142 static void u2f_key_reset(U2FKeyState *key)  in u2f_key_reset()  argument
144     key->pending_in_start = 0;  in u2f_key_reset()
145     key->pending_in_end = 0;  in u2f_key_reset()
146     key->pending_in_num = 0;  in u2f_key_reset()
151     U2FKeyState *key = U2F_KEY(dev);  in u2f_key_handle_reset()  local
153     u2f_key_reset(key);  in u2f_key_handle_reset()
159     U2FKeyState *key = U2F_KEY(dev);  in u2f_key_handle_control()  local
180         data[0] = key->idle;  in u2f_key_handle_control()
184         key->idle = (uint8_t)(value >> 8);  in u2f_key_handle_control()
194 static void u2f_key_recv_from_guest(U2FKeyState *key, USBPacket *p)  in u2f_key_recv_from_guest()  argument
196     U2FKeyClass *kc = U2F_KEY_GET_CLASS(key);  in u2f_key_recv_from_guest()
204     kc->recv_from_guest(key, packet);  in u2f_key_recv_from_guest()
207 static void u2f_pending_in_add(U2FKeyState *key,  in u2f_pending_in_add()  argument
212     if (key->pending_in_num >= U2FHID_PENDING_IN_NUM) {  in u2f_pending_in_add()
216     index = key->pending_in_end;  in u2f_pending_in_add()
217     key->pending_in_end = (index + 1) % U2FHID_PENDING_IN_NUM;  in u2f_pending_in_add()
218     ++key->pending_in_num;  in u2f_pending_in_add()
220     memcpy(key->pending_in[index], packet, U2FHID_PACKET_SIZE);  in u2f_pending_in_add()
223 static uint8_t *u2f_pending_in_get(U2FKeyState *key)  in u2f_pending_in_get()  argument
227     if (key->pending_in_num == 0) {  in u2f_pending_in_get()
231     index = key->pending_in_start;  in u2f_pending_in_get()
232     key->pending_in_start = (index + 1) % U2FHID_PENDING_IN_NUM;  in u2f_pending_in_get()
233     --key->pending_in_num;  in u2f_pending_in_get()
235     return key->pending_in[index];  in u2f_pending_in_get()
240     U2FKeyState *key = U2F_KEY(dev);  in u2f_key_handle_data()  local
251         u2f_key_recv_from_guest(key, p);  in u2f_key_handle_data()
254         packet_in = u2f_pending_in_get(key);  in u2f_key_handle_data()
267 void u2f_send_to_guest(U2FKeyState *key,  in u2f_send_to_guest()  argument
270     u2f_pending_in_add(key, packet);  in u2f_send_to_guest()
271     usb_wakeup(key->ep, 0);  in u2f_send_to_guest()
276     U2FKeyState *key = U2F_KEY(dev);  in u2f_key_unrealize()  local
277     U2FKeyClass *kc = U2F_KEY_GET_CLASS(key);  in u2f_key_unrealize()
280         kc->unrealize(key);  in u2f_key_unrealize()
286     U2FKeyState *key = U2F_KEY(dev);  in u2f_key_realize()  local
287     U2FKeyClass *kc = U2F_KEY_GET_CLASS(key);  in u2f_key_realize()
292     u2f_key_reset(key);  in u2f_key_realize()
295         kc->realize(key, &local_err);  in u2f_key_realize()
301     key->ep = usb_ep_get(dev, USB_TOKEN_IN, 1);  in u2f_key_realize()