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);
768 /* Run the task queue with lowest priority */
769 taskqueue_start_threads(&sassc->ev_tq, 1, 255, "%s taskq",
770 device_get_nameunit(sc->mpr_dev));
775 * XXX There should be a bus for every port on the adapter, but since
776 * we're just going to fake the topology for now, we'll pretend that
777 * everything is just a target on a single bus.
779 if ((error = xpt_bus_register(sassc->sim, sc->mpr_dev, 0)) != 0) {
780 mpr_dprint(sc, MPR_ERROR, "Error %d registering SCSI bus\n",
787 * Assume that discovery events will start right away. Freezing
789 * Hold off boot until discovery is complete.
791 sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY;
792 sc->sassc->startup_refcount = 0;
793 mprsas_startup_increment(sassc);
795 callout_init(&sassc->discovery_callout, 1 /*mprafe*/);
800 * Register for async events so we can determine the EEDP
801 * capabilities of devices.
803 status = xpt_create_path(&sassc->path, /*periph*/NULL,
804 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
806 if (status != CAM_REQ_CMP) {
807 mpr_printf(sc, "Error %#x creating sim path\n", status);
812 #if (__FreeBSD_version >= 1000006) || \
813 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
814 event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE;
816 event = AC_FOUND_DEVICE;
820 * Prior to the CAM locking improvements, we can't call
821 * xpt_register_async() with a particular path specified.
823 * If a path isn't specified, xpt_register_async() will
824 * generate a wildcard path and acquire the XPT lock while
825 * it calls xpt_action() to execute the XPT_SASYNC_CB CCB.
826 * It will then drop the XPT lock once that is done.
828 * If a path is specified for xpt_register_async(), it will
829 * not acquire and drop the XPT lock around the call to
830 * xpt_action(). xpt_action() asserts that the caller
831 * holds the SIM lock, so the SIM lock has to be held when
832 * calling xpt_register_async() when the path is specified.
834 * But xpt_register_async calls xpt_for_all_devices(),
835 * which calls xptbustraverse(), which will acquire each
836 * SIM lock. When it traverses our particular bus, it will
837 * necessarily acquire the SIM lock, which will lead to a
838 * recursive lock acquisition.
840 * The CAM locking changes fix this problem by acquiring
841 * the XPT topology lock around bus traversal in
842 * xptbustraverse(), so the caller can hold the SIM lock
843 * and it does not cause a recursive lock acquisition.
845 * These __FreeBSD_version values are approximate, especially
846 * for stable/10, which is two months later than the actual
850 #if (__FreeBSD_version < 1000703) || \
851 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
853 status = xpt_register_async(event, mprsas_async, sc,
857 status = xpt_register_async(event, mprsas_async, sc,
861 if (status != CAM_REQ_CMP) {
862 mpr_dprint(sc, MPR_ERROR,
863 "Error %#x registering async handler for "
864 "AC_ADVINFO_CHANGED events\n", status);
865 xpt_free_path(sassc->path);
869 if (status != CAM_REQ_CMP) {
871 * EEDP use is the exception, not the rule.
872 * Warn the user, but do not fail to attach.
874 mpr_printf(sc, "EEDP capabilities disabled.\n");
879 mprsas_register_events(sc);
887 mpr_detach_sas(struct mpr_softc *sc)
889 struct mprsas_softc *sassc;
890 struct mprsas_lun *lun, *lun_tmp;
891 struct mprsas_target *targ;
896 if (sc->sassc == NULL)
900 mpr_deregister_events(sc, sassc->mprsas_eh);
903 * Drain and free the event handling taskqueue with the lock
904 * unheld so that any parallel processing tasks drain properly
905 * without deadlocking.
907 if (sassc->ev_tq != NULL)
908 taskqueue_free(sassc->ev_tq);
910 /* Make sure CAM doesn't wedge if we had to bail out early. */
913 /* Deregister our async handler */
914 if (sassc->path != NULL) {
915 xpt_register_async(0, mprsas_async, sc, sassc->path);
916 xpt_free_path(sassc->path);
920 if (sassc->flags & MPRSAS_IN_STARTUP)
921 xpt_release_simq(sassc->sim, 1);
923 if (sassc->sim != NULL) {
924 xpt_bus_deregister(cam_sim_path(sassc->sim));
925 cam_sim_free(sassc->sim, FALSE);
928 sassc->flags |= MPRSAS_SHUTDOWN;
931 if (sassc->devq != NULL)
932 cam_simq_free(sassc->devq);
934 for (i = 0; i < sassc->maxtargets; i++) {
935 targ = &sassc->targets[i];
936 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
940 free(sassc->targets, M_MPR);
948 mprsas_discovery_end(struct mprsas_softc *sassc)
950 struct mpr_softc *sc = sassc->sc;
954 if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING)
955 callout_stop(&sassc->discovery_callout);
960 mprsas_action(struct cam_sim *sim, union ccb *ccb)
962 struct mprsas_softc *sassc;
964 sassc = cam_sim_softc(sim);
966 MPR_FUNCTRACE(sassc->sc);
967 mpr_dprint(sassc->sc, MPR_TRACE, "%s func 0x%x\n", __func__,
968 ccb->ccb_h.func_code);
969 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
971 switch (ccb->ccb_h.func_code) {
974 struct ccb_pathinq *cpi = &ccb->cpi;
976 cpi->version_num = 1;
977 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
978 cpi->target_sprt = 0;
979 #if (__FreeBSD_version >= 1000039) || \
980 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
981 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN;
983 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
985 cpi->hba_eng_cnt = 0;
986 cpi->max_target = sassc->maxtargets - 1;
988 cpi->initiator_id = sassc->maxtargets - 1;
989 strncpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
990 strncpy(cpi->hba_vid, "LSILogic", HBA_IDLEN);
991 strncpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
992 cpi->unit_number = cam_sim_unit(sim);
993 cpi->bus_id = cam_sim_bus(sim);
995 * XXXSLM-I think this needs to change based on config page or
996 * something instead of hardcoded to 150000.
998 cpi->base_transfer_speed = 150000;
999 cpi->transport = XPORT_SAS;
1000 cpi->transport_version = 0;
1001 cpi->protocol = PROTO_SCSI;
1002 cpi->protocol_version = SCSI_REV_SPC;
1003 #if __FreeBSD_version >= 800001
1005 * XXXSLM-probably need to base this number on max SGL's and
1008 cpi->maxio = 256 * 1024;
1010 cpi->ccb_h.status = CAM_REQ_CMP;
1013 case XPT_GET_TRAN_SETTINGS:
1015 struct ccb_trans_settings *cts;
1016 struct ccb_trans_settings_sas *sas;
1017 struct ccb_trans_settings_scsi *scsi;
1018 struct mprsas_target *targ;
1021 sas = &cts->xport_specific.sas;
1022 scsi = &cts->proto_specific.scsi;
1024 KASSERT(cts->ccb_h.target_id < sassc->maxtargets,
1025 ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n",
1026 cts->ccb_h.target_id));
1027 targ = &sassc->targets[cts->ccb_h.target_id];
1028 if (targ->handle == 0x0) {
1029 cts->ccb_h.status = CAM_DEV_NOT_THERE;
1033 cts->protocol_version = SCSI_REV_SPC2;
1034 cts->transport = XPORT_SAS;
1035 cts->transport_version = 0;
1037 sas->valid = CTS_SAS_VALID_SPEED;
1038 switch (targ->linkrate) {
1040 sas->bitrate = 150000;
1043 sas->bitrate = 300000;
1046 sas->bitrate = 600000;
1052 cts->protocol = PROTO_SCSI;
1053 scsi->valid = CTS_SCSI_VALID_TQ;
1054 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1056 cts->ccb_h.status = CAM_REQ_CMP;
1059 case XPT_CALC_GEOMETRY:
1060 cam_calc_geometry(&ccb->ccg, /*extended*/1);
1061 ccb->ccb_h.status = CAM_REQ_CMP;
1064 mpr_dprint(sassc->sc, MPR_XINFO,
1065 "mprsas_action XPT_RESET_DEV\n");
1066 mprsas_action_resetdev(sassc, ccb);
1071 mpr_dprint(sassc->sc, MPR_XINFO,
1072 "mprsas_action faking success for abort or reset\n");
1073 ccb->ccb_h.status = CAM_REQ_CMP;
1076 mprsas_action_scsiio(sassc, ccb);
1078 #if __FreeBSD_version >= 900026
1080 mprsas_action_smpio(sassc, ccb);
1084 ccb->ccb_h.status = CAM_FUNC_NOTAVAIL;
1092 mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code,
1093 target_id_t target_id, lun_id_t lun_id)
1095 path_id_t path_id = cam_sim_path(sc->sassc->sim);
1096 struct cam_path *path;
1098 mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__,
1099 ac_code, target_id, (uintmax_t)lun_id);
1101 if (xpt_create_path(&path, NULL,
1102 path_id, target_id, lun_id) != CAM_REQ_CMP) {
1103 mpr_dprint(sc, MPR_ERROR, "unable to create path for reset "
1108 xpt_async(ac_code, path, NULL);
1109 xpt_free_path(path);
1113 mprsas_complete_all_commands(struct mpr_softc *sc)
1115 struct mpr_command *cm;
1120 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1122 /* complete all commands with a NULL reply */
1123 for (i = 1; i < sc->num_reqs; i++) {
1124 cm = &sc->commands[i];
1125 cm->cm_reply = NULL;
1128 if (cm->cm_flags & MPR_CM_FLAGS_POLLED)
1129 cm->cm_flags |= MPR_CM_FLAGS_COMPLETE;
1131 if (cm->cm_complete != NULL) {
1132 mprsas_log_command(cm, MPR_RECOVERY,
1133 "completing cm %p state %x ccb %p for diag reset\n",
1134 cm, cm->cm_state, cm->cm_ccb);
1135 cm->cm_complete(sc, cm);
1139 if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) {
1140 mprsas_log_command(cm, MPR_RECOVERY,
1141 "waking up cm %p state %x ccb %p for diag reset\n",
1142 cm, cm->cm_state, cm->cm_ccb);
1147 if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) {
1148 /* this should never happen, but if it does, log */
1149 mprsas_log_command(cm, MPR_RECOVERY,
1150 "cm %p state %x flags 0x%x ccb %p during diag "
1151 "reset\n", cm, cm->cm_state, cm->cm_flags,
1158 mprsas_handle_reinit(struct mpr_softc *sc)
1162 /* Go back into startup mode and freeze the simq, so that CAM
1163 * doesn't send any commands until after we've rediscovered all
1164 * targets and found the proper device handles for them.
1166 * After the reset, portenable will trigger discovery, and after all
1167 * discovery-related activities have finished, the simq will be
1170 mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__);
1171 sc->sassc->flags |= MPRSAS_IN_STARTUP;
1172 sc->sassc->flags |= MPRSAS_IN_DISCOVERY;
1173 mprsas_startup_increment(sc->sassc);
1175 /* notify CAM of a bus reset */
1176 mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD,
1179 /* complete and cleanup after all outstanding commands */
1180 mprsas_complete_all_commands(sc);
1182 mpr_dprint(sc, MPR_INIT, "%s startup %u tm %u after command "
1183 "completion\n", __func__, sc->sassc->startup_refcount,
1184 sc->sassc->tm_count);
1186 /* zero all the target handles, since they may change after the
1187 * reset, and we have to rediscover all the targets and use the new
1190 for (i = 0; i < sc->sassc->maxtargets; i++) {
1191 if (sc->sassc->targets[i].outstanding != 0)
1192 mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n",
1193 i, sc->sassc->targets[i].outstanding);
1194 sc->sassc->targets[i].handle = 0x0;
1195 sc->sassc->targets[i].exp_dev_handle = 0x0;
1196 sc->sassc->targets[i].outstanding = 0;
1197 sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET;
1201 mprsas_tm_timeout(void *data)
1203 struct mpr_command *tm = data;
1204 struct mpr_softc *sc = tm->cm_sc;
1206 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1208 mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY,
1209 "task mgmt %p timed out\n", tm);
1214 mprsas_logical_unit_reset_complete(struct mpr_softc *sc,
1215 struct mpr_command *tm)
1217 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1218 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1219 unsigned int cm_count = 0;
1220 struct mpr_command *cm;
1221 struct mprsas_target *targ;
1223 callout_stop(&tm->cm_callout);
1225 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1226 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1230 * Currently there should be no way we can hit this case. It only
1231 * happens when we have a failure to allocate chain frames, and
1232 * task management commands don't have S/G lists.
1234 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1235 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for LUN reset! "
1236 "This should not happen!\n", __func__, tm->cm_flags);
1237 mprsas_free_tm(sc, tm);
1241 if (reply == NULL) {
1242 mprsas_log_command(tm, MPR_RECOVERY,
1243 "NULL reset reply for tm %p\n", tm);
1244 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1245 /* this completion was due to a reset, just cleanup */
1246 targ->flags &= ~MPRSAS_TARGET_INRESET;
1248 mprsas_free_tm(sc, tm);
1251 /* we should have gotten a reply. */
1257 mprsas_log_command(tm, MPR_RECOVERY,
1258 "logical unit reset status 0x%x code 0x%x count %u\n",
1259 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1260 le32toh(reply->TerminationCount));
1262 /* See if there are any outstanding commands for this LUN.
1263 * This could be made more efficient by using a per-LU data
1264 * structure of some sort.
1266 TAILQ_FOREACH(cm, &targ->commands, cm_link) {
1267 if (cm->cm_lun == tm->cm_lun)
1271 if (cm_count == 0) {
1272 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1273 "logical unit %u finished recovery after reset\n",
1276 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1279 /* we've finished recovery for this logical unit. check and
1280 * see if some other logical unit has a timedout command
1281 * that needs to be processed.
1283 cm = TAILQ_FIRST(&targ->timedout_commands);
1285 mprsas_send_abort(sc, tm, cm);
1289 mprsas_free_tm(sc, tm);
1293 /* if we still have commands for this LUN, the reset
1294 * effectively failed, regardless of the status reported.
1295 * Escalate to a target reset.
1297 mprsas_log_command(tm, MPR_RECOVERY,
1298 "logical unit reset complete for tm %p, but still have %u "
1299 "command(s)\n", tm, cm_count);
1300 mprsas_send_reset(sc, tm,
1301 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1306 mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm)
1308 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1309 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1310 struct mprsas_target *targ;
1312 callout_stop(&tm->cm_callout);
1314 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1315 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1319 * Currently there should be no way we can hit this case. It only
1320 * happens when we have a failure to allocate chain frames, and
1321 * task management commands don't have S/G lists.
1323 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1324 mpr_dprint(sc, MPR_ERROR,"%s: cm_flags = %#x for target reset! "
1325 "This should not happen!\n", __func__, tm->cm_flags);
1326 mprsas_free_tm(sc, tm);
1330 if (reply == NULL) {
1331 mprsas_log_command(tm, MPR_RECOVERY,
1332 "NULL reset reply for tm %p\n", tm);
1333 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1334 /* this completion was due to a reset, just cleanup */
1335 targ->flags &= ~MPRSAS_TARGET_INRESET;
1337 mprsas_free_tm(sc, tm);
1340 /* we should have gotten a reply. */
1346 mprsas_log_command(tm, MPR_RECOVERY,
1347 "target reset status 0x%x code 0x%x count %u\n",
1348 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1349 le32toh(reply->TerminationCount));
1351 targ->flags &= ~MPRSAS_TARGET_INRESET;
1353 if (targ->outstanding == 0) {
1354 /* we've finished recovery for this target and all
1355 * of its logical units.
1357 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1358 "recovery finished after target reset\n");
1360 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1364 mprsas_free_tm(sc, tm);
1367 /* after a target reset, if this target still has
1368 * outstanding commands, the reset effectively failed,
1369 * regardless of the status reported. escalate.
1371 mprsas_log_command(tm, MPR_RECOVERY,
1372 "target reset complete for tm %p, but still have %u "
1373 "command(s)\n", tm, targ->outstanding);
1378 #define MPR_RESET_TIMEOUT 30
1381 mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type)
1383 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1384 struct mprsas_target *target;
1387 target = tm->cm_targ;
1388 if (target->handle == 0) {
1389 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n",
1390 __func__, target->tid);
1394 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1395 req->DevHandle = htole16(target->handle);
1396 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1397 req->TaskType = type;
1399 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) {
1400 /* XXX Need to handle invalid LUNs */
1401 MPR_SET_LUN(req->LUN, tm->cm_lun);
1402 tm->cm_targ->logical_unit_resets++;
1403 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1404 "sending logical unit reset\n");
1405 tm->cm_complete = mprsas_logical_unit_reset_complete;
1407 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1409 * Target reset method =
1410 * SAS Hard Link Reset / SATA Link Reset
1412 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
1413 tm->cm_targ->target_resets++;
1414 tm->cm_targ->flags |= MPRSAS_TARGET_INRESET;
1415 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1416 "sending target reset\n");
1417 tm->cm_complete = mprsas_target_reset_complete;
1420 mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type);
1424 mpr_dprint(sc, MPR_XINFO, "to target %u handle 0x%04x\n", target->tid,
1426 if (target->encl_level_valid) {
1427 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
1428 "connector name (%4s)\n", target->encl_level,
1429 target->encl_slot, target->connector_name);
1433 tm->cm_desc.HighPriority.RequestFlags =
1434 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1435 tm->cm_complete_data = (void *)tm;
1437 callout_reset(&tm->cm_callout, MPR_RESET_TIMEOUT * hz,
1438 mprsas_tm_timeout, tm);
1440 err = mpr_map_command(sc, tm);
1442 mprsas_log_command(tm, MPR_RECOVERY,
1443 "error %d sending reset type %u\n",
1451 mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm)
1453 struct mpr_command *cm;
1454 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1455 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1456 struct mprsas_target *targ;
1458 callout_stop(&tm->cm_callout);
1460 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1461 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1465 * Currently there should be no way we can hit this case. It only
1466 * happens when we have a failure to allocate chain frames, and
1467 * task management commands don't have S/G lists.
1469 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1470 mprsas_log_command(tm, MPR_RECOVERY,
1471 "cm_flags = %#x for abort %p TaskMID %u!\n",
1472 tm->cm_flags, tm, le16toh(req->TaskMID));
1473 mprsas_free_tm(sc, tm);
1477 if (reply == NULL) {
1478 mprsas_log_command(tm, MPR_RECOVERY,
1479 "NULL abort reply for tm %p TaskMID %u\n",
1480 tm, le16toh(req->TaskMID));
1481 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1482 /* this completion was due to a reset, just cleanup */
1484 mprsas_free_tm(sc, tm);
1487 /* we should have gotten a reply. */
1493 mprsas_log_command(tm, MPR_RECOVERY,
1494 "abort TaskMID %u status 0x%x code 0x%x count %u\n",
1495 le16toh(req->TaskMID),
1496 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1497 le32toh(reply->TerminationCount));
1499 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands);
1501 /* if there are no more timedout commands, we're done with
1502 * error recovery for this target.
1504 mprsas_log_command(tm, MPR_RECOVERY,
1505 "finished recovery after aborting TaskMID %u\n",
1506 le16toh(req->TaskMID));
1509 mprsas_free_tm(sc, tm);
1511 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) {
1512 /* abort success, but we have more timedout commands to abort */
1513 mprsas_log_command(tm, MPR_RECOVERY,
1514 "continuing recovery after aborting TaskMID %u\n",
1515 le16toh(req->TaskMID));
1517 mprsas_send_abort(sc, tm, cm);
1520 /* we didn't get a command completion, so the abort
1521 * failed as far as we're concerned. escalate.
1523 mprsas_log_command(tm, MPR_RECOVERY,
1524 "abort failed for TaskMID %u tm %p\n",
1525 le16toh(req->TaskMID), tm);
1527 mprsas_send_reset(sc, tm,
1528 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET);
1532 #define MPR_ABORT_TIMEOUT 5
1535 mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm,
1536 struct mpr_command *cm)
1538 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1539 struct mprsas_target *targ;
1543 if (targ->handle == 0) {
1544 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n",
1545 __func__, cm->cm_ccb->ccb_h.target_id);
1549 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1550 "Aborting command %p\n", cm);
1552 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1553 req->DevHandle = htole16(targ->handle);
1554 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1555 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1557 /* XXX Need to handle invalid LUNs */
1558 MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun);
1560 req->TaskMID = htole16(cm->cm_desc.Default.SMID);
1563 tm->cm_desc.HighPriority.RequestFlags =
1564 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1565 tm->cm_complete = mprsas_abort_complete;
1566 tm->cm_complete_data = (void *)tm;
1567 tm->cm_targ = cm->cm_targ;
1568 tm->cm_lun = cm->cm_lun;
1570 callout_reset(&tm->cm_callout, MPR_ABORT_TIMEOUT * hz,
1571 mprsas_tm_timeout, tm);
1575 err = mpr_map_command(sc, tm);
1577 mprsas_log_command(tm, MPR_RECOVERY,
1578 "error %d sending abort for cm %p SMID %u\n",
1579 err, cm, req->TaskMID);
1585 mprsas_scsiio_timeout(void *data)
1587 struct mpr_softc *sc;
1588 struct mpr_command *cm;
1589 struct mprsas_target *targ;
1591 cm = (struct mpr_command *)data;
1595 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1597 mpr_dprint(sc, MPR_XINFO, "Timeout checking cm %p\n", cm);
1600 * Run the interrupt handler to make sure it's not pending. This
1601 * isn't perfect because the command could have already completed
1602 * and been re-used, though this is unlikely.
1604 mpr_intr_locked(sc);
1605 if (cm->cm_state == MPR_CM_STATE_FREE) {
1606 mprsas_log_command(cm, MPR_XINFO,
1607 "SCSI command %p almost timed out\n", cm);
1611 if (cm->cm_ccb == NULL) {
1612 mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n");
1619 mprsas_log_command(cm, MPR_XINFO, "command timeout cm %p ccb %p "
1620 "target %u, handle(0x%04x)\n", cm, cm->cm_ccb, targ->tid,
1622 if (targ->encl_level_valid) {
1623 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
1624 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
1625 targ->connector_name);
1628 /* XXX first, check the firmware state, to see if it's still
1629 * operational. if not, do a diag reset.
1632 cm->cm_ccb->ccb_h.status = CAM_CMD_TIMEOUT;
1633 cm->cm_state = MPR_CM_STATE_TIMEDOUT;
1634 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery);
1636 if (targ->tm != NULL) {
1637 /* target already in recovery, just queue up another
1638 * timedout command to be processed later.
1640 mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for "
1641 "processing by tm %p\n", cm, targ->tm);
1643 else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1644 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n",
1647 /* start recovery by aborting the first timedout command */
1648 mprsas_send_abort(sc, targ->tm, cm);
1651 /* XXX queue this target up for recovery once a TM becomes
1652 * available. The firmware only has a limited number of
1653 * HighPriority credits for the high priority requests used
1654 * for task management, and we ran out.
1656 * Isilon: don't worry about this for now, since we have
1657 * more credits than disks in an enclosure, and limit
1658 * ourselves to one TM per target for recovery.
1660 mpr_dprint(sc, MPR_RECOVERY,
1661 "timedout cm %p failed to allocate a tm\n", cm);
1666 mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb)
1668 MPI2_SCSI_IO_REQUEST *req;
1669 struct ccb_scsiio *csio;
1670 struct mpr_softc *sc;
1671 struct mprsas_target *targ;
1672 struct mprsas_lun *lun;
1673 struct mpr_command *cm;
1674 uint8_t i, lba_byte, *ref_tag_addr;
1675 uint16_t eedp_flags;
1676 uint32_t mpi_control;
1680 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1683 targ = &sassc->targets[csio->ccb_h.target_id];
1684 mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags);
1685 if (targ->handle == 0x0) {
1686 mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n",
1687 __func__, csio->ccb_h.target_id);
1688 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1692 if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) {
1693 mpr_dprint(sc, MPR_TRACE, "%s Raid component no SCSI IO "
1694 "supported %u\n", __func__, csio->ccb_h.target_id);
1695 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1700 * Sometimes, it is possible to get a command that is not "In
1701 * Progress" and was actually aborted by the upper layer. Check for
1702 * this here and complete the command without error.
1704 if (ccb->ccb_h.status != CAM_REQ_INPROG) {
1705 mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for "
1706 "target %u\n", __func__, csio->ccb_h.target_id);
1711 * If devinfo is 0 this will be a volume. In that case don't tell CAM
1712 * that the volume has timed out. We want volumes to be enumerated
1713 * until they are deleted/removed, not just failed.
1715 if (targ->flags & MPRSAS_TARGET_INREMOVAL) {
1716 if (targ->devinfo == 0)
1717 csio->ccb_h.status = CAM_REQ_CMP;
1719 csio->ccb_h.status = CAM_SEL_TIMEOUT;
1724 if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) {
1725 mpr_dprint(sc, MPR_TRACE, "%s shutting down\n", __func__);
1726 csio->ccb_h.status = CAM_DEV_NOT_THERE;
1731 cm = mpr_alloc_command(sc);
1732 if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) {
1734 mpr_free_command(sc, cm);
1736 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
1737 xpt_freeze_simq(sassc->sim, 1);
1738 sassc->flags |= MPRSAS_QUEUE_FROZEN;
1740 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1741 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1746 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1747 bzero(req, sizeof(*req));
1748 req->DevHandle = htole16(targ->handle);
1749 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1751 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
1752 req->SenseBufferLength = MPR_SENSE_LEN;
1754 req->ChainOffset = 0;
1755 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
1760 req->DataLength = htole32(csio->dxfer_len);
1761 req->BidirectionalDataLength = 0;
1762 req->IoFlags = htole16(csio->cdb_len);
1765 /* Note: BiDirectional transfers are not supported */
1766 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
1768 mpi_control = MPI2_SCSIIO_CONTROL_READ;
1769 cm->cm_flags |= MPR_CM_FLAGS_DATAIN;
1772 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
1773 cm->cm_flags |= MPR_CM_FLAGS_DATAOUT;
1777 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
1781 if (csio->cdb_len == 32)
1782 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
1784 * It looks like the hardware doesn't require an explicit tag
1785 * number for each transaction. SAM Task Management not supported
1788 switch (csio->tag_action) {
1789 case MSG_HEAD_OF_Q_TAG:
1790 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
1792 case MSG_ORDERED_Q_TAG:
1793 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
1796 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ;
1798 case CAM_TAG_ACTION_NONE:
1799 case MSG_SIMPLE_Q_TAG:
1801 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
1804 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits;
1805 req->Control = htole32(mpi_control);
1807 if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
1808 mpr_free_command(sc, cm);
1809 ccb->ccb_h.status = CAM_LUN_INVALID;
1814 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1815 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
1817 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
1818 req->IoFlags = htole16(csio->cdb_len);
1821 * Check if EEDP is supported and enabled. If it is then check if the
1822 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and
1823 * is formatted for EEDP support. If all of this is true, set CDB up
1824 * for EEDP transfer.
1826 eedp_flags = op_code_prot[req->CDB.CDB32[0]];
1827 if (sc->eedp_enabled && eedp_flags) {
1828 SLIST_FOREACH(lun, &targ->luns, lun_link) {
1829 if (lun->lun_id == csio->ccb_h.target_lun) {
1834 if ((lun != NULL) && (lun->eedp_formatted)) {
1835 req->EEDPBlockSize = htole16(lun->eedp_block_size);
1836 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
1837 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
1838 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
1839 req->EEDPFlags = htole16(eedp_flags);
1842 * If CDB less than 32, fill in Primary Ref Tag with
1843 * low 4 bytes of LBA. If CDB is 32, tag stuff is
1844 * already there. Also, set protection bit. FreeBSD
1845 * currently does not support CDBs bigger than 16, but
1846 * the code doesn't hurt, and will be here for the
1849 if (csio->cdb_len != 32) {
1850 lba_byte = (csio->cdb_len == 16) ? 6 : 2;
1851 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32.
1852 PrimaryReferenceTag;
1853 for (i = 0; i < 4; i++) {
1855 req->CDB.CDB32[lba_byte + i];
1858 req->CDB.EEDP32.PrimaryReferenceTag =
1860 CDB.EEDP32.PrimaryReferenceTag);
1861 req->CDB.EEDP32.PrimaryApplicationTagMask =
1863 req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) |
1867 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG;
1868 req->EEDPFlags = htole16(eedp_flags);
1869 req->CDB.CDB32[10] = (req->CDB.CDB32[10] &
1875 cm->cm_length = csio->dxfer_len;
1876 if (cm->cm_length != 0) {
1878 cm->cm_flags |= MPR_CM_FLAGS_USE_CCB;
1882 cm->cm_sge = &req->SGL;
1883 cm->cm_sglsize = (32 - 24) * 4;
1884 cm->cm_complete = mprsas_scsiio_complete;
1885 cm->cm_complete_data = ccb;
1887 cm->cm_lun = csio->ccb_h.target_lun;
1890 * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0)
1891 * and set descriptor type.
1893 if (targ->scsi_req_desc_type ==
1894 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) {
1895 req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH;
1896 cm->cm_desc.FastPathSCSIIO.RequestFlags =
1897 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
1898 cm->cm_desc.FastPathSCSIIO.DevHandle = htole16(targ->handle);
1900 cm->cm_desc.SCSIIO.RequestFlags =
1901 MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1902 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle);
1905 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
1906 mprsas_scsiio_timeout, cm);
1909 targ->outstanding++;
1910 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
1911 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1913 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n",
1914 __func__, cm, ccb, targ->outstanding);
1916 mpr_map_command(sc, cm);
1921 mpr_response_code(struct mpr_softc *sc, u8 response_code)
1925 switch (response_code) {
1926 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1927 desc = "task management request completed";
1929 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1930 desc = "invalid frame";
1932 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1933 desc = "task management request not supported";
1935 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1936 desc = "task management request failed";
1938 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1939 desc = "task management request succeeded";
1941 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1942 desc = "invalid lun";
1945 desc = "overlapped tag attempted";
1947 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1948 desc = "task queued, however not sent to target";
1954 mpr_dprint(sc, MPR_XINFO, "response_code(0x%01x): %s\n", response_code,
1959 * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request
1962 mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio,
1963 Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ)
1967 u16 ioc_status = le16toh(mpi_reply->IOCStatus) &
1968 MPI2_IOCSTATUS_MASK;
1969 u8 scsi_state = mpi_reply->SCSIState;
1970 u8 scsi_status = mpi_reply->SCSIStatus;
1971 char *desc_ioc_state = NULL;
1972 char *desc_scsi_status = NULL;
1973 char *desc_scsi_state = sc->tmp_string;
1974 u32 log_info = le32toh(mpi_reply->IOCLogInfo);
1976 if (log_info == 0x31170000)
1979 switch (ioc_status) {
1980 case MPI2_IOCSTATUS_SUCCESS:
1981 desc_ioc_state = "success";
1983 case MPI2_IOCSTATUS_INVALID_FUNCTION:
1984 desc_ioc_state = "invalid function";
1986 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
1987 desc_ioc_state = "scsi recovered error";
1989 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
1990 desc_ioc_state = "scsi invalid dev handle";
1992 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
1993 desc_ioc_state = "scsi device not there";
1995 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
1996 desc_ioc_state = "scsi data overrun";
1998 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
1999 desc_ioc_state = "scsi data underrun";
2001 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2002 desc_ioc_state = "scsi io data error";
2004 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2005 desc_ioc_state = "scsi protocol error";
2007 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2008 desc_ioc_state = "scsi task terminated";
2010 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2011 desc_ioc_state = "scsi residual mismatch";
2013 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2014 desc_ioc_state = "scsi task mgmt failed";
2016 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2017 desc_ioc_state = "scsi ioc terminated";
2019 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2020 desc_ioc_state = "scsi ext terminated";
2022 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2023 desc_ioc_state = "eedp guard error";
2025 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2026 desc_ioc_state = "eedp ref tag error";
2028 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2029 desc_ioc_state = "eedp app tag error";
2032 desc_ioc_state = "unknown";
2036 switch (scsi_status) {
2037 case MPI2_SCSI_STATUS_GOOD:
2038 desc_scsi_status = "good";
2040 case MPI2_SCSI_STATUS_CHECK_CONDITION:
2041 desc_scsi_status = "check condition";
2043 case MPI2_SCSI_STATUS_CONDITION_MET:
2044 desc_scsi_status = "condition met";
2046 case MPI2_SCSI_STATUS_BUSY:
2047 desc_scsi_status = "busy";
2049 case MPI2_SCSI_STATUS_INTERMEDIATE:
2050 desc_scsi_status = "intermediate";
2052 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2053 desc_scsi_status = "intermediate condmet";
2055 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2056 desc_scsi_status = "reservation conflict";
2058 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2059 desc_scsi_status = "command terminated";
2061 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2062 desc_scsi_status = "task set full";
2064 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2065 desc_scsi_status = "aca active";
2067 case MPI2_SCSI_STATUS_TASK_ABORTED:
2068 desc_scsi_status = "task aborted";
2071 desc_scsi_status = "unknown";
2075 desc_scsi_state[0] = '\0';
2077 desc_scsi_state = " ";
2078 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2079 strcat(desc_scsi_state, "response info ");
2080 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2081 strcat(desc_scsi_state, "state terminated ");
2082 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2083 strcat(desc_scsi_state, "no status ");
2084 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2085 strcat(desc_scsi_state, "autosense failed ");
2086 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2087 strcat(desc_scsi_state, "autosense valid ");
2089 mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n",
2090 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status);
2091 if (targ->encl_level_valid) {
2092 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
2093 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
2094 targ->connector_name);
2096 /* We can add more detail about underflow data here
2099 mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), "
2100 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status,
2101 desc_scsi_state, scsi_state);
2103 if (sc->mpr_debug & MPR_XINFO &&
2104 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2105 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n");
2106 scsi_sense_print(csio);
2107 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n");
2110 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2111 response_info = le32toh(mpi_reply->ResponseInfo);
2112 response_bytes = (u8 *)&response_info;
2113 mpr_response_code(sc,response_bytes[0]);
2118 mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2120 MPI2_SCSI_IO_REPLY *rep;
2122 struct ccb_scsiio *csio;
2123 struct mprsas_softc *sassc;
2124 struct scsi_vpd_supported_page_list *vpd_list = NULL;
2125 u8 *TLR_bits, TLR_on;
2130 mpr_dprint(sc, MPR_TRACE,
2131 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm,
2132 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply,
2133 cm->cm_targ->outstanding);
2135 callout_stop(&cm->cm_callout);
2136 mtx_assert(&sc->mpr_mtx, MA_OWNED);
2139 ccb = cm->cm_complete_data;
2141 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
2143 * XXX KDM if the chain allocation fails, does it matter if we do
2144 * the sync and unload here? It is simpler to do it in every case,
2145 * assuming it doesn't cause problems.
2147 if (cm->cm_data != NULL) {
2148 if (cm->cm_flags & MPR_CM_FLAGS_DATAIN)
2149 dir = BUS_DMASYNC_POSTREAD;
2150 else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT)
2151 dir = BUS_DMASYNC_POSTWRITE;
2152 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
2153 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2156 cm->cm_targ->completed++;
2157 cm->cm_targ->outstanding--;
2158 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link);
2159 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED);
2161 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) {
2162 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery);
2163 if (cm->cm_reply != NULL)
2164 mprsas_log_command(cm, MPR_RECOVERY,
2165 "completed timedout cm %p ccb %p during recovery "
2166 "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb,
2167 le16toh(rep->IOCStatus), rep->SCSIStatus,
2168 rep->SCSIState, le32toh(rep->TransferCount));
2170 mprsas_log_command(cm, MPR_RECOVERY,
2171 "completed timedout cm %p ccb %p during recovery\n",
2173 } else if (cm->cm_targ->tm != NULL) {
2174 if (cm->cm_reply != NULL)
2175 mprsas_log_command(cm, MPR_RECOVERY,
2176 "completed cm %p ccb %p during recovery "
2177 "ioc %x scsi %x state %x xfer %u\n",
2178 cm, cm->cm_ccb, le16toh(rep->IOCStatus),
2179 rep->SCSIStatus, rep->SCSIState,
2180 le32toh(rep->TransferCount));
2182 mprsas_log_command(cm, MPR_RECOVERY,
2183 "completed cm %p ccb %p during recovery\n",
2185 } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
2186 mprsas_log_command(cm, MPR_RECOVERY,
2187 "reset completed cm %p ccb %p\n", cm, cm->cm_ccb);
2190 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2192 * We ran into an error after we tried to map the command,
2193 * so we're getting a callback without queueing the command
2194 * to the hardware. So we set the status here, and it will
2195 * be retained below. We'll go through the "fast path",
2196 * because there can be no reply when we haven't actually
2197 * gone out to the hardware.
2199 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2202 * Currently the only error included in the mask is
2203 * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of
2204 * chain frames. We need to freeze the queue until we get
2205 * a command that completed without this error, which will
2206 * hopefully have some chain frames attached that we can
2207 * use. If we wanted to get smarter about it, we would
2208 * only unfreeze the queue in this condition when we're
2209 * sure that we're getting some chain frames back. That's
2210 * probably unnecessary.
2212 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
2213 xpt_freeze_simq(sassc->sim, 1);
2214 sassc->flags |= MPRSAS_QUEUE_FROZEN;
2215 mpr_dprint(sc, MPR_INFO, "Error sending command, "
2216 "freezing SIM queue\n");
2221 * If this is a Start Stop Unit command and it was issued by the driver
2222 * during shutdown, decrement the refcount to account for all of the
2223 * commands that were sent. All SSU commands should be completed before
2224 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started
2227 if (sc->SSU_started && (csio->cdb_io.cdb_bytes[0] == START_STOP_UNIT)) {
2228 mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n");
2232 /* Take the fast path to completion */
2233 if (cm->cm_reply == NULL) {
2234 if ((ccb->ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_INPROG) {
2235 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0)
2236 ccb->ccb_h.status = CAM_SCSI_BUS_RESET;
2238 ccb->ccb_h.status = CAM_REQ_CMP;
2239 ccb->csio.scsi_status = SCSI_STATUS_OK;
2241 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2242 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2243 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2244 mpr_dprint(sc, MPR_XINFO,
2245 "Unfreezing SIM queue\n");
2250 * There are two scenarios where the status won't be
2251 * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is
2252 * set, the second is in the MPR_FLAGS_DIAGRESET above.
2254 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2256 * Freeze the dev queue so that commands are
2257 * executed in the correct order with after error
2260 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2261 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2263 mpr_free_command(sc, cm);
2268 mprsas_log_command(cm, MPR_XINFO,
2269 "ioc %x scsi %x state %x xfer %u\n",
2270 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2271 le32toh(rep->TransferCount));
2273 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
2274 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2275 csio->resid = cm->cm_length - le32toh(rep->TransferCount);
2277 case MPI2_IOCSTATUS_SUCCESS:
2278 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2280 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
2281 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR)
2282 mprsas_log_command(cm, MPR_XINFO, "recovered error\n");
2284 /* Completion failed at the transport level. */
2285 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS |
2286 MPI2_SCSI_STATE_TERMINATED)) {
2287 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2291 /* In a modern packetized environment, an autosense failure
2292 * implies that there's not much else that can be done to
2293 * recover the command.
2295 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) {
2296 ccb->ccb_h.status = CAM_AUTOSENSE_FAIL;
2301 * CAM doesn't care about SAS Response Info data, but if this is
2302 * the state check if TLR should be done. If not, clear the
2303 * TLR_bits for the target.
2305 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) &&
2306 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE)
2307 == MPR_SCSI_RI_INVALID_FRAME)) {
2308 sc->mapping_table[csio->ccb_h.target_id].TLR_bits =
2309 (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2313 * Intentionally override the normal SCSI status reporting
2314 * for these two cases. These are likely to happen in a
2315 * multi-initiator environment, and we want to make sure that
2316 * CAM retries these commands rather than fail them.
2318 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) ||
2319 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) {
2320 ccb->ccb_h.status = CAM_REQ_ABORTED;
2324 /* Handle normal status and sense */
2325 csio->scsi_status = rep->SCSIStatus;
2326 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD)
2327 ccb->ccb_h.status = CAM_REQ_CMP;
2329 ccb->ccb_h.status = CAM_SCSI_STATUS_ERROR;
2331 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2332 int sense_len, returned_sense_len;
2334 returned_sense_len = min(le32toh(rep->SenseCount),
2335 sizeof(struct scsi_sense_data));
2336 if (returned_sense_len < csio->sense_len)
2337 csio->sense_resid = csio->sense_len -
2340 csio->sense_resid = 0;
2342 sense_len = min(returned_sense_len,
2343 csio->sense_len - csio->sense_resid);
2344 bzero(&csio->sense_data, sizeof(csio->sense_data));
2345 bcopy(cm->cm_sense, &csio->sense_data, sense_len);
2346 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2350 * Check if this is an INQUIRY command. If it's a VPD inquiry,
2351 * and it's page code 0 (Supported Page List), and there is
2352 * inquiry data, and this is for a sequential access device, and
2353 * the device is an SSP target, and TLR is supported by the
2354 * controller, turn the TLR_bits value ON if page 0x90 is
2357 if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
2358 (csio->cdb_io.cdb_bytes[1] & SI_EVPD) &&
2359 (csio->cdb_io.cdb_bytes[2] == SVPD_SUPPORTED_PAGE_LIST) &&
2360 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
2361 (csio->data_ptr != NULL) &&
2362 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) &&
2363 (sc->control_TLR) &&
2364 (sc->mapping_table[csio->ccb_h.target_id].device_info &
2365 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) {
2366 vpd_list = (struct scsi_vpd_supported_page_list *)
2368 TLR_bits = &sc->mapping_table[csio->ccb_h.target_id].
2370 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2371 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON;
2372 alloc_len = ((u16)csio->cdb_io.cdb_bytes[3] << 8) +
2373 csio->cdb_io.cdb_bytes[4];
2374 alloc_len -= csio->resid;
2375 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) {
2376 if (vpd_list->list[i] == 0x90) {
2383 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2384 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2386 * If devinfo is 0 this will be a volume. In that case don't
2387 * tell CAM that the volume is not there. We want volumes to
2388 * be enumerated until they are deleted/removed, not just
2391 if (cm->cm_targ->devinfo == 0)
2392 ccb->ccb_h.status = CAM_REQ_CMP;
2394 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2396 case MPI2_IOCSTATUS_INVALID_SGL:
2397 mpr_print_scsiio_cmd(sc, cm);
2398 ccb->ccb_h.status = CAM_UNREC_HBA_ERROR;
2400 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2402 * This is one of the responses that comes back when an I/O
2403 * has been aborted. If it is because of a timeout that we
2404 * initiated, just set the status to CAM_CMD_TIMEOUT.
2405 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
2406 * command is the same (it gets retried, subject to the
2407 * retry counter), the only difference is what gets printed
2410 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT)
2411 ccb->ccb_h.status = CAM_CMD_TIMEOUT;
2413 ccb->ccb_h.status = CAM_REQ_ABORTED;
2415 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2416 /* resid is ignored for this condition */
2418 ccb->ccb_h.status = CAM_DATA_RUN_ERR;
2420 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2421 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2423 * Since these are generally external (i.e. hopefully
2424 * transient transport-related) errors, retry these without
2425 * decrementing the retry count.
2427 ccb->ccb_h.status = CAM_REQUEUE_REQ;
2428 mprsas_log_command(cm, MPR_INFO,
2429 "terminated ioc %x scsi %x state %x xfer %u\n",
2430 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2431 le32toh(rep->TransferCount));
2433 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2434 case MPI2_IOCSTATUS_INTERNAL_ERROR:
2435 case MPI2_IOCSTATUS_INVALID_VPID:
2436 case MPI2_IOCSTATUS_INVALID_FIELD:
2437 case MPI2_IOCSTATUS_INVALID_STATE:
2438 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
2439 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2440 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2441 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2442 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2444 mprsas_log_command(cm, MPR_XINFO,
2445 "completed ioc %x scsi %x state %x xfer %u\n",
2446 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2447 le32toh(rep->TransferCount));
2448 csio->resid = cm->cm_length;
2449 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2453 mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ);
2455 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2456 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2457 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2458 mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM "
2462 if ((ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP) {
2463 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2464 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2467 mpr_free_command(sc, cm);
2471 #if __FreeBSD_version >= 900026
2473 mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2475 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
2476 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2480 ccb = cm->cm_complete_data;
2483 * Currently there should be no way we can hit this case. It only
2484 * happens when we have a failure to allocate chain frames, and SMP
2485 * commands require two S/G elements only. That should be handled
2486 * in the standard request size.
2488 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2489 mpr_dprint(sc, MPR_ERROR,"%s: cm_flags = %#x on SMP request!\n",
2490 __func__, cm->cm_flags);
2491 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2495 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
2497 mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__);
2498 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2502 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2503 sasaddr = le32toh(req->SASAddress.Low);
2504 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
2506 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
2507 MPI2_IOCSTATUS_SUCCESS ||
2508 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
2509 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n",
2510 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus);
2511 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2515 mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address "
2516 "%#jx completed successfully\n", __func__, (uintmax_t)sasaddr);
2518 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
2519 ccb->ccb_h.status = CAM_REQ_CMP;
2521 ccb->ccb_h.status = CAM_SMP_STATUS_ERROR;
2525 * We sync in both directions because we had DMAs in the S/G list
2526 * in both directions.
2528 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
2529 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2530 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2531 mpr_free_command(sc, cm);
2536 mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb,
2539 struct mpr_command *cm;
2540 uint8_t *request, *response;
2541 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2542 struct mpr_softc *sc;
2550 #if (__FreeBSD_version >= 1000028) || \
2551 ((__FreeBSD_version >= 902001) && (__FreeBSD_version < 1000000))
2552 switch (ccb->ccb_h.flags & CAM_DATA_MASK) {
2553 case CAM_DATA_PADDR:
2554 case CAM_DATA_SG_PADDR:
2556 * XXX We don't yet support physical addresses here.
2558 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not "
2559 "supported\n", __func__);
2560 ccb->ccb_h.status = CAM_REQ_INVALID;
2565 * The chip does not support more than one buffer for the
2566 * request or response.
2568 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2569 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2570 mpr_dprint(sc, MPR_ERROR,
2571 "%s: multiple request or response buffer segments "
2572 "not supported for SMP\n", __func__);
2573 ccb->ccb_h.status = CAM_REQ_INVALID;
2579 * The CAM_SCATTER_VALID flag was originally implemented
2580 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2581 * We have two. So, just take that flag to mean that we
2582 * might have S/G lists, and look at the S/G segment count
2583 * to figure out whether that is the case for each individual
2586 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2587 bus_dma_segment_t *req_sg;
2589 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2590 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2592 request = ccb->smpio.smp_request;
2594 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2595 bus_dma_segment_t *rsp_sg;
2597 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2598 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2600 response = ccb->smpio.smp_response;
2602 case CAM_DATA_VADDR:
2603 request = ccb->smpio.smp_request;
2604 response = ccb->smpio.smp_response;
2607 ccb->ccb_h.status = CAM_REQ_INVALID;
2611 #else /* __FreeBSD_version < 1000028 */
2613 * XXX We don't yet support physical addresses here.
2615 if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) {
2616 mpr_printf(sc, "%s: physical addresses not supported\n",
2618 ccb->ccb_h.status = CAM_REQ_INVALID;
2624 * If the user wants to send an S/G list, check to make sure they
2625 * have single buffers.
2627 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
2629 * The chip does not support more than one buffer for the
2630 * request or response.
2632 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2633 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2634 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or "
2635 "response buffer segments not supported for SMP\n",
2637 ccb->ccb_h.status = CAM_REQ_INVALID;
2643 * The CAM_SCATTER_VALID flag was originally implemented
2644 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2645 * We have two. So, just take that flag to mean that we
2646 * might have S/G lists, and look at the S/G segment count
2647 * to figure out whether that is the case for each individual
2650 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2651 bus_dma_segment_t *req_sg;
2653 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2654 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2656 request = ccb->smpio.smp_request;
2658 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2659 bus_dma_segment_t *rsp_sg;
2661 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2662 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2664 response = ccb->smpio.smp_response;
2666 request = ccb->smpio.smp_request;
2667 response = ccb->smpio.smp_response;
2669 #endif /* __FreeBSD_version < 1000028 */
2671 cm = mpr_alloc_command(sc);
2673 mpr_dprint(sc, MPR_ERROR,
2674 "%s: cannot allocate command\n", __func__);
2675 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2680 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2681 bzero(req, sizeof(*req));
2682 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
2684 /* Allow the chip to use any route to this SAS address. */
2685 req->PhysicalPort = 0xff;
2687 req->RequestDataLength = htole16(ccb->smpio.smp_request_len);
2689 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
2691 mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address "
2692 "%#jx\n", __func__, (uintmax_t)sasaddr);
2694 mpr_init_sge(cm, req, &req->SGL);
2697 * Set up a uio to pass into mpr_map_command(). This allows us to
2698 * do one map command, and one busdma call in there.
2700 cm->cm_uio.uio_iov = cm->cm_iovec;
2701 cm->cm_uio.uio_iovcnt = 2;
2702 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
2705 * The read/write flag isn't used by busdma, but set it just in
2706 * case. This isn't exactly accurate, either, since we're going in
2709 cm->cm_uio.uio_rw = UIO_WRITE;
2711 cm->cm_iovec[0].iov_base = request;
2712 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength);
2713 cm->cm_iovec[1].iov_base = response;
2714 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
2716 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
2717 cm->cm_iovec[1].iov_len;
2720 * Trigger a warning message in mpr_data_cb() for the user if we
2721 * wind up exceeding two S/G segments. The chip expects one
2722 * segment for the request and another for the response.
2724 cm->cm_max_segs = 2;
2726 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2727 cm->cm_complete = mprsas_smpio_complete;
2728 cm->cm_complete_data = ccb;
2731 * Tell the mapping code that we're using a uio, and that this is
2732 * an SMP passthrough request. There is a little special-case
2733 * logic there (in mpr_data_cb()) to handle the bidirectional
2736 cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS |
2737 MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT;
2739 /* The chip data format is little endian. */
2740 req->SASAddress.High = htole32(sasaddr >> 32);
2741 req->SASAddress.Low = htole32(sasaddr);
2744 * XXX Note that we don't have a timeout/abort mechanism here.
2745 * From the manual, it looks like task management requests only
2746 * work for SCSI IO and SATA passthrough requests. We may need to
2747 * have a mechanism to retry requests in the event of a chip reset
2748 * at least. Hopefully the chip will insure that any errors short
2749 * of that are relayed back to the driver.
2751 error = mpr_map_command(sc, cm);
2752 if ((error != 0) && (error != EINPROGRESS)) {
2753 mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from "
2754 "mpr_map_command()\n", __func__, error);
2761 mpr_free_command(sc, cm);
2762 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2768 mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb)
2770 struct mpr_softc *sc;
2771 struct mprsas_target *targ;
2772 uint64_t sasaddr = 0;
2777 * Make sure the target exists.
2779 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
2780 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id));
2781 targ = &sassc->targets[ccb->ccb_h.target_id];
2782 if (targ->handle == 0x0) {
2783 mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n",
2784 __func__, ccb->ccb_h.target_id);
2785 ccb->ccb_h.status = CAM_SEL_TIMEOUT;
2791 * If this device has an embedded SMP target, we'll talk to it
2793 * figure out what the expander's address is.
2795 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
2796 sasaddr = targ->sasaddr;
2799 * If we don't have a SAS address for the expander yet, try
2800 * grabbing it from the page 0x83 information cached in the
2801 * transport layer for this target. LSI expanders report the
2802 * expander SAS address as the port-associated SAS address in
2803 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
2806 * XXX KDM disable this for now, but leave it commented out so that
2807 * it is obvious that this is another possible way to get the SAS
2810 * The parent handle method below is a little more reliable, and
2811 * the other benefit is that it works for devices other than SES
2812 * devices. So you can send a SMP request to a da(4) device and it
2813 * will get routed to the expander that device is attached to.
2814 * (Assuming the da(4) device doesn't contain an SMP target...)
2818 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
2822 * If we still don't have a SAS address for the expander, look for
2823 * the parent device of this device, which is probably the expander.
2826 #ifdef OLD_MPR_PROBE
2827 struct mprsas_target *parent_target;
2830 if (targ->parent_handle == 0x0) {
2831 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
2832 "a valid parent handle!\n", __func__, targ->handle);
2833 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2836 #ifdef OLD_MPR_PROBE
2837 parent_target = mprsas_find_target_by_handle(sassc, 0,
2838 targ->parent_handle);
2840 if (parent_target == NULL) {
2841 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
2842 "a valid parent target!\n", __func__, targ->handle);
2843 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2847 if ((parent_target->devinfo &
2848 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
2849 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
2850 "does not have an SMP target!\n", __func__,
2851 targ->handle, parent_target->handle);
2852 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2857 sasaddr = parent_target->sasaddr;
2858 #else /* OLD_MPR_PROBE */
2859 if ((targ->parent_devinfo &
2860 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
2861 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
2862 "does not have an SMP target!\n", __func__,
2863 targ->handle, targ->parent_handle);
2864 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2868 if (targ->parent_sasaddr == 0x0) {
2869 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle "
2870 "%d does not have a valid SAS address!\n", __func__,
2871 targ->handle, targ->parent_handle);
2872 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2876 sasaddr = targ->parent_sasaddr;
2877 #endif /* OLD_MPR_PROBE */
2882 mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for "
2883 "handle %d\n", __func__, targ->handle);
2884 ccb->ccb_h.status = CAM_DEV_NOT_THERE;
2887 mprsas_send_smpcmd(sassc, ccb, sasaddr);
2895 #endif //__FreeBSD_version >= 900026
2898 mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb)
2900 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2901 struct mpr_softc *sc;
2902 struct mpr_command *tm;
2903 struct mprsas_target *targ;
2905 MPR_FUNCTRACE(sassc->sc);
2906 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
2908 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
2909 ("Target %d out of bounds in XPT_RESET_DEV\n",
2910 ccb->ccb_h.target_id));
2912 tm = mpr_alloc_command(sc);
2914 mpr_dprint(sc, MPR_ERROR,
2915 "command alloc failure in mprsas_action_resetdev\n");
2916 ccb->ccb_h.status = CAM_RESRC_UNAVAIL;
2921 targ = &sassc->targets[ccb->ccb_h.target_id];
2922 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
2923 req->DevHandle = htole16(targ->handle);
2924 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
2925 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
2927 /* SAS Hard Link Reset / SATA Link Reset */
2928 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
2931 tm->cm_desc.HighPriority.RequestFlags =
2932 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
2933 tm->cm_complete = mprsas_resetdev_complete;
2934 tm->cm_complete_data = ccb;
2936 mpr_map_command(sc, tm);
2940 mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm)
2942 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
2946 mtx_assert(&sc->mpr_mtx, MA_OWNED);
2948 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
2949 ccb = tm->cm_complete_data;
2952 * Currently there should be no way we can hit this case. It only
2953 * happens when we have a failure to allocate chain frames, and
2954 * task management commands don't have S/G lists.
2956 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2957 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
2959 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
2961 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of "
2962 "handle %#04x! This should not happen!\n", __func__,
2963 tm->cm_flags, req->DevHandle);
2964 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2968 mpr_dprint(sc, MPR_XINFO,
2969 "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", __func__,
2970 le16toh(resp->IOCStatus), le32toh(resp->ResponseCode));
2972 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
2973 ccb->ccb_h.status = CAM_REQ_CMP;
2974 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
2978 ccb->ccb_h.status = CAM_REQ_CMP_ERR;
2982 mprsas_free_tm(sc, tm);
2987 mprsas_poll(struct cam_sim *sim)
2989 struct mprsas_softc *sassc;
2991 sassc = cam_sim_softc(sim);
2993 if (sassc->sc->mpr_debug & MPR_TRACE) {
2994 /* frequent debug messages during a panic just slow
2995 * everything down too much.
2997 mpr_printf(sassc->sc, "%s clearing MPR_TRACE\n", __func__);
2998 sassc->sc->mpr_debug &= ~MPR_TRACE;
3001 mpr_intr_locked(sassc->sc);
3005 mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path,
3008 struct mpr_softc *sc;
3010 sc = (struct mpr_softc *)callback_arg;
3013 #if (__FreeBSD_version >= 1000006) || \
3014 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
3015 case AC_ADVINFO_CHANGED: {
3016 struct mprsas_target *target;
3017 struct mprsas_softc *sassc;
3018 struct scsi_read_capacity_data_long rcap_buf;
3019 struct ccb_dev_advinfo cdai;
3020 struct mprsas_lun *lun;
3025 buftype = (uintptr_t)arg;
3031 * We're only interested in read capacity data changes.
3033 if (buftype != CDAI_TYPE_RCAPLONG)
3037 * See the comment in mpr_attach_sas() for a detailed
3038 * explanation. In these versions of FreeBSD we register
3039 * for all events and filter out the events that don't
3042 #if (__FreeBSD_version < 1000703) || \
3043 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3044 if (xpt_path_path_id(path) != sassc->sim->path_id)
3049 * We should have a handle for this, but check to make sure.
3051 KASSERT(xpt_path_target_id(path) < sassc->maxtargets,
3052 ("Target %d out of bounds in mprsas_async\n",
3053 xpt_path_target_id(path)));
3054 target = &sassc->targets[xpt_path_target_id(path)];
3055 if (target->handle == 0)
3058 lunid = xpt_path_lun_id(path);
3060 SLIST_FOREACH(lun, &target->luns, lun_link) {
3061 if (lun->lun_id == lunid) {
3067 if (found_lun == 0) {
3068 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3071 mpr_dprint(sc, MPR_ERROR, "Unable to alloc "
3072 "LUN for EEDP support.\n");
3075 lun->lun_id = lunid;
3076 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3079 bzero(&rcap_buf, sizeof(rcap_buf));
3080 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL);
3081 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3082 cdai.ccb_h.flags = CAM_DIR_IN;
3083 cdai.buftype = CDAI_TYPE_RCAPLONG;
3085 cdai.bufsiz = sizeof(rcap_buf);
3086 cdai.buf = (uint8_t *)&rcap_buf;
3087 xpt_action((union ccb *)&cdai);
3088 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3089 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3091 if (((cdai.ccb_h.status & CAM_STATUS_MASK) == CAM_REQ_CMP)
3092 && (rcap_buf.prot & SRC16_PROT_EN)) {
3093 lun->eedp_formatted = TRUE;
3094 lun->eedp_block_size = scsi_4btoul(rcap_buf.length);
3096 lun->eedp_formatted = FALSE;
3097 lun->eedp_block_size = 0;
3102 case AC_FOUND_DEVICE: {
3103 struct ccb_getdev *cgd;
3106 * See the comment in mpr_attach_sas() for a detailed
3107 * explanation. In these versions of FreeBSD we register
3108 * for all events and filter out the events that don't
3111 #if (__FreeBSD_version < 1000703) || \
3112 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3113 if (xpt_path_path_id(path) != sc->sassc->sim->path_id)
3118 mprsas_prepare_ssu(sc, path, cgd);
3120 #if (__FreeBSD_version < 901503) || \
3121 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3122 mprsas_check_eedp(sc, path, cgd);
3132 mprsas_prepare_ssu(struct mpr_softc *sc, struct cam_path *path,
3133 struct ccb_getdev *cgd)
3135 struct mprsas_softc *sassc = sc->sassc;
3137 target_id_t targetid;
3139 struct mprsas_target *target;
3140 struct mprsas_lun *lun;
3144 pathid = cam_sim_path(sassc->sim);
3145 targetid = xpt_path_target_id(path);
3146 lunid = xpt_path_lun_id(path);
3148 KASSERT(targetid < sassc->maxtargets,
3149 ("Target %d out of bounds in mprsas_prepare_ssu\n", targetid));
3150 target = &sassc->targets[targetid];
3151 if (target->handle == 0x0)
3155 * If LUN is already in list, don't create a new one.
3158 SLIST_FOREACH(lun, &target->luns, lun_link) {
3159 if (lun->lun_id == lunid) {
3165 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3168 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for "
3169 "preparing SSU.\n");
3172 lun->lun_id = lunid;
3173 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3177 * If this is a SATA direct-access end device, mark it so that a SCSI
3178 * StartStopUnit command will be sent to it when the driver is being
3181 if (((cgd->inq_data.device & 0x1F) == T_DIRECT) &&
3182 (target->devinfo & MPI2_SAS_DEVICE_INFO_SATA_DEVICE) &&
3183 ((target->devinfo & MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) ==
3184 MPI2_SAS_DEVICE_INFO_END_DEVICE)) {
3185 lun->stop_at_shutdown = TRUE;
3189 #if (__FreeBSD_version < 901503) || \
3190 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3192 mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path,
3193 struct ccb_getdev *cgd)
3195 struct mprsas_softc *sassc = sc->sassc;
3196 struct ccb_scsiio *csio;
3197 struct scsi_read_capacity_16 *scsi_cmd;
3198 struct scsi_read_capacity_eedp *rcap_buf;
3200 target_id_t targetid;
3203 struct cam_path *local_path;
3204 struct mprsas_target *target;
3205 struct mprsas_lun *lun;
3210 pathid = cam_sim_path(sassc->sim);
3211 targetid = xpt_path_target_id(path);
3212 lunid = xpt_path_lun_id(path);
3214 KASSERT(targetid < sassc->maxtargets,
3215 ("Target %d out of bounds in mprsas_check_eedp\n", targetid));
3216 target = &sassc->targets[targetid];
3217 if (target->handle == 0x0)
3221 * Determine if the device is EEDP capable.
3223 * If this flag is set in the inquiry data, the device supports
3224 * protection information, and must support the 16 byte read capacity
3225 * command, otherwise continue without sending read cap 16
3227 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0)
3231 * Issue a READ CAPACITY 16 command. This info is used to determine if
3232 * the LUN is formatted for EEDP support.
3234 ccb = xpt_alloc_ccb_nowait();
3236 mpr_dprint(sc, MPR_ERROR, "Unable to alloc CCB for EEDP "
3241 if (xpt_create_path(&local_path, xpt_periph, pathid, targetid, lunid)
3243 mpr_dprint(sc, MPR_ERROR, "Unable to create path for EEDP "
3250 * If LUN is already in list, don't create a new one.
3253 SLIST_FOREACH(lun, &target->luns, lun_link) {
3254 if (lun->lun_id == lunid) {
3260 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3263 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for "
3265 xpt_free_path(local_path);
3269 lun->lun_id = lunid;
3270 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3273 xpt_path_string(local_path, path_str, sizeof(path_str));
3274 mpr_dprint(sc, MPR_INFO, "Sending read cap: path %s handle %d\n",
3275 path_str, target->handle);
3278 * Issue a READ CAPACITY 16 command for the LUN. The
3279 * mprsas_read_cap_done function will load the read cap info into the
3282 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp), M_MPR,
3284 if (rcap_buf == NULL) {
3285 mpr_dprint(sc, MPR_FAULT, "Unable to alloc read capacity "
3286 "buffer for EEDP support.\n");
3287 xpt_free_path(ccb->ccb_h.path);
3291 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT);
3293 csio->ccb_h.func_code = XPT_SCSI_IO;
3294 csio->ccb_h.flags = CAM_DIR_IN;
3295 csio->ccb_h.retry_count = 4;
3296 csio->ccb_h.cbfcnp = mprsas_read_cap_done;
3297 csio->ccb_h.timeout = 60000;
3298 csio->data_ptr = (uint8_t *)rcap_buf;
3299 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp);
3300 csio->sense_len = MPR_SENSE_LEN;
3301 csio->cdb_len = sizeof(*scsi_cmd);
3302 csio->tag_action = MSG_SIMPLE_Q_TAG;
3304 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
3305 bzero(scsi_cmd, sizeof(*scsi_cmd));
3306 scsi_cmd->opcode = 0x9E;
3307 scsi_cmd->service_action = SRC16_SERVICE_ACTION;
3308 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp);
3310 ccb->ccb_h.ppriv_ptr1 = sassc;
3315 mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb)
3317 struct mprsas_softc *sassc;
3318 struct mprsas_target *target;
3319 struct mprsas_lun *lun;
3320 struct scsi_read_capacity_eedp *rcap_buf;
3322 if (done_ccb == NULL)
3325 /* Driver need to release devq, it Scsi command is
3326 * generated by driver internally.
3327 * Currently there is a single place where driver
3328 * calls scsi command internally. In future if driver
3329 * calls more scsi command internally, it needs to release
3330 * devq internally, since those command will not go back to
3333 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) {
3334 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3335 xpt_release_devq(done_ccb->ccb_h.path,
3336 /*count*/ 1, /*run_queue*/TRUE);
3339 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr;
3342 * Get the LUN ID for the path and look it up in the LUN list for the
3345 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
3346 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets,
3347 ("Target %d out of bounds in mprsas_read_cap_done\n",
3348 done_ccb->ccb_h.target_id));
3349 target = &sassc->targets[done_ccb->ccb_h.target_id];
3350 SLIST_FOREACH(lun, &target->luns, lun_link) {
3351 if (lun->lun_id != done_ccb->ccb_h.target_lun)
3355 * Got the LUN in the target's LUN list. Fill it in with EEDP
3356 * info. If the READ CAP 16 command had some SCSI error (common
3357 * if command is not supported), mark the lun as not supporting
3358 * EEDP and set the block size to 0.
3360 if (((done_ccb->ccb_h.status & CAM_STATUS_MASK) != CAM_REQ_CMP)
3361 || (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) {
3362 lun->eedp_formatted = FALSE;
3363 lun->eedp_block_size = 0;
3367 if (rcap_buf->protect & 0x01) {
3368 mpr_dprint(sassc->sc, MPR_INFO, "LUN %d for "
3369 "target ID %d is formatted for EEDP "
3370 "support.\n", done_ccb->ccb_h.target_lun,
3371 done_ccb->ccb_h.target_id);
3372 lun->eedp_formatted = TRUE;
3373 lun->eedp_block_size = scsi_4btoul(rcap_buf->length);
3378 // Finished with this CCB and path.
3379 free(rcap_buf, M_MPR);
3380 xpt_free_path(done_ccb->ccb_h.path);
3381 xpt_free_ccb(done_ccb);
3383 #endif /* (__FreeBSD_version < 901503) || \
3384 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */
3387 mprsas_startup(struct mpr_softc *sc)
3390 * Send the port enable message and set the wait_for_port_enable flag.
3391 * This flag helps to keep the simq frozen until all discovery events
3394 sc->wait_for_port_enable = 1;
3395 mprsas_send_portenable(sc);
3400 mprsas_send_portenable(struct mpr_softc *sc)
3402 MPI2_PORT_ENABLE_REQUEST *request;
3403 struct mpr_command *cm;
3407 if ((cm = mpr_alloc_command(sc)) == NULL)
3409 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req;
3410 request->Function = MPI2_FUNCTION_PORT_ENABLE;
3411 request->MsgFlags = 0;
3413 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3414 cm->cm_complete = mprsas_portenable_complete;
3418 mpr_map_command(sc, cm);
3419 mpr_dprint(sc, MPR_XINFO,
3420 "mpr_send_portenable finished cm %p req %p complete %p\n",
3421 cm, cm->cm_req, cm->cm_complete);
3426 mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm)
3428 MPI2_PORT_ENABLE_REPLY *reply;
3429 struct mprsas_softc *sassc;
3435 * Currently there should be no way we can hit this case. It only
3436 * happens when we have a failure to allocate chain frames, and
3437 * port enable commands don't have S/G lists.
3439 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
3440 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! "
3441 "This should not happen!\n", __func__, cm->cm_flags);
3444 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply;
3446 mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n");
3447 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) !=
3448 MPI2_IOCSTATUS_SUCCESS)
3449 mpr_dprint(sc, MPR_FAULT, "Portenable failed\n");
3451 mpr_free_command(sc, cm);
3452 if (sc->mpr_ich.ich_arg != NULL) {
3453 mpr_dprint(sc, MPR_XINFO, "disestablish config intrhook\n");
3454 config_intrhook_disestablish(&sc->mpr_ich);
3455 sc->mpr_ich.ich_arg = NULL;
3459 * Done waiting for port enable to complete. Decrement the refcount.
3460 * If refcount is 0, discovery is complete and a rescan of the bus can
3463 sc->wait_for_port_enable = 0;
3464 sc->port_enable_complete = 1;
3465 wakeup(&sc->port_enable_complete);
3466 mprsas_startup_decrement(sassc);
3470 mprsas_check_id(struct mprsas_softc *sassc, int id)
3472 struct mpr_softc *sc = sassc->sc;
3476 ids = &sc->exclude_ids[0];
3477 while((name = strsep(&ids, ",")) != NULL) {
3478 if (name[0] == '\0')
3480 if (strtol(name, NULL, 0) == (long)id)