3 .\" Michael Elizabeth Chastain
4 .\" <mec@duracef.shout.net>
8 .\" Ioctl List 1.3.27 is copyright 1995 by Michael Elizabeth Chastain.
9 .\" It is licensed under the Gnu Public License, Version 2.
15 .\" 1.3.27 421 ioctls.
16 .\" Type information for non-pointer args.
17 .\" SIOCDEVPRIVATE, SIOCPROTOPRIVATE ioctls.
18 .\" Descriptions of extended arguments.
21 .\" First public version.
24 .\" 2007-12-29 Alain Portal <aportal@univ-montp2.fr> and Michael Kerrisk
25 .\" <mtk.manpages@gmail.com>:
26 .\" Various formatting improvements
27 .TH IOCTL_LIST 2 2007-12-29 "Linux" "Linux Programmer's Manual"
29 ioctl_list \- list of ioctl calls in Linux/i386 kernel
31 This is Ioctl List 1.3.27, a list of ioctl calls in Linux/i386 kernel
33 It contains 421 ioctls from
34 .IR </usr/include/{asm,linux}/*.h> .
35 For each ioctl, its numerical value, its name, and its argument
40 means the argument is input to the kernel.
42 means the kernel outputs the argument.
43 If the kernel uses the argument for both input and output, this is
44 marked with \fI//\ I-O\fP.
46 Some ioctls take more arguments or return more values than a single
48 These are marked \fI//\ MORE\fP and documented further in a
51 This list is very incomplete.
53 .\" added two sections - aeb
54 Ioctl command values are 32-bit constants.
55 In principle these constants are completely arbitrary, but people have
56 tried to build some structure into them.
58 The old Linux situation was that of mostly 16-bit constants, where the
59 last byte is a serial number, and the preceding byte(s) give a type
60 indicating the driver.
61 Sometimes the major number was used: 0x03
68 one or more ASCII letters were used.
72 0x00005401, with 0x54 = \(aqT\(aq indicating the terminal driver, and
74 has value 0x00435906, with 0x43 0x59 = \(aqC\(aq \(aqY\(aq
75 indicating the cyclades driver.
77 Later (0.98p5) some more information was built into the number.
78 One has 2 direction bits
79 (00: none, 01: write, 10: read, 11: read/write)
80 followed by 14 size bits (giving the size of the argument),
81 followed by an 8-bit type (collecting the ioctls in groups
82 for a common purpose or a common driver), and an 8-bit
85 The macros describing this structure live in \fI<asm/ioctl.h>\fP
89 .BR "{_IOR,_IOW,_IOWR}(type,nr,size)" .
93 misnomer here: this third argument is a data type.
95 Note that the size bits are very unreliable: in lots of cases
96 they are wrong, either because of buggy macros using
97 .IR sizeof(sizeof(struct)) ,
98 or because of legacy values.
100 Thus, it seems that the new structure only gave disadvantages:
101 it does not help in checking, but it causes varying values
102 for the various architectures.
104 Decent ioctls return 0 on success and \-1 on error, while
105 any output value is stored via the argument.
107 quite a few ioctls in fact return an output value.
108 This is not yet indicated below.
112 // <include/asm-i386/socket.h>
115 0x00008901 FIOSETOWN const int *
116 0x00008902 SIOCSPGRP const int *
117 0x00008903 FIOGETOWN int *
118 0x00008904 SIOCGPGRP int *
119 0x00008905 SIOCATMAR int *
120 0x00008906 SIOCGSTAMP timeval *
123 // <include/asm-i386/termios.h>
126 0x00005401 TCGETS struct termios *
127 0x00005402 TCSETS const struct termios *
128 0x00005403 TCSETSW const struct termios *
129 0x00005404 TCSETSF const struct termios *
130 0x00005405 TCGETA struct termio *
131 0x00005406 TCSETA const struct termio *
132 0x00005407 TCSETAW const struct termio *
133 0x00005408 TCSETAF const struct termio *
134 0x00005409 TCSBRK int
135 0x0000540A TCXONC int
136 0x0000540B TCFLSH int
137 0x0000540C TIOCEXCL void
138 0x0000540D TIOCNXCL void
139 0x0000540E TIOCSCTTY int
140 0x0000540F TIOCGPGRP pid_t *
141 0x00005410 TIOCSPGRP const pid_t *
142 0x00005411 TIOCOUTQ int *
143 0x00005412 TIOCSTI const char *
144 0x00005413 TIOCGWINSZ struct winsize *
145 0x00005414 TIOCSWINSZ const struct winsize *
146 0x00005415 TIOCMGET int *
147 0x00005416 TIOCMBIS const int *
148 0x00005417 TIOCMBIC const int *
149 0x00005418 TIOCMSET const int *
150 0x00005419 TIOCGSOFTCAR int *
151 0x0000541A TIOCSSOFTCAR const int *
152 0x0000541B FIONREAD int *
153 0x0000541B TIOCINQ int *
154 0x0000541C TIOCLINUX const char * // MORE
155 0x0000541D TIOCCONS void
156 0x0000541E TIOCGSERIAL struct serial_struct *
157 0x0000541F TIOCSSERIAL const struct serial_struct *
158 0x00005420 TIOCPKT const int *
159 0x00005421 FIONBIO const int *
160 0x00005422 TIOCNOTTY void
161 0x00005423 TIOCSETD const int *
162 0x00005424 TIOCGETD int *
163 0x00005425 TCSBRKP int
164 0x00005426 TIOCTTYGSTRUCT struct tty_struct *
165 0x00005450 FIONCLEX void
166 0x00005451 FIOCLEX void
167 0x00005452 FIOASYNC const int *
168 0x00005453 TIOCSERCONFIG void
169 0x00005454 TIOCSERGWILD int *
170 0x00005455 TIOCSERSWILD const int *
171 0x00005456 TIOCGLCKTRMIOS struct termios *
172 0x00005457 TIOCSLCKTRMIOS const struct termios *
173 0x00005458 TIOCSERGSTRUCT struct async_struct *
174 0x00005459 TIOCSERGETLSR int *
175 0x0000545A TIOCSERGETMULTI struct serial_multiport_struct *
176 0x0000545B TIOCSERSETMULTI const struct serial_multiport_struct *
179 // <include/linux/ax25.h>
182 0x000089E0 SIOCAX25GETUID const struct sockaddr_ax25 *
183 0x000089E1 SIOCAX25ADDUID const struct sockaddr_ax25 *
184 0x000089E2 SIOCAX25DELUID const struct sockaddr_ax25 *
185 0x000089E3 SIOCAX25NOUID const int *
186 0x000089E4 SIOCAX25DIGCTL const int *
187 0x000089E5 SIOCAX25GETPARMS struct ax25_parms_struct * // I-O
188 0x000089E6 SIOCAX25SETPARMS const struct ax25_parms_struct *
191 // <include/linux/cdk.h>
194 0x00007314 STL_BINTR void
195 0x00007315 STL_BSTART void
196 0x00007316 STL_BSTOP void
197 0x00007317 STL_BRESET void
200 // <include/linux/cdrom.h>
203 0x00005301 CDROMPAUSE void
204 0x00005302 CDROMRESUME void
205 0x00005303 CDROMPLAYMSF const struct cdrom_msf *
206 0x00005304 CDROMPLAYTRKIND const struct cdrom_ti *
207 0x00005305 CDROMREADTOCHDR struct cdrom_tochdr *
208 0x00005306 CDROMREADTOCENTRY struct cdrom_tocentry * // I-O
209 0x00005307 CDROMSTOP void
210 0x00005308 CDROMSTART void
211 0x00005309 CDROMEJECT void
212 0x0000530A CDROMVOLCTRL const struct cdrom_volctrl *
213 0x0000530B CDROMSUBCHNL struct cdrom_subchnl * // I-O
214 0x0000530C CDROMREADMODE2 const struct cdrom_msf * // MORE
215 0x0000530D CDROMREADMODE1 const struct cdrom_msf * // MORE
216 0x0000530E CDROMREADAUDIO const struct cdrom_read_audio * // MORE
217 0x0000530F CDROMEJECT_SW int
218 0x00005310 CDROMMULTISESSION struct cdrom_multisession * // I-O
219 0x00005311 CDROM_GET_UPC struct { char [8]; } *
220 0x00005312 CDROMRESET void
221 0x00005313 CDROMVOLREAD struct cdrom_volctrl *
222 0x00005314 CDROMREADRAW const struct cdrom_msf * // MORE
223 0x00005315 CDROMREADCOOKED const struct cdrom_msf * // MORE
224 0x00005316 CDROMSEEK const struct cdrom_msf *
227 // <include/linux/cm206.h>
230 0x00002000 CM206CTL_GET_STAT int
231 0x00002001 CM206CTL_GET_LAST_STAT int
234 // <include/linux/cyclades.h>
237 0x00435901 CYGETMON struct cyclades_monitor *
238 0x00435902 CYGETTHRESH int *
239 0x00435903 CYSETTHRESH int
240 0x00435904 CYGETDEFTHRESH int *
241 0x00435905 CYSETDEFTHRESH int
242 0x00435906 CYGETTIMEOUT int *
243 0x00435907 CYSETTIMEOUT int
244 0x00435908 CYGETDEFTIMEOUT int *
245 0x00435909 CYSETDEFTIMEOUT int
248 // <include/linux/ext2_fs.h>
251 0x80046601 EXT2_IOC_GETFLAGS int *
252 0x40046602 EXT2_IOC_SETFLAGS const int *
253 0x80047601 EXT2_IOC_GETVERSION int *
254 0x40047602 EXT2_IOC_SETVERSION const int *
257 // <include/linux/fd.h>
260 0x00000000 FDCLRPRM void
261 0x00000001 FDSETPRM const struct floppy_struct *
262 0x00000002 FDDEFPRM const struct floppy_struct *
263 0x00000003 FDGETPRM struct floppy_struct *
264 0x00000004 FDMSGON void
265 0x00000005 FDMSGOFF void
266 0x00000006 FDFMTBEG void
267 0x00000007 FDFMTTRK const struct format_descr *
268 0x00000008 FDFMTEND void
269 0x0000000A FDSETEMSGTRESH int
270 0x0000000B FDFLUSH void
271 0x0000000C FDSETMAXERRS const struct floppy_max_errors *
272 0x0000000E FDGETMAXERRS struct floppy_max_errors *
273 0x00000010 FDGETDRVTYP struct { char [16]; } *
274 0x00000014 FDSETDRVPRM const struct floppy_drive_params *
275 0x00000015 FDGETDRVPRM struct floppy_drive_params *
276 0x00000016 FDGETDRVSTAT struct floppy_drive_struct *
277 0x00000017 FDPOLLDRVSTAT struct floppy_drive_struct *
278 0x00000018 FDRESET int
279 0x00000019 FDGETFDCSTAT struct floppy_fdc_state *
280 0x0000001B FDWERRORCLR void
281 0x0000001C FDWERRORGET struct floppy_write_errors *
282 0x0000001E FDRAWCMD struct floppy_raw_cmd * // MORE // I-O
283 0x00000028 FDTWADDLE void
286 // <include/linux/fs.h>
289 0x0000125D BLKROSET const int *
290 0x0000125E BLKROGET int *
291 0x0000125F BLKRRPART void
292 0x00001260 BLKGETSIZE unsigned long *
293 0x00001261 BLKFLSBUF void
294 0x00001262 BLKRASET int
295 0x00001263 BLKRAGET int *
296 0x00000001 FIBMAP int * // I-O
297 0x00000002 FIGETBSZ int *
300 // <include/linux/hdreg.h>
303 0x00000301 HDIO_GETGEO struct hd_geometry *
304 0x00000302 HDIO_GET_UNMASKINTR int *
305 0x00000304 HDIO_GET_MULTCOUNT int *
306 0x00000307 HDIO_GET_IDENTITY struct hd_driveid *
307 0x00000308 HDIO_GET_KEEPSETTINGS int *
308 0x00000309 HDIO_GET_CHIPSET int *
309 0x0000030A HDIO_GET_NOWERR int *
310 0x0000030B HDIO_GET_DMA int *
311 0x0000031F HDIO_DRIVE_CMD int * // I-O
312 0x00000321 HDIO_SET_MULTCOUNT int
313 0x00000322 HDIO_SET_UNMASKINTR int
314 0x00000323 HDIO_SET_KEEPSETTINGS int
315 0x00000324 HDIO_SET_CHIPSET int
316 0x00000325 HDIO_SET_NOWERR int
317 0x00000326 HDIO_SET_DMA int
320 // <include/linux/if_eql.h>
323 0x000089F0 EQL_ENSLAVE struct ifreq * // MORE // I-O
324 0x000089F1 EQL_EMANCIPATE struct ifreq * // MORE // I-O
325 0x000089F2 EQL_GETSLAVECFG struct ifreq * // MORE // I-O
326 0x000089F3 EQL_SETSLAVECFG struct ifreq * // MORE // I-O
327 0x000089F4 EQL_GETMASTRCFG struct ifreq * // MORE // I-O
328 0x000089F5 EQL_SETMASTRCFG struct ifreq * // MORE // I-O
331 // <include/linux/if_plip.h>
334 0x000089F0 SIOCDEVPLIP struct ifreq * // I-O
337 // <include/linux/if_ppp.h>
340 0x00005490 PPPIOCGFLAGS int *
341 0x00005491 PPPIOCSFLAGS const int *
342 0x00005492 PPPIOCGASYNCMAP int *
343 0x00005493 PPPIOCSASYNCMAP const int *
344 0x00005494 PPPIOCGUNIT int *
345 0x00005495 PPPIOCSINPSIG const int *
346 0x00005497 PPPIOCSDEBUG const int *
347 0x00005498 PPPIOCGDEBUG int *
348 0x00005499 PPPIOCGSTAT struct ppp_stats *
349 0x0000549A PPPIOCGTIME struct ppp_ddinfo *
350 0x0000549B PPPIOCGXASYNCMAP struct { int [8]; } *
351 0x0000549C PPPIOCSXASYNCMAP const struct { int [8]; } *
352 0x0000549D PPPIOCSMRU const int *
353 0x0000549E PPPIOCRASYNCMAP const int *
354 0x0000549F PPPIOCSMAXCID const int *
357 // <include/linux/ipx.h>
360 0x000089E0 SIOCAIPXITFCRT const char *
361 0x000089E1 SIOCAIPXPRISLT const char *
362 0x000089E2 SIOCIPXCFGDATA struct ipx_config_data *
365 // <include/linux/kd.h>
368 0x00004B60 GIO_FONT struct { char [8192]; } *
369 0x00004B61 PIO_FONT const struct { char [8192]; } *
370 0x00004B6B GIO_FONTX struct console_font_desc * // MORE // I-O
371 0x00004B6C PIO_FONTX const struct console_font_desc * //MORE
372 0x00004B70 GIO_CMAP struct { char [48]; } *
373 0x00004B71 PIO_CMAP const struct { char [48]; }
374 0x00004B2F KIOCSOUND int
375 0x00004B30 KDMKTONE int
376 0x00004B31 KDGETLED char *
377 0x00004B32 KDSETLED int
378 0x00004B33 KDGKBTYPE char *
379 0x00004B34 KDADDIO int // MORE
380 0x00004B35 KDDELIO int // MORE
381 0x00004B36 KDENABIO void // MORE
382 0x00004B37 KDDISABIO void // MORE
383 0x00004B3A KDSETMODE int
384 0x00004B3B KDGETMODE int *
385 0x00004B3C KDMAPDISP void // MORE
386 0x00004B3D KDUNMAPDISP void // MORE
387 0x00004B40 GIO_SCRNMAP struct { char [E_TABSZ]; } *
388 0x00004B41 PIO_SCRNMAP const struct { char [E_TABSZ]; } *
389 0x00004B69 GIO_UNISCRNMAP struct { short [E_TABSZ]; } *
390 0x00004B6A PIO_UNISCRNMAP const struct { short [E_TABSZ]; } *
391 0x00004B66 GIO_UNIMAP struct unimapdesc * // MORE // I-O
392 0x00004B67 PIO_UNIMAP const struct unimapdesc * // MORE
393 0x00004B68 PIO_UNIMAPCLR const struct unimapinit *
394 0x00004B44 KDGKBMODE int *
395 0x00004B45 KDSKBMODE int
396 0x00004B62 KDGKBMETA int *
397 0x00004B63 KDSKBMETA int
398 0x00004B64 KDGKBLED int *
399 0x00004B65 KDSKBLED int
400 0x00004B46 KDGKBENT struct kbentry * // I-O
401 0x00004B47 KDSKBENT const struct kbentry *
402 0x00004B48 KDGKBSENT struct kbsentry * // I-O
403 0x00004B49 KDSKBSENT const struct kbsentry *
404 0x00004B4A KDGKBDIACR struct kbdiacrs *
405 0x00004B4B KDSKBDIACR const struct kbdiacrs *
406 0x00004B4C KDGETKEYCODE struct kbkeycode * // I-O
407 0x00004B4D KDSETKEYCODE const struct kbkeycode *
408 0x00004B4E KDSIGACCEPT int
411 // <include/linux/lp.h>
414 0x00000601 LPCHAR int
415 0x00000602 LPTIME int
416 0x00000604 LPABORT int
417 0x00000605 LPSETIRQ int
418 0x00000606 LPGETIRQ int *
419 0x00000608 LPWAIT int
420 0x00000609 LPCAREFUL int
421 0x0000060A LPABORTOPEN int
422 0x0000060B LPGETSTATUS int *
423 0x0000060C LPRESET void
424 0x0000060D LPGETSTATS struct lp_stats *
427 // <include/linux/mroute.h>
430 0x000089E0 SIOCGETVIFCNT struct sioc_vif_req * // I-O
431 0x000089E1 SIOCGETSGCNT struct sioc_sg_req * // I-O
434 // <include/linux/mtio.h>
437 0x40086D01 MTIOCTOP const struct mtop *
438 0x801C6D02 MTIOCGET struct mtget *
439 0x80046D03 MTIOCPOS struct mtpos *
440 0x80206D04 MTIOCGETCONFIG struct mtconfiginfo *
441 0x40206D05 MTIOCSETCONFIG const struct mtconfiginfo *
444 // <include/linux/netrom.h>
447 0x000089E0 SIOCNRGETPARMS struct nr_parms_struct * // I-O
448 0x000089E1 SIOCNRSETPARMS const struct nr_parms_struct *
449 0x000089E2 SIOCNRDECOBS void
450 0x000089E3 SIOCNRRTCTL const int *
453 // <include/linux/sbpcd.h>
456 0x00009000 DDIOCSDBG const int *
457 0x00005382 CDROMAUDIOBUFSIZ int
460 // <include/linux/scc.h>
463 0x00005470 TIOCSCCINI void
464 0x00005471 TIOCCHANINI const struct scc_modem *
465 0x00005472 TIOCGKISS struct ioctl_command * // I-O
466 0x00005473 TIOCSKISS const struct ioctl_command *
467 0x00005474 TIOCSCCSTAT struct scc_stat *
470 // <include/linux/scsi.h>
473 0x00005382 SCSI_IOCTL_GET_IDLUN struct { int [2]; } *
474 0x00005383 SCSI_IOCTL_TAGGED_ENABLE void
475 0x00005384 SCSI_IOCTL_TAGGED_DISABLE void
476 0x00005385 SCSI_IOCTL_PROBE_HOST const int * // MORE
479 // <include/linux/smb_fs.h>
482 0x80027501 SMB_IOC_GETMOUNTUID uid_t *
485 // <include/linux/sockios.h>
488 0x0000890B SIOCADDRT const struct rtentry * // MORE
489 0x0000890C SIOCDELRT const struct rtentry * // MORE
490 0x00008910 SIOCGIFNAME char []
491 0x00008911 SIOCSIFLINK void
492 0x00008912 SIOCGIFCONF struct ifconf * // MORE // I-O
493 0x00008913 SIOCGIFFLAGS struct ifreq * // I-O
494 0x00008914 SIOCSIFFLAGS const struct ifreq *
495 0x00008915 SIOCGIFADDR struct ifreq * // I-O
496 0x00008916 SIOCSIFADDR const struct ifreq *
497 0x00008917 SIOCGIFDSTADDR struct ifreq * // I-O
498 0x00008918 SIOCSIFDSTADDR const struct ifreq *
499 0x00008919 SIOCGIFBRDADDR struct ifreq * // I-O
500 0x0000891A SIOCSIFBRDADDR const struct ifreq *
501 0x0000891B SIOCGIFNETMASK struct ifreq * // I-O
502 0x0000891C SIOCSIFNETMASK const struct ifreq *
503 0x0000891D SIOCGIFMETRIC struct ifreq * // I-O
504 0x0000891E SIOCSIFMETRIC const struct ifreq *
505 0x0000891F SIOCGIFMEM struct ifreq * // I-O
506 0x00008920 SIOCSIFMEM const struct ifreq *
507 0x00008921 SIOCGIFMTU struct ifreq * // I-O
508 0x00008922 SIOCSIFMTU const struct ifreq *
509 0x00008923 OLD_SIOCGIFHWADDR struct ifreq * // I-O
510 0x00008924 SIOCSIFHWADDR const struct ifreq * // MORE
511 0x00008925 SIOCGIFENCAP int *
512 0x00008926 SIOCSIFENCAP const int *
513 0x00008927 SIOCGIFHWADDR struct ifreq * // I-O
514 0x00008929 SIOCGIFSLAVE void
515 0x00008930 SIOCSIFSLAVE void
516 0x00008931 SIOCADDMULTI const struct ifreq *
517 0x00008932 SIOCDELMULTI const struct ifreq *
518 0x00008940 SIOCADDRTOLD void
519 0x00008941 SIOCDELRTOLD void
520 0x00008950 SIOCDARP const struct arpreq *
521 0x00008951 SIOCGARP struct arpreq * // I-O
522 0x00008952 SIOCSARP const struct arpreq *
523 0x00008960 SIOCDRARP const struct arpreq *
524 0x00008961 SIOCGRARP struct arpreq * // I-O
525 0x00008962 SIOCSRARP const struct arpreq *
526 0x00008970 SIOCGIFMAP struct ifreq * // I-O
527 0x00008971 SIOCSIFMAP const struct ifreq *
530 // <include/linux/soundcard.h>
533 0x00005100 SNDCTL_SEQ_RESET void
534 0x00005101 SNDCTL_SEQ_SYNC void
535 0xC08C5102 SNDCTL_SYNTH_INFO struct synth_info * // I-O
536 0xC0045103 SNDCTL_SEQ_CTRLRATE int * // I-O
537 0x80045104 SNDCTL_SEQ_GETOUTCOUNT int *
538 0x80045105 SNDCTL_SEQ_GETINCOUNT int *
539 0x40045106 SNDCTL_SEQ_PERCMODE void
540 0x40285107 SNDCTL_FM_LOAD_INSTR const struct sbi_instrument *
541 0x40045108 SNDCTL_SEQ_TESTMIDI const int *
542 0x40045109 SNDCTL_SEQ_RESETSAMPLES const int *
543 0x8004510A SNDCTL_SEQ_NRSYNTHS int *
544 0x8004510B SNDCTL_SEQ_NRMIDIS int *
545 0xC074510C SNDCTL_MIDI_INFO struct midi_info * // I-O
546 0x4004510D SNDCTL_SEQ_THRESHOLD const int *
547 0xC004510E SNDCTL_SYNTH_MEMAVL int * // I-O
548 0x4004510F SNDCTL_FM_4OP_ENABLE const int *
549 0xCFB85110 SNDCTL_PMGR_ACCESS struct patmgr_info * // I-O
550 0x00005111 SNDCTL_SEQ_PANIC void
551 0x40085112 SNDCTL_SEQ_OUTOFBAND const struct seq_event_rec *
552 0xC0045401 SNDCTL_TMR_TIMEBASE int * // I-O
553 0x00005402 SNDCTL_TMR_START void
554 0x00005403 SNDCTL_TMR_STOP void
555 0x00005404 SNDCTL_TMR_CONTINUE void
556 0xC0045405 SNDCTL_TMR_TEMPO int * // I-O
557 0xC0045406 SNDCTL_TMR_SOURCE int * // I-O
558 0x40045407 SNDCTL_TMR_METRONOME const int *
559 0x40045408 SNDCTL_TMR_SELECT int * // I-O
560 0xCFB85001 SNDCTL_PMGR_IFACE struct patmgr_info * // I-O
561 0xC0046D00 SNDCTL_MIDI_PRETIME int * // I-O
562 0xC0046D01 SNDCTL_MIDI_MPUMODE const int *
563 0xC0216D02 SNDCTL_MIDI_MPUCMD struct mpu_command_rec * // I-O
564 0x00005000 SNDCTL_DSP_RESET void
565 0x00005001 SNDCTL_DSP_SYNC void
566 0xC0045002 SNDCTL_DSP_SPEED int * // I-O
567 0xC0045003 SNDCTL_DSP_STEREO int * // I-O
568 0xC0045004 SNDCTL_DSP_GETBLKSIZE int * // I-O
569 0xC0045006 SOUND_PCM_WRITE_CHANNELS int * // I-O
570 0xC0045007 SOUND_PCM_WRITE_FILTER int * // I-O
571 0x00005008 SNDCTL_DSP_POST void
572 0xC0045009 SNDCTL_DSP_SUBDIVIDE int * // I-O
573 0xC004500A SNDCTL_DSP_SETFRAGMENT int * // I-O
574 0x8004500B SNDCTL_DSP_GETFMTS int *
575 0xC0045005 SNDCTL_DSP_SETFMT int * // I-O
576 0x800C500C SNDCTL_DSP_GETOSPACE struct audio_buf_info *
577 0x800C500D SNDCTL_DSP_GETISPACE struct audio_buf_info *
578 0x0000500E SNDCTL_DSP_NONBLOCK void
579 0x80045002 SOUND_PCM_READ_RATE int *
580 0x80045006 SOUND_PCM_READ_CHANNELS int *
581 0x80045005 SOUND_PCM_READ_BITS int *
582 0x80045007 SOUND_PCM_READ_FILTER int *
583 0x00004300 SNDCTL_COPR_RESET void
584 0xCFB04301 SNDCTL_COPR_LOAD const struct copr_buffer *
585 0xC0144302 SNDCTL_COPR_RDATA struct copr_debug_buf * // I-O
586 0xC0144303 SNDCTL_COPR_RCODE struct copr_debug_buf * // I-O
587 0x40144304 SNDCTL_COPR_WDATA const struct copr_debug_buf *
588 0x40144305 SNDCTL_COPR_WCODE const struct copr_debug_buf *
589 0xC0144306 SNDCTL_COPR_RUN struct copr_debug_buf * // I-O
590 0xC0144307 SNDCTL_COPR_HALT struct copr_debug_buf * // I-O
591 0x4FA44308 SNDCTL_COPR_SENDMSG const struct copr_msg *
592 0x8FA44309 SNDCTL_COPR_RCVMSG struct copr_msg *
593 0x80044D00 SOUND_MIXER_READ_VOLUME int *
594 0x80044D01 SOUND_MIXER_READ_BASS int *
595 0x80044D02 SOUND_MIXER_READ_TREBLE int *
596 0x80044D03 SOUND_MIXER_READ_SYNTH int *
597 0x80044D04 SOUND_MIXER_READ_PCM int *
598 0x80044D05 SOUND_MIXER_READ_SPEAKER int *
599 0x80044D06 SOUND_MIXER_READ_LINE int *
600 0x80044D07 SOUND_MIXER_READ_MIC int *
601 0x80044D08 SOUND_MIXER_READ_CD int *
602 0x80044D09 SOUND_MIXER_READ_IMIX int *
603 0x80044D0A SOUND_MIXER_READ_ALTPCM int *
604 0x80044D0B SOUND_MIXER_READ_RECLEV int *
605 0x80044D0C SOUND_MIXER_READ_IGAIN int *
606 0x80044D0D SOUND_MIXER_READ_OGAIN int *
607 0x80044D0E SOUND_MIXER_READ_LINE1 int *
608 0x80044D0F SOUND_MIXER_READ_LINE2 int *
609 0x80044D10 SOUND_MIXER_READ_LINE3 int *
610 0x80044D1C SOUND_MIXER_READ_MUTE int *
611 0x80044D1D SOUND_MIXER_READ_ENHANCE int *
612 0x80044D1E SOUND_MIXER_READ_LOUD int *
613 0x80044DFF SOUND_MIXER_READ_RECSRC int *
614 0x80044DFE SOUND_MIXER_READ_DEVMASK int *
615 0x80044DFD SOUND_MIXER_READ_RECMASK int *
616 0x80044DFB SOUND_MIXER_READ_STEREODEVS int *
617 0x80044DFC SOUND_MIXER_READ_CAPS int *
618 0xC0044D00 SOUND_MIXER_WRITE_VOLUME int * // I-O
619 0xC0044D01 SOUND_MIXER_WRITE_BASS int * // I-O
620 0xC0044D02 SOUND_MIXER_WRITE_TREBLE int * // I-O
621 0xC0044D03 SOUND_MIXER_WRITE_SYNTH int * // I-O
622 0xC0044D04 SOUND_MIXER_WRITE_PCM int * // I-O
623 0xC0044D05 SOUND_MIXER_WRITE_SPEAKER int * // I-O
624 0xC0044D06 SOUND_MIXER_WRITE_LINE int * // I-O
625 0xC0044D07 SOUND_MIXER_WRITE_MIC int * // I-O
626 0xC0044D08 SOUND_MIXER_WRITE_CD int * // I-O
627 0xC0044D09 SOUND_MIXER_WRITE_IMIX int * // I-O
628 0xC0044D0A SOUND_MIXER_WRITE_ALTPCM int * // I-O
629 0xC0044D0B SOUND_MIXER_WRITE_RECLEV int * // I-O
630 0xC0044D0C SOUND_MIXER_WRITE_IGAIN int * // I-O
631 0xC0044D0D SOUND_MIXER_WRITE_OGAIN int * // I-O
632 0xC0044D0E SOUND_MIXER_WRITE_LINE1 int * // I-O
633 0xC0044D0F SOUND_MIXER_WRITE_LINE2 int * // I-O
634 0xC0044D10 SOUND_MIXER_WRITE_LINE3 int * // I-O
635 0xC0044D1C SOUND_MIXER_WRITE_MUTE int * // I-O
636 0xC0044D1D SOUND_MIXER_WRITE_ENHANCE int * // I-O
637 0xC0044D1E SOUND_MIXER_WRITE_LOUD int * // I-O
638 0xC0044DFF SOUND_MIXER_WRITE_RECSRC int * // I-O
641 // <include/linux/umsdos_fs.h>
644 0x000004D2 UMSDOS_READDIR_DOS struct umsdos_ioctl * // I-O
645 0x000004D3 UMSDOS_UNLINK_DOS const struct umsdos_ioctl *
646 0x000004D4 UMSDOS_RMDIR_DOS const struct umsdos_ioctl *
647 0x000004D5 UMSDOS_STAT_DOS struct umsdos_ioctl * // I-O
648 0x000004D6 UMSDOS_CREAT_EMD const struct umsdos_ioctl *
649 0x000004D7 UMSDOS_UNLINK_EMD const struct umsdos_ioctl *
650 0x000004D8 UMSDOS_READDIR_EMD struct umsdos_ioctl * // I-O
651 0x000004D9 UMSDOS_GETVERSION struct umsdos_ioctl *
652 0x000004DA UMSDOS_INIT_EMD void
653 0x000004DB UMSDOS_DOS_SETUP const struct umsdos_ioctl *
654 0x000004DC UMSDOS_RENAME_DOS const struct umsdos_ioctl *
657 // <include/linux/vt.h>
660 0x00005600 VT_OPENQRY int *
661 0x00005601 VT_GETMODE struct vt_mode *
662 0x00005602 VT_SETMODE const struct vt_mode *
663 0x00005603 VT_GETSTATE struct vt_stat *
664 0x00005604 VT_SENDSIG void
665 0x00005605 VT_RELDISP int
666 0x00005606 VT_ACTIVATE int
667 0x00005607 VT_WAITACTIVE int
668 0x00005608 VT_DISALLOCATE int
669 0x00005609 VT_RESIZE const struct vt_sizes *
670 0x0000560A VT_RESIZEX const struct vt_consize *
674 Some ioctl's take a pointer to a structure which contains additional
676 These are documented here in alphabetical order.
679 takes an input pointer
680 .IR "const struct cdrom_read_audio *" .
683 field points to an output buffer of length
684 .IR "nframes * CD_FRAMESIZE_RAW" .
686 .BR CDROMREADCOOKED ,
691 take an input pointer
692 .IR "const struct cdrom_msf *" .
693 They use the same pointer as an output pointer to
695 The length varies by request.
698 most drivers use CD_FRAMESIZE, but the Optics Storage
699 driver uses OPT_BLOCKSIZE instead (both have the numerical value
703 CDROMREADCOOKED char [CD_FRAMESIZE]
704 CDROMREADMODE1 char [CD_FRAMESIZE or OPT_BLOCKSIZE]
705 CDROMREADMODE2 char [CD_FRAMESIZE_RAW0]
706 CDROMREADRAW char [CD_FRAMESIZE_RAW]
711 .BR EQL_GETSLAVECFG ,
712 .BR EQL_SETSLAVECFG ,
713 .BR EQL_GETMASTERCFG ,
717 .IR "struct ifreq *" .
720 field is a pointer to another structure as follows:
723 EQL_ENSLAVE const struct slaving_request *
724 EQL_EMANCIPATE const struct slaving_request *
725 EQL_GETSLAVECFG struct slave_config * // I-O
726 EQL_SETSLAVECFG const struct slave_config *
727 EQL_GETMASTERCFG struct master_config *
728 EQL_SETMASTERCFG const struct master_config *
733 .IR "struct floppy raw_cmd *" .
735 .I flags & FD_RAW_WRITE
738 points to an input buffer of length
741 .I flags & FD_RAW_READ
744 points to an output buffer of length
751 .I struct console_font_desc *
753 .IR "const struct console_font_desc *" ,
756 points to a buffer of
757 .IR "char [charcount]" .
758 This is an output buffer for
760 and an input buffer for
767 .I struct unimapdesc *
769 .IR "const struct unimapdesc *" ,
772 points to a buffer of
773 .IR "struct unipair [entry_ct]" .
774 This is an output buffer for
776 and an input buffer for
779 KDADDIO, KDDELIO, KDDISABIO, and KDENABIO enable or disable access to
781 They are essentially alternate interfaces to 'ioperm'.
786 enable or disable memory mappings or I/O port access.
787 They are not implemented in the kernel.
789 .B SCSI_IOCTL_PROBE_HOST
790 takes an input pointer
793 It uses the same pointer as an output pointer to a
795 buffer of this length.
800 take an input pointer whose type depends on
804 Most protocols const struct rtentry *
805 AX.25 const struct ax25_route *
806 NET/ROM const struct nr_route_struct *
811 .IR "struct ifconf *" .
814 field points to a buffer of length
816 bytes, into which the kernel writes a list of type
817 .IR "struct ifreq []" .
820 takes an input pointer whose type depends on the protocol:
823 Most protocols const struct ifreq *
824 AX.25 const char [AX25_ADDR_LEN]
830 It uses this to distinguish several
831 independent subcases.
838 is implicitly defined in
839 .IR drivers/char/selection.c
842 TIOCLINUX-2 1 + const struct selection *
845 TIOCLINUX-5 4 + const struct { long [8]; } *
848 TIOCLINUX-10 1 + const char *
853 This list does not include ioctls in the range
856 .BR SIOCPROTOPRIVATE .
859 0x00000001 FDSETPRM FIBMAP
860 0x00000002 FDDEFPRM FIGETBSZ
861 0x00005382 CDROMAUDIOBUFSIZ SCSI_IOCTL_GET_IDLUN
862 0x00005402 SNDCTL_TMR_START TCSETS
863 0x00005403 SNDCTL_TMR_STOP TCSETSW
864 0x00005404 SNDCTL_TMR_CONTINUE TCSETSF