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
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/mpr/mpi/mpi2_type.h>
72 #include <dev/mpr/mpi/mpi2.h>
73 #include <dev/mpr/mpi/mpi2_ioc.h>
74 #include <dev/mpr/mpi/mpi2_sas.h>
75 #include <dev/mpr/mpi/mpi2_pci.h>
76 #include <dev/mpr/mpi/mpi2_cnfg.h>
77 #include <dev/mpr/mpi/mpi2_init.h>
78 #include <dev/mpr/mpi/mpi2_raid.h>
79 #include <dev/mpr/mpi/mpi2_tool.h>
80 #include <dev/mpr/mpr_ioctl.h>
81 #include <dev/mpr/mprvar.h>
82 #include <dev/mpr/mpr_table.h>
83 #include <dev/mpr/mpr_sas.h>
84
85 /* For Hashed SAS Address creation for SATA Drives */
86 #define MPT2SAS_SN_LEN 20
87 #define MPT2SAS_MN_LEN 40
88
89 struct mpr_fw_event_work {
90 u16 event;
91 void *event_data;
92 TAILQ_ENTRY(mpr_fw_event_work) ev_link;
93 };
94
95 union _sata_sas_address {
96 u8 wwid[8];
97 struct {
98 u32 high;
99 u32 low;
100 } word;
101 };
102
103 /*
104 * define the IDENTIFY DEVICE structure
105 */
106 struct _ata_identify_device_data {
107 u16 reserved1[10]; /* 0-9 */
108 u16 serial_number[10]; /* 10-19 */
109 u16 reserved2[7]; /* 20-26 */
110 u16 model_number[20]; /* 27-46*/
111 u16 reserved3[170]; /* 47-216 */
112 u16 rotational_speed; /* 217 */
113 u16 reserved4[38]; /* 218-255 */
114 };
115 static u32 event_count;
116 static void mprsas_fw_work(struct mpr_softc *sc,
117 struct mpr_fw_event_work *fw_event);
118 static void mprsas_fw_event_free(struct mpr_softc *,
119 struct mpr_fw_event_work *);
120 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
121 static int mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle,
122 u8 linkrate);
123 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
124 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
125 u32 devinfo);
126 static void mprsas_ata_id_complete(struct mpr_softc *, struct mpr_command *);
127 static void mprsas_ata_id_timeout(struct mpr_softc *, struct mpr_command *);
128 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
129 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
130 static int mprsas_volume_add(struct mpr_softc *sc,
131 u16 handle);
132 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto);
133 static void mprsas_stop_unit_done(struct cam_periph *periph,
134 union ccb *done_ccb);
135
136 void
mprsas_evt_handler(struct mpr_softc * sc,uintptr_t data,MPI2_EVENT_NOTIFICATION_REPLY * event)137 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
138 MPI2_EVENT_NOTIFICATION_REPLY *event)
139 {
140 struct mpr_fw_event_work *fw_event;
141 u16 sz;
142
143 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
144 MPR_DPRINT_EVENT(sc, sas, event);
145 mprsas_record_event(sc, event);
146
147 fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
148 M_ZERO|M_NOWAIT);
149 if (!fw_event) {
150 printf("%s: allocate failed for fw_event\n", __func__);
151 return;
152 }
153 sz = le16toh(event->EventDataLength) * 4;
154 fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
155 if (!fw_event->event_data) {
156 printf("%s: allocate failed for event_data\n", __func__);
157 free(fw_event, M_MPR);
158 return;
159 }
160
161 bcopy(event->EventData, fw_event->event_data, sz);
162 fw_event->event = le16toh(event->Event);
163 if ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
164 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
165 fw_event->event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
166 fw_event->event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
167 sc->track_mapping_events)
168 sc->pending_map_events++;
169
170 /*
171 * When wait_for_port_enable flag is set, make sure that all the events
172 * are processed. Increment the startup_refcount and decrement it after
173 * events are processed.
174 */
175 if ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
176 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
177 fw_event->event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
178 sc->wait_for_port_enable)
179 mprsas_startup_increment(sc->sassc);
180
181 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
182 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
183 }
184
185 static void
mprsas_fw_event_free(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)186 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
187 {
188
189 free(fw_event->event_data, M_MPR);
190 free(fw_event, M_MPR);
191 }
192
193 /**
194 * _mpr_fw_work - delayed task for processing firmware events
195 * @sc: per adapter object
196 * @fw_event: The fw_event_work object
197 * Context: user.
198 *
199 * Return nothing.
200 */
201 static void
mprsas_fw_work(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)202 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
203 {
204 struct mprsas_softc *sassc;
205 sassc = sc->sassc;
206
207 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
208 event_count++, __func__, fw_event->event);
209 switch (fw_event->event) {
210 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
211 {
212 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
213 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
214 uint8_t i;
215
216 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
217 fw_event->event_data;
218
219 mpr_mapping_topology_change_event(sc, fw_event->event_data);
220
221 for (i = 0; i < data->NumEntries; i++) {
222 phy = &data->PHY[i];
223 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
224 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
225 if (mprsas_add_device(sc,
226 le16toh(phy->AttachedDevHandle),
227 phy->LinkRate)) {
228 mpr_dprint(sc, MPR_ERROR, "%s: "
229 "failed to add device with handle "
230 "0x%x\n", __func__,
231 le16toh(phy->AttachedDevHandle));
232 mprsas_prepare_remove(sassc, le16toh(
233 phy->AttachedDevHandle));
234 }
235 break;
236 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
237 mprsas_prepare_remove(sassc, le16toh(
238 phy->AttachedDevHandle));
239 break;
240 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
241 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
242 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
243 default:
244 break;
245 }
246 }
247 /*
248 * refcount was incremented for this event in
249 * mprsas_evt_handler. Decrement it here because the event has
250 * been processed.
251 */
252 mprsas_startup_decrement(sassc);
253 break;
254 }
255 case MPI2_EVENT_SAS_DISCOVERY:
256 {
257 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
258
259 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
260
261 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
262 mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
263 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
264 mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
265 sassc->flags &= ~MPRSAS_IN_DISCOVERY;
266 mprsas_discovery_end(sassc);
267 }
268 break;
269 }
270 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
271 {
272 mpr_mapping_enclosure_dev_status_change_event(sc,
273 fw_event->event_data);
274 break;
275 }
276 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
277 {
278 Mpi2EventIrConfigElement_t *element;
279 int i;
280 u8 foreign_config, reason;
281 u16 elementType;
282 Mpi2EventDataIrConfigChangeList_t *event_data;
283 struct mprsas_target *targ;
284 unsigned int id;
285
286 event_data = fw_event->event_data;
287 foreign_config = (le32toh(event_data->Flags) &
288 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
289
290 element =
291 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
292 id = mpr_mapping_get_raid_tid_from_handle(sc,
293 element->VolDevHandle);
294
295 mpr_mapping_ir_config_change_event(sc, event_data);
296 for (i = 0; i < event_data->NumElements; i++, element++) {
297 reason = element->ReasonCode;
298 elementType = le16toh(element->ElementFlags) &
299 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
300 /*
301 * check for element type of Phys Disk or Hot Spare
302 */
303 if ((elementType !=
304 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
305 && (elementType !=
306 MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
307 // do next element
308 goto skip_fp_send;
309
310 /*
311 * check for reason of Hide, Unhide, PD Created, or PD
312 * Deleted
313 */
314 if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
315 (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
316 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
317 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
318 goto skip_fp_send;
319
320 // check for a reason of Hide or PD Created
321 if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
322 (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
323 {
324 // build RAID Action message
325 Mpi2RaidActionRequest_t *action;
326 Mpi2RaidActionReply_t *reply = NULL;
327 struct mpr_command *cm;
328 int error = 0;
329 if ((cm = mpr_alloc_command(sc)) == NULL) {
330 printf("%s: command alloc failed\n",
331 __func__);
332 return;
333 }
334
335 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
336 "from "
337 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
338 ":\n");
339 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
340 action->Function = MPI2_FUNCTION_RAID_ACTION;
341 action->Action =
342 MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
343 action->PhysDiskNum = element->PhysDiskNum;
344 cm->cm_desc.Default.RequestFlags =
345 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
346 error = mpr_request_polled(sc, &cm);
347 if (cm != NULL)
348 reply = (Mpi2RaidActionReply_t *)
349 cm->cm_reply;
350 if (error || (reply == NULL)) {
351 /* FIXME */
352 /*
353 * If the poll returns error then we
354 * need to do diag reset
355 */
356 printf("%s: poll for page completed "
357 "with error %d\n", __func__, error);
358 }
359 if (reply && (le16toh(reply->IOCStatus) &
360 MPI2_IOCSTATUS_MASK) !=
361 MPI2_IOCSTATUS_SUCCESS) {
362 mpr_dprint(sc, MPR_ERROR, "%s: error "
363 "sending RaidActionPage; "
364 "iocstatus = 0x%x\n", __func__,
365 le16toh(reply->IOCStatus));
366 }
367
368 if (cm)
369 mpr_free_command(sc, cm);
370 }
371 skip_fp_send:
372 mpr_dprint(sc, MPR_EVENT, "Received "
373 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
374 "code %x:\n", element->ReasonCode);
375 switch (element->ReasonCode) {
376 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
377 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
378 if (!foreign_config) {
379 if (mprsas_volume_add(sc,
380 le16toh(element->VolDevHandle))) {
381 printf("%s: failed to add RAID "
382 "volume with handle 0x%x\n",
383 __func__, le16toh(element->
384 VolDevHandle));
385 }
386 }
387 break;
388 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
389 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
390 /*
391 * Rescan after volume is deleted or removed.
392 */
393 if (!foreign_config) {
394 if (id == MPR_MAP_BAD_ID) {
395 printf("%s: could not get ID "
396 "for volume with handle "
397 "0x%04x\n", __func__,
398 le16toh(element->
399 VolDevHandle));
400 break;
401 }
402
403 targ = &sassc->targets[id];
404 targ->handle = 0x0;
405 targ->encl_slot = 0x0;
406 targ->encl_handle = 0x0;
407 targ->encl_level_valid = 0x0;
408 targ->encl_level = 0x0;
409 targ->connector_name[0] = ' ';
410 targ->connector_name[1] = ' ';
411 targ->connector_name[2] = ' ';
412 targ->connector_name[3] = ' ';
413 targ->exp_dev_handle = 0x0;
414 targ->phy_num = 0x0;
415 targ->linkrate = 0x0;
416 mprsas_rescan_target(sc, targ);
417 printf("RAID target id 0x%x removed\n",
418 targ->tid);
419 }
420 break;
421 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
422 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
423 /*
424 * Phys Disk of a volume has been created. Hide
425 * it from the OS.
426 */
427 targ = mprsas_find_target_by_handle(sassc, 0,
428 element->PhysDiskDevHandle);
429 if (targ == NULL)
430 break;
431 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
432 mprsas_rescan_target(sc, targ);
433 break;
434 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
435 /*
436 * Phys Disk of a volume has been deleted.
437 * Expose it to the OS.
438 */
439 if (mprsas_add_device(sc,
440 le16toh(element->PhysDiskDevHandle), 0)) {
441 printf("%s: failed to add device with "
442 "handle 0x%x\n", __func__,
443 le16toh(element->
444 PhysDiskDevHandle));
445 mprsas_prepare_remove(sassc,
446 le16toh(element->
447 PhysDiskDevHandle));
448 }
449 break;
450 }
451 }
452 /*
453 * refcount was incremented for this event in
454 * mprsas_evt_handler. Decrement it here because the event has
455 * been processed.
456 */
457 mprsas_startup_decrement(sassc);
458 break;
459 }
460 case MPI2_EVENT_IR_VOLUME:
461 {
462 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
463
464 /*
465 * Informational only.
466 */
467 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
468 switch (event_data->ReasonCode) {
469 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
470 mpr_dprint(sc, MPR_EVENT, " Volume Settings "
471 "changed from 0x%x to 0x%x for Volome with "
472 "handle 0x%x", le32toh(event_data->PreviousValue),
473 le32toh(event_data->NewValue),
474 le16toh(event_data->VolDevHandle));
475 break;
476 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
477 mpr_dprint(sc, MPR_EVENT, " Volume Status "
478 "changed from 0x%x to 0x%x for Volome with "
479 "handle 0x%x", le32toh(event_data->PreviousValue),
480 le32toh(event_data->NewValue),
481 le16toh(event_data->VolDevHandle));
482 break;
483 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
484 mpr_dprint(sc, MPR_EVENT, " Volume State "
485 "changed from 0x%x to 0x%x for Volome with "
486 "handle 0x%x", le32toh(event_data->PreviousValue),
487 le32toh(event_data->NewValue),
488 le16toh(event_data->VolDevHandle));
489 u32 state;
490 struct mprsas_target *targ;
491 state = le32toh(event_data->NewValue);
492 switch (state) {
493 case MPI2_RAID_VOL_STATE_MISSING:
494 case MPI2_RAID_VOL_STATE_FAILED:
495 mprsas_prepare_volume_remove(sassc,
496 event_data->VolDevHandle);
497 break;
498
499 case MPI2_RAID_VOL_STATE_ONLINE:
500 case MPI2_RAID_VOL_STATE_DEGRADED:
501 case MPI2_RAID_VOL_STATE_OPTIMAL:
502 targ =
503 mprsas_find_target_by_handle(sassc,
504 0, event_data->VolDevHandle);
505 if (targ) {
506 printf("%s %d: Volume handle "
507 "0x%x is already added \n",
508 __func__, __LINE__,
509 event_data->VolDevHandle);
510 break;
511 }
512 if (mprsas_volume_add(sc,
513 le16toh(event_data->
514 VolDevHandle))) {
515 printf("%s: failed to add RAID "
516 "volume with handle 0x%x\n",
517 __func__, le16toh(
518 event_data->VolDevHandle));
519 }
520 break;
521 default:
522 break;
523 }
524 break;
525 default:
526 break;
527 }
528 break;
529 }
530 case MPI2_EVENT_IR_PHYSICAL_DISK:
531 {
532 Mpi2EventDataIrPhysicalDisk_t *event_data =
533 fw_event->event_data;
534 struct mprsas_target *targ;
535
536 /*
537 * Informational only.
538 */
539 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
540 switch (event_data->ReasonCode) {
541 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
542 mpr_dprint(sc, MPR_EVENT, " Phys Disk Settings "
543 "changed from 0x%x to 0x%x for Phys Disk Number "
544 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
545 "%d", le32toh(event_data->PreviousValue),
546 le32toh(event_data->NewValue),
547 event_data->PhysDiskNum,
548 le16toh(event_data->PhysDiskDevHandle),
549 le16toh(event_data->EnclosureHandle),
550 le16toh(event_data->Slot));
551 break;
552 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
553 mpr_dprint(sc, MPR_EVENT, " Phys Disk Status changed "
554 "from 0x%x to 0x%x for Phys Disk Number %d and "
555 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
556 le32toh(event_data->PreviousValue),
557 le32toh(event_data->NewValue),
558 event_data->PhysDiskNum,
559 le16toh(event_data->PhysDiskDevHandle),
560 le16toh(event_data->EnclosureHandle),
561 le16toh(event_data->Slot));
562 break;
563 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
564 mpr_dprint(sc, MPR_EVENT, " Phys Disk State changed "
565 "from 0x%x to 0x%x for Phys Disk Number %d and "
566 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
567 le32toh(event_data->PreviousValue),
568 le32toh(event_data->NewValue),
569 event_data->PhysDiskNum,
570 le16toh(event_data->PhysDiskDevHandle),
571 le16toh(event_data->EnclosureHandle),
572 le16toh(event_data->Slot));
573 switch (event_data->NewValue) {
574 case MPI2_RAID_PD_STATE_ONLINE:
575 case MPI2_RAID_PD_STATE_DEGRADED:
576 case MPI2_RAID_PD_STATE_REBUILDING:
577 case MPI2_RAID_PD_STATE_OPTIMAL:
578 case MPI2_RAID_PD_STATE_HOT_SPARE:
579 targ = mprsas_find_target_by_handle(
580 sassc, 0,
581 event_data->PhysDiskDevHandle);
582 if (targ) {
583 targ->flags |=
584 MPR_TARGET_FLAGS_RAID_COMPONENT;
585 printf("%s %d: Found Target "
586 "for handle 0x%x.\n",
587 __func__, __LINE__ ,
588 event_data->
589 PhysDiskDevHandle);
590 }
591 break;
592 case MPI2_RAID_PD_STATE_OFFLINE:
593 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
594 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
595 default:
596 targ = mprsas_find_target_by_handle(
597 sassc, 0,
598 event_data->PhysDiskDevHandle);
599 if (targ) {
600 targ->flags |=
601 ~MPR_TARGET_FLAGS_RAID_COMPONENT;
602 printf("%s %d: Found Target "
603 "for handle 0x%x. \n",
604 __func__, __LINE__ ,
605 event_data->
606 PhysDiskDevHandle);
607 }
608 break;
609 }
610 default:
611 break;
612 }
613 break;
614 }
615 case MPI2_EVENT_IR_OPERATION_STATUS:
616 {
617 Mpi2EventDataIrOperationStatus_t *event_data =
618 fw_event->event_data;
619
620 /*
621 * Informational only.
622 */
623 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
624 mpr_dprint(sc, MPR_EVENT, " RAID Operation of %d is %d "
625 "percent complete for Volume with handle 0x%x",
626 event_data->RAIDOperation, event_data->PercentComplete,
627 le16toh(event_data->VolDevHandle));
628 break;
629 }
630 case MPI2_EVENT_TEMP_THRESHOLD:
631 {
632 pMpi2EventDataTemperature_t temp_event;
633
634 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
635
636 /*
637 * The Temp Sensor Count must be greater than the event's Sensor
638 * Num to be valid. If valid, print the temp thresholds that
639 * have been exceeded.
640 */
641 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
642 mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
643 "%s %s %s %s exceeded for Sensor: %d !!!\n",
644 ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
645 ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
646 ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
647 ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
648 temp_event->SensorNum);
649 mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
650 "%d\n", temp_event->CurrentTemperature);
651 }
652 break;
653 }
654 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
655 {
656 pMpi26EventDataActiveCableExcept_t ace_event_data;
657 ace_event_data =
658 (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
659
660 switch(ace_event_data->ReasonCode) {
661 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
662 {
663 mpr_printf(sc, "Currently a cable with "
664 "ReceptacleID %d cannot be powered and device "
665 "connected to this active cable will not be seen. "
666 "This active cable requires %d mW of power.\n",
667 ace_event_data->ReceptacleID,
668 ace_event_data->ActiveCablePowerRequirement);
669 break;
670 }
671 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
672 {
673 mpr_printf(sc, "Currently a cable with "
674 "ReceptacleID %d is not running at optimal speed "
675 "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
676 break;
677 }
678 default:
679 break;
680 }
681 break;
682 }
683 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
684 {
685 pMpi26EventDataPCIeDeviceStatusChange_t pcie_status_event_data;
686 pcie_status_event_data =
687 (pMpi26EventDataPCIeDeviceStatusChange_t)fw_event->event_data;
688
689 switch (pcie_status_event_data->ReasonCode) {
690 case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
691 {
692 mpr_printf(sc, "PCIe Host Reset failed on DevHandle "
693 "0x%x\n", pcie_status_event_data->DevHandle);
694 break;
695 }
696 default:
697 break;
698 }
699 break;
700 }
701 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
702 {
703 pMpi25EventDataSasDeviceDiscoveryError_t discovery_error_data;
704 uint64_t sas_address;
705
706 discovery_error_data =
707 (pMpi25EventDataSasDeviceDiscoveryError_t)
708 fw_event->event_data;
709
710 sas_address = discovery_error_data->SASAddress.High;
711 sas_address = (sas_address << 32) |
712 discovery_error_data->SASAddress.Low;
713
714 switch(discovery_error_data->ReasonCode) {
715 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
716 {
717 mpr_printf(sc, "SMP command failed during discovery "
718 "for expander with SAS Address %jx and "
719 "handle 0x%x.\n", sas_address,
720 discovery_error_data->DevHandle);
721 break;
722 }
723 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
724 {
725 mpr_printf(sc, "SMP command timed out during "
726 "discovery for expander with SAS Address %jx and "
727 "handle 0x%x.\n", sas_address,
728 discovery_error_data->DevHandle);
729 break;
730 }
731 default:
732 break;
733 }
734 break;
735 }
736 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
737 {
738 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
739 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
740 uint8_t i, link_rate;
741 uint16_t handle;
742
743 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
744 fw_event->event_data;
745
746 mpr_mapping_pcie_topology_change_event(sc,
747 fw_event->event_data);
748
749 for (i = 0; i < data->NumEntries; i++) {
750 port_entry = &data->PortEntry[i];
751 handle = le16toh(port_entry->AttachedDevHandle);
752 link_rate = port_entry->CurrentPortInfo &
753 MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
754 switch (port_entry->PortStatus) {
755 case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
756 if (link_rate <
757 MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
758 mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
759 "add PCIe device with handle 0x%x "
760 "with unknown link rate.\n",
761 __func__, handle);
762 break;
763 }
764 if (mprsas_add_pcie_device(sc, handle,
765 link_rate)) {
766 mpr_dprint(sc, MPR_ERROR, "%s: failed "
767 "to add PCIe device with handle "
768 "0x%x\n", __func__, handle);
769 mprsas_prepare_remove(sassc, handle);
770 }
771 break;
772 case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
773 mprsas_prepare_remove(sassc, handle);
774 break;
775 case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
776 case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
777 case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
778 default:
779 break;
780 }
781 }
782 /*
783 * refcount was incremented for this event in
784 * mprsas_evt_handler. Decrement it here because the event has
785 * been processed.
786 */
787 mprsas_startup_decrement(sassc);
788 break;
789 }
790 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
791 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
792 default:
793 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
794 fw_event->event);
795 break;
796 }
797 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
798 __func__, fw_event->event);
799 mprsas_fw_event_free(sc, fw_event);
800 }
801
802 void
mprsas_firmware_event_work(void * arg,int pending)803 mprsas_firmware_event_work(void *arg, int pending)
804 {
805 struct mpr_fw_event_work *fw_event;
806 struct mpr_softc *sc;
807
808 sc = (struct mpr_softc *)arg;
809 mpr_lock(sc);
810 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
811 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
812 mprsas_fw_work(sc, fw_event);
813 }
814 mpr_unlock(sc);
815 }
816
817 static int
mprsas_add_device(struct mpr_softc * sc,u16 handle,u8 linkrate)818 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
819 {
820 char devstring[80];
821 struct mprsas_softc *sassc;
822 struct mprsas_target *targ;
823 Mpi2ConfigReply_t mpi_reply;
824 Mpi2SasDevicePage0_t config_page;
825 uint64_t sas_address, parent_sas_address = 0;
826 u32 device_info, parent_devinfo = 0;
827 unsigned int id;
828 int ret = 1, error = 0, i;
829 struct mprsas_lun *lun;
830 u8 is_SATA_SSD = 0;
831 struct mpr_command *cm;
832
833 sassc = sc->sassc;
834 mprsas_startup_increment(sassc);
835 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
836 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
837 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
838 "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
839 handle, mpi_reply.IOCStatus);
840 error = ENXIO;
841 goto out;
842 }
843
844 device_info = le32toh(config_page.DeviceInfo);
845
846 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
847 && (le16toh(config_page.ParentDevHandle) != 0)) {
848 Mpi2ConfigReply_t tmp_mpi_reply;
849 Mpi2SasDevicePage0_t parent_config_page;
850
851 if (mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
852 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
853 le16toh(config_page.ParentDevHandle)) != 0) {
854 mpr_dprint(sc, MPR_MAPPING|MPR_FAULT,
855 "Error reading parent SAS device %#x page0, "
856 "iocstatus= 0x%x\n",
857 le16toh(config_page.ParentDevHandle),
858 tmp_mpi_reply.IOCStatus);
859 } else {
860 parent_sas_address = parent_config_page.SASAddress.High;
861 parent_sas_address = (parent_sas_address << 32) |
862 parent_config_page.SASAddress.Low;
863 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
864 }
865 }
866 sas_address = htole32(config_page.SASAddress.High);
867 sas_address = (sas_address << 32) | htole32(config_page.SASAddress.Low);
868 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address from SAS device "
869 "page0 = %jx\n", handle, sas_address);
870
871 /*
872 * Always get SATA Identify information because this is used to
873 * determine if Start/Stop Unit should be sent to the drive when the
874 * system is shutdown.
875 */
876 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
877 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
878 handle, device_info, &is_SATA_SSD);
879 if (ret) {
880 mpr_dprint(sc, MPR_MAPPING|MPR_ERROR,
881 "%s: failed to get disk type (SSD or HDD) for SATA "
882 "device with handle 0x%04x\n",
883 __func__, handle);
884 } else {
885 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address "
886 "from SATA device = %jx\n", handle, sas_address);
887 }
888 }
889
890 /*
891 * use_phynum:
892 * 1 - use the PhyNum field as a fallback to the mapping logic
893 * 0 - never use the PhyNum field
894 * -1 - only use the PhyNum field
895 *
896 * Note that using the Phy number to map a device can cause device adds
897 * to fail if multiple enclosures/expanders are in the topology. For
898 * example, if two devices are in the same slot number in two different
899 * enclosures within the topology, only one of those devices will be
900 * added. PhyNum mapping should not be used if multiple enclosures are
901 * in the topology.
902 */
903 id = MPR_MAP_BAD_ID;
904 if (sc->use_phynum != -1)
905 id = mpr_mapping_get_tid(sc, sas_address, handle);
906 if (id == MPR_MAP_BAD_ID) {
907 if ((sc->use_phynum == 0) ||
908 ((id = config_page.PhyNum) > sassc->maxtargets)) {
909 mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
910 "Could not get ID for device with handle 0x%04x\n",
911 __FILE__, __LINE__, __func__, handle);
912 error = ENXIO;
913 goto out;
914 }
915 }
916 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
917 __func__, id);
918
919 /*
920 * Only do the ID check and reuse check if the target is not from a
921 * RAID Component. For Physical Disks of a Volume, the ID will be reused
922 * when a volume is deleted because the mapping entry for the PD will
923 * still be in the mapping table. The ID check should not be done here
924 * either since this PD is already being used.
925 */
926 targ = &sassc->targets[id];
927 if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
928 if (mprsas_check_id(sassc, id) != 0) {
929 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
930 "Excluding target id %d\n", id);
931 error = ENXIO;
932 goto out;
933 }
934
935 if (targ->handle != 0x0) {
936 mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
937 "target id %d handle 0x%04x\n", id, targ->handle);
938 error = ENXIO;
939 goto out;
940 }
941 }
942
943 targ->devinfo = device_info;
944 targ->devname = le32toh(config_page.DeviceName.High);
945 targ->devname = (targ->devname << 32) |
946 le32toh(config_page.DeviceName.Low);
947 targ->encl_handle = le16toh(config_page.EnclosureHandle);
948 targ->encl_slot = le16toh(config_page.Slot);
949 targ->encl_level = config_page.EnclosureLevel;
950 targ->connector_name[0] = config_page.ConnectorName[0];
951 targ->connector_name[1] = config_page.ConnectorName[1];
952 targ->connector_name[2] = config_page.ConnectorName[2];
953 targ->connector_name[3] = config_page.ConnectorName[3];
954 targ->handle = handle;
955 targ->parent_handle = le16toh(config_page.ParentDevHandle);
956 targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
957 targ->parent_sasaddr = le64toh(parent_sas_address);
958 targ->parent_devinfo = parent_devinfo;
959 targ->tid = id;
960 targ->linkrate = (linkrate>>4);
961 targ->flags = 0;
962 if (is_SATA_SSD) {
963 targ->flags = MPR_TARGET_IS_SATA_SSD;
964 }
965 if ((le16toh(config_page.Flags) &
966 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
967 (le16toh(config_page.Flags) &
968 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
969 targ->scsi_req_desc_type =
970 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
971 }
972 if (le16toh(config_page.Flags) &
973 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
974 targ->encl_level_valid = TRUE;
975 }
976 TAILQ_INIT(&targ->commands);
977 TAILQ_INIT(&targ->timedout_commands);
978 while (!SLIST_EMPTY(&targ->luns)) {
979 lun = SLIST_FIRST(&targ->luns);
980 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
981 free(lun, M_MPR);
982 }
983 SLIST_INIT(&targ->luns);
984
985 mpr_describe_devinfo(targ->devinfo, devstring, 80);
986 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
987 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
988 mpr_describe_table(mpr_linkrate_names, targ->linkrate),
989 targ->handle, targ->encl_handle, targ->encl_slot);
990 if (targ->encl_level_valid) {
991 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
992 "and connector name (%4s)\n", targ->encl_level,
993 targ->connector_name);
994 }
995 mprsas_rescan_target(sc, targ);
996 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
997
998 /*
999 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
1000 * If so, send a Target Reset TM to the target that was just created.
1001 * An Abort Task TM should be used instead of a Target Reset, but that
1002 * would be much more difficult because targets have not been fully
1003 * discovered yet, and LUN's haven't been setup. So, just reset the
1004 * target instead of the LUN. The commands should complete once
1005 * the target has been reset.
1006 */
1007 for (i = 1; i < sc->num_reqs; i++) {
1008 cm = &sc->commands[i];
1009 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1010 targ->timeouts++;
1011 cm->cm_flags |= MPR_CM_FLAGS_TIMEDOUT;
1012
1013 if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1014 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
1015 "Reset for stuck SATA identify command "
1016 "(cm = %p)\n", __func__, cm);
1017 targ->tm->cm_targ = targ;
1018 mprsas_send_reset(sc, targ->tm,
1019 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1020 } else {
1021 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
1022 "tm for Target Reset after SATA ID command "
1023 "timed out (cm %p)\n", cm);
1024 }
1025 /*
1026 * No need to check for more since the target is
1027 * already being reset.
1028 */
1029 break;
1030 }
1031 }
1032 out:
1033 mprsas_startup_decrement(sassc);
1034 return (error);
1035 }
1036
1037 int
mprsas_get_sas_address_for_sata_disk(struct mpr_softc * sc,u64 * sas_address,u16 handle,u32 device_info,u8 * is_SATA_SSD)1038 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
1039 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
1040 {
1041 Mpi2SataPassthroughReply_t mpi_reply;
1042 int i, rc, try_count;
1043 u32 *bufferptr;
1044 union _sata_sas_address hash_address;
1045 struct _ata_identify_device_data ata_identify;
1046 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1047 u32 ioc_status;
1048 u8 sas_status;
1049
1050 memset(&ata_identify, 0, sizeof(ata_identify));
1051 memset(&mpi_reply, 0, sizeof(mpi_reply));
1052 try_count = 0;
1053 do {
1054 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1055 (char *)&ata_identify, sizeof(ata_identify), device_info);
1056 try_count++;
1057 ioc_status = le16toh(mpi_reply.IOCStatus)
1058 & MPI2_IOCSTATUS_MASK;
1059 sas_status = mpi_reply.SASStatus;
1060 switch (ioc_status) {
1061 case MPI2_IOCSTATUS_SUCCESS:
1062 break;
1063 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1064 /* No sense sleeping. this error won't get better */
1065 break;
1066 default:
1067 if (sc->spinup_wait_time > 0) {
1068 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1069 "after SATA ID error to wait for spinup\n",
1070 sc->spinup_wait_time);
1071 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1072 "mprid", sc->spinup_wait_time * hz);
1073 }
1074 }
1075 } while (((rc && (rc != EWOULDBLOCK)) ||
1076 (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1077 || sas_status) && (try_count < 5));
1078
1079 if (rc == 0 && !ioc_status && !sas_status) {
1080 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1081 "successfully for handle = 0x%x with try_count = %d\n",
1082 __func__, handle, try_count);
1083 } else {
1084 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1085 __func__, handle);
1086 return -1;
1087 }
1088 /* Copy & byteswap the 40 byte model number to a buffer */
1089 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1090 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1091 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1092 }
1093 /* Copy & byteswap the 20 byte serial number to a buffer */
1094 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1095 buffer[MPT2SAS_MN_LEN + i] =
1096 ((u8 *)ata_identify.serial_number)[i + 1];
1097 buffer[MPT2SAS_MN_LEN + i + 1] =
1098 ((u8 *)ata_identify.serial_number)[i];
1099 }
1100 bufferptr = (u32 *)buffer;
1101 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1102 * so loop through the first 56 bytes (7*8),
1103 * and then add in the last dword.
1104 */
1105 hash_address.word.low = 0;
1106 hash_address.word.high = 0;
1107 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1108 hash_address.word.low += *bufferptr;
1109 bufferptr++;
1110 hash_address.word.high += *bufferptr;
1111 bufferptr++;
1112 }
1113 /* Add the last dword */
1114 hash_address.word.low += *bufferptr;
1115 /* Make sure the hash doesn't start with 5, because it could clash
1116 * with a SAS address. Change 5 to a D.
1117 */
1118 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1119 hash_address.word.high |= 0x00000080;
1120 *sas_address = (u64)hash_address.wwid[0] << 56 |
1121 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1122 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1123 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
1124 (u64)hash_address.wwid[7];
1125 if (ata_identify.rotational_speed == 1) {
1126 *is_SATA_SSD = 1;
1127 }
1128
1129 return 0;
1130 }
1131
1132 static int
mprsas_get_sata_identify(struct mpr_softc * sc,u16 handle,Mpi2SataPassthroughReply_t * mpi_reply,char * id_buffer,int sz,u32 devinfo)1133 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1134 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1135 {
1136 Mpi2SataPassthroughRequest_t *mpi_request;
1137 Mpi2SataPassthroughReply_t *reply;
1138 struct mpr_command *cm;
1139 char *buffer;
1140 int error = 0;
1141
1142 buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1143 if (!buffer)
1144 return ENOMEM;
1145
1146 if ((cm = mpr_alloc_command(sc)) == NULL) {
1147 free(buffer, M_MPR);
1148 return (EBUSY);
1149 }
1150 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1151 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1152 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1153 mpi_request->VF_ID = 0;
1154 mpi_request->DevHandle = htole16(handle);
1155 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1156 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1157 mpi_request->DataLength = htole32(sz);
1158 mpi_request->CommandFIS[0] = 0x27;
1159 mpi_request->CommandFIS[1] = 0x80;
1160 mpi_request->CommandFIS[2] = (devinfo &
1161 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1162 cm->cm_sge = &mpi_request->SGL;
1163 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1164 cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1165 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1166 cm->cm_data = buffer;
1167 cm->cm_length = htole32(sz);
1168
1169 /*
1170 * Use a custom handler to avoid reinit'ing the controller on timeout.
1171 * This fixes a problem where the FW does not send a reply sometimes
1172 * when a bad disk is in the topology. So, this is used to timeout the
1173 * command so that processing can continue normally.
1174 */
1175 cm->cm_timeout_handler = mprsas_ata_id_timeout;
1176
1177 error = mpr_wait_command(sc, &cm, MPR_ATA_ID_TIMEOUT, CAN_SLEEP);
1178
1179 /* mprsas_ata_id_timeout does not reset controller */
1180 KASSERT(cm != NULL, ("%s: surprise command freed", __func__));
1181
1182 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1183 if (error || (reply == NULL)) {
1184 /* FIXME */
1185 /*
1186 * If the request returns an error then we need to do a diag
1187 * reset
1188 */
1189 mpr_dprint(sc, MPR_INFO|MPR_FAULT|MPR_MAPPING,
1190 "Request for SATA PASSTHROUGH page completed with error %d\n",
1191 error);
1192 error = ENXIO;
1193 goto out;
1194 }
1195 bcopy(buffer, id_buffer, sz);
1196 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1197 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1198 MPI2_IOCSTATUS_SUCCESS) {
1199 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
1200 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
1201 handle, reply->IOCStatus);
1202 error = ENXIO;
1203 goto out;
1204 }
1205 out:
1206 /*
1207 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1208 * it. The command and buffer will be freed after we send a Target
1209 * Reset TM and the command comes back from the controller.
1210 */
1211 if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0) {
1212 mpr_free_command(sc, cm);
1213 free(buffer, M_MPR);
1214 }
1215 return (error);
1216 }
1217
1218 /*
1219 * This is completion handler to make sure that commands and allocated
1220 * buffers get freed when timed out SATA ID commands finally complete after
1221 * we've reset the target. In the normal case, we wait for the command to
1222 * complete.
1223 */
1224 static void
mprsas_ata_id_complete(struct mpr_softc * sc,struct mpr_command * cm)1225 mprsas_ata_id_complete(struct mpr_softc *sc, struct mpr_command *cm)
1226 {
1227 mpr_dprint(sc, MPR_INFO, "%s ATA ID completed late cm %p sc %p\n",
1228 __func__, cm, sc);
1229
1230 free(cm->cm_data, M_MPR);
1231 mpr_free_command(sc, cm);
1232 }
1233
1234 static void
mprsas_ata_id_timeout(struct mpr_softc * sc,struct mpr_command * cm)1235 mprsas_ata_id_timeout(struct mpr_softc *sc, struct mpr_command *cm)
1236 {
1237
1238 mpr_dprint(sc, MPR_INFO, "%s ATA ID command timeout cm %p sc %p\n",
1239 __func__, cm, sc);
1240
1241 /*
1242 * The Abort Task cannot be sent from here because the driver has not
1243 * completed setting up targets. Instead, the command is flagged so
1244 * that special handling will be used to send the abort. Now that
1245 * this command has timed out, it's no longer in the queue.
1246 */
1247 cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1248
1249 /*
1250 * Since we will no longer be waiting for the command to complete,
1251 * set a completion handler to make sure we free all resources.
1252 */
1253 cm->cm_complete = mprsas_ata_id_complete;
1254 }
1255
1256 static int
mprsas_add_pcie_device(struct mpr_softc * sc,u16 handle,u8 linkrate)1257 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1258 {
1259 char devstring[80];
1260 struct mprsas_softc *sassc;
1261 struct mprsas_target *targ;
1262 Mpi2ConfigReply_t mpi_reply;
1263 Mpi26PCIeDevicePage0_t config_page;
1264 Mpi26PCIeDevicePage2_t config_page2;
1265 uint64_t pcie_wwid, parent_wwid = 0;
1266 u32 device_info, parent_devinfo = 0;
1267 unsigned int id;
1268 int error = 0;
1269 struct mprsas_lun *lun;
1270
1271 sassc = sc->sassc;
1272 mprsas_startup_increment(sassc);
1273 if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1274 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1275 printf("%s: error reading PCIe device page0\n", __func__);
1276 error = ENXIO;
1277 goto out;
1278 }
1279
1280 device_info = le32toh(config_page.DeviceInfo);
1281
1282 if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1283 && (le16toh(config_page.ParentDevHandle) != 0)) {
1284 Mpi2ConfigReply_t tmp_mpi_reply;
1285 Mpi26PCIeDevicePage0_t parent_config_page;
1286
1287 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1288 &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1289 le16toh(config_page.ParentDevHandle)))) {
1290 printf("%s: error reading PCIe device %#x page0\n",
1291 __func__, le16toh(config_page.ParentDevHandle));
1292 } else {
1293 parent_wwid = parent_config_page.WWID.High;
1294 parent_wwid = (parent_wwid << 32) |
1295 parent_config_page.WWID.Low;
1296 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1297 }
1298 }
1299 /* TODO Check proper endianness */
1300 pcie_wwid = config_page.WWID.High;
1301 pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1302 mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1303 pcie_wwid);
1304
1305 if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1306 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1307 printf("%s: error reading PCIe device page2\n", __func__);
1308 error = ENXIO;
1309 goto out;
1310 }
1311
1312 id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1313 if (id == MPR_MAP_BAD_ID) {
1314 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1315 "Could not get ID for device with handle 0x%04x\n",
1316 __FILE__, __LINE__, __func__, handle);
1317 error = ENXIO;
1318 goto out;
1319 }
1320 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1321 __func__, id);
1322
1323 if (mprsas_check_id(sassc, id) != 0) {
1324 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
1325 "Excluding target id %d\n", id);
1326 error = ENXIO;
1327 goto out;
1328 }
1329
1330 mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1331 pcie_wwid);
1332 targ = &sassc->targets[id];
1333 targ->devinfo = device_info;
1334 targ->encl_handle = le16toh(config_page.EnclosureHandle);
1335 targ->encl_slot = le16toh(config_page.Slot);
1336 targ->encl_level = config_page.EnclosureLevel;
1337 targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1338 targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1339 targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1340 targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1341 targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1342 targ->MDTS = config_page2.MaximumDataTransferSize;
1343 if (targ->is_nvme)
1344 targ->controller_reset_timeout = config_page2.ControllerResetTO;
1345 /*
1346 * Assume always TRUE for encl_level_valid because there is no valid
1347 * flag for PCIe.
1348 */
1349 targ->encl_level_valid = TRUE;
1350 targ->handle = handle;
1351 targ->parent_handle = le16toh(config_page.ParentDevHandle);
1352 targ->sasaddr = mpr_to_u64(&config_page.WWID);
1353 targ->parent_sasaddr = le64toh(parent_wwid);
1354 targ->parent_devinfo = parent_devinfo;
1355 targ->tid = id;
1356 targ->linkrate = linkrate;
1357 targ->flags = 0;
1358 if ((le16toh(config_page.Flags) &
1359 MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1360 (le16toh(config_page.Flags) &
1361 MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1362 targ->scsi_req_desc_type =
1363 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1364 }
1365 TAILQ_INIT(&targ->commands);
1366 TAILQ_INIT(&targ->timedout_commands);
1367 while (!SLIST_EMPTY(&targ->luns)) {
1368 lun = SLIST_FIRST(&targ->luns);
1369 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1370 free(lun, M_MPR);
1371 }
1372 SLIST_INIT(&targ->luns);
1373
1374 mpr_describe_devinfo(targ->devinfo, devstring, 80);
1375 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1376 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1377 mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1378 targ->handle, targ->encl_handle, targ->encl_slot);
1379 if (targ->encl_level_valid) {
1380 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1381 "and connector name (%4s)\n", targ->encl_level,
1382 targ->connector_name);
1383 }
1384 mprsas_rescan_target(sc, targ);
1385 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1386
1387 out:
1388 mprsas_startup_decrement(sassc);
1389 return (error);
1390 }
1391
1392 static int
mprsas_volume_add(struct mpr_softc * sc,u16 handle)1393 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1394 {
1395 struct mprsas_softc *sassc;
1396 struct mprsas_target *targ;
1397 u64 wwid;
1398 unsigned int id;
1399 int error = 0;
1400 struct mprsas_lun *lun;
1401
1402 sassc = sc->sassc;
1403 mprsas_startup_increment(sassc);
1404 /* wwid is endian safe */
1405 mpr_config_get_volume_wwid(sc, handle, &wwid);
1406 if (!wwid) {
1407 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1408 __func__);
1409 error = ENXIO;
1410 goto out;
1411 }
1412
1413 id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1414 if (id == MPR_MAP_BAD_ID) {
1415 printf("%s: could not get ID for volume with handle 0x%04x and "
1416 "WWID 0x%016llx\n", __func__, handle,
1417 (unsigned long long)wwid);
1418 error = ENXIO;
1419 goto out;
1420 }
1421
1422 targ = &sassc->targets[id];
1423 targ->tid = id;
1424 targ->handle = handle;
1425 targ->devname = wwid;
1426 targ->flags = MPR_TARGET_FLAGS_VOLUME;
1427 TAILQ_INIT(&targ->commands);
1428 TAILQ_INIT(&targ->timedout_commands);
1429 while (!SLIST_EMPTY(&targ->luns)) {
1430 lun = SLIST_FIRST(&targ->luns);
1431 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1432 free(lun, M_MPR);
1433 }
1434 SLIST_INIT(&targ->luns);
1435 mprsas_rescan_target(sc, targ);
1436 mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1437 targ->tid, wwid);
1438 out:
1439 mprsas_startup_decrement(sassc);
1440 return (error);
1441 }
1442
1443 /**
1444 * mprsas_SSU_to_SATA_devices
1445 * @sc: per adapter object
1446 *
1447 * Looks through the target list and issues a StartStopUnit SCSI command to each
1448 * SATA direct-access device. This helps to ensure that data corruption is
1449 * avoided when the system is being shut down. This must be called after the IR
1450 * System Shutdown RAID Action is sent if in IR mode.
1451 *
1452 * Return nothing.
1453 */
1454 static void
mprsas_SSU_to_SATA_devices(struct mpr_softc * sc,int howto)1455 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto)
1456 {
1457 struct mprsas_softc *sassc = sc->sassc;
1458 union ccb *ccb;
1459 path_id_t pathid = cam_sim_path(sassc->sim);
1460 target_id_t targetid;
1461 struct mprsas_target *target;
1462 char path_str[64];
1463 int timeout;
1464
1465 mpr_lock(sc);
1466
1467 /*
1468 * For each target, issue a StartStopUnit command to stop the device.
1469 */
1470 sc->SSU_started = TRUE;
1471 sc->SSU_refcount = 0;
1472 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1473 target = &sassc->targets[targetid];
1474 if (target->handle == 0x0) {
1475 continue;
1476 }
1477
1478 /*
1479 * The stop_at_shutdown flag will be set if this device is
1480 * a SATA direct-access end device.
1481 */
1482 if (target->stop_at_shutdown) {
1483 ccb = xpt_alloc_ccb_nowait();
1484 if (ccb == NULL) {
1485 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1486 "to stop unit.\n");
1487 return;
1488 }
1489
1490 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1491 pathid, targetid, CAM_LUN_WILDCARD) !=
1492 CAM_REQ_CMP) {
1493 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1494 "path to stop unit.\n");
1495 xpt_free_ccb(ccb);
1496 return;
1497 }
1498 xpt_path_string(ccb->ccb_h.path, path_str,
1499 sizeof(path_str));
1500
1501 mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1502 "handle %d\n", path_str, target->handle);
1503
1504 /*
1505 * Issue a START STOP UNIT command for the target.
1506 * Increment the SSU counter to be used to count the
1507 * number of required replies.
1508 */
1509 mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1510 sc->SSU_refcount++;
1511 ccb->ccb_h.target_id =
1512 xpt_path_target_id(ccb->ccb_h.path);
1513 ccb->ccb_h.ppriv_ptr1 = sassc;
1514 scsi_start_stop(&ccb->csio,
1515 /*retries*/0,
1516 mprsas_stop_unit_done,
1517 MSG_SIMPLE_Q_TAG,
1518 /*start*/FALSE,
1519 /*load/eject*/0,
1520 /*immediate*/FALSE,
1521 MPR_SENSE_LEN,
1522 /*timeout*/10000);
1523 xpt_action(ccb);
1524 }
1525 }
1526
1527 mpr_unlock(sc);
1528
1529 /*
1530 * Timeout after 60 seconds by default or 10 seconds if howto has
1531 * RB_NOSYNC set which indicates we're likely handling a panic.
1532 */
1533 timeout = 600;
1534 if (howto & RB_NOSYNC)
1535 timeout = 100;
1536
1537 /*
1538 * Wait until all of the SSU commands have completed or time
1539 * has expired. Pause for 100ms each time through. If any
1540 * command times out, the target will be reset in the SCSI
1541 * command timeout routine.
1542 */
1543 while (sc->SSU_refcount > 0) {
1544 pause("mprwait", hz/10);
1545 if (SCHEDULER_STOPPED())
1546 xpt_sim_poll(sassc->sim);
1547
1548 if (--timeout == 0) {
1549 mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1550 "for SSU commands to complete.\n");
1551 break;
1552 }
1553 }
1554 }
1555
1556 static void
mprsas_stop_unit_done(struct cam_periph * periph,union ccb * done_ccb)1557 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1558 {
1559 struct mprsas_softc *sassc;
1560 char path_str[64];
1561
1562 if (done_ccb == NULL)
1563 return;
1564
1565 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1566
1567 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1568 mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1569 path_str);
1570
1571 /*
1572 * Nothing more to do except free the CCB and path. If the command
1573 * timed out, an abort reset, then target reset will be issued during
1574 * the SCSI Command process.
1575 */
1576 xpt_free_path(done_ccb->ccb_h.path);
1577 xpt_free_ccb(done_ccb);
1578 }
1579
1580 /**
1581 * mprsas_ir_shutdown - IR shutdown notification
1582 * @sc: per adapter object
1583 *
1584 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1585 * the host system is shutting down.
1586 *
1587 * Return nothing.
1588 */
1589 void
mprsas_ir_shutdown(struct mpr_softc * sc,int howto)1590 mprsas_ir_shutdown(struct mpr_softc *sc, int howto)
1591 {
1592 u16 volume_mapping_flags;
1593 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1594 struct dev_mapping_table *mt_entry;
1595 u32 start_idx, end_idx;
1596 unsigned int id, found_volume = 0;
1597 struct mpr_command *cm;
1598 Mpi2RaidActionRequest_t *action;
1599 target_id_t targetid;
1600 struct mprsas_target *target;
1601
1602 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1603
1604 /* is IR firmware build loaded? */
1605 if (!sc->ir_firmware)
1606 goto out;
1607
1608 /* are there any volumes? Look at IR target IDs. */
1609 // TODO-later, this should be looked up in the RAID config structure
1610 // when it is implemented.
1611 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1612 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1613 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1614 start_idx = 0;
1615 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1616 start_idx = 1;
1617 } else
1618 start_idx = sc->max_devices - sc->max_volumes;
1619 end_idx = start_idx + sc->max_volumes - 1;
1620
1621 for (id = start_idx; id < end_idx; id++) {
1622 mt_entry = &sc->mapping_table[id];
1623 if ((mt_entry->physical_id != 0) &&
1624 (mt_entry->missing_count == 0)) {
1625 found_volume = 1;
1626 break;
1627 }
1628 }
1629
1630 if (!found_volume)
1631 goto out;
1632
1633 if ((cm = mpr_alloc_command(sc)) == NULL) {
1634 printf("%s: command alloc failed\n", __func__);
1635 goto out;
1636 }
1637
1638 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1639 action->Function = MPI2_FUNCTION_RAID_ACTION;
1640 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1641 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1642 mpr_lock(sc);
1643 mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1644 mpr_unlock(sc);
1645
1646 /*
1647 * Don't check for reply, just leave.
1648 */
1649 if (cm)
1650 mpr_free_command(sc, cm);
1651
1652 out:
1653 /*
1654 * All of the targets must have the correct value set for
1655 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1656 *
1657 * The possible values for the 'enable_ssu' variable are:
1658 * 0: disable to SSD and HDD
1659 * 1: disable only to HDD (default)
1660 * 2: disable only to SSD
1661 * 3: enable to SSD and HDD
1662 * anything else will default to 1.
1663 */
1664 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1665 target = &sc->sassc->targets[targetid];
1666 if (target->handle == 0x0) {
1667 continue;
1668 }
1669
1670 if (target->supports_SSU) {
1671 switch (sc->enable_ssu) {
1672 case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1673 target->stop_at_shutdown = FALSE;
1674 break;
1675 case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1676 target->stop_at_shutdown = TRUE;
1677 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1678 target->stop_at_shutdown = FALSE;
1679 }
1680 break;
1681 case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1682 target->stop_at_shutdown = TRUE;
1683 break;
1684 case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1685 default:
1686 target->stop_at_shutdown = TRUE;
1687 if ((target->flags &
1688 MPR_TARGET_IS_SATA_SSD) == 0) {
1689 target->stop_at_shutdown = FALSE;
1690 }
1691 break;
1692 }
1693 }
1694 }
1695 mprsas_SSU_to_SATA_devices(sc, howto);
1696 }
1697