md_promise.c revision 234458
1219974Smav/*- 2219974Smav * Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org> 3219974Smav * All rights reserved. 4219974Smav * 5219974Smav * Redistribution and use in source and binary forms, with or without 6219974Smav * modification, are permitted provided that the following conditions 7219974Smav * are met: 8219974Smav * 1. Redistributions of source code must retain the above copyright 9219974Smav * notice, this list of conditions and the following disclaimer. 10219974Smav * 2. Redistributions in binary form must reproduce the above copyright 11219974Smav * notice, this list of conditions and the following disclaimer in the 12219974Smav * documentation and/or other materials provided with the distribution. 13219974Smav * 14219974Smav * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 15219974Smav * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16219974Smav * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17219974Smav * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 18219974Smav * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19219974Smav * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20219974Smav * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21219974Smav * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22219974Smav * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23219974Smav * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24219974Smav * SUCH DAMAGE. 25219974Smav */ 26219974Smav 27219974Smav#include <sys/cdefs.h> 28219974Smav__FBSDID("$FreeBSD: head/sys/geom/raid/md_promise.c 234458 2012-04-19 12:30:12Z mav $"); 29219974Smav 30219974Smav#include <sys/param.h> 31219974Smav#include <sys/bio.h> 32219974Smav#include <sys/endian.h> 33219974Smav#include <sys/kernel.h> 34219974Smav#include <sys/kobj.h> 35219974Smav#include <sys/limits.h> 36219974Smav#include <sys/lock.h> 37219974Smav#include <sys/malloc.h> 38219974Smav#include <sys/mutex.h> 39219974Smav#include <sys/systm.h> 40219974Smav#include <geom/geom.h> 41219974Smav#include "geom/raid/g_raid.h" 42219974Smav#include "g_raid_md_if.h" 43219974Smav 44219974Smavstatic MALLOC_DEFINE(M_MD_PROMISE, "md_promise_data", "GEOM_RAID Promise metadata"); 45219974Smav 46219974Smav#define PROMISE_MAX_DISKS 8 47219974Smav#define PROMISE_MAX_SUBDISKS 2 48219974Smav#define PROMISE_META_OFFSET 14 49219974Smav 50219974Smavstruct promise_raid_disk { 51219974Smav uint8_t flags; /* Subdisk status. */ 52219974Smav#define PROMISE_F_VALID 0x01 53219974Smav#define PROMISE_F_ONLINE 0x02 54219974Smav#define PROMISE_F_ASSIGNED 0x04 55219974Smav#define PROMISE_F_SPARE 0x08 56219974Smav#define PROMISE_F_DUPLICATE 0x10 57219974Smav#define PROMISE_F_REDIR 0x20 58219974Smav#define PROMISE_F_DOWN 0x40 59219974Smav#define PROMISE_F_READY 0x80 60219974Smav 61219974Smav uint8_t number; /* Position in a volume. */ 62219974Smav uint8_t channel; /* ATA channel number. */ 63219974Smav uint8_t device; /* ATA device number. */ 64219974Smav uint64_t id __packed; /* Subdisk ID. */ 65219974Smav} __packed; 66219974Smav 67219974Smavstruct promise_raid_conf { 68219974Smav char promise_id[24]; 69219974Smav#define PROMISE_MAGIC "Promise Technology, Inc." 70219974Smav#define FREEBSD_MAGIC "FreeBSD ATA driver RAID " 71219974Smav 72219974Smav uint32_t dummy_0; 73219974Smav uint64_t magic_0; 74219974Smav#define PROMISE_MAGIC0(x) (((uint64_t)(x.channel) << 48) | \ 75219974Smav ((uint64_t)(x.device != 0) << 56)) 76219974Smav uint16_t magic_1; 77219974Smav uint32_t magic_2; 78219974Smav uint8_t filler1[470]; 79219974Smav 80219974Smav uint32_t integrity; 81219974Smav#define PROMISE_I_VALID 0x00000080 82219974Smav 83219974Smav struct promise_raid_disk disk; /* This subdisk info. */ 84219974Smav uint32_t disk_offset; /* Subdisk offset. */ 85219974Smav uint32_t disk_sectors; /* Subdisk size */ 86219974Smav uint32_t rebuild_lba; /* Rebuild position. */ 87219974Smav uint16_t generation; /* Generation number. */ 88219974Smav uint8_t status; /* Volume status. */ 89219974Smav#define PROMISE_S_VALID 0x01 90219974Smav#define PROMISE_S_ONLINE 0x02 91219974Smav#define PROMISE_S_INITED 0x04 92219974Smav#define PROMISE_S_READY 0x08 93219974Smav#define PROMISE_S_DEGRADED 0x10 94219974Smav#define PROMISE_S_MARKED 0x20 95219974Smav#define PROMISE_S_MIGRATING 0x40 96219974Smav#define PROMISE_S_FUNCTIONAL 0x80 97219974Smav 98219974Smav uint8_t type; /* Voluem type. */ 99219974Smav#define PROMISE_T_RAID0 0x00 100219974Smav#define PROMISE_T_RAID1 0x01 101219974Smav#define PROMISE_T_RAID3 0x02 102219974Smav#define PROMISE_T_RAID5 0x04 103219974Smav#define PROMISE_T_SPAN 0x08 104219974Smav#define PROMISE_T_JBOD 0x10 105219974Smav 106219974Smav uint8_t total_disks; /* Disks in this volume. */ 107219974Smav uint8_t stripe_shift; /* Strip size. */ 108219974Smav uint8_t array_width; /* Number of RAID0 stripes. */ 109219974Smav uint8_t array_number; /* Global volume number. */ 110219974Smav uint32_t total_sectors; /* Volume size. */ 111219974Smav uint16_t cylinders; /* Volume geometry: C. */ 112219974Smav uint8_t heads; /* Volume geometry: H. */ 113219974Smav uint8_t sectors; /* Volume geometry: S. */ 114219974Smav uint64_t volume_id __packed; /* Volume ID, */ 115219974Smav struct promise_raid_disk disks[PROMISE_MAX_DISKS]; 116219974Smav /* Subdisks in this volume. */ 117219974Smav char name[32]; /* Volume label. */ 118219974Smav 119219974Smav uint32_t filler2[8]; 120219974Smav uint32_t magic_3; /* Something related to rebuild. */ 121219974Smav uint64_t rebuild_lba64; /* Per-volume rebuild position. */ 122219974Smav uint32_t magic_4; 123219974Smav uint32_t magic_5; 124226816Smav uint32_t total_sectors_high; 125226816Smav uint32_t filler3[324]; 126219974Smav uint32_t checksum; 127219974Smav} __packed; 128219974Smav 129219974Smavstruct g_raid_md_promise_perdisk { 130219974Smav int pd_updated; 131219974Smav int pd_subdisks; 132219974Smav struct promise_raid_conf *pd_meta[PROMISE_MAX_SUBDISKS]; 133219974Smav}; 134219974Smav 135219974Smavstruct g_raid_md_promise_pervolume { 136219974Smav struct promise_raid_conf *pv_meta; 137219974Smav uint64_t pv_id; 138219974Smav uint16_t pv_generation; 139219974Smav int pv_disks_present; 140219974Smav int pv_started; 141219974Smav struct callout pv_start_co; /* STARTING state timer. */ 142219974Smav}; 143219974Smav 144219974Smavstatic g_raid_md_create_t g_raid_md_create_promise; 145219974Smavstatic g_raid_md_taste_t g_raid_md_taste_promise; 146219974Smavstatic g_raid_md_event_t g_raid_md_event_promise; 147219974Smavstatic g_raid_md_volume_event_t g_raid_md_volume_event_promise; 148219974Smavstatic g_raid_md_ctl_t g_raid_md_ctl_promise; 149219974Smavstatic g_raid_md_write_t g_raid_md_write_promise; 150219974Smavstatic g_raid_md_fail_disk_t g_raid_md_fail_disk_promise; 151219974Smavstatic g_raid_md_free_disk_t g_raid_md_free_disk_promise; 152219974Smavstatic g_raid_md_free_volume_t g_raid_md_free_volume_promise; 153219974Smavstatic g_raid_md_free_t g_raid_md_free_promise; 154219974Smav 155219974Smavstatic kobj_method_t g_raid_md_promise_methods[] = { 156219974Smav KOBJMETHOD(g_raid_md_create, g_raid_md_create_promise), 157219974Smav KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_promise), 158219974Smav KOBJMETHOD(g_raid_md_event, g_raid_md_event_promise), 159219974Smav KOBJMETHOD(g_raid_md_volume_event, g_raid_md_volume_event_promise), 160219974Smav KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_promise), 161219974Smav KOBJMETHOD(g_raid_md_write, g_raid_md_write_promise), 162219974Smav KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_promise), 163219974Smav KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_promise), 164219974Smav KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_promise), 165219974Smav KOBJMETHOD(g_raid_md_free, g_raid_md_free_promise), 166219974Smav { 0, 0 } 167219974Smav}; 168219974Smav 169219974Smavstatic struct g_raid_md_class g_raid_md_promise_class = { 170219974Smav "Promise", 171219974Smav g_raid_md_promise_methods, 172219974Smav sizeof(struct g_raid_md_object), 173219974Smav .mdc_priority = 100 174219974Smav}; 175219974Smav 176219974Smav 177219974Smavstatic void 178219974Smavg_raid_md_promise_print(struct promise_raid_conf *meta) 179219974Smav{ 180219974Smav int i; 181219974Smav 182219974Smav if (g_raid_debug < 1) 183219974Smav return; 184219974Smav 185219974Smav printf("********* ATA Promise Metadata *********\n"); 186219974Smav printf("promise_id <%.24s>\n", meta->promise_id); 187219974Smav printf("disk %02x %02x %02x %02x %016jx\n", 188219974Smav meta->disk.flags, meta->disk.number, meta->disk.channel, 189219974Smav meta->disk.device, meta->disk.id); 190219974Smav printf("disk_offset %u\n", meta->disk_offset); 191219974Smav printf("disk_sectors %u\n", meta->disk_sectors); 192219974Smav printf("rebuild_lba %u\n", meta->rebuild_lba); 193219974Smav printf("generation %u\n", meta->generation); 194219974Smav printf("status 0x%02x\n", meta->status); 195219974Smav printf("type %u\n", meta->type); 196219974Smav printf("total_disks %u\n", meta->total_disks); 197219974Smav printf("stripe_shift %u\n", meta->stripe_shift); 198219974Smav printf("array_width %u\n", meta->array_width); 199219974Smav printf("array_number %u\n", meta->array_number); 200219974Smav printf("total_sectors %u\n", meta->total_sectors); 201219974Smav printf("cylinders %u\n", meta->cylinders); 202219974Smav printf("heads %u\n", meta->heads); 203219974Smav printf("sectors %u\n", meta->sectors); 204219974Smav printf("volume_id 0x%016jx\n", meta->volume_id); 205219974Smav printf("disks:\n"); 206219974Smav for (i = 0; i < PROMISE_MAX_DISKS; i++ ) { 207219974Smav printf(" %02x %02x %02x %02x %016jx\n", 208219974Smav meta->disks[i].flags, meta->disks[i].number, 209219974Smav meta->disks[i].channel, meta->disks[i].device, 210219974Smav meta->disks[i].id); 211219974Smav } 212219974Smav printf("name <%.32s>\n", meta->name); 213219974Smav printf("magic_3 0x%08x\n", meta->magic_3); 214219974Smav printf("rebuild_lba64 %ju\n", meta->rebuild_lba64); 215219974Smav printf("magic_4 0x%08x\n", meta->magic_4); 216219974Smav printf("magic_5 0x%08x\n", meta->magic_5); 217226816Smav printf("total_sectors_high 0x%08x\n", meta->total_sectors_high); 218219974Smav printf("=================================================\n"); 219219974Smav} 220219974Smav 221219974Smavstatic struct promise_raid_conf * 222219974Smavpromise_meta_copy(struct promise_raid_conf *meta) 223219974Smav{ 224219974Smav struct promise_raid_conf *nmeta; 225219974Smav 226219974Smav nmeta = malloc(sizeof(*nmeta), M_MD_PROMISE, M_WAITOK); 227219974Smav memcpy(nmeta, meta, sizeof(*nmeta)); 228219974Smav return (nmeta); 229219974Smav} 230219974Smav 231219974Smavstatic int 232219974Smavpromise_meta_find_disk(struct promise_raid_conf *meta, uint64_t id) 233219974Smav{ 234219974Smav int pos; 235219974Smav 236219974Smav for (pos = 0; pos < meta->total_disks; pos++) { 237219974Smav if (meta->disks[pos].id == id) 238219974Smav return (pos); 239219974Smav } 240219974Smav return (-1); 241219974Smav} 242219974Smav 243219974Smavstatic int 244219974Smavpromise_meta_unused_range(struct promise_raid_conf **metaarr, int nsd, 245219974Smav uint32_t sectors, uint32_t *off, uint32_t *size) 246219974Smav{ 247219974Smav uint32_t coff, csize; 248219974Smav int i, j; 249219974Smav 250219974Smav sectors -= 131072; 251219974Smav *off = 0; 252219974Smav *size = 0; 253219974Smav coff = 0; 254219974Smav csize = sectors; 255219974Smav i = 0; 256219974Smav while (1) { 257219974Smav for (j = 0; j < nsd; j++) { 258219974Smav if (metaarr[j]->disk_offset >= coff) { 259219974Smav csize = MIN(csize, 260219974Smav metaarr[j]->disk_offset - coff); 261219974Smav } 262219974Smav } 263219974Smav if (csize > *size) { 264219974Smav *off = coff; 265219974Smav *size = csize; 266219974Smav } 267219974Smav if (i >= nsd) 268219974Smav break; 269219974Smav coff = metaarr[i]->disk_offset + metaarr[i]->disk_sectors; 270219974Smav csize = sectors - coff; 271219974Smav i++; 272219974Smav }; 273219974Smav return ((*size > 0) ? 1 : 0); 274219974Smav} 275219974Smav 276219974Smavstatic int 277219974Smavpromise_meta_translate_disk(struct g_raid_volume *vol, int md_disk_pos) 278219974Smav{ 279219974Smav int disk_pos, width; 280219974Smav 281219974Smav if (md_disk_pos >= 0 && vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 282219974Smav width = vol->v_disks_count / 2; 283219974Smav disk_pos = (md_disk_pos / width) + 284219974Smav (md_disk_pos % width) * width; 285219974Smav } else 286219974Smav disk_pos = md_disk_pos; 287219974Smav return (disk_pos); 288219974Smav} 289219974Smav 290219974Smavstatic void 291219974Smavpromise_meta_get_name(struct promise_raid_conf *meta, char *buf) 292219974Smav{ 293219974Smav int i; 294219974Smav 295219974Smav strncpy(buf, meta->name, 32); 296219974Smav buf[32] = 0; 297219974Smav for (i = 31; i >= 0; i--) { 298219974Smav if (buf[i] > 0x20) 299219974Smav break; 300219974Smav buf[i] = 0; 301219974Smav } 302219974Smav} 303219974Smav 304219974Smavstatic void 305219974Smavpromise_meta_put_name(struct promise_raid_conf *meta, char *buf) 306219974Smav{ 307219974Smav 308219974Smav memset(meta->name, 0x20, 32); 309219974Smav memcpy(meta->name, buf, MIN(strlen(buf), 32)); 310219974Smav} 311219974Smav 312219974Smavstatic int 313219974Smavpromise_meta_read(struct g_consumer *cp, struct promise_raid_conf **metaarr) 314219974Smav{ 315219974Smav struct g_provider *pp; 316219974Smav struct promise_raid_conf *meta; 317219974Smav char *buf; 318219974Smav int error, i, subdisks; 319219974Smav uint32_t checksum, *ptr; 320219974Smav 321219974Smav pp = cp->provider; 322219974Smav subdisks = 0; 323219974Smavnext: 324219974Smav /* Read metadata block. */ 325219974Smav buf = g_read_data(cp, pp->mediasize - pp->sectorsize * 326219974Smav (63 - subdisks * PROMISE_META_OFFSET), 327219974Smav pp->sectorsize * 4, &error); 328219974Smav if (buf == NULL) { 329219974Smav G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 330219974Smav pp->name, error); 331219974Smav return (subdisks); 332219974Smav } 333219974Smav meta = (struct promise_raid_conf *)buf; 334219974Smav 335219974Smav /* Check if this is an Promise RAID struct */ 336219974Smav if (strncmp(meta->promise_id, PROMISE_MAGIC, strlen(PROMISE_MAGIC)) && 337219974Smav strncmp(meta->promise_id, FREEBSD_MAGIC, strlen(FREEBSD_MAGIC))) { 338219974Smav if (subdisks == 0) 339219974Smav G_RAID_DEBUG(1, 340219974Smav "Promise signature check failed on %s", pp->name); 341219974Smav g_free(buf); 342219974Smav return (subdisks); 343219974Smav } 344219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK); 345219974Smav memcpy(meta, buf, MIN(sizeof(*meta), pp->sectorsize * 4)); 346219974Smav g_free(buf); 347219974Smav 348219974Smav /* Check metadata checksum. */ 349219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; i < 511; i++) 350219974Smav checksum += *ptr++; 351219974Smav if (checksum != meta->checksum) { 352219974Smav G_RAID_DEBUG(1, "Promise checksum check failed on %s", pp->name); 353219974Smav free(meta, M_MD_PROMISE); 354219974Smav return (subdisks); 355219974Smav } 356219974Smav 357219974Smav if ((meta->integrity & PROMISE_I_VALID) == 0) { 358219974Smav G_RAID_DEBUG(1, "Promise metadata is invalid on %s", pp->name); 359219974Smav free(meta, M_MD_PROMISE); 360219974Smav return (subdisks); 361219974Smav } 362219974Smav 363219974Smav if (meta->total_disks > PROMISE_MAX_DISKS) { 364219974Smav G_RAID_DEBUG(1, "Wrong number of disks on %s (%d)", 365219974Smav pp->name, meta->total_disks); 366219974Smav free(meta, M_MD_PROMISE); 367219974Smav return (subdisks); 368219974Smav } 369219974Smav 370219974Smav /* Save this part and look for next. */ 371219974Smav *metaarr = meta; 372219974Smav metaarr++; 373219974Smav subdisks++; 374219974Smav if (subdisks < PROMISE_MAX_SUBDISKS) 375219974Smav goto next; 376219974Smav 377219974Smav return (subdisks); 378219974Smav} 379219974Smav 380219974Smavstatic int 381219974Smavpromise_meta_write(struct g_consumer *cp, 382219974Smav struct promise_raid_conf **metaarr, int nsd) 383219974Smav{ 384219974Smav struct g_provider *pp; 385219974Smav struct promise_raid_conf *meta; 386219974Smav char *buf; 387219974Smav int error, i, subdisk, fake; 388219974Smav uint32_t checksum, *ptr, off, size; 389219974Smav 390219974Smav pp = cp->provider; 391219974Smav subdisk = 0; 392219974Smav fake = 0; 393219974Smavnext: 394219974Smav buf = malloc(pp->sectorsize * 4, M_MD_PROMISE, M_WAITOK | M_ZERO); 395219974Smav meta = NULL; 396219974Smav if (subdisk < nsd) { 397219974Smav meta = metaarr[subdisk]; 398219974Smav } else if (!fake && promise_meta_unused_range(metaarr, nsd, 399219974Smav cp->provider->mediasize / cp->provider->sectorsize, 400219974Smav &off, &size)) { 401219974Smav /* Optionally add record for unused space. */ 402219974Smav meta = (struct promise_raid_conf *)buf; 403220209Smav memcpy(&meta->promise_id[0], PROMISE_MAGIC, 404220209Smav sizeof(PROMISE_MAGIC) - 1); 405219974Smav meta->dummy_0 = 0x00020000; 406219974Smav meta->integrity = PROMISE_I_VALID; 407219974Smav meta->disk.flags = PROMISE_F_ONLINE | PROMISE_F_VALID; 408219974Smav meta->disk.number = 0xff; 409219974Smav arc4rand(&meta->disk.id, sizeof(meta->disk.id), 0); 410219974Smav meta->disk_offset = off; 411219974Smav meta->disk_sectors = size; 412219974Smav meta->rebuild_lba = UINT32_MAX; 413219974Smav fake = 1; 414219974Smav } 415219974Smav if (meta != NULL) { 416219974Smav /* Recalculate checksum for case if metadata were changed. */ 417219974Smav meta->checksum = 0; 418219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; i < 511; i++) 419219974Smav checksum += *ptr++; 420219974Smav meta->checksum = checksum; 421219974Smav memcpy(buf, meta, MIN(pp->sectorsize * 4, sizeof(*meta))); 422219974Smav } 423219974Smav error = g_write_data(cp, pp->mediasize - pp->sectorsize * 424219974Smav (63 - subdisk * PROMISE_META_OFFSET), 425219974Smav buf, pp->sectorsize * 4); 426219974Smav if (error != 0) { 427219974Smav G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 428219974Smav pp->name, error); 429219974Smav } 430219974Smav free(buf, M_MD_PROMISE); 431219974Smav 432219974Smav subdisk++; 433219974Smav if (subdisk < PROMISE_MAX_SUBDISKS) 434219974Smav goto next; 435219974Smav 436219974Smav return (error); 437219974Smav} 438219974Smav 439219974Smavstatic int 440219974Smavpromise_meta_erase(struct g_consumer *cp) 441219974Smav{ 442219974Smav struct g_provider *pp; 443219974Smav char *buf; 444219974Smav int error, subdisk; 445219974Smav 446219974Smav pp = cp->provider; 447219974Smav buf = malloc(4 * pp->sectorsize, M_MD_PROMISE, M_WAITOK | M_ZERO); 448219974Smav for (subdisk = 0; subdisk < PROMISE_MAX_SUBDISKS; subdisk++) { 449219974Smav error = g_write_data(cp, pp->mediasize - pp->sectorsize * 450219974Smav (63 - subdisk * PROMISE_META_OFFSET), 451219974Smav buf, 4 * pp->sectorsize); 452219974Smav if (error != 0) { 453219974Smav G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 454219974Smav pp->name, error); 455219974Smav } 456219974Smav } 457219974Smav free(buf, M_MD_PROMISE); 458219974Smav return (error); 459219974Smav} 460219974Smav 461219974Smavstatic int 462219974Smavpromise_meta_write_spare(struct g_consumer *cp) 463219974Smav{ 464219974Smav struct promise_raid_conf *meta; 465219974Smav int error; 466219974Smav 467219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK | M_ZERO); 468220209Smav memcpy(&meta->promise_id[0], PROMISE_MAGIC, sizeof(PROMISE_MAGIC) - 1); 469219974Smav meta->dummy_0 = 0x00020000; 470219974Smav meta->integrity = PROMISE_I_VALID; 471219974Smav meta->disk.flags = PROMISE_F_SPARE | PROMISE_F_ONLINE | PROMISE_F_VALID; 472219974Smav meta->disk.number = 0xff; 473219974Smav arc4rand(&meta->disk.id, sizeof(meta->disk.id), 0); 474219974Smav meta->disk_sectors = cp->provider->mediasize / cp->provider->sectorsize; 475219974Smav meta->disk_sectors -= 131072; 476219974Smav meta->rebuild_lba = UINT32_MAX; 477219974Smav error = promise_meta_write(cp, &meta, 1); 478219974Smav free(meta, M_MD_PROMISE); 479219974Smav return (error); 480219974Smav} 481219974Smav 482219974Smavstatic struct g_raid_volume * 483219974Smavg_raid_md_promise_get_volume(struct g_raid_softc *sc, uint64_t id) 484219974Smav{ 485219974Smav struct g_raid_volume *vol; 486219974Smav struct g_raid_md_promise_pervolume *pv; 487219974Smav 488219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 489219974Smav pv = vol->v_md_data; 490219974Smav if (pv->pv_id == id) 491219974Smav break; 492219974Smav } 493219974Smav return (vol); 494219974Smav} 495219974Smav 496219974Smavstatic int 497219974Smavg_raid_md_promise_purge_volumes(struct g_raid_softc *sc) 498219974Smav{ 499219974Smav struct g_raid_volume *vol, *tvol; 500219974Smav struct g_raid_md_promise_pervolume *pv; 501219974Smav int i, res; 502219974Smav 503219974Smav res = 0; 504219974Smav TAILQ_FOREACH_SAFE(vol, &sc->sc_volumes, v_next, tvol) { 505219974Smav pv = vol->v_md_data; 506219974Smav if (!pv->pv_started || vol->v_stopping) 507219974Smav continue; 508219974Smav for (i = 0; i < vol->v_disks_count; i++) { 509219974Smav if (vol->v_subdisks[i].sd_state != G_RAID_SUBDISK_S_NONE) 510219974Smav break; 511219974Smav } 512219974Smav if (i >= vol->v_disks_count) { 513219974Smav g_raid_destroy_volume(vol); 514219974Smav res = 1; 515219974Smav } 516219974Smav } 517219974Smav return (res); 518219974Smav} 519219974Smav 520219974Smavstatic int 521219974Smavg_raid_md_promise_purge_disks(struct g_raid_softc *sc) 522219974Smav{ 523219974Smav struct g_raid_disk *disk, *tdisk; 524219974Smav struct g_raid_volume *vol; 525219974Smav struct g_raid_md_promise_perdisk *pd; 526219974Smav int i, j, res; 527219974Smav 528219974Smav res = 0; 529219974Smav TAILQ_FOREACH_SAFE(disk, &sc->sc_disks, d_next, tdisk) { 530219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) 531219974Smav continue; 532219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 533219974Smav 534219974Smav /* Scan for deleted volumes. */ 535219974Smav for (i = 0; i < pd->pd_subdisks; ) { 536219974Smav vol = g_raid_md_promise_get_volume(sc, 537219974Smav pd->pd_meta[i]->volume_id); 538219974Smav if (vol != NULL && !vol->v_stopping) { 539219974Smav i++; 540219974Smav continue; 541219974Smav } 542219974Smav free(pd->pd_meta[i], M_MD_PROMISE); 543219974Smav for (j = i; j < pd->pd_subdisks - 1; j++) 544219974Smav pd->pd_meta[j] = pd->pd_meta[j + 1]; 545219974Smav pd->pd_meta[PROMISE_MAX_SUBDISKS - 1] = NULL; 546219974Smav pd->pd_subdisks--; 547219974Smav pd->pd_updated = 1; 548219974Smav } 549219974Smav 550219974Smav /* If there is no metadata left - erase and delete disk. */ 551219974Smav if (pd->pd_subdisks == 0) { 552219974Smav promise_meta_erase(disk->d_consumer); 553219974Smav g_raid_destroy_disk(disk); 554219974Smav res = 1; 555219974Smav } 556219974Smav } 557219974Smav return (res); 558219974Smav} 559219974Smav 560219974Smavstatic int 561219974Smavg_raid_md_promise_supported(int level, int qual, int disks, int force) 562219974Smav{ 563219974Smav 564219974Smav if (disks > PROMISE_MAX_DISKS) 565219974Smav return (0); 566219974Smav switch (level) { 567219974Smav case G_RAID_VOLUME_RL_RAID0: 568219974Smav if (disks < 1) 569219974Smav return (0); 570219974Smav if (!force && disks < 2) 571219974Smav return (0); 572219974Smav break; 573219974Smav case G_RAID_VOLUME_RL_RAID1: 574219974Smav if (disks < 1) 575219974Smav return (0); 576219974Smav if (!force && (disks != 2)) 577219974Smav return (0); 578219974Smav break; 579219974Smav case G_RAID_VOLUME_RL_RAID1E: 580219974Smav if (disks < 2) 581219974Smav return (0); 582219974Smav if (disks % 2 != 0) 583219974Smav return (0); 584219974Smav if (!force && (disks != 4)) 585219974Smav return (0); 586219974Smav break; 587219974Smav case G_RAID_VOLUME_RL_SINGLE: 588219974Smav if (disks != 1) 589219974Smav return (0); 590219974Smav break; 591219974Smav case G_RAID_VOLUME_RL_CONCAT: 592219974Smav if (disks < 2) 593219974Smav return (0); 594219974Smav break; 595219974Smav case G_RAID_VOLUME_RL_RAID5: 596219974Smav if (disks < 3) 597219974Smav return (0); 598234458Smav if (qual != G_RAID_VOLUME_RLQ_R5LA) 599234458Smav return (0); 600219974Smav break; 601219974Smav default: 602219974Smav return (0); 603219974Smav } 604234458Smav if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 605219974Smav return (0); 606219974Smav return (1); 607219974Smav} 608219974Smav 609219974Smavstatic int 610219974Smavg_raid_md_promise_start_disk(struct g_raid_disk *disk, int sdn, 611219974Smav struct g_raid_volume *vol) 612219974Smav{ 613219974Smav struct g_raid_softc *sc; 614219974Smav struct g_raid_subdisk *sd; 615219974Smav struct g_raid_md_promise_perdisk *pd; 616219974Smav struct g_raid_md_promise_pervolume *pv; 617219974Smav struct promise_raid_conf *meta; 618219974Smav off_t size; 619219974Smav int disk_pos, md_disk_pos, i, resurrection = 0; 620219974Smav uint32_t eoff, esize; 621219974Smav 622219974Smav sc = disk->d_softc; 623219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 624219974Smav 625219974Smav pv = vol->v_md_data; 626219974Smav meta = pv->pv_meta; 627219974Smav 628219974Smav if (sdn >= 0) { 629219974Smav /* Find disk position in metadata by it's serial. */ 630219974Smav md_disk_pos = promise_meta_find_disk(meta, pd->pd_meta[sdn]->disk.id); 631219974Smav /* For RAID0+1 we need to translate order. */ 632219974Smav disk_pos = promise_meta_translate_disk(vol, md_disk_pos); 633219974Smav } else { 634219974Smav md_disk_pos = -1; 635219974Smav disk_pos = -1; 636219974Smav } 637219974Smav if (disk_pos < 0) { 638219974Smav G_RAID_DEBUG1(1, sc, "Disk %s is not part of the volume %s", 639219974Smav g_raid_get_diskname(disk), vol->v_name); 640219974Smav /* Failed stale disk is useless for us. */ 641219974Smav if (sdn >= 0 && 642219974Smav pd->pd_meta[sdn]->disk.flags & PROMISE_F_DOWN) { 643219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED); 644219974Smav return (0); 645219974Smav } 646219974Smav /* If we were given specific metadata subdisk - erase it. */ 647219974Smav if (sdn >= 0) { 648219974Smav free(pd->pd_meta[sdn], M_MD_PROMISE); 649219974Smav for (i = sdn; i < pd->pd_subdisks - 1; i++) 650219974Smav pd->pd_meta[i] = pd->pd_meta[i + 1]; 651219974Smav pd->pd_meta[PROMISE_MAX_SUBDISKS - 1] = NULL; 652219974Smav pd->pd_subdisks--; 653219974Smav } 654219974Smav /* If we are in the start process, that's all for now. */ 655219974Smav if (!pv->pv_started) 656219974Smav goto nofit; 657219974Smav /* 658219974Smav * If we have already started - try to get use of the disk. 659219974Smav * Try to replace OFFLINE disks first, then FAILED. 660219974Smav */ 661219974Smav promise_meta_unused_range(pd->pd_meta, pd->pd_subdisks, 662219974Smav disk->d_consumer->provider->mediasize / 663219974Smav disk->d_consumer->provider->sectorsize, 664219974Smav &eoff, &esize); 665219974Smav if (esize == 0) { 666219974Smav G_RAID_DEBUG1(1, sc, "No free space on disk %s", 667219974Smav g_raid_get_diskname(disk)); 668219974Smav goto nofit; 669219974Smav } 670219974Smav size = INT64_MAX; 671219974Smav for (i = 0; i < vol->v_disks_count; i++) { 672219974Smav sd = &vol->v_subdisks[i]; 673219974Smav if (sd->sd_state != G_RAID_SUBDISK_S_NONE) 674219974Smav size = sd->sd_size; 675219974Smav if (sd->sd_state <= G_RAID_SUBDISK_S_FAILED && 676219974Smav (disk_pos < 0 || 677219974Smav vol->v_subdisks[i].sd_state < sd->sd_state)) 678219974Smav disk_pos = i; 679219974Smav } 680219974Smav if (disk_pos >= 0 && 681219974Smav vol->v_raid_level != G_RAID_VOLUME_RL_CONCAT && 682219974Smav (off_t)esize * 512 < size) { 683219974Smav G_RAID_DEBUG1(1, sc, "Disk %s free space " 684219974Smav "is too small (%ju < %ju)", 685219974Smav g_raid_get_diskname(disk), 686219974Smav (off_t)esize * 512, size); 687219974Smav disk_pos = -1; 688219974Smav } 689219974Smav if (disk_pos >= 0) { 690219974Smav if (vol->v_raid_level != G_RAID_VOLUME_RL_CONCAT) 691219974Smav esize = size / 512; 692219974Smav /* For RAID0+1 we need to translate order. */ 693219974Smav md_disk_pos = promise_meta_translate_disk(vol, disk_pos); 694219974Smav } else { 695219974Smavnofit: 696219974Smav if (pd->pd_subdisks == 0) { 697219974Smav g_raid_change_disk_state(disk, 698219974Smav G_RAID_DISK_S_SPARE); 699219974Smav } 700219974Smav return (0); 701219974Smav } 702219974Smav G_RAID_DEBUG1(1, sc, "Disk %s takes pos %d in the volume %s", 703219974Smav g_raid_get_diskname(disk), disk_pos, vol->v_name); 704219974Smav resurrection = 1; 705219974Smav } 706219974Smav 707219974Smav sd = &vol->v_subdisks[disk_pos]; 708219974Smav 709219974Smav if (resurrection && sd->sd_disk != NULL) { 710219974Smav g_raid_change_disk_state(sd->sd_disk, 711219974Smav G_RAID_DISK_S_STALE_FAILED); 712219974Smav TAILQ_REMOVE(&sd->sd_disk->d_subdisks, 713219974Smav sd, sd_next); 714219974Smav } 715219974Smav vol->v_subdisks[disk_pos].sd_disk = disk; 716219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 717219974Smav 718219974Smav /* Welcome the new disk. */ 719219974Smav if (resurrection) 720219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 721219974Smav else if (meta->disks[md_disk_pos].flags & PROMISE_F_DOWN) 722219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 723219974Smav else 724219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 725219974Smav 726219974Smav if (resurrection) { 727219974Smav sd->sd_offset = (off_t)eoff * 512; 728219974Smav sd->sd_size = (off_t)esize * 512; 729219974Smav } else { 730219974Smav sd->sd_offset = (off_t)pd->pd_meta[sdn]->disk_offset * 512; 731219974Smav sd->sd_size = (off_t)pd->pd_meta[sdn]->disk_sectors * 512; 732219974Smav } 733219974Smav 734219974Smav if (resurrection) { 735219974Smav /* Stale disk, almost same as new. */ 736219974Smav g_raid_change_subdisk_state(sd, 737219974Smav G_RAID_SUBDISK_S_NEW); 738219974Smav } else if (meta->disks[md_disk_pos].flags & PROMISE_F_DOWN) { 739219974Smav /* Failed disk. */ 740219974Smav g_raid_change_subdisk_state(sd, 741219974Smav G_RAID_SUBDISK_S_FAILED); 742219974Smav } else if (meta->disks[md_disk_pos].flags & PROMISE_F_REDIR) { 743219974Smav /* Rebuilding disk. */ 744219974Smav g_raid_change_subdisk_state(sd, 745219974Smav G_RAID_SUBDISK_S_REBUILD); 746219974Smav if (pd->pd_meta[sdn]->generation != meta->generation) 747219974Smav sd->sd_rebuild_pos = 0; 748219974Smav else { 749219974Smav sd->sd_rebuild_pos = 750219974Smav (off_t)pd->pd_meta[sdn]->rebuild_lba * 512; 751219974Smav } 752219974Smav } else if (!(meta->disks[md_disk_pos].flags & PROMISE_F_ONLINE)) { 753219974Smav /* Rebuilding disk. */ 754219974Smav g_raid_change_subdisk_state(sd, 755219974Smav G_RAID_SUBDISK_S_NEW); 756219974Smav } else if (pd->pd_meta[sdn]->generation != meta->generation || 757219974Smav (meta->status & PROMISE_S_MARKED)) { 758219974Smav /* Stale disk or dirty volume (unclean shutdown). */ 759219974Smav g_raid_change_subdisk_state(sd, 760219974Smav G_RAID_SUBDISK_S_STALE); 761219974Smav } else { 762219974Smav /* Up to date disk. */ 763219974Smav g_raid_change_subdisk_state(sd, 764219974Smav G_RAID_SUBDISK_S_ACTIVE); 765219974Smav } 766219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 767219974Smav G_RAID_EVENT_SUBDISK); 768219974Smav 769219974Smav return (resurrection); 770219974Smav} 771219974Smav 772219974Smavstatic void 773219974Smavg_raid_md_promise_refill(struct g_raid_softc *sc) 774219974Smav{ 775219974Smav struct g_raid_volume *vol; 776219974Smav struct g_raid_subdisk *sd; 777219974Smav struct g_raid_disk *disk; 778219974Smav struct g_raid_md_object *md; 779219974Smav struct g_raid_md_promise_perdisk *pd; 780219974Smav struct g_raid_md_promise_pervolume *pv; 781219974Smav int update, updated, i, bad; 782219974Smav 783219974Smav md = sc->sc_md; 784219974Smavrestart: 785219974Smav updated = 0; 786219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 787219974Smav pv = vol->v_md_data; 788219974Smav if (!pv->pv_started || vol->v_stopping) 789219974Smav continue; 790219974Smav 791219974Smav /* Search for subdisk that needs replacement. */ 792219974Smav bad = 0; 793219974Smav for (i = 0; i < vol->v_disks_count; i++) { 794219974Smav sd = &vol->v_subdisks[i]; 795219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_NONE || 796219974Smav sd->sd_state == G_RAID_SUBDISK_S_FAILED) 797219974Smav bad = 1; 798219974Smav } 799219974Smav if (!bad) 800219974Smav continue; 801219974Smav 802219974Smav G_RAID_DEBUG1(1, sc, "Volume %s is not complete, " 803219974Smav "trying to refill.", vol->v_name); 804219974Smav 805219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 806219974Smav /* Skip failed. */ 807219974Smav if (disk->d_state < G_RAID_DISK_S_SPARE) 808219974Smav continue; 809219974Smav /* Skip already used by this volume. */ 810219974Smav for (i = 0; i < vol->v_disks_count; i++) { 811219974Smav sd = &vol->v_subdisks[i]; 812219974Smav if (sd->sd_disk == disk) 813219974Smav break; 814219974Smav } 815219974Smav if (i < vol->v_disks_count) 816219974Smav continue; 817219974Smav 818219974Smav /* Try to use disk if it has empty extents. */ 819219974Smav pd = disk->d_md_data; 820219974Smav if (pd->pd_subdisks < PROMISE_MAX_SUBDISKS) { 821219974Smav update = 822219974Smav g_raid_md_promise_start_disk(disk, -1, vol); 823219974Smav } else 824219974Smav update = 0; 825219974Smav if (update) { 826220209Smav updated = 1; 827219974Smav g_raid_md_write_promise(md, vol, NULL, disk); 828219974Smav break; 829219974Smav } 830219974Smav } 831219974Smav } 832219974Smav if (updated) 833219974Smav goto restart; 834219974Smav} 835219974Smav 836219974Smavstatic void 837219974Smavg_raid_md_promise_start(struct g_raid_volume *vol) 838219974Smav{ 839219974Smav struct g_raid_softc *sc; 840219974Smav struct g_raid_subdisk *sd; 841219974Smav struct g_raid_disk *disk; 842219974Smav struct g_raid_md_object *md; 843219974Smav struct g_raid_md_promise_perdisk *pd; 844219974Smav struct g_raid_md_promise_pervolume *pv; 845219974Smav struct promise_raid_conf *meta; 846219974Smav int i; 847219974Smav 848219974Smav sc = vol->v_softc; 849219974Smav md = sc->sc_md; 850219974Smav pv = vol->v_md_data; 851219974Smav meta = pv->pv_meta; 852219974Smav 853234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 854219974Smav if (meta->type == PROMISE_T_RAID0) 855219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 856219974Smav else if (meta->type == PROMISE_T_RAID1) { 857219974Smav if (meta->array_width == 1) 858219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 859219974Smav else 860219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 861219974Smav } else if (meta->type == PROMISE_T_RAID3) 862219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID3; 863234458Smav else if (meta->type == PROMISE_T_RAID5) { 864219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 865234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA; 866234458Smav } else if (meta->type == PROMISE_T_SPAN) 867219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT; 868219974Smav else if (meta->type == PROMISE_T_JBOD) 869219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE; 870219974Smav else 871219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 872219974Smav vol->v_strip_size = 512 << meta->stripe_shift; //ZZZ 873219974Smav vol->v_disks_count = meta->total_disks; 874219974Smav vol->v_mediasize = (off_t)meta->total_sectors * 512; //ZZZ 875226816Smav if (meta->total_sectors_high < 256) /* If value looks sane. */ 876226816Smav vol->v_mediasize |= 877226816Smav ((off_t)meta->total_sectors_high << 32) * 512; //ZZZ 878219974Smav vol->v_sectorsize = 512; //ZZZ 879219974Smav for (i = 0; i < vol->v_disks_count; i++) { 880219974Smav sd = &vol->v_subdisks[i]; 881219974Smav sd->sd_offset = (off_t)meta->disk_offset * 512; //ZZZ 882219974Smav sd->sd_size = (off_t)meta->disk_sectors * 512; //ZZZ 883219974Smav } 884219974Smav g_raid_start_volume(vol); 885219974Smav 886219974Smav /* Make all disks found till the moment take their places. */ 887219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 888219974Smav pd = disk->d_md_data; 889219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 890219974Smav if (pd->pd_meta[i]->volume_id == meta->volume_id) 891219974Smav g_raid_md_promise_start_disk(disk, i, vol); 892219974Smav } 893219974Smav } 894219974Smav 895219974Smav pv->pv_started = 1; 896219974Smav callout_stop(&pv->pv_start_co); 897219974Smav G_RAID_DEBUG1(0, sc, "Volume started."); 898219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 899219974Smav 900219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 901219974Smav g_raid_md_promise_refill(sc); 902219974Smav 903219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME); 904219974Smav} 905219974Smav 906219974Smavstatic void 907219974Smavg_raid_promise_go(void *arg) 908219974Smav{ 909219974Smav struct g_raid_volume *vol; 910219974Smav struct g_raid_softc *sc; 911219974Smav struct g_raid_md_promise_pervolume *pv; 912219974Smav 913219974Smav vol = arg; 914219974Smav pv = vol->v_md_data; 915219974Smav sc = vol->v_softc; 916219974Smav if (!pv->pv_started) { 917219974Smav G_RAID_DEBUG1(0, sc, "Force volume start due to timeout."); 918219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_STARTMD, 919219974Smav G_RAID_EVENT_VOLUME); 920219974Smav } 921219974Smav} 922219974Smav 923219974Smavstatic void 924219974Smavg_raid_md_promise_new_disk(struct g_raid_disk *disk) 925219974Smav{ 926219974Smav struct g_raid_softc *sc; 927219974Smav struct g_raid_md_object *md; 928219974Smav struct promise_raid_conf *pdmeta; 929219974Smav struct g_raid_md_promise_perdisk *pd; 930219974Smav struct g_raid_md_promise_pervolume *pv; 931219974Smav struct g_raid_volume *vol; 932219974Smav int i; 933219974Smav char buf[33]; 934219974Smav 935219974Smav sc = disk->d_softc; 936219974Smav md = sc->sc_md; 937219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 938219974Smav 939219974Smav if (pd->pd_subdisks == 0) { 940219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 941219974Smav g_raid_md_promise_refill(sc); 942219974Smav return; 943219974Smav } 944219974Smav 945219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 946219974Smav pdmeta = pd->pd_meta[i]; 947219974Smav 948219974Smav /* Look for volume with matching ID. */ 949219974Smav vol = g_raid_md_promise_get_volume(sc, pdmeta->volume_id); 950219974Smav if (vol == NULL) { 951219974Smav promise_meta_get_name(pdmeta, buf); 952219974Smav vol = g_raid_create_volume(sc, buf, pdmeta->array_number); 953219974Smav pv = malloc(sizeof(*pv), M_MD_PROMISE, M_WAITOK | M_ZERO); 954219974Smav pv->pv_id = pdmeta->volume_id; 955219974Smav vol->v_md_data = pv; 956219974Smav callout_init(&pv->pv_start_co, 1); 957219974Smav callout_reset(&pv->pv_start_co, 958219974Smav g_raid_start_timeout * hz, 959219974Smav g_raid_promise_go, vol); 960219974Smav } else 961219974Smav pv = vol->v_md_data; 962219974Smav 963219974Smav /* If we haven't started yet - check metadata freshness. */ 964219974Smav if (pv->pv_meta == NULL || !pv->pv_started) { 965219974Smav if (pv->pv_meta == NULL || 966219974Smav ((int16_t)(pdmeta->generation - pv->pv_generation)) > 0) { 967219974Smav G_RAID_DEBUG1(1, sc, "Newer disk"); 968219974Smav if (pv->pv_meta != NULL) 969219974Smav free(pv->pv_meta, M_MD_PROMISE); 970219974Smav pv->pv_meta = promise_meta_copy(pdmeta); 971219974Smav pv->pv_generation = pv->pv_meta->generation; 972219974Smav pv->pv_disks_present = 1; 973219974Smav } else if (pdmeta->generation == pv->pv_generation) { 974219974Smav pv->pv_disks_present++; 975219974Smav G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 976219974Smav pv->pv_disks_present, 977219974Smav pv->pv_meta->total_disks); 978219974Smav } else { 979219974Smav G_RAID_DEBUG1(1, sc, "Older disk"); 980219974Smav } 981219974Smav } 982219974Smav } 983219974Smav 984219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 985219974Smav pdmeta = pd->pd_meta[i]; 986219974Smav 987219974Smav /* Look for volume with matching ID. */ 988219974Smav vol = g_raid_md_promise_get_volume(sc, pdmeta->volume_id); 989219974Smav if (vol == NULL) 990219974Smav continue; 991219974Smav pv = vol->v_md_data; 992219974Smav 993219974Smav if (pv->pv_started) { 994219974Smav if (g_raid_md_promise_start_disk(disk, i, vol)) 995219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 996219974Smav } else { 997219974Smav /* If we collected all needed disks - start array. */ 998219974Smav if (pv->pv_disks_present == pv->pv_meta->total_disks) 999219974Smav g_raid_md_promise_start(vol); 1000219974Smav } 1001219974Smav } 1002219974Smav} 1003219974Smav 1004219974Smavstatic int 1005219974Smavg_raid_md_create_promise(struct g_raid_md_object *md, struct g_class *mp, 1006219974Smav struct g_geom **gp) 1007219974Smav{ 1008219974Smav struct g_geom *geom; 1009219974Smav struct g_raid_softc *sc; 1010219974Smav 1011219974Smav /* Search for existing node. */ 1012219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 1013219974Smav sc = geom->softc; 1014219974Smav if (sc == NULL) 1015219974Smav continue; 1016219974Smav if (sc->sc_stopping != 0) 1017219974Smav continue; 1018219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 1019219974Smav continue; 1020219974Smav break; 1021219974Smav } 1022219974Smav if (geom != NULL) { 1023219974Smav *gp = geom; 1024219974Smav return (G_RAID_MD_TASTE_EXISTING); 1025219974Smav } 1026219974Smav 1027219974Smav /* Create new one if not found. */ 1028219974Smav sc = g_raid_create_node(mp, "Promise", md); 1029219974Smav if (sc == NULL) 1030219974Smav return (G_RAID_MD_TASTE_FAIL); 1031219974Smav md->mdo_softc = sc; 1032219974Smav *gp = sc->sc_geom; 1033219974Smav return (G_RAID_MD_TASTE_NEW); 1034219974Smav} 1035219974Smav 1036219974Smavstatic int 1037219974Smavg_raid_md_taste_promise(struct g_raid_md_object *md, struct g_class *mp, 1038219974Smav struct g_consumer *cp, struct g_geom **gp) 1039219974Smav{ 1040219974Smav struct g_consumer *rcp; 1041219974Smav struct g_provider *pp; 1042219974Smav struct g_raid_softc *sc; 1043219974Smav struct g_raid_disk *disk; 1044219974Smav struct promise_raid_conf *meta, *metaarr[4]; 1045219974Smav struct g_raid_md_promise_perdisk *pd; 1046219974Smav struct g_geom *geom; 1047219974Smav int error, i, j, result, len, subdisks; 1048219974Smav char name[16]; 1049219974Smav uint16_t vendor; 1050219974Smav 1051219974Smav G_RAID_DEBUG(1, "Tasting Promise on %s", cp->provider->name); 1052219974Smav pp = cp->provider; 1053219974Smav 1054219974Smav /* Read metadata from device. */ 1055219974Smav meta = NULL; 1056219974Smav vendor = 0xffff; 1057219974Smav if (g_access(cp, 1, 0, 0) != 0) 1058219974Smav return (G_RAID_MD_TASTE_FAIL); 1059219974Smav g_topology_unlock(); 1060219974Smav len = 2; 1061219974Smav if (pp->geom->rank == 1) 1062219974Smav g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 1063219974Smav subdisks = promise_meta_read(cp, metaarr); 1064219974Smav g_topology_lock(); 1065219974Smav g_access(cp, -1, 0, 0); 1066219974Smav if (subdisks == 0) { 1067219974Smav if (g_raid_aggressive_spare) { 1068219974Smav if (vendor == 0x105a || vendor == 0x1002) { 1069219974Smav G_RAID_DEBUG(1, 1070219974Smav "No Promise metadata, forcing spare."); 1071219974Smav goto search; 1072219974Smav } else { 1073219974Smav G_RAID_DEBUG(1, 1074219974Smav "Promise/ATI vendor mismatch " 1075219974Smav "0x%04x != 0x105a/0x1002", 1076219974Smav vendor); 1077219974Smav } 1078219974Smav } 1079219974Smav return (G_RAID_MD_TASTE_FAIL); 1080219974Smav } 1081219974Smav 1082219974Smav /* Metadata valid. Print it. */ 1083219974Smav for (i = 0; i < subdisks; i++) 1084219974Smav g_raid_md_promise_print(metaarr[i]); 1085219974Smav 1086219974Smav /* Purge meaningless (empty/spare) records. */ 1087219974Smav for (i = 0; i < subdisks; ) { 1088219974Smav if (metaarr[i]->disk.flags & PROMISE_F_ASSIGNED) { 1089219974Smav i++; 1090219974Smav continue; 1091219974Smav } 1092219974Smav free(metaarr[i], M_MD_PROMISE); 1093219974Smav for (j = i; j < subdisks - 1; j++) 1094219974Smav metaarr[i] = metaarr[j + 1]; 1095219974Smav metaarr[PROMISE_MAX_SUBDISKS - 1] = NULL; 1096219974Smav subdisks--; 1097219974Smav } 1098219974Smav 1099219974Smavsearch: 1100219974Smav /* Search for matching node. */ 1101219974Smav sc = NULL; 1102219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 1103219974Smav sc = geom->softc; 1104219974Smav if (sc == NULL) 1105219974Smav continue; 1106219974Smav if (sc->sc_stopping != 0) 1107219974Smav continue; 1108219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 1109219974Smav continue; 1110219974Smav break; 1111219974Smav } 1112219974Smav 1113219974Smav /* Found matching node. */ 1114219974Smav if (geom != NULL) { 1115219974Smav G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 1116219974Smav result = G_RAID_MD_TASTE_EXISTING; 1117219974Smav 1118219974Smav } else { /* Not found matching node -- create one. */ 1119219974Smav result = G_RAID_MD_TASTE_NEW; 1120219974Smav snprintf(name, sizeof(name), "Promise"); 1121219974Smav sc = g_raid_create_node(mp, name, md); 1122219974Smav md->mdo_softc = sc; 1123219974Smav geom = sc->sc_geom; 1124219974Smav } 1125219974Smav 1126219974Smav rcp = g_new_consumer(geom); 1127219974Smav g_attach(rcp, pp); 1128219974Smav if (g_access(rcp, 1, 1, 1) != 0) 1129219974Smav ; //goto fail1; 1130219974Smav 1131219974Smav g_topology_unlock(); 1132219974Smav sx_xlock(&sc->sc_lock); 1133219974Smav 1134219974Smav pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); 1135219974Smav pd->pd_subdisks = subdisks; 1136219974Smav for (i = 0; i < subdisks; i++) 1137219974Smav pd->pd_meta[i] = metaarr[i]; 1138219974Smav disk = g_raid_create_disk(sc); 1139219974Smav disk->d_md_data = (void *)pd; 1140219974Smav disk->d_consumer = rcp; 1141219974Smav rcp->private = disk; 1142219974Smav 1143219974Smav /* Read kernel dumping information. */ 1144219974Smav disk->d_kd.offset = 0; 1145219974Smav disk->d_kd.length = OFF_MAX; 1146219974Smav len = sizeof(disk->d_kd); 1147219974Smav error = g_io_getattr("GEOM::kerneldump", rcp, &len, &disk->d_kd); 1148219974Smav if (disk->d_kd.di.dumper == NULL) 1149219974Smav G_RAID_DEBUG1(2, sc, "Dumping not supported by %s: %d.", 1150219974Smav rcp->provider->name, error); 1151219974Smav 1152219974Smav g_raid_md_promise_new_disk(disk); 1153219974Smav 1154219974Smav sx_xunlock(&sc->sc_lock); 1155219974Smav g_topology_lock(); 1156219974Smav *gp = geom; 1157219974Smav return (result); 1158219974Smav} 1159219974Smav 1160219974Smavstatic int 1161219974Smavg_raid_md_event_promise(struct g_raid_md_object *md, 1162219974Smav struct g_raid_disk *disk, u_int event) 1163219974Smav{ 1164219974Smav struct g_raid_softc *sc; 1165219974Smav 1166219974Smav sc = md->mdo_softc; 1167219974Smav if (disk == NULL) 1168219974Smav return (-1); 1169219974Smav switch (event) { 1170219974Smav case G_RAID_DISK_E_DISCONNECTED: 1171219974Smav /* Delete disk. */ 1172219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1173219974Smav g_raid_destroy_disk(disk); 1174219974Smav g_raid_md_promise_purge_volumes(sc); 1175219974Smav 1176219974Smav /* Write updated metadata to all disks. */ 1177219974Smav g_raid_md_write_promise(md, NULL, NULL, NULL); 1178219974Smav 1179219974Smav /* Check if anything left. */ 1180219974Smav if (g_raid_ndisks(sc, -1) == 0) 1181219974Smav g_raid_destroy_node(sc, 0); 1182219974Smav else 1183219974Smav g_raid_md_promise_refill(sc); 1184219974Smav return (0); 1185219974Smav } 1186219974Smav return (-2); 1187219974Smav} 1188219974Smav 1189219974Smavstatic int 1190219974Smavg_raid_md_volume_event_promise(struct g_raid_md_object *md, 1191219974Smav struct g_raid_volume *vol, u_int event) 1192219974Smav{ 1193219974Smav struct g_raid_md_promise_pervolume *pv; 1194219974Smav 1195219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1196219974Smav switch (event) { 1197219974Smav case G_RAID_VOLUME_E_STARTMD: 1198219974Smav if (!pv->pv_started) 1199219974Smav g_raid_md_promise_start(vol); 1200219974Smav return (0); 1201219974Smav } 1202219974Smav return (-2); 1203219974Smav} 1204219974Smav 1205219974Smavstatic int 1206219974Smavg_raid_md_ctl_promise(struct g_raid_md_object *md, 1207219974Smav struct gctl_req *req) 1208219974Smav{ 1209219974Smav struct g_raid_softc *sc; 1210219974Smav struct g_raid_volume *vol, *vol1; 1211219974Smav struct g_raid_subdisk *sd; 1212219974Smav struct g_raid_disk *disk, *disks[PROMISE_MAX_DISKS]; 1213219974Smav struct g_raid_md_promise_perdisk *pd; 1214219974Smav struct g_raid_md_promise_pervolume *pv; 1215219974Smav struct g_consumer *cp; 1216219974Smav struct g_provider *pp; 1217219974Smav char arg[16]; 1218219974Smav const char *verb, *volname, *levelname, *diskname; 1219219974Smav char *tmp; 1220219974Smav int *nargs, *force; 1221219974Smav off_t size, sectorsize, strip; 1222219974Smav intmax_t *sizearg, *striparg; 1223219974Smav uint32_t offs[PROMISE_MAX_DISKS], esize; 1224219974Smav int numdisks, i, len, level, qual; 1225219974Smav int error; 1226219974Smav 1227219974Smav sc = md->mdo_softc; 1228219974Smav verb = gctl_get_param(req, "verb", NULL); 1229219974Smav nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1230219974Smav error = 0; 1231219974Smav if (strcmp(verb, "label") == 0) { 1232219974Smav 1233219974Smav if (*nargs < 4) { 1234219974Smav gctl_error(req, "Invalid number of arguments."); 1235219974Smav return (-1); 1236219974Smav } 1237219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1238219974Smav if (volname == NULL) { 1239219974Smav gctl_error(req, "No volume name."); 1240219974Smav return (-2); 1241219974Smav } 1242219974Smav levelname = gctl_get_asciiparam(req, "arg2"); 1243219974Smav if (levelname == NULL) { 1244219974Smav gctl_error(req, "No RAID level."); 1245219974Smav return (-3); 1246219974Smav } 1247234458Smav if (strcasecmp(levelname, "RAID5") == 0) 1248234458Smav levelname = "RAID5LA"; 1249219974Smav if (g_raid_volume_str2level(levelname, &level, &qual)) { 1250219974Smav gctl_error(req, "Unknown RAID level '%s'.", levelname); 1251219974Smav return (-4); 1252219974Smav } 1253219974Smav numdisks = *nargs - 3; 1254219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1255219974Smav if (!g_raid_md_promise_supported(level, qual, numdisks, 1256219974Smav force ? *force : 0)) { 1257219974Smav gctl_error(req, "Unsupported RAID level " 1258219974Smav "(0x%02x/0x%02x), or number of disks (%d).", 1259219974Smav level, qual, numdisks); 1260219974Smav return (-5); 1261219974Smav } 1262219974Smav 1263219974Smav /* Search for disks, connect them and probe. */ 1264219974Smav size = INT64_MAX; 1265219974Smav sectorsize = 0; 1266219974Smav bzero(disks, sizeof(disks)); 1267219974Smav bzero(offs, sizeof(offs)); 1268219974Smav for (i = 0; i < numdisks; i++) { 1269219974Smav snprintf(arg, sizeof(arg), "arg%d", i + 3); 1270219974Smav diskname = gctl_get_asciiparam(req, arg); 1271219974Smav if (diskname == NULL) { 1272219974Smav gctl_error(req, "No disk name (%s).", arg); 1273219974Smav error = -6; 1274219974Smav break; 1275219974Smav } 1276219974Smav if (strcmp(diskname, "NONE") == 0) 1277219974Smav continue; 1278219974Smav 1279219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1280219974Smav if (disk->d_consumer != NULL && 1281219974Smav disk->d_consumer->provider != NULL && 1282219974Smav strcmp(disk->d_consumer->provider->name, 1283219974Smav diskname) == 0) 1284219974Smav break; 1285219974Smav } 1286219974Smav if (disk != NULL) { 1287219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 1288219974Smav gctl_error(req, "Disk '%s' is in a " 1289219974Smav "wrong state (%s).", diskname, 1290219974Smav g_raid_disk_state2str(disk->d_state)); 1291219974Smav error = -7; 1292219974Smav break; 1293219974Smav } 1294219974Smav pd = disk->d_md_data; 1295219974Smav if (pd->pd_subdisks >= PROMISE_MAX_SUBDISKS) { 1296219974Smav gctl_error(req, "Disk '%s' already " 1297219974Smav "used by %d volumes.", 1298219974Smav diskname, pd->pd_subdisks); 1299219974Smav error = -7; 1300219974Smav break; 1301219974Smav } 1302219974Smav pp = disk->d_consumer->provider; 1303219974Smav disks[i] = disk; 1304219974Smav promise_meta_unused_range(pd->pd_meta, 1305219974Smav pd->pd_subdisks, 1306219974Smav pp->mediasize / pp->sectorsize, 1307219974Smav &offs[i], &esize); 1308219974Smav size = MIN(size, (off_t)esize * pp->sectorsize); 1309219974Smav sectorsize = MAX(sectorsize, pp->sectorsize); 1310219974Smav continue; 1311219974Smav } 1312219974Smav 1313219974Smav g_topology_lock(); 1314219974Smav cp = g_raid_open_consumer(sc, diskname); 1315219974Smav if (cp == NULL) { 1316219974Smav gctl_error(req, "Can't open disk '%s'.", 1317219974Smav diskname); 1318219974Smav g_topology_unlock(); 1319219974Smav error = -8; 1320219974Smav break; 1321219974Smav } 1322219974Smav pp = cp->provider; 1323219974Smav pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); 1324219974Smav disk = g_raid_create_disk(sc); 1325219974Smav disk->d_md_data = (void *)pd; 1326219974Smav disk->d_consumer = cp; 1327219974Smav disks[i] = disk; 1328219974Smav cp->private = disk; 1329219974Smav g_topology_unlock(); 1330219974Smav 1331226816Smav if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1332226816Smav gctl_error(req, 1333226816Smav "Disk '%s' is too big.", diskname); 1334226816Smav error = -8; 1335226816Smav break; 1336226816Smav } 1337226816Smav 1338219974Smav /* Read kernel dumping information. */ 1339219974Smav disk->d_kd.offset = 0; 1340219974Smav disk->d_kd.length = OFF_MAX; 1341219974Smav len = sizeof(disk->d_kd); 1342219974Smav g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd); 1343219974Smav if (disk->d_kd.di.dumper == NULL) 1344219974Smav G_RAID_DEBUG1(2, sc, 1345219974Smav "Dumping not supported by %s.", 1346219974Smav cp->provider->name); 1347219974Smav 1348219974Smav /* Reserve some space for metadata. */ 1349219974Smav size = MIN(size, pp->mediasize - 131072llu * pp->sectorsize); 1350219974Smav sectorsize = MAX(sectorsize, pp->sectorsize); 1351219974Smav } 1352219974Smav if (error != 0) { 1353219974Smav for (i = 0; i < numdisks; i++) { 1354219974Smav if (disks[i] != NULL && 1355219974Smav disks[i]->d_state == G_RAID_DISK_S_NONE) 1356219974Smav g_raid_destroy_disk(disks[i]); 1357219974Smav } 1358219974Smav return (error); 1359219974Smav } 1360219974Smav 1361220210Smav if (sectorsize <= 0) { 1362220210Smav gctl_error(req, "Can't get sector size."); 1363220210Smav return (-8); 1364220210Smav } 1365220210Smav 1366219974Smav /* Handle size argument. */ 1367219974Smav len = sizeof(*sizearg); 1368219974Smav sizearg = gctl_get_param(req, "size", &len); 1369219974Smav if (sizearg != NULL && len == sizeof(*sizearg) && 1370219974Smav *sizearg > 0) { 1371219974Smav if (*sizearg > size) { 1372219974Smav gctl_error(req, "Size too big %lld > %lld.", 1373219974Smav (long long)*sizearg, (long long)size); 1374219974Smav return (-9); 1375219974Smav } 1376219974Smav size = *sizearg; 1377219974Smav } 1378219974Smav 1379219974Smav /* Handle strip argument. */ 1380219974Smav strip = 131072; 1381219974Smav len = sizeof(*striparg); 1382219974Smav striparg = gctl_get_param(req, "strip", &len); 1383219974Smav if (striparg != NULL && len == sizeof(*striparg) && 1384219974Smav *striparg > 0) { 1385219974Smav if (*striparg < sectorsize) { 1386219974Smav gctl_error(req, "Strip size too small."); 1387219974Smav return (-10); 1388219974Smav } 1389219974Smav if (*striparg % sectorsize != 0) { 1390219974Smav gctl_error(req, "Incorrect strip size."); 1391219974Smav return (-11); 1392219974Smav } 1393219974Smav strip = *striparg; 1394219974Smav } 1395219974Smav 1396219974Smav /* Round size down to strip or sector. */ 1397219974Smav if (level == G_RAID_VOLUME_RL_RAID1 || 1398219974Smav level == G_RAID_VOLUME_RL_SINGLE || 1399219974Smav level == G_RAID_VOLUME_RL_CONCAT) 1400219974Smav size -= (size % sectorsize); 1401219974Smav else if (level == G_RAID_VOLUME_RL_RAID1E && 1402219974Smav (numdisks & 1) != 0) 1403219974Smav size -= (size % (2 * strip)); 1404219974Smav else 1405219974Smav size -= (size % strip); 1406219974Smav if (size <= 0) { 1407219974Smav gctl_error(req, "Size too small."); 1408219974Smav return (-13); 1409219974Smav } 1410219974Smav if (size > 0xffffffffllu * sectorsize) { 1411219974Smav gctl_error(req, "Size too big."); 1412219974Smav return (-14); 1413219974Smav } 1414219974Smav 1415219974Smav /* We have all we need, create things: volume, ... */ 1416219974Smav pv = malloc(sizeof(*pv), M_MD_PROMISE, M_WAITOK | M_ZERO); 1417219974Smav arc4rand(&pv->pv_id, sizeof(pv->pv_id), 0); 1418219974Smav pv->pv_generation = 0; 1419219974Smav pv->pv_started = 1; 1420219974Smav vol = g_raid_create_volume(sc, volname, -1); 1421219974Smav vol->v_md_data = pv; 1422219974Smav vol->v_raid_level = level; 1423234458Smav vol->v_raid_level_qualifier = qual; 1424219974Smav vol->v_strip_size = strip; 1425219974Smav vol->v_disks_count = numdisks; 1426219974Smav if (level == G_RAID_VOLUME_RL_RAID0 || 1427219974Smav level == G_RAID_VOLUME_RL_CONCAT || 1428219974Smav level == G_RAID_VOLUME_RL_SINGLE) 1429219974Smav vol->v_mediasize = size * numdisks; 1430219974Smav else if (level == G_RAID_VOLUME_RL_RAID1) 1431219974Smav vol->v_mediasize = size; 1432219974Smav else if (level == G_RAID_VOLUME_RL_RAID3 || 1433219974Smav level == G_RAID_VOLUME_RL_RAID5) 1434219974Smav vol->v_mediasize = size * (numdisks - 1); 1435219974Smav else { /* RAID1E */ 1436219974Smav vol->v_mediasize = ((size * numdisks) / strip / 2) * 1437219974Smav strip; 1438219974Smav } 1439219974Smav vol->v_sectorsize = sectorsize; 1440219974Smav g_raid_start_volume(vol); 1441219974Smav 1442219974Smav /* , and subdisks. */ 1443219974Smav for (i = 0; i < numdisks; i++) { 1444219974Smav disk = disks[i]; 1445219974Smav sd = &vol->v_subdisks[i]; 1446219974Smav sd->sd_disk = disk; 1447219974Smav sd->sd_offset = (off_t)offs[i] * 512; 1448219974Smav sd->sd_size = size; 1449219974Smav if (disk == NULL) 1450219974Smav continue; 1451219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1452219974Smav g_raid_change_disk_state(disk, 1453219974Smav G_RAID_DISK_S_ACTIVE); 1454219974Smav g_raid_change_subdisk_state(sd, 1455219974Smav G_RAID_SUBDISK_S_ACTIVE); 1456219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1457219974Smav G_RAID_EVENT_SUBDISK); 1458219974Smav } 1459219974Smav 1460219974Smav /* Write metadata based on created entities. */ 1461219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 1462219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 1463219974Smav 1464219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 1465219974Smav g_raid_md_promise_refill(sc); 1466219974Smav 1467219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1468219974Smav G_RAID_EVENT_VOLUME); 1469219974Smav return (0); 1470219974Smav } 1471219974Smav if (strcmp(verb, "add") == 0) { 1472219974Smav 1473219974Smav gctl_error(req, "`add` command is not applicable, " 1474219974Smav "use `label` instead."); 1475219974Smav return (-99); 1476219974Smav } 1477219974Smav if (strcmp(verb, "delete") == 0) { 1478219974Smav 1479219974Smav /* Full node destruction. */ 1480219974Smav if (*nargs == 1) { 1481219974Smav /* Check if some volume is still open. */ 1482219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1483219974Smav if (force != NULL && *force == 0 && 1484219974Smav g_raid_nopens(sc) != 0) { 1485219974Smav gctl_error(req, "Some volume is still open."); 1486219974Smav return (-4); 1487219974Smav } 1488219974Smav 1489219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1490219974Smav if (disk->d_consumer) 1491219974Smav promise_meta_erase(disk->d_consumer); 1492219974Smav } 1493219974Smav g_raid_destroy_node(sc, 0); 1494219974Smav return (0); 1495219974Smav } 1496219974Smav 1497219974Smav /* Destroy specified volume. If it was last - all node. */ 1498219974Smav if (*nargs != 2) { 1499219974Smav gctl_error(req, "Invalid number of arguments."); 1500219974Smav return (-1); 1501219974Smav } 1502219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1503219974Smav if (volname == NULL) { 1504219974Smav gctl_error(req, "No volume name."); 1505219974Smav return (-2); 1506219974Smav } 1507219974Smav 1508219974Smav /* Search for volume. */ 1509219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1510219974Smav if (strcmp(vol->v_name, volname) == 0) 1511219974Smav break; 1512219974Smav } 1513219974Smav if (vol == NULL) { 1514219974Smav i = strtol(volname, &tmp, 10); 1515219974Smav if (verb != volname && tmp[0] == 0) { 1516219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1517219974Smav if (vol->v_global_id == i) 1518219974Smav break; 1519219974Smav } 1520219974Smav } 1521219974Smav } 1522219974Smav if (vol == NULL) { 1523219974Smav gctl_error(req, "Volume '%s' not found.", volname); 1524219974Smav return (-3); 1525219974Smav } 1526219974Smav 1527219974Smav /* Check if volume is still open. */ 1528219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1529219974Smav if (force != NULL && *force == 0 && 1530219974Smav vol->v_provider_open != 0) { 1531219974Smav gctl_error(req, "Volume is still open."); 1532219974Smav return (-4); 1533219974Smav } 1534219974Smav 1535219974Smav /* Destroy volume and potentially node. */ 1536219974Smav i = 0; 1537219974Smav TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next) 1538219974Smav i++; 1539219974Smav if (i >= 2) { 1540219974Smav g_raid_destroy_volume(vol); 1541219974Smav g_raid_md_promise_purge_disks(sc); 1542219974Smav g_raid_md_write_promise(md, NULL, NULL, NULL); 1543219974Smav } else { 1544219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1545219974Smav if (disk->d_consumer) 1546219974Smav promise_meta_erase(disk->d_consumer); 1547219974Smav } 1548219974Smav g_raid_destroy_node(sc, 0); 1549219974Smav } 1550219974Smav return (0); 1551219974Smav } 1552219974Smav if (strcmp(verb, "remove") == 0 || 1553219974Smav strcmp(verb, "fail") == 0) { 1554219974Smav if (*nargs < 2) { 1555219974Smav gctl_error(req, "Invalid number of arguments."); 1556219974Smav return (-1); 1557219974Smav } 1558219974Smav for (i = 1; i < *nargs; i++) { 1559219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1560219974Smav diskname = gctl_get_asciiparam(req, arg); 1561219974Smav if (diskname == NULL) { 1562219974Smav gctl_error(req, "No disk name (%s).", arg); 1563219974Smav error = -2; 1564219974Smav break; 1565219974Smav } 1566219974Smav if (strncmp(diskname, "/dev/", 5) == 0) 1567219974Smav diskname += 5; 1568219974Smav 1569219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1570219974Smav if (disk->d_consumer != NULL && 1571219974Smav disk->d_consumer->provider != NULL && 1572219974Smav strcmp(disk->d_consumer->provider->name, 1573219974Smav diskname) == 0) 1574219974Smav break; 1575219974Smav } 1576219974Smav if (disk == NULL) { 1577219974Smav gctl_error(req, "Disk '%s' not found.", 1578219974Smav diskname); 1579219974Smav error = -3; 1580219974Smav break; 1581219974Smav } 1582219974Smav 1583219974Smav if (strcmp(verb, "fail") == 0) { 1584219974Smav g_raid_md_fail_disk_promise(md, NULL, disk); 1585219974Smav continue; 1586219974Smav } 1587219974Smav 1588219974Smav /* Erase metadata on deleting disk and destroy it. */ 1589219974Smav promise_meta_erase(disk->d_consumer); 1590219974Smav g_raid_destroy_disk(disk); 1591219974Smav } 1592219974Smav g_raid_md_promise_purge_volumes(sc); 1593219974Smav 1594219974Smav /* Write updated metadata to remaining disks. */ 1595219974Smav g_raid_md_write_promise(md, NULL, NULL, NULL); 1596219974Smav 1597219974Smav /* Check if anything left. */ 1598219974Smav if (g_raid_ndisks(sc, -1) == 0) 1599219974Smav g_raid_destroy_node(sc, 0); 1600219974Smav else 1601219974Smav g_raid_md_promise_refill(sc); 1602219974Smav return (error); 1603219974Smav } 1604219974Smav if (strcmp(verb, "insert") == 0) { 1605219974Smav if (*nargs < 2) { 1606219974Smav gctl_error(req, "Invalid number of arguments."); 1607219974Smav return (-1); 1608219974Smav } 1609219974Smav for (i = 1; i < *nargs; i++) { 1610219974Smav /* Get disk name. */ 1611219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1612219974Smav diskname = gctl_get_asciiparam(req, arg); 1613219974Smav if (diskname == NULL) { 1614219974Smav gctl_error(req, "No disk name (%s).", arg); 1615219974Smav error = -3; 1616219974Smav break; 1617219974Smav } 1618219974Smav 1619219974Smav /* Try to find provider with specified name. */ 1620219974Smav g_topology_lock(); 1621219974Smav cp = g_raid_open_consumer(sc, diskname); 1622219974Smav if (cp == NULL) { 1623219974Smav gctl_error(req, "Can't open disk '%s'.", 1624219974Smav diskname); 1625219974Smav g_topology_unlock(); 1626219974Smav error = -4; 1627219974Smav break; 1628219974Smav } 1629226816Smav pp = cp->provider; 1630219974Smav g_topology_unlock(); 1631219974Smav 1632226816Smav if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1633226816Smav gctl_error(req, 1634226816Smav "Disk '%s' is too big.", diskname); 1635226816Smav g_raid_kill_consumer(sc, cp); 1636226816Smav error = -8; 1637226816Smav break; 1638226816Smav } 1639226816Smav 1640219974Smav pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); 1641219974Smav 1642219974Smav disk = g_raid_create_disk(sc); 1643219974Smav disk->d_consumer = cp; 1644219974Smav disk->d_md_data = (void *)pd; 1645219974Smav cp->private = disk; 1646219974Smav 1647219974Smav /* Read kernel dumping information. */ 1648219974Smav disk->d_kd.offset = 0; 1649219974Smav disk->d_kd.length = OFF_MAX; 1650219974Smav len = sizeof(disk->d_kd); 1651219974Smav g_io_getattr("GEOM::kerneldump", cp, &len, &disk->d_kd); 1652219974Smav if (disk->d_kd.di.dumper == NULL) 1653219974Smav G_RAID_DEBUG1(2, sc, 1654219974Smav "Dumping not supported by %s.", 1655219974Smav cp->provider->name); 1656219974Smav 1657219974Smav /* Welcome the "new" disk. */ 1658219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 1659219974Smav promise_meta_write_spare(cp); 1660219974Smav g_raid_md_promise_refill(sc); 1661219974Smav } 1662219974Smav return (error); 1663219974Smav } 1664219974Smav return (-100); 1665219974Smav} 1666219974Smav 1667219974Smavstatic int 1668219974Smavg_raid_md_write_promise(struct g_raid_md_object *md, struct g_raid_volume *tvol, 1669219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1670219974Smav{ 1671219974Smav struct g_raid_softc *sc; 1672219974Smav struct g_raid_volume *vol; 1673219974Smav struct g_raid_subdisk *sd; 1674219974Smav struct g_raid_disk *disk; 1675219974Smav struct g_raid_md_promise_perdisk *pd; 1676219974Smav struct g_raid_md_promise_pervolume *pv; 1677219974Smav struct promise_raid_conf *meta; 1678219974Smav off_t rebuild_lba64; 1679219974Smav int i, j, pos, rebuild; 1680219974Smav 1681219974Smav sc = md->mdo_softc; 1682219974Smav 1683219974Smav if (sc->sc_stopping == G_RAID_DESTROY_HARD) 1684219974Smav return (0); 1685219974Smav 1686219974Smav /* Generate new per-volume metadata for affected volumes. */ 1687219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1688219974Smav if (vol->v_stopping) 1689219974Smav continue; 1690219974Smav 1691219974Smav /* Skip volumes not related to specified targets. */ 1692219974Smav if (tvol != NULL && vol != tvol) 1693219974Smav continue; 1694219974Smav if (tsd != NULL && vol != tsd->sd_volume) 1695219974Smav continue; 1696219974Smav if (tdisk != NULL) { 1697219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1698219974Smav if (vol->v_subdisks[i].sd_disk == tdisk) 1699219974Smav break; 1700219974Smav } 1701219974Smav if (i >= vol->v_disks_count) 1702219974Smav continue; 1703219974Smav } 1704219974Smav 1705219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1706219974Smav pv->pv_generation++; 1707219974Smav 1708219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK | M_ZERO); 1709219974Smav if (pv->pv_meta != NULL) 1710219974Smav memcpy(meta, pv->pv_meta, sizeof(*meta)); 1711220209Smav memcpy(meta->promise_id, PROMISE_MAGIC, 1712220209Smav sizeof(PROMISE_MAGIC) - 1); 1713219974Smav meta->dummy_0 = 0x00020000; 1714219974Smav meta->integrity = PROMISE_I_VALID; 1715219974Smav 1716219974Smav meta->generation = pv->pv_generation; 1717219974Smav meta->status = PROMISE_S_VALID | PROMISE_S_ONLINE | 1718219974Smav PROMISE_S_INITED | PROMISE_S_READY; 1719219974Smav if (vol->v_state <= G_RAID_VOLUME_S_DEGRADED) 1720219974Smav meta->status |= PROMISE_S_DEGRADED; 1721219974Smav if (vol->v_dirty) 1722219974Smav meta->status |= PROMISE_S_MARKED; /* XXX: INVENTED! */ 1723219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0 || 1724219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE) 1725219974Smav meta->type = PROMISE_T_RAID0; 1726219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1727219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 1728219974Smav meta->type = PROMISE_T_RAID1; 1729219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID3) 1730219974Smav meta->type = PROMISE_T_RAID3; 1731219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 1732219974Smav meta->type = PROMISE_T_RAID5; 1733219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT) 1734219974Smav meta->type = PROMISE_T_SPAN; 1735219974Smav else 1736219974Smav meta->type = PROMISE_T_JBOD; 1737219974Smav meta->total_disks = vol->v_disks_count; 1738219974Smav meta->stripe_shift = ffs(vol->v_strip_size / 1024); 1739219974Smav meta->array_width = vol->v_disks_count; 1740219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1741219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 1742219974Smav meta->array_width /= 2; 1743219974Smav meta->array_number = vol->v_global_id; 1744219974Smav meta->total_sectors = vol->v_mediasize / vol->v_sectorsize; 1745226816Smav meta->total_sectors_high = 1746226816Smav (vol->v_mediasize / vol->v_sectorsize) >> 32; 1747219974Smav meta->cylinders = meta->total_sectors / (255 * 63) - 1; 1748219974Smav meta->heads = 254; 1749219974Smav meta->sectors = 63; 1750219974Smav meta->volume_id = pv->pv_id; 1751219974Smav rebuild_lba64 = UINT64_MAX; 1752219974Smav rebuild = 0; 1753219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1754219974Smav sd = &vol->v_subdisks[i]; 1755219974Smav /* For RAID0+1 we need to translate order. */ 1756219974Smav pos = promise_meta_translate_disk(vol, i); 1757219974Smav meta->disks[pos].flags = PROMISE_F_VALID | 1758219974Smav PROMISE_F_ASSIGNED; 1759219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_NONE) { 1760219974Smav meta->disks[pos].flags |= 0; 1761219974Smav } else if (sd->sd_state == G_RAID_SUBDISK_S_FAILED) { 1762219974Smav meta->disks[pos].flags |= 1763219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1764219974Smav } else if (sd->sd_state <= G_RAID_SUBDISK_S_REBUILD) { 1765219974Smav meta->disks[pos].flags |= 1766219974Smav PROMISE_F_ONLINE | PROMISE_F_REDIR; 1767219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) { 1768219974Smav rebuild_lba64 = MIN(rebuild_lba64, 1769219974Smav sd->sd_rebuild_pos / 512); 1770219974Smav } else 1771219974Smav rebuild_lba64 = 0; 1772219974Smav rebuild = 1; 1773219974Smav } else { 1774219974Smav meta->disks[pos].flags |= PROMISE_F_ONLINE; 1775219974Smav if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE) { 1776219974Smav meta->status |= PROMISE_S_MARKED; 1777219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC) { 1778219974Smav rebuild_lba64 = MIN(rebuild_lba64, 1779219974Smav sd->sd_rebuild_pos / 512); 1780219974Smav } else 1781219974Smav rebuild_lba64 = 0; 1782219974Smav } 1783219974Smav } 1784219974Smav if (pv->pv_meta != NULL) { 1785219974Smav meta->disks[pos].id = pv->pv_meta->disks[pos].id; 1786219974Smav } else { 1787219974Smav meta->disks[pos].number = i * 2; 1788219974Smav arc4rand(&meta->disks[pos].id, 1789219974Smav sizeof(meta->disks[pos].id), 0); 1790219974Smav } 1791219974Smav } 1792219974Smav promise_meta_put_name(meta, vol->v_name); 1793219974Smav 1794219974Smav /* Try to mimic AMD BIOS rebuild/resync behavior. */ 1795219974Smav if (rebuild_lba64 != UINT64_MAX) { 1796219974Smav if (rebuild) 1797219974Smav meta->magic_3 = 0x03040010UL; /* Rebuild? */ 1798219974Smav else 1799219974Smav meta->magic_3 = 0x03040008UL; /* Resync? */ 1800219974Smav /* Translate from per-disk to per-volume LBA. */ 1801219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1802219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 1803219974Smav rebuild_lba64 *= meta->array_width; 1804219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID3 || 1805219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) { 1806219974Smav rebuild_lba64 *= meta->array_width - 1; 1807219974Smav } else 1808219974Smav rebuild_lba64 = 0; 1809219974Smav } else 1810219974Smav meta->magic_3 = 0x03000000UL; 1811219974Smav meta->rebuild_lba64 = rebuild_lba64; 1812219974Smav meta->magic_4 = 0x04010101UL; 1813219974Smav 1814219974Smav /* Replace per-volume metadata with new. */ 1815219974Smav if (pv->pv_meta != NULL) 1816219974Smav free(pv->pv_meta, M_MD_PROMISE); 1817219974Smav pv->pv_meta = meta; 1818219974Smav 1819219974Smav /* Copy new metadata to the disks, adding or replacing old. */ 1820219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1821219974Smav sd = &vol->v_subdisks[i]; 1822219974Smav disk = sd->sd_disk; 1823219974Smav if (disk == NULL) 1824219974Smav continue; 1825219974Smav /* For RAID0+1 we need to translate order. */ 1826219974Smav pos = promise_meta_translate_disk(vol, i); 1827219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1828219974Smav for (j = 0; j < pd->pd_subdisks; j++) { 1829219974Smav if (pd->pd_meta[j]->volume_id == meta->volume_id) 1830219974Smav break; 1831219974Smav } 1832219974Smav if (j == pd->pd_subdisks) 1833219974Smav pd->pd_subdisks++; 1834219974Smav if (pd->pd_meta[j] != NULL) 1835219974Smav free(pd->pd_meta[j], M_MD_PROMISE); 1836219974Smav pd->pd_meta[j] = promise_meta_copy(meta); 1837219974Smav pd->pd_meta[j]->disk = meta->disks[pos]; 1838219974Smav pd->pd_meta[j]->disk.number = pos; 1839219974Smav pd->pd_meta[j]->disk_offset = sd->sd_offset / 512; 1840219974Smav pd->pd_meta[j]->disk_sectors = sd->sd_size / 512; 1841219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) { 1842219974Smav pd->pd_meta[j]->rebuild_lba = 1843219974Smav sd->sd_rebuild_pos / 512; 1844219974Smav } else if (sd->sd_state < G_RAID_SUBDISK_S_REBUILD) 1845219974Smav pd->pd_meta[j]->rebuild_lba = 0; 1846219974Smav else 1847219974Smav pd->pd_meta[j]->rebuild_lba = UINT32_MAX; 1848219974Smav pd->pd_updated = 1; 1849219974Smav } 1850219974Smav } 1851219974Smav 1852219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1853219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1854219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) 1855219974Smav continue; 1856219974Smav if (!pd->pd_updated) 1857219974Smav continue; 1858219974Smav G_RAID_DEBUG(1, "Writing Promise metadata to %s", 1859219974Smav g_raid_get_diskname(disk)); 1860219974Smav for (i = 0; i < pd->pd_subdisks; i++) 1861219974Smav g_raid_md_promise_print(pd->pd_meta[i]); 1862219974Smav promise_meta_write(disk->d_consumer, 1863219974Smav pd->pd_meta, pd->pd_subdisks); 1864219974Smav pd->pd_updated = 0; 1865219974Smav } 1866219974Smav 1867219974Smav return (0); 1868219974Smav} 1869219974Smav 1870219974Smavstatic int 1871219974Smavg_raid_md_fail_disk_promise(struct g_raid_md_object *md, 1872219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1873219974Smav{ 1874219974Smav struct g_raid_softc *sc; 1875219974Smav struct g_raid_md_promise_perdisk *pd; 1876219974Smav struct g_raid_subdisk *sd; 1877219974Smav int i, pos; 1878219974Smav 1879219974Smav sc = md->mdo_softc; 1880219974Smav pd = (struct g_raid_md_promise_perdisk *)tdisk->d_md_data; 1881219974Smav 1882219974Smav /* We can't fail disk that is not a part of array now. */ 1883219974Smav if (tdisk->d_state != G_RAID_DISK_S_ACTIVE) 1884219974Smav return (-1); 1885219974Smav 1886219974Smav /* 1887219974Smav * Mark disk as failed in metadata and try to write that metadata 1888219974Smav * to the disk itself to prevent it's later resurrection as STALE. 1889219974Smav */ 1890219974Smav if (pd->pd_subdisks > 0 && tdisk->d_consumer != NULL) 1891219974Smav G_RAID_DEBUG(1, "Writing Promise metadata to %s", 1892219974Smav g_raid_get_diskname(tdisk)); 1893219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 1894219974Smav pd->pd_meta[i]->disk.flags |= 1895219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1896219974Smav pos = pd->pd_meta[i]->disk.number; 1897219974Smav if (pos >= 0 && pos < PROMISE_MAX_DISKS) { 1898219974Smav pd->pd_meta[i]->disks[pos].flags |= 1899219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1900219974Smav } 1901219974Smav g_raid_md_promise_print(pd->pd_meta[i]); 1902219974Smav } 1903219974Smav if (tdisk->d_consumer != NULL) 1904219974Smav promise_meta_write(tdisk->d_consumer, 1905219974Smav pd->pd_meta, pd->pd_subdisks); 1906219974Smav 1907219974Smav /* Change states. */ 1908219974Smav g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 1909219974Smav TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 1910219974Smav g_raid_change_subdisk_state(sd, 1911219974Smav G_RAID_SUBDISK_S_FAILED); 1912219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 1913219974Smav G_RAID_EVENT_SUBDISK); 1914219974Smav } 1915219974Smav 1916219974Smav /* Write updated metadata to remaining disks. */ 1917219974Smav g_raid_md_write_promise(md, NULL, NULL, tdisk); 1918219974Smav 1919219974Smav g_raid_md_promise_refill(sc); 1920219974Smav return (0); 1921219974Smav} 1922219974Smav 1923219974Smavstatic int 1924219974Smavg_raid_md_free_disk_promise(struct g_raid_md_object *md, 1925219974Smav struct g_raid_disk *disk) 1926219974Smav{ 1927219974Smav struct g_raid_md_promise_perdisk *pd; 1928219974Smav int i; 1929219974Smav 1930219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1931219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 1932219974Smav if (pd->pd_meta[i] != NULL) { 1933219974Smav free(pd->pd_meta[i], M_MD_PROMISE); 1934219974Smav pd->pd_meta[i] = NULL; 1935219974Smav } 1936219974Smav } 1937219974Smav free(pd, M_MD_PROMISE); 1938219974Smav disk->d_md_data = NULL; 1939219974Smav return (0); 1940219974Smav} 1941219974Smav 1942219974Smavstatic int 1943219974Smavg_raid_md_free_volume_promise(struct g_raid_md_object *md, 1944219974Smav struct g_raid_volume *vol) 1945219974Smav{ 1946219974Smav struct g_raid_md_promise_pervolume *pv; 1947219974Smav 1948219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1949219974Smav if (pv && pv->pv_meta != NULL) { 1950219974Smav free(pv->pv_meta, M_MD_PROMISE); 1951219974Smav pv->pv_meta = NULL; 1952219974Smav } 1953219974Smav if (pv && !pv->pv_started) { 1954219974Smav pv->pv_started = 1; 1955219974Smav callout_stop(&pv->pv_start_co); 1956219974Smav } 1957219974Smav return (0); 1958219974Smav} 1959219974Smav 1960219974Smavstatic int 1961219974Smavg_raid_md_free_promise(struct g_raid_md_object *md) 1962219974Smav{ 1963219974Smav 1964219974Smav return (0); 1965219974Smav} 1966219974Smav 1967219974SmavG_RAID_MD_DECLARE(g_raid_md_promise); 1968