333 	struct hvs_ccb *ccb = xs->io;  in hvs_scsi_cmd()  local
397 		rv = bus_dmamap_load(sc->sc_dmat, ccb->ccb_dmap, xs->data,  in hvs_scsi_cmd()
407 		ccb->ccb_sgl->gpa_len = xs->datalen;  in hvs_scsi_cmd()
408 		ccb->ccb_sgl->gpa_ofs = (vaddr_t)xs->data & PAGE_MASK;  in hvs_scsi_cmd()
409 		for (i = 0; i < ccb->ccb_dmap->dm_nsegs; i++)  in hvs_scsi_cmd()
410 			ccb->ccb_sgl->gpa_page[i] =  in hvs_scsi_cmd()
411 			    atop(ccb->ccb_dmap->dm_segs[i].ds_addr);  in hvs_scsi_cmd()
412 		ccb->ccb_nsge = ccb->ccb_dmap->dm_nsegs;  in hvs_scsi_cmd()
414 		ccb->ccb_nsge = 0;  in hvs_scsi_cmd()
416 	ccb->ccb_xfer = xs;  in hvs_scsi_cmd()
417 	ccb->ccb_cmd = &cmd;  in hvs_scsi_cmd()
418 	ccb->ccb_done = hvs_scsi_cmd_done;  in hvs_scsi_cmd()
422 	    sc->sc_dev.dv_xname, link->target, link->lun, ccb->ccb_rid,  in hvs_scsi_cmd()
427 		rv = hvs_poll(sc, ccb);  in hvs_scsi_cmd()
429 		rv = hvs_start(sc, ccb);  in hvs_scsi_cmd()
440 hvs_start(struct hvs_softc *sc, struct hvs_ccb *ccb)  in hvs_start()  argument
442 	union hvs_cmd *cmd = ccb->ccb_cmd;  in hvs_start()
445 	ccb->ccb_cmd = NULL;  in hvs_start()
447 	if (ccb->ccb_nsge > 0) {  in hvs_start()
448 		rv = hv_channel_send_prpl(sc->sc_chan, ccb->ccb_sgl,  in hvs_start()
449 		    ccb->ccb_nsge, cmd, HVS_CMD_SIZE, ccb->ccb_rid);  in hvs_start()
453 			bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmap);  in hvs_start()
457 		    ccb->ccb_rid, VMBUS_CHANPKT_TYPE_INBAND,  in hvs_start()
468 hvs_poll_done(struct hvs_ccb *ccb)  in hvs_poll_done()  argument
470 	int *rv = ccb->ccb_cookie;  in hvs_poll_done()
472 	if (ccb->ccb_cmd) {  in hvs_poll_done()
473 		memcpy(&ccb->ccb_rsp, ccb->ccb_cmd, HVS_CMD_SIZE);  in hvs_poll_done()
474 		ccb->ccb_cmd = &ccb->ccb_rsp;  in hvs_poll_done()
476 		memset(&ccb->ccb_rsp, 0, HVS_CMD_SIZE);  in hvs_poll_done()
482 hvs_poll(struct hvs_softc *sc, struct hvs_ccb *ccb)  in hvs_poll()  argument
488 	done = ccb->ccb_done;  in hvs_poll()
489 	cookie = ccb->ccb_cookie;  in hvs_poll()
491 	ccb->ccb_done = hvs_poll_done;  in hvs_poll()
492 	ccb->ccb_cookie = &rv;  in hvs_poll()
494 	if (hvs_start(sc, ccb)) {  in hvs_poll()
495 		ccb->ccb_cookie = cookie;  in hvs_poll()
496 		ccb->ccb_done = done;  in hvs_poll()
507 	ccb->ccb_cookie = cookie;  in hvs_poll()
508 	ccb->ccb_done = done;  in hvs_poll()
509 	ccb->ccb_done(ccb);  in hvs_poll()
518 	struct hvs_ccb *ccb;  in hvs_intr()  local
557 			ccb = &sc->sc_ccbs[rid];  in hvs_intr()
558 			ccb->ccb_cmd = &cmd;  in hvs_intr()
559 			ccb->ccb_done(ccb);  in hvs_intr()
617 hvs_scsi_cmd_done(struct hvs_ccb *ccb)  in hvs_scsi_cmd_done()  argument
619 	struct scsi_xfer *xs = ccb->ccb_xfer;  in hvs_scsi_cmd_done()
621 	union hvs_cmd *cmd = ccb->ccb_cmd;  in hvs_scsi_cmd_done()
626 	map = ccb->ccb_dmap;  in hvs_scsi_cmd_done()
631 	xs = ccb->ccb_xfer;  in hvs_scsi_cmd_done()
711 	struct hvs_ccb *ccb;  in hvs_connect()  local
714 	ccb = scsi_io_get(&sc->sc_iopool, SCSI_POLL);  in hvs_connect()
715 	if (ccb == NULL) {  in hvs_connect()
720 	ccb->ccb_done = hvs_empty_done;  in hvs_connect()
733 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
734 	if (hvs_poll(sc, ccb)) {  in hvs_connect()
736 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
739 	if (ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
741 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
742 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
758 		ccb->ccb_cmd = &ucmd;  in hvs_connect()
759 		if (hvs_poll(sc, ccb)) {  in hvs_connect()
761 			scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
764 		if (ccb->ccb_rsp.cmd_status == 0) {  in hvs_connect()
771 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
784 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
785 	if (hvs_poll(sc, ccb)) {  in hvs_connect()
787 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
790 	if (ccb->ccb_rsp.cmd_op != HVS_MSG_IODONE ||  in hvs_connect()
791 	    ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
793 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
794 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
797 	chp = &ccb->ccb_rsp.chp.cmd_chp;  in hvs_connect()
819 	ccb->ccb_cmd = &ucmd;  in hvs_connect()
820 	if (hvs_poll(sc, ccb)) {  in hvs_connect()
822 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
825 	if (ccb->ccb_rsp.cmd_op != HVS_MSG_IODONE ||  in hvs_connect()
826 	    ccb->ccb_rsp.cmd_status != 0) {  in hvs_connect()
828 		    ccb->ccb_rsp.cmd_status);  in hvs_connect()
829 		scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
833 	scsi_io_put(&sc->sc_iopool, ccb);  in hvs_connect()
839 hvs_empty_done(struct hvs_ccb *ccb)  in hvs_empty_done()  argument
894 	struct hvs_ccb *ccb;  in hvs_free_ccbs()  local
898 		ccb = &sc->sc_ccbs[i];  in hvs_free_ccbs()
899 		if (ccb->ccb_dmap == NULL)  in hvs_free_ccbs()
901 		bus_dmamap_sync(sc->sc_dmat, ccb->ccb_dmap, 0, 0,  in hvs_free_ccbs()
903 		bus_dmamap_unload(sc->sc_dmat, ccb->ccb_dmap);  in hvs_free_ccbs()
904 		bus_dmamap_destroy(sc->sc_dmat, ccb->ccb_dmap);  in hvs_free_ccbs()
906 		free(ccb->ccb_sgl, M_DEVBUF, sizeof(struct vmbus_gpa_range) *  in hvs_free_ccbs()
919 	struct hvs_ccb *ccb;  in hvs_get_ccb()  local
922 	ccb = SIMPLEQ_FIRST(&sc->sc_ccb_fq);  in hvs_get_ccb()
923 	if (ccb != NULL)  in hvs_get_ccb()
927 	return (ccb);  in hvs_get_ccb()
934 	struct hvs_ccb *ccb = io;  in hvs_put_ccb()  local
936 	ccb->ccb_cmd = NULL;  in hvs_put_ccb()
937 	ccb->ccb_xfer = NULL;  in hvs_put_ccb()
938 	ccb->ccb_done = NULL;  in hvs_put_ccb()
939 	ccb->ccb_cookie = NULL;  in hvs_put_ccb()
940 	ccb->ccb_nsge = 0;  in hvs_put_ccb()
943 	SIMPLEQ_INSERT_HEAD(&sc->sc_ccb_fq, ccb, ccb_link);  in hvs_put_ccb()