26 	struct xen_drm_front_info *front_info = evtchnl->front_info;  in evtchnl_interrupt_ctrl()  local
34 	spin_lock_irqsave(&front_info->io_lock, flags);  in evtchnl_interrupt_ctrl()
77 	spin_unlock_irqrestore(&front_info->io_lock, flags);  in evtchnl_interrupt_ctrl()
84 	struct xen_drm_front_info *front_info = evtchnl->front_info;  in evtchnl_interrupt_evt()  local
92 	spin_lock_irqsave(&front_info->io_lock, flags);  in evtchnl_interrupt_evt()
109 			xen_drm_front_on_frame_done(front_info, evtchnl->index,  in evtchnl_interrupt_evt()
119 	spin_unlock_irqrestore(&front_info->io_lock, flags);  in evtchnl_interrupt_evt()
123 static void evtchnl_free(struct xen_drm_front_info *front_info,  in evtchnl_free()  argument
147 		xenbus_free_evtchn(front_info->xb_dev, evtchnl->port);  in evtchnl_free()
155 static int evtchnl_alloc(struct xen_drm_front_info *front_info, int index,  in evtchnl_alloc()  argument
159 	struct xenbus_device *xb_dev = front_info->xb_dev;  in evtchnl_alloc()
167 	evtchnl->front_info = front_info;  in evtchnl_alloc()
207 int xen_drm_front_evtchnl_create_all(struct xen_drm_front_info *front_info)  in xen_drm_front_evtchnl_create_all()  argument
212 	cfg = &front_info->cfg;  in xen_drm_front_evtchnl_create_all()
214 	front_info->evt_pairs =  in xen_drm_front_evtchnl_create_all()
218 	if (!front_info->evt_pairs) {  in xen_drm_front_evtchnl_create_all()
224 		ret = evtchnl_alloc(front_info, conn,  in xen_drm_front_evtchnl_create_all()
225 				    &front_info->evt_pairs[conn].req,  in xen_drm_front_evtchnl_create_all()
232 		ret = evtchnl_alloc(front_info, conn,  in xen_drm_front_evtchnl_create_all()
233 				    &front_info->evt_pairs[conn].evt,  in xen_drm_front_evtchnl_create_all()
240 	front_info->num_evt_pairs = cfg->num_connectors;  in xen_drm_front_evtchnl_create_all()
244 	xen_drm_front_evtchnl_free_all(front_info);  in xen_drm_front_evtchnl_create_all()
253 	struct xenbus_device *xb_dev = evtchnl->front_info->xb_dev;  in evtchnl_publish()
273 int xen_drm_front_evtchnl_publish_all(struct xen_drm_front_info *front_info)  in xen_drm_front_evtchnl_publish_all()  argument
279 	plat_data = &front_info->cfg;  in xen_drm_front_evtchnl_publish_all()
284 		xenbus_dev_fatal(front_info->xb_dev, ret,  in xen_drm_front_evtchnl_publish_all()
290 		ret = evtchnl_publish(xbt, &front_info->evt_pairs[conn].req,  in xen_drm_front_evtchnl_publish_all()
297 		ret = evtchnl_publish(xbt, &front_info->evt_pairs[conn].evt,  in xen_drm_front_evtchnl_publish_all()
310 		xenbus_dev_fatal(front_info->xb_dev, ret,  in xen_drm_front_evtchnl_publish_all()
321 	xenbus_dev_fatal(front_info->xb_dev, ret, "writing Xen store");  in xen_drm_front_evtchnl_publish_all()
335 void xen_drm_front_evtchnl_set_state(struct xen_drm_front_info *front_info,  in xen_drm_front_evtchnl_set_state()  argument
341 	if (!front_info->evt_pairs)  in xen_drm_front_evtchnl_set_state()
344 	spin_lock_irqsave(&front_info->io_lock, flags);  in xen_drm_front_evtchnl_set_state()
345 	for (i = 0; i < front_info->num_evt_pairs; i++) {  in xen_drm_front_evtchnl_set_state()
346 		front_info->evt_pairs[i].req.state = state;  in xen_drm_front_evtchnl_set_state()
347 		front_info->evt_pairs[i].evt.state = state;  in xen_drm_front_evtchnl_set_state()
349 	spin_unlock_irqrestore(&front_info->io_lock, flags);  in xen_drm_front_evtchnl_set_state()
352 void xen_drm_front_evtchnl_free_all(struct xen_drm_front_info *front_info)  in xen_drm_front_evtchnl_free_all()  argument
356 	if (!front_info->evt_pairs)  in xen_drm_front_evtchnl_free_all()
359 	for (i = 0; i < front_info->num_evt_pairs; i++) {  in xen_drm_front_evtchnl_free_all()
360 		evtchnl_free(front_info, &front_info->evt_pairs[i].req);  in xen_drm_front_evtchnl_free_all()
361 		evtchnl_free(front_info, &front_info->evt_pairs[i].evt);  in xen_drm_front_evtchnl_free_all()
364 	kfree(front_info->evt_pairs);  in xen_drm_front_evtchnl_free_all()
365 	front_info->evt_pairs = NULL;  in xen_drm_front_evtchnl_free_all()