diff options
| author | Arun Easi <arun.easi@qlogic.com> | 2012-08-22 14:21:31 -0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2012-09-24 12:10:54 +0400 |
| commit | 9e522cd8f3dd7d19b644fc9cfc372bebde9f0053 (patch) | |
| tree | cf4b8e44ce34c2f206bb3d07b3c75f8959f2f471 /drivers/scsi/qla2xxx/qla_os.c | |
| parent | cb860bbd6b4b12cb56640fefceeaffb526eb7ac5 (diff) | |
| download | blackbird-op-linux-9e522cd8f3dd7d19b644fc9cfc372bebde9f0053.tar.gz blackbird-op-linux-9e522cd8f3dd7d19b644fc9cfc372bebde9f0053.zip | |
[SCSI] qla2xxx: T10 DIF - ISP83xx changes.
Signed-off-by: Arun Easi <arun.easi@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx/qla_os.c')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_os.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 1020db5c33f9..ec7cefcb6722 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -116,9 +116,8 @@ MODULE_PARM_DESC(ql2xmaxqdepth, "Maximum queue depth to set for each LUN. " "Default is 32."); -/* Do not change the value of this after module load */ -int ql2xenabledif = 0; -module_param(ql2xenabledif, int, S_IRUGO|S_IWUSR); +int ql2xenabledif = 2; +module_param(ql2xenabledif, int, S_IRUGO); MODULE_PARM_DESC(ql2xenabledif, " Enable T10-CRC-DIF " " Default is 0 - No DIF Support. 1 - Enable it" @@ -1358,6 +1357,9 @@ qla2xxx_slave_configure(struct scsi_device *sdev) scsi_qla_host_t *vha = shost_priv(sdev->host); struct req_que *req = vha->req; + if (IS_T10_PI_CAPABLE(vha->hw)) + blk_queue_update_dma_alignment(sdev->request_queue, 0x7); + if (sdev->tagged_supported) scsi_activate_tcq(sdev, req->max_q_depth); else @@ -2574,7 +2576,7 @@ skip_dpc: if (IS_T10_PI_CAPABLE(ha) && ql2xenabledif) { if (ha->fw_attributes & BIT_4) { - int prot = 0; + int prot = 0, guard; base_vha->flags.difdix_supported = 1; ql_dbg(ql_dbg_init, base_vha, 0x00f1, "Registering for DIF/DIX type 1 and 3 protection.\n"); @@ -2587,7 +2589,14 @@ skip_dpc: | SHOST_DIX_TYPE1_PROTECTION | SHOST_DIX_TYPE2_PROTECTION | SHOST_DIX_TYPE3_PROTECTION); - scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC); + + guard = SHOST_DIX_GUARD_CRC; + + if (IS_PI_IPGUARD_CAPABLE(ha) && + (ql2xenabledif > 1 || IS_PI_DIFB_DIX0_CAPABLE(ha))) + guard |= SHOST_DIX_GUARD_IP; + + scsi_host_set_guard(host, guard); } else base_vha->flags.difdix_supported = 0; } |
