 0x5a, 0x69,
         0x04, 0x3c, 0x92, 0x69,
         0x02, 0x3c, 0x98, 0x69,
         0x01, 0x3c, 0x44, 0x79,
-        0xff, 0x6a, 0x70, 0x00,
+        0xff, 0x6a, 0xa6, 0x00,
         0x00, 0x65, 0xa4, 0x59,
-        0x00, 0x6a, 0xc0, 0x5e,
-        0xff, 0x38, 0x30, 0x71,
+        0x00, 0x6a, 0xc2, 0x5e,
+        0xff, 0x53, 0x30, 0x71,
         0x0d, 0x6a, 0x76, 0x00,
-        0x00, 0x38, 0x12, 0x5e,
+        0x00, 0x53, 0x14, 0x5e,
         0x00, 0x65, 0xea, 0x58,
         0x12, 0x01, 0x02, 0x00,
         0x00, 0x65, 0x18, 0x41,
@@ -168,10 +168,10 @@ static uint8_t seqprog[] = {
         0x00, 0x65, 0xf2, 0x58,
         0xfd, 0x57, 0xae, 0x08,
         0x00, 0x65, 0xae, 0x40,
-        0xe4, 0x6a, 0x6e, 0x5d,
+        0xe4, 0x6a, 0x70, 0x5d,
         0x20, 0x3c, 0x4a, 0x79,
-        0x02, 0x6a, 0x84, 0x5d,
-        0x04, 0x6a, 0x84, 0x5d,
+        0x02, 0x6a, 0x86, 0x5d,
+        0x04, 0x6a, 0x86, 0x5d,
         0x01, 0x03, 0x4c, 0x69,
         0xf7, 0x11, 0x22, 0x08,
         0xff, 0x6a, 0x24, 0x08,
@@ -182,13 +182,13 @@ static uint8_t seqprog[] = {
         0x80, 0x86, 0xc8, 0x08,
         0x01, 0x4f, 0xc8, 0x30,
         0x00, 0x50, 0x6c, 0x61,
-        0xc4, 0x6a, 0x6e, 0x5d,
+        0xc4, 0x6a, 0x70, 0x5d,
         0x40, 0x3c, 0x68, 0x79,
-        0x28, 0x6a, 0x84, 0x5d,
+        0x28, 0x6a, 0x86, 0x5d,
         0x00, 0x65, 0x4c, 0x41,
-        0x08, 0x6a, 0x84, 0x5d,
+        0x08, 0x6a, 0x86, 0x5d,
         0x00, 0x65, 0x4c, 0x41,
-        0x84, 0x6a, 0x6e, 0x5d,
+        0x84, 0x6a, 0x70, 0x5d,
         0x00, 0x65, 0xf2, 0x58,
         0x01, 0x66, 0xc8, 0x30,
         0x01, 0x64, 0xd8, 0x31,
@@ -208,16 +208,16 @@ static uint8_t seqprog[] = {
         0xf7, 0x3c, 0x78, 0x08,
         0x00, 0x65, 0x20, 0x41,
         0x40, 0xaa, 0x7e, 0x10,
-        0x04, 0xaa, 0x6e, 0x5d,
-        0x00, 0x65, 0x56, 0x42,
-        0xc4, 0x6a, 0x6e, 0x5d,
+        0x04, 0xaa, 0x70, 0x5d,
+        0x00, 0x65, 0x58, 0x42,
+        0xc4, 0x6a, 0x70, 0x5d,
         0xc0, 0x6a, 0x7e, 0x00,
-        0x00, 0xa8, 0x84, 0x5d,
+        0x00, 0xa8, 0x86, 0x5d,
         0xe4, 0x6a, 0x06, 0x00,
-        0x00, 0x6a, 0x84, 0x5d,
+        0x00, 0x6a, 0x86, 0x5d,
         0x00, 0x65, 0x4c, 0x41,
         0x10, 0x3c, 0xa8, 0x69,
-        0x00, 0xbb, 0x8a, 0x44,
+        0x00, 0xbb, 0x8c, 0x44,
         0x18, 0x6a, 0xda, 0x01,
         0x01, 0x69, 0xd8, 0x31,
         0x1c, 0x6a, 0xd0, 0x01,
@@ -227,31 +227,32 @@ static uint8_t seqprog[] = {
         0x01, 0x93, 0x26, 0x01,
         0x03, 0x6a, 0x2a, 0x01,
         0x01, 0x69, 0x32, 0x31,
-        0x1c, 0x6a, 0xe0, 0x5d,
+        0x1c, 0x6a, 0xe2, 0x5d,
         0x0a, 0x93, 0x26, 0x01,
-        0x00, 0x65, 0xa8, 0x5e,
+        0x00, 0x65, 0xaa, 0x5e,
         0x01, 0x50, 0xa0, 0x18,
         0x02, 0x6a, 0x22, 0x05,
         0x1a, 0x01, 0x02, 0x00,
         0x80, 0x6a, 0x74, 0x00,
         0x40, 0x6a, 0x78, 0x00,
         0x40, 0x6a, 0x16, 0x00,
-        0x00, 0x65, 0xd8, 0x5d,
+        0x00, 0x65, 0xda, 0x5d,
         0x01, 0x3f, 0xc8, 0x30,
-        0xbf, 0x64, 0x56, 0x7a,
-        0x80, 0x64, 0x9e, 0x73,
-        0xa0, 0x64, 0x00, 0x74,
-        0xc0, 0x64, 0xf4, 0x73,
-        0xe0, 0x64, 0x30, 0x74,
-        0x01, 0x6a, 0xd8, 0x5e,
+        0xbf, 0x64, 0x58, 0x7a,
+        0x80, 0x64, 0xa0, 0x73,
+        0xa0, 0x64, 0x02, 0x74,
+        0xc0, 0x64, 0xf6, 0x73,
+        0xe0, 0x64, 0x32, 0x74,
+        0x01, 0x6a, 0xda, 0x5e,
         0x00, 0x65, 0xcc, 0x41,
         0xf7, 0x11, 0x22, 0x08,
         0x01, 0x06, 0xd4, 0x30,
         0xff, 0x6a, 0x24, 0x08,
         0xf7, 0x01, 0x02, 0x08,
-        0x09, 0x0c, 0xe6, 0x79,
+        0xc0, 0x6a, 0x78, 0x00,
+        0x09, 0x0c, 0xe8, 0x79,
         0x08, 0x0c, 0x04, 0x68,
-        0xb1, 0x6a, 0xd8, 0x5e,
+        0xb1, 0x6a, 0xda, 0x5e,
         0xff, 0x6a, 0x26, 0x09,
         0x12, 0x01, 0x02, 0x00,
         0x02, 0x6a, 0x08, 0x30,
@@ -264,29 +265,29 @@ static uint8_t seqprog[] = {
         0x00, 0xa5, 0x4a, 0x21,
         0x00, 0xa6, 0x4c, 0x21,
         0x00, 0xa7, 0x4e, 0x25,
-        0x08, 0xeb, 0xdc, 0x7e,
-        0x80, 0xeb, 0x06, 0x7a,
+        0x08, 0xeb, 0xde, 0x7e,
+        0x80, 0xeb, 0x08, 0x7a,
         0xff, 0x6a, 0xd6, 0x09,
-        0x08, 0xeb, 0x0a, 0x6a,
+        0x08, 0xeb, 0x0c, 0x6a,
         0xff, 0x6a, 0xd4, 0x0c,
-        0x80, 0xa3, 0xdc, 0x6e,
-        0x88, 0xeb, 0x20, 0x72,
-        0x08, 0xeb, 0xdc, 0x6e,
-        0x04, 0xea, 0x24, 0xe2,
-        0x08, 0xee, 0xdc, 0x6e,
+        0x80, 0xa3, 0xde, 0x6e,
+        0x88, 0xeb, 0x22, 0x72,
+        0x08, 0xeb, 0xde, 0x6e,
+        0x04, 0xea, 0x26, 0xe2,
+        0x08, 0xee, 0xde, 0x6e,
         0x04, 0x6a, 0xd0, 0x81,
         0x05, 0xa4, 0xc0, 0x89,
         0x03, 0xa5, 0xc2, 0x31,
         0x09, 0x6a, 0xd6, 0x05,
-        0x00, 0x65, 0x08, 0x5a,
+        0x00, 0x65, 0x0a, 0x5a,
         0x06, 0xa4, 0xd4, 0x89,
-        0x80, 0x94, 0xdc, 0x7e,
+        0x80, 0x94, 0xde, 0x7e,
         0x07, 0xe9, 0x10, 0x31,
         0x01, 0xe9, 0x46, 0x31,
-        0x00, 0xa3, 0xba, 0x5e,
-        0x00, 0x65, 0xfa, 0x59,
+        0x00, 0xa3, 0xbc, 0x5e,
+        0x00, 0x65, 0xfc, 0x59,
         0x01, 0xa4, 0xca, 0x30,
-        0x80, 0xa3, 0x34, 0x7a,
+        0x80, 0xa3, 0x36, 0x7a,
         0x02, 0x65, 0xca, 0x00,
         0x01, 0x65, 0xf8, 0x31,
         0x80, 0x93, 0x26, 0x01,
@@ -294,162 +295,162 @@ static uint8_t seqprog[] = {
         0x01, 0x8c, 0xc8, 0x30,
         0x00, 0x88, 0xc8, 0x18,
         0x02, 0x64, 0xc8, 0x88,
-        0xff, 0x64, 0xdc, 0x7e,
-        0xff, 0x8d, 0x4a, 0x6a,
-        0xff, 0x8e, 0x4a, 0x6a,
+        0xff, 0x64, 0xde, 0x7e,
+        0xff, 0x8d, 0x4c, 0x6a,
+        0xff, 0x8e, 0x4c, 0x6a,
         0x03, 0x8c, 0xd4, 0x98,
-        0x00, 0x65, 0xdc, 0x56,
+        0x00, 0x65, 0xde, 0x56,
         0x01, 0x64, 0x70, 0x30,
         0xff, 0x64, 0xc8, 0x10,
         0x01, 0x64, 0xc8, 0x18,
         0x00, 0x8c, 0x18, 0x19,
         0xff, 0x8d, 0x1a, 0x21,
         0xff, 0x8e, 0x1c, 0x25,
-        0xc0, 0x3c, 0x5a, 0x7a,
-        0x21, 0x6a, 0xd8, 0x5e,
+        0xc0, 0x3c, 0x5c, 0x7a,
+        0x21, 0x6a, 0xda, 0x5e,
         0xa8, 0x6a, 0x76, 0x00,
         0x79, 0x6a, 0x76, 0x00,
-        0x40, 0x3f, 0x62, 0x6a,
+        0x40, 0x3f, 0x64, 0x6a,
         0x04, 0x3b, 0x76, 0x00,
         0x04, 0x6a, 0xd4, 0x81,
-        0x20, 0x3c, 0x6a, 0x7a,
-        0x51, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0x82, 0x42,
+        0x20, 0x3c, 0x6c, 0x7a,
+        0x51, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0x84, 0x42,
         0x20, 0x3c, 0x78, 0x00,
-        0x00, 0xb3, 0xba, 0x5e,
+        0x00, 0xb3, 0xbc, 0x5e,
         0x07, 0xac, 0x10, 0x31,
         0x05, 0xb3, 0x46, 0x31,
         0x88, 0x6a, 0xcc, 0x00,
-        0xac, 0x6a, 0xee, 0x5d,
+        0xac, 0x6a, 0xf0, 0x5d,
         0xa3, 0x6a, 0xcc, 0x00,
-        0xb3, 0x6a, 0xf2, 0x5d,
-        0x00, 0x65, 0x3a, 0x5a,
+        0xb3, 0x6a, 0xf4, 0x5d,
+        0x00, 0x65, 0x3c, 0x5a,
         0xfd, 0xa4, 0x48, 0x09,
         0x03, 0x8c, 0x10, 0x30,
-        0x00, 0x65, 0xe6, 0x5d,
-        0x01, 0xa4, 0x94, 0x7a,
+        0x00, 0x65, 0xe8, 0x5d,
+        0x01, 0xa4, 0x96, 0x7a,
         0x04, 0x3b, 0x76, 0x08,
         0x01, 0x3b, 0x26, 0x31,
         0x80, 0x02, 0x04, 0x00,
-        0x10, 0x0c, 0x8a, 0x7a,
-        0x03, 0x9e, 0x8c, 0x6a,
+        0x10, 0x0c, 0x8c, 0x7a,
+        0x03, 0x9e, 0x8e, 0x6a,
         0x7f, 0x02, 0x04, 0x08,
-        0x91, 0x6a, 0xd8, 0x5e,
+        0x91, 0x6a, 0xda, 0x5e,
         0x00, 0x65, 0xcc, 0x41,
         0x01, 0xa4, 0xca, 0x30,
-        0x80, 0xa3, 0x9a, 0x7a,
+        0x80, 0xa3, 0x9c, 0x7a,
         0x02, 0x65, 0xca, 0x00,
         0x01, 0x65, 0xf8, 0x31,
         0x01, 0x3b, 0x26, 0x31,
-        0x00, 0x65, 0x0e, 0x5a,
-        0x01, 0xfc, 0xa8, 0x6a,
-        0x80, 0x0b, 0x9e, 0x6a,
-        0x10, 0x0c, 0x9e, 0x7a,
-        0x20, 0x93, 0x9e, 0x6a,
+        0x00, 0x65, 0x10, 0x5a,
+        0x01, 0xfc, 0xaa, 0x6a,
+        0x80, 0x0b, 0xa0, 0x6a,
+        0x10, 0x0c, 0xa0, 0x7a,
+        0x20, 0x93, 0xa0, 0x6a,
         0x02, 0x93, 0x26, 0x01,
-        0x02, 0xfc, 0xb2, 0x7a,
-        0x40, 0x0d, 0xc6, 0x6a,
+        0x02, 0xfc, 0xb4, 0x7a,
+        0x40, 0x0d, 0xc8, 0x6a,
         0x01, 0xa4, 0x48, 0x01,
-        0x00, 0x65, 0xc6, 0x42,
-        0x40, 0x0d, 0xb8, 0x6a,
-        0x00, 0x65, 0x0e, 0x5a,
-        0x00, 0x65, 0xaa, 0x42,
-        0x80, 0xfc, 0xc2, 0x7a,
-        0x80, 0xa4, 0xc2, 0x6a,
+        0x00, 0x65, 0xc8, 0x42,
+        0x40, 0x0d, 0xba, 0x6a,
+        0x00, 0x65, 0x10, 0x5a,
+        0x00, 0x65, 0xac, 0x42,
+        0x80, 0xfc, 0xc4, 0x7a,
+        0x80, 0xa4, 0xc4, 0x6a,
         0xff, 0xa5, 0x4a, 0x19,
         0xff, 0xa6, 0x4c, 0x21,
         0xff, 0xa7, 0x4e, 0x21,
         0xf8, 0xfc, 0x48, 0x09,
         0x7f, 0xa3, 0x46, 0x09,
-        0x04, 0x3b, 0xe2, 0x6a,
+        0x04, 0x3b, 0xe4, 0x6a,
         0x02, 0x93, 0x26, 0x01,
-        0x01, 0x94, 0xc8, 0x7a,
-        0x01, 0x94, 0xc8, 0x7a,
-        0x01, 0x94, 0xc8, 0x7a,
-        0x01, 0x94, 0xc8, 0x7a,
-        0x01, 0x94, 0xc8, 0x7a,
-        0x01, 0xa4, 0xe0, 0x7a,
-        0x01, 0xfc, 0xd6, 0x7a,
-        0x01, 0x94, 0xe2, 0x6a,
-        0x01, 0x94, 0xe2, 0x6a,
-        0x01, 0x94, 0xe2, 0x6a,
-        0x00, 0x65, 0x82, 0x42,
-        0x01, 0x94, 0xe0, 0x7a,
-        0x10, 0x94, 0xe2, 0x6a,
+        0x01, 0x94, 0xca, 0x7a,
+        0x01, 0x94, 0xca, 0x7a,
+        0x01, 0x94, 0xca, 0x7a,
+        0x01, 0x94, 0xca, 0x7a,
+        0x01, 0x94, 0xca, 0x7a,
+        0x01, 0xa4, 0xe2, 0x7a,
+        0x01, 0xfc, 0xd8, 0x7a,
+        0x01, 0x94, 0xe4, 0x6a,
+        0x01, 0x94, 0xe4, 0x6a,
+        0x01, 0x94, 0xe4, 0x6a,
+        0x00, 0x65, 0x84, 0x42,
+        0x01, 0x94, 0xe2, 0x7a,
+        0x10, 0x94, 0xe4, 0x6a,
         0xd7, 0x93, 0x26, 0x09,
-        0x28, 0x93, 0xe6, 0x6a,
+        0x28, 0x93, 0xe8, 0x6a,
         0x01, 0x85, 0x0a, 0x01,
-        0x02, 0xfc, 0xee, 0x6a,
+        0x02, 0xfc, 0xf0, 0x6a,
         0x01, 0x14, 0x46, 0x31,
         0xff, 0x6a, 0x10, 0x09,
         0xfe, 0x85, 0x0a, 0x09,
-        0xff, 0x38, 0xfc, 0x6a,
-        0x80, 0xa3, 0xfc, 0x7a,
-        0x80, 0x0b, 0xfa, 0x7a,
-        0x04, 0x3b, 0xfc, 0x7a,
+        0xff, 0x38, 0xfe, 0x6a,
+        0x80, 0xa3, 0xfe, 0x7a,
+        0x80, 0x0b, 0xfc, 0x7a,
+        0x04, 0x3b, 0xfe, 0x7a,
         0xbf, 0x3b, 0x76, 0x08,
         0x01, 0x3b, 0x26, 0x31,
-        0x00, 0x65, 0x0e, 0x5a,
-        0x01, 0x0b, 0x0a, 0x6b,
-        0x10, 0x0c, 0xfe, 0x7a,
-        0x04, 0x93, 0x08, 0x6b,
-        0x01, 0x94, 0x06, 0x7b,
-        0x10, 0x94, 0x08, 0x6b,
+        0x00, 0x65, 0x10, 0x5a,
+        0x01, 0x0b, 0x0c, 0x6b,
+        0x10, 0x0c, 0x00, 0x7b,
+        0x04, 0x93, 0x0a, 0x6b,
+        0x01, 0x94, 0x08, 0x7b,
+        0x10, 0x94, 0x0a, 0x6b,
         0xc7, 0x93, 0x26, 0x09,
         0x01, 0x99, 0xd4, 0x30,
-        0x38, 0x93, 0x0c, 0x6b,
-        0xff, 0x08, 0x5a, 0x6b,
-        0xff, 0x09, 0x5a, 0x6b,
-        0xff, 0x0a, 0x5a, 0x6b,
-        0xff, 0x38, 0x28, 0x7b,
+        0x38, 0x93, 0x0e, 0x6b,
+        0xff, 0x08, 0x5c, 0x6b,
+        0xff, 0x09, 0x5c, 0x6b,
+        0xff, 0x0a, 0x5c, 0x6b,
+        0xff, 0x38, 0x2a, 0x7b,
         0x04, 0x14, 0x10, 0x31,
         0x01, 0x38, 0x18, 0x31,
         0x02, 0x6a, 0x1a, 0x31,
         0x88, 0x6a, 0xcc, 0x00,
-        0x14, 0x6a, 0xf4, 0x5d,
-        0x00, 0x38, 0xe0, 0x5d,
+        0x14, 0x6a, 0xf6, 0x5d,
+        0x00, 0x38, 0xe2, 0x5d,
         0xff, 0x6a, 0x70, 0x08,
-        0x00, 0x65, 0x54, 0x43,
-        0x80, 0xa3, 0x2e, 0x7b,
+        0x00, 0x65, 0x56, 0x43,
+        0x80, 0xa3, 0x30, 0x7b,
         0x01, 0xa4, 0x48, 0x01,
-        0x00, 0x65, 0x5a, 0x43,
-        0x08, 0xeb, 0x34, 0x7b,
-        0x00, 0x65, 0x0e, 0x5a,
-        0x08, 0xeb, 0x30, 0x6b,
+        0x00, 0x65, 0x5c, 0x43,
+        0x08, 0xeb, 0x36, 0x7b,
+        0x00, 0x65, 0x10, 0x5a,
+        0x08, 0xeb, 0x32, 0x6b,
         0x07, 0xe9, 0x10, 0x31,
         0x01, 0xe9, 0xca, 0x30,
         0x01, 0x65, 0x46, 0x31,
-        0x00, 0x6a, 0xba, 0x5e,
+        0x00, 0x6a, 0xbc, 0x5e,
         0x88, 0x6a, 0xcc, 0x00,
-        0xa4, 0x6a, 0xf4, 0x5d,
-        0x08, 0x6a, 0xe0, 0x5d,
+        0xa4, 0x6a, 0xf6, 0x5d,
+        0x08, 0x6a, 0xe2, 0x5d,
         0x0d, 0x93, 0x26, 0x01,
-        0x00, 0x65, 0xa8, 0x5e,
+        0x00, 0x65, 0xaa, 0x5e,
         0x88, 0x6a, 0xcc, 0x00,
-        0x00, 0x65, 0x8a, 0x5e,
+        0x00, 0x65, 0x8c, 0x5e,
         0x01, 0x99, 0x46, 0x31,
-        0x00, 0xa3, 0xba, 0x5e,
+        0x00, 0xa3, 0xbc, 0x5e,
         0x01, 0x88, 0x10, 0x31,
-        0x00, 0x65, 0x3a, 0x5a,
-        0x00, 0x65, 0xfa, 0x59,
+        0x00, 0x65, 0x3c, 0x5a,
+        0x00, 0x65, 0xfc, 0x59,
         0x03, 0x8c, 0x10, 0x30,
-        0x00, 0x65, 0xe6, 0x5d,
-        0x80, 0x0b, 0x82, 0x6a,
-        0x80, 0x0b, 0x62, 0x6b,
-        0x01, 0x0c, 0x5c, 0x7b,
-        0x10, 0x0c, 0x82, 0x7a,
-        0x03, 0x9e, 0x82, 0x6a,
-        0x00, 0x65, 0x04, 0x5a,
-        0x00, 0x6a, 0xba, 0x5e,
-        0x01, 0xa4, 0x82, 0x6b,
-        0xff, 0x38, 0x78, 0x7b,
+        0x00, 0x65, 0xe8, 0x5d,
+        0x80, 0x0b, 0x84, 0x6a,
+        0x80, 0x0b, 0x64, 0x6b,
+        0x01, 0x0c, 0x5e, 0x7b,
+        0x10, 0x0c, 0x84, 0x7a,
+        0x03, 0x9e, 0x84, 0x6a,
+        0x00, 0x65, 0x06, 0x5a,
+        0x00, 0x6a, 0xbc, 0x5e,
+        0x01, 0xa4, 0x84, 0x6b,
+        0xff, 0x38, 0x7a, 0x7b,
         0x01, 0x38, 0xc8, 0x30,
         0x00, 0x08, 0x40, 0x19,
         0xff, 0x6a, 0xc8, 0x08,
         0x00, 0x09, 0x42, 0x21,
         0x00, 0x0a, 0x44, 0x21,
         0xff, 0x6a, 0x70, 0x08,
-        0x00, 0x65, 0x7a, 0x43,
+        0x00, 0x65, 0x7c, 0x43,
         0x03, 0x08, 0x40, 0x31,
         0x03, 0x08, 0x40, 0x31,
         0x01, 0x08, 0x40, 0x31,
@@ -461,16 +462,16 @@ static uint8_t seqprog[] = {
         0x04, 0x3c, 0xcc, 0x79,
         0xfb, 0x3c, 0x78, 0x08,
         0x04, 0x93, 0x20, 0x79,
-        0x01, 0x0c, 0x8e, 0x6b,
+        0x01, 0x0c, 0x90, 0x6b,
         0x80, 0xba, 0x20, 0x79,
         0x80, 0x04, 0x20, 0x79,
-        0xe4, 0x6a, 0x6e, 0x5d,
-        0x23, 0x6a, 0x84, 0x5d,
-        0x01, 0x6a, 0x84, 0x5d,
+        0xe4, 0x6a, 0x70, 0x5d,
+        0x23, 0x6a, 0x86, 0x5d,
+        0x01, 0x6a, 0x86, 0x5d,
         0x00, 0x65, 0x20, 0x41,
         0x00, 0x65, 0xcc, 0x41,
-        0x80, 0x3c, 0xa2, 0x7b,
-        0x21, 0x6a, 0xd8, 0x5e,
+        0x80, 0x3c, 0xa4, 0x7b,
+        0x21, 0x6a, 0xda, 0x5e,
         0x01, 0xbc, 0x18, 0x31,
         0x02, 0x6a, 0x1a, 0x31,
         0x02, 0x6a, 0xf8, 0x01,
@@ -480,16 +481,16 @@ static uint8_t seqprog[] = {
         0xff, 0x6a, 0x12, 0x08,
         0xff, 0x6a, 0x14, 0x08,
         0xf3, 0xbc, 0xd4, 0x18,
-        0xa0, 0x6a, 0xc8, 0x53,
+        0xa0, 0x6a, 0xca, 0x53,
         0x04, 0xa0, 0x10, 0x31,
         0xac, 0x6a, 0x26, 0x01,
         0x04, 0xa0, 0x10, 0x31,
         0x03, 0x08, 0x18, 0x31,
         0x88, 0x6a, 0xcc, 0x00,
-        0xa0, 0x6a, 0xf4, 0x5d,
-        0x00, 0xbc, 0xe0, 0x5d,
+        0xa0, 0x6a, 0xf6, 0x5d,
+        0x00, 0xbc, 0xe2, 0x5d,
         0x3d, 0x6a, 0x26, 0x01,
-        0x00, 0x65, 0xe0, 0x43,
+        0x00, 0x65, 0xe2, 0x43,
         0xff, 0x6a, 0x10, 0x09,
         0xa4, 0x6a, 0x26, 0x01,
         0x0c, 0xa0, 0x32, 0x31,
@@ -499,128 +500,128 @@ static uint8_t seqprog[] = {
         0x36, 0x6a, 0x26, 0x01,
         0x02, 0x93, 0x26, 0x01,
         0x35, 0x6a, 0x26, 0x01,
-        0x00, 0x65, 0x9c, 0x5e,
-        0x00, 0x65, 0x9c, 0x5e,
+        0x00, 0x65, 0x9e, 0x5e,
+        0x00, 0x65, 0x9e, 0x5e,
         0x02, 0x93, 0x26, 0x01,
         0xbf, 0x3c, 0x78, 0x08,
-        0x04, 0x0b, 0xe6, 0x6b,
-        0x10, 0x0c, 0xe2, 0x7b,
-        0x01, 0x03, 0xe6, 0x6b,
-        0x20, 0x93, 0xe8, 0x6b,
-        0x04, 0x0b, 0xee, 0x6b,
+        0x04, 0x0b, 0xe8, 0x6b,
+        0x10, 0x0c, 0xe4, 0x7b,
+        0x01, 0x03, 0xe8, 0x6b,
+        0x20, 0x93, 0xea, 0x6b,
+        0x04, 0x0b, 0xf0, 0x6b,
         0x40, 0x3c, 0x78, 0x00,
         0xc7, 0x93, 0x26, 0x09,
-        0x38, 0x93, 0xf0, 0x6b,
+        0x38, 0x93, 0xf2, 0x6b,
         0x00, 0x65, 0xcc, 0x41,
-        0x80, 0x3c, 0x56, 0x6c,
+        0x80, 0x3c, 0x58, 0x6c,
         0x01, 0x06, 0x50, 0x31,
         0x80, 0xb8, 0x70, 0x01,
         0x00, 0x65, 0xcc, 0x41,
         0x10, 0x3f, 0x06, 0x00,
         0x10, 0x6a, 0x06, 0x00,
         0x01, 0x3a, 0xca, 0x30,
-        0x80, 0x65, 0x1c, 0x64,
-        0x10, 0xb8, 0x40, 0x6c,
+        0x80, 0x65, 0x1e, 0x64,
+        0x10, 0xb8, 0x42, 0x6c,
         0xc0, 0x3e, 0xca, 0x00,
-        0x40, 0xb8, 0x0c, 0x6c,
+        0x40, 0xb8, 0x0e, 0x6c,
         0xbf, 0x65, 0xca, 0x08,
-        0x20, 0xb8, 0x20, 0x7c,
+        0x20, 0xb8, 0x22, 0x7c,
         0x01, 0x65, 0x0c, 0x30,
-        0x00, 0x65, 0xd8, 0x5d,
-        0xa0, 0x3f, 0x28, 0x64,
+        0x00, 0x65, 0xda, 0x5d,
+        0xa0, 0x3f, 0x2a, 0x64,
         0x23, 0xb8, 0x0c, 0x08,
-        0x00, 0x65, 0xd8, 0x5d,
-        0xa0, 0x3f, 0x28, 0x64,
-        0x00, 0xbb, 0x20, 0x44,
-        0xff, 0x65, 0x20, 0x64,
-        0x00, 0x65, 0x40, 0x44,
+        0x00, 0x65, 0xda, 0x5d,
+        0xa0, 0x3f, 0x2a, 0x64,
+        0x00, 0xbb, 0x22, 0x44,
+        0xff, 0x65, 0x22, 0x64,
+        0x00, 0x65, 0x42, 0x44,
         0x40, 0x6a, 0x18, 0x00,
         0x01, 0x65, 0x0c, 0x30,
-        0x00, 0x65, 0xd8, 0x5d,
-        0xa0, 0x3f, 0xfc, 0x73,
+        0x00, 0x65, 0xda, 0x5d,
+        0xa0, 0x3f, 0xfe, 0x73,
         0x40, 0x6a, 0x18, 0x00,
         0x01, 0x3a, 0xa6, 0x30,
         0x08, 0x6a, 0x74, 0x00,
         0x00, 0x65, 0xcc, 0x41,
-        0x64, 0x6a, 0x68, 0x5d,
-        0x80, 0x64, 0xd8, 0x6c,
-        0x04, 0x64, 0x9a, 0x74,
-        0x02, 0x64, 0xaa, 0x74,
-        0x00, 0x6a, 0x60, 0x74,
-        0x03, 0x64, 0xc8, 0x74,
-        0x23, 0x64, 0x48, 0x74,
-        0x08, 0x64, 0x5c, 0x74,
-        0x61, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0xd8, 0x5d,
+        0x64, 0x6a, 0x6a, 0x5d,
+        0x80, 0x64, 0xda, 0x6c,
+        0x04, 0x64, 0x9c, 0x74,
+        0x02, 0x64, 0xac, 0x74,
+        0x00, 0x6a, 0x62, 0x74,
+        0x03, 0x64, 0xca, 0x74,
+        0x23, 0x64, 0x4a, 0x74,
+        0x08, 0x64, 0x5e, 0x74,
+        0x61, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0xda, 0x5d,
         0x08, 0x51, 0xce, 0x71,
-        0x00, 0x65, 0x40, 0x44,
-        0x80, 0x04, 0x5a, 0x7c,
-        0x51, 0x6a, 0x5e, 0x5d,
-        0x01, 0x51, 0x5a, 0x64,
-        0x01, 0xa4, 0x52, 0x7c,
-        0x80, 0xba, 0x5c, 0x6c,
-        0x41, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0x5c, 0x44,
-        0x21, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0x5c, 0x44,
-        0x07, 0x6a, 0x54, 0x5d,
+        0x00, 0x65, 0x42, 0x44,
+        0x80, 0x04, 0x5c, 0x7c,
+        0x51, 0x6a, 0x60, 0x5d,
+        0x01, 0x51, 0x5c, 0x64,
+        0x01, 0xa4, 0x54, 0x7c,
+        0x80, 0xba, 0x5e, 0x6c,
+        0x41, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0x5e, 0x44,
+        0x21, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0x5e, 0x44,
+        0x07, 0x6a, 0x56, 0x5d,
         0x01, 0x06, 0xd4, 0x30,
         0x00, 0x65, 0xcc, 0x41,
-        0x80, 0xb8, 0x56, 0x7c,
-        0xc0, 0x3c, 0x6a, 0x7c,
-        0x80, 0x3c, 0x56, 0x6c,
-        0xff, 0xa8, 0x6a, 0x6c,
-        0x40, 0x3c, 0x56, 0x6c,
-        0x10, 0xb8, 0x6e, 0x7c,
-        0xa1, 0x6a, 0xd8, 0x5e,
-        0x01, 0xb4, 0x74, 0x6c,
-        0x02, 0xb4, 0x76, 0x6c,
-        0x01, 0xa4, 0x76, 0x7c,
-        0xff, 0xa8, 0x86, 0x7c,
+        0x80, 0xb8, 0x58, 0x7c,
+        0xc0, 0x3c, 0x6c, 0x7c,
+        0x80, 0x3c, 0x58, 0x6c,
+        0xff, 0xa8, 0x6c, 0x6c,
+        0x40, 0x3c, 0x58, 0x6c,
+        0x10, 0xb8, 0x70, 0x7c,
+        0xa1, 0x6a, 0xda, 0x5e,
+        0x01, 0xb4, 0x76, 0x6c,
+        0x02, 0xb4, 0x78, 0x6c,
+        0x01, 0xa4, 0x78, 0x7c,
+        0xff, 0xa8, 0x88, 0x7c,
         0x04, 0xb4, 0x68, 0x01,
         0x01, 0x6a, 0x76, 0x00,
-        0x00, 0xbb, 0x12, 0x5e,
-        0xff, 0xa8, 0x86, 0x7c,
-        0x71, 0x6a, 0xd8, 0x5e,
-        0x40, 0x51, 0x86, 0x64,
-        0x00, 0x65, 0xb2, 0x5e,
+        0x00, 0xbb, 0x14, 0x5e,
+        0xff, 0xa8, 0x88, 0x7c,
+        0x71, 0x6a, 0xda, 0x5e,
+        0x40, 0x51, 0x88, 0x64,
+        0x00, 0x65, 0xb4, 0x5e,
         0x00, 0x65, 0xde, 0x41,
-        0x00, 0xbb, 0x8a, 0x5c,
+        0x00, 0xbb, 0x8c, 0x5c,
         0x00, 0x65, 0xde, 0x41,
-        0x00, 0x65, 0xb2, 0x5e,
+        0x00, 0x65, 0xb4, 0x5e,
         0x01, 0x65, 0xa2, 0x30,
         0x01, 0xf8, 0xc8, 0x30,
         0x01, 0x4e, 0xc8, 0x30,
-        0x00, 0x6a, 0xb6, 0xdd,
-        0x00, 0x51, 0xc8, 0x5d,
+        0x00, 0x6a, 0xb8, 0xdd,
+        0x00, 0x51, 0xca, 0x5d,
         0x01, 0x4e, 0x9c, 0x18,
         0x02, 0x6a, 0x22, 0x05,
-        0xc0, 0x3c, 0x56, 0x6c,
+        0xc0, 0x3c, 0x58, 0x6c,
         0x04, 0xb8, 0x70, 0x01,
-        0x00, 0x65, 0xd4, 0x5e,
+        0x00, 0x65, 0xd6, 0x5e,
         0x20, 0xb8, 0xde, 0x69,
         0x01, 0xbb, 0xa2, 0x30,
         0x3f, 0xba, 0x7c, 0x08,
-        0x00, 0xb9, 0xce, 0x5c,
+        0x00, 0xb9, 0xd0, 0x5c,
         0x00, 0x65, 0xde, 0x41,
         0x01, 0x06, 0xd4, 0x30,
         0x20, 0x3c, 0xcc, 0x79,
-        0x20, 0x3c, 0x5c, 0x7c,
-        0x01, 0xa4, 0xb8, 0x7c,
+        0x20, 0x3c, 0x5e, 0x7c,
+        0x01, 0xa4, 0xba, 0x7c,
         0x01, 0xb4, 0x68, 0x01,
         0x00, 0x65, 0xcc, 0x41,
-        0x00, 0x65, 0x5c, 0x44,
+        0x00, 0x65, 0x5e, 0x44,
         0x04, 0x14, 0x58, 0x31,
         0x01, 0x06, 0xd4, 0x30,
         0x08, 0xa0, 0x60, 0x31,
         0xac, 0x6a, 0xcc, 0x00,
-        0x14, 0x6a, 0xf4, 0x5d,
+        0x14, 0x6a, 0xf6, 0x5d,
         0x01, 0x06, 0xd4, 0x30,
-        0xa0, 0x6a, 0xec, 0x5d,
+        0xa0, 0x6a, 0xee, 0x5d,
         0x00, 0x65, 0xcc, 0x41,
         0xdf, 0x3c, 0x78, 0x08,
         0x12, 0x01, 0x02, 0x00,
-        0x00, 0x65, 0x5c, 0x44,
+        0x00, 0x65, 0x5e, 0x44,
         0x4c, 0x65, 0xcc, 0x28,
         0x01, 0x3e, 0x20, 0x31,
         0xd0, 0x66, 0xcc, 0x18,
@@ -631,102 +632,102 @@ static uint8_t seqprog[] = {
         0xd0, 0x65, 0xca, 0x18,
         0x01, 0x3e, 0x20, 0x31,
         0x30, 0x65, 0xd4, 0x18,
-        0x00, 0x65, 0xe6, 0x4c,
+        0x00, 0x65, 0xe8, 0x4c,
         0xe1, 0x6a, 0x22, 0x01,
         0xff, 0x6a, 0xd4, 0x08,
         0x20, 0x65, 0xd4, 0x18,
-        0x00, 0x65, 0xee, 0x54,
+        0x00, 0x65, 0xf0, 0x54,
         0xe1, 0x6a, 0x22, 0x01,
         0xff, 0x6a, 0xd4, 0x08,
         0x20, 0x65, 0xca, 0x18,
         0xe0, 0x65, 0xd4, 0x18,
-        0x00, 0x65, 0xf8, 0x4c,
+        0x00, 0x65, 0xfa, 0x4c,
         0xe1, 0x6a, 0x22, 0x01,
         0xff, 0x6a, 0xd4, 0x08,
         0xd0, 0x65, 0xd4, 0x18,
-        0x00, 0x65, 0x00, 0x55,
+        0x00, 0x65, 0x02, 0x55,
         0xe1, 0x6a, 0x22, 0x01,
         0xff, 0x6a, 0xd4, 0x08,
         0x01, 0x6c, 0xa2, 0x30,
-        0xff, 0x51, 0x12, 0x75,
-        0x00, 0x51, 0x8e, 0x5d,
+        0xff, 0x51, 0x14, 0x75,
+        0x00, 0x51, 0x90, 0x5d,
         0x01, 0x51, 0x20, 0x31,
-        0x00, 0x65, 0x34, 0x45,
+        0x00, 0x65, 0x36, 0x45,
         0x3f, 0xba, 0xc8, 0x08,
-        0x00, 0x3e, 0x34, 0x75,
-        0x00, 0x65, 0xb0, 0x5e,
+        0x00, 0x3e, 0x36, 0x75,
+        0x00, 0x65, 0xb2, 0x5e,
         0x80, 0x3c, 0x78, 0x00,
         0x01, 0x06, 0xd4, 0x30,
-        0x00, 0x65, 0xd8, 0x5d,
+        0x00, 0x65, 0xda, 0x5d,
         0x01, 0x3c, 0x78, 0x00,
-        0xe0, 0x3f, 0x50, 0x65,
+        0xe0, 0x3f, 0x52, 0x65,
         0x02, 0x3c, 0x78, 0x00,
-        0x20, 0x12, 0x50, 0x65,
-        0x51, 0x6a, 0x5e, 0x5d,
-        0x00, 0x51, 0x8e, 0x5d,
-        0x51, 0x6a, 0x5e, 0x5d,
+        0x20, 0x12, 0x52, 0x65,
+        0x51, 0x6a, 0x60, 0x5d,
+        0x00, 0x51, 0x90, 0x5d,
+        0x51, 0x6a, 0x60, 0x5d,
         0x01, 0x51, 0x20, 0x31,
         0x04, 0x3c, 0x78, 0x00,
         0x01, 0xb9, 0xc8, 0x30,
-        0x00, 0x3d, 0x4e, 0x65,
+        0x00, 0x3d, 0x50, 0x65,
         0x08, 0x3c, 0x78, 0x00,
         0x3f, 0xba, 0xc8, 0x08,
-        0x00, 0x3e, 0x4e, 0x65,
+        0x00, 0x3e, 0x50, 0x65,
         0x10, 0x3c, 0x78, 0x00,
-        0x04, 0xb8, 0x4e, 0x7d,
+        0x04, 0xb8, 0x50, 0x7d,
         0xfb, 0xb8, 0x70, 0x09,
-        0x20, 0xb8, 0x44, 0x6d,
+        0x20, 0xb8, 0x46, 0x6d,
         0x01, 0x90, 0xc8, 0x30,
         0xff, 0x6a, 0xa2, 0x00,
-        0x00, 0x3d, 0xce, 0x5c,
+        0x00, 0x3d, 0xd0, 0x5c,
         0x01, 0x64, 0x20, 0x31,
         0xff, 0x6a, 0x78, 0x08,
         0x00, 0x65, 0xea, 0x58,
-        0x10, 0xb8, 0x5c, 0x7c,
-        0xff, 0x6a, 0x54, 0x5d,
-        0x00, 0x65, 0x5c, 0x44,
-        0x00, 0x65, 0xb0, 0x5e,
-        0x31, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0x5c, 0x44,
+        0x10, 0xb8, 0x5e, 0x7c,
+        0xff, 0x6a, 0x56, 0x5d,
+        0x00, 0x65, 0x5e, 0x44,
+        0x00, 0x65, 0xb2, 0x5e,
+        0x31, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0x5e, 0x44,
         0x10, 0x3f, 0x06, 0x00,
         0x10, 0x6a, 0x06, 0x00,
         0x01, 0x65, 0x74, 0x34,
-        0x81, 0x6a, 0xd8, 0x5e,
-        0x00, 0x65, 0x60, 0x45,
+        0x81, 0x6a, 0xda, 0x5e,
+        0x00, 0x65, 0x62, 0x45,
         0x01, 0x06, 0xd4, 0x30,
-        0x01, 0x0c, 0x60, 0x7d,
-        0x04, 0x0c, 0x5a, 0x6d,
+        0x01, 0x0c, 0x62, 0x7d,
+        0x04, 0x0c, 0x5c, 0x6d,
         0xe0, 0x03, 0x7e, 0x08,
         0xe0, 0x3f, 0xcc, 0x61,
         0x01, 0x65, 0xcc, 0x30,
         0x01, 0x12, 0xda, 0x34,
         0x01, 0x06, 0xd4, 0x34,
-        0x01, 0x03, 0x6e, 0x6d,
+        0x01, 0x03, 0x70, 0x6d,
         0x40, 0x03, 0xcc, 0x08,
         0x01, 0x65, 0x06, 0x30,
         0x40, 0x65, 0xc8, 0x08,
-        0x00, 0x66, 0x7c, 0x75,
-        0x40, 0x65, 0x7c, 0x7d,
-        0x00, 0x65, 0x7c, 0x5d,
+        0x00, 0x66, 0x7e, 0x75,
+        0x40, 0x65, 0x7e, 0x7d,
+        0x00, 0x65, 0x7e, 0x5d,
         0xff, 0x6a, 0xd4, 0x08,
         0xff, 0x6a, 0xd4, 0x08,
         0xff, 0x6a, 0xd4, 0x08,
         0xff, 0x6a, 0xd4, 0x0c,
         0x08, 0x01, 0x02, 0x00,
-        0x02, 0x0b, 0x86, 0x7d,
+        0x02, 0x0b, 0x88, 0x7d,
         0x01, 0x65, 0x0c, 0x30,
-        0x02, 0x0b, 0x8a, 0x7d,
+        0x02, 0x0b, 0x8c, 0x7d,
         0xf7, 0x01, 0x02, 0x0c,
         0x01, 0x65, 0xc8, 0x30,
-        0xff, 0x41, 0xae, 0x75,
+        0xff, 0x41, 0xb0, 0x75,
         0x01, 0x41, 0x20, 0x31,
         0xff, 0x6a, 0xa4, 0x00,
-        0x00, 0x65, 0x9e, 0x45,
-        0xff, 0xbf, 0xae, 0x75,
+        0x00, 0x65, 0xa0, 0x45,
+        0xff, 0xbf, 0xb0, 0x75,
         0x01, 0x90, 0xa4, 0x30,
         0x01, 0xbf, 0x20, 0x31,
-        0x00, 0xbb, 0x98, 0x65,
-        0xff, 0x52, 0xac, 0x75,
+        0x00, 0xbb, 0x9a, 0x65,
+        0xff, 0x52, 0xae, 0x75,
         0x01, 0xbf, 0xcc, 0x30,
         0x01, 0x90, 0xca, 0x30,
         0x01, 0x52, 0x20, 0x31,
@@ -734,28 +735,28 @@ static uint8_t seqprog[] = {
         0x01, 0x65, 0x20, 0x35,
         0x01, 0xbf, 0x82, 0x34,
         0x01, 0x64, 0xa2, 0x30,
-        0x00, 0x6a, 0xc0, 0x5e,
+        0x00, 0x6a, 0xc2, 0x5e,
         0x0d, 0x6a, 0x76, 0x00,
-        0x00, 0x51, 0x12, 0x46,
+        0x00, 0x51, 0x14, 0x46,
         0x01, 0x65, 0xa4, 0x30,
         0xe0, 0x6a, 0xcc, 0x00,
-        0x48, 0x6a, 0x06, 0x5e,
+        0x48, 0x6a, 0x08, 0x5e,
         0x01, 0x6a, 0xd0, 0x01,
         0x01, 0x6a, 0xdc, 0x05,
         0x88, 0x6a, 0xcc, 0x00,
-        0x48, 0x6a, 0x06, 0x5e,
-        0x01, 0x6a, 0xe0, 0x5d,
+        0x48, 0x6a, 0x08, 0x5e,
+        0x01, 0x6a, 0xe2, 0x5d,
         0x01, 0x6a, 0x26, 0x05,
         0x01, 0x65, 0xd8, 0x31,
         0x09, 0xee, 0xdc, 0x01,
-        0x80, 0xee, 0xcc, 0x7d,
+        0x80, 0xee, 0xce, 0x7d,
         0xff, 0x6a, 0xdc, 0x0d,
         0x01, 0x65, 0x32, 0x31,
         0x0a, 0x93, 0x26, 0x01,
-        0x00, 0x65, 0xa8, 0x46,
-        0x81, 0x6a, 0xd8, 0x5e,
-        0x01, 0x0c, 0xd8, 0x7d,
-        0x04, 0x0c, 0xd6, 0x6d,
+        0x00, 0x65, 0xaa, 0x46,
+        0x81, 0x6a, 0xda, 0x5e,
+        0x01, 0x0c, 0xda, 0x7d,
+        0x04, 0x0c, 0xd8, 0x6d,
         0xe0, 0x03, 0x06, 0x08,
         0xe0, 0x03, 0x7e, 0x0c,
         0x01, 0x65, 0x18, 0x31,
@@ -774,7 +775,7 @@ static uint8_t seqprog[] = {
         0x01, 0x6c, 0xda, 0x34,
         0x3d, 0x64, 0xa4, 0x28,
         0x55, 0x64, 0xc8, 0x28,
-        0x00, 0x65, 0x06, 0x46,
+        0x00, 0x65, 0x08, 0x46,
         0x2e, 0x64, 0xa4, 0x28,
         0x66, 0x64, 0xc8, 0x28,
         0x00, 0x6c, 0xda, 0x18,
@@ -785,63 +786,63 @@ static uint8_t seqprog[] = {
         0x00, 0x6c, 0xda, 0x24,
         0x01, 0x65, 0xc8, 0x30,
         0xe0, 0x6a, 0xcc, 0x00,
-        0x44, 0x6a, 0x02, 0x5e,
+        0x44, 0x6a, 0x04, 0x5e,
         0x01, 0x90, 0xe2, 0x31,
-        0x04, 0x3b, 0x26, 0x7e,
+        0x04, 0x3b, 0x28, 0x7e,
         0x30, 0x6a, 0xd0, 0x01,
         0x20, 0x6a, 0xd0, 0x01,
         0x1d, 0x6a, 0xdc, 0x01,
-        0xdc, 0xee, 0x22, 0x66,
-        0x00, 0x65, 0x3e, 0x46,
+        0xdc, 0xee, 0x24, 0x66,
+        0x00, 0x65, 0x40, 0x46,
         0x20, 0x6a, 0xd0, 0x01,
         0x01, 0x6a, 0xdc, 0x01,
         0x20, 0xa0, 0xd8, 0x31,
         0x09, 0xee, 0xdc, 0x01,
-        0x80, 0xee, 0x2e, 0x7e,
+        0x80, 0xee, 0x30, 0x7e,
         0x11, 0x6a, 0xdc, 0x01,
-        0x50, 0xee, 0x32, 0x66,
+        0x50, 0xee, 0x34, 0x66,
         0x20, 0x6a, 0xd0, 0x01,
         0x09, 0x6a, 0xdc, 0x01,
-        0x88, 0xee, 0x38, 0x66,
+        0x88, 0xee, 0x3a, 0x66,
         0x19, 0x6a, 0xdc, 0x01,
-        0xd8, 0xee, 0x3c, 0x66,
+        0xd8, 0xee, 0x3e, 0x66,
         0xff, 0x6a, 0xdc, 0x09,
-        0x18, 0xee, 0x40, 0x6e,
+        0x18, 0xee, 0x42, 0x6e,
         0xff, 0x6a, 0xd4, 0x0c,
         0x88, 0x6a, 0xcc, 0x00,
-        0x44, 0x6a, 0x02, 0x5e,
-        0x20, 0x6a, 0xe0, 0x5d,
+        0x44, 0x6a, 0x04, 0x5e,
+        0x20, 0x6a, 0xe2, 0x5d,
         0x01, 0x3b, 0x26, 0x31,
-        0x04, 0x3b, 0x5a, 0x6e,
+        0x04, 0x3b, 0x5c, 0x6e,
         0xa0, 0x6a, 0xca, 0x00,
         0x20, 0x65, 0xc8, 0x18,
-        0x00, 0x65, 0x98, 0x5e,
-        0x00, 0x65, 0x52, 0x66,
+        0x00, 0x65, 0x9a, 0x5e,
+        0x00, 0x65, 0x54, 0x66,
         0x0a, 0x93, 0x26, 0x01,
-        0x00, 0x65, 0xa8, 0x46,
+        0x00, 0x65, 0xaa, 0x46,
         0xa0, 0x6a, 0xcc, 0x00,
         0xff, 0x6a, 0xc8, 0x08,
-        0x20, 0x94, 0x5e, 0x6e,
-        0x10, 0x94, 0x60, 0x6e,
-        0x08, 0x94, 0x7a, 0x6e,
-        0x08, 0x94, 0x7a, 0x6e,
-        0x08, 0x94, 0x7a, 0x6e,
+        0x20, 0x94, 0x60, 0x6e,
+        0x10, 0x94, 0x62, 0x6e,
+        0x08, 0x94, 0x7c, 0x6e,
+        0x08, 0x94, 0x7c, 0x6e,
+        0x08, 0x94, 0x7c, 0x6e,
         0xff, 0x8c, 0xc8, 0x10,
         0xc1, 0x64, 0xc8, 0x18,
         0xf8, 0x64, 0xc8, 0x08,
         0x01, 0x99, 0xda, 0x30,
-        0x00, 0x66, 0x6e, 0x66,
-        0xc0, 0x66, 0xaa, 0x76,
+        0x00, 0x66, 0x70, 0x66,
+        0xc0, 0x66, 0xac, 0x76,
         0x60, 0x66, 0xc8, 0x18,
         0x3d, 0x64, 0xc8, 0x28,
-        0x00, 0x65, 0x5e, 0x46,
+        0x00, 0x65, 0x60, 0x46,
         0xf7, 0x93, 0x26, 0x09,
-        0x08, 0x93, 0x7c, 0x6e,
+        0x08, 0x93, 0x7e, 0x6e,
         0x00, 0x62, 0xc4, 0x18,
-        0x00, 0x65, 0xa8, 0x5e,
-        0x00, 0x65, 0x88, 0x5e,
-        0x00, 0x65, 0x88, 0x5e,
-        0x00, 0x65, 0x88, 0x5e,
+        0x00, 0x65, 0xaa, 0x5e,
+        0x00, 0x65, 0x8a, 0x5e,
+        0x00, 0x65, 0x8a, 0x5e,
+        0x00, 0x65, 0x8a, 0x5e,
         0x01, 0x99, 0xda, 0x30,
         0x01, 0x99, 0xda, 0x30,
         0x01, 0x99, 0xda, 0x30,
@@ -858,11 +859,11 @@ static uint8_t seqprog[] = {
         0x01, 0x6c, 0x32, 0x31,
         0x01, 0x6c, 0x32, 0x31,
         0x01, 0x6c, 0x32, 0x35,
-        0x08, 0x94, 0xa8, 0x7e,
+        0x08, 0x94, 0xaa, 0x7e,
         0xf7, 0x93, 0x26, 0x09,
-        0x08, 0x93, 0xac, 0x6e,
+        0x08, 0x93, 0xae, 0x6e,
         0xff, 0x6a, 0xd4, 0x0c,
-        0x04, 0xb8, 0xd4, 0x6e,
+        0x04, 0xb8, 0xd6, 0x6e,
         0x01, 0x42, 0x7e, 0x31,
         0xff, 0x6a, 0x76, 0x01,
         0x01, 0x90, 0x84, 0x34,
@@ -870,14 +871,14 @@ static uint8_t seqprog[] = {
         0x01, 0x85, 0x0a, 0x01,
         0x7f, 0x65, 0x10, 0x09,
         0xfe, 0x85, 0x0a, 0x0d,
-        0xff, 0x42, 0xd0, 0x66,
-        0xff, 0x41, 0xc8, 0x66,
-        0xd1, 0x6a, 0xd8, 0x5e,
+        0xff, 0x42, 0xd2, 0x66,
+        0xff, 0x41, 0xca, 0x66,
+        0xd1, 0x6a, 0xda, 0x5e,
         0xff, 0x6a, 0xca, 0x04,
         0x01, 0x41, 0x20, 0x31,
         0x01, 0xbf, 0x82, 0x30,
         0x01, 0x6a, 0x76, 0x00,
-        0x00, 0xbb, 0x12, 0x46,
+        0x00, 0xbb, 0x14, 0x46,
         0x01, 0x42, 0x20, 0x31,
         0x01, 0xbf, 0x84, 0x34,
         0x01, 0x41, 0x7e, 0x31,
@@ -941,7 +942,7 @@ static ahc_patch_func_t ahc_patch17_func;
 static int
 ahc_patch17_func(struct ahc_softc *ahc)
 {
-        return ((ahc->flags & AHC_TMODE_WIDEODD_BUG) != 0);
+        return ((ahc->bugs & AHC_TMODE_WIDEODD_BUG) != 0);
 }
 
 static ahc_patch_func_t ahc_patch16_func;
@@ -1142,152 +1143,152 @@ static struct patch {
         { ahc_patch0_func, 196, 1, 1 },
         { ahc_patch9_func, 212, 6, 2 },
         { ahc_patch0_func, 218, 6, 1 },
-        { ahc_patch8_func, 226, 20, 2 },
+        { ahc_patch8_func, 226, 21, 2 },
         { ahc_patch1_func, 241, 1, 1 },
-        { ahc_patch1_func, 248, 1, 2 },
-        { ahc_patch0_func, 249, 2, 2 },
-        { ahc_patch11_func, 250, 1, 1 },
-        { ahc_patch9_func, 258, 27, 3 },
-        { ahc_patch1_func, 274, 10, 2 },
-        { ahc_patch13_func, 277, 1, 1 },
-        { ahc_patch14_func, 285, 14, 1 },
-        { ahc_patch1_func, 301, 1, 2 },
-        { ahc_patch0_func, 302, 1, 1 },
-        { ahc_patch9_func, 305, 1, 1 },
-        { ahc_patch13_func, 310, 1, 1 },
-        { ahc_patch9_func, 311, 2, 2 },
-        { ahc_patch0_func, 313, 4, 1 },
-        { ahc_patch14_func, 317, 1, 1 },
-        { ahc_patch15_func, 319, 2, 3 },
-        { ahc_patch9_func, 319, 1, 2 },
-        { ahc_patch0_func, 320, 1, 1 },
-        { ahc_patch6_func, 325, 1, 2 },
-        { ahc_patch0_func, 326, 1, 1 },
-        { ahc_patch1_func, 330, 47, 11 },
-        { ahc_patch6_func, 337, 2, 4 },
-        { ahc_patch7_func, 337, 1, 1 },
-        { ahc_patch8_func, 338, 1, 1 },
-        { ahc_patch0_func, 339, 1, 1 },
-        { ahc_patch16_func, 340, 1, 1 },
-        { ahc_patch6_func, 356, 6, 3 },
-        { ahc_patch16_func, 356, 5, 1 },
-        { ahc_patch0_func, 362, 7, 1 },
-        { ahc_patch13_func, 372, 5, 1 },
-        { ahc_patch0_func, 377, 52, 17 },
-        { ahc_patch14_func, 377, 1, 1 },
-        { ahc_patch7_func, 379, 2, 2 },
-        { ahc_patch17_func, 380, 1, 1 },
-        { ahc_patch9_func, 383, 1, 1 },
-        { ahc_patch18_func, 390, 1, 1 },
-        { ahc_patch14_func, 395, 9, 3 },
-        { ahc_patch9_func, 396, 3, 2 },
-        { ahc_patch0_func, 399, 3, 1 },
-        { ahc_patch9_func, 407, 6, 2 },
-        { ahc_patch0_func, 413, 9, 2 },
-        { ahc_patch13_func, 413, 1, 1 },
-        { ahc_patch13_func, 422, 2, 1 },
-        { ahc_patch14_func, 424, 1, 1 },
-        { ahc_patch9_func, 426, 1, 2 },
-        { ahc_patch0_func, 427, 1, 1 },
-        { ahc_patch7_func, 428, 1, 1 },
+        { ahc_patch1_func, 249, 1, 2 },
+        { ahc_patch0_func, 250, 2, 2 },
+        { ahc_patch11_func, 251, 1, 1 },
+        { ahc_patch9_func, 259, 27, 3 },
+        { ahc_patch1_func, 275, 10, 2 },
+        { ahc_patch13_func, 278, 1, 1 },
+        { ahc_patch14_func, 286, 14, 1 },
+        { ahc_patch1_func, 302, 1, 2 },
+        { ahc_patch0_func, 303, 1, 1 },
+        { ahc_patch9_func, 306, 1, 1 },
+        { ahc_patch13_func, 311, 1, 1 },
+        { ahc_patch9_func, 312, 2, 2 },
+        { ahc_patch0_func, 314, 4, 1 },
+        { ahc_patch14_func, 318, 1, 1 },
+        { ahc_patch15_func, 320, 2, 3 },
+        { ahc_patch9_func, 320, 1, 2 },
+        { ahc_patch0_func, 321, 1, 1 },
+        { ahc_patch6_func, 326, 1, 2 },
+        { ahc_patch0_func, 327, 1, 1 },
+        { ahc_patch1_func, 331, 47, 11 },
+        { ahc_patch6_func, 338, 2, 4 },
+        { ahc_patch7_func, 338, 1, 1 },
+        { ahc_patch8_func, 339, 1, 1 },
+        { ahc_patch0_func, 340, 1, 1 },
+        { ahc_patch16_func, 341, 1, 1 },
+        { ahc_patch6_func, 357, 6, 3 },
+        { ahc_patch16_func, 357, 5, 1 },
+        { ahc_patch0_func, 363, 7, 1 },
+        { ahc_patch13_func, 373, 5, 1 },
+        { ahc_patch0_func, 378, 52, 17 },
+        { ahc_patch14_func, 378, 1, 1 },
+        { ahc_patch7_func, 380, 2, 2 },
+        { ahc_patch17_func, 381, 1, 1 },
+        { ahc_patch9_func, 384, 1, 1 },
+        { ahc_patch18_func, 391, 1, 1 },
+        { ahc_patch14_func, 396, 9, 3 },
+        { ahc_patch9_func, 397, 3, 2 },
+        { ahc_patch0_func, 400, 3, 1 },
+        { ahc_patch9_func, 408, 6, 2 },
+        { ahc_patch0_func, 414, 9, 2 },
+        { ahc_patch13_func, 414, 1, 1 },
+        { ahc_patch13_func, 423, 2, 1 },
+        { ahc_patch14_func, 425, 1, 1 },
+        { ahc_patch9_func, 427, 1, 2 },
+        { ahc_patch0_func, 428, 1, 1 },
         { ahc_patch7_func, 429, 1, 1 },
-        { ahc_patch8_func, 430, 3, 3 },
-        { ahc_patch6_func, 431, 1, 2 },
-        { ahc_patch0_func, 432, 1, 1 },
-        { ahc_patch9_func, 433, 1, 1 },
-        { ahc_patch15_func, 434, 1, 2 },
-        { ahc_patch13_func, 434, 1, 1 },
-        { ahc_patch14_func, 436, 9, 4 },
-        { ahc_patch9_func, 436, 1, 1 },
-        { ahc_patch9_func, 443, 2, 1 },
-        { ahc_patch0_func, 445, 4, 3 },
-        { ahc_patch9_func, 445, 1, 2 },
-        { ahc_patch0_func, 446, 3, 1 },
-        { ahc_patch1_func, 450, 2, 1 },
-        { ahc_patch7_func, 452, 10, 2 },
-        { ahc_patch0_func, 462, 1, 1 },
-        { ahc_patch8_func, 463, 118, 22 },
-        { ahc_patch1_func, 465, 3, 2 },
-        { ahc_patch0_func, 468, 5, 3 },
-        { ahc_patch9_func, 468, 2, 2 },
-        { ahc_patch0_func, 470, 3, 1 },
-        { ahc_patch1_func, 475, 2, 2 },
-        { ahc_patch0_func, 477, 6, 3 },
-        { ahc_patch9_func, 477, 2, 2 },
-        { ahc_patch0_func, 479, 3, 1 },
-        { ahc_patch1_func, 485, 2, 2 },
-        { ahc_patch0_func, 487, 9, 7 },
-        { ahc_patch9_func, 487, 5, 6 },
-        { ahc_patch19_func, 487, 1, 2 },
-        { ahc_patch0_func, 488, 1, 1 },
-        { ahc_patch19_func, 490, 1, 2 },
-        { ahc_patch0_func, 491, 1, 1 },
-        { ahc_patch0_func, 492, 4, 1 },
-        { ahc_patch6_func, 497, 3, 2 },
-        { ahc_patch0_func, 500, 1, 1 },
-        { ahc_patch6_func, 510, 1, 2 },
-        { ahc_patch0_func, 511, 1, 1 },
-        { ahc_patch20_func, 548, 7, 1 },
-        { ahc_patch3_func, 583, 1, 2 },
-        { ahc_patch0_func, 584, 1, 1 },
-        { ahc_patch21_func, 587, 1, 1 },
-        { ahc_patch8_func, 589, 106, 33 },
-        { ahc_patch4_func, 591, 1, 1 },
-        { ahc_patch1_func, 597, 2, 2 },
-        { ahc_patch0_func, 599, 1, 1 },
-        { ahc_patch1_func, 602, 1, 2 },
-        { ahc_patch0_func, 603, 1, 1 },
-        { ahc_patch9_func, 604, 3, 3 },
-        { ahc_patch15_func, 605, 1, 1 },
-        { ahc_patch0_func, 607, 4, 1 },
-        { ahc_patch19_func, 616, 2, 2 },
-        { ahc_patch0_func, 618, 1, 1 },
-        { ahc_patch19_func, 622, 10, 3 },
-        { ahc_patch5_func, 624, 8, 1 },
-        { ahc_patch0_func, 632, 9, 2 },
-        { ahc_patch5_func, 633, 8, 1 },
-        { ahc_patch4_func, 643, 1, 2 },
-        { ahc_patch0_func, 644, 1, 1 },
-        { ahc_patch19_func, 645, 1, 2 },
-        { ahc_patch0_func, 646, 3, 2 },
-        { ahc_patch4_func, 648, 1, 1 },
-        { ahc_patch5_func, 649, 1, 1 },
-        { ahc_patch5_func, 652, 1, 1 },
-        { ahc_patch5_func, 654, 1, 1 },
-        { ahc_patch4_func, 656, 2, 2 },
-        { ahc_patch0_func, 658, 2, 1 },
-        { ahc_patch5_func, 660, 1, 1 },
-        { ahc_patch5_func, 663, 1, 1 },
-        { ahc_patch5_func, 666, 1, 1 },
-        { ahc_patch19_func, 670, 1, 1 },
-        { ahc_patch19_func, 673, 1, 1 },
-        { ahc_patch4_func, 679, 1, 1 },
-        { ahc_patch6_func, 682, 1, 2 },
-        { ahc_patch0_func, 683, 1, 1 },
-        { ahc_patch7_func, 695, 16, 1 },
-        { ahc_patch4_func, 711, 20, 1 },
-        { ahc_patch9_func, 732, 4, 2 },
-        { ahc_patch0_func, 736, 4, 1 },
-        { ahc_patch9_func, 740, 4, 2 },
-        { ahc_patch0_func, 744, 3, 1 },
-        { ahc_patch6_func, 750, 1, 1 },
-        { ahc_patch22_func, 752, 14, 1 },
-        { ahc_patch7_func, 766, 3, 1 },
-        { ahc_patch9_func, 778, 24, 8 },
-        { ahc_patch19_func, 782, 1, 2 },
-        { ahc_patch0_func, 783, 1, 1 },
-        { ahc_patch15_func, 788, 4, 2 },
-        { ahc_patch0_func, 792, 7, 3 },
-        { ahc_patch23_func, 792, 5, 2 },
-        { ahc_patch0_func, 797, 2, 1 },
-        { ahc_patch0_func, 802, 42, 3 },
-        { ahc_patch18_func, 814, 18, 2 },
-        { ahc_patch0_func, 832, 1, 1 },
-        { ahc_patch4_func, 856, 1, 1 },
-        { ahc_patch4_func, 857, 3, 2 },
-        { ahc_patch0_func, 860, 1, 1 },
-        { ahc_patch13_func, 861, 3, 1 },
-        { ahc_patch4_func, 864, 12, 1 }
+        { ahc_patch7_func, 430, 1, 1 },
+        { ahc_patch8_func, 431, 3, 3 },
+        { ahc_patch6_func, 432, 1, 2 },
+        { ahc_patch0_func, 433, 1, 1 },
+        { ahc_patch9_func, 434, 1, 1 },
+        { ahc_patch15_func, 435, 1, 2 },
+        { ahc_patch13_func, 435, 1, 1 },
+        { ahc_patch14_func, 437, 9, 4 },
+        { ahc_patch9_func, 437, 1, 1 },
+        { ahc_patch9_func, 444, 2, 1 },
+        { ahc_patch0_func, 446, 4, 3 },
+        { ahc_patch9_func, 446, 1, 2 },
+        { ahc_patch0_func, 447, 3, 1 },
+        { ahc_patch1_func, 451, 2, 1 },
+        { ahc_patch7_func, 453, 10, 2 },
+        { ahc_patch0_func, 463, 1, 1 },
+        { ahc_patch8_func, 464, 118, 22 },
+        { ahc_patch1_func, 466, 3, 2 },
+        { ahc_patch0_func, 469, 5, 3 },
+        { ahc_patch9_func, 469, 2, 2 },
+        { ahc_patch0_func, 471, 3, 1 },
+        { ahc_patch1_func, 476, 2, 2 },
+        { ahc_patch0_func, 478, 6, 3 },
+        { ahc_patch9_func, 478, 2, 2 },
+        { ahc_patch0_func, 480, 3, 1 },
+        { ahc_patch1_func, 486, 2, 2 },
+        { ahc_patch0_func, 488, 9, 7 },
+        { ahc_patch9_func, 488, 5, 6 },
+        { ahc_patch19_func, 488, 1, 2 },
+        { ahc_patch0_func, 489, 1, 1 },
+        { ahc_patch19_func, 491, 1, 2 },
+        { ahc_patch0_func, 492, 1, 1 },
+        { ahc_patch0_func, 493, 4, 1 },
+        { ahc_patch6_func, 498, 3, 2 },
+        { ahc_patch0_func, 501, 1, 1 },
+        { ahc_patch6_func, 511, 1, 2 },
+        { ahc_patch0_func, 512, 1, 1 },
+        { ahc_patch20_func, 549, 7, 1 },
+        { ahc_patch3_func, 584, 1, 2 },
+        { ahc_patch0_func, 585, 1, 1 },
+        { ahc_patch21_func, 588, 1, 1 },
+        { ahc_patch8_func, 590, 106, 33 },
+        { ahc_patch4_func, 592, 1, 1 },
+        { ahc_patch1_func, 598, 2, 2 },
+        { ahc_patch0_func, 600, 1, 1 },
+        { ahc_patch1_func, 603, 1, 2 },
+        { ahc_patch0_func, 604, 1, 1 },
+        { ahc_patch9_func, 605, 3, 3 },
+        { ahc_patch15_func, 606, 1, 1 },
+        { ahc_patch0_func, 608, 4, 1 },
+        { ahc_patch19_func, 617, 2, 2 },
+        { ahc_patch0_func, 619, 1, 1 },
+        { ahc_patch19_func, 623, 10, 3 },
+        { ahc_patch5_func, 625, 8, 1 },
+        { ahc_patch0_func, 633, 9, 2 },
+        { ahc_patch5_func, 634, 8, 1 },
+        { ahc_patch4_func, 644, 1, 2 },
+        { ahc_patch0_func, 645, 1, 1 },
+        { ahc_patch19_func, 646, 1, 2 },
+        { ahc_patch0_func, 647, 3, 2 },
+        { ahc_patch4_func, 649, 1, 1 },
+        { ahc_patch5_func, 650, 1, 1 },
+        { ahc_patch5_func, 653, 1, 1 },
+        { ahc_patch5_func, 655, 1, 1 },
+        { ahc_patch4_func, 657, 2, 2 },
+        { ahc_patch0_func, 659, 2, 1 },
+        { ahc_patch5_func, 661, 1, 1 },
+        { ahc_patch5_func, 664, 1, 1 },
+        { ahc_patch5_func, 667, 1, 1 },
+        { ahc_patch19_func, 671, 1, 1 },
+        { ahc_patch19_func, 674, 1, 1 },
+        { ahc_patch4_func, 680, 1, 1 },
+        { ahc_patch6_func, 683, 1, 2 },
+        { ahc_patch0_func, 684, 1, 1 },
+        { ahc_patch7_func, 696, 16, 1 },
+        { ahc_patch4_func, 712, 20, 1 },
+        { ahc_patch9_func, 733, 4, 2 },
+        { ahc_patch0_func, 737, 4, 1 },
+        { ahc_patch9_func, 741, 4, 2 },
+        { ahc_patch0_func, 745, 3, 1 },
+        { ahc_patch6_func, 751, 1, 1 },
+        { ahc_patch22_func, 753, 14, 1 },
+        { ahc_patch7_func, 767, 3, 1 },
+        { ahc_patch9_func, 779, 24, 8 },
+        { ahc_patch19_func, 783, 1, 2 },
+        { ahc_patch0_func, 784, 1, 1 },
+        { ahc_patch15_func, 789, 4, 2 },
+        { ahc_patch0_func, 793, 7, 3 },
+        { ahc_patch23_func, 793, 5, 2 },
+        { ahc_patch0_func, 798, 2, 1 },
+        { ahc_patch0_func, 803, 42, 3 },
+        { ahc_patch18_func, 815, 18, 2 },
+        { ahc_patch0_func, 833, 1, 1 },
+        { ahc_patch4_func, 857, 1, 1 },
+        { ahc_patch4_func, 858, 3, 2 },
+        { ahc_patch0_func, 861, 1, 1 },
+        { ahc_patch13_func, 862, 3, 1 },
+        { ahc_patch4_func, 865, 12, 1 }
 };
 
 static struct cs {
@@ -1296,11 +1297,11 @@ static struct cs {
 } critical_sections[] = {
         { 11, 18 },
         { 21, 30 },
-        { 711, 727 },
-        { 857, 860 },
-        { 864, 870 },
-        { 872, 874 },
-        { 874, 876 }
+        { 712, 728 },
+        { 858, 861 },
+        { 865, 871 },
+        { 873, 875 },
+        { 875, 877 }
 };
 
 static const int num_critical_sections = sizeof(critical_sections)
diff --git a/drivers/scsi/aic7xxx/aiclib.c b/drivers/scsi/aic7xxx/aiclib.c
index 7c5a6db0e672..828ae3d9a510 100644
--- a/drivers/scsi/aic7xxx/aiclib.c
+++ b/drivers/scsi/aic7xxx/aiclib.c
@@ -30,1382 +30,5 @@
  * $Id$
  */
 
-#include <linux/blkdev.h>
-#include <linux/delay.h>
-#include <linux/version.h>
-
-/* Core SCSI definitions */
-#include <scsi/scsi_host.h>
 #include "aiclib.h"
-#include "cam.h"
-
-#ifndef FALSE
-#define FALSE   0
-#endif /* FALSE */
-#ifndef TRUE
-#define TRUE    1
-#endif /* TRUE */
-#ifndef ERESTART
-#define ERESTART        -1              /* restart syscall */
-#endif
-#ifndef EJUSTRETURN
-#define EJUSTRETURN     -2              /* don't modify regs, just return */
-#endif
-
-static int      ascentrycomp(const void *key, const void *member);
-static int      senseentrycomp(const void *key, const void *member);
-static void     fetchtableentries(int sense_key, int asc, int ascq,
-                                  struct scsi_inquiry_data *,
-                                  const struct sense_key_table_entry **,
-                                  const struct asc_table_entry **);
-static void *   scsibsearch(const void *key, const void *base, size_t nmemb,
-                            size_t size,
-                            int (*compar)(const void *, const void *));
-typedef int (cam_quirkmatch_t)(caddr_t, caddr_t);
-static int      cam_strmatch(const u_int8_t *str, const u_int8_t *pattern,
-                             int str_len);
-static caddr_t  cam_quirkmatch(caddr_t target, caddr_t quirk_table,
-                               int num_entries, int entry_size,
-                               cam_quirkmatch_t *comp_func);
-
-#define SCSI_NO_SENSE_STRINGS 1
-#if !defined(SCSI_NO_SENSE_STRINGS)
-#define SST(asc, ascq, action, desc) \
-        asc, ascq, action, desc
-#else 
-static const char empty_string[] = "";
-
-#define SST(asc, ascq, action, desc) \
-        asc, ascq, action, empty_string
-#endif 
-
-static const struct sense_key_table_entry sense_key_table[] = 
-{
-        { SSD_KEY_NO_SENSE, SS_NOP, "NO SENSE" },
-        { SSD_KEY_RECOVERED_ERROR, SS_NOP|SSQ_PRINT_SENSE, "RECOVERED ERROR" },
-        {
-          SSD_KEY_NOT_READY, SS_TUR|SSQ_MANY|SSQ_DECREMENT_COUNT|EBUSY,
-          "NOT READY"
-        },
-        { SSD_KEY_MEDIUM_ERROR, SS_RDEF, "MEDIUM ERROR" },
-        { SSD_KEY_HARDWARE_ERROR, SS_RDEF, "HARDWARE FAILURE" },
-        { SSD_KEY_ILLEGAL_REQUEST, SS_FATAL|EINVAL, "ILLEGAL REQUEST" },
-        { SSD_KEY_UNIT_ATTENTION, SS_FATAL|ENXIO, "UNIT ATTENTION" },
-        { SSD_KEY_DATA_PROTECT, SS_FATAL|EACCES, "DATA PROTECT" },
-        { SSD_KEY_BLANK_CHECK, SS_FATAL|ENOSPC, "BLANK CHECK" },
-        { SSD_KEY_Vendor_Specific, SS_FATAL|EIO, "Vendor Specific" },
-        { SSD_KEY_COPY_ABORTED, SS_FATAL|EIO, "COPY ABORTED" },
-        { SSD_KEY_ABORTED_COMMAND, SS_RDEF, "ABORTED COMMAND" },
-        { SSD_KEY_EQUAL, SS_NOP, "EQUAL" },
-        { SSD_KEY_VOLUME_OVERFLOW, SS_FATAL|EIO, "VOLUME OVERFLOW" },
-        { SSD_KEY_MISCOMPARE, SS_NOP, "MISCOMPARE" },
-        { SSD_KEY_RESERVED, SS_FATAL|EIO, "RESERVED" }
-};
-
-static const int sense_key_table_size =
-    sizeof(sense_key_table)/sizeof(sense_key_table[0]);
-
-static struct asc_table_entry quantum_fireball_entries[] = {
-        {SST(0x04, 0x0b, SS_START|SSQ_DECREMENT_COUNT|ENXIO, 
-             "Logical unit not ready, initializing cmd. required")}
-};
-
-static struct asc_table_entry sony_mo_entries[] = {
-        {SST(0x04, 0x00, SS_START|SSQ_DECREMENT_COUNT|ENXIO,
-             "Logical unit not ready, cause not reportable")}
-};
-
-static struct scsi_sense_quirk_entry sense_quirk_table[] = {
-        {
-                /*
-                 * The Quantum Fireball ST and SE like to return 0x04 0x0b when
-                 * they really should return 0x04 0x02.  0x04,0x0b isn't
-                 * defined in any SCSI spec, and it isn't mentioned in the
-                 * hardware manual for these drives.
-                 */
-                {T_DIRECT, SIP_MEDIA_FIXED, "QUANTUM", "FIREBALL S*", "*"},
-                /*num_sense_keys*/0,
-                sizeof(quantum_fireball_entries)/sizeof(struct asc_table_entry),
-                /*sense key entries*/NULL,
-                quantum_fireball_entries
-        },
-        {
-                /*
-                 * This Sony MO drive likes to return 0x04, 0x00 when it
-                 * isn't spun up.
-                 */
-                {T_DIRECT, SIP_MEDIA_REMOVABLE, "SONY", "SMO-*", "*"},
-                /*num_sense_keys*/0,
-                sizeof(sony_mo_entries)/sizeof(struct asc_table_entry),
-                /*sense key entries*/NULL,
-                sony_mo_entries
-        }
-};
-
-static const int sense_quirk_table_size =
-    sizeof(sense_quirk_table)/sizeof(sense_quirk_table[0]);
-
-static struct asc_table_entry asc_table[] = {
-/*
- * From File: ASC-NUM.TXT
- * SCSI ASC/ASCQ Assignments
- * Numeric Sorted Listing
- * as of  5/12/97
- *
- * D - DIRECT ACCESS DEVICE (SBC)                     device column key
- * .T - SEQUENTIAL ACCESS DEVICE (SSC)               -------------------
- * . L - PRINTER DEVICE (SSC)                           blank = reserved
- * .  P - PROCESSOR DEVICE (SPC)                     not blank = allowed
- * .  .W - WRITE ONCE READ MULTIPLE DEVICE (SBC)
- * .  . R - CD DEVICE (MMC)
- * .  .  S - SCANNER DEVICE (SGC)
- * .  .  .O - OPTICAL MEMORY DEVICE (SBC)
- * .  .  . M - MEDIA CHANGER DEVICE (SMC)
- * .  .  .  C - COMMUNICATION DEVICE (SSC)
- * .  .  .  .A - STORAGE ARRAY DEVICE (SCC)
- * .  .  .  . E - ENCLOSURE SERVICES DEVICE (SES)
- * DTLPWRSOMCAE        ASC   ASCQ  Action  Description
- * ------------        ----  ----  ------  -----------------------------------*/
-/* DTLPWRSOMCAE */{SST(0x00, 0x00, SS_NOP,
-                        "No additional sense information") },
-/*  T    S      */{SST(0x00, 0x01, SS_RDEF,
-                        "Filemark detected") },
-/*  T    S      */{SST(0x00, 0x02, SS_RDEF,
-                        "End-of-partition/medium detected") },
-/*  T           */{SST(0x00, 0x03, SS_RDEF,
-                        "Setmark detected") },
-/*  T    S      */{SST(0x00, 0x04, SS_RDEF,
-                        "Beginning-of-partition/medium detected") },
-/*  T    S      */{SST(0x00, 0x05, SS_RDEF,
-                        "End-of-data detected") },
-/* DTLPWRSOMCAE */{SST(0x00, 0x06, SS_RDEF,
-                        "I/O process terminated") },
-/*      R       */{SST(0x00, 0x11, SS_FATAL|EBUSY,
-                        "Audio play operation in progress") },
-/*      R       */{SST(0x00, 0x12, SS_NOP,
-                        "Audio play operation paused") },
-/*      R       */{SST(0x00, 0x13, SS_NOP,
-                        "Audio play operation successfully completed") },
-/*      R       */{SST(0x00, 0x14, SS_RDEF,
-                        "Audio play operation stopped due to error") },
-/*      R       */{SST(0x00, 0x15, SS_NOP,
-                        "No current audio status to return") },
-/* DTLPWRSOMCAE */{SST(0x00, 0x16, SS_FATAL|EBUSY,
-                        "Operation in progress") },
-/* DTL WRSOM AE */{SST(0x00, 0x17, SS_RDEF,
-                        "Cleaning requested") },
-/* D   W  O     */{SST(0x01, 0x00, SS_RDEF,
-                        "No index/sector signal") },
-/* D   WR OM    */{SST(0x02, 0x00, SS_RDEF,
-                        "No seek complete") },
-/* DTL W SO     */{SST(0x03, 0x00, SS_RDEF,
-                        "Peripheral device write fault") },
-/*  T           */{SST(0x03, 0x01, SS_RDEF,
-                        "No write current") },
-/*  T           */{SST(0x03, 0x02, SS_RDEF,
-                        "Excessive write errors") },
-/* DTLPWRSOMCAE */{SST(0x04, 0x00,
-                        SS_TUR|SSQ_DELAY|SSQ_MANY|SSQ_DECREMENT_COUNT|EIO,
-                        "Logical unit not ready, cause not reportable") },
-/* DTLPWRSOMCAE */{SST(0x04, 0x01,
-                        SS_TUR|SSQ_DELAY|SSQ_MANY|SSQ_DECREMENT_COUNT|EBUSY,
-                        "Logical unit is in process of becoming ready") },
-/* DTLPWRSOMCAE */{SST(0x04, 0x02, SS_START|SSQ_DECREMENT_COUNT|ENXIO,
-                        "Logical unit not ready, initializing cmd. required") },
-/* DTLPWRSOMCAE */{SST(0x04, 0x03, SS_FATAL|ENXIO,
-                        "Logical unit not ready, manual intervention required")},
-/* DTL    O     */{SST(0x04, 0x04, SS_FATAL|EBUSY,
-                        "Logical unit not ready, format in progress") },
-/* DT  W  OMCA  */{SST(0x04, 0x05, SS_FATAL|EBUSY,
-                        "Logical unit not ready, rebuild in progress") },
-/* DT  W  OMCA  */{SST(0x04, 0x06, SS_FATAL|EBUSY,
-                        "Logical unit not ready, recalculation in progress") },
-/* DTLPWRSOMCAE */{SST(0x04, 0x07, SS_FATAL|EBUSY,
-                        "Logical unit not ready, operation in progress") },
-/*      R       */{SST(0x04, 0x08, SS_FATAL|EBUSY,
-                        "Logical unit not ready, long write in progress") },
-/* DTL WRSOMCAE */{SST(0x05, 0x00, SS_RDEF,
-                        "Logical unit does not respond to selection") },
-/* D   WR OM    */{SST(0x06, 0x00, SS_RDEF,
-                        "No reference position found") },
-/* DTL WRSOM    */{SST(0x07, 0x00, SS_RDEF,
-                        "Multiple peripheral devices selected") },
-/* DTL WRSOMCAE */{SST(0x08, 0x00, SS_RDEF,
-                        "Logical unit communication failure") },
-/* DTL WRSOMCAE */{SST(0x08, 0x01, SS_RDEF,
-                        "Logical unit communication time-out") },
-/* DTL WRSOMCAE */{SST(0x08, 0x02, SS_RDEF,
-                        "Logical unit communication parity error") },
-/* DT   R OM    */{SST(0x08, 0x03, SS_RDEF,
-                        "Logical unit communication crc error (ultra-dma/32)")},
-/* DT  WR O     */{SST(0x09, 0x00, SS_RDEF,
-                        "Track following error") },
-/*     WR O     */{SST(0x09, 0x01, SS_RDEF,
-                        "Tracking servo failure") },
-/*     WR O     */{SST(0x09, 0x02, SS_RDEF,
-                        "Focus servo failure") },
-/*     WR O     */{SST(0x09, 0x03, SS_RDEF,
-                        "Spindle servo failure") },
-/* DT  WR O     */{SST(0x09, 0x04, SS_RDEF,
-                        "Head select fault") },
-/* DTLPWRSOMCAE */{SST(0x0A, 0x00, SS_FATAL|ENOSPC,
-                        "Error log overflow") },
-/* DTLPWRSOMCAE */{SST(0x0B, 0x00, SS_RDEF,
-                        "Warning") },
-/* DTLPWRSOMCAE */{SST(0x0B, 0x01, SS_RDEF,
-                        "Specified temperature exceeded") },
-/* DTLPWRSOMCAE */{SST(0x0B, 0x02, SS_RDEF,
-                        "Enclosure degraded") },
-/*  T   RS      */{SST(0x0C, 0x00, SS_RDEF,
-                        "Write error") },
-/* D   W  O     */{SST(0x0C, 0x01, SS_NOP|SSQ_PRINT_SENSE,
-                        "Write error - recovered with auto reallocation") },
-/* D   W  O     */{SST(0x0C, 0x02, SS_RDEF,
-                        "Write error - auto reallocation failed") },
-/* D   W  O     */{SST(0x0C, 0x03, SS_RDEF,
-                        "Write error - recommend reassignment") },
-/* DT  W  O     */{SST(0x0C, 0x04, SS_RDEF,
-                        "Compression check miscompare error") },
-/* DT  W  O     */{SST(0x0C, 0x05, SS_RDEF,
-                        "Data expansion occurred during compression") },
-/* DT  W  O     */{SST(0x0C, 0x06, SS_RDEF,
-                        "Block not compressible") },
-/*      R       */{SST(0x0C, 0x07, SS_RDEF,
-                        "Write error - recovery needed") },
-/*      R       */{SST(0x0C, 0x08, SS_RDEF,
-                        "Write error - recovery failed") },
-/*      R       */{SST(0x0C, 0x09, SS_RDEF,
-                        "Write error - loss of streaming") },
-/*      R       */{SST(0x0C, 0x0A, SS_RDEF,
-                        "Write error - padding blocks added") },
-/* D   W  O     */{SST(0x10, 0x00, SS_RDEF,
-                        "ID CRC or ECC error") },
-/* DT  WRSO     */{SST(0x11, 0x00, SS_RDEF,
-                        "Unrecovered read error") },
-/* DT  W SO     */{SST(0x11, 0x01, SS_RDEF,
-                        "Read retries exhausted") },
-/* DT  W SO     */{SST(0x11, 0x02, SS_RDEF,
-                        "Error too long to correct") },
-/* DT  W SO     */{SST(0x11, 0x03, SS_RDEF,
-                        "Multiple read errors") },
-/* D   W  O     */{SST(0x11, 0x04, SS_RDEF,
-                        "Unrecovered read error - auto reallocate failed") },
-/*     WR O     */{SST(0x11, 0x05, SS_RDEF,
-                        "L-EC uncorrectable error") },
-/*     WR O     */{SST(0x11, 0x06, SS_RDEF,
-                        "CIRC unrecovered error") },
-/*     W  O     */{SST(0x11, 0x07, SS_RDEF,
-                        "Data re-synchronization error") },
-/*  T           */{SST(0x11, 0x08, SS_RDEF,
-                        "Incomplete block read") },
-/*  T           */{SST(0x11, 0x09, SS_RDEF,
-                        "No gap found") },
-/* DT     O     */{SST(0x11, 0x0A, SS_RDEF,
-                        "Miscorrected error") },
-/* D   W  O     */{SST(0x11, 0x0B, SS_RDEF,
-                        "Unrecovered read error - recommend reassignment") },
-/* D   W  O     */{SST(0x11, 0x0C, SS_RDEF,
-                        "Unrecovered read error - recommend rewrite the data")},
-/* DT  WR O     */{SST(0x11, 0x0D, SS_RDEF,
-                        "De-compression CRC error") },
-/* DT  WR O     */{SST(0x11, 0x0E, SS_RDEF,
-                        "Cannot decompress using declared algorithm") },
-/*      R       */{SST(0x11, 0x0F, SS_RDEF,
-                        "Error reading UPC/EAN number") },
-/*      R       */{SST(0x11, 0x10, SS_RDEF,
-                        "Error reading ISRC number") },
-/*      R       */{SST(0x11, 0x11, SS_RDEF,
-                        "Read error - loss of streaming") },
-/* D   W  O     */{SST(0x12, 0x00, SS_RDEF,
-                        "Address mark not found for id field") },
-/* D   W  O     */{SST(0x13, 0x00, SS_RDEF,
-                        "Address mark not found for data field") },
-/* DTL WRSO     */{SST(0x14, 0x00, SS_RDEF,
-                        "Recorded entity not found") },
-/* DT  WR O     */{SST(0x14, 0x01, SS_RDEF,
-                        "Record not found") },
-/*  T           */{SST(0x14, 0x02, SS_RDEF,
-                        "Filemark or setmark not found") },
-/*  T           */{SST(0x14, 0x03, SS_RDEF,
-                        "End-of-data not found") },
-/*  T           */{SST(0x14, 0x04, SS_RDEF,
-                        "Block sequence error") },
-/* DT  W  O     */{SST(0x14, 0x05, SS_RDEF,
-                        "Record not found - recommend reassignment") },
-/* DT  W  O     */{SST(0x14, 0x06, SS_RDEF,
-                        "Record not found - data auto-reallocated") },
-/* DTL WRSOM    */{SST(0x15, 0x00, SS_RDEF,
-                        "Random positioning error") },
-/* DTL WRSOM    */{SST(0x15, 0x01, SS_RDEF,
-                        "Mechanical positioning error") },
-/* DT  WR O     */{SST(0x15, 0x02, SS_RDEF,
-                        "Positioning error detected by read of medium") },
-/* D   W  O     */{SST(0x16, 0x00, SS_RDEF,
-                        "Data synchronization mark error") },
-/* D   W  O     */{SST(0x16, 0x01, SS_RDEF,
-                        "Data sync error - data rewritten") },
-/* D   W  O     */{SST(0x16, 0x02, SS_RDEF,
-                        "Data sync error - recommend rewrite") },
-/* D   W  O     */{SST(0x16, 0x03, SS_NOP|SSQ_PRINT_SENSE,
-                        "Data sync error - data auto-reallocated") },
-/* D   W  O     */{SST(0x16, 0x04, SS_RDEF,
-                        "Data sync error - recommend reassignment") },
-/* DT  WRSO     */{SST(0x17, 0x00, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with no error correction applied") },
-/* DT  WRSO     */{SST(0x17, 0x01, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with retries") },
-/* DT  WR O     */{SST(0x17, 0x02, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with positive head offset") },
-/* DT  WR O     */{SST(0x17, 0x03, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with negative head offset") },
-/*     WR O     */{SST(0x17, 0x04, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with retries and/or CIRC applied") },
-/* D   WR O     */{SST(0x17, 0x05, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data using previous sector id") },
-/* D   W  O     */{SST(0x17, 0x06, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data without ECC - data auto-reallocated") },
-/* D   W  O     */{SST(0x17, 0x07, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data without ECC - recommend reassignment")},
-/* D   W  O     */{SST(0x17, 0x08, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data without ECC - recommend rewrite") },
-/* D   W  O     */{SST(0x17, 0x09, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data without ECC - data rewritten") },
-/* D   W  O     */{SST(0x18, 0x00, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with error correction applied") },
-/* D   WR O     */{SST(0x18, 0x01, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with error corr. & retries applied") },
-/* D   WR O     */{SST(0x18, 0x02, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data - data auto-reallocated") },
-/*      R       */{SST(0x18, 0x03, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with CIRC") },
-/*      R       */{SST(0x18, 0x04, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with L-EC") },
-/* D   WR O     */{SST(0x18, 0x05, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data - recommend reassignment") },
-/* D   WR O     */{SST(0x18, 0x06, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data - recommend rewrite") },
-/* D   W  O     */{SST(0x18, 0x07, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered data with ECC - data rewritten") },
-/* D      O     */{SST(0x19, 0x00, SS_RDEF,
-                        "Defect list error") },
-/* D      O     */{SST(0x19, 0x01, SS_RDEF,
-                        "Defect list not available") },
-/* D      O     */{SST(0x19, 0x02, SS_RDEF,
-                        "Defect list error in primary list") },
-/* D      O     */{SST(0x19, 0x03, SS_RDEF,
-                        "Defect list error in grown list") },
-/* DTLPWRSOMCAE */{SST(0x1A, 0x00, SS_RDEF,
-                        "Parameter list length error") },
-/* DTLPWRSOMCAE */{SST(0x1B, 0x00, SS_RDEF,
-                        "Synchronous data transfer error") },
-/* D      O     */{SST(0x1C, 0x00, SS_RDEF,
-                        "Defect list not found") },
-/* D      O     */{SST(0x1C, 0x01, SS_RDEF,
-                        "Primary defect list not found") },
-/* D      O     */{SST(0x1C, 0x02, SS_RDEF,
-                        "Grown defect list not found") },
-/* D   W  O     */{SST(0x1D, 0x00, SS_FATAL,
-                        "Miscompare during verify operation" )},
-/* D   W  O     */{SST(0x1E, 0x00, SS_NOP|SSQ_PRINT_SENSE,
-                        "Recovered id with ecc correction") },
-/* D      O     */{SST(0x1F, 0x00, SS_RDEF,
-                        "Partial defect list transfer") },
-/* DTLPWRSOMCAE */{SST(0x20, 0x00, SS_FATAL|EINVAL,
-                        "Invalid command operation code") },
-/* DT  WR OM    */{SST(0x21, 0x00, SS_FATAL|EINVAL,
-                        "Logical block address out of range" )},
-/* DT  WR OM    */{SST(0x21, 0x01, SS_FATAL|EINVAL,
-                        "Invalid element address") },
-/* D            */{SST(0x22, 0x00, SS_FATAL|EINVAL,
-                        "Illegal function") }, /* Deprecated. Use 20 00, 24 00, or 26 00 instead */
-/* DTLPWRSOMCAE */{SST(0x24, 0x00, SS_FATAL|EINVAL,
-                        "Invalid field in CDB") },
-/* DTLPWRSOMCAE */{SST(0x25, 0x00, SS_FATAL|ENXIO,
-                        "Logical unit not supported") },
-/* DTLPWRSOMCAE */{SST(0x26, 0x00, SS_FATAL|EINVAL,
-                        "Invalid field in parameter list") },
-/* DTLPWRSOMCAE */{SST(0x26, 0x01, SS_FATAL|EINVAL,
-                        "Parameter not supported") },
-/* DTLPWRSOMCAE */{SST(0x26, 0x02, SS_FATAL|EINVAL,
-                        "Parameter value invalid") },
-/* DTLPWRSOMCAE */{SST(0x26, 0x03, SS_FATAL|EINVAL,
-                        "Threshold parameters not supported") },
-/* DTLPWRSOMCAE */{SST(0x26, 0x04, SS_FATAL|EINVAL,
-                        "Invalid release of active persistent reservation") },
-/* DT  W  O     */{SST(0x27, 0x00, SS_FATAL|EACCES,
-                        "Write protected") },
-/* DT  W  O     */{SST(0x27, 0x01, SS_FATAL|EACCES,
-                        "Hardware write protected") },
-/* DT  W  O     */{SST(0x27, 0x02, SS_FATAL|EACCES,
-                        "Logical unit software write protected") },
-/*  T           */{SST(0x27, 0x03, SS_FATAL|EACCES,
-                        "Associated write protect") },
-/*  T           */{SST(0x27, 0x04, SS_FATAL|EACCES,
-                        "Persistent write protect") },
-/*  T           */{SST(0x27, 0x05, SS_FATAL|EACCES,
-                        "Permanent write protect") },
-/* DTLPWRSOMCAE */{SST(0x28, 0x00, SS_RDEF,
-                        "Not ready to ready change, medium may have changed") },
-/* DTLPWRSOMCAE */{SST(0x28, 0x01, SS_FATAL|ENXIO,
-                        "Import or export element accessed") },
-/*
- * XXX JGibbs - All of these should use the same errno, but I don't think
- * ENXIO is the correct choice.  Should we borrow from the networking
- * errnos?  ECONNRESET anyone?
- */
-/* DTLPWRSOMCAE */{SST(0x29, 0x00, SS_RDEF,
-                        "Power on, reset, or bus device reset occurred") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x01, SS_RDEF,
-                        "Power on occurred") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x02, SS_RDEF,
-                        "Scsi bus reset occurred") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x03, SS_RDEF,
-                        "Bus device reset function occurred") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x04, SS_RDEF,
-                        "Device internal reset") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x05, SS_RDEF,
-                        "Transceiver mode changed to single-ended") },
-/* DTLPWRSOMCAE */{SST(0x29, 0x06, SS_RDEF,
-                        "Transceiver mode changed to LVD") },
-/* DTL WRSOMCAE */{SST(0x2A, 0x00, SS_RDEF,
-                        "Parameters changed") },
-/* DTL WRSOMCAE */{SST(0x2A, 0x01, SS_RDEF,
-                        "Mode parameters changed") },
-/* DTL WRSOMCAE */{SST(0x2A, 0x02, SS_RDEF,
-                        "Log parameters changed") },
-/* DTLPWRSOMCAE */{SST(0x2A, 0x03, SS_RDEF,
-                        "Reservations preempted") },
-/* DTLPWRSO C   */{SST(0x2B, 0x00, SS_RDEF,
-                        "Copy cannot execute since host cannot disconnect") },
-/* DTLPWRSOMCAE */{SST(0x2C, 0x00, SS_RDEF,
-                        "Command sequence error") },
-/*       S      */{SST(0x2C, 0x01, SS_RDEF,
-                        "Too many windows specified") },
-/*       S      */{SST(0x2C, 0x02, SS_RDEF,
-                        "Invalid combination of windows specified") },
-/*      R       */{SST(0x2C, 0x03, SS_RDEF,
-                        "Current program area is not empty") },
-/*      R       */{SST(0x2C, 0x04, SS_RDEF,
-                        "Current program area is empty") },
-/*  T           */{SST(0x2D, 0x00, SS_RDEF,
-                        "Overwrite error on update in place") },
-/* DTLPWRSOMCAE */{SST(0x2F, 0x00, SS_RDEF,
-                        "Commands cleared by another initiator") },
-/* DT  WR OM    */{SST(0x30, 0x00, SS_RDEF,
-                        "Incompatible medium installed") },
-/* DT  WR O     */{SST(0x30, 0x01, SS_RDEF,
-                        "Cannot read medium - unknown format") },
-/* DT  WR O     */{SST(0x30, 0x02, SS_RDEF,
-                        "Cannot read medium - incompatible format") },
-/* DT           */{SST(0x30, 0x03, SS_RDEF,
-                        "Cleaning cartridge installed") },
-/* DT  WR O     */{SST(0x30, 0x04, SS_RDEF,
-                        "Cannot write medium - unknown format") },
-/* DT  WR O     */{SST(0x30, 0x05, SS_RDEF,
-                        "Cannot write medium - incompatible format") },
-/* DT  W  O     */{SST(0x30, 0x06, SS_RDEF,
-                        "Cannot format medium - incompatible medium") },
-/* DTL WRSOM AE */{SST(0x30, 0x07, SS_RDEF,
-                        "Cleaning failure") },
-/*      R       */{SST(0x30, 0x08, SS_RDEF,
-                        "Cannot write - application code mismatch") },
-/*      R       */{SST(0x30, 0x09, SS_RDEF,
-                        "Current session not fixated for append") },
-/* DT  WR O     */{SST(0x31, 0x00, SS_RDEF,
-                        "Medium format corrupted") },
-/* D L  R O     */{SST(0x31, 0x01, SS_RDEF,
-                        "Format command failed") },
-/* D   W  O     */{SST(0x32, 0x00, SS_RDEF,
-                        "No defect spare location available") },
-/* D   W  O     */{SST(0x32, 0x01, SS_RDEF,
-                        "Defect list update failure") },
-/*  T           */{SST(0x33, 0x00, SS_RDEF,
-                        "Tape length error") },
-/* DTLPWRSOMCAE */{SST(0x34, 0x00, SS_RDEF,
-                        "Enclosure failure") },
-/* DTLPWRSOMCAE */{SST(0x35, 0x00, SS_RDEF,
-                        "Enclosure services failure") },
-/* DTLPWRSOMCAE */{SST(0x35, 0x01, SS_RDEF,
-                        "Unsupported enclosure function") },
-/* DTLPWRSOMCAE */{SST(0x35, 0x02, SS_RDEF,
-                        "Enclosure services unavailable") },
-/* DTLPWRSOMCAE */{SST(0x35, 0x03, SS_RDEF,
-                        "Enclosure services transfer failure") },
-/* DTLPWRSOMCAE */{SST(0x35, 0x04, SS_RDEF,
-                        "Enclosure services transfer refused") },
-/*   L          */{SST(0x36, 0x00, SS_RDEF,
-                        "Ribbon, ink, or toner failure") },
-/* DTL WRSOMCAE */{SST(0x37, 0x00, SS_RDEF,
-                        "Rounded parameter") },
-/* DTL WRSOMCAE */{SST(0x39, 0x00, SS_RDEF,
-                        "Saving parameters not supported") },
-/* DTL WRSOM    */{SST(0x3A, 0x00, SS_NOP,
-                        "Medium not present") },
-/* DT  WR OM    */{SST(0x3A, 0x01, SS_NOP,
-                        "Medium not present - tray closed") },
-/* DT  WR OM    */{SST(0x3A, 0x01, SS_NOP,
-                        "Medium not present - tray open") },
-/* DT  WR OM    */{SST(0x3A, 0x03, SS_NOP,
-                        "Medium not present - Loadable") },
-/* DT  WR OM    */{SST(0x3A, 0x04, SS_NOP,
-                        "Medium not present - medium auxiliary "
-                        "memory accessible") },
-/* DT  WR OM    */{SST(0x3A, 0xFF, SS_NOP, NULL) },/* Range 0x05->0xFF */
-/*  TL          */{SST(0x3B, 0x00, SS_RDEF,
-                        "Sequential positioning error") },
-/*  T           */{SST(0x3B, 0x01, SS_RDEF,
-                        "Tape position error at beginning-of-medium") },
-/*  T           */{SST(0x3B, 0x02, SS_RDEF,
-                        "Tape position error at end-of-medium") },
-/*   L          */{SST(0x3B, 0x03, SS_RDEF,
-                        "Tape or electronic vertical forms unit not ready") },
-/*   L          */{SST(0x3B, 0x04, SS_RDEF,
-                        "Slew failure") },
-/*   L          */{SST(0x3B, 0x05, SS_RDEF,
-                        "Paper jam") },
-/*   L          */{SST(0x3B, 0x06, SS_RDEF,
-                        "Failed to sense top-of-form") },
-/*   L          */{SST(0x3B, 0x07, SS_RDEF,
-                        "Failed to sense bottom-of-form") },
-/*  T           */{SST(0x3B, 0x08, SS_RDEF,
-                        "Reposition error") },
-/*       S      */{SST(0x3B, 0x09, SS_RDEF,
-                        "Read past end of medium") },
-/*       S      */{SST(0x3B, 0x0A, SS_RDEF,
-                        "Read past beginning of medium") },
-/*       S      */{SST(0x3B, 0x0B, SS_RDEF,
-                        "Position past end of medium") },
-/*  T    S      */{SST(0x3B, 0x0C, SS_RDEF,
-                        "Position past beginning of medium") },
-/* DT  WR OM    */{SST(0x3B, 0x0D, SS_FATAL|ENOSPC,
-                        "Medium destination element full") },
-/* DT  WR OM    */{SST(0x3B, 0x0E, SS_RDEF,
-                        "Medium source element empty") },
-/*      R       */{SST(0x3B, 0x0F, SS_RDEF,
-                        "End of medium reached") },
-/* DT  WR OM    */{SST(0x3B, 0x11, SS_RDEF,
-                        "Medium magazine not accessible") },
-/* DT  WR OM    */{SST(0x3B, 0x12, SS_RDEF,
-                        "Medium magazine removed") },
-/* DT  WR OM    */{SST(0x3B, 0x13, SS_RDEF,
-                        "Medium magazine inserted") },
-/* DT  WR OM    */{SST(0x3B, 0x14, SS_RDEF,
-                        "Medium magazine locked") },
-/* DT  WR OM    */{SST(0x3B, 0x15, SS_RDEF,
-                        "Medium magazine unlocked") },
-/* DTLPWRSOMCAE */{SST(0x3D, 0x00, SS_RDEF,
-                        "Invalid bits in identify message") },
-/* DTLPWRSOMCAE */{SST(0x3E, 0x00, SS_RDEF,
-                        "Logical unit has not self-configured yet") },
-/* DTLPWRSOMCAE */{SST(0x3E, 0x01, SS_RDEF,
-                        "Logical unit failure") },
-/* DTLPWRSOMCAE */{SST(0x3E, 0x02, SS_RDEF,
-                        "Timeout on logical unit") },
-/* DTLPWRSOMCAE */{SST(0x3F, 0x00, SS_RDEF,
-                        "Target operating conditions have changed") },
-/* DTLPWRSOMCAE */{SST(0x3F, 0x01, SS_RDEF,
-                        "Microcode has been changed") },
-/* DTLPWRSOMC   */{SST(0x3F, 0x02, SS_RDEF,
-                        "Changed operating definition") },
-/* DTLPWRSOMCAE */{SST(0x3F, 0x03, SS_INQ_REFRESH|SSQ_DECREMENT_COUNT,
-                        "Inquiry data has changed") },
-/* DT  WR OMCAE */{SST(0x3F, 0x04, SS_RDEF,
-                        "Component device attached") },
-/* DT  WR OMCAE */{SST(0x3F, 0x05, SS_RDEF,
-                        "Device identifier changed") },
-/* DT  WR OMCAE */{SST(0x3F, 0x06, SS_RDEF,
-                        "Redundancy group created or modified") },
-/* DT  WR OMCAE */{SST(0x3F, 0x07, SS_RDEF,
-                        "Redundancy group deleted") },
-/* DT  WR OMCAE */{SST(0x3F, 0x08, SS_RDEF,
-                        "Spare created or modified") },
-/* DT  WR OMCAE */{SST(0x3F, 0x09, SS_RDEF,
-                        "Spare deleted") },
-/* DT  WR OMCAE */{SST(0x3F, 0x0A, SS_RDEF,
-                        "Volume set created or modified") },
-/* DT  WR OMCAE */{SST(0x3F, 0x0B, SS_RDEF,
-                        "Volume set deleted") },
-/* DT  WR OMCAE */{SST(0x3F, 0x0C, SS_RDEF,
-                        "Volume set deassigned") },
-/* DT  WR OMCAE */{SST(0x3F, 0x0D, SS_RDEF,
-                        "Volume set reassigned") },
-/* DTLPWRSOMCAE */{SST(0x3F, 0x0E, SS_RDEF,
-                        "Reported luns data has changed") },
-/* DTLPWRSOMCAE */{SST(0x3F, 0x0F, SS_RETRY|SSQ_DECREMENT_COUNT
-                                 | SSQ_DELAY_RANDOM|EBUSY,
-                        "Echo buffer overwritten") },
-/* DT  WR OM   B*/{SST(0x3F, 0x0F, SS_RDEF, "Medium Loadable") },
-/* DT  WR OM   B*/{SST(0x3F, 0x0F, SS_RDEF,
-                        "Medium auxiliary memory accessible") },
-/* D            */{SST(0x40, 0x00, SS_RDEF,
-                        "Ram failure") }, /* deprecated - use 40 NN instead */
-/* DTLPWRSOMCAE */{SST(0x40, 0x80, SS_RDEF,
-                        "Diagnostic failure: ASCQ = Component ID") },
-/* DTLPWRSOMCAE */{SST(0x40, 0xFF, SS_RDEF|SSQ_RANGE,
-                        NULL) },/* Range 0x80->0xFF */
-/* D            */{SST(0x41, 0x00, SS_RDEF,
-                        "Data path failure") }, /* deprecated - use 40 NN instead */
-/* D            */{SST(0x42, 0x00, SS_RDEF,
-                        "Power-on or self-test failure") }, /* deprecated - use 40 NN instead */
-/* DTLPWRSOMCAE */{SST(0x43, 0x00, SS_RDEF,
-                        "Message error") },
-/* DTLPWRSOMCAE */{SST(0x44, 0x00, SS_RDEF,
-                        "Internal target failure") },
-/* DTLPWRSOMCAE */{SST(0x45, 0x00, SS_RDEF,
-                        "Select or reselect failure") },
-/* DTLPWRSOMC   */{SST(0x46, 0x00, SS_RDEF,
-                        "Unsuccessful soft reset") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x00, SS_RDEF|SSQ_FALLBACK,
-                        "SCSI parity error") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x01, SS_RDEF|SSQ_FALLBACK,
-                        "Data Phase CRC error detected") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x02, SS_RDEF|SSQ_FALLBACK,
-                        "SCSI parity error detected during ST data phase") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x03, SS_RDEF|SSQ_FALLBACK,
-                        "Information Unit iuCRC error") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x04, SS_RDEF|SSQ_FALLBACK,
-                        "Asynchronous information protection error detected") },
-/* DTLPWRSOMCAE */{SST(0x47, 0x05, SS_RDEF|SSQ_FALLBACK,
-                        "Protocol server CRC error") },
-/* DTLPWRSOMCAE */{SST(0x48, 0x00, SS_RDEF|SSQ_FALLBACK,
-                        "Initiator detected error message received") },
-/* DTLPWRSOMCAE */{SST(0x49, 0x00, SS_RDEF,
-                        "Invalid message error") },
-/* DTLPWRSOMCAE */{SST(0x4A, 0x00, SS_RDEF,
-                        "Command phase error") },
-/* DTLPWRSOMCAE */{SST(0x4B, 0x00, SS_RDEF,
-                        "Data phase error") },
-/* DTLPWRSOMCAE */{SST(0x4C, 0x00, SS_RDEF,
-                        "Logical unit failed self-configuration") },
-/* DTLPWRSOMCAE */{SST(0x4D, 0x00, SS_RDEF,
-                        "Tagged overlapped commands: ASCQ = Queue tag ID") },
-/* DTLPWRSOMCAE */{SST(0x4D, 0xFF, SS_RDEF|SSQ_RANGE,
-                        NULL)}, /* Range 0x00->0xFF */
-/* DTLPWRSOMCAE */{SST(0x4E, 0x00, SS_RDEF,
-                        "Overlapped commands attempted") },
-/*  T           */{SST(0x50, 0x00, SS_RDEF,
-                        "Write append error") },
-/*  T           */{SST(0x50, 0x01, SS_RDEF,
-                        "Write append position error") },
-/*  T           */{SST(0x50, 0x02, SS_RDEF,
-                        "Position error related to timing") },
-/*  T     O     */{SST(0x51, 0x00, SS_RDEF,
-                        "Erase failure") },
-/*  T           */{SST(0x52, 0x00, SS_RDEF,
-                        "Cartridge fault") },
-/* DTL WRSOM    */{SST(0x53, 0x00, SS_RDEF,
-                        "Media load or eject failed") },
-/*  T           */{SST(0x53, 0x01, SS_RDEF,
-                        "Unload tape failure") },
-/* DT  WR OM    */{SST(0x53, 0x02, SS_RDEF,
-                        "Medium removal prevented") },
-/*    P         */{SST(0x54, 0x00, SS_RDEF,
-                        "Scsi to host system interface failure") },
-/*    P         */{SST(0x55, 0x00, SS_RDEF,
-                        "System resource failure") },
-/* D      O     */{SST(0x55, 0x01, SS_FATAL|ENOSPC,
-                        "System buffer full") },
-/*      R       */{SST(0x57, 0x00, SS_RDEF,
-                        "Unable to recover table-of-contents") },
-/*        O     */{SST(0x58, 0x00, SS_RDEF,
-                        "Generation does not exist") },
-/*        O     */{SST(0x59, 0x00, SS_RDEF,
-                        "Updated block read") },
-/* DTLPWRSOM    */{SST(0x5A, 0x00, SS_RDEF,
-                        "Operator request or state change input") },
-/* DT  WR OM    */{SST(0x5A, 0x01, SS_RDEF,
-                        "Operator medium removal request") },
-/* DT  W  O     */{SST(0x5A, 0x02, SS_RDEF,
-                        "Operator selected write protect") },
-/* DT  W  O     */{SST(0x5A, 0x03, SS_RDEF,
-                        "Operator selected write permit") },
-/* DTLPWRSOM    */{SST(0x5B, 0x00, SS_RDEF,
-                        "Log exception") },
-/* DTLPWRSOM    */{SST(0x5B, 0x01, SS_RDEF,
-                        "Threshold condition met") },
-/* DTLPWRSOM    */{SST(0x5B, 0x02, SS_RDEF,
-                        "Log counter at maximum") },
-/* DTLPWRSOM    */{SST(0x5B, 0x03, SS_RDEF,
-                        "Log list codes exhausted") },
-/* D      O     */{SST(0x5C, 0x00, SS_RDEF,
-                        "RPL status change") },
-/* D      O     */{SST(0x5C, 0x01, SS_NOP|SSQ_PRINT_SENSE,
-                        "Spindles synchronized") },
-/* D      O     */{SST(0x5C, 0x02, SS_RDEF,
-                        "Spindles not synchronized") },
-/* DTLPWRSOMCAE */{SST(0x5D, 0x00, SS_RDEF,
-                        "Failure prediction threshold exceeded") },
-/* DTLPWRSOMCAE */{SST(0x5D, 0xFF, SS_RDEF,
-                        "Failure prediction threshold exceeded (false)") },
-/* DTLPWRSO CA  */{SST(0x5E, 0x00, SS_RDEF,
-                        "Low power condition on") },
-/* DTLPWRSO CA  */{SST(0x5E, 0x01, SS_RDEF,
-                        "Idle condition activated by timer") },
-/* DTLPWRSO CA  */{SST(0x5E, 0x02, SS_RDEF,
-                        "Standby condition activated by timer") },
-/* DTLPWRSO CA  */{SST(0x5E, 0x03, SS_RDEF,
-                        "Idle condition activated by command") },
-/* DTLPWRSO CA  */{SST(0x5E, 0x04, SS_RDEF,
-                        "Standby condition activated by command") },
-/*       S      */{SST(0x60, 0x00, SS_RDEF,
-                        "Lamp failure") },
-/*       S      */{SST(0x61, 0x00, SS_RDEF,
-                        "Video acquisition error") },
-/*       S      */{SST(0x61, 0x01, SS_RDEF,
-                        "Unable to acquire video") },
-/*       S      */{SST(0x61, 0x02, SS_RDEF,
-                        "Out of focus") },
-/*       S      */{SST(0x62, 0x00, SS_RDEF,
-                        "Scan head positioning error") },
-/*      R       */{SST(0x63, 0x00, SS_RDEF,
-                        "End of user area encountered on this track") },
-/*      R       */{SST(0x63, 0x01, SS_FATAL|ENOSPC,
-                        "Packet does not fit in available space") },
-/*      R       */{SST(0x64, 0x00, SS_RDEF,
-                        "Illegal mode for this track") },
-/*      R       */{SST(0x64, 0x01, SS_RDEF,
-                        "Invalid packet size") },
-/* DTLPWRSOMCAE */{SST(0x65, 0x00, SS_RDEF,
-                        "Voltage fault") },
-/*       S      */{SST(0x66, 0x00, SS_RDEF,
-                        "Automatic document feeder cover up") },
-/*       S      */{SST(0x66, 0x01, SS_RDEF,
-                        "Automatic document feeder lift up") },
-/*       S      */{SST(0x66, 0x02, SS_RDEF,
-                        "Document jam in automatic document feeder") },
-/*       S      */{SST(0x66, 0x03, SS_RDEF,
-                        "Document miss feed automatic in document feeder") },
-/*           A  */{SST(0x67, 0x00, SS_RDEF,
-                        "Configuration failure") },
-/*           A  */{SST(0x67, 0x01, SS_RDEF,
-                        "Configuration of incapable logical units failed") },
-/*           A  */{SST(0x67, 0x02, SS_RDEF,
-                        "Add logical unit failed") },
-/*           A  */{SST(0x67, 0x03, SS_RDEF,
-                        "Modification of logical unit failed") },
-/*           A  */{SST(0x67, 0x04, SS_RDEF,
-                        "Exchange of logical unit failed") },
-/*           A  */{SST(0x67, 0x05, SS_RDEF,
-                        "Remove of logical unit failed") },
-/*           A  */{SST(0x67, 0x06, SS_RDEF,
-                        "Attachment of logical unit failed") },
-/*           A  */{SST(0x67, 0x07, SS_RDEF,
-                        "Creation of logical unit failed") },
-/*           A  */{SST(0x68, 0x00, SS_RDEF,
-                        "Logical unit not configured") },
-/*           A  */{SST(0x69, 0x00, SS_RDEF,
-                        "Data loss on logical unit") },
-/*           A  */{SST(0x69, 0x01, SS_RDEF,
-                        "Multiple logical unit failures") },
-/*           A  */{SST(0x69, 0x02, SS_RDEF,
-                        "Parity/data mismatch") },
-/*           A  */{SST(0x6A, 0x00, SS_RDEF,
-                        "Informational, refer to log") },
-/*           A  */{SST(0x6B, 0x00, SS_RDEF,
-                        "State change has occurred") },
-/*           A  */{SST(0x6B, 0x01, SS_RDEF,
-                        "Redundancy level got better") },
-/*           A  */{SST(0x6B, 0x02, SS_RDEF,
-                        "Redundancy level got worse") },
-/*           A  */{SST(0x6C, 0x00, SS_RDEF,
-                        "Rebuild failure occurred") },
-/*           A  */{SST(0x6D, 0x00, SS_RDEF,
-                        "Recalculate failure occurred") },
-/*           A  */{SST(0x6E, 0x00, SS_RDEF,
-                        "Command to logical unit failed") },
-/*  T           */{SST(0x70, 0x00, SS_RDEF,
-                        "Decompression exception short: ASCQ = Algorithm ID") },
-/*  T           */{SST(0x70, 0xFF, SS_RDEF|SSQ_RANGE,
-                        NULL) }, /* Range 0x00 -> 0xFF */
-/*  T           */{SST(0x71, 0x00, SS_RDEF,
-                        "Decompression exception long: ASCQ = Algorithm ID") },
-/*  T           */{SST(0x71, 0xFF, SS_RDEF|SSQ_RANGE,
-                        NULL) }, /* Range 0x00 -> 0xFF */       
-/*      R       */{SST(0x72, 0x00, SS_RDEF,
-                        "Session fixation error") },
-/*      R       */{SST(0x72, 0x01, SS_RDEF,
-                        "Session fixation error writing lead-in") },
-/*      R       */{SST(0x72, 0x02, SS_RDEF,
-                        "Session fixation error writing lead-out") },
-/*      R       */{SST(0x72, 0x03, SS_RDEF,
-                        "Session fixation error - incomplete track in session") },
-/*      R       */{SST(0x72, 0x04, SS_RDEF,
-                        "Empty or partially written reserved track") },
-/*      R       */{SST(0x73, 0x00, SS_RDEF,
-                        "CD control error") },
-/*      R       */{SST(0x73, 0x01, SS_RDEF,
-                        "Power calibration area almost full") },
-/*      R       */{SST(0x73, 0x02, SS_FATAL|ENOSPC,
-                        "Power calibration area is full") },
-/*      R       */{SST(0x73, 0x03, SS_RDEF,
-                        "Power calibration area error") },
-/*      R       */{SST(0x73, 0x04, SS_RDEF,
-                        "Program memory area update failure") },
-/*      R       */{SST(0x73, 0x05, SS_RDEF,
-                        "program memory area is full") }
-};
-
-static const int asc_table_size = sizeof(asc_table)/sizeof(asc_table[0]);
-
-struct asc_key
-{
-        int asc;
-        int ascq;
-};
-
-static int
-ascentrycomp(const void *key, const void *member)
-{
-        int asc;
-        int ascq;
-        const struct asc_table_entry *table_entry;
-
-        asc = ((const struct asc_key *)key)->asc;
-        ascq = ((const struct asc_key *)key)->ascq;
-        table_entry = (const struct asc_table_entry *)member;
-
-        if (asc >= table_entry->asc) {
-
-                if (asc > table_entry->asc)
-                        return (1);
-
-                if (ascq <= table_entry->ascq) {
-                        /* Check for ranges */
-                        if (ascq == table_entry->ascq
-                         || ((table_entry->action & SSQ_RANGE) != 0
-                           && ascq >= (table_entry - 1)->ascq))
-                                return (0);
-                        return (-1);
-                }
-                return (1);
-        }
-        return (-1);
-}
-
-static int
-senseentrycomp(const void *key, const void *member)
-{
-        int sense_key;
-        const struct sense_key_table_entry *table_entry;
-
-        sense_key = *((const int *)key);
-        table_entry = (const struct sense_key_table_entry *)member;
-
-        if (sense_key >= table_entry->sense_key) {
-                if (sense_key == table_entry->sense_key)
-                        return (0);
-                return (1);
-        }
-        return (-1);
-}
-
-static void
-fetchtableentries(int sense_key, int asc, int ascq,
-                  struct scsi_inquiry_data *inq_data,
-                  const struct sense_key_table_entry **sense_entry,
-                  const struct asc_table_entry **asc_entry)
-{
-        void *match;
-        const struct asc_table_entry *asc_tables[2];
-        const struct sense_key_table_entry *sense_tables[2];
-        struct asc_key asc_ascq;
-        size_t asc_tables_size[2];
-        size_t sense_tables_size[2];
-        int num_asc_tables;
-        int num_sense_tables;
-        int i;
-
-        /* Default to failure */
-        *sense_entry = NULL;
-        *asc_entry = NULL;
-        match = NULL;
-        if (inq_data != NULL)
-                match = cam_quirkmatch((void *)inq_data,
-                                       (void *)sense_quirk_table,
-                                       sense_quirk_table_size,
-                                       sizeof(*sense_quirk_table),
-                                       aic_inquiry_match);
-
-        if (match != NULL) {
-                struct scsi_sense_quirk_entry *quirk;
-
-                quirk = (struct scsi_sense_quirk_entry *)match;
-                asc_tables[0] = quirk->asc_info;
-                asc_tables_size[0] = quirk->num_ascs;
-                asc_tables[1] = asc_table;
-                asc_tables_size[1] = asc_table_size;
-                num_asc_tables = 2;
-                sense_tables[0] = quirk->sense_key_info;
-                sense_tables_size[0] = quirk->num_sense_keys;
-                sense_tables[1] = sense_key_table;
-                sense_tables_size[1] = sense_key_table_size;
-                num_sense_tables = 2;
-        } else {
-                asc_tables[0] = asc_table;
-                asc_tables_size[0] = asc_table_size;
-                num_asc_tables = 1;
-                sense_tables[0] = sense_key_table;
-                sense_tables_size[0] = sense_key_table_size;
-                num_sense_tables = 1;
-        }
-
-        asc_ascq.asc = asc;
-        asc_ascq.ascq = ascq;
-        for (i = 0; i < num_asc_tables; i++) {
-                void *found_entry;
-
-                found_entry = scsibsearch(&asc_ascq, asc_tables[i],
-                                          asc_tables_size[i],
-                                          sizeof(**asc_tables),
-                                          ascentrycomp);
-
-                if (found_entry) {
-                        *asc_entry = (struct asc_table_entry *)found_entry;
-                        break;
-                }
-        }
-
-        for (i = 0; i < num_sense_tables; i++) {
-                void *found_entry;
-
-                found_entry = scsibsearch(&sense_key, sense_tables[i],
-                                          sense_tables_size[i],
-                                          sizeof(**sense_tables),
-                                          senseentrycomp);
-
-                if (found_entry) {
-                        *sense_entry =
-                            (struct sense_key_table_entry *)found_entry;
-                        break;
-                }
-        }
-}
-
-static void *
-scsibsearch(const void *key, const void *base, size_t nmemb, size_t size,
-                 int (*compar)(const void *, const void *))
-{
-        const void *entry;
-        u_int l;
-        u_int u;
-        u_int m;
-
-        l = -1;
-        u = nmemb;
-        while (l + 1 != u) {
-                m = (l + u) / 2;
-                entry = base + m * size;
-                if (compar(key, entry) > 0)
-                        l = m;
-                else
-                        u = m;
-        }
-
-        entry = base + u * size;
-        if (u == nmemb
-         || compar(key, entry) != 0)
-                return (NULL);
-
-        return ((void *)entry);
-}
-
-/*
- * Compare string with pattern, returning 0 on match.
- * Short pattern matches trailing blanks in name,
- * wildcard '*' in pattern matches rest of name,
- * wildcard '?' matches a single non-space character.
- */
-static int
-cam_strmatch(const uint8_t *str, const uint8_t *pattern, int str_len)
-{
-
-        while (*pattern != '\0'&& str_len > 0) {  
-
-                if (*pattern == '*') {
-                        return (0);
-                }
-                if ((*pattern != *str)
-                 && (*pattern != '?' || *str == ' ')) {
-                        return (1);
-                }
-                pattern++;
-                str++;
-                str_len--;
-        }
-        while (str_len > 0 && *str++ == ' ')
-                str_len--;
-
-        return (str_len);
-}
-
-static caddr_t
-cam_quirkmatch(caddr_t target, caddr_t quirk_table, int num_entries,
-               int entry_size, cam_quirkmatch_t *comp_func)
-{
-        for (; num_entries > 0; num_entries--, quirk_table += entry_size) {
-                if ((*comp_func)(target, quirk_table) == 0)
-                        return (quirk_table);
-        }
-        return (NULL);
-}
-
-void
-aic_sense_desc(int sense_key, int asc, int ascq,
-               struct scsi_inquiry_data *inq_data,
-               const char **sense_key_desc, const char **asc_desc)
-{
-        const struct asc_table_entry *asc_entry;
-        const struct sense_key_table_entry *sense_entry;
-
-        fetchtableentries(sense_key, asc, ascq,
-                          inq_data,
-                          &sense_entry,
-                          &asc_entry);
-
-        *sense_key_desc = sense_entry->desc;
-
-        if (asc_entry != NULL)
-                *asc_desc = asc_entry->desc;
-        else if (asc >= 0x80 && asc <= 0xff)
-                *asc_desc = "Vendor Specific ASC";
-        else if (ascq >= 0x80 && ascq <= 0xff)
-                *asc_desc = "Vendor Specific ASCQ";
-        else
-                *asc_desc = "Reserved ASC/ASCQ pair";
-}
-
-/*
- * Given sense and device type information, return the appropriate action.
- * If we do not understand the specific error as identified by the ASC/ASCQ
- * pair, fall back on the more generic actions derived from the sense key.
- */
-aic_sense_action
-aic_sense_error_action(struct scsi_sense_data *sense_data,
-                       struct scsi_inquiry_data *inq_data, uint32_t sense_flags)
-{
-        const struct asc_table_entry *asc_entry;
-        const struct sense_key_table_entry *sense_entry;
-        int error_code, sense_key, asc, ascq;
-        aic_sense_action action;
-
-        scsi_extract_sense(sense_data, &error_code, &sense_key, &asc, &ascq);
-
-        if (error_code == SSD_DEFERRED_ERROR) {
-                /*
-                 * XXX dufault@FreeBSD.org
-                 * This error doesn't relate to the command associated
-                 * with this request sense.  A deferred error is an error
-                 * for a command that has already returned GOOD status
-                 * (see SCSI2 8.2.14.2).
-                 *
-                 * By my reading of that section, it looks like the current
-                 * command has been cancelled, we should now clean things up
-                 * (hopefully recovering any lost data) and then retry the
-                 * current command.  There are two easy choices, both wrong:
-                 *
-                 * 1. Drop through (like we had been doing), thus treating
-                 *    this as if the error were for the current command and
-                 *    return and stop the current command.
-                 * 
-                 * 2. Issue a retry (like I made it do) thus hopefully
-                 *    recovering the current transfer, and ignoring the
-                 *    fact that we've dropped a command.
-                 *
-                 * These should probably be handled in a device specific
-                 * sense handler or punted back up to a user mode daemon
-                 */
-                action = SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE;
-        } else {
-                fetchtableentries(sense_key, asc, ascq,
-                                  inq_data,
-                                  &sense_entry,
-                                  &asc_entry);
-
-                /*
-                 * Override the 'No additional Sense' entry (0,0)
-                 * with the error action of the sense key.
-                 */
-                if (asc_entry != NULL
-                 && (asc != 0 || ascq != 0))
-                        action = asc_entry->action;
-                else
-                        action = sense_entry->action;
-
-                if (sense_key == SSD_KEY_RECOVERED_ERROR) {
-                        /*
-                         * The action succeeded but the device wants
-                         * the user to know that some recovery action
-                         * was required.
-                         */
-                        action &= ~(SS_MASK|SSQ_MASK|SS_ERRMASK);
-                        action |= SS_NOP|SSQ_PRINT_SENSE;
-                } else if (sense_key == SSD_KEY_ILLEGAL_REQUEST) {
-                        if ((sense_flags & SF_QUIET_IR) != 0)
-                                action &= ~SSQ_PRINT_SENSE;
-                } else if (sense_key == SSD_KEY_UNIT_ATTENTION) {
-                        if ((sense_flags & SF_RETRY_UA) != 0
-                         && (action & SS_MASK) == SS_FAIL) {
-                                action &= ~(SS_MASK|SSQ_MASK);
-                                action |= SS_RETRY|SSQ_DECREMENT_COUNT|
-                                          SSQ_PRINT_SENSE;
-                        }
-                }
-        }
-
-        if ((sense_flags & SF_PRINT_ALWAYS) != 0)
-                action |= SSQ_PRINT_SENSE;
-        else if ((sense_flags & SF_NO_PRINT) != 0)
-                action &= ~SSQ_PRINT_SENSE;
-
-        return (action);
-}
-
-/*      
- * Try make as good a match as possible with
- * available sub drivers
- */
-int
-aic_inquiry_match(caddr_t inqbuffer, caddr_t table_entry)
-{
-        struct scsi_inquiry_pattern *entry;
-        struct scsi_inquiry_data *inq;
- 
-        entry = (struct scsi_inquiry_pattern *)table_entry;
-        inq = (struct scsi_inquiry_data *)inqbuffer;
-
-        if (((SID_TYPE(inq) == entry->type)
-          || (entry->type == T_ANY))
-         && (SID_IS_REMOVABLE(inq) ? entry->media_type & SIP_MEDIA_REMOVABLE
-                                   : entry->media_type & SIP_MEDIA_FIXED)
-         && (cam_strmatch(inq->vendor, entry->vendor, sizeof(inq->vendor)) == 0)
-         && (cam_strmatch(inq->product, entry->product,
-                          sizeof(inq->product)) == 0)
-         && (cam_strmatch(inq->revision, entry->revision,
-                          sizeof(inq->revision)) == 0)) {
-                return (0);
-        }
-        return (-1);
-}
-
-/*
- * Table of syncrates that don't follow the "divisible by 4"
- * rule. This table will be expanded in future SCSI specs.
- */
-static struct {
-        u_int period_factor;
-        u_int period;   /* in 100ths of ns */
-} scsi_syncrates[] = {
-        { 0x08, 625 },  /* FAST-160 */
-        { 0x09, 1250 }, /* FAST-80 */
-        { 0x0a, 2500 }, /* FAST-40 40MHz */
-        { 0x0b, 3030 }, /* FAST-40 33MHz */
-        { 0x0c, 5000 }  /* FAST-20 */
-};
-
-/*
- * Return the frequency in kHz corresponding to the given
- * sync period factor.
- */
-u_int
-aic_calc_syncsrate(u_int period_factor)
-{
-        int i;
-        int num_syncrates;
-
-        num_syncrates = sizeof(scsi_syncrates) / sizeof(scsi_syncrates[0]);
-        /* See if the period is in the "exception" table */
-        for (i = 0; i < num_syncrates; i++) {
-
-                if (period_factor == scsi_syncrates[i].period_factor) {
-                        /* Period in kHz */
-                        return (100000000 / scsi_syncrates[i].period);
-                }
-        }
-
-        /*
-         * Wasn't in the table, so use the standard
-         * 4 times conversion.
-         */
-        return (10000000 / (period_factor * 4 * 10));
-}
-
-/*
- * Return speed in KB/s.
- */
-u_int
-aic_calc_speed(u_int width, u_int period, u_int offset, u_int min_rate)
-{
-        u_int freq;
-
-        if (offset != 0 && period < min_rate)
-                freq  = aic_calc_syncsrate(period);
-        else
-                /* Roughly 3.3MB/s for async */
-                freq  = 3300;
-        freq <<= width;
-        return (freq);
-}
-
-uint32_t
-aic_error_action(struct scsi_cmnd *cmd, struct scsi_inquiry_data *inq_data,
-                 cam_status status, u_int scsi_status)
-{
-        aic_sense_action  err_action;
-        int               sense;
-
-        sense  = (cmd->result >> 24) == DRIVER_SENSE;
-
-        switch (status) {
-        case CAM_REQ_CMP:
-                err_action = SS_NOP;
-                break;
-        case CAM_AUTOSENSE_FAIL:
-        case CAM_SCSI_STATUS_ERROR:
-
-                switch (scsi_status) {
-                case SCSI_STATUS_OK:
-                case SCSI_STATUS_COND_MET:
-                case SCSI_STATUS_INTERMED:
-                case SCSI_STATUS_INTERMED_COND_MET:
-                        err_action = SS_NOP;
-                        break;
-                case SCSI_STATUS_CMD_TERMINATED:
-                case SCSI_STATUS_CHECK_COND:
-                        if (sense != 0) {
-                                struct scsi_sense_data *sense;
-
-                                sense = (struct scsi_sense_data *)
-                                    &cmd->sense_buffer;
-                                err_action =
-                                    aic_sense_error_action(sense, inq_data, 0);
-
-                        } else {
-                                err_action = SS_RETRY|SSQ_FALLBACK
-                                           | SSQ_DECREMENT_COUNT|EIO;
-                        }
-                        break;
-                case SCSI_STATUS_QUEUE_FULL:
-                case SCSI_STATUS_BUSY:
-                        err_action = SS_RETRY|SSQ_DELAY|SSQ_MANY
-                                   | SSQ_DECREMENT_COUNT|EBUSY;
-                        break;
-                case SCSI_STATUS_RESERV_CONFLICT:
-                default:
-                        err_action = SS_FAIL|EBUSY;
-                        break;
-                }
-                break;
-        case CAM_CMD_TIMEOUT:
-        case CAM_REQ_CMP_ERR:
-        case CAM_UNEXP_BUSFREE:
-        case CAM_UNCOR_PARITY:
-        case CAM_DATA_RUN_ERR:
-                err_action = SS_RETRY|SSQ_FALLBACK|EIO;
-                break;
-        case CAM_UA_ABORT:
-        case CAM_UA_TERMIO:
-        case CAM_MSG_REJECT_REC:
-        case CAM_SEL_TIMEOUT:
-                err_action = SS_FAIL|EIO;
-                break;
-        case CAM_REQ_INVALID:
-        case CAM_PATH_INVALID:
-        case CAM_DEV_NOT_THERE:
-        case CAM_NO_HBA:
-        case CAM_PROVIDE_FAIL:
-        case CAM_REQ_TOO_BIG:           
-        case CAM_RESRC_UNAVAIL:
-        case CAM_BUSY:
-        default:
-                /* panic??  These should never occur in our application. */
-                err_action = SS_FAIL|EIO;
-                break;
-        case CAM_SCSI_BUS_RESET:
-        case CAM_BDR_SENT:              
-        case CAM_REQUEUE_REQ:
-                /* Unconditional requeue */
-                err_action = SS_RETRY;
-                break;
-        }
-
-        return (err_action);
-}
-
-char *
-aic_parse_brace_option(char *opt_name, char *opt_arg, char *end, int depth,
-                       aic_option_callback_t *callback, u_long callback_arg)
-{
-        char    *tok_end;
-        char    *tok_end2;
-        int      i;
-        int      instance;
-        int      targ;
-        int      done;
-        char     tok_list[] = {'.', ',', '{', '}', '\0'};
 
-        /* All options use a ':' name/arg separator */
-        if (*opt_arg != ':')
-                return (opt_arg);
-        opt_arg++;
-        instance = -1;
-        targ = -1;
-        done = FALSE;
-        /*
-         * Restore separator that may be in
-         * the middle of our option argument.
-         */
-        tok_end = strchr(opt_arg, '\0');
-        if (tok_end < end)
-                *tok_end = ',';
-        while (!done) {
-                switch (*opt_arg) {
-                case '{':
-                        if (instance == -1) {
-                                instance = 0;
-                        } else {
-                                if (depth > 1) {
-                                        if (targ == -1)
-                                                targ = 0;
-                                } else {
-                                        printf("Malformed Option %s\n",
-                                               opt_name);
-                                        done = TRUE;
-                                }
-                        }
-                        opt_arg++;
-                        break;
-                case '}':
-                        if (targ != -1)
-                                targ = -1;
-                        else if (instance != -1)
-                                instance = -1;
-                        opt_arg++;
-                        break;
-                case ',':
-                case '.':
-                        if (instance == -1)
-                                done = TRUE;
-                        else if (targ >= 0)
-                                targ++;
-                        else if (instance >= 0)
-                                instance++;
-                        opt_arg++;
-                        break;
-                case '\0':
-                        done = TRUE;
-                        break;
-                default:
-                        tok_end = end;
-                        for (i = 0; tok_list[i]; i++) {
-                                tok_end2 = strchr(opt_arg, tok_list[i]);
-                                if ((tok_end2) && (tok_end2 < tok_end))
-                                        tok_end = tok_end2;
-                        }
-                        callback(callback_arg, instance, targ,
-                                 simple_strtol(opt_arg, NULL, 0));
-                        opt_arg = tok_end;
-                        break;
-                }
-        }
-        return (opt_arg);
-}
diff --git a/drivers/scsi/aic7xxx/aiclib.h b/drivers/scsi/aic7xxx/aiclib.h
index bfe6f954d3c4..3bfbf0fe1ec2 100644
--- a/drivers/scsi/aic7xxx/aiclib.h
+++ b/drivers/scsi/aic7xxx/aiclib.h
@@ -57,121 +57,6 @@
 #ifndef _AICLIB_H
 #define _AICLIB_H
 
-/*
- * Linux Interrupt Support.
- */
-#ifndef IRQ_RETVAL
-typedef void irqreturn_t;
-#define IRQ_RETVAL(x)
-#endif
-
-/*
- * SCSI command format
- */
-
-/*
- * Define dome bits that are in ALL (or a lot of) scsi commands
- */
-#define SCSI_CTL_LINK           0x01
-#define SCSI_CTL_FLAG           0x02
-#define SCSI_CTL_VENDOR         0xC0
-#define SCSI_CMD_LUN            0xA0    /* these two should not be needed */
-#define SCSI_CMD_LUN_SHIFT      5       /* LUN in the cmd is no longer SCSI */
-
-#define SCSI_MAX_CDBLEN         16      /* 
-                                         * 16 byte commands are in the 
-                                         * SCSI-3 spec 
-                                         */
-/* 6byte CDBs special case 0 length to be 256 */
-#define SCSI_CDB6_LEN(len)      ((len) == 0 ? 256 : len)
-
-/*
- * This type defines actions to be taken when a particular sense code is
- * received.  Right now, these flags are only defined to take up 16 bits,
- * but can be expanded in the future if necessary.
- */
-typedef enum {
-        SS_NOP          = 0x000000, /* Do nothing */
-        SS_RETRY        = 0x010000, /* Retry the command */
-        SS_FAIL         = 0x020000, /* Bail out */
-        SS_START        = 0x030000, /* Send a Start Unit command to the device,
-                                     * then retry the original command.
-                                     */
-        SS_TUR          = 0x040000, /* Send a Test Unit Ready command to the
-                                     * device, then retry the original command.
-                                     */
-        SS_REQSENSE     = 0x050000, /* Send a RequestSense command to the
-                                     * device, then retry the original command.
-                                     */
-        SS_INQ_REFRESH  = 0x060000,
-        SS_MASK         = 0xff0000
-} aic_sense_action;
-
-typedef enum {
-        SSQ_NONE                = 0x0000,
-        SSQ_DECREMENT_COUNT     = 0x0100,  /* Decrement the retry count */
-        SSQ_MANY                = 0x0200,  /* send lots of recovery commands */
-        SSQ_RANGE               = 0x0400,  /*
-                                            * This table entry represents the
-                                            * end of a range of ASCQs that
-                                            * have identical error actions
-                                            * and text.
-                                            */
-        SSQ_PRINT_SENSE         = 0x0800,
-        SSQ_DELAY               = 0x1000,  /* Delay before retry. */
-        SSQ_DELAY_RANDOM        = 0x2000,  /* Randomized delay before retry. */
-        SSQ_FALLBACK            = 0x4000,  /* Do a speed fallback to recover */
-        SSQ_MASK                = 0xff00
-} aic_sense_action_qualifier;
-
-/* Mask for error status values */
-#define SS_ERRMASK      0xff
-
-/* The default, retyable, error action */
-#define SS_RDEF         SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE|EIO
-
-/* The retyable, error action, with table specified error code */
-#define SS_RET          SS_RETRY|SSQ_DECREMENT_COUNT|SSQ_PRINT_SENSE
-
-/* Fatal error action, with table specified error code */
-#define SS_FATAL        SS_FAIL|SSQ_PRINT_SENSE
-
-struct scsi_generic
-{
-        uint8_t opcode;
-        uint8_t bytes[11];
-};
-
-struct scsi_request_sense
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[2];
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_test_unit_ready
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[3];
-        uint8_t control;
-};
-
-struct scsi_send_diag
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SSD_UOL         0x01
-#define SSD_DOL         0x02
-#define SSD_SELFTEST    0x04
-#define SSD_PF          0x10
-        uint8_t unused[1];
-        uint8_t paramlen[2];
-        uint8_t control;
-};
-
 struct scsi_sense
 {
         uint8_t opcode;
@@ -181,537 +66,12 @@ struct scsi_sense
         uint8_t control;
 };
 
-struct scsi_inquiry
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SI_EVPD 0x01
-        uint8_t page_code;
-        uint8_t reserved;
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_mode_sense_6
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SMS_DBD                         0x08
-        uint8_t page;
-#define SMS_PAGE_CODE                   0x3F
-#define SMS_VENDOR_SPECIFIC_PAGE        0x00
-#define SMS_DISCONNECT_RECONNECT_PAGE   0x02
-#define SMS_PERIPHERAL_DEVICE_PAGE      0x09
-#define SMS_CONTROL_MODE_PAGE           0x0A
-#define SMS_ALL_PAGES_PAGE              0x3F
-#define SMS_PAGE_CTRL_MASK              0xC0
-#define SMS_PAGE_CTRL_CURRENT           0x00
-#define SMS_PAGE_CTRL_CHANGEABLE        0x40
-#define SMS_PAGE_CTRL_DEFAULT           0x80
-#define SMS_PAGE_CTRL_SAVED             0xC0
-        uint8_t unused;
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_mode_sense_10
-{
-        uint8_t opcode;
-        uint8_t byte2;          /* same bits as small version */
-        uint8_t page;           /* same bits as small version */
-        uint8_t unused[4];
-        uint8_t length[2];
-        uint8_t control;
-};
-
-struct scsi_mode_select_6
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SMS_SP  0x01
-#define SMS_PF  0x10
-        uint8_t unused[2];
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_mode_select_10
-{
-        uint8_t opcode;
-        uint8_t byte2;          /* same bits as small version */
-        uint8_t unused[5];
-        uint8_t length[2];
-        uint8_t control;
-};
-
-/*
- * When sending a mode select to a tape drive, the medium type must be 0.
- */
-struct scsi_mode_hdr_6
-{
-        uint8_t datalen;
-        uint8_t medium_type;
-        uint8_t dev_specific;
-        uint8_t block_descr_len;
-};
-
-struct scsi_mode_hdr_10
-{
-        uint8_t datalen[2];
-        uint8_t medium_type;
-        uint8_t dev_specific;
-        uint8_t reserved[2];
-        uint8_t block_descr_len[2];
-};
-
-struct scsi_mode_block_descr
-{
-        uint8_t density_code;
-        uint8_t num_blocks[3];
-        uint8_t reserved;
-        uint8_t block_len[3];
-};
-
-struct scsi_log_sense
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SLS_SP                          0x01
-#define SLS_PPC                         0x02
-        uint8_t page;
-#define SLS_PAGE_CODE                   0x3F
-#define SLS_ALL_PAGES_PAGE              0x00
-#define SLS_OVERRUN_PAGE                0x01
-#define SLS_ERROR_WRITE_PAGE            0x02
-#define SLS_ERROR_READ_PAGE             0x03
-#define SLS_ERROR_READREVERSE_PAGE      0x04
-#define SLS_ERROR_VERIFY_PAGE           0x05
-#define SLS_ERROR_NONMEDIUM_PAGE        0x06
-#define SLS_ERROR_LASTN_PAGE            0x07
-#define SLS_PAGE_CTRL_MASK              0xC0
-#define SLS_PAGE_CTRL_THRESHOLD         0x00
-#define SLS_PAGE_CTRL_CUMULATIVE        0x40
-#define SLS_PAGE_CTRL_THRESH_DEFAULT    0x80
-#define SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0
-        uint8_t reserved[2];
-        uint8_t paramptr[2];
-        uint8_t length[2];
-        uint8_t control;
-};
-
-struct scsi_log_select
-{
-        uint8_t opcode;
-        uint8_t byte2;
-/*      SLS_SP                          0x01 */
-#define SLS_PCR                         0x02
-        uint8_t page;
-/*      SLS_PAGE_CTRL_MASK              0xC0 */
-/*      SLS_PAGE_CTRL_THRESHOLD         0x00 */
-/*      SLS_PAGE_CTRL_CUMULATIVE        0x40 */
-/*      SLS_PAGE_CTRL_THRESH_DEFAULT    0x80 */
-/*      SLS_PAGE_CTRL_CUMUL_DEFAULT     0xC0 */
-        uint8_t reserved[4];
-        uint8_t length[2];
-        uint8_t control;
-};
-
-struct scsi_log_header
-{
-        uint8_t page;
-        uint8_t reserved;
-        uint8_t datalen[2];
-};
-
-struct scsi_log_param_header {
-        uint8_t param_code[2];
-        uint8_t param_control;
-#define SLP_LP                          0x01
-#define SLP_LBIN                        0x02
-#define SLP_TMC_MASK                    0x0C
-#define SLP_TMC_ALWAYS                  0x00
-#define SLP_TMC_EQUAL                   0x04
-#define SLP_TMC_NOTEQUAL                0x08
-#define SLP_TMC_GREATER                 0x0C
-#define SLP_ETC                         0x10
-#define SLP_TSD                         0x20
-#define SLP_DS                          0x40
-#define SLP_DU                          0x80
-        uint8_t param_len;
-};
-
-struct scsi_control_page {
-        uint8_t page_code;
-        uint8_t page_length;
-        uint8_t rlec;
-#define SCB_RLEC                        0x01    /*Report Log Exception Cond*/
-        uint8_t queue_flags;
-#define SCP_QUEUE_ALG_MASK              0xF0
-#define SCP_QUEUE_ALG_RESTRICTED        0x00
-#define SCP_QUEUE_ALG_UNRESTRICTED      0x10
-#define SCP_QUEUE_ERR                   0x02    /*Queued I/O aborted for CACs*/
-#define SCP_QUEUE_DQUE                  0x01    /*Queued I/O disabled*/
-        uint8_t eca_and_aen;
-#define SCP_EECA                        0x80    /*Enable Extended CA*/
-#define SCP_RAENP                       0x04    /*Ready AEN Permission*/
-#define SCP_UAAENP                      0x02    /*UA AEN Permission*/
-#define SCP_EAENP                       0x01    /*Error AEN Permission*/
-        uint8_t reserved;
-        uint8_t aen_holdoff_period[2];
-};
-
-struct scsi_reserve
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[2];
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_release
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[2];
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_prevent
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[2];
-        uint8_t how;
-        uint8_t control;
-};
-#define PR_PREVENT 0x01
-#define PR_ALLOW   0x00
-
-struct scsi_sync_cache
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t begin_lba[4];
-        uint8_t reserved;
-        uint8_t lb_count[2];
-        uint8_t control;        
-};
-
-
-struct scsi_changedef
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused1;
-        uint8_t how;
-        uint8_t unused[4];
-        uint8_t datalen;
-        uint8_t control;
-};
-
-struct scsi_read_buffer
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define RWB_MODE                0x07
-#define RWB_MODE_HDR_DATA       0x00
-#define RWB_MODE_DATA           0x02
-#define RWB_MODE_DOWNLOAD       0x04
-#define RWB_MODE_DOWNLOAD_SAVE  0x05
-        uint8_t buffer_id;
-        uint8_t offset[3];
-        uint8_t length[3];
-        uint8_t control;
-};
-
-struct scsi_write_buffer
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t buffer_id;
-        uint8_t offset[3];
-        uint8_t length[3];
-        uint8_t control;
-};
-
-struct scsi_rw_6
-{
-        uint8_t opcode;
-        uint8_t addr[3];
-/* only 5 bits are valid in the MSB address byte */
-#define SRW_TOPADDR     0x1F
-        uint8_t length;
-        uint8_t control;
-};
-
-struct scsi_rw_10
-{
-        uint8_t opcode;
-#define SRW10_RELADDR   0x01
-#define SRW10_FUA       0x08
-#define SRW10_DPO       0x10
-        uint8_t byte2;
-        uint8_t addr[4];
-        uint8_t reserved;
-        uint8_t length[2];
-        uint8_t control;
-};
-
-struct scsi_rw_12
-{
-        uint8_t opcode;
-#define SRW12_RELADDR   0x01
-#define SRW12_FUA       0x08
-#define SRW12_DPO       0x10
-        uint8_t byte2;
-        uint8_t addr[4];
-        uint8_t length[4];
-        uint8_t reserved;
-        uint8_t control;
-};
-
-struct scsi_start_stop_unit
-{
-        uint8_t opcode;
-        uint8_t byte2;
-#define SSS_IMMED               0x01
-        uint8_t reserved[2];
-        uint8_t how;
-#define SSS_START               0x01
-#define SSS_LOEJ                0x02
-        uint8_t control;
-};
-
-#define SC_SCSI_1 0x01
-#define SC_SCSI_2 0x03
-
-/*
- * Opcodes
- */
-
-#define TEST_UNIT_READY         0x00
-#define REQUEST_SENSE           0x03
-#define READ_6                  0x08
-#define WRITE_6                 0x0a
-#define INQUIRY                 0x12
-#define MODE_SELECT_6           0x15
-#define MODE_SENSE_6            0x1a
-#define START_STOP_UNIT         0x1b
-#define START_STOP              0x1b
-#define RESERVE                 0x16
-#define RELEASE                 0x17
-#define RECEIVE_DIAGNOSTIC      0x1c
-#define SEND_DIAGNOSTIC         0x1d
-#define PREVENT_ALLOW           0x1e
-#define READ_CAPACITY           0x25
-#define READ_10                 0x28
-#define WRITE_10                0x2a
-#define POSITION_TO_ELEMENT     0x2b
-#define SYNCHRONIZE_CACHE       0x35
-#define WRITE_BUFFER            0x3b
-#define READ_BUFFER             0x3c
-#define CHANGE_DEFINITION       0x40
-#define LOG_SELECT              0x4c
-#define LOG_SENSE               0x4d
-#ifdef XXXCAM
-#define MODE_SENSE_10           0x5A
-#endif
-#define MODE_SELECT_10          0x55
-#define MOVE_MEDIUM             0xa5
-#define READ_12                 0xa8
-#define WRITE_12                0xaa
-#define READ_ELEMENT_STATUS     0xb8
-
-
-/*
- * Device Types
- */
-#define T_DIRECT        0x00
-#define T_SEQUENTIAL    0x01
-#define T_PRINTER       0x02
-#define T_PROCESSOR     0x03
-#define T_WORM          0x04
-#define T_CDROM         0x05
-#define T_SCANNER       0x06
-#define T_OPTICAL       0x07
-#define T_CHANGER       0x08
-#define T_COMM          0x09
-#define T_ASC0          0x0a
-#define T_ASC1          0x0b
-#define T_STORARRAY     0x0c
-#define T_ENCLOSURE     0x0d
-#define T_RBC           0x0e
-#define T_OCRW          0x0f
-#define T_NODEVICE      0x1F
-#define T_ANY           0xFF    /* Used in Quirk table matches */
-
-#define T_REMOV         1
-#define T_FIXED         0
-
-/*
- * This length is the initial inquiry length used by the probe code, as    
- * well as the legnth necessary for aic_print_inquiry() to function 
- * correctly.  If either use requires a different length in the future, 
- * the two values should be de-coupled.
- */
-#define SHORT_INQUIRY_LENGTH    36
-
-struct scsi_inquiry_data
-{
-        uint8_t device;
-#define SID_TYPE(inq_data) ((inq_data)->device & 0x1f)
-#define SID_QUAL(inq_data) (((inq_data)->device & 0xE0) >> 5)
-#define SID_QUAL_LU_CONNECTED   0x00    /*
-                                         * The specified peripheral device
-                                         * type is currently connected to
-                                         * logical unit.  If the target cannot
-                                         * determine whether or not a physical
-                                         * device is currently connected, it
-                                         * shall also use this peripheral
-                                         * qualifier when returning the INQUIRY
-                                         * data.  This peripheral qualifier
-                                         * does not mean that the device is
-                                         * ready for access by the initiator.
-                                         */
-#define SID_QUAL_LU_OFFLINE     0x01    /*
-                                         * The target is capable of supporting
-                                         * the specified peripheral device type
-                                         * on this logical unit; however, the
-                                         * physical device is not currently
-                                         * connected to this logical unit.
-                                         */
-#define SID_QUAL_RSVD           0x02
-#define SID_QUAL_BAD_LU         0x03    /*
-                                         * The target is not capable of
-                                         * supporting a physical device on
-                                         * this logical unit. For this
-                                         * peripheral qualifier the peripheral
-                                         * device type shall be set to 1Fh to
-                                         * provide compatibility with previous
-                                         * versions of SCSI. All other
-                                         * peripheral device type values are
-                                         * reserved for this peripheral
-                                         * qualifier.
-                                         */
-#define SID_QUAL_IS_VENDOR_UNIQUE(inq_data) ((SID_QUAL(inq_data) & 0x08) != 0)
-        uint8_t dev_qual2;
-#define SID_QUAL2       0x7F
-#define SID_IS_REMOVABLE(inq_data) (((inq_data)->dev_qual2 & 0x80) != 0)
-        uint8_t version;
-#define SID_ANSI_REV(inq_data) ((inq_data)->version & 0x07)
 #define         SCSI_REV_0              0
 #define         SCSI_REV_CCS            1
 #define         SCSI_REV_2              2
 #define         SCSI_REV_SPC            3
 #define         SCSI_REV_SPC2           4
 
-#define SID_ECMA        0x38
-#define SID_ISO         0xC0
-        uint8_t response_format;
-#define SID_AENC        0x80
-#define SID_TrmIOP      0x40
-        uint8_t additional_length;
-        uint8_t reserved[2];
-        uint8_t flags;
-#define SID_SftRe       0x01
-#define SID_CmdQue      0x02
-#define SID_Linked      0x08
-#define SID_Sync        0x10
-#define SID_WBus16      0x20
-#define SID_WBus32      0x40
-#define SID_RelAdr      0x80
-#define SID_VENDOR_SIZE   8
-        char     vendor[SID_VENDOR_SIZE];
-#define SID_PRODUCT_SIZE  16
-        char     product[SID_PRODUCT_SIZE];
-#define SID_REVISION_SIZE 4
-        char     revision[SID_REVISION_SIZE];
-        /*
-         * The following fields were taken from SCSI Primary Commands - 2
-         * (SPC-2) Revision 14, Dated 11 November 1999
-         */
-#define SID_VENDOR_SPECIFIC_0_SIZE      20
-        uint8_t vendor_specific0[SID_VENDOR_SPECIFIC_0_SIZE];
-        /*
-         * An extension of SCSI Parallel Specific Values
-         */
-#define SID_SPI_IUS             0x01
-#define SID_SPI_QAS             0x02
-#define SID_SPI_CLOCK_ST        0x00
-#define SID_SPI_CLOCK_DT        0x04
-#define SID_SPI_CLOCK_DT_ST     0x0C
-#define SID_SPI_MASK            0x0F
-        uint8_t spi3data;
-        uint8_t reserved2;
-        /*
-         * Version Descriptors, stored 2 byte values.
-         */
-        uint8_t version1[2];
-        uint8_t version2[2];
-        uint8_t version3[2];
-        uint8_t version4[2];
-        uint8_t version5[2];
-        uint8_t version6[2];
-        uint8_t version7[2];
-        uint8_t version8[2];
-
-        uint8_t reserved3[22];
-
-#define SID_VENDOR_SPECIFIC_1_SIZE      160
-        uint8_t vendor_specific1[SID_VENDOR_SPECIFIC_1_SIZE];
-};
-
-struct scsi_vpd_unit_serial_number
-{
-        uint8_t device;
-        uint8_t page_code;
-#define SVPD_UNIT_SERIAL_NUMBER 0x80
-        uint8_t reserved;
-        uint8_t length; /* serial number length */
-#define SVPD_SERIAL_NUM_SIZE 251
-        uint8_t serial_num[SVPD_SERIAL_NUM_SIZE];
-};
-
-struct scsi_read_capacity
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t addr[4];
-        uint8_t unused[3];
-        uint8_t control;
-};
-
-struct scsi_read_capacity_data
-{
-        uint8_t addr[4];
-        uint8_t length[4];
-};
-
-struct scsi_report_luns
-{
-        uint8_t opcode;
-        uint8_t byte2;
-        uint8_t unused[3];
-        uint8_t addr[4];
-        uint8_t control;
-};
-
-struct scsi_report_luns_data {
-        uint8_t length[4];      /* length of LUN inventory, in bytes */
-        uint8_t reserved[4];    /* unused */
-        /*
-         * LUN inventory- we only support the type zero form for now.
-         */
-        struct {
-                uint8_t lundata[8];
-        } luns[1];
-};
-#define RPL_LUNDATA_ATYP_MASK   0xc0    /* MBZ for type 0 lun */
-#define RPL_LUNDATA_T0LUN       1       /* @ lundata[1] */
-
-
 struct scsi_sense_data
 {
         uint8_t error_code;
@@ -757,41 +117,6 @@ struct scsi_sense_data
 #define SSD_FULL_SIZE sizeof(struct scsi_sense_data)
 };
 
-struct scsi_mode_header_6
-{
-        uint8_t data_length;    /* Sense data length */
-        uint8_t medium_type;
-        uint8_t dev_spec;
-        uint8_t blk_desc_len;
-};
-
-struct scsi_mode_header_10
-{
-        uint8_t data_length[2];/* Sense data length */
-        uint8_t medium_type;
-        uint8_t dev_spec;
-        uint8_t unused[2];
-        uint8_t blk_desc_len[2];
-};
-
-struct scsi_mode_page_header
-{
-        uint8_t page_code;
-        uint8_t page_length;
-};
-
-struct scsi_mode_blk_desc
-{
-        uint8_t density;
-        uint8_t nblocks[3];
-        uint8_t reserved;
-        uint8_t blklen[3];
-};
-
-#define SCSI_DEFAULT_DENSITY    0x00    /* use 'default' density */
-#define SCSI_SAME_DENSITY       0x7f    /* use 'same' density- >= SCSI-2 only */
-
-
 /*
  * Status Byte
  */
@@ -807,76 +132,7 @@ struct scsi_mode_blk_desc
 #define SCSI_STATUS_ACA_ACTIVE          0x30
 #define SCSI_STATUS_TASK_ABORTED        0x40
 
-struct scsi_inquiry_pattern {
-        uint8_t   type;
-        uint8_t   media_type;
-#define SIP_MEDIA_REMOVABLE     0x01
-#define SIP_MEDIA_FIXED         0x02
-        const char *vendor;
-        const char *product;
-        const char *revision;
-}; 
-
-struct scsi_static_inquiry_pattern {
-        uint8_t   type;
-        uint8_t   media_type;
-        char       vendor[SID_VENDOR_SIZE+1];
-        char       product[SID_PRODUCT_SIZE+1];
-        char       revision[SID_REVISION_SIZE+1];
-};
-
-struct scsi_sense_quirk_entry {
-        struct scsi_inquiry_pattern     inq_pat;
-        int                             num_sense_keys;
-        int                             num_ascs;
-        struct sense_key_table_entry    *sense_key_info;
-        struct asc_table_entry          *asc_info;
-};
-
-struct sense_key_table_entry {
-        uint8_t    sense_key;
-        uint32_t   action;
-        const char *desc;
-};
-
-struct asc_table_entry {
-        uint8_t    asc;
-        uint8_t    ascq;
-        uint32_t   action;
-        const char *desc;
-};
-
-struct op_table_entry {
-        uint8_t    opcode;
-        uint16_t   opmask;
-        const char  *desc;
-};
-
-struct scsi_op_quirk_entry {
-        struct scsi_inquiry_pattern     inq_pat;
-        int                             num_ops;
-        struct op_table_entry           *op_table;
-};
-
-typedef enum {
-        SSS_FLAG_NONE           = 0x00,
-        SSS_FLAG_PRINT_COMMAND  = 0x01
-} scsi_sense_string_flags;
-
-extern const char *scsi_sense_key_text[];
-
 /************************* Large Disk Handling ********************************/
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-static __inline int aic_sector_div(u_long capacity, int heads, int sectors);
-
-static __inline int
-aic_sector_div(u_long capacity, int heads, int sectors)
-{
-        return (capacity / (heads * sectors));
-}
-#else
-static __inline int aic_sector_div(sector_t capacity, int heads, int sectors);
-
 static __inline int
 aic_sector_div(sector_t capacity, int heads, int sectors)
 {
@@ -884,152 +140,6 @@ aic_sector_div(sector_t capacity, int heads, int sectors)
         sector_div(capacity, (heads * sectors));
         return (int)capacity;
 }
-#endif
-
-/**************************** Module Library Hack *****************************/
-/*
- * What we'd like to do is have a single "scsi library" module that both the
- * aic7xxx and aic79xx drivers could load and depend on.  A cursory examination
- * of implementing module dependencies in Linux (handling the install and
- * initrd cases) does not look promissing.  For now, we just duplicate this
- * code in both drivers using a simple symbol renaming scheme that hides this
- * hack from the drivers.
- */
-#define AIC_LIB_ENTRY_CONCAT(x, prefix) prefix ## x
-#define AIC_LIB_ENTRY_EXPAND(x, prefix) AIC_LIB_ENTRY_CONCAT(x, prefix)
-#define AIC_LIB_ENTRY(x)                AIC_LIB_ENTRY_EXPAND(x, AIC_LIB_PREFIX)
-
-#define aic_sense_desc                  AIC_LIB_ENTRY(_sense_desc)
-#define aic_sense_error_action          AIC_LIB_ENTRY(_sense_error_action)
-#define aic_error_action                AIC_LIB_ENTRY(_error_action)
-#define aic_op_desc                     AIC_LIB_ENTRY(_op_desc)
-#define aic_cdb_string                  AIC_LIB_ENTRY(_cdb_string)
-#define aic_print_inquiry               AIC_LIB_ENTRY(_print_inquiry)
-#define aic_calc_syncsrate              AIC_LIB_ENTRY(_calc_syncrate)
-#define aic_calc_syncparam              AIC_LIB_ENTRY(_calc_syncparam)
-#define aic_calc_speed                  AIC_LIB_ENTRY(_calc_speed)
-#define aic_inquiry_match               AIC_LIB_ENTRY(_inquiry_match)
-#define aic_static_inquiry_match        AIC_LIB_ENTRY(_static_inquiry_match)
-#define aic_parse_brace_option          AIC_LIB_ENTRY(_parse_brace_option)
-
-/******************************************************************************/
-
-void                    aic_sense_desc(int /*sense_key*/, int /*asc*/,
-                                       int /*ascq*/, struct scsi_inquiry_data*,
-                                       const char** /*sense_key_desc*/,
-                                       const char** /*asc_desc*/);
-aic_sense_action        aic_sense_error_action(struct scsi_sense_data*,
-                                               struct scsi_inquiry_data*,
-                                               uint32_t /*sense_flags*/);
-uint32_t                aic_error_action(struct scsi_cmnd *,
-                                         struct scsi_inquiry_data *,
-                                         cam_status, u_int);
-
-#define SF_RETRY_UA     0x01
-#define SF_NO_PRINT     0x02
-#define SF_QUIET_IR     0x04    /* Be quiet about Illegal Request reponses */
-#define SF_PRINT_ALWAYS 0x08
-
-
-const char *    aic_op_desc(uint16_t /*opcode*/, struct scsi_inquiry_data*);
-char *          aic_cdb_string(uint8_t* /*cdb_ptr*/, char* /*cdb_string*/,
-                               size_t /*len*/);
-void            aic_print_inquiry(struct scsi_inquiry_data*);
-
-u_int           aic_calc_syncsrate(u_int /*period_factor*/);
-u_int           aic_calc_syncparam(u_int /*period*/);
-u_int           aic_calc_speed(u_int width, u_int period, u_int offset,
-                               u_int min_rate);
-        
-int             aic_inquiry_match(caddr_t /*inqbuffer*/,
-                                  caddr_t /*table_entry*/);
-int             aic_static_inquiry_match(caddr_t /*inqbuffer*/,
-                                         caddr_t /*table_entry*/);
-
-typedef void aic_option_callback_t(u_long, int, int, int32_t);
-char *          aic_parse_brace_option(char *opt_name, char *opt_arg,
-                                       char *end, int depth,
-                                       aic_option_callback_t *, u_long);
-
-static __inline void     scsi_extract_sense(struct scsi_sense_data *sense,
-                                            int *error_code, int *sense_key,
-                                            int *asc, int *ascq);
-static __inline void     scsi_ulto2b(uint32_t val, uint8_t *bytes);
-static __inline void     scsi_ulto3b(uint32_t val, uint8_t *bytes);
-static __inline void     scsi_ulto4b(uint32_t val, uint8_t *bytes);
-static __inline uint32_t scsi_2btoul(uint8_t *bytes);
-static __inline uint32_t scsi_3btoul(uint8_t *bytes);
-static __inline int32_t  scsi_3btol(uint8_t *bytes);
-static __inline uint32_t scsi_4btoul(uint8_t *bytes);
-
-static __inline void scsi_extract_sense(struct scsi_sense_data *sense,
-                                       int *error_code, int *sense_key,
-                                       int *asc, int *ascq)
-{
-        *error_code = sense->error_code & SSD_ERRCODE;
-        *sense_key = sense->flags & SSD_KEY;
-        *asc = (sense->extra_len >= 5) ? sense->add_sense_code : 0;
-        *ascq = (sense->extra_len >= 6) ? sense->add_sense_code_qual : 0;
-}
-
-static __inline void
-scsi_ulto2b(uint32_t val, uint8_t *bytes)
-{
-
-        bytes[0] = (val >> 8) & 0xff;
-        bytes[1] = val & 0xff;
-}
-
-static __inline void
-scsi_ulto3b(uint32_t val, uint8_t *bytes)
-{
-
-        bytes[0] = (val >> 16) & 0xff;
-        bytes[1] = (val >> 8) & 0xff;
-        bytes[2] = val & 0xff;
-}
-
-static __inline void
-scsi_ulto4b(uint32_t val, uint8_t *bytes)
-{
-
-        bytes[0] = (val >> 24) & 0xff;
-        bytes[1] = (val >> 16) & 0xff;
-        bytes[2] = (val >> 8) & 0xff;
-        bytes[3] = val & 0xff;
-}
-
-static __inline uint32_t
-scsi_2btoul(uint8_t *bytes)
-{
-        uint32_t rv;
-
-        rv = (bytes[0] << 8) |
-             bytes[1];
-        return (rv);
-}
-
-static __inline uint32_t
-scsi_3btoul(uint8_t *bytes)
-{
-        uint32_t rv;
-
-        rv = (bytes[0] << 16) |
-             (bytes[1] << 8) |
-             bytes[2];
-        return (rv);
-}
-
-static __inline int32_t 
-scsi_3btol(uint8_t *bytes)
-{
-        uint32_t rc = scsi_3btoul(bytes);
- 
-        if (rc & 0x00800000)
-                rc |= 0xff000000;
-
-        return (int32_t) rc;
-}
 
 static __inline uint32_t
 scsi_4btoul(uint8_t *bytes)
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 3900e28ac7d6..bd0e1b6be1ea 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -20,7 +20,6 @@
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
 #include <linux/completion.h>
-#include <linux/devfs_fs_kernel.h>
 #include <linux/ioctl32.h>
 #include <linux/compat.h>
 #include <linux/chio.h>                 /* here are all the ioctls */
@@ -31,7 +30,7 @@
 #include <scsi/scsi_ioctl.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_device.h>
-#include <scsi/scsi_request.h>
+#include <scsi/scsi_eh.h>
 #include <scsi/scsi_dbg.h>
 
 #define CH_DT_MAX       16
@@ -181,17 +180,17 @@ static struct {
 
 /* ------------------------------------------------------------------- */
 
-static int ch_find_errno(unsigned char *sense_buffer)
+static int ch_find_errno(struct scsi_sense_hdr *sshdr)
 {
         int i,errno = 0;
 
         /* Check to see if additional sense information is available */
-        if (sense_buffer[7]  > 5 &&
-            sense_buffer[12] != 0) {
+        if (scsi_sense_valid(sshdr) &&
+            sshdr->asc != 0) {
                 for (i = 0; err[i].errno != 0; i++) {
-                        if (err[i].sense == sense_buffer[ 2] &&
-                            err[i].asc   == sense_buffer[12] &&
-                            err[i].ascq  == sense_buffer[13]) {
+                        if (err[i].sense == sshdr->sense_key &&
+                            err[i].asc   == sshdr->asc &&
+                            err[i].ascq  == sshdr->ascq) {
                                 errno = -err[i].errno;
                                 break;
                         }
@@ -207,13 +206,9 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
            void *buffer, unsigned buflength,
            enum dma_data_direction direction)
 {
-        int errno, retries = 0, timeout;
-        struct scsi_request *sr;
+        int errno, retries = 0, timeout, result;
+        struct scsi_sense_hdr sshdr;
         
-        sr = scsi_allocate_request(ch->device, GFP_KERNEL);
-        if (NULL == sr)
-                return -ENOMEM;
-
         timeout = (cmd[0] == INITIALIZE_ELEMENT_STATUS)
                 ? timeout_init : timeout_move;
 
@@ -224,16 +219,17 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
                 __scsi_print_command(cmd);
         }
 
-        scsi_wait_req(sr, cmd, buffer, buflength,
-                      timeout * HZ, MAX_RETRIES);
+        result = scsi_execute_req(ch->device, cmd, direction, buffer,
+                                  buflength, &sshdr, timeout * HZ,
+                                  MAX_RETRIES);
 
-        dprintk("result: 0x%x\n",sr->sr_result);
-        if (driver_byte(sr->sr_result) & DRIVER_SENSE) {
+        dprintk("result: 0x%x\n",result);
+        if (driver_byte(result) & DRIVER_SENSE) {
                 if (debug)
-                        scsi_print_req_sense(ch->name, sr);
-                errno = ch_find_errno(sr->sr_sense_buffer);
+                        scsi_print_sense_hdr(ch->name, &sshdr);
+                errno = ch_find_errno(&sshdr);
 
-                switch(sr->sr_sense_buffer[2] & 0xf) {
+                switch(sshdr.sense_key) {
                 case UNIT_ATTENTION:
                         ch->unit_attention = 1;
                         if (retries++ < 3)
@@ -241,7 +237,6 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
                         break;
                 }
         }
-        scsi_release_request(sr);
         return errno;
 }
 
@@ -940,8 +935,6 @@ static int ch_probe(struct device *dev)
         if (init)
                 ch_init_elem(ch);
 
-        devfs_mk_cdev(MKDEV(SCSI_CHANGER_MAJOR,ch->minor),
-                      S_IFCHR | S_IRUGO | S_IWUGO, ch->name);
         class_device_create(ch_sysfs_class,
                             MKDEV(SCSI_CHANGER_MAJOR,ch->minor),
                             dev, "s%s", ch->name);
@@ -974,7 +967,6 @@ static int ch_remove(struct device *dev)
 
         class_device_destroy(ch_sysfs_class,
                              MKDEV(SCSI_CHANGER_MAJOR,ch->minor));
-        devfs_remove(ch->name);
         kfree(ch->dt);
         kfree(ch);
         ch_devcount--;
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index ec161733a82b..f6be2c1c3942 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -17,6 +17,7 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_request.h>
 #include <scsi/scsi_eh.h>
+#include <scsi/scsi_dbg.h>
 
 
 
@@ -1155,6 +1156,31 @@ scsi_show_extd_sense(unsigned char asc, unsigned char ascq)
         }
 }
 
+void
+scsi_print_sense_hdr(const char *name, struct scsi_sense_hdr *sshdr)
+{
+        const char *sense_txt;
+        /* An example of deferred is when an earlier write to disk cache
+         * succeeded, but now the disk discovers that it cannot write the
+         * data to the magnetic media.
+         */
+        const char *error = scsi_sense_is_deferred(sshdr) ? 
+                "<<DEFERRED>>" : "Current";
+        printk(KERN_INFO "%s: %s", name, error);
+        if (sshdr->response_code >= 0x72)
+                printk(" [descriptor]");
+
+        sense_txt = scsi_sense_key_string(sshdr->sense_key);
+        if (sense_txt)
+                printk(": sense key: %s\n", sense_txt);
+        else
+                printk(": sense key=0x%x\n", sshdr->sense_key);
+        printk(KERN_INFO "    ");
+        scsi_show_extd_sense(sshdr->asc, sshdr->ascq);
+        printk("\n");
+}
+EXPORT_SYMBOL(scsi_print_sense_hdr);
+
 /* Print sense information */
 void
 __scsi_print_sense(const char *name, const unsigned char *sense_buffer,
@@ -1162,8 +1188,6 @@ __scsi_print_sense(const char *name, const unsigned char *sense_buffer,
 {
         int k, num, res;
         unsigned int info;
-        const char *error;
-        const char *sense_txt;
         struct scsi_sense_hdr ssh;
     
         res = scsi_normalize_sense(sense_buffer, sense_len, &ssh);
@@ -1181,26 +1205,7 @@ __scsi_print_sense(const char *name, const unsigned char *sense_buffer,
                 printk("\n");
                 return;
         }
-
-        /* An example of deferred is when an earlier write to disk cache
-         * succeeded, but now the disk discovers that it cannot write the
-         * data to the magnetic media.
-         */
-        error = scsi_sense_is_deferred(&ssh) ? 
-                        "<<DEFERRED>>" : "Current";
-        printk(KERN_INFO "%s: %s", name, error);
-        if (ssh.response_code >= 0x72)
-                printk(" [descriptor]");
-
-        sense_txt = scsi_sense_key_string(ssh.sense_key);
-        if (sense_txt)
-                printk(": sense key: %s\n", sense_txt);
-        else
-                printk(": sense key=0x%x\n", ssh.sense_key);
-        printk(KERN_INFO "    ");
-        scsi_show_extd_sense(ssh.asc, ssh.ascq);
-        printk("\n");
-
+        scsi_print_sense_hdr(name, &ssh);
         if (ssh.response_code < 0x72) {
                 /* only decode extras for "fixed" format now */
                 char buff[80];
diff --git a/drivers/scsi/hosts.c b/drivers/scsi/hosts.c
index 5feb886c3392..85503fad789a 100644
--- a/drivers/scsi/hosts.c
+++ b/drivers/scsi/hosts.c
@@ -24,6 +24,7 @@
 #include <linux/module.h>
 #include <linux/blkdev.h>
 #include <linux/kernel.h>
+#include <linux/kthread.h>
 #include <linux/string.h>
 #include <linux/mm.h>
 #include <linux/init.h>
@@ -52,21 +53,80 @@ static struct class shost_class = {
 };
 
 /**
- * scsi_host_cancel - cancel outstanding IO to this host
- * @shost:      pointer to struct Scsi_Host
- * recovery:    recovery requested to run.
+ *      scsi_host_set_state - Take the given host through the host
+ *              state model.
+ *      @shost: scsi host to change the state of.
+ *      @state: state to change to.
+ *
+ *      Returns zero if unsuccessful or an error if the requested
+ *      transition is illegal.
  **/
-static void scsi_host_cancel(struct Scsi_Host *shost, int recovery)
+int scsi_host_set_state(struct Scsi_Host *shost, enum scsi_host_state state)
 {
-        struct scsi_device *sdev;
+        enum scsi_host_state oldstate = shost->shost_state;
+
+        if (state == oldstate)
+                return 0;
+
+        switch (state) {
+        case SHOST_CREATED:
+                /* There are no legal states that come back to
+                 * created.  This is the manually initialised start
+                 * state */
+                goto illegal;
+
+        case SHOST_RUNNING:
+                switch (oldstate) {
+                case SHOST_CREATED:
+                case SHOST_RECOVERY:
+                        break;
+                default:
+                        goto illegal;
+                }
+                break;
+
+        case SHOST_RECOVERY:
+                switch (oldstate) {
+                case SHOST_RUNNING:
+                        break;
+                default:
+                        goto illegal;
+                }
+                break;
+
+        case SHOST_CANCEL:
+                switch (oldstate) {
+                case SHOST_CREATED:
+                case SHOST_RUNNING:
+                        break;
+                default:
+                        goto illegal;
+                }
+                break;
+
+        case SHOST_DEL:
+                switch (oldstate) {
+                case SHOST_CANCEL:
+                        break;
+                default:
+                        goto illegal;
+                }
+                break;
 
-        set_bit(SHOST_CANCEL, &shost->shost_state);
-        shost_for_each_device(sdev, shost) {
-                scsi_device_cancel(sdev, recovery);
         }
-        wait_event(shost->host_wait, (!test_bit(SHOST_RECOVERY,
-                                                &shost->shost_state)));
+        shost->shost_state = state;
+        return 0;
+
+ illegal:
+        SCSI_LOG_ERROR_RECOVERY(1,
+                                dev_printk(KERN_ERR, &shost->shost_gendev,
+                                           "Illegal host state transition"
+                                           "%s->%s\n",
+                                           scsi_host_state_name(oldstate),
+                                           scsi_host_state_name(state)));
+        return -EINVAL;
 }
+EXPORT_SYMBOL(scsi_host_set_state);
 
 /**
  * scsi_remove_host - remove a scsi host
@@ -74,11 +134,13 @@ static void scsi_host_cancel(struct Scsi_Host *shost, int recovery)
  **/
 void scsi_remove_host(struct Scsi_Host *shost)
 {
+        down(&shost->scan_mutex);
+        scsi_host_set_state(shost, SHOST_CANCEL);
+        up(&shost->scan_mutex);
         scsi_forget_host(shost);
-        scsi_host_cancel(shost, 0);
         scsi_proc_host_rm(shost);
 
-        set_bit(SHOST_DEL, &shost->shost_state);
+        scsi_host_set_state(shost, SHOST_DEL);
 
         transport_unregister_device(&shost->shost_gendev);
         class_device_unregister(&shost->shost_classdev);
@@ -115,7 +177,7 @@ int scsi_add_host(struct Scsi_Host *shost, struct device *dev)
         if (error)
                 goto out;
 
-        set_bit(SHOST_ADD, &shost->shost_state);
+        scsi_host_set_state(shost, SHOST_RUNNING);
         get_device(shost->shost_gendev.parent);
 
         error = class_device_add(&shost->shost_classdev);
@@ -164,15 +226,8 @@ static void scsi_host_dev_release(struct device *dev)
         struct Scsi_Host *shost = dev_to_shost(dev);
         struct device *parent = dev->parent;
 
-        if (shost->ehandler) {
-                DECLARE_COMPLETION(sem);
-                shost->eh_notify = &sem;
-                shost->eh_kill = 1;
-                up(shost->eh_wait);
-                wait_for_completion(&sem);
-                shost->eh_notify = NULL;
-        }
-
+        if (shost->ehandler)
+                kthread_stop(shost->ehandler);
         if (shost->work_q)
                 destroy_workqueue(shost->work_q);
 
@@ -202,7 +257,6 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 {
         struct Scsi_Host *shost;
         int gfp_mask = GFP_KERNEL, rval;
-        DECLARE_COMPLETION(complete);
 
         if (sht->unchecked_isa_dma && privsize)
                 gfp_mask |= __GFP_DMA;
@@ -226,6 +280,7 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
 
         spin_lock_init(&shost->default_lock);
         scsi_assign_lock(shost, &shost->default_lock);
+        shost->shost_state = SHOST_CREATED;
         INIT_LIST_HEAD(&shost->__devices);
         INIT_LIST_HEAD(&shost->__targets);
         INIT_LIST_HEAD(&shost->eh_cmd_q);
@@ -307,12 +362,12 @@ struct Scsi_Host *scsi_host_alloc(struct scsi_host_template *sht, int privsize)
         snprintf(shost->shost_classdev.class_id, BUS_ID_SIZE, "host%d",
                   shost->host_no);
 
-        shost->eh_notify = &complete;
-        rval = kernel_thread(scsi_error_handler, shost, 0);
-        if (rval < 0)
+        shost->ehandler = kthread_run(scsi_error_handler, shost,
+                        "scsi_eh_%d", shost->host_no);
+        if (IS_ERR(shost->ehandler)) {
+                rval = PTR_ERR(shost->ehandler);
                 goto fail_destroy_freelist;
-        wait_for_completion(&complete);
-        shost->eh_notify = NULL;
+        }
 
         scsi_proc_hostdir_add(shost->hostt);
         return shost;
@@ -382,7 +437,7 @@ EXPORT_SYMBOL(scsi_host_lookup);
  **/
 struct Scsi_Host *scsi_host_get(struct Scsi_Host *shost)
 {
-        if (test_bit(SHOST_DEL, &shost->shost_state) ||
+        if ((shost->shost_state == SHOST_DEL) ||
                 !get_device(&shost->shost_gendev))
                 return NULL;
         return shost;
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.c b/drivers/scsi/ibmvscsi/ibmvscsi.c
index 2cb3c8340ca8..5b14934ba861 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.c
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.c
@@ -87,7 +87,7 @@ static int max_channel = 3;
 static int init_timeout = 5;
 static int max_requests = 50;
 
-#define IBMVSCSI_VERSION "1.5.6"
+#define IBMVSCSI_VERSION "1.5.7"
 
 MODULE_DESCRIPTION("IBM Virtual SCSI");
 MODULE_AUTHOR("Dave Boutcher");
@@ -145,6 +145,8 @@ static int initialize_event_pool(struct event_pool *pool,
                         sizeof(*evt->xfer_iu) * i;
                 evt->xfer_iu = pool->iu_storage + i;
                 evt->hostdata = hostdata;
+                evt->ext_list = NULL;
+                evt->ext_list_token = 0;
         }
 
         return 0;
@@ -161,9 +163,16 @@ static void release_event_pool(struct event_pool *pool,
                                struct ibmvscsi_host_data *hostdata)
 {
         int i, in_use = 0;
-        for (i = 0; i < pool->size; ++i)
+        for (i = 0; i < pool->size; ++i) {
                 if (atomic_read(&pool->events[i].free) != 1)
                         ++in_use;
+                if (pool->events[i].ext_list) {
+                        dma_free_coherent(hostdata->dev,
+                                  SG_ALL * sizeof(struct memory_descriptor),
+                                  pool->events[i].ext_list,
+                                  pool->events[i].ext_list_token);
+                }
+        }
         if (in_use)
                 printk(KERN_WARNING
                        "ibmvscsi: releasing event pool with %d "
@@ -286,24 +295,41 @@ static void set_srp_direction(struct scsi_cmnd *cmd,
         } else {
                 if (cmd->sc_data_direction == DMA_TO_DEVICE) {
                         srp_cmd->data_out_format = SRP_INDIRECT_BUFFER;
-                        srp_cmd->data_out_count = numbuf;
+                        srp_cmd->data_out_count =
+                                numbuf < MAX_INDIRECT_BUFS ?
+                                        numbuf: MAX_INDIRECT_BUFS;
                 } else {
                         srp_cmd->data_in_format = SRP_INDIRECT_BUFFER;
-                        srp_cmd->data_in_count = numbuf;
+                        srp_cmd->data_in_count =
+                                numbuf < MAX_INDIRECT_BUFS ?
+                                        numbuf: MAX_INDIRECT_BUFS;
                 }
         }
 }
 
+static void unmap_sg_list(int num_entries, 
+                struct device *dev,
+                struct memory_descriptor *md)
+{ 
+        int i;
+
+        for (i = 0; i < num_entries; ++i) {
+                dma_unmap_single(dev,
+                        md[i].virtual_address,
+                        md[i].length, DMA_BIDIRECTIONAL);
+        }
+}
+
 /**
  * unmap_cmd_data: - Unmap data pointed in srp_cmd based on the format
  * @cmd:        srp_cmd whose additional_data member will be unmapped
  * @dev:        device for which the memory is mapped
  *
 */
-static void unmap_cmd_data(struct srp_cmd *cmd, struct device *dev)
+static void unmap_cmd_data(struct srp_cmd *cmd,
+                           struct srp_event_struct *evt_struct,
+                           struct device *dev)
 {
-        int i;
-
         if ((cmd->data_out_format == SRP_NO_BUFFER) &&
             (cmd->data_in_format == SRP_NO_BUFFER))
                 return;
@@ -318,15 +344,34 @@ static void unmap_cmd_data(struct srp_cmd *cmd, struct device *dev)
                         (struct indirect_descriptor *)cmd->additional_data;
                 int num_mapped = indirect->head.length / 
                         sizeof(indirect->list[0]);
-                for (i = 0; i < num_mapped; ++i) {
-                        struct memory_descriptor *data = &indirect->list[i];
-                        dma_unmap_single(dev,
-                                         data->virtual_address,
-                                         data->length, DMA_BIDIRECTIONAL);
+
+                if (num_mapped <= MAX_INDIRECT_BUFS) {
+                        unmap_sg_list(num_mapped, dev, &indirect->list[0]);
+                        return;
                 }
+
+                unmap_sg_list(num_mapped, dev, evt_struct->ext_list);
         }
 }
 
+static int map_sg_list(int num_entries, 
+                       struct scatterlist *sg,
+                       struct memory_descriptor *md)
+{
+        int i;
+        u64 total_length = 0;
+
+        for (i = 0; i < num_entries; ++i) {
+                struct memory_descriptor *descr = md + i;
+                struct scatterlist *sg_entry = &sg[i];
+                descr->virtual_address = sg_dma_address(sg_entry);
+                descr->length = sg_dma_len(sg_entry);
+                descr->memory_handle = 0;
+                total_length += sg_dma_len(sg_entry);
+        }
+        return total_length;
+}
+
 /**
  * map_sg_data: - Maps dma for a scatterlist and initializes decriptor fields
  * @cmd:        Scsi_Cmnd with the scatterlist
@@ -337,10 +382,11 @@ static void unmap_cmd_data(struct srp_cmd *cmd, struct device *dev)
  * Returns 1 on success.
 */
 static int map_sg_data(struct scsi_cmnd *cmd,
+                       struct srp_event_struct *evt_struct,
                        struct srp_cmd *srp_cmd, struct device *dev)
 {
 
-        int i, sg_mapped;
+        int sg_mapped;
         u64 total_length = 0;
         struct scatterlist *sg = cmd->request_buffer;
         struct memory_descriptor *data =
@@ -363,27 +409,46 @@ static int map_sg_data(struct scsi_cmnd *cmd,
                 return 1;
         }
 
-        if (sg_mapped > MAX_INDIRECT_BUFS) {
+        if (sg_mapped > SG_ALL) {
                 printk(KERN_ERR
                        "ibmvscsi: More than %d mapped sg entries, got %d\n",
-                       MAX_INDIRECT_BUFS, sg_mapped);
+                       SG_ALL, sg_mapped);
                 return 0;
         }
 
         indirect->head.virtual_address = 0;
         indirect->head.length = sg_mapped * sizeof(indirect->list[0]);
         indirect->head.memory_handle = 0;
-        for (i = 0; i < sg_mapped; ++i) {
-                struct memory_descriptor *descr = &indirect->list[i];
-                struct scatterlist *sg_entry = &sg[i];
-                descr->virtual_address = sg_dma_address(sg_entry);
-                descr->length = sg_dma_len(sg_entry);
-                descr->memory_handle = 0;
-                total_length += sg_dma_len(sg_entry);
+
+        if (sg_mapped <= MAX_INDIRECT_BUFS) {
+                total_length = map_sg_list(sg_mapped, sg, &indirect->list[0]);
+                indirect->total_length = total_length;
+                return 1;
         }
-        indirect->total_length = total_length;
 
-        return 1;
+        /* get indirect table */
+        if (!evt_struct->ext_list) {
+                evt_struct->ext_list =(struct memory_descriptor*)
+                        dma_alloc_coherent(dev, 
+                                SG_ALL * sizeof(struct memory_descriptor),
+                                &evt_struct->ext_list_token, 0);
+                if (!evt_struct->ext_list) {
+                    printk(KERN_ERR
+                        "ibmvscsi: Can't allocate memory for indirect table\n");
+                        return 0;
+                        
+                }
+        }
+
+        total_length = map_sg_list(sg_mapped, sg, evt_struct->ext_list);        
+
+        indirect->total_length = total_length;
+        indirect->head.virtual_address = evt_struct->ext_list_token;
+        indirect->head.length = sg_mapped * sizeof(indirect->list[0]);
+        memcpy(indirect->list, evt_struct->ext_list,
+                MAX_INDIRECT_BUFS * sizeof(struct memory_descriptor));
+        
+        return 1;
 }
 
 /**
@@ -428,6 +493,7 @@ static int map_single_data(struct scsi_cmnd *cmd,
  * Returns 1 on success.
 */
 static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
+                                struct srp_event_struct *evt_struct,
                                 struct srp_cmd *srp_cmd, struct device *dev)
 {
         switch (cmd->sc_data_direction) {
@@ -450,7 +516,7 @@ static int map_data_for_srp_cmd(struct scsi_cmnd *cmd,
         if (!cmd->request_buffer)
                 return 1;
         if (cmd->use_sg)
-                return map_sg_data(cmd, srp_cmd, dev);
+                return map_sg_data(cmd, evt_struct, srp_cmd, dev);
         return map_single_data(cmd, srp_cmd, dev);
 }
 
@@ -486,6 +552,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
                 printk(KERN_WARNING 
                        "ibmvscsi: Warning, request_limit exceeded\n");
                 unmap_cmd_data(&evt_struct->iu.srp.cmd,
+                               evt_struct,
                                hostdata->dev);
                 free_event_struct(&hostdata->pool, evt_struct);
                 return SCSI_MLQUEUE_HOST_BUSY;
@@ -513,7 +580,7 @@ static int ibmvscsi_send_srp_event(struct srp_event_struct *evt_struct,
         return 0;
 
  send_error:
-        unmap_cmd_data(&evt_struct->iu.srp.cmd, hostdata->dev);
+        unmap_cmd_data(&evt_struct->iu.srp.cmd, evt_struct, hostdata->dev);
 
         if ((cmnd = evt_struct->cmnd) != NULL) {
                 cmnd->result = DID_ERROR << 16;
@@ -551,6 +618,7 @@ static void handle_cmd_rsp(struct srp_event_struct *evt_struct)
                                rsp->sense_and_response_data,
                                rsp->sense_data_list_length);
                 unmap_cmd_data(&evt_struct->iu.srp.cmd, 
+                               evt_struct, 
                                evt_struct->hostdata->dev);
 
                 if (rsp->doover)
@@ -583,6 +651,7 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
 {
         struct srp_cmd *srp_cmd;
         struct srp_event_struct *evt_struct;
+        struct indirect_descriptor *indirect;
         struct ibmvscsi_host_data *hostdata =
                 (struct ibmvscsi_host_data *)&cmnd->device->host->hostdata;
         u16 lun = lun_from_dev(cmnd->device);
@@ -591,14 +660,6 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
         if (!evt_struct)
                 return SCSI_MLQUEUE_HOST_BUSY;
 
-        init_event_struct(evt_struct,
-                          handle_cmd_rsp,
-                          VIOSRP_SRP_FORMAT,
-                          cmnd->timeout);
-
-        evt_struct->cmnd = cmnd;
-        evt_struct->cmnd_done = done;
-
         /* Set up the actual SRP IU */
         srp_cmd = &evt_struct->iu.srp.cmd;
         memset(srp_cmd, 0x00, sizeof(*srp_cmd));
@@ -606,17 +667,25 @@ static int ibmvscsi_queuecommand(struct scsi_cmnd *cmnd,
         memcpy(srp_cmd->cdb, cmnd->cmnd, sizeof(cmnd->cmnd));
         srp_cmd->lun = ((u64) lun) << 48;
 
-        if (!map_data_for_srp_cmd(cmnd, srp_cmd, hostdata->dev)) {
+        if (!map_data_for_srp_cmd(cmnd, evt_struct, srp_cmd, hostdata->dev)) {
                 printk(KERN_ERR "ibmvscsi: couldn't convert cmd to srp_cmd\n");
                 free_event_struct(&hostdata->pool, evt_struct);
                 return SCSI_MLQUEUE_HOST_BUSY;
         }
 
+        init_event_struct(evt_struct,
+                          handle_cmd_rsp,
+                          VIOSRP_SRP_FORMAT,
+                          cmnd->timeout_per_command/HZ);
+
+        evt_struct->cmnd = cmnd;
+        evt_struct->cmnd_done = done;
+
         /* Fix up dma address of the buffer itself */
-        if ((srp_cmd->data_out_format == SRP_INDIRECT_BUFFER) ||
-            (srp_cmd->data_in_format == SRP_INDIRECT_BUFFER)) {
-                struct indirect_descriptor *indirect =
-                    (struct indirect_descriptor *)srp_cmd->additional_data;
+        indirect = (struct indirect_descriptor *)srp_cmd->additional_data;
+        if (((srp_cmd->data_out_format == SRP_INDIRECT_BUFFER) ||
+            (srp_cmd->data_in_format == SRP_INDIRECT_BUFFER)) &&
+            (indirect->head.virtual_address == 0)) {
                 indirect->head.virtual_address = evt_struct->crq.IU_data_ptr +
                     offsetof(struct srp_cmd, additional_data) +
                     offsetof(struct indirect_descriptor, list);
@@ -826,11 +895,13 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
         struct srp_event_struct *tmp_evt, *found_evt;
         union viosrp_iu srp_rsp;
         int rsp_rc;
+        unsigned long flags;
         u16 lun = lun_from_dev(cmd->device);
 
         /* First, find this command in our sent list so we can figure
          * out the correct tag
          */
+        spin_lock_irqsave(hostdata->host->host_lock, flags);
         found_evt = NULL;
         list_for_each_entry(tmp_evt, &hostdata->sent, list) {
                 if (tmp_evt->cmnd == cmd) {
@@ -839,11 +910,14 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
                 }
         }
 
-        if (!found_evt) 
+        if (!found_evt) {
+                spin_unlock_irqrestore(hostdata->host->host_lock, flags);
                 return FAILED;
+        }
 
         evt = get_event_struct(&hostdata->pool);
         if (evt == NULL) {
+                spin_unlock_irqrestore(hostdata->host->host_lock, flags);
                 printk(KERN_ERR "ibmvscsi: failed to allocate abort event\n");
                 return FAILED;
         }
@@ -867,7 +941,9 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
         evt->sync_srp = &srp_rsp;
         init_completion(&evt->comp);
-        if (ibmvscsi_send_srp_event(evt, hostdata) != 0) {
+        rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
+        spin_unlock_irqrestore(hostdata->host->host_lock, flags);
+        if (rsp_rc != 0) {
                 printk(KERN_ERR "ibmvscsi: failed to send abort() event\n");
                 return FAILED;
         }
@@ -901,6 +977,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
          * The event is no longer in our list.  Make sure it didn't
          * complete while we were aborting
          */
+        spin_lock_irqsave(hostdata->host->host_lock, flags);
         found_evt = NULL;
         list_for_each_entry(tmp_evt, &hostdata->sent, list) {
                 if (tmp_evt->cmnd == cmd) {
@@ -910,6 +987,7 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
         }
 
         if (found_evt == NULL) {
+                spin_unlock_irqrestore(hostdata->host->host_lock, flags);
                 printk(KERN_INFO
                        "ibmvscsi: aborted task tag 0x%lx completed\n",
                        tsk_mgmt->managed_task_tag);
@@ -922,8 +1000,10 @@ static int ibmvscsi_eh_abort_handler(struct scsi_cmnd *cmd)
 
         cmd->result = (DID_ABORT << 16);
         list_del(&found_evt->list);
-        unmap_cmd_data(&found_evt->iu.srp.cmd, found_evt->hostdata->dev);
+        unmap_cmd_data(&found_evt->iu.srp.cmd, found_evt,
+                       found_evt->hostdata->dev);
         free_event_struct(&found_evt->hostdata->pool, found_evt);
+        spin_unlock_irqrestore(hostdata->host->host_lock, flags);
         atomic_inc(&hostdata->request_limit);
         return SUCCESS;
 }
@@ -943,10 +1023,13 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
         struct srp_event_struct *tmp_evt, *pos;
         union viosrp_iu srp_rsp;
         int rsp_rc;
+        unsigned long flags;
         u16 lun = lun_from_dev(cmd->device);
 
+        spin_lock_irqsave(hostdata->host->host_lock, flags);
         evt = get_event_struct(&hostdata->pool);
         if (evt == NULL) {
+                spin_unlock_irqrestore(hostdata->host->host_lock, flags);
                 printk(KERN_ERR "ibmvscsi: failed to allocate reset event\n");
                 return FAILED;
         }
@@ -969,7 +1052,9 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
 
         evt->sync_srp = &srp_rsp;
         init_completion(&evt->comp);
-        if (ibmvscsi_send_srp_event(evt, hostdata) != 0) {
+        rsp_rc = ibmvscsi_send_srp_event(evt, hostdata);
+        spin_unlock_irqrestore(hostdata->host->host_lock, flags);
+        if (rsp_rc != 0) {
                 printk(KERN_ERR "ibmvscsi: failed to send reset event\n");
                 return FAILED;
         }
@@ -1002,12 +1087,14 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
         /* We need to find all commands for this LUN that have not yet been
          * responded to, and fail them with DID_RESET
          */
+        spin_lock_irqsave(hostdata->host->host_lock, flags);
         list_for_each_entry_safe(tmp_evt, pos, &hostdata->sent, list) {
                 if ((tmp_evt->cmnd) && (tmp_evt->cmnd->device == cmd->device)) {
                         if (tmp_evt->cmnd)
                                 tmp_evt->cmnd->result = (DID_RESET << 16);
                         list_del(&tmp_evt->list);
-                        unmap_cmd_data(&tmp_evt->iu.srp.cmd, tmp_evt->hostdata->dev);
+                        unmap_cmd_data(&tmp_evt->iu.srp.cmd, tmp_evt,
+                                       tmp_evt->hostdata->dev);
                         free_event_struct(&tmp_evt->hostdata->pool,
                                                    tmp_evt);
                         atomic_inc(&hostdata->request_limit);
@@ -1017,6 +1104,7 @@ static int ibmvscsi_eh_device_reset_handler(struct scsi_cmnd *cmd)
                                 tmp_evt->done(tmp_evt);
                 }
         }
+        spin_unlock_irqrestore(hostdata->host->host_lock, flags);
         return SUCCESS;
 }
 
@@ -1035,6 +1123,7 @@ static void purge_requests(struct ibmvscsi_host_data *hostdata)
                 if (tmp_evt->cmnd) {
                         tmp_evt->cmnd->result = (DID_ERROR << 16);
                         unmap_cmd_data(&tmp_evt->iu.srp.cmd, 
+                                       tmp_evt, 
                                        tmp_evt->hostdata->dev);
                         if (tmp_evt->cmnd_done)
                                 tmp_evt->cmnd_done(tmp_evt->cmnd);
@@ -1339,7 +1428,7 @@ static struct scsi_host_template driver_template = {
         .cmd_per_lun = 16,
         .can_queue = 1,         /* Updated after SRP_LOGIN */
         .this_id = -1,
-        .sg_tablesize = MAX_INDIRECT_BUFS,
+        .sg_tablesize = SG_ALL,
         .use_clustering = ENABLE_CLUSTERING,
         .shost_attrs = ibmvscsi_attrs,
 };
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 1030b703c30e..8bec0438dc8a 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -68,6 +68,8 @@ struct srp_event_struct {
         void (*cmnd_done) (struct scsi_cmnd *);
         struct completion comp;
         union viosrp_iu *sync_srp;
+        struct memory_descriptor *ext_list;
+        dma_addr_t ext_list_token;
 };
 
 /* a pool of event structs for use */
diff --git a/drivers/scsi/lpfc/lpfc.h b/drivers/scsi/lpfc/lpfc.h
index 3bb82aae432e..adb95674823f 100644
--- a/drivers/scsi/lpfc/lpfc.h
+++ b/drivers/scsi/lpfc/lpfc.h
@@ -342,9 +342,6 @@ struct lpfc_hba {
 #define VPD_MASK            0xf         /* mask for any vpd data */
 
         struct timer_list els_tmofunc;
-
-        void *link_stats;
-
         /*
          * stat  counters
          */
@@ -370,6 +367,8 @@ struct lpfc_hba {
         struct list_head freebufList;
         struct list_head ctrspbuflist;
         struct list_head rnidrspbuflist;
+
+        struct fc_host_statistics link_stats;
 };
 
 
diff --git a/drivers/scsi/lpfc/lpfc_attr.c b/drivers/scsi/lpfc/lpfc_attr.c
index 3cea92883019..0e089a42c03a 100644
--- a/drivers/scsi/lpfc/lpfc_attr.c
+++ b/drivers/scsi/lpfc/lpfc_attr.c
@@ -23,6 +23,7 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_tcq.h>
@@ -988,8 +989,7 @@ lpfc_get_stats(struct Scsi_Host *shost)
 {
         struct lpfc_hba *phba = (struct lpfc_hba *)shost->hostdata[0];
         struct lpfc_sli *psli = &phba->sli;
-        struct fc_host_statistics *hs =
-                        (struct fc_host_statistics *)phba->link_stats;
+        struct fc_host_statistics *hs = &phba->link_stats;
         LPFC_MBOXQ_t *pmboxq;
         MAILBOX_t *pmb;
         int rc=0;
@@ -1020,6 +1020,8 @@ lpfc_get_stats(struct Scsi_Host *shost)
                 return NULL;
         }
 
+        memset(hs, 0, sizeof (struct fc_host_statistics));
+
         hs->tx_frames = pmb->un.varRdStatus.xmitFrameCnt;
         hs->tx_words = (pmb->un.varRdStatus.xmitByteCnt * 256);
         hs->rx_frames = pmb->un.varRdStatus.rcvFrameCnt;
diff --git a/drivers/scsi/lpfc/lpfc_ct.c b/drivers/scsi/lpfc/lpfc_ct.c
index 78adee4699af..1280f0e54636 100644
--- a/drivers/scsi/lpfc/lpfc_ct.c
+++ b/drivers/scsi/lpfc/lpfc_ct.c
@@ -27,8 +27,10 @@
 #include <linux/interrupt.h>
 #include <linux/utsname.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
index 2b1c9572dae7..63caf7fe9725 100644
--- a/drivers/scsi/lpfc/lpfc_els.c
+++ b/drivers/scsi/lpfc/lpfc_els.c
@@ -23,6 +23,7 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
diff --git a/drivers/scsi/lpfc/lpfc_hbadisc.c b/drivers/scsi/lpfc/lpfc_hbadisc.c
index 233901e9dfde..0a8269d6b130 100644
--- a/drivers/scsi/lpfc/lpfc_hbadisc.c
+++ b/drivers/scsi/lpfc/lpfc_hbadisc.c
@@ -24,6 +24,7 @@
 #include <linux/kthread.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
@@ -1135,6 +1136,8 @@ lpfc_nlp_list(struct lpfc_hba * phba, struct lpfc_nodelist * nlp, int list)
         switch(list) {
         case NLP_NO_LIST: /* No list, just remove it */
                 lpfc_nlp_remove(phba, nlp);
+                /* as node removed - stop further transport calls */
+                rport_del = none;
                 break;
         case NLP_UNUSED_LIST:
                 spin_lock_irq(phba->host->host_lock);
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 34d416d2b007..6f3cb59bf9e0 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -28,6 +28,7 @@
 #include <linux/pci.h>
 #include <linux/spinlock.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
@@ -1339,14 +1340,12 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
         if (pci_request_regions(pdev, LPFC_DRIVER_NAME))
                 goto out_disable_device;
 
-        host = scsi_host_alloc(&lpfc_template,
-                        sizeof (struct lpfc_hba) + sizeof (unsigned long));
+        host = scsi_host_alloc(&lpfc_template, sizeof (struct lpfc_hba));
         if (!host)
                 goto out_release_regions;
 
         phba = (struct lpfc_hba*)host->hostdata;
         memset(phba, 0, sizeof (struct lpfc_hba));
-        phba->link_stats = (void *)&phba[1];
         phba->host = host;
 
         phba->fc_flag |= FC_LOADING;
diff --git a/drivers/scsi/lpfc/lpfc_mbox.c b/drivers/scsi/lpfc/lpfc_mbox.c
index c27cf94795db..73eb89f91593 100644
--- a/drivers/scsi/lpfc/lpfc_mbox.c
+++ b/drivers/scsi/lpfc/lpfc_mbox.c
@@ -23,6 +23,11 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include <scsi/scsi.h>
+
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
 #include "lpfc_disc.h"
diff --git a/drivers/scsi/lpfc/lpfc_mem.c b/drivers/scsi/lpfc/lpfc_mem.c
index a5cfb6421fa9..0aba13ceaacf 100644
--- a/drivers/scsi/lpfc/lpfc_mem.c
+++ b/drivers/scsi/lpfc/lpfc_mem.c
@@ -23,6 +23,11 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_transport_fc.h>
+
+#include <scsi/scsi.h>
+
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
 #include "lpfc_disc.h"
diff --git a/drivers/scsi/lpfc/lpfc_nportdisc.c b/drivers/scsi/lpfc/lpfc_nportdisc.c
index 45dc0210fc49..9b35eaac781d 100644
--- a/drivers/scsi/lpfc/lpfc_nportdisc.c
+++ b/drivers/scsi/lpfc/lpfc_nportdisc.c
@@ -23,6 +23,7 @@
 #include <linux/pci.h>
 #include <linux/interrupt.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_transport_fc.h>
diff --git a/drivers/scsi/lpfc/lpfc_scsi.c b/drivers/scsi/lpfc/lpfc_scsi.c
index 17e4974d4445..b5ad1871d34b 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.c
+++ b/drivers/scsi/lpfc/lpfc_scsi.c
@@ -40,11 +40,6 @@
 #define LPFC_RESET_WAIT  2
 #define LPFC_ABORT_WAIT  2
 
-static inline void lpfc_put_lun(struct fcp_cmnd *fcmd, unsigned int lun)
-{
-        fcmd->fcpLunLsl = 0;
-        fcmd->fcpLunMsl = swab16((uint16_t)lun);
-}
 
 /*
  * This routine allocates a scsi buffer, which contains all the necessary
@@ -238,6 +233,8 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
                 bpl->tus.f.bdeSize = scsi_cmnd->request_bufflen;
                 if (datadir == DMA_TO_DEVICE)
                         bpl->tus.f.bdeFlags = 0;
+                else
+                        bpl->tus.f.bdeFlags = BUFF_USE_RCV;
                 bpl->tus.w = le32_to_cpu(bpl->tus.w);
                 num_bde = 1;
                 bpl++;
@@ -245,8 +242,11 @@ lpfc_scsi_prep_dma_buf(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd)
 
         /*
          * Finish initializing those IOCB fields that are dependent on the
-         * scsi_cmnd request_buffer
+         * scsi_cmnd request_buffer.  Note that the bdeSize is explicitly
+         * reinitialized since all iocb memory resources are used many times
+         * for transmit, receive, and continuation bpl's.
          */
+        iocb_cmd->un.fcpi64.bdl.bdeSize = (2 * sizeof (struct ulp_bde64));
         iocb_cmd->un.fcpi64.bdl.bdeSize +=
                 (num_bde * sizeof (struct ulp_bde64));
         iocb_cmd->ulpBdeCount = 1;
@@ -445,8 +445,11 @@ lpfc_scsi_prep_cmnd(struct lpfc_hba * phba, struct lpfc_scsi_buf * lpfc_cmd,
         int datadir = scsi_cmnd->sc_data_direction;
 
         lpfc_cmd->fcp_rsp->rspSnsLen = 0;
+        /* clear task management bits */
+        lpfc_cmd->fcp_cmnd->fcpCntl2 = 0;
 
-        lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
+        int_to_scsilun(lpfc_cmd->pCmd->device->lun,
+                        &lpfc_cmd->fcp_cmnd->fcp_lun);
 
         memcpy(&fcp_cmnd->fcpCdb[0], scsi_cmnd->cmnd, 16);
 
@@ -545,7 +548,8 @@ lpfc_scsi_prep_task_mgmt_cmd(struct lpfc_hba *phba,
         piocb = &piocbq->iocb;
 
         fcp_cmnd = lpfc_cmd->fcp_cmnd;
-        lpfc_put_lun(lpfc_cmd->fcp_cmnd, lpfc_cmd->pCmd->device->lun);
+        int_to_scsilun(lpfc_cmd->pCmd->device->lun,
+                        &lpfc_cmd->fcp_cmnd->fcp_lun);
         fcp_cmnd->fcpCntl2 = task_mgmt_cmd;
 
         piocb->ulpCommand = CMD_FCP_ICMND64_CR;
@@ -746,6 +750,10 @@ lpfc_queuecommand(struct scsi_cmnd *cmnd, void (*done) (struct scsi_cmnd *))
                         cmnd->result = ScsiResult(DID_NO_CONNECT, 0);
                         goto out_fail_command;
                 }
+                else if (ndlp->nlp_state == NLP_STE_NPR_NODE) {
+                        cmnd->result = ScsiResult(DID_BUS_BUSY, 0);
+                        goto out_fail_command;
+                }
                 /*
                  * The device is most likely recovered and the driver
                  * needs a bit more time to finish.  Ask the midlayer
diff --git a/drivers/scsi/lpfc/lpfc_scsi.h b/drivers/scsi/lpfc/lpfc_scsi.h
index 0fd9ba14e1b5..acd64c49e849 100644
--- a/drivers/scsi/lpfc/lpfc_scsi.h
+++ b/drivers/scsi/lpfc/lpfc_scsi.h
@@ -78,18 +78,7 @@ struct fcp_rsp {
 };
 
 struct fcp_cmnd {
-        uint32_t fcpLunMsl;     /* most  significant lun word (32 bits) */
-        uint32_t fcpLunLsl;     /* least significant lun word (32 bits) */
-        /* # of bits to shift lun id to end up in right
-         * payload word, little endian = 8, big = 16.
-         */
-#ifdef __BIG_ENDIAN
-#define FC_LUN_SHIFT         16
-#define FC_ADDR_MODE_SHIFT   24
-#else   /*  __LITTLE_ENDIAN */
-#define FC_LUN_SHIFT         8
-#define FC_ADDR_MODE_SHIFT   0
-#endif
+        struct scsi_lun  fcp_lun;
 
         uint8_t fcpCntl0;       /* FCP_CNTL byte 0 (reserved) */
         uint8_t fcpCntl1;       /* FCP_CNTL byte 1 task codes */
diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 1775508ed276..e74e224fd77c 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -24,9 +24,11 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 
+#include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
+#include <scsi/scsi_transport_fc.h>
 
 #include "lpfc_hw.h"
 #include "lpfc_sli.h"
diff --git a/drivers/scsi/lpfc/lpfc_version.h b/drivers/scsi/lpfc/lpfc_version.h
index 47dea48ee0ec..7e6747b06f90 100644
--- a/drivers/scsi/lpfc/lpfc_version.h
+++ b/drivers/scsi/lpfc/lpfc_version.h
@@ -18,7 +18,7 @@
  * included with this package.                                     *
  *******************************************************************/
 
-#define LPFC_DRIVER_VERSION "8.0.29"
+#define LPFC_DRIVER_VERSION "8.0.30"
 
 #define LPFC_DRIVER_NAME "lpfc"
 
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index b993652bfa25..637fb6565d28 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -996,7 +996,6 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
                 break;
 
         case ABORT_DEVICE:
-                ha->flags.in_reset = 1;
                 if (qla1280_verbose)
                         printk(KERN_INFO
                                "scsi(%ld:%d:%d:%d): Queueing abort device "
@@ -1010,7 +1009,6 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
                         printk(KERN_INFO
                                "scsi(%ld:%d:%d:%d): Queueing device reset "
                                "command.\n", ha->host_no, bus, target, lun);
-                ha->flags.in_reset = 1;
                 if (qla1280_device_reset(ha, bus, target) == 0)
                         result = SUCCESS;
                 break;
@@ -1019,7 +1017,6 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
                 if (qla1280_verbose)
                         printk(KERN_INFO "qla1280(%ld:%d): Issuing BUS "
                                "DEVICE RESET\n", ha->host_no, bus);
-                ha->flags.in_reset = 1;
                 if (qla1280_bus_reset(ha, bus == 0))
                         result = SUCCESS;
 
@@ -1047,7 +1044,6 @@ qla1280_error_action(struct scsi_cmnd *cmd, enum action action)
 
         if (!list_empty(&ha->done_q))
                 qla1280_done(ha);
-        ha->flags.in_reset = 0;
 
         /* If we didn't manage to issue the action, or we have no
          * command to wait for, exit here */
@@ -1269,6 +1265,22 @@ qla1280_biosparam_old(Disk * disk, kdev_t dev, int geom[])
         return qla1280_biosparam(disk->device, NULL, disk->capacity, geom);
 }
 #endif
+ 
+/* disable risc and host interrupts */
+static inline void
+qla1280_disable_intrs(struct scsi_qla_host *ha)
+{
+        WRT_REG_WORD(&ha->iobase->ictrl, 0);
+        RD_REG_WORD(&ha->iobase->ictrl);        /* PCI Posted Write flush */
+}
+
+/* enable risc and host interrupts */
+static inline void
+qla1280_enable_intrs(struct scsi_qla_host *ha)
+{
+        WRT_REG_WORD(&ha->iobase->ictrl, (ISP_EN_INT | ISP_EN_RISC));
+        RD_REG_WORD(&ha->iobase->ictrl);        /* PCI Posted Write flush */
+}
 
 /**************************************************************************
  * qla1280_intr_handler
@@ -1290,7 +1302,7 @@ qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
         ha->isr_count++;
         reg = ha->iobase;
 
-        WRT_REG_WORD(&reg->ictrl, 0);   /* disable our interrupt. */
+        qla1280_disable_intrs(ha);
 
         data = qla1280_debounce_register(&reg->istatus);
         /* Check for pending interrupts. */
@@ -1303,8 +1315,7 @@ qla1280_intr_handler(int irq, void *dev_id, struct pt_regs *regs)
 
         spin_unlock(HOST_LOCK);
 
-        /* enable our interrupt. */
-        WRT_REG_WORD(&reg->ictrl, (ISP_EN_INT | ISP_EN_RISC));
+        qla1280_enable_intrs(ha);
 
         LEAVE_INTR("qla1280_intr_handler");
         return IRQ_RETVAL(handled);
@@ -1317,7 +1328,7 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
         uint8_t mr;
         uint16_t mb[MAILBOX_REGISTER_COUNT];
         struct nvram *nv;
-        int status;
+        int status, lun;
 
         nv = &ha->nvram;
 
@@ -1325,24 +1336,38 @@ qla1280_set_target_parameters(struct scsi_qla_host *ha, int bus, int target)
 
         /* Set Target Parameters. */
         mb[0] = MBC_SET_TARGET_PARAMETERS;
-        mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
-        mb[1] <<= 8;
-
-        mb[2] = (nv->bus[bus].target[target].parameter.c << 8);
+        mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
+        mb[2] = nv->bus[bus].target[target].parameter.renegotiate_on_error << 8;
+        mb[2] |= nv->bus[bus].target[target].parameter.stop_queue_on_check << 9;
+        mb[2] |= nv->bus[bus].target[target].parameter.auto_request_sense << 10;
+        mb[2] |= nv->bus[bus].target[target].parameter.tag_queuing << 11;
+        mb[2] |= nv->bus[bus].target[target].parameter.enable_sync << 12;
+        mb[2] |= nv->bus[bus].target[target].parameter.enable_wide << 13;
+        mb[2] |= nv->bus[bus].target[target].parameter.parity_checking << 14;
+        mb[2] |= nv->bus[bus].target[target].parameter.disconnect_allowed << 15;
 
         if (IS_ISP1x160(ha)) {
                 mb[2] |= nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr << 5;
-                mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8) |
-                         nv->bus[bus].target[target].sync_period;
+                mb[3] = (nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8);
                 mb[6] = (nv->bus[bus].target[target].ppr_1x160.flags.ppr_options << 8) |
                          nv->bus[bus].target[target].ppr_1x160.flags.ppr_bus_width;
                 mr |= BIT_6;
         } else {
-                mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8) |
-                         nv->bus[bus].target[target].sync_period;
+                mb[3] = (nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8);
         }
+        mb[3] |= nv->bus[bus].target[target].sync_period;
 
-        status = qla1280_mailbox_command(ha, mr, &mb[0]);
+        status = qla1280_mailbox_command(ha, mr, mb);
+
+        /* Set Device Queue Parameters. */
+        for (lun = 0; lun < MAX_LUNS; lun++) {
+                mb[0] = MBC_SET_DEVICE_QUEUE;
+                mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
+                mb[1] |= lun;
+                mb[2] = nv->bus[bus].max_queue_depth;
+                mb[3] = nv->bus[bus].target[target].execution_throttle;
+                status |= qla1280_mailbox_command(ha, 0x0f, mb);
+        }
 
         if (status)
                 printk(KERN_WARNING "scsi(%ld:%i:%i): "
@@ -1389,19 +1414,19 @@ qla1280_slave_configure(struct scsi_device *device)
         }
 
 #if LINUX_VERSION_CODE > 0x020500
-        nv->bus[bus].target[target].parameter.f.enable_sync = device->sdtr;
-        nv->bus[bus].target[target].parameter.f.enable_wide = device->wdtr;
+        nv->bus[bus].target[target].parameter.enable_sync = device->sdtr;
+        nv->bus[bus].target[target].parameter.enable_wide = device->wdtr;
         nv->bus[bus].target[target].ppr_1x160.flags.enable_ppr = device->ppr;
 #endif
 
         if (driver_setup.no_sync ||
             (driver_setup.sync_mask &&
              (~driver_setup.sync_mask & (1 << target))))
-                nv->bus[bus].target[target].parameter.f.enable_sync = 0;
+                nv->bus[bus].target[target].parameter.enable_sync = 0;
         if (driver_setup.no_wide ||
             (driver_setup.wide_mask &&
              (~driver_setup.wide_mask & (1 << target))))
-                nv->bus[bus].target[target].parameter.f.enable_wide = 0;
+                nv->bus[bus].target[target].parameter.enable_wide = 0;
         if (IS_ISP1x160(ha)) {
                 if (driver_setup.no_ppr ||
                     (driver_setup.ppr_mask &&
@@ -1410,7 +1435,7 @@ qla1280_slave_configure(struct scsi_device *device)
         }
 
         spin_lock_irqsave(HOST_LOCK, flags);
-        if (nv->bus[bus].target[target].parameter.f.enable_sync)
+        if (nv->bus[bus].target[target].parameter.enable_sync)
                 status = qla1280_set_target_parameters(ha, bus, target);
         qla1280_get_target_parameters(ha, device);
         spin_unlock_irqrestore(HOST_LOCK, flags);
@@ -1448,7 +1473,6 @@ qla1280_select_queue_depth(struct Scsi_Host *host, struct scsi_device *sdev_q)
  *
  * Input:
  *      ha           = adapter block pointer.
- *      done_q       = done queue.
  */
 static void
 qla1280_done(struct scsi_qla_host *ha)
@@ -1522,7 +1546,7 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
         int host_status = DID_ERROR;
         uint16_t comp_status = le16_to_cpu(sts->comp_status);
         uint16_t state_flags = le16_to_cpu(sts->state_flags);
-        uint16_t residual_length = le16_to_cpu(sts->residual_length);
+        uint16_t residual_length = le32_to_cpu(sts->residual_length);
         uint16_t scsi_status = le16_to_cpu(sts->scsi_status);
 #if DEBUG_QLA1280_INTR
         static char *reason[] = {
@@ -1582,7 +1606,7 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
 
         case CS_DATA_OVERRUN:
                 dprintk(2, "Data overrun 0x%x\n", residual_length);
-                dprintk(2, "qla1280_isr: response packet data\n");
+                dprintk(2, "qla1280_return_status: response packet data\n");
                 qla1280_dump_buffer(2, (char *)sts, RESPONSE_ENTRY_SIZE);
                 host_status = DID_ERROR;
                 break;
@@ -1617,40 +1641,6 @@ qla1280_return_status(struct response * sts, struct scsi_cmnd *cp)
 /*                QLogic ISP1280 Hardware Support Functions.                */
 /****************************************************************************/
 
- /*
-  * qla2100_enable_intrs
-  * qla2100_disable_intrs
-  *
-  * Input:
-  *      ha = adapter block pointer.
-  *
-  * Returns:
-  *      None
-  */
-static inline void
-qla1280_enable_intrs(struct scsi_qla_host *ha)
-{
-        struct device_reg __iomem *reg;
-
-        reg = ha->iobase;
-        /* enable risc and host interrupts */
-        WRT_REG_WORD(&reg->ictrl, (ISP_EN_INT | ISP_EN_RISC));
-        RD_REG_WORD(&reg->ictrl);       /* PCI Posted Write flush */
-        ha->flags.ints_enabled = 1;
-}
-
-static inline void
-qla1280_disable_intrs(struct scsi_qla_host *ha)
-{
-        struct device_reg __iomem *reg;
-
-        reg = ha->iobase;
-        /* disable risc and host interrupts */
-        WRT_REG_WORD(&reg->ictrl, 0);
-        RD_REG_WORD(&reg->ictrl);       /* PCI Posted Write flush */
-        ha->flags.ints_enabled = 0;
-}
-
 /*
  * qla1280_initialize_adapter
  *      Initialize board.
@@ -1679,7 +1669,6 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
         ha->flags.reset_active = 0;
         ha->flags.abort_isp_active = 0;
 
-        ha->flags.ints_enabled = 0;
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_SGI_SN2)
         if (ia64_platform_is("sn2")) {
                 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
@@ -1758,69 +1747,6 @@ qla1280_initialize_adapter(struct scsi_qla_host *ha)
         return status;
 }
 
-
-/*
- * ISP Firmware Test
- *      Checks if present version of RISC firmware is older than
- *      driver firmware.
- *
- * Input:
- *      ha = adapter block pointer.
- *
- * Returns:
- *      0 = firmware does not need to be loaded.
- */
-static int
-qla1280_isp_firmware(struct scsi_qla_host *ha)
-{
-        struct nvram *nv = (struct nvram *) ha->response_ring;
-        int status = 0;         /* dg 2/27 always loads RISC */
-        uint16_t mb[MAILBOX_REGISTER_COUNT];
-
-        ENTER("qla1280_isp_firmware");
-
-        dprintk(1, "scsi(%li): Determining if RISC is loaded\n", ha->host_no);
-
-        /* Bad NVRAM data, load RISC code. */
-        if (!ha->nvram_valid) {
-                ha->flags.disable_risc_code_load = 0;
-        } else
-                ha->flags.disable_risc_code_load =
-                        nv->cntr_flags_1.disable_loading_risc_code;
-
-        if (ha->flags.disable_risc_code_load) {
-                dprintk(3, "qla1280_isp_firmware: Telling RISC to verify "
-                        "checksum of loaded BIOS code.\n");
-
-                /* Verify checksum of loaded RISC code. */
-                mb[0] = MBC_VERIFY_CHECKSUM;
-                /* mb[1] = ql12_risc_code_addr01; */
-                mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
-
-                if (!(status =
-                      qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]))) {
-                        /* Start firmware execution. */
-                        dprintk(3, "qla1280_isp_firmware: Startng F/W "
-                                "execution.\n");
-
-                        mb[0] = MBC_EXECUTE_FIRMWARE;
-                        /* mb[1] = ql12_risc_code_addr01; */
-                        mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
-                        qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
-                } else
-                        printk(KERN_INFO "qla1280: RISC checksum failed.\n");
-        } else {
-                dprintk(1, "qla1280: NVRAM configured to load RISC load.\n");
-                status = 1;
-        }
-
-        if (status)
-                dprintk(2, "qla1280_isp_firmware: **** Load RISC code ****\n");
-
-        LEAVE("qla1280_isp_firmware");
-        return status;
-}
-
 /*
  * Chip diagnostics
  *      Test chip for proper operation.
@@ -2006,7 +1932,7 @@ qla1280_load_firmware_dma(struct scsi_qla_host *ha)
                         "%d,%d(0x%x)\n",
                         risc_code_address, cnt, num, risc_address);
                 for(i = 0; i < cnt; i++)
-                        ((uint16_t *)ha->request_ring)[i] =
+                        ((__le16 *)ha->request_ring)[i] =
                                 cpu_to_le16(risc_code_address[i]);
 
                 mb[0] = MBC_LOAD_RAM;
@@ -2085,7 +2011,7 @@ qla1280_start_firmware(struct scsi_qla_host *ha)
         mb[1] = *ql1280_board_tbl[ha->devnum].fwstart;
         err = qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
         if (err) {
-                printk(KERN_ERR "scsi(%li): Failed checksum\n", ha->host_no);
+                printk(KERN_ERR "scsi(%li): RISC checksum failed.\n", ha->host_no);
                 return err;
         }
 
@@ -2105,14 +2031,7 @@ qla1280_start_firmware(struct scsi_qla_host *ha)
 static int
 qla1280_load_firmware(struct scsi_qla_host *ha)
 {
-        int err = -ENODEV;
-
-        /* If firmware needs to be loaded */
-        if (!qla1280_isp_firmware(ha)) {
-                printk(KERN_ERR "scsi(%li): isp_firmware() failed!\n",
-                                ha->host_no);
-                goto out;
-        }
+        int err;
 
         err = qla1280_chip_diag(ha);
         if (err)
@@ -2246,17 +2165,17 @@ qla1280_set_target_defaults(struct scsi_qla_host *ha, int bus, int target)
 {
         struct nvram *nv = &ha->nvram;
 
-        nv->bus[bus].target[target].parameter.f.renegotiate_on_error = 1;
-        nv->bus[bus].target[target].parameter.f.auto_request_sense = 1;
-        nv->bus[bus].target[target].parameter.f.tag_queuing = 1;
-        nv->bus[bus].target[target].parameter.f.enable_sync = 1;
+        nv->bus[bus].target[target].parameter.renegotiate_on_error = 1;
+        nv->bus[bus].target[target].parameter.auto_request_sense = 1;
+        nv->bus[bus].target[target].parameter.tag_queuing = 1;
+        nv->bus[bus].target[target].parameter.enable_sync = 1;
 #if 1   /* Some SCSI Processors do not seem to like this */
-        nv->bus[bus].target[target].parameter.f.enable_wide = 1;
+        nv->bus[bus].target[target].parameter.enable_wide = 1;
 #endif
-        nv->bus[bus].target[target].parameter.f.parity_checking = 1;
-        nv->bus[bus].target[target].parameter.f.disconnect_allowed = 1;
         nv->bus[bus].target[target].execution_throttle =
                 nv->bus[bus].max_queue_depth - 1;
+        nv->bus[bus].target[target].parameter.parity_checking = 1;
+        nv->bus[bus].target[target].parameter.disconnect_allowed = 1;
 
         if (IS_ISP1x160(ha)) {
                 nv->bus[bus].target[target].flags.flags1x160.device_enable = 1;
@@ -2284,9 +2203,9 @@ qla1280_set_defaults(struct scsi_qla_host *ha)
         /* nv->cntr_flags_1.disable_loading_risc_code = 1; */
         nv->firmware_feature.f.enable_fast_posting = 1;
         nv->firmware_feature.f.disable_synchronous_backoff = 1;
-        nv->termination.f.scsi_bus_0_control = 3;
-        nv->termination.f.scsi_bus_1_control = 3;
-        nv->termination.f.auto_term_support = 1;
+        nv->termination.scsi_bus_0_control = 3;
+        nv->termination.scsi_bus_1_control = 3;
+        nv->termination.auto_term_support = 1;
 
         /*
          * Set default FIFO magic - What appropriate values would be here
@@ -2296,7 +2215,12 @@ qla1280_set_defaults(struct scsi_qla_host *ha)
          * header file provided by QLogic seems to be bogus or incomplete
          * at best.
          */
-        nv->isp_config.c = ISP_CFG1_BENAB|ISP_CFG1_F128;
+        nv->isp_config.burst_enable = 1;
+        if (IS_ISP1040(ha))
+                nv->isp_config.fifo_threshold |= 3;
+        else
+                nv->isp_config.fifo_threshold |= 4;
+
         if (IS_ISP1x160(ha))
                 nv->isp_parameter = 0x01; /* fast memory enable */
 
@@ -2327,66 +2251,53 @@ qla1280_config_target(struct scsi_qla_host *ha, int bus, int target)
         struct nvram *nv = &ha->nvram;
         uint16_t mb[MAILBOX_REGISTER_COUNT];
         int status, lun;
+        uint16_t flag;
 
         /* Set Target Parameters. */
         mb[0] = MBC_SET_TARGET_PARAMETERS;
-        mb[1] = (uint16_t) (bus ? target | BIT_7 : target);
-        mb[1] <<= 8;
-
-        /*
-         * Do not enable wide, sync, and ppr for the initial
-         * INQUIRY run. We enable this later if we determine
-         * the target actually supports it.
-         */
-        nv->bus[bus].target[target].parameter.f.
-                auto_request_sense = 1;
-        nv->bus[bus].target[target].parameter.f.
-                stop_queue_on_check = 0;
-
-        if (IS_ISP1x160(ha))
-                nv->bus[bus].target[target].ppr_1x160.
-                        flags.enable_ppr = 0;
+        mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
 
         /*
-         * No sync, wide, etc. while probing
+         * Do not enable sync and ppr for the initial INQUIRY run. We
+         * enable this later if we determine the target actually
+         * supports it.
          */
-        mb[2] = (nv->bus[bus].target[target].parameter.c << 8) &
-                ~(TP_SYNC /*| TP_WIDE | TP_PPR*/);
+        mb[2] = (TP_RENEGOTIATE | TP_AUTO_REQUEST_SENSE | TP_TAGGED_QUEUE
+                 | TP_WIDE | TP_PARITY | TP_DISCONNECT);
 
         if (IS_ISP1x160(ha))
                 mb[3] = nv->bus[bus].target[target].flags.flags1x160.sync_offset << 8;
         else
                 mb[3] = nv->bus[bus].target[target].flags.flags1x80.sync_offset << 8;
         mb[3] |= nv->bus[bus].target[target].sync_period;
-
-        status = qla1280_mailbox_command(ha, BIT_3 | BIT_2 | BIT_1 | BIT_0, &mb[0]);
+        status = qla1280_mailbox_command(ha, 0x0f, mb);
 
         /* Save Tag queuing enable flag. */
-        mb[0] = BIT_0 << target;
-        if (nv->bus[bus].target[target].parameter.f.tag_queuing)
-                ha->bus_settings[bus].qtag_enables |= mb[0];
+        flag = (BIT_0 << target) & mb[0];
+        if (nv->bus[bus].target[target].parameter.tag_queuing)
+                ha->bus_settings[bus].qtag_enables |= flag;
 
         /* Save Device enable flag. */
         if (IS_ISP1x160(ha)) {
                 if (nv->bus[bus].target[target].flags.flags1x160.device_enable)
-                        ha->bus_settings[bus].device_enables |= mb[0];
+                        ha->bus_settings[bus].device_enables |= flag;
                 ha->bus_settings[bus].lun_disables |= 0;
         } else {
                 if (nv->bus[bus].target[target].flags.flags1x80.device_enable)
-                        ha->bus_settings[bus].device_enables |= mb[0];
+                        ha->bus_settings[bus].device_enables |= flag;
                 /* Save LUN disable flag. */
                 if (nv->bus[bus].target[target].flags.flags1x80.lun_disable)
-                        ha->bus_settings[bus].lun_disables |= mb[0];
+                        ha->bus_settings[bus].lun_disables |= flag;
         }
 
         /* Set Device Queue Parameters. */
         for (lun = 0; lun < MAX_LUNS; lun++) {
                 mb[0] = MBC_SET_DEVICE_QUEUE;
-                mb[1] = (uint16_t)(bus ? target | BIT_7 : target);
-                mb[1] = mb[1] << 8 | lun;
+                mb[1] = (uint16_t)((bus ? target | BIT_7 : target) << 8);
+                mb[1] |= lun;
                 mb[2] = nv->bus[bus].max_queue_depth;
                 mb[3] = nv->bus[bus].target[target].execution_throttle;
-                status |= qla1280_mailbox_command(ha, 0x0f, &mb[0]);
+                status |= qla1280_mailbox_command(ha, 0x0f, mb);
         }
 
         return status;
@@ -2431,7 +2342,6 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
         struct nvram *nv = &ha->nvram;
         int bus, target, status = 0;
         uint16_t mb[MAILBOX_REGISTER_COUNT];
-        uint16_t mask;
 
         ENTER("qla1280_nvram_config");
 
@@ -2439,7 +2349,7 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
                 /* Always force AUTO sense for LINUX SCSI */
                 for (bus = 0; bus < MAX_BUSES; bus++)
                         for (target = 0; target < MAX_TARGETS; target++) {
-                                nv->bus[bus].target[target].parameter.f.
+                                nv->bus[bus].target[target].parameter.
                                         auto_request_sense = 1;
                         }
         } else {
@@ -2457,31 +2367,40 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
 
                 hwrev = RD_REG_WORD(&reg->cfg_0) & ISP_CFG0_HWMSK;
 
-                cfg1 = RD_REG_WORD(&reg->cfg_1);
+                cfg1 = RD_REG_WORD(&reg->cfg_1) & ~(BIT_4 | BIT_5 | BIT_6);
                 cdma_conf = RD_REG_WORD(&reg->cdma_cfg);
                 ddma_conf = RD_REG_WORD(&reg->ddma_cfg);
 
                 /* Busted fifo, says mjacob. */
-                if (hwrev == ISP_CFG0_1040A)
-                        WRT_REG_WORD(&reg->cfg_1, cfg1 | ISP_CFG1_F64);
-                else
-                        WRT_REG_WORD(&reg->cfg_1, cfg1 | ISP_CFG1_F64 | ISP_CFG1_BENAB);
+                if (hwrev != ISP_CFG0_1040A)
+                        cfg1 |= nv->isp_config.fifo_threshold << 4;
+
+                cfg1 |= nv->isp_config.burst_enable << 2;
+                WRT_REG_WORD(&reg->cfg_1, cfg1);
 
                 WRT_REG_WORD(&reg->cdma_cfg, cdma_conf | CDMA_CONF_BENAB);
                 WRT_REG_WORD(&reg->ddma_cfg, cdma_conf | DDMA_CONF_BENAB);
         } else {
+                uint16_t cfg1, term;
+
                 /* Set ISP hardware DMA burst */
-                mb[0] = nv->isp_config.c;
+                cfg1 = nv->isp_config.fifo_threshold << 4;
+                cfg1 |= nv->isp_config.burst_enable << 2;
                 /* Enable DMA arbitration on dual channel controllers */
                 if (ha->ports > 1)
-                        mb[0] |= BIT_13;
-                WRT_REG_WORD(&reg->cfg_1, mb[0]);
+                        cfg1 |= BIT_13;
+                WRT_REG_WORD(&reg->cfg_1, cfg1);
 
                 /* Set SCSI termination. */
-                WRT_REG_WORD(&reg->gpio_enable, (BIT_3 + BIT_2 + BIT_1 + BIT_0));
-                mb[0] = nv->termination.c & (BIT_3 + BIT_2 + BIT_1 + BIT_0);
-                WRT_REG_WORD(&reg->gpio_data, mb[0]);
+                WRT_REG_WORD(&reg->gpio_enable,
+                             BIT_7 | BIT_3 | BIT_2 | BIT_1 | BIT_0);
+                term = nv->termination.scsi_bus_1_control;
+                term |= nv->termination.scsi_bus_0_control << 2;
+                term |= nv->termination.auto_term_support << 7;
+                RD_REG_WORD(&reg->id_l);        /* Flush PCI write */
+                WRT_REG_WORD(&reg->gpio_data, term);
         }
+        RD_REG_WORD(&reg->id_l);        /* Flush PCI write */
 
         /* ISP parameter word. */
         mb[0] = MBC_SET_SYSTEM_PARAMETER;
@@ -2497,16 +2416,17 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
 
         /* Firmware feature word. */
         mb[0] = MBC_SET_FIRMWARE_FEATURES;
-        mask = BIT_5 | BIT_1 | BIT_0;
-        mb[1] = le16_to_cpu(nv->firmware_feature.w) & (mask);
+        mb[1] = nv->firmware_feature.f.enable_fast_posting;
+        mb[1] |= nv->firmware_feature.f.report_lvd_bus_transition << 1;
+        mb[1] |= nv->firmware_feature.f.disable_synchronous_backoff << 5;
 #if defined(CONFIG_IA64_GENERIC) || defined (CONFIG_IA64_SGI_SN2)
         if (ia64_platform_is("sn2")) {
                 printk(KERN_INFO "scsi(%li): Enabling SN2 PCI DMA "
                        "workaround\n", ha->host_no);
-                mb[1] |= BIT_9;
+                mb[1] |= nv->firmware_feature.f.unused_9 << 9; /* XXX */
         }
 #endif
-        status |= qla1280_mailbox_command(ha, mask, &mb[0]);
+        status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
 
         /* Retry count and delay. */
         mb[0] = MBC_SET_RETRY_COUNT;
@@ -2535,27 +2455,27 @@ qla1280_nvram_config(struct scsi_qla_host *ha)
                 mb[2] |= BIT_5;
         if (nv->bus[1].config_2.data_line_active_negation)
                 mb[2] |= BIT_4;
-        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
+        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
 
         mb[0] = MBC_SET_DATA_OVERRUN_RECOVERY;
         mb[1] = 2;      /* Reset SCSI bus and return all outstanding IO */
-        status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
+        status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
 
         /* thingy */
         mb[0] = MBC_SET_PCI_CONTROL;
-        mb[1] = 2;      /* Data DMA Channel Burst Enable */
-        mb[2] = 2;      /* Command DMA Channel Burst Enable */
-        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
+        mb[1] = BIT_1;  /* Data DMA Channel Burst Enable */
+        mb[2] = BIT_1;  /* Command DMA Channel Burst Enable */
+        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
 
         mb[0] = MBC_SET_TAG_AGE_LIMIT;
         mb[1] = 8;
-        status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, &mb[0]);
+        status |= qla1280_mailbox_command(ha, BIT_1 | BIT_0, mb);
 
         /* Selection timeout. */
         mb[0] = MBC_SET_SELECTION_TIMEOUT;
         mb[1] = nv->bus[0].selection_timeout;
         mb[2] = nv->bus[1].selection_timeout;
-        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, &mb[0]);
+        status |= qla1280_mailbox_command(ha, BIT_2 | BIT_1 | BIT_0, mb);
 
         for (bus = 0; bus < ha->ports; bus++)
                 status |= qla1280_config_bus(ha, bus);
@@ -3066,7 +2986,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
         struct scsi_cmnd *cmd = sp->cmd;
         cmd_a64_entry_t *pkt;
         struct scatterlist *sg = NULL;
-        u32 *dword_ptr;
+        __le32 *dword_ptr;
         dma_addr_t dma_handle;
         int status = 0;
         int cnt;
@@ -3104,10 +3024,13 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
                                 REQUEST_ENTRY_CNT - (ha->req_ring_index - cnt);
         }
 
+        dprintk(3, "Number of free entries=(%d) seg_cnt=0x%x\n",
+                ha->req_q_cnt, seg_cnt);
+
         /* If room for request in request ring. */
         if ((req_cnt + 2) >= ha->req_q_cnt) {
                 status = 1;
-                dprintk(2, "qla1280_64bit_start_scsi: in-ptr=0x%x  req_q_cnt="
+                dprintk(2, "qla1280_start_scsi: in-ptr=0x%x  req_q_cnt="
                         "0x%xreq_cnt=0x%x", ha->req_ring_index, ha->req_q_cnt,
                         req_cnt);
                 goto out;
@@ -3119,7 +3042,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 
         if (cnt >= MAX_OUTSTANDING_COMMANDS) {
                 status = 1;
-                dprintk(2, "qla1280_64bit_start_scsi: NO ROOM IN "
+                dprintk(2, "qla1280_start_scsi: NO ROOM IN "
                         "OUTSTANDING ARRAY, req_q_cnt=0x%x", ha->req_q_cnt);
                 goto out;
         }
@@ -3128,7 +3051,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
         ha->req_q_cnt -= req_cnt;
         CMD_HANDLE(sp->cmd) = (unsigned char *)(unsigned long)(cnt + 1);
 
-        dprintk(2, "64bit_start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp,
+        dprintk(2, "start: cmd=%p sp=%p CDB=%xm, handle %lx\n", cmd, sp,
                 cmd->cmnd[0], (long)CMD_HANDLE(sp->cmd));
         dprintk(2, "             bus %i, target %i, lun %i\n",
                 SCSI_BUS_32(cmd), SCSI_TCN_32(cmd), SCSI_LUN_32(cmd));
@@ -3350,7 +3273,7 @@ qla1280_32bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
         struct scsi_cmnd *cmd = sp->cmd;
         struct cmd_entry *pkt;
         struct scatterlist *sg = NULL;
-        uint32_t *dword_ptr;
+        __le32 *dword_ptr;
         int status = 0;
         int cnt;
         int req_cnt;
@@ -3993,21 +3916,21 @@ qla1280_get_target_options(struct scsi_cmnd *cmd, struct scsi_qla_host *ha)
         result = cmd->request_buffer;
         n = &ha->nvram;
 
-        n->bus[bus].target[target].parameter.f.enable_wide = 0;
-        n->bus[bus].target[target].parameter.f.enable_sync = 0;
+        n->bus[bus].target[target].parameter.enable_wide = 0;
+        n->bus[bus].target[target].parameter.enable_sync = 0;
         n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 0;
 
         if (result[7] & 0x60)
-                n->bus[bus].target[target].parameter.f.enable_wide = 1;
+                n->bus[bus].target[target].parameter.enable_wide = 1;
         if (result[7] & 0x10)
-                n->bus[bus].target[target].parameter.f.enable_sync = 1;
+                n->bus[bus].target[target].parameter.enable_sync = 1;
         if ((result[2] >= 3) && (result[4] + 5 > 56) &&
             (result[56] & 0x4))
                 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr = 1;
 
         dprintk(2, "get_target_options(): wide %i, sync %i, ppr %i\n",
-                n->bus[bus].target[target].parameter.f.enable_wide,
-                n->bus[bus].target[target].parameter.f.enable_sync,
+                n->bus[bus].target[target].parameter.enable_wide,
+                n->bus[bus].target[target].parameter.enable_sync,
                 n->bus[bus].target[target].ppr_1x160.flags.enable_ppr);
 }
 #endif
@@ -4071,7 +3994,7 @@ qla1280_status_entry(struct scsi_qla_host *ha, struct response *pkt,
                 /* Save ISP completion status */
                 CMD_RESULT(cmd) = qla1280_return_status(pkt, cmd);
 
-                if (scsi_status & SS_CHECK_CONDITION) {
+                if (scsi_status & SAM_STAT_CHECK_CONDITION) {
                         if (comp_status != CS_ARS_FAILED) {
                                 uint16_t req_sense_length =
                                         le16_to_cpu(pkt->req_sense_length);
@@ -4650,7 +4573,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         if (pci_set_dma_mask(ha->pdev, (dma_addr_t) ~ 0ULL)) {
                 if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
                         printk(KERN_WARNING "scsi(%li): Unable to set a "
-                               " suitable DMA mask - aboring\n", ha->host_no);
+                               "suitable DMA mask - aborting\n", ha->host_no);
                         error = -ENODEV;
                         goto error_free_irq;
                 }
@@ -4660,14 +4583,14 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 #else
         if (pci_set_dma_mask(ha->pdev, 0xffffffff)) {
                 printk(KERN_WARNING "scsi(%li): Unable to set a "
-                       " suitable DMA mask - aboring\n", ha->host_no);
+                       "suitable DMA mask - aborting\n", ha->host_no);
                 error = -ENODEV;
                 goto error_free_irq;
         }
 #endif
 
         ha->request_ring = pci_alloc_consistent(ha->pdev,
-                        ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
+                        ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
                         &ha->request_dma);
         if (!ha->request_ring) {
                 printk(KERN_INFO "qla1280: Failed to get request memory\n");
@@ -4675,7 +4598,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         }
 
         ha->response_ring = pci_alloc_consistent(ha->pdev,
-                        ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
+                        ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
                         &ha->response_dma);
         if (!ha->response_ring) {
                 printk(KERN_INFO "qla1280: Failed to get response memory\n");
@@ -4758,7 +4681,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
 #if LINUX_VERSION_CODE >= 0x020600
  error_disable_adapter:
-        WRT_REG_WORD(&ha->iobase->ictrl, 0);
+        qla1280_disable_intrs(ha);
 #endif
  error_free_irq:
         free_irq(pdev->irq, ha);
@@ -4770,11 +4693,11 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 #endif
  error_free_response_ring:
         pci_free_consistent(ha->pdev,
-                        ((RESPONSE_ENTRY_CNT + 1) * (sizeof(struct response))),
+                        ((RESPONSE_ENTRY_CNT + 1) * sizeof(struct response)),
                         ha->response_ring, ha->response_dma);
  error_free_request_ring:
         pci_free_consistent(ha->pdev,
-                        ((REQUEST_ENTRY_CNT + 1) * (sizeof(request_t))),
+                        ((REQUEST_ENTRY_CNT + 1) * sizeof(request_t)),
                         ha->request_ring, ha->request_dma);
  error_put_host:
         scsi_host_put(host);
@@ -4795,7 +4718,7 @@ qla1280_remove_one(struct pci_dev *pdev)
         scsi_remove_host(host);
 #endif
 
-        WRT_REG_WORD(&ha->iobase->ictrl, 0);
+        qla1280_disable_intrs(ha);
 
         free_irq(pdev->irq, ha);
 
diff --git a/drivers/scsi/qla1280.h b/drivers/scsi/qla1280.h
index d245ae07518e..59915fb70301 100644
--- a/drivers/scsi/qla1280.h
+++ b/drivers/scsi/qla1280.h
@@ -94,9 +94,6 @@
 #define REQUEST_ENTRY_CNT               256 /* Number of request entries. */
 #define RESPONSE_ENTRY_CNT              16  /* Number of response entries. */
 
-/* Number of segments 1 - 65535 */
-#define SG_SEGMENTS                     32  /* Cmd entry + 6 continuations */
-
 /*
  * SCSI Request Block structure  (sp)  that is placed
  * on cmd->SCp location of every I/O
@@ -378,29 +375,23 @@ struct nvram {
         uint16_t unused_12;     /* 12, 13 */
         uint16_t unused_14;     /* 14, 15 */
 
-        union {
-                uint8_t c;
-                struct {
-                        uint8_t reserved:2;
-                        uint8_t burst_enable:1;
-                        uint8_t reserved_1:1;
-                        uint8_t fifo_threshold:4;
-                } f;
+        struct {
+                uint8_t reserved:2;
+                uint8_t burst_enable:1;
+                uint8_t reserved_1:1;
+                uint8_t fifo_threshold:4;
         } isp_config;           /* 16 */
 
         /* Termination
          * 0 = Disable, 1 = high only, 3 = Auto term
          */
-        union {
-                uint8_t c;
-                struct {
-                        uint8_t scsi_bus_1_control:2;
-                        uint8_t scsi_bus_0_control:2;
-                        uint8_t unused_0:1;
-                        uint8_t unused_1:1;
-                        uint8_t unused_2:1;
-                        uint8_t auto_term_support:1;
-                } f;
+        struct {
+                uint8_t scsi_bus_1_control:2;
+                uint8_t scsi_bus_0_control:2;
+                uint8_t unused_0:1;
+                uint8_t unused_1:1;
+                uint8_t unused_2:1;
+                uint8_t auto_term_support:1;
         } termination;          /* 17 */
 
         uint16_t isp_parameter; /* 18, 19 */
@@ -460,18 +451,15 @@ struct nvram {
                 uint16_t unused_38;     /* 38, 39 */
 
                 struct {
-                        union {
-                                uint8_t c;
-                                struct {
-                                        uint8_t renegotiate_on_error:1;
-                                        uint8_t stop_queue_on_check:1;
-                                        uint8_t auto_request_sense:1;
-                                        uint8_t tag_queuing:1;
-                                        uint8_t enable_sync:1;
-                                        uint8_t enable_wide:1;
-                                        uint8_t parity_checking:1;
-                                        uint8_t disconnect_allowed:1;
-                                } f;
+                        struct {
+                                uint8_t renegotiate_on_error:1;
+                                uint8_t stop_queue_on_check:1;
+                                uint8_t auto_request_sense:1;
+                                uint8_t tag_queuing:1;
+                                uint8_t enable_sync:1;
+                                uint8_t enable_wide:1;
+                                uint8_t parity_checking:1;
+                                uint8_t disconnect_allowed:1;
                         } parameter;    /* 40 */
 
                         uint8_t execution_throttle;     /* 41 */
@@ -528,23 +516,23 @@ struct cmd_entry {
         uint8_t entry_count;            /* Entry count. */
         uint8_t sys_define;             /* System defined. */
         uint8_t entry_status;           /* Entry Status. */
-        uint32_t handle;                /* System handle. */
+        __le32 handle;                  /* System handle. */
         uint8_t lun;                    /* SCSI LUN */
         uint8_t target;                 /* SCSI ID */
-        uint16_t cdb_len;               /* SCSI command length. */
-        uint16_t control_flags;         /* Control flags. */
-        uint16_t reserved;
-        uint16_t timeout;               /* Command timeout. */
-        uint16_t dseg_count;            /* Data segment count. */
+        __le16 cdb_len;                 /* SCSI command length. */
+        __le16 control_flags;           /* Control flags. */
+        __le16 reserved;
+        __le16 timeout;                 /* Command timeout. */
+        __le16 dseg_count;              /* Data segment count. */
         uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
-        uint32_t dseg_0_address;        /* Data segment 0 address. */
-        uint32_t dseg_0_length;         /* Data segment 0 length. */
-        uint32_t dseg_1_address;        /* Data segment 1 address. */
-        uint32_t dseg_1_length;         /* Data segment 1 length. */
-        uint32_t dseg_2_address;        /* Data segment 2 address. */
-        uint32_t dseg_2_length;         /* Data segment 2 length. */
-        uint32_t dseg_3_address;        /* Data segment 3 address. */
-        uint32_t dseg_3_length;         /* Data segment 3 length. */
+        __le32 dseg_0_address;          /* Data segment 0 address. */
+        __le32 dseg_0_length;           /* Data segment 0 length. */
+        __le32 dseg_1_address;          /* Data segment 1 address. */
+        __le32 dseg_1_length;           /* Data segment 1 length. */
+        __le32 dseg_2_address;          /* Data segment 2 address. */
+        __le32 dseg_2_length;           /* Data segment 2 length. */
+        __le32 dseg_3_address;          /* Data segment 3 address. */
+        __le32 dseg_3_length;           /* Data segment 3 length. */
 };
 
 /*
@@ -556,21 +544,21 @@ struct cont_entry {
         uint8_t entry_count;            /* Entry count. */
         uint8_t sys_define;             /* System defined. */
         uint8_t entry_status;           /* Entry Status. */
-        uint32_t reserved;              /* Reserved */
-        uint32_t dseg_0_address;        /* Data segment 0 address. */
-        uint32_t dseg_0_length;         /* Data segment 0 length. */
-        uint32_t dseg_1_address;        /* Data segment 1 address. */
-        uint32_t dseg_1_length;         /* Data segment 1 length. */
-        uint32_t dseg_2_address;        /* Data segment 2 address. */
-        uint32_t dseg_2_length;         /* Data segment 2 length. */
-        uint32_t dseg_3_address;        /* Data segment 3 address. */
-        uint32_t dseg_3_length;         /* Data segment 3 length. */
-        uint32_t dseg_4_address;        /* Data segment 4 address. */
-        uint32_t dseg_4_length;         /* Data segment 4 length. */
-        uint32_t dseg_5_address;        /* Data segment 5 address. */
-        uint32_t dseg_5_length;         /* Data segment 5 length. */
-        uint32_t dseg_6_address;        /* Data segment 6 address. */
-        uint32_t dseg_6_length;         /* Data segment 6 length. */
+        __le32 reserved;                /* Reserved */
+        __le32 dseg_0_address;          /* Data segment 0 address. */
+        __le32 dseg_0_length;           /* Data segment 0 length. */
+        __le32 dseg_1_address;          /* Data segment 1 address. */
+        __le32 dseg_1_length;           /* Data segment 1 length. */
+        __le32 dseg_2_address;          /* Data segment 2 address. */
+        __le32 dseg_2_length;           /* Data segment 2 length. */
+        __le32 dseg_3_address;          /* Data segment 3 address. */
+        __le32 dseg_3_length;           /* Data segment 3 length. */
+        __le32 dseg_4_address;          /* Data segment 4 address. */
+        __le32 dseg_4_length;           /* Data segment 4 length. */
+        __le32 dseg_5_address;          /* Data segment 5 address. */
+        __le32 dseg_5_length;           /* Data segment 5 length. */
+        __le32 dseg_6_address;          /* Data segment 6 address. */
+        __le32 dseg_6_length;           /* Data segment 6 length. */
 };
 
 /*
@@ -586,22 +574,22 @@ struct response {
 #define RF_FULL         BIT_1   /* Full */
 #define RF_BAD_HEADER   BIT_2   /* Bad header. */
 #define RF_BAD_PAYLOAD  BIT_3   /* Bad payload. */
-        uint32_t handle;        /* System handle. */
-        uint16_t scsi_status;   /* SCSI status. */
-        uint16_t comp_status;   /* Completion status. */
-        uint16_t state_flags;   /* State flags. */
-#define SF_TRANSFER_CMPL BIT_14 /* Transfer Complete. */
-#define SF_GOT_SENSE    BIT_13  /* Got Sense */
-#define SF_GOT_STATUS    BIT_12 /* Got Status */
-#define SF_TRANSFERRED_DATA BIT_11      /* Transferred data */
-#define SF_SENT_CDB   BIT_10    /* Send CDB */
-#define SF_GOT_TARGET  BIT_9    /*  */
-#define SF_GOT_BUS     BIT_8    /*  */
-        uint16_t status_flags;  /* Status flags. */
-        uint16_t time;          /* Time. */
-        uint16_t req_sense_length;      /* Request sense data length. */
-        uint32_t residual_length;       /* Residual transfer length. */
-        uint16_t reserved[4];
+        __le32 handle;          /* System handle. */
+        __le16 scsi_status;     /* SCSI status. */
+        __le16 comp_status;     /* Completion status. */
+        __le16 state_flags;     /* State flags. */
+#define SF_TRANSFER_CMPL        BIT_14  /* Transfer Complete. */
+#define SF_GOT_SENSE            BIT_13  /* Got Sense */
+#define SF_GOT_STATUS           BIT_12  /* Got Status */
+#define SF_TRANSFERRED_DATA     BIT_11  /* Transferred data */
+#define SF_SENT_CDB             BIT_10  /* Send CDB */
+#define SF_GOT_TARGET           BIT_9   /*  */
+#define SF_GOT_BUS              BIT_8   /*  */
+        __le16 status_flags;    /* Status flags. */
+        __le16 time;            /* Time. */
+        __le16 req_sense_length;/* Request sense data length. */
+        __le32 residual_length; /* Residual transfer length. */
+        __le16 reserved[4];
         uint8_t req_sense_data[32];     /* Request sense data. */
 };
 
@@ -614,7 +602,7 @@ struct mrk_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t sys_define;     /* System defined. */
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved;
+        __le32 reserved;
         uint8_t lun;            /* SCSI LUN */
         uint8_t target;         /* SCSI ID */
         uint8_t modifier;       /* Modifier (7-0). */
@@ -638,11 +626,11 @@ struct ecmd_entry {
         uint32_t handle;        /* System handle. */
         uint8_t lun;            /* SCSI LUN */
         uint8_t target;         /* SCSI ID */
-        uint16_t cdb_len;       /* SCSI command length. */
-        uint16_t control_flags; /* Control flags. */
-        uint16_t reserved;
-        uint16_t timeout;       /* Command timeout. */
-        uint16_t dseg_count;    /* Data segment count. */
+        __le16 cdb_len;         /* SCSI command length. */
+        __le16 control_flags;   /* Control flags. */
+        __le16 reserved;
+        __le16 timeout;         /* Command timeout. */
+        __le16 dseg_count;      /* Data segment count. */
         uint8_t scsi_cdb[88];   /* SCSI command words. */
 };
 
@@ -655,20 +643,20 @@ typedef struct {
         uint8_t entry_count;    /* Entry count. */
         uint8_t sys_define;     /* System defined. */
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t handle;        /* System handle. */
+        __le32 handle;  /* System handle. */
         uint8_t lun;            /* SCSI LUN */
         uint8_t target;         /* SCSI ID */
-        uint16_t cdb_len;       /* SCSI command length. */
-        uint16_t control_flags; /* Control flags. */
-        uint16_t reserved;
-        uint16_t timeout;       /* Command timeout. */
-        uint16_t dseg_count;    /* Data segment count. */
+        __le16 cdb_len; /* SCSI command length. */
+        __le16 control_flags;   /* Control flags. */
+        __le16 reserved;
+        __le16 timeout; /* Command timeout. */
+        __le16 dseg_count;      /* Data segment count. */
         uint8_t scsi_cdb[MAX_CMDSZ];    /* SCSI command words. */
-        uint32_t reserved_1[2]; /* unused */
-        uint32_t dseg_0_address[2];     /* Data segment 0 address. */
-        uint32_t dseg_0_length; /* Data segment 0 length. */
-        uint32_t dseg_1_address[2];     /* Data segment 1 address. */
-        uint32_t dseg_1_length; /* Data segment 1 length. */
+        __le32 reserved_1[2];   /* unused */
+        __le32 dseg_0_address[2];       /* Data segment 0 address. */
+        __le32 dseg_0_length;   /* Data segment 0 length. */
+        __le32 dseg_1_address[2];       /* Data segment 1 address. */
+        __le32 dseg_1_length;   /* Data segment 1 length. */
 } cmd_a64_entry_t, request_t;
 
 /*
@@ -680,16 +668,16 @@ struct cont_a64_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t sys_define;     /* System defined. */
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t dseg_0_address[2];     /* Data segment 0 address. */
-        uint32_t dseg_0_length; /* Data segment 0 length. */
-        uint32_t dseg_1_address[2];     /* Data segment 1 address. */
-        uint32_t dseg_1_length; /* Data segment 1 length. */
-        uint32_t dseg_2_address[2];     /* Data segment 2 address. */
-        uint32_t dseg_2_length; /* Data segment 2 length. */
-        uint32_t dseg_3_address[2];     /* Data segment 3 address. */
-        uint32_t dseg_3_length; /* Data segment 3 length. */
-        uint32_t dseg_4_address[2];     /* Data segment 4 address. */
-        uint32_t dseg_4_length; /* Data segment 4 length. */
+        __le32 dseg_0_address[2];       /* Data segment 0 address. */
+        __le32 dseg_0_length;           /* Data segment 0 length. */
+        __le32 dseg_1_address[2];       /* Data segment 1 address. */
+        __le32 dseg_1_length;           /* Data segment 1 length. */
+        __le32 dseg_2_address[2];       /* Data segment 2 address. */
+        __le32 dseg_2_length;           /* Data segment 2 length. */
+        __le32 dseg_3_address[2];       /* Data segment 3 address. */
+        __le32 dseg_3_length;           /* Data segment 3 length. */
+        __le32 dseg_4_address[2];       /* Data segment 4 address. */
+        __le32 dseg_4_length;           /* Data segment 4 length. */
 };
 
 /*
@@ -701,10 +689,10 @@ struct elun_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status not used. */
-        uint32_t reserved_2;
-        uint16_t lun;           /* Bit 15 is bus number. */
-        uint16_t reserved_4;
-        uint32_t option_flags;
+        __le32 reserved_2;
+        __le16 lun;             /* Bit 15 is bus number. */
+        __le16 reserved_4;
+        __le32 option_flags;
         uint8_t status;
         uint8_t reserved_5;
         uint8_t command_count;  /* Number of ATIOs allocated. */
@@ -714,8 +702,8 @@ struct elun_entry {
         /* commands (2-26). */
         uint8_t group_7_length; /* SCSI CDB length for group 7 */
         /* commands (2-26). */
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t reserved_6[20];
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 reserved_6[20];
 };
 
 /*
@@ -729,20 +717,20 @@ struct modify_lun_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;            /* SCSI LUN */
         uint8_t reserved_3;
         uint8_t operators;
         uint8_t reserved_4;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t reserved_5;
         uint8_t command_count;  /* Number of ATIOs allocated. */
         uint8_t immed_notify_count;     /* Number of Immediate Notify */
         /* entries allocated. */
-        uint16_t reserved_6;
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t reserved_7[20];
+        __le16 reserved_6;
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 reserved_7[20];
 };
 
 /*
@@ -754,20 +742,20 @@ struct notify_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t reserved_4;
         uint8_t tag_value;      /* Received queue tag message value */
         uint8_t tag_type;       /* Received queue tag message type */
         /* entries allocated. */
-        uint16_t seq_id;
+        __le16 seq_id;
         uint8_t scsi_msg[8];    /* SCSI message not handled by ISP */
-        uint16_t reserved_5[8];
+        __le16 reserved_5[8];
         uint8_t sense_data[18];
 };
 
@@ -780,16 +768,16 @@ struct nack_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t event;
-        uint16_t seq_id;
-        uint16_t reserved_4[22];
+        __le16 seq_id;
+        __le16 reserved_4[22];
 };
 
 /*
@@ -801,12 +789,12 @@ struct atio_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;
         uint8_t initiator_id;
         uint8_t cdb_len;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t scsi_status;
         uint8_t tag_value;      /* Received queue tag message value */
@@ -824,28 +812,28 @@ struct ctio_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;            /* SCSI LUN */
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t scsi_status;
         uint8_t tag_value;      /* Received queue tag message value */
         uint8_t tag_type;       /* Received queue tag message type */
-        uint32_t transfer_length;
-        uint32_t residual;
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t dseg_count;    /* Data segment count. */
-        uint32_t dseg_0_address;        /* Data segment 0 address. */
-        uint32_t dseg_0_length; /* Data segment 0 length. */
-        uint32_t dseg_1_address;        /* Data segment 1 address. */
-        uint32_t dseg_1_length; /* Data segment 1 length. */
-        uint32_t dseg_2_address;        /* Data segment 2 address. */
-        uint32_t dseg_2_length; /* Data segment 2 length. */
-        uint32_t dseg_3_address;        /* Data segment 3 address. */
-        uint32_t dseg_3_length; /* Data segment 3 length. */
+        __le32 transfer_length;
+        __le32 residual;
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 dseg_count;      /* Data segment count. */
+        __le32 dseg_0_address;  /* Data segment 0 address. */
+        __le32 dseg_0_length;   /* Data segment 0 length. */
+        __le32 dseg_1_address;  /* Data segment 1 address. */
+        __le32 dseg_1_length;   /* Data segment 1 length. */
+        __le32 dseg_2_address;  /* Data segment 2 address. */
+        __le32 dseg_2_length;   /* Data segment 2 length. */
+        __le32 dseg_3_address;  /* Data segment 3 address. */
+        __le32 dseg_3_length;   /* Data segment 3 length. */
 };
 
 /*
@@ -857,24 +845,24 @@ struct ctio_ret_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;            /* SCSI LUN */
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t scsi_status;
         uint8_t tag_value;      /* Received queue tag message value */
         uint8_t tag_type;       /* Received queue tag message type */
-        uint32_t transfer_length;
-        uint32_t residual;
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t dseg_count;    /* Data segment count. */
-        uint32_t dseg_0_address;        /* Data segment 0 address. */
-        uint32_t dseg_0_length; /* Data segment 0 length. */
-        uint32_t dseg_1_address;        /* Data segment 1 address. */
-        uint16_t dseg_1_length; /* Data segment 1 length. */
+        __le32 transfer_length;
+        __le32 residual;
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 dseg_count;      /* Data segment count. */
+        __le32 dseg_0_address;  /* Data segment 0 address. */
+        __le32 dseg_0_length;   /* Data segment 0 length. */
+        __le32 dseg_1_address;  /* Data segment 1 address. */
+        __le16 dseg_1_length;   /* Data segment 1 length. */
         uint8_t sense_data[18];
 };
 
@@ -887,25 +875,25 @@ struct ctio_a64_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;            /* SCSI LUN */
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t scsi_status;
         uint8_t tag_value;      /* Received queue tag message value */
         uint8_t tag_type;       /* Received queue tag message type */
-        uint32_t transfer_length;
-        uint32_t residual;
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t dseg_count;    /* Data segment count. */
-        uint32_t reserved_4[2];
-        uint32_t dseg_0_address[2];     /* Data segment 0 address. */
-        uint32_t dseg_0_length; /* Data segment 0 length. */
-        uint32_t dseg_1_address[2];     /* Data segment 1 address. */
-        uint32_t dseg_1_length; /* Data segment 1 length. */
+        __le32 transfer_length;
+        __le32 residual;
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 dseg_count;      /* Data segment count. */
+        __le32 reserved_4[2];
+        __le32 dseg_0_address[2];/* Data segment 0 address. */
+        __le32 dseg_0_length;   /* Data segment 0 length. */
+        __le32 dseg_1_address[2];/* Data segment 1 address. */
+        __le32 dseg_1_length;   /* Data segment 1 length. */
 };
 
 /*
@@ -917,21 +905,21 @@ struct ctio_a64_ret_entry {
         uint8_t entry_count;    /* Entry count. */
         uint8_t reserved_1;
         uint8_t entry_status;   /* Entry Status. */
-        uint32_t reserved_2;
+        __le32 reserved_2;
         uint8_t lun;            /* SCSI LUN */
         uint8_t initiator_id;
         uint8_t reserved_3;
         uint8_t target_id;
-        uint32_t option_flags;
+        __le32 option_flags;
         uint8_t status;
         uint8_t scsi_status;
         uint8_t tag_value;      /* Received queue tag message value */
         uint8_t tag_type;       /* Received queue tag message type */
-        uint32_t transfer_length;
-        uint32_t residual;
-        uint16_t timeout;       /* 0 = 30 seconds, 0xFFFF = disable */
-        uint16_t dseg_count;    /* Data segment count. */
-        uint16_t reserved_4[7];
+        __le32 transfer_length;
+        __le32 residual;
+        __le16 timeout;         /* 0 = 30 seconds, 0xFFFF = disable */
+        __le16 dseg_count;      /* Data segment count. */
+        __le16 reserved_4[7];
         uint8_t sense_data[18];
 };
 
@@ -979,14 +967,6 @@ struct ctio_a64_ret_entry {
 #define CS_RETRY            0x82        /* Driver defined */
 
 /*
- * ISP status entry - SCSI status byte bit definitions.
- */
-#define SS_CHECK_CONDITION  BIT_1
-#define SS_CONDITION_MET    BIT_2
-#define SS_BUSY_CONDITION   BIT_3
-#define SS_RESERVE_CONFLICT (BIT_4 | BIT_3)
-
-/*
  * ISP target entries - Option flags bit definitions.
  */
 #define OF_ENABLE_TAG       BIT_1       /* Tagged queue action enable */
@@ -1082,10 +1062,6 @@ struct scsi_qla_host {
                 uint32_t reset_active:1;                /* 3 */
                 uint32_t abort_isp_active:1;            /* 4 */
                 uint32_t disable_risc_code_load:1;      /* 5 */
-                uint32_t enable_64bit_addressing:1;     /* 6 */
-                uint32_t in_reset:1;                    /* 7 */
-                uint32_t ints_enabled:1;
-                uint32_t ignore_nvram:1;
 #ifdef __ia64__
                 uint32_t use_pci_vchannel:1;
 #endif
diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c
index 659a5d63467d..fe0fce71adc7 100644
--- a/drivers/scsi/qla2xxx/qla_attr.c
+++ b/drivers/scsi/qla2xxx/qla_attr.c
@@ -211,6 +211,138 @@ qla2x00_free_sysfs_attr(scsi_qla_host_t *ha)
         sysfs_remove_bin_file(&host->shost_gendev.kobj, &sysfs_nvram_attr);
 }
 
+/* Scsi_Host attributes. */
+
+static ssize_t
+qla2x00_drvr_version_show(struct class_device *cdev, char *buf)
+{
+        return snprintf(buf, PAGE_SIZE, "%s\n", qla2x00_version_str);
+}
+
+static ssize_t
+qla2x00_fw_version_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        char fw_str[30];
+
+        return snprintf(buf, PAGE_SIZE, "%s\n",
+            ha->isp_ops.fw_version_str(ha, fw_str));
+}
+
+static ssize_t
+qla2x00_serial_num_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        uint32_t sn;
+
+        sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
+        return snprintf(buf, PAGE_SIZE, "%c%05d\n", 'A' + sn / 100000,
+            sn % 100000);
+}
+
+static ssize_t
+qla2x00_isp_name_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        return snprintf(buf, PAGE_SIZE, "%s\n", ha->brd_info->isp_name);
+}
+
+static ssize_t
+qla2x00_isp_id_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        return snprintf(buf, PAGE_SIZE, "%04x %04x %04x %04x\n",
+            ha->product_id[0], ha->product_id[1], ha->product_id[2],
+            ha->product_id[3]);
+}
+
+static ssize_t
+qla2x00_model_name_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        return snprintf(buf, PAGE_SIZE, "%s\n", ha->model_number);
+}
+
+static ssize_t
+qla2x00_model_desc_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        return snprintf(buf, PAGE_SIZE, "%s\n",
+            ha->model_desc ? ha->model_desc: "");
+}
+
+static ssize_t
+qla2x00_pci_info_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        char pci_info[30];
+
+        return snprintf(buf, PAGE_SIZE, "%s\n",
+            ha->isp_ops.pci_info_str(ha, pci_info));
+}
+
+static ssize_t
+qla2x00_state_show(struct class_device *cdev, char *buf)
+{
+        scsi_qla_host_t *ha = to_qla_host(class_to_shost(cdev));
+        int len = 0;
+
+        if (atomic_read(&ha->loop_state) == LOOP_DOWN ||
+            atomic_read(&ha->loop_state) == LOOP_DEAD)
+                len = snprintf(buf, PAGE_SIZE, "Link Down\n");
+        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))
+                len = snprintf(buf, PAGE_SIZE, "Unknown Link State\n");
+        else {
+                len = snprintf(buf, PAGE_SIZE, "Link Up - ");
+
+                switch (ha->current_topology) {
+                case ISP_CFG_NL:
+                        len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
+                        break;
+                case ISP_CFG_FL:
+                        len += snprintf(buf + len, PAGE_SIZE-len, "FL_Port\n");
+                        break;
+                case ISP_CFG_N:
+                        len += snprintf(buf + len, PAGE_SIZE-len,
+                            "N_Port to N_Port\n");
+                        break;
+                case ISP_CFG_F:
+                        len += snprintf(buf + len, PAGE_SIZE-len, "F_Port\n");
+                        break;
+                default:
+                        len += snprintf(buf + len, PAGE_SIZE-len, "Loop\n");
+                        break;
+                }
+        }
+        return len;
+}
+
+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);
+static CLASS_DEVICE_ATTR(serial_num, S_IRUGO, qla2x00_serial_num_show, NULL);
+static CLASS_DEVICE_ATTR(isp_name, S_IRUGO, qla2x00_isp_name_show, NULL);
+static CLASS_DEVICE_ATTR(isp_id, S_IRUGO, qla2x00_isp_id_show, NULL);
+static CLASS_DEVICE_ATTR(model_name, S_IRUGO, qla2x00_model_name_show, NULL);
+static CLASS_DEVICE_ATTR(model_desc, S_IRUGO, qla2x00_model_desc_show, NULL);
+static CLASS_DEVICE_ATTR(pci_info, S_IRUGO, qla2x00_pci_info_show, NULL);
+static CLASS_DEVICE_ATTR(state, S_IRUGO, qla2x00_state_show, NULL);
+
+struct class_device_attribute *qla2x00_host_attrs[] = {
+        &class_device_attr_driver_version,
+        &class_device_attr_fw_version,
+        &class_device_attr_serial_num,
+        &class_device_attr_isp_name,
+        &class_device_attr_isp_id,
+        &class_device_attr_model_name,
+        &class_device_attr_model_desc,
+        &class_device_attr_pci_info,
+        &class_device_attr_state,
+        NULL,
+};
+
 /* Host attributes. */
 
 static void
@@ -304,10 +436,13 @@ struct fc_function_template qla2xxx_transport_functions = {
 
         .show_host_node_name = 1,
         .show_host_port_name = 1,
+        .show_host_supported_classes = 1,
+
         .get_host_port_id = qla2x00_get_host_port_id,
         .show_host_port_id = 1,
 
         .dd_fcrport_size = sizeof(struct fc_port *),
+        .show_rport_supported_classes = 1,
 
         .get_starget_node_name = qla2x00_get_starget_node_name,
         .show_starget_node_name = 1,
@@ -329,4 +464,5 @@ qla2x00_init_host_attr(scsi_qla_host_t *ha)
             be64_to_cpu(*(uint64_t *)ha->init_cb->node_name);
         fc_host_port_name(ha->host) =
             be64_to_cpu(*(uint64_t *)ha->init_cb->port_name);
+        fc_host_supported_classes(ha->host) = FC_COS_CLASS3;
 }
diff --git a/drivers/scsi/qla2xxx/qla_dbg.h b/drivers/scsi/qla2xxx/qla_dbg.h
index b8d90e97e017..9684e7a91fa9 100644
--- a/drivers/scsi/qla2xxx/qla_dbg.h
+++ b/drivers/scsi/qla2xxx/qla_dbg.h
@@ -81,6 +81,7 @@
 #define DEBUG2_3_11(x)  do {x;} while (0);
 #define DEBUG2_9_10(x)    do {x;} while (0);
 #define DEBUG2_11(x)    do {x;} while (0);
+#define DEBUG2_13(x)    do {x;} while (0);
 #else
 #define DEBUG2(x)       do {} while (0);
 #endif
@@ -169,8 +170,14 @@
 
 #if defined(QL_DEBUG_LEVEL_13)
 #define DEBUG13(x)      do {x;} while (0)
+#if !defined(DEBUG2_13)
+#define DEBUG2_13(x)    do {x;} while(0)
+#endif
 #else
 #define DEBUG13(x)      do {} while (0)
+#if !defined(QL_DEBUG_LEVEL_2)
+#define DEBUG2_13(x)    do {} while(0)
+#endif
 #endif
 
 #if defined(QL_DEBUG_LEVEL_14)
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 1c6d366f4fad..b455c31405e4 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -214,6 +214,7 @@
  * valid range of an N-PORT id is 0 through 0x7ef.
  */
 #define NPH_LAST_HANDLE         0x7ef
+#define NPH_MGMT_SERVER         0x7fa           /*  FFFFFA */
 #define NPH_SNS                 0x7fc           /*  FFFFFC */
 #define NPH_FABRIC_CONTROLLER   0x7fd           /*  FFFFFD */
 #define NPH_F_PORT              0x7fe           /*  FFFFFE */
@@ -630,6 +631,7 @@ typedef struct {
 #define MBC_WRITE_RAM_WORD_EXTENDED     0xd     /* Write RAM word extended */
 #define MBC_READ_RAM_EXTENDED           0xf     /* Read RAM extended. */
 #define MBC_IOCB_COMMAND                0x12    /* Execute IOCB command. */
+#define MBC_STOP_FIRMWARE               0x14    /* Stop firmware. */
 #define MBC_ABORT_COMMAND               0x15    /* Abort IOCB command. */
 #define MBC_ABORT_DEVICE                0x16    /* Abort device (ID/LUN). */
 #define MBC_ABORT_TARGET                0x17    /* Abort target (ID). */
@@ -913,7 +915,7 @@ typedef struct {
          * MSB BIT 1 =
          * MSB BIT 2 =
          * MSB BIT 3 =
-         * MSB BIT 4 =
+         * MSB BIT 4 = LED mode
          * MSB BIT 5 = enable 50 ohm termination
          * MSB BIT 6 = Data Rate (2300 only)
          * MSB BIT 7 = Data Rate (2300 only)
@@ -1035,7 +1037,7 @@ typedef struct {
          * MSB BIT 1 =
          * MSB BIT 2 =
          * MSB BIT 3 =
-         * MSB BIT 4 =
+         * MSB BIT 4 = LED mode
          * MSB BIT 5 = enable 50 ohm termination
          * MSB BIT 6 = Data Rate (2300 only)
          * MSB BIT 7 = Data Rate (2300 only)
@@ -1131,10 +1133,7 @@ typedef struct {
 
         uint8_t link_down_timeout;
 
-        uint8_t adapter_id_0[4];
-        uint8_t adapter_id_1[4];
-        uint8_t adapter_id_2[4];
-        uint8_t adapter_id_3[4];
+        uint8_t adapter_id[16];
 
         uint8_t alt1_boot_node_name[WWN_SIZE];
         uint16_t alt1_boot_lun_number;
@@ -1673,6 +1672,7 @@ typedef struct fc_port {
         uint8_t cur_path;               /* current path id */
 
         struct fc_rport *rport;
+        u32 supported_classes;
 } fc_port_t;
 
 /*
@@ -1727,6 +1727,8 @@ typedef struct fc_port {
 
 #define CT_REJECT_RESPONSE      0x8001
 #define CT_ACCEPT_RESPONSE      0x8002
+#define CT_REASON_CANNOT_PERFORM        0x09
+#define CT_EXPL_ALREADY_REGISTERED      0x10
 
 #define NS_N_PORT_TYPE  0x01
 #define NS_NL_PORT_TYPE 0x02
@@ -1768,6 +1770,100 @@ typedef struct fc_port {
 #define RSNN_NN_REQ_SIZE (16 + 8 + 1 + 255)
 #define RSNN_NN_RSP_SIZE 16
 
+/*
+ * HBA attribute types.
+ */
+#define FDMI_HBA_ATTR_COUNT                     9
+#define FDMI_HBA_NODE_NAME                      1
+#define FDMI_HBA_MANUFACTURER                   2
+#define FDMI_HBA_SERIAL_NUMBER                  3
+#define FDMI_HBA_MODEL                          4
+#define FDMI_HBA_MODEL_DESCRIPTION              5
+#define FDMI_HBA_HARDWARE_VERSION               6
+#define FDMI_HBA_DRIVER_VERSION                 7
+#define FDMI_HBA_OPTION_ROM_VERSION             8
+#define FDMI_HBA_FIRMWARE_VERSION               9
+#define FDMI_HBA_OS_NAME_AND_VERSION            0xa
+#define FDMI_HBA_MAXIMUM_CT_PAYLOAD_LENGTH      0xb
+
+struct ct_fdmi_hba_attr {
+        uint16_t type;
+        uint16_t len;
+        union {
+                uint8_t node_name[WWN_SIZE];
+                uint8_t manufacturer[32];
+                uint8_t serial_num[8];
+                uint8_t model[16];
+                uint8_t model_desc[80];
+                uint8_t hw_version[16];
+                uint8_t driver_version[32];
+                uint8_t orom_version[16];
+                uint8_t fw_version[16];
+                uint8_t os_version[128];
+                uint8_t max_ct_len[4];
+        } a;
+};
+
+struct ct_fdmi_hba_attributes {
+        uint32_t count;
+        struct ct_fdmi_hba_attr entry[FDMI_HBA_ATTR_COUNT];
+};
+
+/*
+ * Port attribute types.
+ */
+#define FDMI_PORT_ATTR_COUNT            5
+#define FDMI_PORT_FC4_TYPES             1
+#define FDMI_PORT_SUPPORT_SPEED         2
+#define FDMI_PORT_CURRENT_SPEED         3
+#define FDMI_PORT_MAX_FRAME_SIZE        4
+#define FDMI_PORT_OS_DEVICE_NAME        5
+#define FDMI_PORT_HOST_NAME             6
+
+struct ct_fdmi_port_attr {
+        uint16_t type;
+        uint16_t len;
+        union {
+                uint8_t fc4_types[32];
+                uint32_t sup_speed;
+                uint32_t cur_speed;
+                uint32_t max_frame_size;
+                uint8_t os_dev_name[32];
+                uint8_t host_name[32];
+        } a;
+};
+
+/*
+ * Port Attribute Block.
+ */
+struct ct_fdmi_port_attributes {
+        uint32_t count;
+        struct ct_fdmi_port_attr entry[FDMI_PORT_ATTR_COUNT];
+};
+
+/* FDMI definitions. */
+#define GRHL_CMD        0x100
+#define GHAT_CMD        0x101
+#define GRPL_CMD        0x102
+#define GPAT_CMD        0x110
+
+#define RHBA_CMD        0x200
+#define RHBA_RSP_SIZE   16
+
+#define RHAT_CMD        0x201
+#define RPRT_CMD        0x210
+
+#define RPA_CMD         0x211
+#define RPA_RSP_SIZE    16
+
+#define DHBA_CMD        0x300
+#define DHBA_REQ_SIZE   (16 + 8)
+#define DHBA_RSP_SIZE   16
+
+#define DHAT_CMD        0x301
+#define DPRT_CMD        0x310
+#define DPA_CMD         0x311
+
 /* CT command header -- request/response common fields */
 struct ct_cmd_hdr {
         uint8_t revision;
@@ -1825,6 +1921,43 @@ struct ct_sns_req {
                         uint8_t name_len;
                         uint8_t sym_node_name[255];
                 } rsnn_nn;
+
+                struct {
+                        uint8_t hba_indentifier[8];
+                } ghat;
+
+                struct {
+                        uint8_t hba_identifier[8];
+                        uint32_t entry_count;
+                        uint8_t port_name[8];
+                        struct ct_fdmi_hba_attributes attrs;
+                } rhba;
+
+                struct {
+                        uint8_t hba_identifier[8];
+                        struct ct_fdmi_hba_attributes attrs;
+                } rhat;
+
+                struct {
+                        uint8_t port_name[8];
+                        struct ct_fdmi_port_attributes attrs;
+                } rpa;
+
+                struct {
+                        uint8_t port_name[8];
+                } dhba;
+
+                struct {
+                        uint8_t port_name[8];
+                } dhat;
+
+                struct {
+                        uint8_t port_name[8];
+                } dprt;
+
+                struct {
+                        uint8_t port_name[8];
+                } dpa;
         } req;
 };
 
@@ -1882,6 +2015,12 @@ struct ct_sns_rsp {
                 struct {
                         uint8_t fc4_types[32];
                 } gft_id;
+
+                struct {
+                        uint32_t entry_count;
+                        uint8_t port_name[8];
+                        struct ct_fdmi_hba_attributes attrs;
+                } ghat;
         } rsp;
 };
 
@@ -2032,6 +2171,8 @@ struct isp_operations {
         uint16_t (*calc_req_entries) (uint16_t);
         void (*build_iocbs) (srb_t *, cmd_entry_t *, uint16_t);
         void * (*prep_ms_iocb) (struct scsi_qla_host *, uint32_t, uint32_t);
+        void * (*prep_ms_fdmi_iocb) (struct scsi_qla_host *, uint32_t,
+            uint32_t);
 
         uint8_t * (*read_nvram) (struct scsi_qla_host *, uint8_t *,
                 uint32_t, uint32_t);
@@ -2111,6 +2252,7 @@ typedef struct scsi_qla_host {
 #define IOCTL_ERROR_RECOVERY    23
 #define LOOP_RESET_NEEDED       24
 #define BEACON_BLINK_NEEDED     25
+#define REGISTER_FDMI_NEEDED    26
 
         uint32_t        device_flags;
 #define DFLG_LOCAL_DEVICES              BIT_0
@@ -2204,6 +2346,7 @@ typedef struct scsi_qla_host {
         int             port_down_retry_count;
         uint8_t         mbx_count;
         uint16_t        last_loop_id;
+        uint16_t        mgmt_svr_loop_id;
 
         uint32_t        login_retry_count;
 
@@ -2318,6 +2461,7 @@ typedef struct scsi_qla_host {
         uint8_t         model_number[16+1];
 #define BINZERO         "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
         char            *model_desc;
+        uint8_t         adapter_id[16+1];
 
         uint8_t         *node_name;
         uint8_t         *port_name;
@@ -2377,6 +2521,7 @@ typedef struct scsi_qla_host {
 #define QLA_SUSPENDED                   0x106
 #define QLA_BUSY                        0x107
 #define QLA_RSCNS_HANDLED               0x108
+#define QLA_ALREADY_REGISTERED          0x109
 
 /*
 * Stat info for all adpaters
diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h
index 665c203e0675..1ed32e7b5472 100644
--- a/drivers/scsi/qla2xxx/qla_gbl.h
+++ b/drivers/scsi/qla2xxx/qla_gbl.h
@@ -79,6 +79,7 @@ extern int ql2xplogiabsentdevice;
 extern int ql2xenablezio;
 extern int ql2xintrdelaytimer;
 extern int ql2xloginretrycount;
+extern int ql2xfdmienable;
 
 extern void qla2x00_sp_compl(scsi_qla_host_t *, srb_t *);
 
@@ -147,9 +148,6 @@ qla2x00_abort_target(fc_port_t *);
 #endif
 
 extern int
-qla2x00_target_reset(scsi_qla_host_t *, struct fc_port *);
-
-extern int
 qla2x00_get_adapter_id(scsi_qla_host_t *, uint16_t *, uint8_t *, uint8_t *,
     uint8_t *, uint16_t *);
 
@@ -215,6 +213,9 @@ qla2x00_get_serdes_params(scsi_qla_host_t *, uint16_t *, uint16_t *,
 extern int
 qla2x00_set_serdes_params(scsi_qla_host_t *, uint16_t, uint16_t, uint16_t);
 
+extern int
+qla2x00_stop_firmware(scsi_qla_host_t *);
+
 /*
  * Global Function Prototypes in qla_isr.c source file.
  */
@@ -269,6 +270,9 @@ extern int qla2x00_rft_id(scsi_qla_host_t *);
 extern int qla2x00_rff_id(scsi_qla_host_t *);
 extern int qla2x00_rnn_id(scsi_qla_host_t *);
 extern int qla2x00_rsnn_nn(scsi_qla_host_t *);
+extern void *qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
+extern void *qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *, uint32_t, uint32_t);
+extern int qla2x00_fdmi_register(scsi_qla_host_t *);
 
 /*
  * Global Function Prototypes in qla_rscn.c source file.
@@ -289,6 +293,8 @@ extern void qla2x00_cancel_io_descriptors(scsi_qla_host_t *);
 /*
  * Global Function Prototypes in qla_attr.c source file.
  */
+struct class_device_attribute;
+extern struct class_device_attribute *qla2x00_host_attrs[];
 struct fc_function_template;
 extern struct fc_function_template qla2xxx_transport_functions;
 extern void qla2x00_alloc_sysfs_attr(scsi_qla_host_t *);
diff --git a/drivers/scsi/qla2xxx/qla_gs.c b/drivers/scsi/qla2xxx/qla_gs.c
index 31ce4f62da13..e7b138c2e339 100644
--- a/drivers/scsi/qla2xxx/qla_gs.c
+++ b/drivers/scsi/qla2xxx/qla_gs.c
@@ -1099,3 +1099,567 @@ qla2x00_sns_rnn_id(scsi_qla_host_t *ha)
 
         return (rval);
 }
+
+/**
+ * qla2x00_mgmt_svr_login() - Login to fabric Managment Service.
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_mgmt_svr_login(scsi_qla_host_t *ha)
+{
+        int ret;
+        uint16_t mb[MAILBOX_REGISTER_COUNT];
+
+        ret = QLA_SUCCESS;
+        if (ha->flags.management_server_logged_in)
+                return ret;
+
+        ha->isp_ops.fabric_login(ha, ha->mgmt_svr_loop_id, 0xff, 0xff, 0xfa,
+            mb, BIT_1);
+        if (mb[0] != MBS_COMMAND_COMPLETE) {
+                DEBUG2_13(printk("%s(%ld): Failed MANAGEMENT_SERVER login: "
+                    "loop_id=%x mb[0]=%x mb[1]=%x mb[2]=%x mb[6]=%x mb[7]=%x\n",
+                    __func__, ha->host_no, ha->mgmt_svr_loop_id, mb[0], mb[1],
+                    mb[2], mb[6], mb[7]));
+                ret = QLA_FUNCTION_FAILED;
+        } else
+                ha->flags.management_server_logged_in = 1;
+
+        return ret;
+}
+
+/**
+ * qla2x00_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
+ * @ha: HA context
+ * @req_size: request size in bytes
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+void *
+qla2x00_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
+    uint32_t rsp_size)
+{
+        ms_iocb_entry_t *ms_pkt;
+
+        ms_pkt = ha->ms_iocb;
+        memset(ms_pkt, 0, sizeof(ms_iocb_entry_t));
+
+        ms_pkt->entry_type = MS_IOCB_TYPE;
+        ms_pkt->entry_count = 1;
+        SET_TARGET_ID(ha, ms_pkt->loop_id, ha->mgmt_svr_loop_id);
+        ms_pkt->control_flags = __constant_cpu_to_le16(CF_READ | CF_HEAD_TAG);
+        ms_pkt->timeout = __constant_cpu_to_le16(59);
+        ms_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
+        ms_pkt->total_dsd_count = __constant_cpu_to_le16(2);
+        ms_pkt->rsp_bytecount = cpu_to_le32(rsp_size);
+        ms_pkt->req_bytecount = cpu_to_le32(req_size);
+
+        ms_pkt->dseg_req_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+        ms_pkt->dseg_req_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+        ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+
+        ms_pkt->dseg_rsp_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+        ms_pkt->dseg_rsp_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+        ms_pkt->dseg_rsp_length = ms_pkt->rsp_bytecount;
+
+        return ms_pkt;
+}
+
+/**
+ * qla24xx_prep_ms_fdmi_iocb() - Prepare common MS IOCB fields for FDMI query.
+ * @ha: HA context
+ * @req_size: request size in bytes
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the @ha's ms_iocb.
+ */
+void *
+qla24xx_prep_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size,
+    uint32_t rsp_size)
+{
+        struct ct_entry_24xx *ct_pkt;
+
+        ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
+        memset(ct_pkt, 0, sizeof(struct ct_entry_24xx));
+
+        ct_pkt->entry_type = CT_IOCB_TYPE;
+        ct_pkt->entry_count = 1;
+        ct_pkt->nport_handle = cpu_to_le16(ha->mgmt_svr_loop_id);
+        ct_pkt->timeout = __constant_cpu_to_le16(59);
+        ct_pkt->cmd_dsd_count = __constant_cpu_to_le16(1);
+        ct_pkt->rsp_dsd_count = __constant_cpu_to_le16(1);
+        ct_pkt->rsp_byte_count = cpu_to_le32(rsp_size);
+        ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
+
+        ct_pkt->dseg_0_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+        ct_pkt->dseg_0_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+        ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
+
+        ct_pkt->dseg_1_address[0] = cpu_to_le32(LSD(ha->ct_sns_dma));
+        ct_pkt->dseg_1_address[1] = cpu_to_le32(MSD(ha->ct_sns_dma));
+        ct_pkt->dseg_1_len = ct_pkt->rsp_byte_count;
+
+        return ct_pkt;
+}
+
+static inline ms_iocb_entry_t *
+qla2x00_update_ms_fdmi_iocb(scsi_qla_host_t *ha, uint32_t req_size)
+{
+        ms_iocb_entry_t *ms_pkt = ha->ms_iocb;
+        struct ct_entry_24xx *ct_pkt = (struct ct_entry_24xx *)ha->ms_iocb;
+
+        if (IS_QLA24XX(ha) || IS_QLA25XX(ha)) {
+                ct_pkt->cmd_byte_count = cpu_to_le32(req_size);
+                ct_pkt->dseg_0_len = ct_pkt->cmd_byte_count;
+        } else {
+                ms_pkt->req_bytecount = cpu_to_le32(req_size);
+                ms_pkt->dseg_req_length = ms_pkt->req_bytecount;
+        }
+
+        return ms_pkt;
+}
+
+/**
+ * qla2x00_prep_ct_req() - Prepare common CT request fields for SNS query.
+ * @ct_req: CT request buffer
+ * @cmd: GS command
+ * @rsp_size: response size in bytes
+ *
+ * Returns a pointer to the intitialized @ct_req.
+ */
+static inline struct ct_sns_req *
+qla2x00_prep_ct_fdmi_req(struct ct_sns_req *ct_req, uint16_t cmd,
+    uint16_t rsp_size)
+{
+        memset(ct_req, 0, sizeof(struct ct_sns_pkt));
+
+        ct_req->header.revision = 0x01;
+        ct_req->header.gs_type = 0xFA;
+        ct_req->header.gs_subtype = 0x10;
+        ct_req->command = cpu_to_be16(cmd);
+        ct_req->max_rsp_size = cpu_to_be16((rsp_size - 16) / 4);
+
+        return ct_req;
+}
+
+/**
+ * qla2x00_fdmi_rhba() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_rhba(scsi_qla_host_t *ha)
+{
+        int rval, alen;
+        uint32_t size, sn;
+
+        ms_iocb_entry_t *ms_pkt;
+        struct ct_sns_req *ct_req;
+        struct ct_sns_rsp *ct_rsp;
+        uint8_t *entries;
+        struct ct_fdmi_hba_attr *eiter;
+
+        /* Issue RHBA */
+        /* Prepare common MS IOCB */
+        /*   Request size adjusted after CT preparation */
+        ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RHBA_RSP_SIZE);
+
+        /* Prepare CT request */
+        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RHBA_CMD,
+            RHBA_RSP_SIZE);
+        ct_rsp = &ha->ct_sns->p.rsp;
+
+        /* Prepare FDMI command arguments -- attribute block, attributes. */
+        memcpy(ct_req->req.rhba.hba_identifier, ha->port_name, WWN_SIZE);
+        ct_req->req.rhba.entry_count = __constant_cpu_to_be32(1);
+        memcpy(ct_req->req.rhba.port_name, ha->port_name, WWN_SIZE);
+        size = 2 * WWN_SIZE + 4 + 4;
+
+        /* Attributes */
+        ct_req->req.rhba.attrs.count =
+            __constant_cpu_to_be32(FDMI_HBA_ATTR_COUNT);
+        entries = ct_req->req.rhba.hba_identifier;
+
+        /* Nodename. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_NODE_NAME);
+        eiter->len = __constant_cpu_to_be16(4 + WWN_SIZE);
+        memcpy(eiter->a.node_name, ha->node_name, WWN_SIZE);
+        size += 4 + WWN_SIZE;
+
+        DEBUG13(printk("%s(%ld): NODENAME=%02x%02x%02x%02x%02x%02x%02x%02x.\n",
+            __func__, ha->host_no,
+            eiter->a.node_name[0], eiter->a.node_name[1], eiter->a.node_name[2],
+            eiter->a.node_name[3], eiter->a.node_name[4], eiter->a.node_name[5],
+            eiter->a.node_name[6], eiter->a.node_name[7]));
+
+        /* Manufacturer. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MANUFACTURER);
+        strcpy(eiter->a.manufacturer, "QLogic Corporation");
+        alen = strlen(eiter->a.manufacturer);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): MANUFACTURER=%s.\n", __func__, ha->host_no,
+            eiter->a.manufacturer));
+
+        /* Serial number. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_SERIAL_NUMBER);
+        sn = ((ha->serial0 & 0x1f) << 16) | (ha->serial2 << 8) | ha->serial1;
+        sprintf(eiter->a.serial_num, "%c%05d", 'A' + sn / 100000, sn % 100000);
+        alen = strlen(eiter->a.serial_num);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): SERIALNO=%s.\n", __func__, ha->host_no,
+            eiter->a.serial_num));
+
+        /* Model name. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL);
+        strcpy(eiter->a.model, ha->model_number);
+        alen = strlen(eiter->a.model);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): MODEL_NAME=%s.\n", __func__, ha->host_no,
+            eiter->a.model));
+
+        /* Model description. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_MODEL_DESCRIPTION);
+        if (ha->model_desc)
+                strncpy(eiter->a.model_desc, ha->model_desc, 80);
+        alen = strlen(eiter->a.model_desc);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): MODEL_DESC=%s.\n", __func__, ha->host_no,
+            eiter->a.model_desc));
+
+        /* Hardware version. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_HARDWARE_VERSION);
+        strcpy(eiter->a.hw_version, ha->adapter_id);
+        alen = strlen(eiter->a.hw_version);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): HARDWAREVER=%s.\n", __func__, ha->host_no,
+            eiter->a.hw_version));
+
+        /* Driver version. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_DRIVER_VERSION);
+        strcpy(eiter->a.driver_version, qla2x00_version_str);
+        alen = strlen(eiter->a.driver_version);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): DRIVERVER=%s.\n", __func__, ha->host_no,
+            eiter->a.driver_version));
+
+        /* Option ROM version. */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_OPTION_ROM_VERSION);
+        strcpy(eiter->a.orom_version, "0.00");
+        alen = strlen(eiter->a.orom_version);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): OPTROMVER=%s.\n", __func__, ha->host_no,
+            eiter->a.orom_version));
+
+        /* Firmware version */
+        eiter = (struct ct_fdmi_hba_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_HBA_FIRMWARE_VERSION);
+        ha->isp_ops.fw_version_str(ha, eiter->a.fw_version);
+        alen = strlen(eiter->a.fw_version);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): FIRMWAREVER=%s.\n", __func__, ha->host_no,
+            eiter->a.fw_version));
+
+        /* Update MS request size. */
+        qla2x00_update_ms_fdmi_iocb(ha, size + 16);
+
+        DEBUG13(printk("%s(%ld): RHBA identifier="
+            "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
+            ha->host_no, ct_req->req.rhba.hba_identifier[0],
+            ct_req->req.rhba.hba_identifier[1],
+            ct_req->req.rhba.hba_identifier[2],
+            ct_req->req.rhba.hba_identifier[3],
+            ct_req->req.rhba.hba_identifier[4],
+            ct_req->req.rhba.hba_identifier[5],
+            ct_req->req.rhba.hba_identifier[6],
+            ct_req->req.rhba.hba_identifier[7], size));
+        DEBUG13(qla2x00_dump_buffer(entries, size));
+
+        /* Execute MS IOCB */
+        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
+            sizeof(ms_iocb_entry_t));
+        if (rval != QLA_SUCCESS) {
+                /*EMPTY*/
+                DEBUG2_3(printk("scsi(%ld): RHBA issue IOCB failed (%d).\n",
+                    ha->host_no, rval));
+        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RHBA") !=
+            QLA_SUCCESS) {
+                rval = QLA_FUNCTION_FAILED;
+                if (ct_rsp->header.reason_code == CT_REASON_CANNOT_PERFORM &&
+                    ct_rsp->header.explanation_code ==
+                    CT_EXPL_ALREADY_REGISTERED) {
+                        DEBUG2_13(printk("%s(%ld): HBA already registered.\n",
+                            __func__, ha->host_no));
+                        rval = QLA_ALREADY_REGISTERED;
+                }
+        } else {
+                DEBUG2(printk("scsi(%ld): RHBA exiting normally.\n",
+                    ha->host_no));
+        }
+
+        return rval;
+}
+
+/**
+ * qla2x00_fdmi_dhba() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_dhba(scsi_qla_host_t *ha)
+{
+        int rval;
+
+        ms_iocb_entry_t *ms_pkt;
+        struct ct_sns_req *ct_req;
+        struct ct_sns_rsp *ct_rsp;
+
+        /* Issue RPA */
+        /* Prepare common MS IOCB */
+        ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, DHBA_REQ_SIZE,
+            DHBA_RSP_SIZE);
+
+        /* Prepare CT request */
+        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, DHBA_CMD,
+            DHBA_RSP_SIZE);
+        ct_rsp = &ha->ct_sns->p.rsp;
+
+        /* Prepare FDMI command arguments -- portname. */
+        memcpy(ct_req->req.dhba.port_name, ha->port_name, WWN_SIZE);
+
+        DEBUG13(printk("%s(%ld): DHBA portname="
+            "%02x%02x%02x%02x%02x%02x%02x%02x.\n", __func__, ha->host_no,
+            ct_req->req.dhba.port_name[0], ct_req->req.dhba.port_name[1],
+            ct_req->req.dhba.port_name[2], ct_req->req.dhba.port_name[3],
+            ct_req->req.dhba.port_name[4], ct_req->req.dhba.port_name[5],
+            ct_req->req.dhba.port_name[6], ct_req->req.dhba.port_name[7]));
+
+        /* Execute MS IOCB */
+        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
+            sizeof(ms_iocb_entry_t));
+        if (rval != QLA_SUCCESS) {
+                /*EMPTY*/
+                DEBUG2_3(printk("scsi(%ld): DHBA issue IOCB failed (%d).\n",
+                    ha->host_no, rval));
+        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "DHBA") !=
+            QLA_SUCCESS) {
+                rval = QLA_FUNCTION_FAILED;
+        } else {
+                DEBUG2(printk("scsi(%ld): DHBA exiting normally.\n",
+                    ha->host_no));
+        }
+
+        return rval;
+}
+
+/**
+ * qla2x00_fdmi_rpa() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+static int
+qla2x00_fdmi_rpa(scsi_qla_host_t *ha)
+{
+        int rval, alen;
+        uint32_t size, max_frame_size;
+
+        ms_iocb_entry_t *ms_pkt;
+        struct ct_sns_req *ct_req;
+        struct ct_sns_rsp *ct_rsp;
+        uint8_t *entries;
+        struct ct_fdmi_port_attr *eiter;
+        struct init_cb_24xx *icb24 = (struct init_cb_24xx *)ha->init_cb;
+
+        /* Issue RPA */
+        /* Prepare common MS IOCB */
+        /*   Request size adjusted after CT preparation */
+        ms_pkt = ha->isp_ops.prep_ms_fdmi_iocb(ha, 0, RPA_RSP_SIZE);
+
+        /* Prepare CT request */
+        ct_req = qla2x00_prep_ct_fdmi_req(&ha->ct_sns->p.req, RPA_CMD,
+            RPA_RSP_SIZE);
+        ct_rsp = &ha->ct_sns->p.rsp;
+
+        /* Prepare FDMI command arguments -- attribute block, attributes. */
+        memcpy(ct_req->req.rpa.port_name, ha->port_name, WWN_SIZE);
+        size = WWN_SIZE + 4;
+
+        /* Attributes */
+        ct_req->req.rpa.attrs.count =
+            __constant_cpu_to_be32(FDMI_PORT_ATTR_COUNT);
+        entries = ct_req->req.rpa.port_name;
+
+        /* FC4 types. */
+        eiter = (struct ct_fdmi_port_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_PORT_FC4_TYPES);
+        eiter->len = __constant_cpu_to_be16(4 + 32);
+        eiter->a.fc4_types[2] = 0x01;
+        size += 4 + 32;
+
+        DEBUG13(printk("%s(%ld): FC4_TYPES=%02x %02x.\n", __func__, ha->host_no,
+            eiter->a.fc4_types[2], eiter->a.fc4_types[1]));
+
+        /* Supported speed. */
+        eiter = (struct ct_fdmi_port_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_PORT_SUPPORT_SPEED);
+        eiter->len = __constant_cpu_to_be16(4 + 4);
+        if (IS_QLA25XX(ha))
+                eiter->a.sup_speed = __constant_cpu_to_be32(4);
+        else if (IS_QLA24XX(ha))
+                eiter->a.sup_speed = __constant_cpu_to_be32(8);
+        else if (IS_QLA23XX(ha))
+                eiter->a.sup_speed = __constant_cpu_to_be32(2);
+        else
+                eiter->a.sup_speed = __constant_cpu_to_be32(1);
+        size += 4 + 4;
+
+        DEBUG13(printk("%s(%ld): SUPPORTED_SPEED=%x.\n", __func__, ha->host_no,
+            eiter->a.sup_speed));
+
+        /* Current speed. */
+        eiter = (struct ct_fdmi_port_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_PORT_CURRENT_SPEED);
+        eiter->len = __constant_cpu_to_be16(4 + 4);
+        switch (ha->link_data_rate) {
+        case 0:
+                eiter->a.cur_speed = __constant_cpu_to_be32(1);
+                break;
+        case 1:
+                eiter->a.cur_speed = __constant_cpu_to_be32(2);
+                break;
+        case 3:
+                eiter->a.cur_speed = __constant_cpu_to_be32(8);
+                break;
+        case 4:
+                eiter->a.cur_speed = __constant_cpu_to_be32(4);
+                break;
+        }
+        size += 4 + 4;
+
+        DEBUG13(printk("%s(%ld): CURRENT_SPEED=%x.\n", __func__, ha->host_no,
+            eiter->a.cur_speed));
+
+        /* Max frame size. */
+        eiter = (struct ct_fdmi_port_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_PORT_MAX_FRAME_SIZE);
+        eiter->len = __constant_cpu_to_be16(4 + 4);
+        max_frame_size = IS_QLA24XX(ha) || IS_QLA25XX(ha) ?
+                (uint32_t) icb24->frame_payload_size:
+                (uint32_t) ha->init_cb->frame_payload_size;
+        eiter->a.max_frame_size = cpu_to_be32(max_frame_size);
+        size += 4 + 4;
+
+        DEBUG13(printk("%s(%ld): MAX_FRAME_SIZE=%x.\n", __func__, ha->host_no,
+            eiter->a.max_frame_size));
+
+        /* OS device name. */
+        eiter = (struct ct_fdmi_port_attr *) (entries + size);
+        eiter->type = __constant_cpu_to_be16(FDMI_PORT_OS_DEVICE_NAME);
+        sprintf(eiter->a.os_dev_name, "/proc/scsi/qla2xxx/%ld", ha->host_no);
+        alen = strlen(eiter->a.os_dev_name);
+        alen += (alen & 3) ? (4 - (alen & 3)) : 4;
+        eiter->len = cpu_to_be16(4 + alen);
+        size += 4 + alen;
+
+        DEBUG13(printk("%s(%ld): OS_DEVICE_NAME=%s.\n", __func__, ha->host_no,
+            eiter->a.os_dev_name));
+
+        /* Update MS request size. */
+        qla2x00_update_ms_fdmi_iocb(ha, size + 16);
+
+        DEBUG13(printk("%s(%ld): RPA portname="
+            "%02x%02x%02x%02x%02x%02x%02x%02x size=%d.\n", __func__,
+            ha->host_no, ct_req->req.rpa.port_name[0],
+            ct_req->req.rpa.port_name[1], ct_req->req.rpa.port_name[2],
+            ct_req->req.rpa.port_name[3], ct_req->req.rpa.port_name[4],
+            ct_req->req.rpa.port_name[5], ct_req->req.rpa.port_name[6],
+            ct_req->req.rpa.port_name[7], size));
+        DEBUG13(qla2x00_dump_buffer(entries, size));
+
+        /* Execute MS IOCB */
+        rval = qla2x00_issue_iocb(ha, ha->ms_iocb, ha->ms_iocb_dma,
+            sizeof(ms_iocb_entry_t));
+        if (rval != QLA_SUCCESS) {
+                /*EMPTY*/
+                DEBUG2_3(printk("scsi(%ld): RPA issue IOCB failed (%d).\n",
+                    ha->host_no, rval));
+        } else if (qla2x00_chk_ms_status(ha, ms_pkt, ct_rsp, "RPA") !=
+            QLA_SUCCESS) {
+                rval = QLA_FUNCTION_FAILED;
+        } else {
+                DEBUG2(printk("scsi(%ld): RPA exiting normally.\n",
+                    ha->host_no));
+        }
+
+        return rval;
+}
+
+/**
+ * qla2x00_fdmi_register() -
+ * @ha: HA context
+ *
+ * Returns 0 on success.
+ */
+int
+qla2x00_fdmi_register(scsi_qla_host_t *ha)
+{
+        int rval;
+
+        rval = qla2x00_mgmt_svr_login(ha);
+        if (rval)
+                return rval;
+
+        rval = qla2x00_fdmi_rhba(ha);
+        if (rval) {
+                if (rval != QLA_ALREADY_REGISTERED)
+                        return rval;
+
+                rval = qla2x00_fdmi_dhba(ha);
+                if (rval)
+                        return rval;
+
+                rval = qla2x00_fdmi_rhba(ha);
+                if (rval)
+                        return rval;
+        }
+        rval = qla2x00_fdmi_rpa(ha);
+
+        return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index a6d2559217cd..c619583e646b 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -88,6 +88,7 @@ qla2x00_initialize_adapter(scsi_qla_host_t *ha)
         ha->mbx_flags = 0;
         ha->isp_abort_cnt = 0;
         ha->beacon_blink_led = 0;
+        set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 
         qla_printk(KERN_INFO, ha, "Configuring PCI space...\n");
         rval = ha->isp_ops.pci_config(ha);
@@ -1563,7 +1564,7 @@ qla2x00_nvram_config(scsi_qla_host_t *ha)
         ha->flags.enable_lip_reset = ((nv->host_p[1] & BIT_1) ? 1 : 0);
         ha->flags.enable_lip_full_login = ((nv->host_p[1] & BIT_2) ? 1 : 0);
         ha->flags.enable_target_reset = ((nv->host_p[1] & BIT_3) ? 1 : 0);
-        ha->flags.enable_led_scheme = ((nv->efi_parameters & BIT_3) ? 1 : 0);
+        ha->flags.enable_led_scheme = (nv->special_options[1] & BIT_4) ? 1 : 0;
 
         ha->operating_mode =
             (icb->add_firmware_options[0] & (BIT_6 | BIT_5 | BIT_4)) >> 4;
@@ -1697,6 +1698,7 @@ qla2x00_alloc_fcport(scsi_qla_host_t *ha, int flags)
         fcport->iodesc_idx_sent = IODESC_INVALID_INDEX;
         atomic_set(&fcport->state, FCS_UNCONFIGURED);
         fcport->flags = FCF_RLC_SUPPORT;
+        fcport->supported_classes = FC_COS_UNSPECIFIED;
 
         return (fcport);
 }
@@ -1898,7 +1900,8 @@ qla2x00_configure_local_loop(scsi_qla_host_t *ha)
                         continue;
 
                 /* Bypass if not same domain and area of adapter. */
-                if (area != ha->d_id.b.area || domain != ha->d_id.b.domain)
+                if (area && domain &&
+                    (area != ha->d_id.b.area || domain != ha->d_id.b.domain))
                         continue;
 
                 /* Bypass invalid local loop ID. */
@@ -2075,6 +2078,7 @@ qla2x00_reg_remote_port(scsi_qla_host_t *ha, fc_port_t *fcport)
                 return;
         }
         rport->dd_data = fcport;
+        rport->supported_classes = fcport->supported_classes;
 
         rport_ids.roles = FC_RPORT_ROLE_UNKNOWN;
         if (fcport->port_type == FCT_INITIATOR)
@@ -2130,6 +2134,11 @@ qla2x00_configure_fabric(scsi_qla_host_t *ha)
                 return (QLA_SUCCESS);
         }
         do {
+                /* FDMI support. */
+                if (ql2xfdmienable &&
+                    test_and_clear_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags))
+                        qla2x00_fdmi_register(ha);
+
                 /* Ensure we are logged into the SNS. */
                 if (IS_QLA24XX(ha) || IS_QLA25XX(ha))
                         loop_id = NPH_SNS;
@@ -2392,6 +2401,12 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
                 if (new_fcport->d_id.b24 == ha->d_id.b24)
                         continue;
 
+                /* Bypass if same domain and area of adapter. */
+                if (((new_fcport->d_id.b24 & 0xffff00) ==
+                    (ha->d_id.b24 & 0xffff00)) && ha->current_topology ==
+                        ISP_CFG_FL)
+                            continue;
+
                 /* Bypass reserved domain fields. */
                 if ((new_fcport->d_id.b.domain & 0xf0) == 0xf0)
                         continue;
@@ -2794,6 +2809,11 @@ qla2x00_fabric_login(scsi_qla_host_t *ha, fc_port_t *fcport,
                                 }
                         }
 
+                        if (mb[10] & BIT_0)
+                                fcport->supported_classes |= FC_COS_CLASS2;
+                        if (mb[10] & BIT_1)
+                                fcport->supported_classes |= FC_COS_CLASS3;
+
                         rval = QLA_SUCCESS;
                         break;
                 } else if (mb[0] == MBS_LOOP_ID_USED) {
diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index ebdc3c54d155..37f82e2cd7fb 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -810,12 +810,8 @@ qla24xx_start_scsi(srb_t *sp)
                         ha->req_q_cnt = ha->request_q_length -
                                 (ha->req_ring_index - cnt);
         }
-        if (ha->req_q_cnt < (req_cnt + 2)) {
-                if  (cmd->use_sg)
-                        pci_unmap_sg(ha->pdev, sg, cmd->use_sg,
-                                        cmd->sc_data_direction);
+        if (ha->req_q_cnt < (req_cnt + 2))
                 goto queuing_error;
-        }
 
         /* Build command packet. */
         ha->current_outstanding_cmd = handle;
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index f910de6dd437..c255bb0268a9 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -451,6 +451,8 @@ qla2x00_async_event(scsi_qla_host_t *ha, uint16_t *mb)
 
                 ha->flags.management_server_logged_in = 0;
                 ha->link_data_rate = 0;
+                if (ql2xfdmienable)
+                        set_bit(REGISTER_FDMI_NEEDED, &ha->dpc_flags);
 
                 /* Update AEN queue. */
                 qla2x00_enqueue_aen(ha, MBA_LOOP_DOWN, NULL);
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 409ea0ac4032..13e1c9047079 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -19,6 +19,7 @@
 #include "qla_def.h"
 
 #include <linux/delay.h>
+#include <scsi/scsi_transport_fc.h>
 
 static void
 qla2x00_mbx_sem_timeout(unsigned long data)
@@ -251,7 +252,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *ha, mbx_cmd_t *mcp)
                         mb0 = RD_REG_WORD(&reg->isp24.mailbox0);
                         ictrl = RD_REG_DWORD(&reg->isp24.ictrl);
                 } else {
-                        mb0 = RD_MAILBOX_REG(ha, reg->isp, 0);
+                        mb0 = RD_MAILBOX_REG(ha, &reg->isp, 0);
                         ictrl = RD_REG_WORD(&reg->isp.ictrl);
                 }
                 printk("%s(%ld): **** MB Command Timeout for cmd %x ****\n",
@@ -983,58 +984,6 @@ qla2x00_abort_target(fc_port_t *fcport)
 #endif
 
 /*
- * qla2x00_target_reset
- *      Issue target reset mailbox command.
- *
- * Input:
- *      ha = adapter block pointer.
- *      TARGET_QUEUE_LOCK must be released.
- *      ADAPTER_STATE_LOCK must be released.
- *
- * Returns:
- *      qla2x00 local function return status code.
- *
- * Context:
- *      Kernel context.
- */
-int
-qla2x00_target_reset(scsi_qla_host_t *ha, struct fc_port *fcport)
-{
-        int rval;
-        mbx_cmd_t mc;
-        mbx_cmd_t *mcp = &mc;
-
-        DEBUG11(printk("qla2x00_target_reset(%ld): entered.\n", ha->host_no);)
-
-        if (atomic_read(&fcport->state) != FCS_ONLINE)
-                return 0;
-
-        mcp->mb[0] = MBC_TARGET_RESET;
-        if (HAS_EXTENDED_IDS(ha))
-                mcp->mb[1] = fcport->loop_id;
-        else
-                mcp->mb[1] = fcport->loop_id << 8;
-        mcp->mb[2] = ha->loop_reset_delay;
-        mcp->out_mb = MBX_2|MBX_1|MBX_0;
-        mcp->in_mb = MBX_0;
-        mcp->tov = 30;
-        mcp->flags = 0;
-        rval = qla2x00_mailbox_command(ha, mcp);
-
-        if (rval != QLA_SUCCESS) {
-                /*EMPTY*/
-                DEBUG2_3_11(printk("qla2x00_target_reset(%ld): failed=%x.\n",
-                    ha->host_no, rval);)
-        } else {
-                /*EMPTY*/
-                DEBUG11(printk("qla2x00_target_reset(%ld): done.\n",
-                    ha->host_no);)
-        }
-
-        return rval;
-}
-
-/*
  * qla2x00_get_adapter_id
  *      Get adapter ID and topology.
  *
@@ -1326,6 +1275,10 @@ qla2x00_get_port_database(scsi_qla_host_t *ha, fc_port_t *fcport, uint8_t opt)
                         fcport->port_type = FCT_INITIATOR;
                 else
                         fcport->port_type = FCT_TARGET;
+
+                /* Passback COS information. */
+                fcport->supported_classes = (pd->options & BIT_4) ?
+                    FC_COS_CLASS2: FC_COS_CLASS3;
         }
 
 gpd_error_out:
@@ -1661,6 +1614,13 @@ qla24xx_login_fabric(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
                                 mb[1] |= BIT_1;
                 } else
                         mb[1] = BIT_0;
+
+                /* Passback COS information. */
+                mb[10] = 0;
+                if (lg->io_parameter[7] || lg->io_parameter[8])
+                        mb[10] |= BIT_0;        /* Class 2. */
+                if (lg->io_parameter[9] || lg->io_parameter[10])
+                        mb[10] |= BIT_1;        /* Class 3. */
         }
 
         dma_pool_free(ha->s_dma_pool, lg, lg_dma);
@@ -1723,6 +1683,8 @@ qla2x00_login_fabric(scsi_qla_host_t *ha, uint16_t loop_id, uint8_t domain,
                 mb[2] = mcp->mb[2];
                 mb[6] = mcp->mb[6];
                 mb[7] = mcp->mb[7];
+                /* COS retrieved from Get-Port-Database mailbox command. */
+                mb[10] = 0;
         }
 
         if (rval != QLA_SUCCESS) {
@@ -2465,3 +2427,32 @@ qla2x00_set_serdes_params(scsi_qla_host_t *ha, uint16_t sw_em_1g,
 
         return rval;
 }
+
+int
+qla2x00_stop_firmware(scsi_qla_host_t *ha)
+{
+        int rval;
+        mbx_cmd_t mc;
+        mbx_cmd_t *mcp = &mc;
+
+        if (!IS_QLA24XX(ha) && !IS_QLA25XX(ha))
+                return QLA_FUNCTION_FAILED;
+
+        DEBUG11(printk("%s(%ld): entered.\n", __func__, ha->host_no));
+
+        mcp->mb[0] = MBC_STOP_FIRMWARE;
+        mcp->out_mb = MBX_0;
+        mcp->in_mb = MBX_0;
+        mcp->tov = 5;
+        mcp->flags = 0;
+        rval = qla2x00_mailbox_command(ha, mcp);
+
+        if (rval != QLA_SUCCESS) {
+                DEBUG2_3_11(printk("%s(%ld): failed=%x.\n", __func__,
+                    ha->host_no, rval));
+        } else {
+                DEBUG11(printk("%s(%ld): done.\n", __func__, ha->host_no));
+        }
+
+        return rval;
+}
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 9000659bfbcf..8982978c42fd 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -79,7 +79,7 @@ module_param(ql2xloginretrycount, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xloginretrycount,
                 "Specify an alternate value for the NVRAM login retry count.");
 
-int ql2xfwloadbin;
+int ql2xfwloadbin=1;
 module_param(ql2xfwloadbin, int, S_IRUGO|S_IRUSR);
 MODULE_PARM_DESC(ql2xfwloadbin,
                 "Load ISP2xxx firmware image via hotplug.");
@@ -88,6 +88,12 @@ static void qla2x00_free_device(scsi_qla_host_t *);
 
 static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha);
 
+int ql2xfdmienable;
+module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR);
+MODULE_PARM_DESC(ql2xfdmienable,
+                "Enables FDMI registratons "
+                "Default is 0 - no FDMI. 1 - perfom FDMI.");
+
 /*
  * SCSI host template entry points
  */
@@ -105,6 +111,9 @@ static int qla2xxx_eh_host_reset(struct scsi_cmnd *);
 static int qla2x00_loop_reset(scsi_qla_host_t *ha);
 static int qla2x00_device_reset(scsi_qla_host_t *, fc_port_t *);
 
+static int qla2x00_change_queue_depth(struct scsi_device *, int);
+static int qla2x00_change_queue_type(struct scsi_device *, int);
+
 static struct scsi_host_template qla2x00_driver_template = {
         .module                 = THIS_MODULE,
         .name                   = "qla2xxx",
@@ -119,6 +128,8 @@ static struct scsi_host_template qla2x00_driver_template = {
 
         .slave_alloc            = qla2xxx_slave_alloc,
         .slave_destroy          = qla2xxx_slave_destroy,
+        .change_queue_depth     = qla2x00_change_queue_depth,
+        .change_queue_type      = qla2x00_change_queue_type,
         .this_id                = -1,
         .cmd_per_lun            = 3,
         .use_clustering         = ENABLE_CLUSTERING,
@@ -129,6 +140,7 @@ static struct scsi_host_template qla2x00_driver_template = {
          * which equates to 0x800000 sectors.
          */
         .max_sectors            = 0xFFFF,
+        .shost_attrs            = qla2x00_host_attrs,
 };
 
 static struct scsi_host_template qla24xx_driver_template = {
@@ -145,12 +157,15 @@ static struct scsi_host_template qla24xx_driver_template = {
 
         .slave_alloc            = qla2xxx_slave_alloc,
         .slave_destroy          = qla2xxx_slave_destroy,
+        .change_queue_depth     = qla2x00_change_queue_depth,
+        .change_queue_type      = qla2x00_change_queue_type,
         .this_id                = -1,
         .cmd_per_lun            = 3,
         .use_clustering         = ENABLE_CLUSTERING,
         .sg_tablesize           = SG_ALL,
 
         .max_sectors            = 0xFFFF,
+        .shost_attrs            = qla2x00_host_attrs,
 };
 
 static struct scsi_transport_template *qla2xxx_transport_template = NULL;
@@ -487,14 +502,13 @@ qc24_fail_command:
 static int
 qla2x00_eh_wait_on_command(scsi_qla_host_t *ha, struct scsi_cmnd *cmd)
 {
-#define ABORT_POLLING_PERIOD    HZ
-#define ABORT_WAIT_ITER         ((10 * HZ) / (ABORT_POLLING_PERIOD))
+#define ABORT_POLLING_PERIOD    1000
+#define ABORT_WAIT_ITER         ((10 * 1000) / (ABORT_POLLING_PERIOD))
         unsigned long wait_iter = ABORT_WAIT_ITER;
         int ret = QLA_SUCCESS;
 
         while (CMD_SP(cmd)) {
-                set_current_state(TASK_UNINTERRUPTIBLE);
-                schedule_timeout(ABORT_POLLING_PERIOD);
+                msleep(ABORT_POLLING_PERIOD);
 
                 if (--wait_iter)
                         break;
@@ -1016,7 +1030,7 @@ qla2x00_loop_reset(scsi_qla_host_t *ha)
                         if (fcport->port_type != FCT_TARGET)
                                 continue;
 
-                        status = qla2x00_target_reset(ha, fcport);
+                        status = qla2x00_device_reset(ha, fcport);
                         if (status != QLA_SUCCESS)
                                 break;
                 }
@@ -1103,6 +1117,28 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
         sdev->hostdata = NULL;
 }
 
+static int
+qla2x00_change_queue_depth(struct scsi_device *sdev, int qdepth)
+{
+        scsi_adjust_queue_depth(sdev, scsi_get_tag_type(sdev), qdepth);
+        return sdev->queue_depth;
+}
+
+static int
+qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type)
+{
+        if (sdev->tagged_supported) {
+                scsi_set_tag_type(sdev, tag_type);
+                if (tag_type)
+                        scsi_activate_tcq(sdev, sdev->queue_depth);
+                else
+                        scsi_deactivate_tcq(sdev, sdev->queue_depth);
+        } else
+                tag_type = 0;
+
+        return tag_type;
+}
+
 /**
  * qla2x00_config_dma_addressing() - Configure OS DMA addressing method.
  * @ha: HA context
@@ -1113,36 +1149,23 @@ qla2xxx_slave_destroy(struct scsi_device *sdev)
 static void
 qla2x00_config_dma_addressing(scsi_qla_host_t *ha)
 {
-        /* Assume 32bit DMA address */
+        /* Assume a 32bit DMA mask. */
         ha->flags.enable_64bit_addressing = 0;
 
-        /*
-         * Given the two variants pci_set_dma_mask(), allow the compiler to
-         * assist in setting the proper dma mask.
-         */
-        if (sizeof(dma_addr_t) > 4) {
-                if (pci_set_dma_mask(ha->pdev, DMA_64BIT_MASK) == 0) {
+        if (!dma_set_mask(&ha->pdev->dev, DMA_64BIT_MASK)) {
+                /* Any upper-dword bits set? */
+                if (MSD(dma_get_required_mask(&ha->pdev->dev)) &&
+                    !pci_set_consistent_dma_mask(ha->pdev, DMA_64BIT_MASK)) {
+                        /* Ok, a 64bit DMA mask is applicable. */
                         ha->flags.enable_64bit_addressing = 1;
                         ha->isp_ops.calc_req_entries = qla2x00_calc_iocbs_64;
                         ha->isp_ops.build_iocbs = qla2x00_build_scsi_iocbs_64;
-
-                        if (pci_set_consistent_dma_mask(ha->pdev,
-                            DMA_64BIT_MASK)) {
-                                qla_printk(KERN_DEBUG, ha,
-                                    "Failed to set 64 bit PCI consistent mask; "
-                                    "using 32 bit.\n");
-                                pci_set_consistent_dma_mask(ha->pdev,
-                                    DMA_32BIT_MASK);
-                        }
-                } else {
-                        qla_printk(KERN_DEBUG, ha,
-                            "Failed to set 64 bit PCI DMA mask, falling back "
-                            "to 32 bit MASK.\n");
-                        pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK);
+                        return;
                 }
-        } else {
-                pci_set_dma_mask(ha->pdev, DMA_32BIT_MASK);
         }
+
+        dma_set_mask(&ha->pdev->dev, DMA_32BIT_MASK);
+        pci_set_consistent_dma_mask(ha->pdev, DMA_32BIT_MASK);
 }
 
 static int
@@ -1316,6 +1339,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         ha->prev_topology = 0;
         ha->ports = MAX_BUSES;
         ha->init_cb_size = sizeof(init_cb_t);
+        ha->mgmt_svr_loop_id = MANAGEMENT_SERVER;
 
         /* Assign ISP specific operations. */
         ha->isp_ops.pci_config          = qla2100_pci_config;
@@ -1338,6 +1362,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         ha->isp_ops.calc_req_entries    = qla2x00_calc_iocbs_32;
         ha->isp_ops.build_iocbs         = qla2x00_build_scsi_iocbs_32;
         ha->isp_ops.prep_ms_iocb        = qla2x00_prep_ms_iocb;
+        ha->isp_ops.prep_ms_fdmi_iocb   = qla2x00_prep_ms_fdmi_iocb;
         ha->isp_ops.read_nvram          = qla2x00_read_nvram_data;
         ha->isp_ops.write_nvram         = qla2x00_write_nvram_data;
         ha->isp_ops.fw_dump             = qla2100_fw_dump;
@@ -1375,6 +1400,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
                 ha->response_q_length = RESPONSE_ENTRY_CNT_2300;
                 ha->last_loop_id = SNS_LAST_LOOP_ID_2300;
                 ha->init_cb_size = sizeof(struct init_cb_24xx);
+                ha->mgmt_svr_loop_id = 10;
                 ha->isp_ops.pci_config = qla24xx_pci_config;
                 ha->isp_ops.reset_chip = qla24xx_reset_chip;
                 ha->isp_ops.chip_diag = qla24xx_chip_diag;
@@ -1395,6 +1421,7 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
                 ha->isp_ops.fabric_login = qla24xx_login_fabric;
                 ha->isp_ops.fabric_logout = qla24xx_fabric_logout;
                 ha->isp_ops.prep_ms_iocb = qla24xx_prep_ms_iocb;
+                ha->isp_ops.prep_ms_fdmi_iocb = qla24xx_prep_ms_fdmi_iocb;
                 ha->isp_ops.read_nvram = qla24xx_read_nvram_data;
                 ha->isp_ops.write_nvram = qla24xx_write_nvram_data;
                 ha->isp_ops.fw_dump = qla24xx_fw_dump;
@@ -1558,8 +1585,6 @@ int qla2x00_probe_one(struct pci_dev *pdev, struct qla_board_info *brd_info)
         return 0;
 
 probe_failed:
-        fc_remove_host(ha->host);
-
         qla2x00_free_device(ha);
 
         scsi_host_put(host);
@@ -1601,10 +1626,6 @@ qla2x00_free_device(scsi_qla_host_t *ha)
         if (!IS_QLA2100(ha) && !IS_QLA2200(ha))
                 qla2x00_cancel_io_descriptors(ha);
 
-        /* turn-off interrupts on the card */
-        if (ha->interrupts_on)
-                ha->isp_ops.disable_intrs(ha);
-
         /* Disable timer */
         if (ha->timer_active)
                 qla2x00_stop_timer(ha);
@@ -1624,8 +1645,14 @@ qla2x00_free_device(scsi_qla_host_t *ha)
                 }
         }
 
-        qla2x00_mem_free(ha);
+        /* Stop currently executing firmware. */
+        qla2x00_stop_firmware(ha);
+
+        /* turn-off interrupts on the card */
+        if (ha->interrupts_on)
+                ha->isp_ops.disable_intrs(ha);
 
+        qla2x00_mem_free(ha);
 
         ha->flags.online = 0;
 
@@ -1934,7 +1961,7 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
 {
         struct list_head        *fcpl, *fcptemp;
         fc_port_t       *fcport;
-        unsigned long   wtime;/* max wait time if mbx cmd is busy. */
+        unsigned int    wtime;/* max wait time if mbx cmd is busy. */
 
         if (ha == NULL) {
                 /* error */
@@ -1943,11 +1970,9 @@ qla2x00_mem_free(scsi_qla_host_t *ha)
         }
 
         /* Make sure all other threads are stopped. */
-        wtime = 60 * HZ;
-        while (ha->dpc_wait && wtime) {
-                set_current_state(TASK_INTERRUPTIBLE);
-                wtime = schedule_timeout(wtime);
-        }
+        wtime = 60 * 1000;
+        while (ha->dpc_wait && wtime)
+                wtime = msleep_interruptible(wtime);
 
         /* free ioctl memory */
         qla2x00_free_ioctl_mem(ha);
@@ -2478,15 +2503,15 @@ qla2x00_timer(scsi_qla_host_t *ha)
 int
 qla2x00_down_timeout(struct semaphore *sema, unsigned long timeout)
 {
-        const unsigned int step = HZ/10;
+        const unsigned int step = 100; /* msecs */
+        unsigned int iterations = jiffies_to_msecs(timeout)/100;
 
         do {
                 if (!down_trylock(sema))
                         return 0;
-                set_current_state(TASK_INTERRUPTIBLE);
-                if (schedule_timeout(step))
+                if (msleep_interruptible(step))
                         break;
-        } while ((timeout -= step) > 0);
+        } while (--iterations >= 0);
 
         return -ETIMEDOUT;
 }
diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c
index d7f5c608009c..c14abf743b7c 100644
--- a/drivers/scsi/qla2xxx/qla_sup.c
+++ b/drivers/scsi/qla2xxx/qla_sup.c
@@ -468,21 +468,12 @@ qla24xx_read_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
     uint32_t dwords)
 {
         uint32_t i;
-        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
-
-        /* Pause RISC. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
 
         /* Dword reads to flash. */
         for (i = 0; i < dwords; i++, faddr++)
                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
                     flash_data_to_access_addr(faddr)));
 
-        /* Release RISC pause. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-
         return dwptr;
 }
 
@@ -532,10 +523,6 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
 
         ret = QLA_SUCCESS;
 
-        /* Pause RISC. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-
         qla24xx_get_flash_manufacturer(ha, &man_id, &flash_id);
         DEBUG9(printk("%s(%ld): Flash man_id=%d flash_id=%d\n", __func__,
             ha->host_no, man_id, flash_id));
@@ -599,10 +586,6 @@ qla24xx_write_flash_data(scsi_qla_host_t *ha, uint32_t *dwptr, uint32_t faddr,
             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 
-        /* Release RISC pause. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-
         return ret;
 }
 
@@ -630,11 +613,6 @@ qla24xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 {
         uint32_t i;
         uint32_t *dwptr;
-        struct device_reg_24xx __iomem *reg = &ha->iobase->isp24;
-
-        /* Pause RISC. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);       /* PCI Posting. */
 
         /* Dword reads to flash. */
         dwptr = (uint32_t *)buf;
@@ -642,10 +620,6 @@ qla24xx_read_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
                 dwptr[i] = cpu_to_le32(qla24xx_read_flash_dword(ha,
                     nvram_data_to_access_addr(naddr)));
 
-        /* Release RISC pause. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);       /* PCI Posting. */
-
         return buf;
 }
 
@@ -690,10 +664,6 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
 
         ret = QLA_SUCCESS;
 
-        /* Pause RISC. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_SET_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-
         /* Enable flash write. */
         WRT_REG_DWORD(&reg->ctrl_status,
             RD_REG_DWORD(&reg->ctrl_status) | CSRX_FLASH_ENABLE);
@@ -728,9 +698,5 @@ qla24xx_write_nvram_data(scsi_qla_host_t *ha, uint8_t *buf, uint32_t naddr,
             RD_REG_DWORD(&reg->ctrl_status) & ~CSRX_FLASH_ENABLE);
         RD_REG_DWORD(&reg->ctrl_status);        /* PCI Posting. */
 
-        /* Release RISC pause. */
-        WRT_REG_DWORD(&reg->hccr, HCCRX_REL_RISC_PAUSE);
-        RD_REG_DWORD(&reg->hccr);               /* PCI Posting. */
-
         return ret;
 }
diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h
index e3cd3618bc54..eae7d6edd531 100644
--- a/drivers/scsi/qla2xxx/qla_version.h
+++ b/drivers/scsi/qla2xxx/qla_version.h
@@ -19,9 +19,9 @@
 /*
  * Driver version
  */
-#define QLA2XXX_VERSION      "8.01.00b5-k"
+#define QLA2XXX_VERSION      "8.01.00-k"
 
 #define QLA_DRIVER_MAJOR_VER    8
 #define QLA_DRIVER_MINOR_VER    1
 #define QLA_DRIVER_PATCH_VER    0
-#define QLA_DRIVER_BETA_VER     5
+#define QLA_DRIVER_BETA_VER     0
diff --git a/drivers/scsi/raid_class.c b/drivers/scsi/raid_class.c
new file mode 100644
index 000000000000..f1ea5027865f
--- /dev/null
+++ b/drivers/scsi/raid_class.c
@@ -0,0 +1,250 @@
+/*
+ * RAID Attributes
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/list.h>
+#include <linux/raid_class.h>
+#include <scsi/scsi_device.h>
+#include <scsi/scsi_host.h>
+
+#define RAID_NUM_ATTRS  3
+
+struct raid_internal {
+        struct raid_template r;
+        struct raid_function_template *f;
+        /* The actual attributes */
+        struct class_device_attribute private_attrs[RAID_NUM_ATTRS];
+        /* The array of null terminated pointers to attributes 
+         * needed by scsi_sysfs.c */
+        struct class_device_attribute *attrs[RAID_NUM_ATTRS + 1];
+};
+
+struct raid_component {
+        struct list_head node;
+        struct device *dev;
+        int num;
+};
+
+#define to_raid_internal(tmpl)  container_of(tmpl, struct raid_internal, r)
+
+#define tc_to_raid_internal(tcont) ({                                   \
+        struct raid_template *r =                                       \
+                container_of(tcont, struct raid_template, raid_attrs);  \
+        to_raid_internal(r);                                            \
+})
+
+#define ac_to_raid_internal(acont) ({                                   \
+        struct transport_container *tc =                                \
+                container_of(acont, struct transport_container, ac);    \
+        tc_to_raid_internal(tc);                                        \
+})
+
+#define class_device_to_raid_internal(cdev) ({                          \
+        struct attribute_container *ac =                                \
+                attribute_container_classdev_to_container(cdev);        \
+        ac_to_raid_internal(ac);                                        \
+})
+        
+
+static int raid_match(struct attribute_container *cont, struct device *dev)
+{
+        /* We have to look for every subsystem that could house
+         * emulated RAID devices, so start with SCSI */
+        struct raid_internal *i = ac_to_raid_internal(cont);
+
+        if (scsi_is_sdev_device(dev)) {
+                struct scsi_device *sdev = to_scsi_device(dev);
+
+                if (i->f->cookie != sdev->host->hostt)
+                        return 0;
+
+                return i->f->is_raid(dev);
+        }
+        /* FIXME: look at other subsystems too */
+        return 0;
+}
+
+static int raid_setup(struct transport_container *tc, struct device *dev,
+                       struct class_device *cdev)
+{
+        struct raid_data *rd;
+
+        BUG_ON(class_get_devdata(cdev));
+
+        rd = kmalloc(sizeof(*rd), GFP_KERNEL);
+        if (!rd)
+                return -ENOMEM;
+
+        memset(rd, 0, sizeof(*rd));
+        INIT_LIST_HEAD(&rd->component_list);
+        class_set_devdata(cdev, rd);
+                
+        return 0;
+}
+
+static int raid_remove(struct transport_container *tc, struct device *dev,
+                       struct class_device *cdev)
+{
+        struct raid_data *rd = class_get_devdata(cdev);
+        struct raid_component *rc, *next;
+        class_set_devdata(cdev, NULL);
+        list_for_each_entry_safe(rc, next, &rd->component_list, node) {
+                char buf[40];
+                snprintf(buf, sizeof(buf), "component-%d", rc->num);
+                list_del(&rc->node);
+                sysfs_remove_link(&cdev->kobj, buf);
+                kfree(rc);
+        }
+        kfree(class_get_devdata(cdev));
+        return 0;
+}
+
+static DECLARE_TRANSPORT_CLASS(raid_class,
+                               "raid_devices",
+                               raid_setup,
+                               raid_remove,
+                               NULL);
+
+static struct {
+        enum raid_state value;
+        char            *name;
+} raid_states[] = {
+        { RAID_ACTIVE, "active" },
+        { RAID_DEGRADED, "degraded" },
+        { RAID_RESYNCING, "resyncing" },
+        { RAID_OFFLINE, "offline" },
+};
+
+static const char *raid_state_name(enum raid_state state)
+{
+        int i;
+        char *name = NULL;
+
+        for (i = 0; i < sizeof(raid_states)/sizeof(raid_states[0]); i++) {
+                if (raid_states[i].value == state) {
+                        name = raid_states[i].name;
+                        break;
+                }
+        }
+        return name;
+}
+
+
+#define raid_attr_show_internal(attr, fmt, var, code)                   \
+static ssize_t raid_show_##attr(struct class_device *cdev, char *buf)   \
+{                                                                       \
+        struct raid_data *rd = class_get_devdata(cdev);                 \
+        code                                                            \
+        return snprintf(buf, 20, #fmt "\n", var);                       \
+}
+
+#define raid_attr_ro_states(attr, states, code)                         \
+raid_attr_show_internal(attr, %s, name,                                 \
+        const char *name;                                               \
+        code                                                            \
+        name = raid_##states##_name(rd->attr);                          \
+)                                                                       \
+static CLASS_DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL)
+
+
+#define raid_attr_ro_internal(attr, code)                               \
+raid_attr_show_internal(attr, %d, rd->attr, code)                       \
+static CLASS_DEVICE_ATTR(attr, S_IRUGO, raid_show_##attr, NULL)
+
+#define ATTR_CODE(attr)                                                 \
+        struct raid_internal *i = class_device_to_raid_internal(cdev);  \
+        if (i->f->get_##attr)                                           \
+                i->f->get_##attr(cdev->dev);
+
+#define raid_attr_ro(attr)      raid_attr_ro_internal(attr, )
+#define raid_attr_ro_fn(attr)   raid_attr_ro_internal(attr, ATTR_CODE(attr))
+#define raid_attr_ro_state(attr)        raid_attr_ro_states(attr, attr, ATTR_CODE(attr))
+
+raid_attr_ro(level);
+raid_attr_ro_fn(resync);
+raid_attr_ro_state(state);
+
+void raid_component_add(struct raid_template *r,struct device *raid_dev,
+                        struct device *component_dev)
+{
+        struct class_device *cdev =
+                attribute_container_find_class_device(&r->raid_attrs.ac,
+                                                      raid_dev);
+        struct raid_component *rc;
+        struct raid_data *rd = class_get_devdata(cdev);
+        char buf[40];
+
+        rc = kmalloc(sizeof(*rc), GFP_KERNEL);
+        if (!rc)
+                return;
+
+        INIT_LIST_HEAD(&rc->node);
+        rc->dev = component_dev;
+        rc->num = rd->component_count++;
+
+        snprintf(buf, sizeof(buf), "component-%d", rc->num);
+        list_add_tail(&rc->node, &rd->component_list);
+        sysfs_create_link(&cdev->kobj, &component_dev->kobj, buf);
+}
+EXPORT_SYMBOL(raid_component_add);
+
+struct raid_template *
+raid_class_attach(struct raid_function_template *ft)
+{
+        struct raid_internal *i = kmalloc(sizeof(struct raid_internal),
+                                          GFP_KERNEL);
+        int count = 0;
+
+        if (unlikely(!i))
+                return NULL;
+
+        memset(i, 0, sizeof(*i));
+
+        i->f = ft;
+
+        i->r.raid_attrs.ac.class = &raid_class.class;
+        i->r.raid_attrs.ac.match = raid_match;
+        i->r.raid_attrs.ac.attrs = &i->attrs[0];
+
+        attribute_container_register(&i->r.raid_attrs.ac);
+
+        i->attrs[count++] = &class_device_attr_level;
+        i->attrs[count++] = &class_device_attr_resync;
+        i->attrs[count++] = &class_device_attr_state;
+
+        i->attrs[count] = NULL;
+        BUG_ON(count > RAID_NUM_ATTRS);
+
+        return &i->r;
+}
+EXPORT_SYMBOL(raid_class_attach);
+
+void
+raid_class_release(struct raid_template *r)
+{
+        struct raid_internal *i = to_raid_internal(r);
+
+        attribute_container_unregister(&i->r.raid_attrs.ac);
+
+        kfree(i);
+}
+EXPORT_SYMBOL(raid_class_release);
+
+static __init int raid_init(void)
+{
+        return transport_class_register(&raid_class);
+}
+
+static __exit void raid_exit(void)
+{
+        transport_class_unregister(&raid_class);
+}
+
+MODULE_AUTHOR("James Bottomley");
+MODULE_DESCRIPTION("RAID device class");
+MODULE_LICENSE("GPL");
+
+module_init(raid_init);
+module_exit(raid_exit);
+
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index d14523d7e449..a780546eda9c 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -268,6 +268,7 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, int gfp_mask)
         } else
                 put_device(&dev->sdev_gendev);
 
+        cmd->jiffies_at_alloc = jiffies;
         return cmd;
 }                               
 EXPORT_SYMBOL(scsi_get_command);
@@ -627,7 +628,7 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
         spin_lock_irqsave(host->host_lock, flags);
         scsi_cmd_get_serial(host, cmd); 
 
-        if (unlikely(test_bit(SHOST_CANCEL, &host->shost_state))) {
+        if (unlikely(host->shost_state == SHOST_DEL)) {
                 cmd->result = (DID_NO_CONNECT << 16);
                 scsi_done(cmd);
         } else {
@@ -798,9 +799,23 @@ static void scsi_softirq(struct softirq_action *h)
         while (!list_empty(&local_q)) {
                 struct scsi_cmnd *cmd = list_entry(local_q.next,
                                                    struct scsi_cmnd, eh_entry);
+                /* The longest time any command should be outstanding is the
+                 * per command timeout multiplied by the number of retries.
+                 *
+                 * For a typical command, this is 2.5 minutes */
+                unsigned long wait_for 
+                        = cmd->allowed * cmd->timeout_per_command;
                 list_del_init(&cmd->eh_entry);
 
                 disposition = scsi_decide_disposition(cmd);
+                if (disposition != SUCCESS &&
+                    time_before(cmd->jiffies_at_alloc + wait_for, jiffies)) {
+                        dev_printk(KERN_ERR, &cmd->device->sdev_gendev, 
+                                   "timing out command, waited %lus\n",
+                                   wait_for/HZ);
+                        disposition = SUCCESS;
+                }
+                        
                 scsi_log_completion(cmd, disposition);
                 switch (disposition) {
                 case SUCCESS:
diff --git a/drivers/scsi/scsi_devinfo.c b/drivers/scsi/scsi_devinfo.c
index 6121dc1bfada..07b554affcf2 100644
--- a/drivers/scsi/scsi_devinfo.c
+++ b/drivers/scsi/scsi_devinfo.c
@@ -114,6 +114,7 @@ static struct {
         {"YAMAHA", "CDR102", "1.00", BLIST_NOLUN},      /* locks up */
         {"YAMAHA", "CRW8424S", "1.0", BLIST_NOLUN},     /* locks up */
         {"YAMAHA", "CRW6416S", "1.0c", BLIST_NOLUN},    /* locks up */
+        {"", "Scanner", "1.80", BLIST_NOLUN},   /* responds to all lun */
 
         /*
          * Other types of devices that have special flags.
@@ -135,7 +136,7 @@ static struct {
         {"COMPAQ", "MSA1000 VOLUME", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
         {"COMPAQ", "HSV110", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
         {"DDN", "SAN DataDirector", "*", BLIST_SPARSELUN},
-        {"DEC", "HSG80", NULL, BLIST_SPARSELUN | BLIST_NOSTARTONADD},
+        {"DEC", "HSG80", NULL, BLIST_REPORTLUN2 | BLIST_NOSTARTONADD},
         {"DELL", "PV660F", NULL, BLIST_SPARSELUN},
         {"DELL", "PV660F   PSEUDO", NULL, BLIST_SPARSELUN},
         {"DELL", "PSEUDO DEVICE .", NULL, BLIST_SPARSELUN},     /* Dell PV 530F */
@@ -191,6 +192,7 @@ static struct {
         {"SGI", "RAID5", "*", BLIST_SPARSELUN},
         {"SGI", "TP9100", "*", BLIST_REPORTLUN2},
         {"SGI", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
+        {"IBM", "Universal Xport", "*", BLIST_NO_ULD_ATTACH},
         {"SMSC", "USB 2 HS-CF", NULL, BLIST_SPARSELUN | BLIST_INQUIRY_36},
         {"SONY", "CD-ROM CDU-8001", NULL, BLIST_BORKEN},
         {"SONY", "TSL", NULL, BLIST_FORCELUN},          /* DDS3 & DDS4 autoloaders */
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 0fc8b48f052b..895c9452be4c 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -20,6 +20,7 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
+#include <linux/kthread.h>
 #include <linux/interrupt.h>
 #include <linux/blkdev.h>
 #include <linux/delay.h>
@@ -75,7 +76,7 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag)
 
         scmd->eh_eflags |= eh_flag;
         list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
-        set_bit(SHOST_RECOVERY, &shost->shost_state);
+        scsi_host_set_state(shost, SHOST_RECOVERY);
         shost->host_failed++;
         scsi_eh_wakeup(shost);
         spin_unlock_irqrestore(shost->host_lock, flags);
@@ -115,7 +116,6 @@ void scsi_add_timer(struct scsi_cmnd *scmd, int timeout,
 
         add_timer(&scmd->eh_timeout);
 }
-EXPORT_SYMBOL(scsi_add_timer);
 
 /**
  * scsi_delete_timer - Delete/cancel timer for a given function.
@@ -143,7 +143,6 @@ int scsi_delete_timer(struct scsi_cmnd *scmd)
 
         return rtn;
 }
-EXPORT_SYMBOL(scsi_delete_timer);
 
 /**
  * scsi_times_out - Timeout function for normal scsi commands.
@@ -197,7 +196,8 @@ int scsi_block_when_processing_errors(struct scsi_device *sdev)
 {
         int online;
 
-        wait_event(sdev->host->host_wait, (!test_bit(SHOST_RECOVERY, &sdev->host->shost_state)));
+        wait_event(sdev->host->host_wait, (sdev->host->shost_state !=
+                                           SHOST_RECOVERY));
 
         online = scsi_device_online(sdev);
 
@@ -775,9 +775,11 @@ retry_tur:
                 __FUNCTION__, scmd, rtn));
         if (rtn == SUCCESS)
                 return 0;
-        else if (rtn == NEEDS_RETRY)
+        else if (rtn == NEEDS_RETRY) {
                 if (retry_cnt--)
                         goto retry_tur;
+                return 0;
+        }
         return 1;
 }
 
@@ -1458,7 +1460,7 @@ static void scsi_restart_operations(struct Scsi_Host *shost)
         SCSI_LOG_ERROR_RECOVERY(3, printk("%s: waking up host to restart\n",
                                           __FUNCTION__));
 
-        clear_bit(SHOST_RECOVERY, &shost->shost_state);
+        scsi_host_set_state(shost, SHOST_RUNNING);
 
         wake_up(&shost->host_wait);
 
@@ -1582,16 +1584,8 @@ int scsi_error_handler(void *data)
         int rtn;
         DECLARE_MUTEX_LOCKED(sem);
 
-        /*
-         *    Flush resources
-         */
-
-        daemonize("scsi_eh_%d", shost->host_no);
-
         current->flags |= PF_NOFREEZE;
-
         shost->eh_wait = &sem;
-        shost->ehandler = current;
 
         /*
          * Wake up the thread that created us.
@@ -1599,8 +1593,6 @@ int scsi_error_handler(void *data)
         SCSI_LOG_ERROR_RECOVERY(3, printk("Wake up parent of"
                                           " scsi_eh_%d\n",shost->host_no));
 
-        complete(shost->eh_notify);
-
         while (1) {
                 /*
                  * If we get a signal, it means we are supposed to go
@@ -1621,7 +1613,7 @@ int scsi_error_handler(void *data)
                  * semaphores isn't unreasonable.
                  */
                 down_interruptible(&sem);
-                if (shost->eh_kill)
+                if (kthread_should_stop())
                         break;
 
                 SCSI_LOG_ERROR_RECOVERY(1, printk("Error handler"
@@ -1660,22 +1652,6 @@ int scsi_error_handler(void *data)
          * Make sure that nobody tries to wake us up again.
          */
         shost->eh_wait = NULL;
-
-        /*
-         * Knock this down too.  From this point on, the host is flying
-         * without a pilot.  If this is because the module is being unloaded,
-         * that's fine.  If the user sent a signal to this thing, we are
-         * potentially in real danger.
-         */
-        shost->eh_active = 0;
-        shost->ehandler = NULL;
-
-        /*
-         * If anyone is waiting for us to exit (i.e. someone trying to unload
-         * a driver), then wake up that process to let them know we are on
-         * the way out the door.
-         */
-        complete_and_exit(shost->eh_notify, 0);
         return 0;
 }
 
@@ -1846,12 +1822,16 @@ EXPORT_SYMBOL(scsi_reset_provider);
 int scsi_normalize_sense(const u8 *sense_buffer, int sb_len,
                          struct scsi_sense_hdr *sshdr)
 {
-        if (!sense_buffer || !sb_len || (sense_buffer[0] & 0x70) != 0x70)
+        if (!sense_buffer || !sb_len)
                 return 0;
 
         memset(sshdr, 0, sizeof(struct scsi_sense_hdr));
 
         sshdr->response_code = (sense_buffer[0] & 0x7f);
+
+        if (!scsi_sense_valid(sshdr))
+                return 0;
+
         if (sshdr->response_code >= 0x72) {
                 /*
                  * descriptor format
diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 7a6b530115ac..b7fddac81347 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -30,20 +30,20 @@
 
 #define MAX_BUF PAGE_SIZE
 
-/*
- * If we are told to probe a host, we will return 0 if  the host is not
- * present, 1 if the host is present, and will return an identifying
- * string at *arg, if arg is non null, filling to the length stored at
- * (int *) arg
+/**
+ * ioctl_probe  --  return host identification
+ * @host:       host to identify
+ * @buffer:     userspace buffer for identification
+ *
+ * Return an identifying string at @buffer, if @buffer is non-NULL, filling
+ * to the length stored at * (int *) @buffer.
  */
-
 static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
 {
         unsigned int len, slen;
         const char *string;
-        int temp = host->hostt->present;
 
-        if (temp && buffer) {
+        if (buffer) {
                 if (get_user(len, (unsigned int __user *) buffer))
                         return -EFAULT;
 
@@ -59,7 +59,7 @@ static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
                                 return -EFAULT;
                 }
         }
-        return temp;
+        return 1;
 }
 
 /*
@@ -88,25 +88,18 @@ static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
 static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                                   int timeout, int retries)
 {
-        struct scsi_request *sreq;
         int result;
         struct scsi_sense_hdr sshdr;
 
         SCSI_LOG_IOCTL(1, printk("Trying ioctl with scsi command %d\n", *cmd));
 
-        sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        if (!sreq) {
-                printk(KERN_WARNING "SCSI internal ioctl failed, no memory\n");
-                return -ENOMEM;
-        }
-
-        sreq->sr_data_direction = DMA_NONE;
-        scsi_wait_req(sreq, cmd, NULL, 0, timeout, retries);
+        result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0,
+                                  &sshdr, timeout, retries);
 
-        SCSI_LOG_IOCTL(2, printk("Ioctl returned  0x%x\n", sreq->sr_result));
+        SCSI_LOG_IOCTL(2, printk("Ioctl returned  0x%x\n", result));
 
-        if ((driver_byte(sreq->sr_result) & DRIVER_SENSE) &&
-            (scsi_request_normalize_sense(sreq, &sshdr))) {
+        if ((driver_byte(result) & DRIVER_SENSE) &&
+            (scsi_sense_valid(&sshdr))) {
                 switch (sshdr.sense_key) {
                 case ILLEGAL_REQUEST:
                         if (cmd[0] == ALLOW_MEDIUM_REMOVAL)
@@ -125,7 +118,7 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                 case UNIT_ATTENTION:
                         if (sdev->removable) {
                                 sdev->changed = 1;
-                                sreq->sr_result = 0;    /* This is no longer considered an error */
+                                result = 0;     /* This is no longer considered an error */
                                 break;
                         }
                 default:        /* Fall through for non-removable media */
@@ -135,15 +128,13 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                                sdev->channel,
                                sdev->id,
                                sdev->lun,
-                               sreq->sr_result);
-                        scsi_print_req_sense("   ", sreq);
+                               result);
+                        scsi_print_sense_hdr("   ", &sshdr);
                         break;
                 }
         }
 
-        result = sreq->sr_result;
         SCSI_LOG_IOCTL(2, printk("IOCTL Releasing command\n"));
-        scsi_release_request(sreq);
         return result;
 }
 
@@ -208,8 +199,8 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
 {
         char *buf;
         unsigned char cmd[MAX_COMMAND_SIZE];
+        unsigned char sense[SCSI_SENSE_BUFFERSIZE];
         char __user *cmd_in;
-        struct scsi_request *sreq;
         unsigned char opcode;
         unsigned int inlen, outlen, cmdlen;
         unsigned int needed, buf_needed;
@@ -321,31 +312,23 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
                 break;
         }
 
-        sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        if (!sreq) {
-                result = -EINTR;
-                goto error;
-        }
-
-        sreq->sr_data_direction = data_direction;
-        scsi_wait_req(sreq, cmd, buf, needed, timeout, retries);
+        result = scsi_execute(sdev, cmd, data_direction, buf, needed,
+                              sense, timeout, retries, 0);
 
         /* 
          * If there was an error condition, pass the info back to the user. 
          */
-        result = sreq->sr_result;
         if (result) {
-                int sb_len = sizeof(sreq->sr_sense_buffer);
+                int sb_len = sizeof(*sense);
 
                 sb_len = (sb_len > OMAX_SB_LEN) ? OMAX_SB_LEN : sb_len;
-                if (copy_to_user(cmd_in, sreq->sr_sense_buffer, sb_len))
+                if (copy_to_user(cmd_in, sense, sb_len))
                         result = -EFAULT;
         } else {
                 if (copy_to_user(cmd_in, buf, outlen))
                         result = -EFAULT;
         }       
 
-        scsi_release_request(sreq);
 error:
         kfree(buf);
         return result;
@@ -475,8 +458,7 @@ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
          * error processing, as long as the device was opened
          * non-blocking */
         if (filp && filp->f_flags & O_NONBLOCK) {
-                if (test_bit(SHOST_RECOVERY,
-                             &sdev->host->shost_state))
+                if (sdev->host->shost_state == SHOST_RECOVERY)
                         return -ENODEV;
         } else if (!scsi_block_when_processing_errors(sdev))
                 return -ENODEV;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 7a91ca3d32a6..77f2d444f7e0 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -232,23 +232,6 @@ void scsi_do_req(struct scsi_request *sreq, const void *cmnd,
 }
 EXPORT_SYMBOL(scsi_do_req);
 
-static void scsi_wait_done(struct scsi_cmnd *cmd)
-{
-        struct request *req = cmd->request;
-        struct request_queue *q = cmd->device->request_queue;
-        unsigned long flags;
-
-        req->rq_status = RQ_SCSI_DONE;  /* Busy, but indicate request done */
-
-        spin_lock_irqsave(q->queue_lock, flags);
-        if (blk_rq_tagged(req))
-                blk_queue_end_tag(q, req);
-        spin_unlock_irqrestore(q->queue_lock, flags);
-
-        if (req->waiting)
-                complete(req->waiting);
-}
-
 /* This is the end routine we get to if a command was never attached
  * to the request.  Simply complete the request without changing
  * rq_status; this will cause a DRIVER_ERROR. */
@@ -263,21 +246,114 @@ void scsi_wait_req(struct scsi_request *sreq, const void *cmnd, void *buffer,
                    unsigned bufflen, int timeout, int retries)
 {
         DECLARE_COMPLETION(wait);
-        
-        sreq->sr_request->waiting = &wait;
-        sreq->sr_request->rq_status = RQ_SCSI_BUSY;
-        sreq->sr_request->end_io = scsi_wait_req_end_io;
-        scsi_do_req(sreq, cmnd, buffer, bufflen, scsi_wait_done,
-                        timeout, retries);
+        int write = (sreq->sr_data_direction == DMA_TO_DEVICE);
+        struct request *req;
+
+        req = blk_get_request(sreq->sr_device->request_queue, write,
+                              __GFP_WAIT);
+        if (bufflen && blk_rq_map_kern(sreq->sr_device->request_queue, req,
+                                       buffer, bufflen, __GFP_WAIT)) {
+                sreq->sr_result = DRIVER_ERROR << 24;
+                blk_put_request(req);
+                return;
+        }
+
+        req->flags |= REQ_NOMERGE;
+        req->waiting = &wait;
+        req->end_io = scsi_wait_req_end_io;
+        req->cmd_len = COMMAND_SIZE(((u8 *)cmnd)[0]);
+        req->sense = sreq->sr_sense_buffer;
+        req->sense_len = 0;
+        memcpy(req->cmd, cmnd, req->cmd_len);
+        req->timeout = timeout;
+        req->flags |= REQ_BLOCK_PC;
+        req->rq_disk = NULL;
+        blk_insert_request(sreq->sr_device->request_queue, req,
+                           sreq->sr_data_direction == DMA_TO_DEVICE, NULL);
         wait_for_completion(&wait);
         sreq->sr_request->waiting = NULL;
-        if (sreq->sr_request->rq_status != RQ_SCSI_DONE)
+        sreq->sr_result = req->errors;
+        if (req->errors)
                 sreq->sr_result |= (DRIVER_ERROR << 24);
 
-        __scsi_release_request(sreq);
+        blk_put_request(req);
 }
+
 EXPORT_SYMBOL(scsi_wait_req);
 
+/**
+ * scsi_execute - insert request and wait for the result
+ * @sdev:       scsi device
+ * @cmd:        scsi command
+ * @data_direction: data direction
+ * @buffer:     data buffer
+ * @bufflen:    len of buffer
+ * @sense:      optional sense buffer
+ * @timeout:    request timeout in seconds
+ * @retries:    number of times to retry request
+ * @flags:      or into request flags;
+ *
+ * returns the req->errors value which is the the scsi_cmnd result
+ * field.
+ **/
+int scsi_execute(struct scsi_device *sdev, const unsigned char *cmd,
+                 int data_direction, void *buffer, unsigned bufflen,
+                 unsigned char *sense, int timeout, int retries, int flags)
+{
+        struct request *req;
+        int write = (data_direction == DMA_TO_DEVICE);
+        int ret = DRIVER_ERROR << 24;
+
+        req = blk_get_request(sdev->request_queue, write, __GFP_WAIT);
+
+        if (bufflen &&  blk_rq_map_kern(sdev->request_queue, req,
+                                        buffer, bufflen, __GFP_WAIT))
+                goto out;
+
+        req->cmd_len = COMMAND_SIZE(cmd[0]);
+        memcpy(req->cmd, cmd, req->cmd_len);
+        req->sense = sense;
+        req->sense_len = 0;
+        req->timeout = timeout;
+        req->flags |= flags | REQ_BLOCK_PC | REQ_SPECIAL | REQ_QUIET;
+
+        /*
+         * head injection *required* here otherwise quiesce won't work
+         */
+        blk_execute_rq(req->q, NULL, req, 1);
+
+        ret = req->errors;
+ out:
+        blk_put_request(req);
+
+        return ret;
+}
+EXPORT_SYMBOL(scsi_execute);
+
+
+int scsi_execute_req(struct scsi_device *sdev, const unsigned char *cmd,
+                     int data_direction, void *buffer, unsigned bufflen,
+                     struct scsi_sense_hdr *sshdr, int timeout, int retries)
+{
+        char *sense = NULL;
+        int result;
+        
+        if (sshdr) {
+                sense = kmalloc(SCSI_SENSE_BUFFERSIZE, GFP_KERNEL);
+                if (!sense)
+                        return DRIVER_ERROR << 24;
+                memset(sense, 0, SCSI_SENSE_BUFFERSIZE);
+        }
+        result = scsi_execute(sdev, cmd, data_direction, buffer, bufflen,
+                                  sense, timeout, retries, 0);
+        if (sshdr)
+                scsi_normalize_sense(sense, SCSI_SENSE_BUFFERSIZE, sshdr);
+
+        kfree(sense);
+        return result;
+}
+EXPORT_SYMBOL(scsi_execute_req);
+
 /*
  * Function:    scsi_init_cmd_errh()
  *
@@ -348,7 +424,7 @@ void scsi_device_unbusy(struct scsi_device *sdev)
 
         spin_lock_irqsave(shost->host_lock, flags);
         shost->host_busy--;
-        if (unlikely(test_bit(SHOST_RECOVERY, &shost->shost_state) &&
+        if (unlikely((shost->shost_state == SHOST_RECOVERY) &&
                      shost->host_failed))
                 scsi_eh_wakeup(shost);
         spin_unlock(shost->host_lock);
@@ -851,17 +927,20 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
                                 scsi_requeue_command(q, cmd);
                                 return;
                         }
-                        printk(KERN_INFO "Device %s not ready.\n",
-                               req->rq_disk ? req->rq_disk->disk_name : "");
+                        if (!(req->flags & REQ_QUIET))
+                                dev_printk(KERN_INFO,
+                                           &cmd->device->sdev_gendev,
+                                           "Device not ready.\n");
                         cmd = scsi_end_request(cmd, 0, this_count, 1);
                         return;
                 case VOLUME_OVERFLOW:
-                        printk(KERN_INFO "Volume overflow <%d %d %d %d> CDB: ",
-                               cmd->device->host->host_no,
-                               (int)cmd->device->channel,
-                               (int)cmd->device->id, (int)cmd->device->lun);
-                        __scsi_print_command(cmd->data_cmnd);
-                        scsi_print_sense("", cmd);
+                        if (!(req->flags & REQ_QUIET)) {
+                                dev_printk(KERN_INFO,
+                                           &cmd->device->sdev_gendev,
+                                           "Volume overflow, CDB: ");
+                                __scsi_print_command(cmd->data_cmnd);
+                                scsi_print_sense("", cmd);
+                        }
                         cmd = scsi_end_request(cmd, 0, block_bytes, 1);
                         return;
                 default:
@@ -878,14 +957,13 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes,
                 return;
         }
         if (result) {
-                printk(KERN_INFO "SCSI error : <%d %d %d %d> return code "
-                       "= 0x%x\n", cmd->device->host->host_no,
-                       cmd->device->channel,
-                       cmd->device->id,
-                       cmd->device->lun, result);
-
-                if (driver_byte(result) & DRIVER_SENSE)
-                        scsi_print_sense("", cmd);
+                if (!(req->flags & REQ_QUIET)) {
+                        dev_printk(KERN_INFO, &cmd->device->sdev_gendev,
+                                   "SCSI error: return code = 0x%x\n", result);
+
+                        if (driver_byte(result) & DRIVER_SENSE)
+                                scsi_print_sense("", cmd);
+                }
                 /*
                  * Mark a single buffer as not uptodate.  Queue the remainder.
                  * We sometimes get this cruft in the event that a medium error
@@ -1020,6 +1098,12 @@ static int scsi_issue_flush_fn(request_queue_t *q, struct gendisk *disk,
         return -EOPNOTSUPP;
 }
 
+static void scsi_generic_done(struct scsi_cmnd *cmd)
+{
+        BUG_ON(!blk_pc_request(cmd->request));
+        scsi_io_completion(cmd, cmd->result == 0 ? cmd->bufflen : 0, 0);
+}
+
 static int scsi_prep_fn(struct request_queue *q, struct request *req)
 {
         struct scsi_device *sdev = q->queuedata;
@@ -1061,7 +1145,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
          * these two cases differently.  We differentiate by looking
          * at request->cmd, as this tells us the real story.
          */
-        if (req->flags & REQ_SPECIAL) {
+        if (req->flags & REQ_SPECIAL && req->special) {
                 struct scsi_request *sreq = req->special;
 
                 if (sreq->sr_magic == SCSI_REQ_MAGIC) {
@@ -1073,7 +1157,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
                         cmd = req->special;
         } else if (req->flags & (REQ_CMD | REQ_BLOCK_PC)) {
 
-                if(unlikely(specials_only)) {
+                if(unlikely(specials_only) && !(req->flags & REQ_SPECIAL)) {
                         if(specials_only == SDEV_QUIESCE ||
                                         specials_only == SDEV_BLOCK)
                                 return BLKPREP_DEFER;
@@ -1142,11 +1226,26 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
                 /*
                  * Initialize the actual SCSI command for this request.
                  */
-                drv = *(struct scsi_driver **)req->rq_disk->private_data;
-                if (unlikely(!drv->init_command(cmd))) {
-                        scsi_release_buffers(cmd);
-                        scsi_put_command(cmd);
-                        return BLKPREP_KILL;
+                if (req->rq_disk) {
+                        drv = *(struct scsi_driver **)req->rq_disk->private_data;
+                        if (unlikely(!drv->init_command(cmd))) {
+                                scsi_release_buffers(cmd);
+                                scsi_put_command(cmd);
+                                return BLKPREP_KILL;
+                        }
+                } else {
+                        memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
+                        if (rq_data_dir(req) == WRITE)
+                                cmd->sc_data_direction = DMA_TO_DEVICE;
+                        else if (req->data_len)
+                                cmd->sc_data_direction = DMA_FROM_DEVICE;
+                        else
+                                cmd->sc_data_direction = DMA_NONE;
+                        
+                        cmd->transfersize = req->data_len;
+                        cmd->allowed = 3;
+                        cmd->timeout_per_command = req->timeout;
+                        cmd->done = scsi_generic_done;
                 }
         }
 
@@ -1207,7 +1306,7 @@ static inline int scsi_host_queue_ready(struct request_queue *q,
                                    struct Scsi_Host *shost,
                                    struct scsi_device *sdev)
 {
-        if (test_bit(SHOST_RECOVERY, &shost->shost_state))
+        if (shost->shost_state == SHOST_RECOVERY)
                 return 0;
         if (shost->host_busy == 0 && shost->host_blocked) {
                 /*
@@ -1539,9 +1638,9 @@ void scsi_exit_queue(void)
         }
 }
 /**
- *      __scsi_mode_sense - issue a mode sense, falling back from 10 to 
+ *      scsi_mode_sense - issue a mode sense, falling back from 10 to 
  *              six bytes if necessary.
- *      @sreq:  SCSI request to fill in with the MODE_SENSE
+ *      @sdev:  SCSI device to be queried
  *      @dbd:   set if mode sense will allow block descriptors to be returned
  *      @modepage: mode page being requested
  *      @buffer: request buffer (may not be smaller than eight bytes)
@@ -1549,26 +1648,34 @@ void scsi_exit_queue(void)
  *      @timeout: command timeout
  *      @retries: number of retries before failing
  *      @data: returns a structure abstracting the mode header data
+ *      @sense: place to put sense data (or NULL if no sense to be collected).
+ *              must be SCSI_SENSE_BUFFERSIZE big.
  *
  *      Returns zero if unsuccessful, or the header offset (either 4
  *      or 8 depending on whether a six or ten byte command was
  *      issued) if successful.
  **/
 int
-__scsi_mode_sense(struct scsi_request *sreq, int dbd, int modepage,
+scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
                   unsigned char *buffer, int len, int timeout, int retries,
-                  struct scsi_mode_data *data) {
+                  struct scsi_mode_data *data, struct scsi_sense_hdr *sshdr) {
         unsigned char cmd[12];
         int use_10_for_ms;
         int header_length;
+        int result;
+        struct scsi_sense_hdr my_sshdr;
 
         memset(data, 0, sizeof(*data));
         memset(&cmd[0], 0, 12);
         cmd[1] = dbd & 0x18;    /* allows DBD and LLBA bits */
         cmd[2] = modepage;
 
+        /* caller might not be interested in sense, but we need it */
+        if (!sshdr)
+                sshdr = &my_sshdr;
+
  retry:
-        use_10_for_ms = sreq->sr_device->use_10_for_ms;
+        use_10_for_ms = sdev->use_10_for_ms;
 
         if (use_10_for_ms) {
                 if (len < 8)
@@ -1586,36 +1693,31 @@ __scsi_mode_sense(struct scsi_request *sreq, int dbd, int modepage,
                 header_length = 4;
         }
 
-        sreq->sr_cmd_len = 0;
-        memset(sreq->sr_sense_buffer, 0, sizeof(sreq->sr_sense_buffer));
-        sreq->sr_data_direction = DMA_FROM_DEVICE;
-
         memset(buffer, 0, len);
 
-        scsi_wait_req(sreq, cmd, buffer, len, timeout, retries);
+        result = scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buffer, len,
+                                  sshdr, timeout, retries);
 
         /* This code looks awful: what it's doing is making sure an
          * ILLEGAL REQUEST sense return identifies the actual command
          * byte as the problem.  MODE_SENSE commands can return
          * ILLEGAL REQUEST if the code page isn't supported */
 
-        if (use_10_for_ms && !scsi_status_is_good(sreq->sr_result) &&
-            (driver_byte(sreq->sr_result) & DRIVER_SENSE)) {
-                struct scsi_sense_hdr sshdr;
-
-                if (scsi_request_normalize_sense(sreq, &sshdr)) {
-                        if ((sshdr.sense_key == ILLEGAL_REQUEST) &&
-                            (sshdr.asc == 0x20) && (sshdr.ascq == 0)) {
+        if (use_10_for_ms && !scsi_status_is_good(result) &&
+            (driver_byte(result) & DRIVER_SENSE)) {
+                if (scsi_sense_valid(sshdr)) {
+                        if ((sshdr->sense_key == ILLEGAL_REQUEST) &&
+                            (sshdr->asc == 0x20) && (sshdr->ascq == 0)) {
                                 /* 
                                  * Invalid command operation code
                                  */
-                                sreq->sr_device->use_10_for_ms = 0;
+                                sdev->use_10_for_ms = 0;
                                 goto retry;
                         }
                 }
         }
 
-        if(scsi_status_is_good(sreq->sr_result)) {
+        if(scsi_status_is_good(result)) {
                 data->header_length = header_length;
                 if(use_10_for_ms) {
                         data->length = buffer[0]*256 + buffer[1] + 2;
@@ -1632,73 +1734,31 @@ __scsi_mode_sense(struct scsi_request *sreq, int dbd, int modepage,
                 }
         }
 
-        return sreq->sr_result;
-}
-EXPORT_SYMBOL(__scsi_mode_sense);
-
-/**
- *      scsi_mode_sense - issue a mode sense, falling back from 10 to 
- *              six bytes if necessary.
- *      @sdev:  scsi device to send command to.
- *      @dbd:   set if mode sense will disable block descriptors in the return
- *      @modepage: mode page being requested
- *      @buffer: request buffer (may not be smaller than eight bytes)
- *      @len:   length of request buffer.
- *      @timeout: command timeout
- *      @retries: number of retries before failing
- *
- *      Returns zero if unsuccessful, or the header offset (either 4
- *      or 8 depending on whether a six or ten byte command was
- *      issued) if successful.
- **/
-int
-scsi_mode_sense(struct scsi_device *sdev, int dbd, int modepage,
-                unsigned char *buffer, int len, int timeout, int retries,
-                struct scsi_mode_data *data)
-{
-        struct scsi_request *sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        int ret;
-
-        if (!sreq)
-                return -1;
-
-        ret = __scsi_mode_sense(sreq, dbd, modepage, buffer, len,
-                                timeout, retries, data);
-
-        scsi_release_request(sreq);
-
-        return ret;
+        return result;
 }
 EXPORT_SYMBOL(scsi_mode_sense);
 
 int
 scsi_test_unit_ready(struct scsi_device *sdev, int timeout, int retries)
 {
-        struct scsi_request *sreq;
         char cmd[] = {
                 TEST_UNIT_READY, 0, 0, 0, 0, 0,
         };
+        struct scsi_sense_hdr sshdr;
         int result;
         
-        sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        if (!sreq)
-                return -ENOMEM;
-
-        sreq->sr_data_direction = DMA_NONE;
-        scsi_wait_req(sreq, cmd, NULL, 0, timeout, retries);
+        result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0, &sshdr,
+                                  timeout, retries);
 
-        if ((driver_byte(sreq->sr_result) & DRIVER_SENSE) && sdev->removable) {
-                struct scsi_sense_hdr sshdr;
+        if ((driver_byte(result) & DRIVER_SENSE) && sdev->removable) {
 
-                if ((scsi_request_normalize_sense(sreq, &sshdr)) &&
+                if ((scsi_sense_valid(&sshdr)) &&
                     ((sshdr.sense_key == UNIT_ATTENTION) ||
                      (sshdr.sense_key == NOT_READY))) {
                         sdev->changed = 1;
-                        sreq->sr_result = 0;
+                        result = 0;
                 }
         }
-        result = sreq->sr_result;
-        scsi_release_request(sreq);
         return result;
 }
 EXPORT_SYMBOL(scsi_test_unit_ready);
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index d30d7f4e63ec..ee6de1768e53 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -63,6 +63,9 @@ extern int __init scsi_init_devinfo(void);
 extern void scsi_exit_devinfo(void);
 
 /* scsi_error.c */
+extern void scsi_add_timer(struct scsi_cmnd *, int,
+                void (*)(struct scsi_cmnd *));
+extern int scsi_delete_timer(struct scsi_cmnd *);
 extern void scsi_times_out(struct scsi_cmnd *cmd);
 extern int scsi_error_handler(void *host);
 extern int scsi_decide_disposition(struct scsi_cmnd *cmd);
diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c
index 48edd67982a5..19c9a232a754 100644
--- a/drivers/scsi/scsi_scan.c
+++ b/drivers/scsi/scsi_scan.c
@@ -111,15 +111,14 @@ MODULE_PARM_DESC(inq_timeout,
 
 /**
  * scsi_unlock_floptical - unlock device via a special MODE SENSE command
- * @sreq:       used to send the command
+ * @sdev:       scsi device to send command to
  * @result:     area to store the result of the MODE SENSE
  *
  * Description:
- *     Send a vendor specific MODE SENSE (not a MODE SELECT) command using
- *     @sreq to unlock a device, storing the (unused) results into result.
+ *     Send a vendor specific MODE SENSE (not a MODE SELECT) command.
  *     Called for BLIST_KEY devices.
  **/
-static void scsi_unlock_floptical(struct scsi_request *sreq,
+static void scsi_unlock_floptical(struct scsi_device *sdev,
                                   unsigned char *result)
 {
         unsigned char scsi_cmd[MAX_COMMAND_SIZE];
@@ -129,11 +128,10 @@ static void scsi_unlock_floptical(struct scsi_request *sreq,
         scsi_cmd[1] = 0;
         scsi_cmd[2] = 0x2e;
         scsi_cmd[3] = 0;
-        scsi_cmd[4] = 0x2a;     /* size */
+        scsi_cmd[4] = 0x2a;     /* size */
         scsi_cmd[5] = 0;
-        sreq->sr_cmd_len = 0;
-        sreq->sr_data_direction = DMA_FROM_DEVICE;
-        scsi_wait_req(sreq, scsi_cmd, result, 0x2a /* size */, SCSI_TIMEOUT, 3);
+        scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE, result, 0x2a, NULL,
+                         SCSI_TIMEOUT, 3);
 }
 
 /**
@@ -433,26 +431,25 @@ void scsi_target_reap(struct scsi_target *starget)
 
 /**
  * scsi_probe_lun - probe a single LUN using a SCSI INQUIRY
- * @sreq:       used to send the INQUIRY
+ * @sdev:       scsi_device to probe
  * @inq_result: area to store the INQUIRY result
+ * @result_len: len of inq_result
  * @bflags:     store any bflags found here
  *
  * Description:
- *     Probe the lun associated with @sreq using a standard SCSI INQUIRY;
+ *     Probe the lun associated with @req using a standard SCSI INQUIRY;
  *
- *     If the INQUIRY is successful, sreq->sr_result is zero and: the
+ *     If the INQUIRY is successful, zero is returned and the
  *     INQUIRY data is in @inq_result; the scsi_level and INQUIRY length
- *     are copied to the Scsi_Device at @sreq->sr_device (sdev);
- *     any flags value is stored in *@bflags.
+ *     are copied to the Scsi_Device any flags value is stored in *@bflags.
  **/
-static void scsi_probe_lun(struct scsi_request *sreq, char *inq_result,
-                           int *bflags)
+static int scsi_probe_lun(struct scsi_device *sdev, char *inq_result,
+                          int result_len, int *bflags)
 {
-        struct scsi_device *sdev = sreq->sr_device;     /* a bit ugly */
         unsigned char scsi_cmd[MAX_COMMAND_SIZE];
         int first_inquiry_len, try_inquiry_len, next_inquiry_len;
         int response_len = 0;
-        int pass, count;
+        int pass, count, result;
         struct scsi_sense_hdr sshdr;
 
         *bflags = 0;
@@ -475,28 +472,26 @@ static void scsi_probe_lun(struct scsi_request *sreq, char *inq_result,
                 memset(scsi_cmd, 0, 6);
                 scsi_cmd[0] = INQUIRY;
                 scsi_cmd[4] = (unsigned char) try_inquiry_len;
-                sreq->sr_cmd_len = 0;
-                sreq->sr_data_direction = DMA_FROM_DEVICE;
 
                 memset(inq_result, 0, try_inquiry_len);
-                scsi_wait_req(sreq, (void *) scsi_cmd, (void *) inq_result,
-                                try_inquiry_len,
-                                HZ/2 + HZ*scsi_inq_timeout, 3);
+
+                result = scsi_execute_req(sdev,  scsi_cmd, DMA_FROM_DEVICE,
+                                          inq_result, try_inquiry_len, &sshdr,
+                                          HZ / 2 + HZ * scsi_inq_timeout, 3);
 
                 SCSI_LOG_SCAN_BUS(3, printk(KERN_INFO "scsi scan: INQUIRY %s "
                                 "with code 0x%x\n",
-                                sreq->sr_result ? "failed" : "successful",
-                                sreq->sr_result));
+                                result ? "failed" : "successful", result));
 
-                if (sreq->sr_result) {
+                if (result) {
                         /*
                          * not-ready to ready transition [asc/ascq=0x28/0x0]
                          * or power-on, reset [asc/ascq=0x29/0x0], continue.
                          * INQUIRY should not yield UNIT_ATTENTION
                          * but many buggy devices do so anyway. 
                          */
-                        if ((driver_byte(sreq->sr_result) & DRIVER_SENSE) &&
-                            scsi_request_normalize_sense(sreq, &sshdr)) {
+                        if ((driver_byte(result) & DRIVER_SENSE) &&
+                            scsi_sense_valid(&sshdr)) {
                                 if ((sshdr.sense_key == UNIT_ATTENTION) &&
                                     ((sshdr.asc == 0x28) ||
                                      (sshdr.asc == 0x29)) &&
@@ -507,7 +502,7 @@ static void scsi_probe_lun(struct scsi_request *sreq, char *inq_result,
                 break;
         }
 
-        if (sreq->sr_result == 0) {
+        if (result == 0) {
                 response_len = (unsigned char) inq_result[4] + 5;
                 if (response_len > 255)
                         response_len = first_inquiry_len;       /* sanity */
@@ -556,8 +551,8 @@ static void scsi_probe_lun(struct scsi_request *sreq, char *inq_result,
 
         /* If the last transfer attempt got an error, assume the
          * peripheral doesn't exist or is dead. */
-        if (sreq->sr_result)
-                return;
+        if (result)
+                return -EIO;
 
         /* Don't report any more data than the device says is valid */
         sdev->inquiry_len = min(try_inquiry_len, response_len);
@@ -593,7 +588,7 @@ static void scsi_probe_lun(struct scsi_request *sreq, char *inq_result,
             (sdev->scsi_level == 1 && (inq_result[3] & 0x0f) == 1))
                 sdev->scsi_level++;
 
-        return;
+        return 0;
 }
 
 /**
@@ -800,9 +795,8 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
                                   void *hostdata)
 {
         struct scsi_device *sdev;
-        struct scsi_request *sreq;
         unsigned char *result;
-        int bflags, res = SCSI_SCAN_NO_RESPONSE;
+        int bflags, res = SCSI_SCAN_NO_RESPONSE, result_len = 256;
         struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
 
         /*
@@ -831,16 +825,13 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
         sdev = scsi_alloc_sdev(starget, lun, hostdata);
         if (!sdev)
                 goto out;
-        sreq = scsi_allocate_request(sdev, GFP_ATOMIC);
-        if (!sreq)
-                goto out_free_sdev;
-        result = kmalloc(256, GFP_ATOMIC |
+
+        result = kmalloc(result_len, GFP_ATOMIC |
                         ((shost->unchecked_isa_dma) ? __GFP_DMA : 0));
         if (!result)
-                goto out_free_sreq;
+                goto out_free_sdev;
 
-        scsi_probe_lun(sreq, result, &bflags);
-        if (sreq->sr_result)
+        if (scsi_probe_lun(sdev, result, result_len, &bflags))
                 goto out_free_result;
 
         /*
@@ -868,7 +859,7 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
         if (res == SCSI_SCAN_LUN_PRESENT) {
                 if (bflags & BLIST_KEY) {
                         sdev->lockable = 0;
-                        scsi_unlock_floptical(sreq, result);
+                        scsi_unlock_floptical(sdev, result);
                 }
                 if (bflagsp)
                         *bflagsp = bflags;
@@ -876,8 +867,6 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
 
  out_free_result:
         kfree(result);
- out_free_sreq:
-        scsi_release_request(sreq);
  out_free_sdev:
         if (res == SCSI_SCAN_LUN_PRESENT) {
                 if (sdevp) {
@@ -1070,8 +1059,8 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
         unsigned int lun;
         unsigned int num_luns;
         unsigned int retries;
+        int result;
         struct scsi_lun *lunp, *lun_data;
-        struct scsi_request *sreq;
         u8 *data;
         struct scsi_sense_hdr sshdr;
         struct scsi_target *starget = scsi_target(sdev);
@@ -1089,10 +1078,6 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
         if (bflags & BLIST_NOLUN)
                 return 0;
 
-        sreq = scsi_allocate_request(sdev, GFP_ATOMIC);
-        if (!sreq)
-                goto out;
-
         sprintf(devname, "host %d channel %d id %d",
                 sdev->host->host_no, sdev->channel, sdev->id);
 
@@ -1110,7 +1095,7 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
         lun_data = kmalloc(length, GFP_ATOMIC |
                            (sdev->host->unchecked_isa_dma ? __GFP_DMA : 0));
         if (!lun_data)
-                goto out_release_request;
+                goto out;
 
         scsi_cmd[0] = REPORT_LUNS;
 
@@ -1129,8 +1114,6 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
 
         scsi_cmd[10] = 0;       /* reserved */
         scsi_cmd[11] = 0;       /* control */
-        sreq->sr_cmd_len = 0;
-        sreq->sr_data_direction = DMA_FROM_DEVICE;
 
         /*
          * We can get a UNIT ATTENTION, for example a power on/reset, so
@@ -1146,29 +1129,29 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
                 SCSI_LOG_SCAN_BUS(3, printk (KERN_INFO "scsi scan: Sending"
                                 " REPORT LUNS to %s (try %d)\n", devname,
                                 retries));
-                scsi_wait_req(sreq, scsi_cmd, lun_data, length,
-                                SCSI_TIMEOUT + 4*HZ, 3);
+
+                result = scsi_execute_req(sdev, scsi_cmd, DMA_FROM_DEVICE,
+                                          lun_data, length, &sshdr,
+                                          SCSI_TIMEOUT + 4 * HZ, 3);
+
                 SCSI_LOG_SCAN_BUS(3, printk (KERN_INFO "scsi scan: REPORT LUNS"
-                                " %s (try %d) result 0x%x\n", sreq->sr_result
-                                ?  "failed" : "successful", retries,
-                                sreq->sr_result));
-                if (sreq->sr_result == 0)
+                                " %s (try %d) result 0x%x\n", result
+                                ?  "failed" : "successful", retries, result));
+                if (result == 0)
                         break;
-                else if (scsi_request_normalize_sense(sreq, &sshdr)) {
+                else if (scsi_sense_valid(&sshdr)) {
                         if (sshdr.sense_key != UNIT_ATTENTION)
                                 break;
                 }
         }
 
-        if (sreq->sr_result) {
+        if (result) {
                 /*
                  * The device probably does not support a REPORT LUN command
                  */
                 kfree(lun_data);
-                scsi_release_request(sreq);
                 return 1;
         }
-        scsi_release_request(sreq);
 
         /*
          * Get the length from the first four bytes of lun_data.
@@ -1242,8 +1225,6 @@ static int scsi_report_lun_scan(struct scsi_device *sdev, int bflags,
         kfree(lun_data);
         return 0;
 
- out_release_request:
-        scsi_release_request(sreq);
  out:
         /*
          * We are out of memory, don't try scanning any further.
@@ -1265,9 +1246,12 @@ struct scsi_device *__scsi_add_device(struct Scsi_Host *shost, uint channel,
 
         get_device(&starget->dev);
         down(&shost->scan_mutex);
-        res = scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1, hostdata);
-        if (res != SCSI_SCAN_LUN_PRESENT)
-                sdev = ERR_PTR(-ENODEV);
+        if (scsi_host_scan_allowed(shost)) {
+                res = scsi_probe_and_add_lun(starget, lun, NULL, &sdev, 1,
+                                             hostdata);
+                if (res != SCSI_SCAN_LUN_PRESENT)
+                        sdev = ERR_PTR(-ENODEV);
+        }
         up(&shost->scan_mutex);
         scsi_target_reap(starget);
         put_device(&starget->dev);
@@ -1417,11 +1401,15 @@ int scsi_scan_host_selected(struct Scsi_Host *shost, unsigned int channel,
                 return -EINVAL;
 
         down(&shost->scan_mutex);
-        if (channel == SCAN_WILD_CARD) 
-                for (channel = 0; channel <= shost->max_channel; channel++)
+        if (scsi_host_scan_allowed(shost)) {
+                if (channel == SCAN_WILD_CARD)
+                        for (channel = 0; channel <= shost->max_channel;
+                             channel++)
+                                scsi_scan_channel(shost, channel, id, lun,
+                                                  rescan);
+                else
                         scsi_scan_channel(shost, channel, id, lun, rescan);
-        else
-                scsi_scan_channel(shost, channel, id, lun, rescan);
+        }
         up(&shost->scan_mutex);
 
         return 0;
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index beed7fbe1cbe..dae59d1da07a 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -48,6 +48,30 @@ const char *scsi_device_state_name(enum scsi_device_state state)
         return name;
 }
 
+static struct {
+        enum scsi_host_state    value;
+        char                    *name;
+} shost_states[] = {
+        { SHOST_CREATED, "created" },
+        { SHOST_RUNNING, "running" },
+        { SHOST_CANCEL, "cancel" },
+        { SHOST_DEL, "deleted" },
+        { SHOST_RECOVERY, "recovery" },
+};
+const char *scsi_host_state_name(enum scsi_host_state state)
+{
+        int i;
+        char *name = NULL;
+
+        for (i = 0; i < sizeof(shost_states)/sizeof(shost_states[0]); i++) {
+                if (shost_states[i].value == state) {
+                        name = shost_states[i].name;
+                        break;
+                }
+        }
+        return name;
+}
+
 static int check_set(unsigned int *val, char *src)
 {
         char *last;
@@ -124,6 +148,43 @@ static ssize_t store_scan(struct class_device *class_dev, const char *buf,
 };
 static CLASS_DEVICE_ATTR(scan, S_IWUSR, NULL, store_scan);
 
+static ssize_t
+store_shost_state(struct class_device *class_dev, const char *buf, size_t count)
+{
+        int i;
+        struct Scsi_Host *shost = class_to_shost(class_dev);
+        enum scsi_host_state state = 0;
+
+        for (i = 0; i < sizeof(shost_states)/sizeof(shost_states[0]); i++) {
+                const int len = strlen(shost_states[i].name);
+                if (strncmp(shost_states[i].name, buf, len) == 0 &&
+                   buf[len] == '\n') {
+                        state = shost_states[i].value;
+                        break;
+                }
+        }
+        if (!state)
+                return -EINVAL;
+
+        if (scsi_host_set_state(shost, state))
+                return -EINVAL;
+        return count;
+}
+
+static ssize_t
+show_shost_state(struct class_device *class_dev, char *buf)
+{
+        struct Scsi_Host *shost = class_to_shost(class_dev);
+        const char *name = scsi_host_state_name(shost->shost_state);
+
+        if (!name)
+                return -EINVAL;
+
+        return snprintf(buf, 20, "%s\n", name);
+}
+
+static CLASS_DEVICE_ATTR(state, S_IRUGO | S_IWUSR, show_shost_state, store_shost_state);
+
 shost_rd_attr(unique_id, "%u\n");
 shost_rd_attr(host_busy, "%hu\n");
 shost_rd_attr(cmd_per_lun, "%hd\n");
@@ -139,6 +200,7 @@ static struct class_device_attribute *scsi_sysfs_shost_attrs[] = {
         &class_device_attr_unchecked_isa_dma,
         &class_device_attr_proc_name,
         &class_device_attr_scan,
+        &class_device_attr_state,
         NULL
 };
 
diff --git a/drivers/scsi/scsi_transport_fc.c b/drivers/scsi/scsi_transport_fc.c
index e6412fce423c..2cab556b6e82 100644
--- a/drivers/scsi/scsi_transport_fc.c
+++ b/drivers/scsi/scsi_transport_fc.c
@@ -252,7 +252,8 @@ struct fc_internal {
 
 #define to_fc_internal(tmpl)    container_of(tmpl, struct fc_internal, t)
 
-static int fc_target_setup(struct device *dev)
+static int fc_target_setup(struct transport_container *tc, struct device *dev,
+                           struct class_device *cdev)
 {
         struct scsi_target *starget = to_scsi_target(dev);
         struct fc_rport *rport = starget_to_rport(starget);
@@ -281,7 +282,8 @@ static DECLARE_TRANSPORT_CLASS(fc_transport_class,
                                NULL,
                                NULL);
 
-static int fc_host_setup(struct device *dev)
+static int fc_host_setup(struct transport_container *tc, struct device *dev,
+                         struct class_device *cdev)
 {
         struct Scsi_Host *shost = dev_to_shost(dev);
 
diff --git a/drivers/scsi/scsi_transport_spi.c b/drivers/scsi/scsi_transport_spi.c
index 7670919a087a..ef577c8c2182 100644
--- a/drivers/scsi/scsi_transport_spi.c
+++ b/drivers/scsi/scsi_transport_spi.c
@@ -28,14 +28,14 @@
 #include "scsi_priv.h"
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_host.h>
-#include <scsi/scsi_request.h>
+#include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_transport.h>
 #include <scsi/scsi_transport_spi.h>
 
 #define SPI_PRINTK(x, l, f, a...)       dev_printk(l, &(x)->dev, f , ##a)
 
-#define SPI_NUM_ATTRS 13        /* increase this if you add attributes */
+#define SPI_NUM_ATTRS 14        /* increase this if you add attributes */
 #define SPI_OTHER_ATTRS 1       /* Increase this if you add "always
                                  * on" attributes */
 #define SPI_HOST_ATTRS  1
@@ -106,27 +106,31 @@ static int sprint_frac(char *dest, int value, int denom)
         return result;
 }
 
-/* Modification of scsi_wait_req that will clear UNIT ATTENTION conditions
- * resulting from (likely) bus and device resets */
-static void spi_wait_req(struct scsi_request *sreq, const void *cmd,
-                         void *buffer, unsigned bufflen)
+static int spi_execute(struct scsi_device *sdev, const void *cmd,
+                       enum dma_data_direction dir,
+                       void *buffer, unsigned bufflen,
+                       struct scsi_sense_hdr *sshdr)
 {
-        int i;
+        int i, result;
+        unsigned char sense[SCSI_SENSE_BUFFERSIZE];
 
         for(i = 0; i < DV_RETRIES; i++) {
-                sreq->sr_request->flags |= REQ_FAILFAST;
-
-                scsi_wait_req(sreq, cmd, buffer, bufflen,
-                              DV_TIMEOUT, /* retries */ 1);
-                if (sreq->sr_result & DRIVER_SENSE) {
-                        struct scsi_sense_hdr sshdr;
-
-                        if (scsi_request_normalize_sense(sreq, &sshdr)
-                            && sshdr.sense_key == UNIT_ATTENTION)
+                result = scsi_execute(sdev, cmd, dir, buffer, bufflen,
+                                      sense, DV_TIMEOUT, /* retries */ 1,
+                                      REQ_FAILFAST);
+                if (result & DRIVER_SENSE) {
+                        struct scsi_sense_hdr sshdr_tmp;
+                        if (!sshdr)
+                                sshdr = &sshdr_tmp;
+
+                        if (scsi_normalize_sense(sense, sizeof(*sense),
+                                                 sshdr)
+                            && sshdr->sense_key == UNIT_ATTENTION)
                                 continue;
                 }
                 break;
         }
+        return result;
 }
 
 static struct {
@@ -162,7 +166,8 @@ static inline enum spi_signal_type spi_signal_to_value(const char *name)
         return SPI_SIGNAL_UNKNOWN;
 }
 
-static int spi_host_setup(struct device *dev)
+static int spi_host_setup(struct transport_container *tc, struct device *dev,
+                          struct class_device *cdev)
 {
         struct Scsi_Host *shost = dev_to_shost(dev);
 
@@ -196,7 +201,9 @@ static int spi_host_match(struct attribute_container *cont,
         return &i->t.host_attrs.ac == cont;
 }
 
-static int spi_device_configure(struct device *dev)
+static int spi_device_configure(struct transport_container *tc,
+                                struct device *dev,
+                                struct class_device *cdev)
 {
         struct scsi_device *sdev = to_scsi_device(dev);
         struct scsi_target *starget = sdev->sdev_target;
@@ -214,7 +221,9 @@ static int spi_device_configure(struct device *dev)
         return 0;
 }
 
-static int spi_setup_transport_attrs(struct device *dev)
+static int spi_setup_transport_attrs(struct transport_container *tc,
+                                     struct device *dev,
+                                     struct class_device *cdev)
 {
         struct scsi_target *starget = to_scsi_target(dev);
 
@@ -231,6 +240,7 @@ static int spi_setup_transport_attrs(struct device *dev)
         spi_rd_strm(starget) = 0;
         spi_rti(starget) = 0;
         spi_pcomp_en(starget) = 0;
+        spi_hold_mcs(starget) = 0;
         spi_dv_pending(starget) = 0;
         spi_initial_dv(starget) = 0;
         init_MUTEX(&spi_dv_sem(starget));
@@ -347,6 +357,7 @@ spi_transport_rd_attr(wr_flow, "%d\n");
 spi_transport_rd_attr(rd_strm, "%d\n");
 spi_transport_rd_attr(rti, "%d\n");
 spi_transport_rd_attr(pcomp_en, "%d\n");
+spi_transport_rd_attr(hold_mcs, "%d\n");
 
 /* we only care about the first child device so we return 1 */
 static int child_iter(struct device *dev, void *data)
@@ -539,13 +550,13 @@ enum spi_compare_returns {
 /* This is for read/write Domain Validation:  If the device supports
  * an echo buffer, we do read/write tests to it */
 static enum spi_compare_returns
-spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
+spi_dv_device_echo_buffer(struct scsi_device *sdev, u8 *buffer,
                           u8 *ptr, const int retries)
 {
-        struct scsi_device *sdev = sreq->sr_device;
         int len = ptr - buffer;
-        int j, k, r;
+        int j, k, r, result;
         unsigned int pattern = 0x0000ffff;
+        struct scsi_sense_hdr sshdr;
 
         const char spi_write_buffer[] = {
                 WRITE_BUFFER, 0x0a, 0, 0, 0, 0, 0, len >> 8, len & 0xff, 0
@@ -590,14 +601,12 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
         }
 
         for (r = 0; r < retries; r++) {
-                sreq->sr_cmd_len = 0;   /* wait_req to fill in */
-                sreq->sr_data_direction = DMA_TO_DEVICE;
-                spi_wait_req(sreq, spi_write_buffer, buffer, len);
-                if(sreq->sr_result || !scsi_device_online(sdev)) {
-                        struct scsi_sense_hdr sshdr;
+                result = spi_execute(sdev, spi_write_buffer, DMA_TO_DEVICE,
+                                     buffer, len, &sshdr);
+                if(result || !scsi_device_online(sdev)) {
 
                         scsi_device_set_state(sdev, SDEV_QUIESCE);
-                        if (scsi_request_normalize_sense(sreq, &sshdr)
+                        if (scsi_sense_valid(&sshdr)
                             && sshdr.sense_key == ILLEGAL_REQUEST
                             /* INVALID FIELD IN CDB */
                             && sshdr.asc == 0x24 && sshdr.ascq == 0x00)
@@ -609,14 +618,13 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
                                 return SPI_COMPARE_SKIP_TEST;
 
 
-                        SPI_PRINTK(sdev->sdev_target, KERN_ERR, "Write Buffer failure %x\n", sreq->sr_result);
+                        SPI_PRINTK(sdev->sdev_target, KERN_ERR, "Write Buffer failure %x\n", result);
                         return SPI_COMPARE_FAILURE;
                 }
 
                 memset(ptr, 0, len);
-                sreq->sr_cmd_len = 0;   /* wait_req to fill in */
-                sreq->sr_data_direction = DMA_FROM_DEVICE;
-                spi_wait_req(sreq, spi_read_buffer, ptr, len);
+                spi_execute(sdev, spi_read_buffer, DMA_FROM_DEVICE,
+                            ptr, len, NULL);
                 scsi_device_set_state(sdev, SDEV_QUIESCE);
 
                 if (memcmp(buffer, ptr, len) != 0)
@@ -628,25 +636,22 @@ spi_dv_device_echo_buffer(struct scsi_request *sreq, u8 *buffer,
 /* This is for the simplest form of Domain Validation: a read test
  * on the inquiry data from the device */
 static enum spi_compare_returns
-spi_dv_device_compare_inquiry(struct scsi_request *sreq, u8 *buffer,
+spi_dv_device_compare_inquiry(struct scsi_device *sdev, u8 *buffer,
                               u8 *ptr, const int retries)
 {
-        int r;
-        const int len = sreq->sr_device->inquiry_len;
-        struct scsi_device *sdev = sreq->sr_device;
+        int r, result;
+        const int len = sdev->inquiry_len;
         const char spi_inquiry[] = {
                 INQUIRY, 0, 0, 0, len, 0
         };
 
         for (r = 0; r < retries; r++) {
-                sreq->sr_cmd_len = 0;   /* wait_req to fill in */
-                sreq->sr_data_direction = DMA_FROM_DEVICE;
-
                 memset(ptr, 0, len);
 
-                spi_wait_req(sreq, spi_inquiry, ptr, len);
+                result = spi_execute(sdev, spi_inquiry, DMA_FROM_DEVICE,
+                                     ptr, len, NULL);
                 
-                if(sreq->sr_result || !scsi_device_online(sdev)) {
+                if(result || !scsi_device_online(sdev)) {
                         scsi_device_set_state(sdev, SDEV_QUIESCE);
                         return SPI_COMPARE_FAILURE;
                 }
@@ -667,12 +672,11 @@ spi_dv_device_compare_inquiry(struct scsi_request *sreq, u8 *buffer,
 }
 
 static enum spi_compare_returns
-spi_dv_retrain(struct scsi_request *sreq, u8 *buffer, u8 *ptr,
+spi_dv_retrain(struct scsi_device *sdev, u8 *buffer, u8 *ptr,
                enum spi_compare_returns 
-               (*compare_fn)(struct scsi_request *, u8 *, u8 *, int))
+               (*compare_fn)(struct scsi_device *, u8 *, u8 *, int))
 {
-        struct spi_internal *i = to_spi_internal(sreq->sr_host->transportt);
-        struct scsi_device *sdev = sreq->sr_device;
+        struct spi_internal *i = to_spi_internal(sdev->host->transportt);
         struct scsi_target *starget = sdev->sdev_target;
         int period = 0, prevperiod = 0; 
         enum spi_compare_returns retval;
@@ -680,7 +684,7 @@ spi_dv_retrain(struct scsi_request *sreq, u8 *buffer, u8 *ptr,
 
         for (;;) {
                 int newperiod;
-                retval = compare_fn(sreq, buffer, ptr, DV_LOOPS);
+                retval = compare_fn(sdev, buffer, ptr, DV_LOOPS);
 
                 if (retval == SPI_COMPARE_SUCCESS
                     || retval == SPI_COMPARE_SKIP_TEST)
@@ -726,9 +730,9 @@ spi_dv_retrain(struct scsi_request *sreq, u8 *buffer, u8 *ptr,
 }
 
 static int
-spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
+spi_dv_device_get_echo_buffer(struct scsi_device *sdev, u8 *buffer)
 {
-        int l;
+        int l, result;
 
         /* first off do a test unit ready.  This can error out 
          * because of reservations or some other reason.  If it
@@ -744,18 +748,16 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
         };
 
         
-        sreq->sr_cmd_len = 0;
-        sreq->sr_data_direction = DMA_NONE;
-
         /* We send a set of three TURs to clear any outstanding 
          * unit attention conditions if they exist (Otherwise the
          * buffer tests won't be happy).  If the TUR still fails
          * (reservation conflict, device not ready, etc) just
          * skip the write tests */
         for (l = 0; ; l++) {
-                spi_wait_req(sreq, spi_test_unit_ready, NULL, 0);
+                result = spi_execute(sdev, spi_test_unit_ready, DMA_NONE, 
+                                     NULL, 0, NULL);
 
-                if(sreq->sr_result) {
+                if(result) {
                         if(l >= 3)
                                 return 0;
                 } else {
@@ -764,12 +766,10 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
                 }
         }
 
-        sreq->sr_cmd_len = 0;
-        sreq->sr_data_direction = DMA_FROM_DEVICE;
-
-        spi_wait_req(sreq, spi_read_buffer_descriptor, buffer, 4);
+        result = spi_execute(sdev, spi_read_buffer_descriptor, 
+                             DMA_FROM_DEVICE, buffer, 4, NULL);
 
-        if (sreq->sr_result)
+        if (result)
                 /* Device has no echo buffer */
                 return 0;
 
@@ -777,17 +777,16 @@ spi_dv_device_get_echo_buffer(struct scsi_request *sreq, u8 *buffer)
 }
 
 static void
-spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
+spi_dv_device_internal(struct scsi_device *sdev, u8 *buffer)
 {
-        struct spi_internal *i = to_spi_internal(sreq->sr_host->transportt);
-        struct scsi_device *sdev = sreq->sr_device;
+        struct spi_internal *i = to_spi_internal(sdev->host->transportt);
         struct scsi_target *starget = sdev->sdev_target;
         int len = sdev->inquiry_len;
         /* first set us up for narrow async */
         DV_SET(offset, 0);
         DV_SET(width, 0);
         
-        if (spi_dv_device_compare_inquiry(sreq, buffer, buffer, DV_LOOPS)
+        if (spi_dv_device_compare_inquiry(sdev, buffer, buffer, DV_LOOPS)
             != SPI_COMPARE_SUCCESS) {
                 SPI_PRINTK(starget, KERN_ERR, "Domain Validation Initial Inquiry Failed\n");
                 /* FIXME: should probably offline the device here? */
@@ -799,7 +798,7 @@ spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
             scsi_device_wide(sdev)) {
                 i->f->set_width(starget, 1);
 
-                if (spi_dv_device_compare_inquiry(sreq, buffer,
+                if (spi_dv_device_compare_inquiry(sdev, buffer,
                                                    buffer + len,
                                                    DV_LOOPS)
                     != SPI_COMPARE_SUCCESS) {
@@ -820,7 +819,7 @@ spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
 
         len = 0;
         if (scsi_device_dt(sdev))
-                len = spi_dv_device_get_echo_buffer(sreq, buffer);
+                len = spi_dv_device_get_echo_buffer(sdev, buffer);
 
  retry:
 
@@ -846,7 +845,7 @@ spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
 
         if (len == 0) {
                 SPI_PRINTK(starget, KERN_INFO, "Domain Validation skipping write tests\n");
-                spi_dv_retrain(sreq, buffer, buffer + len,
+                spi_dv_retrain(sdev, buffer, buffer + len,
                                spi_dv_device_compare_inquiry);
                 return;
         }
@@ -856,7 +855,7 @@ spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
                 len = SPI_MAX_ECHO_BUFFER_SIZE;
         }
 
-        if (spi_dv_retrain(sreq, buffer, buffer + len,
+        if (spi_dv_retrain(sdev, buffer, buffer + len,
                            spi_dv_device_echo_buffer)
             == SPI_COMPARE_SKIP_TEST) {
                 /* OK, the stupid drive can't do a write echo buffer
@@ -879,16 +878,12 @@ spi_dv_device_internal(struct scsi_request *sreq, u8 *buffer)
 void
 spi_dv_device(struct scsi_device *sdev)
 {
-        struct scsi_request *sreq = scsi_allocate_request(sdev, GFP_KERNEL);
         struct scsi_target *starget = sdev->sdev_target;
         u8 *buffer;
         const int len = SPI_MAX_ECHO_BUFFER_SIZE*2;
 
-        if (unlikely(!sreq))
-                return;
-
         if (unlikely(scsi_device_get(sdev)))
-                goto out_free_req;
+                return;
 
         buffer = kmalloc(len, GFP_KERNEL);
 
@@ -909,7 +904,7 @@ spi_dv_device(struct scsi_device *sdev)
 
         SPI_PRINTK(starget, KERN_INFO, "Beginning Domain Validation\n");
 
-        spi_dv_device_internal(sreq, buffer);
+        spi_dv_device_internal(sdev, buffer);
 
         SPI_PRINTK(starget, KERN_INFO, "Ending Domain Validation\n");
 
@@ -924,8 +919,6 @@ spi_dv_device(struct scsi_device *sdev)
         kfree(buffer);
  out_put:
         scsi_device_put(sdev);
- out_free_req:
-        scsi_release_request(sreq);
 }
 EXPORT_SYMBOL(spi_dv_device);
 
@@ -1028,10 +1021,17 @@ void spi_display_xfer_agreement(struct scsi_target *starget)
                 sprint_frac(tmp, picosec, 1000);
 
                 dev_info(&starget->dev,
-                        "%s %sSCSI %d.%d MB/s %s%s%s (%s ns, offset %d)\n",
-                        scsi, tp->width ? "WIDE " : "", kb100/10, kb100 % 10,
-                        tp->dt ? "DT" : "ST", tp->iu ? " IU" : "",
-                        tp->qas  ? " QAS" : "", tmp, tp->offset);
+                         "%s %sSCSI %d.%d MB/s %s%s%s%s%s%s%s%s (%s ns, offset %d)\n",
+                         scsi, tp->width ? "WIDE " : "", kb100/10, kb100 % 10,
+                         tp->dt ? "DT" : "ST",
+                         tp->iu ? " IU" : "",
+                         tp->qas  ? " QAS" : "",
+                         tp->rd_strm ? " RDSTRM" : "",
+                         tp->rti ? " RTI" : "",
+                         tp->wr_flow ? " WRFLOW" : "",
+                         tp->pcomp_en ? " PCOMP" : "",
+                         tp->hold_mcs ? " HMCS" : "",
+                         tmp, tp->offset);
         } else {
                 dev_info(&starget->dev, "%sasynchronous.\n",
                                 tp->width ? "wide " : "");
@@ -1073,6 +1073,7 @@ static int spi_device_match(struct attribute_container *cont,
 {
         struct scsi_device *sdev;
         struct Scsi_Host *shost;
+        struct spi_internal *i;
 
         if (!scsi_is_sdev_device(dev))
                 return 0;
@@ -1085,6 +1086,9 @@ static int spi_device_match(struct attribute_container *cont,
         /* Note: this class has no device attributes, so it has
          * no per-HBA allocation and thus we don't need to distinguish
          * the attribute containers for the device */
+        i = to_spi_internal(shost->transportt);
+        if (i->f->deny_binding && i->f->deny_binding(sdev->sdev_target))
+                return 0;
         return 1;
 }
 
@@ -1092,6 +1096,7 @@ static int spi_target_match(struct attribute_container *cont,
                             struct device *dev)
 {
         struct Scsi_Host *shost;
+        struct scsi_target *starget;
         struct spi_internal *i;
 
         if (!scsi_is_target_device(dev))
@@ -1103,7 +1108,11 @@ static int spi_target_match(struct attribute_container *cont,
                 return 0;
 
         i = to_spi_internal(shost->transportt);
-        
+        starget = to_scsi_target(dev);
+
+        if (i->f->deny_binding && i->f->deny_binding(starget))
+                return 0;
+
         return &i->t.target_attrs.ac == cont;
 }
 
@@ -1154,6 +1163,7 @@ spi_attach_transport(struct spi_function_template *ft)
         SETUP_ATTRIBUTE(rd_strm);
         SETUP_ATTRIBUTE(rti);
         SETUP_ATTRIBUTE(pcomp_en);
+        SETUP_ATTRIBUTE(hold_mcs);
 
         /* if you add an attribute but forget to increase SPI_NUM_ATTRS
          * this bug will trigger */
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 0410e1bf109a..de564b386052 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -59,7 +59,6 @@
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_ioctl.h>
-#include <scsi/scsi_request.h>
 #include <scsi/scsicam.h>
 
 #include "scsi_logging.h"
@@ -125,7 +124,7 @@ static int sd_issue_flush(struct device *, sector_t *);
 static void sd_end_flush(request_queue_t *, struct request *);
 static int sd_prepare_flush(request_queue_t *, struct request *);
 static void sd_read_capacity(struct scsi_disk *sdkp, char *diskname,
-                 struct scsi_request *SRpnt, unsigned char *buffer);
+                             unsigned char *buffer);
 
 static struct scsi_driver sd_template = {
         .owner                  = THIS_MODULE,
@@ -682,19 +681,13 @@ not_present:
 
 static int sd_sync_cache(struct scsi_device *sdp)
 {
-        struct scsi_request *sreq;
         int retries, res;
+        struct scsi_sense_hdr sshdr;
 
         if (!scsi_device_online(sdp))
                 return -ENODEV;
 
-        sreq = scsi_allocate_request(sdp, GFP_KERNEL);
-        if (!sreq) {
-                printk("FAILED\n  No memory for request\n");
-                return -ENOMEM;
-        }
 
-        sreq->sr_data_direction = DMA_NONE;
         for (retries = 3; retries > 0; --retries) {
                 unsigned char cmd[10] = { 0 };
 
@@ -703,22 +696,20 @@ static int sd_sync_cache(struct scsi_device *sdp)
                  * Leave the rest of the command zero to indicate
                  * flush everything.
                  */
-                scsi_wait_req(sreq, cmd, NULL, 0, SD_TIMEOUT, SD_MAX_RETRIES);
-                if (sreq->sr_result == 0)
+                res = scsi_execute_req(sdp, cmd, DMA_NONE, NULL, 0, &sshdr,
+                                       SD_TIMEOUT, SD_MAX_RETRIES);
+                if (res == 0)
                         break;
         }
 
-        res = sreq->sr_result;
-        if (res) {
-                printk(KERN_WARNING "FAILED\n  status = %x, message = %02x, "
+        if (res) {              printk(KERN_WARNING "FAILED\n  status = %x, message = %02x, "
                                     "host = %d, driver = %02x\n  ",
                                     status_byte(res), msg_byte(res),
                                     host_byte(res), driver_byte(res));
                         if (driver_byte(res) & DRIVER_SENSE)
-                                scsi_print_req_sense("sd", sreq);
+                                scsi_print_sense_hdr("sd", &sshdr);
         }
 
-        scsi_release_request(sreq);
         return res;
 }
 
@@ -957,22 +948,19 @@ static void sd_rw_intr(struct scsi_cmnd * SCpnt)
         scsi_io_completion(SCpnt, good_bytes, block_sectors << 9);
 }
 
-static int media_not_present(struct scsi_disk *sdkp, struct scsi_request *srp)
+static int media_not_present(struct scsi_disk *sdkp,
+                             struct scsi_sense_hdr *sshdr)
 {
-        struct scsi_sense_hdr sshdr;
 
-        if (!srp->sr_result)
-                return 0;
-        if (!(driver_byte(srp->sr_result) & DRIVER_SENSE))
+        if (!scsi_sense_valid(sshdr))
                 return 0;
         /* not invoked for commands that could return deferred errors */
-        if (scsi_request_normalize_sense(srp, &sshdr)) {
-                if (sshdr.sense_key != NOT_READY &&
-                    sshdr.sense_key != UNIT_ATTENTION)
-                        return 0;
-                if (sshdr.asc != 0x3A) /* medium not present */
-                        return 0;
-        }
+        if (sshdr->sense_key != NOT_READY &&
+            sshdr->sense_key != UNIT_ATTENTION)
+                return 0;
+        if (sshdr->asc != 0x3A) /* medium not present */
+                return 0;
+
         set_media_not_present(sdkp);
         return 1;
 }
@@ -981,10 +969,10 @@ static int media_not_present(struct scsi_disk *sdkp, struct scsi_request *srp)
  * spinup disk - called only in sd_revalidate_disk()
  */
 static void
-sd_spinup_disk(struct scsi_disk *sdkp, char *diskname,
-               struct scsi_request *SRpnt, unsigned char *buffer) {
+sd_spinup_disk(struct scsi_disk *sdkp, char *diskname)
+{
         unsigned char cmd[10];
-        unsigned long spintime_value = 0;
+        unsigned long spintime_expire = 0;
         int retries, spintime;
         unsigned int the_result;
         struct scsi_sense_hdr sshdr;
@@ -1001,18 +989,13 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname,
                         cmd[0] = TEST_UNIT_READY;
                         memset((void *) &cmd[1], 0, 9);
 
-                        SRpnt->sr_cmd_len = 0;
-                        memset(SRpnt->sr_sense_buffer, 0,
-                               SCSI_SENSE_BUFFERSIZE);
-                        SRpnt->sr_data_direction = DMA_NONE;
+                        the_result = scsi_execute_req(sdkp->device, cmd,
+                                                      DMA_NONE, NULL, 0,
+                                                      &sshdr, SD_TIMEOUT,
+                                                      SD_MAX_RETRIES);
 
-                        scsi_wait_req (SRpnt, (void *) cmd, (void *) buffer,
-                                       0/*512*/, SD_TIMEOUT, SD_MAX_RETRIES);
-
-                        the_result = SRpnt->sr_result;
                         if (the_result)
-                                sense_valid = scsi_request_normalize_sense(
-                                                        SRpnt, &sshdr);
+                                sense_valid = scsi_sense_valid(&sshdr);
                         retries++;
                 } while (retries < 3 && 
                          (!scsi_status_is_good(the_result) ||
@@ -1024,7 +1007,7 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname,
                  * any media in it, don't bother with any of the rest of
                  * this crap.
                  */
-                if (media_not_present(sdkp, SRpnt))
+                if (media_not_present(sdkp, &sshdr))
                         return;
 
                 if ((driver_byte(the_result) & DRIVER_SENSE) == 0) {
@@ -1063,33 +1046,42 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname,
                                 cmd[1] = 1;     /* Return immediately */
                                 memset((void *) &cmd[2], 0, 8);
                                 cmd[4] = 1;     /* Start spin cycle */
-                                SRpnt->sr_cmd_len = 0;
-                                memset(SRpnt->sr_sense_buffer, 0,
-                                        SCSI_SENSE_BUFFERSIZE);
-
-                                SRpnt->sr_data_direction = DMA_NONE;
-                                scsi_wait_req(SRpnt, (void *)cmd, 
-                                              (void *) buffer, 0/*512*/, 
-                                              SD_TIMEOUT, SD_MAX_RETRIES);
-                                spintime_value = jiffies;
+                                scsi_execute_req(sdkp->device, cmd, DMA_NONE,
+                                                 NULL, 0, &sshdr,
+                                                 SD_TIMEOUT, SD_MAX_RETRIES);
+                                spintime_expire = jiffies + 100 * HZ;
+                                spintime = 1;
                         }
-                        spintime = 1;
                         /* Wait 1 second for next try */
                         msleep(1000);
                         printk(".");
+
+                /*
+                 * Wait for USB flash devices with slow firmware.
+                 * Yes, this sense key/ASC combination shouldn't
+                 * occur here.  It's characteristic of these devices.
+                 */
+                } else if (sense_valid &&
+                                sshdr.sense_key == UNIT_ATTENTION &&
+                                sshdr.asc == 0x28) {
+                        if (!spintime) {
+                                spintime_expire = jiffies + 5 * HZ;
+                                spintime = 1;
+                        }
+                        /* Wait 1 second for next try */
+                        msleep(1000);
                 } else {
                         /* we don't understand the sense code, so it's
                          * probably pointless to loop */
                         if(!spintime) {
                                 printk(KERN_NOTICE "%s: Unit Not Ready, "
                                         "sense:\n", diskname);
-                                scsi_print_req_sense("", SRpnt);
+                                scsi_print_sense_hdr("", &sshdr);
                         }
                         break;
                 }
                                 
-        } while (spintime &&
-                 time_after(spintime_value + 100 * HZ, jiffies));
+        } while (spintime && time_before_eq(jiffies, spintime_expire));
 
         if (spintime) {
                 if (scsi_status_is_good(the_result))
@@ -1104,14 +1096,15 @@ sd_spinup_disk(struct scsi_disk *sdkp, char *diskname,
  */
 static void
 sd_read_capacity(struct scsi_disk *sdkp, char *diskname,
-                 struct scsi_request *SRpnt, unsigned char *buffer) {
+                 unsigned char *buffer)
+{
         unsigned char cmd[16];
-        struct scsi_device *sdp = sdkp->device;
         int the_result, retries;
         int sector_size = 0;
         int longrc = 0;
         struct scsi_sense_hdr sshdr;
         int sense_valid = 0;
+        struct scsi_device *sdp = sdkp->device;
 
 repeat:
         retries = 3;
@@ -1128,20 +1121,15 @@ repeat:
                         memset((void *) buffer, 0, 8);
                 }
                 
-                SRpnt->sr_cmd_len = 0;
-                memset(SRpnt->sr_sense_buffer, 0, SCSI_SENSE_BUFFERSIZE);
-                SRpnt->sr_data_direction = DMA_FROM_DEVICE;
-
-                scsi_wait_req(SRpnt, (void *) cmd, (void *) buffer,
-                              longrc ? 12 : 8, SD_TIMEOUT, SD_MAX_RETRIES);
+                the_result = scsi_execute_req(sdp, cmd, DMA_FROM_DEVICE,
+                                              buffer, longrc ? 12 : 8, &sshdr,
+                                              SD_TIMEOUT, SD_MAX_RETRIES);
 
-                if (media_not_present(sdkp, SRpnt))
+                if (media_not_present(sdkp, &sshdr))
                         return;
 
-                the_result = SRpnt->sr_result;
                 if (the_result)
-                        sense_valid = scsi_request_normalize_sense(SRpnt,
-                                                                   &sshdr);
+                        sense_valid = scsi_sense_valid(&sshdr);
                 retries--;
 
         } while (the_result && retries);
@@ -1156,7 +1144,7 @@ repeat:
                        driver_byte(the_result));
 
                 if (driver_byte(the_result) & DRIVER_SENSE)
-                        scsi_print_req_sense("sd", SRpnt);
+                        scsi_print_sense_hdr("sd", &sshdr);
                 else
                         printk("%s : sense not available. \n", diskname);
 
@@ -1296,11 +1284,13 @@ got_data:
 
 /* called with buffer of length 512 */
 static inline int
-sd_do_mode_sense(struct scsi_request *SRpnt, int dbd, int modepage,
-                 unsigned char *buffer, int len, struct scsi_mode_data *data)
+sd_do_mode_sense(struct scsi_device *sdp, int dbd, int modepage,
+                 unsigned char *buffer, int len, struct scsi_mode_data *data,
+                 struct scsi_sense_hdr *sshdr)
 {
-        return __scsi_mode_sense(SRpnt, dbd, modepage, buffer, len,
-                                 SD_TIMEOUT, SD_MAX_RETRIES, data);
+        return scsi_mode_sense(sdp, dbd, modepage, buffer, len,
+                               SD_TIMEOUT, SD_MAX_RETRIES, data,
+                               sshdr);
 }
 
 /*
@@ -1309,25 +1299,27 @@ sd_do_mode_sense(struct scsi_request *SRpnt, int dbd, int modepage,
  */
 static void
 sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname,
-                   struct scsi_request *SRpnt, unsigned char *buffer) {
+                           unsigned char *buffer)
+{
         int res;
+        struct scsi_device *sdp = sdkp->device;
         struct scsi_mode_data data;
 
         set_disk_ro(sdkp->disk, 0);
-        if (sdkp->device->skip_ms_page_3f) {
+        if (sdp->skip_ms_page_3f) {
                 printk(KERN_NOTICE "%s: assuming Write Enabled\n", diskname);
                 return;
         }
 
-        if (sdkp->device->use_192_bytes_for_3f) {
-                res = sd_do_mode_sense(SRpnt, 0, 0x3F, buffer, 192, &data);
+        if (sdp->use_192_bytes_for_3f) {
+                res = sd_do_mode_sense(sdp, 0, 0x3F, buffer, 192, &data, NULL);
         } else {
                 /*
                  * First attempt: ask for all pages (0x3F), but only 4 bytes.
                  * We have to start carefully: some devices hang if we ask
                  * for more than is available.
                  */
-                res = sd_do_mode_sense(SRpnt, 0, 0x3F, buffer, 4, &data);
+                res = sd_do_mode_sense(sdp, 0, 0x3F, buffer, 4, &data, NULL);
 
                 /*
                  * Second attempt: ask for page 0 When only page 0 is
@@ -1336,14 +1328,14 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname,
                  * CDB.
                  */
                 if (!scsi_status_is_good(res))
-                        res = sd_do_mode_sense(SRpnt, 0, 0, buffer, 4, &data);
+                        res = sd_do_mode_sense(sdp, 0, 0, buffer, 4, &data, NULL);
 
                 /*
                  * Third attempt: ask 255 bytes, as we did earlier.
                  */
                 if (!scsi_status_is_good(res))
-                        res = sd_do_mode_sense(SRpnt, 0, 0x3F, buffer, 255,
-                                               &data);
+                        res = sd_do_mode_sense(sdp, 0, 0x3F, buffer, 255,
+                                               &data, NULL);
         }
 
         if (!scsi_status_is_good(res)) {
@@ -1365,19 +1357,20 @@ sd_read_write_protect_flag(struct scsi_disk *sdkp, char *diskname,
  */
 static void
 sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
-                   struct scsi_request *SRpnt, unsigned char *buffer)
+                   unsigned char *buffer)
 {
         int len = 0, res;
+        struct scsi_device *sdp = sdkp->device;
 
         int dbd;
         int modepage;
         struct scsi_mode_data data;
         struct scsi_sense_hdr sshdr;
 
-        if (sdkp->device->skip_ms_page_8)
+        if (sdp->skip_ms_page_8)
                 goto defaults;
 
-        if (sdkp->device->type == TYPE_RBC) {
+        if (sdp->type == TYPE_RBC) {
                 modepage = 6;
                 dbd = 8;
         } else {
@@ -1386,7 +1379,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
         }
 
         /* cautiously ask */
-        res = sd_do_mode_sense(SRpnt, dbd, modepage, buffer, 4, &data);
+        res = sd_do_mode_sense(sdp, dbd, modepage, buffer, 4, &data, &sshdr);
 
         if (!scsi_status_is_good(res))
                 goto bad_sense;
@@ -1407,7 +1400,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
         len += data.header_length + data.block_descriptor_length;
 
         /* Get the data */
-        res = sd_do_mode_sense(SRpnt, dbd, modepage, buffer, len, &data);
+        res = sd_do_mode_sense(sdp, dbd, modepage, buffer, len, &data, &sshdr);
 
         if (scsi_status_is_good(res)) {
                 const char *types[] = {
@@ -1439,7 +1432,7 @@ sd_read_cache_type(struct scsi_disk *sdkp, char *diskname,
         }
 
 bad_sense:
-        if (scsi_request_normalize_sense(SRpnt, &sshdr) &&
+        if (scsi_sense_valid(&sshdr) &&
             sshdr.sense_key == ILLEGAL_REQUEST &&
             sshdr.asc == 0x24 && sshdr.ascq == 0x0)
                 printk(KERN_NOTICE "%s: cache data unavailable\n",
@@ -1464,7 +1457,6 @@ static int sd_revalidate_disk(struct gendisk *disk)
 {
         struct scsi_disk *sdkp = scsi_disk(disk);
         struct scsi_device *sdp = sdkp->device;
-        struct scsi_request *sreq;
         unsigned char *buffer;
 
         SCSI_LOG_HLQUEUE(3, printk("sd_revalidate_disk: disk=%s\n", disk->disk_name));
@@ -1476,18 +1468,11 @@ static int sd_revalidate_disk(struct gendisk *disk)
         if (!scsi_device_online(sdp))
                 goto out;
 
-        sreq = scsi_allocate_request(sdp, GFP_KERNEL);
-        if (!sreq) {
-                printk(KERN_WARNING "(sd_revalidate_disk:) Request allocation "
-                       "failure.\n");
-                goto out;
-        }
-
         buffer = kmalloc(512, GFP_KERNEL | __GFP_DMA);
         if (!buffer) {
                 printk(KERN_WARNING "(sd_revalidate_disk:) Memory allocation "
                        "failure.\n");
-                goto out_release_request;
+                goto out;
         }
 
         /* defaults, until the device tells us otherwise */
@@ -1498,25 +1483,23 @@ static int sd_revalidate_disk(struct gendisk *disk)
         sdkp->WCE = 0;
         sdkp->RCD = 0;
 
-        sd_spinup_disk(sdkp, disk->disk_name, sreq, buffer);
+        sd_spinup_disk(sdkp, disk->disk_name);
 
         /*
          * Without media there is no reason to ask; moreover, some devices
          * react badly if we do.
          */
         if (sdkp->media_present) {
-                sd_read_capacity(sdkp, disk->disk_name, sreq, buffer);
+                sd_read_capacity(sdkp, disk->disk_name, buffer);
                 if (sdp->removable)
                         sd_read_write_protect_flag(sdkp, disk->disk_name,
-                                        sreq, buffer);
-                sd_read_cache_type(sdkp, disk->disk_name, sreq, buffer);
+                                                   buffer);
+                sd_read_cache_type(sdkp, disk->disk_name, buffer);
         }
                 
         set_capacity(disk, sdkp->capacity);
         kfree(buffer);
 
- out_release_request: 
-        scsi_release_request(sreq);
  out:
         return 0;
 }
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index e822ca0e97cf..b1b69d738d08 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -61,7 +61,7 @@ static int sg_version_num = 30533;	/* 2 digits for each component */
 
 #ifdef CONFIG_SCSI_PROC_FS
 #include <linux/proc_fs.h>
-static char *sg_version_date = "20050328";
+static char *sg_version_date = "20050901";
 
 static int sg_proc_init(void);
 static void sg_proc_cleanup(void);
@@ -1027,8 +1027,7 @@ sg_ioctl(struct inode *inode, struct file *filp,
                 if (sdp->detached)
                         return -ENODEV;
                 if (filp->f_flags & O_NONBLOCK) {
-                        if (test_bit(SHOST_RECOVERY,
-                                     &sdp->device->host->shost_state))
+                        if (sdp->device->host->shost_state == SHOST_RECOVERY)
                                 return -EBUSY;
                 } else if (!scsi_block_when_processing_errors(sdp->device))
                         return -EBUSY;
@@ -1795,12 +1794,12 @@ st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages,
                   unsigned long uaddr, size_t count, int rw,
                   unsigned long max_pfn)
 {
+        unsigned long end = (uaddr + count + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        unsigned long start = uaddr >> PAGE_SHIFT;
+        const int nr_pages = end - start;
         int res, i, j;
-        unsigned int nr_pages;
         struct page **pages;
 
-        nr_pages = ((uaddr & ~PAGE_MASK) + count + ~PAGE_MASK) >> PAGE_SHIFT;
-
         /* User attempted Overflow! */
         if ((uaddr + count) < uaddr)
                 return -EINVAL;
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index 2f259f249522..ce63fc8312dc 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -50,10 +50,10 @@
 #include <scsi/scsi_dbg.h>
 #include <scsi/scsi_device.h>
 #include <scsi/scsi_driver.h>
+#include <scsi/scsi_cmnd.h>
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_ioctl.h>    /* For the door lock/unlock commands */
-#include <scsi/scsi_request.h>
 
 #include "scsi_logging.h"
 #include "sr.h"
@@ -199,15 +199,7 @@ int sr_media_change(struct cdrom_device_info *cdi, int slot)
                 /* check multisession offset etc */
                 sr_cd_check(cdi);
 
-                /* 
-                 * If the disk changed, the capacity will now be different,
-                 * so we force a re-read of this information 
-                 * Force 2048 for the sector size so that filesystems won't
-                 * be trying to use something that is too small if the disc
-                 * has changed.
-                 */
-                cd->needs_sector_size = 1;
-                cd->device->sector_size = 2048;
+                get_sectorsize(cd);
         }
         return retval;
 }
@@ -538,13 +530,6 @@ static int sr_open(struct cdrom_device_info *cdi, int purpose)
         if (!scsi_block_when_processing_errors(sdev))
                 goto error_out;
 
-        /*
-         * If this device did not have media in the drive at boot time, then
-         * we would have been unable to get the sector size.  Check to see if
-         * this is the case, and try again.
-         */
-        if (cd->needs_sector_size)
-                get_sectorsize(cd);
         return 0;
 
 error_out:
@@ -604,7 +589,6 @@ static int sr_probe(struct device *dev)
         cd->driver = &sr_template;
         cd->disk = disk;
         cd->capacity = 0x1fffff;
-        cd->needs_sector_size = 1;
         cd->device->changed = 1;        /* force recheck CD type */
         cd->use = 1;
         cd->readcd_known = 0;
@@ -658,43 +642,30 @@ static void get_sectorsize(struct scsi_cd *cd)
         unsigned char *buffer;
         int the_result, retries = 3;
         int sector_size;
-        struct scsi_request *SRpnt = NULL;
         request_queue_t *queue;
 
         buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
         if (!buffer)
                 goto Enomem;
-        SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
-        if (!SRpnt)
-                goto Enomem;
 
         do {
                 cmd[0] = READ_CAPACITY;
                 memset((void *) &cmd[1], 0, 9);
-                /* Mark as really busy */
-                SRpnt->sr_request->rq_status = RQ_SCSI_BUSY;
-                SRpnt->sr_cmd_len = 0;
-
                 memset(buffer, 0, 8);
 
                 /* Do the command and wait.. */
-                SRpnt->sr_data_direction = DMA_FROM_DEVICE;
-                scsi_wait_req(SRpnt, (void *) cmd, (void *) buffer,
-                              8, SR_TIMEOUT, MAX_RETRIES);
+                the_result = scsi_execute_req(cd->device, cmd, DMA_FROM_DEVICE,
+                                              buffer, 8, NULL, SR_TIMEOUT,
+                                              MAX_RETRIES);
 
-                the_result = SRpnt->sr_result;
                 retries--;
 
         } while (the_result && retries);
 
 
-        scsi_release_request(SRpnt);
-        SRpnt = NULL;
-
         if (the_result) {
                 cd->capacity = 0x1fffff;
                 sector_size = 2048;     /* A guess, just in case */
-                cd->needs_sector_size = 1;
         } else {
 #if 0
                 if (cdrom_get_last_written(&cd->cdi,
@@ -727,7 +698,6 @@ static void get_sectorsize(struct scsi_cd *cd)
                         printk("%s: unsupported sector size %d.\n",
                                cd->cdi.name, sector_size);
                         cd->capacity = 0;
-                        cd->needs_sector_size = 1;
                 }
 
                 cd->device->sector_size = sector_size;
@@ -736,7 +706,6 @@ static void get_sectorsize(struct scsi_cd *cd)
                  * Add this so that we have the ability to correctly gauge
                  * what the device is capable of.
                  */
-                cd->needs_sector_size = 0;
                 set_capacity(cd->disk, cd->capacity);
         }
 
@@ -748,10 +717,7 @@ out:
 
 Enomem:
         cd->capacity = 0x1fffff;
-        sector_size = 2048;     /* A guess, just in case */
-        cd->needs_sector_size = 1;
-        if (SRpnt)
-                scsi_release_request(SRpnt);
+        cd->device->sector_size = 2048; /* A guess, just in case */
         goto out;
 }
 
@@ -759,8 +725,8 @@ static void get_capabilities(struct scsi_cd *cd)
 {
         unsigned char *buffer;
         struct scsi_mode_data data;
-        struct scsi_request *SRpnt;
         unsigned char cmd[MAX_COMMAND_SIZE];
+        struct scsi_sense_hdr sshdr;
         unsigned int the_result;
         int retries, rc, n;
 
@@ -776,19 +742,11 @@ static void get_capabilities(struct scsi_cd *cd)
                 ""
         };
 
-        /* allocate a request for the TEST_UNIT_READY */
-        SRpnt = scsi_allocate_request(cd->device, GFP_KERNEL);
-        if (!SRpnt) {
-                printk(KERN_WARNING "(get_capabilities:) Request allocation "
-                       "failure.\n");
-                return;
-        }
 
         /* allocate transfer buffer */
         buffer = kmalloc(512, GFP_KERNEL | GFP_DMA);
         if (!buffer) {
                 printk(KERN_ERR "sr: out of memory.\n");
-                scsi_release_request(SRpnt);
                 return;
         }
 
@@ -800,24 +758,19 @@ static void get_capabilities(struct scsi_cd *cd)
                 memset((void *)cmd, 0, MAX_COMMAND_SIZE);
                 cmd[0] = TEST_UNIT_READY;
 
-                SRpnt->sr_cmd_len = 0;
-                SRpnt->sr_sense_buffer[0] = 0;
-                SRpnt->sr_sense_buffer[2] = 0;
-                SRpnt->sr_data_direction = DMA_NONE;
-
-                scsi_wait_req (SRpnt, (void *) cmd, buffer,
-                               0, SR_TIMEOUT, MAX_RETRIES);
+                the_result = scsi_execute_req (cd->device, cmd, DMA_NONE, NULL,
+                                               0, &sshdr, SR_TIMEOUT,
+                                               MAX_RETRIES);
 
-                the_result = SRpnt->sr_result;
                 retries++;
         } while (retries < 5 && 
                  (!scsi_status_is_good(the_result) ||
-                  ((driver_byte(the_result) & DRIVER_SENSE) &&
-                   SRpnt->sr_sense_buffer[2] == UNIT_ATTENTION)));
+                  (scsi_sense_valid(&sshdr) &&
+                   sshdr.sense_key == UNIT_ATTENTION)));
 
         /* ask for mode page 0x2a */
         rc = scsi_mode_sense(cd->device, 0, 0x2a, buffer, 128,
-                             SR_TIMEOUT, 3, &data);
+                             SR_TIMEOUT, 3, &data, NULL);
 
         if (!scsi_status_is_good(rc)) {
                 /* failed, drive doesn't have capabilities mode page */
@@ -825,7 +778,6 @@ static void get_capabilities(struct scsi_cd *cd)
                 cd->cdi.mask |= (CDC_CD_R | CDC_CD_RW | CDC_DVD_R |
                                          CDC_DVD | CDC_DVD_RAM |
                                          CDC_SELECT_DISC | CDC_SELECT_SPEED);
-                scsi_release_request(SRpnt);
                 kfree(buffer);
                 printk("%s: scsi-1 drive\n", cd->cdi.name);
                 return;
@@ -885,7 +837,6 @@ static void get_capabilities(struct scsi_cd *cd)
                 cd->device->writeable = 1;
         }
 
-        scsi_release_request(SRpnt);
         kfree(buffer);
 }
 
diff --git a/drivers/scsi/sr.h b/drivers/scsi/sr.h
index 0b3178007203..d2bcd99c272f 100644
--- a/drivers/scsi/sr.h
+++ b/drivers/scsi/sr.h
@@ -33,7 +33,6 @@ typedef struct scsi_cd {
         struct scsi_device *device;
         unsigned int vendor;    /* vendor code, see sr_vendor.c         */
         unsigned long ms_offset;        /* for reading multisession-CD's        */
-        unsigned needs_sector_size:1;   /* needs to get sector size */
         unsigned use:1;         /* is this device still supportable     */
         unsigned xa_flag:1;     /* CD has XA sectors ? */
         unsigned readcd_known:1;        /* drive supports READ_CD (0xbe) */
diff --git a/drivers/scsi/sr_ioctl.c b/drivers/scsi/sr_ioctl.c
index 82d68fdb1548..6e45ac3c43c5 100644
--- a/drivers/scsi/sr_ioctl.c
+++ b/drivers/scsi/sr_ioctl.c
@@ -17,7 +17,7 @@
 #include <scsi/scsi_eh.h>
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_ioctl.h>
-#include <scsi/scsi_request.h>
+#include <scsi/scsi_cmnd.h>
 
 #include "sr.h"
 
@@ -84,41 +84,37 @@ static int sr_fake_playtrkind(struct cdrom_device_info *cdi, struct cdrom_ti *ti
 
 int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
 {
-        struct scsi_request *SRpnt;
         struct scsi_device *SDev;
-        struct request *req;
+        struct scsi_sense_hdr sshdr;
         int result, err = 0, retries = 0;
+        struct request_sense *sense = cgc->sense;
 
         SDev = cd->device;
-        SRpnt = scsi_allocate_request(SDev, GFP_KERNEL);
-        if (!SRpnt) {
-                printk(KERN_ERR "Unable to allocate SCSI request in sr_do_ioctl");
-                err = -ENOMEM;
-                goto out;
-        }
-        SRpnt->sr_data_direction = cgc->data_direction;
+
+        if (!sense) {
+                sense = kmalloc(sizeof(*sense), GFP_KERNEL);
+                if (!sense) {
+                        err = -ENOMEM;
+                        goto out;
+                }
+        }
 
       retry:
         if (!scsi_block_when_processing_errors(SDev)) {
                 err = -ENODEV;
-                goto out_free;
+                goto out;
         }
 
-        scsi_wait_req(SRpnt, cgc->cmd, cgc->buffer, cgc->buflen,
-                      cgc->timeout, IOCTL_RETRIES);
-
-        req = SRpnt->sr_request;
-        if (SRpnt->sr_buffer && req->buffer && SRpnt->sr_buffer != req->buffer) {
-                memcpy(req->buffer, SRpnt->sr_buffer, SRpnt->sr_bufflen);
-                kfree(SRpnt->sr_buffer);
-                SRpnt->sr_buffer = req->buffer;
-        }
+        memset(sense, 0, sizeof(*sense));
+        result = scsi_execute(SDev, cgc->cmd, cgc->data_direction,
+                              cgc->buffer, cgc->buflen, (char *)sense,
+                              cgc->timeout, IOCTL_RETRIES, 0);
 
-        result = SRpnt->sr_result;
+        scsi_normalize_sense((char *)sense, sizeof(*sense), &sshdr);
 
         /* Minimal error checking.  Ignore cases we know about, and report the rest. */
         if (driver_byte(result) != 0) {
-                switch (SRpnt->sr_sense_buffer[2] & 0xf) {
+                switch (sshdr.sense_key) {
                 case UNIT_ATTENTION:
                         SDev->changed = 1;
                         if (!cgc->quiet)
@@ -128,8 +124,8 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
                         err = -ENOMEDIUM;
                         break;
                 case NOT_READY: /* This happens if there is no disc in drive */
-                        if (SRpnt->sr_sense_buffer[12] == 0x04 &&
-                            SRpnt->sr_sense_buffer[13] == 0x01) {
+                        if (sshdr.asc == 0x04 &&
+                            sshdr.ascq == 0x01) {
                                 /* sense: Logical unit is in process of becoming ready */
                                 if (!cgc->quiet)
                                         printk(KERN_INFO "%s: CDROM not ready yet.\n", cd->cdi.name);
@@ -146,37 +142,33 @@ int sr_do_ioctl(Scsi_CD *cd, struct packet_command *cgc)
                         if (!cgc->quiet)
                                 printk(KERN_INFO "%s: CDROM not ready.  Make sure there is a disc in the drive.\n", cd->cdi.name);
 #ifdef DEBUG
-                        scsi_print_req_sense("sr", SRpnt);
+                        scsi_print_sense_hdr("sr", &sshdr);
 #endif
                         err = -ENOMEDIUM;
                         break;
                 case ILLEGAL_REQUEST:
                         err = -EIO;
-                        if (SRpnt->sr_sense_buffer[12] == 0x20 &&
-                            SRpnt->sr_sense_buffer[13] == 0x00)
+                        if (sshdr.asc == 0x20 &&
+                            sshdr.ascq == 0x00)
                                 /* sense: Invalid command operation code */
                                 err = -EDRIVE_CANT_DO_THIS;
 #ifdef DEBUG
                         __scsi_print_command(cgc->cmd);
-                        scsi_print_req_sense("sr", SRpnt);
+                        scsi_print_sense_hdr("sr", &sshdr);
 #endif
                         break;
                 default:
                         printk(KERN_ERR "%s: CDROM (ioctl) error, command: ", cd->cdi.name);
                         __scsi_print_command(cgc->cmd);
-                        scsi_print_req_sense("sr", SRpnt);
+                        scsi_print_sense_hdr("sr", &sshdr);
                         err = -EIO;
                 }
         }
 
-        if (cgc->sense)
-                memcpy(cgc->sense, SRpnt->sr_sense_buffer, sizeof(*cgc->sense));
-
         /* Wake up a process waiting for device */
-      out_free:
-        scsi_release_request(SRpnt);
-        SRpnt = NULL;
       out:
+        if (!cgc->sense)
+                kfree(sense);
         cgc->stat = err;
         return err;
 }
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 0a7839db5752..a93308ae9736 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -17,7 +17,7 @@
    Last modified: 18-JAN-1998 Richard Gooch <rgooch@atnf.csiro.au> Devfs support
  */
 
-static char *verstr = "20050501";
+static char *verstr = "20050830";
 
 #include <linux/module.h>
 
@@ -219,6 +219,12 @@ static int switch_partition(struct scsi_tape *);
 
 static int st_int_ioctl(struct scsi_tape *, unsigned int, unsigned long);
 
+static void scsi_tape_release(struct kref *);
+
+#define to_scsi_tape(obj) container_of(obj, struct scsi_tape, kref)
+
+static DECLARE_MUTEX(st_ref_sem);
+
 
 #include "osst_detect.h"
 #ifndef SIGS_FROM_OSST
@@ -230,6 +236,46 @@ static int st_int_ioctl(struct scsi_tape *, unsigned int, unsigned long);
         {"OnStream", "FW-", "", "osst"}
 #endif
 
+static struct scsi_tape *scsi_tape_get(int dev)
+{
+        struct scsi_tape *STp = NULL;
+
+        down(&st_ref_sem);
+        write_lock(&st_dev_arr_lock);
+
+        if (dev < st_dev_max && scsi_tapes != NULL)
+                STp = scsi_tapes[dev];
+        if (!STp) goto out;
+
+        kref_get(&STp->kref);
+
+        if (!STp->device)
+                goto out_put;
+
+        if (scsi_device_get(STp->device))
+                goto out_put;
+
+        goto out;
+
+out_put:
+        kref_put(&STp->kref, scsi_tape_release);
+        STp = NULL;
+out:
+        write_unlock(&st_dev_arr_lock);
+        up(&st_ref_sem);
+        return STp;
+}
+
+static void scsi_tape_put(struct scsi_tape *STp)
+{
+        struct scsi_device *sdev = STp->device;
+
+        down(&st_ref_sem);
+        kref_put(&STp->kref, scsi_tape_release);
+        scsi_device_put(sdev);
+        up(&st_ref_sem);
+}
+
 struct st_reject_data {
         char *vendor;
         char *model;
@@ -311,7 +357,7 @@ static int st_chk_result(struct scsi_tape *STp, struct scsi_request * SRpnt)
                 return 0;
 
         cmdstatp = &STp->buffer->cmdstat;
-        st_analyze_sense(STp->buffer->last_SRpnt, cmdstatp);
+        st_analyze_sense(SRpnt, cmdstatp);
 
         if (cmdstatp->have_sense)
                 scode = STp->buffer->cmdstat.sense_hdr.sense_key;
@@ -399,10 +445,10 @@ static void st_sleep_done(struct scsi_cmnd * SCpnt)
 
         (STp->buffer)->cmdstat.midlevel_result = SCpnt->result;
         SCpnt->request->rq_status = RQ_SCSI_DONE;
-        (STp->buffer)->last_SRpnt = SCpnt->sc_request;
         DEB( STp->write_pending = 0; )
 
-        complete(SCpnt->request->waiting);
+        if (SCpnt->request->waiting)
+                complete(SCpnt->request->waiting);
 }
 
 /* Do the scsi command. Waits until command performed if do_wait is true.
@@ -412,8 +458,20 @@ static struct scsi_request *
 st_do_scsi(struct scsi_request * SRpnt, struct scsi_tape * STp, unsigned char *cmd,
            int bytes, int direction, int timeout, int retries, int do_wait)
 {
+        struct completion *waiting;
         unsigned char *bp;
 
+        /* if async, make sure there's no command outstanding */
+        if (!do_wait && ((STp->buffer)->last_SRpnt)) {
+                printk(KERN_ERR "%s: Async command already active.\n",
+                       tape_name(STp));
+                if (signal_pending(current))
+                        (STp->buffer)->syscall_result = (-EINTR);
+                else
+                        (STp->buffer)->syscall_result = (-EBUSY);
+                return NULL;
+        }
+
         if (SRpnt == NULL) {
                 SRpnt = scsi_allocate_request(STp->device, GFP_ATOMIC);
                 if (SRpnt == NULL) {
@@ -427,7 +485,13 @@ st_do_scsi(struct scsi_request * SRpnt, struct scsi_tape * STp, unsigned char *c
                 }
         }
 
-        init_completion(&STp->wait);
+        /* If async IO, set last_SRpnt. This ptr tells write_behind_check
+           which IO is outstanding. It's nulled out when the IO completes. */
+        if (!do_wait)
+                (STp->buffer)->last_SRpnt = SRpnt;
+
+        waiting = &STp->wait;
+        init_completion(waiting);
         SRpnt->sr_use_sg = STp->buffer->do_dio || (bytes > (STp->buffer)->frp[0].length);
         if (SRpnt->sr_use_sg) {
                 if (!STp->buffer->do_dio)
@@ -438,17 +502,20 @@ st_do_scsi(struct scsi_request * SRpnt, struct scsi_tape * STp, unsigned char *c
                 bp = (STp->buffer)->b_data;
         SRpnt->sr_data_direction = direction;
         SRpnt->sr_cmd_len = 0;
-        SRpnt->sr_request->waiting = &(STp->wait);
+        SRpnt->sr_request->waiting = waiting;
         SRpnt->sr_request->rq_status = RQ_SCSI_BUSY;
         SRpnt->sr_request->rq_disk = STp->disk;
+        SRpnt->sr_request->end_io = blk_end_sync_rq;
         STp->buffer->cmdstat.have_sense = 0;
 
         scsi_do_req(SRpnt, (void *) cmd, bp, bytes,
                     st_sleep_done, timeout, retries);
 
         if (do_wait) {
-                wait_for_completion(SRpnt->sr_request->waiting);
+                wait_for_completion(waiting);
                 SRpnt->sr_request->waiting = NULL;
+                if (SRpnt->sr_request->rq_status != RQ_SCSI_DONE)
+                        SRpnt->sr_result |= (DRIVER_ERROR << 24);
                 (STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);
         }
         return SRpnt;
@@ -465,6 +532,7 @@ static int write_behind_check(struct scsi_tape * STp)
         struct st_buffer *STbuffer;
         struct st_partstat *STps;
         struct st_cmdstatus *cmdstatp;
+        struct scsi_request *SRpnt;
 
         STbuffer = STp->buffer;
         if (!STbuffer->writing)
@@ -478,10 +546,14 @@ static int write_behind_check(struct scsi_tape * STp)
         ) /* end DEB */
 
         wait_for_completion(&(STp->wait));
-        (STp->buffer)->last_SRpnt->sr_request->waiting = NULL;
+        SRpnt = STbuffer->last_SRpnt;
+        STbuffer->last_SRpnt = NULL;
+        SRpnt->sr_request->waiting = NULL;
+        if (SRpnt->sr_request->rq_status != RQ_SCSI_DONE)
+                SRpnt->sr_result |= (DRIVER_ERROR << 24);
 
-        (STp->buffer)->syscall_result = st_chk_result(STp, (STp->buffer)->last_SRpnt);
-        scsi_release_request((STp->buffer)->last_SRpnt);
+        (STp->buffer)->syscall_result = st_chk_result(STp, SRpnt);
+        scsi_release_request(SRpnt);
 
         STbuffer->buffer_bytes -= STbuffer->writing;
         STps = &(STp->ps[STp->partition]);
@@ -1055,25 +1127,20 @@ static int st_open(struct inode *inode, struct file *filp)
          */
         filp->f_mode &= ~(FMODE_PREAD | FMODE_PWRITE);
 
+        if (!(STp = scsi_tape_get(dev)))
+                return -ENXIO;
+
         write_lock(&st_dev_arr_lock);
-        if (dev >= st_dev_max || scsi_tapes == NULL ||
-            ((STp = scsi_tapes[dev]) == NULL)) {
-                write_unlock(&st_dev_arr_lock);
-                return (-ENXIO);
-        }
         filp->private_data = STp;
         name = tape_name(STp);
 
         if (STp->in_use) {
                 write_unlock(&st_dev_arr_lock);
+                scsi_tape_put(STp);
                 DEB( printk(ST_DEB_MSG "%s: Device already in use.\n", name); )
                 return (-EBUSY);
         }
 
-        if(scsi_device_get(STp->device)) {
-                write_unlock(&st_dev_arr_lock);
-                return (-ENXIO);
-        }
         STp->in_use = 1;
         write_unlock(&st_dev_arr_lock);
         STp->rew_at_close = STp->autorew_dev = (iminor(inode) & 0x80) == 0;
@@ -1118,7 +1185,7 @@ static int st_open(struct inode *inode, struct file *filp)
  err_out:
         normalize_buffer(STp->buffer);
         STp->in_use = 0;
-        scsi_device_put(STp->device);
+        scsi_tape_put(STp);
         return retval;
 
 }
@@ -1250,7 +1317,7 @@ static int st_release(struct inode *inode, struct file *filp)
         write_lock(&st_dev_arr_lock);
         STp->in_use = 0;
         write_unlock(&st_dev_arr_lock);
-        scsi_device_put(STp->device);
+        scsi_tape_put(STp);
 
         return result;
 }
@@ -3887,6 +3954,7 @@ static int st_probe(struct device *dev)
                 goto out_put_disk;
         }
         memset(tpnt, 0, sizeof(struct scsi_tape));
+        kref_init(&tpnt->kref);
         tpnt->disk = disk;
         sprintf(disk->disk_name, "st%d", i);
         disk->private_data = &tpnt->driver;
@@ -3902,6 +3970,7 @@ static int st_probe(struct device *dev)
                 tpnt->tape_type = MT_ISSCSI2;
 
         tpnt->buffer = buffer;
+        tpnt->buffer->last_SRpnt = NULL;
 
         tpnt->inited = 0;
         tpnt->dirty = 0;
@@ -4076,15 +4145,10 @@ static int st_remove(struct device *dev)
                                         tpnt->modes[mode].cdevs[j] = NULL;
                                 }
                         }
-                        tpnt->device = NULL;
 
-                        if (tpnt->buffer) {
-                                tpnt->buffer->orig_frp_segs = 0;
-                                normalize_buffer(tpnt->buffer);
-                                kfree(tpnt->buffer);
-                        }
-                        put_disk(tpnt->disk);
-                        kfree(tpnt);
+                        down(&st_ref_sem);
+                        kref_put(&tpnt->kref, scsi_tape_release);
+                        up(&st_ref_sem);
                         return 0;
                 }
         }
@@ -4093,6 +4157,34 @@ static int st_remove(struct device *dev)
         return 0;
 }
 
+/**
+ *      scsi_tape_release - Called to free the Scsi_Tape structure
+ *      @kref: pointer to embedded kref
+ *
+ *      st_ref_sem must be held entering this routine.  Because it is
+ *      called on last put, you should always use the scsi_tape_get()
+ *      scsi_tape_put() helpers which manipulate the semaphore directly
+ *      and never do a direct kref_put().
+ **/
+static void scsi_tape_release(struct kref *kref)
+{
+        struct scsi_tape *tpnt = to_scsi_tape(kref);
+        struct gendisk *disk = tpnt->disk;
+
+        tpnt->device = NULL;
+
+        if (tpnt->buffer) {
+                tpnt->buffer->orig_frp_segs = 0;
+                normalize_buffer(tpnt->buffer);
+                kfree(tpnt->buffer);
+        }
+
+        disk->private_data = NULL;
+        put_disk(disk);
+        kfree(tpnt);
+        return;
+}
+
 static void st_intr(struct scsi_cmnd *SCpnt)
 {
         scsi_io_completion(SCpnt, (SCpnt->result ? 0: SCpnt->bufflen), 1);
@@ -4348,12 +4440,12 @@ static int st_map_user_pages(struct scatterlist *sgl, const unsigned int max_pag
 static int sgl_map_user_pages(struct scatterlist *sgl, const unsigned int max_pages, 
                               unsigned long uaddr, size_t count, int rw)
 {
+        unsigned long end = (uaddr + count + PAGE_SIZE - 1) >> PAGE_SHIFT;
+        unsigned long start = uaddr >> PAGE_SHIFT;
+        const int nr_pages = end - start;
         int res, i, j;
-        unsigned int nr_pages;
         struct page **pages;
 
-        nr_pages = ((uaddr & ~PAGE_MASK) + count + ~PAGE_MASK) >> PAGE_SHIFT;
-
         /* User attempted Overflow! */
         if ((uaddr + count) < uaddr)
                 return -EINVAL;
diff --git a/drivers/scsi/st.h b/drivers/scsi/st.h
index 061da111398e..790acac160bc 100644
--- a/drivers/scsi/st.h
+++ b/drivers/scsi/st.h
@@ -3,7 +3,7 @@
 #define _ST_H
 
 #include <linux/completion.h>
-
+#include <linux/kref.h>
 
 /* Descriptor for analyzed sense data */
 struct st_cmdstatus {
@@ -156,6 +156,7 @@ struct scsi_tape {
         unsigned char last_sense[16];
 #endif
         struct gendisk *disk;
+        struct kref     kref;
 };
 
 /* Bit masks for use_pf */