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p9_pm_recovery_ffdc_qppm.C
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p9_pm_recovery_ffdc_qppm.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/p9/procedures/hwp/pm/p9_pm_recovery_ffdc_qppm.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2017,2018 */
/* [+] 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 */
// *INDENT-OFF*
///
/// @file p9_pm_recovery_ffdc_qppm.C
/// @brief QPPM FFDC collection of PM complex
///
/// *HWP HWP Owner: Greg Still <stillgs@us.ibm.com>
/// *HWP FW Owner: Prasad Bg Ranganath <prasadbgr@in.ibm.com>
/// *HWP Team: PM
/// *HWP Level: 2
/// *HWP Consumed by: Hostboot
//
// *INDENT-OFF*
//--------------------------------------------------------------------------
// Includes
//--------------------------------------------------------------------------
#include <p9_pm_recovery_ffdc_qppm.H>
#include <collect_reg_ffdc.H>
#include <p9_quad_scom_addresses.H>
#include <stddef.h>
#include <endian.h>
namespace p9_stop_recov_ffdc
{
QppmRegs::QppmRegs( const fapi2::Target< fapi2::TARGET_TYPE_PROC_CHIP > i_procChipTgt )
: PlatPmComplex ( i_procChipTgt, PLAT_QPPM )
{ }
//----------------------------------------------------------------------
fapi2::ReturnCode QppmRegs::init ( void* i_pHomerBuf )
{
FAPI_DBG (">> QppmRegs::init" );
FAPI_TRY ( collectFfdc( i_pHomerBuf, INIT),
"Failed To init QPPM REGS FFDC" );
fapi_try_exit:
FAPI_DBG ("<< QppmRegs::init" );
return fapi2::current_err;
}
//----------------------------------------------------------------------
void QppmRegs::initRegList()
{
std::vector < uint32_t> l_scomRegList;
l_scomRegList.push_back( EQ_PPM_GPMMR_SCOM );
l_scomRegList.push_back( EQ_PPM_SSHSRC );
l_scomRegList.push_back( EQ_QPPM_DPLL_FREQ );
PlatPmComplex::updateSummaryList( l_scomRegList );
}
//----------------------------------------------------------------------
fapi2::ReturnCode QppmRegs::collectFfdc ( void* i_pHomerBuf,
uint8_t i_ffdcType )
{
FAPI_DBG(">> QppmRegs::collectFfdc");
fapi2::ReturnCode l_rc = fapi2::FAPI2_RC_SUCCESS;
uint8_t* l_pFfdcLoc = NULL;
auto l_quadList =
getProcChip().getChildren< fapi2::TARGET_TYPE_EQ > ( fapi2::TARGET_STATE_PRESENT );
uint8_t l_quadPos = 0;
uint16_t l_ffdcValid = FFDC_SUMMARY_SUB_SEC_VALID;
HomerFfdcRegion * l_pHomerFfdc =
( HomerFfdcRegion *)( (uint8_t *)i_pHomerBuf + FFDC_REGION_HOMER_BASE_OFFSET );
for( auto quad : l_quadList )
{
FAPI_TRY( FAPI_ATTR_GET( fapi2::ATTR_CHIP_UNIT_POS, quad, l_quadPos ),
"FAPI_ATTR_GET Failed To Read QUAD Position" );
l_pFfdcLoc = &l_pHomerFfdc->iv_quadFfdc[l_quadPos].iv_quadQppmRegion[0];
// On INIT, update the headers just as in case of not functional
if (quad.isFunctional())
{
// Note: ( i_ffdcType & INIT ) is the default case
if ( i_ffdcType & SCOM_REG )
{
l_ffdcValid = FFDC_SUMMARY_SUB_SEC_VALID;
FAPI_INF("QPPM FFDC Pos %d ", l_quadPos);
l_rc = collectRegisterData <fapi2::TARGET_TYPE_EQ> (
quad,
l_pFfdcLoc + sizeof(PpmFfdcHeader),
static_cast<fapi2::HwpFfdcId>(fapi2::QPPM_FFDC_REGISTERS));
if ( l_rc )
{
l_ffdcValid = FFDC_SUMMARY_SUB_SEC_INVALID;
}
}
}
FAPI_TRY( updateQppmFfdcHeader( l_pFfdcLoc, l_quadPos, l_ffdcValid),
"Failed To Update QPPM FFDC Header for quad 0x%0d", l_quadPos);
}
if( !( i_ffdcType & INIT ) )
{
generateSummary( i_pHomerBuf );
}
fapi_try_exit:
logPmResetPhase (i_pHomerBuf);
FAPI_DBG("<< QppmRegs::collectFfdc");
return fapi2::current_err;
}
//-----------------------------------------------------------------------
fapi2::ReturnCode QppmRegs::updateQppmFfdcHeader( uint8_t * i_pHomerBuf,
const uint8_t i_quadPos,
const uint16_t i_ffdcValid)
{
FAPI_DBG(">> updateQppmFfdcHeader" );
PpmFfdcHeader * l_QppmFfdcHdr = (PpmFfdcHeader *) i_pHomerBuf ;
l_QppmFfdcHdr->iv_ppmMagicWord = htobe32(FFDC_QPPM_MAGIC_NUM);
l_QppmFfdcHdr->iv_versionMajor = 1;
l_QppmFfdcHdr->iv_versionMinor = 0;
l_QppmFfdcHdr->iv_Instance = i_quadPos;
l_QppmFfdcHdr->iv_ppmHeaderSize = htobe16(sizeof(PpmFfdcHeader));
l_QppmFfdcHdr->iv_sectionSize = htobe16(FFDC_QPPM_REGION_SIZE);
l_QppmFfdcHdr->iv_ffdcValid = htobe16 (i_ffdcValid);
FAPI_DBG("<< updateQppmFfdcHeader" );
return fapi2::FAPI2_RC_SUCCESS;
}
//-----------------------------------------------------------------------
fapi2::ReturnCode QppmRegs::generateSummary( void * i_pHomer )
{
HomerFfdcRegion * l_pHomerFfdc =
( HomerFfdcRegion *)( (uint8_t *)i_pHomer + FFDC_REGION_HOMER_BASE_OFFSET );
uint8_t* l_pQppmFfdcLoc = NULL;
uint8_t * l_pQppmSummary = NULL;
PpmFfdcHeader * l_pQppmHdr = NULL;
uint32_t l_regionSizeLimit = FFDC_QPPM_REGION_SIZE - sizeof( PpmFfdcHeader );
initRegList();
for( uint8_t l_ppmPos = 0; l_ppmPos < MAX_QUADS_PER_CHIP; l_ppmPos++ )
{
l_pQppmFfdcLoc = &l_pHomerFfdc->iv_quadFfdc[l_ppmPos].iv_quadQppmRegion[0];
l_pQppmSummary = &l_pHomerFfdc->iv_ffdcSummaryRegion.iv_qpmmRegSummary[l_ppmPos][FFDC_SUMMARY_SEC_HDR_SIZE];
l_pQppmHdr = ( PpmFfdcHeader * ) &l_pHomerFfdc->iv_quadFfdc[l_ppmPos].iv_quadQppmRegion[0];
FfdcSummSubSectHdr * l_pQppmSummaryHdr
= (FfdcSummSubSectHdr *)&l_pHomerFfdc->iv_ffdcSummaryRegion.iv_qpmmRegSummary[l_ppmPos][0];
l_pQppmSummaryHdr->iv_subSectnId = PLAT_QPPM;
l_pQppmSummaryHdr->iv_majorNum = 1;
l_pQppmSummaryHdr->iv_minorNum = 0;
l_pQppmSummaryHdr->iv_secValid = htobe16(l_pQppmHdr->iv_ffdcValid);
if( !l_pQppmSummaryHdr->iv_secValid )
{
continue;
}
PlatPmComplex::extractScomSummaryReg( l_pQppmFfdcLoc + sizeof( PpmFfdcHeader ),
l_regionSizeLimit, l_pQppmSummary );
}
return fapi2::FAPI2_RC_SUCCESS;
}
//-----------------------------------------------------------------------
extern "C"
{
fapi2::ReturnCode p9_pm_recovery_ffdc_qppm( const fapi2::Target<fapi2::TARGET_TYPE_PROC_CHIP >& i_procChip, void * i_pFfdcBuf )
{
FAPI_IMP(">> p9_pm_recovery_ffdc_qppm" );
QppmRegs l_qppmFfdc( i_procChip );
FAPI_TRY( l_qppmFfdc.collectFfdc( i_pFfdcBuf, SCOM_REG ),
"Failed To Collect QPPM FFDC" );
fapi_try_exit:
FAPI_IMP("<< p9_pm_recovery_ffdc_qppm" );
return fapi2::current_err;
}
}
}//namespace p9_stop_recov_ffdc ends