104 	struct ciss_ccb *ccb;  in ciss_get_ccb()  local
107 	if ((ccb = TAILQ_LAST(&sc->sc_free_ccb, ciss_queue_head))) {  in ciss_get_ccb()
108 		TAILQ_REMOVE(&sc->sc_free_ccb, ccb, ccb_link);  in ciss_get_ccb()
109 		ccb->ccb_state = CISS_CCB_READY;  in ciss_get_ccb()
112 	return ccb;  in ciss_get_ccb()
116 ciss_put_ccb(struct ciss_softc *sc, struct ciss_ccb *ccb)  in ciss_put_ccb()  argument
118 	ccb->ccb_state = CISS_CCB_FREE;  in ciss_put_ccb()
120 	TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link);  in ciss_put_ccb()
219 	struct ciss_ccb *ccb;  in ciss_attach()  local
244 	    sizeof(ccb->ccb_cmd.sgl[0]) * (sc->maxsg - 1);  in ciss_attach()
346 		ccb = (struct ciss_ccb *) ((char *)sc->ccbs + i * sc->ccblen);  in ciss_attach()
347 		cmd = &ccb->ccb_cmd;  in ciss_attach()
350 		ccb->ccb_cmdpa = pa + offsetof(struct ciss_ccb, ccb_cmd);  in ciss_attach()
351 		ccb->ccb_state = CISS_CCB_FREE;  in ciss_attach()
357 		cmd->err_len = htole32(sizeof(ccb->ccb_err));  in ciss_attach()
363 		    &ccb->ccb_dmamap)))  in ciss_attach()
366 		TAILQ_INSERT_TAIL(&sc->sc_free_ccb, ccb, ccb_link);  in ciss_attach()
539 	struct ciss_ccb *ccb;  in ciss_enqueue()  local
544 	ccb = (struct ciss_ccb *) ((char *)sc->ccbs + (id >> 2) * sc->ccblen);  in ciss_enqueue()
545 	ccb->ccb_cmd.id = htole32(id);  in ciss_enqueue()
546 	ccb->ccb_cmd.id_hi = htole32(0);  in ciss_enqueue()
547 	TAILQ_INSERT_TAIL(q, ccb, ccb_link);  in ciss_enqueue()
612 ciss_poll(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms)  in ciss_poll()  argument
635 			if (ccb1 == ccb) {  in ciss_poll()
646 ciss_wait(struct ciss_softc *sc, struct ciss_ccb *ccb, int ms)  in ciss_wait()  argument
664 		if (ccb->ccb_state == CISS_CCB_ONQ) {  in ciss_wait()
665 			ciss_done(sc, ccb);  in ciss_wait()
682 ciss_cmd(struct ciss_softc *sc, struct ciss_ccb *ccb, int flags, int wait)  in ciss_cmd()  argument
684 	struct ciss_cmd *cmd = &ccb->ccb_cmd;  in ciss_cmd()
685 	bus_dmamap_t dmap = ccb->ccb_dmamap;  in ciss_cmd()
691 	if (ccb->ccb_state != CISS_CCB_READY) {  in ciss_cmd()
693 		    cmd->id, ccb->ccb_state);  in ciss_cmd()
697 	if (ccb->ccb_data) {  in ciss_cmd()
700 		if ((error = bus_dmamap_load(sc->sc_dmat, dmap, ccb->ccb_data,  in ciss_cmd()
701 		    ccb->ccb_len, NULL, flags))) {  in ciss_cmd()
706 			ciss_put_ccb(sc, ccb);  in ciss_cmd()
713 		    ccb->ccb_data, ccb->ccb_len, sgd->ds_addr, sgd->ds_len));  in ciss_cmd()
734 			ccb->ccb_sg_tag = CISS_SG_FETCH_NONE;  in ciss_cmd()
736 			ccb->ccb_sg_tag = CISS_SG_FETCH_1;  in ciss_cmd()
738 			ccb->ccb_sg_tag = CISS_SG_FETCH_2;  in ciss_cmd()
740 			ccb->ccb_sg_tag = CISS_SG_FETCH_4;  in ciss_cmd()
742 			ccb->ccb_sg_tag = CISS_SG_FETCH_8;  in ciss_cmd()
744 			ccb->ccb_sg_tag = CISS_SG_FETCH_16;  in ciss_cmd()
746 			ccb->ccb_sg_tag = CISS_SG_FETCH_32;  in ciss_cmd()
748 			ccb->ccb_sg_tag = CISS_SG_FETCH_MAX;  in ciss_cmd()
750 		ccb->ccb_sg_tag = CISS_SG_FETCH_NONE;  in ciss_cmd()
754 	memset(&ccb->ccb_err, 0, sizeof(ccb->ccb_err));  in ciss_cmd()
764 		ccb->ccb_state = CISS_CCB_ONQ;  in ciss_cmd()
766 		ccb->ccb_state = CISS_CCB_POLL;  in ciss_cmd()
769 	addr = (u_int64_t)ccb->ccb_cmdpa;  in ciss_cmd()
778 		addr |= 1 | (ccb->ccb_sg_tag << 1);  in ciss_cmd()
797 		ms = ccb->ccb_xs ? ccb->ccb_xs->timeout : 60000;  in ciss_cmd()
799 			error = ciss_wait(sc, ccb, ms);  in ciss_cmd()
801 			error = ciss_poll(sc, ccb, ms);  in ciss_cmd()
804 		if (ccb->ccb_state != CISS_CCB_FREE) {  in ciss_cmd()
806 			ccb->ccb_err.cmd_stat = CISS_ERR_TMO;  in ciss_cmd()
807 			error = ciss_done(sc, ccb);  in ciss_cmd()
811 		    ccb->ccb_err.cmd_stat, ccb->ccb_err.scsi_stat));  in ciss_cmd()
822 ciss_done(struct ciss_softc *sc, struct ciss_ccb *ccb)  in ciss_done()  argument
824 	struct scsipi_xfer *xs = ccb->ccb_xs;  in ciss_done()
828 	CISS_DPRINTF(CISS_D_CMD, ("ciss_done(%p) ", ccb));  in ciss_done()
830 	if (ccb->ccb_state != CISS_CCB_ONQ) {  in ciss_done()
832 		    device_xname(sc->sc_dev), ccb, ccb->ccb_state);  in ciss_done()
836 	ccb->ccb_state = CISS_CCB_READY;  in ciss_done()
838 	if (ccb->ccb_cmd.id & CISS_CMD_ERR)  in ciss_done()
839 		error = ciss_error(sc, ccb);  in ciss_done()
841 	cmd = &ccb->ccb_cmd;  in ciss_done()
842 	if (ccb->ccb_data) {  in ciss_done()
843 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmamap, 0,  in ciss_done()
844 		    ccb->ccb_dmamap->dm_mapsize, (cmd->flags & CISS_CDB_IN) ?  in ciss_done()
846 		bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmamap);  in ciss_done()
847 		ccb->ccb_xs = NULL;  in ciss_done()
848 		ccb->ccb_data = NULL;  in ciss_done()
851 	ciss_put_ccb(sc, ccb);  in ciss_done()
871 ciss_error(struct ciss_softc *sc, struct ciss_ccb *ccb)  in ciss_error()  argument
873 	struct ciss_error *err = &ccb->ccb_err;  in ciss_error()
874 	struct scsipi_xfer *xs = ccb->ccb_xs;  in ciss_error()
886 			    device_xname(sc->sc_dev), ccb->ccb_cmd.id,  in ciss_error()
945 	ccb->ccb_cmd.id &= htole32(~3);  in ciss_error()
953 	struct ciss_ccb *ccb;  in ciss_inq()  local
956 	ccb = ciss_get_ccb(sc);  in ciss_inq()
957 	ccb->ccb_len = sizeof(*inq);  in ciss_inq()
958 	ccb->ccb_data = inq;  in ciss_inq()
959 	ccb->ccb_xs = NULL;  in ciss_inq()
960 	cmd = &ccb->ccb_cmd;  in ciss_inq()
972 	return ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP);  in ciss_inq()
978 	struct ciss_ccb *ccb;  in ciss_ldmap()  local
988 	ccb = ciss_get_ccb(sc);  in ciss_ldmap()
989 	ccb->ccb_len = total;  in ciss_ldmap()
990 	ccb->ccb_data = lmap;  in ciss_ldmap()
991 	ccb->ccb_xs = NULL;  in ciss_ldmap()
992 	cmd = &ccb->ccb_cmd;  in ciss_ldmap()
1003 	rv = ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP);  in ciss_ldmap()
1020 	struct ciss_ccb *ccb;  in ciss_sync()  local
1030 	ccb = ciss_get_ccb(sc);  in ciss_sync()
1031 	ccb->ccb_len = sizeof(*flush);  in ciss_sync()
1032 	ccb->ccb_data = flush;  in ciss_sync()
1033 	ccb->ccb_xs = NULL;  in ciss_sync()
1034 	cmd = &ccb->ccb_cmd;  in ciss_sync()
1046 	rv = ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL|XS_CTL_NOSLEEP);  in ciss_sync()
1055 	struct ciss_ccb *ccb;  in ciss_ldid()  local
1058 	ccb = ciss_get_ccb(sc);  in ciss_ldid()
1059 	if (ccb == NULL)  in ciss_ldid()
1061 	ccb->ccb_len = sizeof(*id);  in ciss_ldid()
1062 	ccb->ccb_data = id;  in ciss_ldid()
1063 	ccb->ccb_xs = NULL;  in ciss_ldid()
1064 	cmd = &ccb->ccb_cmd;  in ciss_ldid()
1077 	return ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag);  in ciss_ldid()
1083 	struct ciss_ccb *ccb;  in ciss_ldstat()  local
1086 	ccb = ciss_get_ccb(sc);  in ciss_ldstat()
1087 	if (ccb == NULL)  in ciss_ldstat()
1089 	ccb->ccb_len = sizeof(*stat);  in ciss_ldstat()
1090 	ccb->ccb_data = stat;  in ciss_ldstat()
1091 	ccb->ccb_xs = NULL;  in ciss_ldstat()
1092 	cmd = &ccb->ccb_cmd;  in ciss_ldstat()
1105 	return ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL | sc->sc_waitflag);  in ciss_ldstat()
1111 	struct ciss_ccb *ccb;  in ciss_pdid()  local
1114 	ccb = ciss_get_ccb(sc);  in ciss_pdid()
1115 	if (ccb == NULL)  in ciss_pdid()
1117 	ccb->ccb_len = sizeof(*id);  in ciss_pdid()
1118 	ccb->ccb_data = id;  in ciss_pdid()
1119 	ccb->ccb_xs = NULL;  in ciss_pdid()
1120 	cmd = &ccb->ccb_cmd;  in ciss_pdid()
1133 	return ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, wait);  in ciss_pdid()
1182 	struct ciss_ccb *ccb;  in ciss_scsi_cmd()  local
1207 		ccb = ciss_get_ccb(sc);  in ciss_scsi_cmd()
1208 		cmd = &ccb->ccb_cmd;  in ciss_scsi_cmd()
1209 		ccb->ccb_len = xs->datalen;  in ciss_scsi_cmd()
1210 		ccb->ccb_data = xs->data;  in ciss_scsi_cmd()
1211 		ccb->ccb_xs = xs;  in ciss_scsi_cmd()
1226 		if (ciss_cmd(sc, ccb, BUS_DMA_WAITOK,  in ciss_scsi_cmd()
1258 	struct ciss_ccb *ccb;  in ciss_completed_process()  local
1261 		ccb = TAILQ_FIRST(q);  in ciss_completed_process()
1262 		TAILQ_REMOVE(q, ccb, ccb_link);  in ciss_completed_process()
1264 		if (ccb->ccb_state == CISS_CCB_POLL) {  in ciss_completed_process()
1265 			ccb->ccb_state = CISS_CCB_ONQ;  in ciss_completed_process()
1270 			ciss_done(sc, ccb);  in ciss_completed_process()
1595 	struct ciss_ccb *ccb;  in ciss_blink()  local
1610 	ccb = ciss_get_ccb(sc);  in ciss_blink()
1611 	if (ccb == NULL)  in ciss_blink()
1613 	ccb->ccb_len = sizeof(*blink);  in ciss_blink()
1614 	ccb->ccb_data = blink;  in ciss_blink()
1615 	ccb->ccb_xs = NULL;  in ciss_blink()
1616 	cmd = &ccb->ccb_cmd;  in ciss_blink()
1628 	return ciss_cmd(sc, ccb, BUS_DMA_NOWAIT, XS_CTL_POLL);  in ciss_blink()