Function mlx5_common_dev_create

dpdk/drivers/common/mlx5/mlx5_common.c:745–794

}

static struct mlx5_common_device *
mlx5_common_dev_create(struct rte_device *eal_dev, uint32_t classes,
		       struct mlx5_kvargs_ctrl *mkvlist)
{
	struct mlx5_common_device *cdev;
	int ret;

	cdev = rte_zmalloc("mlx5_common_device", sizeof(*cdev), 0);
	if (!cdev) {
		DRV_LOG(ERR, "Device allocation failure.");
		rte_errno = ENOMEM;
		return NULL;
	}
	cdev->dev = eal_dev;
	if (rte_eal_process_type() != RTE_PROC_PRIMARY)
		goto exit;
	/* Parse device parameters. */
	ret = mlx5_common_config_get(mkvlist, &cdev->config);
	if (ret < 0) {
		DRV_LOG(ERR, "Failed to process device arguments: %s",
			strerror(rte_errno));
		rte_free(cdev);
		return NULL;
	}
	mlx5_malloc_mem_select(cdev->config.sys_mem_en);
	/* Initialize all HW global of device context. */
	ret = mlx5_dev_hw_global_prepare(cdev, classes);
	if (ret) {
		DRV_LOG(ERR, "Failed to initialize device context.");
		rte_free(cdev);
		return NULL;
	}
	/* Initialize global MR cache resources and update its functions. */
	ret = mlx5_mr_create_cache(&cdev->mr_scache, eal_dev->numa_node);
	if (ret) {
		DRV_LOG(ERR, "Failed to initialize global MR share cache.");
		mlx5_dev_hw_global_release(cdev);
		rte_free(cdev);
		return NULL;
	}
	/* Register callback function for global shared MR cache management. */
	if (TAILQ_EMPTY(&devices_list))
		rte_mem_event_callback_register("MLX5_MEM_EVENT_CB",
						mlx5_mr_mem_event_cb, NULL);
exit:
	pthread_mutex_lock(&devices_list_lock);
	TAILQ_INSERT_HEAD(&devices_list, cdev, next);
	pthread_mutex_unlock(&devices_list_lock);
	return cdev;
}

/**
 * Validate common devargs when probing again.