[linux-2.6-block.git] / arch / s390 / kernel / compat_linux.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_S390X_S390_H
#define _ASM_S390X_S390_H

#include <linux/compat.h>
#include <linux/socket.h>
#include <linux/syscalls.h>

/* Macro that masks the high order bit of an 32 bit pointer and converts it*/
/*       to a 64 bit pointer */
#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
#define AA(__x)				\
	((unsigned long)(__x))

/* Now 32bit compatibility types */
struct ipc_kludge_32 {
        __u32   msgp;                           /* pointer              */
        __s32   msgtyp;
};

/* asm/sigcontext.h */
typedef union
{
	__u64   d;
	__u32   f; 
} freg_t32;

typedef struct
{
	unsigned int	fpc;
	unsigned int	pad;
	freg_t32	fprs[__NUM_FPRS];              
} _s390_fp_regs32;

typedef struct 
{
        __u32   mask;
        __u32	addr;
} _psw_t32 __attribute__ ((aligned(8)));

typedef struct
{
	_psw_t32	psw;
	__u32		gprs[__NUM_GPRS];
	__u32		acrs[__NUM_ACRS];
} _s390_regs_common32;

typedef struct
{
	_s390_regs_common32 regs;
	_s390_fp_regs32     fpregs;
} _sigregs32;

typedef struct
{
	__u32 gprs_high[__NUM_GPRS];
	__u64 vxrs_low[__NUM_VXRS_LOW];
	__vector128 vxrs_high[__NUM_VXRS_HIGH];
	__u8 __reserved[128];
} _sigregs_ext32;

#define _SIGCONTEXT_NSIG32	64
#define _SIGCONTEXT_NSIG_BPW32	32
#define __SIGNAL_FRAMESIZE32	96
#define _SIGMASK_COPY_SIZE32	(sizeof(u32)*2)

struct sigcontext32
{
	__u32	oldmask[_COMPAT_NSIG_WORDS];
	__u32	sregs;				/* pointer */
};

/* asm/signal.h */

/* asm/ucontext.h */
struct ucontext32 {
	__u32			uc_flags;
	__u32			uc_link;	/* pointer */	
	compat_stack_t		uc_stack;
	_sigregs32		uc_mcontext;
	compat_sigset_t		uc_sigmask;
	/* Allow for uc_sigmask growth.  Glibc uses a 1024-bit sigset_t.  */
	unsigned char		__unused[128 - sizeof(compat_sigset_t)];
	_sigregs_ext32		uc_mcontext_ext;
};

struct stat64_emu31;
struct mmap_arg_struct_emu31;
struct fadvise64_64_args;

long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
long compat_sys_s390_setregid16(u16 rgid, u16 egid);
long compat_sys_s390_setgid16(u16 gid);
long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
long compat_sys_s390_setuid16(u16 uid);
long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
long compat_sys_s390_setfsuid16(u16 uid);
long compat_sys_s390_setfsgid16(u16 gid);
long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
long compat_sys_s390_getuid16(void);
long compat_sys_s390_geteuid16(void);
long compat_sys_s390_getgid16(void);
long compat_sys_s390_getegid16(void);
long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
long compat_sys_sigreturn(void);
long compat_sys_rt_sigreturn(void);

#endif /* _ASM_S390X_S390_H */
Commit	Line	Data
b2441318	1	/* SPDX-License-Identifier: GPL-2.0 */
1da177e4 LT	2	#ifndef _ASM_S390X_S390_H
	3	#define _ASM_S390X_S390_H
	4
1da177e4 LT	5	#include <linux/compat.h>
	6	#include <linux/socket.h>
	7	#include <linux/syscalls.h>
1da177e4 LT	8
	9	/* Macro that masks the high order bit of an 32 bit pointer and converts it*/
	10	/* to a 64 bit pointer */
	11	#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
	12	#define AA(__x) \
	13	((unsigned long)(__x))
	14
	15	/* Now 32bit compatibility types */
	16	struct ipc_kludge_32 {
	17	__u32 msgp; /* pointer */
	18	__s32 msgtyp;
	19	};
	20
1da177e4 LT	21	/* asm/sigcontext.h */
	22	typedef union
	23	{
	24	__u64 d;
	25	__u32 f;
	26	} freg_t32;
	27
	28	typedef struct
	29	{
	30	unsigned int fpc;
4725c860	31	unsigned int pad;
1da177e4 LT	32	freg_t32 fprs[__NUM_FPRS];
	33	} _s390_fp_regs32;
	34
	35	typedef struct
	36	{
	37	__u32 mask;
	38	__u32 addr;
	39	} _psw_t32 __attribute__ ((aligned(8)));
	40
1da177e4 LT	41	typedef struct
	42	{
	43	_psw_t32 psw;
	44	__u32 gprs[__NUM_GPRS];
	45	__u32 acrs[__NUM_ACRS];
	46	} _s390_regs_common32;
	47
	48	typedef struct
	49	{
	50	_s390_regs_common32 regs;
	51	_s390_fp_regs32 fpregs;
	52	} _sigregs32;
	53
80703617 MS	54	typedef struct
	55	{
	56	__u32 gprs_high[__NUM_GPRS];
	57	__u64 vxrs_low[__NUM_VXRS_LOW];
	58	__vector128 vxrs_high[__NUM_VXRS_HIGH];
	59	__u8 __reserved[128];
	60	} _sigregs_ext32;
	61
1da177e4 LT	62	#define _SIGCONTEXT_NSIG32 64
	63	#define _SIGCONTEXT_NSIG_BPW32 32
	64	#define __SIGNAL_FRAMESIZE32 96
	65	#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2)
	66
	67	struct sigcontext32
	68	{
	69	__u32 oldmask[_COMPAT_NSIG_WORDS];
	70	__u32 sregs; /* pointer */
	71	};
	72
	73	/* asm/signal.h */
1da177e4	74
1da177e4 LT	75	/* asm/ucontext.h */
	76	struct ucontext32 {
	77	__u32 uc_flags;
	78	__u32 uc_link; /* pointer */
e214125a	79	compat_stack_t uc_stack;
1da177e4	80	_sigregs32 uc_mcontext;
b9c9a33b MS	81	compat_sigset_t uc_sigmask;
	82	/* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
	83	unsigned char __unused[128 - sizeof(compat_sigset_t)];
80703617	84	_sigregs_ext32 uc_mcontext_ext;
1da177e4 LT	85	};
1da177e4 LT	86
a806170e HC	87	struct stat64_emu31;
	88	struct mmap_arg_struct_emu31;
	89	struct fadvise64_64_args;
a806170e	90
c6c0f58f HC	91	long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
	92	long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
	93	long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
	94	long compat_sys_s390_setregid16(u16 rgid, u16 egid);
	95	long compat_sys_s390_setgid16(u16 gid);
208096ee HC	96	long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
	97	long compat_sys_s390_setuid16(u16 uid);
	98	long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
	99	long compat_sys_s390_getresuid16(u16 __user ruid, u16 __user euid, u16 __user *suid);
	100	long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
4ca2ea58 HC	101	long compat_sys_s390_getresgid16(u16 __user rgid, u16 __user egid, u16 __user *sgid);
	102	long compat_sys_s390_setfsuid16(u16 uid);
	103	long compat_sys_s390_setfsgid16(u16 gid);
	104	long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
	105	long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
e723e0cc HC	106	long compat_sys_s390_getuid16(void);
	107	long compat_sys_s390_geteuid16(void);
	108	long compat_sys_s390_getgid16(void);
	109	long compat_sys_s390_getegid16(void);
	110	long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
52a0b536	111	long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
52a0b536 HC	112	long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
	113	long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
	114	long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
	115	long compat_sys_s390_stat64(const char __user filename, struct stat64_emu31 __user statbuf);
a0f8c6da HC	116	long compat_sys_s390_lstat64(const char __user filename, struct stat64_emu31 __user statbuf);
	117	long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
	118	long compat_sys_s390_fstatat64(unsigned int dfd, const char __user filename, struct stat64_emu31 __user statbuf, int flag);
	119	long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
	120	long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
5383d2c8 HC	121	long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
	122	long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
	123	long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
	124	long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
2c81fc4f HC	125	long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
2c81fc4f HC	126	long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
5b098c20 HC	127	long compat_sys_sigreturn(void);
5b098c20 HC	128	long compat_sys_rt_sigreturn(void);
2c81fc4f	129
1da177e4	130	#endif /* _ASM_S390X_S390_H */