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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/hwpf/fapi2/src/fapi2_utils.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 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 utils.C
* @brief Implements fapi2 utilities
*/
#include <fapi2_attribute_service.H>
#include <attribute_ids.H>
#include <return_code.H>
#include <plat_trace.H>
#include <target.H>
namespace fapi2
{
ReturnCode queryChipEcAndName(
const Target < fapi2::TARGET_TYPE_ALL>& i_target,
fapi2::ATTR_NAME_Type& o_chipName, fapi2::ATTR_EC_Type& o_chipEc )
{
ReturnCode l_rc = FAPI_ATTR_GET_PRIVILEGED(fapi2::ATTR_NAME, i_target, o_chipName);
if ( l_rc != FAPI2_RC_SUCCESS )
{
FAPI_ERR("queryChipEcFeature: error getting chip name");
}
else
{
l_rc = FAPI_ATTR_GET_PRIVILEGED(fapi2::ATTR_EC, i_target, o_chipEc);
if ( l_rc != FAPI2_RC_SUCCESS )
{
FAPI_ERR("queryChipEcFeature: error getting chip ec");
}
}
return l_rc;
}
// convert sbe instance of target to a fapi position
uint16_t convertSbeTargInstanceToFapiPos(fapi2::TargetType i_targType,
fapi2::Target<TARGET_TYPE_PROC_CHIP>& i_proc, uint16_t i_instance)
{
// Compute this target's FAPI_POS value. We first take the parent's
// FAPI_POS and multiply by the max number of targets of this type that
// the parent's type can have. This yields the lower bound of this
// target's FAPI_POS. Then we add in the relative position of this
// target with respect to the parent. Typically this is done by passing
// in the chip unit, in which case (such as for cores) it can be much
// greater than the architecture limit ratio (there can be cores with
// chip units of 0..23, but only 2 cores per ex), so to normalize we
// have to take the value mod the architecture limit. Note that this
// scheme only holds up because every parent also had the same type of
// calculation to compute its own FAPI_POS.
uint16_t max_targets = 0;
uint16_t fapi_pos = INVALID_FAPI_POS;
ATTR_FAPI_POS_Type l_procPosition = 0;
FAPI_ATTR_GET(fapi2::ATTR_FAPI_POS, i_proc, l_procPosition);
// if the target type being converted is a proc chip, then
// it will be the same proc as the sbe instance, just return that one
if(i_targType == TARGET_TYPE_PROC_CHIP )
{
fapi_pos = l_procPosition;
}
else
{
switch( i_targType )
{
case TARGET_TYPE_EQ:
{
max_targets = MAX_EQ_PER_PROC;
break;
}
case TARGET_TYPE_CORE:
{
max_targets = MAX_CORE_PER_PROC;
break;
}
case TARGET_TYPE_EX:
{
max_targets = MAX_EX_PER_PROC;
break;
}
case TARGET_TYPE_MCS:
{
max_targets = MAX_MCS_PER_PROC;
break;
}
case TARGET_TYPE_MCA:
{
max_targets = MAX_MCA_PER_PROC;
break;
}
case TARGET_TYPE_MC:
{
max_targets = MAX_MC_PER_PROC;
break;
}
case TARGET_TYPE_MI:
{
max_targets = MAX_MI_PER_PROC;
break;
}
case TARGET_TYPE_PHB:
{
max_targets = MAX_PHB_PER_PROC;
break;
}
case TARGET_TYPE_MCBIST:
{
max_targets = MAX_MCBIST_PER_PROC;
break;
}
case TARGET_TYPE_PERV:
{
max_targets = MAX_PERV_PER_PROC;
break;
}
case TARGET_TYPE_OBUS:
{
max_targets = MAX_OBUS_PER_PROC;
break;
}
case TARGET_TYPE_PEC:
{
max_targets = MAX_PEC_PER_PROC;
break;
}
case TARGET_TYPE_OMI:
{
max_targets = MAX_OMI_PER_PROC;
break;
}
case TARGET_TYPE_OMIC:
{
max_targets = MAX_OMIC_PER_PROC;
break;
}
case TARGET_TYPE_MCC:
{
max_targets = MAX_MCC_PER_PROC;
break;
}
case TARGET_TYPE_OCMB_CHIP:
{
max_targets = MAX_OCMB_CHIP_PER_PROC;
break;
}
default:
max_targets = INVALID_TARGET_COUNT;
break;
}
if( max_targets == INVALID_TARGET_COUNT )
{
FAPI_ERR("Unable to determine the target count "
"for target type = 0x%x and instance 0x%d "
"associated with proc position %d",
i_targType, i_instance, l_procPosition);
}
else
{
fapi_pos = max_targets * l_procPosition +
(i_instance % max_targets);
}
}
FAPI_INF("Returning FAPI_POS= %d for target type 0x%x", fapi_pos, i_targType);
return fapi_pos;
}
};
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