linux-headers/linux/vfio_ccw.h

   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