22 static SubChannelId blk_schid = { .one = 1 };  variable
45         lowcore->subchannel_id = blk_schid.sch_id;  in write_subsystem_identification()
46         lowcore->subchannel_nr = blk_schid.sch_no;  in write_subsystem_identification()
75     blk_schid.sch_no = sch_no;  in is_dev_possibly_bootable()
76     r = stsch_err(blk_schid, &schib);  in is_dev_possibly_bootable()
84     enable_subchannel(blk_schid);  in is_dev_possibly_bootable()
85     cutype = cu_type(blk_schid);  in is_dev_possibly_bootable()
94     is_virtio = virtio_is_supported(blk_schid);  in is_dev_possibly_bootable()
223         blk_schid.ssid = iplb.ccw.ssid & 0x3;  in find_boot_device()
224         debug_print_int("ssid ", blk_schid.ssid);  in find_boot_device()
232         blk_schid.ssid = iplb.scsi.ssid & 0x3;  in find_boot_device()
253         ret = virtio_blk_setup_device(blk_schid);  in virtio_setup()
256         ret = virtio_scsi_setup_device(blk_schid);  in virtio_setup()
276         dasd_ipl(blk_schid, cutype);  in ipl_boot_device()
297         blk_schid.ssid = ssid;  in probe_boot_device()