[SCSI] fusion - adding raid support in mptsas
The SAS RAID volumes are reported beyond the expected number of phys.
Signed-off-by: Eric Moore <Eric.Moore@lsil.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 668a101..5a06d8d 100644
--- a/drivers/message/fusion/mptsas.c
+++ b/drivers/message/fusion/mptsas.c
@@ -274,6 +274,16 @@
hd->Targets[sdev->id] = vtarget;
}
+ /*
+ RAID volumes placed beyond the last expected port.
+ */
+ if (sdev->channel == hd->ioc->num_ports) {
+ vdev->target_id = sdev->id;
+ vdev->bus_id = 0;
+ vdev->lun = 0;
+ goto out;
+ }
+
rphy = dev_to_rphy(sdev->sdev_target->dev.parent);
mutex_lock(&hd->ioc->sas_topology_mutex);
list_for_each_entry(p, &hd->ioc->sas_topology, list) {
@@ -284,6 +294,7 @@
p->phy_info[i].attached.id;
vdev->bus_id = p->phy_info[i].attached.channel;
vdev->lun = sdev->lun;
+ mutex_unlock(&hd->ioc->sas_topology_mutex);
goto out;
}
}
@@ -295,7 +306,6 @@
return -ENODEV;
out:
- mutex_unlock(&hd->ioc->sas_topology_mutex);
vtarget->ioc_id = vdev->ioc_id;
vtarget->target_id = vdev->target_id;
vtarget->bus_id = vdev->bus_id;
@@ -1051,6 +1061,7 @@
if (error)
goto out_free_port_info;
+ ioc->num_ports = port_info->num_phys;
mutex_lock(&ioc->sas_topology_mutex);
list_add_tail(&port_info->list, &ioc->sas_topology);
mutex_unlock(&ioc->sas_topology_mutex);
@@ -1585,6 +1596,20 @@
mptsas_scan_sas_topology(ioc);
+ /*
+ Reporting RAID volumes.
+ */
+ if (!ioc->raid_data.pIocPg2)
+ return 0;
+ if (!ioc->raid_data.pIocPg2->NumActiveVolumes)
+ return 0;
+ for (ii=0;ii<ioc->raid_data.pIocPg2->NumActiveVolumes;ii++) {
+ scsi_add_device(sh,
+ ioc->num_ports,
+ ioc->raid_data.pIocPg2->RaidVolume[ii].VolumeID,
+ 0);
+ }
+
return 0;
out_mptsas_probe: