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("$FreeBSD$"); 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 <sys/taskqueue.h> 42219974Smav#include <geom/geom.h> 43219974Smav#include "geom/raid/g_raid.h" 44219974Smav#include "g_raid_md_if.h" 45219974Smav 46219974Smavstatic MALLOC_DEFINE(M_MD_SII, "md_sii_data", "GEOM_RAID SiI metadata"); 47219974Smav 48219974Smavstruct sii_raid_conf { 49219974Smav uint16_t ata_params_00_53[54]; 50219974Smav uint64_t total_sectors; /* 54 - 57 */ 51219974Smav uint16_t ata_params_58_81[72]; 52219974Smav uint16_t product_id; /* 130 */ 53219974Smav uint16_t vendor_id; /* 131 */ 54219974Smav uint16_t version_minor; /* 132 */ 55219974Smav uint16_t version_major; /* 133 */ 56219974Smav uint8_t timestamp[6]; /* 134 - 136 */ 57219974Smav uint16_t strip_sectors; /* 137 */ 58219974Smav uint16_t dummy_2; 59219974Smav uint8_t disk_number; /* 139 */ 60219974Smav uint8_t type; 61219974Smav#define SII_T_RAID0 0x00 62219974Smav#define SII_T_RAID1 0x01 63219974Smav#define SII_T_RAID01 0x02 64219974Smav#define SII_T_SPARE 0x03 65219974Smav#define SII_T_CONCAT 0x04 66219974Smav#define SII_T_RAID5 0x10 67219974Smav#define SII_T_RESERVED 0xfd 68219974Smav#define SII_T_JBOD 0xff 69219974Smav 70219974Smav uint8_t raid0_disks; /* 140 */ 71219974Smav uint8_t raid0_ident; 72219974Smav uint8_t raid1_disks; /* 141 */ 73219974Smav uint8_t raid1_ident; 74219974Smav uint64_t rebuild_lba; /* 142 - 145 */ 75219974Smav uint32_t generation; /* 146 - 147 */ 76219974Smav uint8_t disk_status; /* 148 */ 77219974Smav#define SII_S_CURRENT 0x01 78219974Smav#define SII_S_REBUILD 0x02 79219974Smav#define SII_S_DROPPED 0x03 80219974Smav#define SII_S_REMOVED 0x04 81219974Smav 82219974Smav uint8_t raid_status; 83219974Smav#define SII_S_ONLINE 0x01 84219974Smav#define SII_S_AVAILABLE 0x02 85219974Smav 86219974Smav uint8_t raid_location; /* 149 */ 87219974Smav uint8_t disk_location; 88219974Smav uint8_t auto_rebuild; /* 150 */ 89219974Smav#define SII_R_REBUILD 0x00 90219974Smav#define SII_R_NOREBUILD 0xff 91219974Smav 92219974Smav uint8_t dummy_3; 93219974Smav uint8_t name[16]; /* 151 - 158 */ 94219974Smav uint16_t checksum; /* 159 */ 95219974Smav uint16_t ata_params_160_255[96]; 96219974Smav} __packed; 97219974Smav 98219974Smavstruct g_raid_md_sii_perdisk { 99219974Smav struct sii_raid_conf *pd_meta; 100219974Smav int pd_disk_pos; 101219974Smav off_t pd_disk_size; 102219974Smav}; 103219974Smav 104219974Smavstruct g_raid_md_sii_object { 105219974Smav struct g_raid_md_object mdio_base; 106219974Smav uint8_t mdio_timestamp[6]; 107219974Smav uint8_t mdio_location; 108219974Smav uint32_t mdio_generation; 109219974Smav struct sii_raid_conf *mdio_meta; 110219974Smav struct callout mdio_start_co; /* STARTING state timer. */ 111219974Smav int mdio_total_disks; 112219974Smav int mdio_disks_present; 113219974Smav int mdio_started; 114219974Smav int mdio_incomplete; 115219974Smav struct root_hold_token *mdio_rootmount; /* Root mount delay token. */ 116219974Smav}; 117219974Smav 118219974Smavstatic g_raid_md_create_t g_raid_md_create_sii; 119219974Smavstatic g_raid_md_taste_t g_raid_md_taste_sii; 120219974Smavstatic g_raid_md_event_t g_raid_md_event_sii; 121219974Smavstatic g_raid_md_ctl_t g_raid_md_ctl_sii; 122219974Smavstatic g_raid_md_write_t g_raid_md_write_sii; 123219974Smavstatic g_raid_md_fail_disk_t g_raid_md_fail_disk_sii; 124219974Smavstatic g_raid_md_free_disk_t g_raid_md_free_disk_sii; 125219974Smavstatic g_raid_md_free_t g_raid_md_free_sii; 126219974Smav 127219974Smavstatic kobj_method_t g_raid_md_sii_methods[] = { 128219974Smav KOBJMETHOD(g_raid_md_create, g_raid_md_create_sii), 129219974Smav KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_sii), 130219974Smav KOBJMETHOD(g_raid_md_event, g_raid_md_event_sii), 131219974Smav KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_sii), 132219974Smav KOBJMETHOD(g_raid_md_write, g_raid_md_write_sii), 133219974Smav KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_sii), 134219974Smav KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_sii), 135219974Smav KOBJMETHOD(g_raid_md_free, g_raid_md_free_sii), 136219974Smav { 0, 0 } 137219974Smav}; 138219974Smav 139219974Smavstatic struct g_raid_md_class g_raid_md_sii_class = { 140219974Smav "SiI", 141219974Smav g_raid_md_sii_methods, 142219974Smav sizeof(struct g_raid_md_sii_object), 143240465Smav .mdc_enable = 1, 144219974Smav .mdc_priority = 100 145219974Smav}; 146219974Smav 147219974Smavstatic void 148219974Smavg_raid_md_sii_print(struct sii_raid_conf *meta) 149219974Smav{ 150219974Smav 151219974Smav if (g_raid_debug < 1) 152219974Smav return; 153219974Smav 154219974Smav printf("********* ATA SiI RAID Metadata *********\n"); 155219974Smav printf("total_sectors %llu\n", 156219974Smav (long long unsigned)meta->total_sectors); 157219974Smav printf("product_id 0x%04x\n", meta->product_id); 158219974Smav printf("vendor_id 0x%04x\n", meta->vendor_id); 159219974Smav printf("version_minor 0x%04x\n", meta->version_minor); 160219974Smav printf("version_major 0x%04x\n", meta->version_major); 161219974Smav printf("timestamp 0x%02x%02x%02x%02x%02x%02x\n", 162219974Smav meta->timestamp[5], meta->timestamp[4], meta->timestamp[3], 163219974Smav meta->timestamp[2], meta->timestamp[1], meta->timestamp[0]); 164219974Smav printf("strip_sectors %d\n", meta->strip_sectors); 165219974Smav printf("disk_number %d\n", meta->disk_number); 166219974Smav printf("type 0x%02x\n", meta->type); 167219974Smav printf("raid0_disks %d\n", meta->raid0_disks); 168219974Smav printf("raid0_ident %d\n", meta->raid0_ident); 169219974Smav printf("raid1_disks %d\n", meta->raid1_disks); 170219974Smav printf("raid1_ident %d\n", meta->raid1_ident); 171219974Smav printf("rebuild_lba %llu\n", 172219974Smav (long long unsigned)meta->rebuild_lba); 173219974Smav printf("generation %d\n", meta->generation); 174219974Smav printf("disk_status %d\n", meta->disk_status); 175219974Smav printf("raid_status %d\n", meta->raid_status); 176219974Smav printf("raid_location %d\n", meta->raid_location); 177219974Smav printf("disk_location %d\n", meta->disk_location); 178219974Smav printf("auto_rebuild %d\n", meta->auto_rebuild); 179219974Smav printf("name <%.16s>\n", meta->name); 180219974Smav printf("checksum 0x%04x\n", meta->checksum); 181219974Smav printf("=================================================\n"); 182219974Smav} 183219974Smav 184219974Smavstatic struct sii_raid_conf * 185219974Smavsii_meta_copy(struct sii_raid_conf *meta) 186219974Smav{ 187219974Smav struct sii_raid_conf *nmeta; 188219974Smav 189219974Smav nmeta = malloc(sizeof(*meta), M_MD_SII, M_WAITOK); 190219974Smav memcpy(nmeta, meta, sizeof(*meta)); 191219974Smav return (nmeta); 192219974Smav} 193219974Smav 194219974Smavstatic int 195219974Smavsii_meta_total_disks(struct sii_raid_conf *meta) 196219974Smav{ 197219974Smav 198219974Smav switch (meta->type) { 199219974Smav case SII_T_RAID0: 200219974Smav case SII_T_RAID5: 201219974Smav case SII_T_CONCAT: 202219974Smav return (meta->raid0_disks); 203219974Smav case SII_T_RAID1: 204219974Smav return (meta->raid1_disks); 205219974Smav case SII_T_RAID01: 206219974Smav return (meta->raid0_disks * meta->raid1_disks); 207219974Smav case SII_T_SPARE: 208219974Smav case SII_T_JBOD: 209219974Smav return (1); 210219974Smav } 211219974Smav return (0); 212219974Smav} 213219974Smav 214219974Smavstatic int 215219974Smavsii_meta_disk_pos(struct sii_raid_conf *meta, struct sii_raid_conf *pdmeta) 216219974Smav{ 217219974Smav 218219974Smav if (pdmeta->type == SII_T_SPARE) 219219974Smav return (-3); 220219974Smav 221219974Smav if (memcmp(&meta->timestamp, &pdmeta->timestamp, 6) != 0) 222219974Smav return (-1); 223219974Smav 224219974Smav switch (pdmeta->type) { 225219974Smav case SII_T_RAID0: 226219974Smav case SII_T_RAID1: 227219974Smav case SII_T_RAID5: 228219974Smav case SII_T_CONCAT: 229219974Smav return (pdmeta->disk_number); 230219974Smav case SII_T_RAID01: 231219974Smav return (pdmeta->raid1_ident * pdmeta->raid1_disks + 232219974Smav pdmeta->raid0_ident); 233219974Smav case SII_T_JBOD: 234219974Smav return (0); 235219974Smav } 236219974Smav return (-1); 237219974Smav} 238219974Smav 239219974Smavstatic void 240219974Smavsii_meta_get_name(struct sii_raid_conf *meta, char *buf) 241219974Smav{ 242219974Smav int i; 243219974Smav 244219974Smav strncpy(buf, meta->name, 16); 245219974Smav buf[16] = 0; 246219974Smav for (i = 15; i >= 0; i--) { 247219974Smav if (buf[i] > 0x20) 248219974Smav break; 249219974Smav buf[i] = 0; 250219974Smav } 251219974Smav} 252219974Smav 253219974Smavstatic void 254219974Smavsii_meta_put_name(struct sii_raid_conf *meta, char *buf) 255219974Smav{ 256219974Smav 257219974Smav memset(meta->name, 0x20, 16); 258219974Smav memcpy(meta->name, buf, MIN(strlen(buf), 16)); 259219974Smav} 260219974Smav 261219974Smavstatic struct sii_raid_conf * 262219974Smavsii_meta_read(struct g_consumer *cp) 263219974Smav{ 264219974Smav struct g_provider *pp; 265219974Smav struct sii_raid_conf *meta; 266219974Smav char *buf; 267219974Smav int error, i; 268219974Smav uint16_t checksum, *ptr; 269219974Smav 270219974Smav pp = cp->provider; 271219974Smav 272219974Smav /* Read the anchor sector. */ 273219974Smav buf = g_read_data(cp, 274219974Smav pp->mediasize - pp->sectorsize, pp->sectorsize, &error); 275219974Smav if (buf == NULL) { 276219974Smav G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 277219974Smav pp->name, error); 278219974Smav return (NULL); 279219974Smav } 280275926Smav meta = (struct sii_raid_conf *)buf; 281219974Smav 282219974Smav /* Check vendor ID. */ 283219974Smav if (meta->vendor_id != 0x1095) { 284219974Smav G_RAID_DEBUG(1, "SiI vendor ID check failed on %s (0x%04x)", 285219974Smav pp->name, meta->vendor_id); 286275926Smav g_free(buf); 287219974Smav return (NULL); 288219974Smav } 289219974Smav 290219974Smav /* Check metadata major version. */ 291219974Smav if (meta->version_major != 2) { 292219974Smav G_RAID_DEBUG(1, "SiI version check failed on %s (%d.%d)", 293219974Smav pp->name, meta->version_major, meta->version_minor); 294275926Smav g_free(buf); 295219974Smav return (NULL); 296219974Smav } 297275926Smav meta = malloc(sizeof(*meta), M_MD_SII, M_WAITOK); 298275926Smav memcpy(meta, buf, min(sizeof(*meta), pp->sectorsize)); 299275926Smav g_free(buf); 300219974Smav 301219974Smav /* Check metadata checksum. */ 302219974Smav for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i <= 159; i++) 303219974Smav checksum += *ptr++; 304219974Smav if (checksum != 0) { 305219974Smav G_RAID_DEBUG(1, "SiI checksum check failed on %s", pp->name); 306219974Smav free(meta, M_MD_SII); 307219974Smav return (NULL); 308219974Smav } 309219974Smav 310219974Smav /* Check raid type. */ 311219974Smav if (meta->type != SII_T_RAID0 && meta->type != SII_T_RAID1 && 312219974Smav meta->type != SII_T_RAID01 && meta->type != SII_T_SPARE && 313219974Smav meta->type != SII_T_RAID5 && meta->type != SII_T_CONCAT && 314219974Smav meta->type != SII_T_JBOD) { 315219974Smav G_RAID_DEBUG(1, "SiI unknown RAID level on %s (0x%02x)", 316219974Smav pp->name, meta->type); 317219974Smav free(meta, M_MD_SII); 318219974Smav return (NULL); 319219974Smav } 320219974Smav 321219974Smav return (meta); 322219974Smav} 323219974Smav 324219974Smavstatic int 325219974Smavsii_meta_write(struct g_consumer *cp, struct sii_raid_conf *meta) 326219974Smav{ 327219974Smav struct g_provider *pp; 328219974Smav char *buf; 329219974Smav int error, i; 330219974Smav uint16_t checksum, *ptr; 331219974Smav 332219974Smav pp = cp->provider; 333219974Smav 334219974Smav /* Recalculate checksum for case if metadata were changed. */ 335219974Smav meta->checksum = 0; 336219974Smav for (checksum = 0, ptr = (uint16_t *)meta, i = 0; i < 159; i++) 337219974Smav checksum += *ptr++; 338219974Smav meta->checksum -= checksum; 339219974Smav 340219974Smav /* Create and fill buffer. */ 341219974Smav buf = malloc(pp->sectorsize, M_MD_SII, M_WAITOK | M_ZERO); 342219974Smav memcpy(buf, meta, sizeof(*meta)); 343219974Smav 344219974Smav /* Write 4 copies of metadata. */ 345219974Smav for (i = 0; i < 4; i++) { 346219974Smav error = g_write_data(cp, 347219974Smav pp->mediasize - (pp->sectorsize * (1 + 0x200 * i)), 348219974Smav buf, pp->sectorsize); 349219974Smav if (error != 0) { 350219974Smav G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 351219974Smav pp->name, error); 352219974Smav break; 353219974Smav } 354219974Smav } 355219974Smav 356219974Smav free(buf, M_MD_SII); 357219974Smav return (error); 358219974Smav} 359219974Smav 360219974Smavstatic int 361219974Smavsii_meta_erase(struct g_consumer *cp) 362219974Smav{ 363219974Smav struct g_provider *pp; 364219974Smav char *buf; 365219974Smav int error, i; 366219974Smav 367219974Smav pp = cp->provider; 368219974Smav buf = malloc(pp->sectorsize, M_MD_SII, M_WAITOK | M_ZERO); 369219974Smav /* Write 4 copies of metadata. */ 370219974Smav for (i = 0; i < 4; i++) { 371219974Smav error = g_write_data(cp, 372219974Smav pp->mediasize - (pp->sectorsize * (1 + 0x200 * i)), 373219974Smav buf, pp->sectorsize); 374219974Smav if (error != 0) { 375219974Smav G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 376219974Smav pp->name, error); 377219974Smav } 378219974Smav } 379219974Smav free(buf, M_MD_SII); 380219974Smav return (error); 381219974Smav} 382219974Smav 383219974Smavstatic int 384219974Smavsii_meta_write_spare(struct g_consumer *cp) 385219974Smav{ 386219974Smav struct sii_raid_conf *meta; 387219974Smav int error; 388219974Smav 389219974Smav meta = malloc(sizeof(*meta), M_MD_SII, M_WAITOK | M_ZERO); 390219974Smav meta->total_sectors = cp->provider->mediasize / 391219974Smav cp->provider->sectorsize - 0x800; 392219974Smav meta->vendor_id = 0x1095; 393219974Smav meta->version_minor = 0; 394219974Smav meta->version_major = 2; 395219974Smav meta->timestamp[0] = arc4random(); 396219974Smav meta->timestamp[1] = arc4random(); 397219974Smav meta->timestamp[2] = arc4random(); 398219974Smav meta->timestamp[3] = arc4random(); 399219974Smav meta->timestamp[4] = arc4random(); 400219974Smav meta->timestamp[5] = arc4random(); 401219974Smav meta->type = SII_T_SPARE; 402219974Smav meta->generation = 1; 403219974Smav meta->raid1_ident = 0xff; 404219974Smav meta->raid_location = arc4random(); 405219974Smav error = sii_meta_write(cp, meta); 406219974Smav free(meta, M_MD_SII); 407219974Smav return (error); 408219974Smav} 409219974Smav 410219974Smavstatic struct g_raid_disk * 411219974Smavg_raid_md_sii_get_disk(struct g_raid_softc *sc, int id) 412219974Smav{ 413219974Smav struct g_raid_disk *disk; 414219974Smav struct g_raid_md_sii_perdisk *pd; 415219974Smav 416219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 417219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 418219974Smav if (pd->pd_disk_pos == id) 419219974Smav break; 420219974Smav } 421219974Smav return (disk); 422219974Smav} 423219974Smav 424219974Smavstatic int 425219974Smavg_raid_md_sii_supported(int level, int qual, int disks, int force) 426219974Smav{ 427219974Smav 428219974Smav if (disks > 8) 429219974Smav return (0); 430219974Smav switch (level) { 431219974Smav case G_RAID_VOLUME_RL_RAID0: 432219974Smav if (disks < 1) 433219974Smav return (0); 434219974Smav if (!force && (disks < 2 || disks > 6)) 435219974Smav return (0); 436219974Smav break; 437219974Smav case G_RAID_VOLUME_RL_RAID1: 438219974Smav if (disks < 1) 439219974Smav return (0); 440219974Smav if (!force && (disks != 2)) 441219974Smav return (0); 442219974Smav break; 443219974Smav case G_RAID_VOLUME_RL_RAID1E: 444219974Smav if (disks < 2) 445219974Smav return (0); 446219974Smav if (disks % 2 != 0) 447219974Smav return (0); 448219974Smav if (!force && (disks < 4)) 449219974Smav return (0); 450219974Smav break; 451219974Smav case G_RAID_VOLUME_RL_SINGLE: 452219974Smav if (disks != 1) 453219974Smav return (0); 454219974Smav break; 455219974Smav case G_RAID_VOLUME_RL_CONCAT: 456219974Smav if (disks < 2) 457219974Smav return (0); 458219974Smav break; 459219974Smav case G_RAID_VOLUME_RL_RAID5: 460219974Smav if (disks < 3) 461219974Smav return (0); 462234458Smav if (qual != G_RAID_VOLUME_RLQ_R5LS) 463234458Smav return (0); 464219974Smav break; 465219974Smav default: 466219974Smav return (0); 467219974Smav } 468234458Smav if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 469219974Smav return (0); 470219974Smav return (1); 471219974Smav} 472219974Smav 473219974Smavstatic int 474219974Smavg_raid_md_sii_start_disk(struct g_raid_disk *disk) 475219974Smav{ 476219974Smav struct g_raid_softc *sc; 477219974Smav struct g_raid_subdisk *sd, *tmpsd; 478219974Smav struct g_raid_disk *olddisk, *tmpdisk; 479219974Smav struct g_raid_md_object *md; 480219974Smav struct g_raid_md_sii_object *mdi; 481219974Smav struct g_raid_md_sii_perdisk *pd, *oldpd; 482219974Smav struct sii_raid_conf *meta; 483219974Smav int disk_pos, resurrection = 0; 484219974Smav 485219974Smav sc = disk->d_softc; 486219974Smav md = sc->sc_md; 487219974Smav mdi = (struct g_raid_md_sii_object *)md; 488219974Smav meta = mdi->mdio_meta; 489219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 490219974Smav olddisk = NULL; 491219974Smav 492219974Smav /* Find disk position in metadata by it's serial. */ 493219974Smav if (pd->pd_meta != NULL) 494219974Smav disk_pos = sii_meta_disk_pos(meta, pd->pd_meta); 495219974Smav else 496219974Smav disk_pos = -3; 497219974Smav if (disk_pos < 0) { 498219974Smav G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk"); 499219974Smav /* If we are in the start process, that's all for now. */ 500219974Smav if (!mdi->mdio_started) 501219974Smav goto nofit; 502219974Smav /* 503219974Smav * If we have already started - try to get use of the disk. 504219974Smav * Try to replace OFFLINE disks first, then FAILED. 505219974Smav */ 506219974Smav TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) { 507219974Smav if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE && 508219974Smav tmpdisk->d_state != G_RAID_DISK_S_FAILED) 509219974Smav continue; 510219974Smav /* Make sure this disk is big enough. */ 511219974Smav TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) { 512219974Smav if (sd->sd_offset + sd->sd_size + 512 > 513219974Smav pd->pd_disk_size) { 514219974Smav G_RAID_DEBUG1(1, sc, 515219974Smav "Disk too small (%ju < %ju)", 516219974Smav pd->pd_disk_size, 517219974Smav sd->sd_offset + sd->sd_size + 512); 518219974Smav break; 519219974Smav } 520219974Smav } 521219974Smav if (sd != NULL) 522219974Smav continue; 523219974Smav if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) { 524219974Smav olddisk = tmpdisk; 525219974Smav break; 526219974Smav } else if (olddisk == NULL) 527219974Smav olddisk = tmpdisk; 528219974Smav } 529219974Smav if (olddisk == NULL) { 530219974Smavnofit: 531219974Smav if (disk_pos == -3 || pd->pd_disk_pos == -3) { 532219974Smav g_raid_change_disk_state(disk, 533219974Smav G_RAID_DISK_S_SPARE); 534219974Smav return (1); 535219974Smav } else { 536219974Smav g_raid_change_disk_state(disk, 537219974Smav G_RAID_DISK_S_STALE); 538219974Smav return (0); 539219974Smav } 540219974Smav } 541219974Smav oldpd = (struct g_raid_md_sii_perdisk *)olddisk->d_md_data; 542219974Smav disk_pos = oldpd->pd_disk_pos; 543219974Smav resurrection = 1; 544219974Smav } 545219974Smav 546219974Smav if (olddisk == NULL) { 547219974Smav /* Find placeholder by position. */ 548219974Smav olddisk = g_raid_md_sii_get_disk(sc, disk_pos); 549219974Smav if (olddisk == NULL) 550219974Smav panic("No disk at position %d!", disk_pos); 551219974Smav if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) { 552286759Spfg G_RAID_DEBUG1(1, sc, "More than one disk for pos %d", 553219974Smav disk_pos); 554219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE); 555219974Smav return (0); 556219974Smav } 557219974Smav oldpd = (struct g_raid_md_sii_perdisk *)olddisk->d_md_data; 558219974Smav } 559219974Smav 560219974Smav /* Replace failed disk or placeholder with new disk. */ 561219974Smav TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) { 562219974Smav TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next); 563219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 564219974Smav sd->sd_disk = disk; 565219974Smav } 566219974Smav oldpd->pd_disk_pos = -2; 567219974Smav pd->pd_disk_pos = disk_pos; 568219974Smav 569219974Smav /* If it was placeholder -- destroy it. */ 570219974Smav if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) { 571219974Smav g_raid_destroy_disk(olddisk); 572219974Smav } else { 573219974Smav /* Otherwise, make it STALE_FAILED. */ 574219974Smav g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED); 575219974Smav } 576219974Smav 577219974Smav /* Welcome the new disk. */ 578219974Smav if (resurrection) 579219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 580219974Smav else if (pd->pd_meta->disk_status == SII_S_CURRENT || 581219974Smav pd->pd_meta->disk_status == SII_S_REBUILD) 582219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 583219974Smav else 584219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 585219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 586219974Smav 587219974Smav /* 588219974Smav * Different disks may have different sizes, 589219974Smav * in concat mode. Update from real disk size. 590219974Smav */ 591219974Smav if (meta->type == SII_T_CONCAT || meta->type == SII_T_JBOD) 592219974Smav sd->sd_size = pd->pd_disk_size - 0x800 * 512; 593219974Smav 594219974Smav if (resurrection) { 595219974Smav /* New or ex-spare disk. */ 596219974Smav g_raid_change_subdisk_state(sd, 597219974Smav G_RAID_SUBDISK_S_NEW); 598219974Smav } else if (pd->pd_meta->disk_status == SII_S_REBUILD) { 599219974Smav /* Rebuilding disk. */ 600219974Smav g_raid_change_subdisk_state(sd, 601219974Smav G_RAID_SUBDISK_S_REBUILD); 602219974Smav if (pd->pd_meta->generation == meta->generation) 603219974Smav sd->sd_rebuild_pos = pd->pd_meta->rebuild_lba * 512; 604219974Smav else 605219974Smav sd->sd_rebuild_pos = 0; 606219974Smav } else if (pd->pd_meta->disk_status == SII_S_CURRENT) { 607219974Smav if (pd->pd_meta->raid_status == SII_S_ONLINE || 608219974Smav pd->pd_meta->generation != meta->generation) { 609219974Smav /* Dirty or resyncing disk. */ 610219974Smav g_raid_change_subdisk_state(sd, 611219974Smav G_RAID_SUBDISK_S_STALE); 612219974Smav } else { 613219974Smav /* Up to date disk. */ 614219974Smav g_raid_change_subdisk_state(sd, 615219974Smav G_RAID_SUBDISK_S_ACTIVE); 616219974Smav } 617219974Smav } else { 618219974Smav g_raid_change_subdisk_state(sd, 619219974Smav G_RAID_SUBDISK_S_FAILED); 620219974Smav } 621219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 622219974Smav G_RAID_EVENT_SUBDISK); 623219974Smav } 624219974Smav 625219974Smav /* Update status of our need for spare. */ 626219974Smav if (mdi->mdio_started) { 627219974Smav mdi->mdio_incomplete = 628219974Smav (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 629219974Smav mdi->mdio_total_disks); 630219974Smav } 631219974Smav 632219974Smav return (resurrection); 633219974Smav} 634219974Smav 635219974Smavstatic void 636219974Smavg_disk_md_sii_retaste(void *arg, int pending) 637219974Smav{ 638219974Smav 639219974Smav G_RAID_DEBUG(1, "Array is not complete, trying to retaste."); 640219974Smav g_retaste(&g_raid_class); 641219974Smav free(arg, M_MD_SII); 642219974Smav} 643219974Smav 644219974Smavstatic void 645219974Smavg_raid_md_sii_refill(struct g_raid_softc *sc) 646219974Smav{ 647219974Smav struct g_raid_md_object *md; 648219974Smav struct g_raid_md_sii_object *mdi; 649219974Smav struct g_raid_disk *disk; 650219974Smav struct task *task; 651219974Smav int update, na; 652219974Smav 653219974Smav md = sc->sc_md; 654219974Smav mdi = (struct g_raid_md_sii_object *)md; 655219974Smav update = 0; 656219974Smav do { 657219974Smav /* Make sure we miss anything. */ 658219974Smav na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE); 659219974Smav if (na == mdi->mdio_total_disks) 660219974Smav break; 661219974Smav 662219974Smav G_RAID_DEBUG1(1, md->mdo_softc, 663219974Smav "Array is not complete (%d of %d), " 664219974Smav "trying to refill.", na, mdi->mdio_total_disks); 665219974Smav 666219974Smav /* Try to get use some of STALE disks. */ 667219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 668219974Smav if (disk->d_state == G_RAID_DISK_S_STALE) { 669219974Smav update += g_raid_md_sii_start_disk(disk); 670219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) 671219974Smav break; 672219974Smav } 673219974Smav } 674219974Smav if (disk != NULL) 675219974Smav continue; 676219974Smav 677219974Smav /* Try to get use some of SPARE disks. */ 678219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 679219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) { 680219974Smav update += g_raid_md_sii_start_disk(disk); 681219974Smav if (disk->d_state == G_RAID_DISK_S_ACTIVE) 682219974Smav break; 683219974Smav } 684219974Smav } 685219974Smav } while (disk != NULL); 686219974Smav 687219974Smav /* Write new metadata if we changed something. */ 688220210Smav if (update) 689219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 690219974Smav 691219974Smav /* Update status of our need for spare. */ 692219974Smav mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) < 693219974Smav mdi->mdio_total_disks); 694219974Smav 695219974Smav /* Request retaste hoping to find spare. */ 696219974Smav if (mdi->mdio_incomplete) { 697219974Smav task = malloc(sizeof(struct task), 698219974Smav M_MD_SII, M_WAITOK | M_ZERO); 699219974Smav TASK_INIT(task, 0, g_disk_md_sii_retaste, task); 700219974Smav taskqueue_enqueue(taskqueue_swi, task); 701219974Smav } 702219974Smav} 703219974Smav 704219974Smavstatic void 705219974Smavg_raid_md_sii_start(struct g_raid_softc *sc) 706219974Smav{ 707219974Smav struct g_raid_md_object *md; 708219974Smav struct g_raid_md_sii_object *mdi; 709219974Smav struct g_raid_md_sii_perdisk *pd; 710219974Smav struct sii_raid_conf *meta; 711219974Smav struct g_raid_volume *vol; 712219974Smav struct g_raid_subdisk *sd; 713219974Smav struct g_raid_disk *disk, *best; 714219974Smav off_t size; 715219974Smav int j, disk_pos; 716219974Smav uint32_t gendiff, bestgendiff; 717219974Smav char buf[17]; 718219974Smav 719219974Smav md = sc->sc_md; 720219974Smav mdi = (struct g_raid_md_sii_object *)md; 721219974Smav meta = mdi->mdio_meta; 722219974Smav 723219974Smav /* Create volumes and subdisks. */ 724219974Smav sii_meta_get_name(meta, buf); 725219974Smav vol = g_raid_create_volume(sc, buf, -1); 726219974Smav vol->v_mediasize = (off_t)meta->total_sectors * 512; 727234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 728219974Smav if (meta->type == SII_T_RAID0) { 729219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 730219974Smav size = vol->v_mediasize / mdi->mdio_total_disks; 731219974Smav } else if (meta->type == SII_T_RAID1) { 732219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 733219974Smav size = vol->v_mediasize; 734219974Smav } else if (meta->type == SII_T_RAID01) { 735219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 736219974Smav size = vol->v_mediasize / (mdi->mdio_total_disks / 2); 737219974Smav } else if (meta->type == SII_T_CONCAT) { 738219974Smav if (mdi->mdio_total_disks == 1) 739219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE; 740219974Smav else 741219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_CONCAT; 742219974Smav size = 0; 743219974Smav } else if (meta->type == SII_T_RAID5) { 744219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 745234458Smav vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LS; 746219974Smav size = vol->v_mediasize / (mdi->mdio_total_disks - 1); 747219974Smav } else if (meta->type == SII_T_JBOD) { 748219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_SINGLE; 749219974Smav size = 0; 750219974Smav } else { 751219974Smav vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 752219974Smav size = 0; 753219974Smav } 754219974Smav vol->v_strip_size = meta->strip_sectors * 512; //ZZZ 755219974Smav vol->v_disks_count = mdi->mdio_total_disks; 756219974Smav vol->v_sectorsize = 512; //ZZZ 757219974Smav for (j = 0; j < vol->v_disks_count; j++) { 758219974Smav sd = &vol->v_subdisks[j]; 759219974Smav sd->sd_offset = 0; 760219974Smav sd->sd_size = size; 761219974Smav } 762219974Smav g_raid_start_volume(vol); 763219974Smav 764219974Smav /* Create disk placeholders to store data for later writing. */ 765219974Smav for (disk_pos = 0; disk_pos < mdi->mdio_total_disks; disk_pos++) { 766219974Smav pd = malloc(sizeof(*pd), M_MD_SII, M_WAITOK | M_ZERO); 767219974Smav pd->pd_disk_pos = disk_pos; 768219974Smav disk = g_raid_create_disk(sc); 769219974Smav disk->d_md_data = (void *)pd; 770219974Smav disk->d_state = G_RAID_DISK_S_OFFLINE; 771219974Smav sd = &vol->v_subdisks[disk_pos]; 772219974Smav sd->sd_disk = disk; 773219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 774219974Smav } 775219974Smav 776219974Smav /* 777219974Smav * Make all disks found till the moment take their places 778219974Smav * in order of their generation numbers. 779219974Smav */ 780219974Smav do { 781219974Smav best = NULL; 782219974Smav bestgendiff = 0xffffffff; 783219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 784219974Smav if (disk->d_state != G_RAID_DISK_S_NONE) 785219974Smav continue; 786219974Smav pd = disk->d_md_data; 787219974Smav if (pd->pd_meta == NULL) 788219974Smav gendiff = 0xfffffffe; 789219974Smav else 790219974Smav gendiff = meta->generation - 791219974Smav pd->pd_meta->generation; 792219974Smav if (gendiff < bestgendiff) { 793219974Smav best = disk; 794219974Smav bestgendiff = gendiff; 795219974Smav } 796219974Smav } 797219974Smav if (best != NULL) 798219974Smav g_raid_md_sii_start_disk(best); 799219974Smav } while (best != NULL); 800219974Smav 801219974Smav mdi->mdio_started = 1; 802219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 803219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 804219974Smav 805219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 806219974Smav g_raid_md_sii_refill(sc); 807219974Smav 808219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, G_RAID_EVENT_VOLUME); 809219974Smav 810219974Smav callout_stop(&mdi->mdio_start_co); 811219974Smav G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount); 812219974Smav root_mount_rel(mdi->mdio_rootmount); 813219974Smav mdi->mdio_rootmount = NULL; 814219974Smav} 815219974Smav 816219974Smavstatic void 817219974Smavg_raid_md_sii_new_disk(struct g_raid_disk *disk) 818219974Smav{ 819219974Smav struct g_raid_softc *sc; 820219974Smav struct g_raid_md_object *md; 821219974Smav struct g_raid_md_sii_object *mdi; 822219974Smav struct sii_raid_conf *pdmeta; 823219974Smav struct g_raid_md_sii_perdisk *pd; 824219974Smav 825219974Smav sc = disk->d_softc; 826219974Smav md = sc->sc_md; 827219974Smav mdi = (struct g_raid_md_sii_object *)md; 828219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 829219974Smav pdmeta = pd->pd_meta; 830219974Smav 831219974Smav if (mdi->mdio_started) { 832219974Smav if (g_raid_md_sii_start_disk(disk)) 833219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 834219974Smav } else { 835219974Smav if (mdi->mdio_meta == NULL || 836219974Smav ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) { 837219974Smav G_RAID_DEBUG1(1, sc, "Newer disk"); 838219974Smav if (mdi->mdio_meta != NULL) 839219974Smav free(mdi->mdio_meta, M_MD_SII); 840219974Smav mdi->mdio_meta = sii_meta_copy(pdmeta); 841219974Smav mdi->mdio_generation = mdi->mdio_meta->generation; 842219974Smav mdi->mdio_total_disks = sii_meta_total_disks(pdmeta); 843219974Smav mdi->mdio_disks_present = 1; 844219974Smav } else if (pdmeta->generation == mdi->mdio_generation) { 845219974Smav mdi->mdio_disks_present++; 846219974Smav G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 847219974Smav mdi->mdio_disks_present, 848219974Smav mdi->mdio_total_disks); 849219974Smav } else { 850219974Smav G_RAID_DEBUG1(1, sc, "Older disk"); 851219974Smav } 852219974Smav 853219974Smav /* If we collected all needed disks - start array. */ 854219974Smav if (mdi->mdio_disks_present == mdi->mdio_total_disks) 855219974Smav g_raid_md_sii_start(sc); 856219974Smav } 857219974Smav} 858219974Smav 859219974Smavstatic void 860219974Smavg_raid_sii_go(void *arg) 861219974Smav{ 862219974Smav struct g_raid_softc *sc; 863219974Smav struct g_raid_md_object *md; 864219974Smav struct g_raid_md_sii_object *mdi; 865219974Smav 866219974Smav sc = arg; 867219974Smav md = sc->sc_md; 868219974Smav mdi = (struct g_raid_md_sii_object *)md; 869219974Smav if (!mdi->mdio_started) { 870219974Smav G_RAID_DEBUG1(0, sc, "Force array start due to timeout."); 871219974Smav g_raid_event_send(sc, G_RAID_NODE_E_START, 0); 872219974Smav } 873219974Smav} 874219974Smav 875219974Smavstatic int 876219974Smavg_raid_md_create_sii(struct g_raid_md_object *md, struct g_class *mp, 877219974Smav struct g_geom **gp) 878219974Smav{ 879219974Smav struct g_raid_softc *sc; 880219974Smav struct g_raid_md_sii_object *mdi; 881219974Smav char name[32]; 882219974Smav 883219974Smav mdi = (struct g_raid_md_sii_object *)md; 884219974Smav mdi->mdio_timestamp[5] = arc4random(); 885219974Smav mdi->mdio_timestamp[4] = arc4random(); 886219974Smav mdi->mdio_timestamp[3] = arc4random(); 887219974Smav mdi->mdio_timestamp[2] = arc4random(); 888219974Smav mdi->mdio_timestamp[1] = arc4random(); 889219974Smav mdi->mdio_timestamp[0] = arc4random(); 890219974Smav mdi->mdio_location = arc4random(); 891219974Smav mdi->mdio_generation = 0; 892219974Smav snprintf(name, sizeof(name), "SiI-%02x%02x%02x%02x%02x%02x", 893219974Smav mdi->mdio_timestamp[5], mdi->mdio_timestamp[4], 894219974Smav mdi->mdio_timestamp[3], mdi->mdio_timestamp[2], 895219974Smav mdi->mdio_timestamp[1], mdi->mdio_timestamp[0]); 896219974Smav sc = g_raid_create_node(mp, name, md); 897219974Smav if (sc == NULL) 898219974Smav return (G_RAID_MD_TASTE_FAIL); 899219974Smav md->mdo_softc = sc; 900219974Smav *gp = sc->sc_geom; 901219974Smav return (G_RAID_MD_TASTE_NEW); 902219974Smav} 903219974Smav 904219974Smavstatic int 905219974Smavg_raid_md_taste_sii(struct g_raid_md_object *md, struct g_class *mp, 906219974Smav struct g_consumer *cp, struct g_geom **gp) 907219974Smav{ 908219974Smav struct g_consumer *rcp; 909219974Smav struct g_provider *pp; 910219974Smav struct g_raid_md_sii_object *mdi, *mdi1; 911219974Smav struct g_raid_softc *sc; 912219974Smav struct g_raid_disk *disk; 913219974Smav struct sii_raid_conf *meta; 914219974Smav struct g_raid_md_sii_perdisk *pd; 915219974Smav struct g_geom *geom; 916242323Smav int disk_pos, result, spare, len; 917219974Smav char name[32]; 918219974Smav uint16_t vendor; 919219974Smav 920219974Smav G_RAID_DEBUG(1, "Tasting SiI on %s", cp->provider->name); 921219974Smav mdi = (struct g_raid_md_sii_object *)md; 922219974Smav pp = cp->provider; 923219974Smav 924219974Smav /* Read metadata from device. */ 925219974Smav meta = NULL; 926279878Smav g_topology_unlock(); 927219974Smav vendor = 0xffff; 928279878Smav len = sizeof(vendor); 929219974Smav if (pp->geom->rank == 1) 930219974Smav g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 931219974Smav meta = sii_meta_read(cp); 932219974Smav g_topology_lock(); 933219974Smav if (meta == NULL) { 934219974Smav if (g_raid_aggressive_spare) { 935219974Smav if (vendor == 0x1095) { 936219974Smav G_RAID_DEBUG(1, 937219974Smav "No SiI metadata, forcing spare."); 938219974Smav spare = 2; 939219974Smav goto search; 940219974Smav } else { 941219974Smav G_RAID_DEBUG(1, 942219974Smav "SiI vendor mismatch 0x%04x != 0x1095", 943219974Smav vendor); 944219974Smav } 945219974Smav } 946219974Smav return (G_RAID_MD_TASTE_FAIL); 947219974Smav } 948219974Smav 949219974Smav /* Check this disk position in obtained metadata. */ 950219974Smav disk_pos = sii_meta_disk_pos(meta, meta); 951219974Smav if (disk_pos == -1) { 952219974Smav G_RAID_DEBUG(1, "SiI disk position not found"); 953219974Smav goto fail1; 954219974Smav } 955219974Smav 956219974Smav /* Metadata valid. Print it. */ 957219974Smav g_raid_md_sii_print(meta); 958219974Smav G_RAID_DEBUG(1, "SiI disk position %d", disk_pos); 959219974Smav spare = (meta->type == SII_T_SPARE) ? 1 : 0; 960219974Smav 961219974Smavsearch: 962219974Smav /* Search for matching node. */ 963219974Smav sc = NULL; 964219974Smav mdi1 = NULL; 965219974Smav LIST_FOREACH(geom, &mp->geom, geom) { 966219974Smav sc = geom->softc; 967219974Smav if (sc == NULL) 968219974Smav continue; 969219974Smav if (sc->sc_stopping != 0) 970219974Smav continue; 971219974Smav if (sc->sc_md->mdo_class != md->mdo_class) 972219974Smav continue; 973219974Smav mdi1 = (struct g_raid_md_sii_object *)sc->sc_md; 974219974Smav if (spare) { 975219974Smav if (mdi1->mdio_incomplete) 976219974Smav break; 977219974Smav } else { 978219974Smav if (mdi1->mdio_location == meta->raid_location && 979219974Smav memcmp(&mdi1->mdio_timestamp, 980219974Smav &meta->timestamp, 6) == 0) 981219974Smav break; 982219974Smav } 983219974Smav } 984219974Smav 985219974Smav /* Found matching node. */ 986219974Smav if (geom != NULL) { 987219974Smav G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 988219974Smav result = G_RAID_MD_TASTE_EXISTING; 989219974Smav 990219974Smav } else if (spare) { /* Not found needy node -- left for later. */ 991219974Smav G_RAID_DEBUG(1, "Spare is not needed at this time"); 992219974Smav goto fail1; 993219974Smav 994219974Smav } else { /* Not found matching node -- create one. */ 995219974Smav result = G_RAID_MD_TASTE_NEW; 996219974Smav memcpy(&mdi->mdio_timestamp, &meta->timestamp, 6); 997219974Smav mdi->mdio_location = meta->raid_location; 998219974Smav snprintf(name, sizeof(name), "SiI-%02x%02x%02x%02x%02x%02x", 999219974Smav mdi->mdio_timestamp[5], mdi->mdio_timestamp[4], 1000219974Smav mdi->mdio_timestamp[3], mdi->mdio_timestamp[2], 1001219974Smav mdi->mdio_timestamp[1], mdi->mdio_timestamp[0]); 1002219974Smav sc = g_raid_create_node(mp, name, md); 1003219974Smav md->mdo_softc = sc; 1004219974Smav geom = sc->sc_geom; 1005219974Smav callout_init(&mdi->mdio_start_co, 1); 1006219974Smav callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz, 1007219974Smav g_raid_sii_go, sc); 1008219974Smav mdi->mdio_rootmount = root_mount_hold("GRAID-SiI"); 1009219974Smav G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount); 1010219974Smav } 1011219974Smav 1012265669Smav /* There is no return after this point, so we close passed consumer. */ 1013265669Smav g_access(cp, -1, 0, 0); 1014265669Smav 1015219974Smav rcp = g_new_consumer(geom); 1016260385Sscottl rcp->flags |= G_CF_DIRECT_RECEIVE; 1017219974Smav g_attach(rcp, pp); 1018219974Smav if (g_access(rcp, 1, 1, 1) != 0) 1019219974Smav ; //goto fail1; 1020219974Smav 1021219974Smav g_topology_unlock(); 1022219974Smav sx_xlock(&sc->sc_lock); 1023219974Smav 1024219974Smav pd = malloc(sizeof(*pd), M_MD_SII, M_WAITOK | M_ZERO); 1025219974Smav pd->pd_meta = meta; 1026219974Smav if (spare == 2) { 1027219974Smav pd->pd_disk_pos = -3; 1028219974Smav } else { 1029219974Smav pd->pd_disk_pos = -1; 1030219974Smav } 1031219974Smav pd->pd_disk_size = pp->mediasize; 1032219974Smav disk = g_raid_create_disk(sc); 1033219974Smav disk->d_md_data = (void *)pd; 1034219974Smav disk->d_consumer = rcp; 1035219974Smav rcp->private = disk; 1036219974Smav 1037242323Smav g_raid_get_disk_info(disk); 1038219974Smav 1039219974Smav g_raid_md_sii_new_disk(disk); 1040219974Smav 1041219974Smav sx_xunlock(&sc->sc_lock); 1042219974Smav g_topology_lock(); 1043219974Smav *gp = geom; 1044219974Smav return (result); 1045219974Smavfail1: 1046219974Smav free(meta, M_MD_SII); 1047219974Smav return (G_RAID_MD_TASTE_FAIL); 1048219974Smav} 1049219974Smav 1050219974Smavstatic int 1051219974Smavg_raid_md_event_sii(struct g_raid_md_object *md, 1052219974Smav struct g_raid_disk *disk, u_int event) 1053219974Smav{ 1054219974Smav struct g_raid_softc *sc; 1055219974Smav struct g_raid_subdisk *sd; 1056219974Smav struct g_raid_md_sii_object *mdi; 1057219974Smav struct g_raid_md_sii_perdisk *pd; 1058219974Smav 1059219974Smav sc = md->mdo_softc; 1060219974Smav mdi = (struct g_raid_md_sii_object *)md; 1061219974Smav if (disk == NULL) { 1062219974Smav switch (event) { 1063219974Smav case G_RAID_NODE_E_START: 1064219974Smav if (!mdi->mdio_started) 1065219974Smav g_raid_md_sii_start(sc); 1066219974Smav return (0); 1067219974Smav } 1068219974Smav return (-1); 1069219974Smav } 1070219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 1071219974Smav switch (event) { 1072219974Smav case G_RAID_DISK_E_DISCONNECTED: 1073219974Smav /* If disk was assigned, just update statuses. */ 1074219974Smav if (pd->pd_disk_pos >= 0) { 1075219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1076219974Smav if (disk->d_consumer) { 1077219974Smav g_raid_kill_consumer(sc, disk->d_consumer); 1078219974Smav disk->d_consumer = NULL; 1079219974Smav } 1080219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1081219974Smav g_raid_change_subdisk_state(sd, 1082219974Smav G_RAID_SUBDISK_S_NONE); 1083219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1084219974Smav G_RAID_EVENT_SUBDISK); 1085219974Smav } 1086219974Smav } else { 1087219974Smav /* Otherwise -- delete. */ 1088219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1089219974Smav g_raid_destroy_disk(disk); 1090219974Smav } 1091219974Smav 1092219974Smav /* Write updated metadata to all disks. */ 1093219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 1094219974Smav 1095219974Smav /* Check if anything left except placeholders. */ 1096219974Smav if (g_raid_ndisks(sc, -1) == 1097219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1098219974Smav g_raid_destroy_node(sc, 0); 1099219974Smav else 1100219974Smav g_raid_md_sii_refill(sc); 1101219974Smav return (0); 1102219974Smav } 1103219974Smav return (-2); 1104219974Smav} 1105219974Smav 1106219974Smavstatic int 1107219974Smavg_raid_md_ctl_sii(struct g_raid_md_object *md, 1108219974Smav struct gctl_req *req) 1109219974Smav{ 1110219974Smav struct g_raid_softc *sc; 1111219974Smav struct g_raid_volume *vol; 1112219974Smav struct g_raid_subdisk *sd; 1113219974Smav struct g_raid_disk *disk; 1114219974Smav struct g_raid_md_sii_object *mdi; 1115219974Smav struct g_raid_md_sii_perdisk *pd; 1116219974Smav struct g_consumer *cp; 1117219974Smav struct g_provider *pp; 1118219974Smav char arg[16]; 1119219974Smav const char *verb, *volname, *levelname, *diskname; 1120219974Smav int *nargs, *force; 1121219974Smav off_t size, sectorsize, strip; 1122219974Smav intmax_t *sizearg, *striparg; 1123219974Smav int numdisks, i, len, level, qual, update; 1124219974Smav int error; 1125219974Smav 1126219974Smav sc = md->mdo_softc; 1127219974Smav mdi = (struct g_raid_md_sii_object *)md; 1128219974Smav verb = gctl_get_param(req, "verb", NULL); 1129219974Smav nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1130219974Smav error = 0; 1131219974Smav if (strcmp(verb, "label") == 0) { 1132219974Smav 1133219974Smav if (*nargs < 4) { 1134219974Smav gctl_error(req, "Invalid number of arguments."); 1135219974Smav return (-1); 1136219974Smav } 1137219974Smav volname = gctl_get_asciiparam(req, "arg1"); 1138219974Smav if (volname == NULL) { 1139219974Smav gctl_error(req, "No volume name."); 1140219974Smav return (-2); 1141219974Smav } 1142219974Smav levelname = gctl_get_asciiparam(req, "arg2"); 1143219974Smav if (levelname == NULL) { 1144219974Smav gctl_error(req, "No RAID level."); 1145219974Smav return (-3); 1146219974Smav } 1147234458Smav if (strcasecmp(levelname, "RAID5") == 0) 1148234727Smav levelname = "RAID5-LS"; 1149219974Smav if (g_raid_volume_str2level(levelname, &level, &qual)) { 1150219974Smav gctl_error(req, "Unknown RAID level '%s'.", levelname); 1151219974Smav return (-4); 1152219974Smav } 1153219974Smav numdisks = *nargs - 3; 1154219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1155219974Smav if (!g_raid_md_sii_supported(level, qual, numdisks, 1156219974Smav force ? *force : 0)) { 1157219974Smav gctl_error(req, "Unsupported RAID level " 1158219974Smav "(0x%02x/0x%02x), or number of disks (%d).", 1159219974Smav level, qual, numdisks); 1160219974Smav return (-5); 1161219974Smav } 1162219974Smav 1163219974Smav /* Search for disks, connect them and probe. */ 1164219974Smav size = 0x7fffffffffffffffllu; 1165219974Smav sectorsize = 0; 1166219974Smav for (i = 0; i < numdisks; i++) { 1167219974Smav snprintf(arg, sizeof(arg), "arg%d", i + 3); 1168219974Smav diskname = gctl_get_asciiparam(req, arg); 1169219974Smav if (diskname == NULL) { 1170219974Smav gctl_error(req, "No disk name (%s).", arg); 1171219974Smav error = -6; 1172219974Smav break; 1173219974Smav } 1174219974Smav if (strcmp(diskname, "NONE") == 0) { 1175219974Smav cp = NULL; 1176219974Smav pp = NULL; 1177219974Smav } else { 1178219974Smav g_topology_lock(); 1179219974Smav cp = g_raid_open_consumer(sc, diskname); 1180219974Smav if (cp == NULL) { 1181219974Smav gctl_error(req, "Can't open '%s'.", 1182219974Smav diskname); 1183219974Smav g_topology_unlock(); 1184219974Smav error = -7; 1185219974Smav break; 1186219974Smav } 1187219974Smav pp = cp->provider; 1188219974Smav } 1189219974Smav pd = malloc(sizeof(*pd), M_MD_SII, M_WAITOK | M_ZERO); 1190219974Smav pd->pd_disk_pos = i; 1191219974Smav disk = g_raid_create_disk(sc); 1192219974Smav disk->d_md_data = (void *)pd; 1193219974Smav disk->d_consumer = cp; 1194219974Smav if (cp == NULL) 1195219974Smav continue; 1196219974Smav cp->private = disk; 1197219974Smav g_topology_unlock(); 1198219974Smav 1199242323Smav g_raid_get_disk_info(disk); 1200219974Smav 1201219974Smav pd->pd_disk_size = pp->mediasize; 1202219974Smav if (size > pp->mediasize) 1203219974Smav size = pp->mediasize; 1204219974Smav if (sectorsize < pp->sectorsize) 1205219974Smav sectorsize = pp->sectorsize; 1206219974Smav } 1207219974Smav if (error != 0) 1208219974Smav return (error); 1209219974Smav 1210220210Smav if (sectorsize <= 0) { 1211220210Smav gctl_error(req, "Can't get sector size."); 1212220210Smav return (-8); 1213220210Smav } 1214220210Smav 1215219974Smav /* Reserve space for metadata. */ 1216219974Smav size -= 0x800 * sectorsize; 1217219974Smav 1218219974Smav /* Handle size argument. */ 1219219974Smav len = sizeof(*sizearg); 1220219974Smav sizearg = gctl_get_param(req, "size", &len); 1221219974Smav if (sizearg != NULL && len == sizeof(*sizearg) && 1222219974Smav *sizearg > 0) { 1223219974Smav if (*sizearg > size) { 1224219974Smav gctl_error(req, "Size too big %lld > %lld.", 1225219974Smav (long long)*sizearg, (long long)size); 1226219974Smav return (-9); 1227219974Smav } 1228219974Smav size = *sizearg; 1229219974Smav } 1230219974Smav 1231219974Smav /* Handle strip argument. */ 1232219974Smav strip = 131072; 1233219974Smav len = sizeof(*striparg); 1234219974Smav striparg = gctl_get_param(req, "strip", &len); 1235219974Smav if (striparg != NULL && len == sizeof(*striparg) && 1236219974Smav *striparg > 0) { 1237219974Smav if (*striparg < sectorsize) { 1238219974Smav gctl_error(req, "Strip size too small."); 1239219974Smav return (-10); 1240219974Smav } 1241219974Smav if (*striparg % sectorsize != 0) { 1242219974Smav gctl_error(req, "Incorrect strip size."); 1243219974Smav return (-11); 1244219974Smav } 1245219974Smav if (strip > 65535 * sectorsize) { 1246219974Smav gctl_error(req, "Strip size too big."); 1247219974Smav return (-12); 1248219974Smav } 1249219974Smav strip = *striparg; 1250219974Smav } 1251219974Smav 1252219974Smav /* Round size down to strip or sector. */ 1253219974Smav if (level == G_RAID_VOLUME_RL_RAID1) 1254219974Smav size -= (size % sectorsize); 1255219974Smav else if (level == G_RAID_VOLUME_RL_RAID1E && 1256219974Smav (numdisks & 1) != 0) 1257219974Smav size -= (size % (2 * strip)); 1258219974Smav else 1259219974Smav size -= (size % strip); 1260219974Smav if (size <= 0) { 1261219974Smav gctl_error(req, "Size too small."); 1262219974Smav return (-13); 1263219974Smav } 1264219974Smav if (size > 0xffffffffffffllu * sectorsize) { 1265219974Smav gctl_error(req, "Size too big."); 1266219974Smav return (-14); 1267219974Smav } 1268219974Smav 1269219974Smav /* We have all we need, create things: volume, ... */ 1270219974Smav mdi->mdio_total_disks = numdisks; 1271219974Smav mdi->mdio_started = 1; 1272219974Smav vol = g_raid_create_volume(sc, volname, -1); 1273219974Smav vol->v_md_data = (void *)(intptr_t)0; 1274219974Smav vol->v_raid_level = level; 1275234458Smav vol->v_raid_level_qualifier = qual; 1276219974Smav vol->v_strip_size = strip; 1277219974Smav vol->v_disks_count = numdisks; 1278219974Smav if (level == G_RAID_VOLUME_RL_RAID0 || 1279219974Smav level == G_RAID_VOLUME_RL_CONCAT || 1280219974Smav level == G_RAID_VOLUME_RL_SINGLE) 1281219974Smav vol->v_mediasize = size * numdisks; 1282219974Smav else if (level == G_RAID_VOLUME_RL_RAID1) 1283219974Smav vol->v_mediasize = size; 1284219974Smav else if (level == G_RAID_VOLUME_RL_RAID5) 1285219974Smav vol->v_mediasize = size * (numdisks - 1); 1286219974Smav else { /* RAID1E */ 1287219974Smav vol->v_mediasize = ((size * numdisks) / strip / 2) * 1288219974Smav strip; 1289219974Smav } 1290219974Smav vol->v_sectorsize = sectorsize; 1291219974Smav g_raid_start_volume(vol); 1292219974Smav 1293219974Smav /* , and subdisks. */ 1294219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1295219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 1296219974Smav sd = &vol->v_subdisks[pd->pd_disk_pos]; 1297219974Smav sd->sd_disk = disk; 1298219974Smav sd->sd_offset = 0; 1299219974Smav sd->sd_size = size; 1300219974Smav TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1301219974Smav if (sd->sd_disk->d_consumer != NULL) { 1302219974Smav g_raid_change_disk_state(disk, 1303219974Smav G_RAID_DISK_S_ACTIVE); 1304219974Smav g_raid_change_subdisk_state(sd, 1305219974Smav G_RAID_SUBDISK_S_ACTIVE); 1306219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1307219974Smav G_RAID_EVENT_SUBDISK); 1308219974Smav } else { 1309219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1310219974Smav } 1311219974Smav } 1312219974Smav 1313219974Smav /* Write metadata based on created entities. */ 1314219974Smav G_RAID_DEBUG1(0, sc, "Array started."); 1315219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 1316219974Smav 1317219974Smav /* Pickup any STALE/SPARE disks to refill array if needed. */ 1318219974Smav g_raid_md_sii_refill(sc); 1319219974Smav 1320219974Smav g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1321219974Smav G_RAID_EVENT_VOLUME); 1322219974Smav return (0); 1323219974Smav } 1324219974Smav if (strcmp(verb, "delete") == 0) { 1325219974Smav 1326219974Smav /* Check if some volume is still open. */ 1327219974Smav force = gctl_get_paraml(req, "force", sizeof(*force)); 1328219974Smav if (force != NULL && *force == 0 && 1329219974Smav g_raid_nopens(sc) != 0) { 1330219974Smav gctl_error(req, "Some volume is still open."); 1331219974Smav return (-4); 1332219974Smav } 1333219974Smav 1334219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1335219974Smav if (disk->d_consumer) 1336219974Smav sii_meta_erase(disk->d_consumer); 1337219974Smav } 1338219974Smav g_raid_destroy_node(sc, 0); 1339219974Smav return (0); 1340219974Smav } 1341219974Smav if (strcmp(verb, "remove") == 0 || 1342219974Smav strcmp(verb, "fail") == 0) { 1343219974Smav if (*nargs < 2) { 1344219974Smav gctl_error(req, "Invalid number of arguments."); 1345219974Smav return (-1); 1346219974Smav } 1347219974Smav for (i = 1; i < *nargs; i++) { 1348219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1349219974Smav diskname = gctl_get_asciiparam(req, arg); 1350219974Smav if (diskname == NULL) { 1351219974Smav gctl_error(req, "No disk name (%s).", arg); 1352219974Smav error = -2; 1353219974Smav break; 1354219974Smav } 1355219974Smav if (strncmp(diskname, "/dev/", 5) == 0) 1356219974Smav diskname += 5; 1357219974Smav 1358219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1359219974Smav if (disk->d_consumer != NULL && 1360219974Smav disk->d_consumer->provider != NULL && 1361219974Smav strcmp(disk->d_consumer->provider->name, 1362219974Smav diskname) == 0) 1363219974Smav break; 1364219974Smav } 1365219974Smav if (disk == NULL) { 1366219974Smav gctl_error(req, "Disk '%s' not found.", 1367219974Smav diskname); 1368219974Smav error = -3; 1369219974Smav break; 1370219974Smav } 1371219974Smav 1372219974Smav if (strcmp(verb, "fail") == 0) { 1373219974Smav g_raid_md_fail_disk_sii(md, NULL, disk); 1374219974Smav continue; 1375219974Smav } 1376219974Smav 1377219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 1378219974Smav 1379219974Smav /* Erase metadata on deleting disk. */ 1380219974Smav sii_meta_erase(disk->d_consumer); 1381219974Smav 1382219974Smav /* If disk was assigned, just update statuses. */ 1383219974Smav if (pd->pd_disk_pos >= 0) { 1384219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1385220209Smav g_raid_kill_consumer(sc, disk->d_consumer); 1386220209Smav disk->d_consumer = NULL; 1387219974Smav TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1388219974Smav g_raid_change_subdisk_state(sd, 1389219974Smav G_RAID_SUBDISK_S_NONE); 1390219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1391219974Smav G_RAID_EVENT_SUBDISK); 1392219974Smav } 1393219974Smav } else { 1394219974Smav /* Otherwise -- delete. */ 1395219974Smav g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1396219974Smav g_raid_destroy_disk(disk); 1397219974Smav } 1398219974Smav } 1399219974Smav 1400219974Smav /* Write updated metadata to remaining disks. */ 1401219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 1402219974Smav 1403219974Smav /* Check if anything left except placeholders. */ 1404219974Smav if (g_raid_ndisks(sc, -1) == 1405219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1406219974Smav g_raid_destroy_node(sc, 0); 1407219974Smav else 1408219974Smav g_raid_md_sii_refill(sc); 1409219974Smav return (error); 1410219974Smav } 1411219974Smav if (strcmp(verb, "insert") == 0) { 1412219974Smav if (*nargs < 2) { 1413219974Smav gctl_error(req, "Invalid number of arguments."); 1414219974Smav return (-1); 1415219974Smav } 1416219974Smav update = 0; 1417219974Smav for (i = 1; i < *nargs; i++) { 1418219974Smav /* Get disk name. */ 1419219974Smav snprintf(arg, sizeof(arg), "arg%d", i); 1420219974Smav diskname = gctl_get_asciiparam(req, arg); 1421219974Smav if (diskname == NULL) { 1422219974Smav gctl_error(req, "No disk name (%s).", arg); 1423219974Smav error = -3; 1424219974Smav break; 1425219974Smav } 1426219974Smav 1427219974Smav /* Try to find provider with specified name. */ 1428219974Smav g_topology_lock(); 1429219974Smav cp = g_raid_open_consumer(sc, diskname); 1430219974Smav if (cp == NULL) { 1431219974Smav gctl_error(req, "Can't open disk '%s'.", 1432219974Smav diskname); 1433219974Smav g_topology_unlock(); 1434219974Smav error = -4; 1435219974Smav break; 1436219974Smav } 1437219974Smav pp = cp->provider; 1438219974Smav 1439219974Smav pd = malloc(sizeof(*pd), M_MD_SII, M_WAITOK | M_ZERO); 1440219974Smav pd->pd_disk_pos = -3; 1441219974Smav pd->pd_disk_size = pp->mediasize; 1442219974Smav 1443219974Smav disk = g_raid_create_disk(sc); 1444219974Smav disk->d_consumer = cp; 1445219974Smav disk->d_md_data = (void *)pd; 1446219974Smav cp->private = disk; 1447219974Smav g_topology_unlock(); 1448219974Smav 1449242323Smav g_raid_get_disk_info(disk); 1450219974Smav 1451219974Smav /* Welcome the "new" disk. */ 1452219974Smav update += g_raid_md_sii_start_disk(disk); 1453219974Smav if (disk->d_state == G_RAID_DISK_S_SPARE) { 1454219974Smav sii_meta_write_spare(cp); 1455219974Smav g_raid_destroy_disk(disk); 1456219974Smav } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 1457219974Smav gctl_error(req, "Disk '%s' doesn't fit.", 1458219974Smav diskname); 1459219974Smav g_raid_destroy_disk(disk); 1460219974Smav error = -8; 1461219974Smav break; 1462219974Smav } 1463219974Smav } 1464219974Smav 1465219974Smav /* Write new metadata if we changed something. */ 1466219974Smav if (update) 1467219974Smav g_raid_md_write_sii(md, NULL, NULL, NULL); 1468219974Smav return (error); 1469219974Smav } 1470219974Smav gctl_error(req, "Command '%s' is not supported.", verb); 1471219974Smav return (-100); 1472219974Smav} 1473219974Smav 1474219974Smavstatic int 1475219974Smavg_raid_md_write_sii(struct g_raid_md_object *md, struct g_raid_volume *tvol, 1476219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1477219974Smav{ 1478219974Smav struct g_raid_softc *sc; 1479219974Smav struct g_raid_volume *vol; 1480219974Smav struct g_raid_subdisk *sd; 1481219974Smav struct g_raid_disk *disk; 1482219974Smav struct g_raid_md_sii_object *mdi; 1483219974Smav struct g_raid_md_sii_perdisk *pd; 1484219974Smav struct sii_raid_conf *meta; 1485299397Spfg u_int i; 1486219974Smav 1487219974Smav sc = md->mdo_softc; 1488219974Smav mdi = (struct g_raid_md_sii_object *)md; 1489219974Smav 1490219974Smav if (sc->sc_stopping == G_RAID_DESTROY_HARD) 1491219974Smav return (0); 1492219974Smav 1493219974Smav /* Bump generation. Newly written metadata may differ from previous. */ 1494219974Smav mdi->mdio_generation++; 1495219974Smav 1496219974Smav /* There is only one volume. */ 1497219974Smav vol = TAILQ_FIRST(&sc->sc_volumes); 1498219974Smav 1499219974Smav /* Fill global fields. */ 1500219974Smav meta = malloc(sizeof(*meta), M_MD_SII, M_WAITOK | M_ZERO); 1501219974Smav if (mdi->mdio_meta) 1502219974Smav memcpy(meta, mdi->mdio_meta, sizeof(*meta)); 1503219974Smav meta->total_sectors = vol->v_mediasize / vol->v_sectorsize; 1504219974Smav meta->vendor_id = 0x1095; 1505219974Smav meta->version_minor = 0; 1506219974Smav meta->version_major = 2; 1507219974Smav memcpy(&meta->timestamp, &mdi->mdio_timestamp, 6); 1508219974Smav meta->strip_sectors = vol->v_strip_size / vol->v_sectorsize; 1509219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) { 1510219974Smav meta->type = SII_T_RAID0; 1511219974Smav meta->raid0_disks = vol->v_disks_count; 1512219974Smav meta->raid1_disks = 0xff; 1513219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) { 1514219974Smav meta->type = SII_T_RAID1; 1515219974Smav meta->raid0_disks = 0xff; 1516219974Smav meta->raid1_disks = vol->v_disks_count; 1517219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 1518219974Smav meta->type = SII_T_RAID01; 1519219974Smav meta->raid0_disks = vol->v_disks_count / 2; 1520219974Smav meta->raid1_disks = 2; 1521219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_CONCAT || 1522219974Smav vol->v_raid_level == G_RAID_VOLUME_RL_SINGLE) { 1523219974Smav meta->type = SII_T_JBOD; 1524219974Smav meta->raid0_disks = vol->v_disks_count; 1525219974Smav meta->raid1_disks = 0xff; 1526219974Smav } else { 1527219974Smav meta->type = SII_T_RAID5; 1528219974Smav meta->raid0_disks = vol->v_disks_count; 1529219974Smav meta->raid1_disks = 0xff; 1530219974Smav } 1531219974Smav meta->generation = mdi->mdio_generation; 1532219974Smav meta->raid_status = vol->v_dirty ? SII_S_ONLINE : SII_S_AVAILABLE; 1533219974Smav for (i = 0; i < vol->v_disks_count; i++) { 1534219974Smav sd = &vol->v_subdisks[i]; 1535219974Smav if (sd->sd_state == G_RAID_SUBDISK_S_STALE || 1536219974Smav sd->sd_state == G_RAID_SUBDISK_S_RESYNC) 1537219974Smav meta->raid_status = SII_S_ONLINE; 1538219974Smav } 1539219974Smav meta->raid_location = mdi->mdio_location; 1540219974Smav sii_meta_put_name(meta, vol->v_name); 1541219974Smav 1542219974Smav /* We are done. Print meta data and store them to disks. */ 1543219974Smav if (mdi->mdio_meta != NULL) 1544219974Smav free(mdi->mdio_meta, M_MD_SII); 1545219974Smav mdi->mdio_meta = meta; 1546219974Smav TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1547219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 1548219974Smav if (disk->d_state != G_RAID_DISK_S_ACTIVE) 1549219974Smav continue; 1550219974Smav if (pd->pd_meta != NULL) { 1551219974Smav free(pd->pd_meta, M_MD_SII); 1552219974Smav pd->pd_meta = NULL; 1553219974Smav } 1554219974Smav pd->pd_meta = sii_meta_copy(meta); 1555219974Smav if ((sd = TAILQ_FIRST(&disk->d_subdisks)) != NULL) { 1556219974Smav if (sd->sd_state < G_RAID_SUBDISK_S_NEW) 1557219974Smav pd->pd_meta->disk_status = SII_S_DROPPED; 1558219974Smav else if (sd->sd_state < G_RAID_SUBDISK_S_STALE) { 1559219974Smav pd->pd_meta->disk_status = SII_S_REBUILD; 1560219974Smav pd->pd_meta->rebuild_lba = 1561219974Smav sd->sd_rebuild_pos / vol->v_sectorsize; 1562219974Smav } else 1563219974Smav pd->pd_meta->disk_status = SII_S_CURRENT; 1564219974Smav if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) { 1565219974Smav pd->pd_meta->disk_number = sd->sd_pos; 1566219974Smav pd->pd_meta->raid0_ident = 0xff; 1567219974Smav pd->pd_meta->raid1_ident = 0; 1568219974Smav } else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) { 1569219974Smav pd->pd_meta->disk_number = sd->sd_pos / meta->raid1_disks; 1570219974Smav pd->pd_meta->raid0_ident = sd->sd_pos % meta->raid1_disks; 1571219974Smav pd->pd_meta->raid1_ident = sd->sd_pos / meta->raid1_disks; 1572219974Smav } else { 1573219974Smav pd->pd_meta->disk_number = sd->sd_pos; 1574219974Smav pd->pd_meta->raid0_ident = 0; 1575219974Smav pd->pd_meta->raid1_ident = 0xff; 1576219974Smav } 1577219974Smav } 1578219974Smav G_RAID_DEBUG(1, "Writing SiI metadata to %s", 1579219974Smav g_raid_get_diskname(disk)); 1580219974Smav g_raid_md_sii_print(pd->pd_meta); 1581219974Smav sii_meta_write(disk->d_consumer, pd->pd_meta); 1582219974Smav } 1583219974Smav return (0); 1584219974Smav} 1585219974Smav 1586219974Smavstatic int 1587219974Smavg_raid_md_fail_disk_sii(struct g_raid_md_object *md, 1588219974Smav struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 1589219974Smav{ 1590219974Smav struct g_raid_softc *sc; 1591219974Smav struct g_raid_md_sii_perdisk *pd; 1592219974Smav struct g_raid_subdisk *sd; 1593219974Smav 1594219974Smav sc = md->mdo_softc; 1595219974Smav pd = (struct g_raid_md_sii_perdisk *)tdisk->d_md_data; 1596219974Smav 1597219974Smav /* We can't fail disk that is not a part of array now. */ 1598219974Smav if (pd->pd_disk_pos < 0) 1599219974Smav return (-1); 1600219974Smav 1601219974Smav /* 1602219974Smav * Mark disk as failed in metadata and try to write that metadata 1603219974Smav * to the disk itself to prevent it's later resurrection as STALE. 1604219974Smav */ 1605219974Smav if (tdisk->d_consumer) { 1606219974Smav if (pd->pd_meta) { 1607219974Smav pd->pd_meta->disk_status = SII_S_REMOVED; 1608219974Smav sii_meta_write(tdisk->d_consumer, pd->pd_meta); 1609219974Smav } else 1610219974Smav sii_meta_erase(tdisk->d_consumer); 1611219974Smav } 1612219974Smav 1613219974Smav /* Change states. */ 1614219974Smav g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 1615219974Smav TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 1616219974Smav g_raid_change_subdisk_state(sd, 1617219974Smav G_RAID_SUBDISK_S_FAILED); 1618219974Smav g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 1619219974Smav G_RAID_EVENT_SUBDISK); 1620219974Smav } 1621219974Smav 1622219974Smav /* Write updated metadata to remaining disks. */ 1623219974Smav g_raid_md_write_sii(md, NULL, NULL, tdisk); 1624219974Smav 1625219974Smav /* Check if anything left except placeholders. */ 1626219974Smav if (g_raid_ndisks(sc, -1) == 1627219974Smav g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1628219974Smav g_raid_destroy_node(sc, 0); 1629219974Smav else 1630219974Smav g_raid_md_sii_refill(sc); 1631219974Smav return (0); 1632219974Smav} 1633219974Smav 1634219974Smavstatic int 1635219974Smavg_raid_md_free_disk_sii(struct g_raid_md_object *md, 1636219974Smav struct g_raid_disk *disk) 1637219974Smav{ 1638219974Smav struct g_raid_md_sii_perdisk *pd; 1639219974Smav 1640219974Smav pd = (struct g_raid_md_sii_perdisk *)disk->d_md_data; 1641219974Smav if (pd->pd_meta != NULL) { 1642219974Smav free(pd->pd_meta, M_MD_SII); 1643219974Smav pd->pd_meta = NULL; 1644219974Smav } 1645219974Smav free(pd, M_MD_SII); 1646219974Smav disk->d_md_data = NULL; 1647219974Smav return (0); 1648219974Smav} 1649219974Smav 1650219974Smavstatic int 1651219974Smavg_raid_md_free_sii(struct g_raid_md_object *md) 1652219974Smav{ 1653219974Smav struct g_raid_md_sii_object *mdi; 1654219974Smav 1655219974Smav mdi = (struct g_raid_md_sii_object *)md; 1656219974Smav if (!mdi->mdio_started) { 1657219974Smav mdi->mdio_started = 0; 1658219974Smav callout_stop(&mdi->mdio_start_co); 1659219974Smav G_RAID_DEBUG1(1, md->mdo_softc, 1660219974Smav "root_mount_rel %p", mdi->mdio_rootmount); 1661219974Smav root_mount_rel(mdi->mdio_rootmount); 1662219974Smav mdi->mdio_rootmount = NULL; 1663219974Smav } 1664219974Smav if (mdi->mdio_meta != NULL) { 1665219974Smav free(mdi->mdio_meta, M_MD_SII); 1666219974Smav mdi->mdio_meta = NULL; 1667219974Smav } 1668219974Smav return (0); 1669219974Smav} 1670219974Smav 1671240465SmavG_RAID_MD_DECLARE(sii, "SiI"); 1672