1655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng/**************************************************************************** 2655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng **************************************************************************** 3655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 4655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** This header was automatically generated from a Linux kernel header 5655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** of the same name, to make information necessary for userspace to 6655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** call into the kernel available to libc. It contains only constants, 7655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** structures, and macros generated from the original header, and thus, 8655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** contains no copyrightable information. 9655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 10655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** To edit the content of this header, modify the corresponding 11655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** source file (e.g. under external/kernel-headers/original/) then 12655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** run bionic/libc/kernel/tools/update_all.py 13655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 14655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** Any manual change here will be lost the next time this script will 15655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** be run. You've been warned! 16655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng *** 17655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng **************************************************************************** 18655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng ****************************************************************************/ 19655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#ifndef _UAPI__CRAMFS_H 20655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define _UAPI__CRAMFS_H 21655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/types.h> 22655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#include <linux/magic.h> 23655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_SIGNATURE "Compressed ROMFS" 24655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_MODE_WIDTH 16 25655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_UID_WIDTH 16 26655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_SIZE_WIDTH 24 27655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_GID_WIDTH 8 28655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_NAMELEN_WIDTH 6 29655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_OFFSET_WIDTH 26 30655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_MAXPATHLEN (((1 << CRAMFS_NAMELEN_WIDTH) - 1) << 2) 31655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct cramfs_inode { 32d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 mode : CRAMFS_MODE_WIDTH, uid : CRAMFS_UID_WIDTH; 33d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 size : CRAMFS_SIZE_WIDTH, gid : CRAMFS_GID_WIDTH; 34d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 namelen : CRAMFS_NAMELEN_WIDTH, offset : CRAMFS_OFFSET_WIDTH; 35655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 36655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct cramfs_info { 37d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 crc; 38d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 edition; 39d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 blocks; 40d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 files; 41655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 42655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Chengstruct cramfs_super { 43d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 magic; 44d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 size; 45d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 flags; 46d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u32 future; 47d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u8 signature[16]; 48d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct cramfs_info fsid; 49d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao __u8 name[16]; 50d7db594b8d1dab36b711bd887a9dd21675c87243Tao Bao struct cramfs_inode root; 51655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng}; 52655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_FLAG_FSID_VERSION_2 0x00000001 53655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_FLAG_SORTED_DIRS 0x00000002 54655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_FLAG_HOLES 0x00000100 55655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_FLAG_WRONG_SIGNATURE 0x00000200 56655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#define CRAMFS_FLAG_SHIFTED_ROOT_OFFSET 0x00000400 57934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_FLAG_EXT_BLOCK_POINTERS 0x00000800 58934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_SUPPORTED_FLAGS (0x000000ff | CRAMFS_FLAG_HOLES | CRAMFS_FLAG_WRONG_SIGNATURE | CRAMFS_FLAG_SHIFTED_ROOT_OFFSET | CRAMFS_FLAG_EXT_BLOCK_POINTERS) 59934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_BLK_FLAG_UNCOMPRESSED (1 << 31) 60934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_BLK_FLAG_DIRECT_PTR (1 << 30) 61934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_BLK_FLAGS (CRAMFS_BLK_FLAG_UNCOMPRESSED | CRAMFS_BLK_FLAG_DIRECT_PTR) 62934ec9495505d234b2c2fa284470c2f44aae9de9Christopher Ferris#define CRAMFS_BLK_DIRECT_PTR_SHIFT 2 63655a7c081f83b8351ed5f11a6c6accd9458293a8Ben Cheng#endif 64