/* $OpenBSD: conf.c,v 1.41 2007/07/15 19:25:49 kettenis 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 "ccd.h"
#include "vnd.h"
#include "rd.h"
#include "sd.h"
#include "st.h"
#include "cd.h"
#include "ch.h"
#include "ss.h"
#include "uk.h"
#include "wd.h"
bdev_decl(wd);
cdev_decl(wd);
#if 0
#include "fd.h"
#else
#define NFD 0
#endif
bdev_decl(fd);
cdev_decl(fd);
struct bdevsw bdevsw[] =
{
bdev_swap_init(1,sw), /* 0: swap pseudo-device */
bdev_disk_init(NCCD,ccd), /* 1: concatenated disk driver */
bdev_disk_init(NVND,vnd), /* 2: vnode disk driver */
bdev_disk_init(NRD,rd), /* 3: RAM disk */
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_disk_init(NFD,fd), /* 7: floppy drive */
bdev_disk_init(NWD,wd), /* 8: ST506 drive */
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]);
#include "audio.h"
#include "bio.h"
#include "pty.h"
#include "wsdisplay.h"
#include "wskbd.h"
#include "wsmouse.h"
#include "wsmux.h"
#ifdef XFS
#include <xfs/nxfs.h>
cdev_decl(xfs_dev);
#endif
#include "inet.h"
#include "bpfilter.h"
#include "tun.h"
#include "ksyms.h"
#include "lpt.h"
cdev_decl(lpt);
#include "com.h"
cdev_decl(com);
#include "pf.h"
#include "systrace.h"
#include "hotplug.h"
#ifdef USER_PCICONF
#include "pci.h"
cdev_decl(pci);
#endif
#include "usb.h"
#include "uhid.h"
#include "ugen.h"
#include "ulpt.h"
#include "urio.h"
#include "ucom.h"
#include "uscanner.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_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 */
cdev_disk_init(NVND,vnd), /* 8: vnode disk driver */
cdev_disk_init(NRD,rd), /* 9: RAM disk */
cdev_disk_init(NSD,sd), /* 10: SCSI disk */
cdev_tape_init(NST,st), /* 11: SCSI tape */
cdev_disk_init(NCD,cd), /* 12: SCSI cd-rom */
cdev_ch_init(NCH,ch), /* 13: SCSI changer */
cdev_ss_init(NSS,ss), /* 14: SCSI scanner */
cdev_uk_init(NUK,uk), /* 15: SCSI unknown */
cdev_fd_init(1,filedesc), /* 16: file descriptor pseudo-device */
cdev_bpftun_init(NBPFILTER,bpf),/* 17: Berkeley packet filter */
cdev_bpftun_init(NTUN,tun), /* 18: network tunnel */
cdev_lkm_init(NLKM,lkm), /* 19: loadable module driver */
cdev_random_init(1,random), /* 20: random generator */
cdev_pf_init(NPF,pf), /* 21: packet filter */
cdev_tty_init(1,pdc), /* 22: PDC device */
cdev_tty_init(NCOM,com), /* 23: RS232 */
cdev_disk_init(NFD,fd), /* 24: floppy drive */
cdev_ksyms_init(NKSYMS,ksyms), /* 25: Kernel symbols device */
cdev_lpt_init(NLPT,lpt), /* 26: parallel printer */
cdev_wsdisplay_init(NWSDISPLAY, /* 27: workstation console */
wsdisplay),
cdev_mouse_init(NWSKBD,wskbd), /* 28: keyboards */
cdev_mouse_init(NWSMOUSE,wsmouse), /* 29: mice */
cdev_mouse_init(NWSMUX,wsmux), /* 30: mux */
#ifdef USER_PCICONF
cdev_pci_init(NPCI,pci), /* 31: PCI user */
#else
cdev_notdef(), /* 31: */
#endif
#ifdef XFS
cdev_xfs_init(NXFS,xfs_dev), /* 32: xfs communication device */
#else
cdev_notdef(),
#endif
cdev_notdef(), /* 33: ALTQ (deprecated) */
cdev_systrace_init(NSYSTRACE,systrace), /* 34: system call tracing */
cdev_audio_init(NAUDIO,audio), /* 35: /dev/audio */
cdev_crypto_init(NCRYPTO,crypto), /* 36: /dev/crypto */
cdev_bio_init(NBIO,bio), /* 37: ioctl tunnel */
cdev_ptm_init(NPTY,ptm), /* 38: pseudo-tty ptm device */
cdev_disk_init(NWD,wd), /* 39: ST506 disk */
cdev_usb_init(NUSB,usb), /* 40: USB controller */
cdev_usbdev_init(NUHID,uhid), /* 41: USB generic HID */
cdev_usbdev_init(NUGEN,ugen), /* 42: USB generic driver */
cdev_ulpt_init(NULPT,ulpt), /* 43: USB printers */
cdev_urio_init(NURIO,urio), /* 44: USB Diamond Rio 500 */
cdev_tty_init(NUCOM,ucom), /* 45: USB tty */
cdev_usbdev_init(NUSCANNER,uscanner), /* 46: USB scanners */
cdev_hotplug_init(NHOTPLUG,hotplug), /* 47: devices hot plugging */
cdev_lkm_dummy(), /* 48: */
cdev_lkm_dummy(), /* 49: */
cdev_lkm_dummy(), /* 50: */
cdev_lkm_dummy(), /* 51: */
cdev_lkm_dummy(), /* 52: */
cdev_lkm_dummy(), /* 53: */
};
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(0, 0);
int chrtoblktbl[] = {
/* 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 */ 1,
/* 8 */ 2,
/* 9 */ 3,
/* 10 */ 4,
/* 11 */ 5,
/* 12 */ 6,
/* 13 */ NODEV,
/* 14 */ NODEV,
/* 15 */ NODEV,
/* 16 */ NODEV,
/* 17 */ NODEV,
/* 18 */ NODEV,
/* 19 */ NODEV,
/* 20 */ NODEV,
/* 21 */ NODEV,
/* 22 */ NODEV,
/* 23 */ NODEV,
/* 24 */ 7,
/* 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 */ NODEV,
/* 42 */ NODEV,
/* 43 */ NODEV,
/* 44 */ NODEV,
/* 45 */ NODEV,
/* 46 */ NODEV
};
int nchrtoblktbl = sizeof(chrtoblktbl) / sizeof(chrtoblktbl[0]);
/*
* Returns true if dev is /dev/zero.
*/
int
iszerodev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) == 12);
}
dev_t
getnulldev()
{
return makedev(mem_no, 2);
}
/*
* Returns true if dev is /dev/mem or /dev/kmem.
*/
int
iskmemdev(dev)
dev_t dev;
{
return (major(dev) == mem_no && minor(dev) < 2);
}