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51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
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/** @file
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ACPI Watchdog Resource Table (WDRT) as defined at
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Microsoft Windows Hardware Developer Central.
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Copyright (c) 2006 - 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_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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#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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//
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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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#endif
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