[SCSI] qla2xxx: Implement FCP priority tagging for 82xx adapters.

This provides a capability to set a priority in the FCP packet.

Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 9 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_iocb.c b/drivers/scsi/qla2xxx/qla_iocb.c
index d2cc0ccfc202..841ffb34d416 100644
--- a/drivers/scsi/qla2xxx/qla_iocb.c
+++ b/drivers/scsi/qla2xxx/qla_iocb.c
@@ -2432,6 +2432,11 @@ sufficient_dsds:
                         }
                 }
 
+                /* Populate the FCP_PRIO. */
+                if (ha->flags.fcp_prio_enabled)
+                        ctx->fcp_cmnd->task_attribute |=
+                            sp->fcport->fcp_prio << 3;
+
                 memcpy(ctx->fcp_cmnd->cdb, cmd->cmnd, cmd->cmd_len);
 
                 fcp_dl = (uint32_t *)(ctx->fcp_cmnd->cdb + 16 +
@@ -2501,6 +2506,10 @@ sufficient_dsds:
                         }
                 }
 
+                /* Populate the FCP_PRIO. */
+                if (ha->flags.fcp_prio_enabled)
+                        cmd_pkt->task |= sp->fcport->fcp_prio << 3;
+
                 /* Load SCSI command packet. */
                 memcpy(cmd_pkt->fcp_cdb, cmd->cmnd, cmd->cmd_len);
                 host_to_fcp_swap(cmd_pkt->fcp_cdb, sizeof(cmd_pkt->fcp_cdb));