isp_lun_cmd
if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, DFLT_CMND_CNT, DFLT_INOT_CNT)) {
if (isp_lun_cmd(isp, RQSTYPE_ENABLE_LUN, bus, lun, 0, 0)) {
int isp_lun_cmd(ispsoftc_t *, int, int, int, int, int);