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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/isteps/istep09/call_fabric_io_run_training.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2016 */
/* [+] 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 */
/**
* @file call_fabric_io_run_training.C
*
* Support file for IStep: edi_ei_initialization
* EDI, EI Initialization
*
* HWP_IGNORE_VERSION_CHECK
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
#include <stdint.h>
#include <map>
#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 <hwas/common/deconfigGard.H>
#include <hwas/common/hwasCommon.H>
#include <sbe/sbeif.H>
// targeting support
#include <targeting/common/attributes.H>
#include <targeting/common/targetservice.H>
#include <targeting/common/commontargeting.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/trace.H>
#include <pbusLinkSvc.H>
#include <fapi2/target.H>
#include <fapi2/plat_hwp_invoker.H>
// HWP
#include <p9_io_xbus_linktrain.H>
namespace ISTEP_09
{
using namespace ISTEP;
using namespace ISTEP_ERROR;
using namespace ERRORLOG;
using namespace TARGETING;
using namespace HWAS;
// helper function prototypes
uint8_t run_linktraining(
const fapi2::Target<fapi2::TARGET_TYPE_XBUS> &i_master_target,
const fapi2::Target<fapi2::TARGET_TYPE_XBUS> &i_slave_target,
ISTEP_ERROR::IStepError & o_step_error );
//
// Wrapper function to call fabric_io_run_training
//
void* call_fabric_io_run_training( void *io_pArgs )
{
IStepError l_StepError;
errlHndl_t l_errl = NULL;
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_fabric_io_run_training entry" );
uint8_t l_linktrain_failures = 0;
EDI_EI_INITIALIZATION::TargetPairs_t l_PbusConnections;
const uint32_t MaxBusSet = 1;
TYPE busSet[MaxBusSet] = { TYPE_XBUS }; // TODO RTC:152304 - add TYPE_OBUS
for (uint32_t ii = 0; (!l_errl) && (ii < MaxBusSet); ii++)
{
l_errl = EDI_EI_INITIALIZATION::PbusLinkSvc::getTheInstance().
getPbusConnections(l_PbusConnections, busSet[ii]);
if (l_errl)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"ERROR 0x%.8X : getPbusConnections TYPE_%cBUS returns error",
l_errl->reasonCode(), (ii ? 'X':'O') );
// Create IStep error log and cross reference to error that occurred
l_StepError.addErrorDetails( l_errl );
// Commit the error log
// Log should be deleted and set to NULL in errlCommit.
errlCommit(l_errl, HWPF_COMP_ID);
// Don't continue with a potential bad connection set
break;
}
for (const auto & l_PbusConnection: l_PbusConnections)
{
const fapi2::Target <fapi2::TARGET_TYPE_XBUS>
l_thisPbusFapi2Target(
(const_cast<TARGETING::Target*>(l_PbusConnection.first)));
const fapi2::Target <fapi2::TARGET_TYPE_XBUS>
l_connectedPbusFapi2Target(
(const_cast<TARGETING::Target*>(l_PbusConnection.second)));
const TARGETING::ATTR_IO_XBUS_MASTER_MODE_type l_master_mode =
l_PbusConnection.first->getAttr
<TARGETING::ATTR_IO_XBUS_MASTER_MODE>();
TARGETING::ATTR_FAPI_NAME_type l_master_target_name = {0};
TARGETING::ATTR_FAPI_NAME_type l_slave_target_name = {0};
if (l_master_mode == fapi2::ENUM_ATTR_IO_XBUS_MASTER_MODE_TRUE)
{
l_linktrain_failures = run_linktraining(
l_thisPbusFapi2Target,
l_connectedPbusFapi2Target,
l_StepError);
fapi2::toString(l_thisPbusFapi2Target,
l_master_target_name,
sizeof(l_master_target_name));
fapi2::toString(l_connectedPbusFapi2Target,
l_slave_target_name,
sizeof(l_slave_target_name));
}
else
{
l_linktrain_failures = run_linktraining(
l_connectedPbusFapi2Target,
l_thisPbusFapi2Target,
l_StepError);
fapi2::toString(l_connectedPbusFapi2Target,
l_master_target_name,
sizeof(l_master_target_name));
fapi2::toString(l_thisPbusFapi2Target,
l_slave_target_name,
sizeof(l_slave_target_name));
}
if (l_linktrain_failures)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"%d attempts to linktrain XBUS targets failed. "
"Master: %s, Slave: %s", l_linktrain_failures,
l_master_target_name, l_slave_target_name);
}
else
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Successfully linktrained XBUS targets. "
"Master: %s, Slave: %s",
l_master_target_name, l_slave_target_name);
}
}
} // end for MaxBusSet
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"call_fabric_io_run_training exit" );
// end task, returning any errorlogs to IStepDisp
return l_StepError.getErrorHandle();
}
/**
* @brief Try to train link between target's endpoints
*
* @param[in] i_master_target Master XBUS target endpoint
* @param[in] i_slave_target Slave XBUS target endpoint
* @param[out] o_step_error Failing error logs added to this
*
* @pre Target services must be initialized
* @post See "return"
* @return uint8_t Number of failures (maximum failures = 4)
* @retval 4 Means all attempts to train links failed
*/
uint8_t run_linktraining(
const fapi2::Target<fapi2::TARGET_TYPE_XBUS> &i_master_target,
const fapi2::Target<fapi2::TARGET_TYPE_XBUS> &i_slave_target,
ISTEP_ERROR::IStepError & o_step_error)
{
uint8_t o_failures = 0;
errlHndl_t l_errl = NULL;
// group is either 0 or 1
std::vector<uint8_t> l_groups = {0,1};
for (auto l_group : l_groups)
{
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Running p9_io_xbus_linktrain HWP on "
"master target %.8X and "
"slave target %.8X on group %d.",
TARGETING::get_huid(i_master_target),
TARGETING::get_huid(i_slave_target),
l_group );
FAPI_INVOKE_HWP(l_errl,
p9_io_xbus_linktrain,
i_master_target,
i_slave_target,
l_group);
if (l_errl)
{
o_failures++;
TRACFCOMP( ISTEPS_TRACE::g_trac_isteps_trace,
"Failure #%d) ERROR 0x%.8X : p9_io_xbus_linktrain "
"HWP on master target %.8X and "
"slave target %.8X on group %d.",
o_failures, l_errl->reasonCode(),
TARGETING::get_huid(i_master_target),
TARGETING::get_huid(i_slave_target),
l_group );
// capture the target data in the elog
ErrlUserDetailsTarget(i_master_target).addToLog( l_errl );
ErrlUserDetailsTarget(i_slave_target).addToLog( l_errl );
// Create IStep error log and cross ref error that occurred
o_step_error.addErrorDetails( l_errl);
// Commit Error
errlCommit(l_errl, HWPF_COMP_ID);
l_errl = NULL;
}
}
return o_failures;
}
};
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