1 /* $NetBSD: majors+minors,v 1.2 2022/04/07 20:23:44 andvar Exp $ */ 2 3 /* 4 * Copyright (c) 19941198 Mark Brinicombe. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Mark Brinicombe 18 * for the NetBSD Project. 19 * 4. The name of the company nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * list of all allocated major numbers 36 * 37 * Created : 17/09/94 38 */ 39 40 List of allocated and reserved major and minor numbers 41 42 The block and character major numbers are ALWAYS allocated together to the 43 same device driver even if the driver does not require both. 44 45 0 B - reserved 46 0 C - memory device 47 minor = 0 - /dev/mem 48 minor = 1 - /dev/kmem 49 minor = 2 - /dev/null 50 minor = 3 - /dev/zero 51 1 B - swap device 52 1 C - pseudo swap device 53 minor = 0 - /dev/drum 54 2 B - reserved 55 2 C - console device 56 minor = 0 - /dev/console 57 3 B - reserved 58 3 C - controlling terminal 59 minor = 0 - /dev/tty 60 4 B - reserved 61 4 C - virtual console 62 /dev/ttyv{unit} 63 unit = minor 64 5 B - reserved 65 5 C - kernel log device 66 minor = 0 - /dev/klog 67 6 B - reserved 68 6 C - pseudo tty master 69 /dev/pty{class}{unit} 70 unit = minor % 16 71 minor / 16 = 0 - class = p 72 minor / 16 = 1 - class = q 73 minor / 16 = 2 - class = r 74 minor / 16 = 3 - class = s 75 minor / 16 = 4 - class = t 76 7 B - reserved 77 7 C - pseudo tty slave 78 /dev/tty{class}{unit} 79 unit = minor % 16 80 minor / 16 = 0 - class = p 81 minor / 16 = 1 - class = q 82 minor / 16 = 2 - class = r 83 minor / 16 = 3 - class = s 84 minor / 16 = 4 - class = t 85 8 B - reserved 86 8 C - parallel printer 87 /dev/lp{class}{unit} 88 unit = minor & 0x1f 89 minor & 0x80 = 0x00 - class = t - interrupt driver 90 minor & 0x80 = 0x80 - class = a - polling driver 91 e.g. 92 0 - /dev/lpt0 93 128 - /dev/lpa0 94 9 B - reserved 95 9 C - quadrature mouse 96 minor = 0 - /dev/quadmouse 97 10 B - reserved 98 10 C - beep device 99 minor = 0 - /dev/beep 100 11 B - reserved 101 11 C - keyboard device 102 minor = 0 - /dev/kbd 103 12 B - reserved 104 12 C - serial port 105 /dev/tty0{unit} 106 unit = minor 107 13 B - reserver 108 13 C - reserved 109 14 B - reserved 110 14 C - reserved 111 15 B - reserved 112 15 C - reserved 113 16 B - ST506/ESDI/IDE disk 114 /dev/wd{unit}{partition} 115 partition = minor % 8 116 unit = minor / 8 117 16 C - ST506/ESDI/IDE disk 118 /dev/rwd{unit}{partition} 119 partition = minor % 8 120 unit = minor / 8 121 17 B - floppy disk 122 /dev/fd{unit}{partition} 123 partition = minor % 8 124 unit = minor / 8 125 17 C - floppy disk 126 /dev/rfd{unit}{partition} 127 partition = minor % 8 128 unit = minor / 8 129 18 B - ram disk 130 /dev/rd{unit}{partition} 131 partition = minor % 8 132 unit = minor / 8 133 18 C - ram disk 134 /dev/rrd{unit}{partition} 135 partition = minor % 8 136 unit = minor / 8 137 19 B - vnode disk driver 138 /dev/vnd{unit}{partition} 139 partition = minor % 8 140 unit = minor / 8 141 19 C - vnode disk driver 142 /dev/rvnd{unit}{partition} 143 partition = minor % 8 144 unit = minor / 8 145 20 B - reserved (ATAPI CDROM) 146 /dev/acd{unit}{partition} 147 partition = minor % 8 148 unit = minor / 8 149 20 C - reserved (ATAPI CDROM) 150 /dev/racd{unit}{partition} 151 partition = minor % 8 152 unit = minor / 8 153 21 B - concatenated disk driver 154 /dev/ccd{unit}{partition} 155 partition = minor % 8 156 unit = minor / 8 157 21 C - concatenated disk driver 158 /dev/rccd{unit}{partition} 159 partition = minor % 8 160 unit = minor / 8 161 22 B - reserved 162 22 C - reserved 163 23 B - reserved 164 23 C - reserved 165 24 B - SCSI disk 166 /dev/sd{unit}{partition} 167 partition = minor % 8 168 unit = minor / 8 169 24 C - SCSI disk 170 /dev/rsd{unit}{partition} 171 partition = minor % 8 172 unit = minor / 8 173 25 B - SCSI tape 174 25 C - SCSI tape 175 26 B - SCSI cdrom 176 /dev/cd{unit}{partition} 177 partition = minor % 8 178 unit = minor / 8 179 26 C - SCSI cdrom 180 /dev/rcd{unit}{partition} 181 partition = minor % 8 182 unit = minor / 8 183 27 B - reserved 184 27 C - SCSI autochanger 185 /dev/ch{unit} 186 unit = minor 187 28 B - reserved 188 28 C - SCSI unknown device 189 /dev/uk{unit} 190 unit = minor 191 29 B - reserved 192 29 C - SCSI scanner device 193 /dev/ss{unit} 194 unit = minor 195 30 B - reserved 196 30 C - reserved 197 31 B - reserved 198 31 C - reserved 199 32 B - reserved 200 32 C - Berkeley packet filter 201 /dev/bpf{unit} 202 unit = minor 203 minor = 0 - /dev/bpf0 204 minor = 1 - /dev/bpf1 205 minor = 2 - /dev/bpf2 206 minor = 3 - /dev/bpf3 207 33 B - reserved 208 33 C - network tunnel 209 /dev/tun{unit} 210 unit = minor 211 minor = 0 - /dev/tun0 212 minor = 1 - /dev/tun1 213 minor = 2 - /dev/tun2 214 34 B - reserved 215 34 C - file descriptor pseudo-device 216 minor = 0 - /dev/stdin 217 minor = 1 - /dev/stdout 218 minor = 2 - /dev/stderr 219 35 B - reserved 220 35 C - loadable module driver 221 minor = 0 - /dev/lkm 222 36 B - reserved 223 36 C - generic audio device 224 37 B - reserved 225 37 C - vidcconsole device 226 minor = 0 - /dev/vidcconsole 227 38 B - reserved 228 38 C - cpu/hydra 229 minor = 0 - /dev/cpu0 230 39 B - reserved 231 39 C - reserved 232 40 B - reserved 233 40 C - PS2 mouse 234 minor = 0 - /dev/pms 235 41 B - reserved 236 41 C - reserved 237 42 B - reserved 238 42 C - IIC device 239 43 B - reserved 240 43 C - RTC device 241 44 B - reserved 242 44 C - reserved (generic video) 243 (/dev/gfx{unit}) 244 (unit = minor) 245 45 B - reserved 246 45 C - reserved (virtual console) 247 (/dev/ttyg{unit}) 248 (unit = minor) 249 46 B - reserved 250 46 C - ip-filter 251 47 - reserved 252 48 B - reserved 253 48 C - S/PDIF 254 49 B - reserved 255 49 C - ofrom 256 50 B - reserved 257 50 C - smart card (/dev/scr) 258 51 B - reserved 259 51 C - reserved 260 52 B - reserved 261 52 C - random device 262 53 B - reserved 263 53 C - FIQ profiler 264 54 B - reserved 265 54 C - Footbridge diag serial 266 minor = 0 - /dev/fcom 267 55 B - reserved 268 55 C - reserved for bypass device 269 56 B - reserved 270 56 C - ISA jostick 271 57 B - reserved 272 57 C - MIDI I/O 273 58 B - reserved 274 58 C - Sequencer I/O 275 59 B - reserved 276 59 C - reserved for CODA 277 60 B - reserved 278 60 C - wsdisplay device 279 61 B - reserved 280 61 C - wskbd device 281 62 B - reserved 282 62 C - wsmouse device 283 63 B - reserved 284 63 C - reserved 285 64 B - reserved 286 64 C - USB controller 287 65 B - reserved 288 65 C - USB HID 289 66 B - reserved 290 66 C - USB printer 291 67 B - reserved 292 67 C - reserved 293 68 B - reserved 294 68 C - reserved 295 69 B - reserved 296 69 C - reserved 297 298 70+ free for allocation 299
Indexes created Thu Sep 25 08:09:54 GMT 2025