1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2011-2015 LSI Corp.
5 * Copyright (c) 2013-2015 Avago Technologies
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 *
29 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
30 */
31
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
34
35 /* Communications core for Avago Technologies (LSI) MPT2 */
36
37 /* TODO Move headers to mpsvar */
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/selinfo.h>
43 #include <sys/module.h>
44 #include <sys/bus.h>
45 #include <sys/conf.h>
46 #include <sys/bio.h>
47 #include <sys/malloc.h>
48 #include <sys/uio.h>
49 #include <sys/sysctl.h>
50 #include <sys/endian.h>
51 #include <sys/proc.h>
52 #include <sys/queue.h>
53 #include <sys/kthread.h>
54 #include <sys/taskqueue.h>
55 #include <sys/sbuf.h>
56 #include <sys/reboot.h>
57
58 #include <machine/bus.h>
59 #include <machine/resource.h>
60 #include <sys/rman.h>
61
62 #include <machine/stdarg.h>
63
64 #include <cam/cam.h>
65 #include <cam/cam_ccb.h>
66 #include <cam/cam_debug.h>
67 #include <cam/cam_sim.h>
68 #include <cam/cam_xpt_sim.h>
69 #include <cam/cam_xpt_periph.h>
70 #include <cam/cam_periph.h>
71 #include <cam/scsi/scsi_all.h>
72 #include <cam/scsi/scsi_message.h>
73
74 #include <dev/mps/mpi/mpi2_type.h>
75 #include <dev/mps/mpi/mpi2.h>
76 #include <dev/mps/mpi/mpi2_ioc.h>
77 #include <dev/mps/mpi/mpi2_sas.h>
78 #include <dev/mps/mpi/mpi2_cnfg.h>
79 #include <dev/mps/mpi/mpi2_init.h>
80 #include <dev/mps/mpi/mpi2_raid.h>
81 #include <dev/mps/mpi/mpi2_tool.h>
82 #include <dev/mps/mps_ioctl.h>
83 #include <dev/mps/mpsvar.h>
84 #include <dev/mps/mps_table.h>
85 #include <dev/mps/mps_sas.h>
86
87 /* For Hashed SAS Address creation for SATA Drives */
88 #define MPT2SAS_SN_LEN 20
89 #define MPT2SAS_MN_LEN 40
90
91 struct mps_fw_event_work {
92 u16 event;
93 void *event_data;
94 TAILQ_ENTRY(mps_fw_event_work) ev_link;
95 };
96
97 union _sata_sas_address {
98 u8 wwid[8];
99 struct {
100 u32 high;
101 u32 low;
102 } word;
103 };
104
105 /*
106 * define the IDENTIFY DEVICE structure
107 */
108 struct _ata_identify_device_data {
109 u16 reserved1[10]; /* 0-9 */
110 u16 serial_number[10]; /* 10-19 */
111 u16 reserved2[7]; /* 20-26 */
112 u16 model_number[20]; /* 27-46*/
113 u16 reserved3[170]; /* 47-216 */
114 u16 rotational_speed; /* 217 */
115 u16 reserved4[38]; /* 218-255 */
116 };
117 static u32 event_count;
118 static void mpssas_fw_work(struct mps_softc *sc,
119 struct mps_fw_event_work *fw_event);
120 static void mpssas_fw_event_free(struct mps_softc *,
121 struct mps_fw_event_work *);
122 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate);
123 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
125 u32 devinfo);
126 static void mpssas_ata_id_complete(struct mps_softc *, struct mps_command *);
127 static void mpssas_ata_id_timeout(struct mps_softc *, struct mps_command *);
128 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
129 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
130 static int mpssas_volume_add(struct mps_softc *sc,
131 u16 handle);
132 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto);
133 static void mpssas_stop_unit_done(struct cam_periph *periph,
134 union ccb *done_ccb);
135
136 void
137 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
138 MPI2_EVENT_NOTIFICATION_REPLY *event)
139 {
140 struct mps_fw_event_work *fw_event;
141 u16 sz;
142
143 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
144 MPS_DPRINT_EVENT(sc, sas, event);
145 mpssas_record_event(sc, event);
146
147 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2,
148 M_ZERO|M_NOWAIT);
149 if (!fw_event) {
150 printf("%s: allocate failed for fw_event\n", __func__);
151 return;
152 }
153 sz = le16toh(event->EventDataLength) * 4;
154 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT);
155 if (!fw_event->event_data) {
156 printf("%s: allocate failed for event_data\n", __func__);
157 free(fw_event, M_MPT2);
158 return;
159 }
160
161 bcopy(event->EventData, fw_event->event_data, sz);
162 fw_event->event = event->Event;
163 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
164 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
165 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
166 sc->track_mapping_events)
167 sc->pending_map_events++;
168
169 /*
170 * When wait_for_port_enable flag is set, make sure that all the events
171 * are processed. Increment the startup_refcount and decrement it after
172 * events are processed.
173 */
174 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
175 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
176 sc->wait_for_port_enable)
177 mpssas_startup_increment(sc->sassc);
178
179 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
180 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
181
182 }
183
184 static void
185 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
186 {
187
188 free(fw_event->event_data, M_MPT2);
189 free(fw_event, M_MPT2);
190 }
191
192 /**
193 * _mps_fw_work - delayed task for processing firmware events
194 * @sc: per adapter object
195 * @fw_event: The fw_event_work object
196 * Context: user.
197 *
198 * Return nothing.
199 */
200 static void
201 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
202 {
203 struct mpssas_softc *sassc;
204 sassc = sc->sassc;
205
206 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
207 event_count++,__func__,fw_event->event);
208 switch (fw_event->event) {
209 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
210 {
211 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
212 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
213 int i;
214
215 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
216 fw_event->event_data;
217
218 mps_mapping_topology_change_event(sc, fw_event->event_data);
219
220 for (i = 0; i < data->NumEntries; i++) {
221 phy = &data->PHY[i];
222 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
223 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
224 if (mpssas_add_device(sc,
225 le16toh(phy->AttachedDevHandle),
226 phy->LinkRate)){
227 mps_dprint(sc, MPS_ERROR, "%s: "
228 "failed to add device with handle "
229 "0x%x\n", __func__,
230 le16toh(phy->AttachedDevHandle));
231 mpssas_prepare_remove(sassc, le16toh(
232 phy->AttachedDevHandle));
233 }
234 break;
235 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
236 mpssas_prepare_remove(sassc,le16toh(
237 phy->AttachedDevHandle));
238 break;
239 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
240 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
241 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
242 default:
243 break;
244 }
245 }
246 /*
247 * refcount was incremented for this event in
248 * mpssas_evt_handler. Decrement it here because the event has
249 * been processed.
250 */
251 mpssas_startup_decrement(sassc);
252 break;
253 }
254 case MPI2_EVENT_SAS_DISCOVERY:
255 {
256 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
257
258 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
259
260 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
261 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n");
262 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
263 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n");
264 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
265 mpssas_discovery_end(sassc);
266 }
267 break;
268 }
269 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
270 {
271 mps_mapping_enclosure_dev_status_change_event(sc,
272 fw_event->event_data);
273 break;
274 }
275 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
276 {
277 Mpi2EventIrConfigElement_t *element;
278 int i;
279 u8 foreign_config;
280 Mpi2EventDataIrConfigChangeList_t *event_data;
281 struct mpssas_target *targ;
282 unsigned int id;
283
284 event_data = fw_event->event_data;
285 foreign_config = (le32toh(event_data->Flags) &
286 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
287
288 element =
289 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
290 id = mps_mapping_get_raid_tid_from_handle(sc,
291 element->VolDevHandle);
292
293 mps_mapping_ir_config_change_event(sc, event_data);
294
295 for (i = 0; i < event_data->NumElements; i++, element++) {
296 switch (element->ReasonCode) {
297 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
298 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
299 if (!foreign_config) {
300 if (mpssas_volume_add(sc,
301 le16toh(element->VolDevHandle))){
302 printf("%s: failed to add RAID "
303 "volume with handle 0x%x\n",
304 __func__, le16toh(element->
305 VolDevHandle));
306 }
307 }
308 break;
309 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
310 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
311 /*
312 * Rescan after volume is deleted or removed.
313 */
314 if (!foreign_config) {
315 if (id == MPS_MAP_BAD_ID) {
316 printf("%s: could not get ID "
317 "for volume with handle "
318 "0x%04x\n", __func__,
319 le16toh(element->VolDevHandle));
320 break;
321 }
322
323 targ = &sassc->targets[id];
324 targ->handle = 0x0;
325 targ->encl_slot = 0x0;
326 targ->encl_handle = 0x0;
327 targ->exp_dev_handle = 0x0;
328 targ->phy_num = 0x0;
329 targ->linkrate = 0x0;
330 mpssas_rescan_target(sc, targ);
331 printf("RAID target id 0x%x removed\n",
332 targ->tid);
333 }
334 break;
335 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
336 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
337 /*
338 * Phys Disk of a volume has been created. Hide
339 * it from the OS.
340 */
341 targ = mpssas_find_target_by_handle(sassc, 0,
342 element->PhysDiskDevHandle);
343 if (targ == NULL)
344 break;
345
346 /*
347 * Set raid component flags only if it is not
348 * WD. OR WrapDrive with
349 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in
350 * NVRAM
351 */
352 if((!sc->WD_available) ||
353 ((sc->WD_available &&
354 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
355 (sc->WD_valid_config && (sc->WD_hide_expose ==
356 MPS_WD_HIDE_IF_VOLUME)))) {
357 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
358 }
359 mpssas_rescan_target(sc, targ);
360
361 break;
362 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
363 /*
364 * Phys Disk of a volume has been deleted.
365 * Expose it to the OS.
366 */
367 if (mpssas_add_device(sc,
368 le16toh(element->PhysDiskDevHandle), 0)){
369 printf("%s: failed to add device with "
370 "handle 0x%x\n", __func__,
371 le16toh(element->PhysDiskDevHandle));
372 mpssas_prepare_remove(sassc, le16toh(element->
373 PhysDiskDevHandle));
374 }
375 break;
376 }
377 }
378 /*
379 * refcount was incremented for this event in
380 * mpssas_evt_handler. Decrement it here because the event has
381 * been processed.
382 */
383 mpssas_startup_decrement(sassc);
384 break;
385 }
386 case MPI2_EVENT_IR_VOLUME:
387 {
388 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
389
390 /*
391 * Informational only.
392 */
393 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n");
394 switch (event_data->ReasonCode) {
395 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
396 mps_dprint(sc, MPS_EVENT, " Volume Settings "
397 "changed from 0x%x to 0x%x for Volome with "
398 "handle 0x%x", le32toh(event_data->PreviousValue),
399 le32toh(event_data->NewValue),
400 le16toh(event_data->VolDevHandle));
401 break;
402 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
403 mps_dprint(sc, MPS_EVENT, " Volume Status "
404 "changed from 0x%x to 0x%x for Volome with "
405 "handle 0x%x", le32toh(event_data->PreviousValue),
406 le32toh(event_data->NewValue),
407 le16toh(event_data->VolDevHandle));
408 break;
409 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
410 mps_dprint(sc, MPS_EVENT, " Volume State "
411 "changed from 0x%x to 0x%x for Volome with "
412 "handle 0x%x", le32toh(event_data->PreviousValue),
413 le32toh(event_data->NewValue),
414 le16toh(event_data->VolDevHandle));
415 u32 state;
416 struct mpssas_target *targ;
417 state = le32toh(event_data->NewValue);
418 switch (state) {
419 case MPI2_RAID_VOL_STATE_MISSING:
420 case MPI2_RAID_VOL_STATE_FAILED:
421 mpssas_prepare_volume_remove(sassc, event_data->
422 VolDevHandle);
423 break;
424
425 case MPI2_RAID_VOL_STATE_ONLINE:
426 case MPI2_RAID_VOL_STATE_DEGRADED:
427 case MPI2_RAID_VOL_STATE_OPTIMAL:
428 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle);
429 if (targ) {
430 printf("%s %d: Volume handle 0x%x is already added \n",
431 __func__, __LINE__ , event_data->VolDevHandle);
432 break;
433 }
434 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) {
435 printf("%s: failed to add RAID "
436 "volume with handle 0x%x\n",
437 __func__, le16toh(event_data->
438 VolDevHandle));
439 }
440 break;
441 default:
442 break;
443 }
444 break;
445 default:
446 break;
447 }
448 break;
449 }
450 case MPI2_EVENT_IR_PHYSICAL_DISK:
451 {
452 Mpi2EventDataIrPhysicalDisk_t *event_data =
453 fw_event->event_data;
454 struct mpssas_target *targ;
455
456 /*
457 * Informational only.
458 */
459 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n");
460 switch (event_data->ReasonCode) {
461 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
462 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings "
463 "changed from 0x%x to 0x%x for Phys Disk Number "
464 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
465 "%d", le32toh(event_data->PreviousValue),
466 le32toh(event_data->NewValue),
467 event_data->PhysDiskNum,
468 le16toh(event_data->PhysDiskDevHandle),
469 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
470 break;
471 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
472 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed "
473 "from 0x%x to 0x%x for Phys Disk Number %d and "
474 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
475 le32toh(event_data->PreviousValue),
476 le32toh(event_data->NewValue), event_data->PhysDiskNum,
477 le16toh(event_data->PhysDiskDevHandle),
478 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
479 break;
480 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
481 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed "
482 "from 0x%x to 0x%x for Phys Disk Number %d and "
483 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
484 le32toh(event_data->PreviousValue),
485 le32toh(event_data->NewValue), event_data->PhysDiskNum,
486 le16toh(event_data->PhysDiskDevHandle),
487 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
488 switch (event_data->NewValue) {
489 case MPI2_RAID_PD_STATE_ONLINE:
490 case MPI2_RAID_PD_STATE_DEGRADED:
491 case MPI2_RAID_PD_STATE_REBUILDING:
492 case MPI2_RAID_PD_STATE_OPTIMAL:
493 case MPI2_RAID_PD_STATE_HOT_SPARE:
494 targ = mpssas_find_target_by_handle(sassc, 0,
495 event_data->PhysDiskDevHandle);
496 if (targ) {
497 if(!sc->WD_available) {
498 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
499 printf("%s %d: Found Target for handle 0x%x. \n",
500 __func__, __LINE__ , event_data->PhysDiskDevHandle);
501 } else if ((sc->WD_available &&
502 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
503 (sc->WD_valid_config && (sc->WD_hide_expose ==
504 MPS_WD_HIDE_IF_VOLUME))) {
505 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
506 printf("%s %d: WD: Found Target for handle 0x%x. \n",
507 __func__, __LINE__ , event_data->PhysDiskDevHandle);
508 }
509 }
510 break;
511 case MPI2_RAID_PD_STATE_OFFLINE:
512 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
513 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
514 default:
515 targ = mpssas_find_target_by_handle(sassc, 0,
516 event_data->PhysDiskDevHandle);
517 if (targ) {
518 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT;
519 printf("%s %d: Found Target for handle 0x%x. \n",
520 __func__, __LINE__ , event_data->PhysDiskDevHandle);
521 }
522 break;
523 }
524 default:
525 break;
526 }
527 break;
528 }
529 case MPI2_EVENT_IR_OPERATION_STATUS:
530 {
531 Mpi2EventDataIrOperationStatus_t *event_data =
532 fw_event->event_data;
533
534 /*
535 * Informational only.
536 */
537 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n");
538 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d "
539 "percent complete for Volume with handle 0x%x",
540 event_data->RAIDOperation, event_data->PercentComplete,
541 le16toh(event_data->VolDevHandle));
542 break;
543 }
544 case MPI2_EVENT_LOG_ENTRY_ADDED:
545 {
546 pMpi2EventDataLogEntryAdded_t logEntry;
547 uint16_t logQualifier;
548 uint8_t logCode;
549
550 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data;
551 logQualifier = logEntry->LogEntryQualifier;
552
553 if (logQualifier == MPI2_WD_LOG_ENTRY) {
554 logCode = logEntry->LogData[0];
555
556 switch (logCode) {
557 case MPI2_WD_SSD_THROTTLING:
558 printf("WarpDrive Warning: IO Throttling has "
559 "occurred in the WarpDrive subsystem. "
560 "Check WarpDrive documentation for "
561 "additional details\n");
562 break;
563 case MPI2_WD_DRIVE_LIFE_WARN:
564 printf("WarpDrive Warning: Program/Erase "
565 "Cycles for the WarpDrive subsystem in "
566 "degraded range. Check WarpDrive "
567 "documentation for additional details\n");
568 break;
569 case MPI2_WD_DRIVE_LIFE_DEAD:
570 printf("WarpDrive Fatal Error: There are no "
571 "Program/Erase Cycles for the WarpDrive "
572 "subsystem. The storage device will be in "
573 "read-only mode. Check WarpDrive "
574 "documentation for additional details\n");
575 break;
576 case MPI2_WD_RAIL_MON_FAIL:
577 printf("WarpDrive Fatal Error: The Backup Rail "
578 "Monitor has failed on the WarpDrive "
579 "subsystem. Check WarpDrive documentation "
580 "for additional details\n");
581 break;
582 default:
583 break;
584 }
585 }
586 break;
587 }
588 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
589 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
590 default:
591 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n",
592 fw_event->event);
593 break;
594 }
595 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event);
596 mpssas_fw_event_free(sc, fw_event);
597 }
598
599 void
600 mpssas_firmware_event_work(void *arg, int pending)
601 {
602 struct mps_fw_event_work *fw_event;
603 struct mps_softc *sc;
604
605 sc = (struct mps_softc *)arg;
606 mps_lock(sc);
607 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
608 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
609 mpssas_fw_work(sc, fw_event);
610 }
611 mps_unlock(sc);
612 }
613
614 static int
615 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){
616 char devstring[80];
617 struct mpssas_softc *sassc;
618 struct mpssas_target *targ;
619 Mpi2ConfigReply_t mpi_reply;
620 Mpi2SasDevicePage0_t config_page;
621 uint64_t sas_address;
622 uint64_t parent_sas_address = 0;
623 u32 device_info, parent_devinfo = 0;
624 unsigned int id;
625 int ret = 1, error = 0, i;
626 struct mpssas_lun *lun;
627 u8 is_SATA_SSD = 0;
628 struct mps_command *cm;
629
630 sassc = sc->sassc;
631 mpssas_startup_increment(sassc);
632 if (mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
633 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
634 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT,
635 "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
636 handle, mpi_reply.IOCStatus);
637 error = ENXIO;
638 goto out;
639 }
640
641 device_info = le32toh(config_page.DeviceInfo);
642
643 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
644 && (le16toh(config_page.ParentDevHandle) != 0)) {
645 Mpi2ConfigReply_t tmp_mpi_reply;
646 Mpi2SasDevicePage0_t parent_config_page;
647
648 if (mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
649 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
650 le16toh(config_page.ParentDevHandle)) != 0) {
651 mps_dprint(sc, MPS_MAPPING|MPS_FAULT,
652 "Error reading parent SAS device %#x page0, "
653 "iocstatus= 0x%x\n",
654 le16toh(config_page.ParentDevHandle),
655 tmp_mpi_reply.IOCStatus);
656 } else {
657 parent_sas_address = parent_config_page.SASAddress.High;
658 parent_sas_address = (parent_sas_address << 32) |
659 parent_config_page.SASAddress.Low;
660 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
661 }
662 }
663 /* TODO Check proper endianness */
664 sas_address = config_page.SASAddress.High;
665 sas_address = (sas_address << 32) | config_page.SASAddress.Low;
666 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address from SAS device "
667 "page0 = %jx\n", handle, sas_address);
668
669 /*
670 * Always get SATA Identify information because this is used to
671 * determine if Start/Stop Unit should be sent to the drive when the
672 * system is shutdown.
673 */
674 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
675 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address,
676 handle, device_info, &is_SATA_SSD);
677 if (ret) {
678 mps_dprint(sc, MPS_MAPPING|MPS_ERROR,
679 "%s: failed to get disk type (SSD or HDD) for SATA "
680 "device with handle 0x%04x\n",
681 __func__, handle);
682 } else {
683 mps_dprint(sc, MPS_MAPPING, "Handle 0x%04x SAS Address "
684 "from SATA device = %jx\n", handle, sas_address);
685 }
686 }
687
688 /*
689 * use_phynum:
690 * 1 - use the PhyNum field as a fallback to the mapping logic
691 * 0 - never use the PhyNum field
692 * -1 - only use the PhyNum field
693 *
694 * Note that using the Phy number to map a device can cause device adds
695 * to fail if multiple enclosures/expanders are in the topology. For
696 * example, if two devices are in the same slot number in two different
697 * enclosures within the topology, only one of those devices will be
698 * added. PhyNum mapping should not be used if multiple enclosures are
699 * in the topology.
700 */
701 id = MPS_MAP_BAD_ID;
702 if (sc->use_phynum != -1)
703 id = mps_mapping_get_tid(sc, sas_address, handle);
704 if (id == MPS_MAP_BAD_ID) {
705 if ((sc->use_phynum == 0)
706 || ((id = config_page.PhyNum) > sassc->maxtargets)) {
707 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! "
708 "Could not get ID for device with handle 0x%04x\n",
709 __FILE__, __LINE__, __func__, handle);
710 error = ENXIO;
711 goto out;
712 }
713 }
714 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n",
715 __func__, id);
716
717 /*
718 * Only do the ID check and reuse check if the target is not from a
719 * RAID Component. For Physical Disks of a Volume, the ID will be reused
720 * when a volume is deleted because the mapping entry for the PD will
721 * still be in the mapping table. The ID check should not be done here
722 * either since this PD is already being used.
723 */
724 targ = &sassc->targets[id];
725 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) {
726 if (mpssas_check_id(sassc, id) != 0) {
727 mps_dprint(sc, MPS_MAPPING|MPS_INFO,
728 "Excluding target id %d\n", id);
729 error = ENXIO;
730 goto out;
731 }
732
733 if (targ->handle != 0x0) {
734 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse "
735 "target id %d handle 0x%04x\n", id, targ->handle);
736 error = ENXIO;
737 goto out;
738 }
739 }
740
741 targ->devinfo = device_info;
742 targ->devname = le32toh(config_page.DeviceName.High);
743 targ->devname = (targ->devname << 32) |
744 le32toh(config_page.DeviceName.Low);
745 targ->encl_handle = le16toh(config_page.EnclosureHandle);
746 targ->encl_slot = le16toh(config_page.Slot);
747 targ->handle = handle;
748 targ->parent_handle = le16toh(config_page.ParentDevHandle);
749 targ->sasaddr = mps_to_u64(&config_page.SASAddress);
750 targ->parent_sasaddr = le64toh(parent_sas_address);
751 targ->parent_devinfo = parent_devinfo;
752 targ->tid = id;
753 targ->linkrate = (linkrate>>4);
754 targ->flags = 0;
755 if (is_SATA_SSD) {
756 targ->flags = MPS_TARGET_IS_SATA_SSD;
757 }
758 TAILQ_INIT(&targ->commands);
759 TAILQ_INIT(&targ->timedout_commands);
760 while(!SLIST_EMPTY(&targ->luns)) {
761 lun = SLIST_FIRST(&targ->luns);
762 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
763 free(lun, M_MPT2);
764 }
765 SLIST_INIT(&targ->luns);
766
767 mps_describe_devinfo(targ->devinfo, devstring, 80);
768 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n",
769 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate),
770 targ->handle, targ->encl_handle, targ->encl_slot);
771
772 mpssas_rescan_target(sc, targ);
773 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid);
774
775 /*
776 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
777 * If so, send a Target Reset TM to the target that was just created.
778 * An Abort Task TM should be used instead of a Target Reset, but that
779 * would be much more difficult because targets have not been fully
780 * discovered yet, and LUN's haven't been setup. So, just reset the
781 * target instead of the LUN. The commands should complete once the
782 * target has been reset.
783 */
784 for (i = 1; i < sc->num_reqs; i++) {
785 cm = &sc->commands[i];
786 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
787 targ->timeouts++;
788 cm->cm_flags |= MPS_CM_FLAGS_TIMEDOUT;
789
790 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
791 mps_dprint(sc, MPS_INFO, "%s: sending Target "
792 "Reset for stuck SATA identify command "
793 "(cm = %p)\n", __func__, cm);
794 targ->tm->cm_targ = targ;
795 mpssas_send_reset(sc, targ->tm,
796 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
797 } else {
798 mps_dprint(sc, MPS_ERROR, "Failed to allocate "
799 "tm for Target Reset after SATA ID command "
800 "timed out (cm %p)\n", cm);
801 }
802 /*
803 * No need to check for more since the target is
804 * already being reset.
805 */
806 break;
807 }
808 }
809 out:
810 mpssas_startup_decrement(sassc);
811 return (error);
812 }
813
814 int
815 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
816 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
817 {
818 Mpi2SataPassthroughReply_t mpi_reply;
819 int i, rc, try_count;
820 u32 *bufferptr;
821 union _sata_sas_address hash_address;
822 struct _ata_identify_device_data ata_identify;
823 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
824 u32 ioc_status;
825 u8 sas_status;
826
827 memset(&ata_identify, 0, sizeof(ata_identify));
828 try_count = 0;
829 do {
830 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply,
831 (char *)&ata_identify, sizeof(ata_identify), device_info);
832 try_count++;
833 ioc_status = le16toh(mpi_reply.IOCStatus)
834 & MPI2_IOCSTATUS_MASK;
835 sas_status = mpi_reply.SASStatus;
836 switch (ioc_status) {
837 case MPI2_IOCSTATUS_SUCCESS:
838 break;
839 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
840 /* No sense sleeping. this error won't get better */
841 break;
842 default:
843 if (sc->spinup_wait_time > 0) {
844 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds "
845 "after SATA ID error to wait for spinup\n",
846 sc->spinup_wait_time);
847 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0,
848 "mpsid", sc->spinup_wait_time * hz);
849 }
850 }
851 } while (((rc && (rc != EWOULDBLOCK)) ||
852 (ioc_status &&
853 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
854 || sas_status) && (try_count < 5));
855
856 if (rc == 0 && !ioc_status && !sas_status) {
857 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify "
858 "successfully for handle = 0x%x with try_count = %d\n",
859 __func__, handle, try_count);
860 } else {
861 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n",
862 __func__, handle);
863 return -1;
864 }
865 /* Copy & byteswap the 40 byte model number to a buffer */
866 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
867 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
868 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
869 }
870 /* Copy & byteswap the 20 byte serial number to a buffer */
871 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
872 buffer[MPT2SAS_MN_LEN + i] =
873 ((u8 *)ata_identify.serial_number)[i + 1];
874 buffer[MPT2SAS_MN_LEN + i + 1] =
875 ((u8 *)ata_identify.serial_number)[i];
876 }
877 bufferptr = (u32 *)buffer;
878 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
879 * so loop through the first 56 bytes (7*8),
880 * and then add in the last dword.
881 */
882 hash_address.word.low = 0;
883 hash_address.word.high = 0;
884 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
885 hash_address.word.low += *bufferptr;
886 bufferptr++;
887 hash_address.word.high += *bufferptr;
888 bufferptr++;
889 }
890 /* Add the last dword */
891 hash_address.word.low += *bufferptr;
892 /* Make sure the hash doesn't start with 5, because it could clash
893 * with a SAS address. Change 5 to a D.
894 */
895 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
896 hash_address.word.high |= 0x00000080;
897 *sas_address = (u64)hash_address.wwid[0] << 56 |
898 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
899 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
900 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
901 (u64)hash_address.wwid[7];
902 if (ata_identify.rotational_speed == 1) {
903 *is_SATA_SSD = 1;
904 }
905
906 return 0;
907 }
908
909 static int
910 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
911 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
912 {
913 Mpi2SataPassthroughRequest_t *mpi_request;
914 Mpi2SataPassthroughReply_t *reply = NULL;
915 struct mps_command *cm;
916 char *buffer;
917 int error = 0;
918
919 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO);
920 if (!buffer)
921 return ENOMEM;
922
923 if ((cm = mps_alloc_command(sc)) == NULL) {
924 free(buffer, M_MPT2);
925 return (EBUSY);
926 }
927 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
928 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
929 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
930 mpi_request->VF_ID = 0;
931 mpi_request->DevHandle = htole16(handle);
932 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
933 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
934 mpi_request->DataLength = htole32(sz);
935 mpi_request->CommandFIS[0] = 0x27;
936 mpi_request->CommandFIS[1] = 0x80;
937 mpi_request->CommandFIS[2] = (devinfo &
938 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
939 cm->cm_sge = &mpi_request->SGL;
940 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
941 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
942 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
943 cm->cm_data = buffer;
944 cm->cm_length = htole32(sz);
945
946 /*
947 * Use a custom handler to avoid reinit'ing the controller on timeout.
948 * This fixes a problem where the FW does not send a reply sometimes
949 * when a bad disk is in the topology. So, this is used to timeout the
950 * command so that processing can continue normally.
951 */
952 cm->cm_timeout_handler = mpssas_ata_id_timeout;
953
954 error = mps_wait_command(sc, &cm, MPS_ATA_ID_TIMEOUT, CAN_SLEEP);
955
956 /* mpssas_ata_id_timeout does not reset controller */
957 KASSERT(cm != NULL, ("%s: surprise command freed", __func__));
958
959 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
960 if (error || (reply == NULL)) {
961 /* FIXME */
962 /*
963 * If the request returns an error then we need to do a diag
964 * reset
965 */
966 mps_dprint(sc, MPS_INFO|MPS_FAULT|MPS_MAPPING,
967 "Request for SATA PASSTHROUGH page completed with error %d\n",
968 error);
969 error = ENXIO;
970 goto out;
971 }
972 bcopy(buffer, id_buffer, sz);
973 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
974 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
975 MPI2_IOCSTATUS_SUCCESS) {
976 mps_dprint(sc, MPS_INFO|MPS_MAPPING|MPS_FAULT,
977 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
978 handle, reply->IOCStatus);
979 error = ENXIO;
980 goto out;
981 }
982 out:
983 /*
984 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
985 * it. The command and buffer will be freed after we send a Target
986 * Reset TM and the command comes back from the controller.
987 */
988 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0) {
989 mps_free_command(sc, cm);
990 free(buffer, M_MPT2);
991 }
992 return (error);
993 }
994
995 /*
996 * This is completion handler to make sure that commands and allocated
997 * buffers get freed when timed out SATA ID commands finally complete after
998 * we've reset the target. In the normal case, we wait for the command to
999 * complete.
1000 */
1001 static void
1002 mpssas_ata_id_complete(struct mps_softc *sc, struct mps_command *cm)
1003 {
1004 mps_dprint(sc, MPS_INFO, "%s ATA ID completed late cm %p sc %p\n",
1005 __func__, cm, sc);
1006
1007 free(cm->cm_data, M_MPT2);
1008 mps_free_command(sc, cm);
1009 }
1010
1011
1012 static void
1013 mpssas_ata_id_timeout(struct mps_softc *sc, struct mps_command *cm)
1014 {
1015 mps_dprint(sc, MPS_INFO, "%s ATA ID command timeout cm %p sc %p\n",
1016 __func__, cm, sc);
1017
1018 /*
1019 * The Abort Task cannot be sent from here because the driver has not
1020 * completed setting up targets. Instead, the command is flagged so
1021 * that special handling will be used to send a target reset.
1022 */
1023 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT;
1024
1025 /*
1026 * Since we will no longer be waiting for the command to complete,
1027 * set a completion handler to make sure we free all resources.
1028 */
1029 cm->cm_complete = mpssas_ata_id_complete;
1030 }
1031
1032 static int
1033 mpssas_volume_add(struct mps_softc *sc, u16 handle)
1034 {
1035 struct mpssas_softc *sassc;
1036 struct mpssas_target *targ;
1037 u64 wwid;
1038 unsigned int id;
1039 int error = 0;
1040 struct mpssas_lun *lun;
1041
1042 sassc = sc->sassc;
1043 mpssas_startup_increment(sassc);
1044 /* wwid is endian safe */
1045 mps_config_get_volume_wwid(sc, handle, &wwid);
1046 if (!wwid) {
1047 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1048 __func__);
1049 error = ENXIO;
1050 goto out;
1051 }
1052
1053 id = mps_mapping_get_raid_tid(sc, wwid, handle);
1054 if (id == MPS_MAP_BAD_ID) {
1055 printf("%s: could not get ID for volume with handle 0x%04x and "
1056 "WWID 0x%016llx\n", __func__, handle,
1057 (unsigned long long)wwid);
1058 error = ENXIO;
1059 goto out;
1060 }
1061
1062 targ = &sassc->targets[id];
1063 targ->tid = id;
1064 targ->handle = handle;
1065 targ->devname = wwid;
1066 TAILQ_INIT(&targ->commands);
1067 TAILQ_INIT(&targ->timedout_commands);
1068 while(!SLIST_EMPTY(&targ->luns)) {
1069 lun = SLIST_FIRST(&targ->luns);
1070 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1071 free(lun, M_MPT2);
1072 }
1073 SLIST_INIT(&targ->luns);
1074 mpssas_rescan_target(sc, targ);
1075 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1076 targ->tid, wwid);
1077 out:
1078 mpssas_startup_decrement(sassc);
1079 return (error);
1080 }
1081
1082 /**
1083 * mpssas_SSU_to_SATA_devices
1084 * @sc: per adapter object
1085 * @howto: mast of RB_* bits for how we're rebooting
1086 *
1087 * Looks through the target list and issues a StartStopUnit SCSI command to each
1088 * SATA direct-access device. This helps to ensure that data corruption is
1089 * avoided when the system is being shut down. This must be called after the IR
1090 * System Shutdown RAID Action is sent if in IR mode.
1091 *
1092 * Return nothing.
1093 */
1094 static void
1095 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto)
1096 {
1097 struct mpssas_softc *sassc = sc->sassc;
1098 union ccb *ccb;
1099 path_id_t pathid = cam_sim_path(sassc->sim);
1100 target_id_t targetid;
1101 struct mpssas_target *target;
1102 char path_str[64];
1103 int timeout;
1104
1105 /*
1106 * For each target, issue a StartStopUnit command to stop the device.
1107 */
1108 sc->SSU_started = TRUE;
1109 sc->SSU_refcount = 0;
1110 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1111 target = &sassc->targets[targetid];
1112 if (target->handle == 0x0) {
1113 continue;
1114 }
1115
1116 ccb = xpt_alloc_ccb_nowait();
1117 if (ccb == NULL) {
1118 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
1119 "unit.\n");
1120 return;
1121 }
1122
1123 /*
1124 * The stop_at_shutdown flag will be set if this device is
1125 * a SATA direct-access end device.
1126 */
1127 if (target->stop_at_shutdown) {
1128 if (xpt_create_path(&ccb->ccb_h.path,
1129 xpt_periph, pathid, targetid,
1130 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1131 mps_dprint(sc, MPS_FAULT, "Unable to create "
1132 "LUN path to stop unit.\n");
1133 xpt_free_ccb(ccb);
1134 return;
1135 }
1136 xpt_path_string(ccb->ccb_h.path, path_str,
1137 sizeof(path_str));
1138
1139 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
1140 "handle %d\n", path_str, target->handle);
1141
1142 /*
1143 * Issue a START STOP UNIT command for the target.
1144 * Increment the SSU counter to be used to count the
1145 * number of required replies.
1146 */
1147 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
1148 sc->SSU_refcount++;
1149 ccb->ccb_h.target_id =
1150 xpt_path_target_id(ccb->ccb_h.path);
1151 ccb->ccb_h.ppriv_ptr1 = sassc;
1152 scsi_start_stop(&ccb->csio,
1153 /*retries*/0,
1154 mpssas_stop_unit_done,
1155 MSG_SIMPLE_Q_TAG,
1156 /*start*/FALSE,
1157 /*load/eject*/0,
1158 /*immediate*/FALSE,
1159 MPS_SENSE_LEN,
1160 /*timeout*/10000);
1161 xpt_action(ccb);
1162 }
1163 }
1164
1165 /*
1166 * Timeout after 60 seconds by default or 10 seconds if howto has
1167 * RB_NOSYNC set which indicates we're likely handling a panic.
1168 */
1169 timeout = 600;
1170 if (howto & RB_NOSYNC)
1171 timeout = 100;
1172
1173 /*
1174 * Wait until all of the SSU commands have completed or timeout has
1175 * expired. Pause for 100ms each time through. If any command
1176 * times out, the target will be reset in the SCSI command timeout
1177 * routine.
1178 */
1179 while (sc->SSU_refcount > 0) {
1180 pause("mpswait", hz/10);
1181 if (SCHEDULER_STOPPED())
1182 xpt_sim_poll(sassc->sim);
1183
1184 if (--timeout == 0) {
1185 mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
1186 "for SSU commands to complete.\n");
1187 break;
1188 }
1189 }
1190 }
1191
1192 static void
1193 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1194 {
1195 struct mpssas_softc *sassc;
1196 char path_str[64];
1197
1198 if (done_ccb == NULL)
1199 return;
1200
1201 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1202
1203 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1204 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n",
1205 path_str);
1206
1207 /*
1208 * Nothing more to do except free the CCB and path. If the command
1209 * timed out, an abort reset, then target reset will be issued during
1210 * the SCSI Command process.
1211 */
1212 xpt_free_path(done_ccb->ccb_h.path);
1213 xpt_free_ccb(done_ccb);
1214 }
1215
1216 /**
1217 * mpssas_ir_shutdown - IR shutdown notification
1218 * @sc: per adapter object
1219 * @howto: mast of RB_* bits for how we're rebooting
1220 *
1221 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1222 * the host system is shutting down.
1223 *
1224 * Return nothing.
1225 */
1226 void
1227 mpssas_ir_shutdown(struct mps_softc *sc, int howto)
1228 {
1229 u16 volume_mapping_flags;
1230 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1231 struct dev_mapping_table *mt_entry;
1232 u32 start_idx, end_idx;
1233 unsigned int id, found_volume = 0;
1234 struct mps_command *cm;
1235 Mpi2RaidActionRequest_t *action;
1236 target_id_t targetid;
1237 struct mpssas_target *target;
1238
1239 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1240
1241 /* is IR firmware build loaded? */
1242 if (!sc->ir_firmware)
1243 goto out;
1244
1245 /* are there any volumes? Look at IR target IDs. */
1246 // TODO-later, this should be looked up in the RAID config structure
1247 // when it is implemented.
1248 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1249 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1250 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1251 start_idx = 0;
1252 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1253 start_idx = 1;
1254 } else
1255 start_idx = sc->max_devices - sc->max_volumes;
1256 end_idx = start_idx + sc->max_volumes - 1;
1257
1258 for (id = start_idx; id < end_idx; id++) {
1259 mt_entry = &sc->mapping_table[id];
1260 if ((mt_entry->physical_id != 0) &&
1261 (mt_entry->missing_count == 0)) {
1262 found_volume = 1;
1263 break;
1264 }
1265 }
1266
1267 if (!found_volume)
1268 goto out;
1269
1270 if ((cm = mps_alloc_command(sc)) == NULL) {
1271 printf("%s: command alloc failed\n", __func__);
1272 goto out;
1273 }
1274
1275 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1276 action->Function = MPI2_FUNCTION_RAID_ACTION;
1277 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1278 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1279 mps_lock(sc);
1280 mps_wait_command(sc, &cm, 5, CAN_SLEEP);
1281 mps_unlock(sc);
1282
1283 /*
1284 * Don't check for reply, just leave.
1285 */
1286 if (cm)
1287 mps_free_command(sc, cm);
1288
1289 out:
1290 /*
1291 * All of the targets must have the correct value set for
1292 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1293 *
1294 * The possible values for the 'enable_ssu' variable are:
1295 * 0: disable to SSD and HDD
1296 * 1: disable only to HDD (default)
1297 * 2: disable only to SSD
1298 * 3: enable to SSD and HDD
1299 * anything else will default to 1.
1300 */
1301 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1302 target = &sc->sassc->targets[targetid];
1303 if (target->handle == 0x0) {
1304 continue;
1305 }
1306
1307 if (target->supports_SSU) {
1308 switch (sc->enable_ssu) {
1309 case MPS_SSU_DISABLE_SSD_DISABLE_HDD:
1310 target->stop_at_shutdown = FALSE;
1311 break;
1312 case MPS_SSU_DISABLE_SSD_ENABLE_HDD:
1313 target->stop_at_shutdown = TRUE;
1314 if (target->flags & MPS_TARGET_IS_SATA_SSD) {
1315 target->stop_at_shutdown = FALSE;
1316 }
1317 break;
1318 case MPS_SSU_ENABLE_SSD_ENABLE_HDD:
1319 target->stop_at_shutdown = TRUE;
1320 break;
1321 case MPS_SSU_ENABLE_SSD_DISABLE_HDD:
1322 default:
1323 target->stop_at_shutdown = TRUE;
1324 if ((target->flags &
1325 MPS_TARGET_IS_SATA_SSD) == 0) {
1326 target->stop_at_shutdown = FALSE;
1327 }
1328 break;
1329 }
1330 }
1331 }
1332 mpssas_SSU_to_SATA_devices(sc, howto);
1333 }
Cache object: 0d072ab80f844afc22bc5f74113b5716
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