dev/usb/uhub.c

65 SDT_PROBE_DEFINE1(usb, hub, explore, start,
66     "struct usbd_device *"/*hub*/);
67 SDT_PROBE_DEFINE1(usb, hub, explore, done,
68     "struct usbd_device *"/*hub*/);
70 SDT_PROBE_DEFINE3(usb, hub, explore, rescan,
71     "struct usbd_device *"/*hub*/,
74 SDT_PROBE_DEFINE5(usb, hub, explore, portstat,
75     "struct usbd_device *"/*hub*/,
80 SDT_PROBE_DEFINE3(usb, hub, explore, disconnect,
81     "struct usbd_device *"/*hub*/,
84 SDT_PROBE_DEFINE5(usb, hub, explore, reset,
85     "struct usbd_device *"/*hub*/,
90 SDT_PROBE_DEFINE4(usb, hub, explore, connect,
91     "struct usbd_device *"/*hub*/,
95 SDT_PROBE_DEFINE4(usb, hub, explore, connected,
96     "struct usbd_device *"/*hub*/,
101 SDT_PROBE_DEFINE2(usb, hub, interrupt, ,
102     "struct usbd_device *"/*hub*/,
182  * hub to usb and hub to hub
215 	/* don't issue UDESC_HUB to SS hub, or it would stall */
250 		DPRINTFN(1, "getting hub descriptor", 0, 0, 0, 0);
307 	struct usbd_hub *hub = NULL;
344 		    "hub depth (%d) exceeded, hub ignored\n",
349 	/* Get hub descriptor. */
354 		DPRINTF("getting hub descriptor failed, uhub%jd error %jd",
367 		aprint_debug_dev(self, "no ports, hub ignored\n");
371 	hub = kmem_alloc(sizeof(*hub) + (nports-1) * sizeof(struct usbd_port),
373 	dev->ud_hub = hub;
375 	hub->uh_explore = uhub_explore;
376 	hub->uh_hubdesc = hubdesc;
379 		aprint_debug_dev(self, "setting hub depth %u\n",
431 	/* Wait with power off for a while if we are not a root hub */
442 	 * These are the events on the bus when a hub is attached:
444 	 *  Get hub descriptor (see above)
468 		struct usbd_port *up = &hub->uh_ports[p - 1];
473 			/* Self powered hub, give ports maximum current. */
481 			up->up_tt->utt_hub = hub;
501 	/* Wait for stable power if we are not a root hub */
521 	if (hub)
522 		kmem_free(hub,
523 		    sizeof(*hub) + (nports-1) * sizeof(struct usbd_port));
555 	SDT_PROBE1(usb, hub, explore, start,  dev);
564 			SDT_PROBE3(usb, hub, explore, rescan,
573 	if (PORTSTAT_ISSET(sc, 0)) { /* hub status change */
578 			DPRINTF("uhub%jd get hub status failed, err %jd",
584 			SDT_PROBE5(usb, hub, explore, portstat,
621 		SDT_PROBE5(usb, hub, explore, portstat,
712 			SDT_PROBE3(usb, hub, explore, disconnect,
722 			SDT_PROBE3(usb, hub, explore, disconnect,
758 		SDT_PROBE5(usb, hub, explore, reset,
801 			 * parent hub.
825 			/* SS hub port */
831 			/* HS/FS/LS hub port */
843 		SDT_PROBE4(usb, hub, explore, connect,
871 			SDT_PROBE4(usb, hub, explore, connected,
897 	SDT_PROBE1(usb, hub, explore, done,  dev);
903  * Called from process context when the hub is gone.
910 	struct usbd_hub *hub = sc->sc_hub->ud_hub;
918 	if (hub == NULL)		/* Must be partially working */
924 	nports = hub->uh_hubdesc.bNbrPorts;
926 		rup = &hub->uh_ports[port - 1];
943 	if (hub->uh_ports[0].up_tt)
944 		kmem_free(hub->uh_ports[0].up_tt,
947 	kmem_free(hub,
948 	    sizeof(*hub) + (nports-1) * sizeof(struct usbd_port));
1001 		panic("hub not fully initialised, but child deleted?");
1038 	SDT_PROBE2(usb, hub, interrupt, ,  sc->sc_hub, status);