From 395a656ffc4ec75655761fdda4d7d884d6dcf39a Mon Sep 17 00:00:00 2001
From: rsun3 <rsun3@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Wed, 2 Sep 2009 07:56:54 +0000
Subject: [PATCH] Add into MdePkg definitions for the SMM PCI Root Bridge IO
 protocol as defined in the PI 1.2 specification.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9225 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdePkg/Include/Protocol/SmmPciRootBridgeIo.h | 37 ++++++++++++++++++++
 MdePkg/MdePkg.dec                            |  3 ++
 2 files changed, 40 insertions(+)
 create mode 100644 MdePkg/Include/Protocol/SmmPciRootBridgeIo.h

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
   #
-- 
2.39.2