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/nvpair.h> 37 38 #include <libuutil.h> 39 #include <libzfs.h> 40 #include <libshare.h> 41 42 #ifdef __cplusplus 43 extern "C" { 44 #endif 45 46 struct libzfs_handle { 47 int libzfs_error; 48 int libzfs_fd; 49 FILE *libzfs_mnttab; 50 FILE *libzfs_sharetab; 51 uu_avl_pool_t *libzfs_ns_avlpool; 52 uu_avl_t *libzfs_ns_avl; 53 uint64_t libzfs_ns_gen; 54 int libzfs_desc_active; 55 char libzfs_action[1024]; 56 char libzfs_desc[1024]; 57 int libzfs_printerr; 58 void *libzfs_sharehdl; /* libshare handle */ 59 }; 60 61 struct zfs_handle { 62 libzfs_handle_t *zfs_hdl; 63 char zfs_name[ZFS_MAXNAMELEN]; 64 zfs_type_t zfs_type; /* type including snapshot */ 65 zfs_type_t zfs_head_type; /* type excluding snapshot */ 66 dmu_objset_stats_t zfs_dmustats; 67 nvlist_t *zfs_props; 68 nvlist_t *zfs_user_props; 69 boolean_t zfs_mntcheck; 70 char *zfs_mntopts; 71 char zfs_root[MAXPATHLEN]; 72 }; 73 74 /* 75 * This is different from checking zfs_type, because it will also catch 76 * snapshots of volumes. 77 */ 78 #define ZFS_IS_VOLUME(zhp) ((zhp)->zfs_head_type == ZFS_TYPE_VOLUME) 79 80 struct zpool_handle { 81 libzfs_handle_t *zpool_hdl; 82 char zpool_name[ZPOOL_MAXNAMELEN]; 83 int zpool_state; 84 size_t zpool_config_size; 85 nvlist_t *zpool_config; 86 nvlist_t *zpool_old_config; 87 nvlist_t *zpool_props; 88 diskaddr_t zpool_start_block; 89 }; 90 91 int zfs_error(libzfs_handle_t *, int, const char *); 92 int zfs_error_fmt(libzfs_handle_t *, int, const char *, ...); 93 void zfs_error_aux(libzfs_handle_t *, const char *, ...); 94 void *zfs_alloc(libzfs_handle_t *, size_t); 95 void *zfs_realloc(libzfs_handle_t *, void *, size_t, size_t); 96 char *zfs_strdup(libzfs_handle_t *, const char *); 97 int no_memory(libzfs_handle_t *); 98 99 int zfs_standard_error(libzfs_handle_t *, int, const char *); 100 int zfs_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 101 int zpool_standard_error(libzfs_handle_t *, int, const char *); 102 int zpool_standard_error_fmt(libzfs_handle_t *, int, const char *, ...); 103 104 int get_dependents(libzfs_handle_t *, boolean_t, const char *, char ***, 105 size_t *); 106 107 int zfs_expand_proplist_common(libzfs_handle_t *, zfs_proplist_t **, 108 zfs_type_t); 109 int zfs_get_proplist_common(libzfs_handle_t *, char *, zfs_proplist_t **, 110 zfs_type_t); 111 zfs_prop_t zfs_prop_iter_common(zfs_prop_f, void *, zfs_type_t, boolean_t); 112 zfs_prop_t zfs_name_to_prop_common(const char *, zfs_type_t); 113 114 nvlist_t *zfs_validate_properties(libzfs_handle_t *, zfs_type_t, char *, 115 nvlist_t *, uint64_t, zfs_handle_t *zhp, const char *errbuf); 116 117 typedef struct prop_changelist prop_changelist_t; 118 119 int zcmd_alloc_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, size_t); 120 int zcmd_write_src_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t *, size_t *); 121 int zcmd_expand_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *); 122 int zcmd_read_dst_nvlist(libzfs_handle_t *, zfs_cmd_t *, nvlist_t **); 123 void zcmd_free_nvlists(zfs_cmd_t *); 124 125 int changelist_prefix(prop_changelist_t *); 126 int changelist_postfix(prop_changelist_t *); 127 void changelist_rename(prop_changelist_t *, const char *, const char *); 128 void changelist_remove(zfs_handle_t *, prop_changelist_t *); 129 void changelist_free(prop_changelist_t *); 130 prop_changelist_t *changelist_gather(zfs_handle_t *, zfs_prop_t, int); 131 int changelist_unshare(prop_changelist_t *); 132 int changelist_haszonedchild(prop_changelist_t *); 133 134 void remove_mountpoint(zfs_handle_t *); 135 136 zfs_handle_t *make_dataset_handle(libzfs_handle_t *, const char *); 137 138 int zpool_open_silent(libzfs_handle_t *, const char *, zpool_handle_t **); 139 140 int zvol_create_link(libzfs_handle_t *, const char *); 141 int zvol_remove_link(libzfs_handle_t *, const char *); 142 int zpool_iter_zvol(zpool_handle_t *, int (*)(const char *, void *), void *); 143 144 void namespace_clear(libzfs_handle_t *); 145 146 /* 147 * libshare (sharemgr) interfaces used internally. 148 */ 149 150 extern int zfs_init_libshare(libzfs_handle_t *, int); 151 extern void zfs_uninit_libshare(libzfs_handle_t *); 152 extern int zfs_parse_options(char *, char *); 153 154 #ifdef __cplusplus 155 } 156 #endif 157 158 #endif /* _LIBFS_IMPL_H */ 159