diff options
| author | Eric Biggers <ebiggers@google.com> | 2021-03-02 15:59:19 -0800 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2021-03-03 14:51:11 +0100 |
| commit | 06ed56cd22e24a55c40d152880b66b108834c8f2 (patch) | |
| tree | 2b04318ad627521216584f07420116d32087a845 /sys/linux | |
| parent | e5b64d68915ed04952cef2f5dcb3f3ccbb7cfa57 (diff) | |
sys/linux: describe FS_IOC_READ_VERITY_METADATA
Add a description for the FS_IOC_READ_VERITY_METADATA ioctl,
which is new in Linux v5.12-rc1. See
https://www.kernel.org/doc/html/latest/filesystems/fsverity.html#fs-ioc-read-verity-metadata
Diffstat (limited to 'sys/linux')
| -rw-r--r-- | sys/linux/fs_ioctl_fsverity.txt | 13 | ||||
| -rw-r--r-- | sys/linux/fs_ioctl_fsverity.txt.const | 4 |
2 files changed, 17 insertions, 0 deletions
diff --git a/sys/linux/fs_ioctl_fsverity.txt b/sys/linux/fs_ioctl_fsverity.txt index 8505f09ed..c42ec6f1e 100644 --- a/sys/linux/fs_ioctl_fsverity.txt +++ b/sys/linux/fs_ioctl_fsverity.txt @@ -1,11 +1,14 @@ # Copyright 2019 syzkaller project authors. All rights reserved. # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. +# Reference: https://www.kernel.org/doc/html/latest/filesystems/fsverity.html#user-api + include <uapi/linux/fs.h> include <uapi/linux/fsverity.h> ioctl$FS_IOC_ENABLE_VERITY(fd fd, cmd const[FS_IOC_ENABLE_VERITY], arg ptr[in, fsverity_enable_arg]) ioctl$FS_IOC_MEASURE_VERITY(fd fd, cmd const[FS_IOC_MEASURE_VERITY], arg ptr[inout, fsverity_digest]) +ioctl$FS_IOC_READ_VERITY_METADATA(fd fd, cmd const[FS_IOC_READ_VERITY_METADATA], arg ptr[in, fsverity_read_metadata_arg]) fsverity_hash_alg = FS_VERITY_HASH_ALG_SHA256, FS_VERITY_HASH_ALG_SHA512 @@ -26,3 +29,13 @@ fsverity_digest { digest_size len[digest, int16] digest array[int8] } + +fsverity_metadata_type = FS_VERITY_METADATA_TYPE_MERKLE_TREE, FS_VERITY_METADATA_TYPE_DESCRIPTOR, FS_VERITY_METADATA_TYPE_SIGNATURE + +fsverity_read_metadata_arg { + metadata_type flags[fsverity_metadata_type, int64] + offset int64 + length len[buf_ptr, int64] + buf_ptr ptr64[out, array[int8]] + reserved const[0, int64] +} diff --git a/sys/linux/fs_ioctl_fsverity.txt.const b/sys/linux/fs_ioctl_fsverity.txt.const index e21521073..224dcc2cf 100644 --- a/sys/linux/fs_ioctl_fsverity.txt.const +++ b/sys/linux/fs_ioctl_fsverity.txt.const @@ -2,6 +2,10 @@ arches = 386, amd64, arm, arm64, mips64le, ppc64le, riscv64, s390x FS_IOC_ENABLE_VERITY = 1082156677, mips64le:ppc64le:2155898501 FS_IOC_MEASURE_VERITY = 3221513862 +FS_IOC_READ_VERITY_METADATA = 3223873159 FS_VERITY_HASH_ALG_SHA256 = 1 FS_VERITY_HASH_ALG_SHA512 = 2 +FS_VERITY_METADATA_TYPE_DESCRIPTOR = 2 +FS_VERITY_METADATA_TYPE_MERKLE_TREE = 1 +FS_VERITY_METADATA_TYPE_SIGNATURE = 3 __NR_ioctl = 54, amd64:16, arm64:riscv64:29, mips64le:5015 |