diff options
Diffstat (limited to 'drivers/scsi/isci/remote_device.c')
-rw-r--r-- | drivers/scsi/isci/remote_device.c | 92 |
1 files changed, 45 insertions, 47 deletions
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index 5a86bb1e96df..c7cb0c54df57 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -94,7 +94,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost, scic_controller_terminate_request(&ihost->sci, &idev->sci, - &ireq->sci); + ireq); } /* Fall through into the default case... */ default: @@ -142,14 +142,13 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds for (i = 0; i < SCI_MAX_IO_REQUESTS && i < request_count; i++) { struct isci_request *ireq = ihost->reqs[i]; - struct scic_sds_request *sci_req = &ireq->sci; enum sci_status s; if (!test_bit(IREQ_ACTIVE, &ireq->flags) || - sci_req->target_device != sci_dev) + ireq->target_device != sci_dev) continue; - s = scic_controller_terminate_request(scic, sci_dev, sci_req); + s = scic_controller_terminate_request(scic, sci_dev, ireq); if (s != SCI_SUCCESS) status = s; } @@ -299,7 +298,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi case SCI_DEV_STOPPING: case SCI_DEV_FAILED: case SCI_DEV_RESETTING: { - struct scic_sds_request *sci_req; + struct isci_request *ireq; struct ssp_frame_hdr hdr; void *frame_header; ssize_t word_cnt; @@ -313,10 +312,10 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi word_cnt = sizeof(hdr) / sizeof(u32); sci_swab32_cpy(&hdr, frame_header, word_cnt); - sci_req = scic_request_by_tag(scic, be16_to_cpu(hdr.tag)); - if (sci_req && sci_req->target_device == sci_dev) { + ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag)); + if (ireq && ireq->target_device == sci_dev) { /* The IO request is now in charge of releasing the frame */ - status = scic_sds_io_request_frame_handler(sci_req, frame_index); + status = scic_sds_io_request_frame_handler(ireq, frame_index); } else { /* We could not map this tag to a valid IO * request Just toss the frame and continue @@ -448,14 +447,14 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi } static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req, + struct isci_request *ireq, enum sci_status status) { struct scic_sds_port *sci_port = sci_dev->owning_port; /* cleanup requests that failed after starting on the port */ if (status != SCI_SUCCESS) - scic_sds_port_complete_io(sci_port, sci_dev, sci_req); + scic_sds_port_complete_io(sci_port, sci_dev, ireq); else { kref_get(&sci_dev_to_idev(sci_dev)->kref); scic_sds_remote_device_increment_request_count(sci_dev); @@ -464,12 +463,11 @@ static void scic_sds_remote_device_start_request(struct scic_sds_remote_device * enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { struct sci_base_state_machine *sm = &sci_dev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; struct scic_sds_port *sci_port = sci_dev->owning_port; - struct isci_request *ireq = sci_req_to_ireq(sci_req); enum sci_status status; switch (state) { @@ -491,15 +489,15 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic * successful it will start the request for the port object then * increment its own request count. */ - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) break; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); break; case SCI_STP_DEV_IDLE: { /* handle the start io operation for a sata device that is in @@ -513,22 +511,22 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic enum scic_sds_remote_device_states new_state; struct sas_task *task = isci_request_access_task(ireq); - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) break; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); if (status != SCI_SUCCESS) break; if (task->ata_task.use_ncq) new_state = SCI_STP_DEV_NCQ; else { - sci_dev->working_request = sci_req; + sci_dev->working_request = ireq; new_state = SCI_STP_DEV_CMD; } sci_change_state(sm, new_state); @@ -538,15 +536,15 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic struct sas_task *task = isci_request_access_task(ireq); if (task->ata_task.use_ncq) { - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) break; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); } else return SCI_FAILURE_INVALID_STATE; break; @@ -554,19 +552,19 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic case SCI_STP_DEV_AWAIT_RESET: return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED; case SCI_SMP_DEV_IDLE: - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) break; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); if (status != SCI_SUCCESS) break; - sci_dev->working_request = sci_req; + sci_dev->working_request = ireq; sci_change_state(&sci_dev->sm, SCI_SMP_DEV_CMD); break; case SCI_STP_DEV_CMD: @@ -577,21 +575,21 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic return SCI_FAILURE_INVALID_STATE; } - scic_sds_remote_device_start_request(sci_dev, sci_req, status); + scic_sds_remote_device_start_request(sci_dev, ireq, status); return status; } static enum sci_status common_complete_io(struct scic_sds_port *sci_port, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { enum sci_status status; - status = scic_sds_request_complete(sci_req); + status = scic_sds_request_complete(ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_port_complete_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_complete_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; @@ -601,7 +599,7 @@ static enum sci_status common_complete_io(struct scic_sds_port *sci_port, enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { struct sci_base_state_machine *sm = &sci_dev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; @@ -623,16 +621,16 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s case SCI_DEV_READY: case SCI_STP_DEV_AWAIT_RESET: case SCI_DEV_RESETTING: - status = common_complete_io(sci_port, sci_dev, sci_req); + status = common_complete_io(sci_port, sci_dev, ireq); break; case SCI_STP_DEV_CMD: case SCI_STP_DEV_NCQ: case SCI_STP_DEV_NCQ_ERROR: - status = common_complete_io(sci_port, sci_dev, sci_req); + status = common_complete_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) break; - if (sci_req->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) { + if (ireq->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) { /* This request causes hardware error, device needs to be Lun Reset. * So here we force the state machine to IDLE state so the rest IOs * can reach RNC state handler, these IOs will be completed by RNC with @@ -643,13 +641,13 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s sci_change_state(sm, SCI_STP_DEV_IDLE); break; case SCI_SMP_DEV_CMD: - status = common_complete_io(sci_port, sci_dev, sci_req); + status = common_complete_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) break; sci_change_state(sm, SCI_SMP_DEV_IDLE); break; case SCI_DEV_STOPPING: - status = common_complete_io(sci_port, sci_dev, sci_req); + status = common_complete_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) break; @@ -664,7 +662,7 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s dev_err(scirdev_to_dev(sci_dev), "%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x " "could not complete\n", __func__, sci_port, - sci_dev, sci_req, status); + sci_dev, ireq, status); else isci_put_device(sci_dev_to_idev(sci_dev)); @@ -682,7 +680,7 @@ static void scic_sds_remote_device_continue_request(void *dev) enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { struct sci_base_state_machine *sm = &sci_dev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; @@ -708,15 +706,15 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc case SCI_STP_DEV_NCQ: case SCI_STP_DEV_NCQ_ERROR: case SCI_STP_DEV_AWAIT_RESET: - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) goto out; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); if (status != SCI_SUCCESS) goto out; @@ -724,7 +722,7 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * replace the request that probably resulted in the task * management request. */ - sci_dev->working_request = sci_req; + sci_dev->working_request = ireq; sci_change_state(sm, SCI_STP_DEV_CMD); /* The remote node context must cleanup the TCi to NCQ mapping @@ -741,25 +739,25 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc sci_dev); out: - scic_sds_remote_device_start_request(sci_dev, sci_req, status); + scic_sds_remote_device_start_request(sci_dev, ireq, status); /* We need to let the controller start request handler know that * it can't post TC yet. We will provide a callback function to * post TC when RNC gets resumed. */ return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS; case SCI_DEV_READY: - status = scic_sds_port_start_io(sci_port, sci_dev, sci_req); + status = scic_sds_port_start_io(sci_port, sci_dev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, sci_req); + status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); if (status != SCI_SUCCESS) break; - status = scic_sds_request_start(sci_req); + status = scic_sds_request_start(ireq); break; } - scic_sds_remote_device_start_request(sci_dev, sci_req, status); + scic_sds_remote_device_start_request(sci_dev, ireq, status); return status; } |