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