xref: /freebsd/sys/amd64/linux32/linux.h (revision 884a2a699669ec61e2366e3e358342dbc94be24a)
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_MAXUSER		((1ul << 32) - PAGE_SIZE)
51 #define	LINUX32_SHAREDPAGE	(LINUX32_MAXUSER - PAGE_SIZE)
52 #define	LINUX32_USRSTACK	LINUX32_SHAREDPAGE
53 
54 /* XXX 16 = sizeof(linux32_ps_strings) */
55 #define	LINUX32_PS_STRINGS	(LINUX32_USRSTACK - 16)
56 #define	LINUX32_MAXDSIZ		(512 * 1024 * 1024)	/* 512MB */
57 #define	LINUX32_MAXSSIZ		(64 * 1024 * 1024)	/* 64MB */
58 #define	LINUX32_MAXVMEM		0			/* Unlimited */
59 
60 #define	PTRIN(v)	(void *)(uintptr_t)(v)
61 #define	PTROUT(v)	(l_uintptr_t)(uintptr_t)(v)
62 
63 /*
64  * Provide a separate set of types for the Linux types.
65  */
66 typedef int		l_int;
67 typedef int32_t		l_long;
68 typedef int64_t		l_longlong;
69 typedef short		l_short;
70 typedef unsigned int	l_uint;
71 typedef uint32_t	l_ulong;
72 typedef uint64_t	l_ulonglong;
73 typedef unsigned short	l_ushort;
74 
75 typedef l_ulong		l_uintptr_t;
76 typedef l_long		l_clock_t;
77 typedef l_int		l_daddr_t;
78 typedef l_ushort	l_dev_t;
79 typedef l_uint		l_gid_t;
80 typedef l_ushort	l_gid16_t;
81 typedef l_ulong		l_ino_t;
82 typedef l_int		l_key_t;
83 typedef l_longlong	l_loff_t;
84 typedef l_ushort	l_mode_t;
85 typedef l_long		l_off_t;
86 typedef l_int		l_pid_t;
87 typedef l_uint		l_size_t;
88 typedef l_long		l_suseconds_t;
89 typedef l_long		l_time_t;
90 typedef l_uint		l_uid_t;
91 typedef l_ushort	l_uid16_t;
92 typedef l_int		l_timer_t;
93 typedef l_int		l_mqd_t;
94 
95 typedef struct {
96 	l_int		val[2];
97 } __packed l_fsid_t;
98 
99 typedef struct {
100 	l_time_t	tv_sec;
101 	l_suseconds_t	tv_usec;
102 } l_timeval;
103 
104 #define	l_fd_set	fd_set
105 
106 /*
107  * Miscellaneous
108  */
109 #define	LINUX_NAME_MAX		255
110 #define	LINUX_MAX_UTSNAME	65
111 
112 #define	LINUX_CTL_MAXNAME	10
113 
114 #define	LINUX_AT_COUNT		16	/* Count of used aux entry types.
115 					 * Keep this synchronized with
116 					 * elf_linux_fixup() code.
117 					 */
118 struct l___sysctl_args
119 {
120 	l_uintptr_t	name;
121 	l_int		nlen;
122 	l_uintptr_t	oldval;
123 	l_uintptr_t	oldlenp;
124 	l_uintptr_t	newval;
125 	l_size_t	newlen;
126 	l_ulong		__spare[4];
127 } __packed;
128 
129 /* Scheduling policies */
130 #define	LINUX_SCHED_OTHER	0
131 #define	LINUX_SCHED_FIFO	1
132 #define	LINUX_SCHED_RR		2
133 
134 /* Resource limits */
135 #define	LINUX_RLIMIT_CPU	0
136 #define	LINUX_RLIMIT_FSIZE	1
137 #define	LINUX_RLIMIT_DATA	2
138 #define	LINUX_RLIMIT_STACK	3
139 #define	LINUX_RLIMIT_CORE	4
140 #define	LINUX_RLIMIT_RSS	5
141 #define	LINUX_RLIMIT_NPROC	6
142 #define	LINUX_RLIMIT_NOFILE	7
143 #define	LINUX_RLIMIT_MEMLOCK	8
144 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
145 
146 #define	LINUX_RLIM_NLIMITS	10
147 
148 struct l_rlimit {
149 	l_ulong rlim_cur;
150 	l_ulong rlim_max;
151 } __packed;
152 
153 struct l_rusage {
154 	l_timeval ru_utime;
155 	l_timeval ru_stime;
156 	l_long	ru_maxrss;
157 	l_long	ru_ixrss;
158 	l_long	ru_idrss;
159 	l_long	ru_isrss;
160 	l_long	ru_minflt;
161 	l_long	ru_majflt;
162 	l_long	ru_nswap;
163 	l_long	ru_inblock;
164 	l_long	ru_oublock;
165 	l_long	ru_msgsnd;
166 	l_long	ru_msgrcv;
167 	l_long	ru_nsignals;
168 	l_long	ru_nvcsw;
169 	l_long	ru_nivcsw;
170 } __packed;
171 
172 /* mmap options */
173 #define	LINUX_MAP_SHARED	0x0001
174 #define	LINUX_MAP_PRIVATE	0x0002
175 #define	LINUX_MAP_FIXED		0x0010
176 #define	LINUX_MAP_ANON		0x0020
177 #define	LINUX_MAP_GROWSDOWN	0x0100
178 
179 struct l_mmap_argv {
180 	l_uintptr_t	addr;
181 	l_size_t	len;
182 	l_int		prot;
183 	l_int		flags;
184 	l_int		fd;
185 	l_ulong		pgoff;
186 };
187 
188 /*
189  * stat family of syscalls
190  */
191 struct l_timespec {
192 	l_time_t	tv_sec;
193 	l_long		tv_nsec;
194 } __packed;
195 
196 struct l_newstat {
197 	l_ushort	st_dev;
198 	l_ushort	__pad1;
199 	l_ulong		st_ino;
200 	l_ushort	st_mode;
201 	l_ushort	st_nlink;
202 	l_ushort	st_uid;
203 	l_ushort	st_gid;
204 	l_ushort	st_rdev;
205 	l_ushort	__pad2;
206 	l_ulong		st_size;
207 	l_ulong		st_blksize;
208 	l_ulong		st_blocks;
209 	struct l_timespec	st_atim;
210 	struct l_timespec	st_mtim;
211 	struct l_timespec	st_ctim;
212 	l_ulong		__unused4;
213 	l_ulong		__unused5;
214 } __packed;
215 
216 struct l_stat {
217 	l_ushort	st_dev;
218 	l_ulong		st_ino;
219 	l_ushort	st_mode;
220 	l_ushort	st_nlink;
221 	l_ushort	st_uid;
222 	l_ushort	st_gid;
223 	l_ushort	st_rdev;
224 	l_long		st_size;
225 	struct l_timespec	st_atim;
226 	struct l_timespec	st_mtim;
227 	struct l_timespec	st_ctim;
228 	l_long		st_blksize;
229 	l_long		st_blocks;
230 	l_ulong		st_flags;
231 	l_ulong		st_gen;
232 };
233 
234 struct l_stat64 {
235 	l_ushort	st_dev;
236 	u_char		__pad0[10];
237 	l_ulong		__st_ino;
238 	l_uint		st_mode;
239 	l_uint		st_nlink;
240 	l_ulong		st_uid;
241 	l_ulong		st_gid;
242 	l_ushort	st_rdev;
243 	u_char		__pad3[10];
244 	l_longlong	st_size;
245 	l_ulong		st_blksize;
246 	l_ulong		st_blocks;
247 	l_ulong		__pad4;
248 	struct l_timespec	st_atim;
249 	struct l_timespec	st_mtim;
250 	struct l_timespec	st_ctim;
251 	l_ulonglong	st_ino;
252 } __packed;
253 
254 struct l_statfs64 {
255         l_int           f_type;
256         l_int           f_bsize;
257         uint64_t        f_blocks;
258         uint64_t        f_bfree;
259         uint64_t        f_bavail;
260         uint64_t        f_files;
261         uint64_t        f_ffree;
262         l_fsid_t        f_fsid;
263         l_int           f_namelen;
264         l_int           f_spare[6];
265 } __packed;
266 
267 struct l_new_utsname {
268 	char	sysname[LINUX_MAX_UTSNAME];
269 	char	nodename[LINUX_MAX_UTSNAME];
270 	char	release[LINUX_MAX_UTSNAME];
271 	char	version[LINUX_MAX_UTSNAME];
272 	char	machine[LINUX_MAX_UTSNAME];
273 	char	domainname[LINUX_MAX_UTSNAME];
274 } __packed;
275 
276 /*
277  * Signalling
278  */
279 #define	LINUX_SIGHUP		1
280 #define	LINUX_SIGINT		2
281 #define	LINUX_SIGQUIT		3
282 #define	LINUX_SIGILL		4
283 #define	LINUX_SIGTRAP		5
284 #define	LINUX_SIGABRT		6
285 #define	LINUX_SIGIOT		LINUX_SIGABRT
286 #define	LINUX_SIGBUS		7
287 #define	LINUX_SIGFPE		8
288 #define	LINUX_SIGKILL		9
289 #define	LINUX_SIGUSR1		10
290 #define	LINUX_SIGSEGV		11
291 #define	LINUX_SIGUSR2		12
292 #define	LINUX_SIGPIPE		13
293 #define	LINUX_SIGALRM		14
294 #define	LINUX_SIGTERM		15
295 #define	LINUX_SIGSTKFLT		16
296 #define	LINUX_SIGCHLD		17
297 #define	LINUX_SIGCONT		18
298 #define	LINUX_SIGSTOP		19
299 #define	LINUX_SIGTSTP		20
300 #define	LINUX_SIGTTIN		21
301 #define	LINUX_SIGTTOU		22
302 #define	LINUX_SIGURG		23
303 #define	LINUX_SIGXCPU		24
304 #define	LINUX_SIGXFSZ		25
305 #define	LINUX_SIGVTALRM		26
306 #define	LINUX_SIGPROF		27
307 #define	LINUX_SIGWINCH		28
308 #define	LINUX_SIGIO		29
309 #define	LINUX_SIGPOLL		LINUX_SIGIO
310 #define	LINUX_SIGPWR		30
311 #define	LINUX_SIGSYS		31
312 #define	LINUX_SIGRTMIN		32
313 
314 #define	LINUX_SIGTBLSZ		31
315 #define	LINUX_NSIG_WORDS	2
316 #define	LINUX_NBPW		32
317 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
318 
319 /* sigaction flags */
320 #define	LINUX_SA_NOCLDSTOP	0x00000001
321 #define	LINUX_SA_NOCLDWAIT	0x00000002
322 #define	LINUX_SA_SIGINFO	0x00000004
323 #define	LINUX_SA_RESTORER	0x04000000
324 #define	LINUX_SA_ONSTACK	0x08000000
325 #define	LINUX_SA_RESTART	0x10000000
326 #define	LINUX_SA_INTERRUPT	0x20000000
327 #define	LINUX_SA_NOMASK		0x40000000
328 #define	LINUX_SA_ONESHOT	0x80000000
329 
330 /* sigprocmask actions */
331 #define	LINUX_SIG_BLOCK		0
332 #define	LINUX_SIG_UNBLOCK	1
333 #define	LINUX_SIG_SETMASK	2
334 
335 /* sigset_t macros */
336 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
337 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
338 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
339 
340 /* sigaltstack */
341 #define	LINUX_MINSIGSTKSZ	2048
342 #define	LINUX_SS_ONSTACK	1
343 #define	LINUX_SS_DISABLE	2
344 
345 int linux_to_bsd_sigaltstack(int lsa);
346 int bsd_to_linux_sigaltstack(int bsa);
347 
348 typedef l_uintptr_t l_handler_t;
349 typedef l_ulong	l_osigset_t;
350 
351 typedef struct {
352 	l_uint	__bits[LINUX_NSIG_WORDS];
353 } __packed l_sigset_t;
354 
355 typedef struct {
356 	l_handler_t	lsa_handler;
357 	l_osigset_t	lsa_mask;
358 	l_ulong		lsa_flags;
359 	l_uintptr_t	lsa_restorer;
360 } __packed l_osigaction_t;
361 
362 typedef struct {
363 	l_handler_t	lsa_handler;
364 	l_ulong		lsa_flags;
365 	l_uintptr_t	lsa_restorer;
366 	l_sigset_t	lsa_mask;
367 } __packed l_sigaction_t;
368 
369 typedef struct {
370 	l_uintptr_t	ss_sp;
371 	l_int		ss_flags;
372 	l_size_t	ss_size;
373 } __packed l_stack_t;
374 
375 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
376 struct l_sigcontext {
377 	l_uint		sc_gs;
378 	l_uint		sc_fs;
379 	l_uint		sc_es;
380 	l_uint		sc_ds;
381 	l_uint		sc_edi;
382 	l_uint		sc_esi;
383 	l_uint		sc_ebp;
384 	l_uint		sc_esp;
385 	l_uint		sc_ebx;
386 	l_uint		sc_edx;
387 	l_uint		sc_ecx;
388 	l_uint		sc_eax;
389 	l_uint		sc_trapno;
390 	l_uint		sc_err;
391 	l_uint		sc_eip;
392 	l_uint		sc_cs;
393 	l_uint		sc_eflags;
394 	l_uint		sc_esp_at_signal;
395 	l_uint		sc_ss;
396 	l_uint		sc_387;
397 	l_uint		sc_mask;
398 	l_uint		sc_cr2;
399 } __packed;
400 
401 struct l_ucontext {
402 	l_ulong		uc_flags;
403 	l_uintptr_t	uc_link;
404 	l_stack_t	uc_stack;
405 	struct l_sigcontext	uc_mcontext;
406 	l_sigset_t	uc_sigmask;
407 } __packed;
408 
409 #define	LINUX_SI_MAX_SIZE	128
410 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
411 
412 typedef union l_sigval {
413 	l_int		sival_int;
414 	l_uintptr_t	sival_ptr;
415 } l_sigval_t;
416 
417 typedef struct l_siginfo {
418 	l_int		lsi_signo;
419 	l_int		lsi_errno;
420 	l_int		lsi_code;
421 	union {
422 		l_int	_pad[LINUX_SI_PAD_SIZE];
423 
424 		struct {
425 			l_pid_t		_pid;
426 			l_uid_t		_uid;
427 		} __packed _kill;
428 
429 		struct {
430 			l_timer_t	_tid;
431 			l_int		_overrun;
432 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
433 			l_sigval_t	_sigval;
434 			l_int		_sys_private;
435 		} __packed _timer;
436 
437 		struct {
438 			l_pid_t		_pid;		/* sender's pid */
439 			l_uid_t		_uid;		/* sender's uid */
440 			l_sigval_t	_sigval;
441 		} __packed _rt;
442 
443 		struct {
444 			l_pid_t		_pid;		/* which child */
445 			l_uid_t		_uid;		/* sender's uid */
446 			l_int		_status;	/* exit code */
447 			l_clock_t	_utime;
448 			l_clock_t	_stime;
449 		} __packed _sigchld;
450 
451 		struct {
452 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
453 		} __packed _sigfault;
454 
455 		struct {
456 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
457 			l_int		_fd;
458 		} __packed _sigpoll;
459 	} _sifields;
460 } __packed l_siginfo_t;
461 
462 #define	lsi_pid		_sifields._kill._pid
463 #define	lsi_uid		_sifields._kill._uid
464 #define	lsi_tid		_sifields._timer._tid
465 #define	lsi_overrun	_sifields._timer._overrun
466 #define	lsi_sys_private	_sifields._timer._sys_private
467 #define	lsi_status	_sifields._sigchld._status
468 #define	lsi_utime	_sifields._sigchld._utime
469 #define	lsi_stime	_sifields._sigchld._stime
470 #define	lsi_value	_sifields._rt._sigval
471 #define	lsi_int		_sifields._rt._sigval.sival_int
472 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
473 #define	lsi_addr	_sifields._sigfault._addr
474 #define	lsi_band	_sifields._sigpoll._band
475 #define	lsi_fd		_sifields._sigpoll._fd
476 
477 struct l_fpreg {
478 	u_int16_t	significand[4];
479 	u_int16_t	exponent;
480 } __packed;
481 
482 struct l_fpxreg {
483 	u_int16_t	significand[4];
484 	u_int16_t	exponent;
485 	u_int16_t	padding[3];
486 } __packed;
487 
488 struct l_xmmreg {
489 	u_int32_t	element[4];
490 } __packed;
491 
492 struct l_fpstate {
493 	/* Regular FPU environment */
494 	u_int32_t		cw;
495 	u_int32_t		sw;
496 	u_int32_t		tag;
497 	u_int32_t		ipoff;
498 	u_int32_t		cssel;
499 	u_int32_t		dataoff;
500 	u_int32_t		datasel;
501 	struct l_fpreg		_st[8];
502 	u_int16_t		status;
503 	u_int16_t		magic;		/* 0xffff = regular FPU data */
504 
505 	/* FXSR FPU environment */
506 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
507 	u_int32_t		mxcsr;
508 	u_int32_t		reserved;
509 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
510 	struct l_xmmreg		_xmm[8];
511 	u_int32_t		padding[56];
512 } __packed;
513 
514 /*
515  * We make the stack look like Linux expects it when calling a signal
516  * handler, but use the BSD way of calling the handler and sigreturn().
517  * This means that we need to pass the pointer to the handler too.
518  * It is appended to the frame to not interfere with the rest of it.
519  */
520 struct l_sigframe {
521 	l_int			sf_sig;
522 	struct l_sigcontext	sf_sc;
523 	struct l_fpstate	sf_fpstate;
524 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
525 	l_handler_t		sf_handler;
526 } __packed;
527 
528 struct l_rt_sigframe {
529 	l_int			sf_sig;
530 	l_uintptr_t 		sf_siginfo;
531 	l_uintptr_t		sf_ucontext;
532 	l_siginfo_t		sf_si;
533 	struct l_ucontext 	sf_sc;
534 	l_handler_t 		sf_handler;
535 } __packed;
536 
537 extern int bsd_to_linux_signal[];
538 extern int linux_to_bsd_signal[];
539 extern struct sysentvec elf_linux_sysvec;
540 
541 /*
542  * Pluggable ioctl handlers
543  */
544 struct linux_ioctl_args;
545 struct thread;
546 
547 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
548 
549 struct linux_ioctl_handler {
550 	linux_ioctl_function_t *func;
551 	int	low, high;
552 };
553 
554 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
555 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
556 
557 /*
558  * open/fcntl flags
559  */
560 #define	LINUX_O_RDONLY		00000000
561 #define	LINUX_O_WRONLY		00000001
562 #define	LINUX_O_RDWR		00000002
563 #define	LINUX_O_ACCMODE		00000003
564 #define	LINUX_O_CREAT		00000100
565 #define	LINUX_O_EXCL		00000200
566 #define	LINUX_O_NOCTTY		00000400
567 #define	LINUX_O_TRUNC		00001000
568 #define	LINUX_O_APPEND		00002000
569 #define	LINUX_O_NONBLOCK	00004000
570 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
571 #define	LINUX_O_SYNC		00010000
572 #define	LINUX_FASYNC		00020000
573 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
574 #define	LINUX_O_LARGEFILE	00100000
575 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
576 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
577 #define	LINUX_O_NOATIME		01000000
578 #define	LINUX_O_CLOEXEC		02000000
579 
580 #define	LINUX_F_DUPFD		0
581 #define	LINUX_F_GETFD		1
582 #define	LINUX_F_SETFD		2
583 #define	LINUX_F_GETFL		3
584 #define	LINUX_F_SETFL		4
585 #define	LINUX_F_GETLK		5
586 #define	LINUX_F_SETLK		6
587 #define	LINUX_F_SETLKW		7
588 #define	LINUX_F_SETOWN		8
589 #define	LINUX_F_GETOWN		9
590 
591 #define	LINUX_F_GETLK64		12
592 #define	LINUX_F_SETLK64		13
593 #define	LINUX_F_SETLKW64	14
594 
595 #define	LINUX_F_RDLCK		0
596 #define	LINUX_F_WRLCK		1
597 #define	LINUX_F_UNLCK		2
598 
599 /*
600  * mount flags
601  */
602 #define	LINUX_MS_RDONLY		0x0001
603 #define	LINUX_MS_NOSUID		0x0002
604 #define	LINUX_MS_NODEV		0x0004
605 #define	LINUX_MS_NOEXEC		0x0008
606 #define	LINUX_MS_REMOUNT	0x0020
607 
608 /*
609  * SystemV IPC defines
610  */
611 #define	LINUX_SEMOP		1
612 #define	LINUX_SEMGET		2
613 #define	LINUX_SEMCTL		3
614 #define	LINUX_MSGSND		11
615 #define	LINUX_MSGRCV		12
616 #define	LINUX_MSGGET		13
617 #define	LINUX_MSGCTL		14
618 #define	LINUX_SHMAT		21
619 #define	LINUX_SHMDT		22
620 #define	LINUX_SHMGET		23
621 #define	LINUX_SHMCTL		24
622 
623 #define	LINUX_IPC_RMID		0
624 #define	LINUX_IPC_SET		1
625 #define	LINUX_IPC_STAT		2
626 #define	LINUX_IPC_INFO		3
627 
628 #define	LINUX_SHM_LOCK		11
629 #define	LINUX_SHM_UNLOCK	12
630 #define	LINUX_SHM_STAT		13
631 #define	LINUX_SHM_INFO		14
632 
633 #define	LINUX_SHM_RDONLY	0x1000
634 #define	LINUX_SHM_RND		0x2000
635 #define	LINUX_SHM_REMAP		0x4000
636 
637 /* semctl commands */
638 #define	LINUX_GETPID		11
639 #define	LINUX_GETVAL		12
640 #define	LINUX_GETALL		13
641 #define	LINUX_GETNCNT		14
642 #define	LINUX_GETZCNT		15
643 #define	LINUX_SETVAL		16
644 #define	LINUX_SETALL		17
645 #define	LINUX_SEM_STAT		18
646 #define	LINUX_SEM_INFO		19
647 
648 union l_semun {
649 	l_int		val;
650 	l_uintptr_t	buf;
651 	l_uintptr_t	array;
652 	l_uintptr_t	__buf;
653 	l_uintptr_t	__pad;
654 } __packed;
655 
656 /*
657  * Socket defines
658  */
659 #define	LINUX_SOCKET 		1
660 #define	LINUX_BIND		2
661 #define	LINUX_CONNECT 		3
662 #define	LINUX_LISTEN 		4
663 #define	LINUX_ACCEPT 		5
664 #define	LINUX_GETSOCKNAME	6
665 #define	LINUX_GETPEERNAME	7
666 #define	LINUX_SOCKETPAIR	8
667 #define	LINUX_SEND		9
668 #define	LINUX_RECV		10
669 #define	LINUX_SENDTO 		11
670 #define	LINUX_RECVFROM 		12
671 #define	LINUX_SHUTDOWN 		13
672 #define	LINUX_SETSOCKOPT	14
673 #define	LINUX_GETSOCKOPT	15
674 #define	LINUX_SENDMSG		16
675 #define	LINUX_RECVMSG		17
676 #define	LINUX_ACCEPT4		18
677 
678 #define	LINUX_SOL_SOCKET	1
679 #define	LINUX_SOL_IP		0
680 #define	LINUX_SOL_IPX		256
681 #define	LINUX_SOL_AX25		257
682 #define	LINUX_SOL_TCP		6
683 #define	LINUX_SOL_UDP		17
684 
685 #define	LINUX_SO_DEBUG		1
686 #define	LINUX_SO_REUSEADDR	2
687 #define	LINUX_SO_TYPE		3
688 #define	LINUX_SO_ERROR		4
689 #define	LINUX_SO_DONTROUTE	5
690 #define	LINUX_SO_BROADCAST	6
691 #define	LINUX_SO_SNDBUF		7
692 #define	LINUX_SO_RCVBUF		8
693 #define	LINUX_SO_KEEPALIVE	9
694 #define	LINUX_SO_OOBINLINE	10
695 #define	LINUX_SO_NO_CHECK	11
696 #define	LINUX_SO_PRIORITY	12
697 #define	LINUX_SO_LINGER		13
698 #define	LINUX_SO_PEERCRED	17
699 #define	LINUX_SO_RCVLOWAT	18
700 #define	LINUX_SO_SNDLOWAT	19
701 #define	LINUX_SO_RCVTIMEO	20
702 #define	LINUX_SO_SNDTIMEO	21
703 #define	LINUX_SO_TIMESTAMP	29
704 #define	LINUX_SO_ACCEPTCONN	30
705 
706 #define	LINUX_IP_TOS		1
707 #define	LINUX_IP_TTL		2
708 #define	LINUX_IP_HDRINCL	3
709 #define	LINUX_IP_OPTIONS	4
710 
711 #define	LINUX_IP_MULTICAST_IF		32
712 #define	LINUX_IP_MULTICAST_TTL		33
713 #define	LINUX_IP_MULTICAST_LOOP		34
714 #define	LINUX_IP_ADD_MEMBERSHIP		35
715 #define	LINUX_IP_DROP_MEMBERSHIP	36
716 
717 struct l_sockaddr {
718 	l_ushort	sa_family;
719 	char		sa_data[14];
720 } __packed;
721 
722 struct l_msghdr {
723 	l_uintptr_t	msg_name;
724 	l_int		msg_namelen;
725 	l_uintptr_t	msg_iov;
726 	l_size_t	msg_iovlen;
727 	l_uintptr_t	msg_control;
728 	l_size_t	msg_controllen;
729 	l_uint		msg_flags;
730 };
731 
732 struct l_cmsghdr {
733 	l_size_t	cmsg_len;
734 	l_int		cmsg_level;
735 	l_int		cmsg_type;
736 };
737 
738 struct l_ifmap {
739 	l_ulong		mem_start;
740 	l_ulong		mem_end;
741 	l_ushort	base_addr;
742 	u_char		irq;
743 	u_char		dma;
744 	u_char		port;
745 } __packed;
746 
747 #define	LINUX_IFHWADDRLEN	6
748 #define	LINUX_IFNAMSIZ		16
749 
750 struct l_ifreq {
751 	union {
752 		char	ifrn_name[LINUX_IFNAMSIZ];
753 	} ifr_ifrn;
754 
755 	union {
756 		struct l_sockaddr	ifru_addr;
757 		struct l_sockaddr	ifru_dstaddr;
758 		struct l_sockaddr	ifru_broadaddr;
759 		struct l_sockaddr	ifru_netmask;
760 		struct l_sockaddr	ifru_hwaddr;
761 		l_short		ifru_flags[1];
762 		l_int		ifru_metric;
763 		l_int		ifru_mtu;
764 		struct l_ifmap	ifru_map;
765 		char		ifru_slave[LINUX_IFNAMSIZ];
766 		l_uintptr_t	ifru_data;
767 	} ifr_ifru;
768 } __packed;
769 
770 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
771 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
772 
773 struct l_ifconf {
774 	int	ifc_len;
775 	union {
776 		l_uintptr_t	ifcu_buf;
777 		l_uintptr_t	ifcu_req;
778 	} ifc_ifcu;
779 } __packed;
780 
781 #define	ifc_buf		ifc_ifcu.ifcu_buf
782 #define	ifc_req		ifc_ifcu.ifcu_req
783 
784 /*
785  * poll()
786  */
787 #define	LINUX_POLLIN		0x0001
788 #define	LINUX_POLLPRI		0x0002
789 #define	LINUX_POLLOUT		0x0004
790 #define	LINUX_POLLERR		0x0008
791 #define	LINUX_POLLHUP		0x0010
792 #define	LINUX_POLLNVAL		0x0020
793 #define	LINUX_POLLRDNORM	0x0040
794 #define	LINUX_POLLRDBAND	0x0080
795 #define	LINUX_POLLWRNORM	0x0100
796 #define	LINUX_POLLWRBAND	0x0200
797 #define	LINUX_POLLMSG		0x0400
798 
799 struct l_pollfd {
800 	l_int		fd;
801 	l_short		events;
802 	l_short		revents;
803 } __packed;
804 
805 struct l_user_desc {
806 	l_uint		entry_number;
807 	l_uint		base_addr;
808 	l_uint		limit;
809 	l_uint		seg_32bit:1;
810 	l_uint		contents:2;
811 	l_uint		read_exec_only:1;
812 	l_uint		limit_in_pages:1;
813 	l_uint		seg_not_present:1;
814 	l_uint		useable:1;
815 };
816 
817 #define	LINUX_LOWERWORD	0x0000ffff
818 
819 /*
820  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
821  * These convert Linux user space descriptor to machine one.
822  */
823 #define	LINUX_LDT_entry_a(info)					\
824 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
825 	((info)->limit & LINUX_LOWERWORD))
826 
827 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
828 #define	LINUX_ENTRY_B_CONTENTS		10
829 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
830 #define	LINUX_ENTRY_B_BASE_ADDR		16
831 #define	LINUX_ENTRY_B_USEABLE		20
832 #define	LINUX_ENTRY_B_SEG32BIT		22
833 #define	LINUX_ENTRY_B_LIMIT		23
834 
835 #define	LINUX_LDT_entry_b(info)							\
836 	(((info)->base_addr & 0xff000000) |					\
837 	((info)->limit & 0xf0000) |						\
838 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
839 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
840 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
841 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
842 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
843 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
844 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
845 
846 #define	LINUX_LDT_empty(info)		\
847 	((info)->base_addr == 0 &&	\
848 	(info)->limit == 0 &&		\
849 	(info)->contents == 0 &&	\
850 	(info)->seg_not_present == 1 &&	\
851 	(info)->read_exec_only == 1 &&	\
852 	(info)->seg_32bit == 0 &&	\
853 	(info)->limit_in_pages == 0 &&	\
854 	(info)->useable == 0)
855 
856 /*
857  * Macros for converting segments.
858  * They do the same as those in arch/i386/kernel/process.c in Linux.
859  */
860 #define	LINUX_GET_BASE(desc)				\
861 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
862 	(((desc)->b << 16) & 0x00ff0000) |		\
863 	((desc)->b & 0xff000000))
864 
865 #define	LINUX_GET_LIMIT(desc)			\
866 	(((desc)->a & LINUX_LOWERWORD) |	\
867 	((desc)->b & 0xf0000))
868 
869 #define	LINUX_GET_32BIT(desc)		\
870 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
871 #define	LINUX_GET_CONTENTS(desc)	\
872 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
873 #define	LINUX_GET_WRITABLE(desc)	\
874 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
875 #define	LINUX_GET_LIMIT_PAGES(desc)	\
876 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
877 #define	LINUX_GET_PRESENT(desc)		\
878 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
879 #define	LINUX_GET_USEABLE(desc)		\
880 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
881 
882 #define	LINUX_CLOCK_REALTIME		0
883 #define	LINUX_CLOCK_MONOTONIC		1
884 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
885 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
886 #define	LINUX_CLOCK_REALTIME_HR		4
887 #define	LINUX_CLOCK_MONOTONIC_HR	5
888 
889 #define	LINUX_CLONE_VM			0x00000100
890 #define	LINUX_CLONE_FS			0x00000200
891 #define	LINUX_CLONE_FILES		0x00000400
892 #define	LINUX_CLONE_SIGHAND		0x00000800
893 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
894 #define	LINUX_CLONE_VFORK		0x00004000
895 #define	LINUX_CLONE_PARENT		0x00008000
896 #define	LINUX_CLONE_THREAD		0x00010000
897 #define	LINUX_CLONE_SETTLS		0x00080000
898 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
899 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
900 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
901 
902 #define	LINUX_THREADING_FLAGS					\
903 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
904 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
905 
906 struct iovec;
907 
908 struct l_iovec32 {
909 	uint32_t	iov_base;
910 	l_size_t	iov_len;
911 };
912 
913 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
914 			    struct iovec **iovp, int error);
915 
916 /* robust futexes */
917 struct linux_robust_list {
918 	l_uintptr_t			next;
919 };
920 
921 struct linux_robust_list_head {
922 	struct linux_robust_list	list;
923 	l_long				futex_offset;
924 	l_uintptr_t			pending_list;
925 };
926 
927 int linux_set_upcall_kse(struct thread *td, register_t stack);
928 int linux_set_cloned_tls(struct thread *td, void *desc);
929 
930 #endif /* !_AMD64_LINUX_H_ */
931