diff mbox series

[vhost,v4,05/16] vdpa/mlx5: Create helper function for dma mappings

Message ID 20231018171456.1624030-7-dtatulea@nvidia.com (mailing list archive)
State New, archived
Headers show
Series vdpa: Add support for vq descriptor mappings | expand

Commit Message

Dragos Tatulea Oct. 18, 2023, 5:14 p.m. UTC 
Necessary for upcoming cvq separation from mr allocation.

Acked-by: Jason Wang <jasowang@redhat.com>
Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com>
---
 drivers/vdpa/mlx5/core/mlx5_vdpa.h | 1 +
 drivers/vdpa/mlx5/core/mr.c        | 5 +++++
 drivers/vdpa/mlx5/net/mlx5_vnet.c  | 4 ++--
 3 files changed, 8 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/vdpa/mlx5/core/mlx5_vdpa.h b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
index ca56242972b3..3748f027cfe9 100644
--- a/drivers/vdpa/mlx5/core/mlx5_vdpa.h
+++ b/drivers/vdpa/mlx5/core/mlx5_vdpa.h
@@ -120,6 +120,7 @@  int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
 			unsigned int asid);
 void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev);
 void mlx5_vdpa_destroy_mr_asid(struct mlx5_vdpa_dev *mvdev, unsigned int asid);
+int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev);
 
 #define mlx5_vdpa_warn(__dev, format, ...)                                                         \
 	dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__,     \
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c
index 5a1971fcd87b..7bd0883b8b25 100644
--- a/drivers/vdpa/mlx5/core/mr.c
+++ b/drivers/vdpa/mlx5/core/mr.c
@@ -619,3 +619,8 @@  int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io
 
 	return err;
 }
+
+int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev)
+{
+	return mlx5_vdpa_create_mr(mvdev, NULL, 0);
+}
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index 40a03b08d7cf..65b6a54ad344 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2836,7 +2836,7 @@  static int mlx5_vdpa_reset(struct vdpa_device *vdev)
 	++mvdev->generation;
 
 	if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
-		if (mlx5_vdpa_create_mr(mvdev, NULL, 0))
+		if (mlx5_vdpa_create_dma_mr(mvdev))
 			mlx5_vdpa_warn(mvdev, "create MR failed\n");
 	}
 	up_write(&ndev->reslock);
@@ -3441,7 +3441,7 @@  static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
 		goto err_mpfs;
 
 	if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
-		err = mlx5_vdpa_create_mr(mvdev, NULL, 0);
+		err = mlx5_vdpa_create_dma_mr(mvdev);
 		if (err)
 			goto err_res;
 	}