SKD_REQ_STATE_BUSY
skspcl->req.state = SKD_REQ_STATE_BUSY;
ASSERT(skspcl->req.state == SKD_REQ_STATE_BUSY);
if (skreq->state == SKD_REQ_STATE_BUSY) {
case SKD_REQ_STATE_BUSY: return ("BUSY");
skreq->state = SKD_REQ_STATE_BUSY;