xref: /freebsd/sys/sys/syscallsubr.h (revision 5d3e7166)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2002 Ian Dowse.  All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  *
27  * $FreeBSD$
28  */
29 
30 #ifndef _SYS_SYSCALLSUBR_H_
31 #define _SYS_SYSCALLSUBR_H_
32 
33 #include <sys/signal.h>
34 #include <sys/socket.h>
35 #include <sys/mac.h>
36 #include <sys/mount.h>
37 #include <sys/_cpuset.h>
38 #include <sys/_domainset.h>
39 #include <sys/_uio.h>
40 
41 struct __wrusage;
42 struct cpuset_copy_cb;
43 struct file;
44 struct filecaps;
45 enum idtype;
46 struct itimerval;
47 struct image_args;
48 struct jail;
49 struct kevent;
50 struct kevent_copyops;
51 struct kld_file_stat;
52 struct ksiginfo;
53 struct mbuf;
54 struct msghdr;
55 struct msqid_ds;
56 struct pollfd;
57 struct ogetdirentries_args;
58 struct rlimit;
59 struct rusage;
60 struct sched_param;
61 struct sembuf;
62 union semun;
63 struct sockaddr;
64 struct spacectl_range;
65 struct stat;
66 struct thr_param;
67 struct timex;
68 struct uio;
69 struct vm_map;
70 struct vmspace;
71 
72 typedef int (*mmap_check_fp_fn)(struct file *, int, int, int);
73 
74 struct mmap_req {
75 	vm_offset_t		mr_hint;
76 	vm_size_t		mr_len;
77 	int			mr_prot;
78 	int			mr_flags;
79 	int			mr_fd;
80 	off_t			mr_pos;
81 	mmap_check_fp_fn	mr_check_fp_fn;
82 };
83 
84 int	kern___getcwd(struct thread *td, char *buf, enum uio_seg bufseg,
85 	    size_t buflen, size_t path_max);
86 int	kern_abort2(struct thread *td, const char *why, int nargs,
87 	    void **uargs);
88 int	kern_accept(struct thread *td, int s, struct sockaddr **name,
89 	    socklen_t *namelen, struct file **fp);
90 int	kern_accept4(struct thread *td, int s, struct sockaddr **name,
91 	    socklen_t *namelen, int flags, struct file **fp);
92 int	kern_accessat(struct thread *td, int fd, const char *path,
93 	    enum uio_seg pathseg, int flags, int mode);
94 int	kern_adjtime(struct thread *td, struct timeval *delta,
95 	    struct timeval *olddelta);
96 int	kern_alternate_path(const char *prefix, const char *path,
97 	    enum uio_seg pathseg, char **pathbuf, int create, int dirfd);
98 int	kern_bindat(struct thread *td, int dirfd, int fd, struct sockaddr *sa);
99 int	kern_break(struct thread *td, uintptr_t *addr);
100 int	kern_cap_ioctls_limit(struct thread *td, int fd, u_long *cmds,
101 	    size_t ncmds);
102 int	kern_cap_rights_limit(struct thread *td, int fd, cap_rights_t *rights);
103 int	kern_chdir(struct thread *td, const char *path, enum uio_seg pathseg);
104 int	kern_clock_getcpuclockid2(struct thread *td, id_t id, int which,
105 	    clockid_t *clk_id);
106 int	kern_clock_getres(struct thread *td, clockid_t clock_id,
107 	    struct timespec *ts);
108 int	kern_clock_gettime(struct thread *td, clockid_t clock_id,
109 	    struct timespec *ats);
110 int	kern_clock_nanosleep(struct thread *td, clockid_t clock_id, int flags,
111 	    const struct timespec *rqtp, struct timespec *rmtp);
112 int	kern_clock_settime(struct thread *td, clockid_t clock_id,
113 	    struct timespec *ats);
114 void	kern_thread_cputime(struct thread *targettd, struct timespec *ats);
115 void	kern_process_cputime(struct proc *targetp, struct timespec *ats);
116 int	kern_close_range(struct thread *td, int flags, u_int lowfd, u_int highfd);
117 int	kern_close(struct thread *td, int fd);
118 int	kern_connectat(struct thread *td, int dirfd, int fd,
119 	    struct sockaddr *sa);
120 int	kern_copy_file_range(struct thread *td, int infd, off_t *inoffp,
121 	    int outfd, off_t *outoffp, size_t len, unsigned int flags);
122 int	user_cpuset_getaffinity(struct thread *td, cpulevel_t level,
123 	    cpuwhich_t which, id_t id, size_t cpusetsize, cpuset_t *maskp,
124 	    const struct cpuset_copy_cb *cb);
125 int	kern_cpuset_getaffinity(struct thread *td, cpulevel_t level,
126 	    cpuwhich_t which, id_t id, size_t cpusetsize, cpuset_t *mask);
127 int	kern_cpuset_setaffinity(struct thread *td, cpulevel_t level,
128 	    cpuwhich_t which, id_t id, cpuset_t *maskp);
129 int	user_cpuset_setaffinity(struct thread *td, cpulevel_t level,
130 	    cpuwhich_t which, id_t id, size_t cpusetsize,
131 	    const cpuset_t *maskp, const struct cpuset_copy_cb *cb);
132 int	kern_cpuset_getdomain(struct thread *td, cpulevel_t level,
133 	    cpuwhich_t which, id_t id, size_t domainsetsize,
134 	    domainset_t *maskp, int *policyp, const struct cpuset_copy_cb *cb);
135 int	kern_cpuset_setdomain(struct thread *td, cpulevel_t level,
136 	    cpuwhich_t which, id_t id, size_t domainsetsize,
137 	    const domainset_t *maskp, int policy, const struct cpuset_copy_cb *cb);
138 int	kern_cpuset_getid(struct thread *td, cpulevel_t level,
139 	    cpuwhich_t which, id_t id, cpusetid_t *setid);
140 int	kern_cpuset_setid(struct thread *td, cpuwhich_t which,
141 	    id_t id, cpusetid_t setid);
142 int	kern_dup(struct thread *td, u_int mode, int flags, int old, int new);
143 int	kern_execve(struct thread *td, struct image_args *args,
144 	    struct mac *mac_p, struct vmspace *oldvmspace);
145 int	kern_fchmodat(struct thread *td, int fd, const char *path,
146 	    enum uio_seg pathseg, mode_t mode, int flag);
147 int	kern_fchownat(struct thread *td, int fd, const char *path,
148 	    enum uio_seg pathseg, int uid, int gid, int flag);
149 int	kern_fcntl(struct thread *td, int fd, int cmd, intptr_t arg);
150 int	kern_fcntl_freebsd(struct thread *td, int fd, int cmd, long arg);
151 int	kern_fhopen(struct thread *td, const struct fhandle *u_fhp, int flags);
152 int	kern_fhstat(struct thread *td, fhandle_t fh, struct stat *buf);
153 int	kern_fhstatfs(struct thread *td, fhandle_t fh, struct statfs *buf);
154 int	kern_fpathconf(struct thread *td, int fd, int name, long *valuep);
155 int	kern_freebsd11_getfsstat(struct thread *td,
156 	    struct freebsd11_statfs *ubuf, long bufsize, int mode);
157 int	kern_fstat(struct thread *td, int fd, struct stat *sbp);
158 int	kern_fstatfs(struct thread *td, int fd, struct statfs *buf);
159 int	kern_fsync(struct thread *td, int fd, bool fullsync);
160 int	kern_ftruncate(struct thread *td, int fd, off_t length);
161 int	kern_futimes(struct thread *td, int fd, const struct timeval *tptr,
162 	    enum uio_seg tptrseg);
163 int	kern_futimens(struct thread *td, int fd, const struct timespec *tptr,
164 	    enum uio_seg tptrseg);
165 int	kern_getdirentries(struct thread *td, int fd, char *buf, size_t count,
166 	    off_t *basep, ssize_t *residp, enum uio_seg bufseg);
167 int	kern_getfhat(struct thread *td, int flags, int fd, const char *path,
168 	    enum uio_seg pathseg, fhandle_t *fhp, enum uio_seg fhseg);
169 int	kern_getfsstat(struct thread *td, struct statfs **buf, size_t bufsize,
170 	    size_t *countp, enum uio_seg bufseg, int mode);
171 int	kern_getitimer(struct thread *, u_int, struct itimerval *);
172 int	kern_getppid(struct thread *);
173 int	kern_getpeername(struct thread *td, int fd, struct sockaddr **sa,
174 	    socklen_t *alen);
175 int	kern_getpriority(struct thread *td, int which, int who);
176 int	kern_getrusage(struct thread *td, int who, struct rusage *rup);
177 int	kern_getsid(struct thread *td, pid_t pid);
178 int	kern_getsockname(struct thread *td, int fd, struct sockaddr **sa,
179 	    socklen_t *alen);
180 int	kern_getsockopt(struct thread *td, int s, int level, int name,
181 	    void *optval, enum uio_seg valseg, socklen_t *valsize);
182 int	kern_ioctl(struct thread *td, int fd, u_long com, caddr_t data);
183 int	kern_jail(struct thread *td, struct jail *j);
184 int	kern_jail_get(struct thread *td, struct uio *options, int flags);
185 int	kern_jail_set(struct thread *td, struct uio *options, int flags);
186 int	kern_kevent(struct thread *td, int fd, int nchanges, int nevents,
187 	    struct kevent_copyops *k_ops, const struct timespec *timeout);
188 int	kern_kevent_anonymous(struct thread *td, int nevents,
189 	    struct kevent_copyops *k_ops);
190 int	kern_kevent_fp(struct thread *td, struct file *fp, int nchanges,
191 	    int nevents, struct kevent_copyops *k_ops,
192 	    const struct timespec *timeout);
193 int	kern_kill(struct thread *td, pid_t pid, int signum);
194 int	kern_kqueue(struct thread *td, int flags, struct filecaps *fcaps);
195 int	kern_kldload(struct thread *td, const char *file, int *fileid);
196 int	kern_kldstat(struct thread *td, int fileid, struct kld_file_stat *stat);
197 int	kern_kldunload(struct thread *td, int fileid, int flags);
198 int	kern_linkat(struct thread *td, int fd1, int fd2, const char *path1,
199 	    const char *path2, enum uio_seg segflg, int flag);
200 int	kern_listen(struct thread *td, int s, int backlog);
201 int	kern_lseek(struct thread *td, int fd, off_t offset, int whence);
202 int	kern_lutimes(struct thread *td, const char *path, enum uio_seg pathseg,
203 	    const struct timeval *tptr, enum uio_seg tptrseg);
204 int	kern_madvise(struct thread *td, uintptr_t addr, size_t len, int behav);
205 int	kern_mincore(struct thread *td, uintptr_t addr, size_t len, char *vec);
206 int	kern_minherit(struct thread *td, uintptr_t addr, size_t len,
207 	    int inherit);
208 int	kern_mkdirat(struct thread *td, int fd, const char *path,
209 	    enum uio_seg segflg, int mode);
210 int	kern_mkfifoat(struct thread *td, int fd, const char *path,
211 	    enum uio_seg pathseg, int mode);
212 int	kern_mknodat(struct thread *td, int fd, const char *path,
213 	    enum uio_seg pathseg, int mode, dev_t dev);
214 int	kern_mlock(struct proc *proc, struct ucred *cred, uintptr_t addr,
215 	    size_t len);
216 int	kern_mmap(struct thread *td, const struct mmap_req *mrp);
217 int	kern_mmap_racct_check(struct thread *td, struct vm_map *map,
218 	    vm_size_t size);
219 int	kern_mmap_maxprot(struct proc *p, int prot);
220 int	kern_mprotect(struct thread *td, uintptr_t addr, size_t size, int prot);
221 int	kern_msgctl(struct thread *, int, int, struct msqid_ds *);
222 int	kern_msgrcv(struct thread *, int, void *, size_t, long, int, long *);
223 int	kern_msgsnd(struct thread *, int, const void *, size_t, int, long);
224 int	kern_msync(struct thread *td, uintptr_t addr, size_t size, int flags);
225 int	kern_munlock(struct thread *td, uintptr_t addr, size_t size);
226 int	kern_munmap(struct thread *td, uintptr_t addr, size_t size);
227 int     kern_nanosleep(struct thread *td, struct timespec *rqt,
228 	    struct timespec *rmt);
229 int	kern_ntp_adjtime(struct thread *td, struct timex *ntv, int *retvalp);
230 int	kern_ogetdirentries(struct thread *td, struct ogetdirentries_args *uap,
231 	    long *ploff);
232 int	kern_ommap(struct thread *td, uintptr_t hint, int len, int oprot,
233 	    int oflags, int fd, long pos);
234 int	kern_openat(struct thread *td, int fd, const char *path,
235 	    enum uio_seg pathseg, int flags, int mode);
236 int	kern_pathconf(struct thread *td, const char *path,
237 	    enum uio_seg pathseg, int name, u_long flags, long *valuep);
238 int	kern_pipe(struct thread *td, int fildes[2], int flags,
239 	    struct filecaps *fcaps1, struct filecaps *fcaps2);
240 int	kern_poll(struct thread *td, struct pollfd *fds, u_int nfds,
241 	    struct timespec *tsp, sigset_t *uset);
242 int	kern_poll_kfds(struct thread *td, struct pollfd *fds, u_int nfds,
243 	    struct timespec *tsp, sigset_t *uset);
244 bool	kern_poll_maxfds(u_int nfds);
245 int	kern_posix_error(struct thread *td, int error);
246 int	kern_posix_fadvise(struct thread *td, int fd, off_t offset, off_t len,
247 	    int advice);
248 int	kern_posix_fallocate(struct thread *td, int fd, off_t offset,
249 	    off_t len);
250 int	kern_fspacectl(struct thread *td, int fd, int cmd,
251 	    const struct spacectl_range *, int flags, struct spacectl_range *);
252 int	kern_procctl(struct thread *td, enum idtype idtype, id_t id, int com,
253 	    void *data);
254 int	kern_pread(struct thread *td, int fd, void *buf, size_t nbyte,
255 	    off_t offset);
256 int	kern_preadv(struct thread *td, int fd, struct uio *auio, off_t offset);
257 int	kern_pselect(struct thread *td, int nd, fd_set *in, fd_set *ou,
258 	    fd_set *ex, struct timeval *tvp, sigset_t *uset, int abi_nfdbits);
259 int	kern_ptrace(struct thread *td, int req, pid_t pid, void *addr,
260 	    int data);
261 int	kern_pwrite(struct thread *td, int fd, const void *buf, size_t nbyte,
262 	    off_t offset);
263 int	kern_pwritev(struct thread *td, int fd, struct uio *auio, off_t offset);
264 int	kern_readlinkat(struct thread *td, int fd, const char *path,
265 	    enum uio_seg pathseg, char *buf, enum uio_seg bufseg, size_t count);
266 int	kern_readv(struct thread *td, int fd, struct uio *auio);
267 int	kern_recvit(struct thread *td, int s, struct msghdr *mp,
268 	    enum uio_seg fromseg, struct mbuf **controlp);
269 int	kern_renameat(struct thread *td, int oldfd, const char *old, int newfd,
270 	    const char *new, enum uio_seg pathseg);
271 int	kern_frmdirat(struct thread *td, int dfd, const char *path, int fd,
272 	    enum uio_seg pathseg, int flag);
273 int	kern_sched_getparam(struct thread *td, struct thread *targettd,
274 	    struct sched_param *param);
275 int	kern_sched_getscheduler(struct thread *td, struct thread *targettd,
276 	    int *policy);
277 int	kern_sched_setparam(struct thread *td, struct thread *targettd,
278 	    struct sched_param *param);
279 int	kern_sched_setscheduler(struct thread *td, struct thread *targettd,
280 	    int policy, struct sched_param *param);
281 int	kern_sched_rr_get_interval(struct thread *td, pid_t pid,
282 	    struct timespec *ts);
283 int	kern_sched_rr_get_interval_td(struct thread *td, struct thread *targettd,
284 	    struct timespec *ts);
285 int	kern_semctl(struct thread *td, int semid, int semnum, int cmd,
286 	    union semun *arg, register_t *rval);
287 int	kern_select(struct thread *td, int nd, fd_set *fd_in, fd_set *fd_ou,
288 	    fd_set *fd_ex, struct timeval *tvp, int abi_nfdbits);
289 int	kern_sendit(struct thread *td, int s, struct msghdr *mp, int flags,
290 	    struct mbuf *control, enum uio_seg segflg);
291 int	kern_setgroups(struct thread *td, u_int ngrp, gid_t *groups);
292 int	kern_setitimer(struct thread *, u_int, struct itimerval *,
293 	    struct itimerval *);
294 int	kern_setpriority(struct thread *td, int which, int who, int prio);
295 int	kern_setrlimit(struct thread *, u_int, struct rlimit *);
296 int	kern_setsockopt(struct thread *td, int s, int level, int name,
297 	    const void *optval, enum uio_seg valseg, socklen_t valsize);
298 int	kern_settimeofday(struct thread *td, struct timeval *tv,
299 	    struct timezone *tzp);
300 int	kern_shm_open(struct thread *td, const char *userpath, int flags,
301 	    mode_t mode, struct filecaps *fcaps);
302 int	kern_shm_open2(struct thread *td, const char *path, int flags,
303 	    mode_t mode, int shmflags, struct filecaps *fcaps,
304 	    const char *name);
305 int	kern_shmat(struct thread *td, int shmid, const void *shmaddr,
306 	    int shmflg);
307 int	kern_shmctl(struct thread *td, int shmid, int cmd, void *buf,
308 	    size_t *bufsz);
309 int	kern_shutdown(struct thread *td, int s, int how);
310 int	kern_sigaction(struct thread *td, int sig, const struct sigaction *act,
311 	    struct sigaction *oact, int flags);
312 int	kern_sigaltstack(struct thread *td, stack_t *ss, stack_t *oss);
313 int	kern_sigprocmask(struct thread *td, int how,
314 	    sigset_t *set, sigset_t *oset, int flags);
315 int	kern_sigsuspend(struct thread *td, sigset_t mask);
316 int	kern_sigtimedwait(struct thread *td, sigset_t waitset,
317 	    struct ksiginfo *ksi, struct timespec *timeout);
318 int	kern_sigqueue(struct thread *td, pid_t pid, int signum,
319 	    union sigval *value);
320 int	kern_socket(struct thread *td, int domain, int type, int protocol);
321 int	kern_statat(struct thread *td, int flag, int fd, const char *path,
322 	    enum uio_seg pathseg, struct stat *sbp,
323 	    void (*hook)(struct vnode *vp, struct stat *sbp));
324 int	kern_specialfd(struct thread *td, int type, void *arg);
325 int	kern_statfs(struct thread *td, const char *path, enum uio_seg pathseg,
326 	    struct statfs *buf);
327 int	kern_symlinkat(struct thread *td, const char *path1, int fd,
328 	    const char *path2, enum uio_seg segflg);
329 int	kern_sync(struct thread *td);
330 int	kern_ktimer_create(struct thread *td, clockid_t clock_id,
331 	    struct sigevent *evp, int *timerid, int preset_id);
332 int	kern_ktimer_delete(struct thread *, int);
333 int	kern_ktimer_settime(struct thread *td, int timer_id, int flags,
334 	    struct itimerspec *val, struct itimerspec *oval);
335 int	kern_ktimer_gettime(struct thread *td, int timer_id,
336 	    struct itimerspec *val);
337 int	kern_ktimer_getoverrun(struct thread *td, int timer_id);
338 int	kern_semop(struct thread *td, int usemid, struct sembuf *usops,
339 	    size_t nsops, struct timespec *timeout);
340 int	kern_thr_alloc(struct proc *, int pages, struct thread **);
341 int	kern_thr_exit(struct thread *td);
342 int	kern_thr_new(struct thread *td, struct thr_param *param);
343 int	kern_thr_suspend(struct thread *td, struct timespec *tsp);
344 int	kern_truncate(struct thread *td, const char *path,
345 	    enum uio_seg pathseg, off_t length);
346 int	kern_funlinkat(struct thread *td, int dfd, const char *path, int fd,
347 	    enum uio_seg pathseg, int flag, ino_t oldinum);
348 int	kern_utimesat(struct thread *td, int fd, const char *path,
349 	    enum uio_seg pathseg, const struct timeval *tptr,
350 	    enum uio_seg tptrseg);
351 int	kern_utimensat(struct thread *td, int fd, const char *path,
352 	    enum uio_seg pathseg, const struct timespec *tptr,
353 	    enum uio_seg tptrseg, int flag);
354 int	kern_wait(struct thread *td, pid_t pid, int *status, int options,
355 	    struct rusage *rup);
356 int	kern_wait6(struct thread *td, enum idtype idtype, id_t id, int *status,
357 	    int options, struct __wrusage *wrup, siginfo_t *sip);
358 int	kern_writev(struct thread *td, int fd, struct uio *auio);
359 int	kern_socketpair(struct thread *td, int domain, int type, int protocol,
360 	    int *rsv);
361 int	kern_unmount(struct thread *td, const char *path, int flags);
362 
363 /* flags for kern_sigaction */
364 #define	KSA_OSIGSET	0x0001	/* uses osigact_t */
365 #define	KSA_FREEBSD4	0x0002	/* uses ucontext4 */
366 
367 struct freebsd11_dirent;
368 
369 int	freebsd11_kern_getdirentries(struct thread *td, int fd, char *ubuf, u_int
370 	    count, long *basep, void (*func)(struct freebsd11_dirent *));
371 
372 #endif /* !_SYS_SYSCALLSUBR_H_ */
373