diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/request.c | 35 | ||||
| -rw-r--r-- | drivers/scsi/isci/task.h | 27 |
2 files changed, 52 insertions, 10 deletions
diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 8bd1f7dbad37..3a891d32c331 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -2508,9 +2508,16 @@ static void isci_request_handle_controller_specific_errors( /* Task in the target is not done. */ *response_ptr = SAS_TASK_UNDELIVERED; *status_ptr = SAM_STAT_TASK_ABORTED; - request->complete_in_target = false; - *complete_to_host_ptr = isci_perform_error_io_completion; + if (task->task_proto == SAS_PROTOCOL_SMP) { + request->complete_in_target = true; + + *complete_to_host_ptr = isci_perform_normal_io_completion; + } else { + request->complete_in_target = false; + + *complete_to_host_ptr = isci_perform_error_io_completion; + } break; } } @@ -2882,6 +2889,21 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, request->complete_in_target = false; break; + case SCI_FAILURE_RETRY_REQUIRED: + + /* Fail the I/O so it can be retried. */ + response = SAS_TASK_UNDELIVERED; + if ((isci_device->status == isci_stopping) || + (isci_device->status == isci_stopped)) + status = SAS_DEVICE_UNKNOWN; + else + status = SAS_ABORTED_TASK; + + complete_to_host = isci_perform_normal_io_completion; + request->complete_in_target = true; + break; + + default: /* Catch any otherwise unhandled error codes here. */ dev_warn(&isci_host->pdev->dev, @@ -2901,8 +2923,13 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, else status = SAS_ABORTED_TASK; - complete_to_host = isci_perform_error_io_completion; - request->complete_in_target = false; + if (SAS_PROTOCOL_SMP == task->task_proto) { + request->complete_in_target = true; + complete_to_host = isci_perform_normal_io_completion; + } else { + request->complete_in_target = false; + complete_to_host = isci_perform_error_io_completion; + } break; } break; diff --git a/drivers/scsi/isci/task.h b/drivers/scsi/isci/task.h index 432b81aecd47..c8dd075d2be2 100644 --- a/drivers/scsi/isci/task.h +++ b/drivers/scsi/isci/task.h @@ -301,6 +301,27 @@ isci_task_set_completion_status( task->task_status.stat = status; switch (task_notification_selection) { + + case isci_perform_error_io_completion: + + if (task->task_proto == SAS_PROTOCOL_SMP) { + /* There is no error escalation in the SMP case. + * Convert to a normal completion to avoid the + * timeout in the discovery path and to let the + * next action take place quickly. + */ + task_notification_selection + = isci_perform_normal_io_completion; + + /* Fall through to the normal case... */ + } else { + /* Use sas_task_abort */ + /* Leave SAS_TASK_STATE_DONE clear + * Leave SAS_TASK_AT_INITIATOR set. + */ + break; + } + case isci_perform_aborted_io_completion: /* This path can occur with task-managed requests as well as * requests terminated because of LUN or device resets. @@ -313,12 +334,6 @@ isci_task_set_completion_status( default: WARN_ONCE(1, "unknown task_notification_selection: %d\n", task_notification_selection); - /* Fall through to the error case... */ - case isci_perform_error_io_completion: - /* Use sas_task_abort */ - /* Leave SAS_TASK_STATE_DONE clear - * Leave SAS_TASK_AT_INITIATOR set. - */ break; } |