diff --git a/sections/cper-section-pci-dev.h b/sections/cper-section-pci-dev.h
new file mode 100644
index 0000000..43d36ea
--- /dev/null
+++ b/sections/cper-section-pci-dev.h
@@ -0,0 +1,34 @@
+#ifndef CPER_SECTION_PCI_DEV_H
+#define CPER_SECTION_PCI_DEV_H
+
+#include "json.h"
+#include "../edk/Cper.h"
+
+#define PCI_DEV_ERROR_VALID_BITFIELD_NAMES (const char*[]) {"errorStatusValid", "idInfoValid", "memoryNumberValid", \
+    "ioNumberValid", "registerDataPairValid"}
+
+///
+/// PCI/PCI-X Device Error Section
+///
+typedef struct {
+  UINT64 VendorId : 2;
+  UINT64 DeviceId : 2;
+  UINT64 ClassCode : 3;
+  UINT64 FunctionNumber : 1;
+  UINT64 DeviceNumber : 1;
+  UINT64 BusNumber : 1;
+  UINT64 SegmentNumber : 1;
+  UINT64 Reserved : 5;
+} EFI_PCI_PCIX_DEVICE_ID_INFO;
+
+typedef struct {
+  UINT64                      ValidFields;
+  EFI_GENERIC_ERROR_STATUS    ErrorStatus;
+  EFI_PCI_PCIX_DEVICE_ID_INFO IdInfo;
+  UINT32                      MemoryNumber;
+  UINT32                      IoNumber;
+} EFI_PCI_PCIX_DEVICE_ERROR_DATA;
+
+json_object* cper_section_pci_dev_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor);
+
+#endif
\ No newline at end of file