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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /* | ||
| * | ||
| * Copyright 2021-2024 Software Radio Systems Limited | ||
| * | ||
| * This file is part of srsRAN. | ||
| * | ||
| * srsRAN is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of | ||
| * the License, or (at your option) any later version. | ||
| * | ||
| * srsRAN is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * A copy of the GNU Affero General Public License can be found in | ||
| * the LICENSE file in the top-level directory of this distribution | ||
| * and at http://www.gnu.org/licenses/. | ||
| * | ||
| */ | ||
|
|
||
| #include "du_low_hal_factory.h" | ||
| #include "srsran/ran/sch/sch_constants.h" | ||
| #ifdef DPDK_FOUND | ||
| #include "srsran/hal/dpdk/bbdev/bbdev_acc_factory.h" | ||
| #include "srsran/hal/phy/upper/channel_processors/hw_accelerator_factories.h" | ||
| #include "srsran/hal/phy/upper/channel_processors/pusch/ext_harq_buffer_context_repository_factory.h" | ||
| #include "srsran/hal/phy/upper/channel_processors/pusch/hw_accelerator_factories.h" | ||
| #endif // DPDK_FOUND | ||
|
|
||
| using namespace srsran; | ||
|
|
||
| #ifdef DPDK_FOUND | ||
| std::shared_ptr<dpdk::bbdev_acc> | ||
| srsran::init_bbdev_hwacc(const bbdev_appconfig& bbdev_app_cfg, srslog::basic_logger& logger, unsigned nof_hwacc_dus) | ||
| { | ||
| // Initialize the bbdev-based hardware accelerator, if required. | ||
| static std::shared_ptr<dpdk::bbdev_acc> bbdev_accelerator = [bbdev_app_cfg, &logger, nof_hwacc_dus]() { | ||
| // Intefacing to the bbdev-based hardware-accelerator. | ||
| dpdk::bbdev_acc_configuration bbdev_config; | ||
| bbdev_config.id = bbdev_app_cfg.id; | ||
| if (bbdev_app_cfg.pdsch_enc && bbdev_app_cfg.pdsch_enc->nof_hwacc > 0) { | ||
| bbdev_config.nof_ldpc_enc_lcores = nof_hwacc_dus * bbdev_app_cfg.pdsch_enc->nof_hwacc; | ||
| } | ||
| if (bbdev_app_cfg.pusch_dec && bbdev_app_cfg.pusch_dec->nof_hwacc > 0) { | ||
| bbdev_config.nof_ldpc_dec_lcores = nof_hwacc_dus * bbdev_app_cfg.pusch_dec->nof_hwacc; | ||
| } | ||
| // If no msg_mbuf size is defined, a worst-case value will be used. | ||
| bbdev_config.msg_mbuf_size = bbdev_app_cfg.msg_mbuf_size.value_or(RTE_BBDEV_LDPC_E_MAX_MBUF); | ||
| // If no rm_mbuf size is defined, a worst-case value will be used. | ||
| bbdev_config.rm_mbuf_size = bbdev_app_cfg.rm_mbuf_size.value_or(RTE_BBDEV_LDPC_E_MAX_MBUF); | ||
| // If no number of mbufs is defined, a worst-case value will be used. | ||
| bbdev_config.nof_mbuf = bbdev_app_cfg.nof_mbuf.value_or(static_cast<unsigned>(pow2(log2_ceil(MAX_NOF_SEGMENTS)))); | ||
| std::shared_ptr<dpdk::bbdev_acc> bbdev_acc = create_bbdev_acc(bbdev_config, logger); | ||
| report_error_if_not(bbdev_acc, "Unable to open the {} hardware-accelerator.", bbdev_app_cfg.hwacc_type); | ||
| return bbdev_acc; | ||
| }(); | ||
|
|
||
| return bbdev_accelerator; | ||
| } | ||
| #endif // DPDK_FOUND | ||
|
|
||
| o_du_low_hal_dependencies srsran::make_du_low_hal_dependencies(const du_low_unit_config& du_low_unit_cfg, | ||
| unsigned nof_cells) | ||
| { | ||
| o_du_low_hal_dependencies hal_dependencies; | ||
|
|
||
| // Initialize hardware-accelerator (only once and if needed). | ||
| #ifdef DPDK_FOUND | ||
| if (du_low_unit_cfg.hal_config && du_low_unit_cfg.hal_config->bbdev_hwacc && | ||
| !du_low_unit_cfg.hal_config->bbdev_hwacc->hwacc_type.empty()) { | ||
| const bbdev_appconfig& bbdev_app_cfg = du_low_unit_cfg.hal_config->bbdev_hwacc.value(); | ||
| srslog::basic_logger& hwacc_logger = srslog::fetch_basic_logger("HWACC", false); | ||
| hwacc_logger.set_level(du_low_unit_cfg.loggers.hal_level); | ||
|
|
||
| // Create a hardware-accelerated PDSCH encoder factory (only if needed). | ||
| if (bbdev_app_cfg.pdsch_enc && bbdev_app_cfg.pdsch_enc->nof_hwacc > 0) { | ||
| hal::bbdev_hwacc_pdsch_enc_factory_configuration hwacc_pdsch_enc_cfg; | ||
| hwacc_pdsch_enc_cfg.acc_type = bbdev_app_cfg.hwacc_type; | ||
| hwacc_pdsch_enc_cfg.bbdev_accelerator = init_bbdev_hwacc(bbdev_app_cfg, hwacc_logger, nof_cells); | ||
| hwacc_pdsch_enc_cfg.cb_mode = bbdev_app_cfg.pdsch_enc->cb_mode; | ||
| // If no maximum buffer size is defined, a worst-case value will be used. | ||
| hwacc_pdsch_enc_cfg.max_tb_size = bbdev_app_cfg.pdsch_enc->max_buffer_size.value_or(RTE_BBDEV_LDPC_E_MAX_MBUF); | ||
| hwacc_pdsch_enc_cfg.dedicated_queue = bbdev_app_cfg.pdsch_enc->dedicated_queue; | ||
| hal_dependencies.hw_encoder_factory = hal::create_bbdev_pdsch_enc_acc_factory(hwacc_pdsch_enc_cfg); | ||
| } | ||
|
|
||
| // // Create a hardware-accelerated PUSCH decoder factory (only if needed). | ||
| if (bbdev_app_cfg.pusch_dec && bbdev_app_cfg.pusch_dec->nof_hwacc > 0) { | ||
| hal::bbdev_hwacc_pusch_dec_factory_configuration hwacc_pusch_dec_cfg; | ||
| std::shared_ptr<hal::ext_harq_buffer_context_repository> harq_buffer_context = nullptr; | ||
| hwacc_pusch_dec_cfg.acc_type = bbdev_app_cfg.hwacc_type; | ||
| hwacc_pusch_dec_cfg.bbdev_accelerator = init_bbdev_hwacc(bbdev_app_cfg, hwacc_logger, nof_cells); | ||
| hwacc_pusch_dec_cfg.ext_softbuffer = bbdev_app_cfg.pusch_dec->ext_softbuffer; | ||
| if (hwacc_pusch_dec_cfg.ext_softbuffer) { | ||
| // Set up an external HARQ buffer context repository. | ||
| unsigned nof_cbs = bbdev_app_cfg.pusch_dec->harq_context_size.value_or(MAX_NOF_SEGMENTS); | ||
| uint64_t ext_harq_buff_size = hwacc_pusch_dec_cfg.bbdev_accelerator->get_harq_buff_size_bytes(); | ||
| harq_buffer_context = hal::create_ext_harq_buffer_context_repository(nof_cbs, ext_harq_buff_size, false); | ||
| report_error_if_not(harq_buffer_context, | ||
| "Unable to create the external HARQ buffer context for the {} hardware-accelerator.", | ||
| bbdev_app_cfg.hwacc_type); | ||
| hwacc_pusch_dec_cfg.harq_buffer_context = harq_buffer_context; | ||
| } | ||
| hwacc_pusch_dec_cfg.dedicated_queue = bbdev_app_cfg.pusch_dec->dedicated_queue; | ||
| hal_dependencies.hw_decoder_factory = hal::create_bbdev_pusch_dec_acc_factory(hwacc_pusch_dec_cfg); | ||
| } | ||
| } | ||
| #endif // DPDK_FOUND | ||
|
|
||
| return hal_dependencies; | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| /* | ||
| * | ||
| * Copyright 2021-2024 Software Radio Systems Limited | ||
| * | ||
| * This file is part of srsRAN. | ||
| * | ||
| * srsRAN is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU Affero General Public License as | ||
| * published by the Free Software Foundation, either version 3 of | ||
| * the License, or (at your option) any later version. | ||
| * | ||
| * srsRAN is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU Affero General Public License for more details. | ||
| * | ||
| * A copy of the GNU Affero General Public License can be found in | ||
| * the LICENSE file in the top-level directory of this distribution | ||
| * and at http://www.gnu.org/licenses/. | ||
| * | ||
| */ | ||
|
|
||
| #pragma once | ||
|
|
||
| #include "du_low_config.h" | ||
| #include "srsran/hal/phy/upper/channel_processors/hw_accelerator_pdsch_enc_factory.h" | ||
| #include "srsran/hal/phy/upper/channel_processors/pusch/hw_accelerator_pusch_dec_factory.h" | ||
| #include "srsran/srslog/srslog.h" | ||
|
|
||
| #ifdef DPDK_FOUND | ||
| #include "srsran/hal/dpdk/bbdev/bbdev_acc.h" | ||
| #endif // DPDK_FOUND | ||
|
|
||
| namespace srsran { | ||
|
|
||
| /// ORAN DU low unit HAL dependencies. | ||
| struct o_du_low_hal_dependencies { | ||
| std::shared_ptr<hal::hw_accelerator_pdsch_enc_factory> hw_encoder_factory = nullptr; | ||
| std::shared_ptr<hal::hw_accelerator_pusch_dec_factory> hw_decoder_factory = nullptr; | ||
| }; | ||
|
|
||
| #ifdef DPDK_FOUND | ||
| /// \brief Creates and initializes a bbdev-based hardware accelerator. | ||
| /// \param[in] bbdev_app_cfg Struct containing the DU low HAL configuration. | ||
| /// \param[in] logger SRS logger. | ||
| /// \param[in] nof_hwacc_dus Number of DU-low instances to be managed by the hardware accelerator. | ||
| /// \return A pointer to the bbdev-based accelerator interface on success, nullptr otherwise. | ||
| static std::shared_ptr<dpdk::bbdev_acc> | ||
| init_bbdev_hwacc(const bbdev_appconfig& bbdev_app_cfg, srslog::basic_logger& logger, unsigned nof_hwacc_dus); | ||
| #endif // DPDK_FOUND | ||
|
|
||
| /// \brief Initializes the HAL depencies of the DU low unit. | ||
| /// \param[out] hal_dependencies Struct containing the DU low unit dependencies. | ||
| /// \param[in] du_low_unit_cfg Struct defining the DU low configuration. | ||
| /// \param[in] nof_cells Number of cells to be handled by the HAL. | ||
| o_du_low_hal_dependencies make_du_low_hal_dependencies(const du_low_unit_config& du_low_unit_cfg, unsigned nof_cells); | ||
|
|
||
| } // namespace srsran |
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