[SCSI] fusion - exposing raid components in mptsas
Suppport for exposing hidden raid components
for sg interface. The sdev->no_uld_attach flag
will set set accordingly.
The sas module supports adding/removing raid
volumes using online storage management application
interface.
This patch rely's on patch's provided to me
by Christoph Hellwig, that exports device_reprobe.
I will post those patch's on behalf of Christoph.
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/message/fusion/mptscsih.c b/drivers/message/fusion/mptscsih.c
index c99a918..3729062 100644
--- a/drivers/message/fusion/mptscsih.c
+++ b/drivers/message/fusion/mptscsih.c
@@ -1235,7 +1235,8 @@
return SCSI_MLQUEUE_HOST_BUSY;
}
- if (vdev->vtarget->tflags & MPT_TARGET_FLAGS_RAID_COMPONENT &&
+ 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);
@@ -2103,6 +2104,24 @@
return 0;
}
+/* Search IOC page 3 to determine if this is hidden physical disk
+ *
+ */
+int
+mptscsih_is_phys_disk(MPT_ADAPTER *ioc, int id)
+{
+ int i;
+
+ if (!ioc->raid_data.isRaid || !ioc->raid_data.pIocPg3)
+ return 0;
+ 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)
{