Re: [PATCH v2 resend] crypto/uadk: set queue pair in dev_configure

[Zhangfei Gao <zhangfei.gao@linaro.org>]

Hi, Akhil


在 2023/6/2 11:04, Zhangfei Gao 写道:
> By default, uadk only alloc two queues for each algorithm, which
> will impact performance.
> Set queue pair number as required in dev_configure.
> The default max queue pair number is 8, which can be modified
> via para: max_nb_queue_pairs
>
> Example:
> sudo dpdk-test-crypto-perf -l 0-10 --vdev crypto_uadk,max_nb_queue_pairs=10
> 	-- --devtype crypto_uadk --optype cipher-only --buffer-sz 8192
>
> Signed-off-by: Zhangfei Gao <zhangfei.gao@linaro.org>


Would you mind taking a look at this patch?


The ci test supposes no problem.

https://lab.dpdk.org/results/dashboard/patchsets/26502/


Thanks



> ---
>   doc/guides/cryptodevs/uadk.rst                | 27 +++++++++++++++++++
>   drivers/crypto/uadk/uadk_crypto_pmd.c         | 18 +++++++++++--
>   drivers/crypto/uadk/uadk_crypto_pmd_private.h |  1 +
>   3 files changed, 44 insertions(+), 2 deletions(-)
>
> diff --git a/doc/guides/cryptodevs/uadk.rst b/doc/guides/cryptodevs/uadk.rst
> index 9af6b88a5a..053622f7bf 100644
> --- a/doc/guides/cryptodevs/uadk.rst
> +++ b/doc/guides/cryptodevs/uadk.rst
> @@ -110,3 +110,30 @@ Test steps
>         sudo dpdk-test --vdev=crypto_uadk --log-level=6
>         RTE>>cryptodev_uadk_autotest
>         RTE>>quit
> +
> +
> +Initialization
> +--------------
> +
> +To use the PMD in an application, user must:
> +
> +* Call rte_vdev_init("crypto_uadk") within the application.
> +
> +* Use --vdev="crypto_uadk" in the EAL options, which will call rte_vdev_init() internally.
> +
> +The following parameters (all optional) can be provided in the previous two calls:
> +
> +* max_nb_queue_pairs: Specify the maximum number of queue pairs in the device (8 by default).
> +  The max value of max_nb_queue_pairs can be queried from the device property available_instances.
> +  Property available_instances value may differ from the devices and platforms.
> +  Allocating queue pairs bigger than available_instances will fail.
> +
> +Example:
> +
> +.. code-block:: console
> +
> +	cat /sys/class/uacce/hisi_sec2-2/available_instances
> +	256
> +
> +	sudo dpdk-test-crypto-perf -l 0-10 --vdev crypto_uadk,max_nb_queue_pairs=10 \
> +		-- --devtype crypto_uadk --optype cipher-only --buffer-sz 8192
> diff --git a/drivers/crypto/uadk/uadk_crypto_pmd.c b/drivers/crypto/uadk/uadk_crypto_pmd.c
> index 4f729e0f07..824383512e 100644
> --- a/drivers/crypto/uadk/uadk_crypto_pmd.c
> +++ b/drivers/crypto/uadk/uadk_crypto_pmd.c
> @@ -357,8 +357,15 @@ static const struct rte_cryptodev_capabilities uadk_crypto_v2_capabilities[] = {
>   /* Configure device */
>   static int
>   uadk_crypto_pmd_config(struct rte_cryptodev *dev __rte_unused,
> -		       struct rte_cryptodev_config *config __rte_unused)
> +		       struct rte_cryptodev_config *config)
>   {
> +	char env[128];
> +
> +	/* set queue pairs num via env */
> +	sprintf(env, "sync:%d@0", config->nb_queue_pairs);
> +	setenv("WD_CIPHER_CTX_NUM", env, 1);
> +	setenv("WD_DIGEST_CTX_NUM", env, 1);
> +
>   	return 0;
>   }
>   
> @@ -434,7 +441,7 @@ uadk_crypto_pmd_info_get(struct rte_cryptodev *dev,
>   	if (dev_info != NULL) {
>   		dev_info->driver_id = dev->driver_id;
>   		dev_info->driver_name = dev->device->driver->name;
> -		dev_info->max_nb_queue_pairs = 128;
> +		dev_info->max_nb_queue_pairs = priv->max_nb_qpairs;
>   		/* No limit of number of sessions */
>   		dev_info->sym.max_nb_sessions = 0;
>   		dev_info->feature_flags = dev->feature_flags;
> @@ -1015,6 +1022,7 @@ uadk_cryptodev_probe(struct rte_vdev_device *vdev)
>   	struct uadk_crypto_priv *priv;
>   	struct rte_cryptodev *dev;
>   	struct uacce_dev *udev;
> +	const char *input_args;
>   	const char *name;
>   
>   	udev = wd_get_accel_dev("cipher");
> @@ -1030,6 +1038,9 @@ uadk_cryptodev_probe(struct rte_vdev_device *vdev)
>   	if (name == NULL)
>   		return -EINVAL;
>   
> +	input_args = rte_vdev_device_args(vdev);
> +	rte_cryptodev_pmd_parse_input_args(&init_params, input_args);
> +
>   	dev = rte_cryptodev_pmd_create(name, &vdev->device, &init_params);
>   	if (dev == NULL) {
>   		UADK_LOG(ERR, "driver %s: create failed", init_params.name);
> @@ -1044,6 +1055,7 @@ uadk_cryptodev_probe(struct rte_vdev_device *vdev)
>   			     RTE_CRYPTODEV_FF_SYMMETRIC_CRYPTO;
>   	priv = dev->data->dev_private;
>   	priv->version = version;
> +	priv->max_nb_qpairs = init_params.max_nb_queue_pairs;
>   
>   	rte_cryptodev_pmd_probing_finish(dev);
>   
> @@ -1078,4 +1090,6 @@ static struct cryptodev_driver uadk_crypto_drv;
>   RTE_PMD_REGISTER_VDEV(UADK_CRYPTO_DRIVER_NAME, uadk_crypto_pmd);
>   RTE_PMD_REGISTER_CRYPTO_DRIVER(uadk_crypto_drv, uadk_crypto_pmd.driver,
>   			       uadk_cryptodev_driver_id);
> +RTE_PMD_REGISTER_PARAM_STRING(UADK_CRYPTO_DRIVER_NAME,
> +			      "max_nb_queue_pairs=<int>");
>   RTE_LOG_REGISTER_DEFAULT(uadk_crypto_logtype, INFO);
> diff --git a/drivers/crypto/uadk/uadk_crypto_pmd_private.h b/drivers/crypto/uadk/uadk_crypto_pmd_private.h
> index 9075f0f058..5a7dbff117 100644
> --- a/drivers/crypto/uadk/uadk_crypto_pmd_private.h
> +++ b/drivers/crypto/uadk/uadk_crypto_pmd_private.h
> @@ -67,6 +67,7 @@ struct uadk_crypto_priv {
>   	bool env_cipher_init;
>   	bool env_auth_init;
>   	enum uadk_crypto_version version;
> +	unsigned int max_nb_qpairs;
>   } __rte_cache_aligned;
>   
>   extern int uadk_crypto_logtype;