MAX_SCATTER
struct scr_tblmove data[MAX_SCATTER];
if (use_sg > MAX_SCATTER) {
data = &cp->phys.data[MAX_SCATTER - use_sg];
#if (MAX_SCATTER > 80)
#define MAX_SCATTERH (MAX_SCATTER - MAX_SCATTERL)
#define MAX_SCATTERL (MAX_SCATTER-1)