Function drivers_probe

dpdk/drivers/common/mlx5/mlx5_common.c:917–958

}

static int
drivers_probe(struct mlx5_common_device *cdev, uint32_t user_classes,
	      struct mlx5_kvargs_ctrl *mkvlist)
{
	struct mlx5_class_driver *driver;
	uint32_t enabled_classes = 0;
	bool already_loaded;
	int ret = -EINVAL;

	TAILQ_FOREACH(driver, &drivers_list, next) {
		if ((driver->drv_class & user_classes) == 0)
			continue;
		if (!mlx5_bus_match(driver, cdev->dev))
			continue;
		already_loaded = cdev->classes_loaded & driver->drv_class;
		if (already_loaded && driver->probe_again == 0) {
			DRV_LOG(ERR, "Device %s is already probed",
				cdev->dev->name);
			ret = -EEXIST;
			goto probe_err;
		}
		ret = driver->probe(cdev, mkvlist);
		if (ret < 0) {
			DRV_LOG(ERR, "Failed to load driver %s",
				driver->name);
			goto probe_err;
		}
		enabled_classes |= driver->drv_class;
	}
	if (!ret) {
		cdev->classes_loaded |= enabled_classes;
		return 0;
	}
probe_err:
	/*
	 * Need to remove only drivers which were not probed before this probe
	 * instance, but have already been probed before this failure.
	 */
	enabled_classes &= ~cdev->classes_loaded;
	drivers_remove(cdev, enabled_classes);
	return ret;
}

int
mlx5_common_dev_probe(struct rte_device *eal_dev)