xref: /freebsd/sys/amd64/linux32/linux.h (revision f856af0466c076beef4ea9b15d088e1119a945b8)
1 /*-
2  * Copyright (c) 2004 Tim J. Robbins
3  * Copyright (c) 2001 Doug Rabson
4  * Copyright (c) 1994-1996 S�ren Schmidt
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer
12  *    in this position and unchanged.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. The name of the author may not be used to endorse or promote products
17  *    derived from this software without specific prior written permission
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29  *
30  * $FreeBSD$
31  */
32 
33 #ifndef _AMD64_LINUX_LINUX_H_
34 #define	_AMD64_LINUX_LINUX_H_
35 
36 #include <amd64/linux32/linux32_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 LINUX32_USRSTACK	((1ul << 32) - PAGE_SIZE)
51 /* XXX 16 = sizeof(linux32_ps_strings) */
52 #define LINUX32_PS_STRINGS	(LINUX32_USRSTACK - 16)
53 #define LINUX32_MAXDSIZ		(512*1024*1024)	 	/* 512MB */
54 #define LINUX32_MAXSSIZ		(64*1024*1024)		/* 64MB */
55 #define LINUX32_MAXVMEM		0			/* Unlimited */
56 
57 #define	PTRIN(v)	(void *)(uintptr_t)(v)
58 #define	PTROUT(v)	(l_uintptr_t)(uintptr_t)(v)
59 
60 /*
61  * Provide a separate set of types for the Linux types.
62  */
63 typedef int		l_int;
64 typedef int32_t		l_long;
65 typedef int64_t		l_longlong;
66 typedef short		l_short;
67 typedef unsigned int	l_uint;
68 typedef uint32_t	l_ulong;
69 typedef uint64_t	l_ulonglong;
70 typedef unsigned short	l_ushort;
71 
72 typedef l_ulong		l_uintptr_t;
73 typedef l_long		l_clock_t;
74 typedef l_int		l_daddr_t;
75 typedef l_ushort	l_dev_t;
76 typedef l_uint		l_gid_t;
77 typedef l_ushort	l_gid16_t;
78 typedef l_ulong		l_ino_t;
79 typedef l_int		l_key_t;
80 typedef l_longlong	l_loff_t;
81 typedef l_ushort	l_mode_t;
82 typedef l_long		l_off_t;
83 typedef l_int		l_pid_t;
84 typedef l_uint		l_size_t;
85 typedef l_long		l_suseconds_t;
86 typedef l_long		l_time_t;
87 typedef l_uint		l_uid_t;
88 typedef l_ushort	l_uid16_t;
89 
90 typedef struct {
91 	l_int		val[2];
92 } __packed l_fsid_t;
93 
94 typedef struct {
95 	l_time_t	tv_sec;
96 	l_suseconds_t	tv_usec;
97 } __packed l_timeval;
98 
99 #define	l_fd_set	fd_set
100 
101 /*
102  * Miscellaneous
103  */
104 #define	LINUX_NAME_MAX		255
105 #define	LINUX_MAX_UTSNAME	65
106 
107 #define	LINUX_CTL_MAXNAME	10
108 
109 struct l___sysctl_args
110 {
111 	l_uintptr_t	name;
112 	l_int		nlen;
113 	l_uintptr_t	oldval;
114 	l_uintptr_t	oldlenp;
115 	l_uintptr_t	newval;
116 	l_size_t	newlen;
117 	l_ulong		__spare[4];
118 } __packed;
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 } __packed;
143 
144 struct l_rusage {
145 	l_timeval ru_utime;
146 	l_timeval ru_stime;
147 	l_long	ru_maxrss;
148 	l_long	ru_ixrss;
149 	l_long	ru_idrss;
150 	l_long	ru_isrss;
151 	l_long	ru_minflt;
152 	l_long	ru_majflt;
153 	l_long	ru_nswap;
154 	l_long	ru_inblock;
155 	l_long	ru_oublock;
156 	l_long	ru_msgsnd;
157 	l_long	ru_msgrcv;
158 	l_long	ru_nsignals;
159 	l_long	ru_nvcsw;
160 	l_long	ru_nivcsw;
161 } __packed;
162 
163 /* mmap options */
164 #define	LINUX_MAP_SHARED	0x0001
165 #define	LINUX_MAP_PRIVATE	0x0002
166 #define	LINUX_MAP_FIXED		0x0010
167 #define	LINUX_MAP_ANON		0x0020
168 #define	LINUX_MAP_GROWSDOWN	0x0100
169 
170 /*
171  * stat family of syscalls
172  */
173 struct l_timespec {
174 	l_time_t	tv_sec;
175 	l_long		tv_nsec;
176 } __packed;
177 
178 struct l_newstat {
179 	l_ushort	st_dev;
180 	l_ushort	__pad1;
181 	l_ulong		st_ino;
182 	l_ushort	st_mode;
183 	l_ushort	st_nlink;
184 	l_ushort	st_uid;
185 	l_ushort	st_gid;
186 	l_ushort	st_rdev;
187 	l_ushort	__pad2;
188 	l_ulong		st_size;
189 	l_ulong		st_blksize;
190 	l_ulong		st_blocks;
191 	struct l_timespec	st_atimespec;
192 	struct l_timespec	st_mtimespec;
193 	struct l_timespec	st_ctimespec;
194 	l_ulong		__unused4;
195 	l_ulong		__unused5;
196 } __packed;
197 
198 struct l_stat {
199        l_ushort        st_dev;
200        l_ulong         st_ino;
201        l_ushort        st_mode;
202        l_ushort        st_nlink;
203        l_ushort        st_uid;
204        l_ushort        st_gid;
205        l_ushort        st_rdev;
206        l_long          st_size;
207        struct l_timespec       st_atimespec;
208        struct l_timespec       st_mtimespec;
209        struct l_timespec       st_ctimespec;
210        l_long          st_blksize;
211        l_long          st_blocks;
212        l_ulong         st_flags;
213        l_ulong         st_gen;
214 };
215 
216 struct l_stat64 {
217 	l_ushort	st_dev;
218 	u_char		__pad0[10];
219 	l_ulong		__st_ino;
220 	l_uint		st_mode;
221 	l_uint		st_nlink;
222 	l_ulong		st_uid;
223 	l_ulong		st_gid;
224 	l_ushort	st_rdev;
225 	u_char		__pad3[10];
226 	l_longlong	st_size;
227 	l_ulong		st_blksize;
228 	l_ulong		st_blocks;
229 	l_ulong		__pad4;
230 	struct l_timespec	st_atimespec;
231 	struct l_timespec	st_mtimespec;
232 	struct l_timespec	st_ctimespec;
233 	l_ulonglong	st_ino;
234 } __packed;
235 
236 struct l_new_utsname {
237 	char	sysname[LINUX_MAX_UTSNAME];
238 	char	nodename[LINUX_MAX_UTSNAME];
239 	char	release[LINUX_MAX_UTSNAME];
240 	char	version[LINUX_MAX_UTSNAME];
241 	char	machine[LINUX_MAX_UTSNAME];
242 	char	domainname[LINUX_MAX_UTSNAME];
243 } __packed;
244 
245 /*
246  * Signalling
247  */
248 #define	LINUX_SIGHUP		1
249 #define	LINUX_SIGINT		2
250 #define	LINUX_SIGQUIT		3
251 #define	LINUX_SIGILL		4
252 #define	LINUX_SIGTRAP		5
253 #define	LINUX_SIGABRT		6
254 #define	LINUX_SIGIOT		LINUX_SIGABRT
255 #define	LINUX_SIGBUS		7
256 #define	LINUX_SIGFPE		8
257 #define	LINUX_SIGKILL		9
258 #define	LINUX_SIGUSR1		10
259 #define	LINUX_SIGSEGV		11
260 #define	LINUX_SIGUSR2		12
261 #define	LINUX_SIGPIPE		13
262 #define	LINUX_SIGALRM		14
263 #define	LINUX_SIGTERM		15
264 #define	LINUX_SIGSTKFLT		16
265 #define	LINUX_SIGCHLD		17
266 #define	LINUX_SIGCONT		18
267 #define	LINUX_SIGSTOP		19
268 #define	LINUX_SIGTSTP		20
269 #define	LINUX_SIGTTIN		21
270 #define	LINUX_SIGTTOU		22
271 #define	LINUX_SIGURG		23
272 #define	LINUX_SIGXCPU		24
273 #define	LINUX_SIGXFSZ		25
274 #define	LINUX_SIGVTALRM		26
275 #define	LINUX_SIGPROF		27
276 #define	LINUX_SIGWINCH		28
277 #define	LINUX_SIGIO		29
278 #define	LINUX_SIGPOLL		LINUX_SIGIO
279 #define	LINUX_SIGPWR		30
280 #define	LINUX_SIGSYS		31
281 
282 #define	LINUX_SIGTBLSZ		31
283 #define	LINUX_NSIG_WORDS	2
284 #define	LINUX_NBPW		32
285 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
286 
287 /* sigaction flags */
288 #define	LINUX_SA_NOCLDSTOP	0x00000001
289 #define	LINUX_SA_NOCLDWAIT	0x00000002
290 #define	LINUX_SA_SIGINFO	0x00000004
291 #define	LINUX_SA_RESTORER	0x04000000
292 #define	LINUX_SA_ONSTACK	0x08000000
293 #define	LINUX_SA_RESTART	0x10000000
294 #define	LINUX_SA_INTERRUPT	0x20000000
295 #define	LINUX_SA_NOMASK		0x40000000
296 #define	LINUX_SA_ONESHOT	0x80000000
297 
298 /* sigprocmask actions */
299 #define	LINUX_SIG_BLOCK		0
300 #define	LINUX_SIG_UNBLOCK	1
301 #define	LINUX_SIG_SETMASK	2
302 
303 /* sigset_t macros */
304 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
305 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
306 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
307 
308 /* sigaltstack */
309 #define LINUX_MINSIGSTKSZ	2048
310 #define LINUX_SS_ONSTACK	1
311 #define LINUX_SS_DISABLE	2
312 
313 int linux_to_bsd_sigaltstack(int lsa);
314 int bsd_to_linux_sigaltstack(int bsa);
315 
316 typedef l_uintptr_t l_handler_t;
317 typedef l_ulong	l_osigset_t;
318 
319 typedef struct {
320 	l_uint	__bits[LINUX_NSIG_WORDS];
321 } __packed l_sigset_t;
322 
323 typedef struct {
324 	l_handler_t	lsa_handler;
325 	l_osigset_t	lsa_mask;
326 	l_ulong		lsa_flags;
327 	l_uintptr_t	lsa_restorer;
328 } __packed l_osigaction_t;
329 
330 typedef struct {
331 	l_handler_t	lsa_handler;
332 	l_ulong		lsa_flags;
333 	l_uintptr_t	lsa_restorer;
334 	l_sigset_t	lsa_mask;
335 } __packed l_sigaction_t;
336 
337 typedef struct {
338 	l_uintptr_t	ss_sp;
339 	l_int		ss_flags;
340 	l_size_t	ss_size;
341 } __packed l_stack_t;
342 
343 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
344 struct l_sigcontext {
345 	l_int		sc_gs;
346 	l_int		sc_fs;
347 	l_int		sc_es;
348 	l_int		sc_ds;
349 	l_int		sc_edi;
350 	l_int		sc_esi;
351 	l_int		sc_ebp;
352 	l_int		sc_esp;
353 	l_int		sc_ebx;
354 	l_int		sc_edx;
355 	l_int		sc_ecx;
356 	l_int		sc_eax;
357 	l_int		sc_trapno;
358 	l_int		sc_err;
359 	l_int		sc_eip;
360 	l_int		sc_cs;
361 	l_int		sc_eflags;
362 	l_int		sc_esp_at_signal;
363 	l_int		sc_ss;
364 	l_int		sc_387;
365 	l_int		sc_mask;
366 	l_int		sc_cr2;
367 } __packed;
368 
369 struct l_ucontext {
370 	l_ulong		uc_flags;
371 	l_uintptr_t	uc_link;
372 	l_stack_t	uc_stack;
373 	struct l_sigcontext	uc_mcontext;
374         l_sigset_t	uc_sigmask;
375 } __packed;
376 
377 #define LINUX_SI_MAX_SIZE     128
378 #define LINUX_SI_PAD_SIZE     ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
379 
380 union l_sigval {
381 	l_int		sival_int;
382 	l_uintptr_t	sival_ptr;
383 };
384 
385 typedef struct l_siginfo {
386 	l_int		lsi_signo;
387 	l_int		lsi_errno;
388 	l_int		lsi_code;
389 	union {
390 		l_int	_pad[LINUX_SI_PAD_SIZE];
391 
392 		struct {
393 			l_pid_t		_pid;
394 			l_uid16_t	_uid;
395 		} __packed _kill;
396 
397 		struct {
398 			l_uint		_timer1;
399 			l_uint		_timer2;
400 		} __packed _timer;
401 
402 		struct {
403 			l_pid_t		_pid;		/* sender's pid */
404 			l_uid16_t	_uid;		/* sender's uid */
405 			union l_sigval _sigval;
406 		} __packed _rt;
407 
408 		struct {
409 			l_pid_t		_pid;		/* which child */
410 			l_uid16_t	_uid;		/* sender's uid */
411 			l_int		_status;	/* exit code */
412 			l_clock_t	_utime;
413 			l_clock_t	_stime;
414 		} __packed _sigchld;
415 
416 		struct {
417 			l_uintptr_t	_addr; /* faulting insn/memory ref. */
418 		} __packed _sigfault;
419 
420 		struct {
421 			l_int		_band;  /* POLL_IN,POLL_OUT,POLL_MSG */
422 			l_int		_fd;
423 		} __packed _sigpoll;
424 	} _sifields;
425 } __packed l_siginfo_t;
426 
427 #define lsi_pid          _sifields._kill._pid
428 #define lsi_uid          _sifields._kill._uid
429 #define lsi_status       _sifields._sigchld._status
430 #define lsi_utime        _sifields._sigchld._utime
431 #define lsi_stime        _sifields._sigchld._stime
432 #define lsi_value        _sifields._rt._sigval
433 #define lsi_int          _sifields._rt._sigval.sival_int
434 #define lsi_ptr          _sifields._rt._sigval.sival_ptr
435 #define lsi_addr         _sifields._sigfault._addr
436 #define lsi_band         _sifields._sigpoll._band
437 #define lsi_fd           _sifields._sigpoll._fd
438 
439 struct l_fpreg {
440 	u_int16_t significand[4];
441 	u_int16_t exponent;
442 } __packed;
443 
444 struct l_fpxreg {
445 	u_int16_t significand[4];
446 	u_int16_t exponent;
447 	u_int16_t padding[3];
448 } __packed;
449 
450 struct l_xmmreg {
451 	u_int32_t element[4];
452 } __packed;
453 
454 struct l_fpstate {
455 	/* Regular FPU environment */
456 	u_int32_t		cw;
457 	u_int32_t		sw;
458 	u_int32_t		tag;
459 	u_int32_t		ipoff;
460 	u_int32_t		cssel;
461 	u_int32_t		dataoff;
462 	u_int32_t		datasel;
463 	struct l_fpreg		_st[8];
464 	u_int16_t		status;
465 	u_int16_t		magic;  /* 0xffff = regular FPU data */
466 
467 	/* FXSR FPU environment */
468 	u_int32_t		_fxsr_env[6]; /* env is ignored */
469 	u_int32_t		mxcsr;
470 	u_int32_t		reserved;
471 	struct l_fpxreg		_fxsr_st[8];  /* reg data is ignored */
472 	struct l_xmmreg		_xmm[8];
473 	u_int32_t		padding[56];
474 } __packed;
475 
476 /*
477  * We make the stack look like Linux expects it when calling a signal
478  * handler, but use the BSD way of calling the handler and sigreturn().
479  * This means that we need to pass the pointer to the handler too.
480  * It is appended to the frame to not interfere with the rest of it.
481  */
482 struct l_sigframe {
483 	l_int			sf_sig;
484 	struct l_sigcontext	sf_sc;
485 	struct l_fpstate	sf_fpstate;
486 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
487 	l_handler_t		sf_handler;
488 } __packed;
489 
490 struct l_rt_sigframe {
491 	l_int			sf_sig;
492 	l_uintptr_t 		sf_siginfo;
493 	l_uintptr_t		sf_ucontext;
494 	l_siginfo_t		sf_si;
495 	struct l_ucontext 	sf_sc;
496 	l_handler_t 		sf_handler;
497 } __packed;
498 
499 extern int bsd_to_linux_signal[];
500 extern int linux_to_bsd_signal[];
501 extern struct sysentvec elf_linux_sysvec;
502 
503 /*
504  * Pluggable ioctl handlers
505  */
506 struct linux_ioctl_args;
507 struct thread;
508 
509 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
510 
511 struct linux_ioctl_handler {
512 	linux_ioctl_function_t *func;
513 	int	low, high;
514 };
515 
516 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
517 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
518 
519 /*
520  * open/fcntl flags
521  */
522 #define	LINUX_O_RDONLY		00
523 #define	LINUX_O_WRONLY		01
524 #define	LINUX_O_RDWR		02
525 #define	LINUX_O_CREAT		0100
526 #define	LINUX_O_EXCL		0200
527 #define	LINUX_O_NOCTTY		0400
528 #define	LINUX_O_TRUNC		01000
529 #define	LINUX_O_APPEND		02000
530 #define	LINUX_O_NONBLOCK	04000
531 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
532 #define	LINUX_O_SYNC		010000
533 #define	LINUX_FASYNC		020000
534 #define	LINUX_O_DIRECT		040000	/* direct disk access hint */
535 #define	LINUX_O_LARGEFILE	0100000
536 #define	LINUX_O_DIRECTORY	0200000	/* must be a directory */
537 #define	LINUX_O_NOFOLLOW	0400000	/* don't follow links */
538 #define	LINUX_O_NOATIME		01000000
539 
540 #define	LINUX_F_DUPFD		0
541 #define	LINUX_F_GETFD		1
542 #define	LINUX_F_SETFD		2
543 #define	LINUX_F_GETFL		3
544 #define	LINUX_F_SETFL		4
545 #define	LINUX_F_GETLK		5
546 #define	LINUX_F_SETLK		6
547 #define	LINUX_F_SETLKW		7
548 #define	LINUX_F_SETOWN		8
549 #define	LINUX_F_GETOWN		9
550 
551 #define	LINUX_F_GETLK64		12
552 #define	LINUX_F_SETLK64		13
553 #define	LINUX_F_SETLKW64	14
554 
555 #define	LINUX_F_RDLCK		0
556 #define	LINUX_F_WRLCK		1
557 #define	LINUX_F_UNLCK		2
558 
559 /*
560  * mount flags
561  */
562 #define LINUX_MS_RDONLY         0x0001
563 #define LINUX_MS_NOSUID         0x0002
564 #define LINUX_MS_NODEV          0x0004
565 #define LINUX_MS_NOEXEC         0x0008
566 #define LINUX_MS_REMOUNT        0x0020
567 
568 /*
569  * SystemV IPC defines
570  */
571 #define	LINUX_SEMOP		1
572 #define	LINUX_SEMGET		2
573 #define	LINUX_SEMCTL		3
574 #define	LINUX_MSGSND		11
575 #define	LINUX_MSGRCV		12
576 #define	LINUX_MSGGET		13
577 #define	LINUX_MSGCTL		14
578 #define	LINUX_SHMAT		21
579 #define	LINUX_SHMDT		22
580 #define	LINUX_SHMGET		23
581 #define	LINUX_SHMCTL		24
582 
583 #define	LINUX_IPC_RMID		0
584 #define	LINUX_IPC_SET		1
585 #define	LINUX_IPC_STAT		2
586 #define	LINUX_IPC_INFO		3
587 
588 #define	LINUX_SHM_LOCK		11
589 #define	LINUX_SHM_UNLOCK	12
590 #define	LINUX_SHM_STAT		13
591 #define	LINUX_SHM_INFO		14
592 
593 #define	LINUX_SHM_RDONLY	0x1000
594 #define	LINUX_SHM_RND		0x2000
595 #define	LINUX_SHM_REMAP		0x4000
596 
597 /* semctl commands */
598 #define	LINUX_GETPID		11
599 #define	LINUX_GETVAL		12
600 #define	LINUX_GETALL		13
601 #define	LINUX_GETNCNT		14
602 #define	LINUX_GETZCNT		15
603 #define	LINUX_SETVAL		16
604 #define	LINUX_SETALL		17
605 #define	LINUX_SEM_STAT		18
606 #define	LINUX_SEM_INFO		19
607 
608 union l_semun {
609 	l_int		val;
610 	l_uintptr_t	buf;
611 	l_uintptr_t	array;
612 	l_uintptr_t	__buf;
613 	l_uintptr_t	__pad;
614 } __packed;
615 
616 /*
617  * Socket defines
618  */
619 #define	LINUX_SOCKET 		1
620 #define	LINUX_BIND		2
621 #define	LINUX_CONNECT 		3
622 #define	LINUX_LISTEN 		4
623 #define	LINUX_ACCEPT 		5
624 #define	LINUX_GETSOCKNAME	6
625 #define	LINUX_GETPEERNAME	7
626 #define	LINUX_SOCKETPAIR	8
627 #define	LINUX_SEND		9
628 #define	LINUX_RECV		10
629 #define	LINUX_SENDTO 		11
630 #define	LINUX_RECVFROM 		12
631 #define	LINUX_SHUTDOWN 		13
632 #define	LINUX_SETSOCKOPT	14
633 #define	LINUX_GETSOCKOPT	15
634 #define	LINUX_SENDMSG		16
635 #define	LINUX_RECVMSG		17
636 
637 #define	LINUX_AF_UNSPEC		0
638 #define	LINUX_AF_UNIX		1
639 #define	LINUX_AF_INET		2
640 #define	LINUX_AF_AX25		3
641 #define	LINUX_AF_IPX		4
642 #define	LINUX_AF_APPLETALK	5
643 #define	LINUX_AF_INET6		10
644 
645 #define	LINUX_SOL_SOCKET	1
646 #define	LINUX_SOL_IP		0
647 #define	LINUX_SOL_IPX		256
648 #define	LINUX_SOL_AX25		257
649 #define	LINUX_SOL_TCP		6
650 #define	LINUX_SOL_UDP		17
651 
652 #define	LINUX_SO_DEBUG		1
653 #define	LINUX_SO_REUSEADDR	2
654 #define	LINUX_SO_TYPE		3
655 #define	LINUX_SO_ERROR		4
656 #define	LINUX_SO_DONTROUTE	5
657 #define	LINUX_SO_BROADCAST	6
658 #define	LINUX_SO_SNDBUF		7
659 #define	LINUX_SO_RCVBUF		8
660 #define	LINUX_SO_KEEPALIVE	9
661 #define	LINUX_SO_OOBINLINE	10
662 #define	LINUX_SO_NO_CHECK	11
663 #define	LINUX_SO_PRIORITY	12
664 #define	LINUX_SO_LINGER		13
665 
666 #define	LINUX_IP_TOS		1
667 #define	LINUX_IP_TTL		2
668 #define	LINUX_IP_HDRINCL	3
669 #define	LINUX_IP_OPTIONS	4
670 
671 #define	LINUX_IP_MULTICAST_IF		32
672 #define	LINUX_IP_MULTICAST_TTL		33
673 #define	LINUX_IP_MULTICAST_LOOP		34
674 #define	LINUX_IP_ADD_MEMBERSHIP		35
675 #define	LINUX_IP_DROP_MEMBERSHIP	36
676 
677 struct l_sockaddr {
678 	l_ushort	sa_family;
679 	char		sa_data[14];
680 } __packed;
681 
682 struct l_ifmap {
683 	l_ulong		mem_start;
684 	l_ulong		mem_end;
685 	l_ushort	base_addr;
686 	u_char		irq;
687 	u_char		dma;
688 	u_char		port;
689 } __packed;
690 
691 #define	LINUX_IFHWADDRLEN	6
692 #define	LINUX_IFNAMSIZ		16
693 
694 struct l_ifreq {
695 	union {
696 		char	ifrn_name[LINUX_IFNAMSIZ];
697 	} ifr_ifrn;
698 
699 	union {
700 		struct l_sockaddr	ifru_addr;
701 		struct l_sockaddr	ifru_dstaddr;
702 		struct l_sockaddr	ifru_broadaddr;
703 		struct l_sockaddr	ifru_netmask;
704 		struct l_sockaddr	ifru_hwaddr;
705 		l_short		ifru_flags[1];
706 		l_int		ifru_metric;
707 		l_int		ifru_mtu;
708 		struct l_ifmap	ifru_map;
709 		char		ifru_slave[LINUX_IFNAMSIZ];
710 		l_uintptr_t	ifru_data;
711 	} ifr_ifru;
712 } __packed;
713 
714 #define	ifr_name	ifr_ifrn.ifrn_name	/* interface name */
715 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
716 
717 struct l_ifconf {
718 	int	ifc_len;
719 	union {
720 		l_uintptr_t	ifcu_buf;
721 		l_uintptr_t	ifcu_req;
722 	} ifc_ifcu;
723 } __packed;
724 
725 #define	ifc_buf		ifc_ifcu.ifcu_buf
726 #define	ifc_req		ifc_ifcu.ifcu_req
727 
728 /*
729  * poll()
730  */
731 #define	LINUX_POLLIN		0x0001
732 #define	LINUX_POLLPRI		0x0002
733 #define	LINUX_POLLOUT		0x0004
734 #define	LINUX_POLLERR		0x0008
735 #define	LINUX_POLLHUP		0x0010
736 #define	LINUX_POLLNVAL		0x0020
737 #define	LINUX_POLLRDNORM	0x0040
738 #define	LINUX_POLLRDBAND	0x0080
739 #define	LINUX_POLLWRNORM	0x0100
740 #define	LINUX_POLLWRBAND	0x0200
741 #define	LINUX_POLLMSG		0x0400
742 
743 struct l_pollfd {
744 	l_int		fd;
745 	l_short		events;
746 	l_short		revents;
747 } __packed;
748 
749 struct l_user_desc {
750 	l_uint		entry_number;
751 	l_uint		base_addr;
752 	l_uint		limit;
753 	l_uint		seg_32bit:1;
754 	l_uint		contents:2;
755 	l_uint		read_exec_only:1;
756 	l_uint		limit_in_pages:1;
757 	l_uint		seg_not_present:1;
758 	l_uint		useable:1;
759 };
760 
761 struct l_desc_struct {
762            unsigned long a,b;
763 };
764 
765 
766 #define LINUX_LOWERWORD	0x0000ffff
767 
768 /*
769  * macros which does the same thing as those in linux include/asm-um/ldt-i386.h
770  * these convert linux user-space descriptor to machine one
771  */
772 #define LDT_entry_a(info) \
773         ((((info)->base_addr & LINUX_LOWERWORD) << 16) | ((info)->limit & LINUX_LOWERWORD))
774 
775 #define ENTRY_B_READ_EXEC_ONLY	9
776 #define ENTRY_B_CONTENTS	10
777 #define ENTRY_B_SEG_NOT_PRESENT	15
778 #define ENTRY_B_BASE_ADDR	16
779 #define ENTRY_B_USEABLE		20
780 #define ENTRY_B_SEG32BIT	22
781 #define ENTRY_B_LIMIT		23
782 
783 #define LDT_entry_b(info) \
784         (((info)->base_addr & 0xff000000) | \
785         ((info)->limit & 0xf0000) | \
786         ((info)->contents << ENTRY_B_CONTENTS) | \
787         (((info)->seg_not_present == 0) << ENTRY_B_SEG_NOT_PRESENT) | \
788         (((info)->base_addr & 0x00ff0000) >> ENTRY_B_BASE_ADDR) | \
789         (((info)->read_exec_only == 0) << ENTRY_B_READ_EXEC_ONLY) | \
790         ((info)->seg_32bit << ENTRY_B_SEG32BIT) | \
791         ((info)->useable << ENTRY_B_USEABLE) | \
792         ((info)->limit_in_pages << ENTRY_B_LIMIT) | 0x7000)
793 
794 #define LDT_empty(info) (\
795         (info)->base_addr       == 0    && \
796         (info)->limit           == 0    && \
797         (info)->contents        == 0    && \
798         (info)->seg_not_present == 1    && \
799         (info)->read_exec_only  == 1    && \
800         (info)->seg_32bit       == 0    && \
801         (info)->limit_in_pages  == 0    && \
802         (info)->useable         == 0    )
803 
804 /* macros for converting segments, they do the same as those in arch/i386/kernel/process.c */
805 #define GET_BASE(desc) ( \
806         (((desc)->a >> 16) & LINUX_LOWERWORD) | \
807         (((desc)->b << 16) & 0x00ff0000) | \
808         ( (desc)->b        & 0xff000000)   )
809 
810 #define GET_LIMIT(desc) ( \
811         ((desc)->a & LINUX_LOWERWORD) | \
812          ((desc)->b & 0xf0000) )
813 
814 #define GET_32BIT(desc)         (((desc)->b >> ENTRY_B_SEG32BIT) & 1)
815 #define GET_CONTENTS(desc)      (((desc)->b >> ENTRY_B_CONTENTS) & 3)
816 #define GET_WRITABLE(desc)      (((desc)->b >> ENTRY_B_READ_EXEC_ONLY) & 1)
817 #define GET_LIMIT_PAGES(desc)   (((desc)->b >> ENTRY_B_LIMIT) & 1)
818 #define GET_PRESENT(desc)       (((desc)->b >> ENTRY_B_SEG_NOT_PRESENT) & 1)
819 #define GET_USEABLE(desc)       (((desc)->b >> ENTRY_B_USEABLE) & 1)
820 
821 #define LINUX_CLOCK_REALTIME            0
822 #define LINUX_CLOCK_MONOTONIC           1
823 #define LINUX_CLOCK_PROCESS_CPUTIME_ID  2
824 #define LINUX_CLOCK_THREAD_CPUTIME_ID   3
825 #define LINUX_CLOCK_REALTIME_HR         4
826 #define LINUX_CLOCK_MONOTONIC_HR        5
827 
828 typedef int l_timer_t;
829 typedef int l_mqd_t;
830 
831 #define CLONE_VM        0x100
832 #define CLONE_FS        0x200
833 #define CLONE_FILES     0x400
834 #define CLONE_SIGHAND   0x800
835 #define CLONE_PID       0x1000          /* this flag does not exist in linux anymore */
836 #define CLONE_VFORK     0x4000
837 #define CLONE_PARENT    0x00008000
838 #define CLONE_THREAD    0x10000
839 #define CLONE_SETTLS    0x80000
840 #define CLONE_CHILD_CLEARTID    0x00200000
841 #define CLONE_CHILD_SETTID      0x01000000
842 #define CLONE_PARENT_SETTID     0x00100000
843 
844 #define THREADING_FLAGS (CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND)
845 
846 #endif /* !_AMD64_LINUX_LINUX_H_ */
847