1129470Spjd/*-
2213074Spjd * Copyright (c) 2004-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
3129470Spjd * All rights reserved.
4129470Spjd *
5129470Spjd * Redistribution and use in source and binary forms, with or without
6129470Spjd * modification, are permitted provided that the following conditions
7129470Spjd * are met:
8129470Spjd * 1. Redistributions of source code must retain the above copyright
9129470Spjd *    notice, this list of conditions and the following disclaimer.
10129470Spjd * 2. Redistributions in binary form must reproduce the above copyright
11129470Spjd *    notice, this list of conditions and the following disclaimer in the
12129470Spjd *    documentation and/or other materials provided with the distribution.
13155175Spjd *
14129470Spjd * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
15129470Spjd * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16129470Spjd * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17129470Spjd * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
18129470Spjd * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19129470Spjd * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20129470Spjd * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21129470Spjd * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22129470Spjd * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23129470Spjd * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24129470Spjd * SUCH DAMAGE.
25129470Spjd *
26129470Spjd * $FreeBSD$
27129470Spjd */
28129470Spjd
29129470Spjd#ifndef _SUBR_H_
30129470Spjd#define	_SUBR_H_
31153190Spjd#include <stdint.h>
32153190Spjd
33213074Spjdunsigned int g_lcm(unsigned int a, unsigned int b);
34149302Spjduint32_t bitcount32(uint32_t x);
35213074Spjdint g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors);
36130591Spjd
37130591Spjdoff_t g_get_mediasize(const char *name);
38213074Spjdunsigned int g_get_sectorsize(const char *name);
39130591Spjd
40213074Spjdint g_metadata_read(const char *name, unsigned char *md, size_t size,
41131603Spjd    const char *magic);
42213074Spjdint g_metadata_store(const char *name, const unsigned char *md, size_t size);
43129470Spjdint g_metadata_clear(const char *name, const char *magic);
44129470Spjd
45162866Spjdvoid gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3);
46162866Spjdint gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
47162866Spjdintmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
48162866Spjdconst char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
49166215Spjdint gctl_change_param(struct gctl_req *req, const char *name, int len,
50166215Spjd    const void *value);
51179628Smarcelint gctl_delete_param(struct gctl_req *req, const char *name);
52179628Smarcelint gctl_has_param(struct gctl_req *req, const char *name);
53179628Smarcel
54129470Spjd#endif	/* !_SUBR_H_ */
55