diff options
Diffstat (limited to 'share/examples/kld/firmware/fwconsumer/fw_consumer.c')
-rw-r--r-- | share/examples/kld/firmware/fwconsumer/fw_consumer.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/share/examples/kld/firmware/fwconsumer/fw_consumer.c b/share/examples/kld/firmware/fwconsumer/fw_consumer.c new file mode 100644 index 0000000..97ab99a --- /dev/null +++ b/share/examples/kld/firmware/fwconsumer/fw_consumer.c @@ -0,0 +1,78 @@ +/*- + * 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> +__FBSDID("$FreeBSD$"); + +#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 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); |