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1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_S390X_S390_H
3#define _ASM_S390X_S390_H
4
5#include <linux/compat.h>
6#include <linux/socket.h>
7#include <linux/syscalls.h>
8#include <asm/ptrace.h>
9
10/*
11 * Macro that masks the high order bit of a 32 bit pointer and
12 * converts it to a 64 bit pointer.
13 */
14#define A(__x) ((unsigned long)((__x) & 0x7FFFFFFFUL))
15#define AA(__x) ((unsigned long)(__x))
16
17/* Now 32bit compatibility types */
18struct ipc_kludge_32 {
19 __u32 msgp; /* pointer */
20 __s32 msgtyp;
21};
22
23/* asm/sigcontext.h */
24typedef union {
25 __u64 d;
26 __u32 f;
27} freg_t32;
28
29typedef struct {
30 unsigned int fpc;
31 unsigned int pad;
32 freg_t32 fprs[__NUM_FPRS];
33} _s390_fp_regs32;
34
35typedef struct {
36 psw_t32 psw;
37 __u32 gprs[__NUM_GPRS];
38 __u32 acrs[__NUM_ACRS];
39} _s390_regs_common32;
40
41typedef struct {
42 _s390_regs_common32 regs;
43 _s390_fp_regs32 fpregs;
44} _sigregs32;
45
46typedef struct {
47 __u32 gprs_high[__NUM_GPRS];
48 __u64 vxrs_low[__NUM_VXRS_LOW];
49 __vector128 vxrs_high[__NUM_VXRS_HIGH];
50 __u8 __reserved[128];
51} _sigregs_ext32;
52
53#define _SIGCONTEXT_NSIG32 64
54#define _SIGCONTEXT_NSIG_BPW32 32
55#define __SIGNAL_FRAMESIZE32 96
56#define _SIGMASK_COPY_SIZE32 (sizeof(u32) * 2)
57
58struct sigcontext32 {
59 __u32 oldmask[_COMPAT_NSIG_WORDS];
60 __u32 sregs; /* pointer */
61};
62
63/* asm/signal.h */
64
65/* asm/ucontext.h */
66struct ucontext32 {
67 __u32 uc_flags;
68 __u32 uc_link; /* pointer */
69 compat_stack_t uc_stack;
70 _sigregs32 uc_mcontext;
71 compat_sigset_t uc_sigmask;
72 /* Allow for uc_sigmask growth. Glibc uses a 1024-bit sigset_t. */
73 unsigned char __unused[128 - sizeof(compat_sigset_t)];
74 _sigregs_ext32 uc_mcontext_ext;
75};
76
77struct stat64_emu31;
78struct mmap_arg_struct_emu31;
79struct fadvise64_64_args;
80
81long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
82long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
83long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
84long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
85long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
86long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
87long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
88long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
89long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
90long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
91long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
92long compat_sys_s390_read(unsigned int fd, char __user *buf, compat_size_t count);
93long compat_sys_s390_write(unsigned int fd, const char __user *buf, compat_size_t count);
94long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
95long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
96long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
97long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
98long compat_sys_sigreturn(void);
99long compat_sys_rt_sigreturn(void);
100
101#endif /* _ASM_S390X_S390_H */
1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _ASM_S390X_S390_H
3#define _ASM_S390X_S390_H
4
5#include <linux/compat.h>
6#include <linux/socket.h>
7#include <linux/syscalls.h>
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 */
16struct ipc_kludge_32 {
17 __u32 msgp; /* pointer */
18 __s32 msgtyp;
19};
20
21/* asm/sigcontext.h */
22typedef union
23{
24 __u64 d;
25 __u32 f;
26} freg_t32;
27
28typedef struct
29{
30 unsigned int fpc;
31 unsigned int pad;
32 freg_t32 fprs[__NUM_FPRS];
33} _s390_fp_regs32;
34
35typedef struct
36{
37 __u32 mask;
38 __u32 addr;
39} _psw_t32 __attribute__ ((aligned(8)));
40
41typedef struct
42{
43 _psw_t32 psw;
44 __u32 gprs[__NUM_GPRS];
45 __u32 acrs[__NUM_ACRS];
46} _s390_regs_common32;
47
48typedef struct
49{
50 _s390_regs_common32 regs;
51 _s390_fp_regs32 fpregs;
52} _sigregs32;
53
54typedef 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
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
67struct sigcontext32
68{
69 __u32 oldmask[_COMPAT_NSIG_WORDS];
70 __u32 sregs; /* pointer */
71};
72
73/* asm/signal.h */
74
75/* asm/ucontext.h */
76struct ucontext32 {
77 __u32 uc_flags;
78 __u32 uc_link; /* pointer */
79 compat_stack_t uc_stack;
80 _sigregs32 uc_mcontext;
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)];
84 _sigregs_ext32 uc_mcontext_ext;
85};
86
87struct stat64_emu31;
88struct mmap_arg_struct_emu31;
89struct fadvise64_64_args;
90
91long compat_sys_s390_chown16(const char __user *filename, u16 user, u16 group);
92long compat_sys_s390_lchown16(const char __user *filename, u16 user, u16 group);
93long compat_sys_s390_fchown16(unsigned int fd, u16 user, u16 group);
94long compat_sys_s390_setregid16(u16 rgid, u16 egid);
95long compat_sys_s390_setgid16(u16 gid);
96long compat_sys_s390_setreuid16(u16 ruid, u16 euid);
97long compat_sys_s390_setuid16(u16 uid);
98long compat_sys_s390_setresuid16(u16 ruid, u16 euid, u16 suid);
99long compat_sys_s390_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
100long compat_sys_s390_setresgid16(u16 rgid, u16 egid, u16 sgid);
101long compat_sys_s390_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
102long compat_sys_s390_setfsuid16(u16 uid);
103long compat_sys_s390_setfsgid16(u16 gid);
104long compat_sys_s390_getgroups16(int gidsetsize, u16 __user *grouplist);
105long compat_sys_s390_setgroups16(int gidsetsize, u16 __user *grouplist);
106long compat_sys_s390_getuid16(void);
107long compat_sys_s390_geteuid16(void);
108long compat_sys_s390_getgid16(void);
109long compat_sys_s390_getegid16(void);
110long compat_sys_s390_truncate64(const char __user *path, u32 high, u32 low);
111long compat_sys_s390_ftruncate64(unsigned int fd, u32 high, u32 low);
112long compat_sys_s390_pread64(unsigned int fd, char __user *ubuf, compat_size_t count, u32 high, u32 low);
113long compat_sys_s390_pwrite64(unsigned int fd, const char __user *ubuf, compat_size_t count, u32 high, u32 low);
114long compat_sys_s390_readahead(int fd, u32 high, u32 low, s32 count);
115long compat_sys_s390_stat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
116long compat_sys_s390_lstat64(const char __user *filename, struct stat64_emu31 __user *statbuf);
117long compat_sys_s390_fstat64(unsigned int fd, struct stat64_emu31 __user *statbuf);
118long compat_sys_s390_fstatat64(unsigned int dfd, const char __user *filename, struct stat64_emu31 __user *statbuf, int flag);
119long compat_sys_s390_old_mmap(struct mmap_arg_struct_emu31 __user *arg);
120long compat_sys_s390_mmap2(struct mmap_arg_struct_emu31 __user *arg);
121long compat_sys_s390_read(unsigned int fd, char __user * buf, compat_size_t count);
122long compat_sys_s390_write(unsigned int fd, const char __user * buf, compat_size_t count);
123long compat_sys_s390_fadvise64(int fd, u32 high, u32 low, compat_size_t len, int advise);
124long compat_sys_s390_fadvise64_64(struct fadvise64_64_args __user *args);
125long compat_sys_s390_sync_file_range(int fd, u32 offhigh, u32 offlow, u32 nhigh, u32 nlow, unsigned int flags);
126long compat_sys_s390_fallocate(int fd, int mode, u32 offhigh, u32 offlow, u32 lenhigh, u32 lenlow);
127long compat_sys_sigreturn(void);
128long compat_sys_rt_sigreturn(void);
129
130#endif /* _ASM_S390X_S390_H */