Cross Reference: /drivers/block/sunvdc.c

Lines Matching refs:dr
89 static inline u32 vdc_tx_dring_avail(struct vio_dring_state *dr)
91 	return vio_dring_avail(dr, VDC_TX_RING_SIZE);
215 static void vdc_end_one(struct vdc_port *port, struct vio_dring_state *dr,
218 	struct vio_disk_desc *desc = vio_dring_entry(dr, index);
227 	dr->cons = (index + 1) & (VDC_TX_RING_SIZE - 1);
245 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
248 	if (unlikely(pkt->dring_ident != dr->ident ||
253 	vdc_end_one(port, dr, pkt->start_idx);
332 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
340 		.dring_ident		= dr->ident,
341 		.start_idx		= dr->prod,
342 		.end_idx		= dr->prod,
346 	hdr.seq = dr->snd_nxt;
351 			dr->snd_nxt++;
365 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
391 	if (unlikely(vdc_tx_dring_avail(dr) < 1)) {
397 	desc = vio_dring_cur(dr);
407 	rqe = &port->rq_arr[dr->prod];
434 		dr->prod = (dr->prod + 1) & (VDC_TX_RING_SIZE - 1);
456 	struct vio_dring_state *dr;
539 	dr = &port->vio.drings[VIO_DRIVER_TX_RING];
544 	desc = vio_dring_cur(dr);
577 		dr->prod = (dr->prod + 1) & (VDC_TX_RING_SIZE - 1);
597 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
608 				    dr->cookies, &ncookies,
615 	dr->base = dring;
616 	dr->entry_size = entry_size;
617 	dr->num_entries = VDC_TX_RING_SIZE;
618 	dr->prod = dr->cons = 0;
619 	dr->pending = VDC_TX_RING_SIZE;
620 	dr->ncookies = ncookies;
627 	struct vio_dring_state *dr = &port->vio.drings[VIO_DRIVER_TX_RING];
629 	if (dr->base) {
630 		ldc_free_exp_dring(port->vio.lp, dr->base,
631 				   (dr->entry_size * dr->num_entries),
632 				   dr->cookies, dr->ncookies);
633 		dr->base = NULL;
634 		dr->entry_size = 0;
635 		dr->num_entries = 0;
636 		dr->pending = 0;
637 		dr->ncookies = 0;