#ifndef __S390_IPCBUF_H__
  #define __S390_IPCBUF_H__
  
  /*
   * The user_ipc_perm structure for S/390 architecture.
   * Note extra padding because this structure is passed back and forth
   * between kernel and user space.
   *
   * Pad space is left for:
   * - 32-bit mode_t and seq
   * - 2 miscellaneous 32-bit values
   */
  
  struct ipc64_perm
  {
  	__kernel_key_t		key;
  	__kernel_uid32_t	uid;
  	__kernel_gid32_t	gid;
  	__kernel_uid32_t	cuid;
  	__kernel_gid32_t	cgid;
  	__kernel_mode_t		mode;
  	unsigned short		__pad1;
  	unsigned short		seq;
  #ifndef __s390x__
  	unsigned short		__pad2;
  #endif /* ! __s390x__ */
  	unsigned long		__unused1;
  	unsigned long		__unused2;
  };
  
  #endif /* __S390_IPCBUF_H__ */