Skip to content

L
linux
Commit 5076a1a9 authored by Dan Williams's avatar Dan Williams
Browse files
Options

isci: unify isci_request and scic_sds_request 

They are one in the same object so remove the distinction.  The near
duplicate fields (owning_controller, and isci_host) will be cleaned up
after the scic_sds_contoller isci_host unification.
Reported-by: default avatarChristoph Hellwig <hch@lst.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
parent ba7cb223
Show whitespace changes
Inline Side-by-side
Showing with 514 additions and 615 deletions
drivers/scsi/isci/host.c
View file @ 5076a1a9
......@@ -258,21 +258,20 @@ static void scic_sds_controller_task_completion(struct scic_sds_controller *scic
u32 index = SCU_GET_COMPLETION_INDEX(completion_entry);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_request *ireq = ihost->reqs[index];
struct scic_sds_request *sci_req = &ireq->sci;
/* Make sure that we really want to process this IO request */
if (test_bit(IREQ_ACTIVE, &ireq->flags) &&
sci_req->io_tag != SCI_CONTROLLER_INVALID_IO_TAG &&
ISCI_TAG_SEQ(sci_req->io_tag) == scic->io_request_sequence[index])
ireq->io_tag != SCI_CONTROLLER_INVALID_IO_TAG &&
ISCI_TAG_SEQ(ireq->io_tag) == scic->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(sci_req, completion_entry);
scic_sds_io_request_tc_completion(ireq, completion_entry);
}
static void scic_sds_controller_sdma_completion(struct scic_sds_controller *scic,
u32 completion_entry)
{
u32 index;
struct scic_sds_request *io_request;
struct isci_request *ireq;
struct scic_sds_remote_device *device;
index = SCU_GET_COMPLETION_INDEX(completion_entry);
......@@ -280,41 +279,27 @@ 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:
io_request = &scic_to_ihost(scic)->reqs[index]->sci;
dev_warn(scic_to_dev(scic),
"%s: SCIC SDS Completion type SDMA %x for io request "
"%p\n",
__func__,
completion_entry,
io_request);
ireq = scic_to_ihost(scic)->reqs[index];
dev_warn(scic_to_dev(scic), "%s: %x for io request %p\n",
__func__, completion_entry, ireq);
/* @todo For a post TC operation we need to fail the IO
* request
*/
break;
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_DUMP_RNC:
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_OTHER_RNC:
case SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_RNC:
device = scic->device_table[index];
dev_warn(scic_to_dev(scic),
"%s: SCIC SDS Completion type SDMA %x for remote "
"device %p\n",
__func__,
completion_entry,
device);
dev_warn(scic_to_dev(scic), "%s: %x for device %p\n",
__func__, completion_entry, device);
/* @todo For a port RNC operation we need to fail the
* device
*/
break;
default:
dev_warn(scic_to_dev(scic),
"%s: SCIC SDS Completion unknown SDMA completion "
"type %x\n",
__func__,
completion_entry);
dev_warn(scic_to_dev(scic), "%s: unknown completion type %x\n",
__func__, completion_entry);
break;
}
}
......@@ -385,8 +370,8 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
u32 completion_entry)
{
struct isci_host *ihost = scic_to_ihost(scic);
struct scic_sds_request *io_request;
struct scic_sds_remote_device *device;
struct isci_request *ireq;
struct scic_sds_phy *phy;
u32 index;
......@@ -418,17 +403,17 @@ static void scic_sds_controller_event_completion(struct scic_sds_controller *sci
break;
case SCU_EVENT_TYPE_TRANSPORT_ERROR:
io_request = &ihost->reqs[index]->sci;
scic_sds_io_request_event_handler(io_request, completion_entry);
ireq = ihost->reqs[index];
scic_sds_io_request_event_handler(ireq, completion_entry);
break;
case SCU_EVENT_TYPE_PTX_SCHEDULE_EVENT:
switch (scu_get_event_specifier(completion_entry)) {
case SCU_EVENT_SPECIFIC_SMP_RESPONSE_NO_PE:
case SCU_EVENT_SPECIFIC_TASK_TIMEOUT:
io_request = &ihost->reqs[index]->sci;
if (io_request != NULL)
scic_sds_io_request_event_handler(io_request, completion_entry);
ireq = ihost->reqs[index];
if (ireq != NULL)
scic_sds_io_request_event_handler(ireq, completion_entry);
else
dev_warn(scic_to_dev(scic),
"%s: SCIC Controller 0x%p received "
......@@ -1185,7 +1170,7 @@ static void isci_host_completion_routine(unsigned long data)
}
spin_lock_irq(&isci_host->scic_lock);
isci_free_tag(isci_host, request->sci.io_tag);
isci_free_tag(isci_host, request->io_tag);
spin_unlock_irq(&isci_host->scic_lock);
}
list_for_each_entry_safe(request, next_request, &errored_request_list,
......@@ -1222,7 +1207,7 @@ static void isci_host_completion_routine(unsigned long data)
* of pending requests.
*/
list_del_init(&request->dev_node);
isci_free_tag(isci_host, request->sci.io_tag);
isci_free_tag(isci_host, request->io_tag);
spin_unlock_irq(&isci_host->scic_lock);
}
}
......@@ -2486,8 +2471,8 @@ int isci_host_init(struct isci_host *isci_host)
if (!ireq)
return -ENOMEM;
ireq->sci.tc = &isci_host->sci.task_context_table[i];
ireq->sci.owning_controller = &isci_host->sci;
ireq->tc = &isci_host->sci.task_context_table[i];
ireq->owning_controller = &isci_host->sci;
spin_lock_init(&ireq->state_lock);
ireq->request_daddr = dma;
ireq->isci_host = isci_host;
......@@ -2600,7 +2585,7 @@ void scic_sds_controller_post_request(
writel(request, &scic->smu_registers->post_context_port);
}
struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag)
struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic, u16 io_tag)
{
u16 task_index;
u16 task_sequence;
......@@ -2614,7 +2599,7 @@ struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic, u
task_sequence = ISCI_TAG_SEQ(io_tag);
if (task_sequence == scic->io_request_sequence[task_index])
return &ireq->sci;
return ireq;
}
}
......@@ -2814,7 +2799,7 @@ enum sci_status isci_free_tag(struct isci_host *ihost, u16 io_tag)
*/
enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
struct scic_sds_remote_device *rdev,
struct scic_sds_request *req)
struct isci_request *ireq)
{
enum sci_status status;
......@@ -2823,12 +2808,12 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
return SCI_FAILURE_INVALID_STATE;
}
status = scic_sds_remote_device_start_io(scic, rdev, req);
status = scic_sds_remote_device_start_io(scic, rdev, ireq);
if (status != SCI_SUCCESS)
return status;
set_bit(IREQ_ACTIVE, &sci_req_to_ireq(req)->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(req));
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
return SCI_SUCCESS;
}
......@@ -2851,7 +2836,7 @@ enum sci_status scic_controller_start_io(struct scic_sds_controller *scic,
enum sci_status scic_controller_terminate_request(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *rdev,
struct scic_sds_request *req)
struct isci_request *ireq)
{
enum sci_status status;
......@@ -2861,7 +2846,7 @@ enum sci_status scic_controller_terminate_request(
return SCI_FAILURE_INVALID_STATE;
}
status = scic_sds_io_request_terminate(req);
status = scic_sds_io_request_terminate(ireq);
if (status != SCI_SUCCESS)
return status;
......@@ -2870,7 +2855,7 @@ enum sci_status scic_controller_terminate_request(
* request sub-type.
*/
scic_sds_controller_post_request(scic,
scic_sds_request_get_post_context(req) |
scic_sds_request_get_post_context(ireq) |
SCU_CONTEXT_COMMAND_REQUEST_POST_TC_ABORT);
return SCI_SUCCESS;
}
......@@ -2889,7 +2874,7 @@ enum sci_status scic_controller_terminate_request(
enum sci_status scic_controller_complete_io(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *rdev,
struct scic_sds_request *request)
struct isci_request *ireq)
{
enum sci_status status;
u16 index;
......@@ -2899,12 +2884,12 @@ enum sci_status scic_controller_complete_io(
/* XXX: Implement this function */
return SCI_FAILURE;
case SCIC_READY:
status = scic_sds_remote_device_complete_io(scic, rdev, request);
status = scic_sds_remote_device_complete_io(scic, rdev, ireq);
if (status != SCI_SUCCESS)
return status;
index = ISCI_TAG_TCI(request->io_tag);
clear_bit(IREQ_ACTIVE, &sci_req_to_ireq(request)->flags);
index = ISCI_TAG_TCI(ireq->io_tag);
clear_bit(IREQ_ACTIVE, &ireq->flags);
return SCI_SUCCESS;
default:
dev_warn(scic_to_dev(scic), "invalid state to complete I/O");
......@@ -2913,17 +2898,17 @@ enum sci_status scic_controller_complete_io(
}
enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req)
enum sci_status scic_controller_continue_io(struct isci_request *ireq)
{
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
if (scic->sm.current_state_id != SCIC_READY) {
dev_warn(scic_to_dev(scic), "invalid state to continue I/O");
return SCI_FAILURE_INVALID_STATE;
}
set_bit(IREQ_ACTIVE, &sci_req_to_ireq(sci_req)->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(sci_req));
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic, scic_sds_request_get_post_context(ireq));
return SCI_SUCCESS;
}
......@@ -2939,9 +2924,8 @@ enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req)
enum sci_task_status scic_controller_start_task(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *rdev,
struct scic_sds_request *req)
struct isci_request *ireq)
{
struct isci_request *ireq = sci_req_to_ireq(req);
enum sci_status status;
if (scic->sm.current_state_id != SCIC_READY) {
......@@ -2952,7 +2936,7 @@ enum sci_task_status scic_controller_start_task(
return SCI_TASK_FAILURE_INVALID_STATE;
}
status = scic_sds_remote_device_start_task(scic, rdev, req);
status = scic_sds_remote_device_start_task(scic, rdev, ireq);
switch (status) {
case SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS:
set_bit(IREQ_ACTIVE, &ireq->flags);
......@@ -2967,7 +2951,7 @@ enum sci_task_status scic_controller_start_task(
set_bit(IREQ_ACTIVE, &ireq->flags);
scic_sds_controller_post_request(scic,
scic_sds_request_get_post_context(req));
scic_sds_request_get_post_context(ireq));
break;
default:
break;
......
drivers/scsi/isci/host.h
View file @ 5076a1a9
......@@ -64,7 +64,7 @@
#include "unsolicited_frame_control.h"
#include "probe_roms.h"
struct scic_sds_request;
struct isci_request;
struct scu_task_context;
......@@ -601,7 +601,7 @@ union scu_remote_node_context *scic_sds_controller_get_remote_node_context_buffe
struct scic_sds_controller *scic,
u16 node_id);
struct scic_sds_request *scic_request_by_tag(struct scic_sds_controller *scic,
struct isci_request *scic_request_by_tag(struct scic_sds_controller *scic,
u16 io_tag);
void scic_sds_controller_power_control_queue_insert(
......@@ -628,11 +628,11 @@ void scic_sds_controller_remote_device_stopped(
void scic_sds_controller_copy_task_context(
struct scic_sds_controller *scic,
struct scic_sds_request *this_request);
struct isci_request *ireq);
void scic_sds_controller_register_setup(struct scic_sds_controller *scic);
enum sci_status scic_controller_continue_io(struct scic_sds_request *sci_req);
enum sci_status scic_controller_continue_io(struct isci_request *ireq);
int isci_host_scan_finished(struct Scsi_Host *, unsigned long);
void isci_host_scan_start(struct Scsi_Host *);
u16 isci_alloc_tag(struct isci_host *ihost);
......@@ -665,22 +665,22 @@ void scic_controller_disable_interrupts(
enum sci_status scic_controller_start_io(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *io_request);
struct isci_request *ireq);
enum sci_task_status scic_controller_start_task(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *task_request);
struct isci_request *ireq);
enum sci_status scic_controller_terminate_request(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *request);
struct isci_request *ireq);
enum sci_status scic_controller_complete_io(
struct scic_sds_controller *scic,
struct scic_sds_remote_device *remote_device,
struct scic_sds_request *io_request);
struct isci_request *ireq);
void scic_sds_port_configuration_agent_construct(
struct scic_sds_port_configuration_agent *port_agent);
......
drivers/scsi/isci/port.c
View file @ 5076a1a9
......@@ -1611,7 +1611,7 @@ enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
enum sci_status scic_sds_port_start_io(struct scic_sds_port *sci_port,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
enum scic_sds_port_states state;
......@@ -1631,7 +1631,7 @@ enum sci_status scic_sds_port_start_io(struct scic_sds_port *sci_port,
enum sci_status scic_sds_port_complete_io(struct scic_sds_port *sci_port,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
enum scic_sds_port_states state;
......
drivers/scsi/isci/port.h
View file @ 5076a1a9
......@@ -354,17 +354,17 @@ enum sci_status scic_sds_port_link_up(struct scic_sds_port *sci_port,
enum sci_status scic_sds_port_link_down(struct scic_sds_port *sci_port,
struct scic_sds_phy *sci_phy);
struct scic_sds_request;
struct isci_request;
struct scic_sds_remote_device;
enum sci_status scic_sds_port_start_io(
struct scic_sds_port *sci_port,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req);
struct isci_request *ireq);
enum sci_status scic_sds_port_complete_io(
struct scic_sds_port *sci_port,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req);
struct isci_request *ireq);
enum sas_linkrate scic_sds_port_get_max_allowed_speed(
struct scic_sds_port *sci_port);
......
drivers/scsi/isci/remote_device.c
View file @ 5076a1a9
......@@ -94,7 +94,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
scic_controller_terminate_request(&ihost->sci,
&idev->sci,
&ireq->sci);
ireq);
}
/* Fall through into the default case... */
default:
......@@ -142,14 +142,13 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct scic_sds
for (i = 0; i < SCI_MAX_IO_REQUESTS && i < request_count; i++) {
struct isci_request *ireq = ihost->reqs[i];
struct scic_sds_request *sci_req = &ireq->sci;
enum sci_status s;
if (!test_bit(IREQ_ACTIVE, &ireq->flags) ||
sci_req->target_device != sci_dev)
ireq->target_device != sci_dev)
continue;
s = scic_controller_terminate_request(scic, sci_dev, sci_req);
s = scic_controller_terminate_request(scic, sci_dev, ireq);
if (s != SCI_SUCCESS)
status = s;
}
......@@ -299,7 +298,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi
case SCI_DEV_STOPPING:
case SCI_DEV_FAILED:
case SCI_DEV_RESETTING: {
struct scic_sds_request *sci_req;
struct isci_request *ireq;
struct ssp_frame_hdr hdr;
void *frame_header;
ssize_t word_cnt;
......@@ -313,10 +312,10 @@ enum sci_status scic_sds_remote_device_frame_handler(struct scic_sds_remote_devi
word_cnt = sizeof(hdr) / sizeof(u32);
sci_swab32_cpy(&hdr, frame_header, word_cnt);
sci_req = scic_request_by_tag(scic, be16_to_cpu(hdr.tag));
if (sci_req && sci_req->target_device == sci_dev) {
ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag));
if (ireq && ireq->target_device == sci_dev) {
/* The IO request is now in charge of releasing the frame */
status = scic_sds_io_request_frame_handler(sci_req, frame_index);
status = scic_sds_io_request_frame_handler(ireq, frame_index);
} else {
/* We could not map this tag to a valid IO
* request Just toss the frame and continue
......@@ -448,14 +447,14 @@ enum sci_status scic_sds_remote_device_event_handler(struct scic_sds_remote_devi
}
static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req,
struct isci_request *ireq,
enum sci_status status)
{
struct scic_sds_port *sci_port = sci_dev->owning_port;
/* cleanup requests that failed after starting on the port */
if (status != SCI_SUCCESS)
scic_sds_port_complete_io(sci_port, sci_dev, sci_req);
scic_sds_port_complete_io(sci_port, sci_dev, ireq);
else {
kref_get(&sci_dev_to_idev(sci_dev)->kref);
scic_sds_remote_device_increment_request_count(sci_dev);
......@@ -464,12 +463,11 @@ static void scic_sds_remote_device_start_request(struct scic_sds_remote_device *
enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
struct sci_base_state_machine *sm = &sci_dev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
struct scic_sds_port *sci_port = sci_dev->owning_port;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
enum sci_status status;
switch (state) {
......@@ -491,15 +489,15 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic
* successful it will start the request for the port object then
* increment its own request count.
*/
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
break;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
break;
case SCI_STP_DEV_IDLE: {
/* handle the start io operation for a sata device that is in
......@@ -513,22 +511,22 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic
enum scic_sds_remote_device_states new_state;
struct sas_task *task = isci_request_access_task(ireq);
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
break;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
if (status != SCI_SUCCESS)
break;
if (task->ata_task.use_ncq)
new_state = SCI_STP_DEV_NCQ;
else {
sci_dev->working_request = sci_req;
sci_dev->working_request = ireq;
new_state = SCI_STP_DEV_CMD;
}
sci_change_state(sm, new_state);
......@@ -538,15 +536,15 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic
struct sas_task *task = isci_request_access_task(ireq);
if (task->ata_task.use_ncq) {
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
break;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
} else
return SCI_FAILURE_INVALID_STATE;
break;
......@@ -554,19 +552,19 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic
case SCI_STP_DEV_AWAIT_RESET:
return SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED;
case SCI_SMP_DEV_IDLE:
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_io(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
break;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
if (status != SCI_SUCCESS)
break;
sci_dev->working_request = sci_req;
sci_dev->working_request = ireq;
sci_change_state(&sci_dev->sm, SCI_SMP_DEV_CMD);
break;
case SCI_STP_DEV_CMD:
......@@ -577,21 +575,21 @@ enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic
return SCI_FAILURE_INVALID_STATE;
}
scic_sds_remote_device_start_request(sci_dev, sci_req, status);
scic_sds_remote_device_start_request(sci_dev, ireq, status);
return status;
}
static enum sci_status common_complete_io(struct scic_sds_port *sci_port,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
enum sci_status status;
status = scic_sds_request_complete(sci_req);
status = scic_sds_request_complete(ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_port_complete_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_complete_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
......@@ -601,7 +599,7 @@ static enum sci_status common_complete_io(struct scic_sds_port *sci_port,
enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
struct sci_base_state_machine *sm = &sci_dev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
......@@ -623,16 +621,16 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s
case SCI_DEV_READY:
case SCI_STP_DEV_AWAIT_RESET:
case SCI_DEV_RESETTING:
status = common_complete_io(sci_port, sci_dev, sci_req);
status = common_complete_io(sci_port, sci_dev, ireq);
break;
case SCI_STP_DEV_CMD:
case SCI_STP_DEV_NCQ:
case SCI_STP_DEV_NCQ_ERROR:
status = common_complete_io(sci_port, sci_dev, sci_req);
status = common_complete_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
break;
if (sci_req->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) {
if (ireq->sci_status == SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED) {
/* This request causes hardware error, device needs to be Lun Reset.
* So here we force the state machine to IDLE state so the rest IOs
* can reach RNC state handler, these IOs will be completed by RNC with
......@@ -643,13 +641,13 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s
sci_change_state(sm, SCI_STP_DEV_IDLE);
break;
case SCI_SMP_DEV_CMD:
status = common_complete_io(sci_port, sci_dev, sci_req);
status = common_complete_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
break;
sci_change_state(sm, SCI_SMP_DEV_IDLE);
break;
case SCI_DEV_STOPPING:
status = common_complete_io(sci_port, sci_dev, sci_req);
status = common_complete_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
break;
......@@ -664,7 +662,7 @@ enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *s
dev_err(scirdev_to_dev(sci_dev),
"%s: Port:0x%p Device:0x%p Request:0x%p Status:0x%x "
"could not complete\n", __func__, sci_port,
sci_dev, sci_req, status);
sci_dev, ireq, status);
else
isci_put_device(sci_dev_to_idev(sci_dev));
......@@ -682,7 +680,7 @@ static void scic_sds_remote_device_continue_request(void *dev)
enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
struct sci_base_state_machine *sm = &sci_dev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
......@@ -708,15 +706,15 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc
case SCI_STP_DEV_NCQ:
case SCI_STP_DEV_NCQ_ERROR:
case SCI_STP_DEV_AWAIT_RESET:
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
goto out;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
if (status != SCI_SUCCESS)
goto out;
......@@ -724,7 +722,7 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc
* replace the request that probably resulted in the task
* management request.
*/
sci_dev->working_request = sci_req;
sci_dev->working_request = ireq;
sci_change_state(sm, SCI_STP_DEV_CMD);
/* The remote node context must cleanup the TCi to NCQ mapping
......@@ -741,25 +739,25 @@ enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *sc
sci_dev);
out:
scic_sds_remote_device_start_request(sci_dev, sci_req, status);
scic_sds_remote_device_start_request(sci_dev, ireq, status);
/* We need to let the controller start request handler know that
* it can't post TC yet. We will provide a callback function to
* post TC when RNC gets resumed.
*/
return SCI_FAILURE_RESET_DEVICE_PARTIAL_SUCCESS;
case SCI_DEV_READY:
status = scic_sds_port_start_io(sci_port, sci_dev, sci_req);
status = scic_sds_port_start_io(sci_port, sci_dev, ireq);
if (status != SCI_SUCCESS)
return status;
status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, sci_req);
status = scic_sds_remote_node_context_start_task(&sci_dev->rnc, ireq);
if (status != SCI_SUCCESS)
break;
status = scic_sds_request_start(sci_req);
status = scic_sds_request_start(ireq);
break;
}
scic_sds_remote_device_start_request(sci_dev, sci_req, status);
scic_sds_remote_device_start_request(sci_dev, ireq, status);
return status;
}
......
drivers/scsi/isci/remote_device.h
View file @ 5076a1a9
......@@ -120,7 +120,7 @@ struct scic_sds_remote_device {
* used only for SATA requests since the unsolicited frames we get from the
* hardware have no Tag value to look up the io request object.
*/
struct scic_sds_request *working_request;
struct isci_request *working_request;
/**
* This field contains the reason for the remote device going not_ready. It is
......@@ -466,17 +466,17 @@ enum sci_status scic_sds_remote_device_event_handler(
enum sci_status scic_sds_remote_device_start_io(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *io_request);
struct isci_request *ireq);
enum sci_status scic_sds_remote_device_start_task(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *io_request);
struct isci_request *ireq);
enum sci_status scic_sds_remote_device_complete_io(
struct scic_sds_controller *controller,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *io_request);
struct isci_request *ireq);
enum sci_status scic_sds_remote_device_suspend(
struct scic_sds_remote_device *sci_dev,
......
drivers/scsi/isci/remote_node_context.c
View file @ 5076a1a9
......@@ -598,7 +598,7 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_
}
enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_node_context *sci_rnc,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
enum scis_sds_remote_node_context_states state;
......@@ -623,7 +623,7 @@ enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_nod
}
enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
enum scis_sds_remote_node_context_states state;
......
drivers/scsi/isci/remote_node_context.h
View file @ 5076a1a9
......@@ -78,7 +78,7 @@
#define SCU_HARDWARE_SUSPENSION (0)
#define SCI_SOFTWARE_SUSPENSION (1)
struct scic_sds_request;
struct isci_request;
struct scic_sds_remote_device;
struct scic_sds_remote_node_context;
......@@ -220,8 +220,8 @@ enum sci_status scic_sds_remote_node_context_resume(struct scic_sds_remote_node_
scics_sds_remote_node_context_callback cb_fn,
void *cb_p);
enum sci_status scic_sds_remote_node_context_start_task(struct scic_sds_remote_node_context *sci_rnc,
struct scic_sds_request *sci_req);
struct isci_request *ireq);
enum sci_status scic_sds_remote_node_context_start_io(struct scic_sds_remote_node_context *sci_rnc,
struct scic_sds_request *sci_req);
struct isci_request *ireq);
#endif /* _SCIC_SDS_REMOTE_NODE_CONTEXT_H_ */
drivers/scsi/isci/request.c
View file @ 5076a1a9
......@@ -61,35 +61,35 @@
#include "scu_event_codes.h"
#include "sas.h"
static struct scu_sgl_element_pair *to_sgl_element_pair(struct scic_sds_request *sci_req,
static struct scu_sgl_element_pair *to_sgl_element_pair(struct isci_request *ireq,
int idx)
{
if (idx == 0)
return &sci_req->tc->sgl_pair_ab;
return &ireq->tc->sgl_pair_ab;
else if (idx == 1)
return &sci_req->tc->sgl_pair_cd;
return &ireq->tc->sgl_pair_cd;
else if (idx < 0)
return NULL;
else
return &sci_req->sg_table[idx - 2];
return &ireq->sg_table[idx - 2];
}
static dma_addr_t to_sgl_element_pair_dma(struct scic_sds_controller *scic,
struct scic_sds_request *sci_req, u32 idx)
struct isci_request *ireq, u32 idx)
{
u32 offset;
if (idx == 0) {
offset = (void *) &sci_req->tc->sgl_pair_ab -
offset = (void *) &ireq->tc->sgl_pair_ab -
(void *) &scic->task_context_table[0];
return scic->task_context_dma + offset;
} else if (idx == 1) {
offset = (void *) &sci_req->tc->sgl_pair_cd -
offset = (void *) &ireq->tc->sgl_pair_cd -
(void *) &scic->task_context_table[0];
return scic->task_context_dma + offset;
}
return scic_io_request_get_dma_addr(sci_req, &sci_req->sg_table[idx - 2]);
return scic_io_request_get_dma_addr(ireq, &ireq->sg_table[idx - 2]);
}
static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg)
......@@ -100,12 +100,11 @@ static void init_sgl_element(struct scu_sgl_element *e, struct scatterlist *sg)
e->address_modifier = 0;
}
static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
static void scic_sds_request_build_sgl(struct isci_request *ireq)
{
struct isci_request *isci_request = sci_req_to_ireq(sds_request);
struct isci_host *isci_host = isci_request->isci_host;
struct isci_host *isci_host = ireq->isci_host;
struct scic_sds_controller *scic = &isci_host->sci;
struct sas_task *task = isci_request_access_task(isci_request);
struct sas_task *task = isci_request_access_task(ireq);
struct scatterlist *sg = NULL;
dma_addr_t dma_addr;
u32 sg_idx = 0;
......@@ -116,7 +115,7 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
sg = task->scatter;
while (sg) {
scu_sg = to_sgl_element_pair(sds_request, sg_idx);
scu_sg = to_sgl_element_pair(ireq, sg_idx);
init_sgl_element(&scu_sg->A, sg);
sg = sg_next(sg);
if (sg) {
......@@ -127,7 +126,7 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
if (prev_sg) {
dma_addr = to_sgl_element_pair_dma(scic,
sds_request,
ireq,
sg_idx);
prev_sg->next_pair_upper =
......@@ -140,14 +139,14 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
sg_idx++;
}
} else { /* handle when no sg */
scu_sg = to_sgl_element_pair(sds_request, sg_idx);
scu_sg = to_sgl_element_pair(ireq, sg_idx);
dma_addr = dma_map_single(&isci_host->pdev->dev,
task->scatter,
task->total_xfer_len,
task->data_dir);
isci_request->zero_scatter_daddr = dma_addr;
ireq->zero_scatter_daddr = dma_addr;
scu_sg->A.length = task->total_xfer_len;
scu_sg->A.address_upper = upper_32_bits(dma_addr);
......@@ -160,13 +159,12 @@ static void scic_sds_request_build_sgl(struct scic_sds_request *sds_request)
}
}
static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sci_req)
static void scic_sds_io_request_build_ssp_command_iu(struct isci_request *ireq)
{
struct ssp_cmd_iu *cmd_iu;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(ireq);
cmd_iu = &sci_req->ssp.cmd;
cmd_iu = &ireq->ssp.cmd;
memcpy(cmd_iu->LUN, task->ssp_task.LUN, 8);
cmd_iu->add_cdb_len = 0;
......@@ -181,14 +179,13 @@ static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sc
sizeof(task->ssp_task.cdb) / sizeof(u32));
}
static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci_req)
static void scic_sds_task_request_build_ssp_task_iu(struct isci_request *ireq)
{
struct ssp_task_iu *task_iu;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(ireq);
struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq);
task_iu = &sci_req->ssp.tmf;
task_iu = &ireq->ssp.tmf;
memset(task_iu, 0, sizeof(struct ssp_task_iu));
......@@ -208,15 +205,15 @@ static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci
*
*/
static void scu_ssp_reqeust_construct_task_context(
struct scic_sds_request *sds_request,
struct isci_request *ireq,
struct scu_task_context *task_context)
{
dma_addr_t dma_addr;
struct scic_sds_remote_device *target_device;
struct scic_sds_port *target_port;
target_device = scic_sds_request_get_device(sds_request);
target_port = scic_sds_request_get_port(sds_request);
target_device = scic_sds_request_get_device(ireq);
target_port = scic_sds_request_get_port(ireq);
/* Fill in the TC with the its required data */
task_context->abort = 0;
......@@ -232,7 +229,7 @@ static void scu_ssp_reqeust_construct_task_context(
task_context->context_type = SCU_TASK_CONTEXT_TYPE;
task_context->remote_node_index =
scic_sds_remote_device_get_index(sds_request->target_device);
scic_sds_remote_device_get_index(ireq->target_device);
task_context->command_code = 0;
task_context->link_layer_control = 0;
......@@ -244,22 +241,21 @@ static void scu_ssp_reqeust_construct_task_context(
task_context->address_modifier = 0;
/* task_context->type.ssp.tag = sci_req->io_tag; */
/* task_context->type.ssp.tag = ireq->io_tag; */
task_context->task_phase = 0x01;
sds_request->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
(scic_sds_controller_get_protocol_engine_group(controller) <<
SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) |
(scic_sds_port_get_index(target_port) <<
SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) |
ISCI_TAG_TCI(sds_request->io_tag));
ISCI_TAG_TCI(ireq->io_tag));
/*
* Copy the physical address for the command buffer to the
* SCU Task Context
*/
dma_addr = scic_io_request_get_dma_addr(sds_request,
&sds_request->ssp.cmd);
dma_addr = scic_io_request_get_dma_addr(ireq, &ireq->ssp.cmd);
task_context->command_iu_upper = upper_32_bits(dma_addr);
task_context->command_iu_lower = lower_32_bits(dma_addr);
......@@ -268,8 +264,7 @@ static void scu_ssp_reqeust_construct_task_context(
* Copy the physical address for the response buffer to the
* SCU Task Context
*/
dma_addr = scic_io_request_get_dma_addr(sds_request,
&sds_request->ssp.rsp);
dma_addr = scic_io_request_get_dma_addr(ireq, &ireq->ssp.rsp);
task_context->response_iu_upper = upper_32_bits(dma_addr);
task_context->response_iu_lower = lower_32_bits(dma_addr);
......@@ -280,13 +275,13 @@ static void scu_ssp_reqeust_construct_task_context(
* @sci_req:
*
*/
static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *sci_req,
static void scu_ssp_io_request_construct_task_context(struct isci_request *ireq,
enum dma_data_direction dir,
u32 len)
{
struct scu_task_context *task_context = sci_req->tc;
struct scu_task_context *task_context = ireq->tc;
scu_ssp_reqeust_construct_task_context(sci_req, task_context);
scu_ssp_reqeust_construct_task_context(ireq, task_context);
task_context->ssp_command_iu_length =
sizeof(struct ssp_cmd_iu) / sizeof(u32);
......@@ -306,7 +301,7 @@ static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *s
task_context->transfer_length_bytes = len;
if (task_context->transfer_length_bytes > 0)
scic_sds_request_build_sgl(sci_req);
scic_sds_request_build_sgl(ireq);
}
/**
......@@ -322,11 +317,11 @@ static void scu_ssp_io_request_construct_task_context(struct scic_sds_request *s
* constructed.
*
*/
static void scu_ssp_task_request_construct_task_context(struct scic_sds_request *sci_req)
static void scu_ssp_task_request_construct_task_context(struct isci_request *ireq)
{
struct scu_task_context *task_context = sci_req->tc;
struct scu_task_context *task_context = ireq->tc;
scu_ssp_reqeust_construct_task_context(sci_req, task_context);
scu_ssp_reqeust_construct_task_context(ireq, task_context);
task_context->control_frame = 1;
task_context->priority = SCU_TASK_PRIORITY_HIGH;
......@@ -350,15 +345,15 @@ static void scu_ssp_task_request_construct_task_context(struct scic_sds_request
* determine what is common for SSP/SMP/STP task context structures.
*/
static void scu_sata_reqeust_construct_task_context(
struct scic_sds_request *sci_req,
struct isci_request *ireq,
struct scu_task_context *task_context)
{
dma_addr_t dma_addr;
struct scic_sds_remote_device *target_device;
struct scic_sds_port *target_port;
target_device = scic_sds_request_get_device(sci_req);
target_port = scic_sds_request_get_port(sci_req);
target_device = scic_sds_request_get_device(ireq);
target_port = scic_sds_request_get_port(ireq);
/* Fill in the TC with the its required data */
task_context->abort = 0;
......@@ -374,7 +369,7 @@ static void scu_sata_reqeust_construct_task_context(
task_context->context_type = SCU_TASK_CONTEXT_TYPE;
task_context->remote_node_index =
scic_sds_remote_device_get_index(sci_req->target_device);
scic_sds_remote_device_get_index(ireq->target_device);
task_context->command_code = 0;
task_context->link_layer_control = 0;
......@@ -391,21 +386,21 @@ static void scu_sata_reqeust_construct_task_context(
(sizeof(struct host_to_dev_fis) - sizeof(u32)) / sizeof(u32);
/* Set the first word of the H2D REG FIS */
task_context->type.words[0] = *(u32 *)&sci_req->stp.cmd;
task_context->type.words[0] = *(u32 *)&ireq->stp.cmd;
sci_req->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
(scic_sds_controller_get_protocol_engine_group(controller) <<
SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) |
(scic_sds_port_get_index(target_port) <<
SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) |
ISCI_TAG_TCI(sci_req->io_tag));
ISCI_TAG_TCI(ireq->io_tag));
/*
* Copy the physical address for the command buffer to the SCU Task
* Context. We must offset the command buffer by 4 bytes because the
* first 4 bytes are transfered in the body of the TC.
*/
dma_addr = scic_io_request_get_dma_addr(sci_req,
((char *) &sci_req->stp.cmd) +
dma_addr = scic_io_request_get_dma_addr(ireq,
((char *) &ireq->stp.cmd) +
sizeof(u32));
task_context->command_iu_upper = upper_32_bits(dma_addr);
......@@ -416,11 +411,11 @@ static void scu_sata_reqeust_construct_task_context(
task_context->response_iu_lower = 0;
}
static void scu_stp_raw_request_construct_task_context(struct scic_sds_request *sci_req)
static void scu_stp_raw_request_construct_task_context(struct isci_request *ireq)
{
struct scu_task_context *task_context = sci_req->tc;
struct scu_task_context *task_context = ireq->tc;
scu_sata_reqeust_construct_task_context(sci_req, task_context);
scu_sata_reqeust_construct_task_context(ireq, task_context);
task_context->control_frame = 0;
task_context->priority = SCU_TASK_PRIORITY_NORMAL;
......@@ -429,20 +424,19 @@ static void scu_stp_raw_request_construct_task_context(struct scic_sds_request *
task_context->transfer_length_bytes = sizeof(struct host_to_dev_fis) - sizeof(u32);
}
static enum sci_status
scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req,
static enum sci_status scic_sds_stp_pio_request_construct(struct isci_request *ireq,
bool copy_rx_frame)
{
struct isci_stp_request *stp_req = &sci_req->stp.req;
struct isci_stp_request *stp_req = &ireq->stp.req;
scu_stp_raw_request_construct_task_context(sci_req);
scu_stp_raw_request_construct_task_context(ireq);
stp_req->status = 0;
stp_req->sgl.offset = 0;
stp_req->sgl.set = SCU_SGL_ELEMENT_PAIR_A;
if (copy_rx_frame) {
scic_sds_request_build_sgl(sci_req);
scic_sds_request_build_sgl(ireq);
stp_req->sgl.index = 0;
} else {
/* The user does not want the data copied to the SGL buffer location */
......@@ -464,18 +458,18 @@ scic_sds_stp_pio_request_construct(struct scic_sds_request *sci_req,
* requests that are optimized by the silicon (i.e. UDMA, NCQ). This method
* returns an indication as to whether the construction was successful.
*/
static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sci_req,
static void scic_sds_stp_optimized_request_construct(struct isci_request *ireq,
u8 optimized_task_type,
u32 len,
enum dma_data_direction dir)
{
struct scu_task_context *task_context = sci_req->tc;
struct scu_task_context *task_context = ireq->tc;
/* Build the STP task context structure */
scu_sata_reqeust_construct_task_context(sci_req, task_context);
scu_sata_reqeust_construct_task_context(ireq, task_context);
/* Copy over the SGL elements */
scic_sds_request_build_sgl(sci_req);
scic_sds_request_build_sgl(ireq);
/* Copy over the number of bytes to be transfered */
task_context->transfer_length_bytes = len;
......@@ -500,13 +494,12 @@ static void scic_sds_stp_optimized_request_construct(struct scic_sds_request *sc
static enum sci_status
scic_io_request_construct_sata(struct scic_sds_request *sci_req,
scic_io_request_construct_sata(struct isci_request *ireq,
u32 len,
enum dma_data_direction dir,
bool copy)
{
enum sci_status status = SCI_SUCCESS;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(ireq);
/* check for management protocols */
......@@ -515,20 +508,20 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req,
if (tmf->tmf_code == isci_tmf_sata_srst_high ||
tmf->tmf_code == isci_tmf_sata_srst_low) {
scu_stp_raw_request_construct_task_context(sci_req);
scu_stp_raw_request_construct_task_context(ireq);
return SCI_SUCCESS;
} else {
dev_err(scic_to_dev(sci_req->owning_controller),
dev_err(scic_to_dev(ireq->owning_controller),
"%s: Request 0x%p received un-handled SAT "
"management protocol 0x%x.\n",
__func__, sci_req, tmf->tmf_code);
__func__, ireq, tmf->tmf_code);
return SCI_FAILURE;
}
}
if (!sas_protocol_ata(task->task_proto)) {
dev_err(scic_to_dev(sci_req->owning_controller),
dev_err(scic_to_dev(ireq->owning_controller),
"%s: Non-ATA protocol in SATA path: 0x%x\n",
__func__,
task->task_proto);
......@@ -538,13 +531,13 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req,
/* non data */
if (task->data_dir == DMA_NONE) {
scu_stp_raw_request_construct_task_context(sci_req);
scu_stp_raw_request_construct_task_context(ireq);
return SCI_SUCCESS;
}
/* NCQ */
if (task->ata_task.use_ncq) {
scic_sds_stp_optimized_request_construct(sci_req,
scic_sds_stp_optimized_request_construct(ireq,
SCU_TASK_TYPE_FPDMAQ_READ,
len, dir);
return SCI_SUCCESS;
......@@ -552,74 +545,71 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req,
/* DMA */
if (task->ata_task.dma_xfer) {
scic_sds_stp_optimized_request_construct(sci_req,
scic_sds_stp_optimized_request_construct(ireq,
SCU_TASK_TYPE_DMA_IN,
len, dir);
return SCI_SUCCESS;
} else /* PIO */
return scic_sds_stp_pio_request_construct(sci_req, copy);
return scic_sds_stp_pio_request_construct(ireq, copy);
return status;
}
static enum sci_status scic_io_request_construct_basic_ssp(struct scic_sds_request *sci_req)
static enum sci_status scic_io_request_construct_basic_ssp(struct isci_request *ireq)
{
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(ireq);
sci_req->protocol = SCIC_SSP_PROTOCOL;
ireq->protocol = SCIC_SSP_PROTOCOL;
scu_ssp_io_request_construct_task_context(sci_req,
scu_ssp_io_request_construct_task_context(ireq,
task->data_dir,
task->total_xfer_len);
scic_sds_io_request_build_ssp_command_iu(sci_req);
scic_sds_io_request_build_ssp_command_iu(ireq);
sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED);
sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED);
return SCI_SUCCESS;
}
enum sci_status scic_task_request_construct_ssp(
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
/* Construct the SSP Task SCU Task Context */
scu_ssp_task_request_construct_task_context(sci_req);
scu_ssp_task_request_construct_task_context(ireq);
/* Fill in the SSP Task IU */
scic_sds_task_request_build_ssp_task_iu(sci_req);
scic_sds_task_request_build_ssp_task_iu(ireq);
sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED);
sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED);
return SCI_SUCCESS;
}
static enum sci_status scic_io_request_construct_basic_sata(struct scic_sds_request *sci_req)
static enum sci_status scic_io_request_construct_basic_sata(struct isci_request *ireq)
{
enum sci_status status;
bool copy = false;
struct isci_request *isci_request = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(isci_request);
struct sas_task *task = isci_request_access_task(ireq);
sci_req->protocol = SCIC_STP_PROTOCOL;
ireq->protocol = SCIC_STP_PROTOCOL;
copy = (task->data_dir == DMA_NONE) ? false : true;
status = scic_io_request_construct_sata(sci_req,
status = scic_io_request_construct_sata(ireq,
task->total_xfer_len,
task->data_dir,
copy);
if (status == SCI_SUCCESS)
sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED);
sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED);
return status;
}
enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_req)
enum sci_status scic_task_request_construct_sata(struct isci_request *ireq)
{
enum sci_status status = SCI_SUCCESS;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
/* check for management protocols */
if (ireq->ttype == tmf_task) {
......@@ -627,12 +617,12 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re
if (tmf->tmf_code == isci_tmf_sata_srst_high ||
tmf->tmf_code == isci_tmf_sata_srst_low) {
scu_stp_raw_request_construct_task_context(sci_req);
scu_stp_raw_request_construct_task_context(ireq);
} else {
dev_err(scic_to_dev(sci_req->owning_controller),
dev_err(scic_to_dev(ireq->owning_controller),
"%s: Request 0x%p received un-handled SAT "
"Protocol 0x%x.\n",
__func__, sci_req, tmf->tmf_code);
__func__, ireq, tmf->tmf_code);
return SCI_FAILURE;
}
......@@ -640,7 +630,7 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re
if (status != SCI_SUCCESS)
return status;
sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED);
sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED);
return status;
}
......@@ -650,9 +640,9 @@ enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_re
* @sci_req: request that was terminated early
*/
#define SCU_TASK_CONTEXT_SRAM 0x200000
static u32 sci_req_tx_bytes(struct scic_sds_request *sci_req)
static u32 sci_req_tx_bytes(struct isci_request *ireq)
{
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
u32 ret_val = 0;
if (readl(&scic->smu_registers->address_modifier) == 0) {
......@@ -666,19 +656,19 @@ static u32 sci_req_tx_bytes(struct scic_sds_request *sci_req)
*/
ret_val = readl(scu_reg_base +
(SCU_TASK_CONTEXT_SRAM + offsetof(struct scu_task_context, type.ssp.data_offset)) +
((sizeof(struct scu_task_context)) * ISCI_TAG_TCI(sci_req->io_tag)));
((sizeof(struct scu_task_context)) * ISCI_TAG_TCI(ireq->io_tag)));
}
return ret_val;
}
enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req)
enum sci_status scic_sds_request_start(struct isci_request *ireq)
{
enum sci_base_request_states state;
struct scu_task_context *tc = sci_req->tc;
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scu_task_context *tc = ireq->tc;
struct scic_sds_controller *scic = ireq->owning_controller;
state = sci_req->sm.current_state_id;
state = ireq->sm.current_state_id;
if (state != SCI_REQ_CONSTRUCTED) {
dev_warn(scic_to_dev(scic),
"%s: SCIC IO Request requested to start while in wrong "
......@@ -686,19 +676,19 @@ enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req)
return SCI_FAILURE_INVALID_STATE;
}
tc->task_index = ISCI_TAG_TCI(sci_req->io_tag);
tc->task_index = ISCI_TAG_TCI(ireq->io_tag);
switch (tc->protocol_type) {
case SCU_TASK_CONTEXT_PROTOCOL_SMP:
case SCU_TASK_CONTEXT_PROTOCOL_SSP:
/* SSP/SMP Frame */
tc->type.ssp.tag = sci_req->io_tag;
tc->type.ssp.tag = ireq->io_tag;
tc->type.ssp.target_port_transfer_tag = 0xFFFF;
break;
case SCU_TASK_CONTEXT_PROTOCOL_STP:
/* STP/SATA Frame
* tc->type.stp.ncq_tag = sci_req->ncq_tag;
* tc->type.stp.ncq_tag = ireq->ncq_tag;
*/
break;
......@@ -713,28 +703,28 @@ enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req)
}
/* Add to the post_context the io tag value */
sci_req->post_context |= ISCI_TAG_TCI(sci_req->io_tag);
ireq->post_context |= ISCI_TAG_TCI(ireq->io_tag);
/* Everything is good go ahead and change state */
sci_change_state(&sci_req->sm, SCI_REQ_STARTED);
sci_change_state(&ireq->sm, SCI_REQ_STARTED);
return SCI_SUCCESS;
}
enum sci_status
scic_sds_io_request_terminate(struct scic_sds_request *sci_req)
scic_sds_io_request_terminate(struct isci_request *ireq)
{
enum sci_base_request_states state;
state = sci_req->sm.current_state_id;
state = ireq->sm.current_state_id;
switch (state) {
case SCI_REQ_CONSTRUCTED:
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_TASK_ABORT,
SCI_FAILURE_IO_TERMINATED);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
return SCI_SUCCESS;
case SCI_REQ_STARTED:
case SCI_REQ_TASK_WAIT_TC_COMP:
......@@ -751,54 +741,54 @@ scic_sds_io_request_terminate(struct scic_sds_request *sci_req)
case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED:
case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG:
case SCI_REQ_STP_SOFT_RESET_WAIT_D2H:
sci_change_state(&sci_req->sm, SCI_REQ_ABORTING);
sci_change_state(&ireq->sm, SCI_REQ_ABORTING);
return SCI_SUCCESS;
case SCI_REQ_TASK_WAIT_TC_RESP:
sci_change_state(&sci_req->sm, SCI_REQ_ABORTING);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_ABORTING);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
return SCI_SUCCESS;
case SCI_REQ_ABORTING:
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
return SCI_SUCCESS;
case SCI_REQ_COMPLETED:
default:
dev_warn(scic_to_dev(sci_req->owning_controller),
dev_warn(scic_to_dev(ireq->owning_controller),
"%s: SCIC IO Request requested to abort while in wrong "
"state %d\n",
__func__,
sci_req->sm.current_state_id);
ireq->sm.current_state_id);
break;
}
return SCI_FAILURE_INVALID_STATE;
}
enum sci_status scic_sds_request_complete(struct scic_sds_request *sci_req)
enum sci_status scic_sds_request_complete(struct isci_request *ireq)
{
enum sci_base_request_states state;
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
state = sci_req->sm.current_state_id;
state = ireq->sm.current_state_id;
if (WARN_ONCE(state != SCI_REQ_COMPLETED,
"isci: request completion from wrong state (%d)\n", state))
return SCI_FAILURE_INVALID_STATE;
if (sci_req->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX)
if (ireq->saved_rx_frame_index != SCU_INVALID_FRAME_INDEX)
scic_sds_controller_release_frame(scic,
sci_req->saved_rx_frame_index);
ireq->saved_rx_frame_index);
/* XXX can we just stop the machine and remove the 'final' state? */
sci_change_state(&sci_req->sm, SCI_REQ_FINAL);
sci_change_state(&ireq->sm, SCI_REQ_FINAL);
return SCI_SUCCESS;
}
enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_req,
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 = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
state = sci_req->sm.current_state_id;
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",
......@@ -812,7 +802,7 @@ enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_r
/* We are waiting for data and the SCU has R_ERR the data frame.
* Go back to waiting for the D2H Register FIS
*/
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
return SCI_SUCCESS;
default:
dev_err(scic_to_dev(scic),
......@@ -832,15 +822,14 @@ enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_r
* @sci_req: This parameter specifies the request object for which to copy
* the response data.
*/
static void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req)
static void scic_sds_io_request_copy_response(struct isci_request *ireq)
{
void *resp_buf;
u32 len;
struct ssp_response_iu *ssp_response;
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq);
ssp_response = &sci_req->ssp.rsp;
ssp_response = &ireq->ssp.rsp;
resp_buf = &isci_tmf->resp.resp_iu;
......@@ -852,7 +841,7 @@ static void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req)
}
static enum sci_status
request_started_state_tc_event(struct scic_sds_request *sci_req,
request_started_state_tc_event(struct isci_request *ireq,
u32 completion_code)
{
struct ssp_response_iu *resp_iu;
......@@ -863,7 +852,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
*/
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
break;
......@@ -875,19 +864,19 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
* truly a failed request or a good request that just got
* completed early.
*/
struct ssp_response_iu *resp = &sci_req->ssp.rsp;
struct ssp_response_iu *resp = &ireq->ssp.rsp;
ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
sci_swab32_cpy(&sci_req->ssp.rsp,
&sci_req->ssp.rsp,
sci_swab32_cpy(&ireq->ssp.rsp,
&ireq->ssp.rsp,
word_cnt);
if (resp->status == 0) {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS_IO_DONE_EARLY);
} else {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
}
......@@ -896,11 +885,11 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CHECK_RESPONSE): {
ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
sci_swab32_cpy(&sci_req->ssp.rsp,
&sci_req->ssp.rsp,
sci_swab32_cpy(&ireq->ssp.rsp,
&ireq->ssp.rsp,
word_cnt);
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
break;
......@@ -911,15 +900,15 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
* guaranteed to be received before this completion status is
* posted?
*/
resp_iu = &sci_req->ssp.rsp;
resp_iu = &ireq->ssp.rsp;
datapres = resp_iu->datapres;
if (datapres == 1 || datapres == 2) {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
} else
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
break;
......@@ -935,13 +924,13 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_UNEXP_SDBFIS):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_REG_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SDB_ERR):
if (sci_req->protocol == SCIC_STP_PROTOCOL) {
scic_sds_request_set_status(sci_req,
if (ireq->protocol == SCIC_STP_PROTOCOL) {
scic_sds_request_set_status(ireq,
SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
SCU_COMPLETION_TL_STATUS_SHIFT,
SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED);
} else {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
SCU_COMPLETION_TL_STATUS_SHIFT,
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
......@@ -959,7 +948,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_STP_RESOURCES_BUSY):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_PROTOCOL_NOT_SUPPORTED):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_CONNECTION_RATE_NOT_SUPPORTED):
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
SCU_COMPLETION_TL_STATUS_SHIFT,
SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED);
......@@ -983,7 +972,7 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_RNCNV_OUTBOUND):
default:
scic_sds_request_set_status(
sci_req,
ireq,
SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
SCU_COMPLETION_TL_STATUS_SHIFT,
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
......@@ -995,21 +984,21 @@ request_started_state_tc_event(struct scic_sds_request *sci_req,
*/
/* In all cases we will treat this as the completion of the IO req. */
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
return SCI_SUCCESS;
}
static enum sci_status
request_aborting_state_tc_event(struct scic_sds_request *sci_req,
request_aborting_state_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case (SCU_TASK_DONE_GOOD << SCU_COMPLETION_TL_STATUS_SHIFT):
case (SCU_TASK_DONE_TASK_ABORT << SCU_COMPLETION_TL_STATUS_SHIFT):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_TASK_ABORT,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_TASK_ABORT,
SCI_FAILURE_IO_TERMINATED);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
default:
......@@ -1022,15 +1011,15 @@ request_aborting_state_tc_event(struct scic_sds_request *sci_req,
return SCI_SUCCESS;
}
static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request *sci_req,
static enum sci_status ssp_task_request_await_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_TASK_WAIT_TC_RESP);
sci_change_state(&ireq->sm, SCI_REQ_TASK_WAIT_TC_RESP);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_ACK_NAK_TO):
/* Currently, the decision is to simply allow the task request
......@@ -1038,12 +1027,12 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request *
* There is a potential for receiving multiple task responses if
* we decide to send the task IU again.
*/
dev_warn(scic_to_dev(sci_req->owning_controller),
dev_warn(scic_to_dev(ireq->owning_controller),
"%s: TaskRequest:0x%p CompletionCode:%x - "
"ACK/NAK timeout\n", __func__, sci_req,
"ACK/NAK timeout\n", __func__, ireq,
completion_code);
sci_change_state(&sci_req->sm, SCI_REQ_TASK_WAIT_TC_RESP);
sci_change_state(&ireq->sm, SCI_REQ_TASK_WAIT_TC_RESP);
break;
default:
/*
......@@ -1051,11 +1040,11 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request *
* If a NAK was received, then it is up to the user to retry
* the request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -1063,7 +1052,7 @@ static enum sci_status ssp_task_request_await_tc_event(struct scic_sds_request *
}
static enum sci_status
smp_request_await_response_tc_event(struct scic_sds_request *sci_req,
smp_request_await_response_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
......@@ -1072,10 +1061,10 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req,
* unexpected. but if the TC has success status, we
* complete the IO anyway.
*/
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_SMP_RESP_TO_ERR):
......@@ -1089,21 +1078,21 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req,
* these SMP_XXX_XX_ERR status. For these type of error,
* we ask scic user to retry the request.
*/
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_SMP_RESP_TO_ERR,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_SMP_RESP_TO_ERR,
SCI_FAILURE_RETRY_REQUIRED);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
default:
/* All other completion status cause the IO to be complete. If a NAK
* was received, then it is up to the user to retry the request
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -1111,50 +1100,50 @@ smp_request_await_response_tc_event(struct scic_sds_request *sci_req,
}
static enum sci_status
smp_request_await_tc_event(struct scic_sds_request *sci_req,
smp_request_await_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
default:
/* All other completion status cause the IO to be
* complete. If a NAK was received, then it is up to
* the user to retry the request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
return SCI_SUCCESS;
}
void scic_stp_io_request_set_ncq_tag(struct scic_sds_request *req,
void scic_stp_io_request_set_ncq_tag(struct isci_request *ireq,
u16 ncq_tag)
{
/**
* @note This could be made to return an error to the user if the user
* attempts to set the NCQ tag in the wrong state.
*/
req->tc->type.stp.ncq_tag = ncq_tag;
ireq->tc->type.stp.ncq_tag = ncq_tag;
}
static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req)
{
struct scu_sgl_element *sgl;
struct scu_sgl_element_pair *sgl_pair;
struct scic_sds_request *sci_req = to_sci_req(stp_req);
struct isci_request *ireq = to_ireq(stp_req);
struct isci_stp_pio_sgl *pio_sgl = &stp_req->sgl;
sgl_pair = to_sgl_element_pair(sci_req, pio_sgl->index);
sgl_pair = to_sgl_element_pair(ireq, pio_sgl->index);
if (!sgl_pair)
sgl = NULL;
else if (pio_sgl->set == SCU_SGL_ELEMENT_PAIR_A) {
......@@ -1172,7 +1161,7 @@ static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req)
} else {
pio_sgl->index++;
pio_sgl->set = SCU_SGL_ELEMENT_PAIR_A;
sgl_pair = to_sgl_element_pair(sci_req, pio_sgl->index);
sgl_pair = to_sgl_element_pair(ireq, pio_sgl->index);
sgl = &sgl_pair->A;
}
}
......@@ -1181,15 +1170,15 @@ static struct scu_sgl_element *pio_sgl_next(struct isci_stp_request *stp_req)
}
static enum sci_status
stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req,
stp_request_non_data_await_h2d_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_STP_NON_DATA_WAIT_D2H);
sci_change_state(&ireq->sm, SCI_REQ_STP_NON_DATA_WAIT_D2H);
break;
default:
......@@ -1197,11 +1186,11 @@ stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req,
* complete. If a NAK was received, then it is up to
* the user to retry the request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -1214,18 +1203,18 @@ stp_request_non_data_await_h2d_tc_event(struct scic_sds_request *sci_req,
* parameter length. current sgl and offset is alreay stored in the IO request
*/
static enum sci_status scic_sds_stp_request_pio_data_out_trasmit_data_frame(
struct scic_sds_request *sci_req,
struct isci_request *ireq,
u32 length)
{
struct isci_stp_request *stp_req = &sci_req->stp.req;
struct scu_task_context *task_context = sci_req->tc;
struct isci_stp_request *stp_req = &ireq->stp.req;
struct scu_task_context *task_context = ireq->tc;
struct scu_sgl_element_pair *sgl_pair;
struct scu_sgl_element *current_sgl;
/* Recycle the TC and reconstruct it for sending out DATA FIS containing
* for the data from current_sgl+offset for the input length
*/
sgl_pair = to_sgl_element_pair(sci_req, stp_req->sgl.index);
sgl_pair = to_sgl_element_pair(ireq, stp_req->sgl.index);
if (stp_req->sgl.set == SCU_SGL_ELEMENT_PAIR_A)
current_sgl = &sgl_pair->A;
else
......@@ -1238,12 +1227,12 @@ static enum sci_status scic_sds_stp_request_pio_data_out_trasmit_data_frame(
task_context->type.stp.fis_type = FIS_DATA;
/* send the new TC out. */
return scic_controller_continue_io(sci_req);
return scic_controller_continue_io(ireq);
}
static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct scic_sds_request *sci_req)
static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct isci_request *ireq)
{
struct isci_stp_request *stp_req = &sci_req->stp.req;
struct isci_stp_request *stp_req = &ireq->stp.req;
struct scu_sgl_element_pair *sgl_pair;
struct scu_sgl_element *sgl;
enum sci_status status;
......@@ -1251,7 +1240,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc
u32 len = 0;
offset = stp_req->sgl.offset;
sgl_pair = to_sgl_element_pair(sci_req, stp_req->sgl.index);
sgl_pair = to_sgl_element_pair(ireq, stp_req->sgl.index);
if (WARN_ONCE(!sgl_pair, "%s: null sgl element", __func__))
return SCI_FAILURE;
......@@ -1267,7 +1256,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc
return SCI_SUCCESS;
if (stp_req->pio_len >= len) {
status = scic_sds_stp_request_pio_data_out_trasmit_data_frame(sci_req, len);
status = scic_sds_stp_request_pio_data_out_trasmit_data_frame(ireq, len);
if (status != SCI_SUCCESS)
return status;
stp_req->pio_len -= len;
......@@ -1276,7 +1265,7 @@ static enum sci_status scic_sds_stp_request_pio_data_out_transmit_data(struct sc
sgl = pio_sgl_next(stp_req);
offset = 0;
} else if (stp_req->pio_len < len) {
scic_sds_stp_request_pio_data_out_trasmit_data_frame(sci_req, stp_req->pio_len);
scic_sds_stp_request_pio_data_out_trasmit_data_frame(ireq, stp_req->pio_len);
/* Sgl offset will be adjusted and saved for future */
offset += stp_req->pio_len;
......@@ -1302,7 +1291,6 @@ static enum sci_status
scic_sds_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_req,
u8 *data_buf, u32 len)
{
struct scic_sds_request *sci_req;
struct isci_request *ireq;
u8 *src_addr;
int copy_len;
......@@ -1311,8 +1299,7 @@ scic_sds_stp_request_pio_data_in_copy_data_buffer(struct isci_stp_request *stp_r
void *kaddr;
int total_len = len;
sci_req = to_sci_req(stp_req);
ireq = sci_req_to_ireq(sci_req);
ireq = to_ireq(stp_req);
task = isci_request_access_task(ireq);
src_addr = data_buf;
......@@ -1373,18 +1360,18 @@ static enum sci_status scic_sds_stp_request_pio_data_in_copy_data(
}
static enum sci_status
stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req,
stp_request_pio_await_h2d_completion_tc_event(struct isci_request *ireq,
u32 completion_code)
{
enum sci_status status = SCI_SUCCESS;
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
break;
default:
......@@ -1392,11 +1379,11 @@ stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req,
* complete. If a NAK was received, then it is up to
* the user to retry the request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -1404,18 +1391,18 @@ stp_request_pio_await_h2d_completion_tc_event(struct scic_sds_request *sci_req,
}
static enum sci_status
pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req,
pio_data_out_tx_done_tc_event(struct isci_request *ireq,
u32 completion_code)
{
enum sci_status status = SCI_SUCCESS;
bool all_frames_transferred = false;
struct isci_stp_request *stp_req = &sci_req->stp.req;
struct isci_stp_request *stp_req = &ireq->stp.req;
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
/* Transmit data */
if (stp_req->pio_len != 0) {
status = scic_sds_stp_request_pio_data_out_transmit_data(sci_req);
status = scic_sds_stp_request_pio_data_out_transmit_data(ireq);
if (status == SCI_SUCCESS) {
if (stp_req->pio_len == 0)
all_frames_transferred = true;
......@@ -1433,7 +1420,7 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req,
/*
* Change the state to SCI_REQ_STP_PIO_DATA_IN
* and wait for PIO_SETUP fis / or D2H REg fis. */
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
}
break;
......@@ -1444,11 +1431,11 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req,
* the request.
*/
scic_sds_request_set_status(
sci_req,
ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -1456,18 +1443,18 @@ pio_data_out_tx_done_tc_event(struct scic_sds_request *sci_req,
}
static void scic_sds_stp_request_udma_complete_request(
struct scic_sds_request *request,
struct isci_request *ireq,
u32 scu_status,
enum sci_status sci_status)
{
scic_sds_request_set_status(request, scu_status, sci_status);
sci_change_state(&request->sm, SCI_REQ_COMPLETED);
scic_sds_request_set_status(ireq, scu_status, sci_status);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
}
static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct scic_sds_request *sci_req,
static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct isci_request *ireq,
u32 frame_index)
{
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
struct dev_to_host_fis *frame_header;
enum sci_status status;
u32 *frame_buffer;
......@@ -1482,7 +1469,7 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct sc
frame_index,
(void **)&frame_buffer);
scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
scic_sds_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
}
......@@ -1493,16 +1480,16 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct sc
}
enum sci_status
scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
scic_sds_io_request_frame_handler(struct isci_request *ireq,
u32 frame_index)
{
struct scic_sds_controller *scic = sci_req->owning_controller;
struct isci_stp_request *stp_req = &sci_req->stp.req;
struct scic_sds_controller *scic = ireq->owning_controller;
struct isci_stp_request *stp_req = &ireq->stp.req;
enum sci_base_request_states state;
enum sci_status status;
ssize_t word_cnt;
state = sci_req->sm.current_state_id;
state = ireq->sm.current_state_id;
switch (state) {
case SCI_REQ_STARTED: {
struct ssp_frame_hdr ssp_hdr;
......@@ -1523,24 +1510,24 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
frame_index,
(void **)&resp_iu);
sci_swab32_cpy(&sci_req->ssp.rsp, resp_iu, word_cnt);
sci_swab32_cpy(&ireq->ssp.rsp, resp_iu, word_cnt);
resp_iu = &sci_req->ssp.rsp;
resp_iu = &ireq->ssp.rsp;
if (resp_iu->datapres == 0x01 ||
resp_iu->datapres == 0x02) {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
} else
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
} else {
/* not a response frame, why did it get forwarded? */
dev_err(scic_to_dev(scic),
"%s: SCIC IO Request 0x%p received unexpected "
"frame %d type 0x%02x\n", __func__, sci_req,
"frame %d type 0x%02x\n", __func__, ireq,
frame_index, ssp_hdr.frame_type);
}
......@@ -1554,13 +1541,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
}
case SCI_REQ_TASK_WAIT_TC_RESP:
scic_sds_io_request_copy_response(sci_req);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
scic_sds_io_request_copy_response(ireq);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
scic_sds_controller_release_frame(scic,frame_index);
return SCI_SUCCESS;
case SCI_REQ_SMP_WAIT_RESP: {
struct smp_resp *rsp_hdr = &sci_req->smp.rsp;
struct smp_resp *rsp_hdr = &ireq->smp.rsp;
void *frame_header;
scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
......@@ -1584,10 +1571,10 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
sci_swab32_cpy(((u8 *) rsp_hdr) + SMP_RESP_HDR_SZ,
smp_resp, word_cnt);
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_SMP_WAIT_TC_COMP);
sci_change_state(&ireq->sm, SCI_REQ_SMP_WAIT_TC_COMP);
} else {
/*
* This was not a response frame why did it get
......@@ -1597,15 +1584,15 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
"%s: SCIC SMP Request 0x%p received unexpected "
"frame %d type 0x%02x\n",
__func__,
sci_req,
ireq,
frame_index,
rsp_hdr->frame_type);
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_SMP_FRM_TYPE_ERR,
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
}
scic_sds_controller_release_frame(scic, frame_index);
......@@ -1614,18 +1601,18 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
}
case SCI_REQ_STP_UDMA_WAIT_TC_COMP:
return scic_sds_stp_request_udma_general_frame_handler(sci_req,
return scic_sds_stp_request_udma_general_frame_handler(ireq,
frame_index);
case SCI_REQ_STP_UDMA_WAIT_D2H:
/* Use the general frame handler to copy the resposne data */
status = scic_sds_stp_request_udma_general_frame_handler(sci_req,
status = scic_sds_stp_request_udma_general_frame_handler(ireq,
frame_index);
if (status != SCI_SUCCESS)
return status;
scic_sds_stp_request_udma_complete_request(sci_req,
scic_sds_stp_request_udma_complete_request(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
......@@ -1657,12 +1644,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
frame_index,
(void **)&frame_buffer);
scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
scic_sds_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
/* The command has completed with error */
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_CHECK_RESPONSE,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
break;
......@@ -1672,12 +1659,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
"violation occurred\n", __func__, stp_req,
frame_index);
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_UNEXP_FIS,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_UNEXP_FIS,
SCI_FAILURE_PROTOCOL_VIOLATION);
break;
}
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
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);
......@@ -1686,7 +1673,6 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
}
case SCI_REQ_STP_PIO_WAIT_FRAME: {
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct sas_task *task = isci_request_access_task(ireq);
struct dev_to_host_fis *frame_header;
u32 *frame_buffer;
......@@ -1722,28 +1708,28 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
/* status: 4th byte in the 3rd dword */
stp_req->status = (frame_buffer[2] >> 24) & 0xff;
scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
scic_sds_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
sci_req->stp.rsp.status = stp_req->status;
ireq->stp.rsp.status = stp_req->status;
/* The next state is dependent on whether the
* request was PIO Data-in or Data out
*/
if (task->data_dir == DMA_FROM_DEVICE) {
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_DATA_IN);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_DATA_IN);
} else if (task->data_dir == DMA_TO_DEVICE) {
/* Transmit data */
status = scic_sds_stp_request_pio_data_out_transmit_data(sci_req);
status = scic_sds_stp_request_pio_data_out_transmit_data(ireq);
if (status != SCI_SUCCESS)
break;
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_DATA_OUT);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_DATA_OUT);
}
break;
case FIS_SETDEVBITS:
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
break;
case FIS_REGD2H:
......@@ -1767,15 +1753,15 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
frame_index,
(void **)&frame_buffer);
scic_sds_controller_copy_sata_response(&sci_req->stp.req,
scic_sds_controller_copy_sata_response(&ireq->stp.req,
frame_header,
frame_buffer);
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
default:
......@@ -1818,11 +1804,11 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
frame_index,
frame_header->fis_type);
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_GOOD,
SCI_FAILURE_IO_REQUIRES_SCSI_ABORT);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
/* Frame is decoded return it to the controller */
scic_sds_controller_release_frame(scic, frame_index);
......@@ -1830,7 +1816,7 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
}
if (stp_req->sgl.index < 0) {
sci_req->saved_rx_frame_index = frame_index;
ireq->saved_rx_frame_index = frame_index;
stp_req->pio_len = 0;
} else {
scic_sds_unsolicited_frame_control_get_buffer(&scic->uf_control,
......@@ -1851,13 +1837,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
return status;
if ((stp_req->status & ATA_BUSY) == 0) {
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
} else {
sci_change_state(&sci_req->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
sci_change_state(&ireq->sm, SCI_REQ_STP_PIO_WAIT_FRAME);
}
return status;
}
......@@ -1886,12 +1872,12 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
frame_index,
(void **)&frame_buffer);
scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
scic_sds_controller_copy_sata_response(&ireq->stp.rsp,
frame_header,
frame_buffer);
/* The command has completed with error */
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
break;
......@@ -1904,13 +1890,13 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
stp_req,
frame_index);
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_TASK_DONE_UNEXP_FIS,
SCI_FAILURE_PROTOCOL_VIOLATION);
break;
}
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
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);
......@@ -1938,14 +1924,14 @@ scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
}
}
static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *sci_req,
static enum sci_status stp_request_udma_await_tc_event(struct isci_request *ireq,
u32 completion_code)
{
enum sci_status status = SCI_SUCCESS;
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_stp_request_udma_complete_request(sci_req,
scic_sds_stp_request_udma_complete_request(ireq,
SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
break;
......@@ -1955,11 +1941,11 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *
* Register FIS was received before we got the TC
* completion.
*/
if (sci_req->stp.rsp.fis_type == FIS_REGD2H) {
scic_sds_remote_device_suspend(sci_req->target_device,
if (ireq->stp.rsp.fis_type == FIS_REGD2H) {
scic_sds_remote_device_suspend(ireq->target_device,
SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)));
scic_sds_stp_request_udma_complete_request(sci_req,
scic_sds_stp_request_udma_complete_request(ireq,
SCU_TASK_DONE_CHECK_RESPONSE,
SCI_FAILURE_IO_RESPONSE_VALID);
} else {
......@@ -1968,7 +1954,7 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *
* the device so we must change state to wait
* for it
*/
sci_change_state(&sci_req->sm, SCI_REQ_STP_UDMA_WAIT_D2H);
sci_change_state(&ireq->sm, SCI_REQ_STP_UDMA_WAIT_D2H);
}
break;
......@@ -1983,12 +1969,12 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_LL_R_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CMD_LL_R_ERR):
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_CRC_ERR):
scic_sds_remote_device_suspend(sci_req->target_device,
scic_sds_remote_device_suspend(ireq->target_device,
SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)));
/* Fall through to the default case */
default:
/* All other completion status cause the IO to be complete. */
scic_sds_stp_request_udma_complete_request(sci_req,
scic_sds_stp_request_udma_complete_request(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
break;
......@@ -1998,15 +1984,15 @@ static enum sci_status stp_request_udma_await_tc_event(struct scic_sds_request *
}
static enum sci_status
stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_req,
stp_request_soft_reset_await_h2d_asserted_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG);
sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG);
break;
default:
......@@ -2015,11 +2001,11 @@ stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_
* If a NAK was received, then it is up to the user to retry
* the request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -2027,15 +2013,15 @@ stp_request_soft_reset_await_h2d_asserted_tc_event(struct scic_sds_request *sci_
}
static enum sci_status
stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sci_req,
stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct isci_request *ireq,
u32 completion_code)
{
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_GOOD):
scic_sds_request_set_status(sci_req, SCU_TASK_DONE_GOOD,
scic_sds_request_set_status(ireq, SCU_TASK_DONE_GOOD,
SCI_SUCCESS);
sci_change_state(&sci_req->sm, SCI_REQ_STP_SOFT_RESET_WAIT_D2H);
sci_change_state(&ireq->sm, SCI_REQ_STP_SOFT_RESET_WAIT_D2H);
break;
default:
......@@ -2043,11 +2029,11 @@ stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sc
* a NAK was received, then it is up to the user to retry the
* request.
*/
scic_sds_request_set_status(sci_req,
scic_sds_request_set_status(ireq,
SCU_NORMALIZE_COMPLETION_STATUS(completion_code),
SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
sci_change_state(&sci_req->sm, SCI_REQ_COMPLETED);
sci_change_state(&ireq->sm, SCI_REQ_COMPLETED);
break;
}
......@@ -2055,54 +2041,54 @@ stp_request_soft_reset_await_h2d_diagnostic_tc_event(struct scic_sds_request *sc
}
enum sci_status
scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req,
scic_sds_io_request_tc_completion(struct isci_request *ireq,
u32 completion_code)
{
enum sci_base_request_states state;
struct scic_sds_controller *scic = sci_req->owning_controller;
struct scic_sds_controller *scic = ireq->owning_controller;
state = sci_req->sm.current_state_id;
state = ireq->sm.current_state_id;
switch (state) {
case SCI_REQ_STARTED:
return request_started_state_tc_event(sci_req, completion_code);
return request_started_state_tc_event(ireq, completion_code);
case SCI_REQ_TASK_WAIT_TC_COMP:
return ssp_task_request_await_tc_event(sci_req,
return ssp_task_request_await_tc_event(ireq,
completion_code);
case SCI_REQ_SMP_WAIT_RESP:
return smp_request_await_response_tc_event(sci_req,
return smp_request_await_response_tc_event(ireq,
completion_code);
case SCI_REQ_SMP_WAIT_TC_COMP:
return smp_request_await_tc_event(sci_req, completion_code);
return smp_request_await_tc_event(ireq, completion_code);
case SCI_REQ_STP_UDMA_WAIT_TC_COMP:
return stp_request_udma_await_tc_event(sci_req,
return stp_request_udma_await_tc_event(ireq,
completion_code);
case SCI_REQ_STP_NON_DATA_WAIT_H2D:
return stp_request_non_data_await_h2d_tc_event(sci_req,
return stp_request_non_data_await_h2d_tc_event(ireq,
completion_code);
case SCI_REQ_STP_PIO_WAIT_H2D:
return stp_request_pio_await_h2d_completion_tc_event(sci_req,
return stp_request_pio_await_h2d_completion_tc_event(ireq,
completion_code);
case SCI_REQ_STP_PIO_DATA_OUT:
return pio_data_out_tx_done_tc_event(sci_req, completion_code);
return pio_data_out_tx_done_tc_event(ireq, completion_code);
case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED:
return stp_request_soft_reset_await_h2d_asserted_tc_event(sci_req,
return stp_request_soft_reset_await_h2d_asserted_tc_event(ireq,
completion_code);
case SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG:
return stp_request_soft_reset_await_h2d_diagnostic_tc_event(sci_req,
return stp_request_soft_reset_await_h2d_diagnostic_tc_event(ireq,
completion_code);
case SCI_REQ_ABORTING:
return request_aborting_state_tc_event(sci_req,
return request_aborting_state_tc_event(ireq,
completion_code);
default:
......@@ -2201,7 +2187,7 @@ static void isci_request_handle_controller_specific_errors(
{
unsigned int cstatus;
cstatus = request->sci.scu_status;
cstatus = request->scu_status;
dev_dbg(&request->isci_host->pdev->dev,
"%s: %p SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR "
......@@ -2640,13 +2626,13 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
task);
if (sas_protocol_ata(task->task_proto)) {
resp_buf = &request->sci.stp.rsp;
resp_buf = &request->stp.rsp;
isci_request_process_stp_response(task,
resp_buf);
} else if (SAS_PROTOCOL_SSP == task->task_proto) {
/* crack the iu response buffer. */
resp_iu = &request->sci.ssp.rsp;
resp_iu = &request->ssp.rsp;
isci_request_process_response_iu(task, resp_iu,
&isci_host->pdev->dev);
......@@ -2677,7 +2663,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
set_bit(IREQ_COMPLETE_IN_TARGET, &request->flags);
if (task->task_proto == SAS_PROTOCOL_SMP) {
void *rsp = &request->sci.smp.rsp;
void *rsp = &request->smp.rsp;
dev_dbg(&isci_host->pdev->dev,
"%s: SMP protocol completion\n",
......@@ -2693,7 +2679,7 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
* There is a possibility that less data than
* the maximum was transferred.
*/
u32 transferred_length = sci_req_tx_bytes(&request->sci);
u32 transferred_length = sci_req_tx_bytes(request);
task->task_status.residual
= task->total_xfer_len - transferred_length;
......@@ -2851,8 +2837,8 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
/* complete the io request to the core. */
scic_controller_complete_io(&isci_host->sci,
request->sci.target_device,
&request->sci);
request->target_device,
request);
isci_put_device(idev);
/* set terminated handle so it cannot be completed or
......@@ -2864,9 +2850,8 @@ static void isci_request_io_request_complete(struct isci_host *isci_host,
static void scic_sds_request_started_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct isci_request *ireq = sci_req_to_ireq(sci_req);
struct domain_device *dev = sci_dev_to_domain(sci_req->target_device);
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
struct domain_device *dev = sci_dev_to_domain(ireq->target_device);
struct sas_task *task;
/* XXX as hch said always creating an internal sas_task for tmf
......@@ -2902,66 +2887,65 @@ 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 scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct scic_sds_controller *scic = sci_req->owning_controller;
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_request *ireq = sci_req_to_ireq(sci_req);
/* Tell the SCI_USER that the IO request is complete */
if (!test_bit(IREQ_TMF, &ireq->flags))
isci_request_io_request_complete(ihost, ireq,
sci_req->sci_status);
ireq->sci_status);
else
isci_task_request_complete(ihost, ireq, sci_req->sci_status);
isci_task_request_complete(ihost, ireq, ireq->sci_status);
}
static void scic_sds_request_aborting_state_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
/* Setting the abort bit in the Task Context is required by the silicon. */
sci_req->tc->abort = 1;
ireq->tc->abort = 1;
}
static void scic_sds_stp_request_started_non_data_await_h2d_completion_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
scic_sds_remote_device_set_working_request(sci_req->target_device,
sci_req);
scic_sds_remote_device_set_working_request(ireq->target_device,
ireq);
}
static void scic_sds_stp_request_started_pio_await_h2d_completion_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
scic_sds_remote_device_set_working_request(sci_req->target_device,
sci_req);
scic_sds_remote_device_set_working_request(ireq->target_device,
ireq);
}
static void scic_sds_stp_request_started_soft_reset_await_h2d_asserted_completion_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
scic_sds_remote_device_set_working_request(sci_req->target_device,
sci_req);
scic_sds_remote_device_set_working_request(ireq->target_device,
ireq);
}
static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_completion_enter(struct sci_base_state_machine *sm)
{
struct scic_sds_request *sci_req = container_of(sm, typeof(*sci_req), sm);
struct scu_task_context *tc = sci_req->tc;
struct isci_request *ireq = container_of(sm, typeof(*ireq), sm);
struct scu_task_context *tc = ireq->tc;
struct host_to_dev_fis *h2d_fis;
enum sci_status status;
/* Clear the SRST bit */
h2d_fis = &sci_req->stp.cmd;
h2d_fis = &ireq->stp.cmd;
h2d_fis->control = 0;
/* Clear the TC control bit */
tc->control_frame = 0;
status = scic_controller_continue_io(sci_req);
status = scic_controller_continue_io(ireq);
WARN_ONCE(status != SCI_SUCCESS, "isci: continue io failure\n");
}
......@@ -3006,29 +2990,29 @@ static const struct sci_base_state scic_sds_request_state_table[] = {
static void
scic_sds_general_request_construct(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
sci_init_sm(&sci_req->sm, scic_sds_request_state_table, SCI_REQ_INIT);
sci_init_sm(&ireq->sm, scic_sds_request_state_table, SCI_REQ_INIT);
sci_req->target_device = sci_dev;
sci_req->protocol = SCIC_NO_PROTOCOL;
sci_req->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
ireq->target_device = sci_dev;
ireq->protocol = SCIC_NO_PROTOCOL;
ireq->saved_rx_frame_index = SCU_INVALID_FRAME_INDEX;
sci_req->sci_status = SCI_SUCCESS;
sci_req->scu_status = 0;
sci_req->post_context = 0xFFFFFFFF;
ireq->sci_status = SCI_SUCCESS;
ireq->scu_status = 0;
ireq->post_context = 0xFFFFFFFF;
}
static enum sci_status
scic_io_request_construct(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
struct scic_sds_request *sci_req)
struct isci_request *ireq)
{
struct domain_device *dev = sci_dev_to_domain(sci_dev);
enum sci_status status = SCI_SUCCESS;
/* Build the common part of the request */
scic_sds_general_request_construct(scic, sci_dev, sci_req);
scic_sds_general_request_construct(scic, sci_dev, ireq);
if (sci_dev->rnc.remote_node_index == SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX)
return SCI_FAILURE_INVALID_REMOTE_DEVICE;
......@@ -3036,31 +3020,31 @@ scic_io_request_construct(struct scic_sds_controller *scic,
if (dev->dev_type == SAS_END_DEV)
/* pass */;
else if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP))
memset(&sci_req->stp.cmd, 0, sizeof(sci_req->stp.cmd));
memset(&ireq->stp.cmd, 0, sizeof(ireq->stp.cmd));
else if (dev_is_expander(dev))
/* pass */;
else
return SCI_FAILURE_UNSUPPORTED_PROTOCOL;
memset(sci_req->tc, 0, offsetof(struct scu_task_context, sgl_pair_ab));
memset(ireq->tc, 0, offsetof(struct scu_task_context, sgl_pair_ab));
return status;
}
enum sci_status scic_task_request_construct(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
u16 io_tag, struct scic_sds_request *sci_req)
u16 io_tag, struct isci_request *ireq)
{
struct domain_device *dev = sci_dev_to_domain(sci_dev);
enum sci_status status = SCI_SUCCESS;
/* Build the common part of the request */
scic_sds_general_request_construct(scic, sci_dev, sci_req);
scic_sds_general_request_construct(scic, sci_dev, ireq);
if (dev->dev_type == SAS_END_DEV ||
dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_STP)) {
set_bit(IREQ_TMF, &sci_req_to_ireq(sci_req)->flags);
memset(sci_req->tc, 0, sizeof(struct scu_task_context));
set_bit(IREQ_TMF, &ireq->flags);
memset(ireq->tc, 0, sizeof(struct scu_task_context));
} else
status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
......@@ -3076,7 +3060,7 @@ static enum sci_status isci_request_ssp_request_construct(
"%s: request = %p\n",
__func__,
request);
status = scic_io_request_construct_basic_ssp(&request->sci);
status = scic_io_request_construct_basic_ssp(request);
return status;
}
......@@ -3097,7 +3081,7 @@ static enum sci_status isci_request_stp_request_construct(
*/
register_fis = isci_sata_task_to_fis_copy(task);
status = scic_io_request_construct_basic_sata(&request->sci);
status = scic_io_request_construct_basic_sata(request);
/* Set the ncq tag in the fis, from the queue
* command in the task.
......@@ -3115,7 +3099,7 @@ static enum sci_status isci_request_stp_request_construct(
static enum sci_status
scic_io_request_construct_smp(struct device *dev,
struct scic_sds_request *sci_req,
struct isci_request *ireq,
struct sas_task *task)
{
struct scatterlist *sg = &task->smp_task.smp_req;
......@@ -3158,14 +3142,14 @@ scic_io_request_construct_smp(struct device *dev,
if (!dma_map_sg(dev, sg, 1, DMA_TO_DEVICE))
return SCI_FAILURE;
sci_req->protocol = SCIC_SMP_PROTOCOL;
ireq->protocol = SCIC_SMP_PROTOCOL;
/* byte swap the smp request. */
task_context = sci_req->tc;
task_context = ireq->tc;
sci_dev = scic_sds_request_get_device(sci_req);
sci_port = scic_sds_request_get_port(sci_req);
sci_dev = scic_sds_request_get_device(ireq);
sci_port = scic_sds_request_get_port(ireq);
/*
* Fill in the TC with the its required data
......@@ -3217,12 +3201,12 @@ scic_io_request_construct_smp(struct device *dev,
*/
task_context->task_phase = 0;
sci_req->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
ireq->post_context = (SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
(scic_sds_controller_get_protocol_engine_group(scic) <<
SCU_CONTEXT_COMMAND_PROTOCOL_ENGINE_GROUP_SHIFT) |
(scic_sds_port_get_index(sci_port) <<
SCU_CONTEXT_COMMAND_LOGICAL_PORT_SHIFT) |
ISCI_TAG_TCI(sci_req->io_tag));
ISCI_TAG_TCI(ireq->io_tag));
/*
* Copy the physical address for the command buffer to the SCU Task
* Context command buffer should not contain command header.
......@@ -3234,7 +3218,7 @@ scic_io_request_construct_smp(struct device *dev,
task_context->response_iu_upper = 0;
task_context->response_iu_lower = 0;
sci_change_state(&sci_req->sm, SCI_REQ_CONSTRUCTED);
sci_change_state(&ireq->sm, SCI_REQ_CONSTRUCTED);
return SCI_SUCCESS;
}
......@@ -3250,10 +3234,9 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq)
{
struct sas_task *task = isci_request_access_task(ireq);
struct device *dev = &ireq->isci_host->pdev->dev;
struct scic_sds_request *sci_req = &ireq->sci;
enum sci_status status = SCI_FAILURE;
status = scic_io_request_construct_smp(dev, sci_req, task);
status = scic_io_request_construct_smp(dev, ireq, task);
if (status != SCI_SUCCESS)
dev_warn(&ireq->isci_host->pdev->dev,
"%s: failed with status = %d\n",
......@@ -3309,7 +3292,7 @@ static enum sci_status isci_io_request_build(struct isci_host *isci_host,
}
status = scic_io_request_construct(&isci_host->sci, sci_device,
&request->sci);
request);
if (status != SCI_SUCCESS) {
dev_warn(&isci_host->pdev->dev,
......@@ -3344,7 +3327,7 @@ static struct isci_request *isci_request_from_tag(struct isci_host *ihost, u16 t
struct isci_request *ireq;
ireq = ihost->reqs[ISCI_TAG_TCI(tag)];
ireq->sci.io_tag = tag;
ireq->io_tag = tag;
ireq->io_request_completion = NULL;
ireq->flags = 0;
ireq->num_sg_entries = 0;
......@@ -3416,14 +3399,14 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
*/
status = scic_controller_start_task(&ihost->sci,
&idev->sci,
&ireq->sci);
ireq);
} else {
status = SCI_FAILURE;
}
} else {
/* send the request, let the core assign the IO TAG. */
status = scic_controller_start_io(&ihost->sci, &idev->sci,
&ireq->sci);
ireq);
}
if (status != SCI_SUCCESS &&
......@@ -3446,8 +3429,6 @@ int isci_request_execute(struct isci_host *ihost, struct isci_remote_device *ide
list_add(&ireq->dev_node, &idev->reqs_in_process);
if (status == SCI_SUCCESS) {
/* Save the tag for possible task mgmt later. */
ireq->io_tag = ireq->sci.io_tag;
isci_request_change_state(ireq, started);
} else {
/* The request did not really start in the
......
drivers/scsi/isci/request.h
View file @ 5076a1a9
......@@ -110,69 +110,55 @@ struct isci_stp_request {
u32 device_cdb_len;
};
struct scic_sds_request {
/*
* This field contains the information for the base request state
* machine.
struct isci_request {
enum isci_request_status status;
#define IREQ_COMPLETE_IN_TARGET 0
#define IREQ_TERMINATED 1
#define IREQ_TMF 2
#define IREQ_ACTIVE 3
unsigned long flags;
/* XXX kill ttype and ttype_ptr, allocate full sas_task */
enum task_type ttype;
union ttype_ptr_union {
struct sas_task *io_task_ptr; /* When ttype==io_task */
struct isci_tmf *tmf_task_ptr; /* When ttype==tmf_task */
} ttype_ptr;
struct isci_host *isci_host;
/* For use in the requests_to_{complete|abort} lists: */
struct list_head completed_node;
/* For use in the reqs_in_process list: */
struct list_head dev_node;
spinlock_t state_lock;
dma_addr_t request_daddr;
dma_addr_t zero_scatter_daddr;
unsigned int num_sg_entries;
/* Note: "io_request_completion" is completed in two different ways
* depending on whether this is a TMF or regular request.
* - TMF requests are completed in the thread that started them;
* - regular requests are completed in the request completion callback
* function.
* This difference in operation allows the aborter of a TMF request
* to be sure that once the TMF request completes, the I/O that the
* TMF was aborting is guaranteed to have completed.
*
* XXX kill io_request_completion
*/
struct completion *io_request_completion;
struct sci_base_state_machine sm;
/*
* This field simply points to the controller to which this IO request
* is associated.
*/
struct scic_sds_controller *owning_controller;
/*
* This field simply points to the remote device to which this IO
* request is associated.
*/
struct scic_sds_remote_device *target_device;
/*
* This field indicates the IO tag for this request. The IO tag is
* comprised of the task_index and a sequence count. The sequence count
* is utilized to help identify tasks from one life to another.
*/
u16 io_tag;
/*
* This field specifies the protocol being utilized for this
* IO request.
*/
enum sci_request_protocol protocol;
/*
* This field indicates the completion status taken from the SCUs
* completion code. It indicates the completion result for the SCU
* hardware.
*/
u32 scu_status;
/*
* This field indicates the completion status returned to the SCI user.
* It indicates the users view of the io request completion.
*/
u32 sci_status;
/*
* This field contains the value to be utilized when posting
* (e.g. Post_TC, * Post_TC_Abort) this request to the silicon.
*/
u32 scu_status; /* hardware result */
u32 sci_status; /* upper layer disposition */
u32 post_context;
struct scu_task_context *tc;
/* could be larger with sg chaining */
#define SCU_SGL_SIZE ((SCI_MAX_SCATTER_GATHER_ELEMENTS + 1) / 2)
struct scu_sgl_element_pair sg_table[SCU_SGL_SIZE] __attribute__ ((aligned(32)));
/*
* This field is a pointer to the stored rx frame data. It is used in
/* This field is a pointer to the stored rx frame data. It is used in
* STP internal requests and SMP response frames. If this field is
* non-NULL the saved frame must be released on IO request completion.
*
* @todo In the future do we want to keep a list of RX frame buffers?
*/
u32 saved_rx_frame_index;
......@@ -187,11 +173,9 @@ struct scic_sds_request {
u8 rsp_buf[SSP_RESP_IU_MAX_SIZE];
};
} ssp;
struct {
struct smp_resp rsp;
} smp;
struct {
struct isci_stp_request req;
struct host_to_dev_fis cmd;
......@@ -200,56 +184,11 @@ struct scic_sds_request {
};
};
static inline struct scic_sds_request *to_sci_req(struct isci_stp_request *stp_req)
{
struct scic_sds_request *sci_req;
sci_req = container_of(stp_req, typeof(*sci_req), stp.req);
return sci_req;
}
struct isci_request {
enum isci_request_status status;
enum task_type ttype;
unsigned short io_tag;
#define IREQ_COMPLETE_IN_TARGET 0
#define IREQ_TERMINATED 1
#define IREQ_TMF 2
#define IREQ_ACTIVE 3
unsigned long flags;
union ttype_ptr_union {
struct sas_task *io_task_ptr; /* When ttype==io_task */
struct isci_tmf *tmf_task_ptr; /* When ttype==tmf_task */
} ttype_ptr;
struct isci_host *isci_host;
/* For use in the requests_to_{complete|abort} lists: */
struct list_head completed_node;
/* For use in the reqs_in_process list: */
struct list_head dev_node;
spinlock_t state_lock;
dma_addr_t request_daddr;
dma_addr_t zero_scatter_daddr;
unsigned int num_sg_entries; /* returned by pci_alloc_sg */
/** Note: "io_request_completion" is completed in two different ways
* depending on whether this is a TMF or regular request.
* - TMF requests are completed in the thread that started them;
* - regular requests are completed in the request completion callback
* function.
* This difference in operation allows the aborter of a TMF request
* to be sure that once the TMF request completes, the I/O that the
* TMF was aborting is guaranteed to have completed.
*/
struct completion *io_request_completion;
struct scic_sds_request sci;
};
static inline struct isci_request *sci_req_to_ireq(struct scic_sds_request *sci_req)
static inline struct isci_request *to_ireq(struct isci_stp_request *stp_req)
{
struct isci_request *ireq = container_of(sci_req, typeof(*ireq), sci);
struct isci_request *ireq;
ireq = container_of(stp_req, typeof(*ireq), stp.req);
return ireq;
}
......@@ -366,32 +305,32 @@ enum sci_base_request_states {
*
* This macro will return the controller for this io request object
*/
#define scic_sds_request_get_controller(sci_req) \
((sci_req)->owning_controller)
#define scic_sds_request_get_controller(ireq) \
((ireq)->owning_controller)
/**
* scic_sds_request_get_device() -
*
* This macro will return the device for this io request object
*/
#define scic_sds_request_get_device(sci_req) \
((sci_req)->target_device)
#define scic_sds_request_get_device(ireq) \
((ireq)->target_device)
/**
* scic_sds_request_get_port() -
*
* This macro will return the port for this io request object
*/
#define scic_sds_request_get_port(sci_req) \
scic_sds_remote_device_get_port(scic_sds_request_get_device(sci_req))
#define scic_sds_request_get_port(ireq) \
scic_sds_remote_device_get_port(scic_sds_request_get_device(ireq))
/**
* scic_sds_request_get_post_context() -
*
* This macro returns the constructed post context result for the io request.
*/
#define scic_sds_request_get_post_context(sci_req) \
((sci_req)->post_context)
#define scic_sds_request_get_post_context(ireq) \
((ireq)->post_context)
/**
* scic_sds_request_get_task_context() -
......@@ -413,26 +352,25 @@ enum sci_base_request_states {
(request)->sci_status = (sci_status_code); \
}
enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req);
enum sci_status scic_sds_io_request_terminate(struct scic_sds_request *sci_req);
enum sci_status scic_sds_request_start(struct isci_request *ireq);
enum sci_status scic_sds_io_request_terminate(struct isci_request *ireq);
enum sci_status
scic_sds_io_request_event_handler(struct scic_sds_request *sci_req,
scic_sds_io_request_event_handler(struct isci_request *ireq,
u32 event_code);
enum sci_status
scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
scic_sds_io_request_frame_handler(struct isci_request *ireq,
u32 frame_index);
enum sci_status
scic_sds_task_request_terminate(struct scic_sds_request *sci_req);
scic_sds_task_request_terminate(struct isci_request *ireq);
extern enum sci_status
scic_sds_request_complete(struct scic_sds_request *sci_req);
scic_sds_request_complete(struct isci_request *ireq);
extern enum sci_status
scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req, u32 code);
scic_sds_io_request_tc_completion(struct isci_request *ireq, u32 code);
/* XXX open code in caller */
static inline dma_addr_t
scic_io_request_get_dma_addr(struct scic_sds_request *sci_req, void *virt_addr)
scic_io_request_get_dma_addr(struct isci_request *ireq, void *virt_addr)
{
struct isci_request *ireq = sci_req_to_ireq(sci_req);
char *requested_addr = (char *)virt_addr;
char *base_addr = (char *)ireq;
......@@ -565,14 +503,14 @@ enum sci_status
scic_task_request_construct(struct scic_sds_controller *scic,
struct scic_sds_remote_device *sci_dev,
u16 io_tag,
struct scic_sds_request *sci_req);
struct isci_request *ireq);
enum sci_status
scic_task_request_construct_ssp(struct scic_sds_request *sci_req);
scic_task_request_construct_ssp(struct isci_request *ireq);
enum sci_status
scic_task_request_construct_sata(struct scic_sds_request *sci_req);
scic_task_request_construct_sata(struct isci_request *ireq);
void
scic_stp_io_request_set_ncq_tag(struct scic_sds_request *sci_req, u16 ncq_tag);
void scic_sds_smp_request_copy_response(struct scic_sds_request *sci_req);
scic_stp_io_request_set_ncq_tag(struct isci_request *ireq, u16 ncq_tag);
void scic_sds_smp_request_copy_response(struct isci_request *ireq);
static inline int isci_task_is_ncq_recovery(struct sas_task *task)
{
......
drivers/scsi/isci/sata.c
View file @ 5076a1a9
......@@ -70,7 +70,7 @@
struct host_to_dev_fis *isci_sata_task_to_fis_copy(struct sas_task *task)
{
struct isci_request *ireq = task->lldd_task;
struct host_to_dev_fis *fis = &ireq->sci.stp.cmd;
struct host_to_dev_fis *fis = &ireq->stp.cmd;
memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
......@@ -116,7 +116,7 @@ void isci_sata_set_ncq_tag(
struct isci_request *request = task->lldd_task;
register_fis->sector_count = qc->tag << 3;
scic_stp_io_request_set_ncq_tag(&request->sci, qc->tag);
scic_stp_io_request_set_ncq_tag(request, qc->tag);
}
/**
......@@ -154,7 +154,6 @@ void isci_request_process_stp_response(struct sas_task *task,
enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
{
struct scic_sds_request *sci_req = &ireq->sci;
struct isci_tmf *isci_tmf;
enum sci_status status;
......@@ -167,7 +166,7 @@ enum sci_status isci_sata_management_task_request_build(struct isci_request *ire
case isci_tmf_sata_srst_high:
case isci_tmf_sata_srst_low: {
struct host_to_dev_fis *fis = &sci_req->stp.cmd;
struct host_to_dev_fis *fis = &ireq->stp.cmd;
memset(fis, 0, sizeof(*fis));
......@@ -188,7 +187,7 @@ enum sci_status isci_sata_management_task_request_build(struct isci_request *ire
/* core builds the protocol specific request
* based on the h2d fis.
*/
status = scic_task_request_construct_sata(&ireq->sci);
status = scic_task_request_construct_sata(ireq);
return status;
}
......
drivers/scsi/isci/task.c
View file @ 5076a1a9
......@@ -258,7 +258,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
/* let the core do it's construct. */
status = scic_task_request_construct(&ihost->sci, &idev->sci, tag,
&ireq->sci);
ireq);
if (status != SCI_SUCCESS) {
dev_warn(&ihost->pdev->dev,
......@@ -272,7 +272,7 @@ static struct isci_request *isci_task_request_build(struct isci_host *ihost,
/* XXX convert to get this from task->tproto like other drivers */
if (dev->dev_type == SAS_END_DEV) {
isci_tmf->proto = SAS_PROTOCOL_SSP;
status = scic_task_request_construct_ssp(&ireq->sci);
status = scic_task_request_construct_ssp(ireq);
if (status != SCI_SUCCESS)
return NULL;
}
......@@ -337,7 +337,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
/* start the TMF io. */
status = scic_controller_start_task(&ihost->sci,
sci_device,
&ireq->sci);
ireq);
if (status != SCI_TASK_SUCCESS) {
dev_warn(&ihost->pdev->dev,
......@@ -371,7 +371,7 @@ int isci_task_execute_tmf(struct isci_host *ihost,
scic_controller_terminate_request(&ihost->sci,
&isci_device->sci,
&ireq->sci);
ireq);
spin_unlock_irqrestore(&ihost->scic_lock, flags);
......@@ -565,7 +565,7 @@ static void isci_terminate_request_core(
status = scic_controller_terminate_request(
&isci_host->sci,
&isci_device->sci,
&isci_request->sci);
isci_request);
}
spin_unlock_irqrestore(&isci_host->scic_lock, flags);
......@@ -1235,7 +1235,6 @@ isci_task_request_complete(struct isci_host *ihost,
{
struct isci_tmf *tmf = isci_request_access_tmf(ireq);
struct completion *tmf_complete;
struct scic_sds_request *sci_req = &ireq->sci;
dev_dbg(&ihost->pdev->dev,
"%s: request = %p, status=%d\n",
......@@ -1248,18 +1247,18 @@ isci_task_request_complete(struct isci_host *ihost,
if (tmf->proto == SAS_PROTOCOL_SSP) {
memcpy(&tmf->resp.resp_iu,
&sci_req->ssp.rsp,
&ireq->ssp.rsp,
SSP_RESP_IU_MAX_SIZE);
} else if (tmf->proto == SAS_PROTOCOL_SATA) {
memcpy(&tmf->resp.d2h_fis,
&sci_req->stp.rsp,
&ireq->stp.rsp,
sizeof(struct dev_to_host_fis));
}
/* PRINT_TMF( ((struct isci_tmf *)request->task)); */
tmf_complete = tmf->complete;
scic_controller_complete_io(&ihost->sci, ireq->sci.target_device, &ireq->sci);
scic_controller_complete_io(&ihost->sci, ireq->target_device, ireq);
/* set the 'terminated' flag handle to make sure it cannot be terminated
* or completed again.
*/
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment
GitLab Nexedi Edition | About GitLab | About Nexedi | 沪ICP备2021021310号-2 | 沪ICP备2021021310号-7