Re: [Qemu-devel] [libvirt] [RFC PATCH 0/2] ARM: add QMP command to query GIC version

[Andrea Bolognani]

On Tue, 2016-02-16 at 12:09 +0000, Peter Maydell wrote:
> On 16 February 2016 at 12:05, Andrea Bolognani <address@hidden> wrote:
> > The idea is to add this information to domain capabilities, which
> > already have virtualization type, architecture and machine type as
> > inputs.
> > 
> > Since GIC is only available for the virt machine type on ARM hosts,
> > and the GIC versions might be limited by using TCG instead of KVM,
> > it seems like it would fit nicely...
> 
> The GIC is available for more than just "virt". It's just that
> at the moment "virt" is the only machine type which lets you
> pick which GIC version you want, and so the only machine type
> with that machine property. (For instance vexpress-a15
> is always GICv2, since the hardware we're modelling there is
> always GICv2.)
> 
> Other board models in future might support a choice of GIC
> versions. (The obvious possibility would be the Android
> 'ranchu' board if that is ever upstreamed.)

Yeah, I didn't express myself properly: I meant to say that the
ability to pick a GIC version is limited to the virt machine
type so far. Sorry about that :)

Cheers.

-- 
Andrea Bolognani
Software Engineer - Virtualization Team