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      1 /*++
      2 
      3 Copyright (c) 2007, Intel Corporation. All rights reserved.<BR>
      4 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
     99