2 * Copyright (c) 2009 Yahoo! Inc.
3 * Copyright (c) 2011-2014 LSI Corp.
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
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 /* Communications core for LSI MPT2 */
33 /* TODO Move headers to mprvar */
34 #include <sys/types.h>
35 #include <sys/param.h>
36 #include <sys/systm.h>
37 #include <sys/kernel.h>
38 #include <sys/selinfo.h>
39 #include <sys/module.h>
43 #include <sys/malloc.h>
45 #include <sys/sysctl.h>
46 #include <sys/endian.h>
47 #include <sys/queue.h>
48 #include <sys/kthread.h>
49 #include <sys/taskqueue.h>
52 #include <machine/bus.h>
53 #include <machine/resource.h>
56 #include <machine/stdarg.h>
59 #include <cam/cam_ccb.h>
60 #include <cam/cam_debug.h>
61 #include <cam/cam_sim.h>
62 #include <cam/cam_xpt_sim.h>
63 #include <cam/cam_xpt_periph.h>
64 #include <cam/cam_periph.h>
65 #include <cam/scsi/scsi_all.h>
66 #include <cam/scsi/scsi_message.h>
67 #if __FreeBSD_version >= 900026
68 #include <cam/scsi/smp_all.h>
71 #include <dev/mpr/mpi/mpi2_type.h>
72 #include <dev/mpr/mpi/mpi2.h>
73 #include <dev/mpr/mpi/mpi2_ioc.h>
74 #include <dev/mpr/mpi/mpi2_sas.h>
75 #include <dev/mpr/mpi/mpi2_cnfg.h>
76 #include <dev/mpr/mpi/mpi2_init.h>
77 #include <dev/mpr/mpi/mpi2_tool.h>
78 #include <dev/mpr/mpr_ioctl.h>
79 #include <dev/mpr/mprvar.h>
80 #include <dev/mpr/mpr_table.h>
81 #include <dev/mpr/mpr_sas.h>
83 #define MPRSAS_DISCOVERY_TIMEOUT 20
84 #define MPRSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */
87 * static array to check SCSI OpCode for EEDP protection bits
89 #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
90 #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
91 #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
92 static uint8_t op_code_prot[256] = {
93 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
94 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
95 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
96 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
97 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
98 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
99 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
100 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
101 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
102 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
103 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
104 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
105 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
106 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
107 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
108 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
111 MALLOC_DEFINE(M_MPRSAS, "MPRSAS", "MPR SAS memory");
113 static void mprsas_remove_device(struct mpr_softc *, struct mpr_command *);
114 static void mprsas_remove_complete(struct mpr_softc *, struct mpr_command *);
115 static void mprsas_action(struct cam_sim *sim, union ccb *ccb);
116 static void mprsas_poll(struct cam_sim *sim);
117 static void mprsas_scsiio_timeout(void *data);
118 static void mprsas_abort_complete(struct mpr_softc *sc,
119 struct mpr_command *cm);
120 static void mprsas_action_scsiio(struct mprsas_softc *, union ccb *);
121 static void mprsas_scsiio_complete(struct mpr_softc *, struct mpr_command *);
122 static void mprsas_action_resetdev(struct mprsas_softc *, union ccb *);
123 static void mprsas_resetdev_complete(struct mpr_softc *,
124 struct mpr_command *);
125 static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm,
126 struct mpr_command *cm);
127 static int mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm,
129 static void mprsas_async(void *callback_arg, uint32_t code,
130 struct cam_path *path, void *arg);
131 static void mprsas_prepare_ssu(struct mpr_softc *sc, struct cam_path *path,
132 struct ccb_getdev *cgd);
133 #if (__FreeBSD_version < 901503) || \
134 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
135 static void mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path,
136 struct ccb_getdev *cgd);
137 static void mprsas_read_cap_done(struct cam_periph *periph,
138 union ccb *done_ccb);
140 static int mprsas_send_portenable(struct mpr_softc *sc);
141 static void mprsas_portenable_complete(struct mpr_softc *sc,
142 struct mpr_command *cm);
144 #if __FreeBSD_version >= 900026
146 mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm);
147 static void mprsas_send_smpcmd(struct mprsas_softc *sassc,
148 union ccb *ccb, uint64_t sasaddr);
150 mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb);
153 struct mprsas_target *
154 mprsas_find_target_by_handle(struct mprsas_softc *sassc, int start,
157 struct mprsas_target *target;
160 for (i = start; i < sassc->maxtargets; i++) {
161 target = &sassc->targets[i];
162 if (target->handle == handle)
169 /* we need to freeze the simq during attach and diag reset, to avoid failing
170 * commands before device handles have been found by discovery. Since
171 * discovery involves reading config pages and possibly sending commands,
172 * discovery actions may continue even after we receive the end of discovery
173 * event, so refcount discovery actions instead of assuming we can unfreeze
174 * the simq when we get the event.
177 mprsas_startup_increment(struct mprsas_softc *sassc)
179 MPR_FUNCTRACE(sassc->sc);
181 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) {
182 if (sassc->startup_refcount++ == 0) {
183 /* just starting, freeze the simq */
184 mpr_dprint(sassc->sc, MPR_INIT,
185 "%s freezing simq\n", __func__);
186 #if (__FreeBSD_version >= 1000039) || \
187 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
190 xpt_freeze_simq(sassc->sim, 1);
192 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__,
193 sassc->startup_refcount);
198 mprsas_release_simq_reinit(struct mprsas_softc *sassc)
200 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
201 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
202 xpt_release_simq(sassc->sim, 1);
203 mpr_dprint(sassc->sc, MPR_INFO, "Unfreezing SIM queue\n");
208 mprsas_startup_decrement(struct mprsas_softc *sassc)
210 MPR_FUNCTRACE(sassc->sc);
212 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) {
213 if (--sassc->startup_refcount == 0) {
214 /* finished all discovery-related actions, release
215 * the simq and rescan for the latest topology.
217 mpr_dprint(sassc->sc, MPR_INIT,
218 "%s releasing simq\n", __func__);
219 sassc->flags &= ~MPRSAS_IN_STARTUP;
220 xpt_release_simq(sassc->sim, 1);
221 #if (__FreeBSD_version >= 1000039) || \
222 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
225 mprsas_rescan_target(sassc->sc, NULL);
228 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__,
229 sassc->startup_refcount);
233 /* LSI's firmware requires us to stop sending commands when we're doing task
234 * management, so refcount the TMs and keep the simq frozen when any are in
238 mprsas_alloc_tm(struct mpr_softc *sc)
240 struct mpr_command *tm;
243 tm = mpr_alloc_high_priority_command(sc);
245 if (sc->sassc->tm_count++ == 0) {
246 mpr_dprint(sc, MPR_RECOVERY,
247 "%s freezing simq\n", __func__);
248 xpt_freeze_simq(sc->sassc->sim, 1);
250 mpr_dprint(sc, MPR_RECOVERY, "%s tm_count %u\n", __func__,
251 sc->sassc->tm_count);
257 mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm)
259 mpr_dprint(sc, MPR_TRACE, "%s", __func__);
263 /* if there are no TMs in use, we can release the simq. We use our
264 * own refcount so that it's easier for a diag reset to cleanup and
267 if (--sc->sassc->tm_count == 0) {
268 mpr_dprint(sc, MPR_RECOVERY, "%s releasing simq\n", __func__);
269 xpt_release_simq(sc->sassc->sim, 1);
271 mpr_dprint(sc, MPR_RECOVERY, "%s tm_count %u\n", __func__,
272 sc->sassc->tm_count);
274 mpr_free_high_priority_command(sc, tm);
278 mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ)
280 struct mprsas_softc *sassc = sc->sassc;
282 target_id_t targetid;
286 pathid = cam_sim_path(sassc->sim);
288 targetid = CAM_TARGET_WILDCARD;
290 targetid = targ - sassc->targets;
293 * Allocate a CCB and schedule a rescan.
295 ccb = xpt_alloc_ccb_nowait();
297 mpr_dprint(sc, MPR_ERROR, "unable to alloc CCB for rescan\n");
301 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid,
302 targetid, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
303 mpr_dprint(sc, MPR_ERROR, "unable to create path for rescan\n");
308 if (targetid == CAM_TARGET_WILDCARD)
309 ccb->ccb_h.func_code = XPT_SCAN_BUS;
311 ccb->ccb_h.func_code = XPT_SCAN_TGT;
313 mpr_dprint(sc, MPR_TRACE, "%s targetid %u\n", __func__, targetid);
318 mprsas_log_command(struct mpr_command *cm, u_int level, const char *fmt, ...)
328 /* No need to be in here if debugging isn't enabled */
329 if ((cm->cm_sc->mpr_debug & level) == 0)
332 sbuf_new(&sb, str, sizeof(str), 0);
336 if (cm->cm_ccb != NULL) {
337 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str,
339 sbuf_cat(&sb, path_str);
340 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) {
341 scsi_command_string(&cm->cm_ccb->csio, &sb);
342 sbuf_printf(&sb, "length %d ",
343 cm->cm_ccb->csio.dxfer_len);
346 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ",
347 cam_sim_name(cm->cm_sc->sassc->sim),
348 cam_sim_unit(cm->cm_sc->sassc->sim),
349 cam_sim_bus(cm->cm_sc->sassc->sim),
350 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF,
354 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID);
355 sbuf_vprintf(&sb, fmt, ap);
357 mpr_dprint_field(cm->cm_sc, level, "%s", sbuf_data(&sb));
363 mprsas_remove_volume(struct mpr_softc *sc, struct mpr_command *tm)
365 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
366 struct mprsas_target *targ;
371 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
372 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
376 /* XXX retry the remove after the diag reset completes? */
377 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device "
378 "0x%04x\n", __func__, handle);
379 mprsas_free_tm(sc, tm);
383 if (reply->IOCStatus != MPI2_IOCSTATUS_SUCCESS) {
384 mpr_dprint(sc, MPR_FAULT, "IOCStatus = 0x%x while resetting "
385 "device 0x%x\n", reply->IOCStatus, handle);
386 mprsas_free_tm(sc, tm);
390 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n",
391 reply->TerminationCount);
392 mpr_free_reply(sc, tm->cm_reply_data);
393 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
395 mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n",
399 * Don't clear target if remove fails because things will get confusing.
400 * Leave the devname and sasaddr intact so that we know to avoid reusing
401 * this target id if possible, and so we can assign the same target id
402 * to this device if it comes back in the future.
404 if (reply->IOCStatus == MPI2_IOCSTATUS_SUCCESS) {
407 targ->encl_handle = 0x0;
408 targ->encl_level_valid = 0x0;
409 targ->encl_level = 0x0;
410 targ->connector_name[0] = ' ';
411 targ->connector_name[1] = ' ';
412 targ->connector_name[2] = ' ';
413 targ->connector_name[3] = ' ';
414 targ->encl_slot = 0x0;
415 targ->exp_dev_handle = 0x0;
417 targ->linkrate = 0x0;
420 targ->scsi_req_desc_type = 0;
423 mprsas_free_tm(sc, tm);
428 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal.
429 * Otherwise Volume Delete is same as Bare Drive Removal.
432 mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle)
434 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
435 struct mpr_softc *sc;
436 struct mpr_command *cm;
437 struct mprsas_target *targ = NULL;
439 MPR_FUNCTRACE(sassc->sc);
442 targ = mprsas_find_target_by_handle(sassc, 0, handle);
444 /* FIXME: what is the action? */
445 /* We don't know about this device? */
446 mpr_dprint(sc, MPR_ERROR,
447 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle);
451 targ->flags |= MPRSAS_TARGET_INREMOVAL;
453 cm = mprsas_alloc_tm(sc);
455 mpr_dprint(sc, MPR_ERROR,
456 "%s: command alloc failure\n", __func__);
460 mprsas_rescan_target(sc, targ);
462 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
463 req->DevHandle = targ->handle;
464 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
465 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
467 /* SAS Hard Link Reset / SATA Link Reset */
468 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
472 cm->cm_desc.HighPriority.RequestFlags =
473 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
474 cm->cm_complete = mprsas_remove_volume;
475 cm->cm_complete_data = (void *)(uintptr_t)handle;
476 mpr_map_command(sc, cm);
480 * The MPT2 firmware performs debounce on the link to avoid transient link
481 * errors and false removals. When it does decide that link has been lost
482 * and a device needs to go away, it expects that the host will perform a
483 * target reset and then an op remove. The reset has the side-effect of
484 * aborting any outstanding requests for the device, which is required for
485 * the op-remove to succeed. It's not clear if the host should check for
486 * the device coming back alive after the reset.
489 mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle)
491 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
492 struct mpr_softc *sc;
493 struct mpr_command *cm;
494 struct mprsas_target *targ = NULL;
496 MPR_FUNCTRACE(sassc->sc);
500 targ = mprsas_find_target_by_handle(sassc, 0, handle);
502 /* FIXME: what is the action? */
503 /* We don't know about this device? */
504 mpr_dprint(sc, MPR_ERROR, "%s : invalid handle 0x%x \n",
509 targ->flags |= MPRSAS_TARGET_INREMOVAL;
511 cm = mprsas_alloc_tm(sc);
513 mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n",
518 mprsas_rescan_target(sc, targ);
520 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
521 memset(req, 0, sizeof(*req));
522 req->DevHandle = htole16(targ->handle);
523 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
524 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
526 /* SAS Hard Link Reset / SATA Link Reset */
527 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
531 cm->cm_desc.HighPriority.RequestFlags =
532 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
533 cm->cm_complete = mprsas_remove_device;
534 cm->cm_complete_data = (void *)(uintptr_t)handle;
535 mpr_map_command(sc, cm);
539 mprsas_remove_device(struct mpr_softc *sc, struct mpr_command *tm)
541 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
542 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req;
543 struct mprsas_target *targ;
544 struct mpr_command *next_cm;
549 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
550 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
554 * Currently there should be no way we can hit this case. It only
555 * happens when we have a failure to allocate chain frames, and
556 * task management commands don't have S/G lists.
558 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
559 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for remove of "
560 "handle %#04x! This should not happen!\n", __func__,
561 tm->cm_flags, handle);
562 mprsas_free_tm(sc, tm);
567 /* XXX retry the remove after the diag reset completes? */
568 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device "
569 "0x%04x\n", __func__, handle);
570 mprsas_free_tm(sc, tm);
574 if (le16toh(reply->IOCStatus) != MPI2_IOCSTATUS_SUCCESS) {
575 mpr_dprint(sc, MPR_FAULT, "IOCStatus = 0x%x while resetting "
576 "device 0x%x\n", le16toh(reply->IOCStatus), handle);
577 mprsas_free_tm(sc, tm);
581 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n",
582 le32toh(reply->TerminationCount));
583 mpr_free_reply(sc, tm->cm_reply_data);
584 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
586 /* Reuse the existing command */
587 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req;
588 memset(req, 0, sizeof(*req));
589 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
590 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
591 req->DevHandle = htole16(handle);
593 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
594 tm->cm_complete = mprsas_remove_complete;
595 tm->cm_complete_data = (void *)(uintptr_t)handle;
597 mpr_map_command(sc, tm);
599 mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n",
601 if (targ->encl_level_valid) {
602 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
603 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
604 targ->connector_name);
606 TAILQ_FOREACH_SAFE(tm, &targ->commands, cm_link, next_cm) {
609 mpr_dprint(sc, MPR_XINFO, "Completing missed command %p\n", tm);
610 ccb = tm->cm_complete_data;
611 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
612 mprsas_scsiio_complete(sc, tm);
617 mprsas_remove_complete(struct mpr_softc *sc, struct mpr_command *tm)
619 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply;
621 struct mprsas_target *targ;
622 struct mprsas_lun *lun;
626 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply;
627 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
630 * Currently there should be no way we can hit this case. It only
631 * happens when we have a failure to allocate chain frames, and
632 * task management commands don't have S/G lists.
634 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
635 mpr_dprint(sc, MPR_XINFO, "%s: cm_flags = %#x for remove of "
636 "handle %#04x! This should not happen!\n", __func__,
637 tm->cm_flags, handle);
638 mprsas_free_tm(sc, tm);
643 /* most likely a chip reset */
644 mpr_dprint(sc, MPR_FAULT, "%s NULL reply removing device "
645 "0x%04x\n", __func__, handle);
646 mprsas_free_tm(sc, tm);
650 mpr_dprint(sc, MPR_XINFO, "%s on handle 0x%04x, IOCStatus= 0x%x\n",
651 __func__, handle, le16toh(reply->IOCStatus));
654 * Don't clear target if remove fails because things will get confusing.
655 * Leave the devname and sasaddr intact so that we know to avoid reusing
656 * this target id if possible, and so we can assign the same target id
657 * to this device if it comes back in the future.
659 if (le16toh(reply->IOCStatus) == MPI2_IOCSTATUS_SUCCESS) {
662 targ->encl_handle = 0x0;
663 targ->encl_level_valid = 0x0;
664 targ->encl_level = 0x0;
665 targ->connector_name[0] = ' ';
666 targ->connector_name[1] = ' ';
667 targ->connector_name[2] = ' ';
668 targ->connector_name[3] = ' ';
669 targ->encl_slot = 0x0;
670 targ->exp_dev_handle = 0x0;
672 targ->linkrate = 0x0;
675 targ->scsi_req_desc_type = 0;
677 while (!SLIST_EMPTY(&targ->luns)) {
678 lun = SLIST_FIRST(&targ->luns);
679 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
684 mprsas_free_tm(sc, tm);
688 mprsas_register_events(struct mpr_softc *sc)
693 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
694 setbit(events, MPI2_EVENT_SAS_DISCOVERY);
695 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
696 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE);
697 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW);
698 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
699 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
700 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
701 setbit(events, MPI2_EVENT_IR_VOLUME);
702 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK);
703 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS);
704 setbit(events, MPI2_EVENT_TEMP_THRESHOLD);
706 mpr_register_events(sc, events, mprsas_evt_handler, NULL,
707 &sc->sassc->mprsas_eh);
713 mpr_attach_sas(struct mpr_softc *sc)
715 struct mprsas_softc *sassc;
721 sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO);
723 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n",
729 * XXX MaxTargets could change during a reinit. since we don't
730 * resize the targets[] array during such an event, cache the value
731 * of MaxTargets here so that we don't get into trouble later. This
732 * should move into the reinit logic.
734 sassc->maxtargets = sc->facts->MaxTargets;
735 sassc->targets = malloc(sizeof(struct mprsas_target) *
736 sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO);
737 if (!sassc->targets) {
738 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n",
746 if ((sassc->devq = cam_simq_alloc(sc->num_reqs)) == NULL) {
747 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIMQ\n");
752 unit = device_get_unit(sc->mpr_dev);
753 sassc->sim = cam_sim_alloc(mprsas_action, mprsas_poll, "mpr", sassc,
754 unit, &sc->mpr_mtx, sc->num_reqs, sc->num_reqs, sassc->devq);
755 if (sassc->sim == NULL) {
756 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIM\n");
761 TAILQ_INIT(&sassc->ev_queue);
763 /* Initialize taskqueue for Event Handling */
764 TASK_INIT(&sassc->ev_task, 0, mprsas_firmware_event_work, sc);
765 sassc->ev_tq = taskqueue_create("mpr_taskq", M_NOWAIT | M_ZERO,
766 taskqueue_thread_enqueue, &sassc->ev_tq);
767 taskqueue_start_threads(&sassc->ev_tq, 1, PRIBIO, "%s taskq",
768 device_get_nameunit(sc->mpr_dev));
773 * XXX There should be a bus for every port on the adapter, but since
774 * we're just going to fake the topology for now, we'll pretend that
775 * everything is just a target on a single bus.
777 if ((error = xpt_bus_register(sassc->sim, sc->mpr_dev, 0)) != 0) {
778 mpr_dprint(sc, MPR_ERROR, "Error %d registering SCSI bus\n",
785 * Assume that discovery events will start right away. Freezing
787 * Hold off boot until discovery is complete.
789 sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY;
790 sc->sassc->startup_refcount = 0;
791 mprsas_startup_increment(sassc);
793 callout_init(&sassc->discovery_callout, 1 /*mprafe*/);
798 * Register for async events so we can determine the EEDP
799 * capabilities of devices.
801 status = xpt_create_path(&sassc->path, /*periph*/NULL,
802 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
804 if (status != CAM_REQ_CMP) {
805 mpr_printf(sc, "Error %#x creating sim path\n", status);
810 #if (__FreeBSD_version >= 1000006) || \
811 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
812 event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE;
814 event = AC_FOUND_DEVICE;
818 * Prior to the CAM locking improvements, we can't call
819 * xpt_register_async() with a particular path specified.
821 * If a path isn't specified, xpt_register_async() will
822 * generate a wildcard path and acquire the XPT lock while
823 * it calls xpt_action() to execute the XPT_SASYNC_CB CCB.
824 * It will then drop the XPT lock once that is done.
826 * If a path is specified for xpt_register_async(), it will
827 * not acquire and drop the XPT lock around the call to
828 * xpt_action(). xpt_action() asserts that the caller
829 * holds the SIM lock, so the SIM lock has to be held when
830 * calling xpt_register_async() when the path is specified.
832 * But xpt_register_async calls xpt_for_all_devices(),
833 * which calls xptbustraverse(), which will acquire each
834 * SIM lock. When it traverses our particular bus, it will
835 * necessarily acquire the SIM lock, which will lead to a
836 * recursive lock acquisition.
838 * The CAM locking changes fix this problem by acquiring
839 * the XPT topology lock around bus traversal in
840 * xptbustraverse(), so the caller can hold the SIM lock
841 * and it does not cause a recursive lock acquisition.
843 * These __FreeBSD_version values are approximate, especially
844 * for stable/10, which is two months later than the actual
848 #if (__FreeBSD_version < 1000703) || \
849 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
851 status = xpt_register_async(event, mprsas_async, sc,
855 status = xpt_register_async(event, mprsas_async, sc,
859 if (status != CAM_REQ_CMP) {
860 mpr_dprint(sc, MPR_ERROR,
861 "Error %#x registering async handler for "
862 "AC_ADVINFO_CHANGED events\n", status);
863 xpt_free_path(sassc->path);
867 if (status != CAM_REQ_CMP) {
869 * EEDP use is the exception, not the rule.
870 * Warn the user, but do not fail to attach.
872 mpr_printf(sc, "EEDP capabilities disabled.\n");
877 mprsas_register_events(sc);
885 mpr_detach_sas(struct mpr_softc *sc)
887 struct mprsas_softc *sassc;
888 struct mprsas_lun *lun, *lun_tmp;
889 struct mprsas_target *targ;
894 if (sc->sassc == NULL)
898 mpr_deregister_events(sc, sassc->mprsas_eh);
901 * Drain and free the event handling taskqueue with the lock
902 * unheld so that any parallel processing tasks drain properly
903 * without deadlocking.
905 if (sassc->ev_tq != NULL)
906 taskqueue_free(sassc->ev_tq);
908 /* Make sure CAM doesn't wedge if we had to bail out early. */
911 /* Deregister our async handler */
912 if (sassc->path != NULL) {
913 xpt_register_async(0, mprsas_async, sc, sassc->path);
914 xpt_free_path(sassc->path);
918 if (sassc->flags & MPRSAS_IN_STARTUP)
919 xpt_release_simq(sassc->sim, 1);
921 if (sassc->sim != NULL) {
922 xpt_bus_deregister(cam_sim_path(sassc->sim));
923 cam_sim_free(sassc->sim, FALSE);
926 sassc->flags |= MPRSAS_SHUTDOWN;
929 if (sassc->devq != NULL)
930 cam_simq_free(sassc->devq);
932 for (i = 0; i < sassc->maxtargets; i++) {
933 targ = &sassc->targets[i];
934 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
938 free(sassc->targets, M_MPR);
946 mprsas_discovery_end(struct mprsas_softc *sassc)
948 struct mpr_softc *sc = sassc->sc;
952 if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING)
953 callout_stop(&sassc->discovery_callout);
958 mprsas_action(struct cam_sim *sim, union ccb *ccb)
960 struct mprsas_softc *sassc;
962 sassc = cam_sim_softc(sim);
964 MPR_FUNCTRACE(sassc->sc);
965 mpr_dprint(sassc->sc, MPR_TRACE, "%s func 0x%x\n", __func__,
966 ccb->ccb_h.func_code);
967 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
969 switch (ccb->ccb_h.func_code) {
972 struct ccb_pathinq *cpi = &ccb->cpi;
974 cpi->version_num = 1;
975 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
976 cpi->target_sprt = 0;
977 #if (__FreeBSD_version >= 1000039) || \
978 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
979 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN;
981 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
983 cpi->hba_eng_cnt = 0;
984 cpi->max_target = sassc->maxtargets - 1;
986 cpi->initiator_id = sassc->maxtargets - 1;
987 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
988 strncpy(cpi->hba_vid, "LSILogic", HBA_IDLEN);
989 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
990 cpi->unit_number = cam_sim_unit(sim);
991 cpi->bus_id = cam_sim_bus(sim);
993 * XXXSLM-I think this needs to change based on config page or
994 * something instead of hardcoded to 150000.
996 cpi->base_transfer_speed = 150000;
997 cpi->transport = XPORT_SAS;
998 cpi->transport_version = 0;
999 cpi->protocol = PROTO_SCSI;
1000 cpi->protocol_version = SCSI_REV_SPC;
1001 #if __FreeBSD_version >= 800001
1003 * XXXSLM-probably need to base this number on max SGL's and
1006 cpi->maxio = 256 * 1024;
1008 cpi->ccb_h.status = CAM_REQ_CMP;
1011 case XPT_GET_TRAN_SETTINGS:
1013 struct ccb_trans_settings *cts;
1014 struct ccb_trans_settings_sas *sas;
1015 struct ccb_trans_settings_scsi *scsi;
1016 struct mprsas_target *targ;
1019 sas = &cts->xport_specific.sas;
1020 scsi = &cts->proto_specific.scsi;
1022 KASSERT(cts->ccb_h.target_id < sassc->maxtargets,
1023 ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n",
1024 cts->ccb_h.target_id));
1025 targ = &sassc->targets[cts->ccb_h.target_id];
1026 if (targ->handle == 0x0) {
1027 cts->ccb_h.status = CAM_DEV_NOT_THERE;
1031 cts->protocol_version = SCSI_REV_SPC2;
1032 cts->transport = XPORT_SAS;
1033 cts->transport_version = 0;
1035 sas->valid = CTS_SAS_VALID_SPEED;
1036 switch (targ->linkrate) {
1038 sas->bitrate = 150000;
1041 sas->bitrate = 300000;
1044 sas->bitrate = 600000;
1050 cts->protocol = PROTO_SCSI;
1051 scsi->valid = CTS_SCSI_VALID_TQ;
1052 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1054 cts->ccb_h.status = CAM_REQ_CMP;
1057 case XPT_CALC_GEOMETRY:
1058 cam_calc_geometry(&ccb->ccg, /*extended*/1);
1059 ccb->ccb_h.status = CAM_REQ_CMP;
1062 mpr_dprint(sassc->sc, MPR_XINFO,
1063 "mprsas_action XPT_RESET_DEV\n");
1064 mprsas_action_resetdev(sassc, ccb);
1069 mpr_dprint(sassc->sc, MPR_XINFO,
1070 "mprsas_action faking success for abort or reset\n");
1071 ccb->ccb_h.status = CAM_REQ_CMP;
1074 mprsas_action_scsiio(sassc, ccb);
1076 #if __FreeBSD_version >= 900026
1078 mprsas_action_smpio(sassc, ccb);
1082 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1090 mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code,
1091 target_id_t target_id, lun_id_t lun_id)
1093 path_id_t path_id = cam_sim_path(sc->sassc->sim);
1094 struct cam_path *path;
1096 mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__,
1097 ac_code, target_id, (uintmax_t)lun_id);
1099 if (xpt_create_path(&path, NULL,
1100 path_id, target_id, lun_id) != CAM_REQ_CMP) {
1101 mpr_dprint(sc, MPR_ERROR, "unable to create path for reset "
1106 xpt_async(ac_code, path, NULL);
1107 xpt_free_path(path);
1111 mprsas_complete_all_commands(struct mpr_softc *sc)
1113 struct mpr_command *cm;
1118 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1120 /* complete all commands with a NULL reply */
1121 for (i = 1; i < sc->num_reqs; i++) {
1122 cm = &sc->commands[i];
1123 cm->cm_reply = NULL;
1126 if (cm->cm_flags & MPR_CM_FLAGS_POLLED)
1127 cm->cm_flags |= MPR_CM_FLAGS_COMPLETE;
1129 if (cm->cm_complete != NULL) {
1130 mprsas_log_command(cm, MPR_RECOVERY,
1131 "completing cm %p state %x ccb %p for diag reset\n",
1132 cm, cm->cm_state, cm->cm_ccb);
1133 cm->cm_complete(sc, cm);
1137 if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) {
1138 mprsas_log_command(cm, MPR_RECOVERY,
1139 "waking up cm %p state %x ccb %p for diag reset\n",
1140 cm, cm->cm_state, cm->cm_ccb);
1145 if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) {
1146 /* this should never happen, but if it does, log */
1147 mprsas_log_command(cm, MPR_RECOVERY,
1148 "cm %p state %x flags 0x%x ccb %p during diag "
1149 "reset\n", cm, cm->cm_state, cm->cm_flags,
1156 mprsas_handle_reinit(struct mpr_softc *sc)
1160 /* Go back into startup mode and freeze the simq, so that CAM
1161 * doesn't send any commands until after we've rediscovered all
1162 * targets and found the proper device handles for them.
1164 * After the reset, portenable will trigger discovery, and after all
1165 * discovery-related activities have finished, the simq will be
1168 mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__);
1169 sc->sassc->flags |= MPRSAS_IN_STARTUP;
1170 sc->sassc->flags |= MPRSAS_IN_DISCOVERY;
1171 mprsas_startup_increment(sc->sassc);
1173 /* notify CAM of a bus reset */
1174 mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD,
1177 /* complete and cleanup after all outstanding commands */
1178 mprsas_complete_all_commands(sc);
1180 mpr_dprint(sc, MPR_INIT, "%s startup %u tm %u after command "
1181 "completion\n", __func__, sc->sassc->startup_refcount,
1182 sc->sassc->tm_count);
1184 /* zero all the target handles, since they may change after the
1185 * reset, and we have to rediscover all the targets and use the new
1188 for (i = 0; i < sc->sassc->maxtargets; i++) {
1189 if (sc->sassc->targets[i].outstanding != 0)
1190 mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n",
1191 i, sc->sassc->targets[i].outstanding);
1192 sc->sassc->targets[i].handle = 0x0;
1193 sc->sassc->targets[i].exp_dev_handle = 0x0;
1194 sc->sassc->targets[i].outstanding = 0;
1195 sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET;
1199 mprsas_tm_timeout(void *data)
1201 struct mpr_command *tm = data;
1202 struct mpr_softc *sc = tm->cm_sc;
1204 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1206 mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY,
1207 "task mgmt %p timed out\n", tm);
1212 mprsas_logical_unit_reset_complete(struct mpr_softc *sc,
1213 struct mpr_command *tm)
1215 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1216 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1217 unsigned int cm_count = 0;
1218 struct mpr_command *cm;
1219 struct mprsas_target *targ;
1221 callout_stop(&tm->cm_callout);
1223 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1224 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1228 * Currently there should be no way we can hit this case. It only
1229 * happens when we have a failure to allocate chain frames, and
1230 * task management commands don't have S/G lists.
1232 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1233 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for LUN reset! "
1234 "This should not happen!\n", __func__, tm->cm_flags);
1235 mprsas_free_tm(sc, tm);
1239 if (reply == NULL) {
1240 mprsas_log_command(tm, MPR_RECOVERY,
1241 "NULL reset reply for tm %p\n", tm);
1242 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1243 /* this completion was due to a reset, just cleanup */
1244 targ->flags &= ~MPRSAS_TARGET_INRESET;
1246 mprsas_free_tm(sc, tm);
1249 /* we should have gotten a reply. */
1255 mprsas_log_command(tm, MPR_RECOVERY,
1256 "logical unit reset status 0x%x code 0x%x count %u\n",
1257 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1258 le32toh(reply->TerminationCount));
1260 /* See if there are any outstanding commands for this LUN.
1261 * This could be made more efficient by using a per-LU data
1262 * structure of some sort.
1264 TAILQ_FOREACH(cm, &targ->commands, cm_link) {
1265 if (cm->cm_lun == tm->cm_lun)
1269 if (cm_count == 0) {
1270 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1271 "logical unit %u finished recovery after reset\n",
1274 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1277 /* we've finished recovery for this logical unit. check and
1278 * see if some other logical unit has a timedout command
1279 * that needs to be processed.
1281 cm = TAILQ_FIRST(&targ->timedout_commands);
1283 mprsas_send_abort(sc, tm, cm);
1287 mprsas_free_tm(sc, tm);
1291 /* if we still have commands for this LUN, the reset
1292 * effectively failed, regardless of the status reported.
1293 * Escalate to a target reset.
1295 mprsas_log_command(tm, MPR_RECOVERY,
1296 "logical unit reset complete for tm %p, but still have %u "
1297 "command(s)\n", tm, cm_count);
1298 mprsas_send_reset(sc, tm,
1299 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1304 mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm)
1306 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1307 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1308 struct mprsas_target *targ;
1310 callout_stop(&tm->cm_callout);
1312 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1313 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1317 * Currently there should be no way we can hit this case. It only
1318 * happens when we have a failure to allocate chain frames, and
1319 * task management commands don't have S/G lists.
1321 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1322 mpr_dprint(sc, MPR_ERROR,"%s: cm_flags = %#x for target reset! "
1323 "This should not happen!\n", __func__, tm->cm_flags);
1324 mprsas_free_tm(sc, tm);
1328 if (reply == NULL) {
1329 mprsas_log_command(tm, MPR_RECOVERY,
1330 "NULL reset reply for tm %p\n", tm);
1331 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1332 /* this completion was due to a reset, just cleanup */
1333 targ->flags &= ~MPRSAS_TARGET_INRESET;
1335 mprsas_free_tm(sc, tm);
1338 /* we should have gotten a reply. */
1344 mprsas_log_command(tm, MPR_RECOVERY,
1345 "target reset status 0x%x code 0x%x count %u\n",
1346 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1347 le32toh(reply->TerminationCount));
1349 targ->flags &= ~MPRSAS_TARGET_INRESET;
1351 if (targ->outstanding == 0) {
1352 /* we've finished recovery for this target and all
1353 * of its logical units.
1355 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1356 "recovery finished after target reset\n");
1358 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1362 mprsas_free_tm(sc, tm);
1365 /* after a target reset, if this target still has
1366 * outstanding commands, the reset effectively failed,
1367 * regardless of the status reported. escalate.
1369 mprsas_log_command(tm, MPR_RECOVERY,
1370 "target reset complete for tm %p, but still have %u "
1371 "command(s)\n", tm, targ->outstanding);
1376 #define MPR_RESET_TIMEOUT 30
1379 mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type)
1381 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1382 struct mprsas_target *target;
1385 target = tm->cm_targ;
1386 if (target->handle == 0) {
1387 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n",
1388 __func__, target->tid);
1392 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1393 req->DevHandle = htole16(target->handle);
1394 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1395 req->TaskType = type;
1397 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) {
1398 /* XXX Need to handle invalid LUNs */
1399 MPR_SET_LUN(req->LUN, tm->cm_lun);
1400 tm->cm_targ->logical_unit_resets++;
1401 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1402 "sending logical unit reset\n");
1403 tm->cm_complete = mprsas_logical_unit_reset_complete;
1405 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1407 * Target reset method =
1408 * SAS Hard Link Reset / SATA Link Reset
1410 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
1411 tm->cm_targ->target_resets++;
1412 tm->cm_targ->flags |= MPRSAS_TARGET_INRESET;
1413 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1414 "sending target reset\n");
1415 tm->cm_complete = mprsas_target_reset_complete;
1418 mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type);
1422 mpr_dprint(sc, MPR_XINFO, "to target %u handle 0x%04x\n", target->tid,
1424 if (target->encl_level_valid) {
1425 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
1426 "connector name (%4s)\n", target->encl_level,
1427 target->encl_slot, target->connector_name);
1431 tm->cm_desc.HighPriority.RequestFlags =
1432 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1433 tm->cm_complete_data = (void *)tm;
1435 callout_reset(&tm->cm_callout, MPR_RESET_TIMEOUT * hz,
1436 mprsas_tm_timeout, tm);
1438 err = mpr_map_command(sc, tm);
1440 mprsas_log_command(tm, MPR_RECOVERY,
1441 "error %d sending reset type %u\n",
1449 mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm)
1451 struct mpr_command *cm;
1452 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1453 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1454 struct mprsas_target *targ;
1456 callout_stop(&tm->cm_callout);
1458 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1459 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1463 * Currently there should be no way we can hit this case. It only
1464 * happens when we have a failure to allocate chain frames, and
1465 * task management commands don't have S/G lists.
1467 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1468 mprsas_log_command(tm, MPR_RECOVERY,
1469 "cm_flags = %#x for abort %p TaskMID %u!\n",
1470 tm->cm_flags, tm, le16toh(req->TaskMID));
1471 mprsas_free_tm(sc, tm);
1475 if (reply == NULL) {
1476 mprsas_log_command(tm, MPR_RECOVERY,
1477 "NULL abort reply for tm %p TaskMID %u\n",
1478 tm, le16toh(req->TaskMID));
1479 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1480 /* this completion was due to a reset, just cleanup */
1482 mprsas_free_tm(sc, tm);
1485 /* we should have gotten a reply. */
1491 mprsas_log_command(tm, MPR_RECOVERY,
1492 "abort TaskMID %u status 0x%x code 0x%x count %u\n",
1493 le16toh(req->TaskMID),
1494 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1495 le32toh(reply->TerminationCount));
1497 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands);
1499 /* if there are no more timedout commands, we're done with
1500 * error recovery for this target.
1502 mprsas_log_command(tm, MPR_RECOVERY,
1503 "finished recovery after aborting TaskMID %u\n",
1504 le16toh(req->TaskMID));
1507 mprsas_free_tm(sc, tm);
1509 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) {
1510 /* abort success, but we have more timedout commands to abort */
1511 mprsas_log_command(tm, MPR_RECOVERY,
1512 "continuing recovery after aborting TaskMID %u\n",
1513 le16toh(req->TaskMID));
1515 mprsas_send_abort(sc, tm, cm);
1518 /* we didn't get a command completion, so the abort
1519 * failed as far as we're concerned. escalate.
1521 mprsas_log_command(tm, MPR_RECOVERY,
1522 "abort failed for TaskMID %u tm %p\n",
1523 le16toh(req->TaskMID), tm);
1525 mprsas_send_reset(sc, tm,
1526 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET);
1530 #define MPR_ABORT_TIMEOUT 5
1533 mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm,
1534 struct mpr_command *cm)
1536 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1537 struct mprsas_target *targ;
1541 if (targ->handle == 0) {
1542 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n",
1543 __func__, cm->cm_ccb->ccb_h.target_id);
1547 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1548 "Aborting command %p\n", cm);
1550 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1551 req->DevHandle = htole16(targ->handle);
1552 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1553 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1555 /* XXX Need to handle invalid LUNs */
1556 MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun);
1558 req->TaskMID = htole16(cm->cm_desc.Default.SMID);
1561 tm->cm_desc.HighPriority.RequestFlags =
1562 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1563 tm->cm_complete = mprsas_abort_complete;
1564 tm->cm_complete_data = (void *)tm;
1565 tm->cm_targ = cm->cm_targ;
1566 tm->cm_lun = cm->cm_lun;
1568 callout_reset(&tm->cm_callout, MPR_ABORT_TIMEOUT * hz,
1569 mprsas_tm_timeout, tm);
1573 err = mpr_map_command(sc, tm);
1575 mprsas_log_command(tm, MPR_RECOVERY,
1576 "error %d sending abort for cm %p SMID %u\n",
1577 err, cm, req->TaskMID);
1583 mprsas_scsiio_timeout(void *data)
1585 struct mpr_softc *sc;
1586 struct mpr_command *cm;
1587 struct mprsas_target *targ;
1589 cm = (struct mpr_command *)data;
1593 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1595 mpr_dprint(sc, MPR_XINFO, "Timeout checking cm %p\n", cm);
1598 * Run the interrupt handler to make sure it's not pending. This
1599 * isn't perfect because the command could have already completed
1600 * and been re-used, though this is unlikely.
1602 mpr_intr_locked(sc);
1603 if (cm->cm_state == MPR_CM_STATE_FREE) {
1604 mprsas_log_command(cm, MPR_XINFO,
1605 "SCSI command %p almost timed out\n", cm);
1609 if (cm->cm_ccb == NULL) {
1610 mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n");
1617 mprsas_log_command(cm, MPR_XINFO, "command timeout cm %p ccb %p "
1618 "target %u, handle(0x%04x)\n", cm, cm->cm_ccb, targ->tid,
1620 if (targ->encl_level_valid) {
1621 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
1622 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
1623 targ->connector_name);
1626 /* XXX first, check the firmware state, to see if it's still
1627 * operational. if not, do a diag reset.
1630 cm->cm_ccb->ccb_h.status = CAM_CMD_TIMEOUT;
1631 cm->cm_state = MPR_CM_STATE_TIMEDOUT;
1632 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery);
1634 if (targ->tm != NULL) {
1635 /* target already in recovery, just queue up another
1636 * timedout command to be processed later.
1638 mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for "
1639 "processing by tm %p\n", cm, targ->tm);
1641 else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1642 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n",
1645 /* start recovery by aborting the first timedout command */
1646 mprsas_send_abort(sc, targ->tm, cm);
1649 /* XXX queue this target up for recovery once a TM becomes
1650 * available. The firmware only has a limited number of
1651 * HighPriority credits for the high priority requests used
1652 * for task management, and we ran out.
1654 * Isilon: don't worry about this for now, since we have
1655 * more credits than disks in an enclosure, and limit
1656 * ourselves to one TM per target for recovery.
1658 mpr_dprint(sc, MPR_RECOVERY,
1659 "timedout cm %p failed to allocate a tm\n", cm);
1664 mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb)
1666 MPI2_SCSI_IO_REQUEST *req;
1667 struct ccb_scsiio *csio;
1668 struct mpr_softc *sc;
1669 struct mprsas_target *targ;
1670 struct mprsas_lun *lun;
1671 struct mpr_command *cm;
1672 uint8_t i, lba_byte, *ref_tag_addr;
1673 uint16_t eedp_flags;
1674 uint32_t mpi_control;
1678 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1681 targ = &sassc->targets[csio->ccb_h.target_id];
1682 mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags);
1683 if (targ->handle == 0x0) {
1684 mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n",
1685 __func__, csio->ccb_h.target_id);
1686 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1690 if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) {
1691 mpr_dprint(sc, MPR_TRACE, "%s Raid component no SCSI IO "
1692 "supported %u\n", __func__, csio->ccb_h.target_id);
1693 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1698 * Sometimes, it is possible to get a command that is not "In
1699 * Progress" and was actually aborted by the upper layer. Check for
1700 * this here and complete the command without error.
1702 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
1703 mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for "
1704 "target %u\n", __func__, csio->ccb_h.target_id);
1709 * If devinfo is 0 this will be a volume. In that case don't tell CAM
1710 * that the volume has timed out. We want volumes to be enumerated
1711 * until they are deleted/removed, not just failed.
1713 if (targ->flags & MPRSAS_TARGET_INREMOVAL) {
1714 if (targ->devinfo == 0)
1715 csio->ccb_h.status = CAM_REQ_CMP;
1717 csio->ccb_h.status = CAM_SEL_TIMEOUT;
1722 if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) {
1723 mpr_dprint(sc, MPR_TRACE, "%s shutting down\n", __func__);
1724 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1729 cm = mpr_alloc_command(sc);
1730 if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) {
1732 mpr_free_command(sc, cm);
1734 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
1735 xpt_freeze_simq(sassc->sim, 1);
1736 sassc->flags |= MPRSAS_QUEUE_FROZEN;
1738 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1739 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1744 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1745 bzero(req, sizeof(*req));
1746 req->DevHandle = htole16(targ->handle);
1747 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1749 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
1750 req->SenseBufferLength = MPR_SENSE_LEN;
1752 req->ChainOffset = 0;
1753 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
1758 req->DataLength = htole32(csio->dxfer_len);
1759 req->BidirectionalDataLength = 0;
1760 req->IoFlags = htole16(csio->cdb_len);
1763 /* Note: BiDirectional transfers are not supported */
1764 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
1766 mpi_control = MPI2_SCSIIO_CONTROL_READ;
1767 cm->cm_flags |= MPR_CM_FLAGS_DATAIN;
1770 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
1771 cm->cm_flags |= MPR_CM_FLAGS_DATAOUT;
1775 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
1779 if (csio->cdb_len == 32)
1780 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
1782 * It looks like the hardware doesn't require an explicit tag
1783 * number for each transaction. SAM Task Management not supported
1786 switch (csio->tag_action) {
1787 case MSG_HEAD_OF_Q_TAG:
1788 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
1790 case MSG_ORDERED_Q_TAG:
1791 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
1794 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ;
1796 case CAM_TAG_ACTION_NONE:
1797 case MSG_SIMPLE_Q_TAG:
1799 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
1802 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits;
1803 req->Control = htole32(mpi_control);
1805 if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
1806 mpr_free_command(sc, cm);
1807 ccb->ccb_h.status = CAM_LUN_INVALID;
1812 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1813 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
1815 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
1816 req->IoFlags = htole16(csio->cdb_len);
1819 * Check if EEDP is supported and enabled. If it is then check if the
1820 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and
1821 * is formatted for EEDP support. If all of this is true, set CDB up
1822 * for EEDP transfer.
1824 eedp_flags = op_code_prot[req->CDB.CDB32[0]];
1825 if (sc->eedp_enabled && eedp_flags) {
1826 SLIST_FOREACH(lun, &targ->luns, lun_link) {
1827 if (lun->lun_id == csio->ccb_h.target_lun) {
1832 if ((lun != NULL) && (lun->eedp_formatted)) {
1833 req->EEDPBlockSize = htole16(lun->eedp_block_size);
1834 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
1835 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
1836 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
1837 req->EEDPFlags = htole16(eedp_flags);
1840 * If CDB less than 32, fill in Primary Ref Tag with
1841 * low 4 bytes of LBA. If CDB is 32, tag stuff is
1842 * already there. Also, set protection bit. FreeBSD
1843 * currently does not support CDBs bigger than 16, but
1844 * the code doesn't hurt, and will be here for the
1847 if (csio->cdb_len != 32) {
1848 lba_byte = (csio->cdb_len == 16) ? 6 : 2;
1849 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32.
1850 PrimaryReferenceTag;
1851 for (i = 0; i < 4; i++) {
1853 req->CDB.CDB32[lba_byte + i];
1856 req->CDB.EEDP32.PrimaryReferenceTag =
1858 CDB.EEDP32.PrimaryReferenceTag);
1859 req->CDB.EEDP32.PrimaryApplicationTagMask =
1861 req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) |
1865 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG;
1866 req->EEDPFlags = htole16(eedp_flags);
1867 req->CDB.CDB32[10] = (req->CDB.CDB32[10] &
1873 cm->cm_length = csio->dxfer_len;
1874 if (cm->cm_length != 0) {
1876 cm->cm_flags |= MPR_CM_FLAGS_USE_CCB;
1880 cm->cm_sge = &req->SGL;
1881 cm->cm_sglsize = (32 - 24) * 4;
1882 cm->cm_complete = mprsas_scsiio_complete;
1883 cm->cm_complete_data = ccb;
1885 cm->cm_lun = csio->ccb_h.target_lun;
1888 * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0)
1889 * and set descriptor type.
1891 if (targ->scsi_req_desc_type ==
1892 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) {
1893 req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH;
1894 cm->cm_desc.FastPathSCSIIO.RequestFlags =
1895 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1896 cm->cm_desc.FastPathSCSIIO.DevHandle = htole16(targ->handle);
1898 cm->cm_desc.SCSIIO.RequestFlags =
1899 MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1900 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle);
1903 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
1904 mprsas_scsiio_timeout, cm);
1907 targ->outstanding++;
1908 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
1909 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1911 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n",
1912 __func__, cm, ccb, targ->outstanding);
1914 mpr_map_command(sc, cm);
1919 mpr_response_code(struct mpr_softc *sc, u8 response_code)
1923 switch (response_code) {
1924 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1925 desc = "task management request completed";
1927 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1928 desc = "invalid frame";
1930 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1931 desc = "task management request not supported";
1933 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1934 desc = "task management request failed";
1936 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1937 desc = "task management request succeeded";
1939 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1940 desc = "invalid lun";
1943 desc = "overlapped tag attempted";
1945 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1946 desc = "task queued, however not sent to target";
1952 mpr_dprint(sc, MPR_XINFO, "response_code(0x%01x): %s\n", response_code,
1957 * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request
1960 mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio,
1961 Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ)
1965 u16 ioc_status = le16toh(mpi_reply->IOCStatus) &
1966 MPI2_IOCSTATUS_MASK;
1967 u8 scsi_state = mpi_reply->SCSIState;
1968 u8 scsi_status = mpi_reply->SCSIStatus;
1969 char *desc_ioc_state = NULL;
1970 char *desc_scsi_status = NULL;
1971 char *desc_scsi_state = sc->tmp_string;
1972 u32 log_info = le32toh(mpi_reply->IOCLogInfo);
1974 if (log_info == 0x31170000)
1977 switch (ioc_status) {
1978 case MPI2_IOCSTATUS_SUCCESS:
1979 desc_ioc_state = "success";
1981 case MPI2_IOCSTATUS_INVALID_FUNCTION:
1982 desc_ioc_state = "invalid function";
1984 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
1985 desc_ioc_state = "scsi recovered error";
1987 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
1988 desc_ioc_state = "scsi invalid dev handle";
1990 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
1991 desc_ioc_state = "scsi device not there";
1993 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
1994 desc_ioc_state = "scsi data overrun";
1996 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
1997 desc_ioc_state = "scsi data underrun";
1999 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2000 desc_ioc_state = "scsi io data error";
2002 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2003 desc_ioc_state = "scsi protocol error";
2005 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2006 desc_ioc_state = "scsi task terminated";
2008 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2009 desc_ioc_state = "scsi residual mismatch";
2011 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2012 desc_ioc_state = "scsi task mgmt failed";
2014 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2015 desc_ioc_state = "scsi ioc terminated";
2017 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2018 desc_ioc_state = "scsi ext terminated";
2020 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2021 desc_ioc_state = "eedp guard error";
2023 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2024 desc_ioc_state = "eedp ref tag error";
2026 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2027 desc_ioc_state = "eedp app tag error";
2030 desc_ioc_state = "unknown";
2034 switch (scsi_status) {
2035 case MPI2_SCSI_STATUS_GOOD:
2036 desc_scsi_status = "good";
2038 case MPI2_SCSI_STATUS_CHECK_CONDITION:
2039 desc_scsi_status = "check condition";
2041 case MPI2_SCSI_STATUS_CONDITION_MET:
2042 desc_scsi_status = "condition met";
2044 case MPI2_SCSI_STATUS_BUSY:
2045 desc_scsi_status = "busy";
2047 case MPI2_SCSI_STATUS_INTERMEDIATE:
2048 desc_scsi_status = "intermediate";
2050 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2051 desc_scsi_status = "intermediate condmet";
2053 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2054 desc_scsi_status = "reservation conflict";
2056 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2057 desc_scsi_status = "command terminated";
2059 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2060 desc_scsi_status = "task set full";
2062 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2063 desc_scsi_status = "aca active";
2065 case MPI2_SCSI_STATUS_TASK_ABORTED:
2066 desc_scsi_status = "task aborted";
2069 desc_scsi_status = "unknown";
2073 desc_scsi_state[0] = '\0';
2075 desc_scsi_state = " ";
2076 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2077 strcat(desc_scsi_state, "response info ");
2078 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2079 strcat(desc_scsi_state, "state terminated ");
2080 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2081 strcat(desc_scsi_state, "no status ");
2082 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2083 strcat(desc_scsi_state, "autosense failed ");
2084 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2085 strcat(desc_scsi_state, "autosense valid ");
2087 mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n",
2088 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status);
2089 if (targ->encl_level_valid) {
2090 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
2091 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
2092 targ->connector_name);
2094 /* We can add more detail about underflow data here
2097 mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), "
2098 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status,
2099 desc_scsi_state, scsi_state);
2101 if (sc->mpr_debug & MPR_XINFO &&
2102 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2103 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n");
2104 scsi_sense_print(csio);
2105 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n");
2108 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2109 response_info = le32toh(mpi_reply->ResponseInfo);
2110 response_bytes = (u8 *)&response_info;
2111 mpr_response_code(sc,response_bytes[0]);
2116 mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2118 MPI2_SCSI_IO_REPLY *rep;
2120 struct ccb_scsiio *csio;
2121 struct mprsas_softc *sassc;
2122 struct scsi_vpd_supported_page_list *vpd_list = NULL;
2123 u8 *TLR_bits, TLR_on;
2128 mpr_dprint(sc, MPR_TRACE,
2129 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm,
2130 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply,
2131 cm->cm_targ->outstanding);
2133 callout_stop(&cm->cm_callout);
2134 mtx_assert(&sc->mpr_mtx, MA_OWNED);
2137 ccb = cm->cm_complete_data;
2139 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
2141 * XXX KDM if the chain allocation fails, does it matter if we do
2142 * the sync and unload here? It is simpler to do it in every case,
2143 * assuming it doesn't cause problems.
2145 if (cm->cm_data != NULL) {
2146 if (cm->cm_flags & MPR_CM_FLAGS_DATAIN)
2147 dir = BUS_DMASYNC_POSTREAD;
2148 else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT)
2149 dir = BUS_DMASYNC_POSTWRITE;
2150 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
2151 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2154 cm->cm_targ->completed++;
2155 cm->cm_targ->outstanding--;
2156 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link);
2157 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED);
2159 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) {
2160 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery);
2161 if (cm->cm_reply != NULL)
2162 mprsas_log_command(cm, MPR_RECOVERY,
2163 "completed timedout cm %p ccb %p during recovery "
2164 "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb,
2165 le16toh(rep->IOCStatus), rep->SCSIStatus,
2166 rep->SCSIState, le32toh(rep->TransferCount));
2168 mprsas_log_command(cm, MPR_RECOVERY,
2169 "completed timedout cm %p ccb %p during recovery\n",
2171 } else if (cm->cm_targ->tm != NULL) {
2172 if (cm->cm_reply != NULL)
2173 mprsas_log_command(cm, MPR_RECOVERY,
2174 "completed cm %p ccb %p during recovery "
2175 "ioc %x scsi %x state %x xfer %u\n",
2176 cm, cm->cm_ccb, le16toh(rep->IOCStatus),
2177 rep->SCSIStatus, rep->SCSIState,
2178 le32toh(rep->TransferCount));
2180 mprsas_log_command(cm, MPR_RECOVERY,
2181 "completed cm %p ccb %p during recovery\n",
2183 } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
2184 mprsas_log_command(cm, MPR_RECOVERY,
2185 "reset completed cm %p ccb %p\n", cm, cm->cm_ccb);
2188 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2190 * We ran into an error after we tried to map the command,
2191 * so we're getting a callback without queueing the command
2192 * to the hardware. So we set the status here, and it will
2193 * be retained below. We'll go through the "fast path",
2194 * because there can be no reply when we haven't actually
2195 * gone out to the hardware.
2197 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2200 * Currently the only error included in the mask is
2201 * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of
2202 * chain frames. We need to freeze the queue until we get
2203 * a command that completed without this error, which will
2204 * hopefully have some chain frames attached that we can
2205 * use. If we wanted to get smarter about it, we would
2206 * only unfreeze the queue in this condition when we're
2207 * sure that we're getting some chain frames back. That's
2208 * probably unnecessary.
2210 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
2211 xpt_freeze_simq(sassc->sim, 1);
2212 sassc->flags |= MPRSAS_QUEUE_FROZEN;
2213 mpr_dprint(sc, MPR_INFO, "Error sending command, "
2214 "freezing SIM queue\n");
2219 * If this is a Start Stop Unit command and it was issued by the driver
2220 * during shutdown, decrement the refcount to account for all of the
2221 * commands that were sent. All SSU commands should be completed before
2222 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started
2225 if (sc->SSU_started && (csio->cdb_io.cdb_bytes[0] == START_STOP_UNIT)) {
2226 mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n");
2230 /* Take the fast path to completion */
2231 if (cm->cm_reply == NULL) {
2232 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
2233 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0)
2234 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
2236 ccb->ccb_h.status = CAM_REQ_CMP;
2237 ccb->csio.scsi_status = SCSI_STATUS_OK;
2239 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2240 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2241 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2242 mpr_dprint(sc, MPR_XINFO,
2243 "Unfreezing SIM queue\n");
2248 * There are two scenarios where the status won't be
2249 * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is
2250 * set, the second is in the MPR_FLAGS_DIAGRESET above.
2252 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2254 * Freeze the dev queue so that commands are
2255 * executed in the correct order with after error
2258 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2259 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2261 mpr_free_command(sc, cm);
2266 mprsas_log_command(cm, MPR_XINFO,
2267 "ioc %x scsi %x state %x xfer %u\n",
2268 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2269 le32toh(rep->TransferCount));
2271 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
2272 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2273 csio->resid = cm->cm_length - le32toh(rep->TransferCount);
2275 case MPI2_IOCSTATUS_SUCCESS:
2276 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2278 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
2279 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR)
2280 mprsas_log_command(cm, MPR_XINFO, "recovered error\n");
2282 /* Completion failed at the transport level. */
2283 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS |
2284 MPI2_SCSI_STATE_TERMINATED)) {
2285 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2289 /* In a modern packetized environment, an autosense failure
2290 * implies that there's not much else that can be done to
2291 * recover the command.
2293 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) {
2294 ccb->ccb_h.status = CAM_AUTOSENSE_FAIL;
2299 * CAM doesn't care about SAS Response Info data, but if this is
2300 * the state check if TLR should be done. If not, clear the
2301 * TLR_bits for the target.
2303 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) &&
2304 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE)
2305 == MPR_SCSI_RI_INVALID_FRAME)) {
2306 sc->mapping_table[csio->ccb_h.target_id].TLR_bits =
2307 (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2311 * Intentionally override the normal SCSI status reporting
2312 * for these two cases. These are likely to happen in a
2313 * multi-initiator environment, and we want to make sure that
2314 * CAM retries these commands rather than fail them.
2316 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) ||
2317 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) {
2318 ccb->ccb_h.status = CAM_REQ_ABORTED;
2322 /* Handle normal status and sense */
2323 csio->scsi_status = rep->SCSIStatus;
2324 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD)
2325 ccb->ccb_h.status = CAM_REQ_CMP;
2327 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2329 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2330 int sense_len, returned_sense_len;
2332 returned_sense_len = min(le32toh(rep->SenseCount),
2333 sizeof(struct scsi_sense_data));
2334 if (returned_sense_len < csio->sense_len)
2335 csio->sense_resid = csio->sense_len -
2338 csio->sense_resid = 0;
2340 sense_len = min(returned_sense_len,
2341 csio->sense_len - csio->sense_resid);
2342 bzero(&csio->sense_data, sizeof(csio->sense_data));
2343 bcopy(cm->cm_sense, &csio->sense_data, sense_len);
2344 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2348 * Check if this is an INQUIRY command. If it's a VPD inquiry,
2349 * and it's page code 0 (Supported Page List), and there is
2350 * inquiry data, and this is for a sequential access device, and
2351 * the device is an SSP target, and TLR is supported by the
2352 * controller, turn the TLR_bits value ON if page 0x90 is
2355 if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
2356 (csio->cdb_io.cdb_bytes[1] & SI_EVPD) &&
2357 (csio->cdb_io.cdb_bytes[2] == SVPD_SUPPORTED_PAGE_LIST) &&
2358 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
2359 (csio->data_ptr != NULL) &&
2360 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) &&
2361 (sc->control_TLR) &&
2362 (sc->mapping_table[csio->ccb_h.target_id].device_info &
2363 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) {
2364 vpd_list = (struct scsi_vpd_supported_page_list *)
2366 TLR_bits = &sc->mapping_table[csio->ccb_h.target_id].
2368 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2369 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON;
2370 alloc_len = ((u16)csio->cdb_io.cdb_bytes[3] << 8) +
2371 csio->cdb_io.cdb_bytes[4];
2372 alloc_len -= csio->resid;
2373 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) {
2374 if (vpd_list->list[i] == 0x90) {
2381 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2382 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2384 * If devinfo is 0 this will be a volume. In that case don't
2385 * tell CAM that the volume is not there. We want volumes to
2386 * be enumerated until they are deleted/removed, not just
2389 if (cm->cm_targ->devinfo == 0)
2390 ccb->ccb_h.status = CAM_REQ_CMP;
2392 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2394 case MPI2_IOCSTATUS_INVALID_SGL:
2395 mpr_print_scsiio_cmd(sc, cm);
2396 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR;
2398 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2400 * This is one of the responses that comes back when an I/O
2401 * has been aborted. If it is because of a timeout that we
2402 * initiated, just set the status to CAM_CMD_TIMEOUT.
2403 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
2404 * command is the same (it gets retried, subject to the
2405 * retry counter), the only difference is what gets printed
2408 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT)
2409 ccb->ccb_h.status = CAM_CMD_TIMEOUT;
2411 ccb->ccb_h.status = CAM_REQ_ABORTED;
2413 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2414 /* resid is ignored for this condition */
2416 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
2418 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2419 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2421 * Since these are generally external (i.e. hopefully
2422 * transient transport-related) errors, retry these without
2423 * decrementing the retry count.
2425 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2426 mprsas_log_command(cm, MPR_INFO,
2427 "terminated ioc %x scsi %x state %x xfer %u\n",
2428 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2429 le32toh(rep->TransferCount));
2431 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2432 case MPI2_IOCSTATUS_INTERNAL_ERROR:
2433 case MPI2_IOCSTATUS_INVALID_VPID:
2434 case MPI2_IOCSTATUS_INVALID_FIELD:
2435 case MPI2_IOCSTATUS_INVALID_STATE:
2436 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
2437 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2438 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2439 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2440 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2442 mprsas_log_command(cm, MPR_XINFO,
2443 "completed ioc %x scsi %x state %x xfer %u\n",
2444 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2445 le32toh(rep->TransferCount));
2446 csio->resid = cm->cm_length;
2447 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2451 mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ);
2453 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2454 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2455 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2456 mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM "
2460 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2461 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2462 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2465 mpr_free_command(sc, cm);
2469 #if __FreeBSD_version >= 900026
2471 mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2473 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
2474 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2478 ccb = cm->cm_complete_data;
2481 * Currently there should be no way we can hit this case. It only
2482 * happens when we have a failure to allocate chain frames, and SMP
2483 * commands require two S/G elements only. That should be handled
2484 * in the standard request size.
2486 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2487 mpr_dprint(sc, MPR_ERROR,"%s: cm_flags = %#x on SMP request!\n",
2488 __func__, cm->cm_flags);
2489 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2493 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
2495 mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__);
2496 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2500 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2501 sasaddr = le32toh(req->SASAddress.Low);
2502 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
2504 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
2505 MPI2_IOCSTATUS_SUCCESS ||
2506 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
2507 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n",
2508 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus);
2509 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2513 mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address "
2514 "%#jx completed successfully\n", __func__, (uintmax_t)sasaddr);
2516 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
2517 ccb->ccb_h.status = CAM_REQ_CMP;
2519 ccb->ccb_h.status = CAM_SMP_STATUS_ERROR;
2523 * We sync in both directions because we had DMAs in the S/G list
2524 * in both directions.
2526 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
2527 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2528 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2529 mpr_free_command(sc, cm);
2534 mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb,
2537 struct mpr_command *cm;
2538 uint8_t *request, *response;
2539 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2540 struct mpr_softc *sc;
2548 #if (__FreeBSD_version >= 1000028) || \
2549 ((__FreeBSD_version >= 902001) && (__FreeBSD_version < 1000000))
2550 switch (ccb->ccb_h.flags & CAM_DATA_MASK) {
2551 case CAM_DATA_PADDR:
2552 case CAM_DATA_SG_PADDR:
2554 * XXX We don't yet support physical addresses here.
2556 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not "
2557 "supported\n", __func__);
2558 ccb->ccb_h.status = CAM_REQ_INVALID;
2563 * The chip does not support more than one buffer for the
2564 * request or response.
2566 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2567 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2568 mpr_dprint(sc, MPR_ERROR,
2569 "%s: multiple request or response buffer segments "
2570 "not supported for SMP\n", __func__);
2571 ccb->ccb_h.status = CAM_REQ_INVALID;
2577 * The CAM_SCATTER_VALID flag was originally implemented
2578 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2579 * We have two. So, just take that flag to mean that we
2580 * might have S/G lists, and look at the S/G segment count
2581 * to figure out whether that is the case for each individual
2584 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2585 bus_dma_segment_t *req_sg;
2587 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2588 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2590 request = ccb->smpio.smp_request;
2592 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2593 bus_dma_segment_t *rsp_sg;
2595 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2596 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2598 response = ccb->smpio.smp_response;
2600 case CAM_DATA_VADDR:
2601 request = ccb->smpio.smp_request;
2602 response = ccb->smpio.smp_response;
2605 ccb->ccb_h.status = CAM_REQ_INVALID;
2609 #else /* __FreeBSD_version < 1000028 */
2611 * XXX We don't yet support physical addresses here.
2613 if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) {
2614 mpr_printf(sc, "%s: physical addresses not supported\n",
2616 ccb->ccb_h.status = CAM_REQ_INVALID;
2622 * If the user wants to send an S/G list, check to make sure they
2623 * have single buffers.
2625 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2627 * The chip does not support more than one buffer for the
2628 * request or response.
2630 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2631 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2632 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or "
2633 "response buffer segments not supported for SMP\n",
2635 ccb->ccb_h.status = CAM_REQ_INVALID;
2641 * The CAM_SCATTER_VALID flag was originally implemented
2642 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2643 * We have two. So, just take that flag to mean that we
2644 * might have S/G lists, and look at the S/G segment count
2645 * to figure out whether that is the case for each individual
2648 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2649 bus_dma_segment_t *req_sg;
2651 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2652 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2654 request = ccb->smpio.smp_request;
2656 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2657 bus_dma_segment_t *rsp_sg;
2659 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2660 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2662 response = ccb->smpio.smp_response;
2664 request = ccb->smpio.smp_request;
2665 response = ccb->smpio.smp_response;
2667 #endif /* __FreeBSD_version < 1000028 */
2669 cm = mpr_alloc_command(sc);
2671 mpr_dprint(sc, MPR_ERROR,
2672 "%s: cannot allocate command\n", __func__);
2673 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2678 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2679 bzero(req, sizeof(*req));
2680 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
2682 /* Allow the chip to use any route to this SAS address. */
2683 req->PhysicalPort = 0xff;
2685 req->RequestDataLength = htole16(ccb->smpio.smp_request_len);
2687 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
2689 mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address "
2690 "%#jx\n", __func__, (uintmax_t)sasaddr);
2692 mpr_init_sge(cm, req, &req->SGL);
2695 * Set up a uio to pass into mpr_map_command(). This allows us to
2696 * do one map command, and one busdma call in there.
2698 cm->cm_uio.uio_iov = cm->cm_iovec;
2699 cm->cm_uio.uio_iovcnt = 2;
2700 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
2703 * The read/write flag isn't used by busdma, but set it just in
2704 * case. This isn't exactly accurate, either, since we're going in
2707 cm->cm_uio.uio_rw = UIO_WRITE;
2709 cm->cm_iovec[0].iov_base = request;
2710 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength);
2711 cm->cm_iovec[1].iov_base = response;
2712 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
2714 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
2715 cm->cm_iovec[1].iov_len;
2718 * Trigger a warning message in mpr_data_cb() for the user if we
2719 * wind up exceeding two S/G segments. The chip expects one
2720 * segment for the request and another for the response.
2722 cm->cm_max_segs = 2;
2724 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2725 cm->cm_complete = mprsas_smpio_complete;
2726 cm->cm_complete_data = ccb;
2729 * Tell the mapping code that we're using a uio, and that this is
2730 * an SMP passthrough request. There is a little special-case
2731 * logic there (in mpr_data_cb()) to handle the bidirectional
2734 cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS |
2735 MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT;
2737 /* The chip data format is little endian. */
2738 req->SASAddress.High = htole32(sasaddr >> 32);
2739 req->SASAddress.Low = htole32(sasaddr);
2742 * XXX Note that we don't have a timeout/abort mechanism here.
2743 * From the manual, it looks like task management requests only
2744 * work for SCSI IO and SATA passthrough requests. We may need to
2745 * have a mechanism to retry requests in the event of a chip reset
2746 * at least. Hopefully the chip will insure that any errors short
2747 * of that are relayed back to the driver.
2749 error = mpr_map_command(sc, cm);
2750 if ((error != 0) && (error != EINPROGRESS)) {
2751 mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from "
2752 "mpr_map_command()\n", __func__, error);
2759 mpr_free_command(sc, cm);
2760 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2766 mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb)
2768 struct mpr_softc *sc;
2769 struct mprsas_target *targ;
2770 uint64_t sasaddr = 0;
2775 * Make sure the target exists.
2777 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
2778 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id));
2779 targ = &sassc->targets[ccb->ccb_h.target_id];
2780 if (targ->handle == 0x0) {
2781 mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n",
2782 __func__, ccb->ccb_h.target_id);
2783 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2789 * If this device has an embedded SMP target, we'll talk to it
2791 * figure out what the expander's address is.
2793 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
2794 sasaddr = targ->sasaddr;
2797 * If we don't have a SAS address for the expander yet, try
2798 * grabbing it from the page 0x83 information cached in the
2799 * transport layer for this target. LSI expanders report the
2800 * expander SAS address as the port-associated SAS address in
2801 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
2804 * XXX KDM disable this for now, but leave it commented out so that
2805 * it is obvious that this is another possible way to get the SAS
2808 * The parent handle method below is a little more reliable, and
2809 * the other benefit is that it works for devices other than SES
2810 * devices. So you can send a SMP request to a da(4) device and it
2811 * will get routed to the expander that device is attached to.
2812 * (Assuming the da(4) device doesn't contain an SMP target...)
2816 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
2820 * If we still don't have a SAS address for the expander, look for
2821 * the parent device of this device, which is probably the expander.
2824 #ifdef OLD_MPR_PROBE
2825 struct mprsas_target *parent_target;
2828 if (targ->parent_handle == 0x0) {
2829 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
2830 "a valid parent handle!\n", __func__, targ->handle);
2831 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2834 #ifdef OLD_MPR_PROBE
2835 parent_target = mprsas_find_target_by_handle(sassc, 0,
2836 targ->parent_handle);
2838 if (parent_target == NULL) {
2839 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
2840 "a valid parent target!\n", __func__, targ->handle);
2841 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2845 if ((parent_target->devinfo &
2846 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
2847 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
2848 "does not have an SMP target!\n", __func__,
2849 targ->handle, parent_target->handle);
2850 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2855 sasaddr = parent_target->sasaddr;
2856 #else /* OLD_MPR_PROBE */
2857 if ((targ->parent_devinfo &
2858 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
2859 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
2860 "does not have an SMP target!\n", __func__,
2861 targ->handle, targ->parent_handle);
2862 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2866 if (targ->parent_sasaddr == 0x0) {
2867 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle "
2868 "%d does not have a valid SAS address!\n", __func__,
2869 targ->handle, targ->parent_handle);
2870 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2874 sasaddr = targ->parent_sasaddr;
2875 #endif /* OLD_MPR_PROBE */
2880 mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for "
2881 "handle %d\n", __func__, targ->handle);
2882 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2885 mprsas_send_smpcmd(sassc, ccb, sasaddr);
2893 #endif //__FreeBSD_version >= 900026
2896 mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb)
2898 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2899 struct mpr_softc *sc;
2900 struct mpr_command *tm;
2901 struct mprsas_target *targ;
2903 MPR_FUNCTRACE(sassc->sc);
2904 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
2906 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
2907 ("Target %d out of bounds in XPT_RESET_DEV\n",
2908 ccb->ccb_h.target_id));
2910 tm = mpr_alloc_command(sc);
2912 mpr_dprint(sc, MPR_ERROR,
2913 "command alloc failure in mprsas_action_resetdev\n");
2914 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2919 targ = &sassc->targets[ccb->ccb_h.target_id];
2920 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
2921 req->DevHandle = htole16(targ->handle);
2922 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2923 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2925 /* SAS Hard Link Reset / SATA Link Reset */
2926 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
2929 tm->cm_desc.HighPriority.RequestFlags =
2930 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
2931 tm->cm_complete = mprsas_resetdev_complete;
2932 tm->cm_complete_data = ccb;
2934 mpr_map_command(sc, tm);
2938 mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm)
2940 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
2944 mtx_assert(&sc->mpr_mtx, MA_OWNED);
2946 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
2947 ccb = tm->cm_complete_data;
2950 * Currently there should be no way we can hit this case. It only
2951 * happens when we have a failure to allocate chain frames, and
2952 * task management commands don't have S/G lists.
2954 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2955 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2957 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
2959 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of "
2960 "handle %#04x! This should not happen!\n", __func__,
2961 tm->cm_flags, req->DevHandle);
2962 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2966 mpr_dprint(sc, MPR_XINFO,
2967 "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", __func__,
2968 le16toh(resp->IOCStatus), le32toh(resp->ResponseCode));
2970 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
2971 ccb->ccb_h.status = CAM_REQ_CMP;
2972 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
2976 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2980 mprsas_free_tm(sc, tm);
2985 mprsas_poll(struct cam_sim *sim)
2987 struct mprsas_softc *sassc;
2989 sassc = cam_sim_softc(sim);
2991 if (sassc->sc->mpr_debug & MPR_TRACE) {
2992 /* frequent debug messages during a panic just slow
2993 * everything down too much.
2995 mpr_printf(sassc->sc, "%s clearing MPR_TRACE\n", __func__);
2996 sassc->sc->mpr_debug &= ~MPR_TRACE;
2999 mpr_intr_locked(sassc->sc);
3003 mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path,
3006 struct mpr_softc *sc;
3008 sc = (struct mpr_softc *)callback_arg;
3011 #if (__FreeBSD_version >= 1000006) || \
3012 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
3013 case AC_ADVINFO_CHANGED: {
3014 struct mprsas_target *target;
3015 struct mprsas_softc *sassc;
3016 struct scsi_read_capacity_data_long rcap_buf;
3017 struct ccb_dev_advinfo cdai;
3018 struct mprsas_lun *lun;
3023 buftype = (uintptr_t)arg;
3029 * We're only interested in read capacity data changes.
3031 if (buftype != CDAI_TYPE_RCAPLONG)
3035 * See the comment in mpr_attach_sas() for a detailed
3036 * explanation. In these versions of FreeBSD we register
3037 * for all events and filter out the events that don't
3040 #if (__FreeBSD_version < 1000703) || \
3041 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3042 if (xpt_path_path_id(path) != sassc->sim->path_id)
3047 * We should have a handle for this, but check to make sure.
3049 KASSERT(xpt_path_target_id(path) < sassc->maxtargets,
3050 ("Target %d out of bounds in mprsas_async\n",
3051 xpt_path_target_id(path)));
3052 target = &sassc->targets[xpt_path_target_id(path)];
3053 if (target->handle == 0)
3056 lunid = xpt_path_lun_id(path);
3058 SLIST_FOREACH(lun, &target->luns, lun_link) {
3059 if (lun->lun_id == lunid) {
3065 if (found_lun == 0) {
3066 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3069 mpr_dprint(sc, MPR_ERROR, "Unable to alloc "
3070 "LUN for EEDP support.\n");
3073 lun->lun_id = lunid;
3074 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3077 bzero(&rcap_buf, sizeof(rcap_buf));
3078 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL);
3079 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3080 cdai.ccb_h.flags = CAM_DIR_IN;
3081 cdai.buftype = CDAI_TYPE_RCAPLONG;
3083 cdai.bufsiz = sizeof(rcap_buf);
3084 cdai.buf = (uint8_t *)&rcap_buf;
3085 xpt_action((union ccb *)&cdai);
3086 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3087 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3089 if (((cdai.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP)
3090 && (rcap_buf.prot & SRC16_PROT_EN)) {
3091 lun->eedp_formatted = TRUE;
3092 lun->eedp_block_size = scsi_4btoul(rcap_buf.length);
3094 lun->eedp_formatted = FALSE;
3095 lun->eedp_block_size = 0;
3100 case AC_FOUND_DEVICE: {
3101 struct ccb_getdev *cgd;
3104 * See the comment in mpr_attach_sas() for a detailed
3105 * explanation. In these versions of FreeBSD we register
3106 * for all events and filter out the events that don't
3109 #if (__FreeBSD_version < 1000703) || \
3110 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3111 if (xpt_path_path_id(path) != sc->sassc->sim->path_id)
3116 mprsas_prepare_ssu(sc, path, cgd);
3118 #if (__FreeBSD_version < 901503) || \
3119 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3120 mprsas_check_eedp(sc, path, cgd);
3130 mprsas_prepare_ssu(struct mpr_softc *sc, struct cam_path *path,
3131 struct ccb_getdev *cgd)
3133 struct mprsas_softc *sassc = sc->sassc;
3135 target_id_t targetid;
3137 struct mprsas_target *target;
3138 struct mprsas_lun *lun;
3142 pathid = cam_sim_path(sassc->sim);
3143 targetid = xpt_path_target_id(path);
3144 lunid = xpt_path_lun_id(path);
3146 KASSERT(targetid < sassc->maxtargets,
3147 ("Target %d out of bounds in mprsas_prepare_ssu\n", targetid));
3148 target = &sassc->targets[targetid];
3149 if (target->handle == 0x0)
3153 * If LUN is already in list, don't create a new one.
3156 SLIST_FOREACH(lun, &target->luns, lun_link) {
3157 if (lun->lun_id == lunid) {
3163 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3166 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for "
3167 "preparing SSU.\n");
3170 lun->lun_id = lunid;
3171 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3175 * If this is a SATA direct-access end device, mark it so that a SCSI
3176 * StartStopUnit command will be sent to it when the driver is being
3179 if (((cgd->inq_data.device & 0x1F) == T_DIRECT) &&
3180 (target->devinfo & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) &&
3181 ((target->devinfo & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) ==
3182 MPI2_SAS_DEVICE_INFO_END_DEVICE)) {
3183 lun->stop_at_shutdown = TRUE;
3187 #if (__FreeBSD_version < 901503) || \
3188 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3190 mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path,
3191 struct ccb_getdev *cgd)
3193 struct mprsas_softc *sassc = sc->sassc;
3194 struct ccb_scsiio *csio;
3195 struct scsi_read_capacity_16 *scsi_cmd;
3196 struct scsi_read_capacity_eedp *rcap_buf;
3198 target_id_t targetid;
3201 struct cam_path *local_path;
3202 struct mprsas_target *target;
3203 struct mprsas_lun *lun;
3208 pathid = cam_sim_path(sassc->sim);
3209 targetid = xpt_path_target_id(path);
3210 lunid = xpt_path_lun_id(path);
3212 KASSERT(targetid < sassc->maxtargets,
3213 ("Target %d out of bounds in mprsas_check_eedp\n", targetid));
3214 target = &sassc->targets[targetid];
3215 if (target->handle == 0x0)
3219 * Determine if the device is EEDP capable.
3221 * If this flag is set in the inquiry data, the device supports
3222 * protection information, and must support the 16 byte read capacity
3223 * command, otherwise continue without sending read cap 16
3225 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0)
3229 * Issue a READ CAPACITY 16 command. This info is used to determine if
3230 * the LUN is formatted for EEDP support.
3232 ccb = xpt_alloc_ccb_nowait();
3234 mpr_dprint(sc, MPR_ERROR, "Unable to alloc CCB for EEDP "
3239 if (xpt_create_path(&local_path, xpt_periph, pathid, targetid, lunid)
3241 mpr_dprint(sc, MPR_ERROR, "Unable to create path for EEDP "
3248 * If LUN is already in list, don't create a new one.
3251 SLIST_FOREACH(lun, &target->luns, lun_link) {
3252 if (lun->lun_id == lunid) {
3258 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3261 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for "
3263 xpt_free_path(local_path);
3267 lun->lun_id = lunid;
3268 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3271 xpt_path_string(local_path, path_str, sizeof(path_str));
3272 mpr_dprint(sc, MPR_INFO, "Sending read cap: path %s handle %d\n",
3273 path_str, target->handle);
3276 * Issue a READ CAPACITY 16 command for the LUN. The
3277 * mprsas_read_cap_done function will load the read cap info into the
3280 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp), M_MPR,
3282 if (rcap_buf == NULL) {
3283 mpr_dprint(sc, MPR_FAULT, "Unable to alloc read capacity "
3284 "buffer for EEDP support.\n");
3285 xpt_free_path(ccb->ccb_h.path);
3289 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT);
3291 csio->ccb_h.func_code = XPT_SCSI_IO;
3292 csio->ccb_h.flags = CAM_DIR_IN;
3293 csio->ccb_h.retry_count = 4;
3294 csio->ccb_h.cbfcnp = mprsas_read_cap_done;
3295 csio->ccb_h.timeout = 60000;
3296 csio->data_ptr = (uint8_t *)rcap_buf;
3297 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp);
3298 csio->sense_len = MPR_SENSE_LEN;
3299 csio->cdb_len = sizeof(*scsi_cmd);
3300 csio->tag_action = MSG_SIMPLE_Q_TAG;
3302 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
3303 bzero(scsi_cmd, sizeof(*scsi_cmd));
3304 scsi_cmd->opcode = 0x9E;
3305 scsi_cmd->service_action = SRC16_SERVICE_ACTION;
3306 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp);
3308 ccb->ccb_h.ppriv_ptr1 = sassc;
3313 mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb)
3315 struct mprsas_softc *sassc;
3316 struct mprsas_target *target;
3317 struct mprsas_lun *lun;
3318 struct scsi_read_capacity_eedp *rcap_buf;
3320 if (done_ccb == NULL)
3323 /* Driver need to release devq, it Scsi command is
3324 * generated by driver internally.
3325 * Currently there is a single place where driver
3326 * calls scsi command internally. In future if driver
3327 * calls more scsi command internally, it needs to release
3328 * devq internally, since those command will not go back to
3331 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) {
3332 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3333 xpt_release_devq(done_ccb->ccb_h.path,
3334 /*count*/ 1, /*run_queue*/TRUE);
3337 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr;
3340 * Get the LUN ID for the path and look it up in the LUN list for the
3343 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
3344 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets,
3345 ("Target %d out of bounds in mprsas_read_cap_done\n",
3346 done_ccb->ccb_h.target_id));
3347 target = &sassc->targets[done_ccb->ccb_h.target_id];
3348 SLIST_FOREACH(lun, &target->luns, lun_link) {
3349 if (lun->lun_id != done_ccb->ccb_h.target_lun)
3353 * Got the LUN in the target's LUN list. Fill it in with EEDP
3354 * info. If the READ CAP 16 command had some SCSI error (common
3355 * if command is not supported), mark the lun as not supporting
3356 * EEDP and set the block size to 0.
3358 if (((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
3359 || (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) {
3360 lun->eedp_formatted = FALSE;
3361 lun->eedp_block_size = 0;
3365 if (rcap_buf->protect & 0x01) {
3366 mpr_dprint(sassc->sc, MPR_INFO, "LUN %d for "
3367 "target ID %d is formatted for EEDP "
3368 "support.\n", done_ccb->ccb_h.target_lun,
3369 done_ccb->ccb_h.target_id);
3370 lun->eedp_formatted = TRUE;
3371 lun->eedp_block_size = scsi_4btoul(rcap_buf->length);
3376 // Finished with this CCB and path.
3377 free(rcap_buf, M_MPR);
3378 xpt_free_path(done_ccb->ccb_h.path);
3379 xpt_free_ccb(done_ccb);
3381 #endif /* (__FreeBSD_version < 901503) || \
3382 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */
3385 mprsas_startup(struct mpr_softc *sc)
3388 * Send the port enable message and set the wait_for_port_enable flag.
3389 * This flag helps to keep the simq frozen until all discovery events
3392 sc->wait_for_port_enable = 1;
3393 mprsas_send_portenable(sc);
3398 mprsas_send_portenable(struct mpr_softc *sc)
3400 MPI2_PORT_ENABLE_REQUEST *request;
3401 struct mpr_command *cm;
3405 if ((cm = mpr_alloc_command(sc)) == NULL)
3407 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req;
3408 request->Function = MPI2_FUNCTION_PORT_ENABLE;
3409 request->MsgFlags = 0;
3411 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3412 cm->cm_complete = mprsas_portenable_complete;
3416 mpr_map_command(sc, cm);
3417 mpr_dprint(sc, MPR_XINFO,
3418 "mpr_send_portenable finished cm %p req %p complete %p\n",
3419 cm, cm->cm_req, cm->cm_complete);
3424 mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm)
3426 MPI2_PORT_ENABLE_REPLY *reply;
3427 struct mprsas_softc *sassc;
3433 * Currently there should be no way we can hit this case. It only
3434 * happens when we have a failure to allocate chain frames, and
3435 * port enable commands don't have S/G lists.
3437 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
3438 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! "
3439 "This should not happen!\n", __func__, cm->cm_flags);
3442 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply;
3444 mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n");
3445 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) !=
3446 MPI2_IOCSTATUS_SUCCESS)
3447 mpr_dprint(sc, MPR_FAULT, "Portenable failed\n");
3449 mpr_free_command(sc, cm);
3450 if (sc->mpr_ich.ich_arg != NULL) {
3451 mpr_dprint(sc, MPR_XINFO, "disestablish config intrhook\n");
3452 config_intrhook_disestablish(&sc->mpr_ich);
3453 sc->mpr_ich.ich_arg = NULL;
3457 * Done waiting for port enable to complete. Decrement the refcount.
3458 * If refcount is 0, discovery is complete and a rescan of the bus can
3461 sc->wait_for_port_enable = 0;
3462 sc->port_enable_complete = 1;
3463 wakeup(&sc->port_enable_complete);
3464 mprsas_startup_decrement(sassc);
3468 mprsas_check_id(struct mprsas_softc *sassc, int id)
3470 struct mpr_softc *sc = sassc->sc;
3474 ids = &sc->exclude_ids[0];
3475 while((name = strsep(&ids, ",")) != NULL) {
3476 if (name[0] == '\0')
3478 if (strtol(name, NULL, 0) == (long)id)