atasecurity_notify
atasecurity_notify(ATA_SECURITY_FREEZE_LOCK, NULL);
atasecurity_notify(ATA_SECURITY_UNLOCK, pwd);
atasecurity_notify(ATA_SECURITY_DISABLE_PASSWORD, pwd);
atasecurity_notify(ATA_SECURITY_ERASE_PREPARE, NULL);
atasecurity_notify(ATA_SECURITY_ERASE_UNIT, pwd);
atasecurity_notify(ATA_SECURITY_SET_PASSWORD, pwd);