332 	struct ldc_conn *lc;  in vdsp_attach()  local
362 	lc = &sc->sc_lc;  in vdsp_attach()
363 	lc->lc_id = ca->ca_id;  in vdsp_attach()
364 	lc->lc_sc = sc;  in vdsp_attach()
365 	lc->lc_reset = vdsp_ldc_reset;  in vdsp_attach()
366 	lc->lc_start = vdsp_ldc_start;  in vdsp_attach()
367 	lc->lc_rx_data = vdsp_rx_data;  in vdsp_attach()
369 	lc->lc_txq = ldc_queue_alloc(sc->sc_dmatag, VDSK_TX_ENTRIES);  in vdsp_attach()
370 	if (lc->lc_txq == NULL) {  in vdsp_attach()
375 	lc->lc_rxq = ldc_queue_alloc(sc->sc_dmatag, VDSK_RX_ENTRIES);  in vdsp_attach()
376 	if (lc->lc_rxq == NULL) {  in vdsp_attach()
392 	ldc_queue_free(sc->sc_dmatag, lc->lc_rxq);  in vdsp_attach()
395 	ldc_queue_free(sc->sc_dmatag, lc->lc_txq);  in vdsp_attach()
402 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_tx_intr()  local
406 	err = hv_ldc_tx_get_state(lc->lc_id, &tx_head, &tx_tail, &tx_state);  in vdsp_tx_intr()
412 	if (tx_state != lc->lc_tx_state) {  in vdsp_tx_intr()
424 		lc->lc_tx_state = tx_state;  in vdsp_tx_intr()
427 	wakeup(lc->lc_txq);  in vdsp_tx_intr()
435 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_rx_intr()  local
440 	err = hv_ldc_rx_get_state(lc->lc_id, &rx_head, &rx_tail, &rx_state);  in vdsp_rx_intr()
448 	if (rx_state != lc->lc_rx_state) {  in vdsp_rx_intr()
452 			lc->lc_tx_seqid = 0;  in vdsp_rx_intr()
453 			lc->lc_state = 0;  in vdsp_rx_intr()
454 			lc->lc_reset(lc);  in vdsp_rx_intr()
461 			lc->lc_tx_seqid = 0;  in vdsp_rx_intr()
462 			lc->lc_state = 0;  in vdsp_rx_intr()
463 			lc->lc_reset(lc);  in vdsp_rx_intr()
466 		lc->lc_rx_state = rx_state;  in vdsp_rx_intr()
470 	if (lc->lc_rx_state == LDC_CHANNEL_DOWN)  in vdsp_rx_intr()
473 	lp = (struct ldc_pkt *)(lc->lc_rxq->lq_va + rx_head);  in vdsp_rx_intr()
476 		ldc_rx_ctrl(lc, lp);  in vdsp_rx_intr()
480 		ldc_rx_data(lc, lp);  in vdsp_rx_intr()
486 		ldc_reset(lc);  in vdsp_rx_intr()
491 	rx_head &= ((lc->lc_rxq->lq_nentries * sizeof(*lp)) - 1);  in vdsp_rx_intr()
492 	err = hv_ldc_rx_set_qhead(lc->lc_id, rx_head);  in vdsp_rx_intr()
500 vdsp_rx_data(struct ldc_conn *lc, struct ldc_pkt *lp)  in vdsp_rx_data()  argument
509 		vdsp_rx_vio_ctrl(lc->lc_sc, vm);  in vdsp_rx_data()
515 		vdsp_rx_vio_data(lc->lc_sc, vm);  in vdsp_rx_data()
520 		ldc_reset(lc);  in vdsp_rx_data()
868 vdsp_ldc_reset(struct ldc_conn *lc)  in vdsp_ldc_reset()  argument
870 	struct vdsp_softc *sc = lc->lc_sc;  in vdsp_ldc_reset()
877 vdsp_ldc_start(struct ldc_conn *lc)  in vdsp_ldc_start()  argument
885 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_sendmsg()  local
889 		err = ldc_send_unreliable(lc, msg, len);  in vdsp_sendmsg()
897 			err = tsleep_nsec(lc->lc_txq, PWAIT, "vdsp",  in vdsp_sendmsg()
1129 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_read_desc()  local
1169 			err = hv_ldc_copy(lc->lc_id, LDC_COPY_OUT,  in vdsp_read_desc()
1202 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_read_dring()  local
1243 			err = hv_ldc_copy(lc->lc_id, LDC_COPY_OUT,  in vdsp_read_dring()
1274 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_write_dring()  local
1300 		err = hv_ldc_copy(lc->lc_id, LDC_COPY_IN,  in vdsp_write_dring()
1359 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_get_vtoc()  local
1427 		err = hv_ldc_copy(lc->lc_id, LDC_COPY_OUT,  in vdsp_get_vtoc()
1457 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_set_vtoc()  local
1478 		err = hv_ldc_copy(lc->lc_id, LDC_COPY_IN,  in vdsp_set_vtoc()
1549 	struct ldc_conn *lc = &sc->sc_lc;  in vdsp_get_diskgeom()  local
1612 		err = hv_ldc_copy(lc->lc_id, LDC_COPY_OUT,  in vdsp_get_diskgeom()
1695 	struct ldc_conn *lc;  in vdspopen()  local
1705 	lc = &sc->sc_lc;  in vdspopen()
1707 	err = hv_ldc_tx_qconf(lc->lc_id,  in vdspopen()
1708 	    lc->lc_txq->lq_map->dm_segs[0].ds_addr, lc->lc_txq->lq_nentries);  in vdspopen()
1712 	err = hv_ldc_rx_qconf(lc->lc_id,  in vdspopen()
1713 	    lc->lc_rxq->lq_map->dm_segs[0].ds_addr, lc->lc_rxq->lq_nentries);  in vdspopen()