On 2019/9/25 下午10:11, Rob Miller wrote:
> > mdev_set_class_id(mdev, MDEV_ID_VFIO);
> > + mdev_set_dev_ops(mdev, &intel_vfio_vgpu_dev_ops);
>
> This seems rather unrefined. We're registering interdependent data in
> separate calls. All drivers need to make both of these calls. I'm not
> sure if this is a good idea, but what if we had:
>
> static const struct vfio_mdev_device_ops intel_vfio_vgpu_dev_ops = {
> .id = MDEV_ID_VFIO,
> .open = intel_vgpu_open,
> .release = intel_vgpu_release,
> ...
>
> And the set function passed &intel_vfio_vgpu_dev_ops.id
<http://intel_vfio_vgpu_dev_ops.id> and the mdev
> bus drivers used container_of to get to their callbacks?
or just make it explicit? e.g.
mdev_set_class(mdev, MDEV_ID_VFIO, &intel_vfio_vgpu_dev_ops);
Yes, this seems even better.
Will do this in V3.
Thanks
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