xref: /freebsd/sys/i386/linux/linux.h (revision a930718a)
1 /*-
2  * Copyright (c) 1994-1996 S�ren Schmidt
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer
10  *    in this position and unchanged.
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  * 3. The name of the author may not be used to endorse or promote products
15  *    derived from this software without specific prior written permission
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _I386_LINUX_H_
32 #define	_I386_LINUX_H_
33 
34 #include <sys/signal.h>	/* for sigval union */
35 
36 #include <i386/linux/linux_syscall.h>
37 
38 /*
39  * debugging support
40  */
41 extern u_char linux_debug_map[];
42 #define	ldebug(name)	isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
43 #define	ARGS(nm, fmt)	"linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
44 #define	LMSG(fmt)	"linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
45 
46 #ifdef MALLOC_DECLARE
47 MALLOC_DECLARE(M_LINUX);
48 #endif
49 
50 #define	LINUX_SHAREDPAGE	(VM_MAXUSER_ADDRESS - PAGE_SIZE)
51 #define	LINUX_USRSTACK		LINUX_SHAREDPAGE
52 
53 #define	PTRIN(v)	(void *)(v)
54 #define	PTROUT(v)	(l_uintptr_t)(v)
55 
56 /*
57  * Provide a separate set of types for the Linux types.
58  */
59 typedef int		l_int;
60 typedef int32_t		l_long;
61 typedef int64_t		l_longlong;
62 typedef short		l_short;
63 typedef unsigned int	l_uint;
64 typedef uint32_t	l_ulong;
65 typedef uint64_t	l_ulonglong;
66 typedef unsigned short	l_ushort;
67 
68 typedef char		*l_caddr_t;
69 typedef l_ulong		l_uintptr_t;
70 typedef l_long		l_clock_t;
71 typedef l_int		l_daddr_t;
72 typedef l_ushort	l_dev_t;
73 typedef l_uint		l_gid_t;
74 typedef l_ushort	l_gid16_t;
75 typedef l_ulong		l_ino_t;
76 typedef l_int		l_key_t;
77 typedef l_longlong	l_loff_t;
78 typedef l_ushort	l_mode_t;
79 typedef l_long		l_off_t;
80 typedef l_int		l_pid_t;
81 typedef l_uint		l_size_t;
82 typedef l_long		l_suseconds_t;
83 typedef l_long		l_time_t;
84 typedef l_uint		l_uid_t;
85 typedef l_ushort	l_uid16_t;
86 typedef l_int		l_timer_t;
87 typedef l_int		l_mqd_t;
88 
89 typedef struct {
90 	l_int		val[2];
91 } l_fsid_t;
92 
93 typedef struct {
94 	l_time_t	tv_sec;
95 	l_suseconds_t	tv_usec;
96 } l_timeval;
97 
98 #define	l_fd_set	fd_set
99 
100 /*
101  * Miscellaneous
102  */
103 #define	LINUX_NAME_MAX		255
104 #define	LINUX_MAX_UTSNAME	65
105 
106 #define	LINUX_CTL_MAXNAME	10
107 
108 #define LINUX_AT_COUNT		16	/* Count of used aux entry types.
109 					 * Keep this synchronized with
110 					 * elf_linux_fixup() code.
111 					 */
112 struct l___sysctl_args
113 {
114 	l_int		*name;
115 	l_int		nlen;
116 	void		*oldval;
117 	l_size_t	*oldlenp;
118 	void		*newval;
119 	l_size_t	newlen;
120 	l_ulong		__spare[4];
121 };
122 
123 /* Scheduling policies */
124 #define	LINUX_SCHED_OTHER	0
125 #define	LINUX_SCHED_FIFO	1
126 #define	LINUX_SCHED_RR		2
127 
128 /* Resource limits */
129 #define	LINUX_RLIMIT_CPU	0
130 #define	LINUX_RLIMIT_FSIZE	1
131 #define	LINUX_RLIMIT_DATA	2
132 #define	LINUX_RLIMIT_STACK	3
133 #define	LINUX_RLIMIT_CORE	4
134 #define	LINUX_RLIMIT_RSS	5
135 #define	LINUX_RLIMIT_NPROC	6
136 #define	LINUX_RLIMIT_NOFILE	7
137 #define	LINUX_RLIMIT_MEMLOCK	8
138 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
139 
140 #define	LINUX_RLIM_NLIMITS	10
141 
142 struct l_rlimit {
143 	l_ulong rlim_cur;
144 	l_ulong rlim_max;
145 };
146 
147 /* mmap options */
148 #define	LINUX_MAP_SHARED	0x0001
149 #define	LINUX_MAP_PRIVATE	0x0002
150 #define	LINUX_MAP_FIXED		0x0010
151 #define	LINUX_MAP_ANON		0x0020
152 #define	LINUX_MAP_GROWSDOWN	0x0100
153 
154 struct l_mmap_argv {
155 	l_uintptr_t	addr;
156 	l_size_t	len;
157 	l_int		prot;
158 	l_int		flags;
159 	l_int		fd;
160 	l_off_t		pgoff;
161 } __packed;
162 
163 /*
164  * stat family of syscalls
165  */
166 struct l_timespec {
167 	l_time_t	tv_sec;
168 	l_long		tv_nsec;
169 };
170 
171 struct l_newstat {
172 	l_ushort	st_dev;
173 	l_ushort	__pad1;
174 	l_ulong		st_ino;
175 	l_ushort	st_mode;
176 	l_ushort	st_nlink;
177 	l_ushort	st_uid;
178 	l_ushort	st_gid;
179 	l_ushort	st_rdev;
180 	l_ushort	__pad2;
181 	l_ulong		st_size;
182 	l_ulong		st_blksize;
183 	l_ulong		st_blocks;
184 	struct l_timespec	st_atim;
185 	struct l_timespec	st_mtim;
186 	struct l_timespec	st_ctim;
187 	l_ulong		__unused4;
188 	l_ulong		__unused5;
189 };
190 
191 struct l_stat {
192 	l_ushort	st_dev;
193 	l_ulong		st_ino;
194 	l_ushort	st_mode;
195 	l_ushort	st_nlink;
196 	l_ushort	st_uid;
197 	l_ushort	st_gid;
198 	l_ushort	st_rdev;
199 	l_long		st_size;
200 	struct l_timespec	st_atim;
201 	struct l_timespec	st_mtim;
202 	struct l_timespec	st_ctim;
203 	l_long		st_blksize;
204 	l_long		st_blocks;
205 	l_ulong		st_flags;
206 	l_ulong		st_gen;
207 };
208 
209 struct l_stat64 {
210 	l_ushort	st_dev;
211 	u_char		__pad0[10];
212 	l_ulong		__st_ino;
213 	l_uint		st_mode;
214 	l_uint		st_nlink;
215 	l_ulong		st_uid;
216 	l_ulong		st_gid;
217 	l_ushort	st_rdev;
218 	u_char		__pad3[10];
219 	l_longlong	st_size;
220 	l_ulong		st_blksize;
221 	l_ulong		st_blocks;
222 	l_ulong		__pad4;
223 	struct l_timespec	st_atim;
224 	struct l_timespec	st_mtim;
225 	struct l_timespec	st_ctim;
226 	l_ulonglong	st_ino;
227 };
228 
229 struct l_statfs64 {
230         l_int           f_type;
231         l_int           f_bsize;
232         uint64_t        f_blocks;
233         uint64_t        f_bfree;
234         uint64_t        f_bavail;
235         uint64_t        f_files;
236         uint64_t        f_ffree;
237         l_fsid_t        f_fsid;
238         l_int           f_namelen;
239         l_int           f_spare[6];
240 };
241 
242 struct l_new_utsname {
243 	char	sysname[LINUX_MAX_UTSNAME];
244 	char	nodename[LINUX_MAX_UTSNAME];
245 	char	release[LINUX_MAX_UTSNAME];
246 	char	version[LINUX_MAX_UTSNAME];
247 	char	machine[LINUX_MAX_UTSNAME];
248 	char	domainname[LINUX_MAX_UTSNAME];
249 };
250 
251 /*
252  * Signalling
253  */
254 #define	LINUX_SIGHUP		1
255 #define	LINUX_SIGINT		2
256 #define	LINUX_SIGQUIT		3
257 #define	LINUX_SIGILL		4
258 #define	LINUX_SIGTRAP		5
259 #define	LINUX_SIGABRT		6
260 #define	LINUX_SIGIOT		LINUX_SIGABRT
261 #define	LINUX_SIGBUS		7
262 #define	LINUX_SIGFPE		8
263 #define	LINUX_SIGKILL		9
264 #define	LINUX_SIGUSR1		10
265 #define	LINUX_SIGSEGV		11
266 #define	LINUX_SIGUSR2		12
267 #define	LINUX_SIGPIPE		13
268 #define	LINUX_SIGALRM		14
269 #define	LINUX_SIGTERM		15
270 #define	LINUX_SIGSTKFLT		16
271 #define	LINUX_SIGCHLD		17
272 #define	LINUX_SIGCONT		18
273 #define	LINUX_SIGSTOP		19
274 #define	LINUX_SIGTSTP		20
275 #define	LINUX_SIGTTIN		21
276 #define	LINUX_SIGTTOU		22
277 #define	LINUX_SIGURG		23
278 #define	LINUX_SIGXCPU		24
279 #define	LINUX_SIGXFSZ		25
280 #define	LINUX_SIGVTALRM		26
281 #define	LINUX_SIGPROF		27
282 #define	LINUX_SIGWINCH		28
283 #define	LINUX_SIGIO		29
284 #define	LINUX_SIGPOLL		LINUX_SIGIO
285 #define	LINUX_SIGPWR		30
286 #define	LINUX_SIGSYS		31
287 #define	LINUX_SIGRTMIN		32
288 
289 #define	LINUX_SIGTBLSZ		31
290 #define	LINUX_NSIG_WORDS	2
291 #define	LINUX_NBPW		32
292 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
293 
294 /* sigaction flags */
295 #define	LINUX_SA_NOCLDSTOP	0x00000001
296 #define	LINUX_SA_NOCLDWAIT	0x00000002
297 #define	LINUX_SA_SIGINFO	0x00000004
298 #define	LINUX_SA_RESTORER	0x04000000
299 #define	LINUX_SA_ONSTACK	0x08000000
300 #define	LINUX_SA_RESTART	0x10000000
301 #define	LINUX_SA_INTERRUPT	0x20000000
302 #define	LINUX_SA_NOMASK		0x40000000
303 #define	LINUX_SA_ONESHOT	0x80000000
304 
305 /* sigprocmask actions */
306 #define	LINUX_SIG_BLOCK		0
307 #define	LINUX_SIG_UNBLOCK	1
308 #define	LINUX_SIG_SETMASK	2
309 
310 /* sigset_t macros */
311 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
312 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
313 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
314 
315 /* sigaltstack */
316 #define	LINUX_MINSIGSTKSZ	2048
317 #define	LINUX_SS_ONSTACK	1
318 #define	LINUX_SS_DISABLE	2
319 
320 int linux_to_bsd_sigaltstack(int lsa);
321 int bsd_to_linux_sigaltstack(int bsa);
322 
323 typedef void	(*l_handler_t)(l_int);
324 typedef l_ulong	l_osigset_t;
325 
326 typedef struct {
327 	l_uint	__bits[LINUX_NSIG_WORDS];
328 } l_sigset_t;
329 
330 typedef struct {
331 	l_handler_t	lsa_handler;
332 	l_osigset_t	lsa_mask;
333 	l_ulong		lsa_flags;
334 	void	(*lsa_restorer)(void);
335 } l_osigaction_t;
336 
337 typedef struct {
338 	l_handler_t	lsa_handler;
339 	l_ulong		lsa_flags;
340 	void	(*lsa_restorer)(void);
341 	l_sigset_t	lsa_mask;
342 } l_sigaction_t;
343 
344 typedef struct {
345 	void		*ss_sp;
346 	l_int		ss_flags;
347 	l_size_t	ss_size;
348 } l_stack_t;
349 
350 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
351 struct l_sigcontext {
352 	l_int		sc_gs;
353 	l_int		sc_fs;
354 	l_int		sc_es;
355 	l_int		sc_ds;
356 	l_int		sc_edi;
357 	l_int		sc_esi;
358 	l_int		sc_ebp;
359 	l_int		sc_esp;
360 	l_int		sc_ebx;
361 	l_int		sc_edx;
362 	l_int		sc_ecx;
363 	l_int		sc_eax;
364 	l_int		sc_trapno;
365 	l_int		sc_err;
366 	l_int		sc_eip;
367 	l_int		sc_cs;
368 	l_int		sc_eflags;
369 	l_int		sc_esp_at_signal;
370 	l_int		sc_ss;
371 	l_int		sc_387;
372 	l_int		sc_mask;
373 	l_int		sc_cr2;
374 };
375 
376 struct l_ucontext {
377 	l_ulong		uc_flags;
378 	void		*uc_link;
379 	l_stack_t	uc_stack;
380 	struct l_sigcontext	uc_mcontext;
381 	l_sigset_t	uc_sigmask;
382 };
383 
384 #define	LINUX_SI_MAX_SIZE	128
385 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
386 
387 typedef union l_sigval {
388 	l_int		sival_int;
389 	l_uintptr_t	sival_ptr;
390 } l_sigval_t;
391 
392 typedef struct l_siginfo {
393 	l_int		lsi_signo;
394 	l_int		lsi_errno;
395 	l_int		lsi_code;
396 	union {
397 		l_int	_pad[LINUX_SI_PAD_SIZE];
398 
399 		struct {
400 			l_pid_t		_pid;
401 			l_uid_t		_uid;
402 		} _kill;
403 
404 		struct {
405 			l_timer_t	_tid;
406 			l_int		_overrun;
407 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
408 			l_sigval_t	_sigval;
409 			l_int		_sys_private;
410 		} _timer;
411 
412 		struct {
413 			l_pid_t		_pid;		/* sender's pid */
414 			l_uid_t		_uid;		/* sender's uid */
415 			l_sigval_t	_sigval;
416 		} _rt;
417 
418 		struct {
419 			l_pid_t		_pid;		/* which child */
420 			l_uid_t		_uid;		/* sender's uid */
421 			l_int		_status;	/* exit code */
422 			l_clock_t	_utime;
423 			l_clock_t	_stime;
424 		} _sigchld;
425 
426 		struct {
427 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
428 		} _sigfault;
429 
430 		struct {
431 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
432 			l_int		_fd;
433 		} _sigpoll;
434 	} _sifields;
435 } l_siginfo_t;
436 
437 #define	lsi_pid		_sifields._kill._pid
438 #define	lsi_uid		_sifields._kill._uid
439 #define	lsi_tid		_sifields._timer._tid
440 #define	lsi_overrun	_sifields._timer._overrun
441 #define	lsi_sys_private	_sifields._timer._sys_private
442 #define	lsi_status	_sifields._sigchld._status
443 #define	lsi_utime	_sifields._sigchld._utime
444 #define	lsi_stime	_sifields._sigchld._stime
445 #define	lsi_value	_sifields._rt._sigval
446 #define	lsi_int		_sifields._rt._sigval.sival_int
447 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
448 #define	lsi_addr	_sifields._sigfault._addr
449 #define	lsi_band	_sifields._sigpoll._band
450 #define	lsi_fd		_sifields._sigpoll._fd
451 
452 struct l_fpreg {
453 	u_int16_t	significand[4];
454 	u_int16_t	exponent;
455 };
456 
457 struct l_fpxreg {
458 	u_int16_t	significand[4];
459 	u_int16_t	exponent;
460 	u_int16_t	padding[3];
461 };
462 
463 struct l_xmmreg {
464 	u_int32_t	element[4];
465 };
466 
467 struct l_fpstate {
468 	/* Regular FPU environment */
469 	u_int32_t		cw;
470 	u_int32_t		sw;
471 	u_int32_t		tag;
472 	u_int32_t		ipoff;
473 	u_int32_t		cssel;
474 	u_int32_t		dataoff;
475 	u_int32_t		datasel;
476 	struct l_fpreg		_st[8];
477 	u_int16_t		status;
478 	u_int16_t		magic;		/* 0xffff = regular FPU data */
479 
480 	/* FXSR FPU environment */
481 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
482 	u_int32_t		mxcsr;
483 	u_int32_t		reserved;
484 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
485 	struct l_xmmreg		_xmm[8];
486 	u_int32_t		padding[56];
487 };
488 
489 /*
490  * We make the stack look like Linux expects it when calling a signal
491  * handler, but use the BSD way of calling the handler and sigreturn().
492  * This means that we need to pass the pointer to the handler too.
493  * It is appended to the frame to not interfere with the rest of it.
494  */
495 struct l_sigframe {
496 	l_int			sf_sig;
497 	struct l_sigcontext	sf_sc;
498 	struct l_fpstate	sf_fpstate;
499 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
500 	l_handler_t		sf_handler;
501 };
502 
503 struct l_rt_sigframe {
504 	l_int			sf_sig;
505 	l_siginfo_t 		*sf_siginfo;
506 	struct l_ucontext	*sf_ucontext;
507 	l_siginfo_t		sf_si;
508 	struct l_ucontext 	sf_sc;
509 	l_handler_t 		sf_handler;
510 };
511 
512 extern int bsd_to_linux_signal[];
513 extern int linux_to_bsd_signal[];
514 extern struct sysentvec linux_sysvec;
515 extern struct sysentvec elf_linux_sysvec;
516 
517 /*
518  * Pluggable ioctl handlers
519  */
520 struct linux_ioctl_args;
521 struct thread;
522 
523 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
524 
525 struct linux_ioctl_handler {
526 	linux_ioctl_function_t *func;
527 	int	low, high;
528 };
529 
530 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
531 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
532 
533 /*
534  * open/fcntl flags
535  */
536 #define	LINUX_O_RDONLY		00000000
537 #define	LINUX_O_WRONLY		00000001
538 #define	LINUX_O_RDWR		00000002
539 #define	LINUX_O_ACCMODE		00000003
540 #define	LINUX_O_CREAT		00000100
541 #define	LINUX_O_EXCL		00000200
542 #define	LINUX_O_NOCTTY		00000400
543 #define	LINUX_O_TRUNC		00001000
544 #define	LINUX_O_APPEND		00002000
545 #define	LINUX_O_NONBLOCK	00004000
546 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
547 #define	LINUX_O_SYNC		00010000
548 #define	LINUX_FASYNC		00020000
549 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
550 #define	LINUX_O_LARGEFILE	00100000
551 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
552 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
553 #define	LINUX_O_NOATIME		01000000
554 #define	LINUX_O_CLOEXEC		02000000
555 
556 #define	LINUX_F_DUPFD		0
557 #define	LINUX_F_GETFD		1
558 #define	LINUX_F_SETFD		2
559 #define	LINUX_F_GETFL		3
560 #define	LINUX_F_SETFL		4
561 #define	LINUX_F_GETLK		5
562 #define	LINUX_F_SETLK		6
563 #define	LINUX_F_SETLKW		7
564 #define	LINUX_F_SETOWN		8
565 #define	LINUX_F_GETOWN		9
566 
567 #define	LINUX_F_GETLK64		12
568 #define	LINUX_F_SETLK64		13
569 #define	LINUX_F_SETLKW64	14
570 
571 #define	LINUX_F_RDLCK		0
572 #define	LINUX_F_WRLCK		1
573 #define	LINUX_F_UNLCK		2
574 
575 /*
576  * mount flags
577  */
578 #define	LINUX_MS_RDONLY		0x0001
579 #define	LINUX_MS_NOSUID		0x0002
580 #define	LINUX_MS_NODEV		0x0004
581 #define	LINUX_MS_NOEXEC		0x0008
582 #define	LINUX_MS_REMOUNT	0x0020
583 
584 /*
585  * SystemV IPC defines
586  */
587 #define	LINUX_SEMOP		1
588 #define	LINUX_SEMGET		2
589 #define	LINUX_SEMCTL		3
590 #define	LINUX_MSGSND		11
591 #define	LINUX_MSGRCV		12
592 #define	LINUX_MSGGET		13
593 #define	LINUX_MSGCTL		14
594 #define	LINUX_SHMAT		21
595 #define	LINUX_SHMDT		22
596 #define	LINUX_SHMGET		23
597 #define	LINUX_SHMCTL		24
598 
599 #define	LINUX_IPC_RMID		0
600 #define	LINUX_IPC_SET		1
601 #define	LINUX_IPC_STAT		2
602 #define	LINUX_IPC_INFO		3
603 
604 #define	LINUX_SHM_LOCK		11
605 #define	LINUX_SHM_UNLOCK	12
606 #define	LINUX_SHM_STAT		13
607 #define	LINUX_SHM_INFO		14
608 
609 #define	LINUX_SHM_RDONLY	0x1000
610 #define	LINUX_SHM_RND		0x2000
611 #define	LINUX_SHM_REMAP		0x4000
612 
613 /* semctl commands */
614 #define	LINUX_GETPID		11
615 #define	LINUX_GETVAL		12
616 #define	LINUX_GETALL		13
617 #define	LINUX_GETNCNT		14
618 #define	LINUX_GETZCNT		15
619 #define	LINUX_SETVAL		16
620 #define	LINUX_SETALL		17
621 #define	LINUX_SEM_STAT		18
622 #define	LINUX_SEM_INFO		19
623 
624 union l_semun {
625 	l_int		val;
626 	struct l_semid_ds	*buf;
627 	l_ushort	*array;
628 	struct l_seminfo	*__buf;
629 	void		*__pad;
630 };
631 
632 /*
633  * Socket defines
634  */
635 #define	LINUX_SOCKET 		1
636 #define	LINUX_BIND		2
637 #define	LINUX_CONNECT 		3
638 #define	LINUX_LISTEN 		4
639 #define	LINUX_ACCEPT 		5
640 #define	LINUX_GETSOCKNAME	6
641 #define	LINUX_GETPEERNAME	7
642 #define	LINUX_SOCKETPAIR	8
643 #define	LINUX_SEND		9
644 #define	LINUX_RECV		10
645 #define	LINUX_SENDTO 		11
646 #define	LINUX_RECVFROM 		12
647 #define	LINUX_SHUTDOWN 		13
648 #define	LINUX_SETSOCKOPT	14
649 #define	LINUX_GETSOCKOPT	15
650 #define	LINUX_SENDMSG		16
651 #define	LINUX_RECVMSG		17
652 #define	LINUX_ACCEPT4		18
653 
654 #define	LINUX_SOL_SOCKET	1
655 #define	LINUX_SOL_IP		0
656 #define	LINUX_SOL_IPX		256
657 #define	LINUX_SOL_AX25		257
658 #define	LINUX_SOL_TCP		6
659 #define	LINUX_SOL_UDP		17
660 
661 #define	LINUX_SO_DEBUG		1
662 #define	LINUX_SO_REUSEADDR	2
663 #define	LINUX_SO_TYPE		3
664 #define	LINUX_SO_ERROR		4
665 #define	LINUX_SO_DONTROUTE	5
666 #define	LINUX_SO_BROADCAST	6
667 #define	LINUX_SO_SNDBUF		7
668 #define	LINUX_SO_RCVBUF		8
669 #define	LINUX_SO_KEEPALIVE	9
670 #define	LINUX_SO_OOBINLINE	10
671 #define	LINUX_SO_NO_CHECK	11
672 #define	LINUX_SO_PRIORITY	12
673 #define	LINUX_SO_LINGER		13
674 #define	LINUX_SO_PEERCRED	17
675 #define	LINUX_SO_RCVLOWAT	18
676 #define	LINUX_SO_SNDLOWAT	19
677 #define	LINUX_SO_RCVTIMEO	20
678 #define	LINUX_SO_SNDTIMEO	21
679 #define	LINUX_SO_TIMESTAMP	29
680 #define	LINUX_SO_ACCEPTCONN	30
681 
682 #define	LINUX_IP_TOS		1
683 #define	LINUX_IP_TTL		2
684 #define	LINUX_IP_HDRINCL	3
685 #define	LINUX_IP_OPTIONS	4
686 
687 #define	LINUX_IP_MULTICAST_IF		32
688 #define	LINUX_IP_MULTICAST_TTL		33
689 #define	LINUX_IP_MULTICAST_LOOP		34
690 #define	LINUX_IP_ADD_MEMBERSHIP		35
691 #define	LINUX_IP_DROP_MEMBERSHIP	36
692 
693 struct l_sockaddr {
694 	l_ushort	sa_family;
695 	char		sa_data[14];
696 };
697 
698 struct l_msghdr {
699 	l_uintptr_t	msg_name;
700 	l_int		msg_namelen;
701 	l_uintptr_t	msg_iov;
702 	l_size_t	msg_iovlen;
703 	l_uintptr_t	msg_control;
704 	l_size_t	msg_controllen;
705 	l_uint		msg_flags;
706 };
707 
708 struct l_cmsghdr {
709 	l_size_t	cmsg_len;
710 	l_int		cmsg_level;
711 	l_int		cmsg_type;
712 };
713 
714 struct l_ifmap {
715 	l_ulong		mem_start;
716 	l_ulong		mem_end;
717 	l_ushort	base_addr;
718 	u_char		irq;
719 	u_char		dma;
720 	u_char		port;
721 };
722 
723 #define	LINUX_IFHWADDRLEN	6
724 #define	LINUX_IFNAMSIZ		16
725 
726 struct l_ifreq {
727 	union {
728 		char	ifrn_name[LINUX_IFNAMSIZ];
729 	} ifr_ifrn;
730 
731 	union {
732 		struct l_sockaddr	ifru_addr;
733 		struct l_sockaddr	ifru_dstaddr;
734 		struct l_sockaddr	ifru_broadaddr;
735 		struct l_sockaddr	ifru_netmask;
736 		struct l_sockaddr	ifru_hwaddr;
737 		l_short		ifru_flags[1];
738 		l_int		ifru_metric;
739 		l_int		ifru_mtu;
740 		struct l_ifmap	ifru_map;
741 		char		ifru_slave[LINUX_IFNAMSIZ];
742 		l_caddr_t	ifru_data;
743 	} ifr_ifru;
744 };
745 
746 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
747 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
748 
749 /*
750  * poll()
751  */
752 #define	LINUX_POLLIN		0x0001
753 #define	LINUX_POLLPRI		0x0002
754 #define	LINUX_POLLOUT		0x0004
755 #define	LINUX_POLLERR		0x0008
756 #define	LINUX_POLLHUP		0x0010
757 #define	LINUX_POLLNVAL		0x0020
758 #define	LINUX_POLLRDNORM	0x0040
759 #define	LINUX_POLLRDBAND	0x0080
760 #define	LINUX_POLLWRNORM	0x0100
761 #define	LINUX_POLLWRBAND	0x0200
762 #define	LINUX_POLLMSG		0x0400
763 
764 struct l_pollfd {
765 	l_int		fd;
766 	l_short		events;
767 	l_short		revents;
768 };
769 
770 struct l_user_desc {
771 	l_uint		entry_number;
772 	l_uint		base_addr;
773 	l_uint		limit;
774 	l_uint		seg_32bit:1;
775 	l_uint		contents:2;
776 	l_uint		read_exec_only:1;
777 	l_uint		limit_in_pages:1;
778 	l_uint		seg_not_present:1;
779 	l_uint		useable:1;
780 };
781 
782 struct l_desc_struct {
783 	unsigned long	a, b;
784 };
785 
786 
787 #define	LINUX_LOWERWORD	0x0000ffff
788 
789 /*
790  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
791  * These convert Linux user space descriptor to machine one.
792  */
793 #define	LINUX_LDT_entry_a(info)					\
794 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
795 	((info)->limit & LINUX_LOWERWORD))
796 
797 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
798 #define	LINUX_ENTRY_B_CONTENTS		10
799 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
800 #define	LINUX_ENTRY_B_BASE_ADDR		16
801 #define	LINUX_ENTRY_B_USEABLE		20
802 #define	LINUX_ENTRY_B_SEG32BIT		22
803 #define	LINUX_ENTRY_B_LIMIT		23
804 
805 #define	LINUX_LDT_entry_b(info)							\
806 	(((info)->base_addr & 0xff000000) |					\
807 	((info)->limit & 0xf0000) |						\
808 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
809 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
810 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
811 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
812 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
813 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
814 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
815 
816 #define	LINUX_LDT_empty(info)		\
817 	((info)->base_addr == 0 &&	\
818 	(info)->limit == 0 &&		\
819 	(info)->contents == 0 &&	\
820 	(info)->seg_not_present == 1 &&	\
821 	(info)->read_exec_only == 1 &&	\
822 	(info)->seg_32bit == 0 &&	\
823 	(info)->limit_in_pages == 0 &&	\
824 	(info)->useable == 0)
825 
826 /*
827  * Macros for converting segments.
828  * They do the same as those in arch/i386/kernel/process.c in Linux.
829  */
830 #define	LINUX_GET_BASE(desc)				\
831 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
832 	(((desc)->b << 16) & 0x00ff0000) |		\
833 	((desc)->b & 0xff000000))
834 
835 #define	LINUX_GET_LIMIT(desc)			\
836 	(((desc)->a & LINUX_LOWERWORD) |	\
837 	((desc)->b & 0xf0000))
838 
839 #define	LINUX_GET_32BIT(desc)		\
840 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
841 #define	LINUX_GET_CONTENTS(desc)	\
842 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
843 #define	LINUX_GET_WRITABLE(desc)	\
844 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
845 #define	LINUX_GET_LIMIT_PAGES(desc)	\
846 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
847 #define	LINUX_GET_PRESENT(desc)		\
848 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
849 #define	LINUX_GET_USEABLE(desc)		\
850 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
851 
852 #define	LINUX_CLOCK_REALTIME		0
853 #define	LINUX_CLOCK_MONOTONIC		1
854 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
855 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
856 #define	LINUX_CLOCK_REALTIME_HR		4
857 #define	LINUX_CLOCK_MONOTONIC_HR	5
858 
859 #define	LINUX_CLONE_VM			0x00000100
860 #define	LINUX_CLONE_FS			0x00000200
861 #define	LINUX_CLONE_FILES		0x00000400
862 #define	LINUX_CLONE_SIGHAND		0x00000800
863 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
864 #define	LINUX_CLONE_VFORK		0x00004000
865 #define	LINUX_CLONE_PARENT		0x00008000
866 #define	LINUX_CLONE_THREAD		0x00010000
867 #define	LINUX_CLONE_SETTLS		0x00080000
868 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
869 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
870 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
871 
872 #define	LINUX_THREADING_FLAGS					\
873 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
874 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
875 
876 /* robust futexes */
877 struct linux_robust_list {
878 	struct linux_robust_list	*next;
879 };
880 
881 struct linux_robust_list_head {
882 	struct linux_robust_list	list;
883 	l_long				futex_offset;
884 	struct linux_robust_list	*pending_list;
885 };
886 
887 int linux_set_upcall_kse(struct thread *td, register_t stack);
888 int linux_set_cloned_tls(struct thread *td, void *desc);
889 
890 #endif /* !_I386_LINUX_H_ */
891