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 2010 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2011 Pawel Jakub Dawidek <pawel@dawidek.net>.
26 * All rights reserved.
33 #include <libnvpair.h>
34 #include <sys/mnttab.h>
35 #include <sys/param.h>
36 #include <sys/types.h>
37 #include <sys/varargs.h>
38 #include <sys/fs/zfs.h>
40 #include <sys/zfs_ioctl.h>
47 * Miscellaneous ZFS constants
49 #define ZFS_MAXNAMELEN MAXNAMELEN
50 #define ZPOOL_MAXNAMELEN MAXNAMELEN
51 #define ZFS_MAXPROPLEN MAXPATHLEN
52 #define ZPOOL_MAXPROPLEN MAXPATHLEN
58 EZFS_NOMEM = 2000, /* out of memory */
59 EZFS_BADPROP, /* invalid property value */
60 EZFS_PROPREADONLY, /* cannot set readonly property */
61 EZFS_PROPTYPE, /* property does not apply to dataset type */
62 EZFS_PROPNONINHERIT, /* property is not inheritable */
63 EZFS_PROPSPACE, /* bad quota or reservation */
64 EZFS_BADTYPE, /* dataset is not of appropriate type */
65 EZFS_BUSY, /* pool or dataset is busy */
66 EZFS_EXISTS, /* pool or dataset already exists */
67 EZFS_NOENT, /* no such pool or dataset */
68 EZFS_BADSTREAM, /* bad backup stream */
69 EZFS_DSREADONLY, /* dataset is readonly */
70 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */
71 EZFS_INVALIDNAME, /* invalid dataset name */
72 EZFS_BADRESTORE, /* unable to restore to destination */
73 EZFS_BADBACKUP, /* backup failed */
74 EZFS_BADTARGET, /* bad attach/detach/replace target */
75 EZFS_NODEVICE, /* no such device in pool */
76 EZFS_BADDEV, /* invalid device to add */
77 EZFS_NOREPLICAS, /* no valid replicas */
78 EZFS_RESILVERING, /* currently resilvering */
79 EZFS_BADVERSION, /* unsupported version */
80 EZFS_POOLUNAVAIL, /* pool is currently unavailable */
81 EZFS_DEVOVERFLOW, /* too many devices in one vdev */
82 EZFS_BADPATH, /* must be an absolute path */
83 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */
84 EZFS_ZONED, /* used improperly in local zone */
85 EZFS_MOUNTFAILED, /* failed to mount dataset */
86 EZFS_UMOUNTFAILED, /* failed to unmount dataset */
87 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */
88 EZFS_SHARENFSFAILED, /* share(1M) failed */
89 EZFS_PERM, /* permission denied */
90 EZFS_NOSPC, /* out of space */
91 EZFS_FAULT, /* bad address */
92 EZFS_IO, /* I/O error */
93 EZFS_INTR, /* signal received */
94 EZFS_ISSPARE, /* device is a hot spare */
95 EZFS_INVALCONFIG, /* invalid vdev configuration */
96 EZFS_RECURSIVE, /* recursive dependency */
97 EZFS_NOHISTORY, /* no history object */
98 EZFS_POOLPROPS, /* couldn't retrieve pool props */
99 EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */
100 EZFS_POOL_INVALARG, /* invalid argument for this pool operation */
101 EZFS_NAMETOOLONG, /* dataset name is too long */
102 EZFS_OPENFAILED, /* open of device failed */
103 EZFS_NOCAP, /* couldn't get capacity */
104 EZFS_LABELFAILED, /* write of label failed */
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_UNSHARESMBFAILED, /* failed to unshare over smb */
110 EZFS_SHARESMBFAILED, /* failed to share over smb */
111 EZFS_BADCACHE, /* bad cache file */
112 EZFS_ISL2CACHE, /* device is for the level 2 ARC */
113 EZFS_VDEVNOTSUP, /* unsupported vdev type */
114 EZFS_NOTSUP, /* ops not supported on this dataset */
115 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */
116 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */
117 EZFS_REFTAG_RELE, /* snapshot release: tag not found */
118 EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */
119 EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */
120 EZFS_PIPEFAILED, /* pipe create failed */
121 EZFS_THREADCREATEFAILED, /* thread create failed */
122 EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */
123 EZFS_SCRUBBING, /* currently scrubbing */
124 EZFS_NO_SCRUB, /* no active scrub */
125 EZFS_DIFF, /* general failure of zfs diff */
126 EZFS_DIFFDATA, /* bad zfs diff data */
127 EZFS_POOLREADONLY, /* pool is in read-only mode */
132 * The following data structures are all part
133 * of the zfs_allow_t data structure which is
134 * used for printing 'allow' permissions.
135 * It is a linked list of zfs_allow_t's which
136 * then contain avl tree's for user/group/sets/...
137 * and each one of the entries in those trees have
138 * avl tree's for the permissions they belong to and
139 * whether they are local,descendent or local+descendent
140 * permissions. The AVL trees are used primarily for
141 * sorting purposes, but also so that we can quickly find
142 * a given user and or permission.
144 typedef struct zfs_perm_node {
146 char z_pname[MAXPATHLEN];
149 typedef struct zfs_allow_node {
151 char z_key[MAXPATHLEN]; /* name, such as joe */
152 avl_tree_t z_localdescend; /* local+descendent perms */
153 avl_tree_t z_local; /* local permissions */
154 avl_tree_t z_descend; /* descendent permissions */
157 typedef struct zfs_allow {
158 struct zfs_allow *z_next;
159 char z_setpoint[MAXPATHLEN];
161 avl_tree_t z_crperms;
164 avl_tree_t z_everyone;
170 typedef struct zfs_handle zfs_handle_t;
171 typedef struct zpool_handle zpool_handle_t;
172 typedef struct libzfs_handle libzfs_handle_t;
175 * Library initialization
177 extern libzfs_handle_t *libzfs_init(void);
178 extern void libzfs_fini(libzfs_handle_t *);
180 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
181 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
183 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
185 extern int libzfs_errno(libzfs_handle_t *);
186 extern const char *libzfs_error_action(libzfs_handle_t *);
187 extern const char *libzfs_error_description(libzfs_handle_t *);
188 extern void libzfs_mnttab_init(libzfs_handle_t *);
189 extern void libzfs_mnttab_fini(libzfs_handle_t *);
190 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
191 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
193 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
194 const char *, const char *);
195 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
198 * Basic handle functions
200 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
201 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
202 extern void zpool_close(zpool_handle_t *);
203 extern const char *zpool_get_name(zpool_handle_t *);
204 extern int zpool_get_state(zpool_handle_t *);
205 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
206 extern void zpool_free_handles(libzfs_handle_t *);
209 * Iterate over all active pools in the system.
211 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
212 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
215 * Functions to create and destroy pools
217 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
218 nvlist_t *, nvlist_t *);
219 extern int zpool_destroy(zpool_handle_t *);
220 extern int zpool_add(zpool_handle_t *, nvlist_t *);
222 typedef struct splitflags {
223 /* do not split, but return the config that would be split off */
226 /* after splitting, import the pool */
231 * Functions to manipulate pool and vdev state
233 extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
234 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
236 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
238 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
239 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
240 const char *, nvlist_t *, int);
241 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
242 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
243 extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
246 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
247 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
248 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
250 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
251 boolean_t *, boolean_t *);
252 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
253 boolean_t *, boolean_t *, boolean_t *);
254 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
257 * Functions to manage pool properties
259 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
260 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
261 size_t proplen, zprop_source_t *);
262 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
265 extern const char *zpool_prop_to_name(zpool_prop_t);
266 extern const char *zpool_prop_values(zpool_prop_t);
269 * Pool health statistics.
273 * The following correspond to faults as defined in the (fault.fs.zfs.*)
274 * event namespace. Each is associated with a corresponding message ID.
276 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */
277 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */
278 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */
279 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */
280 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */
281 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */
282 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */
283 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */
284 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
285 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
286 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
287 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
288 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
289 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
292 * These faults have no corresponding message ID. At the time we are
293 * checking the status, the original reason for the FMA fault (I/O or
294 * checksum errors) has been lost.
296 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */
297 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */
300 * The following are not faults per se, but still an error possibly
301 * requiring administrative attention. There is no corresponding
304 ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */
305 ZPOOL_STATUS_RESILVERING, /* device being resilvered */
306 ZPOOL_STATUS_OFFLINE_DEV, /* device online */
307 ZPOOL_STATUS_REMOVED_DEV, /* removed device */
310 * Finally, the following indicates a healthy pool.
315 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
316 extern zpool_status_t zpool_import_status(nvlist_t *, char **);
317 extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
320 * Statistics and configuration functions.
322 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
323 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
324 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
327 * Import and export functions
329 extern int zpool_export(zpool_handle_t *, boolean_t);
330 extern int zpool_export_force(zpool_handle_t *);
331 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
333 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
337 * Search for pools to import
340 typedef struct importargs {
341 char **path; /* a list of paths to search */
342 int paths; /* number of paths to search */
343 char *poolname; /* name of a pool to find */
344 uint64_t guid; /* guid of a pool to find */
345 char *cachefile; /* cachefile to use for import */
346 int can_be_active : 1; /* can the pool be active? */
347 int unique : 1; /* does 'poolname' already exist? */
348 int exists : 1; /* set on return if pool already exists */
351 extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
353 /* legacy pool search routines */
354 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
355 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
359 * Miscellaneous pool functions
363 extern const char *zfs_history_event_names[LOG_END];
365 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
367 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
368 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
369 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
370 nvlist_t ***, uint_t *);
371 extern void zpool_set_history_str(const char *subcommand, int argc,
372 char **argv, char *history_str);
373 extern int zpool_stage_history(libzfs_handle_t *, const char *);
374 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
376 extern int zfs_ioctl(libzfs_handle_t *, unsigned long, struct zfs_cmd *);
377 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
378 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
382 * Basic handle manipulations. These functions do not create or destroy the
383 * underlying datasets, only the references to them.
385 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
386 extern void zfs_close(zfs_handle_t *);
387 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
388 extern const char *zfs_get_name(const zfs_handle_t *);
389 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
392 * Property management functions. Some functions are shared with the kernel,
393 * and are found in sys/fs/zfs.h.
397 * zfs dataset property management
399 extern const char *zfs_prop_default_string(zfs_prop_t);
400 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
401 extern const char *zfs_prop_column_name(zfs_prop_t);
402 extern boolean_t zfs_prop_align_right(zfs_prop_t);
404 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
405 nvlist_t *, uint64_t, zfs_handle_t *, const char *);
407 extern const char *zfs_prop_to_name(zfs_prop_t);
408 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
409 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
410 zprop_source_t *, char *, size_t, boolean_t);
411 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
413 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
414 zprop_source_t *, char *, size_t);
415 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
416 uint64_t *propvalue);
417 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
418 char *propbuf, int proplen, boolean_t literal);
419 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
420 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
421 extern const char *zfs_prop_values(zfs_prop_t);
422 extern int zfs_prop_is_string(zfs_prop_t prop);
423 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
424 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
426 typedef struct zprop_list {
429 struct zprop_list *pl_next;
432 size_t pl_recvd_width;
436 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
437 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
439 #define ZFS_MOUNTPOINT_NONE "none"
440 #define ZFS_MOUNTPOINT_LEGACY "legacy"
443 * zpool property management
445 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
446 extern const char *zpool_prop_default_string(zpool_prop_t);
447 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
448 extern const char *zpool_prop_column_name(zpool_prop_t);
449 extern boolean_t zpool_prop_align_right(zpool_prop_t);
452 * Functions shared by zfs and zpool property management.
454 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
455 boolean_t ordered, zfs_type_t type);
456 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
458 extern void zprop_free_list(zprop_list_t *);
460 #define ZFS_GET_NCOLS 5
472 * Functions for printing zfs or zpool properties
474 typedef struct zprop_get_cbdata {
476 zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
477 int cb_colwidths[ZFS_GET_NCOLS + 1];
478 boolean_t cb_scripted;
479 boolean_t cb_literal;
481 zprop_list_t *cb_proplist;
483 } zprop_get_cbdata_t;
485 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
486 const char *, const char *, zprop_source_t, const char *,
490 * Iterator functions.
492 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
493 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
494 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
495 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
496 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
497 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *);
498 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
500 typedef struct get_all_cb {
501 zfs_handle_t **cb_handles;
504 boolean_t cb_verbose;
505 int (*cb_getone)(zfs_handle_t *, void *);
508 void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
509 int libzfs_dataset_cmp(const void *, const void *);
512 * Functions to create and destroy datasets.
514 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
516 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
517 extern int zfs_destroy(zfs_handle_t *, boolean_t);
518 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
519 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
520 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
521 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
523 typedef struct renameflags {
524 /* recursive rename */
527 /* don't unmount file systems */
531 extern int zfs_rename(zfs_handle_t *, const char *, renameflags_t flags);
533 typedef struct sendflags {
534 /* print informational messages (ie, -v was specified) */
537 /* recursive send (ie, -R) */
540 /* for incrementals, do all intermediate snapshots */
541 int doall : 1; /* (ie, -I) */
543 /* if dataset is a clone, do incremental from its origin */
546 /* do deduplication */
549 /* send properties (ie, -p) */
553 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
555 extern int zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap,
556 sendflags_t flags, int outfd, snapfilter_cb_t filter_func,
557 void *cb_arg, nvlist_t **debugnvp);
559 extern int zfs_promote(zfs_handle_t *);
560 extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t,
561 boolean_t, boolean_t, int, uint64_t, uint64_t);
562 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
563 extern int zfs_get_holds(zfs_handle_t *, nvlist_t **);
564 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
566 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
567 uid_t rid, uint64_t space);
569 extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
570 zfs_userspace_cb_t, void *);
572 extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
573 extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
575 typedef struct recvflags {
576 /* print informational messages (ie, -v was specified) */
579 /* the destination is a prefix, not the exact fs (ie, -d) */
583 * Only the tail of the sent snapshot path is appended to the
584 * destination to determine the received snapshot name (ie, -e).
588 /* do not actually do the recv, just check if it would work (ie, -n) */
591 /* rollback/destroy filesystems as necessary (eg, -F) */
594 /* set "canmount=off" on all modified filesystems */
597 /* byteswap flag is used internally; callers need not specify */
600 /* do not mount file systems as they are extracted (private) */
604 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t,
607 typedef enum diff_flags {
608 ZFS_DIFF_PARSEABLE = 0x1,
609 ZFS_DIFF_TIMESTAMP = 0x2,
610 ZFS_DIFF_CLASSIFY = 0x4
613 extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
617 * Miscellaneous functions.
619 extern const char *zfs_type_to_name(zfs_type_t);
620 extern void zfs_refresh_properties(zfs_handle_t *);
621 extern int zfs_name_valid(const char *, zfs_type_t);
622 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
623 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
625 extern int zfs_spa_version(zfs_handle_t *, int *);
628 * Mount support functions.
630 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
631 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
632 extern int zfs_mount(zfs_handle_t *, const char *, int);
633 extern int zfs_unmount(zfs_handle_t *, const char *, int);
634 extern int zfs_unmountall(zfs_handle_t *, int);
637 * Share support functions.
639 extern boolean_t zfs_is_shared(zfs_handle_t *);
640 extern int zfs_share(zfs_handle_t *);
641 extern int zfs_unshare(zfs_handle_t *);
644 * Protocol-specific share support functions.
646 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
647 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
648 extern int zfs_share_nfs(zfs_handle_t *);
649 extern int zfs_share_smb(zfs_handle_t *);
650 extern int zfs_shareall(zfs_handle_t *);
651 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
652 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
653 extern int zfs_unshareall_nfs(zfs_handle_t *);
654 extern int zfs_unshareall_smb(zfs_handle_t *);
655 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
656 extern int zfs_unshareall(zfs_handle_t *);
657 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
658 void *, void *, int, zfs_share_op_t);
661 * FreeBSD-specific jail support function.
663 extern int zfs_jail(zfs_handle_t *, int, int);
666 * When dealing with nvlists, verify() is extremely useful
670 #define verify(EX) ((void)(EX))
672 #define verify(EX) assert(EX)
677 * Utility function to convert a number to a human-readable form.
679 extern void zfs_nicenum(uint64_t, char *, size_t);
680 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
683 * Given a device or file, determine if it is part of a pool.
685 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
689 * Label manipulation.
691 extern int zpool_read_label(int, nvlist_t **);
692 extern int zpool_clear_label(int);
694 /* is this zvol valid for use as a dump device? */
695 extern int zvol_check_dump_config(char *);
698 * Management interfaces for SMB ACL files
701 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
702 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
703 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
704 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
707 * Enable and disable datasets within a pool by mounting/unmounting and
708 * sharing/unsharing them.
710 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
711 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
714 * Mappings between vdev and FRU.
716 extern void libzfs_fru_refresh(libzfs_handle_t *);
717 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
718 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
719 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
721 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
722 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
725 extern int zmount(const char *, const char *, int, char *, char *, int, char *,
733 #endif /* _LIBZFS_H */