1 /* 2 * GRUB -- GRand Unified Bootloader 3 * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License as published by 7 * the Free Software Foundation; either version 2 of the License, or 8 * (at your option) any later version. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18 */ 19 /* 20 * Copyright 2007 Sun Microsystems, Inc. All rights reserved. 21 * Use is subject to license terms. 22 */ 23 24 #ifndef _SYS_FS_ZFS_H 25 #define _SYS_FS_ZFS_H 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* 30 * On-disk version number. 31 */ 32 #define ZFS_VERSION_1 1ULL 33 #define ZFS_VERSION_2 2ULL 34 #define ZFS_VERSION_3 3ULL 35 #define ZFS_VERSION_4 4ULL 36 #define ZFS_VERSION_5 5ULL 37 #define ZFS_VERSION_6 6ULL 38 #define ZFS_VERSION ZFS_VERSION_6 39 40 /* 41 * The following are configuration names used in the nvlist describing a pool's 42 * configuration. 43 */ 44 #define ZPOOL_CONFIG_VERSION "version" 45 #define ZPOOL_CONFIG_POOL_NAME "name" 46 #define ZPOOL_CONFIG_POOL_STATE "state" 47 #define ZPOOL_CONFIG_POOL_TXG "txg" 48 #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 49 #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 50 #define ZPOOL_CONFIG_TOP_GUID "top_guid" 51 #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 52 #define ZPOOL_CONFIG_TYPE "type" 53 #define ZPOOL_CONFIG_CHILDREN "children" 54 #define ZPOOL_CONFIG_ID "id" 55 #define ZPOOL_CONFIG_GUID "guid" 56 #define ZPOOL_CONFIG_PATH "path" 57 #define ZPOOL_CONFIG_DEVID "devid" 58 #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 59 #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 60 #define ZPOOL_CONFIG_ASHIFT "ashift" 61 #define ZPOOL_CONFIG_ASIZE "asize" 62 #define ZPOOL_CONFIG_DTL "DTL" 63 #define ZPOOL_CONFIG_STATS "stats" 64 #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 65 #define ZPOOL_CONFIG_OFFLINE "offline" 66 #define ZPOOL_CONFIG_ERRCOUNT "error_count" 67 #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 68 #define ZPOOL_CONFIG_SPARES "spares" 69 #define ZPOOL_CONFIG_IS_SPARE "is_spare" 70 #define ZPOOL_CONFIG_NPARITY "nparity" 71 72 #define VDEV_TYPE_ROOT "root" 73 #define VDEV_TYPE_MIRROR "mirror" 74 #define VDEV_TYPE_REPLACING "replacing" 75 #define VDEV_TYPE_RAIDZ "raidz" 76 #define VDEV_TYPE_DISK "disk" 77 #define VDEV_TYPE_FILE "file" 78 #define VDEV_TYPE_MISSING "missing" 79 #define VDEV_TYPE_SPARE "spare" 80 81 /* 82 * pool state. The following states are written to disk as part of the normal 83 * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE. The remaining states are 84 * software abstractions used at various levels to communicate pool state. 85 */ 86 typedef enum pool_state { 87 POOL_STATE_ACTIVE = 0, /* In active use */ 88 POOL_STATE_EXPORTED, /* Explicitly exported */ 89 POOL_STATE_DESTROYED, /* Explicitly destroyed */ 90 POOL_STATE_SPARE, /* Reserved for hot spare use */ 91 POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 92 POOL_STATE_UNAVAIL, /* Internal libzfs state */ 93 POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 94 } pool_state_t; 95 96 #endif /* _SYS_FS_ZFS_H */ 97