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Diffstat (limited to 'include/libzfs.h')
| -rw-r--r-- | include/libzfs.h | 716 |
1 files changed, 716 insertions, 0 deletions
diff --git a/include/libzfs.h b/include/libzfs.h new file mode 100644 index 000000000..dcbd283ac --- /dev/null +++ b/include/libzfs.h @@ -0,0 +1,716 @@ +/* + * CDDL HEADER START + * + * The contents of this file are subject to the terms of the + * Common Development and Distribution License (the "License"). + * You may not use this file except in compliance with the License. + * + * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE + * or http://www.opensolaris.org/os/licensing. + * See the License for the specific language governing permissions + * and limitations under the License. + * + * When distributing Covered Code, include this CDDL HEADER in each + * file and include the License file at usr/src/OPENSOLARIS.LICENSE. + * If applicable, add the following below this CDDL HEADER, with the + * fields enclosed by brackets "[]" replaced with your own identifying + * information: Portions Copyright [yyyy] [name of copyright owner] + * + * CDDL HEADER END + */ + +/* + * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved. + */ + +#ifndef _LIBZFS_H +#define _LIBZFS_H + +#include <assert.h> +#include <libnvpair.h> +#include <sys/mnttab.h> +#include <sys/param.h> +#include <sys/types.h> +#include <sys/varargs.h> +#include <sys/fs/zfs.h> +#include <sys/avl.h> +#include <ucred.h> + +#ifdef __cplusplus +extern "C" { +#endif + +/* + * Miscellaneous ZFS constants + */ +#define ZFS_MAXNAMELEN MAXNAMELEN +#define ZPOOL_MAXNAMELEN MAXNAMELEN +#define ZFS_MAXPROPLEN MAXPATHLEN +#define ZPOOL_MAXPROPLEN MAXPATHLEN + +/* + * Default device paths + */ + +#if defined(__sun__) || defined(__sun) +#define DISK_ROOT "/dev/dsk" +#define RDISK_ROOT "/dev/rdsk" +#define UDISK_ROOT RDISK_ROOT +#define FIRST_SLICE "s0" +#define BACKUP_SLICE "s2" +#endif + +#ifdef __linux__ +#define DISK_ROOT "/dev" +#define RDISK_ROOT DISK_ROOT +#define UDISK_ROOT "/dev/disk" +#define FIRST_SLICE "1" +#define BACKUP_SLICE "" +#endif + +/* + * libzfs errors + */ +enum { + EZFS_NOMEM = 2000, /* out of memory */ + EZFS_BADPROP, /* invalid property value */ + EZFS_PROPREADONLY, /* cannot set readonly property */ + EZFS_PROPTYPE, /* property does not apply to dataset type */ + EZFS_PROPNONINHERIT, /* property is not inheritable */ + EZFS_PROPSPACE, /* bad quota or reservation */ + EZFS_BADTYPE, /* dataset is not of appropriate type */ + EZFS_BUSY, /* pool or dataset is busy */ + EZFS_EXISTS, /* pool or dataset already exists */ + EZFS_NOENT, /* no such pool or dataset */ + EZFS_BADSTREAM, /* bad backup stream */ + EZFS_DSREADONLY, /* dataset is readonly */ + EZFS_VOLTOOBIG, /* volume is too large for 32-bit system */ + EZFS_INVALIDNAME, /* invalid dataset name */ + EZFS_BADRESTORE, /* unable to restore to destination */ + EZFS_BADBACKUP, /* backup failed */ + EZFS_BADTARGET, /* bad attach/detach/replace target */ + EZFS_NODEVICE, /* no such device in pool */ + EZFS_BADDEV, /* invalid device to add */ + EZFS_NOREPLICAS, /* no valid replicas */ + EZFS_RESILVERING, /* currently resilvering */ + EZFS_BADVERSION, /* unsupported version */ + EZFS_POOLUNAVAIL, /* pool is currently unavailable */ + EZFS_DEVOVERFLOW, /* too many devices in one vdev */ + EZFS_BADPATH, /* must be an absolute path */ + EZFS_CROSSTARGET, /* rename or clone across pool or dataset */ + EZFS_ZONED, /* used improperly in local zone */ + EZFS_MOUNTFAILED, /* failed to mount dataset */ + EZFS_UMOUNTFAILED, /* failed to unmount dataset */ + EZFS_UNSHARENFSFAILED, /* unshare(1M) failed */ + EZFS_SHARENFSFAILED, /* share(1M) failed */ + EZFS_PERM, /* permission denied */ + EZFS_NOSPC, /* out of space */ + EZFS_FAULT, /* bad address */ + EZFS_IO, /* I/O error */ + EZFS_INTR, /* signal received */ + EZFS_ISSPARE, /* device is a hot spare */ + EZFS_INVALCONFIG, /* invalid vdev configuration */ + EZFS_RECURSIVE, /* recursive dependency */ + EZFS_NOHISTORY, /* no history object */ + EZFS_POOLPROPS, /* couldn't retrieve pool props */ + EZFS_POOL_NOTSUP, /* ops not supported for this type of pool */ + EZFS_POOL_INVALARG, /* invalid argument for this pool operation */ + EZFS_NAMETOOLONG, /* dataset name is too long */ + EZFS_OPENFAILED, /* open of device failed */ + EZFS_NOCAP, /* couldn't get capacity */ + EZFS_LABELFAILED, /* write of label failed */ + EZFS_BADWHO, /* invalid permission who */ + EZFS_BADPERM, /* invalid permission */ + EZFS_BADPERMSET, /* invalid permission set name */ + EZFS_NODELEGATION, /* delegated administration is disabled */ + EZFS_UNSHARESMBFAILED, /* failed to unshare over smb */ + EZFS_SHARESMBFAILED, /* failed to share over smb */ + EZFS_BADCACHE, /* bad cache file */ + EZFS_ISL2CACHE, /* device is for the level 2 ARC */ + EZFS_VDEVNOTSUP, /* unsupported vdev type */ + EZFS_NOTSUP, /* ops not supported on this dataset */ + EZFS_ACTIVE_SPARE, /* pool has active shared spare devices */ + EZFS_UNPLAYED_LOGS, /* log device has unplayed logs */ + EZFS_REFTAG_RELE, /* snapshot release: tag not found */ + EZFS_REFTAG_HOLD, /* snapshot hold: tag already exists */ + EZFS_TAGTOOLONG, /* snapshot hold/rele: tag too long */ + EZFS_PIPEFAILED, /* pipe create failed */ + EZFS_THREADCREATEFAILED, /* thread create failed */ + EZFS_POSTSPLIT_ONLINE, /* onlining a disk after splitting it */ + EZFS_SCRUBBING, /* currently scrubbing */ + EZFS_NO_SCRUB, /* no active scrub */ + EZFS_DIFF, /* general failure of zfs diff */ + EZFS_DIFFDATA, /* bad zfs diff data */ + EZFS_POOLREADONLY, /* pool is in read-only mode */ + EZFS_UNKNOWN +}; + +/* + * The following data structures are all part + * of the zfs_allow_t data structure which is + * used for printing 'allow' permissions. + * It is a linked list of zfs_allow_t's which + * then contain avl tree's for user/group/sets/... + * and each one of the entries in those trees have + * avl tree's for the permissions they belong to and + * whether they are local,descendent or local+descendent + * permissions. The AVL trees are used primarily for + * sorting purposes, but also so that we can quickly find + * a given user and or permission. + */ +typedef struct zfs_perm_node { + avl_node_t z_node; + char z_pname[MAXPATHLEN]; +} zfs_perm_node_t; + +typedef struct zfs_allow_node { + avl_node_t z_node; + char z_key[MAXPATHLEN]; /* name, such as joe */ + avl_tree_t z_localdescend; /* local+descendent perms */ + avl_tree_t z_local; /* local permissions */ + avl_tree_t z_descend; /* descendent permissions */ +} zfs_allow_node_t; + +typedef struct zfs_allow { + struct zfs_allow *z_next; + char z_setpoint[MAXPATHLEN]; + avl_tree_t z_sets; + avl_tree_t z_crperms; + avl_tree_t z_user; + avl_tree_t z_group; + avl_tree_t z_everyone; +} zfs_allow_t; + +/* + * Basic handle types + */ +typedef struct zfs_handle zfs_handle_t; +typedef struct zpool_handle zpool_handle_t; +typedef struct libzfs_handle libzfs_handle_t; + +/* + * Library initialization + */ +extern libzfs_handle_t *libzfs_init(void); +extern void libzfs_fini(libzfs_handle_t *); + +extern libzfs_handle_t *zpool_get_handle(zpool_handle_t *); +extern libzfs_handle_t *zfs_get_handle(zfs_handle_t *); + +extern void libzfs_print_on_error(libzfs_handle_t *, boolean_t); + +extern int libzfs_errno(libzfs_handle_t *); +extern const char *libzfs_error_action(libzfs_handle_t *); +extern const char *libzfs_error_description(libzfs_handle_t *); +extern void libzfs_mnttab_init(libzfs_handle_t *); +extern void libzfs_mnttab_fini(libzfs_handle_t *); +extern void libzfs_mnttab_cache(libzfs_handle_t *, boolean_t); +extern int libzfs_mnttab_find(libzfs_handle_t *, const char *, + struct mnttab *); +extern void libzfs_mnttab_add(libzfs_handle_t *, const char *, + const char *, const char *); +extern void libzfs_mnttab_remove(libzfs_handle_t *, const char *); + +/* + * Basic handle functions + */ +extern zpool_handle_t *zpool_open(libzfs_handle_t *, const char *); +extern zpool_handle_t *zpool_open_canfail(libzfs_handle_t *, const char *); +extern void zpool_close(zpool_handle_t *); +extern const char *zpool_get_name(zpool_handle_t *); +extern int zpool_get_state(zpool_handle_t *); +extern char *zpool_state_to_name(vdev_state_t, vdev_aux_t); +extern void zpool_free_handles(libzfs_handle_t *); + +/* + * Iterate over all active pools in the system. + */ +typedef int (*zpool_iter_f)(zpool_handle_t *, void *); +extern int zpool_iter(libzfs_handle_t *, zpool_iter_f, void *); + +/* + * Functions to create and destroy pools + */ +extern int zpool_create(libzfs_handle_t *, const char *, nvlist_t *, + nvlist_t *, nvlist_t *); +extern int zpool_destroy(zpool_handle_t *); +extern int zpool_add(zpool_handle_t *, nvlist_t *); + +typedef struct splitflags { + /* do not split, but return the config that would be split off */ + int dryrun : 1; + + /* after splitting, import the pool */ + int import : 1; +} splitflags_t; + +/* + * Functions to manipulate pool and vdev state + */ +extern int zpool_scan(zpool_handle_t *, pool_scan_func_t); +extern int zpool_clear(zpool_handle_t *, const char *, nvlist_t *); + +extern int zpool_vdev_online(zpool_handle_t *, const char *, int, + vdev_state_t *); +extern int zpool_vdev_offline(zpool_handle_t *, const char *, boolean_t); +extern int zpool_vdev_attach(zpool_handle_t *, const char *, + const char *, nvlist_t *, int); +extern int zpool_vdev_detach(zpool_handle_t *, const char *); +extern int zpool_vdev_remove(zpool_handle_t *, const char *); +extern int zpool_vdev_split(zpool_handle_t *, char *, nvlist_t **, nvlist_t *, + splitflags_t); + +extern int zpool_vdev_fault(zpool_handle_t *, uint64_t, vdev_aux_t); +extern int zpool_vdev_degrade(zpool_handle_t *, uint64_t, vdev_aux_t); +extern int zpool_vdev_clear(zpool_handle_t *, uint64_t); + +extern nvlist_t *zpool_find_vdev(zpool_handle_t *, const char *, boolean_t *, + boolean_t *, boolean_t *); +extern nvlist_t *zpool_find_vdev_by_physpath(zpool_handle_t *, const char *, + boolean_t *, boolean_t *, boolean_t *); +extern int zpool_label_disk_wait(char *, int); +extern int zpool_label_disk(libzfs_handle_t *, zpool_handle_t *, char *); + +/* + * Functions to manage pool properties + */ +extern int zpool_set_prop(zpool_handle_t *, const char *, const char *); +extern int zpool_get_prop(zpool_handle_t *, zpool_prop_t, char *, + size_t proplen, zprop_source_t *); +extern uint64_t zpool_get_prop_int(zpool_handle_t *, zpool_prop_t, + zprop_source_t *); + +extern const char *zpool_prop_to_name(zpool_prop_t); +extern const char *zpool_prop_values(zpool_prop_t); + +/* + * Pool health statistics. + */ +typedef enum { + /* + * The following correspond to faults as defined in the (fault.fs.zfs.*) + * event namespace. Each is associated with a corresponding message ID. + */ + ZPOOL_STATUS_CORRUPT_CACHE, /* corrupt /kernel/drv/zpool.cache */ + ZPOOL_STATUS_MISSING_DEV_R, /* missing device with replicas */ + ZPOOL_STATUS_MISSING_DEV_NR, /* missing device with no replicas */ + ZPOOL_STATUS_CORRUPT_LABEL_R, /* bad device label with replicas */ + ZPOOL_STATUS_CORRUPT_LABEL_NR, /* bad device label with no replicas */ + ZPOOL_STATUS_BAD_GUID_SUM, /* sum of device guids didn't match */ + ZPOOL_STATUS_CORRUPT_POOL, /* pool metadata is corrupted */ + ZPOOL_STATUS_CORRUPT_DATA, /* data errors in user (meta)data */ + ZPOOL_STATUS_FAILING_DEV, /* device experiencing errors */ + ZPOOL_STATUS_VERSION_NEWER, /* newer on-disk version */ + ZPOOL_STATUS_HOSTID_MISMATCH, /* last accessed by another system */ + ZPOOL_STATUS_IO_FAILURE_WAIT, /* failed I/O, failmode 'wait' */ + ZPOOL_STATUS_IO_FAILURE_CONTINUE, /* failed I/O, failmode 'continue' */ + ZPOOL_STATUS_BAD_LOG, /* cannot read log chain(s) */ + + /* + * These faults have no corresponding message ID. At the time we are + * checking the status, the original reason for the FMA fault (I/O or + * checksum errors) has been lost. + */ + ZPOOL_STATUS_FAULTED_DEV_R, /* faulted device with replicas */ + ZPOOL_STATUS_FAULTED_DEV_NR, /* faulted device with no replicas */ + + /* + * The following are not faults per se, but still an error possibly + * requiring administrative attention. There is no corresponding + * message ID. + */ + ZPOOL_STATUS_VERSION_OLDER, /* older on-disk version */ + ZPOOL_STATUS_RESILVERING, /* device being resilvered */ + ZPOOL_STATUS_OFFLINE_DEV, /* device online */ + ZPOOL_STATUS_REMOVED_DEV, /* removed device */ + + /* + * Finally, the following indicates a healthy pool. + */ + ZPOOL_STATUS_OK +} zpool_status_t; + +extern zpool_status_t zpool_get_status(zpool_handle_t *, char **); +extern zpool_status_t zpool_import_status(nvlist_t *, char **); +extern void zpool_dump_ddt(const ddt_stat_t *dds, const ddt_histogram_t *ddh); + +/* + * Statistics and configuration functions. + */ +extern nvlist_t *zpool_get_config(zpool_handle_t *, nvlist_t **); +extern int zpool_refresh_stats(zpool_handle_t *, boolean_t *); +extern int zpool_get_errlog(zpool_handle_t *, nvlist_t **); + +/* + * Import and export functions + */ +extern int zpool_export(zpool_handle_t *, boolean_t); +extern int zpool_export_force(zpool_handle_t *); +extern int zpool_import(libzfs_handle_t *, nvlist_t *, const char *, + char *altroot); +extern int zpool_import_props(libzfs_handle_t *, nvlist_t *, const char *, + nvlist_t *, int); + +/* + * Search for pools to import + */ + +typedef struct importargs { + char **path; /* a list of paths to search */ + int paths; /* number of paths to search */ + char *poolname; /* name of a pool to find */ + uint64_t guid; /* guid of a pool to find */ + char *cachefile; /* cachefile to use for import */ + int can_be_active : 1; /* can the pool be active? */ + int unique : 1; /* does 'poolname' already exist? */ + int exists : 1; /* set on return if pool already exists */ +} importargs_t; + +extern nvlist_t *zpool_search_import(libzfs_handle_t *, importargs_t *); + +/* legacy pool search routines */ +extern nvlist_t *zpool_find_import(libzfs_handle_t *, int, char **); +extern nvlist_t *zpool_find_import_cached(libzfs_handle_t *, const char *, + char *, uint64_t); + +/* + * Miscellaneous pool functions + */ +struct zfs_cmd; + +extern const char *zfs_history_event_names[LOG_END]; + +extern char *zpool_vdev_name(libzfs_handle_t *, zpool_handle_t *, nvlist_t *, + boolean_t verbose); +extern int zpool_upgrade(zpool_handle_t *, uint64_t); +extern int zpool_get_history(zpool_handle_t *, nvlist_t **); +extern int zpool_history_unpack(char *, uint64_t, uint64_t *, + nvlist_t ***, uint_t *); +extern void zpool_set_history_str(const char *subcommand, int argc, + char **argv, char *history_str); +extern int zpool_stage_history(libzfs_handle_t *, const char *); +extern int zpool_events_next(libzfs_handle_t *, nvlist_t **, int *, int, int); +extern int zpool_events_clear(libzfs_handle_t *, int *); +extern void zpool_obj_to_path(zpool_handle_t *, uint64_t, uint64_t, char *, + size_t len); +extern int zfs_ioctl(libzfs_handle_t *, int, struct zfs_cmd *); +extern int zpool_get_physpath(zpool_handle_t *, char *, size_t); +extern void zpool_explain_recover(libzfs_handle_t *, const char *, int, + nvlist_t *); + +/* + * Basic handle manipulations. These functions do not create or destroy the + * underlying datasets, only the references to them. + */ +extern zfs_handle_t *zfs_open(libzfs_handle_t *, const char *, int); +extern void zfs_close(zfs_handle_t *); +extern zfs_type_t zfs_get_type(const zfs_handle_t *); +extern const char *zfs_get_name(const zfs_handle_t *); +extern zpool_handle_t *zfs_get_pool_handle(const zfs_handle_t *); + +/* + * Property management functions. Some functions are shared with the kernel, + * and are found in sys/fs/zfs.h. + */ + +/* + * zfs dataset property management + */ +extern const char *zfs_prop_default_string(zfs_prop_t); +extern uint64_t zfs_prop_default_numeric(zfs_prop_t); +extern const char *zfs_prop_column_name(zfs_prop_t); +extern boolean_t zfs_prop_align_right(zfs_prop_t); + +extern nvlist_t *zfs_valid_proplist(libzfs_handle_t *, zfs_type_t, + nvlist_t *, uint64_t, zfs_handle_t *, const char *); + +extern const char *zfs_prop_to_name(zfs_prop_t); +extern int zfs_prop_set(zfs_handle_t *, const char *, const char *); +extern int zfs_prop_get(zfs_handle_t *, zfs_prop_t, char *, size_t, + zprop_source_t *, char *, size_t, boolean_t); +extern int zfs_prop_get_recvd(zfs_handle_t *, const char *, char *, size_t, + boolean_t); +extern int zfs_prop_get_numeric(zfs_handle_t *, zfs_prop_t, uint64_t *, + zprop_source_t *, char *, size_t); +extern int zfs_prop_get_userquota_int(zfs_handle_t *zhp, const char *propname, + uint64_t *propvalue); +extern int zfs_prop_get_userquota(zfs_handle_t *zhp, const char *propname, + char *propbuf, int proplen, boolean_t literal); +extern uint64_t zfs_prop_get_int(zfs_handle_t *, zfs_prop_t); +extern int zfs_prop_inherit(zfs_handle_t *, const char *, boolean_t); +extern const char *zfs_prop_values(zfs_prop_t); +extern int zfs_prop_is_string(zfs_prop_t prop); +extern nvlist_t *zfs_get_user_props(zfs_handle_t *); +extern nvlist_t *zfs_get_recvd_props(zfs_handle_t *); + +typedef struct zprop_list { + int pl_prop; + char *pl_user_prop; + struct zprop_list *pl_next; + boolean_t pl_all; + size_t pl_width; + size_t pl_recvd_width; + boolean_t pl_fixed; +} zprop_list_t; + +extern int zfs_expand_proplist(zfs_handle_t *, zprop_list_t **, boolean_t); +extern void zfs_prune_proplist(zfs_handle_t *, uint8_t *); + +#define ZFS_MOUNTPOINT_NONE "none" +#define ZFS_MOUNTPOINT_LEGACY "legacy" + +/* + * zpool property management + */ +extern int zpool_expand_proplist(zpool_handle_t *, zprop_list_t **); +extern const char *zpool_prop_default_string(zpool_prop_t); +extern uint64_t zpool_prop_default_numeric(zpool_prop_t); +extern const char *zpool_prop_column_name(zpool_prop_t); +extern boolean_t zpool_prop_align_right(zpool_prop_t); + +/* + * Functions shared by zfs and zpool property management. + */ +extern int zprop_iter(zprop_func func, void *cb, boolean_t show_all, + boolean_t ordered, zfs_type_t type); +extern int zprop_get_list(libzfs_handle_t *, char *, zprop_list_t **, + zfs_type_t); +extern void zprop_free_list(zprop_list_t *); + +#define ZFS_GET_NCOLS 5 + +typedef enum { + GET_COL_NONE, + GET_COL_NAME, + GET_COL_PROPERTY, + GET_COL_VALUE, + GET_COL_RECVD, + GET_COL_SOURCE +} zfs_get_column_t; + +/* + * Functions for printing zfs or zpool properties + */ +typedef struct zprop_get_cbdata { + int cb_sources; + zfs_get_column_t cb_columns[ZFS_GET_NCOLS]; + int cb_colwidths[ZFS_GET_NCOLS + 1]; + boolean_t cb_scripted; + boolean_t cb_literal; + boolean_t cb_first; + zprop_list_t *cb_proplist; + zfs_type_t cb_type; +} zprop_get_cbdata_t; + +void zprop_print_one_property(const char *, zprop_get_cbdata_t *, + const char *, const char *, zprop_source_t, const char *, + const char *); + +/* + * Iterator functions. + */ +typedef int (*zfs_iter_f)(zfs_handle_t *, void *); +extern int zfs_iter_root(libzfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_children(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_dependents(zfs_handle_t *, boolean_t, zfs_iter_f, void *); +extern int zfs_iter_filesystems(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_snapshots(zfs_handle_t *, zfs_iter_f, void *); +extern int zfs_iter_snapshots_sorted(zfs_handle_t *, zfs_iter_f, void *); + +typedef struct get_all_cb { + zfs_handle_t **cb_handles; + size_t cb_alloc; + size_t cb_used; + boolean_t cb_verbose; + int (*cb_getone)(zfs_handle_t *, void *); +} get_all_cb_t; + +void libzfs_add_handle(get_all_cb_t *, zfs_handle_t *); +int libzfs_dataset_cmp(const void *, const void *); + +/* + * Functions to create and destroy datasets. + */ +extern int zfs_create(libzfs_handle_t *, const char *, zfs_type_t, + nvlist_t *); +extern int zfs_create_ancestors(libzfs_handle_t *, const char *); +extern int zfs_destroy(zfs_handle_t *, boolean_t); +extern int zfs_destroy_snaps(zfs_handle_t *, char *, boolean_t); +extern int zfs_clone(zfs_handle_t *, const char *, nvlist_t *); +extern int zfs_snapshot(libzfs_handle_t *, const char *, boolean_t, nvlist_t *); +extern int zfs_rollback(zfs_handle_t *, zfs_handle_t *, boolean_t); +extern int zfs_rename(zfs_handle_t *, const char *, boolean_t); + +typedef struct sendflags { + /* print informational messages (ie, -v was specified) */ + int verbose : 1; + + /* recursive send (ie, -R) */ + int replicate : 1; + + /* for incrementals, do all intermediate snapshots */ + int doall : 1; /* (ie, -I) */ + + /* if dataset is a clone, do incremental from its origin */ + int fromorigin : 1; + + /* do deduplication */ + int dedup : 1; + + /* send properties (ie, -p) */ + int props : 1; +} sendflags_t; + +typedef boolean_t (snapfilter_cb_t)(zfs_handle_t *, void *); + +extern int zfs_send(zfs_handle_t *zhp, const char *fromsnap, const char *tosnap, + sendflags_t flags, int outfd, snapfilter_cb_t filter_func, + void *cb_arg, nvlist_t **debugnvp); + +extern int zfs_promote(zfs_handle_t *); +extern int zfs_hold(zfs_handle_t *, const char *, const char *, boolean_t, + boolean_t, boolean_t, int, uint64_t, uint64_t); +extern int zfs_release(zfs_handle_t *, const char *, const char *, boolean_t); +extern uint64_t zvol_volsize_to_reservation(uint64_t, nvlist_t *); + +typedef int (*zfs_userspace_cb_t)(void *arg, const char *domain, + uid_t rid, uint64_t space); + +extern int zfs_userspace(zfs_handle_t *zhp, zfs_userquota_prop_t type, + zfs_userspace_cb_t func, void *arg); + +typedef struct recvflags { + /* print informational messages (ie, -v was specified) */ + int verbose : 1; + + /* the destination is a prefix, not the exact fs (ie, -d) */ + int isprefix : 1; + + /* + * Only the tail of the sent snapshot path is appended to the + * destination to determine the received snapshot name (ie, -e). + */ + int istail : 1; + + /* do not actually do the recv, just check if it would work (ie, -n) */ + int dryrun : 1; + + /* rollback/destroy filesystems as necessary (eg, -F) */ + int force : 1; + + /* set "canmount=off" on all modified filesystems */ + int canmountoff : 1; + + /* byteswap flag is used internally; callers need not specify */ + int byteswap : 1; + + /* do not mount file systems as they are extracted (private) */ + int nomount : 1; +} recvflags_t; + +extern int zfs_receive(libzfs_handle_t *, const char *, recvflags_t, + int, avl_tree_t *); + +typedef enum diff_flags { + ZFS_DIFF_PARSEABLE = 0x1, + ZFS_DIFF_TIMESTAMP = 0x2, + ZFS_DIFF_CLASSIFY = 0x4 +} diff_flags_t; + +extern int zfs_show_diffs(zfs_handle_t *, int, const char *, const char *, + int); + +/* + * Miscellaneous functions. + */ +extern const char *zfs_type_to_name(zfs_type_t); +extern void zfs_refresh_properties(zfs_handle_t *); +extern int zfs_name_valid(const char *, zfs_type_t); +extern zfs_handle_t *zfs_path_to_zhandle(libzfs_handle_t *, char *, zfs_type_t); +extern boolean_t zfs_dataset_exists(libzfs_handle_t *, const char *, + zfs_type_t); +extern int zfs_spa_version(zfs_handle_t *, int *); + +/* + * Mount support functions. + */ +extern boolean_t is_mounted(libzfs_handle_t *, const char *special, char **); +extern boolean_t zfs_is_mounted(zfs_handle_t *, char **); +extern int zfs_mount(zfs_handle_t *, const char *, int); +extern int zfs_unmount(zfs_handle_t *, const char *, int); +extern int zfs_unmountall(zfs_handle_t *, int); + +/* + * Share support functions. + */ +extern boolean_t zfs_is_shared(zfs_handle_t *); +extern int zfs_share(zfs_handle_t *); +extern int zfs_unshare(zfs_handle_t *); + +/* + * Protocol-specific share support functions. + */ +extern boolean_t zfs_is_shared_nfs(zfs_handle_t *, char **); +extern boolean_t zfs_is_shared_smb(zfs_handle_t *, char **); +extern int zfs_share_nfs(zfs_handle_t *); +extern int zfs_share_smb(zfs_handle_t *); +extern int zfs_shareall(zfs_handle_t *); +extern int zfs_unshare_nfs(zfs_handle_t *, const char *); +extern int zfs_unshare_smb(zfs_handle_t *, const char *); +extern int zfs_unshareall_nfs(zfs_handle_t *); +extern int zfs_unshareall_smb(zfs_handle_t *); +extern int zfs_unshareall_bypath(zfs_handle_t *, const char *); +extern int zfs_unshareall(zfs_handle_t *); +extern int zfs_deleg_share_nfs(libzfs_handle_t *, char *, char *, char *, + void *, void *, int, zfs_share_op_t); + +/* + * Utility function to convert a number to a human-readable form. + */ +extern void zfs_nicenum(uint64_t, char *, size_t); +extern int zfs_nicestrtonum(libzfs_handle_t *, const char *, uint64_t *); + +/* + * Given a device or file, determine if it is part of a pool. + */ +extern int zpool_in_use(libzfs_handle_t *, int, pool_state_t *, char **, + boolean_t *); + +/* + * Label manipulation. + */ +extern int zpool_read_label(int, nvlist_t **); +extern int zpool_clear_label(int); + +/* + * Management interfaces for SMB ACL files + */ + +int zfs_smb_acl_add(libzfs_handle_t *, char *, char *, char *); +int zfs_smb_acl_remove(libzfs_handle_t *, char *, char *, char *); +int zfs_smb_acl_purge(libzfs_handle_t *, char *, char *); +int zfs_smb_acl_rename(libzfs_handle_t *, char *, char *, char *, char *); + +/* + * Enable and disable datasets within a pool by mounting/unmounting and + * sharing/unsharing them. + */ +extern int zpool_enable_datasets(zpool_handle_t *, const char *, int); +extern int zpool_disable_datasets(zpool_handle_t *, boolean_t); + +/* + * Mappings between vdev and FRU. + */ +extern void libzfs_fru_refresh(libzfs_handle_t *); +extern const char *libzfs_fru_lookup(libzfs_handle_t *, const char *); +extern const char *libzfs_fru_devpath(libzfs_handle_t *, const char *); +extern boolean_t libzfs_fru_compare(libzfs_handle_t *, const char *, + const char *); +extern boolean_t libzfs_fru_notself(libzfs_handle_t *, const char *); +extern int zpool_fru_set(zpool_handle_t *, uint64_t, const char *); + +#ifdef __cplusplus +} +#endif + +#endif /* _LIBZFS_H */ |