1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-NetBSD
3 *
4 * Copyright (c) 2006, Max Laier <mlaier@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 unmodified, this list of conditions, and the following
12 *    disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32#include <sys/param.h>
33#include <sys/kernel.h>
34#include <sys/errno.h>
35#include <sys/systm.h>
36#include <sys/linker.h>
37#include <sys/firmware.h>
38#include <sys/proc.h>
39#include <sys/module.h>
40
41static const struct firmware *fp;
42
43static int
44fw_consumer_modevent(module_t mod, int type, void *unused)
45{
46	switch (type) {
47	case MOD_LOAD:
48		fp = firmware_get("beastie");
49
50		if (fp == NULL)
51			return (ENOENT);
52
53		if (((const char *)fp->data)[fp->datasize - 1] != '\0') {
54			firmware_put(fp, FIRMWARE_UNLOAD);
55			return (EINVAL);
56		}
57		printf("%s", (const char *)fp->data);
58
59		return (0);
60	case MOD_UNLOAD:
61		printf("Bye!\n");
62
63		if (fp != NULL) {
64			printf("%s", (const char *)fp->data);
65			firmware_put(fp, FIRMWARE_UNLOAD);
66		}
67
68		return (0);
69	}
70	return (EINVAL);
71}
72
73static moduledata_t fw_consumer_mod = {
74	"fw_consumer",
75	fw_consumer_modevent,
76	0
77};
78DECLARE_MODULE(fw_consumer, fw_consumer_mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
79MODULE_VERSION(fw_consumer, 1);
80MODULE_DEPEND(fw_consumer, firmware, 1, 1, 1);
81