/* $OpenBSD: conf.c,v 1.94 2025/06/29 15:55:21 miod Exp $ */ /* $NetBSD: conf.c,v 1.16 1996/10/18 21:26:57 cgd Exp $ */ /*- * Copyright (c) 1991 The Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)conf.c 7.9 (Berkeley) 5/28/91 */ #include <sys/param.h> #include <sys/systm.h> #include <sys/buf.h> #include <sys/ioctl.h> #include <sys/tty.h> #include <sys/conf.h> #include <sys/vnode.h> #include "wd.h" bdev_decl(wd); #include "fd.h" bdev_decl(fd); #include "st.h" #include "cd.h" #include "sd.h" #include "uk.h" #include "vnd.h" #include "rd.h" #include "bktr.h" #include "radio.h" struct bdevsw bdevsw[] = { bdev_disk_init(NWD,wd), /* 0: ST506/ESDI/IDE disk */ bdev_swap_init(1,sw), /* 1: swap pseudo-device */ bdev_notdef(), /* 2: was: SCSI tape */ bdev_disk_init(NCD,cd), /* 3: SCSI CD-ROM */ bdev_disk_init(NFD,fd), /* 4: Floppy disk */ bdev_notdef(), /* 5 */ bdev_disk_init(NRD,rd), /* 6: ram disk driver */ bdev_notdef(), /* 7: was: concatenated disk driver */ bdev_disk_init(NSD,sd), /* 8: SCSI disk */ bdev_disk_init(NVND,vnd), /* 9: vnode disk driver */ bdev_notdef(), /* 10 */ bdev_notdef(), /* 11 */ bdev_notdef(), /* 12 */ bdev_notdef(), /* 13 */ bdev_notdef(), /* 14 */ bdev_notdef(), /* 15 */ bdev_notdef(), /* 16 was: RAIDframe disk driver */ }; int nblkdev = nitems(bdevsw); #define mmread mmrw #define mmwrite mmrw cdev_decl(mm); #include "pty.h" #include "tun.h" #include "bpfilter.h" #include "ch.h" #include "zs.h" cdev_decl(zs); #include "audio.h" #include "video.h" #include "com.h" cdev_decl(com); #include "wsdisplay.h" #include "wskbd.h" #include "wsmouse.h" #include "wsmux.h" #include "midi.h" cdev_decl(midi); #include "spkr.h" cdev_decl(spkr); #include "bio.h" #include "lpt.h" cdev_decl(lpt); cdev_decl(wd); cdev_decl(fd); #include "cy.h" cdev_decl(cy); #include "ksyms.h" #include "kstat.h" /* USB Devices */ #include "usb.h" #include "uhid.h" #include "fido.h" #include "ujoy.h" #include "ugen.h" #include "ulpt.h" #include "ucom.h" #include "dt.h" #include "pf.h" #ifdef USER_PCICONF #include "pci.h" cdev_decl(pci); #endif #include "hotplug.h" #include "vscsi.h" #include "pppx.h" #include "fuse.h" struct cdevsw cdevsw[] = { cdev_cn_init(1,cn), /* 0: virtual console */ cdev_ctty_init(1,ctty), /* 1: controlling terminal */ cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */ cdev_notdef(), /* 3 was /dev/drum */ cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */ cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */ cdev_log_init(1,log), /* 6: /dev/klog */ cdev_tun_init(NTUN,tun), /* 7: network tunnel */ cdev_disk_init(NSD,sd), /* 8: SCSI disk */ cdev_disk_init(NVND,vnd), /* 9: vnode disk driver */ cdev_fd_init(1,filedesc), /* 10: file descriptor pseudo-dev */ cdev_bpf_init(NBPFILTER,bpf), /* 11: Berkeley packet filter */ cdev_tape_init(NST,st), /* 12: SCSI tape */ cdev_disk_init(NCD,cd), /* 13: SCSI CD-ROM */ cdev_ch_init(NCH,ch), /* 14: SCSI autochanger */ cdev_tty_init(NZS,zs), /* 15: Z8530 serial interface */ cdev_notdef(), /* 16 was lkm */ cdev_notdef(), /* 17 */ cdev_notdef(), /* 18 */ cdev_notdef(), /* 19 */ cdev_notdef(), /* 20 */ cdev_notdef(), /* 21 */ cdev_notdef(), /* 22 */ cdev_notdef(), /* 23 reserved for PROM console */ cdev_audio_init(NAUDIO,audio), /* 24: generic audio I/O */ cdev_wsdisplay_init(NWSDISPLAY,wsdisplay), /* 25: workstation console */ cdev_tty_init(NCOM,com), /* 26: ns16550 UART */ cdev_notdef(), /* 27: was: concatenated disk driver */ cdev_disk_init(NRD,rd), /* 28: ram disk driver */ cdev_mouse_init(NWSKBD,wskbd), /* 29: /dev/kbd XXX */ cdev_mouse_init(NWSMOUSE,wsmouse), /* 30: /dev/mouse XXX */ cdev_lpt_init(NLPT,lpt), /* 31: parallel printer */ cdev_dt_init(NDT,dt), /* 32: dynamic tracer */ cdev_uk_init(NUK,uk), /* 33: SCSI unknown */ cdev_random_init(1,random), /* 34: random data source */ cdev_pf_init(NPF, pf), /* 35: packet filter */ cdev_disk_init(NWD,wd), /* 36: ST506/ESDI/IDE disk */ cdev_disk_init(NFD,fd), /* 37: Floppy disk */ cdev_tty_init(NCY,cy), /* 38: Cyclom serial port */ cdev_ksyms_init(NKSYMS,ksyms), /* 39: Kernel symbols device */ cdev_spkr_init(NSPKR,spkr), /* 40: PC speaker */ cdev_midi_init(NMIDI,midi), /* 41: MIDI I/O */ cdev_notdef(), /* 42 was: sequencer I/O */ cdev_notdef(), /* 43 was: RAIDframe disk driver */ cdev_video_init(NVIDEO,video), /* 44: generic video I/O */ cdev_usb_init(NUSB,usb), /* 45: USB controller */ cdev_usbdev_init(NUHID,uhid), /* 46: USB generic HID */ cdev_ulpt_init(NULPT,ulpt), /* 47: USB printer */ cdev_usbdev_init(NUGEN,ugen), /* 48: USB generic driver */ cdev_tty_init(NUCOM, ucom), /* 49: USB tty */ cdev_notdef(), /* 50 */ cdev_kstat_init(NKSTAT,kstat), /* 51: kernel statistics */ #ifdef USER_PCICONF cdev_pci_init(NPCI,pci), /* 52: PCI user */ #else cdev_notdef(), #endif cdev_bio_init(NBIO,bio), /* 53: ioctl tunnel */ cdev_notdef(), cdev_ptm_init(NPTY,ptm), /* 55: pseudo-tty ptm device */ cdev_hotplug_init(NHOTPLUG,hotplug), /* 56: devices hot plugging */ cdev_notdef(), /* 57: was: /dev/crypto */ cdev_bktr_init(NBKTR,bktr), /* 58: Bt848 video capture device */ cdev_radio_init(NRADIO,radio), /* 59: generic radio I/O */ cdev_mouse_init(NWSMUX, wsmux), /* 60: ws multiplexor */ cdev_vscsi_init(NVSCSI, vscsi), /* 61: vscsi */ cdev_notdef(), cdev_disk_init(1,diskmap), /* 63: disk mapper */ cdev_pppx_init(NPPPX,pppx), /* 64: pppx */ cdev_notdef(), /* 65: was urio */ cdev_notdef(), /* 66: was USB scanners */ cdev_fuse_init(NFUSE,fuse), /* 67: fuse */ cdev_tun_init(NTUN,tap), /* 68: Ethernet network tunnel */ cdev_notdef(), /* 69: was switch(4) */ cdev_fido_init(NFIDO,fido), /* 70: FIDO/U2F security key */ cdev_pppx_init(NPPPX,pppac), /* 71: PPP Access Concentrator */ cdev_ujoy_init(NUJOY,ujoy), /* 72: USB joystick/gamecontroller */ }; int nchrdev = nitems(cdevsw); int mem_no = 2; /* major device number of memory special file */ /* * Swapdev is a fake device implemented * in sw.c used only internally to get to swstrategy. * It cannot be provided to the users, because the * swstrategy routine munches the b_dev and b_blkno entries * before calling the appropriate driver. This would horribly * confuse, e.g. the hashing routines. Instead, /dev/drum is * provided as a character (raw) device. */ dev_t swapdev = makedev(1, 0); /* * Returns true if dev is /dev/mem or /dev/kmem. */ int iskmemdev(dev_t dev) { return (major(dev) == mem_no && minor(dev) < 2); } /* * Returns true if dev is /dev/zero. */ int iszerodev(dev_t dev) { return (major(dev) == mem_no && minor(dev) == 12); } dev_t getnulldev(void) { return makedev(mem_no, 2); } const int chrtoblktbl[] = { /*VCHR*/ /*VBLK*/ /* 0 */ NODEV, /* 1 */ NODEV, /* 2 */ NODEV, /* 3 */ NODEV, /* 4 */ NODEV, /* 5 */ NODEV, /* 6 */ NODEV, /* 7 */ NODEV, /* 8 */ 8, /* sd */ /* 9 */ 9, /* vnd */ /* 10 */ NODEV, /* 11 */ NODEV, /* 12 */ NODEV, /* 13 */ 3, /* cd */ /* 14 */ NODEV, /* 15 */ NODEV, /* 16 */ NODEV, /* 17 */ NODEV, /* 18 */ NODEV, /* 19 */ NODEV, /* 20 */ NODEV, /* 21 */ NODEV, /* 22 */ NODEV, /* 23 */ NODEV, /* 24 */ NODEV, /* 25 */ NODEV, /* 26 */ NODEV, /* 27 */ NODEV, /* 28 */ 6, /* rd */ /* 29 */ NODEV, /* 30 */ NODEV, /* 31 */ NODEV, /* 32 */ NODEV, /* 33 */ NODEV, /* 34 */ NODEV, /* 35 */ NODEV, /* 36 */ 0, /* 37 */ 4, /* fd */ }; const int nchrtoblktbl = nitems(chrtoblktbl);
