* GRUB -- GRand Unified Bootloader
* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
*
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __EXT_COMMON__
#define EXT2_BLOCK_SIZE(data) (1 << LOG2_BLOCK_SIZE(data))
/* Log2 size of ext2 block in bytes. */
-#define LOG2_BLOCK_SIZE(data) (__le32_to_cpu \
+#define LOG2_BLOCK_SIZE(data) (le32_to_cpu \
(data->sblock.log2_block_size) \
+ EXT2_MIN_BLOCK_LOG_SIZE)
-#define INODE_SIZE_FILESYSTEM(data) (__le32_to_cpu \
- (data->sblock.inode_size))
#define EXT2_FT_DIR 2
#define SUCCESS 1
/* The ext2 superblock. */
struct ext2_sblock {
- uint32_t total_inodes;
- uint32_t total_blocks;
- uint32_t reserved_blocks;
- uint32_t free_blocks;
- uint32_t free_inodes;
- uint32_t first_data_block;
- uint32_t log2_block_size;
- uint32_t log2_fragment_size;
- uint32_t blocks_per_group;
- uint32_t fragments_per_group;
- uint32_t inodes_per_group;
- uint32_t mtime;
- uint32_t utime;
- uint16_t mnt_count;
- uint16_t max_mnt_count;
- uint16_t magic;
- uint16_t fs_state;
- uint16_t error_handling;
- uint16_t minor_revision_level;
- uint32_t lastcheck;
- uint32_t checkinterval;
- uint32_t creator_os;
- uint32_t revision_level;
- uint16_t uid_reserved;
- uint16_t gid_reserved;
- uint32_t first_inode;
- uint16_t inode_size;
- uint16_t block_group_number;
- uint32_t feature_compatibility;
- uint32_t feature_incompat;
- uint32_t feature_ro_compat;
- uint32_t unique_id[4];
+ __le32 total_inodes;
+ __le32 total_blocks;
+ __le32 reserved_blocks;
+ __le32 free_blocks;
+ __le32 free_inodes;
+ __le32 first_data_block;
+ __le32 log2_block_size;
+ __le32 log2_fragment_size;
+ __le32 blocks_per_group;
+ __le32 fragments_per_group;
+ __le32 inodes_per_group;
+ __le32 mtime;
+ __le32 utime;
+ __le16 mnt_count;
+ __le16 max_mnt_count;
+ __le16 magic;
+ __le16 fs_state;
+ __le16 error_handling;
+ __le16 minor_revision_level;
+ __le32 lastcheck;
+ __le32 checkinterval;
+ __le32 creator_os;
+ __le32 revision_level;
+ __le16 uid_reserved;
+ __le16 gid_reserved;
+ __le32 first_inode;
+ __le16 inode_size;
+ __le16 block_group_number;
+ __le32 feature_compatibility;
+ __le32 feature_incompat;
+ __le32 feature_ro_compat;
+ __le32 unique_id[4];
char volume_name[16];
char last_mounted_on[64];
- uint32_t compression_info;
+ __le32 compression_info;
+ uint8_t prealloc_blocks;
+ uint8_t prealloc_dir_blocks;
+ __le16 reserved_gdt_blocks;
+ uint8_t journal_uuid[16];
+ __le32 journal_inode;
+ __le32 journal_dev;
+ __le32 last_orphan;
+ __le32 hash_seed[4];
+ uint8_t default_hash_version;
+ uint8_t journal_backup_type;
+ __le16 descriptor_size;
+ __le32 default_mount_options;
+ __le32 first_meta_block_group;
+ __le32 mkfs_time;
+ __le32 journal_blocks[17];
+ __le32 total_blocks_high;
+ __le32 reserved_blocks_high;
+ __le32 free_blocks_high;
+ __le16 min_extra_inode_size;
+ __le16 want_extra_inode_size;
+ __le32 flags;
+ __le16 raid_stride;
+ __le16 mmp_interval;
+ __le64 mmp_block;
+ __le32 raid_stripe_width;
+ uint8_t log2_groups_per_flex;
+ uint8_t checksum_type;
};
struct ext2_block_group {
- __u32 block_id; /* Blocks bitmap block */
- __u32 inode_id; /* Inodes bitmap block */
- __u32 inode_table_id; /* Inodes table block */
- __u16 free_blocks; /* Free blocks count */
- __u16 free_inodes; /* Free inodes count */
- __u16 used_dir_cnt; /* Directories count */
- __u16 bg_flags;
- __u32 bg_reserved[2];
- __u16 bg_itable_unused; /* Unused inodes count */
- __u16 bg_checksum; /* crc16(s_uuid+grouo_num+group_desc)*/
+ __le32 block_id; /* Blocks bitmap block */
+ __le32 inode_id; /* Inodes bitmap block */
+ __le32 inode_table_id; /* Inodes table block */
+ __le16 free_blocks; /* Free blocks count */
+ __le16 free_inodes; /* Free inodes count */
+ __le16 used_dir_cnt; /* Directories count */
+ __le16 bg_flags;
+ __le32 bg_exclude_bitmap;
+ __le16 bg_block_id_csum;
+ __le16 bg_inode_id_csum;
+ __le16 bg_itable_unused; /* Unused inodes count */
+ __le16 bg_checksum; /* crc16(s_uuid+group_num+group_desc)*/
+ /* following fields only exist if descriptor size is 64 */
+ __le32 block_id_high;
+ __le32 inode_id_high;
+ __le32 inode_table_id_high;
+ __le16 free_blocks_high;
+ __le16 free_inodes_high;
+ __le16 used_dir_cnt_high;
+ __le16 bg_itable_unused_high;
+ __le32 bg_exclude_bitmap_high;
+ __le16 bg_block_id_csum_high;
+ __le16 bg_inode_id_csum_high;
+ __le32 bg_reserved;
};
/* The ext2 inode. */
struct ext2_inode {
- uint16_t mode;
- uint16_t uid;
- uint32_t size;
- uint32_t atime;
- uint32_t ctime;
- uint32_t mtime;
- uint32_t dtime;
- uint16_t gid;
- uint16_t nlinks;
- uint32_t blockcnt; /* Blocks of 512 bytes!! */
- uint32_t flags;
- uint32_t osd1;
+ __le16 mode;
+ __le16 uid;
+ __le32 size;
+ __le32 atime;
+ __le32 ctime;
+ __le32 mtime;
+ __le32 dtime;
+ __le16 gid;
+ __le16 nlinks;
+ __le32 blockcnt; /* Blocks of either 512 or block_size bytes */
+ __le32 flags;
+ __le32 osd1;
union {
struct datablocks {
- uint32_t dir_blocks[INDIRECT_BLOCKS];
- uint32_t indir_block;
- uint32_t double_indir_block;
- uint32_t triple_indir_block;
+ __le32 dir_blocks[INDIRECT_BLOCKS];
+ __le32 indir_block;
+ __le32 double_indir_block;
+ __le32 triple_indir_block;
} blocks;
char symlink[60];
+ char inline_data[60];
} b;
- uint32_t version;
- uint32_t acl;
- uint32_t dir_acl;
- uint32_t fragment_addr;
- uint32_t osd2[3];
+ __le32 version;
+ __le32 acl;
+ __le32 size_high; /* previously dir_acl, but never used */
+ __le32 fragment_addr;
+ __le32 osd2[3];
};
/* The header of an ext2 directory entry. */
struct ext2_dirent {
- uint32_t inode;
- uint16_t direntlen;
- uint8_t namelen;
- uint8_t filetype;
+ __le32 inode;
+ __le16 direntlen;
+ __u8 namelen;
+ __u8 filetype;
};
struct ext2fs_node {
struct ext2fs_node diropen;
};
-extern unsigned long part_offset;
+extern lbaint_t part_offset;
int do_ext2ls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
int do_ext2load(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
projects / u-boot.git / blobdiff