dev/ic/wd33c93.c

397 wd33c93_error(struct wd33c93_softc *sc, struct wd33c93_acb *acb)
399 	struct scsipi_xfer *xs = acb->xs;
476 	struct wd33c93_acb *acb = sc->sc_nexus;
479 	sc->sc_daddr = acb->daddr;
480 	sc->sc_dleft = acb->dleft;
555 	struct wd33c93_acb *acb;
573 		acb = pool_get(&wd33c93_pool, PR_NOWAIT);
576 		if (acb == NULL) {
578 			printf("cannot allocate acb\n");
584 		acb->flags = ACB_ACTIVE;
585 		acb->xs    = xs;
586 		acb->clen  = xs->cmdlen;
587 		acb->daddr = xs->data;
588 		acb->dleft = xs->datalen;
589 		acb->timeout = xs->timeout;
590 		memcpy(&acb->cmd, xs->cmd, xs->cmdlen);
602 		TAILQ_INSERT_TAIL(&sc->ready_list, acb, chain);
603 		acb->flags |= ACB_READY;
613 		if (wd33c93_poll(sc, acb)) {
614 			wd33c93_timeout(acb);
615 			if (wd33c93_poll(sc, acb)) /* 2nd retry for ABORT */
616 				wd33c93_timeout(acb);
666 	struct wd33c93_acb *acb;
677 	TAILQ_FOREACH(acb, &sc->ready_list, chain) {
678 		periph = acb->xs->xs_periph;
683 		KASSERT(acb->flags & ACB_READY);
690 		else if ((acb->flags & ACB_SENSE) != 0)
692 		else if (acb->xs->xs_control & XS_CTL_POLL)
695 			tag = acb->xs->xs_tag_type;
714 			li->untagged = acb; /* Issue untagged */
720 				acb = li->untagged;
721 				periph = acb->xs->xs_periph;
726 		acb->tag_type = tag;
728 			if (li->queued[acb->xs->xs_tag_id])
730 			li->queued[acb->xs->xs_tag_id] = acb;
731 			acb->tag_id = acb->xs->xs_tag_id;
746 	if (acb == NULL) {
754 	TAILQ_REMOVE(&sc->ready_list, acb, chain);
755 	acb->flags &= ~ACB_READY;
757 	flags = acb->xs->xs_control;
762 	if (wd33c93_go(sc, acb) != 0 || acb->xs->error == XS_SELTIMEOUT) {
763 		acb->dleft = sc->sc_dleft;
764 		wd33c93_scsidone(sc, acb, sc->sc_status);
772 wd33c93_scsidone(struct wd33c93_softc *sc, struct wd33c93_acb *acb, int status)
774 	struct scsipi_xfer	*xs = acb->xs;
782 	if (acb == NULL || xs == NULL) {
786 	KASSERT(acb->flags != ACB_FREE);
795 	xs->resid = acb->dleft;
822 	wd33c93_dequeue(sc, acb);
823 	if (sc->sc_nexus == acb) {
834 	acb->flags = ACB_FREE;
835 	pool_put(&wd33c93_pool, acb);
842 wd33c93_dequeue(struct wd33c93_softc *sc, struct wd33c93_acb *acb)
844 	struct wd33c93_tinfo *ti = &sc->sc_tinfo[acb->xs->xs_periph->periph_target];
846 	int lun = acb->xs->xs_periph->periph_lun;
852 		      lun, acb);
854 	if (li->untagged == acb) {
858 	if (acb->tag_type && li->queued[acb->tag_id] != NULL) {
860 		if (li->queued[acb->tag_id] != NULL &&
861 		    (li->queued[acb->tag_id] != acb))
863 			    "instead of acb %p\n", acb->tag_id,
864 			    lun, li->queued[acb->tag_id], acb);
866 		li->queued[acb->tag_id] = NULL;
899 wd33c93_abort(struct wd33c93_softc *sc, struct wd33c93_acb *acb,
907 	scsipi_printaddr(acb->xs->xs_periph);
910 	acb->timeout = SBIC_ABORT_TIMEOUT;
911 	acb->flags |= ACB_ABORT;
916 	if (sc->sc_nexus == acb) {
918 		callout_reset(&acb->xs->xs_callout, mstohz(acb->timeout),
919 		    wd33c93_timeout, acb);
935 		scsipi_printaddr(acb->xs->xs_periph);
944 		scsipi_printaddr(acb->xs->xs_periph);
981 wd33c93_selectbus(struct wd33c93_softc *sc, struct wd33c93_acb *acb)
983 	struct scsipi_xfer *xs = acb->xs;
1000 		callout_reset(&xs->xs_callout, mstohz(acb->timeout),
1001 		    wd33c93_timeout, acb);
1040 			wd33c93_nextstate(sc, acb, csr, asr);
1309 wd33c93_go(struct wd33c93_softc *sc, struct wd33c93_acb *acb)
1311 	struct scsipi_xfer	*xs = acb->xs;
1317 	sc->sc_nexus = acb;
1323 	sc->sc_daddr = acb->daddr;
1324 	sc->sc_dleft = acb->dleft;
1338 	if ((csr = wd33c93_selectbus(sc, acb)) == 0)
1349 		i = wd33c93_nextstate(sc, acb, csr, asr);
1421 wd33c93_poll(struct wd33c93_softc *sc, struct wd33c93_acb *acb)
1425 	struct scsipi_xfer	*xs = acb->xs;
1428 	for (count=acb->timeout; count;) {
1534 	struct wd33c93_acb    *acb = sc->sc_nexus;
1552 				if (acb->tag_type &&
1553 				    li->queued[acb->tag_id] != NULL) {
1554 					li->queued[acb->tag_id] = NULL;
1557 				acb->tag_type = acb->tag_id = 0;
1558 				li->untagged = acb;
1569 				    acb->xs->xs_periph->periph_target);
1599 				acb->flags |= ACB_COMPLETE;
1601 			if (acb->xs->xs_control & XS_CTL_POLL)
1608 			if ((acb->xs->xs_periph->periph_quirks &
1615 			acb->daddr = sc->sc_daddr;
1616 			acb->dleft = sc->sc_dleft;
1621 			sc->sc_daddr = acb->daddr;
1622 			sc->sc_dleft = acb->dleft;
1700 				    acb->xs->xs_periph->periph_target);
1709 				scsipi_printaddr(acb->xs->xs_periph);
1717 			scsipi_printaddr(acb->xs->xs_periph);
1800 	struct wd33c93_acb *acb = sc->sc_nexus;
1802 	if (acb == NULL)
1813 			ti = &sc->sc_tinfo[acb->xs->xs_periph->periph_target];
1839 			    MSG_IDENTIFY(acb->xs->xs_periph->periph_lun, 0);
1846 			sc->sc_omsg[0] = acb->tag_type;
1847 			sc->sc_omsg[1] = acb->tag_id;
1892 wd33c93_nextstate(struct wd33c93_softc *sc, struct wd33c93_acb	*acb, u_char csr, u_char asr)
1903 		if (wd33c93_xfout(sc, acb->clen, &acb->cmd))
1924 		acb->dleft = (acb->flags & ACB_COMPLETE) ? 0 :
1930 		wd33c93_scsidone(sc, acb, sc->sc_status);
1946 		if (acb->dleft <= 0) {
1948 			    acb->dleft, asr, csr);
1955 		if (acb->xs->xs_control & XS_CTL_POLL ||
1972 				(acb->dleft - resid);
2046 		if (acb->xs->xs_control & XS_CTL_POLL || wd33c93_nodisc)
2151 		if (acb->xs)
2152 			wd33c93_error(sc, acb);
2153 		wd33c93_abort(sc, acb, "next");
2157 			wd33c93_scsidone(sc, acb, STATUS_UNKNOWN);
2171 	struct wd33c93_acb *acb;
2195 	acb = NULL;
2204 			acb = li->untagged;
2212 			acb = li->queued[tag_id];
2215 	if (acb == NULL) {
2224 	sc->sc_nexus  = acb;
2227 	if (!wd33c93_dmaok(sc, acb->xs))
2231 	sc->sc_daddr = acb->daddr;
2232 	sc->sc_dleft = acb->dleft;
2237 	if (acb->flags & ACB_RESET)
2239 	else if (acb->flags & ACB_ABORT)
2279 	struct wd33c93_acb *acb = arg;
2280 	struct scsipi_xfer *xs = acb->xs;
2291 	printf("%s: timed out; asr=0x%02x [acb %p (flags 0x%x, dleft %zx)], "
2293 	    device_xname(sc->sc_dev), asr, acb, acb->flags, acb->dleft,