libzfs.h revision 9160:1517e6edbc6f
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 41extern "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 */ 55enum { 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 */ 135typedef struct zfs_perm_node { 136 avl_node_t z_node; 137 char z_pname[MAXPATHLEN]; 138} zfs_perm_node_t; 139 140typedef 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 148typedef 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 */ 161typedef struct zfs_handle zfs_handle_t; 162typedef struct zpool_handle zpool_handle_t; 163typedef struct libzfs_handle libzfs_handle_t; 164 165/* 166 * Library initialization 167 */ 168extern libzfs_handle_t *libzfs_init(void); 169extern void libzfs_fini(libzfs_handle_t *); 170 171extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); 172extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); 173 174extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); 175 176extern int libzfs_errno(libzfs_handle_t *); 177extern const char *libzfs_error_action(libzfs_handle_t *); 178extern const char *libzfs_error_description(libzfs_handle_t *); 179extern void libzfs_mnttab_init(libzfs_handle_t *); 180extern void libzfs_mnttab_fini(libzfs_handle_t *); 181extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); 182extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, 183 struct mnttab *); 184extern void libzfs_mnttab_add(libzfs_handle_t *, const char *, 185 const char *, const char *); 186extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *); 187 188/* 189 * Basic handle functions 190 */ 191extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *); 192extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *); 193extern void zpool_close(zpool_handle_t *); 194extern const char *zpool_get_name(zpool_handle_t *); 195extern int zpool_get_state(zpool_handle_t *); 196extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t); 197extern void zpool_free_handles(libzfs_handle_t *); 198 199/* 200 * Iterate over all active pools in the system. 201 */ 202typedef int (*zpool_iter_f)(zpool_handle_t *, void *); 203extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); 204 205/* 206 * Functions to create and destroy pools 207 */ 208extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, 209 nvlist_t *, nvlist_t *); 210extern int zpool_destroy(zpool_handle_t *); 211extern int zpool_add(zpool_handle_t *, nvlist_t *); 212 213/* 214 * Functions to manipulate pool and vdev state 215 */ 216extern int zpool_scrub(zpool_handle_t *, pool_scrub_type_t); 217extern int zpool_clear(zpool_handle_t *, const char *); 218 219extern int zpool_vdev_online(zpool_handle_t *, const char *, int, 220 vdev_state_t *); 221extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); 222extern int zpool_vdev_attach(zpool_handle_t *, const char *, 223 const char *, nvlist_t *, int); 224extern int zpool_vdev_detach(zpool_handle_t *, const char *); 225extern int zpool_vdev_remove(zpool_handle_t *, const char *); 226 227extern int zpool_vdev_fault(zpool_handle_t *, uint64_t); 228extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t); 229extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); 230 231extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, 232 boolean_t *, boolean_t *); 233extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); 234 235/* 236 * Functions to manage pool properties 237 */ 238extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); 239extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, 240 size_t proplen, zprop_source_t *); 241extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, 242 zprop_source_t *); 243 244extern const char *zpool_prop_to_name(zpool_prop_t); 245extern const char *zpool_prop_values(zpool_prop_t); 246 247/* 248 * Pool health statistics. 249 */ 250typedef 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 293extern zpool_status_t zpool_get_status(zpool_handle_t *, char **); 294extern zpool_status_t zpool_import_status(nvlist_t *, char **); 295 296/* 297 * Statistics and configuration functions. 298 */ 299extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); 300extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); 301extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); 302 303/* 304 * Import and export functions 305 */ 306extern int zpool_export(zpool_handle_t *, boolean_t); 307extern int zpool_export_force(zpool_handle_t *); 308extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, 309 char *altroot); 310extern 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 */ 316extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); 317extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, 318 char *, uint64_t); 319extern nvlist_t *zpool_find_import_byname(libzfs_handle_t *, int, char **, 320 char *); 321extern nvlist_t *zpool_find_import_byguid(libzfs_handle_t *, int, char **, 322 uint64_t); 323extern nvlist_t *zpool_find_import_activeok(libzfs_handle_t *, int, char **); 324 325/* 326 * Miscellaneous pool functions 327 */ 328struct zfs_cmd; 329 330extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *); 331extern int zpool_upgrade(zpool_handle_t *, uint64_t); 332extern int zpool_get_history(zpool_handle_t *, nvlist_t **); 333extern void zpool_set_history_str(const char *subcommand, int argc, 334 char **argv, char *history_str); 335extern int zpool_stage_history(libzfs_handle_t *, const char *); 336extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, 337 size_t len); 338extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); 339extern 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 */ 345extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); 346extern void zfs_close(zfs_handle_t *); 347extern zfs_type_t zfs_get_type(const zfs_handle_t *); 348extern const char *zfs_get_name(const zfs_handle_t *); 349extern 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 */ 359extern const char *zfs_prop_default_string(zfs_prop_t); 360extern uint64_t zfs_prop_default_numeric(zfs_prop_t); 361extern const char *zfs_prop_column_name(zfs_prop_t); 362extern boolean_t zfs_prop_align_right(zfs_prop_t); 363 364extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, 365 nvlist_t *, uint64_t, zfs_handle_t *, const char *); 366 367extern const char *zfs_prop_to_name(zfs_prop_t); 368extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); 369extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, 370 zprop_source_t *, char *, size_t, boolean_t); 371extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, 372 zprop_source_t *, char *, size_t); 373extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); 374extern int zfs_prop_inherit(zfs_handle_t *, const char *); 375extern const char *zfs_prop_values(zfs_prop_t); 376extern int zfs_prop_is_string(zfs_prop_t prop); 377extern nvlist_t *zfs_get_user_props(zfs_handle_t *); 378 379typedef 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 388extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **); 389extern 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 */ 397extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); 398extern const char *zpool_prop_default_string(zpool_prop_t); 399extern uint64_t zpool_prop_default_numeric(zpool_prop_t); 400extern const char *zpool_prop_column_name(zpool_prop_t); 401extern boolean_t zpool_prop_align_right(zpool_prop_t); 402 403/* 404 * Functions shared by zfs and zpool property management. 405 */ 406extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, 407 boolean_t ordered, zfs_type_t type); 408extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, 409 zfs_type_t); 410extern void zprop_free_list(zprop_list_t *); 411 412/* 413 * Functions for printing zfs or zpool properties 414 */ 415typedef 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 426void 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 */ 437typedef int (*zfs_iter_f)(zfs_handle_t *, void *); 438extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); 439extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); 440extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); 441extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); 442extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *); 443 444/* 445 * Functions to create and destroy datasets. 446 */ 447extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, 448 nvlist_t *); 449extern int zfs_create_ancestors(libzfs_handle_t *, const char *); 450extern int zfs_destroy(zfs_handle_t *); 451extern int zfs_destroy_snaps(zfs_handle_t *, char *); 452extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); 453extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); 454extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); 455extern int zfs_rename(zfs_handle_t *, const char *, boolean_t); 456extern int zfs_send(zfs_handle_t *, const char *, const char *, 457 boolean_t, boolean_t, boolean_t, boolean_t, int); 458extern int zfs_promote(zfs_handle_t *); 459 460typedef 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 483extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t, 484 int, avl_tree_t *); 485 486/* 487 * Miscellaneous functions. 488 */ 489extern const char *zfs_type_to_name(zfs_type_t); 490extern void zfs_refresh_properties(zfs_handle_t *); 491extern int zfs_name_valid(const char *, zfs_type_t); 492extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); 493extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, 494 zfs_type_t); 495extern int zfs_spa_version(zfs_handle_t *, int *); 496 497/* 498 * dataset permission functions. 499 */ 500extern int zfs_perm_set(zfs_handle_t *, nvlist_t *); 501extern int zfs_perm_remove(zfs_handle_t *, nvlist_t *); 502extern int zfs_build_perms(zfs_handle_t *, char *, char *, 503 zfs_deleg_who_type_t, zfs_deleg_inherit_t, nvlist_t **nvlist_t); 504extern int zfs_perm_get(zfs_handle_t *, zfs_allow_t **); 505extern void zfs_free_allows(zfs_allow_t *); 506extern void zfs_deleg_permissions(void); 507 508/* 509 * Mount support functions. 510 */ 511extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); 512extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); 513extern int zfs_mount(zfs_handle_t *, const char *, int); 514extern int zfs_unmount(zfs_handle_t *, const char *, int); 515extern int zfs_unmountall(zfs_handle_t *, int); 516 517/* 518 * Share support functions. 519 */ 520extern boolean_t zfs_is_shared(zfs_handle_t *); 521extern int zfs_share(zfs_handle_t *); 522extern int zfs_unshare(zfs_handle_t *); 523 524/* 525 * Protocol-specific share support functions. 526 */ 527extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); 528extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); 529extern int zfs_share_nfs(zfs_handle_t *); 530extern int zfs_share_smb(zfs_handle_t *); 531extern int zfs_shareall(zfs_handle_t *); 532extern int zfs_unshare_nfs(zfs_handle_t *, const char *); 533extern int zfs_unshare_smb(zfs_handle_t *, const char *); 534extern int zfs_unshareall_nfs(zfs_handle_t *); 535extern int zfs_unshareall_smb(zfs_handle_t *); 536extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); 537extern int zfs_unshareall(zfs_handle_t *); 538extern boolean_t zfs_is_shared_iscsi(zfs_handle_t *); 539extern int zfs_share_iscsi(zfs_handle_t *); 540extern int zfs_unshare_iscsi(zfs_handle_t *); 541extern int zfs_iscsi_perm_check(libzfs_handle_t *, char *, ucred_t *); 542extern 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 */ 557extern void zfs_nicenum(uint64_t, char *, size_t); 558extern 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 */ 563extern 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 */ 569extern int zpool_read_label(int, nvlist_t **); 570 571/* 572 * Create and remove zvol /dev links. 573 */ 574extern int zpool_create_zvol_links(zpool_handle_t *); 575extern int zpool_remove_zvol_links(zpool_handle_t *); 576 577/* is this zvol valid for use as a dump device? */ 578extern int zvol_check_dump_config(char *); 579 580/* 581 * Management interfaces for SMB ACL files 582 */ 583 584int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); 585int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); 586int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); 587int 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 */ 593extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); 594extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); 595 596#ifdef __cplusplus 597} 598#endif 599 600#endif /* _LIBZFS_H */ 601