mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-11-24 11:45:27 +01:00
67 lines
2.0 KiB
C
67 lines
2.0 KiB
C
/**
|
|
* \file fsw_ext4.h
|
|
* ext4 file system driver header.
|
|
*/
|
|
|
|
/*-
|
|
* Copyright (c) 2012 Stefan Agner
|
|
* Portions Copyright (c) 2006 Christoph Pfisterer
|
|
*
|
|
* This program 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 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program 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 this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*/
|
|
|
|
#ifndef _FSW_EXT4_H_
|
|
#define _FSW_EXT4_H_
|
|
|
|
#define VOLSTRUCTNAME fsw_ext4_volume
|
|
#define DNODESTRUCTNAME fsw_ext4_dnode
|
|
#include "fsw_core.h"
|
|
|
|
#include "fsw_ext4_disk.h"
|
|
|
|
|
|
//! Block size to be used when reading the ext4 superblock.
|
|
#define EXT4_SUPERBLOCK_BLOCKSIZE 1024
|
|
//! Block number where the (master copy of the) ext4 superblock resides.
|
|
#define EXT4_SUPERBLOCK_BLOCKNO 1
|
|
|
|
|
|
/**
|
|
* ext4: Volume structure with ext2-specific data.
|
|
*/
|
|
|
|
struct fsw_ext4_volume {
|
|
struct fsw_volume g; //!< Generic volume structure
|
|
|
|
struct ext4_super_block *sb; //!< Full raw ext2 superblock structure
|
|
fsw_u32 *inotab_bno; //!< Block numbers of the inode tables
|
|
fsw_u32 ind_bcnt; //!< Number of blocks addressable through an indirect block
|
|
fsw_u32 dind_bcnt; //!< Number of blocks addressable through a double-indirect block
|
|
fsw_u32 inode_size; //!< Size of inode structure in bytes
|
|
};
|
|
|
|
/**
|
|
* ext2: Dnode structure with ext2-specific data.
|
|
*/
|
|
|
|
struct fsw_ext4_dnode {
|
|
struct fsw_dnode g; //!< Generic dnode structure
|
|
|
|
struct ext4_inode *raw; //!< Full raw inode structure
|
|
};
|
|
|
|
|
|
#endif
|