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/* $OpenBSD: conf.c,v 1.3 1996/02/21 12:53:41 mickey 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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 <dev/cons.h>
#ifdef BANKEDDEVPAGER
#include <sys/bankeddev.h>
#endif
int ttselect __P((dev_t, int, struct proc *));
#ifndef LKM
#define lkmenodev enodev
#else
int lkmenodev();
#endif
bdev_decl(sw);
#include "vnd.h"
bdev_decl(vnd);
#include "sd.h"
bdev_decl(sd);
#include "cd.h"
bdev_decl(cd);
#include "st.h"
bdev_decl(st);
#include "fd.h"
#define fdopen Fdopen /* conflicts with fdopen() in kern_descrip.c */
bdev_decl(fd);
#undef fdopen
#include "ccd.h"
bdev_decl(ccd);
struct bdevsw bdevsw[] =
{
bdev_notdef(), /* 0 */
bdev_notdef(), /* 1 */
#define fdopen Fdopen /* conflicts with fdopen() in kern_descrip.c */
bdev_disk_init(NFD,fd), /* 2: floppy disk */
#undef fdopen
bdev_swap_init(1,sw), /* 3: swap pseudo-device */
bdev_disk_init(NSD,sd), /* 4: SCSI disk */
bdev_tape_init(NST,st), /* 5: SCSI tape */
bdev_disk_init(NVND,vnd), /* 6: vnode disk driver */
bdev_disk_init(NCD,cd), /* 7: SCSI CD-ROM */
bdev_disk_init(NCCD,ccd), /* 8: concatenated disk driver */
bdev_lkm_dummy(), /* 9 */
bdev_lkm_dummy(), /* 10 */
bdev_lkm_dummy(), /* 11 */
bdev_lkm_dummy(), /* 12 */
bdev_lkm_dummy(), /* 13 */
bdev_lkm_dummy(), /* 14 */
};
int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
/* open, close, ioctl, select, mmap -- XXX should be a map device */
#define cdev_grf_init(c,n) { \
dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) nullop, \
(dev_type_write((*))) nullop, dev_init(c,n,ioctl), \
(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
dev_init(c,n,mmap) }
/* open, close, ioctl, select, mmap -- XXX should be a map device */
#define cdev_view_init(c,n) { \
dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) nullop, \
(dev_type_write((*))) nullop, dev_init(c,n,ioctl), \
(dev_type_stop((*))) enodev, 0, dev_init(c,n,select), \
dev_init(c,n,mmap) }
/* open, close, read, write, ioctl -- XXX should be a generic device */
#define cdev_par_init(c,n) { \
dev_init(c,n,open), dev_init(c,n,close), dev_init(c,n,read), \
dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \
0, (dev_type_select((*))) enodev, (dev_type_mmap((*))) enodev }
cdev_decl(cn);
cdev_decl(ctty);
#define mmread mmrw
#define mmwrite mmrw
cdev_decl(mm);
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);
cdev_decl(sd);
cdev_decl(cd);
#include "grf.h"
cdev_decl(grf);
#include "par.h"
cdev_decl(par);
#include "ser.h"
cdev_decl(ser);
#include "msc.h"
cdev_decl(msc);
#include "ite.h"
cdev_decl(ite);
#include "kbd.h"
cdev_decl(kbd);
#include "mouse.h"
cdev_decl(ms);
#include "view.h"
cdev_decl(view);
#include "mfcs.h"
cdev_decl(mfcs);
#define fdopen Fdopen /* conflicts with fdopen() in kern_descrip.c */
cdev_decl(fd);
#undef fdopen
cdev_decl(vnd);
cdev_decl(ccd);
cdev_decl(st);
dev_decl(fd,open);
#include "bpfilter.h"
cdev_decl(bpf);
#include "tun.h"
cdev_decl(tun);
#ifdef LKM
#define NLKM 1
#else
#define NLKM 0
#endif
cdev_decl(lkm);
/* open, close, read, ioctl */
cdev_decl(ipl);
#ifdef IPFILTER
#define NIPF 1
#else
#define NIPF 0
#endif
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_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
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_disk_init(NCCD,ccd), /* 7: concatenated disk driver */
cdev_disk_init(NSD,sd), /* 8: SCSI disk */
cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */
cdev_grf_init(NGRF,grf), /* 10: frame buffer */
cdev_par_init(NPAR,par), /* 11: parallel interface */
cdev_tty_init(NSER,ser), /* 12: built-in single-port serial */
cdev_tty_init(NITE,ite), /* 13: console terminal emulator */
cdev_mouse_init(NKBD,kbd), /* 14: /dev/kbd */
cdev_mouse_init(NMOUSE,ms), /* 15: /dev/mouse0 /dev/mouse1 */
cdev_view_init(NVIEW,view), /* 16: /dev/view00 /dev/view01 ... */
cdev_tty_init(NMFCS,mfcs), /* 17: MultiFaceCard III serial */
#define fdopen Fdopen /* conflicts with fdopen() in kern_descrip.c */
cdev_disk_init(NFD,fd), /* 18: floppy disk */
#undef fdopen
cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */
cdev_tape_init(NST,st), /* 20: SCSI tape */
cdev_fd_init(1,fd), /* 21: file descriptor pseudo-dev */
cdev_bpftun_init(NBPFILTER,bpf),/* 22: Berkeley packet filter */
cdev_bpftun_init(NTUN,tun), /* 23: network tunnel */
cdev_lkm_init(NLKM,lkm), /* 24: loadable module driver */
cdev_lkm_dummy(), /* 25 */
cdev_lkm_dummy(), /* 26 */
cdev_lkm_dummy(), /* 27 */
cdev_lkm_dummy(), /* 28 */
cdev_lkm_dummy(), /* 29 */
cdev_lkm_dummy(), /* 30 */
cdev_tty_init(NMSC,msc), /* 31: A2232 MSC Multiport serial */
cdev_gen_ipf(NIPF,ipl), /* 32: IP filter log */
};
int nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
#ifdef BANKEDDEVPAGER
extern int grfbanked_get __P((int, int, int));
extern int grfbanked_set __P((int, int));
extern int grfbanked_cur __P((int));
struct bankeddevsw bankeddevsw[sizeof (cdevsw) / sizeof (cdevsw[0])] = {
{ 0, 0, 0 }, /* 0 */
{ 0, 0, 0 }, /* 1 */
{ 0, 0, 0 }, /* 2 */
{ 0, 0, 0 }, /* 3 */
{ 0, 0, 0 }, /* 4 */
{ 0, 0, 0 }, /* 5 */
{ 0, 0, 0 }, /* 6 */
{ 0, 0, 0 }, /* 7 */
{ 0, 0, 0 }, /* 8 */
{ 0, 0, 0 }, /* 9 */
{ grfbanked_get, grfbanked_cur, grfbanked_set }, /* 10 */
/* rest { 0, 0, 0 } */
};
#endif
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.
*/
iskmemdev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) < 2);
}
/*
* Returns true if dev is /dev/zero.
*/
int
iszerodev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) == 12);
}
static int chrtoblktab[] = {
/* XXXX This needs to be dynamic for LKMs. */
/*VCHR*/ /*VBLK*/
/* 0 */ NODEV,
/* 1 */ NODEV,
/* 2 */ NODEV,
/* 3 */ NODEV,
/* 4 */ NODEV,
/* 5 */ NODEV,
/* 6 */ NODEV,
/* 7 */ 8,
/* 8 */ 4,
/* 9 */ 7,
/* 10 */ NODEV,
/* 11 */ NODEV,
/* 12 */ NODEV,
/* 13 */ NODEV,
/* 14 */ NODEV,
/* 15 */ NODEV,
/* 16 */ NODEV,
/* 17 */ NODEV,
/* 18 */ 2,
/* 19 */ 6,
/* 20 */ 5,
/* 21 */ NODEV,
/* 22 */ NODEV,
/* 23 */ NODEV,
/* 24 */ NODEV,
/* 25 */ NODEV,
/* 26 */ NODEV,
/* 27 */ NODEV,
/* 28 */ NODEV,
/* 29 */ NODEV,
/* 30 */ NODEV,
+ /* 31 */ NODEV,
};
/*
* Convert a character device number to a block device number.
*/
chrtoblk(dev)
dev_t dev;
{
int blkmaj;
if (major(dev) >= nchrdev)
return(NODEV);
blkmaj = chrtoblktab[major(dev)];
if (blkmaj == NODEV)
return(NODEV);
return (makedev(blkmaj, minor(dev)));
}
/*
* This entire table could be autoconfig()ed but that would mean that
* the kernel's idea of the console would be out of sync with that of
* the standalone boot. I think it best that they both use the same
* known algorithm unless we see a pressing need otherwise.
*/
cons_decl(ser);
cons_decl(ite);
struct consdev constab[] = {
#if NSER > 0
cons_init(ser),
#endif
#if NITE > 0
cons_init(ite),
#endif
{ 0 },
};
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