OvmfPkg/Library/UefiPciCapPciIoLib/UefiPciCapPciIoLib.h

   1 /** @file
   2   Plug an EFI_PCI_IO_PROTOCOL backend into PciCapLib, for config space access
   3   -- internal macro and type definitions.
   4
   5   Copyright (C) 2018, Red Hat, Inc.
   6
   7   This program and the accompanying materials are licensed and made available
   8   under the terms and conditions of the BSD License which accompanies this
   9   distribution.  The full text of the license may be found at
  10   http://opensource.org/licenses/bsd-license.php
  11
  12   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, WITHOUT
  13   WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  14 **/
  15
  16 #ifndef __UEFI_PCI_CAP_PCI_IO_LIB_H__
  17 #define __UEFI_PCI_CAP_PCI_IO_LIB_H__
  18
  19 #include <Library/DebugLib.h>
  20
  21 #include <Library/PciCapPciIoLib.h>
  22
  23 #define PROTO_DEV_SIG SIGNATURE_64 ('P', 'C', 'P', 'I', 'O', 'P', 'R', 'T')
  24
  25 typedef struct {
  26   //
  27   // Signature identifying the derived class.
  28   //
  29   UINT64 Signature;
  30   //
  31   // Members added by the derived class, specific to the use of
  32   // EFI_PCI_IO_PROTOCOL.
  33   //
  34   EFI_PCI_IO_PROTOCOL *PciIo;
  35   //
  36   // Base class.
  37   //
  38   PCI_CAP_DEV BaseDevice;
  39 } PROTO_DEV;
  40
  41 #define PROTO_DEV_FROM_PCI_CAP_DEV(PciDevice) \
  42   CR (PciDevice, PROTO_DEV, BaseDevice, PROTO_DEV_SIG)
  43
  44 #endif // __UEFI_PCI_CAP_PCI_IO_LIB_H__