55 	struct xenkbd_info *info = dev_id;  in input_handler()  local
56 	struct xenkbd_page *page = info->page;  in input_handler()
68 		dev = info->ptr;  in input_handler()
79 			if (test_bit(event->key.keycode, info->kbd->keybit))  in input_handler()
80 				dev = info->kbd;  in input_handler()
81 			if (test_bit(event->key.keycode, info->ptr->keybit))  in input_handler()
82 				dev = info->ptr;  in input_handler()
103 	notify_remote_via_irq(info->irq);  in input_handler()
112 	struct xenkbd_info *info;  in xenkbd_probe()  local
115 	info = kzalloc(sizeof(*info), GFP_KERNEL);  in xenkbd_probe()
116 	if (!info) {  in xenkbd_probe()
120 	dev_set_drvdata(&dev->dev, info);  in xenkbd_probe()
121 	info->xbdev = dev;  in xenkbd_probe()
122 	info->irq = -1;  in xenkbd_probe()
123 	info->gref = -1;  in xenkbd_probe()
124 	snprintf(info->phys, sizeof(info->phys), "xenbus/%s", dev->nodename);  in xenkbd_probe()
126 	info->page = (void *)__get_free_page(GFP_KERNEL | __GFP_ZERO);  in xenkbd_probe()
127 	if (!info->page)  in xenkbd_probe()
146 	kbd->phys = info->phys;  in xenkbd_probe()
163 	info->kbd = kbd;  in xenkbd_probe()
170 	ptr->phys = info->phys;  in xenkbd_probe()
195 	info->ptr = ptr;  in xenkbd_probe()
197 	ret = xenkbd_connect_backend(dev, info);  in xenkbd_probe()
213 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_resume()  local
215 	xenkbd_disconnect_backend(info);  in xenkbd_resume()
216 	memset(info->page, 0, PAGE_SIZE);  in xenkbd_resume()
217 	return xenkbd_connect_backend(dev, info);  in xenkbd_resume()
222 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_remove()  local
224 	xenkbd_disconnect_backend(info);  in xenkbd_remove()
225 	if (info->kbd)  in xenkbd_remove()
226 		input_unregister_device(info->kbd);  in xenkbd_remove()
227 	if (info->ptr)  in xenkbd_remove()
228 		input_unregister_device(info->ptr);  in xenkbd_remove()
229 	free_page((unsigned long)info->page);  in xenkbd_remove()
230 	kfree(info);  in xenkbd_remove()
235 				  struct xenkbd_info *info)  in xenkbd_connect_backend()  argument
241 	                                  virt_to_gfn(info->page), 0);  in xenkbd_connect_backend()
244 	info->gref = ret;  in xenkbd_connect_backend()
250 					0, dev->devicetype, info);  in xenkbd_connect_backend()
255 	info->irq = ret;  in xenkbd_connect_backend()
264 			    virt_to_gfn(info->page));  in xenkbd_connect_backend()
267 	ret = xenbus_printf(xbt, dev->nodename, "page-gref", "%u", info->gref);  in xenkbd_connect_backend()
289 	unbind_from_irqhandler(info->irq, info);  in xenkbd_connect_backend()
290 	info->irq = -1;  in xenkbd_connect_backend()
294 	gnttab_end_foreign_access(info->gref, 0, 0UL);  in xenkbd_connect_backend()
295 	info->gref = -1;  in xenkbd_connect_backend()
299 static void xenkbd_disconnect_backend(struct xenkbd_info *info)  in xenkbd_disconnect_backend()  argument
301 	if (info->irq >= 0)  in xenkbd_disconnect_backend()
302 		unbind_from_irqhandler(info->irq, info);  in xenkbd_disconnect_backend()
303 	info->irq = -1;  in xenkbd_disconnect_backend()
304 	if (info->gref >= 0)  in xenkbd_disconnect_backend()
305 		gnttab_end_foreign_access(info->gref, 0, 0UL);  in xenkbd_disconnect_backend()
306 	info->gref = -1;  in xenkbd_disconnect_backend()
312 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_backend_changed()  local
325 		ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
330 			ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,  in xenkbd_backend_changed()
349 		if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
351 			input_set_abs_params(info->ptr, ABS_X, 0, val, 0, 0);  in xenkbd_backend_changed()
353 		if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
355 			input_set_abs_params(info->ptr, ABS_Y, 0, val, 0, 0);  in xenkbd_backend_changed()