File-copy from v4.4.100
This is the result of 'cp' from a linux-stable tree with the 'v4.4.100'
tag checked out (commit 26d6298789e695c9f627ce49a7bbd2286405798a) on
git://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Please refer to that tree for all history prior to this point.
Change-Id: I8a9ee2aea93cd29c52c847d0ce33091a73ae6afe
diff --git a/include/linux/transport_class.h b/include/linux/transport_class.h
new file mode 100644
index 0000000..11087cd
--- /dev/null
+++ b/include/linux/transport_class.h
@@ -0,0 +1,102 @@
+/*
+ * transport_class.h - a generic container for all transport classes
+ *
+ * Copyright (c) 2005 - James Bottomley <James.Bottomley@steeleye.com>
+ *
+ * This file is licensed under GPLv2
+ */
+
+#ifndef _TRANSPORT_CLASS_H_
+#define _TRANSPORT_CLASS_H_
+
+#include <linux/device.h>
+#include <linux/bug.h>
+#include <linux/attribute_container.h>
+
+struct transport_container;
+
+struct transport_class {
+ struct class class;
+ int (*setup)(struct transport_container *, struct device *,
+ struct device *);
+ int (*configure)(struct transport_container *, struct device *,
+ struct device *);
+ int (*remove)(struct transport_container *, struct device *,
+ struct device *);
+};
+
+#define DECLARE_TRANSPORT_CLASS(cls, nm, su, rm, cfg) \
+struct transport_class cls = { \
+ .class = { \
+ .name = nm, \
+ }, \
+ .setup = su, \
+ .remove = rm, \
+ .configure = cfg, \
+}
+
+
+struct anon_transport_class {
+ struct transport_class tclass;
+ struct attribute_container container;
+};
+
+#define DECLARE_ANON_TRANSPORT_CLASS(cls, mtch, cfg) \
+struct anon_transport_class cls = { \
+ .tclass = { \
+ .configure = cfg, \
+ }, \
+ . container = { \
+ .match = mtch, \
+ }, \
+}
+
+#define class_to_transport_class(x) \
+ container_of(x, struct transport_class, class)
+
+struct transport_container {
+ struct attribute_container ac;
+ const struct attribute_group *statistics;
+};
+
+#define attribute_container_to_transport_container(x) \
+ container_of(x, struct transport_container, ac)
+
+void transport_remove_device(struct device *);
+void transport_add_device(struct device *);
+void transport_setup_device(struct device *);
+void transport_configure_device(struct device *);
+void transport_destroy_device(struct device *);
+
+static inline void
+transport_register_device(struct device *dev)
+{
+ transport_setup_device(dev);
+ transport_add_device(dev);
+}
+
+static inline void
+transport_unregister_device(struct device *dev)
+{
+ transport_remove_device(dev);
+ transport_destroy_device(dev);
+}
+
+static inline int transport_container_register(struct transport_container *tc)
+{
+ return attribute_container_register(&tc->ac);
+}
+
+static inline void transport_container_unregister(struct transport_container *tc)
+{
+ if (unlikely(attribute_container_unregister(&tc->ac)))
+ BUG();
+}
+
+int transport_class_register(struct transport_class *);
+int anon_transport_class_register(struct anon_transport_class *);
+void transport_class_unregister(struct transport_class *);
+void anon_transport_class_unregister(struct anon_transport_class *);
+
+
+#endif