2 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org>
3 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
33 #include <sys/endian.h>
34 #include <sys/kernel.h>
36 #include <sys/limits.h>
38 #include <sys/malloc.h>
39 #include <sys/mutex.h>
40 #include <sys/systm.h>
41 #include <sys/taskqueue.h>
42 #include <geom/geom.h>
43 #include "geom/raid/g_raid.h"
44 #include "g_raid_md_if.h"
46 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata");
48 struct intel_raid_map {
50 uint32_t disk_sectors;
51 uint32_t stripe_count;
52 uint16_t strip_sectors;
54 #define INTEL_S_READY 0x00
55 #define INTEL_S_UNINITIALIZED 0x01
56 #define INTEL_S_DEGRADED 0x02
57 #define INTEL_S_FAILURE 0x03
60 #define INTEL_T_RAID0 0x00
61 #define INTEL_T_RAID1 0x01
62 #define INTEL_T_RAID5 0x05
65 uint8_t total_domains;
66 uint8_t failed_disk_num;
69 uint32_t disk_sectors_hi;
70 uint32_t stripe_count_hi;
72 uint32_t disk_idx[1]; /* total_disks entries. */
73 #define INTEL_DI_IDX 0x00ffffff
74 #define INTEL_DI_RBLD 0x01000000
77 struct intel_raid_vol {
79 u_int64_t total_sectors __packed;
81 #define INTEL_ST_BOOTABLE 0x00000001
82 #define INTEL_ST_BOOT_DEVICE 0x00000002
83 #define INTEL_ST_READ_COALESCING 0x00000004
84 #define INTEL_ST_WRITE_COALESCING 0x00000008
85 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010
86 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020
87 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040
88 #define INTEL_ST_VERIFY_AND_FIX 0x00000080
89 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100
90 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200
91 #define INTEL_ST_CLONE_N_GO 0x00000400
92 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800
93 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000
95 uint8_t migr_priority;
98 uint8_t cng_master_disk;
99 uint16_t cache_policy;
101 #define INTEL_CNGST_UPDATED 0
102 #define INTEL_CNGST_NEEDS_UPDATE 1
103 #define INTEL_CNGST_MASTER_MISSING 2
104 uint8_t cng_sub_state;
105 uint32_t filler_0[10];
107 uint32_t curr_migr_unit;
108 uint32_t checkpoint_id;
111 #define INTEL_MT_INIT 0
112 #define INTEL_MT_REBUILD 1
113 #define INTEL_MT_VERIFY 2
114 #define INTEL_MT_GEN_MIGR 3
115 #define INTEL_MT_STATE_CHANGE 4
116 #define INTEL_MT_REPAIR 5
119 uint16_t verify_errors;
121 uint32_t curr_migr_unit_hi;
122 uint32_t filler_1[3];
123 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */
126 struct intel_raid_disk {
127 #define INTEL_SERIAL_LEN 16
128 uint8_t serial[INTEL_SERIAL_LEN];
132 #define INTEL_F_SPARE 0x01
133 #define INTEL_F_ASSIGNED 0x02
134 #define INTEL_F_FAILED 0x04
135 #define INTEL_F_ONLINE 0x08
136 #define INTEL_F_DISABLED 0x80
137 uint32_t owner_cfg_num;
142 struct intel_raid_conf {
143 uint8_t intel_id[24];
144 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. "
147 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */
148 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */
149 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */
150 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */
151 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */
152 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */
153 #define INTEL_VERSION_1206 "1.2.06" /* CNG */
154 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */
158 uint32_t config_size;
161 uint32_t error_log_size;
163 #define INTEL_ATTR_RAID0 0x00000001
164 #define INTEL_ATTR_RAID1 0x00000002
165 #define INTEL_ATTR_RAID10 0x00000004
166 #define INTEL_ATTR_RAID1E 0x00000008
167 #define INTEL_ATTR_RAID5 0x00000010
168 #define INTEL_ATTR_RAIDCNG 0x00000020
169 #define INTEL_ATTR_EXT_STRIP 0x00000040
170 #define INTEL_ATTR_NVM_CACHE 0x02000000
171 #define INTEL_ATTR_2TB_DISK 0x04000000
172 #define INTEL_ATTR_BBM 0x08000000
173 #define INTEL_ATTR_NVM_CACHE2 0x10000000
174 #define INTEL_ATTR_2TB 0x20000000
175 #define INTEL_ATTR_PM 0x40000000
176 #define INTEL_ATTR_CHECKSUM 0x80000000
179 uint8_t total_volumes;
180 uint8_t error_log_pos;
183 uint32_t orig_config_id;
184 uint32_t pwr_cycle_count;
185 uint32_t bbm_log_size;
186 uint32_t filler_0[35];
187 struct intel_raid_disk disk[1]; /* total_disks entries. */
188 /* Here goes total_volumes of struct intel_raid_vol. */
191 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \
192 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \
193 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \
194 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM )
196 #define INTEL_MAX_MD_SIZE(ndisks) \
197 (sizeof(struct intel_raid_conf) + \
198 sizeof(struct intel_raid_disk) * (ndisks - 1) + \
199 sizeof(struct intel_raid_vol) * 2 + \
200 sizeof(struct intel_raid_map) * 2 + \
201 sizeof(uint32_t) * (ndisks - 1) * 4)
203 struct g_raid_md_intel_perdisk {
204 struct intel_raid_conf *pd_meta;
206 struct intel_raid_disk pd_disk_meta;
209 struct g_raid_md_intel_pervolume {
213 int pv_cng_master_disk;
216 struct g_raid_md_intel_object {
217 struct g_raid_md_object mdio_base;
218 uint32_t mdio_config_id;
219 uint32_t mdio_orig_config_id;
220 uint32_t mdio_generation;
221 struct intel_raid_conf *mdio_meta;
222 struct callout mdio_start_co; /* STARTING state timer. */
223 int mdio_disks_present;
226 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */
229 static g_raid_md_create_t g_raid_md_create_intel;
230 static g_raid_md_taste_t g_raid_md_taste_intel;
231 static g_raid_md_event_t g_raid_md_event_intel;
232 static g_raid_md_ctl_t g_raid_md_ctl_intel;
233 static g_raid_md_write_t g_raid_md_write_intel;
234 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel;
235 static g_raid_md_free_disk_t g_raid_md_free_disk_intel;
236 static g_raid_md_free_volume_t g_raid_md_free_volume_intel;
237 static g_raid_md_free_t g_raid_md_free_intel;
239 static kobj_method_t g_raid_md_intel_methods[] = {
240 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel),
241 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel),
242 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel),
243 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel),
244 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel),
245 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel),
246 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel),
247 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel),
248 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel),
252 static struct g_raid_md_class g_raid_md_intel_class = {
254 g_raid_md_intel_methods,
255 sizeof(struct g_raid_md_intel_object),
261 static struct intel_raid_map *
262 intel_get_map(struct intel_raid_vol *mvol, int i)
264 struct intel_raid_map *mmap;
266 if (i > (mvol->migr_state ? 1 : 0))
268 mmap = &mvol->map[0];
270 mmap = (struct intel_raid_map *)
271 &mmap->disk_idx[mmap->total_disks];
273 return ((struct intel_raid_map *)mmap);
276 static struct intel_raid_vol *
277 intel_get_volume(struct intel_raid_conf *meta, int i)
279 struct intel_raid_vol *mvol;
280 struct intel_raid_map *mmap;
284 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks];
286 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0);
287 mvol = (struct intel_raid_vol *)
288 &mmap->disk_idx[mmap->total_disks];
294 intel_get_map_offset(struct intel_raid_map *mmap)
296 off_t offset = (off_t)mmap->offset_hi << 32;
298 offset += mmap->offset;
303 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset)
306 mmap->offset = offset & 0xffffffff;
307 mmap->offset_hi = offset >> 32;
311 intel_get_map_disk_sectors(struct intel_raid_map *mmap)
313 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32;
315 disk_sectors += mmap->disk_sectors;
316 return (disk_sectors);
320 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors)
323 mmap->disk_sectors = disk_sectors & 0xffffffff;
324 mmap->disk_sectors_hi = disk_sectors >> 32;
328 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count)
331 mmap->stripe_count = stripe_count & 0xffffffff;
332 mmap->stripe_count_hi = stripe_count >> 32;
336 intel_get_disk_sectors(struct intel_raid_disk *disk)
338 off_t sectors = (off_t)disk->sectors_hi << 32;
340 sectors += disk->sectors;
345 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors)
348 disk->sectors = sectors & 0xffffffff;
349 disk->sectors_hi = sectors >> 32;
353 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol)
355 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32;
357 curr_migr_unit += vol->curr_migr_unit;
358 return (curr_migr_unit);
362 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit)
365 vol->curr_migr_unit = curr_migr_unit & 0xffffffff;
366 vol->curr_migr_unit_hi = curr_migr_unit >> 32;
370 g_raid_md_intel_print(struct intel_raid_conf *meta)
372 struct intel_raid_vol *mvol;
373 struct intel_raid_map *mmap;
376 if (g_raid_debug < 1)
379 printf("********* ATA Intel MatrixRAID Metadata *********\n");
380 printf("intel_id <%.24s>\n", meta->intel_id);
381 printf("version <%.6s>\n", meta->version);
382 printf("checksum 0x%08x\n", meta->checksum);
383 printf("config_size 0x%08x\n", meta->config_size);
384 printf("config_id 0x%08x\n", meta->config_id);
385 printf("generation 0x%08x\n", meta->generation);
386 printf("error_log_size %d\n", meta->error_log_size);
387 printf("attributes 0x%08x\n", meta->attributes);
388 printf("total_disks %u\n", meta->total_disks);
389 printf("total_volumes %u\n", meta->total_volumes);
390 printf("error_log_pos %u\n", meta->error_log_pos);
391 printf("cache_size %u\n", meta->cache_size);
392 printf("orig_config_id 0x%08x\n", meta->orig_config_id);
393 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count);
394 printf("bbm_log_size %u\n", meta->bbm_log_size);
395 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n");
396 for (i = 0; i < meta->total_disks; i++ ) {
397 printf(" %d <%.16s> %u %u 0x%08x 0x%08x %08x\n", i,
398 meta->disk[i].serial, meta->disk[i].sectors,
399 meta->disk[i].sectors_hi, meta->disk[i].id,
400 meta->disk[i].flags, meta->disk[i].owner_cfg_num);
402 for (i = 0; i < meta->total_volumes; i++) {
403 mvol = intel_get_volume(meta, i);
404 printf(" ****** Volume %d ******\n", i);
405 printf(" name %.16s\n", mvol->name);
406 printf(" total_sectors %ju\n", mvol->total_sectors);
407 printf(" state 0x%08x\n", mvol->state);
408 printf(" reserved %u\n", mvol->reserved);
409 printf(" migr_priority %u\n", mvol->migr_priority);
410 printf(" num_sub_vols %u\n", mvol->num_sub_vols);
411 printf(" tid %u\n", mvol->tid);
412 printf(" cng_master_disk %u\n", mvol->cng_master_disk);
413 printf(" cache_policy %u\n", mvol->cache_policy);
414 printf(" cng_state %u\n", mvol->cng_state);
415 printf(" cng_sub_state %u\n", mvol->cng_sub_state);
416 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit);
417 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi);
418 printf(" checkpoint_id %u\n", mvol->checkpoint_id);
419 printf(" migr_state %u\n", mvol->migr_state);
420 printf(" migr_type %u\n", mvol->migr_type);
421 printf(" dirty %u\n", mvol->dirty);
422 printf(" fs_state %u\n", mvol->fs_state);
423 printf(" verify_errors %u\n", mvol->verify_errors);
424 printf(" bad_blocks %u\n", mvol->bad_blocks);
426 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
427 printf(" *** Map %d ***\n", j);
428 mmap = intel_get_map(mvol, j);
429 printf(" offset %u\n", mmap->offset);
430 printf(" offset_hi %u\n", mmap->offset_hi);
431 printf(" disk_sectors %u\n", mmap->disk_sectors);
432 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi);
433 printf(" stripe_count %u\n", mmap->stripe_count);
434 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi);
435 printf(" strip_sectors %u\n", mmap->strip_sectors);
436 printf(" status %u\n", mmap->status);
437 printf(" type %u\n", mmap->type);
438 printf(" total_disks %u\n", mmap->total_disks);
439 printf(" total_domains %u\n", mmap->total_domains);
440 printf(" failed_disk_num %u\n", mmap->failed_disk_num);
441 printf(" ddf %u\n", mmap->ddf);
442 printf(" disk_idx ");
443 for (k = 0; k < mmap->total_disks; k++)
444 printf(" 0x%08x", mmap->disk_idx[k]);
448 printf("=================================================\n");
451 static struct intel_raid_conf *
452 intel_meta_copy(struct intel_raid_conf *meta)
454 struct intel_raid_conf *nmeta;
456 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK);
457 memcpy(nmeta, meta, meta->config_size);
462 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial)
466 for (pos = 0; pos < meta->total_disks; pos++) {
467 if (strncmp(meta->disk[pos].serial,
468 serial, INTEL_SERIAL_LEN) == 0)
474 static struct intel_raid_conf *
475 intel_meta_read(struct g_consumer *cp)
477 struct g_provider *pp;
478 struct intel_raid_conf *meta;
479 struct intel_raid_vol *mvol;
480 struct intel_raid_map *mmap, *mmap1;
482 int error, i, j, k, left, size;
483 uint32_t checksum, *ptr;
487 /* Read the anchor sector. */
488 buf = g_read_data(cp,
489 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error);
491 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).",
495 meta = (struct intel_raid_conf *)buf;
497 /* Check if this is an Intel RAID struct */
498 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) {
499 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name);
503 if (meta->config_size > 65536 ||
504 meta->config_size < sizeof(struct intel_raid_conf)) {
505 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d",
510 size = meta->config_size;
511 meta = malloc(size, M_MD_INTEL, M_WAITOK);
512 memcpy(meta, buf, min(size, pp->sectorsize));
515 /* Read all the rest, if needed. */
516 if (meta->config_size > pp->sectorsize) {
517 left = (meta->config_size - 1) / pp->sectorsize;
518 buf = g_read_data(cp,
519 pp->mediasize - pp->sectorsize * (2 + left),
520 pp->sectorsize * left, &error);
522 G_RAID_DEBUG(1, "Cannot read remaining metadata"
523 " part from %s (error=%d).",
525 free(meta, M_MD_INTEL);
528 memcpy(((char *)meta) + pp->sectorsize, buf,
529 pp->sectorsize * left);
533 /* Check metadata checksum. */
534 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
535 i < (meta->config_size / sizeof(uint32_t)); i++) {
538 checksum -= meta->checksum;
539 if (checksum != meta->checksum) {
540 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name);
541 free(meta, M_MD_INTEL);
545 /* Validate metadata size. */
546 size = sizeof(struct intel_raid_conf) +
547 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) +
548 sizeof(struct intel_raid_vol) * meta->total_volumes;
549 if (size > meta->config_size) {
551 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d",
552 meta->config_size, size);
553 free(meta, M_MD_INTEL);
556 for (i = 0; i < meta->total_volumes; i++) {
557 mvol = intel_get_volume(meta, i);
558 mmap = intel_get_map(mvol, 0);
559 size += 4 * (mmap->total_disks - 1);
560 if (size > meta->config_size)
562 if (mvol->migr_state) {
563 size += sizeof(struct intel_raid_map);
564 if (size > meta->config_size)
566 mmap = intel_get_map(mvol, 1);
567 size += 4 * (mmap->total_disks - 1);
568 if (size > meta->config_size)
573 g_raid_md_intel_print(meta);
575 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) {
576 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'",
578 free(meta, M_MD_INTEL);
582 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 &&
583 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) {
584 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x",
585 meta->attributes & ~INTEL_ATTR_SUPPORTED);
586 free(meta, M_MD_INTEL);
590 /* Validate disk indexes. */
591 for (i = 0; i < meta->total_volumes; i++) {
592 mvol = intel_get_volume(meta, i);
593 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) {
594 mmap = intel_get_map(mvol, j);
595 for (k = 0; k < mmap->total_disks; k++) {
596 if ((mmap->disk_idx[k] & INTEL_DI_IDX) >
598 G_RAID_DEBUG(1, "Intel metadata disk"
599 " index %d too big (>%d)",
600 mmap->disk_idx[k] & INTEL_DI_IDX,
602 free(meta, M_MD_INTEL);
609 /* Validate migration types. */
610 for (i = 0; i < meta->total_volumes; i++) {
611 mvol = intel_get_volume(meta, i);
612 /* Deny unknown migration types. */
613 if (mvol->migr_state &&
614 mvol->migr_type != INTEL_MT_INIT &&
615 mvol->migr_type != INTEL_MT_REBUILD &&
616 mvol->migr_type != INTEL_MT_VERIFY &&
617 mvol->migr_type != INTEL_MT_GEN_MIGR &&
618 mvol->migr_type != INTEL_MT_REPAIR) {
619 G_RAID_DEBUG(1, "Intel metadata has unsupported"
620 " migration type %d", mvol->migr_type);
621 free(meta, M_MD_INTEL);
624 /* Deny general migrations except SINGLE->RAID1. */
625 if (mvol->migr_state &&
626 mvol->migr_type == INTEL_MT_GEN_MIGR) {
627 mmap = intel_get_map(mvol, 0);
628 mmap1 = intel_get_map(mvol, 1);
629 if (mmap1->total_disks != 1 ||
630 mmap->type != INTEL_T_RAID1 ||
631 mmap->total_disks != 2 ||
632 mmap->offset != mmap1->offset ||
633 mmap->disk_sectors != mmap1->disk_sectors ||
634 mmap->total_domains != mmap->total_disks ||
635 mmap->offset_hi != mmap1->offset_hi ||
636 mmap->disk_sectors_hi != mmap1->disk_sectors_hi ||
637 (mmap->disk_idx[0] != mmap1->disk_idx[0] &&
638 mmap->disk_idx[0] != mmap1->disk_idx[1])) {
639 G_RAID_DEBUG(1, "Intel metadata has unsupported"
640 " variant of general migration");
641 free(meta, M_MD_INTEL);
651 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta)
653 struct g_provider *pp;
655 int error, i, sectors;
656 uint32_t checksum, *ptr;
660 /* Recalculate checksum for case if metadata were changed. */
662 for (checksum = 0, ptr = (uint32_t *)meta, i = 0;
663 i < (meta->config_size / sizeof(uint32_t)); i++) {
666 meta->checksum = checksum;
668 /* Create and fill buffer. */
669 sectors = (meta->config_size + pp->sectorsize - 1) / pp->sectorsize;
670 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
672 memcpy(buf, ((char *)meta) + pp->sectorsize,
673 (sectors - 1) * pp->sectorsize);
675 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize);
677 error = g_write_data(cp,
678 pp->mediasize - pp->sectorsize * (1 + sectors),
679 buf, pp->sectorsize * sectors);
681 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).",
685 free(buf, M_MD_INTEL);
690 intel_meta_erase(struct g_consumer *cp)
692 struct g_provider *pp;
697 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO);
698 error = g_write_data(cp,
699 pp->mediasize - 2 * pp->sectorsize,
700 buf, pp->sectorsize);
702 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).",
705 free(buf, M_MD_INTEL);
710 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d)
712 struct intel_raid_conf *meta;
715 /* Fill anchor and single disk. */
716 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO);
717 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
718 memcpy(&meta->version[0], INTEL_VERSION_1000,
719 sizeof(INTEL_VERSION_1000) - 1);
720 meta->config_size = INTEL_MAX_MD_SIZE(1);
721 meta->config_id = meta->orig_config_id = arc4random();
722 meta->generation = 1;
723 meta->total_disks = 1;
725 error = intel_meta_write(cp, meta);
726 free(meta, M_MD_INTEL);
730 static struct g_raid_disk *
731 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id)
733 struct g_raid_disk *disk;
734 struct g_raid_md_intel_perdisk *pd;
736 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
737 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
738 if (pd->pd_disk_pos == id)
745 g_raid_md_intel_supported(int level, int qual, int disks, int force)
749 case G_RAID_VOLUME_RL_RAID0:
752 if (!force && (disks < 2 || disks > 6))
755 case G_RAID_VOLUME_RL_RAID1:
758 if (!force && (disks != 2))
761 case G_RAID_VOLUME_RL_RAID1E:
764 if (!force && (disks != 4))
767 case G_RAID_VOLUME_RL_RAID5:
770 if (!force && disks > 6)
772 if (qual != G_RAID_VOLUME_RLQ_R5LA)
778 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE)
783 static struct g_raid_volume *
784 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id)
786 struct g_raid_volume *mvol;
787 struct g_raid_md_intel_pervolume *pv;
789 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) {
790 pv = mvol->v_md_data;
791 if (pv->pv_volume_pos == id)
798 g_raid_md_intel_start_disk(struct g_raid_disk *disk)
800 struct g_raid_softc *sc;
801 struct g_raid_subdisk *sd, *tmpsd;
802 struct g_raid_disk *olddisk, *tmpdisk;
803 struct g_raid_md_object *md;
804 struct g_raid_md_intel_object *mdi;
805 struct g_raid_md_intel_pervolume *pv;
806 struct g_raid_md_intel_perdisk *pd, *oldpd;
807 struct intel_raid_conf *meta;
808 struct intel_raid_vol *mvol;
809 struct intel_raid_map *mmap0, *mmap1;
810 int disk_pos, resurrection = 0, migr_global, i;
814 mdi = (struct g_raid_md_intel_object *)md;
815 meta = mdi->mdio_meta;
816 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
819 /* Find disk position in metadata by it's serial. */
820 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial);
822 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk");
823 /* Failed stale disk is useless for us. */
824 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) &&
825 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) {
826 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED);
829 /* If we are in the start process, that's all for now. */
830 if (!mdi->mdio_started)
833 * If we have already started - try to get use of the disk.
834 * Try to replace OFFLINE disks first, then FAILED.
836 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) {
837 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE &&
838 tmpdisk->d_state != G_RAID_DISK_S_FAILED)
840 /* Make sure this disk is big enough. */
841 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) {
843 intel_get_disk_sectors(&pd->pd_disk_meta);
845 if (sd->sd_offset + sd->sd_size + 4096 >
846 disk_sectors * 512) {
848 "Disk too small (%llu < %llu)",
852 sd->sd_offset + sd->sd_size + 4096);
858 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) {
861 } else if (olddisk == NULL)
864 if (olddisk == NULL) {
866 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) {
867 g_raid_change_disk_state(disk,
868 G_RAID_DISK_S_SPARE);
871 g_raid_change_disk_state(disk,
872 G_RAID_DISK_S_STALE);
876 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
877 disk_pos = oldpd->pd_disk_pos;
881 if (olddisk == NULL) {
882 /* Find placeholder by position. */
883 olddisk = g_raid_md_intel_get_disk(sc, disk_pos);
885 panic("No disk at position %d!", disk_pos);
886 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) {
887 G_RAID_DEBUG1(1, sc, "More then one disk for pos %d",
889 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE);
892 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data;
895 /* Replace failed disk or placeholder with new disk. */
896 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) {
897 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next);
898 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
901 oldpd->pd_disk_pos = -2;
902 pd->pd_disk_pos = disk_pos;
904 /* If it was placeholder -- destroy it. */
905 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) {
906 g_raid_destroy_disk(olddisk);
908 /* Otherwise, make it STALE_FAILED. */
909 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED);
910 /* Update global metadata just in case. */
911 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta,
912 sizeof(struct intel_raid_disk));
915 /* Welcome the new disk. */
916 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
917 !(pd->pd_disk_meta.flags & INTEL_F_SPARE))
918 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED);
919 else if (resurrection)
920 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
921 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED)
922 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED);
923 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE)
924 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE);
926 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE);
927 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
928 pv = sd->sd_volume->v_md_data;
929 mvol = intel_get_volume(meta, pv->pv_volume_pos);
930 mmap0 = intel_get_map(mvol, 0);
931 if (mvol->migr_state)
932 mmap1 = intel_get_map(mvol, 1);
937 for (i = 0; i < mmap0->total_disks; i++) {
938 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 &&
939 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0)
943 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) &&
944 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) {
945 /* Disabled disk, useless. */
946 g_raid_change_subdisk_state(sd,
947 G_RAID_SUBDISK_S_NONE);
948 } else if (resurrection) {
949 /* Stale disk, almost same as new. */
950 g_raid_change_subdisk_state(sd,
951 G_RAID_SUBDISK_S_NEW);
952 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) {
953 /* Failed disk, almost useless. */
954 g_raid_change_subdisk_state(sd,
955 G_RAID_SUBDISK_S_FAILED);
956 } else if (mvol->migr_state == 0) {
957 if (mmap0->status == INTEL_S_UNINITIALIZED &&
958 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) {
959 /* Freshly created uninitialized volume. */
960 g_raid_change_subdisk_state(sd,
961 G_RAID_SUBDISK_S_UNINITIALIZED);
962 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
963 /* Freshly inserted disk. */
964 g_raid_change_subdisk_state(sd,
965 G_RAID_SUBDISK_S_NEW);
966 } else if (mvol->dirty && (!pv->pv_cng ||
967 pv->pv_cng_master_disk != disk_pos)) {
968 /* Dirty volume (unclean shutdown). */
969 g_raid_change_subdisk_state(sd,
970 G_RAID_SUBDISK_S_STALE);
972 /* Up to date disk. */
973 g_raid_change_subdisk_state(sd,
974 G_RAID_SUBDISK_S_ACTIVE);
976 } else if (mvol->migr_type == INTEL_MT_INIT ||
977 mvol->migr_type == INTEL_MT_REBUILD) {
978 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
979 /* Freshly inserted disk. */
980 g_raid_change_subdisk_state(sd,
981 G_RAID_SUBDISK_S_NEW);
982 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
983 /* Rebuilding disk. */
984 g_raid_change_subdisk_state(sd,
985 G_RAID_SUBDISK_S_REBUILD);
987 sd->sd_rebuild_pos = 0;
990 intel_get_vol_curr_migr_unit(mvol) *
991 sd->sd_volume->v_strip_size *
992 mmap0->total_domains;
994 } else if (mvol->migr_type == INTEL_MT_INIT &&
996 /* Freshly created uninitialized volume. */
997 g_raid_change_subdisk_state(sd,
998 G_RAID_SUBDISK_S_UNINITIALIZED);
999 } else if (mvol->dirty && (!pv->pv_cng ||
1000 pv->pv_cng_master_disk != disk_pos)) {
1001 /* Dirty volume (unclean shutdown). */
1002 g_raid_change_subdisk_state(sd,
1003 G_RAID_SUBDISK_S_STALE);
1005 /* Up to date disk. */
1006 g_raid_change_subdisk_state(sd,
1007 G_RAID_SUBDISK_S_ACTIVE);
1009 } else if (mvol->migr_type == INTEL_MT_VERIFY ||
1010 mvol->migr_type == INTEL_MT_REPAIR) {
1011 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) {
1012 /* Freshly inserted disk. */
1013 g_raid_change_subdisk_state(sd,
1014 G_RAID_SUBDISK_S_NEW);
1015 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) ||
1017 /* Resyncing disk. */
1018 g_raid_change_subdisk_state(sd,
1019 G_RAID_SUBDISK_S_RESYNC);
1021 sd->sd_rebuild_pos = 0;
1023 sd->sd_rebuild_pos =
1024 intel_get_vol_curr_migr_unit(mvol) *
1025 sd->sd_volume->v_strip_size *
1026 mmap0->total_domains;
1028 } else if (mvol->dirty) {
1029 /* Dirty volume (unclean shutdown). */
1030 g_raid_change_subdisk_state(sd,
1031 G_RAID_SUBDISK_S_STALE);
1033 /* Up to date disk. */
1034 g_raid_change_subdisk_state(sd,
1035 G_RAID_SUBDISK_S_ACTIVE);
1037 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) {
1038 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) {
1039 /* Freshly inserted disk. */
1040 g_raid_change_subdisk_state(sd,
1041 G_RAID_SUBDISK_S_NEW);
1043 /* Up to date disk. */
1044 g_raid_change_subdisk_state(sd,
1045 G_RAID_SUBDISK_S_ACTIVE);
1048 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1049 G_RAID_EVENT_SUBDISK);
1052 /* Update status of our need for spare. */
1053 if (mdi->mdio_started) {
1054 mdi->mdio_incomplete =
1055 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1056 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) <
1060 return (resurrection);
1064 g_disk_md_intel_retaste(void *arg, int pending)
1067 G_RAID_DEBUG(1, "Array is not complete, trying to retaste.");
1068 g_retaste(&g_raid_class);
1069 free(arg, M_MD_INTEL);
1073 g_raid_md_intel_refill(struct g_raid_softc *sc)
1075 struct g_raid_md_object *md;
1076 struct g_raid_md_intel_object *mdi;
1077 struct intel_raid_conf *meta;
1078 struct g_raid_disk *disk;
1083 mdi = (struct g_raid_md_intel_object *)md;
1084 meta = mdi->mdio_meta;
1087 /* Make sure we miss anything. */
1088 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1089 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED);
1090 if (na == meta->total_disks)
1093 G_RAID_DEBUG1(1, md->mdo_softc,
1094 "Array is not complete (%d of %d), "
1095 "trying to refill.", na, meta->total_disks);
1097 /* Try to get use some of STALE disks. */
1098 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1099 if (disk->d_state == G_RAID_DISK_S_STALE) {
1100 update += g_raid_md_intel_start_disk(disk);
1101 if (disk->d_state == G_RAID_DISK_S_ACTIVE ||
1102 disk->d_state == G_RAID_DISK_S_DISABLED)
1109 /* Try to get use some of SPARE disks. */
1110 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1111 if (disk->d_state == G_RAID_DISK_S_SPARE) {
1112 update += g_raid_md_intel_start_disk(disk);
1113 if (disk->d_state == G_RAID_DISK_S_ACTIVE)
1117 } while (disk != NULL);
1119 /* Write new metadata if we changed something. */
1121 g_raid_md_write_intel(md, NULL, NULL, NULL);
1122 meta = mdi->mdio_meta;
1125 /* Update status of our need for spare. */
1126 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) +
1127 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks);
1129 /* Request retaste hoping to find spare. */
1130 if (mdi->mdio_incomplete) {
1131 task = malloc(sizeof(struct task),
1132 M_MD_INTEL, M_WAITOK | M_ZERO);
1133 TASK_INIT(task, 0, g_disk_md_intel_retaste, task);
1134 taskqueue_enqueue(taskqueue_swi, task);
1139 g_raid_md_intel_start(struct g_raid_softc *sc)
1141 struct g_raid_md_object *md;
1142 struct g_raid_md_intel_object *mdi;
1143 struct g_raid_md_intel_pervolume *pv;
1144 struct g_raid_md_intel_perdisk *pd;
1145 struct intel_raid_conf *meta;
1146 struct intel_raid_vol *mvol;
1147 struct intel_raid_map *mmap;
1148 struct g_raid_volume *vol;
1149 struct g_raid_subdisk *sd;
1150 struct g_raid_disk *disk;
1154 mdi = (struct g_raid_md_intel_object *)md;
1155 meta = mdi->mdio_meta;
1157 /* Create volumes and subdisks. */
1158 for (i = 0; i < meta->total_volumes; i++) {
1159 mvol = intel_get_volume(meta, i);
1160 mmap = intel_get_map(mvol, 0);
1161 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1);
1162 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1163 pv->pv_volume_pos = i;
1164 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0;
1165 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0;
1166 if (mvol->cng_master_disk < mmap->total_disks)
1167 pv->pv_cng_master_disk = mvol->cng_master_disk;
1168 vol->v_md_data = pv;
1169 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE;
1170 if (mmap->type == INTEL_T_RAID0)
1171 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0;
1172 else if (mmap->type == INTEL_T_RAID1 &&
1173 mmap->total_domains >= 2 &&
1174 mmap->total_domains <= mmap->total_disks) {
1175 /* Assume total_domains is correct. */
1176 if (mmap->total_domains == mmap->total_disks)
1177 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1179 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1180 } else if (mmap->type == INTEL_T_RAID1) {
1181 /* total_domains looks wrong. */
1182 if (mmap->total_disks <= 2)
1183 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1;
1185 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E;
1186 } else if (mmap->type == INTEL_T_RAID5) {
1187 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5;
1188 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA;
1190 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN;
1191 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ
1192 vol->v_disks_count = mmap->total_disks;
1193 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ
1194 vol->v_sectorsize = 512; //ZZZ
1195 for (j = 0; j < vol->v_disks_count; j++) {
1196 sd = &vol->v_subdisks[j];
1197 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ
1198 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ
1200 g_raid_start_volume(vol);
1203 /* Create disk placeholders to store data for later writing. */
1204 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) {
1205 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1206 pd->pd_disk_pos = disk_pos;
1207 pd->pd_disk_meta = meta->disk[disk_pos];
1208 disk = g_raid_create_disk(sc);
1209 disk->d_md_data = (void *)pd;
1210 disk->d_state = G_RAID_DISK_S_OFFLINE;
1211 for (i = 0; i < meta->total_volumes; i++) {
1212 mvol = intel_get_volume(meta, i);
1213 mmap = intel_get_map(mvol, 0);
1214 for (j = 0; j < mmap->total_disks; j++) {
1215 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos)
1218 if (j == mmap->total_disks)
1220 vol = g_raid_md_intel_get_volume(sc, i);
1221 sd = &vol->v_subdisks[j];
1223 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1227 /* Make all disks found till the moment take their places. */
1229 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1230 if (disk->d_state == G_RAID_DISK_S_NONE) {
1231 g_raid_md_intel_start_disk(disk);
1235 } while (disk != NULL);
1237 mdi->mdio_started = 1;
1238 G_RAID_DEBUG1(0, sc, "Array started.");
1239 g_raid_md_write_intel(md, NULL, NULL, NULL);
1241 /* Pickup any STALE/SPARE disks to refill array if needed. */
1242 g_raid_md_intel_refill(sc);
1244 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1245 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1246 G_RAID_EVENT_VOLUME);
1249 callout_stop(&mdi->mdio_start_co);
1250 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount);
1251 root_mount_rel(mdi->mdio_rootmount);
1252 mdi->mdio_rootmount = NULL;
1256 g_raid_md_intel_new_disk(struct g_raid_disk *disk)
1258 struct g_raid_softc *sc;
1259 struct g_raid_md_object *md;
1260 struct g_raid_md_intel_object *mdi;
1261 struct intel_raid_conf *pdmeta;
1262 struct g_raid_md_intel_perdisk *pd;
1266 mdi = (struct g_raid_md_intel_object *)md;
1267 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1268 pdmeta = pd->pd_meta;
1270 if (mdi->mdio_started) {
1271 if (g_raid_md_intel_start_disk(disk))
1272 g_raid_md_write_intel(md, NULL, NULL, NULL);
1274 /* If we haven't started yet - check metadata freshness. */
1275 if (mdi->mdio_meta == NULL ||
1276 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) {
1277 G_RAID_DEBUG1(1, sc, "Newer disk");
1278 if (mdi->mdio_meta != NULL)
1279 free(mdi->mdio_meta, M_MD_INTEL);
1280 mdi->mdio_meta = intel_meta_copy(pdmeta);
1281 mdi->mdio_generation = mdi->mdio_meta->generation;
1282 mdi->mdio_disks_present = 1;
1283 } else if (pdmeta->generation == mdi->mdio_generation) {
1284 mdi->mdio_disks_present++;
1285 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)",
1286 mdi->mdio_disks_present,
1287 mdi->mdio_meta->total_disks);
1289 G_RAID_DEBUG1(1, sc, "Older disk");
1291 /* If we collected all needed disks - start array. */
1292 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks)
1293 g_raid_md_intel_start(sc);
1298 g_raid_intel_go(void *arg)
1300 struct g_raid_softc *sc;
1301 struct g_raid_md_object *md;
1302 struct g_raid_md_intel_object *mdi;
1306 mdi = (struct g_raid_md_intel_object *)md;
1307 if (!mdi->mdio_started) {
1308 G_RAID_DEBUG1(0, sc, "Force array start due to timeout.");
1309 g_raid_event_send(sc, G_RAID_NODE_E_START, 0);
1314 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp,
1317 struct g_raid_softc *sc;
1318 struct g_raid_md_intel_object *mdi;
1321 mdi = (struct g_raid_md_intel_object *)md;
1322 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random();
1323 mdi->mdio_generation = 0;
1324 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id);
1325 sc = g_raid_create_node(mp, name, md);
1327 return (G_RAID_MD_TASTE_FAIL);
1330 return (G_RAID_MD_TASTE_NEW);
1334 * Return the last N characters of the serial label. The Linux and
1335 * ataraid(7) code always uses the last 16 characters of the label to
1336 * store into the Intel meta format. Generalize this to N characters
1337 * since that's easy. Labels can be up to 20 characters for SATA drives
1338 * and up 251 characters for SAS drives. Since intel controllers don't
1339 * support SAS drives, just stick with the SATA limits for stack friendliness.
1342 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen)
1344 char serial_buffer[24];
1347 len = sizeof(serial_buffer);
1348 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer);
1351 len = strlen(serial_buffer);
1356 strncpy(serial, serial_buffer + len, serlen);
1361 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp,
1362 struct g_consumer *cp, struct g_geom **gp)
1364 struct g_consumer *rcp;
1365 struct g_provider *pp;
1366 struct g_raid_md_intel_object *mdi, *mdi1;
1367 struct g_raid_softc *sc;
1368 struct g_raid_disk *disk;
1369 struct intel_raid_conf *meta;
1370 struct g_raid_md_intel_perdisk *pd;
1371 struct g_geom *geom;
1372 int error, disk_pos, result, spare, len;
1373 char serial[INTEL_SERIAL_LEN];
1377 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name);
1378 mdi = (struct g_raid_md_intel_object *)md;
1381 /* Read metadata from device. */
1385 g_topology_unlock();
1386 error = g_raid_md_get_label(cp, serial, sizeof(serial));
1388 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).",
1393 if (pp->geom->rank == 1)
1394 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor);
1395 meta = intel_meta_read(cp);
1398 if (g_raid_aggressive_spare) {
1399 if (vendor != 0x8086) {
1401 "Intel vendor mismatch 0x%04x != 0x8086",
1405 "No Intel metadata, forcing spare.");
1410 return (G_RAID_MD_TASTE_FAIL);
1413 /* Check this disk position in obtained metadata. */
1414 disk_pos = intel_meta_find_disk(meta, serial);
1416 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial);
1419 if (intel_get_disk_sectors(&meta->disk[disk_pos]) !=
1420 (pp->mediasize / pp->sectorsize)) {
1421 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju",
1422 intel_get_disk_sectors(&meta->disk[disk_pos]),
1423 (off_t)(pp->mediasize / pp->sectorsize));
1427 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos);
1428 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE;
1431 /* Search for matching node. */
1434 LIST_FOREACH(geom, &mp->geom, geom) {
1438 if (sc->sc_stopping != 0)
1440 if (sc->sc_md->mdo_class != md->mdo_class)
1442 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md;
1444 if (mdi1->mdio_incomplete)
1447 if (mdi1->mdio_config_id == meta->config_id)
1452 /* Found matching node. */
1454 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name);
1455 result = G_RAID_MD_TASTE_EXISTING;
1457 } else if (spare) { /* Not found needy node -- left for later. */
1458 G_RAID_DEBUG(1, "Spare is not needed at this time");
1461 } else { /* Not found matching node -- create one. */
1462 result = G_RAID_MD_TASTE_NEW;
1463 mdi->mdio_config_id = meta->config_id;
1464 mdi->mdio_orig_config_id = meta->orig_config_id;
1465 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id);
1466 sc = g_raid_create_node(mp, name, md);
1469 callout_init(&mdi->mdio_start_co, 1);
1470 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz,
1471 g_raid_intel_go, sc);
1472 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel");
1473 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount);
1476 /* There is no return after this point, so we close passed consumer. */
1477 g_access(cp, -1, 0, 0);
1479 rcp = g_new_consumer(geom);
1481 if (g_access(rcp, 1, 1, 1) != 0)
1484 g_topology_unlock();
1485 sx_xlock(&sc->sc_lock);
1487 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1489 pd->pd_disk_pos = -1;
1491 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN);
1492 intel_set_disk_sectors(&pd->pd_disk_meta,
1493 pp->mediasize / pp->sectorsize);
1494 pd->pd_disk_meta.id = 0;
1495 pd->pd_disk_meta.flags = INTEL_F_SPARE;
1497 pd->pd_disk_meta = meta->disk[disk_pos];
1499 disk = g_raid_create_disk(sc);
1500 disk->d_md_data = (void *)pd;
1501 disk->d_consumer = rcp;
1502 rcp->private = disk;
1504 g_raid_get_disk_info(disk);
1506 g_raid_md_intel_new_disk(disk);
1508 sx_xunlock(&sc->sc_lock);
1515 free(meta, M_MD_INTEL);
1516 return (G_RAID_MD_TASTE_FAIL);
1520 g_raid_md_event_intel(struct g_raid_md_object *md,
1521 struct g_raid_disk *disk, u_int event)
1523 struct g_raid_softc *sc;
1524 struct g_raid_subdisk *sd;
1525 struct g_raid_md_intel_object *mdi;
1526 struct g_raid_md_intel_perdisk *pd;
1529 mdi = (struct g_raid_md_intel_object *)md;
1532 case G_RAID_NODE_E_START:
1533 if (!mdi->mdio_started)
1534 g_raid_md_intel_start(sc);
1539 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1541 case G_RAID_DISK_E_DISCONNECTED:
1542 /* If disk was assigned, just update statuses. */
1543 if (pd->pd_disk_pos >= 0) {
1544 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1545 if (disk->d_consumer) {
1546 g_raid_kill_consumer(sc, disk->d_consumer);
1547 disk->d_consumer = NULL;
1549 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
1550 g_raid_change_subdisk_state(sd,
1551 G_RAID_SUBDISK_S_NONE);
1552 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
1553 G_RAID_EVENT_SUBDISK);
1556 /* Otherwise -- delete. */
1557 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
1558 g_raid_destroy_disk(disk);
1561 /* Write updated metadata to all disks. */
1562 g_raid_md_write_intel(md, NULL, NULL, NULL);
1564 /* Check if anything left except placeholders. */
1565 if (g_raid_ndisks(sc, -1) ==
1566 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
1567 g_raid_destroy_node(sc, 0);
1569 g_raid_md_intel_refill(sc);
1576 g_raid_md_ctl_intel(struct g_raid_md_object *md,
1577 struct gctl_req *req)
1579 struct g_raid_softc *sc;
1580 struct g_raid_volume *vol, *vol1;
1581 struct g_raid_subdisk *sd;
1582 struct g_raid_disk *disk;
1583 struct g_raid_md_intel_object *mdi;
1584 struct g_raid_md_intel_pervolume *pv;
1585 struct g_raid_md_intel_perdisk *pd;
1586 struct g_consumer *cp;
1587 struct g_provider *pp;
1588 char arg[16], serial[INTEL_SERIAL_LEN];
1589 const char *nodename, *verb, *volname, *levelname, *diskname;
1592 off_t off, size, sectorsize, strip, disk_sectors;
1593 intmax_t *sizearg, *striparg;
1594 int numdisks, i, len, level, qual, update;
1598 mdi = (struct g_raid_md_intel_object *)md;
1599 verb = gctl_get_param(req, "verb", NULL);
1600 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs));
1602 if (strcmp(verb, "label") == 0) {
1605 gctl_error(req, "Invalid number of arguments.");
1608 volname = gctl_get_asciiparam(req, "arg1");
1609 if (volname == NULL) {
1610 gctl_error(req, "No volume name.");
1613 levelname = gctl_get_asciiparam(req, "arg2");
1614 if (levelname == NULL) {
1615 gctl_error(req, "No RAID level.");
1618 if (strcasecmp(levelname, "RAID5") == 0)
1619 levelname = "RAID5-LA";
1620 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1621 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1624 numdisks = *nargs - 3;
1625 force = gctl_get_paraml(req, "force", sizeof(*force));
1626 if (!g_raid_md_intel_supported(level, qual, numdisks,
1627 force ? *force : 0)) {
1628 gctl_error(req, "Unsupported RAID level "
1629 "(0x%02x/0x%02x), or number of disks (%d).",
1630 level, qual, numdisks);
1634 /* Search for disks, connect them and probe. */
1635 size = 0x7fffffffffffffffllu;
1637 for (i = 0; i < numdisks; i++) {
1638 snprintf(arg, sizeof(arg), "arg%d", i + 3);
1639 diskname = gctl_get_asciiparam(req, arg);
1640 if (diskname == NULL) {
1641 gctl_error(req, "No disk name (%s).", arg);
1645 if (strcmp(diskname, "NONE") == 0) {
1650 cp = g_raid_open_consumer(sc, diskname);
1652 gctl_error(req, "Can't open disk '%s'.",
1654 g_topology_unlock();
1660 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
1661 pd->pd_disk_pos = i;
1662 disk = g_raid_create_disk(sc);
1663 disk->d_md_data = (void *)pd;
1664 disk->d_consumer = cp;
1666 strcpy(&pd->pd_disk_meta.serial[0], "NONE");
1667 pd->pd_disk_meta.id = 0xffffffff;
1668 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
1672 g_topology_unlock();
1674 error = g_raid_md_get_label(cp,
1675 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN);
1678 "Can't get serial for provider '%s'.",
1684 g_raid_get_disk_info(disk);
1686 intel_set_disk_sectors(&pd->pd_disk_meta,
1687 pp->mediasize / pp->sectorsize);
1688 if (size > pp->mediasize)
1689 size = pp->mediasize;
1690 if (sectorsize < pp->sectorsize)
1691 sectorsize = pp->sectorsize;
1692 pd->pd_disk_meta.id = 0;
1693 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE;
1698 if (sectorsize <= 0) {
1699 gctl_error(req, "Can't get sector size.");
1703 /* Reserve some space for metadata. */
1704 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1706 /* Handle size argument. */
1707 len = sizeof(*sizearg);
1708 sizearg = gctl_get_param(req, "size", &len);
1709 if (sizearg != NULL && len == sizeof(*sizearg) &&
1711 if (*sizearg > size) {
1712 gctl_error(req, "Size too big %lld > %lld.",
1713 (long long)*sizearg, (long long)size);
1719 /* Handle strip argument. */
1721 len = sizeof(*striparg);
1722 striparg = gctl_get_param(req, "strip", &len);
1723 if (striparg != NULL && len == sizeof(*striparg) &&
1725 if (*striparg < sectorsize) {
1726 gctl_error(req, "Strip size too small.");
1729 if (*striparg % sectorsize != 0) {
1730 gctl_error(req, "Incorrect strip size.");
1733 if (strip > 65535 * sectorsize) {
1734 gctl_error(req, "Strip size too big.");
1740 /* Round size down to strip or sector. */
1741 if (level == G_RAID_VOLUME_RL_RAID1)
1742 size -= (size % sectorsize);
1743 else if (level == G_RAID_VOLUME_RL_RAID1E &&
1744 (numdisks & 1) != 0)
1745 size -= (size % (2 * strip));
1747 size -= (size % strip);
1749 gctl_error(req, "Size too small.");
1753 /* We have all we need, create things: volume, ... */
1754 mdi->mdio_started = 1;
1755 vol = g_raid_create_volume(sc, volname, -1);
1756 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1757 pv->pv_volume_pos = 0;
1758 vol->v_md_data = pv;
1759 vol->v_raid_level = level;
1760 vol->v_raid_level_qualifier = qual;
1761 vol->v_strip_size = strip;
1762 vol->v_disks_count = numdisks;
1763 if (level == G_RAID_VOLUME_RL_RAID0)
1764 vol->v_mediasize = size * numdisks;
1765 else if (level == G_RAID_VOLUME_RL_RAID1)
1766 vol->v_mediasize = size;
1767 else if (level == G_RAID_VOLUME_RL_RAID5)
1768 vol->v_mediasize = size * (numdisks - 1);
1770 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1773 vol->v_sectorsize = sectorsize;
1774 g_raid_start_volume(vol);
1776 /* , and subdisks. */
1777 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
1778 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
1779 sd = &vol->v_subdisks[pd->pd_disk_pos];
1783 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1784 if (sd->sd_disk->d_consumer != NULL) {
1785 g_raid_change_disk_state(disk,
1786 G_RAID_DISK_S_ACTIVE);
1787 if (level == G_RAID_VOLUME_RL_RAID5)
1788 g_raid_change_subdisk_state(sd,
1789 G_RAID_SUBDISK_S_UNINITIALIZED);
1791 g_raid_change_subdisk_state(sd,
1792 G_RAID_SUBDISK_S_ACTIVE);
1793 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1794 G_RAID_EVENT_SUBDISK);
1796 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
1800 /* Write metadata based on created entities. */
1801 G_RAID_DEBUG1(0, sc, "Array started.");
1802 g_raid_md_write_intel(md, NULL, NULL, NULL);
1804 /* Pickup any STALE/SPARE disks to refill array if needed. */
1805 g_raid_md_intel_refill(sc);
1807 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1808 G_RAID_EVENT_VOLUME);
1811 if (strcmp(verb, "add") == 0) {
1814 gctl_error(req, "Invalid number of arguments.");
1817 volname = gctl_get_asciiparam(req, "arg1");
1818 if (volname == NULL) {
1819 gctl_error(req, "No volume name.");
1822 levelname = gctl_get_asciiparam(req, "arg2");
1823 if (levelname == NULL) {
1824 gctl_error(req, "No RAID level.");
1827 if (strcasecmp(levelname, "RAID5") == 0)
1828 levelname = "RAID5-LA";
1829 if (g_raid_volume_str2level(levelname, &level, &qual)) {
1830 gctl_error(req, "Unknown RAID level '%s'.", levelname);
1834 /* Look for existing volumes. */
1837 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
1842 gctl_error(req, "Maximum two volumes supported.");
1846 gctl_error(req, "At least one volume must exist.");
1850 numdisks = vol1->v_disks_count;
1851 force = gctl_get_paraml(req, "force", sizeof(*force));
1852 if (!g_raid_md_intel_supported(level, qual, numdisks,
1853 force ? *force : 0)) {
1854 gctl_error(req, "Unsupported RAID level "
1855 "(0x%02x/0x%02x), or number of disks (%d).",
1856 level, qual, numdisks);
1860 /* Collect info about present disks. */
1861 size = 0x7fffffffffffffffllu;
1863 for (i = 0; i < numdisks; i++) {
1864 disk = vol1->v_subdisks[i].sd_disk;
1865 pd = (struct g_raid_md_intel_perdisk *)
1868 intel_get_disk_sectors(&pd->pd_disk_meta);
1870 if (disk_sectors * 512 < size)
1871 size = disk_sectors * 512;
1872 if (disk->d_consumer != NULL &&
1873 disk->d_consumer->provider != NULL &&
1874 disk->d_consumer->provider->sectorsize >
1877 disk->d_consumer->provider->sectorsize;
1881 /* Reserve some space for metadata. */
1882 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize;
1884 /* Decide insert before or after. */
1885 sd = &vol1->v_subdisks[0];
1887 size - (sd->sd_offset + sd->sd_size)) {
1889 size = sd->sd_offset;
1891 off = sd->sd_offset + sd->sd_size;
1892 size = size - (sd->sd_offset + sd->sd_size);
1895 /* Handle strip argument. */
1897 len = sizeof(*striparg);
1898 striparg = gctl_get_param(req, "strip", &len);
1899 if (striparg != NULL && len == sizeof(*striparg) &&
1901 if (*striparg < sectorsize) {
1902 gctl_error(req, "Strip size too small.");
1905 if (*striparg % sectorsize != 0) {
1906 gctl_error(req, "Incorrect strip size.");
1909 if (strip > 65535 * sectorsize) {
1910 gctl_error(req, "Strip size too big.");
1916 /* Round offset up to strip. */
1917 if (off % strip != 0) {
1918 size -= strip - off % strip;
1919 off += strip - off % strip;
1922 /* Handle size argument. */
1923 len = sizeof(*sizearg);
1924 sizearg = gctl_get_param(req, "size", &len);
1925 if (sizearg != NULL && len == sizeof(*sizearg) &&
1927 if (*sizearg > size) {
1928 gctl_error(req, "Size too big %lld > %lld.",
1929 (long long)*sizearg, (long long)size);
1935 /* Round size down to strip or sector. */
1936 if (level == G_RAID_VOLUME_RL_RAID1)
1937 size -= (size % sectorsize);
1939 size -= (size % strip);
1941 gctl_error(req, "Size too small.");
1944 if (size > 0xffffffffllu * sectorsize) {
1945 gctl_error(req, "Size too big.");
1949 /* We have all we need, create things: volume, ... */
1950 vol = g_raid_create_volume(sc, volname, -1);
1951 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO);
1952 pv->pv_volume_pos = i;
1953 vol->v_md_data = pv;
1954 vol->v_raid_level = level;
1955 vol->v_raid_level_qualifier = qual;
1956 vol->v_strip_size = strip;
1957 vol->v_disks_count = numdisks;
1958 if (level == G_RAID_VOLUME_RL_RAID0)
1959 vol->v_mediasize = size * numdisks;
1960 else if (level == G_RAID_VOLUME_RL_RAID1)
1961 vol->v_mediasize = size;
1962 else if (level == G_RAID_VOLUME_RL_RAID5)
1963 vol->v_mediasize = size * (numdisks - 1);
1965 vol->v_mediasize = ((size * numdisks) / strip / 2) *
1968 vol->v_sectorsize = sectorsize;
1969 g_raid_start_volume(vol);
1971 /* , and subdisks. */
1972 for (i = 0; i < numdisks; i++) {
1973 disk = vol1->v_subdisks[i].sd_disk;
1974 sd = &vol->v_subdisks[i];
1976 sd->sd_offset = off;
1978 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next);
1979 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
1980 if (level == G_RAID_VOLUME_RL_RAID5)
1981 g_raid_change_subdisk_state(sd,
1982 G_RAID_SUBDISK_S_UNINITIALIZED);
1984 g_raid_change_subdisk_state(sd,
1985 G_RAID_SUBDISK_S_ACTIVE);
1986 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW,
1987 G_RAID_EVENT_SUBDISK);
1991 /* Write metadata based on created entities. */
1992 g_raid_md_write_intel(md, NULL, NULL, NULL);
1994 g_raid_event_send(vol, G_RAID_VOLUME_E_START,
1995 G_RAID_EVENT_VOLUME);
1998 if (strcmp(verb, "delete") == 0) {
2000 nodename = gctl_get_asciiparam(req, "arg0");
2001 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0)
2004 /* Full node destruction. */
2005 if (*nargs == 1 && nodename != NULL) {
2006 /* Check if some volume is still open. */
2007 force = gctl_get_paraml(req, "force", sizeof(*force));
2008 if (force != NULL && *force == 0 &&
2009 g_raid_nopens(sc) != 0) {
2010 gctl_error(req, "Some volume is still open.");
2014 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2015 if (disk->d_consumer)
2016 intel_meta_erase(disk->d_consumer);
2018 g_raid_destroy_node(sc, 0);
2022 /* Destroy specified volume. If it was last - all node. */
2024 gctl_error(req, "Invalid number of arguments.");
2027 volname = gctl_get_asciiparam(req,
2028 nodename != NULL ? "arg1" : "arg0");
2029 if (volname == NULL) {
2030 gctl_error(req, "No volume name.");
2034 /* Search for volume. */
2035 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2036 if (strcmp(vol->v_name, volname) == 0)
2038 pp = vol->v_provider;
2041 if (strcmp(pp->name, volname) == 0)
2043 if (strncmp(pp->name, "raid/", 5) == 0 &&
2044 strcmp(pp->name + 5, volname) == 0)
2048 i = strtol(volname, &tmp, 10);
2049 if (verb != volname && tmp[0] == 0) {
2050 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2051 if (vol->v_global_id == i)
2057 gctl_error(req, "Volume '%s' not found.", volname);
2061 /* Check if volume is still open. */
2062 force = gctl_get_paraml(req, "force", sizeof(*force));
2063 if (force != NULL && *force == 0 &&
2064 vol->v_provider_open != 0) {
2065 gctl_error(req, "Volume is still open.");
2069 /* Destroy volume and potentially node. */
2071 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next)
2074 g_raid_destroy_volume(vol);
2075 g_raid_md_write_intel(md, NULL, NULL, NULL);
2077 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2078 if (disk->d_consumer)
2079 intel_meta_erase(disk->d_consumer);
2081 g_raid_destroy_node(sc, 0);
2085 if (strcmp(verb, "remove") == 0 ||
2086 strcmp(verb, "fail") == 0) {
2088 gctl_error(req, "Invalid number of arguments.");
2091 for (i = 1; i < *nargs; i++) {
2092 snprintf(arg, sizeof(arg), "arg%d", i);
2093 diskname = gctl_get_asciiparam(req, arg);
2094 if (diskname == NULL) {
2095 gctl_error(req, "No disk name (%s).", arg);
2099 if (strncmp(diskname, "/dev/", 5) == 0)
2102 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2103 if (disk->d_consumer != NULL &&
2104 disk->d_consumer->provider != NULL &&
2105 strcmp(disk->d_consumer->provider->name,
2110 gctl_error(req, "Disk '%s' not found.",
2116 if (strcmp(verb, "fail") == 0) {
2117 g_raid_md_fail_disk_intel(md, NULL, disk);
2121 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2123 /* Erase metadata on deleting disk. */
2124 intel_meta_erase(disk->d_consumer);
2126 /* If disk was assigned, just update statuses. */
2127 if (pd->pd_disk_pos >= 0) {
2128 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE);
2129 g_raid_kill_consumer(sc, disk->d_consumer);
2130 disk->d_consumer = NULL;
2131 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) {
2132 g_raid_change_subdisk_state(sd,
2133 G_RAID_SUBDISK_S_NONE);
2134 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED,
2135 G_RAID_EVENT_SUBDISK);
2138 /* Otherwise -- delete. */
2139 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE);
2140 g_raid_destroy_disk(disk);
2144 /* Write updated metadata to remaining disks. */
2145 g_raid_md_write_intel(md, NULL, NULL, NULL);
2147 /* Check if anything left except placeholders. */
2148 if (g_raid_ndisks(sc, -1) ==
2149 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2150 g_raid_destroy_node(sc, 0);
2152 g_raid_md_intel_refill(sc);
2155 if (strcmp(verb, "insert") == 0) {
2157 gctl_error(req, "Invalid number of arguments.");
2161 for (i = 1; i < *nargs; i++) {
2162 /* Get disk name. */
2163 snprintf(arg, sizeof(arg), "arg%d", i);
2164 diskname = gctl_get_asciiparam(req, arg);
2165 if (diskname == NULL) {
2166 gctl_error(req, "No disk name (%s).", arg);
2171 /* Try to find provider with specified name. */
2173 cp = g_raid_open_consumer(sc, diskname);
2175 gctl_error(req, "Can't open disk '%s'.",
2177 g_topology_unlock();
2182 g_topology_unlock();
2184 /* Read disk serial. */
2185 error = g_raid_md_get_label(cp,
2186 &serial[0], INTEL_SERIAL_LEN);
2189 "Can't get serial for provider '%s'.",
2191 g_raid_kill_consumer(sc, cp);
2196 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO);
2197 pd->pd_disk_pos = -1;
2199 disk = g_raid_create_disk(sc);
2200 disk->d_consumer = cp;
2201 disk->d_md_data = (void *)pd;
2204 g_raid_get_disk_info(disk);
2206 memcpy(&pd->pd_disk_meta.serial[0], &serial[0],
2208 intel_set_disk_sectors(&pd->pd_disk_meta,
2209 pp->mediasize / pp->sectorsize);
2210 pd->pd_disk_meta.id = 0;
2211 pd->pd_disk_meta.flags = INTEL_F_SPARE;
2213 /* Welcome the "new" disk. */
2214 update += g_raid_md_intel_start_disk(disk);
2215 if (disk->d_state == G_RAID_DISK_S_SPARE) {
2216 intel_meta_write_spare(cp, &pd->pd_disk_meta);
2217 g_raid_destroy_disk(disk);
2218 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) {
2219 gctl_error(req, "Disk '%s' doesn't fit.",
2221 g_raid_destroy_disk(disk);
2227 /* Write new metadata if we changed something. */
2229 g_raid_md_write_intel(md, NULL, NULL, NULL);
2236 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol,
2237 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2239 struct g_raid_softc *sc;
2240 struct g_raid_volume *vol;
2241 struct g_raid_subdisk *sd;
2242 struct g_raid_disk *disk;
2243 struct g_raid_md_intel_object *mdi;
2244 struct g_raid_md_intel_pervolume *pv;
2245 struct g_raid_md_intel_perdisk *pd;
2246 struct intel_raid_conf *meta;
2247 struct intel_raid_vol *mvol;
2248 struct intel_raid_map *mmap0, *mmap1;
2249 off_t sectorsize = 512, pos;
2250 const char *version, *cv;
2251 int vi, sdi, numdisks, len, state, stale;
2254 mdi = (struct g_raid_md_intel_object *)md;
2256 if (sc->sc_stopping == G_RAID_DESTROY_HARD)
2259 /* Bump generation. Newly written metadata may differ from previous. */
2260 mdi->mdio_generation++;
2262 /* Count number of disks. */
2264 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2265 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2266 if (pd->pd_disk_pos < 0)
2269 if (disk->d_state == G_RAID_DISK_S_ACTIVE) {
2270 pd->pd_disk_meta.flags =
2271 INTEL_F_ONLINE | INTEL_F_ASSIGNED;
2272 } else if (disk->d_state == G_RAID_DISK_S_FAILED) {
2273 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2275 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) {
2276 pd->pd_disk_meta.flags = INTEL_F_FAILED |
2277 INTEL_F_ASSIGNED | INTEL_F_DISABLED;
2279 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED))
2280 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED;
2281 if (pd->pd_disk_meta.id != 0xffffffff) {
2282 pd->pd_disk_meta.id = 0xffffffff;
2283 len = strlen(pd->pd_disk_meta.serial);
2284 len = min(len, INTEL_SERIAL_LEN - 3);
2285 strcpy(pd->pd_disk_meta.serial + len, ":0");
2290 /* Fill anchor and disks. */
2291 meta = malloc(INTEL_MAX_MD_SIZE(numdisks),
2292 M_MD_INTEL, M_WAITOK | M_ZERO);
2293 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1);
2294 meta->config_size = INTEL_MAX_MD_SIZE(numdisks);
2295 meta->config_id = mdi->mdio_config_id;
2296 meta->orig_config_id = mdi->mdio_orig_config_id;
2297 meta->generation = mdi->mdio_generation;
2298 meta->attributes = INTEL_ATTR_CHECKSUM;
2299 meta->total_disks = numdisks;
2300 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2301 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2302 if (pd->pd_disk_pos < 0)
2304 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta;
2305 if (pd->pd_disk_meta.sectors_hi != 0)
2306 meta->attributes |= INTEL_ATTR_2TB_DISK;
2309 /* Fill volumes and maps. */
2311 version = INTEL_VERSION_1000;
2312 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) {
2313 pv = vol->v_md_data;
2314 if (vol->v_stopping)
2316 mvol = intel_get_volume(meta, vi);
2318 /* New metadata may have different volumes order. */
2319 pv->pv_volume_pos = vi;
2321 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2322 sd = &vol->v_subdisks[sdi];
2323 if (sd->sd_disk != NULL)
2326 if (sdi >= vol->v_disks_count)
2327 panic("No any filled subdisk in volume");
2328 if (vol->v_mediasize >= 0x20000000000llu)
2329 meta->attributes |= INTEL_ATTR_2TB;
2330 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2331 meta->attributes |= INTEL_ATTR_RAID0;
2332 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2333 meta->attributes |= INTEL_ATTR_RAID1;
2334 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2335 meta->attributes |= INTEL_ATTR_RAID5;
2336 else if ((vol->v_disks_count & 1) == 0)
2337 meta->attributes |= INTEL_ATTR_RAID10;
2339 meta->attributes |= INTEL_ATTR_RAID1E;
2341 meta->attributes |= INTEL_ATTR_RAIDCNG;
2342 if (vol->v_strip_size > 131072)
2343 meta->attributes |= INTEL_ATTR_EXT_STRIP;
2346 cv = INTEL_VERSION_1206;
2347 else if (vol->v_disks_count > 4)
2348 cv = INTEL_VERSION_1204;
2349 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5)
2350 cv = INTEL_VERSION_1202;
2351 else if (vol->v_disks_count > 2)
2352 cv = INTEL_VERSION_1201;
2353 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2354 cv = INTEL_VERSION_1100;
2356 cv = INTEL_VERSION_1000;
2357 if (strcmp(cv, version) > 0)
2360 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name));
2361 mvol->total_sectors = vol->v_mediasize / sectorsize;
2362 mvol->state = (INTEL_ST_READ_COALESCING |
2363 INTEL_ST_WRITE_COALESCING);
2364 mvol->tid = vol->v_global_id + 1;
2366 mvol->state |= INTEL_ST_CLONE_N_GO;
2367 if (pv->pv_cng_man_sync)
2368 mvol->state |= INTEL_ST_CLONE_MAN_SYNC;
2369 mvol->cng_master_disk = pv->pv_cng_master_disk;
2370 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state ==
2371 G_RAID_SUBDISK_S_NONE)
2372 mvol->cng_state = INTEL_CNGST_MASTER_MISSING;
2373 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL)
2374 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE;
2376 mvol->cng_state = INTEL_CNGST_UPDATED;
2379 /* Check for any recovery in progress. */
2380 state = G_RAID_SUBDISK_S_ACTIVE;
2381 pos = 0x7fffffffffffffffllu;
2383 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2384 sd = &vol->v_subdisks[sdi];
2385 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD)
2386 state = G_RAID_SUBDISK_S_REBUILD;
2387 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC &&
2388 state != G_RAID_SUBDISK_S_REBUILD)
2389 state = G_RAID_SUBDISK_S_RESYNC;
2390 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE)
2392 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2393 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) &&
2394 sd->sd_rebuild_pos < pos)
2395 pos = sd->sd_rebuild_pos;
2397 if (state == G_RAID_SUBDISK_S_REBUILD) {
2398 mvol->migr_state = 1;
2399 mvol->migr_type = INTEL_MT_REBUILD;
2400 } else if (state == G_RAID_SUBDISK_S_RESYNC) {
2401 mvol->migr_state = 1;
2402 /* mvol->migr_type = INTEL_MT_REPAIR; */
2403 mvol->migr_type = INTEL_MT_VERIFY;
2404 mvol->state |= INTEL_ST_VERIFY_AND_FIX;
2406 mvol->migr_state = 0;
2407 mvol->dirty = (vol->v_dirty || stale);
2409 mmap0 = intel_get_map(mvol, 0);
2411 /* Write map / common part of two maps. */
2412 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize);
2413 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize);
2414 mmap0->strip_sectors = vol->v_strip_size / sectorsize;
2415 if (vol->v_state == G_RAID_VOLUME_S_BROKEN)
2416 mmap0->status = INTEL_S_FAILURE;
2417 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED)
2418 mmap0->status = INTEL_S_DEGRADED;
2419 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED)
2420 == g_raid_nsubdisks(vol, -1))
2421 mmap0->status = INTEL_S_UNINITIALIZED;
2423 mmap0->status = INTEL_S_READY;
2424 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0)
2425 mmap0->type = INTEL_T_RAID0;
2426 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 ||
2427 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2428 mmap0->type = INTEL_T_RAID1;
2430 mmap0->type = INTEL_T_RAID5;
2431 mmap0->total_disks = vol->v_disks_count;
2432 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1)
2433 mmap0->total_domains = vol->v_disks_count;
2434 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E)
2435 mmap0->total_domains = 2;
2437 mmap0->total_domains = 1;
2438 intel_set_map_stripe_count(mmap0,
2439 sd->sd_size / vol->v_strip_size / mmap0->total_domains);
2440 mmap0->failed_disk_num = 0xff;
2443 /* If there are two maps - copy common and update. */
2444 if (mvol->migr_state) {
2445 intel_set_vol_curr_migr_unit(mvol,
2446 pos / vol->v_strip_size / mmap0->total_domains);
2447 mmap1 = intel_get_map(mvol, 1);
2448 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map));
2449 mmap0->status = INTEL_S_READY;
2453 /* Write disk indexes and put rebuild flags. */
2454 for (sdi = 0; sdi < vol->v_disks_count; sdi++) {
2455 sd = &vol->v_subdisks[sdi];
2456 pd = (struct g_raid_md_intel_perdisk *)
2457 sd->sd_disk->d_md_data;
2458 mmap0->disk_idx[sdi] = pd->pd_disk_pos;
2459 if (mvol->migr_state)
2460 mmap1->disk_idx[sdi] = pd->pd_disk_pos;
2461 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD ||
2462 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) {
2463 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2464 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE &&
2465 sd->sd_state != G_RAID_SUBDISK_S_STALE &&
2466 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) {
2467 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD;
2468 if (mvol->migr_state)
2469 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD;
2471 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE ||
2472 sd->sd_state == G_RAID_SUBDISK_S_FAILED ||
2473 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) &&
2474 mmap0->failed_disk_num == 0xff) {
2475 mmap0->failed_disk_num = sdi;
2476 if (mvol->migr_state)
2477 mmap1->failed_disk_num = sdi;
2482 meta->total_volumes = vi;
2483 if (vi > 1 || meta->attributes &
2484 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB))
2485 version = INTEL_VERSION_1300;
2486 if (strcmp(version, INTEL_VERSION_1300) < 0)
2487 meta->attributes &= INTEL_ATTR_CHECKSUM;
2488 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1);
2490 /* We are done. Print meta data and store them to disks. */
2491 g_raid_md_intel_print(meta);
2492 if (mdi->mdio_meta != NULL)
2493 free(mdi->mdio_meta, M_MD_INTEL);
2494 mdi->mdio_meta = meta;
2495 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) {
2496 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2497 if (disk->d_state != G_RAID_DISK_S_ACTIVE)
2499 if (pd->pd_meta != NULL) {
2500 free(pd->pd_meta, M_MD_INTEL);
2503 pd->pd_meta = intel_meta_copy(meta);
2504 intel_meta_write(disk->d_consumer, meta);
2510 g_raid_md_fail_disk_intel(struct g_raid_md_object *md,
2511 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk)
2513 struct g_raid_softc *sc;
2514 struct g_raid_md_intel_object *mdi;
2515 struct g_raid_md_intel_perdisk *pd;
2516 struct g_raid_subdisk *sd;
2519 mdi = (struct g_raid_md_intel_object *)md;
2520 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data;
2522 /* We can't fail disk that is not a part of array now. */
2523 if (pd->pd_disk_pos < 0)
2527 * Mark disk as failed in metadata and try to write that metadata
2528 * to the disk itself to prevent it's later resurrection as STALE.
2530 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED;
2531 pd->pd_disk_meta.flags = INTEL_F_FAILED;
2532 g_raid_md_intel_print(mdi->mdio_meta);
2533 if (tdisk->d_consumer)
2534 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta);
2536 /* Change states. */
2537 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED);
2538 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) {
2539 g_raid_change_subdisk_state(sd,
2540 G_RAID_SUBDISK_S_FAILED);
2541 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED,
2542 G_RAID_EVENT_SUBDISK);
2545 /* Write updated metadata to remaining disks. */
2546 g_raid_md_write_intel(md, NULL, NULL, tdisk);
2548 /* Check if anything left except placeholders. */
2549 if (g_raid_ndisks(sc, -1) ==
2550 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE))
2551 g_raid_destroy_node(sc, 0);
2553 g_raid_md_intel_refill(sc);
2558 g_raid_md_free_disk_intel(struct g_raid_md_object *md,
2559 struct g_raid_disk *disk)
2561 struct g_raid_md_intel_perdisk *pd;
2563 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data;
2564 if (pd->pd_meta != NULL) {
2565 free(pd->pd_meta, M_MD_INTEL);
2568 free(pd, M_MD_INTEL);
2569 disk->d_md_data = NULL;
2574 g_raid_md_free_volume_intel(struct g_raid_md_object *md,
2575 struct g_raid_volume *vol)
2577 struct g_raid_md_intel_pervolume *pv;
2579 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data;
2580 free(pv, M_MD_INTEL);
2581 vol->v_md_data = NULL;
2586 g_raid_md_free_intel(struct g_raid_md_object *md)
2588 struct g_raid_md_intel_object *mdi;
2590 mdi = (struct g_raid_md_intel_object *)md;
2591 if (!mdi->mdio_started) {
2592 mdi->mdio_started = 0;
2593 callout_stop(&mdi->mdio_start_co);
2594 G_RAID_DEBUG1(1, md->mdo_softc,
2595 "root_mount_rel %p", mdi->mdio_rootmount);
2596 root_mount_rel(mdi->mdio_rootmount);
2597 mdi->mdio_rootmount = NULL;
2599 if (mdi->mdio_meta != NULL) {
2600 free(mdi->mdio_meta, M_MD_INTEL);
2601 mdi->mdio_meta = NULL;
2606 G_RAID_MD_DECLARE(intel, "Intel");