EdkCompatibilityPkg/Foundation/Framework/Ppi/PciCfg2/PciCfg2.h

   1 /*++
   2
   3 Copyright (c) 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  PciCfg2.h
  15
  16 Abstract:
  17
  18   PciCfg2 PPI as defined in PI1.0 specification
  19
  20   Used to access PCI configuration space in PEI
  21
  22 --*/
  23
  24 #ifndef _PEI_PCI_CFG2_H_
  25 #define _PEI_PCI_CFG2_H_
  26 #include "EfiPciCfg.h"
  27
  28 #define EFI_PEI_PCI_CFG2_PPI_GUID \
  29   { \
  30     0x57a449a, 0x1fdc, 0x4c06, 0xbf, 0xc9, 0xf5, 0x3f, 0x6a, 0x99, 0xbb, 0x92 \
  31   }
  32
  33 EFI_FORWARD_DECLARATION (EFI_PEI_PCI_CFG2_PPI);
  34
  35
  36 typedef
  37 EFI_STATUS
  38 (EFIAPI *EFI_PEI_PCI_CFG_PPI_IO) (
  39   IN CONST EFI_PEI_SERVICES         **PeiServices,
  40   IN CONST EFI_PEI_PCI_CFG2_PPI     *This,
  41   IN EFI_PEI_PCI_CFG_PPI_WIDTH      Width,
  42   IN UINT64                         Address,
  43   IN OUT VOID                       *Buffer
  44   );
  45
  46 typedef
  47 EFI_STATUS
  48 (EFIAPI *EFI_PEI_PCI_CFG_PPI_RW) (
  49   IN CONST EFI_PEI_SERVICES         **PeiServices,
  50   IN CONST EFI_PEI_PCI_CFG2_PPI     *This,
  51   IN EFI_PEI_PCI_CFG_PPI_WIDTH      Width,
  52   IN UINT64                         Address,
  53   IN VOID                           *SetBits,
  54   IN VOID                           *ClearBits
  55   );
  56
  57 typedef struct _EFI_PEI_PCI_CFG2_PPI {
  58   EFI_PEI_PCI_CFG_PPI_IO  Read;
  59   EFI_PEI_PCI_CFG_PPI_IO  Write;
  60   EFI_PEI_PCI_CFG_PPI_RW  Modify;
  61   UINT16                  Segment;
  62 } EFI_PEI_PCI_CFG2_PPI;
  63
  64 extern EFI_GUID gPeiPciCfg2PpiGuid;
  65
  66 #endif