EdkCompatibilityPkg/Foundation/Framework/Ppi/PciCfg/PciCfg.h

   1 /*++
   2
   3 Copyright (c) 2004 - 2007, Intel Corporation
   4 All rights reserved. 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  PciCfg.h
  15
  16 Abstract:
  17
  18   PciCfg PPI as defined in PEI CIS specification
  19
  20   Used to access PCI configuration space in PEI
  21
  22 --*/
  23
  24 #ifndef _PEI_PCI_CFG_H_
  25 #define _PEI_PCI_CFG_H_
  26 #include "EfiPciCfg.h"
  27
  28 #define PEI_PCI_CFG_PPI_GUID \
  29   { \
  30     0xe1f2eba0, 0xf7b9, 0x4a26, 0x86, 0x20, 0x13, 0x12, 0x21, 0x64, 0x2a, 0x90 \
  31   }
  32
  33 EFI_FORWARD_DECLARATION (PEI_PCI_CFG_PPI);
  34
  35
  36 typedef
  37 EFI_STATUS
  38 (EFIAPI *PEI_PCI_CFG_PPI_IO) (
  39   IN EFI_PEI_SERVICES         **PeiServices,
  40   IN PEI_PCI_CFG_PPI          * This,
  41   IN PEI_PCI_CFG_PPI_WIDTH    Width,
  42   IN UINT64                   Address,
  43   IN OUT VOID                 *Buffer
  44   );
  45
  46 typedef
  47 EFI_STATUS
  48 (EFIAPI *PEI_PCI_CFG_PPI_RW) (
  49   IN EFI_PEI_SERVICES         **PeiServices,
  50   IN PEI_PCI_CFG_PPI          * This,
  51   IN PEI_PCI_CFG_PPI_WIDTH    Width,
  52   IN UINT64                   Address,
  53   IN UINTN                    SetBits,
  54   IN UINTN                    ClearBits
  55   );
  56
  57 typedef struct _PEI_PCI_CFG_PPI {
  58   PEI_PCI_CFG_PPI_IO  Read;
  59   PEI_PCI_CFG_PPI_IO  Write;
  60   PEI_PCI_CFG_PPI_RW  Modify;
  61 } PEI_PCI_CFG_PPI;
  62
  63 extern EFI_GUID gPeiPciCfgPpiInServiceTableGuid;
  64
  65 #endif