TPM_STS_VALID
TPM_STS_DATA_AVAIL | TPM_STS_VALID, TPM_READ_TMO)))
if ((rv = tpm_waitfor_status(sc, TPM_STS_VALID | TPM_STS_DATA_EXPECT,
if ((rv = tpm_waitfor_status(sc, TPM_STS_VALID, TPM_READ_TMO))) {