The mlx5 vdpa device supports ownership transfer to a new process, so
advertise VHOST_BACKEND_F_NEW_OWNER. User virtual addresses are not
used after they are initially translated to physical, so VHOST_IOTLB_REMAP
is not required, hence VHOST_BACKEND_F_IOTLB_REMAP is not advertised.
Signed-off-by: Steve Sistare <steven.sistare@xxxxxxxxxx>
---
drivers/vdpa/mlx5/net/mlx5_vnet.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vdpa/mlx5/net/mlx5_vnet.c b/drivers/vdpa/mlx5/net/mlx5_vnet.c
index ecfc16151d61..b8b16dc499da 100644
--- a/drivers/vdpa/mlx5/net/mlx5_vnet.c
+++ b/drivers/vdpa/mlx5/net/mlx5_vnet.c
@@ -2698,7 +2698,8 @@ static void unregister_link_notifier(struct mlx5_vdpa_net *ndev)
static u64 mlx5_vdpa_get_backend_features(const struct vdpa_device *vdpa)
{
- return BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK);
+ return BIT_ULL(VHOST_BACKEND_F_ENABLE_AFTER_DRIVER_OK) |
+ BIT_ULL(VHOST_BACKEND_F_NEW_OWNER);
}
static int mlx5_vdpa_set_driver_features(struct vdpa_device *vdev, u64 features)
--
2.39.3
