X-Git-Url: http://git.ipfire.org/?a=blobdiff_plain;f=include%2Fext_common.h;h=07b61fa56bdd441713c3292a710ea6a285dd550a;hb=3ffa5288c86e4cd97940313ad408da88db841826;hp=ce73857f8d813961d9fdf045136f64752e63cdad;hpb=b3873d3f4c424e6563750bb517fac03c2e833cdc;p=people%2Fms%2Fu-boot.git diff --git a/include/ext_common.h b/include/ext_common.h index ce73857f8d..07b61fa56b 100644 --- a/include/ext_common.h +++ b/include/ext_common.h @@ -15,26 +15,13 @@ * 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 __EXT_COMMON__ #include #define SECTOR_SIZE 0x200 -#define SECTOR_BITS 9 /* Magic value used to identify an ext2 filesystem. */ #define EXT2_MAGIC 0xEF53 @@ -58,20 +45,13 @@ #define FILETYPE_INO_SYMLINK 0120000 #define EXT2_ROOT_INO 2 /* Root inode */ -/* Bits used as offset in sector */ -#define DISK_SECTOR_BITS 9 /* The size of an ext2 block in bytes. */ #define EXT2_BLOCK_SIZE(data) (1 << LOG2_BLOCK_SIZE(data)) -/* Log2 size of ext2 block in 512 blocks. */ -#define LOG2_EXT2_BLOCK_SIZE(data) (__le32_to_cpu \ - (data->sblock.log2_block_size) + 1) - /* Log2 size of ext2 block in bytes. */ -#define LOG2_BLOCK_SIZE(data) (__le32_to_cpu \ - (data->sblock.log2_block_size) + 10) -#define INODE_SIZE_FILESYSTEM(data) (__le32_to_cpu \ - (data->sblock.inode_size)) +#define LOG2_BLOCK_SIZE(data) (le32_to_cpu \ + (data->sblock.log2_block_size) \ + + EXT2_MIN_BLOCK_LOG_SIZE) #define EXT2_FT_DIR 2 #define SUCCESS 1 @@ -84,92 +64,134 @@ /* 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 { @@ -186,7 +208,7 @@ struct ext2_data { 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[]); @@ -195,7 +217,4 @@ int do_ext4_load(cmd_tbl_t *cmdtp, int flag, int argc, int do_ext4_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]); int do_ext4_write(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]); -int do_ext_load(cmd_tbl_t *cmdtp, int flag, int argc, - char *const argv[]); -int do_ext_ls(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]); #endif