MdePkg: Add Ipmi2.0 definitions head file.

Re-add Ipmi2.0 definitions header files based on Ipmi category:
App, Storage and etc.
In V3, the file name has been changed for short.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Daocheng Bu <daocheng.bu@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@19272 6f19259b-4bc3-4df7-8a09-765794883524

MdePkg/Include/IndustryStandard/IpmiNetFnSensorEvent.h

@@ -0,0 +1,52 @@
+/** @file
+  IPMI 2.0 definitions from the IPMI Specification Version 2.0, Revision 1.1.
+
+  This file contains all NetFn Sensor/Event commands, including:
+    Event Commands (Chapter 29)
+    PEF and Alerting Commands (Chapter 30)
+    Sensor Device Commands (Chapter 35)
+
+  See IPMI specification, Appendix G, Command Assignments
+  and Appendix H, Sub-function Assignments.
+
+  Copyright (c) 1999 - 2015, Intel Corporation. All rights reserved.<BR>
+  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 _IPMI_NET_FN_SENSOR_EVENT_H_
+#define _IPMI_NET_FN_SENSOR_EVENT_H_
+
+#pragma pack(1)
+//
+// Net function definition for Sensor command
+//
+#define IPMI_NETFN_SENSOR_EVENT 0x04
+
+//
+// All Sensor commands and their structure definitions to follow here
+//
+
+//
+//  Definitions for Send Platform Event Message command
+//
+#define IPMI_SENSOR_PLATFORM_EVENT_MESSAGE   0x02
+
+typedef struct {
+  UINT8   GeneratorId;
+  UINT8   EvMRevision;
+  UINT8   SensorType;
+  UINT8   SensorNumber;
+  UINT8   EventDirType;
+  UINT8   OEMEvData1;
+  UINT8   OEMEvData2;
+  UINT8   OEMEvData3;
+} IPMI_PLATFORM_EVENT_MESSAGE_DATA;
+
+#pragma pack()
+#endif