diff options
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/isci/host.c | 98 | ||||
| -rw-r--r-- | drivers/scsi/isci/host.h | 16 | ||||
| -rw-r--r-- | drivers/scsi/isci/phy.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/isci/port.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/isci/port.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_device.c | 92 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_device.h | 8 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_node_context.c | 4 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_node_context.h | 6 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.c | 683 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.h | 184 | ||||
| -rw-r--r-- | drivers/scsi/isci/sata.c | 9 | ||||
| -rw-r--r-- | drivers/scsi/isci/task.c | 17 |
13 files changed, 514 insertions, 615 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 0884ae3253e5..d91cd6d82747 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -258,21 +258,20 @@ static void scic_sds_controller_task_completion(struct scic_sds_controller *scic u32 index = SCU_GET_COMPLETION_INDEX(completion_entry); struct isci_host *ihost = scic_to_ihost(scic); struct isci_request *ireq = ihost->reqs[index]; - struct scic_sds_request *sci_req = &ireq->sci; /* Make sure that we really want to process this IO request */ if (test_bit(IREQ_ACTIVE, &ireq->flags) && - sci_req->io_tag != SCI_CONTROLLER_INVALID_IO_TAG && - ISCI_TAG_SEQ(sci_req->io_tag) == scic->io_request_sequence[index]) + ireq->io_tag != SCI_CONTROLLER_INVALID_IO_TAG && + ISCI_TAG_SEQ(ireq->io_tag) == scic->io_request_sequence[index]) /* Yep this is a valid io request pass it along to the io request handler */ - scic_sds_io_request_tc_completion(sci_req, completion_entry); + scic_sds_io_request_tc_completion(ireq, completion_entry); } static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic, u32 completion_entry) { u32 index; - struct scic_sds_request *io_request; + struct isci_request *ireq; struct scic_sds_remote_device *device; index = SCU_GET_COMPLETION_INDEX(completion_entry); @@ -280,41 +279,27 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic switch (scu_get_command_request_type(completion_entry)) { case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC: case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_TC: - io_request = &scic_to_ihost(scic)->reqs[index]->sci; - dev_warn(scic_to_dev(scic), - "%s: SCIC SDS Completion type SDMA %x for io request " - "%p\n", - __func__, - completion_entry, - io_request); + ireq = scic_to_ihost(scic)->reqs[index]; + dev_warn(scic_to_dev(scic), "%s: %x for io request %p\n", + __func__, completion_entry, ireq); /* @todo For a post TC operation we need to fail the IO * request */ break; - case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_RNC: case SCU_CONTEXT_COMMAND_REQUEST_TYPE_OTHER_RNC: case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_RNC: device = scic->device_table[index]; - dev_warn(scic_to_dev(scic), - "%s: SCIC SDS Completion type SDMA %x for remote " - "device %p\n", - __func__, - completion_entry, - device); + dev_warn(scic_to_dev(scic), "%s: %x for device %p\n", + __func__, completion_entry, device); /* @todo For a port RNC operation we need to fail the * device */ break; - default: - dev_warn(scic_to_dev(scic), - "%s: SCIC SDS Completion unknown SDMA completion " - "type %x\n", - __func__, - completion_entry); + dev_warn(scic_to_dev(scic), "%s: unknown completion type %x\n", + __func__, completion_entry); break; - } } @@ -385,8 +370,8 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci u32 completion_entry) { struct isci_host *ihost = scic_to_ihost(scic); - struct scic_sds_request *io_request; struct scic_sds_remote_device *device; + struct isci_request *ireq; struct scic_sds_phy *phy; u32 index; @@ -418,17 +403,17 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci break; case SCU_EVENT_TYPE_TRANSPORT_ERROR: - io_request = &ihost->reqs[index]->sci; - scic_sds_io_request_event_handler(io_request, completion_entry); + ireq = ihost->reqs[index]; + scic_sds_io_request_event_handler(ireq, completion_entry); break; case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT: switch (scu_get_event_specifier(completion_entry)) { case SCU_EVENT_SPECIFIC_SMP_RESPONSE_NO_PE: case SCU_EVENT_SPECIFIC_TASK_TIMEOUT: - io_request = &ihost->reqs[index]->sci; - if (io_request != NULL) - scic_sds_io_request_event_handler(io_request, completion_entry); + ireq = ihost->reqs[index]; + if (ireq != NULL) + scic_sds_io_request_event_handler(ireq, completion_entry); else dev_warn(scic_to_dev(scic), "%s: SCIC Controller 0x%p received " @@ -1185,7 +1170,7 @@ static void isci_host_completion_routine(unsigned long data) } spin_lock_irq(&isci_host->scic_lock); - isci_free_tag(isci_host, request->sci.io_tag); + isci_free_tag(isci_host, request->io_tag); spin_unlock_irq(&isci_host->scic_lock); } list_for_each_entry_safe(request, next_request, &errored_request_list, @@ -1222,7 +1207,7 @@ static void isci_host_completion_routine(unsigned long data) * of pending requests. */ list_del_init(&request->dev_node); - isci_free_tag(isci_host, request->sci.io_tag); + isci_free_tag(isci_host, request->io_tag); spin_unlock_irq(&isci_host->scic_lock); } } @@ -2486,8 +2471,8 @@ int isci_host_init(struct isci_host *isci_host) if (!ireq) return -ENOMEM; - ireq->sci.tc = &isci_host->sci.task_context_table[i]; - ireq->sci.owning_controller = &isci_host->sci; + ireq->tc = &isci_host->sci.task_context_table[i]; + ireq->owning_controller = &isci_host->sci; spin_lock_init(&ireq->state_lock); ireq->request_daddr = dma; ireq->isci_host = isci_host; @@ -2600,7 +2585,7 @@ void scic_sds_controller_post_request( writel(request, &scic->smu_registers->post_context_port); } -struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag) +struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag) { u16 task_index; u16 task_sequence; @@ -2614,7 +2599,7 @@ struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic, u task_sequence = ISCI_TAG_SEQ(io_tag); if (task_sequence == scic->io_request_sequence[task_index]) - return &ireq->sci; + return ireq; } } @@ -2814,7 +2799,7 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) */ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic, struct scic_sds_remote_device *rdev, - struct scic_sds_request *req) + struct isci_request *ireq) { enum sci_status status; @@ -2823,12 +2808,12 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic, return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_io(scic, rdev, req); + status = scic_sds_remote_device_start_io(scic, rdev, ireq); if (status != SCI_SUCCESS) return status; - set_bit(IREQ_ACTIVE, &sci_req_to_ireq(req)->flags); - scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(req)); + set_bit(IREQ_ACTIVE, &ireq->flags); + scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq)); return SCI_SUCCESS; } @@ -2851,7 +2836,7 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic, enum sci_status scic_controller_terminate_request( struct scic_sds_controller *scic, struct scic_sds_remote_device *rdev, - struct scic_sds_request *req) + struct isci_request *ireq) { enum sci_status status; @@ -2861,7 +2846,7 @@ enum sci_status scic_controller_terminate_request( return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_io_request_terminate(req); + status = scic_sds_io_request_terminate(ireq); if (status != SCI_SUCCESS) return status; @@ -2870,7 +2855,7 @@ enum sci_status scic_controller_terminate_request( * request sub-type. */ scic_sds_controller_post_request(scic, - scic_sds_request_get_post_context(req) | + scic_sds_request_get_post_context(ireq) | SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT); return SCI_SUCCESS; } @@ -2889,7 +2874,7 @@ enum sci_status scic_controller_terminate_request( enum sci_status scic_controller_complete_io( struct scic_sds_controller *scic, struct scic_sds_remote_device *rdev, - struct scic_sds_request *request) + struct isci_request *ireq) { enum sci_status status; u16 index; @@ -2899,12 +2884,12 @@ enum sci_status scic_controller_complete_io( /* XXX: Implement this function */ return SCI_FAILURE; case SCIC_READY: - status = scic_sds_remote_device_complete_io(scic, rdev, request); + status = scic_sds_remote_device_complete_io(scic, rdev, ireq); if (status != SCI_SUCCESS) return status; - index = ISCI_TAG_TCI(request->io_tag); - clear_bit(IREQ_ACTIVE, &sci_req_to_ireq(request)->flags); + index = ISCI_TAG_TCI(ireq->io_tag); + clear_bit(IREQ_ACTIVE, &ireq->flags); return SCI_SUCCESS; default: dev_warn(scic_to_dev(scic), "invalid state to complete I/O"); @@ -2913,17 +2898,17 @@ enum sci_status scic_controller_complete_io( } -enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req) +enum sci_status scic_controller_continue_io(struct isci_request *ireq) { - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; if (scic->sm.current_state_id != SCIC_READY) { dev_warn(scic_to_dev(scic), "invalid state to continue I/O"); return SCI_FAILURE_INVALID_STATE; } - set_bit(IREQ_ACTIVE, &sci_req_to_ireq(sci_req)->flags); - scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(sci_req)); + set_bit(IREQ_ACTIVE, &ireq->flags); + scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq)); return SCI_SUCCESS; } @@ -2939,9 +2924,8 @@ enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req) enum sci_task_status scic_controller_start_task( struct scic_sds_controller *scic, struct scic_sds_remote_device *rdev, - struct scic_sds_request *req) + struct isci_request *ireq) { - struct isci_request *ireq = sci_req_to_ireq(req); enum sci_status status; if (scic->sm.current_state_id != SCIC_READY) { @@ -2952,7 +2936,7 @@ enum sci_task_status scic_controller_start_task( return SCI_TASK_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_task(scic, rdev, req); + status = scic_sds_remote_device_start_task(scic, rdev, ireq); switch (status) { case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); @@ -2967,7 +2951,7 @@ enum sci_task_status scic_controller_start_task( set_bit(IREQ_ACTIVE, &ireq->flags); scic_sds_controller_post_request(scic, - scic_sds_request_get_post_context(req)); + scic_sds_request_get_post_context(ireq)); break; default: break; diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index 446fade19b3a..0b26d25c19a9 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -64,7 +64,7 @@ #include "unsolicited_frame_control.h" #include "probe_roms.h" -struct scic_sds_request; +struct isci_request; struct scu_task_context; @@ -601,7 +601,7 @@ union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffe struct scic_sds_controller *scic, u16 node_id); -struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic, +struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag); void scic_sds_controller_power_control_queue_insert( @@ -628,11 +628,11 @@ void scic_sds_controller_remote_device_stopped( void scic_sds_controller_copy_task_context( struct scic_sds_controller *scic, - struct scic_sds_request *this_request); + struct isci_request *ireq); void scic_sds_controller_register_setup(struct scic_sds_controller *scic); -enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req); +enum sci_status scic_controller_continue_io(struct isci_request *ireq); int isci_host_scan_finished(struct Scsi_Host *, unsigned long); void isci_host_scan_start(struct Scsi_Host *); u16 isci_alloc_tag(struct isci_host *ihost); @@ -665,22 +665,22 @@ void scic_controller_disable_interrupts( enum sci_status scic_controller_start_io( struct scic_sds_controller *scic, struct scic_sds_remote_device *remote_device, - struct scic_sds_request *io_request); + struct isci_request *ireq); enum sci_task_status scic_controller_start_task( struct scic_sds_controller *scic, struct scic_sds_remote_device *remote_device, - struct scic_sds_request *task_request); + struct isci_request *ireq); enum sci_status scic_controller_terminate_request( struct scic_sds_controller *scic, struct scic_sds_remote_device *remote_device, - struct scic_sds_request *request); + struct isci_request *ireq); enum sci_status scic_controller_complete_io( struct scic_sds_controller *scic, struct scic_sds_remote_device *remote_device, - struct scic_sds_request *io_request); + struct isci_request *ireq); void scic_sds_port_configuration_agent_construct( struct scic_sds_port_configuration_agent *port_agent); diff --git a/drivers/scsi/isci/phy.c b/drivers/scsi/isci/phy.c index c01d76210aa2..98d93aeea75d 100644 --- a/drivers/scsi/isci/phy.c +++ b/drivers/scsi/isci/phy.c @@ -983,7 +983,7 @@ enum sci_status scic_sds_phy_frame_handler(struct scic_sds_phy *sci_phy, "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - + } static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_machine *sm) diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index 0e84e29335dd..bd091549b4f7 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -1611,7 +1611,7 @@ enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port, enum sci_status scic_sds_port_start_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 scic_sds_port_states state; @@ -1631,7 +1631,7 @@ enum sci_status scic_sds_port_start_io(struct scic_sds_port *sci_port, enum sci_status scic_sds_port_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 scic_sds_port_states state; diff --git a/drivers/scsi/isci/port.h b/drivers/scsi/isci/port.h index a44e541914f5..668f3a14cd70 100644 --- a/drivers/scsi/isci/port.h +++ b/drivers/scsi/isci/port.h @@ -354,17 +354,17 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port, enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port, struct scic_sds_phy *sci_phy); -struct scic_sds_request; +struct isci_request; struct scic_sds_remote_device; enum sci_status scic_sds_port_start_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 scic_sds_port_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 sas_linkrate scic_sds_port_get_max_allowed_speed( struct scic_sds_port *sci_port); 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; } diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index 0d9e37fe734f..6ac5dfb7d1db 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -120,7 +120,7 @@ struct scic_sds_remote_device { * used only for SATA requests since the unsolicited frames we get from the * hardware have no Tag value to look up the io request object. */ - struct scic_sds_request *working_request; + struct isci_request *working_request; /** * This field contains the reason for the remote device going not_ready. It is @@ -466,17 +466,17 @@ enum sci_status scic_sds_remote_device_event_handler( enum sci_status scic_sds_remote_device_start_io( struct scic_sds_controller *controller, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *io_request); + struct isci_request *ireq); enum sci_status scic_sds_remote_device_start_task( struct scic_sds_controller *controller, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *io_request); + struct isci_request *ireq); enum sci_status scic_sds_remote_device_complete_io( struct scic_sds_controller *controller, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *io_request); + struct isci_request *ireq); enum sci_status scic_sds_remote_device_suspend( struct scic_sds_remote_device *sci_dev, diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index b6774bcdabd8..1b51fe55314d 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -598,7 +598,7 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ } enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_node_context *sci_rnc, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { enum scis_sds_remote_node_context_states state; @@ -623,7 +623,7 @@ enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_nod } enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { enum scis_sds_remote_node_context_states state; diff --git a/drivers/scsi/isci/remote_node_context.h b/drivers/scsi/isci/remote_node_context.h index 67a45b686a98..35e6ae616903 100644 --- a/drivers/scsi/isci/remote_node_context.h +++ b/drivers/scsi/isci/remote_node_context.h @@ -78,7 +78,7 @@ #define SCU_HARDWARE_SUSPENSION (0) #define SCI_SOFTWARE_SUSPENSION (1) -struct scic_sds_request; +struct isci_request; struct scic_sds_remote_device; struct scic_sds_remote_node_context; @@ -220,8 +220,8 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ scics_sds_remote_node_context_callback cb_fn, void *cb_p); enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc, - struct scic_sds_request *sci_req); + struct isci_request *ireq); enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_node_context *sci_rnc, - struct scic_sds_request *sci_req); + struct isci_request *ireq); #endif /* _SCIC_SDS_REMOTE_NODE_CONTEXT_H_ */ diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 8520626b02fa..c544bc79ce17 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -61,35 +61,35 @@ #include "scu_event_codes.h" #include "sas.h" -static struct scu_sgl_element_pair *to_sgl_element_pair(struct scic_sds_request *sci_req, +static struct scu_sgl_element_pair *to_sgl_element_pair(struct isci_request *ireq, int idx) { if (idx == 0) - return &sci_req->tc->sgl_pair_ab; + return &ireq->tc->sgl_pair_ab; else if (idx == 1) - return &sci_req->tc->sgl_pair_cd; + return &ireq->tc->sgl_pair_cd; else if (idx < 0) return NULL; else - return &sci_req->sg_table[idx - 2]; + return &ireq->sg_table[idx - 2]; } static dma_addr_t to_sgl_element_pair_dma(struct scic_sds_controller *scic, - struct scic_sds_request *sci_req, u32 idx) + struct isci_request *ireq, u32 idx) { u32 offset; if (idx == 0) { - offset = (void *) &sci_req->tc->sgl_pair_ab - + offset = (void *) &ireq->tc->sgl_pair_ab - (void *) &scic->task_context_table[0]; return scic->task_context_dma + offset; } else if (idx == 1) { - offset = (void *) &sci_req->tc->sgl_pair_cd - + offset = (void *) &ireq->tc->sgl_pair_cd - (void *) &scic->task_context_table[0]; return scic->task_context_dma + offset; } - return scic_io_request_get_dma_addr(sci_req, &sci_req->sg_table[idx - 2]); + return scic_io_request_get_dma_addr(ireq, &ireq->sg_table[idx - 2]); } static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg) @@ -100,12 +100,11 @@ static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg) e->address_modifier = 0; } -static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) +static void scic_sds_request_build_sgl(struct isci_request *ireq) { - struct isci_request *isci_request = sci_req_to_ireq(sds_request); - struct isci_host *isci_host = isci_request->isci_host; + struct isci_host *isci_host = ireq->isci_host; struct scic_sds_controller *scic = &isci_host->sci; - struct sas_task *task = isci_request_access_task(isci_request); + struct sas_task *task = isci_request_access_task(ireq); struct scatterlist *sg = NULL; dma_addr_t dma_addr; u32 sg_idx = 0; @@ -116,7 +115,7 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) sg = task->scatter; while (sg) { - scu_sg = to_sgl_element_pair(sds_request, sg_idx); + scu_sg = to_sgl_element_pair(ireq, sg_idx); init_sgl_element(&scu_sg->A, sg); sg = sg_next(sg); if (sg) { @@ -127,7 +126,7 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) if (prev_sg) { dma_addr = to_sgl_element_pair_dma(scic, - sds_request, + ireq, sg_idx); prev_sg->next_pair_upper = @@ -140,14 +139,14 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) sg_idx++; } } else { /* handle when no sg */ - scu_sg = to_sgl_element_pair(sds_request, sg_idx); + scu_sg = to_sgl_element_pair(ireq, sg_idx); dma_addr = dma_map_single(&isci_host->pdev->dev, task->scatter, task->total_xfer_len, task->data_dir); - isci_request->zero_scatter_daddr = dma_addr; + ireq->zero_scatter_daddr = dma_addr; scu_sg->A.length = task->total_xfer_len; scu_sg->A.address_upper = upper_32_bits(dma_addr); @@ -160,13 +159,12 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) } } -static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sci_req) +static void scic_sds_io_request_build_ssp_command_iu(struct isci_request *ireq) { struct ssp_cmd_iu *cmd_iu; - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); - cmd_iu = &sci_req->ssp.cmd; + cmd_iu = &ireq->ssp.cmd; memcpy(cmd_iu->LUN, task->ssp_task.LUN, 8); cmd_iu->add_cdb_len = 0; @@ -181,14 +179,13 @@ static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sc sizeof(task->ssp_task.cdb) / sizeof(u32)); } -static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci_req) +static void scic_sds_task_request_build_ssp_task_iu(struct isci_request *ireq) { struct ssp_task_iu *task_iu; - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq); - task_iu = &sci_req->ssp.tmf; + task_iu = &ireq->ssp.tmf; memset(task_iu, 0, sizeof(struct ssp_task_iu)); @@ -208,15 +205,15 @@ static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci * */ static void scu_ssp_reqeust_construct_task_context( - struct scic_sds_request *sds_request, + struct isci_request *ireq, struct scu_task_context *task_context) { dma_addr_t dma_addr; struct scic_sds_remote_device *target_device; struct scic_sds_port *target_port; - target_device = scic_sds_request_get_device(sds_request); - target_port = scic_sds_request_get_port(sds_request); + target_device = scic_sds_request_get_device(ireq); + target_port = scic_sds_request_get_port(ireq); /* Fill in the TC with the its required data */ task_context->abort = 0; @@ -232,7 +229,7 @@ static void scu_ssp_reqeust_construct_task_context( task_context->context_type = SCU_TASK_CONTEXT_TYPE; task_context->remote_node_index = - scic_sds_remote_device_get_index(sds_request->target_device); + scic_sds_remote_device_get_index(ireq->target_device); task_context->command_code = 0; task_context->link_layer_control = 0; @@ -244,22 +241,21 @@ static void scu_ssp_reqeust_construct_task_context( task_context->address_modifier = 0; - /* task_context->type.ssp.tag = sci_req->io_tag; */ + /* task_context->type.ssp.tag = ireq->io_tag; */ task_context->task_phase = 0x01; - sds_request->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | + ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | (scic_sds_controller_get_protocol_engine_group(controller) << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) | (scic_sds_port_get_index(target_port) << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) | - ISCI_TAG_TCI(sds_request->io_tag)); + ISCI_TAG_TCI(ireq->io_tag)); /* * Copy the physical address for the command buffer to the * SCU Task Context */ - dma_addr = scic_io_request_get_dma_addr(sds_request, - &sds_request->ssp.cmd); + dma_addr = scic_io_request_get_dma_addr(ireq, &ireq->ssp.cmd); task_context->command_iu_upper = upper_32_bits(dma_addr); task_context->command_iu_lower = lower_32_bits(dma_addr); @@ -268,8 +264,7 @@ static void scu_ssp_reqeust_construct_task_context( * Copy the physical address for the response buffer to the * SCU Task Context */ - dma_addr = scic_io_request_get_dma_addr(sds_request, - &sds_request->ssp.rsp); + dma_addr = scic_io_request_get_dma_addr(ireq, &ireq->ssp.rsp); task_context->response_iu_upper = upper_32_bits(dma_addr); task_context->response_iu_lower = lower_32_bits(dma_addr); @@ -280,13 +275,13 @@ static void scu_ssp_reqeust_construct_task_context( * @sci_req: * */ -static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *sci_req, +static void scu_ssp_io_request_construct_task_context(struct isci_request *ireq, enum dma_data_direction dir, u32 len) { - struct scu_task_context *task_context = sci_req->tc; + struct scu_task_context *task_context = ireq->tc; - scu_ssp_reqeust_construct_task_context(sci_req, task_context); + scu_ssp_reqeust_construct_task_context(ireq, task_context); task_context->ssp_command_iu_length = sizeof(struct ssp_cmd_iu) / sizeof(u32); @@ -306,7 +301,7 @@ static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *s task_context->transfer_length_bytes = len; if (task_context->transfer_length_bytes > 0) - scic_sds_request_build_sgl(sci_req); + scic_sds_request_build_sgl(ireq); } /** @@ -322,11 +317,11 @@ static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *s * constructed. * */ -static void scu_ssp_task_request_construct_task_context(struct scic_sds_request *sci_req) +static void scu_ssp_task_request_construct_task_context(struct isci_request *ireq) { - struct scu_task_context *task_context = sci_req->tc; + struct scu_task_context *task_context = ireq->tc; - scu_ssp_reqeust_construct_task_context(sci_req, task_context); + scu_ssp_reqeust_construct_task_context(ireq, task_context); task_context->control_frame = 1; task_context->priority = SCU_TASK_PRIORITY_HIGH; @@ -350,15 +345,15 @@ static void scu_ssp_task_request_construct_task_context(struct scic_sds_request * determine what is common for SSP/SMP/STP task context structures. */ static void scu_sata_reqeust_construct_task_context( - struct scic_sds_request *sci_req, + struct isci_request *ireq, struct scu_task_context *task_context) { dma_addr_t dma_addr; struct scic_sds_remote_device *target_device; struct scic_sds_port *target_port; - target_device = scic_sds_request_get_device(sci_req); - target_port = scic_sds_request_get_port(sci_req); + target_device = scic_sds_request_get_device(ireq); + target_port = scic_sds_request_get_port(ireq); /* Fill in the TC with the its required data */ task_context->abort = 0; @@ -374,7 +369,7 @@ static void scu_sata_reqeust_construct_task_context( task_context->context_type = SCU_TASK_CONTEXT_TYPE; task_context->remote_node_index = - scic_sds_remote_device_get_index(sci_req->target_device); + scic_sds_remote_device_get_index(ireq->target_device); task_context->command_code = 0; task_context->link_layer_control = 0; @@ -391,21 +386,21 @@ static void scu_sata_reqeust_construct_task_context( (sizeof(struct host_to_dev_fis) - sizeof(u32)) / sizeof(u32); /* Set the first word of the H2D REG FIS */ - task_context->type.words[0] = *(u32 *)&sci_req->stp.cmd; + task_context->type.words[0] = *(u32 *)&ireq->stp.cmd; - sci_req->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | + ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | (scic_sds_controller_get_protocol_engine_group(controller) << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) | (scic_sds_port_get_index(target_port) << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) | - ISCI_TAG_TCI(sci_req->io_tag)); + ISCI_TAG_TCI(ireq->io_tag)); /* * Copy the physical address for the command buffer to the SCU Task * Context. We must offset the command buffer by 4 bytes because the * first 4 bytes are transfered in the body of the TC. */ - dma_addr = scic_io_request_get_dma_addr(sci_req, - ((char *) &sci_req->stp.cmd) + + dma_addr = scic_io_request_get_dma_addr(ireq, + ((char *) &ireq->stp.cmd) + sizeof(u32)); task_context->command_iu_upper = upper_32_bits(dma_addr); @@ -416,11 +411,11 @@ static void scu_sata_reqeust_construct_task_context( task_context->response_iu_lower = 0; } -static void scu_stp_raw_request_construct_task_context(struct scic_sds_request *sci_req) +static void scu_stp_raw_request_construct_task_context(struct isci_request *ireq) { - struct scu_task_context *task_context = sci_req->tc; + struct scu_task_context *task_context = ireq->tc; - scu_sata_reqeust_construct_task_context(sci_req, task_context); + scu_sata_reqeust_construct_task_context(ireq, task_context); task_context->control_frame = 0; task_context->priority = SCU_TASK_PRIORITY_NORMAL; @@ -429,20 +424,19 @@ static void scu_stp_raw_request_construct_task_context(struct scic_sds_request * task_context->transfer_length_bytes = sizeof(struct host_to_dev_fis) - sizeof(u32); } -static enum sci_status -scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req, - bool copy_rx_frame) +static enum sci_status scic_sds_stp_pio_request_construct(struct isci_request *ireq, + bool copy_rx_frame) { - struct isci_stp_request *stp_req = &sci_req->stp.req; + struct isci_stp_request *stp_req = &ireq->stp.req; - scu_stp_raw_request_construct_task_context(sci_req); + scu_stp_raw_request_construct_task_context(ireq); stp_req->status = 0; stp_req->sgl.offset = 0; stp_req->sgl.set = SCU_SGL_ELEMENT_PAIR_A; if (copy_rx_frame) { - scic_sds_request_build_sgl(sci_req); + scic_sds_request_build_sgl(ireq); stp_req->sgl.index = 0; } else { /* The user does not want the data copied to the SGL buffer location */ @@ -464,18 +458,18 @@ scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req, * requests that are optimized by the silicon (i.e. UDMA, NCQ). This method * returns an indication as to whether the construction was successful. */ -static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sci_req, +static void scic_sds_stp_optimized_request_construct(struct isci_request *ireq, u8 optimized_task_type, u32 len, enum dma_data_direction dir) { - struct scu_task_context *task_context = sci_req->tc; + struct scu_task_context *task_context = ireq->tc; /* Build the STP task context structure */ - scu_sata_reqeust_construct_task_context(sci_req, task_context); + scu_sata_reqeust_construct_task_context(ireq, task_context); /* Copy over the SGL elements */ - scic_sds_request_build_sgl(sci_req); + scic_sds_request_build_sgl(ireq); /* Copy over the number of bytes to be transfered */ task_context->transfer_length_bytes = len; @@ -500,13 +494,12 @@ static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sc static enum sci_status -scic_io_request_construct_sata(struct scic_sds_request *sci_req, +scic_io_request_construct_sata(struct isci_request *ireq, u32 len, enum dma_data_direction dir, bool copy) { enum sci_status status = SCI_SUCCESS; - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); /* check for management protocols */ @@ -515,20 +508,20 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, if (tmf->tmf_code == isci_tmf_sata_srst_high || tmf->tmf_code == isci_tmf_sata_srst_low) { - scu_stp_raw_request_construct_task_context(sci_req); + scu_stp_raw_request_construct_task_context(ireq); return SCI_SUCCESS; } else { - dev_err(scic_to_dev(sci_req->owning_controller), + dev_err(scic_to_dev(ireq->owning_controller), "%s: Request 0x%p received un-handled SAT " "management protocol 0x%x.\n", - __func__, sci_req, tmf->tmf_code); + __func__, ireq, tmf->tmf_code); return SCI_FAILURE; } } if (!sas_protocol_ata(task->task_proto)) { - dev_err(scic_to_dev(sci_req->owning_controller), + dev_err(scic_to_dev(ireq->owning_controller), "%s: Non-ATA protocol in SATA path: 0x%x\n", __func__, task->task_proto); @@ -538,13 +531,13 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, /* non data */ if (task->data_dir == DMA_NONE) { - scu_stp_raw_request_construct_task_context(sci_req); + scu_stp_raw_request_construct_task_context(ireq); return SCI_SUCCESS; } /* NCQ */ if (task->ata_task.use_ncq) { - scic_sds_stp_optimized_request_construct(sci_req, + scic_sds_stp_optimized_request_construct(ireq, SCU_TASK_TYPE_FPDMAQ_READ, len, dir); return SCI_SUCCESS; @@ -552,74 +545,71 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, /* DMA */ if (task->ata_task.dma_xfer) { - scic_sds_stp_optimized_request_construct(sci_req, + scic_sds_stp_optimized_request_construct(ireq, SCU_TASK_TYPE_DMA_IN, len, dir); return SCI_SUCCESS; } else /* PIO */ - return scic_sds_stp_pio_request_construct(sci_req, copy); + return scic_sds_stp_pio_request_construct(ireq, copy); return status; } -static enum sci_status scic_io_request_construct_basic_ssp(struct scic_sds_request *sci_req) +static enum sci_status scic_io_request_construct_basic_ssp(struct isci_request *ireq) { - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); - sci_req->protocol = SCIC_SSP_PROTOCOL; + ireq->protocol = SCIC_SSP_PROTOCOL; - scu_ssp_io_request_construct_task_context(sci_req, + scu_ssp_io_request_construct_task_context(ireq, task->data_dir, task->total_xfer_len); - scic_sds_io_request_build_ssp_command_iu(sci_req); + scic_sds_io_request_build_ssp_command_iu(ireq); - sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED); + sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); return SCI_SUCCESS; } enum sci_status scic_task_request_construct_ssp( - struct scic_sds_request *sci_req) + struct isci_request *ireq) { /* Construct the SSP Task SCU Task Context */ - scu_ssp_task_request_construct_task_context(sci_req); + scu_ssp_task_request_construct_task_context(ireq); /* Fill in the SSP Task IU */ - scic_sds_task_request_build_ssp_task_iu(sci_req); + scic_sds_task_request_build_ssp_task_iu(ireq); - sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED); + sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); return SCI_SUCCESS; } -static enum sci_status scic_io_request_construct_basic_sata(struct scic_sds_request *sci_req) +static enum sci_status scic_io_request_construct_basic_sata(struct isci_request *ireq) { enum sci_status status; bool copy = false; - struct isci_request *isci_request = sci_req_to_ireq(sci_req); - struct sas_task *task = isci_request_access_task(isci_request); + struct sas_task *task = isci_request_access_task(ireq); - sci_req->protocol = SCIC_STP_PROTOCOL; + ireq->protocol = SCIC_STP_PROTOCOL; copy = (task->data_dir == DMA_NONE) ? false : true; - status = scic_io_request_construct_sata(sci_req, + status = scic_io_request_construct_sata(ireq, task->total_xfer_len, task->data_dir, copy); if (status == SCI_SUCCESS) - sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED); + sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); return status; } -enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_req) +enum sci_status scic_task_request_construct_sata(struct isci_request *ireq) { enum sci_status status = SCI_SUCCESS; - struct isci_request *ireq = sci_req_to_ireq(sci_req); /* check for management protocols */ if (ireq->ttype == tmf_task) { @@ -627,12 +617,12 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re if (tmf->tmf_code == isci_tmf_sata_srst_high || tmf->tmf_code == isci_tmf_sata_srst_low) { - scu_stp_raw_request_construct_task_context(sci_req); + scu_stp_raw_request_construct_task_context(ireq); } else { - dev_err(scic_to_dev(sci_req->owning_controller), + dev_err(scic_to_dev(ireq->owning_controller), "%s: Request 0x%p received un-handled SAT " "Protocol 0x%x.\n", - __func__, sci_req, tmf->tmf_code); + __func__, ireq, tmf->tmf_code); return SCI_FAILURE; } @@ -640,7 +630,7 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re if (status != SCI_SUCCESS) return status; - sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED); + sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); return status; } @@ -650,9 +640,9 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re * @sci_req: request that was terminated early */ #define SCU_TASK_CONTEXT_SRAM 0x200000 -static u32 sci_req_tx_bytes(struct scic_sds_request *sci_req) +static u32 sci_req_tx_bytes(struct isci_request *ireq) { - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; u32 ret_val = 0; if (readl(&scic->smu_registers->address_modifier) == 0) { @@ -666,19 +656,19 @@ static u32 sci_req_tx_bytes(struct scic_sds_request *sci_req) */ ret_val = readl(scu_reg_base + (SCU_TASK_CONTEXT_SRAM + offsetof(struct scu_task_context, type.ssp.data_offset)) + - ((sizeof(struct scu_task_context)) * ISCI_TAG_TCI(sci_req->io_tag))); + ((sizeof(struct scu_task_context)) * ISCI_TAG_TCI(ireq->io_tag))); } return ret_val; } -enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req) +enum sci_status scic_sds_request_start(struct isci_request *ireq) { enum sci_base_request_states state; - struct scu_task_context *tc = sci_req->tc; - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scu_task_context *tc = ireq->tc; + struct scic_sds_controller *scic = ireq->owning_controller; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; if (state != SCI_REQ_CONSTRUCTED) { dev_warn(scic_to_dev(scic), "%s: SCIC IO Request requested to start while in wrong " @@ -686,19 +676,19 @@ enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req) return SCI_FAILURE_INVALID_STATE; } - tc->task_index = ISCI_TAG_TCI(sci_req->io_tag); + tc->task_index = ISCI_TAG_TCI(ireq->io_tag); switch (tc->protocol_type) { case SCU_TASK_CONTEXT_PROTOCOL_SMP: case SCU_TASK_CONTEXT_PROTOCOL_SSP: /* SSP/SMP Frame */ - tc->type.ssp.tag = sci_req->io_tag; + tc->type.ssp.tag = ireq->io_tag; tc->type.ssp.target_port_transfer_tag = 0xFFFF; break; case SCU_TASK_CONTEXT_PROTOCOL_STP: /* STP/SATA Frame - * tc->type.stp.ncq_tag = sci_req->ncq_tag; + * tc->type.stp.ncq_tag = ireq->ncq_tag; */ break; @@ -713,28 +703,28 @@ enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req) } /* Add to the post_context the io tag value */ - sci_req->post_context |= ISCI_TAG_TCI(sci_req->io_tag); + ireq->post_context |= ISCI_TAG_TCI(ireq->io_tag); /* Everything is good go ahead and change state */ - sci_change_state(&sci_req->sm, SCI_REQ_STARTED); + sci_change_state(&ireq->sm, SCI_REQ_STARTED); return SCI_SUCCESS; } enum sci_status -scic_sds_io_request_terminate(struct scic_sds_request *sci_req) +scic_sds_io_request_terminate(struct isci_request *ireq) { enum sci_base_request_states state; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; switch (state) { case SCI_REQ_CONSTRUCTED: - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_TASK_ABORT, SCI_FAILURE_IO_TERMINATED); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; case SCI_REQ_STARTED: case SCI_REQ_TASK_WAIT_TC_COMP: @@ -751,54 +741,54 @@ scic_sds_io_request_terminate(struct scic_sds_request *sci_req) case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED: case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG: case SCI_REQ_STP_SOFT_RESET_WAIT_D2H: - sci_change_state(&sci_req->sm, SCI_REQ_ABORTING); + sci_change_state(&ireq->sm, SCI_REQ_ABORTING); return SCI_SUCCESS; case SCI_REQ_TASK_WAIT_TC_RESP: - sci_change_state(&sci_req->sm, SCI_REQ_ABORTING); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_ABORTING); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; case SCI_REQ_ABORTING: - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; case SCI_REQ_COMPLETED: default: - dev_warn(scic_to_dev(sci_req->owning_controller), + dev_warn(scic_to_dev(ireq->owning_controller), "%s: SCIC IO Request requested to abort while in wrong " "state %d\n", __func__, - sci_req->sm.current_state_id); + ireq->sm.current_state_id); break; } return SCI_FAILURE_INVALID_STATE; } -enum sci_status scic_sds_request_complete(struct scic_sds_request *sci_req) +enum sci_status scic_sds_request_complete(struct isci_request *ireq) { enum sci_base_request_states state; - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; if (WARN_ONCE(state != SCI_REQ_COMPLETED, "isci: request completion from wrong state (%d)\n", state)) return SCI_FAILURE_INVALID_STATE; - if (sci_req->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX) + if (ireq->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX) scic_sds_controller_release_frame(scic, - sci_req->saved_rx_frame_index); + ireq->saved_rx_frame_index); /* XXX can we just stop the machine and remove the 'final' state? */ - sci_change_state(&sci_req->sm, SCI_REQ_FINAL); + sci_change_state(&ireq->sm, SCI_REQ_FINAL); return SCI_SUCCESS; } -enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_req, +enum sci_status scic_sds_io_request_event_handler(struct isci_request *ireq, u32 event_code) { enum sci_base_request_states state; - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; if (state != SCI_REQ_STP_PIO_DATA_IN) { dev_warn(scic_to_dev(scic), "%s: (%x) in wrong state %d\n", @@ -812,7 +802,7 @@ enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_r /* We are waiting for data and the SCU has R_ERR the data frame. * Go back to waiting for the D2H Register FIS */ - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME); return SCI_SUCCESS; default: dev_err(scic_to_dev(scic), @@ -832,15 +822,14 @@ enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_r * @sci_req: This parameter specifies the request object for which to copy * the response data. */ -static void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req) +static void scic_sds_io_request_copy_response(struct isci_request *ireq) { void *resp_buf; u32 len; struct ssp_response_iu *ssp_response; - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq); - ssp_response = &sci_req->ssp.rsp; + ssp_response = &ireq->ssp.rsp; resp_buf = &isci_tmf->resp.resp_iu; @@ -852,7 +841,7 @@ static void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req) } static enum sci_status -request_started_state_tc_event(struct scic_sds_request *sci_req, +request_started_state_tc_event(struct isci_request *ireq, u32 completion_code) { struct ssp_response_iu *resp_iu; @@ -863,7 +852,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, */ switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); break; @@ -875,19 +864,19 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, * truly a failed request or a good request that just got * completed early. */ - struct ssp_response_iu *resp = &sci_req->ssp.rsp; + struct ssp_response_iu *resp = &ireq->ssp.rsp; ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32); - sci_swab32_cpy(&sci_req->ssp.rsp, - &sci_req->ssp.rsp, + sci_swab32_cpy(&ireq->ssp.rsp, + &ireq->ssp.rsp, word_cnt); if (resp->status == 0) { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS_IO_DONE_EARLY); } else { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); } @@ -896,11 +885,11 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CHECK_RESPONSE): { ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32); - sci_swab32_cpy(&sci_req->ssp.rsp, - &sci_req->ssp.rsp, + sci_swab32_cpy(&ireq->ssp.rsp, + &ireq->ssp.rsp, word_cnt); - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); break; @@ -911,15 +900,15 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, * guaranteed to be received before this completion status is * posted? */ - resp_iu = &sci_req->ssp.rsp; + resp_iu = &ireq->ssp.rsp; datapres = resp_iu->datapres; if (datapres == 1 || datapres == 2) { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); } else - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); break; @@ -935,13 +924,13 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_UNEXP_SDBFIS): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_REG_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SDB_ERR): - if (sci_req->protocol == SCIC_STP_PROTOCOL) { - scic_sds_request_set_status(sci_req, + if (ireq->protocol == SCIC_STP_PROTOCOL) { + scic_sds_request_set_status(ireq, SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT, SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED); } else { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT, SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); @@ -959,7 +948,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_STP_RESOURCES_BUSY): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_PROTOCOL_NOT_SUPPORTED): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_CONNECTION_RATE_NOT_SUPPORTED): - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT, SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED); @@ -983,7 +972,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_RNCNV_OUTBOUND): default: scic_sds_request_set_status( - sci_req, + ireq, SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT, SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); @@ -995,21 +984,21 @@ request_started_state_tc_event(struct scic_sds_request *sci_req, */ /* In all cases we will treat this as the completion of the IO req. */ - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); return SCI_SUCCESS; } static enum sci_status -request_aborting_state_tc_event(struct scic_sds_request *sci_req, +request_aborting_state_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case (SCU_TASK_DONE_GOOD << SCU_COMPLETION_TL_STATUS_SHIFT): case (SCU_TASK_DONE_TASK_ABORT << SCU_COMPLETION_TL_STATUS_SHIFT): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_TASK_ABORT, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_TASK_ABORT, SCI_FAILURE_IO_TERMINATED); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; default: @@ -1022,15 +1011,15 @@ request_aborting_state_tc_event(struct scic_sds_request *sci_req, return SCI_SUCCESS; } -static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request *sci_req, +static enum sci_status ssp_task_request_await_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_TASK_WAIT_TC_RESP); + sci_change_state(&ireq->sm, SCI_REQ_TASK_WAIT_TC_RESP); break; case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_ACK_NAK_TO): /* Currently, the decision is to simply allow the task request @@ -1038,12 +1027,12 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request * * There is a potential for receiving multiple task responses if * we decide to send the task IU again. */ - dev_warn(scic_to_dev(sci_req->owning_controller), + dev_warn(scic_to_dev(ireq->owning_controller), "%s: TaskRequest:0x%p CompletionCode:%x - " - "ACK/NAK timeout\n", __func__, sci_req, + "ACK/NAK timeout\n", __func__, ireq, completion_code); - sci_change_state(&sci_req->sm, SCI_REQ_TASK_WAIT_TC_RESP); + sci_change_state(&ireq->sm, SCI_REQ_TASK_WAIT_TC_RESP); break; default: /* @@ -1051,11 +1040,11 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request * * If a NAK was received, then it is up to the user to retry * the request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -1063,7 +1052,7 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request * } static enum sci_status -smp_request_await_response_tc_event(struct scic_sds_request *sci_req, +smp_request_await_response_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { @@ -1072,10 +1061,10 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req, * unexpected. but if the TC has success status, we * complete the IO anyway. */ - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_RESP_TO_ERR): @@ -1089,21 +1078,21 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req, * these SMP_XXX_XX_ERR status. For these type of error, * we ask scic user to retry the request. */ - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_SMP_RESP_TO_ERR, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_SMP_RESP_TO_ERR, SCI_FAILURE_RETRY_REQUIRED); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; default: /* All other completion status cause the IO to be complete. If a NAK * was received, then it is up to the user to retry the request */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -1111,50 +1100,50 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req, } static enum sci_status -smp_request_await_tc_event(struct scic_sds_request *sci_req, +smp_request_await_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; default: /* All other completion status cause the IO to be * complete. If a NAK was received, then it is up to * the user to retry the request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } return SCI_SUCCESS; } -void scic_stp_io_request_set_ncq_tag(struct scic_sds_request *req, +void scic_stp_io_request_set_ncq_tag(struct isci_request *ireq, u16 ncq_tag) { /** * @note This could be made to return an error to the user if the user * attempts to set the NCQ tag in the wrong state. */ - req->tc->type.stp.ncq_tag = ncq_tag; + ireq->tc->type.stp.ncq_tag = ncq_tag; } static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req) { struct scu_sgl_element *sgl; struct scu_sgl_element_pair *sgl_pair; - struct scic_sds_request *sci_req = to_sci_req(stp_req); + struct isci_request *ireq = to_ireq(stp_req); struct isci_stp_pio_sgl *pio_sgl = &stp_req->sgl; - sgl_pair = to_sgl_element_pair(sci_req, pio_sgl->index); + sgl_pair = to_sgl_element_pair(ireq, pio_sgl->index); if (!sgl_pair) sgl = NULL; else if (pio_sgl->set == SCU_SGL_ELEMENT_PAIR_A) { @@ -1172,7 +1161,7 @@ static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req) } else { pio_sgl->index++; pio_sgl->set = SCU_SGL_ELEMENT_PAIR_A; - sgl_pair = to_sgl_element_pair(sci_req, pio_sgl->index); + sgl_pair = to_sgl_element_pair(ireq, pio_sgl->index); sgl = &sgl_pair->A; } } @@ -1181,15 +1170,15 @@ static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req) } static enum sci_status -stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req, +stp_request_non_data_await_h2d_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_STP_NON_DATA_WAIT_D2H); + sci_change_state(&ireq->sm, SCI_REQ_STP_NON_DATA_WAIT_D2H); break; default: @@ -1197,11 +1186,11 @@ stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req, * complete. If a NAK was received, then it is up to * the user to retry the request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -1214,18 +1203,18 @@ stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req, * parameter length. current sgl and offset is alreay stored in the IO request */ static enum sci_status scic_sds_stp_request_pio_data_out_trasmit_data_frame( - struct scic_sds_request *sci_req, + struct isci_request *ireq, u32 length) { - struct isci_stp_request *stp_req = &sci_req->stp.req; - struct scu_task_context *task_context = sci_req->tc; + struct isci_stp_request *stp_req = &ireq->stp.req; + struct scu_task_context *task_context = ireq->tc; struct scu_sgl_element_pair *sgl_pair; struct scu_sgl_element *current_sgl; /* Recycle the TC and reconstruct it for sending out DATA FIS containing * for the data from current_sgl+offset for the input length */ - sgl_pair = to_sgl_element_pair(sci_req, stp_req->sgl.index); + sgl_pair = to_sgl_element_pair(ireq, stp_req->sgl.index); if (stp_req->sgl.set == SCU_SGL_ELEMENT_PAIR_A) current_sgl = &sgl_pair->A; else @@ -1238,12 +1227,12 @@ static enum sci_status scic_sds_stp_request_pio_data_out_trasmit_data_frame( task_context->type.stp.fis_type = FIS_DATA; /* send the new TC out. */ - return scic_controller_continue_io(sci_req); + return scic_controller_continue_io(ireq); } -static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct scic_sds_request *sci_req) +static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct isci_request *ireq) { - struct isci_stp_request *stp_req = &sci_req->stp.req; + struct isci_stp_request *stp_req = &ireq->stp.req; struct scu_sgl_element_pair *sgl_pair; struct scu_sgl_element *sgl; enum sci_status status; @@ -1251,7 +1240,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc u32 len = 0; offset = stp_req->sgl.offset; - sgl_pair = to_sgl_element_pair(sci_req, stp_req->sgl.index); + sgl_pair = to_sgl_element_pair(ireq, stp_req->sgl.index); if (WARN_ONCE(!sgl_pair, "%s: null sgl element", __func__)) return SCI_FAILURE; @@ -1267,7 +1256,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc return SCI_SUCCESS; if (stp_req->pio_len >= len) { - status = scic_sds_stp_request_pio_data_out_trasmit_data_frame(sci_req, len); + status = scic_sds_stp_request_pio_data_out_trasmit_data_frame(ireq, len); if (status != SCI_SUCCESS) return status; stp_req->pio_len -= len; @@ -1276,7 +1265,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc sgl = pio_sgl_next(stp_req); offset = 0; } else if (stp_req->pio_len < len) { - scic_sds_stp_request_pio_data_out_trasmit_data_frame(sci_req, stp_req->pio_len); + scic_sds_stp_request_pio_data_out_trasmit_data_frame(ireq, stp_req->pio_len); /* Sgl offset will be adjusted and saved for future */ offset += stp_req->pio_len; @@ -1302,7 +1291,6 @@ static enum sci_status scic_sds_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req, u8 *data_buf, u32 len) { - struct scic_sds_request *sci_req; struct isci_request *ireq; u8 *src_addr; int copy_len; @@ -1311,8 +1299,7 @@ scic_sds_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_r void *kaddr; int total_len = len; - sci_req = to_sci_req(stp_req); - ireq = sci_req_to_ireq(sci_req); + ireq = to_ireq(stp_req); task = isci_request_access_task(ireq); src_addr = data_buf; @@ -1373,18 +1360,18 @@ static enum sci_status scic_sds_stp_request_pio_data_in_copy_data( } static enum sci_status -stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req, +stp_request_pio_await_h2d_completion_tc_event(struct isci_request *ireq, u32 completion_code) { enum sci_status status = SCI_SUCCESS; switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME); break; default: @@ -1392,11 +1379,11 @@ stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req, * complete. If a NAK was received, then it is up to * the user to retry the request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -1404,18 +1391,18 @@ stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req, } static enum sci_status -pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req, +pio_data_out_tx_done_tc_event(struct isci_request *ireq, u32 completion_code) { enum sci_status status = SCI_SUCCESS; bool all_frames_transferred = false; - struct isci_stp_request *stp_req = &sci_req->stp.req; + struct isci_stp_request *stp_req = &ireq->stp.req; switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): /* Transmit data */ if (stp_req->pio_len != 0) { - status = scic_sds_stp_request_pio_data_out_transmit_data(sci_req); + status = scic_sds_stp_request_pio_data_out_transmit_data(ireq); if (status == SCI_SUCCESS) { if (stp_req->pio_len == 0) all_frames_transferred = true; @@ -1433,7 +1420,7 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req, /* * Change the state to SCI_REQ_STP_PIO_DATA_IN * and wait for PIO_SETUP fis / or D2H REg fis. */ - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME); } break; @@ -1444,11 +1431,11 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req, * the request. */ scic_sds_request_set_status( - sci_req, + ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -1456,18 +1443,18 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req, } static void scic_sds_stp_request_udma_complete_request( - struct scic_sds_request *request, + struct isci_request *ireq, u32 scu_status, enum sci_status sci_status) { - scic_sds_request_set_status(request, scu_status, sci_status); - sci_change_state(&request->sm, SCI_REQ_COMPLETED); + scic_sds_request_set_status(ireq, scu_status, sci_status); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); } -static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct scic_sds_request *sci_req, +static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct isci_request *ireq, u32 frame_index) { - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; struct dev_to_host_fis *frame_header; enum sci_status status; u32 *frame_buffer; @@ -1482,7 +1469,7 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct sc frame_index, (void **)&frame_buffer); - scic_sds_controller_copy_sata_response(&sci_req->stp.rsp, + scic_sds_controller_copy_sata_response(&ireq->stp.rsp, frame_header, frame_buffer); } @@ -1493,16 +1480,16 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct sc } enum sci_status -scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, +scic_sds_io_request_frame_handler(struct isci_request *ireq, u32 frame_index) { - struct scic_sds_controller *scic = sci_req->owning_controller; - struct isci_stp_request *stp_req = &sci_req->stp.req; + struct scic_sds_controller *scic = ireq->owning_controller; + struct isci_stp_request *stp_req = &ireq->stp.req; enum sci_base_request_states state; enum sci_status status; ssize_t word_cnt; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; switch (state) { case SCI_REQ_STARTED: { struct ssp_frame_hdr ssp_hdr; @@ -1523,24 +1510,24 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, frame_index, (void **)&resp_iu); - sci_swab32_cpy(&sci_req->ssp.rsp, resp_iu, word_cnt); + sci_swab32_cpy(&ireq->ssp.rsp, resp_iu, word_cnt); - resp_iu = &sci_req->ssp.rsp; + resp_iu = &ireq->ssp.rsp; if (resp_iu->datapres == 0x01 || resp_iu->datapres == 0x02) { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); } else - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); } else { /* not a response frame, why did it get forwarded? */ dev_err(scic_to_dev(scic), "%s: SCIC IO Request 0x%p received unexpected " - "frame %d type 0x%02x\n", __func__, sci_req, + "frame %d type 0x%02x\n", __func__, ireq, frame_index, ssp_hdr.frame_type); } @@ -1554,13 +1541,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, } case SCI_REQ_TASK_WAIT_TC_RESP: - scic_sds_io_request_copy_response(sci_req); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + scic_sds_io_request_copy_response(ireq); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); scic_sds_controller_release_frame(scic,frame_index); return SCI_SUCCESS; case SCI_REQ_SMP_WAIT_RESP: { - struct smp_resp *rsp_hdr = &sci_req->smp.rsp; + struct smp_resp *rsp_hdr = &ireq->smp.rsp; void *frame_header; scic_sds_unsolicited_frame_control_get_header(&scic->uf_control, @@ -1584,10 +1571,10 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, sci_swab32_cpy(((u8 *) rsp_hdr) + SMP_RESP_HDR_SZ, smp_resp, word_cnt); - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_SMP_WAIT_TC_COMP); + sci_change_state(&ireq->sm, SCI_REQ_SMP_WAIT_TC_COMP); } else { /* * This was not a response frame why did it get @@ -1597,15 +1584,15 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, "%s: SCIC SMP Request 0x%p received unexpected " "frame %d type 0x%02x\n", __func__, - sci_req, + ireq, frame_index, rsp_hdr->frame_type); - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_SMP_FRM_TYPE_ERR, SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); } scic_sds_controller_release_frame(scic, frame_index); @@ -1614,18 +1601,18 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, } case SCI_REQ_STP_UDMA_WAIT_TC_COMP: - return scic_sds_stp_request_udma_general_frame_handler(sci_req, + return scic_sds_stp_request_udma_general_frame_handler(ireq, frame_index); case SCI_REQ_STP_UDMA_WAIT_D2H: /* Use the general frame handler to copy the resposne data */ - status = scic_sds_stp_request_udma_general_frame_handler(sci_req, + status = scic_sds_stp_request_udma_general_frame_handler(ireq, frame_index); if (status != SCI_SUCCESS) return status; - scic_sds_stp_request_udma_complete_request(sci_req, + scic_sds_stp_request_udma_complete_request(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); @@ -1657,12 +1644,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, frame_index, (void **)&frame_buffer); - scic_sds_controller_copy_sata_response(&sci_req->stp.rsp, + scic_sds_controller_copy_sata_response(&ireq->stp.rsp, frame_header, frame_buffer); /* The command has completed with error */ - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_CHECK_RESPONSE, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); break; @@ -1672,12 +1659,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, "violation occurred\n", __func__, stp_req, frame_index); - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_UNEXP_FIS, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_UNEXP_FIS, SCI_FAILURE_PROTOCOL_VIOLATION); break; } - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); /* Frame has been decoded return it to the controller */ scic_sds_controller_release_frame(scic, frame_index); @@ -1686,7 +1673,6 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, } case SCI_REQ_STP_PIO_WAIT_FRAME: { - struct isci_request *ireq = sci_req_to_ireq(sci_req); struct sas_task *task = isci_request_access_task(ireq); struct dev_to_host_fis *frame_header; u32 *frame_buffer; @@ -1722,28 +1708,28 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, /* status: 4th byte in the 3rd dword */ stp_req->status = (frame_buffer[2] >> 24) & 0xff; - scic_sds_controller_copy_sata_response(&sci_req->stp.rsp, + scic_sds_controller_copy_sata_response(&ireq->stp.rsp, frame_header, frame_buffer); - sci_req->stp.rsp.status = stp_req->status; + ireq->stp.rsp.status = stp_req->status; /* The next state is dependent on whether the * request was PIO Data-in or Data out */ if (task->data_dir == DMA_FROM_DEVICE) { - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_DATA_IN); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_DATA_IN); } else if (task->data_dir == DMA_TO_DEVICE) { /* Transmit data */ - status = scic_sds_stp_request_pio_data_out_transmit_data(sci_req); + status = scic_sds_stp_request_pio_data_out_transmit_data(ireq); if (status != SCI_SUCCESS) break; - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_DATA_OUT); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_DATA_OUT); } break; case FIS_SETDEVBITS: - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME); break; case FIS_REGD2H: @@ -1767,15 +1753,15 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, frame_index, (void **)&frame_buffer); - scic_sds_controller_copy_sata_response(&sci_req->stp.req, + scic_sds_controller_copy_sata_response(&ireq->stp.req, frame_header, frame_buffer); - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; default: @@ -1818,11 +1804,11 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, frame_index, frame_header->fis_type); - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_FAILURE_IO_REQUIRES_SCSI_ABORT); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); /* Frame is decoded return it to the controller */ scic_sds_controller_release_frame(scic, frame_index); @@ -1830,7 +1816,7 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, } if (stp_req->sgl.index < 0) { - sci_req->saved_rx_frame_index = frame_index; + ireq->saved_rx_frame_index = frame_index; stp_req->pio_len = 0; } else { scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control, @@ -1851,13 +1837,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, return status; if ((stp_req->status & ATA_BUSY) == 0) { - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); } else { - sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME); + sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME); } return status; } @@ -1886,12 +1872,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, frame_index, (void **)&frame_buffer); - scic_sds_controller_copy_sata_response(&sci_req->stp.rsp, + scic_sds_controller_copy_sata_response(&ireq->stp.rsp, frame_header, frame_buffer); /* The command has completed with error */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); break; @@ -1904,13 +1890,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, stp_req, frame_index); - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_UNEXP_FIS, SCI_FAILURE_PROTOCOL_VIOLATION); break; } - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); /* Frame has been decoded return it to the controller */ scic_sds_controller_release_frame(scic, frame_index); @@ -1938,14 +1924,14 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, } } -static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *sci_req, +static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq, u32 completion_code) { enum sci_status status = SCI_SUCCESS; switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_stp_request_udma_complete_request(sci_req, + scic_sds_stp_request_udma_complete_request(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); break; @@ -1955,11 +1941,11 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request * * Register FIS was received before we got the TC * completion. */ - if (sci_req->stp.rsp.fis_type == FIS_REGD2H) { - scic_sds_remote_device_suspend(sci_req->target_device, + if (ireq->stp.rsp.fis_type == FIS_REGD2H) { + scic_sds_remote_device_suspend(ireq->target_device, SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code))); - scic_sds_stp_request_udma_complete_request(sci_req, + scic_sds_stp_request_udma_complete_request(ireq, SCU_TASK_DONE_CHECK_RESPONSE, SCI_FAILURE_IO_RESPONSE_VALID); } else { @@ -1968,7 +1954,7 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request * * the device so we must change state to wait * for it */ - sci_change_state(&sci_req->sm, SCI_REQ_STP_UDMA_WAIT_D2H); + sci_change_state(&ireq->sm, SCI_REQ_STP_UDMA_WAIT_D2H); } break; @@ -1983,12 +1969,12 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request * case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_LL_R_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CMD_LL_R_ERR): case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CRC_ERR): - scic_sds_remote_device_suspend(sci_req->target_device, + scic_sds_remote_device_suspend(ireq->target_device, SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code))); /* Fall through to the default case */ default: /* All other completion status cause the IO to be complete. */ - scic_sds_stp_request_udma_complete_request(sci_req, + scic_sds_stp_request_udma_complete_request(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); break; @@ -1998,15 +1984,15 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request * } static enum sci_status -stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_req, +stp_request_soft_reset_await_h2d_asserted_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG); + sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG); break; default: @@ -2015,11 +2001,11 @@ stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_ * If a NAK was received, then it is up to the user to retry * the request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -2027,15 +2013,15 @@ stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_ } static enum sci_status -stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sci_req, +stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct isci_request *ireq, u32 completion_code) { switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) { case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD): - scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD, + scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD, SCI_SUCCESS); - sci_change_state(&sci_req->sm, SCI_REQ_STP_SOFT_RESET_WAIT_D2H); + sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_D2H); break; default: @@ -2043,11 +2029,11 @@ stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sc * a NAK was received, then it is up to the user to retry the * request. */ - scic_sds_request_set_status(sci_req, + scic_sds_request_set_status(ireq, SCU_NORMALIZE_COMPLETION_STATUS(completion_code), SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR); - sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED); + sci_change_state(&ireq->sm, SCI_REQ_COMPLETED); break; } @@ -2055,54 +2041,54 @@ stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sc } enum sci_status -scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req, +scic_sds_io_request_tc_completion(struct isci_request *ireq, u32 completion_code) { enum sci_base_request_states state; - struct scic_sds_controller *scic = sci_req->owning_controller; + struct scic_sds_controller *scic = ireq->owning_controller; - state = sci_req->sm.current_state_id; + state = ireq->sm.current_state_id; switch (state) { case SCI_REQ_STARTED: - return request_started_state_tc_event(sci_req, completion_code); + return request_started_state_tc_event(ireq, completion_code); case SCI_REQ_TASK_WAIT_TC_COMP: - return ssp_task_request_await_tc_event(sci_req, + return ssp_task_request_await_tc_event(ireq, completion_code); case SCI_REQ_SMP_WAIT_RESP: - return smp_request_await_response_tc_event(sci_req, + return smp_request_await_response_tc_event(ireq, completion_code); case SCI_REQ_SMP_WAIT_TC_COMP: - return smp_request_await_tc_event(sci_req, completion_code); + return smp_request_await_tc_event(ireq, completion_code); case SCI_REQ_STP_UDMA_WAIT_TC_COMP: - return stp_request_udma_await_tc_event(sci_req, + return stp_request_udma_await_tc_event(ireq, completion_code); case SCI_REQ_STP_NON_DATA_WAIT_H2D: - return stp_request_non_data_await_h2d_tc_event(sci_req, + return stp_request_non_data_await_h2d_tc_event(ireq, completion_code); case SCI_REQ_STP_PIO_WAIT_H2D: - return stp_request_pio_await_h2d_completion_tc_event(sci_req, + return stp_request_pio_await_h2d_completion_tc_event(ireq, completion_code); case SCI_REQ_STP_PIO_DATA_OUT: - return pio_data_out_tx_done_tc_event(sci_req, completion_code); + return pio_data_out_tx_done_tc_event(ireq, completion_code); case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED: - return stp_request_soft_reset_await_h2d_asserted_tc_event(sci_req, + return stp_request_soft_reset_await_h2d_asserted_tc_event(ireq, completion_code); case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG: - return stp_request_soft_reset_await_h2d_diagnostic_tc_event(sci_req, + return stp_request_soft_reset_await_h2d_diagnostic_tc_event(ireq, completion_code); case SCI_REQ_ABORTING: - return request_aborting_state_tc_event(sci_req, + return request_aborting_state_tc_event(ireq, completion_code); default: @@ -2201,7 +2187,7 @@ static void isci_request_handle_controller_specific_errors( { unsigned int cstatus; - cstatus = request->sci.scu_status; + cstatus = request->scu_status; dev_dbg(&request->isci_host->pdev->dev, "%s: %p SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR " @@ -2640,13 +2626,13 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, task); if (sas_protocol_ata(task->task_proto)) { - resp_buf = &request->sci.stp.rsp; + resp_buf = &request->stp.rsp; isci_request_process_stp_response(task, resp_buf); } else if (SAS_PROTOCOL_SSP == task->task_proto) { /* crack the iu response buffer. */ - resp_iu = &request->sci.ssp.rsp; + resp_iu = &request->ssp.rsp; isci_request_process_response_iu(task, resp_iu, &isci_host->pdev->dev); @@ -2677,7 +2663,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags); if (task->task_proto == SAS_PROTOCOL_SMP) { - void *rsp = &request->sci.smp.rsp; + void *rsp = &request->smp.rsp; dev_dbg(&isci_host->pdev->dev, "%s: SMP protocol completion\n", @@ -2693,7 +2679,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, * There is a possibility that less data than * the maximum was transferred. */ - u32 transferred_length = sci_req_tx_bytes(&request->sci); + u32 transferred_length = sci_req_tx_bytes(request); task->task_status.residual = task->total_xfer_len - transferred_length; @@ -2851,8 +2837,8 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, /* complete the io request to the core. */ scic_controller_complete_io(&isci_host->sci, - request->sci.target_device, - &request->sci); + request->target_device, + request); isci_put_device(idev); /* set terminated handle so it cannot be completed or @@ -2864,9 +2850,8 @@ static void isci_request_io_request_complete(struct isci_host *isci_host, static void scic_sds_request_started_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); - struct isci_request *ireq = sci_req_to_ireq(sci_req); - struct domain_device *dev = sci_dev_to_domain(sci_req->target_device); + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); + struct domain_device *dev = sci_dev_to_domain(ireq->target_device); struct sas_task *task; /* XXX as hch said always creating an internal sas_task for tmf @@ -2902,66 +2887,65 @@ static void scic_sds_request_started_state_enter(struct sci_base_state_machine * static void scic_sds_request_completed_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); - struct scic_sds_controller *scic = sci_req->owning_controller; + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); + struct scic_sds_controller *scic = ireq->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); - struct isci_request *ireq = sci_req_to_ireq(sci_req); /* Tell the SCI_USER that the IO request is complete */ if (!test_bit(IREQ_TMF, &ireq->flags)) isci_request_io_request_complete(ihost, ireq, - sci_req->sci_status); + ireq->sci_status); else - isci_task_request_complete(ihost, ireq, sci_req->sci_status); + isci_task_request_complete(ihost, ireq, ireq->sci_status); } static void scic_sds_request_aborting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); /* Setting the abort bit in the Task Context is required by the silicon. */ - sci_req->tc->abort = 1; + ireq->tc->abort = 1; } static void scic_sds_stp_request_started_non_data_await_h2d_completion_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); - scic_sds_remote_device_set_working_request(sci_req->target_device, - sci_req); + scic_sds_remote_device_set_working_request(ireq->target_device, + ireq); } static void scic_sds_stp_request_started_pio_await_h2d_completion_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); - scic_sds_remote_device_set_working_request(sci_req->target_device, - sci_req); + scic_sds_remote_device_set_working_request(ireq->target_device, + ireq); } static void scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); - scic_sds_remote_device_set_working_request(sci_req->target_device, - sci_req); + scic_sds_remote_device_set_working_request(ireq->target_device, + ireq); } static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter(struct sci_base_state_machine *sm) { - struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm); - struct scu_task_context *tc = sci_req->tc; + struct isci_request *ireq = container_of(sm, typeof(*ireq), sm); + struct scu_task_context *tc = ireq->tc; struct host_to_dev_fis *h2d_fis; enum sci_status status; /* Clear the SRST bit */ - h2d_fis = &sci_req->stp.cmd; + h2d_fis = &ireq->stp.cmd; h2d_fis->control = 0; /* Clear the TC control bit */ tc->control_frame = 0; - status = scic_controller_continue_io(sci_req); + status = scic_controller_continue_io(ireq); WARN_ONCE(status != SCI_SUCCESS, "isci: continue io failure\n"); } @@ -3006,29 +2990,29 @@ static const struct sci_base_state scic_sds_request_state_table[] = { static void scic_sds_general_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { - sci_init_sm(&sci_req->sm, scic_sds_request_state_table, SCI_REQ_INIT); + sci_init_sm(&ireq->sm, scic_sds_request_state_table, SCI_REQ_INIT); - sci_req->target_device = sci_dev; - sci_req->protocol = SCIC_NO_PROTOCOL; - sci_req->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX; + ireq->target_device = sci_dev; + ireq->protocol = SCIC_NO_PROTOCOL; + ireq->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX; - sci_req->sci_status = SCI_SUCCESS; - sci_req->scu_status = 0; - sci_req->post_context = 0xFFFFFFFF; + ireq->sci_status = SCI_SUCCESS; + ireq->scu_status = 0; + ireq->post_context = 0xFFFFFFFF; } static enum sci_status scic_io_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - struct scic_sds_request *sci_req) + struct isci_request *ireq) { struct domain_device *dev = sci_dev_to_domain(sci_dev); enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, sci_dev, sci_req); + scic_sds_general_request_construct(scic, sci_dev, ireq); if (sci_dev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) return SCI_FAILURE_INVALID_REMOTE_DEVICE; @@ -3036,31 +3020,31 @@ scic_io_request_construct(struct scic_sds_controller *scic, if (dev->dev_type == SAS_END_DEV) /* pass */; else if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) - memset(&sci_req->stp.cmd, 0, sizeof(sci_req->stp.cmd)); + memset(&ireq->stp.cmd, 0, sizeof(ireq->stp.cmd)); else if (dev_is_expander(dev)) /* pass */; else return SCI_FAILURE_UNSUPPORTED_PROTOCOL; - memset(sci_req->tc, 0, offsetof(struct scu_task_context, sgl_pair_ab)); + memset(ireq->tc, 0, offsetof(struct scu_task_context, sgl_pair_ab)); return status; } enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, - u16 io_tag, struct scic_sds_request *sci_req) + u16 io_tag, struct isci_request *ireq) { struct domain_device *dev = sci_dev_to_domain(sci_dev); enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, sci_dev, sci_req); + scic_sds_general_request_construct(scic, sci_dev, ireq); if (dev->dev_type == SAS_END_DEV || dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { - set_bit(IREQ_TMF, &sci_req_to_ireq(sci_req)->flags); - memset(sci_req->tc, 0, sizeof(struct scu_task_context)); + set_bit(IREQ_TMF, &ireq->flags); + memset(ireq->tc, 0, sizeof(struct scu_task_context)); } else status = SCI_FAILURE_UNSUPPORTED_PROTOCOL; @@ -3076,7 +3060,7 @@ static enum sci_status isci_request_ssp_request_construct( "%s: request = %p\n", __func__, request); - status = scic_io_request_construct_basic_ssp(&request->sci); + status = scic_io_request_construct_basic_ssp(request); return status; } @@ -3097,7 +3081,7 @@ static enum sci_status isci_request_stp_request_construct( */ register_fis = isci_sata_task_to_fis_copy(task); - status = scic_io_request_construct_basic_sata(&request->sci); + status = scic_io_request_construct_basic_sata(request); /* Set the ncq tag in the fis, from the queue * command in the task. @@ -3115,7 +3099,7 @@ static enum sci_status isci_request_stp_request_construct( static enum sci_status scic_io_request_construct_smp(struct device *dev, - struct scic_sds_request *sci_req, + struct isci_request *ireq, struct sas_task *task) { struct scatterlist *sg = &task->smp_task.smp_req; @@ -3158,14 +3142,14 @@ scic_io_request_construct_smp(struct device *dev, if (!dma_map_sg(dev, sg, 1, DMA_TO_DEVICE)) return SCI_FAILURE; - sci_req->protocol = SCIC_SMP_PROTOCOL; + ireq->protocol = SCIC_SMP_PROTOCOL; /* byte swap the smp request. */ - task_context = sci_req->tc; + task_context = ireq->tc; - sci_dev = scic_sds_request_get_device(sci_req); - sci_port = scic_sds_request_get_port(sci_req); + sci_dev = scic_sds_request_get_device(ireq); + sci_port = scic_sds_request_get_port(ireq); /* * Fill in the TC with the its required data @@ -3217,12 +3201,12 @@ scic_io_request_construct_smp(struct device *dev, */ task_context->task_phase = 0; - sci_req->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | + ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC | (scic_sds_controller_get_protocol_engine_group(scic) << SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) | (scic_sds_port_get_index(sci_port) << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) | - ISCI_TAG_TCI(sci_req->io_tag)); + ISCI_TAG_TCI(ireq->io_tag)); /* * Copy the physical address for the command buffer to the SCU Task * Context command buffer should not contain command header. @@ -3234,7 +3218,7 @@ scic_io_request_construct_smp(struct device *dev, task_context->response_iu_upper = 0; task_context->response_iu_lower = 0; - sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED); + sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED); return SCI_SUCCESS; } @@ -3250,10 +3234,9 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq) { struct sas_task *task = isci_request_access_task(ireq); struct device *dev = &ireq->isci_host->pdev->dev; - struct scic_sds_request *sci_req = &ireq->sci; enum sci_status status = SCI_FAILURE; - status = scic_io_request_construct_smp(dev, sci_req, task); + status = scic_io_request_construct_smp(dev, ireq, task); if (status != SCI_SUCCESS) dev_warn(&ireq->isci_host->pdev->dev, "%s: failed with status = %d\n", @@ -3309,7 +3292,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host, } status = scic_io_request_construct(&isci_host->sci, sci_device, - &request->sci); + request); if (status != SCI_SUCCESS) { dev_warn(&isci_host->pdev->dev, @@ -3344,7 +3327,7 @@ static struct isci_request *isci_request_from_tag(struct isci_host *ihost, u16 t struct isci_request *ireq; ireq = ihost->reqs[ISCI_TAG_TCI(tag)]; - ireq->sci.io_tag = tag; + ireq->io_tag = tag; ireq->io_request_completion = NULL; ireq->flags = 0; ireq->num_sg_entries = 0; @@ -3416,14 +3399,14 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide */ status = scic_controller_start_task(&ihost->sci, &idev->sci, - &ireq->sci); + ireq); } else { status = SCI_FAILURE; } } else { /* send the request, let the core assign the IO TAG. */ status = scic_controller_start_io(&ihost->sci, &idev->sci, - &ireq->sci); + ireq); } if (status != SCI_SUCCESS && @@ -3446,8 +3429,6 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide list_add(&ireq->dev_node, &idev->reqs_in_process); if (status == SCI_SUCCESS) { - /* Save the tag for possible task mgmt later. */ - ireq->io_tag = ireq->sci.io_tag; isci_request_change_state(ireq, started); } else { /* The request did not really start in the diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h index 7fd98531d1f2..68d8a27357eb 100644 --- a/drivers/scsi/isci/request.h +++ b/drivers/scsi/isci/request.h @@ -93,7 +93,7 @@ enum sci_request_protocol { * isci_stp_request - extra request infrastructure to handle pio/atapi protocol * @pio_len - number of bytes requested at PIO setup * @status - pio setup ending status value to tell us if we need - * to wait for another fis or if the transfer is complete. Upon + * to wait for another fis or if the transfer is complete. Upon * receipt of a d2h fis this will be the status field of that fis. * @sgl - track pio transfer progress as we iterate through the sgl * @device_cdb_len - atapi device advertises it's transfer constraints at setup @@ -110,69 +110,55 @@ struct isci_stp_request { u32 device_cdb_len; }; -struct scic_sds_request { - /* - * This field contains the information for the base request state - * machine. +struct isci_request { + enum isci_request_status status; + #define IREQ_COMPLETE_IN_TARGET 0 + #define IREQ_TERMINATED 1 + #define IREQ_TMF 2 + #define IREQ_ACTIVE 3 + unsigned long flags; + /* XXX kill ttype and ttype_ptr, allocate full sas_task */ + enum task_type ttype; + union ttype_ptr_union { + struct sas_task *io_task_ptr; /* When ttype==io_task */ + struct isci_tmf *tmf_task_ptr; /* When ttype==tmf_task */ + } ttype_ptr; + struct isci_host *isci_host; + /* For use in the requests_to_{complete|abort} lists: */ + struct list_head completed_node; + /* For use in the reqs_in_process list: */ + struct list_head dev_node; + spinlock_t state_lock; + dma_addr_t request_daddr; + dma_addr_t zero_scatter_daddr; + unsigned int num_sg_entries; + /* Note: "io_request_completion" is completed in two different ways + * depending on whether this is a TMF or regular request. + * - TMF requests are completed in the thread that started them; + * - regular requests are completed in the request completion callback + * function. + * This difference in operation allows the aborter of a TMF request + * to be sure that once the TMF request completes, the I/O that the + * TMF was aborting is guaranteed to have completed. + * + * XXX kill io_request_completion */ + struct completion *io_request_completion; struct sci_base_state_machine sm; - - /* - * This field simply points to the controller to which this IO request - * is associated. - */ struct scic_sds_controller *owning_controller; - - /* - * This field simply points to the remote device to which this IO - * request is associated. - */ struct scic_sds_remote_device *target_device; - - /* - * This field indicates the IO tag for this request. The IO tag is - * comprised of the task_index and a sequence count. The sequence count - * is utilized to help identify tasks from one life to another. - */ u16 io_tag; - - /* - * This field specifies the protocol being utilized for this - * IO request. - */ enum sci_request_protocol protocol; - - /* - * This field indicates the completion status taken from the SCUs - * completion code. It indicates the completion result for the SCU - * hardware. - */ - u32 scu_status; - - /* - * This field indicates the completion status returned to the SCI user. - * It indicates the users view of the io request completion. - */ - u32 sci_status; - - /* - * This field contains the value to be utilized when posting - * (e.g. Post_TC, * Post_TC_Abort) this request to the silicon. - */ + u32 scu_status; /* hardware result */ + u32 sci_status; /* upper layer disposition */ u32 post_context; - struct scu_task_context *tc; - /* could be larger with sg chaining */ #define SCU_SGL_SIZE ((SCI_MAX_SCATTER_GATHER_ELEMENTS + 1) / 2) struct scu_sgl_element_pair sg_table[SCU_SGL_SIZE] __attribute__ ((aligned(32))); - - /* - * This field is a pointer to the stored rx frame data. It is used in + /* This field is a pointer to the stored rx frame data. It is used in * STP internal requests and SMP response frames. If this field is * non-NULL the saved frame must be released on IO request completion. - * - * @todo In the future do we want to keep a list of RX frame buffers? */ u32 saved_rx_frame_index; @@ -187,11 +173,9 @@ struct scic_sds_request { u8 rsp_buf[SSP_RESP_IU_MAX_SIZE]; }; } ssp; - struct { struct smp_resp rsp; } smp; - struct { struct isci_stp_request req; struct host_to_dev_fis cmd; @@ -200,56 +184,11 @@ struct scic_sds_request { }; }; -static inline struct scic_sds_request *to_sci_req(struct isci_stp_request *stp_req) -{ - struct scic_sds_request *sci_req; - - sci_req = container_of(stp_req, typeof(*sci_req), stp.req); - return sci_req; -} - -struct isci_request { - enum isci_request_status status; - enum task_type ttype; - unsigned short io_tag; - #define IREQ_COMPLETE_IN_TARGET 0 - #define IREQ_TERMINATED 1 - #define IREQ_TMF 2 - #define IREQ_ACTIVE 3 - unsigned long flags; - - union ttype_ptr_union { - struct sas_task *io_task_ptr; /* When ttype==io_task */ - struct isci_tmf *tmf_task_ptr; /* When ttype==tmf_task */ - } ttype_ptr; - struct isci_host *isci_host; - /* For use in the requests_to_{complete|abort} lists: */ - struct list_head completed_node; - /* For use in the reqs_in_process list: */ - struct list_head dev_node; - spinlock_t state_lock; - dma_addr_t request_daddr; - dma_addr_t zero_scatter_daddr; - - unsigned int num_sg_entries; /* returned by pci_alloc_sg */ - - /** Note: "io_request_completion" is completed in two different ways - * depending on whether this is a TMF or regular request. - * - TMF requests are completed in the thread that started them; - * - regular requests are completed in the request completion callback - * function. - * This difference in operation allows the aborter of a TMF request - * to be sure that once the TMF request completes, the I/O that the - * TMF was aborting is guaranteed to have completed. - */ - struct completion *io_request_completion; - struct scic_sds_request sci; -}; - -static inline struct isci_request *sci_req_to_ireq(struct scic_sds_request *sci_req) +static inline struct isci_request *to_ireq(struct isci_stp_request *stp_req) { - struct isci_request *ireq = container_of(sci_req, typeof(*ireq), sci); + struct isci_request *ireq; + ireq = container_of(stp_req, typeof(*ireq), stp.req); return ireq; } @@ -366,32 +305,32 @@ enum sci_base_request_states { * * This macro will return the controller for this io request object */ -#define scic_sds_request_get_controller(sci_req) \ - ((sci_req)->owning_controller) +#define scic_sds_request_get_controller(ireq) \ + ((ireq)->owning_controller) /** * scic_sds_request_get_device() - * * This macro will return the device for this io request object */ -#define scic_sds_request_get_device(sci_req) \ - ((sci_req)->target_device) +#define scic_sds_request_get_device(ireq) \ + ((ireq)->target_device) /** * scic_sds_request_get_port() - * * This macro will return the port for this io request object */ -#define scic_sds_request_get_port(sci_req) \ - scic_sds_remote_device_get_port(scic_sds_request_get_device(sci_req)) +#define scic_sds_request_get_port(ireq) \ + scic_sds_remote_device_get_port(scic_sds_request_get_device(ireq)) /** * scic_sds_request_get_post_context() - * * This macro returns the constructed post context result for the io request. */ -#define scic_sds_request_get_post_context(sci_req) \ - ((sci_req)->post_context) +#define scic_sds_request_get_post_context(ireq) \ + ((ireq)->post_context) /** * scic_sds_request_get_task_context() - @@ -413,26 +352,25 @@ enum sci_base_request_states { (request)->sci_status = (sci_status_code); \ } -enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req); -enum sci_status scic_sds_io_request_terminate(struct scic_sds_request *sci_req); +enum sci_status scic_sds_request_start(struct isci_request *ireq); +enum sci_status scic_sds_io_request_terminate(struct isci_request *ireq); enum sci_status -scic_sds_io_request_event_handler(struct scic_sds_request *sci_req, +scic_sds_io_request_event_handler(struct isci_request *ireq, u32 event_code); enum sci_status -scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, +scic_sds_io_request_frame_handler(struct isci_request *ireq, u32 frame_index); enum sci_status -scic_sds_task_request_terminate(struct scic_sds_request *sci_req); +scic_sds_task_request_terminate(struct isci_request *ireq); extern enum sci_status -scic_sds_request_complete(struct scic_sds_request *sci_req); +scic_sds_request_complete(struct isci_request *ireq); extern enum sci_status -scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req, u32 code); +scic_sds_io_request_tc_completion(struct isci_request *ireq, u32 code); /* XXX open code in caller */ static inline dma_addr_t -scic_io_request_get_dma_addr(struct scic_sds_request *sci_req, void *virt_addr) +scic_io_request_get_dma_addr(struct isci_request *ireq, void *virt_addr) { - struct isci_request *ireq = sci_req_to_ireq(sci_req); char *requested_addr = (char *)virt_addr; char *base_addr = (char *)ireq; @@ -565,14 +503,14 @@ enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, struct scic_sds_remote_device *sci_dev, u16 io_tag, - struct scic_sds_request *sci_req); + struct isci_request *ireq); enum sci_status -scic_task_request_construct_ssp(struct scic_sds_request *sci_req); +scic_task_request_construct_ssp(struct isci_request *ireq); enum sci_status -scic_task_request_construct_sata(struct scic_sds_request *sci_req); +scic_task_request_construct_sata(struct isci_request *ireq); void -scic_stp_io_request_set_ncq_tag(struct scic_sds_request *sci_req, u16 ncq_tag); -void scic_sds_smp_request_copy_response(struct scic_sds_request *sci_req); +scic_stp_io_request_set_ncq_tag(struct isci_request *ireq, u16 ncq_tag); +void scic_sds_smp_request_copy_response(struct isci_request *ireq); static inline int isci_task_is_ncq_recovery(struct sas_task *task) { diff --git a/drivers/scsi/isci/sata.c b/drivers/scsi/isci/sata.c index e7ce46924465..87d8cc1a6e39 100644 --- a/drivers/scsi/isci/sata.c +++ b/drivers/scsi/isci/sata.c @@ -70,7 +70,7 @@ struct host_to_dev_fis *isci_sata_task_to_fis_copy(struct sas_task *task) { struct isci_request *ireq = task->lldd_task; - struct host_to_dev_fis *fis = &ireq->sci.stp.cmd; + struct host_to_dev_fis *fis = &ireq->stp.cmd; memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis)); @@ -116,7 +116,7 @@ void isci_sata_set_ncq_tag( struct isci_request *request = task->lldd_task; register_fis->sector_count = qc->tag << 3; - scic_stp_io_request_set_ncq_tag(&request->sci, qc->tag); + scic_stp_io_request_set_ncq_tag(request, qc->tag); } /** @@ -154,7 +154,6 @@ void isci_request_process_stp_response(struct sas_task *task, enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq) { - struct scic_sds_request *sci_req = &ireq->sci; struct isci_tmf *isci_tmf; enum sci_status status; @@ -167,7 +166,7 @@ enum sci_status isci_sata_management_task_request_build(struct isci_request *ire case isci_tmf_sata_srst_high: case isci_tmf_sata_srst_low: { - struct host_to_dev_fis *fis = &sci_req->stp.cmd; + struct host_to_dev_fis *fis = &ireq->stp.cmd; memset(fis, 0, sizeof(*fis)); @@ -188,7 +187,7 @@ enum sci_status isci_sata_management_task_request_build(struct isci_request *ire /* core builds the protocol specific request * based on the h2d fis. */ - status = scic_task_request_construct_sata(&ireq->sci); + status = scic_task_request_construct_sata(ireq); return status; } diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index d2dba8354899..700708c82678 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -258,7 +258,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost, /* let the core do it's construct. */ status = scic_task_request_construct(&ihost->sci, &idev->sci, tag, - &ireq->sci); + ireq); if (status != SCI_SUCCESS) { dev_warn(&ihost->pdev->dev, @@ -272,7 +272,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost, /* XXX convert to get this from task->tproto like other drivers */ if (dev->dev_type == SAS_END_DEV) { isci_tmf->proto = SAS_PROTOCOL_SSP; - status = scic_task_request_construct_ssp(&ireq->sci); + status = scic_task_request_construct_ssp(ireq); if (status != SCI_SUCCESS) return NULL; } @@ -337,7 +337,7 @@ int isci_task_execute_tmf(struct isci_host *ihost, /* start the TMF io. */ status = scic_controller_start_task(&ihost->sci, sci_device, - &ireq->sci); + ireq); if (status != SCI_TASK_SUCCESS) { dev_warn(&ihost->pdev->dev, @@ -371,7 +371,7 @@ int isci_task_execute_tmf(struct isci_host *ihost, scic_controller_terminate_request(&ihost->sci, &isci_device->sci, - &ireq->sci); + ireq); spin_unlock_irqrestore(&ihost->scic_lock, flags); @@ -565,7 +565,7 @@ static void isci_terminate_request_core( status = scic_controller_terminate_request( &isci_host->sci, &isci_device->sci, - &isci_request->sci); + isci_request); } spin_unlock_irqrestore(&isci_host->scic_lock, flags); @@ -1235,7 +1235,6 @@ isci_task_request_complete(struct isci_host *ihost, { struct isci_tmf *tmf = isci_request_access_tmf(ireq); struct completion *tmf_complete; - struct scic_sds_request *sci_req = &ireq->sci; dev_dbg(&ihost->pdev->dev, "%s: request = %p, status=%d\n", @@ -1248,18 +1247,18 @@ isci_task_request_complete(struct isci_host *ihost, if (tmf->proto == SAS_PROTOCOL_SSP) { memcpy(&tmf->resp.resp_iu, - &sci_req->ssp.rsp, + &ireq->ssp.rsp, SSP_RESP_IU_MAX_SIZE); } else if (tmf->proto == SAS_PROTOCOL_SATA) { memcpy(&tmf->resp.d2h_fis, - &sci_req->stp.rsp, + &ireq->stp.rsp, sizeof(struct dev_to_host_fis)); } /* PRINT_TMF( ((struct isci_tmf *)request->task)); */ tmf_complete = tmf->complete; - scic_controller_complete_io(&ihost->sci, ireq->sci.target_device, &ireq->sci); + scic_controller_complete_io(&ihost->sci, ireq->target_device, ireq); /* set the 'terminated' flag handle to make sure it cannot be terminated * or completed again. */ |