inc/efigpt.h

   1 #ifndef _EFI_GPT_H
   2 #define _EFI_GPT_H
   3 /*++
   4
   5 Copyright (c) 1998  Intel Corporation
   6
   7 Module Name:
   8
   9     EfiGpt.h
  10
  11 Abstract:
  12     Include file for EFI partitioning scheme
  13
  14
  15
  16 Revision History
  17
  18 --*/
  19
  20 #define PRIMARY_PART_HEADER_LBA         1
  21
  22 typedef struct {
  23     EFI_TABLE_HEADER    Header;
  24     EFI_LBA             MyLBA;
  25     EFI_LBA             AlternateLBA;
  26     EFI_LBA             FirstUsableLBA;
  27     EFI_LBA             LastUsableLBA;
  28     EFI_GUID            DiskGUID;
  29     EFI_LBA             PartitionEntryLBA;
  30     UINT32              NumberOfPartitionEntries;
  31     UINT32              SizeOfPartitionEntry;
  32     UINT32              PartitionEntryArrayCRC32;
  33 } EFI_PARTITION_TABLE_HEADER;
  34
  35 #define EFI_PTAB_HEADER_ID  "EFI PART"
  36
  37 typedef struct {
  38     EFI_GUID    PartitionTypeGUID;
  39     EFI_GUID    UniquePartitionGUID;
  40     EFI_LBA     StartingLBA;
  41     EFI_LBA     EndingLBA;
  42     UINT64      Attributes;
  43     CHAR16      PartitionName[36];
  44 } EFI_PARTITION_ENTRY;
  45
  46 //
  47 // EFI Partition Attributes
  48 //
  49 #define EFI_PART_USED_BY_EFI            0x0000000000000001
  50 #define EFI_PART_REQUIRED_TO_FUNCTION   0x0000000000000002
  51 #define EFI_PART_USED_BY_OS             0x0000000000000004
  52 #define EFI_PART_REQUIRED_BY_OS         0x0000000000000008
  53 #define EFI_PART_BACKUP_REQUIRED        0x0000000000000010
  54 #define EFI_PART_USER_DATA              0x0000000000000020
  55 #define EFI_PART_CRITICAL_USER_DATA     0x0000000000000040
  56 #define EFI_PART_REDUNDANT_PARTITION    0x0000000000000080
  57
  58 #define EFI_PART_TYPE_UNUSED_GUID   \
  59     { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }
  60
  61 #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID  \
  62     { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
  63
  64 #define EFI_PART_TYPE_LEGACY_MBR_GUID   \
  65     { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} }
  66
  67 #endif
  68