[PATCH] mpt2sas: Fix missing reference tag seed with Type 2 devices

Martin K. Petersen
2011-03-08T06:59:53Z

Ensure that the initial reference tag is passed on to the HBA firmware
for DIF Type 2 devices.

Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
index 16e99b6..f423fe9 100644
--- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c
+++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c
@@ -3230,6 +3230,7 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)

switch (prot_type) {
case SCSI_PROT_DIF_TYPE1:
+ case SCSI_PROT_DIF_TYPE2:

/*
* enable ref/guard checking
@@ -3242,13 +3243,6 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
cpu_to_be32(scsi_get_lba(scmd));
break;

- case SCSI_PROT_DIF_TYPE2:
-
- eedp_flags |= MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
- MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
- break;
-
case SCSI_PROT_DIF_TYPE3:

/*