567 static struct hv_dynmem_device dm_device;  variable
603 		list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_page_offline_check()
635 		if (dm_device.ha_waiting) {  in hv_memory_notifier()
636 			dm_device.ha_waiting = false;  in hv_memory_notifier()
637 			complete(&dm_device.ol_waitevent);  in hv_memory_notifier()
642 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_memory_notifier()
645 		if (pfn_count <= dm_device.num_pages_onlined) {  in hv_memory_notifier()
646 			dm_device.num_pages_onlined -= pfn_count;  in hv_memory_notifier()
654 			dm_device.num_pages_onlined = 0;  in hv_memory_notifier()
656 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_memory_notifier()
687 	lockdep_assert_held(&dm_device.ha_lock);  in hv_page_online_one()
688 	dm_device.num_pages_onlined++;  in hv_page_online_one()
715 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
727 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
729 		init_completion(&dm_device.ol_waitevent);  in hv_mem_hot_add()
730 		dm_device.ha_waiting = !memhp_auto_online;  in hv_mem_hot_add()
748 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
751 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_mem_hot_add()
762 		if (dm_device.ha_waiting)  in hv_mem_hot_add()
763 			wait_for_completion_timeout(&dm_device.ol_waitevent,  in hv_mem_hot_add()
765 		post_status(&dm_device);  in hv_mem_hot_add()
775 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in hv_online_page()
776 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in hv_online_page()
785 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in hv_online_page()
796 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in pfn_covered()
797 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in pfn_covered()
843 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in pfn_covered()
862 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
863 	list_for_each_entry(has, &dm_device.ha_region_list, list) {  in handle_pg_range()
915 			spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
917 			spin_lock_irqsave(&dm_device.ha_lock, flags);  in handle_pg_range()
926 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in handle_pg_range()
943 	if (!dm_device.host_specified_ha_region) {  in process_hot_add()
970 		spin_lock_irqsave(&dm_device.ha_lock, flags);  in process_hot_add()
971 		list_add_tail(&ha_region->list, &dm_device.ha_region_list);  in process_hot_add()
972 		spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in process_hot_add()
992 	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()
1302 		num_ballooned = alloc_balloon_pages(&dm_device, num_pages,  in balloon_up()
1312 				num_pages, dm_device.balloon_wrk.num_pages);  in balloon_up()
1316 			dm_device.state = DM_INITIALIZED;  in balloon_up()
1327 			ret = vmbus_sendpacket(dm_device.dev->channel,  in balloon_up()
1335 			post_status(&dm_device);  in balloon_up()
1345 				free_balloon_pages(&dm_device,  in balloon_up()
1365 		complete(&dm_device.config_event);  in balloon_down()
1379 	vmbus_sendpacket(dm_device.dev->channel, &resp,  in balloon_down()
1395 						&dm_device.config_event, 1*HZ);  in dm_thread_func()
1400 		reinit_completion(&dm_device.config_event);  in dm_thread_func()
1516 			dm_device.balloon_wrk.num_pages = bal_msg->num_pages;  in balloon_onchannelcallback()
1517 			schedule_work(&dm_device.balloon_wrk.wrk);  in balloon_onchannelcallback()
1552 			schedule_work(&dm_device.ha_wrk.wrk);  in balloon_onchannelcallback()
1591 	dm_device.version = version_req.version.version;  in balloon_connect_vsp()
1599 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1609 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1615 		DYNMEM_MAJOR_VERSION(dm_device.version),  in balloon_connect_vsp()
1616 		DYNMEM_MINOR_VERSION(dm_device.version));  in balloon_connect_vsp()
1649 	t = wait_for_completion_timeout(&dm_device.host_event, 5*HZ);  in balloon_connect_vsp()
1659 	if (dm_device.state == DM_INIT_ERROR) {  in balloon_connect_vsp()
1680 	dm_device.dev = dev;  in balloon_probe()
1681 	dm_device.state = DM_INITIALIZING;  in balloon_probe()
1682 	dm_device.next_version = DYNMEM_PROTOCOL_VERSION_WIN8;  in balloon_probe()
1683 	init_completion(&dm_device.host_event);  in balloon_probe()
1684 	init_completion(&dm_device.config_event);  in balloon_probe()
1685 	INIT_LIST_HEAD(&dm_device.ha_region_list);  in balloon_probe()
1686 	spin_lock_init(&dm_device.ha_lock);  in balloon_probe()
1687 	INIT_WORK(&dm_device.balloon_wrk.wrk, balloon_up);  in balloon_probe()
1688 	INIT_WORK(&dm_device.ha_wrk.wrk, hot_add_req);  in balloon_probe()
1689 	dm_device.host_specified_ha_region = false;  in balloon_probe()
1696 	hv_set_drvdata(dev, &dm_device);  in balloon_probe()
1702 	dm_device.state = DM_INITIALIZED;  in balloon_probe()
1704 	dm_device.thread =  in balloon_probe()
1705 		 kthread_run(dm_thread_func, &dm_device, "hv_balloon");  in balloon_probe()
1706 	if (IS_ERR(dm_device.thread)) {  in balloon_probe()
1707 		ret = PTR_ERR(dm_device.thread);  in balloon_probe()
1741 	spin_lock_irqsave(&dm_device.ha_lock, flags);  in balloon_remove()
1750 	spin_unlock_irqrestore(&dm_device.ha_lock, flags);  in balloon_remove()