1 /*-
2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
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/queue.h>
50 #include <sys/kthread.h>
51 #include <sys/taskqueue.h>
52 #include <sys/sbuf.h>
53 #include <sys/reboot.h>
54
55 #include <machine/bus.h>
56 #include <machine/resource.h>
57 #include <sys/rman.h>
58
59 #include <machine/stdarg.h>
60
61 #include <cam/cam.h>
62 #include <cam/cam_ccb.h>
63 #include <cam/cam_debug.h>
64 #include <cam/cam_sim.h>
65 #include <cam/cam_xpt_sim.h>
66 #include <cam/cam_xpt_periph.h>
67 #include <cam/cam_periph.h>
68 #include <cam/scsi/scsi_all.h>
69 #include <cam/scsi/scsi_message.h>
70
71 #include <dev/mps/mpi/mpi2_type.h>
72 #include <dev/mps/mpi/mpi2.h>
73 #include <dev/mps/mpi/mpi2_ioc.h>
74 #include <dev/mps/mpi/mpi2_sas.h>
75 #include <dev/mps/mpi/mpi2_cnfg.h>
76 #include <dev/mps/mpi/mpi2_init.h>
77 #include <dev/mps/mpi/mpi2_raid.h>
78 #include <dev/mps/mpi/mpi2_tool.h>
79 #include <dev/mps/mps_ioctl.h>
80 #include <dev/mps/mpsvar.h>
81 #include <dev/mps/mps_table.h>
82 #include <dev/mps/mps_sas.h>
83
84 /* For Hashed SAS Address creation for SATA Drives */
85 #define MPT2SAS_SN_LEN 20
86 #define MPT2SAS_MN_LEN 40
87
88 struct mps_fw_event_work {
89 u16 event;
90 void *event_data;
91 TAILQ_ENTRY(mps_fw_event_work) ev_link;
92 };
93
94 union _sata_sas_address {
95 u8 wwid[8];
96 struct {
97 u32 high;
98 u32 low;
99 } word;
100 };
101
102 /*
103 * define the IDENTIFY DEVICE structure
104 */
105 struct _ata_identify_device_data {
106 u16 reserved1[10]; /* 0-9 */
107 u16 serial_number[10]; /* 10-19 */
108 u16 reserved2[7]; /* 20-26 */
109 u16 model_number[20]; /* 27-46*/
110 u16 reserved3[170]; /* 47-216 */
111 u16 rotational_speed; /* 217 */
112 u16 reserved4[38]; /* 218-255 */
113 };
114 static u32 event_count;
115 static void mpssas_fw_work(struct mps_softc *sc,
116 struct mps_fw_event_work *fw_event);
117 static void mpssas_fw_event_free(struct mps_softc *,
118 struct mps_fw_event_work *);
119 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate);
120 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
121 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
122 u32 devinfo);
123 static void mpssas_ata_id_timeout(void *data);
124 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
125 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
126 static int mpssas_volume_add(struct mps_softc *sc,
127 u16 handle);
128 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto);
129 static void mpssas_stop_unit_done(struct cam_periph *periph,
130 union ccb *done_ccb);
131
132 void
mpssas_evt_handler(struct mps_softc * sc,uintptr_t data,MPI2_EVENT_NOTIFICATION_REPLY * event)133 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
134 MPI2_EVENT_NOTIFICATION_REPLY *event)
135 {
136 struct mps_fw_event_work *fw_event;
137 u16 sz;
138
139 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
140 MPS_DPRINT_EVENT(sc, sas, event);
141 mpssas_record_event(sc, event);
142
143 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2,
144 M_ZERO|M_NOWAIT);
145 if (!fw_event) {
146 printf("%s: allocate failed for fw_event\n", __func__);
147 return;
148 }
149 sz = le16toh(event->EventDataLength) * 4;
150 fw_event->event_data = malloc(sz, M_MPT2, M_ZERO|M_NOWAIT);
151 if (!fw_event->event_data) {
152 printf("%s: allocate failed for event_data\n", __func__);
153 free(fw_event, M_MPT2);
154 return;
155 }
156
157 bcopy(event->EventData, fw_event->event_data, sz);
158 fw_event->event = event->Event;
159 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
160 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
161 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
162 sc->track_mapping_events)
163 sc->pending_map_events++;
164
165 /*
166 * When wait_for_port_enable flag is set, make sure that all the events
167 * are processed. Increment the startup_refcount and decrement it after
168 * events are processed.
169 */
170 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
171 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
172 sc->wait_for_port_enable)
173 mpssas_startup_increment(sc->sassc);
174
175 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
176 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
177
178 }
179
180 static void
mpssas_fw_event_free(struct mps_softc * sc,struct mps_fw_event_work * fw_event)181 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
182 {
183
184 free(fw_event->event_data, M_MPT2);
185 free(fw_event, M_MPT2);
186 }
187
188 /**
189 * _mps_fw_work - delayed task for processing firmware events
190 * @sc: per adapter object
191 * @fw_event: The fw_event_work object
192 * Context: user.
193 *
194 * Return nothing.
195 */
196 static void
mpssas_fw_work(struct mps_softc * sc,struct mps_fw_event_work * fw_event)197 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
198 {
199 struct mpssas_softc *sassc;
200 sassc = sc->sassc;
201
202 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
203 event_count++,__func__,fw_event->event);
204 switch (fw_event->event) {
205 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
206 {
207 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
208 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
209 int i;
210
211 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
212 fw_event->event_data;
213
214 mps_mapping_topology_change_event(sc, fw_event->event_data);
215
216 for (i = 0; i < data->NumEntries; i++) {
217 phy = &data->PHY[i];
218 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
219 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
220 if (mpssas_add_device(sc,
221 le16toh(phy->AttachedDevHandle),
222 phy->LinkRate)){
223 mps_dprint(sc, MPS_ERROR, "%s: "
224 "failed to add device with handle "
225 "0x%x\n", __func__,
226 le16toh(phy->AttachedDevHandle));
227 mpssas_prepare_remove(sassc, le16toh(
228 phy->AttachedDevHandle));
229 }
230 break;
231 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
232 mpssas_prepare_remove(sassc,le16toh(
233 phy->AttachedDevHandle));
234 break;
235 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
236 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
237 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
238 default:
239 break;
240 }
241 }
242 /*
243 * refcount was incremented for this event in
244 * mpssas_evt_handler. Decrement it here because the event has
245 * been processed.
246 */
247 mpssas_startup_decrement(sassc);
248 break;
249 }
250 case MPI2_EVENT_SAS_DISCOVERY:
251 {
252 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
253
254 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
255
256 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
257 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n");
258 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
259 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n");
260 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
261 mpssas_discovery_end(sassc);
262 }
263 break;
264 }
265 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
266 {
267 Mpi2EventDataSasEnclDevStatusChange_t *data;
268 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
269 fw_event->event_data;
270 mps_mapping_enclosure_dev_status_change_event(sc,
271 fw_event->event_data);
272 break;
273 }
274 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
275 {
276 Mpi2EventIrConfigElement_t *element;
277 int i;
278 u8 foreign_config;
279 Mpi2EventDataIrConfigChangeList_t *event_data;
280 struct mpssas_target *targ;
281 unsigned int id;
282
283 event_data = fw_event->event_data;
284 foreign_config = (le32toh(event_data->Flags) &
285 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
286
287 element =
288 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
289 id = mps_mapping_get_raid_tid_from_handle(sc,
290 element->VolDevHandle);
291
292 mps_mapping_ir_config_change_event(sc, event_data);
293
294 for (i = 0; i < event_data->NumElements; i++, element++) {
295 switch (element->ReasonCode) {
296 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
297 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
298 if (!foreign_config) {
299 if (mpssas_volume_add(sc,
300 le16toh(element->VolDevHandle))){
301 printf("%s: failed to add RAID "
302 "volume with handle 0x%x\n",
303 __func__, le16toh(element->
304 VolDevHandle));
305 }
306 }
307 break;
308 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
309 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
310 /*
311 * Rescan after volume is deleted or removed.
312 */
313 if (!foreign_config) {
314 if (id == MPS_MAP_BAD_ID) {
315 printf("%s: could not get ID "
316 "for volume with handle "
317 "0x%04x\n", __func__,
318 le16toh(element->VolDevHandle));
319 break;
320 }
321
322 targ = &sassc->targets[id];
323 targ->handle = 0x0;
324 targ->encl_slot = 0x0;
325 targ->encl_handle = 0x0;
326 targ->exp_dev_handle = 0x0;
327 targ->phy_num = 0x0;
328 targ->linkrate = 0x0;
329 mpssas_rescan_target(sc, targ);
330 printf("RAID target id 0x%x removed\n",
331 targ->tid);
332 }
333 break;
334 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
335 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
336 /*
337 * Phys Disk of a volume has been created. Hide
338 * it from the OS.
339 */
340 targ = mpssas_find_target_by_handle(sassc, 0,
341 element->PhysDiskDevHandle);
342 if (targ == NULL)
343 break;
344
345 /*
346 * Set raid component flags only if it is not
347 * WD. OR WrapDrive with
348 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in
349 * NVRAM
350 */
351 if((!sc->WD_available) ||
352 ((sc->WD_available &&
353 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
354 (sc->WD_valid_config && (sc->WD_hide_expose ==
355 MPS_WD_HIDE_IF_VOLUME)))) {
356 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
357 }
358 mpssas_rescan_target(sc, targ);
359
360 break;
361 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
362 /*
363 * Phys Disk of a volume has been deleted.
364 * Expose it to the OS.
365 */
366 if (mpssas_add_device(sc,
367 le16toh(element->PhysDiskDevHandle), 0)){
368 printf("%s: failed to add device with "
369 "handle 0x%x\n", __func__,
370 le16toh(element->PhysDiskDevHandle));
371 mpssas_prepare_remove(sassc, le16toh(element->
372 PhysDiskDevHandle));
373 }
374 break;
375 }
376 }
377 /*
378 * refcount was incremented for this event in
379 * mpssas_evt_handler. Decrement it here because the event has
380 * been processed.
381 */
382 mpssas_startup_decrement(sassc);
383 break;
384 }
385 case MPI2_EVENT_IR_VOLUME:
386 {
387 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
388
389 /*
390 * Informational only.
391 */
392 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n");
393 switch (event_data->ReasonCode) {
394 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
395 mps_dprint(sc, MPS_EVENT, " Volume Settings "
396 "changed from 0x%x to 0x%x for Volome with "
397 "handle 0x%x", le32toh(event_data->PreviousValue),
398 le32toh(event_data->NewValue),
399 le16toh(event_data->VolDevHandle));
400 break;
401 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
402 mps_dprint(sc, MPS_EVENT, " Volume Status "
403 "changed from 0x%x to 0x%x for Volome with "
404 "handle 0x%x", le32toh(event_data->PreviousValue),
405 le32toh(event_data->NewValue),
406 le16toh(event_data->VolDevHandle));
407 break;
408 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
409 mps_dprint(sc, MPS_EVENT, " Volume State "
410 "changed from 0x%x to 0x%x for Volome with "
411 "handle 0x%x", le32toh(event_data->PreviousValue),
412 le32toh(event_data->NewValue),
413 le16toh(event_data->VolDevHandle));
414 u32 state;
415 struct mpssas_target *targ;
416 state = le32toh(event_data->NewValue);
417 switch (state) {
418 case MPI2_RAID_VOL_STATE_MISSING:
419 case MPI2_RAID_VOL_STATE_FAILED:
420 mpssas_prepare_volume_remove(sassc, event_data->
421 VolDevHandle);
422 break;
423
424 case MPI2_RAID_VOL_STATE_ONLINE:
425 case MPI2_RAID_VOL_STATE_DEGRADED:
426 case MPI2_RAID_VOL_STATE_OPTIMAL:
427 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle);
428 if (targ) {
429 printf("%s %d: Volume handle 0x%x is already added \n",
430 __func__, __LINE__ , event_data->VolDevHandle);
431 break;
432 }
433 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) {
434 printf("%s: failed to add RAID "
435 "volume with handle 0x%x\n",
436 __func__, le16toh(event_data->
437 VolDevHandle));
438 }
439 break;
440 default:
441 break;
442 }
443 break;
444 default:
445 break;
446 }
447 break;
448 }
449 case MPI2_EVENT_IR_PHYSICAL_DISK:
450 {
451 Mpi2EventDataIrPhysicalDisk_t *event_data =
452 fw_event->event_data;
453 struct mpssas_target *targ;
454
455 /*
456 * Informational only.
457 */
458 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n");
459 switch (event_data->ReasonCode) {
460 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
461 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings "
462 "changed from 0x%x to 0x%x for Phys Disk Number "
463 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
464 "%d", le32toh(event_data->PreviousValue),
465 le32toh(event_data->NewValue),
466 event_data->PhysDiskNum,
467 le16toh(event_data->PhysDiskDevHandle),
468 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
469 break;
470 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
471 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed "
472 "from 0x%x to 0x%x for Phys Disk Number %d and "
473 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
474 le32toh(event_data->PreviousValue),
475 le32toh(event_data->NewValue), event_data->PhysDiskNum,
476 le16toh(event_data->PhysDiskDevHandle),
477 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
478 break;
479 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
480 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed "
481 "from 0x%x to 0x%x for Phys Disk Number %d and "
482 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
483 le32toh(event_data->PreviousValue),
484 le32toh(event_data->NewValue), event_data->PhysDiskNum,
485 le16toh(event_data->PhysDiskDevHandle),
486 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
487 switch (event_data->NewValue) {
488 case MPI2_RAID_PD_STATE_ONLINE:
489 case MPI2_RAID_PD_STATE_DEGRADED:
490 case MPI2_RAID_PD_STATE_REBUILDING:
491 case MPI2_RAID_PD_STATE_OPTIMAL:
492 case MPI2_RAID_PD_STATE_HOT_SPARE:
493 targ = mpssas_find_target_by_handle(sassc, 0,
494 event_data->PhysDiskDevHandle);
495 if (targ) {
496 if(!sc->WD_available) {
497 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
498 printf("%s %d: Found Target for handle 0x%x. \n",
499 __func__, __LINE__ , event_data->PhysDiskDevHandle);
500 } else if ((sc->WD_available &&
501 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
502 (sc->WD_valid_config && (sc->WD_hide_expose ==
503 MPS_WD_HIDE_IF_VOLUME))) {
504 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
505 printf("%s %d: WD: Found Target for handle 0x%x. \n",
506 __func__, __LINE__ , event_data->PhysDiskDevHandle);
507 }
508 }
509 break;
510 case MPI2_RAID_PD_STATE_OFFLINE:
511 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
512 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
513 default:
514 targ = mpssas_find_target_by_handle(sassc, 0,
515 event_data->PhysDiskDevHandle);
516 if (targ) {
517 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT;
518 printf("%s %d: Found Target for handle 0x%x. \n",
519 __func__, __LINE__ , event_data->PhysDiskDevHandle);
520 }
521 break;
522 }
523 default:
524 break;
525 }
526 break;
527 }
528 case MPI2_EVENT_IR_OPERATION_STATUS:
529 {
530 Mpi2EventDataIrOperationStatus_t *event_data =
531 fw_event->event_data;
532
533 /*
534 * Informational only.
535 */
536 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n");
537 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d "
538 "percent complete for Volume with handle 0x%x",
539 event_data->RAIDOperation, event_data->PercentComplete,
540 le16toh(event_data->VolDevHandle));
541 break;
542 }
543 case MPI2_EVENT_LOG_ENTRY_ADDED:
544 {
545 pMpi2EventDataLogEntryAdded_t logEntry;
546 uint16_t logQualifier;
547 uint8_t logCode;
548
549 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data;
550 logQualifier = logEntry->LogEntryQualifier;
551
552 if (logQualifier == MPI2_WD_LOG_ENTRY) {
553 logCode = logEntry->LogData[0];
554
555 switch (logCode) {
556 case MPI2_WD_SSD_THROTTLING:
557 printf("WarpDrive Warning: IO Throttling has "
558 "occurred in the WarpDrive subsystem. "
559 "Check WarpDrive documentation for "
560 "additional details\n");
561 break;
562 case MPI2_WD_DRIVE_LIFE_WARN:
563 printf("WarpDrive Warning: Program/Erase "
564 "Cycles for the WarpDrive subsystem in "
565 "degraded range. Check WarpDrive "
566 "documentation for additional details\n");
567 break;
568 case MPI2_WD_DRIVE_LIFE_DEAD:
569 printf("WarpDrive Fatal Error: There are no "
570 "Program/Erase Cycles for the WarpDrive "
571 "subsystem. The storage device will be in "
572 "read-only mode. Check WarpDrive "
573 "documentation for additional details\n");
574 break;
575 case MPI2_WD_RAIL_MON_FAIL:
576 printf("WarpDrive Fatal Error: The Backup Rail "
577 "Monitor has failed on the WarpDrive "
578 "subsystem. Check WarpDrive documentation "
579 "for additional details\n");
580 break;
581 default:
582 break;
583 }
584 }
585 break;
586 }
587 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
588 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
589 default:
590 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n",
591 fw_event->event);
592 break;
593
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
mpssas_firmware_event_work(void * arg,int pending)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
mpssas_add_device(struct mps_softc * sc,u16 handle,u8 linkrate)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))) {
634 printf("%s: error reading SAS device page0\n", __func__);
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)))) {
649 printf("%s: error reading SAS device %#x page0\n",
650 __func__, le16toh(config_page.ParentDevHandle));
651 } else {
652 parent_sas_address = parent_config_page.SASAddress.High;
653 parent_sas_address = (parent_sas_address << 32) |
654 parent_config_page.SASAddress.Low;
655 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
656 }
657 }
658 /* TODO Check proper endianness */
659 sas_address = config_page.SASAddress.High;
660 sas_address = (sas_address << 32) | config_page.SASAddress.Low;
661
662 /*
663 * Always get SATA Identify information because this is used to
664 * determine if Start/Stop Unit should be sent to the drive when the
665 * system is shutdown.
666 */
667 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
668 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address,
669 handle, device_info, &is_SATA_SSD);
670 if (ret) {
671 mps_dprint(sc, MPS_INFO, "%s: failed to get disk type "
672 "(SSD or HDD) for SATA device with handle 0x%04x\n",
673 __func__, handle);
674 } else {
675 mps_dprint(sc, MPS_INFO, "SAS Address from SATA "
676 "device = %jx\n", sas_address);
677 }
678 }
679
680 /*
681 * use_phynum:
682 * 1 - use the PhyNum field as a fallback to the mapping logic
683 * 0 - never use the PhyNum field
684 * -1 - only use the PhyNum field
685 *
686 * Note that using the Phy number to map a device can cause device adds
687 * to fail if multiple enclosures/expanders are in the topology. For
688 * example, if two devices are in the same slot number in two different
689 * enclosures within the topology, only one of those devices will be
690 * added. PhyNum mapping should not be used if multiple enclosures are
691 * in the topology.
692 */
693 id = MPS_MAP_BAD_ID;
694 if (sc->use_phynum != -1)
695 id = mps_mapping_get_tid(sc, sas_address, handle);
696 if (id == MPS_MAP_BAD_ID) {
697 if ((sc->use_phynum == 0)
698 || ((id = config_page.PhyNum) > sassc->maxtargets)) {
699 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! "
700 "Could not get ID for device with handle 0x%04x\n",
701 __FILE__, __LINE__, __func__, handle);
702 error = ENXIO;
703 goto out;
704 }
705 }
706 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n",
707 __func__, id);
708
709 /*
710 * Only do the ID check and reuse check if the target is not from a
711 * RAID Component. For Physical Disks of a Volume, the ID will be reused
712 * when a volume is deleted because the mapping entry for the PD will
713 * still be in the mapping table. The ID check should not be done here
714 * either since this PD is already being used.
715 */
716 targ = &sassc->targets[id];
717 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) {
718 if (mpssas_check_id(sassc, id) != 0) {
719 device_printf(sc->mps_dev, "Excluding target id %d\n",
720 id);
721 error = ENXIO;
722 goto out;
723 }
724
725 if (targ->handle != 0x0) {
726 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse "
727 "target id %d handle 0x%04x\n", id, targ->handle);
728 error = ENXIO;
729 goto out;
730 }
731 }
732
733 mps_dprint(sc, MPS_MAPPING, "SAS Address from SAS device page0 = %jx\n",
734 sas_address);
735 targ->devinfo = device_info;
736 targ->devname = le32toh(config_page.DeviceName.High);
737 targ->devname = (targ->devname << 32) |
738 le32toh(config_page.DeviceName.Low);
739 targ->encl_handle = le16toh(config_page.EnclosureHandle);
740 targ->encl_slot = le16toh(config_page.Slot);
741 targ->handle = handle;
742 targ->parent_handle = le16toh(config_page.ParentDevHandle);
743 targ->sasaddr = mps_to_u64(&config_page.SASAddress);
744 targ->parent_sasaddr = le64toh(parent_sas_address);
745 targ->parent_devinfo = parent_devinfo;
746 targ->tid = id;
747 targ->linkrate = (linkrate>>4);
748 targ->flags = 0;
749 if (is_SATA_SSD) {
750 targ->flags = MPS_TARGET_IS_SATA_SSD;
751 }
752 TAILQ_INIT(&targ->commands);
753 TAILQ_INIT(&targ->timedout_commands);
754 while(!SLIST_EMPTY(&targ->luns)) {
755 lun = SLIST_FIRST(&targ->luns);
756 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
757 free(lun, M_MPT2);
758 }
759 SLIST_INIT(&targ->luns);
760
761 mps_describe_devinfo(targ->devinfo, devstring, 80);
762 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n",
763 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate),
764 targ->handle, targ->encl_handle, targ->encl_slot);
765
766 #if __FreeBSD_version < 1000039
767 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
768 #endif
769 mpssas_rescan_target(sc, targ);
770 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid);
771
772 /*
773 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
774 * If so, send a Target Reset TM to the target that was just created.
775 * An Abort Task TM should be used instead of a Target Reset, but that
776 * would be much more difficult because targets have not been fully
777 * discovered yet, and LUN's haven't been setup. So, just reset the
778 * target instead of the LUN.
779 */
780 for (i = 1; i < sc->num_reqs; i++) {
781 cm = &sc->commands[i];
782 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
783 targ->timeouts++;
784 cm->cm_state = MPS_CM_STATE_TIMEDOUT;
785
786 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
787 mps_dprint(sc, MPS_INFO, "%s: sending Target "
788 "Reset for stuck SATA identify command "
789 "(cm = %p)\n", __func__, cm);
790 targ->tm->cm_targ = targ;
791 mpssas_send_reset(sc, targ->tm,
792 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
793 } else {
794 mps_dprint(sc, MPS_ERROR, "Failed to allocate "
795 "tm for Target Reset after SATA ID command "
796 "timed out (cm %p)\n", cm);
797 }
798 /*
799 * No need to check for more since the target is
800 * already being reset.
801 */
802 break;
803 }
804 }
805 out:
806 /*
807 * Free the commands that may not have been freed from the SATA ID call
808 */
809 for (i = 1; i < sc->num_reqs; i++) {
810 cm = &sc->commands[i];
811 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
812 mps_free_command(sc, cm);
813 }
814 }
815 mpssas_startup_decrement(sassc);
816 return (error);
817 }
818
819 int
mpssas_get_sas_address_for_sata_disk(struct mps_softc * sc,u64 * sas_address,u16 handle,u32 device_info,u8 * is_SATA_SSD)820 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
821 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
822 {
823 Mpi2SataPassthroughReply_t mpi_reply;
824 int i, rc, try_count;
825 u32 *bufferptr;
826 union _sata_sas_address hash_address;
827 struct _ata_identify_device_data ata_identify;
828 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
829 u32 ioc_status;
830 u8 sas_status;
831
832 memset(&ata_identify, 0, sizeof(ata_identify));
833 try_count = 0;
834 do {
835 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply,
836 (char *)&ata_identify, sizeof(ata_identify), device_info);
837 try_count++;
838 ioc_status = le16toh(mpi_reply.IOCStatus)
839 & MPI2_IOCSTATUS_MASK;
840 sas_status = mpi_reply.SASStatus;
841 switch (ioc_status) {
842 case MPI2_IOCSTATUS_SUCCESS:
843 break;
844 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
845 /* No sense sleeping. this error won't get better */
846 break;
847 default:
848 if (sc->spinup_wait_time > 0) {
849 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds "
850 "after SATA ID error to wait for spinup\n",
851 sc->spinup_wait_time);
852 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0,
853 "mpsid", sc->spinup_wait_time * hz);
854 }
855 }
856 } while (((rc && (rc != EWOULDBLOCK)) ||
857 (ioc_status &&
858 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
859 || sas_status) && (try_count < 5));
860
861 if (rc == 0 && !ioc_status && !sas_status) {
862 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify "
863 "successfully for handle = 0x%x with try_count = %d\n",
864 __func__, handle, try_count);
865 } else {
866 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n",
867 __func__, handle);
868 return -1;
869 }
870 /* Copy & byteswap the 40 byte model number to a buffer */
871 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
872 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
873 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
874 }
875 /* Copy & byteswap the 20 byte serial number to a buffer */
876 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
877 buffer[MPT2SAS_MN_LEN + i] =
878 ((u8 *)ata_identify.serial_number)[i + 1];
879 buffer[MPT2SAS_MN_LEN + i + 1] =
880 ((u8 *)ata_identify.serial_number)[i];
881 }
882 bufferptr = (u32 *)buffer;
883 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
884 * so loop through the first 56 bytes (7*8),
885 * and then add in the last dword.
886 */
887 hash_address.word.low = 0;
888 hash_address.word.high = 0;
889 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
890 hash_address.word.low += *bufferptr;
891 bufferptr++;
892 hash_address.word.high += *bufferptr;
893 bufferptr++;
894 }
895 /* Add the last dword */
896 hash_address.word.low += *bufferptr;
897 /* Make sure the hash doesn't start with 5, because it could clash
898 * with a SAS address. Change 5 to a D.
899 */
900 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
901 hash_address.word.high |= 0x00000080;
902 *sas_address = (u64)hash_address.wwid[0] << 56 |
903 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
904 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
905 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
906 (u64)hash_address.wwid[7];
907 if (ata_identify.rotational_speed == 1) {
908 *is_SATA_SSD = 1;
909 }
910
911 return 0;
912 }
913
914 static int
mpssas_get_sata_identify(struct mps_softc * sc,u16 handle,Mpi2SataPassthroughReply_t * mpi_reply,char * id_buffer,int sz,u32 devinfo)915 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
916 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
917 {
918 Mpi2SataPassthroughRequest_t *mpi_request;
919 Mpi2SataPassthroughReply_t *reply = NULL;
920 struct mps_command *cm;
921 char *buffer;
922 int error = 0;
923
924 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO);
925 if (!buffer)
926 return ENOMEM;
927
928 if ((cm = mps_alloc_command(sc)) == NULL) {
929 free(buffer, M_MPT2);
930 return (EBUSY);
931 }
932 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
933 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
934 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
935 mpi_request->VF_ID = 0;
936 mpi_request->DevHandle = htole16(handle);
937 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
938 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
939 mpi_request->DataLength = htole32(sz);
940 mpi_request->CommandFIS[0] = 0x27;
941 mpi_request->CommandFIS[1] = 0x80;
942 mpi_request->CommandFIS[2] = (devinfo &
943 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
944 cm->cm_sge = &mpi_request->SGL;
945 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
946 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
947 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
948 cm->cm_data = buffer;
949 cm->cm_length = htole32(sz);
950
951 /*
952 * Start a timeout counter specifically for the SATA ID command. This
953 * is used to fix a problem where the FW does not send a reply sometimes
954 * when a bad disk is in the topology. So, this is used to timeout the
955 * command so that processing can continue normally.
956 */
957 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID "
958 "command\n", __func__);
959 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz,
960 mpssas_ata_id_timeout, cm);
961 error = mps_wait_command(sc, &cm, 60, CAN_SLEEP);
962 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID "
963 "command\n", __func__);
964 /* XXX KDM need to fix the case where this command is destroyed */
965 callout_stop(&cm->cm_callout);
966
967 if (cm != NULL)
968 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
969 if (error || (reply == NULL)) {
970 /* FIXME */
971 /*
972 * If the request returns an error then we need to do a diag
973 * reset
974 */
975 printf("%s: request for page completed with error %d",
976 __func__, error);
977 error = ENXIO;
978 goto out;
979 }
980 bcopy(buffer, id_buffer, sz);
981 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
982 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
983 MPI2_IOCSTATUS_SUCCESS) {
984 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
985 __func__, reply->IOCStatus);
986 error = ENXIO;
987 goto out;
988 }
989 out:
990 /*
991 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
992 * it. The command will be freed after sending a target reset TM. If
993 * the command did timeout, use EWOULDBLOCK.
994 */
995 if ((cm != NULL)
996 && (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
997 mps_free_command(sc, cm);
998 else if (error == 0)
999 error = EWOULDBLOCK;
1000 free(buffer, M_MPT2);
1001 return (error);
1002 }
1003
1004 static void
mpssas_ata_id_timeout(void * data)1005 mpssas_ata_id_timeout(void *data)
1006 {
1007 struct mps_softc *sc;
1008 struct mps_command *cm;
1009
1010 cm = (struct mps_command *)data;
1011 sc = cm->cm_sc;
1012 mtx_assert(&sc->mps_mtx, MA_OWNED);
1013
1014 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n",
1015 __func__, cm, sc);
1016 if ((callout_pending(&cm->cm_callout)) ||
1017 (!callout_active(&cm->cm_callout))) {
1018 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1019 __func__);
1020 return;
1021 }
1022 callout_deactivate(&cm->cm_callout);
1023
1024 /*
1025 * Run the interrupt handler to make sure it's not pending. This
1026 * isn't perfect because the command could have already completed
1027 * and been re-used, though this is unlikely.
1028 */
1029 mps_intr_locked(sc);
1030 if (cm->cm_state == MPS_CM_STATE_FREE) {
1031 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1032 __func__);
1033 return;
1034 }
1035
1036 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm);
1037
1038 /*
1039 * Send wakeup() to the sleeping thread that issued this ATA ID command.
1040 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1041 * will keep reinit() from being called. This way, an Abort Task TM can
1042 * be issued so that the timed out command can be cleared. The Abort
1043 * Task cannot be sent from here because the driver has not completed
1044 * setting up targets. Instead, the command is flagged so that special
1045 * handling will be used to send the abort.
1046 */
1047 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT;
1048 wakeup(cm);
1049 }
1050
1051 static int
mpssas_volume_add(struct mps_softc * sc,u16 handle)1052 mpssas_volume_add(struct mps_softc *sc, u16 handle)
1053 {
1054 struct mpssas_softc *sassc;
1055 struct mpssas_target *targ;
1056 u64 wwid;
1057 unsigned int id;
1058 int error = 0;
1059 struct mpssas_lun *lun;
1060
1061 sassc = sc->sassc;
1062 mpssas_startup_increment(sassc);
1063 /* wwid is endian safe */
1064 mps_config_get_volume_wwid(sc, handle, &wwid);
1065 if (!wwid) {
1066 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1067 __func__);
1068 error = ENXIO;
1069 goto out;
1070 }
1071
1072 id = mps_mapping_get_raid_tid(sc, wwid, handle);
1073 if (id == MPS_MAP_BAD_ID) {
1074 printf("%s: could not get ID for volume with handle 0x%04x and "
1075 "WWID 0x%016llx\n", __func__, handle,
1076 (unsigned long long)wwid);
1077 error = ENXIO;
1078 goto out;
1079 }
1080
1081 targ = &sassc->targets[id];
1082 targ->tid = id;
1083 targ->handle = handle;
1084 targ->devname = wwid;
1085 TAILQ_INIT(&targ->commands);
1086 TAILQ_INIT(&targ->timedout_commands);
1087 while(!SLIST_EMPTY(&targ->luns)) {
1088 lun = SLIST_FIRST(&targ->luns);
1089 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1090 free(lun, M_MPT2);
1091 }
1092 SLIST_INIT(&targ->luns);
1093 #if __FreeBSD_version < 1000039
1094 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
1095 #endif
1096 mpssas_rescan_target(sc, targ);
1097 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1098 targ->tid, wwid);
1099 out:
1100 mpssas_startup_decrement(sassc);
1101 return (error);
1102 }
1103
1104 /**
1105 * mpssas_SSU_to_SATA_devices
1106 * @sc: per adapter object
1107 *
1108 * Looks through the target list and issues a StartStopUnit SCSI command to each
1109 * SATA direct-access device. This helps to ensure that data corruption is
1110 * avoided when the system is being shut down. This must be called after the IR
1111 * System Shutdown RAID Action is sent if in IR mode.
1112 *
1113 * Return nothing.
1114 */
1115 static void
mpssas_SSU_to_SATA_devices(struct mps_softc * sc,int howto)1116 mpssas_SSU_to_SATA_devices(struct mps_softc *sc, int howto)
1117 {
1118 struct mpssas_softc *sassc = sc->sassc;
1119 union ccb *ccb;
1120 path_id_t pathid = cam_sim_path(sassc->sim);
1121 target_id_t targetid;
1122 struct mpssas_target *target;
1123 char path_str[64];
1124 int timeout;
1125
1126 /*
1127 * For each target, issue a StartStopUnit command to stop the device.
1128 */
1129 sc->SSU_started = TRUE;
1130 sc->SSU_refcount = 0;
1131 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1132 target = &sassc->targets[targetid];
1133 if (target->handle == 0x0) {
1134 continue;
1135 }
1136
1137 ccb = xpt_alloc_ccb_nowait();
1138 if (ccb == NULL) {
1139 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
1140 "unit.\n");
1141 return;
1142 }
1143
1144 /*
1145 * The stop_at_shutdown flag will be set if this device is
1146 * a SATA direct-access end device.
1147 */
1148 if (target->stop_at_shutdown) {
1149 if (xpt_create_path(&ccb->ccb_h.path,
1150 xpt_periph, pathid, targetid,
1151 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1152 mps_dprint(sc, MPS_FAULT, "Unable to create "
1153 "LUN path to stop unit.\n");
1154 xpt_free_ccb(ccb);
1155 return;
1156 }
1157 xpt_path_string(ccb->ccb_h.path, path_str,
1158 sizeof(path_str));
1159
1160 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
1161 "handle %d\n", path_str, target->handle);
1162
1163 /*
1164 * Issue a START STOP UNIT command for the target.
1165 * Increment the SSU counter to be used to count the
1166 * number of required replies.
1167 */
1168 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
1169 sc->SSU_refcount++;
1170 ccb->ccb_h.target_id =
1171 xpt_path_target_id(ccb->ccb_h.path);
1172 ccb->ccb_h.ppriv_ptr1 = sassc;
1173 scsi_start_stop(&ccb->csio,
1174 /*retries*/0,
1175 mpssas_stop_unit_done,
1176 MSG_SIMPLE_Q_TAG,
1177 /*start*/FALSE,
1178 /*load/eject*/0,
1179 /*immediate*/FALSE,
1180 MPS_SENSE_LEN,
1181 /*timeout*/10000);
1182 xpt_action(ccb);
1183 }
1184 }
1185
1186 /*
1187 * Timeout after 60 seconds by default or 10 seconds if howto has
1188 * RB_NOSYNC set which indicates we're likely handling a panic.
1189 */
1190 timeout = 600;
1191 if (howto & RB_NOSYNC)
1192 timeout = 100;
1193
1194 /*
1195 * Wait until all of the SSU commands have completed or timeout has
1196 * expired. Pause for 100ms each time through. If any command
1197 * times out, the target will be reset in the SCSI command timeout
1198 * routine.
1199 */
1200 while (sc->SSU_refcount > 0) {
1201 pause("mpswait", hz/10);
1202
1203 if (--timeout == 0) {
1204 mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
1205 "for SSU commands to complete.\n");
1206 break;
1207 }
1208 }
1209 }
1210
1211 static void
mpssas_stop_unit_done(struct cam_periph * periph,union ccb * done_ccb)1212 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1213 {
1214 struct mpssas_softc *sassc;
1215 char path_str[64];
1216
1217 if (done_ccb == NULL)
1218 return;
1219
1220 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1221
1222 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1223 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n",
1224 path_str);
1225
1226 /*
1227 * Nothing more to do except free the CCB and path. If the command
1228 * timed out, an abort reset, then target reset will be issued during
1229 * the SCSI Command process.
1230 */
1231 xpt_free_path(done_ccb->ccb_h.path);
1232 xpt_free_ccb(done_ccb);
1233 }
1234
1235 /**
1236 * mpssas_ir_shutdown - IR shutdown notification
1237 * @sc: per adapter object
1238 *
1239 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1240 * the host system is shutting down.
1241 *
1242 * Return nothing.
1243 */
1244 void
mpssas_ir_shutdown(struct mps_softc * sc,int howto)1245 mpssas_ir_shutdown(struct mps_softc *sc, int howto)
1246 {
1247 u16 volume_mapping_flags;
1248 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1249 struct dev_mapping_table *mt_entry;
1250 u32 start_idx, end_idx;
1251 unsigned int id, found_volume = 0;
1252 struct mps_command *cm;
1253 Mpi2RaidActionRequest_t *action;
1254 target_id_t targetid;
1255 struct mpssas_target *target;
1256
1257 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1258
1259 /* is IR firmware build loaded? */
1260 if (!sc->ir_firmware)
1261 goto out;
1262
1263 /* are there any volumes? Look at IR target IDs. */
1264 // TODO-later, this should be looked up in the RAID config structure
1265 // when it is implemented.
1266 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1267 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1268 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1269 start_idx = 0;
1270 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1271 start_idx = 1;
1272 } else
1273 start_idx = sc->max_devices - sc->max_volumes;
1274 end_idx = start_idx + sc->max_volumes - 1;
1275
1276 for (id = start_idx; id < end_idx; id++) {
1277 mt_entry = &sc->mapping_table[id];
1278 if ((mt_entry->physical_id != 0) &&
1279 (mt_entry->missing_count == 0)) {
1280 found_volume = 1;
1281 break;
1282 }
1283 }
1284
1285 if (!found_volume)
1286 goto out;
1287
1288 if ((cm = mps_alloc_command(sc)) == NULL) {
1289 printf("%s: command alloc failed\n", __func__);
1290 goto out;
1291 }
1292
1293 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1294 action->Function = MPI2_FUNCTION_RAID_ACTION;
1295 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1296 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1297 mps_lock(sc);
1298 mps_wait_command(sc, &cm, 5, CAN_SLEEP);
1299 mps_unlock(sc);
1300
1301 /*
1302 * Don't check for reply, just leave.
1303 */
1304 if (cm)
1305 mps_free_command(sc, cm);
1306
1307 out:
1308 /*
1309 * All of the targets must have the correct value set for
1310 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1311 *
1312 * The possible values for the 'enable_ssu' variable are:
1313 * 0: disable to SSD and HDD
1314 * 1: disable only to HDD (default)
1315 * 2: disable only to SSD
1316 * 3: enable to SSD and HDD
1317 * anything else will default to 1.
1318 */
1319 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1320 target = &sc->sassc->targets[targetid];
1321 if (target->handle == 0x0) {
1322 continue;
1323 }
1324
1325 if (target->supports_SSU) {
1326 switch (sc->enable_ssu) {
1327 case MPS_SSU_DISABLE_SSD_DISABLE_HDD:
1328 target->stop_at_shutdown = FALSE;
1329 break;
1330 case MPS_SSU_DISABLE_SSD_ENABLE_HDD:
1331 target->stop_at_shutdown = TRUE;
1332 if (target->flags & MPS_TARGET_IS_SATA_SSD) {
1333 target->stop_at_shutdown = FALSE;
1334 }
1335 break;
1336 case MPS_SSU_ENABLE_SSD_ENABLE_HDD:
1337 target->stop_at_shutdown = TRUE;
1338 break;
1339 case MPS_SSU_ENABLE_SSD_DISABLE_HDD:
1340 default:
1341 target->stop_at_shutdown = TRUE;
1342 if ((target->flags &
1343 MPS_TARGET_IS_SATA_SSD) == 0) {
1344 target->stop_at_shutdown = FALSE;
1345 }
1346 break;
1347 }
1348 }
1349 }
1350 mpssas_SSU_to_SATA_devices(sc, howto);
1351 }
1352