コード例 #1
0
ファイル: lthread_sched.c プロジェクト: DrenfongWong/dpdk
/*
 * Wait for all schedulers to start
 */
static inline void _lthread_schedulers_sync_start(void)
{
	rte_atomic16_inc(&active_schedulers);

	/* wait for lthread schedulers
	 * Note we use sched_yield() rather than pthread_yield() to allow
	 * for the possibility of a pthread wrapper on lthread_yield(),
	 * something that is not possible unless the scheduler is running.
	 */
	while (rte_atomic16_read(&active_schedulers) <
	       rte_atomic16_read(&num_schedulers))
		sched_yield();

}
コード例 #2
0
ファイル: lthread_sched.c プロジェクト: DrenfongWong/dpdk
/**
 * shutdown all schedulers
 */
void lthread_scheduler_shutdown_all(void)
{
	uint64_t i;

	/*
	 * give time for all schedulers to have started
	 * Note we use sched_yield() rather than pthread_yield() to allow
	 * for the possibility of a pthread wrapper on lthread_yield(),
	 * something that is not possible unless the scheduler is running.
	 */
	while (rte_atomic16_read(&active_schedulers) <
	       rte_atomic16_read(&num_schedulers))
		sched_yield();

	for (i = 0; i < LTHREAD_MAX_LCORES; i++) {
		if (schedcore[i] != NULL)
			schedcore[i]->run_flag = 0;
	}
}
コード例 #3
0
ファイル: qat_qp.c プロジェクト: 0day-ci/dpdk
int qat_crypto_sym_qp_release(struct rte_cryptodev *dev, uint16_t queue_pair_id)
{
	struct qat_qp *qp =
			(struct qat_qp *)dev->data->queue_pairs[queue_pair_id];

	PMD_INIT_FUNC_TRACE();
	if (qp == NULL) {
		PMD_DRV_LOG(DEBUG, "qp already freed");
		return 0;
	}

	/* Don't free memory if there are still responses to be processed */
	if (rte_atomic16_read(&(qp->inflights16)) == 0) {
		qat_queue_delete(&(qp->tx_q));
		qat_queue_delete(&(qp->rx_q));
	} else {
		return -EAGAIN;
	}

	adf_queue_arb_disable(&(qp->tx_q), qp->mmap_bar_addr);
	rte_free(qp);
	dev->data->queue_pairs[queue_pair_id] = NULL;
	return 0;
}
コード例 #4
0
ファイル: lthread_sched.c プロジェクト: DrenfongWong/dpdk
/*
 * Return the number of schedulers active
 */
int lthread_active_schedulers(void)
{
	return (int)rte_atomic16_read(&active_schedulers);
}
コード例 #5
0
ファイル: lthread_sched.c プロジェクト: DrenfongWong/dpdk
/*
 * Set the number of schedulers in the system
 */
int lthread_num_schedulers_set(int num)
{
	rte_atomic16_set(&num_schedulers, num);
	return (int)rte_atomic16_read(&num_schedulers);
}