31 	req = RING_GET_REQUEST(&evtchnl->u.req.ring,  in be_stream_prepare_req()
32 			       evtchnl->u.req.ring.req_prod_pvt);  in be_stream_prepare_req()
44 	reinit_completion(&evtchnl->u.req.completion);  in be_stream_do_io()
51 	if (wait_for_completion_timeout(&evtchnl->u.req.completion,  in be_stream_wait_io()
55 	return evtchnl->u.req.resp_status;  in be_stream_wait_io()
65 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_query_hw_param()
78 		*hw_param_resp = evtchnl->u.req.resp.hw_param;  in xen_snd_front_stream_query_hw_param()
80 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_query_hw_param()
93 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_prepare()
111 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_prepare()
120 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_close()
131 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_close()
141 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_write()
154 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_write()
164 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_read()
177 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_read()
187 	mutex_lock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_trigger()
199 	mutex_unlock(&evtchnl->u.req.req_io_lock);  in xen_snd_front_stream_trigger()