[deliverable/linux.git] / arch / s390 / include / asm / 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;

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;

#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.
 */
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;
}

#ifdef CONFIG_COMPAT

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

#else

static inline int is_compat_task(void)
{
	return 0;
}

#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 */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_S390X_COMPAT_H
	2	#define _ASM_S390X_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
	6	#include <linux/types.h>
	7	#include <linux/sched.h>
7757591a	8	#include <linux/thread_info.h>
1da177e4	9
c1821c2e GS	10	#define PSW32_MASK_PER 0x40000000UL
	11	#define PSW32_MASK_DAT 0x04000000UL
	12	#define PSW32_MASK_IO 0x02000000UL
	13	#define PSW32_MASK_EXT 0x01000000UL
	14	#define PSW32_MASK_KEY 0x00F00000UL
b50511e4	15	#define PSW32_MASK_BASE 0x00080000UL /* Always one */
c1821c2e GS	16	#define PSW32_MASK_MCHECK 0x00040000UL
	17	#define PSW32_MASK_WAIT 0x00020000UL
	18	#define PSW32_MASK_PSTATE 0x00010000UL
	19	#define PSW32_MASK_ASC 0x0000C000UL
	20	#define PSW32_MASK_CC 0x00003000UL
	21	#define PSW32_MASK_PM 0x00000f00UL
	22
b50511e4 MS	23	#define PSW32_MASK_USER 0x00003F00UL
	24
	25	#define PSW32_ADDR_AMODE 0x80000000UL
c1821c2e GS	26	#define PSW32_ADDR_INSN 0x7FFFFFFFUL
c1821c2e GS	27
b50511e4	28	#define PSW32_DEFAULT_KEY (((u32) PAGE_DEFAULT_ACC) << 20)
c1821c2e GS	29
	30	#define PSW32_ASC_PRIMARY 0x00000000UL
	31	#define PSW32_ASC_ACCREG 0x00004000UL
	32	#define PSW32_ASC_SECONDARY 0x00008000UL
	33	#define PSW32_ASC_HOME 0x0000C000UL
	34
b50511e4	35	extern u32 psw32_user_bits;
c1821c2e	36
e28cbf22 CH	37	#define COMPAT_USER_HZ 100
e28cbf22 CH	38	#define COMPAT_UTS_MACHINE "s390\0\0\0\0"
1da177e4 LT	39
	40	typedef u32 compat_size_t;
	41	typedef s32 compat_ssize_t;
	42	typedef s32 compat_time_t;
	43	typedef s32 compat_clock_t;
	44	typedef s32 compat_pid_t;
202e5979 SR	45	typedef u16 __compat_uid_t;
	46	typedef u16 __compat_gid_t;
	47	typedef u32 __compat_uid32_t;
	48	typedef u32 __compat_gid32_t;
1da177e4 LT	49	typedef u16 compat_mode_t;
	50	typedef u32 compat_ino_t;
	51	typedef u16 compat_dev_t;
	52	typedef s32 compat_off_t;
	53	typedef s64 compat_loff_t;
	54	typedef u16 compat_nlink_t;
	55	typedef u16 compat_ipc_pid_t;
	56	typedef s32 compat_daddr_t;
	57	typedef u32 compat_caddr_t;
	58	typedef __kernel_fsid_t compat_fsid_t;
	59	typedef s32 compat_key_t;
	60	typedef s32 compat_timer_t;
	61
	62	typedef s32 compat_int_t;
	63	typedef s32 compat_long_t;
4b777587	64	typedef s64 compat_s64;
1da177e4 LT	65	typedef u32 compat_uint_t;
1da177e4 LT	66	typedef u32 compat_ulong_t;
4b777587	67	typedef u64 compat_u64;
1da177e4 LT	68
	69	struct compat_timespec {
	70	compat_time_t tv_sec;
	71	s32 tv_nsec;
	72	};
	73
	74	struct compat_timeval {
	75	compat_time_t tv_sec;
	76	s32 tv_usec;
	77	};
	78
	79	struct compat_stat {
	80	compat_dev_t st_dev;
	81	u16 __pad1;
	82	compat_ino_t st_ino;
	83	compat_mode_t st_mode;
	84	compat_nlink_t st_nlink;
202e5979 SR	85	__compat_uid_t st_uid;
202e5979 SR	86	__compat_gid_t st_gid;
1da177e4 LT	87	compat_dev_t st_rdev;
	88	u16 __pad2;
	89	u32 st_size;
	90	u32 st_blksize;
	91	u32 st_blocks;
	92	u32 st_atime;
	93	u32 st_atime_nsec;
	94	u32 st_mtime;
	95	u32 st_mtime_nsec;
	96	u32 st_ctime;
	97	u32 st_ctime_nsec;
	98	u32 __unused4;
	99	u32 __unused5;
	100	};
	101
	102	struct compat_flock {
	103	short l_type;
	104	short l_whence;
	105	compat_off_t l_start;
	106	compat_off_t l_len;
	107	compat_pid_t l_pid;
	108	};
	109
	110	#define F_GETLK64 12
	111	#define F_SETLK64 13
	112	#define F_SETLKW64 14
	113
	114	struct compat_flock64 {
	115	short l_type;
	116	short l_whence;
	117	compat_loff_t l_start;
	118	compat_loff_t l_len;
	119	compat_pid_t l_pid;
	120	};
	121
	122	struct compat_statfs {
	123	s32 f_type;
	124	s32 f_bsize;
	125	s32 f_blocks;
	126	s32 f_bfree;
	127	s32 f_bavail;
	128	s32 f_files;
	129	s32 f_ffree;
	130	compat_fsid_t f_fsid;
	131	s32 f_namelen;
	132	s32 f_frsize;
1448c721 EB	133	s32 f_flags;
1448c721 EB	134	s32 f_spare[5];
1da177e4 LT	135	};
	136
	137	#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
	138	#define COMPAT_RLIM_INFINITY 0xffffffff
	139
	140	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	141
	142	#define _COMPAT_NSIG 64
	143	#define _COMPAT_NSIG_BPW 32
	144
	145	typedef u32 compat_sigset_word;
	146
	147	#define COMPAT_OFF_T_MAX 0x7fffffff
	148	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	149
	150	/*
	151	* A pointer passed in from user mode. This should not
	152	* be used for syscall parameters, just declare them
	153	* as pointers because the syscall entry code will have
8b3de0df	154	* appropriately converted them already.
1da177e4 LT	155	*/
	156	typedef u32 compat_uptr_t;
	157
	158	static inline void __user *compat_ptr(compat_uptr_t uptr)
	159	{
	160	return (void __user *)(unsigned long)(uptr & 0x7fffffffUL);
	161	}
	162
f267fa9f IM	163	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	164	{
	165	return (u32)(unsigned long)uptr;
	166	}
	167
7757591a HC	168	#ifdef CONFIG_COMPAT
	169
	170	static inline int is_compat_task(void)
	171	{
a05c90f1	172	return is_32bit_task();
7757591a HC	173	}
	174
	175	#else
	176
	177	static inline int is_compat_task(void)
	178	{
	179	return 0;
	180	}
	181
	182	#endif
	183
c41d68a5	184	static inline void __user *arch_compat_alloc_user_space(long len)
1da177e4 LT	185	{
	186	unsigned long stack;
	187
	188	stack = KSTK_ESP(current);
7757591a	189	if (is_compat_task())
1da177e4 LT	190	stack &= 0x7fffffffUL;
	191	return (void __user *) (stack - len);
	192	}
	193
	194	struct compat_ipc64_perm {
	195	compat_key_t key;
202e5979 SR	196	__compat_uid32_t uid;
	197	__compat_gid32_t gid;
	198	__compat_uid32_t cuid;
	199	__compat_gid32_t cgid;
1da177e4 LT	200	compat_mode_t mode;
	201	unsigned short __pad1;
	202	unsigned short seq;
	203	unsigned short __pad2;
	204	unsigned int __unused1;
	205	unsigned int __unused2;
	206	};
	207
	208	struct compat_semid64_ds {
	209	struct compat_ipc64_perm sem_perm;
	210	compat_time_t sem_otime;
	211	compat_ulong_t __pad1;
	212	compat_time_t sem_ctime;
	213	compat_ulong_t __pad2;
	214	compat_ulong_t sem_nsems;
	215	compat_ulong_t __unused1;
	216	compat_ulong_t __unused2;
	217	};
	218
	219	struct compat_msqid64_ds {
	220	struct compat_ipc64_perm msg_perm;
	221	compat_time_t msg_stime;
	222	compat_ulong_t __pad1;
	223	compat_time_t msg_rtime;
	224	compat_ulong_t __pad2;
	225	compat_time_t msg_ctime;
	226	compat_ulong_t __pad3;
	227	compat_ulong_t msg_cbytes;
	228	compat_ulong_t msg_qnum;
	229	compat_ulong_t msg_qbytes;
	230	compat_pid_t msg_lspid;
	231	compat_pid_t msg_lrpid;
	232	compat_ulong_t __unused1;
	233	compat_ulong_t __unused2;
	234	};
	235
	236	struct compat_shmid64_ds {
	237	struct compat_ipc64_perm shm_perm;
	238	compat_size_t shm_segsz;
	239	compat_time_t shm_atime;
	240	compat_ulong_t __pad1;
	241	compat_time_t shm_dtime;
	242	compat_ulong_t __pad2;
	243	compat_time_t shm_ctime;
	244	compat_ulong_t __pad3;
	245	compat_pid_t shm_cpid;
	246	compat_pid_t shm_lpid;
	247	compat_ulong_t shm_nattch;
	248	compat_ulong_t __unused1;
	249	compat_ulong_t __unused2;
	250	};
	251	#endif /* _ASM_S390X_COMPAT_H */