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