1 /* Kernel object name space definitions
3 * Copyright (c) 2002-2003 Patrick Mochel
4 * Copyright (c) 2002-2003 Open Source Development Labs
5 * Copyright (c) 2006-2008 Greg Kroah-Hartman <greg@kroah.com>
6 * Copyright (c) 2006-2008 Novell Inc.
8 * Split from kobject.h by David Howells (dhowells@redhat.com)
10 * This file is released under the GPLv2.
12 * Please read Documentation/kobject.txt before using the kobject
13 * interface, ESPECIALLY the parts about reference counts and object
17 #ifndef _LINUX_KOBJECT_NS_H
18 #define _LINUX_KOBJECT_NS_H
24 * Namespace types which are used to tag kobjects and sysfs entries.
25 * Network namespace will likely be the first.
28 KOBJ_NS_TYPE_NONE = 0,
34 * Callbacks so sysfs can determine namespaces
35 * @current_ns: return calling task's namespace
36 * @netlink_ns: return namespace to which a sock belongs (right?)
37 * @initial_ns: return the initial namespace (i.e. init_net_ns)
39 struct kobj_ns_type_operations {
40 enum kobj_ns_type type;
41 const void *(*current_ns)(void);
42 const void *(*netlink_ns)(struct sock *sk);
43 const void *(*initial_ns)(void);
46 int kobj_ns_type_register(const struct kobj_ns_type_operations *ops);
47 int kobj_ns_type_registered(enum kobj_ns_type type);
48 const struct kobj_ns_type_operations *kobj_child_ns_ops(struct kobject *parent);
49 const struct kobj_ns_type_operations *kobj_ns_ops(struct kobject *kobj);
51 const void *kobj_ns_current(enum kobj_ns_type type);
52 const void *kobj_ns_netlink(enum kobj_ns_type type, struct sock *sk);
53 const void *kobj_ns_initial(enum kobj_ns_type type);
54 void kobj_ns_exit(enum kobj_ns_type type, const void *ns);
56 #endif /* _LINUX_KOBJECT_NS_H */