1 files changed, 77 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 000000000000..8d749fed65df
--- /dev/null
+++ b/share/examples/kld/firmware/fwconsumer/fw_consumer.c
@@ -0,0 +1,77 @@
+/*-
+ * 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/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);