diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/host.c | 60 | ||||
| -rw-r--r-- | drivers/scsi/isci/host.h | 27 | ||||
| -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 | 396 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_device.h | 148 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_node_context.c | 48 | ||||
| -rw-r--r-- | drivers/scsi/isci/remote_node_context.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.c | 60 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.h | 4 | ||||
| -rw-r--r-- | drivers/scsi/isci/task.c | 47 |
11 files changed, 365 insertions, 437 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 4e11f9e6d76..45d7f71c609 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -272,7 +272,7 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic { u32 index; struct isci_request *ireq; - struct scic_sds_remote_device *device; + struct isci_remote_device *idev; index = SCU_GET_COMPLETION_INDEX(completion_entry); @@ -289,9 +289,9 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic 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]; + idev = scic->device_table[index]; dev_warn(scic_to_dev(scic), "%s: %x for device %p\n", - __func__, completion_entry, device); + __func__, completion_entry, idev); /* @todo For a port RNC operation we need to fail the * device */ @@ -312,7 +312,7 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc struct isci_host *ihost = scic_to_ihost(scic); struct scu_unsolicited_frame_header *frame_header; struct isci_phy *iphy; - struct scic_sds_remote_device *device; + struct isci_remote_device *idev; enum sci_status result = SCI_FAILURE; @@ -348,12 +348,12 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc result = scic_sds_phy_frame_handler(iphy, frame_index); } else { if (index < scic->remote_node_entries) - device = scic->device_table[index]; + idev = scic->device_table[index]; else - device = NULL; + idev = NULL; - if (device != NULL) - result = scic_sds_remote_device_frame_handler(device, frame_index); + if (idev != NULL) + result = scic_sds_remote_device_frame_handler(idev, frame_index); else scic_sds_controller_release_frame(scic, frame_index); } @@ -370,7 +370,7 @@ 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_remote_device *device; + struct isci_remote_device *idev; struct isci_request *ireq; struct isci_phy *iphy; u32 index; @@ -426,9 +426,9 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci break; case SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT: - device = scic->device_table[index]; - if (device != NULL) - scic_sds_remote_device_event_handler(device, completion_entry); + idev = scic->device_table[index]; + if (idev != NULL) + scic_sds_remote_device_event_handler(idev, completion_entry); else dev_warn(scic_to_dev(scic), "%s: SCIC Controller 0x%p received " @@ -460,10 +460,10 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX: case SCU_EVENT_TYPE_RNC_OPS_MISC: if (index < scic->remote_node_entries) { - device = scic->device_table[index]; + idev = scic->device_table[index]; - if (device != NULL) - scic_sds_remote_device_event_handler(device, completion_entry); + if (idev != NULL) + scic_sds_remote_device_event_handler(idev, completion_entry); } else dev_err(scic_to_dev(scic), "%s: SCIC Controller 0x%p received event 0x%x " @@ -2549,13 +2549,13 @@ static bool scic_sds_controller_has_remote_devices_stopping( * object that the remote device has stopped. */ void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { if (scic->sm.current_state_id != SCIC_STOPPING) { dev_dbg(scic_to_dev(scic), "SCIC Controller 0x%p remote device stopped event " "from device 0x%p in unexpected state %d\n", - scic, sci_dev, + scic, idev, scic->sm.current_state_id); return; } @@ -2622,18 +2622,18 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 i */ enum sci_status scic_sds_controller_allocate_remote_node_context( struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 *node_id) { u16 node_index; - u32 remote_node_count = scic_sds_remote_device_node_count(sci_dev); + u32 remote_node_count = scic_sds_remote_device_node_count(idev); node_index = scic_sds_remote_node_table_allocate_remote_node( &scic->available_remote_nodes, remote_node_count ); if (node_index != SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) { - scic->device_table[node_index] = sci_dev; + scic->device_table[node_index] = idev; *node_id = node_index; @@ -2654,12 +2654,12 @@ enum sci_status scic_sds_controller_allocate_remote_node_context( */ void scic_sds_controller_free_remote_node_context( struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 node_id) { - u32 remote_node_count = scic_sds_remote_device_node_count(sci_dev); + u32 remote_node_count = scic_sds_remote_device_node_count(idev); - if (scic->device_table[node_id] == sci_dev) { + if (scic->device_table[node_id] == idev) { scic->device_table[node_id] = NULL; scic_sds_remote_node_table_release_remote_node_index( @@ -2798,7 +2798,7 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) * user desires to be utilized for this request. */ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic, - struct scic_sds_remote_device *rdev, + struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -2808,7 +2808,7 @@ 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, ireq); + status = scic_sds_remote_device_start_io(scic, idev, ireq); if (status != SCI_SUCCESS) return status; @@ -2835,7 +2835,7 @@ 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 isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -2873,7 +2873,7 @@ 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 isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -2884,7 +2884,7 @@ 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, ireq); + status = scic_sds_remote_device_complete_io(scic, idev, ireq); if (status != SCI_SUCCESS) return status; @@ -2923,7 +2923,7 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq) */ enum sci_task_status scic_controller_start_task( struct scic_sds_controller *scic, - struct scic_sds_remote_device *rdev, + struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -2936,7 +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, ireq); + status = scic_sds_remote_device_start_task(scic, idev, ireq); switch (status) { case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); diff --git a/drivers/scsi/isci/host.h b/drivers/scsi/isci/host.h index fb8048e5fce..ca2e3b0ee0d 100644 --- a/drivers/scsi/isci/host.h +++ b/drivers/scsi/isci/host.h @@ -163,7 +163,7 @@ struct scic_sds_controller { * objects that need to handle device completion notifications from the * hardware. The table is RNi based. */ - struct scic_sds_remote_device *device_table[SCI_MAX_REMOTE_DEVICES]; + struct isci_remote_device *device_table[SCI_MAX_REMOTE_DEVICES]; /** * This field is the free RNi data structure @@ -488,12 +488,12 @@ static inline struct isci_host *scic_to_ihost(struct scic_sds_controller *scic) #define ISCI_TAG_TCI(tag) ((tag) & (SCI_MAX_IO_REQUESTS-1)) /* expander attached sata devices require 3 rnc slots */ -static inline int scic_sds_remote_device_node_count(struct scic_sds_remote_device *sci_dev) +static inline int scic_sds_remote_device_node_count(struct isci_remote_device *idev) { - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; if ((dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) && - !sci_dev->is_direct_attached) + !idev->is_direct_attached) return SCU_STP_REMOTE_NODE_COUNT; return SCU_SSP_REMOTE_NODE_COUNT; } @@ -541,11 +541,8 @@ static inline struct device *sciport_to_dev(struct isci_port *iport) return &iport->isci_host->pdev->dev; } -static inline struct device *scirdev_to_dev(struct scic_sds_remote_device *sci_dev) +static inline struct device *scirdev_to_dev(struct isci_remote_device *idev) { - struct isci_remote_device *idev = - container_of(sci_dev, typeof(*idev), sci); - if (!idev || !idev->isci_port || !idev->isci_port->isci_host) return NULL; @@ -589,11 +586,11 @@ void scic_sds_controller_copy_sata_response(void *response_buffer, void *frame_header, void *frame_buffer); enum sci_status scic_sds_controller_allocate_remote_node_context(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 *node_id); void scic_sds_controller_free_remote_node_context( struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 node_id); union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer( struct scic_sds_controller *scic, @@ -622,7 +619,7 @@ void scic_sds_controller_link_down( void scic_sds_controller_remote_device_stopped( struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev); + struct isci_remote_device *idev); void scic_sds_controller_copy_task_context( struct scic_sds_controller *scic, @@ -662,22 +659,22 @@ 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 isci_remote_device *idev, 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 isci_remote_device *idev, struct isci_request *ireq); enum sci_status scic_controller_terminate_request( struct scic_sds_controller *scic, - struct scic_sds_remote_device *remote_device, + struct isci_remote_device *idev, struct isci_request *ireq); enum sci_status scic_controller_complete_io( struct scic_sds_controller *scic, - struct scic_sds_remote_device *remote_device, + struct isci_remote_device *idev, struct isci_request *ireq); void scic_sds_port_configuration_agent_construct( diff --git a/drivers/scsi/isci/port.c b/drivers/scsi/isci/port.c index 04591882ee7..df37b1bf7d1 100644 --- a/drivers/scsi/isci/port.c +++ b/drivers/scsi/isci/port.c @@ -1541,7 +1541,7 @@ enum sci_status scic_sds_port_link_down(struct isci_port *iport, } enum sci_status scic_sds_port_start_io(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { enum scic_sds_port_states state; @@ -1561,7 +1561,7 @@ enum sci_status scic_sds_port_start_io(struct isci_port *iport, } enum sci_status scic_sds_port_complete_io(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, 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 cdea48ece00..b9bc89bf651 100644 --- a/drivers/scsi/isci/port.h +++ b/drivers/scsi/isci/port.h @@ -283,15 +283,15 @@ enum sci_status scic_sds_port_link_down(struct isci_port *iport, struct isci_phy *iphy); struct isci_request; -struct scic_sds_remote_device; +struct isci_remote_device; enum sci_status scic_sds_port_start_io( struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq); enum sci_status scic_sds_port_complete_io( struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq); enum sas_linkrate scic_sds_port_get_max_allowed_speed( diff --git a/drivers/scsi/isci/remote_device.c b/drivers/scsi/isci/remote_device.c index 627cf731bad..3b0234049a3 100644 --- a/drivers/scsi/isci/remote_device.c +++ b/drivers/scsi/isci/remote_device.c @@ -93,7 +93,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost, __func__, idev, ireq); scic_controller_terminate_request(&ihost->sci, - &idev->sci, + idev, ireq); } /* Fall through into the default case... */ @@ -127,15 +127,15 @@ static void isci_remote_device_ready(struct isci_host *ihost, struct isci_remote */ static void rnc_destruct_done(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; + struct isci_remote_device *idev = _dev; - BUG_ON(sci_dev->started_request_count != 0); - sci_change_state(&sci_dev->sm, SCI_DEV_STOPPED); + BUG_ON(idev->started_request_count != 0); + sci_change_state(&idev->sm, SCI_DEV_STOPPED); } -static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds_remote_device *sci_dev) +static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_remote_device *idev) { - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; struct isci_host *ihost = scic_to_ihost(scic); enum sci_status status = SCI_SUCCESS; u32 i; @@ -145,10 +145,10 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds enum sci_status s; if (!test_bit(IREQ_ACTIVE, &ireq->flags) || - ireq->target_device != sci_dev) + ireq->target_device != idev) continue; - s = scic_controller_terminate_request(scic, sci_dev, ireq); + s = scic_controller_terminate_request(scic, idev, ireq); if (s != SCI_SUCCESS) status = s; } @@ -156,10 +156,10 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds return status; } -enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_remote_device_stop(struct isci_remote_device *idev, u32 timeout) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -167,16 +167,16 @@ enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_STOPPED: return SCI_SUCCESS; case SCI_DEV_STARTING: /* device not started so there had better be no requests */ - BUG_ON(sci_dev->started_request_count != 0); - scic_sds_remote_node_context_destruct(&sci_dev->rnc, - rnc_destruct_done, sci_dev); + BUG_ON(idev->started_request_count != 0); + scic_sds_remote_node_context_destruct(&idev->rnc, + rnc_destruct_done, idev); /* Transition to the stopping state and wait for the * remote node to complete being posted and invalidated. */ @@ -191,28 +191,28 @@ enum sci_status scic_remote_device_stop(struct scic_sds_remote_device *sci_dev, case SCI_SMP_DEV_IDLE: case SCI_SMP_DEV_CMD: sci_change_state(sm, SCI_DEV_STOPPING); - if (sci_dev->started_request_count == 0) { - scic_sds_remote_node_context_destruct(&sci_dev->rnc, - rnc_destruct_done, sci_dev); + if (idev->started_request_count == 0) { + scic_sds_remote_node_context_destruct(&idev->rnc, + rnc_destruct_done, idev); return SCI_SUCCESS; } else - return scic_sds_remote_device_terminate_requests(sci_dev); + return scic_sds_remote_device_terminate_requests(idev); break; case SCI_DEV_STOPPING: /* All requests should have been terminated, but if there is an * attempt to stop a device already in the stopping state, then * try again to terminate. */ - return scic_sds_remote_device_terminate_requests(sci_dev); + return scic_sds_remote_device_terminate_requests(idev); case SCI_DEV_RESETTING: sci_change_state(sm, SCI_DEV_STOPPING); return SCI_SUCCESS; } } -enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) +enum sci_status scic_remote_device_reset(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -226,7 +226,7 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: @@ -240,13 +240,13 @@ enum sci_status scic_remote_device_reset(struct scic_sds_remote_device *sci_dev) } } -enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device *sci_dev) +enum sci_status scic_remote_device_reset_complete(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; if (state != SCI_DEV_RESETTING) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } @@ -255,28 +255,28 @@ enum sci_status scic_remote_device_reset_complete(struct scic_sds_remote_device return SCI_SUCCESS; } -enum sci_status scic_sds_remote_device_suspend(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_suspend(struct isci_remote_device *idev, u32 suspend_type) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; if (state != SCI_STP_DEV_CMD) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - return scic_sds_remote_node_context_suspend(&sci_dev->rnc, + return scic_sds_remote_node_context_suspend(&idev->rnc, suspend_type, NULL, NULL); } -enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *idev, u32 frame_index) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; enum sci_status status; switch (state) { @@ -287,7 +287,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi case SCI_SMP_DEV_IDLE: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); /* Return the frame back to the controller */ scic_sds_controller_release_frame(scic, frame_index); @@ -313,7 +313,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi sci_swab32_cpy(&hdr, frame_header, word_cnt); ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag)); - if (ireq && ireq->target_device == sci_dev) { + if (ireq && ireq->target_device == idev) { /* The IO request is now in charge of releasing the frame */ status = scic_sds_io_request_frame_handler(ireq, frame_index); } else { @@ -335,7 +335,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi if (hdr->fis_type == FIS_SETDEVBITS && (hdr->status & ATA_ERR)) { - sci_dev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; + idev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; /* TODO Check sactive and complete associated IO if any. */ sci_change_state(sm, SCI_STP_DEV_NCQ_ERROR); @@ -345,8 +345,8 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi * Some devices return D2H FIS when an NCQ error is detected. * Treat this like an SDB error FIS ready reason. */ - sci_dev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; - sci_change_state(&sci_dev->sm, SCI_STP_DEV_NCQ_ERROR); + idev->not_ready_reason = SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED; + sci_change_state(&idev->sm, SCI_STP_DEV_NCQ_ERROR); } else status = SCI_FAILURE; @@ -359,17 +359,17 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi * in this state. All unsolicited frames are forwarded to the io request * object. */ - status = scic_sds_io_request_frame_handler(sci_dev->working_request, frame_index); + status = scic_sds_io_request_frame_handler(idev->working_request, frame_index); break; } return status; } -static bool is_remote_device_ready(struct scic_sds_remote_device *sci_dev) +static bool is_remote_device_ready(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; switch (state) { @@ -387,10 +387,10 @@ static bool is_remote_device_ready(struct scic_sds_remote_device *sci_dev) } } -enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_device *sci_dev, +enum sci_status scic_sds_remote_device_event_handler(struct isci_remote_device *idev, u32 event_code) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; enum sci_status status; @@ -398,21 +398,21 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi case SCU_EVENT_TYPE_RNC_OPS_MISC: case SCU_EVENT_TYPE_RNC_SUSPEND_TX: case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX: - status = scic_sds_remote_node_context_event_handler(&sci_dev->rnc, event_code); + status = scic_sds_remote_node_context_event_handler(&idev->rnc, event_code); break; case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT: if (scu_get_event_code(event_code) == SCU_EVENT_IT_NEXUS_TIMEOUT) { status = SCI_SUCCESS; /* Suspend the associated RNC */ - scic_sds_remote_node_context_suspend(&sci_dev->rnc, + scic_sds_remote_node_context_suspend(&idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); - dev_dbg(scirdev_to_dev(sci_dev), + dev_dbg(scirdev_to_dev(idev), "%s: device: %p event code: %x: %s\n", - __func__, sci_dev, event_code, - is_remote_device_ready(sci_dev) + __func__, idev, event_code, + is_remote_device_ready(idev) ? "I_T_Nexus_Timeout event" : "I_T_Nexus_Timeout event in wrong state"); @@ -420,10 +420,10 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi } /* Else, fall through and treat as unhandled... */ default: - dev_dbg(scirdev_to_dev(sci_dev), + dev_dbg(scirdev_to_dev(idev), "%s: device: %p event code: %x: %s\n", - __func__, sci_dev, event_code, - is_remote_device_ready(sci_dev) + __func__, idev, event_code, + is_remote_device_ready(idev) ? "unexpected event" : "unexpected event in wrong state"); status = SCI_FAILURE_INVALID_STATE; @@ -440,34 +440,34 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi */ if (scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX || scu_get_event_type(event_code) == SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX) - status = scic_sds_remote_node_context_resume(&sci_dev->rnc, NULL, NULL); + status = scic_sds_remote_node_context_resume(&idev->rnc, NULL, NULL); } return status; } -static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *sci_dev, +static void scic_sds_remote_device_start_request(struct isci_remote_device *idev, struct isci_request *ireq, enum sci_status status) { - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; /* cleanup requests that failed after starting on the port */ if (status != SCI_SUCCESS) - scic_sds_port_complete_io(iport, sci_dev, ireq); + scic_sds_port_complete_io(iport, idev, ireq); else { - kref_get(&sci_dev_to_idev(sci_dev)->kref); - scic_sds_remote_device_increment_request_count(sci_dev); + kref_get(&idev->kref); + scic_sds_remote_device_increment_request_count(idev); } } enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -480,7 +480,7 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: @@ -489,11 +489,11 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic * successful it will start the request for the port object then * increment its own request count. */ - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -511,11 +511,11 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic enum scic_sds_remote_device_states new_state; struct sas_task *task = isci_request_access_task(ireq); - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -526,7 +526,7 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic if (task->ata_task.use_ncq) new_state = SCI_STP_DEV_NCQ; else { - sci_dev->working_request = ireq; + idev->working_request = ireq; new_state = SCI_STP_DEV_CMD; } sci_change_state(sm, new_state); @@ -536,11 +536,11 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic struct sas_task *task = isci_request_access_task(ireq); if (task->ata_task.use_ncq) { - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -552,11 +552,11 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic case SCI_STP_DEV_AWAIT_RESET: return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED; case SCI_SMP_DEV_IDLE: - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_io(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; @@ -564,8 +564,8 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic if (status != SCI_SUCCESS) break; - sci_dev->working_request = ireq; - sci_change_state(&sci_dev->sm, SCI_SMP_DEV_CMD); + idev->working_request = ireq; + sci_change_state(&idev->sm, SCI_SMP_DEV_CMD); break; case SCI_STP_DEV_CMD: case SCI_SMP_DEV_CMD: @@ -575,12 +575,12 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic return SCI_FAILURE_INVALID_STATE; } - scic_sds_remote_device_start_request(sci_dev, ireq, status); + scic_sds_remote_device_start_request(idev, ireq, status); return status; } static enum sci_status common_complete_io(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; @@ -589,21 +589,21 @@ static enum sci_status common_complete_io(struct isci_port *iport, if (status != SCI_SUCCESS) return status; - status = scic_sds_port_complete_io(iport, sci_dev, ireq); + status = scic_sds_port_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - scic_sds_remote_device_decrement_request_count(sci_dev); + scic_sds_remote_device_decrement_request_count(idev); return status; } enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -615,18 +615,18 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s case SCI_DEV_FAILED: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_DEV_READY: case SCI_STP_DEV_AWAIT_RESET: case SCI_DEV_RESETTING: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); break; case SCI_STP_DEV_CMD: case SCI_STP_DEV_NCQ: case SCI_STP_DEV_NCQ_ERROR: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; @@ -637,54 +637,54 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s * status of "DEVICE_RESET_REQUIRED", instead of "INVALID STATE". */ sci_change_state(sm, SCI_STP_DEV_AWAIT_RESET); - } else if (scic_sds_remote_device_get_request_count(sci_dev) == 0) + } else if (scic_sds_remote_device_get_request_count(idev) == 0) sci_change_state(sm, SCI_STP_DEV_IDLE); break; case SCI_SMP_DEV_CMD: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; sci_change_state(sm, SCI_SMP_DEV_IDLE); break; case SCI_DEV_STOPPING: - status = common_complete_io(iport, sci_dev, ireq); + status = common_complete_io(iport, idev, ireq); if (status != SCI_SUCCESS) break; - if (scic_sds_remote_device_get_request_count(sci_dev) == 0) - scic_sds_remote_node_context_destruct(&sci_dev->rnc, + if (scic_sds_remote_device_get_request_count(idev) == 0) + scic_sds_remote_node_context_destruct(&idev->rnc, rnc_destruct_done, - sci_dev); + idev); break; } if (status != SCI_SUCCESS) - dev_err(scirdev_to_dev(sci_dev), + dev_err(scirdev_to_dev(idev), "%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x " "could not complete\n", __func__, iport, - sci_dev, ireq, status); + idev, ireq, status); else - isci_put_device(sci_dev_to_idev(sci_dev)); + isci_put_device(idev); return status; } static void scic_sds_remote_device_continue_request(void *dev) { - struct scic_sds_remote_device *sci_dev = dev; + struct isci_remote_device *idev = dev; /* we need to check if this request is still valid to continue. */ - if (sci_dev->working_request) - scic_controller_continue_io(sci_dev->working_request); + if (idev->working_request) + scic_controller_continue_io(idev->working_request); } enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; - struct isci_port *iport = sci_dev->owning_port; + struct isci_port *iport = idev->owning_port; enum sci_status status; switch (state) { @@ -698,7 +698,7 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc case SCI_DEV_RESETTING: case SCI_DEV_FINAL: default: - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; case SCI_STP_DEV_IDLE: @@ -706,11 +706,11 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc case SCI_STP_DEV_NCQ: case SCI_STP_DEV_NCQ_ERROR: case SCI_STP_DEV_AWAIT_RESET: - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_task(&idev->rnc, ireq); if (status != SCI_SUCCESS) goto out; @@ -722,7 +722,7 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * replace the request that probably resulted in the task * management request. */ - sci_dev->working_request = ireq; + idev->working_request = ireq; sci_change_state(sm, SCI_STP_DEV_CMD); /* The remote node context must cleanup the TCi to NCQ mapping @@ -732,32 +732,32 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * the correct action when the remote node context is suspended * and later resumed. */ - scic_sds_remote_node_context_suspend(&sci_dev->rnc, + scic_sds_remote_node_context_suspend(&idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); - scic_sds_remote_node_context_resume(&sci_dev->rnc, + scic_sds_remote_node_context_resume(&idev->rnc, scic_sds_remote_device_continue_request, - sci_dev); + idev); out: - scic_sds_remote_device_start_request(sci_dev, ireq, status); + scic_sds_remote_device_start_request(idev, ireq, status); /* We need to let the controller start request handler know that * it can't post TC yet. We will provide a callback function to * post TC when RNC gets resumed. */ return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS; case SCI_DEV_READY: - status = scic_sds_port_start_io(iport, sci_dev, ireq); + status = scic_sds_port_start_io(iport, idev, ireq); if (status != SCI_SUCCESS) return status; - status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq); + status = scic_sds_remote_node_context_start_task(&idev->rnc, ireq); if (status != SCI_SUCCESS) break; status = scic_sds_request_start(ireq); break; } - scic_sds_remote_device_start_request(sci_dev, ireq, status); + scic_sds_remote_device_start_request(idev, ireq, status); return status; } @@ -771,15 +771,15 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc * request and then requests the controller to post the request. none */ void scic_sds_remote_device_post_request( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 request) { u32 context; - context = scic_sds_remote_device_build_command_context(sci_dev, request); + context = scic_sds_remote_device_build_command_context(idev, request); scic_sds_controller_post_request( - scic_sds_remote_device_get_controller(sci_dev), + scic_sds_remote_device_get_controller(idev), context ); } @@ -790,34 +790,33 @@ void scic_sds_remote_device_post_request( */ static void remote_device_resume_done(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; + struct isci_remote_device *idev = _dev; - if (is_remote_device_ready(sci_dev)) + if (is_remote_device_ready(idev)) return; /* go 'ready' if we are not already in a ready state */ - sci_change_state(&sci_dev->sm, SCI_DEV_READY); + sci_change_state(&idev->sm, SCI_DEV_READY); } static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *_dev) { - struct scic_sds_remote_device *sci_dev = _dev; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; + struct isci_remote_device *idev = _dev; + struct scic_sds_controller *scic = idev->owning_port->owning_controller; /* For NCQ operation we do not issue a isci_remote_device_not_ready(). * As a result, avoid sending the ready notification. */ - if (sci_dev->sm.previous_state_id != SCI_STP_DEV_NCQ) + if (idev->sm.previous_state_id != SCI_STP_DEV_NCQ) isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); /* Initial state is a transitional state to the stopped state */ - sci_change_state(&sci_dev->sm, SCI_DEV_STOPPED); + sci_change_state(&idev->sm, SCI_DEV_STOPPED); } /** @@ -833,22 +832,22 @@ static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_mac * device isn't valid (e.g. it's already been destoryed, the handle isn't * valid, etc.). */ -static enum sci_status scic_remote_device_destruct(struct scic_sds_remote_device *sci_dev) +static enum sci_status scic_remote_device_destruct(struct isci_remote_device *idev) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; struct scic_sds_controller *scic; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - scic = sci_dev->owning_port->owning_controller; - scic_sds_controller_free_remote_node_context(scic, sci_dev, - sci_dev->rnc.remote_node_index); - sci_dev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; + scic = idev->owning_port->owning_controller; + scic_sds_controller_free_remote_node_context(scic, idev, + idev->rnc.remote_node_index); + idev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX; sci_change_state(sm, SCI_DEV_FINAL); return SCI_SUCCESS; @@ -871,34 +870,32 @@ static void isci_remote_device_deconstruct(struct isci_host *ihost, struct isci_ * io requests in process */ BUG_ON(!list_empty(&idev->reqs_in_process)); - scic_remote_device_destruct(&idev->sci); + scic_remote_device_destruct(idev); list_del_init(&idev->node); isci_put_device(idev); } static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; u32 prev_state; /* If we are entering from the stopping state let the SCI User know that * the stop operation has completed. */ - prev_state = sci_dev->sm.previous_state_id; + prev_state = idev->sm.previous_state_id; if (prev_state == SCI_DEV_STOPPING) isci_remote_device_deconstruct(scic_to_ihost(scic), idev); - scic_sds_controller_remote_device_stopped(scic, sci_dev); + scic_sds_controller_remote_device_stopped(scic, idev); } static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); struct isci_host *ihost = scic_to_ihost(scic); - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); isci_remote_device_not_ready(ihost, idev, SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED); @@ -906,27 +903,25 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_ma static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; struct domain_device *dev = idev->domain_dev; if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_SATA)) { - sci_change_state(&sci_dev->sm, SCI_STP_DEV_IDLE); + sci_change_state(&idev->sm, SCI_STP_DEV_IDLE); } else if (dev_is_expander(dev)) { - sci_change_state(&sci_dev->sm, SCI_SMP_DEV_IDLE); + sci_change_state(&idev->sm, SCI_SMP_DEV_IDLE); } else isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct domain_device *dev = idev->domain_dev; if (dev->dev_type == SAS_END_DEV) { - struct scic_sds_controller *scic = sci_dev->owning_port->owning_controller; - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct scic_sds_controller *scic = idev->owning_port->owning_controller; isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED); @@ -935,82 +930,81 @@ static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machin static void scic_sds_remote_device_resetting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); scic_sds_remote_node_context_suspend( - &sci_dev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); + &idev->rnc, SCI_SOFTWARE_SUSPENSION, NULL, NULL); } static void scic_sds_remote_device_resetting_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - scic_sds_remote_node_context_resume(&sci_dev->rnc, NULL, NULL); + scic_sds_remote_node_context_resume(&idev->rnc, NULL, NULL); } static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - sci_dev->working_request = NULL; - if (scic_sds_remote_node_context_is_ready(&sci_dev->rnc)) { + idev->working_request = NULL; + if (scic_sds_remote_node_context_is_ready(&idev->rnc)) { /* * Since the RNC is ready, it's alright to finish completion * processing (e.g. signal the remote device is ready). */ - scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(sci_dev); + scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(idev); } else { - scic_sds_remote_node_context_resume(&sci_dev->rnc, + scic_sds_remote_node_context_resume(&idev->rnc, scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler, - sci_dev); + idev); } } static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - BUG_ON(sci_dev->working_request == NULL); + BUG_ON(idev->working_request == NULL); - isci_remote_device_not_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev), + isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED); } static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); - struct isci_remote_device *idev = sci_dev_to_idev(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - if (sci_dev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED) + if (idev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED) isci_remote_device_not_ready(scic_to_ihost(scic), idev, - sci_dev->not_ready_reason); + idev->not_ready_reason); } static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - isci_remote_device_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev)); + isci_remote_device_ready(scic_to_ihost(scic), idev); } static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); - struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(sci_dev); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); + struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev); - BUG_ON(sci_dev->working_request == NULL); + BUG_ON(idev->working_request == NULL); - isci_remote_device_not_ready(scic_to_ihost(scic), sci_dev_to_idev(sci_dev), + isci_remote_device_not_ready(scic_to_ihost(scic), idev, SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED); } static void scic_sds_smp_remote_device_ready_cmd_substate_exit(struct sci_base_state_machine *sm) { - struct scic_sds_remote_device *sci_dev = container_of(sm, typeof(*sci_dev), sm); + struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm); - sci_dev->working_request = NULL; + idev->working_request = NULL; } static const struct sci_base_state scic_sds_remote_device_state_table[] = { @@ -1065,14 +1059,14 @@ static const struct sci_base_state scic_sds_remote_device_state_table[] = { * frees the remote_node_context(s) for the device. */ static void scic_remote_device_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { - sci_dev->owning_port = iport; - sci_dev->started_request_count = 0; + idev->owning_port = iport; + idev->started_request_count = 0; - sci_init_sm(&sci_dev->sm, scic_sds_remote_device_state_table, SCI_DEV_INITIAL); + sci_init_sm(&idev->sm, scic_sds_remote_device_state_table, SCI_DEV_INITIAL); - scic_sds_remote_node_context_construct(&sci_dev->rnc, + scic_sds_remote_node_context_construct(&idev->rnc, SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX); } @@ -1091,21 +1085,21 @@ static void scic_remote_device_construct(struct isci_port *iport, * SCI_FAILURE_INSUFFICIENT_RESOURCES - remote node contexts exhausted. */ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { enum sci_status status; - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; - scic_remote_device_construct(iport, sci_dev); + scic_remote_device_construct(iport, idev); /* * This information is request to determine how many remote node context * entries will be needed to store the remote node. */ - sci_dev->is_direct_attached = true; + idev->is_direct_attached = true; status = scic_sds_controller_allocate_remote_node_context(iport->owning_controller, - sci_dev, - &sci_dev->rnc.remote_node_index); + idev, + &idev->rnc.remote_node_index); if (status != SCI_SUCCESS) return status; @@ -1116,10 +1110,10 @@ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, else return SCI_FAILURE_UNSUPPORTED_PROTOCOL; - sci_dev->connection_rate = scic_sds_port_get_max_allowed_speed(iport); + idev->connection_rate = scic_sds_port_get_max_allowed_speed(iport); /* / @todo Should I assign the port width by reading all of the phys on the port? */ - sci_dev->device_port_width = 1; + idev->device_port_width = 1; return SCI_SUCCESS; } @@ -1137,16 +1131,16 @@ static enum sci_status scic_remote_device_da_construct(struct isci_port *iport, * SCI_FAILURE_INSUFFICIENT_RESOURCES - remote node contexts exhausted. */ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, - struct scic_sds_remote_device *sci_dev) + struct isci_remote_device *idev) { - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; enum sci_status status; - scic_remote_device_construct(iport, sci_dev); + scic_remote_device_construct(iport, idev); status = scic_sds_controller_allocate_remote_node_context(iport->owning_controller, - sci_dev, - &sci_dev->rnc.remote_node_index); + idev, + &idev->rnc.remote_node_index); if (status != SCI_SUCCESS) return status; @@ -1163,11 +1157,11 @@ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, * connection the logical link rate is that same as the * physical. Furthermore, the SAS-2 and SAS-1.1 fields overlay * one another, so this code works for both situations. */ - sci_dev->connection_rate = min_t(u16, scic_sds_port_get_max_allowed_speed(iport), + idev->connection_rate = min_t(u16, scic_sds_port_get_max_allowed_speed(iport), dev->linkrate); /* / @todo Should I assign the port width by reading all of the phys on the port? */ - sci_dev->device_port_width = 1; + idev->device_port_width = 1; return SCI_SUCCESS; } @@ -1185,22 +1179,22 @@ static enum sci_status scic_remote_device_ea_construct(struct isci_port *iport, * SCI_FAILURE_INVALID_PHY This value is returned if the user attempts to start * the device when there have been no phys added to it. */ -static enum sci_status scic_remote_device_start(struct scic_sds_remote_device *sci_dev, +static enum sci_status scic_remote_device_start(struct isci_remote_device *idev, u32 timeout) { - struct sci_base_state_machine *sm = &sci_dev->sm; + struct sci_base_state_machine *sm = &idev->sm; enum scic_sds_remote_device_states state = sm->current_state_id; enum sci_status status; if (state != SCI_DEV_STOPPED) { - dev_warn(scirdev_to_dev(sci_dev), "%s: in wrong state: %d\n", + dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n", __func__, state); return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_remote_node_context_resume(&sci_dev->rnc, + status = scic_sds_remote_node_context_resume(&idev->rnc, remote_device_resume_done, - sci_dev); + idev); if (status != SCI_SUCCESS) return status; @@ -1217,9 +1211,9 @@ static enum sci_status isci_remote_device_construct(struct isci_port *iport, enum sci_status status; if (dev->parent && dev_is_expander(dev->parent)) - status = scic_remote_device_ea_construct(iport, &idev->sci); + status = scic_remote_device_ea_construct(iport, idev); else - status = scic_remote_device_da_construct(iport, &idev->sci); + status = scic_remote_device_da_construct(iport, idev); if (status != SCI_SUCCESS) { dev_dbg(&ihost->pdev->dev, "%s: construct failed: %d\n", @@ -1229,7 +1223,7 @@ static enum sci_status isci_remote_device_construct(struct isci_port *iport, } /* start the device. */ - status = scic_remote_device_start(&idev->sci, ISCI_REMOTE_DEVICE_START_TIMEOUT); + status = scic_remote_device_start(idev, ISCI_REMOTE_DEVICE_START_TIMEOUT); if (status != SCI_SUCCESS) dev_warn(&ihost->pdev->dev, "remote device start failed: %d\n", @@ -1330,7 +1324,7 @@ enum sci_status isci_remote_device_stop(struct isci_host *ihost, struct isci_rem set_bit(IDEV_STOP_PENDING, &idev->flags); spin_lock_irqsave(&ihost->scic_lock, flags); - status = scic_remote_device_stop(&idev->sci, 50); + status = scic_remote_device_stop(idev, 50); spin_unlock_irqrestore(&ihost->scic_lock, flags); /* Wait for the stop complete callback. */ diff --git a/drivers/scsi/isci/remote_device.h b/drivers/scsi/isci/remote_device.h index 578d75b8cd1..45798582fc1 100644 --- a/drivers/scsi/isci/remote_device.h +++ b/drivers/scsi/isci/remote_device.h @@ -70,65 +70,14 @@ enum scic_remote_device_not_ready_reason_code { SCIC_REMOTE_DEVICE_NOT_READY_REASON_CODE_MAX }; -struct scic_sds_remote_device { - /** - * This field contains the information for the base remote device state - * machine. - */ - struct sci_base_state_machine sm; - - /** - * This field is the programmed device port width. This value is - * written to the RCN data structure to tell the SCU how many open - * connections this device can have. - */ - u32 device_port_width; - - /** - * This field is the programmed connection rate for this remote device. It is - * used to program the TC with the maximum allowed connection rate. - */ - enum sas_linkrate connection_rate; - - /** - * This filed is assinged the value of true if the device is directly - * attached to the port. - */ - bool is_direct_attached; - - /** - * This filed contains a pointer back to the port to which this device - * is assigned. - */ - struct isci_port *owning_port; - - /** - * This field contains the SCU silicon remote node context specific - * information. - */ - struct scic_sds_remote_node_context rnc; - - /** - * This field contains the stated request count for the remote device. The - * device can not reach the SCI_DEV_STOPPED until all - * requests are complete and the rnc_posted value is false. - */ - u32 started_request_count; - - /** - * This field contains a pointer to the working request object. It is only - * 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 isci_request *working_request; - - /** - * This field contains the reason for the remote device going not_ready. It is - * assigned in the state handlers and used in the state transition. - */ - u32 not_ready_reason; -}; - +/** + * isci_remote_device - isci representation of a sas expander / end point + * @device_port_width: hw setting for number of simultaneous connections + * @connection_rate: per-taskcontext connection rate for this device + * @working_request: SATA requests have no tag we for unaccelerated + * protocols we need a method to associate unsolicited + * frames with a pending request + */ struct isci_remote_device { #define IDEV_START_PENDING 0 #define IDEV_STOP_PENDING 1 @@ -143,7 +92,16 @@ struct isci_remote_device { struct domain_device *domain_dev; struct list_head node; struct list_head reqs_in_process; - struct scic_sds_remote_device sci; + struct sci_base_state_machine sm; + u32 device_port_width; + enum sas_linkrate connection_rate; + bool is_direct_attached; + struct isci_port *owning_port; + struct scic_sds_remote_node_context rnc; + /* XXX unify with device reference counting and delete */ + u32 started_request_count; + struct isci_request *working_request; + u32 not_ready_reason; }; #define ISCI_REMOTE_DEVICE_START_TIMEOUT 5000 @@ -191,7 +149,7 @@ void isci_device_clear_reset_pending(struct isci_host *ihost, * successfully stopped. */ enum sci_status scic_remote_device_stop( - struct scic_sds_remote_device *remote_device, + struct isci_remote_device *idev, u32 timeout); /** @@ -207,7 +165,7 @@ enum sci_status scic_remote_device_stop( * started. */ enum sci_status scic_remote_device_reset( - struct scic_sds_remote_device *remote_device); + struct isci_remote_device *idev); /** * scic_remote_device_reset_complete() - This method informs the device object @@ -220,7 +178,7 @@ enum sci_status scic_remote_device_reset( * is resuming operation. */ enum sci_status scic_remote_device_reset_complete( - struct scic_sds_remote_device *remote_device); + struct isci_remote_device *idev); #define scic_remote_device_is_atapi(device_handle) false @@ -335,27 +293,15 @@ enum scic_sds_remote_device_states { SCI_DEV_FINAL, }; -static inline struct scic_sds_remote_device *rnc_to_dev(struct scic_sds_remote_node_context *rnc) +static inline struct isci_remote_device *rnc_to_dev(struct scic_sds_remote_node_context *rnc) { - struct scic_sds_remote_device *sci_dev; + struct isci_remote_device *idev; - sci_dev = container_of(rnc, typeof(*sci_dev), rnc); - - return sci_dev; -} - -static inline struct isci_remote_device *sci_dev_to_idev(struct scic_sds_remote_device *sci_dev) -{ - struct isci_remote_device *idev = container_of(sci_dev, typeof(*idev), sci); + idev = container_of(rnc, typeof(*idev), rnc); return idev; } -static inline struct domain_device *sci_dev_to_domain(struct scic_sds_remote_device *sci_dev) -{ - return sci_dev_to_idev(sci_dev)->domain_dev; -} - static inline bool dev_is_expander(struct domain_device *dev) { return dev->dev_type == EDGE_DEV || dev->dev_type == FANOUT_DEV; @@ -366,8 +312,8 @@ static inline bool dev_is_expander(struct domain_device *dev) * * This macro incrments the request count for this device */ -#define scic_sds_remote_device_increment_request_count(sci_dev) \ - ((sci_dev)->started_request_count++) +#define scic_sds_remote_device_increment_request_count(idev) \ + ((idev)->started_request_count++) /** * scic_sds_remote_device_decrement_request_count() - @@ -375,44 +321,44 @@ static inline bool dev_is_expander(struct domain_device *dev) * This macro decrements the request count for this device. This count will * never decrment past 0. */ -#define scic_sds_remote_device_decrement_request_count(sci_dev) \ - ((sci_dev)->started_request_count > 0 ? \ - (sci_dev)->started_request_count-- : 0) +#define scic_sds_remote_device_decrement_request_count(idev) \ + ((idev)->started_request_count > 0 ? \ + (idev)->started_request_count-- : 0) /** * scic_sds_remote_device_get_request_count() - * * This is a helper macro to return the current device request count. */ -#define scic_sds_remote_device_get_request_count(sci_dev) \ - ((sci_dev)->started_request_count) +#define scic_sds_remote_device_get_request_count(idev) \ + ((idev)->started_request_count) /** * scic_sds_remote_device_get_controller() - * * This macro returns the controller object that contains this device object */ -#define scic_sds_remote_device_get_controller(sci_dev) \ - scic_sds_port_get_controller(scic_sds_remote_device_get_port(sci_dev)) +#define scic_sds_remote_device_get_controller(idev) \ + scic_sds_port_get_controller(scic_sds_remote_device_get_port(idev)) /** * scic_sds_remote_device_get_port() - * * This macro returns the owning port of this device */ -#define scic_sds_remote_device_get_port(sci_dev) \ - ((sci_dev)->owning_port) +#define scic_sds_remote_device_get_port(idev) \ + ((idev)->owning_port) /** * scic_sds_remote_device_get_controller_peg() - * * This macro returns the controllers protocol engine group */ -#define scic_sds_remote_device_get_controller_peg(sci_dev) \ +#define scic_sds_remote_device_get_controller_peg(idev) \ (\ scic_sds_controller_get_protocol_engine_group(\ scic_sds_port_get_controller(\ - scic_sds_remote_device_get_port(sci_dev) \ + scic_sds_remote_device_get_port(idev) \ ) \ ) \ ) @@ -422,8 +368,8 @@ static inline bool dev_is_expander(struct domain_device *dev) * * This macro returns the remote node index for this device object */ -#define scic_sds_remote_device_get_index(sci_dev) \ - ((sci_dev)->rnc.remote_node_index) +#define scic_sds_remote_device_get_index(idev) \ + ((idev)->rnc.remote_node_index) /** * scic_sds_remote_device_build_command_context() - @@ -448,36 +394,36 @@ static inline bool dev_is_expander(struct domain_device *dev) ((device)->working_request = (request)) enum sci_status scic_sds_remote_device_frame_handler( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 frame_index); enum sci_status scic_sds_remote_device_event_handler( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 event_code); enum sci_status scic_sds_remote_device_start_io( struct scic_sds_controller *controller, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, 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 isci_remote_device *idev, 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 isci_remote_device *idev, struct isci_request *ireq); enum sci_status scic_sds_remote_device_suspend( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 suspend_type); void scic_sds_remote_device_post_request( - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u32 request); -#define scic_sds_remote_device_is_atapi(sci_dev) false +#define scic_sds_remote_device_is_atapi(idev) false #endif /* !defined(_ISCI_REMOTE_DEVICE_H_) */ diff --git a/drivers/scsi/isci/remote_node_context.c b/drivers/scsi/isci/remote_node_context.c index 1b51fe55314..e485744e126 100644 --- a/drivers/scsi/isci/remote_node_context.c +++ b/drivers/scsi/isci/remote_node_context.c @@ -103,22 +103,22 @@ bool scic_sds_remote_node_context_is_ready( static void scic_sds_remote_node_context_construct_buffer( struct scic_sds_remote_node_context *sci_rnc) { - struct scic_sds_remote_device *sci_dev = rnc_to_dev(sci_rnc); - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct isci_remote_device *idev = rnc_to_dev(sci_rnc); + struct domain_device *dev = idev->domain_dev; int rni = sci_rnc->remote_node_index; union scu_remote_node_context *rnc; struct scic_sds_controller *scic; __le64 sas_addr; - scic = scic_sds_remote_device_get_controller(sci_dev); + scic = scic_sds_remote_device_get_controller(idev); rnc = scic_sds_controller_get_remote_node_context_buffer(scic, rni); memset(rnc, 0, sizeof(union scu_remote_node_context) - * scic_sds_remote_device_node_count(sci_dev)); + * scic_sds_remote_device_node_count(idev)); rnc->ssp.remote_node_index = rni; - rnc->ssp.remote_node_port_width = sci_dev->device_port_width; - rnc->ssp.logical_port_index = sci_dev->owning_port->physical_port_index; + rnc->ssp.remote_node_port_width = idev->device_port_width; + rnc->ssp.logical_port_index = idev->owning_port->physical_port_index; /* sas address is __be64, context ram format is __le64 */ sas_addr = cpu_to_le64(SAS_ADDR(dev->sas_addr)); @@ -148,7 +148,7 @@ static void scic_sds_remote_node_context_construct_buffer( rnc->ssp.initial_arbitration_wait_time = 0; /* Open Address Frame Parameters */ - rnc->ssp.oaf_connection_rate = sci_dev->connection_rate; + rnc->ssp.oaf_connection_rate = idev->connection_rate; rnc->ssp.oaf_features = 0; rnc->ssp.oaf_source_zone_group = 0; rnc->ssp.oaf_more_compatibility_features = 0; @@ -220,26 +220,26 @@ static void scic_sds_remote_node_context_continue_state_transitions(struct scic_ static void scic_sds_remote_node_context_validate_context_buffer( struct scic_sds_remote_node_context *sci_rnc) { - struct scic_sds_remote_device *sci_dev = rnc_to_dev(sci_rnc); - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct isci_remote_device *idev = rnc_to_dev(sci_rnc); + struct domain_device *dev = idev->domain_dev; union scu_remote_node_context *rnc_buffer; rnc_buffer = scic_sds_controller_get_remote_node_context_buffer( - scic_sds_remote_device_get_controller(sci_dev), + scic_sds_remote_device_get_controller(idev), sci_rnc->remote_node_index ); rnc_buffer->ssp.is_valid = true; - if (!sci_dev->is_direct_attached && + if (!idev->is_direct_attached && (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP))) { - scic_sds_remote_device_post_request(sci_dev, + scic_sds_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_96); } else { - scic_sds_remote_device_post_request(sci_dev, SCU_CONTEXT_COMMAND_POST_RNC_32); + scic_sds_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_32); - if (sci_dev->is_direct_attached) { - scic_sds_port_setup_transports(sci_dev->owning_port, + if (idev->is_direct_attached) { + scic_sds_port_setup_transports(idev->owning_port, sci_rnc->remote_node_index); } } @@ -296,11 +296,11 @@ static void scic_sds_remote_node_context_invalidating_state_enter(struct sci_bas static void scic_sds_remote_node_context_resuming_state_enter(struct sci_base_state_machine *sm) { struct scic_sds_remote_node_context *rnc = container_of(sm, typeof(*rnc), sm); - struct scic_sds_remote_device *sci_dev; + struct isci_remote_device *idev; struct domain_device *dev; - sci_dev = rnc_to_dev(rnc); - dev = sci_dev_to_domain(sci_dev); + idev = rnc_to_dev(rnc); + dev = idev->domain_dev; /* * For direct attached SATA devices we need to clear the TLCR @@ -309,11 +309,11 @@ static void scic_sds_remote_node_context_resuming_state_enter(struct sci_base_st * the STPTLDARNI register with the RNi of the device */ if ((dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) && - sci_dev->is_direct_attached) - scic_sds_port_setup_transports(sci_dev->owning_port, + idev->is_direct_attached) + scic_sds_port_setup_transports(idev->owning_port, rnc->remote_node_index); - scic_sds_remote_device_post_request(sci_dev, SCU_CONTEXT_COMMAND_POST_RNC_RESUME); + scic_sds_remote_device_post_request(idev, SCU_CONTEXT_COMMAND_POST_RNC_RESUME); } static void scic_sds_remote_node_context_ready_state_enter(struct sci_base_state_machine *sm) @@ -564,8 +564,8 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ sci_rnc->user_cookie = cb_p; return SCI_SUCCESS; case SCI_RNC_TX_SUSPENDED: { - struct scic_sds_remote_device *sci_dev = rnc_to_dev(sci_rnc); - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct isci_remote_device *idev = rnc_to_dev(sci_rnc); + struct domain_device *dev = idev->domain_dev; scic_sds_remote_node_context_setup_to_resume(sci_rnc, cb_fn, cb_p); @@ -573,7 +573,7 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_ if (dev->dev_type == SAS_END_DEV || dev_is_expander(dev)) sci_change_state(&sci_rnc->sm, SCI_RNC_RESUMING); else if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { - if (sci_dev->is_direct_attached) { + if (idev->is_direct_attached) { /* @todo Fix this since I am being silly in writing to the STPTLDARNI register. */ sci_change_state(&sci_rnc->sm, SCI_RNC_RESUMING); } else { diff --git a/drivers/scsi/isci/remote_node_context.h b/drivers/scsi/isci/remote_node_context.h index 35e6ae61690..7a24c7a12de 100644 --- a/drivers/scsi/isci/remote_node_context.h +++ b/drivers/scsi/isci/remote_node_context.h @@ -79,7 +79,7 @@ #define SCI_SOFTWARE_SUSPENSION (1) struct isci_request; -struct scic_sds_remote_device; +struct isci_remote_device; struct scic_sds_remote_node_context; typedef void (*scics_sds_remote_node_context_callback)(void *); diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 2d29abf3ce1..90ead662828 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -209,17 +209,17 @@ static void scu_ssp_reqeust_construct_task_context( struct scu_task_context *task_context) { dma_addr_t dma_addr; - struct scic_sds_remote_device *target_device; + struct isci_remote_device *idev; struct isci_port *iport; - target_device = scic_sds_request_get_device(ireq); + idev = scic_sds_request_get_device(ireq); iport = scic_sds_request_get_port(ireq); /* Fill in the TC with the its required data */ task_context->abort = 0; task_context->priority = 0; task_context->initiator_request = 1; - task_context->connection_rate = target_device->connection_rate; + task_context->connection_rate = idev->connection_rate; task_context->protocol_engine_index = scic_sds_controller_get_protocol_engine_group(controller); task_context->logical_port_index = scic_sds_port_get_index(iport); @@ -227,8 +227,7 @@ static void scu_ssp_reqeust_construct_task_context( task_context->valid = SCU_TASK_CONTEXT_VALID; task_context->context_type = SCU_TASK_CONTEXT_TYPE; - task_context->remote_node_index = - scic_sds_remote_device_get_index(ireq->target_device); + task_context->remote_node_index = scic_sds_remote_device_get_index(idev); task_context->command_code = 0; task_context->link_layer_control = 0; @@ -348,17 +347,17 @@ static void scu_sata_reqeust_construct_task_context( struct scu_task_context *task_context) { dma_addr_t dma_addr; - struct scic_sds_remote_device *target_device; + struct isci_remote_device *idev; struct isci_port *iport; - target_device = scic_sds_request_get_device(ireq); + idev = scic_sds_request_get_device(ireq); iport = scic_sds_request_get_port(ireq); /* Fill in the TC with the its required data */ task_context->abort = 0; task_context->priority = SCU_TASK_PRIORITY_NORMAL; task_context->initiator_request = 1; - task_context->connection_rate = target_device->connection_rate; + task_context->connection_rate = idev->connection_rate; task_context->protocol_engine_index = scic_sds_controller_get_protocol_engine_group(controller); task_context->logical_port_index = @@ -367,8 +366,7 @@ static void scu_sata_reqeust_construct_task_context( task_context->valid = SCU_TASK_CONTEXT_VALID; task_context->context_type = SCU_TASK_CONTEXT_TYPE; - task_context->remote_node_index = - scic_sds_remote_device_get_index(ireq->target_device); + task_context->remote_node_index = scic_sds_remote_device_get_index(idev); task_context->command_code = 0; task_context->link_layer_control = 0; @@ -2850,7 +2848,7 @@ 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 isci_request *ireq = container_of(sm, typeof(*ireq), sm); - struct domain_device *dev = sci_dev_to_domain(ireq->target_device); + struct domain_device *dev = ireq->target_device->domain_dev; struct sas_task *task; /* XXX as hch said always creating an internal sas_task for tmf @@ -2988,12 +2986,12 @@ 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 isci_remote_device *idev, struct isci_request *ireq) { sci_init_sm(&ireq->sm, scic_sds_request_state_table, SCI_REQ_INIT); - ireq->target_device = sci_dev; + ireq->target_device = idev; ireq->protocol = SCIC_NO_PROTOCOL; ireq->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX; @@ -3004,16 +3002,16 @@ scic_sds_general_request_construct(struct scic_sds_controller *scic, static enum sci_status scic_io_request_construct(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, struct isci_request *ireq) { - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, sci_dev, ireq); + scic_sds_general_request_construct(scic, idev, ireq); - if (sci_dev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) + if (idev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) return SCI_FAILURE_INVALID_REMOTE_DEVICE; if (dev->dev_type == SAS_END_DEV) @@ -3031,14 +3029,14 @@ scic_io_request_construct(struct scic_sds_controller *scic, } enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 io_tag, struct isci_request *ireq) { - struct domain_device *dev = sci_dev_to_domain(sci_dev); + struct domain_device *dev = idev->domain_dev; enum sci_status status = SCI_SUCCESS; /* Build the common part of the request */ - scic_sds_general_request_construct(scic, sci_dev, ireq); + scic_sds_general_request_construct(scic, idev, ireq); if (dev->dev_type == SAS_END_DEV || dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) { @@ -3102,7 +3100,7 @@ scic_io_request_construct_smp(struct device *dev, struct sas_task *task) { struct scatterlist *sg = &task->smp_task.smp_req; - struct scic_sds_remote_device *sci_dev; + struct isci_remote_device *idev; struct scu_task_context *task_context; struct isci_port *iport; struct smp_req *smp_req; @@ -3147,7 +3145,7 @@ scic_io_request_construct_smp(struct device *dev, task_context = ireq->tc; - sci_dev = scic_sds_request_get_device(ireq); + idev = scic_sds_request_get_device(ireq); iport = scic_sds_request_get_port(ireq); /* @@ -3156,7 +3154,7 @@ scic_io_request_construct_smp(struct device *dev, */ task_context->priority = 0; task_context->initiator_request = 1; - task_context->connection_rate = sci_dev->connection_rate; + task_context->connection_rate = idev->connection_rate; task_context->protocol_engine_index = scic_sds_controller_get_protocol_engine_group(scic); task_context->logical_port_index = scic_sds_port_get_index(iport); @@ -3166,7 +3164,7 @@ scic_io_request_construct_smp(struct device *dev, task_context->context_type = SCU_TASK_CONTEXT_TYPE; /* 04h */ - task_context->remote_node_index = sci_dev->rnc.remote_node_index; + task_context->remote_node_index = idev->rnc.remote_node_index; task_context->command_code = 0; task_context->task_type = SCU_TASK_TYPE_SMP_REQUEST; @@ -3257,17 +3255,16 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq) */ static enum sci_status isci_io_request_build(struct isci_host *isci_host, struct isci_request *request, - struct isci_remote_device *isci_device) + struct isci_remote_device *idev) { enum sci_status status = SCI_SUCCESS; struct sas_task *task = isci_request_access_task(request); - struct scic_sds_remote_device *sci_device = &isci_device->sci; dev_dbg(&isci_host->pdev->dev, - "%s: isci_device = 0x%p; request = %p, " + "%s: idev = 0x%p; request = %p, " "num_scatter = %d\n", __func__, - isci_device, + idev, request, task->num_scatter); @@ -3290,8 +3287,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host, return SCI_FAILURE_INSUFFICIENT_RESOURCES; } - status = scic_io_request_construct(&isci_host->sci, sci_device, - request); + status = scic_io_request_construct(&isci_host->sci, idev, request); if (status != SCI_SUCCESS) { dev_warn(&isci_host->pdev->dev, @@ -3397,14 +3393,14 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide * ireq->is_task_management_request is false). */ status = scic_controller_start_task(&ihost->sci, - &idev->sci, + idev, 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, + status = scic_controller_start_io(&ihost->sci, idev, ireq); } diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h index 68d8a27357e..ca64ea207ac 100644 --- a/drivers/scsi/isci/request.h +++ b/drivers/scsi/isci/request.h @@ -146,7 +146,7 @@ struct isci_request { struct completion *io_request_completion; struct sci_base_state_machine sm; struct scic_sds_controller *owning_controller; - struct scic_sds_remote_device *target_device; + struct isci_remote_device *target_device; u16 io_tag; enum sci_request_protocol protocol; u32 scu_status; /* hardware result */ @@ -501,7 +501,7 @@ void isci_terminate_pending_requests(struct isci_host *ihost, struct isci_remote_device *idev); enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, - struct scic_sds_remote_device *sci_dev, + struct isci_remote_device *idev, u16 io_tag, struct isci_request *ireq); enum sci_status diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 700708c8267..89b01eef44b 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -257,7 +257,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost, return NULL; /* let the core do it's construct. */ - status = scic_task_request_construct(&ihost->sci, &idev->sci, tag, + status = scic_task_request_construct(&ihost->sci, idev, tag, ireq); if (status != SCI_SUCCESS) { @@ -288,12 +288,11 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost, } int isci_task_execute_tmf(struct isci_host *ihost, - struct isci_remote_device *isci_device, + struct isci_remote_device *idev, struct isci_tmf *tmf, unsigned long timeout_ms) { DECLARE_COMPLETION_ONSTACK(completion); enum sci_task_status status = SCI_TASK_FAILURE; - struct scic_sds_remote_device *sci_device; struct isci_request *ireq; int ret = TMF_RESP_FUNC_FAILED; unsigned long flags; @@ -310,34 +309,30 @@ int isci_task_execute_tmf(struct isci_host *ihost, /* sanity check, return TMF_RESP_FUNC_FAILED * if the device is not there and ready. */ - if (!isci_device || - (!test_bit(IDEV_IO_READY, &isci_device->flags) && - !test_bit(IDEV_IO_NCQERROR, &isci_device->flags))) { + if (!idev || + (!test_bit(IDEV_IO_READY, &idev->flags) && + !test_bit(IDEV_IO_NCQERROR, &idev->flags))) { dev_dbg(&ihost->pdev->dev, - "%s: isci_device = %p not ready (%#lx)\n", + "%s: idev = %p not ready (%#lx)\n", __func__, - isci_device, isci_device ? isci_device->flags : 0); + idev, idev ? idev->flags : 0); goto err_tci; } else dev_dbg(&ihost->pdev->dev, - "%s: isci_device = %p\n", - __func__, isci_device); - - sci_device = &isci_device->sci; + "%s: idev = %p\n", + __func__, idev); /* Assign the pointer to the TMF's completion kernel wait structure. */ tmf->complete = &completion; - ireq = isci_task_request_build(ihost, isci_device, tag, tmf); + ireq = isci_task_request_build(ihost, idev, tag, tmf); if (!ireq) goto err_tci; spin_lock_irqsave(&ihost->scic_lock, flags); /* start the TMF io. */ - status = scic_controller_start_task(&ihost->sci, - sci_device, - ireq); + status = scic_controller_start_task(&ihost->sci, idev, ireq); if (status != SCI_TASK_SUCCESS) { dev_warn(&ihost->pdev->dev, @@ -355,7 +350,7 @@ int isci_task_execute_tmf(struct isci_host *ihost, isci_request_change_state(ireq, started); /* add the request to the remote device request list. */ - list_add(&ireq->dev_node, &isci_device->reqs_in_process); + list_add(&ireq->dev_node, &idev->reqs_in_process); spin_unlock_irqrestore(&ihost->scic_lock, flags); @@ -370,7 +365,7 @@ int isci_task_execute_tmf(struct isci_host *ihost, tmf->cb_state_func(isci_tmf_timed_out, tmf, tmf->cb_data); scic_controller_terminate_request(&ihost->sci, - &isci_device->sci, + idev, ireq); spin_unlock_irqrestore(&ihost->scic_lock, flags); @@ -520,13 +515,13 @@ static void isci_request_cleanup_completed_loiterer( * from a thread that can wait. Note that the request is terminated and * completed (back to the host, if started there). * @isci_host: This SCU. - * @isci_device: The target. + * @idev: The target. * @isci_request: The I/O request to be terminated. * */ static void isci_terminate_request_core( struct isci_host *isci_host, - struct isci_remote_device *isci_device, + struct isci_remote_device *idev, struct isci_request *isci_request) { enum sci_status status = SCI_SUCCESS; @@ -540,7 +535,7 @@ static void isci_terminate_request_core( dev_dbg(&isci_host->pdev->dev, "%s: device = %p; request = %p\n", - __func__, isci_device, isci_request); + __func__, idev, isci_request); spin_lock_irqsave(&isci_host->scic_lock, flags); @@ -564,7 +559,7 @@ static void isci_terminate_request_core( needs_cleanup_handling = true; status = scic_controller_terminate_request( &isci_host->sci, - &isci_device->sci, + idev, isci_request); } spin_unlock_irqrestore(&isci_host->scic_lock, flags); @@ -683,7 +678,7 @@ static void isci_terminate_request_core( } if (needs_cleanup_handling) isci_request_cleanup_completed_loiterer( - isci_host, isci_device, isci_request, task); + isci_host, idev, isci_request, task); } } @@ -694,7 +689,7 @@ static void isci_terminate_request_core( * called from a thread that can wait. Note that the requests are all * terminated and completed (back to the host, if started there). * @isci_host: This parameter specifies SCU. - * @isci_device: This parameter specifies the target. + * @idev: This parameter specifies the target. * */ void isci_terminate_pending_requests(struct isci_host *ihost, @@ -1521,7 +1516,7 @@ static int isci_reset_device(struct isci_host *ihost, dev_dbg(&ihost->pdev->dev, "%s: idev %p\n", __func__, idev); spin_lock_irqsave(&ihost->scic_lock, flags); - status = scic_remote_device_reset(&idev->sci); + status = scic_remote_device_reset(idev); if (status != SCI_SUCCESS) { spin_unlock_irqrestore(&ihost->scic_lock, flags); @@ -1547,7 +1542,7 @@ static int isci_reset_device(struct isci_host *ihost, /* Since all pending TCs have been cleaned, resume the RNC. */ spin_lock_irqsave(&ihost->scic_lock, flags); - status = scic_remote_device_reset_complete(&idev->sci); + status = scic_remote_device_reset_complete(idev); spin_unlock_irqrestore(&ihost->scic_lock, flags); /* If this is a device on an expander, bring the phy back up. */ |