578 static struct hv_dynmem_device dm_device;  variable
614 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
646 		complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
650 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_memory_notifier()
653 		if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
654 			dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
662 			dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
664 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_memory_notifier()
693 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
694 	dm_device.num_pages_onlined++;  in hv_page_online_one()
721 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
733 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
735 		reinit_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
753 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
756 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
768 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);  in hv_mem_hot_add()
769 		post_status(&dm_device);  in hv_mem_hot_add()
779 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_online_page()
780 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
789 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_online_page()
800 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in pfn_covered()
801 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
847 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in pfn_covered()
866 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
867 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
919 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
921 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
930 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
947 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
974 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in process_hot_add()
975 		list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
976 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in process_hot_add()
996 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
1285 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1321 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1331 				num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1335 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1346 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1354 			post_status(&dm_device);  in balloon_up()
1364 				free_balloon_pages(&dm_device,  in balloon_up()
1384 		complete(&dm_device.config_event);  in balloon_down()
1398 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1414 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1419 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1540 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1541 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1581 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1661 	dm_device.pr_dev_info.report = hv_free_page_report;  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()
1673 	if (dm_device.pr_dev_info.report) {  in disable_page_reporting()
1674 		page_reporting_unregister(&dm_device.pr_dev_info);  in disable_page_reporting()
1675 		dm_device.pr_dev_info.report = NULL;  in disable_page_reporting()
1742 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1750 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1760 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1766 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1767 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1805 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1815 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1943 	dm_device.dev = dev;  in balloon_probe()
1944 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1945 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1946 	init_completion(&dm_device.host_event);  in balloon_probe()
1947 	init_completion(&dm_device.config_event);  in balloon_probe()
1948 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1949 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1950 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1951 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1952 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1956 	init_completion(&dm_device.ol_waitevent);  in balloon_probe()
1960 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1967 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1969 	dm_device.thread =  in balloon_probe()
1970 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1971 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1972 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1976 	hv_balloon_debugfs_init(&dm_device);  in balloon_probe()
1981 	dm_device.state = DM_INIT_ERROR;  in balloon_probe()
1982 	dm_device.thread  = NULL;  in balloon_probe()
2015 	if (dm_device.state != DM_INIT_ERROR) {  in balloon_remove()
2024 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in balloon_remove()
2033 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in balloon_remove()
2063 	dm_device.state = DM_INITIALIZING;  in balloon_resume()
2070 	dm_device.thread =  in balloon_resume()
2071 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_resume()
2072 	if (IS_ERR(dm_device.thread)) {  in balloon_resume()
2073 		ret = PTR_ERR(dm_device.thread);  in balloon_resume()
2074 		dm_device.thread = NULL;  in balloon_resume()
2078 	dm_device.state = DM_INITIALIZED;  in balloon_resume()
2083 	dm_device.state = DM_INIT_ERROR;  in balloon_resume()