xref: /freebsd/sys/i386/linux/linux.h (revision 1f7642e0)
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 /*
146  * stat family of syscalls
147  */
148 struct l_timespec {
149 	l_ulong		tv_sec;
150 	l_ulong		tv_nsec;
151 };
152 
153 struct l_newstat {
154 	l_ushort	st_dev;
155 	l_ushort	__pad1;
156 	l_ulong		st_ino;
157 	l_ushort	st_mode;
158 	l_ushort	st_nlink;
159 	l_ushort	st_uid;
160 	l_ushort	st_gid;
161 	l_ushort	st_rdev;
162 	l_ushort	__pad2;
163 	l_ulong		st_size;
164 	l_ulong		st_blksize;
165 	l_ulong		st_blocks;
166 	struct l_timespec	st_atimespec;
167 	struct l_timespec	st_mtimespec;
168 	struct l_timespec	st_ctimespec;
169 	l_ulong		__unused4;
170 	l_ulong		__unused5;
171 };
172 
173 struct l_stat {
174 	l_ushort        st_dev;
175 	l_ulong         st_ino;
176 	l_ushort        st_mode;
177 	l_ushort        st_nlink;
178 	l_ushort        st_uid;
179 	l_ushort        st_gid;
180 	l_ushort        st_rdev;
181 	l_long          st_size;
182 	struct l_timespec       st_atimespec;
183 	struct l_timespec       st_mtimespec;
184 	struct l_timespec       st_ctimespec;
185 	l_long          st_blksize;
186 	l_long          st_blocks;
187 	l_ulong         st_flags;
188 	l_ulong         st_gen;
189 };
190 
191 struct l_stat64 {
192 	l_ushort	st_dev;
193 	u_char		__pad0[10];
194 	l_ulong		__st_ino;
195 	l_uint		st_mode;
196 	l_uint		st_nlink;
197 	l_ulong		st_uid;
198 	l_ulong		st_gid;
199 	l_ushort	st_rdev;
200 	u_char		__pad3[10];
201 	l_longlong	st_size;
202 	l_ulong		st_blksize;
203 	l_ulong		st_blocks;
204 	l_ulong		__pad4;
205 	struct l_timespec	st_atimespec;
206 	struct l_timespec	st_mtimespec;
207 	struct l_timespec	st_ctimespec;
208 	l_ulonglong	st_ino;
209 };
210 
211 struct l_new_utsname {
212 	char	sysname[LINUX_MAX_UTSNAME];
213 	char	nodename[LINUX_MAX_UTSNAME];
214 	char	release[LINUX_MAX_UTSNAME];
215 	char	version[LINUX_MAX_UTSNAME];
216 	char	machine[LINUX_MAX_UTSNAME];
217 	char	domainname[LINUX_MAX_UTSNAME];
218 };
219 
220 /*
221  * Signalling
222  */
223 #define	LINUX_SIGHUP		1
224 #define	LINUX_SIGINT		2
225 #define	LINUX_SIGQUIT		3
226 #define	LINUX_SIGILL		4
227 #define	LINUX_SIGTRAP		5
228 #define	LINUX_SIGABRT		6
229 #define	LINUX_SIGIOT		LINUX_SIGABRT
230 #define	LINUX_SIGBUS		7
231 #define	LINUX_SIGFPE		8
232 #define	LINUX_SIGKILL		9
233 #define	LINUX_SIGUSR1		10
234 #define	LINUX_SIGSEGV		11
235 #define	LINUX_SIGUSR2		12
236 #define	LINUX_SIGPIPE		13
237 #define	LINUX_SIGALRM		14
238 #define	LINUX_SIGTERM		15
239 #define	LINUX_SIGSTKFLT		16
240 #define	LINUX_SIGCHLD		17
241 #define	LINUX_SIGCONT		18
242 #define	LINUX_SIGSTOP		19
243 #define	LINUX_SIGTSTP		20
244 #define	LINUX_SIGTTIN		21
245 #define	LINUX_SIGTTOU		22
246 #define	LINUX_SIGURG		23
247 #define	LINUX_SIGXCPU		24
248 #define	LINUX_SIGXFSZ		25
249 #define	LINUX_SIGVTALRM		26
250 #define	LINUX_SIGPROF		27
251 #define	LINUX_SIGWINCH		28
252 #define	LINUX_SIGIO		29
253 #define	LINUX_SIGPOLL		LINUX_SIGIO
254 #define	LINUX_SIGPWR		30
255 #define	LINUX_SIGSYS		31
256 
257 #define	LINUX_SIGTBLSZ		31
258 #define	LINUX_NSIG_WORDS	2
259 #define	LINUX_NBPW		32
260 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
261 
262 /* sigaction flags */
263 #define	LINUX_SA_NOCLDSTOP	0x00000001
264 #define	LINUX_SA_NOCLDWAIT	0x00000002
265 #define	LINUX_SA_SIGINFO	0x00000004
266 #define	LINUX_SA_RESTORER	0x04000000
267 #define	LINUX_SA_ONSTACK	0x08000000
268 #define	LINUX_SA_RESTART	0x10000000
269 #define	LINUX_SA_INTERRUPT	0x20000000
270 #define	LINUX_SA_NOMASK		0x40000000
271 #define	LINUX_SA_ONESHOT	0x80000000
272 
273 /* sigprocmask actions */
274 #define	LINUX_SIG_BLOCK		0
275 #define	LINUX_SIG_UNBLOCK	1
276 #define	LINUX_SIG_SETMASK	2
277 
278 /* sigset_t macros */
279 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
280 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
281 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
282 
283 /* sigaltstack */
284 #define LINUX_MINSIGSTKSZ	2048
285 #define LINUX_SS_ONSTACK	1
286 #define LINUX_SS_DISABLE	2
287 
288 int linux_to_bsd_sigaltstack(int lsa);
289 int bsd_to_linux_sigaltstack(int bsa);
290 
291 typedef void	(*l_handler_t)(l_int);
292 typedef l_ulong	l_osigset_t;
293 
294 typedef struct {
295 	l_uint	__bits[LINUX_NSIG_WORDS];
296 } l_sigset_t;
297 
298 typedef struct {
299 	l_handler_t	lsa_handler;
300 	l_osigset_t	lsa_mask;
301 	l_ulong		lsa_flags;
302 	void	(*lsa_restorer)(void);
303 } l_osigaction_t;
304 
305 typedef struct {
306 	l_handler_t	lsa_handler;
307 	l_ulong		lsa_flags;
308 	void	(*lsa_restorer)(void);
309 	l_sigset_t	lsa_mask;
310 } l_sigaction_t;
311 
312 typedef struct {
313 	void		*ss_sp;
314 	l_int		ss_flags;
315 	l_size_t	ss_size;
316 } l_stack_t;
317 
318 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
319 struct l_sigcontext {
320 	l_int		sc_gs;
321 	l_int		sc_fs;
322 	l_int		sc_es;
323 	l_int		sc_ds;
324 	l_int		sc_edi;
325 	l_int		sc_esi;
326 	l_int		sc_ebp;
327 	l_int		sc_esp;
328 	l_int		sc_ebx;
329 	l_int		sc_edx;
330 	l_int		sc_ecx;
331 	l_int		sc_eax;
332 	l_int		sc_trapno;
333 	l_int		sc_err;
334 	l_int		sc_eip;
335 	l_int		sc_cs;
336 	l_int		sc_eflags;
337 	l_int		sc_esp_at_signal;
338 	l_int		sc_ss;
339 	l_int		sc_387;
340 	l_int		sc_mask;
341 	l_int		sc_cr2;
342 };
343 
344 struct l_ucontext {
345 	l_ulong		uc_flags;
346 	void		*uc_link;
347 	l_stack_t	uc_stack;
348 	struct l_sigcontext	uc_mcontext;
349         l_sigset_t	uc_sigmask;
350 };
351 
352 #define LINUX_SI_MAX_SIZE     128
353 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
354 
355 typedef struct l_siginfo {
356 	l_int		lsi_signo;
357 	l_int		lsi_errno;
358 	l_int		lsi_code;
359 	union {
360 		l_int	_pad[LINUX_SI_PAD_SIZE];
361 
362 		struct {
363 			l_pid_t		_pid;
364 			l_uid16_t	_uid;
365 		} _kill;
366 
367 		struct {
368 			l_uint		_timer1;
369 			l_uint		_timer2;
370 		} _timer;
371 
372 		struct {
373 			l_pid_t		_pid;		/* sender's pid */
374 			l_uid16_t	_uid;		/* sender's uid */
375 			union sigval _sigval;
376 		} _rt;
377 
378 		struct {
379 			l_pid_t		_pid;		/* which child */
380 			l_uid16_t	_uid;		/* sender's uid */
381 			l_int		_status;	/* exit code */
382 			l_clock_t	_utime;
383 			l_clock_t	_stime;
384 		} _sigchld;
385 
386 		struct {
387 			void		*_addr; /* faulting insn/memory ref. */
388 		} _sigfault;
389 
390 		struct {
391 			l_int		_band;  /* POLL_IN,POLL_OUT,POLL_MSG */
392 			l_int		_fd;
393 		} _sigpoll;
394 	} _sifields;
395 } l_siginfo_t;
396 
397 #define lsi_pid          _sifields._kill._pid
398 #define lsi_uid          _sifields._kill._uid
399 #define lsi_status       _sifields._sigchld._status
400 #define lsi_utime        _sifields._sigchld._utime
401 #define lsi_stime        _sifields._sigchld._stime
402 #define lsi_value        _sifields._rt._sigval
403 #define lsi_int          _sifields._rt._sigval.sival_int
404 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
405 #define lsi_addr         _sifields._sigfault._addr
406 #define lsi_band         _sifields._sigpoll._band
407 #define lsi_fd           _sifields._sigpoll._fd
408 
409 struct l_fpreg {
410 	u_int16_t significand[4];
411 	u_int16_t exponent;
412 };
413 
414 struct l_fpxreg {
415 	u_int16_t significand[4];
416 	u_int16_t exponent;
417 	u_int16_t padding[3];
418 };
419 
420 struct l_xmmreg {
421 	u_int32_t element[4];
422 };
423 
424 struct l_fpstate {
425 	/* Regular FPU environment */
426 	u_int32_t		cw;
427 	u_int32_t		sw;
428 	u_int32_t		tag;
429 	u_int32_t		ipoff;
430 	u_int32_t		cssel;
431 	u_int32_t		dataoff;
432 	u_int32_t		datasel;
433 	struct l_fpreg		_st[8];
434 	u_int16_t		status;
435 	u_int16_t		magic;  /* 0xffff = regular FPU data */
436 
437 	/* FXSR FPU environment */
438 	u_int32_t		_fxsr_env[6]; /* env is ignored */
439 	u_int32_t		mxcsr;
440 	u_int32_t		reserved;
441 	struct l_fpxreg		_fxsr_st[8];  /* reg data is ignored */
442 	struct l_xmmreg		_xmm[8];
443 	u_int32_t		padding[56];
444 };
445 
446 /*
447  * We make the stack look like Linux expects it when calling a signal
448  * handler, but use the BSD way of calling the handler and sigreturn().
449  * This means that we need to pass the pointer to the handler too.
450  * It is appended to the frame to not interfere with the rest of it.
451  */
452 struct l_sigframe {
453 	l_int			sf_sig;
454 	struct l_sigcontext	sf_sc;
455 	struct l_fpstate	sf_fpstate;
456 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
457 	l_handler_t		sf_handler;
458 };
459 
460 struct l_rt_sigframe {
461 	l_int			sf_sig;
462 	l_siginfo_t 		*sf_siginfo;
463 	struct l_ucontext	*sf_ucontext;
464 	l_siginfo_t		sf_si;
465 	struct l_ucontext 	sf_sc;
466 	l_handler_t 		sf_handler;
467 };
468 
469 extern int bsd_to_linux_signal[];
470 extern int linux_to_bsd_signal[];
471 extern struct sysentvec linux_sysvec;
472 extern struct sysentvec elf_linux_sysvec;
473 
474 /*
475  * Pluggable ioctl handlers
476  */
477 struct linux_ioctl_args;
478 struct thread;
479 
480 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
481 
482 struct linux_ioctl_handler {
483 	linux_ioctl_function_t *func;
484 	int	low, high;
485 };
486 
487 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
488 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
489 
490 /*
491  * open/fcntl flags
492  */
493 #define	LINUX_O_RDONLY		00
494 #define	LINUX_O_WRONLY		01
495 #define	LINUX_O_RDWR		02
496 #define	LINUX_O_CREAT		0100
497 #define	LINUX_O_EXCL		0200
498 #define	LINUX_O_NOCTTY		0400
499 #define	LINUX_O_TRUNC		01000
500 #define	LINUX_O_APPEND		02000
501 #define	LINUX_O_NONBLOCK	04000
502 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
503 #define	LINUX_O_SYNC		010000
504 #define	LINUX_FASYNC		020000
505 #define	LINUX_O_DIRECT		040000	/* direct disk access hint */
506 #define	LINUX_O_LARGEFILE	0100000
507 #define	LINUX_O_DIRECTORY	0200000	/* must be a directory */
508 #define	LINUX_O_NOFOLLOW	0400000	/* don't follow links */
509 #define	LINUX_O_NOATIME		01000000
510 
511 #define	LINUX_F_DUPFD		0
512 #define	LINUX_F_GETFD		1
513 #define	LINUX_F_SETFD		2
514 #define	LINUX_F_GETFL		3
515 #define	LINUX_F_SETFL		4
516 #define	LINUX_F_GETLK		5
517 #define	LINUX_F_SETLK		6
518 #define	LINUX_F_SETLKW		7
519 #define	LINUX_F_SETOWN		8
520 #define	LINUX_F_GETOWN		9
521 
522 #define	LINUX_F_GETLK64		12
523 #define	LINUX_F_SETLK64		13
524 #define	LINUX_F_SETLKW64	14
525 
526 #define	LINUX_F_RDLCK		0
527 #define	LINUX_F_WRLCK		1
528 #define	LINUX_F_UNLCK		2
529 
530 /*
531  * mount flags
532  */
533 #define LINUX_MS_RDONLY         0x0001
534 #define LINUX_MS_NOSUID         0x0002
535 #define LINUX_MS_NODEV          0x0004
536 #define LINUX_MS_NOEXEC         0x0008
537 #define LINUX_MS_REMOUNT        0x0020
538 
539 /*
540  * SystemV IPC defines
541  */
542 #define	LINUX_SEMOP		1
543 #define	LINUX_SEMGET		2
544 #define	LINUX_SEMCTL		3
545 #define	LINUX_MSGSND		11
546 #define	LINUX_MSGRCV		12
547 #define	LINUX_MSGGET		13
548 #define	LINUX_MSGCTL		14
549 #define	LINUX_SHMAT		21
550 #define	LINUX_SHMDT		22
551 #define	LINUX_SHMGET		23
552 #define	LINUX_SHMCTL		24
553 
554 #define	LINUX_IPC_RMID		0
555 #define	LINUX_IPC_SET		1
556 #define	LINUX_IPC_STAT		2
557 #define	LINUX_IPC_INFO		3
558 
559 #define	LINUX_SHM_LOCK		11
560 #define	LINUX_SHM_UNLOCK	12
561 #define	LINUX_SHM_STAT		13
562 #define	LINUX_SHM_INFO		14
563 
564 #define	LINUX_SHM_RDONLY	0x1000
565 #define	LINUX_SHM_RND		0x2000
566 #define	LINUX_SHM_REMAP		0x4000
567 
568 /* semctl commands */
569 #define	LINUX_GETPID		11
570 #define	LINUX_GETVAL		12
571 #define	LINUX_GETALL		13
572 #define	LINUX_GETNCNT		14
573 #define	LINUX_GETZCNT		15
574 #define	LINUX_SETVAL		16
575 #define	LINUX_SETALL		17
576 #define	LINUX_SEM_STAT		18
577 #define	LINUX_SEM_INFO		19
578 
579 union l_semun {
580 	l_int		val;
581 	struct l_semid_ds	*buf;
582 	l_ushort	*array;
583 	struct l_seminfo	*__buf;
584 	void		*__pad;
585 };
586 
587 /*
588  * Socket defines
589  */
590 #define	LINUX_SOCKET 		1
591 #define	LINUX_BIND		2
592 #define	LINUX_CONNECT 		3
593 #define	LINUX_LISTEN 		4
594 #define	LINUX_ACCEPT 		5
595 #define	LINUX_GETSOCKNAME	6
596 #define	LINUX_GETPEERNAME	7
597 #define	LINUX_SOCKETPAIR	8
598 #define	LINUX_SEND		9
599 #define	LINUX_RECV		10
600 #define	LINUX_SENDTO 		11
601 #define	LINUX_RECVFROM 		12
602 #define	LINUX_SHUTDOWN 		13
603 #define	LINUX_SETSOCKOPT	14
604 #define	LINUX_GETSOCKOPT	15
605 #define	LINUX_SENDMSG		16
606 #define	LINUX_RECVMSG		17
607 
608 #define	LINUX_AF_UNSPEC		0
609 #define	LINUX_AF_UNIX		1
610 #define	LINUX_AF_INET		2
611 #define	LINUX_AF_AX25		3
612 #define	LINUX_AF_IPX		4
613 #define	LINUX_AF_APPLETALK	5
614 #define	LINUX_AF_INET6		10
615 
616 #define	LINUX_SOL_SOCKET	1
617 #define	LINUX_SOL_IP		0
618 #define	LINUX_SOL_IPX		256
619 #define	LINUX_SOL_AX25		257
620 #define	LINUX_SOL_TCP		6
621 #define	LINUX_SOL_UDP		17
622 
623 #define	LINUX_SO_DEBUG		1
624 #define	LINUX_SO_REUSEADDR	2
625 #define	LINUX_SO_TYPE		3
626 #define	LINUX_SO_ERROR		4
627 #define	LINUX_SO_DONTROUTE	5
628 #define	LINUX_SO_BROADCAST	6
629 #define	LINUX_SO_SNDBUF		7
630 #define	LINUX_SO_RCVBUF		8
631 #define	LINUX_SO_KEEPALIVE	9
632 #define	LINUX_SO_OOBINLINE	10
633 #define	LINUX_SO_NO_CHECK	11
634 #define	LINUX_SO_PRIORITY	12
635 #define	LINUX_SO_LINGER		13
636 
637 #define	LINUX_IP_TOS		1
638 #define	LINUX_IP_TTL		2
639 #define	LINUX_IP_HDRINCL	3
640 #define	LINUX_IP_OPTIONS	4
641 
642 #define	LINUX_IP_MULTICAST_IF		32
643 #define	LINUX_IP_MULTICAST_TTL		33
644 #define	LINUX_IP_MULTICAST_LOOP		34
645 #define	LINUX_IP_ADD_MEMBERSHIP		35
646 #define	LINUX_IP_DROP_MEMBERSHIP	36
647 
648 struct l_sockaddr {
649 	l_ushort	sa_family;
650 	char		sa_data[14];
651 };
652 
653 struct l_ifmap {
654 	l_ulong		mem_start;
655 	l_ulong		mem_end;
656 	l_ushort	base_addr;
657 	u_char		irq;
658 	u_char		dma;
659 	u_char		port;
660 };
661 
662 #define	LINUX_IFHWADDRLEN	6
663 #define	LINUX_IFNAMSIZ		16
664 
665 struct l_ifreq {
666 	union {
667 		char	ifrn_name[LINUX_IFNAMSIZ];
668 	} ifr_ifrn;
669 
670 	union {
671 		struct l_sockaddr	ifru_addr;
672 		struct l_sockaddr	ifru_dstaddr;
673 		struct l_sockaddr	ifru_broadaddr;
674 		struct l_sockaddr	ifru_netmask;
675 		struct l_sockaddr	ifru_hwaddr;
676 		l_short		ifru_flags[1];
677 		l_int		ifru_metric;
678 		l_int		ifru_mtu;
679 		struct l_ifmap	ifru_map;
680 		char		ifru_slave[LINUX_IFNAMSIZ];
681 		l_caddr_t	ifru_data;
682 	} ifr_ifru;
683 };
684 
685 #define	ifr_name	ifr_ifrn.ifrn_name	/* interface name */
686 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
687 
688 /*
689  * poll()
690  */
691 #define	LINUX_POLLIN		0x0001
692 #define	LINUX_POLLPRI		0x0002
693 #define	LINUX_POLLOUT		0x0004
694 #define	LINUX_POLLERR		0x0008
695 #define	LINUX_POLLHUP		0x0010
696 #define	LINUX_POLLNVAL		0x0020
697 #define	LINUX_POLLRDNORM	0x0040
698 #define	LINUX_POLLRDBAND	0x0080
699 #define	LINUX_POLLWRNORM	0x0100
700 #define	LINUX_POLLWRBAND	0x0200
701 #define	LINUX_POLLMSG		0x0400
702 
703 struct l_pollfd {
704 	l_int		fd;
705 	l_short		events;
706 	l_short		revents;
707 };
708 
709 #endif /* !_I386_LINUX_LINUX_H_ */
710