SD_READ_KEYS
ASSERT((usr_cmd == SD_READ_KEYS) || (usr_cmd == SD_READ_RESV));
rval = sd_send_scsi_PERSISTENT_RESERVE_IN(ssc, SD_READ_KEYS,
status = sd_send_scsi_PERSISTENT_RESERVE_IN(ssc, SD_READ_KEYS, 0, NULL);
vd_scsi = vdc_scsi_alloc_persistent_in(SD_READ_KEYS,