1/*-
2 * Copyright (c) 2004-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
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 AUTHORS 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 AUTHORS 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 * $FreeBSD$
27 */
28
29#ifndef _SUBR_H_
30#define	_SUBR_H_
31#include <stdint.h>
32
33unsigned int g_lcm(unsigned int a, unsigned int b);
34uint32_t bitcount32(uint32_t x);
35int g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors);
36
37off_t g_get_mediasize(const char *name);
38unsigned int g_get_sectorsize(const char *name);
39
40int g_metadata_read(const char *name, unsigned char *md, size_t size,
41    const char *magic);
42int g_metadata_store(const char *name, const unsigned char *md, size_t size);
43int g_metadata_clear(const char *name, const char *magic);
44
45void gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3);
46int gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
47intmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
48const char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
49int gctl_change_param(struct gctl_req *req, const char *name, int len,
50    const void *value);
51int gctl_delete_param(struct gctl_req *req, const char *name);
52int gctl_has_param(struct gctl_req *req, const char *name);
53
54#endif	/* !_SUBR_H_ */
55