pci_cfg_sccb 60 drivers/s390/char/sclp_pci.c struct pci_cfg_sccb *sccb; pci_cfg_sccb 66 drivers/s390/char/sclp_pci.c sccb = (struct pci_cfg_sccb *) get_zeroed_page(GFP_KERNEL | GFP_DMA);