> Add functions of cryptodev create and destroy.
>
> Signed-off-by: Hanxiao Li <li.hanx...@zte.com.cn>
This patch should be your first crypto driver patch as it does the device
initialization.
Please update the list that I commented earlier.
> ---
> drivers/crypto/zsda/zsda_sym_pmd.c | 129 +++++++++++++++++++++++++++++
> drivers/crypto/zsda/zsda_sym_pmd.h | 4 +
> 2 files changed, 133 insertions(+)
>
> diff --git a/drivers/crypto/zsda/zsda_sym_pmd.c
> b/drivers/crypto/zsda/zsda_sym_pmd.c
> index decc3bfb3c..34d46f2972 100644
> --- a/drivers/crypto/zsda/zsda_sym_pmd.c
> +++ b/drivers/crypto/zsda/zsda_sym_pmd.c
> @@ -307,3 +307,132 @@ static struct rte_cryptodev_ops crypto_zsda_ops = {
> .sym_session_configure = zsda_sym_session_configure,
> .sym_session_clear = zsda_sym_session_clear,
> };
> +
> +static uint16_t
> +zsda_sym_pmd_enqueue_op_burst(void *qp, struct rte_crypto_op **ops,
> + uint16_t nb_ops)
> +{
> + return zsda_enqueue_op_burst((struct zsda_qp *)qp, (void **)ops,
> + nb_ops);
> +}
> +
> +static uint16_t
> +zsda_sym_pmd_dequeue_op_burst(void *qp, struct rte_crypto_op **ops,
> + uint16_t nb_ops)
> +{
> + return zsda_dequeue_op_burst((struct zsda_qp *)qp, (void **)ops,
> + nb_ops);
> +}
> +
> +static const char zsda_sym_drv_name[] =
> RTE_STR(CRYPTODEV_NAME_ZSDA_SYM_PMD);
> +static const struct rte_driver cryptodev_zsda_sym_driver = {
> + .name = zsda_sym_drv_name, .alias = zsda_sym_drv_name};
> +
> +int
> +zsda_sym_dev_create(struct zsda_pci_device *zsda_pci_dev)
> +{
> + struct zsda_device_info *dev_info =
> + &zsda_devs[zsda_pci_dev->zsda_dev_id];
> +
> + struct rte_cryptodev_pmd_init_params init_params = {
> + .name = "",
> + .socket_id = (int)rte_socket_id(),
> + .private_data_size = sizeof(struct zsda_sym_dev_private)};
> +
> + char name[RTE_CRYPTODEV_NAME_MAX_LEN];
> + char capa_memz_name[RTE_CRYPTODEV_NAME_MAX_LEN];
> + struct rte_cryptodev *cryptodev;
> + struct zsda_sym_dev_private *sym_priv;
> + const struct rte_cryptodev_capabilities *capabilities;
> + uint64_t capa_size;
> +
> + init_params.max_nb_queue_pairs = zsda_sym_max_nb_qps();
> + snprintf(name, RTE_CRYPTODEV_NAME_MAX_LEN, "%s_%s", zsda_pci_dev-
> >name,
> + "sym_encrypt");
> + ZSDA_LOG(DEBUG, "Creating ZSDA SYM device %s", name);
> +
> + if (rte_eal_process_type() != RTE_PROC_PRIMARY)
> + return ZSDA_SUCCESS;
> +
> + dev_info->sym_rte_dev.driver = &cryptodev_zsda_sym_driver;
> + dev_info->sym_rte_dev.numa_node = dev_info->pci_dev-
> >device.numa_node;
> + dev_info->sym_rte_dev.devargs = NULL;
> +
> + cryptodev = rte_cryptodev_pmd_create(name, &(dev_info->sym_rte_dev),
> + &init_params);
> +
> + if (cryptodev == NULL)
> + return -ENODEV;
> +
> + dev_info->sym_rte_dev.name = cryptodev->data->name;
> + cryptodev->driver_id = zsda_sym_driver_id;
> +
> + cryptodev->dev_ops = &crypto_zsda_ops;
> +
> + cryptodev->enqueue_burst = zsda_sym_pmd_enqueue_op_burst;
> + cryptodev->dequeue_burst = zsda_sym_pmd_dequeue_op_burst;
> +
> + cryptodev->feature_flags = RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO |
> + RTE_CRYPTODEV_FF_SYM_SESSIONLESS |
> + RTE_CRYPTODEV_FF_OOP_LB_IN_LB_OUT |
> + RTE_CRYPTODEV_FF_OOP_LB_IN_SGL_OUT |
> + RTE_CRYPTODEV_FF_OOP_SGL_IN_LB_OUT |
> + RTE_CRYPTODEV_FF_OOP_SGL_IN_SGL_OUT |
> + RTE_CRYPTODEV_FF_HW_ACCELERATED;
> +
> + sym_priv = cryptodev->data->dev_private;
> + sym_priv->zsda_pci_dev = zsda_pci_dev;
> + capabilities = zsda_crypto_sym_capabilities;
> + capa_size = sizeof(zsda_crypto_sym_capabilities);
> +
> + snprintf(capa_memz_name, RTE_CRYPTODEV_NAME_MAX_LEN,
> "ZSDA_SYM_CAPA");
> +
> + sym_priv->capa_mz = rte_memzone_lookup(capa_memz_name);
> + if (sym_priv->capa_mz == NULL)
> + sym_priv->capa_mz = rte_memzone_reserve(
> + capa_memz_name, capa_size, rte_socket_id(), 0);
> +
> + if (sym_priv->capa_mz == NULL) {
> + ZSDA_LOG(ERR, E_MALLOC);
> + goto error;
> + }
> +
> + memcpy(sym_priv->capa_mz->addr, capabilities, capa_size);
> + sym_priv->zsda_dev_capabilities = sym_priv->capa_mz->addr;
> +
> + zsda_pci_dev->sym_dev = sym_priv;
> +
> + return ZSDA_SUCCESS;
> +
> +error:
> +
> + rte_cryptodev_pmd_destroy(cryptodev);
> + memset(&dev_info->sym_rte_dev, 0, sizeof(dev_info->sym_rte_dev));
> +
> + return -EFAULT;
> +}
> +
> +int
> +zsda_sym_dev_destroy(struct zsda_pci_device *zsda_pci_dev)
> +{
> + struct rte_cryptodev *cryptodev;
> +
> + if (zsda_pci_dev == NULL)
> + return -ENODEV;
> + if (zsda_pci_dev->sym_dev == NULL)
> + return ZSDA_SUCCESS;
> + if (rte_eal_process_type() == RTE_PROC_PRIMARY)
> + rte_memzone_free(zsda_pci_dev->sym_dev->capa_mz);
> +
> + cryptodev = rte_cryptodev_pmd_get_dev(zsda_pci_dev->zsda_dev_id);
> +
> + rte_cryptodev_pmd_destroy(cryptodev);
> + zsda_devs[zsda_pci_dev->zsda_dev_id].sym_rte_dev.name = NULL;
> + zsda_pci_dev->sym_dev = NULL;
> +
> + return ZSDA_SUCCESS;
> +}
> +
> +static struct cryptodev_driver zsda_crypto_drv;
> +RTE_PMD_REGISTER_CRYPTO_DRIVER(zsda_crypto_drv,
> cryptodev_zsda_sym_driver,
> + zsda_sym_driver_id);
> diff --git a/drivers/crypto/zsda/zsda_sym_pmd.h
> b/drivers/crypto/zsda/zsda_sym_pmd.h
> index a71b55f8fc..5186feb37e 100644
> --- a/drivers/crypto/zsda/zsda_sym_pmd.h
> +++ b/drivers/crypto/zsda/zsda_sym_pmd.h
> @@ -26,4 +26,8 @@ struct zsda_sym_dev_private {
> /* Shared memzone for storing capabilities */
> };
>
> +int zsda_sym_dev_create(struct zsda_pci_device *zsda_pci_dev);
> +
> +int zsda_sym_dev_destroy(struct zsda_pci_device *zsda_pci_dev);
> +
> #endif /* _ZSDA_SYM_PMD_H_ */
> --
> 2.27.0
