2 * Copyright (c) 2009 Yahoo! Inc.
3 * Copyright (c) 2011-2015 LSI Corp.
4 * Copyright (c) 2013-2015 Avago Technologies
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * Avago Technologies (LSI) MPT-Fusion Host Adapter FreeBSD
33 #include <sys/cdefs.h>
34 __FBSDID("$FreeBSD$");
36 /* Communications core for Avago Technologies (LSI) MPT2 */
38 /* TODO Move headers to mpsvar */
39 #include <sys/types.h>
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/selinfo.h>
44 #include <sys/module.h>
48 #include <sys/malloc.h>
50 #include <sys/sysctl.h>
51 #include <sys/endian.h>
52 #include <sys/queue.h>
53 #include <sys/kthread.h>
54 #include <sys/taskqueue.h>
57 #include <machine/bus.h>
58 #include <machine/resource.h>
61 #include <machine/stdarg.h>
64 #include <cam/cam_ccb.h>
65 #include <cam/cam_xpt.h>
66 #include <cam/cam_debug.h>
67 #include <cam/cam_sim.h>
68 #include <cam/cam_xpt_sim.h>
69 #include <cam/cam_xpt_periph.h>
70 #include <cam/cam_periph.h>
71 #include <cam/scsi/scsi_all.h>
72 #include <cam/scsi/scsi_message.h>
73 #if __FreeBSD_version >= 900026
74 #include <cam/scsi/smp_all.h>
77 #include <dev/mps/mpi/mpi2_type.h>
78 #include <dev/mps/mpi/mpi2.h>
79 #include <dev/mps/mpi/mpi2_ioc.h>
80 #include <dev/mps/mpi/mpi2_sas.h>
81 #include <dev/mps/mpi/mpi2_cnfg.h>
82 #include <dev/mps/mpi/mpi2_init.h>
83 #include <dev/mps/mpi/mpi2_tool.h>
84 #include <dev/mps/mps_ioctl.h>
85 #include <dev/mps/mpsvar.h>
86 #include <dev/mps/mps_table.h>
87 #include <dev/mps/mps_sas.h>
89 #define MPSSAS_DISCOVERY_TIMEOUT 20
90 #define MPSSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */
93 * static array to check SCSI OpCode for EEDP protection bits
95 #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
96 #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
97 #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
98 static uint8_t op_code_prot[256] = {
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, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
103 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
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, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
108 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
109 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
110 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
111 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
112 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
113 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
114 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
117 MALLOC_DEFINE(M_MPSSAS, "MPSSAS", "MPS SAS memory");
119 static void mpssas_remove_device(struct mps_softc *, struct mps_command *);
120 static void mpssas_remove_complete(struct mps_softc *, struct mps_command *);
121 static void mpssas_action(struct cam_sim *sim, union ccb *ccb);
122 static void mpssas_poll(struct cam_sim *sim);
123 static int mpssas_send_abort(struct mps_softc *sc, struct mps_command *tm,
124 struct mps_command *cm);
125 static void mpssas_scsiio_timeout(void *data);
126 static void mpssas_abort_complete(struct mps_softc *sc, struct mps_command *cm);
127 static void mpssas_direct_drive_io(struct mpssas_softc *sassc,
128 struct mps_command *cm, union ccb *ccb);
129 static void mpssas_action_scsiio(struct mpssas_softc *, union ccb *);
130 static void mpssas_scsiio_complete(struct mps_softc *, struct mps_command *);
131 static void mpssas_action_resetdev(struct mpssas_softc *, union ccb *);
132 #if __FreeBSD_version >= 900026
133 static void mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm);
134 static void mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb,
136 static void mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb);
137 #endif //FreeBSD_version >= 900026
138 static void mpssas_resetdev_complete(struct mps_softc *, struct mps_command *);
139 static void mpssas_async(void *callback_arg, uint32_t code,
140 struct cam_path *path, void *arg);
141 #if (__FreeBSD_version < 901503) || \
142 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
143 static void mpssas_check_eedp(struct mps_softc *sc, struct cam_path *path,
144 struct ccb_getdev *cgd);
145 static void mpssas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb);
147 static int mpssas_send_portenable(struct mps_softc *sc);
148 static void mpssas_portenable_complete(struct mps_softc *sc,
149 struct mps_command *cm);
151 struct mpssas_target *
152 mpssas_find_target_by_handle(struct mpssas_softc *sassc, int start, uint16_t handle)
154 struct mpssas_target *target;
157 for (i = start; i < sassc->maxtargets; i++) {
158 target = &sassc->targets[i];
159 if (target->handle == handle)
166 /* we need to freeze the simq during attach and diag reset, to avoid failing
167 * commands before device handles have been found by discovery. Since
168 * discovery involves reading config pages and possibly sending commands,
169 * discovery actions may continue even after we receive the end of discovery
170 * event, so refcount discovery actions instead of assuming we can unfreeze
171 * the simq when we get the event.
174 mpssas_startup_increment(struct mpssas_softc *sassc)
176 MPS_FUNCTRACE(sassc->sc);
178 if ((sassc->flags & MPSSAS_IN_STARTUP) != 0) {
179 if (sassc->startup_refcount++ == 0) {
180 /* just starting, freeze the simq */
181 mps_dprint(sassc->sc, MPS_INIT,
182 "%s freezing simq\n", __func__);
183 #if __FreeBSD_version >= 1000039
186 xpt_freeze_simq(sassc->sim, 1);
188 mps_dprint(sassc->sc, MPS_INIT, "%s refcount %u\n", __func__,
189 sassc->startup_refcount);
194 mpssas_release_simq_reinit(struct mpssas_softc *sassc)
196 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
197 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
198 xpt_release_simq(sassc->sim, 1);
199 mps_dprint(sassc->sc, MPS_INFO, "Unfreezing SIM queue\n");
204 mpssas_startup_decrement(struct mpssas_softc *sassc)
206 MPS_FUNCTRACE(sassc->sc);
208 if ((sassc->flags & MPSSAS_IN_STARTUP) != 0) {
209 if (--sassc->startup_refcount == 0) {
210 /* finished all discovery-related actions, release
211 * the simq and rescan for the latest topology.
213 mps_dprint(sassc->sc, MPS_INIT,
214 "%s releasing simq\n", __func__);
215 sassc->flags &= ~MPSSAS_IN_STARTUP;
216 xpt_release_simq(sassc->sim, 1);
217 #if __FreeBSD_version >= 1000039
220 mpssas_rescan_target(sassc->sc, NULL);
223 mps_dprint(sassc->sc, MPS_INIT, "%s refcount %u\n", __func__,
224 sassc->startup_refcount);
228 /* The firmware requires us to stop sending commands when we're doing task
229 * management, so refcount the TMs and keep the simq frozen when any are in
233 mpssas_alloc_tm(struct mps_softc *sc)
235 struct mps_command *tm;
237 tm = mps_alloc_high_priority_command(sc);
242 mpssas_free_tm(struct mps_softc *sc, struct mps_command *tm)
244 int target_id = 0xFFFFFFFF;
250 * For TM's the devq is frozen for the device. Unfreeze it here and
251 * free the resources used for freezing the devq. Must clear the
252 * INRESET flag as well or scsi I/O will not work.
254 if (tm->cm_targ != NULL) {
255 tm->cm_targ->flags &= ~MPSSAS_TARGET_INRESET;
256 target_id = tm->cm_targ->tid;
259 mps_dprint(sc, MPS_INFO, "Unfreezing devq for target ID %d\n",
261 xpt_release_devq(tm->cm_ccb->ccb_h.path, 1, TRUE);
262 xpt_free_path(tm->cm_ccb->ccb_h.path);
263 xpt_free_ccb(tm->cm_ccb);
266 mps_free_high_priority_command(sc, tm);
270 mpssas_rescan_target(struct mps_softc *sc, struct mpssas_target *targ)
272 struct mpssas_softc *sassc = sc->sassc;
274 target_id_t targetid;
278 pathid = cam_sim_path(sassc->sim);
280 targetid = CAM_TARGET_WILDCARD;
282 targetid = targ - sassc->targets;
285 * Allocate a CCB and schedule a rescan.
287 ccb = xpt_alloc_ccb_nowait();
289 mps_dprint(sc, MPS_ERROR, "unable to alloc CCB for rescan\n");
293 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid,
294 targetid, CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
295 mps_dprint(sc, MPS_ERROR, "unable to create path for rescan\n");
300 if (targetid == CAM_TARGET_WILDCARD)
301 ccb->ccb_h.func_code = XPT_SCAN_BUS;
303 ccb->ccb_h.func_code = XPT_SCAN_TGT;
305 mps_dprint(sc, MPS_TRACE, "%s targetid %u\n", __func__, targetid);
310 mpssas_log_command(struct mps_command *cm, u_int level, const char *fmt, ...)
320 /* No need to be in here if debugging isn't enabled */
321 if ((cm->cm_sc->mps_debug & level) == 0)
324 sbuf_new(&sb, str, sizeof(str), 0);
328 if (cm->cm_ccb != NULL) {
329 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str,
331 sbuf_cat(&sb, path_str);
332 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) {
333 scsi_command_string(&cm->cm_ccb->csio, &sb);
334 sbuf_printf(&sb, "length %d ",
335 cm->cm_ccb->csio.dxfer_len);
339 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ",
340 cam_sim_name(cm->cm_sc->sassc->sim),
341 cam_sim_unit(cm->cm_sc->sassc->sim),
342 cam_sim_bus(cm->cm_sc->sassc->sim),
343 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF,
347 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID);
348 sbuf_vprintf(&sb, fmt, ap);
350 mps_dprint_field(cm->cm_sc, level, "%s", sbuf_data(&sb));
357 mpssas_remove_volume(struct mps_softc *sc, struct mps_command *tm)
359 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
360 struct mpssas_target *targ;
365 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
366 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
370 /* XXX retry the remove after the diag reset completes? */
371 mps_dprint(sc, MPS_FAULT,
372 "%s NULL reply resetting device 0x%04x\n", __func__,
374 mpssas_free_tm(sc, tm);
378 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
379 MPI2_IOCSTATUS_SUCCESS) {
380 mps_dprint(sc, MPS_ERROR,
381 "IOCStatus = 0x%x while resetting device 0x%x\n",
382 le16toh(reply->IOCStatus), handle);
385 mps_dprint(sc, MPS_XINFO,
386 "Reset aborted %u commands\n", reply->TerminationCount);
387 mps_free_reply(sc, tm->cm_reply_data);
388 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
390 mps_dprint(sc, MPS_XINFO,
391 "clearing target %u handle 0x%04x\n", targ->tid, handle);
394 * Don't clear target if remove fails because things will get confusing.
395 * Leave the devname and sasaddr intact so that we know to avoid reusing
396 * this target id if possible, and so we can assign the same target id
397 * to this device if it comes back in the future.
399 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
400 MPI2_IOCSTATUS_SUCCESS) {
403 targ->encl_handle = 0x0;
404 targ->encl_slot = 0x0;
405 targ->exp_dev_handle = 0x0;
407 targ->linkrate = 0x0;
412 mpssas_free_tm(sc, tm);
417 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal.
418 * Otherwise Volume Delete is same as Bare Drive Removal.
421 mpssas_prepare_volume_remove(struct mpssas_softc *sassc, uint16_t handle)
423 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
424 struct mps_softc *sc;
425 struct mps_command *cm;
426 struct mpssas_target *targ = NULL;
428 MPS_FUNCTRACE(sassc->sc);
433 * If this is a WD controller, determine if the disk should be exposed
434 * to the OS or not. If disk should be exposed, return from this
435 * function without doing anything.
437 if (sc->WD_available && (sc->WD_hide_expose ==
438 MPS_WD_EXPOSE_ALWAYS)) {
443 targ = mpssas_find_target_by_handle(sassc, 0, handle);
445 /* FIXME: what is the action? */
446 /* We don't know about this device? */
447 mps_dprint(sc, MPS_ERROR,
448 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle);
452 targ->flags |= MPSSAS_TARGET_INREMOVAL;
454 cm = mpssas_alloc_tm(sc);
456 mps_dprint(sc, MPS_ERROR,
457 "%s: command alloc failure\n", __func__);
461 mpssas_rescan_target(sc, targ);
463 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
464 req->DevHandle = targ->handle;
465 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
466 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
468 /* SAS Hard Link Reset / SATA Link Reset */
469 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
473 cm->cm_desc.HighPriority.RequestFlags =
474 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
475 cm->cm_complete = mpssas_remove_volume;
476 cm->cm_complete_data = (void *)(uintptr_t)handle;
478 mps_dprint(sc, MPS_INFO, "%s: Sending reset for target ID %d\n",
479 __func__, targ->tid);
480 mpssas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD);
482 mps_map_command(sc, cm);
486 * The MPT2 firmware performs debounce on the link to avoid transient link
487 * errors and false removals. When it does decide that link has been lost
488 * and a device need to go away, it expects that the host will perform a
489 * target reset and then an op remove. The reset has the side-effect of
490 * aborting any outstanding requests for the device, which is required for
491 * the op-remove to succeed. It's not clear if the host should check for
492 * the device coming back alive after the reset.
495 mpssas_prepare_remove(struct mpssas_softc *sassc, uint16_t handle)
497 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
498 struct mps_softc *sc;
499 struct mps_command *cm;
500 struct mpssas_target *targ = NULL;
502 MPS_FUNCTRACE(sassc->sc);
506 targ = mpssas_find_target_by_handle(sassc, 0, handle);
508 /* FIXME: what is the action? */
509 /* We don't know about this device? */
510 mps_dprint(sc, MPS_ERROR,
511 "%s : invalid handle 0x%x \n", __func__, handle);
515 targ->flags |= MPSSAS_TARGET_INREMOVAL;
517 cm = mpssas_alloc_tm(sc);
519 mps_dprint(sc, MPS_ERROR,
520 "%s: command alloc failure\n", __func__);
524 mpssas_rescan_target(sc, targ);
526 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
527 memset(req, 0, sizeof(*req));
528 req->DevHandle = htole16(targ->handle);
529 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
530 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
532 /* SAS Hard Link Reset / SATA Link Reset */
533 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
537 cm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
538 cm->cm_complete = mpssas_remove_device;
539 cm->cm_complete_data = (void *)(uintptr_t)handle;
541 mps_dprint(sc, MPS_INFO, "%s: Sending reset for target ID %d\n",
542 __func__, targ->tid);
543 mpssas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD);
545 mps_map_command(sc, cm);
549 mpssas_remove_device(struct mps_softc *sc, struct mps_command *tm)
551 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
552 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req;
553 struct mpssas_target *targ;
554 struct mps_command *next_cm;
559 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
560 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
564 * Currently there should be no way we can hit this case. It only
565 * happens when we have a failure to allocate chain frames, and
566 * task management commands don't have S/G lists.
568 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
569 mps_dprint(sc, MPS_ERROR,
570 "%s: cm_flags = %#x for remove of handle %#04x! "
571 "This should not happen!\n", __func__, tm->cm_flags,
576 /* XXX retry the remove after the diag reset completes? */
577 mps_dprint(sc, MPS_FAULT,
578 "%s NULL reply resetting device 0x%04x\n", __func__,
580 mpssas_free_tm(sc, tm);
584 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
585 MPI2_IOCSTATUS_SUCCESS) {
586 mps_dprint(sc, MPS_ERROR,
587 "IOCStatus = 0x%x while resetting device 0x%x\n",
588 le16toh(reply->IOCStatus), handle);
591 mps_dprint(sc, MPS_XINFO, "Reset aborted %u commands\n",
592 le32toh(reply->TerminationCount));
593 mps_free_reply(sc, tm->cm_reply_data);
594 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
596 /* Reuse the existing command */
597 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req;
598 memset(req, 0, sizeof(*req));
599 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
600 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
601 req->DevHandle = htole16(handle);
603 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
604 tm->cm_complete = mpssas_remove_complete;
605 tm->cm_complete_data = (void *)(uintptr_t)handle;
607 mps_map_command(sc, tm);
609 mps_dprint(sc, MPS_XINFO, "clearing target %u handle 0x%04x\n",
611 TAILQ_FOREACH_SAFE(tm, &targ->commands, cm_link, next_cm) {
614 mps_dprint(sc, MPS_XINFO, "Completing missed command %p\n", tm);
615 ccb = tm->cm_complete_data;
616 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
617 mpssas_scsiio_complete(sc, tm);
622 mpssas_remove_complete(struct mps_softc *sc, struct mps_command *tm)
624 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply;
626 struct mpssas_target *targ;
627 struct mpssas_lun *lun;
631 reply = (MPI2_SAS_IOUNIT_CONTROL_REPLY *)tm->cm_reply;
632 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
635 * Currently there should be no way we can hit this case. It only
636 * happens when we have a failure to allocate chain frames, and
637 * task management commands don't have S/G lists.
639 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
640 mps_dprint(sc, MPS_XINFO,
641 "%s: cm_flags = %#x for remove of handle %#04x! "
642 "This should not happen!\n", __func__, tm->cm_flags,
644 mpssas_free_tm(sc, tm);
649 /* most likely a chip reset */
650 mps_dprint(sc, MPS_FAULT,
651 "%s NULL reply removing device 0x%04x\n", __func__, handle);
652 mpssas_free_tm(sc, tm);
656 mps_dprint(sc, MPS_XINFO,
657 "%s on handle 0x%04x, IOCStatus= 0x%x\n", __func__,
658 handle, le16toh(reply->IOCStatus));
661 * Don't clear target if remove fails because things will get confusing.
662 * Leave the devname and sasaddr intact so that we know to avoid reusing
663 * this target id if possible, and so we can assign the same target id
664 * to this device if it comes back in the future.
666 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
667 MPI2_IOCSTATUS_SUCCESS) {
670 targ->encl_handle = 0x0;
671 targ->encl_slot = 0x0;
672 targ->exp_dev_handle = 0x0;
674 targ->linkrate = 0x0;
678 while(!SLIST_EMPTY(&targ->luns)) {
679 lun = SLIST_FIRST(&targ->luns);
680 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
686 mpssas_free_tm(sc, tm);
690 mpssas_register_events(struct mps_softc *sc)
692 u32 events[MPI2_EVENT_NOTIFY_EVENTMASK_WORDS];
695 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
696 setbit(events, MPI2_EVENT_SAS_DISCOVERY);
697 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
698 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE);
699 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW);
700 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
701 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
702 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
703 setbit(events, MPI2_EVENT_IR_VOLUME);
704 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK);
705 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS);
706 setbit(events, MPI2_EVENT_LOG_ENTRY_ADDED);
708 mps_register_events(sc, events, mpssas_evt_handler, NULL,
709 &sc->sassc->mpssas_eh);
715 mps_attach_sas(struct mps_softc *sc)
717 struct mpssas_softc *sassc;
723 sassc = malloc(sizeof(struct mpssas_softc), M_MPT2, M_WAITOK|M_ZERO);
725 device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",
731 * XXX MaxTargets could change during a reinit. Since we don't
732 * resize the targets[] array during such an event, cache the value
733 * of MaxTargets here so that we don't get into trouble later. This
734 * should move into the reinit logic.
736 sassc->maxtargets = sc->facts->MaxTargets;
737 sassc->targets = malloc(sizeof(struct mpssas_target) *
738 sassc->maxtargets, M_MPT2, M_WAITOK|M_ZERO);
739 if(!sassc->targets) {
740 device_printf(sc->mps_dev, "Cannot allocate memory %s %d\n",
748 if ((sassc->devq = cam_simq_alloc(sc->num_reqs)) == NULL) {
749 mps_dprint(sc, MPS_ERROR, "Cannot allocate SIMQ\n");
754 unit = device_get_unit(sc->mps_dev);
755 sassc->sim = cam_sim_alloc(mpssas_action, mpssas_poll, "mps", sassc,
756 unit, &sc->mps_mtx, sc->num_reqs, sc->num_reqs, sassc->devq);
757 if (sassc->sim == NULL) {
758 mps_dprint(sc, MPS_ERROR, "Cannot allocate SIM\n");
763 TAILQ_INIT(&sassc->ev_queue);
765 /* Initialize taskqueue for Event Handling */
766 TASK_INIT(&sassc->ev_task, 0, mpssas_firmware_event_work, sc);
767 sassc->ev_tq = taskqueue_create("mps_taskq", M_NOWAIT | M_ZERO,
768 taskqueue_thread_enqueue, &sassc->ev_tq);
769 taskqueue_start_threads(&sassc->ev_tq, 1, PRIBIO, "%s taskq",
770 device_get_nameunit(sc->mps_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->mps_dev, 0)) != 0) {
780 mps_dprint(sc, MPS_ERROR, "Error %d registering SCSI bus\n",
787 * Assume that discovery events will start right away.
789 * Hold off boot until discovery is complete.
791 sassc->flags |= MPSSAS_IN_STARTUP | MPSSAS_IN_DISCOVERY;
792 sc->sassc->startup_refcount = 0;
793 mpssas_startup_increment(sassc);
795 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/);
798 * Register for async events so we can determine the EEDP
799 * capabilities of devices.
801 status = xpt_create_path(&sassc->path, /*periph*/NULL,
802 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
804 if (status != CAM_REQ_CMP) {
805 mps_printf(sc, "Error %#x creating sim path\n", status);
810 #if (__FreeBSD_version >= 1000006) || \
811 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
812 event = AC_ADVINFO_CHANGED;
814 event = AC_FOUND_DEVICE;
816 status = xpt_register_async(event, mpssas_async, sc,
818 if (status != CAM_REQ_CMP) {
819 mps_dprint(sc, MPS_ERROR,
820 "Error %#x registering async handler for "
821 "AC_ADVINFO_CHANGED events\n", status);
822 xpt_free_path(sassc->path);
826 if (status != CAM_REQ_CMP) {
828 * EEDP use is the exception, not the rule.
829 * Warn the user, but do not fail to attach.
831 mps_printf(sc, "EEDP capabilities disabled.\n");
836 mpssas_register_events(sc);
844 mps_detach_sas(struct mps_softc *sc)
846 struct mpssas_softc *sassc;
847 struct mpssas_lun *lun, *lun_tmp;
848 struct mpssas_target *targ;
853 if (sc->sassc == NULL)
857 mps_deregister_events(sc, sassc->mpssas_eh);
860 * Drain and free the event handling taskqueue with the lock
861 * unheld so that any parallel processing tasks drain properly
862 * without deadlocking.
864 if (sassc->ev_tq != NULL)
865 taskqueue_free(sassc->ev_tq);
867 /* Make sure CAM doesn't wedge if we had to bail out early. */
870 /* Deregister our async handler */
871 if (sassc->path != NULL) {
872 xpt_register_async(0, mpssas_async, sc, sassc->path);
873 xpt_free_path(sassc->path);
877 if (sassc->flags & MPSSAS_IN_STARTUP)
878 xpt_release_simq(sassc->sim, 1);
880 if (sassc->sim != NULL) {
881 xpt_bus_deregister(cam_sim_path(sassc->sim));
882 cam_sim_free(sassc->sim, FALSE);
887 if (sassc->devq != NULL)
888 cam_simq_free(sassc->devq);
890 for(i=0; i< sassc->maxtargets ;i++) {
891 targ = &sassc->targets[i];
892 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
896 free(sassc->targets, M_MPT2);
904 mpssas_discovery_end(struct mpssas_softc *sassc)
906 struct mps_softc *sc = sassc->sc;
910 if (sassc->flags & MPSSAS_DISCOVERY_TIMEOUT_PENDING)
911 callout_stop(&sassc->discovery_callout);
916 mpssas_action(struct cam_sim *sim, union ccb *ccb)
918 struct mpssas_softc *sassc;
920 sassc = cam_sim_softc(sim);
922 MPS_FUNCTRACE(sassc->sc);
923 mps_dprint(sassc->sc, MPS_TRACE, "ccb func_code 0x%x\n",
924 ccb->ccb_h.func_code);
925 mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);
927 switch (ccb->ccb_h.func_code) {
930 struct ccb_pathinq *cpi = &ccb->cpi;
931 struct mps_softc *sc = sassc->sc;
932 uint8_t sges_per_frame;
934 cpi->version_num = 1;
935 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
936 cpi->target_sprt = 0;
937 #if __FreeBSD_version >= 1000039
938 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN;
940 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
942 cpi->hba_eng_cnt = 0;
943 cpi->max_target = sassc->maxtargets - 1;
945 cpi->initiator_id = sassc->maxtargets - 1;
946 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
947 strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN);
948 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
949 cpi->unit_number = cam_sim_unit(sim);
950 cpi->bus_id = cam_sim_bus(sim);
951 cpi->base_transfer_speed = 150000;
952 cpi->transport = XPORT_SAS;
953 cpi->transport_version = 0;
954 cpi->protocol = PROTO_SCSI;
955 cpi->protocol_version = SCSI_REV_SPC;
958 * Max IO Size is Page Size * the following:
959 * ((SGEs per frame - 1 for chain element) *
960 * Max Chain Depth) + 1 for no chain needed in last frame
962 * If user suggests a Max IO size to use, use the smaller of the
963 * user's value and the calculated value as long as the user's
964 * value is larger than 0. The user's value is in pages.
966 sges_per_frame = ((sc->facts->IOCRequestFrameSize * 4) /
967 sizeof(MPI2_SGE_SIMPLE64)) - 1;
968 cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1;
969 cpi->maxio *= PAGE_SIZE;
970 if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE <
972 cpi->maxio = sc->max_io_pages * PAGE_SIZE;
973 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
976 case XPT_GET_TRAN_SETTINGS:
978 struct ccb_trans_settings *cts;
979 struct ccb_trans_settings_sas *sas;
980 struct ccb_trans_settings_scsi *scsi;
981 struct mpssas_target *targ;
984 sas = &cts->xport_specific.sas;
985 scsi = &cts->proto_specific.scsi;
987 KASSERT(cts->ccb_h.target_id < sassc->maxtargets,
988 ("Target %d out of bounds in XPT_GET_TRANS_SETTINGS\n",
989 cts->ccb_h.target_id));
990 targ = &sassc->targets[cts->ccb_h.target_id];
991 if (targ->handle == 0x0) {
992 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
996 cts->protocol_version = SCSI_REV_SPC2;
997 cts->transport = XPORT_SAS;
998 cts->transport_version = 0;
1000 sas->valid = CTS_SAS_VALID_SPEED;
1001 switch (targ->linkrate) {
1003 sas->bitrate = 150000;
1006 sas->bitrate = 300000;
1009 sas->bitrate = 600000;
1015 cts->protocol = PROTO_SCSI;
1016 scsi->valid = CTS_SCSI_VALID_TQ;
1017 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1019 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1022 case XPT_CALC_GEOMETRY:
1023 cam_calc_geometry(&ccb->ccg, /*extended*/1);
1024 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1027 mps_dprint(sassc->sc, MPS_XINFO, "mpssas_action XPT_RESET_DEV\n");
1028 mpssas_action_resetdev(sassc, ccb);
1033 mps_dprint(sassc->sc, MPS_XINFO,
1034 "mpssas_action faking success for abort or reset\n");
1035 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1038 mpssas_action_scsiio(sassc, ccb);
1040 #if __FreeBSD_version >= 900026
1042 mpssas_action_smpio(sassc, ccb);
1046 mpssas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL);
1054 mpssas_announce_reset(struct mps_softc *sc, uint32_t ac_code,
1055 target_id_t target_id, lun_id_t lun_id)
1057 path_id_t path_id = cam_sim_path(sc->sassc->sim);
1058 struct cam_path *path;
1060 mps_dprint(sc, MPS_XINFO, "%s code %x target %d lun %jx\n", __func__,
1061 ac_code, target_id, (uintmax_t)lun_id);
1063 if (xpt_create_path(&path, NULL,
1064 path_id, target_id, lun_id) != CAM_REQ_CMP) {
1065 mps_dprint(sc, MPS_ERROR, "unable to create path for reset "
1070 xpt_async(ac_code, path, NULL);
1071 xpt_free_path(path);
1075 mpssas_complete_all_commands(struct mps_softc *sc)
1077 struct mps_command *cm;
1082 mtx_assert(&sc->mps_mtx, MA_OWNED);
1084 /* complete all commands with a NULL reply */
1085 for (i = 1; i < sc->num_reqs; i++) {
1086 cm = &sc->commands[i];
1087 cm->cm_reply = NULL;
1090 if (cm->cm_flags & MPS_CM_FLAGS_POLLED)
1091 cm->cm_flags |= MPS_CM_FLAGS_COMPLETE;
1093 if (cm->cm_complete != NULL) {
1094 mpssas_log_command(cm, MPS_RECOVERY,
1095 "completing cm %p state %x ccb %p for diag reset\n",
1096 cm, cm->cm_state, cm->cm_ccb);
1098 cm->cm_complete(sc, cm);
1102 if (cm->cm_flags & MPS_CM_FLAGS_WAKEUP) {
1103 mpssas_log_command(cm, MPS_RECOVERY,
1104 "waking up cm %p state %x ccb %p for diag reset\n",
1105 cm, cm->cm_state, cm->cm_ccb);
1110 if (cm->cm_sc->io_cmds_active != 0) {
1111 cm->cm_sc->io_cmds_active--;
1113 mps_dprint(cm->cm_sc, MPS_INFO, "Warning: "
1114 "io_cmds_active is out of sync - resynching to "
1118 if ((completed == 0) && (cm->cm_state != MPS_CM_STATE_FREE)) {
1119 /* this should never happen, but if it does, log */
1120 mpssas_log_command(cm, MPS_RECOVERY,
1121 "cm %p state %x flags 0x%x ccb %p during diag "
1122 "reset\n", cm, cm->cm_state, cm->cm_flags,
1129 mpssas_handle_reinit(struct mps_softc *sc)
1133 /* Go back into startup mode and freeze the simq, so that CAM
1134 * doesn't send any commands until after we've rediscovered all
1135 * targets and found the proper device handles for them.
1137 * After the reset, portenable will trigger discovery, and after all
1138 * discovery-related activities have finished, the simq will be
1141 mps_dprint(sc, MPS_INIT, "%s startup\n", __func__);
1142 sc->sassc->flags |= MPSSAS_IN_STARTUP;
1143 sc->sassc->flags |= MPSSAS_IN_DISCOVERY;
1144 mpssas_startup_increment(sc->sassc);
1146 /* notify CAM of a bus reset */
1147 mpssas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD,
1150 /* complete and cleanup after all outstanding commands */
1151 mpssas_complete_all_commands(sc);
1153 mps_dprint(sc, MPS_INIT,
1154 "%s startup %u after command completion\n", __func__,
1155 sc->sassc->startup_refcount);
1157 /* zero all the target handles, since they may change after the
1158 * reset, and we have to rediscover all the targets and use the new
1161 for (i = 0; i < sc->sassc->maxtargets; i++) {
1162 if (sc->sassc->targets[i].outstanding != 0)
1163 mps_dprint(sc, MPS_INIT, "target %u outstanding %u\n",
1164 i, sc->sassc->targets[i].outstanding);
1165 sc->sassc->targets[i].handle = 0x0;
1166 sc->sassc->targets[i].exp_dev_handle = 0x0;
1167 sc->sassc->targets[i].outstanding = 0;
1168 sc->sassc->targets[i].flags = MPSSAS_TARGET_INDIAGRESET;
1173 mpssas_tm_timeout(void *data)
1175 struct mps_command *tm = data;
1176 struct mps_softc *sc = tm->cm_sc;
1178 mtx_assert(&sc->mps_mtx, MA_OWNED);
1180 mpssas_log_command(tm, MPS_INFO|MPS_RECOVERY,
1181 "task mgmt %p timed out\n", tm);
1186 mpssas_logical_unit_reset_complete(struct mps_softc *sc, struct mps_command *tm)
1188 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1189 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1190 unsigned int cm_count = 0;
1191 struct mps_command *cm;
1192 struct mpssas_target *targ;
1194 callout_stop(&tm->cm_callout);
1196 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1197 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1201 * Currently there should be no way we can hit this case. It only
1202 * happens when we have a failure to allocate chain frames, and
1203 * task management commands don't have S/G lists.
1204 * XXXSL So should it be an assertion?
1206 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1207 mps_dprint(sc, MPS_ERROR, "%s: cm_flags = %#x for LUN reset! "
1208 "This should not happen!\n", __func__, tm->cm_flags);
1209 mpssas_free_tm(sc, tm);
1213 if (reply == NULL) {
1214 mpssas_log_command(tm, MPS_RECOVERY,
1215 "NULL reset reply for tm %p\n", tm);
1216 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1217 /* this completion was due to a reset, just cleanup */
1219 mpssas_free_tm(sc, tm);
1222 /* we should have gotten a reply. */
1228 mpssas_log_command(tm, MPS_RECOVERY,
1229 "logical unit reset status 0x%x code 0x%x count %u\n",
1230 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1231 le32toh(reply->TerminationCount));
1233 /* See if there are any outstanding commands for this LUN.
1234 * This could be made more efficient by using a per-LU data
1235 * structure of some sort.
1237 TAILQ_FOREACH(cm, &targ->commands, cm_link) {
1238 if (cm->cm_lun == tm->cm_lun)
1242 if (cm_count == 0) {
1243 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1244 "logical unit %u finished recovery after reset\n",
1247 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1250 /* we've finished recovery for this logical unit. check and
1251 * see if some other logical unit has a timedout command
1252 * that needs to be processed.
1254 cm = TAILQ_FIRST(&targ->timedout_commands);
1256 mpssas_send_abort(sc, tm, cm);
1260 mpssas_free_tm(sc, tm);
1264 /* if we still have commands for this LUN, the reset
1265 * effectively failed, regardless of the status reported.
1266 * Escalate to a target reset.
1268 mpssas_log_command(tm, MPS_RECOVERY,
1269 "logical unit reset complete for tm %p, but still have %u command(s)\n",
1271 mpssas_send_reset(sc, tm,
1272 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1277 mpssas_target_reset_complete(struct mps_softc *sc, struct mps_command *tm)
1279 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1280 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1281 struct mpssas_target *targ;
1283 callout_stop(&tm->cm_callout);
1285 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1286 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1290 * Currently there should be no way we can hit this case. It only
1291 * happens when we have a failure to allocate chain frames, and
1292 * task management commands don't have S/G lists.
1294 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1295 mps_dprint(sc, MPS_ERROR,"%s: cm_flags = %#x for target reset! "
1296 "This should not happen!\n", __func__, tm->cm_flags);
1297 mpssas_free_tm(sc, tm);
1301 if (reply == NULL) {
1302 mpssas_log_command(tm, MPS_RECOVERY,
1303 "NULL reset reply for tm %p\n", tm);
1304 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1305 /* this completion was due to a reset, just cleanup */
1307 mpssas_free_tm(sc, tm);
1310 /* we should have gotten a reply. */
1316 mpssas_log_command(tm, MPS_RECOVERY,
1317 "target reset status 0x%x code 0x%x count %u\n",
1318 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1319 le32toh(reply->TerminationCount));
1321 if (targ->outstanding == 0) {
1322 /* we've finished recovery for this target and all
1323 * of its logical units.
1325 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1326 "recovery finished after target reset\n");
1328 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1332 mpssas_free_tm(sc, tm);
1335 /* after a target reset, if this target still has
1336 * outstanding commands, the reset effectively failed,
1337 * regardless of the status reported. escalate.
1339 mpssas_log_command(tm, MPS_RECOVERY,
1340 "target reset complete for tm %p, but still have %u command(s)\n",
1341 tm, targ->outstanding);
1346 #define MPS_RESET_TIMEOUT 30
1349 mpssas_send_reset(struct mps_softc *sc, struct mps_command *tm, uint8_t type)
1351 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1352 struct mpssas_target *target;
1355 target = tm->cm_targ;
1356 if (target->handle == 0) {
1357 mps_dprint(sc, MPS_ERROR,"%s null devhandle for target_id %d\n",
1358 __func__, target->tid);
1362 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1363 req->DevHandle = htole16(target->handle);
1364 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1365 req->TaskType = type;
1367 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) {
1368 /* XXX Need to handle invalid LUNs */
1369 MPS_SET_LUN(req->LUN, tm->cm_lun);
1370 tm->cm_targ->logical_unit_resets++;
1371 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1372 "sending logical unit reset\n");
1373 tm->cm_complete = mpssas_logical_unit_reset_complete;
1374 mpssas_prepare_for_tm(sc, tm, target, tm->cm_lun);
1376 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1378 * Target reset method =
1379 * SAS Hard Link Reset / SATA Link Reset
1381 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
1382 tm->cm_targ->target_resets++;
1383 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1384 "sending target reset\n");
1385 tm->cm_complete = mpssas_target_reset_complete;
1386 mpssas_prepare_for_tm(sc, tm, target, CAM_LUN_WILDCARD);
1389 mps_dprint(sc, MPS_ERROR, "unexpected reset type 0x%x\n", type);
1394 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1395 tm->cm_complete_data = (void *)tm;
1397 callout_reset(&tm->cm_callout, MPS_RESET_TIMEOUT * hz,
1398 mpssas_tm_timeout, tm);
1400 err = mps_map_command(sc, tm);
1402 mpssas_log_command(tm, MPS_RECOVERY,
1403 "error %d sending reset type %u\n",
1411 mpssas_abort_complete(struct mps_softc *sc, struct mps_command *tm)
1413 struct mps_command *cm;
1414 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1415 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1416 struct mpssas_target *targ;
1418 callout_stop(&tm->cm_callout);
1420 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1421 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1425 * Currently there should be no way we can hit this case. It only
1426 * happens when we have a failure to allocate chain frames, and
1427 * task management commands don't have S/G lists.
1429 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
1430 mpssas_log_command(tm, MPS_RECOVERY,
1431 "cm_flags = %#x for abort %p TaskMID %u!\n",
1432 tm->cm_flags, tm, le16toh(req->TaskMID));
1433 mpssas_free_tm(sc, tm);
1437 if (reply == NULL) {
1438 mpssas_log_command(tm, MPS_RECOVERY,
1439 "NULL abort reply for tm %p TaskMID %u\n",
1440 tm, le16toh(req->TaskMID));
1441 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
1442 /* this completion was due to a reset, just cleanup */
1444 mpssas_free_tm(sc, tm);
1447 /* we should have gotten a reply. */
1453 mpssas_log_command(tm, MPS_RECOVERY,
1454 "abort TaskMID %u status 0x%x code 0x%x count %u\n",
1455 le16toh(req->TaskMID),
1456 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1457 le32toh(reply->TerminationCount));
1459 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands);
1461 /* if there are no more timedout commands, we're done with
1462 * error recovery for this target.
1464 mpssas_log_command(tm, MPS_RECOVERY,
1465 "finished recovery after aborting TaskMID %u\n",
1466 le16toh(req->TaskMID));
1469 mpssas_free_tm(sc, tm);
1471 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) {
1472 /* abort success, but we have more timedout commands to abort */
1473 mpssas_log_command(tm, MPS_RECOVERY,
1474 "continuing recovery after aborting TaskMID %u\n",
1475 le16toh(req->TaskMID));
1477 mpssas_send_abort(sc, tm, cm);
1480 /* we didn't get a command completion, so the abort
1481 * failed as far as we're concerned. escalate.
1483 mpssas_log_command(tm, MPS_RECOVERY,
1484 "abort failed for TaskMID %u tm %p\n",
1485 le16toh(req->TaskMID), tm);
1487 mpssas_send_reset(sc, tm,
1488 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET);
1492 #define MPS_ABORT_TIMEOUT 5
1495 mpssas_send_abort(struct mps_softc *sc, struct mps_command *tm, struct mps_command *cm)
1497 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1498 struct mpssas_target *targ;
1502 if (targ->handle == 0) {
1503 mps_dprint(sc, MPS_ERROR,"%s null devhandle for target_id %d\n",
1504 __func__, cm->cm_ccb->ccb_h.target_id);
1508 mpssas_log_command(tm, MPS_RECOVERY|MPS_INFO,
1509 "Aborting command %p\n", cm);
1511 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1512 req->DevHandle = htole16(targ->handle);
1513 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1514 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1516 /* XXX Need to handle invalid LUNs */
1517 MPS_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun);
1519 req->TaskMID = htole16(cm->cm_desc.Default.SMID);
1522 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1523 tm->cm_complete = mpssas_abort_complete;
1524 tm->cm_complete_data = (void *)tm;
1525 tm->cm_targ = cm->cm_targ;
1526 tm->cm_lun = cm->cm_lun;
1528 callout_reset(&tm->cm_callout, MPS_ABORT_TIMEOUT * hz,
1529 mpssas_tm_timeout, tm);
1533 mps_dprint(sc, MPS_INFO, "Sending reset from %s for target ID %d\n",
1534 __func__, targ->tid);
1535 mpssas_prepare_for_tm(sc, tm, targ, tm->cm_lun);
1537 err = mps_map_command(sc, tm);
1539 mpssas_log_command(tm, MPS_RECOVERY,
1540 "error %d sending abort for cm %p SMID %u\n",
1541 err, cm, req->TaskMID);
1546 mpssas_scsiio_timeout(void *data)
1548 struct mps_softc *sc;
1549 struct mps_command *cm;
1550 struct mpssas_target *targ;
1552 cm = (struct mps_command *)data;
1556 mtx_assert(&sc->mps_mtx, MA_OWNED);
1558 mps_dprint(sc, MPS_XINFO, "Timeout checking cm %p\n", sc);
1561 * Run the interrupt handler to make sure it's not pending. This
1562 * isn't perfect because the command could have already completed
1563 * and been re-used, though this is unlikely.
1565 mps_intr_locked(sc);
1566 if (cm->cm_state == MPS_CM_STATE_FREE) {
1567 mpssas_log_command(cm, MPS_XINFO,
1568 "SCSI command %p almost timed out\n", cm);
1572 if (cm->cm_ccb == NULL) {
1573 mps_dprint(sc, MPS_ERROR, "command timeout with NULL ccb\n");
1577 mpssas_log_command(cm, MPS_INFO, "command timeout cm %p ccb %p\n",
1583 /* XXX first, check the firmware state, to see if it's still
1584 * operational. if not, do a diag reset.
1586 mpssas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT);
1587 cm->cm_state = MPS_CM_STATE_TIMEDOUT;
1588 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery);
1590 if (targ->tm != NULL) {
1591 /* target already in recovery, just queue up another
1592 * timedout command to be processed later.
1594 mps_dprint(sc, MPS_RECOVERY,
1595 "queued timedout cm %p for processing by tm %p\n",
1598 else if ((targ->tm = mpssas_alloc_tm(sc)) != NULL) {
1599 mps_dprint(sc, MPS_RECOVERY, "timedout cm %p allocated tm %p\n",
1602 /* start recovery by aborting the first timedout command */
1603 mpssas_send_abort(sc, targ->tm, cm);
1606 /* XXX queue this target up for recovery once a TM becomes
1607 * available. The firmware only has a limited number of
1608 * HighPriority credits for the high priority requests used
1609 * for task management, and we ran out.
1611 * Isilon: don't worry about this for now, since we have
1612 * more credits than disks in an enclosure, and limit
1613 * ourselves to one TM per target for recovery.
1615 mps_dprint(sc, MPS_RECOVERY,
1616 "timedout cm %p failed to allocate a tm\n", cm);
1622 mpssas_action_scsiio(struct mpssas_softc *sassc, union ccb *ccb)
1624 MPI2_SCSI_IO_REQUEST *req;
1625 struct ccb_scsiio *csio;
1626 struct mps_softc *sc;
1627 struct mpssas_target *targ;
1628 struct mpssas_lun *lun;
1629 struct mps_command *cm;
1630 uint8_t i, lba_byte, *ref_tag_addr;
1631 uint16_t eedp_flags;
1632 uint32_t mpi_control;
1636 mtx_assert(&sc->mps_mtx, MA_OWNED);
1639 KASSERT(csio->ccb_h.target_id < sassc->maxtargets,
1640 ("Target %d out of bounds in XPT_SCSI_IO\n",
1641 csio->ccb_h.target_id));
1642 targ = &sassc->targets[csio->ccb_h.target_id];
1643 mps_dprint(sc, MPS_TRACE, "ccb %p target flag %x\n", ccb, targ->flags);
1644 if (targ->handle == 0x0) {
1645 mps_dprint(sc, MPS_ERROR, "%s NULL handle for target %u\n",
1646 __func__, csio->ccb_h.target_id);
1647 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1651 if (targ->flags & MPS_TARGET_FLAGS_RAID_COMPONENT) {
1652 mps_dprint(sc, MPS_ERROR, "%s Raid component no SCSI IO "
1653 "supported %u\n", __func__, csio->ccb_h.target_id);
1654 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1659 * Sometimes, it is possible to get a command that is not "In
1660 * Progress" and was actually aborted by the upper layer. Check for
1661 * this here and complete the command without error.
1663 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_INPROG) {
1664 mps_dprint(sc, MPS_TRACE, "%s Command is not in progress for "
1665 "target %u\n", __func__, csio->ccb_h.target_id);
1670 * If devinfo is 0 this will be a volume. In that case don't tell CAM
1671 * that the volume has timed out. We want volumes to be enumerated
1672 * until they are deleted/removed, not just failed.
1674 if (targ->flags & MPSSAS_TARGET_INREMOVAL) {
1675 if (targ->devinfo == 0)
1676 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
1678 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
1683 if ((sc->mps_flags & MPS_FLAGS_SHUTDOWN) != 0) {
1684 mps_dprint(sc, MPS_INFO, "%s shutting down\n", __func__);
1685 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1691 * If target has a reset in progress, freeze the devq and return. The
1692 * devq will be released when the TM reset is finished.
1694 if (targ->flags & MPSSAS_TARGET_INRESET) {
1695 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
1696 mps_dprint(sc, MPS_INFO, "%s: Freezing devq for target ID %d\n",
1697 __func__, targ->tid);
1698 xpt_freeze_devq(ccb->ccb_h.path, 1);
1703 cm = mps_alloc_command(sc);
1704 if (cm == NULL || (sc->mps_flags & MPS_FLAGS_DIAGRESET)) {
1706 mps_free_command(sc, cm);
1708 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
1709 xpt_freeze_simq(sassc->sim, 1);
1710 sassc->flags |= MPSSAS_QUEUE_FROZEN;
1712 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1713 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1718 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1719 bzero(req, sizeof(*req));
1720 req->DevHandle = htole16(targ->handle);
1721 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1723 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
1724 req->SenseBufferLength = MPS_SENSE_LEN;
1726 req->ChainOffset = 0;
1727 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
1732 req->DataLength = htole32(csio->dxfer_len);
1733 req->BidirectionalDataLength = 0;
1734 req->IoFlags = htole16(csio->cdb_len);
1737 /* Note: BiDirectional transfers are not supported */
1738 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
1740 mpi_control = MPI2_SCSIIO_CONTROL_READ;
1741 cm->cm_flags |= MPS_CM_FLAGS_DATAIN;
1744 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
1745 cm->cm_flags |= MPS_CM_FLAGS_DATAOUT;
1749 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
1753 if (csio->cdb_len == 32)
1754 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
1756 * It looks like the hardware doesn't require an explicit tag
1757 * number for each transaction. SAM Task Management not supported
1760 switch (csio->tag_action) {
1761 case MSG_HEAD_OF_Q_TAG:
1762 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
1764 case MSG_ORDERED_Q_TAG:
1765 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
1768 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ;
1770 case CAM_TAG_ACTION_NONE:
1771 case MSG_SIMPLE_Q_TAG:
1773 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
1776 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits;
1777 req->Control = htole32(mpi_control);
1778 if (MPS_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
1779 mps_free_command(sc, cm);
1780 mpssas_set_ccbstatus(ccb, CAM_LUN_INVALID);
1785 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1786 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
1788 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
1789 req->IoFlags = htole16(csio->cdb_len);
1792 * Check if EEDP is supported and enabled. If it is then check if the
1793 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and
1794 * is formatted for EEDP support. If all of this is true, set CDB up
1795 * for EEDP transfer.
1797 eedp_flags = op_code_prot[req->CDB.CDB32[0]];
1798 if (sc->eedp_enabled && eedp_flags) {
1799 SLIST_FOREACH(lun, &targ->luns, lun_link) {
1800 if (lun->lun_id == csio->ccb_h.target_lun) {
1805 if ((lun != NULL) && (lun->eedp_formatted)) {
1806 req->EEDPBlockSize = htole16(lun->eedp_block_size);
1807 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
1808 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
1809 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
1810 req->EEDPFlags = htole16(eedp_flags);
1813 * If CDB less than 32, fill in Primary Ref Tag with
1814 * low 4 bytes of LBA. If CDB is 32, tag stuff is
1815 * already there. Also, set protection bit. FreeBSD
1816 * currently does not support CDBs bigger than 16, but
1817 * the code doesn't hurt, and will be here for the
1820 if (csio->cdb_len != 32) {
1821 lba_byte = (csio->cdb_len == 16) ? 6 : 2;
1822 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32.
1823 PrimaryReferenceTag;
1824 for (i = 0; i < 4; i++) {
1826 req->CDB.CDB32[lba_byte + i];
1829 req->CDB.EEDP32.PrimaryReferenceTag =
1830 htole32(req->CDB.EEDP32.PrimaryReferenceTag);
1831 req->CDB.EEDP32.PrimaryApplicationTagMask =
1833 req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) |
1837 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG;
1838 req->EEDPFlags = htole16(eedp_flags);
1839 req->CDB.CDB32[10] = (req->CDB.CDB32[10] &
1845 cm->cm_length = csio->dxfer_len;
1846 if (cm->cm_length != 0) {
1848 cm->cm_flags |= MPS_CM_FLAGS_USE_CCB;
1852 cm->cm_sge = &req->SGL;
1853 cm->cm_sglsize = (32 - 24) * 4;
1854 cm->cm_desc.SCSIIO.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
1855 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle);
1856 cm->cm_complete = mpssas_scsiio_complete;
1857 cm->cm_complete_data = ccb;
1859 cm->cm_lun = csio->ccb_h.target_lun;
1863 * If HBA is a WD and the command is not for a retry, try to build a
1864 * direct I/O message. If failed, or the command is for a retry, send
1865 * the I/O to the IR volume itself.
1867 if (sc->WD_valid_config) {
1868 if (ccb->ccb_h.sim_priv.entries[0].field == MPS_WD_RETRY) {
1869 mpssas_direct_drive_io(sassc, cm, ccb);
1871 mpssas_set_ccbstatus(ccb, CAM_REQ_INPROG);
1875 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0,
1876 mpssas_scsiio_timeout, cm, 0);
1879 targ->outstanding++;
1880 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
1881 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1883 mpssas_log_command(cm, MPS_XINFO, "%s cm %p ccb %p outstanding %u\n",
1884 __func__, cm, ccb, targ->outstanding);
1886 mps_map_command(sc, cm);
1891 mps_response_code(struct mps_softc *sc, u8 response_code)
1895 switch (response_code) {
1896 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
1897 desc = "task management request completed";
1899 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
1900 desc = "invalid frame";
1902 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
1903 desc = "task management request not supported";
1905 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
1906 desc = "task management request failed";
1908 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
1909 desc = "task management request succeeded";
1911 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
1912 desc = "invalid lun";
1915 desc = "overlapped tag attempted";
1917 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
1918 desc = "task queued, however not sent to target";
1924 mps_dprint(sc, MPS_XINFO, "response_code(0x%01x): %s\n",
1925 response_code, desc);
1928 * mps_sc_failed_io_info - translated non-succesfull SCSI_IO request
1931 mps_sc_failed_io_info(struct mps_softc *sc, struct ccb_scsiio *csio,
1932 Mpi2SCSIIOReply_t *mpi_reply)
1936 u16 ioc_status = le16toh(mpi_reply->IOCStatus) &
1937 MPI2_IOCSTATUS_MASK;
1938 u8 scsi_state = mpi_reply->SCSIState;
1939 u8 scsi_status = mpi_reply->SCSIStatus;
1940 char *desc_ioc_state = NULL;
1941 char *desc_scsi_status = NULL;
1942 char *desc_scsi_state = sc->tmp_string;
1943 u32 log_info = le32toh(mpi_reply->IOCLogInfo);
1945 if (log_info == 0x31170000)
1948 switch (ioc_status) {
1949 case MPI2_IOCSTATUS_SUCCESS:
1950 desc_ioc_state = "success";
1952 case MPI2_IOCSTATUS_INVALID_FUNCTION:
1953 desc_ioc_state = "invalid function";
1955 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
1956 desc_ioc_state = "scsi recovered error";
1958 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
1959 desc_ioc_state = "scsi invalid dev handle";
1961 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
1962 desc_ioc_state = "scsi device not there";
1964 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
1965 desc_ioc_state = "scsi data overrun";
1967 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
1968 desc_ioc_state = "scsi data underrun";
1970 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
1971 desc_ioc_state = "scsi io data error";
1973 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
1974 desc_ioc_state = "scsi protocol error";
1976 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
1977 desc_ioc_state = "scsi task terminated";
1979 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
1980 desc_ioc_state = "scsi residual mismatch";
1982 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
1983 desc_ioc_state = "scsi task mgmt failed";
1985 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
1986 desc_ioc_state = "scsi ioc terminated";
1988 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
1989 desc_ioc_state = "scsi ext terminated";
1991 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
1992 desc_ioc_state = "eedp guard error";
1994 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
1995 desc_ioc_state = "eedp ref tag error";
1997 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
1998 desc_ioc_state = "eedp app tag error";
2001 desc_ioc_state = "unknown";
2005 switch (scsi_status) {
2006 case MPI2_SCSI_STATUS_GOOD:
2007 desc_scsi_status = "good";
2009 case MPI2_SCSI_STATUS_CHECK_CONDITION:
2010 desc_scsi_status = "check condition";
2012 case MPI2_SCSI_STATUS_CONDITION_MET:
2013 desc_scsi_status = "condition met";
2015 case MPI2_SCSI_STATUS_BUSY:
2016 desc_scsi_status = "busy";
2018 case MPI2_SCSI_STATUS_INTERMEDIATE:
2019 desc_scsi_status = "intermediate";
2021 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2022 desc_scsi_status = "intermediate condmet";
2024 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2025 desc_scsi_status = "reservation conflict";
2027 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2028 desc_scsi_status = "command terminated";
2030 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2031 desc_scsi_status = "task set full";
2033 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2034 desc_scsi_status = "aca active";
2036 case MPI2_SCSI_STATUS_TASK_ABORTED:
2037 desc_scsi_status = "task aborted";
2040 desc_scsi_status = "unknown";
2044 desc_scsi_state[0] = '\0';
2046 desc_scsi_state = " ";
2047 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2048 strcat(desc_scsi_state, "response info ");
2049 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2050 strcat(desc_scsi_state, "state terminated ");
2051 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2052 strcat(desc_scsi_state, "no status ");
2053 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2054 strcat(desc_scsi_state, "autosense failed ");
2055 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2056 strcat(desc_scsi_state, "autosense valid ");
2058 mps_dprint(sc, MPS_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n",
2059 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status);
2060 /* We can add more detail about underflow data here
2063 mps_dprint(sc, MPS_XINFO, "\tscsi_status(%s)(0x%02x), "
2064 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status,
2065 desc_scsi_state, scsi_state);
2067 if (sc->mps_debug & MPS_XINFO &&
2068 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2069 mps_dprint(sc, MPS_XINFO, "-> Sense Buffer Data : Start :\n");
2070 scsi_sense_print(csio);
2071 mps_dprint(sc, MPS_XINFO, "-> Sense Buffer Data : End :\n");
2074 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2075 response_info = le32toh(mpi_reply->ResponseInfo);
2076 response_bytes = (u8 *)&response_info;
2077 mps_response_code(sc,response_bytes[0]);
2082 mpssas_scsiio_complete(struct mps_softc *sc, struct mps_command *cm)
2084 MPI2_SCSI_IO_REPLY *rep;
2086 struct ccb_scsiio *csio;
2087 struct mpssas_softc *sassc;
2088 struct scsi_vpd_supported_page_list *vpd_list = NULL;
2089 u8 *TLR_bits, TLR_on;
2092 struct mpssas_target *target;
2093 target_id_t target_id;
2096 mps_dprint(sc, MPS_TRACE,
2097 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm,
2098 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply,
2099 cm->cm_targ->outstanding);
2101 callout_stop(&cm->cm_callout);
2102 mtx_assert(&sc->mps_mtx, MA_OWNED);
2105 ccb = cm->cm_complete_data;
2107 target_id = csio->ccb_h.target_id;
2108 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
2110 * XXX KDM if the chain allocation fails, does it matter if we do
2111 * the sync and unload here? It is simpler to do it in every case,
2112 * assuming it doesn't cause problems.
2114 if (cm->cm_data != NULL) {
2115 if (cm->cm_flags & MPS_CM_FLAGS_DATAIN)
2116 dir = BUS_DMASYNC_POSTREAD;
2117 else if (cm->cm_flags & MPS_CM_FLAGS_DATAOUT)
2118 dir = BUS_DMASYNC_POSTWRITE;
2119 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
2120 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2123 cm->cm_targ->completed++;
2124 cm->cm_targ->outstanding--;
2125 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link);
2126 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED);
2128 if (cm->cm_state == MPS_CM_STATE_TIMEDOUT) {
2129 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery);
2130 if (cm->cm_reply != NULL)
2131 mpssas_log_command(cm, MPS_RECOVERY,
2132 "completed timedout cm %p ccb %p during recovery "
2133 "ioc %x scsi %x state %x xfer %u\n",
2135 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2136 le32toh(rep->TransferCount));
2138 mpssas_log_command(cm, MPS_RECOVERY,
2139 "completed timedout cm %p ccb %p during recovery\n",
2141 } else if (cm->cm_targ->tm != NULL) {
2142 if (cm->cm_reply != NULL)
2143 mpssas_log_command(cm, MPS_RECOVERY,
2144 "completed cm %p ccb %p during recovery "
2145 "ioc %x scsi %x state %x xfer %u\n",
2147 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2148 le32toh(rep->TransferCount));
2150 mpssas_log_command(cm, MPS_RECOVERY,
2151 "completed cm %p ccb %p during recovery\n",
2153 } else if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0) {
2154 mpssas_log_command(cm, MPS_RECOVERY,
2155 "reset completed cm %p ccb %p\n",
2159 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
2161 * We ran into an error after we tried to map the command,
2162 * so we're getting a callback without queueing the command
2163 * to the hardware. So we set the status here, and it will
2164 * be retained below. We'll go through the "fast path",
2165 * because there can be no reply when we haven't actually
2166 * gone out to the hardware.
2168 mpssas_set_ccbstatus(ccb, CAM_REQUEUE_REQ);
2171 * Currently the only error included in the mask is
2172 * MPS_CM_FLAGS_CHAIN_FAILED, which means we're out of
2173 * chain frames. We need to freeze the queue until we get
2174 * a command that completed without this error, which will
2175 * hopefully have some chain frames attached that we can
2176 * use. If we wanted to get smarter about it, we would
2177 * only unfreeze the queue in this condition when we're
2178 * sure that we're getting some chain frames back. That's
2179 * probably unnecessary.
2181 if ((sassc->flags & MPSSAS_QUEUE_FROZEN) == 0) {
2182 xpt_freeze_simq(sassc->sim, 1);
2183 sassc->flags |= MPSSAS_QUEUE_FROZEN;
2184 mps_dprint(sc, MPS_XINFO, "Error sending command, "
2185 "freezing SIM queue\n");
2190 * If this is a Start Stop Unit command and it was issued by the driver
2191 * during shutdown, decrement the refcount to account for all of the
2192 * commands that were sent. All SSU commands should be completed before
2193 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started
2196 if (sc->SSU_started && (csio->cdb_io.cdb_bytes[0] == START_STOP_UNIT)) {
2197 mps_dprint(sc, MPS_INFO, "Decrementing SSU count.\n");
2201 /* Take the fast path to completion */
2202 if (cm->cm_reply == NULL) {
2203 if (mpssas_get_ccbstatus(ccb) == CAM_REQ_INPROG) {
2204 if ((sc->mps_flags & MPS_FLAGS_DIAGRESET) != 0)
2205 mpssas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET);
2207 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2208 ccb->csio.scsi_status = SCSI_STATUS_OK;
2210 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
2211 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2212 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
2213 mps_dprint(sc, MPS_XINFO,
2214 "Unfreezing SIM queue\n");
2219 * There are two scenarios where the status won't be
2220 * CAM_REQ_CMP. The first is if MPS_CM_FLAGS_ERROR_MASK is
2221 * set, the second is in the MPS_FLAGS_DIAGRESET above.
2223 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2225 * Freeze the dev queue so that commands are
2226 * executed in the correct order after error
2229 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2230 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2232 mps_free_command(sc, cm);
2237 mpssas_log_command(cm, MPS_XINFO,
2238 "ioc %x scsi %x state %x xfer %u\n",
2239 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2240 le32toh(rep->TransferCount));
2243 * If this is a Direct Drive I/O, reissue the I/O to the original IR
2244 * Volume if an error occurred (normal I/O retry). Use the original
2245 * CCB, but set a flag that this will be a retry so that it's sent to
2246 * the original volume. Free the command but reuse the CCB.
2248 if (cm->cm_flags & MPS_CM_FLAGS_DD_IO) {
2249 mps_free_command(sc, cm);
2250 ccb->ccb_h.sim_priv.entries[0].field = MPS_WD_RETRY;
2251 mpssas_action_scsiio(sassc, ccb);
2254 ccb->ccb_h.sim_priv.entries[0].field = 0;
2256 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
2257 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2258 csio->resid = cm->cm_length - le32toh(rep->TransferCount);
2260 case MPI2_IOCSTATUS_SUCCESS:
2261 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2263 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
2264 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR)
2265 mpssas_log_command(cm, MPS_XINFO, "recovered error\n");
2267 /* Completion failed at the transport level. */
2268 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS |
2269 MPI2_SCSI_STATE_TERMINATED)) {
2270 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2274 /* In a modern packetized environment, an autosense failure
2275 * implies that there's not much else that can be done to
2276 * recover the command.
2278 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) {
2279 mpssas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL);
2284 * CAM doesn't care about SAS Response Info data, but if this is
2285 * the state check if TLR should be done. If not, clear the
2286 * TLR_bits for the target.
2288 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) &&
2289 ((le32toh(rep->ResponseInfo) &
2290 MPI2_SCSI_RI_MASK_REASONCODE) ==
2291 MPS_SCSI_RI_INVALID_FRAME)) {
2292 sc->mapping_table[target_id].TLR_bits =
2293 (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2297 * Intentionally override the normal SCSI status reporting
2298 * for these two cases. These are likely to happen in a
2299 * multi-initiator environment, and we want to make sure that
2300 * CAM retries these commands rather than fail them.
2302 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) ||
2303 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) {
2304 mpssas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2308 /* Handle normal status and sense */
2309 csio->scsi_status = rep->SCSIStatus;
2310 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD)
2311 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2313 mpssas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR);
2315 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2316 int sense_len, returned_sense_len;
2318 returned_sense_len = min(le32toh(rep->SenseCount),
2319 sizeof(struct scsi_sense_data));
2320 if (returned_sense_len < ccb->csio.sense_len)
2321 ccb->csio.sense_resid = ccb->csio.sense_len -
2324 ccb->csio.sense_resid = 0;
2326 sense_len = min(returned_sense_len,
2327 ccb->csio.sense_len - ccb->csio.sense_resid);
2328 bzero(&ccb->csio.sense_data,
2329 sizeof(ccb->csio.sense_data));
2330 bcopy(cm->cm_sense, &ccb->csio.sense_data, sense_len);
2331 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2335 * Check if this is an INQUIRY command. If it's a VPD inquiry,
2336 * and it's page code 0 (Supported Page List), and there is
2337 * inquiry data, and this is for a sequential access device, and
2338 * the device is an SSP target, and TLR is supported by the
2339 * controller, turn the TLR_bits value ON if page 0x90 is
2342 if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
2343 (csio->cdb_io.cdb_bytes[1] & SI_EVPD) &&
2344 (csio->cdb_io.cdb_bytes[2] == SVPD_SUPPORTED_PAGE_LIST) &&
2345 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
2346 (csio->data_ptr != NULL) &&
2347 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) &&
2348 (sc->control_TLR) &&
2349 (sc->mapping_table[target_id].device_info &
2350 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) {
2351 vpd_list = (struct scsi_vpd_supported_page_list *)
2353 TLR_bits = &sc->mapping_table[target_id].TLR_bits;
2354 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2355 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON;
2356 alloc_len = ((u16)csio->cdb_io.cdb_bytes[3] << 8) +
2357 csio->cdb_io.cdb_bytes[4];
2358 alloc_len -= csio->resid;
2359 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) {
2360 if (vpd_list->list[i] == 0x90) {
2368 * If this is a SATA direct-access end device, mark it so that
2369 * a SCSI StartStopUnit command will be sent to it when the
2370 * driver is being shutdown.
2372 if ((csio->cdb_io.cdb_bytes[0] == INQUIRY) &&
2373 ((csio->data_ptr[0] & 0x1f) == T_DIRECT) &&
2374 (sc->mapping_table[target_id].device_info &
2375 MPI2_SAS_DEVICE_INFO_SATA_DEVICE) &&
2376 ((sc->mapping_table[target_id].device_info &
2377 MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) ==
2378 MPI2_SAS_DEVICE_INFO_END_DEVICE)) {
2379 target = &sassc->targets[target_id];
2380 target->supports_SSU = TRUE;
2381 mps_dprint(sc, MPS_XINFO, "Target %d supports SSU\n",
2385 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2386 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2388 * If devinfo is 0 this will be a volume. In that case don't
2389 * tell CAM that the volume is not there. We want volumes to
2390 * be enumerated until they are deleted/removed, not just
2393 if (cm->cm_targ->devinfo == 0)
2394 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2396 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
2398 case MPI2_IOCSTATUS_INVALID_SGL:
2399 mps_print_scsiio_cmd(sc, cm);
2400 mpssas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR);
2402 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2404 * This is one of the responses that comes back when an I/O
2405 * has been aborted. If it is because of a timeout that we
2406 * initiated, just set the status to CAM_CMD_TIMEOUT.
2407 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
2408 * command is the same (it gets retried, subject to the
2409 * retry counter), the only difference is what gets printed
2412 if (cm->cm_state == MPS_CM_STATE_TIMEDOUT)
2413 mpssas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT);
2415 mpssas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2417 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2418 /* resid is ignored for this condition */
2420 mpssas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR);
2422 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2423 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2425 * These can sometimes be transient transport-related
2426 * errors, and sometimes persistent drive-related errors.
2427 * We used to retry these without decrementing the retry
2428 * count by returning CAM_REQUEUE_REQ. Unfortunately, if
2429 * we hit a persistent drive problem that returns one of
2430 * these error codes, we would retry indefinitely. So,
2431 * return CAM_REQ_CMP_ERROR so that we decrement the retry
2432 * count and avoid infinite retries. We're taking the
2433 * potential risk of flagging false failures in the event
2434 * of a topology-related error (e.g. a SAS expander problem
2435 * causes a command addressed to a drive to fail), but
2436 * avoiding getting into an infinite retry loop.
2438 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2439 mpssas_log_command(cm, MPS_INFO,
2440 "terminated ioc %x scsi %x state %x xfer %u\n",
2441 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2442 le32toh(rep->TransferCount));
2444 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2445 case MPI2_IOCSTATUS_INTERNAL_ERROR:
2446 case MPI2_IOCSTATUS_INVALID_VPID:
2447 case MPI2_IOCSTATUS_INVALID_FIELD:
2448 case MPI2_IOCSTATUS_INVALID_STATE:
2449 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
2450 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2451 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2452 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2453 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2455 mpssas_log_command(cm, MPS_XINFO,
2456 "completed ioc %x scsi %x state %x xfer %u\n",
2457 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2458 le32toh(rep->TransferCount));
2459 csio->resid = cm->cm_length;
2460 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2464 mps_sc_failed_io_info(sc,csio,rep);
2466 if (sassc->flags & MPSSAS_QUEUE_FROZEN) {
2467 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2468 sassc->flags &= ~MPSSAS_QUEUE_FROZEN;
2469 mps_dprint(sc, MPS_XINFO, "Command completed, "
2470 "unfreezing SIM queue\n");
2473 if (mpssas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2474 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2475 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2478 mps_free_command(sc, cm);
2482 /* All Request reached here are Endian safe */
2484 mpssas_direct_drive_io(struct mpssas_softc *sassc, struct mps_command *cm,
2486 pMpi2SCSIIORequest_t pIO_req;
2487 struct mps_softc *sc = sassc->sc;
2489 uint32_t physLBA, stripe_offset, stripe_unit;
2490 uint32_t io_size, column;
2491 uint8_t *ptrLBA, lba_idx, physLBA_byte, *CDB;
2494 * If this is a valid SCSI command (Read6, Read10, Read16, Write6,
2495 * Write10, or Write16), build a direct I/O message. Otherwise, the I/O
2496 * will be sent to the IR volume itself. Since Read6 and Write6 are a
2497 * bit different than the 10/16 CDBs, handle them separately.
2499 pIO_req = (pMpi2SCSIIORequest_t)cm->cm_req;
2500 CDB = pIO_req->CDB.CDB32;
2503 * Handle 6 byte CDBs.
2505 if ((pIO_req->DevHandle == sc->DD_dev_handle) && ((CDB[0] == READ_6) ||
2506 (CDB[0] == WRITE_6))) {
2508 * Get the transfer size in blocks.
2510 io_size = (cm->cm_length >> sc->DD_block_exponent);
2513 * Get virtual LBA given in the CDB.
2515 virtLBA = ((uint64_t)(CDB[1] & 0x1F) << 16) |
2516 ((uint64_t)CDB[2] << 8) | (uint64_t)CDB[3];
2519 * Check that LBA range for I/O does not exceed volume's
2522 if ((virtLBA + (uint64_t)io_size - 1) <=
2525 * Check if the I/O crosses a stripe boundary. If not,
2526 * translate the virtual LBA to a physical LBA and set
2527 * the DevHandle for the PhysDisk to be used. If it
2528 * does cross a boundry, do normal I/O. To get the
2529 * right DevHandle to use, get the map number for the
2530 * column, then use that map number to look up the
2531 * DevHandle of the PhysDisk.
2533 stripe_offset = (uint32_t)virtLBA &
2534 (sc->DD_stripe_size - 1);
2535 if ((stripe_offset + io_size) <= sc->DD_stripe_size) {
2536 physLBA = (uint32_t)virtLBA >>
2537 sc->DD_stripe_exponent;
2538 stripe_unit = physLBA / sc->DD_num_phys_disks;
2539 column = physLBA % sc->DD_num_phys_disks;
2540 pIO_req->DevHandle =
2541 htole16(sc->DD_column_map[column].dev_handle);
2542 /* ???? Is this endian safe*/
2543 cm->cm_desc.SCSIIO.DevHandle =
2546 physLBA = (stripe_unit <<
2547 sc->DD_stripe_exponent) + stripe_offset;
2548 ptrLBA = &pIO_req->CDB.CDB32[1];
2549 physLBA_byte = (uint8_t)(physLBA >> 16);
2550 *ptrLBA = physLBA_byte;
2551 ptrLBA = &pIO_req->CDB.CDB32[2];
2552 physLBA_byte = (uint8_t)(physLBA >> 8);
2553 *ptrLBA = physLBA_byte;
2554 ptrLBA = &pIO_req->CDB.CDB32[3];
2555 physLBA_byte = (uint8_t)physLBA;
2556 *ptrLBA = physLBA_byte;
2559 * Set flag that Direct Drive I/O is
2562 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2569 * Handle 10, 12 or 16 byte CDBs.
2571 if ((pIO_req->DevHandle == sc->DD_dev_handle) && ((CDB[0] == READ_10) ||
2572 (CDB[0] == WRITE_10) || (CDB[0] == READ_16) ||
2573 (CDB[0] == WRITE_16) || (CDB[0] == READ_12) ||
2574 (CDB[0] == WRITE_12))) {
2576 * For 16-byte CDB's, verify that the upper 4 bytes of the CDB
2577 * are 0. If not, this is accessing beyond 2TB so handle it in
2578 * the else section. 10-byte and 12-byte CDB's are OK.
2579 * FreeBSD sends very rare 12 byte READ/WRITE, but driver is
2580 * ready to accept 12byte CDB for Direct IOs.
2582 if ((CDB[0] == READ_10 || CDB[0] == WRITE_10) ||
2583 (CDB[0] == READ_12 || CDB[0] == WRITE_12) ||
2584 !(CDB[2] | CDB[3] | CDB[4] | CDB[5])) {
2586 * Get the transfer size in blocks.
2588 io_size = (cm->cm_length >> sc->DD_block_exponent);
2591 * Get virtual LBA. Point to correct lower 4 bytes of
2592 * LBA in the CDB depending on command.
2594 lba_idx = ((CDB[0] == READ_12) ||
2595 (CDB[0] == WRITE_12) ||
2596 (CDB[0] == READ_10) ||
2597 (CDB[0] == WRITE_10))? 2 : 6;
2598 virtLBA = ((uint64_t)CDB[lba_idx] << 24) |
2599 ((uint64_t)CDB[lba_idx + 1] << 16) |
2600 ((uint64_t)CDB[lba_idx + 2] << 8) |
2601 (uint64_t)CDB[lba_idx + 3];
2604 * Check that LBA range for I/O does not exceed volume's
2607 if ((virtLBA + (uint64_t)io_size - 1) <=
2610 * Check if the I/O crosses a stripe boundary.
2611 * If not, translate the virtual LBA to a
2612 * physical LBA and set the DevHandle for the
2613 * PhysDisk to be used. If it does cross a
2614 * boundry, do normal I/O. To get the right
2615 * DevHandle to use, get the map number for the
2616 * column, then use that map number to look up
2617 * the DevHandle of the PhysDisk.
2619 stripe_offset = (uint32_t)virtLBA &
2620 (sc->DD_stripe_size - 1);
2621 if ((stripe_offset + io_size) <=
2622 sc->DD_stripe_size) {
2623 physLBA = (uint32_t)virtLBA >>
2624 sc->DD_stripe_exponent;
2625 stripe_unit = physLBA /
2626 sc->DD_num_phys_disks;
2628 sc->DD_num_phys_disks;
2629 pIO_req->DevHandle =
2630 htole16(sc->DD_column_map[column].
2632 cm->cm_desc.SCSIIO.DevHandle =
2635 physLBA = (stripe_unit <<
2636 sc->DD_stripe_exponent) +
2639 &pIO_req->CDB.CDB32[lba_idx];
2640 physLBA_byte = (uint8_t)(physLBA >> 24);
2641 *ptrLBA = physLBA_byte;
2643 &pIO_req->CDB.CDB32[lba_idx + 1];
2644 physLBA_byte = (uint8_t)(physLBA >> 16);
2645 *ptrLBA = physLBA_byte;
2647 &pIO_req->CDB.CDB32[lba_idx + 2];
2648 physLBA_byte = (uint8_t)(physLBA >> 8);
2649 *ptrLBA = physLBA_byte;
2651 &pIO_req->CDB.CDB32[lba_idx + 3];
2652 physLBA_byte = (uint8_t)physLBA;
2653 *ptrLBA = physLBA_byte;
2656 * Set flag that Direct Drive I/O is
2659 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2664 * 16-byte CDB and the upper 4 bytes of the CDB are not
2665 * 0. Get the transfer size in blocks.
2667 io_size = (cm->cm_length >> sc->DD_block_exponent);
2672 virtLBA = ((uint64_t)CDB[2] << 54) |
2673 ((uint64_t)CDB[3] << 48) |
2674 ((uint64_t)CDB[4] << 40) |
2675 ((uint64_t)CDB[5] << 32) |
2676 ((uint64_t)CDB[6] << 24) |
2677 ((uint64_t)CDB[7] << 16) |
2678 ((uint64_t)CDB[8] << 8) |
2682 * Check that LBA range for I/O does not exceed volume's
2685 if ((virtLBA + (uint64_t)io_size - 1) <=
2688 * Check if the I/O crosses a stripe boundary.
2689 * If not, translate the virtual LBA to a
2690 * physical LBA and set the DevHandle for the
2691 * PhysDisk to be used. If it does cross a
2692 * boundry, do normal I/O. To get the right
2693 * DevHandle to use, get the map number for the
2694 * column, then use that map number to look up
2695 * the DevHandle of the PhysDisk.
2697 stripe_offset = (uint32_t)virtLBA &
2698 (sc->DD_stripe_size - 1);
2699 if ((stripe_offset + io_size) <=
2700 sc->DD_stripe_size) {
2701 physLBA = (uint32_t)(virtLBA >>
2702 sc->DD_stripe_exponent);
2703 stripe_unit = physLBA /
2704 sc->DD_num_phys_disks;
2706 sc->DD_num_phys_disks;
2707 pIO_req->DevHandle =
2708 htole16(sc->DD_column_map[column].
2710 cm->cm_desc.SCSIIO.DevHandle =
2713 physLBA = (stripe_unit <<
2714 sc->DD_stripe_exponent) +
2718 * Set upper 4 bytes of LBA to 0. We
2719 * assume that the phys disks are less
2720 * than 2 TB's in size. Then, set the
2723 pIO_req->CDB.CDB32[2] = 0;
2724 pIO_req->CDB.CDB32[3] = 0;
2725 pIO_req->CDB.CDB32[4] = 0;
2726 pIO_req->CDB.CDB32[5] = 0;
2727 ptrLBA = &pIO_req->CDB.CDB32[6];
2728 physLBA_byte = (uint8_t)(physLBA >> 24);
2729 *ptrLBA = physLBA_byte;
2730 ptrLBA = &pIO_req->CDB.CDB32[7];
2731 physLBA_byte = (uint8_t)(physLBA >> 16);
2732 *ptrLBA = physLBA_byte;
2733 ptrLBA = &pIO_req->CDB.CDB32[8];
2734 physLBA_byte = (uint8_t)(physLBA >> 8);
2735 *ptrLBA = physLBA_byte;
2736 ptrLBA = &pIO_req->CDB.CDB32[9];
2737 physLBA_byte = (uint8_t)physLBA;
2738 *ptrLBA = physLBA_byte;
2741 * Set flag that Direct Drive I/O is
2744 cm->cm_flags |= MPS_CM_FLAGS_DD_IO;
2751 #if __FreeBSD_version >= 900026
2753 mpssas_smpio_complete(struct mps_softc *sc, struct mps_command *cm)
2755 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
2756 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2760 ccb = cm->cm_complete_data;
2763 * Currently there should be no way we can hit this case. It only
2764 * happens when we have a failure to allocate chain frames, and SMP
2765 * commands require two S/G elements only. That should be handled
2766 * in the standard request size.
2768 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
2769 mps_dprint(sc, MPS_ERROR,"%s: cm_flags = %#x on SMP request!\n",
2770 __func__, cm->cm_flags);
2771 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2775 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
2777 mps_dprint(sc, MPS_ERROR, "%s: NULL cm_reply!\n", __func__);
2778 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2782 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2783 sasaddr = le32toh(req->SASAddress.Low);
2784 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
2786 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
2787 MPI2_IOCSTATUS_SUCCESS ||
2788 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
2789 mps_dprint(sc, MPS_XINFO, "%s: IOCStatus %04x SASStatus %02x\n",
2790 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus);
2791 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2795 mps_dprint(sc, MPS_XINFO, "%s: SMP request to SAS address "
2796 "%#jx completed successfully\n", __func__,
2797 (uintmax_t)sasaddr);
2799 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
2800 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
2802 mpssas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR);
2806 * We sync in both directions because we had DMAs in the S/G list
2807 * in both directions.
2809 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
2810 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
2811 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2812 mps_free_command(sc, cm);
2817 mpssas_send_smpcmd(struct mpssas_softc *sassc, union ccb *ccb, uint64_t sasaddr)
2819 struct mps_command *cm;
2820 uint8_t *request, *response;
2821 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2822 struct mps_softc *sc;
2831 * XXX We don't yet support physical addresses here.
2833 switch ((ccb->ccb_h.flags & CAM_DATA_MASK)) {
2834 case CAM_DATA_PADDR:
2835 case CAM_DATA_SG_PADDR:
2836 mps_dprint(sc, MPS_ERROR,
2837 "%s: physical addresses not supported\n", __func__);
2838 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2843 * The chip does not support more than one buffer for the
2844 * request or response.
2846 if ((ccb->smpio.smp_request_sglist_cnt > 1)
2847 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
2848 mps_dprint(sc, MPS_ERROR,
2849 "%s: multiple request or response "
2850 "buffer segments not supported for SMP\n",
2852 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2858 * The CAM_SCATTER_VALID flag was originally implemented
2859 * for the XPT_SCSI_IO CCB, which only has one data pointer.
2860 * We have two. So, just take that flag to mean that we
2861 * might have S/G lists, and look at the S/G segment count
2862 * to figure out whether that is the case for each individual
2865 if (ccb->smpio.smp_request_sglist_cnt != 0) {
2866 bus_dma_segment_t *req_sg;
2868 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
2869 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
2871 request = ccb->smpio.smp_request;
2873 if (ccb->smpio.smp_response_sglist_cnt != 0) {
2874 bus_dma_segment_t *rsp_sg;
2876 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
2877 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
2879 response = ccb->smpio.smp_response;
2881 case CAM_DATA_VADDR:
2882 request = ccb->smpio.smp_request;
2883 response = ccb->smpio.smp_response;
2886 mpssas_set_ccbstatus(ccb, CAM_REQ_INVALID);
2891 cm = mps_alloc_command(sc);
2893 mps_dprint(sc, MPS_ERROR,
2894 "%s: cannot allocate command\n", __func__);
2895 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
2900 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
2901 bzero(req, sizeof(*req));
2902 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
2904 /* Allow the chip to use any route to this SAS address. */
2905 req->PhysicalPort = 0xff;
2907 req->RequestDataLength = htole16(ccb->smpio.smp_request_len);
2909 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
2911 mps_dprint(sc, MPS_XINFO, "%s: sending SMP request to SAS "
2912 "address %#jx\n", __func__, (uintmax_t)sasaddr);
2914 mpi_init_sge(cm, req, &req->SGL);
2917 * Set up a uio to pass into mps_map_command(). This allows us to
2918 * do one map command, and one busdma call in there.
2920 cm->cm_uio.uio_iov = cm->cm_iovec;
2921 cm->cm_uio.uio_iovcnt = 2;
2922 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
2925 * The read/write flag isn't used by busdma, but set it just in
2926 * case. This isn't exactly accurate, either, since we're going in
2929 cm->cm_uio.uio_rw = UIO_WRITE;
2931 cm->cm_iovec[0].iov_base = request;
2932 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength);
2933 cm->cm_iovec[1].iov_base = response;
2934 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
2936 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
2937 cm->cm_iovec[1].iov_len;
2940 * Trigger a warning message in mps_data_cb() for the user if we
2941 * wind up exceeding two S/G segments. The chip expects one
2942 * segment for the request and another for the response.
2944 cm->cm_max_segs = 2;
2946 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
2947 cm->cm_complete = mpssas_smpio_complete;
2948 cm->cm_complete_data = ccb;
2951 * Tell the mapping code that we're using a uio, and that this is
2952 * an SMP passthrough request. There is a little special-case
2953 * logic there (in mps_data_cb()) to handle the bidirectional
2956 cm->cm_flags |= MPS_CM_FLAGS_USE_UIO | MPS_CM_FLAGS_SMP_PASS |
2957 MPS_CM_FLAGS_DATAIN | MPS_CM_FLAGS_DATAOUT;
2959 /* The chip data format is little endian. */
2960 req->SASAddress.High = htole32(sasaddr >> 32);
2961 req->SASAddress.Low = htole32(sasaddr);
2964 * XXX Note that we don't have a timeout/abort mechanism here.
2965 * From the manual, it looks like task management requests only
2966 * work for SCSI IO and SATA passthrough requests. We may need to
2967 * have a mechanism to retry requests in the event of a chip reset
2968 * at least. Hopefully the chip will insure that any errors short
2969 * of that are relayed back to the driver.
2971 error = mps_map_command(sc, cm);
2972 if ((error != 0) && (error != EINPROGRESS)) {
2973 mps_dprint(sc, MPS_ERROR,
2974 "%s: error %d returned from mps_map_command()\n",
2982 mps_free_command(sc, cm);
2983 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
2990 mpssas_action_smpio(struct mpssas_softc *sassc, union ccb *ccb)
2992 struct mps_softc *sc;
2993 struct mpssas_target *targ;
2994 uint64_t sasaddr = 0;
2999 * Make sure the target exists.
3001 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
3002 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id));
3003 targ = &sassc->targets[ccb->ccb_h.target_id];
3004 if (targ->handle == 0x0) {
3005 mps_dprint(sc, MPS_ERROR,
3006 "%s: target %d does not exist!\n", __func__,
3007 ccb->ccb_h.target_id);
3008 mpssas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
3014 * If this device has an embedded SMP target, we'll talk to it
3016 * figure out what the expander's address is.
3018 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
3019 sasaddr = targ->sasaddr;
3022 * If we don't have a SAS address for the expander yet, try
3023 * grabbing it from the page 0x83 information cached in the
3024 * transport layer for this target. LSI expanders report the
3025 * expander SAS address as the port-associated SAS address in
3026 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
3029 * XXX KDM disable this for now, but leave it commented out so that
3030 * it is obvious that this is another possible way to get the SAS
3033 * The parent handle method below is a little more reliable, and
3034 * the other benefit is that it works for devices other than SES
3035 * devices. So you can send a SMP request to a da(4) device and it
3036 * will get routed to the expander that device is attached to.
3037 * (Assuming the da(4) device doesn't contain an SMP target...)
3041 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
3045 * If we still don't have a SAS address for the expander, look for
3046 * the parent device of this device, which is probably the expander.
3049 #ifdef OLD_MPS_PROBE
3050 struct mpssas_target *parent_target;
3053 if (targ->parent_handle == 0x0) {
3054 mps_dprint(sc, MPS_ERROR,
3055 "%s: handle %d does not have a valid "
3056 "parent handle!\n", __func__, targ->handle);
3057 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3060 #ifdef OLD_MPS_PROBE
3061 parent_target = mpssas_find_target_by_handle(sassc, 0,
3062 targ->parent_handle);
3064 if (parent_target == NULL) {
3065 mps_dprint(sc, MPS_ERROR,
3066 "%s: handle %d does not have a valid "
3067 "parent target!\n", __func__, targ->handle);
3068 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3072 if ((parent_target->devinfo &
3073 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3074 mps_dprint(sc, MPS_ERROR,
3075 "%s: handle %d parent %d does not "
3076 "have an SMP target!\n", __func__,
3077 targ->handle, parent_target->handle);
3078 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3083 sasaddr = parent_target->sasaddr;
3084 #else /* OLD_MPS_PROBE */
3085 if ((targ->parent_devinfo &
3086 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3087 mps_dprint(sc, MPS_ERROR,
3088 "%s: handle %d parent %d does not "
3089 "have an SMP target!\n", __func__,
3090 targ->handle, targ->parent_handle);
3091 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3095 if (targ->parent_sasaddr == 0x0) {
3096 mps_dprint(sc, MPS_ERROR,
3097 "%s: handle %d parent handle %d does "
3098 "not have a valid SAS address!\n",
3099 __func__, targ->handle, targ->parent_handle);
3100 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3104 sasaddr = targ->parent_sasaddr;
3105 #endif /* OLD_MPS_PROBE */
3110 mps_dprint(sc, MPS_INFO,
3111 "%s: unable to find SAS address for handle %d\n",
3112 __func__, targ->handle);
3113 mpssas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3116 mpssas_send_smpcmd(sassc, ccb, sasaddr);
3124 #endif //__FreeBSD_version >= 900026
3127 mpssas_action_resetdev(struct mpssas_softc *sassc, union ccb *ccb)
3129 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3130 struct mps_softc *sc;
3131 struct mps_command *tm;
3132 struct mpssas_target *targ;
3134 MPS_FUNCTRACE(sassc->sc);
3135 mtx_assert(&sassc->sc->mps_mtx, MA_OWNED);
3137 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
3138 ("Target %d out of bounds in XPT_RESET_DEV\n",
3139 ccb->ccb_h.target_id));
3141 tm = mps_alloc_command(sc);
3143 mps_dprint(sc, MPS_ERROR,
3144 "command alloc failure in mpssas_action_resetdev\n");
3145 mpssas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
3150 targ = &sassc->targets[ccb->ccb_h.target_id];
3151 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3152 req->DevHandle = htole16(targ->handle);
3153 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3154 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3156 /* SAS Hard Link Reset / SATA Link Reset */
3157 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
3160 tm->cm_desc.HighPriority.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
3161 tm->cm_complete = mpssas_resetdev_complete;
3162 tm->cm_complete_data = ccb;
3164 targ->flags |= MPSSAS_TARGET_INRESET;
3166 mps_map_command(sc, tm);
3170 mpssas_resetdev_complete(struct mps_softc *sc, struct mps_command *tm)
3172 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
3176 mtx_assert(&sc->mps_mtx, MA_OWNED);
3178 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
3179 ccb = tm->cm_complete_data;
3182 * Currently there should be no way we can hit this case. It only
3183 * happens when we have a failure to allocate chain frames, and
3184 * task management commands don't have S/G lists.
3186 if ((tm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
3187 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3189 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3191 mps_dprint(sc, MPS_ERROR,
3192 "%s: cm_flags = %#x for reset of handle %#04x! "
3193 "This should not happen!\n", __func__, tm->cm_flags,
3195 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3199 mps_dprint(sc, MPS_XINFO,
3200 "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n", __func__,
3201 le16toh(resp->IOCStatus), le32toh(resp->ResponseCode));
3203 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
3204 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP);
3205 mpssas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
3209 mpssas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3213 mpssas_free_tm(sc, tm);
3218 mpssas_poll(struct cam_sim *sim)
3220 struct mpssas_softc *sassc;
3222 sassc = cam_sim_softc(sim);
3224 if (sassc->sc->mps_debug & MPS_TRACE) {
3225 /* frequent debug messages during a panic just slow
3226 * everything down too much.
3228 mps_printf(sassc->sc, "%s clearing MPS_TRACE\n", __func__);
3229 sassc->sc->mps_debug &= ~MPS_TRACE;
3232 mps_intr_locked(sassc->sc);
3236 mpssas_async(void *callback_arg, uint32_t code, struct cam_path *path,
3239 struct mps_softc *sc;
3241 sc = (struct mps_softc *)callback_arg;
3244 #if (__FreeBSD_version >= 1000006) || \
3245 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
3246 case AC_ADVINFO_CHANGED: {
3247 struct mpssas_target *target;
3248 struct mpssas_softc *sassc;
3249 struct scsi_read_capacity_data_long rcap_buf;
3250 struct ccb_dev_advinfo cdai;
3251 struct mpssas_lun *lun;
3256 buftype = (uintptr_t)arg;
3262 * We're only interested in read capacity data changes.
3264 if (buftype != CDAI_TYPE_RCAPLONG)
3268 * We should have a handle for this, but check to make sure.
3270 KASSERT(xpt_path_target_id(path) < sassc->maxtargets,
3271 ("Target %d out of bounds in mpssas_async\n",
3272 xpt_path_target_id(path)));
3273 target = &sassc->targets[xpt_path_target_id(path)];
3274 if (target->handle == 0)
3277 lunid = xpt_path_lun_id(path);
3279 SLIST_FOREACH(lun, &target->luns, lun_link) {
3280 if (lun->lun_id == lunid) {
3286 if (found_lun == 0) {
3287 lun = malloc(sizeof(struct mpssas_lun), M_MPT2,
3290 mps_dprint(sc, MPS_ERROR, "Unable to alloc "
3291 "LUN for EEDP support.\n");
3294 lun->lun_id = lunid;
3295 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3298 bzero(&rcap_buf, sizeof(rcap_buf));
3299 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL);
3300 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3301 cdai.ccb_h.flags = CAM_DIR_IN;
3302 cdai.buftype = CDAI_TYPE_RCAPLONG;
3303 #if (__FreeBSD_version >= 1100061) || \
3304 ((__FreeBSD_version >= 1001510) && (__FreeBSD_version < 1100000))
3305 cdai.flags = CDAI_FLAG_NONE;
3309 cdai.bufsiz = sizeof(rcap_buf);
3310 cdai.buf = (uint8_t *)&rcap_buf;
3311 xpt_action((union ccb *)&cdai);
3312 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3313 cam_release_devq(cdai.ccb_h.path,
3316 if ((mpssas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP)
3317 && (rcap_buf.prot & SRC16_PROT_EN)) {
3318 lun->eedp_formatted = TRUE;
3319 lun->eedp_block_size = scsi_4btoul(rcap_buf.length);
3321 lun->eedp_formatted = FALSE;
3322 lun->eedp_block_size = 0;
3327 case AC_FOUND_DEVICE: {
3328 struct ccb_getdev *cgd;
3331 mpssas_check_eedp(sc, path, cgd);
3340 #if (__FreeBSD_version < 901503) || \
3341 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3343 mpssas_check_eedp(struct mps_softc *sc, struct cam_path *path,
3344 struct ccb_getdev *cgd)
3346 struct mpssas_softc *sassc = sc->sassc;
3347 struct ccb_scsiio *csio;
3348 struct scsi_read_capacity_16 *scsi_cmd;
3349 struct scsi_read_capacity_eedp *rcap_buf;
3351 target_id_t targetid;
3354 struct cam_path *local_path;
3355 struct mpssas_target *target;
3356 struct mpssas_lun *lun;
3361 pathid = cam_sim_path(sassc->sim);
3362 targetid = xpt_path_target_id(path);
3363 lunid = xpt_path_lun_id(path);
3365 KASSERT(targetid < sassc->maxtargets,
3366 ("Target %d out of bounds in mpssas_check_eedp\n",
3368 target = &sassc->targets[targetid];
3369 if (target->handle == 0x0)
3373 * Determine if the device is EEDP capable.
3375 * If this flag is set in the inquiry data,
3376 * the device supports protection information,
3377 * and must support the 16 byte read
3378 * capacity command, otherwise continue without
3379 * sending read cap 16
3381 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0)
3385 * Issue a READ CAPACITY 16 command. This info
3386 * is used to determine if the LUN is formatted
3389 ccb = xpt_alloc_ccb_nowait();
3391 mps_dprint(sc, MPS_ERROR, "Unable to alloc CCB "
3392 "for EEDP support.\n");
3396 if (xpt_create_path(&local_path, xpt_periph,
3397 pathid, targetid, lunid) != CAM_REQ_CMP) {
3398 mps_dprint(sc, MPS_ERROR, "Unable to create "
3399 "path for EEDP support\n");
3405 * If LUN is already in list, don't create a new
3409 SLIST_FOREACH(lun, &target->luns, lun_link) {
3410 if (lun->lun_id == lunid) {
3416 lun = malloc(sizeof(struct mpssas_lun), M_MPT2,
3419 mps_dprint(sc, MPS_ERROR,
3420 "Unable to alloc LUN for EEDP support.\n");
3421 xpt_free_path(local_path);
3425 lun->lun_id = lunid;
3426 SLIST_INSERT_HEAD(&target->luns, lun,
3430 xpt_path_string(local_path, path_str, sizeof(path_str));
3432 mps_dprint(sc, MPS_INFO, "Sending read cap: path %s handle %d\n",
3433 path_str, target->handle);
3436 * Issue a READ CAPACITY 16 command for the LUN.
3437 * The mpssas_read_cap_done function will load
3438 * the read cap info into the LUN struct.
3440 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp),
3441 M_MPT2, M_NOWAIT | M_ZERO);
3442 if (rcap_buf == NULL) {
3443 mps_dprint(sc, MPS_FAULT,
3444 "Unable to alloc read capacity buffer for EEDP support.\n");
3445 xpt_free_path(ccb->ccb_h.path);
3449 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT);
3451 csio->ccb_h.func_code = XPT_SCSI_IO;
3452 csio->ccb_h.flags = CAM_DIR_IN;
3453 csio->ccb_h.retry_count = 4;
3454 csio->ccb_h.cbfcnp = mpssas_read_cap_done;
3455 csio->ccb_h.timeout = 60000;
3456 csio->data_ptr = (uint8_t *)rcap_buf;
3457 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp);
3458 csio->sense_len = MPS_SENSE_LEN;
3459 csio->cdb_len = sizeof(*scsi_cmd);
3460 csio->tag_action = MSG_SIMPLE_Q_TAG;
3462 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
3463 bzero(scsi_cmd, sizeof(*scsi_cmd));
3464 scsi_cmd->opcode = 0x9E;
3465 scsi_cmd->service_action = SRC16_SERVICE_ACTION;
3466 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp);
3468 ccb->ccb_h.ppriv_ptr1 = sassc;
3473 mpssas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb)
3475 struct mpssas_softc *sassc;
3476 struct mpssas_target *target;
3477 struct mpssas_lun *lun;
3478 struct scsi_read_capacity_eedp *rcap_buf;
3480 if (done_ccb == NULL)
3483 /* Driver need to release devq, it Scsi command is
3484 * generated by driver internally.
3485 * Currently there is a single place where driver
3486 * calls scsi command internally. In future if driver
3487 * calls more scsi command internally, it needs to release
3488 * devq internally, since those command will not go back to
3491 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) {
3492 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3493 xpt_release_devq(done_ccb->ccb_h.path,
3494 /*count*/ 1, /*run_queue*/TRUE);
3497 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr;
3500 * Get the LUN ID for the path and look it up in the LUN list for the
3503 sassc = (struct mpssas_softc *)done_ccb->ccb_h.ppriv_ptr1;
3504 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets,
3505 ("Target %d out of bounds in mpssas_read_cap_done\n",
3506 done_ccb->ccb_h.target_id));
3507 target = &sassc->targets[done_ccb->ccb_h.target_id];
3508 SLIST_FOREACH(lun, &target->luns, lun_link) {
3509 if (lun->lun_id != done_ccb->ccb_h.target_lun)
3513 * Got the LUN in the target's LUN list. Fill it in
3514 * with EEDP info. If the READ CAP 16 command had some
3515 * SCSI error (common if command is not supported), mark
3516 * the lun as not supporting EEDP and set the block size
3519 if ((mpssas_get_ccbstatus(done_ccb) != CAM_REQ_CMP)
3520 || (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) {
3521 lun->eedp_formatted = FALSE;
3522 lun->eedp_block_size = 0;
3526 if (rcap_buf->protect & 0x01) {
3527 mps_dprint(sassc->sc, MPS_INFO, "LUN %d for "
3528 "target ID %d is formatted for EEDP "
3529 "support.\n", done_ccb->ccb_h.target_lun,
3530 done_ccb->ccb_h.target_id);
3531 lun->eedp_formatted = TRUE;
3532 lun->eedp_block_size = scsi_4btoul(rcap_buf->length);
3537 // Finished with this CCB and path.
3538 free(rcap_buf, M_MPT2);
3539 xpt_free_path(done_ccb->ccb_h.path);
3540 xpt_free_ccb(done_ccb);
3542 #endif /* (__FreeBSD_version < 901503) || \
3543 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */
3546 mpssas_prepare_for_tm(struct mps_softc *sc, struct mps_command *tm,
3547 struct mpssas_target *target, lun_id_t lun_id)
3553 * Set the INRESET flag for this target so that no I/O will be sent to
3554 * the target until the reset has completed. If an I/O request does
3555 * happen, the devq will be frozen. The CCB holds the path which is
3556 * used to release the devq. The devq is released and the CCB is freed
3557 * when the TM completes.
3559 ccb = xpt_alloc_ccb_nowait();
3561 path_id = cam_sim_path(sc->sassc->sim);
3562 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, path_id,
3563 target->tid, lun_id) != CAM_REQ_CMP) {
3567 tm->cm_targ = target;
3568 target->flags |= MPSSAS_TARGET_INRESET;
3574 mpssas_startup(struct mps_softc *sc)
3578 * Send the port enable message and set the wait_for_port_enable flag.
3579 * This flag helps to keep the simq frozen until all discovery events
3582 sc->wait_for_port_enable = 1;
3583 mpssas_send_portenable(sc);
3588 mpssas_send_portenable(struct mps_softc *sc)
3590 MPI2_PORT_ENABLE_REQUEST *request;
3591 struct mps_command *cm;
3595 if ((cm = mps_alloc_command(sc)) == NULL)
3597 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req;
3598 request->Function = MPI2_FUNCTION_PORT_ENABLE;
3599 request->MsgFlags = 0;
3601 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3602 cm->cm_complete = mpssas_portenable_complete;
3606 mps_map_command(sc, cm);
3607 mps_dprint(sc, MPS_XINFO,
3608 "mps_send_portenable finished cm %p req %p complete %p\n",
3609 cm, cm->cm_req, cm->cm_complete);
3614 mpssas_portenable_complete(struct mps_softc *sc, struct mps_command *cm)
3616 MPI2_PORT_ENABLE_REPLY *reply;
3617 struct mpssas_softc *sassc;
3623 * Currently there should be no way we can hit this case. It only
3624 * happens when we have a failure to allocate chain frames, and
3625 * port enable commands don't have S/G lists.
3627 if ((cm->cm_flags & MPS_CM_FLAGS_ERROR_MASK) != 0) {
3628 mps_dprint(sc, MPS_ERROR, "%s: cm_flags = %#x for port enable! "
3629 "This should not happen!\n", __func__, cm->cm_flags);
3632 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply;
3634 mps_dprint(sc, MPS_FAULT, "Portenable NULL reply\n");
3635 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) !=
3636 MPI2_IOCSTATUS_SUCCESS)
3637 mps_dprint(sc, MPS_FAULT, "Portenable failed\n");
3639 mps_free_command(sc, cm);
3640 if (sc->mps_ich.ich_arg != NULL) {
3641 mps_dprint(sc, MPS_XINFO, "disestablish config intrhook\n");
3642 config_intrhook_disestablish(&sc->mps_ich);
3643 sc->mps_ich.ich_arg = NULL;
3647 * Get WarpDrive info after discovery is complete but before the scan
3648 * starts. At this point, all devices are ready to be exposed to the
3649 * OS. If devices should be hidden instead, take them out of the
3650 * 'targets' array before the scan. The devinfo for a disk will have
3651 * some info and a volume's will be 0. Use that to remove disks.
3653 mps_wd_config_pages(sc);
3656 * Done waiting for port enable to complete. Decrement the refcount.
3657 * If refcount is 0, discovery is complete and a rescan of the bus can
3658 * take place. Since the simq was explicitly frozen before port
3659 * enable, it must be explicitly released here to keep the
3660 * freeze/release count in sync.
3662 sc->wait_for_port_enable = 0;
3663 sc->port_enable_complete = 1;
3664 wakeup(&sc->port_enable_complete);
3665 mpssas_startup_decrement(sassc);
3669 mpssas_check_id(struct mpssas_softc *sassc, int id)
3671 struct mps_softc *sc = sassc->sc;
3675 ids = &sc->exclude_ids[0];
3676 while((name = strsep(&ids, ",")) != NULL) {
3677 if (name[0] == '\0')
3679 if (strtol(name, NULL, 0) == (long)id)
3687 mpssas_realloc_targets(struct mps_softc *sc, int maxtargets)
3689 struct mpssas_softc *sassc;
3690 struct mpssas_lun *lun, *lun_tmp;
3691 struct mpssas_target *targ;
3696 * The number of targets is based on IOC Facts, so free all of
3697 * the allocated LUNs for each target and then the target buffer
3700 for (i=0; i< maxtargets; i++) {
3701 targ = &sassc->targets[i];
3702 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
3706 free(sassc->targets, M_MPT2);
3708 sassc->targets = malloc(sizeof(struct mpssas_target) * maxtargets,
3709 M_MPT2, M_WAITOK|M_ZERO);
3710 if (!sassc->targets) {
3711 panic("%s failed to alloc targets with error %d\n",