| Kernel v2.4.9 /Documentation/devices.txt |
|---|
  2.4.9
Documentation
 devices.txt
diff -u --recursive --new-file v2.4.8/linux/Documentation/devices.txt linux/Documentation/devices.txt
--- v2.4.8/linux/Documentation/devices.txt Sat May 19 17:43:05 2001
+++ linux/Documentation/devices.txt Sun Aug 12 17:36:24 2001
@@ -1,17 +1,19 @@
+
LINUX ALLOCATED DEVICES
Maintained by H. Peter Anvin <device@lanana.org>
- Last revised: December 29, 2000
+ Last revised: 3 June 2001
This list is the Linux Device List, the official registry of allocated
device numbers and /dev directory nodes for the Linux operating
system.
-The latest version of this list is included with the Linux kernel
-sources. It is also available separately from
-http://www.kernel.org/pub/linux/docs/device-list/ or
-ftp://ftp.kernel.org/pub/linux/docs/device-list/. The LaTeX version
-of this document is no longer maintained.
+The latest version of this list is available from
+http://www.lanana.org/docs/device-list/ or
+ftp://ftp.kernel.org/pub/linux/docs/device-list/. This version may be
+newer than the one distributed with the Linux kernel.
+
+The LaTeX version of this document is no longer maintained.
This document is included by reference into the Filesystem Hierarchy
Standard (FHS). The FHS is available from http://www.pathname.com/fhs/.
@@ -38,6 +40,13 @@
**** DEVICE DRIVERS AUTHORS PLEASE READ THIS ****
+THE DEVICE REGISTRY IS OFFICIALLY FROZEN FOR LINUS TORVALDS' KERNEL
+TREE. At Linus' request, no more allocations will be made official
+for Linus' kernel tree; the 3 June 2001 version of this list is the
+official final version of this registry. At Alan Cox' request,
+however, the registry will continue to be maintained for the -ac
+series of kernels, and registrations will be accepted.
+
To have a major number allocated, or a minor number in situations
where that applies (e.g. busmice), please contact me with the
appropriate device information. Also, if you have additional
@@ -391,12 +400,25 @@
199 = /dev/scanners/cuecat :CueCat barcode scanner
200 = /dev/net/tun TAP/TUN network device
201 = /dev/button/gulpb Transmeta GULP-B buttons
- 204 = /dev/video/em8300 EM8300 DVD decoder control
- 205 = /dev/video/em8300_mv EM8300 DVD decoder video
- 206 = /dev/video/em8300_ma EM8300 DVD decoder audio
- 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture
- 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller
- 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver
+ 204 = /dev/video/em8300 EM8300 DVD decoder control
+ 205 = /dev/video/em8300_mv EM8300 DVD decoder video
+ 206 = /dev/video/em8300_ma EM8300 DVD decoder audio
+ 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture
+ 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller
+ 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver
+ 210 = /dev/impi/bt IMPI coprocessor block transfer
+ 211 = /dev/impi/smic IMPI coprocessor stream interface
+ 212 = /dev/watchdogs/0 First watchdog device
+ 213 = /dev/watchdogs/1 Second watchdog device
+ 214 = /dev/watchdogs/2 Third watchdog device
+ 215 = /dev/watchdogs/3 Fourth watchdog device
+ 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel
+ 217 = /dev/ni/natmotn National Instruments Motion
+ 218 = /dev/kchuid Inter-process chuid control
+ 219 = /dev/modems/mwave MWave modem firmware upload
+ 220 = /dev/mptctl Message passing technology (MPT) control
+ 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver
+ 222 = /dev/mvista/hasi Montavista PICMG high availability
240-255 Reserved for local use
11 char Raw keyboard device
@@ -430,14 +452,19 @@
1 = /dev/dos_cd1 Second MSCDEX CD-ROM
...
- 13 char PC speaker (OBSOLETE)
- 0 = /dev/pcmixer Emulates /dev/mixer
- 1 = /dev/pcsp Emulates /dev/dsp (8-bit)
- 4 = /dev/pcaudio Emulates /dev/audio
- 5 = /dev/pcsp16 Emulates /dev/dsp (16-bit)
+ 13 char Input core
+ 0 = /dev/input/js0 First joystick
+ 1 = /dev/input/js1 Second joystick
+ ...
+ 32 = /dev/input/mouse0 First mouse
+ 33 = /dev/input/mouse1 Second mouse
+ ...
+ 63 = /dev/input/mice Unified mouse
+ 64 = /dev/input/event0 First event queue
+ 65 = /dev/input/event1 Second event queue
+ ...
- The current PC speaker driver uses the Open Sound
- System interface, and these devices are obsolete.
+ Each device type has 5 bits (32 minors).
block 8-bit MFM/RLL/IDE controller
0 = /dev/xda First XT disk whole disk
@@ -664,13 +691,12 @@
...
31 = /dev/fb31 32nd frame buffer
- Backward compatibility aliases {2.6}
-
- 32 = /dev/fb1 Second frame buffer
+ For backwards compatibility {2.6} the following
+ progression is also handled by current kernels:
+ 0 = /dev/fb0
+ 32 = /dev/fb1
...
- 224 = /dev/fb7 Eighth frame buffer
-
- All additional minor numbers are reserved.
+ 224 = /dev/fb7
block Aztech/Orchid/Okano/Wearnes CD-ROM
0 = /dev/aztcd Aztech CD-ROM
@@ -945,7 +971,7 @@
0 = /dev/rd/c0d0 First disk, whole disk
8 = /dev/rd/c0d1 Second disk, whole disk
...
- 248 = /dev/rd/c0d15 16th disk, whole disk
+ 248 = /dev/rd/c0d15 32nd disk, whole disk
For partitions add:
0 = /dev/rd/c?d? Whole disk
@@ -961,7 +987,7 @@
0 = /dev/rd/c1d0 First disk, whole disk
8 = /dev/rd/c1d1 Second disk, whole disk
...
- 248 = /dev/rd/c1d15 16th disk, whole disk
+ 248 = /dev/rd/c1d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -971,7 +997,7 @@
0 = /dev/rd/c2d0 First disk, whole disk
8 = /dev/rd/c2d1 Second disk, whole disk
...
- 248 = /dev/rd/c2d15 16th disk, whole disk
+ 248 = /dev/rd/c2d31 32nd disk, whole disk
51 char Baycom radio modem
0 = /dev/bc0 First Baycom radio modem
@@ -981,7 +1007,7 @@
0 = /dev/rd/c3d0 First disk, whole disk
8 = /dev/rd/c3d1 Second disk, whole disk
...
- 248 = /dev/rd/c3d15 16th disk, whole disk
+ 248 = /dev/rd/c3d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -994,7 +1020,7 @@
0 = /dev/rd/c4d0 First disk, whole disk
8 = /dev/rd/c4d1 Second disk, whole disk
...
- 248 = /dev/rd/c4d15 16th disk, whole disk
+ 248 = /dev/rd/c4d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -1016,7 +1042,7 @@
0 = /dev/rd/c5d0 First disk, whole disk
8 = /dev/rd/c5d1 Second disk, whole disk
...
- 248 = /dev/rd/c5d15 16th disk, whole disk
+ 248 = /dev/rd/c5d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -1033,7 +1059,7 @@
0 = /dev/rd/c6d0 First disk, whole disk
8 = /dev/rd/c6d1 Second disk, whole disk
...
- 248 = /dev/rd/c6d15 16th disk, whole disk
+ 248 = /dev/rd/c6d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -1043,7 +1069,7 @@
0 = /dev/rd/c7d0 First disk, whole disk
8 = /dev/rd/c7d1 Second disk, whole disk
...
- 248 = /dev/rd/c7d15 16th disk, whole disk
+ 248 = /dev/rd/c7d31 32nd disk, whole disk
Partitions are handled as for major 48.
@@ -1541,7 +1567,6 @@
Partitions are handled the same way as for the first
interface (see major number 3).
-
89 char I2C bus interface
0 = /dev/i2c-0 First I2C adapter
1 = /dev/i2c-1 Second I2C adapter
@@ -1610,23 +1635,29 @@
1 = /dev/dcxx1 Second capture card
...
+ block IBM S/390 DASD block storage
+ 0 = /dev/dasda First DASD device, major
+ 1 = /dev/dasda1 First DASD device, block 1
+ 2 = /dev/dasda2 First DASD device, block 2
+ 3 = /dev/dasda3 First DASD device, block 3
+ 4 = /dev/dasdb Second DASD device, major
+ 5 = /dev/dasdb1 Second DASD device, block 1
+ 6 = /dev/dasdb2 Second DASD device, block 2
+ 7 = /dev/dasdb3 Second DASD device, block 3
+ ...
+
95 char IP filter
0 = /dev/ipl Filter control device/log file
1 = /dev/ipnat NAT control device/log file
2 = /dev/ipstate State information log file
3 = /dev/ipauth Authentication control device/log file
-
- block IBM S/390 DASD block storage
- 0 = /dev/dasd0 First DASD device, major
- 1 = /dev/dasd0a First DASD device, block 1
- 2 = /dev/dasd0b First DASD device, block 2
- 3 = /dev/dasd0c First DASD device, block 3
- 4 = /dev/dasd1 Second DASD device, major
- 5 = /dev/dasd1a Second DASD device, block 1
- 6 = /dev/dasd1b Second DASD device, block 2
- 7 = /dev/dasd1c Second DASD device, block 3
...
+ block IBM S/390 VM/ESA minidisk
+ 0 = /dev/mnda First VM/ESA minidisk
+ 1 = /dev/mndb Second VM/ESA minidisk
+ ...
+
96 char Parallel port ATAPI tape devices
0 = /dev/pt0 First parallel port ATAPI tape
1 = /dev/pt1 Second parallel port ATAPI tape
@@ -1635,11 +1666,6 @@
129 = /dev/npt1 Second p.p. ATAPI tape, no rewind
...
- block IBM S/390 VM/ESA minidisk
- 0 = /dev/msd0 First VM/ESA minidisk
- 1 = /dev/msd1 Second VM/ESA minidisk
- ...
-
97 char Parallel port generic ATAPI interface
0 = /dev/pg0 First parallel port ATAPI device
1 = /dev/pg1 Second parallel port ATAPI device
@@ -1706,6 +1732,16 @@
2 = /dev/tlk2 Third Teletext decoder
3 = /dev/tlk3 Fourth Teletext decoder
+ block Compressed block device
+ 0 = /dev/cbd/a First compressed block device, whole device
+ 16 = /dev/cbd/b Second compressed block device, whole device
+ ...
+ 240 = /dev/cbd/p 16th compressed block device, whole device
+
+ Partitions are handled in the same way as for IDE
+ disks (see major number 3) except that the limit on
+ partitions is 15.
+
103 char Arla network file system
0 = /dev/xfs0 Arla XFS
@@ -1837,11 +1873,30 @@
There is currently a device-naming conflict between
these and PAM multimodems (major 78).
+ block IBM iSeries virtual disk
+ 0 = /dev/iseries/vda First virtual disk, whole disk
+ 8 = /dev/iseries/vdb Second virtual disk, whole disk
+ ...
+ 200 = /dev/iseries/vdz 26th virtual disk, whole disk
+ 208 = /dev/iseries/vdaa 27th virtual disk, whole disk
+ ...
+ 240 = /dev/iseries/vdaf 32nd virtual disk, whole disk
+
+ Partitions are handled in the same way as for IDE
+ disks (see major number 3) except that the limit on
+ partitions is 7.
+
113 char ISI serial card - alternate devices
0 = /dev/cum0 Callout device for ttyM0
1 = /dev/cum1 Callout device for ttyM1
...
+ block IBM iSeries virtual CD-ROM
+
+ 0 = /dev/iseries/vcda First virtual CD-ROM
+ 1 = /dev/iseries/vcdb Second virtual CD-ROM
+ ...
+
114 char Picture Elements ISE board
0 = /dev/ise0 First ISE board
1 = /dev/ise1 Second ISE board
@@ -2005,9 +2060,9 @@
...
162 char Raw block device interface
- 0 = /dev/raw Raw I/O control device
- 1 = /dev/raw1 First raw I/O device
- 2 = /dev/raw2 Second raw I/O device
+ 0 = /dev/rawctl Raw I/O control device
+ 1 = /dev/raw/raw1 First raw I/O device
+ 2 = /dev/raw/raw2 Second raw I/O device
...
163 char Radio Tech BIM-XXX-RS232 radio modem
@@ -2219,7 +2274,22 @@
...
255 = /dev/nvidiactl Nvidia card control device
-196-197 UNASSIGNED
+196 char Tormenta T1 card
+ 0 = /dev/tor/0 Master control channel for all cards
+ 1 = /dev/tor/1 First DS0
+ 2 = /dev/tor/2 Second DS0
+ ...
+ 48 = /dev/tor/48 48th DS0
+ 49 = /dev/tor/49 First pseudo-channel
+ 50 = /dev/tor/50 Second pseudo-channel
+ ...
+
+197 char OpenTNF tracing facility
+ 0 = /dev/tnf/t0 Trace 0 data extraction
+ 1 = /dev/tnf/t1 Trace 1 data extraction
+ ...
+ 128 = /dev/tnf/status Tracing facility status
+ 130 = /dev/tnf/trace Tracing device
198 char Total Impact TPMP2 quad coprocessor PCI card
0 = /dev/tpmp2/0 First card
@@ -2288,6 +2358,9 @@
16 = /dev/ttyAM0 ARM "AMBA" serial port 0
...
31 = /dev/ttyAM15 ARM "AMBA" serial port 15
+ 32 = /dev/ttyDB0 DataBooster serial port 0
+ ...
+ 39 = /dev/ttyDB7 DataBooster serial port 7
205 char Low-density serial ports (alternate device)
0 = /dev/culu0 Callout device for ttyLU0
@@ -2309,6 +2382,9 @@
16 = /dev/cuam0 Callout device for ttyAM0
...
31 = /dev/cuam15 Callout device for ttyAM15
+ 32 = /dev/cudb0 Callout device for ttyDB0
+ ...
+ 39 = /dev/cudb7 Callout device for ttyDB7
206 char OnStream SC-x0 tape devices
0 = /dev/osst0 First OnStream SCSI tape, mode 0
@@ -2450,7 +2526,59 @@
1 = /dev/cuy1 Callout device for ttyY1
...
-226-239 UNASSIGNED
+226 char Direct Rendering Infrastructure (DRI)
+ 0 = /dev/dri/card0 First graphics card
+ 1 = /dev/dri/card1 Second graphics card
+ ...
+
+227 char IBM 3270 terminal block-mode access
+ 0 = /dev/3270/tub Controlling interface
+ 1 = /dev/3270/tub1 First 3270 terminal
+ 2 = /dev/3270/tub2 Second 3270 terminal
+ ...
+
+228 char IBM 3270 terminal Unix tty access
+ 1 = /dev/3270/tty1 First 3270 terminal
+ 2 = /dev/3270/tty2 Seconds 3270 terminal
+ ...
+
+229 char IBM iSeries virtual console
+ 0 = /dev/iseries/vtty0 First console port
+ 1 = /dev/iseries/vtty1 Second console port
+ ...
+
+230 char IBM iSeries virtual tape
+ 0 = /dev/iseries/vt0 First virtual tape, mode 0
+ 1 = /dev/iseries/vt1 Second virtual tape, mode 0
+ ...
+ 32 = /dev/iseries/vt0l First virtual tape, mode 1
+ 33 = /dev/iseries/vt1l Second virtual tape, mode 1
+ ...
+ 64 = /dev/iseries/vt0m First virtual tape, mode 2
+ 65 = /dev/iseries/vt1m Second virtual tape, mode 2
+ ...
+ 96 = /dev/iseries/vt0a First virtual tape, mode 3
+ 97 = /dev/iseries/vt1a Second virtual tape, mode 3
+ ...
+ 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind
+ 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind
+ ...
+ 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind
+ 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind
+ ...
+ 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind
+ 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind
+ ...
+ 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind
+ 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind
+ ...
+
+ "No rewind" refers to the omission of the default
+ automatic rewind on device close. The MTREW or MTOFFL
+ ioctl()'s can be used to rewind the tape regardless of
+ the device used to access it.
+
+231-239 UNASSIGNED
240-254 LOCAL/EXPERIMENTAL USE
@@ -2647,3 +2775,4 @@
in our notation). This removes the problem of exhausting the
namespace and enables the kernel to automatically create the device
nodes for the slaves on demand using the "devpts" filesystem.
+
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