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_UNKNOWN 120 }; 121 122 /* 123 * The following data structures are all part 124 * of the zfs_allow_t data structure which is 125 * used for printing 'allow' permissions. 126 * It is a linked list of zfs_allow_t's which 127 * then contain avl tree's for user/group/sets/... 128 * and each one of the entries in those trees have 129 * avl tree's for the permissions they belong to and 130 * whether they are local,descendent or local+descendent 131 * permissions. The AVL trees are used primarily for 132 * sorting purposes, but also so that we can quickly find 133 * a given user and or permission. 134 */ 135 typedef struct zfs_perm_node { 136 avl_node_t z_node; 137 char z_pname[MAXPATHLEN]; 138 } zfs_perm_node_t; 139 140 typedef struct zfs_allow_node { 141 avl_node_t z_node; 142 char z_key[MAXPATHLEN]; /* name, such as joe */ 143 avl_tree_t z_localdescend; /* local+descendent perms */ 144 avl_tree_t z_local; /* local permissions */ 145 avl_tree_t z_descend; /* descendent permissions */ 146 } zfs_allow_node_t; 147 148 typedef struct zfs_allow { 149 struct zfs_allow *z_next; 150 char z_setpoint[MAXPATHLEN]; 151 avl_tree_t z_sets; 152 avl_tree_t z_crperms; 153 avl_tree_t z_user; 154 avl_tree_t z_group; 155 avl_tree_t z_everyone; 156 } zfs_allow_t; 157 158 /* 159 * Basic handle types 160 */ 161 typedef struct zfs_handle zfs_handle_t; 162 typedef struct zpool_handle zpool_handle_t; 163 typedef struct libzfs_handle libzfs_handle_t; 164 165 /* 166 * Library initialization 167 */ 168 extern libzfs_handle_t *libzfs_init(void); 169 extern void libzfs_fini(libzfs_handle_t *); 170 171 extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); 172 extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); 173 174 extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); 175 176 extern int libzfs_errno(libzfs_handle_t *); 177 extern const char *libzfs_error_action(libzfs_handle_t *); 178 extern const char *libzfs_error_description(libzfs_handle_t *); 179 extern void libzfs_mnttab_init(libzfs_handle_t *); 180 extern void libzfs_mnttab_fini(libzfs_handle_t *); 181 extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); 182 extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, 183 struct mnttab *); 184 extern void libzfs_mnttab_add(libzfs_handle_t *, const char *, 185 const char *, const char *); 186 extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *); 187 188 /* 189 * Basic handle functions 190 */ 191 extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *); 192 extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *); 193 extern void zpool_close(zpool_handle_t *); 194 extern const char *zpool_get_name(zpool_handle_t *); 195 extern int zpool_get_state(zpool_handle_t *); 196 extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t); 197 extern void zpool_free_handles(libzfs_handle_t *); 198 199 /* 200 * Iterate over all active pools in the system. 201 */ 202 typedef int (*zpool_iter_f)(zpool_handle_t *, void *); 203 extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); 204 205 /* 206 * Functions to create and destroy pools 207 */ 208 extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, 209 nvlist_t *, nvlist_t *); 210 extern int zpool_destroy(zpool_handle_t *); 211 extern int zpool_add(zpool_handle_t *, nvlist_t *); 212 213 /* 214 * Functions to manipulate pool and vdev state 215 */ 216 extern int zpool_scrub(zpool_handle_t *, pool_scrub_type_t); 217 extern int zpool_clear(zpool_handle_t *, const char *); 218 219 extern int zpool_vdev_online(zpool_handle_t *, const char *, int, 220 vdev_state_t *); 221 extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); 222 extern int zpool_vdev_attach(zpool_handle_t *, const char *, 223 const char *, nvlist_t *, int); 224 extern int zpool_vdev_detach(zpool_handle_t *, const char *); 225 extern int zpool_vdev_remove(zpool_handle_t *, const char *); 226 227 extern int zpool_vdev_fault(zpool_handle_t *, uint64_t); 228 extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t); 229 extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); 230 231 extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, 232 boolean_t *, boolean_t *); 233 extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); 234 235 /* 236 * Functions to manage pool properties 237 */ 238 extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); 239 extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, 240 size_t proplen, zprop_source_t *); 241 extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, 242 zprop_source_t *); 243 244 extern const char *zpool_prop_to_name(zpool_prop_t); 245 extern const char *zpool_prop_values(zpool_prop_t); 246 247 /* 248 * Pool health statistics. 249 */ 250 typedef enum { 251 /* 252 * The following correspond to faults as defined in the (fault.fs.zfs.*) 253 * event namespace. Each is associated with a corresponding message ID. 254 */ 255 ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */ 256 ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */ 257 ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */ 258 ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */ 259 ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */ 260 ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */ 261 ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */ 262 ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */ 263 ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */ 264 ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */ 265 ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */ 266 ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */ 267 ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */ 268 ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */ 269 270 /* 271 * These faults have no corresponding message ID. At the time we are 272 * checking the status, the original reason for the FMA fault (I/O or 273 * checksum errors) has been lost. 274 */ 275 ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */ 276 ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */ 277 278 /* 279 * The following are not faults per se, but still an error possibly 280 * requiring administrative attention. There is no corresponding 281 * message ID. 282 */ 283 ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */ 284 ZPOOL_STATUS_RESILVERING, /* device being resilvered */ 285 ZPOOL_STATUS_OFFLINE_DEV, /* device online */ 286 287 /* 288 * Finally, the following indicates a healthy pool. 289 */ 290 ZPOOL_STATUS_OK 291 } zpool_status_t; 292 293 extern zpool_status_t zpool_get_status(zpool_handle_t *, char **); 294 extern zpool_status_t zpool_import_status(nvlist_t *, char **); 295 296 /* 297 * Statistics and configuration functions. 298 */ 299 extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); 300 extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); 301 extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); 302 303 /* 304 * Import and export functions 305 */ 306 extern int zpool_export(zpool_handle_t *, boolean_t); 307 extern int zpool_export_force(zpool_handle_t *); 308 extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, 309 char *altroot); 310 extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *, 311 nvlist_t *, boolean_t); 312 313 /* 314 * Search for pools to import 315 */ 316 extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); 317 extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, 318 char *, uint64_t); 319 extern nvlist_t *zpool_find_import_byname(libzfs_handle_t *, int, char **, 320 char *); 321 extern nvlist_t *zpool_find_import_byguid(libzfs_handle_t *, int, char **, 322 uint64_t); 323 extern nvlist_t *zpool_find_import_activeok(libzfs_handle_t *, int, char **); 324 325 /* 326 * Miscellaneous pool functions 327 */ 328 struct zfs_cmd; 329 330 extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *); 331 extern int zpool_upgrade(zpool_handle_t *, uint64_t); 332 extern int zpool_get_history(zpool_handle_t *, nvlist_t **); 333 extern void zpool_set_history_str(const char *subcommand, int argc, 334 char **argv, char *history_str); 335 extern int zpool_stage_history(libzfs_handle_t *, const char *); 336 extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, 337 size_t len); 338 extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); 339 extern int zpool_get_physpath(zpool_handle_t *, char *, size_t); 340 341 /* 342 * Basic handle manipulations. These functions do not create or destroy the 343 * underlying datasets, only the references to them. 344 */ 345 extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); 346 extern void zfs_close(zfs_handle_t *); 347 extern zfs_type_t zfs_get_type(const zfs_handle_t *); 348 extern const char *zfs_get_name(const zfs_handle_t *); 349 extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *); 350 351 /* 352 * Property management functions. Some functions are shared with the kernel, 353 * and are found in sys/fs/zfs.h. 354 */ 355 356 /* 357 * zfs dataset property management 358 */ 359 extern const char *zfs_prop_default_string(zfs_prop_t); 360 extern uint64_t zfs_prop_default_numeric(zfs_prop_t); 361 extern const char *zfs_prop_column_name(zfs_prop_t); 362 extern boolean_t zfs_prop_align_right(zfs_prop_t); 363 364 extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, 365 nvlist_t *, uint64_t, zfs_handle_t *, const char *); 366 367 extern const char *zfs_prop_to_name(zfs_prop_t); 368 extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); 369 extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, 370 zprop_source_t *, char *, size_t, boolean_t); 371 extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, 372 zprop_source_t *, char *, size_t); 373 extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); 374 extern int zfs_prop_inherit(zfs_handle_t *, const char *); 375 extern const char *zfs_prop_values(zfs_prop_t); 376 extern int zfs_prop_is_string(zfs_prop_t prop); 377 extern nvlist_t *zfs_get_user_props(zfs_handle_t *); 378 379 typedef struct zprop_list { 380 int pl_prop; 381 char *pl_user_prop; 382 struct zprop_list *pl_next; 383 boolean_t pl_all; 384 size_t pl_width; 385 boolean_t pl_fixed; 386 } zprop_list_t; 387 388 extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **); 389 extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *); 390 391 #define ZFS_MOUNTPOINT_NONE "none" 392 #define ZFS_MOUNTPOINT_LEGACY "legacy" 393 394 /* 395 * zpool property management 396 */ 397 extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); 398 extern const char *zpool_prop_default_string(zpool_prop_t); 399 extern uint64_t zpool_prop_default_numeric(zpool_prop_t); 400 extern const char *zpool_prop_column_name(zpool_prop_t); 401 extern boolean_t zpool_prop_align_right(zpool_prop_t); 402 403 /* 404 * Functions shared by zfs and zpool property management. 405 */ 406 extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, 407 boolean_t ordered, zfs_type_t type); 408 extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, 409 zfs_type_t); 410 extern void zprop_free_list(zprop_list_t *); 411 412 /* 413 * Functions for printing zfs or zpool properties 414 */ 415 typedef struct zprop_get_cbdata { 416 int cb_sources; 417 int cb_columns[4]; 418 int cb_colwidths[5]; 419 boolean_t cb_scripted; 420 boolean_t cb_literal; 421 boolean_t cb_first; 422 zprop_list_t *cb_proplist; 423 zfs_type_t cb_type; 424 } zprop_get_cbdata_t; 425 426 void zprop_print_one_property(const char *, zprop_get_cbdata_t *, 427 const char *, const char *, zprop_source_t, const char *); 428 429 #define GET_COL_NAME 1 430 #define GET_COL_PROPERTY 2 431 #define GET_COL_VALUE 3 432 #define GET_COL_SOURCE 4 433 434 /* 435 * Iterator functions. 436 */ 437 typedef int (*zfs_iter_f)(zfs_handle_t *, void *); 438 extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); 439 extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); 440 extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); 441 extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); 442 extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *); 443 444 /* 445 * Functions to create and destroy datasets. 446 */ 447 extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, 448 nvlist_t *); 449 extern int zfs_create_ancestors(libzfs_handle_t *, const char *); 450 extern int zfs_destroy(zfs_handle_t *); 451 extern int zfs_destroy_snaps(zfs_handle_t *, char *); 452 extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); 453 extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); 454 extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); 455 extern int zfs_rename(zfs_handle_t *, const char *, boolean_t); 456 extern int zfs_send(zfs_handle_t *, const char *, const char *, 457 boolean_t, boolean_t, boolean_t, boolean_t, int); 458 extern int zfs_promote(zfs_handle_t *); 459 460 typedef struct recvflags { 461 /* print informational messages (ie, -v was specified) */ 462 int verbose : 1; 463 464 /* the destination is a prefix, not the exact fs (ie, -d) */ 465 int isprefix : 1; 466 467 /* do not actually do the recv, just check if it would work (ie, -n) */ 468 int dryrun : 1; 469 470 /* rollback/destroy filesystems as necessary (eg, -F) */ 471 int force : 1; 472 473 /* set "canmount=off" on all modified filesystems */ 474 int canmountoff : 1; 475 476 /* byteswap flag is used internally; callers need not specify */ 477 int byteswap : 1; 478 479 /* do not mount file systems as they are extracted (private) */ 480 int nomount : 1; 481 } recvflags_t; 482 483 extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t, 484 int, avl_tree_t *); 485 486 /* 487 * Miscellaneous functions. 488 */ 489 extern const char *zfs_type_to_name(zfs_type_t); 490 extern void zfs_refresh_properties(zfs_handle_t *); 491 extern int zfs_name_valid(const char *, zfs_type_t); 492 extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); 493 extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, 494 zfs_type_t); 495 extern int zfs_spa_version(zfs_handle_t *, int *); 496 497 /* 498 * dataset permission functions. 499 */ 500 extern int zfs_perm_set(zfs_handle_t *, nvlist_t *); 501 extern int zfs_perm_remove(zfs_handle_t *, nvlist_t *); 502 extern int zfs_build_perms(zfs_handle_t *, char *, char *, 503 zfs_deleg_who_type_t, zfs_deleg_inherit_t, nvlist_t **nvlist_t); 504 extern int zfs_perm_get(zfs_handle_t *, zfs_allow_t **); 505 extern void zfs_free_allows(zfs_allow_t *); 506 extern void zfs_deleg_permissions(void); 507 508 /* 509 * Mount support functions. 510 */ 511 extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); 512 extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); 513 extern int zfs_mount(zfs_handle_t *, const char *, int); 514 extern int zfs_unmount(zfs_handle_t *, const char *, int); 515 extern int zfs_unmountall(zfs_handle_t *, int); 516 517 /* 518 * Share support functions. 519 */ 520 extern boolean_t zfs_is_shared(zfs_handle_t *); 521 extern int zfs_share(zfs_handle_t *); 522 extern int zfs_unshare(zfs_handle_t *); 523 524 /* 525 * Protocol-specific share support functions. 526 */ 527 extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); 528 extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); 529 extern int zfs_share_nfs(zfs_handle_t *); 530 extern int zfs_share_smb(zfs_handle_t *); 531 extern int zfs_shareall(zfs_handle_t *); 532 extern int zfs_unshare_nfs(zfs_handle_t *, const char *); 533 extern int zfs_unshare_smb(zfs_handle_t *, const char *); 534 extern int zfs_unshareall_nfs(zfs_handle_t *); 535 extern int zfs_unshareall_smb(zfs_handle_t *); 536 extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); 537 extern int zfs_unshareall(zfs_handle_t *); 538 extern boolean_t zfs_is_shared_iscsi(zfs_handle_t *); 539 extern int zfs_share_iscsi(zfs_handle_t *); 540 extern int zfs_unshare_iscsi(zfs_handle_t *); 541 extern int zfs_iscsi_perm_check(libzfs_handle_t *, char *, ucred_t *); 542 extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *, 543 void *, void *, int, zfs_share_op_t); 544 545 /* 546 * When dealing with nvlists, verify() is extremely useful 547 */ 548 #ifdef NDEBUG 549 #define verify(EX) ((void)(EX)) 550 #else 551 #define verify(EX) assert(EX) 552 #endif 553 554 /* 555 * Utility function to convert a number to a human-readable form. 556 */ 557 extern void zfs_nicenum(uint64_t, char *, size_t); 558 extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *); 559 560 /* 561 * Given a device or file, determine if it is part of a pool. 562 */ 563 extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **, 564 boolean_t *); 565 566 /* 567 * ftyp special. Read the label from a given device. 568 */ 569 extern int zpool_read_label(int, nvlist_t **); 570 571 /* 572 * Create and remove zvol /dev links. 573 */ 574 extern int zpool_create_zvol_links(zpool_handle_t *); 575 extern int zpool_remove_zvol_links(zpool_handle_t *); 576 577 /* is this zvol valid for use as a dump device? */ 578 extern int zvol_check_dump_config(char *); 579 580 /* 581 * Management interfaces for SMB ACL files 582 */ 583 584 int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); 585 int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); 586 int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); 587 int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *); 588 589 /* 590 * Enable and disable datasets within a pool by mounting/unmounting and 591 * sharing/unsharing them. 592 */ 593 extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); 594 extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); 595 596 #ifdef __cplusplus 597 } 598 #endif 599 600 #endif /* _LIBZFS_H */ 601