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 */ 36 typedef 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 */ 43 typedef 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 */ 53 int openkmod(kernel_t *); 54 int readkmod(kernel_t *, kmod_t *); 55 void freekmod(kmod_t *); 56 int closekmod(kernel_t *); 57 58 /* high-level kmod operations */ 59 int kmodstat(const char *, FILE *); 60 int kmodload(const char *); 61 int kmodunload(const char *); 62 63 #endif 64