tbm_bo_handle tbm_module_bo_get_handle(tbm_module *module, tbm_bo bo, tbm_backend_bo_data *bo_data, int device, tbm_error_e *error);
tbm_bo_handle tbm_module_bo_map(tbm_module *module, tbm_bo bo, tbm_backend_bo_data *bo_data, int device, int opt, tbm_error_e *error);
tbm_error_e tbm_module_bo_unmap(tbm_module *module, tbm_bo bo, tbm_backend_bo_data *bo_data);
+tbm_error_e tbm_module_bo_lock(tbm_module *module, tbm_bo bo, tbm_backend_bo_data *bo_data, int device, int opt);
#endif /* _TBM_BUFMGR_INT_H_ */