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34dc7c2f BB |
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 | /* | |
428870ff | 23 | * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. |
3541dc6d GA |
24 | * Copyright 2011 Nexenta Systems, Inc. All rights reserved. |
25 | * Copyright (c) 2011 by Delphix. All rights reserved. | |
34dc7c2f BB |
26 | */ |
27 | ||
28 | #ifndef _LIBZFS_H | |
29 | #define _LIBZFS_H | |
30 | ||
34dc7c2f BB |
31 | #include <assert.h> |
32 | #include <libnvpair.h> | |
fb5f0bc8 | 33 | #include <sys/mnttab.h> |
34dc7c2f BB |
34 | #include <sys/param.h> |
35 | #include <sys/types.h> | |
36 | #include <sys/varargs.h> | |
37 | #include <sys/fs/zfs.h> | |
38 | #include <sys/avl.h> | |
39 | #include <ucred.h> | |
40 | ||
41 | #ifdef __cplusplus | |
42 | extern "C" { | |
43 | #endif | |
44 | ||
45 | /* | |
46 | * Miscellaneous ZFS constants | |
47 | */ | |
48 | #define ZFS_MAXNAMELEN MAXNAMELEN | |
49 | #define ZPOOL_MAXNAMELEN MAXNAMELEN | |
50 | #define ZFS_MAXPROPLEN MAXPATHLEN | |
51 | #define ZPOOL_MAXPROPLEN MAXPATHLEN | |
52 | ||
d603ed6c BB |
53 | /* |
54 | * Default device paths | |
55 | */ | |
56 | ||
57 | #if defined(__sun__) || defined(__sun) | |
58 | #define DISK_ROOT "/dev/dsk" | |
59 | #define RDISK_ROOT "/dev/rdsk" | |
60 | #define UDISK_ROOT RDISK_ROOT | |
61 | #define FIRST_SLICE "s0" | |
62 | #define BACKUP_SLICE "s2" | |
63 | #endif | |
64 | ||
65 | #ifdef __linux__ | |
66 | #define DISK_ROOT "/dev" | |
67 | #define RDISK_ROOT DISK_ROOT | |
68 | #define UDISK_ROOT "/dev/disk" | |
69 | #define FIRST_SLICE "1" | |
70 | #define BACKUP_SLICE "" | |
71 | #endif | |
72 | ||
34dc7c2f BB |
73 | /* |
74 | * libzfs errors | |
75 | */ | |
76 | enum { | |
77 | EZFS_NOMEM = 2000, /* out of memory */ | |
78 | EZFS_BADPROP, /* invalid property value */ | |
79 | EZFS_PROPREADONLY, /* cannot set readonly property */ | |
80 | EZFS_PROPTYPE, /* property does not apply to dataset type */ | |
81 | EZFS_PROPNONINHERIT, /* property is not inheritable */ | |
82 | EZFS_PROPSPACE, /* bad quota or reservation */ | |
83 | EZFS_BADTYPE, /* dataset is not of appropriate type */ | |
84 | EZFS_BUSY, /* pool or dataset is busy */ | |
85 | EZFS_EXISTS, /* pool or dataset already exists */ | |
86 | EZFS_NOENT, /* no such pool or dataset */ | |
87 | EZFS_BADSTREAM, /* bad backup stream */ | |
88 | EZFS_DSREADONLY, /* dataset is readonly */ | |
89 | EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */ | |
34dc7c2f BB |
90 | EZFS_INVALIDNAME, /* invalid dataset name */ |
91 | EZFS_BADRESTORE, /* unable to restore to destination */ | |
92 | EZFS_BADBACKUP, /* backup failed */ | |
93 | EZFS_BADTARGET, /* bad attach/detach/replace target */ | |
94 | EZFS_NODEVICE, /* no such device in pool */ | |
95 | EZFS_BADDEV, /* invalid device to add */ | |
96 | EZFS_NOREPLICAS, /* no valid replicas */ | |
97 | EZFS_RESILVERING, /* currently resilvering */ | |
98 | EZFS_BADVERSION, /* unsupported version */ | |
99 | EZFS_POOLUNAVAIL, /* pool is currently unavailable */ | |
100 | EZFS_DEVOVERFLOW, /* too many devices in one vdev */ | |
101 | EZFS_BADPATH, /* must be an absolute path */ | |
102 | EZFS_CROSSTARGET, /* rename or clone across pool or dataset */ | |
103 | EZFS_ZONED, /* used improperly in local zone */ | |
104 | EZFS_MOUNTFAILED, /* failed to mount dataset */ | |
105 | EZFS_UMOUNTFAILED, /* failed to unmount dataset */ | |
106 | EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */ | |
107 | EZFS_SHARENFSFAILED, /* share(1M) failed */ | |
34dc7c2f BB |
108 | EZFS_PERM, /* permission denied */ |
109 | EZFS_NOSPC, /* out of space */ | |
428870ff | 110 | EZFS_FAULT, /* bad address */ |
34dc7c2f BB |
111 | EZFS_IO, /* I/O error */ |
112 | EZFS_INTR, /* signal received */ | |
113 | EZFS_ISSPARE, /* device is a hot spare */ | |
114 | EZFS_INVALCONFIG, /* invalid vdev configuration */ | |
115 | EZFS_RECURSIVE, /* recursive dependency */ | |
116 | EZFS_NOHISTORY, /* no history object */ | |
34dc7c2f BB |
117 | EZFS_POOLPROPS, /* couldn't retrieve pool props */ |
118 | EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */ | |
119 | EZFS_POOL_INVALARG, /* invalid argument for this pool operation */ | |
120 | EZFS_NAMETOOLONG, /* dataset name is too long */ | |
121 | EZFS_OPENFAILED, /* open of device failed */ | |
122 | EZFS_NOCAP, /* couldn't get capacity */ | |
123 | EZFS_LABELFAILED, /* write of label failed */ | |
34dc7c2f BB |
124 | EZFS_BADWHO, /* invalid permission who */ |
125 | EZFS_BADPERM, /* invalid permission */ | |
126 | EZFS_BADPERMSET, /* invalid permission set name */ | |
127 | EZFS_NODELEGATION, /* delegated administration is disabled */ | |
34dc7c2f BB |
128 | EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */ |
129 | EZFS_SHARESMBFAILED, /* failed to share over smb */ | |
130 | EZFS_BADCACHE, /* bad cache file */ | |
131 | EZFS_ISL2CACHE, /* device is for the level 2 ARC */ | |
132 | EZFS_VDEVNOTSUP, /* unsupported vdev type */ | |
b128c09f BB |
133 | EZFS_NOTSUP, /* ops not supported on this dataset */ |
134 | EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */ | |
9babb374 | 135 | EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */ |
45d1cae3 BB |
136 | EZFS_REFTAG_RELE, /* snapshot release: tag not found */ |
137 | EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */ | |
428870ff BB |
138 | EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */ |
139 | EZFS_PIPEFAILED, /* pipe create failed */ | |
140 | EZFS_THREADCREATEFAILED, /* thread create failed */ | |
141 | EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */ | |
142 | EZFS_SCRUBBING, /* currently scrubbing */ | |
143 | EZFS_NO_SCRUB, /* no active scrub */ | |
572e2857 BB |
144 | EZFS_DIFF, /* general failure of zfs diff */ |
145 | EZFS_DIFFDATA, /* bad zfs diff data */ | |
146 | EZFS_POOLREADONLY, /* pool is in read-only mode */ | |
34dc7c2f BB |
147 | EZFS_UNKNOWN |
148 | }; | |
149 | ||
150 | /* | |
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. | |
162 | */ | |
163 | typedef struct zfs_perm_node { | |
164 | avl_node_t z_node; | |
165 | char z_pname[MAXPATHLEN]; | |
166 | } zfs_perm_node_t; | |
167 | ||
168 | typedef struct zfs_allow_node { | |
169 | avl_node_t z_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 */ | |
174 | } zfs_allow_node_t; | |
175 | ||
176 | typedef struct zfs_allow { | |
177 | struct zfs_allow *z_next; | |
178 | char z_setpoint[MAXPATHLEN]; | |
179 | avl_tree_t z_sets; | |
180 | avl_tree_t z_crperms; | |
181 | avl_tree_t z_user; | |
182 | avl_tree_t z_group; | |
183 | avl_tree_t z_everyone; | |
184 | } zfs_allow_t; | |
185 | ||
186 | /* | |
187 | * Basic handle types | |
188 | */ | |
189 | typedef struct zfs_handle zfs_handle_t; | |
190 | typedef struct zpool_handle zpool_handle_t; | |
191 | typedef struct libzfs_handle libzfs_handle_t; | |
192 | ||
193 | /* | |
194 | * Library initialization | |
195 | */ | |
196 | extern libzfs_handle_t *libzfs_init(void); | |
197 | extern void libzfs_fini(libzfs_handle_t *); | |
198 | ||
199 | extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); | |
200 | extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); | |
201 | ||
202 | extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); | |
203 | ||
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 *); | |
fb5f0bc8 BB |
207 | extern void libzfs_mnttab_init(libzfs_handle_t *); |
208 | extern void libzfs_mnttab_fini(libzfs_handle_t *); | |
9babb374 | 209 | extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); |
fb5f0bc8 BB |
210 | extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, |
211 | struct mnttab *); | |
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 *); | |
34dc7c2f BB |
215 | |
216 | /* | |
217 | * Basic handle functions | |
218 | */ | |
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); | |
b128c09f | 225 | extern void zpool_free_handles(libzfs_handle_t *); |
34dc7c2f BB |
226 | |
227 | /* | |
228 | * Iterate over all active pools in the system. | |
229 | */ | |
230 | typedef int (*zpool_iter_f)(zpool_handle_t *, void *); | |
231 | extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); | |
232 | ||
233 | /* | |
234 | * Functions to create and destroy pools | |
235 | */ | |
236 | extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, | |
b128c09f | 237 | nvlist_t *, nvlist_t *); |
34dc7c2f BB |
238 | extern int zpool_destroy(zpool_handle_t *); |
239 | extern int zpool_add(zpool_handle_t *, nvlist_t *); | |
240 | ||
428870ff BB |
241 | typedef struct splitflags { |
242 | /* do not split, but return the config that would be split off */ | |
243 | int dryrun : 1; | |
244 | ||
245 | /* after splitting, import the pool */ | |
246 | int import : 1; | |
247 | } splitflags_t; | |
248 | ||
34dc7c2f BB |
249 | /* |
250 | * Functions to manipulate pool and vdev state | |
251 | */ | |
428870ff BB |
252 | extern int zpool_scan(zpool_handle_t *, pool_scan_func_t); |
253 | extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *); | |
3541dc6d | 254 | extern int zpool_reguid(zpool_handle_t *); |
34dc7c2f BB |
255 | |
256 | extern int zpool_vdev_online(zpool_handle_t *, const char *, int, | |
257 | vdev_state_t *); | |
258 | extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); | |
259 | extern int zpool_vdev_attach(zpool_handle_t *, const char *, | |
260 | const char *, nvlist_t *, int); | |
261 | extern int zpool_vdev_detach(zpool_handle_t *, const char *); | |
262 | extern int zpool_vdev_remove(zpool_handle_t *, const char *); | |
428870ff BB |
263 | extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *, |
264 | splitflags_t); | |
34dc7c2f | 265 | |
428870ff BB |
266 | extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t); |
267 | extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t); | |
34dc7c2f BB |
268 | extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); |
269 | ||
270 | extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, | |
b128c09f | 271 | boolean_t *, boolean_t *); |
9babb374 BB |
272 | extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *, |
273 | boolean_t *, boolean_t *, boolean_t *); | |
d603ed6c | 274 | extern int zpool_label_disk_wait(char *, int); |
34dc7c2f BB |
275 | extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); |
276 | ||
277 | /* | |
278 | * Functions to manage pool properties | |
279 | */ | |
280 | extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); | |
281 | extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, | |
282 | size_t proplen, zprop_source_t *); | |
283 | extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, | |
284 | zprop_source_t *); | |
285 | ||
286 | extern const char *zpool_prop_to_name(zpool_prop_t); | |
287 | extern const char *zpool_prop_values(zpool_prop_t); | |
288 | ||
289 | /* | |
290 | * Pool health statistics. | |
291 | */ | |
292 | typedef enum { | |
293 | /* | |
294 | * The following correspond to faults as defined in the (fault.fs.zfs.*) | |
295 | * event namespace. Each is associated with a corresponding message ID. | |
296 | */ | |
297 | ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */ | |
298 | ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */ | |
299 | ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */ | |
300 | ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */ | |
301 | ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */ | |
302 | ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */ | |
303 | ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */ | |
304 | ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */ | |
305 | ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */ | |
306 | ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */ | |
307 | ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */ | |
b128c09f BB |
308 | ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */ |
309 | ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */ | |
d164b209 BB |
310 | ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */ |
311 | ||
312 | /* | |
313 | * These faults have no corresponding message ID. At the time we are | |
314 | * checking the status, the original reason for the FMA fault (I/O or | |
315 | * checksum errors) has been lost. | |
316 | */ | |
34dc7c2f BB |
317 | ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */ |
318 | ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */ | |
319 | ||
320 | /* | |
321 | * The following are not faults per se, but still an error possibly | |
322 | * requiring administrative attention. There is no corresponding | |
323 | * message ID. | |
324 | */ | |
325 | ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */ | |
326 | ZPOOL_STATUS_RESILVERING, /* device being resilvered */ | |
327 | ZPOOL_STATUS_OFFLINE_DEV, /* device online */ | |
45d1cae3 | 328 | ZPOOL_STATUS_REMOVED_DEV, /* removed device */ |
34dc7c2f BB |
329 | |
330 | /* | |
331 | * Finally, the following indicates a healthy pool. | |
332 | */ | |
333 | ZPOOL_STATUS_OK | |
334 | } zpool_status_t; | |
335 | ||
336 | extern zpool_status_t zpool_get_status(zpool_handle_t *, char **); | |
337 | extern zpool_status_t zpool_import_status(nvlist_t *, char **); | |
428870ff | 338 | extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh); |
34dc7c2f BB |
339 | |
340 | /* | |
341 | * Statistics and configuration functions. | |
342 | */ | |
343 | extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); | |
344 | extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); | |
345 | extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); | |
346 | ||
347 | /* | |
348 | * Import and export functions | |
349 | */ | |
b128c09f | 350 | extern int zpool_export(zpool_handle_t *, boolean_t); |
fb5f0bc8 | 351 | extern int zpool_export_force(zpool_handle_t *); |
34dc7c2f BB |
352 | extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, |
353 | char *altroot); | |
354 | extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *, | |
572e2857 | 355 | nvlist_t *, int); |
34dc7c2f BB |
356 | |
357 | /* | |
358 | * Search for pools to import | |
359 | */ | |
428870ff BB |
360 | |
361 | typedef struct importargs { | |
362 | char **path; /* a list of paths to search */ | |
363 | int paths; /* number of paths to search */ | |
364 | char *poolname; /* name of a pool to find */ | |
365 | uint64_t guid; /* guid of a pool to find */ | |
366 | char *cachefile; /* cachefile to use for import */ | |
367 | int can_be_active : 1; /* can the pool be active? */ | |
368 | int unique : 1; /* does 'poolname' already exist? */ | |
369 | int exists : 1; /* set on return if pool already exists */ | |
370 | } importargs_t; | |
371 | ||
372 | extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *); | |
373 | ||
374 | /* legacy pool search routines */ | |
b128c09f | 375 | extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); |
34dc7c2f | 376 | extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, |
b128c09f | 377 | char *, uint64_t); |
34dc7c2f BB |
378 | |
379 | /* | |
380 | * Miscellaneous pool functions | |
381 | */ | |
382 | struct zfs_cmd; | |
383 | ||
428870ff BB |
384 | extern const char *zfs_history_event_names[LOG_END]; |
385 | ||
386 | extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *, | |
387 | boolean_t verbose); | |
34dc7c2f BB |
388 | extern int zpool_upgrade(zpool_handle_t *, uint64_t); |
389 | extern int zpool_get_history(zpool_handle_t *, nvlist_t **); | |
428870ff BB |
390 | extern int zpool_history_unpack(char *, uint64_t, uint64_t *, |
391 | nvlist_t ***, uint_t *); | |
34dc7c2f BB |
392 | extern void zpool_set_history_str(const char *subcommand, int argc, |
393 | char **argv, char *history_str); | |
394 | extern int zpool_stage_history(libzfs_handle_t *, const char *); | |
26685276 BB |
395 | extern int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, int, int); |
396 | extern int zpool_events_clear(libzfs_handle_t *, int *); | |
34dc7c2f BB |
397 | extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, |
398 | size_t len); | |
399 | extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); | |
9babb374 | 400 | extern int zpool_get_physpath(zpool_handle_t *, char *, size_t); |
428870ff BB |
401 | extern void zpool_explain_recover(libzfs_handle_t *, const char *, int, |
402 | nvlist_t *); | |
9babb374 | 403 | |
34dc7c2f BB |
404 | /* |
405 | * Basic handle manipulations. These functions do not create or destroy the | |
406 | * underlying datasets, only the references to them. | |
407 | */ | |
408 | extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); | |
409 | extern void zfs_close(zfs_handle_t *); | |
410 | extern zfs_type_t zfs_get_type(const zfs_handle_t *); | |
411 | extern const char *zfs_get_name(const zfs_handle_t *); | |
b128c09f | 412 | extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *); |
34dc7c2f BB |
413 | |
414 | /* | |
415 | * Property management functions. Some functions are shared with the kernel, | |
416 | * and are found in sys/fs/zfs.h. | |
417 | */ | |
418 | ||
419 | /* | |
420 | * zfs dataset property management | |
421 | */ | |
422 | extern const char *zfs_prop_default_string(zfs_prop_t); | |
423 | extern uint64_t zfs_prop_default_numeric(zfs_prop_t); | |
424 | extern const char *zfs_prop_column_name(zfs_prop_t); | |
425 | extern boolean_t zfs_prop_align_right(zfs_prop_t); | |
426 | ||
b128c09f BB |
427 | extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, |
428 | nvlist_t *, uint64_t, zfs_handle_t *, const char *); | |
429 | ||
34dc7c2f BB |
430 | extern const char *zfs_prop_to_name(zfs_prop_t); |
431 | extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); | |
432 | extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, | |
433 | zprop_source_t *, char *, size_t, boolean_t); | |
428870ff BB |
434 | extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t, |
435 | boolean_t); | |
34dc7c2f BB |
436 | extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, |
437 | zprop_source_t *, char *, size_t); | |
9babb374 BB |
438 | extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, |
439 | uint64_t *propvalue); | |
440 | extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, | |
441 | char *propbuf, int proplen, boolean_t literal); | |
2cf7f52b | 442 | extern uint64_t getprop_uint64(zfs_handle_t *, zfs_prop_t, char **); |
34dc7c2f | 443 | extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); |
428870ff | 444 | extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t); |
34dc7c2f BB |
445 | extern const char *zfs_prop_values(zfs_prop_t); |
446 | extern int zfs_prop_is_string(zfs_prop_t prop); | |
447 | extern nvlist_t *zfs_get_user_props(zfs_handle_t *); | |
428870ff | 448 | extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *); |
34dc7c2f BB |
449 | |
450 | typedef struct zprop_list { | |
451 | int pl_prop; | |
452 | char *pl_user_prop; | |
453 | struct zprop_list *pl_next; | |
454 | boolean_t pl_all; | |
455 | size_t pl_width; | |
428870ff | 456 | size_t pl_recvd_width; |
34dc7c2f BB |
457 | boolean_t pl_fixed; |
458 | } zprop_list_t; | |
459 | ||
428870ff | 460 | extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t); |
9babb374 | 461 | extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *); |
34dc7c2f BB |
462 | |
463 | #define ZFS_MOUNTPOINT_NONE "none" | |
464 | #define ZFS_MOUNTPOINT_LEGACY "legacy" | |
465 | ||
466 | /* | |
467 | * zpool property management | |
468 | */ | |
469 | extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); | |
470 | extern const char *zpool_prop_default_string(zpool_prop_t); | |
471 | extern uint64_t zpool_prop_default_numeric(zpool_prop_t); | |
472 | extern const char *zpool_prop_column_name(zpool_prop_t); | |
473 | extern boolean_t zpool_prop_align_right(zpool_prop_t); | |
474 | ||
475 | /* | |
476 | * Functions shared by zfs and zpool property management. | |
477 | */ | |
478 | extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, | |
479 | boolean_t ordered, zfs_type_t type); | |
480 | extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, | |
481 | zfs_type_t); | |
482 | extern void zprop_free_list(zprop_list_t *); | |
483 | ||
428870ff BB |
484 | #define ZFS_GET_NCOLS 5 |
485 | ||
486 | typedef enum { | |
487 | GET_COL_NONE, | |
488 | GET_COL_NAME, | |
489 | GET_COL_PROPERTY, | |
490 | GET_COL_VALUE, | |
491 | GET_COL_RECVD, | |
492 | GET_COL_SOURCE | |
493 | } zfs_get_column_t; | |
494 | ||
34dc7c2f BB |
495 | /* |
496 | * Functions for printing zfs or zpool properties | |
497 | */ | |
498 | typedef struct zprop_get_cbdata { | |
499 | int cb_sources; | |
428870ff BB |
500 | zfs_get_column_t cb_columns[ZFS_GET_NCOLS]; |
501 | int cb_colwidths[ZFS_GET_NCOLS + 1]; | |
34dc7c2f BB |
502 | boolean_t cb_scripted; |
503 | boolean_t cb_literal; | |
504 | boolean_t cb_first; | |
505 | zprop_list_t *cb_proplist; | |
506 | zfs_type_t cb_type; | |
507 | } zprop_get_cbdata_t; | |
508 | ||
509 | void zprop_print_one_property(const char *, zprop_get_cbdata_t *, | |
428870ff BB |
510 | const char *, const char *, zprop_source_t, const char *, |
511 | const char *); | |
34dc7c2f BB |
512 | |
513 | /* | |
514 | * Iterator functions. | |
515 | */ | |
516 | typedef int (*zfs_iter_f)(zfs_handle_t *, void *); | |
517 | extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); | |
518 | extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); | |
519 | extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); | |
520 | extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); | |
0cee2406 | 521 | extern int zfs_iter_snapshots(zfs_handle_t *, boolean_t, zfs_iter_f, void *); |
428870ff | 522 | extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *); |
34dc7c2f | 523 | |
572e2857 BB |
524 | typedef struct get_all_cb { |
525 | zfs_handle_t **cb_handles; | |
526 | size_t cb_alloc; | |
527 | size_t cb_used; | |
528 | boolean_t cb_verbose; | |
529 | int (*cb_getone)(zfs_handle_t *, void *); | |
530 | } get_all_cb_t; | |
531 | ||
532 | void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *); | |
533 | int libzfs_dataset_cmp(const void *, const void *); | |
534 | ||
34dc7c2f BB |
535 | /* |
536 | * Functions to create and destroy datasets. | |
537 | */ | |
538 | extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, | |
539 | nvlist_t *); | |
540 | extern int zfs_create_ancestors(libzfs_handle_t *, const char *); | |
45d1cae3 BB |
541 | extern int zfs_destroy(zfs_handle_t *, boolean_t); |
542 | extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t); | |
34dc7c2f | 543 | extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); |
b128c09f | 544 | extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); |
34dc7c2f BB |
545 | extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); |
546 | extern int zfs_rename(zfs_handle_t *, const char *, boolean_t); | |
428870ff BB |
547 | |
548 | typedef struct sendflags { | |
549 | /* print informational messages (ie, -v was specified) */ | |
550 | int verbose : 1; | |
551 | ||
552 | /* recursive send (ie, -R) */ | |
553 | int replicate : 1; | |
554 | ||
555 | /* for incrementals, do all intermediate snapshots */ | |
556 | int doall : 1; /* (ie, -I) */ | |
557 | ||
558 | /* if dataset is a clone, do incremental from its origin */ | |
559 | int fromorigin : 1; | |
560 | ||
561 | /* do deduplication */ | |
562 | int dedup : 1; | |
563 | ||
564 | /* send properties (ie, -p) */ | |
565 | int props : 1; | |
566 | } sendflags_t; | |
567 | ||
568 | typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *); | |
569 | ||
570 | extern int zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap, | |
571 | sendflags_t flags, int outfd, snapfilter_cb_t filter_func, | |
572 | void *cb_arg, nvlist_t **debugnvp); | |
573 | ||
34dc7c2f | 574 | extern int zfs_promote(zfs_handle_t *); |
428870ff | 575 | extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t, |
572e2857 | 576 | boolean_t, boolean_t, int, uint64_t, uint64_t); |
45d1cae3 | 577 | extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t); |
0b7936d5 | 578 | extern int zfs_get_holds(zfs_handle_t *, nvlist_t **); |
428870ff | 579 | extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *); |
34dc7c2f | 580 | |
9babb374 BB |
581 | typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain, |
582 | uid_t rid, uint64_t space); | |
583 | ||
0b7936d5 AS |
584 | extern int zfs_userspace(zfs_handle_t *, zfs_userquota_prop_t, |
585 | zfs_userspace_cb_t, void *); | |
586 | ||
587 | extern int zfs_get_fsacl(zfs_handle_t *, nvlist_t **); | |
588 | extern int zfs_set_fsacl(zfs_handle_t *, boolean_t, nvlist_t *); | |
9babb374 | 589 | |
34dc7c2f BB |
590 | typedef struct recvflags { |
591 | /* print informational messages (ie, -v was specified) */ | |
592 | int verbose : 1; | |
593 | ||
594 | /* the destination is a prefix, not the exact fs (ie, -d) */ | |
595 | int isprefix : 1; | |
596 | ||
428870ff BB |
597 | /* |
598 | * Only the tail of the sent snapshot path is appended to the | |
599 | * destination to determine the received snapshot name (ie, -e). | |
600 | */ | |
601 | int istail : 1; | |
602 | ||
34dc7c2f BB |
603 | /* do not actually do the recv, just check if it would work (ie, -n) */ |
604 | int dryrun : 1; | |
605 | ||
606 | /* rollback/destroy filesystems as necessary (eg, -F) */ | |
607 | int force : 1; | |
608 | ||
609 | /* set "canmount=off" on all modified filesystems */ | |
610 | int canmountoff : 1; | |
611 | ||
612 | /* byteswap flag is used internally; callers need not specify */ | |
613 | int byteswap : 1; | |
d164b209 BB |
614 | |
615 | /* do not mount file systems as they are extracted (private) */ | |
616 | int nomount : 1; | |
34dc7c2f BB |
617 | } recvflags_t; |
618 | ||
619 | extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t, | |
620 | int, avl_tree_t *); | |
621 | ||
572e2857 BB |
622 | typedef enum diff_flags { |
623 | ZFS_DIFF_PARSEABLE = 0x1, | |
624 | ZFS_DIFF_TIMESTAMP = 0x2, | |
625 | ZFS_DIFF_CLASSIFY = 0x4 | |
626 | } diff_flags_t; | |
627 | ||
628 | extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *, | |
629 | int); | |
630 | ||
34dc7c2f BB |
631 | /* |
632 | * Miscellaneous functions. | |
633 | */ | |
634 | extern const char *zfs_type_to_name(zfs_type_t); | |
635 | extern void zfs_refresh_properties(zfs_handle_t *); | |
636 | extern int zfs_name_valid(const char *, zfs_type_t); | |
637 | extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); | |
638 | extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, | |
639 | zfs_type_t); | |
640 | extern int zfs_spa_version(zfs_handle_t *, int *); | |
79e7242a NB |
641 | extern void zfs_append_partition(const char *path, char *buf, size_t buflen); |
642 | extern int zfs_resolve_shortname(const char *name, char *path, size_t pathlen); | |
34dc7c2f | 643 | |
34dc7c2f BB |
644 | /* |
645 | * Mount support functions. | |
646 | */ | |
647 | extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); | |
648 | extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); | |
649 | extern int zfs_mount(zfs_handle_t *, const char *, int); | |
650 | extern int zfs_unmount(zfs_handle_t *, const char *, int); | |
651 | extern int zfs_unmountall(zfs_handle_t *, int); | |
652 | ||
653 | /* | |
654 | * Share support functions. | |
655 | */ | |
656 | extern boolean_t zfs_is_shared(zfs_handle_t *); | |
657 | extern int zfs_share(zfs_handle_t *); | |
658 | extern int zfs_unshare(zfs_handle_t *); | |
659 | ||
660 | /* | |
661 | * Protocol-specific share support functions. | |
662 | */ | |
663 | extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); | |
664 | extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); | |
665 | extern int zfs_share_nfs(zfs_handle_t *); | |
666 | extern int zfs_share_smb(zfs_handle_t *); | |
667 | extern int zfs_shareall(zfs_handle_t *); | |
668 | extern int zfs_unshare_nfs(zfs_handle_t *, const char *); | |
669 | extern int zfs_unshare_smb(zfs_handle_t *, const char *); | |
670 | extern int zfs_unshareall_nfs(zfs_handle_t *); | |
671 | extern int zfs_unshareall_smb(zfs_handle_t *); | |
672 | extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); | |
673 | extern int zfs_unshareall(zfs_handle_t *); | |
9babb374 | 674 | extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *, |
34dc7c2f BB |
675 | void *, void *, int, zfs_share_op_t); |
676 | ||
34dc7c2f BB |
677 | /* |
678 | * Utility function to convert a number to a human-readable form. | |
679 | */ | |
680 | extern void zfs_nicenum(uint64_t, char *, size_t); | |
681 | extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *); | |
682 | ||
feb46b92 BB |
683 | /* |
684 | * Utility functions to run an external process. | |
685 | */ | |
9ac97c2a BB |
686 | #define STDOUT_VERBOSE 0x01 |
687 | #define STDERR_VERBOSE 0x02 | |
688 | ||
689 | int libzfs_run_process(const char *, char **, int flags); | |
feb46b92 BB |
690 | int libzfs_load_module(const char *); |
691 | ||
34dc7c2f BB |
692 | /* |
693 | * Given a device or file, determine if it is part of a pool. | |
694 | */ | |
695 | extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **, | |
696 | boolean_t *); | |
697 | ||
698 | /* | |
428870ff | 699 | * Label manipulation. |
34dc7c2f BB |
700 | */ |
701 | extern int zpool_read_label(int, nvlist_t **); | |
428870ff | 702 | extern int zpool_clear_label(int); |
34dc7c2f | 703 | |
9babb374 BB |
704 | /* |
705 | * Management interfaces for SMB ACL files | |
706 | */ | |
707 | ||
708 | int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); | |
709 | int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); | |
710 | int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); | |
711 | int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *); | |
712 | ||
34dc7c2f BB |
713 | /* |
714 | * Enable and disable datasets within a pool by mounting/unmounting and | |
715 | * sharing/unsharing them. | |
716 | */ | |
717 | extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); | |
718 | extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); | |
719 | ||
428870ff BB |
720 | /* |
721 | * Mappings between vdev and FRU. | |
722 | */ | |
723 | extern void libzfs_fru_refresh(libzfs_handle_t *); | |
724 | extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *); | |
725 | extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *); | |
726 | extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *, | |
727 | const char *); | |
728 | extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *); | |
729 | extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *); | |
730 | ||
34dc7c2f BB |
731 | #ifdef __cplusplus |
732 | } | |
733 | #endif | |
734 | ||
735 | #endif /* _LIBZFS_H */ |