diff --git a/linux-5.10/prebuilts/usr/include/linux/fsverity.h b/linux-5.10/prebuilts/usr/include/linux/fsverity.h
index 50135675322795c74e343efc3cc8a9009d51148e..3e6f5cc427c9be499b750b92282271aba3ce431f 100644
--- a/linux-5.10/prebuilts/usr/include/linux/fsverity.h
+++ b/linux-5.10/prebuilts/usr/include/linux/fsverity.h
@@ -40,4 +40,25 @@ struct fsverity_digest {
 };
 #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_VERITY_CODE_SIGN_VERSION 5
+
+struct code_sign_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[7];
+	__u32 __reserved3;
+	__u32 flags;
+	__u64 data_size;
+	__u64 tree_offset;
+	__u64 root_hash_ptr;
+};
+
+#define FS_IOC_ENABLE_CODE_SIGN _IOW('f', 140, struct code_sign_enable_arg)
 #endif