[linux-2.6-block.git] / arch / parisc / include / asm / compat.h

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

#define COMPAT_USER_HZ 		100
#define COMPAT_UTS_MACHINE	"parisc\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 u32	__compat_uid_t;
typedef u32	__compat_gid_t;
typedef u32	__compat_uid32_t;
typedef u32	__compat_gid32_t;
typedef u16	compat_mode_t;
typedef u32	compat_ino_t;
typedef u32	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 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;	/* dev_t is 32 bits on parisc */
	compat_ino_t		st_ino;	/* 32 bits */
	compat_mode_t		st_mode;	/* 16 bits */
	compat_nlink_t  	st_nlink;	/* 16 bits */
	u16			st_reserved1;	/* old st_uid */
	u16			st_reserved2;	/* old st_gid */
	compat_dev_t		st_rdev;
	compat_off_t		st_size;
	compat_time_t		st_atime;
	u32			st_atime_nsec;
	compat_time_t		st_mtime;
	u32			st_mtime_nsec;
	compat_time_t		st_ctime;
	u32			st_ctime_nsec;
	s32			st_blksize;
	s32			st_blocks;
	u32			__unused1;	/* ACL stuff */
	compat_dev_t		__unused2;	/* network */
	compat_ino_t		__unused3;	/* network */
	u32			__unused4;	/* cnodes */
	u16			__unused5;	/* netsite */
	short			st_fstype;
	compat_dev_t		st_realdev;
	u16			st_basemode;
	u16			st_spareshort;
	__compat_uid32_t	st_uid;
	__compat_gid32_t	st_gid;
	u32			st_spare4[3];
};

struct compat_flock {
	short			l_type;
	short			l_whence;
	compat_off_t		l_start;
	compat_off_t		l_len;
	compat_pid_t		l_pid;
};

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;
	__kernel_fsid_t	f_fsid;
	s32		f_namelen;
	s32		f_frsize;
	s32		f_spare[5];
};

struct compat_sigcontext {
	compat_int_t sc_flags;
	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	u64 sc_fr[32];
	compat_int_t sc_iasq[2];
	compat_int_t sc_iaoq[2];
	compat_int_t sc_sar; /* cr11 */
};

#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;
}

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

static __inline__ void __user *arch_compat_alloc_user_space(long len)
{
	struct pt_regs *regs = &current->thread.regs;
	return (void __user *)regs->gr[30];
}

static inline int __is_compat_task(struct task_struct *t)
{
	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
}

static inline int is_compat_task(void)
{
	return __is_compat_task(current);
}

#endif /* _ASM_PARISC_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_PARISC_COMPAT_H
	2	#define _ASM_PARISC_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
	6	#include <linux/types.h>
	7	#include <linux/sched.h>
df570b9c	8	#include <linux/thread_info.h>
1da177e4	9
e28cbf22 CH	10	#define COMPAT_USER_HZ 100
e28cbf22 CH	11	#define COMPAT_UTS_MACHINE "parisc\0\0"
1da177e4 LT	12
	13	typedef u32 compat_size_t;
	14	typedef s32 compat_ssize_t;
	15	typedef s32 compat_time_t;
	16	typedef s32 compat_clock_t;
	17	typedef s32 compat_pid_t;
202e5979 SR	18	typedef u32 __compat_uid_t;
	19	typedef u32 __compat_gid_t;
	20	typedef u32 __compat_uid32_t;
	21	typedef u32 __compat_gid32_t;
1da177e4 LT	22	typedef u16 compat_mode_t;
	23	typedef u32 compat_ino_t;
	24	typedef u32 compat_dev_t;
	25	typedef s32 compat_off_t;
	26	typedef s64 compat_loff_t;
	27	typedef u16 compat_nlink_t;
	28	typedef u16 compat_ipc_pid_t;
	29	typedef s32 compat_daddr_t;
	30	typedef u32 compat_caddr_t;
0d77e5a2	31	typedef s32 compat_timer_t;
1da177e4 LT	32
	33	typedef s32 compat_int_t;
	34	typedef s32 compat_long_t;
4b777587	35	typedef s64 compat_s64;
1da177e4 LT	36	typedef u32 compat_uint_t;
1da177e4 LT	37	typedef u32 compat_ulong_t;
4b777587	38	typedef u64 compat_u64;
1da177e4 LT	39
	40	struct compat_timespec {
	41	compat_time_t tv_sec;
	42	s32 tv_nsec;
	43	};
	44
	45	struct compat_timeval {
	46	compat_time_t tv_sec;
	47	s32 tv_usec;
	48	};
	49
	50	struct compat_stat {
	51	compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
	52	compat_ino_t st_ino; /* 32 bits */
	53	compat_mode_t st_mode; /* 16 bits */
	54	compat_nlink_t st_nlink; /* 16 bits */
	55	u16 st_reserved1; /* old st_uid */
	56	u16 st_reserved2; /* old st_gid */
	57	compat_dev_t st_rdev;
	58	compat_off_t st_size;
	59	compat_time_t st_atime;
	60	u32 st_atime_nsec;
	61	compat_time_t st_mtime;
	62	u32 st_mtime_nsec;
	63	compat_time_t st_ctime;
	64	u32 st_ctime_nsec;
	65	s32 st_blksize;
	66	s32 st_blocks;
	67	u32 __unused1; /* ACL stuff */
	68	compat_dev_t __unused2; /* network */
	69	compat_ino_t __unused3; /* network */
	70	u32 __unused4; /* cnodes */
	71	u16 __unused5; /* netsite */
	72	short st_fstype;
	73	compat_dev_t st_realdev;
	74	u16 st_basemode;
	75	u16 st_spareshort;
202e5979 SR	76	__compat_uid32_t st_uid;
202e5979 SR	77	__compat_gid32_t st_gid;
1da177e4 LT	78	u32 st_spare4[3];
	79	};
	80
	81	struct compat_flock {
	82	short l_type;
	83	short l_whence;
	84	compat_off_t l_start;
	85	compat_off_t l_len;
	86	compat_pid_t l_pid;
	87	};
	88
	89	struct compat_flock64 {
	90	short l_type;
	91	short l_whence;
	92	compat_loff_t l_start;
	93	compat_loff_t l_len;
	94	compat_pid_t l_pid;
	95	};
	96
	97	struct compat_statfs {
	98	s32 f_type;
	99	s32 f_bsize;
	100	s32 f_blocks;
	101	s32 f_bfree;
	102	s32 f_bavail;
	103	s32 f_files;
	104	s32 f_ffree;
	105	__kernel_fsid_t f_fsid;
	106	s32 f_namelen;
	107	s32 f_frsize;
	108	s32 f_spare[5];
	109	};
	110
	111	struct compat_sigcontext {
	112	compat_int_t sc_flags;
	113	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	114	u64 sc_fr[32];
	115	compat_int_t sc_iasq[2];
	116	compat_int_t sc_iaoq[2];
	117	compat_int_t sc_sar; /* cr11 */
	118	};
	119
	120	#define COMPAT_RLIM_INFINITY 0xffffffff
	121
	122	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	123
	124	#define _COMPAT_NSIG 64
	125	#define _COMPAT_NSIG_BPW 32
	126
	127	typedef u32 compat_sigset_word;
	128
	129	#define COMPAT_OFF_T_MAX 0x7fffffff
	130	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	131
	132	/*
	133	* A pointer passed in from user mode. This should not
	134	* be used for syscall parameters, just declare them
	135	* as pointers because the syscall entry code will have
8b3de0df	136	* appropriately converted them already.
1da177e4 LT	137	*/
	138	typedef u32 compat_uptr_t;
	139
	140	static inline void __user *compat_ptr(compat_uptr_t uptr)
	141	{
	142	return (void __user *)(unsigned long)uptr;
	143	}
	144
213b63b7 IM	145	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	146	{
	147	return (u32)(unsigned long)uptr;
	148	}
	149
c41d68a5	150	static __inline__ void __user *arch_compat_alloc_user_space(long len)
1da177e4 LT	151	{
	152	struct pt_regs *regs = &current->thread.regs;
	153	return (void __user *)regs->gr[30];
	154	}
	155
a3ea84fa KM	156	static inline int __is_compat_task(struct task_struct *t)
a3ea84fa KM	157	{
c9f4f06d	158	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
a3ea84fa KM	159	}
	160
	161	static inline int is_compat_task(void)
	162	{
	163	return __is_compat_task(current);
	164	}
	165
1da177e4	166	#endif /* _ASM_PARISC_COMPAT_H */