xref: /freebsd/sys/amd64/linux32/linux.h (revision b3aaa0cc21c63d388230c7ef2a80abd631ff20d5)
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_H_
34 #define	_AMD64_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 typedef l_int		l_timer_t;
90 typedef l_int		l_mqd_t;
91 
92 typedef struct {
93 	l_int		val[2];
94 } __packed l_fsid_t;
95 
96 typedef struct {
97 	l_time_t	tv_sec;
98 	l_suseconds_t	tv_usec;
99 } __packed l_timeval;
100 
101 #define	l_fd_set	fd_set
102 
103 /*
104  * Miscellaneous
105  */
106 #define	LINUX_NAME_MAX		255
107 #define	LINUX_MAX_UTSNAME	65
108 
109 #define	LINUX_CTL_MAXNAME	10
110 
111 struct l___sysctl_args
112 {
113 	l_uintptr_t	name;
114 	l_int		nlen;
115 	l_uintptr_t	oldval;
116 	l_uintptr_t	oldlenp;
117 	l_uintptr_t	newval;
118 	l_size_t	newlen;
119 	l_ulong		__spare[4];
120 } __packed;
121 
122 /* Scheduling policies */
123 #define	LINUX_SCHED_OTHER	0
124 #define	LINUX_SCHED_FIFO	1
125 #define	LINUX_SCHED_RR		2
126 
127 /* Resource limits */
128 #define	LINUX_RLIMIT_CPU	0
129 #define	LINUX_RLIMIT_FSIZE	1
130 #define	LINUX_RLIMIT_DATA	2
131 #define	LINUX_RLIMIT_STACK	3
132 #define	LINUX_RLIMIT_CORE	4
133 #define	LINUX_RLIMIT_RSS	5
134 #define	LINUX_RLIMIT_NPROC	6
135 #define	LINUX_RLIMIT_NOFILE	7
136 #define	LINUX_RLIMIT_MEMLOCK	8
137 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
138 
139 #define	LINUX_RLIM_NLIMITS	10
140 
141 struct l_rlimit {
142 	l_ulong rlim_cur;
143 	l_ulong rlim_max;
144 } __packed;
145 
146 struct l_rusage {
147 	l_timeval ru_utime;
148 	l_timeval ru_stime;
149 	l_long	ru_maxrss;
150 	l_long	ru_ixrss;
151 	l_long	ru_idrss;
152 	l_long	ru_isrss;
153 	l_long	ru_minflt;
154 	l_long	ru_majflt;
155 	l_long	ru_nswap;
156 	l_long	ru_inblock;
157 	l_long	ru_oublock;
158 	l_long	ru_msgsnd;
159 	l_long	ru_msgrcv;
160 	l_long	ru_nsignals;
161 	l_long	ru_nvcsw;
162 	l_long	ru_nivcsw;
163 } __packed;
164 
165 /* mmap options */
166 #define	LINUX_MAP_SHARED	0x0001
167 #define	LINUX_MAP_PRIVATE	0x0002
168 #define	LINUX_MAP_FIXED		0x0010
169 #define	LINUX_MAP_ANON		0x0020
170 #define	LINUX_MAP_GROWSDOWN	0x0100
171 
172 struct l_mmap_argv {
173 	l_uintptr_t	addr;
174 	l_size_t	len;
175 	l_int		prot;
176 	l_int		flags;
177 	l_int		fd;
178 	l_off_t		pgoff;
179 } __packed;
180 
181 /*
182  * stat family of syscalls
183  */
184 struct l_timespec {
185 	l_time_t	tv_sec;
186 	l_long		tv_nsec;
187 } __packed;
188 
189 struct l_newstat {
190 	l_ushort	st_dev;
191 	l_ushort	__pad1;
192 	l_ulong		st_ino;
193 	l_ushort	st_mode;
194 	l_ushort	st_nlink;
195 	l_ushort	st_uid;
196 	l_ushort	st_gid;
197 	l_ushort	st_rdev;
198 	l_ushort	__pad2;
199 	l_ulong		st_size;
200 	l_ulong		st_blksize;
201 	l_ulong		st_blocks;
202 	struct l_timespec	st_atimespec;
203 	struct l_timespec	st_mtimespec;
204 	struct l_timespec	st_ctimespec;
205 	l_ulong		__unused4;
206 	l_ulong		__unused5;
207 } __packed;
208 
209 struct l_stat {
210 	l_ushort	st_dev;
211 	l_ulong		st_ino;
212 	l_ushort	st_mode;
213 	l_ushort	st_nlink;
214 	l_ushort	st_uid;
215 	l_ushort	st_gid;
216 	l_ushort	st_rdev;
217 	l_long		st_size;
218 	struct l_timespec	st_atimespec;
219 	struct l_timespec	st_mtimespec;
220 	struct l_timespec	st_ctimespec;
221 	l_long		st_blksize;
222 	l_long		st_blocks;
223 	l_ulong		st_flags;
224 	l_ulong		st_gen;
225 };
226 
227 struct l_stat64 {
228 	l_ushort	st_dev;
229 	u_char		__pad0[10];
230 	l_ulong		__st_ino;
231 	l_uint		st_mode;
232 	l_uint		st_nlink;
233 	l_ulong		st_uid;
234 	l_ulong		st_gid;
235 	l_ushort	st_rdev;
236 	u_char		__pad3[10];
237 	l_longlong	st_size;
238 	l_ulong		st_blksize;
239 	l_ulong		st_blocks;
240 	l_ulong		__pad4;
241 	struct l_timespec	st_atimespec;
242 	struct l_timespec	st_mtimespec;
243 	struct l_timespec	st_ctimespec;
244 	l_ulonglong	st_ino;
245 } __packed;
246 
247 struct l_statfs64 {
248         l_int           f_type;
249         l_int           f_bsize;
250         uint64_t        f_blocks;
251         uint64_t        f_bfree;
252         uint64_t        f_bavail;
253         uint64_t        f_files;
254         uint64_t        f_ffree;
255         l_fsid_t        f_fsid;
256         l_int           f_namelen;
257         l_int           f_spare[6];
258 } __packed;
259 
260 struct l_new_utsname {
261 	char	sysname[LINUX_MAX_UTSNAME];
262 	char	nodename[LINUX_MAX_UTSNAME];
263 	char	release[LINUX_MAX_UTSNAME];
264 	char	version[LINUX_MAX_UTSNAME];
265 	char	machine[LINUX_MAX_UTSNAME];
266 	char	domainname[LINUX_MAX_UTSNAME];
267 } __packed;
268 
269 /*
270  * Signalling
271  */
272 #define	LINUX_SIGHUP		1
273 #define	LINUX_SIGINT		2
274 #define	LINUX_SIGQUIT		3
275 #define	LINUX_SIGILL		4
276 #define	LINUX_SIGTRAP		5
277 #define	LINUX_SIGABRT		6
278 #define	LINUX_SIGIOT		LINUX_SIGABRT
279 #define	LINUX_SIGBUS		7
280 #define	LINUX_SIGFPE		8
281 #define	LINUX_SIGKILL		9
282 #define	LINUX_SIGUSR1		10
283 #define	LINUX_SIGSEGV		11
284 #define	LINUX_SIGUSR2		12
285 #define	LINUX_SIGPIPE		13
286 #define	LINUX_SIGALRM		14
287 #define	LINUX_SIGTERM		15
288 #define	LINUX_SIGSTKFLT		16
289 #define	LINUX_SIGCHLD		17
290 #define	LINUX_SIGCONT		18
291 #define	LINUX_SIGSTOP		19
292 #define	LINUX_SIGTSTP		20
293 #define	LINUX_SIGTTIN		21
294 #define	LINUX_SIGTTOU		22
295 #define	LINUX_SIGURG		23
296 #define	LINUX_SIGXCPU		24
297 #define	LINUX_SIGXFSZ		25
298 #define	LINUX_SIGVTALRM		26
299 #define	LINUX_SIGPROF		27
300 #define	LINUX_SIGWINCH		28
301 #define	LINUX_SIGIO		29
302 #define	LINUX_SIGPOLL		LINUX_SIGIO
303 #define	LINUX_SIGPWR		30
304 #define	LINUX_SIGSYS		31
305 
306 #define	LINUX_SIGTBLSZ		31
307 #define	LINUX_NSIG_WORDS	2
308 #define	LINUX_NBPW		32
309 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
310 
311 /* sigaction flags */
312 #define	LINUX_SA_NOCLDSTOP	0x00000001
313 #define	LINUX_SA_NOCLDWAIT	0x00000002
314 #define	LINUX_SA_SIGINFO	0x00000004
315 #define	LINUX_SA_RESTORER	0x04000000
316 #define	LINUX_SA_ONSTACK	0x08000000
317 #define	LINUX_SA_RESTART	0x10000000
318 #define	LINUX_SA_INTERRUPT	0x20000000
319 #define	LINUX_SA_NOMASK		0x40000000
320 #define	LINUX_SA_ONESHOT	0x80000000
321 
322 /* sigprocmask actions */
323 #define	LINUX_SIG_BLOCK		0
324 #define	LINUX_SIG_UNBLOCK	1
325 #define	LINUX_SIG_SETMASK	2
326 
327 /* sigset_t macros */
328 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
329 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
330 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
331 
332 /* sigaltstack */
333 #define	LINUX_MINSIGSTKSZ	2048
334 #define	LINUX_SS_ONSTACK	1
335 #define	LINUX_SS_DISABLE	2
336 
337 int linux_to_bsd_sigaltstack(int lsa);
338 int bsd_to_linux_sigaltstack(int bsa);
339 
340 typedef l_uintptr_t l_handler_t;
341 typedef l_ulong	l_osigset_t;
342 
343 typedef struct {
344 	l_uint	__bits[LINUX_NSIG_WORDS];
345 } __packed l_sigset_t;
346 
347 typedef struct {
348 	l_handler_t	lsa_handler;
349 	l_osigset_t	lsa_mask;
350 	l_ulong		lsa_flags;
351 	l_uintptr_t	lsa_restorer;
352 } __packed l_osigaction_t;
353 
354 typedef struct {
355 	l_handler_t	lsa_handler;
356 	l_ulong		lsa_flags;
357 	l_uintptr_t	lsa_restorer;
358 	l_sigset_t	lsa_mask;
359 } __packed l_sigaction_t;
360 
361 typedef struct {
362 	l_uintptr_t	ss_sp;
363 	l_int		ss_flags;
364 	l_size_t	ss_size;
365 } __packed l_stack_t;
366 
367 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
368 struct l_sigcontext {
369 	l_int		sc_gs;
370 	l_int		sc_fs;
371 	l_int		sc_es;
372 	l_int		sc_ds;
373 	l_int		sc_edi;
374 	l_int		sc_esi;
375 	l_int		sc_ebp;
376 	l_int		sc_esp;
377 	l_int		sc_ebx;
378 	l_int		sc_edx;
379 	l_int		sc_ecx;
380 	l_int		sc_eax;
381 	l_int		sc_trapno;
382 	l_int		sc_err;
383 	l_int		sc_eip;
384 	l_int		sc_cs;
385 	l_int		sc_eflags;
386 	l_int		sc_esp_at_signal;
387 	l_int		sc_ss;
388 	l_int		sc_387;
389 	l_int		sc_mask;
390 	l_int		sc_cr2;
391 } __packed;
392 
393 struct l_ucontext {
394 	l_ulong		uc_flags;
395 	l_uintptr_t	uc_link;
396 	l_stack_t	uc_stack;
397 	struct l_sigcontext	uc_mcontext;
398 	l_sigset_t	uc_sigmask;
399 } __packed;
400 
401 #define	LINUX_SI_MAX_SIZE	128
402 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
403 
404 typedef union l_sigval {
405 	l_int		sival_int;
406 	l_uintptr_t	sival_ptr;
407 } l_sigval_t;
408 
409 typedef struct l_siginfo {
410 	l_int		lsi_signo;
411 	l_int		lsi_errno;
412 	l_int		lsi_code;
413 	union {
414 		l_int	_pad[LINUX_SI_PAD_SIZE];
415 
416 		struct {
417 			l_pid_t		_pid;
418 			l_uid_t		_uid;
419 		} __packed _kill;
420 
421 		struct {
422 			l_timer_t	_tid;
423 			l_int		_overrun;
424 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
425 			l_sigval_t	_sigval;
426 			l_int		_sys_private;
427 		} __packed _timer;
428 
429 		struct {
430 			l_pid_t		_pid;		/* sender's pid */
431 			l_uid_t		_uid;		/* sender's uid */
432 			l_sigval_t	_sigval;
433 		} __packed _rt;
434 
435 		struct {
436 			l_pid_t		_pid;		/* which child */
437 			l_uid_t		_uid;		/* sender's uid */
438 			l_int		_status;	/* exit code */
439 			l_clock_t	_utime;
440 			l_clock_t	_stime;
441 		} __packed _sigchld;
442 
443 		struct {
444 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
445 		} __packed _sigfault;
446 
447 		struct {
448 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
449 			l_int		_fd;
450 		} __packed _sigpoll;
451 	} _sifields;
452 } __packed l_siginfo_t;
453 
454 #define	lsi_pid		_sifields._kill._pid
455 #define	lsi_uid		_sifields._kill._uid
456 #define	lsi_tid		_sifields._timer._tid
457 #define	lsi_overrun	_sifields._timer._overrun
458 #define	lsi_sys_private	_sifields._timer._sys_private
459 #define	lsi_status	_sifields._sigchld._status
460 #define	lsi_utime	_sifields._sigchld._utime
461 #define	lsi_stime	_sifields._sigchld._stime
462 #define	lsi_value	_sifields._rt._sigval
463 #define	lsi_int		_sifields._rt._sigval.sival_int
464 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
465 #define	lsi_addr	_sifields._sigfault._addr
466 #define	lsi_band	_sifields._sigpoll._band
467 #define	lsi_fd		_sifields._sigpoll._fd
468 
469 struct l_fpreg {
470 	u_int16_t	significand[4];
471 	u_int16_t	exponent;
472 } __packed;
473 
474 struct l_fpxreg {
475 	u_int16_t	significand[4];
476 	u_int16_t	exponent;
477 	u_int16_t	padding[3];
478 } __packed;
479 
480 struct l_xmmreg {
481 	u_int32_t	element[4];
482 } __packed;
483 
484 struct l_fpstate {
485 	/* Regular FPU environment */
486 	u_int32_t		cw;
487 	u_int32_t		sw;
488 	u_int32_t		tag;
489 	u_int32_t		ipoff;
490 	u_int32_t		cssel;
491 	u_int32_t		dataoff;
492 	u_int32_t		datasel;
493 	struct l_fpreg		_st[8];
494 	u_int16_t		status;
495 	u_int16_t		magic;		/* 0xffff = regular FPU data */
496 
497 	/* FXSR FPU environment */
498 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
499 	u_int32_t		mxcsr;
500 	u_int32_t		reserved;
501 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
502 	struct l_xmmreg		_xmm[8];
503 	u_int32_t		padding[56];
504 } __packed;
505 
506 /*
507  * We make the stack look like Linux expects it when calling a signal
508  * handler, but use the BSD way of calling the handler and sigreturn().
509  * This means that we need to pass the pointer to the handler too.
510  * It is appended to the frame to not interfere with the rest of it.
511  */
512 struct l_sigframe {
513 	l_int			sf_sig;
514 	struct l_sigcontext	sf_sc;
515 	struct l_fpstate	sf_fpstate;
516 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
517 	l_handler_t		sf_handler;
518 } __packed;
519 
520 struct l_rt_sigframe {
521 	l_int			sf_sig;
522 	l_uintptr_t 		sf_siginfo;
523 	l_uintptr_t		sf_ucontext;
524 	l_siginfo_t		sf_si;
525 	struct l_ucontext 	sf_sc;
526 	l_handler_t 		sf_handler;
527 } __packed;
528 
529 extern int bsd_to_linux_signal[];
530 extern int linux_to_bsd_signal[];
531 extern struct sysentvec elf_linux_sysvec;
532 
533 /*
534  * Pluggable ioctl handlers
535  */
536 struct linux_ioctl_args;
537 struct thread;
538 
539 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
540 
541 struct linux_ioctl_handler {
542 	linux_ioctl_function_t *func;
543 	int	low, high;
544 };
545 
546 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
547 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
548 
549 /*
550  * open/fcntl flags
551  */
552 #define	LINUX_O_RDONLY		00000000
553 #define	LINUX_O_WRONLY		00000001
554 #define	LINUX_O_RDWR		00000002
555 #define	LINUX_O_ACCMODE		00000003
556 #define	LINUX_O_CREAT		00000100
557 #define	LINUX_O_EXCL		00000200
558 #define	LINUX_O_NOCTTY		00000400
559 #define	LINUX_O_TRUNC		00001000
560 #define	LINUX_O_APPEND		00002000
561 #define	LINUX_O_NONBLOCK	00004000
562 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
563 #define	LINUX_O_SYNC		00010000
564 #define	LINUX_FASYNC		00020000
565 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
566 #define	LINUX_O_LARGEFILE	00100000
567 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
568 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
569 #define	LINUX_O_NOATIME		01000000
570 
571 #define	LINUX_F_DUPFD		0
572 #define	LINUX_F_GETFD		1
573 #define	LINUX_F_SETFD		2
574 #define	LINUX_F_GETFL		3
575 #define	LINUX_F_SETFL		4
576 #define	LINUX_F_GETLK		5
577 #define	LINUX_F_SETLK		6
578 #define	LINUX_F_SETLKW		7
579 #define	LINUX_F_SETOWN		8
580 #define	LINUX_F_GETOWN		9
581 
582 #define	LINUX_F_GETLK64		12
583 #define	LINUX_F_SETLK64		13
584 #define	LINUX_F_SETLKW64	14
585 
586 #define	LINUX_F_RDLCK		0
587 #define	LINUX_F_WRLCK		1
588 #define	LINUX_F_UNLCK		2
589 
590 /*
591  * mount flags
592  */
593 #define	LINUX_MS_RDONLY		0x0001
594 #define	LINUX_MS_NOSUID		0x0002
595 #define	LINUX_MS_NODEV		0x0004
596 #define	LINUX_MS_NOEXEC		0x0008
597 #define	LINUX_MS_REMOUNT	0x0020
598 
599 /*
600  * SystemV IPC defines
601  */
602 #define	LINUX_SEMOP		1
603 #define	LINUX_SEMGET		2
604 #define	LINUX_SEMCTL		3
605 #define	LINUX_MSGSND		11
606 #define	LINUX_MSGRCV		12
607 #define	LINUX_MSGGET		13
608 #define	LINUX_MSGCTL		14
609 #define	LINUX_SHMAT		21
610 #define	LINUX_SHMDT		22
611 #define	LINUX_SHMGET		23
612 #define	LINUX_SHMCTL		24
613 
614 #define	LINUX_IPC_RMID		0
615 #define	LINUX_IPC_SET		1
616 #define	LINUX_IPC_STAT		2
617 #define	LINUX_IPC_INFO		3
618 
619 #define	LINUX_SHM_LOCK		11
620 #define	LINUX_SHM_UNLOCK	12
621 #define	LINUX_SHM_STAT		13
622 #define	LINUX_SHM_INFO		14
623 
624 #define	LINUX_SHM_RDONLY	0x1000
625 #define	LINUX_SHM_RND		0x2000
626 #define	LINUX_SHM_REMAP		0x4000
627 
628 /* semctl commands */
629 #define	LINUX_GETPID		11
630 #define	LINUX_GETVAL		12
631 #define	LINUX_GETALL		13
632 #define	LINUX_GETNCNT		14
633 #define	LINUX_GETZCNT		15
634 #define	LINUX_SETVAL		16
635 #define	LINUX_SETALL		17
636 #define	LINUX_SEM_STAT		18
637 #define	LINUX_SEM_INFO		19
638 
639 union l_semun {
640 	l_int		val;
641 	l_uintptr_t	buf;
642 	l_uintptr_t	array;
643 	l_uintptr_t	__buf;
644 	l_uintptr_t	__pad;
645 } __packed;
646 
647 /*
648  * Socket defines
649  */
650 #define	LINUX_SOCKET 		1
651 #define	LINUX_BIND		2
652 #define	LINUX_CONNECT 		3
653 #define	LINUX_LISTEN 		4
654 #define	LINUX_ACCEPT 		5
655 #define	LINUX_GETSOCKNAME	6
656 #define	LINUX_GETPEERNAME	7
657 #define	LINUX_SOCKETPAIR	8
658 #define	LINUX_SEND		9
659 #define	LINUX_RECV		10
660 #define	LINUX_SENDTO 		11
661 #define	LINUX_RECVFROM 		12
662 #define	LINUX_SHUTDOWN 		13
663 #define	LINUX_SETSOCKOPT	14
664 #define	LINUX_GETSOCKOPT	15
665 #define	LINUX_SENDMSG		16
666 #define	LINUX_RECVMSG		17
667 
668 #define	LINUX_AF_UNSPEC		0
669 #define	LINUX_AF_UNIX		1
670 #define	LINUX_AF_INET		2
671 #define	LINUX_AF_AX25		3
672 #define	LINUX_AF_IPX		4
673 #define	LINUX_AF_APPLETALK	5
674 #define	LINUX_AF_INET6		10
675 
676 #define	LINUX_SOL_SOCKET	1
677 #define	LINUX_SOL_IP		0
678 #define	LINUX_SOL_IPX		256
679 #define	LINUX_SOL_AX25		257
680 #define	LINUX_SOL_TCP		6
681 #define	LINUX_SOL_UDP		17
682 
683 #define	LINUX_SO_DEBUG		1
684 #define	LINUX_SO_REUSEADDR	2
685 #define	LINUX_SO_TYPE		3
686 #define	LINUX_SO_ERROR		4
687 #define	LINUX_SO_DONTROUTE	5
688 #define	LINUX_SO_BROADCAST	6
689 #define	LINUX_SO_SNDBUF		7
690 #define	LINUX_SO_RCVBUF		8
691 #define	LINUX_SO_KEEPALIVE	9
692 #define	LINUX_SO_OOBINLINE	10
693 #define	LINUX_SO_NO_CHECK	11
694 #define	LINUX_SO_PRIORITY	12
695 #define	LINUX_SO_LINGER		13
696 #define	LINUX_SO_PEERCRED	17
697 #define	LINUX_SO_RCVLOWAT	18
698 #define	LINUX_SO_SNDLOWAT	19
699 #define	LINUX_SO_RCVTIMEO	20
700 #define	LINUX_SO_SNDTIMEO	21
701 #define	LINUX_SO_TIMESTAMP	29
702 #define	LINUX_SO_ACCEPTCONN	30
703 
704 #define	LINUX_IP_TOS		1
705 #define	LINUX_IP_TTL		2
706 #define	LINUX_IP_HDRINCL	3
707 #define	LINUX_IP_OPTIONS	4
708 
709 #define	LINUX_IP_MULTICAST_IF		32
710 #define	LINUX_IP_MULTICAST_TTL		33
711 #define	LINUX_IP_MULTICAST_LOOP		34
712 #define	LINUX_IP_ADD_MEMBERSHIP		35
713 #define	LINUX_IP_DROP_MEMBERSHIP	36
714 
715 struct l_sockaddr {
716 	l_ushort	sa_family;
717 	char		sa_data[14];
718 } __packed;
719 
720 struct l_msghdr {
721 	l_uintptr_t	msg_name;
722 	l_int		msg_namelen;
723 	l_uintptr_t	msg_iov;
724 	l_size_t	msg_iovlen;
725 	l_uintptr_t	msg_control;
726 	l_size_t	msg_controllen;
727 	l_uint		msg_flags;
728 };
729 
730 struct l_cmsghdr {
731 	l_size_t	cmsg_len;
732 	l_int		cmsg_level;
733 	l_int		cmsg_type;
734 };
735 
736 struct l_ifmap {
737 	l_ulong		mem_start;
738 	l_ulong		mem_end;
739 	l_ushort	base_addr;
740 	u_char		irq;
741 	u_char		dma;
742 	u_char		port;
743 } __packed;
744 
745 #define	LINUX_IFHWADDRLEN	6
746 #define	LINUX_IFNAMSIZ		16
747 
748 struct l_ifreq {
749 	union {
750 		char	ifrn_name[LINUX_IFNAMSIZ];
751 	} ifr_ifrn;
752 
753 	union {
754 		struct l_sockaddr	ifru_addr;
755 		struct l_sockaddr	ifru_dstaddr;
756 		struct l_sockaddr	ifru_broadaddr;
757 		struct l_sockaddr	ifru_netmask;
758 		struct l_sockaddr	ifru_hwaddr;
759 		l_short		ifru_flags[1];
760 		l_int		ifru_metric;
761 		l_int		ifru_mtu;
762 		struct l_ifmap	ifru_map;
763 		char		ifru_slave[LINUX_IFNAMSIZ];
764 		l_uintptr_t	ifru_data;
765 	} ifr_ifru;
766 } __packed;
767 
768 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
769 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
770 
771 struct l_ifconf {
772 	int	ifc_len;
773 	union {
774 		l_uintptr_t	ifcu_buf;
775 		l_uintptr_t	ifcu_req;
776 	} ifc_ifcu;
777 } __packed;
778 
779 #define	ifc_buf		ifc_ifcu.ifcu_buf
780 #define	ifc_req		ifc_ifcu.ifcu_req
781 
782 /*
783  * poll()
784  */
785 #define	LINUX_POLLIN		0x0001
786 #define	LINUX_POLLPRI		0x0002
787 #define	LINUX_POLLOUT		0x0004
788 #define	LINUX_POLLERR		0x0008
789 #define	LINUX_POLLHUP		0x0010
790 #define	LINUX_POLLNVAL		0x0020
791 #define	LINUX_POLLRDNORM	0x0040
792 #define	LINUX_POLLRDBAND	0x0080
793 #define	LINUX_POLLWRNORM	0x0100
794 #define	LINUX_POLLWRBAND	0x0200
795 #define	LINUX_POLLMSG		0x0400
796 
797 struct l_pollfd {
798 	l_int		fd;
799 	l_short		events;
800 	l_short		revents;
801 } __packed;
802 
803 struct l_user_desc {
804 	l_uint		entry_number;
805 	l_uint		base_addr;
806 	l_uint		limit;
807 	l_uint		seg_32bit:1;
808 	l_uint		contents:2;
809 	l_uint		read_exec_only:1;
810 	l_uint		limit_in_pages:1;
811 	l_uint		seg_not_present:1;
812 	l_uint		useable:1;
813 };
814 
815 #define	LINUX_LOWERWORD	0x0000ffff
816 
817 /*
818  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
819  * These convert Linux user space descriptor to machine one.
820  */
821 #define	LINUX_LDT_entry_a(info)					\
822 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
823 	((info)->limit & LINUX_LOWERWORD))
824 
825 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
826 #define	LINUX_ENTRY_B_CONTENTS		10
827 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
828 #define	LINUX_ENTRY_B_BASE_ADDR		16
829 #define	LINUX_ENTRY_B_USEABLE		20
830 #define	LINUX_ENTRY_B_SEG32BIT		22
831 #define	LINUX_ENTRY_B_LIMIT		23
832 
833 #define	LINUX_LDT_entry_b(info)							\
834 	(((info)->base_addr & 0xff000000) |					\
835 	((info)->limit & 0xf0000) |						\
836 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
837 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
838 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
839 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
840 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
841 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
842 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
843 
844 #define	LINUX_LDT_empty(info)		\
845 	((info)->base_addr == 0 &&	\
846 	(info)->limit == 0 &&		\
847 	(info)->contents == 0 &&	\
848 	(info)->seg_not_present == 1 &&	\
849 	(info)->read_exec_only == 1 &&	\
850 	(info)->seg_32bit == 0 &&	\
851 	(info)->limit_in_pages == 0 &&	\
852 	(info)->useable == 0)
853 
854 /*
855  * Macros for converting segments.
856  * They do the same as those in arch/i386/kernel/process.c in Linux.
857  */
858 #define	LINUX_GET_BASE(desc)				\
859 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
860 	(((desc)->b << 16) & 0x00ff0000) |		\
861 	((desc)->b & 0xff000000))
862 
863 #define	LINUX_GET_LIMIT(desc)			\
864 	(((desc)->a & LINUX_LOWERWORD) |	\
865 	((desc)->b & 0xf0000))
866 
867 #define	LINUX_GET_32BIT(desc)		\
868 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
869 #define	LINUX_GET_CONTENTS(desc)	\
870 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
871 #define	LINUX_GET_WRITABLE(desc)	\
872 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
873 #define	LINUX_GET_LIMIT_PAGES(desc)	\
874 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
875 #define	LINUX_GET_PRESENT(desc)		\
876 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
877 #define	LINUX_GET_USEABLE(desc)		\
878 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
879 
880 #define	LINUX_CLOCK_REALTIME		0
881 #define	LINUX_CLOCK_MONOTONIC		1
882 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
883 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
884 #define	LINUX_CLOCK_REALTIME_HR		4
885 #define	LINUX_CLOCK_MONOTONIC_HR	5
886 
887 #define	LINUX_CLONE_VM			0x00000100
888 #define	LINUX_CLONE_FS			0x00000200
889 #define	LINUX_CLONE_FILES		0x00000400
890 #define	LINUX_CLONE_SIGHAND		0x00000800
891 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
892 #define	LINUX_CLONE_VFORK		0x00004000
893 #define	LINUX_CLONE_PARENT		0x00008000
894 #define	LINUX_CLONE_THREAD		0x00010000
895 #define	LINUX_CLONE_SETTLS		0x00080000
896 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
897 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
898 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
899 
900 #define	LINUX_THREADING_FLAGS					\
901 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
902 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
903 
904 struct iovec;
905 
906 struct l_iovec32 {
907 	uint32_t	iov_base;
908 	l_size_t	iov_len;
909 };
910 
911 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
912 			    struct iovec **iovp, int error);
913 
914 /* robust futexes */
915 struct linux_robust_list {
916 	l_uintptr_t			next;
917 };
918 
919 struct linux_robust_list_head {
920 	struct linux_robust_list	list;
921 	l_long				futex_offset;
922 	l_uintptr_t			pending_list;
923 };
924 
925 #endif /* !_AMD64_LINUX_H_ */
926