MdePkg: Add EFI Partition Information Protocol definitions

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>

MdePkg/Include/Protocol/PartitionInfo.h

@@ -0,0 +1,74 @@
+/** @file
+  This file defines the EFI Partition Information Protocol.
+
+  Copyright (c) 2017, 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.
+
+  @par Revision Reference:
+  This Protocol is introduced in UEFI Specification 2.7
+
+**/
+
+#ifndef __PARTITION_INFO_PROTOCOL_H__
+#define __PARTITION_INFO_PROTOCOL_H__
+
+#include <IndustryStandard/Mbr.h>
+#include <Uefi/UefiGpt.h>
+
+//
+// EFI Partition Information Protocol GUID value
+//
+#define EFI_PARTITION_INFO_PROTOCOL_GUID \
+  { 0x8cf2f62c, 0xbc9b, 0x4821, { 0x80, 0x8d, 0xec, 0x9e, 0xc4, 0x21, 0xa1, 0xa0 }};
+
+
+#define EFI_PARTITION_INFO_PROTOCOL_REVISION     0x0001000
+#define PARTITION_TYPE_OTHER                     0x00
+#define PARTITION_TYPE_MBR                       0x01
+#define PARTITION_TYPE_GPT                       0x02
+
+#pragma pack(1)
+
+///
+/// Partition Information Protocol structure.
+///
+typedef struct {
+  //
+  // Set to EFI_PARTITION_INFO_PROTOCOL_REVISION.
+  //
+  UINT32                     Revision;
+  //
+  // Partition info type (PARTITION_TYPE_MBR, PARTITION_TYPE_GPT, or PARTITION_TYPE_OTHER).
+  //
+  UINT32                     Type;
+  //
+  // If 1, partition describes an EFI System Partition.
+  //
+  UINT8                      System;
+  UINT8                      Reserved[7];
+  union {
+    ///
+    /// MBR data
+    ///
+    MBR_PARTITION_RECORD     Mbr;
+    ///
+    /// GPT data
+    ///
+    EFI_PARTITION_ENTRY      Gpt;
+  } Info;
+} EFI_PARTITION_INFO_PROTOCOL;
+
+#pragma pack()
+
+///
+/// Partition Information Protocol GUID variable.
+///
+extern EFI_GUID gEfiPartitionInfoProtocolGuid;
+
+#endif

MdePkg/MdePkg.dec

@@ -1678,6 +1678,9 @@
   ## Include/Protocol/ResetNotification.h
   gEfiResetNotificationProtocolGuid         = { 0x9da34ae0, 0xeaf9, 0x4bbf, { 0x8e, 0xc3, 0xfd, 0x60, 0x22, 0x6c, 0x44, 0xbe } }
 
+  ## Include/Protocol/PartitionInfo.h
+  gEfiPartitionInfoProtocolGuid             = { 0x8cf2f62c, 0xbc9b, 0x4821, { 0x80, 0x8d, 0xec, 0x9e, 0xc4, 0x21, 0xa1, 0xa0 }}
+
   #
   # Protocols defined in Shell2.0
   #