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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/chips/centaur/procedures/hwp/memory/p9c_dimmBadDqBitmapAccessHwp.H $ */
/* */
/* 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_dimmBadDqBitmapAccessHwp.H
/// @brief FW Team HWP 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
////
//
#ifndef DIMMBADDQBITMAPACCESSHWP_H_
#define DIMMBADDQBITMAPACCESSHWP_H_
#include <fapi2.H>
#include <dimmConsts.H>
typedef fapi2::ReturnCode (*p9c_dimmBadDqBitmapAccessHwp_FP_t)(const fapi2::Target<fapi2::TARGET_TYPE_MBA>&,
const fapi2::Target<fapi2::TARGET_TYPE_DIMM>&,
const uint8_t (&)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE],
const bool);
extern "C"
{
///
/// @brief FW Team HWP that accesses the Bad DQ Bitmap.
/// It accesses the raw data from DIMM SPD and does
/// any necessary processing to turn it into a
/// bitmap from a Centaur DQ point of view. If the data in SPD is not
/// valid then it has never been written and all zeroes are returned (no
/// bad DQs).
///
/// This HWP should be called by HWP/PLAT code to access the BAD DQ Bitmap
///
/// @param[in] i_mba Reference to MBA Target
/// @param[in] i_dimm Reference to DIMM Target
/// @param[in,out] io_data Reference to bad DQ bitmap data for the DIMM.
/// @param[in] i_get True if getting DQ Bitmap data. False if setting data.
/// @return FAPI2_RC_SUCCESS iff okay
/// @note that the MSB of each byte corresponds to the lowest DQ.
/// if (data[1][0] == 0x80) then rank 1, Centaur DQ0 is bad
/// if (data[1][0] == 0x40) then rank 1, Centaur DQ1 is bad
/// if (data[1][1] == 0x20) then rank 1, Centaur DQ10 is bad
///
fapi2::ReturnCode dimmBadDqBitmapAccessHwp(const fapi2::Target<fapi2::TARGET_TYPE_MBA>& i_mba,
const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_dimm,
uint8_t (&io_data)[MAX_RANKS_PER_DIMM][DIMM_DQ_RANK_BITMAP_SIZE],
const bool i_get);
}
#endif
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