568 static struct hv_dynmem_device dm_device;  variable
604 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
636 		complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
640 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_memory_notifier()
643 		if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
644 			dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
652 			dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
654 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_memory_notifier()
683 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
684 	dm_device.num_pages_onlined++;  in hv_page_online_one()
711 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
723 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
725 		reinit_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
743 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
746 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
758 		wait_for_completion_timeout(&dm_device.ol_waitevent, 5 * HZ);  in hv_mem_hot_add()
759 		post_status(&dm_device);  in hv_mem_hot_add()
769 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_online_page()
770 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
779 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_online_page()
790 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in pfn_covered()
791 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
837 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in pfn_covered()
856 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
857 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
909 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
911 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
920 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
937 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
964 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in process_hot_add()
965 		list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
966 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in process_hot_add()
986 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()
1257 	unsigned int num_pages = dm_device.balloon_wrk.num_pages;  in balloon_up()
1293 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1303 				num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1307 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1318 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1326 			post_status(&dm_device);  in balloon_up()
1336 				free_balloon_pages(&dm_device,  in balloon_up()
1356 		complete(&dm_device.config_event);  in balloon_down()
1370 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1386 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1391 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1512 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1513 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1553 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1592 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1600 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1610 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1616 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1617 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1655 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1665 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1690 	dm_device.dev = dev;  in balloon_probe()
1691 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1692 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1693 	init_completion(&dm_device.host_event);  in balloon_probe()
1694 	init_completion(&dm_device.config_event);  in balloon_probe()
1695 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1696 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1697 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1698 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1699 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1703 	init_completion(&dm_device.ol_waitevent);  in balloon_probe()
1707 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1713 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1715 	dm_device.thread =  in balloon_probe()
1716 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1717 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1718 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1725 	dm_device.state = DM_INIT_ERROR;  in balloon_probe()
1726 	dm_device.thread  = NULL;  in balloon_probe()
1754 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in balloon_remove()
1763 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in balloon_remove()
1793 	dm_device.state = DM_INITIALIZING;  in balloon_resume()
1800 	dm_device.thread =  in balloon_resume()
1801 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_resume()
1802 	if (IS_ERR(dm_device.thread)) {  in balloon_resume()
1803 		ret = PTR_ERR(dm_device.thread);  in balloon_resume()
1804 		dm_device.thread = NULL;  in balloon_resume()
1808 	dm_device.state = DM_INITIALIZED;  in balloon_resume()
1813 	dm_device.state = DM_INIT_ERROR;  in balloon_resume()