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//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
//**********************************************************************
// $Header: /Alaska/SOURCE/Core/CORE_DXE/Partition/Gpt.h 6 7/09/09 5:01p Oleksiyy $
//
// $Revision: 6 $
//
// $Date: 7/09/09 5:01p $
//**********************************************************************
// Revision History
// ----------------
// $Log: /Alaska/SOURCE/Core/CORE_DXE/Partition/Gpt.h $
//
// 6 7/09/09 5:01p Oleksiyy
// Files clean-up
//
// 5 1/08/08 4:37p Robert
//
// 4 1/08/08 4:00p Robert
//
// 3 1/07/08 4:21p Robert
// Updated for coding standard
//
// 2 4/24/07 6:06p Robert
// Update for CHM compliance
//
// 1 1/28/05 1:17p Felixp
//
// 2 1/18/05 3:22p Felixp
// PrintDebugMessage renamed to Trace
//
// 1 12/22/04 6:19p Admin
//
// 1 12/22/04 6:18p Admin
//
// 2 12/02/04 5:54p Robert
// Partition driver version works
//
//**********************************************************************
//<AMI_FHDR_START>
//
// Name: <GPT.h>
//
// Description: EFI GPT Partition Generic Driver Header.
//
//<AMI_FHDR_END>
//**********************************************************************
#ifndef _GPT_H_
#define _GPT_H_
#pragma pack(1)
#define EFI_GPT_HEADER_ID "EFI PART"
// GUID Partition Table Header
//<AMI_STHDR_START>
//============================================================================
// Structure: GPT_HEADER
//
// Description: Data Structure definition of the GPT table
//
// Fields:
// Header - EFI_TABLE_HEADER - defines generic EFI header information
// MyLba - EFI_LBA - The LBA that contains this GPT data structure
// AlternateLba - EFI_LBA - The LBA that contains the alternative GPT
// data structure
// FirstUsableLba - EFI_LBA - the first logical block that can be used
// in a partition that is defined by the GPT
// LastUsableLba - EFI_LBA - the last logical block that can be used
// in a partition that is defined by the GPT
// DiskGuid - EFI_GUID - Unique GUID to identify this hard drive
// PartitionEntryLba - EFI_LBA - the starting LBA of the GUID Partition
// Entry Array
// NumberOfPartitionEntries - UINT32 - the number of partition entries
// in the Array
// SizeOfPartitionEntry - UINT32 - the size of each partition entry
// Crc32 - UINT32 - crc value of the entire GPT block
//
// Referral:
// EFI_TABLE_HEADER EFI_LBA EFI_GUID
//============================================================================
//<AMI_STHDR_END>
typedef struct
{
EFI_TABLE_HEADER Header;
EFI_LBA MyLba;
EFI_LBA AlternateLba;
EFI_LBA FirstUsableLba;
EFI_LBA LastUsableLba;
EFI_GUID DiskGuid;
EFI_LBA PartitionEntryLba;
UINT32 NumberOfPartitionEntries;
UINT32 SizeOfPartitionEntry;
UINT32 Crc32;
} GPT_HEADER;
// GPT Partition Entry
//<AMI_STHDR_START>
//============================================================================
// Structure: PARTITION_ENTRY
//
// Description: Data Structure definition of a partion entry in the GPT table
//
// Fields:
// PartitionTypeGuid - EFI_GUID - contains GUID that defines that type
// of GUID
// UniquePartitionGuid - EFI_GUID - contains unique GUID for each
// partition
// StartingLba - EFI_LBA - first LBA of the partition
// EndingLba - EFI_LBA - last logical block address
// Attributes - UINT64 - UEFI defined attributes
// Bit 0 - Partition is required for platform to function
// Bits 1 - 47 - undefined
// Bits 48 - 64 - reserved for GUID specific use
// PartitionName[36] - CHAR16 - unicode string containing the name of
// the partition
//
// Referral:
// EFI_LBA
//============================================================================
//<AMI_STHDR_END>
typedef struct
{
EFI_GUID PartitionTypeGuid;
EFI_GUID UniquePartitionGuid;
EFI_LBA StartingLba;
EFI_LBA EndingLba;
UINT64 Attributes;
CHAR16 PartitionName[36];
} PARTITION_ENTRY;
#pragma pack()
#endif
//**********************************************************************
//**********************************************************************
//** **
//** (C)Copyright 1985-2009, American Megatrends, Inc. **
//** **
//** All Rights Reserved. **
//** **
//** 5555 Oakbrook Parkway, Suite 200, Norcross, GA 30093 **
//** **
//** Phone: (770)-246-8600 **
//** **
//**********************************************************************
//**********************************************************************
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