2 * Copyright (c) 2000 Matthew Jacob
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions, and the following disclaimer,
10 * without modification, immediately at the beginning of the file.
11 * 2. The name of the author may not be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
18 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
33 #include <sys/errno.h>
34 #include <sys/fcntl.h>
35 #include <sys/kernel.h>
36 #include <sys/kthread.h>
38 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 #include <sys/queue.h>
42 #include <sys/systm.h>
43 #include <sys/sysctl.h>
44 #include <sys/types.h>
46 #include <machine/stdarg.h>
49 #include <cam/cam_ccb.h>
50 #include <cam/cam_debug.h>
51 #include <cam/cam_periph.h>
52 #include <cam/cam_xpt_periph.h>
54 #include <cam/scsi/scsi_all.h>
55 #include <cam/scsi/scsi_message.h>
56 #include <cam/scsi/scsi_enc.h>
57 #include <cam/scsi/scsi_enc_internal.h>
61 MALLOC_DEFINE(M_SCSIENC, "SCSI ENC", "SCSI ENC buffers");
63 /* Enclosure type independent driver */
65 static d_open_t enc_open;
66 static d_close_t enc_close;
67 static d_ioctl_t enc_ioctl;
68 static periph_init_t enc_init;
69 static periph_ctor_t enc_ctor;
70 static periph_oninv_t enc_oninvalidate;
71 static periph_dtor_t enc_dtor;
72 static periph_start_t enc_start;
74 static void enc_async(void *, uint32_t, struct cam_path *, void *);
75 static enctyp enc_type(struct ccb_getdev *);
77 SYSCTL_NODE(_kern_cam, OID_AUTO, enc, CTLFLAG_RD, 0,
78 "CAM Enclosure Services driver");
80 static struct periph_driver encdriver = {
82 TAILQ_HEAD_INITIALIZER(encdriver.units), /* generation */ 0
85 PERIPHDRIVER_DECLARE(enc, encdriver);
87 static struct cdevsw enc_cdevsw = {
88 .d_version = D_VERSION,
93 .d_flags = D_TRACKCLOSE,
102 * Install a global async callback. This callback will
103 * receive async callbacks like "new device found".
105 status = xpt_register_async(AC_FOUND_DEVICE, enc_async, NULL, NULL);
107 if (status != CAM_REQ_CMP) {
108 printf("enc: Failed to attach master async callback "
109 "due to status 0x%x!\n", status);
114 enc_devgonecb(void *arg)
117 struct cam_periph *periph;
118 struct enc_softc *enc;
121 periph = (struct cam_periph *)arg;
123 enc = (struct enc_softc *)periph->softc;
128 * When we get this callback, we will get no more close calls from
129 * devfs. So if we have any dangling opens, we need to release the
130 * reference held for that particular context.
132 for (i = 0; i < enc->open_count; i++)
133 cam_periph_release_locked(periph);
138 * Release the reference held for the device node, it is gone now.
140 cam_periph_release_locked(periph);
143 * We reference the SIM lock directly here, instead of using
144 * cam_periph_unlock(). The reason is that the final call to
145 * cam_periph_release_locked() above could result in the periph
146 * getting freed. If that is the case, dereferencing the periph
147 * with a cam_periph_unlock() call would cause a page fault.
149 mtx_unlock(sim->mtx);
153 enc_oninvalidate(struct cam_periph *periph)
155 struct enc_softc *enc;
159 enc->enc_flags |= ENC_FLAG_INVALID;
161 /* If the sub-driver has an invalidate routine, call it */
162 if (enc->enc_vec.softc_invalidate != NULL)
163 enc->enc_vec.softc_invalidate(enc);
166 * Unregister any async callbacks.
168 xpt_register_async(0, enc_async, periph, periph->path);
171 * Shutdown our daemon.
173 enc->enc_flags |= ENC_FLAG_SHUTDOWN;
174 if (enc->enc_daemon != NULL) {
175 /* Signal the ses daemon to terminate. */
176 wakeup(enc->enc_daemon);
178 callout_drain(&enc->status_updater);
180 destroy_dev_sched_cb(enc->enc_dev, enc_devgonecb, periph);
182 xpt_print(periph->path, "lost device\n");
186 enc_dtor(struct cam_periph *periph)
188 struct enc_softc *enc;
192 xpt_print(periph->path, "removing device entry\n");
195 /* If the sub-driver has a cleanup routine, call it */
196 if (enc->enc_vec.softc_cleanup != NULL)
197 enc->enc_vec.softc_cleanup(enc);
199 if (enc->enc_boot_hold_ch.ich_func != NULL) {
200 config_intrhook_disestablish(&enc->enc_boot_hold_ch);
201 enc->enc_boot_hold_ch.ich_func = NULL;
208 enc_async(void *callback_arg, uint32_t code, struct cam_path *path, void *arg)
210 struct cam_periph *periph;
212 periph = (struct cam_periph *)callback_arg;
215 case AC_FOUND_DEVICE:
217 struct ccb_getdev *cgd;
221 cgd = (struct ccb_getdev *)arg;
226 if (enc_type(cgd) == ENC_NONE) {
228 * Schedule announcement of the ENC bindings for
229 * this device if it is managed by a SEP.
231 path_id = xpt_path_path_id(path);
233 TAILQ_FOREACH(periph, &encdriver.units, unit_links) {
234 struct enc_softc *softc;
236 softc = (struct enc_softc *)periph->softc;
237 if (xpt_path_path_id(periph->path) != path_id
239 || (softc->enc_flags & ENC_FLAG_INITIALIZED)
241 || softc->enc_vec.device_found == NULL)
244 softc->enc_vec.device_found(softc);
250 status = cam_periph_alloc(enc_ctor, enc_oninvalidate,
251 enc_dtor, enc_start, "ses", CAM_PERIPH_BIO,
252 cgd->ccb_h.path, enc_async, AC_FOUND_DEVICE, cgd);
254 if (status != CAM_REQ_CMP && status != CAM_REQ_INPROG) {
255 printf("enc_async: Unable to probe new device due to "
256 "status 0x%x\n", status);
261 cam_periph_async(periph, code, path, arg);
267 enc_open(struct cdev *dev, int flags, int fmt, struct thread *td)
269 struct cam_periph *periph;
270 struct enc_softc *softc;
273 periph = (struct cam_periph *)dev->si_drv1;
274 if (periph == NULL) {
278 if (cam_periph_acquire(periph) != CAM_REQ_CMP)
281 cam_periph_lock(periph);
283 softc = (struct enc_softc *)periph->softc;
285 if ((softc->enc_flags & ENC_FLAG_INITIALIZED) == 0) {
289 if (softc->enc_flags & ENC_FLAG_INVALID) {
295 cam_periph_release_locked(periph);
299 cam_periph_unlock(periph);
305 enc_close(struct cdev *dev, int flag, int fmt, struct thread *td)
308 struct cam_periph *periph;
309 struct enc_softc *enc;
311 periph = (struct cam_periph *)dev->si_drv1;
322 cam_periph_release_locked(periph);
325 * We reference the SIM lock directly here, instead of using
326 * cam_periph_unlock(). The reason is that the call to
327 * cam_periph_release_locked() above could result in the periph
328 * getting freed. If that is the case, dereferencing the periph
329 * with a cam_periph_unlock() call would cause a page fault.
331 * cam_periph_release() avoids this problem using the same method,
332 * but we're manually acquiring and dropping the lock here to
333 * protect the open count and avoid another lock acquisition and
336 mtx_unlock(sim->mtx);
342 enc_start(struct cam_periph *p, union ccb *sccb)
344 struct enc_softc *enc;
347 ENC_DLOG(enc, "%s enter imm=%d prio=%d\n",
348 __func__, p->immediate_priority, p->pinfo.priority);
349 if (p->immediate_priority <= p->pinfo.priority) {
350 SLIST_INSERT_HEAD(&p->ccb_list, &sccb->ccb_h, periph_links.sle);
351 p->immediate_priority = CAM_PRIORITY_NONE;
352 wakeup(&p->ccb_list);
354 xpt_release_ccb(sccb);
355 ENC_DLOG(enc, "%s exit\n", __func__);
359 enc_done(struct cam_periph *periph, union ccb *dccb)
361 wakeup(&dccb->ccb_h.cbfcnp);
365 enc_error(union ccb *ccb, uint32_t cflags, uint32_t sflags)
367 struct enc_softc *softc;
368 struct cam_periph *periph;
370 periph = xpt_path_periph(ccb->ccb_h.path);
371 softc = (struct enc_softc *)periph->softc;
373 return (cam_periph_error(ccb, cflags, sflags, &softc->saved_ccb));
377 enc_ioctl(struct cdev *dev, u_long cmd, caddr_t arg_addr, int flag,
380 struct cam_periph *periph;
381 encioc_enc_status_t tmp;
382 encioc_string_t sstr;
383 encioc_elm_status_t elms;
384 encioc_elm_desc_t elmd;
385 encioc_elm_devnames_t elmdn;
386 encioc_element_t *uelm;
394 addr = *((caddr_t *) arg_addr);
398 periph = (struct cam_periph *)dev->si_drv1;
402 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE, ("entering encioctl\n"));
404 cam_periph_lock(periph);
405 enc = (struct enc_softc *)periph->softc;
406 cache = &enc->enc_cache;
409 * Now check to see whether we're initialized or not.
410 * This actually should never fail as we're not supposed
411 * to get past enc_open w/o successfully initializing
414 if ((enc->enc_flags & ENC_FLAG_INITIALIZED) == 0) {
415 cam_periph_unlock(periph);
418 cam_periph_unlock(periph);
422 CAM_DEBUG(periph->path, CAM_DEBUG_TRACE,
423 ("trying to do ioctl %#lx\n", cmd));
426 * If this command can change the device's state,
427 * we must have the device open for writing.
429 * For commands that get information about the
430 * device- we don't need to lock the peripheral
431 * if we aren't running a command. The periph
432 * also can't go away while a user process has
437 case ENCIOC_GETELMMAP:
438 case ENCIOC_GETENCSTAT:
439 case ENCIOC_GETELMSTAT:
440 case ENCIOC_GETELMDESC:
441 case ENCIOC_GETELMDEVNAMES:
444 if ((flag & FWRITE) == 0) {
450 * XXX The values read here are only valid for the current
451 * configuration generation. We need these ioctls
452 * to also pass in/out a generation number.
454 sx_slock(&enc->enc_cache_lock);
457 error = copyout(&cache->nelms, addr, sizeof (cache->nelms));
460 case ENCIOC_GETELMMAP:
461 for (uelm = addr, i = 0; i != cache->nelms; i++) {
462 encioc_element_t kelm;
464 kelm.elm_subenc_id = cache->elm_map[i].subenclosure;
465 kelm.elm_type = cache->elm_map[i].enctype;
466 error = copyout(&kelm, &uelm[i], sizeof(kelm));
472 case ENCIOC_GETENCSTAT:
473 cam_periph_lock(periph);
474 error = enc->enc_vec.get_enc_status(enc, 1);
476 cam_periph_unlock(periph);
479 tmp = cache->enc_status;
480 cam_periph_unlock(periph);
481 error = copyout(&tmp, addr, sizeof(tmp));
482 cache->enc_status = tmp;
485 case ENCIOC_SETENCSTAT:
486 error = copyin(addr, &tmp, sizeof(tmp));
489 cam_periph_lock(periph);
490 error = enc->enc_vec.set_enc_status(enc, tmp, 1);
491 cam_periph_unlock(periph);
494 case ENCIOC_GETSTRING:
495 case ENCIOC_SETSTRING:
496 if (enc->enc_vec.handle_string == NULL) {
500 error = copyin(addr, &sstr, sizeof(sstr));
503 cam_periph_lock(periph);
504 error = enc->enc_vec.handle_string(enc, &sstr, cmd);
505 cam_periph_unlock(periph);
508 case ENCIOC_GETELMSTAT:
509 error = copyin(addr, &elms, sizeof(elms));
512 if (elms.elm_idx >= cache->nelms) {
516 cam_periph_lock(periph);
517 error = enc->enc_vec.get_elm_status(enc, &elms, 1);
518 cam_periph_unlock(periph);
521 error = copyout(&elms, addr, sizeof(elms));
524 case ENCIOC_GETELMDESC:
525 error = copyin(addr, &elmd, sizeof(elmd));
528 if (elmd.elm_idx >= cache->nelms) {
532 if (enc->enc_vec.get_elm_desc != NULL) {
533 error = enc->enc_vec.get_elm_desc(enc, &elmd);
537 elmd.elm_desc_len = 0;
538 error = copyout(&elmd, addr, sizeof(elmd));
541 case ENCIOC_GETELMDEVNAMES:
542 if (enc->enc_vec.get_elm_devnames == NULL) {
546 error = copyin(addr, &elmdn, sizeof(elmdn));
549 if (elmdn.elm_idx >= cache->nelms) {
553 cam_periph_lock(periph);
554 error = (*enc->enc_vec.get_elm_devnames)(enc, &elmdn);
555 cam_periph_unlock(periph);
558 error = copyout(&elmdn, addr, sizeof(elmdn));
561 case ENCIOC_SETELMSTAT:
562 error = copyin(addr, &elms, sizeof(elms));
566 if (elms.elm_idx >= cache->nelms) {
570 cam_periph_lock(periph);
571 error = enc->enc_vec.set_elm_status(enc, &elms, 1);
572 cam_periph_unlock(periph);
578 cam_periph_lock(periph);
579 error = enc->enc_vec.init_enc(enc);
580 cam_periph_unlock(periph);
584 cam_periph_lock(periph);
585 error = cam_periph_ioctl(periph, cmd, arg_addr, enc_error);
586 cam_periph_unlock(periph);
589 sx_sunlock(&enc->enc_cache_lock);
594 enc_runcmd(struct enc_softc *enc, char *cdb, int cdbl, char *dptr, int *dlenp)
596 int error, dlen, tdlen;
600 CAM_DEBUG(enc->periph->path, CAM_DEBUG_TRACE,
601 ("entering enc_runcmd\n"));
603 if ((dlen = *dlenp) < 0) {
614 if (cdbl > IOCDBLEN) {
618 ccb = cam_periph_getccb(enc->periph, CAM_PRIORITY_NORMAL);
619 if (enc->enc_type == ENC_SEMB_SES || enc->enc_type == ENC_SEMB_SAFT) {
620 tdlen = min(dlen, 1020);
621 tdlen = (tdlen + 3) & ~3;
622 cam_fill_ataio(&ccb->ataio, 0, enc_done, ddf, 0, dptr, tdlen,
624 if (cdb[0] == RECEIVE_DIAGNOSTIC)
625 ata_28bit_cmd(&ccb->ataio,
626 ATA_SEP_ATTN, cdb[2], 0x02, tdlen / 4);
627 else if (cdb[0] == SEND_DIAGNOSTIC)
628 ata_28bit_cmd(&ccb->ataio,
629 ATA_SEP_ATTN, dlen > 0 ? dptr[0] : 0,
631 else if (cdb[0] == READ_BUFFER)
632 ata_28bit_cmd(&ccb->ataio,
633 ATA_SEP_ATTN, cdb[2], 0x00, tdlen / 4);
635 ata_28bit_cmd(&ccb->ataio,
636 ATA_SEP_ATTN, dlen > 0 ? dptr[0] : 0,
640 cam_fill_csio(&ccb->csio, 0, enc_done, ddf, MSG_SIMPLE_Q_TAG,
641 dptr, dlen, sizeof (struct scsi_sense_data), cdbl,
643 bcopy(cdb, ccb->csio.cdb_io.cdb_bytes, cdbl);
646 error = cam_periph_runccb(ccb, enc_error, ENC_CFLAGS, ENC_FLAGS, NULL);
653 if (ccb->ccb_h.func_code == XPT_ATA_IO)
654 *dlenp = ccb->ataio.resid;
656 *dlenp = ccb->csio.resid;
657 *dlenp += tdlen - dlen;
660 xpt_release_ccb(ccb);
661 CAM_DEBUG(enc->periph->path, CAM_DEBUG_SUBTRACE,
662 ("exiting enc_runcmd: *dlenp = %d\n", *dlenp));
667 enc_log(struct enc_softc *enc, const char *fmt, ...)
671 printf("%s%d: ", enc->periph->periph_name, enc->periph->unit_number);
678 * The code after this point runs on many platforms,
679 * so forgive the slightly awkward and nonconforming
684 * Is this a device that supports enclosure services?
686 * It's a pretty simple ruleset- if it is device type
687 * 0x0D (13), it's an ENCLOSURE device.
690 #define SAFTE_START 44
692 #define SAFTE_LEN SAFTE_END-SAFTE_START
695 enc_type(struct ccb_getdev *cgd)
700 if (cgd->protocol == PROTO_SEMB) {
701 iqd = (unsigned char *)&cgd->ident_data;
702 if (STRNCMP(iqd + 43, "S-E-S", 5) == 0)
703 return (ENC_SEMB_SES);
704 else if (STRNCMP(iqd + 43, "SAF-TE", 6) == 0)
705 return (ENC_SEMB_SAFT);
708 } else if (cgd->protocol != PROTO_SCSI)
711 iqd = (unsigned char *)&cgd->inq_data;
712 buflen = min(sizeof(cgd->inq_data),
713 SID_ADDITIONAL_LENGTH(&cgd->inq_data));
715 if ((iqd[0] & 0x1f) == T_ENCLOSURE) {
716 if ((iqd[2] & 0x7) > 2) {
719 return (ENC_SES_SCSI2);
724 #ifdef SES_ENABLE_PASSTHROUGH
725 if ((iqd[6] & 0x40) && (iqd[2] & 0x7) >= 2) {
727 * PassThrough Device.
729 return (ENC_SES_PASSTHROUGH);
734 * The comparison is short for a reason-
735 * some vendors were chopping it short.
738 if (buflen < SAFTE_END - 2) {
742 if (STRNCMP((char *)&iqd[SAFTE_START], "SAF-TE", SAFTE_LEN - 2) == 0) {
748 /*================== Enclosure Monitoring/Processing Daemon ==================*/
750 * \brief Queue an update request for a given action, if needed.
752 * \param enc SES softc to queue the request for.
753 * \param action Action requested.
756 enc_update_request(enc_softc_t *enc, uint32_t action)
758 if ((enc->pending_actions & (0x1 << action)) == 0) {
759 enc->pending_actions |= (0x1 << action);
760 ENC_DLOG(enc, "%s: queing requested action %d\n",
762 if (enc->current_action == ENC_UPDATE_NONE)
763 wakeup(enc->enc_daemon);
765 ENC_DLOG(enc, "%s: ignoring requested action %d - "
766 "Already queued\n", __func__, action);
771 * \brief Invoke the handler of the highest priority pending
772 * state in the SES state machine.
774 * \param enc The SES instance invoking the state machine.
777 enc_fsm_step(enc_softc_t *enc)
781 struct enc_fsm_state *cur_state;
785 ENC_DLOG(enc, "%s enter %p\n", __func__, enc);
787 enc->current_action = ffs(enc->pending_actions) - 1;
788 enc->pending_actions &= ~(0x1 << enc->current_action);
790 cur_state = &enc->enc_fsm_states[enc->current_action];
793 if (cur_state->buf_size != 0) {
794 cam_periph_unlock(enc->periph);
795 buf = malloc(cur_state->buf_size, M_SCSIENC, M_WAITOK|M_ZERO);
796 cam_periph_lock(enc->periph);
801 if (cur_state->fill != NULL) {
802 ccb = cam_periph_getccb(enc->periph, CAM_PRIORITY_NORMAL);
804 error = cur_state->fill(enc, cur_state, ccb, buf);
808 error = cam_periph_runccb(ccb, cur_state->error,
810 ENC_FLAGS|SF_QUIET_IR, NULL);
814 if (ccb->ccb_h.func_code == XPT_ATA_IO)
815 xfer_len = ccb->ataio.dxfer_len - ccb->ataio.resid;
817 xfer_len = ccb->csio.dxfer_len - ccb->csio.resid;
821 cam_periph_unlock(enc->periph);
822 cur_state->done(enc, cur_state, ccb, &buf, error, xfer_len);
823 cam_periph_lock(enc->periph);
826 ENC_DLOG(enc, "%s exit - result %d\n", __func__, error);
827 ENC_FREE_AND_NULL(buf);
829 xpt_release_ccb(ccb);
833 * \invariant Called with cam_periph mutex held.
836 enc_status_updater(void *arg)
841 if (enc->enc_vec.poll_status != NULL)
842 enc->enc_vec.poll_status(enc);
846 enc_daemon(void *arg)
852 cam_periph_lock(enc->periph);
853 while ((enc->enc_flags & ENC_FLAG_SHUTDOWN) == 0) {
854 if (enc->pending_actions == 0) {
855 struct intr_config_hook *hook;
858 * Reset callout and msleep, or
859 * issue timed task completion
862 enc->current_action = ENC_UPDATE_NONE;
865 * We've been through our state machine at least
866 * once. Allow the transition to userland.
868 hook = &enc->enc_boot_hold_ch;
869 if (hook->ich_func != NULL) {
870 config_intrhook_disestablish(hook);
871 hook->ich_func = NULL;
874 callout_reset(&enc->status_updater, 60*hz,
875 enc_status_updater, enc);
877 cam_periph_sleep(enc->periph, enc->enc_daemon,
883 enc->enc_daemon = NULL;
884 cam_periph_unlock(enc->periph);
885 cam_periph_release(enc->periph);
890 enc_kproc_init(enc_softc_t *enc)
894 callout_init_mtx(&enc->status_updater, enc->periph->sim->mtx, 0);
896 if (cam_periph_acquire(enc->periph) != CAM_REQ_CMP)
899 result = kproc_create(enc_daemon, enc, &enc->enc_daemon, /*flags*/0,
900 /*stackpgs*/0, "enc_daemon%d",
901 enc->periph->unit_number);
903 /* Do an initial load of all page data. */
904 cam_periph_lock(enc->periph);
905 enc->enc_vec.poll_status(enc);
906 cam_periph_unlock(enc->periph);
908 cam_periph_release(enc->periph);
913 * \brief Interrupt configuration hook callback associated with
916 * Since interrupts are always functional at the time of enclosure
917 * configuration, there is nothing to be done when the callback occurs.
918 * This hook is only registered to hold up boot processing while initial
919 * eclosure processing occurs.
921 * \param arg The enclosure softc, but currently unused in this callback.
924 enc_nop_confighook_cb(void *arg __unused)
929 enc_ctor(struct cam_periph *periph, void *arg)
931 cam_status status = CAM_REQ_CMP_ERR;
934 struct ccb_getdev *cgd;
937 cgd = (struct ccb_getdev *)arg;
939 printf("enc_ctor: no getdev CCB, can't register device\n");
943 enc = ENC_MALLOCZ(sizeof(*enc));
945 printf("enc_ctor: Unable to probe new device. "
946 "Unable to allocate enc\n");
949 enc->periph = periph;
950 enc->current_action = ENC_UPDATE_INVALID;
952 enc->enc_type = enc_type(cgd);
953 sx_init(&enc->enc_cache_lock, "enccache");
955 switch (enc->enc_type) {
958 case ENC_SES_PASSTHROUGH:
960 err = ses_softc_init(enc);
964 err = safte_softc_init(enc);
969 return (CAM_REQ_CMP_ERR);
973 xpt_print(periph->path, "error %d initializing\n", err);
978 * Hold off userland until we have made at least one pass
979 * through our state machine so that physical path data is
982 if (enc->enc_vec.poll_status != NULL) {
983 enc->enc_boot_hold_ch.ich_func = enc_nop_confighook_cb;
984 enc->enc_boot_hold_ch.ich_arg = enc;
985 config_intrhook_establish(&enc->enc_boot_hold_ch);
989 * The softc field is set only once the enc is fully initialized
990 * so that we can rely on this field to detect partially
991 * initialized periph objects in the AC_FOUND_DEVICE handler.
995 cam_periph_unlock(periph);
996 if (enc->enc_vec.poll_status != NULL) {
997 err = enc_kproc_init(enc);
999 xpt_print(periph->path,
1000 "error %d starting enc_daemon\n", err);
1006 * Acquire a reference to the periph before we create the devfs
1007 * instance for it. We'll release this reference once the devfs
1008 * instance has been freed.
1010 if (cam_periph_acquire(periph) != CAM_REQ_CMP) {
1011 xpt_print(periph->path, "%s: lost periph during "
1012 "registration!\n", __func__);
1013 cam_periph_lock(periph);
1015 return (CAM_REQ_CMP_ERR);
1018 enc->enc_dev = make_dev(&enc_cdevsw, periph->unit_number,
1019 UID_ROOT, GID_OPERATOR, 0600, "%s%d",
1020 periph->periph_name, periph->unit_number);
1022 cam_periph_lock(periph);
1023 enc->enc_dev->si_drv1 = periph;
1025 enc->enc_flags |= ENC_FLAG_INITIALIZED;
1028 * Add an async callback so that we get notified if this
1031 xpt_register_async(AC_LOST_DEVICE, enc_async, periph, periph->path);
1033 switch (enc->enc_type) {
1036 tname = "No ENC device";
1039 tname = "SCSI-2 ENC Device";
1042 tname = "SCSI-3 ENC Device";
1044 case ENC_SES_PASSTHROUGH:
1045 tname = "ENC Passthrough Device";
1048 tname = "SAF-TE Compliant Device";
1051 tname = "SEMB SES Device";
1054 tname = "SEMB SAF-TE Device";
1057 xpt_announce_periph(periph, tname);
1058 status = CAM_REQ_CMP;
1061 if (status != CAM_REQ_CMP)