xref: /freebsd/sys/i386/linux/linux.h (revision 10931a46)
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_LINUX_H_
32 #define	_I386_LINUX_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	PTRIN(v)	(void *)(v)
51 #define	PTROUT(v)	(l_uintptr_t)(v)
52 
53 /*
54  * Provide a separate set of types for the Linux types.
55  */
56 typedef int		l_int;
57 typedef int32_t		l_long;
58 typedef int64_t		l_longlong;
59 typedef short		l_short;
60 typedef unsigned int	l_uint;
61 typedef uint32_t	l_ulong;
62 typedef uint64_t	l_ulonglong;
63 typedef unsigned short	l_ushort;
64 
65 typedef char		*l_caddr_t;
66 typedef l_ulong		l_uintptr_t;
67 typedef l_long		l_clock_t;
68 typedef l_int		l_daddr_t;
69 typedef l_ushort	l_dev_t;
70 typedef l_uint		l_gid_t;
71 typedef l_ushort	l_gid16_t;
72 typedef l_ulong		l_ino_t;
73 typedef l_int		l_key_t;
74 typedef l_longlong	l_loff_t;
75 typedef l_ushort	l_mode_t;
76 typedef l_long		l_off_t;
77 typedef l_int		l_pid_t;
78 typedef l_uint		l_size_t;
79 typedef l_long		l_suseconds_t;
80 typedef l_long		l_time_t;
81 typedef l_uint		l_uid_t;
82 typedef l_ushort	l_uid16_t;
83 
84 typedef struct {
85 	l_int		val[2];
86 } l_fsid_t;
87 
88 typedef struct {
89 	l_time_t	tv_sec;
90 	l_suseconds_t	tv_usec;
91 } l_timeval;
92 
93 #define	l_fd_set	fd_set
94 
95 /*
96  * Miscellaneous
97  */
98 #define	LINUX_NAME_MAX		255
99 #define	LINUX_MAX_UTSNAME	65
100 
101 #define	LINUX_CTL_MAXNAME	10
102 
103 struct l___sysctl_args
104 {
105 	l_int		*name;
106 	l_int		nlen;
107 	void		*oldval;
108 	l_size_t	*oldlenp;
109 	void		*newval;
110 	l_size_t	newlen;
111 	l_ulong		__spare[4];
112 };
113 
114 /* Scheduling policies */
115 #define	LINUX_SCHED_OTHER	0
116 #define	LINUX_SCHED_FIFO	1
117 #define	LINUX_SCHED_RR		2
118 
119 /* Resource limits */
120 #define	LINUX_RLIMIT_CPU	0
121 #define	LINUX_RLIMIT_FSIZE	1
122 #define	LINUX_RLIMIT_DATA	2
123 #define	LINUX_RLIMIT_STACK	3
124 #define	LINUX_RLIMIT_CORE	4
125 #define	LINUX_RLIMIT_RSS	5
126 #define	LINUX_RLIMIT_NPROC	6
127 #define	LINUX_RLIMIT_NOFILE	7
128 #define	LINUX_RLIMIT_MEMLOCK	8
129 #define	LINUX_RLIMIT_AS		9       /* address space limit */
130 
131 #define	LINUX_RLIM_NLIMITS	10
132 
133 struct l_rlimit {
134 	l_ulong rlim_cur;
135 	l_ulong rlim_max;
136 };
137 
138 /* mmap options */
139 #define	LINUX_MAP_SHARED	0x0001
140 #define	LINUX_MAP_PRIVATE	0x0002
141 #define	LINUX_MAP_FIXED		0x0010
142 #define	LINUX_MAP_ANON		0x0020
143 #define	LINUX_MAP_GROWSDOWN	0x0100
144 
145 struct l_mmap_argv {
146 	l_uintptr_t	addr;
147 	l_size_t	len;
148 	l_int		prot;
149 	l_int		flags;
150 	l_int		fd;
151 	l_off_t		pgoff;
152 } __packed;
153 
154 /*
155  * stat family of syscalls
156  */
157 struct l_timespec {
158 	l_time_t	tv_sec;
159 	l_long		tv_nsec;
160 };
161 
162 struct l_newstat {
163 	l_ushort	st_dev;
164 	l_ushort	__pad1;
165 	l_ulong		st_ino;
166 	l_ushort	st_mode;
167 	l_ushort	st_nlink;
168 	l_ushort	st_uid;
169 	l_ushort	st_gid;
170 	l_ushort	st_rdev;
171 	l_ushort	__pad2;
172 	l_ulong		st_size;
173 	l_ulong		st_blksize;
174 	l_ulong		st_blocks;
175 	struct l_timespec	st_atimespec;
176 	struct l_timespec	st_mtimespec;
177 	struct l_timespec	st_ctimespec;
178 	l_ulong		__unused4;
179 	l_ulong		__unused5;
180 };
181 
182 struct l_stat {
183 	l_ushort        st_dev;
184 	l_ulong         st_ino;
185 	l_ushort        st_mode;
186 	l_ushort        st_nlink;
187 	l_ushort        st_uid;
188 	l_ushort        st_gid;
189 	l_ushort        st_rdev;
190 	l_long          st_size;
191 	struct l_timespec       st_atimespec;
192 	struct l_timespec       st_mtimespec;
193 	struct l_timespec       st_ctimespec;
194 	l_long          st_blksize;
195 	l_long          st_blocks;
196 	l_ulong         st_flags;
197 	l_ulong         st_gen;
198 };
199 
200 struct l_stat64 {
201 	l_ushort	st_dev;
202 	u_char		__pad0[10];
203 	l_ulong		__st_ino;
204 	l_uint		st_mode;
205 	l_uint		st_nlink;
206 	l_ulong		st_uid;
207 	l_ulong		st_gid;
208 	l_ushort	st_rdev;
209 	u_char		__pad3[10];
210 	l_longlong	st_size;
211 	l_ulong		st_blksize;
212 	l_ulong		st_blocks;
213 	l_ulong		__pad4;
214 	struct l_timespec	st_atimespec;
215 	struct l_timespec	st_mtimespec;
216 	struct l_timespec	st_ctimespec;
217 	l_ulonglong	st_ino;
218 };
219 
220 struct l_new_utsname {
221 	char	sysname[LINUX_MAX_UTSNAME];
222 	char	nodename[LINUX_MAX_UTSNAME];
223 	char	release[LINUX_MAX_UTSNAME];
224 	char	version[LINUX_MAX_UTSNAME];
225 	char	machine[LINUX_MAX_UTSNAME];
226 	char	domainname[LINUX_MAX_UTSNAME];
227 };
228 
229 /*
230  * Signalling
231  */
232 #define	LINUX_SIGHUP		1
233 #define	LINUX_SIGINT		2
234 #define	LINUX_SIGQUIT		3
235 #define	LINUX_SIGILL		4
236 #define	LINUX_SIGTRAP		5
237 #define	LINUX_SIGABRT		6
238 #define	LINUX_SIGIOT		LINUX_SIGABRT
239 #define	LINUX_SIGBUS		7
240 #define	LINUX_SIGFPE		8
241 #define	LINUX_SIGKILL		9
242 #define	LINUX_SIGUSR1		10
243 #define	LINUX_SIGSEGV		11
244 #define	LINUX_SIGUSR2		12
245 #define	LINUX_SIGPIPE		13
246 #define	LINUX_SIGALRM		14
247 #define	LINUX_SIGTERM		15
248 #define	LINUX_SIGSTKFLT		16
249 #define	LINUX_SIGCHLD		17
250 #define	LINUX_SIGCONT		18
251 #define	LINUX_SIGSTOP		19
252 #define	LINUX_SIGTSTP		20
253 #define	LINUX_SIGTTIN		21
254 #define	LINUX_SIGTTOU		22
255 #define	LINUX_SIGURG		23
256 #define	LINUX_SIGXCPU		24
257 #define	LINUX_SIGXFSZ		25
258 #define	LINUX_SIGVTALRM		26
259 #define	LINUX_SIGPROF		27
260 #define	LINUX_SIGWINCH		28
261 #define	LINUX_SIGIO		29
262 #define	LINUX_SIGPOLL		LINUX_SIGIO
263 #define	LINUX_SIGPWR		30
264 #define	LINUX_SIGSYS		31
265 
266 #define	LINUX_SIGTBLSZ		31
267 #define	LINUX_NSIG_WORDS	2
268 #define	LINUX_NBPW		32
269 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
270 
271 /* sigaction flags */
272 #define	LINUX_SA_NOCLDSTOP	0x00000001
273 #define	LINUX_SA_NOCLDWAIT	0x00000002
274 #define	LINUX_SA_SIGINFO	0x00000004
275 #define	LINUX_SA_RESTORER	0x04000000
276 #define	LINUX_SA_ONSTACK	0x08000000
277 #define	LINUX_SA_RESTART	0x10000000
278 #define	LINUX_SA_INTERRUPT	0x20000000
279 #define	LINUX_SA_NOMASK		0x40000000
280 #define	LINUX_SA_ONESHOT	0x80000000
281 
282 /* sigprocmask actions */
283 #define	LINUX_SIG_BLOCK		0
284 #define	LINUX_SIG_UNBLOCK	1
285 #define	LINUX_SIG_SETMASK	2
286 
287 /* sigset_t macros */
288 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
289 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
290 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
291 
292 /* sigaltstack */
293 #define LINUX_MINSIGSTKSZ	2048
294 #define LINUX_SS_ONSTACK	1
295 #define LINUX_SS_DISABLE	2
296 
297 int linux_to_bsd_sigaltstack(int lsa);
298 int bsd_to_linux_sigaltstack(int bsa);
299 
300 typedef void	(*l_handler_t)(l_int);
301 typedef l_ulong	l_osigset_t;
302 
303 typedef struct {
304 	l_uint	__bits[LINUX_NSIG_WORDS];
305 } l_sigset_t;
306 
307 typedef struct {
308 	l_handler_t	lsa_handler;
309 	l_osigset_t	lsa_mask;
310 	l_ulong		lsa_flags;
311 	void	(*lsa_restorer)(void);
312 } l_osigaction_t;
313 
314 typedef struct {
315 	l_handler_t	lsa_handler;
316 	l_ulong		lsa_flags;
317 	void	(*lsa_restorer)(void);
318 	l_sigset_t	lsa_mask;
319 } l_sigaction_t;
320 
321 typedef struct {
322 	void		*ss_sp;
323 	l_int		ss_flags;
324 	l_size_t	ss_size;
325 } l_stack_t;
326 
327 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
328 struct l_sigcontext {
329 	l_int		sc_gs;
330 	l_int		sc_fs;
331 	l_int		sc_es;
332 	l_int		sc_ds;
333 	l_int		sc_edi;
334 	l_int		sc_esi;
335 	l_int		sc_ebp;
336 	l_int		sc_esp;
337 	l_int		sc_ebx;
338 	l_int		sc_edx;
339 	l_int		sc_ecx;
340 	l_int		sc_eax;
341 	l_int		sc_trapno;
342 	l_int		sc_err;
343 	l_int		sc_eip;
344 	l_int		sc_cs;
345 	l_int		sc_eflags;
346 	l_int		sc_esp_at_signal;
347 	l_int		sc_ss;
348 	l_int		sc_387;
349 	l_int		sc_mask;
350 	l_int		sc_cr2;
351 };
352 
353 struct l_ucontext {
354 	l_ulong		uc_flags;
355 	void		*uc_link;
356 	l_stack_t	uc_stack;
357 	struct l_sigcontext	uc_mcontext;
358         l_sigset_t	uc_sigmask;
359 };
360 
361 #define LINUX_SI_MAX_SIZE     128
362 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
363 
364 typedef struct l_siginfo {
365 	l_int		lsi_signo;
366 	l_int		lsi_errno;
367 	l_int		lsi_code;
368 	union {
369 		l_int	_pad[LINUX_SI_PAD_SIZE];
370 
371 		struct {
372 			l_pid_t		_pid;
373 			l_uid16_t	_uid;
374 		} _kill;
375 
376 		struct {
377 			l_uint		_timer1;
378 			l_uint		_timer2;
379 		} _timer;
380 
381 		struct {
382 			l_pid_t		_pid;		/* sender's pid */
383 			l_uid16_t	_uid;		/* sender's uid */
384 			union sigval _sigval;
385 		} _rt;
386 
387 		struct {
388 			l_pid_t		_pid;		/* which child */
389 			l_uid16_t	_uid;		/* sender's uid */
390 			l_int		_status;	/* exit code */
391 			l_clock_t	_utime;
392 			l_clock_t	_stime;
393 		} _sigchld;
394 
395 		struct {
396 			void		*_addr; /* faulting insn/memory ref. */
397 		} _sigfault;
398 
399 		struct {
400 			l_int		_band;  /* POLL_IN,POLL_OUT,POLL_MSG */
401 			l_int		_fd;
402 		} _sigpoll;
403 	} _sifields;
404 } l_siginfo_t;
405 
406 #define lsi_pid          _sifields._kill._pid
407 #define lsi_uid          _sifields._kill._uid
408 #define lsi_status       _sifields._sigchld._status
409 #define lsi_utime        _sifields._sigchld._utime
410 #define lsi_stime        _sifields._sigchld._stime
411 #define lsi_value        _sifields._rt._sigval
412 #define lsi_int          _sifields._rt._sigval.sival_int
413 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
414 #define lsi_addr         _sifields._sigfault._addr
415 #define lsi_band         _sifields._sigpoll._band
416 #define lsi_fd           _sifields._sigpoll._fd
417 
418 struct l_fpreg {
419 	u_int16_t significand[4];
420 	u_int16_t exponent;
421 };
422 
423 struct l_fpxreg {
424 	u_int16_t significand[4];
425 	u_int16_t exponent;
426 	u_int16_t padding[3];
427 };
428 
429 struct l_xmmreg {
430 	u_int32_t element[4];
431 };
432 
433 struct l_fpstate {
434 	/* Regular FPU environment */
435 	u_int32_t		cw;
436 	u_int32_t		sw;
437 	u_int32_t		tag;
438 	u_int32_t		ipoff;
439 	u_int32_t		cssel;
440 	u_int32_t		dataoff;
441 	u_int32_t		datasel;
442 	struct l_fpreg		_st[8];
443 	u_int16_t		status;
444 	u_int16_t		magic;  /* 0xffff = regular FPU data */
445 
446 	/* FXSR FPU environment */
447 	u_int32_t		_fxsr_env[6]; /* env is ignored */
448 	u_int32_t		mxcsr;
449 	u_int32_t		reserved;
450 	struct l_fpxreg		_fxsr_st[8];  /* reg data is ignored */
451 	struct l_xmmreg		_xmm[8];
452 	u_int32_t		padding[56];
453 };
454 
455 /*
456  * We make the stack look like Linux expects it when calling a signal
457  * handler, but use the BSD way of calling the handler and sigreturn().
458  * This means that we need to pass the pointer to the handler too.
459  * It is appended to the frame to not interfere with the rest of it.
460  */
461 struct l_sigframe {
462 	l_int			sf_sig;
463 	struct l_sigcontext	sf_sc;
464 	struct l_fpstate	sf_fpstate;
465 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
466 	l_handler_t		sf_handler;
467 };
468 
469 struct l_rt_sigframe {
470 	l_int			sf_sig;
471 	l_siginfo_t 		*sf_siginfo;
472 	struct l_ucontext	*sf_ucontext;
473 	l_siginfo_t		sf_si;
474 	struct l_ucontext 	sf_sc;
475 	l_handler_t 		sf_handler;
476 };
477 
478 extern int bsd_to_linux_signal[];
479 extern int linux_to_bsd_signal[];
480 extern struct sysentvec linux_sysvec;
481 extern struct sysentvec elf_linux_sysvec;
482 
483 /*
484  * Pluggable ioctl handlers
485  */
486 struct linux_ioctl_args;
487 struct thread;
488 
489 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
490 
491 struct linux_ioctl_handler {
492 	linux_ioctl_function_t *func;
493 	int	low, high;
494 };
495 
496 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
497 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
498 
499 /*
500  * open/fcntl flags
501  */
502 #define	LINUX_O_RDONLY		00
503 #define	LINUX_O_WRONLY		01
504 #define	LINUX_O_RDWR		02
505 #define	LINUX_O_CREAT		0100
506 #define	LINUX_O_EXCL		0200
507 #define	LINUX_O_NOCTTY		0400
508 #define	LINUX_O_TRUNC		01000
509 #define	LINUX_O_APPEND		02000
510 #define	LINUX_O_NONBLOCK	04000
511 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
512 #define	LINUX_O_SYNC		010000
513 #define	LINUX_FASYNC		020000
514 #define	LINUX_O_DIRECT		040000	/* direct disk access hint */
515 #define	LINUX_O_LARGEFILE	0100000
516 #define	LINUX_O_DIRECTORY	0200000	/* must be a directory */
517 #define	LINUX_O_NOFOLLOW	0400000	/* don't follow links */
518 #define	LINUX_O_NOATIME		01000000
519 
520 #define	LINUX_F_DUPFD		0
521 #define	LINUX_F_GETFD		1
522 #define	LINUX_F_SETFD		2
523 #define	LINUX_F_GETFL		3
524 #define	LINUX_F_SETFL		4
525 #define	LINUX_F_GETLK		5
526 #define	LINUX_F_SETLK		6
527 #define	LINUX_F_SETLKW		7
528 #define	LINUX_F_SETOWN		8
529 #define	LINUX_F_GETOWN		9
530 
531 #define	LINUX_F_GETLK64		12
532 #define	LINUX_F_SETLK64		13
533 #define	LINUX_F_SETLKW64	14
534 
535 #define	LINUX_F_RDLCK		0
536 #define	LINUX_F_WRLCK		1
537 #define	LINUX_F_UNLCK		2
538 
539 /*
540  * mount flags
541  */
542 #define LINUX_MS_RDONLY         0x0001
543 #define LINUX_MS_NOSUID         0x0002
544 #define LINUX_MS_NODEV          0x0004
545 #define LINUX_MS_NOEXEC         0x0008
546 #define LINUX_MS_REMOUNT        0x0020
547 
548 /*
549  * SystemV IPC defines
550  */
551 #define	LINUX_SEMOP		1
552 #define	LINUX_SEMGET		2
553 #define	LINUX_SEMCTL		3
554 #define	LINUX_MSGSND		11
555 #define	LINUX_MSGRCV		12
556 #define	LINUX_MSGGET		13
557 #define	LINUX_MSGCTL		14
558 #define	LINUX_SHMAT		21
559 #define	LINUX_SHMDT		22
560 #define	LINUX_SHMGET		23
561 #define	LINUX_SHMCTL		24
562 
563 #define	LINUX_IPC_RMID		0
564 #define	LINUX_IPC_SET		1
565 #define	LINUX_IPC_STAT		2
566 #define	LINUX_IPC_INFO		3
567 
568 #define	LINUX_SHM_LOCK		11
569 #define	LINUX_SHM_UNLOCK	12
570 #define	LINUX_SHM_STAT		13
571 #define	LINUX_SHM_INFO		14
572 
573 #define	LINUX_SHM_RDONLY	0x1000
574 #define	LINUX_SHM_RND		0x2000
575 #define	LINUX_SHM_REMAP		0x4000
576 
577 /* semctl commands */
578 #define	LINUX_GETPID		11
579 #define	LINUX_GETVAL		12
580 #define	LINUX_GETALL		13
581 #define	LINUX_GETNCNT		14
582 #define	LINUX_GETZCNT		15
583 #define	LINUX_SETVAL		16
584 #define	LINUX_SETALL		17
585 #define	LINUX_SEM_STAT		18
586 #define	LINUX_SEM_INFO		19
587 
588 union l_semun {
589 	l_int		val;
590 	struct l_semid_ds	*buf;
591 	l_ushort	*array;
592 	struct l_seminfo	*__buf;
593 	void		*__pad;
594 };
595 
596 /*
597  * Socket defines
598  */
599 #define	LINUX_SOCKET 		1
600 #define	LINUX_BIND		2
601 #define	LINUX_CONNECT 		3
602 #define	LINUX_LISTEN 		4
603 #define	LINUX_ACCEPT 		5
604 #define	LINUX_GETSOCKNAME	6
605 #define	LINUX_GETPEERNAME	7
606 #define	LINUX_SOCKETPAIR	8
607 #define	LINUX_SEND		9
608 #define	LINUX_RECV		10
609 #define	LINUX_SENDTO 		11
610 #define	LINUX_RECVFROM 		12
611 #define	LINUX_SHUTDOWN 		13
612 #define	LINUX_SETSOCKOPT	14
613 #define	LINUX_GETSOCKOPT	15
614 #define	LINUX_SENDMSG		16
615 #define	LINUX_RECVMSG		17
616 
617 #define	LINUX_AF_UNSPEC		0
618 #define	LINUX_AF_UNIX		1
619 #define	LINUX_AF_INET		2
620 #define	LINUX_AF_AX25		3
621 #define	LINUX_AF_IPX		4
622 #define	LINUX_AF_APPLETALK	5
623 #define	LINUX_AF_INET6		10
624 
625 #define	LINUX_SOL_SOCKET	1
626 #define	LINUX_SOL_IP		0
627 #define	LINUX_SOL_IPX		256
628 #define	LINUX_SOL_AX25		257
629 #define	LINUX_SOL_TCP		6
630 #define	LINUX_SOL_UDP		17
631 
632 #define	LINUX_SO_DEBUG		1
633 #define	LINUX_SO_REUSEADDR	2
634 #define	LINUX_SO_TYPE		3
635 #define	LINUX_SO_ERROR		4
636 #define	LINUX_SO_DONTROUTE	5
637 #define	LINUX_SO_BROADCAST	6
638 #define	LINUX_SO_SNDBUF		7
639 #define	LINUX_SO_RCVBUF		8
640 #define	LINUX_SO_KEEPALIVE	9
641 #define	LINUX_SO_OOBINLINE	10
642 #define	LINUX_SO_NO_CHECK	11
643 #define	LINUX_SO_PRIORITY	12
644 #define	LINUX_SO_LINGER		13
645 #define	LINUX_SO_PEERCRED	17
646 #define	LINUX_SO_RCVLOWAT	18
647 #define	LINUX_SO_SNDLOWAT	19
648 #define	LINUX_SO_RCVTIMEO	20
649 #define	LINUX_SO_SNDTIMEO	21
650 #define	LINUX_SO_TIMESTAMP	29
651 #define	LINUX_SO_ACCEPTCONN	30
652 
653 #define	LINUX_IP_TOS		1
654 #define	LINUX_IP_TTL		2
655 #define	LINUX_IP_HDRINCL	3
656 #define	LINUX_IP_OPTIONS	4
657 
658 #define	LINUX_IP_MULTICAST_IF		32
659 #define	LINUX_IP_MULTICAST_TTL		33
660 #define	LINUX_IP_MULTICAST_LOOP		34
661 #define	LINUX_IP_ADD_MEMBERSHIP		35
662 #define	LINUX_IP_DROP_MEMBERSHIP	36
663 
664 struct l_sockaddr {
665 	l_ushort	sa_family;
666 	char		sa_data[14];
667 };
668 
669 struct l_ifmap {
670 	l_ulong		mem_start;
671 	l_ulong		mem_end;
672 	l_ushort	base_addr;
673 	u_char		irq;
674 	u_char		dma;
675 	u_char		port;
676 };
677 
678 #define	LINUX_IFHWADDRLEN	6
679 #define	LINUX_IFNAMSIZ		16
680 
681 struct l_ifreq {
682 	union {
683 		char	ifrn_name[LINUX_IFNAMSIZ];
684 	} ifr_ifrn;
685 
686 	union {
687 		struct l_sockaddr	ifru_addr;
688 		struct l_sockaddr	ifru_dstaddr;
689 		struct l_sockaddr	ifru_broadaddr;
690 		struct l_sockaddr	ifru_netmask;
691 		struct l_sockaddr	ifru_hwaddr;
692 		l_short		ifru_flags[1];
693 		l_int		ifru_metric;
694 		l_int		ifru_mtu;
695 		struct l_ifmap	ifru_map;
696 		char		ifru_slave[LINUX_IFNAMSIZ];
697 		l_caddr_t	ifru_data;
698 	} ifr_ifru;
699 };
700 
701 #define	ifr_name	ifr_ifrn.ifrn_name	/* interface name */
702 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
703 
704 /*
705  * poll()
706  */
707 #define	LINUX_POLLIN		0x0001
708 #define	LINUX_POLLPRI		0x0002
709 #define	LINUX_POLLOUT		0x0004
710 #define	LINUX_POLLERR		0x0008
711 #define	LINUX_POLLHUP		0x0010
712 #define	LINUX_POLLNVAL		0x0020
713 #define	LINUX_POLLRDNORM	0x0040
714 #define	LINUX_POLLRDBAND	0x0080
715 #define	LINUX_POLLWRNORM	0x0100
716 #define	LINUX_POLLWRBAND	0x0200
717 #define	LINUX_POLLMSG		0x0400
718 
719 struct l_pollfd {
720 	l_int		fd;
721 	l_short		events;
722 	l_short		revents;
723 };
724 
725 struct l_user_desc {
726 	l_uint		entry_number;
727 	l_uint		base_addr;
728 	l_uint		limit;
729 	l_uint		seg_32bit:1;
730 	l_uint		contents:2;
731 	l_uint		read_exec_only:1;
732 	l_uint		limit_in_pages:1;
733 	l_uint		seg_not_present:1;
734 	l_uint		useable:1;
735 };
736 
737 struct l_desc_struct {
738            unsigned long a,b;
739 };
740 
741 
742 #define LINUX_LOWERWORD	0x0000ffff
743 
744 /*
745  * macros which does the same thing as those in linux include/asm-um/ldt-i386.h
746  * these convert linux user-space descriptor to machine one
747  */
748 #define LDT_entry_a(info) \
749         ((((info)->base_addr & LINUX_LOWERWORD) << 16) | ((info)->limit & LINUX_LOWERWORD))
750 
751 #define ENTRY_B_READ_EXEC_ONLY	9
752 #define ENTRY_B_CONTENTS	10
753 #define ENTRY_B_SEG_NOT_PRESENT	15
754 #define ENTRY_B_BASE_ADDR	16
755 #define ENTRY_B_USEABLE		20
756 #define ENTRY_B_SEG32BIT	22
757 #define ENTRY_B_LIMIT		23
758 
759 #define LDT_entry_b(info) \
760         (((info)->base_addr & 0xff000000) | \
761         ((info)->limit & 0xf0000) | \
762         ((info)->contents << ENTRY_B_CONTENTS) | \
763         (((info)->seg_not_present == 0) << ENTRY_B_SEG_NOT_PRESENT) | \
764         (((info)->base_addr & 0x00ff0000) >> ENTRY_B_BASE_ADDR) | \
765         (((info)->read_exec_only == 0) << ENTRY_B_READ_EXEC_ONLY) | \
766         ((info)->seg_32bit << ENTRY_B_SEG32BIT) | \
767         ((info)->useable << ENTRY_B_USEABLE) | \
768         ((info)->limit_in_pages << ENTRY_B_LIMIT) | 0x7000)
769 
770 #define LDT_empty(info) (\
771         (info)->base_addr       == 0    && \
772         (info)->limit           == 0    && \
773         (info)->contents        == 0    && \
774         (info)->seg_not_present == 1    && \
775         (info)->read_exec_only  == 1    && \
776         (info)->seg_32bit       == 0    && \
777         (info)->limit_in_pages  == 0    && \
778         (info)->useable         == 0    )
779 
780 /* macros for converting segments, they do the same as those in arch/i386/kernel/process.c */
781 #define GET_BASE(desc) ( \
782         (((desc)->a >> 16) & LINUX_LOWERWORD) | \
783         (((desc)->b << 16) & 0x00ff0000) | \
784         ( (desc)->b        & 0xff000000)   )
785 
786 #define GET_LIMIT(desc) ( \
787         ((desc)->a & LINUX_LOWERWORD) | \
788          ((desc)->b & 0xf0000) )
789 
790 #define GET_32BIT(desc)         (((desc)->b >> ENTRY_B_SEG32BIT) & 1)
791 #define GET_CONTENTS(desc)      (((desc)->b >> ENTRY_B_CONTENTS) & 3)
792 #define GET_WRITABLE(desc)      (((desc)->b >> ENTRY_B_READ_EXEC_ONLY) & 1)
793 #define GET_LIMIT_PAGES(desc)   (((desc)->b >> ENTRY_B_LIMIT) & 1)
794 #define GET_PRESENT(desc)       (((desc)->b >> ENTRY_B_SEG_NOT_PRESENT) & 1)
795 #define GET_USEABLE(desc)       (((desc)->b >> ENTRY_B_USEABLE) & 1)
796 
797 #define LINUX_CLOCK_REALTIME            0
798 #define LINUX_CLOCK_MONOTONIC           1
799 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
800 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
801 #define LINUX_CLOCK_REALTIME_HR         4
802 #define LINUX_CLOCK_MONOTONIC_HR        5
803 
804 typedef int l_timer_t;
805 typedef int l_mqd_t;
806 
807 #define CLONE_VM        0x100
808 #define CLONE_FS        0x200
809 #define CLONE_FILES     0x400
810 #define CLONE_SIGHAND   0x800
811 #define CLONE_PID       0x1000          /* this flag does not exist in linux anymore */
812 #define CLONE_VFORK	0x4000
813 #define CLONE_PARENT    0x00008000
814 #define CLONE_THREAD    0x10000
815 #define CLONE_SETTLS    0x80000
816 #define CLONE_CHILD_CLEARTID    0x00200000
817 #define CLONE_CHILD_SETTID      0x01000000
818 #define CLONE_PARENT_SETTID     0x00100000
819 
820 #define THREADING_FLAGS (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
821 
822 #endif /* !_I386_LINUX_LINUX_H_ */
823