1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
25 * Copyright (c) 2012 by Delphix. All rights reserved.
26 * Copyright (c) 2012, Joyent, Inc. All rights reserved.
27 */
28
29 #ifndef _LIBZFS_H
30 #define _LIBZFS_H
31
32 #include <assert.h>
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>
39 #include <sys/avl.h>
40 #include <ucred.h>
41
42 #ifdef __cplusplus
43 extern "C" {
44 #endif
45
46 /*
47 * Miscellaneous ZFS constants
48 */
49 #define ZFS_MAXNAMELEN MAXNAMELEN
50 #define ZPOOL_MAXNAMELEN MAXNAMELEN
51 #define ZFS_MAXPROPLEN MAXPATHLEN
52 #define ZPOOL_MAXPROPLEN MAXPATHLEN
53
54 /*
55 * libzfs errors
56 */
57 typedef enum zfs_error {
58 EZFS_SUCCESS = 0, /* no error -- success */
59 EZFS_NOMEM = 2000, /* out of memory */
60 EZFS_BADPROP, /* invalid property value */
61 EZFS_PROPREADONLY, /* cannot set readonly property */
62 EZFS_PROPTYPE, /* property does not apply to dataset type */
63 EZFS_PROPNONINHERIT, /* property is not inheritable */
64 EZFS_PROPSPACE, /* bad quota or reservation */
65 EZFS_BADTYPE, /* dataset is not of appropriate type */
66 EZFS_BUSY, /* pool or dataset is busy */
67 EZFS_EXISTS, /* pool or dataset already exists */
68 EZFS_NOENT, /* no such pool or dataset */
69 EZFS_BADSTREAM, /* bad backup stream */
70 EZFS_DSREADONLY, /* dataset is readonly */
71 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */
72 EZFS_INVALIDNAME, /* invalid dataset name */
73 EZFS_BADRESTORE, /* unable to restore to destination */
74 EZFS_BADBACKUP, /* backup failed */
75 EZFS_BADTARGET, /* bad attach/detach/replace target */
76 EZFS_NODEVICE, /* no such device in pool */
77 EZFS_BADDEV, /* invalid device to add */
78 EZFS_NOREPLICAS, /* no valid replicas */
79 EZFS_RESILVERING, /* currently resilvering */
80 EZFS_BADVERSION, /* unsupported version */
81 EZFS_POOLUNAVAIL, /* pool is currently unavailable */
82 EZFS_DEVOVERFLOW, /* too many devices in one vdev */
83 EZFS_BADPATH, /* must be an absolute path */
84 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */
85 EZFS_ZONED, /* used improperly in local zone */
86 EZFS_MOUNTFAILED, /* failed to mount dataset */
87 EZFS_UMOUNTFAILED, /* failed to unmount dataset */
88 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */
89 EZFS_SHARENFSFAILED, /* share(1M) failed */
90 EZFS_PERM, /* permission denied */
91 EZFS_NOSPC, /* out of space */
92 EZFS_FAULT, /* bad address */
93 EZFS_IO, /* I/O error */
94 EZFS_INTR, /* signal received */
95 EZFS_ISSPARE, /* device is a hot spare */
96 EZFS_INVALCONFIG, /* invalid vdev configuration */
97 EZFS_RECURSIVE, /* recursive dependency */
98 EZFS_NOHISTORY, /* no history object */
99 EZFS_POOLPROPS, /* couldn't retrieve pool props */
100 EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */
101 EZFS_POOL_INVALARG, /* invalid argument for this pool operation */
102 EZFS_NAMETOOLONG, /* dataset name is too long */
103 EZFS_OPENFAILED, /* open of device failed */
104 EZFS_NOCAP, /* couldn't get capacity */
105 EZFS_LABELFAILED, /* write of label failed */
106 EZFS_BADWHO, /* invalid permission who */
107 EZFS_BADPERM, /* invalid permission */
108 EZFS_BADPERMSET, /* invalid permission set name */
109 EZFS_NODELEGATION, /* delegated administration is disabled */
110 EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */
111 EZFS_SHARESMBFAILED, /* failed to share over smb */
112 EZFS_BADCACHE, /* bad cache file */
113 EZFS_ISL2CACHE, /* device is for the level 2 ARC */
114 EZFS_VDEVNOTSUP, /* unsupported vdev type */
115 EZFS_NOTSUP, /* ops not supported on this dataset */
116 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */
117 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */
118 EZFS_REFTAG_RELE, /* snapshot release: tag not found */
119 EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */
120 EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */
121 EZFS_PIPEFAILED, /* pipe create failed */
122 EZFS_THREADCREATEFAILED, /* thread create failed */
123 EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */
124 EZFS_SCRUBBING, /* currently scrubbing */
125 EZFS_NO_SCRUB, /* no active scrub */
126 EZFS_DIFF, /* general failure of zfs diff */
127 EZFS_DIFFDATA, /* bad zfs diff data */
128 EZFS_POOLREADONLY, /* pool is in read-only mode */
129 EZFS_UNKNOWN
130 } zfs_error_t;
131
132 /*
133 * The following data structures are all part
134 * of the zfs_allow_t data structure which is
135 * used for printing 'allow' permissions.
136 * It is a linked list of zfs_allow_t's which
137 * then contain avl tree's for user/group/sets/...
138 * and each one of the entries in those trees have
139 * avl tree's for the permissions they belong to and
140 * whether they are local,descendent or local+descendent
141 * permissions. The AVL trees are used primarily for
142 * sorting purposes, but also so that we can quickly find
143 * a given user and or permission.
144 */
145 typedef struct zfs_perm_node {
146 avl_node_t z_node;
147 char z_pname[MAXPATHLEN];
148 } zfs_perm_node_t;
149
150 typedef struct zfs_allow_node {
151 avl_node_t z_node;
152 char z_key[MAXPATHLEN]; /* name, such as joe */
153 avl_tree_t z_localdescend; /* local+descendent perms */
154 avl_tree_t z_local; /* local permissions */
155 avl_tree_t z_descend; /* descendent permissions */
156 } zfs_allow_node_t;
157
158 typedef struct zfs_allow {
159 struct zfs_allow *z_next;
160 char z_setpoint[MAXPATHLEN];
161 avl_tree_t z_sets;
162 avl_tree_t z_crperms;
163 avl_tree_t z_user;
164 avl_tree_t z_group;
165 avl_tree_t z_everyone;
166 } zfs_allow_t;
167
168 /*
169 * Basic handle types
170 */
171 typedef struct zfs_handle zfs_handle_t;
172 typedef struct zpool_handle zpool_handle_t;
173 typedef struct libzfs_handle libzfs_handle_t;
174
175 /*
176 * Library initialization
177 */
178 extern libzfs_handle_t *libzfs_init(void);
179 extern void libzfs_fini(libzfs_handle_t *);
180
181 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *);
182 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *);
183
184 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t);
185
186 extern void zfs_save_arguments(int argc, char **, char *, int);
187 extern int zpool_log_history(libzfs_handle_t *, const char *);
188
189 extern int libzfs_errno(libzfs_handle_t *);
190 extern const char *libzfs_error_action(libzfs_handle_t *);
191 extern const char *libzfs_error_description(libzfs_handle_t *);
192 extern void libzfs_mnttab_init(libzfs_handle_t *);
193 extern void libzfs_mnttab_fini(libzfs_handle_t *);
194 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t);
195 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *,
196 struct mnttab *);
197 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *,
198 const char *, const char *);
199 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *);
200
201 /*
202 * Basic handle functions
203 */
204 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *);
205 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *);
206 extern void zpool_close(zpool_handle_t *);
207 extern const char *zpool_get_name(zpool_handle_t *);
208 extern int zpool_get_state(zpool_handle_t *);
209 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t);
210 extern void zpool_free_handles(libzfs_handle_t *);
211
212 /*
213 * Iterate over all active pools in the system.
214 */
215 typedef int (*zpool_iter_f)(zpool_handle_t *, void *);
216 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *);
217
218 /*
219 * Functions to create and destroy pools
220 */
221 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *,
222 nvlist_t *, nvlist_t *);
223 extern int zpool_destroy(zpool_handle_t *, const char *);
224 extern int zpool_add(zpool_handle_t *, nvlist_t *);
225
226 typedef struct splitflags {
227 /* do not split, but return the config that would be split off */
228 int dryrun : 1;
229
230 /* after splitting, import the pool */
231 int import : 1;
232 } splitflags_t;
233
234 /*
235 * Functions to manipulate pool and vdev state
236 */
237 extern int zpool_scan(zpool_handle_t *, pool_scan_func_t);
238 extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *);
239 extern int zpool_reguid(zpool_handle_t *);
240 extern int zpool_reopen(zpool_handle_t *);
241
242 extern int zpool_vdev_online(zpool_handle_t *, const char *, int,
243 vdev_state_t *);
244 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t);
245 extern int zpool_vdev_attach(zpool_handle_t *, const char *,
246 const char *, nvlist_t *, int);
247 extern int zpool_vdev_detach(zpool_handle_t *, const char *);
248 extern int zpool_vdev_remove(zpool_handle_t *, const char *);
249 extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *,
250 splitflags_t);
251
252 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t);
253 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t);
254 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t);
255
256 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *,
257 boolean_t *, boolean_t *);
258 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *,
259 boolean_t *, boolean_t *, boolean_t *);
260 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *);
261
262 /*
263 * Functions to manage pool properties
264 */
265 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *);
266 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *,
267 size_t proplen, zprop_source_t *);
268 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t,
269 zprop_source_t *);
270
271 extern const char *zpool_prop_to_name(zpool_prop_t);
272 extern const char *zpool_prop_values(zpool_prop_t);
273
274 /*
275 * Pool health statistics.
276 */
277 typedef enum {
278 /*
279 * The following correspond to faults as defined in the (fault.fs.zfs.*)
280 * event namespace. Each is associated with a corresponding message ID.
281 */
282 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */
283 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */
284 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */
285 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */
286 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */
287 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */
288 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */
289 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */
290 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */
291 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */
292 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */
293 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */
294 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */
295 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */
296
297 /*
298 * If the pool has unsupported features but can still be opened in
299 * read-only mode, its status is ZPOOL_STATUS_UNSUP_FEAT_WRITE. If the
300 * pool has unsupported features but cannot be opened at all, its
301 * status is ZPOOL_STATUS_UNSUP_FEAT_READ.
302 */
303 ZPOOL_STATUS_UNSUP_FEAT_READ, /* unsupported features for read */
304 ZPOOL_STATUS_UNSUP_FEAT_WRITE, /* unsupported features for write */
305
306 /*
307 * These faults have no corresponding message ID. At the time we are
308 * checking the status, the original reason for the FMA fault (I/O or
309 * checksum errors) has been lost.
310 */
311 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */
312 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */
313
314 /*
315 * The following are not faults per se, but still an error possibly
316 * requiring administrative attention. There is no corresponding
317 * message ID.
318 */
319 ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */
320 ZPOOL_STATUS_RESILVERING, /* device being resilvered */
321 ZPOOL_STATUS_OFFLINE_DEV, /* device online */
322 ZPOOL_STATUS_REMOVED_DEV, /* removed device */
323
324 /*
325 * Finally, the following indicates a healthy pool.
326 */
327 ZPOOL_STATUS_OK
328 } zpool_status_t;
329
330 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **);
331 extern zpool_status_t zpool_import_status(nvlist_t *, char **);
332 extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh);
333
334 /*
335 * Statistics and configuration functions.
336 */
337 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **);
338 extern nvlist_t *zpool_get_features(zpool_handle_t *);
339 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *);
340 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **);
341
342 /*
343 * Import and export functions
344 */
345 extern int zpool_export(zpool_handle_t *, boolean_t, const char *);
346 extern int zpool_export_force(zpool_handle_t *, const char *);
347 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *,
348 char *altroot);
349 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *,
350 nvlist_t *, int);
351 extern void zpool_print_unsup_feat(nvlist_t *config);
352
353 /*
354 * Search for pools to import
355 */
356
357 typedef struct importargs {
358 char **path; /* a list of paths to search */
359 int paths; /* number of paths to search */
360 char *poolname; /* name of a pool to find */
361 uint64_t guid; /* guid of a pool to find */
362 char *cachefile; /* cachefile to use for import */
363 int can_be_active : 1; /* can the pool be active? */
364 int unique : 1; /* does 'poolname' already exist? */
365 int exists : 1; /* set on return if pool already exists */
366 } importargs_t;
367
368 extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *);
369
370 /* legacy pool search routines */
371 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **);
372 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *,
373 char *, uint64_t);
374
375 /*
376 * Miscellaneous pool functions
377 */
378 struct zfs_cmd;
379
380 extern const char *zfs_history_event_names[];
381
382 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *,
383 boolean_t verbose);
384 extern int zpool_upgrade(zpool_handle_t *, uint64_t);
385 extern int zpool_get_history(zpool_handle_t *, nvlist_t **);
386 extern int zpool_history_unpack(char *, uint64_t, uint64_t *,
387 nvlist_t ***, uint_t *);
388 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *,
389 size_t len);
390 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *);
391 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t);
392 extern void zpool_explain_recover(libzfs_handle_t *, const char *, int,
393 nvlist_t *);
394
395 /*
396 * Basic handle manipulations. These functions do not create or destroy the
397 * underlying datasets, only the references to them.
398 */
399 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int);
400 extern zfs_handle_t *zfs_handle_dup(zfs_handle_t *);
401 extern void zfs_close(zfs_handle_t *);
402 extern zfs_type_t zfs_get_type(const zfs_handle_t *);
403 extern const char *zfs_get_name(const zfs_handle_t *);
404 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *);
405
406 /*
407 * Property management functions. Some functions are shared with the kernel,
408 * and are found in sys/fs/zfs.h.
409 */
410
411 /*
412 * zfs dataset property management
413 */
414 extern const char *zfs_prop_default_string(zfs_prop_t);
415 extern uint64_t zfs_prop_default_numeric(zfs_prop_t);
416 extern const char *zfs_prop_column_name(zfs_prop_t);
417 extern boolean_t zfs_prop_align_right(zfs_prop_t);
418
419 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t,
420 nvlist_t *, uint64_t, zfs_handle_t *, const char *);
421
422 extern const char *zfs_prop_to_name(zfs_prop_t);
423 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *);
424 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t,
425 zprop_source_t *, char *, size_t, boolean_t);
426 extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t,
427 boolean_t);
428 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *,
429 zprop_source_t *, char *, size_t);
430 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname,
431 uint64_t *propvalue);
432 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname,
433 char *propbuf, int proplen, boolean_t literal);
434 extern int zfs_prop_get_written_int(zfs_handle_t *zhp, const char *propname,
435 uint64_t *propvalue);
436 extern int zfs_prop_get_written(zfs_handle_t *zhp, const char *propname,
437 char *propbuf, int proplen, boolean_t literal);
438 extern int zfs_prop_get_feature(zfs_handle_t *zhp, const char *propname,
439 char *buf, size_t len);
440 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t);
441 extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t);
442 extern const char *zfs_prop_values(zfs_prop_t);
443 extern int zfs_prop_is_string(zfs_prop_t prop);
444 extern nvlist_t *zfs_get_user_props(zfs_handle_t *);
445 extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *);
446 extern nvlist_t *zfs_get_clones_nvl(zfs_handle_t *);
447
448
449 typedef struct zprop_list {
450 int pl_prop;
451 char *pl_user_prop;
452 struct zprop_list *pl_next;
453 boolean_t pl_all;
454 size_t pl_width;
455 size_t pl_recvd_width;
456 boolean_t pl_fixed;
457 } zprop_list_t;
458
459 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t);
460 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *);
461
462 #define ZFS_MOUNTPOINT_NONE "none"
463 #define ZFS_MOUNTPOINT_LEGACY "legacy"
464
465 #define ZFS_FEATURE_DISABLED "disabled"
466 #define ZFS_FEATURE_ENABLED "enabled"
467 #define ZFS_FEATURE_ACTIVE "active"
468
469 #define ZFS_UNSUPPORTED_INACTIVE "inactive"
470 #define ZFS_UNSUPPORTED_READONLY "readonly"
471
472 /*
473 * zpool property management
474 */
475 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **);
476 extern int zpool_prop_get_feature(zpool_handle_t *, const char *, char *,
477 size_t);
478 extern const char *zpool_prop_default_string(zpool_prop_t);
479 extern uint64_t zpool_prop_default_numeric(zpool_prop_t);
480 extern const char *zpool_prop_column_name(zpool_prop_t);
481 extern boolean_t zpool_prop_align_right(zpool_prop_t);
482
483 /*
484 * Functions shared by zfs and zpool property management.
485 */
486 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all,
487 boolean_t ordered, zfs_type_t type);
488 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **,
489 zfs_type_t);
490 extern void zprop_free_list(zprop_list_t *);
491
492 #define ZFS_GET_NCOLS 5
493
494 typedef enum {
495 GET_COL_NONE,
496 GET_COL_NAME,
497 GET_COL_PROPERTY,
498 GET_COL_VALUE,
499 GET_COL_RECVD,
500 GET_COL_SOURCE
501 } zfs_get_column_t;
502
503 /*
504 * Functions for printing zfs or zpool properties
505 */
506 typedef struct zprop_get_cbdata {
507 int cb_sources;
508 zfs_get_column_t cb_columns[ZFS_GET_NCOLS];
509 int cb_colwidths[ZFS_GET_NCOLS + 1];
510 boolean_t cb_scripted;
511 boolean_t cb_literal;
512 boolean_t cb_first;
513 zprop_list_t *cb_proplist;
514 zfs_type_t cb_type;
515 } zprop_get_cbdata_t;
516
517 void zprop_print_one_property(const char *, zprop_get_cbdata_t *,
518 const char *, const char *, zprop_source_t, const char *,
519 const char *);
520
521 /*
522 * Iterator functions.
523 */
524 typedef int (*zfs_iter_f)(zfs_handle_t *, void *);
525 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *);
526 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *);
527 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *);
528 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *);
529 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *);
530 extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *);
531 extern int zfs_iter_snapspec(zfs_handle_t *, const char *, zfs_iter_f, void *);
532
533 typedef struct get_all_cb {
534 zfs_handle_t **cb_handles;
535 size_t cb_alloc;
536 size_t cb_used;
537 boolean_t cb_verbose;
538 int (*cb_getone)(zfs_handle_t *, void *);
539 } get_all_cb_t;
540
541 void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *);
542 int libzfs_dataset_cmp(const void *, const void *);
543
544 /*
545 * Functions to create and destroy datasets.
546 */
547 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t,
548 nvlist_t *);
549 extern int zfs_create_ancestors(libzfs_handle_t *, const char *);
550 extern int zfs_destroy(zfs_handle_t *, boolean_t);
551 extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t);
552 extern int zfs_destroy_snaps_nvl(zfs_handle_t *, nvlist_t *, boolean_t);
553 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *);
554 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *);
555 extern int zfs_snapshot_nvl(libzfs_handle_t *hdl, nvlist_t *snaps,
556 nvlist_t *props);
557 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t);
558 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t, boolean_t);
559
560 typedef struct sendflags {
561 /* print informational messages (ie, -v was specified) */
562 boolean_t verbose;
563
564 /* recursive send (ie, -R) */
565 boolean_t replicate;
566
567 /* for incrementals, do all intermediate snapshots */
568 boolean_t doall;
569
570 /* if dataset is a clone, do incremental from its origin */
571 boolean_t fromorigin;
572
573 /* do deduplication */
574 boolean_t dedup;
575
576 /* send properties (ie, -p) */
577 boolean_t props;
578
579 /* do not send (no-op, ie. -n) */
580 boolean_t dryrun;
581
582 /* parsable verbose output (ie. -P) */
583 boolean_t parsable;
584
585 /* show progress (ie. -v) */
586 boolean_t progress;
587 } sendflags_t;
588
589 typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *);
590
591 extern int zfs_send(zfs_handle_t *, const char *, const char *,
592 sendflags_t *, int, snapfilter_cb_t, void *, nvlist_t **);
593
594 extern int zfs_promote(zfs_handle_t *);
595 extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t,
596 boolean_t, boolean_t, int, uint64_t, uint64_t);
597 extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t);
598 extern int zfs_get_holds(zfs_handle_t *, nvlist_t **);
599 extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *);
600
601 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain,
602 uid_t rid, uint64_t space);
603
604 extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t,
605 zfs_userspace_cb_t, void *);
606
607 extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **);
608 extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *);
609
610 typedef struct recvflags {
611 /* print informational messages (ie, -v was specified) */
612 boolean_t verbose;
613
614 /* the destination is a prefix, not the exact fs (ie, -d) */
615 boolean_t isprefix;
616
617 /*
618 * Only the tail of the sent snapshot path is appended to the
619 * destination to determine the received snapshot name (ie, -e).
620 */
621 boolean_t istail;
622
623 /* do not actually do the recv, just check if it would work (ie, -n) */
624 boolean_t dryrun;
625
626 /* rollback/destroy filesystems as necessary (eg, -F) */
627 boolean_t force;
628
629 /* set "canmount=off" on all modified filesystems */
630 boolean_t canmountoff;
631
632 /* byteswap flag is used internally; callers need not specify */
633 boolean_t byteswap;
634
635 /* do not mount file systems as they are extracted (private) */
636 boolean_t nomount;
637 } recvflags_t;
638
639 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t *,
640 int, avl_tree_t *);
641
642 typedef enum diff_flags {
643 ZFS_DIFF_PARSEABLE = 0x1,
644 ZFS_DIFF_TIMESTAMP = 0x2,
645 ZFS_DIFF_CLASSIFY = 0x4
646 } diff_flags_t;
647
648 extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *,
649 int);
650
651 /*
652 * Miscellaneous functions.
653 */
654 extern const char *zfs_type_to_name(zfs_type_t);
655 extern void zfs_refresh_properties(zfs_handle_t *);
656 extern int zfs_name_valid(const char *, zfs_type_t);
657 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t);
658 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *,
659 zfs_type_t);
660 extern int zfs_spa_version(zfs_handle_t *, int *);
661
662 /*
663 * Mount support functions.
664 */
665 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **);
666 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **);
667 extern int zfs_mount(zfs_handle_t *, const char *, int);
668 extern int zfs_unmount(zfs_handle_t *, const char *, int);
669 extern int zfs_unmountall(zfs_handle_t *, int);
670
671 /*
672 * Share support functions.
673 */
674 extern boolean_t zfs_is_shared(zfs_handle_t *);
675 extern int zfs_share(zfs_handle_t *);
676 extern int zfs_unshare(zfs_handle_t *);
677
678 /*
679 * Protocol-specific share support functions.
680 */
681 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **);
682 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **);
683 extern int zfs_share_nfs(zfs_handle_t *);
684 extern int zfs_share_smb(zfs_handle_t *);
685 extern int zfs_shareall(zfs_handle_t *);
686 extern int zfs_unshare_nfs(zfs_handle_t *, const char *);
687 extern int zfs_unshare_smb(zfs_handle_t *, const char *);
688 extern int zfs_unshareall_nfs(zfs_handle_t *);
689 extern int zfs_unshareall_smb(zfs_handle_t *);
690 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *);
691 extern int zfs_unshareall(zfs_handle_t *);
692 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *,
693 void *, void *, int, zfs_share_op_t);
694
695 /*
696 * When dealing with nvlists, verify() is extremely useful
697 */
698 #ifdef NDEBUG
699 #define verify(EX) ((void)(EX))
700 #else
701 #define verify(EX) assert(EX)
702 #endif
703
704 /*
705 * Utility function to convert a number to a human-readable form.
706 */
707 extern void zfs_nicenum(uint64_t, char *, size_t);
708 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *);
709
710 /*
711 * Given a device or file, determine if it is part of a pool.
712 */
713 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **,
714 boolean_t *);
715
716 /*
717 * Label manipulation.
718 */
719 extern int zpool_read_label(int, nvlist_t **);
720 extern int zpool_clear_label(int);
721
722 /* is this zvol valid for use as a dump device? */
723 extern int zvol_check_dump_config(char *);
724
725 /*
726 * Management interfaces for SMB ACL files
727 */
728
729 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *);
730 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *);
731 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *);
732 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *);
733
734 /*
735 * Enable and disable datasets within a pool by mounting/unmounting and
736 * sharing/unsharing them.
737 */
738 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int);
739 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t);
740
741 /*
742 * Mappings between vdev and FRU.
743 */
744 extern void libzfs_fru_refresh(libzfs_handle_t *);
745 extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *);
746 extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *);
747 extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *,
748 const char *);
749 extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *);
750 extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *);
751
752 #ifdef __cplusplus
753 }
754 #endif
755
756 #endif /* _LIBZFS_H */