1/*	$NetBSD: libkmod.h,v 1.2 2009/06/30 02:44:52 agc Exp $	*/
2
3/*-
4 * Copyright (c) 2008 The NetBSD Foundation, Inc.
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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28#ifndef LIBKMOD_H_
29#define LIBKMOD_H_	20090619
30
31#include <sys/module.h>
32
33#include <stdio.h>
34
35/* this struct describes the loaded modules in the kernel */
36typedef struct kernel_t {
37	size_t	 	size;	/* size of iovec array */
38	size_t		c;	/* counter during "read" operations */
39	struct iovec	iov;	/* iovecs from the modctl operation */
40} kernel_t;
41
42/* this struct describes a module */
43typedef struct kmod_t {
44	char		*name;		/* module name */
45	char		*class;		/* module class */
46	char		*source;	/* source of module loading */
47	int		 refcnt;	/* reference count */
48	unsigned	 size;		/* size of binary module */
49	char		*required;	/* any pre-reqs module has */
50} kmod_t;
51
52/* low level open, read, write ops */
53int openkmod(kernel_t *);
54int readkmod(kernel_t *, kmod_t *);
55void freekmod(kmod_t *);
56int closekmod(kernel_t *);
57
58/* high-level kmod operations */
59int kmodstat(const char *, FILE *);
60int kmodload(const char *);
61int kmodunload(const char *);
62
63#endif
64