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Lines Matching defs:dh

255 	struct si_dma_handle *dh;
284 	dh = &sc->ncr_dma[i];
285 	dh->dh_flags = SIDH_BUSY;
286 	dh->dh_addr = ncr_sc->sc_dataptr;
287 	dh->dh_len = xlen;
291 		dh->dh_proc = xs->bp->b_proc;
296 		dh->dh_flags |= SIDH_OUT;
298 	sr->sr_dma_hand = dh;
305 	struct si_dma_handle *dh = sr->sr_dma_hand;
307 	if (dh->dh_flags & SIDH_BUSY)
308 		dh->dh_flags = 0;
342 	struct si_dma_handle *dh = sr->sr_dma_hand;
348 	if (dh->dh_flags & SIDH_OUT) {
349 		vsbus_copyfromproc(dh->dh_proc, dh->dh_addr,
350 		    (char *)sc->ncr_addr + sc->ncr_off, dh->dh_len);
358 	    sc->ncr_dmacount, -dh->dh_len);
364 	if (dh->dh_flags & SIDH_OUT) {
403 	struct si_dma_handle *dh = sr->sr_dma_hand;
422 		if (((dh->dh_flags & SIDH_OUT) == 0)) {
423 			vsbus_copytoproc(dh->dh_proc,
425 			    dh->dh_addr, dh->dh_len);
427 		ncr_sc->sc_dataptr += dh->dh_len;
428 		ncr_sc->sc_datalen -= dh->dh_len;