WINLST
*ccountp = WINLST(mp)->win_ncookies;
*cookiep = *(ddi_dma_cookie_t *)(WINLST(mp) + 1); /* wholeobj */
cookie0_p = (ddi_dma_cookie_t *)(WINLST(mp) + 1);
mp->dmai_ncookies = WINLST(mp)->win_ncookies;