Hi Yu,
On Wed, 20 May 2026 23:25:43 +0800
Yu Zhang <[email protected]> wrote:
> > > +static const struct iommu_domain_ops
> > > hv_iommu_identity_domain_ops = {
> > > + .attach_dev = hv_iommu_attach_dev,
> > > +};
> > > +
> > > +static const struct iommu_domain_ops
> > > hv_iommu_blocking_domain_ops = {
> > > + .attach_dev = hv_iommu_attach_dev,
> > > +};
> >
> > Usually I would expect these to have their own attach
> > functions. blocking in particular must have an attach op that cannot
> > fail. It is used to recover the device back to a known translation
> > in case of cascading other errors.
> >
>
> For blocking domain, the hypercall handler of such attach essentially
> disable the translation and IOPF for the device.
I think this should disable all faults, including unrecoverable fault
reporting. right?
