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 (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved. 24 * Copyright 2013 Nexenta Systems, Inc. All rights reserved. 25 * Copyright 2016 Toomas Soome <tsoome@me.com> 26 * Copyright (c) 2015 by Delphix. All rights reserved. 27 */ 28 29 #ifndef _LIBBE_PRIV_H 30 #define _LIBBE_PRIV_H 31 32 #include <libnvpair.h> 33 #include <libzfs.h> 34 #include <instzones_api.h> 35 36 #ifdef __cplusplus 37 extern "C" { 38 #endif 39 40 #define ARCH_LENGTH MAXNAMELEN 41 #define BE_AUTO_NAME_MAX_TRY 3 42 #define BE_AUTO_NAME_DELIM '-' 43 #define BE_DEFAULTS "/etc/default/be" 44 #define BE_DFLT_BENAME_STARTS "BENAME_STARTS_WITH=" 45 #define BE_DFLT_BE_HAS_GRUB "BE_HAS_GRUB=" 46 #define BE_CONTAINER_DS_NAME "ROOT" 47 #define BE_DEFAULT_CONSOLE "text" 48 #define BE_POLICY_PROPERTY "org.opensolaris.libbe:policy" 49 #define BE_UUID_PROPERTY "org.opensolaris.libbe:uuid" 50 #define BE_PLCY_STATIC "static" 51 #define BE_PLCY_VOLATILE "volatile" 52 #define BE_GRUB_MENU "/boot/grub/menu.lst" 53 #define BE_SPARC_MENU "/boot/menu.lst" 54 #define BE_GRUB_COMMENT "#============ End of LIBBE entry =============" 55 #define BE_GRUB_SPLASH "splashimage /boot/solaris.xpm" 56 #define BE_GRUB_FOREGROUND "foreground 343434" 57 #define BE_GRUB_BACKGROUND "background F7FBFF" 58 #define BE_GRUB_DEFAULT "default 0" 59 #define BE_WHITE_SPACE " \t\r\n" 60 #define BE_CAP_FILE "/boot/grub/capability" 61 #define BE_INSTALL_GRUB "/sbin/installgrub" 62 #define BE_GRUB_STAGE_1 "/boot/grub/stage1" 63 #define BE_GRUB_STAGE_2 "/boot/grub/stage2" 64 #define BE_INSTALL_BOOT "/usr/sbin/installboot" 65 #define BE_LOADER_STAGE_1 "/boot/pmbr" 66 #define BE_LOADER_STAGE_2 "/boot/gptzfsboot" 67 #define BE_SPARC_BOOTBLK "/lib/fs/zfs/bootblk" 68 69 #define ZFS_CLOSE(_zhp) \ 70 if (_zhp) { \ 71 zfs_close(_zhp); \ 72 _zhp = NULL; \ 73 } 74 75 #define BE_ZONE_PARENTBE_PROPERTY "org.opensolaris.libbe:parentbe" 76 #define BE_ZONE_ACTIVE_PROPERTY "org.opensolaris.libbe:active" 77 #define BE_ZONE_SUPPORTED_BRANDS "ipkg labeled" 78 #define BE_ZONE_SUPPORTED_BRANDS_DELIM " " 79 80 /* Maximum length for the BE name. */ 81 #define BE_NAME_MAX_LEN 64 82 83 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 84 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 85 86 typedef struct be_transaction_data { 87 char *obe_name; /* Original BE name */ 88 char *obe_root_ds; /* Original BE root dataset */ 89 char *obe_zpool; /* Original BE pool */ 90 char *obe_snap_name; /* Original BE snapshot name */ 91 char *obe_altroot; /* Original BE altroot */ 92 char *nbe_name; /* New BE name */ 93 char *nbe_root_ds; /* New BE root dataset */ 94 char *nbe_zpool; /* New BE pool */ 95 char *nbe_desc; /* New BE description */ 96 nvlist_t *nbe_zfs_props; /* New BE dataset properties */ 97 char *policy; /* BE policy type */ 98 } be_transaction_data_t; 99 100 typedef struct be_mount_data { 101 char *altroot; /* Location of where to mount BE */ 102 boolean_t shared_fs; /* Mount shared file sytsems */ 103 boolean_t shared_rw; /* Mount shared file systems rw */ 104 } be_mount_data_t; 105 106 typedef struct be_unmount_data { 107 char *altroot; /* Location of where BE is mounted */ 108 boolean_t force; /* Forcibly unmount */ 109 } be_unmount_data_t; 110 111 typedef struct be_destroy_data { 112 boolean_t destroy_snaps; /* Destroy snapshots of BE */ 113 boolean_t force_unmount; /* Forcibly unmount BE if mounted */ 114 uuid_t gz_be_uuid; /* UUID of the global zone BE */ 115 } be_destroy_data_t; 116 117 typedef struct be_demote_data { 118 zfs_handle_t *clone_zhp; /* clone dataset to promote */ 119 time_t origin_creation; /* snapshot creation time of clone */ 120 const char *snapshot; /* snapshot of dataset being demoted */ 121 boolean_t find_in_BE; /* flag noting to find clone in BE */ 122 } be_demote_data_t; 123 124 typedef struct be_fs_list_data { 125 char *altroot; 126 char **fs_list; 127 int fs_num; 128 } be_fs_list_data_t; 129 130 typedef struct be_plcy_list { 131 char *be_plcy_name; 132 int be_num_max; 133 int be_num_min; 134 time_t be_age_max; 135 int be_usage_pcnt; 136 struct be_plcy_list *be_next_plcy; 137 }be_plcy_list_t; 138 139 struct be_defaults { 140 boolean_t be_deflt_rpool_container; 141 boolean_t be_deflt_grub; 142 char be_deflt_bename_starts_with[ZFS_MAX_DATASET_NAME_LEN]; 143 }; 144 145 /* Library globals */ 146 extern libzfs_handle_t *g_zfs; 147 extern boolean_t do_print; 148 149 /* be_create.c */ 150 int be_set_uuid(char *); 151 int be_get_uuid(const char *, uuid_t *); 152 153 /* be_list.c */ 154 int _be_list(char *, be_node_list_t **); 155 int be_get_zone_be_list(char *, char *, be_node_list_t **); 156 157 /* be_mount.c */ 158 int _be_mount(char *, char **, int); 159 int _be_unmount(char *, int); 160 int be_mount_pool(zfs_handle_t *, char **, char **, boolean_t *); 161 int be_unmount_pool(zfs_handle_t *, char *, char *); 162 int be_mount_zone_root(zfs_handle_t *, be_mount_data_t *); 163 int be_unmount_zone_root(zfs_handle_t *, be_unmount_data_t *); 164 int be_get_legacy_fs(char *, char *, char *, char *, be_fs_list_data_t *); 165 void be_free_fs_list(be_fs_list_data_t *); 166 char *be_get_ds_from_dir(char *); 167 int be_make_tmp_mountpoint(char **); 168 169 /* be_snapshot.c */ 170 int _be_create_snapshot(char *, char **, char *); 171 int _be_destroy_snapshot(char *, char *); 172 173 /* be_utils.c */ 174 boolean_t be_zfs_init(void); 175 void be_zfs_fini(void); 176 void be_make_root_ds(const char *, const char *, char *, int); 177 void be_make_container_ds(const char *, char *, int); 178 char *be_make_name_from_ds(const char *, char *); 179 int be_append_menu(char *, char *, char *, char *, char *); 180 int be_remove_menu(char *, char *, char *); 181 int be_update_menu(char *, char *, char *, char *); 182 int be_default_grub_bootfs(const char *, char **); 183 boolean_t be_has_menu_entry(char *, char *, int *); 184 int be_run_cmd(char *, char *, int, char *, int); 185 int be_change_grub_default(char *, char *); 186 int be_update_vfstab(char *, char *, char *, be_fs_list_data_t *, char *); 187 int be_update_zone_vfstab(zfs_handle_t *, char *, char *, char *, 188 be_fs_list_data_t *); 189 int be_maxsize_avail(zfs_handle_t *, uint64_t *); 190 char *be_auto_snap_name(void); 191 char *be_auto_be_name(char *); 192 char *be_auto_zone_be_name(char *, char *); 193 char *be_default_policy(void); 194 boolean_t valid_be_policy(char *); 195 boolean_t be_valid_auto_snap_name(char *); 196 boolean_t be_valid_be_name(const char *); 197 void be_print_err(char *, ...); 198 int be_find_current_be(be_transaction_data_t *); 199 int zfs_err_to_be_err(libzfs_handle_t *); 200 int errno_to_be_err(int); 201 202 /* be_activate.c */ 203 int _be_activate(char *); 204 int be_activate_current_be(void); 205 boolean_t be_is_active_on_boot(char *); 206 207 /* be_zones.c */ 208 void be_make_zoneroot(char *, char *, int); 209 int be_find_active_zone_root(zfs_handle_t *, char *, char *, int); 210 int be_find_mounted_zone_root(char *, char *, char *, int); 211 boolean_t be_zone_supported(char *); 212 zoneBrandList_t *be_get_supported_brandlist(void); 213 int be_zone_get_parent_uuid(const char *, uuid_t *); 214 int be_zone_set_parent_uuid(char *, uuid_t); 215 boolean_t be_zone_compare_uuids(char *); 216 217 /* check architecture functions */ 218 char *be_get_default_isa(void); 219 char *be_get_platform(void); 220 boolean_t be_is_isa(char *); 221 boolean_t be_has_grub(void); 222 223 /* callback functions */ 224 int be_exists_callback(zpool_handle_t *, void *); 225 int be_find_zpool_callback(zpool_handle_t *, void *); 226 int be_zpool_find_current_be_callback(zpool_handle_t *, void *); 227 int be_zfs_find_current_be_callback(zfs_handle_t *, void *); 228 int be_check_be_roots_callback(zpool_handle_t *, void *); 229 230 /* defaults */ 231 void be_get_defaults(struct be_defaults *defaults); 232 233 #ifdef __cplusplus 234 } 235 #endif 236 237 #endif /* _LIBBE_PRIV_H */ 238