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/*
23 * Copyright (c) 1999 by Sun Microsystems, Inc.
24 * All rights reserved.
25 */
26
27#ifndef _PCFS_COMMON_H
28#define	_PCFS_COMMON_H
29
30#pragma ident	"%Z%%M%	%I%	%E% SMI"
31
32/*
33 * Common routines for the pcfs user-level utilities
34 */
35
36#ifdef __cplusplus
37extern "C" {
38#endif
39
40#include <sys/isa_defs.h>
41#include <sys/types.h>
42#include <sys/stat.h>
43#include "pcfs_bpb.h"
44
45/*
46 *  A macro implementing a ceiling function for integer divides.
47 */
48#define	idivceil(dvend, dvsor) \
49	((dvend)/(dvsor) + (((dvend)%(dvsor) == 0) ? 0 : 1))
50
51/*
52 * These defines should move into a kernel header file eventually
53 * and pcfs_mount may want to refuse to mount FAT32's that aren't "clean"
54 *
55 *	If Windows shuts down properly it sets the fourth bit of the 8th
56 *	and final reserved byte at the start of the FAT.
57 */
58#define	WIN_SHUTDOWN_STATUS_BYTE	7
59#define	WIN_SHUTDOWN_BIT_MASK		0x8
60
61/*
62 *  Define some special logical drives we use.
63 */
64#define	BOOT_PARTITION_DRIVE	99
65#define	PRIMARY_DOS_DRIVE	1
66
67/*
68 * Function prototypes
69 */
70extern off64_t findPartitionOffset(int fd, char *ldrive);
71extern char *stat_actual_disk(char *diskname, struct stat *info, char **suffix);
72extern void header_for_dump(void);
73extern void store_16_bits(uchar_t **bp, uint32_t v);
74extern void store_32_bits(uchar_t **bp, uint32_t v);
75extern void read_16_bits(uchar_t *bp, uint32_t *value);
76extern void read_32_bits(uchar_t *bp, uint32_t *value);
77extern void missing_arg(char *option);
78extern void dump_bytes(uchar_t *b, int n);
79extern void bad_arg(char *option);
80extern void usage(void);
81extern int  is_z_a_power_of_x_le_y(int x, int y, int z);
82extern int  yes(void);
83
84/*
85 *	The assumption here is that _BIG_ENDIAN implies sparc, and
86 *	so in addition to swapping bytes we also have to construct
87 *	packed structures by hand to avoid bus errors due to improperly
88 *	aligned pointers.
89 */
90#ifdef _BIG_ENDIAN
91extern void swap_pack_grab32bpb(bpb_t *wbpb, struct _boot_sector *bsp);
92extern void swap_pack_grabbpb(bpb_t *wbpb, struct _boot_sector *bsp);
93#endif	/* _BIG_ENDIAN */
94
95#ifdef __cplusplus
96}
97#endif
98
99#endif /* _PCFS_COMMON_H */
100