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Re: [libvirt] [Qemu-arm] [PATCH v6 4/4] arm: implement query-gic-capabilities



On Wed, Mar 23, 2016 at 03:33:25PM +0300, Sergey Fedorov wrote:
> On 23/03/16 08:32, Peter Xu wrote:
> > diff --git a/target-arm/monitor.c b/target-arm/monitor.c
> > index 254a9c9..4a2db59 100644
> > --- a/target-arm/monitor.c
> > +++ b/target-arm/monitor.c
> > @@ -21,8 +21,66 @@
> (snip)
> >  GICCapabilityResult *qmp_query_gic_capabilities(Error **errp)
> >  {
> > -    return NULL;
> > +    GICCapabilityResult *result = g_new0(GICCapabilityResult, 1);
> > +    GICCapabilityList *head = NULL;
> > +    GICCapability *v2 = gic_cap_new(2), *v3 = gic_cap_new(3);
> > +
> > +    v2->emulated = true;
> > +    /* FIXME: we'd change to true after we get emulated GICv3. */
> 
> Maybewe'd better use'NOTE:' or 'TODO:' instead of 'FIXME:'?

Right.

> 
> > +    v3->emulated = false;
> > +
> > +#ifdef CONFIG_KVM
> > +    {
> > +        int fdarray[3];
> > +
> > +        if (!kvm_arm_create_scratch_host_vcpu(NULL, fdarray, NULL)) {
> > +            goto out;
> > +        }
> > +
> > +        /* Test KVM GICv2 */
> > +        if (kvm_support_device(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V2)) {
> > +            v2->kernel = true;
> > +        }
> > +
> > +        /* Test KVM GICv3 */
> > +        if (kvm_support_device(fdarray[1], KVM_DEV_TYPE_ARM_VGIC_V3)) {
> > +            v3->kernel = true;
> > +        }
> > +
> > +        kvm_arm_destroy_scratch_host_vcpu(fdarray);
> > +out:
> > +        ;
> > +    }
> > +#endif
> 
> Probably, it would be neater to put KVM part into a separate static
> inline function.

Seems so. Will fix.

Thanks.

-- peterx


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