CAM_ARG_LUN
if ((arglist & CAM_ARG_LUN) == 0) {
arglist |= CAM_ARG_LUN;
*arglst |= CAM_ARG_BUS | CAM_ARG_TARGET | CAM_ARG_LUN;
*arglst |= CAM_ARG_LUN;
if (arglist & CAM_ARG_LUN)