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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep18/smp_unfencing_inter_enclosure_abus_links.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2012,2019 */
/* [+] 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 */
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <map>
#include <trace/interface.H>
#include <initservice/taskargs.H>
#include <errl/errlentry.H>
#include <errl/errludtarget.H>
#include <initservice/isteps_trace.H>
#include <hwas/common/deconfigGard.H>
#include <hwas/common/hwasCommon.H>
#include <sbe/sbeif.H>
//HWP
#include <p9_fab_iovalid.H>
// targeting support
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/trace.H>
// fapi support
#include <fapi2.H>
#include <fapi2/plat_hwp_invoker.H>
#include <isteps/hwpf_reasoncodes.H>
#include <isteps/hwpisteperror.H>
#include <vector>
#include "smp_unfencing_inter_enclosure_abus_links.H"
namespace EDI_EI_INITIALIZATION
{
using namespace ISTEP;
using namespace ISTEP_ERROR;
using namespace ERRORLOG;
using namespace TARGETING;
using namespace fapi;
using namespace HWAS;
/*
*
* brief function to check if peer target is present.
*
* returns true if peer is present, else false
*
*/
bool isPeerPresent(TARGETING::TargetHandle_t i_targetPtr)
{
bool l_flag = false;
do
{
if( NULL == i_targetPtr)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:ERR: Null input target");
break;
}
EntityPath l_peerPath;
bool l_exists = i_targetPtr->tryGetAttr<ATTR_PEER_PATH>(l_peerPath);
if( false == l_exists)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:ERR: Failed to get ATTR_PEER_PATH for "
"target HUID:0x%08x", get_huid(i_targetPtr));
break;
}
EntityPath::PathElement l_pa = l_peerPath.pathElementOfType(TYPE_NODE);
if(l_pa.type == TYPE_NA)
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:ERR: Cannot find Node into in peer path: "
"[%s],target HUID:0x%08x", l_peerPath.toString(),
get_huid(i_targetPtr));
break;
}
TARGETING::Target * sys = NULL;
TARGETING::targetService().getTopLevelTarget( sys );
assert(sys != NULL, "isPeerPresent system target is NULL");
TARGETING::ATTR_HB_EXISTING_IMAGE_type hb_images;
l_exists =
sys->tryGetAttr<TARGETING::ATTR_HB_EXISTING_IMAGE>(hb_images);
if( false == l_exists )
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:ERR: Failed to get "
"ATTR_HB_EXISTING_IMAGE "
"for system target. Input target HUID:0x%08x",
get_huid(i_targetPtr));
break;
}
// ATTR_HB_EXISTING_IMAGE only gets set on a multi-drawer system.
// Currently set up in host_sys_fab_iovalid_processing() which only
// gets called if there are multiple physical nodes. It eventually
// needs to be setup by a hb routine that snoops for multiple nodes.
if(hb_images == 0)
{
// Single node system
break;
}
// continue - multi-node
uint8_t node_map[8];
l_exists =
sys->tryGetAttr<TARGETING::ATTR_FABRIC_TO_PHYSICAL_NODE_MAP>(node_map);
if( false == l_exists )
{
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:ERR: Failed to get "
"ATTR_FABRIC_TO_PHYSICAL_NODE_MAP "
"for system target. Input target HUID:0x%08x",
get_huid(i_targetPtr));
break;
}
if(l_pa.instance < (sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8))
{
// set mask
TARGETING::ATTR_HB_EXISTING_IMAGE_type mask = 0x1 <<
((sizeof(TARGETING::ATTR_HB_EXISTING_IMAGE_type) * 8) -1);
if( 0 != ((mask >> l_pa.instance) & hb_images ) )
{
l_flag = true;
}
}
}while(0);
TRACFCOMP(ISTEPS_TRACE::g_trac_isteps_trace,
"isPeerPresent:[%d], HUID:0x%08x",l_flag,get_huid(i_targetPtr));
return l_flag;
}
//
// function to unfence inter-enclosure abus links
//
errlHndl_t smp_unfencing_inter_enclosure_abus_links()
{
errlHndl_t l_errl = NULL;
std::vector<fapi2::ReturnCode> l_fapiRcs;
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"smp_unfencing_inter_enclosure_abus_links entry" );
// Get all chip/chiplet targets
TARGETING::TargetHandleList l_cpuTargetList;
getAllChips(l_cpuTargetList, TYPE_PROC);
// Loop through all processors including master
for (const auto & l_cpu_target: l_cpuTargetList)
{
const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP>l_fapi2_proc_target(
l_cpu_target);
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Running p9_fab_iovalid HWP on processor target %.8X",
TARGETING::get_huid(l_cpu_target) );
// Note:
// When this HWP gets run under HB, it should only train X PHYS, not Os.
// The HWP shouldn't fill anydata into vector l_fapiRcs for X's,
// only for O's that could be used to trigger a reconfig loop in FSP.
// Therefore, we ignore the check for l_fapiRcs here.
FAPI_INVOKE_HWP(l_errl, p9_fab_iovalid, l_fapi2_proc_target,
true, true, false, l_fapiRcs);
if(l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"ERROR 0x%.8X : p9_fab_iovalid "
"HWP returns error for HUID %.8X",
l_errl->reasonCode(),
TARGETING::get_huid(l_cpu_target) );
// capture the target data in the elog
ErrlUserDetailsTarget(l_cpu_target).addToLog( l_errl );
errlCommit(l_errl, HWPF_COMP_ID);
l_errl = NULL;
}
} // end of going through all processors//
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"smp_unfencing_inter_enclosure_abus_links exit" );
return l_errl;
}
}; // end namespace
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