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| author | Eric Moore <eric.moore@lsi.com> | 2010-04-22 10:47:40 -0600 |
|---|---|---|
| committer | James Bottomley <James.Bottomley@suse.de> | 2010-07-27 12:00:59 -0500 |
| commit | d334aa79786a878e90af5b5c1b14109c1df85820 (patch) | |
| tree | b957a6e52da6fbb9acf2637932cd856b79cb95f9 /drivers/scsi/mpt2sas/mpt2sas_scsih.c | |
| parent | 8f83d7688026729c9d356d865f65a8996f090048 (diff) | |
| download | blackbird-op-linux-d334aa79786a878e90af5b5c1b14109c1df85820.tar.gz blackbird-op-linux-d334aa79786a878e90af5b5c1b14109c1df85820.zip | |
[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>
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_scsih.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_scsih.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_scsih.c b/drivers/scsi/mpt2sas/mpt2sas_scsih.c index c5ff26a2a51d..456ea7c3b099 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_scsih.c +++ b/drivers/scsi/mpt2sas/mpt2sas_scsih.c @@ -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 */ |
