C++ (Cpp) mlx4_HW2SW_CQ Examples

Example #1

File: cq.c Project: Cai900205/test

void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq, int flags)
{
	struct mlx4_priv *priv = mlx4_priv(dev);
	struct mlx4_cq_table *cq_table = &priv->cq_table;
	int err;

	err = mlx4_HW2SW_CQ(dev, NULL, cq->cqn);
	if (err)
		mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn);

	synchronize_irq(priv->eq_table.eq[cq->vector].irq);
	spin_lock_irq(&cq_table->lock);
	radix_tree_delete(&cq_table->tree, cq->cqn);
	spin_unlock_irq(&cq_table->lock);
	if (flags & MLX4_RCU_USE_EXPEDITED)
		synchronize_rcu_expedited();
	else
		synchronize_rcu();

	mlx4_cq_free_icm(dev, cq->cqn);
}

Example #2

File: cq.c Project: Niisp/MT6795.kernel

void mlx4_cq_free(struct mlx4_dev *dev, struct mlx4_cq *cq)
{
    struct mlx4_priv *priv = mlx4_priv(dev);
    struct mlx4_cq_table *cq_table = &priv->cq_table;
    int err;

    err = mlx4_HW2SW_CQ(dev, NULL, cq->cqn);
    if (err)
        mlx4_warn(dev, "HW2SW_CQ failed (%d) for CQN %06x\n", err, cq->cqn);

    synchronize_irq(priv->eq_table.eq[cq->vector].irq);

    spin_lock_irq(&cq_table->lock);
    radix_tree_delete(&cq_table->tree, cq->cqn);
    spin_unlock_irq(&cq_table->lock);

    if (atomic_dec_and_test(&cq->refcount))
        complete(&cq->free);
    wait_for_completion(&cq->free);

    mlx4_cq_free_icm(dev, cq->cqn);
}