Function timvf_ring_create

dpdk/drivers/event/octeontx/timvf_evdev.c:225–362

}

static int
timvf_ring_create(struct rte_event_timer_adapter *adptr)
{
	struct rte_event_timer_adapter_conf *rcfg = &adptr->data->conf;
	uint16_t free_idx = UINT16_MAX;
	unsigned int mp_flags = 0;
	struct ssovf_evdev *edev;
	struct timvf_ring *timr;
	const char *mempool_ops;
	uint8_t tim_ring_id;
	char pool_name[25];
	int i, ret;

	tim_ring_id = timvf_get_ring();
	if (tim_ring_id == UINT8_MAX)
		return -ENODEV;

	edev = ssovf_pmd_priv(event_dev);
	timr = rte_zmalloc("octeontx_timvf_priv",
			sizeof(struct timvf_ring), 0);
	if (timr == NULL)
		return -ENOMEM;

	adptr->data->adapter_priv = timr;
	/* Check config parameters. */
	if ((rcfg->clk_src != RTE_EVENT_TIMER_ADAPTER_CPU_CLK) &&
			(!rcfg->timer_tick_ns ||
			 rcfg->timer_tick_ns < TIM_MIN_INTERVAL)) {
		timvf_log_err("Too low timer ticks");
		goto cfg_err;
	}

	timr->clk_src = (int) rcfg->clk_src;
	timr->tim_ring_id = tim_ring_id;
	timr->tck_nsec = RTE_ALIGN_MUL_CEIL(rcfg->timer_tick_ns, 10);
	timr->max_tout = rcfg->max_tmo_ns;
	timr->nb_bkts = (timr->max_tout / timr->tck_nsec);
	timr->vbar0 = timvf_bar(timr->tim_ring_id, 0);
	timr->bkt_pos = (uint8_t *)timr->vbar0 + TIM_VRING_REL;
	timr->nb_timers = rcfg->nb_timers;
	timr->get_target_bkt = bkt_mod;

	if (edev->available_events < timr->nb_timers) {
		timvf_log_err(
			"Max available events %"PRIu32" requested timer events %"PRIu64"",
			edev->available_events, timr->nb_timers);
		return -ENOMEM;
	}

	for (i = 0; i < edev->tim_ring_cnt; i++) {
		if (edev->tim_ring_ids[i] == UINT16_MAX)
			free_idx = i;
	}

	if (free_idx == UINT16_MAX) {
		void *old_ptr;

		edev->tim_ring_cnt++;