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.
30 #include <libnvpair.h>
31 #include <sys/mnttab.h>
32 #include <sys/param.h>
33 #include <sys/types.h>
34 #include <sys/varargs.h>
35 #include <sys/fs/zfs.h>
44 * Miscellaneous ZFS constants
46 #define ZFS_MAXNAMELEN MAXNAMELEN
47 #define ZPOOL_MAXNAMELEN MAXNAMELEN
48 #define ZFS_MAXPROPLEN MAXPATHLEN
49 #define ZPOOL_MAXPROPLEN MAXPATHLEN
55 EZFS_NOMEM = 2000, /* out of memory */
56 EZFS_BADPROP, /* invalid property value */
57 EZFS_PROPREADONLY, /* cannot set readonly property */
58 EZFS_PROPTYPE, /* property does not apply to dataset type */
59 EZFS_PROPNONINHERIT, /* property is not inheritable */
60 EZFS_PROPSPACE, /* bad quota or reservation */
61 EZFS_BADTYPE, /* dataset is not of appropriate type */
62 EZFS_BUSY, /* pool or dataset is busy */
63 EZFS_EXISTS, /* pool or dataset already exists */
64 EZFS_NOENT, /* no such pool or dataset */
65 EZFS_BADSTREAM, /* bad backup stream */
66 EZFS_DSREADONLY, /* dataset is readonly */
67 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */
68 EZFS_INVALIDNAME, /* invalid dataset name */
69 EZFS_BADRESTORE, /* unable to restore to destination */
70 EZFS_BADBACKUP, /* backup failed */
71 EZFS_BADTARGET, /* bad attach/detach/replace target */
72 EZFS_NODEVICE, /* no such device in pool */
73 EZFS_BADDEV, /* invalid device to add */
74 EZFS_NOREPLICAS, /* no valid replicas */
75 EZFS_RESILVERING, /* currently resilvering */
76 EZFS_BADVERSION, /* unsupported version */
77 EZFS_POOLUNAVAIL, /* pool is currently unavailable */
78 EZFS_DEVOVERFLOW, /* too many devices in one vdev */
79 EZFS_BADPATH, /* must be an absolute path */
80 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */
81 EZFS_ZONED, /* used improperly in local zone */
82 EZFS_MOUNTFAILED, /* failed to mount dataset */
83 EZFS_UMOUNTFAILED, /* failed to unmount dataset */
84 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */
85 EZFS_SHARENFSFAILED, /* share(1M) failed */
86 EZFS_PERM, /* permission denied */
87 EZFS_NOSPC, /* out of space */
88 EZFS_FAULT, /* bad address */
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_POOLPROPS, /* couldn't retrieve pool props */
96 EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */
97 EZFS_POOL_INVALARG, /* invalid argument for this pool operation */
98 EZFS_NAMETOOLONG, /* dataset name is too long */
99 EZFS_OPENFAILED, /* open of device failed */
100 EZFS_NOCAP, /* couldn't get capacity */
101 EZFS_LABELFAILED, /* write of label failed */
102 EZFS_BADWHO, /* invalid permission who */
103 EZFS_BADPERM, /* invalid permission */
104 EZFS_BADPERMSET, /* invalid permission set name */
105 EZFS_NODELEGATION, /* delegated administration is disabled */
106 EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */
107 EZFS_SHARESMBFAILED, /* failed to share over smb */
108 EZFS_BADCACHE, /* bad cache file */
109 EZFS_ISL2CACHE, /* device is for the level 2 ARC */
110 EZFS_VDEVNOTSUP, /* unsupported vdev type */
111 EZFS_NOTSUP, /* ops not supported on this dataset */
112 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */
113 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */
114 EZFS_REFTAG_RELE, /* snapshot release: tag not found */
115 EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */
116 EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */
117 EZFS_PIPEFAILED, /* pipe create failed */
118 EZFS_THREADCREATEFAILED, /* thread create failed */
119 EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */
120 EZFS_SCRUBBING, /* currently scrubbing */
121 EZFS_NO_SCRUB, /* no active scrub */
122 EZFS_DIFF, /* general failure of zfs diff */
123 EZFS_DIFFDATA, /* bad zfs diff data */
124 EZFS_POOLREADONLY, /* pool is in read-only mode */
129 * The following data structures are all part
130 * of the zfs_allow_t data structure which is
131 * used for printing 'allow' permissions.
132 * It is a linked list of zfs_allow_t's which
133 * then contain avl tree's for user/group/sets/...
134 * and each one of the entries in those trees have
135 * avl tree's for the permissions they belong to and
136 * whether they are local,descendent or local+descendent
137 * permissions. The AVL trees are used primarily for
138 * sorting purposes, but also so that we can quickly find
139 * a given user and or permission.
141 typedef struct zfs_perm_node {
143 char z_pname[MAXPATHLEN];
146 typedef struct zfs_allow_node {
148 char z_key[MAXPATHLEN]; /* name, such as joe */
149 avl_tree_t z_localdescend; /* local+descendent perms */
150 avl_tree_t z_local; /* local permissions */
151 avl_tree_t z_descend; /* descendent permissions */
154 typedef struct zfs_allow {
155 struct zfs_allow *z_next;
156 char z_setpoint[MAXPATHLEN];
158 avl_tree_t z_crperms;
161 avl_tree_t z_everyone;
167 typedef struct zfs_handle zfs_handle_t;
168 typedef struct zpool_handle zpool_handle_t;
169 typedef struct libzfs_handle libzfs_handle_t;
172 * Library initialization
174 extern libzfs_handle_t *libzfs_init(void);
175 extern void libzfs_fini(libzfs_handle_t *);
177 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
178 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
180 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
182 extern int libzfs_errno(libzfs_handle_t *);
183 extern const char *libzfs_error_action(libzfs_handle_t *);
184 extern const char *libzfs_error_description(libzfs_handle_t *);
185 extern void libzfs_mnttab_init(libzfs_handle_t *);
186 extern void libzfs_mnttab_fini(libzfs_handle_t *);
187 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
188 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
190 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
191 const char *, const char *);
192 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
195 * Basic handle functions
197 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
198 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
199 extern void zpool_close(zpool_handle_t *);
200 extern const char *zpool_get_name(zpool_handle_t *);
201 extern int zpool_get_state(zpool_handle_t *);
202 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
203 extern void zpool_free_handles(libzfs_handle_t *);
206 * Iterate over all active pools in the system.
208 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
209 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
212 * Functions to create and destroy pools
214 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
215 nvlist_t *, nvlist_t *);
216 extern int zpool_destroy(zpool_handle_t *);
217 extern int zpool_add(zpool_handle_t *, nvlist_t *);
219 typedef struct splitflags {
220 /* do not split, but return the config that would be split off */
223 /* after splitting, import the pool */
228 * Functions to manipulate pool and vdev state
230 extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
231 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
233 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
235 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
236 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
237 const char *, nvlist_t *, int);
238 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
239 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
240 extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
243 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
244 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
245 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
247 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
248 boolean_t *, boolean_t *);
249 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
250 boolean_t *, boolean_t *, boolean_t *);
251 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
254 * Functions to manage pool properties
256 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
257 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
258 size_t proplen, zprop_source_t *);
259 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
262 extern const char *zpool_prop_to_name(zpool_prop_t);
263 extern const char *zpool_prop_values(zpool_prop_t);
266 * Pool health statistics.
270 * The following correspond to faults as defined in the (fault.fs.zfs.*)
271 * event namespace. Each is associated with a corresponding message ID.
273 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */
274 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */
275 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */
276 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */
277 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */
278 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */
279 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */
280 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */
281 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
282 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
283 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
284 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
285 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
286 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
289 * These faults have no corresponding message ID. At the time we are
290 * checking the status, the original reason for the FMA fault (I/O or
291 * checksum errors) has been lost.
293 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */
294 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */
297 * The following are not faults per se, but still an error possibly
298 * requiring administrative attention. There is no corresponding
301 ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */
302 ZPOOL_STATUS_RESILVERING, /* device being resilvered */
303 ZPOOL_STATUS_OFFLINE_DEV, /* device online */
304 ZPOOL_STATUS_REMOVED_DEV, /* removed device */
307 * Finally, the following indicates a healthy pool.
312 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
313 extern zpool_status_t zpool_import_status(nvlist_t *, char **);
314 extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
317 * Statistics and configuration functions.
319 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
320 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
321 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
324 * Import and export functions
326 extern int zpool_export(zpool_handle_t *, boolean_t);
327 extern int zpool_export_force(zpool_handle_t *);
328 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
330 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
334 * Search for pools to import
337 typedef struct importargs {
338 char **path; /* a list of paths to search */
339 int paths; /* number of paths to search */
340 char *poolname; /* name of a pool to find */
341 uint64_t guid; /* guid of a pool to find */
342 char *cachefile; /* cachefile to use for import */
343 int can_be_active : 1; /* can the pool be active? */
344 int unique : 1; /* does 'poolname' already exist? */
345 int exists : 1; /* set on return if pool already exists */
348 extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
350 /* legacy pool search routines */
351 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
352 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
356 * Miscellaneous pool functions
360 extern const char *zfs_history_event_names[LOG_END];
362 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
364 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
365 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
366 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
367 nvlist_t ***, uint_t *);
368 extern void zpool_set_history_str(const char *subcommand, int argc,
369 char **argv, char *history_str);
370 extern int zpool_stage_history(libzfs_handle_t *, const char *);
371 extern int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, int, int);
372 extern int zpool_events_clear(libzfs_handle_t *, int *);
373 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
375 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
376 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
377 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
381 * Basic handle manipulations. These functions do not create or destroy the
382 * underlying datasets, only the references to them.
384 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
385 extern void zfs_close(zfs_handle_t *);
386 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
387 extern const char *zfs_get_name(const zfs_handle_t *);
388 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
391 * Property management functions. Some functions are shared with the kernel,
392 * and are found in sys/fs/zfs.h.
396 * zfs dataset property management
398 extern const char *zfs_prop_default_string(zfs_prop_t);
399 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
400 extern const char *zfs_prop_column_name(zfs_prop_t);
401 extern boolean_t zfs_prop_align_right(zfs_prop_t);
403 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
404 nvlist_t *, uint64_t, zfs_handle_t *, const char *);
406 extern const char *zfs_prop_to_name(zfs_prop_t);
407 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
408 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
409 zprop_source_t *, char *, size_t, boolean_t);
410 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
412 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
413 zprop_source_t *, char *, size_t);
414 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
415 uint64_t *propvalue);
416 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
417 char *propbuf, int proplen, boolean_t literal);
418 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
419 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
420 extern const char *zfs_prop_values(zfs_prop_t);
421 extern int zfs_prop_is_string(zfs_prop_t prop);
422 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
423 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
425 typedef struct zprop_list {
428 struct zprop_list *pl_next;
431 size_t pl_recvd_width;
435 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
436 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
438 #define ZFS_MOUNTPOINT_NONE "none"
439 #define ZFS_MOUNTPOINT_LEGACY "legacy"
442 * zpool property management
444 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
445 extern const char *zpool_prop_default_string(zpool_prop_t);
446 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
447 extern const char *zpool_prop_column_name(zpool_prop_t);
448 extern boolean_t zpool_prop_align_right(zpool_prop_t);
451 * Functions shared by zfs and zpool property management.
453 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
454 boolean_t ordered, zfs_type_t type);
455 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
457 extern void zprop_free_list(zprop_list_t *);
459 #define ZFS_GET_NCOLS 5
471 * Functions for printing zfs or zpool properties
473 typedef struct zprop_get_cbdata {
475 zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
476 int cb_colwidths[ZFS_GET_NCOLS + 1];
477 boolean_t cb_scripted;
478 boolean_t cb_literal;
480 zprop_list_t *cb_proplist;
482 } zprop_get_cbdata_t;
484 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
485 const char *, const char *, zprop_source_t, const char *,
489 * Iterator functions.
491 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
492 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
493 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
494 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
495 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
496 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *);
497 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
499 typedef struct get_all_cb {
500 zfs_handle_t **cb_handles;
503 boolean_t cb_verbose;
504 int (*cb_getone)(zfs_handle_t *, void *);
507 void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
508 int libzfs_dataset_cmp(const void *, const void *);
511 * Functions to create and destroy datasets.
513 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
515 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
516 extern int zfs_destroy(zfs_handle_t *, boolean_t);
517 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
518 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
519 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
520 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
521 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t);
523 typedef struct sendflags {
524 /* print informational messages (ie, -v was specified) */
527 /* recursive send (ie, -R) */
530 /* for incrementals, do all intermediate snapshots */
531 int doall : 1; /* (ie, -I) */
533 /* if dataset is a clone, do incremental from its origin */
536 /* do deduplication */
539 /* send properties (ie, -p) */
543 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
545 extern int zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap,
546 sendflags_t flags, int outfd, snapfilter_cb_t filter_func,
547 void *cb_arg, nvlist_t **debugnvp);
549 extern int zfs_promote(zfs_handle_t *);
550 extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t,
551 boolean_t, boolean_t, int, uint64_t, uint64_t);
552 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
553 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
555 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
556 uid_t rid, uint64_t space);
558 extern int zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type,
559 zfs_userspace_cb_t func, void *arg);
561 typedef struct recvflags {
562 /* print informational messages (ie, -v was specified) */
565 /* the destination is a prefix, not the exact fs (ie, -d) */
569 * Only the tail of the sent snapshot path is appended to the
570 * destination to determine the received snapshot name (ie, -e).
574 /* do not actually do the recv, just check if it would work (ie, -n) */
577 /* rollback/destroy filesystems as necessary (eg, -F) */
580 /* set "canmount=off" on all modified filesystems */
583 /* byteswap flag is used internally; callers need not specify */
586 /* do not mount file systems as they are extracted (private) */
590 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t,
593 typedef enum diff_flags {
594 ZFS_DIFF_PARSEABLE = 0x1,
595 ZFS_DIFF_TIMESTAMP = 0x2,
596 ZFS_DIFF_CLASSIFY = 0x4
599 extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
603 * Miscellaneous functions.
605 extern const char *zfs_type_to_name(zfs_type_t);
606 extern void zfs_refresh_properties(zfs_handle_t *);
607 extern int zfs_name_valid(const char *, zfs_type_t);
608 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
609 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
611 extern int zfs_spa_version(zfs_handle_t *, int *);
614 * Mount support functions.
616 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
617 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
618 extern int zfs_mount(zfs_handle_t *, const char *, int);
619 extern int zfs_unmount(zfs_handle_t *, const char *, int);
620 extern int zfs_unmountall(zfs_handle_t *, int);
623 * Share support functions.
625 extern boolean_t zfs_is_shared(zfs_handle_t *);
626 extern int zfs_share(zfs_handle_t *);
627 extern int zfs_unshare(zfs_handle_t *);
630 * Protocol-specific share support functions.
632 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
633 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
634 extern int zfs_share_nfs(zfs_handle_t *);
635 extern int zfs_share_smb(zfs_handle_t *);
636 extern int zfs_shareall(zfs_handle_t *);
637 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
638 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
639 extern int zfs_unshareall_nfs(zfs_handle_t *);
640 extern int zfs_unshareall_smb(zfs_handle_t *);
641 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
642 extern int zfs_unshareall(zfs_handle_t *);
643 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
644 void *, void *, int, zfs_share_op_t);
647 * When dealing with nvlists, verify() is extremely useful
650 #define verify(EX) ((void)(EX))
652 #define verify(EX) assert(EX)
656 * Utility function to convert a number to a human-readable form.
658 extern void zfs_nicenum(uint64_t, char *, size_t);
659 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
662 * Given a device or file, determine if it is part of a pool.
664 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
668 * Label manipulation.
670 extern int zpool_read_label(int, nvlist_t **);
671 extern int zpool_clear_label(int);
673 /* is this zvol valid for use as a dump device? */
674 extern int zvol_check_dump_config(char *);
677 * Management interfaces for SMB ACL files
680 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
681 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
682 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
683 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
686 * Enable and disable datasets within a pool by mounting/unmounting and
687 * sharing/unsharing them.
689 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
690 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
693 * Mappings between vdev and FRU.
695 extern void libzfs_fru_refresh(libzfs_handle_t *);
696 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
697 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
698 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
700 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
701 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
707 #endif /* _LIBZFS_H */