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 spin_lock_irq(&sdev->ud.lock);
122 if (sdev->ud.status != SDEV_ST_USED)
125 spin_unlock_irq(&sdev->ud.lock);
127 usbip_event_add(&sdev->ud, SDEV_EVENT_DOWN);
128 mutex_unlock(&sdev->ud.sysfs_lock);
136 spin_unlock_irq(&sdev->ud.lock);
138 mutex_unlock(&sdev->ud.sysfs_lock);
151 static void stub_shutdown_connection(struct usbip_device *ud)
153 struct stub_device *sdev = container_of(ud, struct stub_device, ud);
161 if (ud->tcp_socket) {
162 dev_dbg(&sdev->udev->dev, "shutdown sockfd %d\n", ud->sockfd);
163 kernel_sock_shutdown(ud->tcp_socket, SHUT_RDWR);
167 if (ud->tcp_rx) {
168 kthread_stop_put(ud->tcp_rx);
169 ud->tcp_rx = NULL;
171 if (ud->tcp_tx) {
172 kthread_stop_put(ud->tcp_tx);
173 ud->tcp_tx = NULL;
182 if (ud->tcp_socket) {
183 sockfd_put(ud->tcp_socket);
184 ud->tcp_socket = NULL;
185 ud->sockfd = -1;
210 static void stub_device_reset(struct usbip_device *ud)
212 struct stub_device *sdev = container_of(ud, struct stub_device, ud);
221 spin_lock_irq(&ud->lock);
222 ud->status = SDEV_ST_ERROR;
223 spin_unlock_irq(&ud->lock);
231 spin_lock_irq(&ud->lock);
234 ud->status = SDEV_ST_ERROR;
237 ud->status = SDEV_ST_AVAILABLE;
239 spin_unlock_irq(&ud->lock);
242 static void stub_device_unusable(struct usbip_device *ud)
244 spin_lock_irq(&ud->lock);
245 ud->status = SDEV_ST_ERROR;
246 spin_unlock_irq(&ud->lock);
276 sdev->ud.side = USBIP_STUB;
277 sdev->ud.status = SDEV_ST_AVAILABLE;
278 spin_lock_init(&sdev->ud.lock);
279 mutex_init(&sdev->ud.sysfs_lock);
280 sdev->ud.tcp_socket = NULL;
281 sdev->ud.sockfd = -1;
292 sdev->ud.eh_ops.shutdown = stub_shutdown_connection;
293 sdev->ud.eh_ops.reset = stub_device_reset;
294 sdev->ud.eh_ops.unusable = stub_device_unusable;
296 usbip_start_eh(&sdev->ud);
418 usbip_event_add(&busid_priv->sdev->ud, SDEV_EVENT_REMOVED);
421 usbip_stop_eh(&busid_priv->sdev->ud);