/* $OpenBSD: conf.c,v 1.41 2007/05/28 22:26:03 todd Exp $ */ /*- * Copyright (c) 1995 Theo de Raadt * * 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. * * 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. * * 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 #include #include #include #include #include #include #include "st.h" #include "sd.h" #include "cd.h" #include "ch.h" #include "ss.h" #include "uk.h" #ifdef notyet #include "xd.h" bdev_decl(xd); #endif #include "vnd.h" #include "ccd.h" #include "rd.h" struct bdevsw bdevsw[] = { bdev_notdef(), /* 0 */ bdev_notdef(), /* 1 */ bdev_notdef(), /* 2 */ bdev_swap_init(1,sw), /* 3: swap pseudo-device */ bdev_disk_init(NSD,sd), /* 4: SCSI disk */ bdev_disk_init(NCCD,ccd), /* 5: concatenated disk driver */ bdev_disk_init(NVND,vnd), /* 6: vnode disk driver */ bdev_tape_init(NST,st), /* 7: SCSI tape */ bdev_disk_init(NCD,cd), /* 8: SCSI CD-ROM */ bdev_disk_init(NRD,rd), /* 9: RAM disk - for install tape */ #ifdef notyet bdev_disk_init(NXD,xd), /* 10: XD disk */ #else bdev_notdef(), /* 10 */ #endif bdev_notdef(), /* 11 */ bdev_notdef(), /* 12 */ bdev_lkm_dummy(), /* 13 */ bdev_lkm_dummy(), /* 14 */ bdev_lkm_dummy(), /* 15 */ bdev_lkm_dummy(), /* 16 */ bdev_lkm_dummy(), /* 17 */ bdev_lkm_dummy(), /* 18 */ }; int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]); #include "sram.h" #include "vmel.h" #include "vmes.h" #include "nvram.h" #include "flash.h" #include "bio.h" #include "pty.h" cdev_decl(fd); #include "zs.h" #include "cl.h" #include "wl.h" /* open, close, write, ioctl */ #define cdev_lp_init(c,n) { \ dev_init(c,n,open), dev_init(c,n,close), (dev_type_read((*))) enodev, \ dev_init(c,n,write), dev_init(c,n,ioctl), (dev_type_stop((*))) enodev, \ 0, seltrue, (dev_type_mmap((*))) enodev } /* open, close, ioctl, mmap, ioctl */ #define cdev_mdev_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_poll((*))) enodev, \ dev_init(c,n,mmap) } #include "lp.h" #include "lptwo.h" cdev_decl(lptwo); #ifdef XFS #include cdev_decl(xfs_dev); #endif #include "ksyms.h" #ifdef notyet cdev_decl(xd); #endif #include "bpfilter.h" #include "tun.h" #include "pf.h" #include "systrace.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_mdev_init(NSRAM,sram), /* 7: /dev/sramX */ cdev_disk_init(NSD,sd), /* 8: SCSI disk */ cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */ cdev_mdev_init(NNVRAM,nvram), /* 10: /dev/nvramX */ cdev_mdev_init(NFLASH,flash), /* 11: /dev/flashX */ cdev_tty_init(NZS,zs), /* 12: SCC serial (tty[a-d]) */ cdev_tty_init(NCL,cl), /* 13: CL-CD2400 serial (tty0[0-3]) */ cdev_notdef(), /* 14 */ cdev_notdef(), /* 15 */ cdev_notdef(), /* 16 */ cdev_disk_init(NCCD,ccd), /* 17: concatenated disk */ cdev_disk_init(NRD,rd), /* 18: ramdisk device */ cdev_disk_init(NVND,vnd), /* 19: vnode disk */ 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_notdef(), /* 25 */ #ifdef notyet cdev_disk_init(NXD,xd), /* 26: XD disk */ #else cdev_notdef(), /* 26 */ #endif cdev_bio_init(NBIO,bio), /* 27: ioctl tunnel */ cdev_lp_init(NLP,lp), /* 28: lp */ cdev_lp_init(NLPTWO,lptwo), /* 29: lptwo */ cdev_tty_init(NWL,wl), /* 30: WG CL-CD2400 serial (ttywX) */ cdev_mdev_init(NVMEL,vmel), /* 31: /dev/vmelX */ cdev_mdev_init(NVMES,vmes), /* 32: /dev/vmesX */ cdev_lkm_dummy(), /* 33 */ cdev_lkm_dummy(), /* 34 */ cdev_lkm_dummy(), /* 35 */ cdev_lkm_dummy(), /* 36 */ cdev_lkm_dummy(), /* 37 */ cdev_lkm_dummy(), /* 38 */ cdev_pf_init(NPF,pf), /* 39: packet filter */ cdev_random_init(1,random), /* 40: random data source */ cdev_uk_init(NUK,uk), /* 41: unknown SCSI */ cdev_ss_init(NSS,ss), /* 42: SCSI scanner */ cdev_ksyms_init(NKSYMS,ksyms), /* 43: Kernel symbols device */ cdev_ch_init(NCH,ch), /* 44: SCSI autochanger */ cdev_lkm_dummy(), /* 45 */ cdev_lkm_dummy(), /* 46 */ cdev_lkm_dummy(), /* 47 */ cdev_lkm_dummy(), /* 48 */ cdev_lkm_dummy(), /* 49 */ cdev_systrace_init(NSYSTRACE,systrace), /* 50 system call tracing */ #ifdef XFS cdev_xfs_init(NXFS,xfs_dev), /* 51: xfs communication device */ #else cdev_lkm_dummy(), /* 51 */ #endif cdev_ptm_init(NPTY,ptm), /* 52: pseudo-tty ptm device */ }; 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(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); } dev_t getnulldev() { return makedev(mem_no, 2); } 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 */ NODEV, /* 8 */ 4, /* SCSI disk */ /* 9 */ 8, /* SCSI CD-ROM */ /* 10 */ NODEV, /* 11 */ NODEV, /* 12 */ NODEV, /* 13 */ NODEV, /* 14 */ NODEV, /* 15 */ NODEV, /* 16 */ NODEV, /* 17 */ NODEV, /* 18 */ 9, /* 19 */ 6, /* vnode disk */ /* 20 */ NODEV, /* 21 */ NODEV, /* 22 */ NODEV, /* 23 */ NODEV, /* 24 */ NODEV, /* 25 */ NODEV, /* 26 */ 10, /* XD disk */ }; int nchrtoblktbl = sizeof(chrtoblktbl) / sizeof(chrtoblktbl[0]); /* * 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. */ #include #define zscnpollc nullcnpollc cons_decl(zs); #define clcnpollc nullcnpollc cons_decl(cl); struct consdev constab[] = { #if NZS > 0 cons_init(zs), #endif #if NCL > 0 cons_init(cl), #endif { 0 }, };