EdkCompatibilityPkg/Foundation/Include/IndustryStandard/AcpiCommon.h

   1 /*++
   2
   3 Copyright (c) 2007, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13
  14   AcpiCommon.h
  15
  16 Abstract:
  17
  18   This file contains some basic ACPI definitions that are consumed by drivers
  19   that do not care about ACPI versions.
  20
  21 --*/
  22
  23 #ifndef _ACPI_COMMON_H_
  24 #define _ACPI_COMMON_H_
  25
  26 #include "Tiano.h"
  27
  28 //
  29 // Common table header, this prefaces all ACPI tables, including FACS, but
  30 // excluding the RSD PTR structure
  31 //
  32 typedef struct {
  33   UINT32  Signature;
  34   UINT32  Length;
  35 } EFI_ACPI_COMMON_HEADER;
  36
  37 //
  38 // Common ACPI description table header.  This structure prefaces most ACPI tables.
  39 //
  40 #pragma pack(1)
  41
  42 typedef struct {
  43   UINT32  Signature;
  44   UINT32  Length;
  45   UINT8   Revision;
  46   UINT8   Checksum;
  47   UINT8   OemId[6];
  48   UINT64  OemTableId;
  49   UINT32  OemRevision;
  50   UINT32  CreatorId;
  51   UINT32  CreatorRevision;
  52 } EFI_ACPI_DESCRIPTION_HEADER;
  53
  54 #pragma pack()
  55 //
  56 // Define for Pci Host Bridge Resource Allocation
  57 //
  58 #define ACPI_ADDRESS_SPACE_DESCRIPTOR 0x8A
  59 #define ACPI_END_TAG_DESCRIPTOR       0x79
  60
  61 #define ACPI_ADDRESS_SPACE_TYPE_MEM   0x00
  62 #define ACPI_ADDRESS_SPACE_TYPE_IO    0x01
  63 #define ACPI_ADDRESS_SPACE_TYPE_BUS   0x02
  64
  65 //
  66 // Make sure structures match spec
  67 //
  68 #pragma pack(1)
  69
  70 typedef struct {
  71   UINT8   Desc;
  72   UINT16  Len;
  73   UINT8   ResType;
  74   UINT8   GenFlag;
  75   UINT8   SpecificFlag;
  76   UINT64  AddrSpaceGranularity;
  77   UINT64  AddrRangeMin;
  78   UINT64  AddrRangeMax;
  79   UINT64  AddrTranslationOffset;
  80   UINT64  AddrLen;
  81 } EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR;
  82
  83 typedef struct {
  84   UINT8 Desc;
  85   UINT8 Checksum;
  86 } EFI_ACPI_END_TAG_DESCRIPTOR;
  87
  88 //
  89 // General use definitions
  90 //
  91 #define EFI_ACPI_RESERVED_BYTE  0x00
  92 #define EFI_ACPI_RESERVED_WORD  0x0000
  93 #define EFI_ACPI_RESERVED_DWORD 0x00000000
  94 #define EFI_ACPI_RESERVED_QWORD 0x0000000000000000
  95
  96 #pragma pack()
  97
  98 #endif