1 files changed, 52 insertions, 0 deletions
diff --git a/sys/dev/biovar.h b/sys/dev/biovar.h
new file mode 100644
index 00000000000..be5a3d9da67
--- /dev/null
+++ b/sys/dev/biovar.h
@@ -0,0 +1,52 @@
+/*	$OpenBSD: biovar.h,v 1.1 2002/06/09 22:03:43 niklas Exp $	*/
+
+/*
+ * Copyright (c) 2002 Niklas Hallqvist.  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, 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Niklas Hallqvist.
+ * 4. The name of the author may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * 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.
+ */
+
+/*
+ * Devices getting ioctls through this interface should use ioctl class 'B'
+ * and command numbers starting from 32, lower ones are reserved for generic
+ * ioctls.  All ioctl data must be structures which start with a void *
+ * cookie.
+ */
+
+struct bio_common {
+	void *cookie;
+};
+
+#define BIOCLOCATE _IOWR('B', 0, struct bio_locate)
+struct bio_locate {
+	void *cookie;
+	char *name;
+};
+
+#ifdef _KERNEL
+int	bio_register(struct device *, int (*)(struct device *, u_long,
+    caddr_t));
+#endif