MC_XFER_IN
dowrite ? MC_XFER_OUT : MC_XFER_IN);
if ((rv = mlx_ccb_map(mlx, mc, result, 1024, MC_XFER_IN)) != 0)
if ((rv = mlx_ccb_map(mlx, mc, result, bufsize, MC_XFER_IN)) != 0)
((dir & MC_XFER_IN) ? BUS_DMA_READ : BUS_DMA_WRITE));
if ((dir & MC_XFER_IN) != 0)
if ((mc->mc_flags & MC_XFER_IN) != 0)