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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep10/sensor_based_bifurcation.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2018 */
/* [+] 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 */
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <fapi2/target.H>
#include <targeting/targplatutil.H>
#include "ipmi/ipmisensor.H"
#include <trace/interface.H>
#include <initservice/taskargs.H>
#include <errl/errlentry.H>
#include <isteps/hwpisteperror.H>
#include <errl/errludtarget.H>
#include <initservice/isteps_trace.H>
#include <initservice/initserviceif.H>
namespace ISTEP_10
{
errlHndl_t _queryIopsToBifurcateAndPhbsToDisable(
TARGETING::ConstTargetHandle_t const i_pecTarget,
bool& o_iopBifurcate,
TARGETING::ATTR_PROC_PCIE_PHB_ACTIVE_type& o_disabledPhbsMask)
{
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
ENTER_MRK "_queryIopsToBifurcateAndPhbsToDisable: PEC target "
"HUID = 0x%08X.", i_pecTarget ?
i_pecTarget->getAttr<TARGETING::ATTR_HUID>() : 0);
errlHndl_t pError = NULL;
o_iopBifurcate = false;
o_disabledPhbsMask = 0;
// In order to match the original template, I keep the do-while
// which is unnecessary.
do {
TARGETING::ATTR_PEC_PCIE_LANE_MASK_BIFURCATED_type laneMaskBifurcated = {0};
assert(i_pecTarget->tryGetAttr<
TARGETING::ATTR_PEC_PCIE_LANE_MASK_BIFURCATED>(
laneMaskBifurcated),"Failed to get "
"ATTR_PEC_PCIE_LANE_MASK_BIFURCATED attribute");
if (laneMaskBifurcated[0] || laneMaskBifurcated[1] || laneMaskBifurcated[2]
|| laneMaskBifurcated[3]) {
TARGETING::Target* sys = nullptr;
TARGETING::targetService().getTopLevelTarget(sys);
assert(sys != nullptr);
uint32_t sensorNum = TARGETING::UTIL::getSensorNumber(sys,
TARGETING::SENSOR_NAME_PCI_BIFURCATED);
if (sensorNum != 0xFF)
{
SENSOR::getSensorReadingData bifurcatedData;
SENSOR::SensorBase bifurcatedSensor(
TARGETING::SENSOR_NAME_BIFURCATED, sys);
pError = bifurcatedSensor.readSensorData(bifurcatedData);
if (NULL == pError) {
if ((bifurcatedData.event_status & 0x02) == 0x02) {
o_iopBifurcate = true;
}
}
else
{
errlCommit(pError, ISTEP_COMP_ID);
}
}
}
// Extension point to return bifurcated IOPs and PHBs to disable.
// Assuming no extensions are added, the function returns no IOPs to
// bifurcate and no PHBs to disable
// If implemented, this function should only return error on software code
// bug. Any other condition should result in IOPs not being bifurcated and
// host taking care of that condition.
} while(0);
TRACDCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
EXIT_MRK "_queryIopsToBifurcateAndPhbsToDisable: EID = 0x%08X, "
"PLID = 0x%08X, RC = 0x%08X.",
ERRL_GETEID_SAFE(pError),ERRL_GETPLID_SAFE(pError),
ERRL_GETRC_SAFE(pError));
return pError;
}
};
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