66 int vmbus_open(struct vmbus_channel *newchannel, u32 send_ringbuffer_size,  in vmbus_open()  argument
77 	spin_lock_irqsave(&newchannel->lock, flags);  in vmbus_open()
78 	if (newchannel->state == CHANNEL_OPEN_STATE) {  in vmbus_open()
79 		newchannel->state = CHANNEL_OPENING_STATE;  in vmbus_open()
81 		spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
84 	spin_unlock_irqrestore(&newchannel->lock, flags);  in vmbus_open()
86 	newchannel->onchannel_callback = onchannelcallback;  in vmbus_open()
87 	newchannel->channel_callback_context = context;  in vmbus_open()
100 	newchannel->ringbuffer_pages = out;  in vmbus_open()
101 	newchannel->ringbuffer_pagecount = (send_ringbuffer_size +  in vmbus_open()
105 		&newchannel->outbound, out, send_ringbuffer_size);  in vmbus_open()
113 		&newchannel->inbound, in, recv_ringbuffer_size);  in vmbus_open()
121 	newchannel->ringbuffer_gpadlhandle = 0;  in vmbus_open()
123 	ret = vmbus_establish_gpadl(newchannel,  in vmbus_open()
124 					 newchannel->outbound.ring_buffer,  in vmbus_open()
127 					 &newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
147 	open_msg->openid = newchannel->offermsg.child_relid;  in vmbus_open()
148 	open_msg->child_relid = newchannel->offermsg.child_relid;  in vmbus_open()
149 	open_msg->ringbuffer_gpadlhandle = newchannel->ringbuffer_gpadlhandle;  in vmbus_open()
152 	open_msg->target_vp = newchannel->target_vp;  in vmbus_open()
190 		newchannel->state = CHANNEL_OPENED_STATE;  in vmbus_open()
201 	vmbus_teardown_gpadl(newchannel, newchannel->ringbuffer_gpadlhandle);  in vmbus_open()
207 	newchannel->state = CHANNEL_OPEN_STATE;  in vmbus_open()