KVM_CAP_DEVICE_CTRL
{ KVM_SET_DEVICE_ATTR, KVM_CAP_DEVICE_CTRL },
{ KVM_GET_DEVICE_ATTR, KVM_CAP_DEVICE_CTRL },
{ KVM_HAS_DEVICE_ATTR, KVM_CAP_DEVICE_CTRL },
case KVM_CAP_DEVICE_CTRL: