OpenCores
URL https://opencores.org/ocsvn/or1k/or1k/trunk

Subversion Repositories or1k

[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [Documentation/] [devices.txt] - Blame information for rev 1777

Go to most recent revision | Details | Compare with Previous | View Log

Line No. Rev Author Line
1 1625 jcastillo
                       LINUX ALLOCATED DEVICES
2
 
3
             Maintained by H. Peter Anvin 
4
 
5
                     Last revised: July 9, 1996
6
 
7
This list is the successor to Rick Miller's Linux Device List, which
8
he stopped maintaining when he got busy with other things in 1993.  It
9
is a registry of allocated major device numbers, as well as the
10
recommended /dev directory nodes for these devices.
11
 
12
The latest version of this list is included with the Linux kernel
13
sources in LaTeX and ASCII form.  In case of discrepancy, the LaTeX
14
version is authoritative.
15
 
16
This document is included by reference into the Linux Filesystem
17
Standard (FSSTND).  The FSSTND is available via FTP from
18
tsx-11.mit.edu in the directory /pub/linux/docs/linux-standards/fsstnd.
19
 
20
To have a major number allocated, or a minor number in situations
21
where that applies (e.g. busmice), please contact me with the
22
appropriate device information.  Also, if you have additional
23
information regarding any of the devices listed below, or if I have
24
made a mistake, I would greatly appreciate a note.  When sending me
25
mail, please include the word "device" in the subject so your mail
26
won't accidentally get buried!
27
 
28
Allocations marked (68k/Amiga) apply to Linux/68k on the Amiga
29
platform only.  Allocations marked (68k/Atari) apply to Linux/68k on
30
the Atari platform only.
31
 
32
This document is in the public domain.  The author requests, however,
33
that semantically altered versions are not distributed without
34
permission of the author, assuming the author can be contacted without
35
an unreasonable effort.
36
 
37
In particular, please don't sent patches for this list to Linus, at
38
least not without contacting me first.
39
 
40
I do not have any information about these devices beyond what appears
41
on this list.  Any such information requests will be deleted without
42
reply.
43
 
44
 
45
 
46
 
47
  1 char        Memory devices
48
                  1 = /dev/mem          Physical memory access
49
                  2 = /dev/kmem         Kernel virtual memory access
50
                  3 = /dev/null         Null device
51
                  4 = /dev/port         I/O port access
52
                  5 = /dev/zero         Null byte source
53
                  6 = /dev/core         OBSOLETE - replaced by /proc/kcore
54
                  7 = /dev/full         Returns ENOSPC on write
55
                  8 = /dev/random       Nondeterministic random number gen.
56
                  9 = /dev/urandom      Faster, less secure random number gen.
57
    block       RAM disk
58
 
59
                    ...
60
                  7 = /dev/ram7         Eighth RAM disk
61
                250 = /dev/initrd       Initial RAM disk
62
 
63
                Older kernels had /dev/ramdisk (1, 1) here.
64
                /dev/initrd refers to a RAM disk which was preloaded
65
                by the boot loader.
66
 
67
  2 char        Pseudo-TTY masters
68
 
69
                  1 = /dev/ptyp1        Second PTY master
70
                    ...
71
                255 = /dev/ptyef        256th PTY master
72
 
73
                Pseudo-tty's are named as follows:
74
                * Masters are "pty", slaves are "tty";
75
                * the fourth letter is one of pqrstuvwxyzabcde indicating
76
                  the 1st through 16th series of 16 pseudo-ttys each, and
77
                * the fifth letter is one of 0123456789abcdef indicating
78
                  the position within the series.
79
 
80
    block       Floppy disks
81
 
82
                  1 = /dev/fd1          Controller 1, drive 2 autodetect
83
                  2 = /dev/fd2          Controller 1, drive 3 autodetect
84
                  3 = /dev/fd3          Controller 1, drive 4 autodetect
85
                128 = /dev/fd4          Controller 2, drive 1 autodetect
86
                129 = /dev/fd5          Controller 2, drive 2 autodetect
87
                130 = /dev/fd6          Controller 2, drive 3 autodetect
88
                131 = /dev/fd7          Controller 2, drive 4 autodetect
89
 
90
                To specify format, add to the autodetect device number:
91
 
92
                  4 = /dev/fd?d360      5.25"  360K in a 360K  drive(1)
93
                 20 = /dev/fd?h360      5.25"  360K in a 1200K drive(1)
94
                 48 = /dev/fd?h410      5.25"  410K in a 1200K drive
95
                 64 = /dev/fd?h420      5.25"  420K in a 1200K drive
96
                 24 = /dev/fd?h720      5.25"  720K in a 1200K drive
97
                 80 = /dev/fd?h880      5.25"  880K in a 1200K drive(1)
98
                  8 = /dev/fd?h1200     5.25" 1200K in a 1200K drive(1)
99
                 40 = /dev/fd?h1440     5.25" 1440K in a 1200K drive(1)
100
                 56 = /dev/fd?h1476     5.25" 1476K in a 1200K drive
101
                 72 = /dev/fd?h1494     5.25" 1494K in a 1200K drive
102
                 92 = /dev/fd?h1600     5.25" 1600K in a 1200K drive(1)
103
 
104
                 12 = /dev/fd?u360      3.5"   360K Double Density
105
                120 = /dev/fd?u800      3.5"   800K Double Density(1)
106
                 52 = /dev/fd?u820      3.5"   820K Double Density(2)
107
                 68 = /dev/fd?u830      3.5"   830K Double Density
108
                 84 = /dev/fd?u1040     3.5"  1040K Double Density(1)
109
                 88 = /dev/fd?u1120     3.5"  1120K Double Density(1)
110
                 28 = /dev/fd?u1440     3.5"  1440K High Density(1)
111
                124 = /dev/fd?u1600     3.5"  1600K High Density(1)
112
                 44 = /dev/fd?u1680     3.5"  1680K High Density(3)
113
                 60 = /dev/fd?u1722     3.5"  1722K High Density
114
                 76 = /dev/fd?u1743     3.5"  1743K High Density
115
                 96 = /dev/fd?u1760     3.5"  1760K High Density
116
                116 = /dev/fd?u1840     3.5"  1840K High Density(3)
117
                100 = /dev/fd?u1920     3.5"  1920K High Density(1)
118
                 32 = /dev/fd?u2880     3.5"  2880K Extra Density(1)
119
                104 = /dev/fd?u3200     3.5"  3200K Extra Density
120
                108 = /dev/fd?u3520     3.5"  3520K Extra Density
121
                112 = /dev/fd?u3840     3.5"  3840K Extra Density(1)
122
 
123
                 36 = /dev/fd?CompaQ    Compaq 2880K drive; obsolete?
124
 
125
                (1) Autodetectable format
126
                (2) Autodetectable format in a Double Density (720K) drive only
127
                (3) Autodetectable format in a High Density (1440K) drive only
128
 
129
                NOTE: The letter in the device name (d, q, h or u)
130
                signifies the type of drive: 5.25" Double Density (d),
131
                5.25" Quad Density (q), 5.25" High Density (h) or 3.5"
132
                (any model, u).  The use of the capital letters D, H
133
                and E for the 3.5" models have been deprecated, since
134
                the drive type is insignificant for these devices.
135
 
136
  3 char        Pseudo-TTY slaves
137
 
138
                  1 = /dev/ttyp1        Second PTY slave
139
                    ...
140
                256 = /dev/ttyef        256th PTY slave
141
 
142
    block       First MFM, RLL and IDE hard disk/CD-ROM interface
143
 
144
                 64 = /dev/hdb          Slave: whole disk (or CD-ROM)
145
 
146
                For partitions, add to the whole disk device number:
147
 
148
                  1 = /dev/hd?1         First partition
149
                  2 = /dev/hd?2         Second partition
150
                    ...
151
                 63 = /dev/hd?63        63rd partition
152
 
153
                For Linux/i386, partitions 1-4 are the primary
154
                partitions, and 5 and above are logical partitions.
155
                Other versions of Linux use partitioning schemes
156
                appropriate to their respective architectures.
157
 
158
  4 char        TTY devices
159
 
160
 
161
                  1 = /dev/tty1         First virtual console
162
                      ...
163
                 63 = /dev/tty63        63rd virtual console
164
                 64 = /dev/ttyS0        First serial port
165
                      ...
166
                127 = /dev/ttyS63       64th serial port
167
                128 = /dev/ptyp0        First pseudo-tty master
168
                      ...
169
                191 = /dev/ptysf        64th pseudo-tty master
170
                192 = /dev/ttyp0        First pseudo-tty slave
171
                      ...
172
                255 = /dev/ttysf        64th pseudo-tty slave
173
 
174
                For compatibility with previous versions of Linux, the
175
                first 64 PTYs are replicated under this device
176
                number.  This use will be obsolescent with the release
177
                of Linux 1.4 and may be removed in a future version of
178
                Linux.
179
 
180
  5 char        Alternate TTY devices
181
 
182
                 64 = /dev/cua0         Callout device corresponding to ttyS0
183
                      ...
184
                127 = /dev/cua63        Callout device corresponding to ttyS63
185
 
186
  6 char        Parallel printer devices
187
 
188
                  1 = /dev/lp1          Second parallel printer (0x378)
189
                  2 = /dev/lp2          Third parallel printer (0x278)
190
 
191
                Not all computers have the 0x3bc parallel port; hence
192
                the "first" printer may be either /dev/lp0 or
193
                /dev/lp1.
194
 
195
  7 char        Virtual console capture devices
196
 
197
                  1 = /dev/vcs1         tty1 text contents
198
                      ...
199
                 63 = /dev/vcs63        tty63 text contents
200
                128 = /dev/vcsa         Current vc text/attribute contents
201
                129 = /dev/vcsa1        tty1 text/attribute contents
202
                      ...
203
                191 = /dev/vcsa63       tty63 text/attribute contents
204
 
205
                NOTE: These devices permit both read and write access.
206
 
207
    block       Loopback devices
208
 
209
                  1 = /dev/loop1        Second loopback device
210
                      ...
211
 
212
                The loopback devices are used to mount filesystems not
213
                associated with block devices.  The binding to the
214
                loopback devices is usually handled by mount(8).
215
 
216
  8 block       SCSI disk devices
217
 
218
                 16 = /dev/sdb          Second SCSI disk whole disk
219
                 32 = /dev/sdc          Third SCSI disk whole disk
220
                      ...
221
                240 = /dev/sdp          Sixteenth SCSI disk whole disk
222
 
223
                Partitions are handled in the same way as for IDE
224
                disks (see major number 3) except that the limit on
225
                partitions is 15.
226
 
227
  9 char        SCSI tape devices
228
 
229
                  1 = /dev/st1          Second SCSI tape, mode 0
230
                      ...
231
                 32 = /dev/st0l         First SCSI tape, mode 1
232
                 33 = /dev/st1l         Second SCSI tape, mode 1
233
                      ...
234
                 64 = /dev/st0m         First SCSI tape, mode 2
235
                 65 = /dev/st1m         Second SCSI tape, mode 2
236
                      ...
237
                 96 = /dev/st0a         First SCSI tape, mode 3
238
                 97 = /dev/st1a         Second SCSI tape, mode 3
239
                      ...
240
                128 = /dev/nst0         First SCSI tape, mode 0, no rewind
241
                129 = /dev/nst1         Second SCSI tape, mode 0, no rewind
242
                      ...
243
                160 = /dev/nst0l        First SCSI tape, mode 1, no rewind
244
                161 = /dev/nst1l        Second SCSI tape, mode 1, no rewind
245
                      ...
246
                192 = /dev/nst0m        First SCSI tape, mode 2, no rewind
247
                193 = /dev/nst1m        Second SCSI tape, mode 2, no rewind
248
                      ...
249
                224 = /dev/nst0a        First SCSI tape, mode 3, no rewind
250
                225 = /dev/nst1a        Second SCSI tape, mode 3, no rewind
251
                      ...
252
 
253
                "No rewind" refers to the omission of the default
254
                automatic rewind on device close.  The MTREW or MTOFFL
255
                ioctl()'s can be used to rewind the tape regardless of
256
                the device used to access it.
257
 
258
    block       Metadisk (RAID) devices
259
 
260
                  1 = /dev/md1          Second metadisk group
261
                      ...
262
 
263
                The metadisk driver is used to span a
264
                file system across multiple physical disks.
265
 
266
 10 char        Non-serial mice, misc features
267
 
268
                  1 = /dev/psaux        PS/2-style mouse port
269
                  2 = /dev/inportbm     Microsoft Inport bus mouse
270
                  3 = /dev/atibm        ATI XL bus mouse
271
                  4 = /dev/jbm          J-mouse
272
                  4 = /dev/amigamouse   Amiga mouse (68k/Amiga)
273
                  5 = /dev/atarimouse   Atari mouse
274
                  6 = /dev/sunmouse     Sun mouse
275
                  7 = /dev/amigamouse1  Second Amiga mouse
276
                128 = /dev/beep         Fancy beep device
277
                129 = /dev/modreq       Kernel module load request
278
                130 = /dev/watchdog     Watchdog timer port
279
                131 = /dev/temperature  Machine internal temperature
280
                132 = /dev/hwtrap       Hardware fault trap
281
                133 = /dev/exttrp       External device trap
282
                134 = /dev/apm_bios     Advanced Power Management BIOS
283
                135 = /dev/rtc          Real Time Clock
284
                136 = /dev/qcam0        QuickCam on lp0
285
                137 = /dev/qcam1        QuickCam on lp1
286
                138 = /dev/qcam2        QuickCam on lp2
287
                139 = /dev/openprom     SPARC OpenBoot PROM
288
 
289
 11 char        Raw keyboard device
290
 
291
 
292
                The raw keyboard device is used on Linux/SPARC only.
293
 
294
    block       SCSI CD-ROM devices
295
 
296
                  1 = /dev/sr1          Second SCSI CD-ROM
297
                      ...
298
 
299
                The prefix /dev/scd instead of /dev/sr has been used
300
                as well, and might make more sense.
301
 
302
 12 char        QIC-02 tape
303
                  2 = /dev/ntpqic11     QIC-11, no rewind-on-close
304
                  3 = /dev/tpqic11      QIC-11, rewind-on-close
305
                  4 = /dev/ntpqic24     QIC-24, no rewind-on-close
306
                  5 = /dev/tpqic24      QIC-24, rewind-on-close
307
                  6 = /dev/ntpqic120    QIC-120, no rewind-on-close
308
                  7 = /dev/tpqic120     QIC-120, rewind-on-close
309
                  8 = /dev/ntpqic150    QIC-150, no rewind-on-close
310
                  9 = /dev/tpqic150     QIC-150, rewind-on-close
311
 
312
                The device names specified are proposed -- if there
313
                are "standard" names for these devices, please let me know.
314
 
315
    block       MSCDEX CD-ROM callback support
316
 
317
                  1 = /dev/dos_cd1      Second MSCDEX CD-ROM
318
                      ...
319
 
320
 13 char        PC speaker
321
 
322
                  1 = /dev/pcsp         Emulates /dev/dsp (8-bit)
323
                  4 = /dev/pcaudio      Emulates /dev/audio
324
                  5 = /dev/pcsp16       Emulates /dev/dsp (16-bit)
325
    block       8-bit MFM/RLL/IDE controller
326
 
327
                 64 = /dev/xdb          Second XT disk whole disk
328
 
329
                Partitions are handled in the same way as IDE disks
330
                (see major number 3).
331
 
332
 14 char        Sound card
333
 
334
                  1 = /dev/sequencer    Audio sequencer
335
                  2 = /dev/midi00       First MIDI port
336
                  3 = /dev/dsp          Digital audio
337
                  4 = /dev/audio        Sun-compatible digital audio
338
                  6 = /dev/sndstat      Sound card status information
339
                  8 = /dev/sequencer2   Sequencer -- alternate device
340
                 16 = /dev/mixer1       Second soundcard mixer control
341
                 17 = /dev/patmgr0      Sequencer patch manager
342
                 18 = /dev/midi01       Second MIDI port
343
                 19 = /dev/dsp1         Second soundcard digital audio
344
                 20 = /dev/audio1       Second soundcard Sun digital audio
345
                 33 = /dev/patmgr1      Sequencer patch manager
346
                 34 = /dev/midi02       Third MIDI port
347
                 50 = /dev/midi03       Fourth MIDI port
348
    block       BIOS hard drive callback support
349
 
350
                 64 = /dev/dos_hdb      Second BIOS hard drive whole disk
351
                128 = /dev/dos_hdc      Third BIOS hard drive whole disk
352
                192 = /dev/dos_hdd      Fourth BIOS hard drive whole disk
353
 
354
                Partitions are handled in the same way as IDE disks
355
                (see major number 3).
356
 
357
 15 char        Joystick
358
 
359
                  1 = /dev/js1          Second analog joystick
360
                    ...
361
                128 = /dev/djs0         First digital joystick
362
                129 = /dev/djs1         Second digital joystick
363
                    ...
364
    block       Sony CDU-31A/CDU-33A CD-ROM
365
 
366
 
367
 16 char        Non-SCSI scanners
368
 
369
    block       GoldStar CD-ROM
370
 
371
 
372
 17 char        Chase serial card
373
 
374
                  1 = /dev/ttyH1        Second Chase port
375
                      ...
376
    block       Optics Storage CD-ROM
377
 
378
 
379
 18 char        Chase serial card - alternate devices
380
 
381
                  1 = /dev/cuh1         Callout device corresponding to ttyH1
382
                      ...
383
    block       Sanyo CD-ROM
384
 
385
 
386
 19 char        Cyclades serial card
387
 
388
                      ...
389
                 31 = /dev/ttyC31       32nd Cyclades port
390
    block       "Double" compressed disk
391
 
392
                      ...
393
                  7 = /dev/double7      Eighth compressed disk
394
                128 = /dev/cdouble0     Mirror of first compressed disk
395
                      ...
396
                135 = /dev/cdouble7     Mirror of eighth compressed disk
397
 
398
                See the Double documentation for the meaning of the
399
                mirror devices.
400
 
401
 20 char        Cyclades serial card - alternate devices
402
 
403
                      ...
404
                 31 = /dev/cub31        Callout device corresponding to ttyC31
405
    block       Hitachi CD-ROM (under development)
406
 
407
 
408
 21 char        Generic SCSI access
409
 
410
                  1 = /dev/sg1          Second generic SCSI device
411
                      ...
412
 
413
 22 char        Digiboard serial card
414
 
415
                  1 = /dev/ttyD1        Second Digiboard port
416
                      ...
417
    block       Second IDE hard disk/CD-ROM interface
418
 
419
                 64 = /dev/hdd          Slave: whole disk (or CD-ROM)
420
 
421
                Partitions are handled the same way as for the first
422
                interface (see major number 3).
423
 
424
 23 char        Digiboard serial card - alternate devices
425
 
426
                  1 = /dev/cud1         Callout device corresponding to ttyD1
427
                      ...
428
    block       Mitsumi proprietary CD-ROM
429
 
430
 
431
 24 char        Stallion serial card
432
 
433
                  1 = /dev/ttyE1        Stallion port 1 card 0
434
                      ...
435
                 64 = /dev/ttyE64       Stallion port 0 card 1
436
                 65 = /dev/ttyE65       Stallion port 1 card 1
437
                      ...
438
                128 = /dev/ttyE128      Stallion port 0 card 2
439
                129 = /dev/ttyE129      Stallion port 1 card 2
440
                      ...
441
                192 = /dev/ttyE192      Stallion port 0 card 3
442
                193 = /dev/ttyE193      Stallion port 1 card 3
443
                      ...
444
    block       Sony CDU-535 CD-ROM
445
 
446
 
447
 25 char        Stallion serial card - alternate devices
448
 
449
                  1 = /dev/cue1         Callout device corresponding to ttyE1
450
                      ...
451
                 64 = /dev/cue64        Callout device corresponding to ttyE64
452
                 65 = /dev/cue65        Callout device corresponding to ttyE65
453
                      ...
454
                128 = /dev/cue128       Callout device corresponding to ttyE128
455
                129 = /dev/cue129       Callout device corresponding to ttyE129
456
                      ...
457
                192 = /dev/cue192       Callout device corresponding to ttyE192
458
                193 = /dev/cue193       Callout device corresponding to ttyE193
459
                      ...
460
    block       First Matsushita (Panasonic/SoundBlaster) CD-ROM
461
 
462
                  1 = /dev/sbpcd1       Panasonic CD-ROM controller 0 unit 1
463
                  2 = /dev/sbpcd2       Panasonic CD-ROM controller 0 unit 2
464
                  3 = /dev/sbpcd3       Panasonic CD-ROM controller 0 unit 3
465
 
466
 26 char        Quanta WinVision frame grabber
467
 
468
    block       Second Matsushita (Panasonic/SoundBlaster) CD-ROM
469
 
470
                  1 = /dev/sbpcd5       Panasonic CD-ROM controller 1 unit 1
471
                  2 = /dev/sbpcd6       Panasonic CD-ROM controller 1 unit 2
472
                  3 = /dev/sbpcd7       Panasonic CD-ROM controller 1 unit 3
473
 
474
 27 char        QIC-117 tape
475
 
476
                  1 = /dev/rft1         Unit 1, rewind-on-close
477
                  2 = /dev/rft2         Unit 2, rewind-on-close
478
                  3 = /dev/rft3         Unit 3, rewind-on-close
479
                  4 = /dev/nrft0        Unit 0, no rewind-on-close
480
                  5 = /dev/nrft1        Unit 1, no rewind-on-close
481
                  6 = /dev/nrft2        Unit 2, no rewind-on-close
482
                  7 = /dev/nrft3        Unit 3, no rewind-on-close
483
    block       Third Matsushita (Panasonic/SoundBlaster) CD-ROM
484
 
485
                  1 = /dev/sbpcd9       Panasonic CD-ROM controller 2 unit 1
486
                  2 = /dev/sbpcd10      Panasonic CD-ROM controller 2 unit 2
487
                  3 = /dev/sbpcd11      Panasonic CD-ROM controller 2 unit 3
488
 
489
 28 char        Stallion serial card - card programming
490
 
491
                  1 = /dev/staliomem1   Second Stallion card I/O memory
492
                  2 = /dev/staliomem2   Third Stallion card I/O memory
493
                  3 = /dev/staliomem3   Fourth Stallion card I/O memory
494
    char        Atari SLM ACSI laser printer (68k/Atari)
495
 
496
                  1 = /dev/slm1         Second SLM laser printer
497
                      ...
498
    block       Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM
499
 
500
                  1 = /dev/sbpcd13      Panasonic CD-ROM controller 3 unit 1
501
                  2 = /dev/sbpcd14      Panasonic CD-ROM controller 3 unit 2
502
                  3 = /dev/sbpcd15      Panasonic CD-ROM controller 3 unit 3
503
    block       ACSI disk (68k/Atari)
504
 
505
                 16 = /dev/adb          Second ACSI disk whole disk
506
                 32 = /dev/adc          Third ACSI disk whole disk
507
                      ...
508
                240 = /dev/adp          16th ACSI disk whole disk
509
 
510
                Partitions are handled in the same way as for IDE
511
                disks (see major number 3) except that the limit on
512
                partitions is 15, like SCSI.
513
 
514
 29 char        Universal frame buffer
515
 
516
                  1 = /dev/fb0autodetect
517
                 24 = /dev/fb0user0
518
                      ...
519
                 31 = /dev/fb0user7
520
                 32 = /dev/fb1          Second frame buffer
521
                 33 = /dev/fb1autodetect
522
                 56 = /dev/fb1user0
523
                      ...
524
                 63 = /dev/fb1user7
525
 
526
                The universal frame buffer device is currently only
527
                supported on Linux/68k and Linux/SPARC.  The plain
528
                device accesses the frame buffer at current resolution
529
                (Linux/68k calls this device "current",
530
                e.g. /dev/fb0current); the "autodetect" one at bootup
531
                (default) resolution.  Minor numbers 2-23 within each
532
                frame buffer assignment are used for specific
533
                device-dependent resolutions.  There appears to be no
534
                standard naming for these devices.  Finally, 2-31
535
                within each device are reserved for user-selected
536
                modes, usually entered at boot time.  Currently only
537
                Linux/68k uses the mode-specific devices.
538
 
539
    block       Aztech/Orchid/Okano/Wearnes CD-ROM
540
 
541
 
542
 30 char        iBCS-2 compatibility devices
543
 
544
                  1 = /dev/spx          SVR3 local X interface
545
                  2 = /dev/inet/arp     Network access
546
                  2 = /dev/inet/icmp    Network access
547
                  2 = /dev/inet/ip      Network access
548
                  2 = /dev/inet/udp     Network access
549
                  2 = /dev/inet/tcp     Network access
550
 
551
                iBCS-2 requires /dev/nfsd to be a link to
552
                /dev/socksys, and /dev/X0R to be a link to /dev/null.
553
 
554
    block       Philips LMS CM-205 CD-ROM
555
 
556
 
557
                /dev/lmscd is an older name for this device.  This
558
                driver does not work with the CM-205MS CD-ROM.
559
 
560
 31 char        MPU-401 MIDI
561
 
562
                  1 = /dev/mpu401stat   MPU-401 status port
563
    block       ROM/flash memory card
564
 
565
                      ...
566
                  7 = /dev/rom7         Eighth ROM card (rw)
567
                  8 = /dev/rrom0        First ROM card (ro)
568
                      ...
569
                 15 = /dev/rrom7        Eighth ROM card (ro)
570
                 16 = /dev/flash0       First flash memory card (rw)
571
                      ...
572
                 23 = /dev/flash7       Eighth flash memory card (rw)
573
                 24 = /dev/rflash0      First flash memory card (ro)
574
                      ...
575
                 31 = /dev/rflash7      Eighth flash memory card (ro)
576
 
577
                The read-write (rw) devices support back-caching
578
                written data in RAM, as well as writing to flash RAM
579
                devices.  The read-only devices (ro) support reading
580
                only.
581
 
582
 32 char        Specialix serial card
583
 
584
                  1 = /dev/ttyX1        Second Specialix port
585
                      ...
586
    block       Philips LMS CM-206 CD-ROM
587
 
588
 
589
 33 char        Specialix serial card - alternate devices
590
 
591
                  1 = /dev/cux1         Callout device corresponding to ttyX1
592
                      ...
593
    block       Third IDE hard disk/CD-ROM interface
594
 
595
                 64 = /dev/hdf          Slave: whole disk (or CD-ROM)
596
 
597
                Partitions are handled the same way as for the first
598
                interface (see major number 3).
599
 
600
 34 char        Z8530 HDLC driver
601
 
602
                  1 = /dev/scc1         First Z8530, second port
603
                  2 = /dev/scc2         Second Z8530, first port
604
                  3 = /dev/scc3         Second Z8530, second port
605
                      ...
606
 
607
                In a previous version these devices were named
608
                /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so
609
                on.
610
 
611
    block       Fourth IDE hard disk/CD-ROM interface
612
 
613
                 64 = /dev/hdh          Slave: whole disk (or CD-ROM)
614
 
615
                Partitions are handled the same way as for the first
616
                interface (see major number 3).
617
 
618
 35 char        tclmidi MIDI driver
619
 
620
                  1 = /dev/midi1        Second MIDI port, kernel timed
621
                  2 = /dev/midi2        Third MIDI port, kernel timed
622
                  3 = /dev/midi3        Fourth MIDI port, kernel timed
623
                 64 = /dev/rmidi0       First MIDI port, untimed
624
                 65 = /dev/rmidi1       Second MIDI port, untimed
625
                 66 = /dev/rmidi2       Third MIDI port, untimed
626
                 67 = /dev/rmidi3       Fourth MIDI port, untimed
627
                128 = /dev/smpte0       First MIDI port, SMPTE timed
628
                129 = /dev/smpte1       Second MIDI port, SMPTE timed
629
                130 = /dev/smpte2       Third MIDI port, SMPTE timed
630
                131 = /dev/smpte3       Fourth MIDI port, SMPTE timed
631
    block       Modular RAM disk device
632
 
633
                This device number is provided for older kernels which
634
                did not have the modular RAM disk in the standard
635
                distribution.  See major number 1.  This assignment
636
                will be removed when the 2.0 kernel is released.
637
 
638
 36 char        Netlink support
639
 
640
                  1 = /dev/skip         enSKIP security cache control
641
    block       MCA ESDI hard disk
642
 
643
                 64 = /dev/edb          Second ESDI disk whole disk
644
                      ...
645
 
646
                Partitions are handled in the same way as IDE disks
647
                (see major number 3).
648
 
649
 37 char        IDE tape
650
 
651
                128 = /dev/nht0         First IDE tape, no rewind-on-close
652
 
653
                Currently, only one IDE tape drive is supported.
654
 
655
    block       Zorro II ramdisk
656
 
657
 
658
 38 char        Myricom PCI Myrinet board
659
 
660
                  1 = /dev/mlanai1      Second Myrinet board
661
                      ...
662
 
663
                This device is used for status query, board control
664
                and "user level packet I/O."  This board is also
665
                accessible as a standard networking "eth" device.
666
 
667
    block       Reserved for Linux/AP+
668
 
669
 39 char        ML-16P experimental I/O board
670
 
671
                  1 = /dev/ml16pa-a1    First card, second analog channel
672
                      ...
673
                 15 = /dev/ml16pa-a15   First card, 16th analog channel
674
                 16 = /dev/ml16pa-d     First card, digital lines
675
                 17 = /dev/ml16pa-c0    First card, first counter/timer
676
                 18 = /dev/ml16pa-c1    First card, second counter/timer
677
                 19 = /dev/ml16pa-c2    First card, third counter/timer
678
                 32 = /dev/ml16pb-a0    Second card, first analog channel
679
                 33 = /dev/ml16pb-a1    Second card, second analog channel
680
                      ...
681
                 47 = /dev/ml16pb-a15   Second card, 16th analog channel
682
                 48 = /dev/ml16pb-d     Second card, digital lines
683
                 49 = /dev/ml16pb-c0    Second card, first counter/timer
684
                 50 = /dev/ml16pb-c1    Second card, second counter/timer
685
                 51 = /dev/ml16pb-c2    Second card, third counter/timer
686
                      ...
687
    block       Reserved for Linux/AP+
688
 
689
 40 char        Matrox Meteor frame grabber
690
 
691
    block       Syquest EZ135 parallel port removable drive
692
 
693
 
694
                Partitions are handled in the same way as IDE disks
695
                (see major number 3).
696
 
697
 41 char        Yet Another Micro Monitor
698
 
699
    block       MicroSolutions BackPack parallel port CD-ROM
700
 
701
 
702
 42             Demo/sample use
703
 
704
                This number is intended for use in sample code, as
705
                well as a general "example" device number.  It
706
                should never be used for a device driver that is being
707
                distributed; either obtain an official number or use
708
                the local/experimental range.  The sudden addition or
709
                removal of a driver with this number should not cause
710
                ill effects to the system (bugs excepted.)
711
 
712
 43 char        isdn4linux virtual modem
713
 
714
                      ...
715
                 63 = /dev/ttyI63       64th virtual modem
716
 
717
 44 char        isdn4linux virtual modem - alternate devices
718
 
719
                      ...
720
                 63 = /dev/cui63        Callout device corresponding to ttyI63
721
 
722
 45 char        isdn4linux ISDN BRI driver
723
 
724
                      ...
725
                 63 = /dev/isdn63       64th virtual B channel raw data
726
                 64 = /dev/isdnctrl0    First channel control/debug
727
                      ...
728
                127 = /dev/isdnctrl63   64th channel control/debug
729
 
730
                128 = /dev/ippp0        First SyncPPP device
731
                      ...
732
                191 = /dev/ippp63       64th SyncPPP device
733
 
734
                255 = /dev/isdninfo     ISDN monitor interface
735
 
736
 46 char        Comtrol Rocketport serial card
737
 
738
                  1 = /dev/ttyR1        Second Rocketport port
739
                      ...
740
 
741
 47 char        Comtrol Rocketport serial card - alternate devices
742
 
743
                  1 = /dev/cur1         Callout device corresponding to ttyR1
744
                      ...
745
 
746
 48 char        SDL RISCom serial card
747
 
748
                  1 = /dev/ttyL1        Second RISCom port
749
                      ...
750
 
751
 49 char        SDL RISCom serial card - alternate devices
752
 
753
                  1 = /dev/cul1         Callout device corresponding to ttyL1
754
                      ...
755
 
756
 50 char        Reserved for GLINT
757
 
758
 51 char        Baycom radio modem
759
 
760
                  1 = /dev/bc1          Second Baycom radio modem
761
                      ...
762
 
763
 52 char        Spellcaster DataComm/BRI ISDN card
764
 
765
                  1 = /dev/dcbri1       Second DataComm card
766
                  2 = /dev/dcbri2       Third DataComm card
767
                  3 = /dev/dcbri3       Fourth DataComm card
768
 
769
 53 char        BDM interface for remote debugging MC683xx microcontrollers
770
 
771
                  1 = /dev/pd_bdm1      PD BDM interface on lp1
772
                  2 = /dev/pd_bdm2      PD BDM interface on lp2
773
                  4 = /dev/icd_bdm0     ICD BDM interface on lp0
774
                  5 = /dev/icd_bdm1     ICD BDM interface on lp1
775
                  6 = /dev/icd_bdm2     ICD BDM interface on lp2
776
 
777
                This device is used for the interfacing to the MC683xx
778
                microcontrollers via Background Debug Mode by use of a
779
                Parallel Port interface. PD is the Motorola Public
780
                Domain Interface and ICD is the commercial interface
781
                by P&E.
782
 
783
 54 char        Electrocardiognosis Holter serial card
784
 
785
                  1 = /dev/holter1      Second Holter port
786
                  2 = /dev/holter2      Third Holter port
787
 
788
                A custom serial card used by Electrocardiognosis SRL
789
                 to transfer data from Holter
790
                24-hour heart monitoring equipment.
791
 
792
 55-59          UNALLOCATED
793
 
794
 60-63          LOCAL/EXPERIMENTAL USE
795
                Allocated for local/experimental use.  For devices not
796
                assigned official numbers, these ranges should be
797
                used, in order to avoid conflicting with future assignments.
798
 
799
 64-119         UNALLOCATED
800
 
801
120-127         LOCAL/EXPERIMENTAL USE
802
 
803
128-239         UNALLOCATED
804
 
805
240-254         LOCAL/EXPERIMENTAL USE
806
 
807
255             RESERVED
808
 
809
 
810
 
811
 
812
        ADDITIONAL /dev DIRECTORY ENTRIES
813
 
814
This section details additional entries that should or may exist in
815
the /dev directory.  It is preferred that symbolic links use the same
816
form (absolute or relative) as is indicated here.  Links are
817
classified as "hard" or "symbolic" depending on the preferred type of
818
link; if possible, the indicated type of link should be used.
819
 
820
 
821
        Compulsory links
822
 
823
These links should exist on all systems:
824
 
825
/dev/fd         /proc/self/fd   symbolic        File descriptors
826
/dev/stdin      fd/0            symbolic        stdin file descriptor
827
/dev/stdout     fd/1            symbolic        stdout file descriptor
828
/dev/stderr     fd/2            symbolic        stderr file descriptor
829
/dev/nfsd       socksys         symbolic        Required by iBCS-2
830
/dev/X0R        null            symbolic        Required by iBCS-2
831
 
832
Note: the last device is --.
833
 
834
        Recommended links
835
 
836
It is recommended that these links exist on all systems:
837
 
838
/dev/core       /proc/kcore     symbolic        Backward compatibility
839
/dev/ramdisk    ram0            symbolic        Backward compatibility
840
/dev/ftape      rft0            symbolic        Backward compatibility
841
/dev/scd?       sr?             hard            Alternate SCSI CD-ROM name
842
 
843
 
844
        Locally defined links
845
 
846
The following links may be established locally to conform to the
847
configuration of the system.  This is merely a tabulation of existing
848
practice, and does not constitute a recommendation.  However, if they
849
exist, they should have the following uses.
850
 
851
/dev/mouse      mouse port      symbolic        Current mouse device
852
/dev/tape       tape device     symbolic        Current tape device
853
/dev/cdrom      CD-ROM device   symbolic        Current CD-ROM device
854
/dev/cdwriter   CD-writer       symbolic        Current CD-writer device
855
/dev/scanner    scanner         symbolic        Current scanner device
856
/dev/modem      modem port      symbolic        Current dialout device
857
/dev/root       root device     symbolic        Current root file system
858
/dev/swap       swap device     symbolic        Current swap device
859
 
860
/dev/modem should not be used for a modem which supports dialin as
861
well as dialout, as it tends to cause lock file problems.  If it
862
exists, /dev/modem should point to the appropriate dialout (alternate)
863
device.
864
 
865
For SCSI devices, /dev/tape and /dev/cdrom should point to the
866
``cooked'' devices (/dev/st* and /dev/sr*, respectively), whereas
867
/dev/cdwriter and /dev/scanner should point to the appropriate generic
868
SCSI devices (/dev/sg*).
869
 
870
/dev/mouse may point to a primary serial TTY device, a hardware mouse
871
device, or a socket for a mouse driver program (e.g. /dev/gpmdata).
872
 
873
        Sockets and pipes
874
 
875
Non-transient sockets and named pipes may exist in /dev.  Common entries are:
876
 
877
/dev/printer    socket          lpd local socket
878
/dev/log        socket          syslog local socket
879
/dev/gpmdata    socket          gpm mouse multiplexer

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.