1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License (the "License"). 6 * You may not use this file except in compliance with the License. 7 * 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 9 * or http://www.opensolaris.org/os/licensing. 10 * See the License for the specific language governing permissions 11 * and limitations under the License. 12 * 13 * When distributing Covered Code, include this CDDL HEADER in each 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 15 * If applicable, add the following below this CDDL HEADER, with the 16 * fields enclosed by brackets "[]" replaced with your own identifying 17 * information: Portions Copyright [yyyy] [name of copyright owner] 18 * 19 * CDDL HEADER END 20 */ 21 22 /* 23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright (c) 2011, 2014 by Delphix. All rights reserved. 25 * Copyright 2011 Nexenta Systems, Inc. All rights reserved. 26 * Copyright (c) 2013, Joyent, Inc. All rights reserved. 27 * Copyright (c) 2012, Martin Matuska <mm (at) FreeBSD.org>. All rights reserved. 28 * Copyright (c) 2014 Integros [integros.com] 29 */ 30 31 /* Portions Copyright 2010 Robert Milkowski */ 32 33 #ifndef _SYS_FS_ZFS_H 34 #define _SYS_FS_ZFS_H 35 36 #include <sys/types.h> 37 #include <sys/ioccom.h> 38 #include <sys/time.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * Types and constants shared between userland and the kernel. 46 */ 47 48 /* 49 * Each dataset can be one of the following types. These constants can be 50 * combined into masks that can be passed to various functions. 51 */ 52 typedef enum { 53 ZFS_TYPE_FILESYSTEM = (1 << 0), 54 ZFS_TYPE_SNAPSHOT = (1 << 1), 55 ZFS_TYPE_VOLUME = (1 << 2), 56 ZFS_TYPE_POOL = (1 << 3), 57 ZFS_TYPE_BOOKMARK = (1 << 4) 58 } zfs_type_t; 59 60 /* 61 * NB: lzc_dataset_type should be updated whenever a new objset type is added, 62 * if it represents a real type of a dataset that can be created from userland. 63 */ 64 typedef enum dmu_objset_type { 65 DMU_OST_NONE, 66 DMU_OST_META, 67 DMU_OST_ZFS, 68 DMU_OST_ZVOL, 69 DMU_OST_OTHER, /* For testing only! */ 70 DMU_OST_ANY, /* Be careful! */ 71 DMU_OST_NUMTYPES 72 } dmu_objset_type_t; 73 74 #define ZFS_TYPE_DATASET \ 75 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) 76 77 /* 78 * All of these include the terminating NUL byte. 79 */ 80 #define ZAP_MAXNAMELEN 256 81 #define ZAP_MAXVALUELEN (1024 * 8) 82 #define ZAP_OLDMAXVALUELEN 1024 83 #define ZFS_MAX_DATASET_NAME_LEN 256 84 85 /* 86 * Dataset properties are identified by these constants and must be added to 87 * the end of this list to ensure that external consumers are not affected 88 * by the change. If you make any changes to this list, be sure to update 89 * the property table in usr/src/common/zfs/zfs_prop.c. 90 */ 91 typedef enum { 92 ZFS_PROP_TYPE, 93 ZFS_PROP_CREATION, 94 ZFS_PROP_USED, 95 ZFS_PROP_AVAILABLE, 96 ZFS_PROP_REFERENCED, 97 ZFS_PROP_COMPRESSRATIO, 98 ZFS_PROP_MOUNTED, 99 ZFS_PROP_ORIGIN, 100 ZFS_PROP_QUOTA, 101 ZFS_PROP_RESERVATION, 102 ZFS_PROP_VOLSIZE, 103 ZFS_PROP_VOLBLOCKSIZE, 104 ZFS_PROP_RECORDSIZE, 105 ZFS_PROP_MOUNTPOINT, 106 ZFS_PROP_SHARENFS, 107 ZFS_PROP_CHECKSUM, 108 ZFS_PROP_COMPRESSION, 109 ZFS_PROP_ATIME, 110 ZFS_PROP_DEVICES, 111 ZFS_PROP_EXEC, 112 ZFS_PROP_SETUID, 113 ZFS_PROP_READONLY, 114 ZFS_PROP_ZONED, 115 ZFS_PROP_SNAPDIR, 116 ZFS_PROP_ACLMODE, 117 ZFS_PROP_ACLINHERIT, 118 ZFS_PROP_CREATETXG, /* not exposed to the user */ 119 ZFS_PROP_NAME, /* not exposed to the user */ 120 ZFS_PROP_CANMOUNT, 121 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ 122 ZFS_PROP_XATTR, 123 ZFS_PROP_NUMCLONES, /* not exposed to the user */ 124 ZFS_PROP_COPIES, 125 ZFS_PROP_VERSION, 126 ZFS_PROP_UTF8ONLY, 127 ZFS_PROP_NORMALIZE, 128 ZFS_PROP_CASE, 129 ZFS_PROP_VSCAN, 130 ZFS_PROP_NBMAND, 131 ZFS_PROP_SHARESMB, 132 ZFS_PROP_REFQUOTA, 133 ZFS_PROP_REFRESERVATION, 134 ZFS_PROP_GUID, 135 ZFS_PROP_PRIMARYCACHE, 136 ZFS_PROP_SECONDARYCACHE, 137 ZFS_PROP_USEDSNAP, 138 ZFS_PROP_USEDDS, 139 ZFS_PROP_USEDCHILD, 140 ZFS_PROP_USEDREFRESERV, 141 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ 142 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ 143 ZFS_PROP_DEFER_DESTROY, 144 ZFS_PROP_USERREFS, 145 ZFS_PROP_LOGBIAS, 146 ZFS_PROP_UNIQUE, /* not exposed to the user */ 147 ZFS_PROP_OBJSETID, /* not exposed to the user */ 148 ZFS_PROP_DEDUP, 149 ZFS_PROP_MLSLABEL, 150 ZFS_PROP_SYNC, 151 ZFS_PROP_REFRATIO, 152 ZFS_PROP_WRITTEN, 153 ZFS_PROP_CLONES, 154 ZFS_PROP_LOGICALUSED, 155 ZFS_PROP_LOGICALREFERENCED, 156 ZFS_PROP_INCONSISTENT, /* not exposed to the user */ 157 ZFS_PROP_VOLMODE, 158 ZFS_PROP_FILESYSTEM_LIMIT, 159 ZFS_PROP_SNAPSHOT_LIMIT, 160 ZFS_PROP_FILESYSTEM_COUNT, 161 ZFS_PROP_SNAPSHOT_COUNT, 162 ZFS_PROP_REDUNDANT_METADATA, 163 ZFS_PROP_PREV_SNAP, 164 ZFS_PROP_RECEIVE_RESUME_TOKEN, 165 ZFS_NUM_PROPS 166 } zfs_prop_t; 167 168 typedef enum { 169 ZFS_PROP_USERUSED, 170 ZFS_PROP_USERQUOTA, 171 ZFS_PROP_GROUPUSED, 172 ZFS_PROP_GROUPQUOTA, 173 ZFS_NUM_USERQUOTA_PROPS 174 } zfs_userquota_prop_t; 175 176 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; 177 178 /* 179 * Pool properties are identified by these constants and must be added to the 180 * end of this list to ensure that external consumers are not affected 181 * by the change. If you make any changes to this list, be sure to update 182 * the property table in usr/src/common/zfs/zpool_prop.c. 183 */ 184 typedef enum { 185 ZPOOL_PROP_NAME, 186 ZPOOL_PROP_SIZE, 187 ZPOOL_PROP_CAPACITY, 188 ZPOOL_PROP_ALTROOT, 189 ZPOOL_PROP_HEALTH, 190 ZPOOL_PROP_GUID, 191 ZPOOL_PROP_VERSION, 192 ZPOOL_PROP_BOOTFS, 193 ZPOOL_PROP_DELEGATION, 194 ZPOOL_PROP_AUTOREPLACE, 195 ZPOOL_PROP_CACHEFILE, 196 ZPOOL_PROP_FAILUREMODE, 197 ZPOOL_PROP_LISTSNAPS, 198 ZPOOL_PROP_AUTOEXPAND, 199 ZPOOL_PROP_DEDUPDITTO, 200 ZPOOL_PROP_DEDUPRATIO, 201 ZPOOL_PROP_FREE, 202 ZPOOL_PROP_ALLOCATED, 203 ZPOOL_PROP_READONLY, 204 ZPOOL_PROP_COMMENT, 205 ZPOOL_PROP_EXPANDSZ, 206 ZPOOL_PROP_FREEING, 207 ZPOOL_PROP_FRAGMENTATION, 208 ZPOOL_PROP_LEAKED, 209 ZPOOL_PROP_MAXBLOCKSIZE, 210 ZPOOL_NUM_PROPS 211 } zpool_prop_t; 212 213 /* Small enough to not hog a whole line of printout in zpool(1M). */ 214 #define ZPROP_MAX_COMMENT 32 215 216 #define ZPROP_CONT -2 217 #define ZPROP_INVAL -1 218 219 #define ZPROP_VALUE "value" 220 #define ZPROP_SOURCE "source" 221 222 typedef enum { 223 ZPROP_SRC_NONE = 0x1, 224 ZPROP_SRC_DEFAULT = 0x2, 225 ZPROP_SRC_TEMPORARY = 0x4, 226 ZPROP_SRC_LOCAL = 0x8, 227 ZPROP_SRC_INHERITED = 0x10, 228 ZPROP_SRC_RECEIVED = 0x20 229 } zprop_source_t; 230 231 #define ZPROP_SRC_ALL 0x3f 232 233 #define ZPROP_SOURCE_VAL_RECVD "$recvd" 234 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" 235 /* 236 * Dataset flag implemented as a special entry in the props zap object 237 * indicating that the dataset has received properties on or after 238 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties 239 * just as it did in earlier versions, and thereafter, local properties are 240 * preserved. 241 */ 242 #define ZPROP_HAS_RECVD "$hasrecvd" 243 244 typedef enum { 245 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ 246 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ 247 } zprop_errflags_t; 248 249 typedef int (*zprop_func)(int, void *); 250 251 /* 252 * Properties to be set on the root file system of a new pool 253 * are stuffed into their own nvlist, which is then included in 254 * the properties nvlist with the pool properties. 255 */ 256 #define ZPOOL_ROOTFS_PROPS "root-props-nvl" 257 258 /* 259 * Dataset property functions shared between libzfs and kernel. 260 */ 261 const char *zfs_prop_default_string(zfs_prop_t); 262 uint64_t zfs_prop_default_numeric(zfs_prop_t); 263 boolean_t zfs_prop_readonly(zfs_prop_t); 264 boolean_t zfs_prop_inheritable(zfs_prop_t); 265 boolean_t zfs_prop_setonce(zfs_prop_t); 266 const char *zfs_prop_to_name(zfs_prop_t); 267 zfs_prop_t zfs_name_to_prop(const char *); 268 boolean_t zfs_prop_user(const char *); 269 boolean_t zfs_prop_userquota(const char *); 270 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); 271 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); 272 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); 273 boolean_t zfs_prop_valid_for_type(int, zfs_type_t); 274 275 /* 276 * Pool property functions shared between libzfs and kernel. 277 */ 278 zpool_prop_t zpool_name_to_prop(const char *); 279 const char *zpool_prop_to_name(zpool_prop_t); 280 const char *zpool_prop_default_string(zpool_prop_t); 281 uint64_t zpool_prop_default_numeric(zpool_prop_t); 282 boolean_t zpool_prop_readonly(zpool_prop_t); 283 boolean_t zpool_prop_feature(const char *); 284 boolean_t zpool_prop_unsupported(const char *name); 285 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); 286 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); 287 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); 288 289 /* 290 * Definitions for the Delegation. 291 */ 292 typedef enum { 293 ZFS_DELEG_WHO_UNKNOWN = 0, 294 ZFS_DELEG_USER = 'u', 295 ZFS_DELEG_USER_SETS = 'U', 296 ZFS_DELEG_GROUP = 'g', 297 ZFS_DELEG_GROUP_SETS = 'G', 298 ZFS_DELEG_EVERYONE = 'e', 299 ZFS_DELEG_EVERYONE_SETS = 'E', 300 ZFS_DELEG_CREATE = 'c', 301 ZFS_DELEG_CREATE_SETS = 'C', 302 ZFS_DELEG_NAMED_SET = 's', 303 ZFS_DELEG_NAMED_SET_SETS = 'S' 304 } zfs_deleg_who_type_t; 305 306 typedef enum { 307 ZFS_DELEG_NONE = 0, 308 ZFS_DELEG_PERM_LOCAL = 1, 309 ZFS_DELEG_PERM_DESCENDENT = 2, 310 ZFS_DELEG_PERM_LOCALDESCENDENT = 3, 311 ZFS_DELEG_PERM_CREATE = 4 312 } zfs_deleg_inherit_t; 313 314 #define ZFS_DELEG_PERM_UID "uid" 315 #define ZFS_DELEG_PERM_GID "gid" 316 #define ZFS_DELEG_PERM_GROUPS "groups" 317 318 #define ZFS_MLSLABEL_DEFAULT "none" 319 320 #define ZFS_SMB_ACL_SRC "src" 321 #define ZFS_SMB_ACL_TARGET "target" 322 323 typedef enum { 324 ZFS_CANMOUNT_OFF = 0, 325 ZFS_CANMOUNT_ON = 1, 326 ZFS_CANMOUNT_NOAUTO = 2 327 } zfs_canmount_type_t; 328 329 typedef enum { 330 ZFS_LOGBIAS_LATENCY = 0, 331 ZFS_LOGBIAS_THROUGHPUT = 1 332 } zfs_logbias_op_t; 333 334 typedef enum zfs_share_op { 335 ZFS_SHARE_NFS = 0, 336 ZFS_UNSHARE_NFS = 1, 337 ZFS_SHARE_SMB = 2, 338 ZFS_UNSHARE_SMB = 3 339 } zfs_share_op_t; 340 341 typedef enum zfs_smb_acl_op { 342 ZFS_SMB_ACL_ADD, 343 ZFS_SMB_ACL_REMOVE, 344 ZFS_SMB_ACL_RENAME, 345 ZFS_SMB_ACL_PURGE 346 } zfs_smb_acl_op_t; 347 348 typedef enum zfs_cache_type { 349 ZFS_CACHE_NONE = 0, 350 ZFS_CACHE_METADATA = 1, 351 ZFS_CACHE_ALL = 2 352 } zfs_cache_type_t; 353 354 typedef enum { 355 ZFS_SYNC_STANDARD = 0, 356 ZFS_SYNC_ALWAYS = 1, 357 ZFS_SYNC_DISABLED = 2 358 } zfs_sync_type_t; 359 360 typedef enum { 361 ZFS_VOLMODE_DEFAULT = 0, 362 ZFS_VOLMODE_GEOM = 1, 363 ZFS_VOLMODE_DEV = 2, 364 ZFS_VOLMODE_NONE = 3 365 } zfs_volmode_t; 366 367 typedef enum { 368 ZFS_REDUNDANT_METADATA_ALL, 369 ZFS_REDUNDANT_METADATA_MOST 370 } zfs_redundant_metadata_type_t; 371 372 /* 373 * On-disk version number. 374 */ 375 #define SPA_VERSION_1 1ULL 376 #define SPA_VERSION_2 2ULL 377 #define SPA_VERSION_3 3ULL 378 #define SPA_VERSION_4 4ULL 379 #define SPA_VERSION_5 5ULL 380 #define SPA_VERSION_6 6ULL 381 #define SPA_VERSION_7 7ULL 382 #define SPA_VERSION_8 8ULL 383 #define SPA_VERSION_9 9ULL 384 #define SPA_VERSION_10 10ULL 385 #define SPA_VERSION_11 11ULL 386 #define SPA_VERSION_12 12ULL 387 #define SPA_VERSION_13 13ULL 388 #define SPA_VERSION_14 14ULL 389 #define SPA_VERSION_15 15ULL 390 #define SPA_VERSION_16 16ULL 391 #define SPA_VERSION_17 17ULL 392 #define SPA_VERSION_18 18ULL 393 #define SPA_VERSION_19 19ULL 394 #define SPA_VERSION_20 20ULL 395 #define SPA_VERSION_21 21ULL 396 #define SPA_VERSION_22 22ULL 397 #define SPA_VERSION_23 23ULL 398 #define SPA_VERSION_24 24ULL 399 #define SPA_VERSION_25 25ULL 400 #define SPA_VERSION_26 26ULL 401 #define SPA_VERSION_27 27ULL 402 #define SPA_VERSION_28 28ULL 403 #define SPA_VERSION_5000 5000ULL 404 405 /* 406 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk 407 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, 408 * and do the appropriate changes. Also bump the version number in 409 * usr/src/grub/capability. 410 */ 411 #define SPA_VERSION SPA_VERSION_5000 412 #define SPA_VERSION_STRING "5000" 413 414 /* 415 * Symbolic names for the changes that caused a SPA_VERSION switch. 416 * Used in the code when checking for presence or absence of a feature. 417 * Feel free to define multiple symbolic names for each version if there 418 * were multiple changes to on-disk structures during that version. 419 * 420 * NOTE: When checking the current SPA_VERSION in your code, be sure 421 * to use spa_version() since it reports the version of the 422 * last synced uberblock. Checking the in-flight version can 423 * be dangerous in some cases. 424 */ 425 #define SPA_VERSION_INITIAL SPA_VERSION_1 426 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 427 #define SPA_VERSION_SPARES SPA_VERSION_3 428 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3 429 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 430 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 431 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 432 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 433 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 434 #define SPA_VERSION_BOOTFS SPA_VERSION_6 435 #define SPA_VERSION_SLOGS SPA_VERSION_7 436 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 437 #define SPA_VERSION_FUID SPA_VERSION_9 438 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9 439 #define SPA_VERSION_REFQUOTA SPA_VERSION_9 440 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 441 #define SPA_VERSION_L2CACHE SPA_VERSION_10 442 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 443 #define SPA_VERSION_ORIGIN SPA_VERSION_11 444 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 445 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 446 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 447 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 448 #define SPA_VERSION_USERSPACE SPA_VERSION_15 449 #define SPA_VERSION_STMF_PROP SPA_VERSION_16 450 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17 451 #define SPA_VERSION_USERREFS SPA_VERSION_18 452 #define SPA_VERSION_HOLES SPA_VERSION_19 453 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 454 #define SPA_VERSION_DEDUP SPA_VERSION_21 455 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 456 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 457 #define SPA_VERSION_SA SPA_VERSION_24 458 #define SPA_VERSION_SCAN SPA_VERSION_25 459 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26 460 #define SPA_VERSION_DEADLISTS SPA_VERSION_26 461 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27 462 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 463 #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28 464 #define SPA_VERSION_FEATURES SPA_VERSION_5000 465 466 #define SPA_VERSION_IS_SUPPORTED(v) \ 467 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ 468 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) 469 470 /* 471 * ZPL version - rev'd whenever an incompatible on-disk format change 472 * occurs. This is independent of SPA/DMU/ZAP versioning. You must 473 * also update the version_table[] and help message in zfs_prop.c. 474 * 475 * When changing, be sure to teach GRUB how to read the new format! 476 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} 477 */ 478 #define ZPL_VERSION_1 1ULL 479 #define ZPL_VERSION_2 2ULL 480 #define ZPL_VERSION_3 3ULL 481 #define ZPL_VERSION_4 4ULL 482 #define ZPL_VERSION_5 5ULL 483 #define ZPL_VERSION ZPL_VERSION_5 484 #define ZPL_VERSION_STRING "5" 485 486 #define ZPL_VERSION_INITIAL ZPL_VERSION_1 487 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 488 #define ZPL_VERSION_FUID ZPL_VERSION_3 489 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 490 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3 491 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4 492 #define ZPL_VERSION_SA ZPL_VERSION_5 493 494 /* Rewind request information */ 495 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ 496 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ 497 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ 498 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ 499 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ 500 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ 501 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ 502 503 typedef struct zpool_rewind_policy { 504 uint32_t zrp_request; /* rewind behavior requested */ 505 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ 506 uint64_t zrp_maxdata; /* max acceptable data errors */ 507 uint64_t zrp_txg; /* specific txg to load */ 508 } zpool_rewind_policy_t; 509 510 /* 511 * The following are configuration names used in the nvlist describing a pool's 512 * configuration. 513 */ 514 #define ZPOOL_CONFIG_VERSION "version" 515 #define ZPOOL_CONFIG_POOL_NAME "name" 516 #define ZPOOL_CONFIG_POOL_STATE "state" 517 #define ZPOOL_CONFIG_POOL_TXG "txg" 518 #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 519 #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 520 #define ZPOOL_CONFIG_TOP_GUID "top_guid" 521 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 522 #define ZPOOL_CONFIG_TYPE "type" 523 #define ZPOOL_CONFIG_CHILDREN "children" 524 #define ZPOOL_CONFIG_ID "id" 525 #define ZPOOL_CONFIG_GUID "guid" 526 #define ZPOOL_CONFIG_PATH "path" 527 #define ZPOOL_CONFIG_DEVID "devid" 528 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 529 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 530 #define ZPOOL_CONFIG_ASHIFT "ashift" 531 #define ZPOOL_CONFIG_ASIZE "asize" 532 #define ZPOOL_CONFIG_DTL "DTL" 533 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ 534 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ 535 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 536 #define ZPOOL_CONFIG_ERRCOUNT "error_count" 537 #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 538 #define ZPOOL_CONFIG_SPARES "spares" 539 #define ZPOOL_CONFIG_IS_SPARE "is_spare" 540 #define ZPOOL_CONFIG_NPARITY "nparity" 541 #define ZPOOL_CONFIG_HOSTID "hostid" 542 #define ZPOOL_CONFIG_HOSTNAME "hostname" 543 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" 544 #define ZPOOL_CONFIG_UNSPARE "unspare" 545 #define ZPOOL_CONFIG_PHYS_PATH "phys_path" 546 #define ZPOOL_CONFIG_IS_LOG "is_log" 547 #define ZPOOL_CONFIG_L2CACHE "l2cache" 548 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 549 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 550 #define ZPOOL_CONFIG_IS_HOLE "is_hole" 551 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 552 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 553 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 554 #define ZPOOL_CONFIG_SPLIT "splitcfg" 555 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid" 556 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid" 557 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list" 558 #define ZPOOL_CONFIG_REMOVING "removing" 559 #define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg" 560 #define ZPOOL_CONFIG_COMMENT "comment" 561 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ 562 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ 563 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ 564 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ 565 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ 566 #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */ 567 #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */ 568 #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */ 569 #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */ 570 #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" 571 #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */ 572 #define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top" 573 #define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf" 574 #define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps" 575 /* 576 * The persistent vdev state is stored as separate values rather than a single 577 * 'vdev_state' entry. This is because a device can be in multiple states, such 578 * as offline and degraded. 579 */ 580 #define ZPOOL_CONFIG_OFFLINE "offline" 581 #define ZPOOL_CONFIG_FAULTED "faulted" 582 #define ZPOOL_CONFIG_DEGRADED "degraded" 583 #define ZPOOL_CONFIG_REMOVED "removed" 584 #define ZPOOL_CONFIG_FRU "fru" 585 #define ZPOOL_CONFIG_AUX_STATE "aux_state" 586 587 /* Rewind policy parameters */ 588 #define ZPOOL_REWIND_POLICY "rewind-policy" 589 #define ZPOOL_REWIND_REQUEST "rewind-request" 590 #define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" 591 #define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" 592 #define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" 593 594 /* Rewind data discovered */ 595 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" 596 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" 597 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" 598 599 #define VDEV_TYPE_ROOT "root" 600 #define VDEV_TYPE_MIRROR "mirror" 601 #define VDEV_TYPE_REPLACING "replacing" 602 #define VDEV_TYPE_RAIDZ "raidz" 603 #define VDEV_TYPE_DISK "disk" 604 #define VDEV_TYPE_FILE "file" 605 #define VDEV_TYPE_MISSING "missing" 606 #define VDEV_TYPE_HOLE "hole" 607 #define VDEV_TYPE_SPARE "spare" 608 #define VDEV_TYPE_LOG "log" 609 #define VDEV_TYPE_L2CACHE "l2cache" 610 611 /* 612 * This is needed in userland to report the minimum necessary device size. 613 * 614 * Note that the zfs test suite uses 64MB vdevs. 615 */ 616 #define SPA_MINDEVSIZE (64ULL << 20) 617 618 /* 619 * Set if the fragmentation has not yet been calculated. This can happen 620 * because the space maps have not been upgraded or the histogram feature 621 * is not enabled. 622 */ 623 #define ZFS_FRAG_INVALID UINT64_MAX 624 625 /* 626 * The location of the pool configuration repository, shared between kernel and 627 * userland. 628 */ 629 #ifdef __FreeBSD__ 630 #define ZPOOL_CACHE "/boot/zfs/zpool.cache" 631 #endif 632 #ifdef __NetBSD__ 633 #define ZPOOL_CACHE "/etc/zfs/zpool.cache" 634 #endif 635 636 /* 637 * vdev states are ordered from least to most healthy. 638 * A vdev that's CANT_OPEN or below is considered unusable. 639 */ 640 typedef enum vdev_state { 641 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ 642 VDEV_STATE_CLOSED, /* Not currently open */ 643 VDEV_STATE_OFFLINE, /* Not allowed to open */ 644 VDEV_STATE_REMOVED, /* Explicitly removed from system */ 645 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ 646 VDEV_STATE_FAULTED, /* External request to fault device */ 647 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ 648 VDEV_STATE_HEALTHY /* Presumed good */ 649 } vdev_state_t; 650 651 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY 652 653 /* 654 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field 655 * of the vdev stats structure uses these constants to distinguish why. 656 */ 657 typedef enum vdev_aux { 658 VDEV_AUX_NONE, /* no error */ 659 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ 660 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ 661 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ 662 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ 663 VDEV_AUX_TOO_SMALL, /* vdev size is too small */ 664 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ 665 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ 666 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ 667 VDEV_AUX_UNSUP_FEAT, /* unsupported features */ 668 VDEV_AUX_SPARED, /* hot spare used in another pool */ 669 VDEV_AUX_ERR_EXCEEDED, /* too many errors */ 670 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ 671 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ 672 VDEV_AUX_EXTERNAL, /* external diagnosis */ 673 VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */ 674 VDEV_AUX_ASHIFT_TOO_BIG /* vdev's min block size is too large */ 675 } vdev_aux_t; 676 677 /* 678 * pool state. The following states are written to disk as part of the normal 679 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 680 * states are software abstractions used at various levels to communicate 681 * pool state. 682 */ 683 typedef enum pool_state { 684 POOL_STATE_ACTIVE = 0, /* In active use */ 685 POOL_STATE_EXPORTED, /* Explicitly exported */ 686 POOL_STATE_DESTROYED, /* Explicitly destroyed */ 687 POOL_STATE_SPARE, /* Reserved for hot spare use */ 688 POOL_STATE_L2CACHE, /* Level 2 ARC device */ 689 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 690 POOL_STATE_UNAVAIL, /* Internal libzfs state */ 691 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 692 } pool_state_t; 693 694 /* 695 * Scan Functions. 696 */ 697 typedef enum pool_scan_func { 698 POOL_SCAN_NONE, 699 POOL_SCAN_SCRUB, 700 POOL_SCAN_RESILVER, 701 POOL_SCAN_FUNCS 702 } pool_scan_func_t; 703 704 /* 705 * ZIO types. Needed to interpret vdev statistics below. 706 */ 707 typedef enum zio_type { 708 ZIO_TYPE_NULL = 0, 709 ZIO_TYPE_READ, 710 ZIO_TYPE_WRITE, 711 ZIO_TYPE_FREE, 712 ZIO_TYPE_CLAIM, 713 ZIO_TYPE_IOCTL, 714 ZIO_TYPES 715 } zio_type_t; 716 717 /* 718 * Pool statistics. Note: all fields should be 64-bit because this 719 * is passed between kernel and userland as an nvlist uint64 array. 720 */ 721 typedef struct pool_scan_stat { 722 /* values stored on disk */ 723 uint64_t pss_func; /* pool_scan_func_t */ 724 uint64_t pss_state; /* dsl_scan_state_t */ 725 uint64_t pss_start_time; /* scan start time */ 726 uint64_t pss_end_time; /* scan end time */ 727 uint64_t pss_to_examine; /* total bytes to scan */ 728 uint64_t pss_examined; /* total examined bytes */ 729 uint64_t pss_to_process; /* total bytes to process */ 730 uint64_t pss_processed; /* total processed bytes */ 731 uint64_t pss_errors; /* scan errors */ 732 733 /* values not stored on disk */ 734 uint64_t pss_pass_exam; /* examined bytes per scan pass */ 735 uint64_t pss_pass_start; /* start time of a scan pass */ 736 } pool_scan_stat_t; 737 738 typedef enum dsl_scan_state { 739 DSS_NONE, 740 DSS_SCANNING, 741 DSS_FINISHED, 742 DSS_CANCELED, 743 DSS_NUM_STATES 744 } dsl_scan_state_t; 745 746 747 /* 748 * Vdev statistics. Note: all fields should be 64-bit because this 749 * is passed between kernel and userland as an nvlist uint64 array. 750 */ 751 typedef struct vdev_stat { 752 hrtime_t vs_timestamp; /* time since vdev load */ 753 uint64_t vs_state; /* vdev state */ 754 uint64_t vs_aux; /* see vdev_aux_t */ 755 uint64_t vs_alloc; /* space allocated */ 756 uint64_t vs_space; /* total capacity */ 757 uint64_t vs_dspace; /* deflated capacity */ 758 uint64_t vs_rsize; /* replaceable dev size */ 759 uint64_t vs_esize; /* expandable dev size */ 760 uint64_t vs_ops[ZIO_TYPES]; /* operation count */ 761 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ 762 uint64_t vs_read_errors; /* read errors */ 763 uint64_t vs_write_errors; /* write errors */ 764 uint64_t vs_checksum_errors; /* checksum errors */ 765 uint64_t vs_self_healed; /* self-healed bytes */ 766 uint64_t vs_scan_removing; /* removing? */ 767 uint64_t vs_scan_processed; /* scan processed bytes */ 768 uint64_t vs_configured_ashift; /* TLV vdev_ashift */ 769 uint64_t vs_logical_ashift; /* vdev_logical_ashift */ 770 uint64_t vs_physical_ashift; /* vdev_physical_ashift */ 771 uint64_t vs_fragmentation; /* device fragmentation */ 772 } vdev_stat_t; 773 #define VDEV_STAT_VALID(field, uint64_t_field_count) \ 774 ((uint64_t_field_count * sizeof(uint64_t)) >= \ 775 (offsetof(vdev_stat_t, field) + sizeof(((vdev_stat_t *)NULL)->field))) 776 777 /* 778 * DDT statistics. Note: all fields should be 64-bit because this 779 * is passed between kernel and userland as an nvlist uint64 array. 780 */ 781 typedef struct ddt_object { 782 uint64_t ddo_count; /* number of elments in ddt */ 783 uint64_t ddo_dspace; /* size of ddt on disk */ 784 uint64_t ddo_mspace; /* size of ddt in-core */ 785 } ddt_object_t; 786 787 typedef struct ddt_stat { 788 uint64_t dds_blocks; /* blocks */ 789 uint64_t dds_lsize; /* logical size */ 790 uint64_t dds_psize; /* physical size */ 791 uint64_t dds_dsize; /* deflated allocated size */ 792 uint64_t dds_ref_blocks; /* referenced blocks */ 793 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ 794 uint64_t dds_ref_psize; /* referenced psize * refcnt */ 795 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ 796 } ddt_stat_t; 797 798 typedef struct ddt_histogram { 799 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ 800 } ddt_histogram_t; 801 802 #define ZVOL_DRIVER "zvol" 803 #define ZFS_DRIVER "zfs" 804 #define ZFS_DEV_NAME "zfs" 805 #define ZFS_DEV "/dev/" ZFS_DEV_NAME 806 #define ZFS_DISK_ROOT "/dev/dsk" 807 #define ZFS_DISK_ROOTD ZFS_DISK_ROOT "/" 808 #define ZFS_RDISK_ROOT "/dev/rdsk" 809 #define ZFS_RDISK_ROOTD ZFS_RDISK_ROOT "/" 810 811 /* general zvol path */ 812 #define ZVOL_DIR "/dev/zvol" 813 /* expansion */ 814 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:" 815 /* for dump and swap */ 816 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/" 817 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/" 818 819 #define ZVOL_PROP_NAME "name" 820 #define ZVOL_DEFAULT_BLOCKSIZE 8192 821 822 /* 823 * /dev/zfs ioctl numbers. 824 */ 825 typedef enum zfs_ioc { 826 ZFS_IOC_FIRST = 0, 827 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, 828 ZFS_IOC_POOL_DESTROY, 829 ZFS_IOC_POOL_IMPORT, 830 ZFS_IOC_POOL_EXPORT, 831 ZFS_IOC_POOL_CONFIGS, 832 ZFS_IOC_POOL_STATS, 833 ZFS_IOC_POOL_TRYIMPORT, 834 ZFS_IOC_POOL_SCAN, 835 ZFS_IOC_POOL_FREEZE, 836 ZFS_IOC_POOL_UPGRADE, 837 ZFS_IOC_POOL_GET_HISTORY, 838 ZFS_IOC_VDEV_ADD, 839 ZFS_IOC_VDEV_REMOVE, 840 ZFS_IOC_VDEV_SET_STATE, 841 ZFS_IOC_VDEV_ATTACH, 842 ZFS_IOC_VDEV_DETACH, 843 ZFS_IOC_VDEV_SETPATH, 844 ZFS_IOC_VDEV_SETFRU, 845 ZFS_IOC_OBJSET_STATS, 846 ZFS_IOC_OBJSET_ZPLPROPS, 847 ZFS_IOC_DATASET_LIST_NEXT, 848 ZFS_IOC_SNAPSHOT_LIST_NEXT, 849 ZFS_IOC_SET_PROP, 850 ZFS_IOC_CREATE, 851 ZFS_IOC_DESTROY, 852 ZFS_IOC_ROLLBACK, 853 ZFS_IOC_RENAME, 854 ZFS_IOC_RECV, 855 ZFS_IOC_SEND, 856 ZFS_IOC_INJECT_FAULT, 857 ZFS_IOC_CLEAR_FAULT, 858 ZFS_IOC_INJECT_LIST_NEXT, 859 ZFS_IOC_ERROR_LOG, 860 ZFS_IOC_CLEAR, 861 ZFS_IOC_PROMOTE, 862 ZFS_IOC_DESTROY_SNAPS, 863 ZFS_IOC_SNAPSHOT, 864 ZFS_IOC_DSOBJ_TO_DSNAME, 865 ZFS_IOC_OBJ_TO_PATH, 866 ZFS_IOC_POOL_SET_PROPS, 867 ZFS_IOC_POOL_GET_PROPS, 868 ZFS_IOC_SET_FSACL, 869 ZFS_IOC_GET_FSACL, 870 ZFS_IOC_SHARE, 871 ZFS_IOC_INHERIT_PROP, 872 ZFS_IOC_SMB_ACL, 873 ZFS_IOC_USERSPACE_ONE, 874 ZFS_IOC_USERSPACE_MANY, 875 ZFS_IOC_USERSPACE_UPGRADE, 876 ZFS_IOC_HOLD, 877 ZFS_IOC_RELEASE, 878 ZFS_IOC_GET_HOLDS, 879 ZFS_IOC_OBJSET_RECVD_PROPS, 880 ZFS_IOC_VDEV_SPLIT, 881 ZFS_IOC_NEXT_OBJ, 882 ZFS_IOC_DIFF, 883 ZFS_IOC_TMP_SNAPSHOT, 884 ZFS_IOC_OBJ_TO_STATS, 885 ZFS_IOC_JAIL, 886 ZFS_IOC_UNJAIL, 887 ZFS_IOC_POOL_REGUID, 888 ZFS_IOC_SPACE_WRITTEN, 889 ZFS_IOC_SPACE_SNAPS, 890 ZFS_IOC_SEND_PROGRESS, 891 ZFS_IOC_POOL_REOPEN, 892 ZFS_IOC_LOG_HISTORY, 893 ZFS_IOC_SEND_NEW, 894 ZFS_IOC_SEND_SPACE, 895 ZFS_IOC_CLONE, 896 ZFS_IOC_BOOKMARK, 897 ZFS_IOC_GET_BOOKMARKS, 898 ZFS_IOC_DESTROY_BOOKMARKS, 899 ZFS_IOC_NEXTBOOT, 900 ZFS_IOC_LAST 901 } zfs_ioc_t; 902 903 /* 904 * Internal SPA load state. Used by FMA diagnosis engine. 905 */ 906 typedef enum { 907 SPA_LOAD_NONE, /* no load in progress */ 908 SPA_LOAD_OPEN, /* normal open */ 909 SPA_LOAD_IMPORT, /* import in progress */ 910 SPA_LOAD_TRYIMPORT, /* tryimport in progress */ 911 SPA_LOAD_RECOVER, /* recovery requested */ 912 SPA_LOAD_ERROR, /* load failed */ 913 SPA_LOAD_CREATE /* creation in progress */ 914 } spa_load_state_t; 915 916 /* 917 * Bookmark name values. 918 */ 919 #define ZPOOL_ERR_LIST "error list" 920 #define ZPOOL_ERR_DATASET "dataset" 921 #define ZPOOL_ERR_OBJECT "object" 922 923 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) 924 925 /* 926 * The following are names used in the nvlist describing 927 * the pool's history log. 928 */ 929 #define ZPOOL_HIST_RECORD "history record" 930 #define ZPOOL_HIST_TIME "history time" 931 #define ZPOOL_HIST_CMD "history command" 932 #define ZPOOL_HIST_WHO "history who" 933 #define ZPOOL_HIST_ZONE "history zone" 934 #define ZPOOL_HIST_HOST "history hostname" 935 #define ZPOOL_HIST_TXG "history txg" 936 #define ZPOOL_HIST_INT_EVENT "history internal event" 937 #define ZPOOL_HIST_INT_STR "history internal str" 938 #define ZPOOL_HIST_INT_NAME "internal_name" 939 #define ZPOOL_HIST_IOCTL "ioctl" 940 #define ZPOOL_HIST_INPUT_NVL "in_nvl" 941 #define ZPOOL_HIST_OUTPUT_NVL "out_nvl" 942 #define ZPOOL_HIST_DSNAME "dsname" 943 #define ZPOOL_HIST_DSID "dsid" 944 945 /* 946 * Flags for ZFS_IOC_VDEV_SET_STATE 947 */ 948 #define ZFS_ONLINE_CHECKREMOVE 0x1 949 #define ZFS_ONLINE_UNSPARE 0x2 950 #define ZFS_ONLINE_FORCEFAULT 0x4 951 #define ZFS_ONLINE_EXPAND 0x8 952 #define ZFS_OFFLINE_TEMPORARY 0x1 953 954 /* 955 * Flags for ZFS_IOC_POOL_IMPORT 956 */ 957 #define ZFS_IMPORT_NORMAL 0x0 958 #define ZFS_IMPORT_VERBATIM 0x1 959 #define ZFS_IMPORT_ANY_HOST 0x2 960 #define ZFS_IMPORT_MISSING_LOG 0x4 961 #define ZFS_IMPORT_ONLY 0x8 962 963 /* 964 * Sysevent payload members. ZFS will generate the following sysevents with the 965 * given payloads: 966 * 967 * ESC_ZFS_RESILVER_START 968 * ESC_ZFS_RESILVER_END 969 * ESC_ZFS_POOL_DESTROY 970 * ESC_ZFS_POOL_REGUID 971 * 972 * ZFS_EV_POOL_NAME DATA_TYPE_STRING 973 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 974 * 975 * ESC_ZFS_VDEV_REMOVE 976 * ESC_ZFS_VDEV_CLEAR 977 * ESC_ZFS_VDEV_CHECK 978 * 979 * ZFS_EV_POOL_NAME DATA_TYPE_STRING 980 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 981 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) 982 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 983 */ 984 #define ZFS_EV_POOL_NAME "pool_name" 985 #define ZFS_EV_POOL_GUID "pool_guid" 986 #define ZFS_EV_VDEV_PATH "vdev_path" 987 #define ZFS_EV_VDEV_GUID "vdev_guid" 988 989 #ifdef __cplusplus 990 } 991 #endif 992 993 #endif /* _SYS_FS_ZFS_H */ 994
Indexes created Tue May 26 00:24:38 UTC 2026