1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 /* 3 * Interfaces for vfio-ccw 4 * 5 * Copyright IBM Corp. 2017 6 * 7 * Author(s): Dong Jia Shi <bjsdjshi (at) linux.vnet.ibm.com> 8 */ 9 10 #ifndef _VFIO_CCW_H_ 11 #define _VFIO_CCW_H_ 12 13 #include <linux/types.h> 14 15 struct ccw_io_region { 16 #define ORB_AREA_SIZE 12 17 __u8 orb_area[ORB_AREA_SIZE]; 18 #define SCSW_AREA_SIZE 12 19 __u8 scsw_area[SCSW_AREA_SIZE]; 20 #define IRB_AREA_SIZE 96 21 __u8 irb_area[IRB_AREA_SIZE]; 22 __u32 ret_code; 23 } __packed; 24 25 #endif 26
