1 /* $OpenBSD: conf.c,v 1.44 2021/11/11 10:03:09 claudio Exp $ */ 2 3 /* 4 * Copyright (c) 1994-1998 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 * RiscBSD kernel project 36 * 37 * conf.c 38 * 39 * Character and Block Device configuration 40 * Console configuration 41 * 42 * Defines the structures [bc]devsw 43 * 44 * Created : 17/09/94 45 */ 46 47 #include <sys/param.h> 48 #include <sys/systm.h> 49 #include <sys/buf.h> 50 #include <sys/ioctl.h> 51 #include <sys/tty.h> 52 #include <sys/conf.h> 53 #include <sys/vnode.h> 54 55 #include <machine/conf.h> 56 57 /* 58 * From this point, these need to be MI foo.h files. 59 */ 60 61 /* 62 * Standard MI devices (e.g. ones in dev/ic) 63 */ 64 #include "com.h" /* NS164x0 serial ports */ 65 66 /* 67 * Standard pseudo-devices 68 */ 69 #include "bpfilter.h" 70 #include "dt.h" 71 #include "pf.h" 72 #include "bio.h" 73 #include "pty.h" 74 #include "tun.h" 75 #include "ksyms.h" 76 #include "kstat.h" 77 78 /* 79 * Disk/Filesystem pseudo-devices 80 */ 81 #include "rd.h" /* memory disk driver */ 82 #include "vnd.h" /* vnode disk driver */ 83 84 /* 85 * WD/ATA devices 86 */ 87 #include "wd.h" 88 bdev_decl(wd); 89 90 #ifdef USER_PCICONF 91 #include "pci.h" 92 cdev_decl(pci); 93 #endif 94 95 /* 96 * SCSI/ATAPI devices 97 */ 98 #include "sd.h" 99 #include "st.h" 100 #include "cd.h" 101 #include "ch.h" 102 #include "uk.h" 103 104 /* 105 * Audio devices 106 */ 107 #include "audio.h" 108 #include "video.h" 109 #include "midi.h" 110 111 /* 112 * USB devices 113 */ 114 #include "usb.h" 115 #include "ucom.h" 116 #include "ugen.h" 117 #include "uhid.h" 118 #include "fido.h" 119 #include "ujoy.h" 120 #include "ulpt.h" 121 122 /* 123 * WSCONS devices 124 */ 125 #include "wsdisplay.h" 126 /* 127 #include "wsfont.h" 128 */ 129 #include "wskbd.h" 130 #include "wsmouse.h" 131 #include "wsmux.h" 132 cdev_decl(wskbd); 133 cdev_decl(wsmouse); 134 135 #include "lpt.h" 136 #include "radio.h" 137 cdev_decl(radio); 138 139 /* Block devices */ 140 141 struct bdevsw bdevsw[] = { 142 bdev_notdef(), /* 0: */ 143 bdev_swap_init(1, sw), /* 1: swap pseudo-device */ 144 bdev_notdef(), /* 2: */ 145 bdev_notdef(), /* 3: */ 146 bdev_notdef(), /* 4: */ 147 bdev_notdef(), /* 5: */ 148 bdev_notdef(), /* 6: */ 149 bdev_notdef(), /* 7: */ 150 bdev_notdef(), /* 8: */ 151 bdev_notdef(), /* 9: */ 152 bdev_notdef(), /* 10: */ 153 bdev_notdef(), /* 11: */ 154 bdev_notdef(), /* 12: */ 155 bdev_notdef(), /* 13: */ 156 bdev_notdef(), /* 14: */ 157 bdev_notdef(), /* 15: */ 158 bdev_disk_init(NWD,wd), /* 16: Internal IDE disk */ 159 bdev_notdef(), /* 17: */ 160 bdev_disk_init(NRD,rd), /* 18: memory disk */ 161 bdev_disk_init(NVND,vnd), /* 19: vnode disk driver */ 162 bdev_notdef(), /* 20: */ 163 bdev_notdef(), /* 21: was: concatenated disk driver */ 164 bdev_notdef(), /* 22: */ 165 bdev_notdef(), /* 23: */ 166 bdev_disk_init(NSD,sd), /* 24: SCSI disk */ 167 bdev_notdef(), /* 25: was: SCSI tape */ 168 bdev_disk_init(NCD,cd), /* 26: SCSI cdrom */ 169 bdev_notdef(), /* 27: */ 170 bdev_notdef(), /* 28: */ 171 bdev_notdef(), /* 29: */ 172 bdev_notdef(), /* 30: */ 173 bdev_notdef(), /* 31: */ 174 bdev_notdef(), /* 32: */ 175 bdev_notdef(), /* 33: */ 176 bdev_notdef(), /* 34: */ 177 bdev_notdef(), /* 35: */ 178 bdev_notdef(), /* 36: */ 179 bdev_notdef(), /* 37: */ 180 bdev_notdef(), /* 38: */ 181 bdev_notdef(), /* 39: */ 182 bdev_notdef(), /* 40: */ 183 bdev_notdef(), /* 41: */ 184 bdev_notdef(), /* 42: */ 185 bdev_notdef(), /* 43: */ 186 bdev_notdef(), /* 44: */ 187 bdev_notdef(), /* 45: */ 188 bdev_notdef(), /* 46: */ 189 bdev_notdef(), /* 47: */ 190 bdev_notdef(), /* 48: */ 191 bdev_notdef(), /* 49: */ 192 bdev_notdef(), /* 50: */ 193 bdev_notdef(), /* 51: */ 194 bdev_notdef(), /* 52: */ 195 bdev_notdef(), /* 53: */ 196 bdev_notdef(), /* 54: */ 197 bdev_notdef(), /* 55: */ 198 bdev_notdef(), /* 56: */ 199 bdev_notdef(), /* 57: */ 200 bdev_notdef(), /* 58: */ 201 bdev_notdef(), /* 59: */ 202 bdev_notdef(), /* 60: */ 203 bdev_notdef(), /* 61: */ 204 bdev_notdef(), /* 62: */ 205 bdev_notdef(), /* 63: */ 206 bdev_notdef(), /* 64: */ 207 bdev_notdef(), /* 65: */ 208 bdev_notdef(), /* 66: */ 209 bdev_notdef(), /* 67: */ 210 bdev_notdef(), /* 68: */ 211 bdev_notdef(), /* 69: */ 212 bdev_notdef(), /* 70: */ 213 bdev_notdef(), /* 71 was: RAIDframe disk driver */ 214 bdev_notdef(), /* 72: */ 215 bdev_notdef(), /* 73: */ 216 bdev_notdef(), /* 74: */ 217 bdev_notdef(), /* 75: */ 218 bdev_notdef(), /* 76: */ 219 bdev_notdef(), /* 77: */ 220 bdev_notdef(), /* 78: */ 221 bdev_notdef(), /* 79: */ 222 bdev_notdef(), /* 80: */ 223 bdev_notdef(), /* 81: */ 224 bdev_notdef(), /* 82: */ 225 bdev_notdef(), /* 83: */ 226 bdev_notdef(), /* 84: */ 227 bdev_notdef(), /* 85: */ 228 bdev_notdef(), /* 86: */ 229 bdev_notdef(), /* 87: */ 230 bdev_notdef(), /* 88: */ 231 bdev_notdef(), /* 89: */ 232 bdev_notdef(), /* 90: */ 233 bdev_notdef(), /* 91: */ 234 bdev_notdef(), /* 93: */ 235 bdev_notdef(), /* 94: */ 236 bdev_notdef(), /* 95: */ 237 bdev_notdef(), /* 96: */ 238 bdev_notdef(), /* 97: */ 239 }; 240 241 #include "hotplug.h" 242 #include "scif.h" 243 #include "vscsi.h" 244 #include "pppx.h" 245 #include "fuse.h" 246 247 struct cdevsw cdevsw[] = { 248 cdev_cn_init(1,cn), /* 0: virtual console */ 249 cdev_ctty_init(1,ctty), /* 1: controlling terminal */ 250 cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */ 251 cdev_notdef(), /* 3 was /dev/drum */ 252 cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */ 253 cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */ 254 cdev_log_init(1,log), /* 6: /dev/klog */ 255 cdev_fd_init(1,filedesc), /* 7: file descriptor pseudo-device */ 256 cdev_ksyms_init(NKSYMS,ksyms), /* 8: Kernel symbols device */ 257 cdev_notdef(), /* 9: */ 258 cdev_notdef(), /* 10: */ 259 cdev_tty_init(NSCIF,scif), /* 11: scif */ 260 cdev_tty_init(NCOM,com), /* 12: serial port */ 261 cdev_notdef(), /* 13: */ 262 cdev_notdef(), /* 14: */ 263 cdev_notdef(), /* 15: */ 264 cdev_disk_init(NWD,wd), /* 16: ST506/ESDI/IDE disk */ 265 cdev_notdef(), /* 17: */ 266 cdev_disk_init(NRD,rd), /* 18: ram disk driver */ 267 cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */ 268 cdev_notdef(), /* 20: */ 269 cdev_notdef(), /* 21: was: concatenated disk driver */ 270 cdev_bpf_init(NBPFILTER,bpf), /* 22: Berkeley packet filter */ 271 cdev_notdef(), /* 23: */ 272 cdev_disk_init(NSD,sd), /* 24: SCSI disk */ 273 cdev_tape_init(NST,st), /* 25: SCSI tape */ 274 cdev_disk_init(NCD,cd), /* 26: SCSI CD-ROM */ 275 cdev_ch_init(NCH,ch), /* 27: SCSI autochanger */ 276 cdev_uk_init(NUK,uk), /* 28: SCSI unknown */ 277 cdev_notdef(), /* 29: */ 278 cdev_dt_init(NDT,dt), /* 30: dynamic tracer */ 279 cdev_notdef(), /* 31: */ 280 cdev_notdef(), /* 32: */ 281 cdev_tun_init(NTUN,tun), /* 33: network tunnel */ 282 cdev_notdef(), /* 34: */ 283 cdev_notdef(), /* 35: was LKM */ 284 cdev_audio_init(NAUDIO,audio), /* 36: generic audio I/O */ 285 cdev_hotplug_init(NHOTPLUG,hotplug), /* 37: devices hot plugging*/ 286 cdev_bio_init(NBIO,bio), /* 38: ioctl tunnel */ 287 cdev_notdef(), /* 39: reserved */ 288 cdev_random_init(1,random), /* 40: random generator */ 289 cdev_notdef(), /* 41: reserved */ 290 cdev_notdef(), /* 42: reserved */ 291 cdev_notdef(), /* 43: reserved */ 292 cdev_notdef(), /* 44: reserved */ 293 cdev_notdef(), /* 45: reserved */ 294 cdev_pf_init(NPF,pf), /* 46: packet filter */ 295 cdev_notdef(), /* 47: was /dev/crypto */ 296 cdev_notdef(), /* 48: reserved */ 297 cdev_notdef(), /* 49: reserved */ 298 cdev_notdef(), /* 50: reserved */ 299 cdev_kstat_init(NKSTAT,kstat), /* 51: kernel statistics */ 300 cdev_notdef(), /* 52: reserved */ 301 cdev_notdef(), /* 53: reserved */ 302 cdev_notdef(), /* 54: reserved */ 303 cdev_notdef(), /* 55: Reserved for bypass device */ 304 cdev_notdef(), /* 56: reserved */ 305 cdev_midi_init(NMIDI,midi), /* 57: MIDI I/O */ 306 cdev_notdef(), /* 58 was: sequencer I/O */ 307 cdev_notdef(), /* 59: reserved */ 308 cdev_wsdisplay_init(NWSDISPLAY,wsdisplay), /* 60: frame buffers, etc.*/ 309 cdev_mouse_init(NWSKBD,wskbd), /* 61: keyboards */ 310 cdev_mouse_init(NWSMOUSE,wsmouse), /* 62: mice */ 311 cdev_mouse_init(NWSMUX,wsmux), /* 63: ws multiplexor */ 312 cdev_usb_init(NUSB,usb), /* 64: USB controller */ 313 cdev_usbdev_init(NUHID,uhid), /* 65: USB generic HID */ 314 cdev_ulpt_init(NULPT,ulpt), /* 66: USB printer */ 315 cdev_notdef(), /* 67: was urio */ 316 cdev_tty_init(NUCOM,ucom), /* 68: USB tty */ 317 cdev_notdef(), /* 69: was USB scanners */ 318 cdev_usbdev_init(NUGEN,ugen), /* 70: USB generic driver */ 319 cdev_notdef(), /* 71 was: RAIDframe disk driver */ 320 cdev_notdef(), /* 72: reserved */ 321 cdev_notdef(), /* 73: reserved */ 322 cdev_notdef(), /* 74: reserved */ 323 cdev_notdef(), /* 75: reserved */ 324 cdev_notdef(), /* 76: reserved */ 325 cdev_video_init(NVIDEO,video), /* 77: generic video I/O */ 326 cdev_notdef(), /* 78: removed device */ 327 cdev_notdef(), /* 79: removed device */ 328 cdev_notdef(), /* 80: removed device */ 329 cdev_notdef(), /* 81: removed device */ 330 cdev_notdef(), /* 82: removed device */ 331 cdev_notdef(), /* 83: removed device */ 332 cdev_notdef(), /* 84: removed device */ 333 cdev_notdef(), /* 85: removed device */ 334 cdev_notdef(), /* 86: removed device */ 335 cdev_notdef(), /* 87: removed device */ 336 #ifdef USER_PCICONF 337 cdev_pci_init(NPCI,pci), /* 88: PCI user */ 338 #else 339 cdev_notdef(), 340 #endif 341 cdev_notdef(), /* 89: removed device */ 342 cdev_notdef(), /* 90: removed device */ 343 cdev_notdef(), /* 91: removed device */ 344 cdev_notdef(), /* 92: removed device */ 345 cdev_notdef(), /* 93: removed device */ 346 cdev_notdef(), /* 94: removed device */ 347 cdev_notdef(), /* 95: removed device */ 348 cdev_notdef(), /* 96: removed device */ 349 cdev_radio_init(NRADIO,radio), /* 97: generic radio I/O */ 350 cdev_ptm_init(NPTY,ptm), /* 98: pseudo-tty ptm device */ 351 cdev_vscsi_init(NVSCSI,vscsi), /* 99: vscsi */ 352 cdev_notdef(), 353 cdev_disk_init(1,diskmap), /* 101: disk mapper */ 354 cdev_pppx_init(NPPPX,pppx), /* 102: pppx */ 355 cdev_fuse_init(NFUSE,fuse), /* 103: fuse */ 356 cdev_tun_init(NTUN,tap), /* 104: Ethernet network tap */ 357 cdev_notdef(), /* 105: was switch(4) */ 358 cdev_fido_init(NFIDO,fido), /* 106: FIDO/U2F security key */ 359 cdev_pppx_init(NPPPX,pppac), /* 107: PPP Access Concentrator */ 360 cdev_ujoy_init(NUJOY,ujoy), /* 108: USB joystick/gamecontroller */ 361 }; 362 363 int nblkdev = nitems(bdevsw); 364 int nchrdev = nitems(cdevsw); 365 366 int mem_no = 2; /* major device number of memory special file */ 367 368 /* 369 * Swapdev is a fake device implemented 370 * in sw.c used only internally to get to swstrategy. 371 * It cannot be provided to the users, because the 372 * swstrategy routine munches the b_dev and b_blkno entries 373 * before calling the appropriate driver. This would horribly 374 * confuse, e.g. the hashing routines. Instead, /dev/drum is 375 * provided as a character (raw) device. 376 */ 377 dev_t swapdev = makedev(1, 0); 378 379 /* 380 * Returns true if dev is /dev/mem or /dev/kmem. 381 */ 382 int 383 iskmemdev(dev) 384 dev_t dev; 385 { 386 return (major(dev) == mem_no && minor(dev) < 2); 387 } 388 389 /* 390 * Returns true if dev is /dev/zero. 391 */ 392 int 393 iszerodev(dev) 394 dev_t dev; 395 { 396 return (major(dev) == mem_no && minor(dev) == 3); 397 } 398 399 400 int chrtoblktbl[] = { 401 /*VCHR*/ /*VBLK*/ 402 /* 0 */ NODEV, 403 /* 1 */ NODEV, 404 /* 2 */ NODEV, 405 /* 3 */ NODEV, 406 /* 4 */ NODEV, 407 /* 5 */ NODEV, 408 /* 6 */ NODEV, 409 /* 7 */ NODEV, 410 /* 8 */ NODEV, 411 /* 9 */ NODEV, 412 /* 10 */ NODEV, 413 /* 11 */ NODEV, 414 /* 12 */ NODEV, 415 /* 13 */ NODEV, 416 /* 14 */ NODEV, 417 /* 15 */ NODEV, 418 /* 16 */ 16, /* wd */ 419 /* 17 */ NODEV, 420 /* 18 */ 18, /* rd */ 421 /* 19 */ 19, /* vnd */ 422 /* 20 */ NODEV, 423 /* 21 */ NODEV, 424 /* 22 */ NODEV, 425 /* 23 */ NODEV, 426 /* 24 */ 24, /* sd */ 427 /* 25 */ NODEV, 428 /* 26 */ 26, /* cd */ 429 }; 430 int nchrtoblktbl = nitems(chrtoblktbl); 431 432 433 dev_t 434 getnulldev(void) 435 { 436 return makedev(mem_no, 2); 437 } 438