vmbus_cmd
if (vmbus_cmd(sc, &hdr, sizeof(hdr), &rsp, sizeof(rsp),
rv = vmbus_cmd(sc, &cmd, sizeof(cmd), NULL, 0,
rv = vmbus_cmd(sc, &cmd, sizeof(cmd), &rsp, sizeof(rsp), HCF_NOSLEEP);
rv = vmbus_cmd(sc, &cmd, sizeof(cmd), NULL, 0,
rv = vmbus_cmd(sc, cmd, cmdlen, NULL, 0,
rv = vmbus_cmd(sc, &cmd, sizeof(cmd), &rsp, sizeof(rsp), HCF_NOSLEEP);
rv = vmbus_cmd(sc, &cmd, sizeof(cmd), &rsp, sizeof(rsp),
static int vmbus_cmd(struct vmbus_softc *, void *, size_t, void *, size_t,