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 2009 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _LIBZFS_H 28 #define _LIBZFS_H 29 30 #include <assert.h> 31 #include <libnvpair.h> 32 #include <sys/mnttab.h> 33 #include <sys/param.h> 34 #include <sys/types.h> 35 #include <sys/varargs.h> 36 #include <sys/fs/zfs.h> 37 #include <sys/avl.h> 38 #include <ucred.h> 39 40 #ifdef __cplusplus 41 extern "C" { 42 #endif 43 44 /* 45 * Miscellaneous ZFS constants 46 */ 47 #define ZFS_MAXNAMELEN MAXNAMELEN 48 #define ZPOOL_MAXNAMELEN MAXNAMELEN 49 #define ZFS_MAXPROPLEN MAXPATHLEN 50 #define ZPOOL_MAXPROPLEN MAXPATHLEN 51 52 /* 53 * libzfs errors 54 */ 55 enum { 56 EZFS_NOMEM = 2000, /* out of memory */ 57 EZFS_BADPROP, /* invalid property value */ 58 EZFS_PROPREADONLY, /* cannot set readonly property */ 59 EZFS_PROPTYPE, /* property does not apply to dataset type */ 60 EZFS_PROPNONINHERIT, /* property is not inheritable */ 61 EZFS_PROPSPACE, /* bad quota or reservation */ 62 EZFS_BADTYPE, /* dataset is not of appropriate type */ 63 EZFS_BUSY, /* pool or dataset is busy */ 64 EZFS_EXISTS, /* pool or dataset already exists */ 65 EZFS_NOENT, /* no such pool or dataset */ 66 EZFS_BADSTREAM, /* bad backup stream */ 67 EZFS_DSREADONLY, /* dataset is readonly */ 68 EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */ 69 EZFS_VOLHASDATA, /* volume already contains data */ 70 EZFS_INVALIDNAME, /* invalid dataset name */ 71 EZFS_BADRESTORE, /* unable to restore to destination */ 72 EZFS_BADBACKUP, /* backup failed */ 73 EZFS_BADTARGET, /* bad attach/detach/replace target */ 74 EZFS_NODEVICE, /* no such device in pool */ 75 EZFS_BADDEV, /* invalid device to add */ 76 EZFS_NOREPLICAS, /* no valid replicas */ 77 EZFS_RESILVERING, /* currently resilvering */ 78 EZFS_BADVERSION, /* unsupported version */ 79 EZFS_POOLUNAVAIL, /* pool is currently unavailable */ 80 EZFS_DEVOVERFLOW, /* too many devices in one vdev */ 81 EZFS_BADPATH, /* must be an absolute path */ 82 EZFS_CROSSTARGET, /* rename or clone across pool or dataset */ 83 EZFS_ZONED, /* used improperly in local zone */ 84 EZFS_MOUNTFAILED, /* failed to mount dataset */ 85 EZFS_UMOUNTFAILED, /* failed to unmount dataset */ 86 EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */ 87 EZFS_SHARENFSFAILED, /* share(1M) failed */ 88 EZFS_DEVLINKS, /* failed to create zvol links */ 89 EZFS_PERM, /* permission denied */ 90 EZFS_NOSPC, /* out of space */ 91 EZFS_IO, /* I/O error */ 92 EZFS_INTR, /* signal received */ 93 EZFS_ISSPARE, /* device is a hot spare */ 94 EZFS_INVALCONFIG, /* invalid vdev configuration */ 95 EZFS_RECURSIVE, /* recursive dependency */ 96 EZFS_NOHISTORY, /* no history object */ 97 EZFS_UNSHAREISCSIFAILED, /* iscsitgtd failed request to unshare */ 98 EZFS_SHAREISCSIFAILED, /* iscsitgtd failed request to share */ 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_ISCSISVCUNAVAIL, /* iscsi service unavailable */ 107 EZFS_BADWHO, /* invalid permission who */ 108 EZFS_BADPERM, /* invalid permission */ 109 EZFS_BADPERMSET, /* invalid permission set name */ 110 EZFS_NODELEGATION, /* delegated administration is disabled */ 111 EZFS_PERMRDONLY, /* pemissions are readonly */ 112 EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */ 113 EZFS_SHARESMBFAILED, /* failed to share over smb */ 114 EZFS_BADCACHE, /* bad cache file */ 115 EZFS_ISL2CACHE, /* device is for the level 2 ARC */ 116 EZFS_VDEVNOTSUP, /* unsupported vdev type */ 117 EZFS_NOTSUP, /* ops not supported on this dataset */ 118 EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */ 119 EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */ 120 EZFS_UNKNOWN 121 }; 122 123 /* 124 * The following data structures are all part 125 * of the zfs_allow_t data structure which is 126 * used for printing 'allow' permissions. 127 * It is a linked list of zfs_allow_t's which 128 * then contain avl tree's for user/group/sets/... 129 * and each one of the entries in those trees have 130 * avl tree's for the permissions they belong to and 131 * whether they are local,descendent or local+descendent 132 * permissions. The AVL trees are used primarily for 133 * sorting purposes, but also so that we can quickly find 134 * a given user and or permission. 135 */ 136 typedef struct zfs_perm_node { 137 avl_node_t z_node; 138 char z_pname[MAXPATHLEN]; 139 } zfs_perm_node_t; 140 141 typedef struct zfs_allow_node { 142 avl_node_t z_node; 143 char z_key[MAXPATHLEN]; /* name, such as joe */ 144 avl_tree_t z_localdescend; /* local+descendent perms */ 145 avl_tree_t z_local; /* local permissions */ 146 avl_tree_t z_descend; /* descendent permissions */ 147 } zfs_allow_node_t; 148 149 typedef struct zfs_allow { 150 struct zfs_allow *z_next; 151 char z_setpoint[MAXPATHLEN]; 152 avl_tree_t z_sets; 153 avl_tree_t z_crperms; 154 avl_tree_t z_user; 155 avl_tree_t z_group; 156 avl_tree_t z_everyone; 157 } zfs_allow_t; 158 159 /* 160 * Basic handle types 161 */ 162 typedef struct zfs_handle zfs_handle_t; 163 typedef struct zpool_handle zpool_handle_t; 164 typedef struct libzfs_handle libzfs_handle_t; 165 166 /* 167 * Library initialization 168 */ 169 extern libzfs_handle_t *libzfs_init(void); 170 extern void libzfs_fini(libzfs_handle_t *); 171 172 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); 173 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); 174 175 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); 176 177 extern int libzfs_errno(libzfs_handle_t *); 178 extern const char *libzfs_error_action(libzfs_handle_t *); 179 extern const char *libzfs_error_description(libzfs_handle_t *); 180 extern void libzfs_mnttab_init(libzfs_handle_t *); 181 extern void libzfs_mnttab_fini(libzfs_handle_t *); 182 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); 183 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, 184 struct mnttab *); 185 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *, 186 const char *, const char *); 187 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *); 188 189 /* 190 * Basic handle functions 191 */ 192 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *); 193 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *); 194 extern void zpool_close(zpool_handle_t *); 195 extern const char *zpool_get_name(zpool_handle_t *); 196 extern int zpool_get_state(zpool_handle_t *); 197 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t); 198 extern void zpool_free_handles(libzfs_handle_t *); 199 200 /* 201 * Iterate over all active pools in the system. 202 */ 203 typedef int (*zpool_iter_f)(zpool_handle_t *, void *); 204 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); 205 206 /* 207 * Functions to create and destroy pools 208 */ 209 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, 210 nvlist_t *, nvlist_t *); 211 extern int zpool_destroy(zpool_handle_t *); 212 extern int zpool_add(zpool_handle_t *, nvlist_t *); 213 214 /* 215 * Functions to manipulate pool and vdev state 216 */ 217 extern int zpool_scrub(zpool_handle_t *, pool_scrub_type_t); 218 extern int zpool_clear(zpool_handle_t *, const char *); 219 220 extern int zpool_vdev_online(zpool_handle_t *, const char *, int, 221 vdev_state_t *); 222 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); 223 extern int zpool_vdev_attach(zpool_handle_t *, const char *, 224 const char *, nvlist_t *, int); 225 extern int zpool_vdev_detach(zpool_handle_t *, const char *); 226 extern int zpool_vdev_remove(zpool_handle_t *, const char *); 227 228 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t); 229 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t); 230 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); 231 232 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, 233 boolean_t *, boolean_t *); 234 extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *, 235 boolean_t *, boolean_t *, boolean_t *); 236 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); 237 238 /* 239 * Functions to manage pool properties 240 */ 241 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); 242 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, 243 size_t proplen, zprop_source_t *); 244 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, 245 zprop_source_t *); 246 247 extern const char *zpool_prop_to_name(zpool_prop_t); 248 extern const char *zpool_prop_values(zpool_prop_t); 249 250 /* 251 * Pool health statistics. 252 */ 253 typedef enum { 254 /* 255 * The following correspond to faults as defined in the (fault.fs.zfs.*) 256 * event namespace. Each is associated with a corresponding message ID. 257 */ 258 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */ 259 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */ 260 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */ 261 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */ 262 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */ 263 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */ 264 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */ 265 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */ 266 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */ 267 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */ 268 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */ 269 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */ 270 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */ 271 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */ 272 273 /* 274 * These faults have no corresponding message ID. At the time we are 275 * checking the status, the original reason for the FMA fault (I/O or 276 * checksum errors) has been lost. 277 */ 278 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */ 279 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */ 280 281 /* 282 * The following are not faults per se, but still an error possibly 283 * requiring administrative attention. There is no corresponding 284 * message ID. 285 */ 286 ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */ 287 ZPOOL_STATUS_RESILVERING, /* device being resilvered */ 288 ZPOOL_STATUS_OFFLINE_DEV, /* device online */ 289 290 /* 291 * Finally, the following indicates a healthy pool. 292 */ 293 ZPOOL_STATUS_OK 294 } zpool_status_t; 295 296 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **); 297 extern zpool_status_t zpool_import_status(nvlist_t *, char **); 298 299 /* 300 * Statistics and configuration functions. 301 */ 302 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); 303 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); 304 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); 305 306 /* 307 * Import and export functions 308 */ 309 extern int zpool_export(zpool_handle_t *, boolean_t); 310 extern int zpool_export_force(zpool_handle_t *); 311 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, 312 char *altroot); 313 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *, 314 nvlist_t *, boolean_t); 315 316 /* 317 * Search for pools to import 318 */ 319 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); 320 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, 321 char *, uint64_t); 322 extern nvlist_t *zpool_find_import_byname(libzfs_handle_t *, int, char **, 323 char *); 324 extern nvlist_t *zpool_find_import_byguid(libzfs_handle_t *, int, char **, 325 uint64_t); 326 extern nvlist_t *zpool_find_import_activeok(libzfs_handle_t *, int, char **); 327 328 /* 329 * Miscellaneous pool functions 330 */ 331 struct zfs_cmd; 332 333 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *); 334 extern int zpool_upgrade(zpool_handle_t *, uint64_t); 335 extern int zpool_get_history(zpool_handle_t *, nvlist_t **); 336 extern void zpool_set_history_str(const char *subcommand, int argc, 337 char **argv, char *history_str); 338 extern int zpool_stage_history(libzfs_handle_t *, const char *); 339 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, 340 size_t len); 341 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); 342 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t); 343 344 /* 345 * Basic handle manipulations. These functions do not create or destroy the 346 * underlying datasets, only the references to them. 347 */ 348 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); 349 extern void zfs_close(zfs_handle_t *); 350 extern zfs_type_t zfs_get_type(const zfs_handle_t *); 351 extern const char *zfs_get_name(const zfs_handle_t *); 352 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *); 353 354 /* 355 * Property management functions. Some functions are shared with the kernel, 356 * and are found in sys/fs/zfs.h. 357 */ 358 359 /* 360 * zfs dataset property management 361 */ 362 extern const char *zfs_prop_default_string(zfs_prop_t); 363 extern uint64_t zfs_prop_default_numeric(zfs_prop_t); 364 extern const char *zfs_prop_column_name(zfs_prop_t); 365 extern boolean_t zfs_prop_align_right(zfs_prop_t); 366 367 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, 368 nvlist_t *, uint64_t, zfs_handle_t *, const char *); 369 370 extern const char *zfs_prop_to_name(zfs_prop_t); 371 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); 372 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, 373 zprop_source_t *, char *, size_t, boolean_t); 374 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, 375 zprop_source_t *, char *, size_t); 376 extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, 377 uint64_t *propvalue); 378 extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, 379 char *propbuf, int proplen, boolean_t literal); 380 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); 381 extern int zfs_prop_inherit(zfs_handle_t *, const char *); 382 extern const char *zfs_prop_values(zfs_prop_t); 383 extern int zfs_prop_is_string(zfs_prop_t prop); 384 extern nvlist_t *zfs_get_user_props(zfs_handle_t *); 385 386 typedef struct zprop_list { 387 int pl_prop; 388 char *pl_user_prop; 389 struct zprop_list *pl_next; 390 boolean_t pl_all; 391 size_t pl_width; 392 boolean_t pl_fixed; 393 } zprop_list_t; 394 395 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **); 396 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *); 397 398 #define ZFS_MOUNTPOINT_NONE "none" 399 #define ZFS_MOUNTPOINT_LEGACY "legacy" 400 401 /* 402 * zpool property management 403 */ 404 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); 405 extern const char *zpool_prop_default_string(zpool_prop_t); 406 extern uint64_t zpool_prop_default_numeric(zpool_prop_t); 407 extern const char *zpool_prop_column_name(zpool_prop_t); 408 extern boolean_t zpool_prop_align_right(zpool_prop_t); 409 410 /* 411 * Functions shared by zfs and zpool property management. 412 */ 413 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, 414 boolean_t ordered, zfs_type_t type); 415 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, 416 zfs_type_t); 417 extern void zprop_free_list(zprop_list_t *); 418 419 /* 420 * Functions for printing zfs or zpool properties 421 */ 422 typedef struct zprop_get_cbdata { 423 int cb_sources; 424 int cb_columns[4]; 425 int cb_colwidths[5]; 426 boolean_t cb_scripted; 427 boolean_t cb_literal; 428 boolean_t cb_first; 429 zprop_list_t *cb_proplist; 430 zfs_type_t cb_type; 431 } zprop_get_cbdata_t; 432 433 void zprop_print_one_property(const char *, zprop_get_cbdata_t *, 434 const char *, const char *, zprop_source_t, const char *); 435 436 #define GET_COL_NAME 1 437 #define GET_COL_PROPERTY 2 438 #define GET_COL_VALUE 3 439 #define GET_COL_SOURCE 4 440 441 /* 442 * Iterator functions. 443 */ 444 typedef int (*zfs_iter_f)(zfs_handle_t *, void *); 445 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); 446 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); 447 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); 448 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); 449 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *); 450 451 /* 452 * Functions to create and destroy datasets. 453 */ 454 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, 455 nvlist_t *); 456 extern int zfs_create_ancestors(libzfs_handle_t *, const char *); 457 extern int zfs_destroy(zfs_handle_t *); 458 extern int zfs_destroy_snaps(zfs_handle_t *, char *); 459 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); 460 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); 461 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); 462 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t); 463 extern int zfs_send(zfs_handle_t *, const char *, const char *, 464 boolean_t, boolean_t, boolean_t, boolean_t, int); 465 extern int zfs_promote(zfs_handle_t *); 466 467 typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain, 468 uid_t rid, uint64_t space); 469 470 extern int zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type, 471 zfs_userspace_cb_t func, void *arg); 472 473 typedef struct recvflags { 474 /* print informational messages (ie, -v was specified) */ 475 int verbose : 1; 476 477 /* the destination is a prefix, not the exact fs (ie, -d) */ 478 int isprefix : 1; 479 480 /* do not actually do the recv, just check if it would work (ie, -n) */ 481 int dryrun : 1; 482 483 /* rollback/destroy filesystems as necessary (eg, -F) */ 484 int force : 1; 485 486 /* set "canmount=off" on all modified filesystems */ 487 int canmountoff : 1; 488 489 /* byteswap flag is used internally; callers need not specify */ 490 int byteswap : 1; 491 492 /* do not mount file systems as they are extracted (private) */ 493 int nomount : 1; 494 } recvflags_t; 495 496 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t, 497 int, avl_tree_t *); 498 499 /* 500 * Miscellaneous functions. 501 */ 502 extern const char *zfs_type_to_name(zfs_type_t); 503 extern void zfs_refresh_properties(zfs_handle_t *); 504 extern int zfs_name_valid(const char *, zfs_type_t); 505 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); 506 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, 507 zfs_type_t); 508 extern int zfs_spa_version(zfs_handle_t *, int *); 509 510 /* 511 * Mount support functions. 512 */ 513 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); 514 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); 515 extern int zfs_mount(zfs_handle_t *, const char *, int); 516 extern int zfs_unmount(zfs_handle_t *, const char *, int); 517 extern int zfs_unmountall(zfs_handle_t *, int); 518 519 /* 520 * Share support functions. 521 */ 522 extern boolean_t zfs_is_shared(zfs_handle_t *); 523 extern int zfs_share(zfs_handle_t *); 524 extern int zfs_unshare(zfs_handle_t *); 525 526 /* 527 * Protocol-specific share support functions. 528 */ 529 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); 530 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); 531 extern int zfs_share_nfs(zfs_handle_t *); 532 extern int zfs_share_smb(zfs_handle_t *); 533 extern int zfs_shareall(zfs_handle_t *); 534 extern int zfs_unshare_nfs(zfs_handle_t *, const char *); 535 extern int zfs_unshare_smb(zfs_handle_t *, const char *); 536 extern int zfs_unshareall_nfs(zfs_handle_t *); 537 extern int zfs_unshareall_smb(zfs_handle_t *); 538 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); 539 extern int zfs_unshareall(zfs_handle_t *); 540 extern boolean_t zfs_is_shared_iscsi(zfs_handle_t *); 541 extern int zfs_share_iscsi(zfs_handle_t *); 542 extern int zfs_unshare_iscsi(zfs_handle_t *); 543 extern int zfs_iscsi_perm_check(libzfs_handle_t *, char *, ucred_t *); 544 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *, 545 void *, void *, int, zfs_share_op_t); 546 547 /* 548 * When dealing with nvlists, verify() is extremely useful 549 */ 550 #ifdef NDEBUG 551 #define verify(EX) ((void)(EX)) 552 #else 553 #define verify(EX) assert(EX) 554 #endif 555 556 /* 557 * Utility function to convert a number to a human-readable form. 558 */ 559 extern void zfs_nicenum(uint64_t, char *, size_t); 560 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *); 561 562 /* 563 * Given a device or file, determine if it is part of a pool. 564 */ 565 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **, 566 boolean_t *); 567 568 /* 569 * ftyp special. Read the label from a given device. 570 */ 571 extern int zpool_read_label(int, nvlist_t **); 572 573 /* 574 * Create and remove zvol /dev links. 575 */ 576 extern int zpool_create_zvol_links(zpool_handle_t *); 577 extern int zpool_remove_zvol_links(zpool_handle_t *); 578 579 /* is this zvol valid for use as a dump device? */ 580 extern int zvol_check_dump_config(char *); 581 582 /* 583 * Management interfaces for SMB ACL files 584 */ 585 586 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); 587 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); 588 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); 589 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *); 590 591 /* 592 * Enable and disable datasets within a pool by mounting/unmounting and 593 * sharing/unsharing them. 594 */ 595 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); 596 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); 597 598 #ifdef __cplusplus 599 } 600 #endif 601 602 #endif /* _LIBZFS_H */ 603