MdePkg/Include/IndustryStandard/WatchdogResourceTable.h

   1 /** @file
   2   ACPI Watchdog Resource Table (WDRT) as defined at
   3   Microsoft Windows Hardware Developer Central.
   4
   5   Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
   6   SPDX-License-Identifier: BSD-2-Clause-Patent
   7 **/
   8
   9 #ifndef _WATCHDOG_RESOURCE_TABLE_H_
  10 #define _WATCHDOG_RESOURCE_TABLE_H_
  11
  12 #include <IndustryStandard/Acpi.h>
  13
  14 //
  15 // Ensure proper structure formats
  16 //
  17 #pragma pack(1)
  18
  19 ///
  20 /// Watchdog Resource Table definition.
  21 ///
  22 typedef struct {
  23   EFI_ACPI_DESCRIPTION_HEADER             Header;
  24   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE  ControlRegisterAddress;
  25   EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE  CountRegisterAddress;
  26   UINT16                                  PCIDeviceID;
  27   UINT16                                  PCIVendorID;
  28   UINT8                                   PCIBusNumber;
  29   UINT8                                   PCIDeviceNumber;
  30   UINT8                                   PCIFunctionNumber;
  31   UINT8                                   PCISegment;
  32   UINT16                                  MaxCount;
  33   UINT8                                   Units;
  34 } EFI_ACPI_WATCHDOG_RESOURCE_1_0_TABLE;
  35
  36 #pragma pack()
  37
  38 //
  39 // WDRT Revision (defined in spec)
  40 //
  41 #define EFI_ACPI_WATCHDOG_RESOURCE_1_0_TABLE_REVISION  0x01
  42
  43 //
  44 // WDRT 1.0 Count Unit
  45 //
  46 #define EFI_ACPI_WDRT_1_0_COUNT_UNIT_1_SEC_PER_COUNT        1
  47 #define EFI_ACPI_WDRT_1_0_COUNT_UNIT_100_MILLISEC_PER_COUNT 2
  48 #define EFI_ACPI_WDRT_1_0_COUNT_UNIT_10_MILLISEC_PER_COUNT  3
  49
  50 #endif