21 	struct stub_device *sdev = dev_get_drvdata(dev);  in usbip_status_show()  local
24 	if (!sdev) {  in usbip_status_show()
29 	spin_lock_irq(&sdev->ud.lock);  in usbip_status_show()
30 	status = sdev->ud.status;  in usbip_status_show()
31 	spin_unlock_irq(&sdev->ud.lock);  in usbip_status_show()
45 	struct stub_device *sdev = dev_get_drvdata(dev);  in usbip_sockfd_store()  local
52 	if (!sdev) {  in usbip_sockfd_store()
66 		mutex_lock(&sdev->ud.sysfs_lock);  in usbip_sockfd_store()
67 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
69 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {  in usbip_sockfd_store()
87 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
88 		tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx");  in usbip_sockfd_store()
93 		tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx");  in usbip_sockfd_store()
105 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
106 		sdev->ud.tcp_socket = socket;  in usbip_sockfd_store()
107 		sdev->ud.sockfd = sockfd;  in usbip_sockfd_store()
108 		sdev->ud.tcp_rx = tcp_rx;  in usbip_sockfd_store()
109 		sdev->ud.tcp_tx = tcp_tx;  in usbip_sockfd_store()
110 		sdev->ud.status = SDEV_ST_USED;  in usbip_sockfd_store()
111 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
113 		wake_up_process(sdev->ud.tcp_rx);  in usbip_sockfd_store()
114 		wake_up_process(sdev->ud.tcp_tx);  in usbip_sockfd_store()
116 		mutex_unlock(&sdev->ud.sysfs_lock);  in usbip_sockfd_store()
121 		mutex_lock(&sdev->ud.sysfs_lock);  in usbip_sockfd_store()
123 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
124 		if (sdev->ud.status != SDEV_ST_USED)  in usbip_sockfd_store()
127 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
129 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);  in usbip_sockfd_store()
130 		mutex_unlock(&sdev->ud.sysfs_lock);  in usbip_sockfd_store()
138 	spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
140 	mutex_unlock(&sdev->ud.sysfs_lock);  in usbip_sockfd_store()
155 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_shutdown_connection()  local
164 		dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);  in stub_shutdown_connection()
191 	stub_device_cleanup_urbs(sdev);  in stub_shutdown_connection()
198 		spin_lock_irqsave(&sdev->priv_lock, flags);  in stub_shutdown_connection()
199 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {  in stub_shutdown_connection()
203 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free,  in stub_shutdown_connection()
208 		spin_unlock_irqrestore(&sdev->priv_lock, flags);  in stub_shutdown_connection()
214 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_device_reset()  local
215 	struct usb_device *udev = sdev->udev;  in stub_device_reset()
259 	struct stub_device *sdev;  in stub_device_alloc()  local
266 	sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL);  in stub_device_alloc()
267 	if (!sdev)  in stub_device_alloc()
270 	sdev->udev = usb_get_dev(udev);  in stub_device_alloc()
277 	sdev->devid		= (busnum << 16) | devnum;  in stub_device_alloc()
278 	sdev->ud.side		= USBIP_STUB;  in stub_device_alloc()
279 	sdev->ud.status		= SDEV_ST_AVAILABLE;  in stub_device_alloc()
280 	spin_lock_init(&sdev->ud.lock);  in stub_device_alloc()
281 	mutex_init(&sdev->ud.sysfs_lock);  in stub_device_alloc()
282 	sdev->ud.tcp_socket	= NULL;  in stub_device_alloc()
283 	sdev->ud.sockfd		= -1;  in stub_device_alloc()
285 	INIT_LIST_HEAD(&sdev->priv_init);  in stub_device_alloc()
286 	INIT_LIST_HEAD(&sdev->priv_tx);  in stub_device_alloc()
287 	INIT_LIST_HEAD(&sdev->priv_free);  in stub_device_alloc()
288 	INIT_LIST_HEAD(&sdev->unlink_free);  in stub_device_alloc()
289 	INIT_LIST_HEAD(&sdev->unlink_tx);  in stub_device_alloc()
290 	spin_lock_init(&sdev->priv_lock);  in stub_device_alloc()
292 	init_waitqueue_head(&sdev->tx_waitq);  in stub_device_alloc()
294 	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;  in stub_device_alloc()
295 	sdev->ud.eh_ops.reset    = stub_device_reset;  in stub_device_alloc()
296 	sdev->ud.eh_ops.unusable = stub_device_unusable;  in stub_device_alloc()
298 	usbip_start_eh(&sdev->ud);  in stub_device_alloc()
302 	return sdev;  in stub_device_alloc()
305 static void stub_device_free(struct stub_device *sdev)  in stub_device_free()  argument
307 	kfree(sdev);  in stub_device_free()
312 	struct stub_device *sdev = NULL;  in stub_probe()  local
323 	sdev = stub_device_alloc(udev);  in stub_probe()
324 	if (!sdev)  in stub_probe()
371 	dev_set_drvdata(&udev->dev, sdev);  in stub_probe()
373 	busid_priv->sdev = sdev;  in stub_probe()
401 	busid_priv->sdev = NULL;  in stub_probe()
413 	stub_device_free(sdev);  in stub_probe()
420 	usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);  in shutdown_busid()
423 	usbip_stop_eh(&busid_priv->sdev->ud);  in shutdown_busid()
432 	struct stub_device *sdev;  in stub_disconnect()  local
445 	sdev = dev_get_drvdata(&udev->dev);  in stub_disconnect()
448 	if (!sdev) {  in stub_disconnect()
491 	usb_put_dev(sdev->udev);  in stub_disconnect()
496 	busid_priv->sdev = NULL;  in stub_disconnect()
497 	stub_device_free(sdev);  in stub_disconnect()