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

#ifndef _ASM_COMPAT_H
#define _ASM_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>
#include <asm/page.h>
#include <asm/ptrace.h>

#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_suseconds_t;

typedef s32		compat_pid_t;
typedef s32		__compat_uid_t;
typedef s32		__compat_gid_t;
typedef __compat_uid_t	__compat_uid32_t;
typedef __compat_gid_t	__compat_gid32_t;
typedef u32		compat_mode_t;
typedef u32		compat_ino_t;
typedef u32		compat_dev_t;
typedef s32		compat_off_t;
typedef s64		compat_loff_t;
typedef u32		compat_nlink_t;
typedef s32		compat_ipc_pid_t;
typedef s32		compat_daddr_t;
typedef s32		compat_caddr_t;
typedef struct {
	s32	val[2];
} compat_fsid_t;
typedef s32		compat_timer_t;
typedef s32		compat_key_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;
	s32		st_pad1[3];
	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;
	s32		st_pad2[2];
	compat_off_t	st_size;
	s32		st_pad3;
	compat_time_t	st_atime;
	s32		st_atime_nsec;
	compat_time_t	st_mtime;
	s32		st_mtime_nsec;
	compat_time_t	st_ctime;
	s32		st_ctime_nsec;
	s32		st_blksize;
	s32		st_blocks;
	s32		st_pad4[14];
};

struct compat_flock {
	short		l_type;
	short		l_whence;
	compat_off_t	l_start;
	compat_off_t	l_len;
	s32		l_sysid;
	compat_pid_t	l_pid;
	short		__unused;
	s32		pad[4];
};

#define F_GETLK64	33
#define F_SETLK64	34
#define F_SETLKW64	35

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 {
	int		f_type;
	int		f_bsize;
	int		f_frsize;
	int		f_blocks;
	int		f_bfree;
	int		f_files;
	int		f_ffree;
	int		f_bavail;
	compat_fsid_t	f_fsid;
	int		f_namelen;
	int		f_spare[6];
};

#define COMPAT_RLIM_INFINITY	0x7fffffffUL

typedef u32		compat_old_sigset_t;	/* at least 32 bits */

#define _COMPAT_NSIG		128		/* Don't ask !$@#% ...  */
#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)
{
	/* cast to a __user pointer via "unsigned long" makes sparse happy */
	return (void __user *)(unsigned long)(long)uptr;
}

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)
{
	struct pt_regs *regs = (struct pt_regs *)
		((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;

	return (void __user *) (regs->regs[29] - 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 seq;
	unsigned short __pad2;
	compat_ulong_t __unused1;
	compat_ulong_t __unused2;
};

struct compat_semid64_ds {
	struct compat_ipc64_perm sem_perm;
	compat_time_t	sem_otime;
	compat_time_t	sem_ctime;
	compat_ulong_t	sem_nsems;
	compat_ulong_t	__unused1;
	compat_ulong_t	__unused2;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused1;
#endif
	compat_time_t	msg_stime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused1;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused2;
#endif
	compat_time_t	msg_rtime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused2;
#endif
#ifndef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused3;
#endif
	compat_time_t	msg_ctime;
#ifdef CONFIG_CPU_LITTLE_ENDIAN
	compat_ulong_t	__unused3;
#endif
	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	__unused4;
	compat_ulong_t	__unused5;
};

struct compat_shmid64_ds {
	struct compat_ipc64_perm shm_perm;
	compat_size_t	shm_segsz;
	compat_time_t	shm_atime;
	compat_time_t	shm_dtime;
	compat_time_t	shm_ctime;
	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_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_COMPAT_H
	2	#define _ASM_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
	6	#include <linux/types.h>
	7	#include <asm/page.h>
b7237825	8	#include <asm/ptrace.h>
1da177e4 LT	9
	10	#define COMPAT_USER_HZ 100
	11
	12	typedef u32 compat_size_t;
	13	typedef s32 compat_ssize_t;
	14	typedef s32 compat_time_t;
	15	typedef s32 compat_clock_t;
	16	typedef s32 compat_suseconds_t;
	17
	18	typedef s32 compat_pid_t;
4ee1303a RB	19	typedef s32 __compat_uid_t;
	20	typedef s32 __compat_gid_t;
	21	typedef __compat_uid_t __compat_uid32_t;
	22	typedef __compat_gid_t __compat_gid32_t;
1da177e4 LT	23	typedef u32 compat_mode_t;
	24	typedef u32 compat_ino_t;
	25	typedef u32 compat_dev_t;
	26	typedef s32 compat_off_t;
	27	typedef s64 compat_loff_t;
	28	typedef u32 compat_nlink_t;
	29	typedef s32 compat_ipc_pid_t;
	30	typedef s32 compat_daddr_t;
	31	typedef s32 compat_caddr_t;
	32	typedef struct {
	33	s32 val[2];
	34	} compat_fsid_t;
0d77e5a2	35	typedef s32 compat_timer_t;
05e43966	36	typedef s32 compat_key_t;
1da177e4 LT	37
	38	typedef s32 compat_int_t;
	39	typedef s32 compat_long_t;
4b777587	40	typedef s64 compat_s64;
1da177e4 LT	41	typedef u32 compat_uint_t;
1da177e4 LT	42	typedef u32 compat_ulong_t;
4b777587	43	typedef u64 compat_u64;
1da177e4 LT	44
	45	struct compat_timespec {
	46	compat_time_t tv_sec;
	47	s32 tv_nsec;
	48	};
	49
	50	struct compat_timeval {
	51	compat_time_t tv_sec;
	52	s32 tv_usec;
	53	};
	54
	55	struct compat_stat {
	56	compat_dev_t st_dev;
	57	s32 st_pad1[3];
	58	compat_ino_t st_ino;
	59	compat_mode_t st_mode;
	60	compat_nlink_t st_nlink;
4ee1303a RB	61	__compat_uid_t st_uid;
4ee1303a RB	62	__compat_gid_t st_gid;
1da177e4 LT	63	compat_dev_t st_rdev;
	64	s32 st_pad2[2];
	65	compat_off_t st_size;
	66	s32 st_pad3;
	67	compat_time_t st_atime;
	68	s32 st_atime_nsec;
	69	compat_time_t st_mtime;
	70	s32 st_mtime_nsec;
	71	compat_time_t st_ctime;
	72	s32 st_ctime_nsec;
	73	s32 st_blksize;
	74	s32 st_blocks;
	75	s32 st_pad4[14];
	76	};
	77
	78	struct compat_flock {
	79	short l_type;
	80	short l_whence;
	81	compat_off_t l_start;
	82	compat_off_t l_len;
	83	s32 l_sysid;
	84	compat_pid_t l_pid;
	85	short __unused;
	86	s32 pad[4];
	87	};
	88
	89	#define F_GETLK64 33
	90	#define F_SETLK64 34
	91	#define F_SETLKW64 35
	92
	93	struct compat_flock64 {
	94	short l_type;
	95	short l_whence;
	96	compat_loff_t l_start;
	97	compat_loff_t l_len;
	98	compat_pid_t l_pid;
	99	};
	100
	101	struct compat_statfs {
	102	int f_type;
	103	int f_bsize;
	104	int f_frsize;
	105	int f_blocks;
	106	int f_bfree;
	107	int f_files;
	108	int f_ffree;
	109	int f_bavail;
	110	compat_fsid_t f_fsid;
	111	int f_namelen;
	112	int f_spare[6];
	113	};
	114
	115	#define COMPAT_RLIM_INFINITY 0x7fffffffUL
	116
	117	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	118
	119	#define _COMPAT_NSIG 128 /* Don't ask !$@#% ... */
	120	#define _COMPAT_NSIG_BPW 32
	121
	122	typedef u32 compat_sigset_word;
	123
	124	#define COMPAT_OFF_T_MAX 0x7fffffff
	125	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	126
127	/*
128	* A pointer passed in from user mode. This should not
129	* be used for syscall parameters, just declare them
130	* as pointers because the syscall entry code will have
8b3de0df	131	* appropriately converted them already.
1da177e4 LT	132	*/
	133	typedef u32 compat_uptr_t;
	134
219ac73a	135	static inline void __user *compat_ptr(compat_uptr_t uptr)
1da177e4	136	{
01bebc66 AN	137	/* cast to a __user pointer via "unsigned long" makes sparse happy */
01bebc66 AN	138	return (void __user *)(unsigned long)(long)uptr;
1da177e4 LT	139	}
1da177e4 LT	140
62ac285f IM	141	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	142	{
	143	return (u32)(unsigned long)uptr;
	144	}
	145
219ac73a	146	static inline void __user *compat_alloc_user_space(long len)
1da177e4 LT	147	{
	148	struct pt_regs regs = (struct pt_regs )
	149	((unsigned long) current_thread_info() + THREAD_SIZE - 32) - 1;
	150
219ac73a	151	return (void __user *) (regs->regs[29] - len);
1da177e4	152	}
1da177e4	153
05e43966 AN	154	struct compat_ipc64_perm {
	155	compat_key_t key;
	156	__compat_uid32_t uid;
	157	__compat_gid32_t gid;
	158	__compat_uid32_t cuid;
	159	__compat_gid32_t cgid;
	160	compat_mode_t mode;
	161	unsigned short seq;
	162	unsigned short __pad2;
	163	compat_ulong_t __unused1;
	164	compat_ulong_t __unused2;
	165	};
	166
	167	struct compat_semid64_ds {
	168	struct compat_ipc64_perm sem_perm;
	169	compat_time_t sem_otime;
	170	compat_time_t sem_ctime;
	171	compat_ulong_t sem_nsems;
	172	compat_ulong_t __unused1;
	173	compat_ulong_t __unused2;
	174	};
	175
	176	struct compat_msqid64_ds {
	177	struct compat_ipc64_perm msg_perm;
	178	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	179	compat_ulong_t __unused1;
	180	#endif
	181	compat_time_t msg_stime;
	182	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	183	compat_ulong_t __unused1;
	184	#endif
	185	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	186	compat_ulong_t __unused2;
	187	#endif
	188	compat_time_t msg_rtime;
	189	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	190	compat_ulong_t __unused2;
	191	#endif
	192	#ifndef CONFIG_CPU_LITTLE_ENDIAN
	193	compat_ulong_t __unused3;
	194	#endif
	195	compat_time_t msg_ctime;
	196	#ifdef CONFIG_CPU_LITTLE_ENDIAN
	197	compat_ulong_t __unused3;
	198	#endif
	199	compat_ulong_t msg_cbytes;
	200	compat_ulong_t msg_qnum;
	201	compat_ulong_t msg_qbytes;
	202	compat_pid_t msg_lspid;
	203	compat_pid_t msg_lrpid;
	204	compat_ulong_t __unused4;
	205	compat_ulong_t __unused5;
	206	};
	207
	208	struct compat_shmid64_ds {
	209	struct compat_ipc64_perm shm_perm;
	210	compat_size_t shm_segsz;
	211	compat_time_t shm_atime;
	212	compat_time_t shm_dtime;
	213	compat_time_t shm_ctime;
	214	compat_pid_t shm_cpid;
	215	compat_pid_t shm_lpid;
	216	compat_ulong_t shm_nattch;
	217	compat_ulong_t __unused1;
218	compat_ulong_t __unused2;
219	};
220
1da177e4	221	#endif /* _ASM_COMPAT_H */