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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/include/usr/i2c/tpmddif.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
#ifndef __TPMDDIF_H
#define __TPMDDIF_H
namespace TPMDD
{
/**
* @brief Enumerations to select TPM
*/
enum tpm_chip_types_t
{
TPM_PRIMARY = 0,
TPM_BACKUP = 1,
LAST_CHIP_TYPE,
FIRST_CHIP_TYPE = TPM_PRIMARY
};
/**
* @brief TPM Operation to perform
*/
enum tpm_op_types_t
{
TPM_OP_READVENDORID = 0, ///< Read Vendor/Dev ID from device, max 4 bytes
TPM_OP_TRANSMIT = 1, ///< Transmit/Receive command block to TPM
TPM_OP_LASTOP,
TPM_OP_FIRSTOP = TPM_OP_READVENDORID
};
/**
*
* @brief Determine if targeted TPM is present and enabled in the system
*
* @param[in] i_target Target node
*
* @param[in] i_chip Select primary vs secondary TPM
*
* @return true if device is present
*/
bool tpmPresence ( TARGETING::Target * i_target,
tpm_chip_types_t i_chip );
}; // end namespace TPMDD
#endif // end __TPMDDIF_H
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