585 static void post_status(struct hv_dynmem_device *dm);
1000 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()  local
1007 	pg_start = dm->ha_wrk.ha_page_range.finfo.start_page;  in hot_add_req()
1008 	pfn_cnt = dm->ha_wrk.ha_page_range.finfo.page_cnt;  in hot_add_req()
1010 	rg_start = dm->ha_wrk.ha_region_range.finfo.start_page;  in hot_add_req()
1011 	rg_sz = dm->ha_wrk.ha_region_range.finfo.page_cnt;  in hot_add_req()
1013 	if ((rg_start == 0) && (!dm->host_specified_ha_region)) {  in hot_add_req()
1038 	dm->num_pages_added += resp.page_count;  in hot_add_req()
1070 	dm->state = DM_INITIALIZED;  in hot_add_req()
1072 	vmbus_sendpacket(dm->dev->channel, &resp,  in hot_add_req()
1078 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)  in process_info()  argument
1091 			dm->max_dynamic_page_count = *max_page_count;  in process_info()
1134 static unsigned long get_pages_committed(struct hv_dynmem_device *dm)  in get_pages_committed()  argument
1137 		dm->num_pages_ballooned +  in get_pages_committed()
1138 		(dm->num_pages_added > dm->num_pages_onlined ?  in get_pages_committed()
1139 		 dm->num_pages_added - dm->num_pages_onlined : 0) +  in get_pages_committed()
1153 static void post_status(struct hv_dynmem_device *dm)  in post_status()  argument
1184 	num_pages_committed = get_pages_committed(dm);  in post_status()
1187 			     vm_memory_committed(), dm->num_pages_ballooned,  in post_status()
1188 			     dm->num_pages_added, dm->num_pages_onlined);  in post_status()
1210 	vmbus_sendpacket(dm->dev->channel, &status,  in post_status()
1217 static void free_balloon_pages(struct hv_dynmem_device *dm,  in free_balloon_pages()  argument
1229 		dm->num_pages_ballooned--;  in free_balloon_pages()
1236 static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm,  in alloc_balloon_pages()  argument
1260 		dm->num_pages_ballooned += alloc_unit;  in alloc_balloon_pages()
1377 static void balloon_down(struct hv_dynmem_device *dm,  in balloon_down()  argument
1384 	unsigned int prev_pages_ballooned = dm->num_pages_ballooned;  in balloon_down()
1387 		free_balloon_pages(dm, &range_array[i]);  in balloon_down()
1392 		prev_pages_ballooned - dm->num_pages_ballooned);  in balloon_down()
1407 	dm->state = DM_INITIALIZED;  in balloon_down()
1414 	struct hv_dynmem_device *dm = dm_dev;  in dm_thread_func()  local
1424 		post_status(dm);  in dm_thread_func()
1443 static void version_resp(struct hv_dynmem_device *dm,  in version_resp()  argument
1455 		complete(&dm->host_event);  in version_resp()
1465 	if (dm->next_version == 0)  in version_resp()
1472 	version_req.version.version = dm->next_version;  in version_resp()
1473 	dm->version = version_req.version.version;  in version_resp()
1481 		dm->next_version = DYNMEM_PROTOCOL_VERSION_WIN7;  in version_resp()
1485 		dm->next_version = 0;  in version_resp()
1489 	ret = vmbus_sendpacket(dm->dev->channel, &version_req,  in version_resp()
1500 	dm->state = DM_INIT_ERROR;  in version_resp()
1501 	complete(&dm->host_event);  in version_resp()
1504 static void cap_resp(struct hv_dynmem_device *dm,  in cap_resp()  argument
1509 		dm->state = DM_INIT_ERROR;  in cap_resp()
1511 	complete(&dm->host_event);  in cap_resp()
1521 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_onchannelcallback()  local
1537 			version_resp(dm,  in balloon_onchannelcallback()
1542 			cap_resp(dm,  in balloon_onchannelcallback()
1552 			if (dm->state == DM_BALLOON_UP)  in balloon_onchannelcallback()
1555 			dm->state = DM_BALLOON_UP;  in balloon_onchannelcallback()
1566 			dm->state = DM_BALLOON_DOWN;  in balloon_onchannelcallback()
1567 			balloon_down(dm,  in balloon_onchannelcallback()
1572 			if (dm->state == DM_HOT_ADD)  in balloon_onchannelcallback()
1574 			dm->state = DM_HOT_ADD;  in balloon_onchannelcallback()
1581 				dm->host_specified_ha_region = false;  in balloon_onchannelcallback()
1583 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1584 				dm->ha_wrk.ha_region_range.page_range = 0;  in balloon_onchannelcallback()
1591 				dm->host_specified_ha_region = true;  in balloon_onchannelcallback()
1594 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1595 				dm->ha_wrk.ha_region_range = *ha_region;  in balloon_onchannelcallback()
1601 			process_info(dm, (struct dm_info_msg *)dm_msg);  in balloon_onchannelcallback()
1890 	struct hv_dynmem_device *dm = f->private;  in hv_balloon_debug_show()  local
1894 				DYNMEM_MAJOR_VERSION(dm->version),  in hv_balloon_debug_show()
1895 				DYNMEM_MINOR_VERSION(dm->version));  in hv_balloon_debug_show()
1906 	seq_printf(f, "%-22s: %u", "state", dm->state);  in hv_balloon_debug_show()
1907 	switch (dm->state) {  in hv_balloon_debug_show()
1935 	seq_printf(f, "%-22s: %u\n", "pages_added", dm->num_pages_added);  in hv_balloon_debug_show()
1938 	seq_printf(f, "%-22s: %u\n", "pages_onlined", dm->num_pages_onlined);  in hv_balloon_debug_show()
1941 	seq_printf(f, "%-22s: %u\n", "pages_ballooned", dm->num_pages_ballooned);  in hv_balloon_debug_show()
1944 				get_pages_committed(dm));  in hv_balloon_debug_show()
1947 				dm->max_dynamic_page_count);  in hv_balloon_debug_show()
2043 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_remove()  local
2047 	if (dm->num_pages_ballooned != 0)  in balloon_remove()
2048 		pr_warn("Ballooned pages: %d\n", dm->num_pages_ballooned);  in balloon_remove()
2050 	hv_balloon_debugfs_exit(dm);  in balloon_remove()
2052 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_remove()
2053 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_remove()
2055 	kthread_stop(dm->thread);  in balloon_remove()
2072 	list_for_each_entry_safe(has, tmp, &dm->ha_region_list, list) {  in balloon_remove()
2084 	struct hv_dynmem_device *dm = hv_get_drvdata(hv_dev);  in balloon_suspend()  local
2088 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_suspend()
2089 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_suspend()
2091 	if (dm->thread) {  in balloon_suspend()
2092 		kthread_stop(dm->thread);  in balloon_suspend()
2093 		dm->thread = NULL;  in balloon_suspend()