summaryrefslogtreecommitdiff
path: root/ipc/kdbus/names.h
diff options
context:
space:
mode:
Diffstat (limited to 'ipc/kdbus/names.h')
-rw-r--r--ipc/kdbus/names.h105
1 files changed, 0 insertions, 105 deletions
diff --git a/ipc/kdbus/names.h b/ipc/kdbus/names.h
deleted file mode 100644
index edac59ddd..000000000
--- a/ipc/kdbus/names.h
+++ /dev/null
@@ -1,105 +0,0 @@
-/*
- * Copyright (C) 2013-2015 Kay Sievers
- * Copyright (C) 2013-2015 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
- * Copyright (C) 2013-2015 Daniel Mack <daniel@zonque.org>
- * Copyright (C) 2013-2015 David Herrmann <dh.herrmann@gmail.com>
- * Copyright (C) 2013-2015 Linux Foundation
- * Copyright (C) 2014-2015 Djalal Harouni <tixxdz@opendz.org>
- *
- * 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_NAMES_H
-#define __KDBUS_NAMES_H
-
-#include <linux/hashtable.h>
-#include <linux/rwsem.h>
-
-struct kdbus_name_entry;
-struct kdbus_name_owner;
-struct kdbus_name_registry;
-
-/**
- * struct kdbus_name_registry - names registered for a bus
- * @entries_hash: Map of entries
- * @lock: Registry data lock
- * @name_seq_last: Last used sequence number to assign to a name entry
- */
-struct kdbus_name_registry {
- DECLARE_HASHTABLE(entries_hash, 8);
- struct rw_semaphore rwlock;
- u64 name_seq_last;
-};
-
-/**
- * struct kdbus_name_entry - well-know name entry
- * @name_id: sequence number of name entry to be able to uniquely
- * identify a name over its registration lifetime
- * @activator: activator of this name, or NULL
- * @queue: list of queued owners
- * @hentry: entry in registry map
- * @name: well-known name
- */
-struct kdbus_name_entry {
- u64 name_id;
- struct kdbus_name_owner *activator;
- struct list_head queue;
- struct hlist_node hentry;
- char name[];
-};
-
-/**
- * struct kdbus_name_owner - owner of a well-known name
- * @flags: KDBUS_NAME_* flags of this owner
- * @conn: connection owning the name
- * @name: name that is owned
- * @conn_entry: link into @conn
- * @name_entry: link into @name
- */
-struct kdbus_name_owner {
- u64 flags;
- struct kdbus_conn *conn;
- struct kdbus_name_entry *name;
- struct list_head conn_entry;
- struct list_head name_entry;
-};
-
-bool kdbus_name_is_valid(const char *p, bool allow_wildcard);
-
-struct kdbus_name_registry *kdbus_name_registry_new(void);
-void kdbus_name_registry_free(struct kdbus_name_registry *reg);
-
-struct kdbus_name_entry *
-kdbus_name_lookup_unlocked(struct kdbus_name_registry *reg, const char *name);
-
-int kdbus_name_acquire(struct kdbus_name_registry *reg,
- struct kdbus_conn *conn, const char *name,
- u64 flags, u64 *return_flags);
-void kdbus_name_release_all(struct kdbus_name_registry *reg,
- struct kdbus_conn *conn);
-
-int kdbus_cmd_name_acquire(struct kdbus_conn *conn, void __user *argp);
-int kdbus_cmd_name_release(struct kdbus_conn *conn, void __user *argp);
-int kdbus_cmd_list(struct kdbus_conn *conn, void __user *argp);
-
-/**
- * kdbus_name_get_owner() - get current owner of a name
- * @name: name to get current owner of
- *
- * This returns a pointer to the current owner of a name (or its activator if
- * there is no owner). The caller must make sure @name is valid and does not
- * vanish.
- *
- * Return: Pointer to current owner or NULL if there is none.
- */
-static inline struct kdbus_name_owner *
-kdbus_name_get_owner(struct kdbus_name_entry *name)
-{
- return list_first_entry_or_null(&name->queue, struct kdbus_name_owner,
- name_entry) ? : name->activator;
-}
-
-#endif