2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
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 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS 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 AUTHORS OR CONTRIBUTORS BE LIABLE
18 * FOR 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>
32 #include <sys/endian.h>
33 #include <sys/kernel.h>
35 #include <sys/limits.h>
37 #include <sys/malloc.h>
38 #include <sys/mutex.h>
39 #include <sys/systm.h>
40 #include <sys/taskqueue.h>
41 #include <geom/geom.h>
42 #include "geom/raid/g_raid.h"
43 #include "g_raid_md_if.h"
45 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
47 struct intel_raid_map {
49 uint32_t disk_sectors;
50 uint32_t stripe_count;
51 uint16_t strip_sectors;
53 #define INTEL_S_READY 0x00
54 #define INTEL_S_UNINITIALIZED 0x01
55 #define INTEL_S_DEGRADED 0x02
56 #define INTEL_S_FAILURE 0x03
59 #define INTEL_T_RAID0 0x00
60 #define INTEL_T_RAID1 0x01
61 #define INTEL_T_RAID5 0x05
64 uint8_t total_domains;
65 uint8_t failed_disk_num;
68 uint32_t disk_idx[1]; /* total_disks entries. */
69 #define INTEL_DI_IDX 0x00ffffff
70 #define INTEL_DI_RBLD 0x01000000
73 struct intel_raid_vol {
75 u_int64_t total_sectors __packed;
77 #define INTEL_ST_BOOTABLE 0x00000001
78 #define INTEL_ST_BOOT_DEVICE 0x00000002
79 #define INTEL_ST_READ_COALESCING 0x00000004
80 #define INTEL_ST_WRITE_COALESCING 0x00000008
81 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
82 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
83 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
84 #define INTEL_ST_VERIFY_AND_FIX 0x00000080
85 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
86 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
87 #define INTEL_ST_CLONE_N_GO 0x00000400
88 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
89 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
91 uint8_t migr_priority;
94 uint8_t cng_master_disk;
95 uint16_t cache_policy;
97 uint8_t cng_sub_state;
98 uint32_t filler_0[10];
100 uint32_t curr_migr_unit;
101 uint32_t checkpoint_id;
104 #define INTEL_MT_INIT 0
105 #define INTEL_MT_REBUILD 1
106 #define INTEL_MT_VERIFY 2
107 #define INTEL_MT_GEN_MIGR 3
108 #define INTEL_MT_STATE_CHANGE 4
109 #define INTEL_MT_REPAIR 5
112 uint16_t verify_errors;
114 uint32_t filler_1[4];
115 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
118 struct intel_raid_disk {
119 #define INTEL_SERIAL_LEN 16
120 uint8_t serial[INTEL_SERIAL_LEN];
124 #define INTEL_F_SPARE 0x01
125 #define INTEL_F_ASSIGNED 0x02
126 #define INTEL_F_FAILED 0x04
127 #define INTEL_F_ONLINE 0x08
132 struct intel_raid_conf {
133 uint8_t intel_id[24];
134 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
137 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
138 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
139 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
140 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
141 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
142 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
143 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
144 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
148 uint32_t config_size;
151 uint32_t error_log_size;
153 #define INTEL_ATTR_RAID0 0x00000001
154 #define INTEL_ATTR_RAID1 0x00000002
155 #define INTEL_ATTR_RAID10 0x00000004
156 #define INTEL_ATTR_RAID1E 0x00000008
157 #define INTEL_ATTR_RAID5 0x00000010
158 #define INTEL_ATTR_RAIDCNG 0x00000020
159 #define INTEL_ATTR_2TB 0x20000000
160 #define INTEL_ATTR_PM 0x40000000
161 #define INTEL_ATTR_CHECKSUM 0x80000000
164 uint8_t total_volumes;
166 uint32_t filler_0[39];
167 struct intel_raid_disk disk[1]; /* total_disks entries. */
168 /* Here goes total_volumes of struct intel_raid_vol. */
171 #define INTEL_MAX_MD_SIZE(ndisks) \
172 (sizeof(struct intel_raid_conf) + \
173 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
174 sizeof(struct intel_raid_vol) * 2 + \
175 sizeof(struct intel_raid_map) * 2 + \
176 sizeof(uint32_t) * (ndisks - 1) * 4)
178 struct g_raid_md_intel_perdisk {
179 struct intel_raid_conf *pd_meta;
181 struct intel_raid_disk pd_disk_meta;
184 struct g_raid_md_intel_object {
185 struct g_raid_md_object mdio_base;
186 uint32_t mdio_config_id;
187 uint32_t mdio_generation;
188 struct intel_raid_conf *mdio_meta;
189 struct callout mdio_start_co; /* STARTING state timer. */
190 int mdio_disks_present;
193 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
196 static g_raid_md_create_t g_raid_md_create_intel;
197 static g_raid_md_taste_t g_raid_md_taste_intel;
198 static g_raid_md_event_t g_raid_md_event_intel;
199 static g_raid_md_ctl_t g_raid_md_ctl_intel;
200 static g_raid_md_write_t g_raid_md_write_intel;
201 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
202 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
203 static g_raid_md_free_t g_raid_md_free_intel;
205 static kobj_method_t g_raid_md_intel_methods[] = {
206 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
207 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
208 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
209 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
210 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
211 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
212 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
213 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
217 static struct g_raid_md_class g_raid_md_intel_class = {
219 g_raid_md_intel_methods,
220 sizeof(struct g_raid_md_intel_object),
225 static struct intel_raid_map *
226 intel_get_map(struct intel_raid_vol *mvol, int i)
228 struct intel_raid_map *mmap;
230 if (i > (mvol->migr_state ? 1 : 0))
232 mmap = &mvol->map[0];
234 mmap = (struct intel_raid_map *)
235 &mmap->disk_idx[mmap->total_disks];
237 return ((struct intel_raid_map *)mmap);
240 static struct intel_raid_vol *
241 intel_get_volume(struct intel_raid_conf *meta, int i)
243 struct intel_raid_vol *mvol;
244 struct intel_raid_map *mmap;
248 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
250 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
251 mvol = (struct intel_raid_vol *)
252 &mmap->disk_idx[mmap->total_disks];
258 g_raid_md_intel_print(struct intel_raid_conf *meta)
260 struct intel_raid_vol *mvol;
261 struct intel_raid_map *mmap;
264 if (g_raid_debug < 1)
267 printf("********* ATA Intel MatrixRAID Metadata *********\n");
268 printf("intel_id <%.24s>\n", meta->intel_id);
269 printf("version <%.6s>\n", meta->version);
270 printf("checksum 0x%08x\n", meta->checksum);
271 printf("config_size 0x%08x\n", meta->config_size);
272 printf("config_id 0x%08x\n", meta->config_id);
273 printf("generation 0x%08x\n", meta->generation);
274 printf("attributes 0x%08x\n", meta->attributes);
275 printf("total_disks %u\n", meta->total_disks);
276 printf("total_volumes %u\n", meta->total_volumes);
277 printf("DISK# serial disk_sectors disk_id flags\n");
278 for (i = 0; i < meta->total_disks; i++ ) {
279 printf(" %d <%.16s> %u 0x%08x 0x%08x\n", i,
280 meta->disk[i].serial, meta->disk[i].sectors,
281 meta->disk[i].id, meta->disk[i].flags);
283 for (i = 0; i < meta->total_volumes; i++) {
284 mvol = intel_get_volume(meta, i);
285 printf(" ****** Volume %d ******\n", i);
286 printf(" name %.16s\n", mvol->name);
287 printf(" total_sectors %ju\n", mvol->total_sectors);
288 printf(" state %u\n", mvol->state);
289 printf(" reserved %u\n", mvol->reserved);
290 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
291 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
292 printf(" migr_state %u\n", mvol->migr_state);
293 printf(" migr_type %u\n", mvol->migr_type);
294 printf(" dirty %u\n", mvol->dirty);
296 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
297 printf(" *** Map %d ***\n", j);
298 mmap = intel_get_map(mvol, j);
299 printf(" offset %u\n", mmap->offset);
300 printf(" disk_sectors %u\n", mmap->disk_sectors);
301 printf(" stripe_count %u\n", mmap->stripe_count);
302 printf(" strip_sectors %u\n", mmap->strip_sectors);
303 printf(" status %u\n", mmap->status);
304 printf(" type %u\n", mmap->type);
305 printf(" total_disks %u\n", mmap->total_disks);
306 printf(" total_domains %u\n", mmap->total_domains);
307 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
308 printf(" ddf %u\n", mmap->ddf);
309 printf(" disk_idx ");
310 for (k = 0; k < mmap->total_disks; k++)
311 printf(" 0x%08x", mmap->disk_idx[k]);
315 printf("=================================================\n");
318 static struct intel_raid_conf *
319 intel_meta_copy(struct intel_raid_conf *meta)
321 struct intel_raid_conf *nmeta;
323 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
324 memcpy(nmeta, meta, meta->config_size);
329 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
333 for (pos = 0; pos < meta->total_disks; pos++) {
334 if (strncmp(meta->disk[pos].serial,
335 serial, INTEL_SERIAL_LEN) == 0)
341 static struct intel_raid_conf *
342 intel_meta_read(struct g_consumer *cp)
344 struct g_provider *pp;
345 struct intel_raid_conf *meta;
346 struct intel_raid_vol *mvol;
347 struct intel_raid_map *mmap;
349 int error, i, j, k, left, size;
350 uint32_t checksum, *ptr;
354 /* Read the anchor sector. */
355 buf = g_read_data(cp,
356 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
358 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
362 meta = (struct intel_raid_conf *)buf;
364 /* Check if this is an Intel RAID struct */
365 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
366 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
370 if (meta->config_size > 65536 ||
371 meta->config_size < sizeof(struct intel_raid_conf)) {
372 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
377 size = meta->config_size;
378 meta = malloc(size, M_MD_INTEL, M_WAITOK);
379 memcpy(meta, buf, min(size, pp->sectorsize));
382 /* Read all the rest, if needed. */
383 if (meta->config_size > pp->sectorsize) {
384 left = (meta->config_size - 1) / pp->sectorsize;
385 buf = g_read_data(cp,
386 pp->mediasize - pp->sectorsize * (2 + left),
387 pp->sectorsize * left, &error);
389 G_RAID_DEBUG(1, "Cannot read remaining metadata"
390 " part from %s (error=%d).",
392 free(meta, M_MD_INTEL);
395 memcpy(((char *)meta) + pp->sectorsize, buf,
396 pp->sectorsize * left);
400 /* Check metadata checksum. */
401 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
402 i < (meta->config_size / sizeof(uint32_t)); i++) {
405 checksum -= meta->checksum;
406 if (checksum != meta->checksum) {
407 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
408 free(meta, M_MD_INTEL);
412 /* Validate metadata size. */
413 size = sizeof(struct intel_raid_conf) +
414 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
415 sizeof(struct intel_raid_vol) * meta->total_volumes;
416 if (size > meta->config_size) {
418 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
419 meta->config_size, size);
420 free(meta, M_MD_INTEL);
423 for (i = 0; i < meta->total_volumes; i++) {
424 mvol = intel_get_volume(meta, i);
425 mmap = intel_get_map(mvol, 0);
426 size += 4 * (mmap->total_disks - 1);
427 if (size > meta->config_size)
429 if (mvol->migr_state) {
430 size += sizeof(struct intel_raid_map);
431 if (size > meta->config_size)
433 mmap = intel_get_map(mvol, 1);
434 size += 4 * (mmap->total_disks - 1);
435 if (size > meta->config_size)
440 /* Validate disk indexes. */
441 for (i = 0; i < meta->total_volumes; i++) {
442 mvol = intel_get_volume(meta, i);
443 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
444 mmap = intel_get_map(mvol, j);
445 for (k = 0; k < mmap->total_disks; k++) {
446 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
448 G_RAID_DEBUG(1, "Intel metadata disk"
449 " index %d too big (>%d)",
450 mmap->disk_idx[k] & INTEL_DI_IDX,
452 free(meta, M_MD_INTEL);
459 /* Validate migration types. */
460 for (i = 0; i < meta->total_volumes; i++) {
461 mvol = intel_get_volume(meta, i);
462 if (mvol->migr_state &&
463 mvol->migr_type != INTEL_MT_INIT &&
464 mvol->migr_type != INTEL_MT_REBUILD &&
465 mvol->migr_type != INTEL_MT_VERIFY &&
466 mvol->migr_type != INTEL_MT_REPAIR) {
467 G_RAID_DEBUG(1, "Intel metadata has unsupported"
468 " migration type %d", mvol->migr_type);
469 free(meta, M_MD_INTEL);
478 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
480 struct g_provider *pp;
482 int error, i, sectors;
483 uint32_t checksum, *ptr;
487 /* Recalculate checksum for case if metadata were changed. */
489 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
490 i < (meta->config_size / sizeof(uint32_t)); i++) {
493 meta->checksum = checksum;
495 /* Create and fill buffer. */
496 sectors = (meta->config_size + pp->sectorsize - 1) / pp->sectorsize;
497 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
499 memcpy(buf, ((char *)meta) + pp->sectorsize,
500 (sectors - 1) * pp->sectorsize);
502 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
504 error = g_write_data(cp,
505 pp->mediasize - pp->sectorsize * (1 + sectors),
506 buf, pp->sectorsize * sectors);
508 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
512 free(buf, M_MD_INTEL);
517 intel_meta_erase(struct g_consumer *cp)
519 struct g_provider *pp;
524 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
525 error = g_write_data(cp,
526 pp->mediasize - 2 * pp->sectorsize,
527 buf, pp->sectorsize);
529 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
532 free(buf, M_MD_INTEL);
537 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
539 struct intel_raid_conf *meta;
542 /* Fill anchor and single disk. */
543 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
544 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
545 memcpy(&meta->version[0], INTEL_VERSION_1000,
546 sizeof(INTEL_VERSION_1000) - 1);
547 meta->config_size = INTEL_MAX_MD_SIZE(1);
548 meta->config_id = arc4random();
549 meta->generation = 1;
550 meta->total_disks = 1;
552 error = intel_meta_write(cp, meta);
553 free(meta, M_MD_INTEL);
557 static struct g_raid_disk *
558 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
560 struct g_raid_disk *disk;
561 struct g_raid_md_intel_perdisk *pd;
563 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
564 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
565 if (pd->pd_disk_pos == id)
572 g_raid_md_intel_supported(int level, int qual, int disks, int force)
576 case G_RAID_VOLUME_RL_RAID0:
579 if (!force && (disks < 2 || disks > 6))
582 case G_RAID_VOLUME_RL_RAID1:
585 if (!force && (disks != 2))
588 case G_RAID_VOLUME_RL_RAID1E:
591 if (!force && (disks != 4))
594 case G_RAID_VOLUME_RL_RAID5:
597 if (!force && disks > 6)
603 if (qual != G_RAID_VOLUME_RLQ_NONE)
608 static struct g_raid_volume *
609 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
611 struct g_raid_volume *mvol;
613 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
614 if ((intptr_t)(mvol->v_md_data) == id)
621 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
623 struct g_raid_softc *sc;
624 struct g_raid_subdisk *sd, *tmpsd;
625 struct g_raid_disk *olddisk, *tmpdisk;
626 struct g_raid_md_object *md;
627 struct g_raid_md_intel_object *mdi;
628 struct g_raid_md_intel_perdisk *pd, *oldpd;
629 struct intel_raid_conf *meta;
630 struct intel_raid_vol *mvol;
631 struct intel_raid_map *mmap0, *mmap1;
632 int disk_pos, resurrection = 0;
636 mdi = (struct g_raid_md_intel_object *)md;
637 meta = mdi->mdio_meta;
638 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
641 /* Find disk position in metadata by it's serial. */
642 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
644 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
645 /* Failed stale disk is useless for us. */
646 if (pd->pd_disk_meta.flags & INTEL_F_FAILED) {
647 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
650 /* If we are in the start process, that's all for now. */
651 if (!mdi->mdio_started)
654 * If we have already started - try to get use of the disk.
655 * Try to replace OFFLINE disks first, then FAILED.
657 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
658 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
659 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
661 /* Make sure this disk is big enough. */
662 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
663 if (sd->sd_offset + sd->sd_size + 4096 >
664 (off_t)pd->pd_disk_meta.sectors * 512) {
666 "Disk too small (%llu < %llu)",
667 ((unsigned long long)
668 pd->pd_disk_meta.sectors) * 512,
670 sd->sd_offset + sd->sd_size + 4096);
676 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
679 } else if (olddisk == NULL)
682 if (olddisk == NULL) {
684 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
685 g_raid_change_disk_state(disk,
686 G_RAID_DISK_S_SPARE);
689 g_raid_change_disk_state(disk,
690 G_RAID_DISK_S_STALE);
694 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
695 disk_pos = oldpd->pd_disk_pos;
699 if (olddisk == NULL) {
700 /* Find placeholder by position. */
701 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
703 panic("No disk at position %d!", disk_pos);
704 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
705 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
707 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
710 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
713 /* Replace failed disk or placeholder with new disk. */
714 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
715 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
716 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
719 oldpd->pd_disk_pos = -2;
720 pd->pd_disk_pos = disk_pos;
722 /* If it was placeholder -- destroy it. */
723 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
724 g_raid_destroy_disk(olddisk);
726 /* Otherwise, make it STALE_FAILED. */
727 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
728 /* Update global metadata just in case. */
729 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
730 sizeof(struct intel_raid_disk));
733 /* Welcome the new disk. */
735 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
736 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
737 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
738 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
739 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
741 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
742 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
743 mvol = intel_get_volume(meta,
744 (uintptr_t)(sd->sd_volume->v_md_data));
745 mmap0 = intel_get_map(mvol, 0);
746 if (mvol->migr_state)
747 mmap1 = intel_get_map(mvol, 1);
752 /* Stale disk, almost same as new. */
753 g_raid_change_subdisk_state(sd,
754 G_RAID_SUBDISK_S_NEW);
755 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
756 /* Failed disk, almost useless. */
757 g_raid_change_subdisk_state(sd,
758 G_RAID_SUBDISK_S_FAILED);
759 } else if (mvol->migr_state == 0) {
760 if (mmap0->status == INTEL_S_UNINITIALIZED) {
761 /* Freshly created uninitialized volume. */
762 g_raid_change_subdisk_state(sd,
763 G_RAID_SUBDISK_S_UNINITIALIZED);
764 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
765 /* Freshly inserted disk. */
766 g_raid_change_subdisk_state(sd,
767 G_RAID_SUBDISK_S_NEW);
768 } else if (mvol->dirty) {
769 /* Dirty volume (unclean shutdown). */
770 g_raid_change_subdisk_state(sd,
771 G_RAID_SUBDISK_S_STALE);
773 /* Up to date disk. */
774 g_raid_change_subdisk_state(sd,
775 G_RAID_SUBDISK_S_ACTIVE);
777 } else if (mvol->migr_type == INTEL_MT_INIT ||
778 mvol->migr_type == INTEL_MT_REBUILD) {
779 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
780 /* Freshly inserted disk. */
781 g_raid_change_subdisk_state(sd,
782 G_RAID_SUBDISK_S_NEW);
783 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
784 /* Rebuilding disk. */
785 g_raid_change_subdisk_state(sd,
786 G_RAID_SUBDISK_S_REBUILD);
788 sd->sd_rebuild_pos = 0;
791 (off_t)mvol->curr_migr_unit *
792 sd->sd_volume->v_strip_size *
793 mmap0->total_domains;
795 } else if (mvol->dirty) {
796 /* Dirty volume (unclean shutdown). */
797 g_raid_change_subdisk_state(sd,
798 G_RAID_SUBDISK_S_STALE);
800 /* Up to date disk. */
801 g_raid_change_subdisk_state(sd,
802 G_RAID_SUBDISK_S_ACTIVE);
804 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
805 mvol->migr_type == INTEL_MT_REPAIR) {
806 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
807 /* Freshly inserted disk. */
808 g_raid_change_subdisk_state(sd,
809 G_RAID_SUBDISK_S_NEW);
810 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
811 /* Resyncing disk. */
812 g_raid_change_subdisk_state(sd,
813 G_RAID_SUBDISK_S_RESYNC);
815 sd->sd_rebuild_pos = 0;
818 (off_t)mvol->curr_migr_unit *
819 sd->sd_volume->v_strip_size *
820 mmap0->total_domains;
822 } else if (mvol->dirty) {
823 /* Dirty volume (unclean shutdown). */
824 g_raid_change_subdisk_state(sd,
825 G_RAID_SUBDISK_S_STALE);
827 /* Up to date disk. */
828 g_raid_change_subdisk_state(sd,
829 G_RAID_SUBDISK_S_ACTIVE);
832 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
833 G_RAID_EVENT_SUBDISK);
836 /* Update status of our need for spare. */
837 if (mdi->mdio_started) {
838 mdi->mdio_incomplete =
839 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
843 return (resurrection);
847 g_disk_md_intel_retaste(void *arg, int pending)
850 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
851 g_retaste(&g_raid_class);
852 free(arg, M_MD_INTEL);
856 g_raid_md_intel_refill(struct g_raid_softc *sc)
858 struct g_raid_md_object *md;
859 struct g_raid_md_intel_object *mdi;
860 struct intel_raid_conf *meta;
861 struct g_raid_disk *disk;
866 mdi = (struct g_raid_md_intel_object *)md;
867 meta = mdi->mdio_meta;
870 /* Make sure we miss anything. */
871 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE);
872 if (na == meta->total_disks)
875 G_RAID_DEBUG1(1, md->mdo_softc,
876 "Array is not complete (%d of %d), "
877 "trying to refill.", na, meta->total_disks);
879 /* Try to get use some of STALE disks. */
880 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
881 if (disk->d_state == G_RAID_DISK_S_STALE) {
882 update += g_raid_md_intel_start_disk(disk);
883 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
890 /* Try to get use some of SPARE disks. */
891 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
892 if (disk->d_state == G_RAID_DISK_S_SPARE) {
893 update += g_raid_md_intel_start_disk(disk);
894 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
898 } while (disk != NULL);
900 /* Write new metadata if we changed something. */
902 g_raid_md_write_intel(md, NULL, NULL, NULL);
903 meta = mdi->mdio_meta;
906 /* Update status of our need for spare. */
907 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) <
910 /* Request retaste hoping to find spare. */
911 if (mdi->mdio_incomplete) {
912 task = malloc(sizeof(struct task),
913 M_MD_INTEL, M_WAITOK | M_ZERO);
914 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
915 taskqueue_enqueue(taskqueue_swi, task);
920 g_raid_md_intel_start(struct g_raid_softc *sc)
922 struct g_raid_md_object *md;
923 struct g_raid_md_intel_object *mdi;
924 struct g_raid_md_intel_perdisk *pd;
925 struct intel_raid_conf *meta;
926 struct intel_raid_vol *mvol;
927 struct intel_raid_map *mmap;
928 struct g_raid_volume *vol;
929 struct g_raid_subdisk *sd;
930 struct g_raid_disk *disk;
934 mdi = (struct g_raid_md_intel_object *)md;
935 meta = mdi->mdio_meta;
937 /* Create volumes and subdisks. */
938 for (i = 0; i < meta->total_volumes; i++) {
939 mvol = intel_get_volume(meta, i);
940 mmap = intel_get_map(mvol, 0);
941 vol = g_raid_create_volume(sc, mvol->name, -1);
942 vol->v_md_data = (void *)(intptr_t)i;
943 if (mmap->type == INTEL_T_RAID0)
944 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
945 else if (mmap->type == INTEL_T_RAID1 &&
946 mmap->total_domains >= 2 &&
947 mmap->total_domains <= mmap->total_disks) {
948 /* Assume total_domains is correct. */
949 if (mmap->total_domains == mmap->total_disks)
950 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
952 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
953 } else if (mmap->type == INTEL_T_RAID1) {
954 /* total_domains looks wrong. */
955 if (mmap->total_disks <= 2)
956 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
958 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
959 } else if (mmap->type == INTEL_T_RAID5)
960 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
962 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
963 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
964 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
965 vol->v_disks_count = mmap->total_disks;
966 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
967 vol->v_sectorsize = 512; //ZZZ
968 for (j = 0; j < vol->v_disks_count; j++) {
969 sd = &vol->v_subdisks[j];
970 sd->sd_offset = (off_t)mmap->offset * 512; //ZZZ
971 sd->sd_size = (off_t)mmap->disk_sectors * 512; //ZZZ
973 g_raid_start_volume(vol);
976 /* Create disk placeholders to store data for later writing. */
977 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
978 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
979 pd->pd_disk_pos = disk_pos;
980 pd->pd_disk_meta = meta->disk[disk_pos];
981 disk = g_raid_create_disk(sc);
982 disk->d_md_data = (void *)pd;
983 disk->d_state = G_RAID_DISK_S_OFFLINE;
984 for (i = 0; i < meta->total_volumes; i++) {
985 mvol = intel_get_volume(meta, i);
986 mmap = intel_get_map(mvol, 0);
987 for (j = 0; j < mmap->total_disks; j++) {
988 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
991 if (j == mmap->total_disks)
993 vol = g_raid_md_intel_get_volume(sc, i);
994 sd = &vol->v_subdisks[j];
996 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1000 /* Make all disks found till the moment take their places. */
1002 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1003 if (disk->d_state == G_RAID_DISK_S_NONE) {
1004 g_raid_md_intel_start_disk(disk);
1008 } while (disk != NULL);
1010 mdi->mdio_started = 1;
1011 G_RAID_DEBUG1(0, sc, "Array started.");
1012 g_raid_md_write_intel(md, NULL, NULL, NULL);
1014 /* Pickup any STALE/SPARE disks to refill array if needed. */
1015 g_raid_md_intel_refill(sc);
1017 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1018 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1019 G_RAID_EVENT_VOLUME);
1022 callout_stop(&mdi->mdio_start_co);
1023 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1024 root_mount_rel(mdi->mdio_rootmount);
1025 mdi->mdio_rootmount = NULL;
1029 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1031 struct g_raid_softc *sc;
1032 struct g_raid_md_object *md;
1033 struct g_raid_md_intel_object *mdi;
1034 struct intel_raid_conf *pdmeta;
1035 struct g_raid_md_intel_perdisk *pd;
1039 mdi = (struct g_raid_md_intel_object *)md;
1040 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1041 pdmeta = pd->pd_meta;
1043 if (mdi->mdio_started) {
1044 if (g_raid_md_intel_start_disk(disk))
1045 g_raid_md_write_intel(md, NULL, NULL, NULL);
1047 /* If we haven't started yet - check metadata freshness. */
1048 if (mdi->mdio_meta == NULL ||
1049 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1050 G_RAID_DEBUG1(1, sc, "Newer disk");
1051 if (mdi->mdio_meta != NULL)
1052 free(mdi->mdio_meta, M_MD_INTEL);
1053 mdi->mdio_meta = intel_meta_copy(pdmeta);
1054 mdi->mdio_generation = mdi->mdio_meta->generation;
1055 mdi->mdio_disks_present = 1;
1056 } else if (pdmeta->generation == mdi->mdio_generation) {
1057 mdi->mdio_disks_present++;
1058 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1059 mdi->mdio_disks_present,
1060 mdi->mdio_meta->total_disks);
1062 G_RAID_DEBUG1(1, sc, "Older disk");
1064 /* If we collected all needed disks - start array. */
1065 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1066 g_raid_md_intel_start(sc);
1071 g_raid_intel_go(void *arg)
1073 struct g_raid_softc *sc;
1074 struct g_raid_md_object *md;
1075 struct g_raid_md_intel_object *mdi;
1079 mdi = (struct g_raid_md_intel_object *)md;
1080 if (!mdi->mdio_started) {
1081 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1082 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1087 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1090 struct g_raid_softc *sc;
1091 struct g_raid_md_intel_object *mdi;
1094 mdi = (struct g_raid_md_intel_object *)md;
1095 mdi->mdio_config_id = arc4random();
1096 mdi->mdio_generation = 0;
1097 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1098 sc = g_raid_create_node(mp, name, md);
1100 return (G_RAID_MD_TASTE_FAIL);
1103 return (G_RAID_MD_TASTE_NEW);
1107 * Return the last N characters of the serial label. The Linux and
1108 * ataraid(7) code always uses the last 16 characters of the label to
1109 * store into the Intel meta format. Generalize this to N characters
1110 * since that's easy. Labels can be up to 20 characters for SATA drives
1111 * and up 251 characters for SAS drives. Since intel controllers don't
1112 * support SAS drives, just stick with the SATA limits for stack friendliness.
1115 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1117 char serial_buffer[24];
1120 len = sizeof(serial_buffer);
1121 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1124 len = strlen(serial_buffer);
1129 strncpy(serial, serial_buffer + len, serlen);
1134 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1135 struct g_consumer *cp, struct g_geom **gp)
1137 struct g_consumer *rcp;
1138 struct g_provider *pp;
1139 struct g_raid_md_intel_object *mdi, *mdi1;
1140 struct g_raid_softc *sc;
1141 struct g_raid_disk *disk;
1142 struct intel_raid_conf *meta;
1143 struct g_raid_md_intel_perdisk *pd;
1144 struct g_geom *geom;
1145 int error, disk_pos, result, spare, len;
1146 char serial[INTEL_SERIAL_LEN];
1150 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1151 mdi = (struct g_raid_md_intel_object *)md;
1154 /* Read metadata from device. */
1158 if (g_access(cp, 1, 0, 0) != 0)
1159 return (G_RAID_MD_TASTE_FAIL);
1160 g_topology_unlock();
1161 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1163 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1168 if (pp->geom->rank == 1)
1169 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1170 meta = intel_meta_read(cp);
1172 g_access(cp, -1, 0, 0);
1174 if (g_raid_aggressive_spare) {
1175 if (vendor == 0x8086) {
1177 "No Intel metadata, forcing spare.");
1182 "Intel vendor mismatch 0x%04x != 0x8086",
1186 return (G_RAID_MD_TASTE_FAIL);
1189 /* Check this disk position in obtained metadata. */
1190 disk_pos = intel_meta_find_disk(meta, serial);
1192 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1195 if (meta->disk[disk_pos].sectors !=
1196 (pp->mediasize / pp->sectorsize)) {
1197 G_RAID_DEBUG(1, "Intel size mismatch %u != %u",
1198 meta->disk[disk_pos].sectors,
1199 (u_int)(pp->mediasize / pp->sectorsize));
1203 /* Metadata valid. Print it. */
1204 g_raid_md_intel_print(meta);
1205 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1206 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1209 /* Search for matching node. */
1212 LIST_FOREACH(geom, &mp->geom, geom) {
1216 if (sc->sc_stopping != 0)
1218 if (sc->sc_md->mdo_class != md->mdo_class)
1220 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1222 if (mdi1->mdio_incomplete)
1225 if (mdi1->mdio_config_id == meta->config_id)
1230 /* Found matching node. */
1232 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1233 result = G_RAID_MD_TASTE_EXISTING;
1235 } else if (spare) { /* Not found needy node -- left for later. */
1236 G_RAID_DEBUG(1, "Spare is not needed at this time");
1239 } else { /* Not found matching node -- create one. */
1240 result = G_RAID_MD_TASTE_NEW;
1241 mdi->mdio_config_id = meta->config_id;
1242 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1243 sc = g_raid_create_node(mp, name, md);
1246 callout_init(&mdi->mdio_start_co, 1);
1247 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1248 g_raid_intel_go, sc);
1249 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1250 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1253 rcp = g_new_consumer(geom);
1255 if (g_access(rcp, 1, 1, 1) != 0)
1258 g_topology_unlock();
1259 sx_xlock(&sc->sc_lock);
1261 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1263 pd->pd_disk_pos = -1;
1265 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1266 pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize;
1267 pd->pd_disk_meta.id = 0;
1268 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1270 pd->pd_disk_meta = meta->disk[disk_pos];
1272 disk = g_raid_create_disk(sc);
1273 disk->d_md_data = (void *)pd;
1274 disk->d_consumer = rcp;
1275 rcp->private = disk;
1277 /* Read kernel dumping information. */
1278 disk->d_kd.offset = 0;
1279 disk->d_kd.length = OFF_MAX;
1280 len = sizeof(disk->d_kd);
1281 error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd);
1282 if (disk->d_kd.di.dumper == NULL)
1283 G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.",
1284 rcp->provider->name, error);
1286 g_raid_md_intel_new_disk(disk);
1288 sx_xunlock(&sc->sc_lock);
1294 g_access(cp, -1, 0, 0);
1296 free(meta, M_MD_INTEL);
1297 return (G_RAID_MD_TASTE_FAIL);
1301 g_raid_md_event_intel(struct g_raid_md_object *md,
1302 struct g_raid_disk *disk, u_int event)
1304 struct g_raid_softc *sc;
1305 struct g_raid_subdisk *sd;
1306 struct g_raid_md_intel_object *mdi;
1307 struct g_raid_md_intel_perdisk *pd;
1310 mdi = (struct g_raid_md_intel_object *)md;
1313 case G_RAID_NODE_E_START:
1314 if (!mdi->mdio_started)
1315 g_raid_md_intel_start(sc);
1320 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1322 case G_RAID_DISK_E_DISCONNECTED:
1323 /* If disk was assigned, just update statuses. */
1324 if (pd->pd_disk_pos >= 0) {
1325 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1326 if (disk->d_consumer) {
1327 g_raid_kill_consumer(sc, disk->d_consumer);
1328 disk->d_consumer = NULL;
1330 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1331 g_raid_change_subdisk_state(sd,
1332 G_RAID_SUBDISK_S_NONE);
1333 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1334 G_RAID_EVENT_SUBDISK);
1337 /* Otherwise -- delete. */
1338 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1339 g_raid_destroy_disk(disk);
1342 /* Write updated metadata to all disks. */
1343 g_raid_md_write_intel(md, NULL, NULL, NULL);
1345 /* Check if anything left except placeholders. */
1346 if (g_raid_ndisks(sc, -1) ==
1347 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1348 g_raid_destroy_node(sc, 0);
1350 g_raid_md_intel_refill(sc);
1357 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1358 struct gctl_req *req)
1360 struct g_raid_softc *sc;
1361 struct g_raid_volume *vol, *vol1;
1362 struct g_raid_subdisk *sd;
1363 struct g_raid_disk *disk;
1364 struct g_raid_md_intel_object *mdi;
1365 struct g_raid_md_intel_perdisk *pd;
1366 struct g_consumer *cp;
1367 struct g_provider *pp;
1368 char arg[16], serial[INTEL_SERIAL_LEN];
1369 const char *verb, *volname, *levelname, *diskname;
1372 off_t off, size, sectorsize, strip;
1373 intmax_t *sizearg, *striparg;
1374 int numdisks, i, len, level, qual, update;
1378 mdi = (struct g_raid_md_intel_object *)md;
1379 verb = gctl_get_param(req, "verb", NULL);
1380 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1382 if (strcmp(verb, "label") == 0) {
1385 gctl_error(req, "Invalid number of arguments.");
1388 volname = gctl_get_asciiparam(req, "arg1");
1389 if (volname == NULL) {
1390 gctl_error(req, "No volume name.");
1393 levelname = gctl_get_asciiparam(req, "arg2");
1394 if (levelname == NULL) {
1395 gctl_error(req, "No RAID level.");
1398 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1399 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1402 numdisks = *nargs - 3;
1403 force = gctl_get_paraml(req, "force", sizeof(*force));
1404 if (!g_raid_md_intel_supported(level, qual, numdisks,
1405 force ? *force : 0)) {
1406 gctl_error(req, "Unsupported RAID level "
1407 "(0x%02x/0x%02x), or number of disks (%d).",
1408 level, qual, numdisks);
1412 /* Search for disks, connect them and probe. */
1413 size = 0x7fffffffffffffffllu;
1415 for (i = 0; i < numdisks; i++) {
1416 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1417 diskname = gctl_get_asciiparam(req, arg);
1418 if (diskname == NULL) {
1419 gctl_error(req, "No disk name (%s).", arg);
1423 if (strcmp(diskname, "NONE") == 0) {
1428 cp = g_raid_open_consumer(sc, diskname);
1430 gctl_error(req, "Can't open disk '%s'.",
1432 g_topology_unlock();
1438 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1439 pd->pd_disk_pos = i;
1440 disk = g_raid_create_disk(sc);
1441 disk->d_md_data = (void *)pd;
1442 disk->d_consumer = cp;
1444 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1445 pd->pd_disk_meta.id = 0xffffffff;
1446 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1450 g_topology_unlock();
1452 error = g_raid_md_get_label(cp,
1453 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1456 "Can't get serial for provider '%s'.",
1462 /* Read kernel dumping information. */
1463 disk->d_kd.offset = 0;
1464 disk->d_kd.length = OFF_MAX;
1465 len = sizeof(disk->d_kd);
1466 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1467 if (disk->d_kd.di.dumper == NULL)
1468 G_RAID_DEBUG1(2, sc,
1469 "Dumping not supported by %s.",
1470 cp->provider->name);
1472 pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize;
1473 if (size > pp->mediasize)
1474 size = pp->mediasize;
1475 if (sectorsize < pp->sectorsize)
1476 sectorsize = pp->sectorsize;
1477 pd->pd_disk_meta.id = 0;
1478 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1483 if (sectorsize <= 0) {
1484 gctl_error(req, "Can't get sector size.");
1488 /* Reserve some space for metadata. */
1489 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1491 /* Handle size argument. */
1492 len = sizeof(*sizearg);
1493 sizearg = gctl_get_param(req, "size", &len);
1494 if (sizearg != NULL && len == sizeof(*sizearg) &&
1496 if (*sizearg > size) {
1497 gctl_error(req, "Size too big %lld > %lld.",
1498 (long long)*sizearg, (long long)size);
1504 /* Handle strip argument. */
1506 len = sizeof(*striparg);
1507 striparg = gctl_get_param(req, "strip", &len);
1508 if (striparg != NULL && len == sizeof(*striparg) &&
1510 if (*striparg < sectorsize) {
1511 gctl_error(req, "Strip size too small.");
1514 if (*striparg % sectorsize != 0) {
1515 gctl_error(req, "Incorrect strip size.");
1518 if (strip > 65535 * sectorsize) {
1519 gctl_error(req, "Strip size too big.");
1525 /* Round size down to strip or sector. */
1526 if (level == G_RAID_VOLUME_RL_RAID1)
1527 size -= (size % sectorsize);
1528 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1529 (numdisks & 1) != 0)
1530 size -= (size % (2 * strip));
1532 size -= (size % strip);
1534 gctl_error(req, "Size too small.");
1537 if (size > 0xffffffffllu * sectorsize) {
1538 gctl_error(req, "Size too big.");
1542 /* We have all we need, create things: volume, ... */
1543 mdi->mdio_started = 1;
1544 vol = g_raid_create_volume(sc, volname, -1);
1545 vol->v_md_data = (void *)(intptr_t)0;
1546 vol->v_raid_level = level;
1547 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1548 vol->v_strip_size = strip;
1549 vol->v_disks_count = numdisks;
1550 if (level == G_RAID_VOLUME_RL_RAID0)
1551 vol->v_mediasize = size * numdisks;
1552 else if (level == G_RAID_VOLUME_RL_RAID1)
1553 vol->v_mediasize = size;
1554 else if (level == G_RAID_VOLUME_RL_RAID5)
1555 vol->v_mediasize = size * (numdisks - 1);
1557 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1560 vol->v_sectorsize = sectorsize;
1561 g_raid_start_volume(vol);
1563 /* , and subdisks. */
1564 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1565 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1566 sd = &vol->v_subdisks[pd->pd_disk_pos];
1570 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1571 if (sd->sd_disk->d_consumer != NULL) {
1572 g_raid_change_disk_state(disk,
1573 G_RAID_DISK_S_ACTIVE);
1574 g_raid_change_subdisk_state(sd,
1575 G_RAID_SUBDISK_S_ACTIVE);
1576 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1577 G_RAID_EVENT_SUBDISK);
1579 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1583 /* Write metadata based on created entities. */
1584 G_RAID_DEBUG1(0, sc, "Array started.");
1585 g_raid_md_write_intel(md, NULL, NULL, NULL);
1587 /* Pickup any STALE/SPARE disks to refill array if needed. */
1588 g_raid_md_intel_refill(sc);
1590 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1591 G_RAID_EVENT_VOLUME);
1594 if (strcmp(verb, "add") == 0) {
1597 gctl_error(req, "Invalid number of arguments.");
1600 volname = gctl_get_asciiparam(req, "arg1");
1601 if (volname == NULL) {
1602 gctl_error(req, "No volume name.");
1605 levelname = gctl_get_asciiparam(req, "arg2");
1606 if (levelname == NULL) {
1607 gctl_error(req, "No RAID level.");
1610 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1611 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1615 /* Look for existing volumes. */
1618 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1623 gctl_error(req, "Maximum two volumes supported.");
1627 gctl_error(req, "At least one volume must exist.");
1631 numdisks = vol1->v_disks_count;
1632 force = gctl_get_paraml(req, "force", sizeof(*force));
1633 if (!g_raid_md_intel_supported(level, qual, numdisks,
1634 force ? *force : 0)) {
1635 gctl_error(req, "Unsupported RAID level "
1636 "(0x%02x/0x%02x), or number of disks (%d).",
1637 level, qual, numdisks);
1641 /* Collect info about present disks. */
1642 size = 0x7fffffffffffffffllu;
1644 for (i = 0; i < numdisks; i++) {
1645 disk = vol1->v_subdisks[i].sd_disk;
1646 pd = (struct g_raid_md_intel_perdisk *)
1648 if ((off_t)pd->pd_disk_meta.sectors * 512 < size)
1649 size = (off_t)pd->pd_disk_meta.sectors * 512;
1650 if (disk->d_consumer != NULL &&
1651 disk->d_consumer->provider != NULL &&
1652 disk->d_consumer->provider->sectorsize >
1655 disk->d_consumer->provider->sectorsize;
1659 /* Reserve some space for metadata. */
1660 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1662 /* Decide insert before or after. */
1663 sd = &vol1->v_subdisks[0];
1665 size - (sd->sd_offset + sd->sd_size)) {
1667 size = sd->sd_offset;
1669 off = sd->sd_offset + sd->sd_size;
1670 size = size - (sd->sd_offset + sd->sd_size);
1673 /* Handle strip argument. */
1675 len = sizeof(*striparg);
1676 striparg = gctl_get_param(req, "strip", &len);
1677 if (striparg != NULL && len == sizeof(*striparg) &&
1679 if (*striparg < sectorsize) {
1680 gctl_error(req, "Strip size too small.");
1683 if (*striparg % sectorsize != 0) {
1684 gctl_error(req, "Incorrect strip size.");
1687 if (strip > 65535 * sectorsize) {
1688 gctl_error(req, "Strip size too big.");
1694 /* Round offset up to strip. */
1695 if (off % strip != 0) {
1696 size -= strip - off % strip;
1697 off += strip - off % strip;
1700 /* Handle size argument. */
1701 len = sizeof(*sizearg);
1702 sizearg = gctl_get_param(req, "size", &len);
1703 if (sizearg != NULL && len == sizeof(*sizearg) &&
1705 if (*sizearg > size) {
1706 gctl_error(req, "Size too big %lld > %lld.",
1707 (long long)*sizearg, (long long)size);
1713 /* Round size down to strip or sector. */
1714 if (level == G_RAID_VOLUME_RL_RAID1)
1715 size -= (size % sectorsize);
1717 size -= (size % strip);
1719 gctl_error(req, "Size too small.");
1722 if (size > 0xffffffffllu * sectorsize) {
1723 gctl_error(req, "Size too big.");
1727 /* We have all we need, create things: volume, ... */
1728 vol = g_raid_create_volume(sc, volname, -1);
1729 vol->v_md_data = (void *)(intptr_t)i;
1730 vol->v_raid_level = level;
1731 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1732 vol->v_strip_size = strip;
1733 vol->v_disks_count = numdisks;
1734 if (level == G_RAID_VOLUME_RL_RAID0)
1735 vol->v_mediasize = size * numdisks;
1736 else if (level == G_RAID_VOLUME_RL_RAID1)
1737 vol->v_mediasize = size;
1738 else if (level == G_RAID_VOLUME_RL_RAID5)
1739 vol->v_mediasize = size * (numdisks - 1);
1741 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1744 vol->v_sectorsize = sectorsize;
1745 g_raid_start_volume(vol);
1747 /* , and subdisks. */
1748 for (i = 0; i < numdisks; i++) {
1749 disk = vol1->v_subdisks[i].sd_disk;
1750 sd = &vol->v_subdisks[i];
1752 sd->sd_offset = off;
1754 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1755 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
1756 g_raid_change_subdisk_state(sd,
1757 G_RAID_SUBDISK_S_ACTIVE);
1758 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1759 G_RAID_EVENT_SUBDISK);
1763 /* Write metadata based on created entities. */
1764 g_raid_md_write_intel(md, NULL, NULL, NULL);
1766 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1767 G_RAID_EVENT_VOLUME);
1770 if (strcmp(verb, "delete") == 0) {
1772 /* Full node destruction. */
1774 /* Check if some volume is still open. */
1775 force = gctl_get_paraml(req, "force", sizeof(*force));
1776 if (force != NULL && *force == 0 &&
1777 g_raid_nopens(sc) != 0) {
1778 gctl_error(req, "Some volume is still open.");
1782 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1783 if (disk->d_consumer)
1784 intel_meta_erase(disk->d_consumer);
1786 g_raid_destroy_node(sc, 0);
1790 /* Destroy specified volume. If it was last - all node. */
1792 gctl_error(req, "Invalid number of arguments.");
1795 volname = gctl_get_asciiparam(req, "arg1");
1796 if (volname == NULL) {
1797 gctl_error(req, "No volume name.");
1801 /* Search for volume. */
1802 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1803 if (strcmp(vol->v_name, volname) == 0)
1807 i = strtol(volname, &tmp, 10);
1808 if (verb != volname && tmp[0] == 0) {
1809 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1810 if (vol->v_global_id == i)
1816 gctl_error(req, "Volume '%s' not found.", volname);
1820 /* Check if volume is still open. */
1821 force = gctl_get_paraml(req, "force", sizeof(*force));
1822 if (force != NULL && *force == 0 &&
1823 vol->v_provider_open != 0) {
1824 gctl_error(req, "Volume is still open.");
1828 /* Destroy volume and potentially node. */
1830 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
1833 g_raid_destroy_volume(vol);
1834 g_raid_md_write_intel(md, NULL, NULL, NULL);
1836 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1837 if (disk->d_consumer)
1838 intel_meta_erase(disk->d_consumer);
1840 g_raid_destroy_node(sc, 0);
1844 if (strcmp(verb, "remove") == 0 ||
1845 strcmp(verb, "fail") == 0) {
1847 gctl_error(req, "Invalid number of arguments.");
1850 for (i = 1; i < *nargs; i++) {
1851 snprintf(arg, sizeof(arg), "arg%d", i);
1852 diskname = gctl_get_asciiparam(req, arg);
1853 if (diskname == NULL) {
1854 gctl_error(req, "No disk name (%s).", arg);
1858 if (strncmp(diskname, "/dev/", 5) == 0)
1861 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1862 if (disk->d_consumer != NULL &&
1863 disk->d_consumer->provider != NULL &&
1864 strcmp(disk->d_consumer->provider->name,
1869 gctl_error(req, "Disk '%s' not found.",
1875 if (strcmp(verb, "fail") == 0) {
1876 g_raid_md_fail_disk_intel(md, NULL, disk);
1880 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1882 /* Erase metadata on deleting disk. */
1883 intel_meta_erase(disk->d_consumer);
1885 /* If disk was assigned, just update statuses. */
1886 if (pd->pd_disk_pos >= 0) {
1887 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1888 g_raid_kill_consumer(sc, disk->d_consumer);
1889 disk->d_consumer = NULL;
1890 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1891 g_raid_change_subdisk_state(sd,
1892 G_RAID_SUBDISK_S_NONE);
1893 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1894 G_RAID_EVENT_SUBDISK);
1897 /* Otherwise -- delete. */
1898 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1899 g_raid_destroy_disk(disk);
1903 /* Write updated metadata to remaining disks. */
1904 g_raid_md_write_intel(md, NULL, NULL, NULL);
1906 /* Check if anything left except placeholders. */
1907 if (g_raid_ndisks(sc, -1) ==
1908 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1909 g_raid_destroy_node(sc, 0);
1911 g_raid_md_intel_refill(sc);
1914 if (strcmp(verb, "insert") == 0) {
1916 gctl_error(req, "Invalid number of arguments.");
1920 for (i = 1; i < *nargs; i++) {
1921 /* Get disk name. */
1922 snprintf(arg, sizeof(arg), "arg%d", i);
1923 diskname = gctl_get_asciiparam(req, arg);
1924 if (diskname == NULL) {
1925 gctl_error(req, "No disk name (%s).", arg);
1930 /* Try to find provider with specified name. */
1932 cp = g_raid_open_consumer(sc, diskname);
1934 gctl_error(req, "Can't open disk '%s'.",
1936 g_topology_unlock();
1941 g_topology_unlock();
1943 /* Read disk serial. */
1944 error = g_raid_md_get_label(cp,
1945 &serial[0], INTEL_SERIAL_LEN);
1948 "Can't get serial for provider '%s'.",
1950 g_raid_kill_consumer(sc, cp);
1955 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1956 pd->pd_disk_pos = -1;
1958 disk = g_raid_create_disk(sc);
1959 disk->d_consumer = cp;
1960 disk->d_md_data = (void *)pd;
1963 /* Read kernel dumping information. */
1964 disk->d_kd.offset = 0;
1965 disk->d_kd.length = OFF_MAX;
1966 len = sizeof(disk->d_kd);
1967 g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd);
1968 if (disk->d_kd.di.dumper == NULL)
1969 G_RAID_DEBUG1(2, sc,
1970 "Dumping not supported by %s.",
1971 cp->provider->name);
1973 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
1975 pd->pd_disk_meta.sectors = pp->mediasize / pp->sectorsize;
1976 pd->pd_disk_meta.id = 0;
1977 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1979 /* Welcome the "new" disk. */
1980 update += g_raid_md_intel_start_disk(disk);
1981 if (disk->d_state == G_RAID_DISK_S_SPARE) {
1982 intel_meta_write_spare(cp, &pd->pd_disk_meta);
1983 g_raid_destroy_disk(disk);
1984 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
1985 gctl_error(req, "Disk '%s' doesn't fit.",
1987 g_raid_destroy_disk(disk);
1993 /* Write new metadata if we changed something. */
1995 g_raid_md_write_intel(md, NULL, NULL, NULL);
2002 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2003 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2005 struct g_raid_softc *sc;
2006 struct g_raid_volume *vol;
2007 struct g_raid_subdisk *sd;
2008 struct g_raid_disk *disk;
2009 struct g_raid_md_intel_object *mdi;
2010 struct g_raid_md_intel_perdisk *pd;
2011 struct intel_raid_conf *meta;
2012 struct intel_raid_vol *mvol;
2013 struct intel_raid_map *mmap0, *mmap1;
2014 off_t sectorsize = 512, pos;
2015 const char *version, *cv;
2016 int vi, sdi, numdisks, len, state, stale;
2019 mdi = (struct g_raid_md_intel_object *)md;
2021 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2024 /* Bump generation. Newly written metadata may differ from previous. */
2025 mdi->mdio_generation++;
2027 /* Count number of disks. */
2029 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2030 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2031 if (pd->pd_disk_pos < 0)
2034 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2035 pd->pd_disk_meta.flags =
2036 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2037 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2038 pd->pd_disk_meta.flags = INTEL_F_FAILED | INTEL_F_ASSIGNED;
2040 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2041 if (pd->pd_disk_meta.id != 0xffffffff) {
2042 pd->pd_disk_meta.id = 0xffffffff;
2043 len = strlen(pd->pd_disk_meta.serial);
2044 len = min(len, INTEL_SERIAL_LEN - 3);
2045 strcpy(pd->pd_disk_meta.serial + len, ":0");
2050 /* Fill anchor and disks. */
2051 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2052 M_MD_INTEL, M_WAITOK | M_ZERO);
2053 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2054 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2055 meta->config_id = mdi->mdio_config_id;
2056 meta->generation = mdi->mdio_generation;
2057 meta->attributes = INTEL_ATTR_CHECKSUM;
2058 meta->total_disks = numdisks;
2059 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2060 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2061 if (pd->pd_disk_pos < 0)
2063 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2066 /* Fill volumes and maps. */
2068 version = INTEL_VERSION_1000;
2069 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2070 if (vol->v_stopping)
2072 mvol = intel_get_volume(meta, vi);
2074 /* New metadata may have different volumes order. */
2075 vol->v_md_data = (void *)(intptr_t)vi;
2077 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2078 sd = &vol->v_subdisks[sdi];
2079 if (sd->sd_disk != NULL)
2082 if (sdi >= vol->v_disks_count)
2083 panic("No any filled subdisk in volume");
2084 if (vol->v_mediasize >= 0x20000000000llu)
2085 meta->attributes |= INTEL_ATTR_2TB;
2086 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2087 meta->attributes |= INTEL_ATTR_RAID0;
2088 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2089 meta->attributes |= INTEL_ATTR_RAID1;
2090 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2091 meta->attributes |= INTEL_ATTR_RAID5;
2093 meta->attributes |= INTEL_ATTR_RAID10;
2095 if (meta->attributes & INTEL_ATTR_2TB)
2096 cv = INTEL_VERSION_1300;
2097 // else if (dev->status == DEV_CLONE_N_GO)
2098 // cv = INTEL_VERSION_1206;
2099 else if (vol->v_disks_count > 4)
2100 cv = INTEL_VERSION_1204;
2101 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2102 cv = INTEL_VERSION_1202;
2103 else if (vol->v_disks_count > 2)
2104 cv = INTEL_VERSION_1201;
2106 cv = INTEL_VERSION_1200;
2107 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2108 cv = INTEL_VERSION_1100;
2110 cv = INTEL_VERSION_1000;
2111 if (strcmp(cv, version) > 0)
2114 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2115 mvol->total_sectors = vol->v_mediasize / sectorsize;
2117 /* Check for any recovery in progress. */
2118 state = G_RAID_SUBDISK_S_ACTIVE;
2119 pos = 0x7fffffffffffffffllu;
2121 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2122 sd = &vol->v_subdisks[sdi];
2123 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2124 state = G_RAID_SUBDISK_S_REBUILD;
2125 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2126 state != G_RAID_SUBDISK_S_REBUILD)
2127 state = G_RAID_SUBDISK_S_RESYNC;
2128 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2130 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2131 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2132 sd->sd_rebuild_pos < pos)
2133 pos = sd->sd_rebuild_pos;
2135 if (state == G_RAID_SUBDISK_S_REBUILD) {
2136 mvol->migr_state = 1;
2137 mvol->migr_type = INTEL_MT_REBUILD;
2138 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2139 mvol->migr_state = 1;
2140 /* mvol->migr_type = INTEL_MT_REPAIR; */
2141 mvol->migr_type = INTEL_MT_VERIFY;
2142 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2144 mvol->migr_state = 0;
2145 mvol->dirty = (vol->v_dirty || stale);
2147 mmap0 = intel_get_map(mvol, 0);
2149 /* Write map / common part of two maps. */
2150 mmap0->offset = sd->sd_offset / sectorsize;
2151 mmap0->disk_sectors = sd->sd_size / sectorsize;
2152 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2153 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2154 mmap0->status = INTEL_S_FAILURE;
2155 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2156 mmap0->status = INTEL_S_DEGRADED;
2158 mmap0->status = INTEL_S_READY;
2159 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2160 mmap0->type = INTEL_T_RAID0;
2161 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2162 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2163 mmap0->type = INTEL_T_RAID1;
2165 mmap0->type = INTEL_T_RAID5;
2166 mmap0->total_disks = vol->v_disks_count;
2167 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2168 mmap0->total_domains = vol->v_disks_count;
2169 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2170 mmap0->total_domains = 2;
2172 mmap0->total_domains = 1;
2173 mmap0->stripe_count = sd->sd_size / vol->v_strip_size /
2174 mmap0->total_domains;
2175 mmap0->failed_disk_num = 0xff;
2178 /* If there are two maps - copy common and update. */
2179 if (mvol->migr_state) {
2180 mvol->curr_migr_unit = pos /
2181 vol->v_strip_size / mmap0->total_domains;
2182 mmap1 = intel_get_map(mvol, 1);
2183 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2184 mmap0->status = INTEL_S_READY;
2188 /* Write disk indexes and put rebuild flags. */
2189 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2190 sd = &vol->v_subdisks[sdi];
2191 pd = (struct g_raid_md_intel_perdisk *)
2192 sd->sd_disk->d_md_data;
2193 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2194 if (mvol->migr_state)
2195 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2196 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2197 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2198 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2199 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2200 sd->sd_state != G_RAID_SUBDISK_S_STALE) {
2201 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2202 if (mvol->migr_state)
2203 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2205 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2206 sd->sd_state == G_RAID_SUBDISK_S_FAILED) &&
2207 mmap0->failed_disk_num == 0xff) {
2208 mmap0->failed_disk_num = sdi;
2209 if (mvol->migr_state)
2210 mmap1->failed_disk_num = sdi;
2215 meta->total_volumes = vi;
2216 if (strcmp(version, INTEL_VERSION_1300) != 0)
2217 meta->attributes &= INTEL_ATTR_CHECKSUM;
2218 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2220 /* We are done. Print meta data and store them to disks. */
2221 g_raid_md_intel_print(meta);
2222 if (mdi->mdio_meta != NULL)
2223 free(mdi->mdio_meta, M_MD_INTEL);
2224 mdi->mdio_meta = meta;
2225 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2226 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2227 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2229 if (pd->pd_meta != NULL) {
2230 free(pd->pd_meta, M_MD_INTEL);
2233 pd->pd_meta = intel_meta_copy(meta);
2234 intel_meta_write(disk->d_consumer, meta);
2240 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2241 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2243 struct g_raid_softc *sc;
2244 struct g_raid_md_intel_object *mdi;
2245 struct g_raid_md_intel_perdisk *pd;
2246 struct g_raid_subdisk *sd;
2249 mdi = (struct g_raid_md_intel_object *)md;
2250 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2252 /* We can't fail disk that is not a part of array now. */
2253 if (pd->pd_disk_pos < 0)
2257 * Mark disk as failed in metadata and try to write that metadata
2258 * to the disk itself to prevent it's later resurrection as STALE.
2260 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2261 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2262 g_raid_md_intel_print(mdi->mdio_meta);
2263 if (tdisk->d_consumer)
2264 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2266 /* Change states. */
2267 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2268 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2269 g_raid_change_subdisk_state(sd,
2270 G_RAID_SUBDISK_S_FAILED);
2271 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2272 G_RAID_EVENT_SUBDISK);
2275 /* Write updated metadata to remaining disks. */
2276 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2278 /* Check if anything left except placeholders. */
2279 if (g_raid_ndisks(sc, -1) ==
2280 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2281 g_raid_destroy_node(sc, 0);
2283 g_raid_md_intel_refill(sc);
2288 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2289 struct g_raid_disk *disk)
2291 struct g_raid_md_intel_perdisk *pd;
2293 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2294 if (pd->pd_meta != NULL) {
2295 free(pd->pd_meta, M_MD_INTEL);
2298 free(pd, M_MD_INTEL);
2299 disk->d_md_data = NULL;
2304 g_raid_md_free_intel(struct g_raid_md_object *md)
2306 struct g_raid_md_intel_object *mdi;
2308 mdi = (struct g_raid_md_intel_object *)md;
2309 if (!mdi->mdio_started) {
2310 mdi->mdio_started = 0;
2311 callout_stop(&mdi->mdio_start_co);
2312 G_RAID_DEBUG1(1, md->mdo_softc,
2313 "root_mount_rel %p", mdi->mdio_rootmount);
2314 root_mount_rel(mdi->mdio_rootmount);
2315 mdi->mdio_rootmount = NULL;
2317 if (mdi->mdio_meta != NULL) {
2318 free(mdi->mdio_meta, M_MD_INTEL);
2319 mdi->mdio_meta = NULL;
2324 G_RAID_MD_DECLARE(g_raid_md_intel);