[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_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;
typedef u32	compat_uptr_t;

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_flags;
	s32		f_spare[4];
};

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;

typedef union compat_sigval {
	compat_int_t	sival_int;
	compat_uptr_t	sival_ptr;
} compat_sigval_t;

typedef struct compat_siginfo {
	int si_signo;
	int si_errno;
	int si_code;

	union {
		int _pad[128/sizeof(int) - 3];

		/* kill() */
		struct {
			unsigned int _pid;      /* sender's pid */
			unsigned int _uid;      /* sender's uid */
		} _kill;

		/* POSIX.1b timers */
		struct {
			compat_timer_t _tid;            /* timer id */
			int _overrun;           /* overrun count */
			char _pad[sizeof(unsigned int) - sizeof(int)];
			compat_sigval_t _sigval;        /* same as below */
			int _sys_private;       /* not to be passed to user */
		} _timer;

		/* POSIX.1b signals */
		struct {
			unsigned int _pid;      /* sender's pid */
			unsigned int _uid;      /* sender's uid */
			compat_sigval_t _sigval;
		} _rt;

		/* SIGCHLD */
		struct {
			unsigned int _pid;      /* which child */
			unsigned int _uid;      /* sender's uid */
			int _status;            /* exit code */
			compat_clock_t _utime;
			compat_clock_t _stime;
		} _sigchld;

		/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
		struct {
			unsigned int _addr;     /* faulting insn/memory ref. */
		} _sigfault;

		/* SIGPOLL */
		struct {
			int _band;      /* POLL_IN, POLL_OUT, POLL_MSG */
			int _fd;
		} _sigpoll;
	} _sifields;
} compat_siginfo_t;

#define COMPAT_OFF_T_MAX	0x7fffffff
#define COMPAT_LOFF_T_MAX	0x7fffffffffffffffL

struct compat_ipc64_perm {
	compat_key_t key;
	__compat_uid_t uid;
	__compat_gid_t gid;
	__compat_uid_t cuid;
	__compat_gid_t cgid;
	unsigned short int __pad1;
	compat_mode_t mode;
	unsigned short int __pad2;
	unsigned short int seq;
	unsigned int __pad3;
	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;
};

/*
 * 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.
 */

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;
bf581e15	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;
751f409d	40	typedef u32 compat_uptr_t;
1da177e4 LT	41
	42	struct compat_timespec {
	43	compat_time_t tv_sec;
	44	s32 tv_nsec;
	45	};
	46
	47	struct compat_timeval {
	48	compat_time_t tv_sec;
	49	s32 tv_usec;
	50	};
	51
	52	struct compat_stat {
	53	compat_dev_t st_dev; /* dev_t is 32 bits on parisc */
	54	compat_ino_t st_ino; /* 32 bits */
	55	compat_mode_t st_mode; /* 16 bits */
	56	compat_nlink_t st_nlink; /* 16 bits */
	57	u16 st_reserved1; /* old st_uid */
	58	u16 st_reserved2; /* old st_gid */
	59	compat_dev_t st_rdev;
	60	compat_off_t st_size;
	61	compat_time_t st_atime;
	62	u32 st_atime_nsec;
	63	compat_time_t st_mtime;
	64	u32 st_mtime_nsec;
	65	compat_time_t st_ctime;
	66	u32 st_ctime_nsec;
	67	s32 st_blksize;
	68	s32 st_blocks;
	69	u32 __unused1; /* ACL stuff */
	70	compat_dev_t __unused2; /* network */
	71	compat_ino_t __unused3; /* network */
	72	u32 __unused4; /* cnodes */
	73	u16 __unused5; /* netsite */
	74	short st_fstype;
	75	compat_dev_t st_realdev;
	76	u16 st_basemode;
	77	u16 st_spareshort;
202e5979 SR	78	__compat_uid32_t st_uid;
202e5979 SR	79	__compat_gid32_t st_gid;
1da177e4 LT	80	u32 st_spare4[3];
	81	};
	82
	83	struct compat_flock {
	84	short l_type;
	85	short l_whence;
	86	compat_off_t l_start;
	87	compat_off_t l_len;
	88	compat_pid_t l_pid;
	89	};
	90
	91	struct compat_flock64 {
	92	short l_type;
	93	short l_whence;
	94	compat_loff_t l_start;
	95	compat_loff_t l_len;
	96	compat_pid_t l_pid;
	97	};
	98
	99	struct compat_statfs {
	100	s32 f_type;
	101	s32 f_bsize;
	102	s32 f_blocks;
	103	s32 f_bfree;
	104	s32 f_bavail;
	105	s32 f_files;
	106	s32 f_ffree;
	107	__kernel_fsid_t f_fsid;
	108	s32 f_namelen;
	109	s32 f_frsize;
1448c721 EB	110	s32 f_flags;
1448c721 EB	111	s32 f_spare[4];
1da177e4 LT	112	};
	113
	114	struct compat_sigcontext {
	115	compat_int_t sc_flags;
	116	compat_int_t sc_gr[32]; /* PSW in sc_gr[0] */
	117	u64 sc_fr[32];
	118	compat_int_t sc_iasq[2];
	119	compat_int_t sc_iaoq[2];
	120	compat_int_t sc_sar; /* cr11 */
	121	};
	122
	123	#define COMPAT_RLIM_INFINITY 0xffffffff
	124
	125	typedef u32 compat_old_sigset_t; /* at least 32 bits */
	126
	127	#define _COMPAT_NSIG 64
	128	#define _COMPAT_NSIG_BPW 32
	129
	130	typedef u32 compat_sigset_word;
	131
751f409d DV	132	typedef union compat_sigval {
	133	compat_int_t sival_int;
	134	compat_uptr_t sival_ptr;
	135	} compat_sigval_t;
	136
	137	typedef struct compat_siginfo {
	138	int si_signo;
	139	int si_errno;
	140	int si_code;
	141
	142	union {
	143	int _pad[128/sizeof(int) - 3];
	144
	145	/* kill() */
	146	struct {
	147	unsigned int _pid; /* sender's pid */
	148	unsigned int _uid; /* sender's uid */
	149	} _kill;
	150
	151	/* POSIX.1b timers */
	152	struct {
	153	compat_timer_t _tid; /* timer id */
	154	int _overrun; /* overrun count */
	155	char _pad[sizeof(unsigned int) - sizeof(int)];
	156	compat_sigval_t _sigval; /* same as below */
	157	int _sys_private; /* not to be passed to user */
	158	} _timer;
	159
	160	/* POSIX.1b signals */
	161	struct {
	162	unsigned int _pid; /* sender's pid */
	163	unsigned int _uid; /* sender's uid */
	164	compat_sigval_t _sigval;
	165	} _rt;
	166
	167	/* SIGCHLD */
	168	struct {
	169	unsigned int _pid; /* which child */
	170	unsigned int _uid; /* sender's uid */
	171	int _status; /* exit code */
	172	compat_clock_t _utime;
	173	compat_clock_t _stime;
	174	} _sigchld;
	175
	176	/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
	177	struct {
	178	unsigned int _addr; /* faulting insn/memory ref. */
	179	} _sigfault;
	180
	181	/* SIGPOLL */
	182	struct {
	183	int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
	184	int _fd;
	185	} _sigpoll;
	186	} _sifields;
	187	} compat_siginfo_t;
	188
1da177e4 LT	189	#define COMPAT_OFF_T_MAX 0x7fffffff
	190	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
	191
bf581e15 HD	192	struct compat_ipc64_perm {
	193	compat_key_t key;
	194	__compat_uid_t uid;
	195	__compat_gid_t gid;
	196	__compat_uid_t cuid;
	197	__compat_gid_t cgid;
	198	unsigned short int __pad1;
	199	compat_mode_t mode;
	200	unsigned short int __pad2;
	201	unsigned short int seq;
	202	unsigned int __pad3;
	203	unsigned long __unused1; /* yes they really are 64bit pads */
	204	unsigned long __unused2;
	205	};
	206
	207	struct compat_semid64_ds {
	208	struct compat_ipc64_perm sem_perm;
bf581e15	209	unsigned int __unused1;
d0cf62fb	210	compat_time_t sem_otime;
bf581e15	211	unsigned int __unused2;
d0cf62fb	212	compat_time_t sem_ctime;
bf581e15 HD	213	compat_ulong_t sem_nsems;
	214	compat_ulong_t __unused3;
	215	compat_ulong_t __unused4;
	216	};
	217
	218	struct compat_msqid64_ds {
	219	struct compat_ipc64_perm msg_perm;
	220	unsigned int __unused1;
	221	compat_time_t msg_stime;
	222	unsigned int __unused2;
	223	compat_time_t msg_rtime;
	224	unsigned int __unused3;
	225	compat_time_t msg_ctime;
	226	compat_ulong_t msg_cbytes;
	227	compat_ulong_t msg_qnum;
	228	compat_ulong_t msg_qbytes;
	229	compat_pid_t msg_lspid;
	230	compat_pid_t msg_lrpid;
	231	compat_ulong_t __unused4;
	232	compat_ulong_t __unused5;
	233	};
	234
	235	struct compat_shmid64_ds {
	236	struct compat_ipc64_perm shm_perm;
	237	unsigned int __unused1;
	238	compat_time_t shm_atime;
	239	unsigned int __unused2;
	240	compat_time_t shm_dtime;
	241	unsigned int __unused3;
	242	compat_time_t shm_ctime;
	243	unsigned int __unused4;
	244	compat_size_t shm_segsz;
	245	compat_pid_t shm_cpid;
	246	compat_pid_t shm_lpid;
	247	compat_ulong_t shm_nattch;
	248	compat_ulong_t __unused5;
	249	compat_ulong_t __unused6;
	250	};
	251
1da177e4 LT	252	/*
	253	* A pointer passed in from user mode. This should not
	254	* be used for syscall parameters, just declare them
	255	* as pointers because the syscall entry code will have
8b3de0df	256	* appropriately converted them already.
1da177e4	257	*/
1da177e4 LT	258
	259	static inline void __user *compat_ptr(compat_uptr_t uptr)
	260	{
	261	return (void __user *)(unsigned long)uptr;
	262	}
	263
213b63b7 IM	264	static inline compat_uptr_t ptr_to_compat(void __user *uptr)
	265	{
	266	return (u32)(unsigned long)uptr;
	267	}
	268
c41d68a5	269	static __inline__ void __user *arch_compat_alloc_user_space(long len)
1da177e4 LT	270	{
	271	struct pt_regs *regs = &current->thread.regs;
	272	return (void __user *)regs->gr[30];
	273	}
	274
a3ea84fa KM	275	static inline int __is_compat_task(struct task_struct *t)
a3ea84fa KM	276	{
c9f4f06d	277	return test_ti_thread_flag(task_thread_info(t), TIF_32BIT);
a3ea84fa KM	278	}
	279
	280	static inline int is_compat_task(void)
	281	{
	282	return __is_compat_task(current);
	283	}
	284
1da177e4	285	#endif /* _ASM_PARISC_COMPAT_H */