/** @file

Copyright (c) 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials are licensed and made available under
the terms and conditions of the BSD License that accompanies this distribution.
The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php.

THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

**/

#ifndef  _EFI_PCI_SUPPORT_H_
#define  _EFI_PCI_SUPPORT_H_

#include <Protocol/PciRootBridgeIo.h>

#include <Guid/SetupVariable.h>

typedef struct {
  UINT8  PcieCapPtr;
  UINT8  Function;
  UINT8  Device;  
  UINT8  Bus;
  UINT16 PcieLnkCap;
  UINT16 PcieDevCap;
  //Added to Support AtomicOp Request-->Start
  UINT16 PcieDevCap2;
  //Added to Support AtomicOp Request-->End
} PCIE_CAP_INFO;

typedef struct {
  INTN            Top;
  PCIE_CAP_INFO   PcieCapInfo[FixedPcdGet32(PcdMaxNestedLevel)];
} PCIE_STACK;

extern  PCIE_STACK  mPcieStack;

BOOLEAN
IsPciDevicePresent (
  IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL  *PciRootBridgeIo,
  PCI_TYPE00                          *Pci,
  UINT8                               Bus,
  UINT8                               Device,
  UINT8                               Func
  );
  

#endif