1 /*-
2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2016 Avago Technologies
4 * Copyright 2000-2020 Broadcom Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * Broadcom Inc. (LSI) MPT-Fusion Host Adapter FreeBSD
29 */
30
31 #include <sys/cdefs.h>
32 /* Communications core for Avago Technologies (LSI) MPT3 */
33
34 /* TODO Move headers to mprvar */
35 #include <sys/types.h>
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/selinfo.h>
40 #include <sys/module.h>
41 #include <sys/bus.h>
42 #include <sys/conf.h>
43 #include <sys/bio.h>
44 #include <sys/malloc.h>
45 #include <sys/uio.h>
46 #include <sys/sysctl.h>
47 #include <sys/endian.h>
48 #include <sys/proc.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 #include <sys/stdarg.h>
55
56 #include <machine/bus.h>
57 #include <machine/resource.h>
58 #include <sys/rman.h>
59
60 #include <cam/cam.h>
61 #include <cam/cam_ccb.h>
62 #include <cam/cam_debug.h>
63 #include <cam/cam_sim.h>
64 #include <cam/cam_xpt_sim.h>
65 #include <cam/cam_xpt_periph.h>
66 #include <cam/cam_periph.h>
67 #include <cam/scsi/scsi_all.h>
68 #include <cam/scsi/scsi_message.h>
69
70 #include <dev/mpr/mpi/mpi2_type.h>
71 #include <dev/mpr/mpi/mpi2.h>
72 #include <dev/mpr/mpi/mpi2_ioc.h>
73 #include <dev/mpr/mpi/mpi2_sas.h>
74 #include <dev/mpr/mpi/mpi2_pci.h>
75 #include <dev/mpr/mpi/mpi2_cnfg.h>
76 #include <dev/mpr/mpi/mpi2_init.h>
77 #include <dev/mpr/mpi/mpi2_raid.h>
78 #include <dev/mpr/mpi/mpi2_tool.h>
79 #include <dev/mpr/mpr_ioctl.h>
80 #include <dev/mpr/mprvar.h>
81 #include <dev/mpr/mpr_table.h>
82 #include <dev/mpr/mpr_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 mpr_fw_event_work {
89 u16 event;
90 void *event_data;
91 TAILQ_ENTRY(mpr_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 mprsas_fw_work(struct mpr_softc *sc,
116 struct mpr_fw_event_work *fw_event);
117 static void mprsas_fw_event_free(struct mpr_softc *,
118 struct mpr_fw_event_work *);
119 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
120 static int mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle,
121 u8 linkrate);
122 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
123 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
124 u32 devinfo);
125 static void mprsas_ata_id_complete(struct mpr_softc *, struct mpr_command *);
126 static void mprsas_ata_id_timeout(struct mpr_softc *, struct mpr_command *);
127 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
128 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
129 static int mprsas_volume_add(struct mpr_softc *sc,
130 u16 handle);
131 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto);
132 static void mprsas_stop_unit_done(struct cam_periph *periph,
133 union ccb *done_ccb);
134
135 void
mprsas_evt_handler(struct mpr_softc * sc,uintptr_t data,MPI2_EVENT_NOTIFICATION_REPLY * event)136 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
137 MPI2_EVENT_NOTIFICATION_REPLY *event)
138 {
139 struct mpr_fw_event_work *fw_event;
140 u16 sz;
141
142 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
143 MPR_DPRINT_EVENT(sc, sas, event);
144 mprsas_record_event(sc, event);
145
146 fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
147 M_ZERO|M_NOWAIT);
148 if (!fw_event) {
149 printf("%s: allocate failed for fw_event\n", __func__);
150 return;
151 }
152 sz = le16toh(event->EventDataLength) * 4;
153 fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
154 if (!fw_event->event_data) {
155 printf("%s: allocate failed for event_data\n", __func__);
156 free(fw_event, M_MPR);
157 return;
158 }
159
160 bcopy(event->EventData, fw_event->event_data, sz);
161 fw_event->event = le16toh(event->Event);
162 if ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
163 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
164 fw_event->event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
165 fw_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 ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
175 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
176 fw_event->event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
177 sc->wait_for_port_enable)
178 mprsas_startup_increment(sc->sassc);
179
180 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
181 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
182 }
183
184 static void
mprsas_fw_event_free(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)185 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
186 {
187
188 free(fw_event->event_data, M_MPR);
189 free(fw_event, M_MPR);
190 }
191
192 /**
193 * _mpr_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
mprsas_fw_work(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)201 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
202 {
203 struct mprsas_softc *sassc;
204 sassc = sc->sassc;
205
206 mpr_dprint(sc, MPR_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 uint8_t i;
214
215 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
216 fw_event->event_data;
217
218 mpr_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 (mprsas_add_device(sc,
225 le16toh(phy->AttachedDevHandle),
226 phy->LinkRate)) {
227 mpr_dprint(sc, MPR_ERROR, "%s: "
228 "failed to add device with handle "
229 "0x%x\n", __func__,
230 le16toh(phy->AttachedDevHandle));
231 mprsas_prepare_remove(sassc, le16toh(
232 phy->AttachedDevHandle));
233 }
234 break;
235 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
236 mprsas_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 * mprsas_evt_handler. Decrement it here because the event has
249 * been processed.
250 */
251 mprsas_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 mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
262 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
263 mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
264 sassc->flags &= ~MPRSAS_IN_DISCOVERY;
265 mprsas_discovery_end(sassc);
266 }
267 break;
268 }
269 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
270 {
271 mpr_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, reason;
280 u16 elementType;
281 Mpi2EventDataIrConfigChangeList_t *event_data;
282 struct mprsas_target *targ;
283 unsigned int id;
284
285 event_data = fw_event->event_data;
286 foreign_config = (le32toh(event_data->Flags) &
287 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
288
289 element =
290 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
291 id = mpr_mapping_get_raid_tid_from_handle(sc,
292 element->VolDevHandle);
293
294 mpr_mapping_ir_config_change_event(sc, event_data);
295 for (i = 0; i < event_data->NumElements; i++, element++) {
296 reason = element->ReasonCode;
297 elementType = le16toh(element->ElementFlags) &
298 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
299 /*
300 * check for element type of Phys Disk or Hot Spare
301 */
302 if ((elementType !=
303 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
304 && (elementType !=
305 MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
306 // do next element
307 goto skip_fp_send;
308
309 /*
310 * check for reason of Hide, Unhide, PD Created, or PD
311 * Deleted
312 */
313 if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
314 (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
315 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
316 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
317 goto skip_fp_send;
318
319 // check for a reason of Hide or PD Created
320 if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
321 (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
322 {
323 // build RAID Action message
324 Mpi2RaidActionRequest_t *action;
325 Mpi2RaidActionReply_t *reply = NULL;
326 struct mpr_command *cm;
327 int error = 0;
328 if ((cm = mpr_alloc_command(sc)) == NULL) {
329 printf("%s: command alloc failed\n",
330 __func__);
331 return;
332 }
333
334 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
335 "from "
336 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
337 ":\n");
338 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
339 action->Function = MPI2_FUNCTION_RAID_ACTION;
340 action->Action =
341 MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
342 action->PhysDiskNum = element->PhysDiskNum;
343 cm->cm_desc.Default.RequestFlags =
344 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
345 error = mpr_request_polled(sc, &cm);
346 if (cm != NULL)
347 reply = (Mpi2RaidActionReply_t *)
348 cm->cm_reply;
349 if (error || (reply == NULL)) {
350 /* FIXME */
351 /*
352 * If the poll returns error then we
353 * need to do diag reset
354 */
355 printf("%s: poll for page completed "
356 "with error %d\n", __func__, error);
357 }
358 if (reply && (le16toh(reply->IOCStatus) &
359 MPI2_IOCSTATUS_MASK) !=
360 MPI2_IOCSTATUS_SUCCESS) {
361 mpr_dprint(sc, MPR_ERROR, "%s: error "
362 "sending RaidActionPage; "
363 "iocstatus = 0x%x\n", __func__,
364 le16toh(reply->IOCStatus));
365 }
366
367 if (cm)
368 mpr_free_command(sc, cm);
369 }
370 skip_fp_send:
371 mpr_dprint(sc, MPR_EVENT, "Received "
372 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
373 "code %x:\n", element->ReasonCode);
374 switch (element->ReasonCode) {
375 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
376 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
377 if (!foreign_config) {
378 if (mprsas_volume_add(sc,
379 le16toh(element->VolDevHandle))) {
380 printf("%s: failed to add RAID "
381 "volume with handle 0x%x\n",
382 __func__, le16toh(element->
383 VolDevHandle));
384 }
385 }
386 break;
387 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
388 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
389 /*
390 * Rescan after volume is deleted or removed.
391 */
392 if (!foreign_config) {
393 if (id == MPR_MAP_BAD_ID) {
394 printf("%s: could not get ID "
395 "for volume with handle "
396 "0x%04x\n", __func__,
397 le16toh(element->
398 VolDevHandle));
399 break;
400 }
401
402 targ = &sassc->targets[id];
403 targ->handle = 0x0;
404 targ->encl_slot = 0x0;
405 targ->encl_handle = 0x0;
406 targ->encl_level_valid = 0x0;
407 targ->encl_level = 0x0;
408 targ->connector_name[0] = ' ';
409 targ->connector_name[1] = ' ';
410 targ->connector_name[2] = ' ';
411 targ->connector_name[3] = ' ';
412 targ->exp_dev_handle = 0x0;
413 targ->phy_num = 0x0;
414 targ->linkrate = 0x0;
415 mprsas_rescan_target(sc, targ);
416 printf("RAID target id 0x%x removed\n",
417 targ->tid);
418 }
419 break;
420 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
421 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
422 /*
423 * Phys Disk of a volume has been created. Hide
424 * it from the OS.
425 */
426 targ = mprsas_find_target_by_handle(sassc, 0,
427 element->PhysDiskDevHandle);
428 if (targ == NULL)
429 break;
430 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
431 mprsas_rescan_target(sc, targ);
432 break;
433 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
434 /*
435 * Phys Disk of a volume has been deleted.
436 * Expose it to the OS.
437 */
438 if (mprsas_add_device(sc,
439 le16toh(element->PhysDiskDevHandle), 0)) {
440 printf("%s: failed to add device with "
441 "handle 0x%x\n", __func__,
442 le16toh(element->
443 PhysDiskDevHandle));
444 mprsas_prepare_remove(sassc,
445 le16toh(element->
446 PhysDiskDevHandle));
447 }
448 break;
449 }
450 }
451 /*
452 * refcount was incremented for this event in
453 * mprsas_evt_handler. Decrement it here because the event has
454 * been processed.
455 */
456 mprsas_startup_decrement(sassc);
457 break;
458 }
459 case MPI2_EVENT_IR_VOLUME:
460 {
461 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
462
463 /*
464 * Informational only.
465 */
466 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
467 switch (event_data->ReasonCode) {
468 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
469 mpr_dprint(sc, MPR_EVENT, " Volume Settings "
470 "changed from 0x%x to 0x%x for Volome with "
471 "handle 0x%x", le32toh(event_data->PreviousValue),
472 le32toh(event_data->NewValue),
473 le16toh(event_data->VolDevHandle));
474 break;
475 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
476 mpr_dprint(sc, MPR_EVENT, " Volume Status "
477 "changed from 0x%x to 0x%x for Volome with "
478 "handle 0x%x", le32toh(event_data->PreviousValue),
479 le32toh(event_data->NewValue),
480 le16toh(event_data->VolDevHandle));
481 break;
482 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
483 mpr_dprint(sc, MPR_EVENT, " Volume State "
484 "changed from 0x%x to 0x%x for Volome with "
485 "handle 0x%x", le32toh(event_data->PreviousValue),
486 le32toh(event_data->NewValue),
487 le16toh(event_data->VolDevHandle));
488 u32 state;
489 struct mprsas_target *targ;
490 state = le32toh(event_data->NewValue);
491 switch (state) {
492 case MPI2_RAID_VOL_STATE_MISSING:
493 case MPI2_RAID_VOL_STATE_FAILED:
494 mprsas_prepare_volume_remove(sassc,
495 event_data->VolDevHandle);
496 break;
497
498 case MPI2_RAID_VOL_STATE_ONLINE:
499 case MPI2_RAID_VOL_STATE_DEGRADED:
500 case MPI2_RAID_VOL_STATE_OPTIMAL:
501 targ =
502 mprsas_find_target_by_handle(sassc,
503 0, event_data->VolDevHandle);
504 if (targ) {
505 printf("%s %d: Volume handle "
506 "0x%x is already added \n",
507 __func__, __LINE__,
508 event_data->VolDevHandle);
509 break;
510 }
511 if (mprsas_volume_add(sc,
512 le16toh(event_data->
513 VolDevHandle))) {
514 printf("%s: failed to add RAID "
515 "volume with handle 0x%x\n",
516 __func__, le16toh(
517 event_data->VolDevHandle));
518 }
519 break;
520 default:
521 break;
522 }
523 break;
524 default:
525 break;
526 }
527 break;
528 }
529 case MPI2_EVENT_IR_PHYSICAL_DISK:
530 {
531 Mpi2EventDataIrPhysicalDisk_t *event_data =
532 fw_event->event_data;
533 struct mprsas_target *targ;
534
535 /*
536 * Informational only.
537 */
538 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
539 switch (event_data->ReasonCode) {
540 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
541 mpr_dprint(sc, MPR_EVENT, " Phys Disk Settings "
542 "changed from 0x%x to 0x%x for Phys Disk Number "
543 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
544 "%d", le32toh(event_data->PreviousValue),
545 le32toh(event_data->NewValue),
546 event_data->PhysDiskNum,
547 le16toh(event_data->PhysDiskDevHandle),
548 le16toh(event_data->EnclosureHandle),
549 le16toh(event_data->Slot));
550 break;
551 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
552 mpr_dprint(sc, MPR_EVENT, " Phys Disk Status changed "
553 "from 0x%x to 0x%x for Phys Disk Number %d and "
554 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
555 le32toh(event_data->PreviousValue),
556 le32toh(event_data->NewValue),
557 event_data->PhysDiskNum,
558 le16toh(event_data->PhysDiskDevHandle),
559 le16toh(event_data->EnclosureHandle),
560 le16toh(event_data->Slot));
561 break;
562 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
563 mpr_dprint(sc, MPR_EVENT, " Phys Disk State changed "
564 "from 0x%x to 0x%x for Phys Disk Number %d and "
565 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
566 le32toh(event_data->PreviousValue),
567 le32toh(event_data->NewValue),
568 event_data->PhysDiskNum,
569 le16toh(event_data->PhysDiskDevHandle),
570 le16toh(event_data->EnclosureHandle),
571 le16toh(event_data->Slot));
572 switch (event_data->NewValue) {
573 case MPI2_RAID_PD_STATE_ONLINE:
574 case MPI2_RAID_PD_STATE_DEGRADED:
575 case MPI2_RAID_PD_STATE_REBUILDING:
576 case MPI2_RAID_PD_STATE_OPTIMAL:
577 case MPI2_RAID_PD_STATE_HOT_SPARE:
578 targ = mprsas_find_target_by_handle(
579 sassc, 0,
580 event_data->PhysDiskDevHandle);
581 if (targ) {
582 targ->flags |=
583 MPR_TARGET_FLAGS_RAID_COMPONENT;
584 printf("%s %d: Found Target "
585 "for handle 0x%x.\n",
586 __func__, __LINE__ ,
587 event_data->
588 PhysDiskDevHandle);
589 }
590 break;
591 case MPI2_RAID_PD_STATE_OFFLINE:
592 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
593 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
594 default:
595 targ = mprsas_find_target_by_handle(
596 sassc, 0,
597 event_data->PhysDiskDevHandle);
598 if (targ) {
599 targ->flags |=
600 ~MPR_TARGET_FLAGS_RAID_COMPONENT;
601 printf("%s %d: Found Target "
602 "for handle 0x%x. \n",
603 __func__, __LINE__ ,
604 event_data->
605 PhysDiskDevHandle);
606 }
607 break;
608 }
609 default:
610 break;
611 }
612 break;
613 }
614 case MPI2_EVENT_IR_OPERATION_STATUS:
615 {
616 Mpi2EventDataIrOperationStatus_t *event_data =
617 fw_event->event_data;
618
619 /*
620 * Informational only.
621 */
622 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
623 mpr_dprint(sc, MPR_EVENT, " RAID Operation of %d is %d "
624 "percent complete for Volume with handle 0x%x",
625 event_data->RAIDOperation, event_data->PercentComplete,
626 le16toh(event_data->VolDevHandle));
627 break;
628 }
629 case MPI2_EVENT_TEMP_THRESHOLD:
630 {
631 pMpi2EventDataTemperature_t temp_event;
632
633 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
634
635 /*
636 * The Temp Sensor Count must be greater than the event's Sensor
637 * Num to be valid. If valid, print the temp thresholds that
638 * have been exceeded.
639 */
640 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
641 mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
642 "%s %s %s %s exceeded for Sensor: %d !!!\n",
643 ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
644 ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
645 ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
646 ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
647 temp_event->SensorNum);
648 mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
649 "%d\n", temp_event->CurrentTemperature);
650 }
651 break;
652 }
653 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
654 {
655 pMpi26EventDataActiveCableExcept_t ace_event_data;
656 ace_event_data =
657 (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
658
659 switch(ace_event_data->ReasonCode) {
660 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
661 {
662 mpr_printf(sc, "Currently a cable with "
663 "ReceptacleID %d cannot be powered and device "
664 "connected to this active cable will not be seen. "
665 "This active cable requires %d mW of power.\n",
666 ace_event_data->ReceptacleID,
667 ace_event_data->ActiveCablePowerRequirement);
668 break;
669 }
670 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
671 {
672 mpr_printf(sc, "Currently a cable with "
673 "ReceptacleID %d is not running at optimal speed "
674 "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
675 break;
676 }
677 default:
678 break;
679 }
680 break;
681 }
682 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
683 {
684 pMpi26EventDataPCIeDeviceStatusChange_t pcie_status_event_data;
685 pcie_status_event_data =
686 (pMpi26EventDataPCIeDeviceStatusChange_t)fw_event->event_data;
687
688 switch (pcie_status_event_data->ReasonCode) {
689 case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
690 {
691 mpr_printf(sc, "PCIe Host Reset failed on DevHandle "
692 "0x%x\n", pcie_status_event_data->DevHandle);
693 break;
694 }
695 default:
696 break;
697 }
698 break;
699 }
700 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
701 {
702 pMpi25EventDataSasDeviceDiscoveryError_t discovery_error_data;
703 uint64_t sas_address;
704
705 discovery_error_data =
706 (pMpi25EventDataSasDeviceDiscoveryError_t)
707 fw_event->event_data;
708
709 sas_address = discovery_error_data->SASAddress.High;
710 sas_address = (sas_address << 32) |
711 discovery_error_data->SASAddress.Low;
712
713 switch(discovery_error_data->ReasonCode) {
714 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
715 {
716 mpr_printf(sc, "SMP command failed during discovery "
717 "for expander with SAS Address %jx and "
718 "handle 0x%x.\n", sas_address,
719 discovery_error_data->DevHandle);
720 break;
721 }
722 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
723 {
724 mpr_printf(sc, "SMP command timed out during "
725 "discovery for expander with SAS Address %jx and "
726 "handle 0x%x.\n", sas_address,
727 discovery_error_data->DevHandle);
728 break;
729 }
730 default:
731 break;
732 }
733 break;
734 }
735 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
736 {
737 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
738 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
739 uint8_t i, link_rate;
740 uint16_t handle;
741
742 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
743 fw_event->event_data;
744
745 mpr_mapping_pcie_topology_change_event(sc,
746 fw_event->event_data);
747
748 for (i = 0; i < data->NumEntries; i++) {
749 port_entry = &data->PortEntry[i];
750 handle = le16toh(port_entry->AttachedDevHandle);
751 link_rate = port_entry->CurrentPortInfo &
752 MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
753 switch (port_entry->PortStatus) {
754 case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
755 if (link_rate <
756 MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
757 mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
758 "add PCIe device with handle 0x%x "
759 "with unknown link rate.\n",
760 __func__, handle);
761 break;
762 }
763 if (mprsas_add_pcie_device(sc, handle,
764 link_rate)) {
765 mpr_dprint(sc, MPR_ERROR, "%s: failed "
766 "to add PCIe device with handle "
767 "0x%x\n", __func__, handle);
768 mprsas_prepare_remove(sassc, handle);
769 }
770 break;
771 case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
772 mprsas_prepare_remove(sassc, handle);
773 break;
774 case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
775 case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
776 case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
777 default:
778 break;
779 }
780 }
781 /*
782 * refcount was incremented for this event in
783 * mprsas_evt_handler. Decrement it here because the event has
784 * been processed.
785 */
786 mprsas_startup_decrement(sassc);
787 break;
788 }
789 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
790 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
791 default:
792 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
793 fw_event->event);
794 break;
795 }
796 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
797 __func__, fw_event->event);
798 mprsas_fw_event_free(sc, fw_event);
799 }
800
801 void
mprsas_firmware_event_work(void * arg,int pending)802 mprsas_firmware_event_work(void *arg, int pending)
803 {
804 struct mpr_fw_event_work *fw_event;
805 struct mpr_softc *sc;
806
807 sc = (struct mpr_softc *)arg;
808 mpr_lock(sc);
809 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
810 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
811 mprsas_fw_work(sc, fw_event);
812 }
813 mpr_unlock(sc);
814 }
815
816 static int
mprsas_add_device(struct mpr_softc * sc,u16 handle,u8 linkrate)817 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
818 {
819 char devstring[80];
820 struct mprsas_softc *sassc;
821 struct mprsas_target *targ;
822 Mpi2ConfigReply_t mpi_reply;
823 Mpi2SasDevicePage0_t config_page;
824 uint64_t sas_address, parent_sas_address = 0;
825 u32 device_info, parent_devinfo = 0;
826 unsigned int id;
827 int ret = 1, error = 0, i;
828 struct mprsas_lun *lun;
829 u8 is_SATA_SSD = 0;
830 struct mpr_command *cm;
831
832 sassc = sc->sassc;
833 mprsas_startup_increment(sassc);
834 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
835 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
836 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
837 "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
838 handle, mpi_reply.IOCStatus);
839 error = ENXIO;
840 goto out;
841 }
842
843 device_info = le32toh(config_page.DeviceInfo);
844
845 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
846 && (le16toh(config_page.ParentDevHandle) != 0)) {
847 Mpi2ConfigReply_t tmp_mpi_reply;
848 Mpi2SasDevicePage0_t parent_config_page;
849
850 if (mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
851 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
852 le16toh(config_page.ParentDevHandle)) != 0) {
853 mpr_dprint(sc, MPR_MAPPING|MPR_FAULT,
854 "Error reading parent SAS device %#x page0, "
855 "iocstatus= 0x%x\n",
856 le16toh(config_page.ParentDevHandle),
857 tmp_mpi_reply.IOCStatus);
858 } else {
859 parent_sas_address = parent_config_page.SASAddress.High;
860 parent_sas_address = (parent_sas_address << 32) |
861 parent_config_page.SASAddress.Low;
862 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
863 }
864 }
865 sas_address = htole32(config_page.SASAddress.High);
866 sas_address = (sas_address << 32) | htole32(config_page.SASAddress.Low);
867 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address from SAS device "
868 "page0 = %jx\n", handle, sas_address);
869
870 /*
871 * Always get SATA Identify information because this is used to
872 * determine if Start/Stop Unit should be sent to the drive when the
873 * system is shutdown.
874 */
875 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
876 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
877 handle, device_info, &is_SATA_SSD);
878 if (ret) {
879 mpr_dprint(sc, MPR_MAPPING|MPR_ERROR,
880 "%s: failed to get disk type (SSD or HDD) for SATA "
881 "device with handle 0x%04x\n",
882 __func__, handle);
883 } else {
884 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address "
885 "from SATA device = %jx\n", handle, sas_address);
886 }
887 }
888
889 /*
890 * use_phynum:
891 * 1 - use the PhyNum field as a fallback to the mapping logic
892 * 0 - never use the PhyNum field
893 * -1 - only use the PhyNum field
894 *
895 * Note that using the Phy number to map a device can cause device adds
896 * to fail if multiple enclosures/expanders are in the topology. For
897 * example, if two devices are in the same slot number in two different
898 * enclosures within the topology, only one of those devices will be
899 * added. PhyNum mapping should not be used if multiple enclosures are
900 * in the topology.
901 */
902 id = MPR_MAP_BAD_ID;
903 if (sc->use_phynum != -1)
904 id = mpr_mapping_get_tid(sc, sas_address, handle);
905 if (id == MPR_MAP_BAD_ID) {
906 if ((sc->use_phynum == 0) ||
907 ((id = config_page.PhyNum) > sassc->maxtargets)) {
908 mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
909 "Could not get ID for device with handle 0x%04x\n",
910 __FILE__, __LINE__, __func__, handle);
911 error = ENXIO;
912 goto out;
913 }
914 }
915 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
916 __func__, id);
917
918 /*
919 * Only do the ID check and reuse check if the target is not from a
920 * RAID Component. For Physical Disks of a Volume, the ID will be reused
921 * when a volume is deleted because the mapping entry for the PD will
922 * still be in the mapping table. The ID check should not be done here
923 * either since this PD is already being used.
924 */
925 targ = &sassc->targets[id];
926 if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
927 if (mprsas_check_id(sassc, id) != 0) {
928 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
929 "Excluding target id %d\n", id);
930 error = ENXIO;
931 goto out;
932 }
933
934 if (targ->handle != 0x0) {
935 mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
936 "target id %d handle 0x%04x\n", id, targ->handle);
937 error = ENXIO;
938 goto out;
939 }
940 }
941
942 targ->devinfo = device_info;
943 targ->devname = le32toh(config_page.DeviceName.High);
944 targ->devname = (targ->devname << 32) |
945 le32toh(config_page.DeviceName.Low);
946 targ->encl_handle = le16toh(config_page.EnclosureHandle);
947 targ->encl_slot = le16toh(config_page.Slot);
948 targ->encl_level = config_page.EnclosureLevel;
949 targ->connector_name[0] = config_page.ConnectorName[0];
950 targ->connector_name[1] = config_page.ConnectorName[1];
951 targ->connector_name[2] = config_page.ConnectorName[2];
952 targ->connector_name[3] = config_page.ConnectorName[3];
953 targ->handle = handle;
954 targ->parent_handle = le16toh(config_page.ParentDevHandle);
955 targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
956 targ->parent_sasaddr = le64toh(parent_sas_address);
957 targ->parent_devinfo = parent_devinfo;
958 targ->tid = id;
959 targ->linkrate = (linkrate>>4);
960 targ->flags = 0;
961 if (is_SATA_SSD) {
962 targ->flags = MPR_TARGET_IS_SATA_SSD;
963 }
964 if ((le16toh(config_page.Flags) &
965 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
966 (le16toh(config_page.Flags) &
967 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
968 targ->scsi_req_desc_type =
969 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
970 }
971 if (le16toh(config_page.Flags) &
972 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
973 targ->encl_level_valid = TRUE;
974 }
975 TAILQ_INIT(&targ->commands);
976 TAILQ_INIT(&targ->timedout_commands);
977 while (!SLIST_EMPTY(&targ->luns)) {
978 lun = SLIST_FIRST(&targ->luns);
979 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
980 free(lun, M_MPR);
981 }
982 SLIST_INIT(&targ->luns);
983
984 mpr_describe_devinfo(targ->devinfo, devstring, 80);
985 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
986 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
987 mpr_describe_table(mpr_linkrate_names, targ->linkrate),
988 targ->handle, targ->encl_handle, targ->encl_slot);
989 if (targ->encl_level_valid) {
990 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
991 "and connector name (%4s)\n", targ->encl_level,
992 targ->connector_name);
993 }
994 mprsas_rescan_target(sc, targ);
995 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
996
997 /*
998 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
999 * If so, send a Target Reset TM to the target that was just created.
1000 * An Abort Task TM should be used instead of a Target Reset, but that
1001 * would be much more difficult because targets have not been fully
1002 * discovered yet, and LUN's haven't been setup. So, just reset the
1003 * target instead of the LUN. The commands should complete once
1004 * the target has been reset.
1005 */
1006 for (i = 1; i < sc->num_reqs; i++) {
1007 cm = &sc->commands[i];
1008 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1009 targ->timeouts++;
1010 cm->cm_flags |= MPR_CM_FLAGS_TIMEDOUT;
1011
1012 if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1013 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
1014 "Reset for stuck SATA identify command "
1015 "(cm = %p)\n", __func__, cm);
1016 targ->tm->cm_targ = targ;
1017 mprsas_send_reset(sc, targ->tm,
1018 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1019 } else {
1020 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
1021 "tm for Target Reset after SATA ID command "
1022 "timed out (cm %p)\n", cm);
1023 }
1024 /*
1025 * No need to check for more since the target is
1026 * already being reset.
1027 */
1028 break;
1029 }
1030 }
1031 out:
1032 mprsas_startup_decrement(sassc);
1033 return (error);
1034 }
1035
1036 int
mprsas_get_sas_address_for_sata_disk(struct mpr_softc * sc,u64 * sas_address,u16 handle,u32 device_info,u8 * is_SATA_SSD)1037 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
1038 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
1039 {
1040 Mpi2SataPassthroughReply_t mpi_reply;
1041 int i, rc, try_count;
1042 u32 *bufferptr;
1043 union _sata_sas_address hash_address;
1044 struct _ata_identify_device_data ata_identify;
1045 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1046 u32 ioc_status;
1047 u8 sas_status;
1048
1049 memset(&ata_identify, 0, sizeof(ata_identify));
1050 memset(&mpi_reply, 0, sizeof(mpi_reply));
1051 try_count = 0;
1052 do {
1053 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1054 (char *)&ata_identify, sizeof(ata_identify), device_info);
1055 try_count++;
1056 ioc_status = le16toh(mpi_reply.IOCStatus)
1057 & MPI2_IOCSTATUS_MASK;
1058 sas_status = mpi_reply.SASStatus;
1059 switch (ioc_status) {
1060 case MPI2_IOCSTATUS_SUCCESS:
1061 break;
1062 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1063 /* No sense sleeping. this error won't get better */
1064 break;
1065 default:
1066 if (sc->spinup_wait_time > 0) {
1067 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1068 "after SATA ID error to wait for spinup\n",
1069 sc->spinup_wait_time);
1070 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1071 "mprid", sc->spinup_wait_time * hz);
1072 }
1073 }
1074 } while (((rc && (rc != EWOULDBLOCK)) ||
1075 (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1076 || sas_status) && (try_count < 5));
1077
1078 if (rc == 0 && !ioc_status && !sas_status) {
1079 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1080 "successfully for handle = 0x%x with try_count = %d\n",
1081 __func__, handle, try_count);
1082 } else {
1083 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1084 __func__, handle);
1085 return -1;
1086 }
1087 /* Copy & byteswap the 40 byte model number to a buffer */
1088 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1089 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1090 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1091 }
1092 /* Copy & byteswap the 20 byte serial number to a buffer */
1093 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1094 buffer[MPT2SAS_MN_LEN + i] =
1095 ((u8 *)ata_identify.serial_number)[i + 1];
1096 buffer[MPT2SAS_MN_LEN + i + 1] =
1097 ((u8 *)ata_identify.serial_number)[i];
1098 }
1099 bufferptr = (u32 *)buffer;
1100 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1101 * so loop through the first 56 bytes (7*8),
1102 * and then add in the last dword.
1103 */
1104 hash_address.word.low = 0;
1105 hash_address.word.high = 0;
1106 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1107 hash_address.word.low += *bufferptr;
1108 bufferptr++;
1109 hash_address.word.high += *bufferptr;
1110 bufferptr++;
1111 }
1112 /* Add the last dword */
1113 hash_address.word.low += *bufferptr;
1114 /* Make sure the hash doesn't start with 5, because it could clash
1115 * with a SAS address. Change 5 to a D.
1116 */
1117 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1118 hash_address.word.high |= 0x00000080;
1119 *sas_address = (u64)hash_address.wwid[0] << 56 |
1120 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1121 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1122 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
1123 (u64)hash_address.wwid[7];
1124 if (ata_identify.rotational_speed == 1) {
1125 *is_SATA_SSD = 1;
1126 }
1127
1128 return 0;
1129 }
1130
1131 static int
mprsas_get_sata_identify(struct mpr_softc * sc,u16 handle,Mpi2SataPassthroughReply_t * mpi_reply,char * id_buffer,int sz,u32 devinfo)1132 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1133 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1134 {
1135 Mpi2SataPassthroughRequest_t *mpi_request;
1136 Mpi2SataPassthroughReply_t *reply;
1137 struct mpr_command *cm;
1138 char *buffer;
1139 int error = 0;
1140
1141 buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1142 if (!buffer)
1143 return ENOMEM;
1144
1145 if ((cm = mpr_alloc_command(sc)) == NULL) {
1146 free(buffer, M_MPR);
1147 return (EBUSY);
1148 }
1149 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1150 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1151 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1152 mpi_request->VF_ID = 0;
1153 mpi_request->DevHandle = htole16(handle);
1154 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1155 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1156 mpi_request->DataLength = htole32(sz);
1157 mpi_request->CommandFIS[0] = 0x27;
1158 mpi_request->CommandFIS[1] = 0x80;
1159 mpi_request->CommandFIS[2] = (devinfo &
1160 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1161 cm->cm_sge = &mpi_request->SGL;
1162 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1163 cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1164 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1165 cm->cm_data = buffer;
1166 cm->cm_length = htole32(sz);
1167
1168 /*
1169 * Use a custom handler to avoid reinit'ing the controller on timeout.
1170 * This fixes a problem where the FW does not send a reply sometimes
1171 * when a bad disk is in the topology. So, this is used to timeout the
1172 * command so that processing can continue normally.
1173 */
1174 cm->cm_timeout_handler = mprsas_ata_id_timeout;
1175
1176 error = mpr_wait_command(sc, &cm, MPR_ATA_ID_TIMEOUT, CAN_SLEEP);
1177
1178 /* mprsas_ata_id_timeout does not reset controller */
1179 KASSERT(cm != NULL, ("%s: surprise command freed", __func__));
1180
1181 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1182 if (error || (reply == NULL)) {
1183 /* FIXME */
1184 /*
1185 * If the request returns an error then we need to do a diag
1186 * reset
1187 */
1188 mpr_dprint(sc, MPR_INFO|MPR_FAULT|MPR_MAPPING,
1189 "Request for SATA PASSTHROUGH page completed with error %d\n",
1190 error);
1191 error = ENXIO;
1192 goto out;
1193 }
1194 bcopy(buffer, id_buffer, sz);
1195 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1196 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1197 MPI2_IOCSTATUS_SUCCESS) {
1198 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
1199 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
1200 handle, reply->IOCStatus);
1201 error = ENXIO;
1202 goto out;
1203 }
1204 out:
1205 /*
1206 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1207 * it. The command and buffer will be freed after we send a Target
1208 * Reset TM and the command comes back from the controller.
1209 */
1210 if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0) {
1211 mpr_free_command(sc, cm);
1212 free(buffer, M_MPR);
1213 }
1214 return (error);
1215 }
1216
1217 /*
1218 * This is completion handler to make sure that commands and allocated
1219 * buffers get freed when timed out SATA ID commands finally complete after
1220 * we've reset the target. In the normal case, we wait for the command to
1221 * complete.
1222 */
1223 static void
mprsas_ata_id_complete(struct mpr_softc * sc,struct mpr_command * cm)1224 mprsas_ata_id_complete(struct mpr_softc *sc, struct mpr_command *cm)
1225 {
1226 mpr_dprint(sc, MPR_INFO, "%s ATA ID completed late cm %p sc %p\n",
1227 __func__, cm, sc);
1228
1229 free(cm->cm_data, M_MPR);
1230 mpr_free_command(sc, cm);
1231 }
1232
1233 static void
mprsas_ata_id_timeout(struct mpr_softc * sc,struct mpr_command * cm)1234 mprsas_ata_id_timeout(struct mpr_softc *sc, struct mpr_command *cm)
1235 {
1236
1237 mpr_dprint(sc, MPR_INFO, "%s ATA ID command timeout cm %p sc %p\n",
1238 __func__, cm, sc);
1239
1240 /*
1241 * The Abort Task cannot be sent from here because the driver has not
1242 * completed setting up targets. Instead, the command is flagged so
1243 * that special handling will be used to send the abort. Now that
1244 * this command has timed out, it's no longer in the queue.
1245 */
1246 cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1247
1248 /*
1249 * Since we will no longer be waiting for the command to complete,
1250 * set a completion handler to make sure we free all resources.
1251 */
1252 cm->cm_complete = mprsas_ata_id_complete;
1253 }
1254
1255 static int
mprsas_add_pcie_device(struct mpr_softc * sc,u16 handle,u8 linkrate)1256 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1257 {
1258 char devstring[80];
1259 struct mprsas_softc *sassc;
1260 struct mprsas_target *targ;
1261 Mpi2ConfigReply_t mpi_reply;
1262 Mpi26PCIeDevicePage0_t config_page;
1263 Mpi26PCIeDevicePage2_t config_page2;
1264 uint64_t pcie_wwid, parent_wwid = 0;
1265 u32 device_info, parent_devinfo = 0;
1266 unsigned int id;
1267 int error = 0;
1268 struct mprsas_lun *lun;
1269
1270 sassc = sc->sassc;
1271 mprsas_startup_increment(sassc);
1272 if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1273 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1274 printf("%s: error reading PCIe device page0\n", __func__);
1275 error = ENXIO;
1276 goto out;
1277 }
1278
1279 device_info = le32toh(config_page.DeviceInfo);
1280
1281 if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1282 && (le16toh(config_page.ParentDevHandle) != 0)) {
1283 Mpi2ConfigReply_t tmp_mpi_reply;
1284 Mpi26PCIeDevicePage0_t parent_config_page;
1285
1286 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1287 &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1288 le16toh(config_page.ParentDevHandle)))) {
1289 printf("%s: error reading PCIe device %#x page0\n",
1290 __func__, le16toh(config_page.ParentDevHandle));
1291 } else {
1292 parent_wwid = parent_config_page.WWID.High;
1293 parent_wwid = (parent_wwid << 32) |
1294 parent_config_page.WWID.Low;
1295 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1296 }
1297 }
1298 /* TODO Check proper endianness */
1299 pcie_wwid = config_page.WWID.High;
1300 pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1301 mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1302 pcie_wwid);
1303
1304 if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1305 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1306 printf("%s: error reading PCIe device page2\n", __func__);
1307 error = ENXIO;
1308 goto out;
1309 }
1310
1311 id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1312 if (id == MPR_MAP_BAD_ID) {
1313 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1314 "Could not get ID for device with handle 0x%04x\n",
1315 __FILE__, __LINE__, __func__, handle);
1316 error = ENXIO;
1317 goto out;
1318 }
1319 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1320 __func__, id);
1321
1322 if (mprsas_check_id(sassc, id) != 0) {
1323 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
1324 "Excluding target id %d\n", id);
1325 error = ENXIO;
1326 goto out;
1327 }
1328
1329 mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1330 pcie_wwid);
1331 targ = &sassc->targets[id];
1332 targ->devinfo = device_info;
1333 targ->encl_handle = le16toh(config_page.EnclosureHandle);
1334 targ->encl_slot = le16toh(config_page.Slot);
1335 targ->encl_level = config_page.EnclosureLevel;
1336 targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1337 targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1338 targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1339 targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1340 targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1341 targ->MDTS = config_page2.MaximumDataTransferSize;
1342 if (targ->is_nvme)
1343 targ->controller_reset_timeout = config_page2.ControllerResetTO;
1344 /*
1345 * Assume always TRUE for encl_level_valid because there is no valid
1346 * flag for PCIe.
1347 */
1348 targ->encl_level_valid = TRUE;
1349 targ->handle = handle;
1350 targ->parent_handle = le16toh(config_page.ParentDevHandle);
1351 targ->sasaddr = mpr_to_u64(&config_page.WWID);
1352 targ->parent_sasaddr = le64toh(parent_wwid);
1353 targ->parent_devinfo = parent_devinfo;
1354 targ->tid = id;
1355 targ->linkrate = linkrate;
1356 targ->flags = 0;
1357 if ((le16toh(config_page.Flags) &
1358 MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1359 (le16toh(config_page.Flags) &
1360 MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1361 targ->scsi_req_desc_type =
1362 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1363 }
1364 TAILQ_INIT(&targ->commands);
1365 TAILQ_INIT(&targ->timedout_commands);
1366 while (!SLIST_EMPTY(&targ->luns)) {
1367 lun = SLIST_FIRST(&targ->luns);
1368 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1369 free(lun, M_MPR);
1370 }
1371 SLIST_INIT(&targ->luns);
1372
1373 mpr_describe_devinfo(targ->devinfo, devstring, 80);
1374 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1375 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1376 mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1377 targ->handle, targ->encl_handle, targ->encl_slot);
1378 if (targ->encl_level_valid) {
1379 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1380 "and connector name (%4s)\n", targ->encl_level,
1381 targ->connector_name);
1382 }
1383 mprsas_rescan_target(sc, targ);
1384 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1385
1386 out:
1387 mprsas_startup_decrement(sassc);
1388 return (error);
1389 }
1390
1391 static int
mprsas_volume_add(struct mpr_softc * sc,u16 handle)1392 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1393 {
1394 struct mprsas_softc *sassc;
1395 struct mprsas_target *targ;
1396 u64 wwid;
1397 unsigned int id;
1398 int error = 0;
1399 struct mprsas_lun *lun;
1400
1401 sassc = sc->sassc;
1402 mprsas_startup_increment(sassc);
1403 /* wwid is endian safe */
1404 mpr_config_get_volume_wwid(sc, handle, &wwid);
1405 if (!wwid) {
1406 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1407 __func__);
1408 error = ENXIO;
1409 goto out;
1410 }
1411
1412 id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1413 if (id == MPR_MAP_BAD_ID) {
1414 printf("%s: could not get ID for volume with handle 0x%04x and "
1415 "WWID 0x%016llx\n", __func__, handle,
1416 (unsigned long long)wwid);
1417 error = ENXIO;
1418 goto out;
1419 }
1420
1421 targ = &sassc->targets[id];
1422 targ->tid = id;
1423 targ->handle = handle;
1424 targ->devname = wwid;
1425 targ->flags = MPR_TARGET_FLAGS_VOLUME;
1426 TAILQ_INIT(&targ->commands);
1427 TAILQ_INIT(&targ->timedout_commands);
1428 while (!SLIST_EMPTY(&targ->luns)) {
1429 lun = SLIST_FIRST(&targ->luns);
1430 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1431 free(lun, M_MPR);
1432 }
1433 SLIST_INIT(&targ->luns);
1434 mprsas_rescan_target(sc, targ);
1435 mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1436 targ->tid, wwid);
1437 out:
1438 mprsas_startup_decrement(sassc);
1439 return (error);
1440 }
1441
1442 /**
1443 * mprsas_SSU_to_SATA_devices
1444 * @sc: per adapter object
1445 *
1446 * Looks through the target list and issues a StartStopUnit SCSI command to each
1447 * SATA direct-access device. This helps to ensure that data corruption is
1448 * avoided when the system is being shut down. This must be called after the IR
1449 * System Shutdown RAID Action is sent if in IR mode.
1450 *
1451 * Return nothing.
1452 */
1453 static void
mprsas_SSU_to_SATA_devices(struct mpr_softc * sc,int howto)1454 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto)
1455 {
1456 struct mprsas_softc *sassc = sc->sassc;
1457 union ccb *ccb;
1458 path_id_t pathid = cam_sim_path(sassc->sim);
1459 target_id_t targetid;
1460 struct mprsas_target *target;
1461 char path_str[64];
1462 int timeout;
1463
1464 mpr_lock(sc);
1465
1466 /*
1467 * For each target, issue a StartStopUnit command to stop the device.
1468 */
1469 sc->SSU_started = TRUE;
1470 sc->SSU_refcount = 0;
1471 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1472 target = &sassc->targets[targetid];
1473 if (target->handle == 0x0) {
1474 continue;
1475 }
1476
1477 /*
1478 * The stop_at_shutdown flag will be set if this device is
1479 * a SATA direct-access end device.
1480 */
1481 if (target->stop_at_shutdown) {
1482 ccb = xpt_alloc_ccb_nowait();
1483 if (ccb == NULL) {
1484 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1485 "to stop unit.\n");
1486 return;
1487 }
1488
1489 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1490 pathid, targetid, CAM_LUN_WILDCARD) !=
1491 CAM_REQ_CMP) {
1492 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1493 "path to stop unit.\n");
1494 xpt_free_ccb(ccb);
1495 return;
1496 }
1497 xpt_path_string(ccb->ccb_h.path, path_str,
1498 sizeof(path_str));
1499
1500 mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1501 "handle %d\n", path_str, target->handle);
1502
1503 /*
1504 * Issue a START STOP UNIT command for the target.
1505 * Increment the SSU counter to be used to count the
1506 * number of required replies.
1507 */
1508 mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1509 sc->SSU_refcount++;
1510 ccb->ccb_h.target_id =
1511 xpt_path_target_id(ccb->ccb_h.path);
1512 ccb->ccb_h.ppriv_ptr1 = sassc;
1513 scsi_start_stop(&ccb->csio,
1514 /*retries*/0,
1515 mprsas_stop_unit_done,
1516 MSG_SIMPLE_Q_TAG,
1517 /*start*/FALSE,
1518 /*load/eject*/0,
1519 /*immediate*/FALSE,
1520 MPR_SENSE_LEN,
1521 /*timeout*/10000);
1522 xpt_action(ccb);
1523 }
1524 }
1525
1526 mpr_unlock(sc);
1527
1528 /*
1529 * Timeout after 60 seconds by default or 10 seconds if howto has
1530 * RB_NOSYNC set which indicates we're likely handling a panic.
1531 */
1532 timeout = 600;
1533 if (howto & RB_NOSYNC)
1534 timeout = 100;
1535
1536 /*
1537 * Wait until all of the SSU commands have completed or time
1538 * has expired. Pause for 100ms each time through. If any
1539 * command times out, the target will be reset in the SCSI
1540 * command timeout routine.
1541 */
1542 while (sc->SSU_refcount > 0) {
1543 pause("mprwait", hz/10);
1544 if (SCHEDULER_STOPPED())
1545 xpt_sim_poll(sassc->sim);
1546
1547 if (--timeout == 0) {
1548 mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1549 "for SSU commands to complete.\n");
1550 break;
1551 }
1552 }
1553 }
1554
1555 static void
mprsas_stop_unit_done(struct cam_periph * periph,union ccb * done_ccb)1556 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1557 {
1558 struct mprsas_softc *sassc;
1559 char path_str[64];
1560
1561 if (done_ccb == NULL)
1562 return;
1563
1564 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1565
1566 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1567 mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1568 path_str);
1569
1570 /*
1571 * Nothing more to do except free the CCB and path. If the command
1572 * timed out, an abort reset, then target reset will be issued during
1573 * the SCSI Command process.
1574 */
1575 xpt_free_path(done_ccb->ccb_h.path);
1576 xpt_free_ccb(done_ccb);
1577 }
1578
1579 /**
1580 * mprsas_ir_shutdown - IR shutdown notification
1581 * @sc: per adapter object
1582 *
1583 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1584 * the host system is shutting down.
1585 *
1586 * Return nothing.
1587 */
1588 void
mprsas_ir_shutdown(struct mpr_softc * sc,int howto)1589 mprsas_ir_shutdown(struct mpr_softc *sc, int howto)
1590 {
1591 u16 volume_mapping_flags;
1592 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1593 struct dev_mapping_table *mt_entry;
1594 u32 start_idx, end_idx;
1595 unsigned int id, found_volume = 0;
1596 struct mpr_command *cm;
1597 Mpi2RaidActionRequest_t *action;
1598 target_id_t targetid;
1599 struct mprsas_target *target;
1600
1601 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1602
1603 /* is IR firmware build loaded? */
1604 if (!sc->ir_firmware)
1605 goto out;
1606
1607 /* are there any volumes? Look at IR target IDs. */
1608 // TODO-later, this should be looked up in the RAID config structure
1609 // when it is implemented.
1610 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1611 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1612 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1613 start_idx = 0;
1614 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1615 start_idx = 1;
1616 } else
1617 start_idx = sc->max_devices - sc->max_volumes;
1618 end_idx = start_idx + sc->max_volumes - 1;
1619
1620 for (id = start_idx; id < end_idx; id++) {
1621 mt_entry = &sc->mapping_table[id];
1622 if ((mt_entry->physical_id != 0) &&
1623 (mt_entry->missing_count == 0)) {
1624 found_volume = 1;
1625 break;
1626 }
1627 }
1628
1629 if (!found_volume)
1630 goto out;
1631
1632 if ((cm = mpr_alloc_command(sc)) == NULL) {
1633 printf("%s: command alloc failed\n", __func__);
1634 goto out;
1635 }
1636
1637 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1638 action->Function = MPI2_FUNCTION_RAID_ACTION;
1639 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1640 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1641 mpr_lock(sc);
1642 mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1643 mpr_unlock(sc);
1644
1645 /*
1646 * Don't check for reply, just leave.
1647 */
1648 if (cm)
1649 mpr_free_command(sc, cm);
1650
1651 out:
1652 /*
1653 * All of the targets must have the correct value set for
1654 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1655 *
1656 * The possible values for the 'enable_ssu' variable are:
1657 * 0: disable to SSD and HDD
1658 * 1: disable only to HDD (default)
1659 * 2: disable only to SSD
1660 * 3: enable to SSD and HDD
1661 * anything else will default to 1.
1662 */
1663 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1664 target = &sc->sassc->targets[targetid];
1665 if (target->handle == 0x0) {
1666 continue;
1667 }
1668
1669 if (target->supports_SSU) {
1670 switch (sc->enable_ssu) {
1671 case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1672 target->stop_at_shutdown = FALSE;
1673 break;
1674 case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1675 target->stop_at_shutdown = TRUE;
1676 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1677 target->stop_at_shutdown = FALSE;
1678 }
1679 break;
1680 case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1681 target->stop_at_shutdown = TRUE;
1682 break;
1683 case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1684 default:
1685 target->stop_at_shutdown = TRUE;
1686 if ((target->flags &
1687 MPR_TARGET_IS_SATA_SSD) == 0) {
1688 target->stop_at_shutdown = FALSE;
1689 }
1690 break;
1691 }
1692 }
1693 }
1694 mprsas_SSU_to_SATA_devices(sc, howto);
1695 }
1696