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https://github.com/xen-project/xen.git
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Keir Fraser
622e368758
Add support to pygrub and libfsimage to boot ZFS root filesystems. Boot argument of zfs-bootfs is set to describe ZFS root pool and boot filesystem object number. Boot argument bootpath is set to describe the virtual device root mirror components. Signed-off-by: Susan Kamm-Worrell <susan.kamm-worrell@sun.com>
113 lines
3.9 KiB
C
113 lines
3.9 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 1999,2000,2001,2002,2003,2004 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/*
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* Copyright 2008 Sun Microsystems, Inc. All rights reserved.
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* Use is subject to license terms.
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*/
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#ifndef _SYS_FS_ZFS_H
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#define _SYS_FS_ZFS_H
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/*
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* On-disk version number.
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*/
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#define SPA_VERSION_1 1ULL
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#define SPA_VERSION_2 2ULL
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#define SPA_VERSION_3 3ULL
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#define SPA_VERSION_4 4ULL
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#define SPA_VERSION_5 5ULL
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#define SPA_VERSION_6 6ULL
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#define SPA_VERSION_7 7ULL
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#define SPA_VERSION_8 8ULL
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#define SPA_VERSION_9 9ULL
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#define SPA_VERSION_10 10ULL
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#define SPA_VERSION SPA_VERSION_10
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/*
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* The following are configuration names used in the nvlist describing a pool's
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* configuration.
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*/
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#define ZPOOL_CONFIG_VERSION "version"
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#define ZPOOL_CONFIG_POOL_NAME "name"
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#define ZPOOL_CONFIG_POOL_STATE "state"
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#define ZPOOL_CONFIG_POOL_TXG "txg"
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#define ZPOOL_CONFIG_POOL_GUID "pool_guid"
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#define ZPOOL_CONFIG_CREATE_TXG "create_txg"
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#define ZPOOL_CONFIG_TOP_GUID "top_guid"
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#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
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#define ZPOOL_CONFIG_TYPE "type"
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#define ZPOOL_CONFIG_CHILDREN "children"
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#define ZPOOL_CONFIG_ID "id"
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#define ZPOOL_CONFIG_GUID "guid"
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#define ZPOOL_CONFIG_PATH "path"
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#define ZPOOL_CONFIG_DEVID "devid"
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#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
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#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
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#define ZPOOL_CONFIG_ASHIFT "ashift"
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#define ZPOOL_CONFIG_ASIZE "asize"
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#define ZPOOL_CONFIG_DTL "DTL"
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#define ZPOOL_CONFIG_STATS "stats"
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#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
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#define ZPOOL_CONFIG_ERRCOUNT "error_count"
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#define ZPOOL_CONFIG_NOT_PRESENT "not_present"
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#define ZPOOL_CONFIG_SPARES "spares"
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#define ZPOOL_CONFIG_IS_SPARE "is_spare"
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#define ZPOOL_CONFIG_NPARITY "nparity"
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#define ZPOOL_CONFIG_PHYS_PATH "phys_path"
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#define ZPOOL_CONFIG_L2CACHE "l2cache"
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/*
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* The persistent vdev state is stored as separate values rather than a single
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* 'vdev_state' entry. This is because a device can be in multiple states, such
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* as offline and degraded.
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*/
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#define ZPOOL_CONFIG_OFFLINE "offline"
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#define ZPOOL_CONFIG_FAULTED "faulted"
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#define ZPOOL_CONFIG_DEGRADED "degraded"
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#define ZPOOL_CONFIG_REMOVED "removed"
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#define VDEV_TYPE_ROOT "root"
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#define VDEV_TYPE_MIRROR "mirror"
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#define VDEV_TYPE_REPLACING "replacing"
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#define VDEV_TYPE_RAIDZ "raidz"
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#define VDEV_TYPE_DISK "disk"
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#define VDEV_TYPE_FILE "file"
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#define VDEV_TYPE_MISSING "missing"
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#define VDEV_TYPE_SPARE "spare"
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#define VDEV_TYPE_L2CACHE "l2cache"
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/*
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* pool state. The following states are written to disk as part of the normal
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* SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
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* states are software abstractions used at various levels to communicate pool
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* state.
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*/
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typedef enum pool_state {
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POOL_STATE_ACTIVE = 0, /* In active use */
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POOL_STATE_EXPORTED, /* Explicitly exported */
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POOL_STATE_DESTROYED, /* Explicitly destroyed */
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POOL_STATE_SPARE, /* Reserved for hot spare use */
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POOL_STATE_L2CACHE, /* Level 2 ARC device */
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POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
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POOL_STATE_UNAVAIL, /* Internal libzfs state */
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POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
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} pool_state_t;
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#endif /* _SYS_FS_ZFS_H */
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