1214518Srpaulo/* $NetBSD: dkbad.c,v 1.11 2005/12/11 12:16:26 christos Exp $ */ 2190214Srpaulo 3190214Srpaulo/* 4190214Srpaulo * Copyright (c) 1982, 1986, 1990 The Regents of the University of California. 5190214Srpaulo * All rights reserved. 6190214Srpaulo * 7190214Srpaulo * Redistribution and use in source and binary forms, with or without 8190214Srpaulo * modification, are permitted provided that the following conditions 9190214Srpaulo * are met: 10190214Srpaulo * 1. Redistributions of source code must retain the above copyright 11190214Srpaulo * notice, this list of conditions and the following disclaimer. 12190214Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 13190214Srpaulo * notice, this list of conditions and the following disclaimer in the 14190214Srpaulo * documentation and/or other materials provided with the distribution. 15190214Srpaulo * 3. Neither the name of the University nor the names of its contributors 16190214Srpaulo * may be used to endorse or promote products derived from this software 17190214Srpaulo * without specific prior written permission. 18190214Srpaulo * 19190214Srpaulo * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20190214Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21190214Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22190214Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23190214Srpaulo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24190214Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25190214Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26190214Srpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27190214Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28190214Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29190214Srpaulo * SUCH DAMAGE. 30190214Srpaulo * 31190214Srpaulo * @(#)dkbad.c 7.2 (Berkeley) 12/16/90 32190214Srpaulo */ 33190214Srpaulo 34190214Srpaulo#ifndef NOBADSECT 35190214Srpaulo 36190214Srpaulo#include <sys/cdefs.h> 37190214Srpaulo__KERNEL_RCSID(0, "$NetBSD: dkbad.c,v 1.11 2005/12/11 12:16:26 christos Exp $"); 38190214Srpaulo 39190214Srpaulo#include <sys/param.h> 40190214Srpaulo#include <sys/buf.h> 41190214Srpaulo#include <sys/dkbad.h> 42190214Srpaulo 43190214Srpauloint isbad(struct dkbad *, int, int, int); 44190214Srpaulo 45190214Srpaulo/* 46190214Srpaulo * Search the bad sector table looking for 47190214Srpaulo * the specified sector. Return index if found. 48190214Srpaulo * Return -1 if not found. 49190214Srpaulo */ 50190214Srpaulo 51190214Srpauloint 52190214Srpauloisbad(register struct dkbad *bt, int cyl, int trk, int sec) 53{ 54 register int i; 55 register long blk, bblk; 56 57 blk = ((long)cyl << 16) + (trk << 8) + sec; 58 for (i = 0; i < 126; i++) { 59 bblk = ((long)bt->bt_bad[i].bt_cyl << 16) + bt->bt_bad[i].bt_trksec; 60 if (blk == bblk) 61 return (i); 62 if (blk < bblk || bblk < 0) 63 break; 64 } 65 return (-1); 66} 67#endif 68