OvmfPkg/Include/IndustryStandard/E820.h

   1 /** @file
   2
   3 Copyright (c) 2013, Citrix Systems UK Ltd.
   4 Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>
   5
   6 SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef __E820_H__
  11 #define __E820_H__
  12
  13 #pragma pack(1)
  14
  15 typedef enum {
  16   EfiAcpiAddressRangeMemory   = 1,
  17   EfiAcpiAddressRangeReserved = 2,
  18   EfiAcpiAddressRangeACPI     = 3,
  19   EfiAcpiAddressRangeNVS      = 4
  20 } EFI_ACPI_MEMORY_TYPE;
  21
  22 typedef struct {
  23   UINT64                  BaseAddr;
  24   UINT64                  Length;
  25   EFI_ACPI_MEMORY_TYPE    Type;
  26 } EFI_E820_ENTRY64;
  27
  28 typedef struct {
  29   UINT32                  BassAddrLow;
  30   UINT32                  BaseAddrHigh;
  31   UINT32                  LengthLow;
  32   UINT32                  LengthHigh;
  33   EFI_ACPI_MEMORY_TYPE    Type;
  34 } EFI_E820_ENTRY;
  35
  36 #pragma pack()
  37
  38 #endif /* __E820_H__ */