1 /* 2 * CDDL HEADER SART 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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _LIBFS_IMPL_H 28 #define _LIBFS_IMPL_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/dmu.h> 33 #include <sys/fs/zfs.h> 34 #include <sys/zfs_ioctl.h> 35 #include <sys/zfs_acl.h> 36 #include <sys/spa.h> 37 #include <sys/nvpair.h> 38 39 #include <libuutil.h> 40 #include <libzfs.h> 41 #include <libshare.h> 42 43 #ifdef __cplusplus 44 extern "C" { 45 #endif 46 47 #ifdef VERIFY 48 #undef VERIFY 49 #endif 50 #define VERIFY verify 51 52 struct libzfs_handle { 53 int libzfs_error; 54 int libzfs_fd; 55 FILE *libzfs_mnttab; 56 FILE *libzfs_sharetab; 57 zpool_handle_t *libzfs_pool_handles; 58 uu_avl_pool_t *libzfs_ns_avlpool; 59 uu_avl_t *libzfs_ns_avl; 60 uint64_t libzfs_ns_gen; 61 int libzfs_desc_active; 62 char libzfs_action[1024]; 63 char libzfs_desc[1024]; 64 char *libzfs_log_str; 65 int libzfs_printerr; 66 void *libzfs_sharehdl; /* libshare handle */ 67 uint_t libzfs_shareflags; 68 }; 69 #define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */ 70 71 struct zfs_handle { 72 libzfs_handle_t *zfs_hdl; 73 zpool_handle_t *zpool_hdl; 74 char zfs_name[ZFS_MAXNAMELEN]; 75 zfs_type_t zfs_type; /* type including snapshot */ 76 zfs_type_t zfs_head_type; /* type excluding snapshot */ 77 dmu_objset_stats_t zfs_dmustats; 78 nvlist_t *zfs_props; 79 nvlist_t *zfs_user_props; 80 boolean_t zfs_mntcheck; 81 char *zfs_mntopts; 82 }; 83 84 /* 85 * This is different from checking zfs_type, because it will also catch 86 * snapshots of volumes. 87 */ 88 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME) 89 90 struct zpool_handle { 91 libzfs_handle_t *zpool_hdl; 92 zpool_handle_t *zpool_next; 93 char zpool_name[ZPOOL_MAXNAMELEN]; 94 int zpool_state; 95 size_t zpool_config_size; 96 nvlist_t *zpool_config; 97 nvlist_t *zpool_old_config; 98 nvlist_t *zpool_props; 99 diskaddr_t zpool_start_block; 100 }; 101 102 typedef enum { 103 PROTO_NFS = 0, 104 PROTO_SMB = 1, 105 PROTO_END = 2 106 } zfs_share_proto_t; 107 108 /* 109 * The following can be used as a bitmask and any new values 110 * added must preserve that capability. 111 */ 112 typedef enum { 113 SHARED_NOT_SHARED = 0x0, 114 SHARED_ISCSI = 0x1, 115 SHARED_NFS = 0x2, 116 SHARED_SMB = 0x4 117 } zfs_share_type_t; 118 119 int zfs_error(libzfs_handle_t *, int, const char *); 120 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...); 121 void zfs_error_aux(libzfs_handle_t *, const char *, ...); 122 void *zfs_alloc(libzfs_handle_t *, size_t); 123 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t); 124 char *zfs_strdup(libzfs_handle_t *, const char *); 125 int no_memory(libzfs_handle_t *); 126 127 int zfs_standard_error(libzfs_handle_t *, int, const char *); 128 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 129 int zpool_standard_error(libzfs_handle_t *, int, const char *); 130 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 131 132 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***, 133 size_t *); 134 135 136 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t, 137 nvlist_t *, char **, uint64_t *, const char *); 138 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, 139 zfs_type_t type); 140 141 typedef struct prop_changelist prop_changelist_t; 142 143 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t); 144 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 145 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 146 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *); 147 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **); 148 void zcmd_free_nvlists(zfs_cmd_t *); 149 150 int changelist_prefix(prop_changelist_t *); 151 int changelist_postfix(prop_changelist_t *); 152 void changelist_rename(prop_changelist_t *, const char *, const char *); 153 void changelist_remove(prop_changelist_t *, const char *); 154 void changelist_free(prop_changelist_t *); 155 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int); 156 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *); 157 int changelist_haszonedchild(prop_changelist_t *); 158 159 void remove_mountpoint(zfs_handle_t *); 160 int create_parents(libzfs_handle_t *, char *, int); 161 boolean_t isa_child_of(const char *dataset, const char *parent); 162 163 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); 164 165 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); 166 167 int zvol_create_link(libzfs_handle_t *, const char *); 168 int zvol_remove_link(libzfs_handle_t *, const char *); 169 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *); 170 boolean_t zpool_name_valid(libzfs_handle_t *, boolean_t, const char *); 171 172 void namespace_clear(libzfs_handle_t *); 173 174 /* 175 * libshare (sharemgr) interfaces used internally. 176 */ 177 178 extern int zfs_init_libshare(libzfs_handle_t *, int); 179 extern void zfs_uninit_libshare(libzfs_handle_t *); 180 extern int zfs_parse_options(char *, zfs_share_proto_t); 181 182 extern int zfs_unshare_proto(zfs_handle_t *zhp, 183 const char *, zfs_share_proto_t *); 184 #ifdef __cplusplus 185 } 186 #endif 187 188 #endif /* _LIBFS_IMPL_H */ 189