288 		ex_desc_t *ed = &r->r_desc[i];  in ex_free_ring()  local
289 		if (ed->ed_bufaddr)  in ex_free_ring()
290 			(void) ddi_dma_unbind_handle(ed->ed_dmah);  in ex_free_ring()
291 		if (ed->ed_acch)  in ex_free_ring()
292 			ddi_dma_mem_free(&ed->ed_acch);  in ex_free_ring()
293 		if (ed->ed_dmah)  in ex_free_ring()
294 			ddi_dma_free_handle(&ed->ed_dmah);  in ex_free_ring()
311 	ex_desc_t	*ed;  in elxl_reset_ring()  local
317 			ed = &r->r_desc[i];  in elxl_reset_ring()
318 			pd = ed->ed_pd;  in elxl_reset_ring()
322 			PUT_PD(r, pd->pd_addr, ed->ed_bufaddr);  in elxl_reset_ring()
330 			ed = &r->r_desc[i];  in elxl_reset_ring()
331 			pd = ed->ed_pd;  in elxl_reset_ring()
332 			PUT_PD(r, pd->pd_link, ed->ed_next->ed_descaddr);  in elxl_reset_ring()
335 			PUT_PD(r, pd->pd_addr, ed->ed_bufaddr);  in elxl_reset_ring()
383 		ex_desc_t	*ed = &r->r_desc[i];  in ex_alloc_ring()  local
386 		ed->ed_pd = pd;  in ex_alloc_ring()
387 		ed->ed_off = (i * sizeof (ex_pd_t));  in ex_alloc_ring()
388 		ed->ed_descaddr = r->r_paddr + (i * sizeof (ex_pd_t));  in ex_alloc_ring()
391 		ed->ed_next = &r->r_desc[(i + 1) % count];  in ex_alloc_ring()
392 		ed->ed_next->ed_prev = ed;  in ex_alloc_ring()
395 		    DDI_DMA_DONTWAIT, NULL, &ed->ed_dmah);  in ex_alloc_ring()
400 		rv = ddi_dma_mem_alloc(ed->ed_dmah, EX_BUFSZ, &ex_buf_acc_attr,  in ex_alloc_ring()
401 		    DDI_DMA_STREAMING, DDI_DMA_DONTWAIT, NULL, &ed->ed_buf,  in ex_alloc_ring()
402 		    &len, &ed->ed_acch);  in ex_alloc_ring()
407 		bzero(ed->ed_buf, len);  in ex_alloc_ring()
409 		rv = ddi_dma_addr_bind_handle(ed->ed_dmah, NULL,  in ex_alloc_ring()
410 		    ed->ed_buf, len, dir | DDI_DMA_STREAMING,  in ex_alloc_ring()
416 		ed->ed_bufaddr = dmac.dmac_address;  in ex_alloc_ring()