vmbus_chan_xact_wait
const void *vmbus_chan_xact_wait(const struct vmbus_channel *chan,
resp = vmbus_chan_xact_wait(sc->hs_chan, xact, &resplen, true);
resp = vmbus_chan_xact_wait(sc->hs_chan, xact, &resplen, true);
hdr = vmbus_chan_xact_wait(sc->hn_prichan, xact, &resplen,
return (vmbus_chan_xact_wait(sc->hn_prichan, xact, comp_len,