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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>
namespace mss
{
///
/// @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)
{
// Unrolled c_str to avoid a circular include
char l_c_str_storage[fapi2::MAX_ECMD_STRING_LEN] = {};
fapi2::toString( i_target, l_c_str_storage, fapi2::MAX_ECMD_STRING_LEN );
uint8_t l_pos = 0;
// Don't use FAPI_TRY as you'll mess up fapi2::current_err which
// lmits where this can be used.
if (FAPI_ATTR_GET(fapi2::ATTR_REL_POS, i_target, l_pos) != fapi2::FAPI2_RC_SUCCESS)
{
goto fapi_try_exit;
}
return l_pos;
fapi_try_exit:
// If we can't get our relative position, we're in other trouble
FAPI_ERR("can't get ATTR_REL_POS for %s", l_c_str_storage);
fapi2::Assert(false);
return 0;
}
///
/// @brief Sort the provided target vector in order of index (low to high)
///
/// @tparam T TargetType
/// @param[in,out] io_targets vector of targets to sort
///
template <fapi2::TargetType T>
inline void sort_targets_by_index(std::vector<fapi2::Target<T>>& io_targets)
{
std::sort(io_targets.begin(), io_targets.end(), [] (
const fapi2::Target<T>& l_first_target,
const fapi2::Target<T>& l_second_target) -> bool
{
return mss::index(l_first_target) < mss::index(l_first_target);
});
}
///
/// @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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