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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#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
20struct old_sigaction32 {
21 __u32 sa_handler; /* Really a pointer, but need to deal with 32 bits */
22 compat_old_sigset_t sa_mask; /* A 32 bit mask */
23 __u32 sa_flags;
24 __u32 sa_restorer; /* Another 32 bit pointer */
25};
26
27typedef struct compat_siginfo {
28 int si_signo;
29 int si_errno;
30 int si_code;
31
32 union {
33 int _pad[((128/sizeof(int)) - 3)];
34
35 /* kill() */
36 struct {
37 pid_t _pid; /* sender's pid */
38 uid_t _uid; /* sender's uid */
39 } _kill;
40
41 /* POSIX.1b timers */
42 struct {
43 compat_timer_t _tid; /* timer id */
44 int _overrun; /* overrun count */
45 compat_sigval_t _sigval; /* same as below */
46 int _sys_private; /* not to be passed to user */
47 } _timer;
48
49 /* POSIX.1b signals */
50 struct {
51 pid_t _pid; /* sender's pid */
52 uid_t _uid; /* sender's uid */
53 compat_sigval_t _sigval;
54 } _rt;
55
56 /* SIGCHLD */
57 struct {
58 pid_t _pid; /* which child */
59 uid_t _uid; /* sender's uid */
60 int _status;/* exit code */
61 compat_clock_t _utime;
62 compat_clock_t _stime;
63 } _sigchld;
64
65 /* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
66 struct {
67 __u32 _addr; /* faulting insn/memory ref. - pointer */
68 } _sigfault;
69
70 /* SIGPOLL */
71 struct {
72 int _band; /* POLL_IN, POLL_OUT, POLL_MSG */
73 int _fd;
74 } _sigpoll;
75 } _sifields;
76} compat_siginfo_t;
77
78/*
79 * How these fields are to be accessed.
80 */
81#define si_pid _sifields._kill._pid
82#define si_uid _sifields._kill._uid
83#define si_status _sifields._sigchld._status
84#define si_utime _sifields._sigchld._utime
85#define si_stime _sifields._sigchld._stime
86#define si_value _sifields._rt._sigval
87#define si_int _sifields._rt._sigval.sival_int
88#define si_ptr _sifields._rt._sigval.sival_ptr
89#define si_addr _sifields._sigfault._addr
90#define si_band _sifields._sigpoll._band
91#define si_fd _sifields._sigpoll._fd
92#define si_tid _sifields._timer._tid
93#define si_overrun _sifields._timer._overrun
94
95/* asm/sigcontext.h */
96typedef union
97{
98 __u64 d;
99 __u32 f;
100} freg_t32;
101
102typedef struct
103{
104 unsigned int fpc;
105 freg_t32 fprs[__NUM_FPRS];
106} _s390_fp_regs32;
107
108typedef struct
109{
110 __u32 mask;
111 __u32 addr;
112} _psw_t32 __attribute__ ((aligned(8)));
113
114typedef struct
115{
116 _psw_t32 psw;
117 __u32 gprs[__NUM_GPRS];
118 __u32 acrs[__NUM_ACRS];
119} _s390_regs_common32;
120
121typedef struct
122{
123 _s390_regs_common32 regs;
124 _s390_fp_regs32 fpregs;
125} _sigregs32;
126
127#define _SIGCONTEXT_NSIG32 64
128#define _SIGCONTEXT_NSIG_BPW32 32
129#define __SIGNAL_FRAMESIZE32 96
130#define _SIGMASK_COPY_SIZE32 (sizeof(u32)*2)
131
132struct sigcontext32
133{
134 __u32 oldmask[_COMPAT_NSIG_WORDS];
135 __u32 sregs; /* pointer */
136};
137
138/* asm/signal.h */
139struct sigaction32 {
140 __u32 sa_handler; /* pointer */
141 __u32 sa_flags;
142 __u32 sa_restorer; /* pointer */
143 compat_sigset_t sa_mask; /* mask last for extensibility */
144};
145
146typedef struct {
147 __u32 ss_sp; /* pointer */
148 int ss_flags;
149 compat_size_t ss_size;
150} stack_t32;
151
152/* asm/ucontext.h */
153struct ucontext32 {
154 __u32 uc_flags;
155 __u32 uc_link; /* pointer */
156 stack_t32 uc_stack;
157 _sigregs32 uc_mcontext;
158 compat_sigset_t uc_sigmask; /* mask last for extensibility */
159};
160
161struct stat64_emu31;
162struct mmap_arg_struct_emu31;
163struct fadvise64_64_args;
164struct old_sigaction32;
165struct old_sigaction32;
166
167long sys32_chown16(const char __user * filename, u16 user, u16 group);
168long sys32_lchown16(const char __user * filename, u16 user, u16 group);
169long sys32_fchown16(unsigned int fd, u16 user, u16 group);
170long sys32_setregid16(u16 rgid, u16 egid);
171long sys32_setgid16(u16 gid);
172long sys32_setreuid16(u16 ruid, u16 euid);
173long sys32_setuid16(u16 uid);
174long sys32_setresuid16(u16 ruid, u16 euid, u16 suid);
175long sys32_getresuid16(u16 __user *ruid, u16 __user *euid, u16 __user *suid);
176long sys32_setresgid16(u16 rgid, u16 egid, u16 sgid);
177long sys32_getresgid16(u16 __user *rgid, u16 __user *egid, u16 __user *sgid);
178long sys32_setfsuid16(u16 uid);
179long sys32_setfsgid16(u16 gid);
180long sys32_getgroups16(int gidsetsize, u16 __user *grouplist);
181long sys32_setgroups16(int gidsetsize, u16 __user *grouplist);
182long sys32_getuid16(void);
183long sys32_geteuid16(void);
184long sys32_getgid16(void);
185long sys32_getegid16(void);
186long sys32_ipc(u32 call, int first, int second, int third, u32 ptr);
187long sys32_truncate64(const char __user * path, unsigned long high,
188 unsigned long low);
189long sys32_ftruncate64(unsigned int fd, unsigned long high, unsigned long low);
190long sys32_sched_rr_get_interval(compat_pid_t pid,
191 struct compat_timespec __user *interval);
192long sys32_rt_sigprocmask(int how, compat_sigset_t __user *set,
193 compat_sigset_t __user *oset, size_t sigsetsize);
194long sys32_rt_sigpending(compat_sigset_t __user *set, size_t sigsetsize);
195long sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo);
196long sys32_execve(const char __user *name, compat_uptr_t __user *argv,
197 compat_uptr_t __user *envp);
198long sys32_init_module(void __user *umod, unsigned long len,
199 const char __user *uargs);
200long sys32_delete_module(const char __user *name_user, unsigned int flags);
201long sys32_pread64(unsigned int fd, char __user *ubuf, size_t count,
202 u32 poshi, u32 poslo);
203long sys32_pwrite64(unsigned int fd, const char __user *ubuf,
204 size_t count, u32 poshi, u32 poslo);
205compat_ssize_t sys32_readahead(int fd, u32 offhi, u32 offlo, s32 count);
206long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset,
207 size_t count);
208long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset,
209 s32 count);
210long sys32_stat64(const char __user * filename, struct stat64_emu31 __user * statbuf);
211long sys32_lstat64(const char __user * filename,
212 struct stat64_emu31 __user * statbuf);
213long sys32_fstat64(unsigned long fd, struct stat64_emu31 __user * statbuf);
214long sys32_fstatat64(unsigned int dfd, const char __user *filename,
215 struct stat64_emu31 __user* statbuf, int flag);
216unsigned long old32_mmap(struct mmap_arg_struct_emu31 __user *arg);
217long sys32_mmap2(struct mmap_arg_struct_emu31 __user *arg);
218long sys32_read(unsigned int fd, char __user * buf, size_t count);
219long sys32_write(unsigned int fd, const char __user * buf, size_t count);
220long sys32_fadvise64(int fd, loff_t offset, size_t len, int advise);
221long sys32_fadvise64_64(struct fadvise64_64_args __user *args);
222long sys32_sigaction(int sig, const struct old_sigaction32 __user *act,
223 struct old_sigaction32 __user *oact);
224long sys32_rt_sigaction(int sig, const struct sigaction32 __user *act,
225 struct sigaction32 __user *oact, size_t sigsetsize);
226long sys32_sigaltstack(const stack_t32 __user *uss, stack_t32 __user *uoss);
227#endif /* _ASM_S390X_S390_H */