DRM_IOCTL_SET_SAREA_CTX 856 include/uapi/drm/drm.h #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map) DRM_IOCTL_SET_SAREA_CTX 856 tools/include/uapi/drm/drm.h #define DRM_IOCTL_SET_SAREA_CTX DRM_IOW( 0x1c, struct drm_ctx_priv_map)