datahubsubclass.h

来自「EFI BIOS是Intel提出的下一代的BIOS标准。这里上传的Edk源代码是」· C头文件 代码 · 共 74 行

/*++

Copyright (c) 2004, 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:

  DataHubSubClass.h
    
Abstract:

  Definitions for data hub data records that contains a sub class header

Revision History

--*/

#ifndef _DATA_HUB_SUBCLASS_H_
#define _DATA_HUB_SUBCLASS_H_

//
// Sub Class Header type1
//

#define EFI_SUBCLASS_INSTANCE_RESERVED       0
#define EFI_SUBCLASS_INSTANCE_NON_APPLICABLE 0xFFFF  //16 bit

typedef struct {
  UINT32    Version;
  UINT32    HeaderSize;
  UINT16    Instance;
  UINT16    SubInstance;
  UINT32    RecordType;    
} EFI_SUBCLASS_TYPE1_HEADER;

//
// EXP data
//

typedef struct {
  INT16     Value;
  INT16     Exponent;
} EFI_EXP_BASE10_DATA;

typedef struct {
  UINT16    Value;
  UINT16    Exponent;
} EFI_EXP_BASE2_DATA;

//
// Inter link data that references another data record
//

typedef struct {
  EFI_GUID    ProducerName;
  UINT16      Instance;
  UINT16      SubInstance;
} EFI_INTER_LINK_DATA;


//
// String Token Definition
//
#define EFI_STRING_TOKEN    UINT16


#endif