usb_hci
struct usb_hci hci;
pci_xhci_dev_intr(struct usb_hci *hci, int epctx)
pci_xhci_dev_event(struct usb_hci *hci, enum hci_usbev evid __unused,
struct usb_hci;
void *(*ue_probe)(struct usb_hci *hci, nvlist_t *nvl);
int (*hci_intr)(struct usb_hci *hci, int epctx);
int (*hci_event)(struct usb_hci *hci, enum hci_usbev evid,
struct usb_hci *hci;
umouse_probe(struct usb_hci *hci, nvlist_t *nvl __unused)