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 2008 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
30 #pragma ident "@(#)libzfs_impl.h 1.27 08/04/14 SMI"
33 #include <sys/fs/zfs.h>
34 #include <sys/zfs_ioctl.h>
35 #include <sys/zfs_acl.h>
37 #include <sys/nvpair.h>
52 struct libzfs_handle {
56 FILE *libzfs_sharetab;
57 uu_avl_pool_t *libzfs_ns_avlpool;
58 uu_avl_t *libzfs_ns_avl;
59 uint64_t libzfs_ns_gen;
60 int libzfs_desc_active;
61 char libzfs_action[1024];
62 char libzfs_desc[1024];
65 void *libzfs_sharehdl; /* libshare handle */
66 uint_t libzfs_shareflags;
68 #define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */
71 libzfs_handle_t *zfs_hdl;
72 char zfs_name[ZFS_MAXNAMELEN];
73 zfs_type_t zfs_type; /* type including snapshot */
74 zfs_type_t zfs_head_type; /* type excluding snapshot */
75 dmu_objset_stats_t zfs_dmustats;
77 nvlist_t *zfs_user_props;
78 boolean_t zfs_mntcheck;
80 char zfs_root[MAXPATHLEN];
84 * This is different from checking zfs_type, because it will also catch
85 * snapshots of volumes.
87 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME)
90 libzfs_handle_t *zpool_hdl;
91 char zpool_name[ZPOOL_MAXNAMELEN];
93 size_t zpool_config_size;
94 nvlist_t *zpool_config;
95 nvlist_t *zpool_old_config;
96 nvlist_t *zpool_props;
97 diskaddr_t zpool_start_block;
107 * The following can be used as a bitmask and any new values
108 * added must preserve that capability.
111 SHARED_NOT_SHARED = 0x0,
117 int zfs_error(libzfs_handle_t *, int, const char *);
118 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...);
119 void zfs_error_aux(libzfs_handle_t *, const char *, ...);
120 void *zfs_alloc(libzfs_handle_t *, size_t);
121 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t);
122 char *zfs_strdup(libzfs_handle_t *, const char *);
123 int no_memory(libzfs_handle_t *);
125 int zfs_standard_error(libzfs_handle_t *, int, const char *);
126 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
127 int zpool_standard_error(libzfs_handle_t *, int, const char *);
128 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
130 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***,
134 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t,
135 nvlist_t *, char **, uint64_t *, const char *);
136 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp,
139 typedef struct prop_changelist prop_changelist_t;
141 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t);
142 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
143 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
144 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *);
145 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **);
146 void zcmd_free_nvlists(zfs_cmd_t *);
148 int changelist_prefix(prop_changelist_t *);
149 int changelist_postfix(prop_changelist_t *);
150 void changelist_rename(prop_changelist_t *, const char *, const char *);
151 void changelist_remove(prop_changelist_t *, const char *);
152 void changelist_free(prop_changelist_t *);
153 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int);
154 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *);
155 int changelist_haszonedchild(prop_changelist_t *);
157 void remove_mountpoint(zfs_handle_t *);
158 int create_parents(libzfs_handle_t *, char *, int);
159 boolean_t isa_child_of(const char *dataset, const char *parent);
161 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
163 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
165 int zvol_create_link(libzfs_handle_t *, const char *);
166 int zvol_remove_link(libzfs_handle_t *, const char *);
167 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *);
168 boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *);
170 void namespace_clear(libzfs_handle_t *);
173 * libshare (sharemgr) interfaces used internally.
176 extern int zfs_init_libshare(libzfs_handle_t *, int);
177 extern void zfs_uninit_libshare(libzfs_handle_t *);
178 extern int zfs_parse_options(char *, zfs_share_proto_t);
180 extern int zfs_unshare_proto(zfs_handle_t *zhp,
181 const char *, zfs_share_proto_t *);
186 #endif /* _LIBFS_IMPL_H */