IntelFrameworkPkg/Include/Guid/BlockIo.h

   1 /** @file
   2   This file declares the hardware-device class GUIDs that may be used by the
   3   PEIM that produces the Virtual Block I/O PPI.
   4
   5   These GUIDs are hardware-device class GUIDs that would be imported only by the
   6   Virtual Block I/O PEIM.  This virtual PEIM imports only the actual Block I/O
   7   PPIs from the device-class ones listed here and published a single instance of
   8   the Block I/O PPI for consumption by the File System PEIM.  In the parlance of
   9   the Framework DXE software stack, this Virtual Block I/O PEIM is actually
  10   embodying the functionality of the partition driver.  Thsi Virtual Block I/O
  11   PEIM has to multiple the multiple possible instances of Block I/O and also know
  12   how to parse at least El Torito for CD-ROM and perhaps Master Boot Record(MBR)
  13   and GUID Partition Table(GPT) in the future.
  14
  15   Copyright (c) 2009, Intel Corporation
  16   All rights reserved. This program and the accompanying materials
  17   are licensed and made available under the terms and conditions of the BSD License
  18   which accompanies this distribution.  The full text of the license may be found at
  19   http://opensource.org/licenses/bsd-license.php
  20
  21   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  22   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  23
  24   @par Revision Reference:
  25   These GUIDs are defined in Framework Recovery Specification Version 0.9
  26
  27 **/
  28
  29 #ifndef _PEI_BLOCK_IO_GUID_H_
  30 #define _PEI_BLOCK_IO_GUID_H_
  31
  32 ///
  33 /// Global ID for an IDE class recovery device
  34 ///
  35 #define EFI_PEI_IDE_BLOCK_IO_PPI \
  36   { \
  37     0x0964e5b22, 0x6459, 0x11d2, { 0x8e, 0x39, 0x00, 0xa0, 0xc9, 0x69, 0x72, 0x3b }  \
  38   }
  39
  40 ///
  41 /// Global ID for a Floppy class recovery device
  42 ///
  43 #define EFI_PEI_144_FLOPPY_BLOCK_IO_PPI \
  44   { \
  45     0xda6855bd, 0x07b7, 0x4c05, { 0x9e, 0xd8, 0xe2, 0x59, 0xfd, 0x36, 0x0e, 0x22 }  \
  46   }
  47
  48 extern EFI_GUID gEfiPeiIdeBlockIoPpiGuid;
  49 extern EFI_GUID gEfiPei144FloppyBlockIoPpiGuid;
  50
  51 #endif