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r: 29055
b: refs/heads/master
c: 1142021
h: refs/heads/master
i:
  29053: 6378240
  29051: e59b13a
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v: v3
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Jan Engelhardt authored and Linus Torvalds committed Jun 23, 2006
1 parent bdc5acf commit 2579713
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2 changes: 1 addition & 1 deletion [refs]
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---
refs/heads/master: 9becde79d2c5e382d955167c07017b5e34b142f0
refs/heads/master: 11420211b8123d0e2f71945ad022e8eec28ebfce
135 changes: 111 additions & 24 deletions trunk/Documentation/devices.txt
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Expand Up @@ -3,7 +3,7 @@

Maintained by Torben Mathiasen <device@lanana.org>

Last revised: 25 January 2005
Last revised: 01 March 2006

This list is the Linux Device List, the official registry of allocated
device numbers and /dev directory nodes for the Linux operating
Expand Down Expand Up @@ -94,7 +94,6 @@ Your cooperation is appreciated.
9 = /dev/urandom Faster, less secure random number gen.
10 = /dev/aio Asyncronous I/O notification interface
11 = /dev/kmsg Writes to this come out as printk's
12 = /dev/oldmem Access to crash dump from kexec kernel
1 block RAM disk
0 = /dev/ram0 First RAM disk
1 = /dev/ram1 Second RAM disk
Expand Down Expand Up @@ -262,13 +261,13 @@ Your cooperation is appreciated.
NOTE: These devices permit both read and write access.

7 block Loopback devices
0 = /dev/loop0 First loopback device
1 = /dev/loop1 Second loopback device
0 = /dev/loop0 First loop device
1 = /dev/loop1 Second loop device
...

The loopback devices are used to mount filesystems not
The loop devices are used to mount filesystems not
associated with block devices. The binding to the
loopback devices is handled by mount(8) or losetup(8).
loop devices is handled by mount(8) or losetup(8).

8 block SCSI disk devices (0-15)
0 = /dev/sda First SCSI disk whole disk
Expand Down Expand Up @@ -943,7 +942,7 @@ Your cooperation is appreciated.
240 = /dev/ftlp FTL on 16th Memory Technology Device

Partitions are handled in the same way as for IDE
disks (see major number 3) expect that the partition
disks (see major number 3) except that the partition
limit is 15 rather than 63 per disk (same as SCSI.)

45 char isdn4linux ISDN BRI driver
Expand Down Expand Up @@ -1168,7 +1167,7 @@ Your cooperation is appreciated.
The filename of the encrypted container and the passwords
are sent via ioctls (using the sdmount tool) to the master
node which then activates them via one of the
/dev/scramdisk/x nodes for loopback mounting (all handled
/dev/scramdisk/x nodes for loop mounting (all handled
through the sdmount tool).

Requested by: andy@scramdisklinux.org
Expand Down Expand Up @@ -2538,18 +2537,32 @@ Your cooperation is appreciated.
0 = /dev/usb/lp0 First USB printer
...
15 = /dev/usb/lp15 16th USB printer
16 = /dev/usb/mouse0 First USB mouse
...
31 = /dev/usb/mouse15 16th USB mouse
32 = /dev/usb/ez0 First USB firmware loader
...
47 = /dev/usb/ez15 16th USB firmware loader
48 = /dev/usb/scanner0 First USB scanner
...
63 = /dev/usb/scanner15 16th USB scanner
64 = /dev/usb/rio500 Diamond Rio 500
65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de)
66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD)
96 = /dev/usb/hiddev0 1st USB HID device
...
111 = /dev/usb/hiddev15 16th USB HID device
112 = /dev/usb/auer0 1st auerswald ISDN device
...
127 = /dev/usb/auer15 16th auerswald ISDN device
128 = /dev/usb/brlvgr0 First Braille Voyager device
...
131 = /dev/usb/brlvgr3 Fourth Braille Voyager device
132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device
133 = /dev/usb/sisusbvga1 First SiSUSB VGA device
...
140 = /dev/usb/sisusbvga8 Eigth SISUSB VGA device
144 = /dev/usb/lcd USB LCD device
160 = /dev/usb/legousbtower0 1st USB Legotower device
...
175 = /dev/usb/legousbtower15 16th USB Legotower device
240 = /dev/usb/dabusb0 First daubusb device
...
243 = /dev/usb/dabusb3 Fourth dabusb device

180 block USB block devices
0 = /dev/uba First USB block device
Expand Down Expand Up @@ -2710,6 +2723,17 @@ Your cooperation is appreciated.
1 = /dev/cpu/1/msr MSRs on CPU 1
...

202 block Xen Virtual Block Device
0 = /dev/xvda First Xen VBD whole disk
16 = /dev/xvdb Second Xen VBD whole disk
32 = /dev/xvdc Third Xen VBD whole disk
...
240 = /dev/xvdp Sixteenth Xen VBD whole disk

Partitions are handled in the same way as for IDE
disks (see major number 3) except that the limit on
partitions is 15.

203 char CPU CPUID information
0 = /dev/cpu/0/cpuid CPUID on CPU 0
1 = /dev/cpu/1/cpuid CPUID on CPU 1
Expand Down Expand Up @@ -2747,11 +2771,26 @@ Your cooperation is appreciated.
46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0
...
47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5
50 = /dev/ttyIOC40 Altix serial card
50 = /dev/ttyIOC0 Altix serial card
...
81 = /dev/ttyIOC31 Altix serial card
82 = /dev/ttyVR0 NEC VR4100 series SIU
83 = /dev/ttyVR1 NEC VR4100 series DSIU
84 = /dev/ttyIOC84 Altix ioc4 serial card
...
115 = /dev/ttyIOC115 Altix ioc4 serial card
116 = /dev/ttySIOC0 Altix ioc3 serial card
...
147 = /dev/ttySIOC31 Altix ioc3 serial card
148 = /dev/ttyPSC0 PPC PSC - port 0
...
153 = /dev/ttyPSC5 PPC PSC - port 5
154 = /dev/ttyAT0 ATMEL serial port 0
...
81 = /dev/ttyIOC431 Altix serial card
82 = /dev/ttyVR0 NEC VR4100 series SIU
83 = /dev/ttyVR1 NEC VR4100 series DSIU
169 = /dev/ttyAT15 ATMEL serial port 15
170 = /dev/ttyNX0 Hilscher netX serial port 0
...
185 = /dev/ttyNX15 Hilscher netX serial port 15

205 char Low-density serial ports (alternate device)
0 = /dev/culu0 Callout device for ttyLU0
Expand Down Expand Up @@ -2786,8 +2825,8 @@ Your cooperation is appreciated.
50 = /dev/cuioc40 Callout device for ttyIOC40
...
81 = /dev/cuioc431 Callout device for ttyIOC431
82 = /dev/cuvr0 Callout device for ttyVR0
83 = /dev/cuvr1 Callout device for ttyVR1
82 = /dev/cuvr0 Callout device for ttyVR0
83 = /dev/cuvr1 Callout device for ttyVR1


206 char OnStream SC-x0 tape devices
Expand Down Expand Up @@ -2897,7 +2936,6 @@ Your cooperation is appreciated.
...
196 = /dev/dvb/adapter3/video0 first video decoder of fourth card


216 char Bluetooth RFCOMM TTY devices
0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device
1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device
Expand Down Expand Up @@ -3002,12 +3040,43 @@ Your cooperation is appreciated.
ioctl()'s can be used to rewind the tape regardless of
the device used to access it.

231 char InfiniBand MAD
231 char InfiniBand
0 = /dev/infiniband/umad0
1 = /dev/infiniband/umad1
...
...
63 = /dev/infiniband/umad63 63rd InfiniBandMad device
64 = /dev/infiniband/issm0 First InfiniBand IsSM device
65 = /dev/infiniband/issm1 Second InfiniBand IsSM device
...
127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device
128 = /dev/infiniband/uverbs0 First InfiniBand verbs device
129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
...
159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device

232 char Biometric Devices
0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device
1 = /dev/biometric/sensor0/iris first iris sensor on first device
2 = /dev/biometric/sensor0/retina first retina sensor on first device
3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device
4 = /dev/biometric/sensor0/facial first facial sensor on first device
5 = /dev/biometric/sensor0/hand first hand sensor on first device
...
10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device
...
20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device
...

232-239 UNASSIGNED
233 char PathScale InfiniPath interconnect
0 = /dev/ipath Primary device for programs (any unit)
1 = /dev/ipath0 Access specifically to unit 0
2 = /dev/ipath1 Access specifically to unit 1
...
4 = /dev/ipath3 Access specifically to unit 3
129 = /dev/ipath_sma Device used by Subnet Management Agent
130 = /dev/ipath_diag Device used by diagnostics programs

234-239 UNASSIGNED

240-254 char LOCAL/EXPERIMENTAL USE
240-254 block LOCAL/EXPERIMENTAL USE
Expand All @@ -3021,6 +3090,24 @@ Your cooperation is appreciated.
This major is reserved to assist the expansion to a
larger number space. No device nodes with this major
should ever be created on the filesystem.
(This is probaly not true anymore, but I'll leave it
for now /Torben)

---LARGE MAJORS!!!!!---

256 char Equinox SST multi-port serial boards
0 = /dev/ttyEQ0 First serial port on first Equinox SST board
127 = /dev/ttyEQ127 Last serial port on first Equinox SST board
128 = /dev/ttyEQ128 First serial port on second Equinox SST board
...
1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board

256 block Resident Flash Disk Flash Translation Layer
0 = /dev/rfda First RFD FTL layer
16 = /dev/rfdb Second RFD FTL layer
...
240 = /dev/rfdp 16th RFD FTL layer


**** ADDITIONAL /dev DIRECTORY ENTRIES

Expand Down

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