Re: [RFC/PATCH v0 12/12] gunyah: Documentation

[Alex Bennée]

Srivatsa Vaddagiri <quic_svaddagi@quicinc.com> writes:

> * Philippe Mathieu-Daud? <philmd@linaro.org> [2023-10-12 06:52:04]:
>
>> > +Limitations
>> > +-----------
>> > +
>> > +Below features are not yet supported.
>> > +
>> > +* virtio-pci (support for which in Qemu seems to rely heavily on KVM, 
>> > which
>> > +  needs to be made multi-hypervisor friendly).
>> 
>> Is QUIC interested in working on that? My work introducing
>> AccelCPUState to make CPUState accel-agnostic was done in that
>> direction, but I didn't notice much interest in the community
>> so I unprioritized it.
>
> Hi Phil,
>       We do want to see Gunyah support merged in Qemu at the earliest (as soon
> as the kernel driver is merged upstream that is), so any dependent change in
> Qemu for Gunyah would be of much interest to us! I am not sure though if Quic
> can sign up for the entire "make cpustate accel agnostic" work. Can you point
> to your ongoing work that I could take a look at? Would that address 
> virtio-pci
> becoming accelerator agnostic?

Why wouldn't virtio-pci be accelerator agnostic?

It works with KVM and TCG for example. There are I suppose complications
if you want to share emulated devices with a real PCI bus rather than
emulating it all within QEMU.

>
> Thanks!
> vatsa


-- 
Alex Bennée
Virtualisation Tech Lead @ Linaro