DEVCTL_COMMAND
DEVCTL_COMMAND(top, help, help);
DEVCTL_COMMAND(top, attach, attach);
DEVCTL_COMMAND(top, detach, detach);
DEVCTL_COMMAND(top, disable, disable);
DEVCTL_COMMAND(top, enable, enable);
DEVCTL_COMMAND(top, suspend, suspend);
DEVCTL_COMMAND(top, resume, resume);
DEVCTL_COMMAND(set, driver, set_driver);
DEVCTL_COMMAND(clear, driver, clear_driver);
DEVCTL_COMMAND(top, rescan, rescan);
DEVCTL_COMMAND(top, delete, delete);
DEVCTL_COMMAND(top, freeze, freeze);
DEVCTL_COMMAND(top, thaw, thaw);
DEVCTL_COMMAND(top, reset, reset);
DEVCTL_COMMAND(top, getpath, getpath);
DEVCTL_COMMAND(set, name, devctl_ ## name ## _table_handler)