dev/usb/usb_hub.c

185  * driver instance for "hub" connected to "usb"
186  * and "hub" connected to "hub"
261 	struct usb_hub *hub;
264 	hub = udev->hub;
265 	if (hub == NULL)
267 	sc = hub->hubsoftc;
293 	struct usb_hub *hub;
307 	hub = udev->hub;
308 	if ((hub == NULL) ||
320 	up = hub->ports + port - 1;
350 	    &hub->tt_msg[0], &hub->tt_msg[1]);
374 		for (x = 0; x != udev->hub->nports; x++) {
375 			up = udev->hub->ports + x;
417 	struct usb_hub *hub;
424 	hub = udev->hub;
425 	if (hub == NULL)
427 	sc = hub->hubsoftc;
431 	for (x = 0; x != hub->nports; x++) {
432 		up = hub->ports + x;
570 	if (child->hub)
571 		err = (child->hub->explore) (child);
626 	    udev->hub->ports + portno - 1);
895 	    udev->hub->ports + portno - 1);
1005 	struct usb_hub *hub;
1013 	hub = udev->hub;
1014 	sc = hub->hubsoftc;
1035 	for (x = 0; x != hub->nports; x++) {
1036 		up = hub->ports + x;
1210 	struct usb_hub *hub;
1368 	hub = malloc(sizeof(hub[0]) + (sizeof(hub->ports[0]) * nports),
1371 	if (hub == NULL)
1374 	hub = &sc->sc_hub;
1376 	udev->hub = hub;
1379 	hub->hubsoftc = sc;
1380 	hub->explore = &uhub_explore;
1381 	hub->nports = nports;
1382 	hub->hubudev = udev;
1384 	hub->tt_msg[0].hdr.pm_callback = &uhub_reset_tt_proc;
1385 	hub->tt_msg[0].udev = udev;
1386 	hub->tt_msg[1].hdr.pm_callback = &uhub_reset_tt_proc;
1387 	hub->tt_msg[1].udev = udev;
1389 	/* if self powered hub, give ports maximum current */
1391 		hub->portpower = USB_MAX_POWER;
1393 		hub->portpower = USB_MIN_POWER;
1437 	 * These are the events on the bus when a hub is attached:
1439 	 *  Get hub descriptor (see above)
1463 		struct usb_port *up = hub->ports + x;
1536 	free(udev->hub, M_USBDEV);
1538 	udev->hub = NULL;
1546  * Called from process context when the hub is gone.
1553 	struct usb_hub *hub = sc->sc_udev->hub;
1558 	if (hub == NULL)		/* must be partially working */
1565 	for (x = 0; x != hub->nports; x++) {
1567 		child = usb_bus_port_get_device(bus, hub->ports + x);
1583 	    &hub->tt_msg[0], &hub->tt_msg[1]);
1588 	free(hub, M_USBDEV);
1590 	sc->sc_udev->hub = NULL;
1626 uhub_find_iface_index(struct usb_hub *hub, device_t child,
1635 	nports = hub->nports;
1637 		udev = usb_bus_port_get_device(hub->hubudev->bus,
1638 		    hub->ports + x);
1663 	struct usb_hub *hub;
1673 	hub = sc->sc_udev->hub;
1676 	uhub_find_iface_index(hub, child, &res);
1678 		DPRINTF("device not on hub\n");
1708 	struct usb_hub *hub;
1719 	hub = sc->sc_udev->hub;
1722 	uhub_find_iface_index(hub, child, &res);
1724 		DPRINTF("device not on hub\n");
1855 	struct usb_hub *hub;
1876 		hub = udev->parent_hs_hub->hub;
1878 			slot = usb_intr_find_best_slot(hub->uframe_usage,
1883 				hub->uframe_usage[x] += len;
2606 	/* resume parent hub first */
2711 	if (udev->hub != NULL) {
2712 		nports = udev->hub->nports;
2717 			    udev->hub->ports + x);