vdpa: add new callback get_vq_num_min in vdpa_config_ops
This callback is optional. For vdpa devices that not support to change virtqueue size, get_vq_num_min and get_vq_num_max will return the same value, so that users can choose a correct value for that device. Suggested-by:Jason Wang <jasowang@redhat.com> Signed-off-by:
Wu Zongyong <wuzongyong@linux.alibaba.com> Acked-by:
Jason Wang <jasowang@redhat.com> Link: https://lore.kernel.org/r/f4af5b0abd660d9a29ab6b2f67bd6df10284a230.1635493219.git.wuzongyong@linux.alibaba.com Signed-off-by:
Michael S. Tsirkin <mst@redhat.com>
parent
5bbfea1e
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