[mirror_ubuntu-bionic-kernel.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 u32		compat_uint_t;
typedef u32		compat_ulong_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;
	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
 * comverted 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__ void __user *
compat_alloc_user_space (long len)
{
	struct pt_regs *regs = ia64_task_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;
	16	typedef u16 compat_uid_t;
	17	typedef u16 compat_gid_t;
	18	typedef u32 compat_uid32_t;
	19	typedef u32 compat_gid32_t;
	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;
	34	typedef u32 compat_uint_t;
	35	typedef u32 compat_ulong_t;
	36
	37	struct compat_timespec {
	38	compat_time_t tv_sec;
	39	s32 tv_nsec;
	40	};
	41
	42	struct compat_timeval {
	43	compat_time_t tv_sec;
	44	s32 tv_usec;
	45	};
	46
	47	struct compat_stat {
	48	compat_dev_t st_dev;
	49	u16 __pad1;
	50	compat_ino_t st_ino;
	51	compat_mode_t st_mode;
	52	compat_nlink_t st_nlink;
	53	compat_uid_t st_uid;
	54	compat_gid_t st_gid;
	55	compat_dev_t st_rdev;
	56	u16 __pad2;
	57	u32 st_size;
	58	u32 st_blksize;
	59	u32 st_blocks;
	60	u32 st_atime;
	61	u32 st_atime_nsec;
	62	u32 st_mtime;
	63	u32 st_mtime_nsec;
	64	u32 st_ctime;
	65	u32 st_ctime_nsec;
	66	u32 __unused4;
	67	u32 __unused5;
	68	};
	69
	70	struct compat_flock {
	71	short l_type;
	72	short l_whence;
	73	compat_off_t l_start;
	74	compat_off_t l_len;
	75	compat_pid_t l_pid;
	76	};
	77
	78	#define F_GETLK64 12
	79	#define F_SETLK64 13
	80	#define F_SETLKW64 14
	81
	82	/*
	83	* IA32 uses 4 byte alignment for 64 bit quantities,
	84	* so we need to pack this structure.
	85	*/
	86	struct compat_flock64 {
	87	short l_type;
	88	short l_whence;
	89	compat_loff_t l_start;
	90	compat_loff_t l_len;
	91	compat_pid_t l_pid;
	92	} __attribute__((packed));
	93
	94	struct compat_statfs {
95	int f_type;
96	int f_bsize;
97	int f_blocks;
98	int f_bfree;
99	int f_bavail;
100	int f_files;
101	int f_ffree;
102	compat_fsid_t f_fsid;
103	int f_namelen; /* SunOS ignores this field. */
104	int f_frsize;
105	int f_spare[5];
106	};
107
108	#define COMPAT_RLIM_OLD_INFINITY 0x7fffffff
109	#define COMPAT_RLIM_INFINITY 0xffffffff
110
111	typedef u32 compat_old_sigset_t; /* at least 32 bits */
112
113	#define _COMPAT_NSIG 64
114	#define _COMPAT_NSIG_BPW 32
115
116	typedef u32 compat_sigset_word;
117
118	#define COMPAT_OFF_T_MAX 0x7fffffff
119	#define COMPAT_LOFF_T_MAX 0x7fffffffffffffffL
120
121	struct compat_ipc64_perm {
122	compat_key_t key;
123	compat_uid32_t uid;
124	compat_gid32_t gid;
125	compat_uid32_t cuid;
126	compat_gid32_t cgid;
127	unsigned short mode;
128	unsigned short __pad1;
129	unsigned short seq;
130	unsigned short __pad2;
131	compat_ulong_t unused1;
132	compat_ulong_t unused2;
133	};
134
135	struct compat_semid64_ds {
136	struct compat_ipc64_perm sem_perm;
137	compat_time_t sem_otime;
138	compat_ulong_t __unused1;
139	compat_time_t sem_ctime;
140	compat_ulong_t __unused2;
141	compat_ulong_t sem_nsems;
142	compat_ulong_t __unused3;
143	compat_ulong_t __unused4;
144	};
145
146	struct compat_msqid64_ds {
147	struct compat_ipc64_perm msg_perm;
148	compat_time_t msg_stime;
149	compat_ulong_t __unused1;
150	compat_time_t msg_rtime;
151	compat_ulong_t __unused2;
152	compat_time_t msg_ctime;
153	compat_ulong_t __unused3;
154	compat_ulong_t msg_cbytes;
155	compat_ulong_t msg_qnum;
156	compat_ulong_t msg_qbytes;
157	compat_pid_t msg_lspid;
158	compat_pid_t msg_lrpid;
159	compat_ulong_t __unused4;
160	compat_ulong_t __unused5;
161	};
162
163	struct compat_shmid64_ds {
164	struct compat_ipc64_perm shm_perm;
165	compat_size_t shm_segsz;
166	compat_time_t shm_atime;
167	compat_ulong_t __unused1;
168	compat_time_t shm_dtime;
169	compat_ulong_t __unused2;
170	compat_time_t shm_ctime;
171	compat_ulong_t __unused3;
172	compat_pid_t shm_cpid;
173	compat_pid_t shm_lpid;
174	compat_ulong_t shm_nattch;
175	compat_ulong_t __unused4;
176	compat_ulong_t __unused5;
177	};
178
179	/*
180	* A pointer passed in from user mode. This should not be used for syscall parameters,
181	* just declare them as pointers because the syscall entry code will have appropriately
182	* comverted them already.
183	*/
184	typedef u32 compat_uptr_t;
185
186	static inline void __user *
187	compat_ptr (compat_uptr_t uptr)
188	{
189	return (void __user *) (unsigned long) uptr;
190	}
191
192	static __inline__ void __user *
193	compat_alloc_user_space (long len)
194	{
195	struct pt_regs *regs = ia64_task_regs(current);
196	return (void __user *) (((regs->r12 & 0xffffffff) & -16) - len);
197	}
198
199	#endif /* _ASM_IA64_COMPAT_H */