IOPSP_MAX_LUN
sc->sc_channel.chan_nluns = IOPSP_MAX_LUN;
size = sc_chan->chan_ntargets * (IOPSP_MAX_LUN) * sizeof(u_short);
#define IOPSP_TIDMAP(map, t, l) (map[(t) * IOPSP_MAX_LUN + (l)])