mirror of https://github.com/acidanthera/audk.git
88 lines
2.2 KiB
C
88 lines
2.2 KiB
C
/** @file
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The header file for Tcg2 SMM driver.
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Copyright (c) 2015 - 2018, Intel Corporation. All rights reserved.<BR>
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Copyright (c) Microsoft Corporation.
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __TCG2_SMM_H__
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#define __TCG2_SMM_H__
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#include <PiMm.h>
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#include <Guid/MemoryOverwriteControl.h>
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#include <Guid/TpmInstance.h>
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#include <Guid/TpmNvsMm.h>
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#include <Protocol/MmReadyToLock.h>
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#include <Protocol/SmmSwDispatch2.h>
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#include <Protocol/AcpiTable.h>
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#include <Protocol/SmmVariable.h>
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#include <Protocol/Tcg2Protocol.h>
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#include <Library/BaseLib.h>
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#include <Library/BaseMemoryLib.h>
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#include <Library/DebugLib.h>
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#include <Library/MmServicesTableLib.h>
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#include <Library/Tpm2CommandLib.h>
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#include <Library/Tcg2PhysicalPresenceLib.h>
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#include <Library/IoLib.h>
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#include <Library/PcdLib.h>
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#include <Library/Tpm2DeviceLib.h>
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#include <IndustryStandard/TpmPtp.h>
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//
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// The definition for TCG MOR
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//
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#define ACPI_FUNCTION_DSM_MEMORY_CLEAR_INTERFACE 1
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#define ACPI_FUNCTION_PTS_CLEAR_MOR_BIT 2
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//
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// The return code for Memory Clear Interface Functions
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//
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#define MOR_REQUEST_SUCCESS 0
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#define MOR_REQUEST_GENERAL_FAILURE 1
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/**
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Notify the system that the SMM variable driver is ready.
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**/
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VOID
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Tcg2NotifyMmReady (
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VOID
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);
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/**
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This function is an abstraction layer for implementation specific Mm buffer validation routine.
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@param Buffer The buffer start address to be checked.
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@param Length The buffer length to be checked.
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@retval TRUE This buffer is valid per processor architecture and not overlap with SMRAM.
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@retval FALSE This buffer is not valid per processor architecture or overlap with SMRAM.
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**/
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BOOLEAN
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IsBufferOutsideMmValid (
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IN EFI_PHYSICAL_ADDRESS Buffer,
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IN UINT64 Length
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);
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/**
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The driver's common initialization routine.
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It install callbacks for TPM physical presence and MemoryClear, and locate
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SMM variable to be used in the callback function.
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@retval EFI_SUCCESS The entry point is executed successfully.
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@retval Others Some error occurs when executing this entry point.
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**/
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EFI_STATUS
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InitializeTcgCommon (
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VOID
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);
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#endif // __TCG_SMM_H__
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