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

[powerpc.git] / drivers / message / fusion / mptsas.c

diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 09e9a9d..f7c5e0d 100644 (file)
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -83,6 +83,12 @@ MODULE_PARM_DESC(mpt_pt_clear,
                " Clear persistency table: enable=1  "
                "(default=MPTSCSIH_PT_CLEAR=0)");
 
+/* scsi-mid layer global parmeter is max_report_luns, which is 511 */
+#define MPTSAS_MAX_LUN (16895)
+static int max_lun = MPTSAS_MAX_LUN;
+module_param(max_lun, int, 0);
+MODULE_PARM_DESC(max_lun, " max lun, default=16895 ");
+
 static int     mptsasDoneCtx = -1;
 static int     mptsasTaskCtx = -1;
 static int     mptsasInternalCtx = -1; /* Used only for internal commands */
@@ -568,12 +574,12 @@ mptsas_target_reset(MPT_ADAPTER *ioc, VirtTarget * vtarget)
 
        if (mptscsih_TMHandler(hd,
             MPI_SCSITASKMGMT_TASKTYPE_TARGET_RESET,
-            vtarget->bus_id, vtarget->target_id, 0, 0, 5) < 0) {
+            vtarget->channel, vtarget->id, 0, 0, 5) < 0) {
                hd->tmPending = 0;
                hd->tmState = TM_STATE_NONE;
                printk(MYIOC_s_WARN_FMT
               "Error processing TaskMgmt id=%d TARGET_RESET\n",
-                       ioc->name, vtarget->target_id);
+                       ioc->name, vtarget->id);
        }
 }
 
@@ -661,8 +667,7 @@ mptsas_target_alloc(struct scsi_target *starget)
        struct Scsi_Host *host = dev_to_shost(&starget->dev);
        MPT_SCSI_HOST           *hd = (MPT_SCSI_HOST *)host->hostdata;
        VirtTarget              *vtarget;
-       u32                     target_id;
-       u32                     channel;
+       u8                      id, channel;
        struct sas_rphy         *rphy;
        struct mptsas_portinfo  *p;
        int                      i;
@@ -673,15 +678,19 @@ mptsas_target_alloc(struct scsi_target *starget)
 
        vtarget->starget = starget;
        vtarget->ioc_id = hd->ioc->id;
-       vtarget->tflags = MPT_TARGET_FLAGS_Q_YES|MPT_TARGET_FLAGS_VALID_INQUIRY;
-
-       target_id = starget->id;
+       vtarget->tflags = MPT_TARGET_FLAGS_Q_YES;
+       id = starget->id;
        channel = 0;
 
-       hd->Targets[target_id] = vtarget;
-
-       if (starget->channel == MPTSAS_RAID_CHANNEL)
+       /*
+        * RAID volumes placed beyond the last expected port.
+        */
+       if (starget->channel == MPTSAS_RAID_CHANNEL) {
+               for (i=0; i < hd->ioc->raid_data.pIocPg2->NumActiveVolumes; i++)
+                       if (id == hd->ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID)
+                               channel = hd->ioc->raid_data.pIocPg2->RaidVolume[i].VolumeBus;
                goto out;
+       }
 
        rphy = dev_to_rphy(starget->dev.parent);
        mutex_lock(&hd->ioc->sas_topology_mutex);
@@ -690,16 +699,16 @@ mptsas_target_alloc(struct scsi_target *starget)
                        if (p->phy_info[i].attached.sas_address !=
                                        rphy->identify.sas_address)
                                continue;
-                       target_id = p->phy_info[i].attached.id;
+                       id = p->phy_info[i].attached.id;
                        channel = p->phy_info[i].attached.channel;
                        mptsas_set_starget(&p->phy_info[i], starget);
 
                        /*
                         * Exposing hidden raid components
                         */
-                       if (mptscsih_is_phys_disk(hd->ioc, target_id)) {
-                               target_id = mptscsih_raid_id_to_num(hd,
-                                               target_id);
+                       if (mptscsih_is_phys_disk(hd->ioc, channel, id)) {
+                               id = mptscsih_raid_id_to_num(hd->ioc,
+                                               channel, id);
                                vtarget->tflags |=
                                    MPT_TARGET_FLAGS_RAID_COMPONENT;
                        }
@@ -713,8 +722,8 @@ mptsas_target_alloc(struct scsi_target *starget)
        return -ENXIO;
 
  out:
-       vtarget->target_id = target_id;
-       vtarget->bus_id = channel;
+       vtarget->id = id;
+       vtarget->channel = channel;
        starget->hostdata = vtarget;
        return 0;
 }
@@ -786,7 +795,8 @@ mptsas_slave_alloc(struct scsi_device *sdev)
                         * Exposing hidden raid components
                         */
                        if (mptscsih_is_phys_disk(hd->ioc,
-                                       p->phy_info[i].attached.id))
+                           p->phy_info[i].attached.channel,
+                           p->phy_info[i].attached.id))
                                sdev->no_uld_attach = 1;
                        mutex_unlock(&hd->ioc->sas_topology_mutex);
                        goto out;
@@ -808,13 +818,14 @@ mptsas_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
 {
        VirtDevice      *vdev = SCpnt->device->hostdata;
 
-//     scsi_print_command(SCpnt);
-       if (vdev->vtarget->deleted) {
+       if (!vdev || !vdev->vtarget || vdev->vtarget->deleted) {
                SCpnt->result = DID_NO_CONNECT << 16;
                done(SCpnt);
                return 0;
        }
 
+//     scsi_print_command(SCpnt);
+
        return mptscsih_qcmd(SCpnt,done);
 }
 
@@ -1976,7 +1987,7 @@ mptsas_scan_sas_topology(MPT_ADAPTER *ioc)
                goto out;
        if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
                goto out;
-       for (i=0; i<ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
+       for (i = 0; i < ioc->raid_data.pIocPg2->NumActiveVolumes; i++) {
                scsi_add_device(ioc->sh, MPTSAS_RAID_CHANNEL,
                    ioc->raid_data.pIocPg2->RaidVolume[i].VolumeID, 0);
        }
@@ -2160,7 +2171,7 @@ mptsas_hotplug_work(struct work_struct *work)
                         * Handling  RAID components
                         */
                        if (ev->phys_disk_num_valid) {
-                               vtarget->target_id = ev->phys_disk_num;
+                               vtarget->id = ev->phys_disk_num;
                                vtarget->tflags |= MPT_TARGET_FLAGS_RAID_COMPONENT;
                                mptsas_reprobe_target(starget, 1);
                                break;
@@ -2233,7 +2244,7 @@ mptsas_hotplug_work(struct work_struct *work)
                         */
                        if (vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT) {
                                vtarget->tflags &= ~MPT_TARGET_FLAGS_RAID_COMPONENT;
-                               vtarget->target_id = ev->id;
+                               vtarget->id = ev->id;
                                mptsas_reprobe_target(starget, 0);
                        }
                        break;
@@ -2611,12 +2622,11 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        /* set 16 byte cdb's */
        sh->max_cmd_len = 16;
 
-       sh->max_id = ioc->pfacts->MaxDevices + 1;
+       sh->max_id = ioc->pfacts[0].PortSCSIID;
+       sh->max_lun = max_lun;
 
        sh->transportt = mptsas_transport_template;
 
-       sh->max_lun = MPT_LAST_LUN + 1;
-       sh->max_channel = 0;
        sh->this_id = ioc->pfacts[0].PortSCSIID;
 
        /* Required entry.
@@ -2676,19 +2686,6 @@ mptsas_probe(struct pci_dev *pdev, const struct pci_device_id *id)
        dprintk((MYIOC_s_INFO_FMT "ScsiLookup @ %p\n",
                 ioc->name, hd->ScsiLookup));
 
-       /* Allocate memory for the device structures.
-        * A non-Null pointer at an offset
-        * indicates a device exists.
-        * max_id = 1 + maximum id (hosts.h)
-        */
-       hd->Targets = kcalloc(sh->max_id, sizeof(void *), GFP_ATOMIC);
-       if (!hd->Targets) {
-               error = -ENOMEM;
-               goto out_mptsas_probe;
-       }
-
-       dprintk((KERN_INFO "  vtarget @ %p\n", hd->Targets));
-
        /* Clear the TM flags
         */
        hd->tmPending = 0;