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/* $NetBSD: majors+minors,v 1.3 1996/04/19 20:04:29 mark Exp $ */
/*
* Copyright (c) 1994 Mark Brinicombe.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* majors
*
* list of all allocated major numbers
*
* Created : 17/09/94
* Last updated : 30/12/95
*
* $Id: majors+minors,v 1.1 1996/04/24 11:08:39 deraadt Exp $
*/
List of allocated and reserved major and minor numbers
The block and character major numbers are ALWAYS allocated together to the
same device driver even if the driver does not require both.
0 B - reserved
0 C - memory device
minor = 0 - /dev/mem
minor = 1 - /dev/kmem
minor = 2 - /dev/null
minor = 3 - /dev/zero
1 B - swap device
1 C - psuedo swap device
minor = 0 - /dev/drum
2 B - reserved
2 C - console device
minor = 0 - /dev/console
3 B - reserved
3 C - controlling terminal
minor = 0 - /dev/tty
4 B - reserved
4 C - virtual console
/dev/ttyv{unit}
unit = minor
5 B - reserved
5 C - kernel log device
minor = 0 - /dev/klog
6 B - reserved
6 C - psuedo tty master
/dev/pty{class}{unit}
unit = minor % 16
minor / 16 = 0 - class = p
minor / 16 = 1 - class = q
minor / 16 = 2 - class = r
minor / 16 = 3 - class = s
minor / 16 = 4 - class = t
7 B - reserved
7 C - psuedo tty slave
/dev/tty{class}{unit}
unit = minor % 16
minor / 16 = 0 - class = p
minor / 16 = 1 - class = q
minor / 16 = 2 - class = r
minor / 16 = 3 - class = s
minor / 16 = 4 - class = t
8 B - reserved
8 C - parallel printer
/dev/lp{class}{unit}
unit = minor & 0x1f
minor & 0x80 = 0x00 - class = t - interrupt driver
minor & 0x80 = 0x80 - class = a - polling driver
e.g.
0 - /dev/lpt0
128 - /dev/lpa0
9 B - reserved
9 C - quadrature mouse
minor = 0 - /dev/quadmouse
10 B - reserved
10 C - beep device
minor = 0 - /dev/beep
11 B - reserved
11 C - keyboard device
minor = 0 - /dev/kbd
12 B - reserved
12 C - serial port
/dev/tty0{unit}
unit = minor
13 B - reserver
13 C - reserved
14 B - reserved
14 C - reserved
15 B - reserved
15 C - reserved
16 B - ST506/ESDI/IDE disk
/dev/wd{unit}{partition}
partition = minor % 8
unit = minor / 8
16 C - ST506/ESDI/IDE disk
/dev/rwd{unit}{partition}
partition = minor % 8
unit = minor / 8
17 B - floppy disk
/dev/fd{unit}{partition}
partition = minor % 8
unit = minor / 8
17 C - floppy disk
/dev/rfd{unit}{partition}
partition = minor % 8
unit = minor / 8
18 B - ram disk
/dev/rd{unit}{partition}
partition = minor % 8
unit = minor / 8
18 C - ram disk
/dev/rrd{unit}{partition}
partition = minor % 8
unit = minor / 8
19 B - vnode disk driver
/dev/vnd{unit}{partition}
partition = minor % 8
unit = minor / 8
19 C - vnode disk driver
/dev/rvnd{unit}{partition}
partition = minor % 8
unit = minor / 8
20 B - reserved (ATAPI CDROM)
/dev/wcd{unit}{partition}
partition = minor % 8
unit = minor / 8
20 C - reserved (ATAPI CDROM)
/dev/rwcd{unit}{partition}
partition = minor % 8
unit = minor / 8
21 B - concatenated disk driver
/dev/ccd{unit}{partition}
partition = minor % 8
unit = minor / 8
21 C - concatenated disk driver
/dev/rccd{unit}{partition}
partition = minor % 8
unit = minor / 8
22 B - reserved
22 C - reserved
23 B - reserved
23 C - reserved
24 B - SCSI disk
/dev/sd{unit}{partition}
partition = minor % 8
unit = minor / 8
24 C - SCSI disk
/dev/rsd{unit}{partition}
partition = minor % 8
unit = minor / 8
25 B - SCSI tape
25 C - SCSI tape
26 B - SCSI cdrom
/dev/cd{unit}{partition}
partition = minor % 8
unit = minor / 8
26 C - SCSI cdrom
/dev/rcd{unit}{partition}
partition = minor % 8
unit = minor / 8
27 B - reserved
27 C - SCSI autochanger
/dev/ch{unit}
unit = minor
28 B - reserved
28 C - SCSI unknown device
/dev/uk{unit}
unit = minor
29 B - reserved
29 C - SCSI scanner device
/dev/ss{unit}
unit = minor
30 B - reserved
30 C - reserved
31 B - reserved
31 C - reserved
32 B - reserved
32 C - Berkeley packet filter
/dev/bpf{unit}
unit = minor
minor = 0 - /dev/bpf0
minor = 1 - /dev/bpf1
minor = 2 - /dev/bpf2
minor = 3 - /dev/bpf3
33 B - reserved
33 C - network tunnel
/dev/tun{unit}
unit = minor
minor = 0 - /dev/tun0
minor = 1 - /dev/tun1
minor = 2 - /dev/tun2
34 B - reserved
34 C - file descriptor pseudo-device
minor = 0 - /dev/stdin
minor = 1 - /dev/stdout
minor = 2 - /dev/stderr
35 B - reserved
35 C - loadable module driver
minor = 0 - /dev/lkm
36 B - reserved
36 C - generic audio device
37 B - reserved
37 C - vidcvideo device
minor = 0 - /dev/vidcvideo
38 B - reserved
38 C - cpu/hydra
minor = 0 - /dev/cpu0
39 B - reserved
39 C - reserved
40 B - reserved
40 C - PS2 mouse
minor = 0 - /dev/pms
41 B - reserved
41 C - reserved
42 B - reserved
42 C - IIC device
43 B - reserved
43 C - RTC device
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