/* $OpenBSD: conf.c,v 1.37 2022/10/15 10:12:13 jsg 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/vnode.h> #include <machine/conf.h> #include "bio.h" #include "pty.h" #include "bpfilter.h" #include "tun.h" #include "vnd.h" #include "rd.h" #include "cd.h" #include "ch.h" #include "sd.h" #include "st.h" #include "uk.h" #include "wd.h" #include "ksyms.h" #include "kstat.h" #include "audio.h" #include "com.h" #include "lcd.h" #include "pcex.h" #include "siotty.h" #include "xp.h" #include "wsdisplay.h" #include "wskbd.h" #include "wsmouse.h" #include "wsmux.h" #include "dt.h" #include "pf.h" #include "vscsi.h" #include "pppx.h" #include "fuse.h" struct bdevsw bdevsw[] = { bdev_notdef(), /* 0 */ bdev_notdef(), /* 1 */ bdev_notdef(), /* 2 */ bdev_swap_init(1,sw), /* 3: swap pseudo-device */ bdev_disk_init(NSD,sd), /* 4: SCSI disk */ bdev_notdef(), /* 5: was: SCSI tape */ bdev_disk_init(NCD,cd), /* 6: SCSI CD-ROM */ bdev_disk_init(NRD,rd), /* 7: ramdisk */ bdev_disk_init(NVND,vnd), /* 8: vnode disk driver */ bdev_disk_init(NWD,wd), /* 9: IDE disk (on PCMCIA) */ bdev_notdef(), /* 10 */ bdev_notdef(), /* 11 */ bdev_notdef(), /* 12 */ bdev_notdef(), /* 13 */ bdev_notdef(), /* 14 */ bdev_notdef(), /* 15 */ bdev_notdef(), /* 16 */ bdev_notdef(), /* 17 */ bdev_notdef(), /* 18 */ }; int nblkdev = nitems(bdevsw); 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_notdef(), /* 7 */ cdev_disk_init(NSD,sd), /* 8: SCSI disk */ cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */ cdev_lcd_init(NLCD,lcd), /* 10: /dev/lcd */ cdev_xp_init(NXP,xp), /* 11: HD647180XP */ cdev_tty_init(NSIOTTY,sio), /* 12: on-board UART (ttya) */ cdev_wsdisplay_init(NWSDISPLAY, /* 13: frame buffers, etc. */ wsdisplay), cdev_mouse_init(NWSKBD,wskbd), /* 14: keyboard */ cdev_mouse_init(NWSMOUSE, /* 15: mouse */ wsmouse), cdev_mouse_init(NWSMUX,wsmux), /* 16: ws multiplexor */ cdev_notdef(), /* 17: was: concatenated disk */ cdev_disk_init(NRD,rd), /* 18: ramdisk disk */ cdev_disk_init(NVND,vnd), /* 19: vnode disk */ cdev_tape_init(NST,st), /* 20: SCSI tape */ cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-dev */ cdev_bpf_init(NBPFILTER,bpf), /* 22: berkeley packet filter */ cdev_tun_init(NTUN,tun), /* 23: network tunnel */ cdev_notdef(), /* 24 was LKM */ cdev_pcex_init(NPCEX, pcex), /* 25: PC-9801 extension board slot */ cdev_audio_init(NAUDIO, audio), /* 26: generic audio I/O */ cdev_tty_init(NCOM, com), /* 27: serial port (on PCMCIA) */ cdev_disk_init(NWD,wd), /* 28: IDE disk (on PCMCIA) */ cdev_notdef(), /* 29 */ cdev_dt_init(NDT,dt), /* 30: dynamic tracer */ cdev_notdef(), /* 31 */ cdev_notdef(), /* 32 */ cdev_notdef(), /* 33 */ cdev_notdef(), /* 34 */ cdev_notdef(), /* 35 */ cdev_notdef(), /* 36 */ cdev_notdef(), /* 37 */ cdev_notdef(), /* 38 */ cdev_pf_init(NPF,pf), /* 39: packet filter */ cdev_random_init(1,random), /* 40: random data source */ cdev_uk_init(NUK,uk), /* 41 */ cdev_notdef(), /* 42 */ cdev_ksyms_init(NKSYMS,ksyms), /* 43: Kernel symbols device */ cdev_ch_init(NCH,ch), /* 44: SCSI autochanger */ cdev_fuse_init(NFUSE,fuse), /* 45: fuse */ cdev_notdef(), /* 46 */ cdev_notdef(), /* 47 */ cdev_notdef(), /* 48 */ cdev_bio_init(NBIO,bio), /* 49: ioctl tunnel */ cdev_notdef(), /* 50 */ cdev_kstat_init(NKSTAT,kstat), /* 51: kernel statistics */ cdev_ptm_init(NPTY,ptm), /* 52: pseudo-tty ptm device */ cdev_vscsi_init(NVSCSI,vscsi), /* 53: vscsi */ cdev_disk_init(1,diskmap), /* 54: disk mapper */ cdev_pppx_init(NPPPX,pppx), /* 55: pppx */ cdev_tun_init(NTUN,tap), /* 56: Ethernet network tunnel */ cdev_notdef(), /* 57: was switch(4) */ cdev_pppx_init(NPPPX,pppac), /* 58: PPP Access Concentrator */ }; 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(3, 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 */ 4, /* sd */ /* 9 */ 6, /* cd */ /* 10 */ NODEV, /* 11 */ NODEV, /* 12 */ NODEV, /* 13 */ NODEV, /* 14 */ NODEV, /* 15 */ NODEV, /* 16 */ NODEV, /* 17 */ NODEV, /* 18 */ 7, /* rd */ /* 19 */ 8, /* vnd */ }; const int nchrtoblktbl = nitems(chrtoblktbl);
