ShellPkg/Library/UefiShellDebug1CommandsLib/Pci.h

   1 /** @file
   2   Header file for Pci shell Debug1 function.
   3
   4   Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
   5   Copyright (c) 2005 - 2017, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7
   8 **/
   9
  10 #ifndef _EFI_SHELL_PCI_H_
  11 #define _EFI_SHELL_PCI_H_
  12
  13 typedef enum {
  14   PciDevice,
  15   PciP2pBridge,
  16   PciCardBusBridge,
  17   PciUndefined
  18 } PCI_HEADER_TYPE;
  19
  20 #define INDEX_OF(Field)  ((UINT8 *) (Field) - (UINT8 *) mConfigSpace)
  21
  22 #define IS_PCIE_ENDPOINT(DevicePortType) \
  23     ((DevicePortType) == PCIE_DEVICE_PORT_TYPE_PCIE_ENDPOINT || \
  24      (DevicePortType) == PCIE_DEVICE_PORT_TYPE_LEGACY_PCIE_ENDPOINT || \
  25      (DevicePortType) == PCIE_DEVICE_PORT_TYPE_ROOT_COMPLEX_INTEGRATED_ENDPOINT)
  26
  27 #define IS_PCIE_SWITCH(DevicePortType) \
  28     ((DevicePortType == PCIE_DEVICE_PORT_TYPE_UPSTREAM_PORT) || \
  29      (DevicePortType == PCIE_DEVICE_PORT_TYPE_DOWNSTREAM_PORT))
  30
  31 #pragma pack(1)
  32 //
  33 // Data region after PCI configuration header(for cardbus bridge)
  34 //
  35 typedef struct {
  36   UINT16    SubVendorId; // Subsystem Vendor ID
  37   UINT16    SubSystemId; // Subsystem ID
  38   UINT32    LegacyBase;  // Optional 16-Bit PC Card Legacy
  39   // Mode Base Address
  40   //
  41   UINT32    Data[46];
  42 } PCI_CARDBUS_DATA;
  43
  44 typedef union {
  45   PCI_DEVICE_HEADER_TYPE_REGION    Device;
  46   PCI_BRIDGE_CONTROL_REGISTER      Bridge;
  47   PCI_CARDBUS_CONTROL_REGISTER     CardBus;
  48 } NON_COMMON_UNION;
  49
  50 typedef struct {
  51   PCI_DEVICE_INDEPENDENT_REGION    Common;
  52   NON_COMMON_UNION                 NonCommon;
  53   UINT32                           Data[48];
  54 } PCI_CONFIG_SPACE;
  55
  56 #pragma pack()
  57
  58 #endif // _PCI_H_