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/9.0/sys/i386/linux/linux.h 220186 2011-03-31 08:14:51Z avg $
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 LINUX_SHAREDPAGE (VM_MAXUSER_ADDRESS - PAGE_SIZE)
51 #define LINUX_USRSTACK LINUX_SHAREDPAGE
52
53 #define PTRIN(v) (void *)(v)
54 #define PTROUT(v) (l_uintptr_t)(v)
55
56 /*
57 * Provide a separate set of types for the Linux types.
58 */
59 typedef int l_int;
60 typedef int32_t l_long;
61 typedef int64_t l_longlong;
62 typedef short l_short;
63 typedef unsigned int l_uint;
64 typedef uint32_t l_ulong;
65 typedef uint64_t l_ulonglong;
66 typedef unsigned short l_ushort;
67
68 typedef char *l_caddr_t;
69 typedef l_ulong l_uintptr_t;
70 typedef l_long l_clock_t;
71 typedef l_int l_daddr_t;
72 typedef l_ushort l_dev_t;
73 typedef l_uint l_gid_t;
74 typedef l_ushort l_gid16_t;
75 typedef l_ulong l_ino_t;
76 typedef l_int l_key_t;
77 typedef l_longlong l_loff_t;
78 typedef l_ushort l_mode_t;
79 typedef l_long l_off_t;
80 typedef l_int l_pid_t;
81 typedef l_uint l_size_t;
82 typedef l_long l_suseconds_t;
83 typedef l_long l_time_t;
84 typedef l_uint l_uid_t;
85 typedef l_ushort l_uid16_t;
86 typedef l_int l_timer_t;
87 typedef l_int l_mqd_t;
88
89 typedef struct {
90 l_int val[2];
91 } l_fsid_t;
92
93 typedef struct {
94 l_time_t tv_sec;
95 l_suseconds_t tv_usec;
96 } l_timeval;
97
98 #define l_fd_set fd_set
99
100 /*
101 * Miscellaneous
102 */
103 #define LINUX_NAME_MAX 255
104 #define LINUX_MAX_UTSNAME 65
105
106 #define LINUX_CTL_MAXNAME 10
107
108 #define LINUX_AT_COUNT 16 /* Count of used aux entry types.
109 * Keep this synchronized with
110 * elf_linux_fixup() code.
111 */
112 struct l___sysctl_args
113 {
114 l_int *name;
115 l_int nlen;
116 void *oldval;
117 l_size_t *oldlenp;
118 void *newval;
119 l_size_t newlen;
120 l_ulong __spare[4];
121 };
122
123 /* Scheduling policies */
124 #define LINUX_SCHED_OTHER 0
125 #define LINUX_SCHED_FIFO 1
126 #define LINUX_SCHED_RR 2
127
128 /* Resource limits */
129 #define LINUX_RLIMIT_CPU 0
130 #define LINUX_RLIMIT_FSIZE 1
131 #define LINUX_RLIMIT_DATA 2
132 #define LINUX_RLIMIT_STACK 3
133 #define LINUX_RLIMIT_CORE 4
134 #define LINUX_RLIMIT_RSS 5
135 #define LINUX_RLIMIT_NPROC 6
136 #define LINUX_RLIMIT_NOFILE 7
137 #define LINUX_RLIMIT_MEMLOCK 8
138 #define LINUX_RLIMIT_AS 9 /* Address space limit */
139
140 #define LINUX_RLIM_NLIMITS 10
141
142 struct l_rlimit {
143 l_ulong rlim_cur;
144 l_ulong rlim_max;
145 };
146
147 /* mmap options */
148 #define LINUX_MAP_SHARED 0x0001
149 #define LINUX_MAP_PRIVATE 0x0002
150 #define LINUX_MAP_FIXED 0x0010
151 #define LINUX_MAP_ANON 0x0020
152 #define LINUX_MAP_GROWSDOWN 0x0100
153
154 struct l_mmap_argv {
155 l_uintptr_t addr;
156 l_size_t len;
157 l_int prot;
158 l_int flags;
159 l_int fd;
160 l_off_t pgoff;
161 } __packed;
162
163 /*
164 * stat family of syscalls
165 */
166 struct l_timespec {
167 l_time_t tv_sec;
168 l_long tv_nsec;
169 };
170
171 struct l_newstat {
172 l_ushort st_dev;
173 l_ushort __pad1;
174 l_ulong st_ino;
175 l_ushort st_mode;
176 l_ushort st_nlink;
177 l_ushort st_uid;
178 l_ushort st_gid;
179 l_ushort st_rdev;
180 l_ushort __pad2;
181 l_ulong st_size;
182 l_ulong st_blksize;
183 l_ulong st_blocks;
184 struct l_timespec st_atim;
185 struct l_timespec st_mtim;
186 struct l_timespec st_ctim;
187 l_ulong __unused4;
188 l_ulong __unused5;
189 };
190
191 struct l_stat {
192 l_ushort st_dev;
193 l_ulong st_ino;
194 l_ushort st_mode;
195 l_ushort st_nlink;
196 l_ushort st_uid;
197 l_ushort st_gid;
198 l_ushort st_rdev;
199 l_long st_size;
200 struct l_timespec st_atim;
201 struct l_timespec st_mtim;
202 struct l_timespec st_ctim;
203 l_long st_blksize;
204 l_long st_blocks;
205 l_ulong st_flags;
206 l_ulong st_gen;
207 };
208
209 struct l_stat64 {
210 l_ushort st_dev;
211 u_char __pad0[10];
212 l_ulong __st_ino;
213 l_uint st_mode;
214 l_uint st_nlink;
215 l_ulong st_uid;
216 l_ulong st_gid;
217 l_ushort st_rdev;
218 u_char __pad3[10];
219 l_longlong st_size;
220 l_ulong st_blksize;
221 l_ulong st_blocks;
222 l_ulong __pad4;
223 struct l_timespec st_atim;
224 struct l_timespec st_mtim;
225 struct l_timespec st_ctim;
226 l_ulonglong st_ino;
227 };
228
229 struct l_statfs64 {
230 l_int f_type;
231 l_int f_bsize;
232 uint64_t f_blocks;
233 uint64_t f_bfree;
234 uint64_t f_bavail;
235 uint64_t f_files;
236 uint64_t f_ffree;
237 l_fsid_t f_fsid;
238 l_int f_namelen;
239 l_int f_spare[6];
240 };
241
242 struct l_new_utsname {
243 char sysname[LINUX_MAX_UTSNAME];
244 char nodename[LINUX_MAX_UTSNAME];
245 char release[LINUX_MAX_UTSNAME];
246 char version[LINUX_MAX_UTSNAME];
247 char machine[LINUX_MAX_UTSNAME];
248 char domainname[LINUX_MAX_UTSNAME];
249 };
250
251 /*
252 * Signalling
253 */
254 #define LINUX_SIGHUP 1
255 #define LINUX_SIGINT 2
256 #define LINUX_SIGQUIT 3
257 #define LINUX_SIGILL 4
258 #define LINUX_SIGTRAP 5
259 #define LINUX_SIGABRT 6
260 #define LINUX_SIGIOT LINUX_SIGABRT
261 #define LINUX_SIGBUS 7
262 #define LINUX_SIGFPE 8
263 #define LINUX_SIGKILL 9
264 #define LINUX_SIGUSR1 10
265 #define LINUX_SIGSEGV 11
266 #define LINUX_SIGUSR2 12
267 #define LINUX_SIGPIPE 13
268 #define LINUX_SIGALRM 14
269 #define LINUX_SIGTERM 15
270 #define LINUX_SIGSTKFLT 16
271 #define LINUX_SIGCHLD 17
272 #define LINUX_SIGCONT 18
273 #define LINUX_SIGSTOP 19
274 #define LINUX_SIGTSTP 20
275 #define LINUX_SIGTTIN 21
276 #define LINUX_SIGTTOU 22
277 #define LINUX_SIGURG 23
278 #define LINUX_SIGXCPU 24
279 #define LINUX_SIGXFSZ 25
280 #define LINUX_SIGVTALRM 26
281 #define LINUX_SIGPROF 27
282 #define LINUX_SIGWINCH 28
283 #define LINUX_SIGIO 29
284 #define LINUX_SIGPOLL LINUX_SIGIO
285 #define LINUX_SIGPWR 30
286 #define LINUX_SIGSYS 31
287 #define LINUX_SIGRTMIN 32
288
289 #define LINUX_SIGTBLSZ 31
290 #define LINUX_NSIG_WORDS 2
291 #define LINUX_NBPW 32
292 #define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
293
294 /* sigaction flags */
295 #define LINUX_SA_NOCLDSTOP 0x00000001
296 #define LINUX_SA_NOCLDWAIT 0x00000002
297 #define LINUX_SA_SIGINFO 0x00000004
298 #define LINUX_SA_RESTORER 0x04000000
299 #define LINUX_SA_ONSTACK 0x08000000
300 #define LINUX_SA_RESTART 0x10000000
301 #define LINUX_SA_INTERRUPT 0x20000000
302 #define LINUX_SA_NOMASK 0x40000000
303 #define LINUX_SA_ONESHOT 0x80000000
304
305 /* sigprocmask actions */
306 #define LINUX_SIG_BLOCK 0
307 #define LINUX_SIG_UNBLOCK 1
308 #define LINUX_SIG_SETMASK 2
309
310 /* sigset_t macros */
311 #define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
312 #define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
313 #define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
314
315 /* sigaltstack */
316 #define LINUX_MINSIGSTKSZ 2048
317 #define LINUX_SS_ONSTACK 1
318 #define LINUX_SS_DISABLE 2
319
320 int linux_to_bsd_sigaltstack(int lsa);
321 int bsd_to_linux_sigaltstack(int bsa);
322
323 typedef void (*l_handler_t)(l_int);
324 typedef l_ulong l_osigset_t;
325
326 typedef struct {
327 l_uint __bits[LINUX_NSIG_WORDS];
328 } l_sigset_t;
329
330 typedef struct {
331 l_handler_t lsa_handler;
332 l_osigset_t lsa_mask;
333 l_ulong lsa_flags;
334 void (*lsa_restorer)(void);
335 } l_osigaction_t;
336
337 typedef struct {
338 l_handler_t lsa_handler;
339 l_ulong lsa_flags;
340 void (*lsa_restorer)(void);
341 l_sigset_t lsa_mask;
342 } l_sigaction_t;
343
344 typedef struct {
345 void *ss_sp;
346 l_int ss_flags;
347 l_size_t ss_size;
348 } l_stack_t;
349
350 /* The Linux sigcontext, pretty much a standard 386 trapframe. */
351 struct l_sigcontext {
352 l_int sc_gs;
353 l_int sc_fs;
354 l_int sc_es;
355 l_int sc_ds;
356 l_int sc_edi;
357 l_int sc_esi;
358 l_int sc_ebp;
359 l_int sc_esp;
360 l_int sc_ebx;
361 l_int sc_edx;
362 l_int sc_ecx;
363 l_int sc_eax;
364 l_int sc_trapno;
365 l_int sc_err;
366 l_int sc_eip;
367 l_int sc_cs;
368 l_int sc_eflags;
369 l_int sc_esp_at_signal;
370 l_int sc_ss;
371 l_int sc_387;
372 l_int sc_mask;
373 l_int sc_cr2;
374 };
375
376 struct l_ucontext {
377 l_ulong uc_flags;
378 void *uc_link;
379 l_stack_t uc_stack;
380 struct l_sigcontext uc_mcontext;
381 l_sigset_t uc_sigmask;
382 };
383
384 #define LINUX_SI_MAX_SIZE 128
385 #define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
386
387 typedef union l_sigval {
388 l_int sival_int;
389 l_uintptr_t sival_ptr;
390 } l_sigval_t;
391
392 typedef struct l_siginfo {
393 l_int lsi_signo;
394 l_int lsi_errno;
395 l_int lsi_code;
396 union {
397 l_int _pad[LINUX_SI_PAD_SIZE];
398
399 struct {
400 l_pid_t _pid;
401 l_uid_t _uid;
402 } _kill;
403
404 struct {
405 l_timer_t _tid;
406 l_int _overrun;
407 char _pad[sizeof(l_uid_t) - sizeof(l_int)];
408 l_sigval_t _sigval;
409 l_int _sys_private;
410 } _timer;
411
412 struct {
413 l_pid_t _pid; /* sender's pid */
414 l_uid_t _uid; /* sender's uid */
415 l_sigval_t _sigval;
416 } _rt;
417
418 struct {
419 l_pid_t _pid; /* which child */
420 l_uid_t _uid; /* sender's uid */
421 l_int _status; /* exit code */
422 l_clock_t _utime;
423 l_clock_t _stime;
424 } _sigchld;
425
426 struct {
427 l_uintptr_t _addr; /* Faulting insn/memory ref. */
428 } _sigfault;
429
430 struct {
431 l_long _band; /* POLL_IN,POLL_OUT,POLL_MSG */
432 l_int _fd;
433 } _sigpoll;
434 } _sifields;
435 } l_siginfo_t;
436
437 #define lsi_pid _sifields._kill._pid
438 #define lsi_uid _sifields._kill._uid
439 #define lsi_tid _sifields._timer._tid
440 #define lsi_overrun _sifields._timer._overrun
441 #define lsi_sys_private _sifields._timer._sys_private
442 #define lsi_status _sifields._sigchld._status
443 #define lsi_utime _sifields._sigchld._utime
444 #define lsi_stime _sifields._sigchld._stime
445 #define lsi_value _sifields._rt._sigval
446 #define lsi_int _sifields._rt._sigval.sival_int
447 #define lsi_ptr _sifields._rt._sigval.sival_ptr
448 #define lsi_addr _sifields._sigfault._addr
449 #define lsi_band _sifields._sigpoll._band
450 #define lsi_fd _sifields._sigpoll._fd
451
452 struct l_fpreg {
453 u_int16_t significand[4];
454 u_int16_t exponent;
455 };
456
457 struct l_fpxreg {
458 u_int16_t significand[4];
459 u_int16_t exponent;
460 u_int16_t padding[3];
461 };
462
463 struct l_xmmreg {
464 u_int32_t element[4];
465 };
466
467 struct l_fpstate {
468 /* Regular FPU environment */
469 u_int32_t cw;
470 u_int32_t sw;
471 u_int32_t tag;
472 u_int32_t ipoff;
473 u_int32_t cssel;
474 u_int32_t dataoff;
475 u_int32_t datasel;
476 struct l_fpreg _st[8];
477 u_int16_t status;
478 u_int16_t magic; /* 0xffff = regular FPU data */
479
480 /* FXSR FPU environment */
481 u_int32_t _fxsr_env[6]; /* env is ignored. */
482 u_int32_t mxcsr;
483 u_int32_t reserved;
484 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored. */
485 struct l_xmmreg _xmm[8];
486 u_int32_t padding[56];
487 };
488
489 /*
490 * We make the stack look like Linux expects it when calling a signal
491 * handler, but use the BSD way of calling the handler and sigreturn().
492 * This means that we need to pass the pointer to the handler too.
493 * It is appended to the frame to not interfere with the rest of it.
494 */
495 struct l_sigframe {
496 l_int sf_sig;
497 struct l_sigcontext sf_sc;
498 struct l_fpstate sf_fpstate;
499 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
500 l_handler_t sf_handler;
501 };
502
503 struct l_rt_sigframe {
504 l_int sf_sig;
505 l_siginfo_t *sf_siginfo;
506 struct l_ucontext *sf_ucontext;
507 l_siginfo_t sf_si;
508 struct l_ucontext sf_sc;
509 l_handler_t sf_handler;
510 };
511
512 extern int bsd_to_linux_signal[];
513 extern int linux_to_bsd_signal[];
514 extern struct sysentvec linux_sysvec;
515 extern struct sysentvec elf_linux_sysvec;
516
517 /*
518 * Pluggable ioctl handlers
519 */
520 struct linux_ioctl_args;
521 struct thread;
522
523 typedef int linux_ioctl_function_t(struct thread *, struct linux_ioctl_args *);
524
525 struct linux_ioctl_handler {
526 linux_ioctl_function_t *func;
527 int low, high;
528 };
529
530 int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
531 int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
532
533 /*
534 * open/fcntl flags
535 */
536 #define LINUX_O_RDONLY 00000000
537 #define LINUX_O_WRONLY 00000001
538 #define LINUX_O_RDWR 00000002
539 #define LINUX_O_ACCMODE 00000003
540 #define LINUX_O_CREAT 00000100
541 #define LINUX_O_EXCL 00000200
542 #define LINUX_O_NOCTTY 00000400
543 #define LINUX_O_TRUNC 00001000
544 #define LINUX_O_APPEND 00002000
545 #define LINUX_O_NONBLOCK 00004000
546 #define LINUX_O_NDELAY LINUX_O_NONBLOCK
547 #define LINUX_O_SYNC 00010000
548 #define LINUX_FASYNC 00020000
549 #define LINUX_O_DIRECT 00040000 /* Direct disk access hint */
550 #define LINUX_O_LARGEFILE 00100000
551 #define LINUX_O_DIRECTORY 00200000 /* Must be a directory */
552 #define LINUX_O_NOFOLLOW 00400000 /* Do not follow links */
553 #define LINUX_O_NOATIME 01000000
554 #define LINUX_O_CLOEXEC 02000000
555
556 #define LINUX_F_DUPFD 0
557 #define LINUX_F_GETFD 1
558 #define LINUX_F_SETFD 2
559 #define LINUX_F_GETFL 3
560 #define LINUX_F_SETFL 4
561 #define LINUX_F_GETLK 5
562 #define LINUX_F_SETLK 6
563 #define LINUX_F_SETLKW 7
564 #define LINUX_F_SETOWN 8
565 #define LINUX_F_GETOWN 9
566
567 #define LINUX_F_GETLK64 12
568 #define LINUX_F_SETLK64 13
569 #define LINUX_F_SETLKW64 14
570
571 #define LINUX_F_RDLCK 0
572 #define LINUX_F_WRLCK 1
573 #define LINUX_F_UNLCK 2
574
575 /*
576 * mount flags
577 */
578 #define LINUX_MS_RDONLY 0x0001
579 #define LINUX_MS_NOSUID 0x0002
580 #define LINUX_MS_NODEV 0x0004
581 #define LINUX_MS_NOEXEC 0x0008
582 #define LINUX_MS_REMOUNT 0x0020
583
584 /*
585 * SystemV IPC defines
586 */
587 #define LINUX_SEMOP 1
588 #define LINUX_SEMGET 2
589 #define LINUX_SEMCTL 3
590 #define LINUX_MSGSND 11
591 #define LINUX_MSGRCV 12
592 #define LINUX_MSGGET 13
593 #define LINUX_MSGCTL 14
594 #define LINUX_SHMAT 21
595 #define LINUX_SHMDT 22
596 #define LINUX_SHMGET 23
597 #define LINUX_SHMCTL 24
598
599 #define LINUX_IPC_RMID 0
600 #define LINUX_IPC_SET 1
601 #define LINUX_IPC_STAT 2
602 #define LINUX_IPC_INFO 3
603
604 #define LINUX_SHM_LOCK 11
605 #define LINUX_SHM_UNLOCK 12
606 #define LINUX_SHM_STAT 13
607 #define LINUX_SHM_INFO 14
608
609 #define LINUX_SHM_RDONLY 0x1000
610 #define LINUX_SHM_RND 0x2000
611 #define LINUX_SHM_REMAP 0x4000
612
613 /* semctl commands */
614 #define LINUX_GETPID 11
615 #define LINUX_GETVAL 12
616 #define LINUX_GETALL 13
617 #define LINUX_GETNCNT 14
618 #define LINUX_GETZCNT 15
619 #define LINUX_SETVAL 16
620 #define LINUX_SETALL 17
621 #define LINUX_SEM_STAT 18
622 #define LINUX_SEM_INFO 19
623
624 union l_semun {
625 l_int val;
626 struct l_semid_ds *buf;
627 l_ushort *array;
628 struct l_seminfo *__buf;
629 void *__pad;
630 };
631
632 /*
633 * Socket defines
634 */
635 #define LINUX_SOCKET 1
636 #define LINUX_BIND 2
637 #define LINUX_CONNECT 3
638 #define LINUX_LISTEN 4
639 #define LINUX_ACCEPT 5
640 #define LINUX_GETSOCKNAME 6
641 #define LINUX_GETPEERNAME 7
642 #define LINUX_SOCKETPAIR 8
643 #define LINUX_SEND 9
644 #define LINUX_RECV 10
645 #define LINUX_SENDTO 11
646 #define LINUX_RECVFROM 12
647 #define LINUX_SHUTDOWN 13
648 #define LINUX_SETSOCKOPT 14
649 #define LINUX_GETSOCKOPT 15
650 #define LINUX_SENDMSG 16
651 #define LINUX_RECVMSG 17
652 #define LINUX_ACCEPT4 18
653
654 #define LINUX_SOL_SOCKET 1
655 #define LINUX_SOL_IP 0
656 #define LINUX_SOL_IPX 256
657 #define LINUX_SOL_AX25 257
658 #define LINUX_SOL_TCP 6
659 #define LINUX_SOL_UDP 17
660
661 #define LINUX_SO_DEBUG 1
662 #define LINUX_SO_REUSEADDR 2
663 #define LINUX_SO_TYPE 3
664 #define LINUX_SO_ERROR 4
665 #define LINUX_SO_DONTROUTE 5
666 #define LINUX_SO_BROADCAST 6
667 #define LINUX_SO_SNDBUF 7
668 #define LINUX_SO_RCVBUF 8
669 #define LINUX_SO_KEEPALIVE 9
670 #define LINUX_SO_OOBINLINE 10
671 #define LINUX_SO_NO_CHECK 11
672 #define LINUX_SO_PRIORITY 12
673 #define LINUX_SO_LINGER 13
674 #define LINUX_SO_PEERCRED 17
675 #define LINUX_SO_RCVLOWAT 18
676 #define LINUX_SO_SNDLOWAT 19
677 #define LINUX_SO_RCVTIMEO 20
678 #define LINUX_SO_SNDTIMEO 21
679 #define LINUX_SO_TIMESTAMP 29
680 #define LINUX_SO_ACCEPTCONN 30
681
682 #define LINUX_IP_TOS 1
683 #define LINUX_IP_TTL 2
684 #define LINUX_IP_HDRINCL 3
685 #define LINUX_IP_OPTIONS 4
686
687 #define LINUX_IP_MULTICAST_IF 32
688 #define LINUX_IP_MULTICAST_TTL 33
689 #define LINUX_IP_MULTICAST_LOOP 34
690 #define LINUX_IP_ADD_MEMBERSHIP 35
691 #define LINUX_IP_DROP_MEMBERSHIP 36
692
693 struct l_sockaddr {
694 l_ushort sa_family;
695 char sa_data[14];
696 };
697
698 struct l_msghdr {
699 l_uintptr_t msg_name;
700 l_int msg_namelen;
701 l_uintptr_t msg_iov;
702 l_size_t msg_iovlen;
703 l_uintptr_t msg_control;
704 l_size_t msg_controllen;
705 l_uint msg_flags;
706 };
707
708 struct l_cmsghdr {
709 l_size_t cmsg_len;
710 l_int cmsg_level;
711 l_int cmsg_type;
712 };
713
714 struct l_ifmap {
715 l_ulong mem_start;
716 l_ulong mem_end;
717 l_ushort base_addr;
718 u_char irq;
719 u_char dma;
720 u_char port;
721 };
722
723 #define LINUX_IFHWADDRLEN 6
724 #define LINUX_IFNAMSIZ 16
725
726 struct l_ifreq {
727 union {
728 char ifrn_name[LINUX_IFNAMSIZ];
729 } ifr_ifrn;
730
731 union {
732 struct l_sockaddr ifru_addr;
733 struct l_sockaddr ifru_dstaddr;
734 struct l_sockaddr ifru_broadaddr;
735 struct l_sockaddr ifru_netmask;
736 struct l_sockaddr ifru_hwaddr;
737 l_short ifru_flags[1];
738 l_int ifru_metric;
739 l_int ifru_mtu;
740 struct l_ifmap ifru_map;
741 char ifru_slave[LINUX_IFNAMSIZ];
742 l_caddr_t ifru_data;
743 } ifr_ifru;
744 };
745
746 #define ifr_name ifr_ifrn.ifrn_name /* Interface name */
747 #define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
748
749 /*
750 * poll()
751 */
752 #define LINUX_POLLIN 0x0001
753 #define LINUX_POLLPRI 0x0002
754 #define LINUX_POLLOUT 0x0004
755 #define LINUX_POLLERR 0x0008
756 #define LINUX_POLLHUP 0x0010
757 #define LINUX_POLLNVAL 0x0020
758 #define LINUX_POLLRDNORM 0x0040
759 #define LINUX_POLLRDBAND 0x0080
760 #define LINUX_POLLWRNORM 0x0100
761 #define LINUX_POLLWRBAND 0x0200
762 #define LINUX_POLLMSG 0x0400
763
764 struct l_pollfd {
765 l_int fd;
766 l_short events;
767 l_short revents;
768 };
769
770 struct l_user_desc {
771 l_uint entry_number;
772 l_uint base_addr;
773 l_uint limit;
774 l_uint seg_32bit:1;
775 l_uint contents:2;
776 l_uint read_exec_only:1;
777 l_uint limit_in_pages:1;
778 l_uint seg_not_present:1;
779 l_uint useable:1;
780 };
781
782 struct l_desc_struct {
783 unsigned long a, b;
784 };
785
786
787 #define LINUX_LOWERWORD 0x0000ffff
788
789 /*
790 * Macros which does the same thing as those in Linux include/asm-um/ldt-i386.h.
791 * These convert Linux user space descriptor to machine one.
792 */
793 #define LINUX_LDT_entry_a(info) \
794 ((((info)->base_addr & LINUX_LOWERWORD) << 16) | \
795 ((info)->limit & LINUX_LOWERWORD))
796
797 #define LINUX_ENTRY_B_READ_EXEC_ONLY 9
798 #define LINUX_ENTRY_B_CONTENTS 10
799 #define LINUX_ENTRY_B_SEG_NOT_PRESENT 15
800 #define LINUX_ENTRY_B_BASE_ADDR 16
801 #define LINUX_ENTRY_B_USEABLE 20
802 #define LINUX_ENTRY_B_SEG32BIT 22
803 #define LINUX_ENTRY_B_LIMIT 23
804
805 #define LINUX_LDT_entry_b(info) \
806 (((info)->base_addr & 0xff000000) | \
807 ((info)->limit & 0xf0000) | \
808 ((info)->contents << LINUX_ENTRY_B_CONTENTS) | \
809 (((info)->seg_not_present == 0) << LINUX_ENTRY_B_SEG_NOT_PRESENT) | \
810 (((info)->base_addr & 0x00ff0000) >> LINUX_ENTRY_B_BASE_ADDR) | \
811 (((info)->read_exec_only == 0) << LINUX_ENTRY_B_READ_EXEC_ONLY) | \
812 ((info)->seg_32bit << LINUX_ENTRY_B_SEG32BIT) | \
813 ((info)->useable << LINUX_ENTRY_B_USEABLE) | \
814 ((info)->limit_in_pages << LINUX_ENTRY_B_LIMIT) | 0x7000)
815
816 #define LINUX_LDT_empty(info) \
817 ((info)->base_addr == 0 && \
818 (info)->limit == 0 && \
819 (info)->contents == 0 && \
820 (info)->seg_not_present == 1 && \
821 (info)->read_exec_only == 1 && \
822 (info)->seg_32bit == 0 && \
823 (info)->limit_in_pages == 0 && \
824 (info)->useable == 0)
825
826 /*
827 * Macros for converting segments.
828 * They do the same as those in arch/i386/kernel/process.c in Linux.
829 */
830 #define LINUX_GET_BASE(desc) \
831 ((((desc)->a >> 16) & LINUX_LOWERWORD) | \
832 (((desc)->b << 16) & 0x00ff0000) | \
833 ((desc)->b & 0xff000000))
834
835 #define LINUX_GET_LIMIT(desc) \
836 (((desc)->a & LINUX_LOWERWORD) | \
837 ((desc)->b & 0xf0000))
838
839 #define LINUX_GET_32BIT(desc) \
840 (((desc)->b >> LINUX_ENTRY_B_SEG32BIT) & 1)
841 #define LINUX_GET_CONTENTS(desc) \
842 (((desc)->b >> LINUX_ENTRY_B_CONTENTS) & 3)
843 #define LINUX_GET_WRITABLE(desc) \
844 (((desc)->b >> LINUX_ENTRY_B_READ_EXEC_ONLY) & 1)
845 #define LINUX_GET_LIMIT_PAGES(desc) \
846 (((desc)->b >> LINUX_ENTRY_B_LIMIT) & 1)
847 #define LINUX_GET_PRESENT(desc) \
848 (((desc)->b >> LINUX_ENTRY_B_SEG_NOT_PRESENT) & 1)
849 #define LINUX_GET_USEABLE(desc) \
850 (((desc)->b >> LINUX_ENTRY_B_USEABLE) & 1)
851
852 #define LINUX_CLOCK_REALTIME 0
853 #define LINUX_CLOCK_MONOTONIC 1
854 #define LINUX_CLOCK_PROCESS_CPUTIME_ID 2
855 #define LINUX_CLOCK_THREAD_CPUTIME_ID 3
856 #define LINUX_CLOCK_REALTIME_HR 4
857 #define LINUX_CLOCK_MONOTONIC_HR 5
858
859 #define LINUX_CLONE_VM 0x00000100
860 #define LINUX_CLONE_FS 0x00000200
861 #define LINUX_CLONE_FILES 0x00000400
862 #define LINUX_CLONE_SIGHAND 0x00000800
863 #define LINUX_CLONE_PID 0x00001000 /* No longer exist in Linux */
864 #define LINUX_CLONE_VFORK 0x00004000
865 #define LINUX_CLONE_PARENT 0x00008000
866 #define LINUX_CLONE_THREAD 0x00010000
867 #define LINUX_CLONE_SETTLS 0x00080000
868 #define LINUX_CLONE_PARENT_SETTID 0x00100000
869 #define LINUX_CLONE_CHILD_CLEARTID 0x00200000
870 #define LINUX_CLONE_CHILD_SETTID 0x01000000
871
872 #define LINUX_THREADING_FLAGS \
873 (LINUX_CLONE_VM | LINUX_CLONE_FS | LINUX_CLONE_FILES | \
874 LINUX_CLONE_SIGHAND | LINUX_CLONE_THREAD)
875
876 /* robust futexes */
877 struct linux_robust_list {
878 struct linux_robust_list *next;
879 };
880
881 struct linux_robust_list_head {
882 struct linux_robust_list list;
883 l_long futex_offset;
884 struct linux_robust_list *pending_list;
885 };
886
887 int linux_set_upcall_kse(struct thread *td, register_t stack);
888 int linux_set_cloned_tls(struct thread *td, void *desc);
889
890 #endif /* !_I386_LINUX_H_ */
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