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* Copyright (C) 2013-2015 Kay Sievers
* Copyright (C) 2013-2015 Greg Kroah-Hartman <>
* Copyright (C) 2013-2015 Daniel Mack <>
* Copyright (C) 2013-2015 David Herrmann <>
* Copyright (C) 2013-2015 Linux Foundation
* Copyright (C) 2014-2015 Djalal Harouni <>
* 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.
#include <linux/list.h>
#include <linux/mutex.h>
#include <linux/uidgid.h>
#include "node.h"
#include "policy.h"
struct kdbus_bus;
struct kdbus_user;
* struct kdbus_ep - enpoint to access a bus
* @node: The kdbus node
* @lock: Endpoint data lock
* @bus: Bus behind this endpoint
* @user: Custom enpoints account against an anonymous user
* @policy_db: Uploaded policy
* @conn_list: Connections of this endpoint
* An enpoint offers access to a bus; the default endpoint node name is "bus".
* Additional custom endpoints to the same bus can be created and they can
* carry their own policies/filters.
struct kdbus_ep {
struct kdbus_node node;
struct mutex lock;
/* static */
struct kdbus_bus *bus;
struct kdbus_user *user;
/* protected by own locks */
struct kdbus_policy_db policy_db;
/* protected by ep->lock */
struct list_head conn_list;
#define kdbus_ep_from_node(_node) \
container_of((_node), struct kdbus_ep, node)
struct kdbus_ep *kdbus_ep_new(struct kdbus_bus *bus, const char *name,
unsigned int access, kuid_t uid, kgid_t gid,
bool policy);
struct kdbus_ep *kdbus_ep_ref(struct kdbus_ep *ep);
struct kdbus_ep *kdbus_ep_unref(struct kdbus_ep *ep);
struct kdbus_ep *kdbus_cmd_ep_make(struct kdbus_bus *bus, void __user *argp);
int kdbus_cmd_ep_update(struct kdbus_ep *ep, void __user *argp);