| /**************************************************************************** |
| **************************************************************************** |
| *** |
| *** This header was automatically generated from a Linux kernel header |
| *** of the same name, to make information necessary for userspace to |
| *** call into the kernel available to libc. It contains only constants, |
| *** structures, and macros generated from the original header, and thus, |
| *** contains no copyrightable information. |
| *** |
| *** To edit the content of this header, modify the corresponding |
| *** source file (e.g. under external/kernel-headers/original/) then |
| *** run bionic/libc/kernel/tools/update_all.py |
| *** |
| *** Any manual change here will be lost the next time this script will |
| *** be run. You've been warned! |
| *** |
| **************************************************************************** |
| ****************************************************************************/ |
| #ifndef _UAPI__CRAMFS_H |
| #define _UAPI__CRAMFS_H |
| #include <linux/types.h> |
| #include <linux/magic.h> |
| #define CRAMFS_SIGNATURE "Compressed ROMFS" |
| #define CRAMFS_MODE_WIDTH 16 |
| #define CRAMFS_UID_WIDTH 16 |
| #define CRAMFS_SIZE_WIDTH 24 |
| #define CRAMFS_GID_WIDTH 8 |
| #define CRAMFS_NAMELEN_WIDTH 6 |
| #define CRAMFS_OFFSET_WIDTH 26 |
| #define CRAMFS_MAXPATHLEN (((1 << CRAMFS_NAMELEN_WIDTH) - 1) << 2) |
| struct cramfs_inode { |
| __u32 mode : CRAMFS_MODE_WIDTH, uid : CRAMFS_UID_WIDTH; |
| __u32 size : CRAMFS_SIZE_WIDTH, gid : CRAMFS_GID_WIDTH; |
| __u32 namelen : CRAMFS_NAMELEN_WIDTH, offset : CRAMFS_OFFSET_WIDTH; |
| }; |
| struct cramfs_info { |
| __u32 crc; |
| __u32 edition; |
| __u32 blocks; |
| __u32 files; |
| }; |
| struct cramfs_super { |
| __u32 magic; |
| __u32 size; |
| __u32 flags; |
| __u32 future; |
| __u8 signature[16]; |
| struct cramfs_info fsid; |
| __u8 name[16]; |
| struct cramfs_inode root; |
| }; |
| #define CRAMFS_FLAG_FSID_VERSION_2 0x00000001 |
| #define CRAMFS_FLAG_SORTED_DIRS 0x00000002 |
| #define CRAMFS_FLAG_HOLES 0x00000100 |
| #define CRAMFS_FLAG_WRONG_SIGNATURE 0x00000200 |
| #define CRAMFS_FLAG_SHIFTED_ROOT_OFFSET 0x00000400 |
| #define CRAMFS_FLAG_EXT_BLOCK_POINTERS 0x00000800 |
| #define CRAMFS_SUPPORTED_FLAGS (0x000000ff | CRAMFS_FLAG_HOLES | CRAMFS_FLAG_WRONG_SIGNATURE | CRAMFS_FLAG_SHIFTED_ROOT_OFFSET | CRAMFS_FLAG_EXT_BLOCK_POINTERS) |
| #define CRAMFS_BLK_FLAG_UNCOMPRESSED (1 << 31) |
| #define CRAMFS_BLK_FLAG_DIRECT_PTR (1 << 30) |
| #define CRAMFS_BLK_FLAGS (CRAMFS_BLK_FLAG_UNCOMPRESSED | CRAMFS_BLK_FLAG_DIRECT_PTR) |
| #define CRAMFS_BLK_DIRECT_PTR_SHIFT 2 |
| #endif |
