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.
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.
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]
23 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
30 #pragma ident "%Z%%M% %I% %E% SMI"
33 #include <sys/fs/zfs.h>
34 #include <sys/zfs_ioctl.h>
35 #include <sys/zfs_acl.h>
36 #include <sys/nvpair.h>
45 struct libzfs_handle {
49 FILE *libzfs_sharetab;
50 uu_avl_pool_t *libzfs_ns_avlpool;
51 uu_avl_t *libzfs_ns_avl;
52 uint64_t libzfs_ns_gen;
53 int libzfs_desc_active;
54 char libzfs_action[1024];
55 char libzfs_desc[1024];
60 libzfs_handle_t *zfs_hdl;
61 char zfs_name[ZFS_MAXNAMELEN];
62 zfs_type_t zfs_type; /* type including snapshot */
63 zfs_type_t zfs_head_type; /* type excluding snapshot */
64 dmu_objset_stats_t zfs_dmustats;
66 nvlist_t *zfs_user_props;
67 boolean_t zfs_mntcheck;
69 char zfs_root[MAXPATHLEN];
73 * This is different from checking zfs_type, because it will also catch
74 * snapshots of volumes.
76 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME)
79 libzfs_handle_t *zpool_hdl;
80 char zpool_name[ZPOOL_MAXNAMELEN];
82 size_t zpool_config_size;
83 nvlist_t *zpool_config;
84 nvlist_t *zpool_old_config;
85 nvlist_t *zpool_props;
88 int zfs_error(libzfs_handle_t *, int, const char *);
89 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...);
90 void zfs_error_aux(libzfs_handle_t *, const char *, ...);
91 void *zfs_alloc(libzfs_handle_t *, size_t);
92 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t);
93 char *zfs_strdup(libzfs_handle_t *, const char *);
94 int no_memory(libzfs_handle_t *);
96 int zfs_standard_error(libzfs_handle_t *, int, const char *);
97 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
98 int zpool_standard_error(libzfs_handle_t *, int, const char *);
99 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
101 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***,
104 int zfs_expand_proplist_common(libzfs_handle_t *, zfs_proplist_t **,
106 int zfs_get_proplist_common(libzfs_handle_t *, char *, zfs_proplist_t **,
108 zfs_prop_t zfs_prop_iter_common(zfs_prop_f, void *, zfs_type_t, boolean_t);
109 zfs_prop_t zfs_name_to_prop_common(const char *, zfs_type_t);
111 nvlist_t *zfs_validate_properties(libzfs_handle_t *, zfs_type_t, char *,
112 nvlist_t *, uint64_t, zfs_handle_t *zhp, const char *errbuf);
114 typedef struct prop_changelist prop_changelist_t;
116 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t);
117 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *, size_t *);
118 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *);
119 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **);
120 void zcmd_free_nvlists(zfs_cmd_t *);
122 int changelist_prefix(prop_changelist_t *);
123 int changelist_postfix(prop_changelist_t *);
124 void changelist_rename(prop_changelist_t *, const char *, const char *);
125 void changelist_remove(zfs_handle_t *, prop_changelist_t *);
126 void changelist_free(prop_changelist_t *);
127 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int);
128 int changelist_unshare(prop_changelist_t *);
129 int changelist_haszonedchild(prop_changelist_t *);
131 void remove_mountpoint(zfs_handle_t *);
133 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
135 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
137 int zvol_create_link(libzfs_handle_t *, const char *);
138 int zvol_remove_link(libzfs_handle_t *, const char *);
139 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *);
141 void namespace_clear(libzfs_handle_t *);
145 * This is FreeBSD version of ioctl, because Solaris' ioctl() updates
146 * zc_nvlist_dst_size even if an error is returned, on FreeBSD if an
147 * error is returned zc_nvlist_dst_size won't be updated.
150 zcmd_ioctl(int fd, unsigned long cmd, zfs_cmd_t *zc)
155 oldsize = zc->zc_nvlist_dst_size;
156 ret = ioctl(fd, cmd, zc);
157 if (ret == 0 && oldsize < zc->zc_nvlist_dst_size) {
164 #define ioctl(fd, cmd, zc) zcmd_ioctl((fd), (cmd), (zc))
171 #endif /* _LIBFS_IMPL_H */