169 static void print_devclass_short(devclass_t dc, int indent);
170 static void print_devclass(devclass_t dc, int indent);
205 	devclass_t dc = (devclass_t)arg1;  in devclass_sysctl_handler()  local
210 		value = dc->parent ? dc->parent->name : "";  in devclass_sysctl_handler()
219 devclass_sysctl_init(devclass_t dc)  in devclass_sysctl_init()  argument
222 	if (dc->sysctl_tree != NULL)  in devclass_sysctl_init()
224 	sysctl_ctx_init(&dc->sysctl_ctx);  in devclass_sysctl_init()
225 	dc->sysctl_tree = SYSCTL_ADD_NODE(&dc->sysctl_ctx,  in devclass_sysctl_init()
226 	    SYSCTL_STATIC_CHILDREN(_dev), OID_AUTO, dc->name,  in devclass_sysctl_init()
228 	SYSCTL_ADD_PROC(&dc->sysctl_ctx, SYSCTL_CHILDREN(dc->sysctl_tree),  in devclass_sysctl_init()
230 	    dc, DEVCLASS_SYSCTL_PARENT, devclass_sysctl_handler, "A",  in devclass_sysctl_init()
281 	devclass_t dc = dev->devclass;  in device_sysctl_init()  local
286 	devclass_sysctl_init(dc);  in device_sysctl_init()
289 	    SYSCTL_CHILDREN(dc->sysctl_tree), OID_AUTO,  in device_sysctl_init()
290 	    dev->nameunit + strlen(dc->name),  in device_sysctl_init()
321 	devclass_t dc = dev->devclass;  in device_sysctl_update()  local
325 	sysctl_rename_oid(dev->sysctl_tree, dev->nameunit + strlen(dc->name));  in device_sysctl_update()
966 	devclass_t dc;  in devclass_find_internal()  local
972 	TAILQ_FOREACH(dc, &devclasses, link) {  in devclass_find_internal()
973 		if (!strcmp(dc->name, classname))  in devclass_find_internal()
977 	if (create && !dc) {  in devclass_find_internal()
979 		dc = malloc(sizeof(struct devclass) + strlen(classname) + 1,  in devclass_find_internal()
981 		if (!dc)  in devclass_find_internal()
983 		dc->parent = NULL;  in devclass_find_internal()
984 		dc->name = (char*) (dc + 1);  in devclass_find_internal()
985 		strcpy(dc->name, classname);  in devclass_find_internal()
986 		TAILQ_INIT(&dc->drivers);  in devclass_find_internal()
987 		TAILQ_INSERT_TAIL(&devclasses, dc, link);  in devclass_find_internal()
1000 	if (parentname && dc && !dc->parent &&  in devclass_find_internal()
1002 		dc->parent = devclass_find_internal(parentname, NULL, TRUE);  in devclass_find_internal()
1003 		dc->parent->flags |= DC_HAS_CHILDREN;  in devclass_find_internal()
1006 	return (dc);  in devclass_find_internal()
1055 devclass_driver_added(devclass_t dc, driver_t *driver)  in devclass_driver_added()  argument
1063 	for (i = 0; i < dc->maxunit; i++)  in devclass_driver_added()
1064 		if (dc->devices[i] && device_is_attached(dc->devices[i]))  in devclass_driver_added()
1065 			BUS_DRIVER_ADDED(dc->devices[i], driver);  in devclass_driver_added()
1075 	if (!(dc->flags & DC_HAS_CHILDREN))  in devclass_driver_added()
1077 	parent = dc;  in devclass_driver_added()
1078 	TAILQ_FOREACH(dc, &devclasses, link) {  in devclass_driver_added()
1079 		if (dc->parent == parent)  in devclass_driver_added()
1080 			devclass_driver_added(dc, driver);  in devclass_driver_added()
1096 devclass_add_driver(devclass_t dc, driver_t *driver, int pass, devclass_t *dcp)  in devclass_add_driver()  argument
1133 	TAILQ_INSERT_TAIL(&dc->drivers, dl, link);  in devclass_add_driver()
1138 	devclass_driver_added(dc, driver);  in devclass_add_driver()
1163 devclass_driver_deleted(devclass_t busclass, devclass_t dc, driver_t *driver)  in devclass_driver_deleted()  argument
1179 	for (i = 0; i < dc->maxunit; i++) {  in devclass_driver_deleted()
1180 		if (dc->devices[i]) {  in devclass_driver_deleted()
1181 			dev = dc->devices[i];  in devclass_driver_deleted()
1206 			error = devclass_driver_deleted(busclass, dc, driver);  in devclass_driver_deleted()
1231 	devclass_t dc = devclass_find(driver->name);  in devclass_delete_driver()  local
1237 	if (!dc)  in devclass_delete_driver()
1254 	error = devclass_driver_deleted(busclass, dc, driver);  in devclass_delete_driver()
1286 	devclass_t dc = devclass_find(driver->name);  in devclass_quiesce_driver()  local
1294 	if (!dc)  in devclass_quiesce_driver()
1321 	for (i = 0; i < dc->maxunit; i++) {  in devclass_quiesce_driver()
1322 		if (dc->devices[i]) {  in devclass_quiesce_driver()
1323 			dev = dc->devices[i];  in devclass_quiesce_driver()
1339 devclass_find_driver_internal(devclass_t dc, const char *classname)  in devclass_find_driver_internal()  argument
1343 	PDEBUG(("%s in devclass %s", classname, DEVCLANAME(dc)));  in devclass_find_driver_internal()
1345 	TAILQ_FOREACH(dl, &dc->drivers, link) {  in devclass_find_driver_internal()
1358 devclass_get_name(devclass_t dc)  in devclass_get_name()  argument
1360 	return (dc->name);  in devclass_get_name()
1373 devclass_get_device(devclass_t dc, int unit)  in devclass_get_device()  argument
1375 	if (dc == NULL || unit < 0 || unit >= dc->maxunit)  in devclass_get_device()
1377 	return (dc->devices[unit]);  in devclass_get_device()
1391 devclass_get_softc(devclass_t dc, int unit)  in devclass_get_softc()  argument
1395 	dev = devclass_get_device(dc, unit);  in devclass_get_softc()
1419 devclass_get_devices(devclass_t dc, device_t **devlistp, int *devcountp)  in devclass_get_devices()  argument
1424 	count = devclass_get_count(dc);  in devclass_get_devices()
1430 	for (i = 0; i < dc->maxunit; i++) {  in devclass_get_devices()
1431 		if (dc->devices[i]) {  in devclass_get_devices()
1432 			list[count] = dc->devices[i];  in devclass_get_devices()
1460 devclass_get_drivers(devclass_t dc, driver_t ***listp, int *countp)  in devclass_get_drivers()  argument
1467 	TAILQ_FOREACH(dl, &dc->drivers, link)  in devclass_get_drivers()
1474 	TAILQ_FOREACH(dl, &dc->drivers, link) {  in devclass_get_drivers()
1490 devclass_get_count(devclass_t dc)  in devclass_get_count()  argument
1495 	for (i = 0; i < dc->maxunit; i++)  in devclass_get_count()
1496 		if (dc->devices[i])  in devclass_get_count()
1511 devclass_get_maxunit(devclass_t dc)  in devclass_get_maxunit()  argument
1513 	if (dc == NULL)  in devclass_get_maxunit()
1515 	return (dc->maxunit);  in devclass_get_maxunit()
1528 devclass_find_free_unit(devclass_t dc, int unit)  in devclass_find_free_unit()  argument
1530 	if (dc == NULL)  in devclass_find_free_unit()
1532 	while (unit < dc->maxunit && dc->devices[unit] != NULL)  in devclass_find_free_unit()
1547 devclass_set_parent(devclass_t dc, devclass_t pdc)  in devclass_set_parent()  argument
1549 	dc->parent = pdc;  in devclass_set_parent()
1558 devclass_get_parent(devclass_t dc)  in devclass_get_parent()  argument
1560 	return (dc->parent);  in devclass_get_parent()
1564 devclass_get_sysctl_ctx(devclass_t dc)  in devclass_get_sysctl_ctx()  argument
1566 	return (&dc->sysctl_ctx);  in devclass_get_sysctl_ctx()
1570 devclass_get_sysctl_tree(devclass_t dc)  in devclass_get_sysctl_tree()  argument
1572 	return (dc->sysctl_tree);  in devclass_get_sysctl_tree()
1591 devclass_alloc_unit(devclass_t dc, device_t dev, int *unitp)  in devclass_alloc_unit()  argument
1596 	PDEBUG(("unit %d in devclass %s", unit, DEVCLANAME(dc)));  in devclass_alloc_unit()
1600 		BUS_HINT_DEVICE_UNIT(device_get_parent(dev), dev, dc->name,  in devclass_alloc_unit()
1606 		if (unit >= 0 && unit < dc->maxunit &&  in devclass_alloc_unit()
1607 		    dc->devices[unit] != NULL) {  in devclass_alloc_unit()
1610 				    dc->name, dc->name, *unitp);  in devclass_alloc_unit()
1618 			if (resource_string_value(dc->name, unit, "at", &s) ==  in devclass_alloc_unit()
1623 			if (unit < dc->maxunit && dc->devices[unit] != NULL)  in devclass_alloc_unit()
1635 	if (unit >= dc->maxunit) {  in devclass_alloc_unit()
1639 		oldlist = dc->devices;  in devclass_alloc_unit()
1645 			bcopy(oldlist, newlist, sizeof(device_t) * dc->maxunit);  in devclass_alloc_unit()
1646 		bzero(newlist + dc->maxunit,  in devclass_alloc_unit()
1647 		    sizeof(device_t) * (newsize - dc->maxunit));  in devclass_alloc_unit()
1648 		dc->devices = newlist;  in devclass_alloc_unit()
1649 		dc->maxunit = newsize;  in devclass_alloc_unit()
1653 	PDEBUG(("now: unit %d in devclass %s", unit, DEVCLANAME(dc)));  in devclass_alloc_unit()
1676 devclass_add_device(devclass_t dc, device_t dev)  in devclass_add_device()  argument
1680 	PDEBUG(("%s in devclass %s", DEVICENAME(dev), DEVCLANAME(dc)));  in devclass_add_device()
1682 	buflen = snprintf(NULL, 0, "%s%d$", dc->name, INT_MAX);  in devclass_add_device()
1689 	if ((error = devclass_alloc_unit(dc, dev, &dev->unit)) != 0) {  in devclass_add_device()
1694 	dc->devices[dev->unit] = dev;  in devclass_add_device()
1695 	dev->devclass = dc;  in devclass_add_device()
1696 	snprintf(dev->nameunit, buflen, "%s%d", dc->name, dev->unit);  in devclass_add_device()
1714 devclass_delete_device(devclass_t dc, device_t dev)  in devclass_delete_device()  argument
1716 	if (!dc || !dev)  in devclass_delete_device()
1719 	PDEBUG(("%s in devclass %s", DEVICENAME(dev), DEVCLANAME(dc)));  in devclass_delete_device()
1721 	if (dev->devclass != dc || dc->devices[dev->unit] != dev)  in devclass_delete_device()
1723 	dc->devices[dev->unit] = NULL;  in devclass_delete_device()
1749 	devclass_t dc;  in make_device()  local
1754 		dc = devclass_find_internal(name, NULL, TRUE);  in make_device()
1755 		if (!dc) {  in make_device()
1761 		dc = NULL;  in make_device()
1784 		if (devclass_add_device(dc, dev)) {  in make_device()
1990 	devclass_t dc;  in device_find_child()  local
1993 	dc = devclass_find(classname);  in device_find_child()
1994 	if (!dc)  in device_find_child()
1998 		child = devclass_get_device(dc, unit);  in device_find_child()
2002 		for (unit = 0; unit < devclass_get_maxunit(dc); unit++) {  in device_find_child()
2003 			child = devclass_get_device(dc, unit);  in device_find_child()
2015 first_matching_driver(devclass_t dc, device_t dev)  in first_matching_driver()  argument
2018 		return (devclass_find_driver_internal(dc, dev->devclass->name));  in first_matching_driver()
2019 	return (TAILQ_FIRST(&dc->drivers));  in first_matching_driver()
2026 next_matching_driver(devclass_t dc, device_t dev, driverlink_t last)  in next_matching_driver()  argument
2044 	devclass_t dc;  in device_probe_child()  local
2052 	dc = dev->devclass;  in device_probe_child()
2053 	if (!dc)  in device_probe_child()
2063 	for (; dc; dc = dc->parent) {  in device_probe_child()
2064 		for (dl = first_matching_driver(dc, child);  in device_probe_child()
2066 		     dl = next_matching_driver(dc, child, dl)) {  in device_probe_child()
2663 	devclass_t dc;  in device_set_devclass()  local
2677 	dc = devclass_find_internal(classname, NULL, TRUE);  in device_set_devclass()
2678 	if (!dc)  in device_set_devclass()
2681 	error = devclass_add_device(dc, dev);  in device_set_devclass()
2998 	devclass_t dc;  in device_set_unit()  local
3001 	dc = device_get_devclass(dev);  in device_set_unit()
3002 	if (unit < dc->maxunit && dc->devices[unit])  in device_set_unit()
3004 	err = devclass_delete_device(dc, dev);  in device_set_unit()
3008 	err = devclass_add_device(dc, dev);  in device_set_unit()
3587 	devclass_t dc = dev->devclass;  in bus_generic_probe()  local
3590 	TAILQ_FOREACH(dl, &dc->drivers, link) {  in bus_generic_probe()
3895 	devclass_t dc;  in bus_generic_new_pass()  local
3898 	dc = dev->devclass;  in bus_generic_new_pass()
3899 	TAILQ_FOREACH(dl, &dc->drivers, link) {  in bus_generic_new_pass()
4957 print_devclass_short(devclass_t dc, int indent)  in print_devclass_short()  argument
4959 	if ( !dc )  in print_devclass_short()
4962 	indentprintf(("devclass %s: max units = %d\n", dc->name, dc->maxunit));  in print_devclass_short()
4966 print_devclass(devclass_t dc, int indent)  in print_devclass()  argument
4970 	if ( !dc )  in print_devclass()
4973 	print_devclass_short(dc, indent);  in print_devclass()
4975 	print_driver_list(dc->drivers, indent+1);  in print_devclass()
4978 	for (i = 0; i < dc->maxunit; i++)  in print_devclass()
4979 		if (dc->devices[i])  in print_devclass()
4980 			print_device(dc->devices[i], indent+1);  in print_devclass()
4986 	devclass_t dc;  in print_devclass_list_short()  local
4989 	TAILQ_FOREACH(dc, &devclasses, link) {  in print_devclass_list_short()
4990 		print_devclass_short(dc, 0);  in print_devclass_list_short()
4997 	devclass_t dc;  in print_devclass_list()  local
5000 	TAILQ_FOREACH(dc, &devclasses, link) {  in print_devclass_list()
5001 		print_devclass(dc, 0);  in print_devclass_list()
5151 	devclass_t dc;  in driver_exists()  local
5153 	for (dc = bus->devclass; dc != NULL; dc = dc->parent) {  in driver_exists()
5154 		if (devclass_find_driver_internal(dc, driver) != NULL)  in driver_exists()
5285 		devclass_t dc;  in devctl2_ioctl()  local
5312 		dc = devclass_create(driver);  in devctl2_ioctl()
5313 		if (dc == NULL) {  in devctl2_ioctl()
5335 		error = devclass_add_device(dc, dev);  in devctl2_ioctl()