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 /* Communications core for Avago Technologies (LSI) MPT3 */
32
33 /* TODO Move headers to mprvar */
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/selinfo.h>
39 #include <sys/module.h>
40 #include <sys/bus.h>
41 #include <sys/conf.h>
42 #include <sys/bio.h>
43 #include <sys/malloc.h>
44 #include <sys/uio.h>
45 #include <sys/sysctl.h>
46 #include <sys/endian.h>
47 #include <sys/proc.h>
48 #include <sys/queue.h>
49 #include <sys/kthread.h>
50 #include <sys/taskqueue.h>
51 #include <sys/sbuf.h>
52 #include <sys/reboot.h>
53 #include <sys/stdarg.h>
54
55 #include <machine/bus.h>
56 #include <machine/resource.h>
57 #include <sys/rman.h>
58
59 #include <cam/cam.h>
60 #include <cam/cam_ccb.h>
61 #include <cam/cam_debug.h>
62 #include <cam/cam_sim.h>
63 #include <cam/cam_xpt_sim.h>
64 #include <cam/cam_xpt_periph.h>
65 #include <cam/cam_periph.h>
66 #include <cam/scsi/scsi_all.h>
67 #include <cam/scsi/scsi_message.h>
68
69 #include <dev/mpr/mpi/mpi2_type.h>
70 #include <dev/mpr/mpi/mpi2.h>
71 #include <dev/mpr/mpi/mpi2_ioc.h>
72 #include <dev/mpr/mpi/mpi2_sas.h>
73 #include <dev/mpr/mpi/mpi2_pci.h>
74 #include <dev/mpr/mpi/mpi2_cnfg.h>
75 #include <dev/mpr/mpi/mpi2_init.h>
76 #include <dev/mpr/mpi/mpi2_raid.h>
77 #include <dev/mpr/mpi/mpi2_tool.h>
78 #include <dev/mpr/mpr_ioctl.h>
79 #include <dev/mpr/mprvar.h>
80 #include <dev/mpr/mpr_table.h>
81 #include <dev/mpr/mpr_sas.h>
82
83 /* For Hashed SAS Address creation for SATA Drives */
84 #define MPT2SAS_SN_LEN 20
85 #define MPT2SAS_MN_LEN 40
86
87 struct mpr_fw_event_work {
88 u16 event;
89 void *event_data;
90 TAILQ_ENTRY(mpr_fw_event_work) ev_link;
91 };
92
93 union _sata_sas_address {
94 u8 wwid[8];
95 struct {
96 u32 high;
97 u32 low;
98 } word;
99 };
100
101 /*
102 * define the IDENTIFY DEVICE structure
103 */
104 struct _ata_identify_device_data {
105 u16 reserved1[10]; /* 0-9 */
106 u16 serial_number[10]; /* 10-19 */
107 u16 reserved2[7]; /* 20-26 */
108 u16 model_number[20]; /* 27-46*/
109 u16 reserved3[170]; /* 47-216 */
110 u16 rotational_speed; /* 217 */
111 u16 reserved4[38]; /* 218-255 */
112 };
113 static u32 event_count;
114 static void mprsas_fw_work(struct mpr_softc *sc,
115 struct mpr_fw_event_work *fw_event);
116 static void mprsas_fw_event_free(struct mpr_softc *,
117 struct mpr_fw_event_work *);
118 static int mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate);
119 static int mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle,
120 u8 linkrate);
121 static int mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
122 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
123 u32 devinfo);
124 static void mprsas_ata_id_complete(struct mpr_softc *, struct mpr_command *);
125 static void mprsas_ata_id_timeout(struct mpr_softc *, struct mpr_command *);
126 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
127 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
128 static int mprsas_volume_add(struct mpr_softc *sc,
129 u16 handle);
130 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto);
131 static void mprsas_stop_unit_done(struct cam_periph *periph,
132 union ccb *done_ccb);
133
134 void
mprsas_evt_handler(struct mpr_softc * sc,uintptr_t data,MPI2_EVENT_NOTIFICATION_REPLY * event)135 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
136 MPI2_EVENT_NOTIFICATION_REPLY *event)
137 {
138 struct mpr_fw_event_work *fw_event;
139 u16 sz;
140
141 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
142 MPR_DPRINT_EVENT(sc, sas, event);
143 mprsas_record_event(sc, event);
144
145 fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
146 M_ZERO|M_NOWAIT);
147 if (!fw_event) {
148 printf("%s: allocate failed for fw_event\n", __func__);
149 return;
150 }
151 sz = le16toh(event->EventDataLength) * 4;
152 fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
153 if (!fw_event->event_data) {
154 printf("%s: allocate failed for event_data\n", __func__);
155 free(fw_event, M_MPR);
156 return;
157 }
158
159 bcopy(event->EventData, fw_event->event_data, sz);
160 fw_event->event = le16toh(event->Event);
161 if ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
162 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
163 fw_event->event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
164 fw_event->event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
165 sc->track_mapping_events)
166 sc->pending_map_events++;
167
168 /*
169 * When wait_for_port_enable flag is set, make sure that all the events
170 * are processed. Increment the startup_refcount and decrement it after
171 * events are processed.
172 */
173 if ((fw_event->event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
174 fw_event->event == MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST ||
175 fw_event->event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
176 sc->wait_for_port_enable)
177 mprsas_startup_increment(sc->sassc);
178
179 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
180 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
181 }
182
183 static void
mprsas_fw_event_free(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)184 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
185 {
186
187 free(fw_event->event_data, M_MPR);
188 free(fw_event, M_MPR);
189 }
190
191 /**
192 * _mpr_fw_work - delayed task for processing firmware events
193 * @sc: per adapter object
194 * @fw_event: The fw_event_work object
195 * Context: user.
196 *
197 * Return nothing.
198 */
199 static void
mprsas_fw_work(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)200 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
201 {
202 struct mprsas_softc *sassc;
203 sassc = sc->sassc;
204
205 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
206 event_count++, __func__, fw_event->event);
207 switch (fw_event->event) {
208 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
209 {
210 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
211 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
212 uint8_t i;
213
214 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
215 fw_event->event_data;
216
217 mpr_mapping_topology_change_event(sc, fw_event->event_data);
218
219 for (i = 0; i < data->NumEntries; i++) {
220 phy = &data->PHY[i];
221 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
222 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
223 if (mprsas_add_device(sc,
224 le16toh(phy->AttachedDevHandle),
225 phy->LinkRate)) {
226 mpr_dprint(sc, MPR_ERROR, "%s: "
227 "failed to add device with handle "
228 "0x%x\n", __func__,
229 le16toh(phy->AttachedDevHandle));
230 mprsas_prepare_remove(sassc, le16toh(
231 phy->AttachedDevHandle));
232 }
233 break;
234 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
235 mprsas_prepare_remove(sassc, le16toh(
236 phy->AttachedDevHandle));
237 break;
238 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
239 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
240 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
241 default:
242 break;
243 }
244 }
245 /*
246 * refcount was incremented for this event in
247 * mprsas_evt_handler. Decrement it here because the event has
248 * been processed.
249 */
250 mprsas_startup_decrement(sassc);
251 break;
252 }
253 case MPI2_EVENT_SAS_DISCOVERY:
254 {
255 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
256
257 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
258
259 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
260 mpr_dprint(sc, MPR_TRACE,"SAS discovery start event\n");
261 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
262 mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
263 sassc->flags &= ~MPRSAS_IN_DISCOVERY;
264 mprsas_discovery_end(sassc);
265 }
266 break;
267 }
268 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
269 {
270 mpr_mapping_enclosure_dev_status_change_event(sc,
271 fw_event->event_data);
272 break;
273 }
274 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
275 {
276 Mpi2EventIrConfigElement_t *element;
277 int i;
278 u8 foreign_config, reason;
279 u16 elementType;
280 Mpi2EventDataIrConfigChangeList_t *event_data;
281 struct mprsas_target *targ;
282 unsigned int id;
283
284 event_data = fw_event->event_data;
285 foreign_config = (le32toh(event_data->Flags) &
286 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
287
288 element =
289 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
290 id = mpr_mapping_get_raid_tid_from_handle(sc,
291 element->VolDevHandle);
292
293 mpr_mapping_ir_config_change_event(sc, event_data);
294 for (i = 0; i < event_data->NumElements; i++, element++) {
295 reason = element->ReasonCode;
296 elementType = le16toh(element->ElementFlags) &
297 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
298 /*
299 * check for element type of Phys Disk or Hot Spare
300 */
301 if ((elementType !=
302 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
303 && (elementType !=
304 MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
305 // do next element
306 goto skip_fp_send;
307
308 /*
309 * check for reason of Hide, Unhide, PD Created, or PD
310 * Deleted
311 */
312 if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
313 (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
314 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
315 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
316 goto skip_fp_send;
317
318 // check for a reason of Hide or PD Created
319 if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
320 (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
321 {
322 // build RAID Action message
323 Mpi2RaidActionRequest_t *action;
324 Mpi2RaidActionReply_t *reply = NULL;
325 struct mpr_command *cm;
326 int error = 0;
327 if ((cm = mpr_alloc_command(sc)) == NULL) {
328 printf("%s: command alloc failed\n",
329 __func__);
330 return;
331 }
332
333 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
334 "from "
335 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
336 ":\n");
337 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
338 action->Function = MPI2_FUNCTION_RAID_ACTION;
339 action->Action =
340 MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
341 action->PhysDiskNum = element->PhysDiskNum;
342 cm->cm_desc.Default.RequestFlags =
343 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
344 error = mpr_request_polled(sc, &cm);
345 if (cm != NULL)
346 reply = (Mpi2RaidActionReply_t *)
347 cm->cm_reply;
348 if (error || (reply == NULL)) {
349 /* FIXME */
350 /*
351 * If the poll returns error then we
352 * need to do diag reset
353 */
354 printf("%s: poll for page completed "
355 "with error %d\n", __func__, error);
356 }
357 if (reply && (le16toh(reply->IOCStatus) &
358 MPI2_IOCSTATUS_MASK) !=
359 MPI2_IOCSTATUS_SUCCESS) {
360 mpr_dprint(sc, MPR_ERROR, "%s: error "
361 "sending RaidActionPage; "
362 "iocstatus = 0x%x\n", __func__,
363 le16toh(reply->IOCStatus));
364 }
365
366 if (cm)
367 mpr_free_command(sc, cm);
368 }
369 skip_fp_send:
370 mpr_dprint(sc, MPR_EVENT, "Received "
371 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
372 "code %x:\n", element->ReasonCode);
373 switch (element->ReasonCode) {
374 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
375 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
376 if (!foreign_config) {
377 if (mprsas_volume_add(sc,
378 le16toh(element->VolDevHandle))) {
379 printf("%s: failed to add RAID "
380 "volume with handle 0x%x\n",
381 __func__, le16toh(element->
382 VolDevHandle));
383 }
384 }
385 break;
386 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
387 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
388 /*
389 * Rescan after volume is deleted or removed.
390 */
391 if (!foreign_config) {
392 if (id == MPR_MAP_BAD_ID) {
393 printf("%s: could not get ID "
394 "for volume with handle "
395 "0x%04x\n", __func__,
396 le16toh(element->
397 VolDevHandle));
398 break;
399 }
400
401 targ = &sassc->targets[id];
402 targ->handle = 0x0;
403 targ->encl_slot = 0x0;
404 targ->encl_handle = 0x0;
405 targ->encl_level_valid = 0x0;
406 targ->encl_level = 0x0;
407 targ->connector_name[0] = ' ';
408 targ->connector_name[1] = ' ';
409 targ->connector_name[2] = ' ';
410 targ->connector_name[3] = ' ';
411 targ->exp_dev_handle = 0x0;
412 targ->phy_num = 0x0;
413 targ->linkrate = 0x0;
414 mprsas_rescan_target(sc, targ);
415 printf("RAID target id 0x%x removed\n",
416 targ->tid);
417 }
418 break;
419 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
420 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
421 /*
422 * Phys Disk of a volume has been created. Hide
423 * it from the OS.
424 */
425 targ = mprsas_find_target_by_handle(sassc, 0,
426 element->PhysDiskDevHandle);
427 if (targ == NULL)
428 break;
429 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
430 mprsas_rescan_target(sc, targ);
431 break;
432 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
433 /*
434 * Phys Disk of a volume has been deleted.
435 * Expose it to the OS.
436 */
437 if (mprsas_add_device(sc,
438 le16toh(element->PhysDiskDevHandle), 0)) {
439 printf("%s: failed to add device with "
440 "handle 0x%x\n", __func__,
441 le16toh(element->
442 PhysDiskDevHandle));
443 mprsas_prepare_remove(sassc,
444 le16toh(element->
445 PhysDiskDevHandle));
446 }
447 break;
448 }
449 }
450 /*
451 * refcount was incremented for this event in
452 * mprsas_evt_handler. Decrement it here because the event has
453 * been processed.
454 */
455 mprsas_startup_decrement(sassc);
456 break;
457 }
458 case MPI2_EVENT_IR_VOLUME:
459 {
460 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
461
462 /*
463 * Informational only.
464 */
465 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
466 switch (event_data->ReasonCode) {
467 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
468 mpr_dprint(sc, MPR_EVENT, " Volume Settings "
469 "changed from 0x%x to 0x%x for Volome with "
470 "handle 0x%x", le32toh(event_data->PreviousValue),
471 le32toh(event_data->NewValue),
472 le16toh(event_data->VolDevHandle));
473 break;
474 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
475 mpr_dprint(sc, MPR_EVENT, " Volume Status "
476 "changed from 0x%x to 0x%x for Volome with "
477 "handle 0x%x", le32toh(event_data->PreviousValue),
478 le32toh(event_data->NewValue),
479 le16toh(event_data->VolDevHandle));
480 break;
481 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
482 mpr_dprint(sc, MPR_EVENT, " Volume State "
483 "changed from 0x%x to 0x%x for Volome with "
484 "handle 0x%x", le32toh(event_data->PreviousValue),
485 le32toh(event_data->NewValue),
486 le16toh(event_data->VolDevHandle));
487 u32 state;
488 struct mprsas_target *targ;
489 state = le32toh(event_data->NewValue);
490 switch (state) {
491 case MPI2_RAID_VOL_STATE_MISSING:
492 case MPI2_RAID_VOL_STATE_FAILED:
493 mprsas_prepare_volume_remove(sassc,
494 event_data->VolDevHandle);
495 break;
496
497 case MPI2_RAID_VOL_STATE_ONLINE:
498 case MPI2_RAID_VOL_STATE_DEGRADED:
499 case MPI2_RAID_VOL_STATE_OPTIMAL:
500 targ =
501 mprsas_find_target_by_handle(sassc,
502 0, event_data->VolDevHandle);
503 if (targ) {
504 printf("%s %d: Volume handle "
505 "0x%x is already added \n",
506 __func__, __LINE__,
507 event_data->VolDevHandle);
508 break;
509 }
510 if (mprsas_volume_add(sc,
511 le16toh(event_data->
512 VolDevHandle))) {
513 printf("%s: failed to add RAID "
514 "volume with handle 0x%x\n",
515 __func__, le16toh(
516 event_data->VolDevHandle));
517 }
518 break;
519 default:
520 break;
521 }
522 break;
523 default:
524 break;
525 }
526 break;
527 }
528 case MPI2_EVENT_IR_PHYSICAL_DISK:
529 {
530 Mpi2EventDataIrPhysicalDisk_t *event_data =
531 fw_event->event_data;
532 struct mprsas_target *targ;
533
534 /*
535 * Informational only.
536 */
537 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
538 switch (event_data->ReasonCode) {
539 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
540 mpr_dprint(sc, MPR_EVENT, " Phys Disk Settings "
541 "changed from 0x%x to 0x%x for Phys Disk Number "
542 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
543 "%d", le32toh(event_data->PreviousValue),
544 le32toh(event_data->NewValue),
545 event_data->PhysDiskNum,
546 le16toh(event_data->PhysDiskDevHandle),
547 le16toh(event_data->EnclosureHandle),
548 le16toh(event_data->Slot));
549 break;
550 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
551 mpr_dprint(sc, MPR_EVENT, " Phys Disk Status changed "
552 "from 0x%x to 0x%x for Phys Disk Number %d and "
553 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
554 le32toh(event_data->PreviousValue),
555 le32toh(event_data->NewValue),
556 event_data->PhysDiskNum,
557 le16toh(event_data->PhysDiskDevHandle),
558 le16toh(event_data->EnclosureHandle),
559 le16toh(event_data->Slot));
560 break;
561 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
562 mpr_dprint(sc, MPR_EVENT, " Phys Disk State changed "
563 "from 0x%x to 0x%x for Phys Disk Number %d and "
564 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
565 le32toh(event_data->PreviousValue),
566 le32toh(event_data->NewValue),
567 event_data->PhysDiskNum,
568 le16toh(event_data->PhysDiskDevHandle),
569 le16toh(event_data->EnclosureHandle),
570 le16toh(event_data->Slot));
571 switch (event_data->NewValue) {
572 case MPI2_RAID_PD_STATE_ONLINE:
573 case MPI2_RAID_PD_STATE_DEGRADED:
574 case MPI2_RAID_PD_STATE_REBUILDING:
575 case MPI2_RAID_PD_STATE_OPTIMAL:
576 case MPI2_RAID_PD_STATE_HOT_SPARE:
577 targ = mprsas_find_target_by_handle(
578 sassc, 0,
579 event_data->PhysDiskDevHandle);
580 if (targ) {
581 targ->flags |=
582 MPR_TARGET_FLAGS_RAID_COMPONENT;
583 printf("%s %d: Found Target "
584 "for handle 0x%x.\n",
585 __func__, __LINE__ ,
586 event_data->
587 PhysDiskDevHandle);
588 }
589 break;
590 case MPI2_RAID_PD_STATE_OFFLINE:
591 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
592 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
593 default:
594 targ = mprsas_find_target_by_handle(
595 sassc, 0,
596 event_data->PhysDiskDevHandle);
597 if (targ) {
598 targ->flags |=
599 ~MPR_TARGET_FLAGS_RAID_COMPONENT;
600 printf("%s %d: Found Target "
601 "for handle 0x%x. \n",
602 __func__, __LINE__ ,
603 event_data->
604 PhysDiskDevHandle);
605 }
606 break;
607 }
608 default:
609 break;
610 }
611 break;
612 }
613 case MPI2_EVENT_IR_OPERATION_STATUS:
614 {
615 Mpi2EventDataIrOperationStatus_t *event_data =
616 fw_event->event_data;
617
618 /*
619 * Informational only.
620 */
621 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
622 mpr_dprint(sc, MPR_EVENT, " RAID Operation of %d is %d "
623 "percent complete for Volume with handle 0x%x",
624 event_data->RAIDOperation, event_data->PercentComplete,
625 le16toh(event_data->VolDevHandle));
626 break;
627 }
628 case MPI2_EVENT_TEMP_THRESHOLD:
629 {
630 pMpi2EventDataTemperature_t temp_event;
631
632 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
633
634 /*
635 * The Temp Sensor Count must be greater than the event's Sensor
636 * Num to be valid. If valid, print the temp thresholds that
637 * have been exceeded.
638 */
639 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
640 mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
641 "%s %s %s %s exceeded for Sensor: %d !!!\n",
642 ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
643 ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
644 ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
645 ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
646 temp_event->SensorNum);
647 mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
648 "%d\n", temp_event->CurrentTemperature);
649 }
650 break;
651 }
652 case MPI2_EVENT_ACTIVE_CABLE_EXCEPTION:
653 {
654 pMpi26EventDataActiveCableExcept_t ace_event_data;
655 ace_event_data =
656 (pMpi26EventDataActiveCableExcept_t)fw_event->event_data;
657
658 switch(ace_event_data->ReasonCode) {
659 case MPI26_EVENT_ACTIVE_CABLE_INSUFFICIENT_POWER:
660 {
661 mpr_printf(sc, "Currently a cable with "
662 "ReceptacleID %d cannot be powered and device "
663 "connected to this active cable will not be seen. "
664 "This active cable requires %d mW of power.\n",
665 ace_event_data->ReceptacleID,
666 ace_event_data->ActiveCablePowerRequirement);
667 break;
668 }
669 case MPI26_EVENT_ACTIVE_CABLE_DEGRADED:
670 {
671 mpr_printf(sc, "Currently a cable with "
672 "ReceptacleID %d is not running at optimal speed "
673 "(12 Gb/s rate)\n", ace_event_data->ReceptacleID);
674 break;
675 }
676 default:
677 break;
678 }
679 break;
680 }
681 case MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE:
682 {
683 pMpi26EventDataPCIeDeviceStatusChange_t pcie_status_event_data;
684 pcie_status_event_data =
685 (pMpi26EventDataPCIeDeviceStatusChange_t)fw_event->event_data;
686
687 switch (pcie_status_event_data->ReasonCode) {
688 case MPI26_EVENT_PCIDEV_STAT_RC_PCIE_HOT_RESET_FAILED:
689 {
690 mpr_printf(sc, "PCIe Host Reset failed on DevHandle "
691 "0x%x\n", pcie_status_event_data->DevHandle);
692 break;
693 }
694 default:
695 break;
696 }
697 break;
698 }
699 case MPI2_EVENT_SAS_DEVICE_DISCOVERY_ERROR:
700 {
701 pMpi25EventDataSasDeviceDiscoveryError_t discovery_error_data;
702 uint64_t sas_address;
703
704 discovery_error_data =
705 (pMpi25EventDataSasDeviceDiscoveryError_t)
706 fw_event->event_data;
707
708 sas_address = discovery_error_data->SASAddress.High;
709 sas_address = (sas_address << 32) |
710 discovery_error_data->SASAddress.Low;
711
712 switch(discovery_error_data->ReasonCode) {
713 case MPI25_EVENT_SAS_DISC_ERR_SMP_FAILED:
714 {
715 mpr_printf(sc, "SMP command failed during discovery "
716 "for expander with SAS Address %jx and "
717 "handle 0x%x.\n", sas_address,
718 discovery_error_data->DevHandle);
719 break;
720 }
721 case MPI25_EVENT_SAS_DISC_ERR_SMP_TIMEOUT:
722 {
723 mpr_printf(sc, "SMP command timed out during "
724 "discovery for expander with SAS Address %jx and "
725 "handle 0x%x.\n", sas_address,
726 discovery_error_data->DevHandle);
727 break;
728 }
729 default:
730 break;
731 }
732 break;
733 }
734 case MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST:
735 {
736 MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *data;
737 MPI26_EVENT_PCIE_TOPO_PORT_ENTRY *port_entry;
738 uint8_t i, link_rate;
739 uint16_t handle;
740
741 data = (MPI26_EVENT_DATA_PCIE_TOPOLOGY_CHANGE_LIST *)
742 fw_event->event_data;
743
744 mpr_mapping_pcie_topology_change_event(sc,
745 fw_event->event_data);
746
747 for (i = 0; i < data->NumEntries; i++) {
748 port_entry = &data->PortEntry[i];
749 handle = le16toh(port_entry->AttachedDevHandle);
750 link_rate = port_entry->CurrentPortInfo &
751 MPI26_EVENT_PCIE_TOPO_PI_RATE_MASK;
752 switch (port_entry->PortStatus) {
753 case MPI26_EVENT_PCIE_TOPO_PS_DEV_ADDED:
754 if (link_rate <
755 MPI26_EVENT_PCIE_TOPO_PI_RATE_2_5) {
756 mpr_dprint(sc, MPR_ERROR, "%s: Cannot "
757 "add PCIe device with handle 0x%x "
758 "with unknown link rate.\n",
759 __func__, handle);
760 break;
761 }
762 if (mprsas_add_pcie_device(sc, handle,
763 link_rate)) {
764 mpr_dprint(sc, MPR_ERROR, "%s: failed "
765 "to add PCIe device with handle "
766 "0x%x\n", __func__, handle);
767 mprsas_prepare_remove(sassc, handle);
768 }
769 break;
770 case MPI26_EVENT_PCIE_TOPO_PS_NOT_RESPONDING:
771 mprsas_prepare_remove(sassc, handle);
772 break;
773 case MPI26_EVENT_PCIE_TOPO_PS_PORT_CHANGED:
774 case MPI26_EVENT_PCIE_TOPO_PS_NO_CHANGE:
775 case MPI26_EVENT_PCIE_TOPO_PS_DELAY_NOT_RESPONDING:
776 default:
777 break;
778 }
779 }
780 /*
781 * refcount was incremented for this event in
782 * mprsas_evt_handler. Decrement it here because the event has
783 * been processed.
784 */
785 mprsas_startup_decrement(sassc);
786 break;
787 }
788 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
789 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
790 default:
791 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
792 fw_event->event);
793 break;
794 }
795 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
796 __func__, fw_event->event);
797 mprsas_fw_event_free(sc, fw_event);
798 }
799
800 void
mprsas_firmware_event_work(void * arg,int pending)801 mprsas_firmware_event_work(void *arg, int pending)
802 {
803 struct mpr_fw_event_work *fw_event;
804 struct mpr_softc *sc;
805
806 sc = (struct mpr_softc *)arg;
807 mpr_lock(sc);
808 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
809 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
810 mprsas_fw_work(sc, fw_event);
811 }
812 mpr_unlock(sc);
813 }
814
815 static int
mprsas_add_device(struct mpr_softc * sc,u16 handle,u8 linkrate)816 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
817 {
818 char devstring[80];
819 struct mprsas_softc *sassc;
820 struct mprsas_target *targ;
821 Mpi2ConfigReply_t mpi_reply;
822 Mpi2SasDevicePage0_t config_page;
823 uint64_t sas_address, parent_sas_address = 0;
824 u32 device_info, parent_devinfo = 0;
825 unsigned int id;
826 int ret = 1, error = 0, i;
827 struct mprsas_lun *lun;
828 u8 is_SATA_SSD = 0;
829 struct mpr_command *cm;
830
831 sassc = sc->sassc;
832 mprsas_startup_increment(sassc);
833 if (mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
834 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle) != 0) {
835 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
836 "Error reading SAS device %#x page0, iocstatus= 0x%x\n",
837 handle, mpi_reply.IOCStatus);
838 error = ENXIO;
839 goto out;
840 }
841
842 device_info = le32toh(config_page.DeviceInfo);
843
844 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
845 && (le16toh(config_page.ParentDevHandle) != 0)) {
846 Mpi2ConfigReply_t tmp_mpi_reply;
847 Mpi2SasDevicePage0_t parent_config_page;
848
849 if (mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
850 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
851 le16toh(config_page.ParentDevHandle)) != 0) {
852 mpr_dprint(sc, MPR_MAPPING|MPR_FAULT,
853 "Error reading parent SAS device %#x page0, "
854 "iocstatus= 0x%x\n",
855 le16toh(config_page.ParentDevHandle),
856 tmp_mpi_reply.IOCStatus);
857 } else {
858 parent_sas_address = parent_config_page.SASAddress.High;
859 parent_sas_address = (parent_sas_address << 32) |
860 parent_config_page.SASAddress.Low;
861 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
862 }
863 }
864 sas_address = htole32(config_page.SASAddress.High);
865 sas_address = (sas_address << 32) | htole32(config_page.SASAddress.Low);
866 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address from SAS device "
867 "page0 = %jx\n", handle, sas_address);
868
869 /*
870 * Always get SATA Identify information because this is used to
871 * determine if Start/Stop Unit should be sent to the drive when the
872 * system is shutdown.
873 */
874 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
875 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
876 handle, device_info, &is_SATA_SSD);
877 if (ret) {
878 mpr_dprint(sc, MPR_MAPPING|MPR_ERROR,
879 "%s: failed to get disk type (SSD or HDD) for SATA "
880 "device with handle 0x%04x\n",
881 __func__, handle);
882 } else {
883 mpr_dprint(sc, MPR_MAPPING, "Handle 0x%04x SAS Address "
884 "from SATA device = %jx\n", handle, sas_address);
885 }
886 }
887
888 /*
889 * use_phynum:
890 * 1 - use the PhyNum field as a fallback to the mapping logic
891 * 0 - never use the PhyNum field
892 * -1 - only use the PhyNum field
893 *
894 * Note that using the Phy number to map a device can cause device adds
895 * to fail if multiple enclosures/expanders are in the topology. For
896 * example, if two devices are in the same slot number in two different
897 * enclosures within the topology, only one of those devices will be
898 * added. PhyNum mapping should not be used if multiple enclosures are
899 * in the topology.
900 */
901 id = MPR_MAP_BAD_ID;
902 if (sc->use_phynum != -1)
903 id = mpr_mapping_get_tid(sc, sas_address, handle);
904 if (id == MPR_MAP_BAD_ID) {
905 if ((sc->use_phynum == 0) ||
906 ((id = config_page.PhyNum) > sassc->maxtargets)) {
907 mpr_dprint(sc, MPR_INFO, "failure at %s:%d/%s()! "
908 "Could not get ID for device with handle 0x%04x\n",
909 __FILE__, __LINE__, __func__, handle);
910 error = ENXIO;
911 goto out;
912 }
913 }
914 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
915 __func__, id);
916
917 /*
918 * Only do the ID check and reuse check if the target is not from a
919 * RAID Component. For Physical Disks of a Volume, the ID will be reused
920 * when a volume is deleted because the mapping entry for the PD will
921 * still be in the mapping table. The ID check should not be done here
922 * either since this PD is already being used.
923 */
924 targ = &sassc->targets[id];
925 if (!(targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT)) {
926 if (mprsas_check_id(sassc, id) != 0) {
927 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
928 "Excluding target id %d\n", id);
929 error = ENXIO;
930 goto out;
931 }
932
933 if (targ->handle != 0x0) {
934 mpr_dprint(sc, MPR_MAPPING, "Attempting to reuse "
935 "target id %d handle 0x%04x\n", id, targ->handle);
936 error = ENXIO;
937 goto out;
938 }
939 }
940
941 targ->devinfo = device_info;
942 targ->devname = le32toh(config_page.DeviceName.High);
943 targ->devname = (targ->devname << 32) |
944 le32toh(config_page.DeviceName.Low);
945 targ->encl_handle = le16toh(config_page.EnclosureHandle);
946 targ->encl_slot = le16toh(config_page.Slot);
947 targ->encl_level = config_page.EnclosureLevel;
948 targ->connector_name[0] = config_page.ConnectorName[0];
949 targ->connector_name[1] = config_page.ConnectorName[1];
950 targ->connector_name[2] = config_page.ConnectorName[2];
951 targ->connector_name[3] = config_page.ConnectorName[3];
952 targ->handle = handle;
953 targ->parent_handle = le16toh(config_page.ParentDevHandle);
954 targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
955 targ->parent_sasaddr = le64toh(parent_sas_address);
956 targ->parent_devinfo = parent_devinfo;
957 targ->tid = id;
958 targ->linkrate = (linkrate>>4);
959 targ->flags = 0;
960 if (is_SATA_SSD) {
961 targ->flags = MPR_TARGET_IS_SATA_SSD;
962 }
963 if ((le16toh(config_page.Flags) &
964 MPI25_SAS_DEVICE0_FLAGS_ENABLED_FAST_PATH) &&
965 (le16toh(config_page.Flags) &
966 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE)) {
967 targ->scsi_req_desc_type =
968 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
969 }
970 if (le16toh(config_page.Flags) &
971 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
972 targ->encl_level_valid = TRUE;
973 }
974 TAILQ_INIT(&targ->commands);
975 TAILQ_INIT(&targ->timedout_commands);
976 while (!SLIST_EMPTY(&targ->luns)) {
977 lun = SLIST_FIRST(&targ->luns);
978 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
979 free(lun, M_MPR);
980 }
981 SLIST_INIT(&targ->luns);
982
983 mpr_describe_devinfo(targ->devinfo, devstring, 80);
984 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
985 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
986 mpr_describe_table(mpr_linkrate_names, targ->linkrate),
987 targ->handle, targ->encl_handle, targ->encl_slot);
988 if (targ->encl_level_valid) {
989 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
990 "and connector name (%4s)\n", targ->encl_level,
991 targ->connector_name);
992 }
993 mprsas_rescan_target(sc, targ);
994 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
995
996 /*
997 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
998 * If so, send a Target Reset TM to the target that was just created.
999 * An Abort Task TM should be used instead of a Target Reset, but that
1000 * would be much more difficult because targets have not been fully
1001 * discovered yet, and LUN's haven't been setup. So, just reset the
1002 * target instead of the LUN. The commands should complete once
1003 * the target has been reset.
1004 */
1005 for (i = 1; i < sc->num_reqs; i++) {
1006 cm = &sc->commands[i];
1007 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
1008 targ->timeouts++;
1009 cm->cm_flags |= MPR_CM_FLAGS_TIMEDOUT;
1010
1011 if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1012 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
1013 "Reset for stuck SATA identify command "
1014 "(cm = %p)\n", __func__, cm);
1015 targ->tm->cm_targ = targ;
1016 mprsas_send_reset(sc, targ->tm,
1017 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1018 } else {
1019 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
1020 "tm for Target Reset after SATA ID command "
1021 "timed out (cm %p)\n", cm);
1022 }
1023 /*
1024 * No need to check for more since the target is
1025 * already being reset.
1026 */
1027 break;
1028 }
1029 }
1030 out:
1031 mprsas_startup_decrement(sassc);
1032 return (error);
1033 }
1034
1035 int
mprsas_get_sas_address_for_sata_disk(struct mpr_softc * sc,u64 * sas_address,u16 handle,u32 device_info,u8 * is_SATA_SSD)1036 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
1037 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
1038 {
1039 Mpi2SataPassthroughReply_t mpi_reply;
1040 int i, rc, try_count;
1041 u32 *bufferptr;
1042 union _sata_sas_address hash_address;
1043 struct _ata_identify_device_data ata_identify;
1044 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
1045 u32 ioc_status;
1046 u8 sas_status;
1047
1048 memset(&ata_identify, 0, sizeof(ata_identify));
1049 memset(&mpi_reply, 0, sizeof(mpi_reply));
1050 try_count = 0;
1051 do {
1052 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
1053 (char *)&ata_identify, sizeof(ata_identify), device_info);
1054 try_count++;
1055 ioc_status = le16toh(mpi_reply.IOCStatus)
1056 & MPI2_IOCSTATUS_MASK;
1057 sas_status = mpi_reply.SASStatus;
1058 switch (ioc_status) {
1059 case MPI2_IOCSTATUS_SUCCESS:
1060 break;
1061 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1062 /* No sense sleeping. this error won't get better */
1063 break;
1064 default:
1065 if (sc->spinup_wait_time > 0) {
1066 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
1067 "after SATA ID error to wait for spinup\n",
1068 sc->spinup_wait_time);
1069 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
1070 "mprid", sc->spinup_wait_time * hz);
1071 }
1072 }
1073 } while (((rc && (rc != EWOULDBLOCK)) ||
1074 (ioc_status && (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
1075 || sas_status) && (try_count < 5));
1076
1077 if (rc == 0 && !ioc_status && !sas_status) {
1078 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
1079 "successfully for handle = 0x%x with try_count = %d\n",
1080 __func__, handle, try_count);
1081 } else {
1082 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
1083 __func__, handle);
1084 return -1;
1085 }
1086 /* Copy & byteswap the 40 byte model number to a buffer */
1087 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
1088 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
1089 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
1090 }
1091 /* Copy & byteswap the 20 byte serial number to a buffer */
1092 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
1093 buffer[MPT2SAS_MN_LEN + i] =
1094 ((u8 *)ata_identify.serial_number)[i + 1];
1095 buffer[MPT2SAS_MN_LEN + i + 1] =
1096 ((u8 *)ata_identify.serial_number)[i];
1097 }
1098 bufferptr = (u32 *)buffer;
1099 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
1100 * so loop through the first 56 bytes (7*8),
1101 * and then add in the last dword.
1102 */
1103 hash_address.word.low = 0;
1104 hash_address.word.high = 0;
1105 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
1106 hash_address.word.low += *bufferptr;
1107 bufferptr++;
1108 hash_address.word.high += *bufferptr;
1109 bufferptr++;
1110 }
1111 /* Add the last dword */
1112 hash_address.word.low += *bufferptr;
1113 /* Make sure the hash doesn't start with 5, because it could clash
1114 * with a SAS address. Change 5 to a D.
1115 */
1116 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
1117 hash_address.word.high |= 0x00000080;
1118 *sas_address = (u64)hash_address.wwid[0] << 56 |
1119 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
1120 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
1121 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
1122 (u64)hash_address.wwid[7];
1123 if (ata_identify.rotational_speed == 1) {
1124 *is_SATA_SSD = 1;
1125 }
1126
1127 return 0;
1128 }
1129
1130 static int
mprsas_get_sata_identify(struct mpr_softc * sc,u16 handle,Mpi2SataPassthroughReply_t * mpi_reply,char * id_buffer,int sz,u32 devinfo)1131 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
1132 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
1133 {
1134 Mpi2SataPassthroughRequest_t *mpi_request;
1135 Mpi2SataPassthroughReply_t *reply;
1136 struct mpr_command *cm;
1137 char *buffer;
1138 int error = 0;
1139
1140 buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
1141 if (!buffer)
1142 return ENOMEM;
1143
1144 if ((cm = mpr_alloc_command(sc)) == NULL) {
1145 free(buffer, M_MPR);
1146 return (EBUSY);
1147 }
1148 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
1149 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
1150 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
1151 mpi_request->VF_ID = 0;
1152 mpi_request->DevHandle = htole16(handle);
1153 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
1154 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
1155 mpi_request->DataLength = htole32(sz);
1156 mpi_request->CommandFIS[0] = 0x27;
1157 mpi_request->CommandFIS[1] = 0x80;
1158 mpi_request->CommandFIS[2] = (devinfo &
1159 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
1160 cm->cm_sge = &mpi_request->SGL;
1161 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
1162 cm->cm_flags = MPR_CM_FLAGS_DATAIN;
1163 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1164 cm->cm_data = buffer;
1165 cm->cm_length = htole32(sz);
1166
1167 /*
1168 * Use a custom handler to avoid reinit'ing the controller on timeout.
1169 * This fixes a problem where the FW does not send a reply sometimes
1170 * when a bad disk is in the topology. So, this is used to timeout the
1171 * command so that processing can continue normally.
1172 */
1173 cm->cm_timeout_handler = mprsas_ata_id_timeout;
1174
1175 error = mpr_wait_command(sc, &cm, MPR_ATA_ID_TIMEOUT, CAN_SLEEP);
1176
1177 /* mprsas_ata_id_timeout does not reset controller */
1178 KASSERT(cm != NULL, ("%s: surprise command freed", __func__));
1179
1180 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1181 if (error || (reply == NULL)) {
1182 /* FIXME */
1183 /*
1184 * If the request returns an error then we need to do a diag
1185 * reset
1186 */
1187 mpr_dprint(sc, MPR_INFO|MPR_FAULT|MPR_MAPPING,
1188 "Request for SATA PASSTHROUGH page completed with error %d\n",
1189 error);
1190 error = ENXIO;
1191 goto out;
1192 }
1193 bcopy(buffer, id_buffer, sz);
1194 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1195 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1196 MPI2_IOCSTATUS_SUCCESS) {
1197 mpr_dprint(sc, MPR_INFO|MPR_MAPPING|MPR_FAULT,
1198 "Error reading device %#x SATA PASSTHRU; iocstatus= 0x%x\n",
1199 handle, reply->IOCStatus);
1200 error = ENXIO;
1201 goto out;
1202 }
1203 out:
1204 /*
1205 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1206 * it. The command and buffer will be freed after we send a Target
1207 * Reset TM and the command comes back from the controller.
1208 */
1209 if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0) {
1210 mpr_free_command(sc, cm);
1211 free(buffer, M_MPR);
1212 }
1213 return (error);
1214 }
1215
1216 /*
1217 * This is completion handler to make sure that commands and allocated
1218 * buffers get freed when timed out SATA ID commands finally complete after
1219 * we've reset the target. In the normal case, we wait for the command to
1220 * complete.
1221 */
1222 static void
mprsas_ata_id_complete(struct mpr_softc * sc,struct mpr_command * cm)1223 mprsas_ata_id_complete(struct mpr_softc *sc, struct mpr_command *cm)
1224 {
1225 mpr_dprint(sc, MPR_INFO, "%s ATA ID completed late cm %p sc %p\n",
1226 __func__, cm, sc);
1227
1228 free(cm->cm_data, M_MPR);
1229 mpr_free_command(sc, cm);
1230 }
1231
1232 static void
mprsas_ata_id_timeout(struct mpr_softc * sc,struct mpr_command * cm)1233 mprsas_ata_id_timeout(struct mpr_softc *sc, struct mpr_command *cm)
1234 {
1235
1236 mpr_dprint(sc, MPR_INFO, "%s ATA ID command timeout cm %p sc %p\n",
1237 __func__, cm, sc);
1238
1239 /*
1240 * The Abort Task cannot be sent from here because the driver has not
1241 * completed setting up targets. Instead, the command is flagged so
1242 * that special handling will be used to send the abort. Now that
1243 * this command has timed out, it's no longer in the queue.
1244 */
1245 cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1246
1247 /*
1248 * Since we will no longer be waiting for the command to complete,
1249 * set a completion handler to make sure we free all resources.
1250 */
1251 cm->cm_complete = mprsas_ata_id_complete;
1252 }
1253
1254 static int
mprsas_add_pcie_device(struct mpr_softc * sc,u16 handle,u8 linkrate)1255 mprsas_add_pcie_device(struct mpr_softc *sc, u16 handle, u8 linkrate)
1256 {
1257 char devstring[80];
1258 struct mprsas_softc *sassc;
1259 struct mprsas_target *targ;
1260 Mpi2ConfigReply_t mpi_reply;
1261 Mpi26PCIeDevicePage0_t config_page;
1262 Mpi26PCIeDevicePage2_t config_page2;
1263 uint64_t pcie_wwid, parent_wwid = 0;
1264 u32 device_info, parent_devinfo = 0;
1265 unsigned int id;
1266 int error = 0;
1267 struct mprsas_lun *lun;
1268
1269 sassc = sc->sassc;
1270 mprsas_startup_increment(sassc);
1271 if ((mpr_config_get_pcie_device_pg0(sc, &mpi_reply, &config_page,
1272 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1273 printf("%s: error reading PCIe device page0\n", __func__);
1274 error = ENXIO;
1275 goto out;
1276 }
1277
1278 device_info = le32toh(config_page.DeviceInfo);
1279
1280 if (((device_info & MPI26_PCIE_DEVINFO_PCI_SWITCH) == 0)
1281 && (le16toh(config_page.ParentDevHandle) != 0)) {
1282 Mpi2ConfigReply_t tmp_mpi_reply;
1283 Mpi26PCIeDevicePage0_t parent_config_page;
1284
1285 if ((mpr_config_get_pcie_device_pg0(sc, &tmp_mpi_reply,
1286 &parent_config_page, MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE,
1287 le16toh(config_page.ParentDevHandle)))) {
1288 printf("%s: error reading PCIe device %#x page0\n",
1289 __func__, le16toh(config_page.ParentDevHandle));
1290 } else {
1291 parent_wwid = parent_config_page.WWID.High;
1292 parent_wwid = (parent_wwid << 32) |
1293 parent_config_page.WWID.Low;
1294 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
1295 }
1296 }
1297 /* TODO Check proper endianness */
1298 pcie_wwid = config_page.WWID.High;
1299 pcie_wwid = (pcie_wwid << 32) | config_page.WWID.Low;
1300 mpr_dprint(sc, MPR_INFO, "PCIe WWID from PCIe device page0 = %jx\n",
1301 pcie_wwid);
1302
1303 if ((mpr_config_get_pcie_device_pg2(sc, &mpi_reply, &config_page2,
1304 MPI26_PCIE_DEVICE_PGAD_FORM_HANDLE, handle))) {
1305 printf("%s: error reading PCIe device page2\n", __func__);
1306 error = ENXIO;
1307 goto out;
1308 }
1309
1310 id = mpr_mapping_get_tid(sc, pcie_wwid, handle);
1311 if (id == MPR_MAP_BAD_ID) {
1312 mpr_dprint(sc, MPR_ERROR | MPR_INFO, "failure at %s:%d/%s()! "
1313 "Could not get ID for device with handle 0x%04x\n",
1314 __FILE__, __LINE__, __func__, handle);
1315 error = ENXIO;
1316 goto out;
1317 }
1318 mpr_dprint(sc, MPR_MAPPING, "%s: Target ID for added device is %d.\n",
1319 __func__, id);
1320
1321 if (mprsas_check_id(sassc, id) != 0) {
1322 mpr_dprint(sc, MPR_MAPPING|MPR_INFO,
1323 "Excluding target id %d\n", id);
1324 error = ENXIO;
1325 goto out;
1326 }
1327
1328 mpr_dprint(sc, MPR_MAPPING, "WWID from PCIe device page0 = %jx\n",
1329 pcie_wwid);
1330 targ = &sassc->targets[id];
1331 targ->devinfo = device_info;
1332 targ->encl_handle = le16toh(config_page.EnclosureHandle);
1333 targ->encl_slot = le16toh(config_page.Slot);
1334 targ->encl_level = config_page.EnclosureLevel;
1335 targ->connector_name[0] = ((char *)&config_page.ConnectorName)[0];
1336 targ->connector_name[1] = ((char *)&config_page.ConnectorName)[1];
1337 targ->connector_name[2] = ((char *)&config_page.ConnectorName)[2];
1338 targ->connector_name[3] = ((char *)&config_page.ConnectorName)[3];
1339 targ->is_nvme = device_info & MPI26_PCIE_DEVINFO_NVME;
1340 targ->MDTS = config_page2.MaximumDataTransferSize;
1341 if (targ->is_nvme)
1342 targ->controller_reset_timeout = config_page2.ControllerResetTO;
1343 /*
1344 * Assume always TRUE for encl_level_valid because there is no valid
1345 * flag for PCIe.
1346 */
1347 targ->encl_level_valid = TRUE;
1348 targ->handle = handle;
1349 targ->parent_handle = le16toh(config_page.ParentDevHandle);
1350 targ->sasaddr = mpr_to_u64(&config_page.WWID);
1351 targ->parent_sasaddr = le64toh(parent_wwid);
1352 targ->parent_devinfo = parent_devinfo;
1353 targ->tid = id;
1354 targ->linkrate = linkrate;
1355 targ->flags = 0;
1356 if ((le16toh(config_page.Flags) &
1357 MPI26_PCIEDEV0_FLAGS_ENABLED_FAST_PATH) &&
1358 (le16toh(config_page.Flags) &
1359 MPI26_PCIEDEV0_FLAGS_FAST_PATH_CAPABLE)) {
1360 targ->scsi_req_desc_type =
1361 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1362 }
1363 TAILQ_INIT(&targ->commands);
1364 TAILQ_INIT(&targ->timedout_commands);
1365 while (!SLIST_EMPTY(&targ->luns)) {
1366 lun = SLIST_FIRST(&targ->luns);
1367 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1368 free(lun, M_MPR);
1369 }
1370 SLIST_INIT(&targ->luns);
1371
1372 mpr_describe_devinfo(targ->devinfo, devstring, 80);
1373 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found PCIe device <%s> <%s> "
1374 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
1375 mpr_describe_table(mpr_pcie_linkrate_names, targ->linkrate),
1376 targ->handle, targ->encl_handle, targ->encl_slot);
1377 if (targ->encl_level_valid) {
1378 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
1379 "and connector name (%4s)\n", targ->encl_level,
1380 targ->connector_name);
1381 }
1382 mprsas_rescan_target(sc, targ);
1383 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
1384
1385 out:
1386 mprsas_startup_decrement(sassc);
1387 return (error);
1388 }
1389
1390 static int
mprsas_volume_add(struct mpr_softc * sc,u16 handle)1391 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1392 {
1393 struct mprsas_softc *sassc;
1394 struct mprsas_target *targ;
1395 u64 wwid;
1396 unsigned int id;
1397 int error = 0;
1398 struct mprsas_lun *lun;
1399
1400 sassc = sc->sassc;
1401 mprsas_startup_increment(sassc);
1402 /* wwid is endian safe */
1403 mpr_config_get_volume_wwid(sc, handle, &wwid);
1404 if (!wwid) {
1405 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1406 __func__);
1407 error = ENXIO;
1408 goto out;
1409 }
1410
1411 id = mpr_mapping_get_raid_tid(sc, wwid, handle);
1412 if (id == MPR_MAP_BAD_ID) {
1413 printf("%s: could not get ID for volume with handle 0x%04x and "
1414 "WWID 0x%016llx\n", __func__, handle,
1415 (unsigned long long)wwid);
1416 error = ENXIO;
1417 goto out;
1418 }
1419
1420 targ = &sassc->targets[id];
1421 targ->tid = id;
1422 targ->handle = handle;
1423 targ->devname = wwid;
1424 targ->flags = MPR_TARGET_FLAGS_VOLUME;
1425 TAILQ_INIT(&targ->commands);
1426 TAILQ_INIT(&targ->timedout_commands);
1427 while (!SLIST_EMPTY(&targ->luns)) {
1428 lun = SLIST_FIRST(&targ->luns);
1429 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1430 free(lun, M_MPR);
1431 }
1432 SLIST_INIT(&targ->luns);
1433 mprsas_rescan_target(sc, targ);
1434 mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1435 targ->tid, wwid);
1436 out:
1437 mprsas_startup_decrement(sassc);
1438 return (error);
1439 }
1440
1441 /**
1442 * mprsas_SSU_to_SATA_devices
1443 * @sc: per adapter object
1444 *
1445 * Looks through the target list and issues a StartStopUnit SCSI command to each
1446 * SATA direct-access device. This helps to ensure that data corruption is
1447 * avoided when the system is being shut down. This must be called after the IR
1448 * System Shutdown RAID Action is sent if in IR mode.
1449 *
1450 * Return nothing.
1451 */
1452 static void
mprsas_SSU_to_SATA_devices(struct mpr_softc * sc,int howto)1453 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc, int howto)
1454 {
1455 struct mprsas_softc *sassc = sc->sassc;
1456 union ccb *ccb;
1457 path_id_t pathid = cam_sim_path(sassc->sim);
1458 target_id_t targetid;
1459 struct mprsas_target *target;
1460 char path_str[64];
1461 int timeout;
1462
1463 mpr_lock(sc);
1464
1465 /*
1466 * For each target, issue a StartStopUnit command to stop the device.
1467 */
1468 sc->SSU_started = TRUE;
1469 sc->SSU_refcount = 0;
1470 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1471 target = &sassc->targets[targetid];
1472 if (target->handle == 0x0) {
1473 continue;
1474 }
1475
1476 /*
1477 * The stop_at_shutdown flag will be set if this device is
1478 * a SATA direct-access end device.
1479 */
1480 if (target->stop_at_shutdown) {
1481 ccb = xpt_alloc_ccb_nowait();
1482 if (ccb == NULL) {
1483 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB "
1484 "to stop unit.\n");
1485 return;
1486 }
1487
1488 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1489 pathid, targetid, CAM_LUN_WILDCARD) !=
1490 CAM_REQ_CMP) {
1491 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1492 "path to stop unit.\n");
1493 xpt_free_ccb(ccb);
1494 return;
1495 }
1496 xpt_path_string(ccb->ccb_h.path, path_str,
1497 sizeof(path_str));
1498
1499 mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1500 "handle %d\n", path_str, target->handle);
1501
1502 /*
1503 * Issue a START STOP UNIT command for the target.
1504 * Increment the SSU counter to be used to count the
1505 * number of required replies.
1506 */
1507 mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1508 sc->SSU_refcount++;
1509 ccb->ccb_h.target_id =
1510 xpt_path_target_id(ccb->ccb_h.path);
1511 ccb->ccb_h.ppriv_ptr1 = sassc;
1512 scsi_start_stop(&ccb->csio,
1513 /*retries*/0,
1514 mprsas_stop_unit_done,
1515 MSG_SIMPLE_Q_TAG,
1516 /*start*/FALSE,
1517 /*load/eject*/0,
1518 /*immediate*/FALSE,
1519 MPR_SENSE_LEN,
1520 /*timeout*/10000);
1521 xpt_action(ccb);
1522 }
1523 }
1524
1525 mpr_unlock(sc);
1526
1527 /*
1528 * Timeout after 60 seconds by default or 10 seconds if howto has
1529 * RB_NOSYNC set which indicates we're likely handling a panic.
1530 */
1531 timeout = 600;
1532 if (howto & RB_NOSYNC)
1533 timeout = 100;
1534
1535 /*
1536 * Wait until all of the SSU commands have completed or time
1537 * has expired. Pause for 100ms each time through. If any
1538 * command times out, the target will be reset in the SCSI
1539 * command timeout routine.
1540 */
1541 while (sc->SSU_refcount > 0) {
1542 pause("mprwait", hz/10);
1543 if (SCHEDULER_STOPPED())
1544 xpt_sim_poll(sassc->sim);
1545
1546 if (--timeout == 0) {
1547 mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1548 "for SSU commands to complete.\n");
1549 break;
1550 }
1551 }
1552 }
1553
1554 static void
mprsas_stop_unit_done(struct cam_periph * periph,union ccb * done_ccb)1555 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1556 {
1557 struct mprsas_softc *sassc;
1558 char path_str[64];
1559
1560 if (done_ccb == NULL)
1561 return;
1562
1563 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1564
1565 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1566 mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1567 path_str);
1568
1569 /*
1570 * Nothing more to do except free the CCB and path. If the command
1571 * timed out, an abort reset, then target reset will be issued during
1572 * the SCSI Command process.
1573 */
1574 xpt_free_path(done_ccb->ccb_h.path);
1575 xpt_free_ccb(done_ccb);
1576 }
1577
1578 /**
1579 * mprsas_ir_shutdown - IR shutdown notification
1580 * @sc: per adapter object
1581 *
1582 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1583 * the host system is shutting down.
1584 *
1585 * Return nothing.
1586 */
1587 void
mprsas_ir_shutdown(struct mpr_softc * sc,int howto)1588 mprsas_ir_shutdown(struct mpr_softc *sc, int howto)
1589 {
1590 u16 volume_mapping_flags;
1591 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1592 struct dev_mapping_table *mt_entry;
1593 u32 start_idx, end_idx;
1594 unsigned int id, found_volume = 0;
1595 struct mpr_command *cm;
1596 Mpi2RaidActionRequest_t *action;
1597 target_id_t targetid;
1598 struct mprsas_target *target;
1599
1600 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1601
1602 /* is IR firmware build loaded? */
1603 if (!sc->ir_firmware)
1604 goto out;
1605
1606 /* are there any volumes? Look at IR target IDs. */
1607 // TODO-later, this should be looked up in the RAID config structure
1608 // when it is implemented.
1609 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1610 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1611 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1612 start_idx = 0;
1613 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1614 start_idx = 1;
1615 } else
1616 start_idx = sc->max_devices - sc->max_volumes;
1617 end_idx = start_idx + sc->max_volumes - 1;
1618
1619 for (id = start_idx; id < end_idx; id++) {
1620 mt_entry = &sc->mapping_table[id];
1621 if ((mt_entry->physical_id != 0) &&
1622 (mt_entry->missing_count == 0)) {
1623 found_volume = 1;
1624 break;
1625 }
1626 }
1627
1628 if (!found_volume)
1629 goto out;
1630
1631 if ((cm = mpr_alloc_command(sc)) == NULL) {
1632 printf("%s: command alloc failed\n", __func__);
1633 goto out;
1634 }
1635
1636 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1637 action->Function = MPI2_FUNCTION_RAID_ACTION;
1638 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1639 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1640 mpr_lock(sc);
1641 mpr_wait_command(sc, &cm, 5, CAN_SLEEP);
1642 mpr_unlock(sc);
1643
1644 /*
1645 * Don't check for reply, just leave.
1646 */
1647 if (cm)
1648 mpr_free_command(sc, cm);
1649
1650 out:
1651 /*
1652 * All of the targets must have the correct value set for
1653 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1654 *
1655 * The possible values for the 'enable_ssu' variable are:
1656 * 0: disable to SSD and HDD
1657 * 1: disable only to HDD (default)
1658 * 2: disable only to SSD
1659 * 3: enable to SSD and HDD
1660 * anything else will default to 1.
1661 */
1662 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1663 target = &sc->sassc->targets[targetid];
1664 if (target->handle == 0x0) {
1665 continue;
1666 }
1667
1668 if (target->supports_SSU) {
1669 switch (sc->enable_ssu) {
1670 case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1671 target->stop_at_shutdown = FALSE;
1672 break;
1673 case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1674 target->stop_at_shutdown = TRUE;
1675 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1676 target->stop_at_shutdown = FALSE;
1677 }
1678 break;
1679 case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1680 target->stop_at_shutdown = TRUE;
1681 break;
1682 case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1683 default:
1684 target->stop_at_shutdown = TRUE;
1685 if ((target->flags &
1686 MPR_TARGET_IS_SATA_SSD) == 0) {
1687 target->stop_at_shutdown = FALSE;
1688 }
1689 break;
1690 }
1691 }
1692 }
1693 mprsas_SSU_to_SATA_devices(sc, howto);
1694 }
1695