On 4/15/26 12:55 PM, Shameer Kolothum wrote: > Introduce a "cmdqv" property to enable Tegra241 CMDQV support. > This is only enabled for accelerated SMMUv3 devices. > > Reviewed-by: Nicolin Chen <[email protected]> > Signed-off-by: Shameer Kolothum <[email protected]> > --- > hw/arm/smmuv3.c | 7 +++++++ > 1 file changed, 7 insertions(+) > > diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c > index c9ff6298f5..51b7d01da5 100644 > --- a/hw/arm/smmuv3.c > +++ b/hw/arm/smmuv3.c > @@ -1993,6 +1993,10 @@ static bool smmu_validate_property(SMMUv3State *s, > Error **errp) > error_setg(errp, "ssidsize can only be set if accel=on"); > return false; > } > + if (s->cmdqv == ON_OFF_AUTO_ON) { > + error_setg(errp, "cmdqv can only be enabled if accel=on"); > + return false; > + } > return true; > } > > @@ -2161,6 +2165,7 @@ static const Property smmuv3_properties[] = { > DEFINE_PROP_OAS_MODE("oas", SMMUv3State, oas, OAS_MODE_AUTO), > DEFINE_PROP_SSIDSIZE_MODE("ssidsize", SMMUv3State, ssidsize, > SSID_SIZE_MODE_AUTO), > + DEFINE_PROP_ON_OFF_AUTO("cmdqv", SMMUv3State, cmdqv, ON_OFF_AUTO_AUTO), > }; > > static void smmuv3_instance_init(Object *obj) > @@ -2200,6 +2205,8 @@ static void smmuv3_class_init(ObjectClass *klass, const > void *data) > "Valid range is 0-20, where 0 disables SubstreamID support. " > "Defaults to auto. A value greater than 0 is required to enable " > "PASID support."); > + object_class_property_set_description(klass, "cmdqv", > + "Enable/disable CMDQ-Virtualisation support (for accel=on)"); s/CMDQ-Virtualisation/CMDQ-V > } > > static int smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu, qemu-options.hx also needs to be updated Eric
