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/** @file
ACPI Watchdog Action Table (WADT) as defined at
Microsoft Hardware Watchdog Timers Design Specification.
Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
#ifndef _WATCHDOG_ACTION_TABLE_H_
#define _WATCHDOG_ACTION_TABLE_H_
#include <IndustryStandard/Acpi.h>
//
// Ensure proper structure formats
//
#pragma pack(1)
///
/// Watchdog Action Table definition.
///
typedef struct {
EFI_ACPI_DESCRIPTION_HEADER Header;
UINT32 WatchdogHeaderLength;
UINT16 PCISegment;
UINT8 PCIBusNumber;
UINT8 PCIDeviceNumber;
UINT8 PCIFunctionNumber;
UINT8 Reserved_45[3];
UINT32 TimerPeriod;
UINT32 MaxCount;
UINT32 MinCount;
UINT8 WatchdogFlags;
UINT8 Reserved_61[3];
UINT32 NumberWatchdogInstructionEntries;
} EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE;
///
/// Watchdog Instruction Entries
///
typedef struct {
UINT8 WatchdogAction;
UINT8 InstructionFlags;
UINT8 Reserved_2[2];
EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE RegisterRegion;
UINT32 Value;
UINT32 Mask;
} EFI_ACPI_WATCHDOG_ACTION_1_0_WATCHDOG_ACTION_INSTRUCTION_ENTRY;
#pragma pack()
///
/// WDAT Revision (defined in spec)
///
#define EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE_REVISION 0x01
//
// WDAT 1.0 Flags
//
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ENABLED 0x1
#define EFI_ACPI_WDAT_1_0_WATCHDOG_STOPPED_IN_SLEEP_STATE 0x80
//
// WDAT 1.0 Watchdog Actions
//
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_RESET 0x1
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_CURRENT_COUNTDOWN_PERIOD 0x4
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_COUNTDOWN_PERIOD 0x5
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_COUNTDOWN_PERIOD 0x6
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_RUNNING_STATE 0x8
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_RUNNING_STATE 0x9
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_STOPPED_STATE 0xA
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_STOPPED_STATE 0xB
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_REBOOT 0x10
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_REBOOT 0x11
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_SHUTDOWN 0x12
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_SHUTDOWN 0x13
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_WATCHDOG_STATUS 0x20
#define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_WATCHDOG_STATUS 0x21
//
// WDAT 1.0 Watchdog Action Entry Instruction Flags
//
#define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_VALUE 0x0
#define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_COUNTDOWN 0x1
#define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_VALUE 0x2
#define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN 0x3
#define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_PRESERVE_REGISTER 0x80
#endif
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