2 * Copyright (C) 2003-2008 Takahiro Hirofuchi
4 * This is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
11 #include <linux/device.h>
12 #include <linux/list.h>
13 #include <linux/spinlock.h>
14 #include <linux/sysfs.h>
15 #include <linux/types.h>
16 #include <linux/usb.h>
17 #include <linux/usb/hcd.h>
18 #include <linux/wait.h>
21 struct usb_device *udev;
24 * devid specifies a remote usb device uniquely instead
25 * of combination of busnum and devnum.
29 /* speed of a remote device */
30 enum usb_device_speed speed;
32 /* vhci root-hub port to which this device is attached */
35 struct usbip_device ud;
37 /* lock for the below link lists */
40 /* vhci_priv is linked to one of them. */
41 struct list_head priv_tx;
42 struct list_head priv_rx;
44 /* vhci_unlink is linked to one of them */
45 struct list_head unlink_tx;
46 struct list_head unlink_rx;
48 /* vhci_tx thread sleeps for this queue */
49 wait_queue_head_t waitq_tx;
52 /* urb->hcpriv, use container_of() */
55 struct list_head list;
57 struct vhci_device *vdev;
62 /* seqnum of this request */
65 struct list_head list;
67 /* seqnum of the unlink target */
68 unsigned long unlink_seqnum;
72 * The number of ports is less than 16 ?
73 * USB_MAXCHILDREN is statically defined to 16 in usb.h. Its maximum value
74 * would be 31 because the event_bits[1] of struct usb_hub is defined as
75 * unsigned long in hub.h
79 /* for usb_bus.hcpriv */
83 u32 port_status[VHCI_NPORTS];
86 unsigned long re_timeout;
92 * wIndex shows the port number and begins from 1.
93 * But, the index of this array begins from 0.
95 struct vhci_device vdev[VHCI_NPORTS];
98 extern struct vhci_hcd *the_controller;
99 extern const struct attribute_group dev_attr_group;
100 #define hardware (&the_controller->pdev.dev)
103 void rh_port_connect(int rhport, enum usb_device_speed speed);
104 void rh_port_disconnect(int rhport);
107 struct urb *pickup_urb_and_free_priv(struct vhci_device *vdev, __u32 seqnum);
108 int vhci_rx_loop(void *data);
111 int vhci_tx_loop(void *data);
113 static inline struct vhci_device *port_to_vdev(__u32 port)
115 return &the_controller->vdev[port];
118 static inline struct vhci_hcd *hcd_to_vhci(struct usb_hcd *hcd)
120 return (struct vhci_hcd *) (hcd->hcd_priv);
123 static inline struct usb_hcd *vhci_to_hcd(struct vhci_hcd *vhci)
125 return container_of((void *) vhci, struct usb_hcd, hcd_priv);
128 static inline struct device *vhci_dev(struct vhci_hcd *vhci)
130 return vhci_to_hcd(vhci)->self.controller;