GUC_BLITTER_CLASS
info_map_write(info_map, engine_enabled_masks[GUC_BLITTER_CLASS], BCS_MASK(gt));
mask = info_map_read(info_map, engine_enabled_masks[GUC_BLITTER_CLASS]);
[COPY_ENGINE_CLASS] = GUC_BLITTER_CLASS,
[GUC_BLITTER_CLASS] = COPY_ENGINE_CLASS,