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           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
           // <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 *
           // <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 *
           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
           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]; } *
           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>
           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 *
           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 *
           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
           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).
               CDROMREADCOOKED    char [CD_FRAMESIZE]
               CDROMREADMODE2     char [CD_FRAMESIZE_RAW0]
               CDROMREADRAW       char [CD_FRAMESIZE_RAW]
           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
               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
               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
           0x00005382   CDROMAUDIOBUFSIZ      SCSI_IOCTL_GET_IDLUN
           0x00005402   SNDCTL_TMR_START      TCSETS
           0x00005403   SNDCTL_TMR_STOP       TCSETSW
           0x00005404   SNDCTL_TMR_CONTINUE   TCSETSF



    Linux 2013-09-17 IOCTL_LIST(2)


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