2 * Copyright (c) 2011-2015 LSI Corp.
3 * Copyright (c) 2013-2015 Avago Technologies
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
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
27 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 /* Communications core for Avago Technologies (LSI) MPT2 */
35 /* TODO Move headers to mpsvar */
36 #include <sys/types.h>
37 #include <sys/param.h>
38 #include <sys/systm.h>
39 #include <sys/kernel.h>
40 #include <sys/selinfo.h>
41 #include <sys/module.h>
45 #include <sys/malloc.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>
54 #include <machine/bus.h>
55 #include <machine/resource.h>
58 #include <machine/stdarg.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>
70 #include <dev/mps/mpi/mpi2_type.h>
71 #include <dev/mps/mpi/mpi2.h>
72 #include <dev/mps/mpi/mpi2_ioc.h>
73 #include <dev/mps/mpi/mpi2_sas.h>
74 #include <dev/mps/mpi/mpi2_cnfg.h>
75 #include <dev/mps/mpi/mpi2_init.h>
76 #include <dev/mps/mpi/mpi2_raid.h>
77 #include <dev/mps/mpi/mpi2_tool.h>
78 #include <dev/mps/mps_ioctl.h>
79 #include <dev/mps/mpsvar.h>
80 #include <dev/mps/mps_table.h>
81 #include <dev/mps/mps_sas.h>
83 /* For Hashed SAS Address creation for SATA Drives */
84 #define MPT2SAS_SN_LEN 20
85 #define MPT2SAS_MN_LEN 40
87 struct mps_fw_event_work {
90 TAILQ_ENTRY(mps_fw_event_work) ev_link;
93 union _sata_sas_address {
102 * define the IDENTIFY DEVICE structure
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 */
113 static u32 event_count;
114 static void mpssas_fw_work(struct mps_softc *sc,
115 struct mps_fw_event_work *fw_event);
116 static void mpssas_fw_event_free(struct mps_softc *,
117 struct mps_fw_event_work *);
118 static int mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate);
119 static int mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
120 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz,
122 static void mpssas_ata_id_timeout(void *data);
123 int mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
124 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD);
125 static int mpssas_volume_add(struct mps_softc *sc,
127 static void mpssas_SSU_to_SATA_devices(struct mps_softc *sc);
128 static void mpssas_stop_unit_done(struct cam_periph *periph,
129 union ccb *done_ccb);
132 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
133 MPI2_EVENT_NOTIFICATION_REPLY *event)
135 struct mps_fw_event_work *fw_event;
138 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
139 mps_print_evt_sas(sc, event);
140 mpssas_record_event(sc, event);
142 fw_event = malloc(sizeof(struct mps_fw_event_work), M_MPT2,
145 printf("%s: allocate failed for fw_event\n", __func__);
148 sz = le16toh(event->EventDataLength) * 4;
149 fw_event->event_data = malloc(sz, M_MPT2, 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_MPT2);
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++;
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.
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 mpssas_startup_increment(sc->sassc);
174 TAILQ_INSERT_TAIL(&sc->sassc->ev_queue, fw_event, ev_link);
175 taskqueue_enqueue(sc->sassc->ev_tq, &sc->sassc->ev_task);
180 mpssas_fw_event_free(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
183 free(fw_event->event_data, M_MPT2);
184 free(fw_event, M_MPT2);
188 * _mps_fw_work - delayed task for processing firmware events
189 * @sc: per adapter object
190 * @fw_event: The fw_event_work object
196 mpssas_fw_work(struct mps_softc *sc, struct mps_fw_event_work *fw_event)
198 struct mpssas_softc *sassc;
201 mps_dprint(sc, MPS_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:
206 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
207 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
210 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
211 fw_event->event_data;
213 mps_mapping_topology_change_event(sc, fw_event->event_data);
215 for (i = 0; i < data->NumEntries; i++) {
217 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
218 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
219 if (mpssas_add_device(sc,
220 le16toh(phy->AttachedDevHandle),
222 mps_dprint(sc, MPS_ERROR, "%s: "
223 "failed to add device with handle "
225 le16toh(phy->AttachedDevHandle));
226 mpssas_prepare_remove(sassc, le16toh(
227 phy->AttachedDevHandle));
230 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
231 mpssas_prepare_remove(sassc,le16toh(
232 phy->AttachedDevHandle));
234 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
235 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
236 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
242 * refcount was incremented for this event in
243 * mpssas_evt_handler. Decrement it here because the event has
246 mpssas_startup_decrement(sassc);
249 case MPI2_EVENT_SAS_DISCOVERY:
251 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
253 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)fw_event->event_data;
255 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
256 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n");
257 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
258 mps_dprint(sc, MPS_TRACE,"SAS discovery stop event\n");
259 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
260 mpssas_discovery_end(sassc);
264 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
266 Mpi2EventDataSasEnclDevStatusChange_t *data;
267 data = (Mpi2EventDataSasEnclDevStatusChange_t *)
268 fw_event->event_data;
269 mps_mapping_enclosure_dev_status_change_event(sc,
270 fw_event->event_data);
273 case MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST:
275 Mpi2EventIrConfigElement_t *element;
278 Mpi2EventDataIrConfigChangeList_t *event_data;
279 struct mpssas_target *targ;
282 event_data = fw_event->event_data;
283 foreign_config = (le32toh(event_data->Flags) &
284 MPI2_EVENT_IR_CHANGE_FLAGS_FOREIGN_CONFIG) ? 1 : 0;
287 (Mpi2EventIrConfigElement_t *)&event_data->ConfigElement[0];
288 id = mps_mapping_get_raid_tid_from_handle(sc,
289 element->VolDevHandle);
291 mps_mapping_ir_config_change_event(sc, event_data);
293 for (i = 0; i < event_data->NumElements; i++, element++) {
294 switch (element->ReasonCode) {
295 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_CREATED:
296 case MPI2_EVENT_IR_CHANGE_RC_ADDED:
297 if (!foreign_config) {
298 if (mpssas_volume_add(sc,
299 le16toh(element->VolDevHandle))){
300 printf("%s: failed to add RAID "
301 "volume with handle 0x%x\n",
302 __func__, le16toh(element->
307 case MPI2_EVENT_IR_CHANGE_RC_VOLUME_DELETED:
308 case MPI2_EVENT_IR_CHANGE_RC_REMOVED:
310 * Rescan after volume is deleted or removed.
312 if (!foreign_config) {
313 if (id == MPS_MAP_BAD_ID) {
314 printf("%s: could not get ID "
315 "for volume with handle "
316 "0x%04x\n", __func__,
317 le16toh(element->VolDevHandle));
321 targ = &sassc->targets[id];
323 targ->encl_slot = 0x0;
324 targ->encl_handle = 0x0;
325 targ->exp_dev_handle = 0x0;
327 targ->linkrate = 0x0;
328 mpssas_rescan_target(sc, targ);
329 printf("RAID target id 0x%x removed\n",
333 case MPI2_EVENT_IR_CHANGE_RC_PD_CREATED:
334 case MPI2_EVENT_IR_CHANGE_RC_HIDE:
336 * Phys Disk of a volume has been created. Hide
339 targ = mpssas_find_target_by_handle(sassc, 0,
340 element->PhysDiskDevHandle);
345 * Set raid component flags only if it is not
346 * WD. OR WrapDrive with
347 * WD_HIDE_ALWAYS/WD_HIDE_IF_VOLUME is set in
350 if((!sc->WD_available) ||
351 ((sc->WD_available &&
352 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
353 (sc->WD_valid_config && (sc->WD_hide_expose ==
354 MPS_WD_HIDE_IF_VOLUME)))) {
355 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
357 mpssas_rescan_target(sc, targ);
360 case MPI2_EVENT_IR_CHANGE_RC_PD_DELETED:
362 * Phys Disk of a volume has been deleted.
363 * Expose it to the OS.
365 if (mpssas_add_device(sc,
366 le16toh(element->PhysDiskDevHandle), 0)){
367 printf("%s: failed to add device with "
368 "handle 0x%x\n", __func__,
369 le16toh(element->PhysDiskDevHandle));
370 mpssas_prepare_remove(sassc, le16toh(element->
377 * refcount was incremented for this event in
378 * mpssas_evt_handler. Decrement it here because the event has
381 mpssas_startup_decrement(sassc);
384 case MPI2_EVENT_IR_VOLUME:
386 Mpi2EventDataIrVolume_t *event_data = fw_event->event_data;
389 * Informational only.
391 mps_dprint(sc, MPS_EVENT, "Received IR Volume event:\n");
392 switch (event_data->ReasonCode) {
393 case MPI2_EVENT_IR_VOLUME_RC_SETTINGS_CHANGED:
394 mps_dprint(sc, MPS_EVENT, " Volume Settings "
395 "changed from 0x%x to 0x%x for Volome with "
396 "handle 0x%x", le32toh(event_data->PreviousValue),
397 le32toh(event_data->NewValue),
398 le16toh(event_data->VolDevHandle));
400 case MPI2_EVENT_IR_VOLUME_RC_STATUS_FLAGS_CHANGED:
401 mps_dprint(sc, MPS_EVENT, " Volume Status "
402 "changed from 0x%x to 0x%x for Volome with "
403 "handle 0x%x", le32toh(event_data->PreviousValue),
404 le32toh(event_data->NewValue),
405 le16toh(event_data->VolDevHandle));
407 case MPI2_EVENT_IR_VOLUME_RC_STATE_CHANGED:
408 mps_dprint(sc, MPS_EVENT, " Volume State "
409 "changed from 0x%x to 0x%x for Volome with "
410 "handle 0x%x", le32toh(event_data->PreviousValue),
411 le32toh(event_data->NewValue),
412 le16toh(event_data->VolDevHandle));
414 struct mpssas_target *targ;
415 state = le32toh(event_data->NewValue);
417 case MPI2_RAID_VOL_STATE_MISSING:
418 case MPI2_RAID_VOL_STATE_FAILED:
419 mpssas_prepare_volume_remove(sassc, event_data->
423 case MPI2_RAID_VOL_STATE_ONLINE:
424 case MPI2_RAID_VOL_STATE_DEGRADED:
425 case MPI2_RAID_VOL_STATE_OPTIMAL:
426 targ = mpssas_find_target_by_handle(sassc, 0, event_data->VolDevHandle);
428 printf("%s %d: Volume handle 0x%x is already added \n",
429 __func__, __LINE__ , event_data->VolDevHandle);
432 if (mpssas_volume_add(sc, le16toh(event_data->VolDevHandle))) {
433 printf("%s: failed to add RAID "
434 "volume with handle 0x%x\n",
435 __func__, le16toh(event_data->
448 case MPI2_EVENT_IR_PHYSICAL_DISK:
450 Mpi2EventDataIrPhysicalDisk_t *event_data =
451 fw_event->event_data;
452 struct mpssas_target *targ;
455 * Informational only.
457 mps_dprint(sc, MPS_EVENT, "Received IR Phys Disk event:\n");
458 switch (event_data->ReasonCode) {
459 case MPI2_EVENT_IR_PHYSDISK_RC_SETTINGS_CHANGED:
460 mps_dprint(sc, MPS_EVENT, " Phys Disk Settings "
461 "changed from 0x%x to 0x%x for Phys Disk Number "
462 "%d and handle 0x%x at Enclosure handle 0x%x, Slot "
463 "%d", le32toh(event_data->PreviousValue),
464 le32toh(event_data->NewValue),
465 event_data->PhysDiskNum,
466 le16toh(event_data->PhysDiskDevHandle),
467 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
469 case MPI2_EVENT_IR_PHYSDISK_RC_STATUS_FLAGS_CHANGED:
470 mps_dprint(sc, MPS_EVENT, " Phys Disk Status changed "
471 "from 0x%x to 0x%x for Phys Disk Number %d and "
472 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
473 le32toh(event_data->PreviousValue),
474 le32toh(event_data->NewValue), event_data->PhysDiskNum,
475 le16toh(event_data->PhysDiskDevHandle),
476 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
478 case MPI2_EVENT_IR_PHYSDISK_RC_STATE_CHANGED:
479 mps_dprint(sc, MPS_EVENT, " Phys Disk State changed "
480 "from 0x%x to 0x%x for Phys Disk Number %d and "
481 "handle 0x%x at Enclosure handle 0x%x, Slot %d",
482 le32toh(event_data->PreviousValue),
483 le32toh(event_data->NewValue), event_data->PhysDiskNum,
484 le16toh(event_data->PhysDiskDevHandle),
485 le16toh(event_data->EnclosureHandle), le16toh(event_data->Slot));
486 switch (event_data->NewValue) {
487 case MPI2_RAID_PD_STATE_ONLINE:
488 case MPI2_RAID_PD_STATE_DEGRADED:
489 case MPI2_RAID_PD_STATE_REBUILDING:
490 case MPI2_RAID_PD_STATE_OPTIMAL:
491 case MPI2_RAID_PD_STATE_HOT_SPARE:
492 targ = mpssas_find_target_by_handle(sassc, 0,
493 event_data->PhysDiskDevHandle);
495 if(!sc->WD_available) {
496 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
497 printf("%s %d: Found Target for handle 0x%x. \n",
498 __func__, __LINE__ , event_data->PhysDiskDevHandle);
499 } else if ((sc->WD_available &&
500 (sc->WD_hide_expose == MPS_WD_HIDE_ALWAYS)) ||
501 (sc->WD_valid_config && (sc->WD_hide_expose ==
502 MPS_WD_HIDE_IF_VOLUME))) {
503 targ->flags |= MPS_TARGET_FLAGS_RAID_COMPONENT;
504 printf("%s %d: WD: Found Target for handle 0x%x. \n",
505 __func__, __LINE__ , event_data->PhysDiskDevHandle);
509 case MPI2_RAID_PD_STATE_OFFLINE:
510 case MPI2_RAID_PD_STATE_NOT_CONFIGURED:
511 case MPI2_RAID_PD_STATE_NOT_COMPATIBLE:
513 targ = mpssas_find_target_by_handle(sassc, 0,
514 event_data->PhysDiskDevHandle);
516 targ->flags |= ~MPS_TARGET_FLAGS_RAID_COMPONENT;
517 printf("%s %d: Found Target for handle 0x%x. \n",
518 __func__, __LINE__ , event_data->PhysDiskDevHandle);
527 case MPI2_EVENT_IR_OPERATION_STATUS:
529 Mpi2EventDataIrOperationStatus_t *event_data =
530 fw_event->event_data;
533 * Informational only.
535 mps_dprint(sc, MPS_EVENT, "Received IR Op Status event:\n");
536 mps_dprint(sc, MPS_EVENT, " RAID Operation of %d is %d "
537 "percent complete for Volume with handle 0x%x",
538 event_data->RAIDOperation, event_data->PercentComplete,
539 le16toh(event_data->VolDevHandle));
542 case MPI2_EVENT_LOG_ENTRY_ADDED:
544 pMpi2EventDataLogEntryAdded_t logEntry;
545 uint16_t logQualifier;
548 logEntry = (pMpi2EventDataLogEntryAdded_t)fw_event->event_data;
549 logQualifier = logEntry->LogEntryQualifier;
551 if (logQualifier == MPI2_WD_LOG_ENTRY) {
552 logCode = logEntry->LogData[0];
555 case MPI2_WD_SSD_THROTTLING:
556 printf("WarpDrive Warning: IO Throttling has "
557 "occurred in the WarpDrive subsystem. "
558 "Check WarpDrive documentation for "
559 "additional details\n");
561 case MPI2_WD_DRIVE_LIFE_WARN:
562 printf("WarpDrive Warning: Program/Erase "
563 "Cycles for the WarpDrive subsystem in "
564 "degraded range. Check WarpDrive "
565 "documentation for additional details\n");
567 case MPI2_WD_DRIVE_LIFE_DEAD:
568 printf("WarpDrive Fatal Error: There are no "
569 "Program/Erase Cycles for the WarpDrive "
570 "subsystem. The storage device will be in "
571 "read-only mode. Check WarpDrive "
572 "documentation for additional details\n");
574 case MPI2_WD_RAIL_MON_FAIL:
575 printf("WarpDrive Fatal Error: The Backup Rail "
576 "Monitor has failed on the WarpDrive "
577 "subsystem. Check WarpDrive documentation "
578 "for additional details\n");
586 case MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE:
587 case MPI2_EVENT_SAS_BROADCAST_PRIMITIVE:
589 mps_dprint(sc, MPS_TRACE,"Unhandled event 0x%0X\n",
594 mps_dprint(sc, MPS_EVENT, "(%d)->(%s) Event Free: [%x]\n",event_count,__func__, fw_event->event);
595 mpssas_fw_event_free(sc, fw_event);
599 mpssas_firmware_event_work(void *arg, int pending)
601 struct mps_fw_event_work *fw_event;
602 struct mps_softc *sc;
604 sc = (struct mps_softc *)arg;
606 while ((fw_event = TAILQ_FIRST(&sc->sassc->ev_queue)) != NULL) {
607 TAILQ_REMOVE(&sc->sassc->ev_queue, fw_event, ev_link);
608 mpssas_fw_work(sc, fw_event);
614 mpssas_add_device(struct mps_softc *sc, u16 handle, u8 linkrate){
616 struct mpssas_softc *sassc;
617 struct mpssas_target *targ;
618 Mpi2ConfigReply_t mpi_reply;
619 Mpi2SasDevicePage0_t config_page;
620 uint64_t sas_address;
621 uint64_t parent_sas_address = 0;
622 u32 device_info, parent_devinfo = 0;
624 int ret = 1, error = 0, i;
625 struct mpssas_lun *lun;
627 struct mps_command *cm;
630 mpssas_startup_increment(sassc);
631 if ((mps_config_get_sas_device_pg0(sc, &mpi_reply, &config_page,
632 MPI2_SAS_DEVICE_PGAD_FORM_HANDLE, handle))) {
633 printf("%s: error reading SAS device page0\n", __func__);
638 device_info = le32toh(config_page.DeviceInfo);
640 if (((device_info & MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0)
641 && (le16toh(config_page.ParentDevHandle) != 0)) {
642 Mpi2ConfigReply_t tmp_mpi_reply;
643 Mpi2SasDevicePage0_t parent_config_page;
645 if ((mps_config_get_sas_device_pg0(sc, &tmp_mpi_reply,
646 &parent_config_page, MPI2_SAS_DEVICE_PGAD_FORM_HANDLE,
647 le16toh(config_page.ParentDevHandle)))) {
648 printf("%s: error reading SAS device %#x page0\n",
649 __func__, le16toh(config_page.ParentDevHandle));
651 parent_sas_address = parent_config_page.SASAddress.High;
652 parent_sas_address = (parent_sas_address << 32) |
653 parent_config_page.SASAddress.Low;
654 parent_devinfo = le32toh(parent_config_page.DeviceInfo);
657 /* TODO Check proper endianess */
658 sas_address = config_page.SASAddress.High;
659 sas_address = (sas_address << 32) | config_page.SASAddress.Low;
662 * Always get SATA Identify information because this is used to
663 * determine if Start/Stop Unit should be sent to the drive when the
664 * system is shutdown.
666 if (device_info & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) {
667 ret = mpssas_get_sas_address_for_sata_disk(sc, &sas_address,
668 handle, device_info, &is_SATA_SSD);
670 mps_dprint(sc, MPS_INFO, "%s: failed to get disk type "
671 "(SSD or HDD) for SATA device with handle 0x%04x\n",
674 mps_dprint(sc, MPS_INFO, "SAS Address from SATA "
675 "device = %jx\n", sas_address);
681 * 1 - use the PhyNum field as a fallback to the mapping logic
682 * 0 - never use the PhyNum field
683 * -1 - only use the PhyNum field
685 * Note that using the Phy number to map a device can cause device adds
686 * to fail if multiple enclosures/expanders are in the topology. For
687 * example, if two devices are in the same slot number in two different
688 * enclosures within the topology, only one of those devices will be
689 * added. PhyNum mapping should not be used if multiple enclosures are
693 if (sc->use_phynum != -1)
694 id = mps_mapping_get_tid(sc, sas_address, handle);
695 if (id == MPS_MAP_BAD_ID) {
696 if ((sc->use_phynum == 0)
697 || ((id = config_page.PhyNum) > sassc->maxtargets)) {
698 mps_dprint(sc, MPS_INFO, "failure at %s:%d/%s()! "
699 "Could not get ID for device with handle 0x%04x\n",
700 __FILE__, __LINE__, __func__, handle);
705 mps_dprint(sc, MPS_MAPPING, "%s: Target ID for added device is %d.\n",
709 * Only do the ID check and reuse check if the target is not from a
710 * RAID Component. For Physical Disks of a Volume, the ID will be reused
711 * when a volume is deleted because the mapping entry for the PD will
712 * still be in the mapping table. The ID check should not be done here
713 * either since this PD is already being used.
715 targ = &sassc->targets[id];
716 if (!(targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT)) {
717 if (mpssas_check_id(sassc, id) != 0) {
718 device_printf(sc->mps_dev, "Excluding target id %d\n",
724 if (targ->handle != 0x0) {
725 mps_dprint(sc, MPS_MAPPING, "Attempting to reuse "
726 "target id %d handle 0x%04x\n", id, targ->handle);
732 mps_dprint(sc, MPS_MAPPING, "SAS Address from SAS device page0 = %jx\n",
734 targ->devinfo = device_info;
735 targ->devname = le32toh(config_page.DeviceName.High);
736 targ->devname = (targ->devname << 32) |
737 le32toh(config_page.DeviceName.Low);
738 targ->encl_handle = le16toh(config_page.EnclosureHandle);
739 targ->encl_slot = le16toh(config_page.Slot);
740 targ->handle = handle;
741 targ->parent_handle = le16toh(config_page.ParentDevHandle);
742 targ->sasaddr = mps_to_u64(&config_page.SASAddress);
743 targ->parent_sasaddr = le64toh(parent_sas_address);
744 targ->parent_devinfo = parent_devinfo;
746 targ->linkrate = (linkrate>>4);
749 targ->flags = MPS_TARGET_IS_SATA_SSD;
751 TAILQ_INIT(&targ->commands);
752 TAILQ_INIT(&targ->timedout_commands);
753 while(!SLIST_EMPTY(&targ->luns)) {
754 lun = SLIST_FIRST(&targ->luns);
755 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
758 SLIST_INIT(&targ->luns);
760 mps_describe_devinfo(targ->devinfo, devstring, 80);
761 mps_dprint(sc, MPS_MAPPING, "Found device <%s> <%s> <0x%04x> <%d/%d>\n",
762 devstring, mps_describe_table(mps_linkrate_names, targ->linkrate),
763 targ->handle, targ->encl_handle, targ->encl_slot);
765 #if __FreeBSD_version < 1000039
766 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
768 mpssas_rescan_target(sc, targ);
769 mps_dprint(sc, MPS_MAPPING, "Target id 0x%x added\n", targ->tid);
772 * Check all commands to see if the SATA_ID_TIMEOUT flag has been set.
773 * If so, send a Target Reset TM to the target that was just created.
774 * An Abort Task TM should be used instead of a Target Reset, but that
775 * would be much more difficult because targets have not been fully
776 * discovered yet, and LUN's haven't been setup. So, just reset the
777 * target instead of the LUN.
779 for (i = 1; i < sc->num_reqs; i++) {
780 cm = &sc->commands[i];
781 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
783 cm->cm_state = MPS_CM_STATE_TIMEDOUT;
785 if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
786 mps_dprint(sc, MPS_INFO, "%s: sending Target "
787 "Reset for stuck SATA identify command "
788 "(cm = %p)\n", __func__, cm);
789 targ->tm->cm_targ = targ;
790 mpssas_send_reset(sc, targ->tm,
791 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
793 mps_dprint(sc, MPS_ERROR, "Failed to allocate "
794 "tm for Target Reset after SATA ID command "
795 "timed out (cm %p)\n", cm);
798 * No need to check for more since the target is
799 * already being reset.
806 * Free the commands that may not have been freed from the SATA ID call
808 for (i = 1; i < sc->num_reqs; i++) {
809 cm = &sc->commands[i];
810 if (cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) {
811 mps_free_command(sc, cm);
814 mpssas_startup_decrement(sassc);
819 mpssas_get_sas_address_for_sata_disk(struct mps_softc *sc,
820 u64 *sas_address, u16 handle, u32 device_info, u8 *is_SATA_SSD)
822 Mpi2SataPassthroughReply_t mpi_reply;
823 int i, rc, try_count;
825 union _sata_sas_address hash_address;
826 struct _ata_identify_device_data ata_identify;
827 u8 buffer[MPT2SAS_MN_LEN + MPT2SAS_SN_LEN];
831 memset(&ata_identify, 0, sizeof(ata_identify));
834 rc = mpssas_get_sata_identify(sc, handle, &mpi_reply,
835 (char *)&ata_identify, sizeof(ata_identify), device_info);
837 ioc_status = le16toh(mpi_reply.IOCStatus)
838 & MPI2_IOCSTATUS_MASK;
839 sas_status = mpi_reply.SASStatus;
840 switch (ioc_status) {
841 case MPI2_IOCSTATUS_SUCCESS:
843 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
844 /* No sense sleeping. this error won't get better */
847 if (sc->spinup_wait_time > 0) {
848 mps_dprint(sc, MPS_INFO, "Sleeping %d seconds "
849 "after SATA ID error to wait for spinup\n",
850 sc->spinup_wait_time);
851 msleep(&sc->msleep_fake_chan, &sc->mps_mtx, 0,
852 "mpsid", sc->spinup_wait_time * hz);
855 } while (((rc && (rc != EWOULDBLOCK)) ||
857 (ioc_status != MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR))
858 || sas_status) && (try_count < 5));
860 if (rc == 0 && !ioc_status && !sas_status) {
861 mps_dprint(sc, MPS_MAPPING, "%s: got SATA identify "
862 "successfully for handle = 0x%x with try_count = %d\n",
863 __func__, handle, try_count);
865 mps_dprint(sc, MPS_MAPPING, "%s: handle = 0x%x failed\n",
869 /* Copy & byteswap the 40 byte model number to a buffer */
870 for (i = 0; i < MPT2SAS_MN_LEN; i += 2) {
871 buffer[i] = ((u8 *)ata_identify.model_number)[i + 1];
872 buffer[i + 1] = ((u8 *)ata_identify.model_number)[i];
874 /* Copy & byteswap the 20 byte serial number to a buffer */
875 for (i = 0; i < MPT2SAS_SN_LEN; i += 2) {
876 buffer[MPT2SAS_MN_LEN + i] =
877 ((u8 *)ata_identify.serial_number)[i + 1];
878 buffer[MPT2SAS_MN_LEN + i + 1] =
879 ((u8 *)ata_identify.serial_number)[i];
881 bufferptr = (u32 *)buffer;
882 /* There are 60 bytes to hash down to 8. 60 isn't divisible by 8,
883 * so loop through the first 56 bytes (7*8),
884 * and then add in the last dword.
886 hash_address.word.low = 0;
887 hash_address.word.high = 0;
888 for (i = 0; (i < ((MPT2SAS_MN_LEN+MPT2SAS_SN_LEN)/8)); i++) {
889 hash_address.word.low += *bufferptr;
891 hash_address.word.high += *bufferptr;
894 /* Add the last dword */
895 hash_address.word.low += *bufferptr;
896 /* Make sure the hash doesn't start with 5, because it could clash
897 * with a SAS address. Change 5 to a D.
899 if ((hash_address.word.high & 0x000000F0) == (0x00000050))
900 hash_address.word.high |= 0x00000080;
901 *sas_address = (u64)hash_address.wwid[0] << 56 |
902 (u64)hash_address.wwid[1] << 48 | (u64)hash_address.wwid[2] << 40 |
903 (u64)hash_address.wwid[3] << 32 | (u64)hash_address.wwid[4] << 24 |
904 (u64)hash_address.wwid[5] << 16 | (u64)hash_address.wwid[6] << 8 |
905 (u64)hash_address.wwid[7];
906 if (ata_identify.rotational_speed == 1) {
914 mpssas_get_sata_identify(struct mps_softc *sc, u16 handle,
915 Mpi2SataPassthroughReply_t *mpi_reply, char *id_buffer, int sz, u32 devinfo)
917 Mpi2SataPassthroughRequest_t *mpi_request;
918 Mpi2SataPassthroughReply_t *reply;
919 struct mps_command *cm;
923 buffer = malloc( sz, M_MPT2, M_NOWAIT | M_ZERO);
927 if ((cm = mps_alloc_command(sc)) == NULL) {
928 free(buffer, M_MPT2);
931 mpi_request = (MPI2_SATA_PASSTHROUGH_REQUEST *)cm->cm_req;
932 bzero(mpi_request,sizeof(MPI2_SATA_PASSTHROUGH_REQUEST));
933 mpi_request->Function = MPI2_FUNCTION_SATA_PASSTHROUGH;
934 mpi_request->VF_ID = 0;
935 mpi_request->DevHandle = htole16(handle);
936 mpi_request->PassthroughFlags = (MPI2_SATA_PT_REQ_PT_FLAGS_PIO |
937 MPI2_SATA_PT_REQ_PT_FLAGS_READ);
938 mpi_request->DataLength = htole32(sz);
939 mpi_request->CommandFIS[0] = 0x27;
940 mpi_request->CommandFIS[1] = 0x80;
941 mpi_request->CommandFIS[2] = (devinfo &
942 MPI2_SAS_DEVICE_INFO_ATAPI_DEVICE) ? 0xA1 : 0xEC;
943 cm->cm_sge = &mpi_request->SGL;
944 cm->cm_sglsize = sizeof(MPI2_SGE_IO_UNION);
945 cm->cm_flags = MPS_CM_FLAGS_SGE_SIMPLE | MPS_CM_FLAGS_DATAIN;
946 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
947 cm->cm_data = buffer;
948 cm->cm_length = htole32(sz);
951 * Start a timeout counter specifically for the SATA ID command. This
952 * is used to fix a problem where the FW does not send a reply sometimes
953 * when a bad disk is in the topology. So, this is used to timeout the
954 * command so that processing can continue normally.
956 mps_dprint(sc, MPS_XINFO, "%s start timeout counter for SATA ID "
957 "command\n", __func__);
958 callout_reset(&cm->cm_callout, MPS_ATA_ID_TIMEOUT * hz,
959 mpssas_ata_id_timeout, cm);
960 error = mps_wait_command(sc, cm, 60, CAN_SLEEP);
961 mps_dprint(sc, MPS_XINFO, "%s stop timeout counter for SATA ID "
962 "command\n", __func__);
963 callout_stop(&cm->cm_callout);
965 reply = (Mpi2SataPassthroughReply_t *)cm->cm_reply;
966 if (error || (reply == NULL)) {
969 * If the request returns an error then we need to do a diag
972 printf("%s: request for page completed with error %d",
977 bcopy(buffer, id_buffer, sz);
978 bcopy(reply, mpi_reply, sizeof(Mpi2SataPassthroughReply_t));
979 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
980 MPI2_IOCSTATUS_SUCCESS) {
981 printf("%s: error reading SATA PASSTHRU; iocstatus = 0x%x\n",
982 __func__, reply->IOCStatus);
988 * If the SATA_ID_TIMEOUT flag has been set for this command, don't free
989 * it. The command will be freed after sending a target reset TM. If
990 * the command did timeout, use EWOULDBLOCK.
992 if ((cm->cm_flags & MPS_CM_FLAGS_SATA_ID_TIMEOUT) == 0)
993 mps_free_command(sc, cm);
996 free(buffer, M_MPT2);
1001 mpssas_ata_id_timeout(void *data)
1003 struct mps_softc *sc;
1004 struct mps_command *cm;
1006 cm = (struct mps_command *)data;
1008 mtx_assert(&sc->mps_mtx, MA_OWNED);
1010 mps_dprint(sc, MPS_INFO, "%s checking ATA ID command %p sc %p\n",
1012 if ((callout_pending(&cm->cm_callout)) ||
1013 (!callout_active(&cm->cm_callout))) {
1014 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1018 callout_deactivate(&cm->cm_callout);
1021 * Run the interrupt handler to make sure it's not pending. This
1022 * isn't perfect because the command could have already completed
1023 * and been re-used, though this is unlikely.
1025 mps_intr_locked(sc);
1026 if (cm->cm_state == MPS_CM_STATE_FREE) {
1027 mps_dprint(sc, MPS_INFO, "%s ATA ID command almost timed out\n",
1032 mps_dprint(sc, MPS_INFO, "ATA ID command timeout cm %p\n", cm);
1035 * Send wakeup() to the sleeping thread that issued this ATA ID command.
1036 * wakeup() will cause msleep to return a 0 (not EWOULDBLOCK), and this
1037 * will keep reinit() from being called. This way, an Abort Task TM can
1038 * be issued so that the timed out command can be cleared. The Abort
1039 * Task cannot be sent from here because the driver has not completed
1040 * setting up targets. Instead, the command is flagged so that special
1041 * handling will be used to send the abort.
1043 cm->cm_flags |= MPS_CM_FLAGS_SATA_ID_TIMEOUT;
1048 mpssas_volume_add(struct mps_softc *sc, u16 handle)
1050 struct mpssas_softc *sassc;
1051 struct mpssas_target *targ;
1055 struct mpssas_lun *lun;
1058 mpssas_startup_increment(sassc);
1059 /* wwid is endian safe */
1060 mps_config_get_volume_wwid(sc, handle, &wwid);
1062 printf("%s: invalid WWID; cannot add volume to mapping table\n",
1068 id = mps_mapping_get_raid_tid(sc, wwid, handle);
1069 if (id == MPS_MAP_BAD_ID) {
1070 printf("%s: could not get ID for volume with handle 0x%04x and "
1071 "WWID 0x%016llx\n", __func__, handle,
1072 (unsigned long long)wwid);
1077 targ = &sassc->targets[id];
1079 targ->handle = handle;
1080 targ->devname = wwid;
1081 TAILQ_INIT(&targ->commands);
1082 TAILQ_INIT(&targ->timedout_commands);
1083 while(!SLIST_EMPTY(&targ->luns)) {
1084 lun = SLIST_FIRST(&targ->luns);
1085 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
1088 SLIST_INIT(&targ->luns);
1089 #if __FreeBSD_version < 1000039
1090 if ((sassc->flags & MPSSAS_IN_STARTUP) == 0)
1092 mpssas_rescan_target(sc, targ);
1093 mps_dprint(sc, MPS_MAPPING, "RAID target id %d added (WWID = 0x%jx)\n",
1096 mpssas_startup_decrement(sassc);
1101 * mpssas_SSU_to_SATA_devices
1102 * @sc: per adapter object
1104 * Looks through the target list and issues a StartStopUnit SCSI command to each
1105 * SATA direct-access device. This helps to ensure that data corruption is
1106 * avoided when the system is being shut down. This must be called after the IR
1107 * System Shutdown RAID Action is sent if in IR mode.
1112 mpssas_SSU_to_SATA_devices(struct mps_softc *sc)
1114 struct mpssas_softc *sassc = sc->sassc;
1116 path_id_t pathid = cam_sim_path(sassc->sim);
1117 target_id_t targetid;
1118 struct mpssas_target *target;
1120 struct timeval cur_time, start_time;
1123 * For each target, issue a StartStopUnit command to stop the device.
1125 sc->SSU_started = TRUE;
1126 sc->SSU_refcount = 0;
1127 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1128 target = &sassc->targets[targetid];
1129 if (target->handle == 0x0) {
1133 ccb = xpt_alloc_ccb_nowait();
1135 mps_dprint(sc, MPS_FAULT, "Unable to alloc CCB to stop "
1141 * The stop_at_shutdown flag will be set if this device is
1142 * a SATA direct-access end device.
1144 if (target->stop_at_shutdown) {
1145 if (xpt_create_path(&ccb->ccb_h.path,
1146 xpt_periph, pathid, targetid,
1147 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
1148 mps_dprint(sc, MPS_FAULT, "Unable to create "
1149 "LUN path to stop unit.\n");
1153 xpt_path_string(ccb->ccb_h.path, path_str,
1156 mps_dprint(sc, MPS_INFO, "Sending StopUnit: path %s "
1157 "handle %d\n", path_str, target->handle);
1160 * Issue a START STOP UNIT command for the target.
1161 * Increment the SSU counter to be used to count the
1162 * number of required replies.
1164 mps_dprint(sc, MPS_INFO, "Incrementing SSU count\n");
1166 ccb->ccb_h.target_id =
1167 xpt_path_target_id(ccb->ccb_h.path);
1168 ccb->ccb_h.ppriv_ptr1 = sassc;
1169 scsi_start_stop(&ccb->csio,
1171 mpssas_stop_unit_done,
1183 * Wait until all of the SSU commands have completed or time has
1184 * expired (60 seconds). Pause for 100ms each time through. If any
1185 * command times out, the target will be reset in the SCSI command
1188 getmicrotime(&start_time);
1189 while (sc->SSU_refcount) {
1190 pause("mpswait", hz/10);
1192 getmicrotime(&cur_time);
1193 if ((cur_time.tv_sec - start_time.tv_sec) > 60) {
1194 mps_dprint(sc, MPS_FAULT, "Time has expired waiting "
1195 "for SSU commands to complete.\n");
1202 mpssas_stop_unit_done(struct cam_periph *periph, union ccb *done_ccb)
1204 struct mpssas_softc *sassc;
1207 if (done_ccb == NULL)
1210 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
1212 xpt_path_string(done_ccb->ccb_h.path, path_str, sizeof(path_str));
1213 mps_dprint(sassc->sc, MPS_INFO, "Completing stop unit for %s\n",
1217 * Nothing more to do except free the CCB and path. If the command
1218 * timed out, an abort reset, then target reset will be issued during
1219 * the SCSI Command process.
1221 xpt_free_path(done_ccb->ccb_h.path);
1222 xpt_free_ccb(done_ccb);
1226 * mpssas_ir_shutdown - IR shutdown notification
1227 * @sc: per adapter object
1229 * Sending RAID Action to alert the Integrated RAID subsystem of the IOC that
1230 * the host system is shutting down.
1235 mpssas_ir_shutdown(struct mps_softc *sc)
1237 u16 volume_mapping_flags;
1238 u16 ioc_pg8_flags = le16toh(sc->ioc_pg8.Flags);
1239 struct dev_mapping_table *mt_entry;
1240 u32 start_idx, end_idx;
1241 unsigned int id, found_volume = 0;
1242 struct mps_command *cm;
1243 Mpi2RaidActionRequest_t *action;
1244 target_id_t targetid;
1245 struct mpssas_target *target;
1247 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1249 /* is IR firmware build loaded? */
1250 if (!sc->ir_firmware)
1253 /* are there any volumes? Look at IR target IDs. */
1254 // TODO-later, this should be looked up in the RAID config structure
1255 // when it is implemented.
1256 volume_mapping_flags = le16toh(sc->ioc_pg8.IRVolumeMappingFlags) &
1257 MPI2_IOCPAGE8_IRFLAGS_MASK_VOLUME_MAPPING_MODE;
1258 if (volume_mapping_flags == MPI2_IOCPAGE8_IRFLAGS_LOW_VOLUME_MAPPING) {
1260 if (ioc_pg8_flags & MPI2_IOCPAGE8_FLAGS_RESERVED_TARGETID_0)
1263 start_idx = sc->max_devices - sc->max_volumes;
1264 end_idx = start_idx + sc->max_volumes - 1;
1266 for (id = start_idx; id < end_idx; id++) {
1267 mt_entry = &sc->mapping_table[id];
1268 if ((mt_entry->physical_id != 0) &&
1269 (mt_entry->missing_count == 0)) {
1278 if ((cm = mps_alloc_command(sc)) == NULL) {
1279 printf("%s: command alloc failed\n", __func__);
1283 action = (MPI2_RAID_ACTION_REQUEST *)cm->cm_req;
1284 action->Function = MPI2_FUNCTION_RAID_ACTION;
1285 action->Action = MPI2_RAID_ACTION_SYSTEM_SHUTDOWN_INITIATED;
1286 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1288 mps_wait_command(sc, cm, 5, CAN_SLEEP);
1292 * Don't check for reply, just leave.
1295 mps_free_command(sc, cm);
1299 * All of the targets must have the correct value set for
1300 * 'stop_at_shutdown' for the current 'enable_ssu' sysctl variable.
1302 * The possible values for the 'enable_ssu' variable are:
1303 * 0: disable to SSD and HDD
1304 * 1: disable only to HDD (default)
1305 * 2: disable only to SSD
1306 * 3: enable to SSD and HDD
1307 * anything else will default to 1.
1309 for (targetid = 0; targetid < sc->max_devices; targetid++) {
1310 target = &sc->sassc->targets[targetid];
1311 if (target->handle == 0x0) {
1315 if (target->supports_SSU) {
1316 switch (sc->enable_ssu) {
1317 case MPS_SSU_DISABLE_SSD_DISABLE_HDD:
1318 target->stop_at_shutdown = FALSE;
1320 case MPS_SSU_DISABLE_SSD_ENABLE_HDD:
1321 target->stop_at_shutdown = TRUE;
1322 if (target->flags & MPS_TARGET_IS_SATA_SSD) {
1323 target->stop_at_shutdown = FALSE;
1326 case MPS_SSU_ENABLE_SSD_ENABLE_HDD:
1327 target->stop_at_shutdown = TRUE;
1329 case MPS_SSU_ENABLE_SSD_DISABLE_HDD:
1331 target->stop_at_shutdown = TRUE;
1332 if ((target->flags &
1333 MPS_TARGET_IS_SATA_SSD) == 0) {
1334 target->stop_at_shutdown = FALSE;
1340 mpssas_SSU_to_SATA_devices(sc);