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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/winkle_ring_accessors/getL3DeltaDataAttr.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2013,2014 */
/* */
/* 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 */
// $Id: getL3DeltaDataAttr.C,v 1.5 2014/03/20 16:24:48 whs Exp $
/**
* @file getL3DeltaDataAttr.C
*
* @brief fetch processor ex func l3 delta data attributes based on chip type,
* EC and PROC_PBIEX_ASYNC_SEL value from static arrays in
* fapiL3DeltaDataAttr.H
*
*/
#include <stdint.h>
// fapi support
#include <fapi.H>
#include <getL3DeltaDataAttr.H>
#include <fapiL3DeltaDataAttr.H>
// Logic overview
// Define and initialize variables
// Get chip type
// Get EC level
// Get PROC_PBIEX_ASYNC_SEL attr
// Use chip & ec to select array entry and selection attr to select data array
// entry
// Set return delta data attr value
extern "C"
{
fapi::ReturnCode getL3DeltaDataAttr( const fapi::Target &i_fapiTarget,
uint32_t (&o_data)[DELTA_DATA_SIZE],
uint32_t (&o_ringLength))
{
FAPI_INF("getL3DeltaDataAttr: entry" );
// Initialize return values to 0x00
memset(o_data, 0x00, sizeof(o_data));
o_ringLength = 0;
// Define and initialize variables
uint8_t i = 0;
uint8_t l_attrDdLevel = 0;
fapi::TargetType l_targetType = fapi::TARGET_TYPE_NONE;
fapi::ATTR_NAME_Type l_chipType = 0x00;
fapi::ATTR_PROC_PBIEX_ASYNC_SEL_Type l_selection = 0;
fapi::ReturnCode rc;
// Get attributes used to determine delta data
do
{
// Verify input target is a processor
l_targetType = i_fapiTarget.getType();
if (l_targetType != fapi::TARGET_TYPE_PROC_CHIP)
{
FAPI_ERR("getL3DeltaDataAttr: Invalid target type passed on "
"invocation. target type=0x%08X ",
static_cast<uint32_t>(l_targetType));
// Return error on get attr
fapi::TargetType & TARGET_TYPE = l_targetType;
FAPI_SET_HWP_ERROR(rc, RC_GET_L3_DELTA_DATA_PARAMETER_ERR );
break;
}
// Get chip type
rc = FAPI_ATTR_GET_PRIVILEGED(ATTR_NAME,
&i_fapiTarget,
l_chipType);
if (rc)
{
FAPI_ERR("getL3DeltaDataAttr: FAPI_ATTR_GET_PRIVILEGED of "
"ATTR_NAME failed w/rc=0x%08X",
static_cast<uint32_t>(rc));
break;
}
// Get EC level
rc = FAPI_ATTR_GET_PRIVILEGED(ATTR_EC,
&i_fapiTarget,
l_attrDdLevel);
// Exit on error
if (rc)
{
FAPI_ERR("getL3DeltaDataAttr: FAPI_ATTR_GET_PRIVILEGED of "
"ATTR_EC failed w/rc=0x%08X", static_cast<uint32_t>(rc));
break;
}
// Get proc_pbiex_async_sel
rc = FAPI_ATTR_GET(ATTR_PROC_PBIEX_ASYNC_SEL,
NULL,
l_selection);
// Exit on error
if (rc)
{
FAPI_ERR("getL3DeltaDataAttr: FAPI_ATTR_GET of "
"ATTR_PROC_PBIEX_ASYNC_SEL failed w/rc=0x%08X",
static_cast<uint32_t>(rc));
break;
}
// Check for valid value
if ((l_selection != fapi::ENUM_ATTR_PROC_PBIEX_ASYNC_SEL_SEL0) &&
(l_selection != fapi::ENUM_ATTR_PROC_PBIEX_ASYNC_SEL_SEL1) &&
(l_selection != fapi::ENUM_ATTR_PROC_PBIEX_ASYNC_SEL_SEL2))
{
FAPI_ERR("getL3DeltaDataAttr: FAPI_ATTR_GET() returned "
"unsupported value ATTR_PROC_PBIEX_ASYNC_SEL=0x%02x",
l_selection);
fapi::ATTR_PROC_PBIEX_ASYNC_SEL_Type & SELECT_VAL = l_selection;
FAPI_SET_HWP_ERROR(rc, RC_GET_L3_DELTA_DATA_SELECT_ERR );
break;
}
FAPI_INF("getL3DeltaDataAttr: Chip type=0x%02x EC=0x%02x "
"ATTR_PROC_PBIEX_ASYNC_SEL = %i",
l_chipType, l_attrDdLevel, l_selection);
// Murano DD1.2 and DD1.0 are equivalent in terms of engineering data
if ((l_chipType == fapi::ENUM_ATTR_NAME_MURANO) &&
(l_attrDdLevel == 0x12))
{
FAPI_INF("getL3DeltaDataAttr: Treating EC1.2 like EC1.0");
l_attrDdLevel = 0x10;
}
// Use chip & ec to select array entry and selection attr to select
// data array entry
for (i = 0; ((i < (sizeof(L3_DELTA_DATA_array) /
sizeof(L3_DELTA_DATA_ATTR))) &&
((L3_DELTA_DATA_array[i].l_ATTR_CHIPTYPE != l_chipType) ||
(L3_DELTA_DATA_array[i].l_ATTR_EC != l_attrDdLevel) ||
(L3_DELTA_DATA_array[i].l_ATTR_SELECT != l_selection))); i++)
{ }
// No match found
if (i == (sizeof(L3_DELTA_DATA_array)/sizeof(L3_DELTA_DATA_ATTR)))
{
FAPI_ERR("getL3DeltaDataAttr: No match found for chiptype=0x%x "
"EC=0x%x selection=%d",
l_chipType, l_attrDdLevel, l_selection);
// Return error on get attr
fapi::ATTR_NAME_Type & CHIP_NAME = l_chipType;
uint8_t & CHIP_EC = l_attrDdLevel;
FAPI_SET_HWP_ERROR(rc, RC_GET_L3_DELTA_DATA_ERR );
break;
}
// Set return delta data attr value
memcpy(o_data,L3_DELTA_DATA_array[i].l_ATTR_L3_DELTA_DATA,
sizeof(o_data));
o_ringLength = L3_DELTA_DATA_array[i].l_ATTR_BIT_LENGTH;
} while (0);
FAPI_INF("getL3DeltaDataAttr: exit rc=0x%x", static_cast<uint32_t>(rc) );
return rc;
}
} // extern "C"
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