mirror of https://github.com/acidanthera/audk.git
115 lines
4.9 KiB
C
115 lines
4.9 KiB
C
/** @file
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ACPI Watchdog Resource Table as defined at
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Microsoft Hardware Watchdog Timer Specification.
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Copyright (c) 2006 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#ifndef _WATCHDOG_RESOURCE_TABLE_H_
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#define _WATCHDOG_RESOURCE_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 Resource 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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EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE ControlRegisterAddress;
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EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE CountRegisterAddress;
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UINT16 PCIDeviceID;
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UINT16 PCIVendorID;
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UINT8 PCIBusNumber;
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UINT8 PCIDeviceNumber;
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UINT8 PCIFunctionNumber;
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UINT8 PCISegment;
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UINT16 MaxCount;
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UINT8 Units;
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} EFI_ACPI_WATCHDOG_RESOURCE_1_0_TABLE;
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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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UINT8 PCISegment;
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UINT8 PCIBusNumber;
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UINT8 PCIDeviceNumber;
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UINT8 PCIFunctionNumber;
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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_57[3];
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UINT32 NumberWatchdogInstructionEntries;
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} EFI_ACPI_WATCHDOG_RESOURCE_2_0_TABLE;
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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;
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UINT8 RegisterSize;
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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_RESOURCE_2_0_WATCHDOG_ACTION_INSTRUCTION_ENTRY;
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#pragma pack()
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//
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// WDRT Revision (defined in spec)
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//
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#define EFI_ACPI_WATCHDOG_RESOURCE_1_0_TABLE_REVISION 0x01
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#define EFI_ACPI_WATCHDOG_RESOURCE_2_0_TABLE_REVISION 0x02
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//
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// WDRT 1.0 Count Unit
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//
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#define EFI_ACPI_WDRT_1_0_COUNT_UNIT_1_SEC_PER_COUNT 1
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#define EFI_ACPI_WDRT_1_0_COUNT_UNIT_100_MILLISEC_PER_COUNT 2
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#define EFI_ACPI_WDRT_1_0_COUNT_UNIT_10_MILLISEC_PER_COUNT 3
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//
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// WDRT 2.0 Flags
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//
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ENABLED 0x1
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_STOPPED_IN_SLEEP_STATE 0x80
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//
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// WDRT 2.0 Watchdog Actions
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//
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_RESET 0x1
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_CURRENT_COUNTDOWN_PERIOD 0x4
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_COUNTDOWN_PERIOD 0x5
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_COUNTDOWN_PERIOD 0x6
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_RUNNING_STATE 0x8
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_RUNNING_STATE 0x9
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_STOPPED_STATE 0xA
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_STOPPED_STATE 0xB
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_REBOOT 0x10
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_REBOOT 0x11
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_SHUTDOWN 0x12
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_SHUTDOWN 0x13
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_QUERY_WATCHDOG_STATUS 0x20
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_ACTION_SET_WATCHDOG_STATUS 0x21
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//
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// WDRT 2.0 Watchdog Action Entry Instruction Flags
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//
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_INSTRUCTION_READ_VALUE 0x0
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_INSTRUCTION_READ_COUNTDOWN 0x1
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_INSTRUCTION_WRITE_VALUE 0x2
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_INSTRUCTION_WRITE_COUNTDOWN 0x3
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#define EFI_ACPI_WDRT_2_0_WATCHDOG_INSTRUCTION_PRESERVE_REGISTER 0x80
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#endif
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