hv_pkt_iter_first
desc = hv_pkt_iter_first(channel);
EXPORT_SYMBOL_GPL(hv_pkt_iter_first);
return hv_pkt_iter_first(channel);
nvchan->desc = hv_pkt_iter_first(channel);
hv_pkt_iter_first(struct vmbus_channel *channel);
for (pkt = hv_pkt_iter_first(channel); pkt; \
hvs->recv_desc = hv_pkt_iter_first(hvs->chan);
hvs->recv_desc = hv_pkt_iter_first(hvs->chan);