Hi Arek,
> -----Original Message-----
> From: Kusztal, ArkadiuszX <arkadiuszx.kusz...@intel.com>
> Sent: Wednesday, June 10, 2020 7:53 PM
> To: dev@dpdk.org
> Cc: akhil.go...@nxp.com; Trahe, Fiona <fiona.tr...@intel.com>;
> arkaduszx.kusz...@intel.com
> Subject: [PATCH 1/2] cryptodev: add function to check if qp was setup
>
> From: Fiona Trahe <fiona.tr...@intel.com>
>
> This patch adds function that can check if queue pair
> was already setup. This may be useful when dealing with
> multi process approach in cryptodev.
>
> Signed-off-by: Fiona Trahe <fiona.tr...@intel.com>
> ---
> lib/librte_cryptodev/rte_cryptodev.c | 28 ++++++++++++++++++++++++++++
> lib/librte_cryptodev/rte_cryptodev.h | 14 ++++++++++++++
> 2 files changed, 42 insertions(+)
>
> diff --git a/lib/librte_cryptodev/rte_cryptodev.c
> b/lib/librte_cryptodev/rte_cryptodev.c
> index e37b83a..705387b 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.c
> +++ b/lib/librte_cryptodev/rte_cryptodev.c
> @@ -1080,6 +1080,34 @@ rte_cryptodev_close(uint8_t dev_id)
> }
>
> int
> +rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
[Fiona] This should be marked as experimental & added to map file
> +{
> + struct rte_cryptodev *dev;
> +
> + if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
> + CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
> + return -(ENODEV);
> + }
> +
> + dev = &rte_crypto_devices[dev_id];
> + if (queue_pair_id >= dev->data->nb_queue_pairs) {
> + CDEV_LOG_ERR("Invalid queue_pair_id=%d", queue_pair_id);
> + return -(ENODEV);
[Fiona] -EINVAL would be more appropriate here
> + }
> + void **qps = dev->data->queue_pairs;
> +
> + if (qps[queue_pair_id]) {
> + CDEV_LOG_INFO("qp %d on dev %d is initialised",
[Fiona] This and below should use CDEV_LOG_DEBUG
> + queue_pair_id, dev_id);
> + return 1;
> + }
> +
> + CDEV_LOG_INFO("qp %d on dev %d is not initialised",
> + queue_pair_id, dev_id);
> + return 0;
> +}
> +
> +int
> rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t queue_pair_id,
> const struct rte_cryptodev_qp_conf *qp_conf, int socket_id)
>
> diff --git a/lib/librte_cryptodev/rte_cryptodev.h
> b/lib/librte_cryptodev/rte_cryptodev.h
> index 4aaee73..d01a658 100644
> --- a/lib/librte_cryptodev/rte_cryptodev.h
> +++ b/lib/librte_cryptodev/rte_cryptodev.h
> @@ -727,6 +727,20 @@ rte_cryptodev_queue_pair_setup(uint8_t dev_id, uint16_t
> queue_pair_id,
> const struct rte_cryptodev_qp_conf *qp_conf, int socket_id);
>
> /**
> + * Get the status of queue pairs setup on a specific crypto device
> + *
> + * @param dev_id Crypto device identifier.
> + * @param queue_pair_id The index of the queue pair to check.
> + *
> + * @return
> + * - 0: qp was not configured
> + * - 1: qp was configured
> + * - -ENODEV: device was not configured
> + */
> +int
> +rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id);
> +
> +/**
> * Get the number of queue pairs on a specific crypto device
> *
> * @param dev_id Crypto device identifier.
> --
> 2.1.0
