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, 2018 by Delphix. All rights reserved.
25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
26 * Copyright (c) 2013 Steven Hartland. All rights reserved.
27 * Copyright (c) 2016, Intel Corporation.
28 * Copyright 2016 Nexenta Systems, Inc.
29 * Copyright (c) 2017 Open-E, Inc. All Rights Reserved.
30 * Copyright (c) 2018 Datto Inc.
37 #include <libnvpair.h>
38 #include <sys/mnttab.h>
39 #include <sys/param.h>
40 #include <sys/types.h>
41 #include <sys/varargs.h>
42 #include <sys/fs/zfs.h>
45 #include <libzfs_core.h>
52 * Miscellaneous ZFS constants
54 #define ZFS_MAXPROPLEN MAXPATHLEN
55 #define ZPOOL_MAXPROPLEN MAXPATHLEN
60 typedef enum zfs_error
{
61 EZFS_SUCCESS
= 0, /* no error -- success */
62 EZFS_NOMEM
= 2000, /* out of memory */
63 EZFS_BADPROP
, /* invalid property value */
64 EZFS_PROPREADONLY
, /* cannot set readonly property */
65 EZFS_PROPTYPE
, /* property does not apply to dataset type */
66 EZFS_PROPNONINHERIT
, /* property is not inheritable */
67 EZFS_PROPSPACE
, /* bad quota or reservation */
68 EZFS_BADTYPE
, /* dataset is not of appropriate type */
69 EZFS_BUSY
, /* pool or dataset is busy */
70 EZFS_EXISTS
, /* pool or dataset already exists */
71 EZFS_NOENT
, /* no such pool or dataset */
72 EZFS_BADSTREAM
, /* bad backup stream */
73 EZFS_DSREADONLY
, /* dataset is readonly */
74 EZFS_VOLTOOBIG
, /* volume is too large for 32-bit system */
75 EZFS_INVALIDNAME
, /* invalid dataset name */
76 EZFS_BADRESTORE
, /* unable to restore to destination */
77 EZFS_BADBACKUP
, /* backup failed */
78 EZFS_BADTARGET
, /* bad attach/detach/replace target */
79 EZFS_NODEVICE
, /* no such device in pool */
80 EZFS_BADDEV
, /* invalid device to add */
81 EZFS_NOREPLICAS
, /* no valid replicas */
82 EZFS_RESILVERING
, /* currently resilvering */
83 EZFS_BADVERSION
, /* unsupported version */
84 EZFS_POOLUNAVAIL
, /* pool is currently unavailable */
85 EZFS_DEVOVERFLOW
, /* too many devices in one vdev */
86 EZFS_BADPATH
, /* must be an absolute path */
87 EZFS_CROSSTARGET
, /* rename or clone across pool or dataset */
88 EZFS_ZONED
, /* used improperly in local zone */
89 EZFS_MOUNTFAILED
, /* failed to mount dataset */
90 EZFS_UMOUNTFAILED
, /* failed to unmount dataset */
91 EZFS_UNSHARENFSFAILED
, /* unshare(1M) failed */
92 EZFS_SHARENFSFAILED
, /* share(1M) failed */
93 EZFS_PERM
, /* permission denied */
94 EZFS_NOSPC
, /* out of space */
95 EZFS_FAULT
, /* bad address */
96 EZFS_IO
, /* I/O error */
97 EZFS_INTR
, /* signal received */
98 EZFS_ISSPARE
, /* device is a hot spare */
99 EZFS_INVALCONFIG
, /* invalid vdev configuration */
100 EZFS_RECURSIVE
, /* recursive dependency */
101 EZFS_NOHISTORY
, /* no history object */
102 EZFS_POOLPROPS
, /* couldn't retrieve pool props */
103 EZFS_POOL_NOTSUP
, /* ops not supported for this type of pool */
104 EZFS_POOL_INVALARG
, /* invalid argument for this pool operation */
105 EZFS_NAMETOOLONG
, /* dataset name is too long */
106 EZFS_OPENFAILED
, /* open of device failed */
107 EZFS_NOCAP
, /* couldn't get capacity */
108 EZFS_LABELFAILED
, /* write of label failed */
109 EZFS_BADWHO
, /* invalid permission who */
110 EZFS_BADPERM
, /* invalid permission */
111 EZFS_BADPERMSET
, /* invalid permission set name */
112 EZFS_NODELEGATION
, /* delegated administration is disabled */
113 EZFS_UNSHARESMBFAILED
, /* failed to unshare over smb */
114 EZFS_SHARESMBFAILED
, /* failed to share over smb */
115 EZFS_BADCACHE
, /* bad cache file */
116 EZFS_ISL2CACHE
, /* device is for the level 2 ARC */
117 EZFS_VDEVNOTSUP
, /* unsupported vdev type */
118 EZFS_NOTSUP
, /* ops not supported on this dataset */
119 EZFS_ACTIVE_SPARE
, /* pool has active shared spare devices */
120 EZFS_UNPLAYED_LOGS
, /* log device has unplayed logs */
121 EZFS_REFTAG_RELE
, /* snapshot release: tag not found */
122 EZFS_REFTAG_HOLD
, /* snapshot hold: tag already exists */
123 EZFS_TAGTOOLONG
, /* snapshot hold/rele: tag too long */
124 EZFS_PIPEFAILED
, /* pipe create failed */
125 EZFS_THREADCREATEFAILED
, /* thread create failed */
126 EZFS_POSTSPLIT_ONLINE
, /* onlining a disk after splitting it */
127 EZFS_SCRUBBING
, /* currently scrubbing */
128 EZFS_NO_SCRUB
, /* no active scrub */
129 EZFS_DIFF
, /* general failure of zfs diff */
130 EZFS_DIFFDATA
, /* bad zfs diff data */
131 EZFS_POOLREADONLY
, /* pool is in read-only mode */
132 EZFS_SCRUB_PAUSED
, /* scrub currently paused */
133 EZFS_ACTIVE_POOL
, /* pool is imported on a different system */
134 EZFS_CRYPTOFAILED
, /* failed to setup encryption */
135 EZFS_NO_PENDING
, /* cannot cancel, no operation is pending */
136 EZFS_CHECKPOINT_EXISTS
, /* checkpoint exists */
137 EZFS_DISCARDING_CHECKPOINT
, /* currently discarding a checkpoint */
138 EZFS_NO_CHECKPOINT
, /* pool has no checkpoint */
139 EZFS_DEVRM_IN_PROGRESS
, /* a device is currently being removed */
140 EZFS_VDEV_TOO_BIG
, /* a device is too big to be used */
141 EZFS_IOC_NOTSUPPORTED
, /* operation not supported by zfs module */
142 EZFS_TOOMANY
, /* argument list too long */
143 EZFS_INITIALIZING
, /* currently initializing */
144 EZFS_NO_INITIALIZE
, /* no active initialize */
145 EZFS_WRONG_PARENT
, /* invalid parent dataset (e.g ZVOL) */
150 * The following data structures are all part
151 * of the zfs_allow_t data structure which is
152 * used for printing 'allow' permissions.
153 * It is a linked list of zfs_allow_t's which
154 * then contain avl tree's for user/group/sets/...
155 * and each one of the entries in those trees have
156 * avl tree's for the permissions they belong to and
157 * whether they are local,descendent or local+descendent
158 * permissions. The AVL trees are used primarily for
159 * sorting purposes, but also so that we can quickly find
160 * a given user and or permission.
162 typedef struct zfs_perm_node
{
164 char z_pname
[MAXPATHLEN
];
167 typedef struct zfs_allow_node
{
169 char z_key
[MAXPATHLEN
]; /* name, such as joe */
170 avl_tree_t z_localdescend
; /* local+descendent perms */
171 avl_tree_t z_local
; /* local permissions */
172 avl_tree_t z_descend
; /* descendent permissions */
175 typedef struct zfs_allow
{
176 struct zfs_allow
*z_next
;
177 char z_setpoint
[MAXPATHLEN
];
179 avl_tree_t z_crperms
;
182 avl_tree_t z_everyone
;
188 typedef struct zfs_handle zfs_handle_t
;
189 typedef struct zpool_handle zpool_handle_t
;
190 typedef struct libzfs_handle libzfs_handle_t
;
193 * Library initialization
195 extern libzfs_handle_t
*libzfs_init(void);
196 extern void libzfs_fini(libzfs_handle_t
*);
198 extern libzfs_handle_t
*zpool_get_handle(zpool_handle_t
*);
199 extern libzfs_handle_t
*zfs_get_handle(zfs_handle_t
*);
201 extern void libzfs_print_on_error(libzfs_handle_t
*, boolean_t
);
203 extern void zfs_save_arguments(int argc
, char **, char *, int);
204 extern int zpool_log_history(libzfs_handle_t
*, const char *);
206 extern int libzfs_errno(libzfs_handle_t
*);
207 extern const char *libzfs_error_init(int);
208 extern const char *libzfs_error_action(libzfs_handle_t
*);
209 extern const char *libzfs_error_description(libzfs_handle_t
*);
210 extern int zfs_standard_error(libzfs_handle_t
*, int, const char *);
211 extern void libzfs_mnttab_init(libzfs_handle_t
*);
212 extern void libzfs_mnttab_fini(libzfs_handle_t
*);
213 extern void libzfs_mnttab_cache(libzfs_handle_t
*, boolean_t
);
214 extern int libzfs_mnttab_find(libzfs_handle_t
*, const char *,
216 extern void libzfs_mnttab_add(libzfs_handle_t
*, const char *,
217 const char *, const char *);
218 extern void libzfs_mnttab_remove(libzfs_handle_t
*, const char *);
221 * Basic handle functions
223 extern zpool_handle_t
*zpool_open(libzfs_handle_t
*, const char *);
224 extern zpool_handle_t
*zpool_open_canfail(libzfs_handle_t
*, const char *);
225 extern void zpool_close(zpool_handle_t
*);
226 extern const char *zpool_get_name(zpool_handle_t
*);
227 extern int zpool_get_state(zpool_handle_t
*);
228 extern const char *zpool_state_to_name(vdev_state_t
, vdev_aux_t
);
229 extern const char *zpool_pool_state_to_name(pool_state_t
);
230 extern void zpool_free_handles(libzfs_handle_t
*);
233 * Iterate over all active pools in the system.
235 typedef int (*zpool_iter_f
)(zpool_handle_t
*, void *);
236 extern int zpool_iter(libzfs_handle_t
*, zpool_iter_f
, void *);
237 extern boolean_t
zpool_skip_pool(const char *);
240 * Functions to create and destroy pools
242 extern int zpool_create(libzfs_handle_t
*, const char *, nvlist_t
*,
243 nvlist_t
*, nvlist_t
*);
244 extern int zpool_destroy(zpool_handle_t
*, const char *);
245 extern int zpool_add(zpool_handle_t
*, nvlist_t
*);
247 typedef struct splitflags
{
248 /* do not split, but return the config that would be split off */
251 /* after splitting, import the pool */
257 * Functions to manipulate pool and vdev state
259 extern int zpool_scan(zpool_handle_t
*, pool_scan_func_t
, pool_scrub_cmd_t
);
260 extern int zpool_initialize(zpool_handle_t
*, pool_initialize_func_t
,
262 extern int zpool_clear(zpool_handle_t
*, const char *, nvlist_t
*);
263 extern int zpool_reguid(zpool_handle_t
*);
264 extern int zpool_reopen_one(zpool_handle_t
*, void *);
266 extern int zpool_sync_one(zpool_handle_t
*, void *);
268 extern int zpool_vdev_online(zpool_handle_t
*, const char *, int,
270 extern int zpool_vdev_offline(zpool_handle_t
*, const char *, boolean_t
);
271 extern int zpool_vdev_attach(zpool_handle_t
*, const char *,
272 const char *, nvlist_t
*, int);
273 extern int zpool_vdev_detach(zpool_handle_t
*, const char *);
274 extern int zpool_vdev_remove(zpool_handle_t
*, const char *);
275 extern int zpool_vdev_remove_cancel(zpool_handle_t
*);
276 extern int zpool_vdev_indirect_size(zpool_handle_t
*, const char *, uint64_t *);
277 extern int zpool_vdev_split(zpool_handle_t
*, char *, nvlist_t
**, nvlist_t
*,
280 extern int zpool_vdev_fault(zpool_handle_t
*, uint64_t, vdev_aux_t
);
281 extern int zpool_vdev_degrade(zpool_handle_t
*, uint64_t, vdev_aux_t
);
282 extern int zpool_vdev_clear(zpool_handle_t
*, uint64_t);
284 extern nvlist_t
*zpool_find_vdev(zpool_handle_t
*, const char *, boolean_t
*,
285 boolean_t
*, boolean_t
*);
286 extern nvlist_t
*zpool_find_vdev_by_physpath(zpool_handle_t
*, const char *,
287 boolean_t
*, boolean_t
*, boolean_t
*);
288 extern int zpool_label_disk(libzfs_handle_t
*, zpool_handle_t
*, char *);
289 extern uint64_t zpool_vdev_path_to_guid(zpool_handle_t
*zhp
, const char *path
);
291 const char *zpool_get_state_str(zpool_handle_t
*);
294 * Functions to manage pool properties
296 extern int zpool_set_prop(zpool_handle_t
*, const char *, const char *);
297 extern int zpool_get_prop(zpool_handle_t
*, zpool_prop_t
, char *,
298 size_t proplen
, zprop_source_t
*, boolean_t literal
);
299 extern uint64_t zpool_get_prop_int(zpool_handle_t
*, zpool_prop_t
,
302 extern const char *zpool_prop_to_name(zpool_prop_t
);
303 extern const char *zpool_prop_values(zpool_prop_t
);
306 * Pool health statistics.
310 * The following correspond to faults as defined in the (fault.fs.zfs.*)
311 * event namespace. Each is associated with a corresponding message ID.
312 * This must be kept in sync with the zfs_msgid_table in
313 * lib/libzfs/libzfs_status.c.
315 ZPOOL_STATUS_CORRUPT_CACHE
, /* corrupt /kernel/drv/zpool.cache */
316 ZPOOL_STATUS_MISSING_DEV_R
, /* missing device with replicas */
317 ZPOOL_STATUS_MISSING_DEV_NR
, /* missing device with no replicas */
318 ZPOOL_STATUS_CORRUPT_LABEL_R
, /* bad device label with replicas */
319 ZPOOL_STATUS_CORRUPT_LABEL_NR
, /* bad device label with no replicas */
320 ZPOOL_STATUS_BAD_GUID_SUM
, /* sum of device guids didn't match */
321 ZPOOL_STATUS_CORRUPT_POOL
, /* pool metadata is corrupted */
322 ZPOOL_STATUS_CORRUPT_DATA
, /* data errors in user (meta)data */
323 ZPOOL_STATUS_FAILING_DEV
, /* device experiencing errors */
324 ZPOOL_STATUS_VERSION_NEWER
, /* newer on-disk version */
325 ZPOOL_STATUS_HOSTID_MISMATCH
, /* last accessed by another system */
326 ZPOOL_STATUS_HOSTID_ACTIVE
, /* currently active on another system */
327 ZPOOL_STATUS_HOSTID_REQUIRED
, /* multihost=on and hostid=0 */
328 ZPOOL_STATUS_IO_FAILURE_WAIT
, /* failed I/O, failmode 'wait' */
329 ZPOOL_STATUS_IO_FAILURE_CONTINUE
, /* failed I/O, failmode 'continue' */
330 ZPOOL_STATUS_IO_FAILURE_MMP
, /* failed MMP, failmode not 'panic' */
331 ZPOOL_STATUS_BAD_LOG
, /* cannot read log chain(s) */
332 ZPOOL_STATUS_ERRATA
, /* informational errata available */
335 * If the pool has unsupported features but can still be opened in
336 * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
337 * pool has unsupported features but cannot be opened at all, its
338 * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
340 ZPOOL_STATUS_UNSUP_FEAT_READ
, /* unsupported features for read */
341 ZPOOL_STATUS_UNSUP_FEAT_WRITE
, /* unsupported features for write */
344 * These faults have no corresponding message ID. At the time we are
345 * checking the status, the original reason for the FMA fault (I/O or
346 * checksum errors) has been lost.
348 ZPOOL_STATUS_FAULTED_DEV_R
, /* faulted device with replicas */
349 ZPOOL_STATUS_FAULTED_DEV_NR
, /* faulted device with no replicas */
352 * The following are not faults per se, but still an error possibly
353 * requiring administrative attention. There is no corresponding
356 ZPOOL_STATUS_VERSION_OLDER
, /* older legacy on-disk version */
357 ZPOOL_STATUS_FEAT_DISABLED
, /* supported features are disabled */
358 ZPOOL_STATUS_RESILVERING
, /* device being resilvered */
359 ZPOOL_STATUS_OFFLINE_DEV
, /* device offline */
360 ZPOOL_STATUS_REMOVED_DEV
, /* removed device */
363 * Finally, the following indicates a healthy pool.
368 extern zpool_status_t
zpool_get_status(zpool_handle_t
*, char **,
370 extern zpool_status_t
zpool_import_status(nvlist_t
*, char **,
374 * Statistics and configuration functions.
376 extern nvlist_t
*zpool_get_config(zpool_handle_t
*, nvlist_t
**);
377 extern nvlist_t
*zpool_get_features(zpool_handle_t
*);
378 extern int zpool_refresh_stats(zpool_handle_t
*, boolean_t
*);
379 extern int zpool_get_errlog(zpool_handle_t
*, nvlist_t
**);
382 * Import and export functions
384 extern int zpool_export(zpool_handle_t
*, boolean_t
, const char *);
385 extern int zpool_export_force(zpool_handle_t
*, const char *);
386 extern int zpool_import(libzfs_handle_t
*, nvlist_t
*, const char *,
388 extern int zpool_import_props(libzfs_handle_t
*, nvlist_t
*, const char *,
390 extern void zpool_print_unsup_feat(nvlist_t
*config
);
393 * Miscellaneous pool functions
397 extern const char *zfs_history_event_names
[];
400 VDEV_NAME_PATH
= 1 << 0,
401 VDEV_NAME_GUID
= 1 << 1,
402 VDEV_NAME_FOLLOW_LINKS
= 1 << 2,
403 VDEV_NAME_TYPE_ID
= 1 << 3,
406 extern char *zpool_vdev_name(libzfs_handle_t
*, zpool_handle_t
*, nvlist_t
*,
408 extern int zpool_upgrade(zpool_handle_t
*, uint64_t);
409 extern int zpool_get_history(zpool_handle_t
*, nvlist_t
**);
410 extern int zpool_events_next(libzfs_handle_t
*, nvlist_t
**, int *, unsigned,
412 extern int zpool_events_clear(libzfs_handle_t
*, int *);
413 extern int zpool_events_seek(libzfs_handle_t
*, uint64_t, int);
414 extern void zpool_obj_to_path(zpool_handle_t
*, uint64_t, uint64_t, char *,
416 extern int zfs_ioctl(libzfs_handle_t
*, int, struct zfs_cmd
*);
417 extern int zpool_get_physpath(zpool_handle_t
*, char *, size_t);
418 extern void zpool_explain_recover(libzfs_handle_t
*, const char *, int,
420 extern int zpool_checkpoint(zpool_handle_t
*);
421 extern int zpool_discard_checkpoint(zpool_handle_t
*);
424 * Basic handle manipulations. These functions do not create or destroy the
425 * underlying datasets, only the references to them.
427 extern zfs_handle_t
*zfs_open(libzfs_handle_t
*, const char *, int);
428 extern zfs_handle_t
*zfs_handle_dup(zfs_handle_t
*);
429 extern void zfs_close(zfs_handle_t
*);
430 extern zfs_type_t
zfs_get_type(const zfs_handle_t
*);
431 extern const char *zfs_get_name(const zfs_handle_t
*);
432 extern zpool_handle_t
*zfs_get_pool_handle(const zfs_handle_t
*);
433 extern const char *zfs_get_pool_name(const zfs_handle_t
*);
436 * Property management functions. Some functions are shared with the kernel,
437 * and are found in sys/fs/zfs.h.
441 * zfs dataset property management
443 extern const char *zfs_prop_default_string(zfs_prop_t
);
444 extern uint64_t zfs_prop_default_numeric(zfs_prop_t
);
445 extern const char *zfs_prop_column_name(zfs_prop_t
);
446 extern boolean_t
zfs_prop_align_right(zfs_prop_t
);
448 extern nvlist_t
*zfs_valid_proplist(libzfs_handle_t
*, zfs_type_t
, nvlist_t
*,
449 uint64_t, zfs_handle_t
*, zpool_handle_t
*, boolean_t
, const char *);
451 extern const char *zfs_prop_to_name(zfs_prop_t
);
452 extern int zfs_prop_set(zfs_handle_t
*, const char *, const char *);
453 extern int zfs_prop_set_list(zfs_handle_t
*, nvlist_t
*);
454 extern int zfs_prop_get(zfs_handle_t
*, zfs_prop_t
, char *, size_t,
455 zprop_source_t
*, char *, size_t, boolean_t
);
456 extern int zfs_prop_get_recvd(zfs_handle_t
*, const char *, char *, size_t,
458 extern int zfs_prop_get_numeric(zfs_handle_t
*, zfs_prop_t
, uint64_t *,
459 zprop_source_t
*, char *, size_t);
460 extern int zfs_prop_get_userquota_int(zfs_handle_t
*zhp
, const char *propname
,
461 uint64_t *propvalue
);
462 extern int zfs_prop_get_userquota(zfs_handle_t
*zhp
, const char *propname
,
463 char *propbuf
, int proplen
, boolean_t literal
);
464 extern int zfs_prop_get_written_int(zfs_handle_t
*zhp
, const char *propname
,
465 uint64_t *propvalue
);
466 extern int zfs_prop_get_written(zfs_handle_t
*zhp
, const char *propname
,
467 char *propbuf
, int proplen
, boolean_t literal
);
468 extern int zfs_prop_get_feature(zfs_handle_t
*zhp
, const char *propname
,
469 char *buf
, size_t len
);
470 extern uint64_t getprop_uint64(zfs_handle_t
*, zfs_prop_t
, char **);
471 extern uint64_t zfs_prop_get_int(zfs_handle_t
*, zfs_prop_t
);
472 extern int zfs_prop_inherit(zfs_handle_t
*, const char *, boolean_t
);
473 extern const char *zfs_prop_values(zfs_prop_t
);
474 extern int zfs_prop_is_string(zfs_prop_t prop
);
475 extern nvlist_t
*zfs_get_all_props(zfs_handle_t
*);
476 extern nvlist_t
*zfs_get_user_props(zfs_handle_t
*);
477 extern nvlist_t
*zfs_get_recvd_props(zfs_handle_t
*);
478 extern nvlist_t
*zfs_get_clones_nvl(zfs_handle_t
*);
481 * zfs encryption management
483 extern int zfs_crypto_get_encryption_root(zfs_handle_t
*, boolean_t
*, char *);
484 extern int zfs_crypto_create(libzfs_handle_t
*, char *, nvlist_t
*, nvlist_t
*,
485 boolean_t stdin_available
, uint8_t **, uint_t
*);
486 extern int zfs_crypto_clone_check(libzfs_handle_t
*, zfs_handle_t
*, char *,
488 extern int zfs_crypto_attempt_load_keys(libzfs_handle_t
*, char *);
489 extern int zfs_crypto_load_key(zfs_handle_t
*, boolean_t
, char *);
490 extern int zfs_crypto_unload_key(zfs_handle_t
*);
491 extern int zfs_crypto_rewrap(zfs_handle_t
*, nvlist_t
*, boolean_t
);
493 typedef struct zprop_list
{
496 struct zprop_list
*pl_next
;
499 size_t pl_recvd_width
;
503 extern int zfs_expand_proplist(zfs_handle_t
*, zprop_list_t
**, boolean_t
,
505 extern void zfs_prune_proplist(zfs_handle_t
*, uint8_t *);
507 #define ZFS_MOUNTPOINT_NONE "none"
508 #define ZFS_MOUNTPOINT_LEGACY "legacy"
510 #define ZFS_FEATURE_DISABLED "disabled"
511 #define ZFS_FEATURE_ENABLED "enabled"
512 #define ZFS_FEATURE_ACTIVE "active"
514 #define ZFS_UNSUPPORTED_INACTIVE "inactive"
515 #define ZFS_UNSUPPORTED_READONLY "readonly"
518 * zpool property management
520 extern int zpool_expand_proplist(zpool_handle_t
*, zprop_list_t
**);
521 extern int zpool_prop_get_feature(zpool_handle_t
*, const char *, char *,
523 extern const char *zpool_prop_default_string(zpool_prop_t
);
524 extern uint64_t zpool_prop_default_numeric(zpool_prop_t
);
525 extern const char *zpool_prop_column_name(zpool_prop_t
);
526 extern boolean_t
zpool_prop_align_right(zpool_prop_t
);
529 * Functions shared by zfs and zpool property management.
531 extern int zprop_iter(zprop_func func
, void *cb
, boolean_t show_all
,
532 boolean_t ordered
, zfs_type_t type
);
533 extern int zprop_get_list(libzfs_handle_t
*, char *, zprop_list_t
**,
535 extern void zprop_free_list(zprop_list_t
*);
537 #define ZFS_GET_NCOLS 5
549 * Functions for printing zfs or zpool properties
551 typedef struct zprop_get_cbdata
{
553 zfs_get_column_t cb_columns
[ZFS_GET_NCOLS
];
554 int cb_colwidths
[ZFS_GET_NCOLS
+ 1];
555 boolean_t cb_scripted
;
556 boolean_t cb_literal
;
558 zprop_list_t
*cb_proplist
;
560 } zprop_get_cbdata_t
;
562 void zprop_print_one_property(const char *, zprop_get_cbdata_t
*,
563 const char *, const char *, zprop_source_t
, const char *,
567 * Iterator functions.
569 typedef int (*zfs_iter_f
)(zfs_handle_t
*, void *);
570 extern int zfs_iter_root(libzfs_handle_t
*, zfs_iter_f
, void *);
571 extern int zfs_iter_children(zfs_handle_t
*, zfs_iter_f
, void *);
572 extern int zfs_iter_dependents(zfs_handle_t
*, boolean_t
, zfs_iter_f
, void *);
573 extern int zfs_iter_filesystems(zfs_handle_t
*, zfs_iter_f
, void *);
574 extern int zfs_iter_snapshots(zfs_handle_t
*, boolean_t
, zfs_iter_f
, void *);
575 extern int zfs_iter_snapshots_sorted(zfs_handle_t
*, zfs_iter_f
, void *);
576 extern int zfs_iter_snapspec(zfs_handle_t
*, const char *, zfs_iter_f
, void *);
577 extern int zfs_iter_bookmarks(zfs_handle_t
*, zfs_iter_f
, void *);
578 extern int zfs_iter_mounted(zfs_handle_t
*, zfs_iter_f
, void *);
580 typedef struct get_all_cb
{
581 zfs_handle_t
**cb_handles
;
586 void zfs_foreach_mountpoint(libzfs_handle_t
*, zfs_handle_t
**, size_t,
587 zfs_iter_f
, void *, boolean_t
);
588 void libzfs_add_handle(get_all_cb_t
*, zfs_handle_t
*);
591 * Functions to create and destroy datasets.
593 extern int zfs_create(libzfs_handle_t
*, const char *, zfs_type_t
,
595 extern int zfs_create_ancestors(libzfs_handle_t
*, const char *);
596 extern int zfs_destroy(zfs_handle_t
*, boolean_t
);
597 extern int zfs_destroy_snaps(zfs_handle_t
*, char *, boolean_t
);
598 extern int zfs_destroy_snaps_nvl(libzfs_handle_t
*, nvlist_t
*, boolean_t
);
599 extern int zfs_clone(zfs_handle_t
*, const char *, nvlist_t
*);
600 extern int zfs_snapshot(libzfs_handle_t
*, const char *, boolean_t
, nvlist_t
*);
601 extern int zfs_snapshot_nvl(libzfs_handle_t
*hdl
, nvlist_t
*snaps
,
603 extern int zfs_rollback(zfs_handle_t
*, zfs_handle_t
*, boolean_t
);
604 extern int zfs_rename(zfs_handle_t
*, const char *, boolean_t
, boolean_t
);
606 typedef struct sendflags
{
607 /* print informational messages (ie, -v was specified) */
610 /* recursive send (ie, -R) */
613 /* for incrementals, do all intermediate snapshots */
616 /* if dataset is a clone, do incremental from its origin */
617 boolean_t fromorigin
;
619 /* do deduplication */
622 /* send properties (ie, -p) */
625 /* do not send (no-op, ie. -n) */
628 /* parsable verbose output (ie. -P) */
631 /* show progress (ie. -v) */
634 /* large blocks (>128K) are permitted */
635 boolean_t largeblock
;
637 /* WRITE_EMBEDDED records of type DATA are permitted */
638 boolean_t embed_data
;
640 /* compressed WRITE records are permitted */
643 /* raw encrypted records are permitted */
646 /* only send received properties (ie. -b) */
649 /* include snapshot holds in send stream */
653 typedef boolean_t (snapfilter_cb_t
)(zfs_handle_t
*, void *);
655 extern int zfs_send(zfs_handle_t
*, const char *, const char *,
656 sendflags_t
*, int, snapfilter_cb_t
, void *, nvlist_t
**);
657 extern int zfs_send_one(zfs_handle_t
*, const char *, int, sendflags_t flags
);
658 extern int zfs_send_resume(libzfs_handle_t
*, sendflags_t
*, int outfd
,
660 extern nvlist_t
*zfs_send_resume_token_to_nvlist(libzfs_handle_t
*hdl
,
663 extern int zfs_promote(zfs_handle_t
*);
664 extern int zfs_hold(zfs_handle_t
*, const char *, const char *,
666 extern int zfs_hold_nvl(zfs_handle_t
*, int, nvlist_t
*);
667 extern int zfs_release(zfs_handle_t
*, const char *, const char *, boolean_t
);
668 extern int zfs_get_holds(zfs_handle_t
*, nvlist_t
**);
669 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t
*);
671 typedef int (*zfs_userspace_cb_t
)(void *arg
, const char *domain
,
672 uid_t rid
, uint64_t space
);
674 extern int zfs_userspace(zfs_handle_t
*, zfs_userquota_prop_t
,
675 zfs_userspace_cb_t
, void *);
677 extern int zfs_get_fsacl(zfs_handle_t
*, nvlist_t
**);
678 extern int zfs_set_fsacl(zfs_handle_t
*, boolean_t
, nvlist_t
*);
680 typedef struct recvflags
{
681 /* print informational messages (ie, -v was specified) */
684 /* the destination is a prefix, not the exact fs (ie, -d) */
688 * Only the tail of the sent snapshot path is appended to the
689 * destination to determine the received snapshot name (ie, -e).
693 /* do not actually do the recv, just check if it would work (ie, -n) */
696 /* rollback/destroy filesystems as necessary (eg, -F) */
699 /* set "canmount=off" on all modified filesystems */
700 boolean_t canmountoff
;
703 * Mark the file systems as "resumable" and do not destroy them if the
704 * receive is interrupted
708 /* byteswap flag is used internally; callers need not specify */
711 /* do not mount file systems as they are extracted (private) */
714 /* Was holds flag set in the compound header? */
717 /* skip receive of snapshot holds */
721 extern int zfs_receive(libzfs_handle_t
*, const char *, nvlist_t
*,
722 recvflags_t
*, int, avl_tree_t
*);
724 typedef enum diff_flags
{
725 ZFS_DIFF_PARSEABLE
= 0x1,
726 ZFS_DIFF_TIMESTAMP
= 0x2,
727 ZFS_DIFF_CLASSIFY
= 0x4
730 extern int zfs_show_diffs(zfs_handle_t
*, int, const char *, const char *,
734 * Miscellaneous functions.
736 extern const char *zfs_type_to_name(zfs_type_t
);
737 extern void zfs_refresh_properties(zfs_handle_t
*);
738 extern int zfs_name_valid(const char *, zfs_type_t
);
739 extern zfs_handle_t
*zfs_path_to_zhandle(libzfs_handle_t
*, char *, zfs_type_t
);
740 extern int zfs_parent_name(zfs_handle_t
*, char *, size_t);
741 extern boolean_t
zfs_dataset_exists(libzfs_handle_t
*, const char *,
743 extern int zfs_spa_version(zfs_handle_t
*, int *);
744 extern boolean_t
zfs_bookmark_exists(const char *path
);
747 * Mount support functions.
749 extern boolean_t
is_mounted(libzfs_handle_t
*, const char *special
, char **);
750 extern boolean_t
zfs_is_mounted(zfs_handle_t
*, char **);
751 extern int zfs_mount(zfs_handle_t
*, const char *, int);
752 extern int zfs_unmount(zfs_handle_t
*, const char *, int);
753 extern int zfs_unmountall(zfs_handle_t
*, int);
756 * Share support functions.
758 extern boolean_t
zfs_is_shared(zfs_handle_t
*);
759 extern int zfs_share(zfs_handle_t
*);
760 extern int zfs_unshare(zfs_handle_t
*);
763 * Protocol-specific share support functions.
765 extern boolean_t
zfs_is_shared_nfs(zfs_handle_t
*, char **);
766 extern boolean_t
zfs_is_shared_smb(zfs_handle_t
*, char **);
767 extern int zfs_share_nfs(zfs_handle_t
*);
768 extern int zfs_share_smb(zfs_handle_t
*);
769 extern int zfs_shareall(zfs_handle_t
*);
770 extern int zfs_unshare_nfs(zfs_handle_t
*, const char *);
771 extern int zfs_unshare_smb(zfs_handle_t
*, const char *);
772 extern int zfs_unshareall_nfs(zfs_handle_t
*);
773 extern int zfs_unshareall_smb(zfs_handle_t
*);
774 extern int zfs_unshareall_bypath(zfs_handle_t
*, const char *);
775 extern int zfs_unshareall_bytype(zfs_handle_t
*, const char *, const char *);
776 extern int zfs_unshareall(zfs_handle_t
*);
777 extern int zfs_deleg_share_nfs(libzfs_handle_t
*, char *, char *, char *,
778 void *, void *, int, zfs_share_op_t
);
780 extern int zfs_nicestrtonum(libzfs_handle_t
*, const char *, uint64_t *);
783 * Utility functions to run an external process.
785 #define STDOUT_VERBOSE 0x01
786 #define STDERR_VERBOSE 0x02
787 #define NO_DEFAULT_PATH 0x04 /* Don't use $PATH to lookup the command */
789 int libzfs_run_process(const char *, char **, int flags
);
790 int libzfs_run_process_get_stdout(const char *path
, char *argv
[], char *env
[],
791 char **lines
[], int *lines_cnt
);
792 int libzfs_run_process_get_stdout_nopath(const char *path
, char *argv
[],
793 char *env
[], char **lines
[], int *lines_cnt
);
795 void libzfs_free_str_array(char **strs
, int count
);
797 int libzfs_envvar_is_set(char *envvar
);
800 * Given a device or file, determine if it is part of a pool.
802 extern int zpool_in_use(libzfs_handle_t
*, int, pool_state_t
*, char **,
806 * Label manipulation.
808 extern int zpool_clear_label(int);
811 * Management interfaces for SMB ACL files
814 int zfs_smb_acl_add(libzfs_handle_t
*, char *, char *, char *);
815 int zfs_smb_acl_remove(libzfs_handle_t
*, char *, char *, char *);
816 int zfs_smb_acl_purge(libzfs_handle_t
*, char *, char *);
817 int zfs_smb_acl_rename(libzfs_handle_t
*, char *, char *, char *, char *);
820 * Enable and disable datasets within a pool by mounting/unmounting and
821 * sharing/unsharing them.
823 extern int zpool_enable_datasets(zpool_handle_t
*, const char *, int);
824 extern int zpool_disable_datasets(zpool_handle_t
*, boolean_t
);
826 extern int zfs_remap_indirects(libzfs_handle_t
*hdl
, const char *);
832 #endif /* _LIBZFS_H */