85 int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,  in vmbus_open()  argument
99 	spin_lock_irqsave(&newchannel->lock, flags);  in vmbus_open()
100 	if (newchannel->state == CHANNEL_OPEN_STATE) {  in vmbus_open()
101 		newchannel->state = CHANNEL_OPENING_STATE;  in vmbus_open()
103 		spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
106 	spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
108 	newchannel->onchannel_callback = onchannelcallback;  in vmbus_open()
109 	newchannel->channel_callback_context = context;  in vmbus_open()
112 	page = alloc_pages_node(cpu_to_node(newchannel->target_cpu),  in vmbus_open()
127 	newchannel->ringbuffer_pages = page_address(page);  in vmbus_open()
128 	newchannel->ringbuffer_pagecount = (send_ringbuffer_size +  in vmbus_open()
131 	ret = hv_ringbuffer_init(&newchannel->outbound, page,  in vmbus_open()
139 	ret = hv_ringbuffer_init(&newchannel->inbound,  in vmbus_open()
149 	newchannel->ringbuffer_gpadlhandle = 0;  in vmbus_open()
151 	ret = vmbus_establish_gpadl(newchannel,  in vmbus_open()
155 				    &newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
172 	open_info->waiting_channel = newchannel;  in vmbus_open()
176 	open_msg->openid = newchannel->offermsg.child_relid;  in vmbus_open()
177 	open_msg->child_relid = newchannel->offermsg.child_relid;  in vmbus_open()
178 	open_msg->ringbuffer_gpadlhandle = newchannel->ringbuffer_gpadlhandle;  in vmbus_open()
181 	open_msg->target_vp = newchannel->target_vp;  in vmbus_open()
196 	if (newchannel->rescind) {  in vmbus_open()
217 	if (newchannel->rescind) {  in vmbus_open()
227 	newchannel->state = CHANNEL_OPENED_STATE;  in vmbus_open()
237 	vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
240 	hv_ringbuffer_cleanup(&newchannel->outbound);  in vmbus_open()
241 	hv_ringbuffer_cleanup(&newchannel->inbound);  in vmbus_open()
245 	newchannel->state = CHANNEL_OPEN_STATE;  in vmbus_open()