MdePkg/Include/Protocol/PartitionInfo.h

   1 /** @file
   2   This file defines the EFI Partition Information Protocol.
   3
   4   Copyright (c) 2017, Intel Corporation. All rights reserved.<BR>
   5   SPDX-License-Identifier: BSD-2-Clause-Patent
   6
   7   @par Revision Reference:
   8   This Protocol is introduced in UEFI Specification 2.7
   9
  10 **/
  11
  12 #ifndef __PARTITION_INFO_PROTOCOL_H__
  13 #define __PARTITION_INFO_PROTOCOL_H__
  14
  15 #include <IndustryStandard/Mbr.h>
  16 #include <Uefi/UefiGpt.h>
  17
  18 //
  19 // EFI Partition Information Protocol GUID value
  20 //
  21 #define EFI_PARTITION_INFO_PROTOCOL_GUID \
  22   { 0x8cf2f62c, 0xbc9b, 0x4821, { 0x80, 0x8d, 0xec, 0x9e, 0xc4, 0x21, 0xa1, 0xa0 }};
  23
  24 #define EFI_PARTITION_INFO_PROTOCOL_REVISION  0x0001000
  25 #define PARTITION_TYPE_OTHER                  0x00
  26 #define PARTITION_TYPE_MBR                    0x01
  27 #define PARTITION_TYPE_GPT                    0x02
  28
  29 #pragma pack(1)
  30
  31 ///
  32 /// Partition Information Protocol structure.
  33 ///
  34 typedef struct {
  35   //
  36   // Set to EFI_PARTITION_INFO_PROTOCOL_REVISION.
  37   //
  38   UINT32    Revision;
  39   //
  40   // Partition info type (PARTITION_TYPE_MBR, PARTITION_TYPE_GPT, or PARTITION_TYPE_OTHER).
  41   //
  42   UINT32    Type;
  43   //
  44   // If 1, partition describes an EFI System Partition.
  45   //
  46   UINT8     System;
  47   UINT8     Reserved[7];
  48   union {
  49     ///
  50     /// MBR data
  51     ///
  52     MBR_PARTITION_RECORD    Mbr;
  53     ///
  54     /// GPT data
  55     ///
  56     EFI_PARTITION_ENTRY     Gpt;
  57   } Info;
  58 } EFI_PARTITION_INFO_PROTOCOL;
  59
  60 #pragma pack()
  61
  62 ///
  63 /// Partition Information Protocol GUID variable.
  64 ///
  65 extern EFI_GUID  gEfiPartitionInfoProtocolGuid;
  66
  67 #endif