1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause OR GPL-2.0
3 *
4 * This file is provided under a dual BSD/GPLv2 license. When using or
5 * redistributing this file, you may do so under either license.
6 *
7 * GPL LICENSE SUMMARY
8 *
9 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of version 2 of the GNU General Public License as
13 * published by the Free Software Foundation.
14 *
15 * This program is distributed in the hope that it will be useful, but
16 * WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
23 * The full GNU General Public License is included in this distribution
24 * in the file called LICENSE.GPL.
25 *
26 * BSD LICENSE
27 *
28 * Copyright(c) 2008 - 2011 Intel Corporation. All rights reserved.
29 * All rights reserved.
30 *
31 * Redistribution and use in source and binary forms, with or without
32 * modification, are permitted provided that the following conditions
33 * are met:
34 *
35 * * Redistributions of source code must retain the above copyright
36 * notice, this list of conditions and the following disclaimer.
37 * * Redistributions in binary form must reproduce the above copyright
38 * notice, this list of conditions and the following disclaimer in
39 * the documentation and/or other materials provided with the
40 * distribution.
41 *
42 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
43 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
44 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
45 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
46 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
47 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
48 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
49 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
50 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
51 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
52 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
53 */
54
55 #include <sys/cdefs.h>
56 /**
57 * @file
58 *
59 * @brief This file contains the method implementations for the
60 * SCIF_SAS_SMP_IO_REQUEST object. The contents will implement SMP
61 * specific functionality.
62 */
63
64 #include <dev/isci/scil/scif_sas_smp_io_request.h>
65 #include <dev/isci/scil/scif_sas_logger.h>
66 #include <dev/isci/scil/scif_sas_controller.h>
67 #include <dev/isci/scil/sci_controller.h>
68
69 #include <dev/isci/scil/sci_status.h>
70 #include <dev/isci/scil/scic_io_request.h>
71 #include <dev/isci/scil/scic_user_callback.h>
72
73 #include <dev/isci/scil/intel_sas.h>
74
75 /**
76 * @brief This routine is to fill in the space given by core the SMP command
77 * frame. Then it calls core's construction.
78 *
79 * @param[in] fw_io The smp io request to be constructed.
80 * @param[in] smp_command The SMP request filled according to SAS spec.
81 *
82 * @return none
83 */
scif_sas_smp_request_construct(SCIF_SAS_REQUEST_T * fw_request,SMP_REQUEST_T * smp_command)84 void scif_sas_smp_request_construct(
85 SCIF_SAS_REQUEST_T * fw_request,
86 SMP_REQUEST_T * smp_command
87 )
88 {
89 void * command_iu_address =
90 scic_io_request_get_command_iu_address(fw_request->core_object);
91
92 //copy the smp_command to the address;
93 memcpy( (char*) command_iu_address,
94 smp_command,
95 sizeof(SMP_REQUEST_T)
96 );
97
98 scic_io_request_construct_smp(fw_request->core_object);
99
100 fw_request->protocol_complete_handler
101 = NULL;
102 }
103
104 /**
105 * @brief This method will perform all of the construction common to all
106 * SMP requests (e.g. filling in the frame type, zero-out memory,
107 * etc.).
108 *
109 * @param[out] smp_request This parameter specifies the SMP request
110 * structure containing the SMP request to be sent to the
111 * SMP target.
112 * @param[in] smp_function This parameter specifies the SMP function to
113 * sent.
114 * @param[in] smp_response_length This parameter specifies the length of
115 * the response (in DWORDs) that will be returned for this
116 * SMP request.
117 * @param[in] smp_request_length This parameter specifies the length of
118 * the request (in DWORDs) that will be sent.
119 */
120 static
scif_sas_smp_protocol_request_construct(SMP_REQUEST_T * smp_request,U8 smp_function,U8 smp_response_length,U8 smp_request_length)121 void scif_sas_smp_protocol_request_construct(
122 SMP_REQUEST_T * smp_request,
123 U8 smp_function,
124 U8 smp_response_length,
125 U8 smp_request_length
126 )
127 {
128 memset((char*)smp_request, 0, sizeof(SMP_REQUEST_T));
129
130 smp_request->header.smp_frame_type = SMP_FRAME_TYPE_REQUEST;
131 smp_request->header.function = smp_function;
132 smp_request->header.allocated_response_length = smp_response_length;
133 smp_request->header.request_length = smp_request_length;
134 }
135
136
137 /**
138 * @brief This method will allocate the internal IO request object and
139 * construct its contents based upon the supplied SMP request.
140 *
141 * @param[in] fw_controller This parameter specifies the controller object
142 * from which to allocate the internal IO request.
143 * @param[in] fw_device This parameter specifies the remote device for
144 * which the internal IO request is destined.
145 * @param[in] smp_request This parameter specifies the SMP request contents
146 * to be sent to the SMP target.
147 *
148 * @return void * The address of built scif sas smp request.
149 */
150 static
scif_sas_smp_request_build(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device,SMP_REQUEST_T * smp_request,void * external_request_object,void * external_memory)151 void * scif_sas_smp_request_build(
152 SCIF_SAS_CONTROLLER_T * fw_controller,
153 SCIF_SAS_REMOTE_DEVICE_T * fw_device,
154 SMP_REQUEST_T * smp_request,
155 void * external_request_object,
156 void * external_memory
157 )
158 {
159 if (external_memory != NULL && external_request_object != NULL)
160 {
161 scif_sas_io_request_construct_smp(
162 fw_controller,
163 fw_device,
164 external_memory,
165 (char *)external_memory + sizeof(SCIF_SAS_IO_REQUEST_T),
166 SCI_CONTROLLER_INVALID_IO_TAG,
167 smp_request,
168 external_request_object
169 );
170
171 return external_memory;
172 }
173 else
174 {
175 void * internal_io_memory;
176 internal_io_memory = scif_sas_controller_allocate_internal_request(fw_controller);
177 ASSERT(internal_io_memory != NULL);
178
179 if (internal_io_memory != NULL)
180 {
181 //construct, only when we got valid io memory.
182 scif_sas_internal_io_request_construct_smp(
183 fw_controller,
184 fw_device,
185 internal_io_memory,
186 SCI_CONTROLLER_INVALID_IO_TAG,
187 smp_request
188 );
189 }
190 else
191 {
192 SCIF_LOG_ERROR((
193 sci_base_object_get_logger(fw_controller),
194 SCIF_LOG_OBJECT_IO_REQUEST,
195 "scif_sas_smp_request_build, no memory available!\n"
196 ));
197 }
198
199 return internal_io_memory;
200 }
201 }
202
203 /**
204 * @brief construct a smp Report Genernal command to the fw_device.
205 *
206 * @param[in] fw_controller The framework controller object.
207 * @param[in] fw_device the framework device that the REPORT GENERAL command
208 * targets to.
209 *
210 * @return void * address to the built scif sas smp request.
211 */
scif_sas_smp_request_construct_report_general(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device)212 void * scif_sas_smp_request_construct_report_general(
213 SCIF_SAS_CONTROLLER_T * fw_controller,
214 SCIF_SAS_REMOTE_DEVICE_T * fw_device
215 )
216 {
217 SMP_REQUEST_T smp_report_general;
218
219 // Build the REPORT GENERAL request.
220 scif_sas_smp_protocol_request_construct(
221 &smp_report_general,
222 SMP_FUNCTION_REPORT_GENERAL,
223 sizeof(SMP_RESPONSE_REPORT_GENERAL_T) / sizeof(U32),
224 0
225 );
226
227 smp_report_general.request.report_general.crc = 0;
228
229 SCIF_LOG_INFO((
230 sci_base_object_get_logger(fw_device),
231 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
232 "SMP REPORT GENERAL - Device:0x%x\n",
233 fw_device
234 ));
235
236 return scif_sas_smp_request_build(
237 fw_controller, fw_device, &smp_report_general, NULL, NULL);
238 }
239
240 /**
241 * @brief construct a SMP Report Manufacturer Info request to the fw_device.
242 *
243 * @param[in] fw_controller The framework controller object.
244 * @param[in] fw_device the framework device that the REPORT MANUFACTURER
245 * INFO targets to.
246 *
247 * @return void * address to the built scif sas smp request.
248 */
scif_sas_smp_request_construct_report_manufacturer_info(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device)249 void * scif_sas_smp_request_construct_report_manufacturer_info(
250 SCIF_SAS_CONTROLLER_T * fw_controller,
251 SCIF_SAS_REMOTE_DEVICE_T * fw_device
252 )
253 {
254 SMP_REQUEST_T smp_report_manufacturer_info;
255
256 scif_sas_smp_protocol_request_construct(
257 &smp_report_manufacturer_info,
258 SMP_FUNCTION_REPORT_MANUFACTURER_INFORMATION,
259 sizeof(SMP_RESPONSE_REPORT_MANUFACTURER_INFORMATION_T) / sizeof(U32),
260 0
261 );
262
263 smp_report_manufacturer_info.request.report_general.crc = 0;
264
265 SCIF_LOG_INFO((
266 sci_base_object_get_logger(fw_device),
267 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
268 "SMP REPORT MANUFACTURER_INFO - Device:0x%x\n",
269 fw_device
270 ));
271
272 return scif_sas_smp_request_build(
273 fw_controller, fw_device, &smp_report_manufacturer_info, NULL, NULL
274 );
275 }
276
277 /**
278 * @brief construct a smp Discover command to the fw_device.
279 * @param[in] fw_controller The framework controller object.
280 * @param[in] fw_device the framework smp device that DISCOVER command targets
281 * to.
282 * @param[in] phy_identifier The phy index the DISCOVER command targets to.
283 *
284 * @return void * address to the built scif sas smp request.
285 */
scif_sas_smp_request_construct_discover(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device,U8 phy_identifier,void * external_request_object,void * external_memory)286 void * scif_sas_smp_request_construct_discover(
287 SCIF_SAS_CONTROLLER_T * fw_controller,
288 SCIF_SAS_REMOTE_DEVICE_T * fw_device,
289 U8 phy_identifier,
290 void * external_request_object,
291 void * external_memory
292 )
293 {
294 SMP_REQUEST_T smp_discover;
295
296 scif_sas_smp_protocol_request_construct(
297 &smp_discover,
298 SMP_FUNCTION_DISCOVER,
299 sizeof(SMP_RESPONSE_DISCOVER_T) / sizeof(U32),
300 sizeof(SMP_REQUEST_PHY_IDENTIFIER_T) / sizeof(U32)
301 );
302
303 smp_discover.request.discover.phy_identifier = phy_identifier;
304
305 SCIF_LOG_INFO((
306 sci_base_object_get_logger(fw_device),
307 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
308 "SMP DISCOVER - Device:0x%x PhyId:0x%x\n",
309 fw_device, phy_identifier
310 ));
311
312 return scif_sas_smp_request_build(
313 fw_controller, fw_device, &smp_discover,
314 external_request_object, external_memory
315 );
316 }
317
318
319 /**
320 * @brief construct a smp REPORT PHY SATA command to the fw_device.
321 * @param[in] fw_controller The framework controller object.
322 * @param[in] fw_device the framework smp device that DISCOVER command targets
323 * to.
324 * @param[in] phy_identifier The phy index the DISCOVER command targets to.
325 *
326 * @return void * address to the built scif sas smp request.
327 */
scif_sas_smp_request_construct_report_phy_sata(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device,U8 phy_identifier)328 void * scif_sas_smp_request_construct_report_phy_sata(
329 SCIF_SAS_CONTROLLER_T * fw_controller,
330 SCIF_SAS_REMOTE_DEVICE_T * fw_device,
331 U8 phy_identifier
332 )
333 {
334 SMP_REQUEST_T report_phy_sata;
335
336 scif_sas_smp_protocol_request_construct(
337 &report_phy_sata,
338 SMP_FUNCTION_REPORT_PHY_SATA,
339 sizeof(SMP_RESPONSE_REPORT_PHY_SATA_T) / sizeof(U32),
340 sizeof(SMP_REQUEST_PHY_IDENTIFIER_T) / sizeof(U32)
341 );
342
343 report_phy_sata.request.report_phy_sata.phy_identifier = phy_identifier;
344
345 SCIF_LOG_INFO((
346 sci_base_object_get_logger(fw_device),
347 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
348 "SMP REPORT PHY SATA - Device:0x%x PhyId:0x%x\n",
349 fw_device, phy_identifier
350 ));
351
352 return scif_sas_smp_request_build(
353 fw_controller, fw_device, &report_phy_sata, NULL, NULL);
354 }
355
356
357 /**
358 * @brief construct a smp REPORT PHY SATA command to the fw_device.
359 * @param[in] fw_controller The framework controller object.
360 * @param[in] fw_device the framework smp device that PHY CONTROL command
361 * targets to.
362 * @param[in] phy_identifier The phy index the DISCOVER command targets to.
363 *
364 * @return void * address to the built scif sas smp request.
365 */
scif_sas_smp_request_construct_phy_control(SCIF_SAS_CONTROLLER_T * fw_controller,SCIF_SAS_REMOTE_DEVICE_T * fw_device,U8 phy_operation,U8 phy_identifier,void * external_request_object,void * external_memory)366 void * scif_sas_smp_request_construct_phy_control(
367 SCIF_SAS_CONTROLLER_T * fw_controller,
368 SCIF_SAS_REMOTE_DEVICE_T * fw_device,
369 U8 phy_operation,
370 U8 phy_identifier,
371 void * external_request_object,
372 void * external_memory
373 )
374 {
375 SMP_REQUEST_T phy_control;
376
377 scif_sas_smp_protocol_request_construct(
378 &phy_control,
379 SMP_FUNCTION_PHY_CONTROL,
380 0,
381 sizeof(SMP_REQUEST_PHY_CONTROL_T) / sizeof(U32)
382 );
383
384 phy_control.request.phy_control.phy_operation = phy_operation;
385 phy_control.request.phy_control.phy_identifier = phy_identifier;
386
387 return scif_sas_smp_request_build(
388 fw_controller, fw_device, &phy_control,
389 external_request_object, external_memory
390 );
391 }
392
393
394 /**
395 * @brief construct a smp CONFIG ROUTE INFO command to the fw_device.
396 *
397 * @param[in] fw_controller The framework controller object.
398 * @param[in] fw_device the framework smp device that PHY CONTROL command
399 * targets to.
400 * @param[in] phy_id The phy, whose route entry at route_index is to be configured.
401 * @param[in] route_index The index of a phy's route entry that is to be configured.
402 * @param[in] destination_sas_address A sas address for an route table entry
403 *
404 * @return void * address to the built scif sas smp request.
405 */
scif_sas_smp_request_construct_config_route_info(struct SCIF_SAS_CONTROLLER * fw_controller,struct SCIF_SAS_REMOTE_DEVICE * fw_device,U8 phy_id,U16 route_index,SCI_SAS_ADDRESS_T destination_sas_address,BOOL disable_expander_route_entry)406 void * scif_sas_smp_request_construct_config_route_info(
407 struct SCIF_SAS_CONTROLLER * fw_controller,
408 struct SCIF_SAS_REMOTE_DEVICE * fw_device,
409 U8 phy_id,
410 U16 route_index,
411 SCI_SAS_ADDRESS_T destination_sas_address,
412 BOOL disable_expander_route_entry
413 )
414 {
415 SMP_REQUEST_T config_route_info;
416
417 scif_sas_smp_protocol_request_construct(
418 &config_route_info,
419 SMP_FUNCTION_CONFIGURE_ROUTE_INFORMATION,
420 0,
421 sizeof(SMP_REQUEST_CONFIGURE_ROUTE_INFORMATION_T) / sizeof(U32)
422 );
423
424 config_route_info.request.configure_route_information.phy_identifier = phy_id;
425 config_route_info.request.configure_route_information.expander_route_index_high =
426 ((route_index & 0xff00) >> 8);
427 config_route_info.request.configure_route_information.expander_route_index =
428 route_index & 0xff;
429 config_route_info.request.configure_route_information.routed_sas_address[0] =
430 destination_sas_address.high;
431 config_route_info.request.configure_route_information.routed_sas_address[1] =
432 destination_sas_address.low;
433
434 if (disable_expander_route_entry == TRUE)
435 config_route_info.request.configure_route_information.disable_route_entry = 1;
436
437 return scif_sas_smp_request_build(
438 fw_controller, fw_device, &config_route_info,
439 NULL, NULL
440 );
441 }
442
443 /**
444 * @brief This method retry the internal smp request.
445 *
446 * @param[in] fw_device This parameter specifies the remote device for
447 * which the internal IO request is destined.
448 * @param[in] retry_count This parameter specifies how many times the
449 * old smp request has been retried.
450 *
451 * @return none.
452 */
scif_sas_smp_internal_request_retry(SCIF_SAS_REMOTE_DEVICE_T * fw_device)453 SCI_STATUS scif_sas_smp_internal_request_retry(
454 SCIF_SAS_REMOTE_DEVICE_T * fw_device
455 )
456 {
457 SCIF_SAS_CONTROLLER_T * fw_controller;
458 SCIF_SAS_IO_REQUEST_T * new_io;
459 void * new_request_memory = NULL;
460 U8 retry_count = fw_device->protocol_device.smp_device.io_retry_count;
461
462 SCIF_LOG_TRACE((
463 sci_base_object_get_logger(fw_device),
464 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
465 "scif_sas_smp_internal_request_retry(0x%x, 0x%x) time %d!\n",
466 fw_device, retry_count
467 ));
468
469 fw_controller = fw_device->domain->controller;
470
471 switch (fw_device->protocol_device.smp_device.current_smp_request)
472 {
473 case SMP_FUNCTION_REPORT_GENERAL:
474 new_request_memory = scif_sas_smp_request_construct_report_general(
475 fw_controller, fw_device
476 );
477 break;
478
479 case SMP_FUNCTION_DISCOVER:
480 //We are retrying an internal io. So we are going to allocate
481 //a new memory from internal io memory pool.
482 new_request_memory = scif_sas_smp_request_construct_discover(
483 fw_controller, fw_device,
484 fw_device->protocol_device.smp_device.current_activity_phy_index,
485 NULL, NULL
486 );
487
488 break;
489
490 case SMP_FUNCTION_REPORT_PHY_SATA:
491 new_request_memory = scif_sas_smp_request_construct_report_phy_sata(
492 fw_controller, fw_device,
493 fw_device->protocol_device.smp_device.current_activity_phy_index
494 );
495 break;
496
497 default:
498 //unsupported case, TBD
499 break;
500 } //end of switch
501
502 if (new_request_memory != NULL)
503 {
504 //set the retry count to new built smp request.
505 new_io = (SCIF_SAS_IO_REQUEST_T *) new_request_memory;
506 new_io->retry_count = ++retry_count;
507
508 //need to schedule the DPC here.
509 scif_cb_start_internal_io_task_schedule(
510 fw_controller,
511 scif_sas_controller_start_high_priority_io,
512 fw_controller
513 );
514
515 return SCI_SUCCESS;
516 }
517 else
518 return SCI_FAILURE_INSUFFICIENT_RESOURCES;
519
520 }
521
522 /**
523 * @brief This method retry the external smp request.
524 *
525 * @param[in] fw_device This parameter specifies the remote device for
526 * which the internal IO request is destined.
527 * @param[in] old_internal_io This parameter specifies the old smp request to be
528 * retried.
529 *
530 * @return none.
531 */
scif_sas_smp_external_request_retry(SCIF_SAS_IO_REQUEST_T * old_io)532 SCI_STATUS scif_sas_smp_external_request_retry(
533 SCIF_SAS_IO_REQUEST_T * old_io
534 )
535 {
536 SCIF_SAS_REMOTE_DEVICE_T * fw_device = old_io->parent.device;
537 SCIF_SAS_CONTROLLER_T * fw_controller;
538 SCIF_SAS_IO_REQUEST_T * new_io;
539 void * new_request_memory = NULL;
540 U8 retry_count = old_io->retry_count;
541
542 SCIF_LOG_TRACE((
543 sci_base_object_get_logger(fw_device),
544 SCIF_LOG_OBJECT_IO_REQUEST | SCIF_LOG_OBJECT_DOMAIN_DISCOVERY,
545 "scif_sas_smp_external_request_retry(0x%x) time %d!\n",
546 old_io
547 ));
548
549 fw_controller = fw_device->domain->controller;
550
551 // Before we construct new io using the same memory, we need to
552 // remove the IO from the list of outstanding requests on the domain
553 // so that we don't damage the domain's fast list of request.
554 sci_fast_list_remove_element(&old_io->parent.list_element);
555
556 switch (fw_device->protocol_device.smp_device.current_smp_request)
557 {
558 case SMP_FUNCTION_DISCOVER:
559 //we are retrying an external io, we are going to reuse the
560 //old io's memory. new_request_memory is same as old_io.
561 new_request_memory = scif_sas_smp_request_construct_discover(
562 fw_controller, fw_device,
563 fw_device->protocol_device.smp_device.current_activity_phy_index,
564 (void *)sci_object_get_association(old_io),
565 (void *)old_io
566 );
567
568 break;
569
570 case SMP_FUNCTION_PHY_CONTROL:
571 //Phy Control command always uses external io memory.
572 new_request_memory = scif_sas_smp_request_construct_phy_control(
573 fw_controller, fw_device, PHY_OPERATION_HARD_RESET,
574 fw_device->protocol_device.smp_device.current_activity_phy_index,
575 (void *)sci_object_get_association(old_io),
576 (void *)old_io
577 );
578
579 break;
580
581 default:
582 //unsupported case, TBD
583 return SCI_FAILURE;
584 } //end of switch
585
586 //set the retry count to new built smp request.
587 new_io = (SCIF_SAS_IO_REQUEST_T *) new_request_memory;
588 new_io->retry_count = ++retry_count;
589
590 //put into the high priority queue.
591 sci_pool_put(fw_controller->hprq.pool, (POINTER_UINT) new_request_memory);
592
593 //schedule the DPC to start new io.
594 scif_cb_start_internal_io_task_schedule(
595 fw_controller, scif_sas_controller_start_high_priority_io, fw_controller
596 );
597
598 return SCI_SUCCESS;
599 }
600
601