#ifndef _ASM_S390X_COMPAT_H
  #define _ASM_S390X_COMPAT_H
  /*
   * Architecture specific compatibility types
   */
  #include <linux/types.h>
  #include <linux/sched.h>

  #define PSW32_MASK_PER		0x40000000UL
  #define PSW32_MASK_DAT		0x04000000UL
  #define PSW32_MASK_IO		0x02000000UL
  #define PSW32_MASK_EXT		0x01000000UL
  #define PSW32_MASK_KEY		0x00F00000UL
  #define PSW32_MASK_MCHECK	0x00040000UL
  #define PSW32_MASK_WAIT		0x00020000UL
  #define PSW32_MASK_PSTATE	0x00010000UL
  #define PSW32_MASK_ASC		0x0000C000UL
  #define PSW32_MASK_CC		0x00003000UL
  #define PSW32_MASK_PM		0x00000f00UL
  
  #define PSW32_ADDR_AMODE31	0x80000000UL
  #define PSW32_ADDR_INSN		0x7FFFFFFFUL
  
  #define PSW32_BASE_BITS		0x00080000UL
  
  #define PSW32_ASC_PRIMARY	0x00000000UL
  #define PSW32_ASC_ACCREG	0x00004000UL
  #define PSW32_ASC_SECONDARY	0x00008000UL
  #define PSW32_ASC_HOME		0x0000C000UL
  
  #define PSW32_MASK_MERGE(CURRENT,NEW) \
  	(((CURRENT) & ~(PSW32_MASK_CC|PSW32_MASK_PM)) | \
  	 ((NEW) & (PSW32_MASK_CC|PSW32_MASK_PM)))
  
  extern long psw32_user_bits;

  #define COMPAT_USER_HZ	100
  
  typedef u32		compat_size_t;
  typedef s32		compat_ssize_t;
  typedef s32		compat_time_t;
  typedef s32		compat_clock_t;
  typedef s32		compat_pid_t;

  typedef u16		__compat_uid_t;
  typedef u16		__compat_gid_t;
  typedef u32		__compat_uid32_t;
  typedef u32		__compat_gid32_t;

  typedef u16		compat_mode_t;
  typedef u32		compat_ino_t;
  typedef u16		compat_dev_t;
  typedef s32		compat_off_t;
  typedef s64		compat_loff_t;
  typedef u16		compat_nlink_t;
  typedef u16		compat_ipc_pid_t;
  typedef s32		compat_daddr_t;
  typedef u32		compat_caddr_t;
  typedef __kernel_fsid_t	compat_fsid_t;
  typedef s32		compat_key_t;
  typedef s32		compat_timer_t;
  
  typedef s32		compat_int_t;
  typedef s32		compat_long_t;
  typedef u32		compat_uint_t;
  typedef u32		compat_ulong_t;
  
  struct compat_timespec {
  	compat_time_t	tv_sec;
  	s32		tv_nsec;
  };
  
  struct compat_timeval {
  	compat_time_t	tv_sec;
  	s32		tv_usec;
  };
  
  struct compat_stat {
  	compat_dev_t	st_dev;
  	u16		__pad1;
  	compat_ino_t	st_ino;
  	compat_mode_t	st_mode;
  	compat_nlink_t	st_nlink;

  	__compat_uid_t	st_uid;
  	__compat_gid_t	st_gid;

  	compat_dev_t	st_rdev;
  	u16		__pad2;
  	u32		st_size;
  	u32		st_blksize;
  	u32		st_blocks;
  	u32		st_atime;
  	u32		st_atime_nsec;
  	u32		st_mtime;
  	u32		st_mtime_nsec;
  	u32		st_ctime;
  	u32		st_ctime_nsec;
  	u32		__unused4;
  	u32		__unused5;
  };
  
  struct compat_flock {
  	short		l_type;
  	short		l_whence;
  	compat_off_t	l_start;
  	compat_off_t	l_len;
  	compat_pid_t	l_pid;
  };
  
  #define F_GETLK64       12
  #define F_SETLK64       13
  #define F_SETLKW64      14    
  
  struct compat_flock64 {
  	short		l_type;
  	short		l_whence;
  	compat_loff_t	l_start;
  	compat_loff_t	l_len;
  	compat_pid_t	l_pid;
  };
  
  struct compat_statfs {
  	s32		f_type;
  	s32		f_bsize;
  	s32		f_blocks;
  	s32		f_bfree;
  	s32		f_bavail;
  	s32		f_files;
  	s32		f_ffree;
  	compat_fsid_t	f_fsid;
  	s32		f_namelen;
  	s32		f_frsize;
  	s32		f_spare[6];
  };
  
  #define COMPAT_RLIM_OLD_INFINITY	0x7fffffff
  #define COMPAT_RLIM_INFINITY		0xffffffff
  
  typedef u32		compat_old_sigset_t;	/* at least 32 bits */
  
  #define _COMPAT_NSIG		64
  #define _COMPAT_NSIG_BPW	32
  
  typedef u32		compat_sigset_word;
  
  #define COMPAT_OFF_T_MAX	0x7fffffff
  #define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL
  
  /*
   * A pointer passed in from user mode. This should not
   * be used for syscall parameters, just declare them
   * as pointers because the syscall entry code will have
   * appropriately comverted them already.
   */
  typedef	u32		compat_uptr_t;
  
  static inline void __user *compat_ptr(compat_uptr_t uptr)
  {
  	return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
  }

  static inline compat_uptr_t ptr_to_compat(void __user *uptr)
  {
  	return (u32)(unsigned long)uptr;
  }

  static inline void __user *compat_alloc_user_space(long len)
  {
  	unsigned long stack;
  
  	stack = KSTK_ESP(current);
  	if (test_thread_flag(TIF_31BIT))
  		stack &= 0x7fffffffUL;
  	return (void __user *) (stack - len);
  }
  
  struct compat_ipc64_perm {
  	compat_key_t key;

  	__compat_uid32_t uid;
  	__compat_gid32_t gid;
  	__compat_uid32_t cuid;
  	__compat_gid32_t cgid;

  	compat_mode_t mode;
  	unsigned short __pad1;
  	unsigned short seq;
  	unsigned short __pad2;
  	unsigned int __unused1;
  	unsigned int __unused2;
  };
  
  struct compat_semid64_ds {
  	struct compat_ipc64_perm sem_perm;
  	compat_time_t  sem_otime;
  	compat_ulong_t __pad1;
  	compat_time_t  sem_ctime;
  	compat_ulong_t __pad2;
  	compat_ulong_t sem_nsems;
  	compat_ulong_t __unused1;
  	compat_ulong_t __unused2;
  };
  
  struct compat_msqid64_ds {
  	struct compat_ipc64_perm msg_perm;
  	compat_time_t   msg_stime;
  	compat_ulong_t __pad1;
  	compat_time_t   msg_rtime;
  	compat_ulong_t __pad2;
  	compat_time_t   msg_ctime;
  	compat_ulong_t __pad3;
  	compat_ulong_t msg_cbytes;
  	compat_ulong_t msg_qnum;
  	compat_ulong_t msg_qbytes;
  	compat_pid_t   msg_lspid;
  	compat_pid_t   msg_lrpid;
  	compat_ulong_t __unused1;
  	compat_ulong_t __unused2;
  };
  
  struct compat_shmid64_ds {
  	struct compat_ipc64_perm shm_perm;
  	compat_size_t  shm_segsz;
  	compat_time_t  shm_atime;
  	compat_ulong_t __pad1;
  	compat_time_t  shm_dtime;
  	compat_ulong_t __pad2;
  	compat_time_t  shm_ctime;
  	compat_ulong_t __pad3;
  	compat_pid_t   shm_cpid;
  	compat_pid_t   shm_lpid;
  	compat_ulong_t shm_nattch;
  	compat_ulong_t __unused1;
  	compat_ulong_t __unused2;
  };
  #endif /* _ASM_S390X_COMPAT_H */