54 void	ahc_setup_data(struct ahc_softc *, struct scsi_xfer *, struct scb *);
56 void	ahc_adapter_req_set_xfer_mode(struct ahc_softc *, struct scb *);
146 ahc_done(struct ahc_softc *ahc, struct scb *scb)  in ahc_done()  argument
148 	struct scsi_xfer *xs = scb->xs;  in ahc_done()
154 	LIST_REMOVE(scb, pending_links);  in ahc_done()
155 	if ((scb->flags & SCB_UNTAGGEDQ) != 0) {  in ahc_done()
159 		target_offset = SCB_GET_TARGET_OFFSET(ahc, scb);  in ahc_done()
161 		TAILQ_REMOVE(untagged_q, scb, links.tqe);  in ahc_done()
162 		scb->flags &= ~SCB_UNTAGGEDQ;  in ahc_done()
175 		bus_dmamap_sync(ahc->parent_dmat, scb->dmamap, 0,  in ahc_done()
176 				scb->dmamap->dm_mapsize, op);  in ahc_done()
177 		bus_dmamap_unload(ahc->parent_dmat, scb->dmamap);  in ahc_done()
192 			if ((scb->flags & SCB_SENSE) == 0) {  in ahc_done()
225 	} else if ((scb->flags & SCB_SENSE) != 0) {  in ahc_done()
237 		memcpy(&xs->sense, ahc_get_sense_buf(ahc, scb),  in ahc_done()
238 		    aic_le32toh(scb->sg_list->len) & AHC_SG_LEN_MASK);  in ahc_done()
249 	struct scb *scb;  in ahc_action()  local
265 	scb = xs->io;  in ahc_action()
268 	scb->flags = SCB_FLAG_NONE;  in ahc_action()
270 	hscb = scb->hscb;  in ahc_action()
275 	printf("%s: start scb(%p)\n", ahc_name(ahc), scb);  in ahc_action()
277 	scb->xs = xs;  in ahc_action()
278 	timeout_set(&xs->stimeout, ahc_timeout, scb);  in ahc_action()
288 		scb->flags |= SCB_DEVICE_RESET;  in ahc_action()
290 		ahc_execute_scb(scb, NULL, 0);  in ahc_action()
294 	ahc_setup_data(ahc, xs, scb);  in ahc_action()
300 	struct	scb *scb;  in ahc_execute_scb()  local
309 	scb = (struct scb *)arg;  in ahc_execute_scb()
310 	xs = scb->xs;  in ahc_execute_scb()
323 		sg = scb->sg_list;  in ahc_execute_scb()
341 		scb->hscb->sgptr = aic_htole32(scb->sg_list_phys|SG_FULL_RESID);  in ahc_execute_scb()
348 		bus_dmamap_sync(ahc->parent_dmat, scb->dmamap, 0,  in ahc_execute_scb()
349 				scb->dmamap->dm_mapsize, op);  in ahc_execute_scb()
354 		bus_dmamap_sync(ahc->parent_dmat, scb->sg_map->sg_dmamap,  in ahc_execute_scb()
355 		    0, scb->sg_map->sg_dmamap->dm_mapsize,  in ahc_execute_scb()
359 		scb->hscb->dataptr = scb->sg_list->addr;  in ahc_execute_scb()
360 		scb->hscb->datacnt = scb->sg_list->len;  in ahc_execute_scb()
362 		scb->hscb->sgptr = aic_htole32(SG_LIST_NULL);  in ahc_execute_scb()
363 		scb->hscb->dataptr = 0;  in ahc_execute_scb()
364 		scb->hscb->datacnt = 0;  in ahc_execute_scb()
367 	scb->sg_count = nsegments;  in ahc_execute_scb()
371 	tinfo = ahc_fetch_transinfo(ahc, SCSIID_CHANNEL(ahc, scb->hscb->scsiid),  in ahc_execute_scb()
372 				    SCSIID_OUR_ID(scb->hscb->scsiid),  in ahc_execute_scb()
373 				    SCSIID_TARGET(ahc, scb->hscb->scsiid),  in ahc_execute_scb()
376 	mask = SCB_GET_TARGET_MASK(ahc, scb);  in ahc_execute_scb()
377 	scb->hscb->scsirate = tinfo->scsirate;  in ahc_execute_scb()
378 	scb->hscb->scsioffset = tinfo->curr.offset;  in ahc_execute_scb()
381 		scb->hscb->control |= ULTRAENB;  in ahc_execute_scb()
384 		scb->hscb->control |= DISCENB;  in ahc_execute_scb()
387 		scb->flags |= SCB_AUTO_NEGOTIATE;  in ahc_execute_scb()
388 		scb->hscb->control |= MK_MESSAGE;  in ahc_execute_scb()
392 		scb->hscb->control |= TAG_ENB;  in ahc_execute_scb()
398 	LIST_INSERT_HEAD(&ahc->pending_scbs, scb, pending_links);  in ahc_execute_scb()
413 	if ((scb->hscb->control & (TARGET_SCB|TAG_ENB)) == 0  in ahc_execute_scb()
418 		target_offset = SCB_GET_TARGET_OFFSET(ahc, scb);  in ahc_execute_scb()
420 		TAILQ_INSERT_TAIL(untagged_q, scb, links.tqe);  in ahc_execute_scb()
421 		scb->flags |= SCB_UNTAGGEDQ;  in ahc_execute_scb()
422 		if (TAILQ_FIRST(untagged_q) != scb) {  in ahc_execute_scb()
431 	scb->flags |= SCB_ACTIVE;  in ahc_execute_scb()
433 	if ((scb->flags & SCB_TARGET_IMMEDIATE) != 0) {  in ahc_execute_scb()
435 		ahc->scb_data->scbindex[scb->hscb->tag] = scb;  in ahc_execute_scb()
438 			ahc_outb(ahc, SCBPTR, scb->hscb->tag);  in ahc_execute_scb()
439 		ahc_outb(ahc, TARG_IMMEDIATE_SCB, scb->hscb->tag);  in ahc_execute_scb()
442 		ahc_queue_scb(ahc, scb);  in ahc_execute_scb()
449 			ahc_adapter_req_set_xfer_mode(ahc, scb);  in ahc_execute_scb()
450 			ahc_scb_devinfo(ahc, &devinfo, scb);  in ahc_execute_scb()
472 			ahc_timeout(scb);  in ahc_execute_scb()
500 	       struct scb *scb)  in ahc_setup_data()  argument
504 	hscb = scb->hscb;  in ahc_setup_data()
517 		scb->flags |= SCB_CDB32_PTR;  in ahc_setup_data()
527 					scb->dmamap, xs->data,  in ahc_setup_data()
541 		ahc_execute_scb(scb, scb->dmamap->dm_segs,  in ahc_setup_data()
542 		    scb->dmamap->dm_nsegs);  in ahc_setup_data()
544 		ahc_execute_scb(scb, NULL, 0);  in ahc_setup_data()
551 	struct	scb *scb, *list_scb;  in ahc_timeout()  local
557 	scb = arg;  in ahc_timeout()
558 	ahc = scb->xs->sc_link->bus->sb_adapter_softc;  in ahc_timeout()
563 	printf("%s: SCB %d timed out\n", ahc_name(ahc), scb->hscb->tag);  in ahc_timeout()
569 	if (scb->flags & SCB_ACTIVE) {  in ahc_timeout()
570 		channel = SCB_GET_CHANNEL(ahc, scb);  in ahc_timeout()
571 		ahc_set_transaction_status(scb, CAM_CMD_TIMEOUT);  in ahc_timeout()
629 ahc_adapter_req_set_xfer_mode(struct ahc_softc *ahc, struct scb *scb)  in ahc_adapter_req_set_xfer_mode()  argument
641 	ahc_scb_devinfo(ahc, &devinfo, scb);  in ahc_adapter_req_set_xfer_mode()
642 	quirks = scb->xs->sc_link->quirks;  in ahc_adapter_req_set_xfer_mode()
709 	struct scb *scb;  in ahc_scb_alloc()  local
712 	scb = SLIST_FIRST(&ahc->scb_data->free_scbs);  in ahc_scb_alloc()
714 	if (scb != NULL)  in ahc_scb_alloc()
719 	return (scb);  in ahc_scb_alloc()
729 	struct scb *scb = io;  in ahc_scb_free()  local
732 	hscb = scb->hscb;  in ahc_scb_free()
735 	scb->flags = SCB_FLAG_NONE;  in ahc_scb_free()
739 	SLIST_INSERT_HEAD(&ahc->scb_data->free_scbs, scb, links.sle);  in ahc_scb_free()
743 	ahc_platform_scb_free(ahc, scb);  in ahc_scb_free()