diff options
Diffstat (limited to 'drivers/scsi/isci/remote_device.c')
-rw-r--r-- | drivers/scsi/isci/remote_device.c | 396 |
1 files changed, 195 insertions, 201 deletions
diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index 627cf731bad..3b0234049a3 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -93,7 +93,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost, __func__, idev, ireq); scic_controller_terminate_request(&ihost->sci, - &idev->sci, + idev, ireq); } /* Fall through into the default case... */ @@ -127,15 +127,15 @@ static void isci_remote_device_ready(struct isci_host *ihost, struct isci_remote */ static void rnc_destruct_done(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; + struct isci_remote_device *idev = _dev; - BUG_ON(sci_dev->started_request_count != 0); - sci_change_state(&sci_dev->sm, SCI_DEV_STOPPED); + BUG_ON(idev->started_request_count != 0); + sci_change_state(&idev->sm, SCI_DEV_STOPPED); } -static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds_remote_device *sci_dev) +static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_remote_device *idev) { - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); enum sci_status status = SCI_SUCCESS; u32 i; @@ -145,10 +145,10 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds enum sci_status s; if (!test_bit(IREQ_ACTIVE, &ireq->flags) || - ireq->target_device != sci_dev) + ireq->target_device != idev) continue; - s = scic_controller_terminate_request(scic, sci_dev, ireq); + s = scic_controller_terminate_request(scic, idev, ireq); if (s != SCI_SUCCESS) status = s; } @@ -156,10 +156,10 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds return status; } -enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_remote_device_stop(struct isci_remote_device *idev, u32 timeout) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -167,16 +167,16 @@ enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_STOPPED: return SCI_SUCCESS; case SCI_DEV_STARTING: /* device not started so there had better be no requests */ - BUG_ON(sci_dev->started_request_count != 0); - scic_sds_remote_node_context_destruct(&sci_dev->rnc, - rnc_destruct_done, sci_dev); + BUG_ON(idev->started_request_count != 0); + scic_sds_remote_node_context_destruct(&idev->rnc, + rnc_destruct_done, idev); /* Transition to the stopping state and wait for the * remote node to complete being posted and invalidated. */ @@ -191,28 +191,28 @@ enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, case SCI_SMP_DEV_IDLE: case SCI_SMP_DEV_CMD: sci_change_state(sm, SCI_DEV_STOPPING); - if (sci_dev->started_request_count == 0) { - scic_sds_remote_node_context_destruct(&sci_dev->rnc, - rnc_destruct_done, sci_dev); + if (idev->started_request_count == 0) { + scic_sds_remote_node_context_destruct(&idev->rnc, + rnc_destruct_done, idev); return SCI_SUCCESS; } else - return scic_sds_remote_device_terminate_requests(sci_dev); + return scic_sds_remote_device_terminate_requests(idev); break; case SCI_DEV_STOPPING: /* All requests should have been terminated, but if there is an * attempt to stop a device already in the stopping state, then * try again to terminate. */ - return scic_sds_remote_device_terminate_requests(sci_dev); + return scic_sds_remote_device_terminate_requests(idev); case SCI_DEV_RESETTING: sci_change_state(sm, SCI_DEV_STOPPING); return SCI_SUCCESS; } } -enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) +enum sci_status scic_remote_device_reset(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -226,7 +226,7 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: @@ -240,13 +240,13 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) } } -enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device *sci_dev) +enum sci_status scic_remote_device_reset_complete(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; if (state != SCI_DEV_RESETTING) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } @@ -255,28 +255,28 @@ enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device return SCI_SUCCESS; } -enum sci_status scic_sds_remote_device_suspend(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_suspend(struct isci_remote_device *idev, u32 suspend_type) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; if (state != SCI_STP_DEV_CMD) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - return scic_sds_remote_node_context_suspend(&sci_dev->rnc, + return scic_sds_remote_node_context_suspend(&idev->rnc, suspend_type, NULL, NULL); } -enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *idev, u32 frame_index) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; enum sci_status status; switch (state) { @@ -287,7 +287,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi case SCI_SMP_DEV_IDLE: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); /* Return the frame back to the controller */ scic_sds_controller_release_frame(scic, frame_index); @@ -313,7 +313,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi sci_swab32_cpy(&hdr, frame_header, word_cnt); ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag)); - if (ireq && ireq->target_device == sci_dev) { + if (ireq && ireq->target_device == idev) { /* The IO request is now in charge of releasing the frame */ status = scic_sds_io_request_frame_handler(ireq, frame_index); } else { @@ -335,7 +335,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi if (hdr->fis_type == FIS_SETDEVBITS && (hdr->status & ATA_ERR)) { - sci_dev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; + idev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; /* TODO Check sactive and complete associated IO if any. */ sci_change_state(sm, SCI_STP_DEV_NCQ_ERROR); @@ -345,8 +345,8 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi * Some devices return D2H FIS when an NCQ error is detected. * Treat this like an SDB error FIS ready reason. */ - sci_dev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; - sci_change_state(&sci_dev->sm, SCI_STP_DEV_NCQ_ERROR); + idev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; + sci_change_state(&idev->sm, SCI_STP_DEV_NCQ_ERROR); } else status = SCI_FAILURE; @@ -359,17 +359,17 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi * in this state. All unsolicited frames are forwarded to the io request * object. */ - status = scic_sds_io_request_frame_handler(sci_dev->working_request, frame_index); + status = scic_sds_io_request_frame_handler(idev->working_request, frame_index); break; } return status; } -static bool is_remote_device_ready(struct scic_sds_remote_device *sci_dev) +static bool is_remote_device_ready(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -387,10 +387,10 @@ static bool is_remote_device_ready(struct scic_sds_remote_device *sci_dev) } } -enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_event_handler(struct isci_remote_device *idev, u32 event_code) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; enum sci_status status; @@ -398,21 +398,21 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi case SCU_EVENT_TYPE_RNC_OPS_MISC: case SCU_EVENT_TYPE_RNC_SUSPEND_TX: case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX: - status = scic_sds_remote_node_context_event_handler(&sci_dev->rnc, event_code); + status = scic_sds_remote_node_context_event_handler(&idev->rnc, event_code); break; case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT: if (scu_get_event_code(event_code) == SCU_EVENT_IT_NEXUS_TIMEOUT) { status = SCI_SUCCESS; /* Suspend the associated RNC */ - scic_sds_remote_node_context_suspend(&sci_dev->rnc, + scic_sds_remote_node_context_suspend(&idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); - dev_dbg(scirdev_to_dev(sci_dev), + dev_dbg(scirdev_to_dev(idev), "%s: device: %p event code: %x: %s\n", - __func__, sci_dev, event_code, - is_remote_device_ready(sci_dev) + __func__, idev, event_code, + is_remote_device_ready(idev) ? "I_T_Nexus_Timeout event" : "I_T_Nexus_Timeout event in wrong state"); @@ -420,10 +420,10 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi } /* Else, fall through and treat as unhandled... */ default: - dev_dbg(scirdev_to_dev(sci_dev), + dev_dbg(scirdev_to_dev(idev), "%s: device: %p event code: %x: %s\n", - __func__, sci_dev, event_code, - is_remote_device_ready(sci_dev) + __func__, idev, event_code, + is_remote_device_ready(idev) ? "unexpected event" : "unexpected event in wrong state"); status = SCI_FAILURE_INVALID_STATE; @@ -440,34 +440,34 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi */ if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX || scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX) - status = scic_sds_remote_node_context_resume(&sci_dev->rnc, NULL, NULL); + status = scic_sds_remote_node_context_resume(&idev->rnc, NULL, NULL); } return status; } -static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *sci_dev, +static void scic_sds_remote_device_start_request(struct isci_remote_device *idev, struct isci_request *ireq, enum sci_status status) { - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; /* cleanup requests that failed after starting on the port */ if (status != SCI_SUCCESS) - scic_sds_port_complete_io(iport, sci_dev, ireq); + scic_sds_port_complete_io(iport, idev, ireq); else { - kref_get(&sci_dev_to_idev(sci_dev)->kref); - scic_sds_remote_device_increment_request_count(sci_dev); + kref_get(&idev->kref); + scic_sds_remote_device_increment_request_count(idev); } } enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -480,7 +480,7 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: @@ -489,11 +489,11 @@ 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -511,11 +511,11 @@ 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -526,7 +526,7 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic if (task->ata_task.use_ncq) new_state = SCI_STP_DEV_NCQ; else { - sci_dev->working_request = ireq; + idev->working_request = ireq; new_state = SCI_STP_DEV_CMD; } sci_change_state(sm, new_state); @@ -536,11 +536,11 @@ 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -552,11 +552,11 @@ 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -564,8 +564,8 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic if (status != SCI_SUCCESS) break; - sci_dev->working_request = ireq; - sci_change_state(&sci_dev->sm, SCI_SMP_DEV_CMD); + idev->working_request = ireq; + sci_change_state(&idev->sm, SCI_SMP_DEV_CMD); break; case SCI_STP_DEV_CMD: case SCI_SMP_DEV_CMD: @@ -575,12 +575,12 @@ 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, ireq, status); + scic_sds_remote_device_start_request(idev, ireq, status); return status; } static enum sci_status common_complete_io(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -589,21 +589,21 @@ static enum sci_status common_complete_io(struct isci_port *iport, if (status != SCI_SUCCESS) return status; - status = scic_sds_port_complete_io(iport, sci_dev, ireq); + status = scic_sds_port_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - scic_sds_remote_device_decrement_request_count(sci_dev); + scic_sds_remote_device_decrement_request_count(idev); return status; } enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -615,18 +615,18 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: case SCI_STP_DEV_AWAIT_RESET: case SCI_DEV_RESETTING: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); break; case SCI_STP_DEV_CMD: case SCI_STP_DEV_NCQ: case SCI_STP_DEV_NCQ_ERROR: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; @@ -637,54 +637,54 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s * status of "DEVICE_RESET_REQUIRED", instead of "INVALID STATE". */ sci_change_state(sm, SCI_STP_DEV_AWAIT_RESET); - } else if (scic_sds_remote_device_get_request_count(sci_dev) == 0) + } else if (scic_sds_remote_device_get_request_count(idev) == 0) sci_change_state(sm, SCI_STP_DEV_IDLE); break; case SCI_SMP_DEV_CMD: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; sci_change_state(sm, SCI_SMP_DEV_IDLE); break; case SCI_DEV_STOPPING: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; - if (scic_sds_remote_device_get_request_count(sci_dev) == 0) - scic_sds_remote_node_context_destruct(&sci_dev->rnc, + if (scic_sds_remote_device_get_request_count(idev) == 0) + scic_sds_remote_node_context_destruct(&idev->rnc, rnc_destruct_done, - sci_dev); + idev); break; } if (status != SCI_SUCCESS) - dev_err(scirdev_to_dev(sci_dev), + dev_err(scirdev_to_dev(idev), "%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x " "could not complete\n", __func__, iport, - sci_dev, ireq, status); + idev, ireq, status); else - isci_put_device(sci_dev_to_idev(sci_dev)); + isci_put_device(idev); return status; } static void scic_sds_remote_device_continue_request(void *dev) { - struct scic_sds_remote_device *sci_dev = dev; + struct isci_remote_device *idev = dev; /* we need to check if this request is still valid to continue. */ - if (sci_dev->working_request) - scic_controller_continue_io(sci_dev->working_request); + if (idev->working_request) + scic_controller_continue_io(idev->working_request); } enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -698,7 +698,7 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_STP_DEV_IDLE: @@ -706,11 +706,11 @@ 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_task(&idev->rnc, ireq); if (status != SCI_SUCCESS) goto out; @@ -722,7 +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 = ireq; + idev->working_request = ireq; sci_change_state(sm, SCI_STP_DEV_CMD); /* The remote node context must cleanup the TCi to NCQ mapping @@ -732,32 +732,32 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * the correct action when the remote node context is suspended * and later resumed. */ - scic_sds_remote_node_context_suspend(&sci_dev->rnc, + scic_sds_remote_node_context_suspend(&idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); - scic_sds_remote_node_context_resume(&sci_dev->rnc, + scic_sds_remote_node_context_resume(&idev->rnc, scic_sds_remote_device_continue_request, - sci_dev); + idev); out: - scic_sds_remote_device_start_request(sci_dev, ireq, status); + scic_sds_remote_device_start_request(idev, 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(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_task(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; status = scic_sds_request_start(ireq); break; } - scic_sds_remote_device_start_request(sci_dev, ireq, status); + scic_sds_remote_device_start_request(idev, ireq, status); return status; } @@ -771,15 +771,15 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * request and then requests the controller to post the request. none */ void scic_sds_remote_device_post_request( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 request) { u32 context; - context = scic_sds_remote_device_build_command_context(sci_dev, request); + context = scic_sds_remote_device_build_command_context(idev, request); scic_sds_controller_post_request( - scic_sds_remote_device_get_controller(sci_dev), + scic_sds_remote_device_get_controller(idev), context ); } @@ -790,34 +790,33 @@ void scic_sds_remote_device_post_request( */ static void remote_device_resume_done(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; + struct isci_remote_device *idev = _dev; - if (is_remote_device_ready(sci_dev)) + if (is_remote_device_ready(idev)) return; /* go 'ready' if we are not already in a ready state */ - sci_change_state(&sci_dev->sm, SCI_DEV_READY); + sci_change_state(&idev->sm, SCI_DEV_READY); } static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct isci_remote_device *idev = _dev; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; /* For NCQ operation we do not issue a isci_remote_device_not_ready(). * As a result, avoid sending the ready notification. */ - if (sci_dev->sm.previous_state_id != SCI_STP_DEV_NCQ) + if (idev->sm.previous_state_id != SCI_STP_DEV_NCQ) isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); /* Initial state is a transitional state to the stopped state */ - sci_change_state(&sci_dev->sm, SCI_DEV_STOPPED); + sci_change_state(&idev->sm, SCI_DEV_STOPPED); } /** @@ -833,22 +832,22 @@ static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_mac * device isn't valid (e.g. it's already been destoryed, the handle isn't * valid, etc.). */ -static enum sci_status scic_remote_device_destruct(struct scic_sds_remote_device *sci_dev) +static enum sci_status scic_remote_device_destruct(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; struct scic_sds_controller *scic; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - scic = sci_dev->owning_port->owning_controller; - scic_sds_controller_free_remote_node_context(scic, sci_dev, - sci_dev->rnc.remote_node_index); - sci_dev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; + scic = idev->owning_port->owning_controller; + scic_sds_controller_free_remote_node_context(scic, idev, + idev->rnc.remote_node_index); + idev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; sci_change_state(sm, SCI_DEV_FINAL); return SCI_SUCCESS; @@ -871,34 +870,32 @@ static void isci_remote_device_deconstruct(struct isci_host *ihost, struct isci_ * io requests in process */ BUG_ON(!list_empty(&idev->reqs_in_process)); - scic_remote_device_destruct(&idev->sci); + scic_remote_device_destruct(idev); list_del_init(&idev->node); isci_put_device(idev); } static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; u32 prev_state; /* If we are entering from the stopping state let the SCI User know that * the stop operation has completed. */ - prev_state = sci_dev->sm.previous_state_id; + prev_state = idev->sm.previous_state_id; if (prev_state == SCI_DEV_STOPPING) isci_remote_device_deconstruct(scic_to_ihost(scic), idev); - scic_sds_controller_remote_device_stopped(scic, sci_dev); + scic_sds_controller_remote_device_stopped(scic, idev); } static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); struct isci_host *ihost = scic_to_ihost(scic); - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); isci_remote_device_not_ready(ihost, idev, SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED); @@ -906,27 +903,25 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_ma static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; struct domain_device *dev = idev->domain_dev; if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_SATA)) { - sci_change_state(&sci_dev->sm, SCI_STP_DEV_IDLE); + sci_change_state(&idev->sm, SCI_STP_DEV_IDLE); } else if (dev_is_expander(dev)) { - sci_change_state(&sci_dev->sm, SCI_SMP_DEV_IDLE); + sci_change_state(&idev->sm, SCI_SMP_DEV_IDLE); } else isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct domain_device *dev = idev->domain_dev; if (dev->dev_type == SAS_END_DEV) { - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED); @@ -935,82 +930,81 @@ static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machin static void scic_sds_remote_device_resetting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); scic_sds_remote_node_context_suspend( - &sci_dev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); + &idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); } static void scic_sds_remote_device_resetting_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - scic_sds_remote_node_context_resume(&sci_dev->rnc, NULL, NULL); + scic_sds_remote_node_context_resume(&idev->rnc, NULL, NULL); } static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - sci_dev->working_request = NULL; - if (scic_sds_remote_node_context_is_ready(&sci_dev->rnc)) { + idev->working_request = NULL; + if (scic_sds_remote_node_context_is_ready(&idev->rnc)) { /* * Since the RNC is ready, it's alright to finish completion * processing (e.g. signal the remote device is ready). */ - scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(sci_dev); + scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(idev); } else { - scic_sds_remote_node_context_resume(&sci_dev->rnc, + scic_sds_remote_node_context_resume(&idev->rnc, scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler, - sci_dev); + idev); } } static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - BUG_ON(sci_dev->working_request == NULL); + BUG_ON(idev->working_request == NULL); - isci_remote_device_not_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev), + isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED); } static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - if (sci_dev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED) + if (idev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED) isci_remote_device_not_ready(scic_to_ihost(scic), idev, - sci_dev->not_ready_reason); + idev->not_ready_reason); } static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - isci_remote_device_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev)); + isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - BUG_ON(sci_dev->working_request == NULL); + BUG_ON(idev->working_request == NULL); - isci_remote_device_not_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev), + isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED); } static void scic_sds_smp_remote_device_ready_cmd_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - sci_dev->working_request = NULL; + idev->working_request = NULL; } static const struct sci_base_state scic_sds_remote_device_state_table[] = { @@ -1065,14 +1059,14 @@ static const struct sci_base_state scic_sds_remote_device_state_table[] = { * frees the remote_node_context(s) for the device. */ static void scic_remote_device_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { - sci_dev->owning_port = iport; - sci_dev->started_request_count = 0; + idev->owning_port = iport; + idev->started_request_count = 0; - sci_init_sm(&sci_dev->sm, scic_sds_remote_device_state_table, SCI_DEV_INITIAL); + sci_init_sm(&idev->sm, scic_sds_remote_device_state_table, SCI_DEV_INITIAL); - scic_sds_remote_node_context_construct(&sci_dev->rnc, + scic_sds_remote_node_context_construct(&idev->rnc, SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX); } @@ -1091,21 +1085,21 @@ static void scic_remote_device_construct(struct isci_port *iport, * SCI_FAILURE_INSUFFICIENT_RESOURCES - remote node contexts exhausted. */ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { enum sci_status status; - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; - scic_remote_device_construct(iport, sci_dev); + scic_remote_device_construct(iport, idev); /* * This information is request to determine how many remote node context * entries will be needed to store the remote node. */ - sci_dev->is_direct_attached = true; + idev->is_direct_attached = true; status = scic_sds_controller_allocate_remote_node_context(iport->owning_controller, - sci_dev, - &sci_dev->rnc.remote_node_index); + idev, + &idev->rnc.remote_node_index); if (status != SCI_SUCCESS) return status; @@ -1116,10 +1110,10 @@ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, else return SCI_FAILURE_UNSUPPORTED_PROTOCOL; - sci_dev->connection_rate = scic_sds_port_get_max_allowed_speed(iport); + idev->connection_rate = scic_sds_port_get_max_allowed_speed(iport); /* / @todo Should I assign the port width by reading all of the phys on the port? */ - sci_dev->device_port_width = 1; + idev->device_port_width = 1; return SCI_SUCCESS; } @@ -1137,16 +1131,16 @@ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, * SCI_FAILURE_INSUFFICIENT_RESOURCES - remote node contexts exhausted. */ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; enum sci_status status; - scic_remote_device_construct(iport, sci_dev); + scic_remote_device_construct(iport, idev); status = scic_sds_controller_allocate_remote_node_context(iport->owning_controller, - sci_dev, - &sci_dev->rnc.remote_node_index); + idev, + &idev->rnc.remote_node_index); if (status != SCI_SUCCESS) return status; @@ -1163,11 +1157,11 @@ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, * connection the logical link rate is that same as the * physical. Furthermore, the SAS-2 and SAS-1.1 fields overlay * one another, so this code works for both situations. */ - sci_dev->connection_rate = min_t(u16, scic_sds_port_get_max_allowed_speed(iport), + idev->connection_rate = min_t(u16, scic_sds_port_get_max_allowed_speed(iport), dev->linkrate); /* / @todo Should I assign the port width by reading all of the phys on the port? */ - sci_dev->device_port_width = 1; + idev->device_port_width = 1; return SCI_SUCCESS; } @@ -1185,22 +1179,22 @@ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, * SCI_FAILURE_INVALID_PHY This value is returned if the user attempts to start * the device when there have been no phys added to it. */ -static enum sci_status scic_remote_device_start(struct scic_sds_remote_device *sci_dev, +static enum sci_status scic_remote_device_start(struct isci_remote_device *idev, u32 timeout) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; enum sci_status status; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_remote_node_context_resume(&sci_dev->rnc, + status = scic_sds_remote_node_context_resume(&idev->rnc, remote_device_resume_done, - sci_dev); + idev); if (status != SCI_SUCCESS) return status; @@ -1217,9 +1211,9 @@ static enum sci_status isci_remote_device_construct(struct isci_port *iport, enum sci_status status; if (dev->parent && dev_is_expander(dev->parent)) - status = scic_remote_device_ea_construct(iport, &idev->sci); + status = scic_remote_device_ea_construct(iport, idev); else - status = scic_remote_device_da_construct(iport, &idev->sci); + status = scic_remote_device_da_construct(iport, idev); if (status != SCI_SUCCESS) { dev_dbg(&ihost->pdev->dev, "%s: construct failed: %d\n", @@ -1229,7 +1223,7 @@ static enum sci_status isci_remote_device_construct(struct isci_port *iport, } /* start the device. */ - status = scic_remote_device_start(&idev->sci, ISCI_REMOTE_DEVICE_START_TIMEOUT); + status = scic_remote_device_start(idev, ISCI_REMOTE_DEVICE_START_TIMEOUT); if (status != SCI_SUCCESS) dev_warn(&ihost->pdev->dev, "remote device start failed: %d\n", @@ -1330,7 +1324,7 @@ enum sci_status isci_remote_device_stop(struct isci_host *ihost, struct isci_rem set_bit(IDEV_STOP_PENDING, &idev->flags); spin_lock_irqsave(&ihost->scic_lock, flags); - status = scic_remote_device_stop(&idev->sci, 50); + status = scic_remote_device_stop(idev, 50); spin_unlock_irqrestore(&ihost->scic_lock, flags); /* Wait for the stop complete callback. */ |