1*4d3c95f5SJorgen Lundman /* 2*4d3c95f5SJorgen Lundman * GRUB -- GRand Unified Bootloader 3*4d3c95f5SJorgen Lundman * Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc. 4*4d3c95f5SJorgen Lundman * 5*4d3c95f5SJorgen Lundman * This program is free software; you can redistribute it and/or modify 6*4d3c95f5SJorgen Lundman * it under the terms of the GNU General Public License as published by 7*4d3c95f5SJorgen Lundman * the Free Software Foundation; either version 2 of the License, or 8*4d3c95f5SJorgen Lundman * (at your option) any later version. 9*4d3c95f5SJorgen Lundman * 10*4d3c95f5SJorgen Lundman * This program is distributed in the hope that it will be useful, 11*4d3c95f5SJorgen Lundman * but WITHOUT ANY WARRANTY; without even the implied warranty of 12*4d3c95f5SJorgen Lundman * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13*4d3c95f5SJorgen Lundman * GNU General Public License for more details. 14*4d3c95f5SJorgen Lundman * 15*4d3c95f5SJorgen Lundman * You should have received a copy of the GNU General Public License 16*4d3c95f5SJorgen Lundman * along with this program; if not, write to the Free Software 17*4d3c95f5SJorgen Lundman * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 18*4d3c95f5SJorgen Lundman */ 19*4d3c95f5SJorgen Lundman /* 20*4d3c95f5SJorgen Lundman * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved. 21*4d3c95f5SJorgen Lundman */ 22*4d3c95f5SJorgen Lundman 23*4d3c95f5SJorgen Lundman #ifndef GRUB_ZFS_HEADER 24*4d3c95f5SJorgen Lundman #define GRUB_ZFS_HEADER 1 25*4d3c95f5SJorgen Lundman 26*4d3c95f5SJorgen Lundman 27*4d3c95f5SJorgen Lundman /* 28*4d3c95f5SJorgen Lundman * On-disk version number. 29*4d3c95f5SJorgen Lundman */ 30*4d3c95f5SJorgen Lundman #define SPA_VERSION 28ULL 31*4d3c95f5SJorgen Lundman 32*4d3c95f5SJorgen Lundman /* 33*4d3c95f5SJorgen Lundman * The following are configuration names used in the nvlist describing a pool's 34*4d3c95f5SJorgen Lundman * configuration. 35*4d3c95f5SJorgen Lundman */ 36*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_VERSION "version" 37*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_POOL_NAME "name" 38*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_POOL_STATE "state" 39*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_POOL_TXG "txg" 40*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_POOL_GUID "pool_guid" 41*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_CREATE_TXG "create_txg" 42*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_TOP_GUID "top_guid" 43*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_VDEV_TREE "vdev_tree" 44*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_TYPE "type" 45*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_CHILDREN "children" 46*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_ID "id" 47*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_GUID "guid" 48*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_PATH "path" 49*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DEVID "devid" 50*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array" 51*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift" 52*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_ASHIFT "ashift" 53*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_ASIZE "asize" 54*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DTL "DTL" 55*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_STATS "stats" 56*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_WHOLE_DISK "whole_disk" 57*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_ERRCOUNT "error_count" 58*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_NOT_PRESENT "not_present" 59*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_SPARES "spares" 60*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_IS_SPARE "is_spare" 61*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_NPARITY "nparity" 62*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_PHYS_PATH "phys_path" 63*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_L2CACHE "l2cache" 64*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_HOLE_ARRAY "hole_array" 65*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children" 66*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_IS_HOLE "is_hole" 67*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram" 68*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats" 69*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DDT_STATS "ddt_stats" 70*4d3c95f5SJorgen Lundman /* 71*4d3c95f5SJorgen Lundman * The persistent vdev state is stored as separate values rather than a single 72*4d3c95f5SJorgen Lundman * 'vdev_state' entry. This is because a device can be in multiple states, such 73*4d3c95f5SJorgen Lundman * as offline and degraded. 74*4d3c95f5SJorgen Lundman */ 75*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_OFFLINE "offline" 76*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_FAULTED "faulted" 77*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_DEGRADED "degraded" 78*4d3c95f5SJorgen Lundman #define ZPOOL_CONFIG_REMOVED "removed" 79*4d3c95f5SJorgen Lundman 80*4d3c95f5SJorgen Lundman #define VDEV_TYPE_ROOT "root" 81*4d3c95f5SJorgen Lundman #define VDEV_TYPE_MIRROR "mirror" 82*4d3c95f5SJorgen Lundman #define VDEV_TYPE_REPLACING "replacing" 83*4d3c95f5SJorgen Lundman #define VDEV_TYPE_RAIDZ "raidz" 84*4d3c95f5SJorgen Lundman #define VDEV_TYPE_DISK "disk" 85*4d3c95f5SJorgen Lundman #define VDEV_TYPE_FILE "file" 86*4d3c95f5SJorgen Lundman #define VDEV_TYPE_MISSING "missing" 87*4d3c95f5SJorgen Lundman #define VDEV_TYPE_HOLE "hole" 88*4d3c95f5SJorgen Lundman #define VDEV_TYPE_SPARE "spare" 89*4d3c95f5SJorgen Lundman #define VDEV_TYPE_L2CACHE "l2cache" 90*4d3c95f5SJorgen Lundman 91*4d3c95f5SJorgen Lundman /* 92*4d3c95f5SJorgen Lundman * pool state. The following states are written to disk as part of the normal 93*4d3c95f5SJorgen Lundman * SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining 94*4d3c95f5SJorgen Lundman * states are software abstractions used at various levels to communicate pool 95*4d3c95f5SJorgen Lundman * state. 96*4d3c95f5SJorgen Lundman */ 97*4d3c95f5SJorgen Lundman typedef enum pool_state { 98*4d3c95f5SJorgen Lundman POOL_STATE_ACTIVE = 0, /* In active use */ 99*4d3c95f5SJorgen Lundman POOL_STATE_EXPORTED, /* Explicitly exported */ 100*4d3c95f5SJorgen Lundman POOL_STATE_DESTROYED, /* Explicitly destroyed */ 101*4d3c95f5SJorgen Lundman POOL_STATE_SPARE, /* Reserved for hot spare use */ 102*4d3c95f5SJorgen Lundman POOL_STATE_L2CACHE, /* Level 2 ARC device */ 103*4d3c95f5SJorgen Lundman POOL_STATE_UNINITIALIZED, /* Internal spa_t state */ 104*4d3c95f5SJorgen Lundman POOL_STATE_UNAVAIL, /* Internal libzfs state */ 105*4d3c95f5SJorgen Lundman POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */ 106*4d3c95f5SJorgen Lundman } pool_state_t; 107*4d3c95f5SJorgen Lundman 108*4d3c95f5SJorgen Lundman struct zfs_data; 109*4d3c95f5SJorgen Lundman 110*4d3c95f5SJorgen Lundman int zfs_fetch_nvlist(device_t dev, char **nvlist); 111*4d3c95f5SJorgen Lundman int zfs_getmdnobj(device_t dev, const char *fsfilename, 112*4d3c95f5SJorgen Lundman uint64_t *mdnobj); 113*4d3c95f5SJorgen Lundman 114*4d3c95f5SJorgen Lundman char *zfs_nvlist_lookup_string(char *nvlist, char *name); 115*4d3c95f5SJorgen Lundman char *zfs_nvlist_lookup_nvlist(char *nvlist, char *name); 116*4d3c95f5SJorgen Lundman int zfs_nvlist_lookup_uint64(char *nvlist, char *name, 117*4d3c95f5SJorgen Lundman uint64_t *out); 118*4d3c95f5SJorgen Lundman char *zfs_nvlist_lookup_nvlist_array(char *nvlist, char *name, 119*4d3c95f5SJorgen Lundman size_t index); 120*4d3c95f5SJorgen Lundman int zfs_nvlist_lookup_nvlist_array_get_nelm(char *nvlist, char *name); 121*4d3c95f5SJorgen Lundman 122*4d3c95f5SJorgen Lundman #endif /* ! GRUB_ZFS_HEADER */ 123