mkimg.h revision 263844 
1/*-
2 * Copyright (c) 2014 Juniper Networks, Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: user/marcel/mkimg/mkimg.h 263844 2014-03-27 22:45:05Z marcel $
27 */
28
29#ifndef _MKIMG_MKIMG_H_
30#define	_MKIMG_MKIMG_H_
31
32#include <sys/queue.h>
33
34typedef int64_t	lba_t;
35
36struct part {
37	STAILQ_ENTRY(part) link;
38	char	*alias;		/* Partition type alias. */
39	char	*contents;	/* Contents/size specification. */
40	u_int	kind;		/* Content kind. */
41#define	PART_UNDEF	0
42#define	PART_KIND_FILE	1
43#define	PART_KIND_PIPE	2
44#define	PART_KIND_SIZE	3
45	u_int	index;		/* Partition index (0-based). */
46	uintptr_t type;		/* Scheme-specific partition type. */
47	lba_t	block;		/* Block-offset of partition in image. */
48	lba_t	size;		/* Size in blocks of partition. */
49	char	*label;		/* Partition label. */
50};
51
52extern STAILQ_HEAD(partlisthead, part) partlist;
53extern u_int nparts;
54
55extern u_int verbose;
56
57extern u_int ncyls;
58extern u_int nheads;
59extern u_int nsecs;
60extern u_int secsz;	/* Logical block size. */
61extern u_int blksz;	/* Physical block size. */
62
63static inline lba_t
64round_block(lba_t n)
65{
66	lba_t b = blksz / secsz;
67	return ((n + b - 1) & ~(b - 1));
68}
69
70int mkimg_seek(int fd, lba_t blk);
71
72#endif /* _MKIMG_MKIMG_H_ */
73