aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTyrel Datwyler <[email protected]>2020-11-17 12:50:31 -0600
committerMartin K. Petersen <[email protected]>2020-11-19 22:04:13 -0500
commit2aa0102c6688306548d81a958a6293936904ca75 (patch)
tree34105175f06b71a977ccde36f17acd6a813d7b07
parent4e0716199ab656815c14de41740b658bb918e85e (diff)
scsi: ibmvfc: Use correlation token to tag commands
The vfcFrame correlation field is a 64bit handle that is intended to trace I/O operations through both the client stack and VIOS stack when the underlying physical FC adapter supports tagging. Tag vfcFrames with the associated ibmvfc_event pointer handle. Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Tyrel Datwyler <[email protected]> Signed-off-by: Martin K. Petersen <[email protected]>
-rw-r--r--drivers/scsi/ibmvscsi/ibmvfc.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c
index 0cab4b852b48..3922441a117d 100644
--- a/drivers/scsi/ibmvscsi/ibmvfc.c
+++ b/drivers/scsi/ibmvscsi/ibmvfc.c
@@ -1693,6 +1693,8 @@ static int ibmvfc_queuecommand_lck(struct scsi_cmnd *cmnd,
vfc_cmd->iu.pri_task_attr = IBMVFC_SIMPLE_TASK;
}
+ vfc_cmd->correlation = cpu_to_be64(evt);
+
if (likely(!(rc = ibmvfc_map_sg_data(cmnd, evt, vfc_cmd, vhost->dev))))
return ibmvfc_send_event(evt, vhost, 0);
@@ -2370,6 +2372,8 @@ static int ibmvfc_abort_task_set(struct scsi_device *sdev)
tmf->iu.tmf_flags = IBMVFC_ABORT_TASK_SET;
evt->sync_iu = &rsp_iu;
+ tmf->correlation = cpu_to_be64(evt);
+
init_completion(&evt->comp);
rsp_rc = ibmvfc_send_event(evt, vhost, default_timeout);
}