diff --git a/sections/cper-section-dmar-vtd.h b/sections/cper-section-dmar-vtd.h
index 48be0d2..54e2082 100644
--- a/sections/cper-section-dmar-vtd.h
+++ b/sections/cper-section-dmar-vtd.h
@@ -4,6 +4,24 @@
 #include "json.h"
 #include "../edk/Cper.h"
 
+#define VTD_FAULT_RECORD_TYPES_KEYS (int []){0, 1}
+#define VTD_FAULT_RECORD_TYPES_VALUES (const char*[]){"Write Request", "Read/AtomicOp Request"}
+
+typedef struct {
+    UINT64 Resv1 : 12;
+    UINT64 FaultInformation : 52;
+    UINT64 SourceIdentifier : 16;
+    UINT64 Resv2 : 13;
+    UINT64 PrivelegeModeRequested : 1;
+    UINT64 ExecutePermissionRequested : 1;
+    UINT64 PasidPresent : 1;
+    UINT64 FaultReason : 8;
+    UINT64 PasidValue : 20;
+    UINT64 AddressType : 2;
+    UINT64 Type : 1;
+    UINT64 Resv3 : 1;
+} EFI_VTD_FAULT_RECORD;
+
 json_object* cper_section_dmar_vtd_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
 
 #endif
\ No newline at end of file