xref: /freebsd/sys/i386/linux/linux.h (revision 7aa383846770374466b1dcb2cefd71bde9acf463)
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	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 typedef l_int		l_timer_t;
84 typedef l_int		l_mqd_t;
85 
86 typedef struct {
87 	l_int		val[2];
88 } l_fsid_t;
89 
90 typedef struct {
91 	l_time_t	tv_sec;
92 	l_suseconds_t	tv_usec;
93 } l_timeval;
94 
95 #define	l_fd_set	fd_set
96 
97 /*
98  * Miscellaneous
99  */
100 #define	LINUX_NAME_MAX		255
101 #define	LINUX_MAX_UTSNAME	65
102 
103 #define	LINUX_CTL_MAXNAME	10
104 
105 #define LINUX_AT_COUNT		16	/* Count of used aux entry types.
106 					 * Keep this synchronized with
107 					 * elf_linux_fixup() code.
108 					 */
109 struct l___sysctl_args
110 {
111 	l_int		*name;
112 	l_int		nlen;
113 	void		*oldval;
114 	l_size_t	*oldlenp;
115 	void		*newval;
116 	l_size_t	newlen;
117 	l_ulong		__spare[4];
118 };
119 
120 /* Scheduling policies */
121 #define	LINUX_SCHED_OTHER	0
122 #define	LINUX_SCHED_FIFO	1
123 #define	LINUX_SCHED_RR		2
124 
125 /* Resource limits */
126 #define	LINUX_RLIMIT_CPU	0
127 #define	LINUX_RLIMIT_FSIZE	1
128 #define	LINUX_RLIMIT_DATA	2
129 #define	LINUX_RLIMIT_STACK	3
130 #define	LINUX_RLIMIT_CORE	4
131 #define	LINUX_RLIMIT_RSS	5
132 #define	LINUX_RLIMIT_NPROC	6
133 #define	LINUX_RLIMIT_NOFILE	7
134 #define	LINUX_RLIMIT_MEMLOCK	8
135 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
136 
137 #define	LINUX_RLIM_NLIMITS	10
138 
139 struct l_rlimit {
140 	l_ulong rlim_cur;
141 	l_ulong rlim_max;
142 };
143 
144 /* mmap options */
145 #define	LINUX_MAP_SHARED	0x0001
146 #define	LINUX_MAP_PRIVATE	0x0002
147 #define	LINUX_MAP_FIXED		0x0010
148 #define	LINUX_MAP_ANON		0x0020
149 #define	LINUX_MAP_GROWSDOWN	0x0100
150 
151 struct l_mmap_argv {
152 	l_uintptr_t	addr;
153 	l_size_t	len;
154 	l_int		prot;
155 	l_int		flags;
156 	l_int		fd;
157 	l_off_t		pgoff;
158 } __packed;
159 
160 /*
161  * stat family of syscalls
162  */
163 struct l_timespec {
164 	l_time_t	tv_sec;
165 	l_long		tv_nsec;
166 };
167 
168 struct l_newstat {
169 	l_ushort	st_dev;
170 	l_ushort	__pad1;
171 	l_ulong		st_ino;
172 	l_ushort	st_mode;
173 	l_ushort	st_nlink;
174 	l_ushort	st_uid;
175 	l_ushort	st_gid;
176 	l_ushort	st_rdev;
177 	l_ushort	__pad2;
178 	l_ulong		st_size;
179 	l_ulong		st_blksize;
180 	l_ulong		st_blocks;
181 	struct l_timespec	st_atim;
182 	struct l_timespec	st_mtim;
183 	struct l_timespec	st_ctim;
184 	l_ulong		__unused4;
185 	l_ulong		__unused5;
186 };
187 
188 struct l_stat {
189 	l_ushort	st_dev;
190 	l_ulong		st_ino;
191 	l_ushort	st_mode;
192 	l_ushort	st_nlink;
193 	l_ushort	st_uid;
194 	l_ushort	st_gid;
195 	l_ushort	st_rdev;
196 	l_long		st_size;
197 	struct l_timespec	st_atim;
198 	struct l_timespec	st_mtim;
199 	struct l_timespec	st_ctim;
200 	l_long		st_blksize;
201 	l_long		st_blocks;
202 	l_ulong		st_flags;
203 	l_ulong		st_gen;
204 };
205 
206 struct l_stat64 {
207 	l_ushort	st_dev;
208 	u_char		__pad0[10];
209 	l_ulong		__st_ino;
210 	l_uint		st_mode;
211 	l_uint		st_nlink;
212 	l_ulong		st_uid;
213 	l_ulong		st_gid;
214 	l_ushort	st_rdev;
215 	u_char		__pad3[10];
216 	l_longlong	st_size;
217 	l_ulong		st_blksize;
218 	l_ulong		st_blocks;
219 	l_ulong		__pad4;
220 	struct l_timespec	st_atim;
221 	struct l_timespec	st_mtim;
222 	struct l_timespec	st_ctim;
223 	l_ulonglong	st_ino;
224 };
225 
226 struct l_statfs64 {
227         l_int           f_type;
228         l_int           f_bsize;
229         uint64_t        f_blocks;
230         uint64_t        f_bfree;
231         uint64_t        f_bavail;
232         uint64_t        f_files;
233         uint64_t        f_ffree;
234         l_fsid_t        f_fsid;
235         l_int           f_namelen;
236         l_int           f_spare[6];
237 };
238 
239 struct l_new_utsname {
240 	char	sysname[LINUX_MAX_UTSNAME];
241 	char	nodename[LINUX_MAX_UTSNAME];
242 	char	release[LINUX_MAX_UTSNAME];
243 	char	version[LINUX_MAX_UTSNAME];
244 	char	machine[LINUX_MAX_UTSNAME];
245 	char	domainname[LINUX_MAX_UTSNAME];
246 };
247 
248 /*
249  * Signalling
250  */
251 #define	LINUX_SIGHUP		1
252 #define	LINUX_SIGINT		2
253 #define	LINUX_SIGQUIT		3
254 #define	LINUX_SIGILL		4
255 #define	LINUX_SIGTRAP		5
256 #define	LINUX_SIGABRT		6
257 #define	LINUX_SIGIOT		LINUX_SIGABRT
258 #define	LINUX_SIGBUS		7
259 #define	LINUX_SIGFPE		8
260 #define	LINUX_SIGKILL		9
261 #define	LINUX_SIGUSR1		10
262 #define	LINUX_SIGSEGV		11
263 #define	LINUX_SIGUSR2		12
264 #define	LINUX_SIGPIPE		13
265 #define	LINUX_SIGALRM		14
266 #define	LINUX_SIGTERM		15
267 #define	LINUX_SIGSTKFLT		16
268 #define	LINUX_SIGCHLD		17
269 #define	LINUX_SIGCONT		18
270 #define	LINUX_SIGSTOP		19
271 #define	LINUX_SIGTSTP		20
272 #define	LINUX_SIGTTIN		21
273 #define	LINUX_SIGTTOU		22
274 #define	LINUX_SIGURG		23
275 #define	LINUX_SIGXCPU		24
276 #define	LINUX_SIGXFSZ		25
277 #define	LINUX_SIGVTALRM		26
278 #define	LINUX_SIGPROF		27
279 #define	LINUX_SIGWINCH		28
280 #define	LINUX_SIGIO		29
281 #define	LINUX_SIGPOLL		LINUX_SIGIO
282 #define	LINUX_SIGPWR		30
283 #define	LINUX_SIGSYS		31
284 
285 #define	LINUX_SIGTBLSZ		31
286 #define	LINUX_NSIG_WORDS	2
287 #define	LINUX_NBPW		32
288 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
289 
290 /* sigaction flags */
291 #define	LINUX_SA_NOCLDSTOP	0x00000001
292 #define	LINUX_SA_NOCLDWAIT	0x00000002
293 #define	LINUX_SA_SIGINFO	0x00000004
294 #define	LINUX_SA_RESTORER	0x04000000
295 #define	LINUX_SA_ONSTACK	0x08000000
296 #define	LINUX_SA_RESTART	0x10000000
297 #define	LINUX_SA_INTERRUPT	0x20000000
298 #define	LINUX_SA_NOMASK		0x40000000
299 #define	LINUX_SA_ONESHOT	0x80000000
300 
301 /* sigprocmask actions */
302 #define	LINUX_SIG_BLOCK		0
303 #define	LINUX_SIG_UNBLOCK	1
304 #define	LINUX_SIG_SETMASK	2
305 
306 /* sigset_t macros */
307 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
308 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
309 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
310 
311 /* sigaltstack */
312 #define	LINUX_MINSIGSTKSZ	2048
313 #define	LINUX_SS_ONSTACK	1
314 #define	LINUX_SS_DISABLE	2
315 
316 int linux_to_bsd_sigaltstack(int lsa);
317 int bsd_to_linux_sigaltstack(int bsa);
318 
319 typedef void	(*l_handler_t)(l_int);
320 typedef l_ulong	l_osigset_t;
321 
322 typedef struct {
323 	l_uint	__bits[LINUX_NSIG_WORDS];
324 } l_sigset_t;
325 
326 typedef struct {
327 	l_handler_t	lsa_handler;
328 	l_osigset_t	lsa_mask;
329 	l_ulong		lsa_flags;
330 	void	(*lsa_restorer)(void);
331 } l_osigaction_t;
332 
333 typedef struct {
334 	l_handler_t	lsa_handler;
335 	l_ulong		lsa_flags;
336 	void	(*lsa_restorer)(void);
337 	l_sigset_t	lsa_mask;
338 } l_sigaction_t;
339 
340 typedef struct {
341 	void		*ss_sp;
342 	l_int		ss_flags;
343 	l_size_t	ss_size;
344 } l_stack_t;
345 
346 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
347 struct l_sigcontext {
348 	l_int		sc_gs;
349 	l_int		sc_fs;
350 	l_int		sc_es;
351 	l_int		sc_ds;
352 	l_int		sc_edi;
353 	l_int		sc_esi;
354 	l_int		sc_ebp;
355 	l_int		sc_esp;
356 	l_int		sc_ebx;
357 	l_int		sc_edx;
358 	l_int		sc_ecx;
359 	l_int		sc_eax;
360 	l_int		sc_trapno;
361 	l_int		sc_err;
362 	l_int		sc_eip;
363 	l_int		sc_cs;
364 	l_int		sc_eflags;
365 	l_int		sc_esp_at_signal;
366 	l_int		sc_ss;
367 	l_int		sc_387;
368 	l_int		sc_mask;
369 	l_int		sc_cr2;
370 };
371 
372 struct l_ucontext {
373 	l_ulong		uc_flags;
374 	void		*uc_link;
375 	l_stack_t	uc_stack;
376 	struct l_sigcontext	uc_mcontext;
377 	l_sigset_t	uc_sigmask;
378 };
379 
380 #define	LINUX_SI_MAX_SIZE	128
381 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
382 
383 typedef union l_sigval {
384 	l_int		sival_int;
385 	l_uintptr_t	sival_ptr;
386 } l_sigval_t;
387 
388 typedef struct l_siginfo {
389 	l_int		lsi_signo;
390 	l_int		lsi_errno;
391 	l_int		lsi_code;
392 	union {
393 		l_int	_pad[LINUX_SI_PAD_SIZE];
394 
395 		struct {
396 			l_pid_t		_pid;
397 			l_uid_t		_uid;
398 		} _kill;
399 
400 		struct {
401 			l_timer_t	_tid;
402 			l_int		_overrun;
403 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
404 			l_sigval_t	_sigval;
405 			l_int		_sys_private;
406 		} _timer;
407 
408 		struct {
409 			l_pid_t		_pid;		/* sender's pid */
410 			l_uid_t		_uid;		/* sender's uid */
411 			l_sigval_t	_sigval;
412 		} _rt;
413 
414 		struct {
415 			l_pid_t		_pid;		/* which child */
416 			l_uid_t		_uid;		/* sender's uid */
417 			l_int		_status;	/* exit code */
418 			l_clock_t	_utime;
419 			l_clock_t	_stime;
420 		} _sigchld;
421 
422 		struct {
423 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
424 		} _sigfault;
425 
426 		struct {
427 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
428 			l_int		_fd;
429 		} _sigpoll;
430 	} _sifields;
431 } l_siginfo_t;
432 
433 #define	lsi_pid		_sifields._kill._pid
434 #define	lsi_uid		_sifields._kill._uid
435 #define	lsi_tid		_sifields._timer._tid
436 #define	lsi_overrun	_sifields._timer._overrun
437 #define	lsi_sys_private	_sifields._timer._sys_private
438 #define	lsi_status	_sifields._sigchld._status
439 #define	lsi_utime	_sifields._sigchld._utime
440 #define	lsi_stime	_sifields._sigchld._stime
441 #define	lsi_value	_sifields._rt._sigval
442 #define	lsi_int		_sifields._rt._sigval.sival_int
443 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
444 #define	lsi_addr	_sifields._sigfault._addr
445 #define	lsi_band	_sifields._sigpoll._band
446 #define	lsi_fd		_sifields._sigpoll._fd
447 
448 struct l_fpreg {
449 	u_int16_t	significand[4];
450 	u_int16_t	exponent;
451 };
452 
453 struct l_fpxreg {
454 	u_int16_t	significand[4];
455 	u_int16_t	exponent;
456 	u_int16_t	padding[3];
457 };
458 
459 struct l_xmmreg {
460 	u_int32_t	element[4];
461 };
462 
463 struct l_fpstate {
464 	/* Regular FPU environment */
465 	u_int32_t		cw;
466 	u_int32_t		sw;
467 	u_int32_t		tag;
468 	u_int32_t		ipoff;
469 	u_int32_t		cssel;
470 	u_int32_t		dataoff;
471 	u_int32_t		datasel;
472 	struct l_fpreg		_st[8];
473 	u_int16_t		status;
474 	u_int16_t		magic;		/* 0xffff = regular FPU data */
475 
476 	/* FXSR FPU environment */
477 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
478 	u_int32_t		mxcsr;
479 	u_int32_t		reserved;
480 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
481 	struct l_xmmreg		_xmm[8];
482 	u_int32_t		padding[56];
483 };
484 
485 /*
486  * We make the stack look like Linux expects it when calling a signal
487  * handler, but use the BSD way of calling the handler and sigreturn().
488  * This means that we need to pass the pointer to the handler too.
489  * It is appended to the frame to not interfere with the rest of it.
490  */
491 struct l_sigframe {
492 	l_int			sf_sig;
493 	struct l_sigcontext	sf_sc;
494 	struct l_fpstate	sf_fpstate;
495 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
496 	l_handler_t		sf_handler;
497 };
498 
499 struct l_rt_sigframe {
500 	l_int			sf_sig;
501 	l_siginfo_t 		*sf_siginfo;
502 	struct l_ucontext	*sf_ucontext;
503 	l_siginfo_t		sf_si;
504 	struct l_ucontext 	sf_sc;
505 	l_handler_t 		sf_handler;
506 };
507 
508 extern int bsd_to_linux_signal[];
509 extern int linux_to_bsd_signal[];
510 extern struct sysentvec linux_sysvec;
511 extern struct sysentvec elf_linux_sysvec;
512 
513 /*
514  * Pluggable ioctl handlers
515  */
516 struct linux_ioctl_args;
517 struct thread;
518 
519 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
520 
521 struct linux_ioctl_handler {
522 	linux_ioctl_function_t *func;
523 	int	low, high;
524 };
525 
526 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
527 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
528 
529 /*
530  * open/fcntl flags
531  */
532 #define	LINUX_O_RDONLY		00000000
533 #define	LINUX_O_WRONLY		00000001
534 #define	LINUX_O_RDWR		00000002
535 #define	LINUX_O_ACCMODE		00000003
536 #define	LINUX_O_CREAT		00000100
537 #define	LINUX_O_EXCL		00000200
538 #define	LINUX_O_NOCTTY		00000400
539 #define	LINUX_O_TRUNC		00001000
540 #define	LINUX_O_APPEND		00002000
541 #define	LINUX_O_NONBLOCK	00004000
542 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
543 #define	LINUX_O_SYNC		00010000
544 #define	LINUX_FASYNC		00020000
545 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
546 #define	LINUX_O_LARGEFILE	00100000
547 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
548 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
549 #define	LINUX_O_NOATIME		01000000
550 #define	LINUX_O_CLOEXEC		02000000
551 
552 #define	LINUX_F_DUPFD		0
553 #define	LINUX_F_GETFD		1
554 #define	LINUX_F_SETFD		2
555 #define	LINUX_F_GETFL		3
556 #define	LINUX_F_SETFL		4
557 #define	LINUX_F_GETLK		5
558 #define	LINUX_F_SETLK		6
559 #define	LINUX_F_SETLKW		7
560 #define	LINUX_F_SETOWN		8
561 #define	LINUX_F_GETOWN		9
562 
563 #define	LINUX_F_GETLK64		12
564 #define	LINUX_F_SETLK64		13
565 #define	LINUX_F_SETLKW64	14
566 
567 #define	LINUX_F_RDLCK		0
568 #define	LINUX_F_WRLCK		1
569 #define	LINUX_F_UNLCK		2
570 
571 /*
572  * mount flags
573  */
574 #define	LINUX_MS_RDONLY		0x0001
575 #define	LINUX_MS_NOSUID		0x0002
576 #define	LINUX_MS_NODEV		0x0004
577 #define	LINUX_MS_NOEXEC		0x0008
578 #define	LINUX_MS_REMOUNT	0x0020
579 
580 /*
581  * SystemV IPC defines
582  */
583 #define	LINUX_SEMOP		1
584 #define	LINUX_SEMGET		2
585 #define	LINUX_SEMCTL		3
586 #define	LINUX_MSGSND		11
587 #define	LINUX_MSGRCV		12
588 #define	LINUX_MSGGET		13
589 #define	LINUX_MSGCTL		14
590 #define	LINUX_SHMAT		21
591 #define	LINUX_SHMDT		22
592 #define	LINUX_SHMGET		23
593 #define	LINUX_SHMCTL		24
594 
595 #define	LINUX_IPC_RMID		0
596 #define	LINUX_IPC_SET		1
597 #define	LINUX_IPC_STAT		2
598 #define	LINUX_IPC_INFO		3
599 
600 #define	LINUX_SHM_LOCK		11
601 #define	LINUX_SHM_UNLOCK	12
602 #define	LINUX_SHM_STAT		13
603 #define	LINUX_SHM_INFO		14
604 
605 #define	LINUX_SHM_RDONLY	0x1000
606 #define	LINUX_SHM_RND		0x2000
607 #define	LINUX_SHM_REMAP		0x4000
608 
609 /* semctl commands */
610 #define	LINUX_GETPID		11
611 #define	LINUX_GETVAL		12
612 #define	LINUX_GETALL		13
613 #define	LINUX_GETNCNT		14
614 #define	LINUX_GETZCNT		15
615 #define	LINUX_SETVAL		16
616 #define	LINUX_SETALL		17
617 #define	LINUX_SEM_STAT		18
618 #define	LINUX_SEM_INFO		19
619 
620 union l_semun {
621 	l_int		val;
622 	struct l_semid_ds	*buf;
623 	l_ushort	*array;
624 	struct l_seminfo	*__buf;
625 	void		*__pad;
626 };
627 
628 /*
629  * Socket defines
630  */
631 #define	LINUX_SOCKET 		1
632 #define	LINUX_BIND		2
633 #define	LINUX_CONNECT 		3
634 #define	LINUX_LISTEN 		4
635 #define	LINUX_ACCEPT 		5
636 #define	LINUX_GETSOCKNAME	6
637 #define	LINUX_GETPEERNAME	7
638 #define	LINUX_SOCKETPAIR	8
639 #define	LINUX_SEND		9
640 #define	LINUX_RECV		10
641 #define	LINUX_SENDTO 		11
642 #define	LINUX_RECVFROM 		12
643 #define	LINUX_SHUTDOWN 		13
644 #define	LINUX_SETSOCKOPT	14
645 #define	LINUX_GETSOCKOPT	15
646 #define	LINUX_SENDMSG		16
647 #define	LINUX_RECVMSG		17
648 #define	LINUX_ACCEPT4		18
649 
650 #define	LINUX_SOL_SOCKET	1
651 #define	LINUX_SOL_IP		0
652 #define	LINUX_SOL_IPX		256
653 #define	LINUX_SOL_AX25		257
654 #define	LINUX_SOL_TCP		6
655 #define	LINUX_SOL_UDP		17
656 
657 #define	LINUX_SO_DEBUG		1
658 #define	LINUX_SO_REUSEADDR	2
659 #define	LINUX_SO_TYPE		3
660 #define	LINUX_SO_ERROR		4
661 #define	LINUX_SO_DONTROUTE	5
662 #define	LINUX_SO_BROADCAST	6
663 #define	LINUX_SO_SNDBUF		7
664 #define	LINUX_SO_RCVBUF		8
665 #define	LINUX_SO_KEEPALIVE	9
666 #define	LINUX_SO_OOBINLINE	10
667 #define	LINUX_SO_NO_CHECK	11
668 #define	LINUX_SO_PRIORITY	12
669 #define	LINUX_SO_LINGER		13
670 #define	LINUX_SO_PEERCRED	17
671 #define	LINUX_SO_RCVLOWAT	18
672 #define	LINUX_SO_SNDLOWAT	19
673 #define	LINUX_SO_RCVTIMEO	20
674 #define	LINUX_SO_SNDTIMEO	21
675 #define	LINUX_SO_TIMESTAMP	29
676 #define	LINUX_SO_ACCEPTCONN	30
677 
678 #define	LINUX_IP_TOS		1
679 #define	LINUX_IP_TTL		2
680 #define	LINUX_IP_HDRINCL	3
681 #define	LINUX_IP_OPTIONS	4
682 
683 #define	LINUX_IP_MULTICAST_IF		32
684 #define	LINUX_IP_MULTICAST_TTL		33
685 #define	LINUX_IP_MULTICAST_LOOP		34
686 #define	LINUX_IP_ADD_MEMBERSHIP		35
687 #define	LINUX_IP_DROP_MEMBERSHIP	36
688 
689 struct l_sockaddr {
690 	l_ushort	sa_family;
691 	char		sa_data[14];
692 };
693 
694 struct l_msghdr {
695 	l_uintptr_t	msg_name;
696 	l_int		msg_namelen;
697 	l_uintptr_t	msg_iov;
698 	l_size_t	msg_iovlen;
699 	l_uintptr_t	msg_control;
700 	l_size_t	msg_controllen;
701 	l_uint		msg_flags;
702 };
703 
704 struct l_cmsghdr {
705 	l_size_t	cmsg_len;
706 	l_int		cmsg_level;
707 	l_int		cmsg_type;
708 };
709 
710 struct l_ifmap {
711 	l_ulong		mem_start;
712 	l_ulong		mem_end;
713 	l_ushort	base_addr;
714 	u_char		irq;
715 	u_char		dma;
716 	u_char		port;
717 };
718 
719 #define	LINUX_IFHWADDRLEN	6
720 #define	LINUX_IFNAMSIZ		16
721 
722 struct l_ifreq {
723 	union {
724 		char	ifrn_name[LINUX_IFNAMSIZ];
725 	} ifr_ifrn;
726 
727 	union {
728 		struct l_sockaddr	ifru_addr;
729 		struct l_sockaddr	ifru_dstaddr;
730 		struct l_sockaddr	ifru_broadaddr;
731 		struct l_sockaddr	ifru_netmask;
732 		struct l_sockaddr	ifru_hwaddr;
733 		l_short		ifru_flags[1];
734 		l_int		ifru_metric;
735 		l_int		ifru_mtu;
736 		struct l_ifmap	ifru_map;
737 		char		ifru_slave[LINUX_IFNAMSIZ];
738 		l_caddr_t	ifru_data;
739 	} ifr_ifru;
740 };
741 
742 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
743 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
744 
745 /*
746  * poll()
747  */
748 #define	LINUX_POLLIN		0x0001
749 #define	LINUX_POLLPRI		0x0002
750 #define	LINUX_POLLOUT		0x0004
751 #define	LINUX_POLLERR		0x0008
752 #define	LINUX_POLLHUP		0x0010
753 #define	LINUX_POLLNVAL		0x0020
754 #define	LINUX_POLLRDNORM	0x0040
755 #define	LINUX_POLLRDBAND	0x0080
756 #define	LINUX_POLLWRNORM	0x0100
757 #define	LINUX_POLLWRBAND	0x0200
758 #define	LINUX_POLLMSG		0x0400
759 
760 struct l_pollfd {
761 	l_int		fd;
762 	l_short		events;
763 	l_short		revents;
764 };
765 
766 struct l_user_desc {
767 	l_uint		entry_number;
768 	l_uint		base_addr;
769 	l_uint		limit;
770 	l_uint		seg_32bit:1;
771 	l_uint		contents:2;
772 	l_uint		read_exec_only:1;
773 	l_uint		limit_in_pages:1;
774 	l_uint		seg_not_present:1;
775 	l_uint		useable:1;
776 };
777 
778 struct l_desc_struct {
779 	unsigned long	a, b;
780 };
781 
782 
783 #define	LINUX_LOWERWORD	0x0000ffff
784 
785 /*
786  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
787  * These convert Linux user space descriptor to machine one.
788  */
789 #define	LINUX_LDT_entry_a(info)					\
790 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
791 	((info)->limit & LINUX_LOWERWORD))
792 
793 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
794 #define	LINUX_ENTRY_B_CONTENTS		10
795 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
796 #define	LINUX_ENTRY_B_BASE_ADDR		16
797 #define	LINUX_ENTRY_B_USEABLE		20
798 #define	LINUX_ENTRY_B_SEG32BIT		22
799 #define	LINUX_ENTRY_B_LIMIT		23
800 
801 #define	LINUX_LDT_entry_b(info)							\
802 	(((info)->base_addr & 0xff000000) |					\
803 	((info)->limit & 0xf0000) |						\
804 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
805 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
806 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
807 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
808 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
809 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
810 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
811 
812 #define	LINUX_LDT_empty(info)		\
813 	((info)->base_addr == 0 &&	\
814 	(info)->limit == 0 &&		\
815 	(info)->contents == 0 &&	\
816 	(info)->seg_not_present == 1 &&	\
817 	(info)->read_exec_only == 1 &&	\
818 	(info)->seg_32bit == 0 &&	\
819 	(info)->limit_in_pages == 0 &&	\
820 	(info)->useable == 0)
821 
822 /*
823  * Macros for converting segments.
824  * They do the same as those in arch/i386/kernel/process.c in Linux.
825  */
826 #define	LINUX_GET_BASE(desc)				\
827 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
828 	(((desc)->b << 16) & 0x00ff0000) |		\
829 	((desc)->b & 0xff000000))
830 
831 #define	LINUX_GET_LIMIT(desc)			\
832 	(((desc)->a & LINUX_LOWERWORD) |	\
833 	((desc)->b & 0xf0000))
834 
835 #define	LINUX_GET_32BIT(desc)		\
836 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
837 #define	LINUX_GET_CONTENTS(desc)	\
838 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
839 #define	LINUX_GET_WRITABLE(desc)	\
840 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
841 #define	LINUX_GET_LIMIT_PAGES(desc)	\
842 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
843 #define	LINUX_GET_PRESENT(desc)		\
844 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
845 #define	LINUX_GET_USEABLE(desc)		\
846 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
847 
848 #define	LINUX_CLOCK_REALTIME		0
849 #define	LINUX_CLOCK_MONOTONIC		1
850 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
851 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
852 #define	LINUX_CLOCK_REALTIME_HR		4
853 #define	LINUX_CLOCK_MONOTONIC_HR	5
854 
855 #define	LINUX_CLONE_VM			0x00000100
856 #define	LINUX_CLONE_FS			0x00000200
857 #define	LINUX_CLONE_FILES		0x00000400
858 #define	LINUX_CLONE_SIGHAND		0x00000800
859 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
860 #define	LINUX_CLONE_VFORK		0x00004000
861 #define	LINUX_CLONE_PARENT		0x00008000
862 #define	LINUX_CLONE_THREAD		0x00010000
863 #define	LINUX_CLONE_SETTLS		0x00080000
864 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
865 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
866 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
867 
868 #define	LINUX_THREADING_FLAGS					\
869 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
870 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
871 
872 /* robust futexes */
873 struct linux_robust_list {
874 	struct linux_robust_list	*next;
875 };
876 
877 struct linux_robust_list_head {
878 	struct linux_robust_list	list;
879 	l_long				futex_offset;
880 	struct linux_robust_list	*pending_list;
881 };
882 
883 #endif /* !_I386_LINUX_H_ */
884