xref: /freebsd/sys/i386/linux/linux.h (revision 9b44bfc5)
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 #include <sys/param.h>
36 #include <sys/lock.h>
37 #include <sys/mutex.h>
38 #include <sys/sx.h>
39 
40 #include <i386/linux/linux_syscall.h>
41 
42 /*
43  * debugging support
44  */
45 extern u_char linux_debug_map[];
46 #define ldebug(name)	isclr(linux_debug_map, LINUX_SYS_linux_ ## name)
47 #define ARGS(nm, fmt)	"linux(%ld): "#nm"("fmt")\n", (long)td->td_proc->p_pid
48 #define LMSG(fmt)	"linux(%ld): "fmt"\n", (long)td->td_proc->p_pid
49 
50 #ifdef MALLOC_DECLARE
51 MALLOC_DECLARE(M_LINUX);
52 #endif
53 
54 #define	PTRIN(v)	(void *)(v)
55 #define	PTROUT(v)	(l_uintptr_t)(v)
56 
57 /*
58  * Provide a separate set of types for the Linux types.
59  */
60 typedef int		l_int;
61 typedef int32_t		l_long;
62 typedef int64_t		l_longlong;
63 typedef short		l_short;
64 typedef unsigned int	l_uint;
65 typedef uint32_t	l_ulong;
66 typedef uint64_t	l_ulonglong;
67 typedef unsigned short	l_ushort;
68 
69 typedef char		*l_caddr_t;
70 typedef l_ulong		l_uintptr_t;
71 typedef l_long		l_clock_t;
72 typedef l_int		l_daddr_t;
73 typedef l_ushort	l_dev_t;
74 typedef l_uint		l_gid_t;
75 typedef l_ushort	l_gid16_t;
76 typedef l_ulong		l_ino_t;
77 typedef l_int		l_key_t;
78 typedef l_longlong	l_loff_t;
79 typedef l_ushort	l_mode_t;
80 typedef l_long		l_off_t;
81 typedef l_int		l_pid_t;
82 typedef l_uint		l_size_t;
83 typedef l_long		l_suseconds_t;
84 typedef l_long		l_time_t;
85 typedef l_uint		l_uid_t;
86 typedef l_ushort	l_uid16_t;
87 
88 typedef struct {
89 	l_int		val[2];
90 } l_fsid_t;
91 
92 typedef struct {
93 	l_time_t	tv_sec;
94 	l_suseconds_t	tv_usec;
95 } l_timeval;
96 
97 #define	l_fd_set	fd_set
98 
99 /*
100  * Miscellaneous
101  */
102 #define	LINUX_NAME_MAX		255
103 #define	LINUX_MAX_UTSNAME	65
104 
105 #define	LINUX_CTL_MAXNAME	10
106 
107 struct l___sysctl_args
108 {
109 	l_int		*name;
110 	l_int		nlen;
111 	void		*oldval;
112 	l_size_t	*oldlenp;
113 	void		*newval;
114 	l_size_t	newlen;
115 	l_ulong		__spare[4];
116 };
117 
118 /* Scheduling policies */
119 #define	LINUX_SCHED_OTHER	0
120 #define	LINUX_SCHED_FIFO	1
121 #define	LINUX_SCHED_RR		2
122 
123 /* Resource limits */
124 #define	LINUX_RLIMIT_CPU	0
125 #define	LINUX_RLIMIT_FSIZE	1
126 #define	LINUX_RLIMIT_DATA	2
127 #define	LINUX_RLIMIT_STACK	3
128 #define	LINUX_RLIMIT_CORE	4
129 #define	LINUX_RLIMIT_RSS	5
130 #define	LINUX_RLIMIT_NPROC	6
131 #define	LINUX_RLIMIT_NOFILE	7
132 #define	LINUX_RLIMIT_MEMLOCK	8
133 #define	LINUX_RLIMIT_AS		9       /* address space limit */
134 
135 #define	LINUX_RLIM_NLIMITS	10
136 
137 struct l_rlimit {
138 	l_ulong rlim_cur;
139 	l_ulong rlim_max;
140 };
141 
142 /* mmap options */
143 #define	LINUX_MAP_SHARED	0x0001
144 #define	LINUX_MAP_PRIVATE	0x0002
145 #define	LINUX_MAP_FIXED		0x0010
146 #define	LINUX_MAP_ANON		0x0020
147 #define	LINUX_MAP_GROWSDOWN	0x0100
148 
149 /*
150  * stat family of syscalls
151  */
152 struct l_timespec {
153 	l_ulong		tv_sec;
154 	l_ulong		tv_nsec;
155 };
156 
157 struct l_newstat {
158 	l_ushort	st_dev;
159 	l_ushort	__pad1;
160 	l_ulong		st_ino;
161 	l_ushort	st_mode;
162 	l_ushort	st_nlink;
163 	l_ushort	st_uid;
164 	l_ushort	st_gid;
165 	l_ushort	st_rdev;
166 	l_ushort	__pad2;
167 	l_ulong		st_size;
168 	l_ulong		st_blksize;
169 	l_ulong		st_blocks;
170 	struct l_timespec	st_atimespec;
171 	struct l_timespec	st_mtimespec;
172 	struct l_timespec	st_ctimespec;
173 	l_ulong		__unused4;
174 	l_ulong		__unused5;
175 };
176 
177 struct l_stat {
178 	l_ushort        st_dev;
179 	l_ulong         st_ino;
180 	l_ushort        st_mode;
181 	l_ushort        st_nlink;
182 	l_ushort        st_uid;
183 	l_ushort        st_gid;
184 	l_ushort        st_rdev;
185 	l_long          st_size;
186 	struct l_timespec       st_atimespec;
187 	struct l_timespec       st_mtimespec;
188 	struct l_timespec       st_ctimespec;
189 	l_long          st_blksize;
190 	l_long          st_blocks;
191 	l_ulong         st_flags;
192 	l_ulong         st_gen;
193 };
194 
195 struct l_stat64 {
196 	l_ushort	st_dev;
197 	u_char		__pad0[10];
198 	l_ulong		__st_ino;
199 	l_uint		st_mode;
200 	l_uint		st_nlink;
201 	l_ulong		st_uid;
202 	l_ulong		st_gid;
203 	l_ushort	st_rdev;
204 	u_char		__pad3[10];
205 	l_longlong	st_size;
206 	l_ulong		st_blksize;
207 	l_ulong		st_blocks;
208 	l_ulong		__pad4;
209 	struct l_timespec	st_atimespec;
210 	struct l_timespec	st_mtimespec;
211 	struct l_timespec	st_ctimespec;
212 	l_ulonglong	st_ino;
213 };
214 
215 struct l_new_utsname {
216 	char	sysname[LINUX_MAX_UTSNAME];
217 	char	nodename[LINUX_MAX_UTSNAME];
218 	char	release[LINUX_MAX_UTSNAME];
219 	char	version[LINUX_MAX_UTSNAME];
220 	char	machine[LINUX_MAX_UTSNAME];
221 	char	domainname[LINUX_MAX_UTSNAME];
222 };
223 
224 /*
225  * Signalling
226  */
227 #define	LINUX_SIGHUP		1
228 #define	LINUX_SIGINT		2
229 #define	LINUX_SIGQUIT		3
230 #define	LINUX_SIGILL		4
231 #define	LINUX_SIGTRAP		5
232 #define	LINUX_SIGABRT		6
233 #define	LINUX_SIGIOT		LINUX_SIGABRT
234 #define	LINUX_SIGBUS		7
235 #define	LINUX_SIGFPE		8
236 #define	LINUX_SIGKILL		9
237 #define	LINUX_SIGUSR1		10
238 #define	LINUX_SIGSEGV		11
239 #define	LINUX_SIGUSR2		12
240 #define	LINUX_SIGPIPE		13
241 #define	LINUX_SIGALRM		14
242 #define	LINUX_SIGTERM		15
243 #define	LINUX_SIGSTKFLT		16
244 #define	LINUX_SIGCHLD		17
245 #define	LINUX_SIGCONT		18
246 #define	LINUX_SIGSTOP		19
247 #define	LINUX_SIGTSTP		20
248 #define	LINUX_SIGTTIN		21
249 #define	LINUX_SIGTTOU		22
250 #define	LINUX_SIGURG		23
251 #define	LINUX_SIGXCPU		24
252 #define	LINUX_SIGXFSZ		25
253 #define	LINUX_SIGVTALRM		26
254 #define	LINUX_SIGPROF		27
255 #define	LINUX_SIGWINCH		28
256 #define	LINUX_SIGIO		29
257 #define	LINUX_SIGPOLL		LINUX_SIGIO
258 #define	LINUX_SIGPWR		30
259 #define	LINUX_SIGSYS		31
260 
261 #define	LINUX_SIGTBLSZ		31
262 #define	LINUX_NSIG_WORDS	2
263 #define	LINUX_NBPW		32
264 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
265 
266 /* sigaction flags */
267 #define	LINUX_SA_NOCLDSTOP	0x00000001
268 #define	LINUX_SA_NOCLDWAIT	0x00000002
269 #define	LINUX_SA_SIGINFO	0x00000004
270 #define	LINUX_SA_RESTORER	0x04000000
271 #define	LINUX_SA_ONSTACK	0x08000000
272 #define	LINUX_SA_RESTART	0x10000000
273 #define	LINUX_SA_INTERRUPT	0x20000000
274 #define	LINUX_SA_NOMASK		0x40000000
275 #define	LINUX_SA_ONESHOT	0x80000000
276 
277 /* sigprocmask actions */
278 #define	LINUX_SIG_BLOCK		0
279 #define	LINUX_SIG_UNBLOCK	1
280 #define	LINUX_SIG_SETMASK	2
281 
282 /* sigset_t macros */
283 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
284 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
285 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
286 
287 /* sigaltstack */
288 #define LINUX_MINSIGSTKSZ	2048
289 #define LINUX_SS_ONSTACK	1
290 #define LINUX_SS_DISABLE	2
291 
292 int linux_to_bsd_sigaltstack(int lsa);
293 int bsd_to_linux_sigaltstack(int bsa);
294 
295 typedef void	(*l_handler_t)(l_int);
296 typedef l_ulong	l_osigset_t;
297 
298 typedef struct {
299 	l_uint	__bits[LINUX_NSIG_WORDS];
300 } l_sigset_t;
301 
302 typedef struct {
303 	l_handler_t	lsa_handler;
304 	l_osigset_t	lsa_mask;
305 	l_ulong		lsa_flags;
306 	void	(*lsa_restorer)(void);
307 } l_osigaction_t;
308 
309 typedef struct {
310 	l_handler_t	lsa_handler;
311 	l_ulong		lsa_flags;
312 	void	(*lsa_restorer)(void);
313 	l_sigset_t	lsa_mask;
314 } l_sigaction_t;
315 
316 typedef struct {
317 	void		*ss_sp;
318 	l_int		ss_flags;
319 	l_size_t	ss_size;
320 } l_stack_t;
321 
322 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
323 struct l_sigcontext {
324 	l_int		sc_gs;
325 	l_int		sc_fs;
326 	l_int		sc_es;
327 	l_int		sc_ds;
328 	l_int		sc_edi;
329 	l_int		sc_esi;
330 	l_int		sc_ebp;
331 	l_int		sc_esp;
332 	l_int		sc_ebx;
333 	l_int		sc_edx;
334 	l_int		sc_ecx;
335 	l_int		sc_eax;
336 	l_int		sc_trapno;
337 	l_int		sc_err;
338 	l_int		sc_eip;
339 	l_int		sc_cs;
340 	l_int		sc_eflags;
341 	l_int		sc_esp_at_signal;
342 	l_int		sc_ss;
343 	l_int		sc_387;
344 	l_int		sc_mask;
345 	l_int		sc_cr2;
346 };
347 
348 struct l_ucontext {
349 	l_ulong		uc_flags;
350 	void		*uc_link;
351 	l_stack_t	uc_stack;
352 	struct l_sigcontext	uc_mcontext;
353         l_sigset_t	uc_sigmask;
354 };
355 
356 #define LINUX_SI_MAX_SIZE     128
357 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
358 
359 typedef struct l_siginfo {
360 	l_int		lsi_signo;
361 	l_int		lsi_errno;
362 	l_int		lsi_code;
363 	union {
364 		l_int	_pad[LINUX_SI_PAD_SIZE];
365 
366 		struct {
367 			l_pid_t		_pid;
368 			l_uid16_t	_uid;
369 		} _kill;
370 
371 		struct {
372 			l_uint		_timer1;
373 			l_uint		_timer2;
374 		} _timer;
375 
376 		struct {
377 			l_pid_t		_pid;		/* sender's pid */
378 			l_uid16_t	_uid;		/* sender's uid */
379 			union sigval _sigval;
380 		} _rt;
381 
382 		struct {
383 			l_pid_t		_pid;		/* which child */
384 			l_uid16_t	_uid;		/* sender's uid */
385 			l_int		_status;	/* exit code */
386 			l_clock_t	_utime;
387 			l_clock_t	_stime;
388 		} _sigchld;
389 
390 		struct {
391 			void		*_addr; /* faulting insn/memory ref. */
392 		} _sigfault;
393 
394 		struct {
395 			l_int		_band;  /* POLL_IN,POLL_OUT,POLL_MSG */
396 			l_int		_fd;
397 		} _sigpoll;
398 	} _sifields;
399 } l_siginfo_t;
400 
401 #define lsi_pid          _sifields._kill._pid
402 #define lsi_uid          _sifields._kill._uid
403 #define lsi_status       _sifields._sigchld._status
404 #define lsi_utime        _sifields._sigchld._utime
405 #define lsi_stime        _sifields._sigchld._stime
406 #define lsi_value        _sifields._rt._sigval
407 #define lsi_int          _sifields._rt._sigval.sival_int
408 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
409 #define lsi_addr         _sifields._sigfault._addr
410 #define lsi_band         _sifields._sigpoll._band
411 #define lsi_fd           _sifields._sigpoll._fd
412 
413 struct l_fpreg {
414 	u_int16_t significand[4];
415 	u_int16_t exponent;
416 };
417 
418 struct l_fpxreg {
419 	u_int16_t significand[4];
420 	u_int16_t exponent;
421 	u_int16_t padding[3];
422 };
423 
424 struct l_xmmreg {
425 	u_int32_t element[4];
426 };
427 
428 struct l_fpstate {
429 	/* Regular FPU environment */
430 	u_int32_t		cw;
431 	u_int32_t		sw;
432 	u_int32_t		tag;
433 	u_int32_t		ipoff;
434 	u_int32_t		cssel;
435 	u_int32_t		dataoff;
436 	u_int32_t		datasel;
437 	struct l_fpreg		_st[8];
438 	u_int16_t		status;
439 	u_int16_t		magic;  /* 0xffff = regular FPU data */
440 
441 	/* FXSR FPU environment */
442 	u_int32_t		_fxsr_env[6]; /* env is ignored */
443 	u_int32_t		mxcsr;
444 	u_int32_t		reserved;
445 	struct l_fpxreg		_fxsr_st[8];  /* reg data is ignored */
446 	struct l_xmmreg		_xmm[8];
447 	u_int32_t		padding[56];
448 };
449 
450 /*
451  * We make the stack look like Linux expects it when calling a signal
452  * handler, but use the BSD way of calling the handler and sigreturn().
453  * This means that we need to pass the pointer to the handler too.
454  * It is appended to the frame to not interfere with the rest of it.
455  */
456 struct l_sigframe {
457 	l_int			sf_sig;
458 	struct l_sigcontext	sf_sc;
459 	struct l_fpstate	sf_fpstate;
460 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
461 	l_handler_t		sf_handler;
462 };
463 
464 struct l_rt_sigframe {
465 	l_int			sf_sig;
466 	l_siginfo_t 		*sf_siginfo;
467 	struct l_ucontext	*sf_ucontext;
468 	l_siginfo_t		sf_si;
469 	struct l_ucontext 	sf_sc;
470 	l_handler_t 		sf_handler;
471 };
472 
473 extern int bsd_to_linux_signal[];
474 extern int linux_to_bsd_signal[];
475 extern struct sysentvec linux_sysvec;
476 extern struct sysentvec elf_linux_sysvec;
477 
478 /*
479  * Pluggable ioctl handlers
480  */
481 struct linux_ioctl_args;
482 struct thread;
483 
484 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
485 
486 struct linux_ioctl_handler {
487 	linux_ioctl_function_t *func;
488 	int	low, high;
489 };
490 
491 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
492 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
493 
494 /*
495  * open/fcntl flags
496  */
497 #define	LINUX_O_RDONLY		00
498 #define	LINUX_O_WRONLY		01
499 #define	LINUX_O_RDWR		02
500 #define	LINUX_O_CREAT		0100
501 #define	LINUX_O_EXCL		0200
502 #define	LINUX_O_NOCTTY		0400
503 #define	LINUX_O_TRUNC		01000
504 #define	LINUX_O_APPEND		02000
505 #define	LINUX_O_NONBLOCK	04000
506 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
507 #define	LINUX_O_SYNC		010000
508 #define	LINUX_FASYNC		020000
509 #define	LINUX_O_DIRECT		040000	/* direct disk access hint */
510 #define	LINUX_O_LARGEFILE	0100000
511 #define	LINUX_O_DIRECTORY	0200000	/* must be a directory */
512 #define	LINUX_O_NOFOLLOW	0400000	/* don't follow links */
513 #define	LINUX_O_NOATIME		01000000
514 
515 #define	LINUX_F_DUPFD		0
516 #define	LINUX_F_GETFD		1
517 #define	LINUX_F_SETFD		2
518 #define	LINUX_F_GETFL		3
519 #define	LINUX_F_SETFL		4
520 #define	LINUX_F_GETLK		5
521 #define	LINUX_F_SETLK		6
522 #define	LINUX_F_SETLKW		7
523 #define	LINUX_F_SETOWN		8
524 #define	LINUX_F_GETOWN		9
525 
526 #define	LINUX_F_GETLK64		12
527 #define	LINUX_F_SETLK64		13
528 #define	LINUX_F_SETLKW64	14
529 
530 #define	LINUX_F_RDLCK		0
531 #define	LINUX_F_WRLCK		1
532 #define	LINUX_F_UNLCK		2
533 
534 /*
535  * mount flags
536  */
537 #define LINUX_MS_RDONLY         0x0001
538 #define LINUX_MS_NOSUID         0x0002
539 #define LINUX_MS_NODEV          0x0004
540 #define LINUX_MS_NOEXEC         0x0008
541 #define LINUX_MS_REMOUNT        0x0020
542 
543 /*
544  * SystemV IPC defines
545  */
546 #define	LINUX_SEMOP		1
547 #define	LINUX_SEMGET		2
548 #define	LINUX_SEMCTL		3
549 #define	LINUX_MSGSND		11
550 #define	LINUX_MSGRCV		12
551 #define	LINUX_MSGGET		13
552 #define	LINUX_MSGCTL		14
553 #define	LINUX_SHMAT		21
554 #define	LINUX_SHMDT		22
555 #define	LINUX_SHMGET		23
556 #define	LINUX_SHMCTL		24
557 
558 #define	LINUX_IPC_RMID		0
559 #define	LINUX_IPC_SET		1
560 #define	LINUX_IPC_STAT		2
561 #define	LINUX_IPC_INFO		3
562 
563 #define	LINUX_SHM_LOCK		11
564 #define	LINUX_SHM_UNLOCK	12
565 #define	LINUX_SHM_STAT		13
566 #define	LINUX_SHM_INFO		14
567 
568 #define	LINUX_SHM_RDONLY	0x1000
569 #define	LINUX_SHM_RND		0x2000
570 #define	LINUX_SHM_REMAP		0x4000
571 
572 /* semctl commands */
573 #define	LINUX_GETPID		11
574 #define	LINUX_GETVAL		12
575 #define	LINUX_GETALL		13
576 #define	LINUX_GETNCNT		14
577 #define	LINUX_GETZCNT		15
578 #define	LINUX_SETVAL		16
579 #define	LINUX_SETALL		17
580 #define	LINUX_SEM_STAT		18
581 #define	LINUX_SEM_INFO		19
582 
583 union l_semun {
584 	l_int		val;
585 	struct l_semid_ds	*buf;
586 	l_ushort	*array;
587 	struct l_seminfo	*__buf;
588 	void		*__pad;
589 };
590 
591 /*
592  * Socket defines
593  */
594 #define	LINUX_SOCKET 		1
595 #define	LINUX_BIND		2
596 #define	LINUX_CONNECT 		3
597 #define	LINUX_LISTEN 		4
598 #define	LINUX_ACCEPT 		5
599 #define	LINUX_GETSOCKNAME	6
600 #define	LINUX_GETPEERNAME	7
601 #define	LINUX_SOCKETPAIR	8
602 #define	LINUX_SEND		9
603 #define	LINUX_RECV		10
604 #define	LINUX_SENDTO 		11
605 #define	LINUX_RECVFROM 		12
606 #define	LINUX_SHUTDOWN 		13
607 #define	LINUX_SETSOCKOPT	14
608 #define	LINUX_GETSOCKOPT	15
609 #define	LINUX_SENDMSG		16
610 #define	LINUX_RECVMSG		17
611 
612 #define	LINUX_AF_UNSPEC		0
613 #define	LINUX_AF_UNIX		1
614 #define	LINUX_AF_INET		2
615 #define	LINUX_AF_AX25		3
616 #define	LINUX_AF_IPX		4
617 #define	LINUX_AF_APPLETALK	5
618 #define	LINUX_AF_INET6		10
619 
620 #define	LINUX_SOL_SOCKET	1
621 #define	LINUX_SOL_IP		0
622 #define	LINUX_SOL_IPX		256
623 #define	LINUX_SOL_AX25		257
624 #define	LINUX_SOL_TCP		6
625 #define	LINUX_SOL_UDP		17
626 
627 #define	LINUX_SO_DEBUG		1
628 #define	LINUX_SO_REUSEADDR	2
629 #define	LINUX_SO_TYPE		3
630 #define	LINUX_SO_ERROR		4
631 #define	LINUX_SO_DONTROUTE	5
632 #define	LINUX_SO_BROADCAST	6
633 #define	LINUX_SO_SNDBUF		7
634 #define	LINUX_SO_RCVBUF		8
635 #define	LINUX_SO_KEEPALIVE	9
636 #define	LINUX_SO_OOBINLINE	10
637 #define	LINUX_SO_NO_CHECK	11
638 #define	LINUX_SO_PRIORITY	12
639 #define	LINUX_SO_LINGER		13
640 
641 #define	LINUX_IP_TOS		1
642 #define	LINUX_IP_TTL		2
643 #define	LINUX_IP_HDRINCL	3
644 #define	LINUX_IP_OPTIONS	4
645 
646 #define	LINUX_IP_MULTICAST_IF		32
647 #define	LINUX_IP_MULTICAST_TTL		33
648 #define	LINUX_IP_MULTICAST_LOOP		34
649 #define	LINUX_IP_ADD_MEMBERSHIP		35
650 #define	LINUX_IP_DROP_MEMBERSHIP	36
651 
652 struct l_sockaddr {
653 	l_ushort	sa_family;
654 	char		sa_data[14];
655 };
656 
657 struct l_ifmap {
658 	l_ulong		mem_start;
659 	l_ulong		mem_end;
660 	l_ushort	base_addr;
661 	u_char		irq;
662 	u_char		dma;
663 	u_char		port;
664 };
665 
666 #define	LINUX_IFHWADDRLEN	6
667 #define	LINUX_IFNAMSIZ		16
668 
669 struct l_ifreq {
670 	union {
671 		char	ifrn_name[LINUX_IFNAMSIZ];
672 	} ifr_ifrn;
673 
674 	union {
675 		struct l_sockaddr	ifru_addr;
676 		struct l_sockaddr	ifru_dstaddr;
677 		struct l_sockaddr	ifru_broadaddr;
678 		struct l_sockaddr	ifru_netmask;
679 		struct l_sockaddr	ifru_hwaddr;
680 		l_short		ifru_flags[1];
681 		l_int		ifru_metric;
682 		l_int		ifru_mtu;
683 		struct l_ifmap	ifru_map;
684 		char		ifru_slave[LINUX_IFNAMSIZ];
685 		l_caddr_t	ifru_data;
686 	} ifr_ifru;
687 };
688 
689 #define	ifr_name	ifr_ifrn.ifrn_name	/* interface name */
690 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
691 
692 /*
693  * poll()
694  */
695 #define	LINUX_POLLIN		0x0001
696 #define	LINUX_POLLPRI		0x0002
697 #define	LINUX_POLLOUT		0x0004
698 #define	LINUX_POLLERR		0x0008
699 #define	LINUX_POLLHUP		0x0010
700 #define	LINUX_POLLNVAL		0x0020
701 #define	LINUX_POLLRDNORM	0x0040
702 #define	LINUX_POLLRDBAND	0x0080
703 #define	LINUX_POLLWRNORM	0x0100
704 #define	LINUX_POLLWRBAND	0x0200
705 #define	LINUX_POLLMSG		0x0400
706 
707 struct l_pollfd {
708 	l_int		fd;
709 	l_short		events;
710 	l_short		revents;
711 };
712 
713 struct l_user_desc {
714 	l_uint		entry_number;
715 	l_uint		base_addr;
716 	l_uint		limit;
717 	l_uint		seg_32bit:1;
718 	l_uint		contents:2;
719 	l_uint		read_exec_only:1;
720 	l_uint		limit_in_pages:1;
721 	l_uint		seg_not_present:1;
722 	l_uint		useable:1;
723 };
724 
725 struct l_desc_struct {
726            unsigned long a,b;
727 };
728 
729 
730 #define LINUX_LOWERWORD	0x0000ffff
731 
732 /* macros which does the same thing as those in linux include/asm-um/ldt-i386.h
733  * these convert linux user-space descriptor to machine one
734  */
735 #define LDT_entry_a(info) \
736         ((((info)->base_addr & LINUX_LOWERWORD) << 16) | ((info)->limit & LINUX_LOWERWORD))
737 
738 #define ENTRY_B_READ_EXEC_ONLY	9
739 #define ENTRY_B_CONTENTS	10
740 #define ENTRY_B_SEG_NOT_PRESENT	15
741 #define ENTRY_B_BASE_ADDR	16
742 #define ENTRY_B_USEABLE		20
743 #define ENTRY_B_SEG32BIT	22
744 #define ENTRY_B_LIMIT		23
745 
746 #define LDT_entry_b(info) \
747         (((info)->base_addr & 0xff000000) | \
748         ((info)->limit & 0xf0000) | \
749         ((info)->contents << ENTRY_B_CONTENTS) | \
750         (((info)->seg_not_present == 0) << ENTRY_B_SEG_NOT_PRESENT) | \
751         (((info)->base_addr & 0x00ff0000) >> ENTRY_B_BASE_ADDR) | \
752         (((info)->read_exec_only == 0) << ENTRY_B_READ_EXEC_ONLY) | \
753         ((info)->seg_32bit << ENTRY_B_SEG32BIT) | \
754         ((info)->useable << ENTRY_B_USEABLE) | \
755         ((info)->limit_in_pages << ENTRY_B_LIMIT) | 0x7000)
756 
757 #define LDT_empty(info) (\
758         (info)->base_addr       == 0    && \
759         (info)->limit           == 0    && \
760         (info)->contents        == 0    && \
761         (info)->seg_not_present == 1    && \
762         (info)->read_exec_only  == 1    && \
763         (info)->seg_32bit       == 0    && \
764         (info)->limit_in_pages  == 0    && \
765         (info)->useable         == 0    )
766 
767 /* macros for converting segments, they do the same as those in arch/i386/kernel/process.c */
768 #define GET_BASE(desc) ( \
769         (((desc)->a >> 16) & LINUX_LOWERWORD) | \
770         (((desc)->b << 16) & 0x00ff0000) | \
771         ( (desc)->b        & 0xff000000)   )
772 
773 #define GET_LIMIT(desc) ( \
774         ((desc)->a & LINUX_LOWERWORD) | \
775          ((desc)->b & 0xf0000) )
776 
777 #define GET_32BIT(desc)         (((desc)->b >> ENTRY_B_SEG32BIT) & 1)
778 #define GET_CONTENTS(desc)      (((desc)->b >> ENTRY_B_CONTENTS) & 3)
779 #define GET_WRITABLE(desc)      (((desc)->b >> ENTRY_B_READ_EXEC_ONLY) & 1)
780 #define GET_LIMIT_PAGES(desc)   (((desc)->b >> ENTRY_B_LIMIT) & 1)
781 #define GET_PRESENT(desc)       (((desc)->b >> ENTRY_B_SEG_NOT_PRESENT) & 1)
782 #define GET_USEABLE(desc)       (((desc)->b >> ENTRY_B_USEABLE) & 1)
783 
784 #define LINUX_CLOCK_REALTIME            0
785 #define LINUX_CLOCK_MONOTONIC           1
786 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
787 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
788 #define LINUX_CLOCK_REALTIME_HR         4
789 #define LINUX_CLOCK_MONOTONIC_HR        5
790 
791 typedef int l_timer_t;
792 typedef int l_mqd_t;
793 
794 #define CLONE_VM        0x100
795 #define CLONE_FS        0x200
796 #define CLONE_FILES     0x400
797 #define CLONE_SIGHAND   0x800
798 #define CLONE_PID       0x1000          /* this flag does not exist in linux anymore */
799 #define CLONE_PARENT    0x00008000
800 #define CLONE_THREAD    0x10000
801 #define CLONE_SETTLS    0x80000
802 #define CLONE_CHILD_CLEARTID    0x00200000
803 #define CLONE_CHILD_SETTID      0x01000000
804 #define CLONE_PARENT_SETTID     0x00100000
805 
806 #define THREADING_FLAGS (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
807 
808 #endif /* !_I386_LINUX_LINUX_H_ */
809