1 /*-
2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 /* Communications core for LSI MPT3 */
34
35 /* TODO Move headers to mprvar */
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/selinfo.h>
41 #include <sys/module.h>
42 #include <sys/bus.h>
43 #include <sys/conf.h>
44 #include <sys/bio.h>
45 #include <sys/malloc.h>
46 #include <sys/uio.h>
47 #include <sys/sysctl.h>
48 #include <sys/endian.h>
49 #include <sys/queue.h>
50 #include <sys/kthread.h>
51 #include <sys/taskqueue.h>
52 #include <sys/sbuf.h>
53
54 #include <machine/bus.h>
55 #include <machine/resource.h>
56 #include <sys/rman.h>
57
58 #include <machine/stdarg.h>
59
60 #include <cam/cam.h>
61 #include <cam/cam_ccb.h>
62 #include <cam/cam_debug.h>
63 #include <cam/cam_sim.h>
64 #include <cam/cam_xpt_sim.h>
65 #include <cam/cam_xpt_periph.h>
66 #include <cam/cam_periph.h>
67 #include <cam/scsi/scsi_all.h>
68 #include <cam/scsi/scsi_message.h>
69
70 #include <dev/mpr/mpi/mpi2_type.h>
71 #include <dev/mpr/mpi/mpi2.h>
72 #include <dev/mpr/mpi/mpi2_ioc.h>
73 #include <dev/mpr/mpi/mpi2_sas.h>
74 #include <dev/mpr/mpi/mpi2_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_get_sata_identify(struct mpr_softc *sc, u16 handle,
120 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
121 u32 devinfo);
122 static void mprsas_ata_id_timeout(void *data);
123 int mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
124 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
125 static int mprsas_volume_add(struct mpr_softc *sc,
126 u16 handle);
127 static void mprsas_SSU_to_SATA_devices(struct mpr_softc *sc);
128 static void mprsas_stop_unit_done(struct cam_periph *periph,
129 union ccb *done_ccb);
130
131 void
mprsas_evt_handler(struct mpr_softc * sc,uintptr_t data,MPI2_EVENT_NOTIFICATION_REPLY * event)132 mprsas_evt_handler(struct mpr_softc *sc, uintptr_t data,
133 MPI2_EVENT_NOTIFICATION_REPLY *event)
134 {
135 struct mpr_fw_event_work *fw_event;
136 u16 sz;
137
138 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
139 mpr_print_evt_sas(sc, event);
140 mprsas_record_event(sc, event);
141
142 fw_event = malloc(sizeof(struct mpr_fw_event_work), M_MPR,
143 M_ZERO|M_NOWAIT);
144 if (!fw_event) {
145 printf("%s: allocate failed for fw_event\n", __func__);
146 return;
147 }
148 sz = le16toh(event->EventDataLength) * 4;
149 fw_event->event_data = malloc(sz, M_MPR, M_ZERO|M_NOWAIT);
150 if (!fw_event->event_data) {
151 printf("%s: allocate failed for event_data\n", __func__);
152 free(fw_event, M_MPR);
153 return;
154 }
155
156 bcopy(event->EventData, fw_event->event_data, sz);
157 fw_event->event = event->Event;
158 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
159 event->Event == MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE ||
160 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
161 sc->track_mapping_events)
162 sc->pending_map_events++;
163
164 /*
165 * When wait_for_port_enable flag is set, make sure that all the events
166 * are processed. Increment the startup_refcount and decrement it after
167 * events are processed.
168 */
169 if ((event->Event == MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST ||
170 event->Event == MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST) &&
171 sc->wait_for_port_enable)
172 mprsas_startup_increment(sc->sassc);
173
174 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
175 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
176
177 }
178
179 static void
mprsas_fw_event_free(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)180 mprsas_fw_event_free(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
181 {
182
183 free(fw_event->event_data, M_MPR);
184 free(fw_event, M_MPR);
185 }
186
187 /**
188 * _mpr_fw_work - delayed task for processing firmware events
189 * @sc: per adapter object
190 * @fw_event: The fw_event_work object
191 * Context: user.
192 *
193 * Return nothing.
194 */
195 static void
mprsas_fw_work(struct mpr_softc * sc,struct mpr_fw_event_work * fw_event)196 mprsas_fw_work(struct mpr_softc *sc, struct mpr_fw_event_work *fw_event)
197 {
198 struct mprsas_softc *sassc;
199 sassc = sc->sassc;
200
201 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Working on Event: [%x]\n",
202 event_count++, __func__, fw_event->event);
203 switch (fw_event->event) {
204 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
205 {
206 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
207 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
208 int i;
209
210 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
211 fw_event->event_data;
212
213 mpr_mapping_topology_change_event(sc, fw_event->event_data);
214
215 for (i = 0; i < data->NumEntries; i++) {
216 phy = &data->PHY[i];
217 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
218 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
219 if (mprsas_add_device(sc,
220 le16toh(phy->AttachedDevHandle),
221 phy->LinkRate)) {
222 printf("%s: failed to add device with "
223 "handle 0x%x\n", __func__,
224 le16toh(phy->AttachedDevHandle));
225 mprsas_prepare_remove(sassc, le16toh(
226 phy->AttachedDevHandle));
227 }
228 break;
229 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
230 mprsas_prepare_remove(sassc, le16toh(
231 phy->AttachedDevHandle));
232 break;
233 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
234 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
235 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
236 default:
237 break;
238 }
239 }
240 /*
241 * refcount was incremented for this event in
242 * mprsas_evt_handler. Decrement it here because the event has
243 * been processed.
244 */
245 mprsas_startup_decrement(sassc);
246 break;
247 }
248 case MPI2_EVENT_SAS_DISCOVERY:
249 {
250 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
251
252 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
253
254 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
255 mpr_dprint(sc, MPR_TRACE,"SAS discovery start "
256 "event\n");
257 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
258 mpr_dprint(sc, MPR_TRACE,"SAS discovery stop event\n");
259 sassc->flags &= ~MPRSAS_IN_DISCOVERY;
260 mprsas_discovery_end(sassc);
261 }
262 break;
263 }
264 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
265 {
266 Mpi2EventDataSasEnclDevStatusChange_t *data;
267 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
268 fw_event->event_data;
269 mpr_mapping_enclosure_dev_status_change_event(sc,
270 fw_event->event_data);
271 break;
272 }
273 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
274 {
275 Mpi2EventIrConfigElement_t *element;
276 int i;
277 u8 foreign_config, reason;
278 u16 elementType;
279 Mpi2EventDataIrConfigChangeList_t *event_data;
280 struct mprsas_target *targ;
281 unsigned int id;
282
283 event_data = fw_event->event_data;
284 foreign_config = (le32toh(event_data->Flags) &
285 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
286
287 element =
288 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
289 id = mpr_mapping_get_raid_id_from_handle(sc,
290 element->VolDevHandle);
291
292 mpr_mapping_ir_config_change_event(sc, event_data);
293 for (i = 0; i < event_data->NumElements; i++, element++) {
294 reason = element->ReasonCode;
295 elementType = le16toh(element->ElementFlags) &
296 MPI2_EVENT_IR_CHANGE_EFLAGS_ELEMENT_TYPE_MASK;
297 /*
298 * check for element type of Phys Disk or Hot Spare
299 */
300 if ((elementType !=
301 MPI2_EVENT_IR_CHANGE_EFLAGS_VOLPHYSDISK_ELEMENT)
302 && (elementType !=
303 MPI2_EVENT_IR_CHANGE_EFLAGS_HOTSPARE_ELEMENT))
304 // do next element
305 goto skip_fp_send;
306
307 /*
308 * check for reason of Hide, Unhide, PD Created, or PD
309 * Deleted
310 */
311 if ((reason != MPI2_EVENT_IR_CHANGE_RC_HIDE) &&
312 (reason != MPI2_EVENT_IR_CHANGE_RC_UNHIDE) &&
313 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_CREATED) &&
314 (reason != MPI2_EVENT_IR_CHANGE_RC_PD_DELETED))
315 goto skip_fp_send;
316
317 // check for a reason of Hide or PD Created
318 if ((reason == MPI2_EVENT_IR_CHANGE_RC_HIDE) ||
319 (reason == MPI2_EVENT_IR_CHANGE_RC_PD_CREATED))
320 {
321 // build RAID Action message
322 Mpi2RaidActionRequest_t *action;
323 Mpi2RaidActionReply_t *reply;
324 struct mpr_command *cm;
325 int error = 0;
326 if ((cm = mpr_alloc_command(sc)) == NULL) {
327 printf("%s: command alloc failed\n",
328 __func__);
329 return;
330 }
331
332 mpr_dprint(sc, MPR_EVENT, "Sending FP action "
333 "from "
334 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST "
335 ":\n");
336 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
337 action->Function = MPI2_FUNCTION_RAID_ACTION;
338 action->Action =
339 MPI2_RAID_ACTION_PHYSDISK_HIDDEN;
340 action->PhysDiskNum = element->PhysDiskNum;
341 cm->cm_desc.Default.RequestFlags =
342 MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
343 error = mpr_request_polled(sc, cm);
344 reply = (Mpi2RaidActionReply_t *)cm->cm_reply;
345 if (error || (reply == NULL)) {
346 /* FIXME */
347 /*
348 * If the poll returns error then we
349 * need to do diag reset
350 */
351 printf("%s: poll for page completed "
352 "with error %d", __func__, error);
353 }
354 if (reply && (le16toh(reply->IOCStatus) &
355 MPI2_IOCSTATUS_MASK) !=
356 MPI2_IOCSTATUS_SUCCESS) {
357 mpr_dprint(sc, MPR_ERROR, "%s: error "
358 "sending RaidActionPage; "
359 "iocstatus = 0x%x\n", __func__,
360 le16toh(reply->IOCStatus));
361 }
362
363 if (cm)
364 mpr_free_command(sc, cm);
365 }
366 skip_fp_send:
367 mpr_dprint(sc, MPR_EVENT, "Received "
368 "MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST Reason "
369 "code %x:\n", element->ReasonCode);
370 switch (element->ReasonCode) {
371 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
372 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
373 if (!foreign_config) {
374 if (mprsas_volume_add(sc,
375 le16toh(element->VolDevHandle))) {
376 printf("%s: failed to add RAID "
377 "volume with handle 0x%x\n",
378 __func__, le16toh(element->
379 VolDevHandle));
380 }
381 }
382 break;
383 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
384 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
385 /*
386 * Rescan after volume is deleted or removed.
387 */
388 if (!foreign_config) {
389 if (id == MPR_MAP_BAD_ID) {
390 printf("%s: could not get ID "
391 "for volume with handle "
392 "0x%04x\n", __func__,
393 le16toh(element->
394 VolDevHandle));
395 break;
396 }
397
398 targ = &sassc->targets[id];
399 targ->handle = 0x0;
400 targ->encl_slot = 0x0;
401 targ->encl_handle = 0x0;
402 targ->encl_level_valid = 0x0;
403 targ->encl_level = 0x0;
404 targ->connector_name[0] = ' ';
405 targ->connector_name[1] = ' ';
406 targ->connector_name[2] = ' ';
407 targ->connector_name[3] = ' ';
408 targ->exp_dev_handle = 0x0;
409 targ->phy_num = 0x0;
410 targ->linkrate = 0x0;
411 mprsas_rescan_target(sc, targ);
412 printf("RAID target id 0x%x removed\n",
413 targ->tid);
414 }
415 break;
416 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
417 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
418 /*
419 * Phys Disk of a volume has been created. Hide
420 * it from the OS.
421 */
422 targ = mprsas_find_target_by_handle(sassc, 0,
423 element->PhysDiskDevHandle);
424 if (targ == NULL)
425 break;
426 targ->flags |= MPR_TARGET_FLAGS_RAID_COMPONENT;
427 mprsas_rescan_target(sc, targ);
428 break;
429 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
430 /*
431 * Phys Disk of a volume has been deleted.
432 * Expose it to the OS.
433 */
434 if (mprsas_add_device(sc,
435 le16toh(element->PhysDiskDevHandle), 0)) {
436 printf("%s: failed to add device with "
437 "handle 0x%x\n", __func__,
438 le16toh(element->
439 PhysDiskDevHandle));
440 mprsas_prepare_remove(sassc,
441 le16toh(element->
442 PhysDiskDevHandle));
443 }
444 break;
445 }
446 }
447 /*
448 * refcount was incremented for this event in
449 * mprsas_evt_handler. Decrement it here because the event has
450 * been processed.
451 */
452 mprsas_startup_decrement(sassc);
453 break;
454 }
455 case MPI2_EVENT_IR_VOLUME:
456 {
457 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
458
459 /*
460 * Informational only.
461 */
462 mpr_dprint(sc, MPR_EVENT, "Received IR Volume event:\n");
463 switch (event_data->ReasonCode) {
464 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
465 mpr_dprint(sc, MPR_EVENT, " Volume Settings "
466 "changed from 0x%x to 0x%x for Volome with "
467 "handle 0x%x", le32toh(event_data->PreviousValue),
468 le32toh(event_data->NewValue),
469 le16toh(event_data->VolDevHandle));
470 break;
471 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
472 mpr_dprint(sc, MPR_EVENT, " Volume Status "
473 "changed from 0x%x to 0x%x for Volome with "
474 "handle 0x%x", le32toh(event_data->PreviousValue),
475 le32toh(event_data->NewValue),
476 le16toh(event_data->VolDevHandle));
477 break;
478 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
479 mpr_dprint(sc, MPR_EVENT, " Volume State "
480 "changed from 0x%x to 0x%x for Volome with "
481 "handle 0x%x", le32toh(event_data->PreviousValue),
482 le32toh(event_data->NewValue),
483 le16toh(event_data->VolDevHandle));
484 u32 state;
485 struct mprsas_target *targ;
486 state = le32toh(event_data->NewValue);
487 switch (state) {
488 case MPI2_RAID_VOL_STATE_MISSING:
489 case MPI2_RAID_VOL_STATE_FAILED:
490 mprsas_prepare_volume_remove(sassc,
491 event_data->VolDevHandle);
492 break;
493
494 case MPI2_RAID_VOL_STATE_ONLINE:
495 case MPI2_RAID_VOL_STATE_DEGRADED:
496 case MPI2_RAID_VOL_STATE_OPTIMAL:
497 targ =
498 mprsas_find_target_by_handle(sassc,
499 0, event_data->VolDevHandle);
500 if (targ) {
501 printf("%s %d: Volume handle "
502 "0x%x is already added \n",
503 __func__, __LINE__,
504 event_data->VolDevHandle);
505 break;
506 }
507 if (mprsas_volume_add(sc,
508 le16toh(event_data->
509 VolDevHandle))) {
510 printf("%s: failed to add RAID "
511 "volume with handle 0x%x\n",
512 __func__, le16toh(
513 event_data->VolDevHandle));
514 }
515 break;
516 default:
517 break;
518 }
519 break;
520 default:
521 break;
522 }
523 break;
524 }
525 case MPI2_EVENT_IR_PHYSICAL_DISK:
526 {
527 Mpi2EventDataIrPhysicalDisk_t *event_data =
528 fw_event->event_data;
529 struct mprsas_target *targ;
530
531 /*
532 * Informational only.
533 */
534 mpr_dprint(sc, MPR_EVENT, "Received IR Phys Disk event:\n");
535 switch (event_data->ReasonCode) {
536 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
537 mpr_dprint(sc, MPR_EVENT, " Phys Disk Settings "
538 "changed from 0x%x to 0x%x for Phys Disk Number "
539 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
540 "%d", le32toh(event_data->PreviousValue),
541 le32toh(event_data->NewValue),
542 event_data->PhysDiskNum,
543 le16toh(event_data->PhysDiskDevHandle),
544 le16toh(event_data->EnclosureHandle),
545 le16toh(event_data->Slot));
546 break;
547 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
548 mpr_dprint(sc, MPR_EVENT, " Phys Disk Status changed "
549 "from 0x%x to 0x%x for Phys Disk Number %d and "
550 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
551 le32toh(event_data->PreviousValue),
552 le32toh(event_data->NewValue),
553 event_data->PhysDiskNum,
554 le16toh(event_data->PhysDiskDevHandle),
555 le16toh(event_data->EnclosureHandle),
556 le16toh(event_data->Slot));
557 break;
558 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
559 mpr_dprint(sc, MPR_EVENT, " Phys Disk State changed "
560 "from 0x%x to 0x%x for Phys Disk Number %d and "
561 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
562 le32toh(event_data->PreviousValue),
563 le32toh(event_data->NewValue),
564 event_data->PhysDiskNum,
565 le16toh(event_data->PhysDiskDevHandle),
566 le16toh(event_data->EnclosureHandle),
567 le16toh(event_data->Slot));
568 switch (event_data->NewValue) {
569 case MPI2_RAID_PD_STATE_ONLINE:
570 case MPI2_RAID_PD_STATE_DEGRADED:
571 case MPI2_RAID_PD_STATE_REBUILDING:
572 case MPI2_RAID_PD_STATE_OPTIMAL:
573 case MPI2_RAID_PD_STATE_HOT_SPARE:
574 targ = mprsas_find_target_by_handle(
575 sassc, 0,
576 event_data->PhysDiskDevHandle);
577 if (targ) {
578 targ->flags |=
579 MPR_TARGET_FLAGS_RAID_COMPONENT;
580 printf("%s %d: Found Target "
581 "for handle 0x%x.\n",
582 __func__, __LINE__ ,
583 event_data->
584 PhysDiskDevHandle);
585 }
586 break;
587 case MPI2_RAID_PD_STATE_OFFLINE:
588 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
589 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
590 default:
591 targ = mprsas_find_target_by_handle(
592 sassc, 0,
593 event_data->PhysDiskDevHandle);
594 if (targ) {
595 targ->flags |=
596 ~MPR_TARGET_FLAGS_RAID_COMPONENT;
597 printf("%s %d: Found Target "
598 "for handle 0x%x. \n",
599 __func__, __LINE__ ,
600 event_data->
601 PhysDiskDevHandle);
602 }
603 break;
604 }
605 default:
606 break;
607 }
608 break;
609 }
610 case MPI2_EVENT_IR_OPERATION_STATUS:
611 {
612 Mpi2EventDataIrOperationStatus_t *event_data =
613 fw_event->event_data;
614
615 /*
616 * Informational only.
617 */
618 mpr_dprint(sc, MPR_EVENT, "Received IR Op Status event:\n");
619 mpr_dprint(sc, MPR_EVENT, " RAID Operation of %d is %d "
620 "percent complete for Volume with handle 0x%x",
621 event_data->RAIDOperation, event_data->PercentComplete,
622 le16toh(event_data->VolDevHandle));
623 break;
624 }
625 case MPI2_EVENT_TEMP_THRESHOLD:
626 {
627 pMpi2EventDataTemperature_t temp_event;
628
629 temp_event = (pMpi2EventDataTemperature_t)fw_event->event_data;
630
631 /*
632 * The Temp Sensor Count must be greater than the event's Sensor
633 * Num to be valid. If valid, print the temp thresholds that
634 * have been exceeded.
635 */
636 if (sc->iounit_pg8.NumSensors > temp_event->SensorNum) {
637 mpr_dprint(sc, MPR_FAULT, "Temperature Threshold flags "
638 "%s %s %s %s exceeded for Sensor: %d !!!\n",
639 ((temp_event->Status & 0x01) == 1) ? "0 " : " ",
640 ((temp_event->Status & 0x02) == 2) ? "1 " : " ",
641 ((temp_event->Status & 0x04) == 4) ? "2 " : " ",
642 ((temp_event->Status & 0x08) == 8) ? "3 " : " ",
643 temp_event->SensorNum);
644 mpr_dprint(sc, MPR_FAULT, "Current Temp in Celsius: "
645 "%d\n", temp_event->CurrentTemperature);
646 }
647 break;
648 }
649 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
650 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
651 default:
652 mpr_dprint(sc, MPR_TRACE,"Unhandled event 0x%0X\n",
653 fw_event->event);
654 break;
655
656 }
657 mpr_dprint(sc, MPR_EVENT, "(%d)->(%s) Event Free: [%x]\n", event_count,
658 __func__, fw_event->event);
659 mprsas_fw_event_free(sc, fw_event);
660 }
661
662 void
mprsas_firmware_event_work(void * arg,int pending)663 mprsas_firmware_event_work(void *arg, int pending)
664 {
665 struct mpr_fw_event_work *fw_event;
666 struct mpr_softc *sc;
667
668 sc = (struct mpr_softc *)arg;
669 mpr_lock(sc);
670 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
671 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
672 mprsas_fw_work(sc, fw_event);
673 }
674 mpr_unlock(sc);
675 }
676
677 static int
mprsas_add_device(struct mpr_softc * sc,u16 handle,u8 linkrate)678 mprsas_add_device(struct mpr_softc *sc, u16 handle, u8 linkrate){
679 char devstring[80];
680 struct mprsas_softc *sassc;
681 struct mprsas_target *targ;
682 Mpi2ConfigReply_t mpi_reply;
683 Mpi2SasDevicePage0_t config_page;
684 uint64_t sas_address, parent_sas_address = 0;
685 u32 device_info, parent_devinfo = 0;
686 unsigned int id;
687 int ret = 1, error = 0, i;
688 struct mprsas_lun *lun;
689 u8 is_SATA_SSD = 0;
690 struct mpr_command *cm;
691
692 sassc = sc->sassc;
693 mprsas_startup_increment(sassc);
694 if ((mpr_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
695 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
696 printf("%s: error reading SAS device page0\n", __func__);
697 error = ENXIO;
698 goto out;
699 }
700
701 device_info = le32toh(config_page.DeviceInfo);
702
703 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
704 && (le16toh(config_page.ParentDevHandle) != 0)) {
705 Mpi2ConfigReply_t tmp_mpi_reply;
706 Mpi2SasDevicePage0_t parent_config_page;
707
708 if ((mpr_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
709 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
710 le16toh(config_page.ParentDevHandle)))) {
711 printf("%s: error reading SAS device %#x page0\n",
712 __func__, le16toh(config_page.ParentDevHandle));
713 } else {
714 parent_sas_address = parent_config_page.SASAddress.High;
715 parent_sas_address = (parent_sas_address << 32) |
716 parent_config_page.SASAddress.Low;
717 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
718 }
719 }
720 /* TODO Check proper endianess */
721 sas_address = config_page.SASAddress.High;
722 sas_address = (sas_address << 32) | config_page.SASAddress.Low;
723 mpr_dprint(sc, MPR_INFO, "SAS Address from SAS device page0 = %jx\n",
724 sas_address);
725
726 /*
727 * Always get SATA Identify information because this is used to
728 * determine if Start/Stop Unit should be sent to the drive when the
729 * system is shutdown.
730 */
731 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
732 ret = mprsas_get_sas_address_for_sata_disk(sc, &sas_address,
733 handle, device_info, &is_SATA_SSD);
734 if (ret) {
735 mpr_dprint(sc, MPR_ERROR, "%s: failed to get disk type "
736 "(SSD or HDD) for SATA device with handle 0x%04x\n",
737 __func__, handle);
738 } else {
739 mpr_dprint(sc, MPR_INFO, "SAS Address from SATA "
740 "device = %jx\n", sas_address);
741 }
742 }
743
744 id = mpr_mapping_get_sas_id(sc, sas_address, handle);
745 if (id == MPR_MAP_BAD_ID) {
746 printf("failure at %s:%d/%s()! Could not get ID for device "
747 "with handle 0x%04x\n", __FILE__, __LINE__, __func__,
748 handle);
749 error = ENXIO;
750 goto out;
751 }
752
753 if (mprsas_check_id(sassc, id) != 0) {
754 device_printf(sc->mpr_dev, "Excluding target id %d\n", id);
755 error = ENXIO;
756 goto out;
757 }
758
759 mpr_dprint(sc, MPR_MAPPING, "SAS Address from SAS device page0 = %jx\n",
760 sas_address);
761 targ = &sassc->targets[id];
762 targ->devinfo = device_info;
763 targ->devname = le32toh(config_page.DeviceName.High);
764 targ->devname = (targ->devname << 32) |
765 le32toh(config_page.DeviceName.Low);
766 targ->encl_handle = le16toh(config_page.EnclosureHandle);
767 targ->encl_slot = le16toh(config_page.Slot);
768 targ->encl_level = config_page.EnclosureLevel;
769 targ->connector_name[0] = config_page.ConnectorName[0];
770 targ->connector_name[1] = config_page.ConnectorName[1];
771 targ->connector_name[2] = config_page.ConnectorName[2];
772 targ->connector_name[3] = config_page.ConnectorName[3];
773 targ->handle = handle;
774 targ->parent_handle = le16toh(config_page.ParentDevHandle);
775 targ->sasaddr = mpr_to_u64(&config_page.SASAddress);
776 targ->parent_sasaddr = le64toh(parent_sas_address);
777 targ->parent_devinfo = parent_devinfo;
778 targ->tid = id;
779 targ->linkrate = (linkrate>>4);
780 targ->flags = 0;
781 if (is_SATA_SSD) {
782 targ->flags = MPR_TARGET_IS_SATA_SSD;
783 }
784 if (le16toh(config_page.Flags) &
785 MPI25_SAS_DEVICE0_FLAGS_FAST_PATH_CAPABLE) {
786 targ->scsi_req_desc_type =
787 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
788 }
789 if (le16toh(config_page.Flags) &
790 MPI2_SAS_DEVICE0_FLAGS_ENCL_LEVEL_VALID) {
791 targ->encl_level_valid = TRUE;
792 }
793 TAILQ_INIT(&targ->commands);
794 TAILQ_INIT(&targ->timedout_commands);
795 while (!SLIST_EMPTY(&targ->luns)) {
796 lun = SLIST_FIRST(&targ->luns);
797 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
798 free(lun, M_MPR);
799 }
800 SLIST_INIT(&targ->luns);
801
802 mpr_describe_devinfo(targ->devinfo, devstring, 80);
803 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "Found device <%s> <%s> "
804 "handle<0x%04x> enclosureHandle<0x%04x> slot %d\n", devstring,
805 mpr_describe_table(mpr_linkrate_names, targ->linkrate),
806 targ->handle, targ->encl_handle, targ->encl_slot);
807 if (targ->encl_level_valid) {
808 mpr_dprint(sc, (MPR_INFO|MPR_MAPPING), "At enclosure level %d "
809 "and connector name (%4s)\n", targ->encl_level,
810 targ->connector_name);
811 }
812 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
813 (__FreeBSD_version < 902502)
814 if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
815 #endif
816 mprsas_rescan_target(sc, targ);
817 mpr_dprint(sc, MPR_MAPPING, "Target id 0x%x added\n", targ->tid);
818
819 /*
820 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
821 * If so, send a Target Reset TM to the target that was just created.
822 * An Abort Task TM should be used instead of a Target Reset, but that
823 * would be much more difficult because targets have not been fully
824 * discovered yet, and LUN's haven't been setup. So, just reset the
825 * target instead of the LUN.
826 */
827 for (i = 1; i < sc->num_reqs; i++) {
828 cm = &sc->commands[i];
829 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
830 targ->timeouts++;
831 cm->cm_state = MPR_CM_STATE_TIMEDOUT;
832
833 if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
834 mpr_dprint(sc, MPR_INFO, "%s: sending Target "
835 "Reset for stuck SATA identify command "
836 "(cm = %p)\n", __func__, cm);
837 targ->tm->cm_targ = targ;
838 mprsas_send_reset(sc, targ->tm,
839 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
840 } else {
841 mpr_dprint(sc, MPR_ERROR, "Failed to allocate "
842 "tm for Target Reset after SATA ID "
843 "command timed out (cm %p)\n", cm);
844 }
845 /*
846 * No need to check for more since the target is
847 * already being reset.
848 */
849 break;
850 }
851 }
852 out:
853 /*
854 * Free the commands that may not have been freed from the SATA ID call
855 */
856 for (i = 1; i < sc->num_reqs; i++) {
857 cm = &sc->commands[i];
858 if (cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) {
859 mpr_free_command(sc, cm);
860 }
861 }
862 mprsas_startup_decrement(sassc);
863 return (error);
864 }
865
866 int
mprsas_get_sas_address_for_sata_disk(struct mpr_softc * sc,u64 * sas_address,u16 handle,u32 device_info,u8 * is_SATA_SSD)867 mprsas_get_sas_address_for_sata_disk(struct mpr_softc *sc,
868 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
869 {
870 Mpi2SataPassthroughReply_t mpi_reply;
871 int i, rc, try_count;
872 u32 *bufferptr;
873 union _sata_sas_address hash_address;
874 struct _ata_identify_device_data ata_identify;
875 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
876 u32 ioc_status;
877 u8 sas_status;
878
879 memset(&ata_identify, 0, sizeof(ata_identify));
880 try_count = 0;
881 do {
882 rc = mprsas_get_sata_identify(sc, handle, &mpi_reply,
883 (char *)&ata_identify, sizeof(ata_identify), device_info);
884 try_count++;
885 ioc_status = le16toh(mpi_reply.IOCStatus)
886 & MPI2_IOCSTATUS_MASK;
887 sas_status = mpi_reply.SASStatus;
888 if (ioc_status != MPI2_IOCSTATUS_SUCCESS) {
889 if (sc->spinup_wait_time > 0) {
890 mpr_dprint(sc, MPR_INFO, "Sleeping %d seconds "
891 "after SATA ID error to wait for spinup\n",
892 sc->spinup_wait_time);
893 msleep(&sc->msleep_fake_chan, &sc->mpr_mtx, 0,
894 "mprid", sc->spinup_wait_time * hz);
895 }
896 }
897 } while (((rc && (rc != EWOULDBLOCK)) || ioc_status || sas_status) &&
898 (try_count < 5));
899
900 if (rc == 0 && !ioc_status && !sas_status) {
901 mpr_dprint(sc, MPR_MAPPING, "%s: got SATA identify "
902 "successfully for handle = 0x%x with try_count = %d\n",
903 __func__, handle, try_count);
904 } else {
905 mpr_dprint(sc, MPR_MAPPING, "%s: handle = 0x%x failed\n",
906 __func__, handle);
907 return -1;
908 }
909 /* Copy & byteswap the 40 byte model number to a buffer */
910 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
911 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
912 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
913 }
914 /* Copy & byteswap the 20 byte serial number to a buffer */
915 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
916 buffer[MPT2SAS_MN_LEN + i] =
917 ((u8 *)ata_identify.serial_number)[i + 1];
918 buffer[MPT2SAS_MN_LEN + i + 1] =
919 ((u8 *)ata_identify.serial_number)[i];
920 }
921 bufferptr = (u32 *)buffer;
922 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
923 * so loop through the first 56 bytes (7*8),
924 * and then add in the last dword.
925 */
926 hash_address.word.low = 0;
927 hash_address.word.high = 0;
928 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
929 hash_address.word.low += *bufferptr;
930 bufferptr++;
931 hash_address.word.high += *bufferptr;
932 bufferptr++;
933 }
934 /* Add the last dword */
935 hash_address.word.low += *bufferptr;
936 /* Make sure the hash doesn't start with 5, because it could clash
937 * with a SAS address. Change 5 to a D.
938 */
939 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
940 hash_address.word.high |= 0x00000080;
941 *sas_address = (u64)hash_address.wwid[0] << 56 |
942 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
943 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
944 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
945 (u64)hash_address.wwid[7];
946 if (ata_identify.rotational_speed == 1) {
947 *is_SATA_SSD = 1;
948 }
949
950 return 0;
951 }
952
953 static int
mprsas_get_sata_identify(struct mpr_softc * sc,u16 handle,Mpi2SataPassthroughReply_t * mpi_reply,char * id_buffer,int sz,u32 devinfo)954 mprsas_get_sata_identify(struct mpr_softc *sc, u16 handle,
955 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
956 {
957 Mpi2SataPassthroughRequest_t *mpi_request;
958 Mpi2SataPassthroughReply_t *reply;
959 struct mpr_command *cm;
960 char *buffer;
961 int error = 0;
962
963 buffer = malloc( sz, M_MPR, M_NOWAIT | M_ZERO);
964 if (!buffer)
965 return ENOMEM;
966
967 if ((cm = mpr_alloc_command(sc)) == NULL) {
968 free(buffer, M_MPR);
969 return (EBUSY);
970 }
971 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
972 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
973 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
974 mpi_request->VF_ID = 0;
975 mpi_request->DevHandle = htole16(handle);
976 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
977 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
978 mpi_request->DataLength = htole32(sz);
979 mpi_request->CommandFIS[0] = 0x27;
980 mpi_request->CommandFIS[1] = 0x80;
981 mpi_request->CommandFIS[2] = (devinfo &
982 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
983 cm->cm_sge = &mpi_request->SGL;
984 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
985 cm->cm_flags = MPR_CM_FLAGS_DATAIN;
986 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
987 cm->cm_data = buffer;
988 cm->cm_length = htole32(sz);
989
990 /*
991 * Start a timeout counter specifically for the SATA ID command. This
992 * is used to fix a problem where the FW does not send a reply sometimes
993 * when a bad disk is in the topology. So, this is used to timeout the
994 * command so that processing can continue normally.
995 */
996 mpr_dprint(sc, MPR_XINFO, "%s start timeout counter for SATA ID "
997 "command\n", __func__);
998 callout_reset(&cm->cm_callout, MPR_ATA_ID_TIMEOUT * hz,
999 mprsas_ata_id_timeout, cm);
1000 error = mpr_wait_command(sc, cm, 60, CAN_SLEEP);
1001 mpr_dprint(sc, MPR_XINFO, "%s stop timeout counter for SATA ID "
1002 "command\n", __func__);
1003 callout_stop(&cm->cm_callout);
1004
1005 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
1006 if (error || (reply == NULL)) {
1007 /* FIXME */
1008 /*
1009 * If the request returns an error then we need to do a diag
1010 * reset
1011 */
1012 printf("%s: request for page completed with error %d",
1013 __func__, error);
1014 error = ENXIO;
1015 goto out;
1016 }
1017 bcopy(buffer, id_buffer, sz);
1018 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
1019 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
1020 MPI2_IOCSTATUS_SUCCESS) {
1021 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
1022 __func__, reply->IOCStatus);
1023 error = ENXIO;
1024 goto out;
1025 }
1026 out:
1027 /*
1028 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
1029 * it. The command will be freed after sending a target reset TM. If
1030 * the command did timeout, use EWOULDBLOCK.
1031 */
1032 if ((cm->cm_flags & MPR_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
1033 mpr_free_command(sc, cm);
1034 else if (error == 0)
1035 error = EWOULDBLOCK;
1036 free(buffer, M_MPR);
1037 return (error);
1038 }
1039
1040 static void
mprsas_ata_id_timeout(void * data)1041 mprsas_ata_id_timeout(void *data)
1042 {
1043 struct mpr_softc *sc;
1044 struct mpr_command *cm;
1045
1046 cm = (struct mpr_command *)data;
1047 sc = cm->cm_sc;
1048 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1049
1050 mpr_dprint(sc, MPR_INFO, "%s checking ATA ID command %p sc %p\n",
1051 __func__, cm, sc);
1052 if ((callout_pending(&cm->cm_callout)) ||
1053 (!callout_active(&cm->cm_callout))) {
1054 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed "
1055 "out\n", __func__);
1056 return;
1057 }
1058 callout_deactivate(&cm->cm_callout);
1059
1060 /*
1061 * Run the interrupt handler to make sure it's not pending. This
1062 * isn't perfect because the command could have already completed
1063 * and been re-used, though this is unlikely.
1064 */
1065 mpr_intr_locked(sc);
1066 if (cm->cm_state == MPR_CM_STATE_FREE) {
1067 mpr_dprint(sc, MPR_INFO, "%s ATA ID command almost timed "
1068 "out\n", __func__);
1069 return;
1070 }
1071
1072 mpr_dprint(sc, MPR_INFO, "ATA ID command timeout cm %p\n", cm);
1073
1074 /*
1075 * Send wakeup() to the sleeping thread that issued this ATA ID
1076 * command. wakeup() will cause msleep to return a 0 (not EWOULDBLOCK),
1077 * and this will keep reinit() from being called. This way, an Abort
1078 * Task TM can be issued so that the timed out command can be cleared.
1079 * The Abort Task cannot be sent from here because the driver has not
1080 * completed setting up targets. Instead, the command is flagged so
1081 * that special handling will be used to send the abort.
1082 */
1083 cm->cm_flags |= MPR_CM_FLAGS_SATA_ID_TIMEOUT;
1084 wakeup(cm);
1085 }
1086
1087 static int
mprsas_volume_add(struct mpr_softc * sc,u16 handle)1088 mprsas_volume_add(struct mpr_softc *sc, u16 handle)
1089 {
1090 struct mprsas_softc *sassc;
1091 struct mprsas_target *targ;
1092 u64 wwid;
1093 unsigned int id;
1094 int error = 0;
1095 struct mprsas_lun *lun;
1096
1097 sassc = sc->sassc;
1098 mprsas_startup_increment(sassc);
1099 /* wwid is endian safe */
1100 mpr_config_get_volume_wwid(sc, handle, &wwid);
1101 if (!wwid) {
1102 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1103 __func__);
1104 error = ENXIO;
1105 goto out;
1106 }
1107
1108 id = mpr_mapping_get_raid_id(sc, wwid, handle);
1109 if (id == MPR_MAP_BAD_ID) {
1110 printf("%s: could not get ID for volume with handle 0x%04x and "
1111 "WWID 0x%016llx\n", __func__, handle,
1112 (unsigned long long)wwid);
1113 error = ENXIO;
1114 goto out;
1115 }
1116
1117 targ = &sassc->targets[id];
1118 targ->tid = id;
1119 targ->handle = handle;
1120 targ->devname = wwid;
1121 TAILQ_INIT(&targ->commands);
1122 TAILQ_INIT(&targ->timedout_commands);
1123 while (!SLIST_EMPTY(&targ->luns)) {
1124 lun = SLIST_FIRST(&targ->luns);
1125 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1126 free(lun, M_MPR);
1127 }
1128 SLIST_INIT(&targ->luns);
1129 #if ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000039)) || \
1130 (__FreeBSD_version < 902502)
1131 if ((sassc->flags & MPRSAS_IN_STARTUP) == 0)
1132 #endif
1133 mprsas_rescan_target(sc, targ);
1134 mpr_dprint(sc, MPR_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1135 targ->tid, wwid);
1136 out:
1137 mprsas_startup_decrement(sassc);
1138 return (error);
1139 }
1140
1141 /**
1142 * mprsas_SSU_to_SATA_devices
1143 * @sc: per adapter object
1144 *
1145 * Looks through the target list and issues a StartStopUnit SCSI command to each
1146 * SATA direct-access device. This helps to ensure that data corruption is
1147 * avoided when the system is being shut down. This must be called after the IR
1148 * System Shutdown RAID Action is sent if in IR mode.
1149 *
1150 * Return nothing.
1151 */
1152 static void
mprsas_SSU_to_SATA_devices(struct mpr_softc * sc)1153 mprsas_SSU_to_SATA_devices(struct mpr_softc *sc)
1154 {
1155 struct mprsas_softc *sassc = sc->sassc;
1156 union ccb *ccb;
1157 path_id_t pathid = cam_sim_path(sassc->sim);
1158 target_id_t targetid;
1159 struct mprsas_target *target;
1160 char path_str[64];
1161 struct timeval cur_time, start_time;
1162
1163 mpr_lock(sc);
1164
1165 /*
1166 * For each target, issue a StartStopUnit command to stop the device.
1167 */
1168 sc->SSU_started = TRUE;
1169 sc->SSU_refcount = 0;
1170 for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1171 target = &sassc->targets[targetid];
1172 if (target->handle == 0x0) {
1173 continue;
1174 }
1175
1176 ccb = xpt_alloc_ccb_nowait();
1177 if (ccb == NULL) {
1178 mpr_dprint(sc, MPR_FAULT, "Unable to alloc CCB to stop "
1179 "unit.\n");
1180 return;
1181 }
1182
1183 /*
1184 * The stop_at_shutdown flag will be set if this device is
1185 * a SATA direct-access end device.
1186 */
1187 if (target->stop_at_shutdown) {
1188 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph,
1189 pathid, targetid, CAM_LUN_WILDCARD) !=
1190 CAM_REQ_CMP) {
1191 mpr_dprint(sc, MPR_ERROR, "Unable to create "
1192 "path to stop unit.\n");
1193 xpt_free_ccb(ccb);
1194 return;
1195 }
1196 xpt_path_string(ccb->ccb_h.path, path_str,
1197 sizeof(path_str));
1198
1199 mpr_dprint(sc, MPR_INFO, "Sending StopUnit: path %s "
1200 "handle %d\n", path_str, target->handle);
1201
1202 /*
1203 * Issue a START STOP UNIT command for the target.
1204 * Increment the SSU counter to be used to count the
1205 * number of required replies.
1206 */
1207 mpr_dprint(sc, MPR_INFO, "Incrementing SSU count\n");
1208 sc->SSU_refcount++;
1209 ccb->ccb_h.target_id =
1210 xpt_path_target_id(ccb->ccb_h.path);
1211 ccb->ccb_h.ppriv_ptr1 = sassc;
1212 scsi_start_stop(&ccb->csio,
1213 /*retries*/0,
1214 mprsas_stop_unit_done,
1215 MSG_SIMPLE_Q_TAG,
1216 /*start*/FALSE,
1217 /*load/eject*/0,
1218 /*immediate*/FALSE,
1219 MPR_SENSE_LEN,
1220 /*timeout*/10000);
1221 xpt_action(ccb);
1222 }
1223 }
1224
1225 mpr_unlock(sc);
1226
1227 /*
1228 * Wait until all of the SSU commands have completed or time has
1229 * expired (60 seconds). Pause for 100ms each time through. If any
1230 * command times out, the target will be reset in the SCSI command
1231 * timeout routine.
1232 */
1233 getmicrotime(&start_time);
1234 while (sc->SSU_refcount) {
1235 pause("mprwait", hz/10);
1236
1237 getmicrotime(&cur_time);
1238 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1239 mpr_dprint(sc, MPR_ERROR, "Time has expired waiting "
1240 "for SSU commands to complete.\n");
1241 break;
1242 }
1243 }
1244 }
1245
1246 static void
mprsas_stop_unit_done(struct cam_periph * periph,union ccb * done_ccb)1247 mprsas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1248 {
1249 struct mprsas_softc *sassc;
1250 char path_str[64];
1251
1252 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1253
1254 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1255 mpr_dprint(sassc->sc, MPR_INFO, "Completing stop unit for %s\n",
1256 path_str);
1257
1258 if (done_ccb == NULL)
1259 return;
1260
1261 /*
1262 * Nothing more to do except free the CCB and path. If the command
1263 * timed out, an abort reset, then target reset will be issued during
1264 * the SCSI Command process.
1265 */
1266 xpt_free_path(done_ccb->ccb_h.path);
1267 xpt_free_ccb(done_ccb);
1268 }
1269
1270 /**
1271 * mprsas_ir_shutdown - IR shutdown notification
1272 * @sc: per adapter object
1273 *
1274 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1275 * the host system is shutting down.
1276 *
1277 * Return nothing.
1278 */
1279 void
mprsas_ir_shutdown(struct mpr_softc * sc)1280 mprsas_ir_shutdown(struct mpr_softc *sc)
1281 {
1282 u16 volume_mapping_flags;
1283 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1284 struct dev_mapping_table *mt_entry;
1285 u32 start_idx, end_idx;
1286 unsigned int id, found_volume = 0;
1287 struct mpr_command *cm;
1288 Mpi2RaidActionRequest_t *action;
1289 target_id_t targetid;
1290 struct mprsas_target *target;
1291
1292 mpr_dprint(sc, MPR_TRACE, "%s\n", __func__);
1293
1294 /* is IR firmware build loaded? */
1295 if (!sc->ir_firmware)
1296 goto out;
1297
1298 /* are there any volumes? Look at IR target IDs. */
1299 // TODO-later, this should be looked up in the RAID config structure
1300 // when it is implemented.
1301 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1302 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1303 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1304 start_idx = 0;
1305 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1306 start_idx = 1;
1307 } else
1308 start_idx = sc->max_devices - sc->max_volumes;
1309 end_idx = start_idx + sc->max_volumes - 1;
1310
1311 for (id = start_idx; id < end_idx; id++) {
1312 mt_entry = &sc->mapping_table[id];
1313 if ((mt_entry->physical_id != 0) &&
1314 (mt_entry->missing_count == 0)) {
1315 found_volume = 1;
1316 break;
1317 }
1318 }
1319
1320 if (!found_volume)
1321 goto out;
1322
1323 if ((cm = mpr_alloc_command(sc)) == NULL) {
1324 printf("%s: command alloc failed\n", __func__);
1325 goto out;
1326 }
1327
1328 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1329 action->Function = MPI2_FUNCTION_RAID_ACTION;
1330 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1331 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1332 mpr_lock(sc);
1333 mpr_wait_command(sc, cm, 5, CAN_SLEEP);
1334 mpr_unlock(sc);
1335
1336 /*
1337 * Don't check for reply, just leave.
1338 */
1339 if (cm)
1340 mpr_free_command(sc, cm);
1341
1342 out:
1343 /*
1344 * All of the targets must have the correct value set for
1345 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1346 *
1347 * The possible values for the 'enable_ssu' variable are:
1348 * 0: disable to SSD and HDD
1349 * 1: disable only to HDD (default)
1350 * 2: disable only to SSD
1351 * 3: enable to SSD and HDD
1352 * anything else will default to 1.
1353 */
1354 for (targetid = 0; targetid < sc->facts->MaxTargets; targetid++) {
1355 target = &sc->sassc->targets[targetid];
1356 if (target->handle == 0x0) {
1357 continue;
1358 }
1359
1360 if (target->supports_SSU) {
1361 switch (sc->enable_ssu) {
1362 case MPR_SSU_DISABLE_SSD_DISABLE_HDD:
1363 target->stop_at_shutdown = FALSE;
1364 break;
1365 case MPR_SSU_DISABLE_SSD_ENABLE_HDD:
1366 target->stop_at_shutdown = TRUE;
1367 if (target->flags & MPR_TARGET_IS_SATA_SSD) {
1368 target->stop_at_shutdown = FALSE;
1369 }
1370 break;
1371 case MPR_SSU_ENABLE_SSD_ENABLE_HDD:
1372 target->stop_at_shutdown = TRUE;
1373 break;
1374 case MPR_SSU_ENABLE_SSD_DISABLE_HDD:
1375 default:
1376 target->stop_at_shutdown = TRUE;
1377 if ((target->flags &
1378 MPR_TARGET_IS_SATA_SSD) == 0) {
1379 target->stop_at_shutdown = FALSE;
1380 }
1381 break;
1382 }
1383 }
1384 }
1385 mprsas_SSU_to_SATA_devices(sc);
1386 }
1387