/* * $Id: vhci.h 13 2007-05-27 16:17:59Z hirofuchi $ * * Copyright (C) 2003-2007 Takahiro Hirofuchi * * * This is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */#include <linux/platform_device.h>#include HCD_HEADERstruct vhci_device {	struct usb_device *udev;	/* busnum and devnum of a remote device */	__u32 busnum;	__u32 devnum;	/* speed of a remote device */	enum usb_device_speed speed;	/*  vhci root-hub port to which this device is attached  */	__u32 rhport;	struct usbip_device ud;	/* lock for the below link lists */	spinlock_t priv_lock;	/* vhci_priv is linked to one of them. */	struct list_head priv_tx;	struct list_head priv_rx;	/* vhci_unlink is linked to one of them */	struct list_head unlink_tx;	struct list_head unlink_rx;	/* vhci_tx thread sleeps for this queue */	wait_queue_head_t waitq_tx;};/* urb->hcpriv, use container_of() */struct vhci_priv {	unsigned long seqnum;	struct list_head list;	struct vhci_device *vdev;	struct urb *urb;};struct vhci_unlink {	/* seqnum of this request */	unsigned long seqnum;	struct list_head list;	/* seqnum of the unlink target */	unsigned long unlink_seqnum;};/* * The number of ports is less than 16 ? * USB_MAXCHILDREN is statically defined to 16 in usb.h.  Its maximum value * would be 31 because the event_bits[1] of struct usb_hub is defined as * unsigned long in hub.h */#define VHCI_NPORTS 8/* for usb_bus.hcpriv */struct vhci_hcd {	spinlock_t	lock;	u32	port_status[VHCI_NPORTS];	unsigned	resuming:1;	unsigned long	re_timeout;	atomic_t seqnum;	/*	 * NOTE:	 * wIndex shows the port number and begins from 1.	 * But, the index of this array begins from 0.	 */	struct vhci_device vdev[VHCI_NPORTS];	/* vhci_device which has not been assiged its address yet */	int pending_port;};extern struct vhci_hcd *the_controller;extern struct attribute_group dev_attr_group;/*-------------------------------------------------------------------------*//* prototype declaration *//* vhci_hcd.c */void rh_port_connect(int rhport, enum usb_device_speed speed);void rh_port_disconnect(int rhport);void vhci_rx_loop(struct usbip_task *ut);void vhci_tx_loop(struct usbip_task *ut);#define hardware		(&the_controller->pdev.dev)static inline struct vhci_device *port_to_vdev(__u32 port){	return &the_controller->vdev[port];}static inline struct vhci_hcd *hcd_to_vhci(struct usb_hcd *hcd){	return (struct vhci_hcd *) (hcd->hcd_priv);}static inline struct usb_hcd *vhci_to_hcd(struct vhci_hcd *vhci){	return container_of((void *) vhci, struct usb_hcd, hcd_priv);}static inline struct device *vhci_dev(struct vhci_hcd *vhci){	return vhci_to_hcd(vhci)->self.controller;}