583 static struct hv_dynmem_device dm_device;  variable
623 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
655 		complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
659 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_memory_notifier()
662 			if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
663 				dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
672 				dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
703 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
704 	dm_device.num_pages_onlined++;  in hv_page_online_one()
730 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_mem_hot_add()
744 		reinit_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
762 			scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in hv_mem_hot_add()
777 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);  in hv_mem_hot_add()
778 		post_status(&dm_device);  in hv_mem_hot_add()
787 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in hv_online_page()
788 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
806 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in pfn_covered()
807 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
871 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
872 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
924 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
926 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
935 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
951 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
978 		scoped_guard(spinlock_irqsave, &dm_device.ha_lock) {  in process_hot_add()
979 			list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
1000 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
1289 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1325 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1335 				num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1339 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1350 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1358 			post_status(&dm_device);  in balloon_up()
1368 				free_balloon_pages(&dm_device,  in balloon_up()
1388 		complete(&dm_device.config_event);  in balloon_down()
1402 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1418 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1423 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1556 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1557 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1597 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1703 	dm_device.pr_dev_info.report = hv_free_page_report;  in enable_page_reporting()
1708 	dm_device.pr_dev_info.order = 0;  in enable_page_reporting()
1709 	ret = page_reporting_register(&dm_device.pr_dev_info);  in enable_page_reporting()
1711 		dm_device.pr_dev_info.report = NULL;  in enable_page_reporting()
1721 	if (dm_device.pr_dev_info.report) {  in disable_page_reporting()
1722 		page_reporting_unregister(&dm_device.pr_dev_info);  in disable_page_reporting()
1723 		dm_device.pr_dev_info.report = NULL;  in disable_page_reporting()
1790 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1798 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1808 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1814 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1815 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1853 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1863 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1991 	dm_device.dev = dev;  in balloon_probe()
1992 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1993 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1994 	init_completion(&dm_device.host_event);  in balloon_probe()
1995 	init_completion(&dm_device.config_event);  in balloon_probe()
1996 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1997 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1998 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1999 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
2000 	dm_device.host_specified_ha_region = false;  in balloon_probe()
2004 	init_completion(&dm_device.ol_waitevent);  in balloon_probe()
2008 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
2015 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
2017 	dm_device.thread =  in balloon_probe()
2018 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
2019 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
2020 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
2024 	hv_balloon_debugfs_init(&dm_device);  in balloon_probe()
2029 	dm_device.state = DM_INIT_ERROR;  in balloon_probe()
2030 	dm_device.thread  = NULL;  in balloon_probe()
2062 	if (dm_device.state != DM_INIT_ERROR) {  in balloon_remove()
2071 	guard(spinlock_irqsave)(&dm_device.ha_lock);  in balloon_remove()
2107 	dm_device.state = DM_INITIALIZING;  in balloon_resume()
2114 	dm_device.thread =  in balloon_resume()
2115 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_resume()
2116 	if (IS_ERR(dm_device.thread)) {  in balloon_resume()
2117 		ret = PTR_ERR(dm_device.thread);  in balloon_resume()
2118 		dm_device.thread = NULL;  in balloon_resume()
2122 	dm_device.state = DM_INITIALIZED;  in balloon_resume()
2127 	dm_device.state = DM_INIT_ERROR;  in balloon_resume()