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 (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2011, 2015 by Delphix. All rights reserved.
27 #ifndef _LIBZFS_IMPL_H
28 #define _LIBZFS_IMPL_H
30 #include <sys/fs/zfs.h>
32 #include <sys/nvpair.h>
34 #include <sys/zfs_ioctl.h>
39 #include <libzfs_core.h>
41 #if defined(HAVE_LIBTOPO)
42 #include <fm/libtopo.h>
43 #endif /* HAVE_LIBTOPO */
49 typedef struct libzfs_fru {
52 struct libzfs_fru *zf_chain;
53 struct libzfs_fru *zf_next;
56 struct libzfs_handle {
60 FILE *libzfs_sharetab;
61 zpool_handle_t *libzfs_pool_handles;
62 uu_avl_pool_t *libzfs_ns_avlpool;
63 uu_avl_t *libzfs_ns_avl;
64 uint64_t libzfs_ns_gen;
65 int libzfs_desc_active;
66 char libzfs_action[1024];
67 char libzfs_desc[1024];
69 int libzfs_storeerr; /* stuff error messages into buffer */
70 void *libzfs_sharehdl; /* libshare handle */
71 uint_t libzfs_shareflags;
72 boolean_t libzfs_mnttab_enable;
73 avl_tree_t libzfs_mnttab_cache;
75 #if defined(HAVE_LIBTOPO)
76 topo_hdl_t *libzfs_topo_hdl;
77 libzfs_fru_t **libzfs_fru_hash;
78 libzfs_fru_t *libzfs_fru_list;
79 #endif /* HAVE_LIBTOPO */
80 char libzfs_chassis_id[256];
83 #define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */
86 libzfs_handle_t *zfs_hdl;
87 zpool_handle_t *zpool_hdl;
88 char zfs_name[ZFS_MAX_DATASET_NAME_LEN];
89 zfs_type_t zfs_type; /* type including snapshot */
90 zfs_type_t zfs_head_type; /* type excluding snapshot */
91 dmu_objset_stats_t zfs_dmustats;
93 nvlist_t *zfs_user_props;
94 nvlist_t *zfs_recvd_props;
95 boolean_t zfs_mntcheck;
97 uint8_t *zfs_props_table;
101 * This is different from checking zfs_type, because it will also catch
102 * snapshots of volumes.
104 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME)
106 struct zpool_handle {
107 libzfs_handle_t *zpool_hdl;
108 zpool_handle_t *zpool_next;
109 char zpool_name[ZFS_MAX_DATASET_NAME_LEN];
111 size_t zpool_config_size;
112 nvlist_t *zpool_config;
113 nvlist_t *zpool_old_config;
114 nvlist_t *zpool_props;
115 diskaddr_t zpool_start_block;
125 * The following can be used as a bitmask and any new values
126 * added must preserve that capability.
129 SHARED_NOT_SHARED = 0x0,
134 #define CONFIG_BUF_MINSIZE 65536
136 int zfs_error(libzfs_handle_t *, int, const char *);
137 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...);
138 void zfs_error_aux(libzfs_handle_t *, const char *, ...);
139 void *zfs_alloc(libzfs_handle_t *, size_t);
140 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t);
141 char *zfs_asprintf(libzfs_handle_t *, const char *, ...);
142 char *zfs_strdup(libzfs_handle_t *, const char *);
143 int no_memory(libzfs_handle_t *);
145 int zfs_standard_error(libzfs_handle_t *, int, const char *);
146 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
147 int zpool_standard_error(libzfs_handle_t *, int, const char *);
148 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...);
150 zfs_handle_t *make_dataset_handle_zc(libzfs_handle_t *, zfs_cmd_t *);
151 zfs_handle_t *make_dataset_simple_handle_zc(zfs_handle_t *, zfs_cmd_t *);
153 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t,
154 nvlist_t *, char **, uint64_t *, const char *);
155 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp,
159 * Use this changelist_gather() flag to force attempting mounts
160 * on each change node regardless of whether or not it is currently
163 #define CL_GATHER_MOUNT_ALWAYS 1
165 typedef struct prop_changelist prop_changelist_t;
167 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t);
168 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
169 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *);
170 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *);
171 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **);
172 void zcmd_free_nvlists(zfs_cmd_t *);
174 int changelist_prefix(prop_changelist_t *);
175 int changelist_postfix(prop_changelist_t *);
176 void changelist_rename(prop_changelist_t *, const char *, const char *);
177 void changelist_remove(prop_changelist_t *, const char *);
178 void changelist_free(prop_changelist_t *);
179 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int, int);
180 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *);
181 int changelist_haszonedchild(prop_changelist_t *);
183 void remove_mountpoint(zfs_handle_t *);
184 int create_parents(libzfs_handle_t *, char *, int);
185 boolean_t isa_child_of(const char *dataset, const char *parent);
187 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *);
188 zfs_handle_t *make_bookmark_handle(zfs_handle_t *, const char *,
191 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **);
193 boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *);
195 int zfs_validate_name(libzfs_handle_t *hdl, const char *path, int type,
196 boolean_t modifying);
198 void namespace_clear(libzfs_handle_t *);
201 * libshare (sharemgr) interfaces used internally.
204 extern int zfs_init_libshare(libzfs_handle_t *, int);
205 extern void zfs_uninit_libshare(libzfs_handle_t *);
206 extern int zfs_parse_options(char *, zfs_share_proto_t);
208 extern int zfs_unshare_proto(zfs_handle_t *,
209 const char *, zfs_share_proto_t *);
211 extern void libzfs_fru_clear(libzfs_handle_t *, boolean_t);
217 #endif /* _LIBZFS_IMPL_H */