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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 2015,2018 */
/* [+] 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 */
/**
* @file call_fabric_io_run_training.C
*
* Support file for IStep: edi_ei_initialization
* EDI, EI Initialization
*
* HWP_IGNORE_VERSION_CHECK
*
*/
/******************************************************************************/
// Includes
/******************************************************************************/
// Integral and component ID support
#include <stdint.h> // uint32_t
#include <hbotcompid.H> // HWPF_COMP_ID
// Tracing support
#include <trace/interface.H> // TRACFCOMP
#include <initservice/isteps_trace.H> // g_trac_isteps_trace
// Targeting support
#include <fapi2_target.H> // fapi2::Target
#include <target.H> // TARGETING::Target
// Error handling support
#include <errl/errlentry.H> // errlHndl_t
#include <isteps/hwpisteperror.H> // IStepError
// Pbus link service support
#include <pbusLinkSvc.H> // TargetPairs_t, PbusLinkSvc
// HWP call support
#include <istepHelperFuncs.H> // captureError
#include <istep09/istep09HelperFuncs.H> // trainBusHandler
#include <p9_io_xbus_linktrain.H> // p9_io_xbus_linktrain
namespace ISTEP_09
{
using namespace ISTEP_ERROR;
using namespace ISTEPS_TRACE;
using namespace TARGETING;
// 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 )
{
errlHndl_t l_err(nullptr);
IStepError l_stepError;
TRACFCOMP(g_trac_isteps_trace,ENTER_MRK"call_fabric_io_run_training entry");
uint32_t l_numberOfTrainFailures(0);
EDI_EI_INITIALIZATION::TargetPairs_t l_pbusConnections;
TYPE l_busSet[] = { TYPE_XBUS, TYPE_OBUS };
constexpr uint32_t l_maxBusSet(sizeof(l_busSet)/sizeof(TYPE));
for (uint32_t ii = 0; ii < l_maxBusSet; ++ii)
{
l_err = EDI_EI_INITIALIZATION::PbusLinkSvc::getTheInstance().
getPbusConnections(l_pbusConnections, l_busSet[ii]);
if (l_err)
{
TRACFCOMP(g_trac_isteps_trace,
"ERROR 0x%.8X : getPbusConnections TYPE_%cBUS returns error",
l_err->reasonCode(), (ii ? 'O':'X') );
// Capture error and then
captureError(l_err,
l_stepError,
HWPF_COMP_ID);
// Don't continue with a potential bad connection set
break;
}
if (TYPE_XBUS == l_busSet[ii])
{
for (const auto & l_pbusConnection: l_pbusConnections)
{
// Default the master and slave fapi2 targets
fapi2::Target <fapi2::TARGET_TYPE_XBUS>
l_masterFapi2Target(
(const_cast<TARGETING::Target*>(l_pbusConnection.first)));
fapi2::Target <fapi2::TARGET_TYPE_XBUS>
l_slaveFapi2Target(
(const_cast<TARGETING::Target*>(l_pbusConnection.second)));
//Swap master and slave fapi2 targets if master mode is NOT true
if (l_pbusConnection.first->getAttr
<TARGETING::ATTR_IO_XBUS_MASTER_MODE>() !=
fapi2::ENUM_ATTR_IO_XBUS_MASTER_MODE_TRUE)
{
l_masterFapi2Target =
(const_cast<TARGETING::Target*>(l_pbusConnection.second));
l_slaveFapi2Target =
(const_cast<TARGETING::Target*>(l_pbusConnection.first));
}
TARGETING::ATTR_FAPI_NAME_type l_master_target_name = {0};
TARGETING::ATTR_FAPI_NAME_type l_slave_target_name = {0};
l_numberOfTrainFailures = run_linktraining(l_masterFapi2Target,
l_slaveFapi2Target,
l_stepError);
fapi2::toString(l_masterFapi2Target,
l_master_target_name,
sizeof(l_master_target_name));
fapi2::toString(l_slaveFapi2Target,
l_slave_target_name,
sizeof(l_slave_target_name));
if (l_numberOfTrainFailures)
{
TRACFCOMP(g_trac_isteps_trace,
"%d attempts to linktrain XBUS targets failed. "
"Master: %s, Slave: %s", l_numberOfTrainFailures,
l_master_target_name, l_slave_target_name);
}
else
{
TRACFCOMP(g_trac_isteps_trace,
"Successfully linktrained XBUS targets. "
"Master: %s, Slave: %s",
l_master_target_name, l_slave_target_name);
}
} // end for (const auto & l_pbusConnection: l_pbusConnections)
} // end if (TYPE_XBUS == l_busSet[ii])
#ifdef CONFIG_SMP_WRAP_TEST
else if (TYPE_OBUS == l_busSet[ii])
{
// Make the FAPI call to p9_io_obus_linktrain
if (!trainBusHandler(l_busSet[ii],
P9_IO_OBUS_LINKTRAIN,
l_stepError,
HWPF_COMP_ID,
l_pbusConnections))
{
break;
}
} // end else if (TYPE_OBUS == l_busSet[ii])
#endif
} // end for (uint32_t ii = 0; ii < l_maxBusSet; ++ii)
TRACFCOMP(g_trac_isteps_trace, EXIT_MRK"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_err(nullptr);
// group is either 0 or 1
std::vector<uint8_t> l_groups = {0,1};
for (auto l_group : l_groups)
{
TRACFCOMP(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_err,
p9_io_xbus_linktrain,
i_master_target,
i_slave_target,
l_group);
if (l_err)
{
o_failures++;
TRACFCOMP(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_err->reasonCode(),
TARGETING::get_huid(i_master_target),
TARGETING::get_huid(i_slave_target),
l_group );
// Create a target list out of the master and slave target
TargetHandleList l_targetList =
{ i_master_target.get(),
i_slave_target.get() };
// Capture error and continue
captureError(l_err,
o_step_error,
HWPF_COMP_ID,
l_targetList);
}
}
return o_failures;
}
}; // end namespace ISTEP_09
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