vdpa/mlx5: Rename control VQ workqueue to vdpa wq

A subesequent patch will use the same workqueue for executing other
work not related to control VQ. Rename the workqueue and the work queue
entry used to convey information to the workqueue.
Signed-off-by: Eli Cohen <elic@nvidia.com>
Link: https://lore.kernel.org/r/20210909123635.30884-3-elic@nvidia.comSigned-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Jason Wang <jasowang@redhat.com>

drivers/vdpa/mlx5/core/mlx5_vdpa.h

@@ -63,7 +63,7 @@ struct mlx5_control_vq {
 	unsigned short head;
 };
 
-struct mlx5_ctrl_wq_ent {
+struct mlx5_vdpa_wq_ent {
 	struct work_struct work;
 	struct mlx5_vdpa_dev *mvdev;
 };

drivers/vdpa/mlx5/net/mlx5_vnet.c

@@ -1556,14 +1556,14 @@ static void mlx5_cvq_kick_handler(struct work_struct *work)
 {
 	virtio_net_ctrl_ack status = VIRTIO_NET_ERR;
 	struct virtio_net_ctrl_hdr ctrl;
-	struct mlx5_ctrl_wq_ent *wqent;
+	struct mlx5_vdpa_wq_ent *wqent;
 	struct mlx5_vdpa_dev *mvdev;
 	struct mlx5_control_vq *cvq;
 	struct mlx5_vdpa_net *ndev;
 	size_t read, write;
 	int err;
 
-	wqent = container_of(work, struct mlx5_ctrl_wq_ent, work);
+	wqent = container_of(work, struct mlx5_vdpa_wq_ent, work);
 	mvdev = wqent->mvdev;
 	ndev = to_mlx5_vdpa_ndev(mvdev);
 	cvq = &mvdev->cvq;
@@ -1615,7 +1615,7 @@ static void mlx5_vdpa_kick_vq(struct vdpa_device *vdev, u16 idx)
 	struct mlx5_vdpa_dev *mvdev = to_mvdev(vdev);
 	struct mlx5_vdpa_net *ndev = to_mlx5_vdpa_ndev(mvdev);
 	struct mlx5_vdpa_virtqueue *mvq;
-	struct mlx5_ctrl_wq_ent *wqent;
+	struct mlx5_vdpa_wq_ent *wqent;
 
 	if (!is_index_valid(mvdev, idx))
 		return;
@@ -2474,7 +2474,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name)
 	if (err)
 		goto err_mr;
 
-	mvdev->wq = create_singlethread_workqueue("mlx5_vdpa_ctrl_wq");
+	mvdev->wq = create_singlethread_workqueue("mlx5_vdpa_wq");
 	if (!mvdev->wq) {
 		err = -ENOMEM;
 		goto err_res2;