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/*
* GRUB -- GRand Unified Bootloader
* Copyright (C) 1999,2000,2001,2002,2003,2004,2009 Free Software Foundation, Inc.
*
* GRUB is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* GRUB is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#ifndef GRUB_ZFS_HEADER
#define GRUB_ZFS_HEADER 1
#include <grub/err.h>
#include <grub/disk.h>
#include <grub/crypto.h>
typedef enum grub_zfs_endian
{
GRUB_ZFS_UNKNOWN_ENDIAN = -2,
GRUB_ZFS_LITTLE_ENDIAN = -1,
GRUB_ZFS_BIG_ENDIAN = 0
} grub_zfs_endian_t;
/*
* On-disk version number.
*/
#define SPA_VERSION_INITIAL 1ULL
#define SPA_VERSION_BEFORE_FEATURES 33ULL
#define SPA_VERSION_FEATURES 5000ULL
#define SPA_VERSION_IS_SUPPORTED(v) \
(((v) >= SPA_VERSION_INITIAL && (v) <= SPA_VERSION_BEFORE_FEATURES) || \
((v) == SPA_VERSION_FEATURES))
/*
* The following are configuration names used in the nvlist describing a pool's
* configuration.
*/
#define ZPOOL_CONFIG_VERSION "version"
#define ZPOOL_CONFIG_POOL_NAME "name"
#define ZPOOL_CONFIG_POOL_STATE "state"
#define ZPOOL_CONFIG_POOL_TXG "txg"
#define ZPOOL_CONFIG_POOL_GUID "pool_guid"
#define ZPOOL_CONFIG_CREATE_TXG "create_txg"
#define ZPOOL_CONFIG_TOP_GUID "top_guid"
#define ZPOOL_CONFIG_VDEV_TREE "vdev_tree"
#define ZPOOL_CONFIG_TYPE "type"
#define ZPOOL_CONFIG_CHILDREN "children"
#define ZPOOL_CONFIG_ID "id"
#define ZPOOL_CONFIG_GUID "guid"
#define ZPOOL_CONFIG_PATH "path"
#define ZPOOL_CONFIG_DEVID "devid"
#define ZPOOL_CONFIG_METASLAB_ARRAY "metaslab_array"
#define ZPOOL_CONFIG_METASLAB_SHIFT "metaslab_shift"
#define ZPOOL_CONFIG_ASHIFT "ashift"
#define ZPOOL_CONFIG_ASIZE "asize"
#define ZPOOL_CONFIG_DTL "DTL"
#define ZPOOL_CONFIG_STATS "stats"
#define ZPOOL_CONFIG_WHOLE_DISK "whole_disk"
#define ZPOOL_CONFIG_ERRCOUNT "error_count"
#define ZPOOL_CONFIG_NOT_PRESENT "not_present"
#define ZPOOL_CONFIG_SPARES "spares"
#define ZPOOL_CONFIG_IS_SPARE "is_spare"
#define ZPOOL_CONFIG_NPARITY "nparity"
#define ZPOOL_CONFIG_PHYS_PATH "phys_path"
#define ZPOOL_CONFIG_L2CACHE "l2cache"
#define ZPOOL_CONFIG_HOLE_ARRAY "hole_array"
#define ZPOOL_CONFIG_VDEV_CHILDREN "vdev_children"
#define ZPOOL_CONFIG_IS_HOLE "is_hole"
#define ZPOOL_CONFIG_DDT_HISTOGRAM "ddt_histogram"
#define ZPOOL_CONFIG_DDT_OBJ_STATS "ddt_object_stats"
#define ZPOOL_CONFIG_DDT_STATS "ddt_stats"
#define ZPOOL_CONFIG_FEATURES_FOR_READ "features_for_read"
/*
* The persistent vdev state is stored as separate values rather than a single
* 'vdev_state' entry. This is because a device can be in multiple states, such
* as offline and degraded.
*/
#define ZPOOL_CONFIG_OFFLINE "offline"
#define ZPOOL_CONFIG_FAULTED "faulted"
#define ZPOOL_CONFIG_DEGRADED "degraded"
#define ZPOOL_CONFIG_REMOVED "removed"
#define VDEV_TYPE_ROOT "root"
#define VDEV_TYPE_MIRROR "mirror"
#define VDEV_TYPE_REPLACING "replacing"
#define VDEV_TYPE_RAIDZ "raidz"
#define VDEV_TYPE_DISK "disk"
#define VDEV_TYPE_FILE "file"
#define VDEV_TYPE_MISSING "missing"
#define VDEV_TYPE_HOLE "hole"
#define VDEV_TYPE_SPARE "spare"
#define VDEV_TYPE_L2CACHE "l2cache"
/*
* pool state. The following states are written to disk as part of the normal
* SPA lifecycle: ACTIVE, EXPORTED, DESTROYED, SPARE, L2CACHE. The remaining
* states are software abstractions used at various levels to communicate pool
* state.
*/
typedef enum pool_state {
POOL_STATE_ACTIVE = 0, /* In active use */
POOL_STATE_EXPORTED, /* Explicitly exported */
POOL_STATE_DESTROYED, /* Explicitly destroyed */
POOL_STATE_SPARE, /* Reserved for hot spare use */
POOL_STATE_L2CACHE, /* Level 2 ARC device */
POOL_STATE_UNINITIALIZED, /* Internal spa_t state */
POOL_STATE_UNAVAIL, /* Internal libzfs state */
POOL_STATE_POTENTIALLY_ACTIVE /* Internal libzfs state */
} pool_state_t;
struct grub_zfs_data;
grub_err_t grub_zfs_fetch_nvlist (grub_device_t dev, char **nvlist);
grub_err_t grub_zfs_getmdnobj (grub_device_t dev, const char *fsfilename,
grub_uint64_t *mdnobj);
char *grub_zfs_nvlist_lookup_string (const char *nvlist, const char *name);
char *grub_zfs_nvlist_lookup_nvlist (const char *nvlist, const char *name);
int grub_zfs_nvlist_lookup_uint64 (const char *nvlist, const char *name,
grub_uint64_t *out);
char *grub_zfs_nvlist_lookup_nvlist_array (const char *nvlist,
const char *name,
grub_size_t array_index);
int grub_zfs_nvlist_lookup_nvlist_array_get_nelm (const char *nvlist,
const char *name);
grub_err_t
grub_zfs_add_key (grub_uint8_t *key_in,
grub_size_t keylen,
int passphrase);
extern grub_err_t (*grub_zfs_decrypt) (grub_crypto_cipher_handle_t cipher,
grub_uint64_t algo,
void *nonce,
char *buf, grub_size_t size,
const grub_uint32_t *expected_mac,
grub_zfs_endian_t endian);
struct grub_zfs_key;
extern grub_crypto_cipher_handle_t (*grub_zfs_load_key) (const struct grub_zfs_key *key,
grub_size_t keysize,
grub_uint64_t salt,
grub_uint64_t algo);
#endif /* ! GRUB_ZFS_HEADER */
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