diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/isci/core/scic_io_request.h | 61 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_request.c | 178 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_request.h | 30 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_smp_request.c | 62 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_stp_request.c | 101 | ||||
| -rw-r--r-- | drivers/scsi/isci/core/scic_sds_stp_request.h | 2 | ||||
| -rw-r--r-- | drivers/scsi/isci/host.c | 2 | ||||
| -rw-r--r-- | drivers/scsi/isci/request.c | 31 | ||||
| -rw-r--r-- | drivers/scsi/isci/sata.c | 55 | ||||
| -rw-r--r-- | drivers/scsi/isci/task.c | 5 |
10 files changed, 104 insertions, 423 deletions
diff --git a/drivers/scsi/isci/core/scic_io_request.h b/drivers/scsi/isci/core/scic_io_request.h index 6ddf3801daf8..cb3667decb3c 100644 --- a/drivers/scsi/isci/core/scic_io_request.h +++ b/drivers/scsi/isci/core/scic_io_request.h @@ -104,14 +104,6 @@ typedef enum { /** - * 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 * functionality common to all IO request types is performed in this method. @@ -222,32 +214,6 @@ enum sci_status scic_io_request_construct_smp( 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. @@ -280,33 +246,6 @@ void scic_stp_io_request_set_ncq_tag( 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 * @scic_io_request: This parameter specifies the handle to the io request diff --git a/drivers/scsi/isci/core/scic_sds_request.c b/drivers/scsi/isci/core/scic_sds_request.c index baf69edab699..36c2b310c175 100644 --- a/drivers/scsi/isci/core/scic_sds_request.c +++ b/drivers/scsi/isci/core/scic_sds_request.c @@ -83,93 +83,6 @@ #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 @@ -268,21 +181,8 @@ void scic_sds_request_build_sgl(struct scic_sds_request *sds_request) } } -/** - * 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; } @@ -293,7 +193,7 @@ static void scic_sds_io_request_build_ssp_command_iu(struct scic_sds_request *sc 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; @@ -315,7 +215,7 @@ static void scic_sds_task_request_build_ssp_task_iu(struct scic_sds_request *sci 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)); @@ -411,7 +311,7 @@ static void scu_ssp_reqeust_construct_task_context( * 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); @@ -421,7 +321,7 @@ static void scu_ssp_reqeust_construct_task_context( * 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); @@ -464,22 +364,8 @@ static void scu_ssp_io_request_construct_task_context( 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; } @@ -589,19 +475,6 @@ scic_io_request_construct_sata(struct scic_sds_request *sci_req, 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) { @@ -712,21 +585,6 @@ u32 scic_request_get_controller_status( 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) @@ -885,7 +743,7 @@ void scic_sds_io_request_copy_response(struct scic_sds_request *sci_req) 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; @@ -1053,11 +911,11 @@ scic_sds_request_started_state_tc_completion_handler( * 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) { @@ -1078,8 +936,8 @@ scic_sds_request_started_state_tc_completion_handler( { 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, @@ -1094,7 +952,7 @@ scic_sds_request_started_state_tc_completion_handler( * 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)) { @@ -1222,10 +1080,10 @@ scic_sds_request_started_state_frame_handler(struct scic_sds_request *sci_req, 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)) { @@ -1627,12 +1485,10 @@ scic_io_request_construct(struct scic_sds_controller *scic, 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; diff --git a/drivers/scsi/isci/core/scic_sds_request.h b/drivers/scsi/isci/core/scic_sds_request.h index 8f65814e79c8..3f551eaf3dfa 100644 --- a/drivers/scsi/isci/core/scic_sds_request.h +++ b/drivers/scsi/isci/core/scic_sds_request.h @@ -61,6 +61,7 @@ #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; @@ -181,8 +182,6 @@ struct scic_sds_request { */ u32 post_context; - void *command_buffer; - void *response_buffer; struct scu_task_context *task_context_buffer; struct scu_task_context tc ____cacheline_aligned; @@ -232,9 +231,30 @@ struct scic_sds_request { */ 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) diff --git a/drivers/scsi/isci/core/scic_sds_smp_request.c b/drivers/scsi/isci/core/scic_sds_smp_request.c index 53b1260f44bc..2b911206e8d2 100644 --- a/drivers/scsi/isci/core/scic_sds_smp_request.c +++ b/drivers/scsi/isci/core/scic_sds_smp_request.c @@ -69,45 +69,8 @@ static void scu_smp_request_construct_task_context( 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; } @@ -135,7 +98,7 @@ scu_smp_request_construct_task_context(struct scic_sds_request *sci_req, 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); @@ -185,9 +148,7 @@ scu_smp_request_construct_task_context(struct scic_sds_request *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 @@ -228,8 +189,7 @@ scu_smp_request_construct_task_context(struct scic_sds_request *sci_req, * 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); @@ -255,14 +215,12 @@ scu_smp_request_construct_task_context(struct scic_sds_request *sci_req, * 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( @@ -271,9 +229,7 @@ scic_sds_smp_request_await_response_frame_handler( &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; @@ -286,7 +242,7 @@ scic_sds_smp_request_await_response_frame_handler( 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( @@ -532,7 +488,7 @@ enum sci_status scic_io_request_construct_smp(struct scic_sds_request *sci_req) ); /* 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 diff --git a/drivers/scsi/isci/core/scic_sds_stp_request.c b/drivers/scsi/isci/core/scic_sds_stp_request.c index f21354571ff8..c7a8931a3bcb 100644 --- a/drivers/scsi/isci/core/scic_sds_stp_request.c +++ b/drivers/scsi/isci/core/scic_sds_stp_request.c @@ -70,48 +70,8 @@ #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; } @@ -129,7 +89,7 @@ void scic_sds_stp_request_assign_buffers(struct scic_sds_request *sci_req) * 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; @@ -137,9 +97,9 @@ static void scu_sata_reqeust_construct_task_context( 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; @@ -155,7 +115,7 @@ 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(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; @@ -172,21 +132,21 @@ 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 *)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 @@ -194,7 +154,7 @@ static void scu_sata_reqeust_construct_task_context( * 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) << @@ -208,11 +168,9 @@ static void scu_sata_reqeust_construct_task_context( * 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); @@ -334,21 +292,6 @@ void scic_stp_io_request_set_ncq_tag( 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: @@ -478,7 +421,7 @@ static enum sci_status scic_sds_stp_request_non_data_await_d2h_frame_handler( 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); @@ -830,11 +773,11 @@ static enum sci_status scic_sds_stp_request_pio_await_frame_frame_handler(struct /* 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 @@ -873,7 +816,7 @@ static enum sci_status scic_sds_stp_request_pio_await_frame_frame_handler(struct 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); @@ -1220,7 +1163,6 @@ static enum sci_status scic_sds_stp_request_udma_general_frame_handler(struct sc 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; @@ -1235,7 +1177,7 @@ 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(&stp_req->d2h_reg_fis, + scic_sds_controller_copy_sata_response(&sci_req->stp.rsp, frame_header, frame_buffer); } @@ -1249,7 +1191,6 @@ static enum sci_status scic_sds_stp_request_udma_await_tc_completion_tc_completi 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)) { @@ -1263,7 +1204,7 @@ static enum sci_status scic_sds_stp_request_udma_await_tc_completion_tc_completi /* * 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))); @@ -1523,7 +1464,7 @@ static enum sci_status scic_sds_stp_request_soft_reset_await_d2h_frame_handler( 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); @@ -1595,7 +1536,7 @@ static void scic_sds_stp_request_started_soft_reset_await_h2d_diagnostic_complet 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 */ diff --git a/drivers/scsi/isci/core/scic_sds_stp_request.h b/drivers/scsi/isci/core/scic_sds_stp_request.h index 6d02030b6cd6..f5434f12ad06 100644 --- a/drivers/scsi/isci/core/scic_sds_stp_request.h +++ b/drivers/scsi/isci/core/scic_sds_stp_request.h @@ -60,8 +60,6 @@ #include <scsi/sas.h> struct scic_sds_stp_request { - struct dev_to_host_fis d2h_reg_fis; - union { u32 ncq; diff --git a/drivers/scsi/isci/host.c b/drivers/scsi/isci/host.c index cdd99304c363..4d0ee7bf847b 100644 --- a/drivers/scsi/isci/host.c +++ b/drivers/scsi/isci/host.c @@ -433,7 +433,7 @@ int isci_host_init(struct isci_host *isci_host) * 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); diff --git a/drivers/scsi/isci/request.c b/drivers/scsi/isci/request.c index 9dd971a3fbb2..a5b9b22d3b3a 100644 --- a/drivers/scsi/isci/request.c +++ b/drivers/scsi/isci/request.c @@ -126,7 +126,6 @@ static enum sci_status isci_smp_request_build(struct isci_request *ireq) 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); @@ -138,7 +137,7 @@ static enum sci_status isci_smp_request_build(struct isci_request *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); @@ -998,25 +997,15 @@ void isci_request_io_request_complete( 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) { @@ -1045,11 +1034,7 @@ void isci_request_io_request_complete( 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", @@ -1057,9 +1042,7 @@ void isci_request_io_request_complete( 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) { diff --git a/drivers/scsi/isci/sata.c b/drivers/scsi/isci/sata.c index a08fcf511908..578b1c5d40a9 100644 --- a/drivers/scsi/isci/sata.c +++ b/drivers/scsi/isci/sata.c @@ -71,24 +71,17 @@ */ 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; } /** @@ -161,36 +154,32 @@ void isci_request_process_stp_response(struct sas_task *task, 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... */ @@ -202,7 +191,7 @@ enum sci_status isci_sata_management_task_request_build( * based on the h2d fis. */ status = scic_task_request_construct_sata( - isci_request->sci_request_handle + ireq->sci_request_handle ); return status; diff --git a/drivers/scsi/isci/task.c b/drivers/scsi/isci/task.c index 7d5f79378452..492faeea8b3a 100644 --- a/drivers/scsi/isci/task.c +++ b/drivers/scsi/isci/task.c @@ -1431,7 +1431,6 @@ 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_request_handle; - struct scic_sds_stp_request *stp_req = &sci_req->stp.req; dev_dbg(&ihost->pdev->dev, "%s: request = %p, status=%d\n", @@ -1444,11 +1443,11 @@ isci_task_request_complete(struct isci_host *ihost, 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)); } |