Initial import.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524

EdkModulePkg/Universal/Disk/Partition/Dxe/Gpt.h

@@ -0,0 +1,76 @@
+/*++
+
+Copyright (c) 2006, Intel Corporation                                                         
+All rights reserved. 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.             
+
+Module Name:
+
+  Gpt.h
+  
+Abstract:
+
+  Data Structures required for detecting GPT Partitions
+  
+Revision History
+
+--*/
+
+#ifndef _GPT_H_
+#define _GPT_H_
+
+#pragma pack(1)
+
+#define PRIMARY_PART_HEADER_LBA 1
+
+#define EFI_PTAB_HEADER_ID      "EFI PART"
+
+//
+// EFI Partition Attributes
+//
+#define EFI_PART_REQUIRED_TO_FUNCTION 0x0000000000000001
+
+//
+// GPT Partition Table Header
+//
+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            PartitionEntryArrayCRC32;
+} EFI_PARTITION_TABLE_HEADER;
+
+//
+// GPT Partition Entry
+//
+typedef struct {
+  EFI_GUID  PartitionTypeGUID;
+  EFI_GUID  UniquePartitionGUID;
+  EFI_LBA   StartingLBA;
+  EFI_LBA   EndingLBA;
+  UINT64    Attributes;
+  CHAR16    PartitionName[36];
+} EFI_PARTITION_ENTRY;
+
+//
+// GPT Partition Entry Status
+//
+typedef struct {
+  BOOLEAN OutOfRange;
+  BOOLEAN Overlap;
+} EFI_PARTITION_ENTRY_STATUS;
+
+#pragma pack()
+
+#endif