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-rw-r--r--MdePkg/Include/Protocol/SmmPciRootBridgeIo.h37
-rw-r--r--MdePkg/MdePkg.dec3
2 files changed, 40 insertions, 0 deletions
diff --git a/MdePkg/Include/Protocol/SmmPciRootBridgeIo.h b/MdePkg/Include/Protocol/SmmPciRootBridgeIo.h
new file mode 100644
index 0000000000..7cb547dcdf
--- /dev/null
+++ b/MdePkg/Include/Protocol/SmmPciRootBridgeIo.h
@@ -0,0 +1,37 @@
+/** @file
+ SMM PCI Root Bridge IO protocol as defined in the PI 1.2 specification.
+
+ This protocol provides PCI I/O and memory access within SMM.
+
+ Copyright (c) 2009, Intel Corporation
+ All rights reserved. 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 _SMM_PCI_ROOT_BRIDGE_IO_H_
+#define _SMM_PCI_ROOT_BRIDGE_IO_H_
+
+#include <Protocol/PciRootBridgeIo.h>
+
+#define EFI_SMM_PCI_ROOT_BRIDGE_IO_PROTOCOL_GUID \
+ { \
+ 0x8bc1714d, 0xffcb, 0x41c3, { 0x89, 0xdc, 0x6c, 0x74, 0xd0, 0x6d, 0x98, 0xea } \
+ }
+
+///
+/// This protocol provides the same functionality as the PCI Root Bridge I/O Protocol defined in the
+/// UEFI 2.1 Specifcation, section 13.2, except that the functions for Map() and Unmap() may return
+/// EFI_UNSUPPORTED.
+///
+typedef EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL EFI_SMM_PCI_ROOT_BRIDGE_IO_PROTOCOL;
+
+extern EFI_GUID gEfiSmmPciRootBridgeIoProtocolGuid;
+
+#endif
+
diff --git a/MdePkg/MdePkg.dec b/MdePkg/MdePkg.dec
index 7f386b1869..acbd6a69c8 100644
--- a/MdePkg/MdePkg.dec
+++ b/MdePkg/MdePkg.dec
@@ -605,6 +605,9 @@
## Include/Protocol/SmmCpu.h
gEfiSmmCpuProtocolGuid = { 0xeb346b97, 0x975f, 0x4a9f, { 0x8b, 0x22, 0xf8, 0xe9, 0x2b, 0xb3, 0xd5, 0x69 }}
+ ## Include/Protocol/SmmPciRootBridgeIo.h
+ gEfiSmmPciRootBridgeIoProtocolGuid = { 0x8bc1714d, 0xffcb, 0x41c3, { 0x89, 0xdc, 0x6c, 0x74, 0xd0, 0x6d, 0x98, 0xea }}
+
#
# Protocols defined in UEFI2.1/UEFI2.0/EFI1.1
#