EmulatorPkg/Include/Protocol/EmuIoThunk.h

   1 /** @file
   2   Emulator Thunk to abstract OS services from pure EFI code
   3
   4   Copyright (c) 2010 - 2011, Apple Inc. All rights reserved.<BR>
   5
   6   This program and the accompanying materials
   7   are licensed and made available under the terms and conditions of the BSD License
   8   which accompanies this distribution.  The full text of the license may be found at
   9   http://opensource.org/licenses/bsd-license.php
  10
  11   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  12   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  13
  14 **/
  15
  16 #ifndef __EMU_IO_THUNK__
  17 #define __EMU_IO_THUNK__
  18
  19
  20 #define EMU_IO_THUNK_PROTOCO_GUID  \
  21  { 0x453368F6, 0x7C85, 0x434A, { 0xA9, 0x8A, 0x72, 0xD1, 0xB7, 0xFF, 0xA9, 0x26 } }
  22
  23
  24 typedef struct _EMU_IO_THUNK_PROTOCOL  EMU_IO_THUNK_PROTOCOL;
  25
  26
  27 typedef
  28 EFI_STATUS
  29 (EFIAPI *EMU_IO_THUNK_PROTOCOL_CLOSE_OPEN) (
  30   IN  EMU_IO_THUNK_PROTOCOL   *This
  31   );
  32
  33 typedef
  34 EFI_STATUS
  35 (EFIAPI *EMU_IO_THUNK_PROTOCOL_CLOSE_CLOSE) (
  36   IN  EMU_IO_THUNK_PROTOCOL   *This
  37   );
  38
  39 struct _EMU_IO_THUNK_PROTOCOL {
  40   EFI_GUID                            *Protocol;
  41   VOID                                *Interface;  /// Only be valid after Open() is called
  42   CHAR16                              *ConfigString;
  43   UINT16                              Instance;
  44   EMU_IO_THUNK_PROTOCOL_CLOSE_OPEN    Open;
  45   EMU_IO_THUNK_PROTOCOL_CLOSE_CLOSE   Close;
  46   VOID                                *Private;    /// Used by implementation
  47 };
  48
  49 extern EFI_GUID gEmuIoThunkProtocolGuid;
  50
  51 #endif