281 lines
7.4 KiB
C
281 lines
7.4 KiB
C
/* $NetBSD: conf.c,v 1.1.1.1 1998/06/09 07:53:05 dbj Exp $ */
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/*
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/*-
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* Derived a long time ago from
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* @(#)conf.c 7.9 (Berkeley) 5/28/91
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*/
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/buf.h>
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#include <sys/ioctl.h>
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#include <sys/tty.h>
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#include <sys/conf.h>
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#include <sys/vnode.h>
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#include <dev/cons.h>
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#include "ccd.h"
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#include "cd.h"
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#include "ch.h"
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#include "md.h"
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#include "sd.h"
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#include "st.h"
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#include "vnd.h"
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/* No cdev for md */
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bdev_decl(ccd);
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bdev_decl(cd);
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bdev_decl(ch);
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bdev_decl(md);
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bdev_decl(sd);
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bdev_decl(st);
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bdev_decl(sw);
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bdev_decl(vnd);
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struct bdevsw bdevsw[] =
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{
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bdev_notdef(), /* 0 */
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bdev_notdef(), /* 1 */
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bdev_notdef(), /* 2 */
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bdev_swap_init(1,sw), /* 3: swap pseudo-device */
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bdev_disk_init(NSD,sd), /* 4: SCSI disk */
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bdev_tape_init(NST,st), /* 5: SCSI tape */
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bdev_disk_init(NCD,cd), /* 6: SCSI CD-ROM */
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bdev_notdef(), /* 7 */
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bdev_disk_init(NVND,vnd), /* 8: vnode disk driver */
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bdev_disk_init(NCCD,ccd), /* 9: concatenated disk driver */
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bdev_notdef(), /* 10 */
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bdev_notdef(), /* 11 */
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bdev_notdef(), /* 12 */
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bdev_disk_init(NMD,md), /* 13: memory disk -- for install */
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bdev_lkm_dummy(), /* 14 */
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bdev_lkm_dummy(), /* 15 */
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bdev_lkm_dummy(), /* 16 */
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bdev_lkm_dummy(), /* 17 */
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bdev_lkm_dummy(), /* 18 */
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bdev_lkm_dummy(), /* 19 */
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};
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int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
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#include "bpfilter.h"
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#include "ch.h"
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#include "ipfilter.h"
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#include "pty.h"
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#include "rnd.h"
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#include "se.h"
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#include "ss.h"
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#include "tun.h"
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#include "uk.h"
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#include "zsc.h"
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#include "zstty.h"
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cdev_decl(bpf);
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cdev_decl(ccd);
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cdev_decl(ch);
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cdev_decl(cn);
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cdev_decl(ctty);
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cdev_decl(fd);
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cdev_decl(ipl);
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cdev_decl(log);
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cdev_decl(md);
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#define mmread mmrw
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#define mmwrite mmrw
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cdev_decl(mm);
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#define ptcioctl ptyioctl
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#define ptctty ptytty
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cdev_decl(ptc);
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#define ptsioctl ptyioctl
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#define ptstty ptytty
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cdev_decl(pts);
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cdev_decl(sd);
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cdev_decl(se);
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cdev_decl(ss);
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cdev_decl(st);
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cdev_decl(sw);
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cdev_decl(tun);
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cdev_decl(uk);
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cdev_decl(vnd);
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cdev_decl(zs);
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cdev_decl(zsc);
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dev_decl(filedesc,open);
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struct cdevsw cdevsw[] =
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{
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cdev_cn_init(1,cn), /* 0: virtual console */
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cdev_ctty_init(1,ctty), /* 1: controlling terminal */
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cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */
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cdev_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
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cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
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cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
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cdev_log_init(1,log), /* 6: /dev/klog */
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cdev_notdef(), /* 7 */
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cdev_notdef(), /* 8 */
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cdev_notdef(), /* 9 */
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cdev_notdef(), /* 10 */
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cdev_notdef(), /* 11 */
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cdev_tty_init(NZSTTY,zs), /* 12: 2 mac serial ports -- BG*/
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cdev_disk_init(NSD,sd), /* 13: SCSI disk */
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cdev_tape_init(NST,st), /* 14: SCSI tape */
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cdev_disk_init(NCD,cd), /* 15: SCSI CD-ROM */
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cdev_notdef(), /* 16 */
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cdev_ch_init(NCH,ch), /* 17: SCSI autochanger */
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cdev_notdef(), /* 18 */
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cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */
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cdev_disk_init(NCCD,ccd), /* 20: concatenated disk driver */
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cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-device */
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cdev_bpftun_init(NBPFILTER,bpf),/* 22: Berkeley packet filter */
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cdev_notdef(), /* 23 */
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cdev_bpftun_init(NTUN,tun), /* 24: network tunnel */
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cdev_lkm_init(NLKM,lkm), /* 25: loadable module driver */
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cdev_lkm_dummy(), /* 26 */
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cdev_lkm_dummy(), /* 27 */
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cdev_lkm_dummy(), /* 28 */
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cdev_lkm_dummy(), /* 29 */
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cdev_lkm_dummy(), /* 30 */
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cdev_lkm_dummy(), /* 31 */
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cdev_disk_init(NMD,md), /* 32: memory disk driver */
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cdev_scanner_init(NSS,ss), /* 33: SCSI scanner */
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cdev_uk_init(NUK,uk), /* 34: SCSI unknown */
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cdev_ipf_init(NIPFILTER,ipl), /* 35: ip-filter device */
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cdev_lkm_dummy(), /* 36 */
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cdev_se_init(NSE, se), /* 37: SCSI ethernet */
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cdev_rnd_init(NRND, rnd), /* 38: random source pseudo-device */
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};
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int nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
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int mem_no = 2; /* major device number of memory special file */
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/*
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* Swapdev is a fake device implemented
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* in sw.c used only internally to get to swstrategy.
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* It cannot be provided to the users, because the
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* swstrategy routine munches the b_dev and b_blkno entries
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* before calling the appropriate driver. This would horribly
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* confuse, e.g. the hashing routines. Instead, /dev/drum is
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* provided as a character (raw) device.
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*/
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dev_t swapdev = makedev(3, 0);
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/*
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* Returns true if dev is /dev/mem or /dev/kmem.
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*/
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int
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iskmemdev(dev)
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dev_t dev;
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{
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return (major(dev) == mem_no && minor(dev) < 2);
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}
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/*
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* Returns true if dev is /dev/zero.
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*/
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int
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iszerodev(dev)
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dev_t dev;
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{
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return (major(dev) == mem_no && minor(dev) == 12);
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}
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static int chrtoblktab[] = {
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/* XXXX This needs to be dynamic for LKMs. */
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/*VCHR*/ /*VBLK*/
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/* 0 */ NODEV,
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/* 1 */ NODEV,
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/* 2 */ NODEV,
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/* 3 */ 3,
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/* 4 */ NODEV,
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/* 5 */ NODEV,
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/* 6 */ NODEV,
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/* 7 */ NODEV,
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/* 8 */ NODEV,
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/* 9 */ NODEV,
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/* 10 */ NODEV,
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/* 11 */ NODEV,
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/* 12 */ NODEV,
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/* 13 */ 4,
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/* 14 */ 5,
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/* 15 */ 6,
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/* 16 */ NODEV,
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/* 17 */ NODEV,
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/* 18 */ NODEV,
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/* 19 */ 8,
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/* 20 */ 9,
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/* 21 */ NODEV,
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/* 22 */ NODEV,
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/* 23 */ NODEV,
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/* 24 */ NODEV,
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/* 25 */ NODEV,
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/* 26 */ NODEV,
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/* 27 */ NODEV,
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/* 28 */ NODEV,
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/* 29 */ NODEV,
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/* 30 */ NODEV,
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/* 31 */ NODEV,
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/* 32 */ 32,
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/* 33 */ NODEV,
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/* 34 */ NODEV,
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/* 35 */ NODEV,
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/* 36 */ NODEV,
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/* 37 */ NODEV,
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/* 38 */ NODEV,
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};
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dev_t
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chrtoblk(dev)
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dev_t dev;
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{
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int blkmaj;
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if (major(dev) >= nchrdev)
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return NODEV;
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blkmaj = chrtoblktab[major(dev)];
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if (blkmaj == NODEV)
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return NODEV;
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return (makedev(blkmaj, minor(dev)));
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}
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#define zscnpollc nullcnpollc
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cons_decl(zs);
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struct consdev constab[] = {
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#if NZSTTY > 0
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cons_init(zs),
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#endif
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{ 0 },
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};
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