isci: combine request flags

[karo-tx-linux.git] / drivers / scsi / isci / request.c

diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c
index 55859d5331b13a58b2f109a3f8732d4237db4edc..27376ba2248380563a748c733e3b6102d567003d 100644 (file)
--- a/drivers/scsi/isci/request.c
+++ b/drivers/scsi/isci/request.c
@@ -2183,7 +2183,7 @@ static void isci_request_set_open_reject_status(
        enum sas_open_rej_reason open_rej_reason)
 {
        /* Task in the target is done. */
-       request->complete_in_target       = true;
+       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
        *response_ptr                     = SAS_TASK_UNDELIVERED;
        *status_ptr                       = SAS_OPEN_REJECT;
        *complete_to_host_ptr             = isci_perform_normal_io_completion;
@@ -2248,7 +2248,7 @@ static void isci_request_handle_controller_specific_errors(
                        else
                                *status_ptr = SAS_ABORTED_TASK;
 
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                        *complete_to_host_ptr =
                                isci_perform_normal_io_completion;
@@ -2261,7 +2261,7 @@ static void isci_request_handle_controller_specific_errors(
                        else
                                *status_ptr = SAM_STAT_TASK_ABORTED;
 
-                       request->complete_in_target = false;
+                       clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                        *complete_to_host_ptr =
                                isci_perform_error_io_completion;
@@ -2292,7 +2292,7 @@ static void isci_request_handle_controller_specific_errors(
                else
                        *status_ptr = SAS_ABORTED_TASK;
 
-               request->complete_in_target = true;
+               set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                *complete_to_host_ptr = isci_perform_normal_io_completion;
                break;
@@ -2397,11 +2397,11 @@ static void isci_request_handle_controller_specific_errors(
                *status_ptr = SAM_STAT_TASK_ABORTED;
 
                if (task->task_proto == SAS_PROTOCOL_SMP) {
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                        *complete_to_host_ptr = isci_perform_normal_io_completion;
                } else {
-                       request->complete_in_target = false;
+                       clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                        *complete_to_host_ptr = isci_perform_error_io_completion;
                }
@@ -2552,7 +2552,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                 *
                 * The target is still there (since the TMF was successful).
                 */
-               request->complete_in_target = true;
+               set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                response = SAS_TASK_COMPLETE;
 
                /* See if the device has been/is being stopped. Note
@@ -2579,7 +2579,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                 * Aborting also means an external thread is explicitly managing
                 * this request, so that we do not complete it up the stack.
                 */
-               request->complete_in_target = true;
+               set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                response = SAS_TASK_UNDELIVERED;
 
                if (!idev)
@@ -2605,7 +2605,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                 * the device (reset, tear down, etc.), and the I/O needs
                 * to be completed up the stack.
                 */
-               request->complete_in_target = true;
+               set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                response = SAS_TASK_UNDELIVERED;
 
                /* See if the device has been/is being stopped. Note
@@ -2675,7 +2675,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                        /* use the task status set in the task struct by the
                         * isci_request_process_response_iu call.
                         */
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                        response = task->task_status.resp;
                        status = task->task_status.stat;
                        break;
@@ -2685,7 +2685,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
 
                        response = SAS_TASK_COMPLETE;
                        status   = SAM_STAT_GOOD;
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
 
                        if (task->task_proto == SAS_PROTOCOL_SMP) {
                                void *rsp = &request->sci.smp.rsp;
@@ -2737,7 +2737,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                        /* The request was terminated explicitly.  No handling
                         * is needed in the SCSI error handler path.
                         */
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                        response = SAS_TASK_UNDELIVERED;
 
                        /* See if the device has been/is being stopped. Note
@@ -2777,7 +2777,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                        status = SAM_STAT_TASK_ABORTED;
 
                        complete_to_host = isci_perform_error_io_completion;
-                       request->complete_in_target = false;
+                       clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                        break;
 
                case SCI_FAILURE_RETRY_REQUIRED:
@@ -2790,7 +2790,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                                status = SAS_ABORTED_TASK;
 
                        complete_to_host = isci_perform_normal_io_completion;
-                       request->complete_in_target = true;
+                       set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                        break;
 
 
@@ -2813,10 +2813,10 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
                                status = SAS_ABORTED_TASK;
 
                        if (SAS_PROTOCOL_SMP == task->task_proto) {
-                               request->complete_in_target = true;
+                               set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                                complete_to_host = isci_perform_normal_io_completion;
                        } else {
-                               request->complete_in_target = false;
+                               clear_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
                                complete_to_host = isci_perform_error_io_completion;
                        }
                        break;
@@ -2870,7 +2870,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
         * terminated again, and to cause any calls into abort
         * task to recognize the already completed case.
         */
-       request->terminated = true;
+       set_bit(IREQ_TERMINATED, &request->flags);
 }
 
 static void scic_sds_request_started_state_enter(struct sci_base_state_machine *sm)
@@ -2919,7 +2919,7 @@ static void scic_sds_request_completed_state_enter(struct sci_base_state_machine
        struct isci_request *ireq = sci_req_to_ireq(sci_req);
 
        /* Tell the SCI_USER that the IO request is complete */
-       if (sci_req->is_task_management_request == false)
+       if (!test_bit(IREQ_TMF, &ireq->flags))
                isci_request_io_request_complete(ihost, ireq,
                                                 sci_req->sci_status);
        else
@@ -3032,8 +3032,6 @@ scic_sds_general_request_construct(struct scic_sds_controller *scic,
        sci_req->scu_status   = 0;
        sci_req->post_context = 0xFFFFFFFF;
        sci_req->tc = &scic->task_context_table[ISCI_TAG_TCI(io_tag)];
-
-       sci_req->is_task_management_request = false;
        WARN_ONCE(io_tag == SCI_CONTROLLER_INVALID_IO_TAG, "straggling invalid tag usage\n");
 }
 
@@ -3077,7 +3075,7 @@ enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
 
        if (dev->dev_type == SAS_END_DEV ||
            dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
-               sci_req->is_task_management_request = true;
+               set_bit(IREQ_TMF, &sci_req_to_ireq(sci_req)->flags);
                memset(sci_req->tc, 0, sizeof(struct scu_task_context));
        } else
                status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
@@ -3379,12 +3377,8 @@ static struct isci_request *isci_request_alloc_core(struct isci_host *ihost,
        ireq->request_daddr = handle;
        ireq->isci_host = ihost;
        ireq->io_request_completion = NULL;
-       ireq->terminated = false;
-
+       ireq->flags = 0;
        ireq->num_sg_entries = 0;
-
-       ireq->complete_in_target = false;
-
        INIT_LIST_HEAD(&ireq->completed_node);
        INIT_LIST_HEAD(&ireq->dev_node);
 
@@ -3496,7 +3490,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
                 * hardware, so clear the request handle
                 * here so no terminations will be done.
                 */
-               ireq->terminated = true;
+               set_bit(IREQ_TERMINATED, &ireq->flags);
                isci_request_change_state(ireq, completed);
        }
        spin_unlock_irqrestore(&ihost->scic_lock, flags);