4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
26 * Copyright (c) 2013 Steven Hartland. All rights reserved.
27 * Copyright 2013 Nexenta Systems, Inc. All rights reserved.
34 #include <libnvpair.h>
35 #include <sys/mnttab.h>
36 #include <sys/param.h>
37 #include <sys/types.h>
38 #include <sys/varargs.h>
39 #include <sys/fs/zfs.h>
48 * Miscellaneous ZFS constants
50 #define ZFS_MAXNAMELEN MAXNAMELEN
51 #define ZPOOL_MAXNAMELEN MAXNAMELEN
52 #define ZFS_MAXPROPLEN MAXPATHLEN
53 #define ZPOOL_MAXPROPLEN MAXPATHLEN
56 * Default device paths
58 #define DISK_ROOT "/dev"
59 #define UDISK_ROOT "/dev/disk"
62 * Default wait time for a device name to be created.
64 #define DISK_LABEL_WAIT (30 * 1000) /* 30 seconds */
66 #define DEFAULT_IMPORT_PATH_SIZE 7
67 extern char *zpool_default_import_path[DEFAULT_IMPORT_PATH_SIZE];
72 typedef enum zfs_error {
73 EZFS_SUCCESS = 0, /* no error -- success */
74 EZFS_NOMEM = 2000, /* out of memory */
75 EZFS_BADPROP, /* invalid property value */
76 EZFS_PROPREADONLY, /* cannot set readonly property */
77 EZFS_PROPTYPE, /* property does not apply to dataset type */
78 EZFS_PROPNONINHERIT, /* property is not inheritable */
79 EZFS_PROPSPACE, /* bad quota or reservation */
80 EZFS_BADTYPE, /* dataset is not of appropriate type */
81 EZFS_BUSY, /* pool or dataset is busy */
82 EZFS_EXISTS, /* pool or dataset already exists */
83 EZFS_NOENT, /* no such pool or dataset */
84 EZFS_BADSTREAM, /* bad backup stream */
85 EZFS_DSREADONLY, /* dataset is readonly */
86 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */
87 EZFS_INVALIDNAME, /* invalid dataset name */
88 EZFS_BADRESTORE, /* unable to restore to destination */
89 EZFS_BADBACKUP, /* backup failed */
90 EZFS_BADTARGET, /* bad attach/detach/replace target */
91 EZFS_NODEVICE, /* no such device in pool */
92 EZFS_BADDEV, /* invalid device to add */
93 EZFS_NOREPLICAS, /* no valid replicas */
94 EZFS_RESILVERING, /* currently resilvering */
95 EZFS_BADVERSION, /* unsupported version */
96 EZFS_POOLUNAVAIL, /* pool is currently unavailable */
97 EZFS_DEVOVERFLOW, /* too many devices in one vdev */
98 EZFS_BADPATH, /* must be an absolute path */
99 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */
100 EZFS_ZONED, /* used improperly in local zone */
101 EZFS_MOUNTFAILED, /* failed to mount dataset */
102 EZFS_UMOUNTFAILED, /* failed to unmount dataset */
103 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */
104 EZFS_SHARENFSFAILED, /* share(1M) failed */
105 EZFS_PERM, /* permission denied */
106 EZFS_NOSPC, /* out of space */
107 EZFS_FAULT, /* bad address */
108 EZFS_IO, /* I/O error */
109 EZFS_INTR, /* signal received */
110 EZFS_ISSPARE, /* device is a hot spare */
111 EZFS_INVALCONFIG, /* invalid vdev configuration */
112 EZFS_RECURSIVE, /* recursive dependency */
113 EZFS_NOHISTORY, /* no history object */
114 EZFS_POOLPROPS, /* couldn't retrieve pool props */
115 EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */
116 EZFS_POOL_INVALARG, /* invalid argument for this pool operation */
117 EZFS_NAMETOOLONG, /* dataset name is too long */
118 EZFS_OPENFAILED, /* open of device failed */
119 EZFS_NOCAP, /* couldn't get capacity */
120 EZFS_LABELFAILED, /* write of label failed */
121 EZFS_BADWHO, /* invalid permission who */
122 EZFS_BADPERM, /* invalid permission */
123 EZFS_BADPERMSET, /* invalid permission set name */
124 EZFS_NODELEGATION, /* delegated administration is disabled */
125 EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */
126 EZFS_SHARESMBFAILED, /* failed to share over smb */
127 EZFS_BADCACHE, /* bad cache file */
128 EZFS_ISL2CACHE, /* device is for the level 2 ARC */
129 EZFS_VDEVNOTSUP, /* unsupported vdev type */
130 EZFS_NOTSUP, /* ops not supported on this dataset */
131 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */
132 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */
133 EZFS_REFTAG_RELE, /* snapshot release: tag not found */
134 EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */
135 EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */
136 EZFS_PIPEFAILED, /* pipe create failed */
137 EZFS_THREADCREATEFAILED, /* thread create failed */
138 EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */
139 EZFS_SCRUBBING, /* currently scrubbing */
140 EZFS_NO_SCRUB, /* no active scrub */
141 EZFS_DIFF, /* general failure of zfs diff */
142 EZFS_DIFFDATA, /* bad zfs diff data */
143 EZFS_POOLREADONLY, /* pool is in read-only mode */
148 * The following data structures are all part
149 * of the zfs_allow_t data structure which is
150 * used for printing 'allow' permissions.
151 * It is a linked list of zfs_allow_t's which
152 * then contain avl tree's for user/group/sets/...
153 * and each one of the entries in those trees have
154 * avl tree's for the permissions they belong to and
155 * whether they are local,descendent or local+descendent
156 * permissions. The AVL trees are used primarily for
157 * sorting purposes, but also so that we can quickly find
158 * a given user and or permission.
160 typedef struct zfs_perm_node {
162 char z_pname[MAXPATHLEN];
165 typedef struct zfs_allow_node {
167 char z_key[MAXPATHLEN]; /* name, such as joe */
168 avl_tree_t z_localdescend; /* local+descendent perms */
169 avl_tree_t z_local; /* local permissions */
170 avl_tree_t z_descend; /* descendent permissions */
173 typedef struct zfs_allow {
174 struct zfs_allow *z_next;
175 char z_setpoint[MAXPATHLEN];
177 avl_tree_t z_crperms;
180 avl_tree_t z_everyone;
186 typedef struct zfs_handle zfs_handle_t;
187 typedef struct zpool_handle zpool_handle_t;
188 typedef struct libzfs_handle libzfs_handle_t;
191 * Library initialization
193 extern libzfs_handle_t *libzfs_init(void);
194 extern void libzfs_fini(libzfs_handle_t *);
196 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
197 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
199 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
201 extern void zfs_save_arguments(int argc, char **, char *, int);
202 extern int zpool_log_history(libzfs_handle_t *, const char *);
204 extern int libzfs_errno(libzfs_handle_t *);
205 extern const char *libzfs_error_action(libzfs_handle_t *);
206 extern const char *libzfs_error_description(libzfs_handle_t *);
207 extern void libzfs_mnttab_init(libzfs_handle_t *);
208 extern void libzfs_mnttab_fini(libzfs_handle_t *);
209 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
210 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
212 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
213 const char *, const char *);
214 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
217 * Basic handle functions
219 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
220 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
221 extern void zpool_close(zpool_handle_t *);
222 extern const char *zpool_get_name(zpool_handle_t *);
223 extern int zpool_get_state(zpool_handle_t *);
224 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
225 extern const char *zpool_pool_state_to_name(pool_state_t);
226 extern void zpool_free_handles(libzfs_handle_t *);
229 * Iterate over all active pools in the system.
231 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
232 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
235 * Functions to create and destroy pools
237 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
238 nvlist_t *, nvlist_t *);
239 extern int zpool_destroy(zpool_handle_t *, const char *);
240 extern int zpool_add(zpool_handle_t *, nvlist_t *);
242 typedef struct splitflags {
243 /* do not split, but return the config that would be split off */
246 /* after splitting, import the pool */
251 * Functions to manipulate pool and vdev state
253 extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
254 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
255 extern int zpool_reguid(zpool_handle_t *);
256 extern int zpool_reopen(zpool_handle_t *);
258 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
260 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
261 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
262 const char *, nvlist_t *, int);
263 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
264 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
265 extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
268 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
269 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
270 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
272 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
273 boolean_t *, boolean_t *);
274 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
275 boolean_t *, boolean_t *, boolean_t *);
276 extern int zpool_label_disk_wait(char *, int);
277 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
280 * Functions to manage pool properties
282 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
283 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
284 size_t proplen, zprop_source_t *);
285 extern int zpool_get_prop_literal(zpool_handle_t *, zpool_prop_t, char *,
286 size_t proplen, zprop_source_t *, boolean_t literal);
287 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
290 extern const char *zpool_prop_to_name(zpool_prop_t);
291 extern const char *zpool_prop_values(zpool_prop_t);
294 * Pool health statistics.
298 * The following correspond to faults as defined in the (fault.fs.zfs.*)
299 * event namespace. Each is associated with a corresponding message ID.
301 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */
302 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */
303 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */
304 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */
305 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */
306 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */
307 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */
308 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */
309 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
310 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
311 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
312 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
313 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
314 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
315 ZPOOL_STATUS_ERRATA, /* informational errata available */
318 * If the pool has unsupported features but can still be opened in
319 * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
320 * pool has unsupported features but cannot be opened at all, its
321 * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
323 ZPOOL_STATUS_UNSUP_FEAT_READ, /* unsupported features for read */
324 ZPOOL_STATUS_UNSUP_FEAT_WRITE, /* unsupported features for write */
327 * These faults have no corresponding message ID. At the time we are
328 * checking the status, the original reason for the FMA fault (I/O or
329 * checksum errors) has been lost.
331 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */
332 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */
335 * The following are not faults per se, but still an error possibly
336 * requiring administrative attention. There is no corresponding
339 ZPOOL_STATUS_VERSION_OLDER, /* older legacy on-disk version */
340 ZPOOL_STATUS_FEAT_DISABLED, /* supported features are disabled */
341 ZPOOL_STATUS_RESILVERING, /* device being resilvered */
342 ZPOOL_STATUS_OFFLINE_DEV, /* device online */
343 ZPOOL_STATUS_REMOVED_DEV, /* removed device */
346 * Finally, the following indicates a healthy pool.
351 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **,
353 extern zpool_status_t zpool_import_status(nvlist_t *, char **,
355 extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
358 * Statistics and configuration functions.
360 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
361 extern nvlist_t *zpool_get_features(zpool_handle_t *);
362 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
363 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
366 * Import and export functions
368 extern int zpool_export(zpool_handle_t *, boolean_t, const char *);
369 extern int zpool_export_force(zpool_handle_t *, const char *);
370 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
372 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
374 extern void zpool_print_unsup_feat(nvlist_t *config);
377 * Search for pools to import
380 typedef struct importargs {
381 char **path; /* a list of paths to search */
382 int paths; /* number of paths to search */
383 char *poolname; /* name of a pool to find */
384 uint64_t guid; /* guid of a pool to find */
385 char *cachefile; /* cachefile to use for import */
386 int can_be_active : 1; /* can the pool be active? */
387 int unique : 1; /* does 'poolname' already exist? */
388 int exists : 1; /* set on return if pool already exists */
391 extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
393 /* legacy pool search routines */
394 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
395 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
399 * Miscellaneous pool functions
403 extern const char *zfs_history_event_names[];
405 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
407 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
408 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
409 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
410 nvlist_t ***, uint_t *);
411 extern int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, int, int);
412 extern int zpool_events_clear(libzfs_handle_t *, int *);
413 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
415 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
416 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
417 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
421 * Basic handle manipulations. These functions do not create or destroy the
422 * underlying datasets, only the references to them.
424 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
425 extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
426 extern void zfs_close(zfs_handle_t *);
427 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
428 extern const char *zfs_get_name(const zfs_handle_t *);
429 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
432 * Property management functions. Some functions are shared with the kernel,
433 * and are found in sys/fs/zfs.h.
437 * zfs dataset property management
439 extern const char *zfs_prop_default_string(zfs_prop_t);
440 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
441 extern const char *zfs_prop_column_name(zfs_prop_t);
442 extern boolean_t zfs_prop_align_right(zfs_prop_t);
444 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
445 nvlist_t *, uint64_t, zfs_handle_t *, const char *);
447 extern const char *zfs_prop_to_name(zfs_prop_t);
448 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
449 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
450 zprop_source_t *, char *, size_t, boolean_t);
451 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
453 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
454 zprop_source_t *, char *, size_t);
455 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
456 uint64_t *propvalue);
457 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
458 char *propbuf, int proplen, boolean_t literal);
459 extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
460 uint64_t *propvalue);
461 extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
462 char *propbuf, int proplen, boolean_t literal);
463 extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
464 char *buf, size_t len);
465 extern uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, char **);
466 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
467 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
468 extern const char *zfs_prop_values(zfs_prop_t);
469 extern int zfs_prop_is_string(zfs_prop_t prop);
470 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
471 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
472 extern nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
474 typedef struct zprop_list {
477 struct zprop_list *pl_next;
480 size_t pl_recvd_width;
484 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t,
486 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
488 #define ZFS_MOUNTPOINT_NONE "none"
489 #define ZFS_MOUNTPOINT_LEGACY "legacy"
491 #define ZFS_FEATURE_DISABLED "disabled"
492 #define ZFS_FEATURE_ENABLED "enabled"
493 #define ZFS_FEATURE_ACTIVE "active"
495 #define ZFS_UNSUPPORTED_INACTIVE "inactive"
496 #define ZFS_UNSUPPORTED_READONLY "readonly"
499 * zpool property management
501 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
502 extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
504 extern const char *zpool_prop_default_string(zpool_prop_t);
505 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
506 extern const char *zpool_prop_column_name(zpool_prop_t);
507 extern boolean_t zpool_prop_align_right(zpool_prop_t);
510 * Functions shared by zfs and zpool property management.
512 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
513 boolean_t ordered, zfs_type_t type);
514 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
516 extern void zprop_free_list(zprop_list_t *);
518 #define ZFS_GET_NCOLS 5
530 * Functions for printing zfs or zpool properties
532 typedef struct zprop_get_cbdata {
534 zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
535 int cb_colwidths[ZFS_GET_NCOLS + 1];
536 boolean_t cb_scripted;
537 boolean_t cb_literal;
539 zprop_list_t *cb_proplist;
541 } zprop_get_cbdata_t;
543 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
544 const char *, const char *, zprop_source_t, const char *,
548 * Iterator functions.
550 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
551 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
552 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
553 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
554 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
555 extern int zfs_iter_snapshots(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
556 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
557 extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *);
559 typedef struct get_all_cb {
560 zfs_handle_t **cb_handles;
563 boolean_t cb_verbose;
564 int (*cb_getone)(zfs_handle_t *, void *);
567 void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
568 int libzfs_dataset_cmp(const void *, const void *);
571 * Functions to create and destroy datasets.
573 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
575 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
576 extern int zfs_destroy(zfs_handle_t *, boolean_t);
577 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
578 extern int zfs_destroy_snaps_nvl(libzfs_handle_t *, nvlist_t *, boolean_t);
579 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
580 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
581 extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
583 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
584 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t, boolean_t);
586 typedef struct sendflags {
587 /* print informational messages (ie, -v was specified) */
590 /* recursive send (ie, -R) */
593 /* for incrementals, do all intermediate snapshots */
596 /* if dataset is a clone, do incremental from its origin */
597 boolean_t fromorigin;
599 /* do deduplication */
602 /* send properties (ie, -p) */
605 /* do not send (no-op, ie. -n) */
608 /* parsable verbose output (ie. -P) */
611 /* show progress (ie. -v) */
615 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
617 extern int zfs_send(zfs_handle_t *, const char *, const char *,
618 sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
620 extern int zfs_promote(zfs_handle_t *);
621 extern int zfs_hold(zfs_handle_t *, const char *, const char *,
623 extern int zfs_hold_nvl(zfs_handle_t *, int, nvlist_t *);
624 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
625 extern int zfs_get_holds(zfs_handle_t *, nvlist_t **);
626 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
628 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
629 uid_t rid, uint64_t space);
631 extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
632 zfs_userspace_cb_t, void *);
634 extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
635 extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
637 typedef struct recvflags {
638 /* print informational messages (ie, -v was specified) */
641 /* the destination is a prefix, not the exact fs (ie, -d) */
645 * Only the tail of the sent snapshot path is appended to the
646 * destination to determine the received snapshot name (ie, -e).
650 /* do not actually do the recv, just check if it would work (ie, -n) */
653 /* rollback/destroy filesystems as necessary (eg, -F) */
656 /* set "canmount=off" on all modified filesystems */
657 boolean_t canmountoff;
659 /* byteswap flag is used internally; callers need not specify */
662 /* do not mount file systems as they are extracted (private) */
666 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t *,
669 typedef enum diff_flags {
670 ZFS_DIFF_PARSEABLE = 0x1,
671 ZFS_DIFF_TIMESTAMP = 0x2,
672 ZFS_DIFF_CLASSIFY = 0x4
675 extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
679 * Miscellaneous functions.
681 extern const char *zfs_type_to_name(zfs_type_t);
682 extern void zfs_refresh_properties(zfs_handle_t *);
683 extern int zfs_name_valid(const char *, zfs_type_t);
684 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
685 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
687 extern int zfs_spa_version(zfs_handle_t *, int *);
688 extern int zfs_append_partition(char *path, size_t max_len);
689 extern int zfs_resolve_shortname(const char *name, char *path, size_t pathlen);
690 extern int zfs_strcmp_pathname(char *name, char *cmp_name, int wholedisk);
693 * Mount support functions.
695 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
696 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
697 extern int zfs_mount(zfs_handle_t *, const char *, int);
698 extern int zfs_unmount(zfs_handle_t *, const char *, int);
699 extern int zfs_unmountall(zfs_handle_t *, int);
702 * Share support functions.
704 extern boolean_t zfs_is_shared(zfs_handle_t *);
705 extern int zfs_share(zfs_handle_t *);
706 extern int zfs_unshare(zfs_handle_t *);
709 * Protocol-specific share support functions.
711 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
712 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
713 extern int zfs_share_nfs(zfs_handle_t *);
714 extern int zfs_share_smb(zfs_handle_t *);
715 extern int zfs_shareall(zfs_handle_t *);
716 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
717 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
718 extern int zfs_unshareall_nfs(zfs_handle_t *);
719 extern int zfs_unshareall_smb(zfs_handle_t *);
720 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
721 extern int zfs_unshareall(zfs_handle_t *);
722 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
723 void *, void *, int, zfs_share_op_t);
726 * Utility function to convert a number to a human-readable form.
728 extern void zfs_nicenum(uint64_t, char *, size_t);
729 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
732 * Utility functions to run an external process.
734 #define STDOUT_VERBOSE 0x01
735 #define STDERR_VERBOSE 0x02
737 int libzfs_run_process(const char *, char **, int flags);
738 int libzfs_load_module(const char *);
741 * Given a device or file, determine if it is part of a pool.
743 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
747 * Label manipulation.
749 extern int zpool_read_label(int, nvlist_t **);
750 extern int zpool_clear_label(int);
753 * Management interfaces for SMB ACL files
756 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
757 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
758 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
759 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
762 * Enable and disable datasets within a pool by mounting/unmounting and
763 * sharing/unsharing them.
765 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
766 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
769 * Mappings between vdev and FRU.
771 extern void libzfs_fru_refresh(libzfs_handle_t *);
772 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
773 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
774 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
776 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
777 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
783 #endif /* _LIBZFS_H */