Lines Matching refs:ud
29 spin_lock_irq(&sdev->ud.lock);
30 status = sdev->ud.status;
31 spin_unlock_irq(&sdev->ud.lock);
66 mutex_lock(&sdev->ud.sysfs_lock);
67 spin_lock_irq(&sdev->ud.lock);
69 if (sdev->ud.status != SDEV_ST_AVAILABLE) {
87 spin_unlock_irq(&sdev->ud.lock);
88 tcp_rx = kthread_create(stub_rx_loop, &sdev->ud, "stub_rx");
93 tcp_tx = kthread_create(stub_tx_loop, &sdev->ud, "stub_tx");
104 /* lock and update sdev->ud state */
105 spin_lock_irq(&sdev->ud.lock);
106 sdev->ud.tcp_socket = socket;
107 sdev->ud.sockfd = sockfd;
108 sdev->ud.tcp_rx = tcp_rx;
109 sdev->ud.tcp_tx = tcp_tx;
110 sdev->ud.status = SDEV_ST_USED;
111 spin_unlock_irq(&sdev->ud.lock);
113 wake_up_process(sdev->ud.tcp_rx);
114 wake_up_process(sdev->ud.tcp_tx);
116 mutex_unlock(&sdev->ud.sysfs_lock);
121 mutex_lock(&sdev->ud.sysfs_lock);
123 spin_lock_irq(&sdev->ud.lock);
124 if (sdev->ud.status != SDEV_ST_USED)
127 spin_unlock_irq(&sdev->ud.lock);
129 usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);
130 mutex_unlock(&sdev->ud.sysfs_lock);
138 spin_unlock_irq(&sdev->ud.lock);
140 mutex_unlock(&sdev->ud.sysfs_lock);
153 static void stub_shutdown_connection(struct usbip_device *ud)
155 struct stub_device *sdev = container_of(ud, struct stub_device, ud);
163 if (ud->tcp_socket) {
164 dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);
165 kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
169 if (ud->tcp_rx) {
170 kthread_stop_put(ud->tcp_rx);
171 ud->tcp_rx = NULL;
173 if (ud->tcp_tx) {
174 kthread_stop_put(ud->tcp_tx);
175 ud->tcp_tx = NULL;
184 if (ud->tcp_socket) {
185 sockfd_put(ud->tcp_socket);
186 ud->tcp_socket = NULL;
187 ud->sockfd = -1;
212 static void stub_device_reset(struct usbip_device *ud)
214 struct stub_device *sdev = container_of(ud, struct stub_device, ud);
223 spin_lock_irq(&ud->lock);
224 ud->status = SDEV_ST_ERROR;
225 spin_unlock_irq(&ud->lock);
233 spin_lock_irq(&ud->lock);
236 ud->status = SDEV_ST_ERROR;
239 ud->status = SDEV_ST_AVAILABLE;
241 spin_unlock_irq(&ud->lock);
244 static void stub_device_unusable(struct usbip_device *ud)
246 spin_lock_irq(&ud->lock);
247 ud->status = SDEV_ST_ERROR;
248 spin_unlock_irq(&ud->lock);
278 sdev->ud.side = USBIP_STUB;
279 sdev->ud.status = SDEV_ST_AVAILABLE;
280 spin_lock_init(&sdev->ud.lock);
281 mutex_init(&sdev->ud.sysfs_lock);
282 sdev->ud.tcp_socket = NULL;
283 sdev->ud.sockfd = -1;
294 sdev->ud.eh_ops.shutdown = stub_shutdown_connection;
295 sdev->ud.eh_ops.reset = stub_device_reset;
296 sdev->ud.eh_ops.unusable = stub_device_unusable;
298 usbip_start_eh(&sdev->ud);
420 usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);
423 usbip_stop_eh(&busid_priv->sdev->ud);