Annotation of sys/arch/luna88k/luna88k/conf.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: conf.c,v 1.7 2007/05/28 22:26:03 todd Exp $ */
! 2:
! 3: /*-
! 4: * Copyright (c) 1991 The Regents of the University of California.
! 5: * All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. Neither the name of the University nor the names of its contributors
! 16: * may be used to endorse or promote products derived from this software
! 17: * without specific prior written permission.
! 18: *
! 19: * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
! 20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 22: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 29: * SUCH DAMAGE.
! 30: *
! 31: * @(#)conf.c 7.9 (Berkeley) 5/28/91
! 32: */
! 33:
! 34: #include <sys/param.h>
! 35: #include <sys/systm.h>
! 36: #include <sys/buf.h>
! 37: #include <sys/ioctl.h>
! 38: #include <sys/tty.h>
! 39: #include <sys/vnode.h>
! 40:
! 41: #include <machine/conf.h>
! 42:
! 43: #include "bio.h"
! 44: #include "pty.h"
! 45: #include "bpfilter.h"
! 46: #include "tun.h"
! 47: #include "vnd.h"
! 48: #include "ccd.h"
! 49: #include "rd.h"
! 50: #include "cd.h"
! 51: #include "ch.h"
! 52: #include "sd.h"
! 53: #include "ss.h"
! 54: #include "st.h"
! 55: #include "uk.h"
! 56:
! 57: #ifdef XFS
! 58: #include <xfs/nxfs.h>
! 59: cdev_decl(xfs_dev);
! 60: #endif
! 61: #include "ksyms.h"
! 62:
! 63: #include "lcd.h"
! 64: #include "siotty.h"
! 65:
! 66: #include "wsdisplay.h"
! 67: #include "wskbd.h"
! 68: #include "wsmouse.h"
! 69: #include "wsmux.h"
! 70:
! 71: #include "pf.h"
! 72: #include "systrace.h"
! 73:
! 74: struct bdevsw bdevsw[] =
! 75: {
! 76: bdev_notdef(), /* 0 */
! 77: bdev_notdef(), /* 1 */
! 78: bdev_notdef(), /* 2 */
! 79: bdev_swap_init(1,sw), /* 3: swap pseudo-device */
! 80: bdev_disk_init(NSD,sd), /* 4: SCSI disk */
! 81: bdev_tape_init(NST,st), /* 5: SCSI tape */
! 82: bdev_disk_init(NCD,cd), /* 6: SCSI CD-ROM */
! 83: bdev_disk_init(NRD,rd), /* 7: ramdisk */
! 84: bdev_disk_init(NVND,vnd), /* 8: vnode disk driver */
! 85: bdev_disk_init(NCCD,ccd), /* 9: concatenated disk driver */
! 86: bdev_notdef(), /* 10 */
! 87: bdev_notdef(), /* 11 */
! 88: bdev_notdef(), /* 12 */
! 89: bdev_lkm_dummy(), /* 13 */
! 90: bdev_lkm_dummy(), /* 14 */
! 91: bdev_lkm_dummy(), /* 15 */
! 92: bdev_lkm_dummy(), /* 16 */
! 93: bdev_lkm_dummy(), /* 17 */
! 94: bdev_lkm_dummy(), /* 18 */
! 95: };
! 96: int nblkdev = sizeof(bdevsw) / sizeof(bdevsw[0]);
! 97:
! 98: struct cdevsw cdevsw[] =
! 99: {
! 100: cdev_cn_init(1,cn), /* 0: virtual console */
! 101: cdev_ctty_init(1,ctty), /* 1: controlling terminal */
! 102: cdev_mm_init(1,mm), /* 2: /dev/{null,mem,kmem,...} */
! 103: cdev_swap_init(1,sw), /* 3: /dev/drum (swap pseudo-device) */
! 104: cdev_tty_init(NPTY,pts), /* 4: pseudo-tty slave */
! 105: cdev_ptc_init(NPTY,ptc), /* 5: pseudo-tty master */
! 106: cdev_log_init(1,log), /* 6: /dev/klog */
! 107: cdev_notdef(), /* 7 */
! 108: cdev_disk_init(NSD,sd), /* 8: SCSI disk */
! 109: cdev_disk_init(NCD,cd), /* 9: SCSI CD-ROM */
! 110: cdev_lcd_init(NLCD,lcd), /* 10: /dev/lcd */
! 111: cdev_notdef(), /* 11 */
! 112: cdev_tty_init(NSIOTTY,sio), /* 12: on-board UART (ttya) */
! 113: cdev_wsdisplay_init(NWSDISPLAY, /* 13: frame buffers, etc. */
! 114: wsdisplay),
! 115: cdev_mouse_init(NWSKBD,wskbd), /* 14: keyboard */
! 116: cdev_mouse_init(NWSMOUSE, /* 15: mouse */
! 117: wsmouse),
! 118: cdev_mouse_init(NWSMUX,wsmux), /* 16: ws multiplexor */
! 119: cdev_disk_init(NCCD,ccd), /* 17: concatenated disk */
! 120: cdev_disk_init(NRD,rd), /* 18: ramdisk disk */
! 121: cdev_disk_init(NVND,vnd), /* 19: vnode disk */
! 122: cdev_tape_init(NST,st), /* 20: SCSI tape */
! 123: cdev_fd_init(1,filedesc), /* 21: file descriptor pseudo-dev */
! 124: cdev_bpftun_init(NBPFILTER,bpf),/* 22: berkeley packet filter */
! 125: cdev_bpftun_init(NTUN,tun), /* 23: network tunnel */
! 126: cdev_lkm_init(NLKM,lkm), /* 24: loadable module driver */
! 127: cdev_notdef(), /* 25 */
! 128: cdev_notdef(), /* 26 */
! 129: cdev_notdef(), /* 27 */
! 130: cdev_notdef(), /* 28 */
! 131: cdev_notdef(), /* 29 */
! 132: cdev_notdef(), /* 30 */
! 133: cdev_notdef(), /* 31 */
! 134: cdev_notdef(), /* 32 */
! 135: cdev_lkm_dummy(), /* 33 */
! 136: cdev_lkm_dummy(), /* 34 */
! 137: cdev_lkm_dummy(), /* 35 */
! 138: cdev_lkm_dummy(), /* 36 */
! 139: cdev_lkm_dummy(), /* 37 */
! 140: cdev_lkm_dummy(), /* 38 */
! 141: cdev_pf_init(NPF,pf), /* 39: packet filter */
! 142: cdev_random_init(1,random), /* 40: random data source */
! 143: cdev_uk_init(NUK,uk), /* 41 */
! 144: cdev_ss_init(NSS,ss), /* 42 */
! 145: cdev_ksyms_init(NKSYMS,ksyms), /* 43: Kernel symbols device */
! 146: cdev_ch_init(NCH,ch), /* 44: SCSI autochanger */
! 147: cdev_notdef(), /* 45 */
! 148: cdev_notdef(), /* 46 */
! 149: cdev_notdef(), /* 47 */
! 150: cdev_notdef(), /* 48 */
! 151: cdev_bio_init(NBIO,bio), /* 49: ioctl tunnel */
! 152: cdev_systrace_init(NSYSTRACE,systrace), /* 50 system call tracing */
! 153: #ifdef XFS
! 154: cdev_xfs_init(NXFS,xfs_dev), /* 51: xfs communication device */
! 155: #else
! 156: cdev_notdef(), /* 51 */
! 157: #endif
! 158: cdev_ptm_init(NPTY,ptm), /* 52: pseudo-tty ptm device */
! 159: };
! 160: int nchrdev = sizeof(cdevsw) / sizeof(cdevsw[0]);
! 161:
! 162: int mem_no = 2; /* major device number of memory special file */
! 163:
! 164: /*
! 165: * Swapdev is a fake device implemented
! 166: * in sw.c used only internally to get to swstrategy.
! 167: * It cannot be provided to the users, because the
! 168: * swstrategy routine munches the b_dev and b_blkno entries
! 169: * before calling the appropriate driver. This would horribly
! 170: * confuse, e.g. the hashing routines. Instead, /dev/drum is
! 171: * provided as a character (raw) device.
! 172: */
! 173: dev_t swapdev = makedev(3, 0);
! 174:
! 175: /*
! 176: * Returns true if dev is /dev/mem or /dev/kmem.
! 177: */
! 178: int
! 179: iskmemdev(dev)
! 180: dev_t dev;
! 181: {
! 182:
! 183: return (major(dev) == mem_no && minor(dev) < 2);
! 184: }
! 185:
! 186: /*
! 187: * Returns true if dev is /dev/zero.
! 188: */
! 189: int
! 190: iszerodev(dev)
! 191: dev_t dev;
! 192: {
! 193:
! 194: return (major(dev) == mem_no && minor(dev) == 12);
! 195: }
! 196:
! 197: dev_t
! 198: getnulldev()
! 199: {
! 200: return makedev(mem_no, 2);
! 201: }
! 202:
! 203: int chrtoblktbl[] = {
! 204: /* XXXX This needs to be dynamic for LKMs. */
! 205: /*VCHR*/ /*VBLK*/
! 206: /* 0 */ NODEV,
! 207: /* 1 */ NODEV,
! 208: /* 2 */ NODEV,
! 209: /* 3 */ NODEV,
! 210: /* 4 */ NODEV,
! 211: /* 5 */ NODEV,
! 212: /* 6 */ NODEV,
! 213: /* 7 */ NODEV,
! 214: /* 8 */ 4, /* SCSI disk */
! 215: /* 9 */ 6, /* SCSI CD-ROM */
! 216: /* 10 */ NODEV,
! 217: /* 11 */ NODEV,
! 218: /* 12 */ NODEV,
! 219: /* 13 */ NODEV,
! 220: /* 14 */ NODEV,
! 221: /* 15 */ NODEV,
! 222: /* 16 */ NODEV,
! 223: /* 17 */ NODEV,
! 224: /* 18 */ 7, /* ram disk */
! 225: /* 19 */ 8, /* vnode disk */
! 226: };
! 227: int nchrtoblktbl = sizeof(chrtoblktbl) / sizeof(chrtoblktbl[0]);
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