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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/dimmBadDqBitmapFuncs.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* COPYRIGHT International Business Machines Corp. 2012,2014 */
/* */
/* 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: dimmBadDqBitmapFuncs.C,v 1.4 2013/08/13 20:32:55 mjjones Exp $
/**
* @file dimmBadDqBitmapFuncs.C
*
* @brief FW Team Utility functions that accesses the Bad DQ Bitmap.
*/
/*
* Change Log ******************************************************************
* Flag Defect/Feature User Date Description
* ------ -------------- ---------- ----------- ----------------------------
* mjjones 02/17/2012 Created.
* farrugia 07/09/2012 Added dimmBadDqBitmapAccessHwp.H
* since FAPI_HWP_EXEC may need the
* typedefs function pointer when
* running with some PLATs (ie Cronus)
* dedahle 06/20/2013 dimmGetBadDqBitmap/
* dimmSetBadDqBitmap funcs
* get/set ATTR_BAD_DQ_BITMAP
*/
#include <dimmBadDqBitmapFuncs.H>
#include <dimmBadDqBitmapAccessHwp.H>
#include <string.h>
extern "C"
{
//------------------------------------------------------------------------------
// Utility function to check parameters and find a DIMM target
//------------------------------------------------------------------------------
fapi::ReturnCode dimmBadDqCheckParamFindDimm(const fapi::Target & i_mba,
const uint8_t i_port,
const uint8_t i_dimm,
const uint8_t i_rank,
fapi::Target & o_dimm)
{
fapi::ReturnCode l_rc;
if ((i_port >= DIMM_DQ_MAX_MBA_PORTS) ||
(i_dimm >= DIMM_DQ_MAX_MBAPORT_DIMMS) ||
(i_rank >= DIMM_DQ_MAX_DIMM_RANKS))
{
FAPI_ERR("dimmBadDqCheckParamFindDimm: Bad parameter. %d:%d:%d",
i_port, i_dimm, i_rank);
const uint8_t & FFDC_PORT = i_port;
const uint8_t & FFDC_DIMM = i_dimm;
const uint8_t & FFDC_RANK = i_rank;
FAPI_SET_HWP_ERROR(l_rc, RC_BAD_DQ_DIMM_BAD_PARAM);
}
else
{
std::vector<fapi::Target> l_dimms;
// Get the functional DIMMs associated with the MBA chiplet
l_rc = fapiGetAssociatedDimms(i_mba, l_dimms);
if (l_rc)
{
FAPI_ERR("dimmBadDqCheckParamFindDimm: "
"Error from fapiGetAssociatedDimms");
}
else
{
// Find the DIMM with the correct MBA port/dimm
uint8_t l_port = 0;
uint8_t l_dimm = 0;
std::vector<fapi::Target>::const_iterator dimmIter;
for (dimmIter = l_dimms.begin();
dimmIter != l_dimms.end();
++dimmIter)
{
l_rc = FAPI_ATTR_GET(ATTR_MBA_PORT, &(*dimmIter), l_port);
if (l_rc)
{
FAPI_ERR("dimmBadDqCheckParamFindDimm: "
"Error getting ATTR_MBA_PORT for dimm");
break;
}
else if (l_port == i_port)
{
l_rc = FAPI_ATTR_GET(ATTR_MBA_DIMM, &(*dimmIter), l_dimm);
if (l_rc)
{
FAPI_ERR("dimmBadDqCheckParamFindDimm: "
"Error getting ATTR_MBA_DIMM for dimm");
break;
}
else if (l_dimm == i_dimm)
{
o_dimm = *dimmIter;
break;
}
}
}
if (!l_rc)
{
if (dimmIter == l_dimms.end())
{
FAPI_ERR("dimmBadDqCheckParamFindDimm: "
"Did not find DIMM for %s:%d:%d",
i_mba.toEcmdString(), i_port, i_dimm);
const fapi::Target & FFDC_MBA_TARGET = i_mba;
const uint8_t & FFDC_PORT = i_port;
const uint8_t & FFDC_DIMM = i_dimm;
FAPI_SET_HWP_ERROR(l_rc, RC_BAD_DQ_DIMM_NOT_FOUND);
}
}
}
}
return l_rc;
}
//------------------------------------------------------------------------------
fapi::ReturnCode dimmGetBadDqBitmap(const fapi::Target & i_mba,
const uint8_t i_port,
const uint8_t i_dimm,
const uint8_t i_rank,
uint8_t (&o_data)[DIMM_DQ_RANK_BITMAP_SIZE])
{
FAPI_INF(">>dimmGetBadDqBitmap. %s:%d:%d:%d", i_mba.toEcmdString(), i_port,
i_dimm, i_rank);
fapi::ReturnCode l_rc;
// Check parameters and find the DIMM Target
fapi::Target l_dimm;
l_rc = dimmBadDqCheckParamFindDimm(i_mba, i_port, i_dimm, i_rank, l_dimm);
if (!l_rc)
{
// Get the Bad DQ bitmap by querying ATTR_BAD_DQ_BITMAP.
// Use a heap based array to avoid large stack alloc
uint8_t (&l_dqBitmap)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE] =
*(reinterpret_cast<uint8_t(*)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE]>
(new uint8_t[DIMM_DQ_MAX_DIMM_RANKS*DIMM_DQ_RANK_BITMAP_SIZE]));
l_rc = FAPI_ATTR_GET(ATTR_BAD_DQ_BITMAP, &l_dimm, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("dimmGetBadDqBitmap: Error getting ATTR_BAD_DQ_BITMAP for dimm");
}
else
{
//Write contents of DQ bitmap for specific rank to o_data.
memcpy(o_data, l_dqBitmap[i_rank], DIMM_DQ_RANK_BITMAP_SIZE);
}
delete [] &l_dqBitmap;
}
FAPI_INF("<<dimmGetBadDqBitmap");
return l_rc;
}
//------------------------------------------------------------------------------
fapi::ReturnCode dimmSetBadDqBitmap(
const fapi::Target & i_mba,
const uint8_t i_port,
const uint8_t i_dimm,
const uint8_t i_rank,
const uint8_t (&i_data)[DIMM_DQ_RANK_BITMAP_SIZE])
{
FAPI_INF(">>dimmSetBadDqBitmap. %s:%d:%d:%d", i_mba.toEcmdString(), i_port, i_dimm, i_rank);
fapi::ReturnCode l_rc;
// Check parameters and find the DIMM Target
fapi::Target l_dimm;
l_rc = dimmBadDqCheckParamFindDimm(i_mba, i_port, i_dimm, i_rank, l_dimm);
if (!l_rc)
{
// Get the Bad DQ bitmap by querying ATTR_BAD_DQ_BITMAP.
// Use a heap based array to avoid large stack alloc
uint8_t (&l_dqBitmap)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE] =
*(reinterpret_cast<uint8_t(*)[DIMM_DQ_MAX_DIMM_RANKS][DIMM_DQ_RANK_BITMAP_SIZE]>
(new uint8_t[DIMM_DQ_MAX_DIMM_RANKS*DIMM_DQ_RANK_BITMAP_SIZE]));
l_rc = FAPI_ATTR_GET(ATTR_BAD_DQ_BITMAP, &l_dimm, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("dimmSetBadDqBitmap: Error getting ATTR_BAD_DQ_BITMAP for dimm");
}
else
{
// Add the rank bitmap to the DIMM bitmap and write the bitmap
memcpy(l_dqBitmap[i_rank], i_data, DIMM_DQ_RANK_BITMAP_SIZE);
l_rc = FAPI_ATTR_SET(ATTR_BAD_DQ_BITMAP, &l_dimm, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("dimmSetBadDqBitmap: Error setting ATTR_BAD_DQ_BITMAP for dimm");
}
}
delete [] &l_dqBitmap;
}
FAPI_INF("<<dimmSetBadDqBitmap");
return l_rc;
}
} // extern "C"
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