Function rte_event_maintain

dpdk/lib/eventdev/rte_eventdev.h:2481–2506

* Maintain an event device. * * This function is only relevant for event devices which do not have * the @ref RTE_EVENT_DEV_CAP_MAINTENANCE_FREE flag set. Such devices * require an application thread using a particular port to * periodically call rte_event_maintain() on that port during periods * which it is neither attempting to enqueue events to nor dequeue * events from the port. rte_eve

 * @see RTE_EVENT_DEV_CAP_MAINTENANCE_FREE
 */
static inline int
rte_event_maintain(uint8_t dev_id, uint8_t port_id, int op)
{
	const struct rte_event_fp_ops *fp_ops;
	void *port;

	fp_ops = &rte_event_fp_ops[dev_id];
	port = fp_ops->data[port_id];
#ifdef RTE_LIBRTE_EVENTDEV_DEBUG
	if (dev_id >= RTE_EVENT_MAX_DEVS ||
	    port_id >= RTE_EVENT_MAX_PORTS_PER_DEV)
		return -EINVAL;

	if (port == NULL)
		return -EINVAL;

	if (op & (~RTE_EVENT_DEV_MAINT_OP_FLUSH))
		return -EINVAL;
#endif
	rte_eventdev_trace_maintain(dev_id, port_id, op);

	if (fp_ops->maintain != NULL)
		fp_ops->maintain(port, op);

	return 0;
}

/**
 * Change the active profile on an event port.