arch/s390/include/asm/compat.h - kernel/msm-4.9 - Gitiles

 #ifndef _ASM_S390X_COMPAT_H
 #define _ASM_S390X_COMPAT_H
 /*
  * Architecture specific compatibility types
  */
 #include <linux/types.h>
 #include <linux/sched.h>
 #include <linux/thread_info.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_BASE		0x00080000UL	/* Always one */
 #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_MASK_USER		0x00003F00UL

 #define PSW32_ADDR_AMODE	0x80000000UL
 #define PSW32_ADDR_INSN		0x7FFFFFFFUL

 #define PSW32_DEFAULT_KEY	(((u32) PAGE_DEFAULT_ACC) << 20)

 #define PSW32_ASC_PRIMARY	0x00000000UL
 #define PSW32_ASC_ACCREG	0x00004000UL
 #define PSW32_ASC_SECONDARY	0x00008000UL
 #define PSW32_ASC_HOME		0x0000C000UL

 extern u32 psw32_user_bits;

 #define COMPAT_USER_HZ		100
 #define COMPAT_UTS_MACHINE	"s390\0\0\0\0"

 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 s64		compat_s64;
 typedef u32		compat_uint_t;
 typedef u32		compat_ulong_t;
 typedef u64		compat_u64;
 typedef u32		compat_uptr_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_flags;
 	s32		f_spare[5];
 };

 #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;

 typedef union compat_sigval {
 	compat_int_t	sival_int;
 	compat_uptr_t	sival_ptr;
 } compat_sigval_t;

 typedef struct compat_siginfo {
 	int	si_signo;
 	int	si_errno;
 	int	si_code;

 	union {
 		int _pad[128/sizeof(int) - 3];

 		/* kill() */
 		struct {
 			pid_t	_pid;	/* sender's pid */
 			uid_t	_uid;	/* sender's uid */
 		} _kill;

 		/* POSIX.1b timers */
 		struct {
 			compat_timer_t _tid;		/* timer id */
 			int _overrun;			/* overrun count */
 			compat_sigval_t _sigval;	/* same as below */
 			int _sys_private;	/* not to be passed to user */
 		} _timer;

 		/* POSIX.1b signals */
 		struct {
 			pid_t			_pid;	/* sender's pid */
 			uid_t			_uid;	/* sender's uid */
 			compat_sigval_t		_sigval;
 		} _rt;

 		/* SIGCHLD */
 		struct {
 			pid_t			_pid;	/* which child */
 			uid_t			_uid;	/* sender's uid */
 			int			_status;/* exit code */
 			compat_clock_t		_utime;
 			compat_clock_t		_stime;
 		} _sigchld;

 		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
 		struct {
 			__u32	_addr;	/* faulting insn/memory ref. - pointer */
 		} _sigfault;

 		/* SIGPOLL */
 		struct {
 			int	_band;	/* POLL_IN, POLL_OUT, POLL_MSG */
 			int	_fd;
 		} _sigpoll;
 	} _sifields;
 } compat_siginfo_t;

 /*
  * How these fields are to be accessed.
  */
 #define si_pid		_sifields._kill._pid
 #define si_uid		_sifields._kill._uid
 #define si_status	_sifields._sigchld._status
 #define si_utime	_sifields._sigchld._utime
 #define si_stime	_sifields._sigchld._stime
 #define si_value	_sifields._rt._sigval
 #define si_int		_sifields._rt._sigval.sival_int
 #define si_ptr		_sifields._rt._sigval.sival_ptr
 #define si_addr		_sifields._sigfault._addr
 #define si_band		_sifields._sigpoll._band
 #define si_fd		_sifields._sigpoll._fd
 #define si_tid		_sifields._timer._tid
 #define si_overrun	_sifields._timer._overrun

 #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 converted them already.
  */

 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;
 }

 #ifdef CONFIG_COMPAT

 static inline int is_compat_task(void)
 {
 	return is_32bit_task();
 }

 #endif

 static inline void __user *arch_compat_alloc_user_space(long len)
 {
 	unsigned long stack;

 	stack = KSTK_ESP(current);
 	if (is_compat_task())
 		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 */
	#ifndef _ASM_S390X_COMPAT_H
	#define _ASM_S390X_COMPAT_H
	/*
	* Architecture specific compatibility types
	*/
	#include <linux/types.h>
	#include <linux/sched.h>
	#include <linux/thread_info.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_BASE 0x00080000UL /* Always one */
	#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_MASK_USER 0x00003F00UL

	#define PSW32_ADDR_AMODE 0x80000000UL
	#define PSW32_ADDR_INSN 0x7FFFFFFFUL

	#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20)

	#define PSW32_ASC_PRIMARY 0x00000000UL
	#define PSW32_ASC_ACCREG 0x00004000UL
	#define PSW32_ASC_SECONDARY 0x00008000UL
	#define PSW32_ASC_HOME 0x0000C000UL

	extern u32 psw32_user_bits;

	#define COMPAT_USER_HZ 100
	#define COMPAT_UTS_MACHINE "s390\0\0\0\0"

	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 s64 compat_s64;
	typedef u32 compat_uint_t;
	typedef u32 compat_ulong_t;
	typedef u64 compat_u64;
	typedef u32 compat_uptr_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_flags;
	s32 f_spare[5];
	};

	#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;

	typedef union compat_sigval {
	compat_int_t sival_int;
	compat_uptr_t sival_ptr;
	} compat_sigval_t;

	typedef struct compat_siginfo {
	int si_signo;
	int si_errno;
	int si_code;

	union {
	int _pad[128/sizeof(int) - 3];

	/* kill() */
	struct {
	pid_t _pid; /* sender's pid */
	uid_t _uid; /* sender's uid */
	} _kill;

	/* POSIX.1b timers */
	struct {
	compat_timer_t _tid; /* timer id */
	int _overrun; /* overrun count */
	compat_sigval_t _sigval; /* same as below */
	int _sys_private; /* not to be passed to user */
	} _timer;

	/* POSIX.1b signals */
	struct {
	pid_t _pid; /* sender's pid */
	uid_t _uid; /* sender's uid */
	compat_sigval_t _sigval;
	} _rt;

	/* SIGCHLD */
	struct {
	pid_t _pid; /* which child */
	uid_t _uid; /* sender's uid */
	int _status;/* exit code */
	compat_clock_t _utime;
	compat_clock_t _stime;
	} _sigchld;

	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
	struct {
	__u32 _addr; /* faulting insn/memory ref. - pointer */
	} _sigfault;

	/* SIGPOLL */
	struct {
	int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	int _fd;
	} _sigpoll;
	} _sifields;
	} compat_siginfo_t;

	/*
	* How these fields are to be accessed.
	*/
	#define si_pid _sifields._kill._pid
	#define si_uid _sifields._kill._uid
	#define si_status _sifields._sigchld._status
	#define si_utime _sifields._sigchld._utime
	#define si_stime _sifields._sigchld._stime
	#define si_value _sifields._rt._sigval
	#define si_int _sifields._rt._sigval.sival_int
	#define si_ptr _sifields._rt._sigval.sival_ptr
	#define si_addr _sifields._sigfault._addr
	#define si_band _sifields._sigpoll._band
	#define si_fd _sifields._sigpoll._fd
	#define si_tid _sifields._timer._tid
	#define si_overrun _sifields._timer._overrun

	#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 converted them already.
	*/

	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;
	}

	#ifdef CONFIG_COMPAT

	static inline int is_compat_task(void)
	{
	return is_32bit_task();
	}

	#endif

	static inline void __user *arch_compat_alloc_user_space(long len)
	{
	unsigned long stack;

	stack = KSTK_ESP(current);
	if (is_compat_task())
	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 */