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IOCTL_LIST(2)		   Linux Programmer's Manual		 IOCTL_LIST(2)

       ioctl_list - list of ioctl calls in Linux/i386 kernel

       This  is	 Ioctl List 1.3.27, a list of ioctl calls in Linux/i386 kernel
       1.3.27.	It contains 421	 ioctls	 from  </usr/include/{asm,linux}/*.h>.
       For  each  ioctl,  its numerical value, its name, and its argument type
       are given.

       An argument type of const struct foo * means the argument is  input  to
       the  kernel.   struct  foo * means the kernel outputs the argument.  If
       the kernel uses the argument for both input and output, this is	marked
       with // I-O.

       Some  ioctls  take  more	 arguments or return more values than a single
       structure.  These are marked // MORE and documented further in a	 sepa‐
       rate section.

       This list is very incomplete.

   ioctl structure
       Ioctl  command  values  are  32-bit constants.  In principle these con‐
       stants are completely arbitrary, but people have tried  to  build  some
       structure into them.

       The  old Linux situation was that of mostly 16-bit constants, where the
       last byte is a serial number, and the preceding	byte(s)	 give  a  type
       indicating  the	driver.	 Sometimes the major number was used: 0x03 for
       the HDIO_* ioctls, 0x06 for the LP* ioctls.  And sometimes one or  more
       ASCII  letters  were  used.   For example, TCGETS has value 0x00005401,
       with 0x54 = 'T' indicating the terminal driver,	and  CYGETTIMEOUT  has
       value  0x00435906,  with	 0x43  0x59  = 'C' 'Y' indicating the cyclades

       Later (0.98p5) some more information was built into  the	 number.   One
       has  2  direction  bits (00: none, 01: write, 10: read, 11: read/write)
       followed by 14 size bits (giving the size of the argument), followed by
       an  8-bit type (collecting the ioctls in groups for a common purpose or
       a common driver), and an 8-bit serial number.

       The macros describing this structure  live  in  <asm/ioctl.h>  and  are
       _IO(type,nr)    and    {_IOR,_IOW,_IOWR}(type,nr,size).	   They	   use
       sizeof(size) so that size is a misnomer here: this third argument is  a
       data type.

       Note  that the size bits are very unreliable: in lots of cases they are
       wrong, either because of buggy macros using sizeof(sizeof(struct)),  or
       because of legacy values.

       Thus,  it seems that the new structure only gave disadvantages: it does
       not help in checking, but it causes  varying  values  for  the  various

       Decent  ioctls  return  0  on success and -1 on error, while any output
       value is stored via the argument.  However, quite a few ioctls in  fact
       return an output value.	This is not yet indicated below.

       // Main table.

       // <include/asm-i386/socket.h>

       0x00008901   FIOSETOWN	 const int *
       0x00008902   SIOCSPGRP	 const int *
       0x00008903   FIOGETOWN	 int *
       0x00008904   SIOCGPGRP	 int *
       0x00008905   SIOCATMAR	 int *
       0x00008906   SIOCGSTAMP	 timeval *

       // <include/asm-i386/termios.h>

       0x00005401   TCGETS	     struct termios *
       0x00005402   TCSETS	     const struct termios *
       0x00005403   TCSETSW	     const struct termios *
       0x00005404   TCSETSF	     const struct termios *
       0x00005405   TCGETA	     struct termio *
       0x00005406   TCSETA	     const struct termio *
       0x00005407   TCSETAW	     const struct termio *
       0x00005408   TCSETAF	     const struct termio *
       0x00005409   TCSBRK	     int
       0x0000540A   TCXONC	     int
       0x0000540B   TCFLSH	     int
       0x0000540C   TIOCEXCL	     void
       0x0000540D   TIOCNXCL	     void
       0x0000540E   TIOCSCTTY	     int
       0x0000540F   TIOCGPGRP	     pid_t *
       0x00005410   TIOCSPGRP	     const pid_t *
       0x00005411   TIOCOUTQ	     int *
       0x00005412   TIOCSTI	     const char *
       0x00005413   TIOCGWINSZ	     struct winsize *
       0x00005414   TIOCSWINSZ	     const struct winsize *
       0x00005415   TIOCMGET	     int *
       0x00005416   TIOCMBIS	     const int *
       0x00005417   TIOCMBIC	     const int *
       0x00005418   TIOCMSET	     const int *
       0x00005419   TIOCGSOFTCAR     int *
       0x0000541A   TIOCSSOFTCAR     const int *
       0x0000541B   FIONREAD	     int *
       0x0000541B   TIOCINQ	     int *
       0x0000541C   TIOCLINUX	     const char *		    // MORE
       0x0000541D   TIOCCONS	     void
       0x0000541E   TIOCGSERIAL	     struct serial_struct *
       0x0000541F   TIOCSSERIAL	     const struct serial_struct *
       0x00005420   TIOCPKT	     const int *
       0x00005421   FIONBIO	     const int *
       0x00005422   TIOCNOTTY	     void
       0x00005423   TIOCSETD	     const int *
       0x00005424   TIOCGETD	     int *
       0x00005425   TCSBRKP	     int
       0x00005426   TIOCTTYGSTRUCT   struct tty_struct *
       0x00005450   FIONCLEX	     void
       0x00005451   FIOCLEX	     void
       0x00005452   FIOASYNC	     const int *
       0x00005453   TIOCSERCONFIG    void
       0x00005454   TIOCSERGWILD     int *
       0x00005455   TIOCSERSWILD     const int *
       0x00005456   TIOCGLCKTRMIOS   struct termios *
       0x00005457   TIOCSLCKTRMIOS   const struct termios *
       0x00005458   TIOCSERGSTRUCT   struct async_struct *
       0x00005459   TIOCSERGETLSR    int *

       0x0000545A   TIOCSERGETMULTI   struct serial_multiport_struct *
       0x0000545B   TIOCSERSETMULTI   const struct serial_multiport_struct *

       // <include/linux/ax25.h>

       0x000089E0   SIOCAX25GETUID     const struct sockaddr_ax25 *

       0x000089E1   SIOCAX25ADDUID     const struct sockaddr_ax25 *
       0x000089E2   SIOCAX25DELUID     const struct sockaddr_ax25 *
       0x000089E3   SIOCAX25NOUID      const int *
       0x000089E4   SIOCAX25DIGCTL     const int *
       0x000089E5   SIOCAX25GETPARMS   struct ax25_parms_struct *     // I-O

       0x000089E6   SIOCAX25SETPARMS   const struct ax25_parms_struct *

       // <include/linux/cdk.h>

       0x00007314   STL_BINTR	 void
       0x00007315   STL_BSTART	 void
       0x00007316   STL_BSTOP	 void
       0x00007317   STL_BRESET	 void

       // <include/linux/cdrom.h>

       0x00005301   CDROMPAUSE	      void
       0x00005302   CDROMRESUME	      void
       0x00005303   CDROMPLAYMSF      const struct cdrom_msf *
       0x00005304   CDROMPLAYTRKIND   const struct cdrom_ti *
       0x00005305   CDROMREADTOCHDR   struct cdrom_tochdr *

       0x00005306   CDROMREADTOCENTRY	struct cdrom_tocentry *	  // I-O

       0x00005307   CDROMSTOP	     void
       0x00005308   CDROMSTART	     void
       0x00005309   CDROMEJECT	     void
       0x0000530A   CDROMVOLCTRL     const struct cdrom_volctrl *
       0x0000530B   CDROMSUBCHNL     struct cdrom_subchnl *	       // I-O
       0x0000530C   CDROMREADMODE2   const struct cdrom_msf *	       // MORE
       0x0000530D   CDROMREADMODE1   const struct cdrom_msf *	       // MORE
       0x0000530E   CDROMREADAUDIO   const struct cdrom_read_audio *   // MORE
       0x0000530F   CDROMEJECT_SW    int

       0x00005310   CDROMMULTISESSION	struct cdrom_multisession *   // I-O

       0x00005311   CDROM_GET_UPC     struct { char [8]; } *
       0x00005312   CDROMRESET	      void
       0x00005313   CDROMVOLREAD      struct cdrom_volctrl *
       0x00005314   CDROMREADRAW      const struct cdrom_msf *	 // MORE
       0x00005315   CDROMREADCOOKED   const struct cdrom_msf *	 // MORE
       0x00005316   CDROMSEEK	      const struct cdrom_msf *

       // <include/linux/cm206.h>

       0x00002000   CM206CTL_GET_STAT	     int
       0x00002001   CM206CTL_GET_LAST_STAT   int

       // <include/linux/cyclades.h>

       0x00435901   CYGETMON	      struct cyclades_monitor *
       0x00435902   CYGETTHRESH	      int *
       0x00435903   CYSETTHRESH	      int
       0x00435904   CYGETDEFTHRESH    int *
       0x00435905   CYSETDEFTHRESH    int
       0x00435906   CYGETTIMEOUT      int *
       0x00435907   CYSETTIMEOUT      int
       0x00435908   CYGETDEFTIMEOUT   int *
       0x00435909   CYSETDEFTIMEOUT   int

       // <include/linux/ext2_fs.h>

       0x80046601   EXT2_IOC_GETFLAGS	  int *
       0x40046602   EXT2_IOC_SETFLAGS	  const int *

       0x80047601   EXT2_IOC_GETVERSION	  int *
       0x40047602   EXT2_IOC_SETVERSION	  const int *

       // <include/linux/fd.h>

       0x00000000   FDCLRPRM	     void
       0x00000001   FDSETPRM	     const struct floppy_struct *
       0x00000002   FDDEFPRM	     const struct floppy_struct *
       0x00000003   FDGETPRM	     struct floppy_struct *
       0x00000004   FDMSGON	     void
       0x00000005   FDMSGOFF	     void
       0x00000006   FDFMTBEG	     void
       0x00000007   FDFMTTRK	     const struct format_descr *
       0x00000008   FDFMTEND	     void
       0x0000000A   FDSETEMSGTRESH   int
       0x0000000B   FDFLUSH	     void
       0x0000000C   FDSETMAXERRS     const struct floppy_max_errors *
       0x0000000E   FDGETMAXERRS     struct floppy_max_errors *
       0x00000010   FDGETDRVTYP	     struct { char [16]; } *
       0x00000014   FDSETDRVPRM	     const struct floppy_drive_params *
       0x00000015   FDGETDRVPRM	     struct floppy_drive_params *
       0x00000016   FDGETDRVSTAT     struct floppy_drive_struct *
       0x00000017   FDPOLLDRVSTAT    struct floppy_drive_struct *
       0x00000018   FDRESET	     int
       0x00000019   FDGETFDCSTAT     struct floppy_fdc_state *
       0x0000001B   FDWERRORCLR	     void
       0x0000001C   FDWERRORGET	     struct floppy_write_errors *

       0x0000001E   FDRAWCMD	struct floppy_raw_cmd *	  // MORE // I-O
       0x00000028   FDTWADDLE	void

       // <include/linux/fs.h>

       0x0000125D   BLKROSET	 const int *
       0x0000125E   BLKROGET	 int *
       0x0000125F   BLKRRPART	 void
       0x00001260   BLKGETSIZE	 unsigned long *
       0x00001261   BLKFLSBUF	 void
       0x00001262   BLKRASET	 int
       0x00001263   BLKRAGET	 int *
       0x00000001   FIBMAP	 int *		   // I-O
       0x00000002   FIGETBSZ	 int *

       // <include/linux/hdreg.h>

       0x00000301   HDIO_GETGEO		    struct hd_geometry *
       0x00000302   HDIO_GET_UNMASKINTR	    int *
       0x00000304   HDIO_GET_MULTCOUNT	    int *
       0x00000307   HDIO_GET_IDENTITY	    struct hd_driveid *
       0x00000308   HDIO_GET_KEEPSETTINGS   int *
       0x00000309   HDIO_GET_CHIPSET	    int *
       0x0000030A   HDIO_GET_NOWERR	    int *
       0x0000030B   HDIO_GET_DMA	    int *
       0x0000031F   HDIO_DRIVE_CMD	    int *		   // I-O
       0x00000321   HDIO_SET_MULTCOUNT	    int
       0x00000322   HDIO_SET_UNMASKINTR	    int
       0x00000323   HDIO_SET_KEEPSETTINGS   int
       0x00000324   HDIO_SET_CHIPSET	    int
       0x00000325   HDIO_SET_NOWERR	    int
       0x00000326   HDIO_SET_DMA	    int

       // <include/linux/if_eql.h>

       0x000089F0   EQL_ENSLAVE	      struct ifreq *   // MORE // I-O
       0x000089F1   EQL_EMANCIPATE    struct ifreq *   // MORE // I-O

       0x000089F2   EQL_GETSLAVECFG   struct ifreq *   // MORE // I-O
       0x000089F3   EQL_SETSLAVECFG   struct ifreq *   // MORE // I-O
       0x000089F4   EQL_GETMASTRCFG   struct ifreq *   // MORE // I-O
       0x000089F5   EQL_SETMASTRCFG   struct ifreq *   // MORE // I-O

       // <include/linux/if_plip.h>

       0x000089F0   SIOCDEVPLIP	  struct ifreq *   // I-O

       // <include/linux/if_ppp.h>

       0x00005490   PPPIOCGFLAGS       int *
       0x00005491   PPPIOCSFLAGS       const int *
       0x00005492   PPPIOCGASYNCMAP    int *
       0x00005493   PPPIOCSASYNCMAP    const int *
       0x00005494   PPPIOCGUNIT	       int *
       0x00005495   PPPIOCSINPSIG      const int *
       0x00005497   PPPIOCSDEBUG       const int *
       0x00005498   PPPIOCGDEBUG       int *
       0x00005499   PPPIOCGSTAT	       struct ppp_stats *
       0x0000549A   PPPIOCGTIME	       struct ppp_ddinfo *
       0x0000549B   PPPIOCGXASYNCMAP   struct { int [8]; } *
       0x0000549C   PPPIOCSXASYNCMAP   const struct { int [8]; } *
       0x0000549D   PPPIOCSMRU	       const int *
       0x0000549E   PPPIOCRASYNCMAP    const int *
       0x0000549F   PPPIOCSMAXCID      const int *

       // <include/linux/ipx.h>

       0x000089E0   SIOCAIPXITFCRT   const char *
       0x000089E1   SIOCAIPXPRISLT   const char *
       0x000089E2   SIOCIPXCFGDATA   struct ipx_config_data *

       // <include/linux/kd.h>

       0x00004B60   GIO_FONT   struct { char [8192]; } *
       0x00004B61   PIO_FONT   const struct { char [8192]; } *

       0x00004B6B  GIO_FONTX  struct console_font_desc *	// MORE // I-O
       0x00004B6C  PIO_FONTX  const struct console_font_desc *	//MORE

       0x00004B70   GIO_CMAP   struct { char [48]; } *
       0x00004B71   PIO_CMAP   const struct { char [48]; }

       0x00004B2F   KIOCSOUND	  int
       0x00004B30   KDMKTONE	  int
       0x00004B31   KDGETLED	  char *
       0x00004B32   KDSETLED	  int
       0x00004B33   KDGKBTYPE	  char *
       0x00004B34   KDADDIO	  int				 // MORE
       0x00004B35   KDDELIO	  int				 // MORE
       0x00004B36   KDENABIO	  void				 // MORE
       0x00004B37   KDDISABIO	  void				 // MORE
       0x00004B3A   KDSETMODE	  int
       0x00004B3B   KDGETMODE	  int *
       0x00004B3C   KDMAPDISP	  void				 // MORE
       0x00004B3D   KDUNMAPDISP	  void				 // MORE
       0x00004B40   GIO_SCRNMAP	  struct { char [E_TABSZ]; } *

       0x00004B41   PIO_SCRNMAP	     const struct { char [E_TABSZ]; } *
       0x00004B69   GIO_UNISCRNMAP   struct { short [E_TABSZ]; } *
       0x00004B6A   PIO_UNISCRNMAP   const struct { short [E_TABSZ]; } *

       0x00004B66   GIO_UNIMAP	    struct unimapdesc *		// MORE // I-O
       0x00004B67   PIO_UNIMAP	    const struct unimapdesc *	// MORE

       0x00004B68   PIO_UNIMAPCLR   const struct unimapinit *
       0x00004B44   KDGKBMODE	    int *
       0x00004B45   KDSKBMODE	    int
       0x00004B62   KDGKBMETA	    int *
       0x00004B63   KDSKBMETA	    int
       0x00004B64   KDGKBLED	    int *
       0x00004B65   KDSKBLED	    int
       0x00004B46   KDGKBENT	    struct kbentry *		// I-O
       0x00004B47   KDSKBENT	    const struct kbentry *
       0x00004B48   KDGKBSENT	    struct kbsentry *		// I-O
       0x00004B49   KDSKBSENT	    const struct kbsentry *
       0x00004B4A   KDGKBDIACR	    struct kbdiacrs *
       0x00004B4B   KDSKBDIACR	    const struct kbdiacrs *
       0x00004B4C   KDGETKEYCODE    struct kbkeycode *		// I-O
       0x00004B4D   KDSETKEYCODE    const struct kbkeycode *
       0x00004B4E   KDSIGACCEPT	    int

       // <include/linux/lp.h>

       0x00000601   LPCHAR	  int
       0x00000602   LPTIME	  int
       0x00000604   LPABORT	  int
       0x00000605   LPSETIRQ	  int
       0x00000606   LPGETIRQ	  int *
       0x00000608   LPWAIT	  int
       0x00000609   LPCAREFUL	  int
       0x0000060A   LPABORTOPEN	  int
       0x0000060B   LPGETSTATUS	  int *
       0x0000060C   LPRESET	  void
       0x0000060D   LPGETSTATS	  struct lp_stats *

       // <include/linux/mroute.h>

       0x000089E0   SIOCGETVIFCNT   struct sioc_vif_req *   // I-O
       0x000089E1   SIOCGETSGCNT    struct sioc_sg_req *    // I-O

       // <include/linux/msdos_fs.h>

       0x82307201   VFAT_IOCTL_READDIR_BOTH    struct dirent [2]
       0x82307202   VFAT_IOCTL_READDIR_SHORT   struct dirent [2]
       0x80047210   FAT_IOCTL_GET_ATTRIBUTES   __u32 *
       0x40047211   FAT_IOCTL_SET_ATTRIBUTES   const __u32 *

       // <include/linux/mtio.h>

       0x40086D01   MTIOCTOP	     const struct mtop *
       0x801C6D02   MTIOCGET	     struct mtget *
       0x80046D03   MTIOCPOS	     struct mtpos *
       0x80206D04   MTIOCGETCONFIG   struct mtconfiginfo *
       0x40206D05   MTIOCSETCONFIG   const struct mtconfiginfo *

       // <include/linux/netrom.h>

       0x000089E0   SIOCNRGETPARMS   struct nr_parms_struct *	      // I-O
       0x000089E1   SIOCNRSETPARMS   const struct nr_parms_struct *
       0x000089E2   SIOCNRDECOBS     void
       0x000089E3   SIOCNRRTCTL	     const int *

       // <include/linux/sbpcd.h>

       0x00009000   DDIOCSDBG	       const int *
       0x00005382   CDROMAUDIOBUFSIZ   int

       // <include/linux/scc.h>

       0x00005470   TIOCSCCINI	  void
       0x00005471   TIOCCHANINI	  const struct scc_modem *
       0x00005472   TIOCGKISS	  struct ioctl_command *	 // I-O
       0x00005473   TIOCSKISS	  const struct ioctl_command *
       0x00005474   TIOCSCCSTAT	  struct scc_stat *

       // <include/linux/scsi.h>

       0x00005382   SCSI_IOCTL_GET_IDLUN	struct { int [2]; } *
       0x00005383   SCSI_IOCTL_TAGGED_ENABLE	void
       0x00005384   SCSI_IOCTL_TAGGED_DISABLE	void

       0x00005385   SCSI_IOCTL_PROBE_HOST   const int *	  // MORE

       // <include/linux/smb_fs.h>

       0x80027501   SMB_IOC_GETMOUNTUID	  uid_t *

       // <include/linux/sockios.h>

       0x0000890B   SIOCADDRT	     const struct rtentry *   // MORE
       0x0000890C   SIOCDELRT	     const struct rtentry *   // MORE
       0x00008910   SIOCGIFNAME	     char []
       0x00008911   SIOCSIFLINK	     void
       0x00008912   SIOCGIFCONF	     struct ifconf *	      // MORE // I-O
       0x00008913   SIOCGIFFLAGS     struct ifreq *	      // I-O
       0x00008914   SIOCSIFFLAGS     const struct ifreq *
       0x00008915   SIOCGIFADDR	     struct ifreq *	      // I-O
       0x00008916   SIOCSIFADDR	     const struct ifreq *
       0x00008917   SIOCGIFDSTADDR   struct ifreq *	      // I-O
       0x00008918   SIOCSIFDSTADDR   const struct ifreq *
       0x00008919   SIOCGIFBRDADDR   struct ifreq *	      // I-O
       0x0000891A   SIOCSIFBRDADDR   const struct ifreq *
       0x0000891B   SIOCGIFNETMASK   struct ifreq *	      // I-O
       0x0000891C   SIOCSIFNETMASK   const struct ifreq *
       0x0000891D   SIOCGIFMETRIC    struct ifreq *	      // I-O
       0x0000891E   SIOCSIFMETRIC    const struct ifreq *
       0x0000891F   SIOCGIFMEM	     struct ifreq *	      // I-O
       0x00008920   SIOCSIFMEM	     const struct ifreq *
       0x00008921   SIOCGIFMTU	     struct ifreq *	      // I-O
       0x00008922   SIOCSIFMTU	     const struct ifreq *

       0x00008923   OLD_SIOCGIFHWADDR	struct ifreq *		// I-O
       0x00008924   SIOCSIFHWADDR	const struct ifreq *	// MORE
       0x00008925   SIOCGIFENCAP	int *
       0x00008926   SIOCSIFENCAP	const int *
       0x00008927   SIOCGIFHWADDR	struct ifreq *		// I-O
       0x00008929   SIOCGIFSLAVE	void
       0x00008930   SIOCSIFSLAVE	void
       0x00008931   SIOCADDMULTI	const struct ifreq *
       0x00008932   SIOCDELMULTI	const struct ifreq *
       0x00008940   SIOCADDRTOLD	void
       0x00008941   SIOCDELRTOLD	void
       0x00008950   SIOCDARP		const struct arpreq *
       0x00008951   SIOCGARP		struct arpreq *		// I-O
       0x00008952   SIOCSARP		const struct arpreq *
       0x00008960   SIOCDRARP		const struct arpreq *
       0x00008961   SIOCGRARP		struct arpreq *		// I-O
       0x00008962   SIOCSRARP		const struct arpreq *
       0x00008970   SIOCGIFMAP		struct ifreq *		// I-O
       0x00008971   SIOCSIFMAP		const struct ifreq *

       // <include/linux/soundcard.h>

       0x00005100   SNDCTL_SEQ_RESET   void

       0x00005101   SNDCTL_SEQ_SYNC    void

       0xC08C5102   SNDCTL_SYNTH_INFO	     struct synth_info *   // I-O
       0xC0045103   SNDCTL_SEQ_CTRLRATE	     int *		   // I-O
       0x80045104   SNDCTL_SEQ_GETOUTCOUNT   int *
       0x80045105   SNDCTL_SEQ_GETINCOUNT    int *
       0x40045106   SNDCTL_SEQ_PERCMODE	     void

       0x40285107   SNDCTL_FM_LOAD_INSTR   const struct sbi_instrument *

       0x40045108   SNDCTL_SEQ_TESTMIDI	      const int *
       0x40045109   SNDCTL_SEQ_RESETSAMPLES   const int *
       0x8004510A   SNDCTL_SEQ_NRSYNTHS	      int *
       0x8004510B   SNDCTL_SEQ_NRMIDIS	      int *
       0xC074510C   SNDCTL_MIDI_INFO	      struct midi_info *     // I-O
       0x4004510D   SNDCTL_SEQ_THRESHOLD      const int *
       0xC004510E   SNDCTL_SYNTH_MEMAVL	      int *		     // I-O
       0x4004510F   SNDCTL_FM_4OP_ENABLE      const int *
       0xCFB85110   SNDCTL_PMGR_ACCESS	      struct patmgr_info *   // I-O
       0x00005111   SNDCTL_SEQ_PANIC	      void

       0x40085112   SNDCTL_SEQ_OUTOFBAND   const struct seq_event_rec *

       0xC0045401   SNDCTL_TMR_TIMEBASE	   int *		  // I-O
       0x00005402   SNDCTL_TMR_START	   void
       0x00005403   SNDCTL_TMR_STOP	   void
       0x00005404   SNDCTL_TMR_CONTINUE	   void
       0xC0045405   SNDCTL_TMR_TEMPO	   int *		  // I-O
       0xC0045406   SNDCTL_TMR_SOURCE	   int *		  // I-O
       0x40045407   SNDCTL_TMR_METRONOME   const int *
       0x40045408   SNDCTL_TMR_SELECT	   int *		  // I-O
       0xCFB85001   SNDCTL_PMGR_IFACE	   struct patmgr_info *	  // I-O
       0xC0046D00   SNDCTL_MIDI_PRETIME	   int *		  // I-O
       0xC0046D01   SNDCTL_MIDI_MPUMODE	   const int *

       0xC0216D02   SNDCTL_MIDI_MPUCMD	 struct mpu_command_rec *   // I-O

       0x00005000   SNDCTL_DSP_RESET	       void
       0x00005001   SNDCTL_DSP_SYNC	       void
       0xC0045002   SNDCTL_DSP_SPEED	       int *   // I-O
       0xC0045003   SNDCTL_DSP_STEREO	       int *   // I-O
       0xC0045004   SNDCTL_DSP_GETBLKSIZE      int *   // I-O
       0xC0045006   SOUND_PCM_WRITE_CHANNELS   int *   // I-O
       0xC0045007   SOUND_PCM_WRITE_FILTER     int *   // I-O
       0x00005008   SNDCTL_DSP_POST	       void
       0xC0045009   SNDCTL_DSP_SUBDIVIDE       int *   // I-O
       0xC004500A   SNDCTL_DSP_SETFRAGMENT     int *   // I-O
       0x8004500B   SNDCTL_DSP_GETFMTS	       int *
       0xC0045005   SNDCTL_DSP_SETFMT	       int *   // I-O

       0x800C500C   SNDCTL_DSP_GETOSPACE      struct audio_buf_info *
       0x800C500D   SNDCTL_DSP_GETISPACE      struct audio_buf_info *
       0x0000500E   SNDCTL_DSP_NONBLOCK	      void
       0x80045002   SOUND_PCM_READ_RATE	      int *
       0x80045006   SOUND_PCM_READ_CHANNELS   int *
       0x80045005   SOUND_PCM_READ_BITS	      int *
       0x80045007   SOUND_PCM_READ_FILTER     int *
       0x00004300   SNDCTL_COPR_RESET	      void
       0xCFB04301   SNDCTL_COPR_LOAD	      const struct copr_buffer *

       0xC0144302   SNDCTL_COPR_RDATA	struct copr_debug_buf *	  // I-O
       0xC0144303   SNDCTL_COPR_RCODE	struct copr_debug_buf *	  // I-O

       0x40144304   SNDCTL_COPR_WDATA	const struct copr_debug_buf *
       0x40144305   SNDCTL_COPR_WCODE	const struct copr_debug_buf *

       0xC0144306   SNDCTL_COPR_RUN    struct copr_debug_buf *	 // I-O
       0xC0144307   SNDCTL_COPR_HALT   struct copr_debug_buf *	 // I-O

       0x4FA44308   SNDCTL_COPR_SENDMSG		  const struct copr_msg *
       0x8FA44309   SNDCTL_COPR_RCVMSG		  struct copr_msg *
       0x80044D00   SOUND_MIXER_READ_VOLUME	  int *
       0x80044D01   SOUND_MIXER_READ_BASS	  int *
       0x80044D02   SOUND_MIXER_READ_TREBLE	  int *
       0x80044D03   SOUND_MIXER_READ_SYNTH	  int *
       0x80044D04   SOUND_MIXER_READ_PCM	  int *
       0x80044D05   SOUND_MIXER_READ_SPEAKER	  int *
       0x80044D06   SOUND_MIXER_READ_LINE	  int *
       0x80044D07   SOUND_MIXER_READ_MIC	  int *
       0x80044D08   SOUND_MIXER_READ_CD		  int *
       0x80044D09   SOUND_MIXER_READ_IMIX	  int *
       0x80044D0A   SOUND_MIXER_READ_ALTPCM	  int *
       0x80044D0B   SOUND_MIXER_READ_RECLEV	  int *
       0x80044D0C   SOUND_MIXER_READ_IGAIN	  int *
       0x80044D0D   SOUND_MIXER_READ_OGAIN	  int *
       0x80044D0E   SOUND_MIXER_READ_LINE1	  int *
       0x80044D0F   SOUND_MIXER_READ_LINE2	  int *
       0x80044D10   SOUND_MIXER_READ_LINE3	  int *
       0x80044D1C   SOUND_MIXER_READ_MUTE	  int *
       0x80044D1D   SOUND_MIXER_READ_ENHANCE	  int *
       0x80044D1E   SOUND_MIXER_READ_LOUD	  int *
       0x80044DFF   SOUND_MIXER_READ_RECSRC	  int *
       0x80044DFE   SOUND_MIXER_READ_DEVMASK	  int *
       0x80044DFD   SOUND_MIXER_READ_RECMASK	  int *
       0x80044DFB   SOUND_MIXER_READ_STEREODEVS	  int *
       0x80044DFC   SOUND_MIXER_READ_CAPS	  int *

       0xC0044D00   SOUND_MIXER_WRITE_VOLUME	int *	// I-O
       0xC0044D01   SOUND_MIXER_WRITE_BASS	int *	// I-O
       0xC0044D02   SOUND_MIXER_WRITE_TREBLE	int *	// I-O
       0xC0044D03   SOUND_MIXER_WRITE_SYNTH	int *	// I-O
       0xC0044D04   SOUND_MIXER_WRITE_PCM	int *	// I-O
       0xC0044D05   SOUND_MIXER_WRITE_SPEAKER	int *	// I-O
       0xC0044D06   SOUND_MIXER_WRITE_LINE	int *	// I-O
       0xC0044D07   SOUND_MIXER_WRITE_MIC	int *	// I-O
       0xC0044D08   SOUND_MIXER_WRITE_CD	int *	// I-O
       0xC0044D09   SOUND_MIXER_WRITE_IMIX	int *	// I-O
       0xC0044D0A   SOUND_MIXER_WRITE_ALTPCM	int *	// I-O
       0xC0044D0B   SOUND_MIXER_WRITE_RECLEV	int *	// I-O
       0xC0044D0C   SOUND_MIXER_WRITE_IGAIN	int *	// I-O
       0xC0044D0D   SOUND_MIXER_WRITE_OGAIN	int *	// I-O
       0xC0044D0E   SOUND_MIXER_WRITE_LINE1	int *	// I-O
       0xC0044D0F   SOUND_MIXER_WRITE_LINE2	int *	// I-O
       0xC0044D10   SOUND_MIXER_WRITE_LINE3	int *	// I-O
       0xC0044D1C   SOUND_MIXER_WRITE_MUTE	int *	// I-O
       0xC0044D1D   SOUND_MIXER_WRITE_ENHANCE	int *	// I-O
       0xC0044D1E   SOUND_MIXER_WRITE_LOUD	int *	// I-O
       0xC0044DFF   SOUND_MIXER_WRITE_RECSRC	int *	// I-O

       // <include/linux/umsdos_fs.h>

       0x000004D2   UMSDOS_READDIR_DOS	 struct umsdos_ioctl *	       // I-O
       0x000004D3   UMSDOS_UNLINK_DOS	 const struct umsdos_ioctl *
       0x000004D4   UMSDOS_RMDIR_DOS	 const struct umsdos_ioctl *
       0x000004D5   UMSDOS_STAT_DOS	 struct umsdos_ioctl *	       // I-O
       0x000004D6   UMSDOS_CREAT_EMD	 const struct umsdos_ioctl *
       0x000004D7   UMSDOS_UNLINK_EMD	 const struct umsdos_ioctl *
       0x000004D8   UMSDOS_READDIR_EMD	 struct umsdos_ioctl *	       // I-O
       0x000004D9   UMSDOS_GETVERSION	 struct umsdos_ioctl *
       0x000004DA   UMSDOS_INIT_EMD	 void
       0x000004DB   UMSDOS_DOS_SETUP	 const struct umsdos_ioctl *

       0x000004DC   UMSDOS_RENAME_DOS	 const struct umsdos_ioctl *

       // <include/linux/vt.h>

       0x00005600   VT_OPENQRY	     int *
       0x00005601   VT_GETMODE	     struct vt_mode *
       0x00005602   VT_SETMODE	     const struct vt_mode *
       0x00005603   VT_GETSTATE	     struct vt_stat *
       0x00005604   VT_SENDSIG	     void
       0x00005605   VT_RELDISP	     int
       0x00005606   VT_ACTIVATE	     int
       0x00005607   VT_WAITACTIVE    int
       0x00005608   VT_DISALLOCATE   int
       0x00005609   VT_RESIZE	     const struct vt_sizes *
       0x0000560A   VT_RESIZEX	     const struct vt_consize *

       //  More	 arguments.   Some ioctl's take a pointer to a structure which
       contains additional pointers.  These are documented here in  alphabeti‐
       cal order.

       CDROMREADAUDIO  takes an input pointer const struct cdrom_read_audio *.
       The buf field points to an output buffer of length nframes *  CD_FRAME‐

       an input pointer const struct cdrom_msf *.  They use the	 same  pointer
       as  an  output  pointer to char [].  The length varies by request.  For
       CDROMREADMODE1, most drivers use CD_FRAMESIZE, but the  Optics  Storage
       driver uses OPT_BLOCKSIZE instead (both have the numerical value 2048).


       MASTERCFG, and EQL_SETMASTERCFG take a struct  ifreq *.	 The  ifr_data
       field is a pointer to another structure as follows:

	   EQL_ENSLAVE	       const struct slaving_request *
	   EQL_EMANCIPATE      const struct slaving_request *
	   EQL_GETSLAVECFG     struct slave_config *	       // I-O
	   EQL_SETSLAVECFG     const struct slave_config *
	   EQL_GETMASTERCFG    struct master_config *
	   EQL_SETMASTERCFG    const struct master_config *

       FDRAWCMD	 takes	a struct floppy raw_cmd *.  If flags & FD_RAW_WRITE is
       nonzero, then data points to an input  buffer  of  length  length.   If
       flags & FD_RAW_READ is nonzero, then data points to an output buffer of
       length length.

       GIO_FONTX and PIO_FONTX take a struct console_font_desc *  or  a	 const
       struct  console_font_desc *, respectively.  chardata points to a buffer
       of char [charcount].  This is an output buffer  for  GIO_FONTX  and  an
       input buffer for PIO_FONTX.

       GIO_UNIMAP  and PIO_UNIMAP take a struct unimapdesc * or a const struct
       unimapdesc *, respectively.  entries points to a buffer of struct  uni‐
       pair  [entry_ct].  This is an output buffer for GIO_UNIMAP and an input
       buffer for PIO_UNIMAP.

       KDADDIO, KDDELIO, KDDISABIO, and KDENABIO enable or disable  access  to
       I/O ports.  They are essentially alternate interfaces to 'ioperm'.

       KDMAPDISP and KDUNMAPDISP enable or disable memory mappings or I/O port
       access.	They are not implemented in the kernel.

       SCSI_IOCTL_PROBE_HOST takes an input pointer const int *,  which	 is  a
       length.	 It  uses  the	same pointer as an output pointer to a char []
       buffer of this length.

       SIOCADDRT and SIOCDELRT take an input pointer whose type depends on the

	   Most protocols      const struct rtentry *
	   AX.25	       const struct ax25_route *
	   NET/ROM	       const struct nr_route_struct *

       SIOCGIFCONF  takes  a  struct  ifconf *.	 The ifc_buf field points to a
       buffer of length ifc_len bytes, into which the kernel writes a list  of
       type struct ifreq [].

       SIOCSIFHWADDR  takes  an input pointer whose type depends on the proto‐

	   Most protocols      const struct ifreq *
	   AX.25	       const char [AX25_ADDR_LEN]

       TIOCLINUX takes a const char *.	It uses this  to  distinguish  several
       independent  subcases.	In the table below, N + foo means foo after an
       N-byte  pad.   struct  selection	 is  implicitly	  defined   in	 driv‐

	   TIOCLINUX-2	       1 + const struct selection *
	   TIOCLINUX-3	       void
	   TIOCLINUX-4	       void
	   TIOCLINUX-5	       4 + const struct { long [8]; } *
	   TIOCLINUX-6	       char *
	   TIOCLINUX-7	       char *
	   TIOCLINUX-10	       1 + const char *

       // Duplicate ioctls

       This  list  does	 not  include  ioctls  in the range SIOCDEVPRIVATE and

       0x00000001   FDSETPRM		  FIBMAP
       0x00000002   FDDEFPRM		  FIGETBSZ
       0x00005402   SNDCTL_TMR_START	  TCSETS
       0x00005403   SNDCTL_TMR_STOP	  TCSETSW
       0x00005404   SNDCTL_TMR_CONTINUE	  TCSETSF


       This page is part of release 3.54 of the Linux  man-pages  project.   A
       description  of	the project, and information about reporting bugs, can
       be found at

Linux				  2013-09-17			 IOCTL_LIST(2)

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