text: /*	$NetBSD: conf.c,v 1.5 2000/04/19 15:56:27 tsubai Exp $	*/
  
  /*
   * Copyright (c) 1994, 1995 Charles M. Hannum.  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. All advertising materials mentioning features or use of this software
   *    must display the following acknowledgement:
   *	This product includes software developed by Charles Hannum.
   * 4. The name of the author may not be used to endorse or promote products
   *    derived from this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
   */
  
  #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 <machine/conf.h>
  
  #include "wd.h"
  bdev_decl(wd);
  bdev_decl(sw);
  #include "sd.h"
  bdev_decl(sd);
  #include "st.h"
  bdev_decl(st);
  #include "cd.h"
  bdev_decl(cd);
  #include "vnd.h"
  bdev_decl(vnd);
  #include "ccd.h"
  bdev_decl(ccd);
  #include "raid.h"
  bdev_decl(raid);
  #include "md.h"
  bdev_decl(md);
  
  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 floppy diskette) */
  	bdev_notdef(),			/* 3 (was QIC-02/QIC-36 tape) */
  	bdev_disk_init(NSD,sd),		/* 4: SCSI disk */
  	bdev_tape_init(NST,st),		/* 5: SCSI tape */
  	bdev_disk_init(NCD,cd),		/* 6: SCSI CD-ROM */
  	bdev_notdef(),			/* 7 (was Mitsumi CD-ROM) */
  	bdev_lkm_dummy(),		/* 8 */
  	bdev_lkm_dummy(),		/* 9 */
  	bdev_lkm_dummy(),		/* 10 */
  	bdev_lkm_dummy(),		/* 11 */
  	bdev_lkm_dummy(),		/* 12 */
  	bdev_lkm_dummy(),		/* 13 */
  	bdev_disk_init(NVND,vnd),	/* 14: vnode disk driver */
  	bdev_notdef(),			/* 15 (was Sony CD-ROM) */
  	bdev_disk_init(NCCD,ccd),	/* 16: concatenated disk driver */
  	bdev_disk_init(NMD,md),		/* 17: memory disk driver */
  	bdev_disk_init(NRAID,raid),	/* 18: RAIDframe disk driver */
  };
  int	nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
  
  cdev_decl(cn);
  cdev_decl(ctty);
  #define	mmread	mmrw
  #define	mmwrite	mmrw
  cdev_decl(mm);
  #include "wdog.h"
  cdev_decl(wdog);
  cdev_decl(wd);
  cdev_decl(sw);
  #include "pty.h"
  #define	ptstty		ptytty
  #define	ptsioctl	ptyioctl
  cdev_decl(pts);
  #define	ptctty		ptytty
  #define	ptcioctl	ptyioctl
  cdev_decl(ptc);
  cdev_decl(log);
  #include "com.h"
  cdev_decl(com);
  cdev_decl(fd);
  cdev_decl(sd);
  cdev_decl(st);
  #include "ss.h"
  cdev_decl(ss);
  #include "uk.h"
  cdev_decl(uk);
  cdev_decl(cd);
  #include "ch.h"
  cdev_decl(ch);
  dev_decl(filedesc,open);
  #include "bpfilter.h"
  cdev_decl(bpf);
  cdev_decl(md);
  #include "cy.h"
  cdev_decl(cy);
  #include "tun.h"
  cdev_decl(tun);
  cdev_decl(vnd);
  #include "audio.h"
  cdev_decl(audio);
  cdev_decl(svr4_net);
  cdev_decl(ccd);
  cdev_decl(raid);
  #include "vcoda.h"
  cdev_decl(vc_nb_);
  
  #include "esh.h"
  cdev_decl(esh_fp);
  #include "scsibus.h"
  cdev_decl(scsibus);
  
  #include "ipfilter.h"
  #include "rnd.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_disk_init(NWD,wd),		/* 3: ST506/ESDI/IDE disk */
  	cdev_swap_init(1,sw),		/* 4: /dev/drum (swap pseudo-device) */
  	cdev_tty_init(NPTY,pts),	/* 5: pseudo-tty slave */
  	cdev_ptc_init(NPTY,ptc),	/* 6: pseudo-tty master */
  	cdev_log_init(1,log),		/* 7: /dev/klog */
  	cdev_tty_init(NCOM,com),	/* 8: serial port */
  	cdev_notdef(),			/* 9 (was floppy disk) */
  	cdev_notdef(),			/* 10 (was QIC-02/QIC-36 tape) */
  	cdev_notdef(),			/* 11: */
  	cdev_notdef(),			/* 12: (was PC console) */
  	cdev_disk_init(NSD,sd),		/* 13: SCSI disk */
  	cdev_tape_init(NST,st),		/* 14: SCSI tape */
  	cdev_disk_init(NCD,cd),		/* 15: SCSI CD-ROM */
  	cdev_notdef(),			/* 16: (was parallel printer) */
  	cdev_ch_init(NCH,ch),		/* 17: SCSI autochanger */
  	cdev_disk_init(NCCD,ccd),	/* 18: concatenated disk driver */
  	cdev_scanner_init(NSS,ss),	/* 19: SCSI scanner */
  	cdev_uk_init(NUK,uk),		/* 20: SCSI unknown */
  	cdev_notdef(),			/* 21 (was APM) */
  	cdev_fd_init(1,filedesc),	/* 22: file descriptor pseudo-device */
  	cdev_bpftun_init(NBPFILTER,bpf),/* 23: Berkeley packet filter */
  	cdev_disk_init(NMD,md),		/* 24: memory disk driver */
  	cdev_notdef(),			/* 25 */
  	cdev_notdef(),			/* 26 (was joystick) */
  	cdev_notdef(),			/* 27 (was PC speaker) */
  	cdev_lkm_init(NLKM,lkm),	/* 28: loadable module driver */
  	cdev_lkm_dummy(),		/* 29 */
  	cdev_lkm_dummy(),		/* 30 */
  	cdev_lkm_dummy(),		/* 31 */
  	cdev_lkm_dummy(),		/* 32 */
  	cdev_lkm_dummy(),		/* 33 */
  	cdev_lkm_dummy(),		/* 34 */
  	cdev_notdef(),			/* 35 (was Microsoft mouse) */
  	cdev_notdef(),			/* 36 (was Logitech mouse) */
  	cdev_notdef(),			/* 37 (was PS/2 mouse) */
  	cdev_notdef(),			/* 38 (was Cyclom serial port) */
  	cdev_notdef(),			/* 39 (was Mitsumi CD-ROM) */
  	cdev_bpftun_init(NTUN,tun),	/* 40: network tunnel */
  	cdev_disk_init(NVND,vnd),	/* 41: vnode disk driver */
  	cdev_audio_init(NAUDIO,audio),	/* 42: generic audio I/O */
  	cdev_notdef(),			/* 43 */
  	cdev_ipf_init(NIPFILTER,ipl),	/* 44: ip-filter device */
  	cdev_notdef(),			/* 45 (was planetconnect satlink) */
  	cdev_rnd_init(NRND,rnd),	/* 46: random source pseudo-device */
  	cdev_vc_nb_init(NVCODA,vc_nb_),	/* 47: coda file system psdev */
  	cdev_scsibus_init(NSCSIBUS,scsibus), /* 48: SCSI bus */
  	cdev_disk_init(NRAID,raid),	/* 49: RAIDframe disk driver */
  	cdev_esh_init(NESH, esh_fp),	/* 50: HIPPI (esh) raw device */
  	cdev_wdog_init(NWDOG,wdog),	/* 51: watchdog timer */
  };
  int	nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
  
  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)
  	dev_t dev;
  {
  
  	return (major(dev) == mem_no && (minor(dev) < 2 || minor(dev) == 14));
  }
  
  /*
   * Returns true if dev is /dev/zero.
   */
  int
  iszerodev(dev)
  	dev_t dev;
  {
  
  	return (major(dev) == mem_no && minor(dev) == 12);
  }
  
  static int chrtoblktbl[] = {
  	/* XXXX This needs to be dynamic for LKMs. */
  	/*VCHR*/	/*VBLK*/
  	/*  0 */	NODEV,
  	/*  1 */	NODEV,
  	/*  2 */	NODEV,
  	/*  3 */	0,
  	/*  4 */	NODEV,
  	/*  5 */	NODEV,
  	/*  6 */	NODEV,
  	/*  7 */	NODEV,
  	/*  8 */	NODEV,
  	/*  9 */	NODEV,
  	/* 10 */	NODEV,
  	/* 11 */	NODEV,
  	/* 12 */	NODEV,
  	/* 13 */	4,
  	/* 14 */	5,
  	/* 15 */	6,
  	/* 16 */	NODEV,
  	/* 17 */	NODEV,
  	/* 18 */	16,
  	/* 19 */	NODEV,
  	/* 20 */	NODEV,
  	/* 21 */	NODEV,
  	/* 22 */	NODEV,
  	/* 23 */	NODEV,
  	/* 24 */	17,
  	/* 25 */	NODEV,
  	/* 26 */	NODEV,
  	/* 27 */	NODEV,
  	/* 28 */	NODEV,
  	/* 29 */	NODEV,
  	/* 30 */	NODEV,
  	/* 31 */	NODEV,
  	/* 32 */	NODEV,
  	/* 33 */	NODEV,
  	/* 34 */	NODEV,
  	/* 35 */	NODEV,
  	/* 36 */	NODEV,
  	/* 37 */	NODEV,
  	/* 38 */	NODEV,
  	/* 39 */	NODEV,
  	/* 40 */	NODEV,
  	/* 41 */	14,
  	/* 42 */	NODEV,
  	/* 43 */	NODEV,
  	/* 44 */	NODEV,
  	/* 45 */	NODEV,
  	/* 46 */	NODEV,
  	/* 47 */	NODEV,
  	/* 48 */	NODEV,
  	/* 49 */	NODEV,
  	/* 50 */	NODEV,
  };
  
  /*
   * Convert a character device number to a block device number.
   */
  dev_t
  chrtoblk(dev)
  	dev_t dev;
  {
  	int blkmaj;
  
  	if (major(dev) >= nchrdev)
  		return (NODEV);
  	blkmaj = chrtoblktbl[major(dev)];
  	if (blkmaj == NODEV)
  		return (NODEV);
  	return (makedev(blkmaj, minor(dev)));
  }
  
  #include <dev/cons.h>
  
  #define scicnpollc	nullcnpollc
  cons_decl(sci);
  cons_decl(com);
  
  struct consdev constab[] = {
  #if NSCI > 0
  	cons_init(sci),
  #endif
  #if NCOM > 0
  	cons_init(com),
  #endif
  	{ 0 },
  };
  