dev/ic/osiop.c

180 	struct osiop_acb *acb;
253 	acb = malloc(sizeof(struct osiop_acb) * OSIOP_NACB,
255 	sc->sc_acb = acb;
271 		    OSIOP_MAX_XFER, 0, BUS_DMA_NOWAIT, &acb->datadma);
278 		acb->sc = sc;
279 		acb->ds = &sc->sc_ds[i];
280 		acb->dsoffset = sizeof(struct osiop_ds) * i;
282 		dsa = sc->sc_dsdma->dm_segs[0].ds_addr + acb->dsoffset;
283 		acb->ds->id.addr = dsa + OSIOP_DSIDOFF;
284 		acb->ds->cmd.addr = dsa + OSIOP_DSCMDOFF;
285 		acb->ds->status.count = 1;
286 		acb->ds->status.addr = dsa + OSIOP_DSSTATOFF;
287 		acb->ds->msg.count = 1;
288 		acb->ds->msg.addr = dsa + OSIOP_DSMSGOFF;
289 		acb->ds->msgin.count = 1;
290 		acb->ds->msgin.addr = dsa + OSIOP_DSMSGINOFF;
291 		acb->ds->extmsg.count = 1;
292 		acb->ds->extmsg.addr = dsa + OSIOP_DSEXTMSGOFF;
293 		acb->ds->synmsg.count = 3;
294 		acb->ds->synmsg.addr = dsa + OSIOP_DSSYNMSGOFF;
295 		TAILQ_INSERT_TAIL(&sc->free_list, acb, chain);
297 		acb++;
356 	struct osiop_acb *acb;
380 		acb = TAILQ_FIRST(&sc->free_list);
381 		if (acb != NULL) {
382 			TAILQ_REMOVE(&sc->free_list, acb, chain);
387 			printf("unable to allocate acb\n");
392 		acb->status = ACB_S_READY;
393 		acb->xs = xs;
397 			err = bus_dmamap_load(sc->sc_dmat, acb->datadma,
407 				TAILQ_INSERT_TAIL(&sc->free_list, acb, chain);
413 		acb->cmdlen = xs->cmdlen;
414 		acb->datalen = xs->datalen;
416 		acb->data = xs->data;
419 		TAILQ_INSERT_TAIL(&sc->ready_list, acb, chain);
427 			osiop_poll(sc, acb);
457 osiop_poll(struct osiop_softc *sc, struct osiop_acb *acb)
459 	struct scsipi_xfer *xs = acb->xs;
484 				    acb->ds, acb->xs->timeout);
501 			if (acb != sc->sc_nexus)
527 	struct osiop_acb *acb;
540 	TAILQ_FOREACH(acb, &sc->ready_list, chain) {
541 		periph = acb->xs->xs_periph;
546 			TAILQ_REMOVE(&sc->ready_list, acb, chain);
547 			sc->sc_nexus = acb;
554 	if (acb == NULL) {
562 	if (acb->xs->xs_control & XS_CTL_RESET)
570 osiop_scsidone(struct osiop_acb *acb, int status)
578 	if (acb == NULL || acb->xs == NULL) {
579 		printf("osiop_scsidone: NULL acb or scsipi_xfer\n");
586 	xs = acb->xs;
587 	sc = acb->sc;
591 	if (acb->status != ACB_S_DONE)
592 		printf("%s: acb not done (status %d)\n",
593 		    device_xname(sc->sc_dev), acb->status);
630 		bus_dmamap_sync(sc->sc_dmat, acb->datadma, 0, acb->datalen,
633 		bus_dmamap_unload(sc->sc_dmat, acb->datadma);
643 	if (acb == sc->sc_nexus) {
651 	} else if (sc->ready_list.tqh_last == &TAILQ_NEXT(acb, chain)) {
652 		TAILQ_REMOVE(&sc->ready_list, acb, chain);
657 			if (acb2 == acb) {
658 				TAILQ_REMOVE(&sc->nexus_list, acb, chain);
666 			if (TAILQ_NEXT(acb, chain) != NULL) {
667 				TAILQ_REMOVE(&sc->ready_list, acb, chain);
670 				printf("%s: can't find matching acb\n",
682 	acb->status = ACB_S_FREE;
683 	TAILQ_INSERT_TAIL(&sc->free_list, acb, chain);
769 	struct osiop_acb *acb;
843 	while ((acb = TAILQ_FIRST(&sc->nexus_list)) != NULL) {
844 		acb->xs->error = (acb->flags & ACB_F_TIMEOUT) ?
846 		acb->status = ACB_S_DONE;
847 		acb->flags = 0;
848 		osiop_scsidone(acb, SCSI_OSIOP_NOCHECK);
880 	struct osiop_acb *acb = sc->sc_nexus;
881 	struct osiop_ds *ds = acb->ds;
882 	struct scsipi_xfer *xs = acb->xs;
883 	bus_dmamap_t dsdma = sc->sc_dsdma, datadma = acb->datadma;
893 		    sc->sc_script, acb->ds, sc->sc_active);
909 	if (acb->status != ACB_S_READY)
910 		panic("osiop_start: non-ready cmd in acb");
913 	acb->intstat = 0;
916 	memcpy(ds->scsipi_cmd, xs->cmd, acb->cmdlen);
917 	ds->cmd.count = acb->cmdlen;
966 	acb->curaddr = 0;
967 	acb->curlen = 0;
978 		bus_dmamap_sync(sc->sc_dmat, acb->datadma,
979 		    0, acb->datalen, (xs->xs_control & XS_CTL_DATA_IN) ?
985 	    acb->dsoffset, sizeof(struct osiop_ds),
988 	acb->status = ACB_S_ACTIVE;
992 		int timeout = mstohz(acb->xs->timeout);
997 		    osiop_timeout, acb);
1004 		    sc->sc_script, acb->ds, sc->sc_active);
1019 		    dsdma->dm_segs[0].ds_addr + acb->dsoffset);
1045 	struct osiop_acb *acb = sc->sc_nexus;
1081 	if (acb != NULL) { /* XXX */
1082 		ds = acb->ds;
1084 		    acb->dsoffset, sizeof(struct osiop_ds),
1087 		if (acb->status != ACB_S_ACTIVE)
1088 			printf("osiop_checkintr: acb not active (status %d)\n",
1089 			    acb->status);
1098 		if (acb == NULL) {
1105 		    dsdma->dm_segs[0].ds_addr + acb->dsoffset) {
1108 			    dsdma->dm_segs[0].ds_addr + acb->dsoffset);
1112 		target = acb->xs->xs_periph->periph_target;
1144 		acb->status = ACB_S_DONE;
1148 		if (acb == NULL) {
1153 		target = acb->xs->xs_periph->periph_target;
1175 			    acb->dsoffset, sizeof(struct osiop_ds),
1197 		if (acb == NULL) {
1202 		if (acb->datalen > 0) {
1208 			acb->curaddr = osiop_read_4(sc, OSIOP_DNAD) - adjust;
1209 			acb->curlen = dbc + adjust;
1214 				    "adjust %x sbcl %x starts %d acb %p\n",
1215 				    acb->curaddr, acb->curlen, dfifo,
1218 				    osiopstarts, acb);
1228 				    acb->dsoffset, sizeof(struct osiop_ds),
1270 		if (acb == NULL) {
1279 			    dsdma->dm_segs[0].ds_addr + acb->dsoffset);
1305 		acb->status = ACB_S_DONE;
1307 		acb->xs->error = XS_SELTIMEOUT;
1313 	if (acb != NULL)
1314 		target = acb->xs->xs_periph->periph_target;
1320 		if (acb == NULL)
1330 		return (acb != NULL);
1335 		if (acb == NULL) {
1344 			    "dbc %x sstat1 %x starts %d acb %p\n",
1349 			    acb->curaddr, acb->curlen,
1351 			    dfifo, dbc, sstat1, osiopstarts, acb);
1353 			    acb->dsoffset, sizeof(struct osiop_ds),
1365 		if (acb->datalen > 0 &&
1369 			if (acb->curlen != 0 &&
1370 			    acb->curlen != ds->data[0].count)
1374 				    acb->curaddr, acb->curlen,
1383 				acb->curaddr = ds->data[n].addr;
1384 				acb->curlen = ds->data[n].count;
1391 				    acb->curaddr, acb->curlen);
1402 		if (acb->curlen > 0) {
1417 				if (acb->curaddr >= ds->data[i].addr &&
1418 				    acb->curaddr <
1425 				    acb->curaddr, acb->curlen, i);
1434 				    acb->curaddr, acb->curlen);
1436 			ds->data[0].addr = acb->curaddr;
1437 			ds->data[0].count = acb->curlen;
1457 			    acb->dsoffset, sizeof(struct osiop_ds),
1466 		acb->intstat = sc->sc_flags & OSIOP_INTSOFF;
1467 		TAILQ_INSERT_TAIL(&sc->nexus_list, acb, chain);
1509 		 * locate acb of reselecting device
1510 		 * set sc->sc_nexus to acb
1512 		TAILQ_FOREACH(acb, &sc->nexus_list, chain) {
1513 			struct scsipi_periph *periph = acb->xs->xs_periph;
1518 			TAILQ_REMOVE(&sc->nexus_list, acb, chain);
1519 			sc->sc_nexus = acb;
1520 			sc->sc_flags |= acb->intstat;
1521 			acb->intstat = 0;
1523 			    dsdma->dm_segs[0].ds_addr + acb->dsoffset);
1530 		if (acb == NULL) {
1583 		if (acb == NULL) {
1595 		    acb->dsoffset, sizeof(struct osiop_ds),
1636 	    acb ? sc->sc_dsdma->dm_segs[0].ds_addr + acb->dsoffset : 0,
1657 	if (acb != NULL)
1658 		acb->status = ACB_S_DONE;
1665 	struct osiop_acb *acb = sc->sc_nexus;
1672 	if (acb->xs->xs_control & XS_CTL_POLL || sc->sc_flags & OSIOP_NODMA) {
1691 		    acb->xs->xs_periph->periph_target,
1692 		    acb->xs->cmd->opcode, sc->sc_nexus->ds);
1841 	struct osiop_acb *acb = arg;
1842 	struct scsipi_xfer *xs = acb->xs;
1843 	struct osiop_softc *sc = acb->sc;
1855 	acb->flags |= ACB_F_TIMEOUT;
1881 osiop_dump_acb(struct osiop_acb *acb)
1886 	printf("acb@%p ", acb);
1887 	if (acb->xs == NULL) {
1892 	b = (uint8_t *)&acb->xs->cmd;
1894 	    acb->xs->xs_periph->periph_target,
1895 	    acb->xs->xs_periph->periph_lun, acb->status, acb->cmdlen);
1896 	for (i = acb->cmdlen; i > 0; i--)
1899 	printf("  xs: %p data %p:%04x ", acb->xs, acb->xs->data,
1900 	    acb->xs->datalen);
1901 	printf("va %p:%lx ", acb->data, acb->datalen);
1902 	printf("cur %lx:%lx\n", acb->curaddr, acb->curlen);
1908 	struct osiop_acb *acb;
1917 	if ((acb = TAILQ_FIRST(&sc->free_list)) != NULL) {
1919 		while (acb) {
1920 			osiop_dump_acb(acb);
1921 			acb = TAILQ_NEXT(acb, chain);
1924 	if ((acb = TAILQ_FIRST(&sc->ready_list)) != NULL) {
1926 		while (acb) {
1927 			osiop_dump_acb(acb);
1928 			acb = TAILQ_NEXT(acb, chain);
1931 	if ((acb = TAILQ_FIRST(&sc->nexus_list)) != NULL) {
1933 		while (acb) {
1934 			osiop_dump_acb(acb);
1935 			acb = TAILQ_NEXT(acb, chain);