1 /** @file 2 ACPI Watchdog Action Table (WADT) as defined at 3 Microsoft Hardware Watchdog Timers Design Specification. 4 5 Copyright (c) 2008, Intel Corporation. All rights reserved.<BR> 6 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 10 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. 13 **/ 14 15 16 #ifndef _WATCHDOG_ACTION_TABLE_H_ 17 #define _WATCHDOG_ACTION_TABLE_H_ 18 19 #include <IndustryStandard/Acpi.h> 20 21 // 22 // Ensure proper structure formats 23 // 24 #pragma pack(1) 25 /// 26 /// Watchdog Action Table definition. 27 /// 28 typedef struct { 29 EFI_ACPI_DESCRIPTION_HEADER Header; 30 UINT32 WatchdogHeaderLength; 31 UINT16 PCISegment; 32 UINT8 PCIBusNumber; 33 UINT8 PCIDeviceNumber; 34 UINT8 PCIFunctionNumber; 35 UINT8 Reserved_45[3]; 36 UINT32 TimerPeriod; 37 UINT32 MaxCount; 38 UINT32 MinCount; 39 UINT8 WatchdogFlags; 40 UINT8 Reserved_61[3]; 41 UINT32 NumberWatchdogInstructionEntries; 42 } EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE; 43 44 /// 45 /// Watchdog Instruction Entries 46 /// 47 typedef struct { 48 UINT8 WatchdogAction; 49 UINT8 InstructionFlags; 50 UINT8 Reserved_2[2]; 51 EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE RegisterRegion; 52 UINT32 Value; 53 UINT32 Mask; 54 } EFI_ACPI_WATCHDOG_ACTION_1_0_WATCHDOG_ACTION_INSTRUCTION_ENTRY; 55 56 #pragma pack() 57 58 /// 59 /// WDAT Revision (defined in spec) 60 /// 61 #define EFI_ACPI_WATCHDOG_ACTION_1_0_TABLE_REVISION 0x01 62 63 // 64 // WDAT 1.0 Flags 65 // 66 #define EFI_ACPI_WDAT_1_0_WATCHDOG_ENABLED 0x1 67 #define EFI_ACPI_WDAT_1_0_WATCHDOG_STOPPED_IN_SLEEP_STATE 0x80 68 69 // 70 // WDAT 1.0 Watchdog Actions 71 // 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 86 87 // 88 // WDAT 1.0 Watchdog Action Entry Instruction Flags 89 // 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 95 96 #endif 97