diff options
Diffstat (limited to 'qemu/roms/u-boot/include/ext4fs.h')
| -rw-r--r-- | qemu/roms/u-boot/include/ext4fs.h | 147 |
1 files changed, 0 insertions, 147 deletions
diff --git a/qemu/roms/u-boot/include/ext4fs.h b/qemu/roms/u-boot/include/ext4fs.h deleted file mode 100644 index fbbb002b1..000000000 --- a/qemu/roms/u-boot/include/ext4fs.h +++ /dev/null @@ -1,147 +0,0 @@ -/* - * (C) Copyright 2011 - 2012 Samsung Electronics - * EXT4 filesystem implementation in Uboot by - * Uma Shankar <uma.shankar@samsung.com> - * Manjunatha C Achar <a.manjunatha@samsung.com> - * - * Ext4 Extent data structures are taken from original ext4 fs code - * as found in the linux kernel. - * - * Copyright (c) 2003-2006, Cluster File Systems, Inc, info@clusterfs.com - * Written by Alex Tomas <alex@clusterfs.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#ifndef __EXT4__ -#define __EXT4__ -#include <ext_common.h> - -#define EXT4_EXTENTS_FL 0x00080000 /* Inode uses extents */ -#define EXT4_EXT_MAGIC 0xf30a -#define EXT4_FEATURE_RO_COMPAT_GDT_CSUM 0x0010 -#define EXT4_FEATURE_INCOMPAT_EXTENTS 0x0040 -#define EXT4_INDIRECT_BLOCKS 12 - -#define EXT4_BG_INODE_UNINIT 0x0001 -#define EXT4_BG_BLOCK_UNINIT 0x0002 -#define EXT4_BG_INODE_ZEROED 0x0004 - -/* - * ext4_inode has i_block array (60 bytes total). - * The first 12 bytes store ext4_extent_header; - * the remainder stores an array of ext4_extent. - */ - -/* - * This is the extent on-disk structure. - * It's used at the bottom of the tree. - */ -struct ext4_extent { - __le32 ee_block; /* first logical block extent covers */ - __le16 ee_len; /* number of blocks covered by extent */ - __le16 ee_start_hi; /* high 16 bits of physical block */ - __le32 ee_start_lo; /* low 32 bits of physical block */ -}; - -/* - * This is index on-disk structure. - * It's used at all the levels except the bottom. - */ -struct ext4_extent_idx { - __le32 ei_block; /* index covers logical blocks from 'block' */ - __le32 ei_leaf_lo; /* pointer to the physical block of the next * - * level. leaf or next index could be there */ - __le16 ei_leaf_hi; /* high 16 bits of physical block */ - __u16 ei_unused; -}; - -/* Each block (leaves and indexes), even inode-stored has header. */ -struct ext4_extent_header { - __le16 eh_magic; /* probably will support different formats */ - __le16 eh_entries; /* number of valid entries */ - __le16 eh_max; /* capacity of store in entries */ - __le16 eh_depth; /* has tree real underlying blocks? */ - __le32 eh_generation; /* generation of the tree */ -}; - -struct ext_filesystem { - /* Total Sector of partition */ - uint64_t total_sect; - /* Block size of partition */ - uint32_t blksz; - /* Inode size of partition */ - uint32_t inodesz; - /* Sectors per Block */ - uint32_t sect_perblk; - /* Group Descriptor Block Number */ - uint32_t gdtable_blkno; - /* Total block groups of partition */ - uint32_t no_blkgrp; - /* No of blocks required for bgdtable */ - uint32_t no_blk_pergdt; - /* Superblock */ - struct ext2_sblock *sb; - /* Block group descritpor table */ - struct ext2_block_group *bgd; - char *gdtable; - - /* Block Bitmap Related */ - unsigned char **blk_bmaps; - long int curr_blkno; - uint16_t first_pass_bbmap; - - /* Inode Bitmap Related */ - unsigned char **inode_bmaps; - int curr_inode_no; - uint16_t first_pass_ibmap; - - /* Journal Related */ - - /* Block Device Descriptor */ - block_dev_desc_t *dev_desc; -}; - -extern struct ext2_data *ext4fs_root; -extern struct ext2fs_node *ext4fs_file; - -#if defined(CONFIG_EXT4_WRITE) -extern struct ext2_inode *g_parent_inode; -extern int gd_index; -extern int gindex; - -int ext4fs_init(void); -void ext4fs_deinit(void); -int ext4fs_filename_check(char *filename); -int ext4fs_write(const char *fname, unsigned char *buffer, - unsigned long sizebytes); -#endif - -struct ext_filesystem *get_fs(void); -int ext4fs_open(const char *filename); -int ext4fs_read(char *buf, unsigned len); -int ext4fs_mount(unsigned part_length); -void ext4fs_close(void); -void ext4fs_reinit_global(void); -int ext4fs_ls(const char *dirname); -int ext4fs_exists(const char *filename); -void ext4fs_free_node(struct ext2fs_node *node, struct ext2fs_node *currroot); -int ext4fs_devread(lbaint_t sector, int byte_offset, int byte_len, char *buf); -void ext4fs_set_blk_dev(block_dev_desc_t *rbdd, disk_partition_t *info); -long int read_allocated_block(struct ext2_inode *inode, int fileblock); -int ext4fs_probe(block_dev_desc_t *fs_dev_desc, - disk_partition_t *fs_partition); -int ext4_read_file(const char *filename, void *buf, int offset, int len); -int ext4_read_superblock(char *buffer); -#endif |