2 ACPI Watchdog Action Table (WADT) as defined at
3 Microsoft Hardware Watchdog Timers Design Specification.
5 Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
6 SPDX-License-Identifier: BSD-2-Clause-Patent
10 #ifndef _WATCHDOG_ACTION_TABLE_H_
11 #define _WATCHDOG_ACTION_TABLE_H_
13 #include <IndustryStandard/Acpi.h>
16 // Ensure proper structure formats
20 /// Watchdog Action Table definition.
23 EFI_ACPI_DESCRIPTION_HEADER Header
;
24 UINT32 WatchdogHeaderLength
;
27 UINT8 PCIDeviceNumber
;
28 UINT8 PCIFunctionNumber
;
35 UINT32 NumberWatchdogInstructionEntries
;
36 } EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE
;
39 /// Watchdog Instruction Entries
43 UINT8 InstructionFlags
;
45 EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE RegisterRegion
;
48 } EFI_ACPI_WATCHDOG_ACTION_1_0_WATCHDOG_ACTION_INSTRUCTION_ENTRY
;
53 /// WDAT Revision (defined in spec)
55 #define EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE_REVISION 0x01
60 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ENABLED 0x1
61 #define EFI_ACPI_WDAT_1_0_WATCHDOG_STOPPED_IN_SLEEP_STATE 0x80
64 // WDAT 1.0 Watchdog Actions
66 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_RESET 0x1
67 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_CURRENT_COUNTDOWN_PERIOD 0x4
68 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_COUNTDOWN_PERIOD 0x5
69 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_COUNTDOWN_PERIOD 0x6
70 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_RUNNING_STATE 0x8
71 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_RUNNING_STATE 0x9
72 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_STOPPED_STATE 0xA
73 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_STOPPED_STATE 0xB
74 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_REBOOT 0x10
75 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_REBOOT 0x11
76 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_SHUTDOWN 0x12
77 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_SHUTDOWN 0x13
78 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_WATCHDOG_STATUS 0x20
79 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_WATCHDOG_STATUS 0x21
82 // WDAT 1.0 Watchdog Action Entry Instruction Flags
84 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_VALUE 0x0
85 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_COUNTDOWN 0x1
86 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_VALUE 0x2
87 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN 0x3
88 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_PRESERVE_REGISTER 0x80