ubuntu20.04 init

hc

2024-03-25 edb30157bad0c0001c32b854271ace01d3b9a16a

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
/** @file 
  Support PCI chipset initialization. 
 
  @copyright 
  Copyright 1999 - 2021 Intel Corporation. <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, 
  OUT PCI_TYPE00                      *Pci, 
  UINT8                               Bus, 
  UINT8                               Device, 
  UINT8                               Func 
  ); 
 
 
#endif