flsll
int flsll(long long mask);
fls((uint32)(n)) - 1 : flsll((uint64)(n)) - 1
(((width) == 0) || (width) == flsll(BUS_SPACE_MAXADDR) ? \
MPASS(scctx->isc_dma_width <= flsll(BUS_SPACE_MAXADDR));
int flsll(long long mask);
fls((uint32)(n)) - 1 : flsll((uint64)(n)) - 1