#define scic_ssp_io_request_get_object_size() \
(\
sizeof(struct ssp_cmd_iu) \
- + sizeof(struct sci_ssp_response_iu) \
+ + SSP_RESP_IU_MAX_SIZE \
)
/**
* memory
*/
#define scic_sds_ssp_request_get_response_buffer(memory) \
- ((struct sci_ssp_response_iu *)(\
+ ((struct ssp_response_iu *)(\
((char *)(scic_sds_ssp_request_get_command_buffer(memory))) \
+ sizeof(struct ssp_cmd_iu) \
))
#define scic_sds_ssp_request_get_task_context_buffer(memory) \
((struct scu_task_context *)(\
((char *)(scic_sds_ssp_request_get_response_buffer(memory))) \
- + sizeof(struct sci_ssp_response_iu) \
+ + SSP_RESP_IU_MAX_SIZE \
))
/**
#define scic_ssp_task_request_get_object_size() \
(\
sizeof(struct ssp_task_iu) \
- + sizeof(struct sci_ssp_response_iu) \
+ + SSP_RESP_IU_MAX_SIZE \
)
/**
* request memory.
*/
#define scic_sds_ssp_task_request_get_response_buffer(memory) \
- ((struct sci_ssp_response_iu *)(\
+ ((struct ssp_response_iu *)(\
((char *)(scic_sds_ssp_task_request_get_command_buffer(memory))) \
+ sizeof(struct ssp_task_iu) \
))
#define scic_sds_ssp_task_request_get_task_context_buffer(memory) \
((struct scu_task_context *)(\
((char *)(scic_sds_ssp_task_request_get_response_buffer(memory))) \
- + sizeof(struct sci_ssp_response_iu) \
+ + SSP_RESP_IU_MAX_SIZE \
))
return SCI_FAILURE_INVALID_STATE;
}
-/**
- *
- * @sci_req: The SCIC_SDS_IO_REQUEST_T object for which the task start
- * operation is to be executed.
- *
- * This method invokes the core state task complete handler for the
- * SCIC_SDS_IO_REQUEST_T object. enum sci_status
- */
-
/*
- * ****************************************************************************
- * * SCIC SDS PROTECTED METHODS
- * **************************************************************************** */
-
-/**
- * This method copies response data for requests returning response data
+ * This function copies response data for requests returning response data
* instead of sense data.
* @sci_req: This parameter specifies the request object for which to copy
* the response data.
- *
*/
-void scic_sds_io_request_copy_response(struct scic_sds_request *sds_request)
+void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req)
{
- void *response_buffer;
- u32 user_response_length;
- u32 core_response_length;
- struct sci_ssp_response_iu *ssp_response;
- struct isci_request *isci_request = sds_request->ireq;
-
- ssp_response =
- (struct sci_ssp_response_iu *)sds_request->response_buffer;
-
- response_buffer =
- isci_task_ssp_request_get_response_data_address(
- isci_request);
+ void *resp_buf;
+ u32 len;
+ struct ssp_response_iu *ssp_response;
+ struct isci_request *ireq = sci_req->ireq;
+ struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq);
- user_response_length =
- isci_task_ssp_request_get_response_data_length(
- isci_request);
+ ssp_response = sci_req->response_buffer;
- core_response_length = sci_ssp_get_response_data_length(
- ssp_response->response_data_length);
+ resp_buf = &isci_tmf->resp.resp_iu;
- user_response_length = min(user_response_length, core_response_length);
+ len = min_t(u32,
+ SSP_RESP_IU_MAX_SIZE,
+ be32_to_cpu(ssp_response->response_data_len));
- memcpy(response_buffer, ssp_response->data, user_response_length);
+ memcpy(resp_buf, ssp_response->resp_data, len);
}
/*
return SCI_SUCCESS;
}
-/**
+/*
* scic_sds_request_started_state_tc_completion_handler() - This method process
* TC (task context) completions for normal IO request (i.e. Task/Abort
* Completions of type 0). This method will update the
* the SCU.
*
*/
-enum sci_status scic_sds_request_started_state_tc_completion_handler(
- struct scic_sds_request *sci_req,
- u32 completion_code)
+enum sci_status
+scic_sds_request_started_state_tc_completion_handler(
+ struct scic_sds_request *sci_req,
+ u32 completion_code)
{
- u8 data_present;
- struct sci_ssp_response_iu *response_buffer;
+ u8 datapres;
+ struct ssp_response_iu *resp_iu;
- /**
- * @todo Any SDMA return code of other than 0 is bad
+ /*
+ * TODO: Any SDMA return code of other than 0 is bad
* decode 0x003C0000 to determine SDMA status
*/
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, SCI_SUCCESS
- );
+ scic_sds_request_set_status(sci_req,
+ SCU_TASK_DONE_GOOD,
+ SCI_SUCCESS);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_EARLY_RESP):
{
/*
- * There are times when the SCU hardware will return an early response
- * because the io request specified more data than is returned by the
- * target device (mode pages, inquiry data, etc.). We must check the
- * response stats to see if this is truly a failed request or a good
- * request that just got completed early. */
- struct sci_ssp_response_iu *response = (struct sci_ssp_response_iu *)
- sci_req->response_buffer;
+ * There are times when the SCU hardware will return an early
+ * response because the io request specified more data than is
+ * returned by the target device (mode pages, inquiry data,
+ * etc.). We must check the response stats to see if this is
+ * truly a failed request or a good request that just got
+ * completed early.
+ */
+ struct ssp_response_iu *resp = sci_req->response_buffer;
scic_word_copy_with_swap(
sci_req->response_buffer,
sci_req->response_buffer,
- sizeof(struct sci_ssp_response_iu) / sizeof(u32)
- );
+ SSP_RESP_IU_MAX_SIZE / sizeof(u32));
- if (response->status == 0) {
+ if (resp->status == 0) {
scic_sds_request_set_status(
- sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS_IO_DONE_EARLY
- );
+ sci_req,
+ SCU_TASK_DONE_GOOD,
+ SCI_SUCCESS_IO_DONE_EARLY);
} else {
scic_sds_request_set_status(
sci_req,
SCU_TASK_DONE_CHECK_RESPONSE,
- SCI_FAILURE_IO_RESPONSE_VALID
- );
+ SCI_FAILURE_IO_RESPONSE_VALID);
}
}
break;
scic_word_copy_with_swap(
sci_req->response_buffer,
sci_req->response_buffer,
- sizeof(struct sci_ssp_response_iu) / sizeof(u32)
- );
+ SSP_RESP_IU_MAX_SIZE / sizeof(u32));
scic_sds_request_set_status(
sci_req,
SCU_TASK_DONE_CHECK_RESPONSE,
- SCI_FAILURE_IO_RESPONSE_VALID
- );
+ SCI_FAILURE_IO_RESPONSE_VALID);
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_DONE_RESP_LEN_ERR):
/*
- * / @todo With TASK_DONE_RESP_LEN_ERR is the response frame guaranteed
- * / to be received before this completion status is posted? */
- response_buffer =
- (struct sci_ssp_response_iu *)sci_req->response_buffer;
- data_present =
- response_buffer->data_present & SCI_SSP_RESPONSE_IU_DATA_PRESENT_MASK;
-
- if ((data_present == 0x01) || (data_present == 0x02)) {
+ * / @todo With TASK_DONE_RESP_LEN_ERR is the response frame
+ * guaranteed to be received before this completion status is
+ * posted?
+ */
+ resp_iu = sci_req->response_buffer;
+ datapres = resp_iu->datapres;
+
+ if ((datapres == 0x01) || (datapres == 0x02)) {
scic_sds_request_set_status(
sci_req,
SCU_TASK_DONE_CHECK_RESPONSE,
- SCI_FAILURE_IO_RESPONSE_VALID
- );
- } else {
+ SCI_FAILURE_IO_RESPONSE_VALID);
+ } else
scic_sds_request_set_status(
- sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS
- );
- }
+ sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS);
break;
/* only stp device gets suspended. */
if (sci_req->protocol == SCIC_STP_PROTOCOL) {
scic_sds_request_set_status(
sci_req,
- SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT,
- SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED
- );
+ 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,
- SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT,
- SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
- );
+ SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
+ SCU_COMPLETION_TL_STATUS_SHIFT,
+ SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
}
break;
case SCU_MAKE_COMPLETION_STATUS(SCU_TASK_OPEN_REJECT_CONNECTION_RATE_NOT_SUPPORTED):
scic_sds_request_set_status(
sci_req,
- SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT,
- SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED
- );
+ SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
+ SCU_COMPLETION_TL_STATUS_SHIFT,
+ SCI_FAILURE_REMOTE_DEVICE_RESET_REQUIRED);
break;
/* neither ssp nor stp gets suspended. */
default:
scic_sds_request_set_status(
sci_req,
- SCU_GET_COMPLETION_TL_STATUS(completion_code) >> SCU_COMPLETION_TL_STATUS_SHIFT,
- SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
- );
+ SCU_GET_COMPLETION_TL_STATUS(completion_code) >>
+ SCU_COMPLETION_TL_STATUS_SHIFT,
+ SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
break;
}
- /**
- * @todo This is probably wrong for ACK/NAK timeout conditions
+ /*
+ * TODO: This is probably wrong for ACK/NAK timeout conditions
*/
- /* In all cases we will treat this as the completion of the IO request. */
- sci_base_state_machine_change_state(&sci_req->state_machine,
- SCI_BASE_REQUEST_STATE_COMPLETED);
+ /* In all cases we will treat this as the completion of the IO req. */
+ sci_base_state_machine_change_state(
+ &sci_req->state_machine,
+ SCI_BASE_REQUEST_STATE_COMPLETED);
return SCI_SUCCESS;
}
* at completion time. If the frame type is not a response buffer an error is
* logged. enum sci_status SCI_SUCCESS SCI_FAILURE_INVALID_PARAMETER_VALUE
*/
-static enum sci_status scic_sds_request_started_state_frame_handler(
- struct scic_sds_request *sci_req,
- u32 frame_index)
+static enum sci_status
+scic_sds_request_started_state_frame_handler(struct scic_sds_request *sci_req,
+ u32 frame_index)
{
enum sci_status status;
struct sci_ssp_frame_header *frame_header;
- /* / @todo If this is a response frame we must record that we received it */
status = scic_sds_unsolicited_frame_control_get_header(
&(scic_sds_request_get_controller(sci_req)->uf_control),
frame_index,
- (void **)&frame_header
- );
+ (void **)&frame_header);
if (frame_header->frame_type == SCI_SAS_RESPONSE_FRAME) {
- struct sci_ssp_response_iu *response_buffer;
+ struct ssp_response_iu *resp_iu;
status = scic_sds_unsolicited_frame_control_get_buffer(
&(scic_sds_request_get_controller(sci_req)->uf_control),
frame_index,
- (void **)&response_buffer
- );
+ (void **)&resp_iu);
- scic_word_copy_with_swap(
- sci_req->response_buffer,
- (u32 *)response_buffer,
- sizeof(struct sci_ssp_response_iu)
- );
+ scic_word_copy_with_swap(sci_req->response_buffer,
+ (u32 *)resp_iu,
+ SSP_RESP_IU_MAX_SIZE);
- response_buffer = (struct sci_ssp_response_iu *)sci_req->response_buffer;
+ resp_iu = sci_req->response_buffer;
- if ((response_buffer->data_present == 0x01) ||
- (response_buffer->data_present == 0x02)) {
+ if ((resp_iu->datapres == 0x01) ||
+ (resp_iu->datapres == 0x02)) {
scic_sds_request_set_status(
sci_req,
SCU_TASK_DONE_CHECK_RESPONSE,
- SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR
- );
+ SCI_FAILURE_CONTROLLER_SPECIFIC_IO_ERR);
} else
scic_sds_request_set_status(
- sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS
- );
- } else
+ sci_req, SCU_TASK_DONE_GOOD, SCI_SUCCESS);
+ } else {
/* This was not a response frame why did it get forwarded? */
dev_err(scic_to_dev(sci_req->owning_controller),
"%s: SCIC IO Request 0x%p received unexpected "
sci_req,
frame_index,
frame_header->frame_type);
+ }
/*
* In any case we are done with this frame buffer return it to the
- * controller */
+ * controller
+ */
scic_sds_controller_release_frame(
- sci_req->owning_controller, frame_index
- );
+ sci_req->owning_controller, frame_index);
return SCI_SUCCESS;
}
#include <linux/completion.h>
#include <linux/irqflags.h>
+#include "sas.h"
#include "scic_task_request.h"
#include "scic_io_request.h"
#include "remote_device.h"
#include "request.h"
#include "sata.h"
#include "task.h"
-#include "core/scic_sds_request.h"
+#include "scic_sds_stp_request.h"
+
/**
* isci_task_refuse() - complete the request to the upper layer driver in
* the case where an I/O needs to be completed back in the submit path.
return TMF_RESP_FUNC_SUCC;
}
-/**
+/*
* isci_task_request_complete() - This function is called by the sci core when
* an task request completes.
- * @isci_host: This parameter specifies the ISCI host object
- * @request: This parameter is the completed isci_request object.
+ * @ihost: This parameter specifies the ISCI host object
+ * @ireq: This parameter is the completed isci_request object.
* @completion_status: This parameter specifies the completion status from the
* sci core.
*
* none.
*/
-void isci_task_request_complete(
- struct isci_host *isci_host,
- struct isci_request *request,
- enum sci_task_status completion_status)
+void
+isci_task_request_complete(struct isci_host *ihost,
+ struct isci_request *ireq,
+ enum sci_task_status completion_status)
{
- struct isci_remote_device *isci_device = request->isci_device;
+ struct isci_remote_device *idev = ireq->isci_device;
enum isci_request_status old_state;
- struct isci_tmf *tmf = isci_request_access_tmf(request);
+ struct isci_tmf *tmf = isci_request_access_tmf(ireq);
struct completion *tmf_complete;
+ struct scic_sds_request *sci_req = ireq->sci_request_handle;
+ struct scic_sds_stp_request *stp_req =
+ container_of(sci_req, typeof(*stp_req), parent);
- dev_dbg(&isci_host->pdev->dev,
+ dev_dbg(&ihost->pdev->dev,
"%s: request = %p, status=%d\n",
- __func__, request, completion_status);
+ __func__, ireq, completion_status);
- old_state = isci_request_change_state(request, completed);
+ old_state = isci_request_change_state(ireq, completed);
tmf->status = completion_status;
- request->complete_in_target = true;
-
- if (SAS_PROTOCOL_SSP == tmf->proto) {
+ ireq->complete_in_target = true;
+ if (tmf->proto == SAS_PROTOCOL_SSP) {
memcpy(&tmf->resp.resp_iu,
- scic_io_request_get_response_iu_address(
- request->sci_request_handle
- ),
- sizeof(struct sci_ssp_response_iu));
-
- } else if (SAS_PROTOCOL_SATA == tmf->proto) {
-
+ sci_req->response_buffer,
+ SSP_RESP_IU_MAX_SIZE);
+ } else if (tmf->proto == SAS_PROTOCOL_SATA) {
memcpy(&tmf->resp.d2h_fis,
- scic_stp_io_request_get_d2h_reg_address(
- request->sci_request_handle),
+ &stp_req->d2h_reg_fis,
sizeof(struct dev_to_host_fis));
}
/* Manage the timer if it is still running. */
if (tmf->timeout_timer) {
- isci_del_timer(isci_host, tmf->timeout_timer);
+ isci_del_timer(ihost, tmf->timeout_timer);
tmf->timeout_timer = NULL;
}
/* PRINT_TMF( ((struct isci_tmf *)request->task)); */
tmf_complete = tmf->complete;
- scic_controller_complete_io(
- isci_host->core_controller,
- &isci_device->sci,
- request->sci_request_handle);
- /* NULL the request handle to make sure it cannot be terminated
+ scic_controller_complete_io(ihost->core_controller,
+ &idev->sci,
+ ireq->sci_request_handle);
+
+ /*
+ * NULL the request handle to make sure it cannot be terminated
* or completed again.
*/
- request->sci_request_handle = NULL;
+ ireq->sci_request_handle = NULL;
- isci_request_change_state(request, unallocated);
- list_del_init(&request->dev_node);
+ isci_request_change_state(ireq, unallocated);
+ list_del_init(&ireq->dev_node);
/* The task management part completes last. */
complete(tmf_complete);
}
/**
- * isci_task_ssp_request_get_response_data_address() - This function is called
- * by the sci core to retrieve the response data address for a given task
- * request.
- * @request: This parameter is the isci_request object.
- *
- * response data address for specified task request.
- */
-void *isci_task_ssp_request_get_response_data_address(
- struct isci_request *request)
-{
- struct isci_tmf *isci_tmf = isci_request_access_tmf(request);
-
- return &isci_tmf->resp.resp_iu;
-}
-
-/**
- * isci_task_ssp_request_get_response_data_length() - This function is called
- * by the sci core to retrieve the response data length for a given task
- * request.
- * @request: This parameter is the isci_request object.
- *
- * response data length for specified task request.
- */
-u32 isci_task_ssp_request_get_response_data_length(
- struct isci_request *request)
-{
- struct isci_tmf *isci_tmf = isci_request_access_tmf(request);
-
- return sizeof(isci_tmf->resp.resp_iu);
-}
-
-/**
* isci_bus_reset_handler() - This function performs a target reset of the
* device referenced by "cmd'. This function is exported through the
* "struct scsi_host_template" structure such that it is called when an I/O
projects / platform / kernel / linux-amlogic.git / commitdiff