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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/import/generic/memory/lib/utils/index.H $ */
/* */
/* OpenPOWER HostBoot Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2019 */
/* [+] 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 index.H
/// @brief Tools to return attribute array index from a fapi2 target
///
// *HWP HWP Owner: Andre Marin <aamarin@us.ibm.com>
// *HWP HWP Backup: Jacob Harvey <jlharvey@us.ibm.com>
// *HWP Team: Memory
// *HWP Level: 3
// *HWP Consumed by: HB:FSP
#ifndef _MSS_INDEX_H_
#define _MSS_INDEX_H_
#include <fapi2.H>
#include <generic/memory/lib/utils/shared/mss_generic_consts.H>
#include <generic/memory/lib/utils/pos.H>
namespace mss
{
// TODO Add mc_type template on mss::index API"
///
/// @brief Return an attribute array index from a fapi2 target
/// @tparam T the fapi2::TargetType - derived
/// @param[in] i_target a fapi2 target
/// @return size_t the attribute array index.
///
template< fapi2::TargetType T >
inline size_t index(const fapi2::Target<T>& i_target);
///
/// @brief Return an attribute array index from a DIMM target
/// @param[in] i_target a DIMM target representing the DIMM in question
/// @return size_t the attribute array index.
///
template<>
inline size_t index(const fapi2::Target<fapi2::TARGET_TYPE_DIMM>& i_target)
{
typedef procTraits<proc_type::NIMBUS> TT;
return mss::pos(i_target) % TT::DIMMS_PER_PORT;
}
///
///@brief Return an attribute array index from a MCA target
/// @param[in] i_target a MCA target representing the MCA in question
/// @return size_t the attribute array index.
///
template<>
inline size_t index(const fapi2::Target<fapi2::TARGET_TYPE_MCA>& i_target)
{
typedef procTraits<proc_type::NIMBUS> TT;
return mss::pos(i_target) % TT::PORTS_PER_MCS;
}
///
/// @brief Return an attribute array index from a MCS target
/// @param[in] i_target a MCS target representing the MCS in question
/// @return size_t the attribute array index.
///
template<>
inline size_t index(const fapi2::Target<fapi2::TARGET_TYPE_MCS>& i_target)
{
typedef procTraits<proc_type::NIMBUS> TT;
return mss::pos(i_target) % TT::MCS_PER_MC;
}
///
/// @brief Return an attribute array index from a OCMB target
/// @param[in] i_target a MEM_PORT target representing the OCMB in question
/// @return size_t the attribute array index.
///
template<>
inline size_t index(const fapi2::Target<fapi2::TARGET_TYPE_MEM_PORT>& i_target)
{
typedef procTraits<proc_type::AXONE> TT;
// We may need to revisit this later if we get an OCMB that has more than one port.
return mss::pos(i_target) % TT::EXP_PORTS_PER_OCMB;
}
///
/// @brief Return an attribute array index from a rank number
/// @param[in] i_rank uint64_t a rank number DIMM0 {0, 1, 2, 3} DIMM1 {0, 1, 2, 3}
/// @return size_t the attribute array index.
///
inline size_t index(const uint64_t i_rank)
{
constexpr size_t RANK_MID_POINT = 4;
return i_rank % RANK_MID_POINT;
}
}
#endif
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