[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>
diff --git a/drivers/message/fusion/mptsas.c b/drivers/message/fusion/mptsas.c
index 09e9a9d..f7c5e0d 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -83,6 +83,12 @@
" 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 @@
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 @@
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 @@
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 @@
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 @@
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 @@
* 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 @@
{
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 @@
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 @@
* 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 @@
*/
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 @@
/* 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 @@
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;