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      1 /*	$NetBSD: efigpt.h,v 1.1.1.1 2014/04/01 16:16:07 jakllsch Exp $	*/
      2 
      3 #ifndef _EFI_GPT_H
      4 #define _EFI_GPT_H
      5 /*++
      6 
      7 Copyright (c) 1998  Intel Corporation
      8 
      9 Module Name:
     10 
     11     EfiGpt.h
     12 
     13 Abstract:
     14     Include file for EFI partitioning scheme
     15 
     16 
     17 
     18 Revision History
     19 
     20 --*/
     21 
     22 #define PRIMARY_PART_HEADER_LBA         1
     23 
     24 typedef struct {
     25     EFI_TABLE_HEADER    Header;
     26     EFI_LBA             MyLBA;
     27     EFI_LBA             AlternateLBA;
     28     EFI_LBA             FirstUsableLBA;
     29     EFI_LBA             LastUsableLBA;
     30     EFI_GUID            DiskGUID;
     31     EFI_LBA             PartitionEntryLBA;
     32     UINT32              NumberOfPartitionEntries;
     33     UINT32              SizeOfPartitionEntry;
     34     UINT32              PartitionEntryArrayCRC32;
     35 } EFI_PARTITION_TABLE_HEADER;
     36 
     37 #define EFI_PTAB_HEADER_ID  "EFI PART"
     38 
     39 typedef struct {
     40     EFI_GUID    PartitionTypeGUID;
     41     EFI_GUID    UniquePartitionGUID;
     42     EFI_LBA     StartingLBA;
     43     EFI_LBA     EndingLBA;
     44     UINT64      Attributes;
     45     CHAR16      PartitionName[36];
     46 } EFI_PARTITION_ENTRY;
     47 
     48 //
     49 // EFI Partition Attributes
     50 //
     51 #define EFI_PART_USED_BY_EFI            0x0000000000000001
     52 #define EFI_PART_REQUIRED_TO_FUNCTION   0x0000000000000002
     53 #define EFI_PART_USED_BY_OS             0x0000000000000004
     54 #define EFI_PART_REQUIRED_BY_OS         0x0000000000000008
     55 #define EFI_PART_BACKUP_REQUIRED        0x0000000000000010
     56 #define EFI_PART_USER_DATA              0x0000000000000020
     57 #define EFI_PART_CRITICAL_USER_DATA     0x0000000000000040
     58 #define EFI_PART_REDUNDANT_PARTITION    0x0000000000000080
     59 
     60 #define EFI_PART_TYPE_UNUSED_GUID   \
     61     { 0x00000000, 0x0000, 0x0000, {0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00} }
     62 
     63 #define EFI_PART_TYPE_EFI_SYSTEM_PART_GUID  \
     64     { 0xc12a7328, 0xf81f, 0x11d2, {0xba, 0x4b, 0x00, 0xa0, 0xc9, 0x3e, 0xc9, 0x3b} }
     65 
     66 #define EFI_PART_TYPE_LEGACY_MBR_GUID   \
     67     { 0x024dee41, 0x33e7, 0x11d3, {0x9d, 0x69, 0x00, 0x08, 0xc7, 0x81, 0xf3, 0x9f} }
     68 
     69 #endif
     70 
     71