2 ACPI Watchdog Action Table (WADT) as defined at
3 Microsoft Hardware Watchdog Timers Design Specification.
5 Copyright (c) 2008, Intel Corporation
6 All rights reserved. This program and the accompanying materials
7 are licensed and made available under the terms and conditions of the BSD License
8 which accompanies this distribution. The full text of the license may be found at
9 http://opensource.org/licenses/bsd-license.php
11 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
12 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
16 #ifndef _WATCHDOG_ACTION_TABLE_H_
17 #define _WATCHDOG_ACTION_TABLE_H_
19 #include <IndustryStandard/Acpi.h>
22 // Ensure proper structure formats
26 /// Watchdog Action Table definition.
29 EFI_ACPI_DESCRIPTION_HEADER Header
;
30 UINT32 WatchdogHeaderLength
;
33 UINT8 PCIDeviceNumber
;
34 UINT8 PCIFunctionNumber
;
41 UINT32 NumberWatchdogInstructionEntries
;
42 } EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE
;
45 /// Watchdog Instruction Entries
49 UINT8 InstructionFlags
;
51 EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE RegisterRegion
;
54 } EFI_ACPI_WATCHDOG_ACTION_1_0_WATCHDOG_ACTION_INSTRUCTION_ENTRY
;
59 /// WDAT Revision (defined in spec)
61 #define EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE_REVISION 0x01
66 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ENABLED 0x1
67 #define EFI_ACPI_WDAT_1_0_WATCHDOG_STOPPED_IN_SLEEP_STATE 0x80
70 // WDAT 1.0 Watchdog Actions
72 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_RESET 0x1
73 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_CURRENT_COUNTDOWN_PERIOD 0x4
74 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_COUNTDOWN_PERIOD 0x5
75 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_COUNTDOWN_PERIOD 0x6
76 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_RUNNING_STATE 0x8
77 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_RUNNING_STATE 0x9
78 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_STOPPED_STATE 0xA
79 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_STOPPED_STATE 0xB
80 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_REBOOT 0x10
81 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_REBOOT 0x11
82 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_SHUTDOWN 0x12
83 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_SHUTDOWN 0x13
84 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_QUERY_WATCHDOG_STATUS 0x20
85 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ACTION_SET_WATCHDOG_STATUS 0x21
88 // WDAT 1.0 Watchdog Action Entry Instruction Flags
90 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_VALUE 0x0
91 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_READ_COUNTDOWN 0x1
92 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_VALUE 0x2
93 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN 0x3
94 #define EFI_ACPI_WDAT_1_0_WATCHDOG_INSTRUCTION_PRESERVE_REGISTER 0x80