| /* 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 _UAPI_LINUX_FSVERITY_H |
| #define _UAPI_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 /* _UAPI_LINUX_FSVERITY_H */ |
