Protocol/VirtualUncachedPages.h

   1 /** @file
   2
   3   Copyright (c) 2008-2010 Apple Inc. All rights reserved.<BR>
   4
   5   All rights reserved. This program and the accompanying materials
   6   are licensed and made available under the terms and conditions of the BSD License
   7   which accompanies this distribution.  The full text of the license may be found at
   8   http://opensource.org/licenses/bsd-license.php
   9
  10   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef __VIRTUAL_UNCACHED_PAGES_ROTOCOL_H__
  16 #define __VIRTUAL_UNCACHED_PAGES_ROTOCOL_H__
  17
  18 //
  19 // Protocol GUID
  20 //
  21 #define VIRTUAL_UNCACHED_PAGES_PROTOCOL_GUID { 0xAD651C7D, 0x3C22, 0x4DBF, { 0x92, 0xe8, 0x38, 0xa7, 0xcd, 0xae, 0x87, 0xb2 } }
  22
  23
  24
  25 //
  26 // Protocol interface structure
  27 //
  28 typedef struct _VIRTUAL_UNCACHED_PAGES_PROTOCOL  VIRTUAL_UNCACHED_PAGES_PROTOCOL;
  29
  30
  31 typedef
  32 EFI_STATUS
  33 (EFIAPI *CONVERT_PAGES_TO_UNCACHED_VIRTUAL_ADDRESS) (
  34   IN  VIRTUAL_UNCACHED_PAGES_PROTOCOL   *This,
  35   IN  EFI_PHYSICAL_ADDRESS              Address,
  36   IN  UINTN                             Length,
  37   IN  EFI_PHYSICAL_ADDRESS              VirtualMask,
  38   OUT UINT64                            *Attributes     OPTIONAL
  39   );
  40
  41 typedef
  42 EFI_STATUS
  43 (EFIAPI *FREE_CONVERTED_PAGES) (
  44   IN  VIRTUAL_UNCACHED_PAGES_PROTOCOL   *This,
  45   IN  EFI_PHYSICAL_ADDRESS              Address,
  46   IN  UINTN                             Length,
  47   IN  EFI_PHYSICAL_ADDRESS              VirtualMask,
  48   IN  UINT64                            Attributes
  49   );
  50
  51
  52
  53 struct _VIRTUAL_UNCACHED_PAGES_PROTOCOL {
  54   CONVERT_PAGES_TO_UNCACHED_VIRTUAL_ADDRESS  ConvertPages;
  55   FREE_CONVERTED_PAGES                       FreeConvertedPages;
  56 };
  57
  58 extern EFI_GUID gVirtualUncachedPagesProtocolGuid;
  59
  60 #endif