xref: /titanic_51/usr/src/lib/libzfs/common/libzfs.h (revision ccb7005ef6977381a53a7d84158466fafd4e7870)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #ifndef	_LIBZFS_H
28 #define	_LIBZFS_H
29 
30 #include <assert.h>
31 #include <libnvpair.h>
32 #include <sys/mnttab.h>
33 #include <sys/param.h>
34 #include <sys/types.h>
35 #include <sys/varargs.h>
36 #include <sys/fs/zfs.h>
37 #include <sys/avl.h>
38 #include <ucred.h>
39 
40 #ifdef	__cplusplus
41 extern "C" {
42 #endif
43 
44 /*
45  * Miscellaneous ZFS constants
46  */
47 #define	ZFS_MAXNAMELEN		MAXNAMELEN
48 #define	ZPOOL_MAXNAMELEN	MAXNAMELEN
49 #define	ZFS_MAXPROPLEN		MAXPATHLEN
50 #define	ZPOOL_MAXPROPLEN	MAXPATHLEN
51 
52 /*
53  * libzfs errors
54  */
55 enum {
56 	EZFS_NOMEM = 2000,	/* out of memory */
57 	EZFS_BADPROP,		/* invalid property value */
58 	EZFS_PROPREADONLY,	/* cannot set readonly property */
59 	EZFS_PROPTYPE,		/* property does not apply to dataset type */
60 	EZFS_PROPNONINHERIT,	/* property is not inheritable */
61 	EZFS_PROPSPACE,		/* bad quota or reservation */
62 	EZFS_BADTYPE,		/* dataset is not of appropriate type */
63 	EZFS_BUSY,		/* pool or dataset is busy */
64 	EZFS_EXISTS,		/* pool or dataset already exists */
65 	EZFS_NOENT,		/* no such pool or dataset */
66 	EZFS_BADSTREAM,		/* bad backup stream */
67 	EZFS_DSREADONLY,	/* dataset is readonly */
68 	EZFS_VOLTOOBIG,		/* volume is too large for 32-bit system */
69 	EZFS_INVALIDNAME,	/* invalid dataset name */
70 	EZFS_BADRESTORE,	/* unable to restore to destination */
71 	EZFS_BADBACKUP,		/* backup failed */
72 	EZFS_BADTARGET,		/* bad attach/detach/replace target */
73 	EZFS_NODEVICE,		/* no such device in pool */
74 	EZFS_BADDEV,		/* invalid device to add */
75 	EZFS_NOREPLICAS,	/* no valid replicas */
76 	EZFS_RESILVERING,	/* currently resilvering */
77 	EZFS_BADVERSION,	/* unsupported version */
78 	EZFS_POOLUNAVAIL,	/* pool is currently unavailable */
79 	EZFS_DEVOVERFLOW,	/* too many devices in one vdev */
80 	EZFS_BADPATH,		/* must be an absolute path */
81 	EZFS_CROSSTARGET,	/* rename or clone across pool or dataset */
82 	EZFS_ZONED,		/* used improperly in local zone */
83 	EZFS_MOUNTFAILED,	/* failed to mount dataset */
84 	EZFS_UMOUNTFAILED,	/* failed to unmount dataset */
85 	EZFS_UNSHARENFSFAILED,	/* unshare(1M) failed */
86 	EZFS_SHARENFSFAILED,	/* share(1M) failed */
87 	EZFS_PERM,		/* permission denied */
88 	EZFS_NOSPC,		/* out of space */
89 	EZFS_IO,		/* I/O error */
90 	EZFS_INTR,		/* signal received */
91 	EZFS_ISSPARE,		/* device is a hot spare */
92 	EZFS_INVALCONFIG,	/* invalid vdev configuration */
93 	EZFS_RECURSIVE,		/* recursive dependency */
94 	EZFS_NOHISTORY,		/* no history object */
95 	EZFS_UNSHAREISCSIFAILED, /* iscsitgtd failed request to unshare */
96 	EZFS_SHAREISCSIFAILED,	/* iscsitgtd failed request to share */
97 	EZFS_POOLPROPS,		/* couldn't retrieve pool props */
98 	EZFS_POOL_NOTSUP,	/* ops not supported for this type of pool */
99 	EZFS_POOL_INVALARG,	/* invalid argument for this pool operation */
100 	EZFS_NAMETOOLONG,	/* dataset name is too long */
101 	EZFS_OPENFAILED,	/* open of device failed */
102 	EZFS_NOCAP,		/* couldn't get capacity */
103 	EZFS_LABELFAILED,	/* write of label failed */
104 	EZFS_ISCSISVCUNAVAIL,	/* iscsi service unavailable */
105 	EZFS_BADWHO,		/* invalid permission who */
106 	EZFS_BADPERM,		/* invalid permission */
107 	EZFS_BADPERMSET,	/* invalid permission set name */
108 	EZFS_NODELEGATION,	/* delegated administration is disabled */
109 	EZFS_PERMRDONLY,	/* pemissions are readonly */
110 	EZFS_UNSHARESMBFAILED,	/* failed to unshare over smb */
111 	EZFS_SHARESMBFAILED,	/* failed to share over smb */
112 	EZFS_BADCACHE,		/* bad cache file */
113 	EZFS_ISL2CACHE,		/* device is for the level 2 ARC */
114 	EZFS_VDEVNOTSUP,	/* unsupported vdev type */
115 	EZFS_NOTSUP,		/* ops not supported on this dataset */
116 	EZFS_ACTIVE_SPARE,	/* pool has active shared spare devices */
117 	EZFS_UNPLAYED_LOGS,	/* log device has unplayed logs */
118 	EZFS_REFTAG_RELE,	/* snapshot release: tag not found */
119 	EZFS_REFTAG_HOLD,	/* snapshot hold: tag already exists */
120 	EZFS_TAGTOOLONG,	/* snapshot hold/rele: tag too long */
121 	EZFS_PIPEFAILED,	/* pipe create failed */
122 	EZFS_THREADCREATEFAILED, /* thread create failed */
123 	EZFS_UNKNOWN
124 };
125 
126 /*
127  * The following data structures are all part
128  * of the zfs_allow_t data structure which is
129  * used for printing 'allow' permissions.
130  * It is a linked list of zfs_allow_t's which
131  * then contain avl tree's for user/group/sets/...
132  * and each one of the entries in those trees have
133  * avl tree's for the permissions they belong to and
134  * whether they are local,descendent or local+descendent
135  * permissions.  The AVL trees are used primarily for
136  * sorting purposes, but also so that we can quickly find
137  * a given user and or permission.
138  */
139 typedef struct zfs_perm_node {
140 	avl_node_t z_node;
141 	char z_pname[MAXPATHLEN];
142 } zfs_perm_node_t;
143 
144 typedef struct zfs_allow_node {
145 	avl_node_t z_node;
146 	char z_key[MAXPATHLEN];		/* name, such as joe */
147 	avl_tree_t z_localdescend;	/* local+descendent perms */
148 	avl_tree_t z_local;		/* local permissions */
149 	avl_tree_t z_descend;		/* descendent permissions */
150 } zfs_allow_node_t;
151 
152 typedef struct zfs_allow {
153 	struct zfs_allow *z_next;
154 	char z_setpoint[MAXPATHLEN];
155 	avl_tree_t z_sets;
156 	avl_tree_t z_crperms;
157 	avl_tree_t z_user;
158 	avl_tree_t z_group;
159 	avl_tree_t z_everyone;
160 } zfs_allow_t;
161 
162 /*
163  * Basic handle types
164  */
165 typedef struct zfs_handle zfs_handle_t;
166 typedef struct zpool_handle zpool_handle_t;
167 typedef struct libzfs_handle libzfs_handle_t;
168 
169 /*
170  * Library initialization
171  */
172 extern libzfs_handle_t *libzfs_init(void);
173 extern void libzfs_fini(libzfs_handle_t *);
174 
175 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
176 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
177 
178 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
179 
180 extern int libzfs_errno(libzfs_handle_t *);
181 extern const char *libzfs_error_action(libzfs_handle_t *);
182 extern const char *libzfs_error_description(libzfs_handle_t *);
183 extern void libzfs_mnttab_init(libzfs_handle_t *);
184 extern void libzfs_mnttab_fini(libzfs_handle_t *);
185 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
186 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
187     struct mnttab *);
188 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
189     const char *, const char *);
190 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
191 
192 /*
193  * Basic handle functions
194  */
195 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
196 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
197 extern void zpool_close(zpool_handle_t *);
198 extern const char *zpool_get_name(zpool_handle_t *);
199 extern int zpool_get_state(zpool_handle_t *);
200 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
201 extern void zpool_free_handles(libzfs_handle_t *);
202 
203 /*
204  * Iterate over all active pools in the system.
205  */
206 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
207 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
208 
209 /*
210  * Functions to create and destroy pools
211  */
212 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
213     nvlist_t *, nvlist_t *);
214 extern int zpool_destroy(zpool_handle_t *);
215 extern int zpool_add(zpool_handle_t *, nvlist_t *);
216 
217 /*
218  * Functions to manipulate pool and vdev state
219  */
220 extern int zpool_scrub(zpool_handle_t *, pool_scrub_type_t);
221 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
222 
223 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
224     vdev_state_t *);
225 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
226 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
227     const char *, nvlist_t *, int);
228 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
229 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
230 
231 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
232 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
233 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
234 
235 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
236     boolean_t *, boolean_t *);
237 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
238     boolean_t *, boolean_t *, boolean_t *);
239 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
240 
241 /*
242  * Functions to manage pool properties
243  */
244 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
245 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
246     size_t proplen, zprop_source_t *);
247 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
248     zprop_source_t *);
249 
250 extern const char *zpool_prop_to_name(zpool_prop_t);
251 extern const char *zpool_prop_values(zpool_prop_t);
252 
253 /*
254  * Pool health statistics.
255  */
256 typedef enum {
257 	/*
258 	 * The following correspond to faults as defined in the (fault.fs.zfs.*)
259 	 * event namespace.  Each is associated with a corresponding message ID.
260 	 */
261 	ZPOOL_STATUS_CORRUPT_CACHE,	/* corrupt /kernel/drv/zpool.cache */
262 	ZPOOL_STATUS_MISSING_DEV_R,	/* missing device with replicas */
263 	ZPOOL_STATUS_MISSING_DEV_NR,	/* missing device with no replicas */
264 	ZPOOL_STATUS_CORRUPT_LABEL_R,	/* bad device label with replicas */
265 	ZPOOL_STATUS_CORRUPT_LABEL_NR,	/* bad device label with no replicas */
266 	ZPOOL_STATUS_BAD_GUID_SUM,	/* sum of device guids didn't match */
267 	ZPOOL_STATUS_CORRUPT_POOL,	/* pool metadata is corrupted */
268 	ZPOOL_STATUS_CORRUPT_DATA,	/* data errors in user (meta)data */
269 	ZPOOL_STATUS_FAILING_DEV,	/* device experiencing errors */
270 	ZPOOL_STATUS_VERSION_NEWER,	/* newer on-disk version */
271 	ZPOOL_STATUS_HOSTID_MISMATCH,	/* last accessed by another system */
272 	ZPOOL_STATUS_IO_FAILURE_WAIT,	/* failed I/O, failmode 'wait' */
273 	ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
274 	ZPOOL_STATUS_BAD_LOG,		/* cannot read log chain(s) */
275 
276 	/*
277 	 * These faults have no corresponding message ID.  At the time we are
278 	 * checking the status, the original reason for the FMA fault (I/O or
279 	 * checksum errors) has been lost.
280 	 */
281 	ZPOOL_STATUS_FAULTED_DEV_R,	/* faulted device with replicas */
282 	ZPOOL_STATUS_FAULTED_DEV_NR,	/* faulted device with no replicas */
283 
284 	/*
285 	 * The following are not faults per se, but still an error possibly
286 	 * requiring administrative attention.  There is no corresponding
287 	 * message ID.
288 	 */
289 	ZPOOL_STATUS_VERSION_OLDER,	/* older on-disk version */
290 	ZPOOL_STATUS_RESILVERING,	/* device being resilvered */
291 	ZPOOL_STATUS_OFFLINE_DEV,	/* device online */
292 	ZPOOL_STATUS_REMOVED_DEV,	/* removed device */
293 
294 	/*
295 	 * Finally, the following indicates a healthy pool.
296 	 */
297 	ZPOOL_STATUS_OK
298 } zpool_status_t;
299 
300 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
301 extern zpool_status_t zpool_import_status(nvlist_t *, char **);
302 
303 /*
304  * Statistics and configuration functions.
305  */
306 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
307 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
308 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
309 
310 /*
311  * Import and export functions
312  */
313 extern int zpool_export(zpool_handle_t *, boolean_t);
314 extern int zpool_export_force(zpool_handle_t *);
315 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
316     char *altroot);
317 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
318     nvlist_t *, boolean_t);
319 
320 /*
321  * Search for pools to import
322  */
323 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
324 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
325     char *, uint64_t);
326 extern nvlist_t *zpool_find_import_byname(libzfs_handle_t *, int, char **,
327     char *);
328 extern nvlist_t *zpool_find_import_byguid(libzfs_handle_t *, int, char **,
329     uint64_t);
330 extern nvlist_t *zpool_find_import_activeok(libzfs_handle_t *, int, char **);
331 
332 /*
333  * Miscellaneous pool functions
334  */
335 struct zfs_cmd;
336 
337 extern const char *hist_event_table[LOG_END];
338 
339 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
340     boolean_t verbose);
341 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
342 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
343 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
344     nvlist_t ***, uint_t *);
345 extern void zpool_set_history_str(const char *subcommand, int argc,
346     char **argv, char *history_str);
347 extern int zpool_stage_history(libzfs_handle_t *, const char *);
348 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
349     size_t len);
350 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
351 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
352 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
353     nvlist_t *);
354 
355 /*
356  * Basic handle manipulations.  These functions do not create or destroy the
357  * underlying datasets, only the references to them.
358  */
359 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
360 extern void zfs_close(zfs_handle_t *);
361 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
362 extern const char *zfs_get_name(const zfs_handle_t *);
363 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
364 
365 /*
366  * Property management functions.  Some functions are shared with the kernel,
367  * and are found in sys/fs/zfs.h.
368  */
369 
370 /*
371  * zfs dataset property management
372  */
373 extern const char *zfs_prop_default_string(zfs_prop_t);
374 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
375 extern const char *zfs_prop_column_name(zfs_prop_t);
376 extern boolean_t zfs_prop_align_right(zfs_prop_t);
377 
378 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
379     nvlist_t *, uint64_t, zfs_handle_t *, const char *);
380 
381 extern const char *zfs_prop_to_name(zfs_prop_t);
382 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
383 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
384     zprop_source_t *, char *, size_t, boolean_t);
385 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
386     boolean_t);
387 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
388     zprop_source_t *, char *, size_t);
389 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
390     uint64_t *propvalue);
391 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
392     char *propbuf, int proplen, boolean_t literal);
393 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
394 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
395 extern const char *zfs_prop_values(zfs_prop_t);
396 extern int zfs_prop_is_string(zfs_prop_t prop);
397 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
398 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
399 
400 typedef struct zprop_list {
401 	int		pl_prop;
402 	char		*pl_user_prop;
403 	struct zprop_list *pl_next;
404 	boolean_t	pl_all;
405 	size_t		pl_width;
406 	size_t		pl_recvd_width;
407 	boolean_t	pl_fixed;
408 } zprop_list_t;
409 
410 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
411 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
412 
413 #define	ZFS_MOUNTPOINT_NONE	"none"
414 #define	ZFS_MOUNTPOINT_LEGACY	"legacy"
415 
416 /*
417  * zpool property management
418  */
419 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
420 extern const char *zpool_prop_default_string(zpool_prop_t);
421 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
422 extern const char *zpool_prop_column_name(zpool_prop_t);
423 extern boolean_t zpool_prop_align_right(zpool_prop_t);
424 
425 /*
426  * Functions shared by zfs and zpool property management.
427  */
428 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
429     boolean_t ordered, zfs_type_t type);
430 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
431     zfs_type_t);
432 extern void zprop_free_list(zprop_list_t *);
433 
434 #define	ZFS_GET_NCOLS	5
435 
436 typedef enum {
437 	GET_COL_NONE,
438 	GET_COL_NAME,
439 	GET_COL_PROPERTY,
440 	GET_COL_VALUE,
441 	GET_COL_RECVD,
442 	GET_COL_SOURCE
443 } zfs_get_column_t;
444 
445 /*
446  * Functions for printing zfs or zpool properties
447  */
448 typedef struct zprop_get_cbdata {
449 	int cb_sources;
450 	zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
451 	int cb_colwidths[ZFS_GET_NCOLS + 1];
452 	boolean_t cb_scripted;
453 	boolean_t cb_literal;
454 	boolean_t cb_first;
455 	zprop_list_t *cb_proplist;
456 	zfs_type_t cb_type;
457 } zprop_get_cbdata_t;
458 
459 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
460     const char *, const char *, zprop_source_t, const char *,
461     const char *);
462 
463 /*
464  * Iterator functions.
465  */
466 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
467 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
468 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
469 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
470 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
471 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *);
472 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
473 
474 /*
475  * Functions to create and destroy datasets.
476  */
477 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
478     nvlist_t *);
479 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
480 extern int zfs_destroy(zfs_handle_t *, boolean_t);
481 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
482 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
483 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
484 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
485 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t);
486 
487 typedef struct sendflags {
488 	/* print informational messages (ie, -v was specified) */
489 	int verbose : 1;
490 
491 	/* recursive send  (ie, -R) */
492 	int replicate : 1;
493 
494 	/* for incrementals, do all intermediate snapshots */
495 	int doall : 1; /* (ie, -I) */
496 
497 	/* if dataset is a clone, do incremental from its origin */
498 	int fromorigin : 1;
499 
500 	/* do deduplication */
501 	int dedup : 1;
502 
503 	/* send properties (ie, -p) */
504 	int props : 1;
505 } sendflags_t;
506 
507 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
508 
509 extern int zfs_send(zfs_handle_t *, const char *, const char *,
510     sendflags_t, int, snapfilter_cb_t, void *);
511 
512 extern int zfs_promote(zfs_handle_t *);
513 extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t,
514     boolean_t);
515 extern int zfs_hold_range(zfs_handle_t *, const char *, const char *,
516     const char *, boolean_t);
517 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
518 extern int zfs_release_range(zfs_handle_t *, const char *, const char *,
519     const char *);
520 
521 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
522     uid_t rid, uint64_t space);
523 
524 extern int zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type,
525     zfs_userspace_cb_t func, void *arg);
526 
527 typedef struct recvflags {
528 	/* print informational messages (ie, -v was specified) */
529 	int verbose : 1;
530 
531 	/* the destination is a prefix, not the exact fs (ie, -d) */
532 	int isprefix : 1;
533 
534 	/* do not actually do the recv, just check if it would work (ie, -n) */
535 	int dryrun : 1;
536 
537 	/* rollback/destroy filesystems as necessary (eg, -F) */
538 	int force : 1;
539 
540 	/* set "canmount=off" on all modified filesystems */
541 	int canmountoff : 1;
542 
543 	/* byteswap flag is used internally; callers need not specify */
544 	int byteswap : 1;
545 
546 	/* do not mount file systems as they are extracted (private) */
547 	int nomount : 1;
548 } recvflags_t;
549 
550 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t,
551     int, avl_tree_t *);
552 
553 /*
554  * Miscellaneous functions.
555  */
556 extern const char *zfs_type_to_name(zfs_type_t);
557 extern void zfs_refresh_properties(zfs_handle_t *);
558 extern int zfs_name_valid(const char *, zfs_type_t);
559 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
560 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
561     zfs_type_t);
562 extern int zfs_spa_version(zfs_handle_t *, int *);
563 
564 /*
565  * Mount support functions.
566  */
567 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
568 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
569 extern int zfs_mount(zfs_handle_t *, const char *, int);
570 extern int zfs_unmount(zfs_handle_t *, const char *, int);
571 extern int zfs_unmountall(zfs_handle_t *, int);
572 
573 /*
574  * Share support functions.
575  */
576 extern boolean_t zfs_is_shared(zfs_handle_t *);
577 extern int zfs_share(zfs_handle_t *);
578 extern int zfs_unshare(zfs_handle_t *);
579 
580 /*
581  * Protocol-specific share support functions.
582  */
583 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
584 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
585 extern int zfs_share_nfs(zfs_handle_t *);
586 extern int zfs_share_smb(zfs_handle_t *);
587 extern int zfs_shareall(zfs_handle_t *);
588 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
589 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
590 extern int zfs_unshareall_nfs(zfs_handle_t *);
591 extern int zfs_unshareall_smb(zfs_handle_t *);
592 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
593 extern int zfs_unshareall(zfs_handle_t *);
594 extern boolean_t zfs_is_shared_iscsi(zfs_handle_t *);
595 extern int zfs_share_iscsi(zfs_handle_t *);
596 extern int zfs_unshare_iscsi(zfs_handle_t *);
597 extern int zfs_iscsi_perm_check(libzfs_handle_t *, char *, ucred_t *);
598 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
599     void *, void *, int, zfs_share_op_t);
600 
601 /*
602  * When dealing with nvlists, verify() is extremely useful
603  */
604 #ifdef NDEBUG
605 #define	verify(EX)	((void)(EX))
606 #else
607 #define	verify(EX)	assert(EX)
608 #endif
609 
610 /*
611  * Utility function to convert a number to a human-readable form.
612  */
613 extern void zfs_nicenum(uint64_t, char *, size_t);
614 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
615 
616 /*
617  * Given a device or file, determine if it is part of a pool.
618  */
619 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
620     boolean_t *);
621 
622 /*
623  * Label manipulation.
624  */
625 extern int zpool_read_label(int, nvlist_t **);
626 extern int zpool_clear_label(int);
627 
628 /* is this zvol valid for use as a dump device? */
629 extern int zvol_check_dump_config(char *);
630 
631 /*
632  * Management interfaces for SMB ACL files
633  */
634 
635 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
636 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
637 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
638 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
639 
640 /*
641  * Enable and disable datasets within a pool by mounting/unmounting and
642  * sharing/unsharing them.
643  */
644 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
645 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
646 
647 /*
648  * Mappings between vdev and FRU.
649  */
650 extern void libzfs_fru_refresh(libzfs_handle_t *);
651 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
652 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
653 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
654     const char *);
655 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
656 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
657 
658 #ifdef	__cplusplus
659 }
660 #endif
661 
662 #endif	/* _LIBZFS_H */
663