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 c1f84bedd4..70135af015 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1967,6 +1967,10 @@ 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; } @@ -2119,6 +2123,7 @@ static const Property smmuv3_properties[] = { DEFINE_PROP_BOOL("ats", SMMUv3State, ats, false), DEFINE_PROP_UINT8("oas", SMMUv3State, oas, 44), DEFINE_PROP_UINT8("ssidsize", SMMUv3State, ssidsize, 0), + DEFINE_PROP_ON_OFF_AUTO("cmdqv", SMMUv3State, cmdqv, ON_OFF_AUTO_AUTO), }; static void smmuv3_instance_init(Object *obj) @@ -2158,6 +2163,8 @@ static void smmuv3_class_init(ObjectClass *klass, const void *data) "Valid range is 0-20, where 0 disables SubstreamID support. " "Defaults to 0. 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)"); } static int smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu, -- 2.43.0
