2 * Copyright (c) 2011 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_NVIDIA, "md_nvidia_data", "GEOM_RAID NVIDIA metadata");
48 struct nvidia_raid_conf {
50 #define NVIDIA_MAGIC "NVIDIA "
57 uint32_t total_sectors;
64 #define NVIDIA_MAGIC0 0x00640044
66 uint64_t volume_id[2];
68 #define NVIDIA_S_IDLE 0
69 #define NVIDIA_S_INIT 2
70 #define NVIDIA_S_REBUILD 3
71 #define NVIDIA_S_UPGRADE 4
72 #define NVIDIA_S_SYNC 5
75 uint8_t orig_array_width;
77 #define NVIDIA_T_RAID0 0x0080
78 #define NVIDIA_T_RAID1 0x0081
79 #define NVIDIA_T_RAID3 0x0083
80 #define NVIDIA_T_RAID5 0x0085 /* RLQ = 00/02? */
81 #define NVIDIA_T_RAID5_SYM 0x0095 /* RLQ = 03 */
82 #define NVIDIA_T_RAID10 0x008a
83 #define NVIDIA_T_RAID01 0x8180
84 #define NVIDIA_T_CONCAT 0x00ff
87 uint32_t strip_sectors;
91 uint32_t stripe_sectors;
92 uint32_t stripe_bytes;
95 uint32_t orig_total_sectors;
97 #define NVIDIA_S_BOOTABLE 0x00000001
98 #define NVIDIA_S_DEGRADED 0x00000002
103 struct g_raid_md_nvidia_perdisk {
104 struct nvidia_raid_conf *pd_meta;
109 struct g_raid_md_nvidia_object {
110 struct g_raid_md_object mdio_base;
111 uint64_t mdio_volume_id[2];
112 struct nvidia_raid_conf *mdio_meta;
113 struct callout mdio_start_co; /* STARTING state timer. */
114 int mdio_total_disks;
115 int mdio_disks_present;
118 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
121 static g_raid_md_create_t g_raid_md_create_nvidia;
122 static g_raid_md_taste_t g_raid_md_taste_nvidia;
123 static g_raid_md_event_t g_raid_md_event_nvidia;
124 static g_raid_md_ctl_t g_raid_md_ctl_nvidia;
125 static g_raid_md_write_t g_raid_md_write_nvidia;
126 static g_raid_md_fail_disk_t g_raid_md_fail_disk_nvidia;
127 static g_raid_md_free_disk_t g_raid_md_free_disk_nvidia;
128 static g_raid_md_free_t g_raid_md_free_nvidia;
130 static kobj_method_t g_raid_md_nvidia_methods[] = {
131 KOBJMETHOD(g_raid_md_create, g_raid_md_create_nvidia),
132 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_nvidia),
133 KOBJMETHOD(g_raid_md_event, g_raid_md_event_nvidia),
134 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_nvidia),
135 KOBJMETHOD(g_raid_md_write, g_raid_md_write_nvidia),
136 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_nvidia),
137 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_nvidia),
138 KOBJMETHOD(g_raid_md_free, g_raid_md_free_nvidia),
142 static struct g_raid_md_class g_raid_md_nvidia_class = {
144 g_raid_md_nvidia_methods,
145 sizeof(struct g_raid_md_nvidia_object),
149 static int NVIDIANodeID = 1;
152 g_raid_md_nvidia_print(struct nvidia_raid_conf *meta)
155 if (g_raid_debug < 1)
158 printf("********* ATA NVIDIA RAID Metadata *********\n");
159 printf("nvidia_id <%.8s>\n", meta->nvidia_id);
160 printf("config_size %u\n", meta->config_size);
161 printf("checksum 0x%08x\n", meta->checksum);
162 printf("version 0x%04x\n", meta->version);
163 printf("disk_number %d\n", meta->disk_number);
164 printf("dummy_0 0x%02x\n", meta->dummy_0);
165 printf("total_sectors %u\n", meta->total_sectors);
166 printf("sector_size %u\n", meta->sector_size);
167 printf("name <%.16s>\n", meta->name);
168 printf("revision 0x%02x%02x%02x%02x\n",
169 meta->revision[0], meta->revision[1],
170 meta->revision[2], meta->revision[3]);
171 printf("disk_status 0x%08x\n", meta->disk_status);
172 printf("magic_0 0x%08x\n", meta->magic_0);
173 printf("volume_id 0x%016jx%016jx\n",
174 meta->volume_id[1], meta->volume_id[0]);
175 printf("state 0x%02x\n", meta->state);
176 printf("array_width %u\n", meta->array_width);
177 printf("total_disks %u\n", meta->total_disks);
178 printf("orig_array_width %u\n", meta->orig_array_width);
179 printf("type 0x%04x\n", meta->type);
180 printf("dummy_3 0x%04x\n", meta->dummy_3);
181 printf("strip_sectors %u\n", meta->strip_sectors);
182 printf("strip_bytes %u\n", meta->strip_bytes);
183 printf("strip_shift %u\n", meta->strip_shift);
184 printf("strip_mask 0x%08x\n", meta->strip_mask);
185 printf("stripe_sectors %u\n", meta->stripe_sectors);
186 printf("stripe_bytes %u\n", meta->stripe_bytes);
187 printf("rebuild_lba %u\n", meta->rebuild_lba);
188 printf("orig_type 0x%04x\n", meta->orig_type);
189 printf("orig_total_sectors %u\n", meta->orig_total_sectors);
190 printf("status 0x%08x\n", meta->status);
191 printf("=================================================\n");
194 static struct nvidia_raid_conf *
195 nvidia_meta_copy(struct nvidia_raid_conf *meta)
197 struct nvidia_raid_conf *nmeta;
199 nmeta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
200 memcpy(nmeta, meta, sizeof(*meta));
205 nvidia_meta_translate_disk(struct nvidia_raid_conf *meta, int md_disk_pos)
209 if (md_disk_pos >= 0 && meta->type == NVIDIA_T_RAID01) {
210 disk_pos = (md_disk_pos / meta->array_width) +
211 (md_disk_pos % meta->array_width) * meta->array_width;
213 disk_pos = md_disk_pos;
218 nvidia_meta_get_name(struct nvidia_raid_conf *meta, char *buf)
222 strncpy(buf, meta->name, 16);
224 for (i = 15; i >= 0; i--) {
232 nvidia_meta_put_name(struct nvidia_raid_conf *meta, char *buf)
235 memset(meta->name, 0x20, 16);
236 memcpy(meta->name, buf, MIN(strlen(buf), 16));
239 static struct nvidia_raid_conf *
240 nvidia_meta_read(struct g_consumer *cp)
242 struct g_provider *pp;
243 struct nvidia_raid_conf *meta;
246 uint32_t checksum, *ptr;
250 /* Read the anchor sector. */
251 buf = g_read_data(cp,
252 pp->mediasize - 2 * pp->sectorsize, pp->sectorsize, &error);
254 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
258 meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK);
259 memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize));
262 /* Check if this is an NVIDIA RAID struct */
263 if (strncmp(meta->nvidia_id, NVIDIA_MAGIC, strlen(NVIDIA_MAGIC))) {
264 G_RAID_DEBUG(1, "NVIDIA signature check failed on %s", pp->name);
265 free(meta, M_MD_NVIDIA);
268 if (meta->config_size > 128 ||
269 meta->config_size < 30) {
270 G_RAID_DEBUG(1, "NVIDIA metadata size looks wrong: %d",
272 free(meta, M_MD_NVIDIA);
276 /* Check metadata checksum. */
277 for (checksum = 0, ptr = (uint32_t *)meta,
278 i = 0; i < meta->config_size; i++)
281 G_RAID_DEBUG(1, "NVIDIA checksum check failed on %s", pp->name);
282 free(meta, M_MD_NVIDIA);
286 /* Check volume state. */
287 if (meta->state != NVIDIA_S_IDLE && meta->state != NVIDIA_S_INIT &&
288 meta->state != NVIDIA_S_REBUILD && meta->state != NVIDIA_S_SYNC) {
289 G_RAID_DEBUG(1, "NVIDIA unknown state on %s (0x%02x)",
290 pp->name, meta->state);
291 free(meta, M_MD_NVIDIA);
295 /* Check raid type. */
296 if (meta->type != NVIDIA_T_RAID0 && meta->type != NVIDIA_T_RAID1 &&
297 meta->type != NVIDIA_T_RAID3 && meta->type != NVIDIA_T_RAID5 &&
298 meta->type != NVIDIA_T_RAID5_SYM &&
299 meta->type != NVIDIA_T_RAID01 && meta->type != NVIDIA_T_CONCAT) {
300 G_RAID_DEBUG(1, "NVIDIA unknown RAID level on %s (0x%02x)",
301 pp->name, meta->type);
302 free(meta, M_MD_NVIDIA);
310 nvidia_meta_write(struct g_consumer *cp, struct nvidia_raid_conf *meta)
312 struct g_provider *pp;
315 uint32_t checksum, *ptr;
319 /* Recalculate checksum for case if metadata were changed. */
321 for (checksum = 0, ptr = (uint32_t *)meta,
322 i = 0; i < meta->config_size; i++)
324 meta->checksum -= checksum;
326 /* Create and fill buffer. */
327 buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
328 memcpy(buf, meta, sizeof(*meta));
330 /* Write metadata. */
331 error = g_write_data(cp,
332 pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
334 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
338 free(buf, M_MD_NVIDIA);
343 nvidia_meta_erase(struct g_consumer *cp)
345 struct g_provider *pp;
350 buf = malloc(pp->sectorsize, M_MD_NVIDIA, M_WAITOK | M_ZERO);
351 error = g_write_data(cp,
352 pp->mediasize - 2 * pp->sectorsize, buf, pp->sectorsize);
354 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
357 free(buf, M_MD_NVIDIA);
361 static struct g_raid_disk *
362 g_raid_md_nvidia_get_disk(struct g_raid_softc *sc, int id)
364 struct g_raid_disk *disk;
365 struct g_raid_md_nvidia_perdisk *pd;
367 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
368 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
369 if (pd->pd_disk_pos == id)
376 g_raid_md_nvidia_supported(int level, int qual, int disks, int force)
380 case G_RAID_VOLUME_RL_RAID0:
383 if (!force && (disks < 2 || disks > 6))
386 case G_RAID_VOLUME_RL_RAID1:
389 if (!force && (disks != 2))
392 case G_RAID_VOLUME_RL_RAID1E:
397 if (!force && (disks < 4))
400 case G_RAID_VOLUME_RL_SINGLE:
404 case G_RAID_VOLUME_RL_CONCAT:
408 case G_RAID_VOLUME_RL_RAID5:
411 if (qual != G_RAID_VOLUME_RLQ_R5LA &&
412 qual != G_RAID_VOLUME_RLQ_R5LS)
418 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
424 g_raid_md_nvidia_start_disk(struct g_raid_disk *disk)
426 struct g_raid_softc *sc;
427 struct g_raid_subdisk *sd, *tmpsd;
428 struct g_raid_disk *olddisk, *tmpdisk;
429 struct g_raid_md_object *md;
430 struct g_raid_md_nvidia_object *mdi;
431 struct g_raid_md_nvidia_perdisk *pd, *oldpd;
432 struct nvidia_raid_conf *meta;
433 int disk_pos, resurrection = 0;
437 mdi = (struct g_raid_md_nvidia_object *)md;
438 meta = mdi->mdio_meta;
439 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
442 /* Find disk position in metadata by it's serial. */
443 if (pd->pd_meta != NULL) {
444 disk_pos = pd->pd_meta->disk_number;
445 if (disk_pos >= meta->total_disks || mdi->mdio_started)
449 /* For RAID0+1 we need to translate order. */
450 disk_pos = nvidia_meta_translate_disk(meta, disk_pos);
452 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
453 /* If we are in the start process, that's all for now. */
454 if (!mdi->mdio_started)
457 * If we have already started - try to get use of the disk.
458 * Try to replace OFFLINE disks first, then FAILED.
460 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
461 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
462 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
464 /* Make sure this disk is big enough. */
465 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
466 if (sd->sd_offset + sd->sd_size + 2 * 512 >
469 "Disk too small (%ju < %ju)",
471 sd->sd_offset + sd->sd_size + 512);
477 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
480 } else if (olddisk == NULL)
483 if (olddisk == NULL) {
485 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
488 oldpd = (struct g_raid_md_nvidia_perdisk *)olddisk->d_md_data;
489 disk_pos = oldpd->pd_disk_pos;
493 if (olddisk == NULL) {
494 /* Find placeholder by position. */
495 olddisk = g_raid_md_nvidia_get_disk(sc, disk_pos);
497 panic("No disk at position %d!", disk_pos);
498 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
499 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
501 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
504 oldpd = (struct g_raid_md_nvidia_perdisk *)olddisk->d_md_data;
507 /* Replace failed disk or placeholder with new disk. */
508 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
509 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
510 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
513 oldpd->pd_disk_pos = -2;
514 pd->pd_disk_pos = disk_pos;
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. */
526 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
527 else// if (pd->pd_meta->disk_status == NVIDIA_S_CURRENT ||
528 //pd->pd_meta->disk_status == NVIDIA_S_REBUILD)
529 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
531 // g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
532 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
535 * Different disks may have different sizes,
536 * in concat mode. Update from real disk size.
538 if (meta->type == NVIDIA_T_CONCAT)
539 sd->sd_size = pd->pd_disk_size - 0x800 * 512;
542 /* New or ex-spare disk. */
543 g_raid_change_subdisk_state(sd,
544 G_RAID_SUBDISK_S_NEW);
545 } else if (meta->state == NVIDIA_S_REBUILD &&
546 (pd->pd_meta->disk_status & 0x100)) {
547 /* Rebuilding disk. */
548 g_raid_change_subdisk_state(sd,
549 G_RAID_SUBDISK_S_REBUILD);
550 sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
551 meta->array_width * pd->pd_meta->sector_size;
552 } else if (meta->state == NVIDIA_S_SYNC) {
553 /* Resyncing/dirty disk. */
554 g_raid_change_subdisk_state(sd,
555 G_RAID_SUBDISK_S_RESYNC);
556 sd->sd_rebuild_pos = (off_t)pd->pd_meta->rebuild_lba /
557 meta->array_width * pd->pd_meta->sector_size;
559 /* Up to date disk. */
560 g_raid_change_subdisk_state(sd,
561 G_RAID_SUBDISK_S_ACTIVE);
563 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
564 G_RAID_EVENT_SUBDISK);
567 /* Update status of our need for spare. */
568 if (mdi->mdio_started) {
569 mdi->mdio_incomplete =
570 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
571 mdi->mdio_total_disks);
574 return (resurrection);
578 g_disk_md_nvidia_retaste(void *arg, int pending)
581 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
582 g_retaste(&g_raid_class);
583 free(arg, M_MD_NVIDIA);
587 g_raid_md_nvidia_refill(struct g_raid_softc *sc)
589 struct g_raid_md_object *md;
590 struct g_raid_md_nvidia_object *mdi;
591 struct g_raid_disk *disk;
596 mdi = (struct g_raid_md_nvidia_object *)md;
599 /* Make sure we miss anything. */
600 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
601 if (na == mdi->mdio_total_disks)
604 G_RAID_DEBUG1(1, md->mdo_softc,
605 "Array is not complete (%d of %d), "
606 "trying to refill.", na, mdi->mdio_total_disks);
608 /* Try to get use some of STALE disks. */
609 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
610 if (disk->d_state == G_RAID_DISK_S_STALE) {
611 update += g_raid_md_nvidia_start_disk(disk);
612 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
619 /* Try to get use some of SPARE disks. */
620 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
621 if (disk->d_state == G_RAID_DISK_S_SPARE) {
622 update += g_raid_md_nvidia_start_disk(disk);
623 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
627 } while (disk != NULL);
629 /* Write new metadata if we changed something. */
631 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
633 /* Update status of our need for spare. */
634 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
635 mdi->mdio_total_disks);
637 /* Request retaste hoping to find spare. */
638 if (mdi->mdio_incomplete) {
639 task = malloc(sizeof(struct task),
640 M_MD_NVIDIA, M_WAITOK | M_ZERO);
641 TASK_INIT(task, 0, g_disk_md_nvidia_retaste, task);
642 taskqueue_enqueue(taskqueue_swi, task);
647 g_raid_md_nvidia_start(struct g_raid_softc *sc)
649 struct g_raid_md_object *md;
650 struct g_raid_md_nvidia_object *mdi;
651 struct g_raid_md_nvidia_perdisk *pd;
652 struct nvidia_raid_conf *meta;
653 struct g_raid_volume *vol;
654 struct g_raid_subdisk *sd;
655 struct g_raid_disk *disk;
661 mdi = (struct g_raid_md_nvidia_object *)md;
662 meta = mdi->mdio_meta;
664 /* Create volumes and subdisks. */
665 nvidia_meta_get_name(meta, buf);
666 vol = g_raid_create_volume(sc, buf, -1);
667 vol->v_mediasize = (off_t)meta->total_sectors * 512;
668 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
669 if (meta->type == NVIDIA_T_RAID0) {
670 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
671 size = vol->v_mediasize / mdi->mdio_total_disks;
672 } else if (meta->type == NVIDIA_T_RAID1) {
673 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
674 size = vol->v_mediasize;
675 } else if (meta->type == NVIDIA_T_RAID01) {
676 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
677 size = vol->v_mediasize / (mdi->mdio_total_disks / 2);
678 } else if (meta->type == NVIDIA_T_CONCAT) {
679 if (mdi->mdio_total_disks == 1)
680 vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE;
682 vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT;
684 } else if (meta->type == NVIDIA_T_RAID5) {
685 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
686 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
687 size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
688 } else if (meta->type == NVIDIA_T_RAID5_SYM) {
689 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
690 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LS;
691 size = vol->v_mediasize / (mdi->mdio_total_disks - 1);
693 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
696 vol->v_strip_size = meta->strip_sectors * 512; //ZZZ
697 vol->v_disks_count = mdi->mdio_total_disks;
698 vol->v_sectorsize = 512; //ZZZ
699 for (j = 0; j < vol->v_disks_count; j++) {
700 sd = &vol->v_subdisks[j];
704 g_raid_start_volume(vol);
706 /* Create disk placeholders to store data for later writing. */
707 for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) {
708 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
709 pd->pd_disk_pos = disk_pos;
710 disk = g_raid_create_disk(sc);
711 disk->d_md_data = (void *)pd;
712 disk->d_state = G_RAID_DISK_S_OFFLINE;
713 sd = &vol->v_subdisks[disk_pos];
715 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
718 /* Make all disks found till the moment take their places. */
720 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
721 if (disk->d_state == G_RAID_DISK_S_NONE) {
722 g_raid_md_nvidia_start_disk(disk);
726 } while (disk != NULL);
728 mdi->mdio_started = 1;
729 G_RAID_DEBUG1(0, sc, "Array started.");
730 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
732 /* Pickup any STALE/SPARE disks to refill array if needed. */
733 g_raid_md_nvidia_refill(sc);
735 g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME);
737 callout_stop(&mdi->mdio_start_co);
738 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
739 root_mount_rel(mdi->mdio_rootmount);
740 mdi->mdio_rootmount = NULL;
744 g_raid_md_nvidia_new_disk(struct g_raid_disk *disk)
746 struct g_raid_softc *sc;
747 struct g_raid_md_object *md;
748 struct g_raid_md_nvidia_object *mdi;
749 struct nvidia_raid_conf *pdmeta;
750 struct g_raid_md_nvidia_perdisk *pd;
754 mdi = (struct g_raid_md_nvidia_object *)md;
755 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
756 pdmeta = pd->pd_meta;
758 if (mdi->mdio_started) {
759 if (g_raid_md_nvidia_start_disk(disk))
760 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
762 if (mdi->mdio_meta == NULL ||
763 mdi->mdio_meta->disk_number >= mdi->mdio_meta->total_disks) {
764 G_RAID_DEBUG1(1, sc, "Newer disk");
765 if (mdi->mdio_meta != NULL)
766 free(mdi->mdio_meta, M_MD_NVIDIA);
767 mdi->mdio_meta = nvidia_meta_copy(pdmeta);
768 mdi->mdio_total_disks = pdmeta->total_disks;
769 mdi->mdio_disks_present = 1;
770 } else if (pdmeta->disk_number < mdi->mdio_meta->total_disks) {
771 mdi->mdio_disks_present++;
772 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
773 mdi->mdio_disks_present,
774 mdi->mdio_total_disks);
776 G_RAID_DEBUG1(1, sc, "Spare disk");
778 /* If we collected all needed disks - start array. */
779 if (mdi->mdio_disks_present == mdi->mdio_total_disks)
780 g_raid_md_nvidia_start(sc);
785 g_raid_nvidia_go(void *arg)
787 struct g_raid_softc *sc;
788 struct g_raid_md_object *md;
789 struct g_raid_md_nvidia_object *mdi;
793 mdi = (struct g_raid_md_nvidia_object *)md;
794 if (!mdi->mdio_started) {
795 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
796 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
801 g_raid_md_create_nvidia(struct g_raid_md_object *md, struct g_class *mp,
804 struct g_raid_softc *sc;
805 struct g_raid_md_nvidia_object *mdi;
808 mdi = (struct g_raid_md_nvidia_object *)md;
809 arc4rand(&mdi->mdio_volume_id, 16, 0);
810 snprintf(name, sizeof(name), "NVIDIA-%d",
811 atomic_fetchadd_int(&NVIDIANodeID, 1));
812 sc = g_raid_create_node(mp, name, md);
814 return (G_RAID_MD_TASTE_FAIL);
817 return (G_RAID_MD_TASTE_NEW);
821 g_raid_md_taste_nvidia(struct g_raid_md_object *md, struct g_class *mp,
822 struct g_consumer *cp, struct g_geom **gp)
824 struct g_consumer *rcp;
825 struct g_provider *pp;
826 struct g_raid_md_nvidia_object *mdi, *mdi1;
827 struct g_raid_softc *sc;
828 struct g_raid_disk *disk;
829 struct nvidia_raid_conf *meta;
830 struct g_raid_md_nvidia_perdisk *pd;
832 int error, result, spare, len;
836 G_RAID_DEBUG(1, "Tasting NVIDIA on %s", cp->provider->name);
837 mdi = (struct g_raid_md_nvidia_object *)md;
840 /* Read metadata from device. */
843 if (g_access(cp, 1, 0, 0) != 0)
844 return (G_RAID_MD_TASTE_FAIL);
847 if (pp->geom->rank == 1)
848 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
849 meta = nvidia_meta_read(cp);
851 g_access(cp, -1, 0, 0);
853 if (g_raid_aggressive_spare) {
854 if (vendor == 0x10de) {
856 "No NVIDIA metadata, forcing spare.");
861 "NVIDIA vendor mismatch 0x%04x != 0x10de",
865 return (G_RAID_MD_TASTE_FAIL);
868 /* Metadata valid. Print it. */
869 g_raid_md_nvidia_print(meta);
870 G_RAID_DEBUG(1, "NVIDIA disk position %d", meta->disk_number);
871 spare = 0;//(meta->type == NVIDIA_T_SPARE) ? 1 : 0;
874 /* Search for matching node. */
877 LIST_FOREACH(geom, &mp->geom, geom) {
881 if (sc->sc_stopping != 0)
883 if (sc->sc_md->mdo_class != md->mdo_class)
885 mdi1 = (struct g_raid_md_nvidia_object *)sc->sc_md;
887 if (mdi1->mdio_incomplete)
890 if (memcmp(&mdi1->mdio_volume_id,
891 &meta->volume_id, 16) == 0)
896 /* Found matching node. */
898 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
899 result = G_RAID_MD_TASTE_EXISTING;
901 } else if (spare) { /* Not found needy node -- left for later. */
902 G_RAID_DEBUG(1, "Spare is not needed at this time");
905 } else { /* Not found matching node -- create one. */
906 result = G_RAID_MD_TASTE_NEW;
907 memcpy(&mdi->mdio_volume_id, &meta->volume_id, 16);
908 snprintf(name, sizeof(name), "NVIDIA-%d",
909 atomic_fetchadd_int(&NVIDIANodeID, 1));
910 sc = g_raid_create_node(mp, name, md);
913 callout_init(&mdi->mdio_start_co, 1);
914 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
915 g_raid_nvidia_go, sc);
916 mdi->mdio_rootmount = root_mount_hold("GRAID-NVIDIA");
917 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
920 rcp = g_new_consumer(geom);
922 if (g_access(rcp, 1, 1, 1) != 0)
926 sx_xlock(&sc->sc_lock);
928 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
931 pd->pd_disk_pos = -3;
933 pd->pd_disk_pos = -1;
935 pd->pd_disk_size = pp->mediasize;
936 disk = g_raid_create_disk(sc);
937 disk->d_md_data = (void *)pd;
938 disk->d_consumer = rcp;
941 /* Read kernel dumping information. */
942 disk->d_kd.offset = 0;
943 disk->d_kd.length = OFF_MAX;
944 len = sizeof(disk->d_kd);
945 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
946 if (disk->d_kd.di.dumper == NULL)
947 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
948 rcp->provider->name, error);
950 g_raid_md_nvidia_new_disk(disk);
952 sx_xunlock(&sc->sc_lock);
957 free(meta, M_MD_NVIDIA);
958 return (G_RAID_MD_TASTE_FAIL);
962 g_raid_md_event_nvidia(struct g_raid_md_object *md,
963 struct g_raid_disk *disk, u_int event)
965 struct g_raid_softc *sc;
966 struct g_raid_subdisk *sd;
967 struct g_raid_md_nvidia_object *mdi;
968 struct g_raid_md_nvidia_perdisk *pd;
971 mdi = (struct g_raid_md_nvidia_object *)md;
974 case G_RAID_NODE_E_START:
975 if (!mdi->mdio_started) {
976 /* Bump volume ID to drop missing disks. */
977 arc4rand(&mdi->mdio_volume_id, 16, 0);
978 g_raid_md_nvidia_start(sc);
984 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
986 case G_RAID_DISK_E_DISCONNECTED:
987 /* If disk was assigned, just update statuses. */
988 if (pd->pd_disk_pos >= 0) {
989 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
990 if (disk->d_consumer) {
991 g_raid_kill_consumer(sc, disk->d_consumer);
992 disk->d_consumer = NULL;
994 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
995 g_raid_change_subdisk_state(sd,
996 G_RAID_SUBDISK_S_NONE);
997 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
998 G_RAID_EVENT_SUBDISK);
1001 /* Otherwise -- delete. */
1002 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1003 g_raid_destroy_disk(disk);
1006 if (mdi->mdio_started) {
1007 /* Bump volume ID to prevent disk resurrection. */
1008 if (pd->pd_disk_pos >= 0)
1009 arc4rand(&mdi->mdio_volume_id, 16, 0);
1011 /* Write updated metadata to all disks. */
1012 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1015 /* Check if anything left except placeholders. */
1016 if (g_raid_ndisks(sc, -1) ==
1017 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1018 g_raid_destroy_node(sc, 0);
1020 g_raid_md_nvidia_refill(sc);
1027 g_raid_md_ctl_nvidia(struct g_raid_md_object *md,
1028 struct gctl_req *req)
1030 struct g_raid_softc *sc;
1031 struct g_raid_volume *vol;
1032 struct g_raid_subdisk *sd;
1033 struct g_raid_disk *disk;
1034 struct g_raid_md_nvidia_object *mdi;
1035 struct g_raid_md_nvidia_perdisk *pd;
1036 struct g_consumer *cp;
1037 struct g_provider *pp;
1039 const char *verb, *volname, *levelname, *diskname;
1041 off_t size, sectorsize, strip, volsize;
1042 intmax_t *sizearg, *striparg;
1043 int numdisks, i, len, level, qual, update;
1047 mdi = (struct g_raid_md_nvidia_object *)md;
1048 verb = gctl_get_param(req, "verb", NULL);
1049 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1051 if (strcmp(verb, "label") == 0) {
1054 gctl_error(req, "Invalid number of arguments.");
1057 volname = gctl_get_asciiparam(req, "arg1");
1058 if (volname == NULL) {
1059 gctl_error(req, "No volume name.");
1062 levelname = gctl_get_asciiparam(req, "arg2");
1063 if (levelname == NULL) {
1064 gctl_error(req, "No RAID level.");
1067 if (strcasecmp(levelname, "RAID5") == 0)
1068 levelname = "RAID5-LS";
1069 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1070 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1073 numdisks = *nargs - 3;
1074 force = gctl_get_paraml(req, "force", sizeof(*force));
1075 if (!g_raid_md_nvidia_supported(level, qual, numdisks,
1076 force ? *force : 0)) {
1077 gctl_error(req, "Unsupported RAID level "
1078 "(0x%02x/0x%02x), or number of disks (%d).",
1079 level, qual, numdisks);
1083 /* Search for disks, connect them and probe. */
1084 size = 0x7fffffffffffffffllu;
1086 for (i = 0; i < numdisks; i++) {
1087 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1088 diskname = gctl_get_asciiparam(req, arg);
1089 if (diskname == NULL) {
1090 gctl_error(req, "No disk name (%s).", arg);
1094 if (strcmp(diskname, "NONE") == 0) {
1099 cp = g_raid_open_consumer(sc, diskname);
1101 gctl_error(req, "Can't open '%s'.",
1103 g_topology_unlock();
1109 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1110 pd->pd_disk_pos = i;
1111 disk = g_raid_create_disk(sc);
1112 disk->d_md_data = (void *)pd;
1113 disk->d_consumer = cp;
1117 g_topology_unlock();
1119 /* Read kernel dumping information. */
1120 disk->d_kd.offset = 0;
1121 disk->d_kd.length = OFF_MAX;
1122 len = sizeof(disk->d_kd);
1123 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1124 if (disk->d_kd.di.dumper == NULL)
1125 G_RAID_DEBUG1(2, sc,
1126 "Dumping not supported by %s.",
1127 cp->provider->name);
1129 pd->pd_disk_size = pp->mediasize;
1130 if (size > pp->mediasize)
1131 size = pp->mediasize;
1132 if (sectorsize < pp->sectorsize)
1133 sectorsize = pp->sectorsize;
1138 if (sectorsize <= 0) {
1139 gctl_error(req, "Can't get sector size.");
1143 /* Reserve space for metadata. */
1144 size -= 2 * sectorsize;
1146 /* Handle size argument. */
1147 len = sizeof(*sizearg);
1148 sizearg = gctl_get_param(req, "size", &len);
1149 if (sizearg != NULL && len == sizeof(*sizearg) &&
1151 if (*sizearg > size) {
1152 gctl_error(req, "Size too big %lld > %lld.",
1153 (long long)*sizearg, (long long)size);
1159 /* Handle strip argument. */
1161 len = sizeof(*striparg);
1162 striparg = gctl_get_param(req, "strip", &len);
1163 if (striparg != NULL && len == sizeof(*striparg) &&
1165 if (*striparg < sectorsize) {
1166 gctl_error(req, "Strip size too small.");
1169 if (*striparg % sectorsize != 0) {
1170 gctl_error(req, "Incorrect strip size.");
1173 if (strip > 65535 * sectorsize) {
1174 gctl_error(req, "Strip size too big.");
1180 /* Round size down to strip or sector. */
1181 if (level == G_RAID_VOLUME_RL_RAID1)
1182 size -= (size % sectorsize);
1183 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1184 (numdisks & 1) != 0)
1185 size -= (size % (2 * strip));
1187 size -= (size % strip);
1189 gctl_error(req, "Size too small.");
1193 if (level == G_RAID_VOLUME_RL_RAID0 ||
1194 level == G_RAID_VOLUME_RL_CONCAT ||
1195 level == G_RAID_VOLUME_RL_SINGLE)
1196 volsize = size * numdisks;
1197 else if (level == G_RAID_VOLUME_RL_RAID1)
1199 else if (level == G_RAID_VOLUME_RL_RAID5)
1200 volsize = size * (numdisks - 1);
1202 volsize = ((size * numdisks) / strip / 2) *
1205 if (volsize > 0xffffffffllu * sectorsize) {
1206 gctl_error(req, "Size too big.");
1210 /* We have all we need, create things: volume, ... */
1211 mdi->mdio_total_disks = numdisks;
1212 mdi->mdio_started = 1;
1213 vol = g_raid_create_volume(sc, volname, -1);
1214 vol->v_md_data = (void *)(intptr_t)0;
1215 vol->v_raid_level = level;
1216 vol->v_raid_level_qualifier = qual;
1217 vol->v_strip_size = strip;
1218 vol->v_disks_count = numdisks;
1219 vol->v_mediasize = volsize;
1220 vol->v_sectorsize = sectorsize;
1221 g_raid_start_volume(vol);
1223 /* , and subdisks. */
1224 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1225 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1226 sd = &vol->v_subdisks[pd->pd_disk_pos];
1230 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1231 if (sd->sd_disk->d_consumer != NULL) {
1232 g_raid_change_disk_state(disk,
1233 G_RAID_DISK_S_ACTIVE);
1234 g_raid_change_subdisk_state(sd,
1235 G_RAID_SUBDISK_S_ACTIVE);
1236 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1237 G_RAID_EVENT_SUBDISK);
1239 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1243 /* Write metadata based on created entities. */
1244 G_RAID_DEBUG1(0, sc, "Array started.");
1245 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1247 /* Pickup any STALE/SPARE disks to refill array if needed. */
1248 g_raid_md_nvidia_refill(sc);
1250 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1251 G_RAID_EVENT_VOLUME);
1254 if (strcmp(verb, "delete") == 0) {
1256 /* Check if some volume is still open. */
1257 force = gctl_get_paraml(req, "force", sizeof(*force));
1258 if (force != NULL && *force == 0 &&
1259 g_raid_nopens(sc) != 0) {
1260 gctl_error(req, "Some volume is still open.");
1264 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1265 if (disk->d_consumer)
1266 nvidia_meta_erase(disk->d_consumer);
1268 g_raid_destroy_node(sc, 0);
1271 if (strcmp(verb, "remove") == 0 ||
1272 strcmp(verb, "fail") == 0) {
1274 gctl_error(req, "Invalid number of arguments.");
1277 for (i = 1; i < *nargs; i++) {
1278 snprintf(arg, sizeof(arg), "arg%d", i);
1279 diskname = gctl_get_asciiparam(req, arg);
1280 if (diskname == NULL) {
1281 gctl_error(req, "No disk name (%s).", arg);
1285 if (strncmp(diskname, "/dev/", 5) == 0)
1288 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1289 if (disk->d_consumer != NULL &&
1290 disk->d_consumer->provider != NULL &&
1291 strcmp(disk->d_consumer->provider->name,
1296 gctl_error(req, "Disk '%s' not found.",
1302 if (strcmp(verb, "fail") == 0) {
1303 g_raid_md_fail_disk_nvidia(md, NULL, disk);
1307 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1309 /* Erase metadata on deleting disk. */
1310 nvidia_meta_erase(disk->d_consumer);
1312 /* If disk was assigned, just update statuses. */
1313 if (pd->pd_disk_pos >= 0) {
1314 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1315 g_raid_kill_consumer(sc, disk->d_consumer);
1316 disk->d_consumer = NULL;
1317 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1318 g_raid_change_subdisk_state(sd,
1319 G_RAID_SUBDISK_S_NONE);
1320 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1321 G_RAID_EVENT_SUBDISK);
1324 /* Otherwise -- delete. */
1325 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1326 g_raid_destroy_disk(disk);
1330 /* Write updated metadata to remaining disks. */
1331 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1333 /* Check if anything left except placeholders. */
1334 if (g_raid_ndisks(sc, -1) ==
1335 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1336 g_raid_destroy_node(sc, 0);
1338 g_raid_md_nvidia_refill(sc);
1341 if (strcmp(verb, "insert") == 0) {
1343 gctl_error(req, "Invalid number of arguments.");
1347 for (i = 1; i < *nargs; i++) {
1348 /* Get disk name. */
1349 snprintf(arg, sizeof(arg), "arg%d", i);
1350 diskname = gctl_get_asciiparam(req, arg);
1351 if (diskname == NULL) {
1352 gctl_error(req, "No disk name (%s).", arg);
1357 /* Try to find provider with specified name. */
1359 cp = g_raid_open_consumer(sc, diskname);
1361 gctl_error(req, "Can't open disk '%s'.",
1363 g_topology_unlock();
1369 pd = malloc(sizeof(*pd), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1370 pd->pd_disk_pos = -3;
1371 pd->pd_disk_size = pp->mediasize;
1373 disk = g_raid_create_disk(sc);
1374 disk->d_consumer = cp;
1375 disk->d_md_data = (void *)pd;
1377 g_topology_unlock();
1379 /* Read kernel dumping information. */
1380 disk->d_kd.offset = 0;
1381 disk->d_kd.length = OFF_MAX;
1382 len = sizeof(disk->d_kd);
1383 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1384 if (disk->d_kd.di.dumper == NULL)
1385 G_RAID_DEBUG1(2, sc,
1386 "Dumping not supported by %s.",
1387 cp->provider->name);
1389 /* Welcome the "new" disk. */
1390 update += g_raid_md_nvidia_start_disk(disk);
1391 if (disk->d_state != G_RAID_DISK_S_SPARE &&
1392 disk->d_state != G_RAID_DISK_S_ACTIVE) {
1393 gctl_error(req, "Disk '%s' doesn't fit.",
1395 g_raid_destroy_disk(disk);
1401 /* Write new metadata if we changed something. */
1403 g_raid_md_write_nvidia(md, NULL, NULL, NULL);
1406 gctl_error(req, "Command '%s' is not supported.", verb);
1411 g_raid_md_write_nvidia(struct g_raid_md_object *md, struct g_raid_volume *tvol,
1412 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1414 struct g_raid_softc *sc;
1415 struct g_raid_volume *vol;
1416 struct g_raid_subdisk *sd;
1417 struct g_raid_disk *disk;
1418 struct g_raid_md_nvidia_object *mdi;
1419 struct g_raid_md_nvidia_perdisk *pd;
1420 struct nvidia_raid_conf *meta;
1424 mdi = (struct g_raid_md_nvidia_object *)md;
1426 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
1429 /* There is only one volume. */
1430 vol = TAILQ_FIRST(&sc->sc_volumes);
1432 /* Fill global fields. */
1433 meta = malloc(sizeof(*meta), M_MD_NVIDIA, M_WAITOK | M_ZERO);
1435 memcpy(meta, mdi->mdio_meta, sizeof(*meta));
1436 memcpy(meta->nvidia_id, NVIDIA_MAGIC, sizeof(NVIDIA_MAGIC) - 1);
1437 meta->config_size = 30;
1438 meta->version = 0x0064;
1439 meta->total_sectors = vol->v_mediasize / vol->v_sectorsize;
1440 meta->sector_size = vol->v_sectorsize;
1441 nvidia_meta_put_name(meta, vol->v_name);
1442 meta->magic_0 = NVIDIA_MAGIC0;
1443 memcpy(&meta->volume_id, &mdi->mdio_volume_id, 16);
1444 meta->state = NVIDIA_S_IDLE;
1445 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1446 meta->array_width = 1;
1447 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1448 meta->array_width = vol->v_disks_count / 2;
1449 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
1450 meta->array_width = vol->v_disks_count - 1;
1452 meta->array_width = vol->v_disks_count;
1453 meta->total_disks = vol->v_disks_count;
1454 meta->orig_array_width = meta->array_width;
1455 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
1456 meta->type = NVIDIA_T_RAID0;
1457 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
1458 meta->type = NVIDIA_T_RAID1;
1459 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
1460 meta->type = NVIDIA_T_RAID01;
1461 else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT ||
1462 vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE)
1463 meta->type = NVIDIA_T_CONCAT;
1464 else if (vol->v_raid_level_qualifier == G_RAID_VOLUME_RLQ_R5LA)
1465 meta->type = NVIDIA_T_RAID5;
1467 meta->type = NVIDIA_T_RAID5_SYM;
1468 meta->strip_sectors = vol->v_strip_size / vol->v_sectorsize;
1469 meta->strip_bytes = vol->v_strip_size;
1470 meta->strip_shift = ffs(meta->strip_sectors) - 1;
1471 meta->strip_mask = meta->strip_sectors - 1;
1472 meta->stripe_sectors = meta->strip_sectors * meta->orig_array_width;
1473 meta->stripe_bytes = meta->stripe_sectors * vol->v_sectorsize;
1474 meta->rebuild_lba = 0;
1475 meta->orig_type = meta->type;
1476 meta->orig_total_sectors = meta->total_sectors;
1479 for (i = 0; i < vol->v_disks_count; i++) {
1480 sd = &vol->v_subdisks[i];
1481 if ((sd->sd_state == G_RAID_SUBDISK_S_STALE ||
1482 sd->sd_state == G_RAID_SUBDISK_S_RESYNC ||
1484 meta->state != NVIDIA_S_REBUILD)
1485 meta->state = NVIDIA_S_SYNC;
1486 else if (sd->sd_state == G_RAID_SUBDISK_S_NEW ||
1487 sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
1488 meta->state = NVIDIA_S_REBUILD;
1491 /* We are done. Print meta data and store them to disks. */
1492 if (mdi->mdio_meta != NULL)
1493 free(mdi->mdio_meta, M_MD_NVIDIA);
1494 mdi->mdio_meta = meta;
1496 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1497 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1498 if (disk->d_state != G_RAID_DISK_S_ACTIVE &&
1499 disk->d_state != G_RAID_DISK_S_SPARE)
1501 if (pd->pd_meta != NULL) {
1502 free(pd->pd_meta, M_MD_NVIDIA);
1505 pd->pd_meta = nvidia_meta_copy(meta);
1506 if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) {
1507 /* For RAID0+1 we need to translate order. */
1508 pd->pd_meta->disk_number =
1509 nvidia_meta_translate_disk(meta, sd->sd_pos);
1510 if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE) {
1511 pd->pd_meta->disk_status = 0x100;
1512 pd->pd_meta->rebuild_lba =
1513 sd->sd_rebuild_pos / vol->v_sectorsize *
1517 pd->pd_meta->disk_number = meta->total_disks + spares++;
1518 G_RAID_DEBUG(1, "Writing NVIDIA metadata to %s",
1519 g_raid_get_diskname(disk));
1520 g_raid_md_nvidia_print(pd->pd_meta);
1521 nvidia_meta_write(disk->d_consumer, pd->pd_meta);
1527 g_raid_md_fail_disk_nvidia(struct g_raid_md_object *md,
1528 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
1530 struct g_raid_softc *sc;
1531 struct g_raid_md_nvidia_perdisk *pd;
1532 struct g_raid_subdisk *sd;
1535 pd = (struct g_raid_md_nvidia_perdisk *)tdisk->d_md_data;
1537 /* We can't fail disk that is not a part of array now. */
1538 if (pd->pd_disk_pos < 0)
1541 /* Erase metadata to prevent disks's later resurrection. */
1542 if (tdisk->d_consumer)
1543 nvidia_meta_erase(tdisk->d_consumer);
1545 /* Change states. */
1546 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
1547 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
1548 g_raid_change_subdisk_state(sd,
1549 G_RAID_SUBDISK_S_FAILED);
1550 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
1551 G_RAID_EVENT_SUBDISK);
1554 /* Write updated metadata to remaining disks. */
1555 g_raid_md_write_nvidia(md, NULL, NULL, tdisk);
1557 /* Check if anything left except placeholders. */
1558 if (g_raid_ndisks(sc, -1) ==
1559 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1560 g_raid_destroy_node(sc, 0);
1562 g_raid_md_nvidia_refill(sc);
1567 g_raid_md_free_disk_nvidia(struct g_raid_md_object *md,
1568 struct g_raid_disk *disk)
1570 struct g_raid_md_nvidia_perdisk *pd;
1572 pd = (struct g_raid_md_nvidia_perdisk *)disk->d_md_data;
1573 if (pd->pd_meta != NULL) {
1574 free(pd->pd_meta, M_MD_NVIDIA);
1577 free(pd, M_MD_NVIDIA);
1578 disk->d_md_data = NULL;
1583 g_raid_md_free_nvidia(struct g_raid_md_object *md)
1585 struct g_raid_md_nvidia_object *mdi;
1587 mdi = (struct g_raid_md_nvidia_object *)md;
1588 if (!mdi->mdio_started) {
1589 mdi->mdio_started = 0;
1590 callout_stop(&mdi->mdio_start_co);
1591 G_RAID_DEBUG1(1, md->mdo_softc,
1592 "root_mount_rel %p", mdi->mdio_rootmount);
1593 root_mount_rel(mdi->mdio_rootmount);
1594 mdi->mdio_rootmount = NULL;
1596 if (mdi->mdio_meta != NULL) {
1597 free(mdi->mdio_meta, M_MD_NVIDIA);
1598 mdi->mdio_meta = NULL;
1603 G_RAID_MD_DECLARE(g_raid_md_nvidia);