2 * Copyright (c) 2009 Yahoo! Inc.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 /* Communications core for LSI MPT2 */
32 #include <sys/types.h>
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/selinfo.h>
37 #include <sys/module.h>
41 #include <sys/malloc.h>
43 #include <sys/sysctl.h>
44 #include <sys/sglist.h>
45 #include <sys/endian.h>
47 #include <machine/bus.h>
48 #include <machine/resource.h>
52 #include <cam/cam_ccb.h>
53 #include <cam/cam_debug.h>
54 #include <cam/cam_sim.h>
55 #include <cam/cam_xpt_sim.h>
56 #include <cam/cam_xpt_periph.h>
57 #include <cam/cam_periph.h>
58 #include <cam/scsi/scsi_all.h>
59 #include <cam/scsi/scsi_message.h>
60 #if __FreeBSD_version >= 900026
61 #include <cam/scsi/smp_all.h>
64 #include <dev/mps/mpi/mpi2_type.h>
65 #include <dev/mps/mpi/mpi2.h>
66 #include <dev/mps/mpi/mpi2_ioc.h>
67 #include <dev/mps/mpi/mpi2_sas.h>
68 #include <dev/mps/mpi/mpi2_cnfg.h>
69 #include <dev/mps/mpi/mpi2_init.h>
70 #include <dev/mps/mpsvar.h>
71 #include <dev/mps/mps_table.h>
73 struct mpssas_target {
81 uint16_t parent_handle;
83 #define MPSSAS_TARGET_INABORT (1 << 0)
84 #define MPSSAS_TARGET_INRESET (1 << 1)
85 #define MPSSAS_TARGET_INCHIPRESET (1 << 2)
86 #define MPSSAS_TARGET_INRECOVERY 0x7
93 #define MPSSAS_IN_DISCOVERY (1 << 0)
94 #define MPSSAS_IN_STARTUP (1 << 1)
95 #define MPSSAS_DISCOVERY_TIMEOUT_PENDING (1 << 2)
96 #define MPSSAS_QUEUE_FROZEN (1 << 3)
97 struct mpssas_target *targets;
98 struct cam_devq *devq;
100 struct cam_path *path;
101 struct intr_config_hook sas_ich;
102 struct callout discovery_callout;
103 u_int discovery_timeouts;
104 struct mps_event_handle *mpssas_eh;
107 struct mpssas_devprobe {
108 struct mps_config_params params;
110 #define MPSSAS_PROBE_DEV1 0x01
111 #define MPSSAS_PROBE_DEV2 0x02
112 #define MPSSAS_PROBE_PHY 0x03
113 #define MPSSAS_PROBE_EXP 0x04
114 #define MPSSAS_PROBE_PHY2 0x05
115 #define MPSSAS_PROBE_EXP2 0x06
116 struct mpssas_target target;
119 #define MPSSAS_DISCOVERY_TIMEOUT 20
120 #define MPSSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */
122 MALLOC_DEFINE(M_MPSSAS, "MPSSAS", "MPS SAS memory");
124 static __inline int mpssas_set_lun(uint8_t *lun, u_int ccblun);
125 static struct mpssas_target * mpssas_alloc_target(struct mpssas_softc *,
126 struct mpssas_target *);
127 static struct mpssas_target * mpssas_find_target(struct mpssas_softc *, int,
129 static void mpssas_announce_device(struct mpssas_softc *,
130 struct mpssas_target *);
131 static void mpssas_startup(void *data);
132 static void mpssas_discovery_end(struct mpssas_softc *sassc);
133 static void mpssas_discovery_timeout(void *data);
134 static void mpssas_prepare_remove(struct mpssas_softc *,
135 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *);
136 static void mpssas_remove_device(struct mps_softc *, struct mps_command *);
137 static void mpssas_remove_complete(struct mps_softc *, struct mps_command *);
138 static void mpssas_action(struct cam_sim *sim, union ccb *ccb);
139 static void mpssas_poll(struct cam_sim *sim);
140 static void mpssas_probe_device(struct mps_softc *sc, uint16_t handle);
141 static void mpssas_probe_device_complete(struct mps_softc *sc,
142 struct mps_config_params *params);
143 static void mpssas_scsiio_timeout(void *data);
144 static void mpssas_abort_complete(struct mps_softc *sc, struct mps_command *cm);
145 static void mpssas_recovery(struct mps_softc *, struct mps_command *);
146 static int mpssas_map_tm_request(struct mps_softc *sc, struct mps_command *cm);
147 static void mpssas_issue_tm_request(struct mps_softc *sc,
148 struct mps_command *cm);
149 static void mpssas_tm_complete(struct mps_softc *sc, struct mps_command *cm,
151 static int mpssas_complete_tm_request(struct mps_softc *sc,
152 struct mps_command *cm, int free_cm);
153 static void mpssas_action_scsiio(struct mpssas_softc *, union ccb *);
154 static void mpssas_scsiio_complete(struct mps_softc *, struct mps_command *);
155 #if __FreeBSD_version >= 900026
156 static void mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm);
157 static void mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb,
159 static void mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb);
160 #endif /* __FreeBSD_version >= 900026 */
161 static void mpssas_resetdev(struct mpssas_softc *, struct mps_command *);
162 static void mpssas_action_resetdev(struct mpssas_softc *, union ccb *);
163 static void mpssas_resetdev_complete(struct mps_softc *, struct mps_command *);
164 static void mpssas_freeze_device(struct mpssas_softc *, struct mpssas_target *);
165 static void mpssas_unfreeze_device(struct mpssas_softc *, struct mpssas_target *) __unused;
168 * Abstracted so that the driver can be backwards and forwards compatible
169 * with future versions of CAM that will provide this functionality.
171 #define MPS_SET_LUN(lun, ccblun) \
172 mpssas_set_lun(lun, ccblun)
175 mpssas_set_lun(uint8_t *lun, u_int ccblun)
179 newlun = (uint64_t *)lun;
181 if (ccblun <= 0xff) {
182 /* Peripheral device address method, LUN is 0 to 255 */
184 } else if (ccblun <= 0x3fff) {
185 /* Flat space address method, LUN is <= 16383 */
186 scsi_ulto2b(ccblun, lun);
188 } else if (ccblun <= 0xffffff) {
189 /* Extended flat space address method, LUN is <= 16777215 */
190 scsi_ulto3b(ccblun, &lun[1]);
191 /* Extended Flat space address method */
193 /* Length = 1, i.e. LUN is 3 bytes long */
195 /* Extended Address Method */
204 static struct mpssas_target *
205 mpssas_alloc_target(struct mpssas_softc *sassc, struct mpssas_target *probe)
207 struct mpssas_target *target;
210 mps_dprint(sassc->sc, MPS_TRACE, "%s\n", __func__);
213 * If it's not a sata or sas target, CAM won't be able to see it. Put
214 * it into a high-numbered slot so that it's accessible but not
215 * interrupting the target numbering sequence of real drives.
217 if ((probe->devinfo & (MPI2_SAS_DEVICE_INFO_SSP_TARGET |
218 MPI2_SAS_DEVICE_INFO_STP_TARGET | MPI2_SAS_DEVICE_INFO_SATA_DEVICE))
223 * Use the enclosure number and slot number as a hint for target
224 * numbering. If that doesn't produce a sane result, search the
228 start = probe->encl_handle * 16 + probe->encl_slot;
230 start = probe->encl_slot;
232 if (start >= sassc->sc->facts->MaxTargets)
236 target = mpssas_find_target(sassc, start, 0);
239 * Nothing found on the first pass, try a second pass that searches the
243 target = mpssas_find_target(sassc, 0, 0);
248 static struct mpssas_target *
249 mpssas_find_target(struct mpssas_softc *sassc, int start, uint16_t handle)
251 struct mpssas_target *target;
254 for (i = start; i < sassc->sc->facts->MaxTargets; i++) {
255 target = &sassc->targets[i];
256 if (target->handle == handle)
264 * Start the probe sequence for a given device handle. This will not
268 mpssas_probe_device(struct mps_softc *sc, uint16_t handle)
270 struct mpssas_devprobe *probe;
271 struct mps_config_params *params;
272 MPI2_CONFIG_EXTENDED_PAGE_HEADER *hdr;
275 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
277 probe = malloc(sizeof(*probe), M_MPSSAS, M_NOWAIT | M_ZERO);
279 mps_dprint(sc, MPS_FAULT, "Out of memory starting probe\n");
282 params = &probe->params;
283 hdr = ¶ms->hdr.Ext;
285 params->action = MPI2_CONFIG_ACTION_PAGE_HEADER;
286 params->page_address = MPI2_SAS_DEVICE_PGAD_FORM_HANDLE | handle;
287 hdr->ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_DEVICE;
288 hdr->ExtPageLength = 0;
290 hdr->PageVersion = 0;
291 params->buffer = NULL;
293 params->callback = mpssas_probe_device_complete;
294 params->cbdata = probe;
295 probe->target.handle = handle;
296 probe->state = MPSSAS_PROBE_DEV1;
298 if ((error = mps_read_config_page(sc, params)) != 0) {
299 free(probe, M_MPSSAS);
300 mps_dprint(sc, MPS_FAULT, "Failure starting device probe\n");
306 mpssas_probe_device_complete(struct mps_softc *sc,
307 struct mps_config_params *params)
309 MPI2_CONFIG_EXTENDED_PAGE_HEADER *hdr;
310 struct mpssas_devprobe *probe;
313 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
315 hdr = ¶ms->hdr.Ext;
316 probe = params->cbdata;
318 switch (probe->state) {
319 case MPSSAS_PROBE_DEV1:
320 case MPSSAS_PROBE_PHY:
321 case MPSSAS_PROBE_EXP:
322 if (params->status != MPI2_IOCSTATUS_SUCCESS) {
323 mps_dprint(sc, MPS_FAULT,
324 "Probe Failure 0x%x state %d\n", params->status,
326 free(probe, M_MPSSAS);
329 params->action = MPI2_CONFIG_ACTION_PAGE_READ_CURRENT;
330 params->length = hdr->ExtPageLength * 4;
331 params->buffer = malloc(params->length, M_MPSSAS,
333 if (params->buffer == NULL) {
334 mps_dprint(sc, MPS_FAULT, "Out of memory at state "
335 "0x%x, size 0x%x\n", probe->state, params->length);
336 free(probe, M_MPSSAS);
339 if (probe->state == MPSSAS_PROBE_DEV1)
340 probe->state = MPSSAS_PROBE_DEV2;
341 else if (probe->state == MPSSAS_PROBE_PHY)
342 probe->state = MPSSAS_PROBE_PHY2;
343 else if (probe->state == MPSSAS_PROBE_EXP)
344 probe->state = MPSSAS_PROBE_EXP2;
345 error = mps_read_config_page(sc, params);
347 case MPSSAS_PROBE_DEV2:
349 MPI2_CONFIG_PAGE_SAS_DEV_0 *buf;
351 if (params->status != MPI2_IOCSTATUS_SUCCESS) {
352 mps_dprint(sc, MPS_FAULT,
353 "Probe Failure 0x%x state %d\n", params->status,
355 free(params->buffer, M_MPSSAS);
356 free(probe, M_MPSSAS);
359 buf = params->buffer;
360 mps_print_sasdev0(sc, buf);
362 probe->target.devname = mps_to_u64(&buf->DeviceName);
363 probe->target.devinfo = buf->DeviceInfo;
364 probe->target.encl_handle = buf->EnclosureHandle;
365 probe->target.encl_slot = buf->Slot;
366 probe->target.sasaddr = mps_to_u64(&buf->SASAddress);
367 probe->target.parent_handle = buf->ParentDevHandle;
369 if (buf->DeviceInfo & MPI2_SAS_DEVICE_INFO_DIRECT_ATTACH) {
370 params->page_address =
371 MPI2_SAS_PHY_PGAD_FORM_PHY_NUMBER | buf->PhyNum;
372 hdr->ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_PHY;
374 probe->state = MPSSAS_PROBE_PHY;
376 params->page_address =
377 MPI2_SAS_EXPAND_PGAD_FORM_HNDL_PHY_NUM |
378 buf->ParentDevHandle | (buf->PhyNum << 16);
379 hdr->ExtPageType = MPI2_CONFIG_EXTPAGETYPE_SAS_EXPANDER;
381 probe->state = MPSSAS_PROBE_EXP;
383 params->action = MPI2_CONFIG_ACTION_PAGE_HEADER;
384 hdr->ExtPageLength = 0;
385 hdr->PageVersion = 0;
386 params->buffer = NULL;
389 error = mps_read_config_page(sc, params);
392 case MPSSAS_PROBE_PHY2:
393 case MPSSAS_PROBE_EXP2:
395 MPI2_CONFIG_PAGE_SAS_PHY_0 *phy;
396 MPI2_CONFIG_PAGE_EXPANDER_1 *exp;
397 struct mpssas_softc *sassc;
398 struct mpssas_target *targ;
402 if (params->status != MPI2_IOCSTATUS_SUCCESS) {
403 mps_dprint(sc, MPS_FAULT,
404 "Probe Failure 0x%x state %d\n", params->status,
406 free(params->buffer, M_MPSSAS);
407 free(probe, M_MPSSAS);
411 if (probe->state == MPSSAS_PROBE_PHY2) {
412 phy = params->buffer;
413 mps_print_sasphy0(sc, phy);
414 probe->target.linkrate = phy->NegotiatedLinkRate & 0xf;
416 exp = params->buffer;
417 mps_print_expander1(sc, exp);
418 probe->target.linkrate = exp->NegotiatedLinkRate & 0xf;
420 free(params->buffer, M_MPSSAS);
423 handle = probe->target.handle;
424 if ((targ = mpssas_find_target(sassc, 0, handle)) != NULL) {
425 mps_printf(sc, "Ignoring dup device handle 0x%04x\n",
427 free(probe, M_MPSSAS);
430 if ((targ = mpssas_alloc_target(sassc, &probe->target)) == NULL) {
431 mps_printf(sc, "Target table overflow, handle 0x%04x\n",
433 free(probe, M_MPSSAS);
437 *targ = probe->target; /* Copy the attributes */
438 targ->tid = targ - sassc->targets;
439 mps_describe_devinfo(targ->devinfo, devstring, 80);
441 mps_printf(sc, "Found device <%s> <%s> <0x%04x> "
442 "<%d/%d>\n", devstring,
443 mps_describe_table(mps_linkrate_names,
444 targ->linkrate), targ->handle, targ->encl_handle,
447 free(probe, M_MPSSAS);
448 mpssas_announce_device(sassc, targ);
457 * The MPT2 firmware performs debounce on the link to avoid transient link errors
458 * and false removals. When it does decide that link has been lost and a device
459 * need to go away, it expects that the host will perform a target reset and then
460 * an op remove. The reset has the side-effect of aborting any outstanding
461 * requests for the device, which is required for the op-remove to succeed. It's
462 * not clear if the host should check for the device coming back alive after the
466 mpssas_prepare_remove(struct mpssas_softc *sassc, MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy)
468 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
469 struct mps_softc *sc;
470 struct mps_command *cm;
471 struct mpssas_target *targ = NULL;
474 mps_dprint(sassc->sc, MPS_TRACE, "%s\n", __func__);
476 handle = phy->AttachedDevHandle;
477 targ = mpssas_find_target(sassc, 0, handle);
479 /* We don't know about this device? */
483 cm = mps_alloc_command(sc);
485 mps_printf(sc, "comand alloc failure in mpssas_prepare_remove\n");
489 mps_dprint(sc, MPS_INFO, "Preparing to remove target %d\n", targ->tid);
491 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
492 memset(req, 0, sizeof(*req));
493 req->DevHandle = targ->handle;
494 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
495 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
497 /* SAS Hard Link Reset / SATA Link Reset */
498 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
501 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
502 cm->cm_complete = mpssas_remove_device;
504 mpssas_issue_tm_request(sc, cm);
508 mpssas_remove_device(struct mps_softc *sc, struct mps_command *cm)
510 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
511 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req;
512 struct mpssas_target *targ;
513 struct mps_command *next_cm;
516 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
518 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)cm->cm_reply;
519 handle = cm->cm_targ->handle;
521 mpssas_complete_tm_request(sc, cm, /*free_cm*/ 0);
524 * Currently there should be no way we can hit this case. It only
525 * happens when we have a failure to allocate chain frames, and
526 * task management commands don't have S/G lists.
528 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
529 mps_printf(sc, "%s: cm_flags = %#x for remove of handle %#04x! "
530 "This should not happen!\n", __func__, cm->cm_flags,
535 if (reply->IOCStatus != MPI2_IOCSTATUS_SUCCESS) {
536 mps_printf(sc, "Failure 0x%x reseting device 0x%04x\n",
537 reply->IOCStatus, handle);
538 mps_free_command(sc, cm);
542 mps_dprint(sc, MPS_INFO, "Reset aborted %u commands\n",
543 reply->TerminationCount);
544 mps_free_reply(sc, cm->cm_reply_data);
546 /* Reuse the existing command */
547 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)cm->cm_req;
548 memset(req, 0, sizeof(*req));
549 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
550 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
551 req->DevHandle = handle;
553 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
554 cm->cm_flags &= ~MPS_CM_FLAGS_COMPLETE;
555 cm->cm_complete = mpssas_remove_complete;
557 mps_map_command(sc, cm);
559 mps_dprint(sc, MPS_INFO, "clearing target handle 0x%04x\n", handle);
560 TAILQ_FOREACH_SAFE(cm, &sc->io_list, cm_link, next_cm) {
563 if (cm->cm_targ->handle != handle)
566 mps_dprint(sc, MPS_INFO, "Completing missed command %p\n", cm);
567 ccb = cm->cm_complete_data;
568 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
569 mpssas_scsiio_complete(sc, cm);
571 targ = mpssas_find_target(sc->sassc, 0, handle);
574 mpssas_announce_device(sc->sassc, targ);
579 mpssas_remove_complete(struct mps_softc *sc, struct mps_command *cm)
581 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply;
583 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
585 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)cm->cm_reply;
587 mps_printf(sc, "mpssas_remove_complete on target 0x%04x,"
588 " IOCStatus= 0x%x\n", cm->cm_targ->tid, reply->IOCStatus);
590 mps_free_command(sc, cm);
594 mpssas_evt_handler(struct mps_softc *sc, uintptr_t data,
595 MPI2_EVENT_NOTIFICATION_REPLY *event)
597 struct mpssas_softc *sassc;
599 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
602 mps_print_evt_sas(sc, event);
604 switch (event->Event) {
605 case MPI2_EVENT_SAS_DISCOVERY:
607 MPI2_EVENT_DATA_SAS_DISCOVERY *data;
609 data = (MPI2_EVENT_DATA_SAS_DISCOVERY *)&event->EventData;
611 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_STARTED)
612 mps_dprint(sc, MPS_TRACE,"SAS discovery start event\n");
613 if (data->ReasonCode & MPI2_EVENT_SAS_DISC_RC_COMPLETED) {
614 mps_dprint(sc, MPS_TRACE, "SAS discovery end event\n");
615 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
616 mpssas_discovery_end(sassc);
620 case MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST:
622 MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *data;
623 MPI2_EVENT_SAS_TOPO_PHY_ENTRY *phy;
626 data = (MPI2_EVENT_DATA_SAS_TOPOLOGY_CHANGE_LIST *)
629 if (data->ExpStatus == MPI2_EVENT_SAS_TOPO_ES_ADDED) {
631 printf("Expander found at enclosure %d\n",
632 data->EnclosureHandle);
633 mpssas_probe_device(sc, data->ExpanderDevHandle);
636 for (i = 0; i < data->NumEntries; i++) {
638 switch (phy->PhyStatus & MPI2_EVENT_SAS_TOPO_RC_MASK) {
639 case MPI2_EVENT_SAS_TOPO_RC_TARG_ADDED:
640 mpssas_probe_device(sc, phy->AttachedDevHandle);
642 case MPI2_EVENT_SAS_TOPO_RC_TARG_NOT_RESPONDING:
643 mpssas_prepare_remove(sassc, phy);
645 case MPI2_EVENT_SAS_TOPO_RC_PHY_CHANGED:
646 case MPI2_EVENT_SAS_TOPO_RC_NO_CHANGE:
647 case MPI2_EVENT_SAS_TOPO_RC_DELAY_NOT_RESPONDING:
655 case MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE:
661 mps_free_reply(sc, data);
665 mpssas_register_events(struct mps_softc *sc)
670 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
671 setbit(events, MPI2_EVENT_SAS_DISCOVERY);
672 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
673 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE);
674 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW);
675 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
676 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
678 mps_register_events(sc, events, mpssas_evt_handler, NULL,
679 &sc->sassc->mpssas_eh);
685 mps_attach_sas(struct mps_softc *sc)
687 struct mpssas_softc *sassc;
691 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
693 sassc = malloc(sizeof(struct mpssas_softc), M_MPT2, M_WAITOK|M_ZERO);
694 sassc->targets = malloc(sizeof(struct mpssas_target) *
695 sc->facts->MaxTargets, M_MPT2, M_WAITOK|M_ZERO);
700 * Tell CAM that we can handle 5 fewer requests than we have
701 * allocated. If we allow the full number of requests, all I/O
702 * will halt when we run out of resources. Things work fine with
703 * just 1 less request slot given to CAM than we have allocated.
704 * We also need a couple of extra commands so that we can send down
705 * abort, reset, etc. requests when commands time out. Otherwise
706 * we could wind up in a situation with sc->num_reqs requests down
707 * on the card and no way to send an abort.
709 * XXX KDM need to figure out why I/O locks up if all commands are
712 num_sim_reqs = sc->num_reqs - 5;
714 if ((sassc->devq = cam_simq_alloc(num_sim_reqs)) == NULL) {
715 mps_dprint(sc, MPS_FAULT, "Cannot allocate SIMQ\n");
720 sassc->sim = cam_sim_alloc(mpssas_action, mpssas_poll, "mps", sassc,
721 device_get_unit(sc->mps_dev), &sc->mps_mtx, num_sim_reqs,
722 num_sim_reqs, sassc->devq);
723 if (sassc->sim == NULL) {
724 mps_dprint(sc, MPS_FAULT, "Cannot allocate SIM\n");
730 * XXX There should be a bus for every port on the adapter, but since
731 * we're just going to fake the topology for now, we'll pretend that
732 * everything is just a target on a single bus.
735 if ((error = xpt_bus_register(sassc->sim, sc->mps_dev, 0)) != 0) {
736 mps_dprint(sc, MPS_FAULT, "Error %d registering SCSI bus\n",
743 * Assume that discovery events will start right away. Freezing
744 * the simq will prevent the CAM boottime scanner from running
745 * before discovery is complete.
747 sassc->flags = MPSSAS_IN_STARTUP | MPSSAS_IN_DISCOVERY;
748 xpt_freeze_simq(sassc->sim, 1);
752 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/);
753 sassc->discovery_timeouts = 0;
755 mpssas_register_events(sc);
763 mps_detach_sas(struct mps_softc *sc)
765 struct mpssas_softc *sassc;
767 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
769 if (sc->sassc == NULL)
774 /* Make sure CAM doesn't wedge if we had to bail out early. */
776 if (sassc->flags & MPSSAS_IN_STARTUP)
777 xpt_release_simq(sassc->sim, 1);
780 if (sassc->mpssas_eh != NULL)
781 mps_deregister_events(sc, sassc->mpssas_eh);
785 if (sassc->sim != NULL) {
786 xpt_bus_deregister(cam_sim_path(sassc->sim));
787 cam_sim_free(sassc->sim, FALSE);
791 if (sassc->devq != NULL)
792 cam_simq_free(sassc->devq);
794 free(sassc->targets, M_MPT2);
802 mpssas_discovery_end(struct mpssas_softc *sassc)
804 struct mps_softc *sc = sassc->sc;
806 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
808 if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)
809 callout_stop(&sassc->discovery_callout);
811 if ((sassc->flags & MPSSAS_IN_STARTUP) != 0) {
812 mps_dprint(sc, MPS_INFO,
813 "mpssas_discovery_end: removing confighook\n");
814 sassc->flags &= ~MPSSAS_IN_STARTUP;
815 xpt_release_simq(sassc->sim, 1);
818 mpssas_announce_device(sassc, NULL);
824 mpssas_announce_device(struct mpssas_softc *sassc, struct mpssas_target *targ)
830 * Force a rescan, a hackish way to announce devices.
831 * XXX Doing a scan on an individual device is hackish in that it
832 * won't scan the LUNs.
833 * XXX Does it matter if any of this fails?
835 bus = cam_sim_path(sassc->sim);
840 tid = CAM_TARGET_WILDCARD;
841 lun = CAM_LUN_WILDCARD;
843 ccb = xpt_alloc_ccb_nowait();
846 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, bus, tid,
847 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
851 mps_dprint(sassc->sc, MPS_INFO, "Triggering rescan of %d:%d:-1\n",
857 mpssas_startup(void *data)
859 struct mpssas_softc *sassc = data;
861 mps_dprint(sassc->sc, MPS_TRACE, "%s\n", __func__);
864 if ((sassc->flags & MPSSAS_IN_DISCOVERY) == 0) {
865 mpssas_discovery_end(sassc);
867 if (sassc->discovery_timeouts < MPSSAS_MAX_DISCOVERY_TIMEOUTS) {
868 sassc->flags |= MPSSAS_DISCOVERY_TIMEOUT_PENDING;
869 callout_reset(&sassc->discovery_callout,
870 MPSSAS_DISCOVERY_TIMEOUT * hz,
871 mpssas_discovery_timeout, sassc);
872 sassc->discovery_timeouts++;
874 mps_dprint(sassc->sc, MPS_FAULT,
875 "Discovery timed out, continuing.\n");
876 sassc->flags &= ~MPSSAS_IN_DISCOVERY;
877 mpssas_discovery_end(sassc);
880 mps_unlock(sassc->sc);
886 mpssas_discovery_timeout(void *data)
888 struct mpssas_softc *sassc = data;
889 struct mps_softc *sc;
892 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
896 "Timeout waiting for discovery, interrupts may not be working!\n");
897 sassc->flags &= ~MPSSAS_DISCOVERY_TIMEOUT_PENDING;
899 /* Poll the hardware for events in case interrupts aren't working */
903 /* Check the status of discovery and re-arm the timeout if needed */
904 mpssas_startup(sassc);
908 mpssas_action(struct cam_sim *sim, union ccb *ccb)
910 struct mpssas_softc *sassc;
912 sassc = cam_sim_softc(sim);
914 mps_dprint(sassc->sc, MPS_TRACE, "%s func 0x%x\n", __func__,
915 ccb->ccb_h.func_code);
917 switch (ccb->ccb_h.func_code) {
920 struct ccb_pathinq *cpi = &ccb->cpi;
922 cpi->version_num = 1;
923 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
924 cpi->target_sprt = 0;
925 cpi->hba_misc = PIM_NOBUSRESET;
926 cpi->hba_eng_cnt = 0;
927 cpi->max_target = sassc->sc->facts->MaxTargets - 1;
929 cpi->initiator_id = 255;
930 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
931 strncpy(cpi->hba_vid, "LSILogic", HBA_IDLEN);
932 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
933 cpi->unit_number = cam_sim_unit(sim);
934 cpi->bus_id = cam_sim_bus(sim);
935 cpi->base_transfer_speed = 150000;
936 cpi->transport = XPORT_SAS;
937 cpi->transport_version = 0;
938 cpi->protocol = PROTO_SCSI;
939 cpi->protocol_version = SCSI_REV_SPC;
940 cpi->ccb_h.status = CAM_REQ_CMP;
943 case XPT_GET_TRAN_SETTINGS:
945 struct ccb_trans_settings *cts;
946 struct ccb_trans_settings_sas *sas;
947 struct ccb_trans_settings_scsi *scsi;
948 struct mpssas_target *targ;
951 sas = &cts->xport_specific.sas;
952 scsi = &cts->proto_specific.scsi;
954 targ = &sassc->targets[cts->ccb_h.target_id];
955 if (targ->handle == 0x0) {
956 cts->ccb_h.status = CAM_TID_INVALID;
960 cts->protocol_version = SCSI_REV_SPC2;
961 cts->transport = XPORT_SAS;
962 cts->transport_version = 0;
964 sas->valid = CTS_SAS_VALID_SPEED;
965 switch (targ->linkrate) {
967 sas->bitrate = 150000;
970 sas->bitrate = 300000;
973 sas->bitrate = 600000;
979 cts->protocol = PROTO_SCSI;
980 scsi->valid = CTS_SCSI_VALID_TQ;
981 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
983 cts->ccb_h.status = CAM_REQ_CMP;
986 case XPT_CALC_GEOMETRY:
987 cam_calc_geometry(&ccb->ccg, /*extended*/1);
988 ccb->ccb_h.status = CAM_REQ_CMP;
991 mpssas_action_resetdev(sassc, ccb);
996 ccb->ccb_h.status = CAM_REQ_CMP;
999 mpssas_action_scsiio(sassc, ccb);
1001 #if __FreeBSD_version >= 900026
1003 mpssas_action_smpio(sassc, ccb);
1005 #endif /* __FreeBSD_version >= 900026 */
1007 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1016 mpssas_resettimeout_complete(struct mps_softc *sc, struct mps_command *cm)
1018 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
1021 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1023 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)cm->cm_reply;
1024 code = resp->ResponseCode;
1026 mps_free_command(sc, cm);
1027 mpssas_unfreeze_device(sassc, targ);
1029 if (code != MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
1030 mps_reset_controller(sc);
1038 mpssas_scsiio_timeout(void *data)
1041 struct mps_softc *sc;
1042 struct mps_command *cm;
1043 struct mpssas_target *targ;
1045 char cdb_str[(SCSI_MAX_CDBLEN * 3) + 1];
1048 cm = (struct mps_command *)data;
1052 * Run the interrupt handler to make sure it's not pending. This
1053 * isn't perfect because the command could have already completed
1054 * and been re-used, though this is unlikely.
1057 mps_intr_locked(sc);
1058 if (cm->cm_state == MPS_CM_STATE_FREE) {
1063 ccb = cm->cm_complete_data;
1067 targ = &sc->sassc->targets[ccb->ccb_h.target_id];
1069 xpt_print(ccb->ccb_h.path, "SCSI command timeout on device handle "
1070 "0x%04x SMID %d\n", targ->handle, cm->cm_desc.Default.SMID);
1072 * XXX KDM this is useful for debugging purposes, but the existing
1073 * scsi_op_desc() implementation can't handle a NULL value for
1074 * inq_data. So this will remain commented out until I bring in
1075 * those changes as well.
1078 xpt_print(ccb->ccb_h.path, "Timed out command: %s. CDB %s\n",
1079 scsi_op_desc((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1080 ccb->csio.cdb_io.cdb_ptr[0] :
1081 ccb->csio.cdb_io.cdb_bytes[0], NULL),
1082 scsi_cdb_string((ccb->ccb_h.flags & CAM_CDB_POINTER) ?
1083 ccb->csio.cdb_io.cdb_ptr :
1084 ccb->csio.cdb_io.cdb_bytes, cdb_str,
1088 /* Inform CAM about the timeout and that recovery is starting. */
1090 if ((targ->flags & MPSSAS_TARGET_INRECOVERY) == 0) {
1091 mpssas_freeze_device(sc->sassc, targ);
1092 ccb->ccb_h.status = CAM_CMD_TIMEOUT;
1096 mpssas_freeze_device(sc->sassc, targ);
1097 ccb->ccb_h.status = CAM_CMD_TIMEOUT;
1100 * recycle the command into recovery so that there's no risk of
1101 * command allocation failure.
1103 cm->cm_state = MPS_CM_STATE_TIMEDOUT;
1104 mpssas_recovery(sc, cm);
1109 mpssas_abort_complete(struct mps_softc *sc, struct mps_command *cm)
1111 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1113 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
1116 * Currently there should be no way we can hit this case. It only
1117 * happens when we have a failure to allocate chain frames, and
1118 * task management commands don't have S/G lists.
1120 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1121 mps_printf(sc, "%s: cm_flags = %#x for abort on handle %#04x! "
1122 "This should not happen!\n", __func__, cm->cm_flags,
1126 mps_printf(sc, "%s: abort request on handle %#04x SMID %d "
1127 "complete\n", __func__, req->DevHandle, req->TaskMID);
1129 mpssas_complete_tm_request(sc, cm, /*free_cm*/ 1);
1133 mpssas_recovery(struct mps_softc *sc, struct mps_command *abort_cm)
1135 struct mps_command *cm;
1136 MPI2_SCSI_TASK_MANAGE_REQUEST *req, *orig_req;
1138 cm = mps_alloc_command(sc);
1140 mps_printf(sc, "%s: command allocation failure\n", __func__);
1144 cm->cm_targ = abort_cm->cm_targ;
1145 cm->cm_complete = mpssas_abort_complete;
1147 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
1148 orig_req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)abort_cm->cm_req;
1149 req->DevHandle = abort_cm->cm_targ->handle;
1150 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1151 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1152 memcpy(req->LUN, orig_req->LUN, sizeof(req->LUN));
1153 req->TaskMID = abort_cm->cm_desc.Default.SMID;
1156 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1158 mpssas_issue_tm_request(sc, cm);
1163 * Can return 0 or EINPROGRESS on success. Any other value means failure.
1166 mpssas_map_tm_request(struct mps_softc *sc, struct mps_command *cm)
1172 cm->cm_flags |= MPS_CM_FLAGS_ACTIVE;
1173 error = mps_map_command(sc, cm);
1175 || (error == EINPROGRESS))
1176 sc->tm_cmds_active++;
1182 mpssas_issue_tm_request(struct mps_softc *sc, struct mps_command *cm)
1184 int freeze_queue, send_command, error;
1190 mtx_assert(&sc->mps_mtx, MA_OWNED);
1193 * If there are no other pending task management commands, go
1194 * ahead and send this one. There is a small amount of anecdotal
1195 * evidence that sending lots of task management commands at once
1196 * may cause the controller to lock up. Or, if the user has
1197 * configured the driver (via the allow_multiple_tm_cmds variable) to
1198 * not serialize task management commands, go ahead and send the
1199 * command if even other task management commands are pending.
1201 if (TAILQ_FIRST(&sc->tm_list) == NULL) {
1204 } else if (sc->allow_multiple_tm_cmds != 0)
1207 TAILQ_INSERT_TAIL(&sc->tm_list, cm, cm_link);
1208 if (send_command != 0) {
1210 * Freeze the SIM queue while we issue the task management
1211 * command. According to the Fusion-MPT 2.0 spec, task
1212 * management requests are serialized, and so the host
1213 * should not send any I/O requests while task management
1214 * requests are pending.
1216 if (freeze_queue != 0)
1217 xpt_freeze_simq(sc->sassc->sim, 1);
1219 error = mpssas_map_tm_request(sc, cm);
1222 * At present, there is no error path back from
1223 * mpssas_map_tm_request() (which calls mps_map_command())
1224 * when cm->cm_data == NULL. But since there is a return
1225 * value, we check it just in case the implementation
1229 && (error != EINPROGRESS))
1230 mpssas_tm_complete(sc, cm,
1231 MPI2_SCSITASKMGMT_RSP_TM_FAILED);
1236 mpssas_tm_complete(struct mps_softc *sc, struct mps_command *cm, int error)
1238 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
1240 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)cm->cm_reply;
1243 resp->ResponseCode = error;
1246 * Call the callback for this command, it will be
1247 * removed from the list and freed via the callback.
1249 cm->cm_complete(sc, cm);
1253 * Complete a task management request. The basic completion operation will
1254 * always succeed. Returns status for sending any further task management
1255 * commands that were queued.
1258 mpssas_complete_tm_request(struct mps_softc *sc, struct mps_command *cm,
1265 mtx_assert(&sc->mps_mtx, MA_OWNED);
1267 TAILQ_REMOVE(&sc->tm_list, cm, cm_link);
1268 cm->cm_flags &= ~MPS_CM_FLAGS_ACTIVE;
1269 sc->tm_cmds_active--;
1272 mps_free_command(sc, cm);
1274 if (TAILQ_FIRST(&sc->tm_list) == NULL) {
1276 * Release the SIM queue, we froze it when we sent the first
1277 * task management request.
1279 xpt_release_simq(sc->sassc->sim, 1);
1280 } else if ((sc->tm_cmds_active == 0)
1281 || (sc->allow_multiple_tm_cmds != 0)) {
1283 struct mps_command *cm2;
1288 * We don't bother using TAILQ_FOREACH_SAFE here, but
1289 * rather use the standard version and just restart the
1290 * list traversal if we run into the error case.
1291 * TAILQ_FOREACH_SAFE allows safe removal of the current
1292 * list element, but if you have a queue of task management
1293 * commands, all of which have mapping errors, you'll end
1294 * up with recursive calls to this routine and so you could
1295 * wind up removing more than just the current list element.
1297 TAILQ_FOREACH(cm2, &sc->tm_list, cm_link) {
1298 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1300 /* This command is active, no need to send it again */
1301 if (cm2->cm_flags & MPS_CM_FLAGS_ACTIVE)
1304 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm2->cm_req;
1306 mps_printf(sc, "%s: sending deferred task management "
1307 "request for handle %#04x SMID %d\n", __func__,
1308 req->DevHandle, req->TaskMID);
1310 error = mpssas_map_tm_request(sc, cm2);
1313 * Check for errors. If we had an error, complete
1314 * this command with an error, and keep going through
1315 * the list until we are able to send at least one
1316 * command or all of them are completed with errors.
1318 * We don't want to wind up in a situation where
1319 * we're stalled out with no way for queued task
1320 * management commands to complete.
1322 * Note that there is not currently an error path
1323 * back from mpssas_map_tm_request() (which calls
1324 * mps_map_command()) when cm->cm_data == NULL.
1325 * But we still want to check for errors here in
1326 * case the implementation changes, or in case
1327 * there is some reason for a data payload here.
1330 && (error != EINPROGRESS)) {
1331 mpssas_tm_complete(sc, cm,
1332 MPI2_SCSITASKMGMT_RSP_TM_FAILED);
1335 * If we don't currently have any commands
1336 * active, go back to the beginning and see
1337 * if there are any more that can be started.
1338 * Otherwise, we're done here.
1340 if (sc->tm_cmds_active == 0)
1341 goto restart_traversal;
1347 * If the user only wants one task management command
1348 * active at a time, we're done, since we've
1349 * already successfully sent a command at this point.
1351 if (sc->allow_multiple_tm_cmds == 0)
1360 mpssas_action_scsiio(struct mpssas_softc *sassc, union ccb *ccb)
1362 MPI2_SCSI_IO_REQUEST *req;
1363 struct ccb_scsiio *csio;
1364 struct mps_softc *sc;
1365 struct mpssas_target *targ;
1366 struct mps_command *cm;
1368 mps_dprint(sassc->sc, MPS_TRACE, "%s\n", __func__);
1373 targ = &sassc->targets[csio->ccb_h.target_id];
1374 if (targ->handle == 0x0) {
1375 csio->ccb_h.status = CAM_SEL_TIMEOUT;
1380 cm = mps_alloc_command(sc);
1382 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
1383 xpt_freeze_simq(sassc->sim, 1);
1384 sassc->flags |= MPSSAS_QUEUE_FROZEN;
1386 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1387 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1392 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1393 bzero(req, sizeof(*req));
1394 req->DevHandle = targ->handle;
1395 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1397 req->SenseBufferLowAddress = cm->cm_sense_busaddr;
1398 req->SenseBufferLength = MPS_SENSE_LEN;
1400 req->ChainOffset = 0;
1401 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
1406 req->DataLength = csio->dxfer_len;
1407 req->BidirectionalDataLength = 0;
1408 req->IoFlags = csio->cdb_len;
1411 /* Note: BiDirectional transfers are not supported */
1412 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
1414 req->Control = MPI2_SCSIIO_CONTROL_READ;
1415 cm->cm_flags |= MPS_CM_FLAGS_DATAIN;
1418 req->Control = MPI2_SCSIIO_CONTROL_WRITE;
1419 cm->cm_flags |= MPS_CM_FLAGS_DATAOUT;
1423 req->Control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
1428 * It looks like the hardware doesn't require an explicit tag
1429 * number for each transaction. SAM Task Management not supported
1432 switch (csio->tag_action) {
1433 case MSG_HEAD_OF_Q_TAG:
1434 req->Control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
1436 case MSG_ORDERED_Q_TAG:
1437 req->Control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
1440 req->Control |= MPI2_SCSIIO_CONTROL_ACAQ;
1442 case CAM_TAG_ACTION_NONE:
1443 case MSG_SIMPLE_Q_TAG:
1445 req->Control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
1449 if (MPS_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
1450 mps_free_command(sc, cm);
1451 ccb->ccb_h.status = CAM_LUN_INVALID;
1456 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1457 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
1459 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
1460 req->IoFlags = csio->cdb_len;
1463 * XXX need to handle S/G lists and physical addresses here.
1465 cm->cm_data = csio->data_ptr;
1466 cm->cm_length = csio->dxfer_len;
1467 cm->cm_sge = &req->SGL;
1468 cm->cm_sglsize = (32 - 24) * 4;
1469 cm->cm_desc.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1470 cm->cm_desc.SCSIIO.DevHandle = targ->handle;
1471 cm->cm_complete = mpssas_scsiio_complete;
1472 cm->cm_complete_data = ccb;
1475 sc->io_cmds_active++;
1476 if (sc->io_cmds_active > sc->io_cmds_highwater)
1477 sc->io_cmds_highwater = sc->io_cmds_active;
1479 TAILQ_INSERT_TAIL(&sc->io_list, cm, cm_link);
1480 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
1481 mpssas_scsiio_timeout, cm);
1483 mps_map_command(sc, cm);
1488 mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
1490 MPI2_SCSI_IO_REPLY *rep;
1492 struct mpssas_softc *sassc;
1496 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
1498 callout_stop(&cm->cm_callout);
1499 TAILQ_REMOVE(&sc->io_list, cm, cm_link);
1500 sc->io_cmds_active--;
1503 ccb = cm->cm_complete_data;
1504 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
1507 * XXX KDM if the chain allocation fails, does it matter if we do
1508 * the sync and unload here? It is simpler to do it in every case,
1509 * assuming it doesn't cause problems.
1511 if (cm->cm_data != NULL) {
1512 if (cm->cm_flags & MPS_CM_FLAGS_DATAIN)
1513 dir = BUS_DMASYNC_POSTREAD;
1514 else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT)
1515 dir = BUS_DMASYNC_POSTWRITE;;
1516 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
1517 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
1520 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1522 * We ran into an error after we tried to map the command,
1523 * so we're getting a callback without queueing the command
1524 * to the hardware. So we set the status here, and it will
1525 * be retained below. We'll go through the "fast path",
1526 * because there can be no reply when we haven't actually
1527 * gone out to the hardware.
1529 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1532 * Currently the only error included in the mask is
1533 * MPS_CM_FLAGS_CHAIN_FAILED, which means we're out of
1534 * chain frames. We need to freeze the queue until we get
1535 * a command that completed without this error, which will
1536 * hopefully have some chain frames attached that we can
1537 * use. If we wanted to get smarter about it, we would
1538 * only unfreeze the queue in this condition when we're
1539 * sure that we're getting some chain frames back. That's
1540 * probably unnecessary.
1542 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
1543 xpt_freeze_simq(sassc->sim, 1);
1544 sassc->flags |= MPSSAS_QUEUE_FROZEN;
1545 mps_dprint(sc, MPS_INFO, "Error sending command, "
1546 "freezing SIM queue\n");
1550 /* Take the fast path to completion */
1551 if (cm->cm_reply == NULL) {
1552 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
1553 ccb->ccb_h.status = CAM_REQ_CMP;
1554 ccb->csio.scsi_status = SCSI_STATUS_OK;
1556 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
1557 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1558 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
1559 mps_dprint(sc, MPS_INFO,
1560 "Unfreezing SIM queue\n");
1563 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1564 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
1566 mps_free_command(sc, cm);
1571 mps_dprint(sc, MPS_INFO, "(%d:%d:%d) IOCStatus= 0x%x, "
1572 "ScsiStatus= 0x%x, SCSIState= 0x%x TransferCount= 0x%x\n",
1573 xpt_path_path_id(ccb->ccb_h.path),
1574 xpt_path_target_id(ccb->ccb_h.path),
1575 xpt_path_lun_id(ccb->ccb_h.path), rep->IOCStatus,
1576 rep->SCSIStatus, rep->SCSIState, rep->TransferCount);
1578 switch (rep->IOCStatus & MPI2_IOCSTATUS_MASK) {
1579 case MPI2_IOCSTATUS_BUSY:
1580 case MPI2_IOCSTATUS_INSUFFICIENT_RESOURCES:
1582 * The controller is overloaded, try waiting a bit for it
1585 ccb->ccb_h.status = CAM_BUSY;
1587 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
1588 ccb->csio.resid = cm->cm_length - rep->TransferCount;
1590 case MPI2_IOCSTATUS_SUCCESS:
1591 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
1592 ccb->ccb_h.status = CAM_REQ_CMP;
1594 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
1595 /* resid is ignored for this condition */
1596 ccb->csio.resid = 0;
1597 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
1599 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
1600 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
1601 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
1603 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
1605 * This is one of the responses that comes back when an I/O
1606 * has been aborted. If it is because of a timeout that we
1607 * initiated, just set the status to CAM_CMD_TIMEOUT.
1608 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
1609 * command is the same (it gets retried, subject to the
1610 * retry counter), the only difference is what gets printed
1613 if (cm->cm_state == MPS_CM_STATE_TIMEDOUT)
1614 ccb->ccb_h.status = CAM_CMD_TIMEOUT;
1616 ccb->ccb_h.status = CAM_REQ_ABORTED;
1618 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
1619 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
1621 ccb->ccb_h.status = CAM_REQ_ABORTED;
1623 mps_printf(sc, "(%d:%d:%d) terminated ioc %x scsi %x state %x "
1624 "xfer %u\n", xpt_path_path_id(ccb->ccb_h.path),
1625 xpt_path_target_id(ccb->ccb_h.path),
1626 xpt_path_lun_id(ccb->ccb_h.path),
1627 rep->IOCStatus, rep->SCSIStatus, rep->SCSIState,
1628 rep->TransferCount);
1629 ccb->ccb_h.status = CAM_REQUEUE_REQ;
1631 case MPI2_IOCSTATUS_INVALID_SGL:
1632 mps_print_scsiio_cmd(sc, cm);
1633 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR;
1635 case MPI2_IOCSTATUS_INVALID_FUNCTION:
1636 case MPI2_IOCSTATUS_INTERNAL_ERROR:
1637 case MPI2_IOCSTATUS_INVALID_VPID:
1638 case MPI2_IOCSTATUS_INVALID_FIELD:
1639 case MPI2_IOCSTATUS_INVALID_STATE:
1640 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
1641 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
1642 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1643 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
1644 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
1646 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1650 if ((rep->SCSIState & MPI2_SCSI_STATE_NO_SCSI_STATUS) == 0) {
1651 ccb->csio.scsi_status = rep->SCSIStatus;
1653 switch (rep->SCSIStatus) {
1654 case MPI2_SCSI_STATUS_TASK_SET_FULL:
1655 case MPI2_SCSI_STATUS_CHECK_CONDITION:
1656 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
1658 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
1659 case MPI2_SCSI_STATUS_TASK_ABORTED:
1660 ccb->ccb_h.status = CAM_REQ_ABORTED;
1662 case MPI2_SCSI_STATUS_GOOD:
1668 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
1669 sense_len = MIN(rep->SenseCount,
1670 sizeof(struct scsi_sense_data));
1671 if (sense_len < rep->SenseCount)
1672 ccb->csio.sense_resid = rep->SenseCount - sense_len;
1673 bcopy(cm->cm_sense, &ccb->csio.sense_data, sense_len);
1674 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
1677 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
1678 ccb->ccb_h.status = CAM_AUTOSENSE_FAIL;
1680 if (rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
1681 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1683 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
1684 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
1685 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
1686 mps_printf(sc, "Command completed, unfreezing SIM queue\n");
1688 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
1689 ccb->ccb_h.status |= CAM_DEV_QFRZN;
1690 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
1692 mps_free_command(sc, cm);
1696 #if __FreeBSD_version >= 900026
1698 mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm)
1700 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
1701 MPI2_SMP_PASSTHROUGH_REQUEST *req;
1705 ccb = cm->cm_complete_data;
1708 * Currently there should be no way we can hit this case. It only
1709 * happens when we have a failure to allocate chain frames, and SMP
1710 * commands require two S/G elements only. That should be handled
1711 * in the standard request size.
1713 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1714 mps_printf(sc, "%s: cm_flags = %#x on SMP request!\n",
1715 __func__, cm->cm_flags);
1716 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1720 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
1722 mps_dprint(sc, MPS_INFO, "%s: NULL cm_reply!\n", __func__);
1723 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1727 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
1728 sasaddr = le32toh(req->SASAddress.Low);
1729 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
1731 if ((rpl->IOCStatus & MPI2_IOCSTATUS_MASK) != MPI2_IOCSTATUS_SUCCESS ||
1732 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
1733 mps_dprint(sc, MPS_INFO, "%s: IOCStatus %04x SASStatus %02x\n",
1734 __func__, rpl->IOCStatus, rpl->SASStatus);
1735 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
1739 mps_dprint(sc, MPS_INFO, "%s: SMP request to SAS address "
1740 "%#jx completed successfully\n", __func__,
1741 (uintmax_t)sasaddr);
1743 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
1744 ccb->ccb_h.status = CAM_REQ_CMP;
1746 ccb->ccb_h.status = CAM_SMP_STATUS_ERROR;
1750 * We sync in both directions because we had DMAs in the S/G list
1751 * in both directions.
1753 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
1754 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
1755 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
1756 mps_free_command(sc, cm);
1761 mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb, uint64_t sasaddr)
1763 struct mps_command *cm;
1764 uint8_t *request, *response;
1765 MPI2_SMP_PASSTHROUGH_REQUEST *req;
1766 struct mps_softc *sc;
1775 * XXX We don't yet support physical addresses here.
1777 if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) {
1778 mps_printf(sc, "%s: physical addresses not supported\n",
1780 ccb->ccb_h.status = CAM_REQ_INVALID;
1786 * If the user wants to send an S/G list, check to make sure they
1787 * have single buffers.
1789 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
1791 * The chip does not support more than one buffer for the
1792 * request or response.
1794 if ((ccb->smpio.smp_request_sglist_cnt > 1)
1795 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
1796 mps_printf(sc, "%s: multiple request or response "
1797 "buffer segments not supported for SMP\n",
1799 ccb->ccb_h.status = CAM_REQ_INVALID;
1805 * The CAM_SCATTER_VALID flag was originally implemented
1806 * for the XPT_SCSI_IO CCB, which only has one data pointer.
1807 * We have two. So, just take that flag to mean that we
1808 * might have S/G lists, and look at the S/G segment count
1809 * to figure out whether that is the case for each individual
1812 if (ccb->smpio.smp_request_sglist_cnt != 0) {
1813 bus_dma_segment_t *req_sg;
1815 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
1816 request = (uint8_t *)req_sg[0].ds_addr;
1818 request = ccb->smpio.smp_request;
1820 if (ccb->smpio.smp_response_sglist_cnt != 0) {
1821 bus_dma_segment_t *rsp_sg;
1823 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
1824 response = (uint8_t *)rsp_sg[0].ds_addr;
1826 response = ccb->smpio.smp_response;
1828 request = ccb->smpio.smp_request;
1829 response = ccb->smpio.smp_response;
1832 cm = mps_alloc_command(sc);
1834 mps_printf(sc, "%s: cannot allocate command\n", __func__);
1835 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1840 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
1841 bzero(req, sizeof(*req));
1842 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
1844 /* Allow the chip to use any route to this SAS address. */
1845 req->PhysicalPort = 0xff;
1847 req->RequestDataLength = ccb->smpio.smp_request_len;
1849 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
1851 mps_dprint(sc, MPS_INFO, "%s: sending SMP request to SAS "
1852 "address %#jx\n", __func__, (uintmax_t)sasaddr);
1854 mpi_init_sge(cm, req, &req->SGL);
1857 * Set up a uio to pass into mps_map_command(). This allows us to
1858 * do one map command, and one busdma call in there.
1860 cm->cm_uio.uio_iov = cm->cm_iovec;
1861 cm->cm_uio.uio_iovcnt = 2;
1862 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
1865 * The read/write flag isn't used by busdma, but set it just in
1866 * case. This isn't exactly accurate, either, since we're going in
1869 cm->cm_uio.uio_rw = UIO_WRITE;
1871 cm->cm_iovec[0].iov_base = request;
1872 cm->cm_iovec[0].iov_len = req->RequestDataLength;
1873 cm->cm_iovec[1].iov_base = response;
1874 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
1876 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
1877 cm->cm_iovec[1].iov_len;
1880 * Trigger a warning message in mps_data_cb() for the user if we
1881 * wind up exceeding two S/G segments. The chip expects one
1882 * segment for the request and another for the response.
1884 cm->cm_max_segs = 2;
1886 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
1887 cm->cm_complete = mpssas_smpio_complete;
1888 cm->cm_complete_data = ccb;
1891 * Tell the mapping code that we're using a uio, and that this is
1892 * an SMP passthrough request. There is a little special-case
1893 * logic there (in mps_data_cb()) to handle the bidirectional
1896 cm->cm_flags |= MPS_CM_FLAGS_USE_UIO | MPS_CM_FLAGS_SMP_PASS |
1897 MPS_CM_FLAGS_DATAIN | MPS_CM_FLAGS_DATAOUT;
1899 /* The chip data format is little endian. */
1900 req->SASAddress.High = htole32(sasaddr >> 32);
1901 req->SASAddress.Low = htole32(sasaddr);
1904 * XXX Note that we don't have a timeout/abort mechanism here.
1905 * From the manual, it looks like task management requests only
1906 * work for SCSI IO and SATA passthrough requests. We may need to
1907 * have a mechanism to retry requests in the event of a chip reset
1908 * at least. Hopefully the chip will insure that any errors short
1909 * of that are relayed back to the driver.
1911 error = mps_map_command(sc, cm);
1912 if ((error != 0) && (error != EINPROGRESS)) {
1913 mps_printf(sc, "%s: error %d returned from mps_map_command()\n",
1921 mps_free_command(sc, cm);
1922 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
1929 mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb)
1931 struct mps_softc *sc;
1932 struct mpssas_target *targ;
1933 uint64_t sasaddr = 0;
1938 * Make sure the target exists.
1940 targ = &sassc->targets[ccb->ccb_h.target_id];
1941 if (targ->handle == 0x0) {
1942 mps_printf(sc, "%s: target %d does not exist!\n", __func__,
1943 ccb->ccb_h.target_id);
1944 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
1950 * If this device has an embedded SMP target, we'll talk to it
1952 * figure out what the expander's address is.
1954 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
1955 sasaddr = targ->sasaddr;
1958 * If we don't have a SAS address for the expander yet, try
1959 * grabbing it from the page 0x83 information cached in the
1960 * transport layer for this target. LSI expanders report the
1961 * expander SAS address as the port-associated SAS address in
1962 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
1965 * XXX KDM disable this for now, but leave it commented out so that
1966 * it is obvious that this is another possible way to get the SAS
1969 * The parent handle method below is a little more reliable, and
1970 * the other benefit is that it works for devices other than SES
1971 * devices. So you can send a SMP request to a da(4) device and it
1972 * will get routed to the expander that device is attached to.
1973 * (Assuming the da(4) device doesn't contain an SMP target...)
1977 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
1981 * If we still don't have a SAS address for the expander, look for
1982 * the parent device of this device, which is probably the expander.
1985 struct mpssas_target *parent_target;
1987 if (targ->parent_handle == 0x0) {
1988 mps_printf(sc, "%s: handle %d does not have a valid "
1989 "parent handle!\n", __func__, targ->handle);
1990 ccb->ccb_h.status = CAM_REQ_INVALID;
1993 parent_target = mpssas_find_target(sassc, 0,
1994 targ->parent_handle);
1996 if (parent_target == NULL) {
1997 mps_printf(sc, "%s: handle %d does not have a valid "
1998 "parent target!\n", __func__, targ->handle);
1999 ccb->ccb_h.status = CAM_REQ_INVALID;
2003 if ((parent_target->devinfo &
2004 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
2005 mps_printf(sc, "%s: handle %d parent %d does not "
2006 "have an SMP target!\n", __func__,
2007 targ->handle, parent_target->handle);
2008 ccb->ccb_h.status = CAM_REQ_INVALID;
2013 sasaddr = parent_target->sasaddr;
2017 mps_printf(sc, "%s: unable to find SAS address for handle %d\n",
2018 __func__, targ->handle);
2019 ccb->ccb_h.status = CAM_REQ_INVALID;
2022 mpssas_send_smpcmd(sassc, ccb, sasaddr);
2031 #endif /* __FreeBSD_version >= 900026 */
2034 mpssas_action_resetdev(struct mpssas_softc *sassc, union ccb *ccb)
2036 struct mps_softc *sc;
2037 struct mps_command *cm;
2038 struct mpssas_target *targ;
2041 targ = &sassc->targets[ccb->ccb_h.target_id];
2043 if (targ->flags & MPSSAS_TARGET_INRECOVERY) {
2044 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2049 cm = mps_alloc_command(sc);
2051 mps_printf(sc, "%s: cannot alloc command\n", __func__);
2052 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2058 cm->cm_complete = mpssas_resetdev_complete;
2059 cm->cm_complete_data = ccb;
2061 mpssas_resetdev(sassc, cm);
2065 mpssas_resetdev(struct mpssas_softc *sassc, struct mps_command *cm)
2067 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2068 struct mps_softc *sc;
2070 mps_dprint(sassc->sc, MPS_TRACE, "%s\n", __func__);
2074 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
2075 req->DevHandle = cm->cm_targ->handle;
2076 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2077 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2079 /* SAS Hard Link Reset / SATA Link Reset */
2080 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
2083 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2085 mpssas_issue_tm_request(sc, cm);
2089 mpssas_resetdev_complete(struct mps_softc *sc, struct mps_command *cm)
2091 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
2094 mps_dprint(sc, MPS_TRACE, "%s\n", __func__);
2096 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)cm->cm_reply;
2097 ccb = cm->cm_complete_data;
2099 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
2100 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2102 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
2104 mps_printf(sc, "%s: cm_flags = %#x for reset of handle %#04x! "
2105 "This should not happen!\n", __func__, cm->cm_flags,
2108 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2112 printf("resetdev complete IOCStatus= 0x%x ResponseCode= 0x%x\n",
2113 resp->IOCStatus, resp->ResponseCode);
2115 if (resp->ResponseCode == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE)
2116 ccb->ccb_h.status = CAM_REQ_CMP;
2118 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2121 mpssas_complete_tm_request(sc, cm, /*free_cm*/ 1);
2127 mpssas_poll(struct cam_sim *sim)
2129 struct mpssas_softc *sassc;
2131 sassc = cam_sim_softc(sim);
2132 mps_intr_locked(sassc->sc);
2136 mpssas_freeze_device(struct mpssas_softc *sassc, struct mpssas_target *targ)
2141 mpssas_unfreeze_device(struct mpssas_softc *sassc, struct mpssas_target *targ)