diff --git a/arch/x86/kvm/vmx/tdx_arch.h b/arch/x86/kvm/vmx/tdx_arch.h...
new file mode 100644
index 000000000000..942a0e561a7b
--- /dev/null
+++ b/arch/x86/kvm/vmx/tdx_arch.h
+
+#define TDG_VP_VMCALL_GET_TD_VM_CALL_INFO 0x10000
+#define TDG_VP_VMCALL_MAP_GPA 0x10001
+#define TDG_VP_VMCALL_GET_QUOTE 0x10002
+#define TDG_VP_VMCALL_REPORT_FATAL_ERROR 0x10003
+#define TDG_VP_VMCALL_SETUP_EVENT_NOTIFY_INTERRUPT 0x10004