Re: QEMU-KVM offers OPAL firmware interface? OpenBSD guest support?

[Cédric Le Goater]

On 8/30/21 6:04 PM, Michal Suchánek wrote:
> On Mon, Aug 30, 2021 at 04:57:21PM +1000, David Gibson wrote:
>> On Sun, Aug 29, 2021 at 04:09:54AM +0000, Joseph wrote:
>>> Hi Mark, Cédric, Greg at the openbsd-ppc ML,
> 
>>
>> So.. if you want to run OpenBSD on POWER10 you will definitely need
>> PAPR support, because POWER10 won't support bare metal OS access at
>> all (it will be back to PowerVM always, like POWER5..POWER7).
> 
> Hello,
> 
> what is stopping powernv support other than lack of firmware support?

Yes. that's the main issue. OpenPOWER firmware should be available
for people to use on P10 but it won't have any support AFAIK. We just 
published skiboot as part of it. 
 
> Doesn't PowerVM use teh very same vrtualization features that KVM does?

The hypervisor on the host (pHyp) replaces the software stack : 

    skiboot + Linux(PowerNV) + KVM + QEMU + SLOF

and it comes with its own system management driven from the FSP/BMC.

C.