Re: [PATCH v6 20/33] hw/arm/smmuv3-accel: Get host SMMUv3 hw info and validate

[Nicolin Chen <nicolinc@nvidia.com>]

On Thu, Nov 20, 2025 at 01:27:25PM -0800, Nicolin Chen wrote:
> On Thu, Nov 20, 2025 at 01:22:00PM +0000, Shameer Kolothum wrote:
> > +    /* QEMU SMMUv3 supports Range Invalidation by default */
> > +    if (FIELD_EX32(info->idr[3], IDR3, RIL) !=
> > +                FIELD_EX32(s->idr[3], IDR3, RIL)) {
> > +        error_setg(errp, "Host SMMUv3 doesn't support Range Invalidation");
> > +        return false;
> 
> If host reports info->ril=1 while VM sets s->ril=0, it could have
> worked. But this would reject the case.
> 
> I think it should be:
>     if (FIELD_EX32(info->idr[3], IDR3, RIL) <
>         FIELD_EX32(s->idr[3], IDR3, RIL)) {
> ?

Never mind. I realized that you are doing in a followup patch :)

Nicolin