580 static void post_status(struct hv_dynmem_device *dm);
996 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()  local
1003 	pg_start = dm->ha_wrk.ha_page_range.finfo.start_page;  in hot_add_req()
1004 	pfn_cnt = dm->ha_wrk.ha_page_range.finfo.page_cnt;  in hot_add_req()
1006 	rg_start = dm->ha_wrk.ha_region_range.finfo.start_page;  in hot_add_req()
1007 	rg_sz = dm->ha_wrk.ha_region_range.finfo.page_cnt;  in hot_add_req()
1009 	if ((rg_start == 0) && (!dm->host_specified_ha_region)) {  in hot_add_req()
1034 	dm->num_pages_added += resp.page_count;  in hot_add_req()
1066 	dm->state = DM_INITIALIZED;  in hot_add_req()
1068 	vmbus_sendpacket(dm->dev->channel, &resp,  in hot_add_req()
1074 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)  in process_info()  argument
1087 			dm->max_dynamic_page_count = *max_page_count;  in process_info()
1130 static unsigned long get_pages_committed(struct hv_dynmem_device *dm)  in get_pages_committed()  argument
1133 		dm->num_pages_ballooned +  in get_pages_committed()
1134 		(dm->num_pages_added > dm->num_pages_onlined ?  in get_pages_committed()
1135 		 dm->num_pages_added - dm->num_pages_onlined : 0) +  in get_pages_committed()
1149 static void post_status(struct hv_dynmem_device *dm)  in post_status()  argument
1180 	num_pages_committed = get_pages_committed(dm);  in post_status()
1183 			     vm_memory_committed(), dm->num_pages_ballooned,  in post_status()
1184 			     dm->num_pages_added, dm->num_pages_onlined);  in post_status()
1206 	vmbus_sendpacket(dm->dev->channel, &status,  in post_status()
1213 static void free_balloon_pages(struct hv_dynmem_device *dm,  in free_balloon_pages()  argument
1225 		dm->num_pages_ballooned--;  in free_balloon_pages()
1232 static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm,  in alloc_balloon_pages()  argument
1256 		dm->num_pages_ballooned += alloc_unit;  in alloc_balloon_pages()
1373 static void balloon_down(struct hv_dynmem_device *dm,  in balloon_down()  argument
1380 	unsigned int prev_pages_ballooned = dm->num_pages_ballooned;  in balloon_down()
1383 		free_balloon_pages(dm, &range_array[i]);  in balloon_down()
1388 		prev_pages_ballooned - dm->num_pages_ballooned);  in balloon_down()
1403 	dm->state = DM_INITIALIZED;  in balloon_down()
1410 	struct hv_dynmem_device *dm = dm_dev;  in dm_thread_func()  local
1420 		post_status(dm);  in dm_thread_func()
1427 static void version_resp(struct hv_dynmem_device *dm,  in version_resp()  argument
1439 		complete(&dm->host_event);  in version_resp()
1449 	if (dm->next_version == 0)  in version_resp()
1456 	version_req.version.version = dm->next_version;  in version_resp()
1457 	dm->version = version_req.version.version;  in version_resp()
1465 		dm->next_version = DYNMEM_PROTOCOL_VERSION_WIN7;  in version_resp()
1469 		dm->next_version = 0;  in version_resp()
1473 	ret = vmbus_sendpacket(dm->dev->channel, &version_req,  in version_resp()
1484 	dm->state = DM_INIT_ERROR;  in version_resp()
1485 	complete(&dm->host_event);  in version_resp()
1488 static void cap_resp(struct hv_dynmem_device *dm,  in cap_resp()  argument
1493 		dm->state = DM_INIT_ERROR;  in cap_resp()
1495 	complete(&dm->host_event);  in cap_resp()
1505 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_onchannelcallback()  local
1521 			version_resp(dm,  in balloon_onchannelcallback()
1526 			cap_resp(dm,  in balloon_onchannelcallback()
1536 			if (dm->state == DM_BALLOON_UP)  in balloon_onchannelcallback()
1539 			dm->state = DM_BALLOON_UP;  in balloon_onchannelcallback()
1550 			dm->state = DM_BALLOON_DOWN;  in balloon_onchannelcallback()
1551 			balloon_down(dm,  in balloon_onchannelcallback()
1556 			if (dm->state == DM_HOT_ADD)  in balloon_onchannelcallback()
1558 			dm->state = DM_HOT_ADD;  in balloon_onchannelcallback()
1565 				dm->host_specified_ha_region = false;  in balloon_onchannelcallback()
1567 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1568 				dm->ha_wrk.ha_region_range.page_range = 0;  in balloon_onchannelcallback()
1575 				dm->host_specified_ha_region = true;  in balloon_onchannelcallback()
1578 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1579 				dm->ha_wrk.ha_region_range = *ha_region;  in balloon_onchannelcallback()
1585 			process_info(dm, (struct dm_info_msg *)dm_msg);  in balloon_onchannelcallback()
1842 	struct hv_dynmem_device *dm = f->private;  in hv_balloon_debug_show()  local
1846 				DYNMEM_MAJOR_VERSION(dm->version),  in hv_balloon_debug_show()
1847 				DYNMEM_MINOR_VERSION(dm->version));  in hv_balloon_debug_show()
1858 	seq_printf(f, "%-22s: %u", "state", dm->state);  in hv_balloon_debug_show()
1859 	switch (dm->state) {  in hv_balloon_debug_show()
1887 	seq_printf(f, "%-22s: %u\n", "pages_added", dm->num_pages_added);  in hv_balloon_debug_show()
1890 	seq_printf(f, "%-22s: %u\n", "pages_onlined", dm->num_pages_onlined);  in hv_balloon_debug_show()
1893 	seq_printf(f, "%-22s: %u\n", "pages_ballooned", dm->num_pages_ballooned);  in hv_balloon_debug_show()
1896 				get_pages_committed(dm));  in hv_balloon_debug_show()
1899 				dm->max_dynamic_page_count);  in hv_balloon_debug_show()
1995 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_remove()  local
2000 	if (dm->num_pages_ballooned != 0)  in balloon_remove()
2001 		pr_warn("Ballooned pages: %d\n", dm->num_pages_ballooned);  in balloon_remove()
2003 	hv_balloon_debugfs_exit(dm);  in balloon_remove()
2005 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_remove()
2006 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_remove()
2008 	kthread_stop(dm->thread);  in balloon_remove()
2025 	list_for_each_entry_safe(has, tmp, &dm->ha_region_list, list) {  in balloon_remove()
2040 	struct hv_dynmem_device *dm = hv_get_drvdata(hv_dev);  in balloon_suspend()  local
2044 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_suspend()
2045 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_suspend()
2047 	if (dm->thread) {  in balloon_suspend()
2048 		kthread_stop(dm->thread);  in balloon_suspend()
2049 		dm->thread = NULL;  in balloon_suspend()