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 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 uint_t libzfs_shareflags; 62 }; 63 #define ZFSSHARE_MISS 0x01 /* Didn't find entry in cache */ 64 65 struct zfs_handle { 66 libzfs_handle_t *zfs_hdl; 67 char zfs_name[ZFS_MAXNAMELEN]; 68 zfs_type_t zfs_type; /* type including snapshot */ 69 zfs_type_t zfs_head_type; /* type excluding snapshot */ 70 dmu_objset_stats_t zfs_dmustats; 71 nvlist_t *zfs_props; 72 nvlist_t *zfs_user_props; 73 boolean_t zfs_mntcheck; 74 char *zfs_mntopts; 75 char zfs_root[MAXPATHLEN]; 76 }; 77 78 /* 79 * This is different from checking zfs_type, because it will also catch 80 * snapshots of volumes. 81 */ 82 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME) 83 84 struct zpool_handle { 85 libzfs_handle_t *zpool_hdl; 86 char zpool_name[ZPOOL_MAXNAMELEN]; 87 int zpool_state; 88 size_t zpool_config_size; 89 nvlist_t *zpool_config; 90 nvlist_t *zpool_old_config; 91 nvlist_t *zpool_props; 92 diskaddr_t zpool_start_block; 93 }; 94 95 typedef enum { 96 PROTO_NFS = 0, 97 PROTO_SMB = 1, 98 PROTO_END = 2 99 } zfs_share_proto_t; 100 101 /* 102 * The following can be used as a bitmask and any new values 103 * added must preserve that capability. 104 */ 105 typedef enum { 106 SHARED_NOT_SHARED = 0x0, 107 SHARED_ISCSI = 0x1, 108 SHARED_NFS = 0x2, 109 SHARED_SMB = 0x4 110 } zfs_share_type_t; 111 112 int zfs_error(libzfs_handle_t *, int, const char *); 113 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...); 114 void zfs_error_aux(libzfs_handle_t *, const char *, ...); 115 void *zfs_alloc(libzfs_handle_t *, size_t); 116 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t); 117 char *zfs_strdup(libzfs_handle_t *, const char *); 118 int no_memory(libzfs_handle_t *); 119 120 int zfs_standard_error(libzfs_handle_t *, int, const char *); 121 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 122 int zpool_standard_error(libzfs_handle_t *, int, const char *); 123 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 124 125 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***, 126 size_t *); 127 128 129 int zprop_parse_value(libzfs_handle_t *, nvpair_t *, int, zfs_type_t, 130 nvlist_t *, char **, uint64_t *, const char *); 131 int zprop_expand_list(libzfs_handle_t *hdl, zprop_list_t **plp, 132 zfs_type_t type); 133 134 typedef struct prop_changelist prop_changelist_t; 135 136 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t); 137 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 138 int zcmd_write_conf_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *); 139 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *); 140 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **); 141 void zcmd_free_nvlists(zfs_cmd_t *); 142 143 int changelist_prefix(prop_changelist_t *); 144 int changelist_postfix(prop_changelist_t *); 145 void changelist_rename(prop_changelist_t *, const char *, const char *); 146 void changelist_remove(prop_changelist_t *, const char *); 147 void changelist_free(prop_changelist_t *); 148 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int); 149 int changelist_unshare(prop_changelist_t *, zfs_share_proto_t *); 150 int changelist_haszonedchild(prop_changelist_t *); 151 152 void remove_mountpoint(zfs_handle_t *); 153 int create_parents(libzfs_handle_t *, char *, int); 154 boolean_t isa_child_of(const char *dataset, const char *parent); 155 156 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); 157 158 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); 159 160 int zvol_create_link(libzfs_handle_t *, const char *); 161 int zvol_remove_link(libzfs_handle_t *, const char *); 162 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *); 163 164 void namespace_clear(libzfs_handle_t *); 165 166 /* 167 * libshare (sharemgr) interfaces used internally. 168 */ 169 170 extern int zfs_init_libshare(libzfs_handle_t *, int); 171 extern void zfs_uninit_libshare(libzfs_handle_t *); 172 extern int zfs_parse_options(char *, zfs_share_proto_t); 173 174 extern int zfs_unshare_proto(zfs_handle_t *zhp, 175 const char *, zfs_share_proto_t *); 176 #ifdef __cplusplus 177 } 178 #endif 179 180 #endif /* _LIBFS_IMPL_H */ 181