11b8adde7SWilliam Kucharski /* 21b8adde7SWilliam Kucharski * GRUB -- GRand Unified Bootloader 31b8adde7SWilliam Kucharski * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 41b8adde7SWilliam Kucharski * 51b8adde7SWilliam Kucharski * This program is free software; you can redistribute it and/or modify 61b8adde7SWilliam Kucharski * it under the terms of the GNU General Public License as published by 71b8adde7SWilliam Kucharski * the Free Software Foundation; either version 2 of the License, or 81b8adde7SWilliam Kucharski * (at your option) any later version. 91b8adde7SWilliam Kucharski * 101b8adde7SWilliam Kucharski * This program is distributed in the hope that it will be useful, 111b8adde7SWilliam Kucharski * but WITHOUT ANY WARRANTY; without even the implied warranty of 121b8adde7SWilliam Kucharski * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 131b8adde7SWilliam Kucharski * GNU General Public License for more details. 141b8adde7SWilliam Kucharski * 151b8adde7SWilliam Kucharski * You should have received a copy of the GNU General Public License 161b8adde7SWilliam Kucharski * along with this program; if not, write to the Free Software 171b8adde7SWilliam Kucharski * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 181b8adde7SWilliam Kucharski */ 19*ad135b5dSChristopher Siden 201b8adde7SWilliam Kucharski /* 213f9d6ad7SLin Ling * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. 22*ad135b5dSChristopher Siden * Copyright (c) 2012 by Delphix. All rights reserved. 231b8adde7SWilliam Kucharski */ 241b8adde7SWilliam Kucharski 251b8adde7SWilliam Kucharski #ifndef _SYS_FS_ZFS_H 261b8adde7SWilliam Kucharski #define _SYS_FS_ZFS_H 271b8adde7SWilliam Kucharski 281b8adde7SWilliam Kucharski /* 291b8adde7SWilliam Kucharski * On-disk version number. 301b8adde7SWilliam Kucharski */ 31*ad135b5dSChristopher Siden #define SPA_VERSION_INITIAL 1ULL 32*ad135b5dSChristopher Siden #define SPA_VERSION_BEFORE_FEATURES 28ULL 33*ad135b5dSChristopher Siden #define SPA_VERSION 5000ULL 34*ad135b5dSChristopher Siden #define SPA_VERSION_FEATURES 5000ULL 35*ad135b5dSChristopher Siden 36*ad135b5dSChristopher Siden #define SPA_VERSION_IS_SUPPORTED(v) \ 37*ad135b5dSChristopher Siden (((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \ 38*ad135b5dSChristopher Siden ((v) >= SPA_VERSION_FEATURES && (v) <= SPA_VERSION)) 391b8adde7SWilliam Kucharski 401b8adde7SWilliam Kucharski /* 411b8adde7SWilliam Kucharski * The following are configuration names used in the nvlist describing a pool's 421b8adde7SWilliam Kucharski * configuration. 431b8adde7SWilliam Kucharski */ 441b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_VERSION "version" 451b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_POOL_NAME "name" 461b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_POOL_STATE "state" 471b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_POOL_TXG "txg" 481b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 491b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 501b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_TOP_GUID "top_guid" 511b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 521b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_TYPE "type" 531b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_CHILDREN "children" 541b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_ID "id" 551b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_GUID "guid" 561b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_PATH "path" 571b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_DEVID "devid" 581b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 591b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 601b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_ASHIFT "ashift" 611b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_ASIZE "asize" 621b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_DTL "DTL" 631b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_STATS "stats" 641b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 651b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_ERRCOUNT "error_count" 661b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 671b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_SPARES "spares" 681b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_IS_SPARE "is_spare" 691b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_NPARITY "nparity" 701b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_PHYS_PATH "phys_path" 711b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_L2CACHE "l2cache" 7288ecc943SGeorge Wilson #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 7388ecc943SGeorge Wilson #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 7488ecc943SGeorge Wilson #define ZPOOL_CONFIG_IS_HOLE "is_hole" 759eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 769eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 779eb19f4dSGeorge Wilson #define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 78*ad135b5dSChristopher Siden #define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read" 791b8adde7SWilliam Kucharski /* 801b8adde7SWilliam Kucharski * The persistent vdev state is stored as separate values rather than a single 811b8adde7SWilliam Kucharski * 'vdev_state' entry. This is because a device can be in multiple states, such 821b8adde7SWilliam Kucharski * as offline and degraded. 831b8adde7SWilliam Kucharski */ 841b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_OFFLINE "offline" 851b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_FAULTED "faulted" 861b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_DEGRADED "degraded" 871b8adde7SWilliam Kucharski #define ZPOOL_CONFIG_REMOVED "removed" 881b8adde7SWilliam Kucharski 891b8adde7SWilliam Kucharski #define VDEV_TYPE_ROOT "root" 901b8adde7SWilliam Kucharski #define VDEV_TYPE_MIRROR "mirror" 911b8adde7SWilliam Kucharski #define VDEV_TYPE_REPLACING "replacing" 921b8adde7SWilliam Kucharski #define VDEV_TYPE_RAIDZ "raidz" 931b8adde7SWilliam Kucharski #define VDEV_TYPE_DISK "disk" 941b8adde7SWilliam Kucharski #define VDEV_TYPE_FILE "file" 951b8adde7SWilliam Kucharski #define VDEV_TYPE_MISSING "missing" 9688ecc943SGeorge Wilson #define VDEV_TYPE_HOLE "hole" 971b8adde7SWilliam Kucharski #define VDEV_TYPE_SPARE "spare" 981b8adde7SWilliam Kucharski #define VDEV_TYPE_L2CACHE "l2cache" 991b8adde7SWilliam Kucharski 1001b8adde7SWilliam Kucharski /* 1011b8adde7SWilliam Kucharski * pool state. The following states are written to disk as part of the normal 1021b8adde7SWilliam Kucharski * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 1031b8adde7SWilliam Kucharski * states are software abstractions used at various levels to communicate pool 1041b8adde7SWilliam Kucharski * state. 1051b8adde7SWilliam Kucharski */ 1061b8adde7SWilliam Kucharski typedef enum pool_state { 1071b8adde7SWilliam Kucharski POOL_STATE_ACTIVE = 0, /* In active use */ 1081b8adde7SWilliam Kucharski POOL_STATE_EXPORTED, /* Explicitly exported */ 1091b8adde7SWilliam Kucharski POOL_STATE_DESTROYED, /* Explicitly destroyed */ 1101b8adde7SWilliam Kucharski POOL_STATE_SPARE, /* Reserved for hot spare use */ 1111b8adde7SWilliam Kucharski POOL_STATE_L2CACHE, /* Level 2 ARC device */ 1121b8adde7SWilliam Kucharski POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 1131b8adde7SWilliam Kucharski POOL_STATE_UNAVAIL, /* Internal libzfs state */ 1141b8adde7SWilliam Kucharski POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 1151b8adde7SWilliam Kucharski } pool_state_t; 1161b8adde7SWilliam Kucharski 1171b8adde7SWilliam Kucharski #endif /* _SYS_FS_ZFS_H */ 118