Re: [PATCH v5 10/19] vfio: Add infrastructure for bind_iommufd from userspace

Jason Gunthorpe
2023-02-28T12:30:01Z

On Tue, Feb 28, 2023 at 02:35:25AM +0000, Liu, Yi L wrote:

> > And the commit message is sort of out of sync with the patch, more like:
> >
> > vfio: Pass the pt_id as an argument to vfio_iommufd_bind()
> >
> > To support binding the cdev the pt_id must come from userspace instead
> > of being forced to the compat_ioas_id.
> >
>
> Got it. not only pt_id, also dev_id. 😊

Maybe dev_id should be read back from the iommufd_device pointer in
the vfio_device. It is trivially stored in that memory already

Jason