570 static void post_status(struct hv_dynmem_device *dm);
986 	struct hv_dynmem_device *dm = &dm_device;  in hot_add_req()  local
993 	pg_start = dm->ha_wrk.ha_page_range.finfo.start_page;  in hot_add_req()
994 	pfn_cnt = dm->ha_wrk.ha_page_range.finfo.page_cnt;  in hot_add_req()
996 	rg_start = dm->ha_wrk.ha_region_range.finfo.start_page;  in hot_add_req()
997 	rg_sz = dm->ha_wrk.ha_region_range.finfo.page_cnt;  in hot_add_req()
999 	if ((rg_start == 0) && (!dm->host_specified_ha_region)) {  in hot_add_req()
1025 	dm->num_pages_added += resp.page_count;  in hot_add_req()
1057 	dm->state = DM_INITIALIZED;  in hot_add_req()
1059 	vmbus_sendpacket(dm->dev->channel, &resp,  in hot_add_req()
1065 static void process_info(struct hv_dynmem_device *dm, struct dm_info_msg *msg)  in process_info()  argument
1126 static void post_status(struct hv_dynmem_device *dm)  in post_status()  argument
1157 		dm->num_pages_ballooned +  in post_status()
1158 		(dm->num_pages_added > dm->num_pages_onlined ?  in post_status()
1159 		 dm->num_pages_added - dm->num_pages_onlined : 0) +  in post_status()
1163 			     vm_memory_committed(), dm->num_pages_ballooned,  in post_status()
1164 			     dm->num_pages_added, dm->num_pages_onlined);  in post_status()
1181 	vmbus_sendpacket(dm->dev->channel, &status,  in post_status()
1188 static void free_balloon_pages(struct hv_dynmem_device *dm,  in free_balloon_pages()  argument
1200 		dm->num_pages_ballooned--;  in free_balloon_pages()
1206 static unsigned int alloc_balloon_pages(struct hv_dynmem_device *dm,  in alloc_balloon_pages()  argument
1230 		dm->num_pages_ballooned += alloc_unit;  in alloc_balloon_pages()
1345 static void balloon_down(struct hv_dynmem_device *dm,  in balloon_down()  argument
1352 	unsigned int prev_pages_ballooned = dm->num_pages_ballooned;  in balloon_down()
1355 		free_balloon_pages(dm, &range_array[i]);  in balloon_down()
1360 		prev_pages_ballooned - dm->num_pages_ballooned);  in balloon_down()
1375 	dm->state = DM_INITIALIZED;  in balloon_down()
1382 	struct hv_dynmem_device *dm = dm_dev;  in dm_thread_func()  local
1392 		post_status(dm);  in dm_thread_func()
1399 static void version_resp(struct hv_dynmem_device *dm,  in version_resp()  argument
1411 		complete(&dm->host_event);  in version_resp()
1421 	if (dm->next_version == 0)  in version_resp()
1428 	version_req.version.version = dm->next_version;  in version_resp()
1429 	dm->version = version_req.version.version;  in version_resp()
1437 		dm->next_version = DYNMEM_PROTOCOL_VERSION_WIN7;  in version_resp()
1441 		dm->next_version = 0;  in version_resp()
1445 	ret = vmbus_sendpacket(dm->dev->channel, &version_req,  in version_resp()
1456 	dm->state = DM_INIT_ERROR;  in version_resp()
1457 	complete(&dm->host_event);  in version_resp()
1460 static void cap_resp(struct hv_dynmem_device *dm,  in cap_resp()  argument
1465 		dm->state = DM_INIT_ERROR;  in cap_resp()
1467 	complete(&dm->host_event);  in cap_resp()
1477 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_onchannelcallback()  local
1493 			version_resp(dm,  in balloon_onchannelcallback()
1498 			cap_resp(dm,  in balloon_onchannelcallback()
1508 			if (dm->state == DM_BALLOON_UP)  in balloon_onchannelcallback()
1511 			dm->state = DM_BALLOON_UP;  in balloon_onchannelcallback()
1522 			dm->state = DM_BALLOON_DOWN;  in balloon_onchannelcallback()
1523 			balloon_down(dm,  in balloon_onchannelcallback()
1528 			if (dm->state == DM_HOT_ADD)  in balloon_onchannelcallback()
1530 			dm->state = DM_HOT_ADD;  in balloon_onchannelcallback()
1537 				dm->host_specified_ha_region = false;  in balloon_onchannelcallback()
1539 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1540 				dm->ha_wrk.ha_region_range.page_range = 0;  in balloon_onchannelcallback()
1547 				dm->host_specified_ha_region = true;  in balloon_onchannelcallback()
1550 				dm->ha_wrk.ha_page_range = *ha_pg_range;  in balloon_onchannelcallback()
1551 				dm->ha_wrk.ha_region_range = *ha_region;  in balloon_onchannelcallback()
1557 			process_info(dm, (struct dm_info_msg *)dm_msg);  in balloon_onchannelcallback()
1737 	struct hv_dynmem_device *dm = hv_get_drvdata(dev);  in balloon_remove()  local
1742 	if (dm->num_pages_ballooned != 0)  in balloon_remove()
1743 		pr_warn("Ballooned pages: %d\n", dm->num_pages_ballooned);  in balloon_remove()
1745 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_remove()
1746 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_remove()
1748 	kthread_stop(dm->thread);  in balloon_remove()
1755 	list_for_each_entry_safe(has, tmp, &dm->ha_region_list, list) {  in balloon_remove()
1770 	struct hv_dynmem_device *dm = hv_get_drvdata(hv_dev);  in balloon_suspend()  local
1774 	cancel_work_sync(&dm->balloon_wrk.wrk);  in balloon_suspend()
1775 	cancel_work_sync(&dm->ha_wrk.wrk);  in balloon_suspend()
1777 	if (dm->thread) {  in balloon_suspend()
1778 		kthread_stop(dm->thread);  in balloon_suspend()
1779 		dm->thread = NULL;  in balloon_suspend()