mirror of https://github.com/acidanthera/audk.git
95 lines
3.0 KiB
C
95 lines
3.0 KiB
C
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/*++
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Copyright (c) 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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Module Name:
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WatchdogDescriptionTable.h
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Abstract:
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ACPI Watchdog Description Table as defined in Intel
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ICH Family Watchdog Timer (WDT) Application Note (AP-725)
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--*/
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#ifndef _WATCH_DOG_DESCRIPTION_TABLE_H_
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#define _WATCH_DOG_DESCRIPTION_TABLE_H_
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//
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// Include files
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//
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#include "Acpi2_0.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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// WDDT structure
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//
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header;
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UINT16 SpecVersion;
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UINT16 TableVersion;
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UINT16 Vid;
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EFI_ACPI_2_0_GENERIC_ADDRESS_STRUCTURE BaseAddress;
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UINT16 TimerMaxCount;
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UINT16 TimerMinCount;
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UINT16 TimerCountPeriod;
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UINT16 Status;
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UINT16 Capability;
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} EFI_ACPI_1_0_WATCH_DOG_DESCRIPTION_TABLE;
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//
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// "WDDT" Watchdog Description Table signatures
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//
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#define EFI_ACPI_1_0_WDDT_SIGNATURE 0x54444457
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#pragma pack()
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//
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// WDDT Revision
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//
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#define EFI_ACPI_WATCHDOG_DESCRIPTION_1_0_TABLE_REVISION 0x01
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//
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// WDDT Spec Version
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//
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#define EFI_ACPI_WDDT_SPEC_1_0_VERSION 0x01
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//
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// WDDT Description Table Version
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//
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#define EFI_ACPI_WDDT_TABLE_1_0_VERSION 0x01
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//
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// WDT Status
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//
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#define EFI_ACPI_WDDT_STATUS_AVAILABLE 0x0001
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#define EFI_ACPI_WDDT_STATUS_ACTIVE 0x0002
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#define EFI_ACPI_WDDT_STATUS_OWNED_BY_BIOS 0x0000
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#define EFI_ACPI_WDDT_STATUS_OWNED_BY_OS 0x0004
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#define EFI_ACPI_WDDT_STATUS_USER_RESET_EVENT 0x0800
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#define EFI_ACPI_WDDT_STATUS_WDT_EVENT 0x1000
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#define EFI_ACPI_WDDT_STATUS_POWER_FAIL_EVENT 0x2000
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#define EFI_ACPI_WDDT_STATUS_UNKNOWN_RESET_EVENT 0x4000
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//
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// WDT Capability
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//
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#define EFI_ACPI_WDDT_CAPABILITY_AUTO_RESET 0x0001
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#define EFI_ACPI_WDDT_CAPABILITY_ALERT_SUPPORT 0x0002
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#define EFI_ACPI_WDDT_CAPABILITY_PLATFORM_SHUTDOWN 0x0004
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#define EFI_ACPI_WDDT_CAPABILITY_IMMEDIATE_SHUTDOWN 0x0008
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#define EFI_ACPI_WDDT_CAPABILITY_BIOS_HANDOFF_SUPPORT 0x0010
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#endif
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