41 lines
931 B
C
41 lines
931 B
C
|
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
|
||
|
|
/*
|
||
|
|
* fs-verity user API
|
||
|
|
*
|
||
|
|
* These ioctls can be used on filesystems that support fs-verity. See the
|
||
|
|
* "User API" section of Documentation/filesystems/fsverity.rst.
|
||
|
|
*
|
||
|
|
* Copyright 2019 Google LLC
|
||
|
|
*/
|
||
|
|
#ifndef _LINUX_FSVERITY_H
|
||
|
|
#define _LINUX_FSVERITY_H
|
||
|
|
|
||
|
|
#include <linux/ioctl.h>
|
||
|
|
#include <linux/types.h>
|
||
|
|
|
||
|
|
#define FS_VERITY_HASH_ALG_SHA256 1
|
||
|
|
#define FS_VERITY_HASH_ALG_SHA512 2
|
||
|
|
|
||
|
|
struct fsverity_enable_arg {
|
||
|
|
__u32 version;
|
||
|
|
__u32 hash_algorithm;
|
||
|
|
__u32 block_size;
|
||
|
|
__u32 salt_size;
|
||
|
|
__u64 salt_ptr;
|
||
|
|
__u32 sig_size;
|
||
|
|
__u32 __reserved1;
|
||
|
|
__u64 sig_ptr;
|
||
|
|
__u64 __reserved2[11];
|
||
|
|
};
|
||
|
|
|
||
|
|
struct fsverity_digest {
|
||
|
|
__u16 digest_algorithm;
|
||
|
|
__u16 digest_size; /* input/output */
|
||
|
|
__u8 digest[];
|
||
|
|
};
|
||
|
|
|
||
|
|
#define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg)
|
||
|
|
#define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest)
|
||
|
|
|
||
|
|
#endif /* _LINUX_FSVERITY_H */
|