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[SCSI] mpt2sas: DIF Type 2 Protection Support 

Adding DIF Type 2 protection support, as well as turning on 32 byte cdb's,
and setting the cdb length for > 16 byte in the SCSI_IO->control parameter.

Signed-off-by: Martin Petersen <martin.petersen@oracle.com>
Signed-off-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
This commit is contained in:
Eric Moore 2010-04-22 10:47:40 -06:00 committed by James Bottomley
parent 8f83d76880
commit d334aa7978
2 changed files with 14 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/scsi/mpt2sas/mpt2sas_base.h
View File

@ -69,11 +69,11 @@
#define MPT2SAS_DRIVER_NAME "mpt2sas"
#define MPT2SAS_AUTHOR "LSI Corporation <DL-MPTFusionLinux@lsi.com>"
#define MPT2SAS_DESCRIPTION "LSI MPT Fusion SAS 2.0 Device Driver"
#define MPT2SAS_DRIVER_VERSION "05.100.00.02"
#define MPT2SAS_DRIVER_VERSION "05.100.00.03"
#define MPT2SAS_MAJOR_VERSION 05
#define MPT2SAS_MINOR_VERSION 100
#define MPT2SAS_BUILD_VERSION 00
#define MPT2SAS_RELEASE_VERSION 02
#define MPT2SAS_RELEASE_VERSION 03
/*
* Set MPT2SAS_SG_DEPTH value based on user input.

18
drivers/scsi/mpt2sas/mpt2sas_scsih.c
View File

@ -2858,9 +2858,7 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
unsigned char prot_op = scsi_get_prot_op(scmd);
unsigned char prot_type = scsi_get_prot_type(scmd);
if (prot_type == SCSI_PROT_DIF_TYPE0 ||
prot_type == SCSI_PROT_DIF_TYPE2 ||
prot_op == SCSI_PROT_NORMAL)
if (prot_type == SCSI_PROT_DIF_TYPE0 || prot_op == SCSI_PROT_NORMAL)
return;
if (prot_op == SCSI_PROT_READ_STRIP)
@ -2882,7 +2880,13 @@ _scsih_setup_eedp(struct scsi_cmnd *scmd, Mpi2SCSIIORequest_t *mpi_request)
MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD;
mpi_request->CDB.EEDP32.PrimaryReferenceTag =
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:
@ -3013,7 +3017,7 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
/* Make sure Device is not raid volume */
if (!_scsih_is_raid(&scmd->device->sdev_gendev) &&
sas_is_tlr_enabled(scmd->device))
sas_is_tlr_enabled(scmd->device) && scmd->cmd_len != 32)
mpi_control |= MPI2_SCSIIO_CONTROL_TLR_ON;
smid = mpt2sas_base_get_smid_scsiio(ioc, ioc->scsi_io_cb_idx, scmd);
@ -3025,6 +3029,8 @@ _scsih_qcmd(struct scsi_cmnd *scmd, void (*done)(struct scsi_cmnd *))
mpi_request = mpt2sas_base_get_msg_frame(ioc, smid);
memset(mpi_request, 0, sizeof(Mpi2SCSIIORequest_t));
_scsih_setup_eedp(scmd, mpi_request);
if (scmd->cmd_len == 32)
mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
mpi_request->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
if (sas_device_priv_data->sas_target->flags &
MPT_TARGET_FLAGS_RAID_COMPONENT)
@ -6567,7 +6573,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
INIT_LIST_HEAD(&ioc->delayed_tr_list);
/* init shost parameters */
shost->max_cmd_len = 16;
shost->max_cmd_len = 32;
shost->max_lun = max_lun;
shost->transportt = mpt2sas_transport_template;
shost->unique_id = ioc->id;
@ -6580,7 +6586,7 @@ _scsih_probe(struct pci_dev *pdev, const struct pci_device_id *id)
}
scsi_host_set_prot(shost, SHOST_DIF_TYPE1_PROTECTION
| SHOST_DIF_TYPE3_PROTECTION);
| SHOST_DIF_TYPE2_PROTECTION | SHOST_DIF_TYPE3_PROTECTION);
scsi_host_set_guard(shost, SHOST_DIX_GUARD_CRC);
/* event thread */