md_promise.c revision 242323
1219974Smav/*- 2219974Smav * Copyright (c) 2011 Alexander Motin <mav@FreeBSD.org> 3234601Smav * Copyright (c) 2000 - 2008 S��ren Schmidt <sos@FreeBSD.org> 4219974Smav * All rights reserved. 5219974Smav * 6219974Smav * Redistribution and use in source and binary forms, with or without 7219974Smav * modification, are permitted provided that the following conditions 8219974Smav * are met: 9219974Smav * 1. Redistributions of source code must retain the above copyright 10219974Smav * notice, this list of conditions and the following disclaimer. 11219974Smav * 2. Redistributions in binary form must reproduce the above copyright 12219974Smav * notice, this list of conditions and the following disclaimer in the 13219974Smav * documentation and/or other materials provided with the distribution. 14219974Smav * 15219974Smav * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 16219974Smav * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17219974Smav * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18219974Smav * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 19219974Smav * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20219974Smav * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21219974Smav * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22219974Smav * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23219974Smav * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24219974Smav * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25219974Smav * SUCH DAMAGE. 26219974Smav */ 27219974Smav 28219974Smav#include <sys/cdefs.h> 29219974Smav__FBSDID("$FreeBSD: head/sys/geom/raid/md_promise.c 242323 2012-10-29 18:04:38Z mav $"); 30219974Smav 31219974Smav#include <sys/param.h> 32219974Smav#include <sys/bio.h> 33219974Smav#include <sys/endian.h> 34219974Smav#include <sys/kernel.h> 35219974Smav#include <sys/kobj.h> 36219974Smav#include <sys/limits.h> 37219974Smav#include <sys/lock.h> 38219974Smav#include <sys/malloc.h> 39219974Smav#include <sys/mutex.h> 40219974Smav#include <sys/systm.h> 41219974Smav#include <geom/geom.h> 42219974Smav#include "geom/raid/g_raid.h" 43219974Smav#include "g_raid_md_if.h" 44219974Smav 45219974Smavstatic MALLOC_DEFINE(M_MD_PROMISE, "md_promise_data", "GEOM_RAID Promise metadata"); 46219974Smav 47219974Smav#define PROMISE_MAX_DISKS 8 48219974Smav#define PROMISE_MAX_SUBDISKS 2 49219974Smav#define PROMISE_META_OFFSET 14 50219974Smav 51219974Smavstruct promise_raid_disk { 52219974Smav uint8_t flags; /* Subdisk status. */ 53219974Smav#define PROMISE_F_VALID 0x01 54219974Smav#define PROMISE_F_ONLINE 0x02 55219974Smav#define PROMISE_F_ASSIGNED 0x04 56219974Smav#define PROMISE_F_SPARE 0x08 57219974Smav#define PROMISE_F_DUPLICATE 0x10 58219974Smav#define PROMISE_F_REDIR 0x20 59219974Smav#define PROMISE_F_DOWN 0x40 60219974Smav#define PROMISE_F_READY 0x80 61219974Smav 62219974Smav uint8_t number; /* Position in a volume. */ 63219974Smav uint8_t channel; /* ATA channel number. */ 64219974Smav uint8_t device; /* ATA device number. */ 65219974Smav uint64_t id __packed; /* Subdisk ID. */ 66219974Smav} __packed; 67219974Smav 68219974Smavstruct promise_raid_conf { 69219974Smav char promise_id[24]; 70219974Smav#define PROMISE_MAGIC "Promise Technology, Inc." 71219974Smav#define FREEBSD_MAGIC "FreeBSD ATA driver RAID " 72219974Smav 73219974Smav uint32_t dummy_0; 74219974Smav uint64_t magic_0; 75219974Smav#define PROMISE_MAGIC0(x) (((uint64_t)(x.channel) << 48) | \ 76219974Smav ((uint64_t)(x.device != 0) << 56)) 77219974Smav uint16_t magic_1; 78219974Smav uint32_t magic_2; 79219974Smav uint8_t filler1[470]; 80219974Smav 81219974Smav uint32_t integrity; 82219974Smav#define PROMISE_I_VALID 0x00000080 83219974Smav 84219974Smav struct promise_raid_disk disk; /* This subdisk info. */ 85219974Smav uint32_t disk_offset; /* Subdisk offset. */ 86219974Smav uint32_t disk_sectors; /* Subdisk size */ 87219974Smav uint32_t rebuild_lba; /* Rebuild position. */ 88219974Smav uint16_t generation; /* Generation number. */ 89219974Smav uint8_t status; /* Volume status. */ 90219974Smav#define PROMISE_S_VALID 0x01 91219974Smav#define PROMISE_S_ONLINE 0x02 92219974Smav#define PROMISE_S_INITED 0x04 93219974Smav#define PROMISE_S_READY 0x08 94219974Smav#define PROMISE_S_DEGRADED 0x10 95219974Smav#define PROMISE_S_MARKED 0x20 96219974Smav#define PROMISE_S_MIGRATING 0x40 97219974Smav#define PROMISE_S_FUNCTIONAL 0x80 98219974Smav 99219974Smav uint8_t type; /* Voluem type. */ 100219974Smav#define PROMISE_T_RAID0 0x00 101219974Smav#define PROMISE_T_RAID1 0x01 102219974Smav#define PROMISE_T_RAID3 0x02 103219974Smav#define PROMISE_T_RAID5 0x04 104219974Smav#define PROMISE_T_SPAN 0x08 105219974Smav#define PROMISE_T_JBOD 0x10 106219974Smav 107219974Smav uint8_t total_disks; /* Disks in this volume. */ 108219974Smav uint8_t stripe_shift; /* Strip size. */ 109219974Smav uint8_t array_width; /* Number of RAID0 stripes. */ 110219974Smav uint8_t array_number; /* Global volume number. */ 111219974Smav uint32_t total_sectors; /* Volume size. */ 112219974Smav uint16_t cylinders; /* Volume geometry: C. */ 113219974Smav uint8_t heads; /* Volume geometry: H. */ 114219974Smav uint8_t sectors; /* Volume geometry: S. */ 115219974Smav uint64_t volume_id __packed; /* Volume ID, */ 116219974Smav struct promise_raid_disk disks[PROMISE_MAX_DISKS]; 117219974Smav /* Subdisks in this volume. */ 118219974Smav char name[32]; /* Volume label. */ 119219974Smav 120219974Smav uint32_t filler2[8]; 121219974Smav uint32_t magic_3; /* Something related to rebuild. */ 122219974Smav uint64_t rebuild_lba64; /* Per-volume rebuild position. */ 123219974Smav uint32_t magic_4; 124219974Smav uint32_t magic_5; 125226816Smav uint32_t total_sectors_high; 126226816Smav uint32_t filler3[324]; 127219974Smav uint32_t checksum; 128219974Smav} __packed; 129219974Smav 130219974Smavstruct g_raid_md_promise_perdisk { 131219974Smav int pd_updated; 132219974Smav int pd_subdisks; 133219974Smav struct promise_raid_conf *pd_meta[PROMISE_MAX_SUBDISKS]; 134219974Smav}; 135219974Smav 136219974Smavstruct g_raid_md_promise_pervolume { 137219974Smav struct promise_raid_conf *pv_meta; 138219974Smav uint64_t pv_id; 139219974Smav uint16_t pv_generation; 140219974Smav int pv_disks_present; 141219974Smav int pv_started; 142219974Smav struct callout pv_start_co; /* STARTING state timer. */ 143219974Smav}; 144219974Smav 145219974Smavstatic g_raid_md_create_t g_raid_md_create_promise; 146219974Smavstatic g_raid_md_taste_t g_raid_md_taste_promise; 147219974Smavstatic g_raid_md_event_t g_raid_md_event_promise; 148219974Smavstatic g_raid_md_volume_event_t g_raid_md_volume_event_promise; 149219974Smavstatic g_raid_md_ctl_t g_raid_md_ctl_promise; 150219974Smavstatic g_raid_md_write_t g_raid_md_write_promise; 151219974Smavstatic g_raid_md_fail_disk_t g_raid_md_fail_disk_promise; 152219974Smavstatic g_raid_md_free_disk_t g_raid_md_free_disk_promise; 153219974Smavstatic g_raid_md_free_volume_t g_raid_md_free_volume_promise; 154219974Smavstatic g_raid_md_free_t g_raid_md_free_promise; 155219974Smav 156219974Smavstatic kobj_method_t g_raid_md_promise_methods[] = { 157219974Smav KOBJMETHOD(g_raid_md_create, g_raid_md_create_promise), 158219974Smav KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_promise), 159219974Smav KOBJMETHOD(g_raid_md_event, g_raid_md_event_promise), 160219974Smav KOBJMETHOD(g_raid_md_volume_event, g_raid_md_volume_event_promise), 161219974Smav KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_promise), 162219974Smav KOBJMETHOD(g_raid_md_write, g_raid_md_write_promise), 163219974Smav KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_promise), 164219974Smav KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_promise), 165219974Smav KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_promise), 166219974Smav KOBJMETHOD(g_raid_md_free, g_raid_md_free_promise), 167219974Smav { 0, 0 } 168219974Smav}; 169219974Smav 170219974Smavstatic struct g_raid_md_class g_raid_md_promise_class = { 171219974Smav "Promise", 172219974Smav g_raid_md_promise_methods, 173219974Smav sizeof(struct g_raid_md_object), 174240465Smav .mdc_enable = 1, 175219974Smav .mdc_priority = 100 176219974Smav}; 177219974Smav 178219974Smav 179219974Smavstatic void 180219974Smavg_raid_md_promise_print(struct promise_raid_conf *meta) 181219974Smav{ 182219974Smav int i; 183219974Smav 184219974Smav if (g_raid_debug < 1) 185219974Smav return; 186219974Smav 187219974Smav printf("********* ATA Promise Metadata *********\n"); 188219974Smav printf("promise_id <%.24s>\n", meta->promise_id); 189219974Smav printf("disk %02x %02x %02x %02x %016jx\n", 190219974Smav meta->disk.flags, meta->disk.number, meta->disk.channel, 191219974Smav meta->disk.device, meta->disk.id); 192219974Smav printf("disk_offset %u\n", meta->disk_offset); 193219974Smav printf("disk_sectors %u\n", meta->disk_sectors); 194219974Smav printf("rebuild_lba %u\n", meta->rebuild_lba); 195219974Smav printf("generation %u\n", meta->generation); 196219974Smav printf("status 0x%02x\n", meta->status); 197219974Smav printf("type %u\n", meta->type); 198219974Smav printf("total_disks %u\n", meta->total_disks); 199219974Smav printf("stripe_shift %u\n", meta->stripe_shift); 200219974Smav printf("array_width %u\n", meta->array_width); 201219974Smav printf("array_number %u\n", meta->array_number); 202219974Smav printf("total_sectors %u\n", meta->total_sectors); 203219974Smav printf("cylinders %u\n", meta->cylinders); 204219974Smav printf("heads %u\n", meta->heads); 205219974Smav printf("sectors %u\n", meta->sectors); 206219974Smav printf("volume_id 0x%016jx\n", meta->volume_id); 207219974Smav printf("disks:\n"); 208219974Smav for (i = 0; i < PROMISE_MAX_DISKS; i++ ) { 209219974Smav printf(" %02x %02x %02x %02x %016jx\n", 210219974Smav meta->disks[i].flags, meta->disks[i].number, 211219974Smav meta->disks[i].channel, meta->disks[i].device, 212219974Smav meta->disks[i].id); 213219974Smav } 214219974Smav printf("name <%.32s>\n", meta->name); 215219974Smav printf("magic_3 0x%08x\n", meta->magic_3); 216219974Smav printf("rebuild_lba64 %ju\n", meta->rebuild_lba64); 217219974Smav printf("magic_4 0x%08x\n", meta->magic_4); 218219974Smav printf("magic_5 0x%08x\n", meta->magic_5); 219226816Smav printf("total_sectors_high 0x%08x\n", meta->total_sectors_high); 220219974Smav printf("=================================================\n"); 221219974Smav} 222219974Smav 223219974Smavstatic struct promise_raid_conf * 224219974Smavpromise_meta_copy(struct promise_raid_conf *meta) 225219974Smav{ 226219974Smav struct promise_raid_conf *nmeta; 227219974Smav 228219974Smav nmeta = malloc(sizeof(*nmeta), M_MD_PROMISE, M_WAITOK); 229219974Smav memcpy(nmeta, meta, sizeof(*nmeta)); 230219974Smav return (nmeta); 231219974Smav} 232219974Smav 233219974Smavstatic int 234219974Smavpromise_meta_find_disk(struct promise_raid_conf *meta, uint64_t id) 235219974Smav{ 236219974Smav int pos; 237219974Smav 238219974Smav for (pos = 0; pos < meta->total_disks; pos++) { 239219974Smav if (meta->disks[pos].id == id) 240219974Smav return (pos); 241219974Smav } 242219974Smav return (-1); 243219974Smav} 244219974Smav 245219974Smavstatic int 246219974Smavpromise_meta_unused_range(struct promise_raid_conf **metaarr, int nsd, 247219974Smav uint32_t sectors, uint32_t *off, uint32_t *size) 248219974Smav{ 249219974Smav uint32_t coff, csize; 250219974Smav int i, j; 251219974Smav 252219974Smav sectors -= 131072; 253219974Smav *off = 0; 254219974Smav *size = 0; 255219974Smav coff = 0; 256219974Smav csize = sectors; 257219974Smav i = 0; 258219974Smav while (1) { 259219974Smav for (j = 0; j < nsd; j++) { 260219974Smav if (metaarr[j]->disk_offset >= coff) { 261219974Smav csize = MIN(csize, 262219974Smav metaarr[j]->disk_offset - coff); 263219974Smav } 264219974Smav } 265219974Smav if (csize > *size) { 266219974Smav *off = coff; 267219974Smav *size = csize; 268219974Smav } 269219974Smav if (i >= nsd) 270219974Smav break; 271219974Smav coff = metaarr[i]->disk_offset + metaarr[i]->disk_sectors; 272219974Smav csize = sectors - coff; 273219974Smav i++; 274219974Smav }; 275219974Smav return ((*size > 0) ? 1 : 0); 276219974Smav} 277219974Smav 278219974Smavstatic int 279219974Smavpromise_meta_translate_disk(struct g_raid_volume *vol, int md_disk_pos) 280219974Smav{ 281219974Smav int disk_pos, width; 282219974Smav 283219974Smav if (md_disk_pos >= 0 && vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 284219974Smav width = vol->v_disks_count / 2; 285219974Smav disk_pos = (md_disk_pos / width) + 286219974Smav (md_disk_pos % width) * width; 287219974Smav } else 288219974Smav disk_pos = md_disk_pos; 289219974Smav return (disk_pos); 290219974Smav} 291219974Smav 292219974Smavstatic void 293219974Smavpromise_meta_get_name(struct promise_raid_conf *meta, char *buf) 294219974Smav{ 295219974Smav int i; 296219974Smav 297219974Smav strncpy(buf, meta->name, 32); 298219974Smav buf[32] = 0; 299219974Smav for (i = 31; i >= 0; i--) { 300219974Smav if (buf[i] > 0x20) 301219974Smav break; 302219974Smav buf[i] = 0; 303219974Smav } 304219974Smav} 305219974Smav 306219974Smavstatic void 307219974Smavpromise_meta_put_name(struct promise_raid_conf *meta, char *buf) 308219974Smav{ 309219974Smav 310219974Smav memset(meta->name, 0x20, 32); 311219974Smav memcpy(meta->name, buf, MIN(strlen(buf), 32)); 312219974Smav} 313219974Smav 314219974Smavstatic int 315219974Smavpromise_meta_read(struct g_consumer *cp, struct promise_raid_conf **metaarr) 316219974Smav{ 317219974Smav struct g_provider *pp; 318219974Smav struct promise_raid_conf *meta; 319219974Smav char *buf; 320219974Smav int error, i, subdisks; 321219974Smav uint32_t checksum, *ptr; 322219974Smav 323219974Smav pp = cp->provider; 324219974Smav subdisks = 0; 325219974Smavnext: 326219974Smav /* Read metadata block. */ 327219974Smav buf = g_read_data(cp, pp->mediasize - pp->sectorsize * 328219974Smav (63 - subdisks * PROMISE_META_OFFSET), 329219974Smav pp->sectorsize * 4, &error); 330219974Smav if (buf == NULL) { 331219974Smav G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 332219974Smav pp->name, error); 333219974Smav return (subdisks); 334219974Smav } 335219974Smav meta = (struct promise_raid_conf *)buf; 336219974Smav 337219974Smav /* Check if this is an Promise RAID struct */ 338219974Smav if (strncmp(meta->promise_id, PROMISE_MAGIC, strlen(PROMISE_MAGIC)) && 339219974Smav strncmp(meta->promise_id, FREEBSD_MAGIC, strlen(FREEBSD_MAGIC))) { 340219974Smav if (subdisks == 0) 341219974Smav G_RAID_DEBUG(1, 342219974Smav "Promise signature check failed on %s", pp->name); 343219974Smav g_free(buf); 344219974Smav return (subdisks); 345219974Smav } 346219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK); 347219974Smav memcpy(meta, buf, MIN(sizeof(*meta), pp->sectorsize * 4)); 348219974Smav g_free(buf); 349219974Smav 350219974Smav /* Check metadata checksum. */ 351219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; i < 511; i++) 352219974Smav checksum += *ptr++; 353219974Smav if (checksum != meta->checksum) { 354219974Smav G_RAID_DEBUG(1, "Promise checksum check failed on %s", pp->name); 355219974Smav free(meta, M_MD_PROMISE); 356219974Smav return (subdisks); 357219974Smav } 358219974Smav 359219974Smav if ((meta->integrity & PROMISE_I_VALID) == 0) { 360219974Smav G_RAID_DEBUG(1, "Promise metadata is invalid on %s", pp->name); 361219974Smav free(meta, M_MD_PROMISE); 362219974Smav return (subdisks); 363219974Smav } 364219974Smav 365219974Smav if (meta->total_disks > PROMISE_MAX_DISKS) { 366219974Smav G_RAID_DEBUG(1, "Wrong number of disks on %s (%d)", 367219974Smav pp->name, meta->total_disks); 368219974Smav free(meta, M_MD_PROMISE); 369219974Smav return (subdisks); 370219974Smav } 371219974Smav 372219974Smav /* Save this part and look for next. */ 373219974Smav *metaarr = meta; 374219974Smav metaarr++; 375219974Smav subdisks++; 376219974Smav if (subdisks < PROMISE_MAX_SUBDISKS) 377219974Smav goto next; 378219974Smav 379219974Smav return (subdisks); 380219974Smav} 381219974Smav 382219974Smavstatic int 383219974Smavpromise_meta_write(struct g_consumer *cp, 384219974Smav struct promise_raid_conf **metaarr, int nsd) 385219974Smav{ 386219974Smav struct g_provider *pp; 387219974Smav struct promise_raid_conf *meta; 388219974Smav char *buf; 389219974Smav int error, i, subdisk, fake; 390219974Smav uint32_t checksum, *ptr, off, size; 391219974Smav 392219974Smav pp = cp->provider; 393219974Smav subdisk = 0; 394219974Smav fake = 0; 395219974Smavnext: 396219974Smav buf = malloc(pp->sectorsize * 4, M_MD_PROMISE, M_WAITOK | M_ZERO); 397219974Smav meta = NULL; 398219974Smav if (subdisk < nsd) { 399219974Smav meta = metaarr[subdisk]; 400219974Smav } else if (!fake && promise_meta_unused_range(metaarr, nsd, 401219974Smav cp->provider->mediasize / cp->provider->sectorsize, 402219974Smav &off, &size)) { 403219974Smav /* Optionally add record for unused space. */ 404219974Smav meta = (struct promise_raid_conf *)buf; 405220209Smav memcpy(&meta->promise_id[0], PROMISE_MAGIC, 406220209Smav sizeof(PROMISE_MAGIC) - 1); 407219974Smav meta->dummy_0 = 0x00020000; 408219974Smav meta->integrity = PROMISE_I_VALID; 409219974Smav meta->disk.flags = PROMISE_F_ONLINE | PROMISE_F_VALID; 410219974Smav meta->disk.number = 0xff; 411219974Smav arc4rand(&meta->disk.id, sizeof(meta->disk.id), 0); 412219974Smav meta->disk_offset = off; 413219974Smav meta->disk_sectors = size; 414219974Smav meta->rebuild_lba = UINT32_MAX; 415219974Smav fake = 1; 416219974Smav } 417219974Smav if (meta != NULL) { 418219974Smav /* Recalculate checksum for case if metadata were changed. */ 419219974Smav meta->checksum = 0; 420219974Smav for (checksum = 0, ptr = (uint32_t *)meta, i = 0; i < 511; i++) 421219974Smav checksum += *ptr++; 422219974Smav meta->checksum = checksum; 423219974Smav memcpy(buf, meta, MIN(pp->sectorsize * 4, sizeof(*meta))); 424219974Smav } 425219974Smav error = g_write_data(cp, pp->mediasize - pp->sectorsize * 426219974Smav (63 - subdisk * PROMISE_META_OFFSET), 427219974Smav buf, pp->sectorsize * 4); 428219974Smav if (error != 0) { 429219974Smav G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 430219974Smav pp->name, error); 431219974Smav } 432219974Smav free(buf, M_MD_PROMISE); 433219974Smav 434219974Smav subdisk++; 435219974Smav if (subdisk < PROMISE_MAX_SUBDISKS) 436219974Smav goto next; 437219974Smav 438219974Smav return (error); 439219974Smav} 440219974Smav 441219974Smavstatic int 442219974Smavpromise_meta_erase(struct g_consumer *cp) 443219974Smav{ 444219974Smav struct g_provider *pp; 445219974Smav char *buf; 446219974Smav int error, subdisk; 447219974Smav 448219974Smav pp = cp->provider; 449219974Smav buf = malloc(4 * pp->sectorsize, M_MD_PROMISE, M_WAITOK | M_ZERO); 450219974Smav for (subdisk = 0; subdisk < PROMISE_MAX_SUBDISKS; subdisk++) { 451219974Smav error = g_write_data(cp, pp->mediasize - pp->sectorsize * 452219974Smav (63 - subdisk * PROMISE_META_OFFSET), 453219974Smav buf, 4 * pp->sectorsize); 454219974Smav if (error != 0) { 455219974Smav G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 456219974Smav pp->name, error); 457219974Smav } 458219974Smav } 459219974Smav free(buf, M_MD_PROMISE); 460219974Smav return (error); 461219974Smav} 462219974Smav 463219974Smavstatic int 464219974Smavpromise_meta_write_spare(struct g_consumer *cp) 465219974Smav{ 466219974Smav struct promise_raid_conf *meta; 467219974Smav int error; 468219974Smav 469219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK | M_ZERO); 470220209Smav memcpy(&meta->promise_id[0], PROMISE_MAGIC, sizeof(PROMISE_MAGIC) - 1); 471219974Smav meta->dummy_0 = 0x00020000; 472219974Smav meta->integrity = PROMISE_I_VALID; 473219974Smav meta->disk.flags = PROMISE_F_SPARE | PROMISE_F_ONLINE | PROMISE_F_VALID; 474219974Smav meta->disk.number = 0xff; 475219974Smav arc4rand(&meta->disk.id, sizeof(meta->disk.id), 0); 476219974Smav meta->disk_sectors = cp->provider->mediasize / cp->provider->sectorsize; 477219974Smav meta->disk_sectors -= 131072; 478219974Smav meta->rebuild_lba = UINT32_MAX; 479219974Smav error = promise_meta_write(cp, &meta, 1); 480219974Smav free(meta, M_MD_PROMISE); 481219974Smav return (error); 482219974Smav} 483219974Smav 484219974Smavstatic struct g_raid_volume * 485219974Smavg_raid_md_promise_get_volume(struct g_raid_softc *sc, uint64_t id) 486219974Smav{ 487219974Smav struct g_raid_volume *vol; 488219974Smav struct g_raid_md_promise_pervolume *pv; 489219974Smav 490219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 491219974Smav pv = vol->v_md_data; 492219974Smav if (pv->pv_id == id) 493219974Smav break; 494219974Smav } 495219974Smav return (vol); 496219974Smav} 497219974Smav 498219974Smavstatic int 499219974Smavg_raid_md_promise_purge_volumes(struct g_raid_softc *sc) 500219974Smav{ 501219974Smav struct g_raid_volume *vol, *tvol; 502219974Smav struct g_raid_md_promise_pervolume *pv; 503219974Smav int i, res; 504219974Smav 505219974Smav res = 0; 506219974Smav TAILQ_FOREACH_SAFE(vol, &sc->sc_volumes, v_next, tvol) { 507219974Smav pv = vol->v_md_data; 508219974Smav if (!pv->pv_started || vol->v_stopping) 509219974Smav continue; 510219974Smav for (i = 0; i < vol->v_disks_count; i++) { 511219974Smav if (vol->v_subdisks[i].sd_state != G_RAID_SUBDISK_S_NONE) 512219974Smav break; 513219974Smav } 514219974Smav if (i >= vol->v_disks_count) { 515219974Smav g_raid_destroy_volume(vol); 516219974Smav res = 1; 517219974Smav } 518219974Smav } 519219974Smav return (res); 520219974Smav} 521219974Smav 522219974Smavstatic int 523219974Smavg_raid_md_promise_purge_disks(struct g_raid_softc *sc) 524219974Smav{ 525219974Smav struct g_raid_disk *disk, *tdisk; 526219974Smav struct g_raid_volume *vol; 527219974Smav struct g_raid_md_promise_perdisk *pd; 528219974Smav int i, j, res; 529219974Smav 530219974Smav res = 0; 531219974Smav TAILQ_FOREACH_SAFE(disk, &sc->sc_disks, d_next, tdisk) { 532219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) 533219974Smav continue; 534219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 535219974Smav 536219974Smav /* Scan for deleted volumes. */ 537219974Smav for (i = 0; i < pd->pd_subdisks; ) { 538219974Smav vol = g_raid_md_promise_get_volume(sc, 539219974Smav pd->pd_meta[i]->volume_id); 540219974Smav if (vol != NULL && !vol->v_stopping) { 541219974Smav i++; 542219974Smav continue; 543219974Smav } 544219974Smav free(pd->pd_meta[i], M_MD_PROMISE); 545219974Smav for (j = i; j < pd->pd_subdisks - 1; j++) 546219974Smav pd->pd_meta[j] = pd->pd_meta[j + 1]; 547241418Smav pd->pd_meta[pd->pd_subdisks - 1] = NULL; 548219974Smav pd->pd_subdisks--; 549219974Smav pd->pd_updated = 1; 550219974Smav } 551219974Smav 552219974Smav /* If there is no metadata left - erase and delete disk. */ 553219974Smav if (pd->pd_subdisks == 0) { 554219974Smav promise_meta_erase(disk->d_consumer); 555219974Smav g_raid_destroy_disk(disk); 556219974Smav res = 1; 557219974Smav } 558219974Smav } 559219974Smav return (res); 560219974Smav} 561219974Smav 562219974Smavstatic int 563219974Smavg_raid_md_promise_supported(int level, int qual, int disks, int force) 564219974Smav{ 565219974Smav 566219974Smav if (disks > PROMISE_MAX_DISKS) 567219974Smav return (0); 568219974Smav switch (level) { 569219974Smav case G_RAID_VOLUME_RL_RAID0: 570219974Smav if (disks < 1) 571219974Smav return (0); 572219974Smav if (!force && disks < 2) 573219974Smav return (0); 574219974Smav break; 575219974Smav case G_RAID_VOLUME_RL_RAID1: 576219974Smav if (disks < 1) 577219974Smav return (0); 578219974Smav if (!force && (disks != 2)) 579219974Smav return (0); 580219974Smav break; 581219974Smav case G_RAID_VOLUME_RL_RAID1E: 582219974Smav if (disks < 2) 583219974Smav return (0); 584219974Smav if (disks % 2 != 0) 585219974Smav return (0); 586219974Smav if (!force && (disks != 4)) 587219974Smav return (0); 588219974Smav break; 589219974Smav case G_RAID_VOLUME_RL_SINGLE: 590219974Smav if (disks != 1) 591219974Smav return (0); 592219974Smav break; 593219974Smav case G_RAID_VOLUME_RL_CONCAT: 594219974Smav if (disks < 2) 595219974Smav return (0); 596219974Smav break; 597219974Smav case G_RAID_VOLUME_RL_RAID5: 598219974Smav if (disks < 3) 599219974Smav return (0); 600234458Smav if (qual != G_RAID_VOLUME_RLQ_R5LA) 601234458Smav return (0); 602219974Smav break; 603219974Smav default: 604219974Smav return (0); 605219974Smav } 606234458Smav if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 607219974Smav return (0); 608219974Smav return (1); 609219974Smav} 610219974Smav 611219974Smavstatic int 612219974Smavg_raid_md_promise_start_disk(struct g_raid_disk *disk, int sdn, 613219974Smav struct g_raid_volume *vol) 614219974Smav{ 615219974Smav struct g_raid_softc *sc; 616219974Smav struct g_raid_subdisk *sd; 617219974Smav struct g_raid_md_promise_perdisk *pd; 618219974Smav struct g_raid_md_promise_pervolume *pv; 619219974Smav struct promise_raid_conf *meta; 620219974Smav off_t size; 621219974Smav int disk_pos, md_disk_pos, i, resurrection = 0; 622219974Smav uint32_t eoff, esize; 623219974Smav 624219974Smav sc = disk->d_softc; 625219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 626219974Smav 627219974Smav pv = vol->v_md_data; 628219974Smav meta = pv->pv_meta; 629219974Smav 630219974Smav if (sdn >= 0) { 631219974Smav /* Find disk position in metadata by it's serial. */ 632219974Smav md_disk_pos = promise_meta_find_disk(meta, pd->pd_meta[sdn]->disk.id); 633219974Smav /* For RAID0+1 we need to translate order. */ 634219974Smav disk_pos = promise_meta_translate_disk(vol, md_disk_pos); 635219974Smav } else { 636219974Smav md_disk_pos = -1; 637219974Smav disk_pos = -1; 638219974Smav } 639219974Smav if (disk_pos < 0) { 640219974Smav G_RAID_DEBUG1(1, sc, "Disk %s is not part of the volume %s", 641219974Smav g_raid_get_diskname(disk), vol->v_name); 642219974Smav /* Failed stale disk is useless for us. */ 643219974Smav if (sdn >= 0 && 644219974Smav pd->pd_meta[sdn]->disk.flags & PROMISE_F_DOWN) { 645219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED); 646219974Smav return (0); 647219974Smav } 648219974Smav /* If we were given specific metadata subdisk - erase it. */ 649219974Smav if (sdn >= 0) { 650219974Smav free(pd->pd_meta[sdn], M_MD_PROMISE); 651219974Smav for (i = sdn; i < pd->pd_subdisks - 1; i++) 652219974Smav pd->pd_meta[i] = pd->pd_meta[i + 1]; 653241418Smav pd->pd_meta[pd->pd_subdisks - 1] = NULL; 654219974Smav pd->pd_subdisks--; 655219974Smav } 656219974Smav /* If we are in the start process, that's all for now. */ 657219974Smav if (!pv->pv_started) 658219974Smav goto nofit; 659219974Smav /* 660219974Smav * If we have already started - try to get use of the disk. 661219974Smav * Try to replace OFFLINE disks first, then FAILED. 662219974Smav */ 663219974Smav promise_meta_unused_range(pd->pd_meta, pd->pd_subdisks, 664219974Smav disk->d_consumer->provider->mediasize / 665219974Smav disk->d_consumer->provider->sectorsize, 666219974Smav &eoff, &esize); 667219974Smav if (esize == 0) { 668219974Smav G_RAID_DEBUG1(1, sc, "No free space on disk %s", 669219974Smav g_raid_get_diskname(disk)); 670219974Smav goto nofit; 671219974Smav } 672219974Smav size = INT64_MAX; 673219974Smav for (i = 0; i < vol->v_disks_count; i++) { 674219974Smav sd = &vol->v_subdisks[i]; 675219974Smav if (sd->sd_state != G_RAID_SUBDISK_S_NONE) 676219974Smav size = sd->sd_size; 677219974Smav if (sd->sd_state <= G_RAID_SUBDISK_S_FAILED && 678219974Smav (disk_pos < 0 || 679219974Smav vol->v_subdisks[i].sd_state < sd->sd_state)) 680219974Smav disk_pos = i; 681219974Smav } 682219974Smav if (disk_pos >= 0 && 683219974Smav vol->v_raid_level != G_RAID_VOLUME_RL_CONCAT && 684219974Smav (off_t)esize * 512 < size) { 685219974Smav G_RAID_DEBUG1(1, sc, "Disk %s free space " 686219974Smav "is too small (%ju < %ju)", 687219974Smav g_raid_get_diskname(disk), 688219974Smav (off_t)esize * 512, size); 689219974Smav disk_pos = -1; 690219974Smav } 691219974Smav if (disk_pos >= 0) { 692219974Smav if (vol->v_raid_level != G_RAID_VOLUME_RL_CONCAT) 693219974Smav esize = size / 512; 694219974Smav /* For RAID0+1 we need to translate order. */ 695219974Smav md_disk_pos = promise_meta_translate_disk(vol, disk_pos); 696219974Smav } else { 697219974Smavnofit: 698219974Smav if (pd->pd_subdisks == 0) { 699219974Smav g_raid_change_disk_state(disk, 700219974Smav G_RAID_DISK_S_SPARE); 701219974Smav } 702219974Smav return (0); 703219974Smav } 704219974Smav G_RAID_DEBUG1(1, sc, "Disk %s takes pos %d in the volume %s", 705219974Smav g_raid_get_diskname(disk), disk_pos, vol->v_name); 706219974Smav resurrection = 1; 707219974Smav } 708219974Smav 709219974Smav sd = &vol->v_subdisks[disk_pos]; 710219974Smav 711219974Smav if (resurrection && sd->sd_disk != NULL) { 712219974Smav g_raid_change_disk_state(sd->sd_disk, 713219974Smav G_RAID_DISK_S_STALE_FAILED); 714219974Smav TAILQ_REMOVE(&sd->sd_disk->d_subdisks, 715219974Smav sd, sd_next); 716219974Smav } 717219974Smav vol->v_subdisks[disk_pos].sd_disk = disk; 718219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 719219974Smav 720219974Smav /* Welcome the new disk. */ 721219974Smav if (resurrection) 722219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 723219974Smav else if (meta->disks[md_disk_pos].flags & PROMISE_F_DOWN) 724219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 725219974Smav else 726219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 727219974Smav 728219974Smav if (resurrection) { 729219974Smav sd->sd_offset = (off_t)eoff * 512; 730219974Smav sd->sd_size = (off_t)esize * 512; 731219974Smav } else { 732219974Smav sd->sd_offset = (off_t)pd->pd_meta[sdn]->disk_offset * 512; 733219974Smav sd->sd_size = (off_t)pd->pd_meta[sdn]->disk_sectors * 512; 734219974Smav } 735219974Smav 736219974Smav if (resurrection) { 737219974Smav /* Stale disk, almost same as new. */ 738219974Smav g_raid_change_subdisk_state(sd, 739219974Smav G_RAID_SUBDISK_S_NEW); 740219974Smav } else if (meta->disks[md_disk_pos].flags & PROMISE_F_DOWN) { 741219974Smav /* Failed disk. */ 742219974Smav g_raid_change_subdisk_state(sd, 743219974Smav G_RAID_SUBDISK_S_FAILED); 744219974Smav } else if (meta->disks[md_disk_pos].flags & PROMISE_F_REDIR) { 745219974Smav /* Rebuilding disk. */ 746219974Smav g_raid_change_subdisk_state(sd, 747219974Smav G_RAID_SUBDISK_S_REBUILD); 748219974Smav if (pd->pd_meta[sdn]->generation != meta->generation) 749219974Smav sd->sd_rebuild_pos = 0; 750219974Smav else { 751219974Smav sd->sd_rebuild_pos = 752219974Smav (off_t)pd->pd_meta[sdn]->rebuild_lba * 512; 753219974Smav } 754219974Smav } else if (!(meta->disks[md_disk_pos].flags & PROMISE_F_ONLINE)) { 755219974Smav /* Rebuilding disk. */ 756219974Smav g_raid_change_subdisk_state(sd, 757219974Smav G_RAID_SUBDISK_S_NEW); 758219974Smav } else if (pd->pd_meta[sdn]->generation != meta->generation || 759219974Smav (meta->status & PROMISE_S_MARKED)) { 760219974Smav /* Stale disk or dirty volume (unclean shutdown). */ 761219974Smav g_raid_change_subdisk_state(sd, 762219974Smav G_RAID_SUBDISK_S_STALE); 763219974Smav } else { 764219974Smav /* Up to date disk. */ 765219974Smav g_raid_change_subdisk_state(sd, 766219974Smav G_RAID_SUBDISK_S_ACTIVE); 767219974Smav } 768219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 769219974Smav G_RAID_EVENT_SUBDISK); 770219974Smav 771219974Smav return (resurrection); 772219974Smav} 773219974Smav 774219974Smavstatic void 775219974Smavg_raid_md_promise_refill(struct g_raid_softc *sc) 776219974Smav{ 777219974Smav struct g_raid_volume *vol; 778219974Smav struct g_raid_subdisk *sd; 779219974Smav struct g_raid_disk *disk; 780219974Smav struct g_raid_md_object *md; 781219974Smav struct g_raid_md_promise_perdisk *pd; 782219974Smav struct g_raid_md_promise_pervolume *pv; 783219974Smav int update, updated, i, bad; 784219974Smav 785219974Smav md = sc->sc_md; 786219974Smavrestart: 787219974Smav updated = 0; 788219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 789219974Smav pv = vol->v_md_data; 790219974Smav if (!pv->pv_started || vol->v_stopping) 791219974Smav continue; 792219974Smav 793219974Smav /* Search for subdisk that needs replacement. */ 794219974Smav bad = 0; 795219974Smav for (i = 0; i < vol->v_disks_count; i++) { 796219974Smav sd = &vol->v_subdisks[i]; 797219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_NONE || 798219974Smav sd->sd_state == G_RAID_SUBDISK_S_FAILED) 799219974Smav bad = 1; 800219974Smav } 801219974Smav if (!bad) 802219974Smav continue; 803219974Smav 804219974Smav G_RAID_DEBUG1(1, sc, "Volume %s is not complete, " 805219974Smav "trying to refill.", vol->v_name); 806219974Smav 807219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 808219974Smav /* Skip failed. */ 809219974Smav if (disk->d_state < G_RAID_DISK_S_SPARE) 810219974Smav continue; 811219974Smav /* Skip already used by this volume. */ 812219974Smav for (i = 0; i < vol->v_disks_count; i++) { 813219974Smav sd = &vol->v_subdisks[i]; 814219974Smav if (sd->sd_disk == disk) 815219974Smav break; 816219974Smav } 817219974Smav if (i < vol->v_disks_count) 818219974Smav continue; 819219974Smav 820219974Smav /* Try to use disk if it has empty extents. */ 821219974Smav pd = disk->d_md_data; 822219974Smav if (pd->pd_subdisks < PROMISE_MAX_SUBDISKS) { 823219974Smav update = 824219974Smav g_raid_md_promise_start_disk(disk, -1, vol); 825219974Smav } else 826219974Smav update = 0; 827219974Smav if (update) { 828220209Smav updated = 1; 829219974Smav g_raid_md_write_promise(md, vol, NULL, disk); 830219974Smav break; 831219974Smav } 832219974Smav } 833219974Smav } 834219974Smav if (updated) 835219974Smav goto restart; 836219974Smav} 837219974Smav 838219974Smavstatic void 839219974Smavg_raid_md_promise_start(struct g_raid_volume *vol) 840219974Smav{ 841219974Smav struct g_raid_softc *sc; 842219974Smav struct g_raid_subdisk *sd; 843219974Smav struct g_raid_disk *disk; 844219974Smav struct g_raid_md_object *md; 845219974Smav struct g_raid_md_promise_perdisk *pd; 846219974Smav struct g_raid_md_promise_pervolume *pv; 847219974Smav struct promise_raid_conf *meta; 848219974Smav int i; 849219974Smav 850219974Smav sc = vol->v_softc; 851219974Smav md = sc->sc_md; 852219974Smav pv = vol->v_md_data; 853219974Smav meta = pv->pv_meta; 854219974Smav 855234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 856219974Smav if (meta->type == PROMISE_T_RAID0) 857219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 858219974Smav else if (meta->type == PROMISE_T_RAID1) { 859219974Smav if (meta->array_width == 1) 860219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 861219974Smav else 862219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 863219974Smav } else if (meta->type == PROMISE_T_RAID3) 864219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID3; 865234458Smav else if (meta->type == PROMISE_T_RAID5) { 866219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 867234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA; 868234458Smav } else if (meta->type == PROMISE_T_SPAN) 869219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT; 870219974Smav else if (meta->type == PROMISE_T_JBOD) 871219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE; 872219974Smav else 873219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 874219974Smav vol->v_strip_size = 512 << meta->stripe_shift; //ZZZ 875219974Smav vol->v_disks_count = meta->total_disks; 876219974Smav vol->v_mediasize = (off_t)meta->total_sectors * 512; //ZZZ 877226816Smav if (meta->total_sectors_high < 256) /* If value looks sane. */ 878226816Smav vol->v_mediasize |= 879226816Smav ((off_t)meta->total_sectors_high << 32) * 512; //ZZZ 880219974Smav vol->v_sectorsize = 512; //ZZZ 881219974Smav for (i = 0; i < vol->v_disks_count; i++) { 882219974Smav sd = &vol->v_subdisks[i]; 883219974Smav sd->sd_offset = (off_t)meta->disk_offset * 512; //ZZZ 884219974Smav sd->sd_size = (off_t)meta->disk_sectors * 512; //ZZZ 885219974Smav } 886219974Smav g_raid_start_volume(vol); 887219974Smav 888219974Smav /* Make all disks found till the moment take their places. */ 889219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 890219974Smav pd = disk->d_md_data; 891219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 892219974Smav if (pd->pd_meta[i]->volume_id == meta->volume_id) 893219974Smav g_raid_md_promise_start_disk(disk, i, vol); 894219974Smav } 895219974Smav } 896219974Smav 897219974Smav pv->pv_started = 1; 898219974Smav callout_stop(&pv->pv_start_co); 899219974Smav G_RAID_DEBUG1(0, sc, "Volume started."); 900219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 901219974Smav 902219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 903219974Smav g_raid_md_promise_refill(sc); 904219974Smav 905219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME); 906219974Smav} 907219974Smav 908219974Smavstatic void 909219974Smavg_raid_promise_go(void *arg) 910219974Smav{ 911219974Smav struct g_raid_volume *vol; 912219974Smav struct g_raid_softc *sc; 913219974Smav struct g_raid_md_promise_pervolume *pv; 914219974Smav 915219974Smav vol = arg; 916219974Smav pv = vol->v_md_data; 917219974Smav sc = vol->v_softc; 918219974Smav if (!pv->pv_started) { 919219974Smav G_RAID_DEBUG1(0, sc, "Force volume start due to timeout."); 920219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_STARTMD, 921219974Smav G_RAID_EVENT_VOLUME); 922219974Smav } 923219974Smav} 924219974Smav 925219974Smavstatic void 926219974Smavg_raid_md_promise_new_disk(struct g_raid_disk *disk) 927219974Smav{ 928219974Smav struct g_raid_softc *sc; 929219974Smav struct g_raid_md_object *md; 930219974Smav struct promise_raid_conf *pdmeta; 931219974Smav struct g_raid_md_promise_perdisk *pd; 932219974Smav struct g_raid_md_promise_pervolume *pv; 933219974Smav struct g_raid_volume *vol; 934219974Smav int i; 935219974Smav char buf[33]; 936219974Smav 937219974Smav sc = disk->d_softc; 938219974Smav md = sc->sc_md; 939219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 940219974Smav 941219974Smav if (pd->pd_subdisks == 0) { 942219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 943219974Smav g_raid_md_promise_refill(sc); 944219974Smav return; 945219974Smav } 946219974Smav 947219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 948219974Smav pdmeta = pd->pd_meta[i]; 949219974Smav 950219974Smav /* Look for volume with matching ID. */ 951219974Smav vol = g_raid_md_promise_get_volume(sc, pdmeta->volume_id); 952219974Smav if (vol == NULL) { 953219974Smav promise_meta_get_name(pdmeta, buf); 954219974Smav vol = g_raid_create_volume(sc, buf, pdmeta->array_number); 955219974Smav pv = malloc(sizeof(*pv), M_MD_PROMISE, M_WAITOK | M_ZERO); 956219974Smav pv->pv_id = pdmeta->volume_id; 957219974Smav vol->v_md_data = pv; 958219974Smav callout_init(&pv->pv_start_co, 1); 959219974Smav callout_reset(&pv->pv_start_co, 960219974Smav g_raid_start_timeout * hz, 961219974Smav g_raid_promise_go, vol); 962219974Smav } else 963219974Smav pv = vol->v_md_data; 964219974Smav 965219974Smav /* If we haven't started yet - check metadata freshness. */ 966219974Smav if (pv->pv_meta == NULL || !pv->pv_started) { 967219974Smav if (pv->pv_meta == NULL || 968219974Smav ((int16_t)(pdmeta->generation - pv->pv_generation)) > 0) { 969219974Smav G_RAID_DEBUG1(1, sc, "Newer disk"); 970219974Smav if (pv->pv_meta != NULL) 971219974Smav free(pv->pv_meta, M_MD_PROMISE); 972219974Smav pv->pv_meta = promise_meta_copy(pdmeta); 973219974Smav pv->pv_generation = pv->pv_meta->generation; 974219974Smav pv->pv_disks_present = 1; 975219974Smav } else if (pdmeta->generation == pv->pv_generation) { 976219974Smav pv->pv_disks_present++; 977219974Smav G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 978219974Smav pv->pv_disks_present, 979219974Smav pv->pv_meta->total_disks); 980219974Smav } else { 981219974Smav G_RAID_DEBUG1(1, sc, "Older disk"); 982219974Smav } 983219974Smav } 984219974Smav } 985219974Smav 986219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 987219974Smav pdmeta = pd->pd_meta[i]; 988219974Smav 989219974Smav /* Look for volume with matching ID. */ 990219974Smav vol = g_raid_md_promise_get_volume(sc, pdmeta->volume_id); 991219974Smav if (vol == NULL) 992219974Smav continue; 993219974Smav pv = vol->v_md_data; 994219974Smav 995219974Smav if (pv->pv_started) { 996219974Smav if (g_raid_md_promise_start_disk(disk, i, vol)) 997219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 998219974Smav } else { 999219974Smav /* If we collected all needed disks - start array. */ 1000219974Smav if (pv->pv_disks_present == pv->pv_meta->total_disks) 1001219974Smav g_raid_md_promise_start(vol); 1002219974Smav } 1003219974Smav } 1004219974Smav} 1005219974Smav 1006219974Smavstatic int 1007219974Smavg_raid_md_create_promise(struct g_raid_md_object *md, struct g_class *mp, 1008219974Smav struct g_geom **gp) 1009219974Smav{ 1010219974Smav struct g_geom *geom; 1011219974Smav struct g_raid_softc *sc; 1012219974Smav 1013219974Smav /* Search for existing node. */ 1014219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 1015219974Smav sc = geom->softc; 1016219974Smav if (sc == NULL) 1017219974Smav continue; 1018219974Smav if (sc->sc_stopping != 0) 1019219974Smav continue; 1020219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 1021219974Smav continue; 1022219974Smav break; 1023219974Smav } 1024219974Smav if (geom != NULL) { 1025219974Smav *gp = geom; 1026219974Smav return (G_RAID_MD_TASTE_EXISTING); 1027219974Smav } 1028219974Smav 1029219974Smav /* Create new one if not found. */ 1030219974Smav sc = g_raid_create_node(mp, "Promise", md); 1031219974Smav if (sc == NULL) 1032219974Smav return (G_RAID_MD_TASTE_FAIL); 1033219974Smav md->mdo_softc = sc; 1034219974Smav *gp = sc->sc_geom; 1035219974Smav return (G_RAID_MD_TASTE_NEW); 1036219974Smav} 1037219974Smav 1038219974Smavstatic int 1039219974Smavg_raid_md_taste_promise(struct g_raid_md_object *md, struct g_class *mp, 1040219974Smav struct g_consumer *cp, struct g_geom **gp) 1041219974Smav{ 1042219974Smav struct g_consumer *rcp; 1043219974Smav struct g_provider *pp; 1044219974Smav struct g_raid_softc *sc; 1045219974Smav struct g_raid_disk *disk; 1046219974Smav struct promise_raid_conf *meta, *metaarr[4]; 1047219974Smav struct g_raid_md_promise_perdisk *pd; 1048219974Smav struct g_geom *geom; 1049242323Smav int i, j, result, len, subdisks; 1050219974Smav char name[16]; 1051219974Smav uint16_t vendor; 1052219974Smav 1053219974Smav G_RAID_DEBUG(1, "Tasting Promise on %s", cp->provider->name); 1054219974Smav pp = cp->provider; 1055219974Smav 1056219974Smav /* Read metadata from device. */ 1057219974Smav meta = NULL; 1058219974Smav vendor = 0xffff; 1059219974Smav if (g_access(cp, 1, 0, 0) != 0) 1060219974Smav return (G_RAID_MD_TASTE_FAIL); 1061219974Smav g_topology_unlock(); 1062219974Smav len = 2; 1063219974Smav if (pp->geom->rank == 1) 1064219974Smav g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 1065219974Smav subdisks = promise_meta_read(cp, metaarr); 1066219974Smav g_topology_lock(); 1067219974Smav g_access(cp, -1, 0, 0); 1068219974Smav if (subdisks == 0) { 1069219974Smav if (g_raid_aggressive_spare) { 1070219974Smav if (vendor == 0x105a || vendor == 0x1002) { 1071219974Smav G_RAID_DEBUG(1, 1072219974Smav "No Promise metadata, forcing spare."); 1073219974Smav goto search; 1074219974Smav } else { 1075219974Smav G_RAID_DEBUG(1, 1076219974Smav "Promise/ATI vendor mismatch " 1077219974Smav "0x%04x != 0x105a/0x1002", 1078219974Smav vendor); 1079219974Smav } 1080219974Smav } 1081219974Smav return (G_RAID_MD_TASTE_FAIL); 1082219974Smav } 1083219974Smav 1084219974Smav /* Metadata valid. Print it. */ 1085219974Smav for (i = 0; i < subdisks; i++) 1086219974Smav g_raid_md_promise_print(metaarr[i]); 1087219974Smav 1088219974Smav /* Purge meaningless (empty/spare) records. */ 1089219974Smav for (i = 0; i < subdisks; ) { 1090219974Smav if (metaarr[i]->disk.flags & PROMISE_F_ASSIGNED) { 1091219974Smav i++; 1092219974Smav continue; 1093219974Smav } 1094219974Smav free(metaarr[i], M_MD_PROMISE); 1095219974Smav for (j = i; j < subdisks - 1; j++) 1096219974Smav metaarr[i] = metaarr[j + 1]; 1097241418Smav metaarr[subdisks - 1] = NULL; 1098219974Smav subdisks--; 1099219974Smav } 1100219974Smav 1101219974Smavsearch: 1102219974Smav /* Search for matching node. */ 1103219974Smav sc = NULL; 1104219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 1105219974Smav sc = geom->softc; 1106219974Smav if (sc == NULL) 1107219974Smav continue; 1108219974Smav if (sc->sc_stopping != 0) 1109219974Smav continue; 1110219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 1111219974Smav continue; 1112219974Smav break; 1113219974Smav } 1114219974Smav 1115219974Smav /* Found matching node. */ 1116219974Smav if (geom != NULL) { 1117219974Smav G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 1118219974Smav result = G_RAID_MD_TASTE_EXISTING; 1119219974Smav 1120219974Smav } else { /* Not found matching node -- create one. */ 1121219974Smav result = G_RAID_MD_TASTE_NEW; 1122219974Smav snprintf(name, sizeof(name), "Promise"); 1123219974Smav sc = g_raid_create_node(mp, name, md); 1124219974Smav md->mdo_softc = sc; 1125219974Smav geom = sc->sc_geom; 1126219974Smav } 1127219974Smav 1128219974Smav rcp = g_new_consumer(geom); 1129219974Smav g_attach(rcp, pp); 1130219974Smav if (g_access(rcp, 1, 1, 1) != 0) 1131219974Smav ; //goto fail1; 1132219974Smav 1133219974Smav g_topology_unlock(); 1134219974Smav sx_xlock(&sc->sc_lock); 1135219974Smav 1136219974Smav pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); 1137219974Smav pd->pd_subdisks = subdisks; 1138219974Smav for (i = 0; i < subdisks; i++) 1139219974Smav pd->pd_meta[i] = metaarr[i]; 1140219974Smav disk = g_raid_create_disk(sc); 1141219974Smav disk->d_md_data = (void *)pd; 1142219974Smav disk->d_consumer = rcp; 1143219974Smav rcp->private = disk; 1144219974Smav 1145242323Smav g_raid_get_disk_info(disk); 1146219974Smav 1147219974Smav g_raid_md_promise_new_disk(disk); 1148219974Smav 1149219974Smav sx_xunlock(&sc->sc_lock); 1150219974Smav g_topology_lock(); 1151219974Smav *gp = geom; 1152219974Smav return (result); 1153219974Smav} 1154219974Smav 1155219974Smavstatic int 1156219974Smavg_raid_md_event_promise(struct g_raid_md_object *md, 1157219974Smav struct g_raid_disk *disk, u_int event) 1158219974Smav{ 1159219974Smav struct g_raid_softc *sc; 1160219974Smav 1161219974Smav sc = md->mdo_softc; 1162219974Smav if (disk == NULL) 1163219974Smav return (-1); 1164219974Smav switch (event) { 1165219974Smav case G_RAID_DISK_E_DISCONNECTED: 1166219974Smav /* Delete disk. */ 1167219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1168219974Smav g_raid_destroy_disk(disk); 1169219974Smav g_raid_md_promise_purge_volumes(sc); 1170219974Smav 1171219974Smav /* Write updated metadata to all disks. */ 1172219974Smav g_raid_md_write_promise(md, NULL, NULL, NULL); 1173219974Smav 1174219974Smav /* Check if anything left. */ 1175219974Smav if (g_raid_ndisks(sc, -1) == 0) 1176219974Smav g_raid_destroy_node(sc, 0); 1177219974Smav else 1178219974Smav g_raid_md_promise_refill(sc); 1179219974Smav return (0); 1180219974Smav } 1181219974Smav return (-2); 1182219974Smav} 1183219974Smav 1184219974Smavstatic int 1185219974Smavg_raid_md_volume_event_promise(struct g_raid_md_object *md, 1186219974Smav struct g_raid_volume *vol, u_int event) 1187219974Smav{ 1188219974Smav struct g_raid_md_promise_pervolume *pv; 1189219974Smav 1190219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1191219974Smav switch (event) { 1192219974Smav case G_RAID_VOLUME_E_STARTMD: 1193219974Smav if (!pv->pv_started) 1194219974Smav g_raid_md_promise_start(vol); 1195219974Smav return (0); 1196219974Smav } 1197219974Smav return (-2); 1198219974Smav} 1199219974Smav 1200219974Smavstatic int 1201219974Smavg_raid_md_ctl_promise(struct g_raid_md_object *md, 1202219974Smav struct gctl_req *req) 1203219974Smav{ 1204219974Smav struct g_raid_softc *sc; 1205219974Smav struct g_raid_volume *vol, *vol1; 1206219974Smav struct g_raid_subdisk *sd; 1207219974Smav struct g_raid_disk *disk, *disks[PROMISE_MAX_DISKS]; 1208219974Smav struct g_raid_md_promise_perdisk *pd; 1209219974Smav struct g_raid_md_promise_pervolume *pv; 1210219974Smav struct g_consumer *cp; 1211219974Smav struct g_provider *pp; 1212219974Smav char arg[16]; 1213241329Smav const char *nodename, *verb, *volname, *levelname, *diskname; 1214219974Smav char *tmp; 1215219974Smav int *nargs, *force; 1216219974Smav off_t size, sectorsize, strip; 1217219974Smav intmax_t *sizearg, *striparg; 1218219974Smav uint32_t offs[PROMISE_MAX_DISKS], esize; 1219219974Smav int numdisks, i, len, level, qual; 1220219974Smav int error; 1221219974Smav 1222219974Smav sc = md->mdo_softc; 1223219974Smav verb = gctl_get_param(req, "verb", NULL); 1224219974Smav nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1225219974Smav error = 0; 1226219974Smav if (strcmp(verb, "label") == 0) { 1227219974Smav 1228219974Smav if (*nargs < 4) { 1229219974Smav gctl_error(req, "Invalid number of arguments."); 1230219974Smav return (-1); 1231219974Smav } 1232219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1233219974Smav if (volname == NULL) { 1234219974Smav gctl_error(req, "No volume name."); 1235219974Smav return (-2); 1236219974Smav } 1237219974Smav levelname = gctl_get_asciiparam(req, "arg2"); 1238219974Smav if (levelname == NULL) { 1239219974Smav gctl_error(req, "No RAID level."); 1240219974Smav return (-3); 1241219974Smav } 1242234458Smav if (strcasecmp(levelname, "RAID5") == 0) 1243234727Smav levelname = "RAID5-LA"; 1244219974Smav if (g_raid_volume_str2level(levelname, &level, &qual)) { 1245219974Smav gctl_error(req, "Unknown RAID level '%s'.", levelname); 1246219974Smav return (-4); 1247219974Smav } 1248219974Smav numdisks = *nargs - 3; 1249219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1250219974Smav if (!g_raid_md_promise_supported(level, qual, numdisks, 1251219974Smav force ? *force : 0)) { 1252219974Smav gctl_error(req, "Unsupported RAID level " 1253219974Smav "(0x%02x/0x%02x), or number of disks (%d).", 1254219974Smav level, qual, numdisks); 1255219974Smav return (-5); 1256219974Smav } 1257219974Smav 1258219974Smav /* Search for disks, connect them and probe. */ 1259219974Smav size = INT64_MAX; 1260219974Smav sectorsize = 0; 1261219974Smav bzero(disks, sizeof(disks)); 1262219974Smav bzero(offs, sizeof(offs)); 1263219974Smav for (i = 0; i < numdisks; i++) { 1264219974Smav snprintf(arg, sizeof(arg), "arg%d", i + 3); 1265219974Smav diskname = gctl_get_asciiparam(req, arg); 1266219974Smav if (diskname == NULL) { 1267219974Smav gctl_error(req, "No disk name (%s).", arg); 1268219974Smav error = -6; 1269219974Smav break; 1270219974Smav } 1271219974Smav if (strcmp(diskname, "NONE") == 0) 1272219974Smav continue; 1273219974Smav 1274219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1275219974Smav if (disk->d_consumer != NULL && 1276219974Smav disk->d_consumer->provider != NULL && 1277219974Smav strcmp(disk->d_consumer->provider->name, 1278219974Smav diskname) == 0) 1279219974Smav break; 1280219974Smav } 1281219974Smav if (disk != NULL) { 1282219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 1283219974Smav gctl_error(req, "Disk '%s' is in a " 1284219974Smav "wrong state (%s).", diskname, 1285219974Smav g_raid_disk_state2str(disk->d_state)); 1286219974Smav error = -7; 1287219974Smav break; 1288219974Smav } 1289219974Smav pd = disk->d_md_data; 1290219974Smav if (pd->pd_subdisks >= PROMISE_MAX_SUBDISKS) { 1291219974Smav gctl_error(req, "Disk '%s' already " 1292219974Smav "used by %d volumes.", 1293219974Smav diskname, pd->pd_subdisks); 1294219974Smav error = -7; 1295219974Smav break; 1296219974Smav } 1297219974Smav pp = disk->d_consumer->provider; 1298219974Smav disks[i] = disk; 1299219974Smav promise_meta_unused_range(pd->pd_meta, 1300219974Smav pd->pd_subdisks, 1301219974Smav pp->mediasize / pp->sectorsize, 1302219974Smav &offs[i], &esize); 1303219974Smav size = MIN(size, (off_t)esize * pp->sectorsize); 1304219974Smav sectorsize = MAX(sectorsize, pp->sectorsize); 1305219974Smav continue; 1306219974Smav } 1307219974Smav 1308219974Smav g_topology_lock(); 1309219974Smav cp = g_raid_open_consumer(sc, diskname); 1310219974Smav if (cp == NULL) { 1311219974Smav gctl_error(req, "Can't open disk '%s'.", 1312219974Smav diskname); 1313219974Smav g_topology_unlock(); 1314219974Smav error = -8; 1315219974Smav break; 1316219974Smav } 1317219974Smav pp = cp->provider; 1318219974Smav pd = malloc(sizeof(*pd), M_MD_PROMISE, M_WAITOK | M_ZERO); 1319219974Smav disk = g_raid_create_disk(sc); 1320219974Smav disk->d_md_data = (void *)pd; 1321219974Smav disk->d_consumer = cp; 1322219974Smav disks[i] = disk; 1323219974Smav cp->private = disk; 1324219974Smav g_topology_unlock(); 1325219974Smav 1326226816Smav if (pp->mediasize / pp->sectorsize > UINT32_MAX) { 1327226816Smav gctl_error(req, 1328226816Smav "Disk '%s' is too big.", diskname); 1329226816Smav error = -8; 1330226816Smav break; 1331226816Smav } 1332226816Smav 1333242323Smav g_raid_get_disk_info(disk); 1334219974Smav 1335219974Smav /* Reserve some space for metadata. */ 1336219974Smav size = MIN(size, pp->mediasize - 131072llu * pp->sectorsize); 1337219974Smav sectorsize = MAX(sectorsize, pp->sectorsize); 1338219974Smav } 1339219974Smav if (error != 0) { 1340219974Smav for (i = 0; i < numdisks; i++) { 1341219974Smav if (disks[i] != NULL && 1342219974Smav disks[i]->d_state == G_RAID_DISK_S_NONE) 1343219974Smav g_raid_destroy_disk(disks[i]); 1344219974Smav } 1345219974Smav return (error); 1346219974Smav } 1347219974Smav 1348220210Smav if (sectorsize <= 0) { 1349220210Smav gctl_error(req, "Can't get sector size."); 1350220210Smav return (-8); 1351220210Smav } 1352220210Smav 1353219974Smav /* Handle size argument. */ 1354219974Smav len = sizeof(*sizearg); 1355219974Smav sizearg = gctl_get_param(req, "size", &len); 1356219974Smav if (sizearg != NULL && len == sizeof(*sizearg) && 1357219974Smav *sizearg > 0) { 1358219974Smav if (*sizearg > size) { 1359219974Smav gctl_error(req, "Size too big %lld > %lld.", 1360219974Smav (long long)*sizearg, (long long)size); 1361219974Smav return (-9); 1362219974Smav } 1363219974Smav size = *sizearg; 1364219974Smav } 1365219974Smav 1366219974Smav /* Handle strip argument. */ 1367219974Smav strip = 131072; 1368219974Smav len = sizeof(*striparg); 1369219974Smav striparg = gctl_get_param(req, "strip", &len); 1370219974Smav if (striparg != NULL && len == sizeof(*striparg) && 1371219974Smav *striparg > 0) { 1372219974Smav if (*striparg < sectorsize) { 1373219974Smav gctl_error(req, "Strip size too small."); 1374219974Smav return (-10); 1375219974Smav } 1376219974Smav if (*striparg % sectorsize != 0) { 1377219974Smav gctl_error(req, "Incorrect strip size."); 1378219974Smav return (-11); 1379219974Smav } 1380219974Smav strip = *striparg; 1381219974Smav } 1382219974Smav 1383219974Smav /* Round size down to strip or sector. */ 1384219974Smav if (level == G_RAID_VOLUME_RL_RAID1 || 1385219974Smav level == G_RAID_VOLUME_RL_SINGLE || 1386219974Smav level == G_RAID_VOLUME_RL_CONCAT) 1387219974Smav size -= (size % sectorsize); 1388219974Smav else if (level == G_RAID_VOLUME_RL_RAID1E && 1389219974Smav (numdisks & 1) != 0) 1390219974Smav size -= (size % (2 * strip)); 1391219974Smav else 1392219974Smav size -= (size % strip); 1393219974Smav if (size <= 0) { 1394219974Smav gctl_error(req, "Size too small."); 1395219974Smav return (-13); 1396219974Smav } 1397219974Smav if (size > 0xffffffffllu * sectorsize) { 1398219974Smav gctl_error(req, "Size too big."); 1399219974Smav return (-14); 1400219974Smav } 1401219974Smav 1402219974Smav /* We have all we need, create things: volume, ... */ 1403219974Smav pv = malloc(sizeof(*pv), M_MD_PROMISE, M_WAITOK | M_ZERO); 1404219974Smav arc4rand(&pv->pv_id, sizeof(pv->pv_id), 0); 1405219974Smav pv->pv_generation = 0; 1406219974Smav pv->pv_started = 1; 1407219974Smav vol = g_raid_create_volume(sc, volname, -1); 1408219974Smav vol->v_md_data = pv; 1409219974Smav vol->v_raid_level = level; 1410234458Smav vol->v_raid_level_qualifier = qual; 1411219974Smav vol->v_strip_size = strip; 1412219974Smav vol->v_disks_count = numdisks; 1413219974Smav if (level == G_RAID_VOLUME_RL_RAID0 || 1414219974Smav level == G_RAID_VOLUME_RL_CONCAT || 1415219974Smav level == G_RAID_VOLUME_RL_SINGLE) 1416219974Smav vol->v_mediasize = size * numdisks; 1417219974Smav else if (level == G_RAID_VOLUME_RL_RAID1) 1418219974Smav vol->v_mediasize = size; 1419219974Smav else if (level == G_RAID_VOLUME_RL_RAID3 || 1420219974Smav level == G_RAID_VOLUME_RL_RAID5) 1421219974Smav vol->v_mediasize = size * (numdisks - 1); 1422219974Smav else { /* RAID1E */ 1423219974Smav vol->v_mediasize = ((size * numdisks) / strip / 2) * 1424219974Smav strip; 1425219974Smav } 1426219974Smav vol->v_sectorsize = sectorsize; 1427219974Smav g_raid_start_volume(vol); 1428219974Smav 1429219974Smav /* , and subdisks. */ 1430219974Smav for (i = 0; i < numdisks; i++) { 1431219974Smav disk = disks[i]; 1432219974Smav sd = &vol->v_subdisks[i]; 1433219974Smav sd->sd_disk = disk; 1434219974Smav sd->sd_offset = (off_t)offs[i] * 512; 1435219974Smav sd->sd_size = size; 1436219974Smav if (disk == NULL) 1437219974Smav continue; 1438219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1439219974Smav g_raid_change_disk_state(disk, 1440219974Smav G_RAID_DISK_S_ACTIVE); 1441219974Smav g_raid_change_subdisk_state(sd, 1442219974Smav G_RAID_SUBDISK_S_ACTIVE); 1443219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1444219974Smav G_RAID_EVENT_SUBDISK); 1445219974Smav } 1446219974Smav 1447219974Smav /* Write metadata based on created entities. */ 1448219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 1449219974Smav g_raid_md_write_promise(md, vol, NULL, NULL); 1450219974Smav 1451219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 1452219974Smav g_raid_md_promise_refill(sc); 1453219974Smav 1454219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1455219974Smav G_RAID_EVENT_VOLUME); 1456219974Smav return (0); 1457219974Smav } 1458219974Smav if (strcmp(verb, "add") == 0) { 1459219974Smav 1460219974Smav gctl_error(req, "`add` command is not applicable, " 1461219974Smav "use `label` instead."); 1462219974Smav return (-99); 1463219974Smav } 1464219974Smav if (strcmp(verb, "delete") == 0) { 1465219974Smav 1466241329Smav nodename = gctl_get_asciiparam(req, "arg0"); 1467241329Smav if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0) 1468241329Smav nodename = NULL; 1469241329Smav 1470219974Smav /* Full node destruction. */ 1471241329Smav if (*nargs == 1 && nodename != NULL) { 1472219974Smav /* Check if some volume is still open. */ 1473219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1474219974Smav if (force != NULL && *force == 0 && 1475219974Smav g_raid_nopens(sc) != 0) { 1476219974Smav gctl_error(req, "Some volume is still open."); 1477219974Smav return (-4); 1478219974Smav } 1479219974Smav 1480219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1481219974Smav if (disk->d_consumer) 1482219974Smav promise_meta_erase(disk->d_consumer); 1483219974Smav } 1484219974Smav g_raid_destroy_node(sc, 0); 1485219974Smav return (0); 1486219974Smav } 1487219974Smav 1488219974Smav /* Destroy specified volume. If it was last - all node. */ 1489241329Smav if (*nargs > 2) { 1490219974Smav gctl_error(req, "Invalid number of arguments."); 1491219974Smav return (-1); 1492219974Smav } 1493241329Smav volname = gctl_get_asciiparam(req, 1494241329Smav nodename != NULL ? "arg1" : "arg0"); 1495219974Smav if (volname == NULL) { 1496219974Smav gctl_error(req, "No volume name."); 1497219974Smav return (-2); 1498219974Smav } 1499219974Smav 1500219974Smav /* Search for volume. */ 1501219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1502219974Smav if (strcmp(vol->v_name, volname) == 0) 1503219974Smav break; 1504241329Smav pp = vol->v_provider; 1505241329Smav if (pp == NULL) 1506241329Smav continue; 1507241329Smav if (strcmp(pp->name, volname) == 0) 1508241329Smav break; 1509241329Smav if (strncmp(pp->name, "raid/", 5) == 0 && 1510241329Smav strcmp(pp->name + 5, volname) == 0) 1511241329Smav 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 1647242323Smav g_raid_get_disk_info(disk); 1648219974Smav 1649219974Smav /* Welcome the "new" disk. */ 1650219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 1651219974Smav promise_meta_write_spare(cp); 1652219974Smav g_raid_md_promise_refill(sc); 1653219974Smav } 1654219974Smav return (error); 1655219974Smav } 1656219974Smav return (-100); 1657219974Smav} 1658219974Smav 1659219974Smavstatic int 1660219974Smavg_raid_md_write_promise(struct g_raid_md_object *md, struct g_raid_volume *tvol, 1661219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1662219974Smav{ 1663219974Smav struct g_raid_softc *sc; 1664219974Smav struct g_raid_volume *vol; 1665219974Smav struct g_raid_subdisk *sd; 1666219974Smav struct g_raid_disk *disk; 1667219974Smav struct g_raid_md_promise_perdisk *pd; 1668219974Smav struct g_raid_md_promise_pervolume *pv; 1669219974Smav struct promise_raid_conf *meta; 1670219974Smav off_t rebuild_lba64; 1671219974Smav int i, j, pos, rebuild; 1672219974Smav 1673219974Smav sc = md->mdo_softc; 1674219974Smav 1675219974Smav if (sc->sc_stopping == G_RAID_DESTROY_HARD) 1676219974Smav return (0); 1677219974Smav 1678219974Smav /* Generate new per-volume metadata for affected volumes. */ 1679219974Smav TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1680219974Smav if (vol->v_stopping) 1681219974Smav continue; 1682219974Smav 1683219974Smav /* Skip volumes not related to specified targets. */ 1684219974Smav if (tvol != NULL && vol != tvol) 1685219974Smav continue; 1686219974Smav if (tsd != NULL && vol != tsd->sd_volume) 1687219974Smav continue; 1688219974Smav if (tdisk != NULL) { 1689219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1690219974Smav if (vol->v_subdisks[i].sd_disk == tdisk) 1691219974Smav break; 1692219974Smav } 1693219974Smav if (i >= vol->v_disks_count) 1694219974Smav continue; 1695219974Smav } 1696219974Smav 1697219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1698219974Smav pv->pv_generation++; 1699219974Smav 1700219974Smav meta = malloc(sizeof(*meta), M_MD_PROMISE, M_WAITOK | M_ZERO); 1701219974Smav if (pv->pv_meta != NULL) 1702219974Smav memcpy(meta, pv->pv_meta, sizeof(*meta)); 1703220209Smav memcpy(meta->promise_id, PROMISE_MAGIC, 1704220209Smav sizeof(PROMISE_MAGIC) - 1); 1705219974Smav meta->dummy_0 = 0x00020000; 1706219974Smav meta->integrity = PROMISE_I_VALID; 1707219974Smav 1708219974Smav meta->generation = pv->pv_generation; 1709219974Smav meta->status = PROMISE_S_VALID | PROMISE_S_ONLINE | 1710219974Smav PROMISE_S_INITED | PROMISE_S_READY; 1711219974Smav if (vol->v_state <= G_RAID_VOLUME_S_DEGRADED) 1712219974Smav meta->status |= PROMISE_S_DEGRADED; 1713219974Smav if (vol->v_dirty) 1714219974Smav meta->status |= PROMISE_S_MARKED; /* XXX: INVENTED! */ 1715219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0 || 1716219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE) 1717219974Smav meta->type = PROMISE_T_RAID0; 1718219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1719219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 1720219974Smav meta->type = PROMISE_T_RAID1; 1721219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID3) 1722219974Smav meta->type = PROMISE_T_RAID3; 1723219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 1724219974Smav meta->type = PROMISE_T_RAID5; 1725219974Smav else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT) 1726219974Smav meta->type = PROMISE_T_SPAN; 1727219974Smav else 1728219974Smav meta->type = PROMISE_T_JBOD; 1729219974Smav meta->total_disks = vol->v_disks_count; 1730219974Smav meta->stripe_shift = ffs(vol->v_strip_size / 1024); 1731219974Smav meta->array_width = vol->v_disks_count; 1732219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1733219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 1734219974Smav meta->array_width /= 2; 1735219974Smav meta->array_number = vol->v_global_id; 1736219974Smav meta->total_sectors = vol->v_mediasize / vol->v_sectorsize; 1737226816Smav meta->total_sectors_high = 1738226816Smav (vol->v_mediasize / vol->v_sectorsize) >> 32; 1739219974Smav meta->cylinders = meta->total_sectors / (255 * 63) - 1; 1740219974Smav meta->heads = 254; 1741219974Smav meta->sectors = 63; 1742219974Smav meta->volume_id = pv->pv_id; 1743219974Smav rebuild_lba64 = UINT64_MAX; 1744219974Smav rebuild = 0; 1745219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1746219974Smav sd = &vol->v_subdisks[i]; 1747219974Smav /* For RAID0+1 we need to translate order. */ 1748219974Smav pos = promise_meta_translate_disk(vol, i); 1749219974Smav meta->disks[pos].flags = PROMISE_F_VALID | 1750219974Smav PROMISE_F_ASSIGNED; 1751219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_NONE) { 1752219974Smav meta->disks[pos].flags |= 0; 1753219974Smav } else if (sd->sd_state == G_RAID_SUBDISK_S_FAILED) { 1754219974Smav meta->disks[pos].flags |= 1755219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1756219974Smav } else if (sd->sd_state <= G_RAID_SUBDISK_S_REBUILD) { 1757219974Smav meta->disks[pos].flags |= 1758219974Smav PROMISE_F_ONLINE | PROMISE_F_REDIR; 1759219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) { 1760219974Smav rebuild_lba64 = MIN(rebuild_lba64, 1761219974Smav sd->sd_rebuild_pos / 512); 1762219974Smav } else 1763219974Smav rebuild_lba64 = 0; 1764219974Smav rebuild = 1; 1765219974Smav } else { 1766219974Smav meta->disks[pos].flags |= PROMISE_F_ONLINE; 1767219974Smav if (sd->sd_state < G_RAID_SUBDISK_S_ACTIVE) { 1768219974Smav meta->status |= PROMISE_S_MARKED; 1769219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC) { 1770219974Smav rebuild_lba64 = MIN(rebuild_lba64, 1771219974Smav sd->sd_rebuild_pos / 512); 1772219974Smav } else 1773219974Smav rebuild_lba64 = 0; 1774219974Smav } 1775219974Smav } 1776219974Smav if (pv->pv_meta != NULL) { 1777219974Smav meta->disks[pos].id = pv->pv_meta->disks[pos].id; 1778219974Smav } else { 1779219974Smav meta->disks[pos].number = i * 2; 1780219974Smav arc4rand(&meta->disks[pos].id, 1781219974Smav sizeof(meta->disks[pos].id), 0); 1782219974Smav } 1783219974Smav } 1784219974Smav promise_meta_put_name(meta, vol->v_name); 1785219974Smav 1786219974Smav /* Try to mimic AMD BIOS rebuild/resync behavior. */ 1787219974Smav if (rebuild_lba64 != UINT64_MAX) { 1788219974Smav if (rebuild) 1789219974Smav meta->magic_3 = 0x03040010UL; /* Rebuild? */ 1790219974Smav else 1791219974Smav meta->magic_3 = 0x03040008UL; /* Resync? */ 1792219974Smav /* Translate from per-disk to per-volume LBA. */ 1793219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 1794219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 1795219974Smav rebuild_lba64 *= meta->array_width; 1796219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID3 || 1797219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) { 1798219974Smav rebuild_lba64 *= meta->array_width - 1; 1799219974Smav } else 1800219974Smav rebuild_lba64 = 0; 1801219974Smav } else 1802219974Smav meta->magic_3 = 0x03000000UL; 1803219974Smav meta->rebuild_lba64 = rebuild_lba64; 1804219974Smav meta->magic_4 = 0x04010101UL; 1805219974Smav 1806219974Smav /* Replace per-volume metadata with new. */ 1807219974Smav if (pv->pv_meta != NULL) 1808219974Smav free(pv->pv_meta, M_MD_PROMISE); 1809219974Smav pv->pv_meta = meta; 1810219974Smav 1811219974Smav /* Copy new metadata to the disks, adding or replacing old. */ 1812219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1813219974Smav sd = &vol->v_subdisks[i]; 1814219974Smav disk = sd->sd_disk; 1815219974Smav if (disk == NULL) 1816219974Smav continue; 1817219974Smav /* For RAID0+1 we need to translate order. */ 1818219974Smav pos = promise_meta_translate_disk(vol, i); 1819219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1820219974Smav for (j = 0; j < pd->pd_subdisks; j++) { 1821219974Smav if (pd->pd_meta[j]->volume_id == meta->volume_id) 1822219974Smav break; 1823219974Smav } 1824219974Smav if (j == pd->pd_subdisks) 1825219974Smav pd->pd_subdisks++; 1826219974Smav if (pd->pd_meta[j] != NULL) 1827219974Smav free(pd->pd_meta[j], M_MD_PROMISE); 1828219974Smav pd->pd_meta[j] = promise_meta_copy(meta); 1829219974Smav pd->pd_meta[j]->disk = meta->disks[pos]; 1830219974Smav pd->pd_meta[j]->disk.number = pos; 1831219974Smav pd->pd_meta[j]->disk_offset = sd->sd_offset / 512; 1832219974Smav pd->pd_meta[j]->disk_sectors = sd->sd_size / 512; 1833219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) { 1834219974Smav pd->pd_meta[j]->rebuild_lba = 1835219974Smav sd->sd_rebuild_pos / 512; 1836219974Smav } else if (sd->sd_state < G_RAID_SUBDISK_S_REBUILD) 1837219974Smav pd->pd_meta[j]->rebuild_lba = 0; 1838219974Smav else 1839219974Smav pd->pd_meta[j]->rebuild_lba = UINT32_MAX; 1840219974Smav pd->pd_updated = 1; 1841219974Smav } 1842219974Smav } 1843219974Smav 1844219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1845219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1846219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) 1847219974Smav continue; 1848219974Smav if (!pd->pd_updated) 1849219974Smav continue; 1850219974Smav G_RAID_DEBUG(1, "Writing Promise metadata to %s", 1851219974Smav g_raid_get_diskname(disk)); 1852219974Smav for (i = 0; i < pd->pd_subdisks; i++) 1853219974Smav g_raid_md_promise_print(pd->pd_meta[i]); 1854219974Smav promise_meta_write(disk->d_consumer, 1855219974Smav pd->pd_meta, pd->pd_subdisks); 1856219974Smav pd->pd_updated = 0; 1857219974Smav } 1858219974Smav 1859219974Smav return (0); 1860219974Smav} 1861219974Smav 1862219974Smavstatic int 1863219974Smavg_raid_md_fail_disk_promise(struct g_raid_md_object *md, 1864219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1865219974Smav{ 1866219974Smav struct g_raid_softc *sc; 1867219974Smav struct g_raid_md_promise_perdisk *pd; 1868219974Smav struct g_raid_subdisk *sd; 1869219974Smav int i, pos; 1870219974Smav 1871219974Smav sc = md->mdo_softc; 1872219974Smav pd = (struct g_raid_md_promise_perdisk *)tdisk->d_md_data; 1873219974Smav 1874219974Smav /* We can't fail disk that is not a part of array now. */ 1875219974Smav if (tdisk->d_state != G_RAID_DISK_S_ACTIVE) 1876219974Smav return (-1); 1877219974Smav 1878219974Smav /* 1879219974Smav * Mark disk as failed in metadata and try to write that metadata 1880219974Smav * to the disk itself to prevent it's later resurrection as STALE. 1881219974Smav */ 1882219974Smav if (pd->pd_subdisks > 0 && tdisk->d_consumer != NULL) 1883219974Smav G_RAID_DEBUG(1, "Writing Promise metadata to %s", 1884219974Smav g_raid_get_diskname(tdisk)); 1885219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 1886219974Smav pd->pd_meta[i]->disk.flags |= 1887219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1888219974Smav pos = pd->pd_meta[i]->disk.number; 1889219974Smav if (pos >= 0 && pos < PROMISE_MAX_DISKS) { 1890219974Smav pd->pd_meta[i]->disks[pos].flags |= 1891219974Smav PROMISE_F_DOWN | PROMISE_F_REDIR; 1892219974Smav } 1893219974Smav g_raid_md_promise_print(pd->pd_meta[i]); 1894219974Smav } 1895219974Smav if (tdisk->d_consumer != NULL) 1896219974Smav promise_meta_write(tdisk->d_consumer, 1897219974Smav pd->pd_meta, pd->pd_subdisks); 1898219974Smav 1899219974Smav /* Change states. */ 1900219974Smav g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 1901219974Smav TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 1902219974Smav g_raid_change_subdisk_state(sd, 1903219974Smav G_RAID_SUBDISK_S_FAILED); 1904219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 1905219974Smav G_RAID_EVENT_SUBDISK); 1906219974Smav } 1907219974Smav 1908219974Smav /* Write updated metadata to remaining disks. */ 1909219974Smav g_raid_md_write_promise(md, NULL, NULL, tdisk); 1910219974Smav 1911219974Smav g_raid_md_promise_refill(sc); 1912219974Smav return (0); 1913219974Smav} 1914219974Smav 1915219974Smavstatic int 1916219974Smavg_raid_md_free_disk_promise(struct g_raid_md_object *md, 1917219974Smav struct g_raid_disk *disk) 1918219974Smav{ 1919219974Smav struct g_raid_md_promise_perdisk *pd; 1920219974Smav int i; 1921219974Smav 1922219974Smav pd = (struct g_raid_md_promise_perdisk *)disk->d_md_data; 1923219974Smav for (i = 0; i < pd->pd_subdisks; i++) { 1924219974Smav if (pd->pd_meta[i] != NULL) { 1925219974Smav free(pd->pd_meta[i], M_MD_PROMISE); 1926219974Smav pd->pd_meta[i] = NULL; 1927219974Smav } 1928219974Smav } 1929219974Smav free(pd, M_MD_PROMISE); 1930219974Smav disk->d_md_data = NULL; 1931219974Smav return (0); 1932219974Smav} 1933219974Smav 1934219974Smavstatic int 1935219974Smavg_raid_md_free_volume_promise(struct g_raid_md_object *md, 1936219974Smav struct g_raid_volume *vol) 1937219974Smav{ 1938219974Smav struct g_raid_md_promise_pervolume *pv; 1939219974Smav 1940219974Smav pv = (struct g_raid_md_promise_pervolume *)vol->v_md_data; 1941219974Smav if (pv && pv->pv_meta != NULL) { 1942219974Smav free(pv->pv_meta, M_MD_PROMISE); 1943219974Smav pv->pv_meta = NULL; 1944219974Smav } 1945219974Smav if (pv && !pv->pv_started) { 1946219974Smav pv->pv_started = 1; 1947219974Smav callout_stop(&pv->pv_start_co); 1948219974Smav } 1949235080Smav free(pv, M_MD_PROMISE); 1950235080Smav vol->v_md_data = NULL; 1951219974Smav return (0); 1952219974Smav} 1953219974Smav 1954219974Smavstatic int 1955219974Smavg_raid_md_free_promise(struct g_raid_md_object *md) 1956219974Smav{ 1957219974Smav 1958219974Smav return (0); 1959219974Smav} 1960219974Smav 1961240465SmavG_RAID_MD_DECLARE(promise, "Promise"); 1962