vmbus_chan_recv
int vmbus_chan_recv(struct vmbus_channel *chan, void *data, int *dlen,
ret = vmbus_chan_recv(channel, packet, &bytes_recvd, &request_id);
ret = vmbus_chan_recv(channel, packet, &bytes_recvd,
ret = vmbus_chan_recv(channel, kvp_buf, &recvlen, &requestid);
ret = vmbus_chan_recv(channel, kvp_buf, &recvlen, &requestid);
ret = vmbus_chan_recv(channel, vss_buf, &recvlen, &requestid);
ret = vmbus_chan_recv(channel, vss_buf, &recvlen, &requestid);
error = vmbus_chan_recv(chan, data, &dlen, &xactid);
error = vmbus_chan_recv(chan, data, &dlen, &xactid);
error = vmbus_chan_recv(chan, data, &dlen, &xactid);