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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep10/call_host_update_redundant_tpm.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] 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 */
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <isteps/istep_reasoncodes.H>
// targeting support
#include <targeting/common/target.H>
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include <errl/errludtarget.H>
#include <attributetraits.H>
#include <config.h>
#include <util/align.H>
#include <util/algorithm.H>
// Fapi Support
#include <fapi2.H>
#include <target_types.H>
#include <plat_hwp_invoker.H>
#include <attributeenums.H>
#include <istepHelperFuncs.H>
// HWP
#include <p9_update_security_ctrl.H>
// secure boot
#include <secureboot/service.H>
namespace ISTEP_10
{
void* call_host_update_redundant_tpm (void *io_pArgs)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
ENTER_MRK"call_host_update_redundant_tpm");
errlHndl_t err = nullptr;
// Before update procedure, trace security settings
err = SECUREBOOT::traceSecuritySettings();
if (err)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_host_update_redundant_tpm: Error back from "
"SECUREBOOT::traceSecuritySettings: rc=0x%X, plid=0x%X",
ERRL_GETRC_SAFE(err), ERRL_GETPLID_SAFE(err));
// Commit log, but continue
ERRORLOG::errlCommit( err, SECURE_COMP_ID );
}
// Start of update procedure
#ifdef CONFIG_SECUREBOOT
do {
bool l_force = false;
if (!SECUREBOOT::enabled() && !l_force)
{
break;
}
// call p9_update_security_ctrl.C HWP
TARGETING::TargetHandleList l_procList;
getAllChips(l_procList,TARGETING::TYPE_PROC,true);
TARGETING::TargetHandleList l_tpmList;
getAllChips(l_tpmList,TARGETING::TYPE_TPM,false);
// for each processor in list
for(auto pProc : l_procList)
{
bool l_notInMrw = true;
TARGETING::Target* l_tpm = nullptr;
// check if processor has a TPM according to the mrw
// for each TPM in the list compare i2c master path with
// the path of the current processor
for (auto itpm : l_tpmList)
{
auto l_physPath = pProc->getAttr<TARGETING::ATTR_PHYS_PATH>();
auto l_tpmInfo = itpm->getAttr<TARGETING::ATTR_TPM_INFO>();
if (l_tpmInfo.i2cMasterPath == l_physPath)
{
l_notInMrw = false;
l_tpm = itpm;
break;
}
}
if (l_notInMrw)
{
uint8_t l_protectTpm = 1;
pProc->setAttr<TARGETING::ATTR_SECUREBOOT_PROTECT_DECONFIGURED_TPM
>(l_protectTpm);
}
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP> l_fapiTarg(pProc);
FAPI_INVOKE_HWP(err, p9_update_security_ctrl, l_fapiTarg);
if (err)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"call_host_update_redundant_tpm - "
"p9_update_security_ctrl failed for processor tgt=0x%X, "
"TPM tgt=0x%X. Deconfiguring processor because future "
"security cannot be guaranteed.",
TARGETING::get_huid(pProc),
TARGETING::get_huid(l_tpm));
// save the plid from the error before commiting
auto plid = err->plid();
ERRORLOG::ErrlUserDetailsTarget(pProc).addToLog(err);
// commit this error log first before creating the new one
ERRORLOG::errlCommit(err, ISTEP_COMP_ID);
/*@
* @errortype
* @reasoncode ISTEP::RC_UPDATE_SECURITY_CTRL_HWP_FAIL
* @moduleid ISTEP::MOD_UPDATE_REDUNDANT_TPM
* @severity ERRL_SEV_UNRECOVERABLE
* @userdata1 Processor Target
* @userdata2 TPM Target
* @devdesc Failed to set SEEPROM lock and/or TPM deconfig
* protection for this processor, so we cannot
* guarrantee platform secuirty for this processor
* @custdesc Platform security problem detected
*/
err = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
ISTEP::MOD_UPDATE_REDUNDANT_TPM,
ISTEP::RC_UPDATE_SECURITY_CTRL_HWP_FAIL,
TARGETING::get_huid(pProc),
TARGETING::get_huid(l_tpm),
true);
err->addHwCallout(pProc,
HWAS::SRCI_PRIORITY_LOW,
HWAS::DELAYED_DECONFIG,
HWAS::GARD_NULL);
err->collectTrace(ISTEP_COMP_NAME);
// pass on the plid from the previous error log to the new one
err->plid(plid);
ERRORLOG::ErrlUserDetailsTarget(pProc).addToLog(err);
ERRORLOG::errlCommit(err, ISTEP_COMP_ID);
// we don't break here. we need to continue on to the next
// processor and run the HWP on that one
}
}
} while(0);
#endif // CONFIG_SECUREBOOT
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
EXIT_MRK"call_host_update_redundant_tpm");
return nullptr;
}
};
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