Cross Reference: /src/sys/dev/ic/adw.c

Lines Matching defs:ccb
207 	ADW_CCB        *ccb;
211 		ccb = &ccbstore[i];
212 		if ((error = adw_init_ccb(sc, ccb)) != 0) {
214 			    "unable to initialize ccb, error = %d\n", error);
217 		TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, chain);
225  * A ccb is put onto the free list.
228 adw_free_ccb(ADW_SOFTC *sc, ADW_CCB *ccb)
234 	adw_reset_ccb(ccb);
235 	TAILQ_INSERT_HEAD(&sc->sc_free_ccb, ccb, chain);
242 adw_reset_ccb(ADW_CCB *ccb)
245 	ccb->flags = 0;
250 adw_init_ccb(ADW_SOFTC *sc, ADW_CCB *ccb)
255          * Create the DMA map for this CCB.
260 	    BUS_DMA_NOWAIT | BUS_DMA_ALLOCNOW, &ccb->dmamap_xfer);
263 		    "unable to create CCB DMA map, error = %d\n", error);
271 	ccb->hashkey = htole32(sc->sc_dmamap_control->dm_segs[0].ds_addr +
272 	    ADW_CCB_OFF(ccb));
273 	hashnum = CCB_HASH(ccb->hashkey);
274 	ccb->nexthash = sc->sc_ccbhash[hashnum];
275 	sc->sc_ccbhash[hashnum] = ccb;
276 	adw_reset_ccb(ccb);
282  * Get a free ccb
289 	ADW_CCB        *ccb = 0;
294 	ccb = sc->sc_free_ccb.tqh_first;
295 	if (ccb != NULL) {
296 		TAILQ_REMOVE(&sc->sc_free_ccb, ccb, chain);
297 		ccb->flags |= CCB_ALLOC;
300 	return (ccb);
305  * Given a physical address, find the ccb that it corresponds to.
311 	ADW_CCB *ccb = sc->sc_ccbhash[hashnum];
313 	while (ccb) {
314 		if (ccb->hashkey == ccb_phys)
316 		ccb = ccb->nexthash;
318 	return (ccb);
323  * Queue a CCB to be sent to the controller, and send it if possible.
326 adw_queue_ccb(ADW_SOFTC *sc, ADW_CCB *ccb)
330 	TAILQ_INSERT_TAIL(&sc->sc_waiting_ccb, ccb, chain);
332 	while ((ccb = sc->sc_waiting_ccb.tqh_first) != NULL) {
334 		TAILQ_REMOVE(&sc->sc_waiting_ccb, ccb, chain);
335 		errcode = AdwExeScsiQueue(sc, &ccb->scsiq);
349 		TAILQ_INSERT_TAIL(&sc->sc_pending_ccb, ccb, chain);
351 		if ((ccb->xs->xs_control & XS_CTL_POLL) == 0)
352 			callout_reset(&ccb->xs->xs_callout,
353 			    mstohz(ccb->timeout), adw_timeout, ccb);
543 	ADW_CCB        *ccb;
551 		 * get a ccb to use. If the transfer
556 		ccb = adw_get_ccb(sc);
562 		if (ccb == NULL) {
564 			printf("unable to allocate ccb\n");
569 		ccb->xs = xs;
570 		ccb->timeout = xs->timeout;
572 		if (adw_build_req(sc, ccb)) {
574 			retry = adw_queue_ccb(sc, ccb);
580 				adw_free_ccb(sc, ccb);
586 				adw_free_ccb(sc, ccb);
595 			if (adw_poll(sc, xs, ccb->timeout)) {
596 				adw_timeout(ccb);
597 				if (adw_poll(sc, xs, ccb->timeout))
598 					adw_timeout(ccb);
618 adw_build_req(ADW_SOFTC *sc, ADW_CCB *ccb)
620 	struct scsipi_xfer *xs = ccb->xs;
626 	scsiqp = &ccb->scsiq;
631 	 * physical CCB structure.
633 	scsiqp->ccb_ptr = ccb->hashkey;
652 	scsiqp->vsense_addr = &ccb->scsi_sense;
654 			ADW_CCB_OFF(ccb) + offsetof(struct adw_ccb, scsi_sense));
667 				ccb->dmamap_xfer, (struct uio *) xs->data,
676 			      ccb->dmamap_xfer, xs->data, xs->datalen, NULL,
697 			adw_free_ccb(sc, ccb);
702 		bus_dmamap_sync(dmat, ccb->dmamap_xfer, 0,
703 		    ccb->dmamap_xfer->dm_mapsize,
712 		scsiqp->data_addr = htole32(ccb->dmamap_xfer->dm_segs[0].ds_addr);
713 		memset(ccb->sg_block, 0,
715 		adw_build_sglist(ccb, scsiqp, ccb->sg_block);
733 adw_build_sglist(ADW_CCB *ccb, ADW_SCSI_REQ_Q *scsiqp, ADW_SG_BLOCK *sg_block)
738 	bus_dma_segment_t *sg_list = &ccb->dmamap_xfer->dm_segs[0];
739 	int             sg_elem_cnt = ccb->dmamap_xfer->dm_nsegs;
743 	sg_block_physical_addr = le32toh(ccb->hashkey) +
816 	ADW_CCB        *ccb = arg;
817 	struct scsipi_xfer *xs = ccb->xs;
828 	if (ccb->flags & CCB_ABORTED) {
840 	} else if (ccb->flags & CCB_ABORTING) {
848 		ccb->flags |= CCB_ABORTED;
853 		 * We cannot abort a CCB, so we can only hope the command
864 		ADW_ABORT_CCB(sc, ccb);
872 			    mstohz(ccb->timeout), adw_timeout, ccb);
881 		ccb->flags |= CCB_ABORTING;
886 		 * We cannot abort a CCB, so we can only hope the command
897 		ADW_ABORT_CCB(sc, ccb);
905 			    mstohz(ccb->timeout), adw_timeout, ccb);
915 	ADW_CCB	*ccb;
921 	while((ccb = TAILQ_LAST(&sc->sc_pending_ccb,
923 		callout_stop(&ccb->xs->xs_callout);
924 		TAILQ_REMOVE(&sc->sc_pending_ccb, ccb, chain);
925 		xs = ccb->xs;
926 		adw_free_ccb(sc, ccb);
1025 	ADW_CCB        *ccb;
1030 	ccb = adw_ccb_phys_kv(sc, scsiq->ccb_ptr);
1032 	callout_stop(&ccb->xs->xs_callout);
1034 	xs = ccb->xs;
1041 		bus_dmamap_sync(dmat, ccb->dmamap_xfer, 0,
1042 				ccb->dmamap_xfer->dm_mapsize,
1045 		bus_dmamap_unload(dmat, ccb->dmamap_xfer);
1048 	if ((ccb->flags & CCB_ALLOC) == 0) {
1049 		aprint_error_dev(sc->sc_dev, "exiting ccb not allocated!\n");
1075 			s1 = &ccb->scsi_sense;
1136 			TAILQ_REMOVE(&sc->sc_pending_ccb, ccb, chain);
1146 			TAILQ_REMOVE(&sc->sc_pending_ccb, ccb, chain);
1194 	TAILQ_REMOVE(&sc->sc_pending_ccb, ccb, chain);
1195 done:	adw_free_ccb(sc, ccb);
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