571 static struct hv_dynmem_device dm_device;  variable
607 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
639 		complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
643 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_memory_notifier()
646 		if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
647 			dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
655 			dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
657 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_memory_notifier()
686 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
687 	dm_device.num_pages_onlined++;  in hv_page_online_one()
714 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
726 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
728 		reinit_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
746 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
749 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
761 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);  in hv_mem_hot_add()
762 		post_status(&dm_device);  in hv_mem_hot_add()
772 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_online_page()
773 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
782 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_online_page()
793 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in pfn_covered()
794 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
840 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in pfn_covered()
859 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
860 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
912 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
914 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
923 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
940 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
967 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in process_hot_add()
968 		list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
969 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in process_hot_add()
989 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
1262 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1298 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1308 				num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1312 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1323 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1331 			post_status(&dm_device);  in balloon_up()
1341 				free_balloon_pages(&dm_device,  in balloon_up()
1361 		complete(&dm_device.config_event);  in balloon_down()
1375 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1391 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1396 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1517 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1518 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1558 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1638 	dm_device.pr_dev_info.report = hv_free_page_report;  in enable_page_reporting()
1639 	ret = page_reporting_register(&dm_device.pr_dev_info);  in enable_page_reporting()
1641 		dm_device.pr_dev_info.report = NULL;  in enable_page_reporting()
1650 	if (dm_device.pr_dev_info.report) {  in disable_page_reporting()
1651 		page_reporting_unregister(&dm_device.pr_dev_info);  in disable_page_reporting()
1652 		dm_device.pr_dev_info.report = NULL;  in disable_page_reporting()
1680 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1688 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1698 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1704 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1705 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1743 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1753 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1778 	dm_device.dev = dev;  in balloon_probe()
1779 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1780 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1781 	init_completion(&dm_device.host_event);  in balloon_probe()
1782 	init_completion(&dm_device.config_event);  in balloon_probe()
1783 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1784 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1785 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1786 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1787 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1791 	init_completion(&dm_device.ol_waitevent);  in balloon_probe()
1795 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1802 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1804 	dm_device.thread =  in balloon_probe()
1805 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1806 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1807 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1814 	dm_device.state = DM_INIT_ERROR;  in balloon_probe()
1815 	dm_device.thread  = NULL;  in balloon_probe()
1845 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in balloon_remove()
1854 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in balloon_remove()
1884 	dm_device.state = DM_INITIALIZING;  in balloon_resume()
1891 	dm_device.thread =  in balloon_resume()
1892 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_resume()
1893 	if (IS_ERR(dm_device.thread)) {  in balloon_resume()
1894 		ret = PTR_ERR(dm_device.thread);  in balloon_resume()
1895 		dm_device.thread = NULL;  in balloon_resume()
1899 	dm_device.state = DM_INITIALIZED;  in balloon_resume()
1904 	dm_device.state = DM_INIT_ERROR;  in balloon_resume()