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()
140 	kbd->phys = info->phys;  in xenkbd_probe()
157 	info->kbd = kbd;  in xenkbd_probe()
164 	ptr->phys = info->phys;  in xenkbd_probe()
189 	info->ptr = ptr;  in xenkbd_probe()
191 	ret = xenkbd_connect_backend(dev, info);  in xenkbd_probe()
207 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_resume()  local
209 	xenkbd_disconnect_backend(info);  in xenkbd_resume()
210 	memset(info->page, 0, PAGE_SIZE);  in xenkbd_resume()
211 	return xenkbd_connect_backend(dev, info);  in xenkbd_resume()
216 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_remove()  local
218 	xenkbd_disconnect_backend(info);  in xenkbd_remove()
219 	if (info->kbd)  in xenkbd_remove()
220 		input_unregister_device(info->kbd);  in xenkbd_remove()
221 	if (info->ptr)  in xenkbd_remove()
222 		input_unregister_device(info->ptr);  in xenkbd_remove()
223 	free_page((unsigned long)info->page);  in xenkbd_remove()
224 	kfree(info);  in xenkbd_remove()
229 				  struct xenkbd_info *info)  in xenkbd_connect_backend()  argument
235 	                                  virt_to_mfn(info->page), 0);  in xenkbd_connect_backend()
238 	info->gref = ret;  in xenkbd_connect_backend()
244 					0, dev->devicetype, info);  in xenkbd_connect_backend()
249 	info->irq = ret;  in xenkbd_connect_backend()
258 			    virt_to_mfn(info->page));  in xenkbd_connect_backend()
261 	ret = xenbus_printf(xbt, dev->nodename, "page-gref", "%u", info->gref);  in xenkbd_connect_backend()
283 	unbind_from_irqhandler(info->irq, info);  in xenkbd_connect_backend()
284 	info->irq = -1;  in xenkbd_connect_backend()
288 	gnttab_end_foreign_access(info->gref, 0, 0UL);  in xenkbd_connect_backend()
289 	info->gref = -1;  in xenkbd_connect_backend()
293 static void xenkbd_disconnect_backend(struct xenkbd_info *info)  in xenkbd_disconnect_backend()  argument
295 	if (info->irq >= 0)  in xenkbd_disconnect_backend()
296 		unbind_from_irqhandler(info->irq, info);  in xenkbd_disconnect_backend()
297 	info->irq = -1;  in xenkbd_disconnect_backend()
298 	if (info->gref >= 0)  in xenkbd_disconnect_backend()
299 		gnttab_end_foreign_access(info->gref, 0, 0UL);  in xenkbd_disconnect_backend()
300 	info->gref = -1;  in xenkbd_disconnect_backend()
306 	struct xenkbd_info *info = dev_get_drvdata(&dev->dev);  in xenkbd_backend_changed()  local
319 		ret = xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
324 			ret = xenbus_printf(XBT_NIL, info->xbdev->nodename,  in xenkbd_backend_changed()
343 		if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
345 			input_set_abs_params(info->ptr, ABS_X, 0, val, 0, 0);  in xenkbd_backend_changed()
347 		if (xenbus_scanf(XBT_NIL, info->xbdev->otherend,  in xenkbd_backend_changed()
349 			input_set_abs_params(info->ptr, ABS_Y, 0, val, 0, 0);  in xenkbd_backend_changed()