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

#ifndef _ASM_POWERPC_COMPAT_H
#define _ASM_POWERPC_COMPAT_H
#ifdef __KERNEL__
/*
 * Architecture specific compatibility types
 */
#include <linux/types.h>
#include <linux/sched.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_pid_t;
typedef u32		__compat_uid_t;
typedef u32		__compat_gid_t;
typedef u32		__compat_uid32_t;
typedef u32		__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 s16		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;
	compat_ino_t	st_ino;
	compat_mode_t	st_mode;
	compat_nlink_t	st_nlink;
	__compat_uid32_t	st_uid;
	__compat_gid32_t	st_gid;
	compat_dev_t	st_rdev;
	compat_off_t	st_size;
	compat_off_t	st_blksize;
	compat_off_t	st_blocks;
	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;
	u32		__unused4[2];
};

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	/*  using 'struct flock64' */
#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 {
	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;

#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 *compat_alloc_user_space(long len)
{
	struct pt_regs *regs = current->thread.regs;
	unsigned long usp = regs->gpr[1];

	/*
	 * We cant access below the stack pointer in the 32bit ABI and
	 * can access 288 bytes in the 64bit ABI
	 */
	if (!(test_thread_flag(TIF_32BIT)))
		usp -= 288;

	return (void __user *) (usp - len);
}

/*
 * ipc64_perm is actually 32/64bit clean but since the compat layer refers to
 * it we may as well define it.
 */
struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid_t uid;
	__compat_gid_t gid;
	__compat_uid_t cuid;
	__compat_gid_t cgid;
	compat_mode_t mode;
	unsigned int seq;
	unsigned int __pad2;
	unsigned long __unused1;	/* yes they really are 64bit pads */
	unsigned long __unused2;
};

struct compat_semid64_ds {
	struct compat_ipc64_perm sem_perm;
	unsigned int __unused1;
	compat_time_t sem_otime;
	unsigned int __unused2;
	compat_time_t sem_ctime;
	compat_ulong_t sem_nsems;
	compat_ulong_t __unused3;
	compat_ulong_t __unused4;
};

struct compat_msqid64_ds {
	struct compat_ipc64_perm msg_perm;
	unsigned int __unused1;
	compat_time_t msg_stime;
	unsigned int __unused2;
	compat_time_t msg_rtime;
	unsigned int __unused3;
	compat_time_t msg_ctime;
	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;
	unsigned int __unused1;
	compat_time_t shm_atime;
	unsigned int __unused2;
	compat_time_t shm_dtime;
	unsigned int __unused3;
	compat_time_t shm_ctime;
	unsigned int __unused4;
	compat_size_t shm_segsz;
	compat_pid_t shm_cpid;
	compat_pid_t shm_lpid;
	compat_ulong_t shm_nattch;
	compat_ulong_t __unused5;
	compat_ulong_t __unused6;
};

static inline int is_compat_task(void)
{
	return test_thread_flag(TIF_32BIT);
}

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_COMPAT_H */
Commit	Line	Data
8882a4da DG	1	#ifndef _ASM_POWERPC_COMPAT_H
8882a4da DG	2	#define _ASM_POWERPC_COMPAT_H
88ced031	3	#ifdef __KERNEL__
1da177e4 LT	4	/*
	5	* Architecture specific compatibility types
	6	*/
	7	#include <linux/types.h>
	8	#include <linux/sched.h>
	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_pid_t;
202e5979 SR	17	typedef u32 __compat_uid_t;
	18	typedef u32 __compat_gid_t;
	19	typedef u32 __compat_uid32_t;
	20	typedef u32 __compat_gid32_t;
1da177e4 LT	21	typedef u32 compat_mode_t;
	22	typedef u32 compat_ino_t;
	23	typedef u32 compat_dev_t;
	24	typedef s32 compat_off_t;
	25	typedef s64 compat_loff_t;
	26	typedef s16 compat_nlink_t;
	27	typedef u16 compat_ipc_pid_t;
	28	typedef s32 compat_daddr_t;
	29	typedef u32 compat_caddr_t;
	30	typedef __kernel_fsid_t compat_fsid_t;
	31	typedef s32 compat_key_t;
0d77e5a2	32	typedef s32 compat_timer_t;
1da177e4 LT	33
	34	typedef s32 compat_int_t;
	35	typedef s32 compat_long_t;
4b777587	36	typedef s64 compat_s64;
1da177e4 LT	37	typedef u32 compat_uint_t;
1da177e4 LT	38	typedef u32 compat_ulong_t;
4b777587	39	typedef u64 compat_u64;
1da177e4 LT	40
	41	struct compat_timespec {
	42	compat_time_t tv_sec;
	43	s32 tv_nsec;
	44	};
	45
	46	struct compat_timeval {
	47	compat_time_t tv_sec;
	48	s32 tv_usec;
	49	};
	50
	51	struct compat_stat {
	52	compat_dev_t st_dev;
	53	compat_ino_t st_ino;
	54	compat_mode_t st_mode;
8882a4da	55	compat_nlink_t st_nlink;
202e5979 SR	56	__compat_uid32_t st_uid;
202e5979 SR	57	__compat_gid32_t st_gid;
1da177e4 LT	58	compat_dev_t st_rdev;
	59	compat_off_t st_size;
	60	compat_off_t st_blksize;
	61	compat_off_t st_blocks;
	62	compat_time_t st_atime;
	63	u32 st_atime_nsec;
	64	compat_time_t st_mtime;
	65	u32 st_mtime_nsec;
	66	compat_time_t st_ctime;
	67	u32 st_ctime_nsec;
	68	u32 __unused4[2];
	69	};
	70
	71	struct compat_flock {
	72	short l_type;
	73	short l_whence;
	74	compat_off_t l_start;
	75	compat_off_t l_len;
	76	compat_pid_t l_pid;
	77	};
	78
	79	#define F_GETLK64 12 /* using 'struct flock64' */
	80	#define F_SETLK64 13
	81	#define F_SETLKW64 14
	82
	83	struct compat_flock64 {
	84	short l_type;
	85	short l_whence;
	86	compat_loff_t l_start;
	87	compat_loff_t l_len;
	88	compat_pid_t l_pid;
	89	};
	90
	91	struct compat_statfs {
	92	int f_type;
	93	int f_bsize;
	94	int f_blocks;
	95	int f_bfree;
	96	int f_bavail;
	97	int f_files;
	98	int f_ffree;
	99	compat_fsid_t f_fsid;
	100	int f_namelen; /* SunOS ignores this field. */
	101	int f_frsize;
	102	int f_spare[5];
	103	};
	104
	105	#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
	106	#define COMPAT_RLIM_INFINITY 0xffffffff
	107
	108	typedef u32 compat_old_sigset_t;
	109
	110	#define _COMPAT_NSIG 64
	111	#define _COMPAT_NSIG_BPW 32
	112
	113	typedef u32 compat_sigset_word;
	114
	115	#define COMPAT_OFF_T_MAX 0x7fffffff
	116	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	117
	118	/*
	119	* A pointer passed in from user mode. This should not
	120	* be used for syscall parameters, just declare them
	121	* as pointers because the syscall entry code will have
8b3de0df	122	* appropriately converted them already.
1da177e4 LT	123	*/
	124	typedef u32 compat_uptr_t;
	125
	126	static inline void __user *compat_ptr(compat_uptr_t uptr)
	127	{
	128	return (void __user *)(unsigned long)uptr;
	129	}
	130
29e646df AV	131	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	132	{
	133	return (u32)(unsigned long)uptr;
	134	}
	135
1da177e4 LT	136	static inline void __user *compat_alloc_user_space(long len)
	137	{
	138	struct pt_regs *regs = current->thread.regs;
	139	unsigned long usp = regs->gpr[1];
	140
	141	/*
	142	* We cant access below the stack pointer in the 32bit ABI and
	143	* can access 288 bytes in the 64bit ABI
	144	*/
	145	if (!(test_thread_flag(TIF_32BIT)))
	146	usp -= 288;
	147
	148	return (void __user *) (usp - len);
	149	}
	150
	151	/*
	152	* ipc64_perm is actually 32/64bit clean but since the compat layer refers to
	153	* it we may as well define it.
	154	*/
	155	struct compat_ipc64_perm {
	156	compat_key_t key;
202e5979 SR	157	__compat_uid_t uid;
	158	__compat_gid_t gid;
	159	__compat_uid_t cuid;
	160	__compat_gid_t cgid;
1da177e4 LT	161	compat_mode_t mode;
	162	unsigned int seq;
	163	unsigned int __pad2;
	164	unsigned long __unused1; /* yes they really are 64bit pads */
	165	unsigned long __unused2;
	166	};
	167
	168	struct compat_semid64_ds {
	169	struct compat_ipc64_perm sem_perm;
	170	unsigned int __unused1;
	171	compat_time_t sem_otime;
	172	unsigned int __unused2;
	173	compat_time_t sem_ctime;
	174	compat_ulong_t sem_nsems;
	175	compat_ulong_t __unused3;
	176	compat_ulong_t __unused4;
	177	};
	178
	179	struct compat_msqid64_ds {
	180	struct compat_ipc64_perm msg_perm;
	181	unsigned int __unused1;
	182	compat_time_t msg_stime;
	183	unsigned int __unused2;
	184	compat_time_t msg_rtime;
	185	unsigned int __unused3;
	186	compat_time_t msg_ctime;
	187	compat_ulong_t msg_cbytes;
	188	compat_ulong_t msg_qnum;
	189	compat_ulong_t msg_qbytes;
	190	compat_pid_t msg_lspid;
	191	compat_pid_t msg_lrpid;
	192	compat_ulong_t __unused4;
	193	compat_ulong_t __unused5;
	194	};
	195
	196	struct compat_shmid64_ds {
	197	struct compat_ipc64_perm shm_perm;
	198	unsigned int __unused1;
	199	compat_time_t shm_atime;
	200	unsigned int __unused2;
	201	compat_time_t shm_dtime;
	202	unsigned int __unused3;
	203	compat_time_t shm_ctime;
	204	unsigned int __unused4;
	205	compat_size_t shm_segsz;
	206	compat_pid_t shm_cpid;
	207	compat_pid_t shm_lpid;
	208	compat_ulong_t shm_nattch;
	209	compat_ulong_t __unused5;
	210	compat_ulong_t __unused6;
	211	};
	212
5b101740 RM	213	static inline int is_compat_task(void)
	214	{
	215	return test_thread_flag(TIF_32BIT);
	216	}
	217
88ced031	218	#endif /* __KERNEL__ */
8882a4da	219	#endif /* _ASM_POWERPC_COMPAT_H */