/* $NetBSD: conf.c,v 1.42 1997/01/07 11:35:03 mrg 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 #include #include #include #include #include #include #include #include #ifdef BANKEDDEVPAGER #include #endif #include "vnd.h" #include "sd.h" #include "cd.h" #include "st.h" #include "fd.h" #include "ccd.h" #include "ss.h" #include "ch.h" #include "uk.h" struct bdevsw bdevsw[] = { bdev_notdef(), /* 0 */ bdev_notdef(), /* 1 */ bdev_disk_init(NFD,fd), /* 2: floppy disk */ 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]); #include "pty.h" #include "grf.h" #include "par.h" #include "ser.h" #include "msc.h" #include "ite.h" #include "kbd.h" #include "ms.h" #include "view.h" #include "mfcs.h" #include "drcom.h" dev_decl(filedesc,open); #include "bpfilter.h" #include "tun.h" #include "ipfilter.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 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(NMS,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 */ cdev_disk_init(NFD,fd), /* 18: floppy disk */ cdev_disk_init(NVND,vnd), /* 19: vnode disk driver */ cdev_tape_init(NST,st), /* 20: SCSI tape */ cdev_fd_init(1,filedesc), /* 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_tty_init(NDRCOM,drcom), /* 32: DraCo com ports */ cdev_lkm_dummy(), /* 33 */ cdev_lkm_dummy(), /* 34 */ cdev_lkm_dummy(), /* 35 */ cdev_lkm_dummy(), /* 36 */ cdev_scanner_init(NSS,ss), /* 37: SCSI scanner */ cdev_ch_init(NCH,ch), /* 38: SCSI autochanger */ cdev_uk_init(NUK,uk), /* 39: SCSI unknown */ cdev_ipf_init(NIPFILTER,ipl), /* 40: ip-filter device */ }; 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. */ int 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, /* ccd */ /* 8 */ 4, /* sd */ /* 9 */ 7, /* cd */ /* 10 */ NODEV, /* 11 */ NODEV, /* 12 */ NODEV, /* 13 */ NODEV, /* 14 */ NODEV, /* 15 */ NODEV, /* 16 */ NODEV, /* 17 */ NODEV, /* 18 */ 2, /* fd */ /* 19 */ 6, /* vnd */ /* 20 */ 5, /* st */ /* 21 */ NODEV, /* 22 */ NODEV, /* 23 */ NODEV, /* 24 */ NODEV, /* 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, }; /* * Convert a character device number to a block device number. */ int 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 }, };