From: Eric Biggers <ebiggers@xxxxxxxxxx>
Add the FS_IOC_READ_VERITY_METADATA ioctl.
Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
---
common/fsverity_uapi.h | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/common/fsverity_uapi.h b/common/fsverity_uapi.h
index a739c9a..c59a897 100644
--- a/common/fsverity_uapi.h
+++ b/common/fsverity_uapi.h
@@ -85,7 +85,21 @@ struct fsverity_formatted_digest {
__u8 digest[];
};
+#define FS_VERITY_METADATA_TYPE_MERKLE_TREE 1
+#define FS_VERITY_METADATA_TYPE_DESCRIPTOR 2
+#define FS_VERITY_METADATA_TYPE_SIGNATURE 3
+
+struct fsverity_read_metadata_arg {
+ __u64 metadata_type;
+ __u64 offset;
+ __u64 length;
+ __u64 buf_ptr;
+ __u64 __reserved;
+};
+
#define FS_IOC_ENABLE_VERITY _IOW('f', 133, struct fsverity_enable_arg)
#define FS_IOC_MEASURE_VERITY _IOWR('f', 134, struct fsverity_digest)
+#define FS_IOC_READ_VERITY_METADATA \
+ _IOWR('f', 135, struct fsverity_read_metadata_arg)
#endif /* _UAPI_LINUX_FSVERITY_H */
--
2.30.0
