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
50 	if (!sdev) {  in usbip_sockfd_store()
64 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
66 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {  in usbip_sockfd_store()
75 		sdev->ud.tcp_socket = socket;  in usbip_sockfd_store()
76 		sdev->ud.sockfd = sockfd;  in usbip_sockfd_store()
78 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
80 		sdev->ud.tcp_rx = kthread_get_run(stub_rx_loop, &sdev->ud,  in usbip_sockfd_store()
82 		sdev->ud.tcp_tx = kthread_get_run(stub_tx_loop, &sdev->ud,  in usbip_sockfd_store()
85 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
86 		sdev->ud.status = SDEV_ST_USED;  in usbip_sockfd_store()
87 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
92 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
93 		if (sdev->ud.status != SDEV_ST_USED)  in usbip_sockfd_store()
96 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
98 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);  in usbip_sockfd_store()
104 	spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
119 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_shutdown_connection()  local
128 		dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);  in stub_shutdown_connection()
155 	stub_device_cleanup_urbs(sdev);  in stub_shutdown_connection()
162 		spin_lock_irqsave(&sdev->priv_lock, flags);  in stub_shutdown_connection()
163 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_tx, list) {  in stub_shutdown_connection()
167 		list_for_each_entry_safe(unlink, tmp, &sdev->unlink_free,  in stub_shutdown_connection()
172 		spin_unlock_irqrestore(&sdev->priv_lock, flags);  in stub_shutdown_connection()
178 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_device_reset()  local
179 	struct usb_device *udev = sdev->udev;  in stub_device_reset()
223 	struct stub_device *sdev;  in stub_device_alloc()  local
230 	sdev = kzalloc(sizeof(struct stub_device), GFP_KERNEL);  in stub_device_alloc()
231 	if (!sdev)  in stub_device_alloc()
234 	sdev->udev = usb_get_dev(udev);  in stub_device_alloc()
241 	sdev->devid		= (busnum << 16) | devnum;  in stub_device_alloc()
242 	sdev->ud.side		= USBIP_STUB;  in stub_device_alloc()
243 	sdev->ud.status		= SDEV_ST_AVAILABLE;  in stub_device_alloc()
244 	spin_lock_init(&sdev->ud.lock);  in stub_device_alloc()
245 	sdev->ud.tcp_socket	= NULL;  in stub_device_alloc()
246 	sdev->ud.sockfd		= -1;  in stub_device_alloc()
248 	INIT_LIST_HEAD(&sdev->priv_init);  in stub_device_alloc()
249 	INIT_LIST_HEAD(&sdev->priv_tx);  in stub_device_alloc()
250 	INIT_LIST_HEAD(&sdev->priv_free);  in stub_device_alloc()
251 	INIT_LIST_HEAD(&sdev->unlink_free);  in stub_device_alloc()
252 	INIT_LIST_HEAD(&sdev->unlink_tx);  in stub_device_alloc()
253 	spin_lock_init(&sdev->priv_lock);  in stub_device_alloc()
255 	init_waitqueue_head(&sdev->tx_waitq);  in stub_device_alloc()
257 	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;  in stub_device_alloc()
258 	sdev->ud.eh_ops.reset    = stub_device_reset;  in stub_device_alloc()
259 	sdev->ud.eh_ops.unusable = stub_device_unusable;  in stub_device_alloc()
261 	usbip_start_eh(&sdev->ud);  in stub_device_alloc()
265 	return sdev;  in stub_device_alloc()
268 static void stub_device_free(struct stub_device *sdev)  in stub_device_free()  argument
270 	kfree(sdev);  in stub_device_free()
275 	struct stub_device *sdev = NULL;  in stub_probe()  local
286 	sdev = stub_device_alloc(udev);  in stub_probe()
287 	if (!sdev)  in stub_probe()
334 	dev_set_drvdata(&udev->dev, sdev);  in stub_probe()
336 	busid_priv->sdev = sdev;  in stub_probe()
365 	busid_priv->sdev = NULL;  in stub_probe()
376 	stub_device_free(sdev);  in stub_probe()
383 	usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);  in shutdown_busid()
386 	usbip_stop_eh(&busid_priv->sdev->ud);  in shutdown_busid()
395 	struct stub_device *sdev;  in stub_disconnect()  local
408 	sdev = dev_get_drvdata(&udev->dev);  in stub_disconnect()
411 	if (!sdev) {  in stub_disconnect()
449 	usb_put_dev(sdev->udev);  in stub_disconnect()
454 	busid_priv->sdev = NULL;  in stub_disconnect()
455 	stub_device_free(sdev);  in stub_disconnect()