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) 2011 Pawel Jakub Dawidek. All rights reserved.
25 * Copyright (c) 2011, 2017 by Delphix. All rights reserved.
26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
27 * Copyright (c) 2012 Martin Matuska <mm@FreeBSD.org>. All rights reserved.
28 * Copyright (c) 2013 Steven Hartland. All rights reserved.
29 * Copyright (c) 2014 Integros [integros.com]
30 * Copyright 2016 Nexenta Systems, Inc.
31 * Copyright (c) 2017 Datto Inc.
38 #include <libnvpair.h>
39 #include <sys/mnttab.h>
40 #include <sys/param.h>
41 #include <sys/types.h>
42 #include <sys/varargs.h>
43 #include <sys/fs/zfs.h>
45 #include <sys/zfs_ioctl.h>
46 #include <libzfs_core.h>
53 * Miscellaneous ZFS constants
55 #define ZFS_MAXPROPLEN MAXPATHLEN
56 #define ZPOOL_MAXPROPLEN MAXPATHLEN
61 typedef enum zfs_error {
62 EZFS_SUCCESS = 0, /* no error -- success */
63 EZFS_NOMEM = 2000, /* out of memory */
64 EZFS_BADPROP, /* invalid property value */
65 EZFS_PROPREADONLY, /* cannot set readonly property */
66 EZFS_PROPTYPE, /* property does not apply to dataset type */
67 EZFS_PROPNONINHERIT, /* property is not inheritable */
68 EZFS_PROPSPACE, /* bad quota or reservation */
69 EZFS_BADTYPE, /* dataset is not of appropriate type */
70 EZFS_BUSY, /* pool or dataset is busy */
71 EZFS_EXISTS, /* pool or dataset already exists */
72 EZFS_NOENT, /* no such pool or dataset */
73 EZFS_BADSTREAM, /* bad backup stream */
74 EZFS_DSREADONLY, /* dataset is readonly */
75 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */
76 EZFS_INVALIDNAME, /* invalid dataset name */
77 EZFS_BADRESTORE, /* unable to restore to destination */
78 EZFS_BADBACKUP, /* backup failed */
79 EZFS_BADTARGET, /* bad attach/detach/replace target */
80 EZFS_NODEVICE, /* no such device in pool */
81 EZFS_BADDEV, /* invalid device to add */
82 EZFS_NOREPLICAS, /* no valid replicas */
83 EZFS_RESILVERING, /* currently resilvering */
84 EZFS_BADVERSION, /* unsupported version */
85 EZFS_POOLUNAVAIL, /* pool is currently unavailable */
86 EZFS_DEVOVERFLOW, /* too many devices in one vdev */
87 EZFS_BADPATH, /* must be an absolute path */
88 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */
89 EZFS_ZONED, /* used improperly in local zone */
90 EZFS_MOUNTFAILED, /* failed to mount dataset */
91 EZFS_UMOUNTFAILED, /* failed to unmount dataset */
92 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */
93 EZFS_SHARENFSFAILED, /* share(1M) failed */
94 EZFS_PERM, /* permission denied */
95 EZFS_NOSPC, /* out of space */
96 EZFS_FAULT, /* bad address */
97 EZFS_IO, /* I/O error */
98 EZFS_INTR, /* signal received */
99 EZFS_ISSPARE, /* device is a hot spare */
100 EZFS_INVALCONFIG, /* invalid vdev configuration */
101 EZFS_RECURSIVE, /* recursive dependency */
102 EZFS_NOHISTORY, /* no history object */
103 EZFS_POOLPROPS, /* couldn't retrieve pool props */
104 EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */
105 EZFS_POOL_INVALARG, /* invalid argument for this pool operation */
106 EZFS_NAMETOOLONG, /* dataset name is too long */
107 EZFS_OPENFAILED, /* open of device failed */
108 EZFS_NOCAP, /* couldn't get capacity */
109 EZFS_LABELFAILED, /* write of label failed */
110 EZFS_BADWHO, /* invalid permission who */
111 EZFS_BADPERM, /* invalid permission */
112 EZFS_BADPERMSET, /* invalid permission set name */
113 EZFS_NODELEGATION, /* delegated administration is disabled */
114 EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */
115 EZFS_SHARESMBFAILED, /* failed to share over smb */
116 EZFS_BADCACHE, /* bad cache file */
117 EZFS_ISL2CACHE, /* device is for the level 2 ARC */
118 EZFS_VDEVNOTSUP, /* unsupported vdev type */
119 EZFS_NOTSUP, /* ops not supported on this dataset */
120 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */
121 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */
122 EZFS_REFTAG_RELE, /* snapshot release: tag not found */
123 EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */
124 EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */
125 EZFS_PIPEFAILED, /* pipe create failed */
126 EZFS_THREADCREATEFAILED, /* thread create failed */
127 EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */
128 EZFS_SCRUBBING, /* currently scrubbing */
129 EZFS_NO_SCRUB, /* no active scrub */
130 EZFS_DIFF, /* general failure of zfs diff */
131 EZFS_DIFFDATA, /* bad zfs diff data */
132 EZFS_POOLREADONLY, /* pool is in read-only mode */
133 EZFS_SCRUB_PAUSED, /* scrub currently paused */
134 EZFS_NO_PENDING, /* cannot cancel, no operation is pending */
139 * UEFI boot support parameters. When creating whole disk boot pool,
140 * zpool create should allow to create EFI System partition for UEFI boot
141 * program. In case of BIOS, the EFI System partition is not used
142 * even if it does exist.
144 typedef enum zpool_boot_label {
145 ZPOOL_NO_BOOT_LABEL = 0,
146 ZPOOL_CREATE_BOOT_LABEL,
147 ZPOOL_COPY_BOOT_LABEL
148 } zpool_boot_label_t;
151 * The following data structures are all part
152 * of the zfs_allow_t data structure which is
153 * used for printing 'allow' permissions.
154 * It is a linked list of zfs_allow_t's which
155 * then contain avl tree's for user/group/sets/...
156 * and each one of the entries in those trees have
157 * avl tree's for the permissions they belong to and
158 * whether they are local,descendent or local+descendent
159 * permissions. The AVL trees are used primarily for
160 * sorting purposes, but also so that we can quickly find
161 * a given user and or permission.
163 typedef struct zfs_perm_node {
165 char z_pname[MAXPATHLEN];
168 typedef struct zfs_allow_node {
170 char z_key[MAXPATHLEN]; /* name, such as joe */
171 avl_tree_t z_localdescend; /* local+descendent perms */
172 avl_tree_t z_local; /* local permissions */
173 avl_tree_t z_descend; /* descendent permissions */
176 typedef struct zfs_allow {
177 struct zfs_allow *z_next;
178 char z_setpoint[MAXPATHLEN];
180 avl_tree_t z_crperms;
183 avl_tree_t z_everyone;
189 typedef struct zfs_handle zfs_handle_t;
190 typedef struct zpool_handle zpool_handle_t;
191 typedef struct libzfs_handle libzfs_handle_t;
194 * Library initialization
196 extern libzfs_handle_t *libzfs_init(void);
197 extern void libzfs_fini(libzfs_handle_t *);
199 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
200 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
202 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
204 extern void zfs_save_arguments(int argc, char **, char *, int);
205 extern int zpool_log_history(libzfs_handle_t *, const char *);
207 extern int libzfs_errno(libzfs_handle_t *);
208 extern const char *libzfs_error_action(libzfs_handle_t *);
209 extern const char *libzfs_error_description(libzfs_handle_t *);
210 extern int zfs_standard_error(libzfs_handle_t *, int, const char *);
211 extern void libzfs_mnttab_init(libzfs_handle_t *);
212 extern void libzfs_mnttab_fini(libzfs_handle_t *);
213 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
214 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
216 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
217 const char *, const char *);
218 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
221 * Basic handle functions
223 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
224 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
225 extern void zpool_close(zpool_handle_t *);
226 extern const char *zpool_get_name(zpool_handle_t *);
227 extern int zpool_get_state(zpool_handle_t *);
228 extern const char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
229 extern const char *zpool_pool_state_to_name(pool_state_t);
230 extern void zpool_free_handles(libzfs_handle_t *);
231 extern int zpool_nextboot(libzfs_handle_t *, uint64_t, uint64_t, const char *);
234 * Iterate over all active pools in the system.
236 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
237 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
238 extern boolean_t zpool_skip_pool(const char *);
241 * Functions to create and destroy pools
243 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
244 nvlist_t *, nvlist_t *);
245 extern int zpool_destroy(zpool_handle_t *, const char *);
246 extern int zpool_add(zpool_handle_t *, nvlist_t *);
248 typedef struct splitflags {
249 /* do not split, but return the config that would be split off */
252 /* after splitting, import the pool */
257 * Functions to manipulate pool and vdev state
259 extern int zpool_scan(zpool_handle_t *, pool_scan_func_t, pool_scrub_cmd_t);
260 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
261 extern int zpool_reguid(zpool_handle_t *);
262 extern int zpool_reopen(zpool_handle_t *);
264 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
266 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
267 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
268 const char *, nvlist_t *, int);
269 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
270 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
271 extern int zpool_vdev_remove_cancel(zpool_handle_t *);
272 extern int zpool_vdev_indirect_size(zpool_handle_t *, const char *, uint64_t *);
273 extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
276 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
277 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
278 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
280 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
281 boolean_t *, boolean_t *);
282 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
283 boolean_t *, boolean_t *, boolean_t *);
284 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, const char *,
285 zpool_boot_label_t, uint64_t, int *);
288 * Functions to manage pool properties
290 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
291 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
292 size_t proplen, zprop_source_t *, boolean_t);
293 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
296 extern const char *zpool_prop_to_name(zpool_prop_t);
297 extern const char *zpool_prop_values(zpool_prop_t);
300 * Pool health statistics.
304 * The following correspond to faults as defined in the (fault.fs.zfs.*)
305 * event namespace. Each is associated with a corresponding message ID.
307 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */
308 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */
309 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */
310 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */
311 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */
312 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */
313 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */
314 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */
315 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
316 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
317 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
318 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
319 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
320 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
323 * If the pool has unsupported features but can still be opened in
324 * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
325 * pool has unsupported features but cannot be opened at all, its
326 * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
328 ZPOOL_STATUS_UNSUP_FEAT_READ, /* unsupported features for read */
329 ZPOOL_STATUS_UNSUP_FEAT_WRITE, /* unsupported features for write */
332 * These faults have no corresponding message ID. At the time we are
333 * checking the status, the original reason for the FMA fault (I/O or
334 * checksum errors) has been lost.
336 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */
337 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */
340 * The following are not faults per se, but still an error possibly
341 * requiring administrative attention. There is no corresponding
344 ZPOOL_STATUS_VERSION_OLDER, /* older legacy on-disk version */
345 ZPOOL_STATUS_FEAT_DISABLED, /* supported features are disabled */
346 ZPOOL_STATUS_RESILVERING, /* device being resilvered */
347 ZPOOL_STATUS_OFFLINE_DEV, /* device offline */
348 ZPOOL_STATUS_REMOVED_DEV, /* removed device */
349 ZPOOL_STATUS_NON_NATIVE_ASHIFT, /* (e.g. 512e dev with ashift of 9) */
352 * Finally, the following indicates a healthy pool.
357 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
358 extern zpool_status_t zpool_import_status(nvlist_t *, char **);
359 extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
362 * Statistics and configuration functions.
364 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
365 extern nvlist_t *zpool_get_features(zpool_handle_t *);
366 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
367 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
368 extern boolean_t zpool_is_bootable(zpool_handle_t *);
371 * Import and export functions
373 extern int zpool_export(zpool_handle_t *, boolean_t, const char *);
374 extern int zpool_export_force(zpool_handle_t *, const char *);
375 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
377 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
379 extern void zpool_print_unsup_feat(nvlist_t *config);
382 * Search for pools to import
385 typedef struct importargs {
386 char **path; /* a list of paths to search */
387 int paths; /* number of paths to search */
388 char *poolname; /* name of a pool to find */
389 uint64_t guid; /* guid of a pool to find */
390 char *cachefile; /* cachefile to use for import */
391 int can_be_active : 1; /* can the pool be active? */
392 int unique : 1; /* does 'poolname' already exist? */
393 int exists : 1; /* set on return if pool already exists */
396 extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
398 /* legacy pool search routines */
399 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
400 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
404 * Miscellaneous pool functions
408 extern const char *zfs_history_event_names[];
410 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
412 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
413 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
414 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
415 nvlist_t ***, uint_t *);
416 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
418 extern int zfs_ioctl(libzfs_handle_t *, int request, struct zfs_cmd *);
419 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
420 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
424 * Basic handle manipulations. These functions do not create or destroy the
425 * underlying datasets, only the references to them.
427 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
428 extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
429 extern void zfs_close(zfs_handle_t *);
430 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
431 extern const char *zfs_get_name(const zfs_handle_t *);
432 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
433 extern const char *zfs_get_pool_name(const zfs_handle_t *);
436 * Property management functions. Some functions are shared with the kernel,
437 * and are found in sys/fs/zfs.h.
441 * zfs dataset property management
443 extern const char *zfs_prop_default_string(zfs_prop_t);
444 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
445 extern const char *zfs_prop_column_name(zfs_prop_t);
446 extern boolean_t zfs_prop_align_right(zfs_prop_t);
448 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
449 nvlist_t *, uint64_t, zfs_handle_t *, zpool_handle_t *, const char *);
451 extern const char *zfs_prop_to_name(zfs_prop_t);
452 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
453 extern int zfs_prop_set_list(zfs_handle_t *, nvlist_t *);
454 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
455 zprop_source_t *, char *, size_t, boolean_t);
456 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
458 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
459 zprop_source_t *, char *, size_t);
460 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
461 uint64_t *propvalue);
462 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
463 char *propbuf, int proplen, boolean_t literal);
464 extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
465 uint64_t *propvalue);
466 extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
467 char *propbuf, int proplen, boolean_t literal);
468 extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
469 char *buf, size_t len);
470 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
471 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
472 extern const char *zfs_prop_values(zfs_prop_t);
473 extern int zfs_prop_is_string(zfs_prop_t prop);
474 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
475 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
476 extern nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
479 typedef struct zprop_list {
482 struct zprop_list *pl_next;
485 size_t pl_recvd_width;
489 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t,
491 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
493 #define ZFS_MOUNTPOINT_NONE "none"
494 #define ZFS_MOUNTPOINT_LEGACY "legacy"
496 #define ZFS_FEATURE_DISABLED "disabled"
497 #define ZFS_FEATURE_ENABLED "enabled"
498 #define ZFS_FEATURE_ACTIVE "active"
500 #define ZFS_UNSUPPORTED_INACTIVE "inactive"
501 #define ZFS_UNSUPPORTED_READONLY "readonly"
504 * zpool property management
506 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
507 extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
509 extern const char *zpool_prop_default_string(zpool_prop_t);
510 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
511 extern const char *zpool_prop_column_name(zpool_prop_t);
512 extern boolean_t zpool_prop_align_right(zpool_prop_t);
515 * Functions shared by zfs and zpool property management.
517 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
518 boolean_t ordered, zfs_type_t type);
519 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
521 extern void zprop_free_list(zprop_list_t *);
523 #define ZFS_GET_NCOLS 5
535 * Functions for printing zfs or zpool properties
537 typedef struct zprop_get_cbdata {
539 zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
540 int cb_colwidths[ZFS_GET_NCOLS + 1];
541 boolean_t cb_scripted;
542 boolean_t cb_literal;
544 zprop_list_t *cb_proplist;
546 } zprop_get_cbdata_t;
548 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
549 const char *, const char *, zprop_source_t, const char *,
553 * Iterator functions.
555 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
556 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
557 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
558 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
559 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
560 extern int zfs_iter_snapshots(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
561 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
562 extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *);
563 extern int zfs_iter_bookmarks(zfs_handle_t *, zfs_iter_f, void *);
565 typedef struct get_all_cb {
566 zfs_handle_t **cb_handles;
569 boolean_t cb_verbose;
570 int (*cb_getone)(zfs_handle_t *, void *);
573 void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
574 int libzfs_dataset_cmp(const void *, const void *);
577 * Functions to create and destroy datasets.
579 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
581 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
582 extern int zfs_destroy(zfs_handle_t *, boolean_t);
583 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
584 extern int zfs_destroy_snaps_nvl(libzfs_handle_t *, nvlist_t *, boolean_t);
585 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
586 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
587 extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
589 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
591 typedef struct renameflags {
592 /* recursive rename */
595 /* don't unmount file systems */
598 /* force unmount file systems */
599 int forceunmount : 1;
602 extern int zfs_rename(zfs_handle_t *, const char *, const char *,
603 renameflags_t flags);
605 typedef struct sendflags {
606 /* print informational messages (ie, -v was specified) */
609 /* recursive send (ie, -R) */
612 /* for incrementals, do all intermediate snapshots */
615 /* if dataset is a clone, do incremental from its origin */
616 boolean_t fromorigin;
618 /* do deduplication */
621 /* send properties (ie, -p) */
624 /* do not send (no-op, ie. -n) */
627 /* parsable verbose output (ie. -P) */
630 /* show progress (ie. -v) */
633 /* large blocks (>128K) are permitted */
634 boolean_t largeblock;
636 /* WRITE_EMBEDDED records of type DATA are permitted */
637 boolean_t embed_data;
639 /* compressed WRITE records are permitted */
643 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
645 extern int zfs_send(zfs_handle_t *, const char *, const char *,
646 sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
647 extern int zfs_send_one(zfs_handle_t *, const char *, int, enum lzc_send_flags);
648 extern int zfs_send_resume(libzfs_handle_t *, sendflags_t *, int outfd,
650 extern nvlist_t *zfs_send_resume_token_to_nvlist(libzfs_handle_t *hdl,
653 extern int zfs_promote(zfs_handle_t *);
654 extern int zfs_hold(zfs_handle_t *, const char *, const char *,
656 extern int zfs_hold_nvl(zfs_handle_t *, int, nvlist_t *);
657 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
658 extern int zfs_get_holds(zfs_handle_t *, nvlist_t **);
659 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
661 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
662 uid_t rid, uint64_t space);
664 extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
665 zfs_userspace_cb_t, void *);
667 extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
668 extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
670 typedef struct recvflags {
671 /* print informational messages (ie, -v was specified) */
674 /* the destination is a prefix, not the exact fs (ie, -d) */
678 * Only the tail of the sent snapshot path is appended to the
679 * destination to determine the received snapshot name (ie, -e).
683 /* do not actually do the recv, just check if it would work (ie, -n) */
686 /* rollback/destroy filesystems as necessary (eg, -F) */
689 /* set "canmount=off" on all modified filesystems */
690 boolean_t canmountoff;
693 * Mark the file systems as "resumable" and do not destroy them if the
694 * receive is interrupted
698 /* byteswap flag is used internally; callers need not specify */
701 /* do not mount file systems as they are extracted (private) */
705 extern int zfs_receive(libzfs_handle_t *, const char *, nvlist_t *,
706 recvflags_t *, int, avl_tree_t *);
708 typedef enum diff_flags {
709 ZFS_DIFF_PARSEABLE = 0x1,
710 ZFS_DIFF_TIMESTAMP = 0x2,
711 ZFS_DIFF_CLASSIFY = 0x4
714 extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
718 * Miscellaneous functions.
720 extern const char *zfs_type_to_name(zfs_type_t);
721 extern void zfs_refresh_properties(zfs_handle_t *);
722 extern int zfs_name_valid(const char *, zfs_type_t);
723 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
724 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
726 extern int zfs_spa_version(zfs_handle_t *, int *);
727 extern boolean_t zfs_bookmark_exists(const char *path);
730 * Mount support functions.
732 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
733 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
734 extern int zfs_mount(zfs_handle_t *, const char *, int);
735 extern int zfs_unmount(zfs_handle_t *, const char *, int);
736 extern int zfs_unmountall(zfs_handle_t *, int);
739 * Share support functions.
741 extern boolean_t zfs_is_shared(zfs_handle_t *);
742 extern int zfs_share(zfs_handle_t *);
743 extern int zfs_unshare(zfs_handle_t *);
746 * Protocol-specific share support functions.
748 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
749 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
750 extern int zfs_share_nfs(zfs_handle_t *);
751 extern int zfs_share_smb(zfs_handle_t *);
752 extern int zfs_shareall(zfs_handle_t *);
753 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
754 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
755 extern int zfs_unshareall_nfs(zfs_handle_t *);
756 extern int zfs_unshareall_smb(zfs_handle_t *);
757 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
758 extern int zfs_unshareall(zfs_handle_t *);
759 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
760 void *, void *, int, zfs_share_op_t);
763 * FreeBSD-specific jail support function.
765 extern int zfs_jail(zfs_handle_t *, int, int);
768 * When dealing with nvlists, verify() is extremely useful
772 #define verify(EX) ((void)(EX))
774 #define verify(EX) assert(EX)
779 * Utility function to convert a number to a human-readable form.
781 extern void zfs_nicenum(uint64_t, char *, size_t);
782 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
785 * Given a device or file, determine if it is part of a pool.
787 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
791 * Label manipulation.
793 extern int zpool_read_label(int, nvlist_t **);
794 extern int zpool_read_all_labels(int, nvlist_t **);
795 extern int zpool_clear_label(int);
797 /* is this zvol valid for use as a dump device? */
798 extern int zvol_check_dump_config(char *);
801 * Management interfaces for SMB ACL files
804 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
805 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
806 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
807 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
810 * Enable and disable datasets within a pool by mounting/unmounting and
811 * sharing/unsharing them.
813 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
814 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
817 * Mappings between vdev and FRU.
819 extern void libzfs_fru_refresh(libzfs_handle_t *);
820 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
821 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
822 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
824 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
825 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
828 extern int zmount(const char *, const char *, int, char *, char *, int, char *,
831 extern int zfs_remap_indirects(libzfs_handle_t *hdl, const char *);
837 #endif /* _LIBZFS_H */