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1a4596601f
Signed-off-by: Wolfgang Denk <wd@denx.de> [trini: Fixup common/cmd_io.c] Signed-off-by: Tom Rini <trini@ti.com>
111 lines
3.8 KiB
C
111 lines
3.8 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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* SPDX-License-Identifier: GPL-2.0+
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*/
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/*
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* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
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*/
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#ifndef GRUB_ZFS_HEADER
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#define GRUB_ZFS_HEADER 1
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/*
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* On-disk version number.
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*/
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#define SPA_VERSION 28ULL
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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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#define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
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#define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
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#define ZPOOL_CONFIG_IS_HOLE "is_hole"
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#define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
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#define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
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#define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
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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_HOLE "hole"
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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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struct zfs_data;
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int zfs_fetch_nvlist(device_t dev, char **nvlist);
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int zfs_getmdnobj(device_t dev, const char *fsfilename,
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uint64_t *mdnobj);
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char *zfs_nvlist_lookup_string(char *nvlist, char *name);
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char *zfs_nvlist_lookup_nvlist(char *nvlist, char *name);
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int zfs_nvlist_lookup_uint64(char *nvlist, char *name,
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uint64_t *out);
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char *zfs_nvlist_lookup_nvlist_array(char *nvlist, char *name,
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size_t index);
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int zfs_nvlist_lookup_nvlist_array_get_nelm(char *nvlist, char *name);
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#endif /* ! GRUB_ZFS_HEADER */
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