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Commit d9dcb4ba authored by Dan Williams's avatar Dan Williams
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isci: unify isci_host and scic_sds_controller 

Remove the distinction between these two implementations and unify on
isci_host (local instances named ihost).  Hmmm, we had two
'oem_parameters' instances, one was unused... nice.
Reported-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent 78a6f06e
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Showing with 806 additions and 985 deletions
drivers/scsi/isci/host.c
View file @ d9dcb4ba
......@@ -181,35 +181,35 @@ void sci_change_state(struct sci_base_state_machine *sm, u32 next_state)
}
static bool scic_sds_controller_completion_queue_has_entries(
struct scic_sds_controller *scic)
struct isci_host *ihost)
{
u32 get_value = scic->completion_queue_get;
u32 get_value = ihost->completion_queue_get;
u32 get_index = get_value & SMU_COMPLETION_QUEUE_GET_POINTER_MASK;
if (NORMALIZE_GET_POINTER_CYCLE_BIT(get_value) ==
COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index]))
COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index]))
return true;
return false;
}
static bool scic_sds_controller_isr(struct scic_sds_controller *scic)
static bool scic_sds_controller_isr(struct isci_host *ihost)
{
if (scic_sds_controller_completion_queue_has_entries(scic)) {
if (scic_sds_controller_completion_queue_has_entries(ihost)) {
return true;
} else {
/*
* we have a spurious interrupt it could be that we have already
* emptied the completion queue from a previous interrupt */
writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
/*
* There is a race in the hardware that could cause us not to be notified
* of an interrupt completion if we do not take this step. We will mask
* then unmask the interrupts so if there is another interrupt pending
* the clearing of the interrupt source we get the next interrupt message. */
writel(0xFF000000, &scic->smu_registers->interrupt_mask);
writel(0, &scic->smu_registers->interrupt_mask);
writel(0xFF000000, &ihost->smu_registers->interrupt_mask);
writel(0, &ihost->smu_registers->interrupt_mask);
}
return false;
......@@ -219,18 +219,18 @@ irqreturn_t isci_msix_isr(int vec, void *data)
{
struct isci_host *ihost = data;
if (scic_sds_controller_isr(&ihost->sci))
if (scic_sds_controller_isr(ihost))
tasklet_schedule(&ihost->completion_tasklet);
return IRQ_HANDLED;
}
static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic)
static bool scic_sds_controller_error_isr(struct isci_host *ihost)
{
u32 interrupt_status;
interrupt_status =
readl(&scic->smu_registers->interrupt_status);
readl(&ihost->smu_registers->interrupt_status);
interrupt_status &= (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND);
if (interrupt_status != 0) {
......@@ -246,28 +246,27 @@ static bool scic_sds_controller_error_isr(struct scic_sds_controller *scic)
* then unmask the error interrupts so if there was another interrupt
* pending we will be notified.
* Could we write the value of (SMU_ISR_QUEUE_ERROR | SMU_ISR_QUEUE_SUSPEND)? */
writel(0xff, &scic->smu_registers->interrupt_mask);
writel(0, &scic->smu_registers->interrupt_mask);
writel(0xff, &ihost->smu_registers->interrupt_mask);
writel(0, &ihost->smu_registers->interrupt_mask);
return false;
}
static void scic_sds_controller_task_completion(struct scic_sds_controller *scic,
static void scic_sds_controller_task_completion(struct isci_host *ihost,
u32 completion_entry)
{
u32 index = SCU_GET_COMPLETION_INDEX(completion_entry);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_request *ireq = ihost->reqs[index];
/* Make sure that we really want to process this IO request */
if (test_bit(IREQ_ACTIVE, &ireq->flags) &&
ireq->io_tag != SCI_CONTROLLER_INVALID_IO_TAG &&
ISCI_TAG_SEQ(ireq->io_tag) == scic->io_request_sequence[index])
ISCI_TAG_SEQ(ireq->io_tag) == ihost->io_request_sequence[index])
/* Yep this is a valid io request pass it along to the io request handler */
scic_sds_io_request_tc_completion(ireq, completion_entry);
}
static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic,
static void scic_sds_controller_sdma_completion(struct isci_host *ihost,
u32 completion_entry)
{
u32 index;
......@@ -279,8 +278,8 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic
switch (scu_get_command_request_type(completion_entry)) {
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC:
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_TC:
ireq = scic_to_ihost(scic)->reqs[index];
dev_warn(scic_to_dev(scic), "%s: %x for io request %p\n",
ireq = ihost->reqs[index];
dev_warn(&ihost->pdev->dev, "%s: %x for io request %p\n",
__func__, completion_entry, ireq);
/* @todo For a post TC operation we need to fail the IO
* request
......@@ -289,27 +288,26 @@ static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_RNC:
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_OTHER_RNC:
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_RNC:
idev = scic->device_table[index];
dev_warn(scic_to_dev(scic), "%s: %x for device %p\n",
idev = ihost->device_table[index];
dev_warn(&ihost->pdev->dev, "%s: %x for device %p\n",
__func__, completion_entry, idev);
/* @todo For a port RNC operation we need to fail the
* device
*/
break;
default:
dev_warn(scic_to_dev(scic), "%s: unknown completion type %x\n",
dev_warn(&ihost->pdev->dev, "%s: unknown completion type %x\n",
__func__, completion_entry);
break;
}
}
static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *scic,
static void scic_sds_controller_unsolicited_frame(struct isci_host *ihost,
u32 completion_entry)
{
u32 index;
u32 frame_index;
struct isci_host *ihost = scic_to_ihost(scic);
struct scu_unsolicited_frame_header *frame_header;
struct isci_phy *iphy;
struct isci_remote_device *idev;
......@@ -318,15 +316,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
frame_index = SCU_GET_FRAME_INDEX(completion_entry);
frame_header = scic->uf_control.buffers.array[frame_index].header;
scic->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE;
frame_header = ihost->uf_control.buffers.array[frame_index].header;
ihost->uf_control.buffers.array[frame_index].state = UNSOLICITED_FRAME_IN_USE;
if (SCU_GET_FRAME_ERROR(completion_entry)) {
/*
* / @todo If the IAF frame or SIGNATURE FIS frame has an error will
* / this cause a problem? We expect the phy initialization will
* / fail if there is an error in the frame. */
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return;
}
......@@ -347,15 +345,15 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
iphy = &ihost->phys[index];
result = scic_sds_phy_frame_handler(iphy, frame_index);
} else {
if (index < scic->remote_node_entries)
idev = scic->device_table[index];
if (index < ihost->remote_node_entries)
idev = ihost->device_table[index];
else
idev = NULL;
if (idev != NULL)
result = scic_sds_remote_device_frame_handler(idev, frame_index);
else
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
}
}
......@@ -366,10 +364,9 @@ static void scic_sds_controller_unsolicited_frame(struct scic_sds_controller *sc
}
}
static void scic_sds_controller_event_completion(struct scic_sds_controller *scic,
static void scic_sds_controller_event_completion(struct isci_host *ihost,
u32 completion_entry)
{
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_remote_device *idev;
struct isci_request *ireq;
struct isci_phy *iphy;
......@@ -380,11 +377,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
switch (scu_get_event_type(completion_entry)) {
case SCU_EVENT_TYPE_SMU_COMMAND_ERROR:
/* / @todo The driver did something wrong and we need to fix the condtion. */
dev_err(scic_to_dev(scic),
dev_err(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p received SMU command error "
"0x%x\n",
__func__,
scic,
ihost,
completion_entry);
break;
......@@ -394,11 +391,11 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
/*
* / @todo This is a hardware failure and its likely that we want to
* / reset the controller. */
dev_err(scic_to_dev(scic),
dev_err(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p received fatal controller "
"event 0x%x\n",
__func__,
scic,
ihost,
completion_entry);
break;
......@@ -415,27 +412,27 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
if (ireq != NULL)
scic_sds_io_request_event_handler(ireq, completion_entry);
else
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p received "
"event 0x%x for io request object "
"that doesnt exist.\n",
__func__,
scic,
ihost,
completion_entry);
break;
case SCU_EVENT_SPECIFIC_IT_NEXUS_TIMEOUT:
idev = scic->device_table[index];
idev = ihost->device_table[index];
if (idev != NULL)
scic_sds_remote_device_event_handler(idev, completion_entry);
else
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p received "
"event 0x%x for remote device object "
"that doesnt exist.\n",
__func__,
scic,
ihost,
completion_entry);
break;
......@@ -459,25 +456,25 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
case SCU_EVENT_TYPE_RNC_SUSPEND_TX:
case SCU_EVENT_TYPE_RNC_SUSPEND_TX_RX:
case SCU_EVENT_TYPE_RNC_OPS_MISC:
if (index < scic->remote_node_entries) {
idev = scic->device_table[index];
if (index < ihost->remote_node_entries) {
idev = ihost->device_table[index];
if (idev != NULL)
scic_sds_remote_device_event_handler(idev, completion_entry);
} else
dev_err(scic_to_dev(scic),
dev_err(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p received event 0x%x "
"for remote device object 0x%0x that doesnt "
"exist.\n",
__func__,
scic,
ihost,
completion_entry,
index);
break;
default:
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: SCIC Controller received unknown event code %x\n",
__func__,
completion_entry);
......@@ -485,7 +482,7 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
}
}
static void scic_sds_controller_process_completions(struct scic_sds_controller *scic)
static void scic_sds_controller_process_completions(struct isci_host *ihost)
{
u32 completion_count = 0;
u32 completion_entry;
......@@ -494,47 +491,47 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
u32 event_get;
u32 event_cycle;
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: completion queue begining get:0x%08x\n",
__func__,
scic->completion_queue_get);
ihost->completion_queue_get);
/* Get the component parts of the completion queue */
get_index = NORMALIZE_GET_POINTER(scic->completion_queue_get);
get_cycle = SMU_CQGR_CYCLE_BIT & scic->completion_queue_get;
get_index = NORMALIZE_GET_POINTER(ihost->completion_queue_get);
get_cycle = SMU_CQGR_CYCLE_BIT & ihost->completion_queue_get;
event_get = NORMALIZE_EVENT_POINTER(scic->completion_queue_get);
event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & scic->completion_queue_get;
event_get = NORMALIZE_EVENT_POINTER(ihost->completion_queue_get);
event_cycle = SMU_CQGR_EVENT_CYCLE_BIT & ihost->completion_queue_get;
while (
NORMALIZE_GET_POINTER_CYCLE_BIT(get_cycle)
== COMPLETION_QUEUE_CYCLE_BIT(scic->completion_queue[get_index])
== COMPLETION_QUEUE_CYCLE_BIT(ihost->completion_queue[get_index])
) {
completion_count++;
completion_entry = scic->completion_queue[get_index];
completion_entry = ihost->completion_queue[get_index];
/* increment the get pointer and check for rollover to toggle the cycle bit */
get_cycle ^= ((get_index+1) & SCU_MAX_COMPLETION_QUEUE_ENTRIES) <<
(SMU_COMPLETION_QUEUE_GET_CYCLE_BIT_SHIFT - SCU_MAX_COMPLETION_QUEUE_SHIFT);
get_index = (get_index+1) & (SCU_MAX_COMPLETION_QUEUE_ENTRIES-1);
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: completion queue entry:0x%08x\n",
__func__,
completion_entry);
switch (SCU_GET_COMPLETION_TYPE(completion_entry)) {
case SCU_COMPLETION_TYPE_TASK:
scic_sds_controller_task_completion(scic, completion_entry);
scic_sds_controller_task_completion(ihost, completion_entry);
break;
case SCU_COMPLETION_TYPE_SDMA:
scic_sds_controller_sdma_completion(scic, completion_entry);
scic_sds_controller_sdma_completion(ihost, completion_entry);
break;
case SCU_COMPLETION_TYPE_UFI:
scic_sds_controller_unsolicited_frame(scic, completion_entry);
scic_sds_controller_unsolicited_frame(ihost, completion_entry);
break;
case SCU_COMPLETION_TYPE_EVENT:
......@@ -543,11 +540,11 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
(SMU_COMPLETION_QUEUE_GET_EVENT_CYCLE_BIT_SHIFT - SCU_MAX_EVENTS_SHIFT);
event_get = (event_get+1) & (SCU_MAX_EVENTS-1);
scic_sds_controller_event_completion(scic, completion_entry);
scic_sds_controller_event_completion(ihost, completion_entry);
break;
}
default:
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: SCIC Controller received unknown "
"completion type %x\n",
__func__,
......@@ -558,7 +555,7 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
/* Update the get register if we completed one or more entries */
if (completion_count > 0) {
scic->completion_queue_get =
ihost->completion_queue_get =
SMU_CQGR_GEN_BIT(ENABLE) |
SMU_CQGR_GEN_BIT(EVENT_ENABLE) |
event_cycle |
......@@ -566,35 +563,35 @@ static void scic_sds_controller_process_completions(struct scic_sds_controller *
get_cycle |
SMU_CQGR_GEN_VAL(POINTER, get_index);
writel(scic->completion_queue_get,
&scic->smu_registers->completion_queue_get);
writel(ihost->completion_queue_get,
&ihost->smu_registers->completion_queue_get);
}
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: completion queue ending get:0x%08x\n",
__func__,
scic->completion_queue_get);
ihost->completion_queue_get);
}
static void scic_sds_controller_error_handler(struct scic_sds_controller *scic)
static void scic_sds_controller_error_handler(struct isci_host *ihost)
{
u32 interrupt_status;
interrupt_status =
readl(&scic->smu_registers->interrupt_status);
readl(&ihost->smu_registers->interrupt_status);
if ((interrupt_status & SMU_ISR_QUEUE_SUSPEND) &&
scic_sds_controller_completion_queue_has_entries(scic)) {
scic_sds_controller_completion_queue_has_entries(ihost)) {
scic_sds_controller_process_completions(scic);
writel(SMU_ISR_QUEUE_SUSPEND, &scic->smu_registers->interrupt_status);
scic_sds_controller_process_completions(ihost);
writel(SMU_ISR_QUEUE_SUSPEND, &ihost->smu_registers->interrupt_status);
} else {
dev_err(scic_to_dev(scic), "%s: status: %#x\n", __func__,
dev_err(&ihost->pdev->dev, "%s: status: %#x\n", __func__,
interrupt_status);
sci_change_state(&scic->sm, SCIC_FAILED);
sci_change_state(&ihost->sm, SCIC_FAILED);
return;
}
......@@ -602,22 +599,21 @@ static void scic_sds_controller_error_handler(struct scic_sds_controller *scic)
/* If we dont process any completions I am not sure that we want to do this.
* We are in the middle of a hardware fault and should probably be reset.
*/
writel(0, &scic->smu_registers->interrupt_mask);
writel(0, &ihost->smu_registers->interrupt_mask);
}
irqreturn_t isci_intx_isr(int vec, void *data)
{
irqreturn_t ret = IRQ_NONE;
struct isci_host *ihost = data;
struct scic_sds_controller *scic = &ihost->sci;
if (scic_sds_controller_isr(scic)) {
writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
if (scic_sds_controller_isr(ihost)) {
writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
tasklet_schedule(&ihost->completion_tasklet);
ret = IRQ_HANDLED;
} else if (scic_sds_controller_error_isr(scic)) {
} else if (scic_sds_controller_error_isr(ihost)) {
spin_lock(&ihost->scic_lock);
scic_sds_controller_error_handler(scic);
scic_sds_controller_error_handler(ihost);
spin_unlock(&ihost->scic_lock);
ret = IRQ_HANDLED;
}
......@@ -629,8 +625,8 @@ irqreturn_t isci_error_isr(int vec, void *data)
{
struct isci_host *ihost = data;
if (scic_sds_controller_error_isr(&ihost->sci))
scic_sds_controller_error_handler(&ihost->sci);
if (scic_sds_controller_error_isr(ihost))
scic_sds_controller_error_handler(ihost);
return IRQ_HANDLED;
}
......@@ -685,11 +681,10 @@ int isci_host_scan_finished(struct Scsi_Host *shost, unsigned long time)
* This method returns the number of milliseconds for the suggested start
* operation timeout.
*/
static u32 scic_controller_get_suggested_start_timeout(
struct scic_sds_controller *sc)
static u32 scic_controller_get_suggested_start_timeout(struct isci_host *ihost)
{
/* Validate the user supplied parameters. */
if (sc == NULL)
if (!ihost)
return 0;
/*
......@@ -711,35 +706,32 @@ static u32 scic_controller_get_suggested_start_timeout(
+ ((SCI_MAX_PHYS - 1) * SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
}
static void scic_controller_enable_interrupts(
struct scic_sds_controller *scic)
static void scic_controller_enable_interrupts(struct isci_host *ihost)
{
BUG_ON(scic->smu_registers == NULL);
writel(0, &scic->smu_registers->interrupt_mask);
BUG_ON(ihost->smu_registers == NULL);
writel(0, &ihost->smu_registers->interrupt_mask);
}
void scic_controller_disable_interrupts(
struct scic_sds_controller *scic)
void scic_controller_disable_interrupts(struct isci_host *ihost)
{
BUG_ON(scic->smu_registers == NULL);
writel(0xffffffff, &scic->smu_registers->interrupt_mask);
BUG_ON(ihost->smu_registers == NULL);
writel(0xffffffff, &ihost->smu_registers->interrupt_mask);
}
static void scic_sds_controller_enable_port_task_scheduler(
struct scic_sds_controller *scic)
static void scic_sds_controller_enable_port_task_scheduler(struct isci_host *ihost)
{
u32 port_task_scheduler_value;
port_task_scheduler_value =
readl(&scic->scu_registers->peg0.ptsg.control);
readl(&ihost->scu_registers->peg0.ptsg.control);
port_task_scheduler_value |=
(SCU_PTSGCR_GEN_BIT(ETM_ENABLE) |
SCU_PTSGCR_GEN_BIT(PTSG_ENABLE));
writel(port_task_scheduler_value,
&scic->scu_registers->peg0.ptsg.control);
&ihost->scu_registers->peg0.ptsg.control);
}
static void scic_sds_controller_assign_task_entries(struct scic_sds_controller *scic)
static void scic_sds_controller_assign_task_entries(struct isci_host *ihost)
{
u32 task_assignment;
......@@ -749,32 +741,32 @@ static void scic_sds_controller_assign_task_entries(struct scic_sds_controller *
*/
task_assignment =
readl(&scic->smu_registers->task_context_assignment[0]);
readl(&ihost->smu_registers->task_context_assignment[0]);
task_assignment |= (SMU_TCA_GEN_VAL(STARTING, 0)) |
(SMU_TCA_GEN_VAL(ENDING, scic->task_context_entries - 1)) |
(SMU_TCA_GEN_VAL(ENDING, ihost->task_context_entries - 1)) |
(SMU_TCA_GEN_BIT(RANGE_CHECK_ENABLE));
writel(task_assignment,
&scic->smu_registers->task_context_assignment[0]);
&ihost->smu_registers->task_context_assignment[0]);
}
static void scic_sds_controller_initialize_completion_queue(struct scic_sds_controller *scic)
static void scic_sds_controller_initialize_completion_queue(struct isci_host *ihost)
{
u32 index;
u32 completion_queue_control_value;
u32 completion_queue_get_value;
u32 completion_queue_put_value;
scic->completion_queue_get = 0;
ihost->completion_queue_get = 0;
completion_queue_control_value =
(SMU_CQC_QUEUE_LIMIT_SET(SCU_MAX_COMPLETION_QUEUE_ENTRIES - 1) |
SMU_CQC_EVENT_LIMIT_SET(SCU_MAX_EVENTS - 1));
writel(completion_queue_control_value,
&scic->smu_registers->completion_queue_control);
&ihost->smu_registers->completion_queue_control);
/* Set the completion queue get pointer and enable the queue */
......@@ -786,7 +778,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
);
writel(completion_queue_get_value,
&scic->smu_registers->completion_queue_get);
&ihost->smu_registers->completion_queue_get);
/* Set the completion queue put pointer */
completion_queue_put_value = (
......@@ -795,7 +787,7 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
);
writel(completion_queue_put_value,
&scic->smu_registers->completion_queue_put);
&ihost->smu_registers->completion_queue_put);
/* Initialize the cycle bit of the completion queue entries */
for (index = 0; index < SCU_MAX_COMPLETION_QUEUE_ENTRIES; index++) {
......@@ -803,11 +795,11 @@ static void scic_sds_controller_initialize_completion_queue(struct scic_sds_cont
* If get.cycle_bit != completion_queue.cycle_bit
* its not a valid completion queue entry
* so at system start all entries are invalid */
scic->completion_queue[index] = 0x80000000;
ihost->completion_queue[index] = 0x80000000;
}
}
static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_sds_controller *scic)
static void scic_sds_controller_initialize_unsolicited_frame_queue(struct isci_host *ihost)
{
u32 frame_queue_control_value;
u32 frame_queue_get_value;
......@@ -818,7 +810,7 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
SCU_UFQC_GEN_VAL(QUEUE_SIZE, SCU_MAX_UNSOLICITED_FRAMES);
writel(frame_queue_control_value,
&scic->scu_registers->sdma.unsolicited_frame_queue_control);
&ihost->scu_registers->sdma.unsolicited_frame_queue_control);
/* Setup the get pointer for the unsolicited frame queue */
frame_queue_get_value = (
......@@ -827,11 +819,11 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
);
writel(frame_queue_get_value,
&scic->scu_registers->sdma.unsolicited_frame_get_pointer);
&ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
/* Setup the put pointer for the unsolicited frame queue */
frame_queue_put_value = SCU_UFQPP_GEN_VAL(POINTER, 0);
writel(frame_queue_put_value,
&scic->scu_registers->sdma.unsolicited_frame_put_pointer);
&ihost->scu_registers->sdma.unsolicited_frame_put_pointer);
}
/**
......@@ -846,17 +838,16 @@ static void scic_sds_controller_initialize_unsolicited_frame_queue(struct scic_s
* none.
*/
static void scic_sds_controller_transition_to_ready(
struct scic_sds_controller *scic,
struct isci_host *ihost,
enum sci_status status)
{
struct isci_host *ihost = scic_to_ihost(scic);
if (scic->sm.current_state_id == SCIC_STARTING) {
if (ihost->sm.current_state_id == SCIC_STARTING) {
/*
* We move into the ready state, because some of the phys/ports
* may be up and operational.
*/
sci_change_state(&scic->sm, SCIC_READY);
sci_change_state(&ihost->sm, SCIC_READY);
isci_host_start_complete(ihost, status);
}
......@@ -892,19 +883,18 @@ static bool is_phy_starting(struct isci_phy *iphy)
* controller to the READY state and inform the user
* (scic_cb_controller_start_complete()).
*/
static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_controller *scic)
static enum sci_status scic_sds_controller_start_next_phy(struct isci_host *ihost)
{
struct isci_host *ihost = scic_to_ihost(scic);
struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1;
struct isci_phy *iphy;
enum sci_status status;
status = SCI_SUCCESS;
if (scic->phy_startup_timer_pending)
if (ihost->phy_startup_timer_pending)
return status;
if (scic->next_phy_to_start >= SCI_MAX_PHYS) {
if (ihost->next_phy_to_start >= SCI_MAX_PHYS) {
bool is_controller_start_complete = true;
u32 state;
u8 index;
......@@ -934,16 +924,16 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
* The controller has successfully finished the start process.
* Inform the SCI Core user and transition to the READY state. */
if (is_controller_start_complete == true) {
scic_sds_controller_transition_to_ready(scic, SCI_SUCCESS);
sci_del_timer(&scic->phy_timer);
scic->phy_startup_timer_pending = false;
scic_sds_controller_transition_to_ready(ihost, SCI_SUCCESS);
sci_del_timer(&ihost->phy_timer);
ihost->phy_startup_timer_pending = false;
}
} else {
iphy = &ihost->phys[scic->next_phy_to_start];
iphy = &ihost->phys[ihost->next_phy_to_start];
if (oem->controller.mode_type == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
if (phy_get_non_dummy_port(iphy) == NULL) {
scic->next_phy_to_start++;
ihost->next_phy_to_start++;
/* Caution recursion ahead be forwarned
*
......@@ -954,27 +944,27 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
* incorrectly for the PORT or it was never
* assigned to a PORT
*/
return scic_sds_controller_start_next_phy(scic);
return scic_sds_controller_start_next_phy(ihost);
}
}
status = scic_sds_phy_start(iphy);
if (status == SCI_SUCCESS) {
sci_mod_timer(&scic->phy_timer,
sci_mod_timer(&ihost->phy_timer,
SCIC_SDS_CONTROLLER_PHY_START_TIMEOUT);
scic->phy_startup_timer_pending = true;
ihost->phy_startup_timer_pending = true;
} else {
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: Controller stop operation failed "
"to stop phy %d because of status "
"%d.\n",
__func__,
ihost->phys[scic->next_phy_to_start].phy_index,
ihost->phys[ihost->next_phy_to_start].phy_index,
status);
}
scic->next_phy_to_start++;
ihost->next_phy_to_start++;
}
return status;
......@@ -983,8 +973,7 @@ static enum sci_status scic_sds_controller_start_next_phy(struct scic_sds_contro
static void phy_startup_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), phy_timer);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = container_of(tmr, typeof(*ihost), phy_timer);
unsigned long flags;
enum sci_status status;
......@@ -993,10 +982,10 @@ static void phy_startup_timeout(unsigned long data)
if (tmr->cancel)
goto done;
scic->phy_startup_timer_pending = false;
ihost->phy_startup_timer_pending = false;
do {
status = scic_sds_controller_start_next_phy(scic);
status = scic_sds_controller_start_next_phy(ihost);
} while (status != SCI_SUCCESS);
done:
......@@ -1008,15 +997,14 @@ static u16 isci_tci_active(struct isci_host *ihost)
return CIRC_CNT(ihost->tci_head, ihost->tci_tail, SCI_MAX_IO_REQUESTS);
}
static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
static enum sci_status scic_controller_start(struct isci_host *ihost,
u32 timeout)
{
struct isci_host *ihost = scic_to_ihost(scic);
enum sci_status result;
u16 index;
if (scic->sm.current_state_id != SCIC_INITIALIZED) {
dev_warn(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_INITIALIZED) {
dev_warn(&ihost->pdev->dev,
"SCIC Controller start operation requested in "
"invalid state\n");
return SCI_FAILURE_INVALID_STATE;
......@@ -1026,34 +1014,34 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
BUILD_BUG_ON(SCI_MAX_IO_REQUESTS > 1 << sizeof(ihost->tci_pool[0]) * 8);
ihost->tci_head = 0;
ihost->tci_tail = 0;
for (index = 0; index < scic->task_context_entries; index++)
for (index = 0; index < ihost->task_context_entries; index++)
isci_tci_free(ihost, index);
/* Build the RNi free pool */
scic_sds_remote_node_table_initialize(
&scic->available_remote_nodes,
scic->remote_node_entries);
&ihost->available_remote_nodes,
ihost->remote_node_entries);
/*
* Before anything else lets make sure we will not be
* interrupted by the hardware.
*/
scic_controller_disable_interrupts(scic);
scic_controller_disable_interrupts(ihost);
/* Enable the port task scheduler */
scic_sds_controller_enable_port_task_scheduler(scic);
scic_sds_controller_enable_port_task_scheduler(ihost);
/* Assign all the task entries to scic physical function */
scic_sds_controller_assign_task_entries(scic);
/* Assign all the task entries to ihost physical function */
scic_sds_controller_assign_task_entries(ihost);
/* Now initialize the completion queue */
scic_sds_controller_initialize_completion_queue(scic);
scic_sds_controller_initialize_completion_queue(ihost);
/* Initialize the unsolicited frame queue for use */
scic_sds_controller_initialize_unsolicited_frame_queue(scic);
scic_sds_controller_initialize_unsolicited_frame_queue(ihost);
/* Start all of the ports on this controller */
for (index = 0; index < scic->logical_port_entries; index++) {
for (index = 0; index < ihost->logical_port_entries; index++) {
struct isci_port *iport = &ihost->ports[index];
result = scic_sds_port_start(iport);
......@@ -1061,11 +1049,11 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
return result;
}
scic_sds_controller_start_next_phy(scic);
scic_sds_controller_start_next_phy(ihost);
sci_mod_timer(&scic->timer, timeout);
sci_mod_timer(&ihost->timer, timeout);
sci_change_state(&scic->sm, SCIC_STARTING);
sci_change_state(&ihost->sm, SCIC_STARTING);
return SCI_SUCCESS;
}
......@@ -1073,35 +1061,35 @@ static enum sci_status scic_controller_start(struct scic_sds_controller *scic,
void isci_host_scan_start(struct Scsi_Host *shost)
{
struct isci_host *ihost = SHOST_TO_SAS_HA(shost)->lldd_ha;
unsigned long tmo = scic_controller_get_suggested_start_timeout(&ihost->sci);
unsigned long tmo = scic_controller_get_suggested_start_timeout(ihost);
set_bit(IHOST_START_PENDING, &ihost->flags);
spin_lock_irq(&ihost->scic_lock);
scic_controller_start(&ihost->sci, tmo);
scic_controller_enable_interrupts(&ihost->sci);
scic_controller_start(ihost, tmo);
scic_controller_enable_interrupts(ihost);
spin_unlock_irq(&ihost->scic_lock);
}
static void isci_host_stop_complete(struct isci_host *ihost, enum sci_status completion_status)
{
isci_host_change_state(ihost, isci_stopped);
scic_controller_disable_interrupts(&ihost->sci);
scic_controller_disable_interrupts(ihost);
clear_bit(IHOST_STOP_PENDING, &ihost->flags);
wake_up(&ihost->eventq);
}
static void scic_sds_controller_completion_handler(struct scic_sds_controller *scic)
static void scic_sds_controller_completion_handler(struct isci_host *ihost)
{
/* Empty out the completion queue */
if (scic_sds_controller_completion_queue_has_entries(scic))
scic_sds_controller_process_completions(scic);
if (scic_sds_controller_completion_queue_has_entries(ihost))
scic_sds_controller_process_completions(ihost);
/* Clear the interrupt and enable all interrupts again */
writel(SMU_ISR_COMPLETION, &scic->smu_registers->interrupt_status);
writel(SMU_ISR_COMPLETION, &ihost->smu_registers->interrupt_status);
/* Could we write the value of SMU_ISR_COMPLETION? */
writel(0xFF000000, &scic->smu_registers->interrupt_mask);
writel(0, &scic->smu_registers->interrupt_mask);
writel(0xFF000000, &ihost->smu_registers->interrupt_mask);
writel(0, &ihost->smu_registers->interrupt_mask);
}
/**
......@@ -1114,7 +1102,7 @@ static void scic_sds_controller_completion_handler(struct scic_sds_controller *s
*/
static void isci_host_completion_routine(unsigned long data)
{
struct isci_host *isci_host = (struct isci_host *)data;
struct isci_host *ihost = (struct isci_host *)data;
struct list_head completed_request_list;
struct list_head errored_request_list;
struct list_head *current_position;
......@@ -1126,20 +1114,20 @@ static void isci_host_completion_routine(unsigned long data)
INIT_LIST_HEAD(&completed_request_list);
INIT_LIST_HEAD(&errored_request_list);
spin_lock_irq(&isci_host->scic_lock);
spin_lock_irq(&ihost->scic_lock);
scic_sds_controller_completion_handler(&isci_host->sci);
scic_sds_controller_completion_handler(ihost);
/* Take the lists of completed I/Os from the host. */
list_splice_init(&isci_host->requests_to_complete,
list_splice_init(&ihost->requests_to_complete,
&completed_request_list);
/* Take the list of errored I/Os from the host. */
list_splice_init(&isci_host->requests_to_errorback,
list_splice_init(&ihost->requests_to_errorback,
&errored_request_list);
spin_unlock_irq(&isci_host->scic_lock);
spin_unlock_irq(&ihost->scic_lock);
/* Process any completions in the lists. */
list_for_each_safe(current_position, next_position,
......@@ -1150,7 +1138,7 @@ static void isci_host_completion_routine(unsigned long data)
task = isci_request_access_task(request);
/* Normal notification (task_done) */
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: Normal - request/task = %p/%p\n",
__func__,
request,
......@@ -1169,9 +1157,9 @@ static void isci_host_completion_routine(unsigned long data)
}
}
spin_lock_irq(&isci_host->scic_lock);
isci_free_tag(isci_host, request->io_tag);
spin_unlock_irq(&isci_host->scic_lock);
spin_lock_irq(&ihost->scic_lock);
isci_free_tag(ihost, request->io_tag);
spin_unlock_irq(&ihost->scic_lock);
}
list_for_each_entry_safe(request, next_request, &errored_request_list,
completed_node) {
......@@ -1179,7 +1167,7 @@ static void isci_host_completion_routine(unsigned long data)
task = isci_request_access_task(request);
/* Use sas_task_abort */
dev_warn(&isci_host->pdev->dev,
dev_warn(&ihost->pdev->dev,
"%s: Error - request/task = %p/%p\n",
__func__,
request,
......@@ -1202,13 +1190,13 @@ static void isci_host_completion_routine(unsigned long data)
* it.
*/
spin_lock_irq(&isci_host->scic_lock);
spin_lock_irq(&ihost->scic_lock);
/* Remove the request from the remote device's list
* of pending requests.
*/
list_del_init(&request->dev_node);
isci_free_tag(isci_host, request->io_tag);
spin_unlock_irq(&isci_host->scic_lock);
isci_free_tag(ihost, request->io_tag);
spin_unlock_irq(&ihost->scic_lock);
}
}
......@@ -1232,18 +1220,18 @@ static void isci_host_completion_routine(unsigned long data)
* controller is already in the STOPPED state. SCI_FAILURE_INVALID_STATE if the
* controller is not either in the STARTED or STOPPED states.
*/
static enum sci_status scic_controller_stop(struct scic_sds_controller *scic,
static enum sci_status scic_controller_stop(struct isci_host *ihost,
u32 timeout)
{
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_READY) {
dev_warn(&ihost->pdev->dev,
"SCIC Controller stop operation requested in "
"invalid state\n");
return SCI_FAILURE_INVALID_STATE;
}
sci_mod_timer(&scic->timer, timeout);
sci_change_state(&scic->sm, SCIC_STOPPING);
sci_mod_timer(&ihost->timer, timeout);
sci_change_state(&ihost->sm, SCIC_STOPPING);
return SCI_SUCCESS;
}
......@@ -1259,9 +1247,9 @@ static enum sci_status scic_controller_stop(struct scic_sds_controller *scic,
* SCI_SUCCESS if the reset operation successfully started. SCI_FATAL_ERROR if
* the controller reset operation is unable to complete.
*/
static enum sci_status scic_controller_reset(struct scic_sds_controller *scic)
static enum sci_status scic_controller_reset(struct isci_host *ihost)
{
switch (scic->sm.current_state_id) {
switch (ihost->sm.current_state_id) {
case SCIC_RESET:
case SCIC_READY:
case SCIC_STOPPED:
......@@ -1270,10 +1258,10 @@ static enum sci_status scic_controller_reset(struct scic_sds_controller *scic)
* The reset operation is not a graceful cleanup, just
* perform the state transition.
*/
sci_change_state(&scic->sm, SCIC_RESETTING);
sci_change_state(&ihost->sm, SCIC_RESETTING);
return SCI_SUCCESS;
default:
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"SCIC Controller reset operation requested in "
"invalid state\n");
return SCI_FAILURE_INVALID_STATE;
......@@ -1298,14 +1286,14 @@ void isci_host_deinit(struct isci_host *ihost)
set_bit(IHOST_STOP_PENDING, &ihost->flags);
spin_lock_irq(&ihost->scic_lock);
scic_controller_stop(&ihost->sci, SCIC_CONTROLLER_STOP_TIMEOUT);
scic_controller_stop(ihost, SCIC_CONTROLLER_STOP_TIMEOUT);
spin_unlock_irq(&ihost->scic_lock);
wait_for_stop(ihost);
scic_controller_reset(&ihost->sci);
scic_controller_reset(ihost);
/* Cancel any/all outstanding port timers */
for (i = 0; i < ihost->sci.logical_port_entries; i++) {
for (i = 0; i < ihost->logical_port_entries; i++) {
struct isci_port *iport = &ihost->ports[i];
del_timer_sync(&iport->timer.timer);
}
......@@ -1316,13 +1304,13 @@ void isci_host_deinit(struct isci_host *ihost)
del_timer_sync(&iphy->sata_timer.timer);
}
del_timer_sync(&ihost->sci.port_agent.timer.timer);
del_timer_sync(&ihost->port_agent.timer.timer);
del_timer_sync(&ihost->sci.power_control.timer.timer);
del_timer_sync(&ihost->power_control.timer.timer);
del_timer_sync(&ihost->sci.timer.timer);
del_timer_sync(&ihost->timer.timer);
del_timer_sync(&ihost->sci.phy_timer.timer);
del_timer_sync(&ihost->phy_timer.timer);
}
static void __iomem *scu_base(struct isci_host *isci_host)
......@@ -1369,16 +1357,16 @@ static void isci_user_parameters_get(
static void scic_sds_controller_initial_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
sci_change_state(&scic->sm, SCIC_RESET);
sci_change_state(&ihost->sm, SCIC_RESET);
}
static inline void scic_sds_controller_starting_state_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
sci_del_timer(&scic->timer);
sci_del_timer(&ihost->timer);
}
#define INTERRUPT_COALESCE_TIMEOUT_BASE_RANGE_LOWER_BOUND_NS 853
......@@ -1405,10 +1393,10 @@ static inline void scic_sds_controller_starting_state_exit(struct sci_base_state
* SCI_SUCCESS The user successfully updated the interrutp coalescence.
* SCI_FAILURE_INVALID_PARAMETER_VALUE The user input value is out of range.
*/
static enum sci_status scic_controller_set_interrupt_coalescence(
struct scic_sds_controller *scic_controller,
u32 coalesce_number,
u32 coalesce_timeout)
static enum sci_status
scic_controller_set_interrupt_coalescence(struct isci_host *ihost,
u32 coalesce_number,
u32 coalesce_timeout)
{
u8 timeout_encode = 0;
u32 min = 0;
......@@ -1491,11 +1479,11 @@ static enum sci_status scic_controller_set_interrupt_coalescence(
writel(SMU_ICC_GEN_VAL(NUMBER, coalesce_number) |
SMU_ICC_GEN_VAL(TIMER, timeout_encode),
&scic_controller->smu_registers->interrupt_coalesce_control);
&ihost->smu_registers->interrupt_coalesce_control);
scic_controller->interrupt_coalesce_number = (u16)coalesce_number;
scic_controller->interrupt_coalesce_timeout = coalesce_timeout / 100;
ihost->interrupt_coalesce_number = (u16)coalesce_number;
ihost->interrupt_coalesce_timeout = coalesce_timeout / 100;
return SCI_SUCCESS;
}
......@@ -1503,26 +1491,25 @@ static enum sci_status scic_controller_set_interrupt_coalescence(
static void scic_sds_controller_ready_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
/* set the default interrupt coalescence number and timeout value. */
scic_controller_set_interrupt_coalescence(scic, 0x10, 250);
scic_controller_set_interrupt_coalescence(ihost, 0x10, 250);
}
static void scic_sds_controller_ready_state_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
/* disable interrupt coalescence. */
scic_controller_set_interrupt_coalescence(scic, 0, 0);
scic_controller_set_interrupt_coalescence(ihost, 0, 0);
}
static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller *scic)
static enum sci_status scic_sds_controller_stop_phys(struct isci_host *ihost)
{
u32 index;
enum sci_status status;
enum sci_status phy_status;
struct isci_host *ihost = scic_to_ihost(scic);
status = SCI_SUCCESS;
......@@ -1533,7 +1520,7 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
phy_status != SCI_FAILURE_INVALID_STATE) {
status = SCI_FAILURE;
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: Controller stop operation failed to stop "
"phy %d because of status %d.\n",
__func__,
......@@ -1544,14 +1531,13 @@ static enum sci_status scic_sds_controller_stop_phys(struct scic_sds_controller
return status;
}
static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller *scic)
static enum sci_status scic_sds_controller_stop_ports(struct isci_host *ihost)
{
u32 index;
enum sci_status port_status;
enum sci_status status = SCI_SUCCESS;
struct isci_host *ihost = scic_to_ihost(scic);
for (index = 0; index < scic->logical_port_entries; index++) {
for (index = 0; index < ihost->logical_port_entries; index++) {
struct isci_port *iport = &ihost->ports[index];
port_status = scic_sds_port_stop(iport);
......@@ -1560,7 +1546,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller
(port_status != SCI_FAILURE_INVALID_STATE)) {
status = SCI_FAILURE;
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: Controller stop operation failed to "
"stop port %d because of status %d.\n",
__func__,
......@@ -1572,7 +1558,7 @@ static enum sci_status scic_sds_controller_stop_ports(struct scic_sds_controller
return status;
}
static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controller *scic)
static enum sci_status scic_sds_controller_stop_devices(struct isci_host *ihost)
{
u32 index;
enum sci_status status;
......@@ -1580,19 +1566,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll
status = SCI_SUCCESS;
for (index = 0; index < scic->remote_node_entries; index++) {
if (scic->device_table[index] != NULL) {
for (index = 0; index < ihost->remote_node_entries; index++) {
if (ihost->device_table[index] != NULL) {
/* / @todo What timeout value do we want to provide to this request? */
device_status = scic_remote_device_stop(scic->device_table[index], 0);
device_status = scic_remote_device_stop(ihost->device_table[index], 0);
if ((device_status != SCI_SUCCESS) &&
(device_status != SCI_FAILURE_INVALID_STATE)) {
dev_warn(scic_to_dev(scic),
dev_warn(&ihost->pdev->dev,
"%s: Controller stop operation failed "
"to stop device 0x%p because of "
"status %d.\n",
__func__,
scic->device_table[index], device_status);
ihost->device_table[index], device_status);
}
}
}
......@@ -1602,19 +1588,19 @@ static enum sci_status scic_sds_controller_stop_devices(struct scic_sds_controll
static void scic_sds_controller_stopping_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
/* Stop all of the components for this controller */
scic_sds_controller_stop_phys(scic);
scic_sds_controller_stop_ports(scic);
scic_sds_controller_stop_devices(scic);
scic_sds_controller_stop_phys(ihost);
scic_sds_controller_stop_ports(ihost);
scic_sds_controller_stop_devices(ihost);
}
static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
sci_del_timer(&scic->timer);
sci_del_timer(&ihost->timer);
}
......@@ -1623,30 +1609,30 @@ static void scic_sds_controller_stopping_state_exit(struct sci_base_state_machin
*
* This method will reset the controller hardware.
*/
static void scic_sds_controller_reset_hardware(struct scic_sds_controller *scic)
static void scic_sds_controller_reset_hardware(struct isci_host *ihost)
{
/* Disable interrupts so we dont take any spurious interrupts */
scic_controller_disable_interrupts(scic);
scic_controller_disable_interrupts(ihost);
/* Reset the SCU */
writel(0xFFFFFFFF, &scic->smu_registers->soft_reset_control);
writel(0xFFFFFFFF, &ihost->smu_registers->soft_reset_control);
/* Delay for 1ms to before clearing the CQP and UFQPR. */
udelay(1000);
/* The write to the CQGR clears the CQP */
writel(0x00000000, &scic->smu_registers->completion_queue_get);
writel(0x00000000, &ihost->smu_registers->completion_queue_get);
/* The write to the UFQGP clears the UFQPR */
writel(0, &scic->scu_registers->sdma.unsolicited_frame_get_pointer);
writel(0, &ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
}
static void scic_sds_controller_resetting_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_controller *scic = container_of(sm, typeof(*scic), sm);
struct isci_host *ihost = container_of(sm, typeof(*ihost), sm);
scic_sds_controller_reset_hardware(scic);
sci_change_state(&scic->sm, SCIC_RESET);
scic_sds_controller_reset_hardware(ihost);
sci_change_state(&ihost->sm, SCIC_RESET);
}
static const struct sci_base_state scic_sds_controller_state_table[] = {
......@@ -1674,58 +1660,56 @@ static const struct sci_base_state scic_sds_controller_state_table[] = {
[SCIC_FAILED] = {}
};
static void scic_sds_controller_set_default_config_parameters(struct scic_sds_controller *scic)
static void scic_sds_controller_set_default_config_parameters(struct isci_host *ihost)
{
/* these defaults are overridden by the platform / firmware */
struct isci_host *ihost = scic_to_ihost(scic);
u16 index;
/* Default to APC mode. */
scic->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
ihost->oem_parameters.sds1.controller.mode_type = SCIC_PORT_AUTOMATIC_CONFIGURATION_MODE;
/* Default to APC mode. */
scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1;
ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up = 1;
/* Default to no SSC operation. */
scic->oem_parameters.sds1.controller.do_enable_ssc = false;
ihost->oem_parameters.sds1.controller.do_enable_ssc = false;
/* Initialize all of the port parameter information to narrow ports. */
for (index = 0; index < SCI_MAX_PORTS; index++) {
scic->oem_parameters.sds1.ports[index].phy_mask = 0;
ihost->oem_parameters.sds1.ports[index].phy_mask = 0;
}
/* Initialize all of the phy parameter information. */
for (index = 0; index < SCI_MAX_PHYS; index++) {
/* Default to 6G (i.e. Gen 3) for now. */
scic->user_parameters.sds1.phys[index].max_speed_generation = 3;
ihost->user_parameters.sds1.phys[index].max_speed_generation = 3;
/* the frequencies cannot be 0 */
scic->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f;
scic->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff;
scic->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33;
ihost->user_parameters.sds1.phys[index].align_insertion_frequency = 0x7f;
ihost->user_parameters.sds1.phys[index].in_connection_align_insertion_frequency = 0xff;
ihost->user_parameters.sds1.phys[index].notify_enable_spin_up_insertion_frequency = 0x33;
/*
* Previous Vitesse based expanders had a arbitration issue that
* is worked around by having the upper 32-bits of SAS address
* with a value greater then the Vitesse company identifier.
* Hence, usage of 0x5FCFFFFF. */
scic->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id;
scic->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF;
ihost->oem_parameters.sds1.phys[index].sas_address.low = 0x1 + ihost->id;
ihost->oem_parameters.sds1.phys[index].sas_address.high = 0x5FCFFFFF;
}
scic->user_parameters.sds1.stp_inactivity_timeout = 5;
scic->user_parameters.sds1.ssp_inactivity_timeout = 5;
scic->user_parameters.sds1.stp_max_occupancy_timeout = 5;
scic->user_parameters.sds1.ssp_max_occupancy_timeout = 20;
scic->user_parameters.sds1.no_outbound_task_timeout = 20;
ihost->user_parameters.sds1.stp_inactivity_timeout = 5;
ihost->user_parameters.sds1.ssp_inactivity_timeout = 5;
ihost->user_parameters.sds1.stp_max_occupancy_timeout = 5;
ihost->user_parameters.sds1.ssp_max_occupancy_timeout = 20;
ihost->user_parameters.sds1.no_outbound_task_timeout = 20;
}
static void controller_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), timer);
struct isci_host *ihost = scic_to_ihost(scic);
struct sci_base_state_machine *sm = &scic->sm;
struct isci_host *ihost = container_of(tmr, typeof(*ihost), timer);
struct sci_base_state_machine *sm = &ihost->sm;
unsigned long flags;
spin_lock_irqsave(&ihost->scic_lock, flags);
......@@ -1734,12 +1718,12 @@ static void controller_timeout(unsigned long data)
goto done;
if (sm->current_state_id == SCIC_STARTING)
scic_sds_controller_transition_to_ready(scic, SCI_FAILURE_TIMEOUT);
scic_sds_controller_transition_to_ready(ihost, SCI_FAILURE_TIMEOUT);
else if (sm->current_state_id == SCIC_STOPPING) {
sci_change_state(sm, SCIC_FAILED);
isci_host_stop_complete(ihost, SCI_FAILURE_TIMEOUT);
} else /* / @todo Now what do we want to do in this case? */
dev_err(scic_to_dev(scic),
dev_err(&ihost->pdev->dev,
"%s: Controller timer fired when controller was not "
"in a state being timed.\n",
__func__);
......@@ -1764,24 +1748,23 @@ static void controller_timeout(unsigned long data)
* SCI_FAILURE_UNSUPPORTED_INIT_DATA_VERSION This value is returned if the
* controller does not support the supplied initialization data version.
*/
static enum sci_status scic_controller_construct(struct scic_sds_controller *scic,
static enum sci_status scic_controller_construct(struct isci_host *ihost,
void __iomem *scu_base,
void __iomem *smu_base)
{
struct isci_host *ihost = scic_to_ihost(scic);
u8 i;
sci_init_sm(&scic->sm, scic_sds_controller_state_table, SCIC_INITIAL);
sci_init_sm(&ihost->sm, scic_sds_controller_state_table, SCIC_INITIAL);
scic->scu_registers = scu_base;
scic->smu_registers = smu_base;
ihost->scu_registers = scu_base;
ihost->smu_registers = smu_base;
scic_sds_port_configuration_agent_construct(&scic->port_agent);
scic_sds_port_configuration_agent_construct(&ihost->port_agent);
/* Construct the ports for this controller */
for (i = 0; i < SCI_MAX_PORTS; i++)
scic_sds_port_construct(&ihost->ports[i], i, scic);
scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, scic);
scic_sds_port_construct(&ihost->ports[i], i, ihost);
scic_sds_port_construct(&ihost->ports[i], SCIC_SDS_DUMMY_PORT, ihost);
/* Construct the phys for this controller */
for (i = 0; i < SCI_MAX_PHYS; i++) {
......@@ -1790,14 +1773,14 @@ static enum sci_status scic_controller_construct(struct scic_sds_controller *sci
&ihost->ports[SCI_MAX_PORTS], i);
}
scic->invalid_phy_mask = 0;
ihost->invalid_phy_mask = 0;
sci_init_timer(&scic->timer, controller_timeout);
sci_init_timer(&ihost->timer, controller_timeout);
/* Initialize the User and OEM parameters to default values. */
scic_sds_controller_set_default_config_parameters(scic);
scic_sds_controller_set_default_config_parameters(ihost);
return scic_controller_reset(scic);
return scic_controller_reset(ihost);
}
int scic_oem_parameters_validate(struct scic_sds_oem_params *oem)
......@@ -1834,10 +1817,10 @@ int scic_oem_parameters_validate(struct scic_sds_oem_params *oem)
return 0;
}
static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
static enum sci_status scic_oem_parameters_set(struct isci_host *ihost,
union scic_oem_parameters *scic_parms)
{
u32 state = scic->sm.current_state_id;
u32 state = ihost->sm.current_state_id;
if (state == SCIC_RESET ||
state == SCIC_INITIALIZING ||
......@@ -1845,7 +1828,7 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
if (scic_oem_parameters_validate(&scic_parms->sds1))
return SCI_FAILURE_INVALID_PARAMETER_VALUE;
scic->oem_parameters.sds1 = scic_parms->sds1;
ihost->oem_parameters.sds1 = scic_parms->sds1;
return SCI_SUCCESS;
}
......@@ -1854,17 +1837,16 @@ static enum sci_status scic_oem_parameters_set(struct scic_sds_controller *scic,
}
void scic_oem_parameters_get(
struct scic_sds_controller *scic,
struct isci_host *ihost,
union scic_oem_parameters *scic_parms)
{
memcpy(scic_parms, (&scic->oem_parameters), sizeof(*scic_parms));
memcpy(scic_parms, (&ihost->oem_parameters), sizeof(*scic_parms));
}
static void power_control_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_controller *scic = container_of(tmr, typeof(*scic), power_control.timer);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = container_of(tmr, typeof(*ihost), power_control.timer);
struct isci_phy *iphy;
unsigned long flags;
u8 i;
......@@ -1874,29 +1856,29 @@ static void power_control_timeout(unsigned long data)
if (tmr->cancel)
goto done;
scic->power_control.phys_granted_power = 0;
ihost->power_control.phys_granted_power = 0;
if (scic->power_control.phys_waiting == 0) {
scic->power_control.timer_started = false;
if (ihost->power_control.phys_waiting == 0) {
ihost->power_control.timer_started = false;
goto done;
}
for (i = 0; i < SCI_MAX_PHYS; i++) {
if (scic->power_control.phys_waiting == 0)
if (ihost->power_control.phys_waiting == 0)
break;
iphy = scic->power_control.requesters[i];
iphy = ihost->power_control.requesters[i];
if (iphy == NULL)
continue;
if (scic->power_control.phys_granted_power >=
scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up)
if (ihost->power_control.phys_granted_power >=
ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up)
break;
scic->power_control.requesters[i] = NULL;
scic->power_control.phys_waiting--;
scic->power_control.phys_granted_power++;
ihost->power_control.requesters[i] = NULL;
ihost->power_control.phys_waiting--;
ihost->power_control.phys_granted_power++;
scic_sds_phy_consume_power_handler(iphy);
}
......@@ -1905,7 +1887,7 @@ static void power_control_timeout(unsigned long data)
* timer in case another phy becomes ready.
*/
sci_mod_timer(tmr, SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
scic->power_control.timer_started = true;
ihost->power_control.timer_started = true;
done:
spin_unlock_irqrestore(&ihost->scic_lock, flags);
......@@ -1918,31 +1900,31 @@ static void power_control_timeout(unsigned long data)
*
*/
void scic_sds_controller_power_control_queue_insert(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_phy *iphy)
{
BUG_ON(iphy == NULL);
if (scic->power_control.phys_granted_power <
scic->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) {
scic->power_control.phys_granted_power++;
if (ihost->power_control.phys_granted_power <
ihost->oem_parameters.sds1.controller.max_concurrent_dev_spin_up) {
ihost->power_control.phys_granted_power++;
scic_sds_phy_consume_power_handler(iphy);
/*
* stop and start the power_control timer. When the timer fires, the
* no_of_phys_granted_power will be set to 0
*/
if (scic->power_control.timer_started)
sci_del_timer(&scic->power_control.timer);
if (ihost->power_control.timer_started)
sci_del_timer(&ihost->power_control.timer);
sci_mod_timer(&scic->power_control.timer,
sci_mod_timer(&ihost->power_control.timer,
SCIC_SDS_CONTROLLER_POWER_CONTROL_INTERVAL);
scic->power_control.timer_started = true;
ihost->power_control.timer_started = true;
} else {
/* Add the phy in the waiting list */
scic->power_control.requesters[iphy->phy_index] = iphy;
scic->power_control.phys_waiting++;
ihost->power_control.requesters[iphy->phy_index] = iphy;
ihost->power_control.phys_waiting++;
}
}
......@@ -1953,16 +1935,16 @@ void scic_sds_controller_power_control_queue_insert(
*
*/
void scic_sds_controller_power_control_queue_remove(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_phy *iphy)
{
BUG_ON(iphy == NULL);
if (scic->power_control.requesters[iphy->phy_index] != NULL) {
scic->power_control.phys_waiting--;
if (ihost->power_control.requesters[iphy->phy_index] != NULL) {
ihost->power_control.phys_waiting--;
}
scic->power_control.requesters[iphy->phy_index] = NULL;
ihost->power_control.requesters[iphy->phy_index] = NULL;
}
#define AFE_REGISTER_WRITE_DELAY 10
......@@ -1970,50 +1952,50 @@ void scic_sds_controller_power_control_queue_remove(
/* Initialize the AFE for this phy index. We need to read the AFE setup from
* the OEM parameters
*/
static void scic_sds_controller_afe_initialization(struct scic_sds_controller *scic)
static void scic_sds_controller_afe_initialization(struct isci_host *ihost)
{
const struct scic_sds_oem_params *oem = &scic->oem_parameters.sds1;
const struct scic_sds_oem_params *oem = &ihost->oem_parameters.sds1;
u32 afe_status;
u32 phy_id;
/* Clear DFX Status registers */
writel(0x0081000f, &scic->scu_registers->afe.afe_dfx_master_control0);
writel(0x0081000f, &ihost->scu_registers->afe.afe_dfx_master_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
if (is_b0()) {
/* PM Rx Equalization Save, PM SPhy Rx Acknowledgement
* Timer, PM Stagger Timer */
writel(0x0007BFFF, &scic->scu_registers->afe.afe_pmsn_master_control2);
writel(0x0007BFFF, &ihost->scu_registers->afe.afe_pmsn_master_control2);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/* Configure bias currents to normal */
if (is_a0())
writel(0x00005500, &scic->scu_registers->afe.afe_bias_control);
writel(0x00005500, &ihost->scu_registers->afe.afe_bias_control);
else if (is_a2())
writel(0x00005A00, &scic->scu_registers->afe.afe_bias_control);
writel(0x00005A00, &ihost->scu_registers->afe.afe_bias_control);
else if (is_b0() || is_c0())
writel(0x00005F00, &scic->scu_registers->afe.afe_bias_control);
writel(0x00005F00, &ihost->scu_registers->afe.afe_bias_control);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Enable PLL */
if (is_b0() || is_c0())
writel(0x80040A08, &scic->scu_registers->afe.afe_pll_control0);
writel(0x80040A08, &ihost->scu_registers->afe.afe_pll_control0);
else
writel(0x80040908, &scic->scu_registers->afe.afe_pll_control0);
writel(0x80040908, &ihost->scu_registers->afe.afe_pll_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Wait for the PLL to lock */
do {
afe_status = readl(&scic->scu_registers->afe.afe_common_block_status);
afe_status = readl(&ihost->scu_registers->afe.afe_common_block_status);
udelay(AFE_REGISTER_WRITE_DELAY);
} while ((afe_status & 0x00001000) == 0);
if (is_a0() || is_a2()) {
/* Shorten SAS SNW lock time (RxLock timer value from 76 us to 50 us) */
writel(0x7bcc96ad, &scic->scu_registers->afe.afe_pmsn_master_control0);
writel(0x7bcc96ad, &ihost->scu_registers->afe.afe_pmsn_master_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
}
......@@ -2022,26 +2004,26 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
if (is_b0()) {
/* Configure transmitter SSC parameters */
writel(0x00030000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
writel(0x00030000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
udelay(AFE_REGISTER_WRITE_DELAY);
} else if (is_c0()) {
/* Configure transmitter SSC parameters */
writel(0x0003000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
writel(0x0003000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_ssc_control);
udelay(AFE_REGISTER_WRITE_DELAY);
/*
* All defaults, except the Receive Word Alignament/Comma Detect
* Enable....(0xe800) */
writel(0x00004500, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
writel(0x00004500, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
} else {
/*
* All defaults, except the Receive Word Alignament/Comma Detect
* Enable....(0xe800) */
writel(0x00004512, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
writel(0x00004512, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
writel(0x0050100F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1);
writel(0x0050100F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control1);
udelay(AFE_REGISTER_WRITE_DELAY);
}
......@@ -2049,106 +2031,105 @@ static void scic_sds_controller_afe_initialization(struct scic_sds_controller *s
* Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
* & increase TX int & ext bias 20%....(0xe85c) */
if (is_a0())
writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
else if (is_a2())
writel(0x000003F0, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000003F0, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
else if (is_b0()) {
/* Power down TX and RX (PWRDNTX and PWRDNRX) */
writel(0x000003D7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000003D7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
udelay(AFE_REGISTER_WRITE_DELAY);
/*
* Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
* & increase TX int & ext bias 20%....(0xe85c) */
writel(0x000003D4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000003D4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
} else {
writel(0x000001E7, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000001E7, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
udelay(AFE_REGISTER_WRITE_DELAY);
/*
* Power up TX and RX out from power down (PWRDNTX and PWRDNRX)
* & increase TX int & ext bias 20%....(0xe85c) */
writel(0x000001E4, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
writel(0x000001E4, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_channel_control);
}
udelay(AFE_REGISTER_WRITE_DELAY);
if (is_a0() || is_a2()) {
/* Enable TX equalization (0xe824) */
writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/*
* RDPI=0x0(RX Power On), RXOOBDETPDNC=0x0, TPD=0x0(TX Power On),
* RDD=0x0(RX Detect Enabled) ....(0xe800) */
writel(0x00004100, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
writel(0x00004100, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_xcvr_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Leave DFE/FFE on */
if (is_a0())
writel(0x3F09983F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
writel(0x3F09983F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
else if (is_a2())
writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
else if (is_b0()) {
writel(0x3F11103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
writel(0x3F11103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Enable TX equalization (0xe824) */
writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
} else {
writel(0x0140DF0F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1);
writel(0x0140DF0F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control1);
udelay(AFE_REGISTER_WRITE_DELAY);
writel(0x3F6F103F, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
writel(0x3F6F103F, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_rx_ssc_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
/* Enable TX equalization (0xe824) */
writel(0x00040000, &scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
writel(0x00040000, &ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_control);
}
udelay(AFE_REGISTER_WRITE_DELAY);
writel(oem_phy->afe_tx_amp_control0,
&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0);
&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
writel(oem_phy->afe_tx_amp_control1,
&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1);
&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control1);
udelay(AFE_REGISTER_WRITE_DELAY);
writel(oem_phy->afe_tx_amp_control2,
&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2);
&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control2);
udelay(AFE_REGISTER_WRITE_DELAY);
writel(oem_phy->afe_tx_amp_control3,
&scic->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3);
&ihost->scu_registers->afe.scu_afe_xcvr[phy_id].afe_tx_amp_control3);
udelay(AFE_REGISTER_WRITE_DELAY);
}
/* Transfer control to the PEs */
writel(0x00010f00, &scic->scu_registers->afe.afe_dfx_master_control0);
writel(0x00010f00, &ihost->scu_registers->afe.afe_dfx_master_control0);
udelay(AFE_REGISTER_WRITE_DELAY);
}
static void scic_sds_controller_initialize_power_control(struct scic_sds_controller *scic)
static void scic_sds_controller_initialize_power_control(struct isci_host *ihost)
{
sci_init_timer(&scic->power_control.timer, power_control_timeout);
sci_init_timer(&ihost->power_control.timer, power_control_timeout);
memset(scic->power_control.requesters, 0,
sizeof(scic->power_control.requesters));
memset(ihost->power_control.requesters, 0,
sizeof(ihost->power_control.requesters));
scic->power_control.phys_waiting = 0;
scic->power_control.phys_granted_power = 0;
ihost->power_control.phys_waiting = 0;
ihost->power_control.phys_granted_power = 0;
}
static enum sci_status scic_controller_initialize(struct scic_sds_controller *scic)
static enum sci_status scic_controller_initialize(struct isci_host *ihost)
{
struct sci_base_state_machine *sm = &scic->sm;
struct isci_host *ihost = scic_to_ihost(scic);
struct sci_base_state_machine *sm = &ihost->sm;
enum sci_status result = SCI_FAILURE;
unsigned long i, state, val;
if (scic->sm.current_state_id != SCIC_RESET) {
dev_warn(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_RESET) {
dev_warn(&ihost->pdev->dev,
"SCIC Controller initialize operation requested "
"in invalid state\n");
return SCI_FAILURE_INVALID_STATE;
......@@ -2156,23 +2137,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
sci_change_state(sm, SCIC_INITIALIZING);
sci_init_timer(&scic->phy_timer, phy_startup_timeout);
sci_init_timer(&ihost->phy_timer, phy_startup_timeout);
scic->next_phy_to_start = 0;
scic->phy_startup_timer_pending = false;
ihost->next_phy_to_start = 0;
ihost->phy_startup_timer_pending = false;
scic_sds_controller_initialize_power_control(scic);
scic_sds_controller_initialize_power_control(ihost);
/*
* There is nothing to do here for B0 since we do not have to
* program the AFE registers.
* / @todo The AFE settings are supposed to be correct for the B0 but
* / presently they seem to be wrong. */
scic_sds_controller_afe_initialization(scic);
scic_sds_controller_afe_initialization(ihost);
/* Take the hardware out of reset */
writel(0, &scic->smu_registers->soft_reset_control);
writel(0, &ihost->smu_registers->soft_reset_control);
/*
* / @todo Provide meaningfull error code for hardware failure
......@@ -2182,7 +2163,7 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
/* Loop until the hardware reports success */
udelay(SCU_CONTEXT_RAM_INIT_STALL_TIME);
status = readl(&scic->smu_registers->control_status);
status = readl(&ihost->smu_registers->control_status);
if ((status & SCU_RAM_INIT_COMPLETED) == SCU_RAM_INIT_COMPLETED)
break;
......@@ -2193,32 +2174,32 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
/*
* Determine what are the actaul device capacities that the
* hardware will support */
val = readl(&scic->smu_registers->device_context_capacity);
val = readl(&ihost->smu_registers->device_context_capacity);
/* Record the smaller of the two capacity values */
scic->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS);
scic->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS);
scic->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES);
ihost->logical_port_entries = min(smu_max_ports(val), SCI_MAX_PORTS);
ihost->task_context_entries = min(smu_max_task_contexts(val), SCI_MAX_IO_REQUESTS);
ihost->remote_node_entries = min(smu_max_rncs(val), SCI_MAX_REMOTE_DEVICES);
/*
* Make all PEs that are unassigned match up with the
* logical ports
*/
for (i = 0; i < scic->logical_port_entries; i++) {
for (i = 0; i < ihost->logical_port_entries; i++) {
struct scu_port_task_scheduler_group_registers __iomem
*ptsg = &scic->scu_registers->peg0.ptsg;
*ptsg = &ihost->scu_registers->peg0.ptsg;
writel(i, &ptsg->protocol_engine[i]);
}
/* Initialize hardware PCI Relaxed ordering in DMA engines */
val = readl(&scic->scu_registers->sdma.pdma_configuration);
val = readl(&ihost->scu_registers->sdma.pdma_configuration);
val |= SCU_PDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
writel(val, &scic->scu_registers->sdma.pdma_configuration);
writel(val, &ihost->scu_registers->sdma.pdma_configuration);
val = readl(&scic->scu_registers->sdma.cdma_configuration);
val = readl(&ihost->scu_registers->sdma.cdma_configuration);
val |= SCU_CDMACR_GEN_BIT(PCI_RELAXED_ORDERING_ENABLE);
writel(val, &scic->scu_registers->sdma.cdma_configuration);
writel(val, &ihost->scu_registers->sdma.cdma_configuration);
/*
* Initialize the PHYs before the PORTs because the PHY registers
......@@ -2226,23 +2207,23 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
*/
for (i = 0; i < SCI_MAX_PHYS; i++) {
result = scic_sds_phy_initialize(&ihost->phys[i],
&scic->scu_registers->peg0.pe[i].tl,
&scic->scu_registers->peg0.pe[i].ll);
&ihost->scu_registers->peg0.pe[i].tl,
&ihost->scu_registers->peg0.pe[i].ll);
if (result != SCI_SUCCESS)
goto out;
}
for (i = 0; i < scic->logical_port_entries; i++) {
for (i = 0; i < ihost->logical_port_entries; i++) {
result = scic_sds_port_initialize(&ihost->ports[i],
&scic->scu_registers->peg0.ptsg.port[i],
&scic->scu_registers->peg0.ptsg.protocol_engine,
&scic->scu_registers->peg0.viit[i]);
&ihost->scu_registers->peg0.ptsg.port[i],
&ihost->scu_registers->peg0.ptsg.protocol_engine,
&ihost->scu_registers->peg0.viit[i]);
if (result != SCI_SUCCESS)
goto out;
}
result = scic_sds_port_configuration_agent_initialize(scic, &scic->port_agent);
result = scic_sds_port_configuration_agent_initialize(ihost, &ihost->port_agent);
out:
/* Advance the controller state machine */
......@@ -2256,10 +2237,10 @@ static enum sci_status scic_controller_initialize(struct scic_sds_controller *sc
}
static enum sci_status scic_user_parameters_set(
struct scic_sds_controller *scic,
struct isci_host *ihost,
union scic_user_parameters *scic_parms)
{
u32 state = scic->sm.current_state_id;
u32 state = ihost->sm.current_state_id;
if (state == SCIC_RESET ||
state == SCIC_INITIALIZING ||
......@@ -2301,7 +2282,7 @@ static enum sci_status scic_user_parameters_set(
(scic_parms->sds1.no_outbound_task_timeout == 0))
return SCI_FAILURE_INVALID_PARAMETER_VALUE;
memcpy(&scic->user_parameters, scic_parms, sizeof(*scic_parms));
memcpy(&ihost->user_parameters, scic_parms, sizeof(*scic_parms));
return SCI_SUCCESS;
}
......@@ -2309,40 +2290,40 @@ static enum sci_status scic_user_parameters_set(
return SCI_FAILURE_INVALID_STATE;
}
static int scic_controller_mem_init(struct scic_sds_controller *scic)
static int scic_controller_mem_init(struct isci_host *ihost)
{
struct device *dev = scic_to_dev(scic);
struct device *dev = &ihost->pdev->dev;
dma_addr_t dma;
size_t size;
int err;
size = SCU_MAX_COMPLETION_QUEUE_ENTRIES * sizeof(u32);
scic->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
if (!scic->completion_queue)
ihost->completion_queue = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
if (!ihost->completion_queue)
return -ENOMEM;
writel(lower_32_bits(dma), &scic->smu_registers->completion_queue_lower);
writel(upper_32_bits(dma), &scic->smu_registers->completion_queue_upper);
writel(lower_32_bits(dma), &ihost->smu_registers->completion_queue_lower);
writel(upper_32_bits(dma), &ihost->smu_registers->completion_queue_upper);
size = scic->remote_node_entries * sizeof(union scu_remote_node_context);
scic->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma,
size = ihost->remote_node_entries * sizeof(union scu_remote_node_context);
ihost->remote_node_context_table = dmam_alloc_coherent(dev, size, &dma,
GFP_KERNEL);
if (!scic->remote_node_context_table)
if (!ihost->remote_node_context_table)
return -ENOMEM;
writel(lower_32_bits(dma), &scic->smu_registers->remote_node_context_lower);
writel(upper_32_bits(dma), &scic->smu_registers->remote_node_context_upper);
writel(lower_32_bits(dma), &ihost->smu_registers->remote_node_context_lower);
writel(upper_32_bits(dma), &ihost->smu_registers->remote_node_context_upper);
size = scic->task_context_entries * sizeof(struct scu_task_context),
scic->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
if (!scic->task_context_table)
size = ihost->task_context_entries * sizeof(struct scu_task_context),
ihost->task_context_table = dmam_alloc_coherent(dev, size, &dma, GFP_KERNEL);
if (!ihost->task_context_table)
return -ENOMEM;
scic->task_context_dma = dma;
writel(lower_32_bits(dma), &scic->smu_registers->host_task_table_lower);
writel(upper_32_bits(dma), &scic->smu_registers->host_task_table_upper);
ihost->task_context_dma = dma;
writel(lower_32_bits(dma), &ihost->smu_registers->host_task_table_lower);
writel(upper_32_bits(dma), &ihost->smu_registers->host_task_table_upper);
err = scic_sds_unsolicited_frame_control_construct(scic);
err = scic_sds_unsolicited_frame_control_construct(ihost);
if (err)
return err;
......@@ -2350,112 +2331,112 @@ static int scic_controller_mem_init(struct scic_sds_controller *scic)
* Inform the silicon as to the location of the UF headers and
* address table.
*/
writel(lower_32_bits(scic->uf_control.headers.physical_address),
&scic->scu_registers->sdma.uf_header_base_address_lower);
writel(upper_32_bits(scic->uf_control.headers.physical_address),
&scic->scu_registers->sdma.uf_header_base_address_upper);
writel(lower_32_bits(ihost->uf_control.headers.physical_address),
&ihost->scu_registers->sdma.uf_header_base_address_lower);
writel(upper_32_bits(ihost->uf_control.headers.physical_address),
&ihost->scu_registers->sdma.uf_header_base_address_upper);
writel(lower_32_bits(scic->uf_control.address_table.physical_address),
&scic->scu_registers->sdma.uf_address_table_lower);
writel(upper_32_bits(scic->uf_control.address_table.physical_address),
&scic->scu_registers->sdma.uf_address_table_upper);
writel(lower_32_bits(ihost->uf_control.address_table.physical_address),
&ihost->scu_registers->sdma.uf_address_table_lower);
writel(upper_32_bits(ihost->uf_control.address_table.physical_address),
&ihost->scu_registers->sdma.uf_address_table_upper);
return 0;
}
int isci_host_init(struct isci_host *isci_host)
int isci_host_init(struct isci_host *ihost)
{
int err = 0, i;
enum sci_status status;
union scic_oem_parameters oem;
union scic_user_parameters scic_user_params;
struct isci_pci_info *pci_info = to_pci_info(isci_host->pdev);
struct isci_pci_info *pci_info = to_pci_info(ihost->pdev);
spin_lock_init(&isci_host->state_lock);
spin_lock_init(&isci_host->scic_lock);
init_waitqueue_head(&isci_host->eventq);
spin_lock_init(&ihost->state_lock);
spin_lock_init(&ihost->scic_lock);
init_waitqueue_head(&ihost->eventq);
isci_host_change_state(isci_host, isci_starting);
isci_host_change_state(ihost, isci_starting);
status = scic_controller_construct(&isci_host->sci, scu_base(isci_host),
smu_base(isci_host));
status = scic_controller_construct(ihost, scu_base(ihost),
smu_base(ihost));
if (status != SCI_SUCCESS) {
dev_err(&isci_host->pdev->dev,
dev_err(&ihost->pdev->dev,
"%s: scic_controller_construct failed - status = %x\n",
__func__,
status);
return -ENODEV;
}
isci_host->sas_ha.dev = &isci_host->pdev->dev;
isci_host->sas_ha.lldd_ha = isci_host;
ihost->sas_ha.dev = &ihost->pdev->dev;
ihost->sas_ha.lldd_ha = ihost;
/*
* grab initial values stored in the controller object for OEM and USER
* parameters
*/
isci_user_parameters_get(isci_host, &scic_user_params);
status = scic_user_parameters_set(&isci_host->sci,
isci_user_parameters_get(ihost, &scic_user_params);
status = scic_user_parameters_set(ihost,
&scic_user_params);
if (status != SCI_SUCCESS) {
dev_warn(&isci_host->pdev->dev,
dev_warn(&ihost->pdev->dev,
"%s: scic_user_parameters_set failed\n",
__func__);
return -ENODEV;
}
scic_oem_parameters_get(&isci_host->sci, &oem);
scic_oem_parameters_get(ihost, &oem);
/* grab any OEM parameters specified in orom */
if (pci_info->orom) {
status = isci_parse_oem_parameters(&oem,
pci_info->orom,
isci_host->id);
ihost->id);
if (status != SCI_SUCCESS) {
dev_warn(&isci_host->pdev->dev,
dev_warn(&ihost->pdev->dev,
"parsing firmware oem parameters failed\n");
return -EINVAL;
}
}
status = scic_oem_parameters_set(&isci_host->sci, &oem);
status = scic_oem_parameters_set(ihost, &oem);
if (status != SCI_SUCCESS) {
dev_warn(&isci_host->pdev->dev,
dev_warn(&ihost->pdev->dev,
"%s: scic_oem_parameters_set failed\n",
__func__);
return -ENODEV;
}
tasklet_init(&isci_host->completion_tasklet,
isci_host_completion_routine, (unsigned long)isci_host);
tasklet_init(&ihost->completion_tasklet,
isci_host_completion_routine, (unsigned long)ihost);
INIT_LIST_HEAD(&isci_host->requests_to_complete);
INIT_LIST_HEAD(&isci_host->requests_to_errorback);
INIT_LIST_HEAD(&ihost->requests_to_complete);
INIT_LIST_HEAD(&ihost->requests_to_errorback);
spin_lock_irq(&isci_host->scic_lock);
status = scic_controller_initialize(&isci_host->sci);
spin_unlock_irq(&isci_host->scic_lock);
spin_lock_irq(&ihost->scic_lock);
status = scic_controller_initialize(ihost);
spin_unlock_irq(&ihost->scic_lock);
if (status != SCI_SUCCESS) {
dev_warn(&isci_host->pdev->dev,
dev_warn(&ihost->pdev->dev,
"%s: scic_controller_initialize failed -"
" status = 0x%x\n",
__func__, status);
return -ENODEV;
}
err = scic_controller_mem_init(&isci_host->sci);
err = scic_controller_mem_init(ihost);
if (err)
return err;
for (i = 0; i < SCI_MAX_PORTS; i++)
isci_port_init(&isci_host->ports[i], isci_host, i);
isci_port_init(&ihost->ports[i], ihost, i);
for (i = 0; i < SCI_MAX_PHYS; i++)
isci_phy_init(&isci_host->phys[i], isci_host, i);
isci_phy_init(&ihost->phys[i], ihost, i);
for (i = 0; i < SCI_MAX_REMOTE_DEVICES; i++) {
struct isci_remote_device *idev = &isci_host->devices[i];
struct isci_remote_device *idev = &ihost->devices[i];
INIT_LIST_HEAD(&idev->reqs_in_process);
INIT_LIST_HEAD(&idev->node);
......@@ -2465,63 +2446,62 @@ int isci_host_init(struct isci_host *isci_host)
struct isci_request *ireq;
dma_addr_t dma;
ireq = dmam_alloc_coherent(&isci_host->pdev->dev,
ireq = dmam_alloc_coherent(&ihost->pdev->dev,
sizeof(struct isci_request), &dma,
GFP_KERNEL);
if (!ireq)
return -ENOMEM;
ireq->tc = &isci_host->sci.task_context_table[i];
ireq->owning_controller = &isci_host->sci;
ireq->tc = &ihost->task_context_table[i];
ireq->owning_controller = ihost;
spin_lock_init(&ireq->state_lock);
ireq->request_daddr = dma;
ireq->isci_host = isci_host;
isci_host->reqs[i] = ireq;
ireq->isci_host = ihost;
ihost->reqs[i] = ireq;
}
return 0;
}
void scic_sds_controller_link_up(struct scic_sds_controller *scic,
void scic_sds_controller_link_up(struct isci_host *ihost,
struct isci_port *iport, struct isci_phy *iphy)
{
switch (scic->sm.current_state_id) {
switch (ihost->sm.current_state_id) {
case SCIC_STARTING:
sci_del_timer(&scic->phy_timer);
scic->phy_startup_timer_pending = false;
scic->port_agent.link_up_handler(scic, &scic->port_agent,
sci_del_timer(&ihost->phy_timer);
ihost->phy_startup_timer_pending = false;
ihost->port_agent.link_up_handler(ihost, &ihost->port_agent,
iport, iphy);
scic_sds_controller_start_next_phy(scic);
scic_sds_controller_start_next_phy(ihost);
break;
case SCIC_READY:
scic->port_agent.link_up_handler(scic, &scic->port_agent,
ihost->port_agent.link_up_handler(ihost, &ihost->port_agent,
iport, iphy);
break;
default:
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: SCIC Controller linkup event from phy %d in "
"unexpected state %d\n", __func__, iphy->phy_index,
scic->sm.current_state_id);
ihost->sm.current_state_id);
}
}
void scic_sds_controller_link_down(struct scic_sds_controller *scic,
void scic_sds_controller_link_down(struct isci_host *ihost,
struct isci_port *iport, struct isci_phy *iphy)
{
switch (scic->sm.current_state_id) {
switch (ihost->sm.current_state_id) {
case SCIC_STARTING:
case SCIC_READY:
scic->port_agent.link_down_handler(scic, &scic->port_agent,
ihost->port_agent.link_down_handler(ihost, &ihost->port_agent,
iport, iphy);
break;
default:
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: SCIC Controller linkdown event from phy %d in "
"unexpected state %d\n",
__func__,
iphy->phy_index,
scic->sm.current_state_id);
ihost->sm.current_state_id);
}
}
......@@ -2530,14 +2510,13 @@ void scic_sds_controller_link_down(struct scic_sds_controller *scic,
* controller are still in the stopping state.
*
*/
static bool scic_sds_controller_has_remote_devices_stopping(
struct scic_sds_controller *controller)
static bool scic_sds_controller_has_remote_devices_stopping(struct isci_host *ihost)
{
u32 index;
for (index = 0; index < controller->remote_node_entries; index++) {
if ((controller->device_table[index] != NULL) &&
(controller->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING))
for (index = 0; index < ihost->remote_node_entries; index++) {
if ((ihost->device_table[index] != NULL) &&
(ihost->device_table[index]->sm.current_state_id == SCI_DEV_STOPPING))
return true;
}
......@@ -2548,20 +2527,20 @@ static bool scic_sds_controller_has_remote_devices_stopping(
* This method is called by the remote device to inform the controller
* object that the remote device has stopped.
*/
void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic,
void scic_sds_controller_remote_device_stopped(struct isci_host *ihost,
struct isci_remote_device *idev)
{
if (scic->sm.current_state_id != SCIC_STOPPING) {
dev_dbg(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_STOPPING) {
dev_dbg(&ihost->pdev->dev,
"SCIC Controller 0x%p remote device stopped event "
"from device 0x%p in unexpected state %d\n",
scic, idev,
scic->sm.current_state_id);
ihost, idev,
ihost->sm.current_state_id);
return;
}
if (!scic_sds_controller_has_remote_devices_stopping(scic)) {
sci_change_state(&scic->sm, SCIC_STOPPED);
if (!scic_sds_controller_has_remote_devices_stopping(ihost)) {
sci_change_state(&ihost->sm, SCIC_STOPPED);
}
}
......@@ -2573,32 +2552,32 @@ void scic_sds_controller_remote_device_stopped(struct scic_sds_controller *scic,
*
*/
void scic_sds_controller_post_request(
struct scic_sds_controller *scic,
struct isci_host *ihost,
u32 request)
{
dev_dbg(scic_to_dev(scic),
dev_dbg(&ihost->pdev->dev,
"%s: SCIC Controller 0x%p post request 0x%08x\n",
__func__,
scic,
ihost,
request);
writel(request, &scic->smu_registers->post_context_port);
writel(request, &ihost->smu_registers->post_context_port);
}
struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag)
struct isci_request *scic_request_by_tag(struct isci_host *ihost, u16 io_tag)
{
u16 task_index;
u16 task_sequence;
task_index = ISCI_TAG_TCI(io_tag);
if (task_index < scic->task_context_entries) {
struct isci_request *ireq = scic_to_ihost(scic)->reqs[task_index];
if (task_index < ihost->task_context_entries) {
struct isci_request *ireq = ihost->reqs[task_index];
if (test_bit(IREQ_ACTIVE, &ireq->flags)) {
task_sequence = ISCI_TAG_SEQ(io_tag);
if (task_sequence == scic->io_request_sequence[task_index])
if (task_sequence == ihost->io_request_sequence[task_index])
return ireq;
}
}
......@@ -2621,7 +2600,7 @@ struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 i
* node index available.
*/
enum sci_status scic_sds_controller_allocate_remote_node_context(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
u16 *node_id)
{
......@@ -2629,11 +2608,11 @@ enum sci_status scic_sds_controller_allocate_remote_node_context(
u32 remote_node_count = scic_sds_remote_device_node_count(idev);
node_index = scic_sds_remote_node_table_allocate_remote_node(
&scic->available_remote_nodes, remote_node_count
&ihost->available_remote_nodes, remote_node_count
);
if (node_index != SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX) {
scic->device_table[node_index] = idev;
ihost->device_table[node_index] = idev;
*node_id = node_index;
......@@ -2653,17 +2632,17 @@ enum sci_status scic_sds_controller_allocate_remote_node_context(
*
*/
void scic_sds_controller_free_remote_node_context(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
u16 node_id)
{
u32 remote_node_count = scic_sds_remote_device_node_count(idev);
if (scic->device_table[node_id] == idev) {
scic->device_table[node_id] = NULL;
if (ihost->device_table[node_id] == idev) {
ihost->device_table[node_id] = NULL;
scic_sds_remote_node_table_release_remote_node_index(
&scic->available_remote_nodes, remote_node_count, node_id
&ihost->available_remote_nodes, remote_node_count, node_id
);
}
}
......@@ -2677,14 +2656,14 @@ void scic_sds_controller_free_remote_node_context(
* union scu_remote_node_context*
*/
union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffer(
struct scic_sds_controller *scic,
struct isci_host *ihost,
u16 node_id
) {
if (
(node_id < scic->remote_node_entries)
&& (scic->device_table[node_id] != NULL)
(node_id < ihost->remote_node_entries)
&& (ihost->device_table[node_id] != NULL)
) {
return &scic->remote_node_context_table[node_id];
return &ihost->remote_node_context_table[node_id];
}
return NULL;
......@@ -2722,13 +2701,13 @@ void scic_sds_controller_copy_sata_response(
*
*/
void scic_sds_controller_release_frame(
struct scic_sds_controller *scic,
struct isci_host *ihost,
u32 frame_index)
{
if (scic_sds_unsolicited_frame_control_release_frame(
&scic->uf_control, frame_index) == true)
writel(scic->uf_control.get,
&scic->scu_registers->sdma.unsolicited_frame_get_pointer);
&ihost->uf_control, frame_index) == true)
writel(ihost->uf_control.get,
&ihost->scu_registers->sdma.unsolicited_frame_get_pointer);
}
void isci_tci_free(struct isci_host *ihost, u16 tci)
......@@ -2757,7 +2736,7 @@ u16 isci_alloc_tag(struct isci_host *ihost)
{
if (isci_tci_space(ihost)) {
u16 tci = isci_tci_alloc(ihost);
u8 seq = ihost->sci.io_request_sequence[tci];
u8 seq = ihost->io_request_sequence[tci];
return ISCI_TAG(seq, tci);
}
......@@ -2767,7 +2746,6 @@ u16 isci_alloc_tag(struct isci_host *ihost)
enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
{
struct scic_sds_controller *scic = &ihost->sci;
u16 tci = ISCI_TAG_TCI(io_tag);
u16 seq = ISCI_TAG_SEQ(io_tag);
......@@ -2775,8 +2753,8 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
if (isci_tci_active(ihost) == 0)
return SCI_FAILURE_INVALID_IO_TAG;
if (seq == scic->io_request_sequence[tci]) {
scic->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1);
if (seq == ihost->io_request_sequence[tci]) {
ihost->io_request_sequence[tci] = (seq+1) & (SCI_MAX_SEQ-1);
isci_tci_free(ihost, tci);
......@@ -2797,23 +2775,23 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
* @io_tag: This parameter specifies a previously allocated IO tag that the
* user desires to be utilized for this request.
*/
enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
enum sci_status scic_controller_start_io(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
enum sci_status status;
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic), "invalid state to start I/O");
if (ihost->sm.current_state_id != SCIC_READY) {
dev_warn(&ihost->pdev->dev, "invalid state to start I/O");
return SCI_FAILURE_INVALID_STATE;
}
status = scic_sds_remote_device_start_io(scic, idev, ireq);
status = scic_sds_remote_device_start_io(ihost, idev, ireq);
if (status != SCI_SUCCESS)
return status;
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq));
return SCI_SUCCESS;
}
......@@ -2834,14 +2812,14 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
* for the request. Determine the failure situations and return values.
*/
enum sci_status scic_controller_terminate_request(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
enum sci_status status;
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_READY) {
dev_warn(&ihost->pdev->dev,
"invalid state to terminate request\n");
return SCI_FAILURE_INVALID_STATE;
}
......@@ -2854,7 +2832,7 @@ enum sci_status scic_controller_terminate_request(
* Utilize the original post context command and or in the POST_TC_ABORT
* request sub-type.
*/
scic_sds_controller_post_request(scic,
scic_sds_controller_post_request(ihost,
scic_sds_request_get_post_context(ireq) |
SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT);
return SCI_SUCCESS;
......@@ -2872,19 +2850,19 @@ enum sci_status scic_controller_terminate_request(
* @io_request: the handle to the io request object to complete.
*/
enum sci_status scic_controller_complete_io(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
enum sci_status status;
u16 index;
switch (scic->sm.current_state_id) {
switch (ihost->sm.current_state_id) {
case SCIC_STOPPING:
/* XXX: Implement this function */
return SCI_FAILURE;
case SCIC_READY:
status = scic_sds_remote_device_complete_io(scic, idev, ireq);
status = scic_sds_remote_device_complete_io(ihost, idev, ireq);
if (status != SCI_SUCCESS)
return status;
......@@ -2892,7 +2870,7 @@ enum sci_status scic_controller_complete_io(
clear_bit(IREQ_ACTIVE, &ireq->flags);
return SCI_SUCCESS;
default:
dev_warn(scic_to_dev(scic), "invalid state to complete I/O");
dev_warn(&ihost->pdev->dev, "invalid state to complete I/O");
return SCI_FAILURE_INVALID_STATE;
}
......@@ -2900,15 +2878,15 @@ enum sci_status scic_controller_complete_io(
enum sci_status scic_controller_continue_io(struct isci_request *ireq)
{
struct scic_sds_controller *scic = ireq->owning_controller;
struct isci_host *ihost = ireq->owning_controller;
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic), "invalid state to continue I/O");
if (ihost->sm.current_state_id != SCIC_READY) {
dev_warn(&ihost->pdev->dev, "invalid state to continue I/O");
return SCI_FAILURE_INVALID_STATE;
}
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
scic_sds_controller_post_request(ihost, scic_sds_request_get_post_context(ireq));
return SCI_SUCCESS;
}
......@@ -2922,21 +2900,21 @@ enum sci_status scic_controller_continue_io(struct isci_request *ireq)
* @task_request: the handle to the task request object to start.
*/
enum sci_task_status scic_controller_start_task(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
enum sci_status status;
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic),
if (ihost->sm.current_state_id != SCIC_READY) {
dev_warn(&ihost->pdev->dev,
"%s: SCIC Controller starting task from invalid "
"state\n",
__func__);
return SCI_TASK_FAILURE_INVALID_STATE;
}
status = scic_sds_remote_device_start_task(scic, idev, ireq);
status = scic_sds_remote_device_start_task(ihost, idev, ireq);
switch (status) {
case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS:
set_bit(IREQ_ACTIVE, &ireq->flags);
......@@ -2950,7 +2928,7 @@ enum sci_task_status scic_controller_start_task(
case SCI_SUCCESS:
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic,
scic_sds_controller_post_request(ihost,
scic_sds_request_get_post_context(ireq));
break;
default:
......
drivers/scsi/isci/host.h
View file @ d9dcb4ba
......@@ -106,7 +106,7 @@ struct scic_power_control {
};
struct scic_sds_port_configuration_agent;
typedef void (*port_config_fn)(struct scic_sds_controller *,
typedef void (*port_config_fn)(struct isci_host *,
struct scic_sds_port_configuration_agent *,
struct isci_port *, struct isci_phy *);
......@@ -124,171 +124,66 @@ struct scic_sds_port_configuration_agent {
};
/**
* struct scic_sds_controller -
*
* This structure represents the SCU controller object.
* isci_host - primary host/controller object
* @timer: timeout start/stop operations
* @device_table: rni (hw remote node index) to remote device lookup table
* @available_remote_nodes: rni allocator
* @power_control: manage device spin up
* @io_request_sequence: generation number for tci's (task contexts)
* @task_context_table: hw task context table
* @remote_node_context_table: hw remote node context table
* @completion_queue: hw-producer driver-consumer communication ring
* @completion_queue_get: tracks the driver 'head' of the ring to notify hw
* @logical_port_entries: min({driver|silicon}-supported-port-count)
* @remote_node_entries: min({driver|silicon}-supported-node-count)
* @task_context_entries: min({driver|silicon}-supported-task-count)
* @phy_timer: phy startup timer
* @invalid_phy_mask: if an invalid_link_up notification is reported a bit for
* the phy index is set so further notifications are not
* made. Once the phy reports link up and is made part of a
* port then this bit is cleared.
*/
struct scic_sds_controller {
/**
* This field contains the information for the base controller state
* machine.
*/
struct isci_host {
struct sci_base_state_machine sm;
/**
* Timer for controller start/stop operations.
*/
/* XXX can we time this externally */
struct sci_timer timer;
/**
* This field contains the user parameters to be utilized for this
* core controller object.
*/
/* XXX drop reference module params directly */
union scic_user_parameters user_parameters;
/**
* This field contains the OEM parameters to be utilized for this
* core controller object.
*/
/* XXX no need to be a union */
union scic_oem_parameters oem_parameters;
/**
* This field contains the port configuration agent for this controller.
*/
struct scic_sds_port_configuration_agent port_agent;
/**
* This field is the array of device objects that are currently constructed
* for this controller object. This table is used as a fast lookup of device
* objects that need to handle device completion notifications from the
* hardware. The table is RNi based.
*/
struct isci_remote_device *device_table[SCI_MAX_REMOTE_DEVICES];
/**
* This field is the free RNi data structure
*/
struct scic_remote_node_table available_remote_nodes;
/**
* This filed is the struct scic_power_control data used to controll when direct
* attached devices can consume power.
*/
struct scic_power_control power_control;
/* sequence number per tci */
u8 io_request_sequence[SCI_MAX_IO_REQUESTS];
/**
* This field is a pointer to the memory allocated by the driver for the task
* context table. This data is shared between the hardware and software.
*/
struct scu_task_context *task_context_table;
dma_addr_t task_context_dma;
/**
* This field is a pointer to the memory allocated by the driver for the
* remote node context table. This table is shared between the hardware and
* software.
*/
union scu_remote_node_context *remote_node_context_table;
/**
* This field is a pointer to the completion queue. This memory is
* written to by the hardware and read by the software.
*/
u32 *completion_queue;
/**
* This field is the software copy of the completion queue get pointer. The
* controller object writes this value to the hardware after processing the
* completion entries.
*/
u32 completion_queue_get;
/**
* This field is the minimum of the number of hardware supported port entries
* and the software requested port entries.
*/
u32 logical_port_entries;
/**
* This field is the minimum number of devices supported by the hardware and
* the number of devices requested by the software.
*/
u32 remote_node_entries;
/**
* This field is the minimum number of IO requests supported by the hardware
* and the number of IO requests requested by the software.
*/
u32 task_context_entries;
/**
* This object contains all of the unsolicited frame specific
* data utilized by the core controller.
*/
struct scic_sds_unsolicited_frame_control uf_control;
/* Phy Startup Data */
/**
* Timer for controller phy request startup. On controller start the
* controller will start each PHY individually in order of phy index.
*/
/* phy startup */
struct sci_timer phy_timer;
/**
* This field is set when the phy_timer is running and is cleared when
* the phy_timer is stopped.
*/
/* XXX kill */
bool phy_startup_timer_pending;
/**
* This field is the index of the next phy start. It is initialized to 0 and
* increments for each phy index that is started.
*/
u32 next_phy_to_start;
/**
* This field controlls the invalid link up notifications to the SCI_USER. If
* an invalid_link_up notification is reported a bit for the PHY index is set
* so further notifications are not made. Once the PHY object reports link up
* and is made part of a port then this bit for the PHY index is cleared.
*/
u8 invalid_phy_mask;
/*
* This field saves the current interrupt coalescing number of the controller.
*/
/* TODO attempt dynamic interrupt coalescing scheme */
u16 interrupt_coalesce_number;
/*
* This field saves the current interrupt coalescing timeout value in microseconds.
*/
u32 interrupt_coalesce_timeout;
/**
* This field is a pointer to the memory mapped register space for the
* struct smu_registers.
*/
struct smu_registers __iomem *smu_registers;
/**
* This field is a pointer to the memory mapped register space for the
* struct scu_registers.
*/
struct scu_registers __iomem *scu_registers;
};
struct isci_host {
struct scic_sds_controller sci;
u16 tci_head;
u16 tci_tail;
u16 tci_pool[SCI_MAX_IO_REQUESTS];
union scic_oem_parameters oem_parameters;
int id; /* unique within a given pci device */
struct isci_phy phys[SCI_MAX_PHYS];
struct isci_port ports[SCI_MAX_PORTS + 1]; /* includes dummy port */
......@@ -464,14 +359,6 @@ static inline struct isci_host *dev_to_ihost(struct domain_device *dev)
return dev->port->ha->lldd_ha;
}
static inline struct isci_host *scic_to_ihost(struct scic_sds_controller *scic)
{
/* XXX delete after merging scic_sds_contoller and isci_host */
struct isci_host *ihost = container_of(scic, typeof(*ihost), sci);
return ihost;
}
/**
* scic_sds_controller_get_protocol_engine_group() -
*
......@@ -518,11 +405,6 @@ static inline int scic_sds_remote_device_node_count(struct isci_remote_device *i
#define scic_sds_controller_clear_invalid_phy(controller, phy) \
((controller)->invalid_phy_mask &= ~(1 << (phy)->phy_index))
static inline struct device *scic_to_dev(struct scic_sds_controller *scic)
{
return &scic_to_ihost(scic)->pdev->dev;
}
static inline struct device *sciphy_to_dev(struct isci_phy *iphy)
{
......@@ -578,54 +460,54 @@ static inline bool is_c0(void)
return isci_si_rev > ISCI_SI_REVB0;
}
void scic_sds_controller_post_request(struct scic_sds_controller *scic,
void scic_sds_controller_post_request(struct isci_host *ihost,
u32 request);
void scic_sds_controller_release_frame(struct scic_sds_controller *scic,
void scic_sds_controller_release_frame(struct isci_host *ihost,
u32 frame_index);
void scic_sds_controller_copy_sata_response(void *response_buffer,
void *frame_header,
void *frame_buffer);
enum sci_status scic_sds_controller_allocate_remote_node_context(struct scic_sds_controller *scic,
enum sci_status scic_sds_controller_allocate_remote_node_context(struct isci_host *ihost,
struct isci_remote_device *idev,
u16 *node_id);
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);
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);
struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic,
struct isci_request *scic_request_by_tag(struct isci_host *ihost,
u16 io_tag);
void scic_sds_controller_power_control_queue_insert(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_phy *iphy);
void scic_sds_controller_power_control_queue_remove(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_phy *iphy);
void scic_sds_controller_link_up(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_port *iport,
struct isci_phy *iphy);
void scic_sds_controller_link_down(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_port *iport,
struct isci_phy *iphy);
void scic_sds_controller_remote_device_stopped(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev);
void scic_sds_controller_copy_task_context(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_request *ireq);
void scic_sds_controller_register_setup(struct scic_sds_controller *scic);
void scic_sds_controller_register_setup(struct isci_host *ihost);
enum sci_status scic_controller_continue_io(struct isci_request *ireq);
int isci_host_scan_finished(struct Scsi_Host *, unsigned long);
......@@ -655,25 +537,25 @@ void isci_host_remote_device_start_complete(
enum sci_status);
void scic_controller_disable_interrupts(
struct scic_sds_controller *scic);
struct isci_host *ihost);
enum sci_status scic_controller_start_io(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq);
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 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 scic_controller_complete_io(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq);
......@@ -681,6 +563,6 @@ void scic_sds_port_configuration_agent_construct(
struct scic_sds_port_configuration_agent *port_agent);
enum sci_status scic_sds_port_configuration_agent_initialize(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent);
#endif
drivers/scsi/isci/init.c
View file @ d9dcb4ba
......@@ -548,13 +548,13 @@ static int __devinit isci_pci_probe(struct pci_dev *pdev, const struct pci_devic
static void __devexit isci_pci_remove(struct pci_dev *pdev)
{
struct isci_host *isci_host;
struct isci_host *ihost;
int i;
for_each_isci_host(i, isci_host, pdev) {
isci_unregister(isci_host);
isci_host_deinit(isci_host);
scic_controller_disable_interrupts(&isci_host->sci);
for_each_isci_host(i, ihost, pdev) {
isci_unregister(ihost);
isci_host_deinit(ihost);
scic_controller_disable_interrupts(ihost);
}
}
......
drivers/scsi/isci/phy.c
View file @ d9dcb4ba
......@@ -112,13 +112,13 @@ static enum sci_status
scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
struct scu_link_layer_registers __iomem *link_layer_registers)
{
struct scic_sds_controller *scic =
struct isci_host *ihost =
iphy->owning_port->owning_controller;
int phy_idx = iphy->phy_index;
struct sci_phy_user_params *phy_user =
&scic->user_parameters.sds1.phys[phy_idx];
&ihost->user_parameters.sds1.phys[phy_idx];
struct sci_phy_oem_params *phy_oem =
&scic->oem_parameters.sds1.phys[phy_idx];
&ihost->oem_parameters.sds1.phys[phy_idx];
u32 phy_configuration;
struct scic_phy_cap phy_cap;
u32 parity_check = 0;
......@@ -169,7 +169,7 @@ scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
phy_cap.gen3_no_ssc = 1;
phy_cap.gen2_no_ssc = 1;
phy_cap.gen1_no_ssc = 1;
if (scic->oem_parameters.sds1.controller.do_enable_ssc == true) {
if (ihost->oem_parameters.sds1.controller.do_enable_ssc == true) {
phy_cap.gen3_ssc = 1;
phy_cap.gen2_ssc = 1;
phy_cap.gen1_ssc = 1;
......@@ -216,7 +216,7 @@ scic_sds_phy_link_layer_initialization(struct isci_phy *iphy,
&iphy->link_layer_registers->afe_lookup_table_control);
llctl = SCU_SAS_LLCTL_GEN_VAL(NO_OUTBOUND_TASK_TIMEOUT,
(u8)scic->user_parameters.sds1.no_outbound_task_timeout);
(u8)ihost->user_parameters.sds1.no_outbound_task_timeout);
switch(phy_user->max_speed_generation) {
case SCIC_SDS_PARM_GEN3_SPEED:
......@@ -255,7 +255,7 @@ static void phy_sata_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
struct isci_phy *iphy = container_of(tmr, typeof(*iphy), sata_timer);
struct isci_host *ihost = scic_to_ihost(iphy->owning_port->owning_controller);
struct isci_host *ihost = iphy->owning_port->owning_controller;
unsigned long flags;
spin_lock_irqsave(&ihost->scic_lock, flags);
......@@ -890,7 +890,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
u32 frame_index)
{
enum scic_sds_phy_states state = iphy->sm.current_state_id;
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
struct isci_host *ihost = iphy->owning_port->owning_controller;
enum sci_status result;
unsigned long flags;
......@@ -899,7 +899,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
u32 *frame_words;
struct sas_identify_frame iaf;
result = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
result = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&frame_words);
......@@ -933,7 +933,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
"unexpected frame id %x\n",
__func__, frame_index);
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return result;
}
case SCI_PHY_SUB_AWAIT_SIG_FIS_UF: {
......@@ -950,7 +950,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
if ((frame_header->fis_type == FIS_REGD2H) &&
!(frame_header->status & ATA_BUSY)) {
scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
scic_sds_unsolicited_frame_control_get_buffer(&ihost->uf_control,
frame_index,
(void **)&fis_frame_data);
......@@ -971,7 +971,7 @@ enum sci_status scic_sds_phy_frame_handler(struct isci_phy *iphy,
__func__, frame_index);
/* Regardless of the result we are done with this frame with it */
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return result;
}
......@@ -994,33 +994,33 @@ static void scic_sds_phy_starting_initial_substate_enter(struct sci_base_state_m
static void scic_sds_phy_starting_await_sas_power_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
struct isci_host *ihost = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_insert(scic, iphy);
scic_sds_controller_power_control_queue_insert(ihost, iphy);
}
static void scic_sds_phy_starting_await_sas_power_substate_exit(struct sci_base_state_machine *sm)
{
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
struct isci_host *ihost = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_remove(scic, iphy);
scic_sds_controller_power_control_queue_remove(ihost, iphy);
}
static void scic_sds_phy_starting_await_sata_power_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
struct isci_host *ihost = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_insert(scic, iphy);
scic_sds_controller_power_control_queue_insert(ihost, iphy);
}
static void scic_sds_phy_starting_await_sata_power_substate_exit(struct sci_base_state_machine *sm)
{
struct isci_phy *iphy = container_of(sm, typeof(*iphy), sm);
struct scic_sds_controller *scic = iphy->owning_port->owning_controller;
struct isci_host *ihost = iphy->owning_port->owning_controller;
scic_sds_controller_power_control_queue_remove(scic, iphy);
scic_sds_controller_power_control_queue_remove(ihost, iphy);
}
static void scic_sds_phy_starting_await_sata_phy_substate_enter(struct sci_base_state_machine *sm)
......@@ -1313,7 +1313,7 @@ void isci_phy_init(struct isci_phy *iphy, struct isci_host *ihost, int index)
u64 sci_sas_addr;
__be64 sas_addr;
scic_oem_parameters_get(&ihost->sci, &oem);
scic_oem_parameters_get(ihost, &oem);
sci_sas_addr = oem.sds1.phys[index].sas_address.high;
sci_sas_addr <<= 32;
sci_sas_addr |= oem.sds1.phys[index].sas_address.low;
......
drivers/scsi/isci/port.c
View file @ d9dcb4ba
......@@ -365,11 +365,11 @@ static void isci_port_not_ready(struct isci_host *isci_host, struct isci_port *i
"%s: isci_port = %p\n", __func__, isci_port);
}
static void isci_port_stop_complete(struct scic_sds_controller *scic,
static void isci_port_stop_complete(struct isci_host *ihost,
struct isci_port *iport,
enum sci_status completion_status)
{
dev_dbg(&scic_to_ihost(scic)->pdev->dev, "Port stop complete\n");
dev_dbg(&ihost->pdev->dev, "Port stop complete\n");
}
/**
......@@ -541,8 +541,7 @@ static enum sci_status scic_sds_port_clear_phy(struct isci_port *iport,
/* Make sure that this phy is part of this port */
if (iport->phy_table[iphy->phy_index] == iphy &&
phy_get_non_dummy_port(iphy) == iport) {
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
/* Yep it is assigned to this port so remove it */
scic_sds_phy_set_port(iphy, &ihost->ports[SCI_MAX_PORTS]);
......@@ -654,10 +653,10 @@ static void scic_sds_port_construct_dummy_rnc(struct isci_port *iport, u16 rni)
*/
static void scic_sds_port_construct_dummy_task(struct isci_port *iport, u16 tag)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
struct scu_task_context *task_context;
task_context = &scic->task_context_table[ISCI_TAG_TCI(tag)];
task_context = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
memset(task_context, 0, sizeof(struct scu_task_context));
task_context->initiator_request = 1;
......@@ -674,13 +673,13 @@ static void scic_sds_port_construct_dummy_task(struct isci_port *iport, u16 tag)
static void scic_sds_port_destroy_dummy_resources(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
if (iport->reserved_tag != SCI_CONTROLLER_INVALID_IO_TAG)
isci_free_tag(scic_to_ihost(scic), iport->reserved_tag);
isci_free_tag(ihost, iport->reserved_tag);
if (iport->reserved_rni != SCU_DUMMY_INDEX)
scic_sds_remote_node_table_release_remote_node_index(&scic->available_remote_nodes,
scic_sds_remote_node_table_release_remote_node_index(&ihost->available_remote_nodes,
1, iport->reserved_rni);
iport->reserved_rni = SCU_DUMMY_INDEX;
......@@ -749,15 +748,14 @@ static void scic_sds_port_activate_phy(struct isci_port *iport,
struct isci_phy *iphy,
bool do_notify_user)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
if (iphy->protocol != SCIC_SDS_PHY_PROTOCOL_SATA)
scic_sds_phy_resume(iphy);
iport->active_phy_mask |= 1 << iphy->phy_index;
scic_sds_controller_clear_invalid_phy(scic, iphy);
scic_sds_controller_clear_invalid_phy(ihost, iphy);
if (do_notify_user == true)
isci_port_link_up(ihost, iport, iphy);
......@@ -767,8 +765,7 @@ void scic_sds_port_deactivate_phy(struct isci_port *iport,
struct isci_phy *iphy,
bool do_notify_user)
{
struct scic_sds_controller *scic = scic_sds_port_get_controller(iport);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = scic_sds_port_get_controller(iport);
iport->active_phy_mask &= ~(1 << iphy->phy_index);
......@@ -793,16 +790,16 @@ void scic_sds_port_deactivate_phy(struct isci_port *iport,
static void scic_sds_port_invalid_link_up(struct isci_port *iport,
struct isci_phy *iphy)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
/*
* Check to see if we have alreay reported this link as bad and if
* not go ahead and tell the SCI_USER that we have discovered an
* invalid link.
*/
if ((scic->invalid_phy_mask & (1 << iphy->phy_index)) == 0) {
scic_sds_controller_set_invalid_phy(scic, iphy);
dev_warn(&scic_to_ihost(scic)->pdev->dev, "Invalid link up!\n");
if ((ihost->invalid_phy_mask & (1 << iphy->phy_index)) == 0) {
scic_sds_controller_set_invalid_phy(ihost, iphy);
dev_warn(&ihost->pdev->dev, "Invalid link up!\n");
}
}
......@@ -931,7 +928,7 @@ static void port_timeout(unsigned long data)
{
struct sci_timer *tmr = (struct sci_timer *)data;
struct isci_port *iport = container_of(tmr, typeof(*iport), timer);
struct isci_host *ihost = scic_to_ihost(iport->owning_controller);
struct isci_host *ihost = iport->owning_controller;
unsigned long flags;
u32 current_state;
......@@ -1041,19 +1038,19 @@ static void scic_sds_port_suspend_port_task_scheduler(struct isci_port *iport)
*/
static void scic_sds_port_post_dummy_request(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
u16 tag = iport->reserved_tag;
struct scu_task_context *tc;
u32 command;
tc = &scic->task_context_table[ISCI_TAG_TCI(tag)];
tc = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
tc->abort = 0;
command = SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
iport->physical_port_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT |
ISCI_TAG_TCI(tag);
scic_sds_controller_post_request(scic, command);
scic_sds_controller_post_request(ihost, command);
}
/**
......@@ -1065,19 +1062,19 @@ static void scic_sds_port_post_dummy_request(struct isci_port *iport)
*/
static void scic_sds_port_abort_dummy_request(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
u16 tag = iport->reserved_tag;
struct scu_task_context *tc;
u32 command;
tc = &scic->task_context_table[ISCI_TAG_TCI(tag)];
tc = &ihost->task_context_table[ISCI_TAG_TCI(tag)];
tc->abort = 1;
command = SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT |
iport->physical_port_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT |
ISCI_TAG_TCI(tag);
scic_sds_controller_post_request(scic, command);
scic_sds_controller_post_request(ihost, command);
}
/**
......@@ -1115,8 +1112,7 @@ static void scic_sds_port_ready_substate_operational_enter(struct sci_base_state
{
u32 index;
struct isci_port *iport = container_of(sm, typeof(*iport), sm);
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
isci_port_ready(ihost, iport);
......@@ -1141,13 +1137,13 @@ static void scic_sds_port_ready_substate_operational_enter(struct sci_base_state
static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
u8 phys_index = iport->physical_port_index;
union scu_remote_node_context *rnc;
u16 rni = iport->reserved_rni;
u32 command;
rnc = &scic->remote_node_context_table[rni];
rnc = &ihost->remote_node_context_table[rni];
rnc->ssp.is_valid = false;
......@@ -1155,13 +1151,13 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
* controller and give it ample time to act before posting the rnc
* invalidate
*/
readl(&scic->smu_registers->interrupt_status); /* flush */
readl(&ihost->smu_registers->interrupt_status); /* flush */
udelay(10);
command = SCU_CONTEXT_COMMAND_POST_RNC_INVALIDATE |
phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
scic_sds_controller_post_request(scic, command);
scic_sds_controller_post_request(ihost, command);
}
/**
......@@ -1175,8 +1171,7 @@ static void scic_sds_port_invalidate_dummy_remote_node(struct isci_port *iport)
static void scic_sds_port_ready_substate_operational_exit(struct sci_base_state_machine *sm)
{
struct isci_port *iport = container_of(sm, typeof(*iport), sm);
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
/*
* Kill the dummy task for this port if it has not yet posted
......@@ -1194,8 +1189,7 @@ static void scic_sds_port_ready_substate_operational_exit(struct sci_base_state_
static void scic_sds_port_ready_substate_configuring_enter(struct sci_base_state_machine *sm)
{
struct isci_port *iport = container_of(sm, typeof(*iport), sm);
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
if (iport->active_phy_mask == 0) {
isci_port_not_ready(ihost, iport);
......@@ -1218,7 +1212,7 @@ static void scic_sds_port_ready_substate_configuring_exit(struct sci_base_state_
enum sci_status scic_sds_port_start(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
enum sci_status status = SCI_SUCCESS;
enum scic_sds_port_states state;
u32 phy_mask;
......@@ -1241,7 +1235,7 @@ enum sci_status scic_sds_port_start(struct isci_port *iport)
if (iport->reserved_rni == SCU_DUMMY_INDEX) {
u16 rni = scic_sds_remote_node_table_allocate_remote_node(
&scic->available_remote_nodes, 1);
&ihost->available_remote_nodes, 1);
if (rni != SCU_DUMMY_INDEX)
scic_sds_port_construct_dummy_rnc(iport, rni);
......@@ -1251,7 +1245,6 @@ enum sci_status scic_sds_port_start(struct isci_port *iport)
}
if (iport->reserved_tag == SCI_CONTROLLER_INVALID_IO_TAG) {
struct isci_host *ihost = scic_to_ihost(scic);
u16 tag;
tag = isci_alloc_tag(ihost);
......@@ -1634,30 +1627,30 @@ scic_sds_port_disable_port_task_scheduler(struct isci_port *iport)
static void scic_sds_port_post_dummy_remote_node(struct isci_port *iport)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = iport->owning_controller;
u8 phys_index = iport->physical_port_index;
union scu_remote_node_context *rnc;
u16 rni = iport->reserved_rni;
u32 command;
rnc = &scic->remote_node_context_table[rni];
rnc = &ihost->remote_node_context_table[rni];
rnc->ssp.is_valid = true;
command = SCU_CONTEXT_COMMAND_POST_RNC_32 |
phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
scic_sds_controller_post_request(scic, command);
scic_sds_controller_post_request(ihost, command);
/* ensure hardware has seen the post rnc command and give it
* ample time to act before sending the suspend
*/
readl(&scic->smu_registers->interrupt_status); /* flush */
readl(&ihost->smu_registers->interrupt_status); /* flush */
udelay(10);
command = SCU_CONTEXT_COMMAND_POST_RNC_SUSPEND_TX_RX |
phys_index << SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT | rni;
scic_sds_controller_post_request(scic, command);
scic_sds_controller_post_request(ihost, command);
}
static void scic_sds_port_stopped_state_enter(struct sci_base_state_machine *sm)
......@@ -1684,8 +1677,7 @@ static void scic_sds_port_stopped_state_exit(struct sci_base_state_machine *sm)
static void scic_sds_port_ready_state_enter(struct sci_base_state_machine *sm)
{
struct isci_port *iport = container_of(sm, typeof(*iport), sm);
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
u32 prev_state;
prev_state = iport->sm.previous_state_id;
......@@ -1758,7 +1750,7 @@ static const struct sci_base_state scic_sds_port_state_table[] = {
};
void scic_sds_port_construct(struct isci_port *iport, u8 index,
struct scic_sds_controller *scic)
struct isci_host *ihost)
{
sci_init_sm(&iport->sm, scic_sds_port_state_table, SCI_PORT_STOPPED);
......@@ -1767,7 +1759,7 @@ void scic_sds_port_construct(struct isci_port *iport, u8 index,
iport->active_phy_mask = 0;
iport->ready_exit = false;
iport->owning_controller = scic;
iport->owning_controller = ihost;
iport->started_request_count = 0;
iport->assigned_device_count = 0;
......@@ -1810,8 +1802,7 @@ void scic_sds_port_broadcast_change_received(
struct isci_port *iport,
struct isci_phy *iphy)
{
struct scic_sds_controller *scic = iport->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = iport->owning_controller;
/* notify the user. */
isci_port_bc_change_received(ihost, iport, iphy);
......
drivers/scsi/isci/port.h
View file @ d9dcb4ba
......@@ -115,7 +115,7 @@ struct isci_port {
u32 assigned_device_count;
u32 not_ready_reason;
struct isci_phy *phy_table[SCI_MAX_PHYS];
struct scic_sds_controller *owning_controller;
struct isci_host *owning_controller;
struct sci_timer timer;
struct scu_port_task_scheduler_registers __iomem *port_task_scheduler_registers;
/* XXX rework: only one register, no need to replicate per-port */
......@@ -243,7 +243,7 @@ static inline void scic_sds_port_decrement_request_count(struct isci_port *iport
void scic_sds_port_construct(
struct isci_port *iport,
u8 port_index,
struct scic_sds_controller *scic);
struct isci_host *ihost);
enum sci_status scic_sds_port_initialize(
struct isci_port *iport,
......
drivers/scsi/isci/port_config.c
View file @ d9dcb4ba
......@@ -113,7 +113,7 @@ static s32 sci_sas_address_compare(
* NULL if there is no matching port for the phy.
*/
static struct isci_port *scic_sds_port_configuration_agent_find_port(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct isci_phy *iphy)
{
u8 i;
......@@ -130,8 +130,7 @@ static struct isci_port *scic_sds_port_configuration_agent_find_port(
scic_sds_phy_get_sas_address(iphy, &phy_sas_address);
scic_sds_phy_get_attached_sas_address(iphy, &phy_attached_device_address);
for (i = 0; i < scic->logical_port_entries; i++) {
struct isci_host *ihost = scic_to_ihost(scic);
for (i = 0; i < ihost->logical_port_entries; i++) {
struct isci_port *iport = &ihost->ports[i];
scic_sds_port_get_sas_address(iport, &port_sas_address);
......@@ -158,10 +157,9 @@ static struct isci_port *scic_sds_port_configuration_agent_find_port(
* the port configuration is not valid for this port configuration agent.
*/
static enum sci_status scic_sds_port_configuration_agent_validate_ports(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent)
{
struct isci_host *ihost = scic_to_ihost(controller);
struct sci_sas_address first_address;
struct sci_sas_address second_address;
......@@ -239,17 +237,11 @@ static enum sci_status scic_sds_port_configuration_agent_validate_ports(
* Manual port configuration agent routines
* ****************************************************************************** */
/**
*
*
* This routine will verify that all of the phys in the same port are using the
* same SAS address.
*/
static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
struct scic_sds_controller *controller,
struct scic_sds_port_configuration_agent *port_agent)
/* verify all of the phys in the same port are using the same SAS address */
static enum sci_status
scic_sds_mpc_agent_validate_phy_configuration(struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent)
{
struct isci_host *ihost = scic_to_ihost(controller);
u32 phy_mask;
u32 assigned_phy_mask;
struct sci_sas_address sas_address;
......@@ -262,7 +254,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
sas_address.low = 0;
for (port_index = 0; port_index < SCI_MAX_PORTS; port_index++) {
phy_mask = controller->oem_parameters.sds1.ports[port_index].phy_mask;
phy_mask = ihost->oem_parameters.sds1.ports[port_index].phy_mask;
if (!phy_mask)
continue;
......@@ -324,7 +316,7 @@ static enum sci_status scic_sds_mpc_agent_validate_phy_configuration(
phy_index++;
}
return scic_sds_port_configuration_agent_validate_ports(controller, port_agent);
return scic_sds_port_configuration_agent_validate_ports(ihost, port_agent);
}
static void mpc_agent_timeout(unsigned long data)
......@@ -332,14 +324,12 @@ static void mpc_agent_timeout(unsigned long data)
u8 index;
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_port_configuration_agent *port_agent;
struct scic_sds_controller *scic;
struct isci_host *ihost;
unsigned long flags;
u16 configure_phy_mask;
port_agent = container_of(tmr, typeof(*port_agent), timer);
scic = container_of(port_agent, typeof(*scic), port_agent);
ihost = scic_to_ihost(scic);
ihost = container_of(port_agent, typeof(*ihost), port_agent);
spin_lock_irqsave(&ihost->scic_lock, flags);
......@@ -355,7 +345,7 @@ static void mpc_agent_timeout(unsigned long data)
struct isci_phy *iphy = &ihost->phys[index];
if (configure_phy_mask & (1 << index)) {
port_agent->link_up_handler(scic, port_agent,
port_agent->link_up_handler(ihost, port_agent,
phy_get_non_dummy_port(iphy),
iphy);
}
......@@ -365,7 +355,7 @@ static void mpc_agent_timeout(unsigned long data)
spin_unlock_irqrestore(&ihost->scic_lock, flags);
}
static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
static void scic_sds_mpc_agent_link_up(struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent,
struct isci_port *iport,
struct isci_phy *iphy)
......@@ -401,7 +391,7 @@ static void scic_sds_mpc_agent_link_up(struct scic_sds_controller *controller,
* link down notification from a phy that has no assocoated port?
*/
static void scic_sds_mpc_agent_link_down(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent,
struct isci_port *iport,
struct isci_phy *iphy)
......@@ -438,26 +428,17 @@ static void scic_sds_mpc_agent_link_down(
}
}
/*
* ******************************************************************************
* Automatic port configuration agent routines
* ****************************************************************************** */
/**
*
*
* This routine will verify that the phys are assigned a valid SAS address for
* automatic port configuration mode.
/* verify phys are assigned a valid SAS address for automatic port
* configuration mode.
*/
static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
struct scic_sds_controller *controller,
struct scic_sds_port_configuration_agent *port_agent)
static enum sci_status
scic_sds_apc_agent_validate_phy_configuration(struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent)
{
u8 phy_index;
u8 port_index;
struct sci_sas_address sas_address;
struct sci_sas_address phy_assigned_address;
struct isci_host *ihost = scic_to_ihost(controller);
phy_index = 0;
......@@ -484,10 +465,10 @@ static enum sci_status scic_sds_apc_agent_validate_phy_configuration(
}
}
return scic_sds_port_configuration_agent_validate_ports(controller, port_agent);
return scic_sds_port_configuration_agent_validate_ports(ihost, port_agent);
}
static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *controller,
static void scic_sds_apc_agent_configure_ports(struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent,
struct isci_phy *iphy,
bool start_timer)
......@@ -496,9 +477,8 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
enum sci_status status;
struct isci_port *iport;
enum SCIC_SDS_APC_ACTIVITY apc_activity = SCIC_SDS_APC_SKIP_PHY;
struct isci_host *ihost = scic_to_ihost(controller);
iport = scic_sds_port_configuration_agent_find_port(controller, iphy);
iport = scic_sds_port_configuration_agent_find_port(ihost, iphy);
if (iport) {
if (scic_sds_port_is_valid_phy_assignment(iport, iphy->phy_index))
......@@ -619,7 +599,7 @@ static void scic_sds_apc_agent_configure_ports(struct scic_sds_controller *contr
* notifications. Is it possible to get a link down notification from a phy
* that has no assocoated port?
*/
static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
static void scic_sds_apc_agent_link_up(struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent,
struct isci_port *iport,
struct isci_phy *iphy)
......@@ -629,7 +609,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
if (!iport) {
/* the phy is not the part of this port */
port_agent->phy_ready_mask |= 1 << phy_index;
scic_sds_apc_agent_configure_ports(scic, port_agent, iphy, true);
scic_sds_apc_agent_configure_ports(ihost, port_agent, iphy, true);
} else {
/* the phy is already the part of the port */
u32 port_state = iport->sm.current_state_id;
......@@ -658,7 +638,7 @@ static void scic_sds_apc_agent_link_up(struct scic_sds_controller *scic,
* port?
*/
static void scic_sds_apc_agent_link_down(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent,
struct isci_port *iport,
struct isci_phy *iphy)
......@@ -683,14 +663,12 @@ static void apc_agent_timeout(unsigned long data)
u32 index;
struct sci_timer *tmr = (struct sci_timer *)data;
struct scic_sds_port_configuration_agent *port_agent;
struct scic_sds_controller *scic;
struct isci_host *ihost;
unsigned long flags;
u16 configure_phy_mask;
port_agent = container_of(tmr, typeof(*port_agent), timer);
scic = container_of(port_agent, typeof(*scic), port_agent);
ihost = scic_to_ihost(scic);
ihost = container_of(port_agent, typeof(*ihost), port_agent);
spin_lock_irqsave(&ihost->scic_lock, flags);
......@@ -708,7 +686,7 @@ static void apc_agent_timeout(unsigned long data)
if ((configure_phy_mask & (1 << index)) == 0)
continue;
scic_sds_apc_agent_configure_ports(scic, port_agent,
scic_sds_apc_agent_configure_ports(ihost, port_agent,
&ihost->phys[index], false);
}
......@@ -748,17 +726,17 @@ void scic_sds_port_configuration_agent_construct(
}
enum sci_status scic_sds_port_configuration_agent_initialize(
struct scic_sds_controller *scic,
struct isci_host *ihost,
struct scic_sds_port_configuration_agent *port_agent)
{
enum sci_status status;
enum scic_port_configuration_mode mode;
mode = scic->oem_parameters.sds1.controller.mode_type;
mode = ihost->oem_parameters.sds1.controller.mode_type;
if (mode == SCIC_PORT_MANUAL_CONFIGURATION_MODE) {
status = scic_sds_mpc_agent_validate_phy_configuration(
scic, port_agent);
ihost, port_agent);
port_agent->link_up_handler = scic_sds_mpc_agent_link_up;
port_agent->link_down_handler = scic_sds_mpc_agent_link_down;
......@@ -766,7 +744,7 @@ enum sci_status scic_sds_port_configuration_agent_initialize(
sci_init_timer(&port_agent->timer, mpc_agent_timeout);
} else {
status = scic_sds_apc_agent_validate_phy_configuration(
scic, port_agent);
ihost, port_agent);
port_agent->link_up_handler = scic_sds_apc_agent_link_up;
port_agent->link_down_handler = scic_sds_apc_agent_link_down;
......
drivers/scsi/isci/probe_roms.h
View file @ d9dcb4ba
......@@ -165,7 +165,7 @@ struct scic_sds_oem_params;
int scic_oem_parameters_validate(struct scic_sds_oem_params *oem);
union scic_oem_parameters;
void scic_oem_parameters_get(struct scic_sds_controller *scic,
void scic_oem_parameters_get(struct isci_host *ihost,
union scic_oem_parameters *oem);
struct isci_orom;
......
drivers/scsi/isci/remote_device.c
View file @ d9dcb4ba
......@@ -62,7 +62,7 @@
#include "task.h"
/**
* isci_remote_device_not_ready() - This function is called by the scic when
* isci_remote_device_not_ready() - This function is called by the ihost when
* the remote device is not ready. We mark the isci device as ready (not
* "ready_for_io") and signal the waiting proccess.
* @isci_host: This parameter specifies the isci host object.
......@@ -92,7 +92,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
"%s: isci_device = %p request = %p\n",
__func__, idev, ireq);
scic_controller_terminate_request(&ihost->sci,
scic_controller_terminate_request(ihost,
idev,
ireq);
}
......@@ -104,7 +104,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
}
/**
* isci_remote_device_ready() - This function is called by the scic when the
* isci_remote_device_ready() - This function is called by the ihost when the
* remote device is ready. We mark the isci device as ready and signal the
* waiting proccess.
* @ihost: our valid isci_host
......@@ -135,8 +135,7 @@ static void rnc_destruct_done(void *_dev)
static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_remote_device *idev)
{
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = idev->owning_port->owning_controller;
enum sci_status status = SCI_SUCCESS;
u32 i;
......@@ -148,7 +147,7 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_rem
ireq->target_device != idev)
continue;
s = scic_controller_terminate_request(scic, idev, ireq);
s = scic_controller_terminate_request(ihost, idev, ireq);
if (s != SCI_SUCCESS)
status = s;
}
......@@ -276,7 +275,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
{
struct sci_base_state_machine *sm = &idev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
enum sci_status status;
switch (state) {
......@@ -290,7 +289,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
/* Return the frame back to the controller */
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_READY:
case SCI_STP_DEV_NCQ_ERROR:
......@@ -303,7 +302,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
void *frame_header;
ssize_t word_cnt;
status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
&frame_header);
if (status != SCI_SUCCESS)
......@@ -312,7 +311,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
word_cnt = sizeof(hdr) / sizeof(u32);
sci_swab32_cpy(&hdr, frame_header, word_cnt);
ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag));
ireq = scic_request_by_tag(ihost, be16_to_cpu(hdr.tag));
if (ireq && ireq->target_device == idev) {
/* The IO request is now in charge of releasing the frame */
status = scic_sds_io_request_frame_handler(ireq, frame_index);
......@@ -320,14 +319,14 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
/* We could not map this tag to a valid IO
* request Just toss the frame and continue
*/
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
}
break;
}
case SCI_STP_DEV_NCQ: {
struct dev_to_host_fis *hdr;
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 **)&hdr);
if (status != SCI_SUCCESS)
......@@ -350,7 +349,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
} else
status = SCI_FAILURE;
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
break;
}
case SCI_STP_DEV_CMD:
......@@ -461,7 +460,7 @@ static void scic_sds_remote_device_start_request(struct isci_remote_device *idev
}
}
enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_start_io(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
......@@ -597,7 +596,7 @@ static enum sci_status common_complete_io(struct isci_port *iport,
return status;
}
enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_complete_io(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
......@@ -678,7 +677,7 @@ static void scic_sds_remote_device_continue_request(void *dev)
scic_controller_continue_io(idev->working_request);
}
enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_start_task(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
......@@ -802,13 +801,13 @@ static void remote_device_resume_done(void *_dev)
static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *_dev)
{
struct isci_remote_device *idev = _dev;
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
/* For NCQ operation we do not issue a isci_remote_device_not_ready().
* As a result, avoid sending the ready notification.
*/
if (idev->sm.previous_state_id != SCI_STP_DEV_NCQ)
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm)
......@@ -836,7 +835,7 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
{
struct sci_base_state_machine *sm = &idev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
struct scic_sds_controller *scic;
struct isci_host *ihost;
if (state != SCI_DEV_STOPPED) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
......@@ -844,8 +843,8 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
return SCI_FAILURE_INVALID_STATE;
}
scic = idev->owning_port->owning_controller;
scic_sds_controller_free_remote_node_context(scic, idev,
ihost = idev->owning_port->owning_controller;
scic_sds_controller_free_remote_node_context(ihost, idev,
idev->rnc.remote_node_index);
idev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX;
sci_change_state(sm, SCI_DEV_FINAL);
......@@ -878,7 +877,7 @@ static void isci_remote_device_deconstruct(struct isci_host *ihost, struct isci_
static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
u32 prev_state;
/* If we are entering from the stopping state let the SCI User know that
......@@ -886,16 +885,15 @@ static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_mac
*/
prev_state = idev->sm.previous_state_id;
if (prev_state == SCI_DEV_STOPPING)
isci_remote_device_deconstruct(scic_to_ihost(scic), idev);
isci_remote_device_deconstruct(ihost, idev);
scic_sds_controller_remote_device_stopped(scic, idev);
scic_sds_controller_remote_device_stopped(ihost, idev);
}
static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED);
......@@ -904,7 +902,7 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_ma
static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
struct domain_device *dev = idev->domain_dev;
if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_SATA)) {
......@@ -912,7 +910,7 @@ static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machi
} else if (dev_is_expander(dev)) {
sci_change_state(&idev->sm, SCI_SMP_DEV_IDLE);
} else
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm)
......@@ -921,9 +919,9 @@ static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machin
struct domain_device *dev = idev->domain_dev;
if (dev->dev_type == SAS_END_DEV) {
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED);
}
}
......@@ -963,40 +961,40 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
BUG_ON(idev->working_request == NULL);
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
}
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
if (idev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
idev->not_ready_reason);
}
static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
BUG_ON(idev->working_request == NULL);
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED);
}
......@@ -1303,7 +1301,7 @@ void isci_remote_device_release(struct kref *kref)
* @isci_host: This parameter specifies the isci host object.
* @isci_device: This parameter specifies the remote device.
*
* The status of the scic request to stop.
* The status of the ihost request to stop.
*/
enum sci_status isci_remote_device_stop(struct isci_host *ihost, struct isci_remote_device *idev)
{
......
drivers/scsi/isci/remote_device.h
View file @ d9dcb4ba
......@@ -402,17 +402,17 @@ enum sci_status scic_sds_remote_device_event_handler(
u32 event_code);
enum sci_status scic_sds_remote_device_start_io(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq);
enum sci_status scic_sds_remote_device_start_task(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq);
enum sci_status scic_sds_remote_device_complete_io(
struct scic_sds_controller *controller,
struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq);
......
drivers/scsi/isci/remote_node_context.c
View file @ d9dcb4ba
......@@ -107,11 +107,11 @@ static void scic_sds_remote_node_context_construct_buffer(
struct domain_device *dev = idev->domain_dev;
int rni = sci_rnc->remote_node_index;
union scu_remote_node_context *rnc;
struct scic_sds_controller *scic;
struct isci_host *ihost;
__le64 sas_addr;
scic = scic_sds_remote_device_get_controller(idev);
rnc = scic_sds_controller_get_remote_node_context_buffer(scic, rni);
ihost = scic_sds_remote_device_get_controller(idev);
rnc = scic_sds_controller_get_remote_node_context_buffer(ihost, rni);
memset(rnc, 0, sizeof(union scu_remote_node_context)
* scic_sds_remote_device_node_count(idev));
......@@ -135,14 +135,14 @@ static void scic_sds_remote_node_context_construct_buffer(
if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
rnc->ssp.connection_occupancy_timeout =
scic->user_parameters.sds1.stp_max_occupancy_timeout;
ihost->user_parameters.sds1.stp_max_occupancy_timeout;
rnc->ssp.connection_inactivity_timeout =
scic->user_parameters.sds1.stp_inactivity_timeout;
ihost->user_parameters.sds1.stp_inactivity_timeout;
} else {
rnc->ssp.connection_occupancy_timeout =
scic->user_parameters.sds1.ssp_max_occupancy_timeout;
ihost->user_parameters.sds1.ssp_max_occupancy_timeout;
rnc->ssp.connection_inactivity_timeout =
scic->user_parameters.sds1.ssp_inactivity_timeout;
ihost->user_parameters.sds1.ssp_inactivity_timeout;
}
rnc->ssp.initial_arbitration_wait_time = 0;
......
drivers/scsi/isci/request.c
View file @ d9dcb4ba
......@@ -74,19 +74,19 @@ static struct scu_sgl_element_pair *to_sgl_element_pair(struct isci_request *ire
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]);
......@@ -102,8 +102,7 @@ static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg)
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;
......@@ -125,7 +124,7 @@ static void scic_sds_request_build_sgl(struct isci_request *ireq)
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);
......@@ -141,7 +140,7 @@ static void scic_sds_request_build_sgl(struct isci_request *ireq)
} 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);
......@@ -508,7 +507,7 @@ scic_io_request_construct_sata(struct isci_request *ireq,
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);
......@@ -518,7 +517,7 @@ scic_io_request_construct_sata(struct isci_request *ireq,
}
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);
......@@ -616,7 +615,7 @@ enum sci_status scic_task_request_construct_sata(struct isci_request *ireq)
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);
......@@ -639,11 +638,11 @@ enum sci_status scic_task_request_construct_sata(struct isci_request *ireq)
#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
......@@ -663,11 +662,11 @@ enum sci_status scic_sds_request_start(struct isci_request *ireq)
{
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;
......@@ -749,7 +748,7 @@ scic_sds_io_request_terminate(struct isci_request *ireq)
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__,
......@@ -763,7 +762,7 @@ scic_sds_io_request_terminate(struct isci_request *ireq)
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,
......@@ -771,7 +770,7 @@ enum sci_status scic_sds_request_complete(struct isci_request *ireq)
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? */
......@@ -783,12 +782,12 @@ enum sci_status scic_sds_io_request_event_handler(struct isci_request *ireq,
u32 event_code)
{
enum sci_base_request_states state;
struct scic_sds_controller *scic = 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;
......@@ -802,7 +801,7 @@ enum sci_status scic_sds_io_request_event_handler(struct isci_request *ireq,
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);
......@@ -1024,7 +1023,7 @@ static enum sci_status ssp_task_request_await_tc_event(struct isci_request *ireq
* 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);
......@@ -1073,7 +1072,7 @@ smp_request_await_response_tc_event(struct isci_request *ireq,
* 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);
......@@ -1451,18 +1450,18 @@ static void scic_sds_stp_request_udma_complete_request(
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);
......@@ -1471,7 +1470,7 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct is
frame_buffer);
}
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return status;
}
......@@ -1480,7 +1479,7 @@ enum sci_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;
......@@ -1492,7 +1491,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1503,7 +1502,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1522,7 +1521,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1532,7 +1531,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
* 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;
}
......@@ -1540,14 +1539,14 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1558,7 +1557,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1577,7 +1576,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
* 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__,
......@@ -1592,7 +1591,7 @@ scic_sds_io_request_frame_handler(struct isci_request *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;
}
......@@ -1619,12 +1618,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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__,
......@@ -1637,7 +1636,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1651,7 +1650,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1664,7 +1663,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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;
}
......@@ -1674,12 +1673,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1689,7 +1688,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1736,7 +1735,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
* 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",
......@@ -1746,7 +1745,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1767,7 +1766,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
}
/* 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;
}
......@@ -1776,12 +1775,12 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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__,
......@@ -1792,7 +1791,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
}
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",
......@@ -1808,7 +1807,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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;
}
......@@ -1816,7 +1815,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1824,7 +1823,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
(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
......@@ -1849,11 +1848,11 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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__,
......@@ -1865,7 +1864,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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);
......@@ -1880,7 +1879,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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__,
......@@ -1896,7 +1895,7 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
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;
}
......@@ -1905,18 +1904,18 @@ scic_sds_io_request_frame_handler(struct isci_request *ireq,
* 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;
}
}
......@@ -2042,7 +2041,7 @@ scic_sds_io_request_tc_completion(struct isci_request *ireq,
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;
......@@ -2089,7 +2088,7 @@ scic_sds_io_request_tc_completion(struct isci_request *ireq,
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__,
......@@ -2480,7 +2479,7 @@ static void isci_task_save_for_upper_layer_completion(
}
}
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)
{
......@@ -2495,7 +2494,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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__,
......@@ -2616,7 +2615,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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,
......@@ -2631,17 +2630,17 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
/* 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
......@@ -2662,7 +2661,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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__);
......@@ -2687,20 +2686,20 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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,
......@@ -2768,7 +2767,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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);
......@@ -2802,11 +2801,11 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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: {
......@@ -2814,7 +2813,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
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);
......@@ -2828,14 +2827,12 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
}
/* 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
......@@ -2885,8 +2882,7 @@ static void scic_sds_request_started_state_enter(struct sci_base_state_machine *
static void scic_sds_request_completed_state_enter(struct sci_base_state_machine *sm)
{
struct 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))
......@@ -2985,7 +2981,7 @@ static const struct sci_base_state scic_sds_request_state_table[] = {
};
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)
{
......@@ -3001,7 +2997,7 @@ scic_sds_general_request_construct(struct scic_sds_controller *scic,
}
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)
{
......@@ -3009,7 +3005,7 @@ scic_io_request_construct(struct scic_sds_controller *scic,
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;
......@@ -3028,7 +3024,7 @@ scic_io_request_construct(struct scic_sds_controller *scic,
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)
{
......@@ -3036,7 +3032,7 @@ enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
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)) {
......@@ -3156,7 +3152,7 @@ scic_io_request_construct_smp(struct device *dev,
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;
......@@ -3199,7 +3195,7 @@ scic_io_request_construct_smp(struct device *dev,
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) |
......@@ -3245,7 +3241,7 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq)
/**
* 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
......@@ -3253,14 +3249,14 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq)
*
* 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__,
......@@ -3277,7 +3273,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
!(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
......@@ -3287,10 +3283,10 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
return SCI_FAILURE_INSUFFICIENT_RESOURCES;
}
status = scic_io_request_construct(&isci_host->sci, 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;
......@@ -3309,7 +3305,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
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;
}
......@@ -3392,7 +3388,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
* 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 {
......@@ -3400,7 +3396,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
}
} 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);
}
......
drivers/scsi/isci/request.h
View file @ d9dcb4ba
......@@ -145,7 +145,7 @@ struct isci_request {
*/
struct completion *io_request_completion;
struct sci_base_state_machine sm;
struct scic_sds_controller *owning_controller;
struct isci_host *owning_controller;
struct isci_remote_device *target_device;
u16 io_tag;
enum sci_request_protocol protocol;
......@@ -500,7 +500,7 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
void isci_terminate_pending_requests(struct isci_host *ihost,
struct isci_remote_device *idev);
enum sci_status
scic_task_request_construct(struct scic_sds_controller *scic,
scic_task_request_construct(struct isci_host *ihost,
struct isci_remote_device *idev,
u16 io_tag,
struct isci_request *ireq);
......
drivers/scsi/isci/task.c
View file @ d9dcb4ba
......@@ -257,7 +257,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
return NULL;
/* let the core do it's construct. */
status = scic_task_request_construct(&ihost->sci, idev, tag,
status = scic_task_request_construct(ihost, idev, tag,
ireq);
if (status != SCI_SUCCESS) {
......@@ -332,7 +332,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
spin_lock_irqsave(&ihost->scic_lock, flags);
/* start the TMF io. */
status = scic_controller_start_task(&ihost->sci, idev, ireq);
status = scic_controller_start_task(ihost, idev, ireq);
if (status != SCI_TASK_SUCCESS) {
dev_warn(&ihost->pdev->dev,
......@@ -364,7 +364,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
if (tmf->cb_state_func != NULL)
tmf->cb_state_func(isci_tmf_timed_out, tmf, tmf->cb_data);
scic_controller_terminate_request(&ihost->sci,
scic_controller_terminate_request(ihost,
idev,
ireq);
......@@ -514,15 +514,14 @@ static void isci_request_cleanup_completed_loiterer(
* request, and wait for it to complete. This function must only be called
* from a thread that can wait. Note that the request is terminated and
* completed (back to the host, if started there).
* @isci_host: This SCU.
* @ihost: This SCU.
* @idev: The target.
* @isci_request: The I/O request to be terminated.
*
*/
static void isci_terminate_request_core(
struct isci_host *isci_host,
struct isci_remote_device *idev,
struct isci_request *isci_request)
static void isci_terminate_request_core(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *isci_request)
{
enum sci_status status = SCI_SUCCESS;
bool was_terminated = false;
......@@ -533,11 +532,11 @@ static void isci_terminate_request_core(
struct completion *io_request_completion;
struct sas_task *task;
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: device = %p; request = %p\n",
__func__, idev, isci_request);
spin_lock_irqsave(&isci_host->scic_lock, flags);
spin_lock_irqsave(&ihost->scic_lock, flags);
io_request_completion = isci_request->io_request_completion;
......@@ -557,12 +556,11 @@ static void isci_terminate_request_core(
if (!test_bit(IREQ_TERMINATED, &isci_request->flags)) {
was_terminated = true;
needs_cleanup_handling = true;
status = scic_controller_terminate_request(
&isci_host->sci,
idev,
isci_request);
status = scic_controller_terminate_request(ihost,
idev,
isci_request);
}
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
/*
* The only time the request to terminate will
......@@ -570,7 +568,7 @@ static void isci_terminate_request_core(
* being aborted.
*/
if (status != SCI_SUCCESS) {
dev_err(&isci_host->pdev->dev,
dev_err(&ihost->pdev->dev,
"%s: scic_controller_terminate_request"
" returned = 0x%x\n",
__func__, status);
......@@ -579,7 +577,7 @@ static void isci_terminate_request_core(
} else {
if (was_terminated) {
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: before completion wait (%p/%p)\n",
__func__, isci_request, io_request_completion);
......@@ -593,7 +591,7 @@ static void isci_terminate_request_core(
if (!termination_completed) {
/* The request to terminate has timed out. */
spin_lock_irqsave(&isci_host->scic_lock,
spin_lock_irqsave(&ihost->scic_lock,
flags);
/* Check for state changes. */
......@@ -623,12 +621,12 @@ static void isci_terminate_request_core(
} else
termination_completed = 1;
spin_unlock_irqrestore(&isci_host->scic_lock,
spin_unlock_irqrestore(&ihost->scic_lock,
flags);
if (!termination_completed) {
dev_err(&isci_host->pdev->dev,
dev_err(&ihost->pdev->dev,
"%s: *** Timeout waiting for "
"termination(%p/%p)\n",
__func__, io_request_completion,
......@@ -642,7 +640,7 @@ static void isci_terminate_request_core(
}
}
if (termination_completed)
dev_dbg(&isci_host->pdev->dev,
dev_dbg(&ihost->pdev->dev,
"%s: after completion wait (%p/%p)\n",
__func__, isci_request, io_request_completion);
}
......@@ -678,7 +676,7 @@ static void isci_terminate_request_core(
}
if (needs_cleanup_handling)
isci_request_cleanup_completed_loiterer(
isci_host, idev, isci_request, task);
ihost, idev, isci_request, task);
}
}
......@@ -1253,7 +1251,7 @@ isci_task_request_complete(struct isci_host *ihost,
/* PRINT_TMF( ((struct isci_tmf *)request->task)); */
tmf_complete = tmf->complete;
scic_controller_complete_io(&ihost->sci, ireq->target_device, ireq);
scic_controller_complete_io(ihost, ireq->target_device, ireq);
/* set the 'terminated' flag handle to make sure it cannot be terminated
* or completed again.
*/
......
drivers/scsi/isci/unsolicited_frame_control.c
View file @ d9dcb4ba
......@@ -57,9 +57,9 @@
#include "unsolicited_frame_control.h"
#include "registers.h"
int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *scic)
int scic_sds_unsolicited_frame_control_construct(struct isci_host *ihost)
{
struct scic_sds_unsolicited_frame_control *uf_control = &scic->uf_control;
struct scic_sds_unsolicited_frame_control *uf_control = &ihost->uf_control;
struct scic_sds_unsolicited_frame *uf;
u32 buf_len, header_len, i;
dma_addr_t dma;
......@@ -79,7 +79,7 @@ int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *sci
* memory descriptor entry. The headers and address table will be
* placed after the buffers.
*/
virt = dmam_alloc_coherent(scic_to_dev(scic), size, &dma, GFP_KERNEL);
virt = dmam_alloc_coherent(&ihost->pdev->dev, size, &dma, GFP_KERNEL);
if (!virt)
return -ENOMEM;
......
drivers/scsi/isci/unsolicited_frame_control.h
View file @ d9dcb4ba
......@@ -214,9 +214,9 @@ struct scic_sds_unsolicited_frame_control {
};
struct scic_sds_controller;
struct isci_host;
int scic_sds_unsolicited_frame_control_construct(struct scic_sds_controller *scic);
int scic_sds_unsolicited_frame_control_construct(struct isci_host *ihost);
enum sci_status scic_sds_unsolicited_frame_control_get_header(
struct scic_sds_unsolicited_frame_control *uf_control,
......
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