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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/centaur/procedures/hwp/memory/p9c_dimmBadDqBitmapFuncs.C $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2016,2017 */
/* [+] 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 p9c_dimmBadDqBitmapFuncs.C
/// @brief FW Team Utility functions that accesses the Bad DQ Bitmap.
///
/// *HWP HWP Owner: Luke Mulkey <lwmulkey@us.ibm.com>
/// *HWP HWP Backup: Andre Marin <aamarin@us.ibm.com>
/// *HWP Team: Memory
/// *HWP Level: 2
/// *HWP Consumed by: HB:CI
///
#include <p9c_dimmBadDqBitmapFuncs.H>
#include <p9c_dimmBadDqBitmapAccessHwp.H>
#include <string.h>
#include <generic/memory/lib/utils/c_str.H>
extern "C"
{
///
/// @brief Utility function to check parameters and find a DIMM target
/// @param[in] i_mba mba target
/// @param[in] i_port Port number
/// @param[in] i_dimm Dimm number
/// @param[in] i_rank Rank number
/// @param[out] o_dimm Dimm target
/// @return FAPI2_RC_SUCCESS iff okay
///
fapi2::ReturnCode dimmBadDqCheckParamFindDimm(const fapi2::Target<fapi2::TARGET_TYPE_MBA>& i_mba,
const uint8_t i_port,
const uint8_t i_dimm,
const uint8_t i_rank,
fapi2::Target<fapi2::TARGET_TYPE_DIMM>& o_dimm)
{
uint8_t l_port = 0;
uint8_t l_dimm = 0;
std::vector<fapi2::Target<fapi2::TARGET_TYPE_DIMM>> l_dimms;
std::vector<fapi2::Target<fapi2::TARGET_TYPE_DIMM>>::const_iterator dimmIter;
FAPI_ASSERT((i_port < MAX_PORTS_PER_MBA) &&
(i_dimm < MAX_DIMM_PER_PORT) &&
(i_rank < MAX_RANKS_PER_DIMM),
fapi2::CEN_BAD_DQ_DIMM_BAD_PARAM().
set_MBA(i_mba).
set_FFDC_PORT(i_port).
set_FFDC_DIMM(i_dimm).
set_FFDC_RANK(i_rank),
"dimmBadDqCheckParamFindDimm: %s Bad parameter. %d:%d:%d",
mss::c_str(i_mba), i_port, i_dimm, i_rank);
// Get the functional DIMMs associated with the MBA chiplet
l_dimms = i_mba.getChildren<fapi2::TARGET_TYPE_DIMM>();
// Find the DIMM with the correct MBA port/dimm
for (dimmIter = l_dimms.begin(); dimmIter != l_dimms.end(); ++dimmIter)
{
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MBA_PORT, *dimmIter, l_port));
if (l_port == i_port)
{
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_MBA_DIMM, *dimmIter, l_dimm));
if (l_dimm == i_dimm)
{
o_dimm = *dimmIter;
break;
}
}
}
FAPI_ASSERT(dimmIter != l_dimms.end(),
fapi2::CEN_BAD_DQ_DIMM_NOT_FOUND().
set_MBA(i_mba).
set_FFDC_PORT(i_port).
set_FFDC_DIMM(i_dimm),
"dimmBadDqCheckParamFindDimm: "
"Did not find DIMM for %s:%d:%d",
mss::c_str(i_mba), i_port, i_dimm);
fapi_try_exit:
return fapi2::current_err;
}
///
/// @brief FW Team Utility function that gets the Bad DQ Bitmap.
/// @param[in] i_mba Reference to MBA Chiplet
/// @param[in] i_port MBA port number (0-(MAX_PORTS_PER_MBA - 1))
/// @param[in] i_dimm MBA port DIMM number (0-(MAX_DIMM_PER_PORT - 1))
/// @param[in] i_rank DIMM rank number (0-(MAX_RANKS_PER_DIMM -1))
/// @param[out] o_data Reference to data where Bad DQ bitmap is copied to
/// @return FAPI2_RC_SUCCESS iff okay
///
fapi2::ReturnCode dimmGetBadDqBitmap(const fapi2::Target<fapi2::TARGET_TYPE_MBA>& 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", mss::c_str(i_mba), i_port,
i_dimm, i_rank);
// Check parameters and find the DIMM fapi2::Target<fapi2::TARGET_TYPE_MBA>
fapi2::Target<fapi2::TARGET_TYPE_DIMM> l_dimm;
// 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)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE] =
*(reinterpret_cast<uint8_t(*)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE]>
(new uint8_t[MAX_RANKS_PER_DIMM * DIMM_DQ_RANK_BITMAP_SIZE]));
FAPI_TRY(dimmBadDqCheckParamFindDimm(i_mba, i_port, i_dimm, i_rank, l_dimm));
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_BAD_DQ_BITMAP, l_dimm, l_dqBitmap));
//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");
fapi_try_exit:
return fapi2::current_err;
}
/// @brief FW Team Utility function that sets the Bad DQ Bitmap.
/// @param[in] i_mba Reference to MBA Chiplet
/// @param[in] i_port MBA port number (0-(MAX_PORTS_PER_MBA - 1))
/// @param[in] i_dimm MBA port DIMM number (0-(MAX_DIMM_PER_PORT - 1))
/// @param[in] i_rank DIMM rank number (0-(MAX_RANKS_PER_DIMM -1))
/// @param[in] i_data Reference to data where Bad DQ bitmap is copied from
/// @return FAPI2_RC_SUCCESS
fapi2::ReturnCode dimmSetBadDqBitmap(const fapi2::Target<fapi2::TARGET_TYPE_MBA>& 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", mss::c_str(i_mba), i_port, i_dimm, i_rank);
// Check parameters and find the DIMM fapi2::Target<fapi2::TARGET_TYPE_MBA>
fapi2::Target<fapi2::TARGET_TYPE_DIMM> l_dimm;
// 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)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE] =
*(reinterpret_cast<uint8_t(*)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE]>
(new uint8_t[MAX_RANKS_PER_DIMM * DIMM_DQ_RANK_BITMAP_SIZE]));
FAPI_TRY(dimmBadDqCheckParamFindDimm(i_mba, i_port, i_dimm, i_rank, l_dimm));
FAPI_TRY(FAPI_ATTR_GET(fapi2::ATTR_CEN_BAD_DQ_BITMAP, l_dimm, l_dqBitmap));
// Add the rank bitmap to the DIMM bitmap and write the bitmap
memcpy(l_dqBitmap[i_rank], i_data, DIMM_DQ_RANK_BITMAP_SIZE);
FAPI_TRY(FAPI_ATTR_SET(fapi2::ATTR_CEN_BAD_DQ_BITMAP, l_dimm, l_dqBitmap));
delete [] &l_dqBitmap;
FAPI_INF("<<dimmSetBadDqBitmap");
fapi_try_exit:
return fapi2::current_err;
}
} // extern "C"
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