/* SPDX-License-Identifier: GPL-2.0-or-later */ #ifndef SQUASHFS_FS #define SQUASHFS_FS /* * Squashfs * * Copyright (c) 2002, 2003, 2004, 2005, 2006, 2007, 2008 * Phillip Lougher <[email protected]> * * squashfs_fs.h */ #define SQUASHFS_CACHED_FRAGMENTS … #define SQUASHFS_MAJOR … #define SQUASHFS_MINOR … #define SQUASHFS_START … /* size of metadata (inode and directory) blocks */ #define SQUASHFS_METADATA_SIZE … #define SQUASHFS_BLOCK_OFFSET … /* default size of block device I/O */ #ifdef CONFIG_SQUASHFS_4K_DEVBLK_SIZE #define SQUASHFS_DEVBLK_SIZE … #else #define SQUASHFS_DEVBLK_SIZE … #endif #define SQUASHFS_FILE_MAX_SIZE … #define SQUASHFS_FILE_MAX_LOG … /* Max length of filename (not 255) */ #define SQUASHFS_NAME_LEN … /* Max value for directory header count*/ #define SQUASHFS_DIR_COUNT … #define SQUASHFS_INVALID_FRAG … #define SQUASHFS_INVALID_XATTR … #define SQUASHFS_INVALID_BLK … /* Filesystem flags */ #define SQUASHFS_NOI … #define SQUASHFS_NOD … #define SQUASHFS_NOF … #define SQUASHFS_NO_FRAG … #define SQUASHFS_ALWAYS_FRAG … #define SQUASHFS_DUPLICATE … #define SQUASHFS_EXPORT … #define SQUASHFS_COMP_OPT … #define SQUASHFS_BIT(flag, bit) … #define SQUASHFS_UNCOMPRESSED_INODES(flags) … #define SQUASHFS_UNCOMPRESSED_DATA(flags) … #define SQUASHFS_UNCOMPRESSED_FRAGMENTS(flags) … #define SQUASHFS_NO_FRAGMENTS(flags) … #define SQUASHFS_ALWAYS_FRAGMENTS(flags) … #define SQUASHFS_DUPLICATES(flags) … #define SQUASHFS_EXPORTABLE(flags) … #define SQUASHFS_COMP_OPTS(flags) … /* Inode types including extended types */ #define SQUASHFS_DIR_TYPE … #define SQUASHFS_REG_TYPE … #define SQUASHFS_SYMLINK_TYPE … #define SQUASHFS_BLKDEV_TYPE … #define SQUASHFS_CHRDEV_TYPE … #define SQUASHFS_FIFO_TYPE … #define SQUASHFS_SOCKET_TYPE … #define SQUASHFS_LDIR_TYPE … #define SQUASHFS_LREG_TYPE … #define SQUASHFS_LSYMLINK_TYPE … #define SQUASHFS_LBLKDEV_TYPE … #define SQUASHFS_LCHRDEV_TYPE … #define SQUASHFS_LFIFO_TYPE … #define SQUASHFS_LSOCKET_TYPE … /* Max type value stored in directory entry */ #define SQUASHFS_MAX_DIR_TYPE … /* Xattr types */ #define SQUASHFS_XATTR_USER … #define SQUASHFS_XATTR_TRUSTED … #define SQUASHFS_XATTR_SECURITY … #define SQUASHFS_XATTR_VALUE_OOL … #define SQUASHFS_XATTR_PREFIX_MASK … /* Flag whether block is compressed or uncompressed, bit is set if block is * uncompressed */ #define SQUASHFS_COMPRESSED_BIT … #define SQUASHFS_COMPRESSED_SIZE(B) … #define SQUASHFS_COMPRESSED(B) … #define SQUASHFS_COMPRESSED_BIT_BLOCK … #define SQUASHFS_COMPRESSED_SIZE_BLOCK(B) … #define SQUASHFS_COMPRESSED_BLOCK(B) … static inline int squashfs_block_size(__le32 raw) { … } /* * Inode number ops. Inodes consist of a compressed block number, and an * uncompressed offset within that block */ #define SQUASHFS_INODE_BLK(A) … #define SQUASHFS_INODE_OFFSET(A) … #define SQUASHFS_MKINODE(A, B) … /* fragment and fragment table defines */ #define SQUASHFS_FRAGMENT_BYTES(A) … #define SQUASHFS_FRAGMENT_INDEX(A) … #define SQUASHFS_FRAGMENT_INDEX_OFFSET(A) … #define SQUASHFS_FRAGMENT_INDEXES(A) … #define SQUASHFS_FRAGMENT_INDEX_BYTES(A) … /* inode lookup table defines */ #define SQUASHFS_LOOKUP_BYTES(A) … #define SQUASHFS_LOOKUP_BLOCK(A) … #define SQUASHFS_LOOKUP_BLOCK_OFFSET(A) … #define SQUASHFS_LOOKUP_BLOCKS(A) … #define SQUASHFS_LOOKUP_BLOCK_BYTES(A) … /* uid/gid lookup table defines */ #define SQUASHFS_ID_BYTES(A) … #define SQUASHFS_ID_BLOCK(A) … #define SQUASHFS_ID_BLOCK_OFFSET(A) … #define SQUASHFS_ID_BLOCKS(A) … #define SQUASHFS_ID_BLOCK_BYTES(A) … /* xattr id lookup table defines */ #define SQUASHFS_XATTR_BYTES(A) … #define SQUASHFS_XATTR_BLOCK(A) … #define SQUASHFS_XATTR_BLOCK_OFFSET(A) … #define SQUASHFS_XATTR_BLOCKS(A) … #define SQUASHFS_XATTR_BLOCK_BYTES(A) … #define SQUASHFS_XATTR_BLK(A) … #define SQUASHFS_XATTR_OFFSET(A) … /* cached data constants for filesystem */ #define SQUASHFS_CACHED_BLKS … /* meta index cache */ #define SQUASHFS_META_INDEXES … #define SQUASHFS_META_ENTRIES … #define SQUASHFS_META_SLOTS … struct meta_entry { … }; struct meta_index { … }; /* * definitions for structures on disk */ #define ZLIB_COMPRESSION … #define LZMA_COMPRESSION … #define LZO_COMPRESSION … #define XZ_COMPRESSION … #define LZ4_COMPRESSION … #define ZSTD_COMPRESSION … struct squashfs_super_block { … }; struct squashfs_dir_index { … }; struct squashfs_base_inode { … }; struct squashfs_ipc_inode { … }; struct squashfs_lipc_inode { … }; struct squashfs_dev_inode { … }; struct squashfs_ldev_inode { … }; struct squashfs_symlink_inode { … }; struct squashfs_reg_inode { … }; struct squashfs_lreg_inode { … }; struct squashfs_dir_inode { … }; struct squashfs_ldir_inode { … }; squashfs_inode; struct squashfs_dir_entry { … }; struct squashfs_dir_header { … }; struct squashfs_fragment_entry { … }; struct squashfs_xattr_entry { … }; struct squashfs_xattr_val { … }; struct squashfs_xattr_id { … }; struct squashfs_xattr_id_table { … }; #endif
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