xref: /freebsd/sys/contrib/openzfs/include/libzfs.h (revision 61e21613)
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 https://opensource.org/licenses/CDDL-1.0.
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, 2022 by Delphix. All rights reserved.
25  * Copyright Joyent, Inc.
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) 2019 Datto Inc.
31  * Copyright (c) 2021, Colm Buckley <colm@tuatha.org>
32  */
33 
34 #ifndef	_LIBZFS_H
35 #define	_LIBZFS_H extern __attribute__((visibility("default")))
36 
37 #include <assert.h>
38 #include <libshare.h>
39 #include <libnvpair.h>
40 #include <sys/mnttab.h>
41 #include <sys/param.h>
42 #include <sys/types.h>
43 #include <sys/fs/zfs.h>
44 #include <sys/avl.h>
45 #include <libzfs_core.h>
46 
47 #ifdef	__cplusplus
48 extern "C" {
49 #endif
50 
51 /*
52  * Miscellaneous ZFS constants
53  */
54 #define	ZFS_MAXPROPLEN		MAXPATHLEN
55 #define	ZPOOL_MAXPROPLEN	MAXPATHLEN
56 
57 /*
58  * libzfs errors
59  */
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,	/* resilvering (healing reconstruction) */
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,	/* failed to unshare over nfs */
92 	EZFS_SHARENFSFAILED,	/* failed to share over nfs */
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_ERRORSCRUBBING,	/* currently error scrubbing */
129 	EZFS_ERRORSCRUB_PAUSED,	/* error scrub currently paused */
130 	EZFS_NO_SCRUB,		/* no active scrub */
131 	EZFS_DIFF,		/* general failure of zfs diff */
132 	EZFS_DIFFDATA,		/* bad zfs diff data */
133 	EZFS_POOLREADONLY,	/* pool is in read-only mode */
134 	EZFS_SCRUB_PAUSED,	/* scrub currently paused */
135 	EZFS_SCRUB_PAUSED_TO_CANCEL,	/* scrub currently paused */
136 	EZFS_ACTIVE_POOL,	/* pool is imported on a different system */
137 	EZFS_CRYPTOFAILED,	/* failed to setup encryption */
138 	EZFS_NO_PENDING,	/* cannot cancel, no operation is pending */
139 	EZFS_CHECKPOINT_EXISTS,	/* checkpoint exists */
140 	EZFS_DISCARDING_CHECKPOINT,	/* currently discarding a checkpoint */
141 	EZFS_NO_CHECKPOINT,	/* pool has no checkpoint */
142 	EZFS_DEVRM_IN_PROGRESS,	/* a device is currently being removed */
143 	EZFS_VDEV_TOO_BIG,	/* a device is too big to be used */
144 	EZFS_IOC_NOTSUPPORTED,	/* operation not supported by zfs module */
145 	EZFS_TOOMANY,		/* argument list too long */
146 	EZFS_INITIALIZING,	/* currently initializing */
147 	EZFS_NO_INITIALIZE,	/* no active initialize */
148 	EZFS_WRONG_PARENT,	/* invalid parent dataset (e.g ZVOL) */
149 	EZFS_TRIMMING,		/* currently trimming */
150 	EZFS_NO_TRIM,		/* no active trim */
151 	EZFS_TRIM_NOTSUP,	/* device does not support trim */
152 	EZFS_NO_RESILVER_DEFER,	/* pool doesn't support resilver_defer */
153 	EZFS_EXPORT_IN_PROGRESS,	/* currently exporting the pool */
154 	EZFS_REBUILDING,	/* resilvering (sequential reconstrution) */
155 	EZFS_VDEV_NOTSUP,	/* ops not supported for this type of vdev */
156 	EZFS_NOT_USER_NAMESPACE,	/* a file is not a user namespace */
157 	EZFS_CKSUM,		/* insufficient replicas */
158 	EZFS_RESUME_EXISTS,	/* Resume on existing dataset without force */
159 	EZFS_SHAREFAILED,	/* filesystem share failed */
160 	EZFS_RAIDZ_EXPAND_IN_PROGRESS,	/* a raidz is currently expanding */
161 	EZFS_UNKNOWN
162 } zfs_error_t;
163 
164 /*
165  * The following data structures are all part
166  * of the zfs_allow_t data structure which is
167  * used for printing 'allow' permissions.
168  * It is a linked list of zfs_allow_t's which
169  * then contain avl tree's for user/group/sets/...
170  * and each one of the entries in those trees have
171  * avl tree's for the permissions they belong to and
172  * whether they are local,descendent or local+descendent
173  * permissions.  The AVL trees are used primarily for
174  * sorting purposes, but also so that we can quickly find
175  * a given user and or permission.
176  */
177 typedef struct zfs_perm_node {
178 	avl_node_t z_node;
179 	char z_pname[MAXPATHLEN];
180 } zfs_perm_node_t;
181 
182 typedef struct zfs_allow_node {
183 	avl_node_t z_node;
184 	char z_key[MAXPATHLEN];		/* name, such as joe */
185 	avl_tree_t z_localdescend;	/* local+descendent perms */
186 	avl_tree_t z_local;		/* local permissions */
187 	avl_tree_t z_descend;		/* descendent permissions */
188 } zfs_allow_node_t;
189 
190 typedef struct zfs_allow {
191 	struct zfs_allow *z_next;
192 	char z_setpoint[MAXPATHLEN];
193 	avl_tree_t z_sets;
194 	avl_tree_t z_crperms;
195 	avl_tree_t z_user;
196 	avl_tree_t z_group;
197 	avl_tree_t z_everyone;
198 } zfs_allow_t;
199 
200 /*
201  * Basic handle types
202  */
203 typedef struct zfs_handle zfs_handle_t;
204 typedef struct zpool_handle zpool_handle_t;
205 typedef struct libzfs_handle libzfs_handle_t;
206 
207 _LIBZFS_H int zpool_wait(zpool_handle_t *, zpool_wait_activity_t);
208 _LIBZFS_H int zpool_wait_status(zpool_handle_t *, zpool_wait_activity_t,
209     boolean_t *, boolean_t *);
210 
211 /*
212  * Library initialization
213  */
214 _LIBZFS_H libzfs_handle_t *libzfs_init(void);
215 _LIBZFS_H void libzfs_fini(libzfs_handle_t *);
216 
217 _LIBZFS_H libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
218 _LIBZFS_H libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
219 
220 _LIBZFS_H void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
221 
222 _LIBZFS_H void zfs_save_arguments(int argc, char **, char *, int);
223 _LIBZFS_H int zpool_log_history(libzfs_handle_t *, const char *);
224 
225 _LIBZFS_H int libzfs_errno(libzfs_handle_t *);
226 _LIBZFS_H const char *libzfs_error_init(int);
227 _LIBZFS_H const char *libzfs_error_action(libzfs_handle_t *);
228 _LIBZFS_H const char *libzfs_error_description(libzfs_handle_t *);
229 _LIBZFS_H int zfs_standard_error(libzfs_handle_t *, int, const char *);
230 _LIBZFS_H void libzfs_mnttab_init(libzfs_handle_t *);
231 _LIBZFS_H void libzfs_mnttab_fini(libzfs_handle_t *);
232 _LIBZFS_H void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
233 _LIBZFS_H int libzfs_mnttab_find(libzfs_handle_t *, const char *,
234     struct mnttab *);
235 _LIBZFS_H void libzfs_mnttab_add(libzfs_handle_t *, const char *,
236     const char *, const char *);
237 _LIBZFS_H void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
238 
239 /*
240  * Basic handle functions
241  */
242 _LIBZFS_H zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
243 _LIBZFS_H zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
244 _LIBZFS_H void zpool_close(zpool_handle_t *);
245 _LIBZFS_H const char *zpool_get_name(zpool_handle_t *);
246 _LIBZFS_H int zpool_get_state(zpool_handle_t *);
247 _LIBZFS_H const char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
248 _LIBZFS_H const char *zpool_pool_state_to_name(pool_state_t);
249 _LIBZFS_H void zpool_free_handles(libzfs_handle_t *);
250 
251 /*
252  * Iterate over all active pools in the system.
253  */
254 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
255 _LIBZFS_H int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
256 _LIBZFS_H boolean_t zpool_skip_pool(const char *);
257 
258 /*
259  * Functions to create and destroy pools
260  */
261 _LIBZFS_H int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
262     nvlist_t *, nvlist_t *);
263 _LIBZFS_H int zpool_destroy(zpool_handle_t *, const char *);
264 _LIBZFS_H int zpool_add(zpool_handle_t *, nvlist_t *);
265 
266 typedef struct splitflags {
267 	/* do not split, but return the config that would be split off */
268 	unsigned int dryrun : 1;
269 
270 	/* after splitting, import the pool */
271 	unsigned int import : 1;
272 	int name_flags;
273 } splitflags_t;
274 
275 typedef struct trimflags {
276 	/* requested vdevs are for the entire pool */
277 	boolean_t fullpool;
278 
279 	/* request a secure trim, requires support from device */
280 	boolean_t secure;
281 
282 	/* after starting trim, block until trim completes */
283 	boolean_t wait;
284 
285 	/* trim at the requested rate in bytes/second */
286 	uint64_t rate;
287 } trimflags_t;
288 
289 /*
290  * Functions to manipulate pool and vdev state
291  */
292 _LIBZFS_H int zpool_scan(zpool_handle_t *, pool_scan_func_t, pool_scrub_cmd_t);
293 _LIBZFS_H int zpool_initialize(zpool_handle_t *, pool_initialize_func_t,
294     nvlist_t *);
295 _LIBZFS_H int zpool_initialize_wait(zpool_handle_t *, pool_initialize_func_t,
296     nvlist_t *);
297 _LIBZFS_H int zpool_trim(zpool_handle_t *, pool_trim_func_t, nvlist_t *,
298     trimflags_t *);
299 
300 _LIBZFS_H int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
301 _LIBZFS_H int zpool_reguid(zpool_handle_t *);
302 _LIBZFS_H int zpool_reopen_one(zpool_handle_t *, void *);
303 
304 _LIBZFS_H int zpool_sync_one(zpool_handle_t *, void *);
305 
306 _LIBZFS_H int zpool_vdev_online(zpool_handle_t *, const char *, int,
307     vdev_state_t *);
308 _LIBZFS_H int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
309 _LIBZFS_H int zpool_vdev_attach(zpool_handle_t *, const char *,
310     const char *, nvlist_t *, int, boolean_t);
311 _LIBZFS_H int zpool_vdev_detach(zpool_handle_t *, const char *);
312 _LIBZFS_H int zpool_vdev_remove(zpool_handle_t *, const char *);
313 _LIBZFS_H int zpool_vdev_remove_cancel(zpool_handle_t *);
314 _LIBZFS_H int zpool_vdev_indirect_size(zpool_handle_t *, const char *,
315     uint64_t *);
316 _LIBZFS_H int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **,
317     nvlist_t *, splitflags_t);
318 _LIBZFS_H int zpool_vdev_remove_wanted(zpool_handle_t *, const char *);
319 
320 _LIBZFS_H int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
321 _LIBZFS_H int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
322 _LIBZFS_H int zpool_vdev_clear(zpool_handle_t *, uint64_t);
323 
324 _LIBZFS_H nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
325     boolean_t *, boolean_t *);
326 _LIBZFS_H nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
327     boolean_t *, boolean_t *, boolean_t *);
328 _LIBZFS_H int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *,
329     const char *);
330 _LIBZFS_H int zpool_prepare_disk(zpool_handle_t *zhp, nvlist_t *vdev_nv,
331     const char *prepare_str, char **lines[], int *lines_cnt);
332 _LIBZFS_H int zpool_prepare_and_label_disk(libzfs_handle_t *hdl,
333     zpool_handle_t *, const char *, nvlist_t *vdev_nv, const char *prepare_str,
334     char **lines[], int *lines_cnt);
335 _LIBZFS_H char ** zpool_vdev_script_alloc_env(const char *pool_name,
336     const char *vdev_path, const char *vdev_upath,
337     const char *vdev_enc_sysfs_path, const char *opt_key, const char *opt_val);
338 _LIBZFS_H void zpool_vdev_script_free_env(char **env);
339 _LIBZFS_H uint64_t zpool_vdev_path_to_guid(zpool_handle_t *zhp,
340     const char *path);
341 
342 _LIBZFS_H const char *zpool_get_state_str(zpool_handle_t *);
343 
344 /*
345  * Functions to manage pool properties
346  */
347 _LIBZFS_H int zpool_set_prop(zpool_handle_t *, const char *, const char *);
348 _LIBZFS_H int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
349     size_t proplen, zprop_source_t *, boolean_t literal);
350 _LIBZFS_H int zpool_get_userprop(zpool_handle_t *, const char *, char *,
351     size_t proplen, zprop_source_t *);
352 _LIBZFS_H uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
353     zprop_source_t *);
354 _LIBZFS_H int zpool_props_refresh(zpool_handle_t *);
355 
356 _LIBZFS_H const char *zpool_prop_to_name(zpool_prop_t);
357 _LIBZFS_H const char *zpool_prop_values(zpool_prop_t);
358 
359 /*
360  * Functions to manage vdev properties
361  */
362 _LIBZFS_H int zpool_get_vdev_prop_value(nvlist_t *, vdev_prop_t, char *, char *,
363     size_t, zprop_source_t *, boolean_t);
364 _LIBZFS_H int zpool_get_vdev_prop(zpool_handle_t *, const char *, vdev_prop_t,
365     char *, char *, size_t, zprop_source_t *, boolean_t);
366 _LIBZFS_H int zpool_get_all_vdev_props(zpool_handle_t *, const char *,
367     nvlist_t **);
368 _LIBZFS_H int zpool_set_vdev_prop(zpool_handle_t *, const char *, const char *,
369     const char *);
370 
371 _LIBZFS_H const char *vdev_prop_to_name(vdev_prop_t);
372 _LIBZFS_H const char *vdev_prop_values(vdev_prop_t);
373 _LIBZFS_H boolean_t vdev_prop_user(const char *name);
374 _LIBZFS_H const char *vdev_prop_column_name(vdev_prop_t);
375 _LIBZFS_H boolean_t vdev_prop_align_right(vdev_prop_t);
376 
377 /*
378  * Pool health statistics.
379  */
380 typedef enum {
381 	/*
382 	 * The following correspond to faults as defined in the (fault.fs.zfs.*)
383 	 * event namespace.  Each is associated with a corresponding message ID.
384 	 * This must be kept in sync with the zfs_msgid_table in
385 	 * lib/libzfs/libzfs_status.c.
386 	 */
387 	ZPOOL_STATUS_CORRUPT_CACHE,	/* corrupt /kernel/drv/zpool.cache */
388 	ZPOOL_STATUS_MISSING_DEV_R,	/* missing device with replicas */
389 	ZPOOL_STATUS_MISSING_DEV_NR,	/* missing device with no replicas */
390 	ZPOOL_STATUS_CORRUPT_LABEL_R,	/* bad device label with replicas */
391 	ZPOOL_STATUS_CORRUPT_LABEL_NR,	/* bad device label with no replicas */
392 	ZPOOL_STATUS_BAD_GUID_SUM,	/* sum of device guids didn't match */
393 	ZPOOL_STATUS_CORRUPT_POOL,	/* pool metadata is corrupted */
394 	ZPOOL_STATUS_CORRUPT_DATA,	/* data errors in user (meta)data */
395 	ZPOOL_STATUS_FAILING_DEV,	/* device experiencing errors */
396 	ZPOOL_STATUS_VERSION_NEWER,	/* newer on-disk version */
397 	ZPOOL_STATUS_HOSTID_MISMATCH,	/* last accessed by another system */
398 	ZPOOL_STATUS_HOSTID_ACTIVE,	/* currently active on another system */
399 	ZPOOL_STATUS_HOSTID_REQUIRED,	/* multihost=on and hostid=0 */
400 	ZPOOL_STATUS_IO_FAILURE_WAIT,	/* failed I/O, failmode 'wait' */
401 	ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
402 	ZPOOL_STATUS_IO_FAILURE_MMP,	/* failed MMP, failmode not 'panic' */
403 	ZPOOL_STATUS_BAD_LOG,		/* cannot read log chain(s) */
404 	ZPOOL_STATUS_ERRATA,		/* informational errata available */
405 
406 	/*
407 	 * If the pool has unsupported features but can still be opened in
408 	 * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
409 	 * pool has unsupported features but cannot be opened at all, its
410 	 * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
411 	 */
412 	ZPOOL_STATUS_UNSUP_FEAT_READ,	/* unsupported features for read */
413 	ZPOOL_STATUS_UNSUP_FEAT_WRITE,	/* unsupported features for write */
414 
415 	/*
416 	 * These faults have no corresponding message ID.  At the time we are
417 	 * checking the status, the original reason for the FMA fault (I/O or
418 	 * checksum errors) has been lost.
419 	 */
420 	ZPOOL_STATUS_FAULTED_DEV_R,	/* faulted device with replicas */
421 	ZPOOL_STATUS_FAULTED_DEV_NR,	/* faulted device with no replicas */
422 
423 	/*
424 	 * The following are not faults per se, but still an error possibly
425 	 * requiring administrative attention.  There is no corresponding
426 	 * message ID.
427 	 */
428 	ZPOOL_STATUS_VERSION_OLDER,	/* older legacy on-disk version */
429 	ZPOOL_STATUS_FEAT_DISABLED,	/* supported features are disabled */
430 	ZPOOL_STATUS_RESILVERING,	/* device being resilvered */
431 	ZPOOL_STATUS_OFFLINE_DEV,	/* device offline */
432 	ZPOOL_STATUS_REMOVED_DEV,	/* removed device */
433 	ZPOOL_STATUS_REBUILDING,	/* device being rebuilt */
434 	ZPOOL_STATUS_REBUILD_SCRUB,	/* recommend scrubbing the pool */
435 	ZPOOL_STATUS_NON_NATIVE_ASHIFT,	/* (e.g. 512e dev with ashift of 9) */
436 	ZPOOL_STATUS_COMPATIBILITY_ERR,	/* bad 'compatibility' property */
437 	ZPOOL_STATUS_INCOMPATIBLE_FEAT,	/* feature set outside compatibility */
438 
439 	/*
440 	 * Finally, the following indicates a healthy pool.
441 	 */
442 	ZPOOL_STATUS_OK
443 } zpool_status_t;
444 
445 _LIBZFS_H zpool_status_t zpool_get_status(zpool_handle_t *, const char **,
446     zpool_errata_t *);
447 _LIBZFS_H zpool_status_t zpool_import_status(nvlist_t *, const char **,
448     zpool_errata_t *);
449 
450 /*
451  * Statistics and configuration functions.
452  */
453 _LIBZFS_H nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
454 _LIBZFS_H nvlist_t *zpool_get_features(zpool_handle_t *);
455 _LIBZFS_H int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
456 _LIBZFS_H int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
457 
458 /*
459  * Import and export functions
460  */
461 _LIBZFS_H int zpool_export(zpool_handle_t *, boolean_t, const char *);
462 _LIBZFS_H int zpool_export_force(zpool_handle_t *, const char *);
463 _LIBZFS_H int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
464     char *altroot);
465 _LIBZFS_H int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
466     nvlist_t *, int);
467 _LIBZFS_H void zpool_print_unsup_feat(nvlist_t *config);
468 
469 /*
470  * Miscellaneous pool functions
471  */
472 struct zfs_cmd;
473 
474 _LIBZFS_H const char *const zfs_history_event_names[];
475 
476 typedef enum {
477 	VDEV_NAME_PATH		= 1 << 0,
478 	VDEV_NAME_GUID		= 1 << 1,
479 	VDEV_NAME_FOLLOW_LINKS	= 1 << 2,
480 	VDEV_NAME_TYPE_ID	= 1 << 3,
481 } vdev_name_t;
482 
483 _LIBZFS_H char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
484     int name_flags);
485 _LIBZFS_H int zpool_upgrade(zpool_handle_t *, uint64_t);
486 _LIBZFS_H int zpool_get_history(zpool_handle_t *, nvlist_t **, uint64_t *,
487     boolean_t *);
488 _LIBZFS_H int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, unsigned,
489     int);
490 _LIBZFS_H int zpool_events_clear(libzfs_handle_t *, int *);
491 _LIBZFS_H int zpool_events_seek(libzfs_handle_t *, uint64_t, int);
492 _LIBZFS_H void zpool_obj_to_path_ds(zpool_handle_t *, uint64_t, uint64_t,
493     char *, size_t);
494 _LIBZFS_H void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
495     size_t);
496 _LIBZFS_H int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
497 _LIBZFS_H void zpool_explain_recover(libzfs_handle_t *, const char *, int,
498     nvlist_t *);
499 _LIBZFS_H int zpool_checkpoint(zpool_handle_t *);
500 _LIBZFS_H int zpool_discard_checkpoint(zpool_handle_t *);
501 _LIBZFS_H boolean_t zpool_is_draid_spare(const char *);
502 
503 /*
504  * Basic handle manipulations.  These functions do not create or destroy the
505  * underlying datasets, only the references to them.
506  */
507 _LIBZFS_H zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
508 _LIBZFS_H zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
509 _LIBZFS_H void zfs_close(zfs_handle_t *);
510 _LIBZFS_H zfs_type_t zfs_get_type(const zfs_handle_t *);
511 _LIBZFS_H zfs_type_t zfs_get_underlying_type(const zfs_handle_t *);
512 _LIBZFS_H const char *zfs_get_name(const zfs_handle_t *);
513 _LIBZFS_H zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
514 _LIBZFS_H const char *zfs_get_pool_name(const zfs_handle_t *);
515 
516 /*
517  * Property management functions.  Some functions are shared with the kernel,
518  * and are found in sys/fs/zfs.h.
519  */
520 
521 /*
522  * zfs dataset property management
523  */
524 _LIBZFS_H const char *zfs_prop_default_string(zfs_prop_t);
525 _LIBZFS_H uint64_t zfs_prop_default_numeric(zfs_prop_t);
526 _LIBZFS_H const char *zfs_prop_column_name(zfs_prop_t);
527 _LIBZFS_H boolean_t zfs_prop_align_right(zfs_prop_t);
528 
529 _LIBZFS_H nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
530     nvlist_t *, uint64_t, zfs_handle_t *, zpool_handle_t *, boolean_t,
531     const char *);
532 
533 _LIBZFS_H const char *zfs_prop_to_name(zfs_prop_t);
534 _LIBZFS_H int zfs_prop_set(zfs_handle_t *, const char *, const char *);
535 _LIBZFS_H int zfs_prop_set_list(zfs_handle_t *, nvlist_t *);
536 _LIBZFS_H int zfs_prop_set_list_flags(zfs_handle_t *, nvlist_t *, int);
537 _LIBZFS_H int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
538     zprop_source_t *, char *, size_t, boolean_t);
539 _LIBZFS_H int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
540     boolean_t);
541 _LIBZFS_H int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
542     zprop_source_t *, char *, size_t);
543 _LIBZFS_H int zfs_prop_get_userquota_int(zfs_handle_t *zhp,
544     const char *propname, uint64_t *propvalue);
545 _LIBZFS_H int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
546     char *propbuf, int proplen, boolean_t literal);
547 _LIBZFS_H int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
548     uint64_t *propvalue);
549 _LIBZFS_H int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
550     char *propbuf, int proplen, boolean_t literal);
551 _LIBZFS_H int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
552     char *buf, size_t len);
553 _LIBZFS_H uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, const char **);
554 _LIBZFS_H uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
555 _LIBZFS_H int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
556 _LIBZFS_H const char *zfs_prop_values(zfs_prop_t);
557 _LIBZFS_H int zfs_prop_is_string(zfs_prop_t prop);
558 _LIBZFS_H nvlist_t *zfs_get_all_props(zfs_handle_t *);
559 _LIBZFS_H nvlist_t *zfs_get_user_props(zfs_handle_t *);
560 _LIBZFS_H nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
561 _LIBZFS_H nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
562 
563 _LIBZFS_H int zfs_wait_status(zfs_handle_t *, zfs_wait_activity_t,
564     boolean_t *, boolean_t *);
565 
566 /*
567  * zfs encryption management
568  */
569 _LIBZFS_H int zfs_crypto_get_encryption_root(zfs_handle_t *, boolean_t *,
570     char *);
571 _LIBZFS_H int zfs_crypto_create(libzfs_handle_t *, char *, nvlist_t *,
572     nvlist_t *, boolean_t stdin_available, uint8_t **, uint_t *);
573 _LIBZFS_H int zfs_crypto_clone_check(libzfs_handle_t *, zfs_handle_t *, char *,
574     nvlist_t *);
575 _LIBZFS_H int zfs_crypto_attempt_load_keys(libzfs_handle_t *, const char *);
576 _LIBZFS_H int zfs_crypto_load_key(zfs_handle_t *, boolean_t, const char *);
577 _LIBZFS_H int zfs_crypto_unload_key(zfs_handle_t *);
578 _LIBZFS_H int zfs_crypto_rewrap(zfs_handle_t *, nvlist_t *, boolean_t);
579 
580 typedef struct zprop_list {
581 	int		pl_prop;
582 	char		*pl_user_prop;
583 	struct zprop_list *pl_next;
584 	boolean_t	pl_all;
585 	size_t		pl_width;
586 	size_t		pl_recvd_width;
587 	boolean_t	pl_fixed;
588 } zprop_list_t;
589 
590 _LIBZFS_H int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t,
591     boolean_t);
592 _LIBZFS_H void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
593 _LIBZFS_H int vdev_expand_proplist(zpool_handle_t *, const char *,
594     zprop_list_t **);
595 
596 #define	ZFS_MOUNTPOINT_NONE	"none"
597 #define	ZFS_MOUNTPOINT_LEGACY	"legacy"
598 
599 #define	ZFS_FEATURE_DISABLED	"disabled"
600 #define	ZFS_FEATURE_ENABLED	"enabled"
601 #define	ZFS_FEATURE_ACTIVE	"active"
602 
603 #define	ZFS_UNSUPPORTED_INACTIVE	"inactive"
604 #define	ZFS_UNSUPPORTED_READONLY	"readonly"
605 
606 /*
607  * zpool property management
608  */
609 _LIBZFS_H int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **,
610     zfs_type_t, boolean_t);
611 _LIBZFS_H int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
612     size_t);
613 _LIBZFS_H const char *zpool_prop_default_string(zpool_prop_t);
614 _LIBZFS_H uint64_t zpool_prop_default_numeric(zpool_prop_t);
615 _LIBZFS_H const char *zpool_prop_column_name(zpool_prop_t);
616 _LIBZFS_H boolean_t zpool_prop_align_right(zpool_prop_t);
617 
618 /*
619  * Functions shared by zfs and zpool property management.
620  */
621 _LIBZFS_H int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
622     boolean_t ordered, zfs_type_t type);
623 _LIBZFS_H int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
624     zfs_type_t);
625 _LIBZFS_H void zprop_free_list(zprop_list_t *);
626 
627 #define	ZFS_GET_NCOLS	5
628 
629 typedef enum {
630 	GET_COL_NONE,
631 	GET_COL_NAME,
632 	GET_COL_PROPERTY,
633 	GET_COL_VALUE,
634 	GET_COL_RECVD,
635 	GET_COL_SOURCE
636 } zfs_get_column_t;
637 
638 /*
639  * Functions for printing zfs or zpool properties
640  */
641 typedef struct vdev_cbdata {
642 	int cb_name_flags;
643 	char **cb_names;
644 	unsigned int cb_names_count;
645 } vdev_cbdata_t;
646 
647 typedef struct zprop_get_cbdata {
648 	int cb_sources;
649 	zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
650 	int cb_colwidths[ZFS_GET_NCOLS + 1];
651 	boolean_t cb_scripted;
652 	boolean_t cb_literal;
653 	boolean_t cb_first;
654 	zprop_list_t *cb_proplist;
655 	zfs_type_t cb_type;
656 	vdev_cbdata_t cb_vdevs;
657 } zprop_get_cbdata_t;
658 
659 #define	ZFS_SET_NOMOUNT		1
660 
661 typedef struct zprop_set_cbdata {
662 	int cb_flags;
663 	nvlist_t *cb_proplist;
664 } zprop_set_cbdata_t;
665 
666 _LIBZFS_H void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
667     const char *, const char *, zprop_source_t, const char *,
668     const char *);
669 
670 /*
671  * Iterator functions.
672  */
673 #define	ZFS_ITER_RECURSE		(1 << 0)
674 #define	ZFS_ITER_ARGS_CAN_BE_PATHS	(1 << 1)
675 #define	ZFS_ITER_PROP_LISTSNAPS		(1 << 2)
676 #define	ZFS_ITER_DEPTH_LIMIT		(1 << 3)
677 #define	ZFS_ITER_RECVD_PROPS		(1 << 4)
678 #define	ZFS_ITER_LITERAL_PROPS		(1 << 5)
679 #define	ZFS_ITER_SIMPLE			(1 << 6)
680 
681 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
682 _LIBZFS_H int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
683 _LIBZFS_H int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
684 _LIBZFS_H int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f,
685     void *);
686 _LIBZFS_H int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
687 _LIBZFS_H int zfs_iter_snapshots(zfs_handle_t *, boolean_t, zfs_iter_f, void *,
688     uint64_t, uint64_t);
689 _LIBZFS_H int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *,
690     uint64_t, uint64_t);
691 _LIBZFS_H int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f,
692     void *);
693 _LIBZFS_H int zfs_iter_bookmarks(zfs_handle_t *, zfs_iter_f, void *);
694 
695 _LIBZFS_H int zfs_iter_children_v2(zfs_handle_t *, int, zfs_iter_f, void *);
696 _LIBZFS_H int zfs_iter_dependents_v2(zfs_handle_t *, int, boolean_t, zfs_iter_f,
697     void *);
698 _LIBZFS_H int zfs_iter_filesystems_v2(zfs_handle_t *, int, zfs_iter_f, void *);
699 _LIBZFS_H int zfs_iter_snapshots_v2(zfs_handle_t *, int, zfs_iter_f, void *,
700     uint64_t, uint64_t);
701 _LIBZFS_H int zfs_iter_snapshots_sorted_v2(zfs_handle_t *, int, zfs_iter_f,
702     void *, uint64_t, uint64_t);
703 _LIBZFS_H int zfs_iter_snapspec_v2(zfs_handle_t *, int, const char *,
704     zfs_iter_f, void *);
705 _LIBZFS_H int zfs_iter_bookmarks_v2(zfs_handle_t *, int, zfs_iter_f, void *);
706 _LIBZFS_H int zfs_iter_mounted(zfs_handle_t *, zfs_iter_f, void *);
707 
708 typedef struct get_all_cb {
709 	zfs_handle_t	**cb_handles;
710 	size_t		cb_alloc;
711 	size_t		cb_used;
712 } get_all_cb_t;
713 
714 _LIBZFS_H void zfs_foreach_mountpoint(libzfs_handle_t *, zfs_handle_t **,
715     size_t, zfs_iter_f, void *, boolean_t);
716 _LIBZFS_H void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
717 
718 /*
719  * Functions to create and destroy datasets.
720  */
721 _LIBZFS_H int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
722     nvlist_t *);
723 _LIBZFS_H int zfs_create_ancestors(libzfs_handle_t *, const char *);
724 _LIBZFS_H int zfs_destroy(zfs_handle_t *, boolean_t);
725 _LIBZFS_H int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
726 _LIBZFS_H int zfs_destroy_snaps_nvl(libzfs_handle_t *, nvlist_t *, boolean_t);
727 _LIBZFS_H int zfs_destroy_snaps_nvl_os(libzfs_handle_t *, nvlist_t *);
728 _LIBZFS_H int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
729 _LIBZFS_H int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t,
730     nvlist_t *);
731 _LIBZFS_H int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
732     nvlist_t *props);
733 _LIBZFS_H int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
734 
735 typedef struct renameflags {
736 	/* recursive rename */
737 	unsigned int recursive : 1;
738 
739 	/* don't unmount file systems */
740 	unsigned int nounmount : 1;
741 
742 	/* force unmount file systems */
743 	unsigned int forceunmount : 1;
744 } renameflags_t;
745 
746 _LIBZFS_H int zfs_rename(zfs_handle_t *, const char *, renameflags_t);
747 
748 typedef struct sendflags {
749 	/* Amount of extra information to print. */
750 	int verbosity;
751 
752 	/* recursive send  (ie, -R) */
753 	boolean_t replicate;
754 
755 	/* for recursive send, skip sending missing snapshots */
756 	boolean_t skipmissing;
757 
758 	/* for incrementals, do all intermediate snapshots */
759 	boolean_t doall;
760 
761 	/* if dataset is a clone, do incremental from its origin */
762 	boolean_t fromorigin;
763 
764 	/* field no longer used, maintained for backwards compatibility */
765 	boolean_t pad;
766 
767 	/* send properties (ie, -p) */
768 	boolean_t props;
769 
770 	/* do not send (no-op, ie. -n) */
771 	boolean_t dryrun;
772 
773 	/* parsable verbose output (ie. -P) */
774 	boolean_t parsable;
775 
776 	/* show progress (ie. -v) */
777 	boolean_t progress;
778 
779 	/* show progress as process title (ie. -V) */
780 	boolean_t progressastitle;
781 
782 	/* large blocks (>128K) are permitted */
783 	boolean_t largeblock;
784 
785 	/* WRITE_EMBEDDED records of type DATA are permitted */
786 	boolean_t embed_data;
787 
788 	/* compressed WRITE records are permitted */
789 	boolean_t compress;
790 
791 	/* raw encrypted records are permitted */
792 	boolean_t raw;
793 
794 	/* only send received properties (ie. -b) */
795 	boolean_t backup;
796 
797 	/* include snapshot holds in send stream */
798 	boolean_t holds;
799 
800 	/* stream represents a partially received dataset */
801 	boolean_t saved;
802 } sendflags_t;
803 
804 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
805 
806 _LIBZFS_H int zfs_send(zfs_handle_t *, const char *, const char *,
807     sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
808 _LIBZFS_H int zfs_send_one(zfs_handle_t *, const char *, int, sendflags_t *,
809     const char *);
810 _LIBZFS_H int zfs_send_progress(zfs_handle_t *, int, uint64_t *, uint64_t *);
811 _LIBZFS_H int zfs_send_resume(libzfs_handle_t *, sendflags_t *, int outfd,
812     const char *);
813 _LIBZFS_H int zfs_send_saved(zfs_handle_t *, sendflags_t *, int, const char *);
814 _LIBZFS_H nvlist_t *zfs_send_resume_token_to_nvlist(libzfs_handle_t *hdl,
815     const char *token);
816 
817 _LIBZFS_H int zfs_promote(zfs_handle_t *);
818 _LIBZFS_H int zfs_hold(zfs_handle_t *, const char *, const char *,
819     boolean_t, int);
820 _LIBZFS_H int zfs_hold_nvl(zfs_handle_t *, int, nvlist_t *);
821 _LIBZFS_H int zfs_release(zfs_handle_t *, const char *, const char *,
822     boolean_t);
823 _LIBZFS_H int zfs_get_holds(zfs_handle_t *, nvlist_t **);
824 _LIBZFS_H uint64_t zvol_volsize_to_reservation(zpool_handle_t *, uint64_t,
825     nvlist_t *);
826 
827 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
828     uid_t rid, uint64_t space);
829 
830 _LIBZFS_H int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
831     zfs_userspace_cb_t, void *);
832 
833 _LIBZFS_H int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
834 _LIBZFS_H int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
835 
836 typedef struct recvflags {
837 	/* print informational messages (ie, -v was specified) */
838 	boolean_t verbose;
839 
840 	/* the destination is a prefix, not the exact fs (ie, -d) */
841 	boolean_t isprefix;
842 
843 	/*
844 	 * Only the tail of the sent snapshot path is appended to the
845 	 * destination to determine the received snapshot name (ie, -e).
846 	 */
847 	boolean_t istail;
848 
849 	/* do not actually do the recv, just check if it would work (ie, -n) */
850 	boolean_t dryrun;
851 
852 	/* rollback/destroy filesystems as necessary (eg, -F) */
853 	boolean_t force;
854 
855 	/* set "canmount=off" on all modified filesystems */
856 	boolean_t canmountoff;
857 
858 	/*
859 	 * Mark the file systems as "resumable" and do not destroy them if the
860 	 * receive is interrupted
861 	 */
862 	boolean_t resumable;
863 
864 	/* byteswap flag is used internally; callers need not specify */
865 	boolean_t byteswap;
866 
867 	/* do not mount file systems as they are extracted (private) */
868 	boolean_t nomount;
869 
870 	/* Was holds flag set in the compound header? */
871 	boolean_t holds;
872 
873 	/* skip receive of snapshot holds */
874 	boolean_t skipholds;
875 
876 	/* mount the filesystem unless nomount is specified */
877 	boolean_t domount;
878 
879 	/* force unmount while recv snapshot (private) */
880 	boolean_t forceunmount;
881 
882 	/* use this recv to check (and heal if needed) an existing snapshot */
883 	boolean_t heal;
884 } recvflags_t;
885 
886 _LIBZFS_H int zfs_receive(libzfs_handle_t *, const char *, nvlist_t *,
887     recvflags_t *, int, avl_tree_t *);
888 
889 typedef enum diff_flags {
890 	ZFS_DIFF_PARSEABLE = 1 << 0,
891 	ZFS_DIFF_TIMESTAMP = 1 << 1,
892 	ZFS_DIFF_CLASSIFY = 1 << 2,
893 	ZFS_DIFF_NO_MANGLE = 1 << 3
894 } diff_flags_t;
895 
896 _LIBZFS_H int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
897     int);
898 
899 /*
900  * Miscellaneous functions.
901  */
902 _LIBZFS_H const char *zfs_type_to_name(zfs_type_t);
903 _LIBZFS_H void zfs_refresh_properties(zfs_handle_t *);
904 _LIBZFS_H int zfs_name_valid(const char *, zfs_type_t);
905 _LIBZFS_H zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, const char *,
906     zfs_type_t);
907 _LIBZFS_H int zfs_parent_name(zfs_handle_t *, char *, size_t);
908 _LIBZFS_H boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
909     zfs_type_t);
910 _LIBZFS_H int zfs_spa_version(zfs_handle_t *, int *);
911 _LIBZFS_H boolean_t zfs_bookmark_exists(const char *path);
912 
913 /*
914  * Mount support functions.
915  */
916 _LIBZFS_H boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
917 _LIBZFS_H boolean_t zfs_is_mounted(zfs_handle_t *, char **);
918 _LIBZFS_H int zfs_mount(zfs_handle_t *, const char *, int);
919 _LIBZFS_H int zfs_mount_at(zfs_handle_t *, const char *, int, const char *);
920 _LIBZFS_H int zfs_unmount(zfs_handle_t *, const char *, int);
921 _LIBZFS_H int zfs_unmountall(zfs_handle_t *, int);
922 _LIBZFS_H int zfs_mount_delegation_check(void);
923 
924 #if defined(__linux__) || defined(__APPLE__)
925 _LIBZFS_H int zfs_parse_mount_options(const char *mntopts,
926     unsigned long *mntflags, unsigned long *zfsflags, int sloppy, char *badopt,
927     char *mtabopt);
928 _LIBZFS_H void zfs_adjust_mount_options(zfs_handle_t *zhp, const char *mntpoint,
929     char *mntopts, char *mtabopt);
930 #endif
931 
932 /*
933  * Share support functions.
934  *
935  * enum sa_protocol * lists are terminated with SA_NO_PROTOCOL,
936  * NULL means "all/any known to this libzfs".
937  */
938 #define	SA_NO_PROTOCOL -1
939 
940 _LIBZFS_H boolean_t zfs_is_shared(zfs_handle_t *zhp, char **where,
941     const enum sa_protocol *proto);
942 _LIBZFS_H int zfs_share(zfs_handle_t *zhp, const enum sa_protocol *proto);
943 _LIBZFS_H int zfs_unshare(zfs_handle_t *zhp, const char *mountpoint,
944     const enum sa_protocol *proto);
945 _LIBZFS_H int zfs_unshareall(zfs_handle_t *zhp,
946     const enum sa_protocol *proto);
947 _LIBZFS_H void zfs_commit_shares(const enum sa_protocol *proto);
948 _LIBZFS_H void zfs_truncate_shares(const enum sa_protocol *proto);
949 
950 _LIBZFS_H int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
951 
952 /*
953  * Utility functions to run an external process.
954  */
955 #define	STDOUT_VERBOSE	0x01
956 #define	STDERR_VERBOSE	0x02
957 #define	NO_DEFAULT_PATH	0x04 /* Don't use $PATH to lookup the command */
958 
959 _LIBZFS_H int libzfs_run_process(const char *, char **, int);
960 _LIBZFS_H int libzfs_run_process_get_stdout(const char *, char *[], char *[],
961     char **[], int *);
962 _LIBZFS_H int libzfs_run_process_get_stdout_nopath(const char *, char *[],
963     char *[], char **[], int *);
964 
965 _LIBZFS_H void libzfs_free_str_array(char **, int);
966 
967 _LIBZFS_H boolean_t libzfs_envvar_is_set(const char *);
968 
969 /*
970  * Utility functions for zfs version
971  */
972 _LIBZFS_H const char *zfs_version_userland(void);
973 _LIBZFS_H char *zfs_version_kernel(void);
974 _LIBZFS_H int zfs_version_print(void);
975 
976 /*
977  * Given a device or file, determine if it is part of a pool.
978  */
979 _LIBZFS_H int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
980     boolean_t *);
981 
982 /*
983  * Label manipulation.
984  */
985 _LIBZFS_H int zpool_clear_label(int);
986 _LIBZFS_H int zpool_set_bootenv(zpool_handle_t *, const nvlist_t *);
987 _LIBZFS_H int zpool_get_bootenv(zpool_handle_t *, nvlist_t **);
988 
989 /*
990  * Management interfaces for SMB ACL files
991  */
992 
993 _LIBZFS_H int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
994 _LIBZFS_H int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
995 _LIBZFS_H int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
996 _LIBZFS_H int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *,
997     char *);
998 
999 /*
1000  * Enable and disable datasets within a pool by mounting/unmounting and
1001  * sharing/unsharing them.
1002  */
1003 _LIBZFS_H int zpool_enable_datasets(zpool_handle_t *, const char *, int);
1004 _LIBZFS_H int zpool_disable_datasets(zpool_handle_t *, boolean_t);
1005 _LIBZFS_H void zpool_disable_datasets_os(zpool_handle_t *, boolean_t);
1006 _LIBZFS_H void zpool_disable_volume_os(const char *);
1007 
1008 /*
1009  * Parse a features file for -o compatibility
1010  */
1011 typedef enum {
1012 	ZPOOL_COMPATIBILITY_OK,
1013 	ZPOOL_COMPATIBILITY_WARNTOKEN,
1014 	ZPOOL_COMPATIBILITY_BADTOKEN,
1015 	ZPOOL_COMPATIBILITY_BADFILE,
1016 	ZPOOL_COMPATIBILITY_NOFILES
1017 } zpool_compat_status_t;
1018 
1019 _LIBZFS_H zpool_compat_status_t zpool_load_compat(const char *,
1020     boolean_t *, char *, size_t);
1021 
1022 #ifdef __FreeBSD__
1023 
1024 /*
1025  * Attach/detach the given filesystem to/from the given jail.
1026  */
1027 _LIBZFS_H int zfs_jail(zfs_handle_t *zhp, int jailid, int attach);
1028 
1029 /*
1030  * Set loader options for next boot.
1031  */
1032 _LIBZFS_H int zpool_nextboot(libzfs_handle_t *, uint64_t, uint64_t,
1033     const char *);
1034 
1035 #endif /* __FreeBSD__ */
1036 
1037 #ifdef __linux__
1038 
1039 /*
1040  * Add or delete the given filesystem to/from the given user namespace.
1041  */
1042 _LIBZFS_H int zfs_userns(zfs_handle_t *zhp, const char *nspath, int attach);
1043 
1044 #endif
1045 
1046 #ifdef	__cplusplus
1047 }
1048 #endif
1049 
1050 #endif	/* _LIBZFS_H */
1051