drm_control
#define DRM_IOCTL_CONTROL DRM_IOW( 0x14, struct drm_control)
typedef struct drm_control drm_control_t;
extern int drm_control(struct drm_device *dev, void *data,
DRM_IOCTL_DEF(DRM_IOCTL_CONTROL, drm_control, DRM_AUTH|DRM_MASTER|DRM_ROOT_ONLY),
struct drm_control *ctl = data;