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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep15/host_start_stop_engine.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2019 */
/* [+] 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 */
//From Hostboot Directory
////Error handling and traces
#include <errl/errlentry.H>
#include <errl/errlmanager.H>
#include <isteps/hwpisteperror.H>
#include <initservice/isteps_trace.H>
#include <errl/errluserdetails.H>
#include <errl/errludtarget.H>
//HWP Invoker
#include <fapi2/plat_hwp_invoker.H>
////Targeting support
#include <fapi2/target.H>
#include <targeting/common/utilFilter.H>
//From Import Directory (EKB Repository)
#include <p9_pm.H>
#include <p9_pm_stop_gpe_init.H>
//Namespaces
using namespace ERRORLOG;
using namespace TARGETING;
using namespace p9pm;
using namespace fapi2;
namespace ISTEP_15
{
void* host_start_stop_engine (void *io_pArgs)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "call_host_start_stop_engine entry" );
ISTEP_ERROR::IStepError l_StepError;
errlHndl_t l_errl __attribute__((unused)) = NULL;
// Cast to void just to get around unused var warning if #ifdef's dont work
// out to actually use the l_errl variable
(void)l_errl;
do {
#ifdef CONFIG_IPLTIME_CHECKSTOP_ANALYSIS
uint64_t l_writeData;
size_t l_writeSize = sizeof(l_writeData);
TARGETING::Target* l_proc = NULL;
TARGETING::targetService().masterProcChipTargetHandle(l_proc);
l_errl = deviceRead(l_proc, &l_writeData, l_writeSize,
DEVICE_SCOM_ADDRESS(0x6C004));
if(l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_start_stop_engine: failed to read OIMR0 interrupt mask");
break;
}
#endif
//Use targeting code to get a list of all processors
TARGETING::TargetHandleList l_procChips;
getAllChips( l_procChips, TARGETING::TYPE_PROC );
for (const auto & l_procChip: l_procChips)
{
//Convert the TARGETING::Target into a fapi2::Target by passing
//l_procChip into the fapi2::Target constructor
fapi2::Target<TARGET_TYPE_PROC_CHIP>l_fapi2CpuTarget(
(l_procChip));
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Calling p9_pm_stop_gpe_init for 0x%.8X target",
TARGETING::get_huid(l_procChip) );
//call p9_pm_stop_gpe_init.C HWP
FAPI_INVOKE_HWP(l_errl,
p9_pm_stop_gpe_init,
l_fapi2CpuTarget,
PM_INIT);
if(l_errl)
{
ErrlUserDetailsTarget(l_procChip).addToLog(l_errl);
l_StepError.addErrorDetails( l_errl );
errlCommit( l_errl, HWPF_COMP_ID );
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "host_start_stop_engine:: failed on proc with HUID : %d",TARGETING::get_huid(l_procChip) );
}
}
#ifdef CONFIG_IPLTIME_CHECKSTOP_ANALYSIS
// Starting SGPE in istep15.4 causes OIMR0 register to be improperly
// reset, which breaks the xstop analysis flow during IPL. A hack
// is to write the original contents of that register back if
// the IPL checkstop flag is enabled.
l_errl = deviceWrite(l_proc, &l_writeData, l_writeSize,
DEVICE_SCOM_ADDRESS(0x6C004));
if(l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"host_start_stop_engine: failed to reset OIMR0 interrupt mask");
break;
}
#endif
}while (0);
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace, "call_host_start_stop_engine exit" );
// end task, returning any errorlogs to IStepDisp
return l_StepError.getErrorHandle();
}
};
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