static int scsi_event_status_media(SCSIDiskState *s, uint8_t *outbuf)
{
    uint8_t event_code, media_status;

    media_status = 0;
    if (s->tray_open) {
        media_status = MS_TRAY_OPEN;
    } else if (blk_is_inserted(s->qdev.conf.blk)) {
        media_status = MS_MEDIA_PRESENT;
    }

    /* Event notification descriptor */
    event_code = MEC_NO_CHANGE;
    if (media_status != MS_TRAY_OPEN) {
        if (s->media_event) {
            event_code = MEC_NEW_MEDIA;
            s->media_event = false;
        } else if (s->eject_request) {
            event_code = MEC_EJECT_REQUESTED;
            s->eject_request = false;
        }
    }

    outbuf[0] = event_code;
    outbuf[1] = media_status;

    /* These fields are reserved, just clear them. */
    outbuf[2] = 0;
    outbuf[3] = 0;
    return 4;
}
Unknown