func: static void scsi_disk_reset(DeviceState *dev)
  
  {
  
      SCSIDiskState *s = DO_UPCAST(SCSIDiskState, qdev.qdev, dev);
  
      uint64_t nb_sectors;
  
  
  
      scsi_device_purge_requests(&s->qdev, SENSE_CODE(RESET));
  
  
  
      bdrv_get_geometry(s->qdev.conf.bs, &nb_sectors);
  
      nb_sectors /= s->qdev.blocksize / 512;
  
      if (nb_sectors) {
  
          nb_sectors--;
  
      }
  
      s->qdev.max_lba = nb_sectors;
  
      /* reset tray statuses */
  
      s->tray_locked = 0;
  
      s->tray_open = 0;
  
  }
  