diff options
Diffstat (limited to 'drivers/vdpa/mlx5/core/mr.c')
| -rw-r--r-- | drivers/vdpa/mlx5/core/mr.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/vdpa/mlx5/core/mr.c b/drivers/vdpa/mlx5/core/mr.c index 66530e28f327..2197c46e563a 100644 --- a/drivers/vdpa/mlx5/core/mr.c +++ b/drivers/vdpa/mlx5/core/mr.c @@ -645,3 +645,20 @@ int mlx5_vdpa_create_dma_mr(struct mlx5_vdpa_dev *mvdev) return mlx5_vdpa_update_cvq_iotlb(mvdev, NULL, 0); } + +int mlx5_vdpa_reset_mr(struct mlx5_vdpa_dev *mvdev, unsigned int asid) +{ + if (asid >= MLX5_VDPA_NUM_AS) + return -EINVAL; + + mlx5_vdpa_destroy_mr(mvdev, mvdev->mr[asid]); + + if (asid == 0 && MLX5_CAP_GEN(mvdev->mdev, umem_uid_0)) { + if (mlx5_vdpa_create_dma_mr(mvdev)) + mlx5_vdpa_warn(mvdev, "create DMA MR failed\n"); + } else { + mlx5_vdpa_update_cvq_iotlb(mvdev, NULL, asid); + } + + return 0; +} |