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/*
* 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_REPLY_H
#define __KDBUS_REPLY_H
/**
* struct kdbus_reply - an entry of kdbus_conn's list of replies
* @kref: Ref-count of this object
* @entry: The entry of the connection's reply_list
* @reply_src: The connection the reply will be sent from
* @reply_dst: The connection the reply will be sent to
* @queue_entry: The queue entry item that is prepared by the replying
* connection
* @deadline_ns: The deadline of the reply, in nanoseconds
* @cookie: The cookie of the requesting message
* @name_id: ID of the well-known name the original msg was sent to
* @sync: The reply block is waiting for synchronous I/O
* @waiting: The condition to synchronously wait for
* @interrupted: The sync reply was left in an interrupted state
* @err: The error code for the synchronous reply
*/
struct kdbus_reply {
struct kref kref;
struct list_head entry;
struct kdbus_conn *reply_src;
struct kdbus_conn *reply_dst;
struct kdbus_queue_entry *queue_entry;
u64 deadline_ns;
u64 cookie;
u64 name_id;
bool sync:1;
bool waiting:1;
bool interrupted:1;
int err;
};
struct kdbus_reply *kdbus_reply_new(struct kdbus_conn *reply_src,
struct kdbus_conn *reply_dst,
const struct kdbus_msg *msg,
struct kdbus_name_entry *name_entry,
bool sync);
struct kdbus_reply *kdbus_reply_ref(struct kdbus_reply *r);
struct kdbus_reply *kdbus_reply_unref(struct kdbus_reply *r);
void kdbus_reply_link(struct kdbus_reply *r);
void kdbus_reply_unlink(struct kdbus_reply *r);
struct kdbus_reply *kdbus_reply_find(struct kdbus_conn *replying,
struct kdbus_conn *reply_dst,
u64 cookie);
void kdbus_sync_reply_wakeup(struct kdbus_reply *reply, int err);
void kdbus_reply_list_scan_work(struct work_struct *work);
#endif /* __KDBUS_REPLY_H */
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