mirror of https://github.com/F-Stack/f-stack.git
139 lines
4.5 KiB
C
139 lines
4.5 KiB
C
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/*-
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* BSD LICENSE
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*
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* Copyright(c) 2015-2016 Intel Corporation. All rights reserved.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rte_common.h>
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#include <rte_dev.h>
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#include <rte_malloc.h>
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#include <rte_cryptodev_pmd.h>
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#include "qat_crypto.h"
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#include "qat_logs.h"
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static struct rte_cryptodev_ops crypto_qat_ops = {
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/* Device related operations */
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.dev_configure = qat_dev_config,
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.dev_start = qat_dev_start,
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.dev_stop = qat_dev_stop,
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.dev_close = qat_dev_close,
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.dev_infos_get = qat_dev_info_get,
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.stats_get = qat_crypto_sym_stats_get,
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.stats_reset = qat_crypto_sym_stats_reset,
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.queue_pair_setup = qat_crypto_sym_qp_setup,
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.queue_pair_release = qat_crypto_sym_qp_release,
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.queue_pair_start = NULL,
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.queue_pair_stop = NULL,
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.queue_pair_count = NULL,
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/* Crypto related operations */
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.session_get_size = qat_crypto_sym_get_session_private_size,
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.session_configure = qat_crypto_sym_configure_session,
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.session_initialize = qat_crypto_sym_session_init,
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.session_clear = qat_crypto_sym_clear_session
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};
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/*
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* The set of PCI devices this driver supports
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*/
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static struct rte_pci_id pci_id_qat_map[] = {
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{
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RTE_PCI_DEVICE(0x8086, 0x0443),
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},
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{.device_id = 0},
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};
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static int
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crypto_qat_dev_init(__attribute__((unused)) struct rte_cryptodev_driver *crypto_drv,
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struct rte_cryptodev *cryptodev)
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{
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struct qat_pmd_private *internals;
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PMD_INIT_FUNC_TRACE();
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PMD_DRV_LOG(DEBUG, "Found crypto device at %02x:%02x.%x",
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cryptodev->pci_dev->addr.bus,
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cryptodev->pci_dev->addr.devid,
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cryptodev->pci_dev->addr.function);
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cryptodev->dev_type = RTE_CRYPTODEV_QAT_SYM_PMD;
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cryptodev->dev_ops = &crypto_qat_ops;
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cryptodev->enqueue_burst = qat_pmd_enqueue_op_burst;
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cryptodev->dequeue_burst = qat_pmd_dequeue_op_burst;
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cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
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RTE_CRYPTODEV_FF_HW_ACCELERATED |
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RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING;
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internals = cryptodev->data->dev_private;
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internals->max_nb_sessions = RTE_QAT_PMD_MAX_NB_SESSIONS;
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/*
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* For secondary processes, we don't initialise any further as primary
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* has already done this work. Only check we don't need a different
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* RX function
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*/
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if (rte_eal_process_type() != RTE_PROC_PRIMARY) {
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PMD_DRV_LOG(DEBUG, "Device already initialised by primary process");
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return 0;
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}
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return 0;
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}
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static struct rte_cryptodev_driver rte_qat_pmd = {
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{
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.id_table = pci_id_qat_map,
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.drv_flags = RTE_PCI_DRV_NEED_MAPPING,
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},
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.cryptodev_init = crypto_qat_dev_init,
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.dev_private_size = sizeof(struct qat_pmd_private),
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};
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static int
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rte_qat_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
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{
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PMD_INIT_FUNC_TRACE();
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return rte_cryptodev_pmd_driver_register(&rte_qat_pmd, PMD_PDEV);
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}
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static struct rte_driver pmd_qat_drv = {
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.type = PMD_PDEV,
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.init = rte_qat_pmd_init,
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};
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PMD_REGISTER_DRIVER(pmd_qat_drv, CRYPTODEV_NAME_QAT_SYM_PMD);
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DRIVER_REGISTER_PCI_TABLE(CRYPTODEV_NAME_QAT_SYM_PMD, pci_id_qat_map);
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