ATA_S_PUT
KKASSERT(ccb->ccb_xa.state == ATA_S_PUT);
KKASSERT(ccb->ccb_xa.state != ATA_S_PUT);
ccb->ccb_xa.state = ATA_S_PUT;
KKASSERT(xa->state != ATA_S_ONCHIP && xa->state != ATA_S_PUT);
KKASSERT(ccb->ccb_xa.state == ATA_S_PUT);
ccb->ccb_xa.state = ATA_S_PUT;