1/*-
2 * Copyright (c) 1994-1996 S�ren 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: head/sys/i386/linux/linux.h 83221 2001-09-08 19:07:04Z marcel $
29 */
30
31#ifndef _I386_LINUX_LINUX_H_
32#define _I386_LINUX_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 */
41extern 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)p->p_pid
44#define LMSG(fmt) "linux(%ld): "fmt"\n", (long)p->p_pid
45
46#ifdef MALLOC_DECLARE
47MALLOC_DECLARE(M_LINUX);
48#endif
49
50/*
51 * Provide a seperate set of types for the Linux types.
52 */
53typedef int l_int;
54typedef int32_t l_long;
55typedef int64_t l_longlong;
56typedef short l_short;
57typedef unsigned int l_uint;
58typedef uint32_t l_ulong;
59typedef uint64_t l_ulonglong;
60typedef unsigned short l_ushort;
61
62typedef char *l_caddr_t;
63typedef l_long l_clock_t;
64typedef l_int l_daddr_t;
65typedef l_ushort l_dev_t;
66typedef l_uint l_gid_t;
67typedef l_ushort l_gid16_t;
68typedef l_ulong l_ino_t;
69typedef l_int l_key_t;
70typedef l_longlong l_loff_t;
71typedef l_ushort l_mode_t;
72typedef l_long l_off_t;
73typedef l_int l_pid_t;
74typedef l_uint l_size_t;
75typedef l_long l_suseconds_t;
76typedef l_long l_time_t;
77typedef l_uint l_uid_t;
78typedef l_ushort l_uid16_t;
79
80typedef struct {
81 l_int val[2];
82} l_fsid_t;
83
84typedef struct {
85 l_time_t tv_sec;
86 l_suseconds_t tv_usec;
87} l_timeval;
88
89#define l_fd_set fd_set
90
91/*
92 * Miscellaneous
93 */
94#define LINUX_NAME_MAX 255
95#define LINUX_MAX_UTSNAME 65
96
97#define LINUX_CTL_MAXNAME 10
98
99struct l___sysctl_args
100{
101 l_int *name;
102 l_int nlen;
103 void *oldval;
104 l_size_t *oldlenp;
105 void *newval;
106 l_size_t newlen;
107 l_ulong __spare[4];
108};
109
110/* Scheduling policies */
111#define LINUX_SCHED_OTHER 0
112#define LINUX_SCHED_FIFO 1
113#define LINUX_SCHED_RR 2
114
115/* Resource limits */
116#define LINUX_RLIMIT_CPU 0
117#define LINUX_RLIMIT_FSIZE 1
118#define LINUX_RLIMIT_DATA 2
119#define LINUX_RLIMIT_STACK 3
120#define LINUX_RLIMIT_CORE 4
121#define LINUX_RLIMIT_RSS 5
122#define LINUX_RLIMIT_NPROC 6
123#define LINUX_RLIMIT_NOFILE 7
124#define LINUX_RLIMIT_MEMLOCK 8
125#define LINUX_RLIMIT_AS 9 /* address space limit */
126
127#define LINUX_RLIM_NLIMITS 10
128
129struct l_rlimit {
130 l_ulong rlim_cur;
131 l_ulong rlim_max;
132};
133
134/* mmap options */
135#define LINUX_MAP_SHARED 0x0001
136#define LINUX_MAP_PRIVATE 0x0002
137#define LINUX_MAP_FIXED 0x0010
138#define LINUX_MAP_ANON 0x0020
139#define LINUX_MAP_GROWSDOWN 0x0100
140
141/*
142 * stat family of syscalls
143 */
144struct l_timespec {
145 l_ulong tv_sec;
146 l_ulong tv_nsec;
147};
148
149struct l_newstat {
150 l_ushort st_dev;
151 l_ushort __pad1;
152 l_ulong st_ino;
153 l_ushort st_mode;
154 l_ushort st_nlink;
155 l_ushort st_uid;
156 l_ushort st_gid;
157 l_ushort st_rdev;
158 l_ushort __pad2;
159 l_ulong st_size;
160 l_ulong st_blksize;
161 l_ulong st_blocks;
162 struct l_timespec st_atimespec;
163 struct l_timespec st_mtimespec;
164 struct l_timespec st_ctimespec;
165 l_ulong __unused4;
166 l_ulong __unused5;
167};
168
169struct l_stat64 {
170 l_ushort st_dev;
171 u_char __pad0[10];
172 l_ulong __st_ino;
173 l_uint st_mode;
174 l_uint st_nlink;
175 l_ulong st_uid;
176 l_ulong st_gid;
177 l_ushort st_rdev;
178 u_char __pad3[10];
179 l_longlong st_size;
180 l_ulong st_blksize;
181 l_ulong st_blocks;
182 l_ulong __pad4;
183 struct l_timespec st_atimespec;
184 struct l_timespec st_mtimespec;
185 struct l_timespec st_ctimespec;
186 l_ulonglong st_ino;
187};
188
189struct l_new_utsname {
190 char sysname[LINUX_MAX_UTSNAME];
191 char nodename[LINUX_MAX_UTSNAME];
192 char release[LINUX_MAX_UTSNAME];
193 char version[LINUX_MAX_UTSNAME];
194 char machine[LINUX_MAX_UTSNAME];
195 char domainname[LINUX_MAX_UTSNAME];
196};
197
198/*
199 * Signalling
200 */
201#define LINUX_SIGHUP 1
202#define LINUX_SIGINT 2
203#define LINUX_SIGQUIT 3
204#define LINUX_SIGILL 4
205#define LINUX_SIGTRAP 5
206#define LINUX_SIGABRT 6
207#define LINUX_SIGIOT LINUX_SIGABRT
208#define LINUX_SIGBUS 7
209#define LINUX_SIGFPE 8
210#define LINUX_SIGKILL 9
211#define LINUX_SIGUSR1 10
212#define LINUX_SIGSEGV 11
213#define LINUX_SIGUSR2 12
214#define LINUX_SIGPIPE 13
215#define LINUX_SIGALRM 14
216#define LINUX_SIGTERM 15
217#define LINUX_SIGSTKFLT 16
218#define LINUX_SIGCHLD 17
219#define LINUX_SIGCONT 18
220#define LINUX_SIGSTOP 19
221#define LINUX_SIGTSTP 20
222#define LINUX_SIGTTIN 21
223#define LINUX_SIGTTOU 22
224#define LINUX_SIGURG 23
225#define LINUX_SIGXCPU 24
226#define LINUX_SIGXFSZ 25
227#define LINUX_SIGVTALRM 26
228#define LINUX_SIGPROF 27
229#define LINUX_SIGWINCH 28
230#define LINUX_SIGIO 29
231#define LINUX_SIGPOLL LINUX_SIGIO
232#define LINUX_SIGPWR 30
233#define LINUX_SIGUNUSED 31
234
235#define LINUX_SIGTBLSZ 31
236#define LINUX_NSIG_WORDS 2
237#define LINUX_NBPW 32
238#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
239
240/* sigaction flags */
241#define LINUX_SA_NOCLDSTOP 0x00000001
242#define LINUX_SA_NOCLDWAIT 0x00000002
243#define LINUX_SA_SIGINFO 0x00000004
244#define LINUX_SA_RESTORER 0x04000000
245#define LINUX_SA_ONSTACK 0x08000000
246#define LINUX_SA_RESTART 0x10000000
247#define LINUX_SA_INTERRUPT 0x20000000
248#define LINUX_SA_NOMASK 0x40000000
249#define LINUX_SA_ONESHOT 0x80000000
250
251/* sigprocmask actions */
252#define LINUX_SIG_BLOCK 0
253#define LINUX_SIG_UNBLOCK 1
254#define LINUX_SIG_SETMASK 2
255
256/* sigset_t macros */
257#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
258#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
259#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
260
261/* sigaltstack */
262#define LINUX_MINSIGSTKSZ 2048
263#define LINUX_SS_ONSTACK 1
264#define LINUX_SS_DISABLE 2
265
266int linux_to_bsd_sigaltstack(int lsa);
267int bsd_to_linux_sigaltstack(int bsa);
268
269typedef void (*l_handler_t)(l_int);
270typedef l_ulong l_osigset_t;
271
272typedef struct {
273 l_uint __bits[LINUX_NSIG_WORDS];
274} l_sigset_t;
275
276typedef struct {
277 l_handler_t lsa_handler;
278 l_osigset_t lsa_mask;
279 l_ulong lsa_flags;
280 void (*lsa_restorer)(void);
281} l_osigaction_t;
282
283typedef struct {
284 l_handler_t lsa_handler;
285 l_ulong lsa_flags;
286 void (*lsa_restorer)(void);
287 l_sigset_t lsa_mask;
288} l_sigaction_t;
289
290typedef struct {
291 void *ss_sp;
292 l_int ss_flags;
293 l_size_t ss_size;
294} l_stack_t;
295
296/* The Linux sigcontext, pretty much a standard 386 trapframe. */
297struct l_sigcontext {
298 l_int sc_gs;
299 l_int sc_fs;
300 l_int sc_es;
301 l_int sc_ds;
302 l_int sc_edi;
303 l_int sc_esi;
304 l_int sc_ebp;
305 l_int sc_esp;
306 l_int sc_ebx;
307 l_int sc_edx;
308 l_int sc_ecx;
309 l_int sc_eax;
310 l_int sc_trapno;
311 l_int sc_err;
312 l_int sc_eip;
313 l_int sc_cs;
314 l_int sc_eflags;
315 l_int sc_esp_at_signal;
316 l_int sc_ss;
317 l_int sc_387;
318 l_int sc_mask;
319 l_int sc_cr2;
320};
321
322struct l_ucontext {
323 l_ulong uc_flags;
324 void *uc_link;
325 l_stack_t uc_stack;
326 struct l_sigcontext uc_mcontext;
327 l_sigset_t uc_sigmask;
328};
329
330#define LINUX_SI_MAX_SIZE 128
331#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
332
333typedef struct l_siginfo {
334 l_int lsi_signo;
335 l_int lsi_errno;
336 l_int lsi_code;
337 union {
338 l_int _pad[LINUX_SI_PAD_SIZE];
339
340 struct {
341 l_pid_t _pid;
342 l_uid16_t _uid;
343 } _kill;
344
345 struct {
346 l_uint _timer1;
347 l_uint _timer2;
348 } _timer;
349
350 struct {
351 l_pid_t _pid; /* sender's pid */
352 l_uid16_t _uid; /* sender's uid */
353 union sigval _sigval;
354 } _rt;
355
356 struct {
357 l_pid_t _pid; /* which child */
358 l_uid16_t _uid; /* sender's uid */
359 l_int _status; /* exit code */
360 l_clock_t _utime;
361 l_clock_t _stime;
362 } _sigchld;
363
364 struct {
365 void *_addr; /* faulting insn/memory ref. */
366 } _sigfault;
367
368 struct {
369 l_int _band; /* POLL_IN,POLL_OUT,POLL_MSG */
370 l_int _fd;
371 } _sigpoll;
372 } _sifields;
373} l_siginfo_t;
374
375#define lsi_pid _sifields._kill._pid
376#define lsi_uid _sifields._kill._uid
377#define lsi_status _sifields._sigchld._status
378#define lsi_utime _sifields._sigchld._utime
379#define lsi_stime _sifields._sigchld._stime
380#define lsi_value _sifields._rt._sigval
381#define lsi_int _sifields._rt._sigval.sival_int
382#define lsi_ptr _sifields._rt._sigval.sival_ptr
383#define lsi_addr _sifields._sigfault._addr
384#define lsi_band _sifields._sigpoll._band
385#define lsi_fd _sifields._sigpoll._fd
386
387struct l_fpreg {
388 u_int16_t significand[4];
389 u_int16_t exponent;
390};
391
392struct l_fpxreg {
393 u_int16_t significand[4];
394 u_int16_t exponent;
395 u_int16_t padding[3];
396};
397
398struct l_xmmreg {
399 u_int32_t element[4];
400};
401
402struct l_fpstate {
403 /* Regular FPU environment */
404 u_int32_t cw;
405 u_int32_t sw;
406 u_int32_t tag;
407 u_int32_t ipoff;
408 u_int32_t cssel;
409 u_int32_t dataoff;
410 u_int32_t datasel;
411 struct l_fpreg _st[8];
412 u_int16_t status;
413 u_int16_t magic; /* 0xffff = regular FPU data */
414
415 /* FXSR FPU environment */
416 u_int32_t _fxsr_env[6]; /* env is ignored */
417 u_int32_t mxcsr;
418 u_int32_t reserved;
419 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored */
420 struct l_xmmreg _xmm[8];
421 u_int32_t padding[56];
422};
423
424/*
425 * We make the stack look like Linux expects it when calling a signal
426 * handler, but use the BSD way of calling the handler and sigreturn().
427 * This means that we need to pass the pointer to the handler too.
428 * It is appended to the frame to not interfere with the rest of it.
429 */
430struct l_sigframe {
431 l_int sf_sig;
432 struct l_sigcontext sf_sc;
433 struct l_fpstate sf_fpstate;
434 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
435 l_handler_t sf_handler;
436};
437
438struct l_rt_sigframe {
439 l_int sf_sig;
440 l_siginfo_t *sf_siginfo;
441 struct l_ucontext *sf_ucontext;
442 l_siginfo_t sf_si;
443 struct l_ucontext sf_sc;
444 l_handler_t sf_handler;
445};
446
447extern int bsd_to_linux_signal[];
448extern int linux_to_bsd_signal[];
449extern struct sysentvec linux_sysvec;
450extern struct sysentvec elf_linux_sysvec;
451
452/*
453 * Pluggable ioctl handlers
454 */
455struct linux_ioctl_args;
456struct proc;
457
458typedef int linux_ioctl_function_t(struct proc *, struct linux_ioctl_args *);
459
460struct linux_ioctl_handler {
461 linux_ioctl_function_t *func;
462 int low, high;
463};
464
465int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
466int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
467
468/*
469 * open/fcntl flags
470 */
471#define LINUX_O_RDONLY 00
472#define LINUX_O_WRONLY 01
473#define LINUX_O_RDWR 02
474#define LINUX_O_CREAT 0100
475#define LINUX_O_EXCL 0200
476#define LINUX_O_NOCTTY 0400
477#define LINUX_O_TRUNC 01000
478#define LINUX_O_APPEND 02000
479#define LINUX_O_NONBLOCK 04000
480#define LINUX_O_NDELAY LINUX_O_NONBLOCK
481#define LINUX_O_SYNC 010000
482#define LINUX_FASYNC 020000
483
484#define LINUX_F_DUPFD 0
485#define LINUX_F_GETFD 1
486#define LINUX_F_SETFD 2
487#define LINUX_F_GETFL 3
488#define LINUX_F_SETFL 4
489#define LINUX_F_GETLK 5
490#define LINUX_F_SETLK 6
491#define LINUX_F_SETLKW 7
492#define LINUX_F_SETOWN 8
493#define LINUX_F_GETOWN 9
494
495#define LINUX_F_RDLCK 0
496#define LINUX_F_WRLCK 1
497#define LINUX_F_UNLCK 2
498
499/*
500 * mount flags
501 */
502#define LINUX_MS_RDONLY 0x0001
503#define LINUX_MS_NOSUID 0x0002
504#define LINUX_MS_NODEV 0x0004
505#define LINUX_MS_NOEXEC 0x0008
506#define LINUX_MS_REMOUNT 0x0020
507
508/*
509 * SystemV IPC defines
510 */
511#define LINUX_SEMOP 1
512#define LINUX_SEMGET 2
513#define LINUX_SEMCTL 3
514#define LINUX_MSGSND 11
515#define LINUX_MSGRCV 12
516#define LINUX_MSGGET 13
517#define LINUX_MSGCTL 14
518#define LINUX_SHMAT 21
519#define LINUX_SHMDT 22
520#define LINUX_SHMGET 23
521#define LINUX_SHMCTL 24
522
523#define LINUX_IPC_RMID 0
524#define LINUX_IPC_SET 1
525#define LINUX_IPC_STAT 2
526#define LINUX_IPC_INFO 3
527
528#define LINUX_SHM_LOCK 11
529#define LINUX_SHM_UNLOCK 12
530#define LINUX_SHM_STAT 13
531#define LINUX_SHM_INFO 14
532
533#define LINUX_SHM_RDONLY 0x1000
534#define LINUX_SHM_RND 0x2000
535#define LINUX_SHM_REMAP 0x4000
536
537/* semctl commands */
538#define LINUX_GETPID 11
539#define LINUX_GETVAL 12
540#define LINUX_GETALL 13
541#define LINUX_GETNCNT 14
542#define LINUX_GETZCNT 15
543#define LINUX_SETVAL 16
544#define LINUX_SETALL 17
545
546union l_semun {
547 l_int val;
548 struct l_semid_ds *buf;
549 l_ushort *array;
550 struct l_seminfo *__buf;
551 void *__pad;
552};
553
554/*
555 * Socket defines
556 */
557#define LINUX_SOCKET 1
558#define LINUX_BIND 2
559#define LINUX_CONNECT 3
560#define LINUX_LISTEN 4
561#define LINUX_ACCEPT 5
562#define LINUX_GETSOCKNAME 6
563#define LINUX_GETPEERNAME 7
564#define LINUX_SOCKETPAIR 8
565#define LINUX_SEND 9
566#define LINUX_RECV 10
567#define LINUX_SENDTO 11
568#define LINUX_RECVFROM 12
569#define LINUX_SHUTDOWN 13
570#define LINUX_SETSOCKOPT 14
571#define LINUX_GETSOCKOPT 15
572#define LINUX_SENDMSG 16
573#define LINUX_RECVMSG 17
574
575#define LINUX_AF_UNSPEC 0
576#define LINUX_AF_UNIX 1
577#define LINUX_AF_INET 2
578#define LINUX_AF_AX25 3
579#define LINUX_AF_IPX 4
580#define LINUX_AF_APPLETALK 5
581
582#define LINUX_SOL_SOCKET 1
583#define LINUX_SOL_IP 0
584#define LINUX_SOL_IPX 256
585#define LINUX_SOL_AX25 257
586#define LINUX_SOL_TCP 6
587#define LINUX_SOL_UDP 17
588
589#define LINUX_SO_DEBUG 1
590#define LINUX_SO_REUSEADDR 2
591#define LINUX_SO_TYPE 3
592#define LINUX_SO_ERROR 4
593#define LINUX_SO_DONTROUTE 5
594#define LINUX_SO_BROADCAST 6
595#define LINUX_SO_SNDBUF 7
596#define LINUX_SO_RCVBUF 8
597#define LINUX_SO_KEEPALIVE 9
598#define LINUX_SO_OOBINLINE 10
599#define LINUX_SO_NO_CHECK 11
600#define LINUX_SO_PRIORITY 12
601#define LINUX_SO_LINGER 13
602
603#define LINUX_IP_TOS 1
604#define LINUX_IP_TTL 2
605#define LINUX_IP_HDRINCL 3
606#define LINUX_IP_OPTIONS 4
607
608#define LINUX_IP_MULTICAST_IF 32
609#define LINUX_IP_MULTICAST_TTL 33
610#define LINUX_IP_MULTICAST_LOOP 34
611#define LINUX_IP_ADD_MEMBERSHIP 35
612#define LINUX_IP_DROP_MEMBERSHIP 36
613
614struct l_sockaddr {
615 l_ushort sa_family;
616 char sa_data[14];
617};
618
619struct l_ifmap {
620 l_ulong mem_start;
621 l_ulong mem_end;
622 l_ushort base_addr;
623 u_char irq;
624 u_char dma;
625 u_char port;
626};
627
628#define LINUX_IFHWADDRLEN 6
629#define LINUX_IFNAMSIZ 16
630
631struct l_ifreq {
632 union {
633 char ifrn_name[LINUX_IFNAMSIZ];
634 } ifr_ifrn;
635
636 union {
637 struct l_sockaddr ifru_addr;
638 struct l_sockaddr ifru_dstaddr;
639 struct l_sockaddr ifru_broadaddr;
640 struct l_sockaddr ifru_netmask;
641 struct l_sockaddr ifru_hwaddr;
642 l_short ifru_flags;
643 l_int ifru_metric;
644 l_int ifru_mtu;
645 struct l_ifmap ifru_map;
646 char ifru_slave[LINUX_IFNAMSIZ];
647 l_caddr_t ifru_data;
648 } ifr_ifru;
649};
650
651#define ifr_name ifr_ifrn.ifrn_name /* interface name */
652#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
653
654/*
655 * poll()
656 */
657#define LINUX_POLLIN 0x0001
658#define LINUX_POLLPRI 0x0002
659#define LINUX_POLLOUT 0x0004
660#define LINUX_POLLERR 0x0008
661#define LINUX_POLLHUP 0x0010
662#define LINUX_POLLNVAL 0x0020
663#define LINUX_POLLRDNORM 0x0040
664#define LINUX_POLLRDBAND 0x0080
665#define LINUX_POLLWRNORM 0x0100
666#define LINUX_POLLWRBAND 0x0200
667#define LINUX_POLLMSG 0x0400
668
669struct l_pollfd {
670 l_int fd;
671 l_short events;
672 l_short revents;
673};
674
675#endif /* !_I386_LINUX_LINUX_H_ */
2 * Copyright (c) 1994-1996 S�ren 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: head/sys/i386/linux/linux.h 83221 2001-09-08 19:07:04Z marcel $
29 */
30
31#ifndef _I386_LINUX_LINUX_H_
32#define _I386_LINUX_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 */
41extern 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)p->p_pid
44#define LMSG(fmt) "linux(%ld): "fmt"\n", (long)p->p_pid
45
46#ifdef MALLOC_DECLARE
47MALLOC_DECLARE(M_LINUX);
48#endif
49
50/*
51 * Provide a seperate set of types for the Linux types.
52 */
53typedef int l_int;
54typedef int32_t l_long;
55typedef int64_t l_longlong;
56typedef short l_short;
57typedef unsigned int l_uint;
58typedef uint32_t l_ulong;
59typedef uint64_t l_ulonglong;
60typedef unsigned short l_ushort;
61
62typedef char *l_caddr_t;
63typedef l_long l_clock_t;
64typedef l_int l_daddr_t;
65typedef l_ushort l_dev_t;
66typedef l_uint l_gid_t;
67typedef l_ushort l_gid16_t;
68typedef l_ulong l_ino_t;
69typedef l_int l_key_t;
70typedef l_longlong l_loff_t;
71typedef l_ushort l_mode_t;
72typedef l_long l_off_t;
73typedef l_int l_pid_t;
74typedef l_uint l_size_t;
75typedef l_long l_suseconds_t;
76typedef l_long l_time_t;
77typedef l_uint l_uid_t;
78typedef l_ushort l_uid16_t;
79
80typedef struct {
81 l_int val[2];
82} l_fsid_t;
83
84typedef struct {
85 l_time_t tv_sec;
86 l_suseconds_t tv_usec;
87} l_timeval;
88
89#define l_fd_set fd_set
90
91/*
92 * Miscellaneous
93 */
94#define LINUX_NAME_MAX 255
95#define LINUX_MAX_UTSNAME 65
96
97#define LINUX_CTL_MAXNAME 10
98
99struct l___sysctl_args
100{
101 l_int *name;
102 l_int nlen;
103 void *oldval;
104 l_size_t *oldlenp;
105 void *newval;
106 l_size_t newlen;
107 l_ulong __spare[4];
108};
109
110/* Scheduling policies */
111#define LINUX_SCHED_OTHER 0
112#define LINUX_SCHED_FIFO 1
113#define LINUX_SCHED_RR 2
114
115/* Resource limits */
116#define LINUX_RLIMIT_CPU 0
117#define LINUX_RLIMIT_FSIZE 1
118#define LINUX_RLIMIT_DATA 2
119#define LINUX_RLIMIT_STACK 3
120#define LINUX_RLIMIT_CORE 4
121#define LINUX_RLIMIT_RSS 5
122#define LINUX_RLIMIT_NPROC 6
123#define LINUX_RLIMIT_NOFILE 7
124#define LINUX_RLIMIT_MEMLOCK 8
125#define LINUX_RLIMIT_AS 9 /* address space limit */
126
127#define LINUX_RLIM_NLIMITS 10
128
129struct l_rlimit {
130 l_ulong rlim_cur;
131 l_ulong rlim_max;
132};
133
134/* mmap options */
135#define LINUX_MAP_SHARED 0x0001
136#define LINUX_MAP_PRIVATE 0x0002
137#define LINUX_MAP_FIXED 0x0010
138#define LINUX_MAP_ANON 0x0020
139#define LINUX_MAP_GROWSDOWN 0x0100
140
141/*
142 * stat family of syscalls
143 */
144struct l_timespec {
145 l_ulong tv_sec;
146 l_ulong tv_nsec;
147};
148
149struct l_newstat {
150 l_ushort st_dev;
151 l_ushort __pad1;
152 l_ulong st_ino;
153 l_ushort st_mode;
154 l_ushort st_nlink;
155 l_ushort st_uid;
156 l_ushort st_gid;
157 l_ushort st_rdev;
158 l_ushort __pad2;
159 l_ulong st_size;
160 l_ulong st_blksize;
161 l_ulong st_blocks;
162 struct l_timespec st_atimespec;
163 struct l_timespec st_mtimespec;
164 struct l_timespec st_ctimespec;
165 l_ulong __unused4;
166 l_ulong __unused5;
167};
168
169struct l_stat64 {
170 l_ushort st_dev;
171 u_char __pad0[10];
172 l_ulong __st_ino;
173 l_uint st_mode;
174 l_uint st_nlink;
175 l_ulong st_uid;
176 l_ulong st_gid;
177 l_ushort st_rdev;
178 u_char __pad3[10];
179 l_longlong st_size;
180 l_ulong st_blksize;
181 l_ulong st_blocks;
182 l_ulong __pad4;
183 struct l_timespec st_atimespec;
184 struct l_timespec st_mtimespec;
185 struct l_timespec st_ctimespec;
186 l_ulonglong st_ino;
187};
188
189struct l_new_utsname {
190 char sysname[LINUX_MAX_UTSNAME];
191 char nodename[LINUX_MAX_UTSNAME];
192 char release[LINUX_MAX_UTSNAME];
193 char version[LINUX_MAX_UTSNAME];
194 char machine[LINUX_MAX_UTSNAME];
195 char domainname[LINUX_MAX_UTSNAME];
196};
197
198/*
199 * Signalling
200 */
201#define LINUX_SIGHUP 1
202#define LINUX_SIGINT 2
203#define LINUX_SIGQUIT 3
204#define LINUX_SIGILL 4
205#define LINUX_SIGTRAP 5
206#define LINUX_SIGABRT 6
207#define LINUX_SIGIOT LINUX_SIGABRT
208#define LINUX_SIGBUS 7
209#define LINUX_SIGFPE 8
210#define LINUX_SIGKILL 9
211#define LINUX_SIGUSR1 10
212#define LINUX_SIGSEGV 11
213#define LINUX_SIGUSR2 12
214#define LINUX_SIGPIPE 13
215#define LINUX_SIGALRM 14
216#define LINUX_SIGTERM 15
217#define LINUX_SIGSTKFLT 16
218#define LINUX_SIGCHLD 17
219#define LINUX_SIGCONT 18
220#define LINUX_SIGSTOP 19
221#define LINUX_SIGTSTP 20
222#define LINUX_SIGTTIN 21
223#define LINUX_SIGTTOU 22
224#define LINUX_SIGURG 23
225#define LINUX_SIGXCPU 24
226#define LINUX_SIGXFSZ 25
227#define LINUX_SIGVTALRM 26
228#define LINUX_SIGPROF 27
229#define LINUX_SIGWINCH 28
230#define LINUX_SIGIO 29
231#define LINUX_SIGPOLL LINUX_SIGIO
232#define LINUX_SIGPWR 30
233#define LINUX_SIGUNUSED 31
234
235#define LINUX_SIGTBLSZ 31
236#define LINUX_NSIG_WORDS 2
237#define LINUX_NBPW 32
238#define LINUX_NSIG (LINUX_NBPW * LINUX_NSIG_WORDS)
239
240/* sigaction flags */
241#define LINUX_SA_NOCLDSTOP 0x00000001
242#define LINUX_SA_NOCLDWAIT 0x00000002
243#define LINUX_SA_SIGINFO 0x00000004
244#define LINUX_SA_RESTORER 0x04000000
245#define LINUX_SA_ONSTACK 0x08000000
246#define LINUX_SA_RESTART 0x10000000
247#define LINUX_SA_INTERRUPT 0x20000000
248#define LINUX_SA_NOMASK 0x40000000
249#define LINUX_SA_ONESHOT 0x80000000
250
251/* sigprocmask actions */
252#define LINUX_SIG_BLOCK 0
253#define LINUX_SIG_UNBLOCK 1
254#define LINUX_SIG_SETMASK 2
255
256/* sigset_t macros */
257#define LINUX_SIGEMPTYSET(set) (set).__bits[0] = (set).__bits[1] = 0
258#define LINUX_SIGISMEMBER(set, sig) SIGISMEMBER(set, sig)
259#define LINUX_SIGADDSET(set, sig) SIGADDSET(set, sig)
260
261/* sigaltstack */
262#define LINUX_MINSIGSTKSZ 2048
263#define LINUX_SS_ONSTACK 1
264#define LINUX_SS_DISABLE 2
265
266int linux_to_bsd_sigaltstack(int lsa);
267int bsd_to_linux_sigaltstack(int bsa);
268
269typedef void (*l_handler_t)(l_int);
270typedef l_ulong l_osigset_t;
271
272typedef struct {
273 l_uint __bits[LINUX_NSIG_WORDS];
274} l_sigset_t;
275
276typedef struct {
277 l_handler_t lsa_handler;
278 l_osigset_t lsa_mask;
279 l_ulong lsa_flags;
280 void (*lsa_restorer)(void);
281} l_osigaction_t;
282
283typedef struct {
284 l_handler_t lsa_handler;
285 l_ulong lsa_flags;
286 void (*lsa_restorer)(void);
287 l_sigset_t lsa_mask;
288} l_sigaction_t;
289
290typedef struct {
291 void *ss_sp;
292 l_int ss_flags;
293 l_size_t ss_size;
294} l_stack_t;
295
296/* The Linux sigcontext, pretty much a standard 386 trapframe. */
297struct l_sigcontext {
298 l_int sc_gs;
299 l_int sc_fs;
300 l_int sc_es;
301 l_int sc_ds;
302 l_int sc_edi;
303 l_int sc_esi;
304 l_int sc_ebp;
305 l_int sc_esp;
306 l_int sc_ebx;
307 l_int sc_edx;
308 l_int sc_ecx;
309 l_int sc_eax;
310 l_int sc_trapno;
311 l_int sc_err;
312 l_int sc_eip;
313 l_int sc_cs;
314 l_int sc_eflags;
315 l_int sc_esp_at_signal;
316 l_int sc_ss;
317 l_int sc_387;
318 l_int sc_mask;
319 l_int sc_cr2;
320};
321
322struct l_ucontext {
323 l_ulong uc_flags;
324 void *uc_link;
325 l_stack_t uc_stack;
326 struct l_sigcontext uc_mcontext;
327 l_sigset_t uc_sigmask;
328};
329
330#define LINUX_SI_MAX_SIZE 128
331#define LINUX_SI_PAD_SIZE ((LINUX_SI_MAX_SIZE/sizeof(l_int)) - 3)
332
333typedef struct l_siginfo {
334 l_int lsi_signo;
335 l_int lsi_errno;
336 l_int lsi_code;
337 union {
338 l_int _pad[LINUX_SI_PAD_SIZE];
339
340 struct {
341 l_pid_t _pid;
342 l_uid16_t _uid;
343 } _kill;
344
345 struct {
346 l_uint _timer1;
347 l_uint _timer2;
348 } _timer;
349
350 struct {
351 l_pid_t _pid; /* sender's pid */
352 l_uid16_t _uid; /* sender's uid */
353 union sigval _sigval;
354 } _rt;
355
356 struct {
357 l_pid_t _pid; /* which child */
358 l_uid16_t _uid; /* sender's uid */
359 l_int _status; /* exit code */
360 l_clock_t _utime;
361 l_clock_t _stime;
362 } _sigchld;
363
364 struct {
365 void *_addr; /* faulting insn/memory ref. */
366 } _sigfault;
367
368 struct {
369 l_int _band; /* POLL_IN,POLL_OUT,POLL_MSG */
370 l_int _fd;
371 } _sigpoll;
372 } _sifields;
373} l_siginfo_t;
374
375#define lsi_pid _sifields._kill._pid
376#define lsi_uid _sifields._kill._uid
377#define lsi_status _sifields._sigchld._status
378#define lsi_utime _sifields._sigchld._utime
379#define lsi_stime _sifields._sigchld._stime
380#define lsi_value _sifields._rt._sigval
381#define lsi_int _sifields._rt._sigval.sival_int
382#define lsi_ptr _sifields._rt._sigval.sival_ptr
383#define lsi_addr _sifields._sigfault._addr
384#define lsi_band _sifields._sigpoll._band
385#define lsi_fd _sifields._sigpoll._fd
386
387struct l_fpreg {
388 u_int16_t significand[4];
389 u_int16_t exponent;
390};
391
392struct l_fpxreg {
393 u_int16_t significand[4];
394 u_int16_t exponent;
395 u_int16_t padding[3];
396};
397
398struct l_xmmreg {
399 u_int32_t element[4];
400};
401
402struct l_fpstate {
403 /* Regular FPU environment */
404 u_int32_t cw;
405 u_int32_t sw;
406 u_int32_t tag;
407 u_int32_t ipoff;
408 u_int32_t cssel;
409 u_int32_t dataoff;
410 u_int32_t datasel;
411 struct l_fpreg _st[8];
412 u_int16_t status;
413 u_int16_t magic; /* 0xffff = regular FPU data */
414
415 /* FXSR FPU environment */
416 u_int32_t _fxsr_env[6]; /* env is ignored */
417 u_int32_t mxcsr;
418 u_int32_t reserved;
419 struct l_fpxreg _fxsr_st[8]; /* reg data is ignored */
420 struct l_xmmreg _xmm[8];
421 u_int32_t padding[56];
422};
423
424/*
425 * We make the stack look like Linux expects it when calling a signal
426 * handler, but use the BSD way of calling the handler and sigreturn().
427 * This means that we need to pass the pointer to the handler too.
428 * It is appended to the frame to not interfere with the rest of it.
429 */
430struct l_sigframe {
431 l_int sf_sig;
432 struct l_sigcontext sf_sc;
433 struct l_fpstate sf_fpstate;
434 l_uint sf_extramask[LINUX_NSIG_WORDS-1];
435 l_handler_t sf_handler;
436};
437
438struct l_rt_sigframe {
439 l_int sf_sig;
440 l_siginfo_t *sf_siginfo;
441 struct l_ucontext *sf_ucontext;
442 l_siginfo_t sf_si;
443 struct l_ucontext sf_sc;
444 l_handler_t sf_handler;
445};
446
447extern int bsd_to_linux_signal[];
448extern int linux_to_bsd_signal[];
449extern struct sysentvec linux_sysvec;
450extern struct sysentvec elf_linux_sysvec;
451
452/*
453 * Pluggable ioctl handlers
454 */
455struct linux_ioctl_args;
456struct proc;
457
458typedef int linux_ioctl_function_t(struct proc *, struct linux_ioctl_args *);
459
460struct linux_ioctl_handler {
461 linux_ioctl_function_t *func;
462 int low, high;
463};
464
465int linux_ioctl_register_handler(struct linux_ioctl_handler *h);
466int linux_ioctl_unregister_handler(struct linux_ioctl_handler *h);
467
468/*
469 * open/fcntl flags
470 */
471#define LINUX_O_RDONLY 00
472#define LINUX_O_WRONLY 01
473#define LINUX_O_RDWR 02
474#define LINUX_O_CREAT 0100
475#define LINUX_O_EXCL 0200
476#define LINUX_O_NOCTTY 0400
477#define LINUX_O_TRUNC 01000
478#define LINUX_O_APPEND 02000
479#define LINUX_O_NONBLOCK 04000
480#define LINUX_O_NDELAY LINUX_O_NONBLOCK
481#define LINUX_O_SYNC 010000
482#define LINUX_FASYNC 020000
483
484#define LINUX_F_DUPFD 0
485#define LINUX_F_GETFD 1
486#define LINUX_F_SETFD 2
487#define LINUX_F_GETFL 3
488#define LINUX_F_SETFL 4
489#define LINUX_F_GETLK 5
490#define LINUX_F_SETLK 6
491#define LINUX_F_SETLKW 7
492#define LINUX_F_SETOWN 8
493#define LINUX_F_GETOWN 9
494
495#define LINUX_F_RDLCK 0
496#define LINUX_F_WRLCK 1
497#define LINUX_F_UNLCK 2
498
499/*
500 * mount flags
501 */
502#define LINUX_MS_RDONLY 0x0001
503#define LINUX_MS_NOSUID 0x0002
504#define LINUX_MS_NODEV 0x0004
505#define LINUX_MS_NOEXEC 0x0008
506#define LINUX_MS_REMOUNT 0x0020
507
508/*
509 * SystemV IPC defines
510 */
511#define LINUX_SEMOP 1
512#define LINUX_SEMGET 2
513#define LINUX_SEMCTL 3
514#define LINUX_MSGSND 11
515#define LINUX_MSGRCV 12
516#define LINUX_MSGGET 13
517#define LINUX_MSGCTL 14
518#define LINUX_SHMAT 21
519#define LINUX_SHMDT 22
520#define LINUX_SHMGET 23
521#define LINUX_SHMCTL 24
522
523#define LINUX_IPC_RMID 0
524#define LINUX_IPC_SET 1
525#define LINUX_IPC_STAT 2
526#define LINUX_IPC_INFO 3
527
528#define LINUX_SHM_LOCK 11
529#define LINUX_SHM_UNLOCK 12
530#define LINUX_SHM_STAT 13
531#define LINUX_SHM_INFO 14
532
533#define LINUX_SHM_RDONLY 0x1000
534#define LINUX_SHM_RND 0x2000
535#define LINUX_SHM_REMAP 0x4000
536
537/* semctl commands */
538#define LINUX_GETPID 11
539#define LINUX_GETVAL 12
540#define LINUX_GETALL 13
541#define LINUX_GETNCNT 14
542#define LINUX_GETZCNT 15
543#define LINUX_SETVAL 16
544#define LINUX_SETALL 17
545
546union l_semun {
547 l_int val;
548 struct l_semid_ds *buf;
549 l_ushort *array;
550 struct l_seminfo *__buf;
551 void *__pad;
552};
553
554/*
555 * Socket defines
556 */
557#define LINUX_SOCKET 1
558#define LINUX_BIND 2
559#define LINUX_CONNECT 3
560#define LINUX_LISTEN 4
561#define LINUX_ACCEPT 5
562#define LINUX_GETSOCKNAME 6
563#define LINUX_GETPEERNAME 7
564#define LINUX_SOCKETPAIR 8
565#define LINUX_SEND 9
566#define LINUX_RECV 10
567#define LINUX_SENDTO 11
568#define LINUX_RECVFROM 12
569#define LINUX_SHUTDOWN 13
570#define LINUX_SETSOCKOPT 14
571#define LINUX_GETSOCKOPT 15
572#define LINUX_SENDMSG 16
573#define LINUX_RECVMSG 17
574
575#define LINUX_AF_UNSPEC 0
576#define LINUX_AF_UNIX 1
577#define LINUX_AF_INET 2
578#define LINUX_AF_AX25 3
579#define LINUX_AF_IPX 4
580#define LINUX_AF_APPLETALK 5
581
582#define LINUX_SOL_SOCKET 1
583#define LINUX_SOL_IP 0
584#define LINUX_SOL_IPX 256
585#define LINUX_SOL_AX25 257
586#define LINUX_SOL_TCP 6
587#define LINUX_SOL_UDP 17
588
589#define LINUX_SO_DEBUG 1
590#define LINUX_SO_REUSEADDR 2
591#define LINUX_SO_TYPE 3
592#define LINUX_SO_ERROR 4
593#define LINUX_SO_DONTROUTE 5
594#define LINUX_SO_BROADCAST 6
595#define LINUX_SO_SNDBUF 7
596#define LINUX_SO_RCVBUF 8
597#define LINUX_SO_KEEPALIVE 9
598#define LINUX_SO_OOBINLINE 10
599#define LINUX_SO_NO_CHECK 11
600#define LINUX_SO_PRIORITY 12
601#define LINUX_SO_LINGER 13
602
603#define LINUX_IP_TOS 1
604#define LINUX_IP_TTL 2
605#define LINUX_IP_HDRINCL 3
606#define LINUX_IP_OPTIONS 4
607
608#define LINUX_IP_MULTICAST_IF 32
609#define LINUX_IP_MULTICAST_TTL 33
610#define LINUX_IP_MULTICAST_LOOP 34
611#define LINUX_IP_ADD_MEMBERSHIP 35
612#define LINUX_IP_DROP_MEMBERSHIP 36
613
614struct l_sockaddr {
615 l_ushort sa_family;
616 char sa_data[14];
617};
618
619struct l_ifmap {
620 l_ulong mem_start;
621 l_ulong mem_end;
622 l_ushort base_addr;
623 u_char irq;
624 u_char dma;
625 u_char port;
626};
627
628#define LINUX_IFHWADDRLEN 6
629#define LINUX_IFNAMSIZ 16
630
631struct l_ifreq {
632 union {
633 char ifrn_name[LINUX_IFNAMSIZ];
634 } ifr_ifrn;
635
636 union {
637 struct l_sockaddr ifru_addr;
638 struct l_sockaddr ifru_dstaddr;
639 struct l_sockaddr ifru_broadaddr;
640 struct l_sockaddr ifru_netmask;
641 struct l_sockaddr ifru_hwaddr;
642 l_short ifru_flags;
643 l_int ifru_metric;
644 l_int ifru_mtu;
645 struct l_ifmap ifru_map;
646 char ifru_slave[LINUX_IFNAMSIZ];
647 l_caddr_t ifru_data;
648 } ifr_ifru;
649};
650
651#define ifr_name ifr_ifrn.ifrn_name /* interface name */
652#define ifr_hwaddr ifr_ifru.ifru_hwaddr /* MAC address */
653
654/*
655 * poll()
656 */
657#define LINUX_POLLIN 0x0001
658#define LINUX_POLLPRI 0x0002
659#define LINUX_POLLOUT 0x0004
660#define LINUX_POLLERR 0x0008
661#define LINUX_POLLHUP 0x0010
662#define LINUX_POLLNVAL 0x0020
663#define LINUX_POLLRDNORM 0x0040
664#define LINUX_POLLRDBAND 0x0080
665#define LINUX_POLLWRNORM 0x0100
666#define LINUX_POLLWRBAND 0x0200
667#define LINUX_POLLMSG 0x0400
668
669struct l_pollfd {
670 l_int fd;
671 l_short events;
672 l_short revents;
673};
674
675#endif /* !_I386_LINUX_LINUX_H_ */