> >> + > >> + a.mfn = v->arch.hvm.vmx.ipt_state->output_base >> PAGE_SHIFT; > > > > This will not work for translated domains, ie: a PVH or HVM domain > > won't be able to use this interface since it has no way to request the > > mapping of a specific mfn into it's physmap. I think we need to take > > this into account when deciding how the interface should be, so that > > we don't corner ourselves with a PV only interface. > > Please be aware that this is only going to be used by Dom0. Is is > well-supported case that somebody is using PVH/HVM Dom0? > > I think that all Virtual Machine Introspection stuff currently requires to > have Dom0 PV. Our main goal is to have this working well in combo with VMI.
FYI the VMI interface doesn't require a PV domain. It works fine from PVH dom0 or even from a secondary privileged HVM DomU as well, provided you have the right XSM policy to allow that. Tamas
