} SCIC_TRANSPORT_PROTOCOL;
-/**
- * scic_io_request_get_object_size() - This method simply returns the size
- * required to build an SCI based IO request object.
- *
- * Return the size of the SCI IO request object.
- */
-u32 scic_io_request_get_object_size(void);
-
/**
* scic_io_request_construct() - This method is called by the SCI user to
* construct all SCI Core IO requests. Memory initialization and
u32 scic_request_get_controller_status(
struct scic_sds_request *io_request);
-
-
-/**
- * scic_io_request_get_command_iu_address() - This method will return the
- * address to the command information unit.
- * @scic_io_request: This parameter specifies the handle to the io request
- * object to be built.
- *
- * The address of the SSP/SMP command information unit.
- */
-void *scic_io_request_get_command_iu_address(
- struct scic_sds_request *scic_io_request);
-
-/**
- * scic_io_request_get_response_iu_address() - This method will return the
- * address to the response information unit. For an SSP request this buffer
- * is only valid if the IO request is completed with the status
- * SCI_FAILURE_IO_RESPONSE_VALID.
- * @scic_io_request: This parameter specifies the handle to the io request
- * object to be built.
- *
- * The address of the SSP/SMP response information unit.
- */
-void *scic_io_request_get_response_iu_address(
- struct scic_sds_request *scic_io_request);
-
/**
* scic_io_request_get_io_tag() - This method will return the IO tag utilized
* by the IO request.
struct scic_sds_request *scic_io_request,
u16 ncq_tag);
-/**
- * scic_stp_io_request_get_h2d_reg_address() - This method will return the
- * address of the host to device register fis region for the io request
- * object.
- * @scic_io_request: This parameter specifies the handle to the io request
- * object from which to get the host to device register fis buffer.
- *
- * The address of the host to device register fis buffer in the io request
- * object. This function is only valid for SATA requests.
- */
-void *scic_stp_io_request_get_h2d_reg_address(
- struct scic_sds_request *scic_io_request);
-
-/**
- * scic_stp_io_request_get_d2h_reg_address() - This method will return the
- * address of the device to host register fis region for the io request
- * object.
- * @scic_io_request: This parameter specifies teh handle to the io request
- * object from which to get the device to host register fis buffer.
- *
- * The address fo the device to host register fis ending the io request. This
- * function is only valid for SATA requests.
- */
-void *scic_stp_io_request_get_d2h_reg_address(
- struct scic_sds_request *scic_io_request);
-
-
/**
* scic_io_request_get_number_of_bytes_transferred() - This method will return
* the number of bytes transferred from the SCU
#define SCIC_SDS_IO_REQUEST_MINIMUM_TIMER_COUNT (0)
#define SCIC_SDS_IO_REQUEST_MAXIMUM_TIMER_COUNT (0)
-/*
- * ****************************************************************************
- * * SCIC SDS IO REQUEST MACROS
- * **************************************************************************** */
-
-/**
- * scic_ssp_io_request_get_object_size() -
- *
- * This macro returns the sizeof memory required to store the an SSP IO
- * request. This does not include the size of the SGL or SCU Task Context
- * memory.
- */
-#define scic_ssp_io_request_get_object_size() \
- (\
- sizeof(struct ssp_cmd_iu) \
- + SSP_RESP_IU_MAX_SIZE \
- )
-
-/**
- * scic_sds_ssp_request_get_command_buffer() -
- *
- * This macro returns the address of the ssp command buffer in the io request
- * memory
- */
-#define scic_sds_ssp_request_get_command_buffer(memory) \
- ((struct ssp_cmd_iu *)(\
- ((char *)(memory)) + sizeof(struct scic_sds_request) \
- ))
-
-/**
- * scic_sds_ssp_request_get_response_buffer() -
- *
- * This macro returns the address of the ssp response buffer in the io request
- * memory
- */
-#define scic_sds_ssp_request_get_response_buffer(memory) \
- ((struct ssp_response_iu *)(\
- ((char *)(scic_sds_ssp_request_get_command_buffer(memory))) \
- + sizeof(struct ssp_cmd_iu) \
- ))
-
-/**
- * scic_ssp_task_request_get_object_size() -
- *
- * This macro returns the sizeof of memory required to store an SSP Task
- * request. This does not include the size of the SCU Task Context memory.
- */
-#define scic_ssp_task_request_get_object_size() \
- (\
- sizeof(struct ssp_task_iu) \
- + SSP_RESP_IU_MAX_SIZE \
- )
-
-/**
- * scic_sds_ssp_task_request_get_command_buffer() -
- *
- * This macro returns the address of the ssp command buffer in the task request
- * memory. Yes its the same as the above macro except for the name.
- */
-#define scic_sds_ssp_task_request_get_command_buffer(memory) \
- ((struct ssp_task_iu *)(\
- ((char *)(memory)) + sizeof(struct scic_sds_request) \
- ))
-
-/**
- * scic_sds_ssp_task_request_get_response_buffer() -
- *
- * This macro returns the address of the ssp response buffer in the task
- * request memory.
- */
-#define scic_sds_ssp_task_request_get_response_buffer(memory) \
- ((struct ssp_response_iu *)(\
- ((char *)(scic_sds_ssp_task_request_get_command_buffer(memory))) \
- + sizeof(struct ssp_task_iu) \
- ))
-
-/**
- *
- *
- * This method returns the size required to store an SSP IO request object. u32
- */
-static u32 scic_sds_ssp_request_get_object_size(void)
-{
- return sizeof(struct scic_sds_request)
- + scic_ssp_io_request_get_object_size();
-}
-
/**
* This method returns the sgl element pair for the specificed sgl_pair index.
* @sci_req: This parameter specifies the IO request for which to retrieve
}
}
-/**
- * This method build the remainder of the IO request object.
- * @sci_req: This parameter specifies the request object being constructed.
- *
- * The scic_sds_general_request_construct() must be called before this call is
- * valid. none
- */
-static void scic_sds_ssp_io_request_assign_buffers(
- struct scic_sds_request *sci_req)
+static void scic_sds_ssp_io_request_assign_buffers(struct scic_sds_request *sci_req)
{
- sci_req->command_buffer =
- scic_sds_ssp_request_get_command_buffer(sci_req);
- sci_req->response_buffer =
- scic_sds_ssp_request_get_response_buffer(sci_req);
-
if (sci_req->was_tag_assigned_by_user == false)
sci_req->task_context_buffer = &sci_req->tc;
}
struct isci_request *ireq = sci_req->ireq;
struct sas_task *task = isci_request_access_task(ireq);
- cmd_iu = sci_req->command_buffer;
+ cmd_iu = &sci_req->ssp.cmd;
memcpy(cmd_iu->LUN, task->ssp_task.LUN, 8);
cmd_iu->add_cdb_len = 0;
struct sas_task *task = isci_request_access_task(ireq);
struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq);
- task_iu = sci_req->command_buffer;
+ task_iu = &sci_req->ssp.tmf;
memset(task_iu, 0, sizeof(struct ssp_task_iu));
* SCU Task Context
*/
dma_addr = scic_io_request_get_dma_addr(sds_request,
- sds_request->command_buffer);
+ &sds_request->ssp.cmd);
task_context->command_iu_upper = upper_32_bits(dma_addr);
task_context->command_iu_lower = lower_32_bits(dma_addr);
* SCU Task Context
*/
dma_addr = scic_io_request_get_dma_addr(sds_request,
- sds_request->response_buffer);
+ &sds_request->ssp.rsp);
task_context->response_iu_upper = upper_32_bits(dma_addr);
task_context->response_iu_lower = lower_32_bits(dma_addr);
scic_sds_request_build_sgl(sci_req);
}
-
-/**
- * This method will fill in the remainder of the io request object for SSP Task
- * requests.
- * @sci_req:
- *
- */
-static void scic_sds_ssp_task_request_assign_buffers(
- struct scic_sds_request *sci_req)
+static void scic_sds_ssp_task_request_assign_buffers(struct scic_sds_request *sci_req)
{
- /* Assign all of the buffer pointers */
- sci_req->command_buffer =
- scic_sds_ssp_task_request_get_command_buffer(sci_req);
- sci_req->response_buffer =
- scic_sds_ssp_task_request_get_response_buffer(sci_req);
-
if (sci_req->was_tag_assigned_by_user == false)
sci_req->task_context_buffer = &sci_req->tc;
}
return status;
}
-u32 scic_io_request_get_object_size(void)
-{
- u32 ssp_request_size;
- u32 stp_request_size;
- u32 smp_request_size;
-
- ssp_request_size = scic_sds_ssp_request_get_object_size();
- stp_request_size = scic_sds_stp_request_get_object_size();
- smp_request_size = scic_sds_smp_request_get_object_size();
-
- return max(ssp_request_size, max(stp_request_size, smp_request_size));
-}
-
enum sci_status scic_io_request_construct_basic_ssp(
struct scic_sds_request *sci_req)
{
return sci_req->scu_status;
}
-
-void *scic_io_request_get_command_iu_address(
- struct scic_sds_request *sci_req)
-{
- return sci_req->command_buffer;
-}
-
-
-void *scic_io_request_get_response_iu_address(
- struct scic_sds_request *sci_req)
-{
- return sci_req->response_buffer;
-}
-
-
#define SCU_TASK_CONTEXT_SRAM 0x200000
u32 scic_io_request_get_number_of_bytes_transferred(
struct scic_sds_request *scic_sds_request)
struct isci_request *ireq = sci_req->ireq;
struct isci_tmf *isci_tmf = isci_request_access_tmf(ireq);
- ssp_response = sci_req->response_buffer;
+ ssp_response = &sci_req->ssp.rsp;
resp_buf = &isci_tmf->resp.resp_iu;
* truly a failed request or a good request that just got
* completed early.
*/
- struct ssp_response_iu *resp = sci_req->response_buffer;
+ struct ssp_response_iu *resp = &sci_req->ssp.rsp;
ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
- sci_swab32_cpy(sci_req->response_buffer,
- sci_req->response_buffer,
+ sci_swab32_cpy(&sci_req->ssp.rsp,
+ &sci_req->ssp.rsp,
word_cnt);
if (resp->status == 0) {
{
ssize_t word_cnt = SSP_RESP_IU_MAX_SIZE / sizeof(u32);
- sci_swab32_cpy(sci_req->response_buffer,
- sci_req->response_buffer,
+ sci_swab32_cpy(&sci_req->ssp.rsp,
+ &sci_req->ssp.rsp,
word_cnt);
scic_sds_request_set_status(sci_req,
* guaranteed to be received before this completion status is
* posted?
*/
- resp_iu = sci_req->response_buffer;
+ resp_iu = &sci_req->ssp.rsp;
datapres = resp_iu->datapres;
if ((datapres == 0x01) || (datapres == 0x02)) {
frame_index,
(void **)&resp_iu);
- sci_swab32_cpy(sci_req->response_buffer,
+ sci_swab32_cpy(&sci_req->ssp.rsp,
resp_iu, word_cnt);
- resp_iu = sci_req->response_buffer;
+ resp_iu = &sci_req->ssp.rsp;
if ((resp_iu->datapres == 0x01) ||
(resp_iu->datapres == 0x02)) {
else if ((dev->dev_type == SATA_DEV) ||
(dev->tproto & SAS_PROTOCOL_STP)) {
scic_sds_stp_request_assign_buffers(sci_req);
- memset(sci_req->command_buffer,
- 0,
- sizeof(struct host_to_dev_fis));
+ memset(&sci_req->stp.cmd, 0, sizeof(sci_req->stp.cmd));
} else if (dev_is_expander(dev)) {
scic_sds_smp_request_assign_buffers(sci_req);
- memset(sci_req->command_buffer, 0, sizeof(struct smp_req));
+ memset(&sci_req->smp.cmd, 0, sizeof(sci_req->smp.cmd));
} else
status = SCI_FAILURE_UNSUPPORTED_PROTOCOL;
#include "scu_task_context.h"
#include "scic_sds_stp_request.h"
#include "scu_constants.h"
+#include "sas.h"
struct scic_sds_controller;
struct scic_sds_remote_device;
*/
u32 post_context;
- void *command_buffer;
- void *response_buffer;
struct scu_task_context *task_context_buffer;
struct scu_task_context tc ____cacheline_aligned;
*/
u8 device_sequence;
- struct {
- struct scic_sds_stp_request req;
- } stp;
+ union {
+ struct {
+ union {
+ struct ssp_cmd_iu cmd;
+ struct ssp_task_iu tmf;
+ };
+ union {
+ struct ssp_response_iu rsp;
+ u8 rsp_buf[SSP_RESP_IU_MAX_SIZE];
+ };
+ } ssp;
+
+ struct {
+ struct smp_req cmd;
+ struct smp_resp rsp;
+ } smp;
+
+ struct {
+ struct scic_sds_stp_request req;
+ struct host_to_dev_fis cmd;
+ struct dev_to_host_fis rsp;
+ } stp;
+ };
+
};
static inline struct scic_sds_request *to_sci_req(struct scic_sds_stp_request *stp_req)
struct scic_sds_request *sci_req,
struct smp_req *smp_req);
-/**
- *
- *
- * This method return the memory space required for STP PIO requests. u32
- */
-u32 scic_sds_smp_request_get_object_size(void)
-{
- return sizeof(struct scic_sds_request)
- + sizeof(struct smp_req)
- + sizeof(struct smp_resp);
-}
-
-/**
- * scic_sds_smp_request_get_command_buffer() -
- *
- * This macro returns the address of the smp command buffer in the smp request
- * memory. No need to cast to SMP request type.
- */
-#define scic_sds_smp_request_get_command_buffer(memory) \
- (((char *)(memory)) + sizeof(struct scic_sds_request))
-
-/**
- * scic_sds_smp_request_get_response_buffer() -
- *
- * This macro returns the address of the smp response buffer in the smp request
- * memory.
- */
-#define scic_sds_smp_request_get_response_buffer(memory) \
- (((char *)(scic_sds_smp_request_get_command_buffer(memory))) \
- + sizeof(struct smp_req))
-
void scic_sds_smp_request_assign_buffers(struct scic_sds_request *sci_req)
{
- /* Assign all of the buffer pointers */
- sci_req->command_buffer =
- scic_sds_smp_request_get_command_buffer(sci_req);
- sci_req->response_buffer =
- scic_sds_smp_request_get_response_buffer(sci_req);
-
if (sci_req->was_tag_assigned_by_user == false)
sci_req->task_context_buffer = &sci_req->tc;
}
ssize_t word_cnt = sizeof(struct smp_req) / sizeof(u32);
/* byte swap the smp request. */
- sci_swab32_cpy(sci_req->command_buffer, smp_req,
+ sci_swab32_cpy(&sci_req->smp.cmd, smp_req,
word_cnt);
task_context = scic_sds_request_get_task_context(sci_req);
* 18h ~ 30h, protocol specific
* since commandIU has been build by framework at this point, we just
* copy the frist DWord from command IU to this location. */
- memcpy((void *)(&task_context->type.smp),
- sci_req->command_buffer,
- sizeof(u32));
+ memcpy(&task_context->type.smp, &sci_req->smp.cmd, sizeof(u32));
/*
* 40h
* Context command buffer should not contain command header.
*/
dma_addr = scic_io_request_get_dma_addr(sci_req,
- (char *)
- (sci_req->command_buffer) +
+ ((char *) &sci_req->smp.cmd) +
sizeof(u32));
task_context->command_iu_upper = upper_32_bits(dma_addr);
* indicates successful processing of the TC response.
*/
static enum sci_status
-scic_sds_smp_request_await_response_frame_handler(
- struct scic_sds_request *sci_req,
- u32 frame_index)
+scic_sds_smp_request_await_response_frame_handler(struct scic_sds_request *sci_req,
+ u32 frame_index)
{
enum sci_status status;
void *frame_header;
- struct smp_resp *rsp_hdr;
- u8 *usr_smp_buf = sci_req->response_buffer;
+ struct smp_resp *rsp_hdr = &sci_req->smp.rsp;
ssize_t word_cnt = SMP_RESP_HDR_SZ / sizeof(u32);
status = scic_sds_unsolicited_frame_control_get_header(
&frame_header);
/* byte swap the header. */
- sci_swab32_cpy(usr_smp_buf, frame_header, word_cnt);
-
- rsp_hdr = (struct smp_resp *)usr_smp_buf;
+ sci_swab32_cpy(rsp_hdr, frame_header, word_cnt);
if (rsp_hdr->frame_type == SMP_RESPONSE) {
void *smp_resp;
word_cnt = (sizeof(struct smp_req) - SMP_RESP_HDR_SZ) /
sizeof(u32);
- sci_swab32_cpy(usr_smp_buf + SMP_RESP_HDR_SZ,
+ sci_swab32_cpy(((u8 *) rsp_hdr) + SMP_RESP_HDR_SZ,
smp_resp, word_cnt);
scic_sds_request_set_status(
);
/* Construct the SMP SCU Task Context */
- memcpy(smp_req, sci_req->command_buffer, sizeof(*smp_req));
+ memcpy(smp_req, &sci_req->smp.cmd, sizeof(*smp_req));
/*
* Look at the SMP requests' header fields; for certain SAS 1.x SMP
#include "scu_event_codes.h"
#include "scu_task_context.h"
-/**
- * scic_sds_stp_request_get_h2d_reg_buffer() -
- *
- * This macro returns the address of the stp h2d reg fis buffer in the io
- * request memory
- */
-#define scic_sds_stp_request_get_h2d_reg_buffer(memory) \
- ((struct host_to_dev_fis *)(\
- ((char *)(memory)) + sizeof(struct scic_sds_stp_request) \
- ))
-
-/**
- * scic_sds_stp_request_get_response_buffer() -
- *
- * This macro returns the address of the ssp response iu buffer in the io
- * request memory
- */
-#define scic_sds_stp_request_get_response_buffer(memory) \
- ((struct dev_to_host_fis *)(\
- ((char *)(scic_sds_stp_request_get_h2d_reg_buffer(memory))) \
- + sizeof(struct host_to_dev_fis) \
- ))
-
-/**
- *
- *
- * This method return the memory space required for STP PIO requests. u32
- */
-u32 scic_sds_stp_request_get_object_size(void)
-{
- return sizeof(struct scic_sds_stp_request)
- + sizeof(struct host_to_dev_fis)
- + sizeof(struct dev_to_host_fis);
-}
-
void scic_sds_stp_request_assign_buffers(struct scic_sds_request *sci_req)
{
- struct scic_sds_stp_request *stp_req = &sci_req->stp.req;
-
- sci_req->command_buffer = scic_sds_stp_request_get_h2d_reg_buffer(stp_req);
- sci_req->response_buffer = scic_sds_stp_request_get_response_buffer(stp_req);
-
if (sci_req->was_tag_assigned_by_user == false)
sci_req->task_context_buffer = &sci_req->tc;
}
* determine what is common for SSP/SMP/STP task context structures.
*/
static void scu_sata_reqeust_construct_task_context(
- struct scic_sds_request *sds_request,
+ struct scic_sds_request *sci_req,
struct scu_task_context *task_context)
{
dma_addr_t dma_addr;
struct scic_sds_remote_device *target_device;
struct scic_sds_port *target_port;
- controller = scic_sds_request_get_controller(sds_request);
- target_device = scic_sds_request_get_device(sds_request);
- target_port = scic_sds_request_get_port(sds_request);
+ controller = scic_sds_request_get_controller(sci_req);
+ target_device = scic_sds_request_get_device(sci_req);
+ target_port = scic_sds_request_get_port(sci_req);
/* Fill in the TC with the its required data */
task_context->abort = 0;
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(sci_req->target_device);
task_context->command_code = 0;
task_context->link_layer_control = 0;
(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 *)sds_request->command_buffer;
+ task_context->type.words[0] = *(u32 *)&sci_req->stp.cmd;
- if (sds_request->was_tag_assigned_by_user) {
+ if (sci_req->was_tag_assigned_by_user) {
/*
* Build the task context now since we have already read
* the data
*/
- sds_request->post_context =
+ sci_req->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) |
- scic_sds_io_tag_get_index(sds_request->io_tag));
+ scic_sds_io_tag_get_index(sci_req->io_tag));
} else {
/*
* Build the task context now since we have already read
* I/O tag index is not assigned because we have to wait
* until we get a TCi.
*/
- sds_request->post_context =
+ sci_req->post_context =
(SCU_CONTEXT_COMMAND_REQUEST_TYPE_POST_TC |
(scic_sds_controller_get_protocol_engine_group(
controller) <<
* 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(sds_request,
- (char *)sds_request->
- command_buffer +
- sizeof(u32));
+ dma_addr = scic_io_request_get_dma_addr(sci_req,
+ ((char *) &sci_req->stp.cmd) +
+ sizeof(u32));
task_context->command_iu_upper = upper_32_bits(dma_addr);
task_context->command_iu_lower = lower_32_bits(dma_addr);
req->task_context_buffer->type.stp.ncq_tag = ncq_tag;
}
-
-void *scic_stp_io_request_get_h2d_reg_address(
- struct scic_sds_request *req)
-{
- return req->command_buffer;
-}
-
-
-void *scic_stp_io_request_get_d2h_reg_address(struct scic_sds_request *sci_req)
-{
- struct scic_sds_stp_request *stp_req = &sci_req->stp.req;
-
- return &stp_req->d2h_reg_fis;
-}
-
/**
*
* @sci_req:
frame_index,
(void **)&frame_buffer);
- scic_sds_controller_copy_sata_response(&stp_req->d2h_reg_fis,
+ scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
frame_header,
frame_buffer);
/* ending_status: 4th byte in the 3rd dword */
stp_req->type.pio.ending_status = (frame_buffer[2] >> 24) & 0xff;
- scic_sds_controller_copy_sata_response(&stp_req->d2h_reg_fis,
+ scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
frame_header,
frame_buffer);
- stp_req->d2h_reg_fis.status = stp_req->type.pio.ending_status;
+ sci_req->stp.rsp.status = stp_req->type.pio.ending_status;
/* The next state is dependent on whether the
* request was PIO Data-in or Data out
frame_index,
(void **)&frame_buffer);
- scic_sds_controller_copy_sata_response(&stp_req->d2h_reg_fis,
+ scic_sds_controller_copy_sata_response(&sci_req->stp.req,
frame_header,
frame_buffer);
u32 frame_index)
{
struct scic_sds_controller *scic = sci_req->owning_controller;
- struct scic_sds_stp_request *stp_req = &sci_req->stp.req;
struct dev_to_host_fis *frame_header;
enum sci_status status;
u32 *frame_buffer;
frame_index,
(void **)&frame_buffer);
- scic_sds_controller_copy_sata_response(&stp_req->d2h_reg_fis,
+ scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
frame_header,
frame_buffer);
}
struct scic_sds_request *sci_req,
u32 completion_code)
{
- struct scic_sds_stp_request *stp_req = &sci_req->stp.req;
enum sci_status status = SCI_SUCCESS;
switch (SCU_GET_COMPLETION_TL_STATUS(completion_code)) {
/*
* We must check ther response buffer to see if the D2H Register FIS was
* received before we got the TC completion. */
- if (stp_req->d2h_reg_fis.fis_type == FIS_REGD2H) {
+ if (sci_req->stp.rsp.fis_type == FIS_REGD2H) {
scic_sds_remote_device_suspend(sci_req->target_device,
SCU_EVENT_SPECIFIC(SCU_NORMALIZE_COMPLETION_STATUS(completion_code)));
frame_index,
(void **)&frame_buffer);
- scic_sds_controller_copy_sata_response(&stp_req->d2h_reg_fis,
+ scic_sds_controller_copy_sata_response(&sci_req->stp.rsp,
frame_header,
frame_buffer);
enum sci_status status;
/* Clear the SRST bit */
- h2d_fis = scic_stp_io_request_get_h2d_reg_address(sci_req);
+ h2d_fis = &sci_req->stp.cmd;
h2d_fis->control = 0;
/* Clear the TC control bit */
#include <scsi/sas.h>
struct scic_sds_stp_request {
- struct dev_to_host_fis d2h_reg_fis;
-
union {
u32 ncq;
* when trying to convert virtual addresses to physical addresses
*/
isci_host->dma_pool_alloc_size = sizeof(struct isci_request) +
- scic_io_request_get_object_size();
+ sizeof(struct scic_sds_request);
isci_host->dma_pool = dmam_pool_create(DRV_NAME, &isci_host->pdev->dev,
isci_host->dma_pool_alloc_size,
SLAB_HWCACHE_ALIGN, 0);
enum sci_status status = SCI_FAILURE;
struct sas_task *task = isci_request_access_task(ireq);
struct scic_sds_request *sci_req = ireq->sci_request_handle;
- void *cmd_iu = sci_req->command_buffer;
dev_dbg(&ireq->isci_host->pdev->dev,
"%s: request = %p\n", __func__, ireq);
/* copy the smp_command to the address; */
sg_copy_to_buffer(&task->smp_task.smp_req, 1,
- (char *)cmd_iu,
+ &sci_req->smp.cmd,
sizeof(struct smp_req));
status = scic_io_request_construct_smp(sci_req);
task);
if (sas_protocol_ata(task->task_proto)) {
- resp_buf
- = scic_stp_io_request_get_d2h_reg_address(
- request->sci_request_handle
- );
+ resp_buf = &request->sci_request_handle->stp.rsp;
isci_request_process_stp_response(task,
- resp_buf
- );
-
+ resp_buf);
} else if (SAS_PROTOCOL_SSP == task->task_proto) {
/* crack the iu response buffer. */
- resp_iu
- = scic_io_request_get_response_iu_address(
- request->sci_request_handle
- );
-
+ resp_iu = &request->sci_request_handle->ssp.rsp;
isci_request_process_response_iu(task, resp_iu,
- &isci_host->pdev->dev
- );
+ &isci_host->pdev->dev);
} else if (SAS_PROTOCOL_SMP == task->task_proto) {
request->complete_in_target = true;
if (task->task_proto == SAS_PROTOCOL_SMP) {
-
- u8 *command_iu_address
- = scic_io_request_get_command_iu_address(
- request->sci_request_handle
- );
+ void *rsp = &request->sci_request_handle->smp.rsp;
dev_dbg(&isci_host->pdev->dev,
"%s: SMP protocol completion\n",
sg_copy_from_buffer(
&task->smp_task.smp_resp, 1,
- command_iu_address
- + sizeof(struct smp_req),
- sizeof(struct smp_resp));
+ rsp, sizeof(struct smp_resp));
} else if (completion_status
== SCI_IO_SUCCESS_IO_DONE_EARLY) {
*/
struct host_to_dev_fis *isci_sata_task_to_fis_copy(struct sas_task *task)
{
- struct isci_request *request = task->lldd_task;
- struct host_to_dev_fis *register_fis =
- scic_stp_io_request_get_h2d_reg_address(
- request->sci_request_handle
- );
-
- memcpy(
- (u8 *)register_fis,
- (u8 *)&task->ata_task.fis,
- sizeof(struct host_to_dev_fis)
- );
+ struct isci_request *ireq = task->lldd_task;
+ struct host_to_dev_fis *fis = &ireq->sci_request_handle->stp.cmd;
+
+ memcpy(fis, &task->ata_task.fis, sizeof(struct host_to_dev_fis));
if (!task->ata_task.device_control_reg_update)
- register_fis->flags |= 0x80;
+ fis->flags |= 0x80;
- register_fis->flags &= 0xF0;
+ fis->flags &= 0xF0;
- return register_fis;
+ return fis;
}
/**
ts->resp = SAS_TASK_COMPLETE;
}
-enum sci_status isci_sata_management_task_request_build(
- struct isci_request *isci_request)
+enum sci_status isci_sata_management_task_request_build(struct isci_request *ireq)
{
+ struct scic_sds_request *sci_req = ireq->sci_request_handle;
struct isci_tmf *isci_tmf;
enum sci_status status;
- if (tmf_task != isci_request->ttype)
+ if (tmf_task != ireq->ttype)
return SCI_FAILURE;
- isci_tmf = isci_request_access_tmf(isci_request);
+ isci_tmf = isci_request_access_tmf(ireq);
switch (isci_tmf->tmf_code) {
case isci_tmf_sata_srst_high:
- case isci_tmf_sata_srst_low:
- {
- struct host_to_dev_fis *register_fis =
- scic_stp_io_request_get_h2d_reg_address(
- isci_request->sci_request_handle
- );
-
- memset(register_fis, 0, sizeof(*register_fis));
-
- register_fis->fis_type = 0x27;
- register_fis->flags &= ~0x80;
- register_fis->flags &= 0xF0;
+ case isci_tmf_sata_srst_low: {
+ struct host_to_dev_fis *fis = &sci_req->stp.cmd;
+
+ memset(fis, 0, sizeof(*fis));
+
+ fis->fis_type = 0x27;
+ fis->flags &= ~0x80;
+ fis->flags &= 0xF0;
if (isci_tmf->tmf_code == isci_tmf_sata_srst_high)
- register_fis->control |= ATA_SRST;
+ fis->control |= ATA_SRST;
else
- register_fis->control &= ~ATA_SRST;
+ fis->control &= ~ATA_SRST;
break;
}
/* other management commnd go here... */
* based on the h2d fis.
*/
status = scic_task_request_construct_sata(
- isci_request->sci_request_handle
+ ireq->sci_request_handle
);
return status;
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 = &sci_req->stp.req;
dev_dbg(&ihost->pdev->dev,
"%s: request = %p, status=%d\n",
if (tmf->proto == SAS_PROTOCOL_SSP) {
memcpy(&tmf->resp.resp_iu,
- sci_req->response_buffer,
+ &sci_req->ssp.rsp,
SSP_RESP_IU_MAX_SIZE);
} else if (tmf->proto == SAS_PROTOCOL_SATA) {
memcpy(&tmf->resp.d2h_fis,
- &stp_req->d2h_reg_fis,
+ &sci_req->stp.rsp,
sizeof(struct dev_to_host_fis));
}
projects / mirror_ubuntu-eoan-kernel.git / commitdiff