staging: usbip: vhci.h: reorganize

extern struct vhci_hcd *the_controller;

extern struct attribute_group dev_attr_group;

#define hardware (&the_controller->pdev.dev)

/* vhci_hcd.c */

void rh_port_connect(int rhport, enum usb_device_speed speed);

void rh_port_disconnect(int rhport);

int vhci_rx_loop(void *data);

int vhci_tx_loop(void *data);

/* vhci_rx.c */

struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum);

int vhci_rx_loop(void *data);

#define hardware (&the_controller->pdev.dev)

/* vhci_tx.c */

int vhci_tx_loop(void *data);

static inline struct vhci_device *port_to_vdev(__u32 port)

{