573 static struct hv_dynmem_device dm_device;  variable
613 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
645 		complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
649 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_memory_notifier()
652 			if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
653 				dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
662 				dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
692 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
693 	dm_device.num_pages_onlined++;  in hv_page_online_one()
719 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_mem_hot_add()
726 		reinit_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
744 			scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_mem_hot_add()
759 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);  in hv_mem_hot_add()
760 		post_status(&dm_device);  in hv_mem_hot_add()
769 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in hv_online_page()
770 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
788 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in pfn_covered()
789 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
847 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
848 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
897 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
899 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
908 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
924 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
951 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in process_hot_add()
952 			list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
973 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
1249 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1285 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1295 				 num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1299 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1310 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1318 			post_status(&dm_device);  in balloon_up()
1328 				free_balloon_pages(&dm_device,  in balloon_up()
1347 		complete(&dm_device.config_event);  in balloon_down()
1361 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1376 		wait_for_completion_interruptible_timeout(&dm_device.config_event, 1 * HZ);  in dm_thread_func()
1381 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1513 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1514 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1554 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1656 	dm_device.pr_dev_info.report = hv_free_page_report;  in enable_page_reporting()
1661 	dm_device.pr_dev_info.order = 0;  in enable_page_reporting()
1662 	ret = page_reporting_register(&dm_device.pr_dev_info);  in enable_page_reporting()
1664 		dm_device.pr_dev_info.report = NULL;  in enable_page_reporting()
1674 	if (dm_device.pr_dev_info.report) {  in disable_page_reporting()
1675 		page_reporting_unregister(&dm_device.pr_dev_info);  in disable_page_reporting()
1676 		dm_device.pr_dev_info.report = NULL;  in disable_page_reporting()
1743 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1751 	t = wait_for_completion_timeout(&dm_device.host_event, 5 * HZ);  in balloon_connect_vsp()
1761 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1767 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1768 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1809 	t = wait_for_completion_timeout(&dm_device.host_event, 5 * HZ);  in balloon_connect_vsp()
1819 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1962 	dm_device.dev = dev;  in balloon_probe()
1963 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1964 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1965 	init_completion(&dm_device.host_event);  in balloon_probe()
1966 	init_completion(&dm_device.config_event);  in balloon_probe()
1967 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1968 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1969 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1970 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1971 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1975 	init_completion(&dm_device.ol_waitevent);  in balloon_probe()
1979 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1986 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1988 	dm_device.thread =  in balloon_probe()
1989 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1990 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1991 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1995 	hv_balloon_debugfs_init(&dm_device);  in balloon_probe()
2000 	dm_device.state = DM_INIT_ERROR;  in balloon_probe()
2001 	dm_device.thread  = NULL;  in balloon_probe()
2033 	if (dm_device.state != DM_INIT_ERROR) {  in balloon_remove()
2042 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in balloon_remove()
2077 	dm_device.state = DM_INITIALIZING;  in balloon_resume()
2084 	dm_device.thread =  in balloon_resume()
2085 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_resume()
2086 	if (IS_ERR(dm_device.thread)) {  in balloon_resume()
2087 		ret = PTR_ERR(dm_device.thread);  in balloon_resume()
2088 		dm_device.thread = NULL;  in balloon_resume()
2092 	dm_device.state = DM_INITIALIZED;  in balloon_resume()
2097 	dm_device.state = DM_INIT_ERROR;  in balloon_resume()