FreeBSD/Linux Kernel Cross Reference
sys/i386/linux/linux.h
1 /*-
2 * Copyright (c) 1994-1996 Søren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer
10 * in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 * derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * $FreeBSD: releng/8.3/sys/i386/linux/linux.h 231146 2012-02-07 19:12:21Z jhb $
29 */
30
31 #ifndef _I386_LINUX_H_
32 #define _I386_LINUX_H_
33
34 #include <sys/signal.h> /* for sigval union */
35
36 #include <i386/linux/linux_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 PTRIN(v) (void *)(v)
51 #define PTROUT(v) (l_uintptr_t)(v)
52
53 /*
54 * Provide a separate set of types for the Linux types.
55 */
56 typedef int l_int;
57 typedef int32_t l_long;
58 typedef int64_t l_longlong;
59 typedef short l_short;
60 typedef unsigned int l_uint;
61 typedef uint32_t l_ulong;
62 typedef uint64_t l_ulonglong;
63 typedef unsigned short l_ushort;
64
65 typedef char *l_caddr_t;
66 typedef l_ulong l_uintptr_t;
67 typedef l_long l_clock_t;
68 typedef l_int l_daddr_t;
69 typedef l_ushort l_dev_t;
70 typedef l_uint l_gid_t;
71 typedef l_ushort l_gid16_t;
72 typedef l_ulong l_ino_t;
73 typedef l_int l_key_t;
74 typedef l_longlong l_loff_t;
75 typedef l_ushort l_mode_t;
76 typedef l_long l_off_t;
77 typedef l_int l_pid_t;
78 typedef l_uint l_size_t;
79 typedef l_long l_suseconds_t;
80 typedef l_long l_time_t;
81 typedef l_uint l_uid_t;
82 typedef l_ushort l_uid16_t;
83 typedef l_int l_timer_t;
84 typedef l_int l_mqd_t;
85
86 typedef struct {
87 l_int val[2];
88 } l_fsid_t;
89
90 typedef struct {
91 l_time_t tv_sec;
92 l_suseconds_t tv_usec;
93 } l_timeval;
94
95 #define l_fd_set fd_set
96
97 /*
98 * Miscellaneous
99 */
100 #define LINUX_NAME_MAX 255
101 #define LINUX_MAX_UTSNAME 65
102
103 #define LINUX_CTL_MAXNAME 10
104
105 #define LINUX_AT_COUNT 16 /* Count of used aux entry types.
106 * Keep this synchronized with
107 * elf_linux_fixup() code.
108 */
109 struct l___sysctl_args
110 {
111 l_int *name;
112 l_int nlen;
113 void *oldval;
114 l_size_t *oldlenp;
115 void *newval;
116 l_size_t newlen;
117 l_ulong __spare[4];
118 };
119
120 /* Scheduling policies */
121 #define LINUX_SCHED_OTHER 0
122 #define LINUX_SCHED_FIFO 1
123 #define LINUX_SCHED_RR 2
124
125 /* Resource limits */
126 #define LINUX_RLIMIT_CPU 0
127 #define LINUX_RLIMIT_FSIZE 1
128 #define LINUX_RLIMIT_DATA 2
129 #define LINUX_RLIMIT_STACK 3
130 #define LINUX_RLIMIT_CORE 4
131 #define LINUX_RLIMIT_RSS 5
132 #define LINUX_RLIMIT_NPROC 6
133 #define LINUX_RLIMIT_NOFILE 7
134 #define LINUX_RLIMIT_MEMLOCK 8
135 #define LINUX_RLIMIT_AS 9 /* Address space limit */
136
137 #define LINUX_RLIM_NLIMITS 10
138
139 struct l_rlimit {
140 l_ulong rlim_cur;
141 l_ulong rlim_max;
142 };
143
144 /* mmap options */
145 #define LINUX_MAP_SHARED 0x0001
146 #define LINUX_MAP_PRIVATE 0x0002
147 #define LINUX_MAP_FIXED 0x0010
148 #define LINUX_MAP_ANON 0x0020
149 #define LINUX_MAP_GROWSDOWN 0x0100
150
151 struct l_mmap_argv {
152 l_uintptr_t addr;
153 l_size_t len;
154 l_int prot;
155 l_int flags;
156 l_int fd;
157 l_off_t pgoff;
158 } __packed;
159
160 /*
161 * stat family of syscalls
162 */
163 struct l_timespec {
164 l_time_t tv_sec;
165 l_long tv_nsec;
166 };
167
168 struct l_newstat {
169 l_ushort st_dev;
170 l_ushort __pad1;
171 l_ulong st_ino;
172 l_ushort st_mode;
173 l_ushort st_nlink;
174 l_ushort st_uid;
175 l_ushort st_gid;
176 l_ushort st_rdev;
177 l_ushort __pad2;
178 l_ulong st_size;
179 l_ulong st_blksize;
180 l_ulong st_blocks;
181 struct l_timespec st_atimespec;
182 struct l_timespec st_mtimespec;
183 struct l_timespec st_ctimespec;
184 l_ulong __unused4;
185 l_ulong __unused5;
186 };
187
188 struct l_stat {
189 l_ushort st_dev;
190 l_ulong st_ino;
191 l_ushort st_mode;
192 l_ushort st_nlink;
193 l_ushort st_uid;
194 l_ushort st_gid;
195 l_ushort st_rdev;
196 l_long st_size;
197 struct l_timespec st_atimespec;
198 struct l_timespec st_mtimespec;
199 struct l_timespec st_ctimespec;
200 l_long st_blksize;
201 l_long st_blocks;
202 l_ulong st_flags;
203 l_ulong st_gen;
204 };
205
206 struct l_stat64 {
207 l_ushort st_dev;
208 u_char __pad0[10];
209 l_ulong __st_ino;
210 l_uint st_mode;
211 l_uint st_nlink;
212 l_ulong st_uid;
213 l_ulong st_gid;
214 l_ushort st_rdev;
215 u_char __pad3[10];
216 l_longlong st_size;
217 l_ulong st_blksize;
218 l_ulong st_blocks;
219 l_ulong __pad4;
220 struct l_timespec st_atimespec;
221 struct l_timespec st_mtimespec;
222 struct l_timespec st_ctimespec;
223 l_ulonglong st_ino;
224 };
225
226 struct l_statfs64 {
227 l_int f_type;
228 l_int f_bsize;
229 uint64_t f_blocks;
230 uint64_t f_bfree;
231 uint64_t f_bavail;
232 uint64_t f_files;
233 uint64_t f_ffree;
234 l_fsid_t f_fsid;
235 l_int f_namelen;
236 l_int f_spare[6];
237 };
238
239 struct l_new_utsname {
240 char sysname[LINUX_MAX_UTSNAME];
241 char nodename[LINUX_MAX_UTSNAME];
242 char release[LINUX_MAX_UTSNAME];
243 char version[LINUX_MAX_UTSNAME];
244 char machine[LINUX_MAX_UTSNAME];
245 char domainname[LINUX_MAX_UTSNAME];
246 };
247
248 /*
249 * Signalling
250 */
251 #define LINUX_SIGHUP 1
252 #define LINUX_SIGINT 2
253 #define LINUX_SIGQUIT 3
254 #define LINUX_SIGILL 4
255 #define LINUX_SIGTRAP 5
256 #define LINUX_SIGABRT 6
257 #define LINUX_SIGIOT LINUX_SIGABRT
258 #define LINUX_SIGBUS 7
259 #define LINUX_SIGFPE 8
260 #define LINUX_SIGKILL 9
261 #define LINUX_SIGUSR1 10
262 #define LINUX_SIGSEGV 11
263 #define LINUX_SIGUSR2 12
264 #define LINUX_SIGPIPE 13
265 #define LINUX_SIGALRM 14
266 #define LINUX_SIGTERM 15
267 #define LINUX_SIGSTKFLT 16
268 #define LINUX_SIGCHLD 17
269 #define LINUX_SIGCONT 18
270 #define LINUX_SIGSTOP 19
271 #define LINUX_SIGTSTP 20
272 #define LINUX_SIGTTIN 21
273 #define LINUX_SIGTTOU 22
274 #define LINUX_SIGURG 23
275 #define LINUX_SIGXCPU 24
276 #define LINUX_SIGXFSZ 25
277 #define LINUX_SIGVTALRM 26
278 #define LINUX_SIGPROF 27
279 #define LINUX_SIGWINCH 28
280 #define LINUX_SIGIO 29
281 #define LINUX_SIGPOLL LINUX_SIGIO
282 #define LINUX_SIGPWR 30
283 #define LINUX_SIGSYS 31
284 #define LINUX_SIGRTMIN 32
285
286 #define LINUX_SIGTBLSZ 31
287 #define LINUX_NSIG_WORDS 2
288 #define LINUX_NBPW 32
289 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
290
291 /* sigaction flags */
292 #define LINUX_SA_NOCLDSTOP 0x00000001
293 #define LINUX_SA_NOCLDWAIT 0x00000002
294 #define LINUX_SA_SIGINFO 0x00000004
295 #define LINUX_SA_RESTORER 0x04000000
296 #define LINUX_SA_ONSTACK 0x08000000
297 #define LINUX_SA_RESTART 0x10000000
298 #define LINUX_SA_INTERRUPT 0x20000000
299 #define LINUX_SA_NOMASK 0x40000000
300 #define LINUX_SA_ONESHOT 0x80000000
301
302 /* sigprocmask actions */
303 #define LINUX_SIG_BLOCK 0
304 #define LINUX_SIG_UNBLOCK 1
305 #define LINUX_SIG_SETMASK 2
306
307 /* sigset_t macros */
308 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
309 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
310 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
311
312 /* sigaltstack */
313 #define LINUX_MINSIGSTKSZ 2048
314 #define LINUX_SS_ONSTACK 1
315 #define LINUX_SS_DISABLE 2
316
317 int linux_to_bsd_sigaltstack(int lsa);
318 int bsd_to_linux_sigaltstack(int bsa);
319
320 typedef void (*l_handler_t)(l_int);
321 typedef l_ulong l_osigset_t;
322
323 typedef struct {
324 l_uint __bits[LINUX_NSIG_WORDS];
325 } l_sigset_t;
326
327 typedef struct {
328 l_handler_t lsa_handler;
329 l_osigset_t lsa_mask;
330 l_ulong lsa_flags;
331 void (*lsa_restorer)(void);
332 } l_osigaction_t;
333
334 typedef struct {
335 l_handler_t lsa_handler;
336 l_ulong lsa_flags;
337 void (*lsa_restorer)(void);
338 l_sigset_t lsa_mask;
339 } l_sigaction_t;
340
341 typedef struct {
342 void *ss_sp;
343 l_int ss_flags;
344 l_size_t ss_size;
345 } l_stack_t;
346
347 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
348 struct l_sigcontext {
349 l_int sc_gs;
350 l_int sc_fs;
351 l_int sc_es;
352 l_int sc_ds;
353 l_int sc_edi;
354 l_int sc_esi;
355 l_int sc_ebp;
356 l_int sc_esp;
357 l_int sc_ebx;
358 l_int sc_edx;
359 l_int sc_ecx;
360 l_int sc_eax;
361 l_int sc_trapno;
362 l_int sc_err;
363 l_int sc_eip;
364 l_int sc_cs;
365 l_int sc_eflags;
366 l_int sc_esp_at_signal;
367 l_int sc_ss;
368 l_int sc_387;
369 l_int sc_mask;
370 l_int sc_cr2;
371 };
372
373 struct l_ucontext {
374 l_ulong uc_flags;
375 void *uc_link;
376 l_stack_t uc_stack;
377 struct l_sigcontext uc_mcontext;
378 l_sigset_t uc_sigmask;
379 };
380
381 #define LINUX_SI_MAX_SIZE 128
382 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
383
384 typedef union l_sigval {
385 l_int sival_int;
386 l_uintptr_t sival_ptr;
387 } l_sigval_t;
388
389 typedef struct l_siginfo {
390 l_int lsi_signo;
391 l_int lsi_errno;
392 l_int lsi_code;
393 union {
394 l_int _pad[LINUX_SI_PAD_SIZE];
395
396 struct {
397 l_pid_t _pid;
398 l_uid_t _uid;
399 } _kill;
400
401 struct {
402 l_timer_t _tid;
403 l_int _overrun;
404 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
405 l_sigval_t _sigval;
406 l_int _sys_private;
407 } _timer;
408
409 struct {
410 l_pid_t _pid; /* sender's pid */
411 l_uid_t _uid; /* sender's uid */
412 l_sigval_t _sigval;
413 } _rt;
414
415 struct {
416 l_pid_t _pid; /* which child */
417 l_uid_t _uid; /* sender's uid */
418 l_int _status; /* exit code */
419 l_clock_t _utime;
420 l_clock_t _stime;
421 } _sigchld;
422
423 struct {
424 l_uintptr_t _addr; /* Faulting insn/memory ref. */
425 } _sigfault;
426
427 struct {
428 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
429 l_int _fd;
430 } _sigpoll;
431 } _sifields;
432 } l_siginfo_t;
433
434 #define lsi_pid _sifields._kill._pid
435 #define lsi_uid _sifields._kill._uid
436 #define lsi_tid _sifields._timer._tid
437 #define lsi_overrun _sifields._timer._overrun
438 #define lsi_sys_private _sifields._timer._sys_private
439 #define lsi_status _sifields._sigchld._status
440 #define lsi_utime _sifields._sigchld._utime
441 #define lsi_stime _sifields._sigchld._stime
442 #define lsi_value _sifields._rt._sigval
443 #define lsi_int _sifields._rt._sigval.sival_int
444 #define lsi_ptr _sifields._rt._sigval.sival_ptr
445 #define lsi_addr _sifields._sigfault._addr
446 #define lsi_band _sifields._sigpoll._band
447 #define lsi_fd _sifields._sigpoll._fd
448
449 struct l_fpreg {
450 u_int16_t significand[4];
451 u_int16_t exponent;
452 };
453
454 struct l_fpxreg {
455 u_int16_t significand[4];
456 u_int16_t exponent;
457 u_int16_t padding[3];
458 };
459
460 struct l_xmmreg {
461 u_int32_t element[4];
462 };
463
464 struct l_fpstate {
465 /* Regular FPU environment */
466 u_int32_t cw;
467 u_int32_t sw;
468 u_int32_t tag;
469 u_int32_t ipoff;
470 u_int32_t cssel;
471 u_int32_t dataoff;
472 u_int32_t datasel;
473 struct l_fpreg _st[8];
474 u_int16_t status;
475 u_int16_t magic; /* 0xffff = regular FPU data */
476
477 /* FXSR FPU environment */
478 u_int32_t _fxsr_env[6]; /* env is ignored. */
479 u_int32_t mxcsr;
480 u_int32_t reserved;
481 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
482 struct l_xmmreg _xmm[8];
483 u_int32_t padding[56];
484 };
485
486 /*
487 * We make the stack look like Linux expects it when calling a signal
488 * handler, but use the BSD way of calling the handler and sigreturn().
489 * This means that we need to pass the pointer to the handler too.
490 * It is appended to the frame to not interfere with the rest of it.
491 */
492 struct l_sigframe {
493 l_int sf_sig;
494 struct l_sigcontext sf_sc;
495 struct l_fpstate sf_fpstate;
496 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
497 l_handler_t sf_handler;
498 };
499
500 struct l_rt_sigframe {
501 l_int sf_sig;
502 l_siginfo_t *sf_siginfo;
503 struct l_ucontext *sf_ucontext;
504 l_siginfo_t sf_si;
505 struct l_ucontext sf_sc;
506 l_handler_t sf_handler;
507 };
508
509 extern int bsd_to_linux_signal[];
510 extern int linux_to_bsd_signal[];
511 extern struct sysentvec linux_sysvec;
512 extern struct sysentvec elf_linux_sysvec;
513
514 /*
515 * Pluggable ioctl handlers
516 */
517 struct linux_ioctl_args;
518 struct thread;
519
520 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
521
522 struct linux_ioctl_handler {
523 linux_ioctl_function_t *func;
524 int low, high;
525 };
526
527 int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
528 int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
529
530 /*
531 * open/fcntl flags
532 */
533 #define LINUX_O_RDONLY 00000000
534 #define LINUX_O_WRONLY 00000001
535 #define LINUX_O_RDWR 00000002
536 #define LINUX_O_ACCMODE 00000003
537 #define LINUX_O_CREAT 00000100
538 #define LINUX_O_EXCL 00000200
539 #define LINUX_O_NOCTTY 00000400
540 #define LINUX_O_TRUNC 00001000
541 #define LINUX_O_APPEND 00002000
542 #define LINUX_O_NONBLOCK 00004000
543 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
544 #define LINUX_O_SYNC 00010000
545 #define LINUX_FASYNC 00020000
546 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
547 #define LINUX_O_LARGEFILE 00100000
548 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
549 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
550 #define LINUX_O_NOATIME 01000000
551 #define LINUX_O_CLOEXEC 02000000
552
553 #define LINUX_F_DUPFD 0
554 #define LINUX_F_GETFD 1
555 #define LINUX_F_SETFD 2
556 #define LINUX_F_GETFL 3
557 #define LINUX_F_SETFL 4
558 #define LINUX_F_GETLK 5
559 #define LINUX_F_SETLK 6
560 #define LINUX_F_SETLKW 7
561 #define LINUX_F_SETOWN 8
562 #define LINUX_F_GETOWN 9
563
564 #define LINUX_F_GETLK64 12
565 #define LINUX_F_SETLK64 13
566 #define LINUX_F_SETLKW64 14
567
568 #define LINUX_F_RDLCK 0
569 #define LINUX_F_WRLCK 1
570 #define LINUX_F_UNLCK 2
571
572 /*
573 * posix_fadvise advice
574 */
575 #define LINUX_POSIX_FADV_NORMAL 0
576 #define LINUX_POSIX_FADV_RANDOM 1
577 #define LINUX_POSIX_FADV_SEQUENTIAL 2
578 #define LINUX_POSIX_FADV_WILLNEED 3
579 #define LINUX_POSIX_FADV_DONTNEED 4
580 #define LINUX_POSIX_FADV_NOREUSE 5
581
582 /*
583 * mount flags
584 */
585 #define LINUX_MS_RDONLY 0x0001
586 #define LINUX_MS_NOSUID 0x0002
587 #define LINUX_MS_NODEV 0x0004
588 #define LINUX_MS_NOEXEC 0x0008
589 #define LINUX_MS_REMOUNT 0x0020
590
591 /*
592 * SystemV IPC defines
593 */
594 #define LINUX_SEMOP 1
595 #define LINUX_SEMGET 2
596 #define LINUX_SEMCTL 3
597 #define LINUX_MSGSND 11
598 #define LINUX_MSGRCV 12
599 #define LINUX_MSGGET 13
600 #define LINUX_MSGCTL 14
601 #define LINUX_SHMAT 21
602 #define LINUX_SHMDT 22
603 #define LINUX_SHMGET 23
604 #define LINUX_SHMCTL 24
605
606 #define LINUX_IPC_RMID 0
607 #define LINUX_IPC_SET 1
608 #define LINUX_IPC_STAT 2
609 #define LINUX_IPC_INFO 3
610
611 #define LINUX_SHM_LOCK 11
612 #define LINUX_SHM_UNLOCK 12
613 #define LINUX_SHM_STAT 13
614 #define LINUX_SHM_INFO 14
615
616 #define LINUX_SHM_RDONLY 0x1000
617 #define LINUX_SHM_RND 0x2000
618 #define LINUX_SHM_REMAP 0x4000
619
620 /* semctl commands */
621 #define LINUX_GETPID 11
622 #define LINUX_GETVAL 12
623 #define LINUX_GETALL 13
624 #define LINUX_GETNCNT 14
625 #define LINUX_GETZCNT 15
626 #define LINUX_SETVAL 16
627 #define LINUX_SETALL 17
628 #define LINUX_SEM_STAT 18
629 #define LINUX_SEM_INFO 19
630
631 union l_semun {
632 l_int val;
633 struct l_semid_ds *buf;
634 l_ushort *array;
635 struct l_seminfo *__buf;
636 void *__pad;
637 };
638
639 /*
640 * Socket defines
641 */
642 #define LINUX_SOCKET 1
643 #define LINUX_BIND 2
644 #define LINUX_CONNECT 3
645 #define LINUX_LISTEN 4
646 #define LINUX_ACCEPT 5
647 #define LINUX_GETSOCKNAME 6
648 #define LINUX_GETPEERNAME 7
649 #define LINUX_SOCKETPAIR 8
650 #define LINUX_SEND 9
651 #define LINUX_RECV 10
652 #define LINUX_SENDTO 11
653 #define LINUX_RECVFROM 12
654 #define LINUX_SHUTDOWN 13
655 #define LINUX_SETSOCKOPT 14
656 #define LINUX_GETSOCKOPT 15
657 #define LINUX_SENDMSG 16
658 #define LINUX_RECVMSG 17
659 #define LINUX_ACCEPT4 18
660
661 #define LINUX_SOL_SOCKET 1
662 #define LINUX_SOL_IP 0
663 #define LINUX_SOL_IPX 256
664 #define LINUX_SOL_AX25 257
665 #define LINUX_SOL_TCP 6
666 #define LINUX_SOL_UDP 17
667
668 #define LINUX_SO_DEBUG 1
669 #define LINUX_SO_REUSEADDR 2
670 #define LINUX_SO_TYPE 3
671 #define LINUX_SO_ERROR 4
672 #define LINUX_SO_DONTROUTE 5
673 #define LINUX_SO_BROADCAST 6
674 #define LINUX_SO_SNDBUF 7
675 #define LINUX_SO_RCVBUF 8
676 #define LINUX_SO_KEEPALIVE 9
677 #define LINUX_SO_OOBINLINE 10
678 #define LINUX_SO_NO_CHECK 11
679 #define LINUX_SO_PRIORITY 12
680 #define LINUX_SO_LINGER 13
681 #define LINUX_SO_PEERCRED 17
682 #define LINUX_SO_RCVLOWAT 18
683 #define LINUX_SO_SNDLOWAT 19
684 #define LINUX_SO_RCVTIMEO 20
685 #define LINUX_SO_SNDTIMEO 21
686 #define LINUX_SO_TIMESTAMP 29
687 #define LINUX_SO_ACCEPTCONN 30
688
689 #define LINUX_IP_TOS 1
690 #define LINUX_IP_TTL 2
691 #define LINUX_IP_HDRINCL 3
692 #define LINUX_IP_OPTIONS 4
693
694 #define LINUX_IP_MULTICAST_IF 32
695 #define LINUX_IP_MULTICAST_TTL 33
696 #define LINUX_IP_MULTICAST_LOOP 34
697 #define LINUX_IP_ADD_MEMBERSHIP 35
698 #define LINUX_IP_DROP_MEMBERSHIP 36
699
700 struct l_sockaddr {
701 l_ushort sa_family;
702 char sa_data[14];
703 };
704
705 struct l_msghdr {
706 l_uintptr_t msg_name;
707 l_int msg_namelen;
708 l_uintptr_t msg_iov;
709 l_size_t msg_iovlen;
710 l_uintptr_t msg_control;
711 l_size_t msg_controllen;
712 l_uint msg_flags;
713 };
714
715 struct l_cmsghdr {
716 l_size_t cmsg_len;
717 l_int cmsg_level;
718 l_int cmsg_type;
719 };
720
721 struct l_ifmap {
722 l_ulong mem_start;
723 l_ulong mem_end;
724 l_ushort base_addr;
725 u_char irq;
726 u_char dma;
727 u_char port;
728 };
729
730 #define LINUX_IFHWADDRLEN 6
731 #define LINUX_IFNAMSIZ 16
732
733 struct l_ifreq {
734 union {
735 char ifrn_name[LINUX_IFNAMSIZ];
736 } ifr_ifrn;
737
738 union {
739 struct l_sockaddr ifru_addr;
740 struct l_sockaddr ifru_dstaddr;
741 struct l_sockaddr ifru_broadaddr;
742 struct l_sockaddr ifru_netmask;
743 struct l_sockaddr ifru_hwaddr;
744 l_short ifru_flags[1];
745 l_int ifru_metric;
746 l_int ifru_mtu;
747 struct l_ifmap ifru_map;
748 char ifru_slave[LINUX_IFNAMSIZ];
749 l_caddr_t ifru_data;
750 } ifr_ifru;
751 };
752
753 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
754 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
755
756 /*
757 * poll()
758 */
759 #define LINUX_POLLIN 0x0001
760 #define LINUX_POLLPRI 0x0002
761 #define LINUX_POLLOUT 0x0004
762 #define LINUX_POLLERR 0x0008
763 #define LINUX_POLLHUP 0x0010
764 #define LINUX_POLLNVAL 0x0020
765 #define LINUX_POLLRDNORM 0x0040
766 #define LINUX_POLLRDBAND 0x0080
767 #define LINUX_POLLWRNORM 0x0100
768 #define LINUX_POLLWRBAND 0x0200
769 #define LINUX_POLLMSG 0x0400
770
771 struct l_pollfd {
772 l_int fd;
773 l_short events;
774 l_short revents;
775 };
776
777 struct l_user_desc {
778 l_uint entry_number;
779 l_uint base_addr;
780 l_uint limit;
781 l_uint seg_32bit:1;
782 l_uint contents:2;
783 l_uint read_exec_only:1;
784 l_uint limit_in_pages:1;
785 l_uint seg_not_present:1;
786 l_uint useable:1;
787 };
788
789 struct l_desc_struct {
790 unsigned long a, b;
791 };
792
793
794 #define LINUX_LOWERWORD 0x0000ffff
795
796 /*
797 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
798 * These convert Linux user space descriptor to machine one.
799 */
800 #define LINUX_LDT_entry_a(info) \
801 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
802 ((info)->limit & LINUX_LOWERWORD))
803
804 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
805 #define LINUX_ENTRY_B_CONTENTS 10
806 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
807 #define LINUX_ENTRY_B_BASE_ADDR 16
808 #define LINUX_ENTRY_B_USEABLE 20
809 #define LINUX_ENTRY_B_SEG32BIT 22
810 #define LINUX_ENTRY_B_LIMIT 23
811
812 #define LINUX_LDT_entry_b(info) \
813 (((info)->base_addr & 0xff000000) | \
814 ((info)->limit & 0xf0000) | \
815 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
816 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
817 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
818 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
819 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
820 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
821 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
822
823 #define LINUX_LDT_empty(info) \
824 ((info)->base_addr == 0 && \
825 (info)->limit == 0 && \
826 (info)->contents == 0 && \
827 (info)->seg_not_present == 1 && \
828 (info)->read_exec_only == 1 && \
829 (info)->seg_32bit == 0 && \
830 (info)->limit_in_pages == 0 && \
831 (info)->useable == 0)
832
833 /*
834 * Macros for converting segments.
835 * They do the same as those in arch/i386/kernel/process.c in Linux.
836 */
837 #define LINUX_GET_BASE(desc) \
838 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
839 (((desc)->b << 16) & 0x00ff0000) | \
840 ((desc)->b & 0xff000000))
841
842 #define LINUX_GET_LIMIT(desc) \
843 (((desc)->a & LINUX_LOWERWORD) | \
844 ((desc)->b & 0xf0000))
845
846 #define LINUX_GET_32BIT(desc) \
847 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
848 #define LINUX_GET_CONTENTS(desc) \
849 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
850 #define LINUX_GET_WRITABLE(desc) \
851 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
852 #define LINUX_GET_LIMIT_PAGES(desc) \
853 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
854 #define LINUX_GET_PRESENT(desc) \
855 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
856 #define LINUX_GET_USEABLE(desc) \
857 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
858
859 #define LINUX_CLOCK_REALTIME 0
860 #define LINUX_CLOCK_MONOTONIC 1
861 #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
862 #define LINUX_CLOCK_THREAD_CPUTIME_ID 3
863 #define LINUX_CLOCK_REALTIME_HR 4
864 #define LINUX_CLOCK_MONOTONIC_HR 5
865
866 #define LINUX_CLONE_VM 0x00000100
867 #define LINUX_CLONE_FS 0x00000200
868 #define LINUX_CLONE_FILES 0x00000400
869 #define LINUX_CLONE_SIGHAND 0x00000800
870 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
871 #define LINUX_CLONE_VFORK 0x00004000
872 #define LINUX_CLONE_PARENT 0x00008000
873 #define LINUX_CLONE_THREAD 0x00010000
874 #define LINUX_CLONE_SETTLS 0x00080000
875 #define LINUX_CLONE_PARENT_SETTID 0x00100000
876 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000
877 #define LINUX_CLONE_CHILD_SETTID 0x01000000
878
879 #define LINUX_THREADING_FLAGS \
880 (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \
881 LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
882
883 /* robust futexes */
884 struct linux_robust_list {
885 struct linux_robust_list *next;
886 };
887
888 struct linux_robust_list_head {
889 struct linux_robust_list list;
890 l_long futex_offset;
891 struct linux_robust_list *pending_list;
892 };
893
894 int linux_set_upcall_kse(struct thread *td, register_t stack);
895 int linux_set_cloned_tls(struct thread *td, void *desc);
896
897 #endif /* !_I386_LINUX_H_ */
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