+static int
+ena_dev_reset(struct rte_eth_dev *dev)
+{
+ struct rte_mempool *mb_pool_rx[ENA_MAX_NUM_QUEUES];
+ struct rte_eth_dev *eth_dev;
+ struct rte_pci_device *pci_dev;
+ struct rte_intr_handle *intr_handle;
+ struct ena_com_dev *ena_dev;
+ struct ena_com_dev_get_features_ctx get_feat_ctx;
+ struct ena_adapter *adapter;
+ int nb_queues;
+ int rc, i;
+ bool wd_state;
+
+ adapter = (struct ena_adapter *)(dev->data->dev_private);
+ ena_dev = &adapter->ena_dev;
+ eth_dev = adapter->rte_dev;
+ pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
+ intr_handle = &pci_dev->intr_handle;
+ nb_queues = eth_dev->data->nb_rx_queues;
+
+ ena_com_set_admin_running_state(ena_dev, false);
+
+ ena_com_dev_reset(ena_dev, adapter->reset_reason);
+
+ for (i = 0; i < nb_queues; i++)
+ mb_pool_rx[i] = adapter->rx_ring[i].mb_pool;
+
+ ena_rx_queue_release_all(eth_dev);
+ ena_tx_queue_release_all(eth_dev);
+
+ rte_intr_disable(intr_handle);
+
+ ena_com_abort_admin_commands(ena_dev);
+ ena_com_wait_for_abort_completion(ena_dev);
+ ena_com_admin_destroy(ena_dev);
+ ena_com_mmio_reg_read_request_destroy(ena_dev);
+
+ rc = ena_device_init(ena_dev, &get_feat_ctx, &wd_state);
+ if (rc) {
+ PMD_INIT_LOG(CRIT, "Cannot initialize device\n");
+ return rc;
+ }
+ adapter->wd_state = wd_state;
+
+ rte_intr_enable(intr_handle);
+ ena_com_set_admin_polling_mode(ena_dev, false);
+ ena_com_admin_aenq_enable(ena_dev);
+
+ for (i = 0; i < nb_queues; ++i)
+ ena_rx_queue_setup(eth_dev, i, adapter->rx_ring_size, 0, NULL,
+ mb_pool_rx[i]);
+
+ for (i = 0; i < nb_queues; ++i)
+ ena_tx_queue_setup(eth_dev, i, adapter->tx_ring_size, 0, NULL);
+
+ adapter->trigger_reset = false;
+
+ return 0;
+}
+