Tpm2InstanceLibDTpm.c

Go to the documentation of this file.

 
#include <Library/BaseLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/DebugLib.h>
#include <Library/Tpm2DeviceLib.h>
#include <Library/PcdLib.h>
 
#include <Guid/TpmInstance.h>
 
#include "Tpm2DeviceLibDTpm.h"
 
VOID
DumpPtpInfo (
  IN VOID  *Register
  );
 
EFI_STATUS
EFIAPI
DTpm2SubmitCommand (
  IN UINT32      InputParameterBlockSize,
  IN UINT8       *InputParameterBlock,
  IN OUT UINT32  *OutputParameterBlockSize,
  IN UINT8       *OutputParameterBlock
  );
 
EFI_STATUS
EFIAPI
DTpm2RequestUseTpm (
  VOID
  );
 
TPM2_DEVICE_INTERFACE  mDTpm2InternalTpm2Device = {
  TPM_DEVICE_INTERFACE_TPM20_DTPM,
  DTpm2SubmitCommand,
  DTpm2RequestUseTpm,
};
 
EFI_STATUS
EFIAPI
Tpm2InstanceLibDTpmConstructor (
  VOID
  )
{
  EFI_STATUS  Status;
 
  Status = Tpm2RegisterTpm2DeviceLib (&mDTpm2InternalTpm2Device);
  if ((Status == EFI_SUCCESS) || (Status == EFI_UNSUPPORTED)) {
    //
    // Unsupported means platform policy does not need this instance enabled.
    //
    if (Status == EFI_SUCCESS) {
      Status = InternalTpm2DeviceLibDTpmCommonConstructor ();
      DumpPtpInfo ((VOID *)(UINTN)PcdGet64 (PcdTpmBaseAddress));
    }
 
    return EFI_SUCCESS;
  }
 
  return Status;
}