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      1 /*
      2  * CDDL HEADER START
      3  *
      4  * The contents of this file are subject to the terms of the
      5  * Common Development and Distribution License, Version 1.0 only
      6  * (the "License").  You may not use this file except in compliance
      7  * with the License.
      8  *
      9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
     10  * or http://www.opensolaris.org/os/licensing.
     11  * See the License for the specific language governing permissions
     12  * and limitations under the License.
     13  *
     14  * When distributing Covered Code, include this CDDL HEADER in each
     15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
     16  * If applicable, add the following below this CDDL HEADER, with the
     17  * fields enclosed by brackets "[]" replaced with your own identifying
     18  * information: Portions Copyright [yyyy] [name of copyright owner]
     19  *
     20  * CDDL HEADER END
     21  */
     22 /*	Copyright (c) 1990, 1991 UNIX System Laboratories, Inc.	*/
     23 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989, 1990 AT&T	*/
     24 /*	  All Rights Reserved  	*/
     25 
     26 #pragma ident	"%Z%%M%	%I%	%E% SMI"
     27 
     28 #define	BADSECFILE	"/etc/scsi/badsec"
     29 #define FAILURE	0
     30 #define SUCCESS	1
     31 
     32 #define	MAXBLENT	4
     33 struct	badsec_lst {
     34 	int	bl_cnt;
     35 	struct	badsec_lst *bl_nxt;
     36 	int	bl_sec[MAXBLENT];
     37 };
     38 
     39 #define BADSLSZ		sizeof(struct badsec_lst)
     40 
     41 #define ALTS_ADDPART	0x1	/* add alternate partition		*/
     42 struct	alts_mempart {			/* incore alts partition info	*/
     43 	int	ap_flag;		/* flag for alternate partition	*/
     44 	struct	alts_parttbl *ap_tblp;	/* alts partition table		*/
     45 	int	ap_tbl_secsiz;		/* alts parttbl sector size	*/
     46 	unchar	*ap_memmapp;		/* incore alternate sector map	*/
     47 	unchar	*ap_mapp;		/* alternate sector map		*/
     48 	int	ap_map_secsiz;		/* alts partmap sector size	*/
     49 	int	ap_map_sectot;		/* alts partmap # sector 	*/
     50 	struct  alts_ent *ap_entp;	/* alternate sector entry table */
     51 	int	ap_ent_secsiz;		/* alts entry sector size	*/
     52 	struct	alts_ent *ap_gbadp;	/* growing badsec entry table	*/
     53 	int	ap_gbadcnt;		/* growing bad sector count	*/
     54 	struct	partition part;		/* alts partition configuration */
     55 } ;
     56 
     57 /*	size of incore alternate partition memory structure		*/
     58 #define	ALTS_MEMPART_SIZE	sizeof(struct alts_mempart)
     59 
     60 struct	altsectbl {			/* working alts info		*/
     61 	struct  alts_ent *ast_entp;	/* alternate sector entry table */
     62 	int	ast_entused;		/* entry used			*/
     63 	struct	alt_info *ast_alttblp;	/* alts info			*/
     64 	int	ast_altsiz;		/* size of alts info		*/
     65 	struct  alts_ent *ast_gbadp;	/* growing bad sector entry ptr */
     66 	int	ast_gbadcnt;		/* growing bad sector entry cnt */
     67 };
     68 /*	size of incore alternate partition memory structure		*/
     69 #define	ALTSECTBL_SIZE	sizeof(struct altsectbl)
     70 
     71 /*	macro definitions						*/
     72 #define	byte_to_secsiz(APSIZE, BPS)	(daddr_t) \
     73 					((((APSIZE) + (BPS) - 1) \
     74 					 / (uint)(BPS)) * (BPS))
     75