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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/secureboot/trusted/trustedboot.C $ */
/* */
/* 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 */
/**
* @file trustedboot.C
*
* @brief Trusted boot interfaces
*/
// ----------------------------------------------
// Includes
// ----------------------------------------------
#include <string.h>
#include <sys/time.h>
#include <trace/interface.H>
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <errl/errludtarget.H>
#include <errl/errludstring.H>
#include <targeting/common/targetservice.H>
#include <secureboot/trustedbootif.H>
#include "trustedboot.H"
#include "trustedTypes.H"
#include <secureboot/trustedboot_reasoncodes.H>
// ----------------------------------------------
// Trace definitions
// ----------------------------------------------
extern trace_desc_t* g_trac_trustedboot;
// Easy macro replace for unit testing
//#define TRACUCOMP(args...) TRACFCOMP(args)
#define TRACUCOMP(args...)
namespace TRUSTEDBOOT
{
extern SystemTpms systemTpms;
void* host_update_master_tpm( void *io_pArgs )
{
errlHndl_t err = NULL;
bool unlock = false;
TRACDCOMP( g_trac_trustedboot,
ENTER_MRK"host_update_master_tpm()" );
TRACUCOMP( g_trac_trustedboot,
ENTER_MRK"host_update_master_tpm()");
do
{
// Get a node Target
TARGETING::TargetService& tS = TARGETING::targetService();
TARGETING::Target* nodeTarget = NULL;
tS.getMasterNodeTarget( nodeTarget );
if (nodeTarget == NULL)
break;
// Skip this target if target is non-functional
if(!nodeTarget->getAttr<TARGETING::ATTR_HWAS_STATE>(). \
functional)
{
continue;
}
mutex_lock( &(systemTpms.tpm[TPM_MASTER_INDEX].tpmMutex) );
unlock = true;
if (!systemTpms.tpm[TPM_MASTER_INDEX].failed &&
TPMDD::tpmPresence(nodeTarget, TPMDD::TPM_PRIMARY))
{
// Initialize the TPM, this will mark it as non-functional on fail
tpmInitialize(systemTpms.tpm[TPM_MASTER_INDEX],
nodeTarget,
TPMDD::TPM_PRIMARY);
}
else
{
systemTpms.tpm[TPM_MASTER_INDEX].available = false;
}
if (systemTpms.tpm[TPM_MASTER_INDEX].failed ||
!systemTpms.tpm[TPM_MASTER_INDEX].available)
{
/// @todo RTC:134913 Switch to backup chip if backup TPM avail
// Master TPM not available
TRACFCOMP( g_trac_trustedboot,
"Master TPM Existence Fail");
/*@
* @errortype
* @reasoncode RC_TPM_EXISTENCE_FAIL
* @severity ERRL_SEV_UNRECOVERABLE
* @moduleid MOD_HOST_UPDATE_MASTER_TPM
* @userdata1 node
* @userdata2 0
* @devdesc No TPMs found in system.
*/
err = new ERRORLOG::ErrlEntry( ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_HOST_UPDATE_MASTER_TPM,
RC_TPM_EXISTENCE_FAIL,
TARGETING::get_huid(nodeTarget),
0,
true /*Add HB SW Callout*/ );
err->collectTrace( SECURE_COMP_NAME );
break;
}
// Lastly we will check on the backup TPM and see if it is enabled
// in the attributes at least
TPMDD::tpm_info_t tpmInfo;
tpmInfo.chip = TPMDD::TPM_BACKUP;
err = TPMDD::tpmReadAttributes(nodeTarget, tpmInfo);
if (NULL != err)
{
break;
}
else if (!tpmInfo.tpmEnabled)
{
TRACUCOMP( g_trac_trustedboot,
"host_update_master_tpm() tgt=0x%X "
"Marking backup TPM unavailable",
TARGETING::get_huid(nodeTarget));
systemTpms.tpm[TPM_BACKUP_INDEX].available = false;
}
} while ( 0 );
if( unlock )
{
mutex_unlock(&(systemTpms.tpm[TPM_MASTER_INDEX].tpmMutex));
}
TRACDCOMP( g_trac_trustedboot,
EXIT_MRK"host_update_master_tpm() - %s",
((NULL == err) ? "No Error" : "With Error") );
return err;
}
void tpmInitialize(TRUSTEDBOOT::TpmTarget & io_target,
TARGETING::Target* i_nodeTarget,
TPMDD::tpm_chip_types_t i_chip)
{
errlHndl_t err = NULL;
TRACDCOMP( g_trac_trustedboot,
ENTER_MRK"tpmInitialize()" );
TRACUCOMP( g_trac_trustedboot,
ENTER_MRK"tpmInitialize() tgt=0x%X chip=%d",
TARGETING::get_huid(io_target.nodeTarget),
io_target.chip);
do
{
// TPM Initialization sequence
io_target.nodeTarget = i_nodeTarget;
io_target.chip = i_chip;
io_target.initAttempted = true;
io_target.available = true;
io_target.failed = false;
// TPM_STARTUP
err = tpmCmdStartup(io_target);
if (NULL != err)
{
break;
}
// TPM_GETCAPABILITY to read FW Version
err = tpmCmdGetCapFwVersion(io_target);
if (NULL != err)
{
break;
}
} while ( 0 );
// If the TPM failed we will mark it not functional
if (NULL != err)
{
tpmMarkFailed(io_target);
// Log this failure
errlCommit(err, SECURE_COMP_ID);
}
TRACDCOMP( g_trac_trustedboot,
EXIT_MRK"tpmInitialize()");
}
void tpmMarkFailed(TRUSTEDBOOT::TpmTarget & io_target)
{
TRACFCOMP( g_trac_trustedboot,
ENTER_MRK"tpmMarkFailed() Marking TPM as failed : "
"tgt=0x%X chip=%d",
TARGETING::get_huid(io_target.nodeTarget),
io_target.chip);
io_target.failed = true;
/// @todo RTC:125287 Add fail marker to TPM log and disable TPM access
}
} // end TRUSTEDBOOT
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