ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.h

/** @file
  Header file for Pci shell Debug1 function.

  Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
  Copyright (c) 2005 - 2017, 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
  which 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_SHELL_PCI_H_
#define _EFI_SHELL_PCI_H_

typedef enum {
  PciDevice,
  PciP2pBridge,
  PciCardBusBridge,
  PciUndefined
} PCI_HEADER_TYPE;

#define INDEX_OF(Field)                               ((UINT8 *) (Field) - (UINT8 *) mConfigSpace)

#define IS_PCIE_ENDPOINT(DevicePortType) \
    ((DevicePortType) == PCIE_DEVICE_PORT_TYPE_PCIE_ENDPOINT || \
     (DevicePortType) == PCIE_DEVICE_PORT_TYPE_LEGACY_PCIE_ENDPOINT || \
     (DevicePortType) == PCIE_DEVICE_PORT_TYPE_ROOT_COMPLEX_INTEGRATED_ENDPOINT)

#define IS_PCIE_SWITCH(DevicePortType) \
    ((DevicePortType == PCIE_DEVICE_PORT_TYPE_UPSTREAM_PORT) || \
     (DevicePortType == PCIE_DEVICE_PORT_TYPE_DOWNSTREAM_PORT))

#pragma pack(1)
//
// Data region after PCI configuration header(for cardbus bridge)
//
typedef struct {
  UINT16  SubVendorId;  // Subsystem Vendor ID
  UINT16  SubSystemId;  // Subsystem ID
  UINT32  LegacyBase;   // Optional 16-Bit PC Card Legacy
  // Mode Base Address
  //
  UINT32  Data[46];
} PCI_CARDBUS_DATA;

typedef union {
  PCI_DEVICE_HEADER_TYPE_REGION Device;
  PCI_BRIDGE_CONTROL_REGISTER   Bridge;
  PCI_CARDBUS_CONTROL_REGISTER  CardBus;
} NON_COMMON_UNION;

typedef struct {
  PCI_DEVICE_INDEPENDENT_REGION Common;
  NON_COMMON_UNION              NonCommon;
  UINT32                        Data[48];
} PCI_CONFIG_SPACE;

#pragma pack()

#endif // _PCI_H_