diff options
Diffstat (limited to 'drivers/scsi/isci/host.c')
| -rw-r--r-- | drivers/scsi/isci/host.c | 742 |
1 files changed, 281 insertions, 461 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index bb298f8f609a..f31f64e4b713 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -180,8 +180,7 @@ void sci_change_state(struct sci_base_state_machine *sm, u32 next_state) handler(sm); } -static bool scic_sds_controller_completion_queue_has_entries( - struct isci_host *ihost) +static bool sci_controller_completion_queue_has_entries(struct isci_host *ihost) { u32 get_value = ihost->completion_queue_get; u32 get_index = get_value & SMU_COMPLETION_QUEUE_GET_POINTER_MASK; @@ -193,9 +192,9 @@ static bool scic_sds_controller_completion_queue_has_entries( return false; } -static bool scic_sds_controller_isr(struct isci_host *ihost) +static bool sci_controller_isr(struct isci_host *ihost) { - if (scic_sds_controller_completion_queue_has_entries(ihost)) { + if (sci_controller_completion_queue_has_entries(ihost)) { return true; } else { /* @@ -219,13 +218,13 @@ irqreturn_t isci_msix_isr(int vec, void *data) { struct isci_host *ihost = data; - if (scic_sds_controller_isr(ihost)) + if (sci_controller_isr(ihost)) tasklet_schedule(&ihost->completion_tasklet); return IRQ_HANDLED; } -static bool scic_sds_controller_error_isr(struct isci_host *ihost) +static bool sci_controller_error_isr(struct isci_host *ihost) { u32 interrupt_status; @@ -252,35 +251,35 @@ static bool scic_sds_controller_error_isr(struct isci_host *ihost) return false; } -static void scic_sds_controller_task_completion(struct isci_host *ihost, - u32 completion_entry) +static void sci_controller_task_completion(struct isci_host *ihost, u32 ent) { - u32 index = SCU_GET_COMPLETION_INDEX(completion_entry); + u32 index = SCU_GET_COMPLETION_INDEX(ent); struct isci_request *ireq = ihost->reqs[index]; /* Make sure that we really want to process this IO request */ if (test_bit(IREQ_ACTIVE, &ireq->flags) && ireq->io_tag != SCI_CONTROLLER_INVALID_IO_TAG && ISCI_TAG_SEQ(ireq->io_tag) == ihost->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(ireq, completion_entry); + /* Yep this is a valid io request pass it along to the + * io request handler + */ + sci_io_request_tc_completion(ireq, ent); } -static void scic_sds_controller_sdma_completion(struct isci_host *ihost, - u32 completion_entry) +static void sci_controller_sdma_completion(struct isci_host *ihost, u32 ent) { u32 index; struct isci_request *ireq; struct isci_remote_device *idev; - index = SCU_GET_COMPLETION_INDEX(completion_entry); + index = SCU_GET_COMPLETION_INDEX(ent); - switch (scu_get_command_request_type(completion_entry)) { + switch (scu_get_command_request_type(ent)) { case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC: case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_TC: ireq = ihost->reqs[index]; dev_warn(&ihost->pdev->dev, "%s: %x for io request %p\n", - __func__, completion_entry, ireq); + __func__, ent, ireq); /* @todo For a post TC operation we need to fail the IO * request */ @@ -290,20 +289,19 @@ static void scic_sds_controller_sdma_completion(struct isci_host *ihost, case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_RNC: idev = ihost->device_table[index]; dev_warn(&ihost->pdev->dev, "%s: %x for device %p\n", - __func__, completion_entry, idev); + __func__, ent, idev); /* @todo For a port RNC operation we need to fail the * device */ break; default: dev_warn(&ihost->pdev->dev, "%s: unknown completion type %x\n", - __func__, completion_entry); + __func__, ent); break; } } -static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost, - u32 completion_entry) +static void sci_controller_unsolicited_frame(struct isci_host *ihost, u32 ent) { u32 index; u32 frame_index; @@ -314,36 +312,36 @@ static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost, enum sci_status result = SCI_FAILURE; - frame_index = SCU_GET_FRAME_INDEX(completion_entry); + frame_index = SCU_GET_FRAME_INDEX(ent); frame_header = ihost->uf_control.buffers.array[frame_index].header; ihost->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE; - if (SCU_GET_FRAME_ERROR(completion_entry)) { + if (SCU_GET_FRAME_ERROR(ent)) { /* * / @todo If the IAF frame or SIGNATURE FIS frame has an error will * / this cause a problem? We expect the phy initialization will * / fail if there is an error in the frame. */ - scic_sds_controller_release_frame(ihost, frame_index); + sci_controller_release_frame(ihost, frame_index); return; } if (frame_header->is_address_frame) { - index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); + index = SCU_GET_PROTOCOL_ENGINE_INDEX(ent); iphy = &ihost->phys[index]; - result = scic_sds_phy_frame_handler(iphy, frame_index); + result = sci_phy_frame_handler(iphy, frame_index); } else { - index = SCU_GET_COMPLETION_INDEX(completion_entry); + index = SCU_GET_COMPLETION_INDEX(ent); if (index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) { /* * This is a signature fis or a frame from a direct attached SATA * device that has not yet been created. In either case forwared * the frame to the PE and let it take care of the frame data. */ - index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); + index = SCU_GET_PROTOCOL_ENGINE_INDEX(ent); iphy = &ihost->phys[index]; - result = scic_sds_phy_frame_handler(iphy, frame_index); + result = sci_phy_frame_handler(iphy, frame_index); } else { if (index < ihost->remote_node_entries) idev = ihost->device_table[index]; @@ -351,9 +349,9 @@ static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost, idev = NULL; if (idev != NULL) - result = scic_sds_remote_device_frame_handler(idev, frame_index); + result = sci_remote_device_frame_handler(idev, frame_index); else - scic_sds_controller_release_frame(ihost, frame_index); + sci_controller_release_frame(ihost, frame_index); } } @@ -364,17 +362,16 @@ static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost, } } -static void scic_sds_controller_event_completion(struct isci_host *ihost, - u32 completion_entry) +static void sci_controller_event_completion(struct isci_host *ihost, u32 ent) { struct isci_remote_device *idev; struct isci_request *ireq; struct isci_phy *iphy; u32 index; - index = SCU_GET_COMPLETION_INDEX(completion_entry); + index = SCU_GET_COMPLETION_INDEX(ent); - switch (scu_get_event_type(completion_entry)) { + switch (scu_get_event_type(ent)) { case SCU_EVENT_TYPE_SMU_COMMAND_ERROR: /* / @todo The driver did something wrong and we need to fix the condtion. */ dev_err(&ihost->pdev->dev, @@ -382,7 +379,7 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, "0x%x\n", __func__, ihost, - completion_entry); + ent); break; case SCU_EVENT_TYPE_SMU_PCQ_ERROR: @@ -396,21 +393,21 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, "event 0x%x\n", __func__, ihost, - completion_entry); + ent); break; case SCU_EVENT_TYPE_TRANSPORT_ERROR: ireq = ihost->reqs[index]; - scic_sds_io_request_event_handler(ireq, completion_entry); + sci_io_request_event_handler(ireq, ent); break; case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT: - switch (scu_get_event_specifier(completion_entry)) { + switch (scu_get_event_specifier(ent)) { case SCU_EVENT_SPECIFIC_SMP_RESPONSE_NO_PE: case SCU_EVENT_SPECIFIC_TASK_TIMEOUT: ireq = ihost->reqs[index]; if (ireq != NULL) - scic_sds_io_request_event_handler(ireq, completion_entry); + sci_io_request_event_handler(ireq, ent); else dev_warn(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received " @@ -418,14 +415,14 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, "that doesnt exist.\n", __func__, ihost, - completion_entry); + ent); break; case SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT: idev = ihost->device_table[index]; if (idev != NULL) - scic_sds_remote_device_event_handler(idev, completion_entry); + sci_remote_device_event_handler(idev, ent); else dev_warn(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received " @@ -433,7 +430,7 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, "that doesnt exist.\n", __func__, ihost, - completion_entry); + ent); break; } @@ -448,9 +445,9 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, * direct error counter event to the phy object since that is where * we get the event notification. This is a type 4 event. */ case SCU_EVENT_TYPE_OSSP_EVENT: - index = SCU_GET_PROTOCOL_ENGINE_INDEX(completion_entry); + index = SCU_GET_PROTOCOL_ENGINE_INDEX(ent); iphy = &ihost->phys[index]; - scic_sds_phy_event_handler(iphy, completion_entry); + sci_phy_event_handler(iphy, ent); break; case SCU_EVENT_TYPE_RNC_SUSPEND_TX: @@ -460,7 +457,7 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, idev = ihost->device_table[index]; if (idev != NULL) - scic_sds_remote_device_event_handler(idev, completion_entry); + sci_remote_device_event_handler(idev, ent); } else dev_err(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received event 0x%x " @@ -468,7 +465,7 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, "exist.\n", __func__, ihost, - completion_entry, + ent, index); break; @@ -477,15 +474,15 @@ static void scic_sds_controller_event_completion(struct isci_host *ihost, dev_warn(&ihost->pdev->dev, "%s: SCIC Controller received unknown event code %x\n", __func__, - completion_entry); + ent); break; } } -static void scic_sds_controller_process_completions(struct isci_host *ihost) +static void sci_controller_process_completions(struct isci_host *ihost) { u32 completion_count = 0; - u32 completion_entry; + u32 ent; u32 get_index; u32 get_cycle; u32 event_get; @@ -509,7 +506,7 @@ static void scic_sds_controller_process_completions(struct isci_host *ihost) ) { completion_count++; - completion_entry = ihost->completion_queue[get_index]; + ent = ihost->completion_queue[get_index]; /* increment the get pointer and check for rollover to toggle the cycle bit */ get_cycle ^= ((get_index+1) & SCU_MAX_COMPLETION_QUEUE_ENTRIES) << @@ -519,19 +516,19 @@ static void scic_sds_controller_process_completions(struct isci_host *ihost) dev_dbg(&ihost->pdev->dev, "%s: completion queue entry:0x%08x\n", __func__, - completion_entry); + ent); - switch (SCU_GET_COMPLETION_TYPE(completion_entry)) { + switch (SCU_GET_COMPLETION_TYPE(ent)) { case SCU_COMPLETION_TYPE_TASK: - scic_sds_controller_task_completion(ihost, completion_entry); + sci_controller_task_completion(ihost, ent); break; case SCU_COMPLETION_TYPE_SDMA: - scic_sds_controller_sdma_completion(ihost, completion_entry); + sci_controller_sdma_completion(ihost, ent); break; case SCU_COMPLETION_TYPE_UFI: - scic_sds_controller_unsolicited_frame(ihost, completion_entry); + sci_controller_unsolicited_frame(ihost, ent); break; case SCU_COMPLETION_TYPE_EVENT: @@ -540,7 +537,7 @@ static void scic_sds_controller_process_completions(struct isci_host *ihost) (SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT); event_get = (event_get+1) & (SCU_MAX_EVENTS-1); - scic_sds_controller_event_completion(ihost, completion_entry); + sci_controller_event_completion(ihost, ent); break; } default: @@ -548,7 +545,7 @@ static void scic_sds_controller_process_completions(struct isci_host *ihost) "%s: SCIC Controller received unknown " "completion type %x\n", __func__, - completion_entry); + ent); break; } } @@ -575,7 +572,7 @@ static void scic_sds_controller_process_completions(struct isci_host *ihost) } -static void scic_sds_controller_error_handler(struct isci_host *ihost) +static void sci_controller_error_handler(struct isci_host *ihost) { u32 interrupt_status; @@ -583,9 +580,9 @@ static void scic_sds_controller_error_handler(struct isci_host *ihost) readl(&ihost->smu_registers->interrupt_status); if ((interrupt_status & SMU_ISR_QUEUE_SUSPEND) && - scic_sds_controller_completion_queue_has_entries(ihost)) { + sci_controller_completion_queue_has_entries(ihost)) { - scic_sds_controller_process_completions(ihost); + sci_controller_process_completions(ihost); writel(SMU_ISR_QUEUE_SUSPEND, &ihost->smu_registers->interrupt_status); } else { dev_err(&ihost->pdev->dev, "%s: status: %#x\n", __func__, @@ -607,13 +604,13 @@ irqreturn_t isci_intx_isr(int vec, void *data) irqreturn_t ret = IRQ_NONE; struct isci_host *ihost = data; - if (scic_sds_controller_isr(ihost)) { + if (sci_controller_isr(ihost)) { writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status); tasklet_schedule(&ihost->completion_tasklet); ret = IRQ_HANDLED; - } else if (scic_sds_controller_error_isr(ihost)) { + } else if (sci_controller_error_isr(ihost)) { spin_lock(&ihost->scic_lock); - scic_sds_controller_error_handler(ihost); + sci_controller_error_handler(ihost); spin_unlock(&ihost->scic_lock); ret = IRQ_HANDLED; } @@ -625,8 +622,8 @@ irqreturn_t isci_error_isr(int vec, void *data) { struct isci_host *ihost = data; - if (scic_sds_controller_error_isr(ihost)) - scic_sds_controller_error_handler(ihost); + if (sci_controller_error_isr(ihost)) + sci_controller_error_handler(ihost); return IRQ_HANDLED; } @@ -670,8 +667,8 @@ int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time) } /** - * scic_controller_get_suggested_start_timeout() - This method returns the - * suggested scic_controller_start() timeout amount. The user is free to + * sci_controller_get_suggested_start_timeout() - This method returns the + * suggested sci_controller_start() timeout amount. The user is free to * use any timeout value, but this method provides the suggested minimum * start timeout value. The returned value is based upon empirical * information determined as a result of interoperability testing. @@ -681,7 +678,7 @@ int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time) * This method returns the number of milliseconds for the suggested start * operation timeout. */ -static u32 scic_controller_get_suggested_start_timeout(struct isci_host *ihost) +static u32 sci_controller_get_suggested_start_timeout(struct isci_host *ihost) { /* Validate the user supplied parameters. */ if (!ihost) @@ -706,19 +703,19 @@ static u32 scic_controller_get_suggested_start_timeout(struct isci_host *ihost) + ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL); } -static void scic_controller_enable_interrupts(struct isci_host *ihost) +static void sci_controller_enable_interrupts(struct isci_host *ihost) { BUG_ON(ihost->smu_registers == NULL); writel(0, &ihost->smu_registers->interrupt_mask); } -void scic_controller_disable_interrupts(struct isci_host *ihost) +void sci_controller_disable_interrupts(struct isci_host *ihost) { BUG_ON(ihost->smu_registers == NULL); writel(0xffffffff, &ihost->smu_registers->interrupt_mask); } -static void scic_sds_controller_enable_port_task_scheduler(struct isci_host *ihost) +static void sci_controller_enable_port_task_scheduler(struct isci_host *ihost) { u32 port_task_scheduler_value; @@ -731,7 +728,7 @@ static void scic_sds_controller_enable_port_task_scheduler(struct isci_host *iho &ihost->scu_registers->peg0.ptsg.control); } -static void scic_sds_controller_assign_task_entries(struct isci_host *ihost) +static void sci_controller_assign_task_entries(struct isci_host *ihost) { u32 task_assignment; @@ -752,7 +749,7 @@ static void scic_sds_controller_assign_task_entries(struct isci_host *ihost) } -static void scic_sds_controller_initialize_completion_queue(struct isci_host *ihost) +static void sci_controller_initialize_completion_queue(struct isci_host *ihost) { u32 index; u32 completion_queue_control_value; @@ -799,7 +796,7 @@ static void scic_sds_controller_initialize_completion_queue(struct isci_host *ih } } -static void scic_sds_controller_initialize_unsolicited_frame_queue(struct isci_host *ihost) +static void sci_controller_initialize_unsolicited_frame_queue(struct isci_host *ihost) { u32 frame_queue_control_value; u32 frame_queue_get_value; @@ -826,22 +823,8 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct isci_h &ihost->scu_registers->sdma.unsolicited_frame_put_pointer); } -/** - * This method will attempt to transition into the ready state for the - * controller and indicate that the controller start operation has completed - * if all criteria are met. - * @scic: This parameter indicates the controller object for which - * to transition to ready. - * @status: This parameter indicates the status value to be pass into the call - * to scic_cb_controller_start_complete(). - * - * none. - */ -static void scic_sds_controller_transition_to_ready( - struct isci_host *ihost, - enum sci_status status) +static void sci_controller_transition_to_ready(struct isci_host *ihost, enum sci_status status) { - if (ihost->sm.current_state_id == SCIC_STARTING) { /* * We move into the ready state, because some of the phys/ports @@ -855,7 +838,7 @@ static void scic_sds_controller_transition_to_ready( static bool is_phy_starting(struct isci_phy *iphy) { - enum scic_sds_phy_states state; + enum sci_phy_states state; state = iphy->sm.current_state_id; switch (state) { @@ -876,16 +859,16 @@ static bool is_phy_starting(struct isci_phy *iphy) } /** - * scic_sds_controller_start_next_phy - start phy + * sci_controller_start_next_phy - start phy * @scic: controller * * If all the phys have been started, then attempt to transition the * controller to the READY state and inform the user - * (scic_cb_controller_start_complete()). + * (sci_cb_controller_start_complete()). */ -static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihost) +static enum sci_status sci_controller_start_next_phy(struct isci_host *ihost) { - struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1; + struct sci_oem_params *oem = &ihost->oem_parameters; struct isci_phy *iphy; enum sci_status status; @@ -924,7 +907,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihos * The controller has successfully finished the start process. * Inform the SCI Core user and transition to the READY state. */ if (is_controller_start_complete == true) { - scic_sds_controller_transition_to_ready(ihost, SCI_SUCCESS); + sci_controller_transition_to_ready(ihost, SCI_SUCCESS); sci_del_timer(&ihost->phy_timer); ihost->phy_startup_timer_pending = false; } @@ -944,11 +927,11 @@ static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihos * incorrectly for the PORT or it was never * assigned to a PORT */ - return scic_sds_controller_start_next_phy(ihost); + return sci_controller_start_next_phy(ihost); } } - status = scic_sds_phy_start(iphy); + status = sci_phy_start(iphy); if (status == SCI_SUCCESS) { sci_mod_timer(&ihost->phy_timer, @@ -985,7 +968,7 @@ static void phy_startup_timeout(unsigned long data) ihost->phy_startup_timer_pending = false; do { - status = scic_sds_controller_start_next_phy(ihost); + status = sci_controller_start_next_phy(ihost); } while (status != SCI_SUCCESS); done: @@ -997,7 +980,7 @@ static u16 isci_tci_active(struct isci_host *ihost) return CIRC_CNT(ihost->tci_head, ihost->tci_tail, SCI_MAX_IO_REQUESTS); } -static enum sci_status scic_controller_start(struct isci_host *ihost, +static enum sci_status sci_controller_start(struct isci_host *ihost, u32 timeout) { enum sci_status result; @@ -1018,38 +1001,37 @@ static enum sci_status scic_controller_start(struct isci_host *ihost, isci_tci_free(ihost, index); /* Build the RNi free pool */ - scic_sds_remote_node_table_initialize( - &ihost->available_remote_nodes, - ihost->remote_node_entries); + sci_remote_node_table_initialize(&ihost->available_remote_nodes, + ihost->remote_node_entries); /* * Before anything else lets make sure we will not be * interrupted by the hardware. */ - scic_controller_disable_interrupts(ihost); + sci_controller_disable_interrupts(ihost); /* Enable the port task scheduler */ - scic_sds_controller_enable_port_task_scheduler(ihost); + sci_controller_enable_port_task_scheduler(ihost); /* Assign all the task entries to ihost physical function */ - scic_sds_controller_assign_task_entries(ihost); + sci_controller_assign_task_entries(ihost); /* Now initialize the completion queue */ - scic_sds_controller_initialize_completion_queue(ihost); + sci_controller_initialize_completion_queue(ihost); /* Initialize the unsolicited frame queue for use */ - scic_sds_controller_initialize_unsolicited_frame_queue(ihost); + sci_controller_initialize_unsolicited_frame_queue(ihost); /* Start all of the ports on this controller */ for (index = 0; index < ihost->logical_port_entries; index++) { struct isci_port *iport = &ihost->ports[index]; - result = scic_sds_port_start(iport); + result = sci_port_start(iport); if (result) return result; } - scic_sds_controller_start_next_phy(ihost); + sci_controller_start_next_phy(ihost); sci_mod_timer(&ihost->timer, timeout); @@ -1061,29 +1043,29 @@ static enum sci_status scic_controller_start(struct isci_host *ihost, void isci_host_scan_start(struct Scsi_Host *shost) { struct isci_host *ihost = SHOST_TO_SAS_HA(shost)->lldd_ha; - unsigned long tmo = scic_controller_get_suggested_start_timeout(ihost); + unsigned long tmo = sci_controller_get_suggested_start_timeout(ihost); set_bit(IHOST_START_PENDING, &ihost->flags); spin_lock_irq(&ihost->scic_lock); - scic_controller_start(ihost, tmo); - scic_controller_enable_interrupts(ihost); + sci_controller_start(ihost, tmo); + sci_controller_enable_interrupts(ihost); spin_unlock_irq(&ihost->scic_lock); } static void isci_host_stop_complete(struct isci_host *ihost, enum sci_status completion_status) { isci_host_change_state(ihost, isci_stopped); - scic_controller_disable_interrupts(ihost); + sci_controller_disable_interrupts(ihost); clear_bit(IHOST_STOP_PENDING, &ihost->flags); wake_up(&ihost->eventq); } -static void scic_sds_controller_completion_handler(struct isci_host *ihost) +static void sci_controller_completion_handler(struct isci_host *ihost) { /* Empty out the completion queue */ - if (scic_sds_controller_completion_queue_has_entries(ihost)) - scic_sds_controller_process_completions(ihost); + if (sci_controller_completion_queue_has_entries(ihost)) + sci_controller_process_completions(ihost); /* Clear the interrupt and enable all interrupts again */ writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status); @@ -1116,7 +1098,7 @@ static void isci_host_completion_routine(unsigned long data) spin_lock_irq(&ihost->scic_lock); - scic_sds_controller_completion_handler(ihost); + sci_controller_completion_handler(ihost); /* Take the lists of completed I/Os from the host. */ @@ -1203,7 +1185,7 @@ static void isci_host_completion_routine(unsigned long data) } /** - * scic_controller_stop() - This method will stop an individual controller + * sci_controller_stop() - This method will stop an individual controller * object.This method will invoke the associated user callback upon * completion. The completion callback is called when the following * conditions are met: -# the method return status is SCI_SUCCESS. -# the @@ -1220,8 +1202,7 @@ static void isci_host_completion_routine(unsigned long data) * controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the * controller is not either in the STARTED or STOPPED states. */ -static enum sci_status scic_controller_stop(struct isci_host *ihost, - u32 timeout) +static enum sci_status sci_controller_stop(struct isci_host *ihost, u32 timeout) { if (ihost->sm.current_state_id != SCIC_READY) { dev_warn(&ihost->pdev->dev, @@ -1236,7 +1217,7 @@ static enum sci_status scic_controller_stop(struct isci_host *ihost, } /** - * scic_controller_reset() - This method will reset the supplied core + * sci_controller_reset() - This method will reset the supplied core * controller regardless of the state of said controller. This operation is * considered destructive. In other words, all current operations are wiped * out. No IO completions for outstanding devices occur. Outstanding IO @@ -1247,7 +1228,7 @@ static enum sci_status scic_controller_stop(struct isci_host *ihost, * SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if * the controller reset operation is unable to complete. */ -static enum sci_status scic_controller_reset(struct isci_host *ihost) +static enum sci_status sci_controller_reset(struct isci_host *ihost) { switch (ihost->sm.current_state_id) { case SCIC_RESET: @@ -1286,11 +1267,11 @@ void isci_host_deinit(struct isci_host *ihost) set_bit(IHOST_STOP_PENDING, &ihost->flags); spin_lock_irq(&ihost->scic_lock); - scic_controller_stop(ihost, SCIC_CONTROLLER_STOP_TIMEOUT); + sci_controller_stop(ihost, SCIC_CONTROLLER_STOP_TIMEOUT); spin_unlock_irq(&ihost->scic_lock); wait_for_stop(ihost); - scic_controller_reset(ihost); + sci_controller_reset(ihost); /* Cancel any/all outstanding port timers */ for (i = 0; i < ihost->logical_port_entries; i++) { @@ -1329,11 +1310,8 @@ static void __iomem *smu_base(struct isci_host *isci_host) return pcim_iomap_table(pdev)[SCI_SMU_BAR * 2] + SCI_SMU_BAR_SIZE * id; } -static void isci_user_parameters_get( - struct isci_host *isci_host, - union scic_user_parameters *scic_user_params) +static void isci_user_parameters_get(struct sci_user_parameters *u) { - struct scic_sds_user_parameters *u = &scic_user_params->sds1; int i; for (i = 0; i < SCI_MAX_PHYS; i++) { @@ -1355,14 +1333,14 @@ static void isci_user_parameters_get( u->max_number_concurrent_device_spin_up = max_concurr_spinup; } -static void scic_sds_controller_initial_state_enter(struct sci_base_state_machine *sm) +static void sci_controller_initial_state_enter(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); sci_change_state(&ihost->sm, SCIC_RESET); } -static inline void scic_sds_controller_starting_state_exit(struct sci_base_state_machine *sm) +static inline void sci_controller_starting_state_exit(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); @@ -1377,7 +1355,7 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state #define INTERRUPT_COALESCE_TIMEOUT_ENCODE_MAX 28 /** - * scic_controller_set_interrupt_coalescence() - This method allows the user to + * sci_controller_set_interrupt_coalescence() - This method allows the user to * configure the interrupt coalescence. * @controller: This parameter represents the handle to the controller object * for which its interrupt coalesce register is overridden. @@ -1394,9 +1372,9 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range. */ static enum sci_status -scic_controller_set_interrupt_coalescence(struct isci_host *ihost, - u32 coalesce_number, - u32 coalesce_timeout) +sci_controller_set_interrupt_coalescence(struct isci_host *ihost, + u32 coalesce_number, + u32 coalesce_timeout) { u8 timeout_encode = 0; u32 min = 0; @@ -1489,23 +1467,23 @@ scic_controller_set_interrupt_coalescence(struct isci_host *ihost, } -static void scic_sds_controller_ready_state_enter(struct sci_base_state_machine *sm) +static void sci_controller_ready_state_enter(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* set the default interrupt coalescence number and timeout value. */ - scic_controller_set_interrupt_coalescence(ihost, 0x10, 250); + sci_controller_set_interrupt_coalescence(ihost, 0x10, 250); } -static void scic_sds_controller_ready_state_exit(struct sci_base_state_machine *sm) +static void sci_controller_ready_state_exit(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* disable interrupt coalescence. */ - scic_controller_set_interrupt_coalescence(ihost, 0, 0); + sci_controller_set_interrupt_coalescence(ihost, 0, 0); } -static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost) +static enum sci_status sci_controller_stop_phys(struct isci_host *ihost) { u32 index; enum sci_status status; @@ -1514,7 +1492,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost) status = SCI_SUCCESS; for (index = 0; index < SCI_MAX_PHYS; index++) { - phy_status = scic_sds_phy_stop(&ihost->phys[index]); + phy_status = sci_phy_stop(&ihost->phys[index]); if (phy_status != SCI_SUCCESS && phy_status != SCI_FAILURE_INVALID_STATE) { @@ -1531,7 +1509,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost) return status; } -static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost) +static enum sci_status sci_controller_stop_ports(struct isci_host *ihost) { u32 index; enum sci_status port_status; @@ -1540,7 +1518,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost) for (index = 0; index < ihost->logical_port_entries; index++) { struct isci_port *iport = &ihost->ports[index]; - port_status = scic_sds_port_stop(iport); + port_status = sci_port_stop(iport); if ((port_status != SCI_SUCCESS) && (port_status != SCI_FAILURE_INVALID_STATE)) { @@ -1558,7 +1536,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost) return status; } -static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost) +static enum sci_status sci_controller_stop_devices(struct isci_host *ihost) { u32 index; enum sci_status status; @@ -1569,7 +1547,7 @@ static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost) for (index = 0; index < ihost->remote_node_entries; index++) { if (ihost->device_table[index] != NULL) { /* / @todo What timeout value do we want to provide to this request? */ - device_status = scic_remote_device_stop(ihost->device_table[index], 0); + device_status = sci_remote_device_stop(ihost->device_table[index], 0); if ((device_status != SCI_SUCCESS) && (device_status != SCI_FAILURE_INVALID_STATE)) { @@ -1586,33 +1564,27 @@ static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost) return status; } -static void scic_sds_controller_stopping_state_enter(struct sci_base_state_machine *sm) +static void sci_controller_stopping_state_enter(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* Stop all of the components for this controller */ - scic_sds_controller_stop_phys(ihost); - scic_sds_controller_stop_ports(ihost); - scic_sds_controller_stop_devices(ihost); + sci_controller_stop_phys(ihost); + sci_controller_stop_ports(ihost); + sci_controller_stop_devices(ihost); } -static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machine *sm) +static void sci_controller_stopping_state_exit(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); sci_del_timer(&ihost->timer); } - -/** - * scic_sds_controller_reset_hardware() - - * - * This method will reset the controller hardware. - */ -static void scic_sds_controller_reset_hardware(struct isci_host *ihost) +static void sci_controller_reset_hardware(struct isci_host *ihost) { /* Disable interrupts so we dont take any spurious interrupts */ - scic_controller_disable_interrupts(ihost); + sci_controller_disable_interrupts(ihost); /* Reset the SCU */ writel(0xFFFFFFFF, &ihost->smu_registers->soft_reset_control); @@ -1627,82 +1599,82 @@ static void scic_sds_controller_reset_hardware(struct isci_host *ihost) writel(0, &ihost->scu_registers->sdma.unsolicited_frame_get_pointer); } -static void scic_sds_controller_resetting_state_enter(struct sci_base_state_machine *sm) +static void sci_controller_resetting_state_enter(struct sci_base_state_machine *sm) { struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); - scic_sds_controller_reset_hardware(ihost); + sci_controller_reset_hardware(ihost); sci_change_state(&ihost->sm, SCIC_RESET); } -static const struct sci_base_state scic_sds_controller_state_table[] = { +static const struct sci_base_state sci_controller_state_table[] = { [SCIC_INITIAL] = { - .enter_state = scic_sds_controller_initial_state_enter, + .enter_state = sci_controller_initial_state_enter, }, [SCIC_RESET] = {}, [SCIC_INITIALIZING] = {}, [SCIC_INITIALIZED] = {}, [SCIC_STARTING] = { - .exit_state = scic_sds_controller_starting_state_exit, + .exit_state = sci_controller_starting_state_exit, }, [SCIC_READY] = { - .enter_state = scic_sds_controller_ready_state_enter, - .exit_state = scic_sds_controller_ready_state_exit, + .enter_state = sci_controller_ready_state_enter, + .exit_state = sci_controller_ready_state_exit, }, [SCIC_RESETTING] = { - .enter_state = scic_sds_controller_resetting_state_enter, + .enter_state = sci_controller_resetting_state_enter, }, [SCIC_STOPPING] = { - .enter_state = scic_sds_controller_stopping_state_enter, - .exit_state = scic_sds_controller_stopping_state_exit, + .enter_state = sci_controller_stopping_state_enter, + .exit_state = sci_controller_stopping_state_exit, }, [SCIC_STOPPED] = {}, [SCIC_FAILED] = {} }; -static void scic_sds_controller_set_default_config_parameters(struct isci_host *ihost) +static void sci_controller_set_default_config_parameters(struct isci_host *ihost) { /* these defaults are overridden by the platform / firmware */ u16 index; /* Default to APC mode. */ - ihost->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE; + ihost->oem_parameters.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE; /* Default to APC mode. */ - ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1; + ihost->oem_parameters.controller.max_concurrent_dev_spin_up = 1; /* Default to no SSC operation. */ - ihost->oem_parameters.sds1.controller.do_enable_ssc = false; + ihost->oem_parameters.controller.do_enable_ssc = false; /* Initialize all of the port parameter information to narrow ports. */ for (index = 0; index < SCI_MAX_PORTS; index++) { - ihost->oem_parameters.sds1.ports[index].phy_mask = 0; + ihost->oem_parameters.ports[index].phy_mask = 0; } /* Initialize all of the phy parameter information. */ for (index = 0; index < SCI_MAX_PHYS; index++) { /* Default to 6G (i.e. Gen 3) for now. */ - ihost->user_parameters.sds1.phys[index].max_speed_generation = 3; + ihost->user_parameters.phys[index].max_speed_generation = 3; /* the frequencies cannot be 0 */ - ihost->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f; - ihost->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff; - ihost->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33; + ihost->user_parameters.phys[index].align_insertion_frequency = 0x7f; + ihost->user_parameters.phys[index].in_connection_align_insertion_frequency = 0xff; + ihost->user_parameters.phys[index].notify_enable_spin_up_insertion_frequency = 0x33; /* * Previous Vitesse based expanders had a arbitration issue that * is worked around by having the upper 32-bits of SAS address * with a value greater then the Vitesse company identifier. * Hence, usage of 0x5FCFFFFF. */ - ihost->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id; - ihost->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF; + ihost->oem_parameters.phys[index].sas_address.low = 0x1 + ihost->id; + ihost->oem_parameters.phys[index].sas_address.high = 0x5FCFFFFF; } - ihost->user_parameters.sds1.stp_inactivity_timeout = 5; - ihost->user_parameters.sds1.ssp_inactivity_timeout = 5; - ihost->user_parameters.sds1.stp_max_occupancy_timeout = 5; - ihost->user_parameters.sds1.ssp_max_occupancy_timeout = 20; - ihost->user_parameters.sds1.no_outbound_task_timeout = 20; + ihost->user_parameters.stp_inactivity_timeout = 5; + ihost->user_parameters.ssp_inactivity_timeout = 5; + ihost->user_parameters.stp_max_occupancy_timeout = 5; + ihost->user_parameters.ssp_max_occupancy_timeout = 20; + ihost->user_parameters.no_outbound_task_timeout = 20; } static void controller_timeout(unsigned long data) @@ -1718,7 +1690,7 @@ static void controller_timeout(unsigned long data) goto done; if (sm->current_state_id == SCIC_STARTING) - scic_sds_controller_transition_to_ready(ihost, SCI_FAILURE_TIMEOUT); + sci_controller_transition_to_ready(ihost, SCI_FAILURE_TIMEOUT); else if (sm->current_state_id == SCIC_STOPPING) { sci_change_state(sm, SCIC_FAILED); isci_host_stop_complete(ihost, SCI_FAILURE_TIMEOUT); @@ -1732,45 +1704,29 @@ done: spin_unlock_irqrestore(&ihost->scic_lock, flags); } -/** - * scic_controller_construct() - This method will attempt to construct a - * controller object utilizing the supplied parameter information. - * @c: This parameter specifies the controller to be constructed. - * @scu_base: mapped base address of the scu registers - * @smu_base: mapped base address of the smu registers - * - * Indicate if the controller was successfully constructed or if it failed in - * some way. SCI_SUCCESS This value is returned if the controller was - * successfully constructed. SCI_WARNING_TIMER_CONFLICT This value is returned - * if the interrupt coalescence timer may cause SAS compliance issues for SMP - * Target mode response processing. SCI_FAILURE_UNSUPPORTED_CONTROLLER_TYPE - * This value is returned if the controller does not support the supplied type. - * SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the - * controller does not support the supplied initialization data version. - */ -static enum sci_status scic_controller_construct(struct isci_host *ihost, - void __iomem *scu_base, - void __iomem *smu_base) +static enum sci_status sci_controller_construct(struct isci_host *ihost, + void __iomem *scu_base, + void __iomem *smu_base) { u8 i; - sci_init_sm(&ihost->sm, scic_sds_controller_state_table, SCIC_INITIAL); + sci_init_sm(&ihost->sm, sci_controller_state_table, SCIC_INITIAL); ihost->scu_registers = scu_base; ihost->smu_registers = smu_base; - scic_sds_port_configuration_agent_construct(&ihost->port_agent); + sci_port_configuration_agent_construct(&ihost->port_agent); /* Construct the ports for this controller */ for (i = 0; i < SCI_MAX_PORTS; i++) - scic_sds_port_construct(&ihost->ports[i], i, ihost); - scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, ihost); + sci_port_construct(&ihost->ports[i], i, ihost); + sci_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, ihost); /* Construct the phys for this controller */ for (i = 0; i < SCI_MAX_PHYS; i++) { /* Add all the PHYs to the dummy port */ - scic_sds_phy_construct(&ihost->phys[i], - &ihost->ports[SCI_MAX_PORTS], i); + sci_phy_construct(&ihost->phys[i], + &ihost->ports[SCI_MAX_PORTS], i); } ihost->invalid_phy_mask = 0; @@ -1778,12 +1734,12 @@ static enum sci_status scic_controller_construct(struct isci_host *ihost, sci_init_timer(&ihost->timer, controller_timeout); /* Initialize the User and OEM parameters to default values. */ - scic_sds_controller_set_default_config_parameters(ihost); + sci_controller_set_default_config_parameters(ihost); - return scic_controller_reset(ihost); + return sci_controller_reset(ihost); } -int scic_oem_parameters_validate(struct scic_sds_oem_params *oem) +int sci_oem_parameters_validate(struct sci_oem_params *oem) { int i; @@ -1817,8 +1773,7 @@ int scic_oem_parameters_validate(struct scic_sds_oem_params *oem) return 0; } -static enum sci_status scic_oem_parameters_set(struct isci_host *ihost, - union scic_oem_parameters *scic_parms) +static enum sci_status sci_oem_parameters_set(struct isci_host *ihost) { u32 state = ihost->sm.current_state_id; @@ -1826,9 +1781,8 @@ static enum sci_status scic_oem_parameters_set(struct isci_host *ihost, state == SCIC_INITIALIZING || state == SCIC_INITIALIZED) { - if (scic_oem_parameters_validate(&scic_parms->sds1)) + if (sci_oem_parameters_validate(&ihost->oem_parameters)) return SCI_FAILURE_INVALID_PARAMETER_VALUE; - ihost->oem_parameters.sds1 = scic_parms->sds1; return SCI_SUCCESS; } @@ -1836,13 +1790,6 @@ static enum sci_status scic_oem_parameters_set(struct isci_host *ihost, return SCI_FAILURE_INVALID_STATE; } -void scic_oem_parameters_get( - struct isci_host *ihost, - union scic_oem_parameters *scic_parms) -{ - memcpy(scic_parms, (&ihost->oem_parameters), sizeof(*scic_parms)); -} - static void power_control_timeout(unsigned long data) { struct sci_timer *tmr = (struct sci_timer *)data; @@ -1873,13 +1820,13 @@ static void power_control_timeout(unsigned long data) continue; if (ihost->power_control.phys_granted_power >= - ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) + ihost->oem_parameters.controller.max_concurrent_dev_spin_up) break; ihost->power_control.requesters[i] = NULL; ihost->power_control.phys_waiting--; ihost->power_control.phys_granted_power++; - scic_sds_phy_consume_power_handler(iphy); + sci_phy_consume_power_handler(iphy); } /* @@ -1893,22 +1840,15 @@ done: spin_unlock_irqrestore(&ihost->scic_lock, flags); } -/** - * This method inserts the phy in the stagger spinup control queue. - * @scic: - * - * - */ -void scic_sds_controller_power_control_queue_insert( - struct isci_host *ihost, - struct isci_phy *iphy) +void sci_controller_power_control_queue_insert(struct isci_host *ihost, + struct isci_phy *iphy) { BUG_ON(iphy == NULL); if (ihost->power_control.phys_granted_power < - ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) { + ihost->oem_parameters.controller.max_concurrent_dev_spin_up) { ihost->power_control.phys_granted_power++; - scic_sds_phy_consume_power_handler(iphy); + sci_phy_consume_power_handler(iphy); /* * stop and start the power_control timer. When the timer fires, the @@ -1928,21 +1868,13 @@ void scic_sds_controller_power_control_queue_insert( } } -/** - * This method removes the phy from the stagger spinup control queue. - * @scic: - * - * - */ -void scic_sds_controller_power_control_queue_remove( - struct isci_host *ihost, - struct isci_phy *iphy) +void sci_controller_power_control_queue_remove(struct isci_host *ihost, + struct isci_phy *iphy) { BUG_ON(iphy == NULL); - if (ihost->power_control.requesters[iphy->phy_index] != NULL) { + if (ihost->power_control.requesters[iphy->phy_index]) ihost->power_control.phys_waiting--; - } ihost->power_control.requesters[iphy->phy_index] = NULL; } @@ -1952,9 +1884,9 @@ void scic_sds_controller_power_control_queue_remove( /* Initialize the AFE for this phy index. We need to read the AFE setup from * the OEM parameters */ -static void scic_sds_controller_afe_initialization(struct isci_host *ihost) +static void sci_controller_afe_initialization(struct isci_host *ihost) { - const struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1; + const struct sci_oem_params *oem = &ihost->oem_parameters; u32 afe_status; u32 phy_id; @@ -2111,7 +2043,7 @@ static void scic_sds_controller_afe_initialization(struct isci_host *ihost) udelay(AFE_REGISTER_WRITE_DELAY); } -static void scic_sds_controller_initialize_power_control(struct isci_host *ihost) +static void sci_controller_initialize_power_control(struct isci_host *ihost) { sci_init_timer(&ihost->power_control.timer, power_control_timeout); @@ -2122,7 +2054,7 @@ static void scic_sds_controller_initialize_power_control(struct isci_host *ihost ihost->power_control.phys_granted_power = 0; } -static enum sci_status scic_controller_initialize(struct isci_host *ihost) +static enum sci_status sci_controller_initialize(struct isci_host *ihost) { struct sci_base_state_machine *sm = &ihost->sm; enum sci_status result = SCI_FAILURE; @@ -2142,14 +2074,14 @@ static enum sci_status scic_controller_initialize(struct isci_host *ihost) ihost->next_phy_to_start = 0; ihost->phy_startup_timer_pending = false; - scic_sds_controller_initialize_power_control(ihost); + sci_controller_initialize_power_control(ihost); /* * There is nothing to do here for B0 since we do not have to * program the AFE registers. * / @todo The AFE settings are supposed to be correct for the B0 but * / presently they seem to be wrong. */ - scic_sds_controller_afe_initialization(ihost); + sci_controller_afe_initialization(ihost); /* Take the hardware out of reset */ @@ -2206,24 +2138,22 @@ static enum sci_status scic_controller_initialize(struct isci_host *ihost) * are accessed during the port initialization. */ for (i = 0; i < SCI_MAX_PHYS; i++) { - result = scic_sds_phy_initialize(&ihost->phys[i], - &ihost->scu_registers->peg0.pe[i].tl, - &ihost->scu_registers->peg0.pe[i].ll); + result = sci_phy_initialize(&ihost->phys[i], + &ihost->scu_registers->peg0.pe[i].tl, + &ihost->scu_registers->peg0.pe[i].ll); if (result != SCI_SUCCESS) goto out; } for (i = 0; i < ihost->logical_port_entries; i++) { - result = scic_sds_port_initialize(&ihost->ports[i], - &ihost->scu_registers->peg0.ptsg.port[i], - &ihost->scu_registers->peg0.ptsg.protocol_engine, - &ihost->scu_registers->peg0.viit[i]); + struct isci_port *iport = &ihost->ports[i]; - if (result != SCI_SUCCESS) - goto out; + iport->port_task_scheduler_registers = &ihost->scu_registers->peg0.ptsg.port[i]; + iport->port_pe_configuration_register = &ihost->scu_registers->peg0.ptsg.protocol_engine[0]; + iport->viit_registers = &ihost->scu_registers->peg0.viit[i]; } - result = scic_sds_port_configuration_agent_initialize(ihost, &ihost->port_agent); + result = sci_port_configuration_agent_initialize(ihost, &ihost->port_agent); out: /* Advance the controller state machine */ @@ -2236,9 +2166,8 @@ static enum sci_status scic_controller_initialize(struct isci_host *ihost) return result; } -static enum sci_status scic_user_parameters_set( - struct isci_host *ihost, - union scic_user_parameters *scic_parms) +static enum sci_status sci_user_parameters_set(struct isci_host *ihost, + struct sci_user_parameters *sci_parms) { u32 state = ihost->sm.current_state_id; @@ -2254,7 +2183,7 @@ static enum sci_status scic_user_parameters_set( for (index = 0; index < SCI_MAX_PHYS; index++) { struct sci_phy_user_params *user_phy; - user_phy = &scic_parms->sds1.phys[index]; + user_phy = &sci_parms->phys[index]; if (!((user_phy->max_speed_generation <= SCIC_SDS_PARM_MAX_SPEED) && @@ -2275,14 +2204,14 @@ static enum sci_status scic_user_parameters_set( return SCI_FAILURE_INVALID_PARAMETER_VALUE; } - if ((scic_parms->sds1.stp_inactivity_timeout == 0) || - (scic_parms->sds1.ssp_inactivity_timeout == 0) || - (scic_parms->sds1.stp_max_occupancy_timeout == 0) || - (scic_parms->sds1.ssp_max_occupancy_timeout == 0) || - (scic_parms->sds1.no_outbound_task_timeout == 0)) + if ((sci_parms->stp_inactivity_timeout == 0) || + (sci_parms->ssp_inactivity_timeout == 0) || + (sci_parms->stp_max_occupancy_timeout == 0) || + (sci_parms->ssp_max_occupancy_timeout == 0) || + (sci_parms->no_outbound_task_timeout == 0)) return SCI_FAILURE_INVALID_PARAMETER_VALUE; - memcpy(&ihost->user_parameters, scic_parms, sizeof(*scic_parms)); + memcpy(&ihost->user_parameters, sci_parms, sizeof(*sci_parms)); return SCI_SUCCESS; } @@ -2290,7 +2219,7 @@ static enum sci_status scic_user_parameters_set( return SCI_FAILURE_INVALID_STATE; } -static int scic_controller_mem_init(struct isci_host *ihost) +static int sci_controller_mem_init(struct isci_host *ihost) { struct device *dev = &ihost->pdev->dev; dma_addr_t dma; @@ -2307,7 +2236,7 @@ static int scic_controller_mem_init(struct isci_host *ihost) size = ihost->remote_node_entries * sizeof(union scu_remote_node_context); ihost->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma, - GFP_KERNEL); + GFP_KERNEL); if (!ihost->remote_node_context_table) return -ENOMEM; @@ -2323,7 +2252,7 @@ static int scic_controller_mem_init(struct isci_host *ihost) writel(lower_32_bits(dma), &ihost->smu_registers->host_task_table_lower); writel(upper_32_bits(dma), &ihost->smu_registers->host_task_table_upper); - err = scic_sds_unsolicited_frame_control_construct(ihost); + err = sci_unsolicited_frame_control_construct(ihost); if (err) return err; @@ -2348,8 +2277,7 @@ int isci_host_init(struct isci_host *ihost) { int err = 0, i; enum sci_status status; - union scic_oem_parameters oem; - union scic_user_parameters scic_user_params; + struct sci_user_parameters sci_user_params; struct isci_pci_info *pci_info = to_pci_info(ihost->pdev); spin_lock_init(&ihost->state_lock); @@ -2358,12 +2286,12 @@ int isci_host_init(struct isci_host *ihost) isci_host_change_state(ihost, isci_starting); - status = scic_controller_construct(ihost, scu_base(ihost), - smu_base(ihost)); + status = sci_controller_construct(ihost, scu_base(ihost), + smu_base(ihost)); if (status != SCI_SUCCESS) { dev_err(&ihost->pdev->dev, - "%s: scic_controller_construct failed - status = %x\n", + "%s: sci_controller_construct failed - status = %x\n", __func__, status); return -ENODEV; @@ -2376,21 +2304,18 @@ int isci_host_init(struct isci_host *ihost) * grab initial values stored in the controller object for OEM and USER * parameters */ - isci_user_parameters_get(ihost, &scic_user_params); - status = scic_user_parameters_set(ihost, - &scic_user_params); + isci_user_parameters_get(&sci_user_params); + status = sci_user_parameters_set(ihost, &sci_user_params); if (status != SCI_SUCCESS) { dev_warn(&ihost->pdev->dev, - "%s: scic_user_parameters_set failed\n", + "%s: sci_user_parameters_set failed\n", __func__); return -ENODEV; } - scic_oem_parameters_get(ihost, &oem); - /* grab any OEM parameters specified in orom */ if (pci_info->orom) { - status = isci_parse_oem_parameters(&oem, + status = isci_parse_oem_parameters(&ihost->oem_parameters, pci_info->orom, ihost->id); if (status != SCI_SUCCESS) { @@ -2400,10 +2325,10 @@ int isci_host_init(struct isci_host *ihost) } } - status = scic_oem_parameters_set(ihost, &oem); + status = sci_oem_parameters_set(ihost); if (status != SCI_SUCCESS) { dev_warn(&ihost->pdev->dev, - "%s: scic_oem_parameters_set failed\n", + "%s: sci_oem_parameters_set failed\n", __func__); return -ENODEV; } @@ -2415,17 +2340,17 @@ int isci_host_init(struct isci_host *ihost) INIT_LIST_HEAD(&ihost->requests_to_errorback); spin_lock_irq(&ihost->scic_lock); - status = scic_controller_initialize(ihost); + status = sci_controller_initialize(ihost); spin_unlock_irq(&ihost->scic_lock); if (status != SCI_SUCCESS) { dev_warn(&ihost->pdev->dev, - "%s: scic_controller_initialize failed -" + "%s: sci_controller_initialize failed -" " status = 0x%x\n", __func__, status); return -ENODEV; } - err = scic_controller_mem_init(ihost); + err = sci_controller_mem_init(ihost); if (err) return err; @@ -2463,20 +2388,20 @@ int isci_host_init(struct isci_host *ihost) return 0; } -void scic_sds_controller_link_up(struct isci_host *ihost, - struct isci_port *iport, struct isci_phy *iphy) +void sci_controller_link_up(struct isci_host *ihost, struct isci_port *iport, + struct isci_phy *iphy) { switch (ihost->sm.current_state_id) { case SCIC_STARTING: sci_del_timer(&ihost->phy_timer); ihost->phy_startup_timer_pending = false; ihost->port_agent.link_up_handler(ihost, &ihost->port_agent, - iport, iphy); - scic_sds_controller_start_next_phy(ihost); + iport, iphy); + sci_controller_start_next_phy(ihost); break; case SCIC_READY: ihost->port_agent.link_up_handler(ihost, &ihost->port_agent, - iport, iphy); + iport, iphy); break; default: dev_dbg(&ihost->pdev->dev, @@ -2486,8 +2411,8 @@ void scic_sds_controller_link_up(struct isci_host *ihost, } } -void scic_sds_controller_link_down(struct isci_host *ihost, - struct isci_port *iport, struct isci_phy *iphy) +void sci_controller_link_down(struct isci_host *ihost, struct isci_port *iport, + struct isci_phy *iphy) { switch (ihost->sm.current_state_id) { case SCIC_STARTING: @@ -2505,12 +2430,7 @@ void scic_sds_controller_link_down(struct isci_host *ihost, } } -/** - * This is a helper method to determine if any remote devices on this - * controller are still in the stopping state. - * - */ -static bool scic_sds_controller_has_remote_devices_stopping(struct isci_host *ihost) +static bool sci_controller_has_remote_devices_stopping(struct isci_host *ihost) { u32 index; @@ -2523,12 +2443,8 @@ static bool scic_sds_controller_has_remote_devices_stopping(struct isci_host *ih return false; } -/** - * This method is called by the remote device to inform the controller - * object that the remote device has stopped. - */ -void scic_sds_controller_remote_device_stopped(struct isci_host *ihost, - struct isci_remote_device *idev) +void sci_controller_remote_device_stopped(struct isci_host *ihost, + struct isci_remote_device *idev) { if (ihost->sm.current_state_id != SCIC_STOPPING) { dev_dbg(&ihost->pdev->dev, @@ -2539,32 +2455,19 @@ void scic_sds_controller_remote_device_stopped(struct isci_host *ihost, return; } - if (!scic_sds_controller_has_remote_devices_stopping(ihost)) { + if (!sci_controller_has_remote_devices_stopping(ihost)) sci_change_state(&ihost->sm, SCIC_STOPPED); - } } -/** - * This method will write to the SCU PCP register the request value. The method - * is used to suspend/resume ports, devices, and phys. - * @scic: - * - * - */ -void scic_sds_controller_post_request( - struct isci_host *ihost, - u32 request) +void sci_controller_post_request(struct isci_host *ihost, u32 request) { - dev_dbg(&ihost->pdev->dev, - "%s: SCIC Controller 0x%p post request 0x%08x\n", - __func__, - ihost, - request); + dev_dbg(&ihost->pdev->dev, "%s[%d]: %#x\n", + __func__, ihost->id, request); writel(request, &ihost->smu_registers->post_context_port); } -struct isci_request *scic_request_by_tag(struct isci_host *ihost, u16 io_tag) +struct isci_request *sci_request_by_tag(struct isci_host *ihost, u16 io_tag) { u16 task_index; u16 task_sequence; @@ -2599,15 +2502,14 @@ struct isci_request *scic_request_by_tag(struct isci_host *ihost, u16 io_tag) * enum sci_status SCI_FAILURE_OUT_OF_RESOURCES if there are no available remote * node index available. */ -enum sci_status scic_sds_controller_allocate_remote_node_context( - struct isci_host *ihost, - struct isci_remote_device *idev, - u16 *node_id) +enum sci_status sci_controller_allocate_remote_node_context(struct isci_host *ihost, + struct isci_remote_device *idev, + u16 *node_id) { u16 node_index; - u32 remote_node_count = scic_sds_remote_device_node_count(idev); + u32 remote_node_count = sci_remote_device_node_count(idev); - node_index = scic_sds_remote_node_table_allocate_remote_node( + node_index = sci_remote_node_table_allocate_remote_node( &ihost->available_remote_nodes, remote_node_count ); @@ -2622,68 +2524,26 @@ enum sci_status scic_sds_controller_allocate_remote_node_context( return SCI_FAILURE_INSUFFICIENT_RESOURCES; } -/** - * This method frees the remote node index back to the available pool. Once - * this is done the remote node context buffer is no longer valid and can - * not be used. - * @scic: - * @sci_dev: - * @node_id: - * - */ -void scic_sds_controller_free_remote_node_context( - struct isci_host *ihost, - struct isci_remote_device *idev, - u16 node_id) +void sci_controller_free_remote_node_context(struct isci_host *ihost, + struct isci_remote_device *idev, + u16 node_id) { - u32 remote_node_count = scic_sds_remote_device_node_count(idev); + u32 remote_node_count = sci_remote_device_node_count(idev); if (ihost->device_table[node_id] == idev) { ihost->device_table[node_id] = NULL; - scic_sds_remote_node_table_release_remote_node_index( + sci_remote_node_table_release_remote_node_index( &ihost->available_remote_nodes, remote_node_count, node_id ); } } -/** - * This method returns the union scu_remote_node_context for the specified remote - * node id. - * @scic: - * @node_id: - * - * union scu_remote_node_context* - */ -union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer( - struct isci_host *ihost, - u16 node_id - ) { - if ( - (node_id < ihost->remote_node_entries) - && (ihost->device_table[node_id] != NULL) - ) { - return &ihost->remote_node_context_table[node_id]; - } - - return NULL; -} - -/** - * - * @resposne_buffer: This is the buffer into which the D2H register FIS will be - * constructed. - * @frame_header: This is the frame header returned by the hardware. - * @frame_buffer: This is the frame buffer returned by the hardware. - * - * This method will combind the frame header and frame buffer to create a SATA - * D2H register FIS none - */ -void scic_sds_controller_copy_sata_response( - void *response_buffer, - void *frame_header, - void *frame_buffer) +void sci_controller_copy_sata_response(void *response_buffer, + void *frame_header, + void *frame_buffer) { + /* XXX type safety? */ memcpy(response_buffer, frame_header, sizeof(u32)); memcpy(response_buffer + sizeof(u32), @@ -2691,21 +2551,9 @@ void scic_sds_controller_copy_sata_response( sizeof(struct dev_to_host_fis) - sizeof(u32)); } -/** - * This method releases the frame once this is done the frame is available for - * re-use by the hardware. The data contained in the frame header and frame - * buffer is no longer valid. The UF queue get pointer is only updated if UF - * control indicates this is appropriate. - * @scic: - * @frame_index: - * - */ -void scic_sds_controller_release_frame( - struct isci_host *ihost, - u32 frame_index) +void sci_controller_release_frame(struct isci_host *ihost, u32 frame_index) { - if (scic_sds_unsolicited_frame_control_release_frame( - &ihost->uf_control, frame_index) == true) + if (sci_unsolicited_frame_control_release_frame(&ihost->uf_control, frame_index)) writel(ihost->uf_control.get, &ihost->scu_registers->sdma.unsolicited_frame_get_pointer); } @@ -2763,21 +2611,9 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) return SCI_FAILURE_INVALID_IO_TAG; } -/** - * scic_controller_start_io() - This method is called by the SCI user to - * send/start an IO request. If the method invocation is successful, then - * the IO request has been queued to the hardware for processing. - * @controller: the handle to the controller object for which to start an IO - * request. - * @remote_device: the handle to the remote device object for which to start an - * IO request. - * @io_request: the handle to the io request object to start. - * @io_tag: This parameter specifies a previously allocated IO tag that the - * user desires to be utilized for this request. - */ -enum sci_status scic_controller_start_io(struct isci_host *ihost, - struct isci_remote_device *idev, - struct isci_request *ireq) +enum sci_status sci_controller_start_io(struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq) { enum sci_status status; @@ -2786,36 +2622,23 @@ enum sci_status scic_controller_start_io(struct isci_host *ihost, return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_io(ihost, idev, ireq); + status = sci_remote_device_start_io(ihost, idev, ireq); if (status != SCI_SUCCESS) return status; set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq)); + sci_controller_post_request(ihost, sci_request_get_post_context(ireq)); return SCI_SUCCESS; } -/** - * scic_controller_terminate_request() - This method is called by the SCI Core - * user to terminate an ongoing (i.e. started) core IO request. This does - * not abort the IO request at the target, but rather removes the IO request - * from the host controller. - * @controller: the handle to the controller object for which to terminate a - * request. - * @remote_device: the handle to the remote device object for which to - * terminate a request. - * @request: the handle to the io or task management request object to - * terminate. - * - * Indicate if the controller successfully began the terminate process for the - * IO request. SCI_SUCCESS if the terminate process was successfully started - * for the request. Determine the failure situations and return values. - */ -enum sci_status scic_controller_terminate_request( - struct isci_host *ihost, - struct isci_remote_device *idev, - struct isci_request *ireq) +enum sci_status sci_controller_terminate_request(struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq) { + /* terminate an ongoing (i.e. started) core IO request. This does not + * abort the IO request at the target, but rather removes the IO + * request from the host controller. + */ enum sci_status status; if (ihost->sm.current_state_id != SCIC_READY) { @@ -2824,7 +2647,7 @@ enum sci_status scic_controller_terminate_request( return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_io_request_terminate(ireq); + status = sci_io_request_terminate(ireq); if (status != SCI_SUCCESS) return status; @@ -2832,27 +2655,25 @@ enum sci_status scic_controller_terminate_request( * Utilize the original post context command and or in the POST_TC_ABORT * request sub-type. */ - scic_sds_controller_post_request(ihost, - scic_sds_request_get_post_context(ireq) | - SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT); + sci_controller_post_request(ihost, + ireq->post_context | SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT); return SCI_SUCCESS; } /** - * scic_controller_complete_io() - This method will perform core specific + * sci_controller_complete_io() - This method will perform core specific * completion operations for an IO request. After this method is invoked, * the user should consider the IO request as invalid until it is properly * reused (i.e. re-constructed). - * @controller: The handle to the controller object for which to complete the + * @ihost: The handle to the controller object for which to complete the * IO request. - * @remote_device: The handle to the remote device object for which to complete + * @idev: The handle to the remote device object for which to complete * the IO request. - * @io_request: the handle to the io request object to complete. + * @ireq: the handle to the io request object to complete. */ -enum sci_status scic_controller_complete_io( - struct isci_host *ihost, - struct isci_remote_device *idev, - struct isci_request *ireq) +enum sci_status sci_controller_complete_io(struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq) { enum sci_status status; u16 index; @@ -2862,7 +2683,7 @@ enum sci_status scic_controller_complete_io( /* XXX: Implement this function */ return SCI_FAILURE; case SCIC_READY: - status = scic_sds_remote_device_complete_io(ihost, idev, ireq); + status = sci_remote_device_complete_io(ihost, idev, ireq); if (status != SCI_SUCCESS) return status; @@ -2876,7 +2697,7 @@ enum sci_status scic_controller_complete_io( } -enum sci_status scic_controller_continue_io(struct isci_request *ireq) +enum sci_status sci_controller_continue_io(struct isci_request *ireq) { struct isci_host *ihost = ireq->owning_controller; @@ -2886,12 +2707,12 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq) } set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq)); + sci_controller_post_request(ihost, sci_request_get_post_context(ireq)); return SCI_SUCCESS; } /** - * scic_controller_start_task() - This method is called by the SCIC user to + * sci_controller_start_task() - This method is called by the SCIC user to * send/start a framework task management request. * @controller: the handle to the controller object for which to start the task * management request. @@ -2899,10 +2720,9 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq) * the task management request. * @task_request: the handle to the task request object to start. */ -enum sci_task_status scic_controller_start_task( - struct isci_host *ihost, - struct isci_remote_device *idev, - struct isci_request *ireq) +enum sci_task_status sci_controller_start_task(struct isci_host *ihost, + struct isci_remote_device *idev, + struct isci_request *ireq) { enum sci_status status; @@ -2914,7 +2734,7 @@ enum sci_task_status scic_controller_start_task( return SCI_TASK_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_task(ihost, idev, ireq); + status = sci_remote_device_start_task(ihost, idev, ireq); switch (status) { case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); @@ -2928,8 +2748,8 @@ enum sci_task_status scic_controller_start_task( case SCI_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(ihost, - scic_sds_request_get_post_context(ireq)); + sci_controller_post_request(ihost, + sci_request_get_post_context(ireq)); break; default: break; |