[SCSI] fusion - Greater than 255 target and lun support

Add support for greater than 255 target and luns.
Kill the hd->Target[] field, and change all references
of bus_id/target_id, to channel/id.

Signed-off-by: Eric Moore <Eric.Moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

1 files changed, 82 insertions, 219 deletions

diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index f0cca3ea93b2..ce58431bee8e 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -79,43 +79,6 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(my_VERSION);
 
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-
-typedef struct _BIG_SENSE_BUF {
-        u8              data[MPT_SENSE_BUFFER_ALLOC];
-} BIG_SENSE_BUF;
-
-#define MPT_SCANDV_GOOD                 (0x00000000) /* must be 0 */
-#define MPT_SCANDV_DID_RESET            (0x00000001)
-#define MPT_SCANDV_SENSE                (0x00000002)
-#define MPT_SCANDV_SOME_ERROR           (0x00000004)
-#define MPT_SCANDV_SELECTION_TIMEOUT    (0x00000008)
-#define MPT_SCANDV_ISSUE_SENSE          (0x00000010)
-#define MPT_SCANDV_FALLBACK             (0x00000020)
-
-#define MPT_SCANDV_MAX_RETRIES          (10)
-
-#define MPT_ICFLAG_BUF_CAP      0x01    /* ReadBuffer Read Capacity format */
-#define MPT_ICFLAG_ECHO         0x02    /* ReadBuffer Echo buffer format */
-#define MPT_ICFLAG_EBOS         0x04    /* ReadBuffer Echo buffer has EBOS */
-#define MPT_ICFLAG_PHYS_DISK    0x08    /* Any SCSI IO but do Phys Disk Format */
-#define MPT_ICFLAG_TAGGED_CMD   0x10    /* Do tagged IO */
-#define MPT_ICFLAG_DID_RESET    0x20    /* Bus Reset occurred with this command */
-#define MPT_ICFLAG_RESERVED     0x40    /* Reserved has been issued */
-
-typedef struct _internal_cmd {
-        char            *data;          /* data pointer */
-        dma_addr_t      data_dma;       /* data dma address */
-        int             size;           /* transfer size */
-        u8              cmd;            /* SCSI Op Code */
-        u8              bus;            /* bus number */
-        u8              id;             /* SCSI ID (virtual) */
-        u8              lun;
-        u8              flags;          /* Bit Field - See above */
-        u8              physDiskNum;    /* Phys disk number, -1 else */
-        u8              rsvd2;
-        u8              rsvd;
-} INTERNAL_CMD;
-
 /*
  *  Other private/forward protos...
  */
@@ -131,14 +94,14 @@ static int	mptscsih_tm_pending_wait(MPT_SCSI_HOST * hd);
 static int      mptscsih_tm_wait_for_completion(MPT_SCSI_HOST * hd, ulong timeout );
 static int      SCPNT_TO_LOOKUP_IDX(struct scsi_cmnd *sc);
 
-static int      mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout);
+static int      mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout);
 
 int             mptscsih_ioc_reset(MPT_ADAPTER *ioc, int post_reset);
 int             mptscsih_event_process(MPT_ADAPTER *ioc, EventNotificationReply_t *pEvReply);
 
 static void     mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
 static void     mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *vtarget, struct scsi_device *sdev);
-static int      mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus);
+static int      mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id);
 int             mptscsih_scandv_complete(MPT_ADAPTER *ioc, MPT_FRAME_HDR *mf, MPT_FRAME_HDR *r);
 static int      mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *iocmd);
 static void     mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice);
@@ -517,13 +480,13 @@ mptscsih_issue_sep_command(MPT_ADAPTER *ioc, VirtTarget *vtarget,
 
         SEPMsg = (SEPRequest_t *)mf;
         SEPMsg->Function = MPI_FUNCTION_SCSI_ENCLOSURE_PROCESSOR;
-        SEPMsg->Bus = vtarget->bus_id;
-        SEPMsg->TargetID = vtarget->target_id;
+        SEPMsg->Bus = vtarget->channel;
+        SEPMsg->TargetID = vtarget->id;
         SEPMsg->Action = MPI_SEP_REQ_ACTION_WRITE_STATUS;
         SEPMsg->SlotStatus = SlotStatus;
         devtverboseprintk((MYIOC_s_WARN_FMT
-            "Sending SEP cmd=%x id=%d bus=%d\n",
-            ioc->name, SlotStatus, SEPMsg->TargetID, SEPMsg->Bus));
+            "Sending SEP cmd=%x channel=%d id=%d\n",
+            ioc->name, SlotStatus, SEPMsg->Bus, SEPMsg->TargetID));
         mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
 }
 
@@ -955,9 +918,10 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
         int              ii;
         int              max = hd->ioc->req_depth;
         struct scsi_cmnd *sc;
+        struct scsi_lun  lun;
 
-        dsprintk((KERN_INFO MYNAM ": search_running target %d lun %d max %d\n",
-                        vdevice->vtarget->target_id, vdevice->lun, max));
+        dsprintk((KERN_INFO MYNAM ": search_running channel %d id %d lun %d max %d\n",
+            vdevice->vtarget->channel, vdevice->vtarget->id, vdevice->lun, max));
 
         for (ii=0; ii < max; ii++) {
                 if ((sc = hd->ScsiLookup[ii]) != NULL) {
@@ -965,10 +929,14 @@ mptscsih_search_running_cmds(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
                         mf = (SCSIIORequest_t *)MPT_INDEX_2_MFPTR(hd->ioc, ii);
                         if (mf == NULL)
                                 continue;
-                        dsprintk(( "search_running: found (sc=%p, mf = %p) target %d, lun %d \n",
-                                        hd->ScsiLookup[ii], mf, mf->TargetID, mf->LUN[1]));
-                        if ((mf->TargetID != ((u8)vdevice->vtarget->target_id)) || (mf->LUN[1] != ((u8) vdevice->lun)))
+                        int_to_scsilun(vdevice->lun, &lun);
+                        if ((mf->Bus != vdevice->vtarget->channel) ||
+                            (mf->TargetID != vdevice->vtarget->id) ||
+                            memcmp(lun.scsi_lun, mf->LUN, 8))
                                 continue;
+                        dsprintk(( "search_running: found (sc=%p, mf = %p) "
+                            "channel %d id %d, lun %d \n", hd->ScsiLookup[ii],
+                            mf, mf->Bus, mf->TargetID, vdevice->lun));
 
                         /* Cleanup
                          */
@@ -1065,12 +1033,6 @@ mptscsih_remove(struct pci_dev *pdev)
                 hd->ScsiLookup = NULL;
         }
 
-        /*
-         * Free pointer array.
-         */
-        kfree(hd->Targets);
-        hd->Targets = NULL;
-
         dprintk((MYIOC_s_INFO_FMT
             "Free'd ScsiLookup (%d) memory\n",
             hd->ioc->name, sz1));
@@ -1317,14 +1279,6 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
                 return SCSI_MLQUEUE_HOST_BUSY;
         }
 
-        if ((hd->ioc->bus_type == SPI) &&
-            vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT &&
-            mptscsih_raid_id_to_num(hd, SCpnt->device->id) < 0) {
-                SCpnt->result = DID_NO_CONNECT << 16;
-                done(SCpnt);
-                return 0;
-        }
-
         /*
          *  Put together a MPT SCSI request...
          */
@@ -1368,8 +1322,8 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 
         /* Use the above information to set up the message frame
          */
-        pScsiReq->TargetID = (u8) vdev->vtarget->target_id;
-        pScsiReq->Bus = vdev->vtarget->bus_id;
+        pScsiReq->TargetID = (u8) vdev->vtarget->id;
+        pScsiReq->Bus = vdev->vtarget->channel;
         pScsiReq->ChainOffset = 0;
         if (vdev->vtarget->tflags &  MPT_TARGET_FLAGS_RAID_COMPONENT)
                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
@@ -1379,14 +1333,7 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
         pScsiReq->SenseBufferLength = MPT_SENSE_BUFFER_SIZE;
         pScsiReq->Reserved = 0;
         pScsiReq->MsgFlags = mpt_msg_flags();
-        pScsiReq->LUN[0] = 0;
-        pScsiReq->LUN[1] = lun;
-        pScsiReq->LUN[2] = 0;
-        pScsiReq->LUN[3] = 0;
-        pScsiReq->LUN[4] = 0;
-        pScsiReq->LUN[5] = 0;
-        pScsiReq->LUN[6] = 0;
-        pScsiReq->LUN[7] = 0;
+        int_to_scsilun(SCpnt->device->lun, (struct scsi_lun *)pScsiReq->LUN);
         pScsiReq->Control = cpu_to_le32(scsictl);
 
         /*
@@ -1498,7 +1445,7 @@ mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
  *
  *      @ioc: Pointer to MPT_ADAPTER structure
  *      @type: Task Management type
- *      @target: Logical Target ID for reset (if appropriate)
+ *      @id: Logical Target ID for reset (if appropriate)
  *      @lun: Logical Unit for reset (if appropriate)
  *      @ctx2abort: Context for the task to be aborted (if appropriate)
  *
@@ -1510,7 +1457,7 @@ mptscsih_freeChainBuffers(MPT_ADAPTER *ioc, int req_idx)
  *      Returns 0 for SUCCESS or -1 if FAILED.
  */
 int
-mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout)
+mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
 {
         MPT_ADAPTER     *ioc;
         int              rc = -1;
@@ -1590,7 +1537,7 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, in
                  */
                 if (hd->hard_resets < -1)
                         hd->hard_resets++;
-                rc = mptscsih_IssueTaskMgmt(hd, type, channel, target, lun, ctx2abort, timeout);
+                rc = mptscsih_IssueTaskMgmt(hd, type, channel, id, lun, ctx2abort, timeout);
                 if (rc) {
                         printk(MYIOC_s_INFO_FMT "Issue of TaskMgmt failed!\n", hd->ioc->name);
                 } else {
@@ -1624,7 +1571,7 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, in
  *      mptscsih_IssueTaskMgmt - Generic send Task Management function.
  *      @hd: Pointer to MPT_SCSI_HOST structure
  *      @type: Task Management type
- *      @target: Logical Target ID for reset (if appropriate)
+ *      @id: Logical Target ID for reset (if appropriate)
  *      @lun: Logical Unit for reset (if appropriate)
  *      @ctx2abort: Context for the task to be aborted (if appropriate)
  *
@@ -1637,7 +1584,7 @@ mptscsih_TMHandler(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, in
  *      else other non-zero value returned.
  */
 static int
-mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun, int ctx2abort, ulong timeout)
+mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 id, int lun, int ctx2abort, ulong timeout)
 {
         MPT_FRAME_HDR   *mf;
         SCSITaskMgmt_t  *pScsiTm;
@@ -1657,7 +1604,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
         /* Format the Request
          */
         pScsiTm = (SCSITaskMgmt_t *) mf;
-        pScsiTm->TargetID = target;
+        pScsiTm->TargetID = id;
         pScsiTm->Bus = channel;
         pScsiTm->ChainOffset = 0;
         pScsiTm->Function = MPI_FUNCTION_SCSI_TASK_MGMT;
@@ -1668,10 +1615,7 @@ mptscsih_IssueTaskMgmt(MPT_SCSI_HOST *hd, u8 type, u8 channel, u8 target, u8 lun
         pScsiTm->MsgFlags = (type == MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS)
                     ? MPI_SCSITASKMGMT_MSGFLAGS_LIPRESET_RESET_OPTION : 0;
 
-        for (ii= 0; ii < 8; ii++) {
-                pScsiTm->LUN[ii] = 0;
-        }
-        pScsiTm->LUN[1] = lun;
+        int_to_scsilun(lun, (struct scsi_lun *)pScsiTm->LUN);
 
         for (ii=0; ii < 7; ii++)
                 pScsiTm->Reserved2[ii] = 0;
@@ -1789,7 +1733,7 @@ mptscsih_abort(struct scsi_cmnd * SCpnt)
 
         vdev = SCpnt->device->hostdata;
         retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_ABORT_TASK,
-                vdev->vtarget->bus_id, vdev->vtarget->target_id, vdev->lun,
+                vdev->vtarget->channel, vdev->vtarget->id, vdev->lun,
                 ctx2abort, mptscsih_get_tm_timeout(hd->ioc));
 
         if (SCPNT_TO_LOOKUP_IDX(SCpnt) == scpnt_idx &&
@@ -1845,7 +1789,7 @@ mptscsih_dev_reset(struct scsi_cmnd * SCpnt)
 
         vdev = SCpnt->device->hostdata;
         retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
-                vdev->vtarget->bus_id, vdev->vtarget->target_id,
+                vdev->vtarget->channel, vdev->vtarget->id,
                 0, 0, mptscsih_get_tm_timeout(hd->ioc));
 
         printk (KERN_WARNING MYNAM ": %s: target reset: %s (sc=%p)\n",
@@ -1896,7 +1840,7 @@ mptscsih_bus_reset(struct scsi_cmnd * SCpnt)
 
         vdev = SCpnt->device->hostdata;
         retval = mptscsih_TMHandler(hd, MPI_SCSITASKMGMT_TASKTYPE_RESET_BUS,
-                vdev->vtarget->bus_id, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
+                vdev->vtarget->channel, 0, 0, 0, mptscsih_get_tm_timeout(hd->ioc));
 
         printk (KERN_WARNING MYNAM ": %s: bus reset: %s (sc=%p)\n",
                 hd->ioc->name,
@@ -2191,7 +2135,7 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
 
         dprintk((KERN_NOTICE
                 ": bios_param: Id=%i Lun=%i Channel=%i CHS=%i/%i/%i\n",
-                sdev->id, sdev->lun,sdev->channel,(int)cylinders,heads,sectors));
+                sdev->id, sdev->lun, sdev->channel, (int)cylinders, heads, sectors));
 
         return 0;
 }
@@ -2200,115 +2144,46 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
  *
  */
 int
-mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
+mptscsih_is_phys_disk(MPT_ADAPTER *ioc, u8 channel, u8 id)
 {
         int i;
+        int rc = 0;
 
-        if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3)
-                return 0;
+        if (!ioc->raid_data.pIocPg3)
+                goto out;
         for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
-                if (id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
-                        return 1;
-        }
-        return 0;
-}
-EXPORT_SYMBOL(mptscsih_is_phys_disk);
-
-int
-mptscsih_raid_id_to_num(MPT_SCSI_HOST *hd, uint physdiskid)
-{
-        int i;
-
-        if (!hd->ioc->raid_data.isRaid || !hd->ioc->raid_data.pIocPg3)
-                return -ENXIO;
-
-        for (i = 0; i < hd->ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
-                if (physdiskid ==
-                    hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID)
-                        return hd->ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
+                if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
+                    (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
+                        rc = 1;
+                        goto out;
+                }
         }
 
-        return -ENXIO;
-}
-EXPORT_SYMBOL(mptscsih_raid_id_to_num);
-
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
- *      OS entry point to allow host driver to alloc memory
- *      for each scsi target. Called once per device the bus scan.
- *      Return non-zero if allocation fails.
- */
-int
-mptscsih_target_alloc(struct scsi_target *starget)
-{
-        VirtTarget              *vtarget;
-
-        vtarget = kzalloc(sizeof(VirtTarget), GFP_KERNEL);
-        if (!vtarget)
-                return -ENOMEM;
-        starget->hostdata = vtarget;
-        vtarget->starget = starget;
-        return 0;
+ out:
+        return rc;
 }
+EXPORT_SYMBOL(mptscsih_is_phys_disk);
 
-/*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
-/*
- *      OS entry point to allow host driver to alloc memory
- *      for each scsi device. Called once per device the bus scan.
- *      Return non-zero if allocation fails.
- */
-int
-mptscsih_slave_alloc(struct scsi_device *sdev)
+u8
+mptscsih_raid_id_to_num(MPT_ADAPTER *ioc, u8 channel, u8 id)
 {
-        struct Scsi_Host        *host = sdev->host;
-        MPT_SCSI_HOST           *hd = (MPT_SCSI_HOST *)host->hostdata;
-        VirtTarget              *vtarget;
-        VirtDevice              *vdev;
-        struct scsi_target      *starget;
-
-        vdev = kzalloc(sizeof(VirtDevice), GFP_KERNEL);
-        if (!vdev) {
-                printk(MYIOC_s_ERR_FMT "slave_alloc kmalloc(%zd) FAILED!\n",
-                                hd->ioc->name, sizeof(VirtDevice));
-                return -ENOMEM;
-        }
-
-        vdev->lun = sdev->lun;
-        sdev->hostdata = vdev;
-
-        starget = scsi_target(sdev);
-        vtarget = starget->hostdata;
+        int i;
+        int rc = -ENXIO;
 
-        vdev->vtarget = vtarget;
-
-        if (vtarget->num_luns == 0) {
-                hd->Targets[sdev->id] = vtarget;
-                vtarget->ioc_id = hd->ioc->id;
-                vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
-                vtarget->target_id = sdev->id;
-                vtarget->bus_id = sdev->channel;
-                if (hd->ioc->bus_type == SPI && sdev->channel == 0 &&
-                    hd->ioc->raid_data.isRaid & (1 << sdev->id)) {
-                        vtarget->raidVolume = 1;
-                        ddvtprintk((KERN_INFO
-                                    "RAID Volume @ id %d\n", sdev->id));
+        if (!ioc->raid_data.pIocPg3)
+                goto out;
+        for (i = 0; i < ioc->raid_data.pIocPg3->NumPhysDisks; i++) {
+                if ((id == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskID) &&
+                    (channel == ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskBus)) {
+                        rc = ioc->raid_data.pIocPg3->PhysDisk[i].PhysDiskNum;
+                        goto out;
                 }
         }
-        vtarget->num_luns++;
-        return 0;
-}
 
-/*
- *      OS entry point to allow for host driver to free allocated memory
- *      Called if no device present or device being unloaded
- */
-void
-mptscsih_target_destroy(struct scsi_target *starget)
-{
-        if (starget->hostdata)
-                kfree(starget->hostdata);
-        starget->hostdata = NULL;
+ out:
+        return rc;
 }
+EXPORT_SYMBOL(mptscsih_raid_id_to_num);
 
 /*
  *      OS entry point to allow for host driver to free allocated memory
@@ -2328,11 +2203,7 @@ mptscsih_slave_destroy(struct scsi_device *sdev)
         vdevice = sdev->hostdata;
 
         mptscsih_search_running_cmds(hd, vdevice);
-        vtarget->luns[0] &= ~(1 << vdevice->lun);
         vtarget->num_luns--;
-        if (vtarget->num_luns == 0) {
-                hd->Targets[sdev->id] = NULL;
-        }
         mptscsih_synchronize_cache(hd, vdevice);
         kfree(vdevice);
         sdev->hostdata = NULL;
@@ -2394,15 +2265,14 @@ mptscsih_slave_configure(struct scsi_device *sdev)
         VirtDevice              *vdevice;
         struct scsi_target      *starget;
         MPT_SCSI_HOST           *hd = (MPT_SCSI_HOST *)sh->hostdata;
-        int                     indexed_lun, lun_index;
 
         starget = scsi_target(sdev);
         vtarget = starget->hostdata;
         vdevice = sdev->hostdata;
 
         dsprintk((MYIOC_s_INFO_FMT
-                "device @ %p, id=%d, LUN=%d, channel=%d\n",
-                hd->ioc->name, sdev, sdev->id, sdev->lun, sdev->channel));
+                "device @ %p, channel=%d, id=%d, lun=%d\n",
+                hd->ioc->name, sdev, sdev->channel, sdev->id, sdev->lun));
         if (hd->ioc->bus_type == SPI)
                 dsprintk((MYIOC_s_INFO_FMT
                     "sdtr %d wdtr %d ppr %d inq length=%d\n",
@@ -2415,10 +2285,7 @@ mptscsih_slave_configure(struct scsi_device *sdev)
                 goto slave_configure_exit;
         }
 
-        vdevice->configured_lun=1;
-        lun_index = (vdevice->lun >> 5);  /* 32 luns per lun_index */
-        indexed_lun = (vdevice->lun % 32);
-        vtarget->luns[lun_index] |= (1 << indexed_lun);
+        vdevice->configured_lun = 1;
         mptscsih_initTarget(hd, vtarget, sdev);
         mptscsih_change_queue_depth(sdev, MPT_SCSI_CMD_PER_DEV_HIGH);
 
@@ -2699,8 +2566,8 @@ static void
 mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
                     struct scsi_device *sdev)
 {
-        dinitprintk((MYIOC_s_INFO_FMT "initTarget bus=%d id=%d lun=%d hd=%p\n",
-                hd->ioc->name, vtarget->bus_id, vtarget->target_id,
+        dinitprintk((MYIOC_s_INFO_FMT "initTarget channel=%d id=%d lun=%d hd=%p\n",
+                hd->ioc->name, vtarget->channel, vtarget->id,
                 sdev->lun, hd));
 
         /* Is LUN supported? If so, upper 2 bits will be 0
@@ -2721,7 +2588,7 @@ mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
                 /* Treat all Processors as SAF-TE if
                  * command line option is set */
                 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
-                mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id);
+                mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id);
         }else if ((sdev->type == TYPE_PROCESSOR) &&
                 !(vtarget->tflags & MPT_TARGET_FLAGS_SAF_TE_ISSUED )) {
                 if (sdev->inquiry_len > 49 ) {
@@ -2732,7 +2599,7 @@ mptscsih_initTarget(MPT_SCSI_HOST *hd, VirtTarget *vtarget,
                             sdev->inquiry[48] == 'T' &&
                             sdev->inquiry[49] == 'E' ) {
                                 vtarget->tflags |= MPT_TARGET_FLAGS_SAF_TE_ISSUED;
-                                mptscsih_writeIOCPage4(hd, vtarget->target_id, vtarget->bus_id);
+                                mptscsih_writeIOCPage4(hd, vtarget->channel, vtarget->id);
                         }
                 }
         }
@@ -2750,7 +2617,7 @@ mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
                             struct scsi_device *sdev)
 {
         SpiCfgData *pspi_data = &hd->ioc->spi_data;
-        int  id = (int) target->target_id;
+        int  id = (int) target->id;
         int  nvram;
         u8 width = MPT_NARROW;
         u8 factor = MPT_ASYNC;
@@ -2887,7 +2754,8 @@ mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
 /*=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=*/
 /*      mptscsih_writeIOCPage4  - write IOC Page 4
  *      @hd: Pointer to a SCSI Host Structure
- *      @target_id: write IOC Page4 for this ID & Bus
+ *      @channel: write IOC Page4 for this Bus
+ *      @id: write IOC Page4 for this ID
  *
  *      Return: -EAGAIN if unable to obtain a Message Frame
  *              or 0 if success.
@@ -2895,7 +2763,7 @@ mptscsih_setTargetNegoParms(MPT_SCSI_HOST *hd, VirtTarget *target,
  *      Remark: We do not wait for a return, write pages sequentially.
  */
 static int
-mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus)
+mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int channel, int id)
 {
         MPT_ADAPTER             *ioc = hd->ioc;
         Config_t                *pReq;
@@ -2936,13 +2804,13 @@ mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus)
                 pReq->Reserved2[ii] = 0;
         }
 
-        IOCPage4Ptr = ioc->spi_data.pIocPg4;
-        dataDma = ioc->spi_data.IocPg4_dma;
-        ii = IOCPage4Ptr->ActiveSEP++;
-        IOCPage4Ptr->SEP[ii].SEPTargetID = target_id;
-        IOCPage4Ptr->SEP[ii].SEPBus = bus;
-        pReq->Header = IOCPage4Ptr->Header;
-        pReq->PageAddress = cpu_to_le32(target_id | (bus << 8 ));
+        IOCPage4Ptr = ioc->spi_data.pIocPg4;
+        dataDma = ioc->spi_data.IocPg4_dma;
+        ii = IOCPage4Ptr->ActiveSEP++;
+        IOCPage4Ptr->SEP[ii].SEPTargetID = id;
+        IOCPage4Ptr->SEP[ii].SEPBus = channel;
+        pReq->Header = IOCPage4Ptr->Header;
+        pReq->PageAddress = cpu_to_le32(id | (channel << 8 ));
 
         /* Add a SGE to the config request.
          */
@@ -2952,8 +2820,8 @@ mptscsih_writeIOCPage4(MPT_SCSI_HOST *hd, int target_id, int bus)
         mpt_add_sge((char *)&pReq->PageBufferSGE, flagsLength, dataDma);
 
         dinitprintk((MYIOC_s_INFO_FMT
-                "writeIOCPage4: MaxSEP=%d ActiveSEP=%d id=%d bus=%d\n",
-                        ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, target_id, bus));
+                "writeIOCPage4: MaxSEP=%d ActiveSEP=%d channel=%d id=%d \n",
+                        ioc->name, IOCPage4Ptr->MaxSEP, IOCPage4Ptr->ActiveSEP, channel, id));
 
         mpt_put_msg_frame(ioc->DoneCtx, ioc, mf);
 
@@ -3343,7 +3211,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
                 pScsiReq->Function = MPI_FUNCTION_RAID_SCSI_IO_PASSTHROUGH;
         } else {
                 pScsiReq->TargetID = io->id;
-                pScsiReq->Bus = io->bus;
+                pScsiReq->Bus = io->channel;
                 pScsiReq->ChainOffset = 0;
                 pScsiReq->Function = MPI_FUNCTION_SCSI_IO_REQUEST;
         }
@@ -3356,9 +3224,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
         pScsiReq->MsgFlags = mpt_msg_flags();
         /* MsgContext set in mpt_get_msg_fram call  */
 
-        for (ii=0; ii < 8; ii++)
-                pScsiReq->LUN[ii] = 0;
-        pScsiReq->LUN[1] = io->lun;
+        int_to_scsilun(io->lun, (struct scsi_lun *)pScsiReq->LUN);
 
         if (io->flags & MPT_ICFLAG_TAGGED_CMD)
                 pScsiReq->Control = cpu_to_le32(dir | MPI_SCSIIO_CONTROL_SIMPLEQ);
@@ -3379,7 +3245,7 @@ mptscsih_do_cmd(MPT_SCSI_HOST *hd, INTERNAL_CMD *io)
                                            + (my_idx * MPT_SENSE_BUFFER_ALLOC));
 
         ddvprintk((MYIOC_s_INFO_FMT "Sending Command 0x%x for (%d:%d:%d)\n",
-                        hd->ioc->name, cmd, io->bus, io->id, io->lun));
+                        hd->ioc->name, cmd, io->channel, io->id, io->lun));
 
         if (dir == MPI_SCSIIO_CONTROL_READ) {
                 mpt_add_sge((char *) &pScsiReq->SGL,
@@ -3462,9 +3328,9 @@ mptscsih_synchronize_cache(MPT_SCSI_HOST *hd, VirtDevice *vdevice)
         iocmd.data_dma = -1;
         iocmd.size = 0;
         iocmd.rsvd = iocmd.rsvd2 = 0;
-        iocmd.bus = vdevice->vtarget->bus_id;
-        iocmd.id = vdevice->vtarget->target_id;
-        iocmd.lun = (u8)vdevice->lun;
+        iocmd.channel = vdevice->vtarget->channel;
+        iocmd.id = vdevice->vtarget->id;
+        iocmd.lun = vdevice->lun;
 
         if ((vdevice->vtarget->type == TYPE_DISK) &&
             (vdevice->configured_lun))
@@ -3480,9 +3346,6 @@ EXPORT_SYMBOL(mptscsih_resume);
 EXPORT_SYMBOL(mptscsih_proc_info);
 EXPORT_SYMBOL(mptscsih_info);
 EXPORT_SYMBOL(mptscsih_qcmd);
-EXPORT_SYMBOL(mptscsih_target_alloc);
-EXPORT_SYMBOL(mptscsih_slave_alloc);
-EXPORT_SYMBOL(mptscsih_target_destroy);
 EXPORT_SYMBOL(mptscsih_slave_destroy);
 EXPORT_SYMBOL(mptscsih_slave_configure);
 EXPORT_SYMBOL(mptscsih_abort);