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diff --git a/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/SmBus.h b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/SmBus.h
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+++ b/src/vendorcode/intel/edk2/edk2-stable202005/MdePkg/Include/IndustryStandard/SmBus.h
@@ -0,0 +1,75 @@
+/** @file
+ This file declares the SMBus definitions defined in SmBus Specification V2.0
+ and defined in PI1.0 specification volume 5.
+
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
+ SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#ifndef _SMBUS_H_
+#define _SMBUS_H_
+
+
+///
+/// UDID of SMBUS device.
+///
+typedef struct {
+ UINT32 VendorSpecificId;
+ UINT16 SubsystemDeviceId;
+ UINT16 SubsystemVendorId;
+ UINT16 Interface;
+ UINT16 DeviceId;
+ UINT16 VendorId;
+ UINT8 VendorRevision;
+ UINT8 DeviceCapabilities;
+} EFI_SMBUS_UDID;
+
+///
+/// Smbus Device Address
+///
+typedef struct {
+ ///
+ /// The SMBUS hardware address to which the SMBUS device is preassigned or allocated.
+ ///
+ UINTN SmbusDeviceAddress : 7;
+} EFI_SMBUS_DEVICE_ADDRESS;
+
+typedef struct {
+ ///
+ /// The SMBUS hardware address to which the SMBUS device is preassigned or
+ /// allocated. Type EFI_SMBUS_DEVICE_ADDRESS is defined in EFI_PEI_SMBUS2_PPI.Execute().
+ ///
+ EFI_SMBUS_DEVICE_ADDRESS SmbusDeviceAddress;
+ ///
+ /// The SMBUS Unique Device Identifier (UDID) as defined in EFI_SMBUS_UDID.
+ /// Type EFI_SMBUS_UDID is defined in EFI_PEI_SMBUS2_PPI.ArpDevice().
+ ///
+ EFI_SMBUS_UDID SmbusDeviceUdid;
+} EFI_SMBUS_DEVICE_MAP;
+
+///
+/// Smbus Operations
+///
+typedef enum _EFI_SMBUS_OPERATION {
+ EfiSmbusQuickRead,
+ EfiSmbusQuickWrite,
+ EfiSmbusReceiveByte,
+ EfiSmbusSendByte,
+ EfiSmbusReadByte,
+ EfiSmbusWriteByte,
+ EfiSmbusReadWord,
+ EfiSmbusWriteWord,
+ EfiSmbusReadBlock,
+ EfiSmbusWriteBlock,
+ EfiSmbusProcessCall,
+ EfiSmbusBWBRProcessCall
+} EFI_SMBUS_OPERATION;
+
+///
+/// EFI_SMBUS_DEVICE_COMMAND
+///
+typedef UINTN EFI_SMBUS_DEVICE_COMMAND;
+
+#endif
+