xref: /freebsd/sys/amd64/linux32/linux.h (revision d7d3cbdadf840c3b43a54df7075d870c1e933b06)
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 } 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 #define	LINUX_AT_COUNT		16	/* Count of used aux entry types.
112 					 * Keep this synchronized with
113 					 * elf_linux_fixup() code.
114 					 */
115 struct l___sysctl_args
116 {
117 	l_uintptr_t	name;
118 	l_int		nlen;
119 	l_uintptr_t	oldval;
120 	l_uintptr_t	oldlenp;
121 	l_uintptr_t	newval;
122 	l_size_t	newlen;
123 	l_ulong		__spare[4];
124 } __packed;
125 
126 /* Scheduling policies */
127 #define	LINUX_SCHED_OTHER	0
128 #define	LINUX_SCHED_FIFO	1
129 #define	LINUX_SCHED_RR		2
130 
131 /* Resource limits */
132 #define	LINUX_RLIMIT_CPU	0
133 #define	LINUX_RLIMIT_FSIZE	1
134 #define	LINUX_RLIMIT_DATA	2
135 #define	LINUX_RLIMIT_STACK	3
136 #define	LINUX_RLIMIT_CORE	4
137 #define	LINUX_RLIMIT_RSS	5
138 #define	LINUX_RLIMIT_NPROC	6
139 #define	LINUX_RLIMIT_NOFILE	7
140 #define	LINUX_RLIMIT_MEMLOCK	8
141 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
142 
143 #define	LINUX_RLIM_NLIMITS	10
144 
145 struct l_rlimit {
146 	l_ulong rlim_cur;
147 	l_ulong rlim_max;
148 } __packed;
149 
150 struct l_rusage {
151 	l_timeval ru_utime;
152 	l_timeval ru_stime;
153 	l_long	ru_maxrss;
154 	l_long	ru_ixrss;
155 	l_long	ru_idrss;
156 	l_long	ru_isrss;
157 	l_long	ru_minflt;
158 	l_long	ru_majflt;
159 	l_long	ru_nswap;
160 	l_long	ru_inblock;
161 	l_long	ru_oublock;
162 	l_long	ru_msgsnd;
163 	l_long	ru_msgrcv;
164 	l_long	ru_nsignals;
165 	l_long	ru_nvcsw;
166 	l_long	ru_nivcsw;
167 } __packed;
168 
169 /* mmap options */
170 #define	LINUX_MAP_SHARED	0x0001
171 #define	LINUX_MAP_PRIVATE	0x0002
172 #define	LINUX_MAP_FIXED		0x0010
173 #define	LINUX_MAP_ANON		0x0020
174 #define	LINUX_MAP_GROWSDOWN	0x0100
175 
176 struct l_mmap_argv {
177 	l_uintptr_t	addr;
178 	l_size_t	len;
179 	l_int		prot;
180 	l_int		flags;
181 	l_int		fd;
182 	l_ulong		pgoff;
183 };
184 
185 /*
186  * stat family of syscalls
187  */
188 struct l_timespec {
189 	l_time_t	tv_sec;
190 	l_long		tv_nsec;
191 } __packed;
192 
193 struct l_newstat {
194 	l_ushort	st_dev;
195 	l_ushort	__pad1;
196 	l_ulong		st_ino;
197 	l_ushort	st_mode;
198 	l_ushort	st_nlink;
199 	l_ushort	st_uid;
200 	l_ushort	st_gid;
201 	l_ushort	st_rdev;
202 	l_ushort	__pad2;
203 	l_ulong		st_size;
204 	l_ulong		st_blksize;
205 	l_ulong		st_blocks;
206 	struct l_timespec	st_atim;
207 	struct l_timespec	st_mtim;
208 	struct l_timespec	st_ctim;
209 	l_ulong		__unused4;
210 	l_ulong		__unused5;
211 } __packed;
212 
213 struct l_stat {
214 	l_ushort	st_dev;
215 	l_ulong		st_ino;
216 	l_ushort	st_mode;
217 	l_ushort	st_nlink;
218 	l_ushort	st_uid;
219 	l_ushort	st_gid;
220 	l_ushort	st_rdev;
221 	l_long		st_size;
222 	struct l_timespec	st_atim;
223 	struct l_timespec	st_mtim;
224 	struct l_timespec	st_ctim;
225 	l_long		st_blksize;
226 	l_long		st_blocks;
227 	l_ulong		st_flags;
228 	l_ulong		st_gen;
229 };
230 
231 struct l_stat64 {
232 	l_ushort	st_dev;
233 	u_char		__pad0[10];
234 	l_ulong		__st_ino;
235 	l_uint		st_mode;
236 	l_uint		st_nlink;
237 	l_ulong		st_uid;
238 	l_ulong		st_gid;
239 	l_ushort	st_rdev;
240 	u_char		__pad3[10];
241 	l_longlong	st_size;
242 	l_ulong		st_blksize;
243 	l_ulong		st_blocks;
244 	l_ulong		__pad4;
245 	struct l_timespec	st_atim;
246 	struct l_timespec	st_mtim;
247 	struct l_timespec	st_ctim;
248 	l_ulonglong	st_ino;
249 } __packed;
250 
251 struct l_statfs64 {
252         l_int           f_type;
253         l_int           f_bsize;
254         uint64_t        f_blocks;
255         uint64_t        f_bfree;
256         uint64_t        f_bavail;
257         uint64_t        f_files;
258         uint64_t        f_ffree;
259         l_fsid_t        f_fsid;
260         l_int           f_namelen;
261         l_int           f_spare[6];
262 } __packed;
263 
264 struct l_new_utsname {
265 	char	sysname[LINUX_MAX_UTSNAME];
266 	char	nodename[LINUX_MAX_UTSNAME];
267 	char	release[LINUX_MAX_UTSNAME];
268 	char	version[LINUX_MAX_UTSNAME];
269 	char	machine[LINUX_MAX_UTSNAME];
270 	char	domainname[LINUX_MAX_UTSNAME];
271 } __packed;
272 
273 /*
274  * Signalling
275  */
276 #define	LINUX_SIGHUP		1
277 #define	LINUX_SIGINT		2
278 #define	LINUX_SIGQUIT		3
279 #define	LINUX_SIGILL		4
280 #define	LINUX_SIGTRAP		5
281 #define	LINUX_SIGABRT		6
282 #define	LINUX_SIGIOT		LINUX_SIGABRT
283 #define	LINUX_SIGBUS		7
284 #define	LINUX_SIGFPE		8
285 #define	LINUX_SIGKILL		9
286 #define	LINUX_SIGUSR1		10
287 #define	LINUX_SIGSEGV		11
288 #define	LINUX_SIGUSR2		12
289 #define	LINUX_SIGPIPE		13
290 #define	LINUX_SIGALRM		14
291 #define	LINUX_SIGTERM		15
292 #define	LINUX_SIGSTKFLT		16
293 #define	LINUX_SIGCHLD		17
294 #define	LINUX_SIGCONT		18
295 #define	LINUX_SIGSTOP		19
296 #define	LINUX_SIGTSTP		20
297 #define	LINUX_SIGTTIN		21
298 #define	LINUX_SIGTTOU		22
299 #define	LINUX_SIGURG		23
300 #define	LINUX_SIGXCPU		24
301 #define	LINUX_SIGXFSZ		25
302 #define	LINUX_SIGVTALRM		26
303 #define	LINUX_SIGPROF		27
304 #define	LINUX_SIGWINCH		28
305 #define	LINUX_SIGIO		29
306 #define	LINUX_SIGPOLL		LINUX_SIGIO
307 #define	LINUX_SIGPWR		30
308 #define	LINUX_SIGSYS		31
309 #define	LINUX_SIGRTMIN		32
310 
311 #define	LINUX_SIGTBLSZ		31
312 #define	LINUX_NSIG_WORDS	2
313 #define	LINUX_NBPW		32
314 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
315 
316 /* sigaction flags */
317 #define	LINUX_SA_NOCLDSTOP	0x00000001
318 #define	LINUX_SA_NOCLDWAIT	0x00000002
319 #define	LINUX_SA_SIGINFO	0x00000004
320 #define	LINUX_SA_RESTORER	0x04000000
321 #define	LINUX_SA_ONSTACK	0x08000000
322 #define	LINUX_SA_RESTART	0x10000000
323 #define	LINUX_SA_INTERRUPT	0x20000000
324 #define	LINUX_SA_NOMASK		0x40000000
325 #define	LINUX_SA_ONESHOT	0x80000000
326 
327 /* sigprocmask actions */
328 #define	LINUX_SIG_BLOCK		0
329 #define	LINUX_SIG_UNBLOCK	1
330 #define	LINUX_SIG_SETMASK	2
331 
332 /* sigset_t macros */
333 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
334 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
335 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
336 
337 /* sigaltstack */
338 #define	LINUX_MINSIGSTKSZ	2048
339 #define	LINUX_SS_ONSTACK	1
340 #define	LINUX_SS_DISABLE	2
341 
342 int linux_to_bsd_sigaltstack(int lsa);
343 int bsd_to_linux_sigaltstack(int bsa);
344 
345 typedef l_uintptr_t l_handler_t;
346 typedef l_ulong	l_osigset_t;
347 
348 typedef struct {
349 	l_uint	__bits[LINUX_NSIG_WORDS];
350 } __packed l_sigset_t;
351 
352 typedef struct {
353 	l_handler_t	lsa_handler;
354 	l_osigset_t	lsa_mask;
355 	l_ulong		lsa_flags;
356 	l_uintptr_t	lsa_restorer;
357 } __packed l_osigaction_t;
358 
359 typedef struct {
360 	l_handler_t	lsa_handler;
361 	l_ulong		lsa_flags;
362 	l_uintptr_t	lsa_restorer;
363 	l_sigset_t	lsa_mask;
364 } __packed l_sigaction_t;
365 
366 typedef struct {
367 	l_uintptr_t	ss_sp;
368 	l_int		ss_flags;
369 	l_size_t	ss_size;
370 } __packed l_stack_t;
371 
372 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
373 struct l_sigcontext {
374 	l_uint		sc_gs;
375 	l_uint		sc_fs;
376 	l_uint		sc_es;
377 	l_uint		sc_ds;
378 	l_uint		sc_edi;
379 	l_uint		sc_esi;
380 	l_uint		sc_ebp;
381 	l_uint		sc_esp;
382 	l_uint		sc_ebx;
383 	l_uint		sc_edx;
384 	l_uint		sc_ecx;
385 	l_uint		sc_eax;
386 	l_uint		sc_trapno;
387 	l_uint		sc_err;
388 	l_uint		sc_eip;
389 	l_uint		sc_cs;
390 	l_uint		sc_eflags;
391 	l_uint		sc_esp_at_signal;
392 	l_uint		sc_ss;
393 	l_uint		sc_387;
394 	l_uint		sc_mask;
395 	l_uint		sc_cr2;
396 } __packed;
397 
398 struct l_ucontext {
399 	l_ulong		uc_flags;
400 	l_uintptr_t	uc_link;
401 	l_stack_t	uc_stack;
402 	struct l_sigcontext	uc_mcontext;
403 	l_sigset_t	uc_sigmask;
404 } __packed;
405 
406 #define	LINUX_SI_MAX_SIZE	128
407 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
408 
409 typedef union l_sigval {
410 	l_int		sival_int;
411 	l_uintptr_t	sival_ptr;
412 } l_sigval_t;
413 
414 typedef struct l_siginfo {
415 	l_int		lsi_signo;
416 	l_int		lsi_errno;
417 	l_int		lsi_code;
418 	union {
419 		l_int	_pad[LINUX_SI_PAD_SIZE];
420 
421 		struct {
422 			l_pid_t		_pid;
423 			l_uid_t		_uid;
424 		} __packed _kill;
425 
426 		struct {
427 			l_timer_t	_tid;
428 			l_int		_overrun;
429 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
430 			l_sigval_t	_sigval;
431 			l_int		_sys_private;
432 		} __packed _timer;
433 
434 		struct {
435 			l_pid_t		_pid;		/* sender's pid */
436 			l_uid_t		_uid;		/* sender's uid */
437 			l_sigval_t	_sigval;
438 		} __packed _rt;
439 
440 		struct {
441 			l_pid_t		_pid;		/* which child */
442 			l_uid_t		_uid;		/* sender's uid */
443 			l_int		_status;	/* exit code */
444 			l_clock_t	_utime;
445 			l_clock_t	_stime;
446 		} __packed _sigchld;
447 
448 		struct {
449 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
450 		} __packed _sigfault;
451 
452 		struct {
453 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
454 			l_int		_fd;
455 		} __packed _sigpoll;
456 	} _sifields;
457 } __packed l_siginfo_t;
458 
459 #define	lsi_pid		_sifields._kill._pid
460 #define	lsi_uid		_sifields._kill._uid
461 #define	lsi_tid		_sifields._timer._tid
462 #define	lsi_overrun	_sifields._timer._overrun
463 #define	lsi_sys_private	_sifields._timer._sys_private
464 #define	lsi_status	_sifields._sigchld._status
465 #define	lsi_utime	_sifields._sigchld._utime
466 #define	lsi_stime	_sifields._sigchld._stime
467 #define	lsi_value	_sifields._rt._sigval
468 #define	lsi_int		_sifields._rt._sigval.sival_int
469 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
470 #define	lsi_addr	_sifields._sigfault._addr
471 #define	lsi_band	_sifields._sigpoll._band
472 #define	lsi_fd		_sifields._sigpoll._fd
473 
474 struct l_fpreg {
475 	u_int16_t	significand[4];
476 	u_int16_t	exponent;
477 } __packed;
478 
479 struct l_fpxreg {
480 	u_int16_t	significand[4];
481 	u_int16_t	exponent;
482 	u_int16_t	padding[3];
483 } __packed;
484 
485 struct l_xmmreg {
486 	u_int32_t	element[4];
487 } __packed;
488 
489 struct l_fpstate {
490 	/* Regular FPU environment */
491 	u_int32_t		cw;
492 	u_int32_t		sw;
493 	u_int32_t		tag;
494 	u_int32_t		ipoff;
495 	u_int32_t		cssel;
496 	u_int32_t		dataoff;
497 	u_int32_t		datasel;
498 	struct l_fpreg		_st[8];
499 	u_int16_t		status;
500 	u_int16_t		magic;		/* 0xffff = regular FPU data */
501 
502 	/* FXSR FPU environment */
503 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
504 	u_int32_t		mxcsr;
505 	u_int32_t		reserved;
506 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
507 	struct l_xmmreg		_xmm[8];
508 	u_int32_t		padding[56];
509 } __packed;
510 
511 /*
512  * We make the stack look like Linux expects it when calling a signal
513  * handler, but use the BSD way of calling the handler and sigreturn().
514  * This means that we need to pass the pointer to the handler too.
515  * It is appended to the frame to not interfere with the rest of it.
516  */
517 struct l_sigframe {
518 	l_int			sf_sig;
519 	struct l_sigcontext	sf_sc;
520 	struct l_fpstate	sf_fpstate;
521 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
522 	l_handler_t		sf_handler;
523 } __packed;
524 
525 struct l_rt_sigframe {
526 	l_int			sf_sig;
527 	l_uintptr_t 		sf_siginfo;
528 	l_uintptr_t		sf_ucontext;
529 	l_siginfo_t		sf_si;
530 	struct l_ucontext 	sf_sc;
531 	l_handler_t 		sf_handler;
532 } __packed;
533 
534 extern int bsd_to_linux_signal[];
535 extern int linux_to_bsd_signal[];
536 extern struct sysentvec elf_linux_sysvec;
537 
538 /*
539  * Pluggable ioctl handlers
540  */
541 struct linux_ioctl_args;
542 struct thread;
543 
544 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
545 
546 struct linux_ioctl_handler {
547 	linux_ioctl_function_t *func;
548 	int	low, high;
549 };
550 
551 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
552 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
553 
554 /*
555  * open/fcntl flags
556  */
557 #define	LINUX_O_RDONLY		00000000
558 #define	LINUX_O_WRONLY		00000001
559 #define	LINUX_O_RDWR		00000002
560 #define	LINUX_O_ACCMODE		00000003
561 #define	LINUX_O_CREAT		00000100
562 #define	LINUX_O_EXCL		00000200
563 #define	LINUX_O_NOCTTY		00000400
564 #define	LINUX_O_TRUNC		00001000
565 #define	LINUX_O_APPEND		00002000
566 #define	LINUX_O_NONBLOCK	00004000
567 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
568 #define	LINUX_O_SYNC		00010000
569 #define	LINUX_FASYNC		00020000
570 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
571 #define	LINUX_O_LARGEFILE	00100000
572 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
573 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
574 #define	LINUX_O_NOATIME		01000000
575 #define	LINUX_O_CLOEXEC		02000000
576 
577 #define	LINUX_F_DUPFD		0
578 #define	LINUX_F_GETFD		1
579 #define	LINUX_F_SETFD		2
580 #define	LINUX_F_GETFL		3
581 #define	LINUX_F_SETFL		4
582 #define	LINUX_F_GETLK		5
583 #define	LINUX_F_SETLK		6
584 #define	LINUX_F_SETLKW		7
585 #define	LINUX_F_SETOWN		8
586 #define	LINUX_F_GETOWN		9
587 
588 #define	LINUX_F_GETLK64		12
589 #define	LINUX_F_SETLK64		13
590 #define	LINUX_F_SETLKW64	14
591 
592 #define	LINUX_F_RDLCK		0
593 #define	LINUX_F_WRLCK		1
594 #define	LINUX_F_UNLCK		2
595 
596 /*
597  * mount flags
598  */
599 #define	LINUX_MS_RDONLY		0x0001
600 #define	LINUX_MS_NOSUID		0x0002
601 #define	LINUX_MS_NODEV		0x0004
602 #define	LINUX_MS_NOEXEC		0x0008
603 #define	LINUX_MS_REMOUNT	0x0020
604 
605 /*
606  * SystemV IPC defines
607  */
608 #define	LINUX_SEMOP		1
609 #define	LINUX_SEMGET		2
610 #define	LINUX_SEMCTL		3
611 #define	LINUX_MSGSND		11
612 #define	LINUX_MSGRCV		12
613 #define	LINUX_MSGGET		13
614 #define	LINUX_MSGCTL		14
615 #define	LINUX_SHMAT		21
616 #define	LINUX_SHMDT		22
617 #define	LINUX_SHMGET		23
618 #define	LINUX_SHMCTL		24
619 
620 #define	LINUX_IPC_RMID		0
621 #define	LINUX_IPC_SET		1
622 #define	LINUX_IPC_STAT		2
623 #define	LINUX_IPC_INFO		3
624 
625 #define	LINUX_SHM_LOCK		11
626 #define	LINUX_SHM_UNLOCK	12
627 #define	LINUX_SHM_STAT		13
628 #define	LINUX_SHM_INFO		14
629 
630 #define	LINUX_SHM_RDONLY	0x1000
631 #define	LINUX_SHM_RND		0x2000
632 #define	LINUX_SHM_REMAP		0x4000
633 
634 /* semctl commands */
635 #define	LINUX_GETPID		11
636 #define	LINUX_GETVAL		12
637 #define	LINUX_GETALL		13
638 #define	LINUX_GETNCNT		14
639 #define	LINUX_GETZCNT		15
640 #define	LINUX_SETVAL		16
641 #define	LINUX_SETALL		17
642 #define	LINUX_SEM_STAT		18
643 #define	LINUX_SEM_INFO		19
644 
645 union l_semun {
646 	l_int		val;
647 	l_uintptr_t	buf;
648 	l_uintptr_t	array;
649 	l_uintptr_t	__buf;
650 	l_uintptr_t	__pad;
651 } __packed;
652 
653 /*
654  * Socket defines
655  */
656 #define	LINUX_SOCKET 		1
657 #define	LINUX_BIND		2
658 #define	LINUX_CONNECT 		3
659 #define	LINUX_LISTEN 		4
660 #define	LINUX_ACCEPT 		5
661 #define	LINUX_GETSOCKNAME	6
662 #define	LINUX_GETPEERNAME	7
663 #define	LINUX_SOCKETPAIR	8
664 #define	LINUX_SEND		9
665 #define	LINUX_RECV		10
666 #define	LINUX_SENDTO 		11
667 #define	LINUX_RECVFROM 		12
668 #define	LINUX_SHUTDOWN 		13
669 #define	LINUX_SETSOCKOPT	14
670 #define	LINUX_GETSOCKOPT	15
671 #define	LINUX_SENDMSG		16
672 #define	LINUX_RECVMSG		17
673 #define	LINUX_ACCEPT4		18
674 
675 #define	LINUX_SOL_SOCKET	1
676 #define	LINUX_SOL_IP		0
677 #define	LINUX_SOL_IPX		256
678 #define	LINUX_SOL_AX25		257
679 #define	LINUX_SOL_TCP		6
680 #define	LINUX_SOL_UDP		17
681 
682 #define	LINUX_SO_DEBUG		1
683 #define	LINUX_SO_REUSEADDR	2
684 #define	LINUX_SO_TYPE		3
685 #define	LINUX_SO_ERROR		4
686 #define	LINUX_SO_DONTROUTE	5
687 #define	LINUX_SO_BROADCAST	6
688 #define	LINUX_SO_SNDBUF		7
689 #define	LINUX_SO_RCVBUF		8
690 #define	LINUX_SO_KEEPALIVE	9
691 #define	LINUX_SO_OOBINLINE	10
692 #define	LINUX_SO_NO_CHECK	11
693 #define	LINUX_SO_PRIORITY	12
694 #define	LINUX_SO_LINGER		13
695 #define	LINUX_SO_PEERCRED	17
696 #define	LINUX_SO_RCVLOWAT	18
697 #define	LINUX_SO_SNDLOWAT	19
698 #define	LINUX_SO_RCVTIMEO	20
699 #define	LINUX_SO_SNDTIMEO	21
700 #define	LINUX_SO_TIMESTAMP	29
701 #define	LINUX_SO_ACCEPTCONN	30
702 
703 #define	LINUX_IP_TOS		1
704 #define	LINUX_IP_TTL		2
705 #define	LINUX_IP_HDRINCL	3
706 #define	LINUX_IP_OPTIONS	4
707 
708 #define	LINUX_IP_MULTICAST_IF		32
709 #define	LINUX_IP_MULTICAST_TTL		33
710 #define	LINUX_IP_MULTICAST_LOOP		34
711 #define	LINUX_IP_ADD_MEMBERSHIP		35
712 #define	LINUX_IP_DROP_MEMBERSHIP	36
713 
714 struct l_sockaddr {
715 	l_ushort	sa_family;
716 	char		sa_data[14];
717 } __packed;
718 
719 struct l_msghdr {
720 	l_uintptr_t	msg_name;
721 	l_int		msg_namelen;
722 	l_uintptr_t	msg_iov;
723 	l_size_t	msg_iovlen;
724 	l_uintptr_t	msg_control;
725 	l_size_t	msg_controllen;
726 	l_uint		msg_flags;
727 };
728 
729 struct l_cmsghdr {
730 	l_size_t	cmsg_len;
731 	l_int		cmsg_level;
732 	l_int		cmsg_type;
733 };
734 
735 struct l_ifmap {
736 	l_ulong		mem_start;
737 	l_ulong		mem_end;
738 	l_ushort	base_addr;
739 	u_char		irq;
740 	u_char		dma;
741 	u_char		port;
742 } __packed;
743 
744 #define	LINUX_IFHWADDRLEN	6
745 #define	LINUX_IFNAMSIZ		16
746 
747 struct l_ifreq {
748 	union {
749 		char	ifrn_name[LINUX_IFNAMSIZ];
750 	} ifr_ifrn;
751 
752 	union {
753 		struct l_sockaddr	ifru_addr;
754 		struct l_sockaddr	ifru_dstaddr;
755 		struct l_sockaddr	ifru_broadaddr;
756 		struct l_sockaddr	ifru_netmask;
757 		struct l_sockaddr	ifru_hwaddr;
758 		l_short		ifru_flags[1];
759 		l_int		ifru_metric;
760 		l_int		ifru_mtu;
761 		struct l_ifmap	ifru_map;
762 		char		ifru_slave[LINUX_IFNAMSIZ];
763 		l_uintptr_t	ifru_data;
764 	} ifr_ifru;
765 } __packed;
766 
767 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
768 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
769 
770 struct l_ifconf {
771 	int	ifc_len;
772 	union {
773 		l_uintptr_t	ifcu_buf;
774 		l_uintptr_t	ifcu_req;
775 	} ifc_ifcu;
776 } __packed;
777 
778 #define	ifc_buf		ifc_ifcu.ifcu_buf
779 #define	ifc_req		ifc_ifcu.ifcu_req
780 
781 /*
782  * poll()
783  */
784 #define	LINUX_POLLIN		0x0001
785 #define	LINUX_POLLPRI		0x0002
786 #define	LINUX_POLLOUT		0x0004
787 #define	LINUX_POLLERR		0x0008
788 #define	LINUX_POLLHUP		0x0010
789 #define	LINUX_POLLNVAL		0x0020
790 #define	LINUX_POLLRDNORM	0x0040
791 #define	LINUX_POLLRDBAND	0x0080
792 #define	LINUX_POLLWRNORM	0x0100
793 #define	LINUX_POLLWRBAND	0x0200
794 #define	LINUX_POLLMSG		0x0400
795 
796 struct l_pollfd {
797 	l_int		fd;
798 	l_short		events;
799 	l_short		revents;
800 } __packed;
801 
802 struct l_user_desc {
803 	l_uint		entry_number;
804 	l_uint		base_addr;
805 	l_uint		limit;
806 	l_uint		seg_32bit:1;
807 	l_uint		contents:2;
808 	l_uint		read_exec_only:1;
809 	l_uint		limit_in_pages:1;
810 	l_uint		seg_not_present:1;
811 	l_uint		useable:1;
812 };
813 
814 #define	LINUX_LOWERWORD	0x0000ffff
815 
816 /*
817  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
818  * These convert Linux user space descriptor to machine one.
819  */
820 #define	LINUX_LDT_entry_a(info)					\
821 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
822 	((info)->limit & LINUX_LOWERWORD))
823 
824 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
825 #define	LINUX_ENTRY_B_CONTENTS		10
826 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
827 #define	LINUX_ENTRY_B_BASE_ADDR		16
828 #define	LINUX_ENTRY_B_USEABLE		20
829 #define	LINUX_ENTRY_B_SEG32BIT		22
830 #define	LINUX_ENTRY_B_LIMIT		23
831 
832 #define	LINUX_LDT_entry_b(info)							\
833 	(((info)->base_addr & 0xff000000) |					\
834 	((info)->limit & 0xf0000) |						\
835 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
836 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
837 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
838 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
839 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
840 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
841 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
842 
843 #define	LINUX_LDT_empty(info)		\
844 	((info)->base_addr == 0 &&	\
845 	(info)->limit == 0 &&		\
846 	(info)->contents == 0 &&	\
847 	(info)->seg_not_present == 1 &&	\
848 	(info)->read_exec_only == 1 &&	\
849 	(info)->seg_32bit == 0 &&	\
850 	(info)->limit_in_pages == 0 &&	\
851 	(info)->useable == 0)
852 
853 /*
854  * Macros for converting segments.
855  * They do the same as those in arch/i386/kernel/process.c in Linux.
856  */
857 #define	LINUX_GET_BASE(desc)				\
858 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
859 	(((desc)->b << 16) & 0x00ff0000) |		\
860 	((desc)->b & 0xff000000))
861 
862 #define	LINUX_GET_LIMIT(desc)			\
863 	(((desc)->a & LINUX_LOWERWORD) |	\
864 	((desc)->b & 0xf0000))
865 
866 #define	LINUX_GET_32BIT(desc)		\
867 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
868 #define	LINUX_GET_CONTENTS(desc)	\
869 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
870 #define	LINUX_GET_WRITABLE(desc)	\
871 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
872 #define	LINUX_GET_LIMIT_PAGES(desc)	\
873 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
874 #define	LINUX_GET_PRESENT(desc)		\
875 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
876 #define	LINUX_GET_USEABLE(desc)		\
877 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
878 
879 #define	LINUX_CLOCK_REALTIME		0
880 #define	LINUX_CLOCK_MONOTONIC		1
881 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
882 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
883 #define	LINUX_CLOCK_REALTIME_HR		4
884 #define	LINUX_CLOCK_MONOTONIC_HR	5
885 
886 #define	LINUX_CLONE_VM			0x00000100
887 #define	LINUX_CLONE_FS			0x00000200
888 #define	LINUX_CLONE_FILES		0x00000400
889 #define	LINUX_CLONE_SIGHAND		0x00000800
890 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
891 #define	LINUX_CLONE_VFORK		0x00004000
892 #define	LINUX_CLONE_PARENT		0x00008000
893 #define	LINUX_CLONE_THREAD		0x00010000
894 #define	LINUX_CLONE_SETTLS		0x00080000
895 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
896 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
897 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
898 
899 #define	LINUX_THREADING_FLAGS					\
900 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
901 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
902 
903 struct iovec;
904 
905 struct l_iovec32 {
906 	uint32_t	iov_base;
907 	l_size_t	iov_len;
908 };
909 
910 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
911 			    struct iovec **iovp, int error);
912 
913 /* robust futexes */
914 struct linux_robust_list {
915 	l_uintptr_t			next;
916 };
917 
918 struct linux_robust_list_head {
919 	struct linux_robust_list	list;
920 	l_long				futex_offset;
921 	l_uintptr_t			pending_list;
922 };
923 
924 int linux_set_upcall_kse(struct thread *td, register_t stack);
925 int linux_set_cloned_tls(struct thread *td, void *desc);
926 
927 #endif /* !_AMD64_LINUX_H_ */
928