38 struct vmbus_connection vmbus_connection = {  variable
80 	msg->interrupt_page = virt_to_phys(vmbus_connection.int_page);  in vmbus_negotiate_version()
81 	msg->monitor_page1 = virt_to_phys(vmbus_connection.monitor_pages[0]);  in vmbus_negotiate_version()
82 	msg->monitor_page2 = virt_to_phys(vmbus_connection.monitor_pages[1]);  in vmbus_negotiate_version()
92 	spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);  in vmbus_negotiate_version()
94 		      &vmbus_connection.chn_msg_list);  in vmbus_negotiate_version()
96 	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);  in vmbus_negotiate_version()
101 		spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);  in vmbus_negotiate_version()
103 		spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock,  in vmbus_negotiate_version()
111 	spin_lock_irqsave(&vmbus_connection.channelmsg_lock, flags);  in vmbus_negotiate_version()
113 	spin_unlock_irqrestore(&vmbus_connection.channelmsg_lock, flags);  in vmbus_negotiate_version()
117 		vmbus_connection.conn_state = CONNECTED;  in vmbus_negotiate_version()
135 	vmbus_connection.conn_state = CONNECTING;  in vmbus_connect()
136 	vmbus_connection.work_queue = create_workqueue("hv_vmbus_con");  in vmbus_connect()
137 	if (!vmbus_connection.work_queue) {  in vmbus_connect()
142 	INIT_LIST_HEAD(&vmbus_connection.chn_msg_list);  in vmbus_connect()
143 	spin_lock_init(&vmbus_connection.channelmsg_lock);  in vmbus_connect()
145 	INIT_LIST_HEAD(&vmbus_connection.chn_list);  in vmbus_connect()
146 	spin_lock_init(&vmbus_connection.channel_lock);  in vmbus_connect()
152 	vmbus_connection.int_page =  in vmbus_connect()
154 	if (vmbus_connection.int_page == NULL) {  in vmbus_connect()
159 	vmbus_connection.recv_int_page = vmbus_connection.int_page;  in vmbus_connect()
160 	vmbus_connection.send_int_page =  in vmbus_connect()
161 		(void *)((unsigned long)vmbus_connection.int_page +  in vmbus_connect()
168 	vmbus_connection.monitor_pages[0] = (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 0);  in vmbus_connect()
169 	vmbus_connection.monitor_pages[1] = (void *)__get_free_pages((GFP_KERNEL|__GFP_ZERO), 0);  in vmbus_connect()
170 	if ((vmbus_connection.monitor_pages[0] == NULL) ||  in vmbus_connect()
171 	    (vmbus_connection.monitor_pages[1] == NULL)) {  in vmbus_connect()
198 		if (vmbus_connection.conn_state == CONNECTED)  in vmbus_connect()
220 	vmbus_connection.conn_state = DISCONNECTED;  in vmbus_connect()
230 	if (vmbus_connection.work_queue) {  in vmbus_disconnect()
231 		drain_workqueue(vmbus_connection.work_queue);  in vmbus_disconnect()
232 		destroy_workqueue(vmbus_connection.work_queue);  in vmbus_disconnect()
235 	if (vmbus_connection.int_page) {  in vmbus_disconnect()
236 		free_pages((unsigned long)vmbus_connection.int_page, 0);  in vmbus_disconnect()
237 		vmbus_connection.int_page = NULL;  in vmbus_disconnect()
240 	free_pages((unsigned long)vmbus_connection.monitor_pages[0], 0);  in vmbus_disconnect()
241 	free_pages((unsigned long)vmbus_connection.monitor_pages[1], 0);  in vmbus_disconnect()
242 	vmbus_connection.monitor_pages[0] = NULL;  in vmbus_disconnect()
243 	vmbus_connection.monitor_pages[1] = NULL;  in vmbus_disconnect()
281 	spin_lock_irqsave(&vmbus_connection.channel_lock, flags);  in relid2channel()
282 	list_for_each_entry(channel, &vmbus_connection.chn_list, listentry) {  in relid2channel()
300 	spin_unlock_irqrestore(&vmbus_connection.channel_lock, flags);  in relid2channel()
377 		recv_int_page = vmbus_connection.recv_int_page;  in vmbus_on_event()
475 			(unsigned long *)vmbus_connection.send_int_page +  in vmbus_set_event()