[SCSI] qla2xxx: T10 DIF Type 2 support

Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com>
Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index aeb2f1b504c4..ff2172da7c19 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -2147,7 +2147,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         host->this_id = 255;
         host->cmd_per_lun = 3;
         host->unique_id = host->host_no;
-        host->max_cmd_len = MAX_CMDSZ;
+        if ((IS_QLA25XX(ha) || IS_QLA81XX(ha)) && ql2xenabledif)
+                host->max_cmd_len = 32;
+        else
+                host->max_cmd_len = MAX_CMDSZ;
         host->max_channel = MAX_BUSES - 1;
         host->max_lun = MAX_LUNS;
         host->transportt = qla2xxx_transport_template;
@@ -2255,8 +2258,10 @@ skip_dpc:
                             " protection.\n"));
                         scsi_host_set_prot(host,
                             SHOST_DIF_TYPE1_PROTECTION
+                            | SHOST_DIF_TYPE2_PROTECTION
                             | SHOST_DIF_TYPE3_PROTECTION
                             | SHOST_DIX_TYPE1_PROTECTION
+                            | SHOST_DIX_TYPE2_PROTECTION
                             | SHOST_DIX_TYPE3_PROTECTION);
                         scsi_host_set_guard(host, SHOST_DIX_GUARD_CRC);
                 } else