457 	struct hvs_ccb *ccb;  in hvs_scsipi_request()  local
499 	ccb = hvs_get_ccb(sc);  in hvs_scsipi_request()
500 	if (ccb == NULL) {  in hvs_scsipi_request()
548 		error = bus_dmamap_load(sc->sc_dmat, ccb->ccb_dmap, xs->data,  in hvs_scsipi_request()
554 			hvs_put_ccb(sc, ccb);  in hvs_scsipi_request()
559 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmap, 0, xs->datalen,  in hvs_scsipi_request()
562 		ccb->ccb_sgl->gpa_len = xs->datalen;  in hvs_scsipi_request()
563 		ccb->ccb_sgl->gpa_ofs = (vaddr_t)xs->data & PAGE_MASK;  in hvs_scsipi_request()
564 		for (i = 0; i < ccb->ccb_dmap->dm_nsegs; i++)  in hvs_scsipi_request()
565 			ccb->ccb_sgl->gpa_page[i] =  in hvs_scsipi_request()
566 			    atop(ccb->ccb_dmap->dm_segs[i].ds_addr);  in hvs_scsipi_request()
567 		ccb->ccb_nsge = ccb->ccb_dmap->dm_nsegs;  in hvs_scsipi_request()
569 		ccb->ccb_nsge = 0;  in hvs_scsipi_request()
571 	ccb->ccb_xfer = xs;  in hvs_scsipi_request()
572 	ccb->ccb_cmd = &cmd;  in hvs_scsipi_request()
573 	ccb->ccb_done = hvs_scsi_cmd_done;  in hvs_scsipi_request()
578 	    ccb->ccb_rid, xs->cmd->opcode, xs->xs_control, xs->datalen);  in hvs_scsipi_request()
582 		error = hvs_poll(sc, sc->sc_chan, ccb);  in hvs_scsipi_request()
584 		error = hvs_start(sc, sc->sc_chan, ccb);  in hvs_scsipi_request()
586 		hvs_put_ccb(sc, ccb);  in hvs_scsipi_request()
593 hvs_start(struct hvs_softc *sc, struct vmbus_channel *chan, struct hvs_ccb *ccb)  in hvs_start()  argument
595 	union hvs_cmd *cmd = ccb->ccb_cmd;  in hvs_start()
598 	ccb->ccb_cmd = NULL;  in hvs_start()
600 	if (ccb->ccb_nsge > 0) {  in hvs_start()
601 		error = vmbus_channel_send_prpl(chan, ccb->ccb_sgl,  in hvs_start()
602 		    ccb->ccb_nsge, cmd, HVS_CMD_SIZE, ccb->ccb_rid);  in hvs_start()
607 			bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmap);  in hvs_start()
611 		    ccb->ccb_rid, VMBUS_CHANPKT_TYPE_INBAND,  in hvs_start()
622 hvs_poll_done(struct hvs_ccb *ccb)  in hvs_poll_done()  argument
624 	int *rv = ccb->ccb_cookie;  in hvs_poll_done()
626 	if (ccb->ccb_cmd) {  in hvs_poll_done()
627 		memcpy(&ccb->ccb_rsp, ccb->ccb_cmd, HVS_CMD_SIZE);  in hvs_poll_done()
628 		ccb->ccb_cmd = &ccb->ccb_rsp;  in hvs_poll_done()
630 		memset(&ccb->ccb_rsp, 0, HVS_CMD_SIZE);  in hvs_poll_done()
636 hvs_poll(struct hvs_softc *sc, struct vmbus_channel *chan, struct hvs_ccb *ccb)  in hvs_poll()  argument
642 	done = ccb->ccb_done;  in hvs_poll()
643 	cookie = ccb->ccb_cookie;  in hvs_poll()
645 	ccb->ccb_done = hvs_poll_done;  in hvs_poll()
646 	ccb->ccb_cookie = &rv;  in hvs_poll()
648 	if (hvs_start(sc, chan, ccb)) {  in hvs_poll()
649 		ccb->ccb_cookie = cookie;  in hvs_poll()
650 		ccb->ccb_done = done;  in hvs_poll()
661 	ccb->ccb_cookie = cookie;  in hvs_poll()
662 	ccb->ccb_done = done;  in hvs_poll()
663 	ccb->ccb_done(ccb);  in hvs_poll()
672 	struct hvs_ccb *ccb;  in hvs_intr()  local
710 			ccb = &sc->sc_ccbs[rid];  in hvs_intr()
711 			ccb->ccb_cmd = &cmd;  in hvs_intr()
712 			ccb->ccb_done(ccb);  in hvs_intr()
771 hvs_scsi_cmd_done(struct hvs_ccb *ccb)  in hvs_scsi_cmd_done()  argument
773 	struct scsipi_xfer *xs = ccb->ccb_xfer;  in hvs_scsi_cmd_done()
778 	union hvs_cmd *cmd = ccb->ccb_cmd;  in hvs_scsi_cmd_done()
783 	map = ccb->ccb_dmap;  in hvs_scsi_cmd_done()
787 	xs = ccb->ccb_xfer;  in hvs_scsi_cmd_done()
826 	hvs_put_ccb(sc, ccb);  in hvs_scsi_cmd_done()
853 	struct hvs_ccb *ccb;  in hvs_connect()  local
863 	ccb = hvs_get_ccb(sc);  in hvs_connect()
864 	if (ccb == NULL) {  in hvs_connect()
869 	ccb->ccb_done = hvs_empty_done;  in hvs_connect()
882 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
883 	if (hvs_poll(sc, sc->sc_chan, ccb)) {  in hvs_connect()
888 	if (ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
891 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
907 		ccb->ccb_cmd = &ucmd;  in hvs_connect()
908 		if (hvs_poll(sc, sc->sc_chan, ccb)) {  in hvs_connect()
913 		if (ccb->ccb_rsp.cmd_status == 0) {  in hvs_connect()
933 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
934 	if (hvs_poll(sc, sc->sc_chan, ccb)) {  in hvs_connect()
939 	if (ccb->ccb_rsp.cmd_op != HVS_MSG_IODONE ||  in hvs_connect()
940 	    ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
943 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
946 	chp = &ccb->ccb_rsp.chp.cmd_chp;  in hvs_connect()
979 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
980 	if (hvs_poll(sc, sc->sc_chan, ccb)) {  in hvs_connect()
985 	if (ccb->ccb_rsp.cmd_op != HVS_MSG_IODONE ||  in hvs_connect()
986 	    ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
989 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
1003 		ccb->ccb_cmd = &ucmd;  in hvs_connect()
1004 		if (hvs_poll(sc, sc->sc_chan, ccb)) {  in hvs_connect()
1009 		if (ccb->ccb_rsp.cmd_op != HVS_MSG_IODONE ||  in hvs_connect()
1010 		    ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
1013 			    ccb->ccb_rsp.cmd_status);  in hvs_connect()
1027 	hvs_put_ccb(sc, ccb);  in hvs_connect()
1031 	hvs_put_ccb(sc, ccb);  in hvs_connect()
1036 hvs_empty_done(struct hvs_ccb *ccb)  in hvs_empty_done()  argument
1080 	struct hvs_ccb *ccb;  in hvs_free_ccbs()  local
1084 		ccb = &sc->sc_ccbs[i];  in hvs_free_ccbs()
1085 		if (ccb->ccb_dmap == NULL)  in hvs_free_ccbs()
1088 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmap,  in hvs_free_ccbs()
1089 		    0, ccb->ccb_dmap->dm_mapsize,  in hvs_free_ccbs()
1091 		bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmap);  in hvs_free_ccbs()
1092 		bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmap);  in hvs_free_ccbs()
1094 		kmem_free(ccb->ccb_sgl,  in hvs_free_ccbs()
1106 	struct hvs_ccb *ccb;  in hvs_get_ccb()  local
1109 	ccb = SIMPLEQ_FIRST(&sc->sc_ccb_fq);  in hvs_get_ccb()
1110 	if (ccb != NULL)  in hvs_get_ccb()
1114 	return ccb;  in hvs_get_ccb()
1118 hvs_put_ccb(struct hvs_softc *sc, struct hvs_ccb *ccb)  in hvs_put_ccb()  argument
1121 	ccb->ccb_cmd = NULL;  in hvs_put_ccb()
1122 	ccb->ccb_xfer = NULL;  in hvs_put_ccb()
1123 	ccb->ccb_done = NULL;  in hvs_put_ccb()
1124 	ccb->ccb_cookie = NULL;  in hvs_put_ccb()
1125 	ccb->ccb_nsge = 0;  in hvs_put_ccb()
1128 	SIMPLEQ_INSERT_HEAD(&sc->sc_ccb_fq, ccb, ccb_link);  in hvs_put_ccb()