diff --git a/libc/kernel/uapi/linux/psp-sev.h b/libc/kernel/uapi/linux/psp-sev.h
index 10582d4..b3f88dc 100644
--- a/libc/kernel/uapi/linux/psp-sev.h
+++ b/libc/kernel/uapi/linux/psp-sev.h
@@ -28,6 +28,7 @@
   SEV_PDH_CERT_EXPORT,
   SEV_PEK_CERT_IMPORT,
   SEV_GET_ID,
+  SEV_GET_ID2,
   SEV_MAX,
 };
 typedef enum {
@@ -83,6 +84,10 @@
   __u8 socket1[64];
   __u8 socket2[64];
 } __packed;
+struct sev_user_data_get_id2 {
+  __u64 address;
+  __u32 length;
+} __packed;
 struct sev_issue_cmd {
   __u32 cmd;
   __u64 data;