1 /**************************************************************************** 2 **************************************************************************** 3 *** 4 *** This header was automatically generated from a Linux kernel header 5 *** of the same name, to make information necessary for userspace to 6 *** call into the kernel available to libc. It contains only constants, 7 *** structures, and macros generated from the original header, and thus, 8 *** contains no copyrightable information. 9 *** 10 *** To edit the content of this header, modify the corresponding 11 *** source file (e.g. under external/kernel-headers/original/) then 12 *** run bionic/libc/kernel/tools/update_all.py 13 *** 14 *** Any manual change here will be lost the next time this script will 15 *** be run. You've been warned! 16 *** 17 **************************************************************************** 18 ****************************************************************************/ 19 #ifndef _UAPI_LINUX_FSVERITY_H 20 #define _UAPI_LINUX_FSVERITY_H 21 #include <linux/ioctl.h> 22 #include <linux/types.h> 23 #define FS_VERITY_HASH_ALG_SHA256 1 24 #define FS_VERITY_HASH_ALG_SHA512 2 25 struct fsverity_enable_arg { 26 __u32 version; 27 __u32 hash_algorithm; 28 __u32 block_size; 29 __u32 salt_size; 30 __u64 salt_ptr; 31 __u32 sig_size; 32 __u32 __reserved1; 33 __u64 sig_ptr; 34 __u64 __reserved2[11]; 35 }; 36 struct fsverity_digest { 37 __u16 digest_algorithm; 38 __u16 digest_size; 39 __u8 digest[]; 40 }; 41 #define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg) 42 #define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest) 43 #endif 44