The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/i386/conf/majors.i386

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    1 $FreeBSD: src/sys/i386/conf/majors.i386,v 1.9.2.12 1999/09/05 08:10:53 peter Exp $
    2 
    3 Hopefully, this list will one day be obsoleted by DEVFS, but for now
    4 this is the current allocation of device major numbers.
    5 
    6 For local use, you are encouraged to use the reserved numbers.
    7 
    8 If you intend the driver to be available, send email to the
    9 hackers@freebsd.org mailing list to see about having a number
   10 reserved for you.
   11 
   12 The most "complete" version of this will be the one in FreeBSD-current.
   13 (see http://www.freebsd.org/ or from ftp://ftp.cdrom.com/pub/FreeBSD/)
   14 
   15 blkdev  name            comments
   16 0       wd              ST506 disk controller (with IDE extensions)
   17 1       wfd             ATAPI Floppy client of "ata"
   18 2       fd              floppy disk
   19 3       wt              QIC-02/36 tape
   20 4       sd              SCSI "disk" type
   21 5       st              SCSI "tape" type
   22 6       cd              SCSI "cdrom" type
   23 7       mcd             Mitsumi CDROM interface
   24 8       lkm             assigned to Loadable Kernel modules
   25 9       lkm             assigned to Loadable Kernel modules
   26 10      lkm             assigned to Loadable Kernel modules
   27 11      lkm             assigned to Loadable Kernel modules
   28 12      lkm             assigned to Loadable Kernel modules
   29 13      lkm             assigned to Loadable Kernel modules
   30 14      ??              reserved for local use
   31 15      vn              vnode disk device
   32 16      scd             Sony CDROM interface
   33 17      matcd           Matsushita/Panasonic/Creative(SB) CDROM interface
   34 18      ata             "device independent" ATA/IDE driver
   35 19      wcdb            ATAPI CDROM client of "ata"
   36 20      od              SCSI "magneto-optical" disk
   37 21      ccd             concatenated disk
   38 22      gd              Geometry disk.
   39 23      worm            SCSI "worm type"
   40 24      ??              (wstb in 3.x)
   41 25      ??              (vinum RAID fs in 3.x)
   42 26      sw              VM internal swap device
   43 chrdev  name            comments
   44 0       cn              console
   45 1       ctty            /dev/tty
   46 2       mm              /dev/mem,kmem,etc
   47 3       wd              ST506 disk controller (with IDE extensions)
   48 4       swap            /dev/drum
   49 5       pts             pseudo tty "tty" half
   50 6       ptc             pseudo tty "master" half
   51 7       log             system log
   52 8       bqu             B004 transputer board
   53 9       fd              floppy disk
   54 10      wt              QIC-02/36 tape
   55 11      spigot          Video capture?
   56 12      sc              syscons/pcvt virtual consoles
   57 13      sd              SCSI "disk type"
   58 14      st              SCSI "tape type"
   59 15      cd              SCSI "CDROM type"
   60 16      lpt             PC parallel printer port
   61 17      ch              SCSI changer
   62 18      su              SCSI universal type
   63 19      tw              X-10 power interface
   64 20      ??              reserved for local use
   65 21      psm             PS/2 Mouse
   66 22      fd              (/dev/stdin etc)
   67 23      bpf             Berkeley Packet Filter
   68 24      pca             PC speaker (/dev/pcaudio)
   69 25      ??              was vat
   70 26      spkr            PC speaker (/dev/spkr)
   71 27      mse             Microsoft bus-mouse
   72 28      sio             16450/16550 serial
   73 29      mcd             Mitsumi CDROM interface
   74 30      snd             sound driver system
   75 31      uk              SCSI "unknown device type"
   76 32      lkmc            Loadable Kernel Module Controller
   77 33      lkm             assigned to Loadable Kernel Modules
   78 34      lkm             assigned to Loadable Kernel Modules
   79 35      lkm             assigned to Loadable Kernel Modules
   80 36      lkm             assigned to Loadable Kernel Modules
   81 37      lkm             assigned to Loadable Kernel Modules
   82 38      lkm             assigned to Loadable Kernel Modules
   83 39      apm             Advanced Power Management
   84 40      ctx             Cortex
   85 41      ??              was socksys
   86 42      cx              Cronyx
   87 43      vn              vnode "disk" device
   88 44      gp              GPIB
   89 45      scd             Sony CDROM interface
   90 46      matcd           Matsushita/Panasonic/Creative(SB) CDROM interface
   91 47      gsc             Genius Scanner
   92 48      cy              Cyclades
   93 49      ssc             SCSI super device
   94 50      card            pcmcia cards
   95 51      joy             joystick
   96 52      tun             IP tunnel device
   97 53      snp             tty snoop
   98 54      OLDnic          ISDN system
   99 55      OLDisdn         ISDN system
  100 56      OLDity          ISDN system
  101 57      OLDitel         ISDN system
  102 58      dgb             Digiboard
  103 59      OLDispy         ISDN system
  104 60      OLDnnic         ISDN system
  105 61      pt              SCSI "processor type"
  106 62      worm            SCSI "worm type"
  107 63      rc              Riscom/8 driver
  108 64      ??              Talisman
  109 65      sctarg          SCSI target
  110 66      labpc           National Instruments LabPC
  111 67      meteor          Matrox Meteor video capture
  112 68      si              Specialix SI/XIO (peter@freebsd.org)
  113 69      wcd             ATAPI CDROM client of "ata"
  114 70      od              SCSI "magneto-optical disk type"
  115 71      asc             AmiScan driver
  116 72      stl             Stallion (cd1400 based) (gerg@stallion.oz.au)
  117 73      qcam            quickcam
  118 74      ccd             concatenated disk
  119 75      stli            Stallion (intelligent cdk based) (gerg@stallion.oz.au)
  120 76      scc             IBM Smart Capture Card (ohashi@mickey.ai.kyutech.ac.jp)
  121 77      cyy             Cyclades Ye/PCI serial card
  122 78      pci             PCI bus
  123 79      ipl             IP Filter
  124 80      xdcp            Assigned to Chris Ficklin <chris@serengeti.com>
  125 81      ??              RocketPort/Steve Gericke <steveg@comtrol.com>
  126 82      ppi             Generic Parallel I/O <Nicolas.Souchu@prism.uvsq.fr>
  127 87      wfd             ATAPI floppy client of "ata"
  128 88      dpt             DPT RAID Controller <shimon@simon-shapiro.org>
  129 89      pps             Pulse-Per-Second timing interface
  130 90      wst             ATAPI tape client of "ata"
  131 91      vinum           RAID fs
  132 92      bktr            Bt848 video capture driver (hasty@star-gate.com)
  133 93      coda            CODA filesystem.
  134 94      loran           Loran-C Receiver
  135 95      gd              Geometry disk
  136 96      altq            alternate queueing (including cbq, red, wfq)
  137 104     xpt             CAM Transport Layer Services

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