MVXPBM_BUF_ALIGN
pad = MVXPBM_BUF_ALIGN - align;
if (bus_dmamem_alloc(sc->sc_dmat, sc->sc_buf_size, MVXPBM_BUF_ALIGN, 0,
#define MVXPBM_BUF_MASK (MVXPBM_BUF_ALIGN - 1)