573 static void post_status(struct hv_dynmem_device *dm);
989 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()  local
996 	pg_start = dm->ha_wrk.ha_page_range.finfo.start_page;  in hot_add_req()
997 	pfn_cnt = dm->ha_wrk.ha_page_range.finfo.page_cnt;  in hot_add_req()
999 	rg_start = dm->ha_wrk.ha_region_range.finfo.start_page;  in hot_add_req()
1000 	rg_sz = dm->ha_wrk.ha_region_range.finfo.page_cnt;  in hot_add_req()
1002 	if ((rg_start == 0) && (!dm->host_specified_ha_region)) {  in hot_add_req()
1027 	dm->num_pages_added += resp.page_count;  in hot_add_req()
1059 	dm->state = DM_INITIALIZED;  in hot_add_req()
1061 	vmbus_sendpacket(dm->dev->channel, &resp,  in hot_add_req()
1067 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)  in process_info()  argument
1128 static void post_status(struct hv_dynmem_device *dm)  in post_status()  argument
1159 		dm->num_pages_ballooned +  in post_status()
1160 		(dm->num_pages_added > dm->num_pages_onlined ?  in post_status()
1161 		 dm->num_pages_added - dm->num_pages_onlined : 0) +  in post_status()
1165 			     vm_memory_committed(), dm->num_pages_ballooned,  in post_status()
1166 			     dm->num_pages_added, dm->num_pages_onlined);  in post_status()
1183 	vmbus_sendpacket(dm->dev->channel, &status,  in post_status()
1190 static void free_balloon_pages(struct hv_dynmem_device *dm,  in free_balloon_pages()  argument
1202 		dm->num_pages_ballooned--;  in free_balloon_pages()
1209 static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm,  in alloc_balloon_pages()  argument
1233 		dm->num_pages_ballooned += alloc_unit;  in alloc_balloon_pages()
1350 static void balloon_down(struct hv_dynmem_device *dm,  in balloon_down()  argument
1357 	unsigned int prev_pages_ballooned = dm->num_pages_ballooned;  in balloon_down()
1360 		free_balloon_pages(dm, &range_array[i]);  in balloon_down()
1365 		prev_pages_ballooned - dm->num_pages_ballooned);  in balloon_down()
1380 	dm->state = DM_INITIALIZED;  in balloon_down()
1387 	struct hv_dynmem_device *dm = dm_dev;  in dm_thread_func()  local
1397 		post_status(dm);  in dm_thread_func()
1404 static void version_resp(struct hv_dynmem_device *dm,  in version_resp()  argument
1416 		complete(&dm->host_event);  in version_resp()
1426 	if (dm->next_version == 0)  in version_resp()
1433 	version_req.version.version = dm->next_version;  in version_resp()
1434 	dm->version = version_req.version.version;  in version_resp()
1442 		dm->next_version = DYNMEM_PROTOCOL_VERSION_WIN7;  in version_resp()
1446 		dm->next_version = 0;  in version_resp()
1450 	ret = vmbus_sendpacket(dm->dev->channel, &version_req,  in version_resp()
1461 	dm->state = DM_INIT_ERROR;  in version_resp()
1462 	complete(&dm->host_event);  in version_resp()
1465 static void cap_resp(struct hv_dynmem_device *dm,  in cap_resp()  argument
1470 		dm->state = DM_INIT_ERROR;  in cap_resp()
1472 	complete(&dm->host_event);  in cap_resp()
1482 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_onchannelcallback()  local
1498 			version_resp(dm,  in balloon_onchannelcallback()
1503 			cap_resp(dm,  in balloon_onchannelcallback()
1513 			if (dm->state == DM_BALLOON_UP)  in balloon_onchannelcallback()
1516 			dm->state = DM_BALLOON_UP;  in balloon_onchannelcallback()
1527 			dm->state = DM_BALLOON_DOWN;  in balloon_onchannelcallback()
1528 			balloon_down(dm,  in balloon_onchannelcallback()
1533 			if (dm->state == DM_HOT_ADD)  in balloon_onchannelcallback()
1535 			dm->state = DM_HOT_ADD;  in balloon_onchannelcallback()
1542 				dm->host_specified_ha_region = false;  in balloon_onchannelcallback()
1544 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1545 				dm->ha_wrk.ha_region_range.page_range = 0;  in balloon_onchannelcallback()
1552 				dm->host_specified_ha_region = true;  in balloon_onchannelcallback()
1555 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1556 				dm->ha_wrk.ha_region_range = *ha_region;  in balloon_onchannelcallback()
1562 			process_info(dm, (struct dm_info_msg *)dm_msg);  in balloon_onchannelcallback()
1827 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_remove()  local
1832 	if (dm->num_pages_ballooned != 0)  in balloon_remove()
1833 		pr_warn("Ballooned pages: %d\n", dm->num_pages_ballooned);  in balloon_remove()
1835 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_remove()
1836 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_remove()
1838 	kthread_stop(dm->thread);  in balloon_remove()
1846 	list_for_each_entry_safe(has, tmp, &dm->ha_region_list, list) {  in balloon_remove()
1861 	struct hv_dynmem_device *dm = hv_get_drvdata(hv_dev);  in balloon_suspend()  local
1865 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_suspend()
1866 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_suspend()
1868 	if (dm->thread) {  in balloon_suspend()
1869 		kthread_stop(dm->thread);  in balloon_suspend()
1870 		dm->thread = NULL;  in balloon_suspend()