scsi_reserve_release_unit
scsi_reserve_release_unit(&ccb->csio, 2, NULL, MSG_SIMPLE_Q_TAG,
struct scsi_reserve_release_unit *scsi_cmd;
scsi_cmd = (struct scsi_reserve_release_unit *)&csio->cdb_io.cdb_bytes;
void scsi_reserve_release_unit(struct ccb_scsiio *csio, uint32_t retries,