1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2010 Alexander Motin <mav@FreeBSD.org> 5 * Copyright (c) 2000 - 2008 Søren Schmidt <sos@FreeBSD.org> 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #include <sys/param.h> 31 #include <sys/bio.h> 32 #include <sys/endian.h> 33 #include <sys/kernel.h> 34 #include <sys/kobj.h> 35 #include <sys/limits.h> 36 #include <sys/lock.h> 37 #include <sys/malloc.h> 38 #include <sys/mutex.h> 39 #include <sys/systm.h> 40 #include <sys/taskqueue.h> 41 #include <sys/disk.h> 42 #include <geom/geom.h> 43 #include <geom/geom_dbg.h> 44 #include "geom/raid/g_raid.h" 45 #include "g_raid_md_if.h" 46 47 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata"); 48 49 struct intel_raid_map { 50 uint32_t offset; 51 uint32_t disk_sectors; 52 uint32_t stripe_count; 53 uint16_t strip_sectors; 54 uint8_t status; 55 #define INTEL_S_READY 0x00 56 #define INTEL_S_UNINITIALIZED 0x01 57 #define INTEL_S_DEGRADED 0x02 58 #define INTEL_S_FAILURE 0x03 59 60 uint8_t type; 61 #define INTEL_T_RAID0 0x00 62 #define INTEL_T_RAID1 0x01 63 #define INTEL_T_RAID5 0x05 64 65 uint8_t total_disks; 66 uint8_t total_domains; 67 uint8_t failed_disk_num; 68 uint8_t ddf; 69 uint32_t offset_hi; 70 uint32_t disk_sectors_hi; 71 uint32_t stripe_count_hi; 72 uint32_t filler_2[4]; 73 uint32_t disk_idx[1]; /* total_disks entries. */ 74 #define INTEL_DI_IDX 0x00ffffff 75 #define INTEL_DI_RBLD 0x01000000 76 } __packed; 77 78 struct intel_raid_vol { 79 uint8_t name[16]; 80 uint64_t total_sectors __packed; 81 uint32_t state; 82 #define INTEL_ST_BOOTABLE 0x00000001 83 #define INTEL_ST_BOOT_DEVICE 0x00000002 84 #define INTEL_ST_READ_COALESCING 0x00000004 85 #define INTEL_ST_WRITE_COALESCING 0x00000008 86 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010 87 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020 88 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040 89 #define INTEL_ST_VERIFY_AND_FIX 0x00000080 90 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100 91 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200 92 #define INTEL_ST_CLONE_N_GO 0x00000400 93 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800 94 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000 95 uint32_t reserved; 96 uint8_t migr_priority; 97 uint8_t num_sub_vols; 98 uint8_t tid; 99 uint8_t cng_master_disk; 100 uint16_t cache_policy; 101 uint8_t cng_state; 102 #define INTEL_CNGST_UPDATED 0 103 #define INTEL_CNGST_NEEDS_UPDATE 1 104 #define INTEL_CNGST_MASTER_MISSING 2 105 uint8_t cng_sub_state; 106 uint32_t filler_0[10]; 107 108 uint32_t curr_migr_unit; 109 uint32_t checkpoint_id; 110 uint8_t migr_state; 111 uint8_t migr_type; 112 #define INTEL_MT_INIT 0 113 #define INTEL_MT_REBUILD 1 114 #define INTEL_MT_VERIFY 2 115 #define INTEL_MT_GEN_MIGR 3 116 #define INTEL_MT_STATE_CHANGE 4 117 #define INTEL_MT_REPAIR 5 118 uint8_t dirty; 119 uint8_t fs_state; 120 uint16_t verify_errors; 121 uint16_t bad_blocks; 122 uint32_t curr_migr_unit_hi; 123 uint32_t filler_1[3]; 124 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */ 125 } __packed; 126 127 struct intel_raid_disk { 128 #define INTEL_SERIAL_LEN 16 129 uint8_t serial[INTEL_SERIAL_LEN]; 130 uint32_t sectors; 131 uint32_t id; 132 uint32_t flags; 133 #define INTEL_F_SPARE 0x01 134 #define INTEL_F_ASSIGNED 0x02 135 #define INTEL_F_FAILED 0x04 136 #define INTEL_F_ONLINE 0x08 137 #define INTEL_F_DISABLED 0x80 138 uint32_t owner_cfg_num; 139 uint32_t sectors_hi; 140 uint32_t filler[3]; 141 } __packed; 142 143 struct intel_raid_conf { 144 uint8_t intel_id[24]; 145 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. " 146 147 uint8_t version[6]; 148 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */ 149 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */ 150 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */ 151 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */ 152 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */ 153 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */ 154 #define INTEL_VERSION_1206 "1.2.06" /* CNG */ 155 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */ 156 157 uint8_t dummy_0[2]; 158 uint32_t checksum; 159 uint32_t config_size; 160 uint32_t config_id; 161 uint32_t generation; 162 uint32_t error_log_size; 163 uint32_t attributes; 164 #define INTEL_ATTR_RAID0 0x00000001 165 #define INTEL_ATTR_RAID1 0x00000002 166 #define INTEL_ATTR_RAID10 0x00000004 167 #define INTEL_ATTR_RAID1E 0x00000008 168 #define INTEL_ATTR_RAID5 0x00000010 169 #define INTEL_ATTR_RAIDCNG 0x00000020 170 #define INTEL_ATTR_EXT_STRIP 0x00000040 171 #define INTEL_ATTR_NVM_CACHE 0x02000000 172 #define INTEL_ATTR_2TB_DISK 0x04000000 173 #define INTEL_ATTR_BBM 0x08000000 174 #define INTEL_ATTR_NVM_CACHE2 0x10000000 175 #define INTEL_ATTR_2TB 0x20000000 176 #define INTEL_ATTR_PM 0x40000000 177 #define INTEL_ATTR_CHECKSUM 0x80000000 178 179 uint8_t total_disks; 180 uint8_t total_volumes; 181 uint8_t error_log_pos; 182 uint8_t dummy_2[1]; 183 uint32_t cache_size; 184 uint32_t orig_config_id; 185 uint32_t pwr_cycle_count; 186 uint32_t bbm_log_size; 187 uint32_t filler_0[35]; 188 struct intel_raid_disk disk[1]; /* total_disks entries. */ 189 /* Here goes total_volumes of struct intel_raid_vol. */ 190 } __packed; 191 192 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \ 193 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \ 194 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \ 195 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM ) 196 197 #define INTEL_MAX_MD_SIZE(ndisks) \ 198 (sizeof(struct intel_raid_conf) + \ 199 sizeof(struct intel_raid_disk) * (ndisks - 1) + \ 200 sizeof(struct intel_raid_vol) * 2 + \ 201 sizeof(struct intel_raid_map) * 2 + \ 202 sizeof(uint32_t) * (ndisks - 1) * 4) 203 204 struct g_raid_md_intel_perdisk { 205 struct intel_raid_conf *pd_meta; 206 int pd_disk_pos; 207 struct intel_raid_disk pd_disk_meta; 208 }; 209 210 struct g_raid_md_intel_pervolume { 211 int pv_volume_pos; 212 int pv_cng; 213 int pv_cng_man_sync; 214 int pv_cng_master_disk; 215 }; 216 217 struct g_raid_md_intel_object { 218 struct g_raid_md_object mdio_base; 219 uint32_t mdio_config_id; 220 uint32_t mdio_orig_config_id; 221 uint32_t mdio_generation; 222 struct intel_raid_conf *mdio_meta; 223 struct callout mdio_start_co; /* STARTING state timer. */ 224 int mdio_disks_present; 225 int mdio_started; 226 int mdio_incomplete; 227 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */ 228 }; 229 230 static g_raid_md_create_t g_raid_md_create_intel; 231 static g_raid_md_taste_t g_raid_md_taste_intel; 232 static g_raid_md_event_t g_raid_md_event_intel; 233 static g_raid_md_ctl_t g_raid_md_ctl_intel; 234 static g_raid_md_write_t g_raid_md_write_intel; 235 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel; 236 static g_raid_md_free_disk_t g_raid_md_free_disk_intel; 237 static g_raid_md_free_volume_t g_raid_md_free_volume_intel; 238 static g_raid_md_free_t g_raid_md_free_intel; 239 240 static kobj_method_t g_raid_md_intel_methods[] = { 241 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel), 242 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel), 243 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel), 244 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel), 245 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel), 246 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel), 247 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel), 248 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel), 249 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel), 250 { 0, 0 } 251 }; 252 253 static struct g_raid_md_class g_raid_md_intel_class = { 254 "Intel", 255 g_raid_md_intel_methods, 256 sizeof(struct g_raid_md_intel_object), 257 .mdc_enable = 1, 258 .mdc_priority = 100 259 }; 260 261 static struct intel_raid_map * 262 intel_get_map(struct intel_raid_vol *mvol, int i) 263 { 264 struct intel_raid_map *mmap; 265 266 if (i > (mvol->migr_state ? 1 : 0)) 267 return (NULL); 268 mmap = &mvol->map[0]; 269 for (; i > 0; i--) { 270 mmap = (struct intel_raid_map *) 271 &mmap->disk_idx[mmap->total_disks]; 272 } 273 return ((struct intel_raid_map *)mmap); 274 } 275 276 static struct intel_raid_vol * 277 intel_get_volume(struct intel_raid_conf *meta, int i) 278 { 279 struct intel_raid_vol *mvol; 280 struct intel_raid_map *mmap; 281 282 if (i > 1) 283 return (NULL); 284 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks]; 285 for (; i > 0; i--) { 286 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0); 287 mvol = (struct intel_raid_vol *) 288 &mmap->disk_idx[mmap->total_disks]; 289 } 290 return (mvol); 291 } 292 293 static off_t 294 intel_get_map_offset(struct intel_raid_map *mmap) 295 { 296 off_t offset = (off_t)mmap->offset_hi << 32; 297 298 offset += mmap->offset; 299 return (offset); 300 } 301 302 static void 303 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset) 304 { 305 306 mmap->offset = offset & 0xffffffff; 307 mmap->offset_hi = offset >> 32; 308 } 309 310 static off_t 311 intel_get_map_disk_sectors(struct intel_raid_map *mmap) 312 { 313 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32; 314 315 disk_sectors += mmap->disk_sectors; 316 return (disk_sectors); 317 } 318 319 static void 320 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors) 321 { 322 323 mmap->disk_sectors = disk_sectors & 0xffffffff; 324 mmap->disk_sectors_hi = disk_sectors >> 32; 325 } 326 327 static void 328 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count) 329 { 330 331 mmap->stripe_count = stripe_count & 0xffffffff; 332 mmap->stripe_count_hi = stripe_count >> 32; 333 } 334 335 static off_t 336 intel_get_disk_sectors(struct intel_raid_disk *disk) 337 { 338 off_t sectors = (off_t)disk->sectors_hi << 32; 339 340 sectors += disk->sectors; 341 return (sectors); 342 } 343 344 static void 345 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors) 346 { 347 348 disk->sectors = sectors & 0xffffffff; 349 disk->sectors_hi = sectors >> 32; 350 } 351 352 static off_t 353 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol) 354 { 355 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32; 356 357 curr_migr_unit += vol->curr_migr_unit; 358 return (curr_migr_unit); 359 } 360 361 static void 362 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit) 363 { 364 365 vol->curr_migr_unit = curr_migr_unit & 0xffffffff; 366 vol->curr_migr_unit_hi = curr_migr_unit >> 32; 367 } 368 369 static char * 370 intel_status2str(int status) 371 { 372 373 switch (status) { 374 case INTEL_S_READY: 375 return ("READY"); 376 case INTEL_S_UNINITIALIZED: 377 return ("UNINITIALIZED"); 378 case INTEL_S_DEGRADED: 379 return ("DEGRADED"); 380 case INTEL_S_FAILURE: 381 return ("FAILURE"); 382 default: 383 return ("UNKNOWN"); 384 } 385 } 386 387 static char * 388 intel_type2str(int type) 389 { 390 391 switch (type) { 392 case INTEL_T_RAID0: 393 return ("RAID0"); 394 case INTEL_T_RAID1: 395 return ("RAID1"); 396 case INTEL_T_RAID5: 397 return ("RAID5"); 398 default: 399 return ("UNKNOWN"); 400 } 401 } 402 403 static char * 404 intel_cngst2str(int cng_state) 405 { 406 407 switch (cng_state) { 408 case INTEL_CNGST_UPDATED: 409 return ("UPDATED"); 410 case INTEL_CNGST_NEEDS_UPDATE: 411 return ("NEEDS_UPDATE"); 412 case INTEL_CNGST_MASTER_MISSING: 413 return ("MASTER_MISSING"); 414 default: 415 return ("UNKNOWN"); 416 } 417 } 418 419 static char * 420 intel_mt2str(int type) 421 { 422 423 switch (type) { 424 case INTEL_MT_INIT: 425 return ("INIT"); 426 case INTEL_MT_REBUILD: 427 return ("REBUILD"); 428 case INTEL_MT_VERIFY: 429 return ("VERIFY"); 430 case INTEL_MT_GEN_MIGR: 431 return ("GEN_MIGR"); 432 case INTEL_MT_STATE_CHANGE: 433 return ("STATE_CHANGE"); 434 case INTEL_MT_REPAIR: 435 return ("REPAIR"); 436 default: 437 return ("UNKNOWN"); 438 } 439 } 440 441 static void 442 g_raid_md_intel_print(struct intel_raid_conf *meta) 443 { 444 struct intel_raid_vol *mvol; 445 struct intel_raid_map *mmap; 446 int i, j, k; 447 448 if (g_raid_debug < 1) 449 return; 450 451 printf("********* ATA Intel MatrixRAID Metadata *********\n"); 452 printf("intel_id <%.24s>\n", meta->intel_id); 453 printf("version <%.6s>\n", meta->version); 454 printf("checksum 0x%08x\n", meta->checksum); 455 printf("config_size 0x%08x\n", meta->config_size); 456 printf("config_id 0x%08x\n", meta->config_id); 457 printf("generation 0x%08x\n", meta->generation); 458 printf("error_log_size %d\n", meta->error_log_size); 459 printf("attributes 0x%b\n", meta->attributes, 460 "\020" 461 "\001RAID0" 462 "\002RAID1" 463 "\003RAID10" 464 "\004RAID1E" 465 "\005RAID15" 466 "\006RAIDCNG" 467 "\007EXT_STRIP" 468 "\032NVM_CACHE" 469 "\0332TB_DISK" 470 "\034BBM" 471 "\035NVM_CACHE" 472 "\0362TB" 473 "\037PM" 474 "\040CHECKSUM"); 475 printf("total_disks %u\n", meta->total_disks); 476 printf("total_volumes %u\n", meta->total_volumes); 477 printf("error_log_pos %u\n", meta->error_log_pos); 478 printf("cache_size %u\n", meta->cache_size); 479 printf("orig_config_id 0x%08x\n", meta->orig_config_id); 480 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count); 481 printf("bbm_log_size %u\n", meta->bbm_log_size); 482 printf("Flags: S - Spare, A - Assigned, F - Failed, O - Online, D - Disabled\n"); 483 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n"); 484 for (i = 0; i < meta->total_disks; i++ ) { 485 printf(" %d <%.16s> %u %u 0x%08x 0x%b %08x\n", i, 486 meta->disk[i].serial, meta->disk[i].sectors, 487 meta->disk[i].sectors_hi, meta->disk[i].id, 488 meta->disk[i].flags, "\20\01S\02A\03F\04O\05D", 489 meta->disk[i].owner_cfg_num); 490 } 491 for (i = 0; i < meta->total_volumes; i++) { 492 mvol = intel_get_volume(meta, i); 493 printf(" ****** Volume %d ******\n", i); 494 printf(" name %.16s\n", mvol->name); 495 printf(" total_sectors %ju\n", mvol->total_sectors); 496 printf(" state 0x%b\n", mvol->state, 497 "\020" 498 "\001BOOTABLE" 499 "\002BOOT_DEVICE" 500 "\003READ_COALESCING" 501 "\004WRITE_COALESCING" 502 "\005LAST_SHUTDOWN_DIRTY" 503 "\006HIDDEN_AT_BOOT" 504 "\007CURRENTLY_HIDDEN" 505 "\010VERIFY_AND_FIX" 506 "\011MAP_STATE_UNINIT" 507 "\012NO_AUTO_RECOVERY" 508 "\013CLONE_N_GO" 509 "\014CLONE_MAN_SYNC" 510 "\015CNG_MASTER_DISK_NUM"); 511 printf(" reserved %u\n", mvol->reserved); 512 printf(" migr_priority %u\n", mvol->migr_priority); 513 printf(" num_sub_vols %u\n", mvol->num_sub_vols); 514 printf(" tid %u\n", mvol->tid); 515 printf(" cng_master_disk %u\n", mvol->cng_master_disk); 516 printf(" cache_policy %u\n", mvol->cache_policy); 517 printf(" cng_state %u (%s)\n", mvol->cng_state, 518 intel_cngst2str(mvol->cng_state)); 519 printf(" cng_sub_state %u\n", mvol->cng_sub_state); 520 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit); 521 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi); 522 printf(" checkpoint_id %u\n", mvol->checkpoint_id); 523 printf(" migr_state %u\n", mvol->migr_state); 524 printf(" migr_type %u (%s)\n", mvol->migr_type, 525 intel_mt2str(mvol->migr_type)); 526 printf(" dirty %u\n", mvol->dirty); 527 printf(" fs_state %u\n", mvol->fs_state); 528 printf(" verify_errors %u\n", mvol->verify_errors); 529 printf(" bad_blocks %u\n", mvol->bad_blocks); 530 531 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 532 printf(" *** Map %d ***\n", j); 533 mmap = intel_get_map(mvol, j); 534 printf(" offset %u\n", mmap->offset); 535 printf(" offset_hi %u\n", mmap->offset_hi); 536 printf(" disk_sectors %u\n", mmap->disk_sectors); 537 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi); 538 printf(" stripe_count %u\n", mmap->stripe_count); 539 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi); 540 printf(" strip_sectors %u\n", mmap->strip_sectors); 541 printf(" status %u (%s)\n", mmap->status, 542 intel_status2str(mmap->status)); 543 printf(" type %u (%s)\n", mmap->type, 544 intel_type2str(mmap->type)); 545 printf(" total_disks %u\n", mmap->total_disks); 546 printf(" total_domains %u\n", mmap->total_domains); 547 printf(" failed_disk_num %u\n", mmap->failed_disk_num); 548 printf(" ddf %u\n", mmap->ddf); 549 printf(" disk_idx "); 550 for (k = 0; k < mmap->total_disks; k++) 551 printf(" 0x%08x", mmap->disk_idx[k]); 552 printf("\n"); 553 } 554 } 555 printf("=================================================\n"); 556 } 557 558 static struct intel_raid_conf * 559 intel_meta_copy(struct intel_raid_conf *meta) 560 { 561 struct intel_raid_conf *nmeta; 562 563 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK); 564 memcpy(nmeta, meta, meta->config_size); 565 return (nmeta); 566 } 567 568 static int 569 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial) 570 { 571 int pos; 572 573 for (pos = 0; pos < meta->total_disks; pos++) { 574 if (strncmp(meta->disk[pos].serial, 575 serial, INTEL_SERIAL_LEN) == 0) 576 return (pos); 577 } 578 return (-1); 579 } 580 581 static struct intel_raid_conf * 582 intel_meta_read(struct g_consumer *cp) 583 { 584 struct g_provider *pp; 585 struct intel_raid_conf *meta; 586 struct intel_raid_vol *mvol; 587 struct intel_raid_map *mmap, *mmap1; 588 char *buf; 589 int error, i, j, k, left, size; 590 uint32_t checksum, *ptr; 591 592 pp = cp->provider; 593 if (pp->sectorsize < sizeof(*meta)) 594 return (NULL); 595 /* Read the anchor sector. */ 596 buf = g_read_data(cp, 597 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error); 598 if (buf == NULL) { 599 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 600 pp->name, error); 601 return (NULL); 602 } 603 meta = (struct intel_raid_conf *)buf; 604 605 /* Check if this is an Intel RAID struct */ 606 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 607 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name); 608 g_free(buf); 609 return (NULL); 610 } 611 if (meta->config_size > 65536 || 612 meta->config_size < sizeof(struct intel_raid_conf)) { 613 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d", 614 meta->config_size); 615 g_free(buf); 616 return (NULL); 617 } 618 size = meta->config_size; 619 meta = malloc(size, M_MD_INTEL, M_WAITOK); 620 memcpy(meta, buf, min(size, pp->sectorsize)); 621 g_free(buf); 622 623 /* Read all the rest, if needed. */ 624 if (meta->config_size > pp->sectorsize) { 625 left = (meta->config_size - 1) / pp->sectorsize; 626 buf = g_read_data(cp, 627 pp->mediasize - pp->sectorsize * (2 + left), 628 pp->sectorsize * left, &error); 629 if (buf == NULL) { 630 G_RAID_DEBUG(1, "Cannot read remaining metadata" 631 " part from %s (error=%d).", 632 pp->name, error); 633 free(meta, M_MD_INTEL); 634 return (NULL); 635 } 636 memcpy(((char *)meta) + pp->sectorsize, buf, 637 pp->sectorsize * left); 638 g_free(buf); 639 } 640 641 /* Check metadata checksum. */ 642 for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 643 i < (meta->config_size / sizeof(uint32_t)); i++) { 644 checksum += *ptr++; 645 } 646 checksum -= meta->checksum; 647 if (checksum != meta->checksum) { 648 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name); 649 free(meta, M_MD_INTEL); 650 return (NULL); 651 } 652 653 /* Validate metadata size. */ 654 size = sizeof(struct intel_raid_conf) + 655 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) + 656 sizeof(struct intel_raid_vol) * meta->total_volumes; 657 if (size > meta->config_size) { 658 badsize: 659 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d", 660 meta->config_size, size); 661 free(meta, M_MD_INTEL); 662 return (NULL); 663 } 664 for (i = 0; i < meta->total_volumes; i++) { 665 mvol = intel_get_volume(meta, i); 666 mmap = intel_get_map(mvol, 0); 667 size += 4 * (mmap->total_disks - 1); 668 if (size > meta->config_size) 669 goto badsize; 670 if (mvol->migr_state) { 671 size += sizeof(struct intel_raid_map); 672 if (size > meta->config_size) 673 goto badsize; 674 mmap = intel_get_map(mvol, 1); 675 size += 4 * (mmap->total_disks - 1); 676 if (size > meta->config_size) 677 goto badsize; 678 } 679 } 680 681 g_raid_md_intel_print(meta); 682 683 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) { 684 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'", 685 meta->version); 686 free(meta, M_MD_INTEL); 687 return (NULL); 688 } 689 690 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 && 691 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) { 692 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x", 693 meta->attributes & ~INTEL_ATTR_SUPPORTED); 694 free(meta, M_MD_INTEL); 695 return (NULL); 696 } 697 698 /* Validate disk indexes. */ 699 for (i = 0; i < meta->total_volumes; i++) { 700 mvol = intel_get_volume(meta, i); 701 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 702 mmap = intel_get_map(mvol, j); 703 for (k = 0; k < mmap->total_disks; k++) { 704 if ((mmap->disk_idx[k] & INTEL_DI_IDX) > 705 meta->total_disks) { 706 G_RAID_DEBUG(1, "Intel metadata disk" 707 " index %d too big (>%d)", 708 mmap->disk_idx[k] & INTEL_DI_IDX, 709 meta->total_disks); 710 free(meta, M_MD_INTEL); 711 return (NULL); 712 } 713 } 714 } 715 } 716 717 /* Validate migration types. */ 718 for (i = 0; i < meta->total_volumes; i++) { 719 mvol = intel_get_volume(meta, i); 720 /* Deny unknown migration types. */ 721 if (mvol->migr_state && 722 mvol->migr_type != INTEL_MT_INIT && 723 mvol->migr_type != INTEL_MT_REBUILD && 724 mvol->migr_type != INTEL_MT_VERIFY && 725 mvol->migr_type != INTEL_MT_GEN_MIGR && 726 mvol->migr_type != INTEL_MT_REPAIR) { 727 G_RAID_DEBUG(1, "Intel metadata has unsupported" 728 " migration type %d", mvol->migr_type); 729 free(meta, M_MD_INTEL); 730 return (NULL); 731 } 732 /* Deny general migrations except SINGLE->RAID1. */ 733 if (mvol->migr_state && 734 mvol->migr_type == INTEL_MT_GEN_MIGR) { 735 mmap = intel_get_map(mvol, 0); 736 mmap1 = intel_get_map(mvol, 1); 737 if (mmap1->total_disks != 1 || 738 mmap->type != INTEL_T_RAID1 || 739 mmap->total_disks != 2 || 740 mmap->offset != mmap1->offset || 741 mmap->disk_sectors != mmap1->disk_sectors || 742 mmap->total_domains != mmap->total_disks || 743 mmap->offset_hi != mmap1->offset_hi || 744 mmap->disk_sectors_hi != mmap1->disk_sectors_hi || 745 (mmap->disk_idx[0] != mmap1->disk_idx[0] && 746 mmap->disk_idx[0] != mmap1->disk_idx[1])) { 747 G_RAID_DEBUG(1, "Intel metadata has unsupported" 748 " variant of general migration"); 749 free(meta, M_MD_INTEL); 750 return (NULL); 751 } 752 } 753 } 754 755 return (meta); 756 } 757 758 static int 759 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta) 760 { 761 struct g_provider *pp; 762 char *buf; 763 int error, i, sectors; 764 uint32_t checksum, *ptr; 765 766 pp = cp->provider; 767 768 /* Recalculate checksum for case if metadata were changed. */ 769 meta->checksum = 0; 770 for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 771 i < (meta->config_size / sizeof(uint32_t)); i++) { 772 checksum += *ptr++; 773 } 774 meta->checksum = checksum; 775 776 /* Create and fill buffer. */ 777 sectors = howmany(meta->config_size, pp->sectorsize); 778 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 779 if (sectors > 1) { 780 memcpy(buf, ((char *)meta) + pp->sectorsize, 781 (sectors - 1) * pp->sectorsize); 782 } 783 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize); 784 785 error = g_write_data(cp, 786 pp->mediasize - pp->sectorsize * (1 + sectors), 787 buf, pp->sectorsize * sectors); 788 if (error != 0) { 789 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 790 pp->name, error); 791 } 792 793 free(buf, M_MD_INTEL); 794 return (error); 795 } 796 797 static int 798 intel_meta_erase(struct g_consumer *cp) 799 { 800 struct g_provider *pp; 801 char *buf; 802 int error; 803 804 pp = cp->provider; 805 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 806 error = g_write_data(cp, 807 pp->mediasize - 2 * pp->sectorsize, 808 buf, pp->sectorsize); 809 if (error != 0) { 810 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 811 pp->name, error); 812 } 813 free(buf, M_MD_INTEL); 814 return (error); 815 } 816 817 static int 818 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d) 819 { 820 struct intel_raid_conf *meta; 821 int error; 822 823 /* Fill anchor and single disk. */ 824 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO); 825 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 826 memcpy(&meta->version[0], INTEL_VERSION_1000, 827 sizeof(INTEL_VERSION_1000) - 1); 828 meta->config_size = INTEL_MAX_MD_SIZE(1); 829 meta->config_id = meta->orig_config_id = arc4random(); 830 meta->generation = 1; 831 meta->total_disks = 1; 832 meta->disk[0] = *d; 833 error = intel_meta_write(cp, meta); 834 free(meta, M_MD_INTEL); 835 return (error); 836 } 837 838 static struct g_raid_disk * 839 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id) 840 { 841 struct g_raid_disk *disk; 842 struct g_raid_md_intel_perdisk *pd; 843 844 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 845 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 846 if (pd->pd_disk_pos == id) 847 break; 848 } 849 return (disk); 850 } 851 852 static int 853 g_raid_md_intel_supported(int level, int qual, int disks, int force) 854 { 855 856 switch (level) { 857 case G_RAID_VOLUME_RL_RAID0: 858 if (disks < 1) 859 return (0); 860 if (!force && (disks < 2 || disks > 6)) 861 return (0); 862 break; 863 case G_RAID_VOLUME_RL_RAID1: 864 if (disks < 1) 865 return (0); 866 if (!force && (disks != 2)) 867 return (0); 868 break; 869 case G_RAID_VOLUME_RL_RAID1E: 870 if (disks < 2) 871 return (0); 872 if (!force && (disks != 4)) 873 return (0); 874 break; 875 case G_RAID_VOLUME_RL_RAID5: 876 if (disks < 3) 877 return (0); 878 if (!force && disks > 6) 879 return (0); 880 if (qual != G_RAID_VOLUME_RLQ_R5LA) 881 return (0); 882 break; 883 default: 884 return (0); 885 } 886 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 887 return (0); 888 return (1); 889 } 890 891 static struct g_raid_volume * 892 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id) 893 { 894 struct g_raid_volume *mvol; 895 struct g_raid_md_intel_pervolume *pv; 896 897 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) { 898 pv = mvol->v_md_data; 899 if (pv->pv_volume_pos == id) 900 break; 901 } 902 return (mvol); 903 } 904 905 static int 906 g_raid_md_intel_start_disk(struct g_raid_disk *disk) 907 { 908 struct g_raid_softc *sc; 909 struct g_raid_subdisk *sd, *tmpsd; 910 struct g_raid_disk *olddisk, *tmpdisk; 911 struct g_raid_md_object *md; 912 struct g_raid_md_intel_object *mdi; 913 struct g_raid_md_intel_pervolume *pv; 914 struct g_raid_md_intel_perdisk *pd, *oldpd; 915 struct intel_raid_conf *meta; 916 struct intel_raid_vol *mvol; 917 struct intel_raid_map *mmap0, *mmap1; 918 int disk_pos, resurrection = 0, migr_global, i; 919 920 sc = disk->d_softc; 921 md = sc->sc_md; 922 mdi = (struct g_raid_md_intel_object *)md; 923 meta = mdi->mdio_meta; 924 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 925 olddisk = NULL; 926 927 /* Find disk position in metadata by its serial. */ 928 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial); 929 if (disk_pos < 0) { 930 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk"); 931 /* Failed stale disk is useless for us. */ 932 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) && 933 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) { 934 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED); 935 return (0); 936 } 937 /* If we are in the start process, that's all for now. */ 938 if (!mdi->mdio_started) 939 goto nofit; 940 /* 941 * If we have already started - try to get use of the disk. 942 * Try to replace OFFLINE disks first, then FAILED. 943 */ 944 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) { 945 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE && 946 tmpdisk->d_state != G_RAID_DISK_S_FAILED) 947 continue; 948 /* Make sure this disk is big enough. */ 949 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) { 950 off_t disk_sectors = 951 intel_get_disk_sectors(&pd->pd_disk_meta); 952 953 if (sd->sd_offset + sd->sd_size + 4096 > 954 disk_sectors * 512) { 955 G_RAID_DEBUG1(1, sc, 956 "Disk too small (%llu < %llu)", 957 (unsigned long long) 958 disk_sectors * 512, 959 (unsigned long long) 960 sd->sd_offset + sd->sd_size + 4096); 961 break; 962 } 963 } 964 if (sd != NULL) 965 continue; 966 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) { 967 olddisk = tmpdisk; 968 break; 969 } else if (olddisk == NULL) 970 olddisk = tmpdisk; 971 } 972 if (olddisk == NULL) { 973 nofit: 974 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) { 975 g_raid_change_disk_state(disk, 976 G_RAID_DISK_S_SPARE); 977 return (1); 978 } else { 979 g_raid_change_disk_state(disk, 980 G_RAID_DISK_S_STALE); 981 return (0); 982 } 983 } 984 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 985 disk_pos = oldpd->pd_disk_pos; 986 resurrection = 1; 987 } 988 989 if (olddisk == NULL) { 990 /* Find placeholder by position. */ 991 olddisk = g_raid_md_intel_get_disk(sc, disk_pos); 992 if (olddisk == NULL) 993 panic("No disk at position %d!", disk_pos); 994 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) { 995 G_RAID_DEBUG1(1, sc, "More than one disk for pos %d", 996 disk_pos); 997 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE); 998 return (0); 999 } 1000 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 1001 } 1002 1003 /* Replace failed disk or placeholder with new disk. */ 1004 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) { 1005 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next); 1006 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1007 sd->sd_disk = disk; 1008 } 1009 oldpd->pd_disk_pos = -2; 1010 pd->pd_disk_pos = disk_pos; 1011 1012 /* If it was placeholder -- destroy it. */ 1013 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) { 1014 g_raid_destroy_disk(olddisk); 1015 } else { 1016 /* Otherwise, make it STALE_FAILED. */ 1017 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED); 1018 /* Update global metadata just in case. */ 1019 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta, 1020 sizeof(struct intel_raid_disk)); 1021 } 1022 1023 /* Welcome the new disk. */ 1024 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) && 1025 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) 1026 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED); 1027 else if (resurrection) 1028 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 1029 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) 1030 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 1031 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE) 1032 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 1033 else 1034 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 1035 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1036 pv = sd->sd_volume->v_md_data; 1037 mvol = intel_get_volume(meta, pv->pv_volume_pos); 1038 mmap0 = intel_get_map(mvol, 0); 1039 if (mvol->migr_state) 1040 mmap1 = intel_get_map(mvol, 1); 1041 else 1042 mmap1 = mmap0; 1043 1044 migr_global = 1; 1045 for (i = 0; i < mmap0->total_disks; i++) { 1046 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 && 1047 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0) 1048 migr_global = 0; 1049 } 1050 1051 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) && 1052 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) { 1053 /* Disabled disk, useless. */ 1054 g_raid_change_subdisk_state(sd, 1055 G_RAID_SUBDISK_S_NONE); 1056 } else if (resurrection) { 1057 /* Stale disk, almost same as new. */ 1058 g_raid_change_subdisk_state(sd, 1059 G_RAID_SUBDISK_S_NEW); 1060 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) { 1061 /* Failed disk, almost useless. */ 1062 g_raid_change_subdisk_state(sd, 1063 G_RAID_SUBDISK_S_FAILED); 1064 } else if (mvol->migr_state == 0) { 1065 if (mmap0->status == INTEL_S_UNINITIALIZED && 1066 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) { 1067 /* Freshly created uninitialized volume. */ 1068 g_raid_change_subdisk_state(sd, 1069 G_RAID_SUBDISK_S_UNINITIALIZED); 1070 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1071 /* Freshly inserted disk. */ 1072 g_raid_change_subdisk_state(sd, 1073 G_RAID_SUBDISK_S_NEW); 1074 } else if (mvol->dirty && (!pv->pv_cng || 1075 pv->pv_cng_master_disk != disk_pos)) { 1076 /* Dirty volume (unclean shutdown). */ 1077 g_raid_change_subdisk_state(sd, 1078 G_RAID_SUBDISK_S_STALE); 1079 } else { 1080 /* Up to date disk. */ 1081 g_raid_change_subdisk_state(sd, 1082 G_RAID_SUBDISK_S_ACTIVE); 1083 } 1084 } else if (mvol->migr_type == INTEL_MT_INIT || 1085 mvol->migr_type == INTEL_MT_REBUILD) { 1086 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1087 /* Freshly inserted disk. */ 1088 g_raid_change_subdisk_state(sd, 1089 G_RAID_SUBDISK_S_NEW); 1090 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1091 /* Rebuilding disk. */ 1092 g_raid_change_subdisk_state(sd, 1093 G_RAID_SUBDISK_S_REBUILD); 1094 if (mvol->dirty) { 1095 sd->sd_rebuild_pos = 0; 1096 } else { 1097 sd->sd_rebuild_pos = 1098 intel_get_vol_curr_migr_unit(mvol) * 1099 sd->sd_volume->v_strip_size * 1100 mmap0->total_domains; 1101 } 1102 } else if (mvol->migr_type == INTEL_MT_INIT && 1103 migr_global) { 1104 /* Freshly created uninitialized volume. */ 1105 g_raid_change_subdisk_state(sd, 1106 G_RAID_SUBDISK_S_UNINITIALIZED); 1107 } else if (mvol->dirty && (!pv->pv_cng || 1108 pv->pv_cng_master_disk != disk_pos)) { 1109 /* Dirty volume (unclean shutdown). */ 1110 g_raid_change_subdisk_state(sd, 1111 G_RAID_SUBDISK_S_STALE); 1112 } else { 1113 /* Up to date disk. */ 1114 g_raid_change_subdisk_state(sd, 1115 G_RAID_SUBDISK_S_ACTIVE); 1116 } 1117 } else if (mvol->migr_type == INTEL_MT_VERIFY || 1118 mvol->migr_type == INTEL_MT_REPAIR) { 1119 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1120 /* Freshly inserted disk. */ 1121 g_raid_change_subdisk_state(sd, 1122 G_RAID_SUBDISK_S_NEW); 1123 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) || 1124 migr_global) { 1125 /* Resyncing disk. */ 1126 g_raid_change_subdisk_state(sd, 1127 G_RAID_SUBDISK_S_RESYNC); 1128 if (mvol->dirty) { 1129 sd->sd_rebuild_pos = 0; 1130 } else { 1131 sd->sd_rebuild_pos = 1132 intel_get_vol_curr_migr_unit(mvol) * 1133 sd->sd_volume->v_strip_size * 1134 mmap0->total_domains; 1135 } 1136 } else if (mvol->dirty) { 1137 /* Dirty volume (unclean shutdown). */ 1138 g_raid_change_subdisk_state(sd, 1139 G_RAID_SUBDISK_S_STALE); 1140 } else { 1141 /* Up to date disk. */ 1142 g_raid_change_subdisk_state(sd, 1143 G_RAID_SUBDISK_S_ACTIVE); 1144 } 1145 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) { 1146 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) { 1147 /* Freshly inserted disk. */ 1148 g_raid_change_subdisk_state(sd, 1149 G_RAID_SUBDISK_S_NEW); 1150 } else { 1151 /* Up to date disk. */ 1152 g_raid_change_subdisk_state(sd, 1153 G_RAID_SUBDISK_S_ACTIVE); 1154 } 1155 } 1156 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1157 G_RAID_EVENT_SUBDISK); 1158 } 1159 1160 /* Update status of our need for spare. */ 1161 if (mdi->mdio_started) { 1162 mdi->mdio_incomplete = 1163 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1164 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < 1165 meta->total_disks); 1166 } 1167 1168 return (resurrection); 1169 } 1170 1171 static void 1172 g_disk_md_intel_retaste(void *arg, int pending) 1173 { 1174 1175 G_RAID_DEBUG(1, "Array is not complete, trying to retaste."); 1176 g_retaste(&g_raid_class); 1177 free(arg, M_MD_INTEL); 1178 } 1179 1180 static void 1181 g_raid_md_intel_refill(struct g_raid_softc *sc) 1182 { 1183 struct g_raid_md_object *md; 1184 struct g_raid_md_intel_object *mdi; 1185 struct intel_raid_conf *meta; 1186 struct g_raid_disk *disk; 1187 struct task *task; 1188 int update, na; 1189 1190 md = sc->sc_md; 1191 mdi = (struct g_raid_md_intel_object *)md; 1192 meta = mdi->mdio_meta; 1193 update = 0; 1194 do { 1195 /* Make sure we miss anything. */ 1196 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1197 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED); 1198 if (na == meta->total_disks) 1199 break; 1200 1201 G_RAID_DEBUG1(1, md->mdo_softc, 1202 "Array is not complete (%d of %d), " 1203 "trying to refill.", na, meta->total_disks); 1204 1205 /* Try to get use some of STALE disks. */ 1206 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1207 if (disk->d_state == G_RAID_DISK_S_STALE) { 1208 update += g_raid_md_intel_start_disk(disk); 1209 if (disk->d_state == G_RAID_DISK_S_ACTIVE || 1210 disk->d_state == G_RAID_DISK_S_DISABLED) 1211 break; 1212 } 1213 } 1214 if (disk != NULL) 1215 continue; 1216 1217 /* Try to get use some of SPARE disks. */ 1218 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1219 if (disk->d_state == G_RAID_DISK_S_SPARE) { 1220 update += g_raid_md_intel_start_disk(disk); 1221 if (disk->d_state == G_RAID_DISK_S_ACTIVE) 1222 break; 1223 } 1224 } 1225 } while (disk != NULL); 1226 1227 /* Write new metadata if we changed something. */ 1228 if (update) { 1229 g_raid_md_write_intel(md, NULL, NULL, NULL); 1230 meta = mdi->mdio_meta; 1231 } 1232 1233 /* Update status of our need for spare. */ 1234 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1235 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks); 1236 1237 /* Request retaste hoping to find spare. */ 1238 if (mdi->mdio_incomplete) { 1239 task = malloc(sizeof(struct task), 1240 M_MD_INTEL, M_WAITOK | M_ZERO); 1241 TASK_INIT(task, 0, g_disk_md_intel_retaste, task); 1242 taskqueue_enqueue(taskqueue_swi, task); 1243 } 1244 } 1245 1246 static void 1247 g_raid_md_intel_start(struct g_raid_softc *sc) 1248 { 1249 struct g_raid_md_object *md; 1250 struct g_raid_md_intel_object *mdi; 1251 struct g_raid_md_intel_pervolume *pv; 1252 struct g_raid_md_intel_perdisk *pd; 1253 struct intel_raid_conf *meta; 1254 struct intel_raid_vol *mvol; 1255 struct intel_raid_map *mmap; 1256 struct g_raid_volume *vol; 1257 struct g_raid_subdisk *sd; 1258 struct g_raid_disk *disk; 1259 int i, j, disk_pos; 1260 1261 md = sc->sc_md; 1262 mdi = (struct g_raid_md_intel_object *)md; 1263 meta = mdi->mdio_meta; 1264 1265 /* Create volumes and subdisks. */ 1266 for (i = 0; i < meta->total_volumes; i++) { 1267 mvol = intel_get_volume(meta, i); 1268 mmap = intel_get_map(mvol, 0); 1269 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1); 1270 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 1271 pv->pv_volume_pos = i; 1272 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0; 1273 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0; 1274 if (mvol->cng_master_disk < mmap->total_disks) 1275 pv->pv_cng_master_disk = mvol->cng_master_disk; 1276 vol->v_md_data = pv; 1277 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 1278 if (mmap->type == INTEL_T_RAID0) 1279 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 1280 else if (mmap->type == INTEL_T_RAID1 && 1281 mmap->total_domains >= 2 && 1282 mmap->total_domains <= mmap->total_disks) { 1283 /* Assume total_domains is correct. */ 1284 if (mmap->total_domains == mmap->total_disks) 1285 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 1286 else 1287 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 1288 } else if (mmap->type == INTEL_T_RAID1) { 1289 /* total_domains looks wrong. */ 1290 if (mmap->total_disks <= 2) 1291 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 1292 else 1293 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 1294 } else if (mmap->type == INTEL_T_RAID5) { 1295 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 1296 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA; 1297 } else 1298 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 1299 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ 1300 vol->v_disks_count = mmap->total_disks; 1301 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ 1302 vol->v_sectorsize = 512; //ZZZ 1303 for (j = 0; j < vol->v_disks_count; j++) { 1304 sd = &vol->v_subdisks[j]; 1305 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ 1306 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ 1307 } 1308 g_raid_start_volume(vol); 1309 } 1310 1311 /* Create disk placeholders to store data for later writing. */ 1312 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) { 1313 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1314 pd->pd_disk_pos = disk_pos; 1315 pd->pd_disk_meta = meta->disk[disk_pos]; 1316 disk = g_raid_create_disk(sc); 1317 disk->d_md_data = (void *)pd; 1318 disk->d_state = G_RAID_DISK_S_OFFLINE; 1319 for (i = 0; i < meta->total_volumes; i++) { 1320 mvol = intel_get_volume(meta, i); 1321 mmap = intel_get_map(mvol, 0); 1322 for (j = 0; j < mmap->total_disks; j++) { 1323 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos) 1324 break; 1325 } 1326 if (j == mmap->total_disks) 1327 continue; 1328 vol = g_raid_md_intel_get_volume(sc, i); 1329 sd = &vol->v_subdisks[j]; 1330 sd->sd_disk = disk; 1331 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1332 } 1333 } 1334 1335 /* Make all disks found till the moment take their places. */ 1336 do { 1337 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1338 if (disk->d_state == G_RAID_DISK_S_NONE) { 1339 g_raid_md_intel_start_disk(disk); 1340 break; 1341 } 1342 } 1343 } while (disk != NULL); 1344 1345 mdi->mdio_started = 1; 1346 G_RAID_DEBUG1(0, sc, "Array started."); 1347 g_raid_md_write_intel(md, NULL, NULL, NULL); 1348 1349 /* Pickup any STALE/SPARE disks to refill array if needed. */ 1350 g_raid_md_intel_refill(sc); 1351 1352 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1353 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1354 G_RAID_EVENT_VOLUME); 1355 } 1356 1357 callout_stop(&mdi->mdio_start_co); 1358 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount); 1359 root_mount_rel(mdi->mdio_rootmount); 1360 mdi->mdio_rootmount = NULL; 1361 } 1362 1363 static void 1364 g_raid_md_intel_new_disk(struct g_raid_disk *disk) 1365 { 1366 struct g_raid_softc *sc; 1367 struct g_raid_md_object *md; 1368 struct g_raid_md_intel_object *mdi; 1369 struct intel_raid_conf *pdmeta; 1370 struct g_raid_md_intel_perdisk *pd; 1371 1372 sc = disk->d_softc; 1373 md = sc->sc_md; 1374 mdi = (struct g_raid_md_intel_object *)md; 1375 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1376 pdmeta = pd->pd_meta; 1377 1378 if (mdi->mdio_started) { 1379 if (g_raid_md_intel_start_disk(disk)) 1380 g_raid_md_write_intel(md, NULL, NULL, NULL); 1381 } else { 1382 /* If we haven't started yet - check metadata freshness. */ 1383 if (mdi->mdio_meta == NULL || 1384 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) { 1385 G_RAID_DEBUG1(1, sc, "Newer disk"); 1386 if (mdi->mdio_meta != NULL) 1387 free(mdi->mdio_meta, M_MD_INTEL); 1388 mdi->mdio_meta = intel_meta_copy(pdmeta); 1389 mdi->mdio_generation = mdi->mdio_meta->generation; 1390 mdi->mdio_disks_present = 1; 1391 } else if (pdmeta->generation == mdi->mdio_generation) { 1392 mdi->mdio_disks_present++; 1393 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 1394 mdi->mdio_disks_present, 1395 mdi->mdio_meta->total_disks); 1396 } else { 1397 G_RAID_DEBUG1(1, sc, "Older disk"); 1398 } 1399 /* If we collected all needed disks - start array. */ 1400 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks) 1401 g_raid_md_intel_start(sc); 1402 } 1403 } 1404 1405 static void 1406 g_raid_intel_go(void *arg) 1407 { 1408 struct g_raid_softc *sc; 1409 struct g_raid_md_object *md; 1410 struct g_raid_md_intel_object *mdi; 1411 1412 sc = arg; 1413 md = sc->sc_md; 1414 mdi = (struct g_raid_md_intel_object *)md; 1415 if (!mdi->mdio_started) { 1416 G_RAID_DEBUG1(0, sc, "Force array start due to timeout."); 1417 g_raid_event_send(sc, G_RAID_NODE_E_START, 0); 1418 } 1419 } 1420 1421 static int 1422 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp, 1423 struct g_geom **gp) 1424 { 1425 struct g_raid_softc *sc; 1426 struct g_raid_md_intel_object *mdi; 1427 char name[16]; 1428 1429 mdi = (struct g_raid_md_intel_object *)md; 1430 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random(); 1431 mdi->mdio_generation = 0; 1432 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id); 1433 sc = g_raid_create_node(mp, name, md); 1434 if (sc == NULL) 1435 return (G_RAID_MD_TASTE_FAIL); 1436 md->mdo_softc = sc; 1437 *gp = sc->sc_geom; 1438 return (G_RAID_MD_TASTE_NEW); 1439 } 1440 1441 /* 1442 * Return the last N characters of the serial label. The Linux and 1443 * ataraid(7) code always uses the last 16 characters of the label to 1444 * store into the Intel meta format. Generalize this to N characters 1445 * since that's easy. Labels can be up to 20 characters for SATA drives 1446 * and up 251 characters for SAS drives. Since intel controllers don't 1447 * support SAS drives, just stick with the SATA limits for stack friendliness. 1448 */ 1449 static int 1450 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen) 1451 { 1452 char serial_buffer[DISK_IDENT_SIZE]; 1453 int len, error; 1454 1455 len = sizeof(serial_buffer); 1456 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer); 1457 if (error != 0) 1458 return (error); 1459 len = strlen(serial_buffer); 1460 if (len > serlen) 1461 len -= serlen; 1462 else 1463 len = 0; 1464 strncpy(serial, serial_buffer + len, serlen); 1465 return (0); 1466 } 1467 1468 static int 1469 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp, 1470 struct g_consumer *cp, struct g_geom **gp) 1471 { 1472 struct g_consumer *rcp; 1473 struct g_provider *pp; 1474 struct g_raid_md_intel_object *mdi, *mdi1; 1475 struct g_raid_softc *sc; 1476 struct g_raid_disk *disk; 1477 struct intel_raid_conf *meta; 1478 struct g_raid_md_intel_perdisk *pd; 1479 struct g_geom *geom; 1480 int error, disk_pos, result, spare, len; 1481 char serial[INTEL_SERIAL_LEN]; 1482 char name[16]; 1483 uint16_t vendor; 1484 1485 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name); 1486 mdi = (struct g_raid_md_intel_object *)md; 1487 pp = cp->provider; 1488 1489 /* Read metadata from device. */ 1490 meta = NULL; 1491 disk_pos = 0; 1492 g_topology_unlock(); 1493 error = g_raid_md_get_label(cp, serial, sizeof(serial)); 1494 if (error != 0) { 1495 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).", 1496 pp->name, error); 1497 goto fail2; 1498 } 1499 vendor = 0xffff; 1500 len = sizeof(vendor); 1501 if (pp->geom->rank == 1) 1502 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 1503 meta = intel_meta_read(cp); 1504 g_topology_lock(); 1505 if (meta == NULL) { 1506 if (g_raid_aggressive_spare) { 1507 if (vendor != 0x8086) { 1508 G_RAID_DEBUG(1, 1509 "Intel vendor mismatch 0x%04x != 0x8086", 1510 vendor); 1511 } else { 1512 G_RAID_DEBUG(1, 1513 "No Intel metadata, forcing spare."); 1514 spare = 2; 1515 goto search; 1516 } 1517 } 1518 return (G_RAID_MD_TASTE_FAIL); 1519 } 1520 1521 /* Check this disk position in obtained metadata. */ 1522 disk_pos = intel_meta_find_disk(meta, serial); 1523 if (disk_pos < 0) { 1524 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial); 1525 goto fail1; 1526 } 1527 if (intel_get_disk_sectors(&meta->disk[disk_pos]) != 1528 (pp->mediasize / pp->sectorsize)) { 1529 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju", 1530 intel_get_disk_sectors(&meta->disk[disk_pos]), 1531 (off_t)(pp->mediasize / pp->sectorsize)); 1532 goto fail1; 1533 } 1534 1535 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos); 1536 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE; 1537 1538 search: 1539 /* Search for matching node. */ 1540 sc = NULL; 1541 mdi1 = NULL; 1542 LIST_FOREACH(geom, &mp->geom, geom) { 1543 sc = geom->softc; 1544 if (sc == NULL) 1545 continue; 1546 if (sc->sc_stopping != 0) 1547 continue; 1548 if (sc->sc_md->mdo_class != md->mdo_class) 1549 continue; 1550 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md; 1551 if (spare) { 1552 if (mdi1->mdio_incomplete) 1553 break; 1554 } else { 1555 if (mdi1->mdio_config_id == meta->config_id) 1556 break; 1557 } 1558 } 1559 1560 /* Found matching node. */ 1561 if (geom != NULL) { 1562 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 1563 result = G_RAID_MD_TASTE_EXISTING; 1564 1565 } else if (spare) { /* Not found needy node -- left for later. */ 1566 G_RAID_DEBUG(1, "Spare is not needed at this time"); 1567 goto fail1; 1568 1569 } else { /* Not found matching node -- create one. */ 1570 result = G_RAID_MD_TASTE_NEW; 1571 mdi->mdio_config_id = meta->config_id; 1572 mdi->mdio_orig_config_id = meta->orig_config_id; 1573 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id); 1574 sc = g_raid_create_node(mp, name, md); 1575 md->mdo_softc = sc; 1576 geom = sc->sc_geom; 1577 callout_init(&mdi->mdio_start_co, 1); 1578 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz, 1579 g_raid_intel_go, sc); 1580 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel"); 1581 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount); 1582 } 1583 1584 /* There is no return after this point, so we close passed consumer. */ 1585 g_access(cp, -1, 0, 0); 1586 1587 rcp = g_new_consumer(geom); 1588 rcp->flags |= G_CF_DIRECT_RECEIVE; 1589 g_attach(rcp, pp); 1590 if (g_access(rcp, 1, 1, 1) != 0) 1591 ; //goto fail1; 1592 1593 g_topology_unlock(); 1594 sx_xlock(&sc->sc_lock); 1595 1596 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1597 pd->pd_meta = meta; 1598 pd->pd_disk_pos = -1; 1599 if (spare == 2) { 1600 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN); 1601 intel_set_disk_sectors(&pd->pd_disk_meta, 1602 pp->mediasize / pp->sectorsize); 1603 pd->pd_disk_meta.id = 0; 1604 pd->pd_disk_meta.flags = INTEL_F_SPARE; 1605 } else { 1606 pd->pd_disk_meta = meta->disk[disk_pos]; 1607 } 1608 disk = g_raid_create_disk(sc); 1609 disk->d_md_data = (void *)pd; 1610 disk->d_consumer = rcp; 1611 rcp->private = disk; 1612 1613 g_raid_get_disk_info(disk); 1614 1615 g_raid_md_intel_new_disk(disk); 1616 1617 sx_xunlock(&sc->sc_lock); 1618 g_topology_lock(); 1619 *gp = geom; 1620 return (result); 1621 fail2: 1622 g_topology_lock(); 1623 fail1: 1624 free(meta, M_MD_INTEL); 1625 return (G_RAID_MD_TASTE_FAIL); 1626 } 1627 1628 static int 1629 g_raid_md_event_intel(struct g_raid_md_object *md, 1630 struct g_raid_disk *disk, u_int event) 1631 { 1632 struct g_raid_softc *sc; 1633 struct g_raid_subdisk *sd; 1634 struct g_raid_md_intel_object *mdi; 1635 struct g_raid_md_intel_perdisk *pd; 1636 1637 sc = md->mdo_softc; 1638 mdi = (struct g_raid_md_intel_object *)md; 1639 if (disk == NULL) { 1640 switch (event) { 1641 case G_RAID_NODE_E_START: 1642 if (!mdi->mdio_started) 1643 g_raid_md_intel_start(sc); 1644 return (0); 1645 } 1646 return (-1); 1647 } 1648 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1649 switch (event) { 1650 case G_RAID_DISK_E_DISCONNECTED: 1651 /* If disk was assigned, just update statuses. */ 1652 if (pd->pd_disk_pos >= 0) { 1653 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1654 if (disk->d_consumer) { 1655 g_raid_kill_consumer(sc, disk->d_consumer); 1656 disk->d_consumer = NULL; 1657 } 1658 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1659 g_raid_change_subdisk_state(sd, 1660 G_RAID_SUBDISK_S_NONE); 1661 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1662 G_RAID_EVENT_SUBDISK); 1663 } 1664 } else { 1665 /* Otherwise -- delete. */ 1666 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1667 g_raid_destroy_disk(disk); 1668 } 1669 1670 /* Write updated metadata to all disks. */ 1671 g_raid_md_write_intel(md, NULL, NULL, NULL); 1672 1673 /* Check if anything left except placeholders. */ 1674 if (g_raid_ndisks(sc, -1) == 1675 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1676 g_raid_destroy_node(sc, 0); 1677 else 1678 g_raid_md_intel_refill(sc); 1679 return (0); 1680 } 1681 return (-2); 1682 } 1683 1684 static int 1685 g_raid_md_ctl_intel(struct g_raid_md_object *md, 1686 struct gctl_req *req) 1687 { 1688 struct g_raid_softc *sc; 1689 struct g_raid_volume *vol, *vol1; 1690 struct g_raid_subdisk *sd; 1691 struct g_raid_disk *disk; 1692 struct g_raid_md_intel_object *mdi; 1693 struct g_raid_md_intel_pervolume *pv; 1694 struct g_raid_md_intel_perdisk *pd; 1695 struct g_consumer *cp; 1696 struct g_provider *pp; 1697 char arg[16], serial[INTEL_SERIAL_LEN]; 1698 const char *nodename, *verb, *volname, *levelname, *diskname; 1699 char *tmp; 1700 int *nargs, *force; 1701 off_t off, size, sectorsize, strip, disk_sectors; 1702 intmax_t *sizearg, *striparg; 1703 int numdisks, i, len, level, qual, update; 1704 int error; 1705 1706 sc = md->mdo_softc; 1707 mdi = (struct g_raid_md_intel_object *)md; 1708 verb = gctl_get_param(req, "verb", NULL); 1709 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1710 error = 0; 1711 if (strcmp(verb, "label") == 0) { 1712 if (*nargs < 4) { 1713 gctl_error(req, "Invalid number of arguments."); 1714 return (-1); 1715 } 1716 volname = gctl_get_asciiparam(req, "arg1"); 1717 if (volname == NULL) { 1718 gctl_error(req, "No volume name."); 1719 return (-2); 1720 } 1721 levelname = gctl_get_asciiparam(req, "arg2"); 1722 if (levelname == NULL) { 1723 gctl_error(req, "No RAID level."); 1724 return (-3); 1725 } 1726 if (strcasecmp(levelname, "RAID5") == 0) 1727 levelname = "RAID5-LA"; 1728 if (g_raid_volume_str2level(levelname, &level, &qual)) { 1729 gctl_error(req, "Unknown RAID level '%s'.", levelname); 1730 return (-4); 1731 } 1732 numdisks = *nargs - 3; 1733 force = gctl_get_paraml(req, "force", sizeof(*force)); 1734 if (!g_raid_md_intel_supported(level, qual, numdisks, 1735 force ? *force : 0)) { 1736 gctl_error(req, "Unsupported RAID level " 1737 "(0x%02x/0x%02x), or number of disks (%d).", 1738 level, qual, numdisks); 1739 return (-5); 1740 } 1741 1742 /* Search for disks, connect them and probe. */ 1743 size = 0x7fffffffffffffffllu; 1744 sectorsize = 0; 1745 for (i = 0; i < numdisks; i++) { 1746 snprintf(arg, sizeof(arg), "arg%d", i + 3); 1747 diskname = gctl_get_asciiparam(req, arg); 1748 if (diskname == NULL) { 1749 gctl_error(req, "No disk name (%s).", arg); 1750 error = -6; 1751 break; 1752 } 1753 if (strcmp(diskname, "NONE") == 0) { 1754 cp = NULL; 1755 pp = NULL; 1756 } else { 1757 g_topology_lock(); 1758 cp = g_raid_open_consumer(sc, diskname); 1759 if (cp == NULL) { 1760 gctl_error(req, "Can't open disk '%s'.", 1761 diskname); 1762 g_topology_unlock(); 1763 error = -7; 1764 break; 1765 } 1766 pp = cp->provider; 1767 } 1768 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1769 pd->pd_disk_pos = i; 1770 disk = g_raid_create_disk(sc); 1771 disk->d_md_data = (void *)pd; 1772 disk->d_consumer = cp; 1773 if (cp == NULL) { 1774 strcpy(&pd->pd_disk_meta.serial[0], "NONE"); 1775 pd->pd_disk_meta.id = 0xffffffff; 1776 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 1777 continue; 1778 } 1779 cp->private = disk; 1780 g_topology_unlock(); 1781 1782 error = g_raid_md_get_label(cp, 1783 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN); 1784 if (error != 0) { 1785 gctl_error(req, 1786 "Can't get serial for provider '%s'.", 1787 diskname); 1788 error = -8; 1789 break; 1790 } 1791 1792 g_raid_get_disk_info(disk); 1793 1794 intel_set_disk_sectors(&pd->pd_disk_meta, 1795 pp->mediasize / pp->sectorsize); 1796 if (size > pp->mediasize) 1797 size = pp->mediasize; 1798 if (sectorsize < pp->sectorsize) 1799 sectorsize = pp->sectorsize; 1800 pd->pd_disk_meta.id = 0; 1801 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE; 1802 } 1803 if (error != 0) 1804 return (error); 1805 1806 if (sectorsize <= 0) { 1807 gctl_error(req, "Can't get sector size."); 1808 return (-8); 1809 } 1810 1811 /* Reserve some space for metadata. */ 1812 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1813 1814 /* Handle size argument. */ 1815 len = sizeof(*sizearg); 1816 sizearg = gctl_get_param(req, "size", &len); 1817 if (sizearg != NULL && len == sizeof(*sizearg) && 1818 *sizearg > 0) { 1819 if (*sizearg > size) { 1820 gctl_error(req, "Size too big %lld > %lld.", 1821 (long long)*sizearg, (long long)size); 1822 return (-9); 1823 } 1824 size = *sizearg; 1825 } 1826 1827 /* Handle strip argument. */ 1828 strip = 131072; 1829 len = sizeof(*striparg); 1830 striparg = gctl_get_param(req, "strip", &len); 1831 if (striparg != NULL && len == sizeof(*striparg) && 1832 *striparg > 0) { 1833 if (*striparg < sectorsize) { 1834 gctl_error(req, "Strip size too small."); 1835 return (-10); 1836 } 1837 if (*striparg % sectorsize != 0) { 1838 gctl_error(req, "Incorrect strip size."); 1839 return (-11); 1840 } 1841 if (strip > 65535 * sectorsize) { 1842 gctl_error(req, "Strip size too big."); 1843 return (-12); 1844 } 1845 strip = *striparg; 1846 } 1847 1848 /* Round size down to strip or sector. */ 1849 if (level == G_RAID_VOLUME_RL_RAID1) 1850 size -= (size % sectorsize); 1851 else if (level == G_RAID_VOLUME_RL_RAID1E && 1852 (numdisks & 1) != 0) 1853 size -= (size % (2 * strip)); 1854 else 1855 size -= (size % strip); 1856 if (size <= 0) { 1857 gctl_error(req, "Size too small."); 1858 return (-13); 1859 } 1860 1861 /* We have all we need, create things: volume, ... */ 1862 mdi->mdio_started = 1; 1863 vol = g_raid_create_volume(sc, volname, -1); 1864 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 1865 pv->pv_volume_pos = 0; 1866 vol->v_md_data = pv; 1867 vol->v_raid_level = level; 1868 vol->v_raid_level_qualifier = qual; 1869 vol->v_strip_size = strip; 1870 vol->v_disks_count = numdisks; 1871 if (level == G_RAID_VOLUME_RL_RAID0) 1872 vol->v_mediasize = size * numdisks; 1873 else if (level == G_RAID_VOLUME_RL_RAID1) 1874 vol->v_mediasize = size; 1875 else if (level == G_RAID_VOLUME_RL_RAID5) 1876 vol->v_mediasize = size * (numdisks - 1); 1877 else { /* RAID1E */ 1878 vol->v_mediasize = ((size * numdisks) / strip / 2) * 1879 strip; 1880 } 1881 vol->v_sectorsize = sectorsize; 1882 g_raid_start_volume(vol); 1883 1884 /* , and subdisks. */ 1885 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1886 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1887 sd = &vol->v_subdisks[pd->pd_disk_pos]; 1888 sd->sd_disk = disk; 1889 sd->sd_offset = 0; 1890 sd->sd_size = size; 1891 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1892 if (sd->sd_disk->d_consumer != NULL) { 1893 g_raid_change_disk_state(disk, 1894 G_RAID_DISK_S_ACTIVE); 1895 if (level == G_RAID_VOLUME_RL_RAID5) 1896 g_raid_change_subdisk_state(sd, 1897 G_RAID_SUBDISK_S_UNINITIALIZED); 1898 else 1899 g_raid_change_subdisk_state(sd, 1900 G_RAID_SUBDISK_S_ACTIVE); 1901 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1902 G_RAID_EVENT_SUBDISK); 1903 } else { 1904 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1905 } 1906 } 1907 1908 /* Write metadata based on created entities. */ 1909 G_RAID_DEBUG1(0, sc, "Array started."); 1910 g_raid_md_write_intel(md, NULL, NULL, NULL); 1911 1912 /* Pickup any STALE/SPARE disks to refill array if needed. */ 1913 g_raid_md_intel_refill(sc); 1914 1915 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1916 G_RAID_EVENT_VOLUME); 1917 return (0); 1918 } 1919 if (strcmp(verb, "add") == 0) { 1920 if (*nargs != 3) { 1921 gctl_error(req, "Invalid number of arguments."); 1922 return (-1); 1923 } 1924 volname = gctl_get_asciiparam(req, "arg1"); 1925 if (volname == NULL) { 1926 gctl_error(req, "No volume name."); 1927 return (-2); 1928 } 1929 levelname = gctl_get_asciiparam(req, "arg2"); 1930 if (levelname == NULL) { 1931 gctl_error(req, "No RAID level."); 1932 return (-3); 1933 } 1934 if (strcasecmp(levelname, "RAID5") == 0) 1935 levelname = "RAID5-LA"; 1936 if (g_raid_volume_str2level(levelname, &level, &qual)) { 1937 gctl_error(req, "Unknown RAID level '%s'.", levelname); 1938 return (-4); 1939 } 1940 1941 /* Look for existing volumes. */ 1942 i = 0; 1943 vol1 = NULL; 1944 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1945 vol1 = vol; 1946 i++; 1947 } 1948 if (i > 1) { 1949 gctl_error(req, "Maximum two volumes supported."); 1950 return (-6); 1951 } 1952 if (vol1 == NULL) { 1953 gctl_error(req, "At least one volume must exist."); 1954 return (-7); 1955 } 1956 1957 numdisks = vol1->v_disks_count; 1958 force = gctl_get_paraml(req, "force", sizeof(*force)); 1959 if (!g_raid_md_intel_supported(level, qual, numdisks, 1960 force ? *force : 0)) { 1961 gctl_error(req, "Unsupported RAID level " 1962 "(0x%02x/0x%02x), or number of disks (%d).", 1963 level, qual, numdisks); 1964 return (-5); 1965 } 1966 1967 /* Collect info about present disks. */ 1968 size = 0x7fffffffffffffffllu; 1969 sectorsize = 512; 1970 for (i = 0; i < numdisks; i++) { 1971 disk = vol1->v_subdisks[i].sd_disk; 1972 pd = (struct g_raid_md_intel_perdisk *) 1973 disk->d_md_data; 1974 disk_sectors = 1975 intel_get_disk_sectors(&pd->pd_disk_meta); 1976 1977 if (disk_sectors * 512 < size) 1978 size = disk_sectors * 512; 1979 if (disk->d_consumer != NULL && 1980 disk->d_consumer->provider != NULL && 1981 disk->d_consumer->provider->sectorsize > 1982 sectorsize) { 1983 sectorsize = 1984 disk->d_consumer->provider->sectorsize; 1985 } 1986 } 1987 1988 /* Reserve some space for metadata. */ 1989 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1990 1991 /* Decide insert before or after. */ 1992 sd = &vol1->v_subdisks[0]; 1993 if (sd->sd_offset > 1994 size - (sd->sd_offset + sd->sd_size)) { 1995 off = 0; 1996 size = sd->sd_offset; 1997 } else { 1998 off = sd->sd_offset + sd->sd_size; 1999 size = size - (sd->sd_offset + sd->sd_size); 2000 } 2001 2002 /* Handle strip argument. */ 2003 strip = 131072; 2004 len = sizeof(*striparg); 2005 striparg = gctl_get_param(req, "strip", &len); 2006 if (striparg != NULL && len == sizeof(*striparg) && 2007 *striparg > 0) { 2008 if (*striparg < sectorsize) { 2009 gctl_error(req, "Strip size too small."); 2010 return (-10); 2011 } 2012 if (*striparg % sectorsize != 0) { 2013 gctl_error(req, "Incorrect strip size."); 2014 return (-11); 2015 } 2016 if (strip > 65535 * sectorsize) { 2017 gctl_error(req, "Strip size too big."); 2018 return (-12); 2019 } 2020 strip = *striparg; 2021 } 2022 2023 /* Round offset up to strip. */ 2024 if (off % strip != 0) { 2025 size -= strip - off % strip; 2026 off += strip - off % strip; 2027 } 2028 2029 /* Handle size argument. */ 2030 len = sizeof(*sizearg); 2031 sizearg = gctl_get_param(req, "size", &len); 2032 if (sizearg != NULL && len == sizeof(*sizearg) && 2033 *sizearg > 0) { 2034 if (*sizearg > size) { 2035 gctl_error(req, "Size too big %lld > %lld.", 2036 (long long)*sizearg, (long long)size); 2037 return (-9); 2038 } 2039 size = *sizearg; 2040 } 2041 2042 /* Round size down to strip or sector. */ 2043 if (level == G_RAID_VOLUME_RL_RAID1) 2044 size -= (size % sectorsize); 2045 else 2046 size -= (size % strip); 2047 if (size <= 0) { 2048 gctl_error(req, "Size too small."); 2049 return (-13); 2050 } 2051 if (size > 0xffffffffllu * sectorsize) { 2052 gctl_error(req, "Size too big."); 2053 return (-14); 2054 } 2055 2056 /* We have all we need, create things: volume, ... */ 2057 vol = g_raid_create_volume(sc, volname, -1); 2058 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 2059 pv->pv_volume_pos = i; 2060 vol->v_md_data = pv; 2061 vol->v_raid_level = level; 2062 vol->v_raid_level_qualifier = qual; 2063 vol->v_strip_size = strip; 2064 vol->v_disks_count = numdisks; 2065 if (level == G_RAID_VOLUME_RL_RAID0) 2066 vol->v_mediasize = size * numdisks; 2067 else if (level == G_RAID_VOLUME_RL_RAID1) 2068 vol->v_mediasize = size; 2069 else if (level == G_RAID_VOLUME_RL_RAID5) 2070 vol->v_mediasize = size * (numdisks - 1); 2071 else { /* RAID1E */ 2072 vol->v_mediasize = ((size * numdisks) / strip / 2) * 2073 strip; 2074 } 2075 vol->v_sectorsize = sectorsize; 2076 g_raid_start_volume(vol); 2077 2078 /* , and subdisks. */ 2079 for (i = 0; i < numdisks; i++) { 2080 disk = vol1->v_subdisks[i].sd_disk; 2081 sd = &vol->v_subdisks[i]; 2082 sd->sd_disk = disk; 2083 sd->sd_offset = off; 2084 sd->sd_size = size; 2085 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 2086 if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 2087 if (level == G_RAID_VOLUME_RL_RAID5) 2088 g_raid_change_subdisk_state(sd, 2089 G_RAID_SUBDISK_S_UNINITIALIZED); 2090 else 2091 g_raid_change_subdisk_state(sd, 2092 G_RAID_SUBDISK_S_ACTIVE); 2093 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 2094 G_RAID_EVENT_SUBDISK); 2095 } 2096 } 2097 2098 /* Write metadata based on created entities. */ 2099 g_raid_md_write_intel(md, NULL, NULL, NULL); 2100 2101 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 2102 G_RAID_EVENT_VOLUME); 2103 return (0); 2104 } 2105 if (strcmp(verb, "delete") == 0) { 2106 nodename = gctl_get_asciiparam(req, "arg0"); 2107 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0) 2108 nodename = NULL; 2109 2110 /* Full node destruction. */ 2111 if (*nargs == 1 && nodename != NULL) { 2112 /* Check if some volume is still open. */ 2113 force = gctl_get_paraml(req, "force", sizeof(*force)); 2114 if (force != NULL && *force == 0 && 2115 g_raid_nopens(sc) != 0) { 2116 gctl_error(req, "Some volume is still open."); 2117 return (-4); 2118 } 2119 2120 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2121 if (disk->d_consumer) 2122 intel_meta_erase(disk->d_consumer); 2123 } 2124 g_raid_destroy_node(sc, 0); 2125 return (0); 2126 } 2127 2128 /* Destroy specified volume. If it was last - all node. */ 2129 if (*nargs > 2) { 2130 gctl_error(req, "Invalid number of arguments."); 2131 return (-1); 2132 } 2133 volname = gctl_get_asciiparam(req, 2134 nodename != NULL ? "arg1" : "arg0"); 2135 if (volname == NULL) { 2136 gctl_error(req, "No volume name."); 2137 return (-2); 2138 } 2139 2140 /* Search for volume. */ 2141 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2142 if (strcmp(vol->v_name, volname) == 0) 2143 break; 2144 pp = vol->v_provider; 2145 if (pp == NULL) 2146 continue; 2147 if (strcmp(pp->name, volname) == 0) 2148 break; 2149 if (strncmp(pp->name, "raid/", 5) == 0 && 2150 strcmp(pp->name + 5, volname) == 0) 2151 break; 2152 } 2153 if (vol == NULL) { 2154 i = strtol(volname, &tmp, 10); 2155 if (verb != volname && tmp[0] == 0) { 2156 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2157 if (vol->v_global_id == i) 2158 break; 2159 } 2160 } 2161 } 2162 if (vol == NULL) { 2163 gctl_error(req, "Volume '%s' not found.", volname); 2164 return (-3); 2165 } 2166 2167 /* Check if volume is still open. */ 2168 force = gctl_get_paraml(req, "force", sizeof(*force)); 2169 if (force != NULL && *force == 0 && 2170 vol->v_provider_open != 0) { 2171 gctl_error(req, "Volume is still open."); 2172 return (-4); 2173 } 2174 2175 /* Destroy volume and potentially node. */ 2176 i = 0; 2177 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next) 2178 i++; 2179 if (i >= 2) { 2180 g_raid_destroy_volume(vol); 2181 g_raid_md_write_intel(md, NULL, NULL, NULL); 2182 } else { 2183 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2184 if (disk->d_consumer) 2185 intel_meta_erase(disk->d_consumer); 2186 } 2187 g_raid_destroy_node(sc, 0); 2188 } 2189 return (0); 2190 } 2191 if (strcmp(verb, "remove") == 0 || 2192 strcmp(verb, "fail") == 0) { 2193 if (*nargs < 2) { 2194 gctl_error(req, "Invalid number of arguments."); 2195 return (-1); 2196 } 2197 for (i = 1; i < *nargs; i++) { 2198 snprintf(arg, sizeof(arg), "arg%d", i); 2199 diskname = gctl_get_asciiparam(req, arg); 2200 if (diskname == NULL) { 2201 gctl_error(req, "No disk name (%s).", arg); 2202 error = -2; 2203 break; 2204 } 2205 if (strncmp(diskname, _PATH_DEV, 5) == 0) 2206 diskname += 5; 2207 2208 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2209 if (disk->d_consumer != NULL && 2210 disk->d_consumer->provider != NULL && 2211 strcmp(disk->d_consumer->provider->name, 2212 diskname) == 0) 2213 break; 2214 } 2215 if (disk == NULL) { 2216 gctl_error(req, "Disk '%s' not found.", 2217 diskname); 2218 error = -3; 2219 break; 2220 } 2221 2222 if (strcmp(verb, "fail") == 0) { 2223 g_raid_md_fail_disk_intel(md, NULL, disk); 2224 continue; 2225 } 2226 2227 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2228 2229 /* Erase metadata on deleting disk. */ 2230 intel_meta_erase(disk->d_consumer); 2231 2232 /* If disk was assigned, just update statuses. */ 2233 if (pd->pd_disk_pos >= 0) { 2234 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 2235 g_raid_kill_consumer(sc, disk->d_consumer); 2236 disk->d_consumer = NULL; 2237 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 2238 g_raid_change_subdisk_state(sd, 2239 G_RAID_SUBDISK_S_NONE); 2240 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 2241 G_RAID_EVENT_SUBDISK); 2242 } 2243 } else { 2244 /* Otherwise -- delete. */ 2245 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 2246 g_raid_destroy_disk(disk); 2247 } 2248 } 2249 2250 /* Write updated metadata to remaining disks. */ 2251 g_raid_md_write_intel(md, NULL, NULL, NULL); 2252 2253 /* Check if anything left except placeholders. */ 2254 if (g_raid_ndisks(sc, -1) == 2255 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 2256 g_raid_destroy_node(sc, 0); 2257 else 2258 g_raid_md_intel_refill(sc); 2259 return (error); 2260 } 2261 if (strcmp(verb, "insert") == 0) { 2262 if (*nargs < 2) { 2263 gctl_error(req, "Invalid number of arguments."); 2264 return (-1); 2265 } 2266 update = 0; 2267 for (i = 1; i < *nargs; i++) { 2268 /* Get disk name. */ 2269 snprintf(arg, sizeof(arg), "arg%d", i); 2270 diskname = gctl_get_asciiparam(req, arg); 2271 if (diskname == NULL) { 2272 gctl_error(req, "No disk name (%s).", arg); 2273 error = -3; 2274 break; 2275 } 2276 2277 /* Try to find provider with specified name. */ 2278 g_topology_lock(); 2279 cp = g_raid_open_consumer(sc, diskname); 2280 if (cp == NULL) { 2281 gctl_error(req, "Can't open disk '%s'.", 2282 diskname); 2283 g_topology_unlock(); 2284 error = -4; 2285 break; 2286 } 2287 pp = cp->provider; 2288 g_topology_unlock(); 2289 2290 /* Read disk serial. */ 2291 error = g_raid_md_get_label(cp, 2292 &serial[0], INTEL_SERIAL_LEN); 2293 if (error != 0) { 2294 gctl_error(req, 2295 "Can't get serial for provider '%s'.", 2296 diskname); 2297 g_raid_kill_consumer(sc, cp); 2298 error = -7; 2299 break; 2300 } 2301 2302 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 2303 pd->pd_disk_pos = -1; 2304 2305 disk = g_raid_create_disk(sc); 2306 disk->d_consumer = cp; 2307 disk->d_md_data = (void *)pd; 2308 cp->private = disk; 2309 2310 g_raid_get_disk_info(disk); 2311 2312 memcpy(&pd->pd_disk_meta.serial[0], &serial[0], 2313 INTEL_SERIAL_LEN); 2314 intel_set_disk_sectors(&pd->pd_disk_meta, 2315 pp->mediasize / pp->sectorsize); 2316 pd->pd_disk_meta.id = 0; 2317 pd->pd_disk_meta.flags = INTEL_F_SPARE; 2318 2319 /* Welcome the "new" disk. */ 2320 update += g_raid_md_intel_start_disk(disk); 2321 if (disk->d_state == G_RAID_DISK_S_SPARE) { 2322 intel_meta_write_spare(cp, &pd->pd_disk_meta); 2323 g_raid_destroy_disk(disk); 2324 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 2325 gctl_error(req, "Disk '%s' doesn't fit.", 2326 diskname); 2327 g_raid_destroy_disk(disk); 2328 error = -8; 2329 break; 2330 } 2331 } 2332 2333 /* Write new metadata if we changed something. */ 2334 if (update) 2335 g_raid_md_write_intel(md, NULL, NULL, NULL); 2336 return (error); 2337 } 2338 return (-100); 2339 } 2340 2341 static int 2342 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol, 2343 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2344 { 2345 struct g_raid_softc *sc; 2346 struct g_raid_volume *vol; 2347 struct g_raid_subdisk *sd; 2348 struct g_raid_disk *disk; 2349 struct g_raid_md_intel_object *mdi; 2350 struct g_raid_md_intel_pervolume *pv; 2351 struct g_raid_md_intel_perdisk *pd; 2352 struct intel_raid_conf *meta; 2353 struct intel_raid_vol *mvol; 2354 struct intel_raid_map *mmap0, *mmap1; 2355 off_t sectorsize = 512, pos; 2356 const char *version, *cv; 2357 int vi, sdi, numdisks, len, state, stale; 2358 2359 sc = md->mdo_softc; 2360 mdi = (struct g_raid_md_intel_object *)md; 2361 2362 if (sc->sc_stopping == G_RAID_DESTROY_HARD) 2363 return (0); 2364 2365 /* Bump generation. Newly written metadata may differ from previous. */ 2366 mdi->mdio_generation++; 2367 2368 /* Count number of disks. */ 2369 numdisks = 0; 2370 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2371 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2372 if (pd->pd_disk_pos < 0) 2373 continue; 2374 numdisks++; 2375 if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 2376 pd->pd_disk_meta.flags = 2377 INTEL_F_ONLINE | INTEL_F_ASSIGNED; 2378 } else if (disk->d_state == G_RAID_DISK_S_FAILED) { 2379 pd->pd_disk_meta.flags = INTEL_F_FAILED | 2380 INTEL_F_ASSIGNED; 2381 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) { 2382 pd->pd_disk_meta.flags = INTEL_F_FAILED | 2383 INTEL_F_ASSIGNED | INTEL_F_DISABLED; 2384 } else { 2385 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) 2386 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 2387 if (pd->pd_disk_meta.id != 0xffffffff) { 2388 pd->pd_disk_meta.id = 0xffffffff; 2389 len = strlen(pd->pd_disk_meta.serial); 2390 len = min(len, INTEL_SERIAL_LEN - 3); 2391 strcpy(pd->pd_disk_meta.serial + len, ":0"); 2392 } 2393 } 2394 } 2395 2396 /* Fill anchor and disks. */ 2397 meta = malloc(INTEL_MAX_MD_SIZE(numdisks), 2398 M_MD_INTEL, M_WAITOK | M_ZERO); 2399 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 2400 meta->config_size = INTEL_MAX_MD_SIZE(numdisks); 2401 meta->config_id = mdi->mdio_config_id; 2402 meta->orig_config_id = mdi->mdio_orig_config_id; 2403 meta->generation = mdi->mdio_generation; 2404 meta->attributes = INTEL_ATTR_CHECKSUM; 2405 meta->total_disks = numdisks; 2406 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2407 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2408 if (pd->pd_disk_pos < 0) 2409 continue; 2410 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta; 2411 if (pd->pd_disk_meta.sectors_hi != 0) 2412 meta->attributes |= INTEL_ATTR_2TB_DISK; 2413 } 2414 2415 /* Fill volumes and maps. */ 2416 vi = 0; 2417 version = INTEL_VERSION_1000; 2418 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2419 pv = vol->v_md_data; 2420 if (vol->v_stopping) 2421 continue; 2422 mvol = intel_get_volume(meta, vi); 2423 2424 /* New metadata may have different volumes order. */ 2425 pv->pv_volume_pos = vi; 2426 2427 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2428 sd = &vol->v_subdisks[sdi]; 2429 if (sd->sd_disk != NULL) 2430 break; 2431 } 2432 if (sdi >= vol->v_disks_count) 2433 panic("No any filled subdisk in volume"); 2434 if (vol->v_mediasize >= 0x20000000000llu) 2435 meta->attributes |= INTEL_ATTR_2TB; 2436 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2437 meta->attributes |= INTEL_ATTR_RAID0; 2438 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2439 meta->attributes |= INTEL_ATTR_RAID1; 2440 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2441 meta->attributes |= INTEL_ATTR_RAID5; 2442 else if ((vol->v_disks_count & 1) == 0) 2443 meta->attributes |= INTEL_ATTR_RAID10; 2444 else 2445 meta->attributes |= INTEL_ATTR_RAID1E; 2446 if (pv->pv_cng) 2447 meta->attributes |= INTEL_ATTR_RAIDCNG; 2448 if (vol->v_strip_size > 131072) 2449 meta->attributes |= INTEL_ATTR_EXT_STRIP; 2450 2451 if (pv->pv_cng) 2452 cv = INTEL_VERSION_1206; 2453 else if (vol->v_disks_count > 4) 2454 cv = INTEL_VERSION_1204; 2455 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2456 cv = INTEL_VERSION_1202; 2457 else if (vol->v_disks_count > 2) 2458 cv = INTEL_VERSION_1201; 2459 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2460 cv = INTEL_VERSION_1100; 2461 else 2462 cv = INTEL_VERSION_1000; 2463 if (strcmp(cv, version) > 0) 2464 version = cv; 2465 2466 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name)); 2467 mvol->total_sectors = vol->v_mediasize / sectorsize; 2468 mvol->state = (INTEL_ST_READ_COALESCING | 2469 INTEL_ST_WRITE_COALESCING); 2470 mvol->tid = vol->v_global_id + 1; 2471 if (pv->pv_cng) { 2472 mvol->state |= INTEL_ST_CLONE_N_GO; 2473 if (pv->pv_cng_man_sync) 2474 mvol->state |= INTEL_ST_CLONE_MAN_SYNC; 2475 mvol->cng_master_disk = pv->pv_cng_master_disk; 2476 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state == 2477 G_RAID_SUBDISK_S_NONE) 2478 mvol->cng_state = INTEL_CNGST_MASTER_MISSING; 2479 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL) 2480 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE; 2481 else 2482 mvol->cng_state = INTEL_CNGST_UPDATED; 2483 } 2484 2485 /* Check for any recovery in progress. */ 2486 state = G_RAID_SUBDISK_S_ACTIVE; 2487 pos = 0x7fffffffffffffffllu; 2488 stale = 0; 2489 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2490 sd = &vol->v_subdisks[sdi]; 2491 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) 2492 state = G_RAID_SUBDISK_S_REBUILD; 2493 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC && 2494 state != G_RAID_SUBDISK_S_REBUILD) 2495 state = G_RAID_SUBDISK_S_RESYNC; 2496 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE) 2497 stale = 1; 2498 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2499 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) && 2500 sd->sd_rebuild_pos < pos) 2501 pos = sd->sd_rebuild_pos; 2502 } 2503 if (state == G_RAID_SUBDISK_S_REBUILD) { 2504 mvol->migr_state = 1; 2505 mvol->migr_type = INTEL_MT_REBUILD; 2506 } else if (state == G_RAID_SUBDISK_S_RESYNC) { 2507 mvol->migr_state = 1; 2508 /* mvol->migr_type = INTEL_MT_REPAIR; */ 2509 mvol->migr_type = INTEL_MT_VERIFY; 2510 mvol->state |= INTEL_ST_VERIFY_AND_FIX; 2511 } else 2512 mvol->migr_state = 0; 2513 mvol->dirty = (vol->v_dirty || stale); 2514 2515 mmap0 = intel_get_map(mvol, 0); 2516 2517 /* Write map / common part of two maps. */ 2518 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize); 2519 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize); 2520 mmap0->strip_sectors = vol->v_strip_size / sectorsize; 2521 if (vol->v_state == G_RAID_VOLUME_S_BROKEN) 2522 mmap0->status = INTEL_S_FAILURE; 2523 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED) 2524 mmap0->status = INTEL_S_DEGRADED; 2525 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED) 2526 == g_raid_nsubdisks(vol, -1)) 2527 mmap0->status = INTEL_S_UNINITIALIZED; 2528 else 2529 mmap0->status = INTEL_S_READY; 2530 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2531 mmap0->type = INTEL_T_RAID0; 2532 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 2533 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2534 mmap0->type = INTEL_T_RAID1; 2535 else 2536 mmap0->type = INTEL_T_RAID5; 2537 mmap0->total_disks = vol->v_disks_count; 2538 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2539 mmap0->total_domains = vol->v_disks_count; 2540 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2541 mmap0->total_domains = 2; 2542 else 2543 mmap0->total_domains = 1; 2544 intel_set_map_stripe_count(mmap0, 2545 sd->sd_size / vol->v_strip_size / mmap0->total_domains); 2546 mmap0->failed_disk_num = 0xff; 2547 mmap0->ddf = 1; 2548 2549 /* If there are two maps - copy common and update. */ 2550 if (mvol->migr_state) { 2551 intel_set_vol_curr_migr_unit(mvol, 2552 pos / vol->v_strip_size / mmap0->total_domains); 2553 mmap1 = intel_get_map(mvol, 1); 2554 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map)); 2555 mmap0->status = INTEL_S_READY; 2556 } else 2557 mmap1 = NULL; 2558 2559 /* Write disk indexes and put rebuild flags. */ 2560 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2561 sd = &vol->v_subdisks[sdi]; 2562 pd = (struct g_raid_md_intel_perdisk *) 2563 sd->sd_disk->d_md_data; 2564 mmap0->disk_idx[sdi] = pd->pd_disk_pos; 2565 if (mvol->migr_state) 2566 mmap1->disk_idx[sdi] = pd->pd_disk_pos; 2567 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2568 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) { 2569 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2570 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE && 2571 sd->sd_state != G_RAID_SUBDISK_S_STALE && 2572 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) { 2573 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD; 2574 if (mvol->migr_state) 2575 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2576 } 2577 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE || 2578 sd->sd_state == G_RAID_SUBDISK_S_FAILED || 2579 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) && 2580 mmap0->failed_disk_num == 0xff) { 2581 mmap0->failed_disk_num = sdi; 2582 if (mvol->migr_state) 2583 mmap1->failed_disk_num = sdi; 2584 } 2585 } 2586 vi++; 2587 } 2588 meta->total_volumes = vi; 2589 if (vi > 1 || meta->attributes & 2590 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB)) 2591 version = INTEL_VERSION_1300; 2592 if (strcmp(version, INTEL_VERSION_1300) < 0) 2593 meta->attributes &= INTEL_ATTR_CHECKSUM; 2594 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1); 2595 2596 /* We are done. Print meta data and store them to disks. */ 2597 g_raid_md_intel_print(meta); 2598 if (mdi->mdio_meta != NULL) 2599 free(mdi->mdio_meta, M_MD_INTEL); 2600 mdi->mdio_meta = meta; 2601 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2602 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2603 if (disk->d_state != G_RAID_DISK_S_ACTIVE) 2604 continue; 2605 if (pd->pd_meta != NULL) { 2606 free(pd->pd_meta, M_MD_INTEL); 2607 pd->pd_meta = NULL; 2608 } 2609 pd->pd_meta = intel_meta_copy(meta); 2610 intel_meta_write(disk->d_consumer, meta); 2611 } 2612 return (0); 2613 } 2614 2615 static int 2616 g_raid_md_fail_disk_intel(struct g_raid_md_object *md, 2617 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2618 { 2619 struct g_raid_softc *sc; 2620 struct g_raid_md_intel_object *mdi; 2621 struct g_raid_md_intel_perdisk *pd; 2622 struct g_raid_subdisk *sd; 2623 2624 sc = md->mdo_softc; 2625 mdi = (struct g_raid_md_intel_object *)md; 2626 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data; 2627 2628 /* We can't fail disk that is not a part of array now. */ 2629 if (pd->pd_disk_pos < 0) 2630 return (-1); 2631 2632 /* 2633 * Mark disk as failed in metadata and try to write that metadata 2634 * to the disk itself to prevent it's later resurrection as STALE. 2635 */ 2636 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED; 2637 pd->pd_disk_meta.flags = INTEL_F_FAILED; 2638 g_raid_md_intel_print(mdi->mdio_meta); 2639 if (tdisk->d_consumer) 2640 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta); 2641 2642 /* Change states. */ 2643 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 2644 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 2645 g_raid_change_subdisk_state(sd, 2646 G_RAID_SUBDISK_S_FAILED); 2647 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 2648 G_RAID_EVENT_SUBDISK); 2649 } 2650 2651 /* Write updated metadata to remaining disks. */ 2652 g_raid_md_write_intel(md, NULL, NULL, tdisk); 2653 2654 /* Check if anything left except placeholders. */ 2655 if (g_raid_ndisks(sc, -1) == 2656 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 2657 g_raid_destroy_node(sc, 0); 2658 else 2659 g_raid_md_intel_refill(sc); 2660 return (0); 2661 } 2662 2663 static int 2664 g_raid_md_free_disk_intel(struct g_raid_md_object *md, 2665 struct g_raid_disk *disk) 2666 { 2667 struct g_raid_md_intel_perdisk *pd; 2668 2669 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2670 if (pd->pd_meta != NULL) { 2671 free(pd->pd_meta, M_MD_INTEL); 2672 pd->pd_meta = NULL; 2673 } 2674 free(pd, M_MD_INTEL); 2675 disk->d_md_data = NULL; 2676 return (0); 2677 } 2678 2679 static int 2680 g_raid_md_free_volume_intel(struct g_raid_md_object *md, 2681 struct g_raid_volume *vol) 2682 { 2683 struct g_raid_md_intel_pervolume *pv; 2684 2685 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data; 2686 free(pv, M_MD_INTEL); 2687 vol->v_md_data = NULL; 2688 return (0); 2689 } 2690 2691 static int 2692 g_raid_md_free_intel(struct g_raid_md_object *md) 2693 { 2694 struct g_raid_md_intel_object *mdi; 2695 2696 mdi = (struct g_raid_md_intel_object *)md; 2697 if (!mdi->mdio_started) { 2698 mdi->mdio_started = 0; 2699 callout_stop(&mdi->mdio_start_co); 2700 G_RAID_DEBUG1(1, md->mdo_softc, 2701 "root_mount_rel %p", mdi->mdio_rootmount); 2702 root_mount_rel(mdi->mdio_rootmount); 2703 mdi->mdio_rootmount = NULL; 2704 } 2705 if (mdi->mdio_meta != NULL) { 2706 free(mdi->mdio_meta, M_MD_INTEL); 2707 mdi->mdio_meta = NULL; 2708 } 2709 return (0); 2710 } 2711 2712 G_RAID_MD_DECLARE(intel, "Intel"); 2713