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()
66 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
68 		if (sdev->ud.status != SDEV_ST_AVAILABLE) {  in usbip_sockfd_store()
78 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
79 		tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx");  in usbip_sockfd_store()
84 		tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx");  in usbip_sockfd_store()
95 		/* lock and update sdev->ud state */  in usbip_sockfd_store()
96 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
97 		sdev->ud.tcp_socket = socket;  in usbip_sockfd_store()
98 		sdev->ud.sockfd = sockfd;  in usbip_sockfd_store()
99 		sdev->ud.tcp_rx = tcp_rx;  in usbip_sockfd_store()
100 		sdev->ud.tcp_tx = tcp_tx;  in usbip_sockfd_store()
101 		sdev->ud.status = SDEV_ST_USED;  in usbip_sockfd_store()
102 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
104 		wake_up_process(sdev->ud.tcp_rx);  in usbip_sockfd_store()
105 		wake_up_process(sdev->ud.tcp_tx);  in usbip_sockfd_store()
110 		spin_lock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
111 		if (sdev->ud.status != SDEV_ST_USED)  in usbip_sockfd_store()
114 		spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
116 		usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);  in usbip_sockfd_store()
122 	spin_unlock_irq(&sdev->ud.lock);  in usbip_sockfd_store()
160 static void stub_shutdown_connection(struct usbip_device *ud)  in stub_shutdown_connection()  argument
162 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_shutdown_connection()
170 	if (ud->tcp_socket) {  in stub_shutdown_connection()
171 		dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);  in stub_shutdown_connection()
172 		kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);  in stub_shutdown_connection()
176 	if (ud->tcp_rx) {  in stub_shutdown_connection()
177 		kthread_stop_put(ud->tcp_rx);  in stub_shutdown_connection()
178 		ud->tcp_rx = NULL;  in stub_shutdown_connection()
180 	if (ud->tcp_tx) {  in stub_shutdown_connection()
181 		kthread_stop_put(ud->tcp_tx);  in stub_shutdown_connection()
182 		ud->tcp_tx = NULL;  in stub_shutdown_connection()
191 	if (ud->tcp_socket) {  in stub_shutdown_connection()
192 		sockfd_put(ud->tcp_socket);  in stub_shutdown_connection()
193 		ud->tcp_socket = NULL;  in stub_shutdown_connection()
194 		ud->sockfd = -1;  in stub_shutdown_connection()
219 static void stub_device_reset(struct usbip_device *ud)  in stub_device_reset()  argument
221 	struct stub_device *sdev = container_of(ud, struct stub_device, ud);  in stub_device_reset()
230 		spin_lock_irq(&ud->lock);  in stub_device_reset()
231 		ud->status = SDEV_ST_ERROR;  in stub_device_reset()
232 		spin_unlock_irq(&ud->lock);  in stub_device_reset()
240 	spin_lock_irq(&ud->lock);  in stub_device_reset()
243 		ud->status = SDEV_ST_ERROR;  in stub_device_reset()
246 		ud->status = SDEV_ST_AVAILABLE;  in stub_device_reset()
248 	spin_unlock_irq(&ud->lock);  in stub_device_reset()
251 static void stub_device_unusable(struct usbip_device *ud)  in stub_device_unusable()  argument
253 	spin_lock_irq(&ud->lock);  in stub_device_unusable()
254 	ud->status = SDEV_ST_ERROR;  in stub_device_unusable()
255 	spin_unlock_irq(&ud->lock);  in stub_device_unusable()
285 	sdev->ud.side		= USBIP_STUB;  in stub_device_alloc()
286 	sdev->ud.status		= SDEV_ST_AVAILABLE;  in stub_device_alloc()
287 	spin_lock_init(&sdev->ud.lock);  in stub_device_alloc()
288 	sdev->ud.tcp_socket	= NULL;  in stub_device_alloc()
289 	sdev->ud.sockfd		= -1;  in stub_device_alloc()
300 	sdev->ud.eh_ops.shutdown = stub_shutdown_connection;  in stub_device_alloc()
301 	sdev->ud.eh_ops.reset    = stub_device_reset;  in stub_device_alloc()
302 	sdev->ud.eh_ops.unusable = stub_device_unusable;  in stub_device_alloc()
304 	usbip_start_eh(&sdev->ud);  in stub_device_alloc()
435 	usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);  in shutdown_busid()
438 	usbip_stop_eh(&busid_priv->sdev->ud);  in shutdown_busid()