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-rw-r--r--drivers/scsi/isci/request.h357
1 files changed, 173 insertions, 184 deletions
diff --git a/drivers/scsi/isci/request.h b/drivers/scsi/isci/request.h
index 31d6d5717473..757cd99ae2ed 100644
--- a/drivers/scsi/isci/request.h
+++ b/drivers/scsi/isci/request.h
@@ -96,37 +96,42 @@ struct scic_sds_stp_request {
96 u32 udma; 96 u32 udma;
97 97
98 struct scic_sds_stp_pio_request { 98 struct scic_sds_stp_pio_request {
99 /** 99 /*
100 * Total transfer for the entire PIO request recorded at request constuction 100 * Total transfer for the entire PIO request recorded
101 * time. 101 * at request constuction time.
102 * 102 *
103 * @todo Should we just decrement this value for each byte of data transitted 103 * @todo Should we just decrement this value for each
104 * or received to elemenate the current_transfer_bytes field? 104 * byte of data transitted or received to elemenate
105 * the current_transfer_bytes field?
105 */ 106 */
106 u32 total_transfer_bytes; 107 u32 total_transfer_bytes;
107 108
108 /** 109 /*
109 * Total number of bytes received/transmitted in data frames since the start 110 * Total number of bytes received/transmitted in data
110 * of the IO request. At the end of the IO request this should equal the 111 * frames since the start of the IO request. At the
112 * end of the IO request this should equal the
111 * total_transfer_bytes. 113 * total_transfer_bytes.
112 */ 114 */
113 u32 current_transfer_bytes; 115 u32 current_transfer_bytes;
114 116
115 /** 117 /*
116 * The number of bytes requested in the in the PIO setup. 118 * The number of bytes requested in the in the PIO
119 * setup.
117 */ 120 */
118 u32 pio_transfer_bytes; 121 u32 pio_transfer_bytes;
119 122
120 /** 123 /*
121 * PIO Setup ending status value to tell us if we need to wait for another FIS 124 * PIO Setup ending status value to tell us if we need
122 * or if the transfer is complete. On the receipt of a D2H FIS this will be 125 * to wait for another FIS or if the transfer is
126 * complete. On the receipt of a D2H FIS this will be
123 * the status field of that FIS. 127 * the status field of that FIS.
124 */ 128 */
125 u8 ending_status; 129 u8 ending_status;
126 130
127 /** 131 /*
128 * On receipt of a D2H FIS this will be the ending error field if the 132 * On receipt of a D2H FIS this will be the ending
129 * ending_status has the SATA_STATUS_ERR bit set. 133 * error field if the ending_status has the
134 * SATA_STATUS_ERR bit set.
130 */ 135 */
131 u8 ending_error; 136 u8 ending_error;
132 137
@@ -138,8 +143,9 @@ struct scic_sds_stp_request {
138 } pio; 143 } pio;
139 144
140 struct { 145 struct {
141 /** 146 /*
142 * The number of bytes requested in the PIO setup before CDB data frame. 147 * The number of bytes requested in the PIO setup
148 * before CDB data frame.
143 */ 149 */
144 u32 device_preferred_cdb_length; 150 u32 device_preferred_cdb_length;
145 } packet; 151 } packet;
@@ -147,57 +153,59 @@ struct scic_sds_stp_request {
147}; 153};
148 154
149struct scic_sds_request { 155struct scic_sds_request {
150 /** 156 /*
151 * This field contains the information for the base request state machine. 157 * This field contains the information for the base request state
158 * machine.
152 */ 159 */
153 struct sci_base_state_machine state_machine; 160 struct sci_base_state_machine sm;
154 161
155 /** 162 /*
156 * This field simply points to the controller to which this IO request 163 * This field simply points to the controller to which this IO request
157 * is associated. 164 * is associated.
158 */ 165 */
159 struct scic_sds_controller *owning_controller; 166 struct scic_sds_controller *owning_controller;
160 167
161 /** 168 /*
162 * This field simply points to the remote device to which this IO request 169 * This field simply points to the remote device to which this IO
163 * is associated. 170 * request is associated.
164 */ 171 */
165 struct scic_sds_remote_device *target_device; 172 struct scic_sds_remote_device *target_device;
166 173
167 /** 174 /*
168 * This field is utilized to determine if the SCI user is managing 175 * This field is utilized to determine if the SCI user is managing
169 * the IO tag for this request or if the core is managing it. 176 * the IO tag for this request or if the core is managing it.
170 */ 177 */
171 bool was_tag_assigned_by_user; 178 bool was_tag_assigned_by_user;
172 179
173 /** 180 /*
174 * This field indicates the IO tag for this request. The IO tag is 181 * This field indicates the IO tag for this request. The IO tag is
175 * comprised of the task_index and a sequence count. The sequence count 182 * comprised of the task_index and a sequence count. The sequence count
176 * is utilized to help identify tasks from one life to another. 183 * is utilized to help identify tasks from one life to another.
177 */ 184 */
178 u16 io_tag; 185 u16 io_tag;
179 186
180 /** 187 /*
181 * This field specifies the protocol being utilized for this 188 * This field specifies the protocol being utilized for this
182 * IO request. 189 * IO request.
183 */ 190 */
184 enum sci_request_protocol protocol; 191 enum sci_request_protocol protocol;
185 192
186 /** 193 /*
187 * This field indicates the completion status taken from the SCUs 194 * This field indicates the completion status taken from the SCUs
188 * completion code. It indicates the completion result for the SCU hardware. 195 * completion code. It indicates the completion result for the SCU
196 * hardware.
189 */ 197 */
190 u32 scu_status; 198 u32 scu_status;
191 199
192 /** 200 /*
193 * This field indicates the completion status returned to the SCI user. It 201 * This field indicates the completion status returned to the SCI user.
194 * indicates the users view of the io request completion. 202 * It indicates the users view of the io request completion.
195 */ 203 */
196 u32 sci_status; 204 u32 sci_status;
197 205
198 /** 206 /*
199 * This field contains the value to be utilized when posting (e.g. Post_TC, 207 * This field contains the value to be utilized when posting
200 * Post_TC_Abort) this request to the silicon. 208 * (e.g. Post_TC, * Post_TC_Abort) this request to the silicon.
201 */ 209 */
202 u32 post_context; 210 u32 post_context;
203 211
@@ -208,26 +216,26 @@ struct scic_sds_request {
208 #define SCU_SGL_SIZE ((SCU_IO_REQUEST_SGE_COUNT + 1) / 2) 216 #define SCU_SGL_SIZE ((SCU_IO_REQUEST_SGE_COUNT + 1) / 2)
209 struct scu_sgl_element_pair sg_table[SCU_SGL_SIZE] __attribute__ ((aligned(32))); 217 struct scu_sgl_element_pair sg_table[SCU_SGL_SIZE] __attribute__ ((aligned(32)));
210 218
211 /** 219 /*
212 * This field indicates if this request is a task management request or 220 * This field indicates if this request is a task management request or
213 * normal IO request. 221 * normal IO request.
214 */ 222 */
215 bool is_task_management_request; 223 bool is_task_management_request;
216 224
217 /** 225 /*
218 * This field is a pointer to the stored rx frame data. It is used in STP 226 * This field is a pointer to the stored rx frame data. It is used in
219 * internal requests and SMP response frames. If this field is non-NULL the 227 * STP internal requests and SMP response frames. If this field is
220 * saved frame must be released on IO request completion. 228 * non-NULL the saved frame must be released on IO request completion.
221 * 229 *
222 * @todo In the future do we want to keep a list of RX frame buffers? 230 * @todo In the future do we want to keep a list of RX frame buffers?
223 */ 231 */
224 u32 saved_rx_frame_index; 232 u32 saved_rx_frame_index;
225 233
226 /** 234 /*
227 * This field in the recorded device sequence for the io request. This is 235 * This field in the recorded device sequence for the io request.
228 * recorded during the build operation and is compared in the start 236 * This is recorded during the build operation and is compared in the
229 * operation. If the sequence is different then there was a change of 237 * start operation. If the sequence is different then there was a
230 * devices from the build to start operations. 238 * change of devices from the build to start operations.
231 */ 239 */
232 u8 device_sequence; 240 u8 device_sequence;
233 241
@@ -286,7 +294,7 @@ struct isci_request {
286 dma_addr_t request_daddr; 294 dma_addr_t request_daddr;
287 dma_addr_t zero_scatter_daddr; 295 dma_addr_t zero_scatter_daddr;
288 296
289 unsigned int num_sg_entries; /* returned by pci_alloc_sg */ 297 unsigned int num_sg_entries; /* returned by pci_alloc_sg */
290 298
291 /** Note: "io_request_completion" is completed in two different ways 299 /** Note: "io_request_completion" is completed in two different ways
292 * depending on whether this is a TMF or regular request. 300 * depending on whether this is a TMF or regular request.
@@ -315,104 +323,105 @@ static inline struct isci_request *sci_req_to_ireq(struct scic_sds_request *sci_
315 * 323 *
316 */ 324 */
317enum sci_base_request_states { 325enum sci_base_request_states {
318 /** 326 /*
319 * Simply the initial state for the base request state machine. 327 * Simply the initial state for the base request state machine.
320 */ 328 */
321 SCI_BASE_REQUEST_STATE_INITIAL, 329 SCI_REQ_INIT,
322 330
323 /** 331 /*
324 * This state indicates that the request has been constructed. This state 332 * This state indicates that the request has been constructed.
325 * is entered from the INITIAL state. 333 * This state is entered from the INITIAL state.
326 */ 334 */
327 SCI_BASE_REQUEST_STATE_CONSTRUCTED, 335 SCI_REQ_CONSTRUCTED,
328 336
329 /** 337 /*
330 * This state indicates that the request has been started. This state is 338 * This state indicates that the request has been started. This state
331 * entered from the CONSTRUCTED state. 339 * is entered from the CONSTRUCTED state.
332 */ 340 */
333 SCI_BASE_REQUEST_STATE_STARTED, 341 SCI_REQ_STARTED,
334 342
335 SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_TC_COMPLETION_SUBSTATE, 343 SCI_REQ_STP_UDMA_WAIT_TC_COMP,
336 SCIC_SDS_STP_REQUEST_STARTED_UDMA_AWAIT_D2H_REG_FIS_SUBSTATE, 344 SCI_REQ_STP_UDMA_WAIT_D2H,
337 345
338 SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_H2D_COMPLETION_SUBSTATE, 346 SCI_REQ_STP_NON_DATA_WAIT_H2D,
339 SCIC_SDS_STP_REQUEST_STARTED_NON_DATA_AWAIT_D2H_SUBSTATE, 347 SCI_REQ_STP_NON_DATA_WAIT_D2H,
340 348
341 SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_ASSERTED_COMPLETION_SUBSTATE, 349 SCI_REQ_STP_SOFT_RESET_WAIT_H2D_ASSERTED,
342 SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_H2D_DIAGNOSTIC_COMPLETION_SUBSTATE, 350 SCI_REQ_STP_SOFT_RESET_WAIT_H2D_DIAG,
343 SCIC_SDS_STP_REQUEST_STARTED_SOFT_RESET_AWAIT_D2H_RESPONSE_FRAME_SUBSTATE, 351 SCI_REQ_STP_SOFT_RESET_WAIT_D2H,
344 352
345 /** 353 /*
346 * While in this state the IO request object is waiting for the TC completion 354 * While in this state the IO request object is waiting for the TC
347 * notification for the H2D Register FIS 355 * completion notification for the H2D Register FIS
348 */ 356 */
349 SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_H2D_COMPLETION_SUBSTATE, 357 SCI_REQ_STP_PIO_WAIT_H2D,
350 358
351 /** 359 /*
352 * While in this state the IO request object is waiting for either a PIO Setup 360 * While in this state the IO request object is waiting for either a
353 * FIS or a D2H register FIS. The type of frame received is based on the 361 * PIO Setup FIS or a D2H register FIS. The type of frame received is
354 * result of the prior frame and line conditions. 362 * based on the result of the prior frame and line conditions.
355 */ 363 */
356 SCIC_SDS_STP_REQUEST_STARTED_PIO_AWAIT_FRAME_SUBSTATE, 364 SCI_REQ_STP_PIO_WAIT_FRAME,
357 365
358 /** 366 /*
359 * While in this state the IO request object is waiting for a DATA frame from 367 * While in this state the IO request object is waiting for a DATA
360 * the device. 368 * frame from the device.
361 */ 369 */
362 SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_IN_AWAIT_DATA_SUBSTATE, 370 SCI_REQ_STP_PIO_DATA_IN,
363 371
364 /** 372 /*
365 * While in this state the IO request object is waiting to transmit the next data 373 * While in this state the IO request object is waiting to transmit
366 * frame to the device. 374 * the next data frame to the device.
367 */ 375 */
368 SCIC_SDS_STP_REQUEST_STARTED_PIO_DATA_OUT_TRANSMIT_DATA_SUBSTATE, 376 SCI_REQ_STP_PIO_DATA_OUT,
369 377
370 /** 378 /*
371 * The AWAIT_TC_COMPLETION sub-state indicates that the started raw 379 * The AWAIT_TC_COMPLETION sub-state indicates that the started raw
372 * task management request is waiting for the transmission of the 380 * task management request is waiting for the transmission of the
373 * initial frame (i.e. command, task, etc.). 381 * initial frame (i.e. command, task, etc.).
374 */ 382 */
375 SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_COMPLETION, 383 SCI_REQ_TASK_WAIT_TC_COMP,
376 384
377 /** 385 /*
378 * This sub-state indicates that the started task management request 386 * This sub-state indicates that the started task management request
379 * is waiting for the reception of an unsolicited frame 387 * is waiting for the reception of an unsolicited frame
380 * (i.e. response IU). 388 * (i.e. response IU).
381 */ 389 */
382 SCIC_SDS_IO_REQUEST_STARTED_TASK_MGMT_SUBSTATE_AWAIT_TC_RESPONSE, 390 SCI_REQ_TASK_WAIT_TC_RESP,
383 391
384 /** 392 /*
385 * This sub-state indicates that the started task management request 393 * This sub-state indicates that the started task management request
386 * is waiting for the reception of an unsolicited frame 394 * is waiting for the reception of an unsolicited frame
387 * (i.e. response IU). 395 * (i.e. response IU).
388 */ 396 */
389 SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_RESPONSE, 397 SCI_REQ_SMP_WAIT_RESP,
390 398
391 /** 399 /*
392 * The AWAIT_TC_COMPLETION sub-state indicates that the started SMP request is 400 * The AWAIT_TC_COMPLETION sub-state indicates that the started SMP
393 * waiting for the transmission of the initial frame (i.e. command, task, etc.). 401 * request is waiting for the transmission of the initial frame
402 * (i.e. command, task, etc.).
394 */ 403 */
395 SCIC_SDS_SMP_REQUEST_STARTED_SUBSTATE_AWAIT_TC_COMPLETION, 404 SCI_REQ_SMP_WAIT_TC_COMP,
396 405
397 /** 406 /*
398 * This state indicates that the request has completed. 407 * This state indicates that the request has completed.
399 * This state is entered from the STARTED state. This state is entered from 408 * This state is entered from the STARTED state. This state is entered
400 * the ABORTING state. 409 * from the ABORTING state.
401 */ 410 */
402 SCI_BASE_REQUEST_STATE_COMPLETED, 411 SCI_REQ_COMPLETED,
403 412
404 /** 413 /*
405 * This state indicates that the request is in the process of being 414 * This state indicates that the request is in the process of being
406 * terminated/aborted. 415 * terminated/aborted.
407 * This state is entered from the CONSTRUCTED state. 416 * This state is entered from the CONSTRUCTED state.
408 * This state is entered from the STARTED state. 417 * This state is entered from the STARTED state.
409 */ 418 */
410 SCI_BASE_REQUEST_STATE_ABORTING, 419 SCI_REQ_ABORTING,
411 420
412 /** 421 /*
413 * Simply the final state for the base request state machine. 422 * Simply the final state for the base request state machine.
414 */ 423 */
415 SCI_BASE_REQUEST_STATE_FINAL, 424 SCI_REQ_FINAL,
416}; 425};
417 426
418/** 427/**
@@ -498,13 +507,18 @@ enum sci_base_request_states {
498 507
499enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req); 508enum sci_status scic_sds_request_start(struct scic_sds_request *sci_req);
500enum sci_status scic_sds_io_request_terminate(struct scic_sds_request *sci_req); 509enum sci_status scic_sds_io_request_terminate(struct scic_sds_request *sci_req);
501enum sci_status scic_sds_io_request_event_handler(struct scic_sds_request *sci_req, 510enum sci_status
502 u32 event_code); 511scic_sds_io_request_event_handler(struct scic_sds_request *sci_req,
503enum sci_status scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req, 512 u32 event_code);
504 u32 frame_index); 513enum sci_status
505enum sci_status scic_sds_task_request_terminate(struct scic_sds_request *sci_req); 514scic_sds_io_request_frame_handler(struct scic_sds_request *sci_req,
506extern enum sci_status scic_sds_request_complete(struct scic_sds_request *sci_req); 515 u32 frame_index);
507extern enum sci_status scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req, u32 code); 516enum sci_status
517scic_sds_task_request_terminate(struct scic_sds_request *sci_req);
518extern enum sci_status
519scic_sds_request_complete(struct scic_sds_request *sci_req);
520extern enum sci_status
521scic_sds_io_request_tc_completion(struct scic_sds_request *sci_req, u32 code);
508 522
509/* XXX open code in caller */ 523/* XXX open code in caller */
510static inline void *scic_request_get_virt_addr(struct scic_sds_request *sci_req, 524static inline void *scic_request_get_virt_addr(struct scic_sds_request *sci_req,
@@ -523,8 +537,8 @@ static inline void *scic_request_get_virt_addr(struct scic_sds_request *sci_req,
523} 537}
524 538
525/* XXX open code in caller */ 539/* XXX open code in caller */
526static inline dma_addr_t scic_io_request_get_dma_addr(struct scic_sds_request *sci_req, 540static inline dma_addr_t
527 void *virt_addr) 541scic_io_request_get_dma_addr(struct scic_sds_request *sci_req, void *virt_addr)
528{ 542{
529 struct isci_request *ireq = sci_req_to_ireq(sci_req); 543 struct isci_request *ireq = sci_req_to_ireq(sci_req);
530 544
@@ -543,9 +557,8 @@ static inline dma_addr_t scic_io_request_get_dma_addr(struct scic_sds_request *s
543 * 557 *
544 * status of the object as a isci_request_status enum. 558 * status of the object as a isci_request_status enum.
545 */ 559 */
546static inline 560static inline enum isci_request_status
547enum isci_request_status isci_request_get_state( 561isci_request_get_state(struct isci_request *isci_request)
548 struct isci_request *isci_request)
549{ 562{
550 BUG_ON(isci_request == NULL); 563 BUG_ON(isci_request == NULL);
551 564
@@ -566,9 +579,9 @@ enum isci_request_status isci_request_get_state(
566 * @status: This Parameter is the new status of the object 579 * @status: This Parameter is the new status of the object
567 * 580 *
568 */ 581 */
569static inline enum isci_request_status isci_request_change_state( 582static inline enum isci_request_status
570 struct isci_request *isci_request, 583isci_request_change_state(struct isci_request *isci_request,
571 enum isci_request_status status) 584 enum isci_request_status status)
572{ 585{
573 enum isci_request_status old_state; 586 enum isci_request_status old_state;
574 unsigned long flags; 587 unsigned long flags;
@@ -597,10 +610,10 @@ static inline enum isci_request_status isci_request_change_state(
597 * 610 *
598 * state previous to any change. 611 * state previous to any change.
599 */ 612 */
600static inline enum isci_request_status isci_request_change_started_to_newstate( 613static inline enum isci_request_status
601 struct isci_request *isci_request, 614isci_request_change_started_to_newstate(struct isci_request *isci_request,
602 struct completion *completion_ptr, 615 struct completion *completion_ptr,
603 enum isci_request_status newstate) 616 enum isci_request_status newstate)
604{ 617{
605 enum isci_request_status old_state; 618 enum isci_request_status old_state;
606 unsigned long flags; 619 unsigned long flags;
@@ -615,6 +628,7 @@ static inline enum isci_request_status isci_request_change_started_to_newstate(
615 isci_request->io_request_completion = completion_ptr; 628 isci_request->io_request_completion = completion_ptr;
616 isci_request->status = newstate; 629 isci_request->status = newstate;
617 } 630 }
631
618 spin_unlock_irqrestore(&isci_request->state_lock, flags); 632 spin_unlock_irqrestore(&isci_request->state_lock, flags);
619 633
620 dev_dbg(&isci_request->isci_host->pdev->dev, 634 dev_dbg(&isci_request->isci_host->pdev->dev,
@@ -635,13 +649,13 @@ static inline enum isci_request_status isci_request_change_started_to_newstate(
635 * 649 *
636 * state previous to any change. 650 * state previous to any change.
637 */ 651 */
638static inline enum isci_request_status isci_request_change_started_to_aborted( 652static inline enum isci_request_status
639 struct isci_request *isci_request, 653isci_request_change_started_to_aborted(struct isci_request *isci_request,
640 struct completion *completion_ptr) 654 struct completion *completion_ptr)
641{ 655{
642 return isci_request_change_started_to_newstate( 656 return isci_request_change_started_to_newstate(isci_request,
643 isci_request, completion_ptr, aborted 657 completion_ptr,
644 ); 658 aborted);
645} 659}
646/** 660/**
647 * isci_request_free() - This function frees the request object. 661 * isci_request_free() - This function frees the request object.
@@ -649,62 +663,33 @@ static inline enum isci_request_status isci_request_change_started_to_aborted(
649 * @isci_request: This parameter points to the isci_request object 663 * @isci_request: This parameter points to the isci_request object
650 * 664 *
651 */ 665 */
652static inline void isci_request_free( 666static inline void isci_request_free(struct isci_host *isci_host,
653 struct isci_host *isci_host, 667 struct isci_request *isci_request)
654 struct isci_request *isci_request)
655{ 668{
656 if (!isci_request) 669 if (!isci_request)
657 return; 670 return;
658 671
659 /* release the dma memory if we fail. */ 672 /* release the dma memory if we fail. */
660 dma_pool_free(isci_host->dma_pool, isci_request, 673 dma_pool_free(isci_host->dma_pool,
674 isci_request,
661 isci_request->request_daddr); 675 isci_request->request_daddr);
662} 676}
663 677
678#define isci_request_access_task(req) ((req)->ttype_ptr.io_task_ptr)
664 679
665/* #define ISCI_REQUEST_VALIDATE_ACCESS 680#define isci_request_access_tmf(req) ((req)->ttype_ptr.tmf_task_ptr)
666 */
667
668#ifdef ISCI_REQUEST_VALIDATE_ACCESS
669
670static inline
671struct sas_task *isci_request_access_task(struct isci_request *isci_request)
672{
673 BUG_ON(isci_request->ttype != io_task);
674 return isci_request->ttype_ptr.io_task_ptr;
675}
676
677static inline
678struct isci_tmf *isci_request_access_tmf(struct isci_request *isci_request)
679{
680 BUG_ON(isci_request->ttype != tmf_task);
681 return isci_request->ttype_ptr.tmf_task_ptr;
682}
683
684#else /* not ISCI_REQUEST_VALIDATE_ACCESS */
685
686#define isci_request_access_task(RequestPtr) \
687 ((RequestPtr)->ttype_ptr.io_task_ptr)
688
689#define isci_request_access_tmf(RequestPtr) \
690 ((RequestPtr)->ttype_ptr.tmf_task_ptr)
691
692#endif /* not ISCI_REQUEST_VALIDATE_ACCESS */
693
694 681
695int isci_request_alloc_tmf( 682int isci_request_alloc_tmf(struct isci_host *isci_host,
696 struct isci_host *isci_host, 683 struct isci_tmf *isci_tmf,
697 struct isci_tmf *isci_tmf, 684 struct isci_request **isci_request,
698 struct isci_request **isci_request, 685 struct isci_remote_device *isci_device,
699 struct isci_remote_device *isci_device, 686 gfp_t gfp_flags);
700 gfp_t gfp_flags);
701 687
702 688
703int isci_request_execute( 689int isci_request_execute(struct isci_host *isci_host,
704 struct isci_host *isci_host, 690 struct sas_task *task,
705 struct sas_task *task, 691 struct isci_request **request,
706 struct isci_request **request, 692 gfp_t gfp_flags);
707 gfp_t gfp_flags);
708 693
709/** 694/**
710 * isci_request_unmap_sgl() - This function unmaps the DMA address of a given 695 * isci_request_unmap_sgl() - This function unmaps the DMA address of a given
@@ -713,9 +698,8 @@ int isci_request_execute(
713 * @*pdev: This Parameter is the pci_device struct for the controller 698 * @*pdev: This Parameter is the pci_device struct for the controller
714 * 699 *
715 */ 700 */
716static inline void isci_request_unmap_sgl( 701static inline void
717 struct isci_request *request, 702isci_request_unmap_sgl(struct isci_request *request, struct pci_dev *pdev)
718 struct pci_dev *pdev)
719{ 703{
720 struct sas_task *task = isci_request_access_task(request); 704 struct sas_task *task = isci_request_access_task(request);
721 705
@@ -758,9 +742,9 @@ static inline void isci_request_unmap_sgl(
758 * 742 *
759 * pointer to the next sge for specified request. 743 * pointer to the next sge for specified request.
760 */ 744 */
761static inline void *isci_request_io_request_get_next_sge( 745static inline void *
762 struct isci_request *request, 746isci_request_io_request_get_next_sge(struct isci_request *request,
763 void *current_sge_address) 747 void *current_sge_address)
764{ 748{
765 struct sas_task *task = isci_request_access_task(request); 749 struct sas_task *task = isci_request_access_task(request);
766 void *ret = NULL; 750 void *ret = NULL;
@@ -791,15 +775,20 @@ static inline void *isci_request_io_request_get_next_sge(
791 return ret; 775 return ret;
792} 776}
793 777
794void isci_terminate_pending_requests(struct isci_host *isci_host, 778void
795 struct isci_remote_device *isci_device, 779isci_terminate_pending_requests(struct isci_host *isci_host,
796 enum isci_request_status new_request_state); 780 struct isci_remote_device *isci_device,
797enum sci_status scic_task_request_construct(struct scic_sds_controller *scic, 781 enum isci_request_status new_request_state);
798 struct scic_sds_remote_device *sci_dev, 782enum sci_status
799 u16 io_tag, 783scic_task_request_construct(struct scic_sds_controller *scic,
800 struct scic_sds_request *sci_req); 784 struct scic_sds_remote_device *sci_dev,
801enum sci_status scic_task_request_construct_ssp(struct scic_sds_request *sci_req); 785 u16 io_tag,
802enum sci_status scic_task_request_construct_sata(struct scic_sds_request *sci_req); 786 struct scic_sds_request *sci_req);
803void scic_stp_io_request_set_ncq_tag(struct scic_sds_request *sci_req, u16 ncq_tag); 787enum sci_status
788scic_task_request_construct_ssp(struct scic_sds_request *sci_req);
789enum sci_status
790scic_task_request_construct_sata(struct scic_sds_request *sci_req);
791void
792scic_stp_io_request_set_ncq_tag(struct scic_sds_request *sci_req, u16 ncq_tag);
804void scic_sds_smp_request_copy_response(struct scic_sds_request *sci_req); 793void scic_sds_smp_request_copy_response(struct scic_sds_request *sci_req);
805#endif /* !defined(_ISCI_REQUEST_H_) */ 794#endif /* !defined(_ISCI_REQUEST_H_) */
generated by cgit v1.2.2 (git 2.25.0) at 2025-02-25 21:00:37 -0500