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.
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.
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]
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) 2012, Martin Matuska <mm@FreeBSD.org>. All rights reserved.
27 * Copyright (c) 2014 Integros [integros.com]
28 * Copyright 2017 Joyent, Inc.
29 * Copyright (c) 2019 Datto Inc.
30 * Copyright (c) 2017, Intel Corporation.
33 /* Portions Copyright 2010 Robert Milkowski */
38 #include <sys/types.h>
39 #include <sys/ioccom.h>
47 * Types and constants shared between userland and the kernel.
51 * Each dataset can be one of the following types. These constants can be
52 * combined into masks that can be passed to various functions.
55 ZFS_TYPE_FILESYSTEM = (1 << 0),
56 ZFS_TYPE_SNAPSHOT = (1 << 1),
57 ZFS_TYPE_VOLUME = (1 << 2),
58 ZFS_TYPE_POOL = (1 << 3),
59 ZFS_TYPE_BOOKMARK = (1 << 4)
63 * NB: lzc_dataset_type should be updated whenever a new objset type is added,
64 * if it represents a real type of a dataset that can be created from userland.
66 typedef enum dmu_objset_type {
71 DMU_OST_OTHER, /* For testing only! */
72 DMU_OST_ANY, /* Be careful! */
76 #define ZFS_TYPE_DATASET \
77 (ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME | ZFS_TYPE_SNAPSHOT)
80 * All of these include the terminating NUL byte.
82 #define ZAP_MAXNAMELEN 256
83 #define ZAP_MAXVALUELEN (1024 * 8)
84 #define ZAP_OLDMAXVALUELEN 1024
85 #define ZFS_MAX_DATASET_NAME_LEN 256
88 * Dataset properties are identified by these constants and must be added to
89 * the end of this list to ensure that external consumers are not affected
90 * by the change. If you make any changes to this list, be sure to update
91 * the property table in usr/src/common/zfs/zfs_prop.c.
101 ZFS_PROP_COMPRESSRATIO,
105 ZFS_PROP_RESERVATION,
107 ZFS_PROP_VOLBLOCKSIZE,
112 ZFS_PROP_COMPRESSION,
123 ZFS_PROP_NAME, /* not exposed to the user */
125 ZFS_PROP_ISCSIOPTIONS, /* not exposed to the user */
127 ZFS_PROP_NUMCLONES, /* not exposed to the user */
137 ZFS_PROP_REFRESERVATION,
139 ZFS_PROP_PRIMARYCACHE,
140 ZFS_PROP_SECONDARYCACHE,
144 ZFS_PROP_USEDREFRESERV,
145 ZFS_PROP_USERACCOUNTING, /* not exposed to the user */
146 ZFS_PROP_STMF_SHAREINFO, /* not exposed to the user */
147 ZFS_PROP_DEFER_DESTROY,
150 ZFS_PROP_UNIQUE, /* not exposed to the user */
151 ZFS_PROP_OBJSETID, /* not exposed to the user */
159 ZFS_PROP_LOGICALUSED,
160 ZFS_PROP_LOGICALREFERENCED,
161 ZFS_PROP_INCONSISTENT, /* not exposed to the user */
163 ZFS_PROP_FILESYSTEM_LIMIT,
164 ZFS_PROP_SNAPSHOT_LIMIT,
165 ZFS_PROP_FILESYSTEM_COUNT,
166 ZFS_PROP_SNAPSHOT_COUNT,
167 ZFS_PROP_REDUNDANT_METADATA,
169 ZFS_PROP_RECEIVE_RESUME_TOKEN,
170 ZFS_PROP_REMAPTXG, /* not exposed to the user */
171 ZFS_PROP_SPECIAL_SMALL_BLOCKS,
180 ZFS_NUM_USERQUOTA_PROPS
181 } zfs_userquota_prop_t;
183 extern const char *zfs_userquota_prop_prefixes[ZFS_NUM_USERQUOTA_PROPS];
186 * Pool properties are identified by these constants and must be added to the
187 * end of this list to ensure that external consumers are not affected
188 * by the change. If you make any changes to this list, be sure to update
189 * the property table in usr/src/common/zfs/zpool_prop.c.
192 ZPOOL_PROP_INVAL = -1,
201 ZPOOL_PROP_DELEGATION,
202 ZPOOL_PROP_AUTOREPLACE,
203 ZPOOL_PROP_CACHEFILE,
204 ZPOOL_PROP_FAILUREMODE,
205 ZPOOL_PROP_LISTSNAPS,
206 ZPOOL_PROP_AUTOEXPAND,
207 ZPOOL_PROP_DEDUPDITTO,
208 ZPOOL_PROP_DEDUPRATIO,
210 ZPOOL_PROP_ALLOCATED,
215 ZPOOL_PROP_FRAGMENTATION,
217 ZPOOL_PROP_MAXBLOCKSIZE,
219 ZPOOL_PROP_CHECKPOINT,
221 ZPOOL_PROP_MAXDNODESIZE,
222 ZPOOL_PROP_MULTIHOST,
226 /* Small enough to not hog a whole line of printout in zpool(1M). */
227 #define ZPROP_MAX_COMMENT 32
229 #define ZPROP_VALUE "value"
230 #define ZPROP_SOURCE "source"
233 ZPROP_SRC_NONE = 0x1,
234 ZPROP_SRC_DEFAULT = 0x2,
235 ZPROP_SRC_TEMPORARY = 0x4,
236 ZPROP_SRC_LOCAL = 0x8,
237 ZPROP_SRC_INHERITED = 0x10,
238 ZPROP_SRC_RECEIVED = 0x20
241 #define ZPROP_SRC_ALL 0x3f
243 #define ZPROP_SOURCE_VAL_RECVD "$recvd"
244 #define ZPROP_N_MORE_ERRORS "N_MORE_ERRORS"
246 * Dataset flag implemented as a special entry in the props zap object
247 * indicating that the dataset has received properties on or after
248 * SPA_VERSION_RECVD_PROPS. The first such receive blows away local properties
249 * just as it did in earlier versions, and thereafter, local properties are
252 #define ZPROP_HAS_RECVD "$hasrecvd"
255 ZPROP_ERR_NOCLEAR = 0x1, /* failure to clear existing props */
256 ZPROP_ERR_NORESTORE = 0x2 /* failure to restore props on error */
259 typedef int (*zprop_func)(int, void *);
262 * Properties to be set on the root file system of a new pool
263 * are stuffed into their own nvlist, which is then included in
264 * the properties nvlist with the pool properties.
266 #define ZPOOL_ROOTFS_PROPS "root-props-nvl"
269 * Length of 'written@' and 'written#'
271 #define ZFS_WRITTEN_PROP_PREFIX_LEN 8
274 * Dataset property functions shared between libzfs and kernel.
276 const char *zfs_prop_default_string(zfs_prop_t);
277 uint64_t zfs_prop_default_numeric(zfs_prop_t);
278 boolean_t zfs_prop_readonly(zfs_prop_t);
279 boolean_t zfs_prop_visible(zfs_prop_t prop);
280 boolean_t zfs_prop_inheritable(zfs_prop_t);
281 boolean_t zfs_prop_setonce(zfs_prop_t);
282 const char *zfs_prop_to_name(zfs_prop_t);
283 zfs_prop_t zfs_name_to_prop(const char *);
284 boolean_t zfs_prop_user(const char *);
285 boolean_t zfs_prop_userquota(const char *);
286 int zfs_prop_index_to_string(zfs_prop_t, uint64_t, const char **);
287 int zfs_prop_string_to_index(zfs_prop_t, const char *, uint64_t *);
288 uint64_t zfs_prop_random_value(zfs_prop_t, uint64_t seed);
289 boolean_t zfs_prop_valid_for_type(int, zfs_type_t);
292 * Pool property functions shared between libzfs and kernel.
294 zpool_prop_t zpool_name_to_prop(const char *);
295 const char *zpool_prop_to_name(zpool_prop_t);
296 const char *zpool_prop_default_string(zpool_prop_t);
297 uint64_t zpool_prop_default_numeric(zpool_prop_t);
298 boolean_t zpool_prop_readonly(zpool_prop_t);
299 boolean_t zpool_prop_feature(const char *);
300 boolean_t zpool_prop_unsupported(const char *name);
301 int zpool_prop_index_to_string(zpool_prop_t, uint64_t, const char **);
302 int zpool_prop_string_to_index(zpool_prop_t, const char *, uint64_t *);
303 uint64_t zpool_prop_random_value(zpool_prop_t, uint64_t seed);
306 * Definitions for the Delegation.
309 ZFS_DELEG_WHO_UNKNOWN = 0,
310 ZFS_DELEG_USER = 'u',
311 ZFS_DELEG_USER_SETS = 'U',
312 ZFS_DELEG_GROUP = 'g',
313 ZFS_DELEG_GROUP_SETS = 'G',
314 ZFS_DELEG_EVERYONE = 'e',
315 ZFS_DELEG_EVERYONE_SETS = 'E',
316 ZFS_DELEG_CREATE = 'c',
317 ZFS_DELEG_CREATE_SETS = 'C',
318 ZFS_DELEG_NAMED_SET = 's',
319 ZFS_DELEG_NAMED_SET_SETS = 'S'
320 } zfs_deleg_who_type_t;
324 ZFS_DELEG_PERM_LOCAL = 1,
325 ZFS_DELEG_PERM_DESCENDENT = 2,
326 ZFS_DELEG_PERM_LOCALDESCENDENT = 3,
327 ZFS_DELEG_PERM_CREATE = 4
328 } zfs_deleg_inherit_t;
330 #define ZFS_DELEG_PERM_UID "uid"
331 #define ZFS_DELEG_PERM_GID "gid"
332 #define ZFS_DELEG_PERM_GROUPS "groups"
334 #define ZFS_MLSLABEL_DEFAULT "none"
336 #define ZFS_SMB_ACL_SRC "src"
337 #define ZFS_SMB_ACL_TARGET "target"
340 ZFS_CANMOUNT_OFF = 0,
342 ZFS_CANMOUNT_NOAUTO = 2
343 } zfs_canmount_type_t;
346 ZFS_LOGBIAS_LATENCY = 0,
347 ZFS_LOGBIAS_THROUGHPUT = 1
350 typedef enum zfs_share_op {
357 typedef enum zfs_smb_acl_op {
364 typedef enum zfs_cache_type {
366 ZFS_CACHE_METADATA = 1,
371 ZFS_SYNC_STANDARD = 0,
373 ZFS_SYNC_DISABLED = 2
377 ZFS_VOLMODE_DEFAULT = 0,
378 ZFS_VOLMODE_GEOM = 1,
384 ZFS_DNSIZE_LEGACY = 0,
386 ZFS_DNSIZE_1K = 1024,
387 ZFS_DNSIZE_2K = 2048,
388 ZFS_DNSIZE_4K = 4096,
389 ZFS_DNSIZE_8K = 8192,
390 ZFS_DNSIZE_16K = 16384
394 ZFS_REDUNDANT_METADATA_ALL,
395 ZFS_REDUNDANT_METADATA_MOST
396 } zfs_redundant_metadata_type_t;
399 * On-disk version number.
401 #define SPA_VERSION_1 1ULL
402 #define SPA_VERSION_2 2ULL
403 #define SPA_VERSION_3 3ULL
404 #define SPA_VERSION_4 4ULL
405 #define SPA_VERSION_5 5ULL
406 #define SPA_VERSION_6 6ULL
407 #define SPA_VERSION_7 7ULL
408 #define SPA_VERSION_8 8ULL
409 #define SPA_VERSION_9 9ULL
410 #define SPA_VERSION_10 10ULL
411 #define SPA_VERSION_11 11ULL
412 #define SPA_VERSION_12 12ULL
413 #define SPA_VERSION_13 13ULL
414 #define SPA_VERSION_14 14ULL
415 #define SPA_VERSION_15 15ULL
416 #define SPA_VERSION_16 16ULL
417 #define SPA_VERSION_17 17ULL
418 #define SPA_VERSION_18 18ULL
419 #define SPA_VERSION_19 19ULL
420 #define SPA_VERSION_20 20ULL
421 #define SPA_VERSION_21 21ULL
422 #define SPA_VERSION_22 22ULL
423 #define SPA_VERSION_23 23ULL
424 #define SPA_VERSION_24 24ULL
425 #define SPA_VERSION_25 25ULL
426 #define SPA_VERSION_26 26ULL
427 #define SPA_VERSION_27 27ULL
428 #define SPA_VERSION_28 28ULL
429 #define SPA_VERSION_5000 5000ULL
432 * When bumping up SPA_VERSION, make sure GRUB ZFS understands the on-disk
433 * format change. Go to usr/src/grub/grub-0.97/stage2/{zfs-include/, fsys_zfs*},
434 * and do the appropriate changes. Also bump the version number in
435 * usr/src/grub/capability.
437 #define SPA_VERSION SPA_VERSION_5000
438 #define SPA_VERSION_STRING "5000"
441 * Symbolic names for the changes that caused a SPA_VERSION switch.
442 * Used in the code when checking for presence or absence of a feature.
443 * Feel free to define multiple symbolic names for each version if there
444 * were multiple changes to on-disk structures during that version.
446 * NOTE: When checking the current SPA_VERSION in your code, be sure
447 * to use spa_version() since it reports the version of the
448 * last synced uberblock. Checking the in-flight version can
449 * be dangerous in some cases.
451 #define SPA_VERSION_INITIAL SPA_VERSION_1
452 #define SPA_VERSION_DITTO_BLOCKS SPA_VERSION_2
453 #define SPA_VERSION_SPARES SPA_VERSION_3
454 #define SPA_VERSION_RAIDZ2 SPA_VERSION_3
455 #define SPA_VERSION_BPOBJ_ACCOUNT SPA_VERSION_3
456 #define SPA_VERSION_RAIDZ_DEFLATE SPA_VERSION_3
457 #define SPA_VERSION_DNODE_BYTES SPA_VERSION_3
458 #define SPA_VERSION_ZPOOL_HISTORY SPA_VERSION_4
459 #define SPA_VERSION_GZIP_COMPRESSION SPA_VERSION_5
460 #define SPA_VERSION_BOOTFS SPA_VERSION_6
461 #define SPA_VERSION_SLOGS SPA_VERSION_7
462 #define SPA_VERSION_DELEGATED_PERMS SPA_VERSION_8
463 #define SPA_VERSION_FUID SPA_VERSION_9
464 #define SPA_VERSION_REFRESERVATION SPA_VERSION_9
465 #define SPA_VERSION_REFQUOTA SPA_VERSION_9
466 #define SPA_VERSION_UNIQUE_ACCURATE SPA_VERSION_9
467 #define SPA_VERSION_L2CACHE SPA_VERSION_10
468 #define SPA_VERSION_NEXT_CLONES SPA_VERSION_11
469 #define SPA_VERSION_ORIGIN SPA_VERSION_11
470 #define SPA_VERSION_DSL_SCRUB SPA_VERSION_11
471 #define SPA_VERSION_SNAP_PROPS SPA_VERSION_12
472 #define SPA_VERSION_USED_BREAKDOWN SPA_VERSION_13
473 #define SPA_VERSION_PASSTHROUGH_X SPA_VERSION_14
474 #define SPA_VERSION_USERSPACE SPA_VERSION_15
475 #define SPA_VERSION_STMF_PROP SPA_VERSION_16
476 #define SPA_VERSION_RAIDZ3 SPA_VERSION_17
477 #define SPA_VERSION_USERREFS SPA_VERSION_18
478 #define SPA_VERSION_HOLES SPA_VERSION_19
479 #define SPA_VERSION_ZLE_COMPRESSION SPA_VERSION_20
480 #define SPA_VERSION_DEDUP SPA_VERSION_21
481 #define SPA_VERSION_RECVD_PROPS SPA_VERSION_22
482 #define SPA_VERSION_SLIM_ZIL SPA_VERSION_23
483 #define SPA_VERSION_SA SPA_VERSION_24
484 #define SPA_VERSION_SCAN SPA_VERSION_25
485 #define SPA_VERSION_DIR_CLONES SPA_VERSION_26
486 #define SPA_VERSION_DEADLISTS SPA_VERSION_26
487 #define SPA_VERSION_FAST_SNAP SPA_VERSION_27
488 #define SPA_VERSION_MULTI_REPLACE SPA_VERSION_28
489 #define SPA_VERSION_BEFORE_FEATURES SPA_VERSION_28
490 #define SPA_VERSION_FEATURES SPA_VERSION_5000
492 #define SPA_VERSION_IS_SUPPORTED(v) \
493 (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
494 ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION))
497 * ZPL version - rev'd whenever an incompatible on-disk format change
498 * occurs. This is independent of SPA/DMU/ZAP versioning. You must
499 * also update the version_table[] and help message in zfs_prop.c.
501 * When changing, be sure to teach GRUB how to read the new format!
502 * See usr/src/grub/grub-0.97/stage2/{zfs-include/,fsys_zfs*}
504 #define ZPL_VERSION_1 1ULL
505 #define ZPL_VERSION_2 2ULL
506 #define ZPL_VERSION_3 3ULL
507 #define ZPL_VERSION_4 4ULL
508 #define ZPL_VERSION_5 5ULL
509 #define ZPL_VERSION ZPL_VERSION_5
510 #define ZPL_VERSION_STRING "5"
512 #define ZPL_VERSION_INITIAL ZPL_VERSION_1
513 #define ZPL_VERSION_DIRENT_TYPE ZPL_VERSION_2
514 #define ZPL_VERSION_FUID ZPL_VERSION_3
515 #define ZPL_VERSION_NORMALIZATION ZPL_VERSION_3
516 #define ZPL_VERSION_SYSATTR ZPL_VERSION_3
517 #define ZPL_VERSION_USERSPACE ZPL_VERSION_4
518 #define ZPL_VERSION_SA ZPL_VERSION_5
520 /* Rewind policy information */
521 #define ZPOOL_NO_REWIND 1 /* No policy - default behavior */
522 #define ZPOOL_NEVER_REWIND 2 /* Do not search for best txg or rewind */
523 #define ZPOOL_TRY_REWIND 4 /* Search for best txg, but do not rewind */
524 #define ZPOOL_DO_REWIND 8 /* Rewind to best txg w/in deferred frees */
525 #define ZPOOL_EXTREME_REWIND 16 /* Allow extreme measures to find best txg */
526 #define ZPOOL_REWIND_MASK 28 /* All the possible rewind bits */
527 #define ZPOOL_REWIND_POLICIES 31 /* All the possible policy bits */
529 typedef struct zpool_load_policy {
530 uint32_t zlp_rewind; /* rewind policy requested */
531 uint64_t zlp_maxmeta; /* max acceptable meta-data errors */
532 uint64_t zlp_maxdata; /* max acceptable data errors */
533 uint64_t zlp_txg; /* specific txg to load */
534 } zpool_load_policy_t;
537 * The following are configuration names used in the nvlist describing a pool's
538 * configuration. New on-disk names should be prefixed with "<reverse-DNS>:"
539 * (e.g. "org.open-zfs:") to avoid conflicting names being developed
542 #define ZPOOL_CONFIG_VERSION "version"
543 #define ZPOOL_CONFIG_POOL_NAME "name"
544 #define ZPOOL_CONFIG_POOL_STATE "state"
545 #define ZPOOL_CONFIG_POOL_TXG "txg"
546 #define ZPOOL_CONFIG_POOL_GUID "pool_guid"
547 #define ZPOOL_CONFIG_CREATE_TXG "create_txg"
548 #define ZPOOL_CONFIG_TOP_GUID "top_guid"
549 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
550 #define ZPOOL_CONFIG_TYPE "type"
551 #define ZPOOL_CONFIG_CHILDREN "children"
552 #define ZPOOL_CONFIG_ID "id"
553 #define ZPOOL_CONFIG_GUID "guid"
554 #define ZPOOL_CONFIG_INDIRECT_OBJECT "com.delphix:indirect_object"
555 #define ZPOOL_CONFIG_INDIRECT_BIRTHS "com.delphix:indirect_births"
556 #define ZPOOL_CONFIG_PREV_INDIRECT_VDEV "com.delphix:prev_indirect_vdev"
557 #define ZPOOL_CONFIG_PATH "path"
558 #define ZPOOL_CONFIG_DEVID "devid"
559 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
560 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
561 #define ZPOOL_CONFIG_ASHIFT "ashift"
562 #define ZPOOL_CONFIG_ASIZE "asize"
563 #define ZPOOL_CONFIG_DTL "DTL"
564 #define ZPOOL_CONFIG_SCAN_STATS "scan_stats" /* not stored on disk */
565 #define ZPOOL_CONFIG_REMOVAL_STATS "removal_stats" /* not stored on disk */
566 #define ZPOOL_CONFIG_CHECKPOINT_STATS "checkpoint_stats" /* not on disk */
567 #define ZPOOL_CONFIG_VDEV_STATS "vdev_stats" /* not stored on disk */
568 #define ZPOOL_CONFIG_INDIRECT_SIZE "indirect_size" /* not stored on disk */
569 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
570 #define ZPOOL_CONFIG_ERRCOUNT "error_count"
571 #define ZPOOL_CONFIG_NOT_PRESENT "not_present"
572 #define ZPOOL_CONFIG_SPARES "spares"
573 #define ZPOOL_CONFIG_IS_SPARE "is_spare"
574 #define ZPOOL_CONFIG_NPARITY "nparity"
575 #define ZPOOL_CONFIG_HOSTID "hostid"
576 #define ZPOOL_CONFIG_HOSTNAME "hostname"
577 #define ZPOOL_CONFIG_LOADED_TIME "initial_load_time"
578 #define ZPOOL_CONFIG_UNSPARE "unspare"
579 #define ZPOOL_CONFIG_PHYS_PATH "phys_path"
580 #define ZPOOL_CONFIG_IS_LOG "is_log"
581 #define ZPOOL_CONFIG_L2CACHE "l2cache"
582 #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
583 #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
584 #define ZPOOL_CONFIG_IS_HOLE "is_hole"
585 #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
586 #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
587 #define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
588 #define ZPOOL_CONFIG_SPLIT "splitcfg"
589 #define ZPOOL_CONFIG_ORIG_GUID "orig_guid"
590 #define ZPOOL_CONFIG_SPLIT_GUID "split_guid"
591 #define ZPOOL_CONFIG_SPLIT_LIST "guid_list"
592 #define ZPOOL_CONFIG_REMOVING "removing"
593 #define ZPOOL_CONFIG_RESILVER_TXG "resilver_txg"
594 #define ZPOOL_CONFIG_COMMENT "comment"
595 #define ZPOOL_CONFIG_SUSPENDED "suspended" /* not stored on disk */
596 #define ZPOOL_CONFIG_SUSPENDED_REASON "suspended_reason" /* not stored */
597 #define ZPOOL_CONFIG_TIMESTAMP "timestamp" /* not stored on disk */
598 #define ZPOOL_CONFIG_BOOTFS "bootfs" /* not stored on disk */
599 #define ZPOOL_CONFIG_MISSING_DEVICES "missing_vdevs" /* not stored on disk */
600 #define ZPOOL_CONFIG_LOAD_INFO "load_info" /* not stored on disk */
601 #define ZPOOL_CONFIG_REWIND_INFO "rewind_info" /* not stored on disk */
602 #define ZPOOL_CONFIG_UNSUP_FEAT "unsup_feat" /* not stored on disk */
603 #define ZPOOL_CONFIG_ENABLED_FEAT "enabled_feat" /* not stored on disk */
604 #define ZPOOL_CONFIG_CAN_RDONLY "can_rdonly" /* not stored on disk */
605 #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
606 #define ZPOOL_CONFIG_FEATURE_STATS "feature_stats" /* not stored on disk */
607 #define ZPOOL_CONFIG_VDEV_TOP_ZAP "com.delphix:vdev_zap_top"
608 #define ZPOOL_CONFIG_VDEV_LEAF_ZAP "com.delphix:vdev_zap_leaf"
609 #define ZPOOL_CONFIG_HAS_PER_VDEV_ZAPS "com.delphix:has_per_vdev_zaps"
610 #define ZPOOL_CONFIG_CACHEFILE "cachefile" /* not stored on disk */
611 #define ZPOOL_CONFIG_MMP_STATE "mmp_state" /* not stored on disk */
612 #define ZPOOL_CONFIG_MMP_TXG "mmp_txg" /* not stored on disk */
613 #define ZPOOL_CONFIG_MMP_SEQ "mmp_seq" /* not stored on disk */
614 #define ZPOOL_CONFIG_MMP_HOSTNAME "mmp_hostname" /* not stored on disk */
615 #define ZPOOL_CONFIG_MMP_HOSTID "mmp_hostid" /* not stored on disk */
616 #define ZPOOL_CONFIG_ALLOCATION_BIAS "alloc_bias" /* not stored on disk */
619 * The persistent vdev state is stored as separate values rather than a single
620 * 'vdev_state' entry. This is because a device can be in multiple states, such
621 * as offline and degraded.
623 #define ZPOOL_CONFIG_OFFLINE "offline"
624 #define ZPOOL_CONFIG_FAULTED "faulted"
625 #define ZPOOL_CONFIG_DEGRADED "degraded"
626 #define ZPOOL_CONFIG_REMOVED "removed"
627 #define ZPOOL_CONFIG_FRU "fru"
628 #define ZPOOL_CONFIG_AUX_STATE "aux_state"
630 /* Pool load policy parameters */
631 #define ZPOOL_LOAD_POLICY "load-policy"
632 #define ZPOOL_LOAD_REWIND_POLICY "load-rewind-policy"
633 #define ZPOOL_LOAD_REQUEST_TXG "load-request-txg"
634 #define ZPOOL_LOAD_META_THRESH "load-meta-thresh"
635 #define ZPOOL_LOAD_DATA_THRESH "load-data-thresh"
637 /* Rewind data discovered */
638 #define ZPOOL_CONFIG_LOAD_TIME "rewind_txg_ts"
639 #define ZPOOL_CONFIG_LOAD_DATA_ERRORS "verify_data_errors"
640 #define ZPOOL_CONFIG_REWIND_TIME "seconds_of_rewind"
642 #define VDEV_TYPE_ROOT "root"
643 #define VDEV_TYPE_MIRROR "mirror"
644 #define VDEV_TYPE_REPLACING "replacing"
645 #define VDEV_TYPE_RAIDZ "raidz"
646 #define VDEV_TYPE_DISK "disk"
647 #define VDEV_TYPE_FILE "file"
648 #define VDEV_TYPE_MISSING "missing"
649 #define VDEV_TYPE_HOLE "hole"
650 #define VDEV_TYPE_SPARE "spare"
651 #define VDEV_TYPE_LOG "log"
652 #define VDEV_TYPE_L2CACHE "l2cache"
653 #define VDEV_TYPE_INDIRECT "indirect"
655 /* VDEV_TOP_ZAP_* are used in top-level vdev ZAP objects. */
656 #define VDEV_TOP_ZAP_INDIRECT_OBSOLETE_SM \
657 "com.delphix:indirect_obsolete_sm"
658 #define VDEV_TOP_ZAP_OBSOLETE_COUNTS_ARE_PRECISE \
659 "com.delphix:obsolete_counts_are_precise"
660 #define VDEV_TOP_ZAP_POOL_CHECKPOINT_SM \
661 "com.delphix:pool_checkpoint_sm"
663 #define VDEV_TOP_ZAP_ALLOCATION_BIAS \
664 "org.zfsonlinux:allocation_bias"
666 /* vdev metaslab allocation bias */
667 #define VDEV_ALLOC_BIAS_LOG "log"
668 #define VDEV_ALLOC_BIAS_SPECIAL "special"
669 #define VDEV_ALLOC_BIAS_DEDUP "dedup"
671 #define VDEV_LEAF_ZAP_INITIALIZE_LAST_OFFSET \
672 "com.delphix:next_offset_to_initialize"
673 #define VDEV_LEAF_ZAP_INITIALIZE_STATE \
674 "com.delphix:vdev_initialize_state"
675 #define VDEV_LEAF_ZAP_INITIALIZE_ACTION_TIME \
676 "com.delphix:vdev_initialize_action_time"
679 * This is needed in userland to report the minimum necessary device size.
681 * Note that the zfs test suite uses 64MB vdevs.
683 #define SPA_MINDEVSIZE (64ULL << 20)
686 * Set if the fragmentation has not yet been calculated. This can happen
687 * because the space maps have not been upgraded or the histogram feature
690 #define ZFS_FRAG_INVALID UINT64_MAX
693 * The location of the pool configuration repository, shared between kernel and
696 #define ZPOOL_CACHE "/boot/zfs/zpool.cache"
699 * vdev states are ordered from least to most healthy.
700 * A vdev that's CANT_OPEN or below is considered unusable.
702 typedef enum vdev_state {
703 VDEV_STATE_UNKNOWN = 0, /* Uninitialized vdev */
704 VDEV_STATE_CLOSED, /* Not currently open */
705 VDEV_STATE_OFFLINE, /* Not allowed to open */
706 VDEV_STATE_REMOVED, /* Explicitly removed from system */
707 VDEV_STATE_CANT_OPEN, /* Tried to open, but failed */
708 VDEV_STATE_FAULTED, /* External request to fault device */
709 VDEV_STATE_DEGRADED, /* Replicated vdev with unhealthy kids */
710 VDEV_STATE_HEALTHY /* Presumed good */
713 #define VDEV_STATE_ONLINE VDEV_STATE_HEALTHY
716 * vdev aux states. When a vdev is in the CANT_OPEN state, the aux field
717 * of the vdev stats structure uses these constants to distinguish why.
719 typedef enum vdev_aux {
720 VDEV_AUX_NONE, /* no error */
721 VDEV_AUX_OPEN_FAILED, /* ldi_open_*() or vn_open() failed */
722 VDEV_AUX_CORRUPT_DATA, /* bad label or disk contents */
723 VDEV_AUX_NO_REPLICAS, /* insufficient number of replicas */
724 VDEV_AUX_BAD_GUID_SUM, /* vdev guid sum doesn't match */
725 VDEV_AUX_TOO_SMALL, /* vdev size is too small */
726 VDEV_AUX_BAD_LABEL, /* the label is OK but invalid */
727 VDEV_AUX_VERSION_NEWER, /* on-disk version is too new */
728 VDEV_AUX_VERSION_OLDER, /* on-disk version is too old */
729 VDEV_AUX_UNSUP_FEAT, /* unsupported features */
730 VDEV_AUX_SPARED, /* hot spare used in another pool */
731 VDEV_AUX_ERR_EXCEEDED, /* too many errors */
732 VDEV_AUX_IO_FAILURE, /* experienced I/O failure */
733 VDEV_AUX_BAD_LOG, /* cannot read log chain(s) */
734 VDEV_AUX_EXTERNAL, /* external diagnosis */
735 VDEV_AUX_SPLIT_POOL, /* vdev was split off into another pool */
736 VDEV_AUX_ASHIFT_TOO_BIG, /* vdev's min block size is too large */
737 VDEV_AUX_CHILDREN_OFFLINE, /* all children are offline */
738 VDEV_AUX_ACTIVE /* vdev active on a different host */
742 * pool state. The following states are written to disk as part of the normal
743 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
744 * states are software abstractions used at various levels to communicate
747 typedef enum pool_state {
748 POOL_STATE_ACTIVE = 0, /* In active use */
749 POOL_STATE_EXPORTED, /* Explicitly exported */
750 POOL_STATE_DESTROYED, /* Explicitly destroyed */
751 POOL_STATE_SPARE, /* Reserved for hot spare use */
752 POOL_STATE_L2CACHE, /* Level 2 ARC device */
753 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
754 POOL_STATE_UNAVAIL, /* Internal libzfs state */
755 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
759 * mmp state. The following states provide additional detail describing
760 * why a pool couldn't be safely imported.
762 typedef enum mmp_state {
763 MMP_STATE_ACTIVE = 0, /* In active use */
764 MMP_STATE_INACTIVE, /* Inactive and safe to import */
765 MMP_STATE_NO_HOSTID /* System hostid is not set */
771 typedef enum pool_scan_func {
779 * Used to control scrub pause and resume.
781 typedef enum pool_scrub_cmd {
782 POOL_SCRUB_NORMAL = 0,
788 * Initialize functions.
790 typedef enum pool_initialize_func {
792 POOL_INITIALIZE_CANCEL,
793 POOL_INITIALIZE_SUSPEND,
794 POOL_INITIALIZE_FUNCS
795 } pool_initialize_func_t;
798 * ZIO types. Needed to interpret vdev statistics below.
800 typedef enum zio_type {
811 * Pool statistics. Note: all fields should be 64-bit because this
812 * is passed between kernel and userland as an nvlist uint64 array.
814 typedef struct pool_scan_stat {
815 /* values stored on disk */
816 uint64_t pss_func; /* pool_scan_func_t */
817 uint64_t pss_state; /* dsl_scan_state_t */
818 uint64_t pss_start_time; /* scan start time */
819 uint64_t pss_end_time; /* scan end time */
820 uint64_t pss_to_examine; /* total bytes to scan */
821 uint64_t pss_examined; /* total bytes located by scanner */
822 uint64_t pss_to_process; /* total bytes to process */
823 uint64_t pss_processed; /* total processed bytes */
824 uint64_t pss_errors; /* scan errors */
826 /* values not stored on disk */
827 uint64_t pss_pass_exam; /* examined bytes per scan pass */
828 uint64_t pss_pass_start; /* start time of a scan pass */
829 uint64_t pss_pass_scrub_pause; /* pause time of a scurb pass */
830 /* cumulative time scrub spent paused, needed for rate calculation */
831 uint64_t pss_pass_scrub_spent_paused;
833 /* Sorted scrubbing new fields */
835 uint64_t pss_issued; /* total bytes checked by scanner */
836 /* Not stored on disk */
837 uint64_t pss_pass_issued; /* issued bytes per scan pass */
840 typedef struct pool_removal_stat {
841 uint64_t prs_state; /* dsl_scan_state_t */
842 uint64_t prs_removing_vdev;
843 uint64_t prs_start_time;
844 uint64_t prs_end_time;
845 uint64_t prs_to_copy; /* bytes that need to be copied */
846 uint64_t prs_copied; /* bytes copied so far */
848 * bytes of memory used for indirect mappings.
849 * This includes all removed vdevs.
851 uint64_t prs_mapping_memory;
852 } pool_removal_stat_t;
854 typedef enum dsl_scan_state {
864 CS_CHECKPOINT_EXISTS,
865 CS_CHECKPOINT_DISCARDING,
867 } checkpoint_state_t;
869 typedef struct pool_checkpoint_stat {
870 uint64_t pcs_state; /* checkpoint_state_t */
871 uint64_t pcs_start_time; /* time checkpoint/discard started */
872 uint64_t pcs_space; /* checkpointed space */
873 } pool_checkpoint_stat_t;
876 VDEV_INITIALIZE_NONE,
877 VDEV_INITIALIZE_ACTIVE,
878 VDEV_INITIALIZE_CANCELED,
879 VDEV_INITIALIZE_SUSPENDED,
880 VDEV_INITIALIZE_COMPLETE
881 } vdev_initializing_state_t;
884 * Vdev statistics. Note: all fields should be 64-bit because this
885 * is passed between kernel and userland as an nvlist uint64 array.
887 typedef struct vdev_stat {
888 hrtime_t vs_timestamp; /* time since vdev load */
889 uint64_t vs_state; /* vdev state */
890 uint64_t vs_aux; /* see vdev_aux_t */
891 uint64_t vs_alloc; /* space allocated */
892 uint64_t vs_space; /* total capacity */
893 uint64_t vs_dspace; /* deflated capacity */
894 uint64_t vs_rsize; /* replaceable dev size */
895 uint64_t vs_esize; /* expandable dev size */
896 uint64_t vs_ops[ZIO_TYPES]; /* operation count */
897 uint64_t vs_bytes[ZIO_TYPES]; /* bytes read/written */
898 uint64_t vs_read_errors; /* read errors */
899 uint64_t vs_write_errors; /* write errors */
900 uint64_t vs_checksum_errors; /* checksum errors */
901 uint64_t vs_self_healed; /* self-healed bytes */
902 uint64_t vs_scan_removing; /* removing? */
903 uint64_t vs_scan_processed; /* scan processed bytes */
904 uint64_t vs_configured_ashift; /* TLV vdev_ashift */
905 uint64_t vs_logical_ashift; /* vdev_logical_ashift */
906 uint64_t vs_physical_ashift; /* vdev_physical_ashift */
907 uint64_t vs_fragmentation; /* device fragmentation */
908 uint64_t vs_checkpoint_space; /* checkpoint-consumed space */
909 uint64_t vs_initialize_errors; /* initializing errors */
910 uint64_t vs_initialize_bytes_done; /* bytes initialized */
911 uint64_t vs_initialize_bytes_est; /* total bytes to initialize */
912 uint64_t vs_initialize_state; /* vdev_initialzing_state_t */
913 uint64_t vs_initialize_action_time; /* time_t */
915 #define VDEV_STAT_VALID(field, uint64_t_field_count) \
916 ((uint64_t_field_count * sizeof(uint64_t)) >= \
917 (offsetof(vdev_stat_t, field) + sizeof(((vdev_stat_t *)NULL)->field)))
920 * DDT statistics. Note: all fields should be 64-bit because this
921 * is passed between kernel and userland as an nvlist uint64 array.
923 typedef struct ddt_object {
924 uint64_t ddo_count; /* number of elments in ddt */
925 uint64_t ddo_dspace; /* size of ddt on disk */
926 uint64_t ddo_mspace; /* size of ddt in-core */
929 typedef struct ddt_stat {
930 uint64_t dds_blocks; /* blocks */
931 uint64_t dds_lsize; /* logical size */
932 uint64_t dds_psize; /* physical size */
933 uint64_t dds_dsize; /* deflated allocated size */
934 uint64_t dds_ref_blocks; /* referenced blocks */
935 uint64_t dds_ref_lsize; /* referenced lsize * refcnt */
936 uint64_t dds_ref_psize; /* referenced psize * refcnt */
937 uint64_t dds_ref_dsize; /* referenced dsize * refcnt */
940 typedef struct ddt_histogram {
941 ddt_stat_t ddh_stat[64]; /* power-of-two histogram buckets */
944 #define ZVOL_DRIVER "zvol"
945 #define ZFS_DRIVER "zfs"
946 #define ZFS_DEV_NAME "zfs"
947 #define ZFS_DEV "/dev/" ZFS_DEV_NAME
948 #define ZFS_DISK_ROOT "/dev/dsk"
949 #define ZFS_DISK_ROOTD ZFS_DISK_ROOT "/"
950 #define ZFS_RDISK_ROOT "/dev/rdsk"
951 #define ZFS_RDISK_ROOTD ZFS_RDISK_ROOT "/"
953 /* general zvol path */
954 #define ZVOL_DIR "/dev/zvol"
956 #define ZVOL_PSEUDO_DEV "/devices/pseudo/zfs@0:"
957 /* for dump and swap */
958 #define ZVOL_FULL_DEV_DIR ZVOL_DIR "/dsk/"
959 #define ZVOL_FULL_RDEV_DIR ZVOL_DIR "/rdsk/"
961 #define ZVOL_PROP_NAME "name"
962 #define ZVOL_DEFAULT_BLOCKSIZE 8192
965 * /dev/zfs ioctl numbers.
967 typedef enum zfs_ioc {
969 ZFS_IOC_POOL_CREATE = ZFS_IOC_FIRST,
970 ZFS_IOC_POOL_DESTROY,
973 ZFS_IOC_POOL_CONFIGS,
975 ZFS_IOC_POOL_TRYIMPORT,
978 ZFS_IOC_POOL_UPGRADE,
979 ZFS_IOC_POOL_GET_HISTORY,
982 ZFS_IOC_VDEV_SET_STATE,
985 ZFS_IOC_VDEV_SETPATH,
987 ZFS_IOC_OBJSET_STATS,
988 ZFS_IOC_OBJSET_ZPLPROPS,
989 ZFS_IOC_DATASET_LIST_NEXT,
990 ZFS_IOC_SNAPSHOT_LIST_NEXT,
998 ZFS_IOC_INJECT_FAULT,
1000 ZFS_IOC_INJECT_LIST_NEXT,
1004 ZFS_IOC_DESTROY_SNAPS,
1006 ZFS_IOC_DSOBJ_TO_DSNAME,
1007 ZFS_IOC_OBJ_TO_PATH,
1008 ZFS_IOC_POOL_SET_PROPS,
1009 ZFS_IOC_POOL_GET_PROPS,
1013 ZFS_IOC_INHERIT_PROP,
1015 ZFS_IOC_USERSPACE_ONE,
1016 ZFS_IOC_USERSPACE_MANY,
1017 ZFS_IOC_USERSPACE_UPGRADE,
1021 ZFS_IOC_OBJSET_RECVD_PROPS,
1025 ZFS_IOC_TMP_SNAPSHOT,
1026 ZFS_IOC_OBJ_TO_STATS,
1029 ZFS_IOC_POOL_REGUID,
1030 ZFS_IOC_SPACE_WRITTEN,
1031 ZFS_IOC_SPACE_SNAPS,
1032 ZFS_IOC_SEND_PROGRESS,
1033 ZFS_IOC_POOL_REOPEN,
1034 ZFS_IOC_LOG_HISTORY,
1039 ZFS_IOC_GET_BOOKMARKS,
1040 ZFS_IOC_DESTROY_BOOKMARKS,
1044 ZFS_IOC_CHANNEL_PROGRAM,
1046 ZFS_IOC_POOL_CHECKPOINT,
1047 ZFS_IOC_POOL_DISCARD_CHECKPOINT,
1048 ZFS_IOC_POOL_INITIALIZE,
1054 * ZFS-specific error codes used for returning descriptive errors
1055 * to the userland through zfs ioctls.
1057 * The enum implicitly includes all the error codes from errno.h.
1058 * New code should use and extend this enum for errors that are
1059 * not described precisely by generic errno codes.
1062 ZFS_ERR_CHECKPOINT_EXISTS = 1024,
1063 ZFS_ERR_DISCARDING_CHECKPOINT,
1064 ZFS_ERR_NO_CHECKPOINT,
1065 ZFS_ERR_DEVRM_IN_PROGRESS,
1066 ZFS_ERR_VDEV_TOO_BIG,
1067 ZFS_ERR_WRONG_PARENT,
1071 * Internal SPA load state. Used by FMA diagnosis engine.
1074 SPA_LOAD_NONE, /* no load in progress */
1075 SPA_LOAD_OPEN, /* normal open */
1076 SPA_LOAD_IMPORT, /* import in progress */
1077 SPA_LOAD_TRYIMPORT, /* tryimport in progress */
1078 SPA_LOAD_RECOVER, /* recovery requested */
1079 SPA_LOAD_ERROR, /* load failed */
1080 SPA_LOAD_CREATE /* creation in progress */
1084 * Bookmark name values.
1086 #define ZPOOL_ERR_LIST "error list"
1087 #define ZPOOL_ERR_DATASET "dataset"
1088 #define ZPOOL_ERR_OBJECT "object"
1090 #define HIS_MAX_RECORD_LEN (MAXPATHLEN + MAXPATHLEN + 1)
1093 * The following are names used in the nvlist describing
1094 * the pool's history log.
1096 #define ZPOOL_HIST_RECORD "history record"
1097 #define ZPOOL_HIST_TIME "history time"
1098 #define ZPOOL_HIST_CMD "history command"
1099 #define ZPOOL_HIST_WHO "history who"
1100 #define ZPOOL_HIST_ZONE "history zone"
1101 #define ZPOOL_HIST_HOST "history hostname"
1102 #define ZPOOL_HIST_TXG "history txg"
1103 #define ZPOOL_HIST_INT_EVENT "history internal event"
1104 #define ZPOOL_HIST_INT_STR "history internal str"
1105 #define ZPOOL_HIST_INT_NAME "internal_name"
1106 #define ZPOOL_HIST_IOCTL "ioctl"
1107 #define ZPOOL_HIST_INPUT_NVL "in_nvl"
1108 #define ZPOOL_HIST_OUTPUT_NVL "out_nvl"
1109 #define ZPOOL_HIST_DSNAME "dsname"
1110 #define ZPOOL_HIST_DSID "dsid"
1111 #define ZPOOL_HIST_ERRNO "errno"
1114 * The following are names used when invoking ZFS_IOC_POOL_INITIALIZE.
1116 #define ZPOOL_INITIALIZE_COMMAND "initialize_command"
1117 #define ZPOOL_INITIALIZE_VDEVS "initialize_vdevs"
1120 * Flags for ZFS_IOC_VDEV_SET_STATE
1122 #define ZFS_ONLINE_CHECKREMOVE 0x1
1123 #define ZFS_ONLINE_UNSPARE 0x2
1124 #define ZFS_ONLINE_FORCEFAULT 0x4
1125 #define ZFS_ONLINE_EXPAND 0x8
1126 #define ZFS_OFFLINE_TEMPORARY 0x1
1129 * Flags for ZFS_IOC_POOL_IMPORT
1131 #define ZFS_IMPORT_NORMAL 0x0
1132 #define ZFS_IMPORT_VERBATIM 0x1
1133 #define ZFS_IMPORT_ANY_HOST 0x2
1134 #define ZFS_IMPORT_MISSING_LOG 0x4
1135 #define ZFS_IMPORT_ONLY 0x8
1136 #define ZFS_IMPORT_CHECKPOINT 0x10
1137 #define ZFS_IMPORT_TEMP_NAME 0x20
1138 #define ZFS_IMPORT_SKIP_MMP 0x40
1141 * Channel program argument/return nvlist keys and defaults.
1143 #define ZCP_ARG_PROGRAM "program"
1144 #define ZCP_ARG_ARGLIST "arg"
1145 #define ZCP_ARG_SYNC "sync"
1146 #define ZCP_ARG_INSTRLIMIT "instrlimit"
1147 #define ZCP_ARG_MEMLIMIT "memlimit"
1149 #define ZCP_ARG_CLIARGV "argv"
1151 #define ZCP_RET_ERROR "error"
1152 #define ZCP_RET_RETURN "return"
1154 #define ZCP_DEFAULT_INSTRLIMIT (10 * 1000 * 1000)
1155 #define ZCP_MAX_INSTRLIMIT (10 * ZCP_DEFAULT_INSTRLIMIT)
1156 #define ZCP_DEFAULT_MEMLIMIT (10 * 1024 * 1024)
1157 #define ZCP_MAX_MEMLIMIT (10 * ZCP_DEFAULT_MEMLIMIT)
1160 * nvlist name constants. Facilitate restricting snapshot iteration range for
1161 * the "list next snapshot" ioctl
1163 #define SNAP_ITER_MIN_TXG "snap_iter_min_txg"
1164 #define SNAP_ITER_MAX_TXG "snap_iter_max_txg"
1167 * Sysevent payload members. ZFS will generate the following sysevents with the
1170 * ESC_ZFS_RESILVER_START
1171 * ESC_ZFS_RESILVER_END
1172 * ESC_ZFS_POOL_DESTROY
1173 * ESC_ZFS_POOL_REGUID
1175 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1176 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1178 * ESC_ZFS_VDEV_REMOVE
1179 * ESC_ZFS_VDEV_CLEAR
1180 * ESC_ZFS_VDEV_CHECK
1182 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1183 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1184 * ZFS_EV_VDEV_PATH DATA_TYPE_STRING (optional)
1185 * ZFS_EV_VDEV_GUID DATA_TYPE_UINT64
1187 * ESC_ZFS_HISTORY_EVENT
1189 * ZFS_EV_POOL_NAME DATA_TYPE_STRING
1190 * ZFS_EV_POOL_GUID DATA_TYPE_UINT64
1191 * ZFS_EV_HIST_TIME DATA_TYPE_UINT64 (optional)
1192 * ZFS_EV_HIST_CMD DATA_TYPE_STRING (optional)
1193 * ZFS_EV_HIST_WHO DATA_TYPE_UINT64 (optional)
1194 * ZFS_EV_HIST_ZONE DATA_TYPE_STRING (optional)
1195 * ZFS_EV_HIST_HOST DATA_TYPE_STRING (optional)
1196 * ZFS_EV_HIST_TXG DATA_TYPE_UINT64 (optional)
1197 * ZFS_EV_HIST_INT_EVENT DATA_TYPE_UINT64 (optional)
1198 * ZFS_EV_HIST_INT_STR DATA_TYPE_STRING (optional)
1199 * ZFS_EV_HIST_INT_NAME DATA_TYPE_STRING (optional)
1200 * ZFS_EV_HIST_IOCTL DATA_TYPE_STRING (optional)
1201 * ZFS_EV_HIST_DSNAME DATA_TYPE_STRING (optional)
1202 * ZFS_EV_HIST_DSID DATA_TYPE_UINT64 (optional)
1204 * The ZFS_EV_HIST_* members will correspond to the ZPOOL_HIST_* members in the
1205 * history log nvlist. The keynames will be free of any spaces or other
1206 * characters that could be potentially unexpected to consumers of the
1209 #define ZFS_EV_POOL_NAME "pool_name"
1210 #define ZFS_EV_POOL_GUID "pool_guid"
1211 #define ZFS_EV_VDEV_PATH "vdev_path"
1212 #define ZFS_EV_VDEV_GUID "vdev_guid"
1213 #define ZFS_EV_HIST_TIME "history_time"
1214 #define ZFS_EV_HIST_CMD "history_command"
1215 #define ZFS_EV_HIST_WHO "history_who"
1216 #define ZFS_EV_HIST_ZONE "history_zone"
1217 #define ZFS_EV_HIST_HOST "history_hostname"
1218 #define ZFS_EV_HIST_TXG "history_txg"
1219 #define ZFS_EV_HIST_INT_EVENT "history_internal_event"
1220 #define ZFS_EV_HIST_INT_STR "history_internal_str"
1221 #define ZFS_EV_HIST_INT_NAME "history_internal_name"
1222 #define ZFS_EV_HIST_IOCTL "history_ioctl"
1223 #define ZFS_EV_HIST_DSNAME "history_dsname"
1224 #define ZFS_EV_HIST_DSID "history_dsid"
1230 #endif /* _SYS_FS_ZFS_H */