1 files changed, 54 insertions, 0 deletions
diff --git a/namespace.h b/namespace.h
new file mode 100644
index 00000000000..7a6bb96887f
--- /dev/null
+++ b/namespace.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2013 Kay Sievers
+ * Copyright (C) 2013 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+ * Copyright (C) 2013 Linux Foundation
+ *
+ * kdbus is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the
+ * Free Software Foundation; either version 2.1 of the License, or (at
+ * your option) any later version.
+ */
+
+#ifndef __KDBUS_NS_H
+#define __KDBUS_NS_H
+
+#include "internal.h"
+
+/*
+ * kdbus namespace
+ * - provides a "control" node
+ * - owns a major number
+ * - owns all created buses
+ * - the initial namespace is unnamed and stays around for forver
+ * - new namespaces are created by opening the control node and
+ *   issuing KDBUS_NS_CREATE
+ * - closing the connection destroys the created namespace
+ */
+struct kdbus_ns {
+	struct kref kref;		/* reference counter */
+	const char *name;		/* name of the namespace */
+	struct kdbus_ns *parent;	/* parent namespace */
+	u64 id;				/* global id of this namespace */
+	const char *devpath;		/* /dev base directory path */
+	unsigned int major;		/* device major number for all nodes */
+	umode_t mode;			/* device node access mode */
+	struct idr idr;			/* map of endpoint minors to buses */
+	struct device *dev;		/* control device node, minor == 0 */
+	struct mutex lock;		/* ns data lock */
+	u64 bus_id_next;		/* next bus id sequence number */
+	struct list_head ns_entry;
+	struct list_head bus_list;	/* list of all buses */
+};
+
+struct kdbus_cmd_ns_kmake {
+	const char *name;
+	struct kdbus_cmd_ns_make make;
+};
+
+struct kdbus_ns *kdbus_ns_ref(struct kdbus_ns *ns);
+void kdbus_ns_unref(struct kdbus_ns *ns);
+void kdbus_ns_disconnect(struct kdbus_ns *ns);
+int kdbus_ns_new(struct kdbus_ns *parent, const char *name, umode_t mode, struct kdbus_ns **ns);
+int kdbus_ns_kmake_user(void __user *buf, struct kdbus_cmd_ns_kmake **kmake);
+struct kdbus_ns *kdbus_ns_find_by_major(unsigned int major);
+#endif