diff --git a/OvmfPkg/Include/IndustryStandard/QemuPciBridgeCapabilities.h b/OvmfPkg/Include/IndustryStandard/QemuPciBridgeCapabilities.h
new file mode 100644
index 0000000000..bf2373c556
--- /dev/null
+++ b/OvmfPkg/Include/IndustryStandard/QemuPciBridgeCapabilities.h
@@ -0,0 +1,60 @@
+/** @file
+  Macro and type definitions for QEMU's Red Hat vendor-specific PCI
+  capabilities that provide various hints about PCI Bridges.
+
+  Refer to "docs/pcie_pci_bridge.txt" in the QEMU source directory.
+
+  Copyright (C) 2017, Red Hat, Inc.
+
+  This program and the accompanying materials are licensed and made available
+  under the terms and conditions of the BSD License which accompanies this
+  distribution. The full text of the license may be found at
+  http://opensource.org/licenses/bsd-license.php
+
+  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
+  WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+**/
+
+#ifndef __QEMU_PCI_BRIDGE_CAPABILITIES_H__
+#define __QEMU_PCI_BRIDGE_CAPABILITIES_H__
+
+#include <IndustryStandard/Pci23.h>
+
+//
+// The hints apply to PCI Bridges whose PCI_DEVICE_INDEPENDENT_REGION.VendorId
+// equals the following value.
+//
+#define QEMU_PCI_BRIDGE_VENDOR_ID_REDHAT 0x1B36
+
+//
+// Common capability header for all hints.
+//
+#pragma pack (1)
+typedef struct {
+  EFI_PCI_CAPABILITY_VENDOR_HDR VendorHdr;
+  UINT8                         Type;
+} QEMU_PCI_BRIDGE_CAPABILITY_HDR;
+#pragma pack ()
+
+//
+// Values defined for QEMU_PCI_BRIDGE_CAPABILITY_HDR.Type.
+//
+#define QEMU_PCI_BRIDGE_CAPABILITY_TYPE_RESOURCE_RESERVATION 0x01
+
+//
+// PCI Resource Reservation structure for when
+// QEMU_PCI_BRIDGE_CAPABILITY_HDR.Type equals
+// QEMU_PCI_BRIDGE_CAPABILITY_TYPE_RESOURCE_RESERVATION.
+//
+#pragma pack (1)
+typedef struct {
+  QEMU_PCI_BRIDGE_CAPABILITY_HDR BridgeHdr;
+  UINT32                         BusNumbers;
+  UINT64                         Io;
+  UINT32                         NonPrefetchable32BitMmio;
+  UINT32                         Prefetchable32BitMmio;
+  UINT64                         Prefetchable64BitMmio;
+} QEMU_PCI_BRIDGE_CAPABILITY_RESOURCE_RESERVATION;
+#pragma pack ()
+
+#endif