cryptodev: add function to check queue pair status

[dpdk.git] / lib / librte_cryptodev / rte_cryptodev.c

diff --git a/lib/librte_cryptodev/rte_cryptodev.c b/lib/librte_cryptodev/rte_cryptodev.c
index 9ea4ece..33ced00 100644 (file)
--- a/lib/librte_cryptodev/rte_cryptodev.c
+++ b/lib/librte_cryptodev/rte_cryptodev.c
@@ -1079,6 +1079,35 @@ rte_cryptodev_close(uint8_t dev_id)
        return 0;
 }
 
+int
+rte_cryptodev_get_qp_status(uint8_t dev_id, uint16_t queue_pair_id)
+{
+       struct rte_cryptodev *dev;
+
+       if (!rte_cryptodev_pmd_is_valid_dev(dev_id)) {
+               CDEV_LOG_ERR("Invalid dev_id=%" PRIu8, dev_id);
+               return -EINVAL;
+       }
+
+       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 -EINVAL;
+       }
+       void **qps = dev->data->queue_pairs;
+
+       if (qps[queue_pair_id]) {
+               CDEV_LOG_DEBUG("qp %d on dev %d is initialised",
+                       queue_pair_id, dev_id);
+               return 1;
+       }
+
+       CDEV_LOG_DEBUG("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)