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[SCSI] fusion - exposing raid components in mptsas

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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>
This commit is contained in:
Moore, Eric
2006-03-14 09:14:21 -07:00
committed by James Bottomley
parent db9c9174e4
commit f44e5461d9
3 changed files with 107 additions and 27 deletions
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21
drivers/message/fusion/mptscsih.c
View File

@@ -1235,7 +1235,8 @@ mptscsih_qcmd(struct scsi_cmnd *SCpnt, void (*done)(struct scsi_cmnd *))
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 @@ mptscsih_bios_param(struct scsi_device * sdev, struct block_device *bdev,
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)
{