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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/usr/hwpf/hwp/fapiTestHwpDq.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: fapiTestHwpDq.C,v 1.3 2013/08/13 20:37:24 mjjones Exp $
/**
* @file fapiTestHwpDq.C
*
* @brief Implements a Test Hardware Procedure that exercises the bad DQ data
*/
/*
* Change Log ******************************************************************
* Flag Defect/Feature User Date Description
* ------ -------------- ---------- ----------- ----------------------------
* mjjones 02/21/2012 Created
* mjjones 06/14/2012 Test functional DIMM
*
* HWP_IGNORE_VERSION_CHECK
*/
#include <fapiTestHwpDq.H>
#include <dimmBadDqBitmapFuncs.H>
extern "C"
{
fapi::ReturnCode fapiTestHwpDq(const fapi::Target & i_mba)
{
FAPI_INF(">>fapiTestHwpDq: %s", i_mba.toEcmdString());
fapi::ReturnCode l_rc;
uint8_t l_dqBitmap[DIMM_DQ_RANK_BITMAP_SIZE];
do
{
// Get the bad DQ Bitmap with an incorrect port
l_rc = dimmGetBadDqBitmap(i_mba, 5, 0, 0, l_dqBitmap);
if (!l_rc)
{
FAPI_ERR("fapiTestHwpDq: Did not get expected error from dimmGetBadDqBitmap");
FAPI_SET_HWP_ERROR(l_rc, RC_TEST_DQ_NO_ERR_ON_BAD_PARAMS);
break;
}
// Do not log error to avoid adding an expected error to the log
FAPI_INF("fapiTestHwpDq: Got expected error from dimmGetBadDqBitmap");
l_rc = fapi::FAPI_RC_SUCCESS;
// Get associated functional DIMMs
std::vector<fapi::Target> l_dimms;
l_rc = fapiGetAssociatedDimms(i_mba, l_dimms);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error from fapiGetAssociatedDimms");
break;
}
if (l_dimms.size() == 0)
{
FAPI_ERR("fapiTestHwpDq: Did not find any functional DIMMs, skipping");
break;
}
// Use the last DIMM
fapi::Target & l_dimmTarg = l_dimms.back();
// Get the DIMM's port and dimm number
uint8_t l_port = 0;
uint8_t l_dimm = 0;
l_rc = FAPI_ATTR_GET(ATTR_MBA_PORT, &l_dimmTarg, l_port);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error getting ATTR_MBA_PORT");
break;
}
l_rc = FAPI_ATTR_GET(ATTR_MBA_DIMM, &l_dimmTarg, l_dimm);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error getting ATTR_MBA_DIMM");
break;
}
FAPI_INF("fapiTestHwpDq: Using dimm with MBA port:%d, dimm:%d",
l_port, l_dimm);
// Get the bad DQ Bitmap for all ranks and print any non-zero data
const uint8_t NUM_RANKS = 4;
uint8_t l_rank = 0;
for (l_rank = 0; l_rank < NUM_RANKS; l_rank++)
{
// Get the bad DQ Bitmap for the rank
l_rc = dimmGetBadDqBitmap(i_mba, l_port, l_dimm, l_rank,
l_dqBitmap);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error from dimmGetBadDqBitmap");
break;
}
// Trace any bad DQs
for (uint8_t i = 0; i < DIMM_DQ_RANK_BITMAP_SIZE; i++)
{
if (l_dqBitmap[i] != 0)
{
FAPI_INF("fapiTestHwpDq: Non-zero DQ data. Rank:%d, Byte:%d, Val:0x%02x",
l_rank, i, l_dqBitmap[i]);
}
}
}
if (l_rc)
{
break;
}
// Record the two bytes of the bad DQ bitmap that this function
// will change so that it can be restored
uint8_t l_origDq2 = l_dqBitmap[2];
uint8_t l_origDq6 = l_dqBitmap[6];
// Set 2 bad DQ bits
l_dqBitmap[2] = 0x40;
l_dqBitmap[6] = 0x20;
// Set the bad DQ Bitmap for the last rank
l_rc = dimmSetBadDqBitmap(i_mba, l_port, l_dimm, l_rank - 1, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error from dimmSetBadDqBitmap");
break;
}
// Check that the data can be read back
l_dqBitmap[2] = 0;
l_dqBitmap[6] = 0;
l_rc = dimmGetBadDqBitmap(i_mba, l_port, l_dimm, l_rank - 1, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error from dimmGetBadDqBitmap (2)");
break;
}
if ((l_dqBitmap[2] != 0x40) || (l_dqBitmap[6] != 0x20))
{
FAPI_ERR("fapiTestHwpDq: Got bad data 0x%x:0x%x",
l_dqBitmap[2], l_dqBitmap[6]);
uint8_t & FFDC_DATA1 = l_dqBitmap[2];
uint8_t & FFDC_DATA2 = l_dqBitmap[6];
FAPI_SET_HWP_ERROR(l_rc, RC_TEST_DQ_BAD_DATA);
break;
}
// Write the original data back
l_dqBitmap[2] = l_origDq2;
l_dqBitmap[6] = l_origDq6;
l_rc = dimmSetBadDqBitmap(i_mba, l_port, l_dimm, l_rank - 1, l_dqBitmap);
if (l_rc)
{
FAPI_ERR("fapiTestHwpDq: Error from dimmSetBadDqBitmap (2)");
break;
}
} while (0);
FAPI_INF("<<fapiTestHwpDq");
return l_rc;
}
} // extern "C"
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