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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep06/host_gard.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 <hwas/common/hwas.H>
#include <hwas/common/hwasCommon.H>
#include <hwas/common/hwas_reasoncodes.H>
#include <hwas/hwasPlat.H>
#include <hwas/common/deconfigGard.H>
#include <initservice/taskargs.H>
#include <initservice/isteps_trace.H>
#include <initservice/initserviceif.H>
#include <isteps/hwpisteperror.H>
#include <targeting/attrsync.H>
#include <targeting/namedtarget.H>
#include <sbe/sbeif.H>
#include <sbe/sbe_update.H>
// targeting support.
#include <targeting/common/utilFilter.H>
#include <targeting/common/commontargeting.H>
#include <targeting/common/entitypath.H>
#include <errl/errludtarget.H>
#include <console/consoleif.H>
// Custom compile configs
#include <config.h>
#ifdef CONFIG_DRTM
#include <secureboot/drtm.H>
#endif
#ifdef CONFIG_ENABLE_CHECKSTOP_ANALYSIS
#include <diag/attn/attn.H>
#endif
namespace ISTEP_06
{
void* host_gard( void *io_pArgs )
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_gard entry" );
errlHndl_t l_err;
ISTEP_ERROR::IStepError l_stepError;
do {
TARGETING::Target* l_pTopLevel = NULL;
TARGETING::targetService().getTopLevelTarget( l_pTopLevel );
assert(l_pTopLevel, "host_gard: no TopLevelTarget");
#ifdef CONFIG_ENABLE_CHECKSTOP_ANALYSIS
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
INFO_MRK"host_gard: invoke PRD to check for previous CS" );
l_err = ATTN::checkForCSAttentions();
if ( NULL != l_err )
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"host_gard: error from checkForCSAttentions" );
// commit and continue
errlCommit (l_err, ISTEP_COMP_ID);
}
#endif
// Check whether we're in MPIPL mode
if (l_pTopLevel->getAttr<TARGETING::ATTR_IS_MPIPL_HB>())
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"host_gard: MPIPL mode");
// we only want EX units to be processed
TARGETING::PredicateCTM l_exFilter(TARGETING::CLASS_UNIT,
TARGETING::TYPE_EX);
l_err = HWAS::collectGard(&l_exFilter);
if (l_err)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,"host_gard: "
"collectGard returned error; breaking out");
break;
}
}
else
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"host_gard: Normal IPL mode");
l_err = HWAS::collectGard();
if(l_err)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,"host_gard: "
"collectGard returned error; breaking out");
break;
}
if (l_err == NULL)
{
// check and see if we still have enough hardware to continue
l_err = HWAS::checkMinimumHardware();
if(l_err)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
ERR_MRK"host_gard: "
"check minimum hardware returned error; breaking out");
break;
}
}
// If targets are deconfigured as a result of host_gard, they are
// done so using the PLID as the reason for deconfiguration. This
// triggers the reconfigure loop attribute to be set, which causes
// undesirable behavior, so we need to reset it here:
// Read current value
TARGETING::ATTR_RECONFIGURE_LOOP_type l_reconfigAttr =
l_pTopLevel->getAttr<TARGETING::ATTR_RECONFIGURE_LOOP>();
// Turn off deconfigure bit
l_reconfigAttr &= ~TARGETING::RECONFIGURE_LOOP_DECONFIGURE;
// Write back to attribute
l_pTopLevel->setAttr<TARGETING::ATTR_RECONFIGURE_LOOP>
(l_reconfigAttr);
}
// Send message to FSP with HUID of master core
msg_t * core_msg = msg_allocate();
core_msg->type = SBE::MSG_IPL_MASTER_CORE;
const TARGETING::Target* l_masterCore = TARGETING::getMasterCore( );
/*@ errorlog tag
* @errortype ERRL_SEV_CRITICAL_SYS_TERM
* @moduleid ISTEP::MOD_HOST_GARD
* @reasoncode ISTEP::RC_MASTER_CORE_NULL
* @userdata1 0
* @userdata2 0
* @devdesc host_gard: no masterCore found
*/
if (l_masterCore == NULL)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, ERR_MRK"host_gard: "
"No masterCore Found" );
const bool hbSwError = true;
l_err = new ERRORLOG::ErrlEntry
(ERRORLOG::ERRL_SEV_CRITICAL_SYS_TERM,
ISTEP::MOD_HOST_GARD,
ISTEP::RC_MASTER_CORE_NULL,
0, 0, hbSwError);
break;
}
core_msg->data[0] = TARGETING::get_huid(l_masterCore);
core_msg->extra_data = NULL;
// TODO RTC 149318 Once HWSV is updated to take the master core
// from data[0], stop sending the EX in data[1].
// Set data[1] to 0 instead of the following.
{
// Get the EX chip associated with the master core as that is the
// chip that has the MASTER_EX attribute associated with it
TARGETING::TargetHandleList targetList;
getParentAffinityTargets(targetList,
l_masterCore,
TARGETING::CLASS_UNIT,
TARGETING::TYPE_EX);
assert(targetList.size() == 1,
"host_gard: Incorrect EX chip(s) associated with masterCore");
core_msg->data[1] = TARGETING::get_huid( targetList[0] );
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,"host_gard: "
"Sending MSG_MASTER_CORE message with EX HUID %08x",
core_msg->data[1]);
}
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,"host_gard: "
"Sending MSG_MASTER_CORE message with HUID %08x",
core_msg->data[0]);
l_err = MBOX::send(MBOX::IPL_SERVICE_QUEUE,core_msg);
if (l_err)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, ERR_MRK"host_gard: "
"MBOX::send failed sending Master Core message");
msg_free(core_msg);
break;
}
#ifdef CONFIG_DRTM
bool drtmMpipl = false;
SECUREBOOT::DRTM::isDrtmMpipl(drtmMpipl);
if(drtmMpipl)
{
l_err = SECUREBOOT::DRTM::validateDrtmHwSignature();
if(l_err)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace, ERR_MRK
"host_gard: Failed in call to validateDrtmHwSignature");
break;
}
}
#endif
} while (0);
if (l_err)
{
// Create IStep error log and cross reference occurred error
l_stepError.addErrorDetails( l_err );
// Commit Error
errlCommit (l_err, ISTEP_COMP_ID);
}
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_gard exit" );
return l_stepError.getErrorHandle();
}
};
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