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isci: unify isci_host and scic_sds_controller

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Remove the distinction between these two implementations and unify on
isci_host (local instances named ihost).  Hmmm, we had two
'oem_parameters' instances, one was unused... nice.

Reported-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2011-06-30 17:38:32 -07:00
parent 78a6f06e0e
commit d9dcb4ba79
16 changed files with 806 additions and 985 deletions
Download Patch File Download Diff File Expand all files Collapse all files

76
drivers/scsi/isci/remote_device.c
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@@ -62,7 +62,7 @@
#include "task.h"
/**
* isci_remote_device_not_ready() - This function is called by the scic when
* isci_remote_device_not_ready() - This function is called by the ihost when
* the remote device is not ready. We mark the isci device as ready (not
* "ready_for_io") and signal the waiting proccess.
* @isci_host: This parameter specifies the isci host object.
@@ -92,7 +92,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
"%s: isci_device = %p request = %p\n",
__func__, idev, ireq);
scic_controller_terminate_request(&ihost->sci,
scic_controller_terminate_request(ihost,
idev,
ireq);
}
@@ -104,7 +104,7 @@ static void isci_remote_device_not_ready(struct isci_host *ihost,
}
/**
* isci_remote_device_ready() - This function is called by the scic when the
* isci_remote_device_ready() - This function is called by the ihost when the
* remote device is ready. We mark the isci device as ready and signal the
* waiting proccess.
* @ihost: our valid isci_host
@@ -135,8 +135,7 @@ static void rnc_destruct_done(void *_dev)
static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_remote_device *idev)
{
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = idev->owning_port->owning_controller;
enum sci_status status = SCI_SUCCESS;
u32 i;
@@ -148,7 +147,7 @@ static enum sci_status scic_sds_remote_device_terminate_requests(struct isci_rem
ireq->target_device != idev)
continue;
s = scic_controller_terminate_request(scic, idev, ireq);
s = scic_controller_terminate_request(ihost, idev, ireq);
if (s != SCI_SUCCESS)
status = s;
}
@@ -276,7 +275,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
{
struct sci_base_state_machine *sm = &idev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
enum sci_status status;
switch (state) {
@@ -290,7 +289,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
__func__, state);
/* Return the frame back to the controller */
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
return SCI_FAILURE_INVALID_STATE;
case SCI_DEV_READY:
case SCI_STP_DEV_NCQ_ERROR:
@@ -303,7 +302,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
void *frame_header;
ssize_t word_cnt;
status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
&frame_header);
if (status != SCI_SUCCESS)
@@ -312,7 +311,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
word_cnt = sizeof(hdr) / sizeof(u32);
sci_swab32_cpy(&hdr, frame_header, word_cnt);
ireq = scic_request_by_tag(scic, be16_to_cpu(hdr.tag));
ireq = scic_request_by_tag(ihost, be16_to_cpu(hdr.tag));
if (ireq && ireq->target_device == idev) {
/* The IO request is now in charge of releasing the frame */
status = scic_sds_io_request_frame_handler(ireq, frame_index);
@@ -320,14 +319,14 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
/* We could not map this tag to a valid IO
* request Just toss the frame and continue
*/
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
}
break;
}
case SCI_STP_DEV_NCQ: {
struct dev_to_host_fis *hdr;
status = scic_sds_unsolicited_frame_control_get_header(&scic->uf_control,
status = scic_sds_unsolicited_frame_control_get_header(&ihost->uf_control,
frame_index,
(void **)&hdr);
if (status != SCI_SUCCESS)
@@ -350,7 +349,7 @@ enum sci_status scic_sds_remote_device_frame_handler(struct isci_remote_device *
} else
status = SCI_FAILURE;
scic_sds_controller_release_frame(scic, frame_index);
scic_sds_controller_release_frame(ihost, frame_index);
break;
}
case SCI_STP_DEV_CMD:
@@ -461,7 +460,7 @@ static void scic_sds_remote_device_start_request(struct isci_remote_device *idev
}
}
enum sci_status scic_sds_remote_device_start_io(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_start_io(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
@@ -597,7 +596,7 @@ static enum sci_status common_complete_io(struct isci_port *iport,
return status;
}
enum sci_status scic_sds_remote_device_complete_io(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_complete_io(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
@@ -678,7 +677,7 @@ static void scic_sds_remote_device_continue_request(void *dev)
scic_controller_continue_io(idev->working_request);
}
enum sci_status scic_sds_remote_device_start_task(struct scic_sds_controller *scic,
enum sci_status scic_sds_remote_device_start_task(struct isci_host *ihost,
struct isci_remote_device *idev,
struct isci_request *ireq)
{
@@ -802,13 +801,13 @@ static void remote_device_resume_done(void *_dev)
static void scic_sds_stp_remote_device_ready_idle_substate_resume_complete_handler(void *_dev)
{
struct isci_remote_device *idev = _dev;
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
/* For NCQ operation we do not issue a isci_remote_device_not_ready().
* As a result, avoid sending the ready notification.
*/
if (idev->sm.previous_state_id != SCI_STP_DEV_NCQ)
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_remote_device_initial_state_enter(struct sci_base_state_machine *sm)
@@ -836,7 +835,7 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
{
struct sci_base_state_machine *sm = &idev->sm;
enum scic_sds_remote_device_states state = sm->current_state_id;
struct scic_sds_controller *scic;
struct isci_host *ihost;
if (state != SCI_DEV_STOPPED) {
dev_warn(scirdev_to_dev(idev), "%s: in wrong state: %d\n",
@@ -844,8 +843,8 @@ static enum sci_status scic_remote_device_destruct(struct isci_remote_device *id
return SCI_FAILURE_INVALID_STATE;
}
scic = idev->owning_port->owning_controller;
scic_sds_controller_free_remote_node_context(scic, idev,
ihost = idev->owning_port->owning_controller;
scic_sds_controller_free_remote_node_context(ihost, idev,
idev->rnc.remote_node_index);
idev->rnc.remote_node_index = SCIC_SDS_REMOTE_NODE_CONTEXT_INVALID_INDEX;
sci_change_state(sm, SCI_DEV_FINAL);
@@ -878,7 +877,7 @@ static void isci_remote_device_deconstruct(struct isci_host *ihost, struct isci_
static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
u32 prev_state;
/* If we are entering from the stopping state let the SCI User know that
@@ -886,16 +885,15 @@ static void scic_sds_remote_device_stopped_state_enter(struct sci_base_state_mac
*/
prev_state = idev->sm.previous_state_id;
if (prev_state == SCI_DEV_STOPPING)
isci_remote_device_deconstruct(scic_to_ihost(scic), idev);
isci_remote_device_deconstruct(ihost, idev);
scic_sds_controller_remote_device_stopped(scic, idev);
scic_sds_controller_remote_device_stopped(ihost, idev);
}
static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_to_ihost(scic);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_START_REQUESTED);
@@ -904,7 +902,7 @@ static void scic_sds_remote_device_starting_state_enter(struct sci_base_state_ma
static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
struct domain_device *dev = idev->domain_dev;
if (dev->dev_type == SATA_DEV || (dev->tproto & SAS_PROTOCOL_SATA)) {
@@ -912,7 +910,7 @@ static void scic_sds_remote_device_ready_state_enter(struct sci_base_state_machi
} else if (dev_is_expander(dev)) {
sci_change_state(&idev->sm, SCI_SMP_DEV_IDLE);
} else
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machine *sm)
@@ -921,9 +919,9 @@ static void scic_sds_remote_device_ready_state_exit(struct sci_base_state_machin
struct domain_device *dev = idev->domain_dev;
if (dev->dev_type == SAS_END_DEV) {
struct scic_sds_controller *scic = idev->owning_port->owning_controller;
struct isci_host *ihost = idev->owning_port->owning_controller;
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_STOP_REQUESTED);
}
}
@@ -963,40 +961,40 @@ static void scic_sds_stp_remote_device_ready_idle_substate_enter(struct sci_base
static void scic_sds_stp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
BUG_ON(idev->working_request == NULL);
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_SATA_REQUEST_STARTED);
}
static void scic_sds_stp_remote_device_ready_ncq_error_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
if (idev->not_ready_reason == SCIC_REMOTE_DEVICE_NOT_READY_SATA_SDB_ERROR_FIS_RECEIVED)
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
idev->not_ready_reason);
}
static void scic_sds_smp_remote_device_ready_idle_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
isci_remote_device_ready(scic_to_ihost(scic), idev);
isci_remote_device_ready(ihost, idev);
}
static void scic_sds_smp_remote_device_ready_cmd_substate_enter(struct sci_base_state_machine *sm)
{
struct isci_remote_device *idev = container_of(sm, typeof(*idev), sm);
struct scic_sds_controller *scic = scic_sds_remote_device_get_controller(idev);
struct isci_host *ihost = scic_sds_remote_device_get_controller(idev);
BUG_ON(idev->working_request == NULL);
isci_remote_device_not_ready(scic_to_ihost(scic), idev,
isci_remote_device_not_ready(ihost, idev,
SCIC_REMOTE_DEVICE_NOT_READY_SMP_REQUEST_STARTED);
}
@@ -1303,7 +1301,7 @@ void isci_remote_device_release(struct kref *kref)
* @isci_host: This parameter specifies the isci host object.
* @isci_device: This parameter specifies the remote device.
*
* The status of the scic request to stop.
* The status of the ihost request to stop.
*/
enum sci_status isci_remote_device_stop(struct isci_host *ihost, struct isci_remote_device *idev)
{