Function swtim_init

dpdk/lib/eventdev/rte_event_timer_adapter.c:906–1009

}

static int
swtim_init(struct rte_event_timer_adapter *adapter)
{
	int i, ret;
	struct swtim *sw;
	unsigned int flags;
	struct rte_service_spec service;

	/* Allocate storage for private data area */
#define SWTIM_NAMESIZE 32
	char swtim_name[SWTIM_NAMESIZE];
	snprintf(swtim_name, SWTIM_NAMESIZE, "swtim_%"PRIu8,
			adapter->data->id);
	sw = rte_zmalloc_socket(swtim_name, sizeof(*sw), RTE_CACHE_LINE_SIZE,
			adapter->data->socket_id);
	if (sw == NULL) {
		EVTIM_LOG_ERR("failed to allocate space for private data");
		rte_errno = ENOMEM;
		return -1;
	}

	/* Connect storage to adapter instance */
	adapter->data->adapter_priv = sw;
	sw->adapter = adapter;

	sw->timer_tick_ns = adapter->data->conf.timer_tick_ns;
	sw->max_tmo_ns = adapter->data->conf.max_tmo_ns;

	/* Create a timer pool */
	char pool_name[SWTIM_NAMESIZE];
	snprintf(pool_name, SWTIM_NAMESIZE, "swtim_pool_%"PRIu8,
		 adapter->data->id);
	/* Optimal mempool size is a power of 2 minus one */
	uint64_t nb_timers = rte_align64pow2(adapter->data->conf.nb_timers);
	int pool_size = nb_timers - 1;
	int cache_size = compute_msg_mempool_cache_size(
				adapter->data->conf.nb_timers, nb_timers);
	flags = 0; /* pool is multi-producer, multi-consumer */
	sw->tim_pool = rte_mempool_create(pool_name, pool_size,
			sizeof(struct rte_timer), cache_size, 0, NULL, NULL,
			NULL, NULL, adapter->data->socket_id, flags);
	if (sw->tim_pool == NULL) {
		EVTIM_LOG_ERR("failed to create timer object mempool");
		rte_errno = ENOMEM;
		goto free_alloc;
	}

	/* Initialize the variables that track in-use timer lists */
	for (i = 0; i < RTE_MAX_LCORE; i++)
		sw->in_use[i].v = 0;

	/* Initialize the timer subsystem and allocate timer data instance */
	ret = rte_timer_subsystem_init();
	if (ret < 0) {
		if (ret != -EALREADY) {
			EVTIM_LOG_ERR("failed to initialize timer subsystem");
			rte_errno = -ret;
			goto free_mempool;