dev/vme/xy.c

504 		xyc->reqs[lcv].dmaiopb = &xyc->dvmaiopb[lcv];
1500 	struct xy_iopb *dmaiopb;
1534 	dmaiopb = xyc_chain(xycsc, iorq);	 /* build chain */
1535 	if (dmaiopb == NULL) { /* nothing doing? */
1541 	XYC_GO(xycsc->xyc, dmaiopb);
1592 		return(iorq->dmaiopb);
1604 		struct xy_iopb *iopb, *prev_iopb, *dmaiopb;
1617 			dmaiopb = xycsc->xy_chain[chain]->dmaiopb;
1618 			prev_iopb->nxtiopb = ((u_long)dmaiopb) & 0xffff;
1630 	return(iorq ? iorq->dmaiopb : NULL);
1715 	XYC_GO(xycsc->xyc, xycsc->ciorq->dmaiopb);