}
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;
{
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) {
* 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;
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
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;
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;
}
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);
}
}
}
}
-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;
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;
/*
* / @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;
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;
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);
}
}
-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;
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:
(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__,
/* 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 |
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;
}
/* 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;
}
{
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;
}
* 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;
/*
+ ((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;
*/
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 */
);
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 = (
);
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++) {
* 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;
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 = (
);
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);
}
/**
* 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);
}
* 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;
* 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
*
* 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;
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;
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:
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;
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);
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;
}
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);
}
/**
*/
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;
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,
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,
}
}
- 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) {
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,
* 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);
}
}
* 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;
}
* 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:
* 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;
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);
}
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)
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
* 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;
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;
}
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;
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__,
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);
(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__,
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;
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);
}
}
}
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);
}
*
* 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[] = {
[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);
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__);
* 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++) {
&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)
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 ||
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;
}
}
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;
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);
}
* 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);
*
*/
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++;
}
}
*
*/
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
/* 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);
}
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);
}
* 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;
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
/* 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;
/*
* 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
*/
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 */
}
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 ||
(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;
}
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;
* 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);
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);
}
}
* 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;
}
* 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);
}
}
*
*/
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;
}
}
* 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)
{
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;
*
*/
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
);
}
}
* 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;
*
*/
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)
{
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);
}
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);
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);
* @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;
}
* 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;
}
* 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;
* @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;
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;
}
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;
}
* @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);
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:
return &ireq->sg_table[idx - 2];
}
-static dma_addr_t to_sgl_element_pair_dma(struct scic_sds_controller *scic,
+static dma_addr_t to_sgl_element_pair_dma(struct isci_host *ihost,
struct isci_request *ireq, u32 idx)
{
u32 offset;
if (idx == 0) {
offset = (void *) &ireq->tc->sgl_pair_ab -
- (void *) &scic->task_context_table[0];
- return scic->task_context_dma + offset;
+ (void *) &ihost->task_context_table[0];
+ return ihost->task_context_dma + offset;
} else if (idx == 1) {
offset = (void *) &ireq->tc->sgl_pair_cd -
- (void *) &scic->task_context_table[0];
- return scic->task_context_dma + offset;
+ (void *) &ihost->task_context_table[0];
+ return ihost->task_context_dma + offset;
}
return scic_io_request_get_dma_addr(ireq, &ireq->sg_table[idx - 2]);
static void scic_sds_request_build_sgl(struct isci_request *ireq)
{
- struct isci_host *isci_host = ireq->isci_host;
- struct scic_sds_controller *scic = &isci_host->sci;
+ struct isci_host *ihost = ireq->isci_host;
struct sas_task *task = isci_request_access_task(ireq);
struct scatterlist *sg = NULL;
dma_addr_t dma_addr;
memset(&scu_sg->B, 0, sizeof(scu_sg->B));
if (prev_sg) {
- dma_addr = to_sgl_element_pair_dma(scic,
+ dma_addr = to_sgl_element_pair_dma(ihost,
ireq,
sg_idx);
} else { /* handle when no sg */
scu_sg = to_sgl_element_pair(ireq, sg_idx);
- dma_addr = dma_map_single(&isci_host->pdev->dev,
+ dma_addr = dma_map_single(&ihost->pdev->dev,
task->scatter,
task->total_xfer_len,
task->data_dir);
scu_stp_raw_request_construct_task_context(ireq);
return SCI_SUCCESS;
} else {
- dev_err(scic_to_dev(ireq->owning_controller),
+ dev_err(&ireq->owning_controller->pdev->dev,
"%s: Request 0x%p received un-handled SAT "
"management protocol 0x%x.\n",
__func__, ireq, tmf->tmf_code);
}
if (!sas_protocol_ata(task->task_proto)) {
- dev_err(scic_to_dev(ireq->owning_controller),
+ dev_err(&ireq->owning_controller->pdev->dev,
"%s: Non-ATA protocol in SATA path: 0x%x\n",
__func__,
task->task_proto);
tmf->tmf_code == isci_tmf_sata_srst_low) {
scu_stp_raw_request_construct_task_context(ireq);
} else {
- dev_err(scic_to_dev(ireq->owning_controller),
+ dev_err(&ireq->owning_controller->pdev->dev,
"%s: Request 0x%p received un-handled SAT "
"Protocol 0x%x.\n",
__func__, ireq, tmf->tmf_code);
#define SCU_TASK_CONTEXT_SRAM 0x200000
static u32 sci_req_tx_bytes(struct isci_request *ireq)
{
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
u32 ret_val = 0;
- if (readl(&scic->smu_registers->address_modifier) == 0) {
- void __iomem *scu_reg_base = scic->scu_registers;
+ if (readl(&ihost->smu_registers->address_modifier) == 0) {
+ void __iomem *scu_reg_base = ihost->scu_registers;
/* get the bytes of data from the Address == BAR1 + 20002Ch + (256*TCi) where
* BAR1 is the scu_registers
{
enum sci_base_request_states state;
struct scu_task_context *tc = ireq->tc;
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
state = ireq->sm.current_state_id;
if (state != SCI_REQ_CONSTRUCTED) {
- dev_warn(scic_to_dev(scic),
+ dev_warn(&ihost->pdev->dev,
"%s: SCIC IO Request requested to start while in wrong "
"state %d\n", __func__, state);
return SCI_FAILURE_INVALID_STATE;
return SCI_SUCCESS;
case SCI_REQ_COMPLETED:
default:
- dev_warn(scic_to_dev(ireq->owning_controller),
+ dev_warn(&ireq->owning_controller->pdev->dev,
"%s: SCIC IO Request requested to abort while in wrong "
"state %d\n",
__func__,
enum sci_status scic_sds_request_complete(struct isci_request *ireq)
{
enum sci_base_request_states state;
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
state = ireq->sm.current_state_id;
if (WARN_ONCE(state != SCI_REQ_COMPLETED,
return SCI_FAILURE_INVALID_STATE;
if (ireq->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX)
- scic_sds_controller_release_frame(scic,
+ scic_sds_controller_release_frame(ihost,
ireq->saved_rx_frame_index);
/* XXX can we just stop the machine and remove the 'final' state? */
u32 event_code)
{
enum sci_base_request_states state;
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
state = ireq->sm.current_state_id;
if (state != SCI_REQ_STP_PIO_DATA_IN) {
- dev_warn(scic_to_dev(scic), "%s: (%x) in wrong state %d\n",
+ dev_warn(&ihost->pdev->dev, "%s: (%x) in wrong state %d\n",
__func__, event_code, state);
return SCI_FAILURE_INVALID_STATE;
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
return SCI_SUCCESS;
default:
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: pio request unexpected event %#x\n",
__func__, event_code);
* There is a potential for receiving multiple task responses if
* we decide to send the task IU again.
*/
- dev_warn(scic_to_dev(ireq->owning_controller),
+ dev_warn(&ireq->owning_controller->pdev->dev,
"%s: TaskRequest:0x%p CompletionCode:%x - "
"ACK/NAK timeout\n", __func__, ireq,
completion_code);
* response within 2 ms. This causes our hardware break
* the connection and set TC completion with one of
* these SMP_XXX_XX_ERR status. For these type of error,
- * we ask scic user to retry the request.
+ * we ask ihost user to retry the request.
*/
scic_sds_request_set_status(ireq, SCU_TASK_DONE_SMP_RESP_TO_ERR,
SCI_FAILURE_RETRY_REQUIRED);
static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct isci_request *ireq,
u32 frame_index)
{
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
struct dev_to_host_fis *frame_header;
enum sci_status status;
u32 *frame_buffer;
- status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_header);
if ((status == SCI_SUCCESS) &&
(frame_header->fis_type == FIS_REGD2H)) {
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
frame_buffer);
}
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
scic_sds_io_request_frame_handler(struct isci_request *ireq,
u32 frame_index)
{
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
struct isci_stp_request *stp_req = &ireq->stp.req;
enum sci_base_request_states state;
enum sci_status status;
struct ssp_frame_hdr ssp_hdr;
void *frame_header;
- scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
&frame_header);
struct ssp_response_iu *resp_iu;
ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&resp_iu);
SCI_SUCCESS);
} else {
/* not a response frame, why did it get forwarded? */
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC IO Request 0x%p received unexpected "
"frame %d type 0x%02x\n", __func__, ireq,
frame_index, ssp_hdr.frame_type);
* In any case we are done with this frame buffer return it to
* the controller
*/
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return SCI_SUCCESS;
}
case SCI_REQ_TASK_WAIT_TC_RESP:
scic_sds_io_request_copy_response(ireq);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
- scic_sds_controller_release_frame(scic,frame_index);
+ scic_sds_controller_release_frame(ihost,frame_index);
return SCI_SUCCESS;
case SCI_REQ_SMP_WAIT_RESP: {
struct smp_resp *rsp_hdr = &ireq->smp.rsp;
void *frame_header;
- scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
&frame_header);
if (rsp_hdr->frame_type == SMP_RESPONSE) {
void *smp_resp;
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
&smp_resp);
* This was not a response frame why did it get
* forwarded?
*/
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC SMP Request 0x%p received unexpected "
"frame %d type 0x%02x\n",
__func__,
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
}
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return SCI_SUCCESS;
}
struct dev_to_host_fis *frame_header;
u32 *frame_buffer;
- status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_header);
if (status != SCI_SUCCESS) {
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC IO Request 0x%p could not get frame "
"header for frame index %d, status %x\n",
__func__,
switch (frame_header->fis_type) {
case FIS_REGD2H:
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
break;
default:
- dev_warn(scic_to_dev(scic),
+ dev_warn(&ihost->pdev->dev,
"%s: IO Request:0x%p Frame Id:%d protocol "
"violation occurred\n", __func__, stp_req,
frame_index);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
/* Frame has been decoded return it to the controller */
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
struct dev_to_host_fis *frame_header;
u32 *frame_buffer;
- status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_header);
if (status != SCI_SUCCESS) {
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC IO Request 0x%p could not get frame "
"header for frame index %d, status %x\n",
__func__, stp_req, frame_index, status);
switch (frame_header->fis_type) {
case FIS_PIO_SETUP:
/* Get from the frame buffer the PIO Setup Data */
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
* FIS when it is still busy? Do nothing since
* we are still in the right state.
*/
- dev_dbg(scic_to_dev(scic),
+ dev_dbg(&ihost->pdev->dev,
"%s: SCIC PIO Request 0x%p received "
"D2H Register FIS with BSY status "
"0x%x\n",
break;
}
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
}
/* Frame is decoded return it to the controller */
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
struct dev_to_host_fis *frame_header;
struct sata_fis_data *frame_buffer;
- status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_header);
if (status != SCI_SUCCESS) {
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC IO Request 0x%p could not get frame "
"header for frame index %d, status %x\n",
__func__,
}
if (frame_header->fis_type != FIS_DATA) {
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC PIO Request 0x%p received frame %d "
"with fis type 0x%02x when expecting a data "
"fis.\n",
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
/* Frame is decoded return it to the controller */
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
ireq->saved_rx_frame_index = frame_index;
stp_req->pio_len = 0;
} else {
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
(u8 *)frame_buffer);
/* Frame is decoded return it to the controller */
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
}
/* Check for the end of the transfer, are there more
struct dev_to_host_fis *frame_header;
u32 *frame_buffer;
- status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
+ status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_header);
if (status != SCI_SUCCESS) {
- dev_err(scic_to_dev(scic),
+ dev_err(&ihost->pdev->dev,
"%s: SCIC IO Request 0x%p could not get frame "
"header for frame index %d, status %x\n",
__func__,
switch (frame_header->fis_type) {
case FIS_REGD2H:
- scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
+ scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&frame_buffer);
break;
default:
- dev_warn(scic_to_dev(scic),
+ dev_warn(&ihost->pdev->dev,
"%s: IO Request:0x%p Frame Id:%d protocol "
"violation occurred\n",
__func__,
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
/* Frame has been decoded return it to the controller */
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
* TODO: Is it even possible to get an unsolicited frame in the
* aborting state?
*/
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return SCI_SUCCESS;
default:
- dev_warn(scic_to_dev(scic),
+ dev_warn(&ihost->pdev->dev,
"%s: SCIC IO Request given unexpected frame %x while "
"in state %d\n",
__func__,
frame_index,
state);
- scic_sds_controller_release_frame(scic, frame_index);
+ scic_sds_controller_release_frame(ihost, frame_index);
return SCI_FAILURE_INVALID_STATE;
}
}
u32 completion_code)
{
enum sci_base_request_states state;
- struct scic_sds_controller *scic = ireq->owning_controller;
+ struct isci_host *ihost = ireq->owning_controller;
state = ireq->sm.current_state_id;
completion_code);
default:
- dev_warn(scic_to_dev(scic),
+ dev_warn(&ihost->pdev->dev,
"%s: SCIC IO Request given task completion "
"notification %x while in wrong state %d\n",
__func__,
}
}
-static void isci_request_io_request_complete(struct isci_host *isci_host,
+static void isci_request_io_request_complete(struct isci_host *ihost,
struct isci_request *request,
enum sci_io_status completion_status)
{
enum isci_completion_selection complete_to_host
= isci_perform_normal_io_completion;
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: request = %p, task = %p,\n"
"task->data_dir = %d completion_status = 0x%x\n",
__func__,
switch (completion_status) {
case SCI_IO_FAILURE_RESPONSE_VALID:
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: SCI_IO_FAILURE_RESPONSE_VALID (%p/%p)\n",
__func__,
request,
/* crack the iu response buffer. */
resp_iu = &request->ssp.rsp;
isci_request_process_response_iu(task, resp_iu,
- &isci_host->pdev->dev);
+ &ihost->pdev->dev);
} else if (SAS_PROTOCOL_SMP == task->task_proto) {
- dev_err(&isci_host->pdev->dev,
+ dev_err(&ihost->pdev->dev,
"%s: SCI_IO_FAILURE_RESPONSE_VALID: "
"SAS_PROTOCOL_SMP protocol\n",
__func__);
} else
- dev_err(&isci_host->pdev->dev,
+ dev_err(&ihost->pdev->dev,
"%s: unknown protocol\n", __func__);
/* use the task status set in the task struct by the
if (task->task_proto == SAS_PROTOCOL_SMP) {
void *rsp = &request->smp.rsp;
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: SMP protocol completion\n",
__func__);
if (task->task_status.residual != 0)
status = SAS_DATA_UNDERRUN;
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: SCI_IO_SUCCESS_IO_DONE_EARLY %d\n",
__func__,
status);
} else
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: SCI_IO_SUCCESS\n",
__func__);
break;
case SCI_IO_FAILURE_TERMINATED:
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: SCI_IO_FAILURE_TERMINATED (%p/%p)\n",
__func__,
request,
default:
/* Catch any otherwise unhandled error codes here. */
- dev_warn(&isci_host->pdev->dev,
+ dev_warn(&ihost->pdev->dev,
"%s: invalid completion code: 0x%x - "
"isci_request = %p\n",
__func__, completion_status, request);
break;
if (task->num_scatter == 0)
/* 0 indicates a single dma address */
- dma_unmap_single(&isci_host->pdev->dev,
+ dma_unmap_single(&ihost->pdev->dev,
request->zero_scatter_daddr,
task->total_xfer_len, task->data_dir);
else /* unmap the sgl dma addresses */
- dma_unmap_sg(&isci_host->pdev->dev, task->scatter,
+ dma_unmap_sg(&ihost->pdev->dev, task->scatter,
request->num_sg_entries, task->data_dir);
break;
case SAS_PROTOCOL_SMP: {
struct smp_req *smp_req;
void *kaddr;
- dma_unmap_sg(&isci_host->pdev->dev, sg, 1, DMA_TO_DEVICE);
+ dma_unmap_sg(&ihost->pdev->dev, sg, 1, DMA_TO_DEVICE);
/* need to swab it back in case the command buffer is re-used */
kaddr = kmap_atomic(sg_page(sg), KM_IRQ0);
}
/* Put the completed request on the correct list */
- isci_task_save_for_upper_layer_completion(isci_host, request, response,
+ isci_task_save_for_upper_layer_completion(ihost, request, response,
status, complete_to_host
);
/* complete the io request to the core. */
- scic_controller_complete_io(&isci_host->sci,
- request->target_device,
- request);
+ scic_controller_complete_io(ihost, request->target_device, request);
isci_put_device(idev);
/* set terminated handle so it cannot be completed or
static void scic_sds_request_completed_state_enter(struct sci_base_state_machine *sm)
{
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
- struct scic_sds_controller *scic = ireq->owning_controller;
- struct isci_host *ihost = scic_to_ihost(scic);
+ struct isci_host *ihost = ireq->owning_controller;
/* Tell the SCI_USER that the IO request is complete */
if (!test_bit(IREQ_TMF, &ireq->flags))
};
static void
-scic_sds_general_request_construct(struct scic_sds_controller *scic,
+scic_sds_general_request_construct(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
}
static enum sci_status
-scic_io_request_construct(struct scic_sds_controller *scic,
+scic_io_request_construct(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
enum sci_status status = SCI_SUCCESS;
/* Build the common part of the request */
- scic_sds_general_request_construct(scic, idev, ireq);
+ scic_sds_general_request_construct(ihost, idev, ireq);
if (idev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX)
return SCI_FAILURE_INVALID_REMOTE_DEVICE;
return status;
}
-enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
+enum sci_status scic_task_request_construct(struct isci_host *ihost,
struct isci_remote_device *idev,
u16 io_tag, struct isci_request *ireq)
{
enum sci_status status = SCI_SUCCESS;
/* Build the common part of the request */
- scic_sds_general_request_construct(scic, idev, ireq);
+ scic_sds_general_request_construct(ihost, idev, ireq);
if (dev->dev_type == SAS_END_DEV ||
dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
task_context->initiator_request = 1;
task_context->connection_rate = idev->connection_rate;
task_context->protocol_engine_index =
- scic_sds_controller_get_protocol_engine_group(scic);
+ scic_sds_controller_get_protocol_engine_group(ihost);
task_context->logical_port_index = scic_sds_port_get_index(iport);
task_context->protocol_type = SCU_TASK_CONTEXT_PROTOCOL_SMP;
task_context->abort = 0;
task_context->task_phase = 0;
ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
- (scic_sds_controller_get_protocol_engine_group(scic) <<
+ (scic_sds_controller_get_protocol_engine_group(ihost) <<
SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) |
(scic_sds_port_get_index(iport) <<
SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) |
/**
* isci_io_request_build() - This function builds the io request object.
- * @isci_host: This parameter specifies the ISCI host object
+ * @ihost: This parameter specifies the ISCI host object
* @request: This parameter points to the isci_request object allocated in the
* request construct function.
* @sci_device: This parameter is the handle for the sci core's remote device
*
* SCI_SUCCESS on successfull completion, or specific failure code.
*/
-static enum sci_status isci_io_request_build(struct isci_host *isci_host,
+static enum sci_status isci_io_request_build(struct isci_host *ihost,
struct isci_request *request,
struct isci_remote_device *idev)
{
enum sci_status status = SCI_SUCCESS;
struct sas_task *task = isci_request_access_task(request);
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: idev = 0x%p; request = %p, "
"num_scatter = %d\n",
__func__,
!(SAS_PROTOCOL_SMP & task->task_proto)) {
request->num_sg_entries = dma_map_sg(
- &isci_host->pdev->dev,
+ &ihost->pdev->dev,
task->scatter,
task->num_scatter,
task->data_dir
return SCI_FAILURE_INSUFFICIENT_RESOURCES;
}
- status = scic_io_request_construct(&isci_host->sci, idev, request);
+ status = scic_io_request_construct(ihost, idev, request);
if (status != SCI_SUCCESS) {
- dev_warn(&isci_host->pdev->dev,
+ dev_warn(&ihost->pdev->dev,
"%s: failed request construct\n",
__func__);
return SCI_FAILURE;
status = isci_request_stp_request_construct(request);
break;
default:
- dev_warn(&isci_host->pdev->dev,
+ dev_warn(&ihost->pdev->dev,
"%s: unknown protocol\n", __func__);
return SCI_FAILURE;
}
* request was built that way (ie.
* ireq->is_task_management_request is false).
*/
- status = scic_controller_start_task(&ihost->sci,
+ status = scic_controller_start_task(ihost,
idev,
ireq);
} else {
}
} else {
/* send the request, let the core assign the IO TAG. */
- status = scic_controller_start_io(&ihost->sci, idev,
+ status = scic_controller_start_io(ihost, idev,
ireq);
}
projects / mirror_ubuntu-kernels.git / commitdiff