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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/diag/prdf/plat/mem/prdfMemTdCtlr_rt.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] 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 prdfMemTdCtlr_rt.C
* @brief A state machine for memory Targeted Diagnostics (runtime only).
*/
#include <prdfMemTdCtlr.H>
// Platform includes
#include <prdfMemScrubUtils.H>
#include <prdfPlatServices.H>
using namespace TARGETING;
namespace PRDF
{
using namespace PlatServices;
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
uint32_t MemTdCtlr<T>::handleTdEvent( STEP_CODE_DATA_STRUCT & io_sc,
TdEntry * i_entry )
{
#define PRDF_FUNC "[MemTdCtlr::handleTdEvent] "
uint32_t o_rc = SUCCESS;
do
{
// Make sure the TD controller is initialized.
o_rc = initialize();
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "initialize() failed on 0x%08x",
iv_chip->getHuid() );
break;
}
// Add this entry to the queue.
iv_queue.push( i_entry );
// Don't interrupt a TD procedure if one is already in progress.
if ( nullptr != iv_curProcedure ) break;
// Stop background scrubbing.
o_rc = stopBgScrub<T>( iv_chip );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "stopBgScrub<T>(0x%08x) failed",
iv_chip->getHuid() );
break;
}
// Since we had to manually stop the maintenance command, refresh all
// relevant registers that may have changed since the initial capture.
// TODO: RTC 166837
// It is possible that background scrub could have found an ECC error
// before we had a chance to stop the command. Therefore, we need to
// call analyzeCmdComplete() first so that any ECC errors found can be
// handled. Also, analyzeCmdComplete() will initialize the variables
// needed so we know where to restart background scrubbing.
bool junk = false;
o_rc = analyzeCmdComplete( junk, io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "analyzeCmdComplete(0x%08x) failed",
iv_chip->getHuid() );
break;
}
// Move onto the next step in the state machine.
o_rc = nextStep( io_sc );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "nextStep() failed on 0x%08x",
iv_chip->getHuid() );
break;
}
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
uint32_t MemTdCtlr<T>::initialize()
{
#define PRDF_FUNC "[MemTdCtlr::initialize] "
uint32_t o_rc = SUCCESS;
do
{
if ( iv_initialized ) break; // nothing to do
// Add any unverified chip marks to the TD queue
// TODO: RTC 171866
// At this point, the TD controller is initialized.
iv_initialized = true;
} while (0);
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
uint32_t MemTdCtlr<T>::defaultStep( STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[MemTdCtlr::defaultStep] "
uint32_t o_rc = SUCCESS;
if ( iv_resumeBgScrub )
{
// Background scrubbing paused for FFDC collection only. Resume the
// current command.
iv_resumeBgScrub = false;
PRDF_TRAC( PRDF_FUNC "Calling resumeBgScrub<T>(0x%08x)",
iv_chip->getHuid() );
o_rc = resumeBgScrub<T>( iv_chip );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "resumeBgScrub<T>(0x%08x) failed",
iv_chip->getHuid() );
}
}
else
{
// A TD procedure has completed. Restart background scrubbing on the
// next rank.
TdRankListEntry nextRank = iv_rankList.getNext( iv_stoppedRank );
PRDF_TRAC( PRDF_FUNC "Calling startBgScrub<T>(0x%08x, m%ds%d)",
nextRank.getChip()->getHuid(),
nextRank.getRank().getMaster(),
nextRank.getRank().getSlave() );
o_rc = startBgScrub<T>( nextRank.getChip(), nextRank.getRank() );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "startBgScrub<T>(0x%08x,m%ds%d) failed",
nextRank.getChip()->getHuid(),
nextRank.getRank().getMaster(),
nextRank.getRank().getSlave() );
}
}
return o_rc;
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
uint32_t __checkEcc( ExtensibleChip * i_chip, TdQueue & io_queue,
const MemAddr & i_addr, bool & o_errorsFound,
STEP_CODE_DATA_STRUCT & io_sc )
{
#define PRDF_FUNC "[__checkEcc] "
uint32_t o_rc = SUCCESS;
o_errorsFound = false;
do
{
// Check for ECC errors.
uint32_t eccAttns = 0;
o_rc = checkEccFirs<T>( i_chip, eccAttns );
if ( SUCCESS != o_rc )
{
PRDF_ERR( PRDF_FUNC "checkEccFirs<T>(0x%08x) failed",
i_chip->getHuid() );
break;
}
// TODO RTC 171915
} while (0);
return o_rc;
#undef PRDF_FUNC
}
template
uint32_t __checkEcc<TYPE_MCA>( ExtensibleChip * i_chip, TdQueue & io_queue,
const MemAddr & i_addr, bool & o_errorsFound,
STEP_CODE_DATA_STRUCT & io_sc );
template
uint32_t __checkEcc<TYPE_MBA>( ExtensibleChip * i_chip, TdQueue & io_queue,
const MemAddr & i_addr, bool & o_errorsFound,
STEP_CODE_DATA_STRUCT & io_sc );
//------------------------------------------------------------------------------
template <TARGETING::TYPE T>
void MemTdCtlr<T>::collectStateCaptureData( STEP_CODE_DATA_STRUCT & io_sc,
const char * i_startEnd )
{
#define PRDF_FUNC "[MemTdCtlr<T>::collectStateCaptureData] "
// TODO RTC 167827
#undef PRDF_FUNC
}
//------------------------------------------------------------------------------
// Avoid linker errors with the template.
template class MemTdCtlr<TYPE_MCBIST>;
template class MemTdCtlr<TYPE_MBA>;
//------------------------------------------------------------------------------
} // end namespace PRDF
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