1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2004-2010 Pawel Jakub Dawidek <pjd@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sbin/geom/misc/subr.h 330449 2018-03-05 07:26:05Z eadler $
29 */
30
31#ifndef _SUBR_H_
32#define	_SUBR_H_
33#include <stdint.h>
34
35unsigned int g_lcm(unsigned int a, unsigned int b);
36uint32_t bitcount32(uint32_t x);
37int g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors);
38
39off_t g_get_mediasize(const char *name);
40unsigned int g_get_sectorsize(const char *name);
41
42int g_metadata_read(const char *name, unsigned char *md, size_t size,
43    const char *magic);
44int g_metadata_store(const char *name, const unsigned char *md, size_t size);
45int g_metadata_clear(const char *name, const char *magic);
46
47void gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3);
48int gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
49intmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
50const char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3);
51int gctl_change_param(struct gctl_req *req, const char *name, int len,
52    const void *value);
53int gctl_delete_param(struct gctl_req *req, const char *name);
54int gctl_has_param(struct gctl_req *req, const char *name);
55
56#endif	/* !_SUBR_H_ */
57