2 * Copyright (c) 2009 Yahoo! Inc.
3 * Copyright (c) 2011-2015 LSI Corp.
4 * Copyright (c) 2013-2016 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
32 #include <sys/cdefs.h>
33 __FBSDID("$FreeBSD$");
35 /* Communications core for Avago Technologies (LSI) MPT3 */
37 /* TODO Move headers to mprvar */
38 #include <sys/types.h>
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/kernel.h>
42 #include <sys/selinfo.h>
43 #include <sys/module.h>
47 #include <sys/malloc.h>
49 #include <sys/sysctl.h>
50 #include <sys/endian.h>
51 #include <sys/queue.h>
52 #include <sys/kthread.h>
53 #include <sys/taskqueue.h>
56 #include <machine/bus.h>
57 #include <machine/resource.h>
60 #include <machine/stdarg.h>
63 #include <cam/cam_ccb.h>
64 #include <cam/cam_debug.h>
65 #include <cam/cam_sim.h>
66 #include <cam/cam_xpt_sim.h>
67 #include <cam/cam_xpt_periph.h>
68 #include <cam/cam_periph.h>
69 #include <cam/scsi/scsi_all.h>
70 #include <cam/scsi/scsi_message.h>
71 #if __FreeBSD_version >= 900026
72 #include <cam/scsi/smp_all.h>
75 #include <dev/nvme/nvme.h>
77 #include <dev/mpr/mpi/mpi2_type.h>
78 #include <dev/mpr/mpi/mpi2.h>
79 #include <dev/mpr/mpi/mpi2_ioc.h>
80 #include <dev/mpr/mpi/mpi2_sas.h>
81 #include <dev/mpr/mpi/mpi2_pci.h>
82 #include <dev/mpr/mpi/mpi2_cnfg.h>
83 #include <dev/mpr/mpi/mpi2_init.h>
84 #include <dev/mpr/mpi/mpi2_tool.h>
85 #include <dev/mpr/mpr_ioctl.h>
86 #include <dev/mpr/mprvar.h>
87 #include <dev/mpr/mpr_table.h>
88 #include <dev/mpr/mpr_sas.h>
90 #define MPRSAS_DISCOVERY_TIMEOUT 20
91 #define MPRSAS_MAX_DISCOVERY_TIMEOUTS 10 /* 200 seconds */
94 * static array to check SCSI OpCode for EEDP protection bits
96 #define PRO_R MPI2_SCSIIO_EEDPFLAGS_CHECK_REMOVE_OP
97 #define PRO_W MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
98 #define PRO_V MPI2_SCSIIO_EEDPFLAGS_INSERT_OP
99 static uint8_t op_code_prot[256] = {
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, 0, 0, 0, 0, 0, 0, 0, 0,
102 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
103 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
104 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
105 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
106 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
107 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
108 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
109 0, 0, 0, PRO_W, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
110 0, 0, 0, 0, 0, 0, 0, 0, PRO_R, 0, PRO_W, 0, 0, 0, PRO_W, PRO_V,
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,
115 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
118 MALLOC_DEFINE(M_MPRSAS, "MPRSAS", "MPR SAS memory");
120 static void mprsas_remove_device(struct mpr_softc *, struct mpr_command *);
121 static void mprsas_remove_complete(struct mpr_softc *, struct mpr_command *);
122 static void mprsas_action(struct cam_sim *sim, union ccb *ccb);
123 static void mprsas_poll(struct cam_sim *sim);
124 static void mprsas_scsiio_timeout(void *data);
125 static void mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *cm);
126 static void mprsas_action_scsiio(struct mprsas_softc *, union ccb *);
127 static void mprsas_scsiio_complete(struct mpr_softc *, struct mpr_command *);
128 static void mprsas_action_resetdev(struct mprsas_softc *, union ccb *);
129 static void mprsas_resetdev_complete(struct mpr_softc *, struct mpr_command *);
130 static int mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm,
131 struct mpr_command *cm);
132 static void mprsas_async(void *callback_arg, uint32_t code,
133 struct cam_path *path, void *arg);
134 #if (__FreeBSD_version < 901503) || \
135 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
136 static void mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path,
137 struct ccb_getdev *cgd);
138 static void mprsas_read_cap_done(struct cam_periph *periph,
139 union ccb *done_ccb);
141 static int mprsas_send_portenable(struct mpr_softc *sc);
142 static void mprsas_portenable_complete(struct mpr_softc *sc,
143 struct mpr_command *cm);
145 #if __FreeBSD_version >= 900026
146 static void mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm);
147 static void mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb,
149 static void mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb);
150 #endif //FreeBSD_version >= 900026
152 struct mprsas_target *
153 mprsas_find_target_by_handle(struct mprsas_softc *sassc, int start,
156 struct mprsas_target *target;
159 for (i = start; i < sassc->maxtargets; i++) {
160 target = &sassc->targets[i];
161 if (target->handle == handle)
168 /* we need to freeze the simq during attach and diag reset, to avoid failing
169 * commands before device handles have been found by discovery. Since
170 * discovery involves reading config pages and possibly sending commands,
171 * discovery actions may continue even after we receive the end of discovery
172 * event, so refcount discovery actions instead of assuming we can unfreeze
173 * the simq when we get the event.
176 mprsas_startup_increment(struct mprsas_softc *sassc)
178 MPR_FUNCTRACE(sassc->sc);
180 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) {
181 if (sassc->startup_refcount++ == 0) {
182 /* just starting, freeze the simq */
183 mpr_dprint(sassc->sc, MPR_INIT,
184 "%s freezing simq\n", __func__);
185 #if (__FreeBSD_version >= 1000039) || \
186 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
189 xpt_freeze_simq(sassc->sim, 1);
191 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__,
192 sassc->startup_refcount);
197 mprsas_release_simq_reinit(struct mprsas_softc *sassc)
199 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
200 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
201 xpt_release_simq(sassc->sim, 1);
202 mpr_dprint(sassc->sc, MPR_INFO, "Unfreezing SIM queue\n");
207 mprsas_startup_decrement(struct mprsas_softc *sassc)
209 MPR_FUNCTRACE(sassc->sc);
211 if ((sassc->flags & MPRSAS_IN_STARTUP) != 0) {
212 if (--sassc->startup_refcount == 0) {
213 /* finished all discovery-related actions, release
214 * the simq and rescan for the latest topology.
216 mpr_dprint(sassc->sc, MPR_INIT,
217 "%s releasing simq\n", __func__);
218 sassc->flags &= ~MPRSAS_IN_STARTUP;
219 xpt_release_simq(sassc->sim, 1);
220 #if (__FreeBSD_version >= 1000039) || \
221 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
224 mprsas_rescan_target(sassc->sc, NULL);
227 mpr_dprint(sassc->sc, MPR_INIT, "%s refcount %u\n", __func__,
228 sassc->startup_refcount);
232 /* The firmware requires us to stop sending commands when we're doing task
233 * management, so refcount the TMs and keep the simq frozen when any are in
237 mprsas_alloc_tm(struct mpr_softc *sc)
239 struct mpr_command *tm;
242 tm = mpr_alloc_high_priority_command(sc);
247 mprsas_free_tm(struct mpr_softc *sc, struct mpr_command *tm)
249 int target_id = 0xFFFFFFFF;
256 * For TM's the devq is frozen for the device. Unfreeze it here and
257 * free the resources used for freezing the devq. Must clear the
258 * INRESET flag as well or scsi I/O will not work.
260 if (tm->cm_targ != NULL) {
261 tm->cm_targ->flags &= ~MPRSAS_TARGET_INRESET;
262 target_id = tm->cm_targ->tid;
265 mpr_dprint(sc, MPR_INFO, "Unfreezing devq for target ID %d\n",
267 xpt_release_devq(tm->cm_ccb->ccb_h.path, 1, TRUE);
268 xpt_free_path(tm->cm_ccb->ccb_h.path);
269 xpt_free_ccb(tm->cm_ccb);
272 mpr_free_high_priority_command(sc, tm);
276 mprsas_rescan_target(struct mpr_softc *sc, struct mprsas_target *targ)
278 struct mprsas_softc *sassc = sc->sassc;
280 target_id_t targetid;
284 pathid = cam_sim_path(sassc->sim);
286 targetid = CAM_TARGET_WILDCARD;
288 targetid = targ - sassc->targets;
291 * Allocate a CCB and schedule a rescan.
293 ccb = xpt_alloc_ccb_nowait();
295 mpr_dprint(sc, MPR_ERROR, "unable to alloc CCB for rescan\n");
299 if (xpt_create_path(&ccb->ccb_h.path, NULL, pathid, targetid,
300 CAM_LUN_WILDCARD) != CAM_REQ_CMP) {
301 mpr_dprint(sc, MPR_ERROR, "unable to create path for rescan\n");
306 if (targetid == CAM_TARGET_WILDCARD)
307 ccb->ccb_h.func_code = XPT_SCAN_BUS;
309 ccb->ccb_h.func_code = XPT_SCAN_TGT;
311 mpr_dprint(sc, MPR_TRACE, "%s targetid %u\n", __func__, targetid);
316 mprsas_log_command(struct mpr_command *cm, u_int level, const char *fmt, ...)
326 /* No need to be in here if debugging isn't enabled */
327 if ((cm->cm_sc->mpr_debug & level) == 0)
330 sbuf_new(&sb, str, sizeof(str), 0);
334 if (cm->cm_ccb != NULL) {
335 xpt_path_string(cm->cm_ccb->csio.ccb_h.path, path_str,
337 sbuf_cat(&sb, path_str);
338 if (cm->cm_ccb->ccb_h.func_code == XPT_SCSI_IO) {
339 scsi_command_string(&cm->cm_ccb->csio, &sb);
340 sbuf_printf(&sb, "length %d ",
341 cm->cm_ccb->csio.dxfer_len);
344 sbuf_printf(&sb, "(noperiph:%s%d:%u:%u:%u): ",
345 cam_sim_name(cm->cm_sc->sassc->sim),
346 cam_sim_unit(cm->cm_sc->sassc->sim),
347 cam_sim_bus(cm->cm_sc->sassc->sim),
348 cm->cm_targ ? cm->cm_targ->tid : 0xFFFFFFFF,
352 sbuf_printf(&sb, "SMID %u ", cm->cm_desc.Default.SMID);
353 sbuf_vprintf(&sb, fmt, ap);
355 mpr_print_field(cm->cm_sc, "%s", sbuf_data(&sb));
361 mprsas_remove_volume(struct mpr_softc *sc, struct mpr_command *tm)
363 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
364 struct mprsas_target *targ;
369 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
370 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
374 /* XXX retry the remove after the diag reset completes? */
375 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device "
376 "0x%04x\n", __func__, handle);
377 mprsas_free_tm(sc, tm);
381 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
382 MPI2_IOCSTATUS_SUCCESS) {
383 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting "
384 "device 0x%x\n", le16toh(reply->IOCStatus), handle);
387 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n",
388 le32toh(reply->TerminationCount));
389 mpr_free_reply(sc, tm->cm_reply_data);
390 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
392 mpr_dprint(sc, MPR_XINFO, "clearing target %u handle 0x%04x\n",
396 * Don't clear target if remove fails because things will get confusing.
397 * Leave the devname and sasaddr intact so that we know to avoid reusing
398 * this target id if possible, and so we can assign the same target id
399 * to this device if it comes back in the future.
401 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
402 MPI2_IOCSTATUS_SUCCESS) {
405 targ->encl_handle = 0x0;
406 targ->encl_level_valid = 0x0;
407 targ->encl_level = 0x0;
408 targ->connector_name[0] = ' ';
409 targ->connector_name[1] = ' ';
410 targ->connector_name[2] = ' ';
411 targ->connector_name[3] = ' ';
412 targ->encl_slot = 0x0;
413 targ->exp_dev_handle = 0x0;
415 targ->linkrate = 0x0;
418 targ->scsi_req_desc_type = 0;
421 mprsas_free_tm(sc, tm);
426 * No Need to call "MPI2_SAS_OP_REMOVE_DEVICE" For Volume removal.
427 * Otherwise Volume Delete is same as Bare Drive Removal.
430 mprsas_prepare_volume_remove(struct mprsas_softc *sassc, uint16_t handle)
432 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
433 struct mpr_softc *sc;
434 struct mpr_command *cm;
435 struct mprsas_target *targ = NULL;
437 MPR_FUNCTRACE(sassc->sc);
440 targ = mprsas_find_target_by_handle(sassc, 0, handle);
442 /* FIXME: what is the action? */
443 /* We don't know about this device? */
444 mpr_dprint(sc, MPR_ERROR,
445 "%s %d : invalid handle 0x%x \n", __func__,__LINE__, handle);
449 targ->flags |= MPRSAS_TARGET_INREMOVAL;
451 cm = mprsas_alloc_tm(sc);
453 mpr_dprint(sc, MPR_ERROR,
454 "%s: command alloc failure\n", __func__);
458 mprsas_rescan_target(sc, targ);
460 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
461 req->DevHandle = targ->handle;
462 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
463 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
465 /* SAS Hard Link Reset / SATA Link Reset */
466 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
470 cm->cm_desc.HighPriority.RequestFlags =
471 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
472 cm->cm_complete = mprsas_remove_volume;
473 cm->cm_complete_data = (void *)(uintptr_t)handle;
475 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n",
476 __func__, targ->tid);
477 mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD);
479 mpr_map_command(sc, cm);
483 * The firmware performs debounce on the link to avoid transient link errors
484 * and false removals. When it does decide that link has been lost and a
485 * device needs to go away, it expects that the host will perform a target reset
486 * and then an op remove. The reset has the side-effect of aborting any
487 * outstanding requests for the device, which is required for the op-remove to
488 * succeed. It's not clear if the host should check for the device coming back
489 * alive after the reset.
492 mprsas_prepare_remove(struct mprsas_softc *sassc, uint16_t handle)
494 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
495 struct mpr_softc *sc;
496 struct mpr_command *cm;
497 struct mprsas_target *targ = NULL;
499 MPR_FUNCTRACE(sassc->sc);
503 targ = mprsas_find_target_by_handle(sassc, 0, handle);
505 /* FIXME: what is the action? */
506 /* We don't know about this device? */
507 mpr_dprint(sc, MPR_ERROR, "%s : invalid handle 0x%x \n",
512 targ->flags |= MPRSAS_TARGET_INREMOVAL;
514 cm = mprsas_alloc_tm(sc);
516 mpr_dprint(sc, MPR_ERROR, "%s: command alloc failure\n",
521 mprsas_rescan_target(sc, targ);
523 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)cm->cm_req;
524 memset(req, 0, sizeof(*req));
525 req->DevHandle = htole16(targ->handle);
526 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
527 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
529 /* SAS Hard Link Reset / SATA Link Reset */
530 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
534 cm->cm_desc.HighPriority.RequestFlags =
535 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
536 cm->cm_complete = mprsas_remove_device;
537 cm->cm_complete_data = (void *)(uintptr_t)handle;
539 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n",
540 __func__, targ->tid);
541 mprsas_prepare_for_tm(sc, cm, targ, CAM_LUN_WILDCARD);
543 mpr_map_command(sc, cm);
547 mprsas_remove_device(struct mpr_softc *sc, struct mpr_command *tm)
549 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
550 MPI2_SAS_IOUNIT_CONTROL_REQUEST *req;
551 struct mprsas_target *targ;
552 struct mpr_command *next_cm;
557 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
558 handle = (uint16_t)(uintptr_t)tm->cm_complete_data;
562 * Currently there should be no way we can hit this case. It only
563 * happens when we have a failure to allocate chain frames, and
564 * task management commands don't have S/G lists.
566 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
567 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for remove of "
568 "handle %#04x! This should not happen!\n", __func__,
569 tm->cm_flags, handle);
573 /* XXX retry the remove after the diag reset completes? */
574 mpr_dprint(sc, MPR_FAULT, "%s NULL reply resetting device "
575 "0x%04x\n", __func__, handle);
576 mprsas_free_tm(sc, tm);
580 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
581 MPI2_IOCSTATUS_SUCCESS) {
582 mpr_dprint(sc, MPR_ERROR, "IOCStatus = 0x%x while resetting "
583 "device 0x%x\n", le16toh(reply->IOCStatus), handle);
586 mpr_dprint(sc, MPR_XINFO, "Reset aborted %u commands\n",
587 le32toh(reply->TerminationCount));
588 mpr_free_reply(sc, tm->cm_reply_data);
589 tm->cm_reply = NULL; /* Ensures the reply won't get re-freed */
591 /* Reuse the existing command */
592 req = (MPI2_SAS_IOUNIT_CONTROL_REQUEST *)tm->cm_req;
593 memset(req, 0, sizeof(*req));
594 req->Function = MPI2_FUNCTION_SAS_IO_UNIT_CONTROL;
595 req->Operation = MPI2_SAS_OP_REMOVE_DEVICE;
596 req->DevHandle = htole16(handle);
598 tm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
599 tm->cm_complete = mprsas_remove_complete;
600 tm->cm_complete_data = (void *)(uintptr_t)handle;
602 mpr_map_command(sc, tm);
604 mpr_dprint(sc, MPR_INFO, "clearing target %u handle 0x%04x\n",
606 if (targ->encl_level_valid) {
607 mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, "
608 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
609 targ->connector_name);
611 TAILQ_FOREACH_SAFE(tm, &targ->commands, cm_link, next_cm) {
614 mpr_dprint(sc, MPR_XINFO, "Completing missed command %p\n", tm);
615 ccb = tm->cm_complete_data;
616 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
617 mprsas_scsiio_complete(sc, tm);
622 mprsas_remove_complete(struct mpr_softc *sc, struct mpr_command *tm)
624 MPI2_SAS_IOUNIT_CONTROL_REPLY *reply;
626 struct mprsas_target *targ;
627 struct mprsas_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 & MPR_CM_FLAGS_ERROR_MASK) != 0) {
640 mpr_dprint(sc, MPR_XINFO, "%s: cm_flags = %#x for remove of "
641 "handle %#04x! This should not happen!\n", __func__,
642 tm->cm_flags, handle);
643 mprsas_free_tm(sc, tm);
648 /* most likely a chip reset */
649 mpr_dprint(sc, MPR_FAULT, "%s NULL reply removing device "
650 "0x%04x\n", __func__, handle);
651 mprsas_free_tm(sc, tm);
655 mpr_dprint(sc, MPR_XINFO, "%s on handle 0x%04x, IOCStatus= 0x%x\n",
656 __func__, handle, le16toh(reply->IOCStatus));
659 * Don't clear target if remove fails because things will get confusing.
660 * Leave the devname and sasaddr intact so that we know to avoid reusing
661 * this target id if possible, and so we can assign the same target id
662 * to this device if it comes back in the future.
664 if ((le16toh(reply->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
665 MPI2_IOCSTATUS_SUCCESS) {
668 targ->encl_handle = 0x0;
669 targ->encl_level_valid = 0x0;
670 targ->encl_level = 0x0;
671 targ->connector_name[0] = ' ';
672 targ->connector_name[1] = ' ';
673 targ->connector_name[2] = ' ';
674 targ->connector_name[3] = ' ';
675 targ->encl_slot = 0x0;
676 targ->exp_dev_handle = 0x0;
678 targ->linkrate = 0x0;
681 targ->scsi_req_desc_type = 0;
683 while (!SLIST_EMPTY(&targ->luns)) {
684 lun = SLIST_FIRST(&targ->luns);
685 SLIST_REMOVE_HEAD(&targ->luns, lun_link);
690 mprsas_free_tm(sc, tm);
694 mprsas_register_events(struct mpr_softc *sc)
699 setbit(events, MPI2_EVENT_SAS_DEVICE_STATUS_CHANGE);
700 setbit(events, MPI2_EVENT_SAS_DISCOVERY);
701 setbit(events, MPI2_EVENT_SAS_BROADCAST_PRIMITIVE);
702 setbit(events, MPI2_EVENT_SAS_INIT_DEVICE_STATUS_CHANGE);
703 setbit(events, MPI2_EVENT_SAS_INIT_TABLE_OVERFLOW);
704 setbit(events, MPI2_EVENT_SAS_TOPOLOGY_CHANGE_LIST);
705 setbit(events, MPI2_EVENT_SAS_ENCL_DEVICE_STATUS_CHANGE);
706 setbit(events, MPI2_EVENT_IR_CONFIGURATION_CHANGE_LIST);
707 setbit(events, MPI2_EVENT_IR_VOLUME);
708 setbit(events, MPI2_EVENT_IR_PHYSICAL_DISK);
709 setbit(events, MPI2_EVENT_IR_OPERATION_STATUS);
710 setbit(events, MPI2_EVENT_TEMP_THRESHOLD);
711 if (sc->facts->MsgVersion >= MPI2_VERSION_02_06) {
712 setbit(events, MPI2_EVENT_ACTIVE_CABLE_EXCEPTION);
713 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) {
714 setbit(events, MPI2_EVENT_PCIE_DEVICE_STATUS_CHANGE);
715 setbit(events, MPI2_EVENT_PCIE_ENUMERATION);
716 setbit(events, MPI2_EVENT_PCIE_TOPOLOGY_CHANGE_LIST);
720 mpr_register_events(sc, events, mprsas_evt_handler, NULL,
721 &sc->sassc->mprsas_eh);
727 mpr_attach_sas(struct mpr_softc *sc)
729 struct mprsas_softc *sassc;
735 sassc = malloc(sizeof(struct mprsas_softc), M_MPR, M_WAITOK|M_ZERO);
737 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n",
743 * XXX MaxTargets could change during a reinit. Since we don't
744 * resize the targets[] array during such an event, cache the value
745 * of MaxTargets here so that we don't get into trouble later. This
746 * should move into the reinit logic.
748 sassc->maxtargets = sc->facts->MaxTargets + sc->facts->MaxVolumes;
749 sassc->targets = malloc(sizeof(struct mprsas_target) *
750 sassc->maxtargets, M_MPR, M_WAITOK|M_ZERO);
751 if (!sassc->targets) {
752 device_printf(sc->mpr_dev, "Cannot allocate memory %s %d\n",
760 if ((sassc->devq = cam_simq_alloc(sc->num_reqs)) == NULL) {
761 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIMQ\n");
766 unit = device_get_unit(sc->mpr_dev);
767 sassc->sim = cam_sim_alloc(mprsas_action, mprsas_poll, "mpr", sassc,
768 unit, &sc->mpr_mtx, sc->num_reqs, sc->num_reqs, sassc->devq);
769 if (sassc->sim == NULL) {
770 mpr_dprint(sc, MPR_ERROR, "Cannot allocate SIM\n");
775 TAILQ_INIT(&sassc->ev_queue);
777 /* Initialize taskqueue for Event Handling */
778 TASK_INIT(&sassc->ev_task, 0, mprsas_firmware_event_work, sc);
779 sassc->ev_tq = taskqueue_create("mpr_taskq", M_NOWAIT | M_ZERO,
780 taskqueue_thread_enqueue, &sassc->ev_tq);
781 taskqueue_start_threads(&sassc->ev_tq, 1, PRIBIO, "%s taskq",
782 device_get_nameunit(sc->mpr_dev));
787 * XXX There should be a bus for every port on the adapter, but since
788 * we're just going to fake the topology for now, we'll pretend that
789 * everything is just a target on a single bus.
791 if ((error = xpt_bus_register(sassc->sim, sc->mpr_dev, 0)) != 0) {
792 mpr_dprint(sc, MPR_ERROR, "Error %d registering SCSI bus\n",
799 * Assume that discovery events will start right away.
801 * Hold off boot until discovery is complete.
803 sassc->flags |= MPRSAS_IN_STARTUP | MPRSAS_IN_DISCOVERY;
804 sc->sassc->startup_refcount = 0;
805 mprsas_startup_increment(sassc);
807 callout_init(&sassc->discovery_callout, 1 /*mpsafe*/);
810 * Register for async events so we can determine the EEDP
811 * capabilities of devices.
813 status = xpt_create_path(&sassc->path, /*periph*/NULL,
814 cam_sim_path(sc->sassc->sim), CAM_TARGET_WILDCARD,
816 if (status != CAM_REQ_CMP) {
817 mpr_printf(sc, "Error %#x creating sim path\n", status);
822 #if (__FreeBSD_version >= 1000006) || \
823 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
824 event = AC_ADVINFO_CHANGED | AC_FOUND_DEVICE;
826 event = AC_FOUND_DEVICE;
830 * Prior to the CAM locking improvements, we can't call
831 * xpt_register_async() with a particular path specified.
833 * If a path isn't specified, xpt_register_async() will
834 * generate a wildcard path and acquire the XPT lock while
835 * it calls xpt_action() to execute the XPT_SASYNC_CB CCB.
836 * It will then drop the XPT lock once that is done.
838 * If a path is specified for xpt_register_async(), it will
839 * not acquire and drop the XPT lock around the call to
840 * xpt_action(). xpt_action() asserts that the caller
841 * holds the SIM lock, so the SIM lock has to be held when
842 * calling xpt_register_async() when the path is specified.
844 * But xpt_register_async calls xpt_for_all_devices(),
845 * which calls xptbustraverse(), which will acquire each
846 * SIM lock. When it traverses our particular bus, it will
847 * necessarily acquire the SIM lock, which will lead to a
848 * recursive lock acquisition.
850 * The CAM locking changes fix this problem by acquiring
851 * the XPT topology lock around bus traversal in
852 * xptbustraverse(), so the caller can hold the SIM lock
853 * and it does not cause a recursive lock acquisition.
855 * These __FreeBSD_version values are approximate, especially
856 * for stable/10, which is two months later than the actual
860 #if (__FreeBSD_version < 1000703) || \
861 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
863 status = xpt_register_async(event, mprsas_async, sc,
867 status = xpt_register_async(event, mprsas_async, sc,
871 if (status != CAM_REQ_CMP) {
872 mpr_dprint(sc, MPR_ERROR,
873 "Error %#x registering async handler for "
874 "AC_ADVINFO_CHANGED events\n", status);
875 xpt_free_path(sassc->path);
879 if (status != CAM_REQ_CMP) {
881 * EEDP use is the exception, not the rule.
882 * Warn the user, but do not fail to attach.
884 mpr_printf(sc, "EEDP capabilities disabled.\n");
889 mprsas_register_events(sc);
897 mpr_detach_sas(struct mpr_softc *sc)
899 struct mprsas_softc *sassc;
900 struct mprsas_lun *lun, *lun_tmp;
901 struct mprsas_target *targ;
906 if (sc->sassc == NULL)
910 mpr_deregister_events(sc, sassc->mprsas_eh);
913 * Drain and free the event handling taskqueue with the lock
914 * unheld so that any parallel processing tasks drain properly
915 * without deadlocking.
917 if (sassc->ev_tq != NULL)
918 taskqueue_free(sassc->ev_tq);
920 /* Make sure CAM doesn't wedge if we had to bail out early. */
923 /* Deregister our async handler */
924 if (sassc->path != NULL) {
925 xpt_register_async(0, mprsas_async, sc, sassc->path);
926 xpt_free_path(sassc->path);
930 if (sassc->flags & MPRSAS_IN_STARTUP)
931 xpt_release_simq(sassc->sim, 1);
933 if (sassc->sim != NULL) {
934 xpt_bus_deregister(cam_sim_path(sassc->sim));
935 cam_sim_free(sassc->sim, FALSE);
940 if (sassc->devq != NULL)
941 cam_simq_free(sassc->devq);
943 for (i = 0; i < sassc->maxtargets; i++) {
944 targ = &sassc->targets[i];
945 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
949 free(sassc->targets, M_MPR);
957 mprsas_discovery_end(struct mprsas_softc *sassc)
959 struct mpr_softc *sc = sassc->sc;
963 if (sassc->flags & MPRSAS_DISCOVERY_TIMEOUT_PENDING)
964 callout_stop(&sassc->discovery_callout);
967 * After discovery has completed, check the mapping table for any
968 * missing devices and update their missing counts. Only do this once
969 * whenever the driver is initialized so that missing counts aren't
970 * updated unnecessarily. Note that just because discovery has
971 * completed doesn't mean that events have been processed yet. The
972 * check_devices function is a callout timer that checks if ALL devices
973 * are missing. If so, it will wait a little longer for events to
974 * complete and keep resetting itself until some device in the mapping
975 * table is not missing, meaning that event processing has started.
977 if (sc->track_mapping_events) {
978 mpr_dprint(sc, MPR_XINFO | MPR_MAPPING, "Discovery has "
979 "completed. Check for missing devices in the mapping "
981 callout_reset(&sc->device_check_callout,
982 MPR_MISSING_CHECK_DELAY * hz, mpr_mapping_check_devices,
988 mprsas_action(struct cam_sim *sim, union ccb *ccb)
990 struct mprsas_softc *sassc;
992 sassc = cam_sim_softc(sim);
994 MPR_FUNCTRACE(sassc->sc);
995 mpr_dprint(sassc->sc, MPR_TRACE, "ccb func_code 0x%x\n",
996 ccb->ccb_h.func_code);
997 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
999 switch (ccb->ccb_h.func_code) {
1002 struct ccb_pathinq *cpi = &ccb->cpi;
1003 struct mpr_softc *sc = sassc->sc;
1004 uint8_t sges_per_frame;
1006 cpi->version_num = 1;
1007 cpi->hba_inquiry = PI_SDTR_ABLE|PI_TAG_ABLE|PI_WIDE_16;
1008 cpi->target_sprt = 0;
1009 #if (__FreeBSD_version >= 1000039) || \
1010 ((__FreeBSD_version < 1000000) && (__FreeBSD_version >= 902502))
1011 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED | PIM_NOSCAN;
1013 cpi->hba_misc = PIM_NOBUSRESET | PIM_UNMAPPED;
1015 cpi->hba_eng_cnt = 0;
1016 cpi->max_target = sassc->maxtargets - 1;
1020 * initiator_id is set here to an ID outside the set of valid
1021 * target IDs (including volumes).
1023 cpi->initiator_id = sassc->maxtargets;
1024 strlcpy(cpi->sim_vid, "FreeBSD", SIM_IDLEN);
1025 strlcpy(cpi->hba_vid, "Avago Tech", HBA_IDLEN);
1026 strlcpy(cpi->dev_name, cam_sim_name(sim), DEV_IDLEN);
1027 cpi->unit_number = cam_sim_unit(sim);
1028 cpi->bus_id = cam_sim_bus(sim);
1030 * XXXSLM-I think this needs to change based on config page or
1031 * something instead of hardcoded to 150000.
1033 cpi->base_transfer_speed = 150000;
1034 cpi->transport = XPORT_SAS;
1035 cpi->transport_version = 0;
1036 cpi->protocol = PROTO_SCSI;
1037 cpi->protocol_version = SCSI_REV_SPC;
1040 * Max IO Size is Page Size * the following:
1041 * ((SGEs per frame - 1 for chain element) *
1042 * Max Chain Depth) + 1 for no chain needed in last frame
1044 * If user suggests a Max IO size to use, use the smaller of the
1045 * user's value and the calculated value as long as the user's
1046 * value is larger than 0. The user's value is in pages.
1048 sges_per_frame = (sc->chain_frame_size /
1049 sizeof(MPI2_IEEE_SGE_SIMPLE64)) - 1;
1050 cpi->maxio = (sges_per_frame * sc->facts->MaxChainDepth) + 1;
1051 cpi->maxio *= PAGE_SIZE;
1052 if ((sc->max_io_pages > 0) && (sc->max_io_pages * PAGE_SIZE <
1054 cpi->maxio = sc->max_io_pages * PAGE_SIZE;
1055 sc->maxio = cpi->maxio;
1056 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1059 case XPT_GET_TRAN_SETTINGS:
1061 struct ccb_trans_settings *cts;
1062 struct ccb_trans_settings_sas *sas;
1063 struct ccb_trans_settings_scsi *scsi;
1064 struct mprsas_target *targ;
1067 sas = &cts->xport_specific.sas;
1068 scsi = &cts->proto_specific.scsi;
1070 KASSERT(cts->ccb_h.target_id < sassc->maxtargets,
1071 ("Target %d out of bounds in XPT_GET_TRAN_SETTINGS\n",
1072 cts->ccb_h.target_id));
1073 targ = &sassc->targets[cts->ccb_h.target_id];
1074 if (targ->handle == 0x0) {
1075 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1079 cts->protocol_version = SCSI_REV_SPC2;
1080 cts->transport = XPORT_SAS;
1081 cts->transport_version = 0;
1083 sas->valid = CTS_SAS_VALID_SPEED;
1084 switch (targ->linkrate) {
1086 sas->bitrate = 150000;
1089 sas->bitrate = 300000;
1092 sas->bitrate = 600000;
1095 sas->bitrate = 1200000;
1101 cts->protocol = PROTO_SCSI;
1102 scsi->valid = CTS_SCSI_VALID_TQ;
1103 scsi->flags = CTS_SCSI_FLAGS_TAG_ENB;
1105 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1108 case XPT_CALC_GEOMETRY:
1109 cam_calc_geometry(&ccb->ccg, /*extended*/1);
1110 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1113 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action "
1115 mprsas_action_resetdev(sassc, ccb);
1120 mpr_dprint(sassc->sc, MPR_XINFO, "mprsas_action faking success "
1121 "for abort or reset\n");
1122 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1125 mprsas_action_scsiio(sassc, ccb);
1127 #if __FreeBSD_version >= 900026
1129 mprsas_action_smpio(sassc, ccb);
1133 mprsas_set_ccbstatus(ccb, CAM_FUNC_NOTAVAIL);
1141 mprsas_announce_reset(struct mpr_softc *sc, uint32_t ac_code,
1142 target_id_t target_id, lun_id_t lun_id)
1144 path_id_t path_id = cam_sim_path(sc->sassc->sim);
1145 struct cam_path *path;
1147 mpr_dprint(sc, MPR_XINFO, "%s code %x target %d lun %jx\n", __func__,
1148 ac_code, target_id, (uintmax_t)lun_id);
1150 if (xpt_create_path(&path, NULL,
1151 path_id, target_id, lun_id) != CAM_REQ_CMP) {
1152 mpr_dprint(sc, MPR_ERROR, "unable to create path for reset "
1157 xpt_async(ac_code, path, NULL);
1158 xpt_free_path(path);
1162 mprsas_complete_all_commands(struct mpr_softc *sc)
1164 struct mpr_command *cm;
1169 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1171 /* complete all commands with a NULL reply */
1172 for (i = 1; i < sc->num_reqs; i++) {
1173 cm = &sc->commands[i];
1174 cm->cm_reply = NULL;
1177 if (cm->cm_flags & MPR_CM_FLAGS_POLLED)
1178 cm->cm_flags |= MPR_CM_FLAGS_COMPLETE;
1180 if (cm->cm_complete != NULL) {
1181 mprsas_log_command(cm, MPR_RECOVERY,
1182 "completing cm %p state %x ccb %p for diag reset\n",
1183 cm, cm->cm_state, cm->cm_ccb);
1184 cm->cm_complete(sc, cm);
1188 if (cm->cm_flags & MPR_CM_FLAGS_WAKEUP) {
1189 mprsas_log_command(cm, MPR_RECOVERY,
1190 "waking up cm %p state %x ccb %p for diag reset\n",
1191 cm, cm->cm_state, cm->cm_ccb);
1196 if (cm->cm_sc->io_cmds_active != 0)
1197 cm->cm_sc->io_cmds_active--;
1199 if ((completed == 0) && (cm->cm_state != MPR_CM_STATE_FREE)) {
1200 /* this should never happen, but if it does, log */
1201 mprsas_log_command(cm, MPR_RECOVERY,
1202 "cm %p state %x flags 0x%x ccb %p during diag "
1203 "reset\n", cm, cm->cm_state, cm->cm_flags,
1210 mprsas_handle_reinit(struct mpr_softc *sc)
1214 /* Go back into startup mode and freeze the simq, so that CAM
1215 * doesn't send any commands until after we've rediscovered all
1216 * targets and found the proper device handles for them.
1218 * After the reset, portenable will trigger discovery, and after all
1219 * discovery-related activities have finished, the simq will be
1222 mpr_dprint(sc, MPR_INIT, "%s startup\n", __func__);
1223 sc->sassc->flags |= MPRSAS_IN_STARTUP;
1224 sc->sassc->flags |= MPRSAS_IN_DISCOVERY;
1225 mprsas_startup_increment(sc->sassc);
1227 /* notify CAM of a bus reset */
1228 mprsas_announce_reset(sc, AC_BUS_RESET, CAM_TARGET_WILDCARD,
1231 /* complete and cleanup after all outstanding commands */
1232 mprsas_complete_all_commands(sc);
1234 mpr_dprint(sc, MPR_INIT, "%s startup %u after command completion\n",
1235 __func__, sc->sassc->startup_refcount);
1237 /* zero all the target handles, since they may change after the
1238 * reset, and we have to rediscover all the targets and use the new
1241 for (i = 0; i < sc->sassc->maxtargets; i++) {
1242 if (sc->sassc->targets[i].outstanding != 0)
1243 mpr_dprint(sc, MPR_INIT, "target %u outstanding %u\n",
1244 i, sc->sassc->targets[i].outstanding);
1245 sc->sassc->targets[i].handle = 0x0;
1246 sc->sassc->targets[i].exp_dev_handle = 0x0;
1247 sc->sassc->targets[i].outstanding = 0;
1248 sc->sassc->targets[i].flags = MPRSAS_TARGET_INDIAGRESET;
1252 mprsas_tm_timeout(void *data)
1254 struct mpr_command *tm = data;
1255 struct mpr_softc *sc = tm->cm_sc;
1257 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1259 mprsas_log_command(tm, MPR_INFO|MPR_RECOVERY, "task mgmt %p timed "
1265 mprsas_logical_unit_reset_complete(struct mpr_softc *sc, struct mpr_command *tm)
1267 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1268 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1269 unsigned int cm_count = 0;
1270 struct mpr_command *cm;
1271 struct mprsas_target *targ;
1273 callout_stop(&tm->cm_callout);
1275 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1276 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1280 * Currently there should be no way we can hit this case. It only
1281 * happens when we have a failure to allocate chain frames, and
1282 * task management commands don't have S/G lists.
1284 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1285 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for LUN reset! "
1286 "This should not happen!\n", __func__, tm->cm_flags);
1287 mprsas_free_tm(sc, tm);
1291 if (reply == NULL) {
1292 mprsas_log_command(tm, MPR_RECOVERY, "NULL reset reply for tm "
1294 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1295 /* this completion was due to a reset, just cleanup */
1297 mprsas_free_tm(sc, tm);
1300 /* we should have gotten a reply. */
1306 mprsas_log_command(tm, MPR_RECOVERY,
1307 "logical unit reset status 0x%x code 0x%x count %u\n",
1308 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1309 le32toh(reply->TerminationCount));
1311 /* See if there are any outstanding commands for this LUN.
1312 * This could be made more efficient by using a per-LU data
1313 * structure of some sort.
1315 TAILQ_FOREACH(cm, &targ->commands, cm_link) {
1316 if (cm->cm_lun == tm->cm_lun)
1320 if (cm_count == 0) {
1321 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1322 "logical unit %u finished recovery after reset\n",
1325 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1328 /* we've finished recovery for this logical unit. check and
1329 * see if some other logical unit has a timedout command
1330 * that needs to be processed.
1332 cm = TAILQ_FIRST(&targ->timedout_commands);
1334 mprsas_send_abort(sc, tm, cm);
1338 mprsas_free_tm(sc, tm);
1342 /* if we still have commands for this LUN, the reset
1343 * effectively failed, regardless of the status reported.
1344 * Escalate to a target reset.
1346 mprsas_log_command(tm, MPR_RECOVERY,
1347 "logical unit reset complete for tm %p, but still have %u "
1348 "command(s)\n", tm, cm_count);
1349 mprsas_send_reset(sc, tm,
1350 MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET);
1355 mprsas_target_reset_complete(struct mpr_softc *sc, struct mpr_command *tm)
1357 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1358 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1359 struct mprsas_target *targ;
1361 callout_stop(&tm->cm_callout);
1363 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1364 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1368 * Currently there should be no way we can hit this case. It only
1369 * happens when we have a failure to allocate chain frames, and
1370 * task management commands don't have S/G lists.
1372 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1373 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for target "
1374 "reset! This should not happen!\n", __func__, tm->cm_flags);
1375 mprsas_free_tm(sc, tm);
1379 if (reply == NULL) {
1380 mprsas_log_command(tm, MPR_RECOVERY, "NULL reset reply for tm "
1382 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1383 /* this completion was due to a reset, just cleanup */
1385 mprsas_free_tm(sc, tm);
1388 /* we should have gotten a reply. */
1394 mprsas_log_command(tm, MPR_RECOVERY,
1395 "target reset status 0x%x code 0x%x count %u\n",
1396 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1397 le32toh(reply->TerminationCount));
1399 if (targ->outstanding == 0) {
1400 /* we've finished recovery for this target and all
1401 * of its logical units.
1403 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1404 "recovery finished after target reset\n");
1406 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
1410 mprsas_free_tm(sc, tm);
1413 /* after a target reset, if this target still has
1414 * outstanding commands, the reset effectively failed,
1415 * regardless of the status reported. escalate.
1417 mprsas_log_command(tm, MPR_RECOVERY,
1418 "target reset complete for tm %p, but still have %u "
1419 "command(s)\n", tm, targ->outstanding);
1424 #define MPR_RESET_TIMEOUT 30
1427 mprsas_send_reset(struct mpr_softc *sc, struct mpr_command *tm, uint8_t type)
1429 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1430 struct mprsas_target *target;
1433 target = tm->cm_targ;
1434 if (target->handle == 0) {
1435 mpr_dprint(sc, MPR_ERROR, "%s null devhandle for target_id "
1436 "%d\n", __func__, target->tid);
1440 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1441 req->DevHandle = htole16(target->handle);
1442 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1443 req->TaskType = type;
1445 if (type == MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET) {
1446 /* XXX Need to handle invalid LUNs */
1447 MPR_SET_LUN(req->LUN, tm->cm_lun);
1448 tm->cm_targ->logical_unit_resets++;
1449 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1450 "sending logical unit reset\n");
1451 tm->cm_complete = mprsas_logical_unit_reset_complete;
1452 mprsas_prepare_for_tm(sc, tm, target, tm->cm_lun);
1454 else if (type == MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET) {
1456 * Target reset method =
1457 * SAS Hard Link Reset / SATA Link Reset
1459 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
1460 tm->cm_targ->target_resets++;
1461 mprsas_log_command(tm, MPR_RECOVERY|MPR_INFO,
1462 "sending target reset\n");
1463 tm->cm_complete = mprsas_target_reset_complete;
1464 mprsas_prepare_for_tm(sc, tm, target, CAM_LUN_WILDCARD);
1467 mpr_dprint(sc, MPR_ERROR, "unexpected reset type 0x%x\n", type);
1471 mpr_dprint(sc, MPR_INFO, "to target %u handle 0x%04x\n", target->tid,
1473 if (target->encl_level_valid) {
1474 mpr_dprint(sc, MPR_INFO, "At enclosure level %d, slot %d, "
1475 "connector name (%4s)\n", target->encl_level,
1476 target->encl_slot, target->connector_name);
1480 tm->cm_desc.HighPriority.RequestFlags =
1481 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1482 tm->cm_complete_data = (void *)tm;
1484 callout_reset(&tm->cm_callout, MPR_RESET_TIMEOUT * hz,
1485 mprsas_tm_timeout, tm);
1487 err = mpr_map_command(sc, tm);
1489 mprsas_log_command(tm, MPR_RECOVERY,
1490 "error %d sending reset type %u\n", err, type);
1497 mprsas_abort_complete(struct mpr_softc *sc, struct mpr_command *tm)
1499 struct mpr_command *cm;
1500 MPI2_SCSI_TASK_MANAGE_REPLY *reply;
1501 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1502 struct mprsas_target *targ;
1504 callout_stop(&tm->cm_callout);
1506 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1507 reply = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
1511 * Currently there should be no way we can hit this case. It only
1512 * happens when we have a failure to allocate chain frames, and
1513 * task management commands don't have S/G lists.
1515 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
1516 mprsas_log_command(tm, MPR_RECOVERY,
1517 "cm_flags = %#x for abort %p TaskMID %u!\n",
1518 tm->cm_flags, tm, le16toh(req->TaskMID));
1519 mprsas_free_tm(sc, tm);
1523 if (reply == NULL) {
1524 mprsas_log_command(tm, MPR_RECOVERY,
1525 "NULL abort reply for tm %p TaskMID %u\n",
1526 tm, le16toh(req->TaskMID));
1527 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
1528 /* this completion was due to a reset, just cleanup */
1530 mprsas_free_tm(sc, tm);
1533 /* we should have gotten a reply. */
1539 mprsas_log_command(tm, MPR_RECOVERY,
1540 "abort TaskMID %u status 0x%x code 0x%x count %u\n",
1541 le16toh(req->TaskMID),
1542 le16toh(reply->IOCStatus), le32toh(reply->ResponseCode),
1543 le32toh(reply->TerminationCount));
1545 cm = TAILQ_FIRST(&tm->cm_targ->timedout_commands);
1547 /* if there are no more timedout commands, we're done with
1548 * error recovery for this target.
1550 mprsas_log_command(tm, MPR_RECOVERY,
1551 "finished recovery after aborting TaskMID %u\n",
1552 le16toh(req->TaskMID));
1555 mprsas_free_tm(sc, tm);
1557 else if (le16toh(req->TaskMID) != cm->cm_desc.Default.SMID) {
1558 /* abort success, but we have more timedout commands to abort */
1559 mprsas_log_command(tm, MPR_RECOVERY,
1560 "continuing recovery after aborting TaskMID %u\n",
1561 le16toh(req->TaskMID));
1563 mprsas_send_abort(sc, tm, cm);
1566 /* we didn't get a command completion, so the abort
1567 * failed as far as we're concerned. escalate.
1569 mprsas_log_command(tm, MPR_RECOVERY,
1570 "abort failed for TaskMID %u tm %p\n",
1571 le16toh(req->TaskMID), tm);
1573 mprsas_send_reset(sc, tm,
1574 MPI2_SCSITASKMGMT_TASKTYPE_LOGICAL_UNIT_RESET);
1578 #define MPR_ABORT_TIMEOUT 5
1581 mprsas_send_abort(struct mpr_softc *sc, struct mpr_command *tm,
1582 struct mpr_command *cm)
1584 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
1585 struct mprsas_target *targ;
1589 if (targ->handle == 0) {
1590 mpr_dprint(sc, MPR_ERROR,"%s null devhandle for target_id %d\n",
1591 __func__, cm->cm_ccb->ccb_h.target_id);
1595 mprsas_log_command(cm, MPR_RECOVERY|MPR_INFO,
1596 "Aborting command %p\n", cm);
1598 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
1599 req->DevHandle = htole16(targ->handle);
1600 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
1601 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_ABORT_TASK;
1603 /* XXX Need to handle invalid LUNs */
1604 MPR_SET_LUN(req->LUN, cm->cm_ccb->ccb_h.target_lun);
1606 req->TaskMID = htole16(cm->cm_desc.Default.SMID);
1609 tm->cm_desc.HighPriority.RequestFlags =
1610 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
1611 tm->cm_complete = mprsas_abort_complete;
1612 tm->cm_complete_data = (void *)tm;
1613 tm->cm_targ = cm->cm_targ;
1614 tm->cm_lun = cm->cm_lun;
1616 callout_reset(&tm->cm_callout, MPR_ABORT_TIMEOUT * hz,
1617 mprsas_tm_timeout, tm);
1621 mpr_dprint(sc, MPR_INFO, "Sending reset from %s for target ID %d\n",
1622 __func__, targ->tid);
1623 mprsas_prepare_for_tm(sc, tm, targ, tm->cm_lun);
1625 err = mpr_map_command(sc, tm);
1627 mpr_dprint(sc, MPR_RECOVERY,
1628 "error %d sending abort for cm %p SMID %u\n",
1629 err, cm, req->TaskMID);
1634 mprsas_scsiio_timeout(void *data)
1636 struct mpr_softc *sc;
1637 struct mpr_command *cm;
1638 struct mprsas_target *targ;
1640 cm = (struct mpr_command *)data;
1644 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1646 mpr_dprint(sc, MPR_XINFO, "Timeout checking cm %p\n", cm);
1649 * Run the interrupt handler to make sure it's not pending. This
1650 * isn't perfect because the command could have already completed
1651 * and been re-used, though this is unlikely.
1653 mpr_intr_locked(sc);
1654 if (cm->cm_state == MPR_CM_STATE_FREE) {
1655 mprsas_log_command(cm, MPR_XINFO,
1656 "SCSI command %p almost timed out\n", cm);
1660 if (cm->cm_ccb == NULL) {
1661 mpr_dprint(sc, MPR_ERROR, "command timeout with NULL ccb\n");
1668 mprsas_log_command(cm, MPR_ERROR, "command timeout %d cm %p target "
1669 "%u, handle(0x%04x)\n", cm->cm_ccb->ccb_h.timeout, cm, targ->tid,
1671 if (targ->encl_level_valid) {
1672 mpr_dprint(sc, MPR_ERROR, "At enclosure level %d, slot %d, "
1673 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
1674 targ->connector_name);
1677 /* XXX first, check the firmware state, to see if it's still
1678 * operational. if not, do a diag reset.
1680 mprsas_set_ccbstatus(cm->cm_ccb, CAM_CMD_TIMEOUT);
1681 cm->cm_state = MPR_CM_STATE_TIMEDOUT;
1682 TAILQ_INSERT_TAIL(&targ->timedout_commands, cm, cm_recovery);
1684 if (targ->tm != NULL) {
1685 /* target already in recovery, just queue up another
1686 * timedout command to be processed later.
1688 mpr_dprint(sc, MPR_RECOVERY, "queued timedout cm %p for "
1689 "processing by tm %p\n", cm, targ->tm);
1691 else if ((targ->tm = mprsas_alloc_tm(sc)) != NULL) {
1692 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p allocated tm %p\n",
1695 /* start recovery by aborting the first timedout command */
1696 mprsas_send_abort(sc, targ->tm, cm);
1699 /* XXX queue this target up for recovery once a TM becomes
1700 * available. The firmware only has a limited number of
1701 * HighPriority credits for the high priority requests used
1702 * for task management, and we ran out.
1704 * Isilon: don't worry about this for now, since we have
1705 * more credits than disks in an enclosure, and limit
1706 * ourselves to one TM per target for recovery.
1708 mpr_dprint(sc, MPR_RECOVERY, "timedout cm %p failed to "
1709 "allocate a tm\n", cm);
1714 * mprsas_build_nvme_unmap - Build Native NVMe DSM command equivalent
1716 * Return 0 - for success,
1717 * 1 - to immediately return back the command with success status to CAM
1718 * negative value - to fallback to firmware path i.e. issue scsi unmap
1719 * to FW without any translation.
1722 mprsas_build_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm,
1723 union ccb *ccb, struct mprsas_target *targ)
1725 Mpi26NVMeEncapsulatedRequest_t *req = NULL;
1726 struct ccb_scsiio *csio;
1727 struct unmap_parm_list *plist;
1728 struct nvme_dsm_range *nvme_dsm_ranges = NULL;
1729 struct nvme_command *c;
1731 uint16_t ndesc, list_len, data_length;
1732 struct mpr_prp_page *prp_page_info;
1733 uint64_t nvme_dsm_ranges_dma_handle;
1736 #if __FreeBSD_version >= 1100103
1737 list_len = (scsiio_cdb_ptr(csio)[7] << 8 | scsiio_cdb_ptr(csio)[8]);
1739 if (csio->ccb_h.flags & CAM_CDB_POINTER) {
1740 list_len = (ccb->csio.cdb_io.cdb_ptr[7] << 8 |
1741 ccb->csio.cdb_io.cdb_ptr[8]);
1743 list_len = (ccb->csio.cdb_io.cdb_bytes[7] << 8 |
1744 ccb->csio.cdb_io.cdb_bytes[8]);
1748 mpr_dprint(sc, MPR_ERROR, "Parameter list length is Zero\n");
1752 plist = malloc(csio->dxfer_len, M_MPR, M_ZERO|M_NOWAIT);
1754 mpr_dprint(sc, MPR_ERROR, "Unable to allocate memory to "
1755 "save UNMAP data\n");
1759 /* Copy SCSI unmap data to a local buffer */
1760 bcopy(csio->data_ptr, plist, csio->dxfer_len);
1762 /* return back the unmap command to CAM with success status,
1763 * if number of descripts is zero.
1765 ndesc = be16toh(plist->unmap_blk_desc_data_len) >> 4;
1767 mpr_dprint(sc, MPR_XINFO, "Number of descriptors in "
1768 "UNMAP cmd is Zero\n");
1773 data_length = ndesc * sizeof(struct nvme_dsm_range);
1774 if (data_length > targ->MDTS) {
1775 mpr_dprint(sc, MPR_ERROR, "data length: %d is greater than "
1776 "Device's MDTS: %d\n", data_length, targ->MDTS);
1781 prp_page_info = mpr_alloc_prp_page(sc);
1782 KASSERT(prp_page_info != NULL, ("%s: There is no PRP Page for "
1783 "UNMAP command.\n", __func__));
1786 * Insert the allocated PRP page into the command's PRP page list. This
1787 * will be freed when the command is freed.
1789 TAILQ_INSERT_TAIL(&cm->cm_prp_page_list, prp_page_info, prp_page_link);
1791 nvme_dsm_ranges = (struct nvme_dsm_range *)prp_page_info->prp_page;
1792 nvme_dsm_ranges_dma_handle = prp_page_info->prp_page_busaddr;
1794 bzero(nvme_dsm_ranges, data_length);
1796 /* Convert SCSI unmap's descriptor data to NVMe DSM specific Range data
1797 * for each descriptors contained in SCSI UNMAP data.
1799 for (i = 0; i < ndesc; i++) {
1800 nvme_dsm_ranges[i].length =
1801 htole32(be32toh(plist->desc[i].nlb));
1802 nvme_dsm_ranges[i].starting_lba =
1803 htole64(be64toh(plist->desc[i].slba));
1804 nvme_dsm_ranges[i].attributes = 0;
1807 /* Build MPI2.6's NVMe Encapsulated Request Message */
1808 req = (Mpi26NVMeEncapsulatedRequest_t *)cm->cm_req;
1809 bzero(req, sizeof(*req));
1810 req->DevHandle = htole16(targ->handle);
1811 req->Function = MPI2_FUNCTION_NVME_ENCAPSULATED;
1812 req->Flags = MPI26_NVME_FLAGS_WRITE;
1813 req->ErrorResponseBaseAddress.High =
1814 htole32((uint32_t)((uint64_t)cm->cm_sense_busaddr >> 32));
1815 req->ErrorResponseBaseAddress.Low =
1816 htole32(cm->cm_sense_busaddr);
1817 req->ErrorResponseAllocationLength =
1818 htole16(sizeof(struct nvme_completion));
1819 req->EncapsulatedCommandLength =
1820 htole16(sizeof(struct nvme_command));
1821 req->DataLength = htole32(data_length);
1823 /* Build NVMe DSM command */
1824 c = (struct nvme_command *) req->NVMe_Command;
1825 c->opc = NVME_OPC_DATASET_MANAGEMENT;
1826 c->nsid = htole32(csio->ccb_h.target_lun + 1);
1827 c->cdw10 = htole32(ndesc - 1);
1828 c->cdw11 = htole32(NVME_DSM_ATTR_DEALLOCATE);
1830 cm->cm_length = data_length;
1833 cm->cm_complete = mprsas_scsiio_complete;
1834 cm->cm_complete_data = ccb;
1836 cm->cm_lun = csio->ccb_h.target_lun;
1839 cm->cm_desc.Default.RequestFlags =
1840 MPI26_REQ_DESCRIPT_FLAGS_PCIE_ENCAPSULATED;
1842 #if __FreeBSD_version >= 1000029
1843 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0,
1844 mprsas_scsiio_timeout, cm, 0);
1845 #else //__FreeBSD_version < 1000029
1846 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
1847 mprsas_scsiio_timeout, cm);
1848 #endif //__FreeBSD_version >= 1000029
1851 targ->outstanding++;
1852 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
1853 ccb->ccb_h.status |= CAM_SIM_QUEUED;
1855 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n",
1856 __func__, cm, ccb, targ->outstanding);
1858 mpr_build_nvme_prp(sc, cm, req,
1859 (void *)(uintptr_t)nvme_dsm_ranges_dma_handle, 0, data_length);
1860 mpr_map_command(sc, cm);
1868 mprsas_action_scsiio(struct mprsas_softc *sassc, union ccb *ccb)
1870 MPI2_SCSI_IO_REQUEST *req;
1871 struct ccb_scsiio *csio;
1872 struct mpr_softc *sc;
1873 struct mprsas_target *targ;
1874 struct mprsas_lun *lun;
1875 struct mpr_command *cm;
1876 uint8_t i, lba_byte, *ref_tag_addr, scsi_opcode;
1877 uint16_t eedp_flags;
1878 uint32_t mpi_control;
1883 mtx_assert(&sc->mpr_mtx, MA_OWNED);
1886 KASSERT(csio->ccb_h.target_id < sassc->maxtargets,
1887 ("Target %d out of bounds in XPT_SCSI_IO\n",
1888 csio->ccb_h.target_id));
1889 targ = &sassc->targets[csio->ccb_h.target_id];
1890 mpr_dprint(sc, MPR_TRACE, "ccb %p target flag %x\n", ccb, targ->flags);
1891 if (targ->handle == 0x0) {
1892 mpr_dprint(sc, MPR_ERROR, "%s NULL handle for target %u\n",
1893 __func__, csio->ccb_h.target_id);
1894 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1898 if (targ->flags & MPR_TARGET_FLAGS_RAID_COMPONENT) {
1899 mpr_dprint(sc, MPR_ERROR, "%s Raid component no SCSI IO "
1900 "supported %u\n", __func__, csio->ccb_h.target_id);
1901 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1906 * Sometimes, it is possible to get a command that is not "In
1907 * Progress" and was actually aborted by the upper layer. Check for
1908 * this here and complete the command without error.
1910 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_INPROG) {
1911 mpr_dprint(sc, MPR_TRACE, "%s Command is not in progress for "
1912 "target %u\n", __func__, csio->ccb_h.target_id);
1917 * If devinfo is 0 this will be a volume. In that case don't tell CAM
1918 * that the volume has timed out. We want volumes to be enumerated
1919 * until they are deleted/removed, not just failed.
1921 if (targ->flags & MPRSAS_TARGET_INREMOVAL) {
1922 if (targ->devinfo == 0)
1923 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1925 mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
1930 if ((sc->mpr_flags & MPR_FLAGS_SHUTDOWN) != 0) {
1931 mpr_dprint(sc, MPR_INFO, "%s shutting down\n", __func__);
1932 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
1938 * If target has a reset in progress, freeze the devq and return. The
1939 * devq will be released when the TM reset is finished.
1941 if (targ->flags & MPRSAS_TARGET_INRESET) {
1942 ccb->ccb_h.status = CAM_BUSY | CAM_DEV_QFRZN;
1943 mpr_dprint(sc, MPR_INFO, "%s: Freezing devq for target ID %d\n",
1944 __func__, targ->tid);
1945 xpt_freeze_devq(ccb->ccb_h.path, 1);
1950 cm = mpr_alloc_command(sc);
1951 if (cm == NULL || (sc->mpr_flags & MPR_FLAGS_DIAGRESET)) {
1953 mpr_free_command(sc, cm);
1955 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
1956 xpt_freeze_simq(sassc->sim, 1);
1957 sassc->flags |= MPRSAS_QUEUE_FROZEN;
1959 ccb->ccb_h.status &= ~CAM_SIM_QUEUED;
1960 ccb->ccb_h.status |= CAM_REQUEUE_REQ;
1965 /* For NVME device's issue UNMAP command directly to NVME drives by
1966 * constructing equivalent native NVMe DataSetManagement command.
1968 #if __FreeBSD_version >= 1100103
1969 scsi_opcode = scsiio_cdb_ptr(csio)[0];
1971 if (csio->ccb_h.flags & CAM_CDB_POINTER)
1972 scsi_opcode = csio->cdb_io.cdb_ptr[0];
1974 scsi_opcode = csio->cdb_io.cdb_bytes[0];
1976 if (scsi_opcode == UNMAP &&
1978 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) {
1979 rc = mprsas_build_nvme_unmap(sc, cm, ccb, targ);
1980 if (rc == 1) { /* return command to CAM with success status */
1981 mpr_free_command(sc, cm);
1982 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
1985 } else if (!rc) /* Issued NVMe Encapsulated Request Message */
1989 req = (MPI2_SCSI_IO_REQUEST *)cm->cm_req;
1990 bzero(req, sizeof(*req));
1991 req->DevHandle = htole16(targ->handle);
1992 req->Function = MPI2_FUNCTION_SCSI_IO_REQUEST;
1994 req->SenseBufferLowAddress = htole32(cm->cm_sense_busaddr);
1995 req->SenseBufferLength = MPR_SENSE_LEN;
1997 req->ChainOffset = 0;
1998 req->SGLOffset0 = 24; /* 32bit word offset to the SGL */
2003 req->DataLength = htole32(csio->dxfer_len);
2004 req->BidirectionalDataLength = 0;
2005 req->IoFlags = htole16(csio->cdb_len);
2008 /* Note: BiDirectional transfers are not supported */
2009 switch (csio->ccb_h.flags & CAM_DIR_MASK) {
2011 mpi_control = MPI2_SCSIIO_CONTROL_READ;
2012 cm->cm_flags |= MPR_CM_FLAGS_DATAIN;
2015 mpi_control = MPI2_SCSIIO_CONTROL_WRITE;
2016 cm->cm_flags |= MPR_CM_FLAGS_DATAOUT;
2020 mpi_control = MPI2_SCSIIO_CONTROL_NODATATRANSFER;
2024 if (csio->cdb_len == 32)
2025 mpi_control |= 4 << MPI2_SCSIIO_CONTROL_ADDCDBLEN_SHIFT;
2027 * It looks like the hardware doesn't require an explicit tag
2028 * number for each transaction. SAM Task Management not supported
2031 switch (csio->tag_action) {
2032 case MSG_HEAD_OF_Q_TAG:
2033 mpi_control |= MPI2_SCSIIO_CONTROL_HEADOFQ;
2035 case MSG_ORDERED_Q_TAG:
2036 mpi_control |= MPI2_SCSIIO_CONTROL_ORDEREDQ;
2039 mpi_control |= MPI2_SCSIIO_CONTROL_ACAQ;
2041 case CAM_TAG_ACTION_NONE:
2042 case MSG_SIMPLE_Q_TAG:
2044 mpi_control |= MPI2_SCSIIO_CONTROL_SIMPLEQ;
2047 mpi_control |= sc->mapping_table[csio->ccb_h.target_id].TLR_bits;
2048 req->Control = htole32(mpi_control);
2050 if (MPR_SET_LUN(req->LUN, csio->ccb_h.target_lun) != 0) {
2051 mpr_free_command(sc, cm);
2052 mprsas_set_ccbstatus(ccb, CAM_LUN_INVALID);
2057 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2058 bcopy(csio->cdb_io.cdb_ptr, &req->CDB.CDB32[0], csio->cdb_len);
2060 KASSERT(csio->cdb_len <= IOCDBLEN,
2061 ("cdb_len %d is greater than IOCDBLEN but CAM_CDB_POINTER "
2062 "is not set", csio->cdb_len));
2063 bcopy(csio->cdb_io.cdb_bytes, &req->CDB.CDB32[0],csio->cdb_len);
2065 req->IoFlags = htole16(csio->cdb_len);
2068 * Check if EEDP is supported and enabled. If it is then check if the
2069 * SCSI opcode could be using EEDP. If so, make sure the LUN exists and
2070 * is formatted for EEDP support. If all of this is true, set CDB up
2071 * for EEDP transfer.
2073 eedp_flags = op_code_prot[req->CDB.CDB32[0]];
2074 if (sc->eedp_enabled && eedp_flags) {
2075 SLIST_FOREACH(lun, &targ->luns, lun_link) {
2076 if (lun->lun_id == csio->ccb_h.target_lun) {
2081 if ((lun != NULL) && (lun->eedp_formatted)) {
2082 req->EEDPBlockSize = htole16(lun->eedp_block_size);
2083 eedp_flags |= (MPI2_SCSIIO_EEDPFLAGS_INC_PRI_REFTAG |
2084 MPI2_SCSIIO_EEDPFLAGS_CHECK_REFTAG |
2085 MPI2_SCSIIO_EEDPFLAGS_CHECK_GUARD);
2086 if (sc->mpr_flags & MPR_FLAGS_GEN35_IOC) {
2088 MPI25_SCSIIO_EEDPFLAGS_APPTAG_DISABLE_MODE;
2090 req->EEDPFlags = htole16(eedp_flags);
2093 * If CDB less than 32, fill in Primary Ref Tag with
2094 * low 4 bytes of LBA. If CDB is 32, tag stuff is
2095 * already there. Also, set protection bit. FreeBSD
2096 * currently does not support CDBs bigger than 16, but
2097 * the code doesn't hurt, and will be here for the
2100 if (csio->cdb_len != 32) {
2101 lba_byte = (csio->cdb_len == 16) ? 6 : 2;
2102 ref_tag_addr = (uint8_t *)&req->CDB.EEDP32.
2103 PrimaryReferenceTag;
2104 for (i = 0; i < 4; i++) {
2106 req->CDB.CDB32[lba_byte + i];
2109 req->CDB.EEDP32.PrimaryReferenceTag =
2111 CDB.EEDP32.PrimaryReferenceTag);
2112 req->CDB.EEDP32.PrimaryApplicationTagMask =
2114 req->CDB.CDB32[1] = (req->CDB.CDB32[1] & 0x1F) |
2118 MPI2_SCSIIO_EEDPFLAGS_INC_PRI_APPTAG;
2119 req->EEDPFlags = htole16(eedp_flags);
2120 req->CDB.CDB32[10] = (req->CDB.CDB32[10] &
2126 cm->cm_length = csio->dxfer_len;
2127 if (cm->cm_length != 0) {
2129 cm->cm_flags |= MPR_CM_FLAGS_USE_CCB;
2133 cm->cm_sge = &req->SGL;
2134 cm->cm_sglsize = (32 - 24) * 4;
2135 cm->cm_complete = mprsas_scsiio_complete;
2136 cm->cm_complete_data = ccb;
2138 cm->cm_lun = csio->ccb_h.target_lun;
2141 * If using FP desc type, need to set a bit in IoFlags (SCSI IO is 0)
2142 * and set descriptor type.
2144 if (targ->scsi_req_desc_type ==
2145 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO) {
2146 req->IoFlags |= MPI25_SCSIIO_IOFLAGS_FAST_PATH;
2147 cm->cm_desc.FastPathSCSIIO.RequestFlags =
2148 MPI25_REQ_DESCRIPT_FLAGS_FAST_PATH_SCSI_IO;
2149 if (!sc->atomic_desc_capable) {
2150 cm->cm_desc.FastPathSCSIIO.DevHandle =
2151 htole16(targ->handle);
2154 cm->cm_desc.SCSIIO.RequestFlags =
2155 MPI2_REQ_DESCRIPT_FLAGS_SCSI_IO;
2156 if (!sc->atomic_desc_capable)
2157 cm->cm_desc.SCSIIO.DevHandle = htole16(targ->handle);
2160 #if __FreeBSD_version >= 1000029
2161 callout_reset_sbt(&cm->cm_callout, SBT_1MS * ccb->ccb_h.timeout, 0,
2162 mprsas_scsiio_timeout, cm, 0);
2163 #else //__FreeBSD_version < 1000029
2164 callout_reset(&cm->cm_callout, (ccb->ccb_h.timeout * hz) / 1000,
2165 mprsas_scsiio_timeout, cm);
2166 #endif //__FreeBSD_version >= 1000029
2169 targ->outstanding++;
2170 TAILQ_INSERT_TAIL(&targ->commands, cm, cm_link);
2171 ccb->ccb_h.status |= CAM_SIM_QUEUED;
2173 mprsas_log_command(cm, MPR_XINFO, "%s cm %p ccb %p outstanding %u\n",
2174 __func__, cm, ccb, targ->outstanding);
2176 mpr_map_command(sc, cm);
2181 mpr_response_code(struct mpr_softc *sc, u8 response_code)
2185 switch (response_code) {
2186 case MPI2_SCSITASKMGMT_RSP_TM_COMPLETE:
2187 desc = "task management request completed";
2189 case MPI2_SCSITASKMGMT_RSP_INVALID_FRAME:
2190 desc = "invalid frame";
2192 case MPI2_SCSITASKMGMT_RSP_TM_NOT_SUPPORTED:
2193 desc = "task management request not supported";
2195 case MPI2_SCSITASKMGMT_RSP_TM_FAILED:
2196 desc = "task management request failed";
2198 case MPI2_SCSITASKMGMT_RSP_TM_SUCCEEDED:
2199 desc = "task management request succeeded";
2201 case MPI2_SCSITASKMGMT_RSP_TM_INVALID_LUN:
2202 desc = "invalid lun";
2205 desc = "overlapped tag attempted";
2207 case MPI2_SCSITASKMGMT_RSP_IO_QUEUED_ON_IOC:
2208 desc = "task queued, however not sent to target";
2214 mpr_dprint(sc, MPR_XINFO, "response_code(0x%01x): %s\n", response_code,
2219 * mpr_sc_failed_io_info - translated non-succesfull SCSI_IO request
2222 mpr_sc_failed_io_info(struct mpr_softc *sc, struct ccb_scsiio *csio,
2223 Mpi2SCSIIOReply_t *mpi_reply, struct mprsas_target *targ)
2227 u16 ioc_status = le16toh(mpi_reply->IOCStatus) &
2228 MPI2_IOCSTATUS_MASK;
2229 u8 scsi_state = mpi_reply->SCSIState;
2230 u8 scsi_status = mpi_reply->SCSIStatus;
2231 char *desc_ioc_state = NULL;
2232 char *desc_scsi_status = NULL;
2233 char *desc_scsi_state = sc->tmp_string;
2234 u32 log_info = le32toh(mpi_reply->IOCLogInfo);
2236 if (log_info == 0x31170000)
2239 switch (ioc_status) {
2240 case MPI2_IOCSTATUS_SUCCESS:
2241 desc_ioc_state = "success";
2243 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2244 desc_ioc_state = "invalid function";
2246 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2247 desc_ioc_state = "scsi recovered error";
2249 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2250 desc_ioc_state = "scsi invalid dev handle";
2252 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2253 desc_ioc_state = "scsi device not there";
2255 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2256 desc_ioc_state = "scsi data overrun";
2258 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2259 desc_ioc_state = "scsi data underrun";
2261 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2262 desc_ioc_state = "scsi io data error";
2264 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2265 desc_ioc_state = "scsi protocol error";
2267 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2268 desc_ioc_state = "scsi task terminated";
2270 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2271 desc_ioc_state = "scsi residual mismatch";
2273 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2274 desc_ioc_state = "scsi task mgmt failed";
2276 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2277 desc_ioc_state = "scsi ioc terminated";
2279 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2280 desc_ioc_state = "scsi ext terminated";
2282 case MPI2_IOCSTATUS_EEDP_GUARD_ERROR:
2283 desc_ioc_state = "eedp guard error";
2285 case MPI2_IOCSTATUS_EEDP_REF_TAG_ERROR:
2286 desc_ioc_state = "eedp ref tag error";
2288 case MPI2_IOCSTATUS_EEDP_APP_TAG_ERROR:
2289 desc_ioc_state = "eedp app tag error";
2291 case MPI2_IOCSTATUS_INSUFFICIENT_POWER:
2292 desc_ioc_state = "insufficient power";
2295 desc_ioc_state = "unknown";
2299 switch (scsi_status) {
2300 case MPI2_SCSI_STATUS_GOOD:
2301 desc_scsi_status = "good";
2303 case MPI2_SCSI_STATUS_CHECK_CONDITION:
2304 desc_scsi_status = "check condition";
2306 case MPI2_SCSI_STATUS_CONDITION_MET:
2307 desc_scsi_status = "condition met";
2309 case MPI2_SCSI_STATUS_BUSY:
2310 desc_scsi_status = "busy";
2312 case MPI2_SCSI_STATUS_INTERMEDIATE:
2313 desc_scsi_status = "intermediate";
2315 case MPI2_SCSI_STATUS_INTERMEDIATE_CONDMET:
2316 desc_scsi_status = "intermediate condmet";
2318 case MPI2_SCSI_STATUS_RESERVATION_CONFLICT:
2319 desc_scsi_status = "reservation conflict";
2321 case MPI2_SCSI_STATUS_COMMAND_TERMINATED:
2322 desc_scsi_status = "command terminated";
2324 case MPI2_SCSI_STATUS_TASK_SET_FULL:
2325 desc_scsi_status = "task set full";
2327 case MPI2_SCSI_STATUS_ACA_ACTIVE:
2328 desc_scsi_status = "aca active";
2330 case MPI2_SCSI_STATUS_TASK_ABORTED:
2331 desc_scsi_status = "task aborted";
2334 desc_scsi_status = "unknown";
2338 desc_scsi_state[0] = '\0';
2340 desc_scsi_state = " ";
2341 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID)
2342 strcat(desc_scsi_state, "response info ");
2343 if (scsi_state & MPI2_SCSI_STATE_TERMINATED)
2344 strcat(desc_scsi_state, "state terminated ");
2345 if (scsi_state & MPI2_SCSI_STATE_NO_SCSI_STATUS)
2346 strcat(desc_scsi_state, "no status ");
2347 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_FAILED)
2348 strcat(desc_scsi_state, "autosense failed ");
2349 if (scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID)
2350 strcat(desc_scsi_state, "autosense valid ");
2352 mpr_dprint(sc, MPR_XINFO, "\thandle(0x%04x), ioc_status(%s)(0x%04x)\n",
2353 le16toh(mpi_reply->DevHandle), desc_ioc_state, ioc_status);
2354 if (targ->encl_level_valid) {
2355 mpr_dprint(sc, MPR_XINFO, "At enclosure level %d, slot %d, "
2356 "connector name (%4s)\n", targ->encl_level, targ->encl_slot,
2357 targ->connector_name);
2359 /* We can add more detail about underflow data here
2362 mpr_dprint(sc, MPR_XINFO, "\tscsi_status(%s)(0x%02x), "
2363 "scsi_state(%s)(0x%02x)\n", desc_scsi_status, scsi_status,
2364 desc_scsi_state, scsi_state);
2366 if (sc->mpr_debug & MPR_XINFO &&
2367 scsi_state & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2368 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : Start :\n");
2369 scsi_sense_print(csio);
2370 mpr_dprint(sc, MPR_XINFO, "-> Sense Buffer Data : End :\n");
2373 if (scsi_state & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) {
2374 response_info = le32toh(mpi_reply->ResponseInfo);
2375 response_bytes = (u8 *)&response_info;
2376 mpr_response_code(sc,response_bytes[0]);
2380 /** mprsas_nvme_trans_status_code
2382 * Convert Native NVMe command error status to
2383 * equivalent SCSI error status.
2385 * Returns appropriate scsi_status
2388 mprsas_nvme_trans_status_code(struct nvme_status nvme_status,
2389 struct mpr_command *cm)
2391 u8 status = MPI2_SCSI_STATUS_GOOD;
2392 int skey, asc, ascq;
2393 union ccb *ccb = cm->cm_complete_data;
2394 int returned_sense_len;
2396 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2397 skey = SSD_KEY_ILLEGAL_REQUEST;
2398 asc = SCSI_ASC_NO_SENSE;
2399 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2401 switch (nvme_status.sct) {
2402 case NVME_SCT_GENERIC:
2403 switch (nvme_status.sc) {
2404 case NVME_SC_SUCCESS:
2405 status = MPI2_SCSI_STATUS_GOOD;
2406 skey = SSD_KEY_NO_SENSE;
2407 asc = SCSI_ASC_NO_SENSE;
2408 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2410 case NVME_SC_INVALID_OPCODE:
2411 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2412 skey = SSD_KEY_ILLEGAL_REQUEST;
2413 asc = SCSI_ASC_ILLEGAL_COMMAND;
2414 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2416 case NVME_SC_INVALID_FIELD:
2417 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2418 skey = SSD_KEY_ILLEGAL_REQUEST;
2419 asc = SCSI_ASC_INVALID_CDB;
2420 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2422 case NVME_SC_DATA_TRANSFER_ERROR:
2423 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2424 skey = SSD_KEY_MEDIUM_ERROR;
2425 asc = SCSI_ASC_NO_SENSE;
2426 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2428 case NVME_SC_ABORTED_POWER_LOSS:
2429 status = MPI2_SCSI_STATUS_TASK_ABORTED;
2430 skey = SSD_KEY_ABORTED_COMMAND;
2431 asc = SCSI_ASC_WARNING;
2432 ascq = SCSI_ASCQ_POWER_LOSS_EXPECTED;
2434 case NVME_SC_INTERNAL_DEVICE_ERROR:
2435 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2436 skey = SSD_KEY_HARDWARE_ERROR;
2437 asc = SCSI_ASC_INTERNAL_TARGET_FAILURE;
2438 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2440 case NVME_SC_ABORTED_BY_REQUEST:
2441 case NVME_SC_ABORTED_SQ_DELETION:
2442 case NVME_SC_ABORTED_FAILED_FUSED:
2443 case NVME_SC_ABORTED_MISSING_FUSED:
2444 status = MPI2_SCSI_STATUS_TASK_ABORTED;
2445 skey = SSD_KEY_ABORTED_COMMAND;
2446 asc = SCSI_ASC_NO_SENSE;
2447 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2449 case NVME_SC_INVALID_NAMESPACE_OR_FORMAT:
2450 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2451 skey = SSD_KEY_ILLEGAL_REQUEST;
2452 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID;
2453 ascq = SCSI_ASCQ_INVALID_LUN_ID;
2455 case NVME_SC_LBA_OUT_OF_RANGE:
2456 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2457 skey = SSD_KEY_ILLEGAL_REQUEST;
2458 asc = SCSI_ASC_ILLEGAL_BLOCK;
2459 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2461 case NVME_SC_CAPACITY_EXCEEDED:
2462 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2463 skey = SSD_KEY_MEDIUM_ERROR;
2464 asc = SCSI_ASC_NO_SENSE;
2465 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2467 case NVME_SC_NAMESPACE_NOT_READY:
2468 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2469 skey = SSD_KEY_NOT_READY;
2470 asc = SCSI_ASC_LUN_NOT_READY;
2471 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2475 case NVME_SCT_COMMAND_SPECIFIC:
2476 switch (nvme_status.sc) {
2477 case NVME_SC_INVALID_FORMAT:
2478 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2479 skey = SSD_KEY_ILLEGAL_REQUEST;
2480 asc = SCSI_ASC_FORMAT_COMMAND_FAILED;
2481 ascq = SCSI_ASCQ_FORMAT_COMMAND_FAILED;
2483 case NVME_SC_CONFLICTING_ATTRIBUTES:
2484 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2485 skey = SSD_KEY_ILLEGAL_REQUEST;
2486 asc = SCSI_ASC_INVALID_CDB;
2487 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2491 case NVME_SCT_MEDIA_ERROR:
2492 switch (nvme_status.sc) {
2493 case NVME_SC_WRITE_FAULTS:
2494 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2495 skey = SSD_KEY_MEDIUM_ERROR;
2496 asc = SCSI_ASC_PERIPHERAL_DEV_WRITE_FAULT;
2497 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2499 case NVME_SC_UNRECOVERED_READ_ERROR:
2500 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2501 skey = SSD_KEY_MEDIUM_ERROR;
2502 asc = SCSI_ASC_UNRECOVERED_READ_ERROR;
2503 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2505 case NVME_SC_GUARD_CHECK_ERROR:
2506 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2507 skey = SSD_KEY_MEDIUM_ERROR;
2508 asc = SCSI_ASC_LOG_BLOCK_GUARD_CHECK_FAILED;
2509 ascq = SCSI_ASCQ_LOG_BLOCK_GUARD_CHECK_FAILED;
2511 case NVME_SC_APPLICATION_TAG_CHECK_ERROR:
2512 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2513 skey = SSD_KEY_MEDIUM_ERROR;
2514 asc = SCSI_ASC_LOG_BLOCK_APPTAG_CHECK_FAILED;
2515 ascq = SCSI_ASCQ_LOG_BLOCK_APPTAG_CHECK_FAILED;
2517 case NVME_SC_REFERENCE_TAG_CHECK_ERROR:
2518 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2519 skey = SSD_KEY_MEDIUM_ERROR;
2520 asc = SCSI_ASC_LOG_BLOCK_REFTAG_CHECK_FAILED;
2521 ascq = SCSI_ASCQ_LOG_BLOCK_REFTAG_CHECK_FAILED;
2523 case NVME_SC_COMPARE_FAILURE:
2524 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2525 skey = SSD_KEY_MISCOMPARE;
2526 asc = SCSI_ASC_MISCOMPARE_DURING_VERIFY;
2527 ascq = SCSI_ASCQ_CAUSE_NOT_REPORTABLE;
2529 case NVME_SC_ACCESS_DENIED:
2530 status = MPI2_SCSI_STATUS_CHECK_CONDITION;
2531 skey = SSD_KEY_ILLEGAL_REQUEST;
2532 asc = SCSI_ASC_ACCESS_DENIED_INVALID_LUN_ID;
2533 ascq = SCSI_ASCQ_INVALID_LUN_ID;
2539 returned_sense_len = sizeof(struct scsi_sense_data);
2540 if (returned_sense_len < ccb->csio.sense_len)
2541 ccb->csio.sense_resid = ccb->csio.sense_len -
2544 ccb->csio.sense_resid = 0;
2546 scsi_set_sense_data(&ccb->csio.sense_data, SSD_TYPE_FIXED,
2547 1, skey, asc, ascq, SSD_ELEM_NONE);
2548 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2553 /** mprsas_complete_nvme_unmap
2555 * Complete native NVMe command issued using NVMe Encapsulated
2559 mprsas_complete_nvme_unmap(struct mpr_softc *sc, struct mpr_command *cm)
2561 Mpi26NVMeEncapsulatedErrorReply_t *mpi_reply;
2562 struct nvme_completion *nvme_completion = NULL;
2563 u8 scsi_status = MPI2_SCSI_STATUS_GOOD;
2565 mpi_reply =(Mpi26NVMeEncapsulatedErrorReply_t *)cm->cm_reply;
2566 if (le16toh(mpi_reply->ErrorResponseCount)){
2567 nvme_completion = (struct nvme_completion *)cm->cm_sense;
2568 scsi_status = mprsas_nvme_trans_status_code(
2569 nvme_completion->status, cm);
2575 mprsas_scsiio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2577 MPI2_SCSI_IO_REPLY *rep;
2579 struct ccb_scsiio *csio;
2580 struct mprsas_softc *sassc;
2581 struct scsi_vpd_supported_page_list *vpd_list = NULL;
2582 u8 *TLR_bits, TLR_on, *scsi_cdb;
2585 struct mprsas_target *target;
2586 target_id_t target_id;
2589 mpr_dprint(sc, MPR_TRACE,
2590 "cm %p SMID %u ccb %p reply %p outstanding %u\n", cm,
2591 cm->cm_desc.Default.SMID, cm->cm_ccb, cm->cm_reply,
2592 cm->cm_targ->outstanding);
2594 callout_stop(&cm->cm_callout);
2595 mtx_assert(&sc->mpr_mtx, MA_OWNED);
2598 ccb = cm->cm_complete_data;
2600 target_id = csio->ccb_h.target_id;
2601 rep = (MPI2_SCSI_IO_REPLY *)cm->cm_reply;
2603 * XXX KDM if the chain allocation fails, does it matter if we do
2604 * the sync and unload here? It is simpler to do it in every case,
2605 * assuming it doesn't cause problems.
2607 if (cm->cm_data != NULL) {
2608 if (cm->cm_flags & MPR_CM_FLAGS_DATAIN)
2609 dir = BUS_DMASYNC_POSTREAD;
2610 else if (cm->cm_flags & MPR_CM_FLAGS_DATAOUT)
2611 dir = BUS_DMASYNC_POSTWRITE;
2612 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap, dir);
2613 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
2616 cm->cm_targ->completed++;
2617 cm->cm_targ->outstanding--;
2618 TAILQ_REMOVE(&cm->cm_targ->commands, cm, cm_link);
2619 ccb->ccb_h.status &= ~(CAM_STATUS_MASK | CAM_SIM_QUEUED);
2621 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT) {
2622 TAILQ_REMOVE(&cm->cm_targ->timedout_commands, cm, cm_recovery);
2623 if (cm->cm_reply != NULL)
2624 mprsas_log_command(cm, MPR_RECOVERY,
2625 "completed timedout cm %p ccb %p during recovery "
2626 "ioc %x scsi %x state %x xfer %u\n", cm, cm->cm_ccb,
2627 le16toh(rep->IOCStatus), rep->SCSIStatus,
2628 rep->SCSIState, le32toh(rep->TransferCount));
2630 mprsas_log_command(cm, MPR_RECOVERY,
2631 "completed timedout cm %p ccb %p during recovery\n",
2633 } else if (cm->cm_targ->tm != NULL) {
2634 if (cm->cm_reply != NULL)
2635 mprsas_log_command(cm, MPR_RECOVERY,
2636 "completed cm %p ccb %p during recovery "
2637 "ioc %x scsi %x state %x xfer %u\n",
2638 cm, cm->cm_ccb, le16toh(rep->IOCStatus),
2639 rep->SCSIStatus, rep->SCSIState,
2640 le32toh(rep->TransferCount));
2642 mprsas_log_command(cm, MPR_RECOVERY,
2643 "completed cm %p ccb %p during recovery\n",
2645 } else if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0) {
2646 mprsas_log_command(cm, MPR_RECOVERY,
2647 "reset completed cm %p ccb %p\n", cm, cm->cm_ccb);
2650 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
2652 * We ran into an error after we tried to map the command,
2653 * so we're getting a callback without queueing the command
2654 * to the hardware. So we set the status here, and it will
2655 * be retained below. We'll go through the "fast path",
2656 * because there can be no reply when we haven't actually
2657 * gone out to the hardware.
2659 mprsas_set_ccbstatus(ccb, CAM_REQUEUE_REQ);
2662 * Currently the only error included in the mask is
2663 * MPR_CM_FLAGS_CHAIN_FAILED, which means we're out of
2664 * chain frames. We need to freeze the queue until we get
2665 * a command that completed without this error, which will
2666 * hopefully have some chain frames attached that we can
2667 * use. If we wanted to get smarter about it, we would
2668 * only unfreeze the queue in this condition when we're
2669 * sure that we're getting some chain frames back. That's
2670 * probably unnecessary.
2672 if ((sassc->flags & MPRSAS_QUEUE_FROZEN) == 0) {
2673 xpt_freeze_simq(sassc->sim, 1);
2674 sassc->flags |= MPRSAS_QUEUE_FROZEN;
2675 mpr_dprint(sc, MPR_XINFO, "Error sending command, "
2676 "freezing SIM queue\n");
2681 * Point to the SCSI CDB, which is dependent on the CAM_CDB_POINTER
2682 * flag, and use it in a few places in the rest of this function for
2683 * convenience. Use the macro if available.
2685 #if __FreeBSD_version >= 1100103
2686 scsi_cdb = scsiio_cdb_ptr(csio);
2688 if (csio->ccb_h.flags & CAM_CDB_POINTER)
2689 scsi_cdb = csio->cdb_io.cdb_ptr;
2691 scsi_cdb = csio->cdb_io.cdb_bytes;
2695 * If this is a Start Stop Unit command and it was issued by the driver
2696 * during shutdown, decrement the refcount to account for all of the
2697 * commands that were sent. All SSU commands should be completed before
2698 * shutdown completes, meaning SSU_refcount will be 0 after SSU_started
2701 if (sc->SSU_started && (scsi_cdb[0] == START_STOP_UNIT)) {
2702 mpr_dprint(sc, MPR_INFO, "Decrementing SSU count.\n");
2706 /* Take the fast path to completion */
2707 if (cm->cm_reply == NULL) {
2708 if (mprsas_get_ccbstatus(ccb) == CAM_REQ_INPROG) {
2709 if ((sc->mpr_flags & MPR_FLAGS_DIAGRESET) != 0)
2710 mprsas_set_ccbstatus(ccb, CAM_SCSI_BUS_RESET);
2712 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
2713 csio->scsi_status = SCSI_STATUS_OK;
2715 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2716 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2717 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2718 mpr_dprint(sc, MPR_XINFO,
2719 "Unfreezing SIM queue\n");
2724 * There are two scenarios where the status won't be
2725 * CAM_REQ_CMP. The first is if MPR_CM_FLAGS_ERROR_MASK is
2726 * set, the second is in the MPR_FLAGS_DIAGRESET above.
2728 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2730 * Freeze the dev queue so that commands are
2731 * executed in the correct order after error
2734 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2735 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2737 mpr_free_command(sc, cm);
2742 target = &sassc->targets[target_id];
2743 if (scsi_cdb[0] == UNMAP &&
2745 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) {
2746 rep->SCSIStatus = mprsas_complete_nvme_unmap(sc, cm);
2747 csio->scsi_status = rep->SCSIStatus;
2750 mprsas_log_command(cm, MPR_XINFO,
2751 "ioc %x scsi %x state %x xfer %u\n",
2752 le16toh(rep->IOCStatus), rep->SCSIStatus, rep->SCSIState,
2753 le32toh(rep->TransferCount));
2755 switch (le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) {
2756 case MPI2_IOCSTATUS_SCSI_DATA_UNDERRUN:
2757 csio->resid = cm->cm_length - le32toh(rep->TransferCount);
2759 case MPI2_IOCSTATUS_SUCCESS:
2760 case MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR:
2761 if ((le16toh(rep->IOCStatus) & MPI2_IOCSTATUS_MASK) ==
2762 MPI2_IOCSTATUS_SCSI_RECOVERED_ERROR)
2763 mprsas_log_command(cm, MPR_XINFO, "recovered error\n");
2765 /* Completion failed at the transport level. */
2766 if (rep->SCSIState & (MPI2_SCSI_STATE_NO_SCSI_STATUS |
2767 MPI2_SCSI_STATE_TERMINATED)) {
2768 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2772 /* In a modern packetized environment, an autosense failure
2773 * implies that there's not much else that can be done to
2774 * recover the command.
2776 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_FAILED) {
2777 mprsas_set_ccbstatus(ccb, CAM_AUTOSENSE_FAIL);
2782 * CAM doesn't care about SAS Response Info data, but if this is
2783 * the state check if TLR should be done. If not, clear the
2784 * TLR_bits for the target.
2786 if ((rep->SCSIState & MPI2_SCSI_STATE_RESPONSE_INFO_VALID) &&
2787 ((le32toh(rep->ResponseInfo) & MPI2_SCSI_RI_MASK_REASONCODE)
2788 == MPR_SCSI_RI_INVALID_FRAME)) {
2789 sc->mapping_table[target_id].TLR_bits =
2790 (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2794 * Intentionally override the normal SCSI status reporting
2795 * for these two cases. These are likely to happen in a
2796 * multi-initiator environment, and we want to make sure that
2797 * CAM retries these commands rather than fail them.
2799 if ((rep->SCSIStatus == MPI2_SCSI_STATUS_COMMAND_TERMINATED) ||
2800 (rep->SCSIStatus == MPI2_SCSI_STATUS_TASK_ABORTED)) {
2801 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2805 /* Handle normal status and sense */
2806 csio->scsi_status = rep->SCSIStatus;
2807 if (rep->SCSIStatus == MPI2_SCSI_STATUS_GOOD)
2808 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
2810 mprsas_set_ccbstatus(ccb, CAM_SCSI_STATUS_ERROR);
2812 if (rep->SCSIState & MPI2_SCSI_STATE_AUTOSENSE_VALID) {
2813 int sense_len, returned_sense_len;
2815 returned_sense_len = min(le32toh(rep->SenseCount),
2816 sizeof(struct scsi_sense_data));
2817 if (returned_sense_len < csio->sense_len)
2818 csio->sense_resid = csio->sense_len -
2821 csio->sense_resid = 0;
2823 sense_len = min(returned_sense_len,
2824 csio->sense_len - csio->sense_resid);
2825 bzero(&csio->sense_data, sizeof(csio->sense_data));
2826 bcopy(cm->cm_sense, &csio->sense_data, sense_len);
2827 ccb->ccb_h.status |= CAM_AUTOSNS_VALID;
2831 * Check if this is an INQUIRY command. If it's a VPD inquiry,
2832 * and it's page code 0 (Supported Page List), and there is
2833 * inquiry data, and this is for a sequential access device, and
2834 * the device is an SSP target, and TLR is supported by the
2835 * controller, turn the TLR_bits value ON if page 0x90 is
2838 if ((scsi_cdb[0] == INQUIRY) &&
2839 (scsi_cdb[1] & SI_EVPD) &&
2840 (scsi_cdb[2] == SVPD_SUPPORTED_PAGE_LIST) &&
2841 ((csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR) &&
2842 (csio->data_ptr != NULL) &&
2843 ((csio->data_ptr[0] & 0x1f) == T_SEQUENTIAL) &&
2844 (sc->control_TLR) &&
2845 (sc->mapping_table[target_id].device_info &
2846 MPI2_SAS_DEVICE_INFO_SSP_TARGET)) {
2847 vpd_list = (struct scsi_vpd_supported_page_list *)
2849 TLR_bits = &sc->mapping_table[target_id].TLR_bits;
2850 *TLR_bits = (u8)MPI2_SCSIIO_CONTROL_NO_TLR;
2851 TLR_on = (u8)MPI2_SCSIIO_CONTROL_TLR_ON;
2852 alloc_len = ((u16)scsi_cdb[3] << 8) + scsi_cdb[4];
2853 alloc_len -= csio->resid;
2854 for (i = 0; i < MIN(vpd_list->length, alloc_len); i++) {
2855 if (vpd_list->list[i] == 0x90) {
2863 * If this is a SATA direct-access end device, mark it so that
2864 * a SCSI StartStopUnit command will be sent to it when the
2865 * driver is being shutdown.
2867 if ((scsi_cdb[0] == INQUIRY) &&
2868 (csio->data_ptr != NULL) &&
2869 ((csio->data_ptr[0] & 0x1f) == T_DIRECT) &&
2870 (sc->mapping_table[target_id].device_info &
2871 MPI2_SAS_DEVICE_INFO_SATA_DEVICE) &&
2872 ((sc->mapping_table[target_id].device_info &
2873 MPI2_SAS_DEVICE_INFO_MASK_DEVICE_TYPE) ==
2874 MPI2_SAS_DEVICE_INFO_END_DEVICE)) {
2875 target = &sassc->targets[target_id];
2876 target->supports_SSU = TRUE;
2877 mpr_dprint(sc, MPR_XINFO, "Target %d supports SSU\n",
2881 case MPI2_IOCSTATUS_SCSI_INVALID_DEVHANDLE:
2882 case MPI2_IOCSTATUS_SCSI_DEVICE_NOT_THERE:
2884 * If devinfo is 0 this will be a volume. In that case don't
2885 * tell CAM that the volume is not there. We want volumes to
2886 * be enumerated until they are deleted/removed, not just
2889 if (cm->cm_targ->devinfo == 0)
2890 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
2892 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
2894 case MPI2_IOCSTATUS_INVALID_SGL:
2895 mpr_print_scsiio_cmd(sc, cm);
2896 mprsas_set_ccbstatus(ccb, CAM_UNREC_HBA_ERROR);
2898 case MPI2_IOCSTATUS_SCSI_TASK_TERMINATED:
2900 * This is one of the responses that comes back when an I/O
2901 * has been aborted. If it is because of a timeout that we
2902 * initiated, just set the status to CAM_CMD_TIMEOUT.
2903 * Otherwise set it to CAM_REQ_ABORTED. The effect on the
2904 * command is the same (it gets retried, subject to the
2905 * retry counter), the only difference is what gets printed
2908 if (cm->cm_state == MPR_CM_STATE_TIMEDOUT)
2909 mprsas_set_ccbstatus(ccb, CAM_CMD_TIMEOUT);
2911 mprsas_set_ccbstatus(ccb, CAM_REQ_ABORTED);
2913 case MPI2_IOCSTATUS_SCSI_DATA_OVERRUN:
2914 /* resid is ignored for this condition */
2916 mprsas_set_ccbstatus(ccb, CAM_DATA_RUN_ERR);
2918 case MPI2_IOCSTATUS_SCSI_IOC_TERMINATED:
2919 case MPI2_IOCSTATUS_SCSI_EXT_TERMINATED:
2921 * These can sometimes be transient transport-related
2922 * errors, and sometimes persistent drive-related errors.
2923 * We used to retry these without decrementing the retry
2924 * count by returning CAM_REQUEUE_REQ. Unfortunately, if
2925 * we hit a persistent drive problem that returns one of
2926 * these error codes, we would retry indefinitely. So,
2927 * return CAM_REQ_CMP_ERROR so that we decrement the retry
2928 * count and avoid infinite retries. We're taking the
2929 * potential risk of flagging false failures in the event
2930 * of a topology-related error (e.g. a SAS expander problem
2931 * causes a command addressed to a drive to fail), but
2932 * avoiding getting into an infinite retry loop.
2934 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2935 mprsas_log_command(cm, MPR_INFO,
2936 "terminated ioc %x loginfo %x scsi %x state %x xfer %u\n",
2937 le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo),
2938 rep->SCSIStatus, rep->SCSIState,
2939 le32toh(rep->TransferCount));
2941 case MPI2_IOCSTATUS_INVALID_FUNCTION:
2942 case MPI2_IOCSTATUS_INTERNAL_ERROR:
2943 case MPI2_IOCSTATUS_INVALID_VPID:
2944 case MPI2_IOCSTATUS_INVALID_FIELD:
2945 case MPI2_IOCSTATUS_INVALID_STATE:
2946 case MPI2_IOCSTATUS_OP_STATE_NOT_SUPPORTED:
2947 case MPI2_IOCSTATUS_SCSI_IO_DATA_ERROR:
2948 case MPI2_IOCSTATUS_SCSI_PROTOCOL_ERROR:
2949 case MPI2_IOCSTATUS_SCSI_RESIDUAL_MISMATCH:
2950 case MPI2_IOCSTATUS_SCSI_TASK_MGMT_FAILED:
2952 mprsas_log_command(cm, MPR_XINFO,
2953 "completed ioc %x loginfo %x scsi %x state %x xfer %u\n",
2954 le16toh(rep->IOCStatus), le32toh(rep->IOCLogInfo),
2955 rep->SCSIStatus, rep->SCSIState,
2956 le32toh(rep->TransferCount));
2957 csio->resid = cm->cm_length;
2959 if (scsi_cdb[0] == UNMAP &&
2961 (csio->ccb_h.flags & CAM_DATA_MASK) == CAM_DATA_VADDR)
2962 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
2964 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
2969 mpr_sc_failed_io_info(sc, csio, rep, cm->cm_targ);
2971 if (sassc->flags & MPRSAS_QUEUE_FROZEN) {
2972 ccb->ccb_h.status |= CAM_RELEASE_SIMQ;
2973 sassc->flags &= ~MPRSAS_QUEUE_FROZEN;
2974 mpr_dprint(sc, MPR_XINFO, "Command completed, unfreezing SIM "
2978 if (mprsas_get_ccbstatus(ccb) != CAM_REQ_CMP) {
2979 ccb->ccb_h.status |= CAM_DEV_QFRZN;
2980 xpt_freeze_devq(ccb->ccb_h.path, /*count*/ 1);
2983 mpr_free_command(sc, cm);
2987 #if __FreeBSD_version >= 900026
2989 mprsas_smpio_complete(struct mpr_softc *sc, struct mpr_command *cm)
2991 MPI2_SMP_PASSTHROUGH_REPLY *rpl;
2992 MPI2_SMP_PASSTHROUGH_REQUEST *req;
2996 ccb = cm->cm_complete_data;
2999 * Currently there should be no way we can hit this case. It only
3000 * happens when we have a failure to allocate chain frames, and SMP
3001 * commands require two S/G elements only. That should be handled
3002 * in the standard request size.
3004 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
3005 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x on SMP "
3006 "request!\n", __func__, cm->cm_flags);
3007 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3011 rpl = (MPI2_SMP_PASSTHROUGH_REPLY *)cm->cm_reply;
3013 mpr_dprint(sc, MPR_ERROR, "%s: NULL cm_reply!\n", __func__);
3014 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3018 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
3019 sasaddr = le32toh(req->SASAddress.Low);
3020 sasaddr |= ((uint64_t)(le32toh(req->SASAddress.High))) << 32;
3022 if ((le16toh(rpl->IOCStatus) & MPI2_IOCSTATUS_MASK) !=
3023 MPI2_IOCSTATUS_SUCCESS ||
3024 rpl->SASStatus != MPI2_SASSTATUS_SUCCESS) {
3025 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus %04x SASStatus %02x\n",
3026 __func__, le16toh(rpl->IOCStatus), rpl->SASStatus);
3027 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3031 mpr_dprint(sc, MPR_XINFO, "%s: SMP request to SAS address %#jx "
3032 "completed successfully\n", __func__, (uintmax_t)sasaddr);
3034 if (ccb->smpio.smp_response[2] == SMP_FR_ACCEPTED)
3035 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
3037 mprsas_set_ccbstatus(ccb, CAM_SMP_STATUS_ERROR);
3041 * We sync in both directions because we had DMAs in the S/G list
3042 * in both directions.
3044 bus_dmamap_sync(sc->buffer_dmat, cm->cm_dmamap,
3045 BUS_DMASYNC_POSTREAD | BUS_DMASYNC_POSTWRITE);
3046 bus_dmamap_unload(sc->buffer_dmat, cm->cm_dmamap);
3047 mpr_free_command(sc, cm);
3052 mprsas_send_smpcmd(struct mprsas_softc *sassc, union ccb *ccb, uint64_t sasaddr)
3054 struct mpr_command *cm;
3055 uint8_t *request, *response;
3056 MPI2_SMP_PASSTHROUGH_REQUEST *req;
3057 struct mpr_softc *sc;
3065 #if (__FreeBSD_version >= 1000028) || \
3066 ((__FreeBSD_version >= 902001) && (__FreeBSD_version < 1000000))
3067 switch (ccb->ccb_h.flags & CAM_DATA_MASK) {
3068 case CAM_DATA_PADDR:
3069 case CAM_DATA_SG_PADDR:
3071 * XXX We don't yet support physical addresses here.
3073 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not "
3074 "supported\n", __func__);
3075 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3080 * The chip does not support more than one buffer for the
3081 * request or response.
3083 if ((ccb->smpio.smp_request_sglist_cnt > 1)
3084 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
3085 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or "
3086 "response buffer segments not supported for SMP\n",
3088 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3094 * The CAM_SCATTER_VALID flag was originally implemented
3095 * for the XPT_SCSI_IO CCB, which only has one data pointer.
3096 * We have two. So, just take that flag to mean that we
3097 * might have S/G lists, and look at the S/G segment count
3098 * to figure out whether that is the case for each individual
3101 if (ccb->smpio.smp_request_sglist_cnt != 0) {
3102 bus_dma_segment_t *req_sg;
3104 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
3105 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
3107 request = ccb->smpio.smp_request;
3109 if (ccb->smpio.smp_response_sglist_cnt != 0) {
3110 bus_dma_segment_t *rsp_sg;
3112 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
3113 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
3115 response = ccb->smpio.smp_response;
3117 case CAM_DATA_VADDR:
3118 request = ccb->smpio.smp_request;
3119 response = ccb->smpio.smp_response;
3122 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3126 #else /* __FreeBSD_version < 1000028 */
3128 * XXX We don't yet support physical addresses here.
3130 if (ccb->ccb_h.flags & (CAM_DATA_PHYS|CAM_SG_LIST_PHYS)) {
3131 mpr_dprint(sc, MPR_ERROR, "%s: physical addresses not "
3132 "supported\n", __func__);
3133 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3139 * If the user wants to send an S/G list, check to make sure they
3140 * have single buffers.
3142 if (ccb->ccb_h.flags & CAM_SCATTER_VALID) {
3144 * The chip does not support more than one buffer for the
3145 * request or response.
3147 if ((ccb->smpio.smp_request_sglist_cnt > 1)
3148 || (ccb->smpio.smp_response_sglist_cnt > 1)) {
3149 mpr_dprint(sc, MPR_ERROR, "%s: multiple request or "
3150 "response buffer segments not supported for SMP\n",
3152 mprsas_set_ccbstatus(ccb, CAM_REQ_INVALID);
3158 * The CAM_SCATTER_VALID flag was originally implemented
3159 * for the XPT_SCSI_IO CCB, which only has one data pointer.
3160 * We have two. So, just take that flag to mean that we
3161 * might have S/G lists, and look at the S/G segment count
3162 * to figure out whether that is the case for each individual
3165 if (ccb->smpio.smp_request_sglist_cnt != 0) {
3166 bus_dma_segment_t *req_sg;
3168 req_sg = (bus_dma_segment_t *)ccb->smpio.smp_request;
3169 request = (uint8_t *)(uintptr_t)req_sg[0].ds_addr;
3171 request = ccb->smpio.smp_request;
3173 if (ccb->smpio.smp_response_sglist_cnt != 0) {
3174 bus_dma_segment_t *rsp_sg;
3176 rsp_sg = (bus_dma_segment_t *)ccb->smpio.smp_response;
3177 response = (uint8_t *)(uintptr_t)rsp_sg[0].ds_addr;
3179 response = ccb->smpio.smp_response;
3181 request = ccb->smpio.smp_request;
3182 response = ccb->smpio.smp_response;
3184 #endif /* __FreeBSD_version < 1000028 */
3186 cm = mpr_alloc_command(sc);
3188 mpr_dprint(sc, MPR_ERROR, "%s: cannot allocate command\n",
3190 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
3195 req = (MPI2_SMP_PASSTHROUGH_REQUEST *)cm->cm_req;
3196 bzero(req, sizeof(*req));
3197 req->Function = MPI2_FUNCTION_SMP_PASSTHROUGH;
3199 /* Allow the chip to use any route to this SAS address. */
3200 req->PhysicalPort = 0xff;
3202 req->RequestDataLength = htole16(ccb->smpio.smp_request_len);
3204 MPI2_SGLFLAGS_SYSTEM_ADDRESS_SPACE | MPI2_SGLFLAGS_SGL_TYPE_MPI;
3206 mpr_dprint(sc, MPR_XINFO, "%s: sending SMP request to SAS address "
3207 "%#jx\n", __func__, (uintmax_t)sasaddr);
3209 mpr_init_sge(cm, req, &req->SGL);
3212 * Set up a uio to pass into mpr_map_command(). This allows us to
3213 * do one map command, and one busdma call in there.
3215 cm->cm_uio.uio_iov = cm->cm_iovec;
3216 cm->cm_uio.uio_iovcnt = 2;
3217 cm->cm_uio.uio_segflg = UIO_SYSSPACE;
3220 * The read/write flag isn't used by busdma, but set it just in
3221 * case. This isn't exactly accurate, either, since we're going in
3224 cm->cm_uio.uio_rw = UIO_WRITE;
3226 cm->cm_iovec[0].iov_base = request;
3227 cm->cm_iovec[0].iov_len = le16toh(req->RequestDataLength);
3228 cm->cm_iovec[1].iov_base = response;
3229 cm->cm_iovec[1].iov_len = ccb->smpio.smp_response_len;
3231 cm->cm_uio.uio_resid = cm->cm_iovec[0].iov_len +
3232 cm->cm_iovec[1].iov_len;
3235 * Trigger a warning message in mpr_data_cb() for the user if we
3236 * wind up exceeding two S/G segments. The chip expects one
3237 * segment for the request and another for the response.
3239 cm->cm_max_segs = 2;
3241 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3242 cm->cm_complete = mprsas_smpio_complete;
3243 cm->cm_complete_data = ccb;
3246 * Tell the mapping code that we're using a uio, and that this is
3247 * an SMP passthrough request. There is a little special-case
3248 * logic there (in mpr_data_cb()) to handle the bidirectional
3251 cm->cm_flags |= MPR_CM_FLAGS_USE_UIO | MPR_CM_FLAGS_SMP_PASS |
3252 MPR_CM_FLAGS_DATAIN | MPR_CM_FLAGS_DATAOUT;
3254 /* The chip data format is little endian. */
3255 req->SASAddress.High = htole32(sasaddr >> 32);
3256 req->SASAddress.Low = htole32(sasaddr);
3259 * XXX Note that we don't have a timeout/abort mechanism here.
3260 * From the manual, it looks like task management requests only
3261 * work for SCSI IO and SATA passthrough requests. We may need to
3262 * have a mechanism to retry requests in the event of a chip reset
3263 * at least. Hopefully the chip will insure that any errors short
3264 * of that are relayed back to the driver.
3266 error = mpr_map_command(sc, cm);
3267 if ((error != 0) && (error != EINPROGRESS)) {
3268 mpr_dprint(sc, MPR_ERROR, "%s: error %d returned from "
3269 "mpr_map_command()\n", __func__, error);
3276 mpr_free_command(sc, cm);
3277 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
3283 mprsas_action_smpio(struct mprsas_softc *sassc, union ccb *ccb)
3285 struct mpr_softc *sc;
3286 struct mprsas_target *targ;
3287 uint64_t sasaddr = 0;
3292 * Make sure the target exists.
3294 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets,
3295 ("Target %d out of bounds in XPT_SMP_IO\n", ccb->ccb_h.target_id));
3296 targ = &sassc->targets[ccb->ccb_h.target_id];
3297 if (targ->handle == 0x0) {
3298 mpr_dprint(sc, MPR_ERROR, "%s: target %d does not exist!\n",
3299 __func__, ccb->ccb_h.target_id);
3300 mprsas_set_ccbstatus(ccb, CAM_SEL_TIMEOUT);
3306 * If this device has an embedded SMP target, we'll talk to it
3308 * figure out what the expander's address is.
3310 if ((targ->devinfo & MPI2_SAS_DEVICE_INFO_SMP_TARGET) != 0)
3311 sasaddr = targ->sasaddr;
3314 * If we don't have a SAS address for the expander yet, try
3315 * grabbing it from the page 0x83 information cached in the
3316 * transport layer for this target. LSI expanders report the
3317 * expander SAS address as the port-associated SAS address in
3318 * Inquiry VPD page 0x83. Maxim expanders don't report it in page
3321 * XXX KDM disable this for now, but leave it commented out so that
3322 * it is obvious that this is another possible way to get the SAS
3325 * The parent handle method below is a little more reliable, and
3326 * the other benefit is that it works for devices other than SES
3327 * devices. So you can send a SMP request to a da(4) device and it
3328 * will get routed to the expander that device is attached to.
3329 * (Assuming the da(4) device doesn't contain an SMP target...)
3333 sasaddr = xpt_path_sas_addr(ccb->ccb_h.path);
3337 * If we still don't have a SAS address for the expander, look for
3338 * the parent device of this device, which is probably the expander.
3341 #ifdef OLD_MPR_PROBE
3342 struct mprsas_target *parent_target;
3345 if (targ->parent_handle == 0x0) {
3346 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
3347 "a valid parent handle!\n", __func__, targ->handle);
3348 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3351 #ifdef OLD_MPR_PROBE
3352 parent_target = mprsas_find_target_by_handle(sassc, 0,
3353 targ->parent_handle);
3355 if (parent_target == NULL) {
3356 mpr_dprint(sc, MPR_ERROR, "%s: handle %d does not have "
3357 "a valid parent target!\n", __func__, targ->handle);
3358 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3362 if ((parent_target->devinfo &
3363 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3364 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
3365 "does not have an SMP target!\n", __func__,
3366 targ->handle, parent_target->handle);
3367 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3371 sasaddr = parent_target->sasaddr;
3372 #else /* OLD_MPR_PROBE */
3373 if ((targ->parent_devinfo &
3374 MPI2_SAS_DEVICE_INFO_SMP_TARGET) == 0) {
3375 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent %d "
3376 "does not have an SMP target!\n", __func__,
3377 targ->handle, targ->parent_handle);
3378 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3382 if (targ->parent_sasaddr == 0x0) {
3383 mpr_dprint(sc, MPR_ERROR, "%s: handle %d parent handle "
3384 "%d does not have a valid SAS address!\n", __func__,
3385 targ->handle, targ->parent_handle);
3386 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3390 sasaddr = targ->parent_sasaddr;
3391 #endif /* OLD_MPR_PROBE */
3396 mpr_dprint(sc, MPR_INFO, "%s: unable to find SAS address for "
3397 "handle %d\n", __func__, targ->handle);
3398 mprsas_set_ccbstatus(ccb, CAM_DEV_NOT_THERE);
3401 mprsas_send_smpcmd(sassc, ccb, sasaddr);
3409 #endif //__FreeBSD_version >= 900026
3412 mprsas_action_resetdev(struct mprsas_softc *sassc, union ccb *ccb)
3414 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3415 struct mpr_softc *sc;
3416 struct mpr_command *tm;
3417 struct mprsas_target *targ;
3419 MPR_FUNCTRACE(sassc->sc);
3420 mtx_assert(&sassc->sc->mpr_mtx, MA_OWNED);
3422 KASSERT(ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out of "
3423 "bounds in XPT_RESET_DEV\n", ccb->ccb_h.target_id));
3425 tm = mpr_alloc_command(sc);
3427 mpr_dprint(sc, MPR_ERROR, "command alloc failure in "
3428 "mprsas_action_resetdev\n");
3429 mprsas_set_ccbstatus(ccb, CAM_RESRC_UNAVAIL);
3434 targ = &sassc->targets[ccb->ccb_h.target_id];
3435 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3436 req->DevHandle = htole16(targ->handle);
3437 req->Function = MPI2_FUNCTION_SCSI_TASK_MGMT;
3438 req->TaskType = MPI2_SCSITASKMGMT_TASKTYPE_TARGET_RESET;
3440 /* SAS Hard Link Reset / SATA Link Reset */
3441 req->MsgFlags = MPI2_SCSITASKMGMT_MSGFLAGS_LINK_RESET;
3444 tm->cm_desc.HighPriority.RequestFlags =
3445 MPI2_REQ_DESCRIPT_FLAGS_HIGH_PRIORITY;
3446 tm->cm_complete = mprsas_resetdev_complete;
3447 tm->cm_complete_data = ccb;
3449 mpr_dprint(sc, MPR_INFO, "%s: Sending reset for target ID %d\n",
3450 __func__, targ->tid);
3452 targ->flags |= MPRSAS_TARGET_INRESET;
3454 mpr_map_command(sc, tm);
3458 mprsas_resetdev_complete(struct mpr_softc *sc, struct mpr_command *tm)
3460 MPI2_SCSI_TASK_MANAGE_REPLY *resp;
3464 mtx_assert(&sc->mpr_mtx, MA_OWNED);
3466 resp = (MPI2_SCSI_TASK_MANAGE_REPLY *)tm->cm_reply;
3467 ccb = tm->cm_complete_data;
3470 * Currently there should be no way we can hit this case. It only
3471 * happens when we have a failure to allocate chain frames, and
3472 * task management commands don't have S/G lists.
3474 if ((tm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
3475 MPI2_SCSI_TASK_MANAGE_REQUEST *req;
3477 req = (MPI2_SCSI_TASK_MANAGE_REQUEST *)tm->cm_req;
3479 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for reset of "
3480 "handle %#04x! This should not happen!\n", __func__,
3481 tm->cm_flags, req->DevHandle);
3482 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3486 mpr_dprint(sc, MPR_XINFO, "%s: IOCStatus = 0x%x ResponseCode = 0x%x\n",
3487 __func__, le16toh(resp->IOCStatus), le32toh(resp->ResponseCode));
3489 if (le32toh(resp->ResponseCode) == MPI2_SCSITASKMGMT_RSP_TM_COMPLETE) {
3490 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP);
3491 mprsas_announce_reset(sc, AC_SENT_BDR, tm->cm_targ->tid,
3495 mprsas_set_ccbstatus(ccb, CAM_REQ_CMP_ERR);
3499 mprsas_free_tm(sc, tm);
3504 mprsas_poll(struct cam_sim *sim)
3506 struct mprsas_softc *sassc;
3508 sassc = cam_sim_softc(sim);
3510 if (sassc->sc->mpr_debug & MPR_TRACE) {
3511 /* frequent debug messages during a panic just slow
3512 * everything down too much.
3514 mpr_dprint(sassc->sc, MPR_XINFO, "%s clearing MPR_TRACE\n",
3516 sassc->sc->mpr_debug &= ~MPR_TRACE;
3519 mpr_intr_locked(sassc->sc);
3523 mprsas_async(void *callback_arg, uint32_t code, struct cam_path *path,
3526 struct mpr_softc *sc;
3528 sc = (struct mpr_softc *)callback_arg;
3531 #if (__FreeBSD_version >= 1000006) || \
3532 ((__FreeBSD_version >= 901503) && (__FreeBSD_version < 1000000))
3533 case AC_ADVINFO_CHANGED: {
3534 struct mprsas_target *target;
3535 struct mprsas_softc *sassc;
3536 struct scsi_read_capacity_data_long rcap_buf;
3537 struct ccb_dev_advinfo cdai;
3538 struct mprsas_lun *lun;
3543 buftype = (uintptr_t)arg;
3549 * We're only interested in read capacity data changes.
3551 if (buftype != CDAI_TYPE_RCAPLONG)
3555 * See the comment in mpr_attach_sas() for a detailed
3556 * explanation. In these versions of FreeBSD we register
3557 * for all events and filter out the events that don't
3560 #if (__FreeBSD_version < 1000703) || \
3561 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3562 if (xpt_path_path_id(path) != sassc->sim->path_id)
3567 * We should have a handle for this, but check to make sure.
3569 KASSERT(xpt_path_target_id(path) < sassc->maxtargets,
3570 ("Target %d out of bounds in mprsas_async\n",
3571 xpt_path_target_id(path)));
3572 target = &sassc->targets[xpt_path_target_id(path)];
3573 if (target->handle == 0)
3576 lunid = xpt_path_lun_id(path);
3578 SLIST_FOREACH(lun, &target->luns, lun_link) {
3579 if (lun->lun_id == lunid) {
3585 if (found_lun == 0) {
3586 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3589 mpr_dprint(sc, MPR_ERROR, "Unable to alloc "
3590 "LUN for EEDP support.\n");
3593 lun->lun_id = lunid;
3594 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3597 bzero(&rcap_buf, sizeof(rcap_buf));
3598 xpt_setup_ccb(&cdai.ccb_h, path, CAM_PRIORITY_NORMAL);
3599 cdai.ccb_h.func_code = XPT_DEV_ADVINFO;
3600 cdai.ccb_h.flags = CAM_DIR_IN;
3601 cdai.buftype = CDAI_TYPE_RCAPLONG;
3602 #if (__FreeBSD_version >= 1100061) || \
3603 ((__FreeBSD_version >= 1001510) && (__FreeBSD_version < 1100000))
3604 cdai.flags = CDAI_FLAG_NONE;
3608 cdai.bufsiz = sizeof(rcap_buf);
3609 cdai.buf = (uint8_t *)&rcap_buf;
3610 xpt_action((union ccb *)&cdai);
3611 if ((cdai.ccb_h.status & CAM_DEV_QFRZN) != 0)
3612 cam_release_devq(cdai.ccb_h.path, 0, 0, 0, FALSE);
3614 if ((mprsas_get_ccbstatus((union ccb *)&cdai) == CAM_REQ_CMP)
3615 && (rcap_buf.prot & SRC16_PROT_EN)) {
3616 lun->eedp_formatted = TRUE;
3617 lun->eedp_block_size = scsi_4btoul(rcap_buf.length);
3619 lun->eedp_formatted = FALSE;
3620 lun->eedp_block_size = 0;
3625 case AC_FOUND_DEVICE: {
3626 struct ccb_getdev *cgd;
3629 * See the comment in mpr_attach_sas() for a detailed
3630 * explanation. In these versions of FreeBSD we register
3631 * for all events and filter out the events that don't
3634 #if (__FreeBSD_version < 1000703) || \
3635 ((__FreeBSD_version >= 1100000) && (__FreeBSD_version < 1100002))
3636 if (xpt_path_path_id(path) != sc->sassc->sim->path_id)
3641 #if (__FreeBSD_version < 901503) || \
3642 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3643 mprsas_check_eedp(sc, path, cgd);
3652 #if (__FreeBSD_version < 901503) || \
3653 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006))
3655 mprsas_check_eedp(struct mpr_softc *sc, struct cam_path *path,
3656 struct ccb_getdev *cgd)
3658 struct mprsas_softc *sassc = sc->sassc;
3659 struct ccb_scsiio *csio;
3660 struct scsi_read_capacity_16 *scsi_cmd;
3661 struct scsi_read_capacity_eedp *rcap_buf;
3663 target_id_t targetid;
3666 struct cam_path *local_path;
3667 struct mprsas_target *target;
3668 struct mprsas_lun *lun;
3672 pathid = cam_sim_path(sassc->sim);
3673 targetid = xpt_path_target_id(path);
3674 lunid = xpt_path_lun_id(path);
3676 KASSERT(targetid < sassc->maxtargets, ("Target %d out of bounds in "
3677 "mprsas_check_eedp\n", targetid));
3678 target = &sassc->targets[targetid];
3679 if (target->handle == 0x0)
3683 * Determine if the device is EEDP capable.
3685 * If this flag is set in the inquiry data, the device supports
3686 * protection information, and must support the 16 byte read capacity
3687 * command, otherwise continue without sending read cap 16.
3689 if ((cgd->inq_data.spc3_flags & SPC3_SID_PROTECT) == 0)
3693 * Issue a READ CAPACITY 16 command. This info is used to determine if
3694 * the LUN is formatted for EEDP support.
3696 ccb = xpt_alloc_ccb_nowait();
3698 mpr_dprint(sc, MPR_ERROR, "Unable to alloc CCB for EEDP "
3703 if (xpt_create_path(&local_path, xpt_periph, pathid, targetid, lunid) !=
3705 mpr_dprint(sc, MPR_ERROR, "Unable to create path for EEDP "
3712 * If LUN is already in list, don't create a new one.
3715 SLIST_FOREACH(lun, &target->luns, lun_link) {
3716 if (lun->lun_id == lunid) {
3722 lun = malloc(sizeof(struct mprsas_lun), M_MPR,
3725 mpr_dprint(sc, MPR_ERROR, "Unable to alloc LUN for "
3727 xpt_free_path(local_path);
3731 lun->lun_id = lunid;
3732 SLIST_INSERT_HEAD(&target->luns, lun, lun_link);
3735 xpt_path_string(local_path, path_str, sizeof(path_str));
3736 mpr_dprint(sc, MPR_INFO, "Sending read cap: path %s handle %d\n",
3737 path_str, target->handle);
3740 * Issue a READ CAPACITY 16 command for the LUN. The
3741 * mprsas_read_cap_done function will load the read cap info into the
3744 rcap_buf = malloc(sizeof(struct scsi_read_capacity_eedp), M_MPR,
3746 if (rcap_buf == NULL) {
3747 mpr_dprint(sc, MPR_ERROR, "Unable to alloc read capacity "
3748 "buffer for EEDP support.\n");
3749 xpt_free_path(ccb->ccb_h.path);
3753 xpt_setup_ccb(&ccb->ccb_h, local_path, CAM_PRIORITY_XPT);
3755 csio->ccb_h.func_code = XPT_SCSI_IO;
3756 csio->ccb_h.flags = CAM_DIR_IN;
3757 csio->ccb_h.retry_count = 4;
3758 csio->ccb_h.cbfcnp = mprsas_read_cap_done;
3759 csio->ccb_h.timeout = 60000;
3760 csio->data_ptr = (uint8_t *)rcap_buf;
3761 csio->dxfer_len = sizeof(struct scsi_read_capacity_eedp);
3762 csio->sense_len = MPR_SENSE_LEN;
3763 csio->cdb_len = sizeof(*scsi_cmd);
3764 csio->tag_action = MSG_SIMPLE_Q_TAG;
3766 scsi_cmd = (struct scsi_read_capacity_16 *)&csio->cdb_io.cdb_bytes;
3767 bzero(scsi_cmd, sizeof(*scsi_cmd));
3768 scsi_cmd->opcode = 0x9E;
3769 scsi_cmd->service_action = SRC16_SERVICE_ACTION;
3770 ((uint8_t *)scsi_cmd)[13] = sizeof(struct scsi_read_capacity_eedp);
3772 ccb->ccb_h.ppriv_ptr1 = sassc;
3777 mprsas_read_cap_done(struct cam_periph *periph, union ccb *done_ccb)
3779 struct mprsas_softc *sassc;
3780 struct mprsas_target *target;
3781 struct mprsas_lun *lun;
3782 struct scsi_read_capacity_eedp *rcap_buf;
3784 if (done_ccb == NULL)
3787 /* Driver need to release devq, it Scsi command is
3788 * generated by driver internally.
3789 * Currently there is a single place where driver
3790 * calls scsi command internally. In future if driver
3791 * calls more scsi command internally, it needs to release
3792 * devq internally, since those command will not go back to
3795 if ((done_ccb->ccb_h.status & CAM_DEV_QFRZN) ) {
3796 done_ccb->ccb_h.status &= ~CAM_DEV_QFRZN;
3797 xpt_release_devq(done_ccb->ccb_h.path,
3798 /*count*/ 1, /*run_queue*/TRUE);
3801 rcap_buf = (struct scsi_read_capacity_eedp *)done_ccb->csio.data_ptr;
3804 * Get the LUN ID for the path and look it up in the LUN list for the
3807 sassc = (struct mprsas_softc *)done_ccb->ccb_h.ppriv_ptr1;
3808 KASSERT(done_ccb->ccb_h.target_id < sassc->maxtargets, ("Target %d out "
3809 "of bounds in mprsas_read_cap_done\n", done_ccb->ccb_h.target_id));
3810 target = &sassc->targets[done_ccb->ccb_h.target_id];
3811 SLIST_FOREACH(lun, &target->luns, lun_link) {
3812 if (lun->lun_id != done_ccb->ccb_h.target_lun)
3816 * Got the LUN in the target's LUN list. Fill it in with EEDP
3817 * info. If the READ CAP 16 command had some SCSI error (common
3818 * if command is not supported), mark the lun as not supporting
3819 * EEDP and set the block size to 0.
3821 if ((mprsas_get_ccbstatus(done_ccb) != CAM_REQ_CMP) ||
3822 (done_ccb->csio.scsi_status != SCSI_STATUS_OK)) {
3823 lun->eedp_formatted = FALSE;
3824 lun->eedp_block_size = 0;
3828 if (rcap_buf->protect & 0x01) {
3829 mpr_dprint(sassc->sc, MPR_INFO, "LUN %d for target ID "
3830 "%d is formatted for EEDP support.\n",
3831 done_ccb->ccb_h.target_lun,
3832 done_ccb->ccb_h.target_id);
3833 lun->eedp_formatted = TRUE;
3834 lun->eedp_block_size = scsi_4btoul(rcap_buf->length);
3839 // Finished with this CCB and path.
3840 free(rcap_buf, M_MPR);
3841 xpt_free_path(done_ccb->ccb_h.path);
3842 xpt_free_ccb(done_ccb);
3844 #endif /* (__FreeBSD_version < 901503) || \
3845 ((__FreeBSD_version >= 1000000) && (__FreeBSD_version < 1000006)) */
3848 mprsas_prepare_for_tm(struct mpr_softc *sc, struct mpr_command *tm,
3849 struct mprsas_target *target, lun_id_t lun_id)
3855 * Set the INRESET flag for this target so that no I/O will be sent to
3856 * the target until the reset has completed. If an I/O request does
3857 * happen, the devq will be frozen. The CCB holds the path which is
3858 * used to release the devq. The devq is released and the CCB is freed
3859 * when the TM completes.
3861 ccb = xpt_alloc_ccb_nowait();
3863 path_id = cam_sim_path(sc->sassc->sim);
3864 if (xpt_create_path(&ccb->ccb_h.path, xpt_periph, path_id,
3865 target->tid, lun_id) != CAM_REQ_CMP) {
3869 tm->cm_targ = target;
3870 target->flags |= MPRSAS_TARGET_INRESET;
3876 mprsas_startup(struct mpr_softc *sc)
3879 * Send the port enable message and set the wait_for_port_enable flag.
3880 * This flag helps to keep the simq frozen until all discovery events
3883 sc->wait_for_port_enable = 1;
3884 mprsas_send_portenable(sc);
3889 mprsas_send_portenable(struct mpr_softc *sc)
3891 MPI2_PORT_ENABLE_REQUEST *request;
3892 struct mpr_command *cm;
3896 if ((cm = mpr_alloc_command(sc)) == NULL)
3898 request = (MPI2_PORT_ENABLE_REQUEST *)cm->cm_req;
3899 request->Function = MPI2_FUNCTION_PORT_ENABLE;
3900 request->MsgFlags = 0;
3902 cm->cm_desc.Default.RequestFlags = MPI2_REQ_DESCRIPT_FLAGS_DEFAULT_TYPE;
3903 cm->cm_complete = mprsas_portenable_complete;
3907 mpr_map_command(sc, cm);
3908 mpr_dprint(sc, MPR_XINFO,
3909 "mpr_send_portenable finished cm %p req %p complete %p\n",
3910 cm, cm->cm_req, cm->cm_complete);
3915 mprsas_portenable_complete(struct mpr_softc *sc, struct mpr_command *cm)
3917 MPI2_PORT_ENABLE_REPLY *reply;
3918 struct mprsas_softc *sassc;
3924 * Currently there should be no way we can hit this case. It only
3925 * happens when we have a failure to allocate chain frames, and
3926 * port enable commands don't have S/G lists.
3928 if ((cm->cm_flags & MPR_CM_FLAGS_ERROR_MASK) != 0) {
3929 mpr_dprint(sc, MPR_ERROR, "%s: cm_flags = %#x for port enable! "
3930 "This should not happen!\n", __func__, cm->cm_flags);
3933 reply = (MPI2_PORT_ENABLE_REPLY *)cm->cm_reply;
3935 mpr_dprint(sc, MPR_FAULT, "Portenable NULL reply\n");
3936 else if (le16toh(reply->IOCStatus & MPI2_IOCSTATUS_MASK) !=
3937 MPI2_IOCSTATUS_SUCCESS)
3938 mpr_dprint(sc, MPR_FAULT, "Portenable failed\n");
3940 mpr_free_command(sc, cm);
3941 if (sc->mpr_ich.ich_arg != NULL) {
3942 mpr_dprint(sc, MPR_XINFO, "disestablish config intrhook\n");
3943 config_intrhook_disestablish(&sc->mpr_ich);
3944 sc->mpr_ich.ich_arg = NULL;
3948 * Done waiting for port enable to complete. Decrement the refcount.
3949 * If refcount is 0, discovery is complete and a rescan of the bus can
3952 sc->wait_for_port_enable = 0;
3953 sc->port_enable_complete = 1;
3954 wakeup(&sc->port_enable_complete);
3955 mprsas_startup_decrement(sassc);
3959 mprsas_check_id(struct mprsas_softc *sassc, int id)
3961 struct mpr_softc *sc = sassc->sc;
3965 ids = &sc->exclude_ids[0];
3966 while((name = strsep(&ids, ",")) != NULL) {
3967 if (name[0] == '\0')
3969 if (strtol(name, NULL, 0) == (long)id)
3977 mprsas_realloc_targets(struct mpr_softc *sc, int maxtargets)
3979 struct mprsas_softc *sassc;
3980 struct mprsas_lun *lun, *lun_tmp;
3981 struct mprsas_target *targ;
3986 * The number of targets is based on IOC Facts, so free all of
3987 * the allocated LUNs for each target and then the target buffer
3990 for (i=0; i< maxtargets; i++) {
3991 targ = &sassc->targets[i];
3992 SLIST_FOREACH_SAFE(lun, &targ->luns, lun_link, lun_tmp) {
3996 free(sassc->targets, M_MPR);
3998 sassc->targets = malloc(sizeof(struct mprsas_target) * maxtargets,
3999 M_MPR, M_WAITOK|M_ZERO);
4000 if (!sassc->targets) {
4001 panic("%s failed to alloc targets with error %d\n",