diff options
Diffstat (limited to 'drivers/scsi/isci/host.c')
| -rw-r--r-- | drivers/scsi/isci/host.c | 1000 |
1 files changed, 489 insertions, 511 deletions
diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index 45d7f71c609a..bb298f8f609a 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -181,35 +181,35 @@ void sci_change_state(struct sci_base_state_machine *sm, u32 next_state) } static bool scic_sds_controller_completion_queue_has_entries( - struct scic_sds_controller *scic) + struct isci_host *ihost) { - u32 get_value = scic->completion_queue_get; + u32 get_value = ihost->completion_queue_get; u32 get_index = get_value & SMU_COMPLETION_QUEUE_GET_POINTER_MASK; if (NORMALIZE_GET_POINTER_CYCLE_BIT(get_value) == - COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index])) + COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index])) return true; return false; } -static bool scic_sds_controller_isr(struct scic_sds_controller *scic) +static bool scic_sds_controller_isr(struct isci_host *ihost) { - if (scic_sds_controller_completion_queue_has_entries(scic)) { + if (scic_sds_controller_completion_queue_has_entries(ihost)) { return true; } else { /* * we have a spurious interrupt it could be that we have already * emptied the completion queue from a previous interrupt */ - writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status); + writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status); /* * There is a race in the hardware that could cause us not to be notified * of an interrupt completion if we do not take this step. We will mask * then unmask the interrupts so if there is another interrupt pending * the clearing of the interrupt source we get the next interrupt message. */ - writel(0xFF000000, &scic->smu_registers->interrupt_mask); - writel(0, &scic->smu_registers->interrupt_mask); + writel(0xFF000000, &ihost->smu_registers->interrupt_mask); + writel(0, &ihost->smu_registers->interrupt_mask); } return false; @@ -219,18 +219,18 @@ irqreturn_t isci_msix_isr(int vec, void *data) { struct isci_host *ihost = data; - if (scic_sds_controller_isr(&ihost->sci)) + if (scic_sds_controller_isr(ihost)) tasklet_schedule(&ihost->completion_tasklet); return IRQ_HANDLED; } -static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic) +static bool scic_sds_controller_error_isr(struct isci_host *ihost) { u32 interrupt_status; interrupt_status = - readl(&scic->smu_registers->interrupt_status); + readl(&ihost->smu_registers->interrupt_status); interrupt_status &= (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND); if (interrupt_status != 0) { @@ -246,28 +246,27 @@ static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic) * then unmask the error interrupts so if there was another interrupt * pending we will be notified. * Could we write the value of (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND)? */ - writel(0xff, &scic->smu_registers->interrupt_mask); - writel(0, &scic->smu_registers->interrupt_mask); + writel(0xff, &ihost->smu_registers->interrupt_mask); + writel(0, &ihost->smu_registers->interrupt_mask); return false; } -static void scic_sds_controller_task_completion(struct scic_sds_controller *scic, +static void scic_sds_controller_task_completion(struct isci_host *ihost, u32 completion_entry) { u32 index = SCU_GET_COMPLETION_INDEX(completion_entry); - struct isci_host *ihost = scic_to_ihost(scic); 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) == scic->io_request_sequence[index]) + 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); } -static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic, +static void scic_sds_controller_sdma_completion(struct isci_host *ihost, u32 completion_entry) { u32 index; @@ -279,8 +278,8 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic switch (scu_get_command_request_type(completion_entry)) { case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC: case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_TC: - ireq = scic_to_ihost(scic)->reqs[index]; - dev_warn(scic_to_dev(scic), "%s: %x for io request %p\n", + ireq = ihost->reqs[index]; + dev_warn(&ihost->pdev->dev, "%s: %x for io request %p\n", __func__, completion_entry, ireq); /* @todo For a post TC operation we need to fail the IO * request @@ -289,27 +288,26 @@ 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: - idev = scic->device_table[index]; - dev_warn(scic_to_dev(scic), "%s: %x for device %p\n", + idev = ihost->device_table[index]; + dev_warn(&ihost->pdev->dev, "%s: %x for device %p\n", __func__, completion_entry, idev); /* @todo For a port RNC operation we need to fail the * device */ break; default: - dev_warn(scic_to_dev(scic), "%s: unknown completion type %x\n", + dev_warn(&ihost->pdev->dev, "%s: unknown completion type %x\n", __func__, completion_entry); break; } } -static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *scic, +static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost, u32 completion_entry) { u32 index; u32 frame_index; - struct isci_host *ihost = scic_to_ihost(scic); struct scu_unsolicited_frame_header *frame_header; struct isci_phy *iphy; struct isci_remote_device *idev; @@ -318,15 +316,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc frame_index = SCU_GET_FRAME_INDEX(completion_entry); - frame_header = scic->uf_control.buffers.array[frame_index].header; - scic->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE; + 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)) { /* * / @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(scic, frame_index); + scic_sds_controller_release_frame(ihost, frame_index); return; } @@ -347,15 +345,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc iphy = &ihost->phys[index]; result = scic_sds_phy_frame_handler(iphy, frame_index); } else { - if (index < scic->remote_node_entries) - idev = scic->device_table[index]; + if (index < ihost->remote_node_entries) + idev = ihost->device_table[index]; else idev = NULL; if (idev != NULL) result = scic_sds_remote_device_frame_handler(idev, frame_index); else - scic_sds_controller_release_frame(scic, frame_index); + scic_sds_controller_release_frame(ihost, frame_index); } } @@ -366,10 +364,9 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc } } -static void scic_sds_controller_event_completion(struct scic_sds_controller *scic, +static void scic_sds_controller_event_completion(struct isci_host *ihost, u32 completion_entry) { - struct isci_host *ihost = scic_to_ihost(scic); struct isci_remote_device *idev; struct isci_request *ireq; struct isci_phy *iphy; @@ -380,11 +377,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci switch (scu_get_event_type(completion_entry)) { case SCU_EVENT_TYPE_SMU_COMMAND_ERROR: /* / @todo The driver did something wrong and we need to fix the condtion. */ - dev_err(scic_to_dev(scic), + dev_err(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received SMU command error " "0x%x\n", __func__, - scic, + ihost, completion_entry); break; @@ -394,11 +391,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci /* * / @todo This is a hardware failure and its likely that we want to * / reset the controller. */ - dev_err(scic_to_dev(scic), + dev_err(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received fatal controller " "event 0x%x\n", __func__, - scic, + ihost, completion_entry); break; @@ -415,27 +412,27 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci if (ireq != NULL) scic_sds_io_request_event_handler(ireq, completion_entry); else - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received " "event 0x%x for io request object " "that doesnt exist.\n", __func__, - scic, + ihost, completion_entry); break; case SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT: - idev = scic->device_table[index]; + idev = ihost->device_table[index]; if (idev != NULL) scic_sds_remote_device_event_handler(idev, completion_entry); else - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received " "event 0x%x for remote device object " "that doesnt exist.\n", __func__, - scic, + ihost, completion_entry); break; @@ -459,25 +456,25 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci case SCU_EVENT_TYPE_RNC_SUSPEND_TX: case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX: case SCU_EVENT_TYPE_RNC_OPS_MISC: - if (index < scic->remote_node_entries) { - idev = scic->device_table[index]; + if (index < ihost->remote_node_entries) { + idev = ihost->device_table[index]; if (idev != NULL) scic_sds_remote_device_event_handler(idev, completion_entry); } else - dev_err(scic_to_dev(scic), + dev_err(&ihost->pdev->dev, "%s: SCIC Controller 0x%p received event 0x%x " "for remote device object 0x%0x that doesnt " "exist.\n", __func__, - scic, + ihost, completion_entry, index); break; default: - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: SCIC Controller received unknown event code %x\n", __func__, completion_entry); @@ -485,7 +482,7 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci } } -static void scic_sds_controller_process_completions(struct scic_sds_controller *scic) +static void scic_sds_controller_process_completions(struct isci_host *ihost) { u32 completion_count = 0; u32 completion_entry; @@ -494,47 +491,47 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller * u32 event_get; u32 event_cycle; - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: completion queue begining get:0x%08x\n", __func__, - scic->completion_queue_get); + ihost->completion_queue_get); /* Get the component parts of the completion queue */ - get_index = NORMALIZE_GET_POINTER(scic->completion_queue_get); - get_cycle = SMU_CQGR_CYCLE_BIT & scic->completion_queue_get; + get_index = NORMALIZE_GET_POINTER(ihost->completion_queue_get); + get_cycle = SMU_CQGR_CYCLE_BIT & ihost->completion_queue_get; - event_get = NORMALIZE_EVENT_POINTER(scic->completion_queue_get); - event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & scic->completion_queue_get; + event_get = NORMALIZE_EVENT_POINTER(ihost->completion_queue_get); + event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & ihost->completion_queue_get; while ( NORMALIZE_GET_POINTER_CYCLE_BIT(get_cycle) - == COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index]) + == COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index]) ) { completion_count++; - completion_entry = scic->completion_queue[get_index]; + completion_entry = 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) << (SMU_COMPLETION_QUEUE_GET_CYCLE_BIT_SHIFT - SCU_MAX_COMPLETION_QUEUE_SHIFT); get_index = (get_index+1) & (SCU_MAX_COMPLETION_QUEUE_ENTRIES-1); - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: completion queue entry:0x%08x\n", __func__, completion_entry); switch (SCU_GET_COMPLETION_TYPE(completion_entry)) { case SCU_COMPLETION_TYPE_TASK: - scic_sds_controller_task_completion(scic, completion_entry); + scic_sds_controller_task_completion(ihost, completion_entry); break; case SCU_COMPLETION_TYPE_SDMA: - scic_sds_controller_sdma_completion(scic, completion_entry); + scic_sds_controller_sdma_completion(ihost, completion_entry); break; case SCU_COMPLETION_TYPE_UFI: - scic_sds_controller_unsolicited_frame(scic, completion_entry); + scic_sds_controller_unsolicited_frame(ihost, completion_entry); break; case SCU_COMPLETION_TYPE_EVENT: @@ -543,11 +540,11 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller * (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(scic, completion_entry); + scic_sds_controller_event_completion(ihost, completion_entry); break; } default: - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: SCIC Controller received unknown " "completion type %x\n", __func__, @@ -558,7 +555,7 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller * /* Update the get register if we completed one or more entries */ if (completion_count > 0) { - scic->completion_queue_get = + ihost->completion_queue_get = SMU_CQGR_GEN_BIT(ENABLE) | SMU_CQGR_GEN_BIT(EVENT_ENABLE) | event_cycle | @@ -566,35 +563,35 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller * get_cycle | SMU_CQGR_GEN_VAL(POINTER, get_index); - writel(scic->completion_queue_get, - &scic->smu_registers->completion_queue_get); + writel(ihost->completion_queue_get, + &ihost->smu_registers->completion_queue_get); } - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: completion queue ending get:0x%08x\n", __func__, - scic->completion_queue_get); + ihost->completion_queue_get); } -static void scic_sds_controller_error_handler(struct scic_sds_controller *scic) +static void scic_sds_controller_error_handler(struct isci_host *ihost) { u32 interrupt_status; interrupt_status = - readl(&scic->smu_registers->interrupt_status); + readl(&ihost->smu_registers->interrupt_status); if ((interrupt_status & SMU_ISR_QUEUE_SUSPEND) && - scic_sds_controller_completion_queue_has_entries(scic)) { + scic_sds_controller_completion_queue_has_entries(ihost)) { - scic_sds_controller_process_completions(scic); - writel(SMU_ISR_QUEUE_SUSPEND, &scic->smu_registers->interrupt_status); + scic_sds_controller_process_completions(ihost); + writel(SMU_ISR_QUEUE_SUSPEND, &ihost->smu_registers->interrupt_status); } else { - dev_err(scic_to_dev(scic), "%s: status: %#x\n", __func__, + dev_err(&ihost->pdev->dev, "%s: status: %#x\n", __func__, interrupt_status); - sci_change_state(&scic->sm, SCIC_FAILED); + sci_change_state(&ihost->sm, SCIC_FAILED); return; } @@ -602,22 +599,21 @@ static void scic_sds_controller_error_handler(struct scic_sds_controller *scic) /* If we dont process any completions I am not sure that we want to do this. * We are in the middle of a hardware fault and should probably be reset. */ - writel(0, &scic->smu_registers->interrupt_mask); + writel(0, &ihost->smu_registers->interrupt_mask); } irqreturn_t isci_intx_isr(int vec, void *data) { irqreturn_t ret = IRQ_NONE; struct isci_host *ihost = data; - struct scic_sds_controller *scic = &ihost->sci; - if (scic_sds_controller_isr(scic)) { - writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status); + if (scic_sds_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(scic)) { + } else if (scic_sds_controller_error_isr(ihost)) { spin_lock(&ihost->scic_lock); - scic_sds_controller_error_handler(scic); + scic_sds_controller_error_handler(ihost); spin_unlock(&ihost->scic_lock); ret = IRQ_HANDLED; } @@ -629,8 +625,8 @@ irqreturn_t isci_error_isr(int vec, void *data) { struct isci_host *ihost = data; - if (scic_sds_controller_error_isr(&ihost->sci)) - scic_sds_controller_error_handler(&ihost->sci); + if (scic_sds_controller_error_isr(ihost)) + scic_sds_controller_error_handler(ihost); return IRQ_HANDLED; } @@ -685,11 +681,10 @@ 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 scic_sds_controller *sc) +static u32 scic_controller_get_suggested_start_timeout(struct isci_host *ihost) { /* Validate the user supplied parameters. */ - if (sc == NULL) + if (!ihost) return 0; /* @@ -711,35 +706,32 @@ static u32 scic_controller_get_suggested_start_timeout( + ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL); } -static void scic_controller_enable_interrupts( - struct scic_sds_controller *scic) +static void scic_controller_enable_interrupts(struct isci_host *ihost) { - BUG_ON(scic->smu_registers == NULL); - writel(0, &scic->smu_registers->interrupt_mask); + BUG_ON(ihost->smu_registers == NULL); + writel(0, &ihost->smu_registers->interrupt_mask); } -void scic_controller_disable_interrupts( - struct scic_sds_controller *scic) +void scic_controller_disable_interrupts(struct isci_host *ihost) { - BUG_ON(scic->smu_registers == NULL); - writel(0xffffffff, &scic->smu_registers->interrupt_mask); + BUG_ON(ihost->smu_registers == NULL); + writel(0xffffffff, &ihost->smu_registers->interrupt_mask); } -static void scic_sds_controller_enable_port_task_scheduler( - struct scic_sds_controller *scic) +static void scic_sds_controller_enable_port_task_scheduler(struct isci_host *ihost) { u32 port_task_scheduler_value; port_task_scheduler_value = - readl(&scic->scu_registers->peg0.ptsg.control); + readl(&ihost->scu_registers->peg0.ptsg.control); port_task_scheduler_value |= (SCU_PTSGCR_GEN_BIT(ETM_ENABLE) | SCU_PTSGCR_GEN_BIT(PTSG_ENABLE)); writel(port_task_scheduler_value, - &scic->scu_registers->peg0.ptsg.control); + &ihost->scu_registers->peg0.ptsg.control); } -static void scic_sds_controller_assign_task_entries(struct scic_sds_controller *scic) +static void scic_sds_controller_assign_task_entries(struct isci_host *ihost) { u32 task_assignment; @@ -749,32 +741,32 @@ static void scic_sds_controller_assign_task_entries(struct scic_sds_controller * */ task_assignment = - readl(&scic->smu_registers->task_context_assignment[0]); + readl(&ihost->smu_registers->task_context_assignment[0]); task_assignment |= (SMU_TCA_GEN_VAL(STARTING, 0)) | - (SMU_TCA_GEN_VAL(ENDING, scic->task_context_entries - 1)) | + (SMU_TCA_GEN_VAL(ENDING, ihost->task_context_entries - 1)) | (SMU_TCA_GEN_BIT(RANGE_CHECK_ENABLE)); writel(task_assignment, - &scic->smu_registers->task_context_assignment[0]); + &ihost->smu_registers->task_context_assignment[0]); } -static void scic_sds_controller_initialize_completion_queue(struct scic_sds_controller *scic) +static void scic_sds_controller_initialize_completion_queue(struct isci_host *ihost) { u32 index; u32 completion_queue_control_value; u32 completion_queue_get_value; u32 completion_queue_put_value; - scic->completion_queue_get = 0; + ihost->completion_queue_get = 0; completion_queue_control_value = (SMU_CQC_QUEUE_LIMIT_SET(SCU_MAX_COMPLETION_QUEUE_ENTRIES - 1) | SMU_CQC_EVENT_LIMIT_SET(SCU_MAX_EVENTS - 1)); writel(completion_queue_control_value, - &scic->smu_registers->completion_queue_control); + &ihost->smu_registers->completion_queue_control); /* Set the completion queue get pointer and enable the queue */ @@ -786,7 +778,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont ); writel(completion_queue_get_value, - &scic->smu_registers->completion_queue_get); + &ihost->smu_registers->completion_queue_get); /* Set the completion queue put pointer */ completion_queue_put_value = ( @@ -795,7 +787,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont ); writel(completion_queue_put_value, - &scic->smu_registers->completion_queue_put); + &ihost->smu_registers->completion_queue_put); /* Initialize the cycle bit of the completion queue entries */ for (index = 0; index < SCU_MAX_COMPLETION_QUEUE_ENTRIES; index++) { @@ -803,11 +795,11 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont * If get.cycle_bit != completion_queue.cycle_bit * its not a valid completion queue entry * so at system start all entries are invalid */ - scic->completion_queue[index] = 0x80000000; + ihost->completion_queue[index] = 0x80000000; } } -static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_sds_controller *scic) +static void scic_sds_controller_initialize_unsolicited_frame_queue(struct isci_host *ihost) { u32 frame_queue_control_value; u32 frame_queue_get_value; @@ -818,7 +810,7 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s SCU_UFQC_GEN_VAL(QUEUE_SIZE, SCU_MAX_UNSOLICITED_FRAMES); writel(frame_queue_control_value, - &scic->scu_registers->sdma.unsolicited_frame_queue_control); + &ihost->scu_registers->sdma.unsolicited_frame_queue_control); /* Setup the get pointer for the unsolicited frame queue */ frame_queue_get_value = ( @@ -827,11 +819,11 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s ); writel(frame_queue_get_value, - &scic->scu_registers->sdma.unsolicited_frame_get_pointer); + &ihost->scu_registers->sdma.unsolicited_frame_get_pointer); /* Setup the put pointer for the unsolicited frame queue */ frame_queue_put_value = SCU_UFQPP_GEN_VAL(POINTER, 0); writel(frame_queue_put_value, - &scic->scu_registers->sdma.unsolicited_frame_put_pointer); + &ihost->scu_registers->sdma.unsolicited_frame_put_pointer); } /** @@ -846,17 +838,16 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s * none. */ static void scic_sds_controller_transition_to_ready( - struct scic_sds_controller *scic, + struct isci_host *ihost, enum sci_status status) { - struct isci_host *ihost = scic_to_ihost(scic); - if (scic->sm.current_state_id == SCIC_STARTING) { + if (ihost->sm.current_state_id == SCIC_STARTING) { /* * We move into the ready state, because some of the phys/ports * may be up and operational. */ - sci_change_state(&scic->sm, SCIC_READY); + sci_change_state(&ihost->sm, SCIC_READY); isci_host_start_complete(ihost, status); } @@ -892,19 +883,18 @@ static bool is_phy_starting(struct isci_phy *iphy) * controller to the READY state and inform the user * (scic_cb_controller_start_complete()). */ -static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic) +static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihost) { - struct isci_host *ihost = scic_to_ihost(scic); - struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1; + struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1; struct isci_phy *iphy; enum sci_status status; status = SCI_SUCCESS; - if (scic->phy_startup_timer_pending) + if (ihost->phy_startup_timer_pending) return status; - if (scic->next_phy_to_start >= SCI_MAX_PHYS) { + if (ihost->next_phy_to_start >= SCI_MAX_PHYS) { bool is_controller_start_complete = true; u32 state; u8 index; @@ -934,16 +924,16 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro * 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(scic, SCI_SUCCESS); - sci_del_timer(&scic->phy_timer); - scic->phy_startup_timer_pending = false; + scic_sds_controller_transition_to_ready(ihost, SCI_SUCCESS); + sci_del_timer(&ihost->phy_timer); + ihost->phy_startup_timer_pending = false; } } else { - iphy = &ihost->phys[scic->next_phy_to_start]; + iphy = &ihost->phys[ihost->next_phy_to_start]; if (oem->controller.mode_type == SCIC_PORT_MANUAL_CONFIGURATION_MODE) { if (phy_get_non_dummy_port(iphy) == NULL) { - scic->next_phy_to_start++; + ihost->next_phy_to_start++; /* Caution recursion ahead be forwarned * @@ -954,27 +944,27 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro * incorrectly for the PORT or it was never * assigned to a PORT */ - return scic_sds_controller_start_next_phy(scic); + return scic_sds_controller_start_next_phy(ihost); } } status = scic_sds_phy_start(iphy); if (status == SCI_SUCCESS) { - sci_mod_timer(&scic->phy_timer, + sci_mod_timer(&ihost->phy_timer, SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT); - scic->phy_startup_timer_pending = true; + ihost->phy_startup_timer_pending = true; } else { - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: Controller stop operation failed " "to stop phy %d because of status " "%d.\n", __func__, - ihost->phys[scic->next_phy_to_start].phy_index, + ihost->phys[ihost->next_phy_to_start].phy_index, status); } - scic->next_phy_to_start++; + ihost->next_phy_to_start++; } return status; @@ -983,8 +973,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro static void phy_startup_timeout(unsigned long data) { struct sci_timer *tmr = (struct sci_timer *)data; - struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), phy_timer); - struct isci_host *ihost = scic_to_ihost(scic); + struct isci_host *ihost = container_of(tmr, typeof(*ihost), phy_timer); unsigned long flags; enum sci_status status; @@ -993,10 +982,10 @@ static void phy_startup_timeout(unsigned long data) if (tmr->cancel) goto done; - scic->phy_startup_timer_pending = false; + ihost->phy_startup_timer_pending = false; do { - status = scic_sds_controller_start_next_phy(scic); + status = scic_sds_controller_start_next_phy(ihost); } while (status != SCI_SUCCESS); done: @@ -1008,15 +997,14 @@ 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 scic_sds_controller *scic, +static enum sci_status scic_controller_start(struct isci_host *ihost, u32 timeout) { - struct isci_host *ihost = scic_to_ihost(scic); enum sci_status result; u16 index; - if (scic->sm.current_state_id != SCIC_INITIALIZED) { - dev_warn(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_INITIALIZED) { + dev_warn(&ihost->pdev->dev, "SCIC Controller start operation requested in " "invalid state\n"); return SCI_FAILURE_INVALID_STATE; @@ -1026,34 +1014,34 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic, BUILD_BUG_ON(SCI_MAX_IO_REQUESTS > 1 << sizeof(ihost->tci_pool[0]) * 8); ihost->tci_head = 0; ihost->tci_tail = 0; - for (index = 0; index < scic->task_context_entries; index++) + for (index = 0; index < ihost->task_context_entries; index++) isci_tci_free(ihost, index); /* Build the RNi free pool */ scic_sds_remote_node_table_initialize( - &scic->available_remote_nodes, - scic->remote_node_entries); + &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(scic); + scic_controller_disable_interrupts(ihost); /* Enable the port task scheduler */ - scic_sds_controller_enable_port_task_scheduler(scic); + scic_sds_controller_enable_port_task_scheduler(ihost); - /* Assign all the task entries to scic physical function */ - scic_sds_controller_assign_task_entries(scic); + /* Assign all the task entries to ihost physical function */ + scic_sds_controller_assign_task_entries(ihost); /* Now initialize the completion queue */ - scic_sds_controller_initialize_completion_queue(scic); + scic_sds_controller_initialize_completion_queue(ihost); /* Initialize the unsolicited frame queue for use */ - scic_sds_controller_initialize_unsolicited_frame_queue(scic); + scic_sds_controller_initialize_unsolicited_frame_queue(ihost); /* Start all of the ports on this controller */ - for (index = 0; index < scic->logical_port_entries; index++) { + for (index = 0; index < ihost->logical_port_entries; index++) { struct isci_port *iport = &ihost->ports[index]; result = scic_sds_port_start(iport); @@ -1061,11 +1049,11 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic, return result; } - scic_sds_controller_start_next_phy(scic); + scic_sds_controller_start_next_phy(ihost); - sci_mod_timer(&scic->timer, timeout); + sci_mod_timer(&ihost->timer, timeout); - sci_change_state(&scic->sm, SCIC_STARTING); + sci_change_state(&ihost->sm, SCIC_STARTING); return SCI_SUCCESS; } @@ -1073,35 +1061,35 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic, 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->sci); + unsigned long tmo = scic_controller_get_suggested_start_timeout(ihost); set_bit(IHOST_START_PENDING, &ihost->flags); spin_lock_irq(&ihost->scic_lock); - scic_controller_start(&ihost->sci, tmo); - scic_controller_enable_interrupts(&ihost->sci); + scic_controller_start(ihost, tmo); + scic_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); + scic_controller_disable_interrupts(ihost); clear_bit(IHOST_STOP_PENDING, &ihost->flags); wake_up(&ihost->eventq); } -static void scic_sds_controller_completion_handler(struct scic_sds_controller *scic) +static void scic_sds_controller_completion_handler(struct isci_host *ihost) { /* Empty out the completion queue */ - if (scic_sds_controller_completion_queue_has_entries(scic)) - scic_sds_controller_process_completions(scic); + if (scic_sds_controller_completion_queue_has_entries(ihost)) + scic_sds_controller_process_completions(ihost); /* Clear the interrupt and enable all interrupts again */ - writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status); + writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status); /* Could we write the value of SMU_ISR_COMPLETION? */ - writel(0xFF000000, &scic->smu_registers->interrupt_mask); - writel(0, &scic->smu_registers->interrupt_mask); + writel(0xFF000000, &ihost->smu_registers->interrupt_mask); + writel(0, &ihost->smu_registers->interrupt_mask); } /** @@ -1114,7 +1102,7 @@ static void scic_sds_controller_completion_handler(struct scic_sds_controller *s */ static void isci_host_completion_routine(unsigned long data) { - struct isci_host *isci_host = (struct isci_host *)data; + struct isci_host *ihost = (struct isci_host *)data; struct list_head completed_request_list; struct list_head errored_request_list; struct list_head *current_position; @@ -1126,20 +1114,20 @@ static void isci_host_completion_routine(unsigned long data) INIT_LIST_HEAD(&completed_request_list); INIT_LIST_HEAD(&errored_request_list); - spin_lock_irq(&isci_host->scic_lock); + spin_lock_irq(&ihost->scic_lock); - scic_sds_controller_completion_handler(&isci_host->sci); + scic_sds_controller_completion_handler(ihost); /* Take the lists of completed I/Os from the host. */ - list_splice_init(&isci_host->requests_to_complete, + list_splice_init(&ihost->requests_to_complete, &completed_request_list); /* Take the list of errored I/Os from the host. */ - list_splice_init(&isci_host->requests_to_errorback, + list_splice_init(&ihost->requests_to_errorback, &errored_request_list); - spin_unlock_irq(&isci_host->scic_lock); + spin_unlock_irq(&ihost->scic_lock); /* Process any completions in the lists. */ list_for_each_safe(current_position, next_position, @@ -1150,7 +1138,7 @@ static void isci_host_completion_routine(unsigned long data) task = isci_request_access_task(request); /* Normal notification (task_done) */ - dev_dbg(&isci_host->pdev->dev, + dev_dbg(&ihost->pdev->dev, "%s: Normal - request/task = %p/%p\n", __func__, request, @@ -1169,9 +1157,9 @@ static void isci_host_completion_routine(unsigned long data) } } - spin_lock_irq(&isci_host->scic_lock); - isci_free_tag(isci_host, request->io_tag); - spin_unlock_irq(&isci_host->scic_lock); + spin_lock_irq(&ihost->scic_lock); + isci_free_tag(ihost, request->io_tag); + spin_unlock_irq(&ihost->scic_lock); } list_for_each_entry_safe(request, next_request, &errored_request_list, completed_node) { @@ -1179,7 +1167,7 @@ static void isci_host_completion_routine(unsigned long data) task = isci_request_access_task(request); /* Use sas_task_abort */ - dev_warn(&isci_host->pdev->dev, + dev_warn(&ihost->pdev->dev, "%s: Error - request/task = %p/%p\n", __func__, request, @@ -1202,13 +1190,13 @@ static void isci_host_completion_routine(unsigned long data) * it. */ - spin_lock_irq(&isci_host->scic_lock); + spin_lock_irq(&ihost->scic_lock); /* Remove the request from the remote device's list * of pending requests. */ list_del_init(&request->dev_node); - isci_free_tag(isci_host, request->io_tag); - spin_unlock_irq(&isci_host->scic_lock); + isci_free_tag(ihost, request->io_tag); + spin_unlock_irq(&ihost->scic_lock); } } @@ -1232,18 +1220,18 @@ 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 scic_sds_controller *scic, +static enum sci_status scic_controller_stop(struct isci_host *ihost, u32 timeout) { - if (scic->sm.current_state_id != SCIC_READY) { - dev_warn(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_READY) { + dev_warn(&ihost->pdev->dev, "SCIC Controller stop operation requested in " "invalid state\n"); return SCI_FAILURE_INVALID_STATE; } - sci_mod_timer(&scic->timer, timeout); - sci_change_state(&scic->sm, SCIC_STOPPING); + sci_mod_timer(&ihost->timer, timeout); + sci_change_state(&ihost->sm, SCIC_STOPPING); return SCI_SUCCESS; } @@ -1259,9 +1247,9 @@ static enum sci_status scic_controller_stop(struct scic_sds_controller *scic, * 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 scic_sds_controller *scic) +static enum sci_status scic_controller_reset(struct isci_host *ihost) { - switch (scic->sm.current_state_id) { + switch (ihost->sm.current_state_id) { case SCIC_RESET: case SCIC_READY: case SCIC_STOPPED: @@ -1270,10 +1258,10 @@ static enum sci_status scic_controller_reset(struct scic_sds_controller *scic) * The reset operation is not a graceful cleanup, just * perform the state transition. */ - sci_change_state(&scic->sm, SCIC_RESETTING); + sci_change_state(&ihost->sm, SCIC_RESETTING); return SCI_SUCCESS; default: - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "SCIC Controller reset operation requested in " "invalid state\n"); return SCI_FAILURE_INVALID_STATE; @@ -1298,14 +1286,14 @@ 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->sci, SCIC_CONTROLLER_STOP_TIMEOUT); + scic_controller_stop(ihost, SCIC_CONTROLLER_STOP_TIMEOUT); spin_unlock_irq(&ihost->scic_lock); wait_for_stop(ihost); - scic_controller_reset(&ihost->sci); + scic_controller_reset(ihost); /* Cancel any/all outstanding port timers */ - for (i = 0; i < ihost->sci.logical_port_entries; i++) { + for (i = 0; i < ihost->logical_port_entries; i++) { struct isci_port *iport = &ihost->ports[i]; del_timer_sync(&iport->timer.timer); } @@ -1316,13 +1304,13 @@ void isci_host_deinit(struct isci_host *ihost) del_timer_sync(&iphy->sata_timer.timer); } - del_timer_sync(&ihost->sci.port_agent.timer.timer); + del_timer_sync(&ihost->port_agent.timer.timer); - del_timer_sync(&ihost->sci.power_control.timer.timer); + del_timer_sync(&ihost->power_control.timer.timer); - del_timer_sync(&ihost->sci.timer.timer); + del_timer_sync(&ihost->timer.timer); - del_timer_sync(&ihost->sci.phy_timer.timer); + del_timer_sync(&ihost->phy_timer.timer); } static void __iomem *scu_base(struct isci_host *isci_host) @@ -1369,16 +1357,16 @@ static void isci_user_parameters_get( static void scic_sds_controller_initial_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); - sci_change_state(&scic->sm, SCIC_RESET); + sci_change_state(&ihost->sm, SCIC_RESET); } static inline void scic_sds_controller_starting_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); - sci_del_timer(&scic->timer); + sci_del_timer(&ihost->timer); } #define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853 @@ -1405,10 +1393,10 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state * SCI_SUCCESS The user successfully updated the interrutp coalescence. * SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range. */ -static enum sci_status scic_controller_set_interrupt_coalescence( - struct scic_sds_controller *scic_controller, - u32 coalesce_number, - u32 coalesce_timeout) +static enum sci_status +scic_controller_set_interrupt_coalescence(struct isci_host *ihost, + u32 coalesce_number, + u32 coalesce_timeout) { u8 timeout_encode = 0; u32 min = 0; @@ -1491,11 +1479,11 @@ static enum sci_status scic_controller_set_interrupt_coalescence( writel(SMU_ICC_GEN_VAL(NUMBER, coalesce_number) | SMU_ICC_GEN_VAL(TIMER, timeout_encode), - &scic_controller->smu_registers->interrupt_coalesce_control); + &ihost->smu_registers->interrupt_coalesce_control); - scic_controller->interrupt_coalesce_number = (u16)coalesce_number; - scic_controller->interrupt_coalesce_timeout = coalesce_timeout / 100; + ihost->interrupt_coalesce_number = (u16)coalesce_number; + ihost->interrupt_coalesce_timeout = coalesce_timeout / 100; return SCI_SUCCESS; } @@ -1503,26 +1491,25 @@ static enum sci_status scic_controller_set_interrupt_coalescence( static void scic_sds_controller_ready_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), 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(scic, 0x10, 250); + scic_controller_set_interrupt_coalescence(ihost, 0x10, 250); } static void scic_sds_controller_ready_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* disable interrupt coalescence. */ - scic_controller_set_interrupt_coalescence(scic, 0, 0); + scic_controller_set_interrupt_coalescence(ihost, 0, 0); } -static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller *scic) +static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost) { u32 index; enum sci_status status; enum sci_status phy_status; - struct isci_host *ihost = scic_to_ihost(scic); status = SCI_SUCCESS; @@ -1533,7 +1520,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller phy_status != SCI_FAILURE_INVALID_STATE) { status = SCI_FAILURE; - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: Controller stop operation failed to stop " "phy %d because of status %d.\n", __func__, @@ -1544,14 +1531,13 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller return status; } -static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic) +static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost) { u32 index; enum sci_status port_status; enum sci_status status = SCI_SUCCESS; - struct isci_host *ihost = scic_to_ihost(scic); - for (index = 0; index < scic->logical_port_entries; index++) { + for (index = 0; index < ihost->logical_port_entries; index++) { struct isci_port *iport = &ihost->ports[index]; port_status = scic_sds_port_stop(iport); @@ -1560,7 +1546,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller (port_status != SCI_FAILURE_INVALID_STATE)) { status = SCI_FAILURE; - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: Controller stop operation failed to " "stop port %d because of status %d.\n", __func__, @@ -1572,7 +1558,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller return status; } -static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controller *scic) +static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost) { u32 index; enum sci_status status; @@ -1580,19 +1566,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll status = SCI_SUCCESS; - for (index = 0; index < scic->remote_node_entries; index++) { - if (scic->device_table[index] != NULL) { + 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(scic->device_table[index], 0); + device_status = scic_remote_device_stop(ihost->device_table[index], 0); if ((device_status != SCI_SUCCESS) && (device_status != SCI_FAILURE_INVALID_STATE)) { - dev_warn(scic_to_dev(scic), + dev_warn(&ihost->pdev->dev, "%s: Controller stop operation failed " "to stop device 0x%p because of " "status %d.\n", __func__, - scic->device_table[index], device_status); + ihost->device_table[index], device_status); } } } @@ -1602,19 +1588,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll static void scic_sds_controller_stopping_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); /* Stop all of the components for this controller */ - scic_sds_controller_stop_phys(scic); - scic_sds_controller_stop_ports(scic); - scic_sds_controller_stop_devices(scic); + scic_sds_controller_stop_phys(ihost); + scic_sds_controller_stop_ports(ihost); + scic_sds_controller_stop_devices(ihost); } static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); - sci_del_timer(&scic->timer); + sci_del_timer(&ihost->timer); } @@ -1623,30 +1609,30 @@ static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machin * * This method will reset the controller hardware. */ -static void scic_sds_controller_reset_hardware(struct scic_sds_controller *scic) +static void scic_sds_controller_reset_hardware(struct isci_host *ihost) { /* Disable interrupts so we dont take any spurious interrupts */ - scic_controller_disable_interrupts(scic); + scic_controller_disable_interrupts(ihost); /* Reset the SCU */ - writel(0xFFFFFFFF, &scic->smu_registers->soft_reset_control); + writel(0xFFFFFFFF, &ihost->smu_registers->soft_reset_control); /* Delay for 1ms to before clearing the CQP and UFQPR. */ udelay(1000); /* The write to the CQGR clears the CQP */ - writel(0x00000000, &scic->smu_registers->completion_queue_get); + writel(0x00000000, &ihost->smu_registers->completion_queue_get); /* The write to the UFQGP clears the UFQPR */ - writel(0, &scic->scu_registers->sdma.unsolicited_frame_get_pointer); + writel(0, &ihost->scu_registers->sdma.unsolicited_frame_get_pointer); } static void scic_sds_controller_resetting_state_enter(struct sci_base_state_machine *sm) { - struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm); + struct isci_host *ihost = container_of(sm, typeof(*ihost), sm); - scic_sds_controller_reset_hardware(scic); - sci_change_state(&scic->sm, SCIC_RESET); + scic_sds_controller_reset_hardware(ihost); + sci_change_state(&ihost->sm, SCIC_RESET); } static const struct sci_base_state scic_sds_controller_state_table[] = { @@ -1674,58 +1660,56 @@ static const struct sci_base_state scic_sds_controller_state_table[] = { [SCIC_FAILED] = {} }; -static void scic_sds_controller_set_default_config_parameters(struct scic_sds_controller *scic) +static void scic_sds_controller_set_default_config_parameters(struct isci_host *ihost) { /* these defaults are overridden by the platform / firmware */ - struct isci_host *ihost = scic_to_ihost(scic); u16 index; /* Default to APC mode. */ - scic->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE; + ihost->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE; /* Default to APC mode. */ - scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1; + ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1; /* Default to no SSC operation. */ - scic->oem_parameters.sds1.controller.do_enable_ssc = false; + ihost->oem_parameters.sds1.controller.do_enable_ssc = false; /* Initialize all of the port parameter information to narrow ports. */ for (index = 0; index < SCI_MAX_PORTS; index++) { - scic->oem_parameters.sds1.ports[index].phy_mask = 0; + ihost->oem_parameters.sds1.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. */ - scic->user_parameters.sds1.phys[index].max_speed_generation = 3; + ihost->user_parameters.sds1.phys[index].max_speed_generation = 3; /* the frequencies cannot be 0 */ - scic->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f; - scic->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff; - scic->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33; + 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; /* * 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. */ - scic->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id; - scic->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF; + ihost->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id; + ihost->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF; } - scic->user_parameters.sds1.stp_inactivity_timeout = 5; - scic->user_parameters.sds1.ssp_inactivity_timeout = 5; - scic->user_parameters.sds1.stp_max_occupancy_timeout = 5; - scic->user_parameters.sds1.ssp_max_occupancy_timeout = 20; - scic->user_parameters.sds1.no_outbound_task_timeout = 20; + 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; } static void controller_timeout(unsigned long data) { struct sci_timer *tmr = (struct sci_timer *)data; - struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), timer); - struct isci_host *ihost = scic_to_ihost(scic); - struct sci_base_state_machine *sm = &scic->sm; + struct isci_host *ihost = container_of(tmr, typeof(*ihost), timer); + struct sci_base_state_machine *sm = &ihost->sm; unsigned long flags; spin_lock_irqsave(&ihost->scic_lock, flags); @@ -1734,12 +1718,12 @@ static void controller_timeout(unsigned long data) goto done; if (sm->current_state_id == SCIC_STARTING) - scic_sds_controller_transition_to_ready(scic, SCI_FAILURE_TIMEOUT); + scic_sds_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); } else /* / @todo Now what do we want to do in this case? */ - dev_err(scic_to_dev(scic), + dev_err(&ihost->pdev->dev, "%s: Controller timer fired when controller was not " "in a state being timed.\n", __func__); @@ -1764,24 +1748,23 @@ done: * 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 scic_sds_controller *scic, +static enum sci_status scic_controller_construct(struct isci_host *ihost, void __iomem *scu_base, void __iomem *smu_base) { - struct isci_host *ihost = scic_to_ihost(scic); u8 i; - sci_init_sm(&scic->sm, scic_sds_controller_state_table, SCIC_INITIAL); + sci_init_sm(&ihost->sm, scic_sds_controller_state_table, SCIC_INITIAL); - scic->scu_registers = scu_base; - scic->smu_registers = smu_base; + ihost->scu_registers = scu_base; + ihost->smu_registers = smu_base; - scic_sds_port_configuration_agent_construct(&scic->port_agent); + scic_sds_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, scic); - scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, scic); + scic_sds_port_construct(&ihost->ports[i], i, ihost); + scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, ihost); /* Construct the phys for this controller */ for (i = 0; i < SCI_MAX_PHYS; i++) { @@ -1790,14 +1773,14 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci &ihost->ports[SCI_MAX_PORTS], i); } - scic->invalid_phy_mask = 0; + ihost->invalid_phy_mask = 0; - sci_init_timer(&scic->timer, controller_timeout); + sci_init_timer(&ihost->timer, controller_timeout); /* Initialize the User and OEM parameters to default values. */ - scic_sds_controller_set_default_config_parameters(scic); + scic_sds_controller_set_default_config_parameters(ihost); - return scic_controller_reset(scic); + return scic_controller_reset(ihost); } int scic_oem_parameters_validate(struct scic_sds_oem_params *oem) @@ -1834,10 +1817,10 @@ int scic_oem_parameters_validate(struct scic_sds_oem_params *oem) return 0; } -static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic, +static enum sci_status scic_oem_parameters_set(struct isci_host *ihost, union scic_oem_parameters *scic_parms) { - u32 state = scic->sm.current_state_id; + u32 state = ihost->sm.current_state_id; if (state == SCIC_RESET || state == SCIC_INITIALIZING || @@ -1845,7 +1828,7 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic, if (scic_oem_parameters_validate(&scic_parms->sds1)) return SCI_FAILURE_INVALID_PARAMETER_VALUE; - scic->oem_parameters.sds1 = scic_parms->sds1; + ihost->oem_parameters.sds1 = scic_parms->sds1; return SCI_SUCCESS; } @@ -1854,17 +1837,16 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic, } void scic_oem_parameters_get( - struct scic_sds_controller *scic, + struct isci_host *ihost, union scic_oem_parameters *scic_parms) { - memcpy(scic_parms, (&scic->oem_parameters), sizeof(*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; - struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), power_control.timer); - struct isci_host *ihost = scic_to_ihost(scic); + struct isci_host *ihost = container_of(tmr, typeof(*ihost), power_control.timer); struct isci_phy *iphy; unsigned long flags; u8 i; @@ -1874,29 +1856,29 @@ static void power_control_timeout(unsigned long data) if (tmr->cancel) goto done; - scic->power_control.phys_granted_power = 0; + ihost->power_control.phys_granted_power = 0; - if (scic->power_control.phys_waiting == 0) { - scic->power_control.timer_started = false; + if (ihost->power_control.phys_waiting == 0) { + ihost->power_control.timer_started = false; goto done; } for (i = 0; i < SCI_MAX_PHYS; i++) { - if (scic->power_control.phys_waiting == 0) + if (ihost->power_control.phys_waiting == 0) break; - iphy = scic->power_control.requesters[i]; + iphy = ihost->power_control.requesters[i]; if (iphy == NULL) continue; - if (scic->power_control.phys_granted_power >= - scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) + if (ihost->power_control.phys_granted_power >= + ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) break; - scic->power_control.requesters[i] = NULL; - scic->power_control.phys_waiting--; - scic->power_control.phys_granted_power++; + ihost->power_control.requesters[i] = NULL; + ihost->power_control.phys_waiting--; + ihost->power_control.phys_granted_power++; scic_sds_phy_consume_power_handler(iphy); } @@ -1905,7 +1887,7 @@ static void power_control_timeout(unsigned long data) * timer in case another phy becomes ready. */ sci_mod_timer(tmr, SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL); - scic->power_control.timer_started = true; + ihost->power_control.timer_started = true; done: spin_unlock_irqrestore(&ihost->scic_lock, flags); @@ -1918,31 +1900,31 @@ done: * */ void scic_sds_controller_power_control_queue_insert( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_phy *iphy) { BUG_ON(iphy == NULL); - if (scic->power_control.phys_granted_power < - scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) { - scic->power_control.phys_granted_power++; + if (ihost->power_control.phys_granted_power < + ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) { + ihost->power_control.phys_granted_power++; scic_sds_phy_consume_power_handler(iphy); /* * stop and start the power_control timer. When the timer fires, the * no_of_phys_granted_power will be set to 0 */ - if (scic->power_control.timer_started) - sci_del_timer(&scic->power_control.timer); + if (ihost->power_control.timer_started) + sci_del_timer(&ihost->power_control.timer); - sci_mod_timer(&scic->power_control.timer, + sci_mod_timer(&ihost->power_control.timer, SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL); - scic->power_control.timer_started = true; + ihost->power_control.timer_started = true; } else { /* Add the phy in the waiting list */ - scic->power_control.requesters[iphy->phy_index] = iphy; - scic->power_control.phys_waiting++; + ihost->power_control.requesters[iphy->phy_index] = iphy; + ihost->power_control.phys_waiting++; } } @@ -1953,16 +1935,16 @@ void scic_sds_controller_power_control_queue_insert( * */ void scic_sds_controller_power_control_queue_remove( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_phy *iphy) { BUG_ON(iphy == NULL); - if (scic->power_control.requesters[iphy->phy_index] != NULL) { - scic->power_control.phys_waiting--; + if (ihost->power_control.requesters[iphy->phy_index] != NULL) { + ihost->power_control.phys_waiting--; } - scic->power_control.requesters[iphy->phy_index] = NULL; + ihost->power_control.requesters[iphy->phy_index] = NULL; } #define AFE_REGISTER_WRITE_DELAY 10 @@ -1970,50 +1952,50 @@ 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 scic_sds_controller *scic) +static void scic_sds_controller_afe_initialization(struct isci_host *ihost) { - const struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1; + const struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1; u32 afe_status; u32 phy_id; /* Clear DFX Status registers */ - writel(0x0081000f, &scic->scu_registers->afe.afe_dfx_master_control0); + writel(0x0081000f, &ihost->scu_registers->afe.afe_dfx_master_control0); udelay(AFE_REGISTER_WRITE_DELAY); if (is_b0()) { /* PM Rx Equalization Save, PM SPhy Rx Acknowledgement * Timer, PM Stagger Timer */ - writel(0x0007BFFF, &scic->scu_registers->afe.afe_pmsn_master_control2); + writel(0x0007BFFF, &ihost->scu_registers->afe.afe_pmsn_master_control2); udelay(AFE_REGISTER_WRITE_DELAY); } /* Configure bias currents to normal */ if (is_a0()) - writel(0x00005500, &scic->scu_registers->afe.afe_bias_control); + writel(0x00005500, &ihost->scu_registers->afe.afe_bias_control); else if (is_a2()) - writel(0x00005A00, &scic->scu_registers->afe.afe_bias_control); + writel(0x00005A00, &ihost->scu_registers->afe.afe_bias_control); else if (is_b0() || is_c0()) - writel(0x00005F00, &scic->scu_registers->afe.afe_bias_control); + writel(0x00005F00, &ihost->scu_registers->afe.afe_bias_control); udelay(AFE_REGISTER_WRITE_DELAY); /* Enable PLL */ if (is_b0() || is_c0()) - writel(0x80040A08, &scic->scu_registers->afe.afe_pll_control0); + writel(0x80040A08, &ihost->scu_registers->afe.afe_pll_control0); else - writel(0x80040908, &scic->scu_registers->afe.afe_pll_control0); + writel(0x80040908, &ihost->scu_registers->afe.afe_pll_control0); udelay(AFE_REGISTER_WRITE_DELAY); /* Wait for the PLL to lock */ do { - afe_status = readl(&scic->scu_registers->afe.afe_common_block_status); + afe_status = readl(&ihost->scu_registers->afe.afe_common_block_status); udelay(AFE_REGISTER_WRITE_DELAY); } while ((afe_status & 0x00001000) == 0); if (is_a0() || is_a2()) { /* Shorten SAS SNW lock time (RxLock timer value from 76 us to 50 us) */ - writel(0x7bcc96ad, &scic->scu_registers->afe.afe_pmsn_master_control0); + writel(0x7bcc96ad, &ihost->scu_registers->afe.afe_pmsn_master_control0); udelay(AFE_REGISTER_WRITE_DELAY); } @@ -2022,26 +2004,26 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s if (is_b0()) { /* Configure transmitter SSC parameters */ - writel(0x00030000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control); + writel(0x00030000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control); udelay(AFE_REGISTER_WRITE_DELAY); } else if (is_c0()) { /* Configure transmitter SSC parameters */ - writel(0x0003000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control); + writel(0x0003000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control); udelay(AFE_REGISTER_WRITE_DELAY); /* * All defaults, except the Receive Word Alignament/Comma Detect * Enable....(0xe800) */ - writel(0x00004500, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); + writel(0x00004500, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); udelay(AFE_REGISTER_WRITE_DELAY); } else { /* * All defaults, except the Receive Word Alignament/Comma Detect * Enable....(0xe800) */ - writel(0x00004512, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); + writel(0x00004512, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); udelay(AFE_REGISTER_WRITE_DELAY); - writel(0x0050100F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1); + writel(0x0050100F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1); udelay(AFE_REGISTER_WRITE_DELAY); } @@ -2049,106 +2031,105 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s * Power up TX and RX out from power down (PWRDNTX and PWRDNRX) * & increase TX int & ext bias 20%....(0xe85c) */ if (is_a0()) - writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); else if (is_a2()) - writel(0x000003F0, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000003F0, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); else if (is_b0()) { /* Power down TX and RX (PWRDNTX and PWRDNRX) */ - writel(0x000003D7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000003D7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); udelay(AFE_REGISTER_WRITE_DELAY); /* * Power up TX and RX out from power down (PWRDNTX and PWRDNRX) * & increase TX int & ext bias 20%....(0xe85c) */ - writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); } else { - writel(0x000001E7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000001E7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); udelay(AFE_REGISTER_WRITE_DELAY); /* * Power up TX and RX out from power down (PWRDNTX and PWRDNRX) * & increase TX int & ext bias 20%....(0xe85c) */ - writel(0x000001E4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); + writel(0x000001E4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control); } udelay(AFE_REGISTER_WRITE_DELAY); if (is_a0() || is_a2()) { /* Enable TX equalization (0xe824) */ - writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); + writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); udelay(AFE_REGISTER_WRITE_DELAY); } /* * RDPI=0x0(RX Power On), RXOOBDETPDNC=0x0, TPD=0x0(TX Power On), * RDD=0x0(RX Detect Enabled) ....(0xe800) */ - writel(0x00004100, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); + writel(0x00004100, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0); udelay(AFE_REGISTER_WRITE_DELAY); /* Leave DFE/FFE on */ if (is_a0()) - writel(0x3F09983F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); + writel(0x3F09983F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); else if (is_a2()) - writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); + writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); else if (is_b0()) { - writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); + writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); udelay(AFE_REGISTER_WRITE_DELAY); /* Enable TX equalization (0xe824) */ - writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); + writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); } else { - writel(0x0140DF0F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1); + writel(0x0140DF0F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1); udelay(AFE_REGISTER_WRITE_DELAY); - writel(0x3F6F103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); + writel(0x3F6F103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0); udelay(AFE_REGISTER_WRITE_DELAY); /* Enable TX equalization (0xe824) */ - writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); + writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control); } udelay(AFE_REGISTER_WRITE_DELAY); writel(oem_phy->afe_tx_amp_control0, - &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0); + &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0); udelay(AFE_REGISTER_WRITE_DELAY); writel(oem_phy->afe_tx_amp_control1, - &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1); + &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1); udelay(AFE_REGISTER_WRITE_DELAY); writel(oem_phy->afe_tx_amp_control2, - &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2); + &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2); udelay(AFE_REGISTER_WRITE_DELAY); writel(oem_phy->afe_tx_amp_control3, - &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3); + &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3); udelay(AFE_REGISTER_WRITE_DELAY); } /* Transfer control to the PEs */ - writel(0x00010f00, &scic->scu_registers->afe.afe_dfx_master_control0); + writel(0x00010f00, &ihost->scu_registers->afe.afe_dfx_master_control0); udelay(AFE_REGISTER_WRITE_DELAY); } -static void scic_sds_controller_initialize_power_control(struct scic_sds_controller *scic) +static void scic_sds_controller_initialize_power_control(struct isci_host *ihost) { - sci_init_timer(&scic->power_control.timer, power_control_timeout); + sci_init_timer(&ihost->power_control.timer, power_control_timeout); - memset(scic->power_control.requesters, 0, - sizeof(scic->power_control.requesters)); + memset(ihost->power_control.requesters, 0, + sizeof(ihost->power_control.requesters)); - scic->power_control.phys_waiting = 0; - scic->power_control.phys_granted_power = 0; + ihost->power_control.phys_waiting = 0; + ihost->power_control.phys_granted_power = 0; } -static enum sci_status scic_controller_initialize(struct scic_sds_controller *scic) +static enum sci_status scic_controller_initialize(struct isci_host *ihost) { - struct sci_base_state_machine *sm = &scic->sm; - struct isci_host *ihost = scic_to_ihost(scic); + struct sci_base_state_machine *sm = &ihost->sm; enum sci_status result = SCI_FAILURE; unsigned long i, state, val; - if (scic->sm.current_state_id != SCIC_RESET) { - dev_warn(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_RESET) { + dev_warn(&ihost->pdev->dev, "SCIC Controller initialize operation requested " "in invalid state\n"); return SCI_FAILURE_INVALID_STATE; @@ -2156,23 +2137,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc sci_change_state(sm, SCIC_INITIALIZING); - sci_init_timer(&scic->phy_timer, phy_startup_timeout); + sci_init_timer(&ihost->phy_timer, phy_startup_timeout); - scic->next_phy_to_start = 0; - scic->phy_startup_timer_pending = false; + ihost->next_phy_to_start = 0; + ihost->phy_startup_timer_pending = false; - scic_sds_controller_initialize_power_control(scic); + scic_sds_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(scic); + scic_sds_controller_afe_initialization(ihost); /* Take the hardware out of reset */ - writel(0, &scic->smu_registers->soft_reset_control); + writel(0, &ihost->smu_registers->soft_reset_control); /* * / @todo Provide meaningfull error code for hardware failure @@ -2182,7 +2163,7 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc /* Loop until the hardware reports success */ udelay(SCU_CONTEXT_RAM_INIT_STALL_TIME); - status = readl(&scic->smu_registers->control_status); + status = readl(&ihost->smu_registers->control_status); if ((status & SCU_RAM_INIT_COMPLETED) == SCU_RAM_INIT_COMPLETED) break; @@ -2193,32 +2174,32 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc /* * Determine what are the actaul device capacities that the * hardware will support */ - val = readl(&scic->smu_registers->device_context_capacity); + val = readl(&ihost->smu_registers->device_context_capacity); /* Record the smaller of the two capacity values */ - scic->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS); - scic->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS); - scic->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES); + ihost->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS); + ihost->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS); + ihost->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES); /* * Make all PEs that are unassigned match up with the * logical ports */ - for (i = 0; i < scic->logical_port_entries; i++) { + for (i = 0; i < ihost->logical_port_entries; i++) { struct scu_port_task_scheduler_group_registers __iomem - *ptsg = &scic->scu_registers->peg0.ptsg; + *ptsg = &ihost->scu_registers->peg0.ptsg; writel(i, &ptsg->protocol_engine[i]); } /* Initialize hardware PCI Relaxed ordering in DMA engines */ - val = readl(&scic->scu_registers->sdma.pdma_configuration); + val = readl(&ihost->scu_registers->sdma.pdma_configuration); val |= SCU_PDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE); - writel(val, &scic->scu_registers->sdma.pdma_configuration); + writel(val, &ihost->scu_registers->sdma.pdma_configuration); - val = readl(&scic->scu_registers->sdma.cdma_configuration); + val = readl(&ihost->scu_registers->sdma.cdma_configuration); val |= SCU_CDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE); - writel(val, &scic->scu_registers->sdma.cdma_configuration); + writel(val, &ihost->scu_registers->sdma.cdma_configuration); /* * Initialize the PHYs before the PORTs because the PHY registers @@ -2226,23 +2207,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc */ for (i = 0; i < SCI_MAX_PHYS; i++) { result = scic_sds_phy_initialize(&ihost->phys[i], - &scic->scu_registers->peg0.pe[i].tl, - &scic->scu_registers->peg0.pe[i].ll); + &ihost->scu_registers->peg0.pe[i].tl, + &ihost->scu_registers->peg0.pe[i].ll); if (result != SCI_SUCCESS) goto out; } - for (i = 0; i < scic->logical_port_entries; i++) { + for (i = 0; i < ihost->logical_port_entries; i++) { result = scic_sds_port_initialize(&ihost->ports[i], - &scic->scu_registers->peg0.ptsg.port[i], - &scic->scu_registers->peg0.ptsg.protocol_engine, - &scic->scu_registers->peg0.viit[i]); + &ihost->scu_registers->peg0.ptsg.port[i], + &ihost->scu_registers->peg0.ptsg.protocol_engine, + &ihost->scu_registers->peg0.viit[i]); if (result != SCI_SUCCESS) goto out; } - result = scic_sds_port_configuration_agent_initialize(scic, &scic->port_agent); + result = scic_sds_port_configuration_agent_initialize(ihost, &ihost->port_agent); out: /* Advance the controller state machine */ @@ -2256,10 +2237,10 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc } static enum sci_status scic_user_parameters_set( - struct scic_sds_controller *scic, + struct isci_host *ihost, union scic_user_parameters *scic_parms) { - u32 state = scic->sm.current_state_id; + u32 state = ihost->sm.current_state_id; if (state == SCIC_RESET || state == SCIC_INITIALIZING || @@ -2301,7 +2282,7 @@ static enum sci_status scic_user_parameters_set( (scic_parms->sds1.no_outbound_task_timeout == 0)) return SCI_FAILURE_INVALID_PARAMETER_VALUE; - memcpy(&scic->user_parameters, scic_parms, sizeof(*scic_parms)); + memcpy(&ihost->user_parameters, scic_parms, sizeof(*scic_parms)); return SCI_SUCCESS; } @@ -2309,40 +2290,40 @@ static enum sci_status scic_user_parameters_set( return SCI_FAILURE_INVALID_STATE; } -static int scic_controller_mem_init(struct scic_sds_controller *scic) +static int scic_controller_mem_init(struct isci_host *ihost) { - struct device *dev = scic_to_dev(scic); + struct device *dev = &ihost->pdev->dev; dma_addr_t dma; size_t size; int err; size = SCU_MAX_COMPLETION_QUEUE_ENTRIES * sizeof(u32); - scic->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL); - if (!scic->completion_queue) + ihost->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL); + if (!ihost->completion_queue) return -ENOMEM; - writel(lower_32_bits(dma), &scic->smu_registers->completion_queue_lower); - writel(upper_32_bits(dma), &scic->smu_registers->completion_queue_upper); + writel(lower_32_bits(dma), &ihost->smu_registers->completion_queue_lower); + writel(upper_32_bits(dma), &ihost->smu_registers->completion_queue_upper); - size = scic->remote_node_entries * sizeof(union scu_remote_node_context); - scic->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma, + size = ihost->remote_node_entries * sizeof(union scu_remote_node_context); + ihost->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL); - if (!scic->remote_node_context_table) + if (!ihost->remote_node_context_table) return -ENOMEM; - writel(lower_32_bits(dma), &scic->smu_registers->remote_node_context_lower); - writel(upper_32_bits(dma), &scic->smu_registers->remote_node_context_upper); + writel(lower_32_bits(dma), &ihost->smu_registers->remote_node_context_lower); + writel(upper_32_bits(dma), &ihost->smu_registers->remote_node_context_upper); - size = scic->task_context_entries * sizeof(struct scu_task_context), - scic->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL); - if (!scic->task_context_table) + size = ihost->task_context_entries * sizeof(struct scu_task_context), + ihost->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL); + if (!ihost->task_context_table) return -ENOMEM; - scic->task_context_dma = dma; - writel(lower_32_bits(dma), &scic->smu_registers->host_task_table_lower); - writel(upper_32_bits(dma), &scic->smu_registers->host_task_table_upper); + ihost->task_context_dma = dma; + 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(scic); + err = scic_sds_unsolicited_frame_control_construct(ihost); if (err) return err; @@ -2350,112 +2331,112 @@ static int scic_controller_mem_init(struct scic_sds_controller *scic) * Inform the silicon as to the location of the UF headers and * address table. */ - writel(lower_32_bits(scic->uf_control.headers.physical_address), - &scic->scu_registers->sdma.uf_header_base_address_lower); - writel(upper_32_bits(scic->uf_control.headers.physical_address), - &scic->scu_registers->sdma.uf_header_base_address_upper); + writel(lower_32_bits(ihost->uf_control.headers.physical_address), + &ihost->scu_registers->sdma.uf_header_base_address_lower); + writel(upper_32_bits(ihost->uf_control.headers.physical_address), + &ihost->scu_registers->sdma.uf_header_base_address_upper); - writel(lower_32_bits(scic->uf_control.address_table.physical_address), - &scic->scu_registers->sdma.uf_address_table_lower); - writel(upper_32_bits(scic->uf_control.address_table.physical_address), - &scic->scu_registers->sdma.uf_address_table_upper); + writel(lower_32_bits(ihost->uf_control.address_table.physical_address), + &ihost->scu_registers->sdma.uf_address_table_lower); + writel(upper_32_bits(ihost->uf_control.address_table.physical_address), + &ihost->scu_registers->sdma.uf_address_table_upper); return 0; } -int isci_host_init(struct isci_host *isci_host) +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 isci_pci_info *pci_info = to_pci_info(isci_host->pdev); + struct isci_pci_info *pci_info = to_pci_info(ihost->pdev); - spin_lock_init(&isci_host->state_lock); - spin_lock_init(&isci_host->scic_lock); - init_waitqueue_head(&isci_host->eventq); + spin_lock_init(&ihost->state_lock); + spin_lock_init(&ihost->scic_lock); + init_waitqueue_head(&ihost->eventq); - isci_host_change_state(isci_host, isci_starting); + isci_host_change_state(ihost, isci_starting); - status = scic_controller_construct(&isci_host->sci, scu_base(isci_host), - smu_base(isci_host)); + status = scic_controller_construct(ihost, scu_base(ihost), + smu_base(ihost)); if (status != SCI_SUCCESS) { - dev_err(&isci_host->pdev->dev, + dev_err(&ihost->pdev->dev, "%s: scic_controller_construct failed - status = %x\n", __func__, status); return -ENODEV; } - isci_host->sas_ha.dev = &isci_host->pdev->dev; - isci_host->sas_ha.lldd_ha = isci_host; + ihost->sas_ha.dev = &ihost->pdev->dev; + ihost->sas_ha.lldd_ha = ihost; /* * grab initial values stored in the controller object for OEM and USER * parameters */ - isci_user_parameters_get(isci_host, &scic_user_params); - status = scic_user_parameters_set(&isci_host->sci, + isci_user_parameters_get(ihost, &scic_user_params); + status = scic_user_parameters_set(ihost, &scic_user_params); if (status != SCI_SUCCESS) { - dev_warn(&isci_host->pdev->dev, + dev_warn(&ihost->pdev->dev, "%s: scic_user_parameters_set failed\n", __func__); return -ENODEV; } - scic_oem_parameters_get(&isci_host->sci, &oem); + scic_oem_parameters_get(ihost, &oem); /* grab any OEM parameters specified in orom */ if (pci_info->orom) { status = isci_parse_oem_parameters(&oem, pci_info->orom, - isci_host->id); + ihost->id); if (status != SCI_SUCCESS) { - dev_warn(&isci_host->pdev->dev, + dev_warn(&ihost->pdev->dev, "parsing firmware oem parameters failed\n"); return -EINVAL; } } - status = scic_oem_parameters_set(&isci_host->sci, &oem); + status = scic_oem_parameters_set(ihost, &oem); if (status != SCI_SUCCESS) { - dev_warn(&isci_host->pdev->dev, + dev_warn(&ihost->pdev->dev, "%s: scic_oem_parameters_set failed\n", __func__); return -ENODEV; } - tasklet_init(&isci_host->completion_tasklet, - isci_host_completion_routine, (unsigned long)isci_host); + tasklet_init(&ihost->completion_tasklet, + isci_host_completion_routine, (unsigned long)ihost); - INIT_LIST_HEAD(&isci_host->requests_to_complete); - INIT_LIST_HEAD(&isci_host->requests_to_errorback); + INIT_LIST_HEAD(&ihost->requests_to_complete); + INIT_LIST_HEAD(&ihost->requests_to_errorback); - spin_lock_irq(&isci_host->scic_lock); - status = scic_controller_initialize(&isci_host->sci); - spin_unlock_irq(&isci_host->scic_lock); + spin_lock_irq(&ihost->scic_lock); + status = scic_controller_initialize(ihost); + spin_unlock_irq(&ihost->scic_lock); if (status != SCI_SUCCESS) { - dev_warn(&isci_host->pdev->dev, + dev_warn(&ihost->pdev->dev, "%s: scic_controller_initialize failed -" " status = 0x%x\n", __func__, status); return -ENODEV; } - err = scic_controller_mem_init(&isci_host->sci); + err = scic_controller_mem_init(ihost); if (err) return err; for (i = 0; i < SCI_MAX_PORTS; i++) - isci_port_init(&isci_host->ports[i], isci_host, i); + isci_port_init(&ihost->ports[i], ihost, i); for (i = 0; i < SCI_MAX_PHYS; i++) - isci_phy_init(&isci_host->phys[i], isci_host, i); + isci_phy_init(&ihost->phys[i], ihost, i); for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) { - struct isci_remote_device *idev = &isci_host->devices[i]; + struct isci_remote_device *idev = &ihost->devices[i]; INIT_LIST_HEAD(&idev->reqs_in_process); INIT_LIST_HEAD(&idev->node); @@ -2465,63 +2446,62 @@ int isci_host_init(struct isci_host *isci_host) struct isci_request *ireq; dma_addr_t dma; - ireq = dmam_alloc_coherent(&isci_host->pdev->dev, + ireq = dmam_alloc_coherent(&ihost->pdev->dev, sizeof(struct isci_request), &dma, GFP_KERNEL); if (!ireq) return -ENOMEM; - ireq->tc = &isci_host->sci.task_context_table[i]; - ireq->owning_controller = &isci_host->sci; + ireq->tc = &ihost->task_context_table[i]; + ireq->owning_controller = ihost; spin_lock_init(&ireq->state_lock); ireq->request_daddr = dma; - ireq->isci_host = isci_host; - - isci_host->reqs[i] = ireq; + ireq->isci_host = ihost; + ihost->reqs[i] = ireq; } return 0; } -void scic_sds_controller_link_up(struct scic_sds_controller *scic, +void scic_sds_controller_link_up(struct isci_host *ihost, struct isci_port *iport, struct isci_phy *iphy) { - switch (scic->sm.current_state_id) { + switch (ihost->sm.current_state_id) { case SCIC_STARTING: - sci_del_timer(&scic->phy_timer); - scic->phy_startup_timer_pending = false; - scic->port_agent.link_up_handler(scic, &scic->port_agent, + 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(scic); + scic_sds_controller_start_next_phy(ihost); break; case SCIC_READY: - scic->port_agent.link_up_handler(scic, &scic->port_agent, + ihost->port_agent.link_up_handler(ihost, &ihost->port_agent, iport, iphy); break; default: - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: SCIC Controller linkup event from phy %d in " "unexpected state %d\n", __func__, iphy->phy_index, - scic->sm.current_state_id); + ihost->sm.current_state_id); } } -void scic_sds_controller_link_down(struct scic_sds_controller *scic, +void scic_sds_controller_link_down(struct isci_host *ihost, struct isci_port *iport, struct isci_phy *iphy) { - switch (scic->sm.current_state_id) { + switch (ihost->sm.current_state_id) { case SCIC_STARTING: case SCIC_READY: - scic->port_agent.link_down_handler(scic, &scic->port_agent, + ihost->port_agent.link_down_handler(ihost, &ihost->port_agent, iport, iphy); break; default: - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: SCIC Controller linkdown event from phy %d in " "unexpected state %d\n", __func__, iphy->phy_index, - scic->sm.current_state_id); + ihost->sm.current_state_id); } } @@ -2530,14 +2510,13 @@ void scic_sds_controller_link_down(struct scic_sds_controller *scic, * controller are still in the stopping state. * */ -static bool scic_sds_controller_has_remote_devices_stopping( - struct scic_sds_controller *controller) +static bool scic_sds_controller_has_remote_devices_stopping(struct isci_host *ihost) { u32 index; - for (index = 0; index < controller->remote_node_entries; index++) { - if ((controller->device_table[index] != NULL) && - (controller->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING)) + for (index = 0; index < ihost->remote_node_entries; index++) { + if ((ihost->device_table[index] != NULL) && + (ihost->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING)) return true; } @@ -2548,20 +2527,20 @@ static bool scic_sds_controller_has_remote_devices_stopping( * 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 scic_sds_controller *scic, +void scic_sds_controller_remote_device_stopped(struct isci_host *ihost, struct isci_remote_device *idev) { - if (scic->sm.current_state_id != SCIC_STOPPING) { - dev_dbg(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_STOPPING) { + dev_dbg(&ihost->pdev->dev, "SCIC Controller 0x%p remote device stopped event " "from device 0x%p in unexpected state %d\n", - scic, idev, - scic->sm.current_state_id); + ihost, idev, + ihost->sm.current_state_id); return; } - if (!scic_sds_controller_has_remote_devices_stopping(scic)) { - sci_change_state(&scic->sm, SCIC_STOPPED); + if (!scic_sds_controller_has_remote_devices_stopping(ihost)) { + sci_change_state(&ihost->sm, SCIC_STOPPED); } } @@ -2573,32 +2552,32 @@ void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic, * */ void scic_sds_controller_post_request( - struct scic_sds_controller *scic, + struct isci_host *ihost, u32 request) { - dev_dbg(scic_to_dev(scic), + dev_dbg(&ihost->pdev->dev, "%s: SCIC Controller 0x%p post request 0x%08x\n", __func__, - scic, + ihost, request); - writel(request, &scic->smu_registers->post_context_port); + writel(request, &ihost->smu_registers->post_context_port); } -struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag) +struct isci_request *scic_request_by_tag(struct isci_host *ihost, u16 io_tag) { u16 task_index; u16 task_sequence; task_index = ISCI_TAG_TCI(io_tag); - if (task_index < scic->task_context_entries) { - struct isci_request *ireq = scic_to_ihost(scic)->reqs[task_index]; + if (task_index < ihost->task_context_entries) { + struct isci_request *ireq = ihost->reqs[task_index]; if (test_bit(IREQ_ACTIVE, &ireq->flags)) { task_sequence = ISCI_TAG_SEQ(io_tag); - if (task_sequence == scic->io_request_sequence[task_index]) + if (task_sequence == ihost->io_request_sequence[task_index]) return ireq; } } @@ -2621,7 +2600,7 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 i * node index available. */ enum sci_status scic_sds_controller_allocate_remote_node_context( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_remote_device *idev, u16 *node_id) { @@ -2629,11 +2608,11 @@ enum sci_status scic_sds_controller_allocate_remote_node_context( 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 + &ihost->available_remote_nodes, remote_node_count ); if (node_index != SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) { - scic->device_table[node_index] = idev; + ihost->device_table[node_index] = idev; *node_id = node_index; @@ -2653,17 +2632,17 @@ enum sci_status scic_sds_controller_allocate_remote_node_context( * */ void scic_sds_controller_free_remote_node_context( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_remote_device *idev, u16 node_id) { u32 remote_node_count = scic_sds_remote_device_node_count(idev); - if (scic->device_table[node_id] == idev) { - scic->device_table[node_id] = NULL; + if (ihost->device_table[node_id] == idev) { + ihost->device_table[node_id] = NULL; scic_sds_remote_node_table_release_remote_node_index( - &scic->available_remote_nodes, remote_node_count, node_id + &ihost->available_remote_nodes, remote_node_count, node_id ); } } @@ -2677,14 +2656,14 @@ void scic_sds_controller_free_remote_node_context( * union scu_remote_node_context* */ union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer( - struct scic_sds_controller *scic, + struct isci_host *ihost, u16 node_id ) { if ( - (node_id < scic->remote_node_entries) - && (scic->device_table[node_id] != NULL) + (node_id < ihost->remote_node_entries) + && (ihost->device_table[node_id] != NULL) ) { - return &scic->remote_node_context_table[node_id]; + return &ihost->remote_node_context_table[node_id]; } return NULL; @@ -2722,13 +2701,13 @@ void scic_sds_controller_copy_sata_response( * */ void scic_sds_controller_release_frame( - struct scic_sds_controller *scic, + struct isci_host *ihost, u32 frame_index) { if (scic_sds_unsolicited_frame_control_release_frame( - &scic->uf_control, frame_index) == true) - writel(scic->uf_control.get, - &scic->scu_registers->sdma.unsolicited_frame_get_pointer); + &ihost->uf_control, frame_index) == true) + writel(ihost->uf_control.get, + &ihost->scu_registers->sdma.unsolicited_frame_get_pointer); } void isci_tci_free(struct isci_host *ihost, u16 tci) @@ -2757,7 +2736,7 @@ u16 isci_alloc_tag(struct isci_host *ihost) { if (isci_tci_space(ihost)) { u16 tci = isci_tci_alloc(ihost); - u8 seq = ihost->sci.io_request_sequence[tci]; + u8 seq = ihost->io_request_sequence[tci]; return ISCI_TAG(seq, tci); } @@ -2767,7 +2746,6 @@ u16 isci_alloc_tag(struct isci_host *ihost) enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) { - struct scic_sds_controller *scic = &ihost->sci; u16 tci = ISCI_TAG_TCI(io_tag); u16 seq = ISCI_TAG_SEQ(io_tag); @@ -2775,8 +2753,8 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) if (isci_tci_active(ihost) == 0) return SCI_FAILURE_INVALID_IO_TAG; - if (seq == scic->io_request_sequence[tci]) { - scic->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1); + if (seq == ihost->io_request_sequence[tci]) { + ihost->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1); isci_tci_free(ihost, tci); @@ -2797,23 +2775,23 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag) * @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 scic_sds_controller *scic, +enum sci_status scic_controller_start_io(struct isci_host *ihost, struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; - if (scic->sm.current_state_id != SCIC_READY) { - dev_warn(scic_to_dev(scic), "invalid state to start I/O"); + if (ihost->sm.current_state_id != SCIC_READY) { + dev_warn(&ihost->pdev->dev, "invalid state to start I/O"); return SCI_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_io(scic, idev, ireq); + status = scic_sds_remote_device_start_io(ihost, idev, ireq); if (status != SCI_SUCCESS) return status; set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq)); + scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq)); return SCI_SUCCESS; } @@ -2834,14 +2812,14 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic, * for the request. Determine the failure situations and return values. */ enum sci_status scic_controller_terminate_request( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; - if (scic->sm.current_state_id != SCIC_READY) { - dev_warn(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_READY) { + dev_warn(&ihost->pdev->dev, "invalid state to terminate request\n"); return SCI_FAILURE_INVALID_STATE; } @@ -2854,7 +2832,7 @@ 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(scic, + scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq) | SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT); return SCI_SUCCESS; @@ -2872,19 +2850,19 @@ enum sci_status scic_controller_terminate_request( * @io_request: the handle to the io request object to complete. */ enum sci_status scic_controller_complete_io( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; u16 index; - switch (scic->sm.current_state_id) { + switch (ihost->sm.current_state_id) { case SCIC_STOPPING: /* XXX: Implement this function */ return SCI_FAILURE; case SCIC_READY: - status = scic_sds_remote_device_complete_io(scic, idev, ireq); + status = scic_sds_remote_device_complete_io(ihost, idev, ireq); if (status != SCI_SUCCESS) return status; @@ -2892,7 +2870,7 @@ enum sci_status scic_controller_complete_io( clear_bit(IREQ_ACTIVE, &ireq->flags); return SCI_SUCCESS; default: - dev_warn(scic_to_dev(scic), "invalid state to complete I/O"); + dev_warn(&ihost->pdev->dev, "invalid state to complete I/O"); return SCI_FAILURE_INVALID_STATE; } @@ -2900,15 +2878,15 @@ enum sci_status scic_controller_complete_io( enum sci_status scic_controller_continue_io(struct isci_request *ireq) { - struct scic_sds_controller *scic = ireq->owning_controller; + struct isci_host *ihost = ireq->owning_controller; - if (scic->sm.current_state_id != SCIC_READY) { - dev_warn(scic_to_dev(scic), "invalid state to continue I/O"); + if (ihost->sm.current_state_id != SCIC_READY) { + dev_warn(&ihost->pdev->dev, "invalid state to continue I/O"); return SCI_FAILURE_INVALID_STATE; } set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq)); + scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq)); return SCI_SUCCESS; } @@ -2922,21 +2900,21 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq) * @task_request: the handle to the task request object to start. */ enum sci_task_status scic_controller_start_task( - struct scic_sds_controller *scic, + struct isci_host *ihost, struct isci_remote_device *idev, struct isci_request *ireq) { enum sci_status status; - if (scic->sm.current_state_id != SCIC_READY) { - dev_warn(scic_to_dev(scic), + if (ihost->sm.current_state_id != SCIC_READY) { + dev_warn(&ihost->pdev->dev, "%s: SCIC Controller starting task from invalid " "state\n", __func__); return SCI_TASK_FAILURE_INVALID_STATE; } - status = scic_sds_remote_device_start_task(scic, idev, ireq); + status = scic_sds_remote_device_start_task(ihost, idev, ireq); switch (status) { case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); @@ -2950,7 +2928,7 @@ enum sci_task_status scic_controller_start_task( case SCI_SUCCESS: set_bit(IREQ_ACTIVE, &ireq->flags); - scic_sds_controller_post_request(scic, + scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq)); break; default: |