359 vioblk_map_discard(vioblk_t *vib, virtio_chain_t *vic, const bd_xfer_t *xfer)  in vioblk_map_discard()  argument
361 	const dkioc_free_list_t *dfl = xfer->x_dfl;  in vioblk_map_discard()
398 vioblk_request(vioblk_t *vib, bd_xfer_t *xfer, int type)  in vioblk_request()  argument
402 	boolean_t polled = (xfer->x_flags & BD_XFER_POLL) != 0;  in vioblk_request()
410 	if (xfer->x_nblks > SIZE_MAX - xfer->x_blkno ||  in vioblk_request()
411 	    (xfer->x_blkno + xfer->x_nblks) > vib->vib_nblks) {  in vioblk_request()
416 	if ((vbr = vioblk_common_start(vib, type, xfer->x_blkno, polled)) ==  in vioblk_request()
420 	vbr->vbr_xfer = xfer;  in vioblk_request()
428 	    xfer->x_nblks > 0) {  in vioblk_request()
433 		for (uint_t n = 0; n < xfer->x_ndmac; n++) {  in vioblk_request()
440 				dmac = xfer->x_dmac;  in vioblk_request()
442 				ddi_dma_nextcookie(xfer->x_dmah, &dmac);  in vioblk_request()
452 		total_cookies += xfer->x_ndmac;  in vioblk_request()
454 	} else if (xfer->x_nblks > 0) {  in vioblk_request()
457 		    xfer->x_nblks);  in vioblk_request()
459 		int r = vioblk_map_discard(vib, vbr->vbr_chain, xfer);  in vioblk_request()
474 vioblk_bd_read(void *arg, bd_xfer_t *xfer)  in vioblk_bd_read()  argument
480 	r = vioblk_request(vib, xfer, VIRTIO_BLK_T_IN);  in vioblk_bd_read()
487 vioblk_bd_write(void *arg, bd_xfer_t *xfer)  in vioblk_bd_write()  argument
493 	r = vioblk_request(vib, xfer, VIRTIO_BLK_T_OUT);  in vioblk_bd_write()
500 vioblk_bd_flush(void *arg, bd_xfer_t *xfer)  in vioblk_bd_flush()  argument
516 	r = vioblk_request(vib, xfer, VIRTIO_BLK_T_FLUSH);  in vioblk_bd_flush()
651 vioblk_bd_free_space(void *arg, bd_xfer_t *xfer)  in vioblk_bd_free_space()  argument
665 	r = vioblk_request(vib, xfer, VIRTIO_BLK_T_DISCARD);  in vioblk_bd_free_space()