2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
33 #include <sys/endian.h>
34 #include <sys/kernel.h>
36 #include <sys/limits.h>
38 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 #include <sys/systm.h>
41 #include <sys/taskqueue.h>
42 #include <geom/geom.h>
43 #include "geom/raid/g_raid.h"
44 #include "g_raid_md_if.h"
46 static MALLOC_DEFINE(M_MD_JMICRON, "md_jmicron_data", "GEOM_RAID JMicron metadata");
48 #define JMICRON_MAX_DISKS 8
49 #define JMICRON_MAX_SPARE 2
51 struct jmicron_raid_conf {
52 u_int8_t signature[2];
53 #define JMICRON_MAGIC "JM"
56 #define JMICRON_VERSION 0x0001
59 u_int8_t filler_1[10];
62 u_int32_t disk_sectors_high;
63 u_int16_t disk_sectors_low;
67 #define JMICRON_T_RAID0 0
68 #define JMICRON_T_RAID1 1
69 #define JMICRON_T_RAID01 2
70 #define JMICRON_T_CONCAT 3
71 #define JMICRON_T_RAID5 5
73 u_int8_t stripe_shift;
75 #define JMICRON_F_READY 0x0001
76 #define JMICRON_F_BOOTABLE 0x0002
77 #define JMICRON_F_BADSEC 0x0004
78 #define JMICRON_F_ACTIVE 0x0010
79 #define JMICRON_F_UNSYNC 0x0020
80 #define JMICRON_F_NEWEST 0x0040
83 u_int32_t spare[JMICRON_MAX_SPARE];
84 u_int32_t disks[JMICRON_MAX_DISKS];
85 #define JMICRON_DISK_MASK 0xFFFFFFF0
86 #define JMICRON_SEG_MASK 0x0000000F
87 u_int8_t filler_4[32];
88 u_int8_t filler_5[384];
91 struct g_raid_md_jmicron_perdisk {
92 struct jmicron_raid_conf *pd_meta;
98 struct g_raid_md_jmicron_object {
99 struct g_raid_md_object mdio_base;
100 uint32_t mdio_config_id;
101 struct jmicron_raid_conf *mdio_meta;
102 struct callout mdio_start_co; /* STARTING state timer. */
103 int mdio_total_disks;
104 int mdio_disks_present;
107 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
110 static g_raid_md_create_t g_raid_md_create_jmicron;
111 static g_raid_md_taste_t g_raid_md_taste_jmicron;
112 static g_raid_md_event_t g_raid_md_event_jmicron;
113 static g_raid_md_ctl_t g_raid_md_ctl_jmicron;
114 static g_raid_md_write_t g_raid_md_write_jmicron;
115 static g_raid_md_fail_disk_t g_raid_md_fail_disk_jmicron;
116 static g_raid_md_free_disk_t g_raid_md_free_disk_jmicron;
117 static g_raid_md_free_t g_raid_md_free_jmicron;
119 static kobj_method_t g_raid_md_jmicron_methods[] = {
120 KOBJMETHOD(g_raid_md_create, g_raid_md_create_jmicron),
121 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_jmicron),
122 KOBJMETHOD(g_raid_md_event, g_raid_md_event_jmicron),
123 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_jmicron),
124 KOBJMETHOD(g_raid_md_write, g_raid_md_write_jmicron),
125 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_jmicron),
126 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_jmicron),
127 KOBJMETHOD(g_raid_md_free, g_raid_md_free_jmicron),
131 static struct g_raid_md_class g_raid_md_jmicron_class = {
133 g_raid_md_jmicron_methods,
134 sizeof(struct g_raid_md_jmicron_object),
140 g_raid_md_jmicron_print(struct jmicron_raid_conf *meta)
144 if (g_raid_debug < 1)
147 printf("********* ATA JMicron RAID Metadata *********\n");
148 printf("signature <%c%c>\n", meta->signature[0], meta->signature[1]);
149 printf("version %04x\n", meta->version);
150 printf("checksum 0x%04x\n", meta->checksum);
151 printf("disk_id 0x%08x\n", meta->disk_id);
152 printf("offset 0x%08x\n", meta->offset);
153 printf("disk_sectors_high 0x%08x\n", meta->disk_sectors_high);
154 printf("disk_sectors_low 0x%04x\n", meta->disk_sectors_low);
155 printf("name <%.16s>\n", meta->name);
156 printf("type %d\n", meta->type);
157 printf("stripe_shift %d\n", meta->stripe_shift);
158 printf("flags %04x\n", meta->flags);
160 for (k = 0; k < JMICRON_MAX_SPARE; k++)
161 printf(" 0x%08x", meta->spare[k]);
164 for (k = 0; k < JMICRON_MAX_DISKS; k++)
165 printf(" 0x%08x", meta->disks[k]);
167 printf("=================================================\n");
170 static struct jmicron_raid_conf *
171 jmicron_meta_copy(struct jmicron_raid_conf *meta)
173 struct jmicron_raid_conf *nmeta;
175 nmeta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
176 memcpy(nmeta, meta, sizeof(*meta));
181 jmicron_meta_total_disks(struct jmicron_raid_conf *meta)
185 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
186 if (meta->disks[pos] == 0)
193 jmicron_meta_total_spare(struct jmicron_raid_conf *meta)
198 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
199 if (meta->spare[pos] != 0)
206 * Generate fake Configuration ID based on disk IDs.
207 * Note: it will change after each disk set change.
210 jmicron_meta_config_id(struct jmicron_raid_conf *meta)
216 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++)
217 config_id += meta->disks[pos] << pos;
222 jmicron_meta_get_name(struct jmicron_raid_conf *meta, char *buf)
226 strncpy(buf, meta->name, 16);
228 for (i = 15; i >= 0; i--) {
236 jmicron_meta_put_name(struct jmicron_raid_conf *meta, char *buf)
239 memset(meta->name, 0x20, 16);
240 memcpy(meta->name, buf, MIN(strlen(buf), 16));
244 jmicron_meta_find_disk(struct jmicron_raid_conf *meta, uint32_t id)
248 id &= JMICRON_DISK_MASK;
249 for (pos = 0; pos < JMICRON_MAX_DISKS; pos++) {
250 if ((meta->disks[pos] & JMICRON_DISK_MASK) == id)
253 for (pos = 0; pos < JMICRON_MAX_SPARE; pos++) {
254 if ((meta->spare[pos] & JMICRON_DISK_MASK) == id)
260 static struct jmicron_raid_conf *
261 jmicron_meta_read(struct g_consumer *cp)
263 struct g_provider *pp;
264 struct jmicron_raid_conf *meta;
267 uint16_t checksum, *ptr;
271 /* Read the anchor sector. */
272 buf = g_read_data(cp,
273 pp->mediasize - pp->sectorsize, pp->sectorsize, &error);
275 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
279 meta = (struct jmicron_raid_conf *)buf;
281 /* Check if this is an JMicron RAID struct */
282 if (strncmp(meta->signature, JMICRON_MAGIC, strlen(JMICRON_MAGIC))) {
283 G_RAID_DEBUG(1, "JMicron signature check failed on %s", pp->name);
287 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK);
288 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
291 /* Check metadata checksum. */
292 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
295 G_RAID_DEBUG(1, "JMicron checksum check failed on %s", pp->name);
296 free(meta, M_MD_JMICRON);
304 jmicron_meta_write(struct g_consumer *cp, struct jmicron_raid_conf *meta)
306 struct g_provider *pp;
309 uint16_t checksum, *ptr;
313 /* Recalculate checksum for case if metadata were changed. */
315 for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 64; i++)
317 meta->checksum -= checksum;
319 /* Create and fill buffer. */
320 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
321 memcpy(buf, meta, sizeof(*meta));
323 error = g_write_data(cp,
324 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
326 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
330 free(buf, M_MD_JMICRON);
335 jmicron_meta_erase(struct g_consumer *cp)
337 struct g_provider *pp;
342 buf = malloc(pp->sectorsize, M_MD_JMICRON, M_WAITOK | M_ZERO);
343 error = g_write_data(cp,
344 pp->mediasize - pp->sectorsize, buf, pp->sectorsize);
346 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
349 free(buf, M_MD_JMICRON);
353 static struct g_raid_disk *
354 g_raid_md_jmicron_get_disk(struct g_raid_softc *sc, int id)
356 struct g_raid_disk *disk;
357 struct g_raid_md_jmicron_perdisk *pd;
359 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
360 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
361 if (pd->pd_disk_pos == id)
368 g_raid_md_jmicron_supported(int level, int qual, int disks, int force)
374 case G_RAID_VOLUME_RL_RAID0:
377 if (!force && (disks < 2 || disks > 6))
380 case G_RAID_VOLUME_RL_RAID1:
383 if (!force && (disks != 2))
386 case G_RAID_VOLUME_RL_RAID1E:
389 if (!force && (disks != 4))
392 case G_RAID_VOLUME_RL_SINGLE:
398 case G_RAID_VOLUME_RL_CONCAT:
402 case G_RAID_VOLUME_RL_RAID5:
405 if (qual != G_RAID_VOLUME_RLQ_R5LA)
413 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
419 g_raid_md_jmicron_start_disk(struct g_raid_disk *disk)
421 struct g_raid_softc *sc;
422 struct g_raid_subdisk *sd, *tmpsd;
423 struct g_raid_disk *olddisk, *tmpdisk;
424 struct g_raid_md_object *md;
425 struct g_raid_md_jmicron_object *mdi;
426 struct g_raid_md_jmicron_perdisk *pd, *oldpd;
427 struct jmicron_raid_conf *meta;
428 int disk_pos, resurrection = 0;
432 mdi = (struct g_raid_md_jmicron_object *)md;
433 meta = mdi->mdio_meta;
434 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
437 /* Find disk position in metadata by it's serial. */
438 if (pd->pd_meta != NULL)
439 disk_pos = jmicron_meta_find_disk(meta, pd->pd_disk_id);
443 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
444 /* If we are in the start process, that's all for now. */
445 if (!mdi->mdio_started)
448 * If we have already started - try to get use of the disk.
449 * Try to replace OFFLINE disks first, then FAILED.
451 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
452 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
453 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
455 /* Make sure this disk is big enough. */
456 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
457 if (sd->sd_offset + sd->sd_size + 512 >
460 "Disk too small (%ju < %ju)",
462 sd->sd_offset + sd->sd_size + 512);
468 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
471 } else if (olddisk == NULL)
474 if (olddisk == NULL) {
476 if (disk_pos == -3 || pd->pd_disk_pos == -3) {
477 g_raid_change_disk_state(disk,
478 G_RAID_DISK_S_SPARE);
481 g_raid_change_disk_state(disk,
482 G_RAID_DISK_S_STALE);
486 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
487 disk_pos = oldpd->pd_disk_pos;
491 if (olddisk == NULL) {
492 /* Find placeholder by position. */
493 olddisk = g_raid_md_jmicron_get_disk(sc, disk_pos);
495 panic("No disk at position %d!", disk_pos);
496 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
497 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
499 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
502 oldpd = (struct g_raid_md_jmicron_perdisk *)olddisk->d_md_data;
505 /* Replace failed disk or placeholder with new disk. */
506 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
507 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
508 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
511 oldpd->pd_disk_pos = -2;
512 pd->pd_disk_pos = disk_pos;
513 /* Update global metadata just in case. */
514 meta->disks[disk_pos] = pd->pd_disk_id;
516 /* If it was placeholder -- destroy it. */
517 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
518 g_raid_destroy_disk(olddisk);
520 /* Otherwise, make it STALE_FAILED. */
521 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
524 /* Welcome the new disk. */
525 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
526 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
529 * Different disks may have different sizes/offsets,
530 * especially in concat mode. Update.
534 (off_t)pd->pd_meta->offset * 16 * 512; //ZZZ
536 (((off_t)pd->pd_meta->disk_sectors_high << 16) +
537 pd->pd_meta->disk_sectors_low) * 512;
541 /* Stale disk, almost same as new. */
542 g_raid_change_subdisk_state(sd,
543 G_RAID_SUBDISK_S_NEW);
544 } else if ((meta->flags & JMICRON_F_BADSEC) != 0 &&
545 (pd->pd_meta->flags & JMICRON_F_BADSEC) == 0) {
546 /* Cold-inserted or rebuilding disk. */
547 g_raid_change_subdisk_state(sd,
548 G_RAID_SUBDISK_S_NEW);
549 } else if (pd->pd_meta->flags & JMICRON_F_UNSYNC) {
550 /* Dirty or resyncing disk.. */
551 g_raid_change_subdisk_state(sd,
552 G_RAID_SUBDISK_S_STALE);
554 /* Up to date disk. */
555 g_raid_change_subdisk_state(sd,
556 G_RAID_SUBDISK_S_ACTIVE);
558 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
559 G_RAID_EVENT_SUBDISK);
562 /* Update status of our need for spare. */
563 if (mdi->mdio_started) {
564 mdi->mdio_incomplete =
565 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
566 mdi->mdio_total_disks);
569 return (resurrection);
573 g_disk_md_jmicron_retaste(void *arg, int pending)
576 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
577 g_retaste(&g_raid_class);
578 free(arg, M_MD_JMICRON);
582 g_raid_md_jmicron_refill(struct g_raid_softc *sc)
584 struct g_raid_md_object *md;
585 struct g_raid_md_jmicron_object *mdi;
586 struct g_raid_disk *disk;
591 mdi = (struct g_raid_md_jmicron_object *)md;
594 /* Make sure we miss anything. */
595 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
596 if (na == mdi->mdio_total_disks)
599 G_RAID_DEBUG1(1, md->mdo_softc,
600 "Array is not complete (%d of %d), "
601 "trying to refill.", na, mdi->mdio_total_disks);
603 /* Try to get use some of STALE disks. */
604 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
605 if (disk->d_state == G_RAID_DISK_S_STALE) {
606 update += g_raid_md_jmicron_start_disk(disk);
607 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
614 /* Try to get use some of SPARE disks. */
615 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
616 if (disk->d_state == G_RAID_DISK_S_SPARE) {
617 update += g_raid_md_jmicron_start_disk(disk);
618 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
622 } while (disk != NULL);
624 /* Write new metadata if we changed something. */
626 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
628 /* Update status of our need for spare. */
629 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
630 mdi->mdio_total_disks);
632 /* Request retaste hoping to find spare. */
633 if (mdi->mdio_incomplete) {
634 task = malloc(sizeof(struct task),
635 M_MD_JMICRON, M_WAITOK | M_ZERO);
636 TASK_INIT(task, 0, g_disk_md_jmicron_retaste, task);
637 taskqueue_enqueue(taskqueue_swi, task);
642 g_raid_md_jmicron_start(struct g_raid_softc *sc)
644 struct g_raid_md_object *md;
645 struct g_raid_md_jmicron_object *mdi;
646 struct g_raid_md_jmicron_perdisk *pd;
647 struct jmicron_raid_conf *meta;
648 struct g_raid_volume *vol;
649 struct g_raid_subdisk *sd;
650 struct g_raid_disk *disk;
656 mdi = (struct g_raid_md_jmicron_object *)md;
657 meta = mdi->mdio_meta;
659 /* Create volumes and subdisks. */
660 jmicron_meta_get_name(meta, buf);
661 vol = g_raid_create_volume(sc, buf, -1);
662 size = ((off_t)meta->disk_sectors_high << 16) + meta->disk_sectors_low;
664 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
665 if (meta->type == JMICRON_T_RAID0) {
666 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
667 vol->v_mediasize = size * mdi->mdio_total_disks;
668 } else if (meta->type == JMICRON_T_RAID1) {
669 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
670 vol->v_mediasize = size;
671 } else if (meta->type == JMICRON_T_RAID01) {
672 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
673 vol->v_mediasize = size * mdi->mdio_total_disks / 2;
674 } else if (meta->type == JMICRON_T_CONCAT) {
675 if (mdi->mdio_total_disks == 1)
676 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
678 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
679 vol->v_mediasize = 0;
680 } else if (meta->type == JMICRON_T_RAID5) {
681 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
682 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
683 vol->v_mediasize = size * (mdi->mdio_total_disks - 1);
685 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
686 vol->v_mediasize = 0;
688 vol->v_strip_size = 1024 << meta->stripe_shift; //ZZZ
689 vol->v_disks_count = mdi->mdio_total_disks;
690 vol->v_sectorsize = 512; //ZZZ
691 for (j = 0; j < vol->v_disks_count; j++) {
692 sd = &vol->v_subdisks[j];
693 sd->sd_offset = (off_t)meta->offset * 16 * 512; //ZZZ
696 g_raid_start_volume(vol);
698 /* Create disk placeholders to store data for later writing. */
699 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
700 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
701 pd->pd_disk_pos = disk_pos;
702 pd->pd_disk_id = meta->disks[disk_pos];
703 disk = g_raid_create_disk(sc);
704 disk->d_md_data = (void *)pd;
705 disk->d_state = G_RAID_DISK_S_OFFLINE;
706 sd = &vol->v_subdisks[disk_pos];
708 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
711 /* Make all disks found till the moment take their places. */
713 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
714 if (disk->d_state == G_RAID_DISK_S_NONE) {
715 g_raid_md_jmicron_start_disk(disk);
719 } while (disk != NULL);
721 mdi->mdio_started = 1;
722 G_RAID_DEBUG1(0, sc, "Array started.");
723 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
725 /* Pickup any STALE/SPARE disks to refill array if needed. */
726 g_raid_md_jmicron_refill(sc);
728 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
730 callout_stop(&mdi->mdio_start_co);
731 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
732 root_mount_rel(mdi->mdio_rootmount);
733 mdi->mdio_rootmount = NULL;
737 g_raid_md_jmicron_new_disk(struct g_raid_disk *disk)
739 struct g_raid_softc *sc;
740 struct g_raid_md_object *md;
741 struct g_raid_md_jmicron_object *mdi;
742 struct jmicron_raid_conf *pdmeta;
743 struct g_raid_md_jmicron_perdisk *pd;
747 mdi = (struct g_raid_md_jmicron_object *)md;
748 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
749 pdmeta = pd->pd_meta;
751 if (mdi->mdio_started) {
752 if (g_raid_md_jmicron_start_disk(disk))
753 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
756 * If we haven't started yet - update common metadata
757 * to get subdisks details, avoiding data from spare disks.
759 if (mdi->mdio_meta == NULL ||
760 jmicron_meta_find_disk(mdi->mdio_meta,
761 mdi->mdio_meta->disk_id) == -3) {
762 if (mdi->mdio_meta != NULL)
763 free(mdi->mdio_meta, M_MD_JMICRON);
764 mdi->mdio_meta = jmicron_meta_copy(pdmeta);
765 mdi->mdio_total_disks = jmicron_meta_total_disks(pdmeta);
767 mdi->mdio_meta->flags |= pdmeta->flags & JMICRON_F_BADSEC;
769 mdi->mdio_disks_present++;
770 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d+%d up)",
771 mdi->mdio_disks_present,
772 mdi->mdio_total_disks,
773 jmicron_meta_total_spare(mdi->mdio_meta));
775 /* If we collected all needed disks - start array. */
776 if (mdi->mdio_disks_present == mdi->mdio_total_disks +
777 jmicron_meta_total_spare(mdi->mdio_meta))
778 g_raid_md_jmicron_start(sc);
783 g_raid_jmicron_go(void *arg)
785 struct g_raid_softc *sc;
786 struct g_raid_md_object *md;
787 struct g_raid_md_jmicron_object *mdi;
791 mdi = (struct g_raid_md_jmicron_object *)md;
792 if (!mdi->mdio_started) {
793 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
794 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
799 g_raid_md_create_jmicron(struct g_raid_md_object *md, struct g_class *mp,
802 struct g_raid_softc *sc;
803 struct g_raid_md_jmicron_object *mdi;
806 mdi = (struct g_raid_md_jmicron_object *)md;
807 mdi->mdio_config_id = arc4random();
808 snprintf(name, sizeof(name), "JMicron-%08x", mdi->mdio_config_id);
809 sc = g_raid_create_node(mp, name, md);
811 return (G_RAID_MD_TASTE_FAIL);
814 return (G_RAID_MD_TASTE_NEW);
818 g_raid_md_taste_jmicron(struct g_raid_md_object *md, struct g_class *mp,
819 struct g_consumer *cp, struct g_geom **gp)
821 struct g_consumer *rcp;
822 struct g_provider *pp;
823 struct g_raid_md_jmicron_object *mdi, *mdi1;
824 struct g_raid_softc *sc;
825 struct g_raid_disk *disk;
826 struct jmicron_raid_conf *meta;
827 struct g_raid_md_jmicron_perdisk *pd;
829 int error, disk_pos, result, spare, len;
833 G_RAID_DEBUG(1, "Tasting JMicron on %s", cp->provider->name);
834 mdi = (struct g_raid_md_jmicron_object *)md;
837 /* Read metadata from device. */
840 if (g_access(cp, 1, 0, 0) != 0)
841 return (G_RAID_MD_TASTE_FAIL);
844 if (pp->geom->rank == 1)
845 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
846 meta = jmicron_meta_read(cp);
848 g_access(cp, -1, 0, 0);
850 if (g_raid_aggressive_spare) {
851 if (vendor == 0x197b) {
853 "No JMicron metadata, forcing spare.");
858 "JMicron vendor mismatch 0x%04x != 0x197b",
862 return (G_RAID_MD_TASTE_FAIL);
865 /* Check this disk position in obtained metadata. */
866 disk_pos = jmicron_meta_find_disk(meta, meta->disk_id);
867 if (disk_pos == -1) {
868 G_RAID_DEBUG(1, "JMicron disk_id %08x not found",
873 /* Metadata valid. Print it. */
874 g_raid_md_jmicron_print(meta);
875 G_RAID_DEBUG(1, "JMicron disk position %d", disk_pos);
876 spare = (disk_pos == -2) ? 1 : 0;
879 /* Search for matching node. */
882 LIST_FOREACH(geom, &mp->geom, geom) {
886 if (sc->sc_stopping != 0)
888 if (sc->sc_md->mdo_class != md->mdo_class)
890 mdi1 = (struct g_raid_md_jmicron_object *)sc->sc_md;
892 if (mdi1->mdio_incomplete)
895 if (mdi1->mdio_config_id ==
896 jmicron_meta_config_id(meta))
901 /* Found matching node. */
903 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
904 result = G_RAID_MD_TASTE_EXISTING;
906 } else if (spare) { /* Not found needy node -- left for later. */
907 G_RAID_DEBUG(1, "Spare is not needed at this time");
910 } else { /* Not found matching node -- create one. */
911 result = G_RAID_MD_TASTE_NEW;
912 mdi->mdio_config_id = jmicron_meta_config_id(meta);
913 snprintf(name, sizeof(name), "JMicron-%08x",
914 mdi->mdio_config_id);
915 sc = g_raid_create_node(mp, name, md);
918 callout_init(&mdi->mdio_start_co, 1);
919 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
920 g_raid_jmicron_go, sc);
921 mdi->mdio_rootmount = root_mount_hold("GRAID-JMicron");
922 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
925 rcp = g_new_consumer(geom);
927 if (g_access(rcp, 1, 1, 1) != 0)
931 sx_xlock(&sc->sc_lock);
933 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
936 pd->pd_disk_pos = -3;
937 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
939 pd->pd_disk_pos = -1;
940 pd->pd_disk_id = meta->disk_id;
942 pd->pd_disk_size = pp->mediasize;
943 disk = g_raid_create_disk(sc);
944 disk->d_md_data = (void *)pd;
945 disk->d_consumer = rcp;
948 /* Read kernel dumping information. */
949 disk->d_kd.offset = 0;
950 disk->d_kd.length = OFF_MAX;
951 len = sizeof(disk->d_kd);
952 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
953 if (disk->d_kd.di.dumper == NULL)
954 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
955 rcp->provider->name, error);
957 g_raid_md_jmicron_new_disk(disk);
959 sx_xunlock(&sc->sc_lock);
964 free(meta, M_MD_JMICRON);
965 return (G_RAID_MD_TASTE_FAIL);
969 g_raid_md_event_jmicron(struct g_raid_md_object *md,
970 struct g_raid_disk *disk, u_int event)
972 struct g_raid_softc *sc;
973 struct g_raid_subdisk *sd;
974 struct g_raid_md_jmicron_object *mdi;
975 struct g_raid_md_jmicron_perdisk *pd;
978 mdi = (struct g_raid_md_jmicron_object *)md;
981 case G_RAID_NODE_E_START:
982 if (!mdi->mdio_started)
983 g_raid_md_jmicron_start(sc);
988 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
990 case G_RAID_DISK_E_DISCONNECTED:
991 /* If disk was assigned, just update statuses. */
992 if (pd->pd_disk_pos >= 0) {
993 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
994 if (disk->d_consumer) {
995 g_raid_kill_consumer(sc, disk->d_consumer);
996 disk->d_consumer = NULL;
998 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
999 g_raid_change_subdisk_state(sd,
1000 G_RAID_SUBDISK_S_NONE);
1001 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1002 G_RAID_EVENT_SUBDISK);
1005 /* Otherwise -- delete. */
1006 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1007 g_raid_destroy_disk(disk);
1010 /* Write updated metadata to all disks. */
1011 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1013 /* Check if anything left except placeholders. */
1014 if (g_raid_ndisks(sc, -1) ==
1015 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1016 g_raid_destroy_node(sc, 0);
1018 g_raid_md_jmicron_refill(sc);
1025 g_raid_md_ctl_jmicron(struct g_raid_md_object *md,
1026 struct gctl_req *req)
1028 struct g_raid_softc *sc;
1029 struct g_raid_volume *vol;
1030 struct g_raid_subdisk *sd;
1031 struct g_raid_disk *disk;
1032 struct g_raid_md_jmicron_object *mdi;
1033 struct g_raid_md_jmicron_perdisk *pd;
1034 struct g_consumer *cp;
1035 struct g_provider *pp;
1037 const char *verb, *volname, *levelname, *diskname;
1039 off_t size, sectorsize, strip;
1040 intmax_t *sizearg, *striparg;
1041 int numdisks, i, len, level, qual, update;
1045 mdi = (struct g_raid_md_jmicron_object *)md;
1046 verb = gctl_get_param(req, "verb", NULL);
1047 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1049 if (strcmp(verb, "label") == 0) {
1052 gctl_error(req, "Invalid number of arguments.");
1055 volname = gctl_get_asciiparam(req, "arg1");
1056 if (volname == NULL) {
1057 gctl_error(req, "No volume name.");
1060 levelname = gctl_get_asciiparam(req, "arg2");
1061 if (levelname == NULL) {
1062 gctl_error(req, "No RAID level.");
1065 if (strcasecmp(levelname, "RAID5") == 0)
1066 levelname = "RAID5-LA";
1067 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1068 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1071 numdisks = *nargs - 3;
1072 force = gctl_get_paraml(req, "force", sizeof(*force));
1073 if (!g_raid_md_jmicron_supported(level, qual, numdisks,
1074 force ? *force : 0)) {
1075 gctl_error(req, "Unsupported RAID level "
1076 "(0x%02x/0x%02x), or number of disks (%d).",
1077 level, qual, numdisks);
1081 /* Search for disks, connect them and probe. */
1082 size = 0x7fffffffffffffffllu;
1084 for (i = 0; i < numdisks; i++) {
1085 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1086 diskname = gctl_get_asciiparam(req, arg);
1087 if (diskname == NULL) {
1088 gctl_error(req, "No disk name (%s).", arg);
1092 if (strcmp(diskname, "NONE") == 0) {
1097 cp = g_raid_open_consumer(sc, diskname);
1099 gctl_error(req, "Can't open '%s'.",
1101 g_topology_unlock();
1107 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1108 pd->pd_disk_pos = i;
1109 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1110 disk = g_raid_create_disk(sc);
1111 disk->d_md_data = (void *)pd;
1112 disk->d_consumer = cp;
1116 g_topology_unlock();
1118 /* Read kernel dumping information. */
1119 disk->d_kd.offset = 0;
1120 disk->d_kd.length = OFF_MAX;
1121 len = sizeof(disk->d_kd);
1122 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1123 if (disk->d_kd.di.dumper == NULL)
1124 G_RAID_DEBUG1(2, sc,
1125 "Dumping not supported by %s.",
1126 cp->provider->name);
1128 pd->pd_disk_size = pp->mediasize;
1129 if (size > pp->mediasize)
1130 size = pp->mediasize;
1131 if (sectorsize < pp->sectorsize)
1132 sectorsize = pp->sectorsize;
1137 if (sectorsize <= 0) {
1138 gctl_error(req, "Can't get sector size.");
1142 /* Reserve space for metadata. */
1145 /* Handle size argument. */
1146 len = sizeof(*sizearg);
1147 sizearg = gctl_get_param(req, "size", &len);
1148 if (sizearg != NULL && len == sizeof(*sizearg) &&
1150 if (*sizearg > size) {
1151 gctl_error(req, "Size too big %lld > %lld.",
1152 (long long)*sizearg, (long long)size);
1158 /* Handle strip argument. */
1160 len = sizeof(*striparg);
1161 striparg = gctl_get_param(req, "strip", &len);
1162 if (striparg != NULL && len == sizeof(*striparg) &&
1164 if (*striparg < sectorsize) {
1165 gctl_error(req, "Strip size too small.");
1168 if (*striparg % sectorsize != 0) {
1169 gctl_error(req, "Incorrect strip size.");
1172 if (strip > 65535 * sectorsize) {
1173 gctl_error(req, "Strip size too big.");
1179 /* Round size down to strip or sector. */
1180 if (level == G_RAID_VOLUME_RL_RAID1)
1181 size -= (size % sectorsize);
1182 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1183 (numdisks & 1) != 0)
1184 size -= (size % (2 * strip));
1186 size -= (size % strip);
1188 gctl_error(req, "Size too small.");
1191 if (size > 0xffffffffffffllu * sectorsize) {
1192 gctl_error(req, "Size too big.");
1196 /* We have all we need, create things: volume, ... */
1197 mdi->mdio_total_disks = numdisks;
1198 mdi->mdio_started = 1;
1199 vol = g_raid_create_volume(sc, volname, -1);
1200 vol->v_md_data = (void *)(intptr_t)0;
1201 vol->v_raid_level = level;
1202 vol->v_raid_level_qualifier = qual;
1203 vol->v_strip_size = strip;
1204 vol->v_disks_count = numdisks;
1205 if (level == G_RAID_VOLUME_RL_RAID0 ||
1206 level == G_RAID_VOLUME_RL_CONCAT ||
1207 level == G_RAID_VOLUME_RL_SINGLE)
1208 vol->v_mediasize = size * numdisks;
1209 else if (level == G_RAID_VOLUME_RL_RAID1)
1210 vol->v_mediasize = size;
1211 else if (level == G_RAID_VOLUME_RL_RAID5)
1212 vol->v_mediasize = size * (numdisks - 1);
1214 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1217 vol->v_sectorsize = sectorsize;
1218 g_raid_start_volume(vol);
1220 /* , and subdisks. */
1221 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1222 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1223 sd = &vol->v_subdisks[pd->pd_disk_pos];
1227 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1228 if (sd->sd_disk->d_consumer != NULL) {
1229 g_raid_change_disk_state(disk,
1230 G_RAID_DISK_S_ACTIVE);
1231 g_raid_change_subdisk_state(sd,
1232 G_RAID_SUBDISK_S_ACTIVE);
1233 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1234 G_RAID_EVENT_SUBDISK);
1236 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1240 /* Write metadata based on created entities. */
1241 G_RAID_DEBUG1(0, sc, "Array started.");
1242 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1244 /* Pickup any STALE/SPARE disks to refill array if needed. */
1245 g_raid_md_jmicron_refill(sc);
1247 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1248 G_RAID_EVENT_VOLUME);
1251 if (strcmp(verb, "delete") == 0) {
1253 /* Check if some volume is still open. */
1254 force = gctl_get_paraml(req, "force", sizeof(*force));
1255 if (force != NULL && *force == 0 &&
1256 g_raid_nopens(sc) != 0) {
1257 gctl_error(req, "Some volume is still open.");
1261 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1262 if (disk->d_consumer)
1263 jmicron_meta_erase(disk->d_consumer);
1265 g_raid_destroy_node(sc, 0);
1268 if (strcmp(verb, "remove") == 0 ||
1269 strcmp(verb, "fail") == 0) {
1271 gctl_error(req, "Invalid number of arguments.");
1274 for (i = 1; i < *nargs; i++) {
1275 snprintf(arg, sizeof(arg), "arg%d", i);
1276 diskname = gctl_get_asciiparam(req, arg);
1277 if (diskname == NULL) {
1278 gctl_error(req, "No disk name (%s).", arg);
1282 if (strncmp(diskname, "/dev/", 5) == 0)
1285 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1286 if (disk->d_consumer != NULL &&
1287 disk->d_consumer->provider != NULL &&
1288 strcmp(disk->d_consumer->provider->name,
1293 gctl_error(req, "Disk '%s' not found.",
1299 if (strcmp(verb, "fail") == 0) {
1300 g_raid_md_fail_disk_jmicron(md, NULL, disk);
1304 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1306 /* Erase metadata on deleting disk. */
1307 jmicron_meta_erase(disk->d_consumer);
1309 /* If disk was assigned, just update statuses. */
1310 if (pd->pd_disk_pos >= 0) {
1311 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1312 g_raid_kill_consumer(sc, disk->d_consumer);
1313 disk->d_consumer = NULL;
1314 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1315 g_raid_change_subdisk_state(sd,
1316 G_RAID_SUBDISK_S_NONE);
1317 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1318 G_RAID_EVENT_SUBDISK);
1321 /* Otherwise -- delete. */
1322 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1323 g_raid_destroy_disk(disk);
1327 /* Write updated metadata to remaining disks. */
1328 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1330 /* Check if anything left except placeholders. */
1331 if (g_raid_ndisks(sc, -1) ==
1332 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1333 g_raid_destroy_node(sc, 0);
1335 g_raid_md_jmicron_refill(sc);
1338 if (strcmp(verb, "insert") == 0) {
1340 gctl_error(req, "Invalid number of arguments.");
1344 for (i = 1; i < *nargs; i++) {
1345 /* Get disk name. */
1346 snprintf(arg, sizeof(arg), "arg%d", i);
1347 diskname = gctl_get_asciiparam(req, arg);
1348 if (diskname == NULL) {
1349 gctl_error(req, "No disk name (%s).", arg);
1354 /* Try to find provider with specified name. */
1356 cp = g_raid_open_consumer(sc, diskname);
1358 gctl_error(req, "Can't open disk '%s'.",
1360 g_topology_unlock();
1366 pd = malloc(sizeof(*pd), M_MD_JMICRON, M_WAITOK | M_ZERO);
1367 pd->pd_disk_pos = -3;
1368 pd->pd_disk_id = arc4random() & JMICRON_DISK_MASK;
1369 pd->pd_disk_size = pp->mediasize;
1371 disk = g_raid_create_disk(sc);
1372 disk->d_consumer = cp;
1373 disk->d_md_data = (void *)pd;
1375 g_topology_unlock();
1377 /* Read kernel dumping information. */
1378 disk->d_kd.offset = 0;
1379 disk->d_kd.length = OFF_MAX;
1380 len = sizeof(disk->d_kd);
1381 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1382 if (disk->d_kd.di.dumper == NULL)
1383 G_RAID_DEBUG1(2, sc,
1384 "Dumping not supported by %s.",
1385 cp->provider->name);
1387 /* Welcome the "new" disk. */
1388 update += g_raid_md_jmicron_start_disk(disk);
1389 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1390 disk->d_state != G_RAID_DISK_S_SPARE) {
1391 gctl_error(req, "Disk '%s' doesn't fit.",
1393 g_raid_destroy_disk(disk);
1399 /* Write new metadata if we changed something. */
1401 g_raid_md_write_jmicron(md, NULL, NULL, NULL);
1404 gctl_error(req, "Command '%s' is not supported.", verb);
1409 g_raid_md_write_jmicron(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1410 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1412 struct g_raid_softc *sc;
1413 struct g_raid_volume *vol;
1414 struct g_raid_subdisk *sd;
1415 struct g_raid_disk *disk;
1416 struct g_raid_md_jmicron_object *mdi;
1417 struct g_raid_md_jmicron_perdisk *pd;
1418 struct jmicron_raid_conf *meta;
1422 mdi = (struct g_raid_md_jmicron_object *)md;
1424 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1427 /* There is only one volume. */
1428 vol = TAILQ_FIRST(&sc->sc_volumes);
1430 /* Fill global fields. */
1431 meta = malloc(sizeof(*meta), M_MD_JMICRON, M_WAITOK | M_ZERO);
1432 strncpy(meta->signature, JMICRON_MAGIC, 2);
1433 meta->version = JMICRON_VERSION;
1434 jmicron_meta_put_name(meta, vol->v_name);
1435 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1436 meta->type = JMICRON_T_RAID0;
1437 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1438 meta->type = JMICRON_T_RAID1;
1439 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1440 meta->type = JMICRON_T_RAID01;
1441 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1442 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1443 meta->type = JMICRON_T_CONCAT;
1445 meta->type = JMICRON_T_RAID5;
1446 meta->stripe_shift = fls(vol->v_strip_size / 2048);
1447 meta->flags = JMICRON_F_READY | JMICRON_F_BOOTABLE;
1448 for (i = 0; i < vol->v_disks_count; i++) {
1449 sd = &vol->v_subdisks[i];
1450 if (sd->sd_disk == NULL || sd->sd_disk->d_md_data == NULL)
1451 meta->disks[i] = 0xffffffff;
1453 pd = (struct g_raid_md_jmicron_perdisk *)
1454 sd->sd_disk->d_md_data;
1455 meta->disks[i] = pd->pd_disk_id;
1457 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1458 meta->flags |= JMICRON_F_BADSEC;
1460 meta->flags |= JMICRON_F_UNSYNC;
1463 /* Put spares to their slots. */
1465 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1466 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1467 if (disk->d_state != G_RAID_DISK_S_SPARE)
1469 meta->spare[spares] = pd->pd_disk_id;
1474 /* We are done. Print meta data and store them to disks. */
1475 if (mdi->mdio_meta != NULL)
1476 free(mdi->mdio_meta, M_MD_JMICRON);
1477 mdi->mdio_meta = meta;
1478 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1479 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1480 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1481 disk->d_state != G_RAID_DISK_S_SPARE)
1483 if (pd->pd_meta != NULL) {
1484 free(pd->pd_meta, M_MD_JMICRON);
1487 pd->pd_meta = jmicron_meta_copy(meta);
1488 pd->pd_meta->disk_id = pd->pd_disk_id;
1489 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1490 pd->pd_meta->offset =
1491 (sd->sd_offset / 512) / 16;
1492 pd->pd_meta->disk_sectors_high =
1493 (sd->sd_size / 512) >> 16;
1494 pd->pd_meta->disk_sectors_low =
1495 (sd->sd_size / 512) & 0xffff;
1496 if (sd->sd_state < G_RAID_SUBDISK_S_STALE)
1497 pd->pd_meta->flags &= ~JMICRON_F_BADSEC;
1498 else if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE)
1499 pd->pd_meta->flags |= JMICRON_F_UNSYNC;
1501 G_RAID_DEBUG(1, "Writing JMicron metadata to %s",
1502 g_raid_get_diskname(disk));
1503 g_raid_md_jmicron_print(pd->pd_meta);
1504 jmicron_meta_write(disk->d_consumer, pd->pd_meta);
1510 g_raid_md_fail_disk_jmicron(struct g_raid_md_object *md,
1511 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1513 struct g_raid_softc *sc;
1514 struct g_raid_md_jmicron_perdisk *pd;
1515 struct g_raid_subdisk *sd;
1518 pd = (struct g_raid_md_jmicron_perdisk *)tdisk->d_md_data;
1520 /* We can't fail disk that is not a part of array now. */
1521 if (pd->pd_disk_pos < 0)
1524 if (tdisk->d_consumer)
1525 jmicron_meta_erase(tdisk->d_consumer);
1527 /* Change states. */
1528 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1529 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1530 g_raid_change_subdisk_state(sd,
1531 G_RAID_SUBDISK_S_FAILED);
1532 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1533 G_RAID_EVENT_SUBDISK);
1536 /* Write updated metadata to remaining disks. */
1537 g_raid_md_write_jmicron(md, NULL, NULL, tdisk);
1539 /* Check if anything left except placeholders. */
1540 if (g_raid_ndisks(sc, -1) ==
1541 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1542 g_raid_destroy_node(sc, 0);
1544 g_raid_md_jmicron_refill(sc);
1549 g_raid_md_free_disk_jmicron(struct g_raid_md_object *md,
1550 struct g_raid_disk *disk)
1552 struct g_raid_md_jmicron_perdisk *pd;
1554 pd = (struct g_raid_md_jmicron_perdisk *)disk->d_md_data;
1555 if (pd->pd_meta != NULL) {
1556 free(pd->pd_meta, M_MD_JMICRON);
1559 free(pd, M_MD_JMICRON);
1560 disk->d_md_data = NULL;
1565 g_raid_md_free_jmicron(struct g_raid_md_object *md)
1567 struct g_raid_md_jmicron_object *mdi;
1569 mdi = (struct g_raid_md_jmicron_object *)md;
1570 if (!mdi->mdio_started) {
1571 mdi->mdio_started = 0;
1572 callout_stop(&mdi->mdio_start_co);
1573 G_RAID_DEBUG1(1, md->mdo_softc,
1574 "root_mount_rel %p", mdi->mdio_rootmount);
1575 root_mount_rel(mdi->mdio_rootmount);
1576 mdi->mdio_rootmount = NULL;
1578 if (mdi->mdio_meta != NULL) {
1579 free(mdi->mdio_meta, M_MD_JMICRON);
1580 mdi->mdio_meta = NULL;
1585 G_RAID_MD_DECLARE(jmicron, "JMicron");