174           struct vdsk_dring *sc_vd;  member
306           sc->sc_vd = vdsk_dring_alloc(sc->sc_dmatag, 32);  in vdsk_attach()
308           sc->sc_vd = vdsk_dring_alloc(32);  in vdsk_attach()
313           sc->sc_lm->lm_slot[0].entry = sc->sc_vd->vd_map->dm_segs[0].ds_addr;  in vdsk_attach()
315         va = (vaddr_t)sc->sc_vd->vd_desc;  in vdsk_attach()
382           sc->sc_adapter.adapt_openings = sc->sc_vd->vd_nentries - 1;  in vdsk_attach()
383           sc->sc_adapter.adapt_max_periph = sc->sc_vd->vd_nentries - 1;  in vdsk_attach()
769                               while (sc->sc_vd->vd_desc[cons].hdr.dstate == VIO_DESC_DONE) {  in vdsk_rx_vio_dring_data()
774                                         cons &= (sc->sc_vd->vd_nentries - 1);  in vdsk_rx_vio_dring_data()
871           dr.num_descriptors = sc->sc_vd->vd_nentries;  in vdsk_send_dring_reg()
993               sc->sc_tx_cnt >= sc->sc_vd->vd_nentries)  in vdsk_io_get()
1141                     if (sc->sc_vd->vd_desc[desc].hdr.dstate == VIO_DESC_DONE)  in vdsk_scsi_cmd()
1146           if (sc->sc_vd->vd_desc[desc].hdr.dstate == VIO_DESC_DONE) {  in vdsk_scsi_cmd()
1241                     sc->sc_vd->vd_desc[desc].cookie[ncookies].addr =  in vdsk_submit_cmd()
1243                     sc->sc_vd->vd_desc[desc].cookie[ncookies].size = nbytes;  in vdsk_submit_cmd()
1251                     sc->sc_vd->vd_desc[desc].hdr.ack = 1;  in vdsk_submit_cmd()
1253                     sc->sc_vd->vd_desc[desc].hdr.ack = 0;  in vdsk_submit_cmd()
1254           sc->sc_vd->vd_desc[desc].operation = operation;  in vdsk_submit_cmd()
1255           sc->sc_vd->vd_desc[desc].slice = VD_SLICE_NONE;  in vdsk_submit_cmd()
1256           sc->sc_vd->vd_desc[desc].status = 0xffffffff;  in vdsk_submit_cmd()
1257           sc->sc_vd->vd_desc[desc].offset = lba;  in vdsk_submit_cmd()
1258           sc->sc_vd->vd_desc[desc].size = xs->datalen;  in vdsk_submit_cmd()
1259           sc->sc_vd->vd_desc[desc].ncookies = ncookies;  in vdsk_submit_cmd()
1263           sc->sc_vd->vd_desc[desc].hdr.dstate = VIO_DESC_READY;  in vdsk_submit_cmd()
1269           sc->sc_tx_prod &= (sc->sc_vd->vd_nentries - 1);  in vdsk_submit_cmd()
1299           if (sc->sc_vd->vd_desc[desc].status != 0)  in vdsk_complete_cmd()
1302                     sc->sc_vd->vd_desc[desc].size;  in vdsk_complete_cmd()
1312           sc->sc_vd->vd_desc[desc].hdr.dstate = VIO_DESC_FREE;  in vdsk_complete_cmd()