/*- * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2006, Max Laier <mlaier@FreeBSD.org> * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice unmodified, this list of conditions, and the following * disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include <sys/cdefs.h> #include <sys/param.h> #include <sys/kernel.h> #include <sys/errno.h> #include <sys/systm.h> #include <sys/linker.h> #include <sys/firmware.h> #include <sys/proc.h> #include <sys/module.h> static const struct firmware *fp; static int fw_consumer_modevent(module_t mod, int type, void *unused) { switch (type) { case MOD_LOAD: fp = firmware_get("beastie"); if (fp == NULL) return (ENOENT); if (((const char *)fp->data)[fp->datasize - 1] != '\0') { firmware_put(fp, FIRMWARE_UNLOAD); return (EINVAL); } printf("%s", (const char *)fp->data); return (0); case MOD_UNLOAD: printf("Bye!\n"); if (fp != NULL) { printf("%s", (const char *)fp->data); firmware_put(fp, FIRMWARE_UNLOAD); } return (0); } return (EINVAL); } static moduledata_t fw_consumer_mod = { "fw_consumer", fw_consumer_modevent, 0 }; DECLARE_MODULE(fw_consumer, fw_consumer_mod, SI_SUB_DRIVERS, SI_ORDER_ANY); MODULE_VERSION(fw_consumer, 1); MODULE_DEPEND(fw_consumer, firmware, 1, 1, 1);