6aec1278dc
specially crafted module. There are several handrolled sollutions to this problem in the tree already which will be replaced with this. They include iwi(4), ipw(4), ispfw(4) and digi(4). No objection from: arch MFC after: 2 weeks X-MFC after: some drivers have been converted
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/*-
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* Copyright (c) 2006, Max Laier <mlaier@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/kernel.h>
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#include <sys/errno.h>
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#include <sys/systm.h>
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#include <sys/linker.h>
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#include <sys/firmware.h>
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#include <sys/proc.h>
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#include <sys/module.h>
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static struct firmware *fp;
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static int
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fw_consumer_modevent(module_t mod, int type, void *unused)
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{
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switch (type) {
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case MOD_LOAD:
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fp = firmware_get("beastie");
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if (fp == NULL)
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return (ENOENT);
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if (((const char *)fp->data)[fp->datasize - 1] != '\0') {
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firmware_put(fp, FIRMWARE_UNLOAD);
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return (EINVAL);
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}
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printf("%s", (const char *)fp->data);
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return (0);
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case MOD_UNLOAD:
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printf("Bye!\n");
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if (fp != NULL) {
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printf("%s", (const char *)fp->data);
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firmware_put(fp, FIRMWARE_UNLOAD);
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}
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return (0);
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}
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return (EINVAL);
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}
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static moduledata_t fw_consumer_mod = {
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"fw_consumer",
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fw_consumer_modevent,
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0
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};
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DECLARE_MODULE(fw_consumer, fw_consumer_mod, SI_SUB_DRIVERS, SI_ORDER_ANY);
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MODULE_VERSION(fw_consumer, 1);
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MODULE_DEPEND(fw_consumer, firmware, 1, 1, 1);
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