root/usr/src/cmd/format/analyze.h
/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License (the "License").
 * You may not use this file except in compliance with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _ANALYZE_H
#define _ANALYZE_H

#ifdef  __cplusplus
extern "C" {
#endif

/*
 * This file contains definitions related to surface analysis.
 */

/*
 * These are variables referenced by the analysis routines.  They
 * are declared in analyze.c.
 */
extern  int scan_entire;
extern  diskaddr_t scan_lower, scan_upper;
extern  int scan_correct, scan_stop, scan_loop, scan_passes;
extern  int scan_random, scan_auto;
extern  uint_t scan_size;
extern  int scan_restore_defects, scan_restore_label;

/*
 * These variables hold summary info for the end of analysis.
 * They are declared in analyze.c.
 */
extern  offset_t scan_cur_block;
extern  int64_t scan_blocks_fixed;

/*
 * This variable is used to tell whether the most recent surface
 * analysis error was caused by a media defect or some other problem.
 * It is declared in analyze.c.
 */
extern  int media_error;
extern  int disk_error;

/*
 * These defines are flags for the surface analysis types.
 */
#define SCAN_VALID              0x01            /* read data off disk */
#define SCAN_PATTERN            0x02            /* write and read pattern */
#define SCAN_COMPARE            0x04            /* manually check pattern */
#define SCAN_WRITE              0x08            /* write data to disk */
#define SCAN_PURGE              0x10            /* purge data on disk */
#define SCAN_PURGE_READ_PASS    0x20            /* read/compare pass */
#define SCAN_PURGE_ALPHA_PASS   0x40            /* alpha pattern pass */
#define SCAN_VERIFY             0x80            /* verify data on disk */
#define SCAN_VERIFY_READ_PASS   0x100           /* read/compare pass */


/*
 * Miscellaneous defines.
 */
#define BUF_SECTS               126             /* size of the buffers */
/*
 * Number of passes for purge command.  It is kept here to allow
 * it to be used in menu_analyze.c also
 * This feature is added at the request of Sun Fed.
 */
#define NPPATTERNS      4       /* number of purge patterns */
#define READPATTERN     (NPPATTERNS - 1)


/*
 * defines for disk errors during surface analysis.
 */
#define DISK_STAT_RESERVED              0x01    /* disk is reserved */
#define DISK_STAT_NOTREADY              0x02    /* disk not ready */
#define DISK_STAT_UNAVAILABLE           0x03    /* disk is being formatted */
#define DISK_STAT_DATA_PROTECT          0x04    /* disk is write protected */

/*
 *      Prototypes for ANSI C compilers
 */
int     do_scan(int flags, int mode);

#ifdef  __cplusplus
}
#endif

#endif  /* _ANALYZE_H */