drivers/crypto/qat/qat_device.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2018 Intel Corporation
   3  */
   4
   5 #include "qat_device.h"
   6 #include "adf_transport_access_macros.h"
   7 #include "qat_qp.h"
   8
   9 /* Hardware device information per generation */
  10 __extension__
  11 struct qat_gen_hw_data qp_gen_config[] =  {
  12         [QAT_GEN1] = {
  13                 .dev_gen = QAT_GEN1,
  14                 .qp_hw_data = qat_gen1_qps,
  15         },
  16         [QAT_GEN2] = {
  17                 .dev_gen = QAT_GEN2,
  18                 .qp_hw_data = qat_gen1_qps,
  19                 /* gen2 has same ring layout as gen1 */
  20         },
  21 };
  22
  23 int qat_dev_config(__rte_unused struct rte_cryptodev *dev,
  24                 __rte_unused struct rte_cryptodev_config *config)
  25 {
  26         PMD_INIT_FUNC_TRACE();
  27         return 0;
  28 }
  29
  30 int qat_dev_start(__rte_unused struct rte_cryptodev *dev)
  31 {
  32         PMD_INIT_FUNC_TRACE();
  33         return 0;
  34 }
  35
  36 void qat_dev_stop(__rte_unused struct rte_cryptodev *dev)
  37 {
  38         PMD_INIT_FUNC_TRACE();
  39 }
  40
  41 int qat_dev_close(struct rte_cryptodev *dev)
  42 {
  43         int i, ret;
  44
  45         PMD_INIT_FUNC_TRACE();
  46
  47         for (i = 0; i < dev->data->nb_queue_pairs; i++) {
  48                 ret = qat_sym_qp_release(dev, i);
  49                 if (ret < 0)
  50                         return ret;
  51         }
  52
  53         return 0;
  54 }
  55
  56 void qat_dev_info_get(struct rte_cryptodev *dev,
  57                         struct rte_cryptodev_info *info)
  58 {
  59         struct qat_pmd_private *internals = dev->data->dev_private;
  60         const struct qat_qp_hw_data *sym_hw_qps =
  61                 qp_gen_config[internals->qat_dev_gen]
  62                               .qp_hw_data[QAT_SERVICE_SYMMETRIC];
  63
  64         PMD_INIT_FUNC_TRACE();
  65         if (info != NULL) {
  66                 info->max_nb_queue_pairs =
  67                         qat_qps_per_service(sym_hw_qps, QAT_SERVICE_SYMMETRIC);
  68                 info->feature_flags = dev->feature_flags;
  69                 info->capabilities = internals->qat_dev_capabilities;
  70                 info->sym.max_nb_sessions = internals->max_nb_sessions;
  71                 info->driver_id = cryptodev_qat_driver_id;
  72                 info->pci_dev = RTE_DEV_TO_PCI(dev->device);
  73         }
  74 }