[14/16] vdpa/mlx5: Make iotlb helper functions more generic

Commit Message

Dragos Tatulea Sept. 12, 2023, 1:01 p.m. UTC

They will be used in a followup patch.

Signed-off-by: Dragos Tatulea <[e-mail]>
---
 drivers/vdpa/mlx5/core/mr.c | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

Patch

diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 3dee6d9bed6b..a4135c16b5bf 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -454,20 +454,20 @@  static void destroy_dma_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_mr *mr)
 	mlx5_vdpa_destroy_mkey(mvdev, mr->mkey);
 }
 
-static int dup_iotlb(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *src)
+static int dup_iotlb(struct vhost_iotlb *iotlb, struct vhost_iotlb *src)
 {
 	struct vhost_iotlb_map *map;
 	u64 start = 0, last = ULLONG_MAX;
 	int err;
 
 	if (!src) {
-		err = vhost_iotlb_add_range(mvdev->cvq.iotlb, start, last, start, VHOST_ACCESS_RW);
+		err = vhost_iotlb_add_range(iotlb, start, last, start, VHOST_ACCESS_RW);
 		return err;
 	}
 
 	for (map = vhost_iotlb_itree_first(src, start, last); map;
 		map = vhost_iotlb_itree_next(map, start, last)) {
-		err = vhost_iotlb_add_range(mvdev->cvq.iotlb, map->start, map->last,
+		err = vhost_iotlb_add_range(iotlb, map->start, map->last,
 					    map->addr, map->perm);
 		if (err)
 			return err;
@@ -475,9 +475,9 @@  static int dup_iotlb(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *src)
 	return 0;
 }
 
-static void prune_iotlb(struct mlx5_vdpa_dev *mvdev)
+static void prune_iotlb(struct vhost_iotlb *iotlb)
 {
-	vhost_iotlb_del_range(mvdev->cvq.iotlb, 0, ULLONG_MAX);
+	vhost_iotlb_del_range(iotlb, 0, ULLONG_MAX);
 }
 
 static void destroy_user_mr(struct mlx5_vdpa_dev *mvdev, struct mlx5_vdpa_mr *mr)
@@ -544,7 +544,7 @@  void mlx5_vdpa_destroy_mr_resources(struct mlx5_vdpa_dev *mvdev)
 	for (int i = 0; i < MLX5_VDPA_NUM_AS; i++)
 		mlx5_vdpa_destroy_mr(mvdev, mvdev->mr[i]);
 
-	prune_iotlb(mvdev);
+	prune_iotlb(mvdev->cvq.iotlb);
 }
 
 static int _mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev,
@@ -596,8 +596,8 @@  int mlx5_vdpa_update_cvq_iotlb(struct mlx5_vdpa_dev *mvdev,
 
 	spin_lock(&mvdev->cvq.iommu_lock);
 
-	prune_iotlb(mvdev);
-	err = dup_iotlb(mvdev, iotlb);
+	prune_iotlb(mvdev->cvq.iotlb);
+	err = dup_iotlb(mvdev->cvq.iotlb, iotlb);
 
 	spin_unlock(&mvdev->cvq.iommu_lock);