[deliverable/linux.git] / include / asm-ia64 / compat.h

#ifndef _ASM_IA64_COMPAT_H
#define _ASM_IA64_COMPAT_H
/*
 * Architecture specific compatibility types
 */
#include <linux/types.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_key_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_timer_t;

typedef s32		compat_int_t;
typedef s32		compat_long_t;
typedef s64 __attribute__((aligned(4))) compat_s64;
typedef u32		compat_uint_t;
typedef u32		compat_ulong_t;
typedef u64 __attribute__((aligned(4))) 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

/*
 * IA32 uses 4 byte alignment for 64 bit quantities,
 * so we need to pack this structure.
 */
struct compat_flock64 {
	short		l_type;
	short		l_whence;
	compat_loff_t	l_start;
	compat_loff_t	l_len;
	compat_pid_t	l_pid;
} __attribute__((packed));

struct compat_statfs {
	int		f_type;
	int		f_bsize;
	int		f_blocks;
	int		f_bfree;
	int		f_bavail;
	int		f_files;
	int		f_ffree;
	compat_fsid_t	f_fsid;
	int		f_namelen;	/* SunOS ignores this field. */
	int		f_frsize;
	int		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

struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid32_t uid;
	__compat_gid32_t gid;
	__compat_uid32_t cuid;
	__compat_gid32_t cgid;
	unsigned short mode;
	unsigned short __pad1;
	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_ulong_t __unused1;
	compat_time_t  sem_ctime;
	compat_ulong_t __unused2;
	compat_ulong_t sem_nsems;
	compat_ulong_t __unused3;
	compat_ulong_t __unused4;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
	compat_time_t  msg_stime;
	compat_ulong_t __unused1;
	compat_time_t  msg_rtime;
	compat_ulong_t __unused2;
	compat_time_t  msg_ctime;
	compat_ulong_t __unused3;
	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_ulong_t __unused1;
	compat_time_t  shm_dtime;
	compat_ulong_t __unused2;
	compat_time_t  shm_ctime;
	compat_ulong_t __unused3;
	compat_pid_t   shm_cpid;
	compat_pid_t   shm_lpid;
	compat_ulong_t shm_nattch;
	compat_ulong_t __unused4;
	compat_ulong_t __unused5;
};

/*
 * 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 *
compat_alloc_user_space (long len)
{
	struct pt_regs *regs = task_pt_regs(current);
	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
}

#endif /* _ASM_IA64_COMPAT_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _ASM_IA64_COMPAT_H
	2	#define _ASM_IA64_COMPAT_H
	3	/*
	4	* Architecture specific compatibility types
	5	*/
	6	#include <linux/types.h>
	7
	8	#define COMPAT_USER_HZ 100
	9
	10	typedef u32 compat_size_t;
	11	typedef s32 compat_ssize_t;
	12	typedef s32 compat_time_t;
	13	typedef s32 compat_clock_t;
	14	typedef s32 compat_key_t;
	15	typedef s32 compat_pid_t;
202e5979 SR	16	typedef u16 __compat_uid_t;
	17	typedef u16 __compat_gid_t;
	18	typedef u32 __compat_uid32_t;
	19	typedef u32 __compat_gid32_t;
1da177e4 LT	20	typedef u16 compat_mode_t;
	21	typedef u32 compat_ino_t;
	22	typedef u16 compat_dev_t;
	23	typedef s32 compat_off_t;
	24	typedef s64 compat_loff_t;
	25	typedef u16 compat_nlink_t;
	26	typedef u16 compat_ipc_pid_t;
	27	typedef s32 compat_daddr_t;
	28	typedef u32 compat_caddr_t;
	29	typedef __kernel_fsid_t compat_fsid_t;
0d77e5a2	30	typedef s32 compat_timer_t;
1da177e4 LT	31
	32	typedef s32 compat_int_t;
	33	typedef s32 compat_long_t;
4b777587	34	typedef s64 __attribute__((aligned(4))) compat_s64;
1da177e4 LT	35	typedef u32 compat_uint_t;
1da177e4 LT	36	typedef u32 compat_ulong_t;
4b777587	37	typedef u64 __attribute__((aligned(4))) compat_u64;
1da177e4 LT	38
	39	struct compat_timespec {
	40	compat_time_t tv_sec;
	41	s32 tv_nsec;
	42	};
	43
	44	struct compat_timeval {
	45	compat_time_t tv_sec;
	46	s32 tv_usec;
	47	};
	48
	49	struct compat_stat {
	50	compat_dev_t st_dev;
	51	u16 __pad1;
	52	compat_ino_t st_ino;
	53	compat_mode_t st_mode;
	54	compat_nlink_t st_nlink;
202e5979 SR	55	__compat_uid_t st_uid;
202e5979 SR	56	__compat_gid_t st_gid;
1da177e4 LT	57	compat_dev_t st_rdev;
	58	u16 __pad2;
	59	u32 st_size;
	60	u32 st_blksize;
	61	u32 st_blocks;
	62	u32 st_atime;
	63	u32 st_atime_nsec;
	64	u32 st_mtime;
	65	u32 st_mtime_nsec;
	66	u32 st_ctime;
	67	u32 st_ctime_nsec;
	68	u32 __unused4;
	69	u32 __unused5;
	70	};
	71
	72	struct compat_flock {
	73	short l_type;
	74	short l_whence;
	75	compat_off_t l_start;
	76	compat_off_t l_len;
	77	compat_pid_t l_pid;
	78	};
	79
	80	#define F_GETLK64 12
	81	#define F_SETLK64 13
	82	#define F_SETLKW64 14
	83
	84	/*
	85	* IA32 uses 4 byte alignment for 64 bit quantities,
	86	* so we need to pack this structure.
	87	*/
	88	struct compat_flock64 {
	89	short l_type;
	90	short l_whence;
	91	compat_loff_t l_start;
	92	compat_loff_t l_len;
	93	compat_pid_t l_pid;
	94	} __attribute__((packed));
	95
	96	struct compat_statfs {
	97	int f_type;
	98	int f_bsize;
	99	int f_blocks;
	100	int f_bfree;
	101	int f_bavail;
	102	int f_files;
	103	int f_ffree;
	104	compat_fsid_t f_fsid;
	105	int f_namelen; /* SunOS ignores this field. */
	106	int f_frsize;
	107	int f_spare[5];
	108	};
	109
	110	#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
	111	#define COMPAT_RLIM_INFINITY 0xffffffff
	112
	113	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	114
	115	#define _COMPAT_NSIG 64
	116	#define _COMPAT_NSIG_BPW 32
	117
	118	typedef u32 compat_sigset_word;
	119
	120	#define COMPAT_OFF_T_MAX 0x7fffffff
121	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
122
123	struct compat_ipc64_perm {
124	compat_key_t key;
202e5979 SR	125	__compat_uid32_t uid;
	126	__compat_gid32_t gid;
	127	__compat_uid32_t cuid;
	128	__compat_gid32_t cgid;
1da177e4 LT	129	unsigned short mode;
	130	unsigned short __pad1;
	131	unsigned short seq;
	132	unsigned short __pad2;
	133	compat_ulong_t unused1;
	134	compat_ulong_t unused2;
	135	};
	136
	137	struct compat_semid64_ds {
	138	struct compat_ipc64_perm sem_perm;
	139	compat_time_t sem_otime;
	140	compat_ulong_t __unused1;
	141	compat_time_t sem_ctime;
	142	compat_ulong_t __unused2;
	143	compat_ulong_t sem_nsems;
	144	compat_ulong_t __unused3;
	145	compat_ulong_t __unused4;
	146	};
	147
	148	struct compat_msqid64_ds {
	149	struct compat_ipc64_perm msg_perm;
	150	compat_time_t msg_stime;
	151	compat_ulong_t __unused1;
	152	compat_time_t msg_rtime;
	153	compat_ulong_t __unused2;
	154	compat_time_t msg_ctime;
	155	compat_ulong_t __unused3;
	156	compat_ulong_t msg_cbytes;
	157	compat_ulong_t msg_qnum;
	158	compat_ulong_t msg_qbytes;
	159	compat_pid_t msg_lspid;
	160	compat_pid_t msg_lrpid;
	161	compat_ulong_t __unused4;
	162	compat_ulong_t __unused5;
	163	};
	164
	165	struct compat_shmid64_ds {
	166	struct compat_ipc64_perm shm_perm;
	167	compat_size_t shm_segsz;
	168	compat_time_t shm_atime;
	169	compat_ulong_t __unused1;
	170	compat_time_t shm_dtime;
	171	compat_ulong_t __unused2;
	172	compat_time_t shm_ctime;
	173	compat_ulong_t __unused3;
	174	compat_pid_t shm_cpid;
	175	compat_pid_t shm_lpid;
	176	compat_ulong_t shm_nattch;
	177	compat_ulong_t __unused4;
	178	compat_ulong_t __unused5;
	179	};
	180
	181	/*
	182	* A pointer passed in from user mode. This should not be used for syscall parameters,
	183	* just declare them as pointers because the syscall entry code will have appropriately
8b3de0df	184	* converted them already.
1da177e4 LT	185	*/
	186	typedef u32 compat_uptr_t;
	187
	188	static inline void __user *
	189	compat_ptr (compat_uptr_t uptr)
	190	{
	191	return (void __user *) (unsigned long) uptr;
	192	}
	193
66e863ac IM	194	static inline compat_uptr_t
	195	ptr_to_compat(void __user *uptr)
	196	{
	197	return (u32)(unsigned long)uptr;
	198	}
	199
1da177e4 LT	200	static __inline__ void __user *
	201	compat_alloc_user_space (long len)
	202	{
6450578f	203	struct pt_regs *regs = task_pt_regs(current);
1da177e4 LT	204	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
	205	}
	206
	207	#endif /* _ASM_IA64_COMPAT_H */