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54 lines
1.7 KiB
C
54 lines
1.7 KiB
C
/** @file
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TPM2 ACPI table definition.
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Copyright (c) 2013 - 2019, 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 _TPM2_ACPI_H_
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#define _TPM2_ACPI_H_
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#include <IndustryStandard/Acpi.h>
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#pragma pack (1)
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#define EFI_TPM2_ACPI_TABLE_REVISION_3 3
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#define EFI_TPM2_ACPI_TABLE_REVISION_4 4
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#define EFI_TPM2_ACPI_TABLE_REVISION EFI_TPM2_ACPI_TABLE_REVISION_4
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typedef struct {
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EFI_ACPI_DESCRIPTION_HEADER Header;
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// Flags field is replaced in version 4 and above
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// BIT0~15: PlatformClass This field is only valid for version 4 and above
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// BIT16~31: Reserved
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UINT32 Flags;
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UINT64 AddressOfControlArea;
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UINT32 StartMethod;
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//UINT8 PlatformSpecificParameters[]; // size up to 12
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//UINT32 Laml; // Optional
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//UINT32 Lasa; // Optional
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} EFI_TPM2_ACPI_TABLE;
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#define EFI_TPM2_ACPI_TABLE_START_METHOD_ACPI 2
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#define EFI_TPM2_ACPI_TABLE_START_METHOD_TIS 6
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#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE 7
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#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_ACPI 8
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#define EFI_TPM2_ACPI_TABLE_START_METHOD_COMMAND_RESPONSE_BUFFER_INTERFACE_WITH_SMC 11
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typedef struct {
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UINT32 Reserved;
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UINT32 Error;
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UINT32 Cancel;
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UINT32 Start;
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UINT64 InterruptControl;
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UINT32 CommandSize;
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UINT64 Command;
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UINT32 ResponseSize;
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UINT64 Response;
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} EFI_TPM2_ACPI_CONTROL_AREA;
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#pragma pack ()
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#endif
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