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attribute_service.C
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attribute_service.C
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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/fapi2/attribute_service.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] 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 attribute_service.C
///
/// @brief Implements the platform functions that access attributes for FAPI2
///
//******************************************************************************
// Includes
//******************************************************************************
// The following file checks at compile time that all HWPF attributes are
// handled by Hostboot. This is done to ensure that the HTML file listing
// supported HWPF attributes lists attributes handled by Hostboot
#include <stdint.h>
#include <return_code.H>
#include <attribute_ids.H>
#include <attributeenums.H>
#include <fapi2platattrmacros.H>
#include <fapi2_attribute_service.H>
#include <attribute_service.H>
#include <attribute_plat_check.H>
#include <targeting/common/attributes.H>
#include <target.H>
#include <target_types.H>
#include <hwpf_fapi2_reasoncodes.H>
#include <devicefw/driverif.H>
#include <plat_attr_override_sync.H>
#include <vpd/spdenums.H>
#include <p9_pm_get_poundv_bucket_attr.H>
#include <p9_pm_get_poundw_bucket_attr.H>
#include <errl/errlmanager.H>
#include <targeting/common/targetservice.H>
#include <targeting/common/predicates/predicatectm.H>
#include <targeting/common/utilFilter.H>
#include <targeting/common/util.H>
#include <../memory/lib/shared/mss_const.H>
#include <secureboot/service.H>
//******************************************************************************
// Implementation
//******************************************************************************
namespace fapi2
{
namespace platAttrSvc
{
///
/// @brief Gets the TARGETING object for the input FAPI target
/// See doxygen in attribute_service.H
///
errlHndl_t getTargetingTarget(const Target<TARGET_TYPE_ALL>& i_pFapiTarget,
TARGETING::Target* & o_pTarget,
const TARGETING::TYPE i_expectedType)
{
errlHndl_t l_errl = NULL;
do
{
if (i_pFapiTarget.get() == NULL)
{
// Fapi Target object isnt point to a real target
FAPI_ERR("getTargetingTarget. NULL Fapi Target");
/*@
* @errortype
* @moduleid fapi2::MOD_FAPI2_GET_TARGETING_TARGET
* @reasoncode RC_NULL_FAPI_TARGET
* @userdata1[0:31] Fapi2 Expected Type
* @userdata1[32:63] <unused>
* @userdata2[0:7] Is Chip
* @userdata2[8:15] Is Chiplet
* @userdata2[16:63] <unused>
* @devdesc Unable to resolve FapiTarget from input
* @custdesc Firmware Error
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_FAPI2_GET_TARGETING_TARGET,
RC_NULL_FAPI_TARGET,
i_expectedType,
TWO_UINT8_TO_UINT16(
i_pFapiTarget.isChip(),
i_pFapiTarget.isChiplet()));
l_errl->collectTrace(FAPI_TRACE_NAME);
l_errl->collectTrace(FAPI_IMP_TRACE_NAME);
break;
}
o_pTarget = reinterpret_cast<TARGETING::Target*>(i_pFapiTarget.get());
if(i_expectedType != TARGETING::TYPE_NA)
{
TARGETING::TYPE l_type = o_pTarget->getAttr<TARGETING::ATTR_TYPE>();
if (l_type != i_expectedType)
{
FAPI_ERR("getTargetingTarget. Type: %d, expected %d", l_type,
i_expectedType);
/*@
* @errortype
* @moduleid fapi2::MOD_FAPI2_GET_TARGETING_TARGET
* @reasoncode RC_MISMATCHED_FAPI_TARG_TARGET
* @userdata1[0:31] Actual Type
* @userdata1[32:63] Expected Type
* @userdata2[0:31] Initial FAPI2 Type
* @userdata2[32:47] Is Chip
* @userdata2[48:63] Is Chiplet
* @devdesc When coverting from FAPI2::target to
* Targeting::target the resulting
Targeting::target's was incorrect
* @custdesc Firmware Error
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_FAPI2_GET_TARGETING_TARGET,
RC_MISMATCHED_FAPI_TARG_TARGET,
TWO_UINT32_TO_UINT64(l_type,
i_expectedType),
TWO_UINT32_TO_UINT64(
i_pFapiTarget.getType(),
TWO_UINT16_TO_UINT32(
i_pFapiTarget.isChip(),
i_pFapiTarget.isChiplet())));
l_errl->collectTrace(FAPI_TRACE_NAME);
l_errl->collectTrace(FAPI_IMP_TRACE_NAME);
break;
}
}
} while(0);
return l_errl;
}
bool getTargetingAttrHelper(TARGETING::Target * l_pTargTarget,
const TARGETING::ATTRIBUTE_ID i_targAttrId,
const uint32_t i_attrSize, void * o_pAttr)
{
return l_pTargTarget->_tryGetAttr(i_targAttrId, i_attrSize, o_pAttr);
}
///
/// @brief Gets a Targeting attribute, this is called by the macro that maps a
/// FAPI Attribute get to a TARGETING attribute and should not be called
/// directly.
/// See doxygen in H file.
///
ReturnCode getTargetingAttr(
const Target< TARGET_TYPE_ALL, plat_target_handle_t >& i_pFapiTarget,
const TARGETING::ATTRIBUTE_ID i_targAttrId,
const uint32_t i_attrSize,
void * o_pAttr)
{
errlHndl_t l_errl = NULL;
ReturnCode l_rc;
TARGETING::Target * l_pTargTarget = NULL;
l_errl = getTargetingTarget(i_pFapiTarget, l_pTargTarget);
if (l_errl)
{
FAPI_ERR("getTargetingAttr: Error from getTargetingTarget");
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
// Note directly calling Target's private _tryGetAttr function for code
// size optimization, the public function is a template function that
// cannot be called with a variable attribute ID, the template function
// checks at compile time that the Targeting attribute is readable, but
// that is already checked by the Targeting compiler
bool l_success = getTargetingAttrHelper(l_pTargTarget,
i_targAttrId,
i_attrSize, o_pAttr);
if (!l_success)
{
FAPI_ERR("getTargetingAttr: Error from getTargetingAttrHelper "
"for target 0x%.8X and attribute 0x%x",
TARGETING::get_huid(l_pTargTarget), i_targAttrId);
/*@
* @errortype
* @moduleid fapi2::MOD_FAPI2_GET_TARGETING_ATTR
* @reasoncode RC_INVALID_ATTRIBUTE
* @userdata1[0:31] FAPI2 Target Type
* @userdata1[32:63] HB Target HUID
* @userdata2 Requested attribute ID
* @devdesc Invalid attribute read request
* @custdesc Firmware Error
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_FAPI2_GET_TARGETING_ATTR,
RC_INVALID_ATTRIBUTE,
TWO_UINT32_TO_UINT64(
i_pFapiTarget.getType(),
TARGETING::get_huid(l_pTargTarget)
),
i_targAttrId);
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
}
return l_rc;
}
bool setTargetingAttrHelper(TARGETING::Target * l_pTargTarget,
const TARGETING::ATTRIBUTE_ID i_targAttrId,
const uint32_t i_attrSize,
void * o_pAttr)
{
return l_pTargTarget->_trySetAttr(i_targAttrId, i_attrSize, o_pAttr);
}
///
/// @brief Sets a Targeting attribute, this is called by the macro that maps a
/// FAPI Attribute set to a FAPI2 TARGETING attribute and should not be
/// called directly
/// See doxygen in H file
///
ReturnCode setTargetingAttr(
const Target<TARGET_TYPE_ALL, plat_target_handle_t >& i_pFapiTarget,
const TARGETING::ATTRIBUTE_ID i_targAttrId,
const uint32_t i_attrSize,
void * i_pAttr)
{
ReturnCode l_rc;
errlHndl_t l_errl = NULL;
TARGETING::Target * l_pTargTarget = NULL;
l_errl = getTargetingTarget(i_pFapiTarget, l_pTargTarget);
if (l_errl)
{
FAPI_ERR("setTargetingAttr: Error from getTargetingTarget");
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
// Note directly calling Target's private _trySetAttr function for code
// size optimization, the public function is a template function that
// cannot be called with a variable attribute ID, the template function
// checks at compile time that the Targeting attribute is readable, but
// that is already checked by the Targeting compiler
bool l_success = setTargetingAttrHelper(l_pTargTarget,
i_targAttrId,
i_attrSize,
i_pAttr);
if (!l_success)
{
FAPI_ERR("setTargetingAttr: Error from setTargetingAttrHelper "
"for target 0x%.8X and attribute 0x%x",
TARGETING::get_huid(l_pTargTarget), i_targAttrId);
/*@
* @errortype
* @moduleid fapi2::MOD_FAPI2_SET_TARGETING_ATTR
* @reasoncode RC_INVALID_ATTRIBUTE
* @userdata1[0:31] FAPI2 Target Type
* @userdata1[32:63] HB Target HUID
* @userdata2 Requested attribute ID
* @devdesc Invalid attribute write request
* @custdesc Firmware Error
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_FAPI2_SET_TARGETING_ATTR,
RC_INVALID_ATTRIBUTE,
TWO_UINT32_TO_UINT64(
i_pFapiTarget.getType(),
TARGETING::get_huid(l_pTargTarget)
),
i_targAttrId);
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
}
return l_rc;
}
//******************************************************************************
// platGetTargetName function
//******************************************************************************
ReturnCode platGetTargetName(const Target<TARGET_TYPE_ALL>& i_pFapiTarget,
uint8_t & o_name)
{
ReturnCode l_rc;
errlHndl_t l_errl = NULL;
TARGETING::Target * l_pHbTarget = NULL;
o_name = ENUM_ATTR_NAME_NONE;
do
{
l_errl = getTargetingTarget(i_pFapiTarget, l_pHbTarget);
if (l_errl)
{
FAPI_ERR("platGetTargetName: Error from getTargetingTarget");
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
TARGETING::MODEL l_model =
l_pHbTarget->getAttr<TARGETING::ATTR_MODEL>();
if (l_model == TARGETING::MODEL_NIMBUS)
{
o_name = ENUM_ATTR_NAME_NIMBUS;
}
else if (l_model == TARGETING::MODEL_CUMULUS)
{
o_name = ENUM_ATTR_NAME_CUMULUS;
}
else if (l_model == TARGETING::MODEL_CENTAUR)
{
o_name = ENUM_ATTR_NAME_CENTAUR;
}
else
{
FAPI_ERR("platGetTargetName. Unknown name 0x%x", l_model);
/*@
* @errortype
* @moduleid fapi2::MOD_FAPI2_GET_TARGETING_TARGET
* @reasoncode RC_UNKNOWN_MODEL
* @userdata1[0:31] FAPI2 Type
* @userdata1[32:63] HB Target HUID
* @userdata2[0:31] HB Type
* @userdata2[32:63] HB Model
* @devdesc HB target found with unknown model attribute
* @custdesc Firmware Error
*/
l_errl = new ERRORLOG::ErrlEntry(ERRORLOG::ERRL_SEV_UNRECOVERABLE,
MOD_FAPI2_GET_TARGETING_TARGET,
RC_UNKNOWN_MODEL,
TWO_UINT32_TO_UINT64(
i_pFapiTarget.getType(),
TARGETING::get_huid(l_pHbTarget)
),
TWO_UINT32_TO_UINT64(
l_pHbTarget->
getAttr<TARGETING::ATTR_TYPE>(),
l_model));
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
} while (0);
return l_rc;
}
//******************************************************************************
// platGetFunctional function
//******************************************************************************
ReturnCode platGetFunctional(const Target<TARGET_TYPE_ALL>& i_pFapiTarget,
uint8_t & o_functional)
{
errlHndl_t l_errl = NULL;
ReturnCode l_rc;
TARGETING::Target * l_pHbTarget = NULL;
o_functional = 0;
l_errl = getTargetingTarget(i_pFapiTarget, l_pHbTarget);
if (l_errl)
{
FAPI_ERR("platGetFunctional: Error from getTargetingTarget");
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
TARGETING::PredicateIsFunctional l_functional;
if (l_functional(l_pHbTarget))
{
o_functional = 1;
}
}
return l_rc;
}
//******************************************************************************
// fapi::platAttrSvc::platGetTargetPos function
//******************************************************************************
ReturnCode platGetTargetPos(const Target<TARGET_TYPE_ALL>& i_pFapiTarget,
uint32_t & o_pos)
{
errlHndl_t l_errl = NULL;
ReturnCode l_rc;
TARGETING::Target * l_pTarget = NULL;
// Get the Targeting Target
l_errl = getTargetingTarget(i_pFapiTarget, l_pTarget);
if (l_errl)
{
FAPI_ERR("platGetTargetPos: Error from getTargetingTarget");
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
uint16_t l_pos = l_pTarget->getAttr<TARGETING::ATTR_FAPI_POS>();
//@todo-RTC:161594-ATTR_POS is defined as per-drawer, so need to
// mod the value down appropriately
o_pos = l_pos;
}
return l_rc;
}
//******************************************************************************
// fapi::platAttrSvc::platGetFusedCoreMode function
//******************************************************************************
ReturnCode platGetFusedCoreMode(uint8_t & o_isFused)
{
o_isFused = TARGETING::is_fused_mode();
return fapi2::ReturnCode();
}
//******************************************************************************
// fapi2::platAttrSvc::platGetPoundVBucketData function
//******************************************************************************
ReturnCode platGetPoundVBucketData(const Target<TARGET_TYPE_ALL>& i_fapiTarget,
uint8_t * o_poundVData)
{
fapi2::ReturnCode rc;
// Don't need to check the type here, the FAPI_ATTR_GET macro clause
// "fapi2::Target<ID##_TargetType>(TARGET)" does it for us. However,
// to enable a streamlined dump of the attributes, all plat code must use
// the generic TARGET_TYPE_ALL -- so convert back to the correct type
// manually
TARGETING::Target * l_pTarget = NULL;
errlHndl_t l_errl = getTargetingTarget(i_fapiTarget, l_pTarget);
if (l_errl)
{
FAPI_ERR("platGetPoundVBucketData: Error from getTargetingTarget");
rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
fapi2::Target<TARGET_TYPE_EQ> l_fapiTarget( l_pTarget);
rc = p9_pm_get_poundv_bucket_attr(l_fapiTarget,o_poundVData);
}
return rc;
}
//******************************************************************************
// fapi2::platAttrSvc::platGetPoundWBucketData function
//******************************************************************************
ReturnCode platGetPoundWBucketData(const Target<TARGET_TYPE_ALL>& i_fapiTarget,
uint8_t * o_poundWData)
{
fapi2::ReturnCode rc;
// Don't need to check the type here, the FAPI_ATTR_GET macro clause
// "fapi2::Target<ID##_TargetType>(TARGET)" does it for us. However,
// to enable a streamlined dump of the attributes, all plat code must use
// the generic TARGET_TYPE_ALL -- so convert back to the correct type
// manually
TARGETING::Target * l_pTarget = NULL;
errlHndl_t l_errl = getTargetingTarget(i_fapiTarget, l_pTarget);
if (l_errl)
{
FAPI_ERR("platGetPoundWBucketData: Error from getTargetingTarget");
rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
}
else
{
fapi2::Target<TARGET_TYPE_EQ> l_fapiTarget( l_pTarget);
rc = p9_pm_get_poundw_bucket_attr(l_fapiTarget,o_poundWData);
}
return rc;
}
ReturnCode platParseWOFTables(uint8_t* o_wofData);
//******************************************************************************
// fapi2::platAttrSvc::platGetWOFTableData function
//******************************************************************************
ReturnCode platGetWOFTableData(const Target<TARGET_TYPE_ALL>& i_fapiTarget,
uint8_t * o_wofTableData)
{
fapi2::ReturnCode rc;
// Parse the tables and return a single wof table
rc = platParseWOFTables(o_wofTableData);
return rc;
}
//******************************************************************************
// ATTR_BAD_DQ_BITMAP getter/setter constant definitions
//******************************************************************************
// define structure for the format of DIMM_BAD_DQ_DATA
struct dimmBadDqDataFormat
{
uint32_t iv_magicNumber;
uint8_t iv_version;
uint8_t iv_reserved1;
uint8_t iv_reserved2;
uint8_t iv_reserved3;
uint8_t iv_bitmaps[mss::MAX_RANK_PER_DIMM][mss::BAD_DQ_BYTE_COUNT];
};
// constant definitions
const uint8_t SPARE_DRAM_DQ_BYTE_NUMBER_INDEX = 9;
const uint32_t DIMM_BAD_DQ_MAGIC_NUMBER = 0xbadd4471;
const uint8_t DIMM_BAD_DQ_VERSION = 1;
size_t DIMM_BAD_DQ_SIZE_BYTES = 0x50;
//******************************************************************************
// fapi2::platAttrSvc::__getMcsAndPortSlct function
//******************************************************************************
ReturnCode __getMcsAndPortSlct( const Target<TARGET_TYPE_DIMM>& i_fapiDimm,
TARGETING::TargetHandle_t &o_mcsTarget,
uint32_t o_ps )
{
fapi2::ReturnCode l_rc;
errlHndl_t l_errl = nullptr;
do
{
// determine whether this is a Nimbus or Cumulus chip
TARGETING::Target * masterProc = nullptr;
TARGETING::targetService().masterProcChipTargetHandle(masterProc);
TARGETING::ATTR_MODEL_type procType =
masterProc->getAttr<TARGETING::ATTR_MODEL>();
TARGETING::TargetHandle_t l_port = nullptr;
// If the proc is Cumulus, we need to get the MBA.
if ( TARGETING::MODEL_CUMULUS == procType )
{
Target<TARGET_TYPE_MBA> l_fapiMba =
i_fapiDimm.getParent<TARGET_TYPE_MBA>();
l_errl = getTargetingTarget( l_fapiMba, l_port );
if ( l_errl )
{
FAPI_ERR( "__getMcsAndPortSlct: Error from "
"getTargetingTarget getting MBA." );
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
// Get the MCS.
TARGETING::TargetHandleList l_memBufList;
getParentAffinityTargets( l_memBufList, l_port,
TARGETING::CLASS_CHIP, TARGETING::TYPE_MEMBUF );
TARGETING::TargetHandleList l_mcsList;
getParentAffinityTargets( l_mcsList, l_memBufList[0],
TARGETING::CLASS_UNIT, TARGETING::TYPE_MCS );
o_mcsTarget = l_mcsList[0];
}
// If the proc is Nimbus, we need to get the MCA.
else
{
Target<TARGET_TYPE_MCA> l_fapiMca =
i_fapiDimm.getParent<TARGET_TYPE_MCA>();
l_errl = getTargetingTarget( l_fapiMca, l_port );
if ( l_errl )
{
FAPI_ERR( "__getMcsAndPortSlct: Error from "
"getTargetingTarget getting MCA." );
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
// Get the MCS.
Target<TARGET_TYPE_MCS> l_fapiMcs;
l_fapiMcs = l_fapiMca.getParent<TARGET_TYPE_MCS>();
l_errl = getTargetingTarget( l_fapiMcs, o_mcsTarget );
if ( l_errl )
{
FAPI_ERR( "__getMcsAndPortSlct: Error from "
"getTargetingTarget getting MCS." );
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
}
o_ps = l_port->getAttr<TARGETING::ATTR_CHIP_UNIT>() %
mss::PORTS_PER_MCS;
}while(0);
return l_rc;
}
//******************************************************************************
// fapi2::platAttrSvc::__badDqBitmapGetHelperAttrs function
//******************************************************************************
ReturnCode __badDqBitmapGetHelperAttrs(
const TARGETING::TargetHandle_t i_dimmTarget,
uint8_t (&o_wiringData)[mss::PORTS_PER_MCS][mss::MAX_DQ_BITS],
uint64_t &o_allMnfgFlags, uint32_t o_ps )
{
fapi2::ReturnCode l_rc;
do
{
// memset to avoid known syntax issue with previous compiler versions
// and ensure zero initialized array.
memset( o_wiringData, 0, sizeof(o_wiringData) );
Target<TARGET_TYPE_DIMM> l_fapiDimm( i_dimmTarget );
TARGETING::TargetHandle_t l_mcsTarget = nullptr;
__getMcsAndPortSlct( l_fapiDimm, l_mcsTarget, o_ps );
// Get the DQ to DIMM Connector DQ Wiring attribute.
// Note that for C-DIMMs, this will return a simple 1:1 mapping.
// This code cannot tell the difference between C-DIMMs and IS-DIMMs.
l_rc = FAPI_ATTR_GET( fapi2::ATTR_MSS_VPD_DQ_MAP, l_mcsTarget,
o_wiringData );
if ( l_rc )
{
FAPI_ERR( "__badDqBitmapGetHelperAttrs: Unable to read attribute - "
"ATTR_MSS_VPD_DQ_MAP" );
break;
}
// Manufacturing flags attribute
o_allMnfgFlags = 0;
// Get the manufacturing flags bitmap to be used in both get and set
l_rc = FAPI_ATTR_GET( fapi2::ATTR_MNFG_FLAGS,
fapi2::Target<fapi2::TARGET_TYPE_SYSTEM>(),
o_allMnfgFlags );
if ( l_rc )
{
FAPI_ERR( "__badDqBitmapGetHelperAttrs: Unable to read attribute - "
"ATTR_MNFG_FLAGS" );
break;
}
}while(0);
return l_rc;
}
//******************************************************************************
// fapi2::platAttrSvc::__dimmUpdateDqBitmapEccByte function
//******************************************************************************
errlHndl_t __dimmUpdateDqBitmapEccByte(
TARGETING::TargetHandle_t i_dimm,
uint8_t (&o_data)[mss::MAX_RANK_PER_DIMM][mss::BAD_DQ_BYTE_COUNT] )
{
errlHndl_t l_errl = nullptr;
const uint8_t ECC_DQ_BYTE_NUMBER_INDEX = 8;
const uint8_t ENUM_ATTR_SPD_MODULE_MEMORY_BUS_WIDTH_WE8 = 0x08;
size_t MEM_BUS_WIDTH_SIZE = 0x01;
do
{
uint8_t *l_eccBits = static_cast<uint8_t*>(malloc(MEM_BUS_WIDTH_SIZE));
l_errl = deviceRead( i_dimm,
l_eccBits,
MEM_BUS_WIDTH_SIZE,
DEVICE_SPD_ADDRESS(SPD::MODULE_MEMORY_BUS_WIDTH) );
if ( l_errl )
{
FAPI_ERR( "__dimmUpdateDqBitmapEccByte: Failed to get "
"SPD::MODULE_MEMORY_BUS_WIDTH." );
break;
}
// The ATTR_SPD_MODULE_MEMORY_BUS_WIDTH contains ENUM values
// for bus widths of 8, 16, 32, and 64 bits both with ECC
// and without ECC. WExx ENUMS denote the ECC extension
// is present, and all have bit 3 set. Therefore,
// it is only required to check against the WE8 = 0x08 ENUM
// value in order to determine if ECC lines are present.
if ( !(ENUM_ATTR_SPD_MODULE_MEMORY_BUS_WIDTH_WE8 & *l_eccBits) )
{
// Iterate through each rank and set DQ bits in
// caller's data.
for ( uint8_t i = 0; i < mss::MAX_RANK_PER_DIMM; i++ )
{
// Set DQ bits in caller's data
o_data[i][ECC_DQ_BYTE_NUMBER_INDEX] = 0xFF;
}
}
}while(0);
return l_errl;
}
//******************************************************************************
// fapi2::platAttrSvc::__dimmGetDqBitmapSpareByte function
//******************************************************************************
ReturnCode __dimmGetDqBitmapSpareByte( TARGETING::TargetHandle_t i_dimm,
uint8_t (&o_spareByte)[mss::MAX_RANK_PER_DIMM])
{
ReturnCode l_rc;
do
{
// Spare DRAM Attribute: Returns spare DRAM availability for
// all DIMMs associated with the target MCS.
uint8_t l_dramSpare[mss::PORTS_PER_MCS][mss::MAX_DIMM_PER_PORT]
[mss::MAX_RANK_PER_DIMM] = {};
Target<TARGET_TYPE_DIMM> l_fapiDimm( i_dimm );
uint32_t l_ds = i_dimm->getAttr<TARGETING::ATTR_FAPI_POS>() %
mss::MAX_DIMM_PER_PORT;
TARGETING::TargetHandle_t l_mcsTarget = nullptr;
uint32_t l_ps = 0;
__getMcsAndPortSlct( l_fapiDimm, l_mcsTarget, l_ps );
l_rc = FAPI_ATTR_GET( fapi2::ATTR_EFF_DIMM_SPARE, l_mcsTarget,
l_dramSpare );
if ( l_rc )
{
FAPI_ERR( "__dimmGetDqBitmapSpareByte: Error getting DRAM Spare "
"data." );
break;
}
// Iterate through each rank of this DIMM
for ( uint8_t i = 0; i < mss::MAX_RANK_PER_DIMM; i++ )
{
// Handle spare DRAM configuration cases
switch ( l_dramSpare[l_ps][l_ds][i] )
{
case fapi2::ENUM_ATTR_EFF_DIMM_SPARE_NO_SPARE:
// Set DQ bits reflecting unconnected
// spare DRAM in caller's data
o_spareByte[i] = 0xFF;
break;
case fapi2::ENUM_ATTR_EFF_DIMM_SPARE_LOW_NIBBLE:
o_spareByte[i] = 0x0F;
break;
case fapi2::ENUM_ATTR_EFF_DIMM_SPARE_HIGH_NIBBLE:
o_spareByte[i] = 0xF0;
break;
// As erroneous value will not be encountered.
case fapi2::ENUM_ATTR_EFF_DIMM_SPARE_FULL_BYTE:
default:
o_spareByte[i] = 0x0;
break;
}
}
}while(0);
return l_rc;
}
//******************************************************************************
// fapi2::platAttrSvc::__dimmUpdateDqBitmapSpareByte function
//******************************************************************************
ReturnCode __dimmUpdateDqBitmapSpareByte(
TARGETING::TargetHandle_t i_dimm,
uint8_t (&o_data)[mss::MAX_RANK_PER_DIMM][mss::BAD_DQ_BYTE_COUNT] )
{
ReturnCode l_rc;
do
{
uint8_t spareByte[mss::MAX_RANK_PER_DIMM];
memset( spareByte, 0, sizeof(spareByte) );
l_rc = __dimmGetDqBitmapSpareByte( i_dimm, spareByte );
if ( l_rc )
{
FAPI_ERR("__dimmUpdateDqBitmapSpareByte: Error getting spare byte");
break;
}
for ( uint32_t i = 0; i < mss::MAX_RANK_PER_DIMM; i++ )
{
o_data[i][SPARE_DRAM_DQ_BYTE_NUMBER_INDEX] |= spareByte[i];
}
}while(0);
return l_rc;
}
//******************************************************************************
// fapi2::platAttrSvc::__compareEccAndSpare function
//******************************************************************************
ReturnCode __compareEccAndSpare(TARGETING::TargetHandle_t i_dimm,
bool & o_mfgModeBadBitsPresent,
uint8_t i_callersData[mss::MAX_RANK_PER_DIMM][mss::BAD_DQ_BYTE_COUNT],
uint8_t (&o_eccSpareBitmap)[mss::MAX_RANK_PER_DIMM][mss::BAD_DQ_BYTE_COUNT])
{
// This function will compare o_eccSpareBitmap, which represents a bad dq
// bitmap with the appropriate spare/ECC bits set (if any) and all other DQ
// lines functional, to the caller's data. If discrepancies are found, we
// know this is the result of a manufacturing mode process and these bits
// should not be recorded.
ReturnCode l_rc;
errlHndl_t l_errl = nullptr;
do
{
// Zero-initialize the o_eccSpareBitmap bad dq bitmap.
memset( o_eccSpareBitmap, 0, sizeof(o_eccSpareBitmap) );
// Check ECC.
l_errl = __dimmUpdateDqBitmapEccByte(i_dimm, o_eccSpareBitmap);
if ( l_errl )
{
FAPI_ERR( "__compareEccAndSpare: Error getting ECC data "
"(Mfg mode)" );
l_rc = fapi2::FAPI2_RC_INVALID_ATTR_GET;
break;
}
// Check spare DRAM.
l_rc = __dimmUpdateDqBitmapSpareByte(i_dimm, o_eccSpareBitmap);
if ( l_rc )
{
FAPI_ERR( "__compareEccAndSpare: Error getting spare DRAM data "
"(Mfg mode)" );
break;
}
// Compare o_eccSpareBitmap to i_callersData.
for ( uint8_t i = 0; i < mss::MAX_RANK_PER_DIMM; i++ )
{
for (uint8_t j = 0; j < mss::BAD_DQ_BYTE_COUNT; j++)
{
if ( i_callersData[i][j] !=
o_eccSpareBitmap[i][j] )
{
o_mfgModeBadBitsPresent = true;
break;
}
}
if ( o_mfgModeBadBitsPresent ) break;
}
// Create and log error if discrepancies were found.
if ( o_mfgModeBadBitsPresent )
{
FAPI_ERR( "__compareEccAndSpare: Read/write requested while in "
"DISABLE_DRAM_REPAIRS mode found extra bad bits set for "
"DIMM" );
/*@
* @errortype
* @moduleid MOD_FAPI2_BAD_DQ_BITMAP
* @reasoncode RC_BAD_DQ_MFG_MODE_BITS
* @userdata1 DIMM Target HUID
* @userdata2 <unused>
* @devdesc Extra bad bits set for DIMM
* @custdesc Read/write requested while in
* DISABLE_DRAM_REPAIRS mode found
* extra bad bits set for DIMM
*/
l_errl = new ERRORLOG::ErrlEntry(
ERRORLOG::ERRL_SEV_INFORMATIONAL,
MOD_FAPI2_BAD_DQ_BITMAP,
RC_BAD_DQ_MFG_MODE_BITS,
TARGETING::get_huid(i_dimm) );
l_errl->addFFDC( HWPF_COMP_ID, &o_eccSpareBitmap[0],
sizeof(o_eccSpareBitmap[0]), 1,
CLEAN_BAD_DQ_BITMAP_RANK0 );
l_errl->addFFDC( HWPF_COMP_ID, &o_eccSpareBitmap[1],
sizeof(o_eccSpareBitmap[1]), 1,
CLEAN_BAD_DQ_BITMAP_RANK1 );
l_errl->addFFDC( HWPF_COMP_ID, &o_eccSpareBitmap[2],
sizeof(o_eccSpareBitmap[2]), 1,
CLEAN_BAD_DQ_BITMAP_RANK2 );
l_errl->addFFDC( HWPF_COMP_ID, &o_eccSpareBitmap[3],
sizeof(o_eccSpareBitmap[3]), 1,
CLEAN_BAD_DQ_BITMAP_RANK3 );
l_errl->addFFDC( HWPF_COMP_ID, &i_callersData[0],
sizeof(i_callersData[0]), 1,
CURRENT_BAD_DQ_BITMAP_RANK0 );
l_errl->addFFDC( HWPF_COMP_ID, &i_callersData[1],
sizeof(i_callersData[1]), 1,
CURRENT_BAD_DQ_BITMAP_RANK1 );
l_errl->addFFDC( HWPF_COMP_ID, &i_callersData[2],
sizeof(i_callersData[2]), 1,
CURRENT_BAD_DQ_BITMAP_RANK2 );
l_errl->addFFDC( HWPF_COMP_ID, &i_callersData[3],
sizeof(i_callersData[3]), 1,
CURRENT_BAD_DQ_BITMAP_RANK3 );
errlCommit( l_errl, HWPF_COMP_ID );
}
}while(0);
return l_rc;
}
//******************************************************************************
// fapi2::platAttrSvc::fapiAttrGetBadDqBitmap function
//******************************************************************************
ReturnCode fapiAttrGetBadDqBitmap(
const Target<TARGET_TYPE_ALL>& i_dimmFapiTarget,
ATTR_BAD_DQ_BITMAP_Type (&o_data) )
{
FAPI_INF(">>fapiAttrGetBadDqBitmap: Getting bitmap");
fapi2::ReturnCode l_rc;
errlHndl_t l_errl = nullptr;
TARGETING::TargetHandle_t l_dimmTarget = nullptr;
do
{
l_errl = getTargetingTarget( i_dimmFapiTarget, l_dimmTarget );
if ( l_errl )
{
FAPI_ERR( "fapiAttrGetBadDqBitmap: Error from getTargetingTarget" );
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
uint8_t l_wiringData[mss::PORTS_PER_MCS][mss::MAX_DQ_BITS];
uint64_t l_allMnfgFlags;
uint32_t l_ps = 0;
l_rc = __badDqBitmapGetHelperAttrs( l_dimmTarget, l_wiringData,
l_allMnfgFlags, l_ps );
if ( l_rc )
{
FAPI_ERR( "fapiAttrGetBadDqBitmap: Error - unable to read "
"attributes" );
break;
}
uint8_t * l_badDqData =
static_cast<uint8_t*>( malloc(DIMM_BAD_DQ_SIZE_BYTES) );
l_errl = deviceRead(l_dimmTarget, l_badDqData,
DIMM_BAD_DQ_SIZE_BYTES,
DEVICE_SPD_ADDRESS(SPD::DIMM_BAD_DQ_DATA));
if ( l_errl )
{
FAPI_ERR( "fapiAttrGetBadDqBitmap: Failed to read DIMM Bad DQ "
"data." );
l_rc.setPlatDataPtr(reinterpret_cast<void *> (l_errl));
break;
}
dimmBadDqDataFormat l_spdData;
memcpy( &l_spdData, l_badDqData, sizeof(dimmBadDqDataFormat) );
// Zero caller's data
memset(o_data, 0, sizeof(o_data));