zfs.h revision 325534
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, 2016 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@FreeBSD.org>. All rights reserved. 28 * Copyright (c) 2014 Integros [integros.com] 29 * Copyright (c) 2017 Datto Inc. 30 */ 31 32/* Portions Copyright 2010 Robert Milkowski */ 33 34#ifndef _SYS_FS_ZFS_H 35#define _SYS_FS_ZFS_H 36 37#include <sys/types.h> 38#include <sys/ioccom.h> 39#include <sys/time.h> 40 41#ifdef __cplusplus 42extern "C" { 43#endif 44 45/* 46 * Types and constants shared between userland and the kernel. 47 */ 48 49/* 50 * Each dataset can be one of the following types. These constants can be 51 * combined into masks that can be passed to various functions. 52 */ 53typedef enum { 54 ZFS_TYPE_FILESYSTEM = (1 << 0), 55 ZFS_TYPE_SNAPSHOT = (1 << 1), 56 ZFS_TYPE_VOLUME = (1 << 2), 57 ZFS_TYPE_POOL = (1 << 3), 58 ZFS_TYPE_BOOKMARK = (1 << 4) 59} zfs_type_t; 60 61/* 62 * NB: lzc_dataset_type should be updated whenever a new objset type is added, 63 * if it represents a real type of a dataset that can be created from userland. 64 */ 65typedef enum dmu_objset_type { 66 DMU_OST_NONE, 67 DMU_OST_META, 68 DMU_OST_ZFS, 69 DMU_OST_ZVOL, 70 DMU_OST_OTHER, /* For testing only! */ 71 DMU_OST_ANY, /* Be careful! */ 72 DMU_OST_NUMTYPES 73} dmu_objset_type_t; 74 75#define ZFS_TYPE_DATASET \ 76 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT) 77 78/* 79 * All of these include the terminating NUL byte. 80 */ 81#define ZAP_MAXNAMELEN 256 82#define ZAP_MAXVALUELEN (1024 * 8) 83#define ZAP_OLDMAXVALUELEN 1024 84#define ZFS_MAX_DATASET_NAME_LEN 256 85 86/* 87 * Dataset properties are identified by these constants and must be added to 88 * the end of this list to ensure that external consumers are not affected 89 * by the change. If you make any changes to this list, be sure to update 90 * the property table in usr/src/common/zfs/zfs_prop.c. 91 */ 92typedef enum { 93 ZFS_PROP_TYPE, 94 ZFS_PROP_CREATION, 95 ZFS_PROP_USED, 96 ZFS_PROP_AVAILABLE, 97 ZFS_PROP_REFERENCED, 98 ZFS_PROP_COMPRESSRATIO, 99 ZFS_PROP_MOUNTED, 100 ZFS_PROP_ORIGIN, 101 ZFS_PROP_QUOTA, 102 ZFS_PROP_RESERVATION, 103 ZFS_PROP_VOLSIZE, 104 ZFS_PROP_VOLBLOCKSIZE, 105 ZFS_PROP_RECORDSIZE, 106 ZFS_PROP_MOUNTPOINT, 107 ZFS_PROP_SHARENFS, 108 ZFS_PROP_CHECKSUM, 109 ZFS_PROP_COMPRESSION, 110 ZFS_PROP_ATIME, 111 ZFS_PROP_DEVICES, 112 ZFS_PROP_EXEC, 113 ZFS_PROP_SETUID, 114 ZFS_PROP_READONLY, 115 ZFS_PROP_ZONED, 116 ZFS_PROP_SNAPDIR, 117 ZFS_PROP_ACLMODE, 118 ZFS_PROP_ACLINHERIT, 119 ZFS_PROP_CREATETXG, /* not exposed to the user */ 120 ZFS_PROP_NAME, /* not exposed to the user */ 121 ZFS_PROP_CANMOUNT, 122 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */ 123 ZFS_PROP_XATTR, 124 ZFS_PROP_NUMCLONES, /* not exposed to the user */ 125 ZFS_PROP_COPIES, 126 ZFS_PROP_VERSION, 127 ZFS_PROP_UTF8ONLY, 128 ZFS_PROP_NORMALIZE, 129 ZFS_PROP_CASE, 130 ZFS_PROP_VSCAN, 131 ZFS_PROP_NBMAND, 132 ZFS_PROP_SHARESMB, 133 ZFS_PROP_REFQUOTA, 134 ZFS_PROP_REFRESERVATION, 135 ZFS_PROP_GUID, 136 ZFS_PROP_PRIMARYCACHE, 137 ZFS_PROP_SECONDARYCACHE, 138 ZFS_PROP_USEDSNAP, 139 ZFS_PROP_USEDDS, 140 ZFS_PROP_USEDCHILD, 141 ZFS_PROP_USEDREFRESERV, 142 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */ 143 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */ 144 ZFS_PROP_DEFER_DESTROY, 145 ZFS_PROP_USERREFS, 146 ZFS_PROP_LOGBIAS, 147 ZFS_PROP_UNIQUE, /* not exposed to the user */ 148 ZFS_PROP_OBJSETID, /* not exposed to the user */ 149 ZFS_PROP_DEDUP, 150 ZFS_PROP_MLSLABEL, 151 ZFS_PROP_SYNC, 152 ZFS_PROP_REFRATIO, 153 ZFS_PROP_WRITTEN, 154 ZFS_PROP_CLONES, 155 ZFS_PROP_LOGICALUSED, 156 ZFS_PROP_LOGICALREFERENCED, 157 ZFS_PROP_INCONSISTENT, /* not exposed to the user */ 158 ZFS_PROP_VOLMODE, 159 ZFS_PROP_FILESYSTEM_LIMIT, 160 ZFS_PROP_SNAPSHOT_LIMIT, 161 ZFS_PROP_FILESYSTEM_COUNT, 162 ZFS_PROP_SNAPSHOT_COUNT, 163 ZFS_PROP_REDUNDANT_METADATA, 164 ZFS_PROP_PREV_SNAP, 165 ZFS_PROP_RECEIVE_RESUME_TOKEN, 166 ZFS_NUM_PROPS 167} zfs_prop_t; 168 169typedef enum { 170 ZFS_PROP_USERUSED, 171 ZFS_PROP_USERQUOTA, 172 ZFS_PROP_GROUPUSED, 173 ZFS_PROP_GROUPQUOTA, 174 ZFS_NUM_USERQUOTA_PROPS 175} zfs_userquota_prop_t; 176 177extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS]; 178 179/* 180 * Pool properties are identified by these constants and must be added to the 181 * end of this list to ensure that external consumers are not affected 182 * by the change. If you make any changes to this list, be sure to update 183 * the property table in usr/src/common/zfs/zpool_prop.c. 184 */ 185typedef enum { 186 ZPOOL_PROP_NAME, 187 ZPOOL_PROP_SIZE, 188 ZPOOL_PROP_CAPACITY, 189 ZPOOL_PROP_ALTROOT, 190 ZPOOL_PROP_HEALTH, 191 ZPOOL_PROP_GUID, 192 ZPOOL_PROP_VERSION, 193 ZPOOL_PROP_BOOTFS, 194 ZPOOL_PROP_DELEGATION, 195 ZPOOL_PROP_AUTOREPLACE, 196 ZPOOL_PROP_CACHEFILE, 197 ZPOOL_PROP_FAILUREMODE, 198 ZPOOL_PROP_LISTSNAPS, 199 ZPOOL_PROP_AUTOEXPAND, 200 ZPOOL_PROP_DEDUPDITTO, 201 ZPOOL_PROP_DEDUPRATIO, 202 ZPOOL_PROP_FREE, 203 ZPOOL_PROP_ALLOCATED, 204 ZPOOL_PROP_READONLY, 205 ZPOOL_PROP_COMMENT, 206 ZPOOL_PROP_EXPANDSZ, 207 ZPOOL_PROP_FREEING, 208 ZPOOL_PROP_FRAGMENTATION, 209 ZPOOL_PROP_LEAKED, 210 ZPOOL_PROP_MAXBLOCKSIZE, 211 ZPOOL_NUM_PROPS 212} zpool_prop_t; 213 214/* Small enough to not hog a whole line of printout in zpool(1M). */ 215#define ZPROP_MAX_COMMENT 32 216 217#define ZPROP_CONT -2 218#define ZPROP_INVAL -1 219 220#define ZPROP_VALUE "value" 221#define ZPROP_SOURCE "source" 222 223typedef enum { 224 ZPROP_SRC_NONE = 0x1, 225 ZPROP_SRC_DEFAULT = 0x2, 226 ZPROP_SRC_TEMPORARY = 0x4, 227 ZPROP_SRC_LOCAL = 0x8, 228 ZPROP_SRC_INHERITED = 0x10, 229 ZPROP_SRC_RECEIVED = 0x20 230} zprop_source_t; 231 232#define ZPROP_SRC_ALL 0x3f 233 234#define ZPROP_SOURCE_VAL_RECVD "$recvd" 235#define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS" 236/* 237 * Dataset flag implemented as a special entry in the props zap object 238 * indicating that the dataset has received properties on or after 239 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties 240 * just as it did in earlier versions, and thereafter, local properties are 241 * preserved. 242 */ 243#define ZPROP_HAS_RECVD "$hasrecvd" 244 245typedef enum { 246 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */ 247 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */ 248} zprop_errflags_t; 249 250typedef int (*zprop_func)(int, void *); 251 252/* 253 * Properties to be set on the root file system of a new pool 254 * are stuffed into their own nvlist, which is then included in 255 * the properties nvlist with the pool properties. 256 */ 257#define ZPOOL_ROOTFS_PROPS "root-props-nvl" 258 259/* 260 * Length of 'written@' and 'written#' 261 */ 262#define ZFS_WRITTEN_PROP_PREFIX_LEN 8 263 264/* 265 * Dataset property functions shared between libzfs and kernel. 266 */ 267const char *zfs_prop_default_string(zfs_prop_t); 268uint64_t zfs_prop_default_numeric(zfs_prop_t); 269boolean_t zfs_prop_readonly(zfs_prop_t); 270boolean_t zfs_prop_visible(zfs_prop_t prop); 271boolean_t zfs_prop_inheritable(zfs_prop_t); 272boolean_t zfs_prop_setonce(zfs_prop_t); 273const char *zfs_prop_to_name(zfs_prop_t); 274zfs_prop_t zfs_name_to_prop(const char *); 275boolean_t zfs_prop_user(const char *); 276boolean_t zfs_prop_userquota(const char *); 277int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **); 278int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *); 279uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed); 280boolean_t zfs_prop_valid_for_type(int, zfs_type_t); 281 282/* 283 * Pool property functions shared between libzfs and kernel. 284 */ 285zpool_prop_t zpool_name_to_prop(const char *); 286const char *zpool_prop_to_name(zpool_prop_t); 287const char *zpool_prop_default_string(zpool_prop_t); 288uint64_t zpool_prop_default_numeric(zpool_prop_t); 289boolean_t zpool_prop_readonly(zpool_prop_t); 290boolean_t zpool_prop_feature(const char *); 291boolean_t zpool_prop_unsupported(const char *name); 292int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **); 293int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *); 294uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed); 295 296/* 297 * Definitions for the Delegation. 298 */ 299typedef enum { 300 ZFS_DELEG_WHO_UNKNOWN = 0, 301 ZFS_DELEG_USER = 'u', 302 ZFS_DELEG_USER_SETS = 'U', 303 ZFS_DELEG_GROUP = 'g', 304 ZFS_DELEG_GROUP_SETS = 'G', 305 ZFS_DELEG_EVERYONE = 'e', 306 ZFS_DELEG_EVERYONE_SETS = 'E', 307 ZFS_DELEG_CREATE = 'c', 308 ZFS_DELEG_CREATE_SETS = 'C', 309 ZFS_DELEG_NAMED_SET = 's', 310 ZFS_DELEG_NAMED_SET_SETS = 'S' 311} zfs_deleg_who_type_t; 312 313typedef enum { 314 ZFS_DELEG_NONE = 0, 315 ZFS_DELEG_PERM_LOCAL = 1, 316 ZFS_DELEG_PERM_DESCENDENT = 2, 317 ZFS_DELEG_PERM_LOCALDESCENDENT = 3, 318 ZFS_DELEG_PERM_CREATE = 4 319} zfs_deleg_inherit_t; 320 321#define ZFS_DELEG_PERM_UID "uid" 322#define ZFS_DELEG_PERM_GID "gid" 323#define ZFS_DELEG_PERM_GROUPS "groups" 324 325#define ZFS_MLSLABEL_DEFAULT "none" 326 327#define ZFS_SMB_ACL_SRC "src" 328#define ZFS_SMB_ACL_TARGET "target" 329 330typedef enum { 331 ZFS_CANMOUNT_OFF = 0, 332 ZFS_CANMOUNT_ON = 1, 333 ZFS_CANMOUNT_NOAUTO = 2 334} zfs_canmount_type_t; 335 336typedef enum { 337 ZFS_LOGBIAS_LATENCY = 0, 338 ZFS_LOGBIAS_THROUGHPUT = 1 339} zfs_logbias_op_t; 340 341typedef enum zfs_share_op { 342 ZFS_SHARE_NFS = 0, 343 ZFS_UNSHARE_NFS = 1, 344 ZFS_SHARE_SMB = 2, 345 ZFS_UNSHARE_SMB = 3 346} zfs_share_op_t; 347 348typedef enum zfs_smb_acl_op { 349 ZFS_SMB_ACL_ADD, 350 ZFS_SMB_ACL_REMOVE, 351 ZFS_SMB_ACL_RENAME, 352 ZFS_SMB_ACL_PURGE 353} zfs_smb_acl_op_t; 354 355typedef enum zfs_cache_type { 356 ZFS_CACHE_NONE = 0, 357 ZFS_CACHE_METADATA = 1, 358 ZFS_CACHE_ALL = 2 359} zfs_cache_type_t; 360 361typedef enum { 362 ZFS_SYNC_STANDARD = 0, 363 ZFS_SYNC_ALWAYS = 1, 364 ZFS_SYNC_DISABLED = 2 365} zfs_sync_type_t; 366 367typedef enum { 368 ZFS_VOLMODE_DEFAULT = 0, 369 ZFS_VOLMODE_GEOM = 1, 370 ZFS_VOLMODE_DEV = 2, 371 ZFS_VOLMODE_NONE = 3 372} zfs_volmode_t; 373 374typedef enum { 375 ZFS_REDUNDANT_METADATA_ALL, 376 ZFS_REDUNDANT_METADATA_MOST 377} zfs_redundant_metadata_type_t; 378 379/* 380 * On-disk version number. 381 */ 382#define SPA_VERSION_1 1ULL 383#define SPA_VERSION_2 2ULL 384#define SPA_VERSION_3 3ULL 385#define SPA_VERSION_4 4ULL 386#define SPA_VERSION_5 5ULL 387#define SPA_VERSION_6 6ULL 388#define SPA_VERSION_7 7ULL 389#define SPA_VERSION_8 8ULL 390#define SPA_VERSION_9 9ULL 391#define SPA_VERSION_10 10ULL 392#define SPA_VERSION_11 11ULL 393#define SPA_VERSION_12 12ULL 394#define SPA_VERSION_13 13ULL 395#define SPA_VERSION_14 14ULL 396#define SPA_VERSION_15 15ULL 397#define SPA_VERSION_16 16ULL 398#define SPA_VERSION_17 17ULL 399#define SPA_VERSION_18 18ULL 400#define SPA_VERSION_19 19ULL 401#define SPA_VERSION_20 20ULL 402#define SPA_VERSION_21 21ULL 403#define SPA_VERSION_22 22ULL 404#define SPA_VERSION_23 23ULL 405#define SPA_VERSION_24 24ULL 406#define SPA_VERSION_25 25ULL 407#define SPA_VERSION_26 26ULL 408#define SPA_VERSION_27 27ULL 409#define SPA_VERSION_28 28ULL 410#define SPA_VERSION_5000 5000ULL 411 412/* 413 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk 414 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*}, 415 * and do the appropriate changes. Also bump the version number in 416 * usr/src/grub/capability. 417 */ 418#define SPA_VERSION SPA_VERSION_5000 419#define SPA_VERSION_STRING "5000" 420 421/* 422 * Symbolic names for the changes that caused a SPA_VERSION switch. 423 * Used in the code when checking for presence or absence of a feature. 424 * Feel free to define multiple symbolic names for each version if there 425 * were multiple changes to on-disk structures during that version. 426 * 427 * NOTE: When checking the current SPA_VERSION in your code, be sure 428 * to use spa_version() since it reports the version of the 429 * last synced uberblock. Checking the in-flight version can 430 * be dangerous in some cases. 431 */ 432#define SPA_VERSION_INITIAL SPA_VERSION_1 433#define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2 434#define SPA_VERSION_SPARES SPA_VERSION_3 435#define SPA_VERSION_RAIDZ2 SPA_VERSION_3 436#define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3 437#define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3 438#define SPA_VERSION_DNODE_BYTES SPA_VERSION_3 439#define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4 440#define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5 441#define SPA_VERSION_BOOTFS SPA_VERSION_6 442#define SPA_VERSION_SLOGS SPA_VERSION_7 443#define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8 444#define SPA_VERSION_FUID SPA_VERSION_9 445#define SPA_VERSION_REFRESERVATION SPA_VERSION_9 446#define SPA_VERSION_REFQUOTA SPA_VERSION_9 447#define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9 448#define SPA_VERSION_L2CACHE SPA_VERSION_10 449#define SPA_VERSION_NEXT_CLONES SPA_VERSION_11 450#define SPA_VERSION_ORIGIN SPA_VERSION_11 451#define SPA_VERSION_DSL_SCRUB SPA_VERSION_11 452#define SPA_VERSION_SNAP_PROPS SPA_VERSION_12 453#define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13 454#define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14 455#define SPA_VERSION_USERSPACE SPA_VERSION_15 456#define SPA_VERSION_STMF_PROP SPA_VERSION_16 457#define SPA_VERSION_RAIDZ3 SPA_VERSION_17 458#define SPA_VERSION_USERREFS SPA_VERSION_18 459#define SPA_VERSION_HOLES SPA_VERSION_19 460#define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20 461#define SPA_VERSION_DEDUP SPA_VERSION_21 462#define SPA_VERSION_RECVD_PROPS SPA_VERSION_22 463#define SPA_VERSION_SLIM_ZIL SPA_VERSION_23 464#define SPA_VERSION_SA SPA_VERSION_24 465#define SPA_VERSION_SCAN SPA_VERSION_25 466#define SPA_VERSION_DIR_CLONES SPA_VERSION_26 467#define SPA_VERSION_DEADLISTS SPA_VERSION_26 468#define SPA_VERSION_FAST_SNAP SPA_VERSION_27 469#define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28 470#define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28 471#define SPA_VERSION_FEATURES SPA_VERSION_5000 472 473#define SPA_VERSION_IS_SUPPORTED(v) \ 474 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ 475 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) 476 477/* 478 * ZPL version - rev'd whenever an incompatible on-disk format change 479 * occurs. This is independent of SPA/DMU/ZAP versioning. You must 480 * also update the version_table[] and help message in zfs_prop.c. 481 * 482 * When changing, be sure to teach GRUB how to read the new format! 483 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*} 484 */ 485#define ZPL_VERSION_1 1ULL 486#define ZPL_VERSION_2 2ULL 487#define ZPL_VERSION_3 3ULL 488#define ZPL_VERSION_4 4ULL 489#define ZPL_VERSION_5 5ULL 490#define ZPL_VERSION ZPL_VERSION_5 491#define ZPL_VERSION_STRING "5" 492 493#define ZPL_VERSION_INITIAL ZPL_VERSION_1 494#define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2 495#define ZPL_VERSION_FUID ZPL_VERSION_3 496#define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3 497#define ZPL_VERSION_SYSATTR ZPL_VERSION_3 498#define ZPL_VERSION_USERSPACE ZPL_VERSION_4 499#define ZPL_VERSION_SA ZPL_VERSION_5 500 501/* Rewind request information */ 502#define ZPOOL_NO_REWIND 1 /* No policy - default behavior */ 503#define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */ 504#define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */ 505#define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */ 506#define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */ 507#define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */ 508#define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */ 509 510typedef struct zpool_rewind_policy { 511 uint32_t zrp_request; /* rewind behavior requested */ 512 uint64_t zrp_maxmeta; /* max acceptable meta-data errors */ 513 uint64_t zrp_maxdata; /* max acceptable data errors */ 514 uint64_t zrp_txg; /* specific txg to load */ 515} zpool_rewind_policy_t; 516 517/* 518 * The following are configuration names used in the nvlist describing a pool's 519 * configuration. 520 */ 521#define ZPOOL_CONFIG_VERSION "version" 522#define ZPOOL_CONFIG_POOL_NAME "name" 523#define ZPOOL_CONFIG_POOL_STATE "state" 524#define ZPOOL_CONFIG_POOL_TXG "txg" 525#define ZPOOL_CONFIG_POOL_GUID "pool_guid" 526#define ZPOOL_CONFIG_CREATE_TXG "create_txg" 527#define ZPOOL_CONFIG_TOP_GUID "top_guid" 528#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 529#define ZPOOL_CONFIG_TYPE "type" 530#define ZPOOL_CONFIG_CHILDREN "children" 531#define ZPOOL_CONFIG_ID "id" 532#define ZPOOL_CONFIG_GUID "guid" 533#define ZPOOL_CONFIG_PATH "path" 534#define ZPOOL_CONFIG_DEVID "devid" 535#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 536#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 537#define ZPOOL_CONFIG_ASHIFT "ashift" 538#define ZPOOL_CONFIG_ASIZE "asize" 539#define ZPOOL_CONFIG_DTL "DTL" 540#define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */ 541#define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */ 542#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 543#define ZPOOL_CONFIG_ERRCOUNT "error_count" 544#define ZPOOL_CONFIG_NOT_PRESENT "not_present" 545#define ZPOOL_CONFIG_SPARES "spares" 546#define ZPOOL_CONFIG_IS_SPARE "is_spare" 547#define ZPOOL_CONFIG_NPARITY "nparity" 548#define ZPOOL_CONFIG_HOSTID "hostid" 549#define ZPOOL_CONFIG_HOSTNAME "hostname" 550#define ZPOOL_CONFIG_LOADED_TIME "initial_load_time" 551#define ZPOOL_CONFIG_UNSPARE "unspare" 552#define ZPOOL_CONFIG_PHYS_PATH "phys_path" 553#define ZPOOL_CONFIG_IS_LOG "is_log" 554#define ZPOOL_CONFIG_L2CACHE "l2cache" 555#define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 556#define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 557#define ZPOOL_CONFIG_IS_HOLE "is_hole" 558#define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 559#define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 560#define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 561#define ZPOOL_CONFIG_SPLIT "splitcfg" 562#define ZPOOL_CONFIG_ORIG_GUID "orig_guid" 563#define ZPOOL_CONFIG_SPLIT_GUID "split_guid" 564#define ZPOOL_CONFIG_SPLIT_LIST "guid_list" 565#define ZPOOL_CONFIG_REMOVING "removing" 566#define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg" 567#define ZPOOL_CONFIG_COMMENT "comment" 568#define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */ 569#define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */ 570#define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */ 571#define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */ 572#define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */ 573#define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */ 574#define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */ 575#define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */ 576#define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */ 577#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" 578#define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */ 579#define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top" 580#define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf" 581#define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps" 582/* 583 * The persistent vdev state is stored as separate values rather than a single 584 * 'vdev_state' entry. This is because a device can be in multiple states, such 585 * as offline and degraded. 586 */ 587#define ZPOOL_CONFIG_OFFLINE "offline" 588#define ZPOOL_CONFIG_FAULTED "faulted" 589#define ZPOOL_CONFIG_DEGRADED "degraded" 590#define ZPOOL_CONFIG_REMOVED "removed" 591#define ZPOOL_CONFIG_FRU "fru" 592#define ZPOOL_CONFIG_AUX_STATE "aux_state" 593 594/* Rewind policy parameters */ 595#define ZPOOL_REWIND_POLICY "rewind-policy" 596#define ZPOOL_REWIND_REQUEST "rewind-request" 597#define ZPOOL_REWIND_REQUEST_TXG "rewind-request-txg" 598#define ZPOOL_REWIND_META_THRESH "rewind-meta-thresh" 599#define ZPOOL_REWIND_DATA_THRESH "rewind-data-thresh" 600 601/* Rewind data discovered */ 602#define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts" 603#define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors" 604#define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind" 605 606#define VDEV_TYPE_ROOT "root" 607#define VDEV_TYPE_MIRROR "mirror" 608#define VDEV_TYPE_REPLACING "replacing" 609#define VDEV_TYPE_RAIDZ "raidz" 610#define VDEV_TYPE_DISK "disk" 611#define VDEV_TYPE_FILE "file" 612#define VDEV_TYPE_MISSING "missing" 613#define VDEV_TYPE_HOLE "hole" 614#define VDEV_TYPE_SPARE "spare" 615#define VDEV_TYPE_LOG "log" 616#define VDEV_TYPE_L2CACHE "l2cache" 617 618/* 619 * This is needed in userland to report the minimum necessary device size. 620 * 621 * Note that the zfs test suite uses 64MB vdevs. 622 */ 623#define SPA_MINDEVSIZE (64ULL << 20) 624 625/* 626 * Set if the fragmentation has not yet been calculated. This can happen 627 * because the space maps have not been upgraded or the histogram feature 628 * is not enabled. 629 */ 630#define ZFS_FRAG_INVALID UINT64_MAX 631 632/* 633 * The location of the pool configuration repository, shared between kernel and 634 * userland. 635 */ 636#define ZPOOL_CACHE "/boot/zfs/zpool.cache" 637 638/* 639 * vdev states are ordered from least to most healthy. 640 * A vdev that's CANT_OPEN or below is considered unusable. 641 */ 642typedef enum vdev_state { 643 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */ 644 VDEV_STATE_CLOSED, /* Not currently open */ 645 VDEV_STATE_OFFLINE, /* Not allowed to open */ 646 VDEV_STATE_REMOVED, /* Explicitly removed from system */ 647 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */ 648 VDEV_STATE_FAULTED, /* External request to fault device */ 649 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */ 650 VDEV_STATE_HEALTHY /* Presumed good */ 651} vdev_state_t; 652 653#define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY 654 655/* 656 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field 657 * of the vdev stats structure uses these constants to distinguish why. 658 */ 659typedef enum vdev_aux { 660 VDEV_AUX_NONE, /* no error */ 661 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */ 662 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */ 663 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */ 664 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */ 665 VDEV_AUX_TOO_SMALL, /* vdev size is too small */ 666 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */ 667 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */ 668 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */ 669 VDEV_AUX_UNSUP_FEAT, /* unsupported features */ 670 VDEV_AUX_SPARED, /* hot spare used in another pool */ 671 VDEV_AUX_ERR_EXCEEDED, /* too many errors */ 672 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */ 673 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */ 674 VDEV_AUX_EXTERNAL, /* external diagnosis */ 675 VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */ 676 VDEV_AUX_ASHIFT_TOO_BIG /* vdev's min block size is too large */ 677} vdev_aux_t; 678 679/* 680 * pool state. The following states are written to disk as part of the normal 681 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 682 * states are software abstractions used at various levels to communicate 683 * pool state. 684 */ 685typedef enum pool_state { 686 POOL_STATE_ACTIVE = 0, /* In active use */ 687 POOL_STATE_EXPORTED, /* Explicitly exported */ 688 POOL_STATE_DESTROYED, /* Explicitly destroyed */ 689 POOL_STATE_SPARE, /* Reserved for hot spare use */ 690 POOL_STATE_L2CACHE, /* Level 2 ARC device */ 691 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 692 POOL_STATE_UNAVAIL, /* Internal libzfs state */ 693 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 694} pool_state_t; 695 696/* 697 * Scan Functions. 698 */ 699typedef enum pool_scan_func { 700 POOL_SCAN_NONE, 701 POOL_SCAN_SCRUB, 702 POOL_SCAN_RESILVER, 703 POOL_SCAN_FUNCS 704} pool_scan_func_t; 705 706/* 707 * Used to control scrub pause and resume. 708 */ 709typedef enum pool_scrub_cmd { 710 POOL_SCRUB_NORMAL = 0, 711 POOL_SCRUB_PAUSE, 712 POOL_SCRUB_FLAGS_END 713} pool_scrub_cmd_t; 714 715 716/* 717 * ZIO types. Needed to interpret vdev statistics below. 718 */ 719typedef enum zio_type { 720 ZIO_TYPE_NULL = 0, 721 ZIO_TYPE_READ, 722 ZIO_TYPE_WRITE, 723 ZIO_TYPE_FREE, 724 ZIO_TYPE_CLAIM, 725 ZIO_TYPE_IOCTL, 726 ZIO_TYPES 727} zio_type_t; 728 729/* 730 * Pool statistics. Note: all fields should be 64-bit because this 731 * is passed between kernel and userland as an nvlist uint64 array. 732 */ 733typedef struct pool_scan_stat { 734 /* values stored on disk */ 735 uint64_t pss_func; /* pool_scan_func_t */ 736 uint64_t pss_state; /* dsl_scan_state_t */ 737 uint64_t pss_start_time; /* scan start time */ 738 uint64_t pss_end_time; /* scan end time */ 739 uint64_t pss_to_examine; /* total bytes to scan */ 740 uint64_t pss_examined; /* total examined bytes */ 741 uint64_t pss_to_process; /* total bytes to process */ 742 uint64_t pss_processed; /* total processed bytes */ 743 uint64_t pss_errors; /* scan errors */ 744 745 /* values not stored on disk */ 746 uint64_t pss_pass_exam; /* examined bytes per scan pass */ 747 uint64_t pss_pass_start; /* start time of a scan pass */ 748 uint64_t pss_pass_scrub_pause; /* pause time of a scurb pass */ 749 /* cumulative time scrub spent paused, needed for rate calculation */ 750 uint64_t pss_pass_scrub_spent_paused; 751} pool_scan_stat_t; 752 753typedef enum dsl_scan_state { 754 DSS_NONE, 755 DSS_SCANNING, 756 DSS_FINISHED, 757 DSS_CANCELED, 758 DSS_NUM_STATES 759} dsl_scan_state_t; 760 761 762/* 763 * Vdev statistics. Note: all fields should be 64-bit because this 764 * is passed between kernel and userland as an nvlist uint64 array. 765 */ 766typedef struct vdev_stat { 767 hrtime_t vs_timestamp; /* time since vdev load */ 768 uint64_t vs_state; /* vdev state */ 769 uint64_t vs_aux; /* see vdev_aux_t */ 770 uint64_t vs_alloc; /* space allocated */ 771 uint64_t vs_space; /* total capacity */ 772 uint64_t vs_dspace; /* deflated capacity */ 773 uint64_t vs_rsize; /* replaceable dev size */ 774 uint64_t vs_esize; /* expandable dev size */ 775 uint64_t vs_ops[ZIO_TYPES]; /* operation count */ 776 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */ 777 uint64_t vs_read_errors; /* read errors */ 778 uint64_t vs_write_errors; /* write errors */ 779 uint64_t vs_checksum_errors; /* checksum errors */ 780 uint64_t vs_self_healed; /* self-healed bytes */ 781 uint64_t vs_scan_removing; /* removing? */ 782 uint64_t vs_scan_processed; /* scan processed bytes */ 783 uint64_t vs_configured_ashift; /* TLV vdev_ashift */ 784 uint64_t vs_logical_ashift; /* vdev_logical_ashift */ 785 uint64_t vs_physical_ashift; /* vdev_physical_ashift */ 786 uint64_t vs_fragmentation; /* device fragmentation */ 787} vdev_stat_t; 788#define VDEV_STAT_VALID(field, uint64_t_field_count) \ 789 ((uint64_t_field_count * sizeof(uint64_t)) >= \ 790 (offsetof(vdev_stat_t, field) + sizeof(((vdev_stat_t *)NULL)->field))) 791 792/* 793 * DDT statistics. Note: all fields should be 64-bit because this 794 * is passed between kernel and userland as an nvlist uint64 array. 795 */ 796typedef struct ddt_object { 797 uint64_t ddo_count; /* number of elments in ddt */ 798 uint64_t ddo_dspace; /* size of ddt on disk */ 799 uint64_t ddo_mspace; /* size of ddt in-core */ 800} ddt_object_t; 801 802typedef struct ddt_stat { 803 uint64_t dds_blocks; /* blocks */ 804 uint64_t dds_lsize; /* logical size */ 805 uint64_t dds_psize; /* physical size */ 806 uint64_t dds_dsize; /* deflated allocated size */ 807 uint64_t dds_ref_blocks; /* referenced blocks */ 808 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */ 809 uint64_t dds_ref_psize; /* referenced psize * refcnt */ 810 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */ 811} ddt_stat_t; 812 813typedef struct ddt_histogram { 814 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */ 815} ddt_histogram_t; 816 817#define ZVOL_DRIVER "zvol" 818#define ZFS_DRIVER "zfs" 819#define ZFS_DEV_NAME "zfs" 820#define ZFS_DEV "/dev/" ZFS_DEV_NAME 821#define ZFS_DISK_ROOT "/dev/dsk" 822#define ZFS_DISK_ROOTD ZFS_DISK_ROOT "/" 823#define ZFS_RDISK_ROOT "/dev/rdsk" 824#define ZFS_RDISK_ROOTD ZFS_RDISK_ROOT "/" 825 826/* general zvol path */ 827#define ZVOL_DIR "/dev/zvol" 828/* expansion */ 829#define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:" 830/* for dump and swap */ 831#define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/" 832#define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/" 833 834#define ZVOL_PROP_NAME "name" 835#define ZVOL_DEFAULT_BLOCKSIZE 8192 836 837/* 838 * /dev/zfs ioctl numbers. 839 */ 840typedef enum zfs_ioc { 841 ZFS_IOC_FIRST = 0, 842 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST, 843 ZFS_IOC_POOL_DESTROY, 844 ZFS_IOC_POOL_IMPORT, 845 ZFS_IOC_POOL_EXPORT, 846 ZFS_IOC_POOL_CONFIGS, 847 ZFS_IOC_POOL_STATS, 848 ZFS_IOC_POOL_TRYIMPORT, 849 ZFS_IOC_POOL_SCAN, 850 ZFS_IOC_POOL_FREEZE, 851 ZFS_IOC_POOL_UPGRADE, 852 ZFS_IOC_POOL_GET_HISTORY, 853 ZFS_IOC_VDEV_ADD, 854 ZFS_IOC_VDEV_REMOVE, 855 ZFS_IOC_VDEV_SET_STATE, 856 ZFS_IOC_VDEV_ATTACH, 857 ZFS_IOC_VDEV_DETACH, 858 ZFS_IOC_VDEV_SETPATH, 859 ZFS_IOC_VDEV_SETFRU, 860 ZFS_IOC_OBJSET_STATS, 861 ZFS_IOC_OBJSET_ZPLPROPS, 862 ZFS_IOC_DATASET_LIST_NEXT, 863 ZFS_IOC_SNAPSHOT_LIST_NEXT, 864 ZFS_IOC_SET_PROP, 865 ZFS_IOC_CREATE, 866 ZFS_IOC_DESTROY, 867 ZFS_IOC_ROLLBACK, 868 ZFS_IOC_RENAME, 869 ZFS_IOC_RECV, 870 ZFS_IOC_SEND, 871 ZFS_IOC_INJECT_FAULT, 872 ZFS_IOC_CLEAR_FAULT, 873 ZFS_IOC_INJECT_LIST_NEXT, 874 ZFS_IOC_ERROR_LOG, 875 ZFS_IOC_CLEAR, 876 ZFS_IOC_PROMOTE, 877 ZFS_IOC_DESTROY_SNAPS, 878 ZFS_IOC_SNAPSHOT, 879 ZFS_IOC_DSOBJ_TO_DSNAME, 880 ZFS_IOC_OBJ_TO_PATH, 881 ZFS_IOC_POOL_SET_PROPS, 882 ZFS_IOC_POOL_GET_PROPS, 883 ZFS_IOC_SET_FSACL, 884 ZFS_IOC_GET_FSACL, 885 ZFS_IOC_SHARE, 886 ZFS_IOC_INHERIT_PROP, 887 ZFS_IOC_SMB_ACL, 888 ZFS_IOC_USERSPACE_ONE, 889 ZFS_IOC_USERSPACE_MANY, 890 ZFS_IOC_USERSPACE_UPGRADE, 891 ZFS_IOC_HOLD, 892 ZFS_IOC_RELEASE, 893 ZFS_IOC_GET_HOLDS, 894 ZFS_IOC_OBJSET_RECVD_PROPS, 895 ZFS_IOC_VDEV_SPLIT, 896 ZFS_IOC_NEXT_OBJ, 897 ZFS_IOC_DIFF, 898 ZFS_IOC_TMP_SNAPSHOT, 899 ZFS_IOC_OBJ_TO_STATS, 900 ZFS_IOC_JAIL, 901 ZFS_IOC_UNJAIL, 902 ZFS_IOC_POOL_REGUID, 903 ZFS_IOC_SPACE_WRITTEN, 904 ZFS_IOC_SPACE_SNAPS, 905 ZFS_IOC_SEND_PROGRESS, 906 ZFS_IOC_POOL_REOPEN, 907 ZFS_IOC_LOG_HISTORY, 908 ZFS_IOC_SEND_NEW, 909 ZFS_IOC_SEND_SPACE, 910 ZFS_IOC_CLONE, 911 ZFS_IOC_BOOKMARK, 912 ZFS_IOC_GET_BOOKMARKS, 913 ZFS_IOC_DESTROY_BOOKMARKS, 914#ifdef __FreeBSD__ 915 ZFS_IOC_NEXTBOOT, 916#endif 917 ZFS_IOC_CHANNEL_PROGRAM, 918 ZFS_IOC_LAST 919} zfs_ioc_t; 920 921/* 922 * Internal SPA load state. Used by FMA diagnosis engine. 923 */ 924typedef enum { 925 SPA_LOAD_NONE, /* no load in progress */ 926 SPA_LOAD_OPEN, /* normal open */ 927 SPA_LOAD_IMPORT, /* import in progress */ 928 SPA_LOAD_TRYIMPORT, /* tryimport in progress */ 929 SPA_LOAD_RECOVER, /* recovery requested */ 930 SPA_LOAD_ERROR, /* load failed */ 931 SPA_LOAD_CREATE /* creation in progress */ 932} spa_load_state_t; 933 934/* 935 * Bookmark name values. 936 */ 937#define ZPOOL_ERR_LIST "error list" 938#define ZPOOL_ERR_DATASET "dataset" 939#define ZPOOL_ERR_OBJECT "object" 940 941#define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1) 942 943/* 944 * The following are names used in the nvlist describing 945 * the pool's history log. 946 */ 947#define ZPOOL_HIST_RECORD "history record" 948#define ZPOOL_HIST_TIME "history time" 949#define ZPOOL_HIST_CMD "history command" 950#define ZPOOL_HIST_WHO "history who" 951#define ZPOOL_HIST_ZONE "history zone" 952#define ZPOOL_HIST_HOST "history hostname" 953#define ZPOOL_HIST_TXG "history txg" 954#define ZPOOL_HIST_INT_EVENT "history internal event" 955#define ZPOOL_HIST_INT_STR "history internal str" 956#define ZPOOL_HIST_INT_NAME "internal_name" 957#define ZPOOL_HIST_IOCTL "ioctl" 958#define ZPOOL_HIST_INPUT_NVL "in_nvl" 959#define ZPOOL_HIST_OUTPUT_NVL "out_nvl" 960#define ZPOOL_HIST_DSNAME "dsname" 961#define ZPOOL_HIST_DSID "dsid" 962#define ZPOOL_HIST_ERRNO "errno" 963 964/* 965 * Flags for ZFS_IOC_VDEV_SET_STATE 966 */ 967#define ZFS_ONLINE_CHECKREMOVE 0x1 968#define ZFS_ONLINE_UNSPARE 0x2 969#define ZFS_ONLINE_FORCEFAULT 0x4 970#define ZFS_ONLINE_EXPAND 0x8 971#define ZFS_OFFLINE_TEMPORARY 0x1 972 973/* 974 * Flags for ZFS_IOC_POOL_IMPORT 975 */ 976#define ZFS_IMPORT_NORMAL 0x0 977#define ZFS_IMPORT_VERBATIM 0x1 978#define ZFS_IMPORT_ANY_HOST 0x2 979#define ZFS_IMPORT_MISSING_LOG 0x4 980#define ZFS_IMPORT_ONLY 0x8 981 982/* 983 * Channel program argument/return nvlist keys and defaults. 984 */ 985#define ZCP_ARG_PROGRAM "program" 986#define ZCP_ARG_ARGLIST "arg" 987#define ZCP_ARG_INSTRLIMIT "instrlimit" 988#define ZCP_ARG_MEMLIMIT "memlimit" 989 990#define ZCP_ARG_CLIARGV "argv" 991 992#define ZCP_RET_ERROR "error" 993#define ZCP_RET_RETURN "return" 994 995#define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000) 996#define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT) 997#define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024) 998#define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT) 999 1000/* 1001 * Sysevent payload members. ZFS will generate the following sysevents with the 1002 * given payloads: 1003 * 1004 * ESC_ZFS_RESILVER_START 1005 * ESC_ZFS_RESILVER_END 1006 * ESC_ZFS_POOL_DESTROY 1007 * ESC_ZFS_POOL_REGUID 1008 * 1009 * ZFS_EV_POOL_NAME DATA_TYPE_STRING 1010 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 1011 * 1012 * ESC_ZFS_VDEV_REMOVE 1013 * ESC_ZFS_VDEV_CLEAR 1014 * ESC_ZFS_VDEV_CHECK 1015 * 1016 * ZFS_EV_POOL_NAME DATA_TYPE_STRING 1017 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64 1018 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional) 1019 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64 1020 */ 1021#define ZFS_EV_POOL_NAME "pool_name" 1022#define ZFS_EV_POOL_GUID "pool_guid" 1023#define ZFS_EV_VDEV_PATH "vdev_path" 1024#define ZFS_EV_VDEV_GUID "vdev_guid" 1025 1026#ifdef __cplusplus 1027} 1028#endif 1029 1030#endif /* _SYS_FS_ZFS_H */ 1031