Tpm2DeviceLibDTpmStandaloneMm.c

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#include <Library/Tpm2DeviceLib.h>
 
#include "Tpm2DeviceLibDTpm.h"
 
TPM2_PTP_INTERFACE_TYPE  mActiveTpmInterfaceType;
UINT8                    mCRBIdleByPass;
 
UINT8
GetCachedIdleByPass (
  VOID
  )
{
  return mCRBIdleByPass;
}
 
TPM2_PTP_INTERFACE_TYPE
GetCachedPtpInterface (
  VOID
  )
{
  return mActiveTpmInterfaceType;
}
 
EFI_STATUS
InternalTpm2DeviceLibDTpmCommonConstructor (
  VOID
  )
{
  mActiveTpmInterfaceType = 0xFF;
  mCRBIdleByPass          = 0xFF;
 
  //
  // Always cache current active TpmInterfaceType for StandaloneMm implementation
  //
  mActiveTpmInterfaceType = Tpm2GetPtpInterface ((VOID *)(UINTN)PcdGet64 (PcdTpmBaseAddress));
 
  if (mActiveTpmInterfaceType == Tpm2PtpInterfaceCrb) {
    mCRBIdleByPass = Tpm2GetIdleByPass ((VOID *)(UINTN)PcdGet64 (PcdTpmBaseAddress));
  }
 
  return EFI_SUCCESS;
}