static bool s390_gen_initial_iplb(S390IPLState *ipl) { DeviceState *dev_st; dev_st = get_boot_device(0); if (dev_st) { VirtioCcwDevice *virtio_ccw_dev = (VirtioCcwDevice *) object_dynamic_cast(OBJECT(qdev_get_parent_bus(dev_st)->parent), TYPE_VIRTIO_CCW_DEVICE); SCSIDevice *sd = (SCSIDevice *) object_dynamic_cast(OBJECT(dev_st), TYPE_SCSI_DEVICE); if (virtio_ccw_dev) { CcwDevice *ccw_dev = CCW_DEVICE(virtio_ccw_dev); ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN); ipl->iplb.blk0_len = cpu_to_be32(S390_IPLB_MIN_CCW_LEN - S390_IPLB_HEADER_LEN); ipl->iplb.pbt = S390_IPL_TYPE_CCW; ipl->iplb.ccw.devno = cpu_to_be16(ccw_dev->sch->devno); ipl->iplb.ccw.ssid = ccw_dev->sch->ssid & 3; return true; } else if (sd) { SCSIBus *bus = scsi_bus_from_device(sd); VirtIOSCSI *vdev = container_of(bus, VirtIOSCSI, bus); VirtIOSCSICcw *scsi_ccw = container_of(vdev, VirtIOSCSICcw, vdev); CcwDevice *ccw_dev = CCW_DEVICE(scsi_ccw); ipl->iplb.len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN); ipl->iplb.blk0_len = cpu_to_be32(S390_IPLB_MIN_QEMU_SCSI_LEN - S390_IPLB_HEADER_LEN); ipl->iplb.pbt = S390_IPL_TYPE_QEMU_SCSI; ipl->iplb.scsi.lun = cpu_to_be32(sd->lun); ipl->iplb.scsi.target = cpu_to_be16(sd->id); ipl->iplb.scsi.channel = cpu_to_be16(sd->channel); ipl->iplb.scsi.devno = cpu_to_be16(ccw_dev->sch->devno); ipl->iplb.scsi.ssid = ccw_dev->sch->ssid & 3; return true; return false;