1 /* 2 * CDDL HEADER START 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 2007 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 struct libzfs_handle { 48 int libzfs_error; 49 int libzfs_fd; 50 FILE *libzfs_mnttab; 51 FILE *libzfs_sharetab; 52 uu_avl_pool_t *libzfs_ns_avlpool; 53 uu_avl_t *libzfs_ns_avl; 54 uint64_t libzfs_ns_gen; 55 int libzfs_desc_active; 56 char libzfs_action[1024]; 57 char libzfs_desc[1024]; 58 char *libzfs_log_str; 59 int libzfs_printerr; 60 void *libzfs_sharehdl; /* libshare handle */ 61 }; 62 63 struct zfs_handle { 64 libzfs_handle_t *zfs_hdl; 65 char zfs_name[ZFS_MAXNAMELEN]; 66 zfs_type_t zfs_type; /* type including snapshot */ 67 zfs_type_t zfs_head_type; /* type excluding snapshot */ 68 dmu_objset_stats_t zfs_dmustats; 69 nvlist_t *zfs_props; 70 nvlist_t *zfs_user_props; 71 boolean_t zfs_mntcheck; 72 char *zfs_mntopts; 73 char zfs_root[MAXPATHLEN]; 74 }; 75 76 /* 77 * This is different from checking zfs_type, because it will also catch 78 * snapshots of volumes. 79 */ 80 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME) 81 82 struct zpool_handle { 83 libzfs_handle_t *zpool_hdl; 84 char zpool_name[ZPOOL_MAXNAMELEN]; 85 int zpool_state; 86 size_t zpool_config_size; 87 nvlist_t *zpool_config; 88 nvlist_t *zpool_old_config; 89 nvlist_t *zpool_props; 90 diskaddr_t zpool_start_block; 91 }; 92 93 typedef enum { 94 PROTO_NFS = 0, 95 PROTO_SMB = 1, 96 PROTO_END = 2 97 } zfs_share_proto_t; 98 99 /* 100 * The following can be used as a bitmask and any new values 101 * added must preserve that capability. 102 */ 103 typedef enum { 104 SHARED_NOT_SHARED = 0x0, 105 SHARED_ISCSI = 0x1, 106 SHARED_NFS = 0x2, 107 SHARED_SMB = 0x4 108 } zfs_share_type_t; 109 110 int zfs_error(libzfs_handle_t *, int, const char *); 111 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...); 112 void zfs_error_aux(libzfs_handle_t *, const char *, ...); 113 void *zfs_alloc(libzfs_handle_t *, size_t); 114 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t); 115 char *zfs_strdup(libzfs_handle_t *, const char *); 116 int no_memory(libzfs_handle_t *); 117 118 int zfs_standard_error(libzfs_handle_t *, int, const char *); 119 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 120 int zpool_standard_error(libzfs_handle_t *, int, const char *); 121 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 122 123 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***, 124 size_t *); 125 126 127 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t, 128 nvlist_t *, char **, uint64_t *, const char *); 129 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, 130 zfs_type_t type); 131 132 typedef struct prop_changelist prop_changelist_t; 133 134 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t); 135 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 136 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 137 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *); 138 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **); 139 void zcmd_free_nvlists(zfs_cmd_t *); 140 141 int changelist_prefix(prop_changelist_t *); 142 int changelist_postfix(prop_changelist_t *); 143 void changelist_rename(prop_changelist_t *, const char *, const char *); 144 void changelist_remove(zfs_handle_t *, prop_changelist_t *); 145 void changelist_free(prop_changelist_t *); 146 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int); 147 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *); 148 int changelist_haszonedchild(prop_changelist_t *); 149 150 void remove_mountpoint(zfs_handle_t *); 151 152 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); 153 154 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); 155 156 int zvol_create_link(libzfs_handle_t *, const char *); 157 int zvol_remove_link(libzfs_handle_t *, const char *); 158 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *); 159 160 void namespace_clear(libzfs_handle_t *); 161 162 /* 163 * libshare (sharemgr) interfaces used internally. 164 */ 165 166 extern int zfs_init_libshare(libzfs_handle_t *, int); 167 extern void zfs_uninit_libshare(libzfs_handle_t *); 168 extern int zfs_parse_options(char *, zfs_share_proto_t); 169 170 extern int zfs_unshare_proto(zfs_handle_t *zhp, 171 const char *, zfs_share_proto_t *); 172 #ifdef __cplusplus 173 } 174 #endif 175 176 #endif /* _LIBFS_IMPL_H */ 177