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This is only enabled for accelerated SMMUv3 devices. Reviewed-by: Nicolin Chen Signed-off-by: Shameer Kolothum --- hw/arm/smmuv3.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/hw/arm/smmuv3.c b/hw/arm/smmuv3.c index 7f84c87a46..84dc5351d1 100644 --- a/hw/arm/smmuv3.c +++ b/hw/arm/smmuv3.c @@ -1956,6 +1956,12 @@ static bool smmu_validate_property(SMMUv3State *s, E= rror **errp) } #endif =20 +#ifndef CONFIG_TEGRA241_CMDQV + if (s->tegra241_cmdqv) { + error_setg(errp, "tegra241_cmdqv=3Don support not compiled in"); + return false; + } +#endif if (!s->accel) { if (!s->ril) { error_setg(errp, "ril can only be disabled if accel=3Don"); @@ -1973,6 +1979,10 @@ static bool smmu_validate_property(SMMUv3State *s, E= rror **errp) error_setg(errp, "ssidsize can only be set if accel=3Don"); return false; } + if (s->tegra241_cmdqv) { + error_setg(errp, "tegra241_cmdqv can only be enabled if accel= =3Don"); + return false; + } return true; } =20 @@ -2123,6 +2133,7 @@ static const Property smmuv3_properties[] =3D { DEFINE_PROP_BOOL("ats", SMMUv3State, ats, false), DEFINE_PROP_UINT8("oas", SMMUv3State, oas, 44), DEFINE_PROP_UINT8("ssidsize", SMMUv3State, ssidsize, 0), + DEFINE_PROP_BOOL("tegra241-cmdqv", SMMUv3State, tegra241_cmdqv, false), }; =20 static void smmuv3_instance_init(Object *obj) @@ -2162,6 +2173,8 @@ static void smmuv3_class_init(ObjectClass *klass, con= st 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, "tegra241-cmdqv", + "Enable/disable Tegra241 CMDQ-Virtualisation support (for accel=3D= on)"); } =20 static int smmuv3_notify_flag_changed(IOMMUMemoryRegion *iommu, --=20 2.43.0