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d5fad2176c
For SMM, the SMM Handlers is to validate the buffer outside MMRAM including the Primary & NonPrimary buffer. For MM, the MM Handlers do not need to validate the Primary buffer if it is passed from MmCore through the MmiHandler() parameter. Return TRUE directly in this case. But need to validate NonPrimary buffer that outside MMRAM. Signed-off-by: Jiaxin Wu <jiaxin.wu@intel.com> Cc: Jiewen Yao <jiewen.yao@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Star Zeng <star.zeng@intel.com> Cc: Hongbin1 Zhang <hongbin1.zhang@intel.com> Cc: Wei6 Xu <wei6.xu@intel.com> Cc: Dun Tan <dun.tan@intel.com> Cc: Yuanhao Xie <yuanhao.xie@intel.com>
118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/** @file
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The header file for Tcg2 SMM driver.
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Copyright (c) 2015 - 2024, 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 for the Primary Buffer validation routine.
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The Primary Buffer is the communication buffer requested from
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Communicate protocol/PPI.
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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.
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@retval FALSE This buffer is not valid.
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**/
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BOOLEAN
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Tcg2IsPrimaryBufferValid (
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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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This function is for the NonPrimary Buffer validation routine.
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The NonPrimary Buffer is the buffer which might be pointed from the
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communication buffer.
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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.
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@retval FALSE This buffer is not valid.
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**/
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BOOLEAN
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Tcg2IsNonPrimaryBufferValid (
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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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/**
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This function checks if the required DTPM instance is TPM 2.0.
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@retval TRUE The required DTPM instance is equal to gEfiTpmDeviceInstanceTpm20DtpmGuid.
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@retval FALSE The required DTPM instance is not equal to gEfiTpmDeviceInstanceTpm20DtpmGuid.
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**/
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BOOLEAN
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IsTpm20Dtpm (
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VOID
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);
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#endif // __TCG_SMM_H__
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