devices.txt 116 KB

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  1. LINUX ALLOCATED DEVICES (2.6+ version)
  2. Maintained by Torben Mathiasen <device@lanana.org>
  3. Last revised: 29 November 2006
  4. This list is the Linux Device List, the official registry of allocated
  5. device numbers and /dev directory nodes for the Linux operating
  6. system.
  7. The latest version of this list is available from
  8. http://www.lanana.org/docs/device-list/ or
  9. ftp://ftp.kernel.org/pub/linux/docs/device-list/. This version may be
  10. newer than the one distributed with the Linux kernel.
  11. The LaTeX version of this document is no longer maintained.
  12. This document is included by reference into the Filesystem Hierarchy
  13. Standard (FHS). The FHS is available from http://www.pathname.com/fhs/.
  14. Allocations marked (68k/Amiga) apply to Linux/68k on the Amiga
  15. platform only. Allocations marked (68k/Atari) apply to Linux/68k on
  16. the Atari platform only.
  17. The symbol {2.6} means the allocation is obsolete and scheduled for
  18. removal once kernel version 2.6 (or equivalent) is released. Some of these
  19. allocations have already been removed.
  20. This document is in the public domain. The author requests, however,
  21. that semantically altered versions are not distributed without
  22. permission of the author, assuming the author can be contacted without
  23. an unreasonable effort.
  24. In particular, please don't sent patches for this list to Linus, at
  25. least not without contacting me first.
  26. I do not have any information about these devices beyond what appears
  27. on this list. Any such information requests will be deleted without
  28. reply.
  29. **** DEVICE DRIVERS AUTHORS PLEASE READ THIS ****
  30. To have a major number allocated, or a minor number in situations
  31. where that applies (e.g. busmice), please contact me with the
  32. appropriate device information. Also, if you have additional
  33. information regarding any of the devices listed below, or if I have
  34. made a mistake, I would greatly appreciate a note.
  35. I do, however, make a few requests about the nature of your report.
  36. This is necessary for me to be able to keep this list up to date and
  37. correct in a timely manner. First of all, *please* send it to the
  38. correct address... <device@lanana.org>. I receive hundreds of email
  39. messages a day, so mail sent to other addresses may very well get lost
  40. in the avalanche. Please put in a descriptive subject, so I can find
  41. your mail again should I need to. Too many people send me email
  42. saying just "device number request" in the subject.
  43. Second, please include a description of the device *in the same format
  44. as this list*. The reason for this is that it is the only way I have
  45. found to ensure I have all the requisite information to publish your
  46. device and avoid conflicts.
  47. Third, please don't assume that the distributed version of the list is
  48. up to date. Due to the number of registrations I have to maintain it
  49. in "batch mode", so there is likely additional registrations that
  50. haven't been listed yet.
  51. Finally, sometimes I have to play "namespace police." Please don't be
  52. offended. I often get submissions for /dev names that would be bound
  53. to cause conflicts down the road. I am trying to avoid getting in a
  54. situation where we would have to suffer an incompatible forward
  55. change. Therefore, please consult with me *before* you make your
  56. device names and numbers in any way public, at least to the point
  57. where it would be at all difficult to get them changed.
  58. Your cooperation is appreciated.
  59. 0 Unnamed devices (e.g. non-device mounts)
  60. 0 = reserved as null device number
  61. See block major 144, 145, 146 for expansion areas.
  62. 1 char Memory devices
  63. 1 = /dev/mem Physical memory access
  64. 2 = /dev/kmem Kernel virtual memory access
  65. 3 = /dev/null Null device
  66. 4 = /dev/port I/O port access
  67. 5 = /dev/zero Null byte source
  68. 6 = /dev/core OBSOLETE - replaced by /proc/kcore
  69. 7 = /dev/full Returns ENOSPC on write
  70. 8 = /dev/random Nondeterministic random number gen.
  71. 9 = /dev/urandom Faster, less secure random number gen.
  72. 10 = /dev/aio Asynchronous I/O notification interface
  73. 11 = /dev/kmsg Writes to this come out as printk's
  74. 1 block RAM disk
  75. 0 = /dev/ram0 First RAM disk
  76. 1 = /dev/ram1 Second RAM disk
  77. ...
  78. 250 = /dev/initrd Initial RAM disk {2.6}
  79. Older kernels had /dev/ramdisk (1, 1) here.
  80. /dev/initrd refers to a RAM disk which was preloaded
  81. by the boot loader; newer kernels use /dev/ram0 for
  82. the initrd.
  83. 2 char Pseudo-TTY masters
  84. 0 = /dev/ptyp0 First PTY master
  85. 1 = /dev/ptyp1 Second PTY master
  86. ...
  87. 255 = /dev/ptyef 256th PTY master
  88. Pseudo-tty's are named as follows:
  89. * Masters are "pty", slaves are "tty";
  90. * the fourth letter is one of pqrstuvwxyzabcde indicating
  91. the 1st through 16th series of 16 pseudo-ttys each, and
  92. * the fifth letter is one of 0123456789abcdef indicating
  93. the position within the series.
  94. These are the old-style (BSD) PTY devices; Unix98
  95. devices are on major 128 and above and use the PTY
  96. master multiplex (/dev/ptmx) to acquire a PTY on
  97. demand.
  98. 2 block Floppy disks
  99. 0 = /dev/fd0 Controller 0, drive 0, autodetect
  100. 1 = /dev/fd1 Controller 0, drive 1, autodetect
  101. 2 = /dev/fd2 Controller 0, drive 2, autodetect
  102. 3 = /dev/fd3 Controller 0, drive 3, autodetect
  103. 128 = /dev/fd4 Controller 1, drive 0, autodetect
  104. 129 = /dev/fd5 Controller 1, drive 1, autodetect
  105. 130 = /dev/fd6 Controller 1, drive 2, autodetect
  106. 131 = /dev/fd7 Controller 1, drive 3, autodetect
  107. To specify format, add to the autodetect device number:
  108. 0 = /dev/fd? Autodetect format
  109. 4 = /dev/fd?d360 5.25" 360K in a 360K drive(1)
  110. 20 = /dev/fd?h360 5.25" 360K in a 1200K drive(1)
  111. 48 = /dev/fd?h410 5.25" 410K in a 1200K drive
  112. 64 = /dev/fd?h420 5.25" 420K in a 1200K drive
  113. 24 = /dev/fd?h720 5.25" 720K in a 1200K drive
  114. 80 = /dev/fd?h880 5.25" 880K in a 1200K drive(1)
  115. 8 = /dev/fd?h1200 5.25" 1200K in a 1200K drive(1)
  116. 40 = /dev/fd?h1440 5.25" 1440K in a 1200K drive(1)
  117. 56 = /dev/fd?h1476 5.25" 1476K in a 1200K drive
  118. 72 = /dev/fd?h1494 5.25" 1494K in a 1200K drive
  119. 92 = /dev/fd?h1600 5.25" 1600K in a 1200K drive(1)
  120. 12 = /dev/fd?u360 3.5" 360K Double Density(2)
  121. 16 = /dev/fd?u720 3.5" 720K Double Density(1)
  122. 120 = /dev/fd?u800 3.5" 800K Double Density(2)
  123. 52 = /dev/fd?u820 3.5" 820K Double Density
  124. 68 = /dev/fd?u830 3.5" 830K Double Density
  125. 84 = /dev/fd?u1040 3.5" 1040K Double Density(1)
  126. 88 = /dev/fd?u1120 3.5" 1120K Double Density(1)
  127. 28 = /dev/fd?u1440 3.5" 1440K High Density(1)
  128. 124 = /dev/fd?u1600 3.5" 1600K High Density(1)
  129. 44 = /dev/fd?u1680 3.5" 1680K High Density(3)
  130. 60 = /dev/fd?u1722 3.5" 1722K High Density
  131. 76 = /dev/fd?u1743 3.5" 1743K High Density
  132. 96 = /dev/fd?u1760 3.5" 1760K High Density
  133. 116 = /dev/fd?u1840 3.5" 1840K High Density(3)
  134. 100 = /dev/fd?u1920 3.5" 1920K High Density(1)
  135. 32 = /dev/fd?u2880 3.5" 2880K Extra Density(1)
  136. 104 = /dev/fd?u3200 3.5" 3200K Extra Density
  137. 108 = /dev/fd?u3520 3.5" 3520K Extra Density
  138. 112 = /dev/fd?u3840 3.5" 3840K Extra Density(1)
  139. 36 = /dev/fd?CompaQ Compaq 2880K drive; obsolete?
  140. (1) Autodetectable format
  141. (2) Autodetectable format in a Double Density (720K) drive only
  142. (3) Autodetectable format in a High Density (1440K) drive only
  143. NOTE: The letter in the device name (d, q, h or u)
  144. signifies the type of drive: 5.25" Double Density (d),
  145. 5.25" Quad Density (q), 5.25" High Density (h) or 3.5"
  146. (any model, u). The use of the capital letters D, H
  147. and E for the 3.5" models have been deprecated, since
  148. the drive type is insignificant for these devices.
  149. 3 char Pseudo-TTY slaves
  150. 0 = /dev/ttyp0 First PTY slave
  151. 1 = /dev/ttyp1 Second PTY slave
  152. ...
  153. 255 = /dev/ttyef 256th PTY slave
  154. These are the old-style (BSD) PTY devices; Unix98
  155. devices are on major 136 and above.
  156. 3 block First MFM, RLL and IDE hard disk/CD-ROM interface
  157. 0 = /dev/hda Master: whole disk (or CD-ROM)
  158. 64 = /dev/hdb Slave: whole disk (or CD-ROM)
  159. For partitions, add to the whole disk device number:
  160. 0 = /dev/hd? Whole disk
  161. 1 = /dev/hd?1 First partition
  162. 2 = /dev/hd?2 Second partition
  163. ...
  164. 63 = /dev/hd?63 63rd partition
  165. For Linux/i386, partitions 1-4 are the primary
  166. partitions, and 5 and above are logical partitions.
  167. Other versions of Linux use partitioning schemes
  168. appropriate to their respective architectures.
  169. 4 char TTY devices
  170. 0 = /dev/tty0 Current virtual console
  171. 1 = /dev/tty1 First virtual console
  172. ...
  173. 63 = /dev/tty63 63rd virtual console
  174. 64 = /dev/ttyS0 First UART serial port
  175. ...
  176. 255 = /dev/ttyS191 192nd UART serial port
  177. UART serial ports refer to 8250/16450/16550 series devices.
  178. Older versions of the Linux kernel used this major
  179. number for BSD PTY devices. As of Linux 2.1.115, this
  180. is no longer supported. Use major numbers 2 and 3.
  181. 4 block Aliases for dynamically allocated major devices to be used
  182. when its not possible to create the real device nodes
  183. because the root filesystem is mounted read-only.
  184. 0 = /dev/root
  185. 5 char Alternate TTY devices
  186. 0 = /dev/tty Current TTY device
  187. 1 = /dev/console System console
  188. 2 = /dev/ptmx PTY master multiplex
  189. 64 = /dev/cua0 Callout device for ttyS0
  190. ...
  191. 255 = /dev/cua191 Callout device for ttyS191
  192. (5,1) is /dev/console starting with Linux 2.1.71. See
  193. the section on terminal devices for more information
  194. on /dev/console.
  195. 6 char Parallel printer devices
  196. 0 = /dev/lp0 Parallel printer on parport0
  197. 1 = /dev/lp1 Parallel printer on parport1
  198. ...
  199. Current Linux kernels no longer have a fixed mapping
  200. between parallel ports and I/O addresses. Instead,
  201. they are redirected through the parport multiplex layer.
  202. 7 char Virtual console capture devices
  203. 0 = /dev/vcs Current vc text contents
  204. 1 = /dev/vcs1 tty1 text contents
  205. ...
  206. 63 = /dev/vcs63 tty63 text contents
  207. 128 = /dev/vcsa Current vc text/attribute contents
  208. 129 = /dev/vcsa1 tty1 text/attribute contents
  209. ...
  210. 191 = /dev/vcsa63 tty63 text/attribute contents
  211. NOTE: These devices permit both read and write access.
  212. 7 block Loopback devices
  213. 0 = /dev/loop0 First loop device
  214. 1 = /dev/loop1 Second loop device
  215. ...
  216. The loop devices are used to mount filesystems not
  217. associated with block devices. The binding to the
  218. loop devices is handled by mount(8) or losetup(8).
  219. 8 block SCSI disk devices (0-15)
  220. 0 = /dev/sda First SCSI disk whole disk
  221. 16 = /dev/sdb Second SCSI disk whole disk
  222. 32 = /dev/sdc Third SCSI disk whole disk
  223. ...
  224. 240 = /dev/sdp Sixteenth SCSI disk whole disk
  225. Partitions are handled in the same way as for IDE
  226. disks (see major number 3) except that the limit on
  227. partitions is 15.
  228. 9 char SCSI tape devices
  229. 0 = /dev/st0 First SCSI tape, mode 0
  230. 1 = /dev/st1 Second SCSI tape, mode 0
  231. ...
  232. 32 = /dev/st0l First SCSI tape, mode 1
  233. 33 = /dev/st1l Second SCSI tape, mode 1
  234. ...
  235. 64 = /dev/st0m First SCSI tape, mode 2
  236. 65 = /dev/st1m Second SCSI tape, mode 2
  237. ...
  238. 96 = /dev/st0a First SCSI tape, mode 3
  239. 97 = /dev/st1a Second SCSI tape, mode 3
  240. ...
  241. 128 = /dev/nst0 First SCSI tape, mode 0, no rewind
  242. 129 = /dev/nst1 Second SCSI tape, mode 0, no rewind
  243. ...
  244. 160 = /dev/nst0l First SCSI tape, mode 1, no rewind
  245. 161 = /dev/nst1l Second SCSI tape, mode 1, no rewind
  246. ...
  247. 192 = /dev/nst0m First SCSI tape, mode 2, no rewind
  248. 193 = /dev/nst1m Second SCSI tape, mode 2, no rewind
  249. ...
  250. 224 = /dev/nst0a First SCSI tape, mode 3, no rewind
  251. 225 = /dev/nst1a Second SCSI tape, mode 3, no rewind
  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. 9 block Metadisk (RAID) devices
  258. 0 = /dev/md0 First metadisk group
  259. 1 = /dev/md1 Second metadisk group
  260. ...
  261. The metadisk driver is used to span a
  262. filesystem across multiple physical disks.
  263. 10 char Non-serial mice, misc features
  264. 0 = /dev/logibm Logitech bus mouse
  265. 1 = /dev/psaux PS/2-style mouse port
  266. 2 = /dev/inportbm Microsoft Inport bus mouse
  267. 3 = /dev/atibm ATI XL bus mouse
  268. 4 = /dev/jbm J-mouse
  269. 4 = /dev/amigamouse Amiga mouse (68k/Amiga)
  270. 5 = /dev/atarimouse Atari mouse
  271. 6 = /dev/sunmouse Sun mouse
  272. 7 = /dev/amigamouse1 Second Amiga mouse
  273. 8 = /dev/smouse Simple serial mouse driver
  274. 9 = /dev/pc110pad IBM PC-110 digitizer pad
  275. 10 = /dev/adbmouse Apple Desktop Bus mouse
  276. 11 = /dev/vrtpanel Vr41xx embedded touch panel
  277. 13 = /dev/vpcmouse Connectix Virtual PC Mouse
  278. 14 = /dev/touchscreen/ucb1x00 UCB 1x00 touchscreen
  279. 15 = /dev/touchscreen/mk712 MK712 touchscreen
  280. 128 = /dev/beep Fancy beep device
  281. 129 = /dev/modreq Kernel module load request {2.6}
  282. 130 = /dev/watchdog Watchdog timer port
  283. 131 = /dev/temperature Machine internal temperature
  284. 132 = /dev/hwtrap Hardware fault trap
  285. 133 = /dev/exttrp External device trap
  286. 134 = /dev/apm_bios Advanced Power Management BIOS
  287. 135 = /dev/rtc Real Time Clock
  288. 139 = /dev/openprom SPARC OpenBoot PROM
  289. 140 = /dev/relay8 Berkshire Products Octal relay card
  290. 141 = /dev/relay16 Berkshire Products ISO-16 relay card
  291. 142 = /dev/msr x86 model-specific registers {2.6}
  292. 143 = /dev/pciconf PCI configuration space
  293. 144 = /dev/nvram Non-volatile configuration RAM
  294. 145 = /dev/hfmodem Soundcard shortwave modem control {2.6}
  295. 146 = /dev/graphics Linux/SGI graphics device
  296. 147 = /dev/opengl Linux/SGI OpenGL pipe
  297. 148 = /dev/gfx Linux/SGI graphics effects device
  298. 149 = /dev/input/mouse Linux/SGI Irix emulation mouse
  299. 150 = /dev/input/keyboard Linux/SGI Irix emulation keyboard
  300. 151 = /dev/led Front panel LEDs
  301. 152 = /dev/kpoll Kernel Poll Driver
  302. 153 = /dev/mergemem Memory merge device
  303. 154 = /dev/pmu Macintosh PowerBook power manager
  304. 155 = /dev/isictl MultiTech ISICom serial control
  305. 156 = /dev/lcd Front panel LCD display
  306. 157 = /dev/ac Applicom Intl Profibus card
  307. 158 = /dev/nwbutton Netwinder external button
  308. 159 = /dev/nwdebug Netwinder debug interface
  309. 160 = /dev/nwflash Netwinder flash memory
  310. 161 = /dev/userdma User-space DMA access
  311. 162 = /dev/smbus System Management Bus
  312. 163 = /dev/lik Logitech Internet Keyboard
  313. 164 = /dev/ipmo Intel Intelligent Platform Management
  314. 165 = /dev/vmmon VMWare virtual machine monitor
  315. 166 = /dev/i2o/ctl I2O configuration manager
  316. 167 = /dev/specialix_sxctl Specialix serial control
  317. 168 = /dev/tcldrv Technology Concepts serial control
  318. 169 = /dev/specialix_rioctl Specialix RIO serial control
  319. 170 = /dev/thinkpad/thinkpad IBM Thinkpad devices
  320. 171 = /dev/srripc QNX4 API IPC manager
  321. 172 = /dev/usemaclone Semaphore clone device
  322. 173 = /dev/ipmikcs Intelligent Platform Management
  323. 174 = /dev/uctrl SPARCbook 3 microcontroller
  324. 175 = /dev/agpgart AGP Graphics Address Remapping Table
  325. 176 = /dev/gtrsc Gorgy Timing radio clock
  326. 177 = /dev/cbm Serial CBM bus
  327. 178 = /dev/jsflash JavaStation OS flash SIMM
  328. 179 = /dev/xsvc High-speed shared-mem/semaphore service
  329. 180 = /dev/vrbuttons Vr41xx button input device
  330. 181 = /dev/toshiba Toshiba laptop SMM support
  331. 182 = /dev/perfctr Performance-monitoring counters
  332. 183 = /dev/hwrng Generic random number generator
  333. 184 = /dev/cpu/microcode CPU microcode update interface
  334. 186 = /dev/atomicps Atomic shapshot of process state data
  335. 187 = /dev/irnet IrNET device
  336. 188 = /dev/smbusbios SMBus BIOS
  337. 189 = /dev/ussp_ctl User space serial port control
  338. 190 = /dev/crash Mission Critical Linux crash dump facility
  339. 191 = /dev/pcl181 <information missing>
  340. 192 = /dev/nas_xbus NAS xbus LCD/buttons access
  341. 193 = /dev/d7s SPARC 7-segment display
  342. 194 = /dev/zkshim Zero-Knowledge network shim control
  343. 195 = /dev/elographics/e2201 Elographics touchscreen E271-2201
  344. 198 = /dev/sexec Signed executable interface
  345. 199 = /dev/scanners/cuecat :CueCat barcode scanner
  346. 200 = /dev/net/tun TAP/TUN network device
  347. 201 = /dev/button/gulpb Transmeta GULP-B buttons
  348. 202 = /dev/emd/ctl Enhanced Metadisk RAID (EMD) control
  349. 204 = /dev/video/em8300 EM8300 DVD decoder control
  350. 205 = /dev/video/em8300_mv EM8300 DVD decoder video
  351. 206 = /dev/video/em8300_ma EM8300 DVD decoder audio
  352. 207 = /dev/video/em8300_sp EM8300 DVD decoder subpicture
  353. 208 = /dev/compaq/cpqphpc Compaq PCI Hot Plug Controller
  354. 209 = /dev/compaq/cpqrid Compaq Remote Insight Driver
  355. 210 = /dev/impi/bt IMPI coprocessor block transfer
  356. 211 = /dev/impi/smic IMPI coprocessor stream interface
  357. 212 = /dev/watchdogs/0 First watchdog device
  358. 213 = /dev/watchdogs/1 Second watchdog device
  359. 214 = /dev/watchdogs/2 Third watchdog device
  360. 215 = /dev/watchdogs/3 Fourth watchdog device
  361. 216 = /dev/fujitsu/apanel Fujitsu/Siemens application panel
  362. 217 = /dev/ni/natmotn National Instruments Motion
  363. 218 = /dev/kchuid Inter-process chuid control
  364. 219 = /dev/modems/mwave MWave modem firmware upload
  365. 220 = /dev/mptctl Message passing technology (MPT) control
  366. 221 = /dev/mvista/hssdsi Montavista PICMG hot swap system driver
  367. 222 = /dev/mvista/hasi Montavista PICMG high availability
  368. 223 = /dev/input/uinput User level driver support for input
  369. 224 = /dev/tpm TCPA TPM driver
  370. 225 = /dev/pps Pulse Per Second driver
  371. 226 = /dev/systrace Systrace device
  372. 227 = /dev/mcelog X86_64 Machine Check Exception driver
  373. 228 = /dev/hpet HPET driver
  374. 229 = /dev/fuse Fuse (virtual filesystem in user-space)
  375. 230 = /dev/midishare MidiShare driver
  376. 240-254 Reserved for local use
  377. 255 Reserved for MISC_DYNAMIC_MINOR
  378. 11 char Raw keyboard device (Linux/SPARC only)
  379. 0 = /dev/kbd Raw keyboard device
  380. 11 char Serial Mux device (Linux/PA-RISC only)
  381. 0 = /dev/ttyB0 First mux port
  382. 1 = /dev/ttyB1 Second mux port
  383. ...
  384. 11 block SCSI CD-ROM devices
  385. 0 = /dev/scd0 First SCSI CD-ROM
  386. 1 = /dev/scd1 Second SCSI CD-ROM
  387. ...
  388. The prefix /dev/sr (instead of /dev/scd) has been deprecated.
  389. 12 char QIC-02 tape
  390. 2 = /dev/ntpqic11 QIC-11, no rewind-on-close
  391. 3 = /dev/tpqic11 QIC-11, rewind-on-close
  392. 4 = /dev/ntpqic24 QIC-24, no rewind-on-close
  393. 5 = /dev/tpqic24 QIC-24, rewind-on-close
  394. 6 = /dev/ntpqic120 QIC-120, no rewind-on-close
  395. 7 = /dev/tpqic120 QIC-120, rewind-on-close
  396. 8 = /dev/ntpqic150 QIC-150, no rewind-on-close
  397. 9 = /dev/tpqic150 QIC-150, rewind-on-close
  398. The device names specified are proposed -- if there
  399. are "standard" names for these devices, please let me know.
  400. 12 block MSCDEX CD-ROM callback support {2.6}
  401. 0 = /dev/dos_cd0 First MSCDEX CD-ROM
  402. 1 = /dev/dos_cd1 Second MSCDEX CD-ROM
  403. ...
  404. 13 char Input core
  405. 0 = /dev/input/js0 First joystick
  406. 1 = /dev/input/js1 Second joystick
  407. ...
  408. 32 = /dev/input/mouse0 First mouse
  409. 33 = /dev/input/mouse1 Second mouse
  410. ...
  411. 63 = /dev/input/mice Unified mouse
  412. 64 = /dev/input/event0 First event queue
  413. 65 = /dev/input/event1 Second event queue
  414. ...
  415. Each device type has 5 bits (32 minors).
  416. 13 block 8-bit MFM/RLL/IDE controller
  417. 0 = /dev/xda First XT disk whole disk
  418. 64 = /dev/xdb Second XT disk whole disk
  419. Partitions are handled in the same way as IDE disks
  420. (see major number 3).
  421. 14 char Open Sound System (OSS)
  422. 0 = /dev/mixer Mixer control
  423. 1 = /dev/sequencer Audio sequencer
  424. 2 = /dev/midi00 First MIDI port
  425. 3 = /dev/dsp Digital audio
  426. 4 = /dev/audio Sun-compatible digital audio
  427. 6 = /dev/sndstat Sound card status information {2.6}
  428. 7 = /dev/audioctl SPARC audio control device
  429. 8 = /dev/sequencer2 Sequencer -- alternate device
  430. 16 = /dev/mixer1 Second soundcard mixer control
  431. 17 = /dev/patmgr0 Sequencer patch manager
  432. 18 = /dev/midi01 Second MIDI port
  433. 19 = /dev/dsp1 Second soundcard digital audio
  434. 20 = /dev/audio1 Second soundcard Sun digital audio
  435. 33 = /dev/patmgr1 Sequencer patch manager
  436. 34 = /dev/midi02 Third MIDI port
  437. 50 = /dev/midi03 Fourth MIDI port
  438. 14 block BIOS harddrive callback support {2.6}
  439. 0 = /dev/dos_hda First BIOS harddrive whole disk
  440. 64 = /dev/dos_hdb Second BIOS harddrive whole disk
  441. 128 = /dev/dos_hdc Third BIOS harddrive whole disk
  442. 192 = /dev/dos_hdd Fourth BIOS harddrive whole disk
  443. Partitions are handled in the same way as IDE disks
  444. (see major number 3).
  445. 15 char Joystick
  446. 0 = /dev/js0 First analog joystick
  447. 1 = /dev/js1 Second analog joystick
  448. ...
  449. 128 = /dev/djs0 First digital joystick
  450. 129 = /dev/djs1 Second digital joystick
  451. ...
  452. 15 block Sony CDU-31A/CDU-33A CD-ROM
  453. 0 = /dev/sonycd Sony CDU-31a CD-ROM
  454. 16 char Non-SCSI scanners
  455. 0 = /dev/gs4500 Genius 4500 handheld scanner
  456. 16 block GoldStar CD-ROM
  457. 0 = /dev/gscd GoldStar CD-ROM
  458. 17 char Chase serial card
  459. 0 = /dev/ttyH0 First Chase port
  460. 1 = /dev/ttyH1 Second Chase port
  461. ...
  462. 17 block Optics Storage CD-ROM
  463. 0 = /dev/optcd Optics Storage CD-ROM
  464. 18 char Chase serial card - alternate devices
  465. 0 = /dev/cuh0 Callout device for ttyH0
  466. 1 = /dev/cuh1 Callout device for ttyH1
  467. ...
  468. 18 block Sanyo CD-ROM
  469. 0 = /dev/sjcd Sanyo CD-ROM
  470. 19 char Cyclades serial card
  471. 0 = /dev/ttyC0 First Cyclades port
  472. ...
  473. 31 = /dev/ttyC31 32nd Cyclades port
  474. 19 block "Double" compressed disk
  475. 0 = /dev/double0 First compressed disk
  476. ...
  477. 7 = /dev/double7 Eighth compressed disk
  478. 128 = /dev/cdouble0 Mirror of first compressed disk
  479. ...
  480. 135 = /dev/cdouble7 Mirror of eighth compressed disk
  481. See the Double documentation for the meaning of the
  482. mirror devices.
  483. 20 char Cyclades serial card - alternate devices
  484. 0 = /dev/cub0 Callout device for ttyC0
  485. ...
  486. 31 = /dev/cub31 Callout device for ttyC31
  487. 20 block Hitachi CD-ROM (under development)
  488. 0 = /dev/hitcd Hitachi CD-ROM
  489. 21 char Generic SCSI access
  490. 0 = /dev/sg0 First generic SCSI device
  491. 1 = /dev/sg1 Second generic SCSI device
  492. ...
  493. Most distributions name these /dev/sga, /dev/sgb...;
  494. this sets an unnecessary limit of 26 SCSI devices in
  495. the system and is counter to standard Linux
  496. device-naming practice.
  497. 21 block Acorn MFM hard drive interface
  498. 0 = /dev/mfma First MFM drive whole disk
  499. 64 = /dev/mfmb Second MFM drive whole disk
  500. This device is used on the ARM-based Acorn RiscPC.
  501. Partitions are handled the same way as for IDE disks
  502. (see major number 3).
  503. 22 char Digiboard serial card
  504. 0 = /dev/ttyD0 First Digiboard port
  505. 1 = /dev/ttyD1 Second Digiboard port
  506. ...
  507. 22 block Second IDE hard disk/CD-ROM interface
  508. 0 = /dev/hdc Master: whole disk (or CD-ROM)
  509. 64 = /dev/hdd Slave: whole disk (or CD-ROM)
  510. Partitions are handled the same way as for the first
  511. interface (see major number 3).
  512. 23 char Digiboard serial card - alternate devices
  513. 0 = /dev/cud0 Callout device for ttyD0
  514. 1 = /dev/cud1 Callout device for ttyD1
  515. ...
  516. 23 block Mitsumi proprietary CD-ROM
  517. 0 = /dev/mcd Mitsumi CD-ROM
  518. 24 char Stallion serial card
  519. 0 = /dev/ttyE0 Stallion port 0 card 0
  520. 1 = /dev/ttyE1 Stallion port 1 card 0
  521. ...
  522. 64 = /dev/ttyE64 Stallion port 0 card 1
  523. 65 = /dev/ttyE65 Stallion port 1 card 1
  524. ...
  525. 128 = /dev/ttyE128 Stallion port 0 card 2
  526. 129 = /dev/ttyE129 Stallion port 1 card 2
  527. ...
  528. 192 = /dev/ttyE192 Stallion port 0 card 3
  529. 193 = /dev/ttyE193 Stallion port 1 card 3
  530. ...
  531. 24 block Sony CDU-535 CD-ROM
  532. 0 = /dev/cdu535 Sony CDU-535 CD-ROM
  533. 25 char Stallion serial card - alternate devices
  534. 0 = /dev/cue0 Callout device for ttyE0
  535. 1 = /dev/cue1 Callout device for ttyE1
  536. ...
  537. 64 = /dev/cue64 Callout device for ttyE64
  538. 65 = /dev/cue65 Callout device for ttyE65
  539. ...
  540. 128 = /dev/cue128 Callout device for ttyE128
  541. 129 = /dev/cue129 Callout device for ttyE129
  542. ...
  543. 192 = /dev/cue192 Callout device for ttyE192
  544. 193 = /dev/cue193 Callout device for ttyE193
  545. ...
  546. 25 block First Matsushita (Panasonic/SoundBlaster) CD-ROM
  547. 0 = /dev/sbpcd0 Panasonic CD-ROM controller 0 unit 0
  548. 1 = /dev/sbpcd1 Panasonic CD-ROM controller 0 unit 1
  549. 2 = /dev/sbpcd2 Panasonic CD-ROM controller 0 unit 2
  550. 3 = /dev/sbpcd3 Panasonic CD-ROM controller 0 unit 3
  551. 26 char Quanta WinVision frame grabber {2.6}
  552. 0 = /dev/wvisfgrab Quanta WinVision frame grabber
  553. 26 block Second Matsushita (Panasonic/SoundBlaster) CD-ROM
  554. 0 = /dev/sbpcd4 Panasonic CD-ROM controller 1 unit 0
  555. 1 = /dev/sbpcd5 Panasonic CD-ROM controller 1 unit 1
  556. 2 = /dev/sbpcd6 Panasonic CD-ROM controller 1 unit 2
  557. 3 = /dev/sbpcd7 Panasonic CD-ROM controller 1 unit 3
  558. 27 char QIC-117 tape
  559. 0 = /dev/qft0 Unit 0, rewind-on-close
  560. 1 = /dev/qft1 Unit 1, rewind-on-close
  561. 2 = /dev/qft2 Unit 2, rewind-on-close
  562. 3 = /dev/qft3 Unit 3, rewind-on-close
  563. 4 = /dev/nqft0 Unit 0, no rewind-on-close
  564. 5 = /dev/nqft1 Unit 1, no rewind-on-close
  565. 6 = /dev/nqft2 Unit 2, no rewind-on-close
  566. 7 = /dev/nqft3 Unit 3, no rewind-on-close
  567. 16 = /dev/zqft0 Unit 0, rewind-on-close, compression
  568. 17 = /dev/zqft1 Unit 1, rewind-on-close, compression
  569. 18 = /dev/zqft2 Unit 2, rewind-on-close, compression
  570. 19 = /dev/zqft3 Unit 3, rewind-on-close, compression
  571. 20 = /dev/nzqft0 Unit 0, no rewind-on-close, compression
  572. 21 = /dev/nzqft1 Unit 1, no rewind-on-close, compression
  573. 22 = /dev/nzqft2 Unit 2, no rewind-on-close, compression
  574. 23 = /dev/nzqft3 Unit 3, no rewind-on-close, compression
  575. 32 = /dev/rawqft0 Unit 0, rewind-on-close, no file marks
  576. 33 = /dev/rawqft1 Unit 1, rewind-on-close, no file marks
  577. 34 = /dev/rawqft2 Unit 2, rewind-on-close, no file marks
  578. 35 = /dev/rawqft3 Unit 3, rewind-on-close, no file marks
  579. 36 = /dev/nrawqft0 Unit 0, no rewind-on-close, no file marks
  580. 37 = /dev/nrawqft1 Unit 1, no rewind-on-close, no file marks
  581. 38 = /dev/nrawqft2 Unit 2, no rewind-on-close, no file marks
  582. 39 = /dev/nrawqft3 Unit 3, no rewind-on-close, no file marks
  583. 27 block Third Matsushita (Panasonic/SoundBlaster) CD-ROM
  584. 0 = /dev/sbpcd8 Panasonic CD-ROM controller 2 unit 0
  585. 1 = /dev/sbpcd9 Panasonic CD-ROM controller 2 unit 1
  586. 2 = /dev/sbpcd10 Panasonic CD-ROM controller 2 unit 2
  587. 3 = /dev/sbpcd11 Panasonic CD-ROM controller 2 unit 3
  588. 28 char Stallion serial card - card programming
  589. 0 = /dev/staliomem0 First Stallion card I/O memory
  590. 1 = /dev/staliomem1 Second Stallion card I/O memory
  591. 2 = /dev/staliomem2 Third Stallion card I/O memory
  592. 3 = /dev/staliomem3 Fourth Stallion card I/O memory
  593. 28 char Atari SLM ACSI laser printer (68k/Atari)
  594. 0 = /dev/slm0 First SLM laser printer
  595. 1 = /dev/slm1 Second SLM laser printer
  596. ...
  597. 28 block Fourth Matsushita (Panasonic/SoundBlaster) CD-ROM
  598. 0 = /dev/sbpcd12 Panasonic CD-ROM controller 3 unit 0
  599. 1 = /dev/sbpcd13 Panasonic CD-ROM controller 3 unit 1
  600. 2 = /dev/sbpcd14 Panasonic CD-ROM controller 3 unit 2
  601. 3 = /dev/sbpcd15 Panasonic CD-ROM controller 3 unit 3
  602. 28 block ACSI disk (68k/Atari)
  603. 0 = /dev/ada First ACSI disk whole disk
  604. 16 = /dev/adb Second ACSI disk whole disk
  605. 32 = /dev/adc Third ACSI disk whole disk
  606. ...
  607. 240 = /dev/adp 16th ACSI disk whole disk
  608. Partitions are handled in the same way as for IDE
  609. disks (see major number 3) except that the limit on
  610. partitions is 15, like SCSI.
  611. 29 char Universal frame buffer
  612. 0 = /dev/fb0 First frame buffer
  613. 1 = /dev/fb1 Second frame buffer
  614. ...
  615. 31 = /dev/fb31 32nd frame buffer
  616. 29 block Aztech/Orchid/Okano/Wearnes CD-ROM
  617. 0 = /dev/aztcd Aztech CD-ROM
  618. 30 char iBCS-2 compatibility devices
  619. 0 = /dev/socksys Socket access
  620. 1 = /dev/spx SVR3 local X interface
  621. 32 = /dev/inet/ip Network access
  622. 33 = /dev/inet/icmp
  623. 34 = /dev/inet/ggp
  624. 35 = /dev/inet/ipip
  625. 36 = /dev/inet/tcp
  626. 37 = /dev/inet/egp
  627. 38 = /dev/inet/pup
  628. 39 = /dev/inet/udp
  629. 40 = /dev/inet/idp
  630. 41 = /dev/inet/rawip
  631. Additionally, iBCS-2 requires the following links:
  632. /dev/ip -> /dev/inet/ip
  633. /dev/icmp -> /dev/inet/icmp
  634. /dev/ggp -> /dev/inet/ggp
  635. /dev/ipip -> /dev/inet/ipip
  636. /dev/tcp -> /dev/inet/tcp
  637. /dev/egp -> /dev/inet/egp
  638. /dev/pup -> /dev/inet/pup
  639. /dev/udp -> /dev/inet/udp
  640. /dev/idp -> /dev/inet/idp
  641. /dev/rawip -> /dev/inet/rawip
  642. /dev/inet/arp -> /dev/inet/udp
  643. /dev/inet/rip -> /dev/inet/udp
  644. /dev/nfsd -> /dev/socksys
  645. /dev/X0R -> /dev/null (? apparently not required ?)
  646. 30 block Philips LMS CM-205 CD-ROM
  647. 0 = /dev/cm205cd Philips LMS CM-205 CD-ROM
  648. /dev/lmscd is an older name for this device. This
  649. driver does not work with the CM-205MS CD-ROM.
  650. 31 char MPU-401 MIDI
  651. 0 = /dev/mpu401data MPU-401 data port
  652. 1 = /dev/mpu401stat MPU-401 status port
  653. 31 block ROM/flash memory card
  654. 0 = /dev/rom0 First ROM card (rw)
  655. ...
  656. 7 = /dev/rom7 Eighth ROM card (rw)
  657. 8 = /dev/rrom0 First ROM card (ro)
  658. ...
  659. 15 = /dev/rrom7 Eighth ROM card (ro)
  660. 16 = /dev/flash0 First flash memory card (rw)
  661. ...
  662. 23 = /dev/flash7 Eighth flash memory card (rw)
  663. 24 = /dev/rflash0 First flash memory card (ro)
  664. ...
  665. 31 = /dev/rflash7 Eighth flash memory card (ro)
  666. The read-write (rw) devices support back-caching
  667. written data in RAM, as well as writing to flash RAM
  668. devices. The read-only devices (ro) support reading
  669. only.
  670. 32 char Specialix serial card
  671. 0 = /dev/ttyX0 First Specialix port
  672. 1 = /dev/ttyX1 Second Specialix port
  673. ...
  674. 32 block Philips LMS CM-206 CD-ROM
  675. 0 = /dev/cm206cd Philips LMS CM-206 CD-ROM
  676. 33 char Specialix serial card - alternate devices
  677. 0 = /dev/cux0 Callout device for ttyX0
  678. 1 = /dev/cux1 Callout device for ttyX1
  679. ...
  680. 33 block Third IDE hard disk/CD-ROM interface
  681. 0 = /dev/hde Master: whole disk (or CD-ROM)
  682. 64 = /dev/hdf Slave: whole disk (or CD-ROM)
  683. Partitions are handled the same way as for the first
  684. interface (see major number 3).
  685. 34 char Z8530 HDLC driver
  686. 0 = /dev/scc0 First Z8530, first port
  687. 1 = /dev/scc1 First Z8530, second port
  688. 2 = /dev/scc2 Second Z8530, first port
  689. 3 = /dev/scc3 Second Z8530, second port
  690. ...
  691. In a previous version these devices were named
  692. /dev/sc1 for /dev/scc0, /dev/sc2 for /dev/scc1, and so
  693. on.
  694. 34 block Fourth IDE hard disk/CD-ROM interface
  695. 0 = /dev/hdg Master: whole disk (or CD-ROM)
  696. 64 = /dev/hdh Slave: whole disk (or CD-ROM)
  697. Partitions are handled the same way as for the first
  698. interface (see major number 3).
  699. 35 char tclmidi MIDI driver
  700. 0 = /dev/midi0 First MIDI port, kernel timed
  701. 1 = /dev/midi1 Second MIDI port, kernel timed
  702. 2 = /dev/midi2 Third MIDI port, kernel timed
  703. 3 = /dev/midi3 Fourth MIDI port, kernel timed
  704. 64 = /dev/rmidi0 First MIDI port, untimed
  705. 65 = /dev/rmidi1 Second MIDI port, untimed
  706. 66 = /dev/rmidi2 Third MIDI port, untimed
  707. 67 = /dev/rmidi3 Fourth MIDI port, untimed
  708. 128 = /dev/smpte0 First MIDI port, SMPTE timed
  709. 129 = /dev/smpte1 Second MIDI port, SMPTE timed
  710. 130 = /dev/smpte2 Third MIDI port, SMPTE timed
  711. 131 = /dev/smpte3 Fourth MIDI port, SMPTE timed
  712. 35 block Slow memory ramdisk
  713. 0 = /dev/slram Slow memory ramdisk
  714. 36 char Netlink support
  715. 0 = /dev/route Routing, device updates, kernel to user
  716. 1 = /dev/skip enSKIP security cache control
  717. 3 = /dev/fwmonitor Firewall packet copies
  718. 16 = /dev/tap0 First Ethertap device
  719. ...
  720. 31 = /dev/tap15 16th Ethertap device
  721. 36 block MCA ESDI hard disk
  722. 0 = /dev/eda First ESDI disk whole disk
  723. 64 = /dev/edb Second ESDI disk whole disk
  724. ...
  725. Partitions are handled in the same way as IDE disks
  726. (see major number 3).
  727. 37 char IDE tape
  728. 0 = /dev/ht0 First IDE tape
  729. 1 = /dev/ht1 Second IDE tape
  730. ...
  731. 128 = /dev/nht0 First IDE tape, no rewind-on-close
  732. 129 = /dev/nht1 Second IDE tape, no rewind-on-close
  733. ...
  734. Currently, only one IDE tape drive is supported.
  735. 37 block Zorro II ramdisk
  736. 0 = /dev/z2ram Zorro II ramdisk
  737. 38 char Myricom PCI Myrinet board
  738. 0 = /dev/mlanai0 First Myrinet board
  739. 1 = /dev/mlanai1 Second Myrinet board
  740. ...
  741. This device is used for status query, board control
  742. and "user level packet I/O." This board is also
  743. accessible as a standard networking "eth" device.
  744. 38 block Reserved for Linux/AP+
  745. 39 char ML-16P experimental I/O board
  746. 0 = /dev/ml16pa-a0 First card, first analog channel
  747. 1 = /dev/ml16pa-a1 First card, second analog channel
  748. ...
  749. 15 = /dev/ml16pa-a15 First card, 16th analog channel
  750. 16 = /dev/ml16pa-d First card, digital lines
  751. 17 = /dev/ml16pa-c0 First card, first counter/timer
  752. 18 = /dev/ml16pa-c1 First card, second counter/timer
  753. 19 = /dev/ml16pa-c2 First card, third counter/timer
  754. 32 = /dev/ml16pb-a0 Second card, first analog channel
  755. 33 = /dev/ml16pb-a1 Second card, second analog channel
  756. ...
  757. 47 = /dev/ml16pb-a15 Second card, 16th analog channel
  758. 48 = /dev/ml16pb-d Second card, digital lines
  759. 49 = /dev/ml16pb-c0 Second card, first counter/timer
  760. 50 = /dev/ml16pb-c1 Second card, second counter/timer
  761. 51 = /dev/ml16pb-c2 Second card, third counter/timer
  762. ...
  763. 39 block Reserved for Linux/AP+
  764. 40 char Matrox Meteor frame grabber {2.6}
  765. 0 = /dev/mmetfgrab Matrox Meteor frame grabber
  766. 40 block Syquest EZ135 parallel port removable drive
  767. 0 = /dev/eza Parallel EZ135 drive, whole disk
  768. This device is obsolete and will be removed in a
  769. future version of Linux. It has been replaced with
  770. the parallel port IDE disk driver at major number 45.
  771. Partitions are handled in the same way as IDE disks
  772. (see major number 3).
  773. 41 char Yet Another Micro Monitor
  774. 0 = /dev/yamm Yet Another Micro Monitor
  775. 41 block MicroSolutions BackPack parallel port CD-ROM
  776. 0 = /dev/bpcd BackPack CD-ROM
  777. This device is obsolete and will be removed in a
  778. future version of Linux. It has been replaced with
  779. the parallel port ATAPI CD-ROM driver at major number 46.
  780. 42 char Demo/sample use
  781. 42 block Demo/sample use
  782. This number is intended for use in sample code, as
  783. well as a general "example" device number. It
  784. should never be used for a device driver that is being
  785. distributed; either obtain an official number or use
  786. the local/experimental range. The sudden addition or
  787. removal of a driver with this number should not cause
  788. ill effects to the system (bugs excepted.)
  789. IN PARTICULAR, ANY DISTRIBUTION WHICH CONTAINS A
  790. DEVICE DRIVER USING MAJOR NUMBER 42 IS NONCOMPLIANT.
  791. 43 char isdn4linux virtual modem
  792. 0 = /dev/ttyI0 First virtual modem
  793. ...
  794. 63 = /dev/ttyI63 64th virtual modem
  795. 43 block Network block devices
  796. 0 = /dev/nb0 First network block device
  797. 1 = /dev/nb1 Second network block device
  798. ...
  799. Network Block Device is somehow similar to loopback
  800. devices: If you read from it, it sends packet across
  801. network asking server for data. If you write to it, it
  802. sends packet telling server to write. It could be used
  803. to mounting filesystems over the net, swapping over
  804. the net, implementing block device in userland etc.
  805. 44 char isdn4linux virtual modem - alternate devices
  806. 0 = /dev/cui0 Callout device for ttyI0
  807. ...
  808. 63 = /dev/cui63 Callout device for ttyI63
  809. 44 block Flash Translation Layer (FTL) filesystems
  810. 0 = /dev/ftla FTL on first Memory Technology Device
  811. 16 = /dev/ftlb FTL on second Memory Technology Device
  812. 32 = /dev/ftlc FTL on third Memory Technology Device
  813. ...
  814. 240 = /dev/ftlp FTL on 16th Memory Technology Device
  815. Partitions are handled in the same way as for IDE
  816. disks (see major number 3) except that the partition
  817. limit is 15 rather than 63 per disk (same as SCSI.)
  818. 45 char isdn4linux ISDN BRI driver
  819. 0 = /dev/isdn0 First virtual B channel raw data
  820. ...
  821. 63 = /dev/isdn63 64th virtual B channel raw data
  822. 64 = /dev/isdnctrl0 First channel control/debug
  823. ...
  824. 127 = /dev/isdnctrl63 64th channel control/debug
  825. 128 = /dev/ippp0 First SyncPPP device
  826. ...
  827. 191 = /dev/ippp63 64th SyncPPP device
  828. 255 = /dev/isdninfo ISDN monitor interface
  829. 45 block Parallel port IDE disk devices
  830. 0 = /dev/pda First parallel port IDE disk
  831. 16 = /dev/pdb Second parallel port IDE disk
  832. 32 = /dev/pdc Third parallel port IDE disk
  833. 48 = /dev/pdd Fourth parallel port IDE disk
  834. Partitions are handled in the same way as for IDE
  835. disks (see major number 3) except that the partition
  836. limit is 15 rather than 63 per disk.
  837. 46 char Comtrol Rocketport serial card
  838. 0 = /dev/ttyR0 First Rocketport port
  839. 1 = /dev/ttyR1 Second Rocketport port
  840. ...
  841. 46 block Parallel port ATAPI CD-ROM devices
  842. 0 = /dev/pcd0 First parallel port ATAPI CD-ROM
  843. 1 = /dev/pcd1 Second parallel port ATAPI CD-ROM
  844. 2 = /dev/pcd2 Third parallel port ATAPI CD-ROM
  845. 3 = /dev/pcd3 Fourth parallel port ATAPI CD-ROM
  846. 47 char Comtrol Rocketport serial card - alternate devices
  847. 0 = /dev/cur0 Callout device for ttyR0
  848. 1 = /dev/cur1 Callout device for ttyR1
  849. ...
  850. 47 block Parallel port ATAPI disk devices
  851. 0 = /dev/pf0 First parallel port ATAPI disk
  852. 1 = /dev/pf1 Second parallel port ATAPI disk
  853. 2 = /dev/pf2 Third parallel port ATAPI disk
  854. 3 = /dev/pf3 Fourth parallel port ATAPI disk
  855. This driver is intended for floppy disks and similar
  856. devices and hence does not support partitioning.
  857. 48 char SDL RISCom serial card
  858. 0 = /dev/ttyL0 First RISCom port
  859. 1 = /dev/ttyL1 Second RISCom port
  860. ...
  861. 48 block Mylex DAC960 PCI RAID controller; first controller
  862. 0 = /dev/rd/c0d0 First disk, whole disk
  863. 8 = /dev/rd/c0d1 Second disk, whole disk
  864. ...
  865. 248 = /dev/rd/c0d31 32nd disk, whole disk
  866. For partitions add:
  867. 0 = /dev/rd/c?d? Whole disk
  868. 1 = /dev/rd/c?d?p1 First partition
  869. ...
  870. 7 = /dev/rd/c?d?p7 Seventh partition
  871. 49 char SDL RISCom serial card - alternate devices
  872. 0 = /dev/cul0 Callout device for ttyL0
  873. 1 = /dev/cul1 Callout device for ttyL1
  874. ...
  875. 49 block Mylex DAC960 PCI RAID controller; second controller
  876. 0 = /dev/rd/c1d0 First disk, whole disk
  877. 8 = /dev/rd/c1d1 Second disk, whole disk
  878. ...
  879. 248 = /dev/rd/c1d31 32nd disk, whole disk
  880. Partitions are handled as for major 48.
  881. 50 char Reserved for GLINT
  882. 50 block Mylex DAC960 PCI RAID controller; third controller
  883. 0 = /dev/rd/c2d0 First disk, whole disk
  884. 8 = /dev/rd/c2d1 Second disk, whole disk
  885. ...
  886. 248 = /dev/rd/c2d31 32nd disk, whole disk
  887. 51 char Baycom radio modem OR Radio Tech BIM-XXX-RS232 radio modem
  888. 0 = /dev/bc0 First Baycom radio modem
  889. 1 = /dev/bc1 Second Baycom radio modem
  890. ...
  891. 51 block Mylex DAC960 PCI RAID controller; fourth controller
  892. 0 = /dev/rd/c3d0 First disk, whole disk
  893. 8 = /dev/rd/c3d1 Second disk, whole disk
  894. ...
  895. 248 = /dev/rd/c3d31 32nd disk, whole disk
  896. Partitions are handled as for major 48.
  897. 52 char Spellcaster DataComm/BRI ISDN card
  898. 0 = /dev/dcbri0 First DataComm card
  899. 1 = /dev/dcbri1 Second DataComm card
  900. 2 = /dev/dcbri2 Third DataComm card
  901. 3 = /dev/dcbri3 Fourth DataComm card
  902. 52 block Mylex DAC960 PCI RAID controller; fifth controller
  903. 0 = /dev/rd/c4d0 First disk, whole disk
  904. 8 = /dev/rd/c4d1 Second disk, whole disk
  905. ...
  906. 248 = /dev/rd/c4d31 32nd disk, whole disk
  907. Partitions are handled as for major 48.
  908. 53 char BDM interface for remote debugging MC683xx microcontrollers
  909. 0 = /dev/pd_bdm0 PD BDM interface on lp0
  910. 1 = /dev/pd_bdm1 PD BDM interface on lp1
  911. 2 = /dev/pd_bdm2 PD BDM interface on lp2
  912. 4 = /dev/icd_bdm0 ICD BDM interface on lp0
  913. 5 = /dev/icd_bdm1 ICD BDM interface on lp1
  914. 6 = /dev/icd_bdm2 ICD BDM interface on lp2
  915. This device is used for the interfacing to the MC683xx
  916. microcontrollers via Background Debug Mode by use of a
  917. Parallel Port interface. PD is the Motorola Public
  918. Domain Interface and ICD is the commercial interface
  919. by P&E.
  920. 53 block Mylex DAC960 PCI RAID controller; sixth controller
  921. 0 = /dev/rd/c5d0 First disk, whole disk
  922. 8 = /dev/rd/c5d1 Second disk, whole disk
  923. ...
  924. 248 = /dev/rd/c5d31 32nd disk, whole disk
  925. Partitions are handled as for major 48.
  926. 54 char Electrocardiognosis Holter serial card
  927. 0 = /dev/holter0 First Holter port
  928. 1 = /dev/holter1 Second Holter port
  929. 2 = /dev/holter2 Third Holter port
  930. A custom serial card used by Electrocardiognosis SRL
  931. <mseritan@ottonel.pub.ro> to transfer data from Holter
  932. 24-hour heart monitoring equipment.
  933. 54 block Mylex DAC960 PCI RAID controller; seventh controller
  934. 0 = /dev/rd/c6d0 First disk, whole disk
  935. 8 = /dev/rd/c6d1 Second disk, whole disk
  936. ...
  937. 248 = /dev/rd/c6d31 32nd disk, whole disk
  938. Partitions are handled as for major 48.
  939. 55 char DSP56001 digital signal processor
  940. 0 = /dev/dsp56k First DSP56001
  941. 55 block Mylex DAC960 PCI RAID controller; eighth controller
  942. 0 = /dev/rd/c7d0 First disk, whole disk
  943. 8 = /dev/rd/c7d1 Second disk, whole disk
  944. ...
  945. 248 = /dev/rd/c7d31 32nd disk, whole disk
  946. Partitions are handled as for major 48.
  947. 56 char Apple Desktop Bus
  948. 0 = /dev/adb ADB bus control
  949. Additional devices will be added to this number, all
  950. starting with /dev/adb.
  951. 56 block Fifth IDE hard disk/CD-ROM interface
  952. 0 = /dev/hdi Master: whole disk (or CD-ROM)
  953. 64 = /dev/hdj Slave: whole disk (or CD-ROM)
  954. Partitions are handled the same way as for the first
  955. interface (see major number 3).
  956. 57 char Hayes ESP serial card
  957. 0 = /dev/ttyP0 First ESP port
  958. 1 = /dev/ttyP1 Second ESP port
  959. ...
  960. 57 block Sixth IDE hard disk/CD-ROM interface
  961. 0 = /dev/hdk Master: whole disk (or CD-ROM)
  962. 64 = /dev/hdl Slave: whole disk (or CD-ROM)
  963. Partitions are handled the same way as for the first
  964. interface (see major number 3).
  965. 58 char Hayes ESP serial card - alternate devices
  966. 0 = /dev/cup0 Callout device for ttyP0
  967. 1 = /dev/cup1 Callout device for ttyP1
  968. ...
  969. 58 block Reserved for logical volume manager
  970. 59 char sf firewall package
  971. 0 = /dev/firewall Communication with sf kernel module
  972. 59 block Generic PDA filesystem device
  973. 0 = /dev/pda0 First PDA device
  974. 1 = /dev/pda1 Second PDA device
  975. ...
  976. The pda devices are used to mount filesystems on
  977. remote pda's (basically slow handheld machines with
  978. proprietary OS's and limited memory and storage
  979. running small fs translation drivers) through serial /
  980. IRDA / parallel links.
  981. NAMING CONFLICT -- PROPOSED REVISED NAME /dev/rpda0 etc
  982. 60-63 char LOCAL/EXPERIMENTAL USE
  983. 60-63 block LOCAL/EXPERIMENTAL USE
  984. Allocated for local/experimental use. For devices not
  985. assigned official numbers, these ranges should be
  986. used in order to avoid conflicting with future assignments.
  987. 64 char ENskip kernel encryption package
  988. 0 = /dev/enskip Communication with ENskip kernel module
  989. 64 block Scramdisk/DriveCrypt encrypted devices
  990. 0 = /dev/scramdisk/master Master node for ioctls
  991. 1 = /dev/scramdisk/1 First encrypted device
  992. 2 = /dev/scramdisk/2 Second encrypted device
  993. ...
  994. 255 = /dev/scramdisk/255 255th encrypted device
  995. The filename of the encrypted container and the passwords
  996. are sent via ioctls (using the sdmount tool) to the master
  997. node which then activates them via one of the
  998. /dev/scramdisk/x nodes for loop mounting (all handled
  999. through the sdmount tool).
  1000. Requested by: andy@scramdisklinux.org
  1001. 65 char Sundance "plink" Transputer boards (obsolete, unused)
  1002. 0 = /dev/plink0 First plink device
  1003. 1 = /dev/plink1 Second plink device
  1004. 2 = /dev/plink2 Third plink device
  1005. 3 = /dev/plink3 Fourth plink device
  1006. 64 = /dev/rplink0 First plink device, raw
  1007. 65 = /dev/rplink1 Second plink device, raw
  1008. 66 = /dev/rplink2 Third plink device, raw
  1009. 67 = /dev/rplink3 Fourth plink device, raw
  1010. 128 = /dev/plink0d First plink device, debug
  1011. 129 = /dev/plink1d Second plink device, debug
  1012. 130 = /dev/plink2d Third plink device, debug
  1013. 131 = /dev/plink3d Fourth plink device, debug
  1014. 192 = /dev/rplink0d First plink device, raw, debug
  1015. 193 = /dev/rplink1d Second plink device, raw, debug
  1016. 194 = /dev/rplink2d Third plink device, raw, debug
  1017. 195 = /dev/rplink3d Fourth plink device, raw, debug
  1018. This is a commercial driver; contact James Howes
  1019. <jth@prosig.demon.co.uk> for information.
  1020. 65 block SCSI disk devices (16-31)
  1021. 0 = /dev/sdq 17th SCSI disk whole disk
  1022. 16 = /dev/sdr 18th SCSI disk whole disk
  1023. 32 = /dev/sds 19th SCSI disk whole disk
  1024. ...
  1025. 240 = /dev/sdaf 32nd SCSI disk whole disk
  1026. Partitions are handled in the same way as for IDE
  1027. disks (see major number 3) except that the limit on
  1028. partitions is 15.
  1029. 66 char YARC PowerPC PCI coprocessor card
  1030. 0 = /dev/yppcpci0 First YARC card
  1031. 1 = /dev/yppcpci1 Second YARC card
  1032. ...
  1033. 66 block SCSI disk devices (32-47)
  1034. 0 = /dev/sdag 33th SCSI disk whole disk
  1035. 16 = /dev/sdah 34th SCSI disk whole disk
  1036. 32 = /dev/sdai 35th SCSI disk whole disk
  1037. ...
  1038. 240 = /dev/sdav 48nd SCSI disk whole disk
  1039. Partitions are handled in the same way as for IDE
  1040. disks (see major number 3) except that the limit on
  1041. partitions is 15.
  1042. 67 char Coda network file system
  1043. 0 = /dev/cfs0 Coda cache manager
  1044. See http://www.coda.cs.cmu.edu for information about Coda.
  1045. 67 block SCSI disk devices (48-63)
  1046. 0 = /dev/sdaw 49th SCSI disk whole disk
  1047. 16 = /dev/sdax 50th SCSI disk whole disk
  1048. 32 = /dev/sday 51st SCSI disk whole disk
  1049. ...
  1050. 240 = /dev/sdbl 64th SCSI disk whole disk
  1051. Partitions are handled in the same way as for IDE
  1052. disks (see major number 3) except that the limit on
  1053. partitions is 15.
  1054. 68 char CAPI 2.0 interface
  1055. 0 = /dev/capi20 Control device
  1056. 1 = /dev/capi20.00 First CAPI 2.0 application
  1057. 2 = /dev/capi20.01 Second CAPI 2.0 application
  1058. ...
  1059. 20 = /dev/capi20.19 19th CAPI 2.0 application
  1060. ISDN CAPI 2.0 driver for use with CAPI 2.0
  1061. applications; currently supports the AVM B1 card.
  1062. 68 block SCSI disk devices (64-79)
  1063. 0 = /dev/sdbm 65th SCSI disk whole disk
  1064. 16 = /dev/sdbn 66th SCSI disk whole disk
  1065. 32 = /dev/sdbo 67th SCSI disk whole disk
  1066. ...
  1067. 240 = /dev/sdcb 80th SCSI disk whole disk
  1068. Partitions are handled in the same way as for IDE
  1069. disks (see major number 3) except that the limit on
  1070. partitions is 15.
  1071. 69 char MA16 numeric accelerator card
  1072. 0 = /dev/ma16 Board memory access
  1073. 69 block SCSI disk devices (80-95)
  1074. 0 = /dev/sdcc 81st SCSI disk whole disk
  1075. 16 = /dev/sdcd 82nd SCSI disk whole disk
  1076. 32 = /dev/sdce 83th SCSI disk whole disk
  1077. ...
  1078. 240 = /dev/sdcr 96th SCSI disk whole disk
  1079. Partitions are handled in the same way as for IDE
  1080. disks (see major number 3) except that the limit on
  1081. partitions is 15.
  1082. 70 char SpellCaster Protocol Services Interface
  1083. 0 = /dev/apscfg Configuration interface
  1084. 1 = /dev/apsauth Authentication interface
  1085. 2 = /dev/apslog Logging interface
  1086. 3 = /dev/apsdbg Debugging interface
  1087. 64 = /dev/apsisdn ISDN command interface
  1088. 65 = /dev/apsasync Async command interface
  1089. 128 = /dev/apsmon Monitor interface
  1090. 70 block SCSI disk devices (96-111)
  1091. 0 = /dev/sdcs 97th SCSI disk whole disk
  1092. 16 = /dev/sdct 98th SCSI disk whole disk
  1093. 32 = /dev/sdcu 99th SCSI disk whole disk
  1094. ...
  1095. 240 = /dev/sddh 112nd SCSI disk whole disk
  1096. Partitions are handled in the same way as for IDE
  1097. disks (see major number 3) except that the limit on
  1098. partitions is 15.
  1099. 71 char Computone IntelliPort II serial card
  1100. 0 = /dev/ttyF0 IntelliPort II board 0, port 0
  1101. 1 = /dev/ttyF1 IntelliPort II board 0, port 1
  1102. ...
  1103. 63 = /dev/ttyF63 IntelliPort II board 0, port 63
  1104. 64 = /dev/ttyF64 IntelliPort II board 1, port 0
  1105. 65 = /dev/ttyF65 IntelliPort II board 1, port 1
  1106. ...
  1107. 127 = /dev/ttyF127 IntelliPort II board 1, port 63
  1108. 128 = /dev/ttyF128 IntelliPort II board 2, port 0
  1109. 129 = /dev/ttyF129 IntelliPort II board 2, port 1
  1110. ...
  1111. 191 = /dev/ttyF191 IntelliPort II board 2, port 63
  1112. 192 = /dev/ttyF192 IntelliPort II board 3, port 0
  1113. 193 = /dev/ttyF193 IntelliPort II board 3, port 1
  1114. ...
  1115. 255 = /dev/ttyF255 IntelliPort II board 3, port 63
  1116. 71 block SCSI disk devices (112-127)
  1117. 0 = /dev/sddi 113th SCSI disk whole disk
  1118. 16 = /dev/sddj 114th SCSI disk whole disk
  1119. 32 = /dev/sddk 115th SCSI disk whole disk
  1120. ...
  1121. 240 = /dev/sddx 128th SCSI disk whole disk
  1122. Partitions are handled in the same way as for IDE
  1123. disks (see major number 3) except that the limit on
  1124. partitions is 15.
  1125. 72 char Computone IntelliPort II serial card - alternate devices
  1126. 0 = /dev/cuf0 Callout device for ttyF0
  1127. 1 = /dev/cuf1 Callout device for ttyF1
  1128. ...
  1129. 63 = /dev/cuf63 Callout device for ttyF63
  1130. 64 = /dev/cuf64 Callout device for ttyF64
  1131. 65 = /dev/cuf65 Callout device for ttyF65
  1132. ...
  1133. 127 = /dev/cuf127 Callout device for ttyF127
  1134. 128 = /dev/cuf128 Callout device for ttyF128
  1135. 129 = /dev/cuf129 Callout device for ttyF129
  1136. ...
  1137. 191 = /dev/cuf191 Callout device for ttyF191
  1138. 192 = /dev/cuf192 Callout device for ttyF192
  1139. 193 = /dev/cuf193 Callout device for ttyF193
  1140. ...
  1141. 255 = /dev/cuf255 Callout device for ttyF255
  1142. 72 block Compaq Intelligent Drive Array, first controller
  1143. 0 = /dev/ida/c0d0 First logical drive whole disk
  1144. 16 = /dev/ida/c0d1 Second logical drive whole disk
  1145. ...
  1146. 240 = /dev/ida/c0d15 16th logical drive whole disk
  1147. Partitions are handled the same way as for Mylex
  1148. DAC960 (see major number 48) except that the limit on
  1149. partitions is 15.
  1150. 73 char Computone IntelliPort II serial card - control devices
  1151. 0 = /dev/ip2ipl0 Loadware device for board 0
  1152. 1 = /dev/ip2stat0 Status device for board 0
  1153. 4 = /dev/ip2ipl1 Loadware device for board 1
  1154. 5 = /dev/ip2stat1 Status device for board 1
  1155. 8 = /dev/ip2ipl2 Loadware device for board 2
  1156. 9 = /dev/ip2stat2 Status device for board 2
  1157. 12 = /dev/ip2ipl3 Loadware device for board 3
  1158. 13 = /dev/ip2stat3 Status device for board 3
  1159. 73 block Compaq Intelligent Drive Array, second controller
  1160. 0 = /dev/ida/c1d0 First logical drive whole disk
  1161. 16 = /dev/ida/c1d1 Second logical drive whole disk
  1162. ...
  1163. 240 = /dev/ida/c1d15 16th logical drive whole disk
  1164. Partitions are handled the same way as for Mylex
  1165. DAC960 (see major number 48) except that the limit on
  1166. partitions is 15.
  1167. 74 char SCI bridge
  1168. 0 = /dev/SCI/0 SCI device 0
  1169. 1 = /dev/SCI/1 SCI device 1
  1170. ...
  1171. Currently for Dolphin Interconnect Solutions' PCI-SCI
  1172. bridge.
  1173. 74 block Compaq Intelligent Drive Array, third controller
  1174. 0 = /dev/ida/c2d0 First logical drive whole disk
  1175. 16 = /dev/ida/c2d1 Second logical drive whole disk
  1176. ...
  1177. 240 = /dev/ida/c2d15 16th logical drive whole disk
  1178. Partitions are handled the same way as for Mylex
  1179. DAC960 (see major number 48) except that the limit on
  1180. partitions is 15.
  1181. 75 char Specialix IO8+ serial card
  1182. 0 = /dev/ttyW0 First IO8+ port, first card
  1183. 1 = /dev/ttyW1 Second IO8+ port, first card
  1184. ...
  1185. 8 = /dev/ttyW8 First IO8+ port, second card
  1186. ...
  1187. 75 block Compaq Intelligent Drive Array, fourth controller
  1188. 0 = /dev/ida/c3d0 First logical drive whole disk
  1189. 16 = /dev/ida/c3d1 Second logical drive whole disk
  1190. ...
  1191. 240 = /dev/ida/c3d15 16th logical drive whole disk
  1192. Partitions are handled the same way as for Mylex
  1193. DAC960 (see major number 48) except that the limit on
  1194. partitions is 15.
  1195. 76 char Specialix IO8+ serial card - alternate devices
  1196. 0 = /dev/cuw0 Callout device for ttyW0
  1197. 1 = /dev/cuw1 Callout device for ttyW1
  1198. ...
  1199. 8 = /dev/cuw8 Callout device for ttyW8
  1200. ...
  1201. 76 block Compaq Intelligent Drive Array, fifth controller
  1202. 0 = /dev/ida/c4d0 First logical drive whole disk
  1203. 16 = /dev/ida/c4d1 Second logical drive whole disk
  1204. ...
  1205. 240 = /dev/ida/c4d15 16th logical drive whole disk
  1206. Partitions are handled the same way as for Mylex
  1207. DAC960 (see major number 48) except that the limit on
  1208. partitions is 15.
  1209. 77 char ComScire Quantum Noise Generator
  1210. 0 = /dev/qng ComScire Quantum Noise Generator
  1211. 77 block Compaq Intelligent Drive Array, sixth controller
  1212. 0 = /dev/ida/c5d0 First logical drive whole disk
  1213. 16 = /dev/ida/c5d1 Second logical drive whole disk
  1214. ...
  1215. 240 = /dev/ida/c5d15 16th logical drive whole disk
  1216. Partitions are handled the same way as for Mylex
  1217. DAC960 (see major number 48) except that the limit on
  1218. partitions is 15.
  1219. 78 char PAM Software's multimodem boards
  1220. 0 = /dev/ttyM0 First PAM modem
  1221. 1 = /dev/ttyM1 Second PAM modem
  1222. ...
  1223. 78 block Compaq Intelligent Drive Array, seventh controller
  1224. 0 = /dev/ida/c6d0 First logical drive whole disk
  1225. 16 = /dev/ida/c6d1 Second logical drive whole disk
  1226. ...
  1227. 240 = /dev/ida/c6d15 16th logical drive whole disk
  1228. Partitions are handled the same way as for Mylex
  1229. DAC960 (see major number 48) except that the limit on
  1230. partitions is 15.
  1231. 79 char PAM Software's multimodem boards - alternate devices
  1232. 0 = /dev/cum0 Callout device for ttyM0
  1233. 1 = /dev/cum1 Callout device for ttyM1
  1234. ...
  1235. 79 block Compaq Intelligent Drive Array, eighth controller
  1236. 0 = /dev/ida/c7d0 First logical drive whole disk
  1237. 16 = /dev/ida/c7d1 Second logical drive whole disk
  1238. ...
  1239. 240 = /dev/ida/c715 16th logical drive whole disk
  1240. Partitions are handled the same way as for Mylex
  1241. DAC960 (see major number 48) except that the limit on
  1242. partitions is 15.
  1243. 80 char Photometrics AT200 CCD camera
  1244. 0 = /dev/at200 Photometrics AT200 CCD camera
  1245. 80 block I2O hard disk
  1246. 0 = /dev/i2o/hda First I2O hard disk, whole disk
  1247. 16 = /dev/i2o/hdb Second I2O hard disk, whole disk
  1248. ...
  1249. 240 = /dev/i2o/hdp 16th I2O hard disk, whole disk
  1250. Partitions are handled in the same way as for IDE
  1251. disks (see major number 3) except that the limit on
  1252. partitions is 15.
  1253. 81 char video4linux
  1254. 0 = /dev/video0 Video capture/overlay device
  1255. ...
  1256. 63 = /dev/video63 Video capture/overlay device
  1257. 64 = /dev/radio0 Radio device
  1258. ...
  1259. 127 = /dev/radio63 Radio device
  1260. 192 = /dev/vtx0 Teletext device
  1261. ...
  1262. 223 = /dev/vtx31 Teletext device
  1263. 224 = /dev/vbi0 Vertical blank interrupt
  1264. ...
  1265. 255 = /dev/vbi31 Vertical blank interrupt
  1266. 81 block I2O hard disk
  1267. 0 = /dev/i2o/hdq 17th I2O hard disk, whole disk
  1268. 16 = /dev/i2o/hdr 18th I2O hard disk, whole disk
  1269. ...
  1270. 240 = /dev/i2o/hdaf 32nd I2O hard disk, whole disk
  1271. Partitions are handled in the same way as for IDE
  1272. disks (see major number 3) except that the limit on
  1273. partitions is 15.
  1274. 82 char WiNRADiO communications receiver card
  1275. 0 = /dev/winradio0 First WiNRADiO card
  1276. 1 = /dev/winradio1 Second WiNRADiO card
  1277. ...
  1278. The driver and documentation may be obtained from
  1279. http://www.proximity.com.au/~brian/winradio/
  1280. 82 block I2O hard disk
  1281. 0 = /dev/i2o/hdag 33rd I2O hard disk, whole disk
  1282. 16 = /dev/i2o/hdah 34th I2O hard disk, whole disk
  1283. ...
  1284. 240 = /dev/i2o/hdav 48th I2O hard disk, whole disk
  1285. Partitions are handled in the same way as for IDE
  1286. disks (see major number 3) except that the limit on
  1287. partitions is 15.
  1288. 83 char Matrox mga_vid video driver
  1289. 0 = /dev/mga_vid0 1st video card
  1290. 1 = /dev/mga_vid1 2nd video card
  1291. 2 = /dev/mga_vid2 3rd video card
  1292. ...
  1293. 15 = /dev/mga_vid15 16th video card
  1294. 83 block I2O hard disk
  1295. 0 = /dev/i2o/hdaw 49th I2O hard disk, whole disk
  1296. 16 = /dev/i2o/hdax 50th I2O hard disk, whole disk
  1297. ...
  1298. 240 = /dev/i2o/hdbl 64th I2O hard disk, whole disk
  1299. Partitions are handled in the same way as for IDE
  1300. disks (see major number 3) except that the limit on
  1301. partitions is 15.
  1302. 84 char Ikon 1011[57] Versatec Greensheet Interface
  1303. 0 = /dev/ihcp0 First Greensheet port
  1304. 1 = /dev/ihcp1 Second Greensheet port
  1305. 84 block I2O hard disk
  1306. 0 = /dev/i2o/hdbm 65th I2O hard disk, whole disk
  1307. 16 = /dev/i2o/hdbn 66th I2O hard disk, whole disk
  1308. ...
  1309. 240 = /dev/i2o/hdcb 80th I2O hard disk, whole disk
  1310. Partitions are handled in the same way as for IDE
  1311. disks (see major number 3) except that the limit on
  1312. partitions is 15.
  1313. 85 char Linux/SGI shared memory input queue
  1314. 0 = /dev/shmiq Master shared input queue
  1315. 1 = /dev/qcntl0 First device pushed
  1316. 2 = /dev/qcntl1 Second device pushed
  1317. ...
  1318. 85 block I2O hard disk
  1319. 0 = /dev/i2o/hdcc 81st I2O hard disk, whole disk
  1320. 16 = /dev/i2o/hdcd 82nd I2O hard disk, whole disk
  1321. ...
  1322. 240 = /dev/i2o/hdcr 96th I2O hard disk, whole disk
  1323. Partitions are handled in the same way as for IDE
  1324. disks (see major number 3) except that the limit on
  1325. partitions is 15.
  1326. 86 char SCSI media changer
  1327. 0 = /dev/sch0 First SCSI media changer
  1328. 1 = /dev/sch1 Second SCSI media changer
  1329. ...
  1330. 86 block I2O hard disk
  1331. 0 = /dev/i2o/hdcs 97th I2O hard disk, whole disk
  1332. 16 = /dev/i2o/hdct 98th I2O hard disk, whole disk
  1333. ...
  1334. 240 = /dev/i2o/hddh 112th I2O hard disk, whole disk
  1335. Partitions are handled in the same way as for IDE
  1336. disks (see major number 3) except that the limit on
  1337. partitions is 15.
  1338. 87 char Sony Control-A1 stereo control bus
  1339. 0 = /dev/controla0 First device on chain
  1340. 1 = /dev/controla1 Second device on chain
  1341. ...
  1342. 87 block I2O hard disk
  1343. 0 = /dev/i2o/hddi 113rd I2O hard disk, whole disk
  1344. 16 = /dev/i2o/hddj 114th I2O hard disk, whole disk
  1345. ...
  1346. 240 = /dev/i2o/hddx 128th I2O hard disk, whole disk
  1347. Partitions are handled in the same way as for IDE
  1348. disks (see major number 3) except that the limit on
  1349. partitions is 15.
  1350. 88 char COMX synchronous serial card
  1351. 0 = /dev/comx0 COMX channel 0
  1352. 1 = /dev/comx1 COMX channel 1
  1353. ...
  1354. 88 block Seventh IDE hard disk/CD-ROM interface
  1355. 0 = /dev/hdm Master: whole disk (or CD-ROM)
  1356. 64 = /dev/hdn Slave: whole disk (or CD-ROM)
  1357. Partitions are handled the same way as for the first
  1358. interface (see major number 3).
  1359. 89 char I2C bus interface
  1360. 0 = /dev/i2c-0 First I2C adapter
  1361. 1 = /dev/i2c-1 Second I2C adapter
  1362. ...
  1363. 89 block Eighth IDE hard disk/CD-ROM interface
  1364. 0 = /dev/hdo Master: whole disk (or CD-ROM)
  1365. 64 = /dev/hdp Slave: whole disk (or CD-ROM)
  1366. Partitions are handled the same way as for the first
  1367. interface (see major number 3).
  1368. 90 char Memory Technology Device (RAM, ROM, Flash)
  1369. 0 = /dev/mtd0 First MTD (rw)
  1370. 1 = /dev/mtdr0 First MTD (ro)
  1371. ...
  1372. 30 = /dev/mtd15 16th MTD (rw)
  1373. 31 = /dev/mtdr15 16th MTD (ro)
  1374. 90 block Ninth IDE hard disk/CD-ROM interface
  1375. 0 = /dev/hdq Master: whole disk (or CD-ROM)
  1376. 64 = /dev/hdr Slave: whole disk (or CD-ROM)
  1377. Partitions are handled the same way as for the first
  1378. interface (see major number 3).
  1379. 91 char CAN-Bus devices
  1380. 0 = /dev/can0 First CAN-Bus controller
  1381. 1 = /dev/can1 Second CAN-Bus controller
  1382. ...
  1383. 91 block Tenth IDE hard disk/CD-ROM interface
  1384. 0 = /dev/hds Master: whole disk (or CD-ROM)
  1385. 64 = /dev/hdt Slave: whole disk (or CD-ROM)
  1386. Partitions are handled the same way as for the first
  1387. interface (see major number 3).
  1388. 92 char Reserved for ith Kommunikationstechnik MIC ISDN card
  1389. 92 block PPDD encrypted disk driver
  1390. 0 = /dev/ppdd0 First encrypted disk
  1391. 1 = /dev/ppdd1 Second encrypted disk
  1392. ...
  1393. Partitions are handled in the same way as for IDE
  1394. disks (see major number 3) except that the limit on
  1395. partitions is 15.
  1396. 93 char IBM Smart Capture Card frame grabber {2.6}
  1397. 0 = /dev/iscc0 First Smart Capture Card
  1398. 1 = /dev/iscc1 Second Smart Capture Card
  1399. ...
  1400. 128 = /dev/isccctl0 First Smart Capture Card control
  1401. 129 = /dev/isccctl1 Second Smart Capture Card control
  1402. ...
  1403. 93 block NAND Flash Translation Layer filesystem
  1404. 0 = /dev/nftla First NFTL layer
  1405. 16 = /dev/nftlb Second NFTL layer
  1406. ...
  1407. 240 = /dev/nftlp 16th NTFL layer
  1408. 94 char miroVIDEO DC10/30 capture/playback device {2.6}
  1409. 0 = /dev/dcxx0 First capture card
  1410. 1 = /dev/dcxx1 Second capture card
  1411. ...
  1412. 94 block IBM S/390 DASD block storage
  1413. 0 = /dev/dasda First DASD device, major
  1414. 1 = /dev/dasda1 First DASD device, block 1
  1415. 2 = /dev/dasda2 First DASD device, block 2
  1416. 3 = /dev/dasda3 First DASD device, block 3
  1417. 4 = /dev/dasdb Second DASD device, major
  1418. 5 = /dev/dasdb1 Second DASD device, block 1
  1419. 6 = /dev/dasdb2 Second DASD device, block 2
  1420. 7 = /dev/dasdb3 Second DASD device, block 3
  1421. ...
  1422. 95 char IP filter
  1423. 0 = /dev/ipl Filter control device/log file
  1424. 1 = /dev/ipnat NAT control device/log file
  1425. 2 = /dev/ipstate State information log file
  1426. 3 = /dev/ipauth Authentication control device/log file
  1427. ...
  1428. 96 char Parallel port ATAPI tape devices
  1429. 0 = /dev/pt0 First parallel port ATAPI tape
  1430. 1 = /dev/pt1 Second parallel port ATAPI tape
  1431. ...
  1432. 128 = /dev/npt0 First p.p. ATAPI tape, no rewind
  1433. 129 = /dev/npt1 Second p.p. ATAPI tape, no rewind
  1434. ...
  1435. 96 block Inverse NAND Flash Translation Layer
  1436. 0 = /dev/inftla First INFTL layer
  1437. 16 = /dev/inftlb Second INFTL layer
  1438. ...
  1439. 240 = /dev/inftlp 16th INTFL layer
  1440. 97 char Parallel port generic ATAPI interface
  1441. 0 = /dev/pg0 First parallel port ATAPI device
  1442. 1 = /dev/pg1 Second parallel port ATAPI device
  1443. 2 = /dev/pg2 Third parallel port ATAPI device
  1444. 3 = /dev/pg3 Fourth parallel port ATAPI device
  1445. These devices support the same API as the generic SCSI
  1446. devices.
  1447. 98 char Control and Measurement Device (comedi)
  1448. 0 = /dev/comedi0 First comedi device
  1449. 1 = /dev/comedi1 Second comedi device
  1450. ...
  1451. See http://stm.lbl.gov/comedi or http://www.llp.fu-berlin.de/.
  1452. 98 block User-mode virtual block device
  1453. 0 = /dev/ubda First user-mode block device
  1454. 16 = /dev/udbb Second user-mode block device
  1455. ...
  1456. Partitions are handled in the same way as for IDE
  1457. disks (see major number 3) except that the limit on
  1458. partitions is 15.
  1459. This device is used by the user-mode virtual kernel port.
  1460. 99 char Raw parallel ports
  1461. 0 = /dev/parport0 First parallel port
  1462. 1 = /dev/parport1 Second parallel port
  1463. ...
  1464. 99 block JavaStation flash disk
  1465. 0 = /dev/jsfd JavaStation flash disk
  1466. 100 char Telephony for Linux
  1467. 0 = /dev/phone0 First telephony device
  1468. 1 = /dev/phone1 Second telephony device
  1469. ...
  1470. 101 char Motorola DSP 56xxx board
  1471. 0 = /dev/mdspstat Status information
  1472. 1 = /dev/mdsp1 First DSP board I/O controls
  1473. ...
  1474. 16 = /dev/mdsp16 16th DSP board I/O controls
  1475. 101 block AMI HyperDisk RAID controller
  1476. 0 = /dev/amiraid/ar0 First array whole disk
  1477. 16 = /dev/amiraid/ar1 Second array whole disk
  1478. ...
  1479. 240 = /dev/amiraid/ar15 16th array whole disk
  1480. For each device, partitions are added as:
  1481. 0 = /dev/amiraid/ar? Whole disk
  1482. 1 = /dev/amiraid/ar?p1 First partition
  1483. 2 = /dev/amiraid/ar?p2 Second partition
  1484. ...
  1485. 15 = /dev/amiraid/ar?p15 15th partition
  1486. 102 char Philips SAA5249 Teletext signal decoder {2.6}
  1487. 0 = /dev/tlk0 First Teletext decoder
  1488. 1 = /dev/tlk1 Second Teletext decoder
  1489. 2 = /dev/tlk2 Third Teletext decoder
  1490. 3 = /dev/tlk3 Fourth Teletext decoder
  1491. 102 block Compressed block device
  1492. 0 = /dev/cbd/a First compressed block device, whole device
  1493. 16 = /dev/cbd/b Second compressed block device, whole device
  1494. ...
  1495. 240 = /dev/cbd/p 16th compressed block device, whole device
  1496. Partitions are handled in the same way as for IDE
  1497. disks (see major number 3) except that the limit on
  1498. partitions is 15.
  1499. 103 char Arla network file system
  1500. 0 = /dev/nnpfs0 First NNPFS device
  1501. 1 = /dev/nnpfs1 Second NNPFS device
  1502. Arla is a free clone of the Andrew File System, AFS.
  1503. The NNPFS device gives user mode filesystem
  1504. implementations a kernel presence for caching and easy
  1505. mounting. For more information about the project,
  1506. write to <arla-drinkers@stacken.kth.se> or see
  1507. http://www.stacken.kth.se/project/arla/
  1508. 103 block Audit device
  1509. 0 = /dev/audit Audit device
  1510. 104 char Flash BIOS support
  1511. 104 block Compaq Next Generation Drive Array, first controller
  1512. 0 = /dev/cciss/c0d0 First logical drive, whole disk
  1513. 16 = /dev/cciss/c0d1 Second logical drive, whole disk
  1514. ...
  1515. 240 = /dev/cciss/c0d15 16th logical drive, whole disk
  1516. Partitions are handled the same way as for Mylex
  1517. DAC960 (see major number 48) except that the limit on
  1518. partitions is 15.
  1519. 105 char Comtrol VS-1000 serial controller
  1520. 0 = /dev/ttyV0 First VS-1000 port
  1521. 1 = /dev/ttyV1 Second VS-1000 port
  1522. ...
  1523. 105 block Compaq Next Generation Drive Array, second controller
  1524. 0 = /dev/cciss/c1d0 First logical drive, whole disk
  1525. 16 = /dev/cciss/c1d1 Second logical drive, whole disk
  1526. ...
  1527. 240 = /dev/cciss/c1d15 16th logical drive, whole disk
  1528. Partitions are handled the same way as for Mylex
  1529. DAC960 (see major number 48) except that the limit on
  1530. partitions is 15.
  1531. 106 char Comtrol VS-1000 serial controller - alternate devices
  1532. 0 = /dev/cuv0 First VS-1000 port
  1533. 1 = /dev/cuv1 Second VS-1000 port
  1534. ...
  1535. 106 block Compaq Next Generation Drive Array, third controller
  1536. 0 = /dev/cciss/c2d0 First logical drive, whole disk
  1537. 16 = /dev/cciss/c2d1 Second logical drive, whole disk
  1538. ...
  1539. 240 = /dev/cciss/c2d15 16th logical drive, whole disk
  1540. Partitions are handled the same way as for Mylex
  1541. DAC960 (see major number 48) except that the limit on
  1542. partitions is 15.
  1543. 107 char 3Dfx Voodoo Graphics device
  1544. 0 = /dev/3dfx Primary 3Dfx graphics device
  1545. 107 block Compaq Next Generation Drive Array, fourth controller
  1546. 0 = /dev/cciss/c3d0 First logical drive, whole disk
  1547. 16 = /dev/cciss/c3d1 Second logical drive, whole disk
  1548. ...
  1549. 240 = /dev/cciss/c3d15 16th logical drive, whole disk
  1550. Partitions are handled the same way as for Mylex
  1551. DAC960 (see major number 48) except that the limit on
  1552. partitions is 15.
  1553. 108 char Device independent PPP interface
  1554. 0 = /dev/ppp Device independent PPP interface
  1555. 108 block Compaq Next Generation Drive Array, fifth controller
  1556. 0 = /dev/cciss/c4d0 First logical drive, whole disk
  1557. 16 = /dev/cciss/c4d1 Second logical drive, whole disk
  1558. ...
  1559. 240 = /dev/cciss/c4d15 16th logical drive, whole disk
  1560. Partitions are handled the same way as for Mylex
  1561. DAC960 (see major number 48) except that the limit on
  1562. partitions is 15.
  1563. 109 char Reserved for logical volume manager
  1564. 109 block Compaq Next Generation Drive Array, sixth controller
  1565. 0 = /dev/cciss/c5d0 First logical drive, whole disk
  1566. 16 = /dev/cciss/c5d1 Second logical drive, whole disk
  1567. ...
  1568. 240 = /dev/cciss/c5d15 16th logical drive, whole disk
  1569. Partitions are handled the same way as for Mylex
  1570. DAC960 (see major number 48) except that the limit on
  1571. partitions is 15.
  1572. 110 char miroMEDIA Surround board
  1573. 0 = /dev/srnd0 First miroMEDIA Surround board
  1574. 1 = /dev/srnd1 Second miroMEDIA Surround board
  1575. ...
  1576. 110 block Compaq Next Generation Drive Array, seventh controller
  1577. 0 = /dev/cciss/c6d0 First logical drive, whole disk
  1578. 16 = /dev/cciss/c6d1 Second logical drive, whole disk
  1579. ...
  1580. 240 = /dev/cciss/c6d15 16th logical drive, whole disk
  1581. Partitions are handled the same way as for Mylex
  1582. DAC960 (see major number 48) except that the limit on
  1583. partitions is 15.
  1584. 111 char Philips SAA7146-based audio/video card {2.6}
  1585. 0 = /dev/av0 First A/V card
  1586. 1 = /dev/av1 Second A/V card
  1587. ...
  1588. 111 block Compaq Next Generation Drive Array, eighth controller
  1589. 0 = /dev/cciss/c7d0 First logical drive, whole disk
  1590. 16 = /dev/cciss/c7d1 Second logical drive, whole disk
  1591. ...
  1592. 240 = /dev/cciss/c7d15 16th logical drive, whole disk
  1593. Partitions are handled the same way as for Mylex
  1594. DAC960 (see major number 48) except that the limit on
  1595. partitions is 15.
  1596. 112 char ISI serial card
  1597. 0 = /dev/ttyM0 First ISI port
  1598. 1 = /dev/ttyM1 Second ISI port
  1599. ...
  1600. There is currently a device-naming conflict between
  1601. these and PAM multimodems (major 78).
  1602. 112 block IBM iSeries virtual disk
  1603. 0 = /dev/iseries/vda First virtual disk, whole disk
  1604. 8 = /dev/iseries/vdb Second virtual disk, whole disk
  1605. ...
  1606. 200 = /dev/iseries/vdz 26th virtual disk, whole disk
  1607. 208 = /dev/iseries/vdaa 27th virtual disk, whole disk
  1608. ...
  1609. 248 = /dev/iseries/vdaf 32nd virtual disk, whole disk
  1610. Partitions are handled in the same way as for IDE
  1611. disks (see major number 3) except that the limit on
  1612. partitions is 7.
  1613. 113 char ISI serial card - alternate devices
  1614. 0 = /dev/cum0 Callout device for ttyM0
  1615. 1 = /dev/cum1 Callout device for ttyM1
  1616. ...
  1617. 113 block IBM iSeries virtual CD-ROM
  1618. 0 = /dev/iseries/vcda First virtual CD-ROM
  1619. 1 = /dev/iseries/vcdb Second virtual CD-ROM
  1620. ...
  1621. 114 char Picture Elements ISE board
  1622. 0 = /dev/ise0 First ISE board
  1623. 1 = /dev/ise1 Second ISE board
  1624. ...
  1625. 128 = /dev/isex0 Control node for first ISE board
  1626. 129 = /dev/isex1 Control node for second ISE board
  1627. ...
  1628. The ISE board is an embedded computer, optimized for
  1629. image processing. The /dev/iseN nodes are the general
  1630. I/O access to the board, the /dev/isex0 nodes command
  1631. nodes used to control the board.
  1632. 114 block IDE BIOS powered software RAID interfaces such as the
  1633. Promise Fastrak
  1634. 0 = /dev/ataraid/d0
  1635. 1 = /dev/ataraid/d0p1
  1636. 2 = /dev/ataraid/d0p2
  1637. ...
  1638. 16 = /dev/ataraid/d1
  1639. 17 = /dev/ataraid/d1p1
  1640. 18 = /dev/ataraid/d1p2
  1641. ...
  1642. 255 = /dev/ataraid/d15p15
  1643. Partitions are handled in the same way as for IDE
  1644. disks (see major number 3) except that the limit on
  1645. partitions is 15.
  1646. 115 char TI link cable devices (115 was formerly the console driver speaker)
  1647. 0 = /dev/tipar0 Parallel cable on first parallel port
  1648. ...
  1649. 7 = /dev/tipar7 Parallel cable on seventh parallel port
  1650. 8 = /dev/tiser0 Serial cable on first serial port
  1651. ...
  1652. 15 = /dev/tiser7 Serial cable on seventh serial port
  1653. 16 = /dev/tiusb0 First USB cable
  1654. ...
  1655. 47 = /dev/tiusb31 32nd USB cable
  1656. 115 block NetWare (NWFS) Devices (0-255)
  1657. The NWFS (NetWare) devices are used to present a
  1658. collection of NetWare Mirror Groups or NetWare
  1659. Partitions as a logical storage segment for
  1660. use in mounting NetWare volumes. A maximum of
  1661. 256 NetWare volumes can be supported in a single
  1662. machine.
  1663. http://www.kernel.org/pub/linux/kernel/people/jmerkey/nwfs
  1664. 0 = /dev/nwfs/v0 First NetWare (NWFS) Logical Volume
  1665. 1 = /dev/nwfs/v1 Second NetWare (NWFS) Logical Volume
  1666. 2 = /dev/nwfs/v2 Third NetWare (NWFS) Logical Volume
  1667. ...
  1668. 255 = /dev/nwfs/v255 Last NetWare (NWFS) Logical Volume
  1669. 116 char Advanced Linux Sound Driver (ALSA)
  1670. 116 block MicroMemory battery backed RAM adapter (NVRAM)
  1671. Supports 16 boards, 15 partitions each.
  1672. Requested by neilb at cse.unsw.edu.au.
  1673. 0 = /dev/umem/d0 Whole of first board
  1674. 1 = /dev/umem/d0p1 First partition of first board
  1675. 2 = /dev/umem/d0p2 Second partition of first board
  1676. 15 = /dev/umem/d0p15 15th partition of first board
  1677. 16 = /dev/umem/d1 Whole of second board
  1678. 17 = /dev/umem/d1p1 First partition of second board
  1679. ...
  1680. 255= /dev/umem/d15p15 15th partition of 16th board.
  1681. 117 char COSA/SRP synchronous serial card
  1682. 0 = /dev/cosa0c0 1st board, 1st channel
  1683. 1 = /dev/cosa0c1 1st board, 2nd channel
  1684. ...
  1685. 16 = /dev/cosa1c0 2nd board, 1st channel
  1686. 17 = /dev/cosa1c1 2nd board, 2nd channel
  1687. ...
  1688. 117 block Enterprise Volume Management System (EVMS)
  1689. The EVMS driver uses a layered, plug-in model to provide
  1690. unparalleled flexibility and extensibility in managing
  1691. storage. This allows for easy expansion or customization
  1692. of various levels of volume management. Requested by
  1693. Mark Peloquin (peloquin at us.ibm.com).
  1694. Note: EVMS populates and manages all the devnodes in
  1695. /dev/evms.
  1696. http://sf.net/projects/evms
  1697. 0 = /dev/evms/block_device EVMS block device
  1698. 1 = /dev/evms/legacyname1 First EVMS legacy device
  1699. 2 = /dev/evms/legacyname2 Second EVMS legacy device
  1700. ...
  1701. Both ranges can grow (down or up) until they meet.
  1702. ...
  1703. 254 = /dev/evms/EVMSname2 Second EVMS native device
  1704. 255 = /dev/evms/EVMSname1 First EVMS native device
  1705. Note: legacyname(s) are derived from the normal legacy
  1706. device names. For example, /dev/hda5 would become
  1707. /dev/evms/hda5.
  1708. 118 char IBM Cryptographic Accelerator
  1709. 0 = /dev/ica Virtual interface to all IBM Crypto Accelerators
  1710. 1 = /dev/ica0 IBMCA Device 0
  1711. 2 = /dev/ica1 IBMCA Device 1
  1712. ...
  1713. 119 char VMware virtual network control
  1714. 0 = /dev/vmnet0 1st virtual network
  1715. 1 = /dev/vmnet1 2nd virtual network
  1716. ...
  1717. 120-127 char LOCAL/EXPERIMENTAL USE
  1718. 120-127 block LOCAL/EXPERIMENTAL USE
  1719. Allocated for local/experimental use. For devices not
  1720. assigned official numbers, these ranges should be
  1721. used in order to avoid conflicting with future assignments.
  1722. 128-135 char Unix98 PTY masters
  1723. These devices should not have corresponding device
  1724. nodes; instead they should be accessed through the
  1725. /dev/ptmx cloning interface.
  1726. 128 block SCSI disk devices (128-143)
  1727. 0 = /dev/sddy 129th SCSI disk whole disk
  1728. 16 = /dev/sddz 130th SCSI disk whole disk
  1729. 32 = /dev/sdea 131th SCSI disk whole disk
  1730. ...
  1731. 240 = /dev/sden 144th SCSI disk whole disk
  1732. Partitions are handled in the same way as for IDE
  1733. disks (see major number 3) except that the limit on
  1734. partitions is 15.
  1735. 129 block SCSI disk devices (144-159)
  1736. 0 = /dev/sdeo 145th SCSI disk whole disk
  1737. 16 = /dev/sdep 146th SCSI disk whole disk
  1738. 32 = /dev/sdeq 147th SCSI disk whole disk
  1739. ...
  1740. 240 = /dev/sdfd 160th SCSI disk whole disk
  1741. Partitions are handled in the same way as for IDE
  1742. disks (see major number 3) except that the limit on
  1743. partitions is 15.
  1744. 130 char (Misc devices)
  1745. 130 block SCSI disk devices (160-175)
  1746. 0 = /dev/sdfe 161st SCSI disk whole disk
  1747. 16 = /dev/sdff 162nd SCSI disk whole disk
  1748. 32 = /dev/sdfg 163rd SCSI disk whole disk
  1749. ...
  1750. 240 = /dev/sdft 176th SCSI disk whole disk
  1751. Partitions are handled in the same way as for IDE
  1752. disks (see major number 3) except that the limit on
  1753. partitions is 15.
  1754. 131 block SCSI disk devices (176-191)
  1755. 0 = /dev/sdfu 177th SCSI disk whole disk
  1756. 16 = /dev/sdfv 178th SCSI disk whole disk
  1757. 32 = /dev/sdfw 179th SCSI disk whole disk
  1758. ...
  1759. 240 = /dev/sdgj 192nd SCSI disk whole disk
  1760. Partitions are handled in the same way as for IDE
  1761. disks (see major number 3) except that the limit on
  1762. partitions is 15.
  1763. 132 block SCSI disk devices (192-207)
  1764. 0 = /dev/sdgk 193rd SCSI disk whole disk
  1765. 16 = /dev/sdgl 194th SCSI disk whole disk
  1766. 32 = /dev/sdgm 195th SCSI disk whole disk
  1767. ...
  1768. 240 = /dev/sdgz 208th SCSI disk whole disk
  1769. Partitions are handled in the same way as for IDE
  1770. disks (see major number 3) except that the limit on
  1771. partitions is 15.
  1772. 133 block SCSI disk devices (208-223)
  1773. 0 = /dev/sdha 209th SCSI disk whole disk
  1774. 16 = /dev/sdhb 210th SCSI disk whole disk
  1775. 32 = /dev/sdhc 211th SCSI disk whole disk
  1776. ...
  1777. 240 = /dev/sdhp 224th SCSI disk whole disk
  1778. Partitions are handled in the same way as for IDE
  1779. disks (see major number 3) except that the limit on
  1780. partitions is 15.
  1781. 134 block SCSI disk devices (224-239)
  1782. 0 = /dev/sdhq 225th SCSI disk whole disk
  1783. 16 = /dev/sdhr 226th SCSI disk whole disk
  1784. 32 = /dev/sdhs 227th SCSI disk whole disk
  1785. ...
  1786. 240 = /dev/sdif 240th SCSI disk whole disk
  1787. Partitions are handled in the same way as for IDE
  1788. disks (see major number 3) except that the limit on
  1789. partitions is 15.
  1790. 135 block SCSI disk devices (240-255)
  1791. 0 = /dev/sdig 241st SCSI disk whole disk
  1792. 16 = /dev/sdih 242nd SCSI disk whole disk
  1793. 32 = /dev/sdih 243rd SCSI disk whole disk
  1794. ...
  1795. 240 = /dev/sdiv 256th SCSI disk whole disk
  1796. Partitions are handled in the same way as for IDE
  1797. disks (see major number 3) except that the limit on
  1798. partitions is 15.
  1799. 136-143 char Unix98 PTY slaves
  1800. 0 = /dev/pts/0 First Unix98 pseudo-TTY
  1801. 1 = /dev/pts/1 Second Unix98 pesudo-TTY
  1802. ...
  1803. These device nodes are automatically generated with
  1804. the proper permissions and modes by mounting the
  1805. devpts filesystem onto /dev/pts with the appropriate
  1806. mount options (distribution dependent, however, on
  1807. *most* distributions the appropriate options are
  1808. "mode=0620,gid=<gid of the "tty" group>".)
  1809. 136 block Mylex DAC960 PCI RAID controller; ninth controller
  1810. 0 = /dev/rd/c8d0 First disk, whole disk
  1811. 8 = /dev/rd/c8d1 Second disk, whole disk
  1812. ...
  1813. 248 = /dev/rd/c8d31 32nd disk, whole disk
  1814. Partitions are handled as for major 48.
  1815. 137 block Mylex DAC960 PCI RAID controller; tenth controller
  1816. 0 = /dev/rd/c9d0 First disk, whole disk
  1817. 8 = /dev/rd/c9d1 Second disk, whole disk
  1818. ...
  1819. 248 = /dev/rd/c9d31 32nd disk, whole disk
  1820. Partitions are handled as for major 48.
  1821. 138 block Mylex DAC960 PCI RAID controller; eleventh controller
  1822. 0 = /dev/rd/c10d0 First disk, whole disk
  1823. 8 = /dev/rd/c10d1 Second disk, whole disk
  1824. ...
  1825. 248 = /dev/rd/c10d31 32nd disk, whole disk
  1826. Partitions are handled as for major 48.
  1827. 139 block Mylex DAC960 PCI RAID controller; twelfth controller
  1828. 0 = /dev/rd/c11d0 First disk, whole disk
  1829. 8 = /dev/rd/c11d1 Second disk, whole disk
  1830. ...
  1831. 248 = /dev/rd/c11d31 32nd disk, whole disk
  1832. Partitions are handled as for major 48.
  1833. 140 block Mylex DAC960 PCI RAID controller; thirteenth controller
  1834. 0 = /dev/rd/c12d0 First disk, whole disk
  1835. 8 = /dev/rd/c12d1 Second disk, whole disk
  1836. ...
  1837. 248 = /dev/rd/c12d31 32nd disk, whole disk
  1838. Partitions are handled as for major 48.
  1839. 141 block Mylex DAC960 PCI RAID controller; fourteenth controller
  1840. 0 = /dev/rd/c13d0 First disk, whole disk
  1841. 8 = /dev/rd/c13d1 Second disk, whole disk
  1842. ...
  1843. 248 = /dev/rd/c13d31 32nd disk, whole disk
  1844. Partitions are handled as for major 48.
  1845. 142 block Mylex DAC960 PCI RAID controller; fifteenth controller
  1846. 0 = /dev/rd/c14d0 First disk, whole disk
  1847. 8 = /dev/rd/c14d1 Second disk, whole disk
  1848. ...
  1849. 248 = /dev/rd/c14d31 32nd disk, whole disk
  1850. Partitions are handled as for major 48.
  1851. 143 block Mylex DAC960 PCI RAID controller; sixteenth controller
  1852. 0 = /dev/rd/c15d0 First disk, whole disk
  1853. 8 = /dev/rd/c15d1 Second disk, whole disk
  1854. ...
  1855. 248 = /dev/rd/c15d31 32nd disk, whole disk
  1856. Partitions are handled as for major 48.
  1857. 144 char Encapsulated PPP
  1858. 0 = /dev/pppox0 First PPP over Ethernet
  1859. ...
  1860. 63 = /dev/pppox63 64th PPP over Ethernet
  1861. This is primarily used for ADSL.
  1862. The SST 5136-DN DeviceNet interface driver has been
  1863. relocated to major 183 due to an unfortunate conflict.
  1864. 144 block Expansion Area #1 for more non-device (e.g. NFS) mounts
  1865. 0 = mounted device 256
  1866. 255 = mounted device 511
  1867. 145 char SAM9407-based soundcard
  1868. 0 = /dev/sam0_mixer
  1869. 1 = /dev/sam0_sequencer
  1870. 2 = /dev/sam0_midi00
  1871. 3 = /dev/sam0_dsp
  1872. 4 = /dev/sam0_audio
  1873. 6 = /dev/sam0_sndstat
  1874. 18 = /dev/sam0_midi01
  1875. 34 = /dev/sam0_midi02
  1876. 50 = /dev/sam0_midi03
  1877. 64 = /dev/sam1_mixer
  1878. ...
  1879. 128 = /dev/sam2_mixer
  1880. ...
  1881. 192 = /dev/sam3_mixer
  1882. ...
  1883. Device functions match OSS, but offer a number of
  1884. addons, which are sam9407 specific. OSS can be
  1885. operated simultaneously, taking care of the codec.
  1886. 145 block Expansion Area #2 for more non-device (e.g. NFS) mounts
  1887. 0 = mounted device 512
  1888. 255 = mounted device 767
  1889. 146 char SYSTRAM SCRAMNet mirrored-memory network
  1890. 0 = /dev/scramnet0 First SCRAMNet device
  1891. 1 = /dev/scramnet1 Second SCRAMNet device
  1892. ...
  1893. 146 block Expansion Area #3 for more non-device (e.g. NFS) mounts
  1894. 0 = mounted device 768
  1895. 255 = mounted device 1023
  1896. 147 char Aureal Semiconductor Vortex Audio device
  1897. 0 = /dev/aureal0 First Aureal Vortex
  1898. 1 = /dev/aureal1 Second Aureal Vortex
  1899. ...
  1900. 147 block Distributed Replicated Block Device (DRBD)
  1901. 0 = /dev/drbd0 First DRBD device
  1902. 1 = /dev/drbd1 Second DRBD device
  1903. ...
  1904. 148 char Technology Concepts serial card
  1905. 0 = /dev/ttyT0 First TCL port
  1906. 1 = /dev/ttyT1 Second TCL port
  1907. ...
  1908. 149 char Technology Concepts serial card - alternate devices
  1909. 0 = /dev/cut0 Callout device for ttyT0
  1910. 1 = /dev/cut0 Callout device for ttyT1
  1911. ...
  1912. 150 char Real-Time Linux FIFOs
  1913. 0 = /dev/rtf0 First RTLinux FIFO
  1914. 1 = /dev/rtf1 Second RTLinux FIFO
  1915. ...
  1916. 151 char DPT I2O SmartRaid V controller
  1917. 0 = /dev/dpti0 First DPT I2O adapter
  1918. 1 = /dev/dpti1 Second DPT I2O adapter
  1919. ...
  1920. 152 char EtherDrive Control Device
  1921. 0 = /dev/etherd/ctl Connect/Disconnect an EtherDrive
  1922. 1 = /dev/etherd/err Monitor errors
  1923. 2 = /dev/etherd/raw Raw AoE packet monitor
  1924. 152 block EtherDrive Block Devices
  1925. 0 = /dev/etherd/0 EtherDrive 0
  1926. ...
  1927. 255 = /dev/etherd/255 EtherDrive 255
  1928. 153 char SPI Bus Interface (sometimes referred to as MicroWire)
  1929. 0 = /dev/spi0 First SPI device on the bus
  1930. 1 = /dev/spi1 Second SPI device on the bus
  1931. ...
  1932. 15 = /dev/spi15 Sixteenth SPI device on the bus
  1933. 153 block Enhanced Metadisk RAID (EMD) storage units
  1934. 0 = /dev/emd/0 First unit
  1935. 1 = /dev/emd/0p1 Partition 1 on First unit
  1936. 2 = /dev/emd/0p2 Partition 2 on First unit
  1937. ...
  1938. 15 = /dev/emd/0p15 Partition 15 on First unit
  1939. 16 = /dev/emd/1 Second unit
  1940. 32 = /dev/emd/2 Third unit
  1941. ...
  1942. 240 = /dev/emd/15 Sixteenth unit
  1943. Partitions are handled in the same way as for IDE
  1944. disks (see major number 3) except that the limit on
  1945. partitions is 15.
  1946. 154 char Specialix RIO serial card
  1947. 0 = /dev/ttySR0 First RIO port
  1948. ...
  1949. 255 = /dev/ttySR255 256th RIO port
  1950. 155 char Specialix RIO serial card - alternate devices
  1951. 0 = /dev/cusr0 Callout device for ttySR0
  1952. ...
  1953. 255 = /dev/cusr255 Callout device for ttySR255
  1954. 156 char Specialix RIO serial card
  1955. 0 = /dev/ttySR256 257th RIO port
  1956. ...
  1957. 255 = /dev/ttySR511 512th RIO port
  1958. 157 char Specialix RIO serial card - alternate devices
  1959. 0 = /dev/cusr256 Callout device for ttySR256
  1960. ...
  1961. 255 = /dev/cusr511 Callout device for ttySR511
  1962. 158 char Dialogic GammaLink fax driver
  1963. 0 = /dev/gfax0 GammaLink channel 0
  1964. 1 = /dev/gfax1 GammaLink channel 1
  1965. ...
  1966. 159 char RESERVED
  1967. 159 block RESERVED
  1968. 160 char General Purpose Instrument Bus (GPIB)
  1969. 0 = /dev/gpib0 First GPIB bus
  1970. 1 = /dev/gpib1 Second GPIB bus
  1971. ...
  1972. 160 block Carmel 8-port SATA Disks on First Controller
  1973. 0 = /dev/carmel/0 SATA disk 0 whole disk
  1974. 1 = /dev/carmel/0p1 SATA disk 0 partition 1
  1975. ...
  1976. 31 = /dev/carmel/0p31 SATA disk 0 partition 31
  1977. 32 = /dev/carmel/1 SATA disk 1 whole disk
  1978. 64 = /dev/carmel/2 SATA disk 2 whole disk
  1979. ...
  1980. 224 = /dev/carmel/7 SATA disk 7 whole disk
  1981. Partitions are handled in the same way as for IDE
  1982. disks (see major number 3) except that the limit on
  1983. partitions is 31.
  1984. 161 char IrCOMM devices (IrDA serial/parallel emulation)
  1985. 0 = /dev/ircomm0 First IrCOMM device
  1986. 1 = /dev/ircomm1 Second IrCOMM device
  1987. ...
  1988. 16 = /dev/irlpt0 First IrLPT device
  1989. 17 = /dev/irlpt1 Second IrLPT device
  1990. ...
  1991. 161 block Carmel 8-port SATA Disks on Second Controller
  1992. 0 = /dev/carmel/8 SATA disk 8 whole disk
  1993. 1 = /dev/carmel/8p1 SATA disk 8 partition 1
  1994. ...
  1995. 31 = /dev/carmel/8p31 SATA disk 8 partition 31
  1996. 32 = /dev/carmel/9 SATA disk 9 whole disk
  1997. 64 = /dev/carmel/10 SATA disk 10 whole disk
  1998. ...
  1999. 224 = /dev/carmel/15 SATA disk 15 whole disk
  2000. Partitions are handled in the same way as for IDE
  2001. disks (see major number 3) except that the limit on
  2002. partitions is 31.
  2003. 162 char Raw block device interface
  2004. 0 = /dev/rawctl Raw I/O control device
  2005. 1 = /dev/raw/raw1 First raw I/O device
  2006. 2 = /dev/raw/raw2 Second raw I/O device
  2007. ...
  2008. 163 char UNASSIGNED (was Radio Tech BIM-XXX-RS232 radio modem - see 51)
  2009. 164 char Chase Research AT/PCI-Fast serial card
  2010. 0 = /dev/ttyCH0 AT/PCI-Fast board 0, port 0
  2011. ...
  2012. 15 = /dev/ttyCH15 AT/PCI-Fast board 0, port 15
  2013. 16 = /dev/ttyCH16 AT/PCI-Fast board 1, port 0
  2014. ...
  2015. 31 = /dev/ttyCH31 AT/PCI-Fast board 1, port 15
  2016. 32 = /dev/ttyCH32 AT/PCI-Fast board 2, port 0
  2017. ...
  2018. 47 = /dev/ttyCH47 AT/PCI-Fast board 2, port 15
  2019. 48 = /dev/ttyCH48 AT/PCI-Fast board 3, port 0
  2020. ...
  2021. 63 = /dev/ttyCH63 AT/PCI-Fast board 3, port 15
  2022. 165 char Chase Research AT/PCI-Fast serial card - alternate devices
  2023. 0 = /dev/cuch0 Callout device for ttyCH0
  2024. ...
  2025. 63 = /dev/cuch63 Callout device for ttyCH63
  2026. 166 char ACM USB modems
  2027. 0 = /dev/ttyACM0 First ACM modem
  2028. 1 = /dev/ttyACM1 Second ACM modem
  2029. ...
  2030. 167 char ACM USB modems - alternate devices
  2031. 0 = /dev/cuacm0 Callout device for ttyACM0
  2032. 1 = /dev/cuacm1 Callout device for ttyACM1
  2033. ...
  2034. 168 char Eracom CSA7000 PCI encryption adaptor
  2035. 0 = /dev/ecsa0 First CSA7000
  2036. 1 = /dev/ecsa1 Second CSA7000
  2037. ...
  2038. 169 char Eracom CSA8000 PCI encryption adaptor
  2039. 0 = /dev/ecsa8-0 First CSA8000
  2040. 1 = /dev/ecsa8-1 Second CSA8000
  2041. ...
  2042. 170 char AMI MegaRAC remote access controller
  2043. 0 = /dev/megarac0 First MegaRAC card
  2044. 1 = /dev/megarac1 Second MegaRAC card
  2045. ...
  2046. 171 char Reserved for IEEE 1394 (Firewire)
  2047. 172 char Moxa Intellio serial card
  2048. 0 = /dev/ttyMX0 First Moxa port
  2049. 1 = /dev/ttyMX1 Second Moxa port
  2050. ...
  2051. 127 = /dev/ttyMX127 128th Moxa port
  2052. 128 = /dev/moxactl Moxa control port
  2053. 173 char Moxa Intellio serial card - alternate devices
  2054. 0 = /dev/cumx0 Callout device for ttyMX0
  2055. 1 = /dev/cumx1 Callout device for ttyMX1
  2056. ...
  2057. 127 = /dev/cumx127 Callout device for ttyMX127
  2058. 174 char SmartIO serial card
  2059. 0 = /dev/ttySI0 First SmartIO port
  2060. 1 = /dev/ttySI1 Second SmartIO port
  2061. ...
  2062. 175 char SmartIO serial card - alternate devices
  2063. 0 = /dev/cusi0 Callout device for ttySI0
  2064. 1 = /dev/cusi1 Callout device for ttySI1
  2065. ...
  2066. 176 char nCipher nFast PCI crypto accelerator
  2067. 0 = /dev/nfastpci0 First nFast PCI device
  2068. 1 = /dev/nfastpci1 First nFast PCI device
  2069. ...
  2070. 177 char TI PCILynx memory spaces
  2071. 0 = /dev/pcilynx/aux0 AUX space of first PCILynx card
  2072. ...
  2073. 15 = /dev/pcilynx/aux15 AUX space of 16th PCILynx card
  2074. 16 = /dev/pcilynx/rom0 ROM space of first PCILynx card
  2075. ...
  2076. 31 = /dev/pcilynx/rom15 ROM space of 16th PCILynx card
  2077. 32 = /dev/pcilynx/ram0 RAM space of first PCILynx card
  2078. ...
  2079. 47 = /dev/pcilynx/ram15 RAM space of 16th PCILynx card
  2080. 178 char Giganet cLAN1xxx virtual interface adapter
  2081. 0 = /dev/clanvi0 First cLAN adapter
  2082. 1 = /dev/clanvi1 Second cLAN adapter
  2083. ...
  2084. 179 char CCube DVXChip-based PCI products
  2085. 0 = /dev/dvxirq0 First DVX device
  2086. 1 = /dev/dvxirq1 Second DVX device
  2087. ...
  2088. 180 char USB devices
  2089. 0 = /dev/usb/lp0 First USB printer
  2090. ...
  2091. 15 = /dev/usb/lp15 16th USB printer
  2092. 48 = /dev/usb/scanner0 First USB scanner
  2093. ...
  2094. 63 = /dev/usb/scanner15 16th USB scanner
  2095. 64 = /dev/usb/rio500 Diamond Rio 500
  2096. 65 = /dev/usb/usblcd USBLCD Interface (info@usblcd.de)
  2097. 66 = /dev/usb/cpad0 Synaptics cPad (mouse/LCD)
  2098. 96 = /dev/usb/hiddev0 1st USB HID device
  2099. ...
  2100. 111 = /dev/usb/hiddev15 16th USB HID device
  2101. 112 = /dev/usb/auer0 1st auerswald ISDN device
  2102. ...
  2103. 127 = /dev/usb/auer15 16th auerswald ISDN device
  2104. 128 = /dev/usb/brlvgr0 First Braille Voyager device
  2105. ...
  2106. 131 = /dev/usb/brlvgr3 Fourth Braille Voyager device
  2107. 132 = /dev/usb/idmouse ID Mouse (fingerprint scanner) device
  2108. 133 = /dev/usb/sisusbvga1 First SiSUSB VGA device
  2109. ...
  2110. 140 = /dev/usb/sisusbvga8 Eighth SISUSB VGA device
  2111. 144 = /dev/usb/lcd USB LCD device
  2112. 160 = /dev/usb/legousbtower0 1st USB Legotower device
  2113. ...
  2114. 175 = /dev/usb/legousbtower15 16th USB Legotower device
  2115. 240 = /dev/usb/dabusb0 First daubusb device
  2116. ...
  2117. 243 = /dev/usb/dabusb3 Fourth dabusb device
  2118. 180 block USB block devices
  2119. 0 = /dev/uba First USB block device
  2120. 8 = /dev/ubb Second USB block device
  2121. 16 = /dev/ubc Third USB block device
  2122. ...
  2123. 181 char Conrad Electronic parallel port radio clocks
  2124. 0 = /dev/pcfclock0 First Conrad radio clock
  2125. 1 = /dev/pcfclock1 Second Conrad radio clock
  2126. ...
  2127. 182 char Picture Elements THR2 binarizer
  2128. 0 = /dev/pethr0 First THR2 board
  2129. 1 = /dev/pethr1 Second THR2 board
  2130. ...
  2131. 183 char SST 5136-DN DeviceNet interface
  2132. 0 = /dev/ss5136dn0 First DeviceNet interface
  2133. 1 = /dev/ss5136dn1 Second DeviceNet interface
  2134. ...
  2135. This device used to be assigned to major number 144.
  2136. It had to be moved due to an unfortunate conflict.
  2137. 184 char Picture Elements' video simulator/sender
  2138. 0 = /dev/pevss0 First sender board
  2139. 1 = /dev/pevss1 Second sender board
  2140. ...
  2141. 185 char InterMezzo high availability file system
  2142. 0 = /dev/intermezzo0 First cache manager
  2143. 1 = /dev/intermezzo1 Second cache manager
  2144. ...
  2145. See http://www.inter-mezzo.org/ for more information.
  2146. 186 char Object-based storage control device
  2147. 0 = /dev/obd0 First obd control device
  2148. 1 = /dev/obd1 Second obd control device
  2149. ...
  2150. See ftp://ftp.lustre.org/pub/obd for code and information.
  2151. 187 char DESkey hardware encryption device
  2152. 0 = /dev/deskey0 First DES key
  2153. 1 = /dev/deskey1 Second DES key
  2154. ...
  2155. 188 char USB serial converters
  2156. 0 = /dev/ttyUSB0 First USB serial converter
  2157. 1 = /dev/ttyUSB1 Second USB serial converter
  2158. ...
  2159. 189 char USB serial converters - alternate devices
  2160. 0 = /dev/cuusb0 Callout device for ttyUSB0
  2161. 1 = /dev/cuusb1 Callout device for ttyUSB1
  2162. ...
  2163. 190 char Kansas City tracker/tuner card
  2164. 0 = /dev/kctt0 First KCT/T card
  2165. 1 = /dev/kctt1 Second KCT/T card
  2166. ...
  2167. 191 char Reserved for PCMCIA
  2168. 192 char Kernel profiling interface
  2169. 0 = /dev/profile Profiling control device
  2170. 1 = /dev/profile0 Profiling device for CPU 0
  2171. 2 = /dev/profile1 Profiling device for CPU 1
  2172. ...
  2173. 193 char Kernel event-tracing interface
  2174. 0 = /dev/trace Tracing control device
  2175. 1 = /dev/trace0 Tracing device for CPU 0
  2176. 2 = /dev/trace1 Tracing device for CPU 1
  2177. ...
  2178. 194 char linVideoStreams (LINVS)
  2179. 0 = /dev/mvideo/status0 Video compression status
  2180. 1 = /dev/mvideo/stream0 Video stream
  2181. 2 = /dev/mvideo/frame0 Single compressed frame
  2182. 3 = /dev/mvideo/rawframe0 Raw uncompressed frame
  2183. 4 = /dev/mvideo/codec0 Direct codec access
  2184. 5 = /dev/mvideo/video4linux0 Video4Linux compatibility
  2185. 16 = /dev/mvideo/status1 Second device
  2186. ...
  2187. 32 = /dev/mvideo/status2 Third device
  2188. ...
  2189. ...
  2190. 240 = /dev/mvideo/status15 16th device
  2191. ...
  2192. 195 char Nvidia graphics devices
  2193. 0 = /dev/nvidia0 First Nvidia card
  2194. 1 = /dev/nvidia1 Second Nvidia card
  2195. ...
  2196. 255 = /dev/nvidiactl Nvidia card control device
  2197. 196 char Tormenta T1 card
  2198. 0 = /dev/tor/0 Master control channel for all cards
  2199. 1 = /dev/tor/1 First DS0
  2200. 2 = /dev/tor/2 Second DS0
  2201. ...
  2202. 48 = /dev/tor/48 48th DS0
  2203. 49 = /dev/tor/49 First pseudo-channel
  2204. 50 = /dev/tor/50 Second pseudo-channel
  2205. ...
  2206. 197 char OpenTNF tracing facility
  2207. 0 = /dev/tnf/t0 Trace 0 data extraction
  2208. 1 = /dev/tnf/t1 Trace 1 data extraction
  2209. ...
  2210. 128 = /dev/tnf/status Tracing facility status
  2211. 130 = /dev/tnf/trace Tracing device
  2212. 198 char Total Impact TPMP2 quad coprocessor PCI card
  2213. 0 = /dev/tpmp2/0 First card
  2214. 1 = /dev/tpmp2/1 Second card
  2215. ...
  2216. 199 char Veritas volume manager (VxVM) volumes
  2217. 0 = /dev/vx/rdsk/*/* First volume
  2218. 1 = /dev/vx/rdsk/*/* Second volume
  2219. ...
  2220. 199 block Veritas volume manager (VxVM) volumes
  2221. 0 = /dev/vx/dsk/*/* First volume
  2222. 1 = /dev/vx/dsk/*/* Second volume
  2223. ...
  2224. The namespace in these directories is maintained by
  2225. the user space VxVM software.
  2226. 200 char Veritas VxVM configuration interface
  2227. 0 = /dev/vx/config Configuration access node
  2228. 1 = /dev/vx/trace Volume i/o trace access node
  2229. 2 = /dev/vx/iod Volume i/o daemon access node
  2230. 3 = /dev/vx/info Volume information access node
  2231. 4 = /dev/vx/task Volume tasks access node
  2232. 5 = /dev/vx/taskmon Volume tasks monitor daemon
  2233. 201 char Veritas VxVM dynamic multipathing driver
  2234. 0 = /dev/vx/rdmp/* First multipath device
  2235. 1 = /dev/vx/rdmp/* Second multipath device
  2236. ...
  2237. 201 block Veritas VxVM dynamic multipathing driver
  2238. 0 = /dev/vx/dmp/* First multipath device
  2239. 1 = /dev/vx/dmp/* Second multipath device
  2240. ...
  2241. The namespace in these directories is maintained by
  2242. the user space VxVM software.
  2243. 202 char CPU model-specific registers
  2244. 0 = /dev/cpu/0/msr MSRs on CPU 0
  2245. 1 = /dev/cpu/1/msr MSRs on CPU 1
  2246. ...
  2247. 202 block Xen Virtual Block Device
  2248. 0 = /dev/xvda First Xen VBD whole disk
  2249. 16 = /dev/xvdb Second Xen VBD whole disk
  2250. 32 = /dev/xvdc Third Xen VBD whole disk
  2251. ...
  2252. 240 = /dev/xvdp Sixteenth Xen VBD whole disk
  2253. Partitions are handled in the same way as for IDE
  2254. disks (see major number 3) except that the limit on
  2255. partitions is 15.
  2256. 203 char CPU CPUID information
  2257. 0 = /dev/cpu/0/cpuid CPUID on CPU 0
  2258. 1 = /dev/cpu/1/cpuid CPUID on CPU 1
  2259. ...
  2260. 204 char Low-density serial ports
  2261. 0 = /dev/ttyLU0 LinkUp Systems L72xx UART - port 0
  2262. 1 = /dev/ttyLU1 LinkUp Systems L72xx UART - port 1
  2263. 2 = /dev/ttyLU2 LinkUp Systems L72xx UART - port 2
  2264. 3 = /dev/ttyLU3 LinkUp Systems L72xx UART - port 3
  2265. 4 = /dev/ttyFB0 Intel Footbridge (ARM)
  2266. 5 = /dev/ttySA0 StrongARM builtin serial port 0
  2267. 6 = /dev/ttySA1 StrongARM builtin serial port 1
  2268. 7 = /dev/ttySA2 StrongARM builtin serial port 2
  2269. 8 = /dev/ttySC0 SCI serial port (SuperH) - port 0
  2270. 9 = /dev/ttySC1 SCI serial port (SuperH) - port 1
  2271. 10 = /dev/ttySC2 SCI serial port (SuperH) - port 2
  2272. 11 = /dev/ttySC3 SCI serial port (SuperH) - port 3
  2273. 12 = /dev/ttyFW0 Firmware console - port 0
  2274. 13 = /dev/ttyFW1 Firmware console - port 1
  2275. 14 = /dev/ttyFW2 Firmware console - port 2
  2276. 15 = /dev/ttyFW3 Firmware console - port 3
  2277. 16 = /dev/ttyAM0 ARM "AMBA" serial port 0
  2278. ...
  2279. 31 = /dev/ttyAM15 ARM "AMBA" serial port 15
  2280. 32 = /dev/ttyDB0 DataBooster serial port 0
  2281. ...
  2282. 39 = /dev/ttyDB7 DataBooster serial port 7
  2283. 40 = /dev/ttySG0 SGI Altix console port
  2284. 41 = /dev/ttySMX0 Motorola i.MX - port 0
  2285. 42 = /dev/ttySMX1 Motorola i.MX - port 1
  2286. 43 = /dev/ttySMX2 Motorola i.MX - port 2
  2287. 44 = /dev/ttyMM0 Marvell MPSC - port 0
  2288. 45 = /dev/ttyMM1 Marvell MPSC - port 1
  2289. 46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0
  2290. ...
  2291. 47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5
  2292. 50 = /dev/ttyIOC0 Altix serial card
  2293. ...
  2294. 81 = /dev/ttyIOC31 Altix serial card
  2295. 82 = /dev/ttyVR0 NEC VR4100 series SIU
  2296. 83 = /dev/ttyVR1 NEC VR4100 series DSIU
  2297. 84 = /dev/ttyIOC84 Altix ioc4 serial card
  2298. ...
  2299. 115 = /dev/ttyIOC115 Altix ioc4 serial card
  2300. 116 = /dev/ttySIOC0 Altix ioc3 serial card
  2301. ...
  2302. 147 = /dev/ttySIOC31 Altix ioc3 serial card
  2303. 148 = /dev/ttyPSC0 PPC PSC - port 0
  2304. ...
  2305. 153 = /dev/ttyPSC5 PPC PSC - port 5
  2306. 154 = /dev/ttyAT0 ATMEL serial port 0
  2307. ...
  2308. 169 = /dev/ttyAT15 ATMEL serial port 15
  2309. 170 = /dev/ttyNX0 Hilscher netX serial port 0
  2310. ...
  2311. 185 = /dev/ttyNX15 Hilscher netX serial port 15
  2312. 186 = /dev/ttyJ0 JTAG1 DCC protocol based serial port emulation
  2313. 187 = /dev/ttyUL0 Xilinx uartlite - port 0
  2314. ...
  2315. 190 = /dev/ttyUL3 Xilinx uartlite - port 3
  2316. 191 = /dev/xvc0 Xen virtual console - port 0
  2317. 205 char Low-density serial ports (alternate device)
  2318. 0 = /dev/culu0 Callout device for ttyLU0
  2319. 1 = /dev/culu1 Callout device for ttyLU1
  2320. 2 = /dev/culu2 Callout device for ttyLU2
  2321. 3 = /dev/culu3 Callout device for ttyLU3
  2322. 4 = /dev/cufb0 Callout device for ttyFB0
  2323. 5 = /dev/cusa0 Callout device for ttySA0
  2324. 6 = /dev/cusa1 Callout device for ttySA1
  2325. 7 = /dev/cusa2 Callout device for ttySA2
  2326. 8 = /dev/cusc0 Callout device for ttySC0
  2327. 9 = /dev/cusc1 Callout device for ttySC1
  2328. 10 = /dev/cusc2 Callout device for ttySC2
  2329. 11 = /dev/cusc3 Callout device for ttySC3
  2330. 12 = /dev/cufw0 Callout device for ttyFW0
  2331. 13 = /dev/cufw1 Callout device for ttyFW1
  2332. 14 = /dev/cufw2 Callout device for ttyFW2
  2333. 15 = /dev/cufw3 Callout device for ttyFW3
  2334. 16 = /dev/cuam0 Callout device for ttyAM0
  2335. ...
  2336. 31 = /dev/cuam15 Callout device for ttyAM15
  2337. 32 = /dev/cudb0 Callout device for ttyDB0
  2338. ...
  2339. 39 = /dev/cudb7 Callout device for ttyDB7
  2340. 40 = /dev/cusg0 Callout device for ttySG0
  2341. 41 = /dev/ttycusmx0 Callout device for ttySMX0
  2342. 42 = /dev/ttycusmx1 Callout device for ttySMX1
  2343. 43 = /dev/ttycusmx2 Callout device for ttySMX2
  2344. 46 = /dev/cucpm0 Callout device for ttyCPM0
  2345. ...
  2346. 49 = /dev/cucpm5 Callout device for ttyCPM5
  2347. 50 = /dev/cuioc40 Callout device for ttyIOC40
  2348. ...
  2349. 81 = /dev/cuioc431 Callout device for ttyIOC431
  2350. 82 = /dev/cuvr0 Callout device for ttyVR0
  2351. 83 = /dev/cuvr1 Callout device for ttyVR1
  2352. 206 char OnStream SC-x0 tape devices
  2353. 0 = /dev/osst0 First OnStream SCSI tape, mode 0
  2354. 1 = /dev/osst1 Second OnStream SCSI tape, mode 0
  2355. ...
  2356. 32 = /dev/osst0l First OnStream SCSI tape, mode 1
  2357. 33 = /dev/osst1l Second OnStream SCSI tape, mode 1
  2358. ...
  2359. 64 = /dev/osst0m First OnStream SCSI tape, mode 2
  2360. 65 = /dev/osst1m Second OnStream SCSI tape, mode 2
  2361. ...
  2362. 96 = /dev/osst0a First OnStream SCSI tape, mode 3
  2363. 97 = /dev/osst1a Second OnStream SCSI tape, mode 3
  2364. ...
  2365. 128 = /dev/nosst0 No rewind version of /dev/osst0
  2366. 129 = /dev/nosst1 No rewind version of /dev/osst1
  2367. ...
  2368. 160 = /dev/nosst0l No rewind version of /dev/osst0l
  2369. 161 = /dev/nosst1l No rewind version of /dev/osst1l
  2370. ...
  2371. 192 = /dev/nosst0m No rewind version of /dev/osst0m
  2372. 193 = /dev/nosst1m No rewind version of /dev/osst1m
  2373. ...
  2374. 224 = /dev/nosst0a No rewind version of /dev/osst0a
  2375. 225 = /dev/nosst1a No rewind version of /dev/osst1a
  2376. ...
  2377. The OnStream SC-x0 SCSI tapes do not support the
  2378. standard SCSI SASD command set and therefore need
  2379. their own driver "osst". Note that the IDE, USB (and
  2380. maybe ParPort) versions may be driven via ide-scsi or
  2381. usb-storage SCSI emulation and this osst device and
  2382. driver as well. The ADR-x0 drives are QIC-157
  2383. compliant and don't need osst.
  2384. 207 char Compaq ProLiant health feature indicate
  2385. 0 = /dev/cpqhealth/cpqw Redirector interface
  2386. 1 = /dev/cpqhealth/crom EISA CROM
  2387. 2 = /dev/cpqhealth/cdt Data Table
  2388. 3 = /dev/cpqhealth/cevt Event Log
  2389. 4 = /dev/cpqhealth/casr Automatic Server Recovery
  2390. 5 = /dev/cpqhealth/cecc ECC Memory
  2391. 6 = /dev/cpqhealth/cmca Machine Check Architecture
  2392. 7 = /dev/cpqhealth/ccsm Deprecated CDT
  2393. 8 = /dev/cpqhealth/cnmi NMI Handling
  2394. 9 = /dev/cpqhealth/css Sideshow Management
  2395. 10 = /dev/cpqhealth/cram CMOS interface
  2396. 11 = /dev/cpqhealth/cpci PCI IRQ interface
  2397. 208 char User space serial ports
  2398. 0 = /dev/ttyU0 First user space serial port
  2399. 1 = /dev/ttyU1 Second user space serial port
  2400. ...
  2401. 209 char User space serial ports (alternate devices)
  2402. 0 = /dev/cuu0 Callout device for ttyU0
  2403. 1 = /dev/cuu1 Callout device for ttyU1
  2404. ...
  2405. 210 char SBE, Inc. sync/async serial card
  2406. 0 = /dev/sbei/wxcfg0 Configuration device for board 0
  2407. 1 = /dev/sbei/dld0 Download device for board 0
  2408. 2 = /dev/sbei/wan00 WAN device, port 0, board 0
  2409. 3 = /dev/sbei/wan01 WAN device, port 1, board 0
  2410. 4 = /dev/sbei/wan02 WAN device, port 2, board 0
  2411. 5 = /dev/sbei/wan03 WAN device, port 3, board 0
  2412. 6 = /dev/sbei/wanc00 WAN clone device, port 0, board 0
  2413. 7 = /dev/sbei/wanc01 WAN clone device, port 1, board 0
  2414. 8 = /dev/sbei/wanc02 WAN clone device, port 2, board 0
  2415. 9 = /dev/sbei/wanc03 WAN clone device, port 3, board 0
  2416. 10 = /dev/sbei/wxcfg1 Configuration device for board 1
  2417. 11 = /dev/sbei/dld1 Download device for board 1
  2418. 12 = /dev/sbei/wan10 WAN device, port 0, board 1
  2419. 13 = /dev/sbei/wan11 WAN device, port 1, board 1
  2420. 14 = /dev/sbei/wan12 WAN device, port 2, board 1
  2421. 15 = /dev/sbei/wan13 WAN device, port 3, board 1
  2422. 16 = /dev/sbei/wanc10 WAN clone device, port 0, board 1
  2423. 17 = /dev/sbei/wanc11 WAN clone device, port 1, board 1
  2424. 18 = /dev/sbei/wanc12 WAN clone device, port 2, board 1
  2425. 19 = /dev/sbei/wanc13 WAN clone device, port 3, board 1
  2426. ...
  2427. Yes, each board is really spaced 10 (decimal) apart.
  2428. 211 char Addinum CPCI1500 digital I/O card
  2429. 0 = /dev/addinum/cpci1500/0 First CPCI1500 card
  2430. 1 = /dev/addinum/cpci1500/1 Second CPCI1500 card
  2431. ...
  2432. 212 char LinuxTV.org DVB driver subsystem
  2433. 0 = /dev/dvb/adapter0/video0 first video decoder of first card
  2434. 1 = /dev/dvb/adapter0/audio0 first audio decoder of first card
  2435. 2 = /dev/dvb/adapter0/sec0 (obsolete/unused)
  2436. 3 = /dev/dvb/adapter0/frontend0 first frontend device of first card
  2437. 4 = /dev/dvb/adapter0/demux0 first demux device of first card
  2438. 5 = /dev/dvb/adapter0/dvr0 first digital video recoder device of first card
  2439. 6 = /dev/dvb/adapter0/ca0 first common access port of first card
  2440. 7 = /dev/dvb/adapter0/net0 first network device of first card
  2441. 8 = /dev/dvb/adapter0/osd0 first on-screen-display device of first card
  2442. 9 = /dev/dvb/adapter0/video1 second video decoder of first card
  2443. ...
  2444. 64 = /dev/dvb/adapter1/video0 first video decoder of second card
  2445. ...
  2446. 128 = /dev/dvb/adapter2/video0 first video decoder of third card
  2447. ...
  2448. 196 = /dev/dvb/adapter3/video0 first video decoder of fourth card
  2449. 216 char Bluetooth RFCOMM TTY devices
  2450. 0 = /dev/rfcomm0 First Bluetooth RFCOMM TTY device
  2451. 1 = /dev/rfcomm1 Second Bluetooth RFCOMM TTY device
  2452. ...
  2453. 217 char Bluetooth RFCOMM TTY devices (alternate devices)
  2454. 0 = /dev/curf0 Callout device for rfcomm0
  2455. 1 = /dev/curf1 Callout device for rfcomm1
  2456. ...
  2457. 218 char The Logical Company bus Unibus/Qbus adapters
  2458. 0 = /dev/logicalco/bci/0 First bus adapter
  2459. 1 = /dev/logicalco/bci/1 First bus adapter
  2460. ...
  2461. 219 char The Logical Company DCI-1300 digital I/O card
  2462. 0 = /dev/logicalco/dci1300/0 First DCI-1300 card
  2463. 1 = /dev/logicalco/dci1300/1 Second DCI-1300 card
  2464. ...
  2465. 220 char Myricom Myrinet "GM" board
  2466. 0 = /dev/myricom/gm0 First Myrinet GM board
  2467. 1 = /dev/myricom/gmp0 First board "root access"
  2468. 2 = /dev/myricom/gm1 Second Myrinet GM board
  2469. 3 = /dev/myricom/gmp1 Second board "root access"
  2470. ...
  2471. 221 char VME bus
  2472. 0 = /dev/bus/vme/m0 First master image
  2473. 1 = /dev/bus/vme/m1 Second master image
  2474. 2 = /dev/bus/vme/m2 Third master image
  2475. 3 = /dev/bus/vme/m3 Fourth master image
  2476. 4 = /dev/bus/vme/s0 First slave image
  2477. 5 = /dev/bus/vme/s1 Second slave image
  2478. 6 = /dev/bus/vme/s2 Third slave image
  2479. 7 = /dev/bus/vme/s3 Fourth slave image
  2480. 8 = /dev/bus/vme/ctl Control
  2481. It is expected that all VME bus drivers will use the
  2482. same interface. For interface documentation see
  2483. http://www.vmelinux.org/.
  2484. 224 char A2232 serial card
  2485. 0 = /dev/ttyY0 First A2232 port
  2486. 1 = /dev/ttyY1 Second A2232 port
  2487. ...
  2488. 225 char A2232 serial card (alternate devices)
  2489. 0 = /dev/cuy0 Callout device for ttyY0
  2490. 1 = /dev/cuy1 Callout device for ttyY1
  2491. ...
  2492. 226 char Direct Rendering Infrastructure (DRI)
  2493. 0 = /dev/dri/card0 First graphics card
  2494. 1 = /dev/dri/card1 Second graphics card
  2495. ...
  2496. 227 char IBM 3270 terminal Unix tty access
  2497. 1 = /dev/3270/tty1 First 3270 terminal
  2498. 2 = /dev/3270/tty2 Seconds 3270 terminal
  2499. ...
  2500. 228 char IBM 3270 terminal block-mode access
  2501. 0 = /dev/3270/tub Controlling interface
  2502. 1 = /dev/3270/tub1 First 3270 terminal
  2503. 2 = /dev/3270/tub2 Second 3270 terminal
  2504. ...
  2505. 229 char IBM iSeries/pSeries virtual console
  2506. 0 = /dev/hvc0 First console port
  2507. 1 = /dev/hvc1 Second console port
  2508. ...
  2509. 230 char IBM iSeries virtual tape
  2510. 0 = /dev/iseries/vt0 First virtual tape, mode 0
  2511. 1 = /dev/iseries/vt1 Second virtual tape, mode 0
  2512. ...
  2513. 32 = /dev/iseries/vt0l First virtual tape, mode 1
  2514. 33 = /dev/iseries/vt1l Second virtual tape, mode 1
  2515. ...
  2516. 64 = /dev/iseries/vt0m First virtual tape, mode 2
  2517. 65 = /dev/iseries/vt1m Second virtual tape, mode 2
  2518. ...
  2519. 96 = /dev/iseries/vt0a First virtual tape, mode 3
  2520. 97 = /dev/iseries/vt1a Second virtual tape, mode 3
  2521. ...
  2522. 128 = /dev/iseries/nvt0 First virtual tape, mode 0, no rewind
  2523. 129 = /dev/iseries/nvt1 Second virtual tape, mode 0, no rewind
  2524. ...
  2525. 160 = /dev/iseries/nvt0l First virtual tape, mode 1, no rewind
  2526. 161 = /dev/iseries/nvt1l Second virtual tape, mode 1, no rewind
  2527. ...
  2528. 192 = /dev/iseries/nvt0m First virtual tape, mode 2, no rewind
  2529. 193 = /dev/iseries/nvt1m Second virtual tape, mode 2, no rewind
  2530. ...
  2531. 224 = /dev/iseries/nvt0a First virtual tape, mode 3, no rewind
  2532. 225 = /dev/iseries/nvt1a Second virtual tape, mode 3, no rewind
  2533. ...
  2534. "No rewind" refers to the omission of the default
  2535. automatic rewind on device close. The MTREW or MTOFFL
  2536. ioctl()'s can be used to rewind the tape regardless of
  2537. the device used to access it.
  2538. 231 char InfiniBand
  2539. 0 = /dev/infiniband/umad0
  2540. 1 = /dev/infiniband/umad1
  2541. ...
  2542. 63 = /dev/infiniband/umad63 63rd InfiniBandMad device
  2543. 64 = /dev/infiniband/issm0 First InfiniBand IsSM device
  2544. 65 = /dev/infiniband/issm1 Second InfiniBand IsSM device
  2545. ...
  2546. 127 = /dev/infiniband/issm63 63rd InfiniBand IsSM device
  2547. 128 = /dev/infiniband/uverbs0 First InfiniBand verbs device
  2548. 129 = /dev/infiniband/uverbs1 Second InfiniBand verbs device
  2549. ...
  2550. 159 = /dev/infiniband/uverbs31 31st InfiniBand verbs device
  2551. 232 char Biometric Devices
  2552. 0 = /dev/biometric/sensor0/fingerprint first fingerprint sensor on first device
  2553. 1 = /dev/biometric/sensor0/iris first iris sensor on first device
  2554. 2 = /dev/biometric/sensor0/retina first retina sensor on first device
  2555. 3 = /dev/biometric/sensor0/voiceprint first voiceprint sensor on first device
  2556. 4 = /dev/biometric/sensor0/facial first facial sensor on first device
  2557. 5 = /dev/biometric/sensor0/hand first hand sensor on first device
  2558. ...
  2559. 10 = /dev/biometric/sensor1/fingerprint first fingerprint sensor on second device
  2560. ...
  2561. 20 = /dev/biometric/sensor2/fingerprint first fingerprint sensor on third device
  2562. ...
  2563. 233 char PathScale InfiniPath interconnect
  2564. 0 = /dev/ipath Primary device for programs (any unit)
  2565. 1 = /dev/ipath0 Access specifically to unit 0
  2566. 2 = /dev/ipath1 Access specifically to unit 1
  2567. ...
  2568. 4 = /dev/ipath3 Access specifically to unit 3
  2569. 129 = /dev/ipath_sma Device used by Subnet Management Agent
  2570. 130 = /dev/ipath_diag Device used by diagnostics programs
  2571. 234-239 UNASSIGNED
  2572. 240-254 char LOCAL/EXPERIMENTAL USE
  2573. 240-254 block LOCAL/EXPERIMENTAL USE
  2574. Allocated for local/experimental use. For devices not
  2575. assigned official numbers, these ranges should be
  2576. used in order to avoid conflicting with future assignments.
  2577. 255 char RESERVED
  2578. 255 block RESERVED
  2579. This major is reserved to assist the expansion to a
  2580. larger number space. No device nodes with this major
  2581. should ever be created on the filesystem.
  2582. (This is probably not true anymore, but I'll leave it
  2583. for now /Torben)
  2584. ---LARGE MAJORS!!!!!---
  2585. 256 char Equinox SST multi-port serial boards
  2586. 0 = /dev/ttyEQ0 First serial port on first Equinox SST board
  2587. 127 = /dev/ttyEQ127 Last serial port on first Equinox SST board
  2588. 128 = /dev/ttyEQ128 First serial port on second Equinox SST board
  2589. ...
  2590. 1027 = /dev/ttyEQ1027 Last serial port on eighth Equinox SST board
  2591. 256 block Resident Flash Disk Flash Translation Layer
  2592. 0 = /dev/rfda First RFD FTL layer
  2593. 16 = /dev/rfdb Second RFD FTL layer
  2594. ...
  2595. 240 = /dev/rfdp 16th RFD FTL layer
  2596. 257 char Phoenix Technologies Cryptographic Services Driver
  2597. 0 = /dev/ptlsec Crypto Services Driver
  2598. 257 block SSFDC Flash Translation Layer filesystem
  2599. 0 = /dev/ssfdca First SSFDC layer
  2600. 8 = /dev/ssfdcb Second SSFDC layer
  2601. 16 = /dev/ssfdcc Third SSFDC layer
  2602. 24 = /dev/ssfdcd 4th SSFDC layer
  2603. 32 = /dev/ssfdce 5th SSFDC layer
  2604. 40 = /dev/ssfdcf 6th SSFDC layer
  2605. 48 = /dev/ssfdcg 7th SSFDC layer
  2606. 56 = /dev/ssfdch 8th SSFDC layer
  2607. 258 block ROM/Flash read-only translation layer
  2608. 0 = /dev/blockrom0 First ROM card's translation layer interface
  2609. 1 = /dev/blockrom1 Second ROM card's translation layer interface
  2610. ...
  2611. **** ADDITIONAL /dev DIRECTORY ENTRIES
  2612. This section details additional entries that should or may exist in
  2613. the /dev directory. It is preferred that symbolic links use the same
  2614. form (absolute or relative) as is indicated here. Links are
  2615. classified as "hard" or "symbolic" depending on the preferred type of
  2616. link; if possible, the indicated type of link should be used.
  2617. Compulsory links
  2618. These links should exist on all systems:
  2619. /dev/fd /proc/self/fd symbolic File descriptors
  2620. /dev/stdin fd/0 symbolic stdin file descriptor
  2621. /dev/stdout fd/1 symbolic stdout file descriptor
  2622. /dev/stderr fd/2 symbolic stderr file descriptor
  2623. /dev/nfsd socksys symbolic Required by iBCS-2
  2624. /dev/X0R null symbolic Required by iBCS-2
  2625. Note: /dev/X0R is <letter X>-<digit 0>-<letter R>.
  2626. Recommended links
  2627. It is recommended that these links exist on all systems:
  2628. /dev/core /proc/kcore symbolic Backward compatibility
  2629. /dev/ramdisk ram0 symbolic Backward compatibility
  2630. /dev/ftape qft0 symbolic Backward compatibility
  2631. /dev/bttv0 video0 symbolic Backward compatibility
  2632. /dev/radio radio0 symbolic Backward compatibility
  2633. /dev/i2o* /dev/i2o/* symbolic Backward compatibility
  2634. /dev/scd? sr? hard Alternate SCSI CD-ROM name
  2635. Locally defined links
  2636. The following links may be established locally to conform to the
  2637. configuration of the system. This is merely a tabulation of existing
  2638. practice, and does not constitute a recommendation. However, if they
  2639. exist, they should have the following uses.
  2640. /dev/mouse mouse port symbolic Current mouse device
  2641. /dev/tape tape device symbolic Current tape device
  2642. /dev/cdrom CD-ROM device symbolic Current CD-ROM device
  2643. /dev/cdwriter CD-writer symbolic Current CD-writer device
  2644. /dev/scanner scanner symbolic Current scanner device
  2645. /dev/modem modem port symbolic Current dialout device
  2646. /dev/root root device symbolic Current root filesystem
  2647. /dev/swap swap device symbolic Current swap device
  2648. /dev/modem should not be used for a modem which supports dialin as
  2649. well as dialout, as it tends to cause lock file problems. If it
  2650. exists, /dev/modem should point to the appropriate primary TTY device
  2651. (the use of the alternate callout devices is deprecated).
  2652. For SCSI devices, /dev/tape and /dev/cdrom should point to the
  2653. ``cooked'' devices (/dev/st* and /dev/sr*, respectively), whereas
  2654. /dev/cdwriter and /dev/scanner should point to the appropriate generic
  2655. SCSI devices (/dev/sg*).
  2656. /dev/mouse may point to a primary serial TTY device, a hardware mouse
  2657. device, or a socket for a mouse driver program (e.g. /dev/gpmdata).
  2658. Sockets and pipes
  2659. Non-transient sockets and named pipes may exist in /dev. Common entries are:
  2660. /dev/printer socket lpd local socket
  2661. /dev/log socket syslog local socket
  2662. /dev/gpmdata socket gpm mouse multiplexer
  2663. Mount points
  2664. The following names are reserved for mounting special filesystems
  2665. under /dev. These special filesystems provide kernel interfaces that
  2666. cannot be provided with standard device nodes.
  2667. /dev/pts devpts PTY slave filesystem
  2668. /dev/shm tmpfs POSIX shared memory maintenance access
  2669. **** TERMINAL DEVICES
  2670. Terminal, or TTY devices are a special class of character devices. A
  2671. terminal device is any device that could act as a controlling terminal
  2672. for a session; this includes virtual consoles, serial ports, and
  2673. pseudoterminals (PTYs).
  2674. All terminal devices share a common set of capabilities known as line
  2675. disciplines; these include the common terminal line discipline as well
  2676. as SLIP and PPP modes.
  2677. All terminal devices are named similarly; this section explains the
  2678. naming and use of the various types of TTYs. Note that the naming
  2679. conventions include several historical warts; some of these are
  2680. Linux-specific, some were inherited from other systems, and some
  2681. reflect Linux outgrowing a borrowed convention.
  2682. A hash mark (#) in a device name is used here to indicate a decimal
  2683. number without leading zeroes.
  2684. Virtual consoles and the console device
  2685. Virtual consoles are full-screen terminal displays on the system video
  2686. monitor. Virtual consoles are named /dev/tty#, with numbering
  2687. starting at /dev/tty1; /dev/tty0 is the current virtual console.
  2688. /dev/tty0 is the device that should be used to access the system video
  2689. card on those architectures for which the frame buffer devices
  2690. (/dev/fb*) are not applicable. Do not use /dev/console
  2691. for this purpose.
  2692. The console device, /dev/console, is the device to which system
  2693. messages should be sent, and on which logins should be permitted in
  2694. single-user mode. Starting with Linux 2.1.71, /dev/console is managed
  2695. by the kernel; for previous versions it should be a symbolic link to
  2696. either /dev/tty0, a specific virtual console such as /dev/tty1, or to
  2697. a serial port primary (tty*, not cu*) device, depending on the
  2698. configuration of the system.
  2699. Serial ports
  2700. Serial ports are RS-232 serial ports and any device which simulates
  2701. one, either in hardware (such as internal modems) or in software (such
  2702. as the ISDN driver.) Under Linux, each serial ports has two device
  2703. names, the primary or callin device and the alternate or callout one.
  2704. Each kind of device is indicated by a different letter. For any
  2705. letter X, the names of the devices are /dev/ttyX# and /dev/cux#,
  2706. respectively; for historical reasons, /dev/ttyS# and /dev/ttyC#
  2707. correspond to /dev/cua# and /dev/cub#. In the future, it should be
  2708. expected that multiple letters will be used; all letters will be upper
  2709. case for the "tty" device (e.g. /dev/ttyDP#) and lower case for the
  2710. "cu" device (e.g. /dev/cudp#).
  2711. The names /dev/ttyQ# and /dev/cuq# are reserved for local use.
  2712. The alternate devices provide for kernel-based exclusion and somewhat
  2713. different defaults than the primary devices. Their main purpose is to
  2714. allow the use of serial ports with programs with no inherent or broken
  2715. support for serial ports. Their use is deprecated, and they may be
  2716. removed from a future version of Linux.
  2717. Arbitration of serial ports is provided by the use of lock files with
  2718. the names /var/lock/LCK..ttyX#. The contents of the lock file should
  2719. be the PID of the locking process as an ASCII number.
  2720. It is common practice to install links such as /dev/modem
  2721. which point to serial ports. In order to ensure proper locking in the
  2722. presence of these links, it is recommended that software chase
  2723. symlinks and lock all possible names; additionally, it is recommended
  2724. that a lock file be installed with the corresponding alternate
  2725. device. In order to avoid deadlocks, it is recommended that the locks
  2726. are acquired in the following order, and released in the reverse:
  2727. 1. The symbolic link name, if any (/var/lock/LCK..modem)
  2728. 2. The "tty" name (/var/lock/LCK..ttyS2)
  2729. 3. The alternate device name (/var/lock/LCK..cua2)
  2730. In the case of nested symbolic links, the lock files should be
  2731. installed in the order the symlinks are resolved.
  2732. Under no circumstances should an application hold a lock while waiting
  2733. for another to be released. In addition, applications which attempt
  2734. to create lock files for the corresponding alternate device names
  2735. should take into account the possibility of being used on a non-serial
  2736. port TTY, for which no alternate device would exist.
  2737. Pseudoterminals (PTYs)
  2738. Pseudoterminals, or PTYs, are used to create login sessions or provide
  2739. other capabilities requiring a TTY line discipline (including SLIP or
  2740. PPP capability) to arbitrary data-generation processes. Each PTY has
  2741. a master side, named /dev/pty[p-za-e][0-9a-f], and a slave side, named
  2742. /dev/tty[p-za-e][0-9a-f]. The kernel arbitrates the use of PTYs by
  2743. allowing each master side to be opened only once.
  2744. Once the master side has been opened, the corresponding slave device
  2745. can be used in the same manner as any TTY device. The master and
  2746. slave devices are connected by the kernel, generating the equivalent
  2747. of a bidirectional pipe with TTY capabilities.
  2748. Recent versions of the Linux kernels and GNU libc contain support for
  2749. the System V/Unix98 naming scheme for PTYs, which assigns a common
  2750. device, /dev/ptmx, to all the masters (opening it will automatically
  2751. give you a previously unassigned PTY) and a subdirectory, /dev/pts,
  2752. for the slaves; the slaves are named with decimal integers (/dev/pts/#
  2753. in our notation). This removes the problem of exhausting the
  2754. namespace and enables the kernel to automatically create the device
  2755. nodes for the slaves on demand using the "devpts" filesystem.