Message ID | 20230912130132.561193-5-dtatulea@nvidia.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | vdpa: Add support for vq descriptor mappings | expand |
On Tue, Sep 12, 2023 at 9:02 PM Dragos Tatulea <dtatulea@nvidia.com> wrote: > > Necessary for upcoming cvq separation from mr allocation. > > Signed-off-by: Dragos Tatulea <dtatulea@nvidia.com> Acked-by: Jason Wang <jasowang@redhat.com> Thanks > --- > 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 --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 37be945a0230..d34c19b4e139 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; > } > -- > 2.41.0 >
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 37be945a0230..d34c19b4e139 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; }
Necessary for upcoming cvq separation from mr allocation. 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(-)