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vdpa/mlx5: Create helper function for dma mappings
Necessary for upcoming cvq separation from mr allocation. Acked-by: Jason Wang <jasowang@redhat.com> Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Message-Id: <20231018171456.1624030-7-dtatulea@nvidia.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Reviewed-by: Si-Wei Liu <si-wei.liu@oracle.com> Tested-by: Si-Wei Liu <si-wei.liu@oracle.com> Tested-by: Lei Yang <leiyang@redhat.com>
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@ -120,6 +120,7 @@ int mlx5_vdpa_create_mr(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *iotlb,
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unsigned int asid);
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void mlx5_vdpa_destroy_mr(struct mlx5_vdpa_dev *mvdev);
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void mlx5_vdpa_destroy_mr_asid(struct mlx5_vdpa_dev *mvdev, unsigned int asid);
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int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev);
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#define mlx5_vdpa_warn(__dev, format, ...) \
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dev_warn((__dev)->mdev->device, "%s:%d:(pid %d) warning: " format, __func__, __LINE__, \
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@ -619,3 +619,8 @@ int mlx5_vdpa_handle_set_map(struct mlx5_vdpa_dev *mvdev, struct vhost_iotlb *io
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return err;
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}
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int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev)
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{
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return mlx5_vdpa_create_mr(mvdev, NULL, 0);
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}
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@ -2880,7 +2880,7 @@ static int mlx5_vdpa_reset(struct vdpa_device *vdev)
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++mvdev->generation;
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if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
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if (mlx5_vdpa_create_mr(mvdev, NULL, 0))
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if (mlx5_vdpa_create_dma_mr(mvdev))
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mlx5_vdpa_warn(mvdev, "create MR failed\n");
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}
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up_write(&ndev->reslock);
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@ -3485,7 +3485,7 @@ static int mlx5_vdpa_dev_add(struct vdpa_mgmt_dev *v_mdev, const char *name,
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goto err_mpfs;
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if (MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) {
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err = mlx5_vdpa_create_mr(mvdev, NULL, 0);
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err = mlx5_vdpa_create_dma_mr(mvdev);
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if (err)
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goto err_res;
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}
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