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 * $FreeBSD$ 29 */ 30 31 #ifndef _SUBR_H_ 32 #define _SUBR_H_ 33 #include <stdint.h> 34 35 unsigned int g_lcm(unsigned int a, unsigned int b); 36 uint32_t bitcount32(uint32_t x); 37 int g_parse_lba(const char *lbastr, unsigned int sectorsize, off_t *sectors); 38 39 off_t g_get_mediasize(const char *name); 40 unsigned int g_get_sectorsize(const char *name); 41 42 int g_metadata_read(const char *name, unsigned char *md, size_t size, 43 const char *magic); 44 int g_metadata_store(const char *name, const unsigned char *md, size_t size); 45 int g_metadata_clear(const char *name, const char *magic); 46 47 void gctl_error(struct gctl_req *req, const char *error, ...) __printflike(2, 3); 48 int gctl_get_int(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 49 intmax_t gctl_get_intmax(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 50 const char *gctl_get_ascii(struct gctl_req *req, const char *pfmt, ...) __printflike(2, 3); 51 int gctl_change_param(struct gctl_req *req, const char *name, int len, 52 const void *value); 53 int gctl_delete_param(struct gctl_req *req, const char *name); 54 int gctl_has_param(struct gctl_req *req, const char *name); 55 56 #endif /* !_SUBR_H_ */ 57