1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 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/cdefs.h> 31 __FBSDID("$FreeBSD$"); 32 33 #include <sys/param.h> 34 #include <sys/bio.h> 35 #include <sys/endian.h> 36 #include <sys/kernel.h> 37 #include <sys/kobj.h> 38 #include <sys/limits.h> 39 #include <sys/lock.h> 40 #include <sys/malloc.h> 41 #include <sys/mutex.h> 42 #include <sys/systm.h> 43 #include <sys/taskqueue.h> 44 #include <sys/disk.h> 45 #include <geom/geom.h> 46 #include <geom/geom_dbg.h> 47 #include "geom/raid/g_raid.h" 48 #include "g_raid_md_if.h" 49 50 static MALLOC_DEFINE(M_MD_INTEL, "md_intel_data", "GEOM_RAID Intel metadata"); 51 52 struct intel_raid_map { 53 uint32_t offset; 54 uint32_t disk_sectors; 55 uint32_t stripe_count; 56 uint16_t strip_sectors; 57 uint8_t status; 58 #define INTEL_S_READY 0x00 59 #define INTEL_S_UNINITIALIZED 0x01 60 #define INTEL_S_DEGRADED 0x02 61 #define INTEL_S_FAILURE 0x03 62 63 uint8_t type; 64 #define INTEL_T_RAID0 0x00 65 #define INTEL_T_RAID1 0x01 66 #define INTEL_T_RAID5 0x05 67 68 uint8_t total_disks; 69 uint8_t total_domains; 70 uint8_t failed_disk_num; 71 uint8_t ddf; 72 uint32_t offset_hi; 73 uint32_t disk_sectors_hi; 74 uint32_t stripe_count_hi; 75 uint32_t filler_2[4]; 76 uint32_t disk_idx[1]; /* total_disks entries. */ 77 #define INTEL_DI_IDX 0x00ffffff 78 #define INTEL_DI_RBLD 0x01000000 79 } __packed; 80 81 struct intel_raid_vol { 82 uint8_t name[16]; 83 u_int64_t total_sectors __packed; 84 uint32_t state; 85 #define INTEL_ST_BOOTABLE 0x00000001 86 #define INTEL_ST_BOOT_DEVICE 0x00000002 87 #define INTEL_ST_READ_COALESCING 0x00000004 88 #define INTEL_ST_WRITE_COALESCING 0x00000008 89 #define INTEL_ST_LAST_SHUTDOWN_DIRTY 0x00000010 90 #define INTEL_ST_HIDDEN_AT_BOOT 0x00000020 91 #define INTEL_ST_CURRENTLY_HIDDEN 0x00000040 92 #define INTEL_ST_VERIFY_AND_FIX 0x00000080 93 #define INTEL_ST_MAP_STATE_UNINIT 0x00000100 94 #define INTEL_ST_NO_AUTO_RECOVERY 0x00000200 95 #define INTEL_ST_CLONE_N_GO 0x00000400 96 #define INTEL_ST_CLONE_MAN_SYNC 0x00000800 97 #define INTEL_ST_CNG_MASTER_DISK_NUM 0x00001000 98 uint32_t reserved; 99 uint8_t migr_priority; 100 uint8_t num_sub_vols; 101 uint8_t tid; 102 uint8_t cng_master_disk; 103 uint16_t cache_policy; 104 uint8_t cng_state; 105 #define INTEL_CNGST_UPDATED 0 106 #define INTEL_CNGST_NEEDS_UPDATE 1 107 #define INTEL_CNGST_MASTER_MISSING 2 108 uint8_t cng_sub_state; 109 uint32_t filler_0[10]; 110 111 uint32_t curr_migr_unit; 112 uint32_t checkpoint_id; 113 uint8_t migr_state; 114 uint8_t migr_type; 115 #define INTEL_MT_INIT 0 116 #define INTEL_MT_REBUILD 1 117 #define INTEL_MT_VERIFY 2 118 #define INTEL_MT_GEN_MIGR 3 119 #define INTEL_MT_STATE_CHANGE 4 120 #define INTEL_MT_REPAIR 5 121 uint8_t dirty; 122 uint8_t fs_state; 123 uint16_t verify_errors; 124 uint16_t bad_blocks; 125 uint32_t curr_migr_unit_hi; 126 uint32_t filler_1[3]; 127 struct intel_raid_map map[1]; /* 2 entries if migr_state != 0. */ 128 } __packed; 129 130 struct intel_raid_disk { 131 #define INTEL_SERIAL_LEN 16 132 uint8_t serial[INTEL_SERIAL_LEN]; 133 uint32_t sectors; 134 uint32_t id; 135 uint32_t flags; 136 #define INTEL_F_SPARE 0x01 137 #define INTEL_F_ASSIGNED 0x02 138 #define INTEL_F_FAILED 0x04 139 #define INTEL_F_ONLINE 0x08 140 #define INTEL_F_DISABLED 0x80 141 uint32_t owner_cfg_num; 142 uint32_t sectors_hi; 143 uint32_t filler[3]; 144 } __packed; 145 146 struct intel_raid_conf { 147 uint8_t intel_id[24]; 148 #define INTEL_MAGIC "Intel Raid ISM Cfg Sig. " 149 150 uint8_t version[6]; 151 #define INTEL_VERSION_1000 "1.0.00" /* RAID0 */ 152 #define INTEL_VERSION_1100 "1.1.00" /* RAID1 */ 153 #define INTEL_VERSION_1200 "1.2.00" /* Many volumes */ 154 #define INTEL_VERSION_1201 "1.2.01" /* 3 or 4 disks */ 155 #define INTEL_VERSION_1202 "1.2.02" /* RAID5 */ 156 #define INTEL_VERSION_1204 "1.2.04" /* 5 or 6 disks */ 157 #define INTEL_VERSION_1206 "1.2.06" /* CNG */ 158 #define INTEL_VERSION_1300 "1.3.00" /* Attributes */ 159 160 uint8_t dummy_0[2]; 161 uint32_t checksum; 162 uint32_t config_size; 163 uint32_t config_id; 164 uint32_t generation; 165 uint32_t error_log_size; 166 uint32_t attributes; 167 #define INTEL_ATTR_RAID0 0x00000001 168 #define INTEL_ATTR_RAID1 0x00000002 169 #define INTEL_ATTR_RAID10 0x00000004 170 #define INTEL_ATTR_RAID1E 0x00000008 171 #define INTEL_ATTR_RAID5 0x00000010 172 #define INTEL_ATTR_RAIDCNG 0x00000020 173 #define INTEL_ATTR_EXT_STRIP 0x00000040 174 #define INTEL_ATTR_NVM_CACHE 0x02000000 175 #define INTEL_ATTR_2TB_DISK 0x04000000 176 #define INTEL_ATTR_BBM 0x08000000 177 #define INTEL_ATTR_NVM_CACHE2 0x10000000 178 #define INTEL_ATTR_2TB 0x20000000 179 #define INTEL_ATTR_PM 0x40000000 180 #define INTEL_ATTR_CHECKSUM 0x80000000 181 182 uint8_t total_disks; 183 uint8_t total_volumes; 184 uint8_t error_log_pos; 185 uint8_t dummy_2[1]; 186 uint32_t cache_size; 187 uint32_t orig_config_id; 188 uint32_t pwr_cycle_count; 189 uint32_t bbm_log_size; 190 uint32_t filler_0[35]; 191 struct intel_raid_disk disk[1]; /* total_disks entries. */ 192 /* Here goes total_volumes of struct intel_raid_vol. */ 193 } __packed; 194 195 #define INTEL_ATTR_SUPPORTED ( INTEL_ATTR_RAID0 | INTEL_ATTR_RAID1 | \ 196 INTEL_ATTR_RAID10 | INTEL_ATTR_RAID1E | INTEL_ATTR_RAID5 | \ 197 INTEL_ATTR_RAIDCNG | INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | \ 198 INTEL_ATTR_2TB | INTEL_ATTR_PM | INTEL_ATTR_CHECKSUM ) 199 200 #define INTEL_MAX_MD_SIZE(ndisks) \ 201 (sizeof(struct intel_raid_conf) + \ 202 sizeof(struct intel_raid_disk) * (ndisks - 1) + \ 203 sizeof(struct intel_raid_vol) * 2 + \ 204 sizeof(struct intel_raid_map) * 2 + \ 205 sizeof(uint32_t) * (ndisks - 1) * 4) 206 207 struct g_raid_md_intel_perdisk { 208 struct intel_raid_conf *pd_meta; 209 int pd_disk_pos; 210 struct intel_raid_disk pd_disk_meta; 211 }; 212 213 struct g_raid_md_intel_pervolume { 214 int pv_volume_pos; 215 int pv_cng; 216 int pv_cng_man_sync; 217 int pv_cng_master_disk; 218 }; 219 220 struct g_raid_md_intel_object { 221 struct g_raid_md_object mdio_base; 222 uint32_t mdio_config_id; 223 uint32_t mdio_orig_config_id; 224 uint32_t mdio_generation; 225 struct intel_raid_conf *mdio_meta; 226 struct callout mdio_start_co; /* STARTING state timer. */ 227 int mdio_disks_present; 228 int mdio_started; 229 int mdio_incomplete; 230 struct root_hold_token *mdio_rootmount; /* Root mount delay token. */ 231 }; 232 233 static g_raid_md_create_t g_raid_md_create_intel; 234 static g_raid_md_taste_t g_raid_md_taste_intel; 235 static g_raid_md_event_t g_raid_md_event_intel; 236 static g_raid_md_ctl_t g_raid_md_ctl_intel; 237 static g_raid_md_write_t g_raid_md_write_intel; 238 static g_raid_md_fail_disk_t g_raid_md_fail_disk_intel; 239 static g_raid_md_free_disk_t g_raid_md_free_disk_intel; 240 static g_raid_md_free_volume_t g_raid_md_free_volume_intel; 241 static g_raid_md_free_t g_raid_md_free_intel; 242 243 static kobj_method_t g_raid_md_intel_methods[] = { 244 KOBJMETHOD(g_raid_md_create, g_raid_md_create_intel), 245 KOBJMETHOD(g_raid_md_taste, g_raid_md_taste_intel), 246 KOBJMETHOD(g_raid_md_event, g_raid_md_event_intel), 247 KOBJMETHOD(g_raid_md_ctl, g_raid_md_ctl_intel), 248 KOBJMETHOD(g_raid_md_write, g_raid_md_write_intel), 249 KOBJMETHOD(g_raid_md_fail_disk, g_raid_md_fail_disk_intel), 250 KOBJMETHOD(g_raid_md_free_disk, g_raid_md_free_disk_intel), 251 KOBJMETHOD(g_raid_md_free_volume, g_raid_md_free_volume_intel), 252 KOBJMETHOD(g_raid_md_free, g_raid_md_free_intel), 253 { 0, 0 } 254 }; 255 256 static struct g_raid_md_class g_raid_md_intel_class = { 257 "Intel", 258 g_raid_md_intel_methods, 259 sizeof(struct g_raid_md_intel_object), 260 .mdc_enable = 1, 261 .mdc_priority = 100 262 }; 263 264 static struct intel_raid_map * 265 intel_get_map(struct intel_raid_vol *mvol, int i) 266 { 267 struct intel_raid_map *mmap; 268 269 if (i > (mvol->migr_state ? 1 : 0)) 270 return (NULL); 271 mmap = &mvol->map[0]; 272 for (; i > 0; i--) { 273 mmap = (struct intel_raid_map *) 274 &mmap->disk_idx[mmap->total_disks]; 275 } 276 return ((struct intel_raid_map *)mmap); 277 } 278 279 static struct intel_raid_vol * 280 intel_get_volume(struct intel_raid_conf *meta, int i) 281 { 282 struct intel_raid_vol *mvol; 283 struct intel_raid_map *mmap; 284 285 if (i > 1) 286 return (NULL); 287 mvol = (struct intel_raid_vol *)&meta->disk[meta->total_disks]; 288 for (; i > 0; i--) { 289 mmap = intel_get_map(mvol, mvol->migr_state ? 1 : 0); 290 mvol = (struct intel_raid_vol *) 291 &mmap->disk_idx[mmap->total_disks]; 292 } 293 return (mvol); 294 } 295 296 static off_t 297 intel_get_map_offset(struct intel_raid_map *mmap) 298 { 299 off_t offset = (off_t)mmap->offset_hi << 32; 300 301 offset += mmap->offset; 302 return (offset); 303 } 304 305 static void 306 intel_set_map_offset(struct intel_raid_map *mmap, off_t offset) 307 { 308 309 mmap->offset = offset & 0xffffffff; 310 mmap->offset_hi = offset >> 32; 311 } 312 313 static off_t 314 intel_get_map_disk_sectors(struct intel_raid_map *mmap) 315 { 316 off_t disk_sectors = (off_t)mmap->disk_sectors_hi << 32; 317 318 disk_sectors += mmap->disk_sectors; 319 return (disk_sectors); 320 } 321 322 static void 323 intel_set_map_disk_sectors(struct intel_raid_map *mmap, off_t disk_sectors) 324 { 325 326 mmap->disk_sectors = disk_sectors & 0xffffffff; 327 mmap->disk_sectors_hi = disk_sectors >> 32; 328 } 329 330 static void 331 intel_set_map_stripe_count(struct intel_raid_map *mmap, off_t stripe_count) 332 { 333 334 mmap->stripe_count = stripe_count & 0xffffffff; 335 mmap->stripe_count_hi = stripe_count >> 32; 336 } 337 338 static off_t 339 intel_get_disk_sectors(struct intel_raid_disk *disk) 340 { 341 off_t sectors = (off_t)disk->sectors_hi << 32; 342 343 sectors += disk->sectors; 344 return (sectors); 345 } 346 347 static void 348 intel_set_disk_sectors(struct intel_raid_disk *disk, off_t sectors) 349 { 350 351 disk->sectors = sectors & 0xffffffff; 352 disk->sectors_hi = sectors >> 32; 353 } 354 355 static off_t 356 intel_get_vol_curr_migr_unit(struct intel_raid_vol *vol) 357 { 358 off_t curr_migr_unit = (off_t)vol->curr_migr_unit_hi << 32; 359 360 curr_migr_unit += vol->curr_migr_unit; 361 return (curr_migr_unit); 362 } 363 364 static void 365 intel_set_vol_curr_migr_unit(struct intel_raid_vol *vol, off_t curr_migr_unit) 366 { 367 368 vol->curr_migr_unit = curr_migr_unit & 0xffffffff; 369 vol->curr_migr_unit_hi = curr_migr_unit >> 32; 370 } 371 372 static char * 373 intel_status2str(int status) 374 { 375 376 switch (status) { 377 case INTEL_S_READY: 378 return ("READY"); 379 case INTEL_S_UNINITIALIZED: 380 return ("UNINITIALIZED"); 381 case INTEL_S_DEGRADED: 382 return ("DEGRADED"); 383 case INTEL_S_FAILURE: 384 return ("FAILURE"); 385 default: 386 return ("UNKNOWN"); 387 } 388 } 389 390 static char * 391 intel_type2str(int type) 392 { 393 394 switch (type) { 395 case INTEL_T_RAID0: 396 return ("RAID0"); 397 case INTEL_T_RAID1: 398 return ("RAID1"); 399 case INTEL_T_RAID5: 400 return ("RAID5"); 401 default: 402 return ("UNKNOWN"); 403 } 404 } 405 406 static char * 407 intel_cngst2str(int cng_state) 408 { 409 410 switch (cng_state) { 411 case INTEL_CNGST_UPDATED: 412 return ("UPDATED"); 413 case INTEL_CNGST_NEEDS_UPDATE: 414 return ("NEEDS_UPDATE"); 415 case INTEL_CNGST_MASTER_MISSING: 416 return ("MASTER_MISSING"); 417 default: 418 return ("UNKNOWN"); 419 } 420 } 421 422 static char * 423 intel_mt2str(int type) 424 { 425 426 switch (type) { 427 case INTEL_MT_INIT: 428 return ("INIT"); 429 case INTEL_MT_REBUILD: 430 return ("REBUILD"); 431 case INTEL_MT_VERIFY: 432 return ("VERIFY"); 433 case INTEL_MT_GEN_MIGR: 434 return ("GEN_MIGR"); 435 case INTEL_MT_STATE_CHANGE: 436 return ("STATE_CHANGE"); 437 case INTEL_MT_REPAIR: 438 return ("REPAIR"); 439 default: 440 return ("UNKNOWN"); 441 } 442 } 443 444 static void 445 g_raid_md_intel_print(struct intel_raid_conf *meta) 446 { 447 struct intel_raid_vol *mvol; 448 struct intel_raid_map *mmap; 449 int i, j, k; 450 451 if (g_raid_debug < 1) 452 return; 453 454 printf("********* ATA Intel MatrixRAID Metadata *********\n"); 455 printf("intel_id <%.24s>\n", meta->intel_id); 456 printf("version <%.6s>\n", meta->version); 457 printf("checksum 0x%08x\n", meta->checksum); 458 printf("config_size 0x%08x\n", meta->config_size); 459 printf("config_id 0x%08x\n", meta->config_id); 460 printf("generation 0x%08x\n", meta->generation); 461 printf("error_log_size %d\n", meta->error_log_size); 462 printf("attributes 0x%b\n", meta->attributes, 463 "\020" 464 "\001RAID0" 465 "\002RAID1" 466 "\003RAID10" 467 "\004RAID1E" 468 "\005RAID15" 469 "\006RAIDCNG" 470 "\007EXT_STRIP" 471 "\032NVM_CACHE" 472 "\0332TB_DISK" 473 "\034BBM" 474 "\035NVM_CACHE" 475 "\0362TB" 476 "\037PM" 477 "\040CHECKSUM"); 478 printf("total_disks %u\n", meta->total_disks); 479 printf("total_volumes %u\n", meta->total_volumes); 480 printf("error_log_pos %u\n", meta->error_log_pos); 481 printf("cache_size %u\n", meta->cache_size); 482 printf("orig_config_id 0x%08x\n", meta->orig_config_id); 483 printf("pwr_cycle_count %u\n", meta->pwr_cycle_count); 484 printf("bbm_log_size %u\n", meta->bbm_log_size); 485 printf("Flags: S - Spare, A - Assigned, F - Failed, O - Online, D - Disabled\n"); 486 printf("DISK# serial disk_sectors disk_sectors_hi disk_id flags owner\n"); 487 for (i = 0; i < meta->total_disks; i++ ) { 488 printf(" %d <%.16s> %u %u 0x%08x 0x%b %08x\n", i, 489 meta->disk[i].serial, meta->disk[i].sectors, 490 meta->disk[i].sectors_hi, meta->disk[i].id, 491 meta->disk[i].flags, "\20\01S\02A\03F\04O\05D", 492 meta->disk[i].owner_cfg_num); 493 } 494 for (i = 0; i < meta->total_volumes; i++) { 495 mvol = intel_get_volume(meta, i); 496 printf(" ****** Volume %d ******\n", i); 497 printf(" name %.16s\n", mvol->name); 498 printf(" total_sectors %ju\n", mvol->total_sectors); 499 printf(" state 0x%b\n", mvol->state, 500 "\020" 501 "\001BOOTABLE" 502 "\002BOOT_DEVICE" 503 "\003READ_COALESCING" 504 "\004WRITE_COALESCING" 505 "\005LAST_SHUTDOWN_DIRTY" 506 "\006HIDDEN_AT_BOOT" 507 "\007CURRENTLY_HIDDEN" 508 "\010VERIFY_AND_FIX" 509 "\011MAP_STATE_UNINIT" 510 "\012NO_AUTO_RECOVERY" 511 "\013CLONE_N_GO" 512 "\014CLONE_MAN_SYNC" 513 "\015CNG_MASTER_DISK_NUM"); 514 printf(" reserved %u\n", mvol->reserved); 515 printf(" migr_priority %u\n", mvol->migr_priority); 516 printf(" num_sub_vols %u\n", mvol->num_sub_vols); 517 printf(" tid %u\n", mvol->tid); 518 printf(" cng_master_disk %u\n", mvol->cng_master_disk); 519 printf(" cache_policy %u\n", mvol->cache_policy); 520 printf(" cng_state %u (%s)\n", mvol->cng_state, 521 intel_cngst2str(mvol->cng_state)); 522 printf(" cng_sub_state %u\n", mvol->cng_sub_state); 523 printf(" curr_migr_unit %u\n", mvol->curr_migr_unit); 524 printf(" curr_migr_unit_hi %u\n", mvol->curr_migr_unit_hi); 525 printf(" checkpoint_id %u\n", mvol->checkpoint_id); 526 printf(" migr_state %u\n", mvol->migr_state); 527 printf(" migr_type %u (%s)\n", mvol->migr_type, 528 intel_mt2str(mvol->migr_type)); 529 printf(" dirty %u\n", mvol->dirty); 530 printf(" fs_state %u\n", mvol->fs_state); 531 printf(" verify_errors %u\n", mvol->verify_errors); 532 printf(" bad_blocks %u\n", mvol->bad_blocks); 533 534 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 535 printf(" *** Map %d ***\n", j); 536 mmap = intel_get_map(mvol, j); 537 printf(" offset %u\n", mmap->offset); 538 printf(" offset_hi %u\n", mmap->offset_hi); 539 printf(" disk_sectors %u\n", mmap->disk_sectors); 540 printf(" disk_sectors_hi %u\n", mmap->disk_sectors_hi); 541 printf(" stripe_count %u\n", mmap->stripe_count); 542 printf(" stripe_count_hi %u\n", mmap->stripe_count_hi); 543 printf(" strip_sectors %u\n", mmap->strip_sectors); 544 printf(" status %u (%s)\n", mmap->status, 545 intel_status2str(mmap->status)); 546 printf(" type %u (%s)\n", mmap->type, 547 intel_type2str(mmap->type)); 548 printf(" total_disks %u\n", mmap->total_disks); 549 printf(" total_domains %u\n", mmap->total_domains); 550 printf(" failed_disk_num %u\n", mmap->failed_disk_num); 551 printf(" ddf %u\n", mmap->ddf); 552 printf(" disk_idx "); 553 for (k = 0; k < mmap->total_disks; k++) 554 printf(" 0x%08x", mmap->disk_idx[k]); 555 printf("\n"); 556 } 557 } 558 printf("=================================================\n"); 559 } 560 561 static struct intel_raid_conf * 562 intel_meta_copy(struct intel_raid_conf *meta) 563 { 564 struct intel_raid_conf *nmeta; 565 566 nmeta = malloc(meta->config_size, M_MD_INTEL, M_WAITOK); 567 memcpy(nmeta, meta, meta->config_size); 568 return (nmeta); 569 } 570 571 static int 572 intel_meta_find_disk(struct intel_raid_conf *meta, char *serial) 573 { 574 int pos; 575 576 for (pos = 0; pos < meta->total_disks; pos++) { 577 if (strncmp(meta->disk[pos].serial, 578 serial, INTEL_SERIAL_LEN) == 0) 579 return (pos); 580 } 581 return (-1); 582 } 583 584 static struct intel_raid_conf * 585 intel_meta_read(struct g_consumer *cp) 586 { 587 struct g_provider *pp; 588 struct intel_raid_conf *meta; 589 struct intel_raid_vol *mvol; 590 struct intel_raid_map *mmap, *mmap1; 591 char *buf; 592 int error, i, j, k, left, size; 593 uint32_t checksum, *ptr; 594 595 pp = cp->provider; 596 597 /* Read the anchor sector. */ 598 buf = g_read_data(cp, 599 pp->mediasize - pp->sectorsize * 2, pp->sectorsize, &error); 600 if (buf == NULL) { 601 G_RAID_DEBUG(1, "Cannot read metadata from %s (error=%d).", 602 pp->name, error); 603 return (NULL); 604 } 605 meta = (struct intel_raid_conf *)buf; 606 607 /* Check if this is an Intel RAID struct */ 608 if (strncmp(meta->intel_id, INTEL_MAGIC, strlen(INTEL_MAGIC))) { 609 G_RAID_DEBUG(1, "Intel signature check failed on %s", pp->name); 610 g_free(buf); 611 return (NULL); 612 } 613 if (meta->config_size > 65536 || 614 meta->config_size < sizeof(struct intel_raid_conf)) { 615 G_RAID_DEBUG(1, "Intel metadata size looks wrong: %d", 616 meta->config_size); 617 g_free(buf); 618 return (NULL); 619 } 620 size = meta->config_size; 621 meta = malloc(size, M_MD_INTEL, M_WAITOK); 622 memcpy(meta, buf, min(size, pp->sectorsize)); 623 g_free(buf); 624 625 /* Read all the rest, if needed. */ 626 if (meta->config_size > pp->sectorsize) { 627 left = (meta->config_size - 1) / pp->sectorsize; 628 buf = g_read_data(cp, 629 pp->mediasize - pp->sectorsize * (2 + left), 630 pp->sectorsize * left, &error); 631 if (buf == NULL) { 632 G_RAID_DEBUG(1, "Cannot read remaining metadata" 633 " part from %s (error=%d).", 634 pp->name, error); 635 free(meta, M_MD_INTEL); 636 return (NULL); 637 } 638 memcpy(((char *)meta) + pp->sectorsize, buf, 639 pp->sectorsize * left); 640 g_free(buf); 641 } 642 643 /* Check metadata checksum. */ 644 for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 645 i < (meta->config_size / sizeof(uint32_t)); i++) { 646 checksum += *ptr++; 647 } 648 checksum -= meta->checksum; 649 if (checksum != meta->checksum) { 650 G_RAID_DEBUG(1, "Intel checksum check failed on %s", pp->name); 651 free(meta, M_MD_INTEL); 652 return (NULL); 653 } 654 655 /* Validate metadata size. */ 656 size = sizeof(struct intel_raid_conf) + 657 sizeof(struct intel_raid_disk) * (meta->total_disks - 1) + 658 sizeof(struct intel_raid_vol) * meta->total_volumes; 659 if (size > meta->config_size) { 660 badsize: 661 G_RAID_DEBUG(1, "Intel metadata size incorrect %d < %d", 662 meta->config_size, size); 663 free(meta, M_MD_INTEL); 664 return (NULL); 665 } 666 for (i = 0; i < meta->total_volumes; i++) { 667 mvol = intel_get_volume(meta, i); 668 mmap = intel_get_map(mvol, 0); 669 size += 4 * (mmap->total_disks - 1); 670 if (size > meta->config_size) 671 goto badsize; 672 if (mvol->migr_state) { 673 size += sizeof(struct intel_raid_map); 674 if (size > meta->config_size) 675 goto badsize; 676 mmap = intel_get_map(mvol, 1); 677 size += 4 * (mmap->total_disks - 1); 678 if (size > meta->config_size) 679 goto badsize; 680 } 681 } 682 683 g_raid_md_intel_print(meta); 684 685 if (strncmp(meta->version, INTEL_VERSION_1300, 6) > 0) { 686 G_RAID_DEBUG(1, "Intel unsupported version: '%.6s'", 687 meta->version); 688 free(meta, M_MD_INTEL); 689 return (NULL); 690 } 691 692 if (strncmp(meta->version, INTEL_VERSION_1300, 6) >= 0 && 693 (meta->attributes & ~INTEL_ATTR_SUPPORTED) != 0) { 694 G_RAID_DEBUG(1, "Intel unsupported attributes: 0x%08x", 695 meta->attributes & ~INTEL_ATTR_SUPPORTED); 696 free(meta, M_MD_INTEL); 697 return (NULL); 698 } 699 700 /* Validate disk indexes. */ 701 for (i = 0; i < meta->total_volumes; i++) { 702 mvol = intel_get_volume(meta, i); 703 for (j = 0; j < (mvol->migr_state ? 2 : 1); j++) { 704 mmap = intel_get_map(mvol, j); 705 for (k = 0; k < mmap->total_disks; k++) { 706 if ((mmap->disk_idx[k] & INTEL_DI_IDX) > 707 meta->total_disks) { 708 G_RAID_DEBUG(1, "Intel metadata disk" 709 " index %d too big (>%d)", 710 mmap->disk_idx[k] & INTEL_DI_IDX, 711 meta->total_disks); 712 free(meta, M_MD_INTEL); 713 return (NULL); 714 } 715 } 716 } 717 } 718 719 /* Validate migration types. */ 720 for (i = 0; i < meta->total_volumes; i++) { 721 mvol = intel_get_volume(meta, i); 722 /* Deny unknown migration types. */ 723 if (mvol->migr_state && 724 mvol->migr_type != INTEL_MT_INIT && 725 mvol->migr_type != INTEL_MT_REBUILD && 726 mvol->migr_type != INTEL_MT_VERIFY && 727 mvol->migr_type != INTEL_MT_GEN_MIGR && 728 mvol->migr_type != INTEL_MT_REPAIR) { 729 G_RAID_DEBUG(1, "Intel metadata has unsupported" 730 " migration type %d", mvol->migr_type); 731 free(meta, M_MD_INTEL); 732 return (NULL); 733 } 734 /* Deny general migrations except SINGLE->RAID1. */ 735 if (mvol->migr_state && 736 mvol->migr_type == INTEL_MT_GEN_MIGR) { 737 mmap = intel_get_map(mvol, 0); 738 mmap1 = intel_get_map(mvol, 1); 739 if (mmap1->total_disks != 1 || 740 mmap->type != INTEL_T_RAID1 || 741 mmap->total_disks != 2 || 742 mmap->offset != mmap1->offset || 743 mmap->disk_sectors != mmap1->disk_sectors || 744 mmap->total_domains != mmap->total_disks || 745 mmap->offset_hi != mmap1->offset_hi || 746 mmap->disk_sectors_hi != mmap1->disk_sectors_hi || 747 (mmap->disk_idx[0] != mmap1->disk_idx[0] && 748 mmap->disk_idx[0] != mmap1->disk_idx[1])) { 749 G_RAID_DEBUG(1, "Intel metadata has unsupported" 750 " variant of general migration"); 751 free(meta, M_MD_INTEL); 752 return (NULL); 753 } 754 } 755 } 756 757 return (meta); 758 } 759 760 static int 761 intel_meta_write(struct g_consumer *cp, struct intel_raid_conf *meta) 762 { 763 struct g_provider *pp; 764 char *buf; 765 int error, i, sectors; 766 uint32_t checksum, *ptr; 767 768 pp = cp->provider; 769 770 /* Recalculate checksum for case if metadata were changed. */ 771 meta->checksum = 0; 772 for (checksum = 0, ptr = (uint32_t *)meta, i = 0; 773 i < (meta->config_size / sizeof(uint32_t)); i++) { 774 checksum += *ptr++; 775 } 776 meta->checksum = checksum; 777 778 /* Create and fill buffer. */ 779 sectors = howmany(meta->config_size, pp->sectorsize); 780 buf = malloc(sectors * pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 781 if (sectors > 1) { 782 memcpy(buf, ((char *)meta) + pp->sectorsize, 783 (sectors - 1) * pp->sectorsize); 784 } 785 memcpy(buf + (sectors - 1) * pp->sectorsize, meta, pp->sectorsize); 786 787 error = g_write_data(cp, 788 pp->mediasize - pp->sectorsize * (1 + sectors), 789 buf, pp->sectorsize * sectors); 790 if (error != 0) { 791 G_RAID_DEBUG(1, "Cannot write metadata to %s (error=%d).", 792 pp->name, error); 793 } 794 795 free(buf, M_MD_INTEL); 796 return (error); 797 } 798 799 static int 800 intel_meta_erase(struct g_consumer *cp) 801 { 802 struct g_provider *pp; 803 char *buf; 804 int error; 805 806 pp = cp->provider; 807 buf = malloc(pp->sectorsize, M_MD_INTEL, M_WAITOK | M_ZERO); 808 error = g_write_data(cp, 809 pp->mediasize - 2 * pp->sectorsize, 810 buf, pp->sectorsize); 811 if (error != 0) { 812 G_RAID_DEBUG(1, "Cannot erase metadata on %s (error=%d).", 813 pp->name, error); 814 } 815 free(buf, M_MD_INTEL); 816 return (error); 817 } 818 819 static int 820 intel_meta_write_spare(struct g_consumer *cp, struct intel_raid_disk *d) 821 { 822 struct intel_raid_conf *meta; 823 int error; 824 825 /* Fill anchor and single disk. */ 826 meta = malloc(INTEL_MAX_MD_SIZE(1), M_MD_INTEL, M_WAITOK | M_ZERO); 827 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 828 memcpy(&meta->version[0], INTEL_VERSION_1000, 829 sizeof(INTEL_VERSION_1000) - 1); 830 meta->config_size = INTEL_MAX_MD_SIZE(1); 831 meta->config_id = meta->orig_config_id = arc4random(); 832 meta->generation = 1; 833 meta->total_disks = 1; 834 meta->disk[0] = *d; 835 error = intel_meta_write(cp, meta); 836 free(meta, M_MD_INTEL); 837 return (error); 838 } 839 840 static struct g_raid_disk * 841 g_raid_md_intel_get_disk(struct g_raid_softc *sc, int id) 842 { 843 struct g_raid_disk *disk; 844 struct g_raid_md_intel_perdisk *pd; 845 846 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 847 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 848 if (pd->pd_disk_pos == id) 849 break; 850 } 851 return (disk); 852 } 853 854 static int 855 g_raid_md_intel_supported(int level, int qual, int disks, int force) 856 { 857 858 switch (level) { 859 case G_RAID_VOLUME_RL_RAID0: 860 if (disks < 1) 861 return (0); 862 if (!force && (disks < 2 || disks > 6)) 863 return (0); 864 break; 865 case G_RAID_VOLUME_RL_RAID1: 866 if (disks < 1) 867 return (0); 868 if (!force && (disks != 2)) 869 return (0); 870 break; 871 case G_RAID_VOLUME_RL_RAID1E: 872 if (disks < 2) 873 return (0); 874 if (!force && (disks != 4)) 875 return (0); 876 break; 877 case G_RAID_VOLUME_RL_RAID5: 878 if (disks < 3) 879 return (0); 880 if (!force && disks > 6) 881 return (0); 882 if (qual != G_RAID_VOLUME_RLQ_R5LA) 883 return (0); 884 break; 885 default: 886 return (0); 887 } 888 if (level != G_RAID_VOLUME_RL_RAID5 && qual != G_RAID_VOLUME_RLQ_NONE) 889 return (0); 890 return (1); 891 } 892 893 static struct g_raid_volume * 894 g_raid_md_intel_get_volume(struct g_raid_softc *sc, int id) 895 { 896 struct g_raid_volume *mvol; 897 struct g_raid_md_intel_pervolume *pv; 898 899 TAILQ_FOREACH(mvol, &sc->sc_volumes, v_next) { 900 pv = mvol->v_md_data; 901 if (pv->pv_volume_pos == id) 902 break; 903 } 904 return (mvol); 905 } 906 907 static int 908 g_raid_md_intel_start_disk(struct g_raid_disk *disk) 909 { 910 struct g_raid_softc *sc; 911 struct g_raid_subdisk *sd, *tmpsd; 912 struct g_raid_disk *olddisk, *tmpdisk; 913 struct g_raid_md_object *md; 914 struct g_raid_md_intel_object *mdi; 915 struct g_raid_md_intel_pervolume *pv; 916 struct g_raid_md_intel_perdisk *pd, *oldpd; 917 struct intel_raid_conf *meta; 918 struct intel_raid_vol *mvol; 919 struct intel_raid_map *mmap0, *mmap1; 920 int disk_pos, resurrection = 0, migr_global, i; 921 922 sc = disk->d_softc; 923 md = sc->sc_md; 924 mdi = (struct g_raid_md_intel_object *)md; 925 meta = mdi->mdio_meta; 926 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 927 olddisk = NULL; 928 929 /* Find disk position in metadata by its serial. */ 930 disk_pos = intel_meta_find_disk(meta, pd->pd_disk_meta.serial); 931 if (disk_pos < 0) { 932 G_RAID_DEBUG1(1, sc, "Unknown, probably new or stale disk"); 933 /* Failed stale disk is useless for us. */ 934 if ((pd->pd_disk_meta.flags & INTEL_F_FAILED) && 935 !(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) { 936 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE_FAILED); 937 return (0); 938 } 939 /* If we are in the start process, that's all for now. */ 940 if (!mdi->mdio_started) 941 goto nofit; 942 /* 943 * If we have already started - try to get use of the disk. 944 * Try to replace OFFLINE disks first, then FAILED. 945 */ 946 TAILQ_FOREACH(tmpdisk, &sc->sc_disks, d_next) { 947 if (tmpdisk->d_state != G_RAID_DISK_S_OFFLINE && 948 tmpdisk->d_state != G_RAID_DISK_S_FAILED) 949 continue; 950 /* Make sure this disk is big enough. */ 951 TAILQ_FOREACH(sd, &tmpdisk->d_subdisks, sd_next) { 952 off_t disk_sectors = 953 intel_get_disk_sectors(&pd->pd_disk_meta); 954 955 if (sd->sd_offset + sd->sd_size + 4096 > 956 disk_sectors * 512) { 957 G_RAID_DEBUG1(1, sc, 958 "Disk too small (%llu < %llu)", 959 (unsigned long long) 960 disk_sectors * 512, 961 (unsigned long long) 962 sd->sd_offset + sd->sd_size + 4096); 963 break; 964 } 965 } 966 if (sd != NULL) 967 continue; 968 if (tmpdisk->d_state == G_RAID_DISK_S_OFFLINE) { 969 olddisk = tmpdisk; 970 break; 971 } else if (olddisk == NULL) 972 olddisk = tmpdisk; 973 } 974 if (olddisk == NULL) { 975 nofit: 976 if (pd->pd_disk_meta.flags & INTEL_F_SPARE) { 977 g_raid_change_disk_state(disk, 978 G_RAID_DISK_S_SPARE); 979 return (1); 980 } else { 981 g_raid_change_disk_state(disk, 982 G_RAID_DISK_S_STALE); 983 return (0); 984 } 985 } 986 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 987 disk_pos = oldpd->pd_disk_pos; 988 resurrection = 1; 989 } 990 991 if (olddisk == NULL) { 992 /* Find placeholder by position. */ 993 olddisk = g_raid_md_intel_get_disk(sc, disk_pos); 994 if (olddisk == NULL) 995 panic("No disk at position %d!", disk_pos); 996 if (olddisk->d_state != G_RAID_DISK_S_OFFLINE) { 997 G_RAID_DEBUG1(1, sc, "More than one disk for pos %d", 998 disk_pos); 999 g_raid_change_disk_state(disk, G_RAID_DISK_S_STALE); 1000 return (0); 1001 } 1002 oldpd = (struct g_raid_md_intel_perdisk *)olddisk->d_md_data; 1003 } 1004 1005 /* Replace failed disk or placeholder with new disk. */ 1006 TAILQ_FOREACH_SAFE(sd, &olddisk->d_subdisks, sd_next, tmpsd) { 1007 TAILQ_REMOVE(&olddisk->d_subdisks, sd, sd_next); 1008 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1009 sd->sd_disk = disk; 1010 } 1011 oldpd->pd_disk_pos = -2; 1012 pd->pd_disk_pos = disk_pos; 1013 1014 /* If it was placeholder -- destroy it. */ 1015 if (olddisk->d_state == G_RAID_DISK_S_OFFLINE) { 1016 g_raid_destroy_disk(olddisk); 1017 } else { 1018 /* Otherwise, make it STALE_FAILED. */ 1019 g_raid_change_disk_state(olddisk, G_RAID_DISK_S_STALE_FAILED); 1020 /* Update global metadata just in case. */ 1021 memcpy(&meta->disk[disk_pos], &pd->pd_disk_meta, 1022 sizeof(struct intel_raid_disk)); 1023 } 1024 1025 /* Welcome the new disk. */ 1026 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) && 1027 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) 1028 g_raid_change_disk_state(disk, G_RAID_DISK_S_DISABLED); 1029 else if (resurrection) 1030 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 1031 else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) 1032 g_raid_change_disk_state(disk, G_RAID_DISK_S_FAILED); 1033 else if (meta->disk[disk_pos].flags & INTEL_F_SPARE) 1034 g_raid_change_disk_state(disk, G_RAID_DISK_S_SPARE); 1035 else 1036 g_raid_change_disk_state(disk, G_RAID_DISK_S_ACTIVE); 1037 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1038 pv = sd->sd_volume->v_md_data; 1039 mvol = intel_get_volume(meta, pv->pv_volume_pos); 1040 mmap0 = intel_get_map(mvol, 0); 1041 if (mvol->migr_state) 1042 mmap1 = intel_get_map(mvol, 1); 1043 else 1044 mmap1 = mmap0; 1045 1046 migr_global = 1; 1047 for (i = 0; i < mmap0->total_disks; i++) { 1048 if ((mmap0->disk_idx[i] & INTEL_DI_RBLD) == 0 && 1049 (mmap1->disk_idx[i] & INTEL_DI_RBLD) != 0) 1050 migr_global = 0; 1051 } 1052 1053 if ((meta->disk[disk_pos].flags & INTEL_F_DISABLED) && 1054 !(pd->pd_disk_meta.flags & INTEL_F_SPARE)) { 1055 /* Disabled disk, useless. */ 1056 g_raid_change_subdisk_state(sd, 1057 G_RAID_SUBDISK_S_NONE); 1058 } else if (resurrection) { 1059 /* Stale disk, almost same as new. */ 1060 g_raid_change_subdisk_state(sd, 1061 G_RAID_SUBDISK_S_NEW); 1062 } else if (meta->disk[disk_pos].flags & INTEL_F_FAILED) { 1063 /* Failed disk, almost useless. */ 1064 g_raid_change_subdisk_state(sd, 1065 G_RAID_SUBDISK_S_FAILED); 1066 } else if (mvol->migr_state == 0) { 1067 if (mmap0->status == INTEL_S_UNINITIALIZED && 1068 (!pv->pv_cng || pv->pv_cng_master_disk != disk_pos)) { 1069 /* Freshly created uninitialized volume. */ 1070 g_raid_change_subdisk_state(sd, 1071 G_RAID_SUBDISK_S_UNINITIALIZED); 1072 } else if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1073 /* Freshly inserted disk. */ 1074 g_raid_change_subdisk_state(sd, 1075 G_RAID_SUBDISK_S_NEW); 1076 } else if (mvol->dirty && (!pv->pv_cng || 1077 pv->pv_cng_master_disk != disk_pos)) { 1078 /* Dirty volume (unclean shutdown). */ 1079 g_raid_change_subdisk_state(sd, 1080 G_RAID_SUBDISK_S_STALE); 1081 } else { 1082 /* Up to date disk. */ 1083 g_raid_change_subdisk_state(sd, 1084 G_RAID_SUBDISK_S_ACTIVE); 1085 } 1086 } else if (mvol->migr_type == INTEL_MT_INIT || 1087 mvol->migr_type == INTEL_MT_REBUILD) { 1088 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1089 /* Freshly inserted disk. */ 1090 g_raid_change_subdisk_state(sd, 1091 G_RAID_SUBDISK_S_NEW); 1092 } else if (mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1093 /* Rebuilding disk. */ 1094 g_raid_change_subdisk_state(sd, 1095 G_RAID_SUBDISK_S_REBUILD); 1096 if (mvol->dirty) { 1097 sd->sd_rebuild_pos = 0; 1098 } else { 1099 sd->sd_rebuild_pos = 1100 intel_get_vol_curr_migr_unit(mvol) * 1101 sd->sd_volume->v_strip_size * 1102 mmap0->total_domains; 1103 } 1104 } else if (mvol->migr_type == INTEL_MT_INIT && 1105 migr_global) { 1106 /* Freshly created uninitialized volume. */ 1107 g_raid_change_subdisk_state(sd, 1108 G_RAID_SUBDISK_S_UNINITIALIZED); 1109 } else if (mvol->dirty && (!pv->pv_cng || 1110 pv->pv_cng_master_disk != disk_pos)) { 1111 /* Dirty volume (unclean shutdown). */ 1112 g_raid_change_subdisk_state(sd, 1113 G_RAID_SUBDISK_S_STALE); 1114 } else { 1115 /* Up to date disk. */ 1116 g_raid_change_subdisk_state(sd, 1117 G_RAID_SUBDISK_S_ACTIVE); 1118 } 1119 } else if (mvol->migr_type == INTEL_MT_VERIFY || 1120 mvol->migr_type == INTEL_MT_REPAIR) { 1121 if (mmap0->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) { 1122 /* Freshly inserted disk. */ 1123 g_raid_change_subdisk_state(sd, 1124 G_RAID_SUBDISK_S_NEW); 1125 } else if ((mmap1->disk_idx[sd->sd_pos] & INTEL_DI_RBLD) || 1126 migr_global) { 1127 /* Resyncing disk. */ 1128 g_raid_change_subdisk_state(sd, 1129 G_RAID_SUBDISK_S_RESYNC); 1130 if (mvol->dirty) { 1131 sd->sd_rebuild_pos = 0; 1132 } else { 1133 sd->sd_rebuild_pos = 1134 intel_get_vol_curr_migr_unit(mvol) * 1135 sd->sd_volume->v_strip_size * 1136 mmap0->total_domains; 1137 } 1138 } else if (mvol->dirty) { 1139 /* Dirty volume (unclean shutdown). */ 1140 g_raid_change_subdisk_state(sd, 1141 G_RAID_SUBDISK_S_STALE); 1142 } else { 1143 /* Up to date disk. */ 1144 g_raid_change_subdisk_state(sd, 1145 G_RAID_SUBDISK_S_ACTIVE); 1146 } 1147 } else if (mvol->migr_type == INTEL_MT_GEN_MIGR) { 1148 if ((mmap1->disk_idx[0] & INTEL_DI_IDX) != disk_pos) { 1149 /* Freshly inserted disk. */ 1150 g_raid_change_subdisk_state(sd, 1151 G_RAID_SUBDISK_S_NEW); 1152 } else { 1153 /* Up to date disk. */ 1154 g_raid_change_subdisk_state(sd, 1155 G_RAID_SUBDISK_S_ACTIVE); 1156 } 1157 } 1158 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1159 G_RAID_EVENT_SUBDISK); 1160 } 1161 1162 /* Update status of our need for spare. */ 1163 if (mdi->mdio_started) { 1164 mdi->mdio_incomplete = 1165 (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1166 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < 1167 meta->total_disks); 1168 } 1169 1170 return (resurrection); 1171 } 1172 1173 static void 1174 g_disk_md_intel_retaste(void *arg, int pending) 1175 { 1176 1177 G_RAID_DEBUG(1, "Array is not complete, trying to retaste."); 1178 g_retaste(&g_raid_class); 1179 free(arg, M_MD_INTEL); 1180 } 1181 1182 static void 1183 g_raid_md_intel_refill(struct g_raid_softc *sc) 1184 { 1185 struct g_raid_md_object *md; 1186 struct g_raid_md_intel_object *mdi; 1187 struct intel_raid_conf *meta; 1188 struct g_raid_disk *disk; 1189 struct task *task; 1190 int update, na; 1191 1192 md = sc->sc_md; 1193 mdi = (struct g_raid_md_intel_object *)md; 1194 meta = mdi->mdio_meta; 1195 update = 0; 1196 do { 1197 /* Make sure we miss anything. */ 1198 na = g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1199 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED); 1200 if (na == meta->total_disks) 1201 break; 1202 1203 G_RAID_DEBUG1(1, md->mdo_softc, 1204 "Array is not complete (%d of %d), " 1205 "trying to refill.", na, meta->total_disks); 1206 1207 /* Try to get use some of STALE disks. */ 1208 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1209 if (disk->d_state == G_RAID_DISK_S_STALE) { 1210 update += g_raid_md_intel_start_disk(disk); 1211 if (disk->d_state == G_RAID_DISK_S_ACTIVE || 1212 disk->d_state == G_RAID_DISK_S_DISABLED) 1213 break; 1214 } 1215 } 1216 if (disk != NULL) 1217 continue; 1218 1219 /* Try to get use some of SPARE disks. */ 1220 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1221 if (disk->d_state == G_RAID_DISK_S_SPARE) { 1222 update += g_raid_md_intel_start_disk(disk); 1223 if (disk->d_state == G_RAID_DISK_S_ACTIVE) 1224 break; 1225 } 1226 } 1227 } while (disk != NULL); 1228 1229 /* Write new metadata if we changed something. */ 1230 if (update) { 1231 g_raid_md_write_intel(md, NULL, NULL, NULL); 1232 meta = mdi->mdio_meta; 1233 } 1234 1235 /* Update status of our need for spare. */ 1236 mdi->mdio_incomplete = (g_raid_ndisks(sc, G_RAID_DISK_S_ACTIVE) + 1237 g_raid_ndisks(sc, G_RAID_DISK_S_DISABLED) < meta->total_disks); 1238 1239 /* Request retaste hoping to find spare. */ 1240 if (mdi->mdio_incomplete) { 1241 task = malloc(sizeof(struct task), 1242 M_MD_INTEL, M_WAITOK | M_ZERO); 1243 TASK_INIT(task, 0, g_disk_md_intel_retaste, task); 1244 taskqueue_enqueue(taskqueue_swi, task); 1245 } 1246 } 1247 1248 static void 1249 g_raid_md_intel_start(struct g_raid_softc *sc) 1250 { 1251 struct g_raid_md_object *md; 1252 struct g_raid_md_intel_object *mdi; 1253 struct g_raid_md_intel_pervolume *pv; 1254 struct g_raid_md_intel_perdisk *pd; 1255 struct intel_raid_conf *meta; 1256 struct intel_raid_vol *mvol; 1257 struct intel_raid_map *mmap; 1258 struct g_raid_volume *vol; 1259 struct g_raid_subdisk *sd; 1260 struct g_raid_disk *disk; 1261 int i, j, disk_pos; 1262 1263 md = sc->sc_md; 1264 mdi = (struct g_raid_md_intel_object *)md; 1265 meta = mdi->mdio_meta; 1266 1267 /* Create volumes and subdisks. */ 1268 for (i = 0; i < meta->total_volumes; i++) { 1269 mvol = intel_get_volume(meta, i); 1270 mmap = intel_get_map(mvol, 0); 1271 vol = g_raid_create_volume(sc, mvol->name, mvol->tid - 1); 1272 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 1273 pv->pv_volume_pos = i; 1274 pv->pv_cng = (mvol->state & INTEL_ST_CLONE_N_GO) != 0; 1275 pv->pv_cng_man_sync = (mvol->state & INTEL_ST_CLONE_MAN_SYNC) != 0; 1276 if (mvol->cng_master_disk < mmap->total_disks) 1277 pv->pv_cng_master_disk = mvol->cng_master_disk; 1278 vol->v_md_data = pv; 1279 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_NONE; 1280 if (mmap->type == INTEL_T_RAID0) 1281 vol->v_raid_level = G_RAID_VOLUME_RL_RAID0; 1282 else if (mmap->type == INTEL_T_RAID1 && 1283 mmap->total_domains >= 2 && 1284 mmap->total_domains <= mmap->total_disks) { 1285 /* Assume total_domains is correct. */ 1286 if (mmap->total_domains == mmap->total_disks) 1287 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 1288 else 1289 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 1290 } else if (mmap->type == INTEL_T_RAID1) { 1291 /* total_domains looks wrong. */ 1292 if (mmap->total_disks <= 2) 1293 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1; 1294 else 1295 vol->v_raid_level = G_RAID_VOLUME_RL_RAID1E; 1296 } else if (mmap->type == INTEL_T_RAID5) { 1297 vol->v_raid_level = G_RAID_VOLUME_RL_RAID5; 1298 vol->v_raid_level_qualifier = G_RAID_VOLUME_RLQ_R5LA; 1299 } else 1300 vol->v_raid_level = G_RAID_VOLUME_RL_UNKNOWN; 1301 vol->v_strip_size = (u_int)mmap->strip_sectors * 512; //ZZZ 1302 vol->v_disks_count = mmap->total_disks; 1303 vol->v_mediasize = (off_t)mvol->total_sectors * 512; //ZZZ 1304 vol->v_sectorsize = 512; //ZZZ 1305 for (j = 0; j < vol->v_disks_count; j++) { 1306 sd = &vol->v_subdisks[j]; 1307 sd->sd_offset = intel_get_map_offset(mmap) * 512; //ZZZ 1308 sd->sd_size = intel_get_map_disk_sectors(mmap) * 512; //ZZZ 1309 } 1310 g_raid_start_volume(vol); 1311 } 1312 1313 /* Create disk placeholders to store data for later writing. */ 1314 for (disk_pos = 0; disk_pos < meta->total_disks; disk_pos++) { 1315 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1316 pd->pd_disk_pos = disk_pos; 1317 pd->pd_disk_meta = meta->disk[disk_pos]; 1318 disk = g_raid_create_disk(sc); 1319 disk->d_md_data = (void *)pd; 1320 disk->d_state = G_RAID_DISK_S_OFFLINE; 1321 for (i = 0; i < meta->total_volumes; i++) { 1322 mvol = intel_get_volume(meta, i); 1323 mmap = intel_get_map(mvol, 0); 1324 for (j = 0; j < mmap->total_disks; j++) { 1325 if ((mmap->disk_idx[j] & INTEL_DI_IDX) == disk_pos) 1326 break; 1327 } 1328 if (j == mmap->total_disks) 1329 continue; 1330 vol = g_raid_md_intel_get_volume(sc, i); 1331 sd = &vol->v_subdisks[j]; 1332 sd->sd_disk = disk; 1333 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1334 } 1335 } 1336 1337 /* Make all disks found till the moment take their places. */ 1338 do { 1339 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1340 if (disk->d_state == G_RAID_DISK_S_NONE) { 1341 g_raid_md_intel_start_disk(disk); 1342 break; 1343 } 1344 } 1345 } while (disk != NULL); 1346 1347 mdi->mdio_started = 1; 1348 G_RAID_DEBUG1(0, sc, "Array started."); 1349 g_raid_md_write_intel(md, NULL, NULL, NULL); 1350 1351 /* Pickup any STALE/SPARE disks to refill array if needed. */ 1352 g_raid_md_intel_refill(sc); 1353 1354 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1355 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1356 G_RAID_EVENT_VOLUME); 1357 } 1358 1359 callout_stop(&mdi->mdio_start_co); 1360 G_RAID_DEBUG1(1, sc, "root_mount_rel %p", mdi->mdio_rootmount); 1361 root_mount_rel(mdi->mdio_rootmount); 1362 mdi->mdio_rootmount = NULL; 1363 } 1364 1365 static void 1366 g_raid_md_intel_new_disk(struct g_raid_disk *disk) 1367 { 1368 struct g_raid_softc *sc; 1369 struct g_raid_md_object *md; 1370 struct g_raid_md_intel_object *mdi; 1371 struct intel_raid_conf *pdmeta; 1372 struct g_raid_md_intel_perdisk *pd; 1373 1374 sc = disk->d_softc; 1375 md = sc->sc_md; 1376 mdi = (struct g_raid_md_intel_object *)md; 1377 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1378 pdmeta = pd->pd_meta; 1379 1380 if (mdi->mdio_started) { 1381 if (g_raid_md_intel_start_disk(disk)) 1382 g_raid_md_write_intel(md, NULL, NULL, NULL); 1383 } else { 1384 /* If we haven't started yet - check metadata freshness. */ 1385 if (mdi->mdio_meta == NULL || 1386 ((int32_t)(pdmeta->generation - mdi->mdio_generation)) > 0) { 1387 G_RAID_DEBUG1(1, sc, "Newer disk"); 1388 if (mdi->mdio_meta != NULL) 1389 free(mdi->mdio_meta, M_MD_INTEL); 1390 mdi->mdio_meta = intel_meta_copy(pdmeta); 1391 mdi->mdio_generation = mdi->mdio_meta->generation; 1392 mdi->mdio_disks_present = 1; 1393 } else if (pdmeta->generation == mdi->mdio_generation) { 1394 mdi->mdio_disks_present++; 1395 G_RAID_DEBUG1(1, sc, "Matching disk (%d of %d up)", 1396 mdi->mdio_disks_present, 1397 mdi->mdio_meta->total_disks); 1398 } else { 1399 G_RAID_DEBUG1(1, sc, "Older disk"); 1400 } 1401 /* If we collected all needed disks - start array. */ 1402 if (mdi->mdio_disks_present == mdi->mdio_meta->total_disks) 1403 g_raid_md_intel_start(sc); 1404 } 1405 } 1406 1407 static void 1408 g_raid_intel_go(void *arg) 1409 { 1410 struct g_raid_softc *sc; 1411 struct g_raid_md_object *md; 1412 struct g_raid_md_intel_object *mdi; 1413 1414 sc = arg; 1415 md = sc->sc_md; 1416 mdi = (struct g_raid_md_intel_object *)md; 1417 if (!mdi->mdio_started) { 1418 G_RAID_DEBUG1(0, sc, "Force array start due to timeout."); 1419 g_raid_event_send(sc, G_RAID_NODE_E_START, 0); 1420 } 1421 } 1422 1423 static int 1424 g_raid_md_create_intel(struct g_raid_md_object *md, struct g_class *mp, 1425 struct g_geom **gp) 1426 { 1427 struct g_raid_softc *sc; 1428 struct g_raid_md_intel_object *mdi; 1429 char name[16]; 1430 1431 mdi = (struct g_raid_md_intel_object *)md; 1432 mdi->mdio_config_id = mdi->mdio_orig_config_id = arc4random(); 1433 mdi->mdio_generation = 0; 1434 snprintf(name, sizeof(name), "Intel-%08x", mdi->mdio_config_id); 1435 sc = g_raid_create_node(mp, name, md); 1436 if (sc == NULL) 1437 return (G_RAID_MD_TASTE_FAIL); 1438 md->mdo_softc = sc; 1439 *gp = sc->sc_geom; 1440 return (G_RAID_MD_TASTE_NEW); 1441 } 1442 1443 /* 1444 * Return the last N characters of the serial label. The Linux and 1445 * ataraid(7) code always uses the last 16 characters of the label to 1446 * store into the Intel meta format. Generalize this to N characters 1447 * since that's easy. Labels can be up to 20 characters for SATA drives 1448 * and up 251 characters for SAS drives. Since intel controllers don't 1449 * support SAS drives, just stick with the SATA limits for stack friendliness. 1450 */ 1451 static int 1452 g_raid_md_get_label(struct g_consumer *cp, char *serial, int serlen) 1453 { 1454 char serial_buffer[DISK_IDENT_SIZE]; 1455 int len, error; 1456 1457 len = sizeof(serial_buffer); 1458 error = g_io_getattr("GEOM::ident", cp, &len, serial_buffer); 1459 if (error != 0) 1460 return (error); 1461 len = strlen(serial_buffer); 1462 if (len > serlen) 1463 len -= serlen; 1464 else 1465 len = 0; 1466 strncpy(serial, serial_buffer + len, serlen); 1467 return (0); 1468 } 1469 1470 static int 1471 g_raid_md_taste_intel(struct g_raid_md_object *md, struct g_class *mp, 1472 struct g_consumer *cp, struct g_geom **gp) 1473 { 1474 struct g_consumer *rcp; 1475 struct g_provider *pp; 1476 struct g_raid_md_intel_object *mdi, *mdi1; 1477 struct g_raid_softc *sc; 1478 struct g_raid_disk *disk; 1479 struct intel_raid_conf *meta; 1480 struct g_raid_md_intel_perdisk *pd; 1481 struct g_geom *geom; 1482 int error, disk_pos, result, spare, len; 1483 char serial[INTEL_SERIAL_LEN]; 1484 char name[16]; 1485 uint16_t vendor; 1486 1487 G_RAID_DEBUG(1, "Tasting Intel on %s", cp->provider->name); 1488 mdi = (struct g_raid_md_intel_object *)md; 1489 pp = cp->provider; 1490 1491 /* Read metadata from device. */ 1492 meta = NULL; 1493 disk_pos = 0; 1494 g_topology_unlock(); 1495 error = g_raid_md_get_label(cp, serial, sizeof(serial)); 1496 if (error != 0) { 1497 G_RAID_DEBUG(1, "Cannot get serial number from %s (error=%d).", 1498 pp->name, error); 1499 goto fail2; 1500 } 1501 vendor = 0xffff; 1502 len = sizeof(vendor); 1503 if (pp->geom->rank == 1) 1504 g_io_getattr("GEOM::hba_vendor", cp, &len, &vendor); 1505 meta = intel_meta_read(cp); 1506 g_topology_lock(); 1507 if (meta == NULL) { 1508 if (g_raid_aggressive_spare) { 1509 if (vendor != 0x8086) { 1510 G_RAID_DEBUG(1, 1511 "Intel vendor mismatch 0x%04x != 0x8086", 1512 vendor); 1513 } else { 1514 G_RAID_DEBUG(1, 1515 "No Intel metadata, forcing spare."); 1516 spare = 2; 1517 goto search; 1518 } 1519 } 1520 return (G_RAID_MD_TASTE_FAIL); 1521 } 1522 1523 /* Check this disk position in obtained metadata. */ 1524 disk_pos = intel_meta_find_disk(meta, serial); 1525 if (disk_pos < 0) { 1526 G_RAID_DEBUG(1, "Intel serial '%s' not found", serial); 1527 goto fail1; 1528 } 1529 if (intel_get_disk_sectors(&meta->disk[disk_pos]) != 1530 (pp->mediasize / pp->sectorsize)) { 1531 G_RAID_DEBUG(1, "Intel size mismatch %ju != %ju", 1532 intel_get_disk_sectors(&meta->disk[disk_pos]), 1533 (off_t)(pp->mediasize / pp->sectorsize)); 1534 goto fail1; 1535 } 1536 1537 G_RAID_DEBUG(1, "Intel disk position %d", disk_pos); 1538 spare = meta->disk[disk_pos].flags & INTEL_F_SPARE; 1539 1540 search: 1541 /* Search for matching node. */ 1542 sc = NULL; 1543 mdi1 = NULL; 1544 LIST_FOREACH(geom, &mp->geom, geom) { 1545 sc = geom->softc; 1546 if (sc == NULL) 1547 continue; 1548 if (sc->sc_stopping != 0) 1549 continue; 1550 if (sc->sc_md->mdo_class != md->mdo_class) 1551 continue; 1552 mdi1 = (struct g_raid_md_intel_object *)sc->sc_md; 1553 if (spare) { 1554 if (mdi1->mdio_incomplete) 1555 break; 1556 } else { 1557 if (mdi1->mdio_config_id == meta->config_id) 1558 break; 1559 } 1560 } 1561 1562 /* Found matching node. */ 1563 if (geom != NULL) { 1564 G_RAID_DEBUG(1, "Found matching array %s", sc->sc_name); 1565 result = G_RAID_MD_TASTE_EXISTING; 1566 1567 } else if (spare) { /* Not found needy node -- left for later. */ 1568 G_RAID_DEBUG(1, "Spare is not needed at this time"); 1569 goto fail1; 1570 1571 } else { /* Not found matching node -- create one. */ 1572 result = G_RAID_MD_TASTE_NEW; 1573 mdi->mdio_config_id = meta->config_id; 1574 mdi->mdio_orig_config_id = meta->orig_config_id; 1575 snprintf(name, sizeof(name), "Intel-%08x", meta->config_id); 1576 sc = g_raid_create_node(mp, name, md); 1577 md->mdo_softc = sc; 1578 geom = sc->sc_geom; 1579 callout_init(&mdi->mdio_start_co, 1); 1580 callout_reset(&mdi->mdio_start_co, g_raid_start_timeout * hz, 1581 g_raid_intel_go, sc); 1582 mdi->mdio_rootmount = root_mount_hold("GRAID-Intel"); 1583 G_RAID_DEBUG1(1, sc, "root_mount_hold %p", mdi->mdio_rootmount); 1584 } 1585 1586 /* There is no return after this point, so we close passed consumer. */ 1587 g_access(cp, -1, 0, 0); 1588 1589 rcp = g_new_consumer(geom); 1590 rcp->flags |= G_CF_DIRECT_RECEIVE; 1591 g_attach(rcp, pp); 1592 if (g_access(rcp, 1, 1, 1) != 0) 1593 ; //goto fail1; 1594 1595 g_topology_unlock(); 1596 sx_xlock(&sc->sc_lock); 1597 1598 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1599 pd->pd_meta = meta; 1600 pd->pd_disk_pos = -1; 1601 if (spare == 2) { 1602 memcpy(&pd->pd_disk_meta.serial[0], serial, INTEL_SERIAL_LEN); 1603 intel_set_disk_sectors(&pd->pd_disk_meta, 1604 pp->mediasize / pp->sectorsize); 1605 pd->pd_disk_meta.id = 0; 1606 pd->pd_disk_meta.flags = INTEL_F_SPARE; 1607 } else { 1608 pd->pd_disk_meta = meta->disk[disk_pos]; 1609 } 1610 disk = g_raid_create_disk(sc); 1611 disk->d_md_data = (void *)pd; 1612 disk->d_consumer = rcp; 1613 rcp->private = disk; 1614 1615 g_raid_get_disk_info(disk); 1616 1617 g_raid_md_intel_new_disk(disk); 1618 1619 sx_xunlock(&sc->sc_lock); 1620 g_topology_lock(); 1621 *gp = geom; 1622 return (result); 1623 fail2: 1624 g_topology_lock(); 1625 fail1: 1626 free(meta, M_MD_INTEL); 1627 return (G_RAID_MD_TASTE_FAIL); 1628 } 1629 1630 static int 1631 g_raid_md_event_intel(struct g_raid_md_object *md, 1632 struct g_raid_disk *disk, u_int event) 1633 { 1634 struct g_raid_softc *sc; 1635 struct g_raid_subdisk *sd; 1636 struct g_raid_md_intel_object *mdi; 1637 struct g_raid_md_intel_perdisk *pd; 1638 1639 sc = md->mdo_softc; 1640 mdi = (struct g_raid_md_intel_object *)md; 1641 if (disk == NULL) { 1642 switch (event) { 1643 case G_RAID_NODE_E_START: 1644 if (!mdi->mdio_started) 1645 g_raid_md_intel_start(sc); 1646 return (0); 1647 } 1648 return (-1); 1649 } 1650 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1651 switch (event) { 1652 case G_RAID_DISK_E_DISCONNECTED: 1653 /* If disk was assigned, just update statuses. */ 1654 if (pd->pd_disk_pos >= 0) { 1655 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1656 if (disk->d_consumer) { 1657 g_raid_kill_consumer(sc, disk->d_consumer); 1658 disk->d_consumer = NULL; 1659 } 1660 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 1661 g_raid_change_subdisk_state(sd, 1662 G_RAID_SUBDISK_S_NONE); 1663 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 1664 G_RAID_EVENT_SUBDISK); 1665 } 1666 } else { 1667 /* Otherwise -- delete. */ 1668 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 1669 g_raid_destroy_disk(disk); 1670 } 1671 1672 /* Write updated metadata to all disks. */ 1673 g_raid_md_write_intel(md, NULL, NULL, NULL); 1674 1675 /* Check if anything left except placeholders. */ 1676 if (g_raid_ndisks(sc, -1) == 1677 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 1678 g_raid_destroy_node(sc, 0); 1679 else 1680 g_raid_md_intel_refill(sc); 1681 return (0); 1682 } 1683 return (-2); 1684 } 1685 1686 static int 1687 g_raid_md_ctl_intel(struct g_raid_md_object *md, 1688 struct gctl_req *req) 1689 { 1690 struct g_raid_softc *sc; 1691 struct g_raid_volume *vol, *vol1; 1692 struct g_raid_subdisk *sd; 1693 struct g_raid_disk *disk; 1694 struct g_raid_md_intel_object *mdi; 1695 struct g_raid_md_intel_pervolume *pv; 1696 struct g_raid_md_intel_perdisk *pd; 1697 struct g_consumer *cp; 1698 struct g_provider *pp; 1699 char arg[16], serial[INTEL_SERIAL_LEN]; 1700 const char *nodename, *verb, *volname, *levelname, *diskname; 1701 char *tmp; 1702 int *nargs, *force; 1703 off_t off, size, sectorsize, strip, disk_sectors; 1704 intmax_t *sizearg, *striparg; 1705 int numdisks, i, len, level, qual, update; 1706 int error; 1707 1708 sc = md->mdo_softc; 1709 mdi = (struct g_raid_md_intel_object *)md; 1710 verb = gctl_get_param(req, "verb", NULL); 1711 nargs = gctl_get_paraml(req, "nargs", sizeof(*nargs)); 1712 error = 0; 1713 if (strcmp(verb, "label") == 0) { 1714 if (*nargs < 4) { 1715 gctl_error(req, "Invalid number of arguments."); 1716 return (-1); 1717 } 1718 volname = gctl_get_asciiparam(req, "arg1"); 1719 if (volname == NULL) { 1720 gctl_error(req, "No volume name."); 1721 return (-2); 1722 } 1723 levelname = gctl_get_asciiparam(req, "arg2"); 1724 if (levelname == NULL) { 1725 gctl_error(req, "No RAID level."); 1726 return (-3); 1727 } 1728 if (strcasecmp(levelname, "RAID5") == 0) 1729 levelname = "RAID5-LA"; 1730 if (g_raid_volume_str2level(levelname, &level, &qual)) { 1731 gctl_error(req, "Unknown RAID level '%s'.", levelname); 1732 return (-4); 1733 } 1734 numdisks = *nargs - 3; 1735 force = gctl_get_paraml(req, "force", sizeof(*force)); 1736 if (!g_raid_md_intel_supported(level, qual, numdisks, 1737 force ? *force : 0)) { 1738 gctl_error(req, "Unsupported RAID level " 1739 "(0x%02x/0x%02x), or number of disks (%d).", 1740 level, qual, numdisks); 1741 return (-5); 1742 } 1743 1744 /* Search for disks, connect them and probe. */ 1745 size = 0x7fffffffffffffffllu; 1746 sectorsize = 0; 1747 for (i = 0; i < numdisks; i++) { 1748 snprintf(arg, sizeof(arg), "arg%d", i + 3); 1749 diskname = gctl_get_asciiparam(req, arg); 1750 if (diskname == NULL) { 1751 gctl_error(req, "No disk name (%s).", arg); 1752 error = -6; 1753 break; 1754 } 1755 if (strcmp(diskname, "NONE") == 0) { 1756 cp = NULL; 1757 pp = NULL; 1758 } else { 1759 g_topology_lock(); 1760 cp = g_raid_open_consumer(sc, diskname); 1761 if (cp == NULL) { 1762 gctl_error(req, "Can't open disk '%s'.", 1763 diskname); 1764 g_topology_unlock(); 1765 error = -7; 1766 break; 1767 } 1768 pp = cp->provider; 1769 } 1770 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 1771 pd->pd_disk_pos = i; 1772 disk = g_raid_create_disk(sc); 1773 disk->d_md_data = (void *)pd; 1774 disk->d_consumer = cp; 1775 if (cp == NULL) { 1776 strcpy(&pd->pd_disk_meta.serial[0], "NONE"); 1777 pd->pd_disk_meta.id = 0xffffffff; 1778 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 1779 continue; 1780 } 1781 cp->private = disk; 1782 g_topology_unlock(); 1783 1784 error = g_raid_md_get_label(cp, 1785 &pd->pd_disk_meta.serial[0], INTEL_SERIAL_LEN); 1786 if (error != 0) { 1787 gctl_error(req, 1788 "Can't get serial for provider '%s'.", 1789 diskname); 1790 error = -8; 1791 break; 1792 } 1793 1794 g_raid_get_disk_info(disk); 1795 1796 intel_set_disk_sectors(&pd->pd_disk_meta, 1797 pp->mediasize / pp->sectorsize); 1798 if (size > pp->mediasize) 1799 size = pp->mediasize; 1800 if (sectorsize < pp->sectorsize) 1801 sectorsize = pp->sectorsize; 1802 pd->pd_disk_meta.id = 0; 1803 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED | INTEL_F_ONLINE; 1804 } 1805 if (error != 0) 1806 return (error); 1807 1808 if (sectorsize <= 0) { 1809 gctl_error(req, "Can't get sector size."); 1810 return (-8); 1811 } 1812 1813 /* Reserve some space for metadata. */ 1814 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1815 1816 /* Handle size argument. */ 1817 len = sizeof(*sizearg); 1818 sizearg = gctl_get_param(req, "size", &len); 1819 if (sizearg != NULL && len == sizeof(*sizearg) && 1820 *sizearg > 0) { 1821 if (*sizearg > size) { 1822 gctl_error(req, "Size too big %lld > %lld.", 1823 (long long)*sizearg, (long long)size); 1824 return (-9); 1825 } 1826 size = *sizearg; 1827 } 1828 1829 /* Handle strip argument. */ 1830 strip = 131072; 1831 len = sizeof(*striparg); 1832 striparg = gctl_get_param(req, "strip", &len); 1833 if (striparg != NULL && len == sizeof(*striparg) && 1834 *striparg > 0) { 1835 if (*striparg < sectorsize) { 1836 gctl_error(req, "Strip size too small."); 1837 return (-10); 1838 } 1839 if (*striparg % sectorsize != 0) { 1840 gctl_error(req, "Incorrect strip size."); 1841 return (-11); 1842 } 1843 if (strip > 65535 * sectorsize) { 1844 gctl_error(req, "Strip size too big."); 1845 return (-12); 1846 } 1847 strip = *striparg; 1848 } 1849 1850 /* Round size down to strip or sector. */ 1851 if (level == G_RAID_VOLUME_RL_RAID1) 1852 size -= (size % sectorsize); 1853 else if (level == G_RAID_VOLUME_RL_RAID1E && 1854 (numdisks & 1) != 0) 1855 size -= (size % (2 * strip)); 1856 else 1857 size -= (size % strip); 1858 if (size <= 0) { 1859 gctl_error(req, "Size too small."); 1860 return (-13); 1861 } 1862 1863 /* We have all we need, create things: volume, ... */ 1864 mdi->mdio_started = 1; 1865 vol = g_raid_create_volume(sc, volname, -1); 1866 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 1867 pv->pv_volume_pos = 0; 1868 vol->v_md_data = pv; 1869 vol->v_raid_level = level; 1870 vol->v_raid_level_qualifier = qual; 1871 vol->v_strip_size = strip; 1872 vol->v_disks_count = numdisks; 1873 if (level == G_RAID_VOLUME_RL_RAID0) 1874 vol->v_mediasize = size * numdisks; 1875 else if (level == G_RAID_VOLUME_RL_RAID1) 1876 vol->v_mediasize = size; 1877 else if (level == G_RAID_VOLUME_RL_RAID5) 1878 vol->v_mediasize = size * (numdisks - 1); 1879 else { /* RAID1E */ 1880 vol->v_mediasize = ((size * numdisks) / strip / 2) * 1881 strip; 1882 } 1883 vol->v_sectorsize = sectorsize; 1884 g_raid_start_volume(vol); 1885 1886 /* , and subdisks. */ 1887 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 1888 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 1889 sd = &vol->v_subdisks[pd->pd_disk_pos]; 1890 sd->sd_disk = disk; 1891 sd->sd_offset = 0; 1892 sd->sd_size = size; 1893 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 1894 if (sd->sd_disk->d_consumer != NULL) { 1895 g_raid_change_disk_state(disk, 1896 G_RAID_DISK_S_ACTIVE); 1897 if (level == G_RAID_VOLUME_RL_RAID5) 1898 g_raid_change_subdisk_state(sd, 1899 G_RAID_SUBDISK_S_UNINITIALIZED); 1900 else 1901 g_raid_change_subdisk_state(sd, 1902 G_RAID_SUBDISK_S_ACTIVE); 1903 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 1904 G_RAID_EVENT_SUBDISK); 1905 } else { 1906 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 1907 } 1908 } 1909 1910 /* Write metadata based on created entities. */ 1911 G_RAID_DEBUG1(0, sc, "Array started."); 1912 g_raid_md_write_intel(md, NULL, NULL, NULL); 1913 1914 /* Pickup any STALE/SPARE disks to refill array if needed. */ 1915 g_raid_md_intel_refill(sc); 1916 1917 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 1918 G_RAID_EVENT_VOLUME); 1919 return (0); 1920 } 1921 if (strcmp(verb, "add") == 0) { 1922 if (*nargs != 3) { 1923 gctl_error(req, "Invalid number of arguments."); 1924 return (-1); 1925 } 1926 volname = gctl_get_asciiparam(req, "arg1"); 1927 if (volname == NULL) { 1928 gctl_error(req, "No volume name."); 1929 return (-2); 1930 } 1931 levelname = gctl_get_asciiparam(req, "arg2"); 1932 if (levelname == NULL) { 1933 gctl_error(req, "No RAID level."); 1934 return (-3); 1935 } 1936 if (strcasecmp(levelname, "RAID5") == 0) 1937 levelname = "RAID5-LA"; 1938 if (g_raid_volume_str2level(levelname, &level, &qual)) { 1939 gctl_error(req, "Unknown RAID level '%s'.", levelname); 1940 return (-4); 1941 } 1942 1943 /* Look for existing volumes. */ 1944 i = 0; 1945 vol1 = NULL; 1946 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 1947 vol1 = vol; 1948 i++; 1949 } 1950 if (i > 1) { 1951 gctl_error(req, "Maximum two volumes supported."); 1952 return (-6); 1953 } 1954 if (vol1 == NULL) { 1955 gctl_error(req, "At least one volume must exist."); 1956 return (-7); 1957 } 1958 1959 numdisks = vol1->v_disks_count; 1960 force = gctl_get_paraml(req, "force", sizeof(*force)); 1961 if (!g_raid_md_intel_supported(level, qual, numdisks, 1962 force ? *force : 0)) { 1963 gctl_error(req, "Unsupported RAID level " 1964 "(0x%02x/0x%02x), or number of disks (%d).", 1965 level, qual, numdisks); 1966 return (-5); 1967 } 1968 1969 /* Collect info about present disks. */ 1970 size = 0x7fffffffffffffffllu; 1971 sectorsize = 512; 1972 for (i = 0; i < numdisks; i++) { 1973 disk = vol1->v_subdisks[i].sd_disk; 1974 pd = (struct g_raid_md_intel_perdisk *) 1975 disk->d_md_data; 1976 disk_sectors = 1977 intel_get_disk_sectors(&pd->pd_disk_meta); 1978 1979 if (disk_sectors * 512 < size) 1980 size = disk_sectors * 512; 1981 if (disk->d_consumer != NULL && 1982 disk->d_consumer->provider != NULL && 1983 disk->d_consumer->provider->sectorsize > 1984 sectorsize) { 1985 sectorsize = 1986 disk->d_consumer->provider->sectorsize; 1987 } 1988 } 1989 1990 /* Reserve some space for metadata. */ 1991 size -= ((4096 + sectorsize - 1) / sectorsize) * sectorsize; 1992 1993 /* Decide insert before or after. */ 1994 sd = &vol1->v_subdisks[0]; 1995 if (sd->sd_offset > 1996 size - (sd->sd_offset + sd->sd_size)) { 1997 off = 0; 1998 size = sd->sd_offset; 1999 } else { 2000 off = sd->sd_offset + sd->sd_size; 2001 size = size - (sd->sd_offset + sd->sd_size); 2002 } 2003 2004 /* Handle strip argument. */ 2005 strip = 131072; 2006 len = sizeof(*striparg); 2007 striparg = gctl_get_param(req, "strip", &len); 2008 if (striparg != NULL && len == sizeof(*striparg) && 2009 *striparg > 0) { 2010 if (*striparg < sectorsize) { 2011 gctl_error(req, "Strip size too small."); 2012 return (-10); 2013 } 2014 if (*striparg % sectorsize != 0) { 2015 gctl_error(req, "Incorrect strip size."); 2016 return (-11); 2017 } 2018 if (strip > 65535 * sectorsize) { 2019 gctl_error(req, "Strip size too big."); 2020 return (-12); 2021 } 2022 strip = *striparg; 2023 } 2024 2025 /* Round offset up to strip. */ 2026 if (off % strip != 0) { 2027 size -= strip - off % strip; 2028 off += strip - off % strip; 2029 } 2030 2031 /* Handle size argument. */ 2032 len = sizeof(*sizearg); 2033 sizearg = gctl_get_param(req, "size", &len); 2034 if (sizearg != NULL && len == sizeof(*sizearg) && 2035 *sizearg > 0) { 2036 if (*sizearg > size) { 2037 gctl_error(req, "Size too big %lld > %lld.", 2038 (long long)*sizearg, (long long)size); 2039 return (-9); 2040 } 2041 size = *sizearg; 2042 } 2043 2044 /* Round size down to strip or sector. */ 2045 if (level == G_RAID_VOLUME_RL_RAID1) 2046 size -= (size % sectorsize); 2047 else 2048 size -= (size % strip); 2049 if (size <= 0) { 2050 gctl_error(req, "Size too small."); 2051 return (-13); 2052 } 2053 if (size > 0xffffffffllu * sectorsize) { 2054 gctl_error(req, "Size too big."); 2055 return (-14); 2056 } 2057 2058 /* We have all we need, create things: volume, ... */ 2059 vol = g_raid_create_volume(sc, volname, -1); 2060 pv = malloc(sizeof(*pv), M_MD_INTEL, M_WAITOK | M_ZERO); 2061 pv->pv_volume_pos = i; 2062 vol->v_md_data = pv; 2063 vol->v_raid_level = level; 2064 vol->v_raid_level_qualifier = qual; 2065 vol->v_strip_size = strip; 2066 vol->v_disks_count = numdisks; 2067 if (level == G_RAID_VOLUME_RL_RAID0) 2068 vol->v_mediasize = size * numdisks; 2069 else if (level == G_RAID_VOLUME_RL_RAID1) 2070 vol->v_mediasize = size; 2071 else if (level == G_RAID_VOLUME_RL_RAID5) 2072 vol->v_mediasize = size * (numdisks - 1); 2073 else { /* RAID1E */ 2074 vol->v_mediasize = ((size * numdisks) / strip / 2) * 2075 strip; 2076 } 2077 vol->v_sectorsize = sectorsize; 2078 g_raid_start_volume(vol); 2079 2080 /* , and subdisks. */ 2081 for (i = 0; i < numdisks; i++) { 2082 disk = vol1->v_subdisks[i].sd_disk; 2083 sd = &vol->v_subdisks[i]; 2084 sd->sd_disk = disk; 2085 sd->sd_offset = off; 2086 sd->sd_size = size; 2087 TAILQ_INSERT_TAIL(&disk->d_subdisks, sd, sd_next); 2088 if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 2089 if (level == G_RAID_VOLUME_RL_RAID5) 2090 g_raid_change_subdisk_state(sd, 2091 G_RAID_SUBDISK_S_UNINITIALIZED); 2092 else 2093 g_raid_change_subdisk_state(sd, 2094 G_RAID_SUBDISK_S_ACTIVE); 2095 g_raid_event_send(sd, G_RAID_SUBDISK_E_NEW, 2096 G_RAID_EVENT_SUBDISK); 2097 } 2098 } 2099 2100 /* Write metadata based on created entities. */ 2101 g_raid_md_write_intel(md, NULL, NULL, NULL); 2102 2103 g_raid_event_send(vol, G_RAID_VOLUME_E_START, 2104 G_RAID_EVENT_VOLUME); 2105 return (0); 2106 } 2107 if (strcmp(verb, "delete") == 0) { 2108 nodename = gctl_get_asciiparam(req, "arg0"); 2109 if (nodename != NULL && strcasecmp(sc->sc_name, nodename) != 0) 2110 nodename = NULL; 2111 2112 /* Full node destruction. */ 2113 if (*nargs == 1 && nodename != NULL) { 2114 /* Check if some volume is still open. */ 2115 force = gctl_get_paraml(req, "force", sizeof(*force)); 2116 if (force != NULL && *force == 0 && 2117 g_raid_nopens(sc) != 0) { 2118 gctl_error(req, "Some volume is still open."); 2119 return (-4); 2120 } 2121 2122 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2123 if (disk->d_consumer) 2124 intel_meta_erase(disk->d_consumer); 2125 } 2126 g_raid_destroy_node(sc, 0); 2127 return (0); 2128 } 2129 2130 /* Destroy specified volume. If it was last - all node. */ 2131 if (*nargs > 2) { 2132 gctl_error(req, "Invalid number of arguments."); 2133 return (-1); 2134 } 2135 volname = gctl_get_asciiparam(req, 2136 nodename != NULL ? "arg1" : "arg0"); 2137 if (volname == NULL) { 2138 gctl_error(req, "No volume name."); 2139 return (-2); 2140 } 2141 2142 /* Search for volume. */ 2143 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2144 if (strcmp(vol->v_name, volname) == 0) 2145 break; 2146 pp = vol->v_provider; 2147 if (pp == NULL) 2148 continue; 2149 if (strcmp(pp->name, volname) == 0) 2150 break; 2151 if (strncmp(pp->name, "raid/", 5) == 0 && 2152 strcmp(pp->name + 5, volname) == 0) 2153 break; 2154 } 2155 if (vol == NULL) { 2156 i = strtol(volname, &tmp, 10); 2157 if (verb != volname && tmp[0] == 0) { 2158 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2159 if (vol->v_global_id == i) 2160 break; 2161 } 2162 } 2163 } 2164 if (vol == NULL) { 2165 gctl_error(req, "Volume '%s' not found.", volname); 2166 return (-3); 2167 } 2168 2169 /* Check if volume is still open. */ 2170 force = gctl_get_paraml(req, "force", sizeof(*force)); 2171 if (force != NULL && *force == 0 && 2172 vol->v_provider_open != 0) { 2173 gctl_error(req, "Volume is still open."); 2174 return (-4); 2175 } 2176 2177 /* Destroy volume and potentially node. */ 2178 i = 0; 2179 TAILQ_FOREACH(vol1, &sc->sc_volumes, v_next) 2180 i++; 2181 if (i >= 2) { 2182 g_raid_destroy_volume(vol); 2183 g_raid_md_write_intel(md, NULL, NULL, NULL); 2184 } else { 2185 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2186 if (disk->d_consumer) 2187 intel_meta_erase(disk->d_consumer); 2188 } 2189 g_raid_destroy_node(sc, 0); 2190 } 2191 return (0); 2192 } 2193 if (strcmp(verb, "remove") == 0 || 2194 strcmp(verb, "fail") == 0) { 2195 if (*nargs < 2) { 2196 gctl_error(req, "Invalid number of arguments."); 2197 return (-1); 2198 } 2199 for (i = 1; i < *nargs; i++) { 2200 snprintf(arg, sizeof(arg), "arg%d", i); 2201 diskname = gctl_get_asciiparam(req, arg); 2202 if (diskname == NULL) { 2203 gctl_error(req, "No disk name (%s).", arg); 2204 error = -2; 2205 break; 2206 } 2207 if (strncmp(diskname, _PATH_DEV, 5) == 0) 2208 diskname += 5; 2209 2210 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2211 if (disk->d_consumer != NULL && 2212 disk->d_consumer->provider != NULL && 2213 strcmp(disk->d_consumer->provider->name, 2214 diskname) == 0) 2215 break; 2216 } 2217 if (disk == NULL) { 2218 gctl_error(req, "Disk '%s' not found.", 2219 diskname); 2220 error = -3; 2221 break; 2222 } 2223 2224 if (strcmp(verb, "fail") == 0) { 2225 g_raid_md_fail_disk_intel(md, NULL, disk); 2226 continue; 2227 } 2228 2229 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2230 2231 /* Erase metadata on deleting disk. */ 2232 intel_meta_erase(disk->d_consumer); 2233 2234 /* If disk was assigned, just update statuses. */ 2235 if (pd->pd_disk_pos >= 0) { 2236 g_raid_change_disk_state(disk, G_RAID_DISK_S_OFFLINE); 2237 g_raid_kill_consumer(sc, disk->d_consumer); 2238 disk->d_consumer = NULL; 2239 TAILQ_FOREACH(sd, &disk->d_subdisks, sd_next) { 2240 g_raid_change_subdisk_state(sd, 2241 G_RAID_SUBDISK_S_NONE); 2242 g_raid_event_send(sd, G_RAID_SUBDISK_E_DISCONNECTED, 2243 G_RAID_EVENT_SUBDISK); 2244 } 2245 } else { 2246 /* Otherwise -- delete. */ 2247 g_raid_change_disk_state(disk, G_RAID_DISK_S_NONE); 2248 g_raid_destroy_disk(disk); 2249 } 2250 } 2251 2252 /* Write updated metadata to remaining disks. */ 2253 g_raid_md_write_intel(md, NULL, NULL, NULL); 2254 2255 /* Check if anything left except placeholders. */ 2256 if (g_raid_ndisks(sc, -1) == 2257 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 2258 g_raid_destroy_node(sc, 0); 2259 else 2260 g_raid_md_intel_refill(sc); 2261 return (error); 2262 } 2263 if (strcmp(verb, "insert") == 0) { 2264 if (*nargs < 2) { 2265 gctl_error(req, "Invalid number of arguments."); 2266 return (-1); 2267 } 2268 update = 0; 2269 for (i = 1; i < *nargs; i++) { 2270 /* Get disk name. */ 2271 snprintf(arg, sizeof(arg), "arg%d", i); 2272 diskname = gctl_get_asciiparam(req, arg); 2273 if (diskname == NULL) { 2274 gctl_error(req, "No disk name (%s).", arg); 2275 error = -3; 2276 break; 2277 } 2278 2279 /* Try to find provider with specified name. */ 2280 g_topology_lock(); 2281 cp = g_raid_open_consumer(sc, diskname); 2282 if (cp == NULL) { 2283 gctl_error(req, "Can't open disk '%s'.", 2284 diskname); 2285 g_topology_unlock(); 2286 error = -4; 2287 break; 2288 } 2289 pp = cp->provider; 2290 g_topology_unlock(); 2291 2292 /* Read disk serial. */ 2293 error = g_raid_md_get_label(cp, 2294 &serial[0], INTEL_SERIAL_LEN); 2295 if (error != 0) { 2296 gctl_error(req, 2297 "Can't get serial for provider '%s'.", 2298 diskname); 2299 g_raid_kill_consumer(sc, cp); 2300 error = -7; 2301 break; 2302 } 2303 2304 pd = malloc(sizeof(*pd), M_MD_INTEL, M_WAITOK | M_ZERO); 2305 pd->pd_disk_pos = -1; 2306 2307 disk = g_raid_create_disk(sc); 2308 disk->d_consumer = cp; 2309 disk->d_md_data = (void *)pd; 2310 cp->private = disk; 2311 2312 g_raid_get_disk_info(disk); 2313 2314 memcpy(&pd->pd_disk_meta.serial[0], &serial[0], 2315 INTEL_SERIAL_LEN); 2316 intel_set_disk_sectors(&pd->pd_disk_meta, 2317 pp->mediasize / pp->sectorsize); 2318 pd->pd_disk_meta.id = 0; 2319 pd->pd_disk_meta.flags = INTEL_F_SPARE; 2320 2321 /* Welcome the "new" disk. */ 2322 update += g_raid_md_intel_start_disk(disk); 2323 if (disk->d_state == G_RAID_DISK_S_SPARE) { 2324 intel_meta_write_spare(cp, &pd->pd_disk_meta); 2325 g_raid_destroy_disk(disk); 2326 } else if (disk->d_state != G_RAID_DISK_S_ACTIVE) { 2327 gctl_error(req, "Disk '%s' doesn't fit.", 2328 diskname); 2329 g_raid_destroy_disk(disk); 2330 error = -8; 2331 break; 2332 } 2333 } 2334 2335 /* Write new metadata if we changed something. */ 2336 if (update) 2337 g_raid_md_write_intel(md, NULL, NULL, NULL); 2338 return (error); 2339 } 2340 return (-100); 2341 } 2342 2343 static int 2344 g_raid_md_write_intel(struct g_raid_md_object *md, struct g_raid_volume *tvol, 2345 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2346 { 2347 struct g_raid_softc *sc; 2348 struct g_raid_volume *vol; 2349 struct g_raid_subdisk *sd; 2350 struct g_raid_disk *disk; 2351 struct g_raid_md_intel_object *mdi; 2352 struct g_raid_md_intel_pervolume *pv; 2353 struct g_raid_md_intel_perdisk *pd; 2354 struct intel_raid_conf *meta; 2355 struct intel_raid_vol *mvol; 2356 struct intel_raid_map *mmap0, *mmap1; 2357 off_t sectorsize = 512, pos; 2358 const char *version, *cv; 2359 int vi, sdi, numdisks, len, state, stale; 2360 2361 sc = md->mdo_softc; 2362 mdi = (struct g_raid_md_intel_object *)md; 2363 2364 if (sc->sc_stopping == G_RAID_DESTROY_HARD) 2365 return (0); 2366 2367 /* Bump generation. Newly written metadata may differ from previous. */ 2368 mdi->mdio_generation++; 2369 2370 /* Count number of disks. */ 2371 numdisks = 0; 2372 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2373 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2374 if (pd->pd_disk_pos < 0) 2375 continue; 2376 numdisks++; 2377 if (disk->d_state == G_RAID_DISK_S_ACTIVE) { 2378 pd->pd_disk_meta.flags = 2379 INTEL_F_ONLINE | INTEL_F_ASSIGNED; 2380 } else if (disk->d_state == G_RAID_DISK_S_FAILED) { 2381 pd->pd_disk_meta.flags = INTEL_F_FAILED | 2382 INTEL_F_ASSIGNED; 2383 } else if (disk->d_state == G_RAID_DISK_S_DISABLED) { 2384 pd->pd_disk_meta.flags = INTEL_F_FAILED | 2385 INTEL_F_ASSIGNED | INTEL_F_DISABLED; 2386 } else { 2387 if (!(pd->pd_disk_meta.flags & INTEL_F_DISABLED)) 2388 pd->pd_disk_meta.flags = INTEL_F_ASSIGNED; 2389 if (pd->pd_disk_meta.id != 0xffffffff) { 2390 pd->pd_disk_meta.id = 0xffffffff; 2391 len = strlen(pd->pd_disk_meta.serial); 2392 len = min(len, INTEL_SERIAL_LEN - 3); 2393 strcpy(pd->pd_disk_meta.serial + len, ":0"); 2394 } 2395 } 2396 } 2397 2398 /* Fill anchor and disks. */ 2399 meta = malloc(INTEL_MAX_MD_SIZE(numdisks), 2400 M_MD_INTEL, M_WAITOK | M_ZERO); 2401 memcpy(&meta->intel_id[0], INTEL_MAGIC, sizeof(INTEL_MAGIC) - 1); 2402 meta->config_size = INTEL_MAX_MD_SIZE(numdisks); 2403 meta->config_id = mdi->mdio_config_id; 2404 meta->orig_config_id = mdi->mdio_orig_config_id; 2405 meta->generation = mdi->mdio_generation; 2406 meta->attributes = INTEL_ATTR_CHECKSUM; 2407 meta->total_disks = numdisks; 2408 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2409 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2410 if (pd->pd_disk_pos < 0) 2411 continue; 2412 meta->disk[pd->pd_disk_pos] = pd->pd_disk_meta; 2413 if (pd->pd_disk_meta.sectors_hi != 0) 2414 meta->attributes |= INTEL_ATTR_2TB_DISK; 2415 } 2416 2417 /* Fill volumes and maps. */ 2418 vi = 0; 2419 version = INTEL_VERSION_1000; 2420 TAILQ_FOREACH(vol, &sc->sc_volumes, v_next) { 2421 pv = vol->v_md_data; 2422 if (vol->v_stopping) 2423 continue; 2424 mvol = intel_get_volume(meta, vi); 2425 2426 /* New metadata may have different volumes order. */ 2427 pv->pv_volume_pos = vi; 2428 2429 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2430 sd = &vol->v_subdisks[sdi]; 2431 if (sd->sd_disk != NULL) 2432 break; 2433 } 2434 if (sdi >= vol->v_disks_count) 2435 panic("No any filled subdisk in volume"); 2436 if (vol->v_mediasize >= 0x20000000000llu) 2437 meta->attributes |= INTEL_ATTR_2TB; 2438 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2439 meta->attributes |= INTEL_ATTR_RAID0; 2440 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2441 meta->attributes |= INTEL_ATTR_RAID1; 2442 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2443 meta->attributes |= INTEL_ATTR_RAID5; 2444 else if ((vol->v_disks_count & 1) == 0) 2445 meta->attributes |= INTEL_ATTR_RAID10; 2446 else 2447 meta->attributes |= INTEL_ATTR_RAID1E; 2448 if (pv->pv_cng) 2449 meta->attributes |= INTEL_ATTR_RAIDCNG; 2450 if (vol->v_strip_size > 131072) 2451 meta->attributes |= INTEL_ATTR_EXT_STRIP; 2452 2453 if (pv->pv_cng) 2454 cv = INTEL_VERSION_1206; 2455 else if (vol->v_disks_count > 4) 2456 cv = INTEL_VERSION_1204; 2457 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID5) 2458 cv = INTEL_VERSION_1202; 2459 else if (vol->v_disks_count > 2) 2460 cv = INTEL_VERSION_1201; 2461 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2462 cv = INTEL_VERSION_1100; 2463 else 2464 cv = INTEL_VERSION_1000; 2465 if (strcmp(cv, version) > 0) 2466 version = cv; 2467 2468 strlcpy(&mvol->name[0], vol->v_name, sizeof(mvol->name)); 2469 mvol->total_sectors = vol->v_mediasize / sectorsize; 2470 mvol->state = (INTEL_ST_READ_COALESCING | 2471 INTEL_ST_WRITE_COALESCING); 2472 mvol->tid = vol->v_global_id + 1; 2473 if (pv->pv_cng) { 2474 mvol->state |= INTEL_ST_CLONE_N_GO; 2475 if (pv->pv_cng_man_sync) 2476 mvol->state |= INTEL_ST_CLONE_MAN_SYNC; 2477 mvol->cng_master_disk = pv->pv_cng_master_disk; 2478 if (vol->v_subdisks[pv->pv_cng_master_disk].sd_state == 2479 G_RAID_SUBDISK_S_NONE) 2480 mvol->cng_state = INTEL_CNGST_MASTER_MISSING; 2481 else if (vol->v_state != G_RAID_VOLUME_S_OPTIMAL) 2482 mvol->cng_state = INTEL_CNGST_NEEDS_UPDATE; 2483 else 2484 mvol->cng_state = INTEL_CNGST_UPDATED; 2485 } 2486 2487 /* Check for any recovery in progress. */ 2488 state = G_RAID_SUBDISK_S_ACTIVE; 2489 pos = 0x7fffffffffffffffllu; 2490 stale = 0; 2491 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2492 sd = &vol->v_subdisks[sdi]; 2493 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD) 2494 state = G_RAID_SUBDISK_S_REBUILD; 2495 else if (sd->sd_state == G_RAID_SUBDISK_S_RESYNC && 2496 state != G_RAID_SUBDISK_S_REBUILD) 2497 state = G_RAID_SUBDISK_S_RESYNC; 2498 else if (sd->sd_state == G_RAID_SUBDISK_S_STALE) 2499 stale = 1; 2500 if ((sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2501 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) && 2502 sd->sd_rebuild_pos < pos) 2503 pos = sd->sd_rebuild_pos; 2504 } 2505 if (state == G_RAID_SUBDISK_S_REBUILD) { 2506 mvol->migr_state = 1; 2507 mvol->migr_type = INTEL_MT_REBUILD; 2508 } else if (state == G_RAID_SUBDISK_S_RESYNC) { 2509 mvol->migr_state = 1; 2510 /* mvol->migr_type = INTEL_MT_REPAIR; */ 2511 mvol->migr_type = INTEL_MT_VERIFY; 2512 mvol->state |= INTEL_ST_VERIFY_AND_FIX; 2513 } else 2514 mvol->migr_state = 0; 2515 mvol->dirty = (vol->v_dirty || stale); 2516 2517 mmap0 = intel_get_map(mvol, 0); 2518 2519 /* Write map / common part of two maps. */ 2520 intel_set_map_offset(mmap0, sd->sd_offset / sectorsize); 2521 intel_set_map_disk_sectors(mmap0, sd->sd_size / sectorsize); 2522 mmap0->strip_sectors = vol->v_strip_size / sectorsize; 2523 if (vol->v_state == G_RAID_VOLUME_S_BROKEN) 2524 mmap0->status = INTEL_S_FAILURE; 2525 else if (vol->v_state == G_RAID_VOLUME_S_DEGRADED) 2526 mmap0->status = INTEL_S_DEGRADED; 2527 else if (g_raid_nsubdisks(vol, G_RAID_SUBDISK_S_UNINITIALIZED) 2528 == g_raid_nsubdisks(vol, -1)) 2529 mmap0->status = INTEL_S_UNINITIALIZED; 2530 else 2531 mmap0->status = INTEL_S_READY; 2532 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID0) 2533 mmap0->type = INTEL_T_RAID0; 2534 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1 || 2535 vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2536 mmap0->type = INTEL_T_RAID1; 2537 else 2538 mmap0->type = INTEL_T_RAID5; 2539 mmap0->total_disks = vol->v_disks_count; 2540 if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1) 2541 mmap0->total_domains = vol->v_disks_count; 2542 else if (vol->v_raid_level == G_RAID_VOLUME_RL_RAID1E) 2543 mmap0->total_domains = 2; 2544 else 2545 mmap0->total_domains = 1; 2546 intel_set_map_stripe_count(mmap0, 2547 sd->sd_size / vol->v_strip_size / mmap0->total_domains); 2548 mmap0->failed_disk_num = 0xff; 2549 mmap0->ddf = 1; 2550 2551 /* If there are two maps - copy common and update. */ 2552 if (mvol->migr_state) { 2553 intel_set_vol_curr_migr_unit(mvol, 2554 pos / vol->v_strip_size / mmap0->total_domains); 2555 mmap1 = intel_get_map(mvol, 1); 2556 memcpy(mmap1, mmap0, sizeof(struct intel_raid_map)); 2557 mmap0->status = INTEL_S_READY; 2558 } else 2559 mmap1 = NULL; 2560 2561 /* Write disk indexes and put rebuild flags. */ 2562 for (sdi = 0; sdi < vol->v_disks_count; sdi++) { 2563 sd = &vol->v_subdisks[sdi]; 2564 pd = (struct g_raid_md_intel_perdisk *) 2565 sd->sd_disk->d_md_data; 2566 mmap0->disk_idx[sdi] = pd->pd_disk_pos; 2567 if (mvol->migr_state) 2568 mmap1->disk_idx[sdi] = pd->pd_disk_pos; 2569 if (sd->sd_state == G_RAID_SUBDISK_S_REBUILD || 2570 sd->sd_state == G_RAID_SUBDISK_S_RESYNC) { 2571 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2572 } else if (sd->sd_state != G_RAID_SUBDISK_S_ACTIVE && 2573 sd->sd_state != G_RAID_SUBDISK_S_STALE && 2574 sd->sd_state != G_RAID_SUBDISK_S_UNINITIALIZED) { 2575 mmap0->disk_idx[sdi] |= INTEL_DI_RBLD; 2576 if (mvol->migr_state) 2577 mmap1->disk_idx[sdi] |= INTEL_DI_RBLD; 2578 } 2579 if ((sd->sd_state == G_RAID_SUBDISK_S_NONE || 2580 sd->sd_state == G_RAID_SUBDISK_S_FAILED || 2581 sd->sd_state == G_RAID_SUBDISK_S_REBUILD) && 2582 mmap0->failed_disk_num == 0xff) { 2583 mmap0->failed_disk_num = sdi; 2584 if (mvol->migr_state) 2585 mmap1->failed_disk_num = sdi; 2586 } 2587 } 2588 vi++; 2589 } 2590 meta->total_volumes = vi; 2591 if (vi > 1 || meta->attributes & 2592 (INTEL_ATTR_EXT_STRIP | INTEL_ATTR_2TB_DISK | INTEL_ATTR_2TB)) 2593 version = INTEL_VERSION_1300; 2594 if (strcmp(version, INTEL_VERSION_1300) < 0) 2595 meta->attributes &= INTEL_ATTR_CHECKSUM; 2596 memcpy(&meta->version[0], version, sizeof(INTEL_VERSION_1000) - 1); 2597 2598 /* We are done. Print meta data and store them to disks. */ 2599 g_raid_md_intel_print(meta); 2600 if (mdi->mdio_meta != NULL) 2601 free(mdi->mdio_meta, M_MD_INTEL); 2602 mdi->mdio_meta = meta; 2603 TAILQ_FOREACH(disk, &sc->sc_disks, d_next) { 2604 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2605 if (disk->d_state != G_RAID_DISK_S_ACTIVE) 2606 continue; 2607 if (pd->pd_meta != NULL) { 2608 free(pd->pd_meta, M_MD_INTEL); 2609 pd->pd_meta = NULL; 2610 } 2611 pd->pd_meta = intel_meta_copy(meta); 2612 intel_meta_write(disk->d_consumer, meta); 2613 } 2614 return (0); 2615 } 2616 2617 static int 2618 g_raid_md_fail_disk_intel(struct g_raid_md_object *md, 2619 struct g_raid_subdisk *tsd, struct g_raid_disk *tdisk) 2620 { 2621 struct g_raid_softc *sc; 2622 struct g_raid_md_intel_object *mdi; 2623 struct g_raid_md_intel_perdisk *pd; 2624 struct g_raid_subdisk *sd; 2625 2626 sc = md->mdo_softc; 2627 mdi = (struct g_raid_md_intel_object *)md; 2628 pd = (struct g_raid_md_intel_perdisk *)tdisk->d_md_data; 2629 2630 /* We can't fail disk that is not a part of array now. */ 2631 if (pd->pd_disk_pos < 0) 2632 return (-1); 2633 2634 /* 2635 * Mark disk as failed in metadata and try to write that metadata 2636 * to the disk itself to prevent it's later resurrection as STALE. 2637 */ 2638 mdi->mdio_meta->disk[pd->pd_disk_pos].flags = INTEL_F_FAILED; 2639 pd->pd_disk_meta.flags = INTEL_F_FAILED; 2640 g_raid_md_intel_print(mdi->mdio_meta); 2641 if (tdisk->d_consumer) 2642 intel_meta_write(tdisk->d_consumer, mdi->mdio_meta); 2643 2644 /* Change states. */ 2645 g_raid_change_disk_state(tdisk, G_RAID_DISK_S_FAILED); 2646 TAILQ_FOREACH(sd, &tdisk->d_subdisks, sd_next) { 2647 g_raid_change_subdisk_state(sd, 2648 G_RAID_SUBDISK_S_FAILED); 2649 g_raid_event_send(sd, G_RAID_SUBDISK_E_FAILED, 2650 G_RAID_EVENT_SUBDISK); 2651 } 2652 2653 /* Write updated metadata to remaining disks. */ 2654 g_raid_md_write_intel(md, NULL, NULL, tdisk); 2655 2656 /* Check if anything left except placeholders. */ 2657 if (g_raid_ndisks(sc, -1) == 2658 g_raid_ndisks(sc, G_RAID_DISK_S_OFFLINE)) 2659 g_raid_destroy_node(sc, 0); 2660 else 2661 g_raid_md_intel_refill(sc); 2662 return (0); 2663 } 2664 2665 static int 2666 g_raid_md_free_disk_intel(struct g_raid_md_object *md, 2667 struct g_raid_disk *disk) 2668 { 2669 struct g_raid_md_intel_perdisk *pd; 2670 2671 pd = (struct g_raid_md_intel_perdisk *)disk->d_md_data; 2672 if (pd->pd_meta != NULL) { 2673 free(pd->pd_meta, M_MD_INTEL); 2674 pd->pd_meta = NULL; 2675 } 2676 free(pd, M_MD_INTEL); 2677 disk->d_md_data = NULL; 2678 return (0); 2679 } 2680 2681 static int 2682 g_raid_md_free_volume_intel(struct g_raid_md_object *md, 2683 struct g_raid_volume *vol) 2684 { 2685 struct g_raid_md_intel_pervolume *pv; 2686 2687 pv = (struct g_raid_md_intel_pervolume *)vol->v_md_data; 2688 free(pv, M_MD_INTEL); 2689 vol->v_md_data = NULL; 2690 return (0); 2691 } 2692 2693 static int 2694 g_raid_md_free_intel(struct g_raid_md_object *md) 2695 { 2696 struct g_raid_md_intel_object *mdi; 2697 2698 mdi = (struct g_raid_md_intel_object *)md; 2699 if (!mdi->mdio_started) { 2700 mdi->mdio_started = 0; 2701 callout_stop(&mdi->mdio_start_co); 2702 G_RAID_DEBUG1(1, md->mdo_softc, 2703 "root_mount_rel %p", mdi->mdio_rootmount); 2704 root_mount_rel(mdi->mdio_rootmount); 2705 mdi->mdio_rootmount = NULL; 2706 } 2707 if (mdi->mdio_meta != NULL) { 2708 free(mdi->mdio_meta, M_MD_INTEL); 2709 mdi->mdio_meta = NULL; 2710 } 2711 return (0); 2712 } 2713 2714 G_RAID_MD_DECLARE(intel, "Intel"); 2715