C++ (Cpp) mlx5_unmap_free_uarの例

コード例 #1

ファイル: en_main.c プロジェクト: Dyoed/ath

static void mlx5e_destroy_sq(struct mlx5e_sq *sq)
{
	struct mlx5e_channel *c = sq->channel;
	struct mlx5e_priv *priv = c->priv;

	mlx5e_free_sq_db(sq);
	mlx5_wq_destroy(&sq->wq_ctrl);
	mlx5_unmap_free_uar(priv->mdev, &sq->uar);
}

コード例 #2

ファイル: en_main.c プロジェクト: Kirill2013/kasan

static int mlx5e_create_sq(struct mlx5e_channel *c,
			   int tc,
			   struct mlx5e_sq_param *param,
			   struct mlx5e_sq *sq)
{
	struct mlx5e_priv *priv = c->priv;
	struct mlx5_core_dev *mdev = priv->mdev;

	void *sqc = param->sqc;
	void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq);
	int txq_ix;
	int err;

	err = mlx5_alloc_map_uar(mdev, &sq->uar);
	if (err)
		return err;

	err = mlx5_wq_cyc_create(mdev, &param->wq, sqc_wq, &sq->wq,
				 &sq->wq_ctrl);
	if (err)
		goto err_unmap_free_uar;

	sq->wq.db       = &sq->wq.db[MLX5_SND_DBR];
	sq->uar_map     = sq->uar.map;
	sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2;

	err = mlx5e_alloc_sq_db(sq, cpu_to_node(c->cpu));
	if (err)
		goto err_sq_wq_destroy;

	txq_ix = c->ix + tc * priv->params.num_channels;
	sq->txq = netdev_get_tx_queue(priv->netdev, txq_ix);

	sq->pdev    = c->pdev;
	sq->mkey_be = c->mkey_be;
	sq->channel = c;
	sq->tc      = tc;
	sq->edge    = (sq->wq.sz_m1 + 1) - MLX5_SEND_WQE_MAX_WQEBBS;
	priv->txq_to_sq_map[txq_ix] = sq;

	return 0;

err_sq_wq_destroy:
	mlx5_wq_destroy(&sq->wq_ctrl);

err_unmap_free_uar:
	mlx5_unmap_free_uar(mdev, &sq->uar);

	return err;
}