xref: /freebsd/sys/amd64/linux32/linux.h (revision a10cee30c94cf5944826d2a495e9cdf339dfbcc8)
1 /*-
2  * Copyright (c) 2004 Tim J. Robbins
3  * Copyright (c) 2001 Doug Rabson
4  * Copyright (c) 1994-1996 Søren 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 #define	LINUX_DTRACE	linuxulator32
46 
47 #ifdef MALLOC_DECLARE
48 MALLOC_DECLARE(M_LINUX);
49 #endif
50 
51 #define	LINUX32_MAXUSER		((1ul << 32) - PAGE_SIZE)
52 #define	LINUX32_SHAREDPAGE	(LINUX32_MAXUSER - PAGE_SIZE)
53 #define	LINUX32_USRSTACK	LINUX32_SHAREDPAGE
54 
55 /* XXX 16 = sizeof(linux32_ps_strings) */
56 #define	LINUX32_PS_STRINGS	(LINUX32_USRSTACK - 16)
57 #define	LINUX32_MAXDSIZ		(512 * 1024 * 1024)	/* 512MB */
58 #define	LINUX32_MAXSSIZ		(64 * 1024 * 1024)	/* 64MB */
59 #define	LINUX32_MAXVMEM		0			/* Unlimited */
60 
61 #define	PTRIN(v)	(void *)(uintptr_t)(v)
62 #define	PTROUT(v)	(l_uintptr_t)(uintptr_t)(v)
63 
64 /*
65  * Provide a separate set of types for the Linux types.
66  */
67 typedef int		l_int;
68 typedef int32_t		l_long;
69 typedef int64_t		l_longlong;
70 typedef short		l_short;
71 typedef unsigned int	l_uint;
72 typedef uint32_t	l_ulong;
73 typedef uint64_t	l_ulonglong;
74 typedef unsigned short	l_ushort;
75 
76 typedef l_ulong		l_uintptr_t;
77 typedef l_long		l_clock_t;
78 typedef l_int		l_daddr_t;
79 typedef l_ushort	l_dev_t;
80 typedef l_uint		l_gid_t;
81 typedef l_ushort	l_gid16_t;
82 typedef l_ulong		l_ino_t;
83 typedef l_int		l_key_t;
84 typedef l_longlong	l_loff_t;
85 typedef l_ushort	l_mode_t;
86 typedef l_long		l_off_t;
87 typedef l_int		l_pid_t;
88 typedef l_uint		l_size_t;
89 typedef l_long		l_suseconds_t;
90 typedef l_long		l_time_t;
91 typedef l_uint		l_uid_t;
92 typedef l_ushort	l_uid16_t;
93 typedef l_int		l_timer_t;
94 typedef l_int		l_mqd_t;
95 
96 typedef struct {
97 	l_int		val[2];
98 } __packed l_fsid_t;
99 
100 typedef struct {
101 	l_time_t	tv_sec;
102 	l_suseconds_t	tv_usec;
103 } l_timeval;
104 
105 #define	l_fd_set	fd_set
106 
107 /*
108  * Miscellaneous
109  */
110 #define	LINUX_NAME_MAX		255
111 #define	LINUX_MAX_UTSNAME	65
112 
113 #define	LINUX_CTL_MAXNAME	10
114 
115 #define	LINUX_AT_COUNT		16	/* Count of used aux entry types.
116 					 * Keep this synchronized with
117 					 * elf_linux_fixup() code.
118 					 */
119 struct l___sysctl_args
120 {
121 	l_uintptr_t	name;
122 	l_int		nlen;
123 	l_uintptr_t	oldval;
124 	l_uintptr_t	oldlenp;
125 	l_uintptr_t	newval;
126 	l_size_t	newlen;
127 	l_ulong		__spare[4];
128 } __packed;
129 
130 /* Scheduling policies */
131 #define	LINUX_SCHED_OTHER	0
132 #define	LINUX_SCHED_FIFO	1
133 #define	LINUX_SCHED_RR		2
134 
135 /* Resource limits */
136 #define	LINUX_RLIMIT_CPU	0
137 #define	LINUX_RLIMIT_FSIZE	1
138 #define	LINUX_RLIMIT_DATA	2
139 #define	LINUX_RLIMIT_STACK	3
140 #define	LINUX_RLIMIT_CORE	4
141 #define	LINUX_RLIMIT_RSS	5
142 #define	LINUX_RLIMIT_NPROC	6
143 #define	LINUX_RLIMIT_NOFILE	7
144 #define	LINUX_RLIMIT_MEMLOCK	8
145 #define	LINUX_RLIMIT_AS		9	/* Address space limit */
146 
147 #define	LINUX_RLIM_NLIMITS	10
148 
149 struct l_rlimit {
150 	l_ulong rlim_cur;
151 	l_ulong rlim_max;
152 } __packed;
153 
154 struct l_rusage {
155 	l_timeval ru_utime;
156 	l_timeval ru_stime;
157 	l_long	ru_maxrss;
158 	l_long	ru_ixrss;
159 	l_long	ru_idrss;
160 	l_long	ru_isrss;
161 	l_long	ru_minflt;
162 	l_long	ru_majflt;
163 	l_long	ru_nswap;
164 	l_long	ru_inblock;
165 	l_long	ru_oublock;
166 	l_long	ru_msgsnd;
167 	l_long	ru_msgrcv;
168 	l_long	ru_nsignals;
169 	l_long	ru_nvcsw;
170 	l_long	ru_nivcsw;
171 } __packed;
172 
173 /* mmap options */
174 #define	LINUX_MAP_SHARED	0x0001
175 #define	LINUX_MAP_PRIVATE	0x0002
176 #define	LINUX_MAP_FIXED		0x0010
177 #define	LINUX_MAP_ANON		0x0020
178 #define	LINUX_MAP_GROWSDOWN	0x0100
179 
180 struct l_mmap_argv {
181 	l_uintptr_t	addr;
182 	l_size_t	len;
183 	l_int		prot;
184 	l_int		flags;
185 	l_int		fd;
186 	l_ulong		pgoff;
187 };
188 
189 /*
190  * stat family of syscalls
191  */
192 struct l_timespec {
193 	l_time_t	tv_sec;
194 	l_long		tv_nsec;
195 } __packed;
196 
197 struct l_newstat {
198 	l_ushort	st_dev;
199 	l_ushort	__pad1;
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_ushort	__pad2;
207 	l_ulong		st_size;
208 	l_ulong		st_blksize;
209 	l_ulong		st_blocks;
210 	struct l_timespec	st_atim;
211 	struct l_timespec	st_mtim;
212 	struct l_timespec	st_ctim;
213 	l_ulong		__unused4;
214 	l_ulong		__unused5;
215 } __packed;
216 
217 struct l_stat {
218 	l_ushort	st_dev;
219 	l_ulong		st_ino;
220 	l_ushort	st_mode;
221 	l_ushort	st_nlink;
222 	l_ushort	st_uid;
223 	l_ushort	st_gid;
224 	l_ushort	st_rdev;
225 	l_long		st_size;
226 	struct l_timespec	st_atim;
227 	struct l_timespec	st_mtim;
228 	struct l_timespec	st_ctim;
229 	l_long		st_blksize;
230 	l_long		st_blocks;
231 	l_ulong		st_flags;
232 	l_ulong		st_gen;
233 };
234 
235 struct l_stat64 {
236 	l_ushort	st_dev;
237 	u_char		__pad0[10];
238 	l_ulong		__st_ino;
239 	l_uint		st_mode;
240 	l_uint		st_nlink;
241 	l_ulong		st_uid;
242 	l_ulong		st_gid;
243 	l_ushort	st_rdev;
244 	u_char		__pad3[10];
245 	l_longlong	st_size;
246 	l_ulong		st_blksize;
247 	l_ulong		st_blocks;
248 	l_ulong		__pad4;
249 	struct l_timespec	st_atim;
250 	struct l_timespec	st_mtim;
251 	struct l_timespec	st_ctim;
252 	l_ulonglong	st_ino;
253 } __packed;
254 
255 struct l_statfs64 {
256         l_int           f_type;
257         l_int           f_bsize;
258         uint64_t        f_blocks;
259         uint64_t        f_bfree;
260         uint64_t        f_bavail;
261         uint64_t        f_files;
262         uint64_t        f_ffree;
263         l_fsid_t        f_fsid;
264         l_int           f_namelen;
265         l_int           f_spare[6];
266 } __packed;
267 
268 struct l_new_utsname {
269 	char	sysname[LINUX_MAX_UTSNAME];
270 	char	nodename[LINUX_MAX_UTSNAME];
271 	char	release[LINUX_MAX_UTSNAME];
272 	char	version[LINUX_MAX_UTSNAME];
273 	char	machine[LINUX_MAX_UTSNAME];
274 	char	domainname[LINUX_MAX_UTSNAME];
275 } __packed;
276 
277 /*
278  * Signalling
279  */
280 #define	LINUX_SIGHUP		1
281 #define	LINUX_SIGINT		2
282 #define	LINUX_SIGQUIT		3
283 #define	LINUX_SIGILL		4
284 #define	LINUX_SIGTRAP		5
285 #define	LINUX_SIGABRT		6
286 #define	LINUX_SIGIOT		LINUX_SIGABRT
287 #define	LINUX_SIGBUS		7
288 #define	LINUX_SIGFPE		8
289 #define	LINUX_SIGKILL		9
290 #define	LINUX_SIGUSR1		10
291 #define	LINUX_SIGSEGV		11
292 #define	LINUX_SIGUSR2		12
293 #define	LINUX_SIGPIPE		13
294 #define	LINUX_SIGALRM		14
295 #define	LINUX_SIGTERM		15
296 #define	LINUX_SIGSTKFLT		16
297 #define	LINUX_SIGCHLD		17
298 #define	LINUX_SIGCONT		18
299 #define	LINUX_SIGSTOP		19
300 #define	LINUX_SIGTSTP		20
301 #define	LINUX_SIGTTIN		21
302 #define	LINUX_SIGTTOU		22
303 #define	LINUX_SIGURG		23
304 #define	LINUX_SIGXCPU		24
305 #define	LINUX_SIGXFSZ		25
306 #define	LINUX_SIGVTALRM		26
307 #define	LINUX_SIGPROF		27
308 #define	LINUX_SIGWINCH		28
309 #define	LINUX_SIGIO		29
310 #define	LINUX_SIGPOLL		LINUX_SIGIO
311 #define	LINUX_SIGPWR		30
312 #define	LINUX_SIGSYS		31
313 #define	LINUX_SIGRTMIN		32
314 
315 #define	LINUX_SIGTBLSZ		31
316 #define	LINUX_NSIG_WORDS	2
317 #define	LINUX_NBPW		32
318 #define	LINUX_NSIG		(LINUX_NBPW * LINUX_NSIG_WORDS)
319 
320 /* sigaction flags */
321 #define	LINUX_SA_NOCLDSTOP	0x00000001
322 #define	LINUX_SA_NOCLDWAIT	0x00000002
323 #define	LINUX_SA_SIGINFO	0x00000004
324 #define	LINUX_SA_RESTORER	0x04000000
325 #define	LINUX_SA_ONSTACK	0x08000000
326 #define	LINUX_SA_RESTART	0x10000000
327 #define	LINUX_SA_INTERRUPT	0x20000000
328 #define	LINUX_SA_NOMASK		0x40000000
329 #define	LINUX_SA_ONESHOT	0x80000000
330 
331 /* sigprocmask actions */
332 #define	LINUX_SIG_BLOCK		0
333 #define	LINUX_SIG_UNBLOCK	1
334 #define	LINUX_SIG_SETMASK	2
335 
336 /* sigset_t macros */
337 #define	LINUX_SIGEMPTYSET(set)		(set).__bits[0] = (set).__bits[1] = 0
338 #define	LINUX_SIGISMEMBER(set, sig)	SIGISMEMBER(set, sig)
339 #define	LINUX_SIGADDSET(set, sig)	SIGADDSET(set, sig)
340 
341 /* sigaltstack */
342 #define	LINUX_MINSIGSTKSZ	2048
343 #define	LINUX_SS_ONSTACK	1
344 #define	LINUX_SS_DISABLE	2
345 
346 int linux_to_bsd_sigaltstack(int lsa);
347 int bsd_to_linux_sigaltstack(int bsa);
348 
349 typedef l_uintptr_t l_handler_t;
350 typedef l_ulong	l_osigset_t;
351 
352 typedef struct {
353 	l_uint	__bits[LINUX_NSIG_WORDS];
354 } __packed l_sigset_t;
355 
356 typedef struct {
357 	l_handler_t	lsa_handler;
358 	l_osigset_t	lsa_mask;
359 	l_ulong		lsa_flags;
360 	l_uintptr_t	lsa_restorer;
361 } __packed l_osigaction_t;
362 
363 typedef struct {
364 	l_handler_t	lsa_handler;
365 	l_ulong		lsa_flags;
366 	l_uintptr_t	lsa_restorer;
367 	l_sigset_t	lsa_mask;
368 } __packed l_sigaction_t;
369 
370 typedef struct {
371 	l_uintptr_t	ss_sp;
372 	l_int		ss_flags;
373 	l_size_t	ss_size;
374 } __packed l_stack_t;
375 
376 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
377 struct l_sigcontext {
378 	l_uint		sc_gs;
379 	l_uint		sc_fs;
380 	l_uint		sc_es;
381 	l_uint		sc_ds;
382 	l_uint		sc_edi;
383 	l_uint		sc_esi;
384 	l_uint		sc_ebp;
385 	l_uint		sc_esp;
386 	l_uint		sc_ebx;
387 	l_uint		sc_edx;
388 	l_uint		sc_ecx;
389 	l_uint		sc_eax;
390 	l_uint		sc_trapno;
391 	l_uint		sc_err;
392 	l_uint		sc_eip;
393 	l_uint		sc_cs;
394 	l_uint		sc_eflags;
395 	l_uint		sc_esp_at_signal;
396 	l_uint		sc_ss;
397 	l_uint		sc_387;
398 	l_uint		sc_mask;
399 	l_uint		sc_cr2;
400 } __packed;
401 
402 struct l_ucontext {
403 	l_ulong		uc_flags;
404 	l_uintptr_t	uc_link;
405 	l_stack_t	uc_stack;
406 	struct l_sigcontext	uc_mcontext;
407 	l_sigset_t	uc_sigmask;
408 } __packed;
409 
410 #define	LINUX_SI_MAX_SIZE	128
411 #define	LINUX_SI_PAD_SIZE	((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
412 
413 typedef union l_sigval {
414 	l_int		sival_int;
415 	l_uintptr_t	sival_ptr;
416 } l_sigval_t;
417 
418 typedef struct l_siginfo {
419 	l_int		lsi_signo;
420 	l_int		lsi_errno;
421 	l_int		lsi_code;
422 	union {
423 		l_int	_pad[LINUX_SI_PAD_SIZE];
424 
425 		struct {
426 			l_pid_t		_pid;
427 			l_uid_t		_uid;
428 		} __packed _kill;
429 
430 		struct {
431 			l_timer_t	_tid;
432 			l_int		_overrun;
433 			char		_pad[sizeof(l_uid_t) - sizeof(l_int)];
434 			l_sigval_t	_sigval;
435 			l_int		_sys_private;
436 		} __packed _timer;
437 
438 		struct {
439 			l_pid_t		_pid;		/* sender's pid */
440 			l_uid_t		_uid;		/* sender's uid */
441 			l_sigval_t	_sigval;
442 		} __packed _rt;
443 
444 		struct {
445 			l_pid_t		_pid;		/* which child */
446 			l_uid_t		_uid;		/* sender's uid */
447 			l_int		_status;	/* exit code */
448 			l_clock_t	_utime;
449 			l_clock_t	_stime;
450 		} __packed _sigchld;
451 
452 		struct {
453 			l_uintptr_t	_addr;	/* Faulting insn/memory ref. */
454 		} __packed _sigfault;
455 
456 		struct {
457 			l_long		_band;	/* POLL_IN,POLL_OUT,POLL_MSG */
458 			l_int		_fd;
459 		} __packed _sigpoll;
460 	} _sifields;
461 } __packed l_siginfo_t;
462 
463 #define	lsi_pid		_sifields._kill._pid
464 #define	lsi_uid		_sifields._kill._uid
465 #define	lsi_tid		_sifields._timer._tid
466 #define	lsi_overrun	_sifields._timer._overrun
467 #define	lsi_sys_private	_sifields._timer._sys_private
468 #define	lsi_status	_sifields._sigchld._status
469 #define	lsi_utime	_sifields._sigchld._utime
470 #define	lsi_stime	_sifields._sigchld._stime
471 #define	lsi_value	_sifields._rt._sigval
472 #define	lsi_int		_sifields._rt._sigval.sival_int
473 #define	lsi_ptr		_sifields._rt._sigval.sival_ptr
474 #define	lsi_addr	_sifields._sigfault._addr
475 #define	lsi_band	_sifields._sigpoll._band
476 #define	lsi_fd		_sifields._sigpoll._fd
477 
478 struct l_fpreg {
479 	u_int16_t	significand[4];
480 	u_int16_t	exponent;
481 } __packed;
482 
483 struct l_fpxreg {
484 	u_int16_t	significand[4];
485 	u_int16_t	exponent;
486 	u_int16_t	padding[3];
487 } __packed;
488 
489 struct l_xmmreg {
490 	u_int32_t	element[4];
491 } __packed;
492 
493 struct l_fpstate {
494 	/* Regular FPU environment */
495 	u_int32_t		cw;
496 	u_int32_t		sw;
497 	u_int32_t		tag;
498 	u_int32_t		ipoff;
499 	u_int32_t		cssel;
500 	u_int32_t		dataoff;
501 	u_int32_t		datasel;
502 	struct l_fpreg		_st[8];
503 	u_int16_t		status;
504 	u_int16_t		magic;		/* 0xffff = regular FPU data */
505 
506 	/* FXSR FPU environment */
507 	u_int32_t		_fxsr_env[6];	/* env is ignored. */
508 	u_int32_t		mxcsr;
509 	u_int32_t		reserved;
510 	struct l_fpxreg		_fxsr_st[8];	/* reg data is ignored. */
511 	struct l_xmmreg		_xmm[8];
512 	u_int32_t		padding[56];
513 } __packed;
514 
515 /*
516  * We make the stack look like Linux expects it when calling a signal
517  * handler, but use the BSD way of calling the handler and sigreturn().
518  * This means that we need to pass the pointer to the handler too.
519  * It is appended to the frame to not interfere with the rest of it.
520  */
521 struct l_sigframe {
522 	l_int			sf_sig;
523 	struct l_sigcontext	sf_sc;
524 	struct l_fpstate	sf_fpstate;
525 	l_uint			sf_extramask[LINUX_NSIG_WORDS-1];
526 	l_handler_t		sf_handler;
527 } __packed;
528 
529 struct l_rt_sigframe {
530 	l_int			sf_sig;
531 	l_uintptr_t 		sf_siginfo;
532 	l_uintptr_t		sf_ucontext;
533 	l_siginfo_t		sf_si;
534 	struct l_ucontext 	sf_sc;
535 	l_handler_t 		sf_handler;
536 } __packed;
537 
538 extern int bsd_to_linux_signal[];
539 extern int linux_to_bsd_signal[];
540 extern struct sysentvec elf_linux_sysvec;
541 
542 /*
543  * Pluggable ioctl handlers
544  */
545 struct linux_ioctl_args;
546 struct thread;
547 
548 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
549 
550 struct linux_ioctl_handler {
551 	linux_ioctl_function_t *func;
552 	int	low, high;
553 };
554 
555 int	linux_ioctl_register_handler(struct linux_ioctl_handler *h);
556 int	linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
557 
558 /*
559  * open/fcntl flags
560  */
561 #define	LINUX_O_RDONLY		00000000
562 #define	LINUX_O_WRONLY		00000001
563 #define	LINUX_O_RDWR		00000002
564 #define	LINUX_O_ACCMODE		00000003
565 #define	LINUX_O_CREAT		00000100
566 #define	LINUX_O_EXCL		00000200
567 #define	LINUX_O_NOCTTY		00000400
568 #define	LINUX_O_TRUNC		00001000
569 #define	LINUX_O_APPEND		00002000
570 #define	LINUX_O_NONBLOCK	00004000
571 #define	LINUX_O_NDELAY		LINUX_O_NONBLOCK
572 #define	LINUX_O_SYNC		00010000
573 #define	LINUX_FASYNC		00020000
574 #define	LINUX_O_DIRECT		00040000	/* Direct disk access hint */
575 #define	LINUX_O_LARGEFILE	00100000
576 #define	LINUX_O_DIRECTORY	00200000	/* Must be a directory */
577 #define	LINUX_O_NOFOLLOW	00400000	/* Do not follow links */
578 #define	LINUX_O_NOATIME		01000000
579 #define	LINUX_O_CLOEXEC		02000000
580 
581 #define	LINUX_F_DUPFD		0
582 #define	LINUX_F_GETFD		1
583 #define	LINUX_F_SETFD		2
584 #define	LINUX_F_GETFL		3
585 #define	LINUX_F_SETFL		4
586 #define	LINUX_F_GETLK		5
587 #define	LINUX_F_SETLK		6
588 #define	LINUX_F_SETLKW		7
589 #define	LINUX_F_SETOWN		8
590 #define	LINUX_F_GETOWN		9
591 
592 #define	LINUX_F_GETLK64		12
593 #define	LINUX_F_SETLK64		13
594 #define	LINUX_F_SETLKW64	14
595 
596 #define	LINUX_F_RDLCK		0
597 #define	LINUX_F_WRLCK		1
598 #define	LINUX_F_UNLCK		2
599 
600 /*
601  * posix_fadvise advice
602  */
603 #define	LINUX_POSIX_FADV_NORMAL		0
604 #define	LINUX_POSIX_FADV_RANDOM		1
605 #define	LINUX_POSIX_FADV_SEQUENTIAL    	2
606 #define	LINUX_POSIX_FADV_WILLNEED      	3
607 #define	LINUX_POSIX_FADV_DONTNEED      	4
608 #define	LINUX_POSIX_FADV_NOREUSE       	5
609 
610 /*
611  * mount flags
612  */
613 #define	LINUX_MS_RDONLY		0x0001
614 #define	LINUX_MS_NOSUID		0x0002
615 #define	LINUX_MS_NODEV		0x0004
616 #define	LINUX_MS_NOEXEC		0x0008
617 #define	LINUX_MS_REMOUNT	0x0020
618 
619 /*
620  * SystemV IPC defines
621  */
622 #define	LINUX_SEMOP		1
623 #define	LINUX_SEMGET		2
624 #define	LINUX_SEMCTL		3
625 #define	LINUX_MSGSND		11
626 #define	LINUX_MSGRCV		12
627 #define	LINUX_MSGGET		13
628 #define	LINUX_MSGCTL		14
629 #define	LINUX_SHMAT		21
630 #define	LINUX_SHMDT		22
631 #define	LINUX_SHMGET		23
632 #define	LINUX_SHMCTL		24
633 
634 #define	LINUX_IPC_RMID		0
635 #define	LINUX_IPC_SET		1
636 #define	LINUX_IPC_STAT		2
637 #define	LINUX_IPC_INFO		3
638 
639 #define	LINUX_SHM_LOCK		11
640 #define	LINUX_SHM_UNLOCK	12
641 #define	LINUX_SHM_STAT		13
642 #define	LINUX_SHM_INFO		14
643 
644 #define	LINUX_SHM_RDONLY	0x1000
645 #define	LINUX_SHM_RND		0x2000
646 #define	LINUX_SHM_REMAP		0x4000
647 
648 /* semctl commands */
649 #define	LINUX_GETPID		11
650 #define	LINUX_GETVAL		12
651 #define	LINUX_GETALL		13
652 #define	LINUX_GETNCNT		14
653 #define	LINUX_GETZCNT		15
654 #define	LINUX_SETVAL		16
655 #define	LINUX_SETALL		17
656 #define	LINUX_SEM_STAT		18
657 #define	LINUX_SEM_INFO		19
658 
659 union l_semun {
660 	l_int		val;
661 	l_uintptr_t	buf;
662 	l_uintptr_t	array;
663 	l_uintptr_t	__buf;
664 	l_uintptr_t	__pad;
665 } __packed;
666 
667 /*
668  * Socket defines
669  */
670 #define	LINUX_SOCKET 		1
671 #define	LINUX_BIND		2
672 #define	LINUX_CONNECT 		3
673 #define	LINUX_LISTEN 		4
674 #define	LINUX_ACCEPT 		5
675 #define	LINUX_GETSOCKNAME	6
676 #define	LINUX_GETPEERNAME	7
677 #define	LINUX_SOCKETPAIR	8
678 #define	LINUX_SEND		9
679 #define	LINUX_RECV		10
680 #define	LINUX_SENDTO 		11
681 #define	LINUX_RECVFROM 		12
682 #define	LINUX_SHUTDOWN 		13
683 #define	LINUX_SETSOCKOPT	14
684 #define	LINUX_GETSOCKOPT	15
685 #define	LINUX_SENDMSG		16
686 #define	LINUX_RECVMSG		17
687 #define	LINUX_ACCEPT4		18
688 
689 #define	LINUX_SOL_SOCKET	1
690 #define	LINUX_SOL_IP		0
691 #define	LINUX_SOL_IPX		256
692 #define	LINUX_SOL_AX25		257
693 #define	LINUX_SOL_TCP		6
694 #define	LINUX_SOL_UDP		17
695 
696 #define	LINUX_SO_DEBUG		1
697 #define	LINUX_SO_REUSEADDR	2
698 #define	LINUX_SO_TYPE		3
699 #define	LINUX_SO_ERROR		4
700 #define	LINUX_SO_DONTROUTE	5
701 #define	LINUX_SO_BROADCAST	6
702 #define	LINUX_SO_SNDBUF		7
703 #define	LINUX_SO_RCVBUF		8
704 #define	LINUX_SO_KEEPALIVE	9
705 #define	LINUX_SO_OOBINLINE	10
706 #define	LINUX_SO_NO_CHECK	11
707 #define	LINUX_SO_PRIORITY	12
708 #define	LINUX_SO_LINGER		13
709 #define	LINUX_SO_PEERCRED	17
710 #define	LINUX_SO_RCVLOWAT	18
711 #define	LINUX_SO_SNDLOWAT	19
712 #define	LINUX_SO_RCVTIMEO	20
713 #define	LINUX_SO_SNDTIMEO	21
714 #define	LINUX_SO_TIMESTAMP	29
715 #define	LINUX_SO_ACCEPTCONN	30
716 
717 #define	LINUX_IP_TOS		1
718 #define	LINUX_IP_TTL		2
719 #define	LINUX_IP_HDRINCL	3
720 #define	LINUX_IP_OPTIONS	4
721 
722 #define	LINUX_IP_MULTICAST_IF		32
723 #define	LINUX_IP_MULTICAST_TTL		33
724 #define	LINUX_IP_MULTICAST_LOOP		34
725 #define	LINUX_IP_ADD_MEMBERSHIP		35
726 #define	LINUX_IP_DROP_MEMBERSHIP	36
727 
728 struct l_sockaddr {
729 	l_ushort	sa_family;
730 	char		sa_data[14];
731 } __packed;
732 
733 struct l_msghdr {
734 	l_uintptr_t	msg_name;
735 	l_int		msg_namelen;
736 	l_uintptr_t	msg_iov;
737 	l_size_t	msg_iovlen;
738 	l_uintptr_t	msg_control;
739 	l_size_t	msg_controllen;
740 	l_uint		msg_flags;
741 };
742 
743 struct l_cmsghdr {
744 	l_size_t	cmsg_len;
745 	l_int		cmsg_level;
746 	l_int		cmsg_type;
747 };
748 
749 struct l_ifmap {
750 	l_ulong		mem_start;
751 	l_ulong		mem_end;
752 	l_ushort	base_addr;
753 	u_char		irq;
754 	u_char		dma;
755 	u_char		port;
756 } __packed;
757 
758 #define	LINUX_IFHWADDRLEN	6
759 #define	LINUX_IFNAMSIZ		16
760 
761 struct l_ifreq {
762 	union {
763 		char	ifrn_name[LINUX_IFNAMSIZ];
764 	} ifr_ifrn;
765 
766 	union {
767 		struct l_sockaddr	ifru_addr;
768 		struct l_sockaddr	ifru_dstaddr;
769 		struct l_sockaddr	ifru_broadaddr;
770 		struct l_sockaddr	ifru_netmask;
771 		struct l_sockaddr	ifru_hwaddr;
772 		l_short		ifru_flags[1];
773 		l_int		ifru_metric;
774 		l_int		ifru_mtu;
775 		struct l_ifmap	ifru_map;
776 		char		ifru_slave[LINUX_IFNAMSIZ];
777 		l_uintptr_t	ifru_data;
778 	} ifr_ifru;
779 } __packed;
780 
781 #define	ifr_name	ifr_ifrn.ifrn_name	/* Interface name */
782 #define	ifr_hwaddr	ifr_ifru.ifru_hwaddr	/* MAC address */
783 
784 struct l_ifconf {
785 	int	ifc_len;
786 	union {
787 		l_uintptr_t	ifcu_buf;
788 		l_uintptr_t	ifcu_req;
789 	} ifc_ifcu;
790 } __packed;
791 
792 #define	ifc_buf		ifc_ifcu.ifcu_buf
793 #define	ifc_req		ifc_ifcu.ifcu_req
794 
795 /*
796  * poll()
797  */
798 #define	LINUX_POLLIN		0x0001
799 #define	LINUX_POLLPRI		0x0002
800 #define	LINUX_POLLOUT		0x0004
801 #define	LINUX_POLLERR		0x0008
802 #define	LINUX_POLLHUP		0x0010
803 #define	LINUX_POLLNVAL		0x0020
804 #define	LINUX_POLLRDNORM	0x0040
805 #define	LINUX_POLLRDBAND	0x0080
806 #define	LINUX_POLLWRNORM	0x0100
807 #define	LINUX_POLLWRBAND	0x0200
808 #define	LINUX_POLLMSG		0x0400
809 
810 struct l_pollfd {
811 	l_int		fd;
812 	l_short		events;
813 	l_short		revents;
814 } __packed;
815 
816 struct l_user_desc {
817 	l_uint		entry_number;
818 	l_uint		base_addr;
819 	l_uint		limit;
820 	l_uint		seg_32bit:1;
821 	l_uint		contents:2;
822 	l_uint		read_exec_only:1;
823 	l_uint		limit_in_pages:1;
824 	l_uint		seg_not_present:1;
825 	l_uint		useable:1;
826 };
827 
828 #define	LINUX_LOWERWORD	0x0000ffff
829 
830 /*
831  * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
832  * These convert Linux user space descriptor to machine one.
833  */
834 #define	LINUX_LDT_entry_a(info)					\
835 	((((info)->base_addr & LINUX_LOWERWORD) << 16) |	\
836 	((info)->limit & LINUX_LOWERWORD))
837 
838 #define	LINUX_ENTRY_B_READ_EXEC_ONLY	9
839 #define	LINUX_ENTRY_B_CONTENTS		10
840 #define	LINUX_ENTRY_B_SEG_NOT_PRESENT	15
841 #define	LINUX_ENTRY_B_BASE_ADDR		16
842 #define	LINUX_ENTRY_B_USEABLE		20
843 #define	LINUX_ENTRY_B_SEG32BIT		22
844 #define	LINUX_ENTRY_B_LIMIT		23
845 
846 #define	LINUX_LDT_entry_b(info)							\
847 	(((info)->base_addr & 0xff000000) |					\
848 	((info)->limit & 0xf0000) |						\
849 	((info)->contents << LINUX_ENTRY_B_CONTENTS) |				\
850 	(((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) |	\
851 	(((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) |		\
852 	(((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) |	\
853 	((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) |				\
854 	((info)->useable << LINUX_ENTRY_B_USEABLE) |				\
855 	((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
856 
857 #define	LINUX_LDT_empty(info)		\
858 	((info)->base_addr == 0 &&	\
859 	(info)->limit == 0 &&		\
860 	(info)->contents == 0 &&	\
861 	(info)->seg_not_present == 1 &&	\
862 	(info)->read_exec_only == 1 &&	\
863 	(info)->seg_32bit == 0 &&	\
864 	(info)->limit_in_pages == 0 &&	\
865 	(info)->useable == 0)
866 
867 /*
868  * Macros for converting segments.
869  * They do the same as those in arch/i386/kernel/process.c in Linux.
870  */
871 #define	LINUX_GET_BASE(desc)				\
872 	((((desc)->a >> 16) & LINUX_LOWERWORD) |	\
873 	(((desc)->b << 16) & 0x00ff0000) |		\
874 	((desc)->b & 0xff000000))
875 
876 #define	LINUX_GET_LIMIT(desc)			\
877 	(((desc)->a & LINUX_LOWERWORD) |	\
878 	((desc)->b & 0xf0000))
879 
880 #define	LINUX_GET_32BIT(desc)		\
881 	(((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
882 #define	LINUX_GET_CONTENTS(desc)	\
883 	(((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
884 #define	LINUX_GET_WRITABLE(desc)	\
885 	(((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
886 #define	LINUX_GET_LIMIT_PAGES(desc)	\
887 	(((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
888 #define	LINUX_GET_PRESENT(desc)		\
889 	(((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
890 #define	LINUX_GET_USEABLE(desc)		\
891 	(((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
892 
893 #define	LINUX_CLOCK_REALTIME		0
894 #define	LINUX_CLOCK_MONOTONIC		1
895 #define	LINUX_CLOCK_PROCESS_CPUTIME_ID	2
896 #define	LINUX_CLOCK_THREAD_CPUTIME_ID	3
897 #define	LINUX_CLOCK_REALTIME_HR		4
898 #define	LINUX_CLOCK_MONOTONIC_HR	5
899 
900 #define	LINUX_CLONE_VM			0x00000100
901 #define	LINUX_CLONE_FS			0x00000200
902 #define	LINUX_CLONE_FILES		0x00000400
903 #define	LINUX_CLONE_SIGHAND		0x00000800
904 #define	LINUX_CLONE_PID			0x00001000	/* No longer exist in Linux */
905 #define	LINUX_CLONE_VFORK		0x00004000
906 #define	LINUX_CLONE_PARENT		0x00008000
907 #define	LINUX_CLONE_THREAD		0x00010000
908 #define	LINUX_CLONE_SETTLS		0x00080000
909 #define	LINUX_CLONE_PARENT_SETTID	0x00100000
910 #define	LINUX_CLONE_CHILD_CLEARTID	0x00200000
911 #define	LINUX_CLONE_CHILD_SETTID	0x01000000
912 
913 #define	LINUX_THREADING_FLAGS					\
914 	(LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES |	\
915 	LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
916 
917 struct iovec;
918 
919 struct l_iovec32 {
920 	uint32_t	iov_base;
921 	l_size_t	iov_len;
922 };
923 
924 int linux32_copyiniov(struct l_iovec32 *iovp32, l_ulong iovcnt,
925 			    struct iovec **iovp, int error);
926 
927 /* robust futexes */
928 struct linux_robust_list {
929 	l_uintptr_t			next;
930 };
931 
932 struct linux_robust_list_head {
933 	struct linux_robust_list	list;
934 	l_long				futex_offset;
935 	l_uintptr_t			pending_list;
936 };
937 
938 int linux_set_upcall_kse(struct thread *td, register_t stack);
939 int linux_set_cloned_tls(struct thread *td, void *desc);
940 
941 #endif /* !_AMD64_LINUX_H_ */
942