Allow creating subclass of FDT simplebus

Provide sys/dev/fdt/simplebus.h with the class declaration so that it
is possible to subclass FDT simplebus.

Differential Revision:	https://reviews.freebsd.org/D1886
Reviewed by:	nwhitehorn, imp

1 files changed, 56 insertions, 0 deletions

diff --git a/sys/dev/fdt/simplebus.h b/sys/dev/fdt/simplebus.h
new file mode 100644
index 0000000..c65c6c22
--- /dev/null
+++ b/sys/dev/fdt/simplebus.h
@@ -0,0 +1,56 @@
+/*-
+ * Copyright (c) 2013 Nathan Whitehorn
+ * 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_FDT_SIMPLEBUS_PRIVATE_H
+#define	_FDT_SIMPLEBUS_PRIVATE_H
+
+/* FDT simplebus */
+DECLARE_CLASS(simplebus_driver);
+
+struct simplebus_range {
+	uint64_t bus;
+	uint64_t host;
+	uint64_t size;
+};
+
+/* devinfo and softc */
+struct simplebus_softc {
+	device_t dev;
+	phandle_t node;
+
+	struct simplebus_range *ranges;
+	int nranges;
+
+	pcell_t acells, scells;
+};
+
+struct simplebus_devinfo {
+	struct ofw_bus_devinfo	obdinfo;
+	struct resource_list	rl;
+};
+#endif	/* _FDT_SIMPLEBUS_PRIVATE_H */