diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/fs.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/fsverity.h | 40 |
2 files changed, 41 insertions, 0 deletions
diff --git a/include/uapi/linux/fs.h b/include/uapi/linux/fs.h index 41bd84d25a98..aad225b05be7 100644 --- a/include/uapi/linux/fs.h +++ b/include/uapi/linux/fs.h @@ -258,6 +258,7 @@ struct fsxattr { #define FS_TOPDIR_FL 0x00020000 /* Top of directory hierarchies*/ #define FS_HUGE_FILE_FL 0x00040000 /* Reserved for ext4 */ #define FS_EXTENT_FL 0x00080000 /* Extents */ +#define FS_VERITY_FL 0x00100000 /* Verity protected inode */ #define FS_EA_INODE_FL 0x00200000 /* Inode used for large EA */ #define FS_EOFBLOCKS_FL 0x00400000 /* Reserved for ext4 */ #define FS_NOCOW_FL 0x00800000 /* Do not cow file */ diff --git a/include/uapi/linux/fsverity.h b/include/uapi/linux/fsverity.h new file mode 100644 index 000000000000..da0daf6c193b --- /dev/null +++ b/include/uapi/linux/fsverity.h @@ -0,0 +1,40 @@ +/* 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 */ |