148 	struct cac_ccb *ccb;  in cac_init()  local
186 	ccb = (struct cac_ccb *)sc->sc_ccbs;  in cac_init()
188 	for (i = 0; i < CAC_MAX_CCBS; i++, ccb++) {  in cac_init()
193 		    &ccb->ccb_dmamap_xfer);  in cac_init()
201 		ccb->ccb_paddr = sc->sc_ccbs_paddr + i * sizeof(struct cac_ccb);  in cac_init()
203 		SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_free, ccb, ccb_chain);  in cac_init()
291 	struct cac_ccb *ccb;  in cac_intr()  local
298 		while ((ccb = (*sc->sc_cl->cl_completed)(sc)) != NULL) {  in cac_intr()
300 			cac_ccb_done(sc, ccb);  in cac_intr()
314 	struct cac_ccb *ccb;  in cac_cmd()  local
324 		ccb = xs->io;  in cac_cmd()
329 		ccb->ccb_flags = 0;  in cac_cmd()
332 		ccb = scsi_io_get(&sc->sc_iopool, SCSI_POLL | SCSI_NOSLEEP);  in cac_cmd()
333 		if (ccb == NULL)  in cac_cmd()
338 		bus_dmamap_load(sc->sc_dmat, ccb->ccb_dmamap_xfer,  in cac_cmd()
341 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap_xfer, 0,  in cac_cmd()
342 		    ccb->ccb_dmamap_xfer->dm_mapsize,  in cac_cmd()
346 		sgb = ccb->ccb_seg;  in cac_cmd()
347 		nsegs = ccb->ccb_dmamap_xfer->dm_nsegs;  in cac_cmd()
353 			size += ccb->ccb_dmamap_xfer->dm_segs[i].ds_len;  in cac_cmd()
355 			    htole32(ccb->ccb_dmamap_xfer->dm_segs[i].ds_len);  in cac_cmd()
357 			    htole32(ccb->ccb_dmamap_xfer->dm_segs[i].ds_addr);  in cac_cmd()
364 	ccb->ccb_hdr.drive = drive;  in cac_cmd()
365 	ccb->ccb_hdr.priority = 0;  in cac_cmd()
366 	ccb->ccb_hdr.size = htole16((sizeof(struct cac_req) +  in cac_cmd()
369 	ccb->ccb_req.next = 0;  in cac_cmd()
370 	ccb->ccb_req.command = command;  in cac_cmd()
371 	ccb->ccb_req.error = 0;  in cac_cmd()
372 	ccb->ccb_req.blkno = htole32(blkno);  in cac_cmd()
373 	ccb->ccb_req.bcount = htole16(howmany(size, DEV_BSIZE));  in cac_cmd()
374 	ccb->ccb_req.sgcount = nsegs;  in cac_cmd()
375 	ccb->ccb_req.reserved = 0;  in cac_cmd()
377 	ccb->ccb_flags = flags;  in cac_cmd()
378 	ccb->ccb_datasize = size;  in cac_cmd()
379 	ccb->ccb_xs = xs;  in cac_cmd()
389 			ccb->ccb_flags |= CAC_CCB_ACTIVE;  in cac_cmd()
390 			(*sc->sc_cl->cl_submit)(sc, ccb);  in cac_cmd()
391 			rv = cac_ccb_poll(sc, ccb, 2000);  in cac_cmd()
394 		rv = cac_ccb_start(sc, ccb);  in cac_cmd()
397 		scsi_io_put(&sc->sc_iopool, ccb);  in cac_cmd()
408 	struct cac_ccb *ccb;  in cac_ccb_poll()  local
414 			if ((ccb = (*sc->sc_cl->cl_completed)(sc)) != NULL)  in cac_ccb_poll()
420 		cac_ccb_done(sc, ccb);  in cac_ccb_poll()
421 	} while (ccb != wantccb);  in cac_ccb_poll()
431 cac_ccb_start(struct cac_softc *sc, struct cac_ccb *ccb)  in cac_ccb_start()  argument
433 	if (ccb != NULL) {  in cac_ccb_start()
435 		SIMPLEQ_INSERT_TAIL(&sc->sc_ccb_queue, ccb, ccb_chain);  in cac_ccb_start()
446 		ccb = SIMPLEQ_FIRST(&sc->sc_ccb_queue);  in cac_ccb_start()
450 		ccb->ccb_flags |= CAC_CCB_ACTIVE;  in cac_ccb_start()
451 		(*sc->sc_cl->cl_submit)(sc, ccb);  in cac_ccb_start()
461 cac_ccb_done(struct cac_softc *sc, struct cac_ccb *ccb)  in cac_ccb_done()  argument
463 	struct scsi_xfer *xs = ccb->ccb_xs;  in cac_ccb_done()
466 	if ((ccb->ccb_flags & CAC_CCB_ACTIVE) == 0) {  in cac_ccb_done()
475 	if ((ccb->ccb_flags & (CAC_CCB_DATA_IN | CAC_CCB_DATA_OUT)) != 0) {  in cac_ccb_done()
476 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap_xfer, 0,  in cac_ccb_done()
477 		    ccb->ccb_dmamap_xfer->dm_mapsize,  in cac_ccb_done()
478 		    ccb->ccb_flags & CAC_CCB_DATA_IN ?  in cac_ccb_done()
480 		bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap_xfer);  in cac_ccb_done()
483 	if ((ccb->ccb_req.error & CAC_RET_SOFT_ERROR) != 0)  in cac_ccb_done()
485 	if ((ccb->ccb_req.error & CAC_RET_HARD_ERROR) != 0) {  in cac_ccb_done()
489 	if ((ccb->ccb_req.error & CAC_RET_CMD_REJECTED) != 0) {  in cac_ccb_done()
511 	struct cac_ccb *ccb = NULL;  in cac_ccb_alloc()  local
519 		ccb = SIMPLEQ_FIRST(&sc->sc_ccb_free);  in cac_ccb_alloc()
524 	return (ccb);  in cac_ccb_alloc()
534 	struct cac_ccb *ccb = xccb;  in cac_ccb_free()  local
536 	ccb->ccb_flags = 0;  in cac_ccb_free()
539 	SIMPLEQ_INSERT_HEAD(&sc->sc_ccb_free, ccb, ccb_chain);  in cac_ccb_free()
725 cac_l0_submit(struct cac_softc *sc, struct cac_ccb *ccb)  in cac_l0_submit()  argument
728 	printf("submit-%lx ", ccb->ccb_paddr);  in cac_l0_submit()
733 	cac_outl(sc, CAC_REG_CMD_FIFO, ccb->ccb_paddr);  in cac_l0_submit()
739 	struct cac_ccb *ccb;  in cac_l0_completed()  local
754 	ccb = (struct cac_ccb *)(sc->sc_ccbs + off);  in cac_l0_completed()
756 	if (orig_off & 3 && ccb->ccb_req.error == 0)  in cac_l0_completed()
757 		ccb->ccb_req.error = CAC_RET_CMD_INVALID;  in cac_l0_completed()
759 	return (ccb);  in cac_l0_completed()