isci: Add protocol indicator for TMF requests.

Requests contructed as task management requests need to have the protocol
indicator set so the completion decode can observe any RNC suspension
conditions.

Signed-off-by: Jeff Skirvin <jeffrey.d.skirvin@intel.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 432585b04dc2..415d5f55d1c6 100644
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -3130,6 +3130,12 @@ enum sci_status sci_task_request_construct(struct isci_host *ihost,
         if (dev->dev_type == SAS_END_DEV || dev_is_sata(dev)) {
                 set_bit(IREQ_TMF, &ireq->flags);
                 memset(ireq->tc, 0, sizeof(struct scu_task_context));
+
+                /* Set the protocol indicator. */
+                if (dev_is_sata(dev))
+                        ireq->protocol = SAS_PROTOCOL_STP;
+                else
+                        ireq->protocol = SAS_PROTOCOL_SSP;
         } else
                 status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;