| Elliott Hughes | 8cb52b0 | 2013-11-21 13:43:23 -0800 | [diff] [blame] | 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 | ****************************************************************************/ |
| Christopher Ferris | 9584fa4 | 2019-12-09 15:36:13 -0800 | [diff] [blame] | 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]; |
| Elliott Hughes | 8cb52b0 | 2013-11-21 13:43:23 -0800 | [diff] [blame] | 35 | }; |
| Christopher Ferris | 9584fa4 | 2019-12-09 15:36:13 -0800 | [diff] [blame] | 36 | struct fsverity_digest { |
| 37 | __u16 digest_algorithm; |
| 38 | __u16 digest_size; |
| 39 | __u8 digest[]; |
| 40 | }; |
| Christopher Ferris | 05667cd | 2021-02-16 16:01:34 -0800 | [diff] [blame] | 41 | struct fsverity_descriptor { |
| 42 | __u8 version; |
| 43 | __u8 hash_algorithm; |
| 44 | __u8 log_blocksize; |
| 45 | __u8 salt_size; |
| 46 | __le32 __reserved_0x04; |
| 47 | __le64 data_size; |
| 48 | __u8 root_hash[64]; |
| 49 | __u8 salt[32]; |
| 50 | __u8 __reserved[144]; |
| 51 | }; |
| 52 | struct fsverity_formatted_digest { |
| 53 | char magic[8]; |
| 54 | __le16 digest_algorithm; |
| 55 | __le16 digest_size; |
| 56 | __u8 digest[]; |
| 57 | }; |
| Christopher Ferris | a9750ed | 2021-05-03 14:02:49 -0700 | [diff] [blame^] | 58 | #define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1 |
| 59 | #define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2 |
| 60 | #define FS_VERITY_METADATA_TYPE_SIGNATURE 3 |
| 61 | struct fsverity_read_metadata_arg { |
| 62 | __u64 metadata_type; |
| 63 | __u64 offset; |
| 64 | __u64 length; |
| 65 | __u64 buf_ptr; |
| 66 | __u64 __reserved; |
| 67 | }; |
| Christopher Ferris | 9584fa4 | 2019-12-09 15:36:13 -0800 | [diff] [blame] | 68 | #define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg) |
| 69 | #define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest) |
| Christopher Ferris | a9750ed | 2021-05-03 14:02:49 -0700 | [diff] [blame^] | 70 | #define FS_IOC_READ_VERITY_METADATA _IOWR('f', 135, struct fsverity_read_metadata_arg) |
| Elliott Hughes | 8cb52b0 | 2013-11-21 13:43:23 -0800 | [diff] [blame] | 71 | #endif |