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