66 int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,  in vmbus_open()  argument
78 	spin_lock_irqsave(&newchannel->lock, flags);  in vmbus_open()
79 	if (newchannel->state == CHANNEL_OPEN_STATE) {  in vmbus_open()
80 		newchannel->state = CHANNEL_OPENING_STATE;  in vmbus_open()
82 		spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
85 	spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
87 	newchannel->onchannel_callback = onchannelcallback;  in vmbus_open()
88 	newchannel->channel_callback_context = context;  in vmbus_open()
91 	page = alloc_pages_node(cpu_to_node(newchannel->target_cpu),  in vmbus_open()
110 	newchannel->ringbuffer_pages = out;  in vmbus_open()
111 	newchannel->ringbuffer_pagecount = (send_ringbuffer_size +  in vmbus_open()
115 		&newchannel->outbound, out, send_ringbuffer_size);  in vmbus_open()
123 		&newchannel->inbound, in, recv_ringbuffer_size);  in vmbus_open()
131 	newchannel->ringbuffer_gpadlhandle = 0;  in vmbus_open()
133 	ret = vmbus_establish_gpadl(newchannel,  in vmbus_open()
134 					 newchannel->outbound.ring_buffer,  in vmbus_open()
137 					 &newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
157 	open_msg->openid = newchannel->offermsg.child_relid;  in vmbus_open()
158 	open_msg->child_relid = newchannel->offermsg.child_relid;  in vmbus_open()
159 	open_msg->ringbuffer_gpadlhandle = newchannel->ringbuffer_gpadlhandle;  in vmbus_open()
162 	open_msg->target_vp = newchannel->target_vp;  in vmbus_open()
200 	newchannel->state = CHANNEL_OPENED_STATE;  in vmbus_open()
210 	vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
216 	newchannel->state = CHANNEL_OPEN_STATE;  in vmbus_open()