1 /* 2 * Interfaces for vfio-ccw 3 * 4 * Copyright IBM Corp. 2017 5 * 6 * Author(s): Dong Jia Shi <bjsdjshi@linux.vnet.ibm.com> 7 */ 8 9 #ifndef _VFIO_CCW_H_ 10 #define _VFIO_CCW_H_ 11 12 #include <linux/types.h> 13 14 struct ccw_io_region { 15 #define ORB_AREA_SIZE 12 16 __u8 orb_area[ORB_AREA_SIZE]; 17 #define SCSW_AREA_SIZE 12 18 __u8 scsw_area[SCSW_AREA_SIZE]; 19 #define IRB_AREA_SIZE 96 20 __u8 irb_area[IRB_AREA_SIZE]; 21 __u32 ret_code; 22 } __attribute__((packed)); 23 24 #endif 25