mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-27 12:15:19 +01:00
72 lines
1.7 KiB
C
72 lines
1.7 KiB
C
/* btrfs.c - B-tree file system. */
|
|
/*
|
|
* GRUB -- GRand Unified Bootloader
|
|
* Copyright (C) 2010,2011,2012,2013 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/>.
|
|
*/
|
|
|
|
#ifndef GRUB_BTRFS_H
|
|
#define GRUB_BTRFS_H 1
|
|
|
|
enum
|
|
{
|
|
GRUB_BTRFS_ITEM_TYPE_INODE_ITEM = 0x01,
|
|
GRUB_BTRFS_ITEM_TYPE_INODE_REF = 0x0c,
|
|
GRUB_BTRFS_ITEM_TYPE_DIR_ITEM = 0x54,
|
|
GRUB_BTRFS_ITEM_TYPE_EXTENT_ITEM = 0x6c,
|
|
GRUB_BTRFS_ITEM_TYPE_ROOT_ITEM = 0x84,
|
|
GRUB_BTRFS_ITEM_TYPE_ROOT_BACKREF = 0x90,
|
|
GRUB_BTRFS_ITEM_TYPE_DEVICE = 0xd8,
|
|
GRUB_BTRFS_ITEM_TYPE_CHUNK = 0xe4
|
|
};
|
|
|
|
enum
|
|
{
|
|
GRUB_BTRFS_ROOT_VOL_OBJECTID = 5,
|
|
GRUB_BTRFS_TREE_ROOT_OBJECTID = 0x100,
|
|
};
|
|
|
|
struct grub_btrfs_root_item
|
|
{
|
|
grub_uint8_t dummy[0xb0];
|
|
grub_uint64_t tree;
|
|
grub_uint64_t inode;
|
|
};
|
|
|
|
struct grub_btrfs_key
|
|
{
|
|
grub_uint64_t object_id;
|
|
grub_uint8_t type;
|
|
grub_uint64_t offset;
|
|
} GRUB_PACKED;
|
|
|
|
|
|
struct grub_btrfs_root_backref
|
|
{
|
|
grub_uint64_t inode_id;
|
|
grub_uint64_t seqnr;
|
|
grub_uint16_t n;
|
|
char name[0];
|
|
};
|
|
|
|
struct grub_btrfs_inode_ref
|
|
{
|
|
grub_uint64_t idxid;
|
|
grub_uint16_t n;
|
|
char name[0];
|
|
};
|
|
|
|
#endif
|