286 	struct scsi_link		*link = sa->sa_sc_link;  in scsibussubmatch()  local
288 	if (cf->cf_loc[0] != -1 && cf->cf_loc[0] != link->target)  in scsibussubmatch()
290 	if (cf->cf_loc[1] != -1 && cf->cf_loc[1] != link->lun)  in scsibussubmatch()
355 	struct scsi_link		*link;  in scsi_activate_bus()  local
359 	SLIST_FOREACH(link, &sb->sc_link_list, bus_list) {  in scsi_activate_bus()
360 		r = scsi_activate_link(link, act);  in scsi_activate_bus()
370 	struct scsi_link		*link;  in scsi_activate_target()  local
374 	SLIST_FOREACH(link, &sb->sc_link_list, bus_list) {  in scsi_activate_target()
375 		if (link->target == target) {  in scsi_activate_target()
376 			r = scsi_activate_link(link, act);  in scsi_activate_target()
387 	struct scsi_link *link;  in scsi_activate_lun()  local
390 	link = scsi_get_link(sb, target, lun);  in scsi_activate_lun()
391 	if (link == NULL)  in scsi_activate_lun()
394 	return scsi_activate_link(link, act);  in scsi_activate_lun()
398 scsi_activate_link(struct scsi_link *link, int act)  in scsi_activate_link()  argument
403 	dev = link->device_softc;  in scsi_activate_link()
406 		atomic_setbits_int(&link->state, SDEV_S_DYING);  in scsi_activate_link()
481 	struct scsi_link			*link, *link0;  in scsi_probe_link()  local
490 	link = malloc(sizeof(*link), M_DEVBUF, M_NOWAIT);  in scsi_probe_link()
491 	if (link == NULL) {  in scsi_probe_link()
492 		SC_DEBUG(link, SDEV_DB2, ("malloc(scsi_link) failed.\n"));  in scsi_probe_link()
496 	link->state = 0;  in scsi_probe_link()
497 	link->target = target;  in scsi_probe_link()
498 	link->lun = lun;  in scsi_probe_link()
499 	link->openings = sb->sb_openings;  in scsi_probe_link()
500 	link->node_wwn = link->port_wwn = 0;  in scsi_probe_link()
501 	link->flags = sb->sb_flags;  in scsi_probe_link()
502 	link->quirks = sb->sb_quirks;  in scsi_probe_link()
503 	link->interpret_sense = scsi_interpret_sense;  in scsi_probe_link()
504 	link->device_softc = NULL;  in scsi_probe_link()
505 	link->bus = sb;  in scsi_probe_link()
506 	memset(&link->inqdata, 0, sizeof(link->inqdata));  in scsi_probe_link()
507 	link->id = NULL;  in scsi_probe_link()
508 	TAILQ_INIT(&link->queue);  in scsi_probe_link()
509 	link->running = 0;  in scsi_probe_link()
510 	link->pending = 0;  in scsi_probe_link()
511 	link->pool = sb->sb_pool;  in scsi_probe_link()
513 	SC_DEBUG(link, SDEV_DB2, ("scsi_link created.\n"));  in scsi_probe_link()
517 	    sb->sb_adapter->dev_probe(link) != 0) {  in scsi_probe_link()
519 			SC_DEBUG(link, SDEV_DB2, ("dev_probe(link) failed.\n"));  in scsi_probe_link()
522 		free(link, M_DEVBUF, sizeof(*link));  in scsi_probe_link()
530 	if (link->pool == NULL) {  in scsi_probe_link()
531 		link->pool = malloc(sizeof(*link->pool), M_DEVBUF, M_NOWAIT);  in scsi_probe_link()
532 		if (link->pool == NULL) {  in scsi_probe_link()
533 			SC_DEBUG(link, SDEV_DB2, ("malloc(pool) failed.\n"));  in scsi_probe_link()
537 		scsi_iopool_init(link->pool, link, scsi_default_get,  in scsi_probe_link()
540 		SET(link->flags, SDEV_OWN_IOPL);  in scsi_probe_link()
549 	devquirks = link->quirks;  in scsi_probe_link()
550 	SET(link->quirks, SDEV_NOSYNC | SDEV_NOWIDE | SDEV_NOTAGS);  in scsi_probe_link()
560 		SET(link->flags, scsidebug_level);  in scsi_probe_link()
565 		scsi_test_unit_ready(link, TEST_READY_RETRIES,  in scsi_probe_link()
573 		SC_DEBUG(link, SDEV_DB2, ("dma_alloc(inqbuf) failed.\n"));  in scsi_probe_link()
578 	rslt = scsi_inquire(link, inqbuf, scsi_autoconf | SCSI_SILENT);  in scsi_probe_link()
586 	memcpy(&link->inqdata, inqbuf, inqbytes);  in scsi_probe_link()
588 	inqbuf = &link->inqdata;  in scsi_probe_link()
613 	scsi_devid(link);  in scsi_probe_link()
618 	else if (ISSET(link->flags, SDEV_UMASS))  in scsi_probe_link()
620 	else if (link->id != NULL && !DEVID_CMP(link0->id, link->id))  in scsi_probe_link()
625 		SC_DEBUG(link, SDEV_DB1, ("IDENTIFY not supported.\n"));  in scsi_probe_link()
630 	link->quirks = devquirks;	/* Restore what the device wanted. */  in scsi_probe_link()
637 		SET(link->quirks, finger->quirks);  in scsi_probe_link()
642 		SET(link->quirks, SDEV_NOTAGS | SDEV_NOSYNC | SDEV_NOWIDE |  in scsi_probe_link()
649 			SET(link->quirks, SDEV_NOTAGS);  in scsi_probe_link()
651 			SET(link->quirks, SDEV_NOSYNC);  in scsi_probe_link()
653 			SET(link->quirks, SDEV_NOWIDE);  in scsi_probe_link()
660 			SET(link->quirks, SDEV_NOTAGS);  in scsi_probe_link()
669 	if (ISSET(link->quirks, SDEV_NOTAGS))  in scsi_probe_link()
670 		link->openings = 1;  in scsi_probe_link()
676 		SET(link->flags, SDEV_REMOVABLE);  in scsi_probe_link()
678 	sa.sa_sc_link = link;  in scsi_probe_link()
693 	if (lun == 0 && ISSET(link->flags, SDEV_UMASS) &&  in scsi_probe_link()
697 		link->lun = 1;  in scsi_probe_link()
698 		scsi_inquire(link, usbinqbuf, scsi_autoconf | SCSI_SILENT);  in scsi_probe_link()
699 		link->lun = 0;  in scsi_probe_link()
704 	scsi_add_link(link);  in scsi_probe_link()
715 	scsi_test_unit_ready(link, TEST_READY_RETRIES,  in scsi_probe_link()
723 	scsi_detach_link(link, DETACH_FORCE);  in scsi_probe_link()
741 	struct scsi_link	*link, *tmp;  in scsi_detach_bus()  local
745 	SLIST_FOREACH_SAFE(link, &sb->sc_link_list, bus_list, tmp) {  in scsi_detach_bus()
746 		r = scsi_detach_link(link, flags);  in scsi_detach_bus()
756 	struct scsi_link	*link, *tmp;  in scsi_detach_target()  local
760 	SLIST_FOREACH_SAFE(link, &sb->sc_link_list, bus_list, tmp) {  in scsi_detach_target()
761 		if (link->target == target) {  in scsi_detach_target()
762 			r = scsi_detach_link(link, flags);  in scsi_detach_target()
773 	struct scsi_link	*link;  in scsi_detach_lun()  local
776 	link = scsi_get_link(sb, target, lun);  in scsi_detach_lun()
777 	if (link == NULL)  in scsi_detach_lun()
780 	return scsi_detach_link(link, flags);  in scsi_detach_lun()
784 scsi_detach_link(struct scsi_link *link, int flags)  in scsi_detach_link()  argument
786 	struct scsibus_softc		*sb = link->bus;  in scsi_detach_link()
789 	if (!ISSET(flags, DETACH_FORCE) && ISSET(link->flags, SDEV_OPEN))  in scsi_detach_link()
795 	if (link->pool != NULL)  in scsi_detach_link()
796 		scsi_link_shutdown(link);  in scsi_detach_link()
799 	if (link->device_softc != NULL) {  in scsi_detach_link()
800 		rv = config_detach(link->device_softc, flags);  in scsi_detach_link()
806 	if (link->pool != NULL && ISSET(link->flags, SDEV_OWN_IOPL)) {  in scsi_detach_link()
807 		scsi_iopool_destroy(link->pool);  in scsi_detach_link()
808 		free(link->pool, M_DEVBUF, sizeof(*link->pool));  in scsi_detach_link()
813 		sb->sb_adapter->dev_free(link);  in scsi_detach_link()
816 	if (link->id != NULL)  in scsi_detach_link()
817 		devid_free(link->id);  in scsi_detach_link()
818 	scsi_remove_link(link);  in scsi_detach_link()
819 	free(link, M_DEVBUF, sizeof(*link));  in scsi_detach_link()
827 	struct scsi_link *link;  in scsi_get_link()  local
829 	SLIST_FOREACH(link, &sb->sc_link_list, bus_list) {  in scsi_get_link()
830 		if (link->target == target && link->lun == lun)  in scsi_get_link()
831 			return link;  in scsi_get_link()
838 scsi_add_link(struct scsi_link *link)  in scsi_add_link()  argument
840 	SLIST_INSERT_HEAD(&link->bus->sc_link_list, link, bus_list);  in scsi_add_link()
844 scsi_remove_link(struct scsi_link *link)  in scsi_remove_link()  argument
846 	struct scsibus_softc	*sb = link->bus;  in scsi_remove_link()
850 		if (elm == link) {  in scsi_remove_link()
979 scsi_print_link(struct scsi_link *link)  in scsi_print_link()  argument
986 	printf(" targ %d lun %d: ", link->target, link->lun);  in scsi_print_link()
988 	inqbuf = &link->inqdata;  in scsi_print_link()
998 	if (ISSET(link->flags, SDEV_ATAPI))  in scsi_print_link()
1008 	if (ISSET(link->flags, SDEV_REMOVABLE))  in scsi_print_link()
1011 	if (link->id != NULL && link->id->d_type != DEVID_NONE) {  in scsi_print_link()
1012 		id = (u_int8_t *)(link->id + 1);  in scsi_print_link()
1013 		switch (link->id->d_type) {  in scsi_print_link()
1031 		if (ISSET(link->id->d_flags, DEVID_F_PRINT)) {  in scsi_print_link()
1032 			for (i = 0; i < link->id->d_len; i++) {  in scsi_print_link()
1047 			for (i = 0; i < link->id->d_len; i++)  in scsi_print_link()
1053 	sc_print_addr(link);  in scsi_print_link()
1055 	    link->state, link->bus->sb_luns, link->openings);  in scsi_print_link()
1057 	sc_print_addr(link);  in scsi_print_link()
1058 	printf("flags (0x%04x) ", link->flags);  in scsi_print_link()
1059 	scsi_show_flags(link->flags, flagnames);  in scsi_print_link()
1062 	sc_print_addr(link);  in scsi_print_link()
1063 	printf("quirks (0x%04x) ", link->quirks);  in scsi_print_link()
1064 	scsi_show_flags(link->quirks, quirknames);  in scsi_print_link()
1134 scsi_devid(struct scsi_link *link)  in scsi_devid()  argument
1143 	if (link->id != NULL)  in scsi_devid()
1148 	if (SID_ANSII_REV(&link->inqdata) >= SCSI_REV_2) {  in scsi_devid()
1149 		if (scsi_inquire_vpd(link, pg, sizeof(*pg), SI_PG_SUPPORTED,  in scsi_devid()
1165 		if (pg83 && scsi_devid_pg83(link) == 0)  in scsi_devid()
1167 		if (pg80 && scsi_devid_pg80(link) == 0)  in scsi_devid()
1172 	scsi_devid_wwn(link);  in scsi_devid()
1178 scsi_devid_pg83(struct scsi_link *link)  in scsi_devid_pg83()  argument
1189 	rv = scsi_inquire_vpd(link, hdr, sizeof(*hdr), SI_PG_DEVID,  in scsi_devid_pg83()
1197 	rv = scsi_inquire_vpd(link, pg, len, SI_PG_DEVID, scsi_autoconf);  in scsi_devid_pg83()
1259 		link->id = devid_alloc(idtype, idflags, chdr.len, id);  in scsi_devid_pg83()
1272 scsi_devid_pg80(struct scsi_link *link)  in scsi_devid_pg80()  argument
1282 	rv = scsi_inquire_vpd(link, hdr, sizeof(*hdr), SI_PG_SERIAL,  in scsi_devid_pg80()
1296 	rv = scsi_inquire_vpd(link, pg, pglen, SI_PG_SERIAL, scsi_autoconf);  in scsi_devid_pg80()
1300 	idlen = sizeof(link->inqdata.vendor) +  in scsi_devid_pg80()
1301 	    sizeof(link->inqdata.product) + len;  in scsi_devid_pg80()
1303 	memcpy(id, link->inqdata.vendor, sizeof(link->inqdata.vendor));  in scsi_devid_pg80()
1304 	memcpy(id + sizeof(link->inqdata.vendor), link->inqdata.product,  in scsi_devid_pg80()
1305 	    sizeof(link->inqdata.product));  in scsi_devid_pg80()
1306 	memcpy(id + sizeof(link->inqdata.vendor) +  in scsi_devid_pg80()
1307 	    sizeof(link->inqdata.product), pg + sizeof(*hdr), len);  in scsi_devid_pg80()
1309 	link->id = devid_alloc(DEVID_SERIAL, DEVID_F_PRINT,  in scsi_devid_pg80()
1310 	    sizeof(link->inqdata.vendor) + sizeof(link->inqdata.product) + len,  in scsi_devid_pg80()
1323 scsi_devid_wwn(struct scsi_link *link)  in scsi_devid_wwn()  argument
1327 	if (link->lun != 0 || link->node_wwn == 0)  in scsi_devid_wwn()
1330 	wwnn = htobe64(link->node_wwn);  in scsi_devid_wwn()
1331 	link->id = devid_alloc(DEVID_WWN, 0, sizeof(wwnn), (u_int8_t *)&wwnn);  in scsi_devid_wwn()