]>
git.ipfire.org Git - thirdparty/u-boot.git/blob - fs/ext4/ext4_common.h
2 * (C) Copyright 2011 - 2012 Samsung Electronics
3 * EXT4 filesystem implementation in Uboot by
4 * Uma Shankar <uma.shankar@samsung.com>
5 * Manjunatha C Achar <a.manjunatha@samsung.com>
7 * ext4ls and ext4load : based on ext2 ls load support in Uboot.
10 * esd gmbh <www.esd-electronics.com>
11 * Reinhard Arlt <reinhard.arlt@esd-electronics.com>
13 * based on code from grub2 fs/ext2.c and fs/fshelp.c by
14 * GRUB -- GRand Unified Bootloader
15 * Copyright (C) 2003, 2004 Free Software Foundation, Inc.
17 * ext4write : Based on generic ext4 protocol.
19 * SPDX-License-Identifier: GPL-2.0+
22 #ifndef __EXT4_COMMON__
23 #define __EXT4_COMMON__
24 #include <ext_common.h>
27 #include <asm/errno.h>
28 #if defined(CONFIG_EXT4_WRITE)
29 #include "ext4_journal.h"
38 #define S_IFLNK 0120000 /* symbolic link */
39 #define BLOCK_NO_ONE 1
40 #define SUPERBLOCK_START (2 * 512)
41 #define SUPERBLOCK_SIZE 1024
44 static inline void *zalloc(size_t size
)
46 void *p
= memalign(ARCH_DMA_MINALIGN
, size
);
51 int ext4fs_read_inode(struct ext2_data
*data
, int ino
,
52 struct ext2_inode
*inode
);
53 int ext4fs_read_file(struct ext2fs_node
*node
, int pos
,
54 unsigned int len
, char *buf
);
55 int ext4fs_find_file(const char *path
, struct ext2fs_node
*rootnode
,
56 struct ext2fs_node
**foundnode
, int expecttype
);
57 int ext4fs_iterate_dir(struct ext2fs_node
*dir
, char *name
,
58 struct ext2fs_node
**fnode
, int *ftype
);
60 #if defined(CONFIG_EXT4_WRITE)
61 uint32_t ext4fs_div_roundup(uint32_t size
, uint32_t n
);
62 int ext4fs_checksum_update(unsigned int i
);
63 int ext4fs_get_parent_inode_num(const char *dirname
, char *dname
, int flags
);
64 void ext4fs_update_parent_dentry(char *filename
, int *p_ino
, int file_type
);
65 long int ext4fs_get_new_blk_no(void);
66 int ext4fs_get_new_inode_no(void);
67 void ext4fs_reset_block_bmap(long int blockno
, unsigned char *buffer
,
69 int ext4fs_set_block_bmap(long int blockno
, unsigned char *buffer
, int index
);
70 int ext4fs_set_inode_bmap(int inode_no
, unsigned char *buffer
, int index
);
71 void ext4fs_reset_inode_bmap(int inode_no
, unsigned char *buffer
, int index
);
72 int ext4fs_iget(int inode_no
, struct ext2_inode
*inode
);
73 void ext4fs_allocate_blocks(struct ext2_inode
*file_inode
,
74 unsigned int total_remaining_blocks
,
75 unsigned int *total_no_of_block
);
76 void put_ext4(uint64_t off
, void *buf
, uint32_t size
);