/* * $Id: stub.h 66 2008-04-20 13:19:42Z hirofuchi $ * * Copyright (C) 2003-2008 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/kernel.h>#include <linux/list.h>#include <linux/spinlock.h>#include <linux/slab.h>#include <linux/string.h>#include <linux/module.h>#include <linux/net.h>struct stub_device {	struct usb_interface *interface;	struct list_head list;	struct usbip_device ud;	__u32 devid;	/*	 * stub_priv preserves private data of each urb.	 * It is allocated as stub_priv_cache and assigned to urb->context.	 *	 * stub_priv is always linked to any one of 3 lists;	 *	priv_init: linked to this until the comletion of a urb.	 *	priv_tx  : linked to this after the completion of a urb.	 *	priv_free: linked to this after the sending of the result.	 *	 * Any of these list operations should be locked by priv_lock.	 */	spinlock_t priv_lock;	struct list_head priv_init;	struct list_head priv_tx;	struct list_head priv_free;	/* see comments for unlinking in stub_rx.c */	struct list_head unlink_tx;	struct list_head unlink_free;	wait_queue_head_t tx_waitq;};/* private data into urb->priv */struct stub_priv {	unsigned long seqnum;	struct list_head list;	struct stub_device *sdev;	struct urb *urb;	int unlinking;};struct stub_unlink {	unsigned long seqnum;	struct list_head list;	__u32 status;};extern struct kmem_cache *stub_priv_cache;/*-------------------------------------------------------------------------*//* prototype declarations *//* stub_tx.c */#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,21)void stub_complete(struct urb *);#elsevoid stub_complete(struct urb *, struct pt_regs *);#endifvoid stub_tx_loop(struct usbip_task *);/* stub_dev.c */extern struct usb_driver stub_driver;/* stub_rx.c */void stub_rx_loop(struct usbip_task *);void stub_enqueue_ret_unlink(struct stub_device *, __u32, __u32);/* stub_main.c */int match_busid(char *busid);void stub_device_cleanup_urbs(struct stub_device *sdev);