init

hc

2024-03-22 a0752693d998599af469473b8dc239ef973a012f

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/** @file 
 
Copyright (c) 2018, Intel Corporation. All rights reserved.<BR> 
SPDX-License-Identifier: BSD-2-Clause-Patent 
 
**/ 
 
#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