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/*
* Copyright (C) 2013 Kay Sievers
* Copyright (C) 2013 Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* Copyright (C) 2013 Daniel Mack <daniel@zonque.org>
* Copyright (C) 2013 Linux Foundation
*
* 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_MESSAGE_H
#define __KDBUS_MESSAGE_H
#include "internal.h"
#include "metadata.h"
/**
* struct kdbus_kmsg - internal message handling data
* @notification_type Short-cut for faster lookup
* @dst_name Short-cut to msg for faster lookup
* @bloom Short-cut to msg for faster lookup
* @bloom_size Short-cut to msg for faster lookup
* @fds Array of file descriptors to pass
* @fds_count Number of file descriptors to pass
* @meta Appended SCM-like metadata of the sending process
* @vecs_size Size of PAYLOAD data
* @vecs_count Number of PAYLOAD vectors
* @memfds_count Number of memfds to pass
* @msg Message from or to userspace
*/
struct kdbus_kmsg {
u64 notification_type;
const char *dst_name;
const u64 *bloom;
unsigned int bloom_size;
const int *fds;
unsigned int fds_count;
struct kdbus_meta meta;
size_t vecs_size;
unsigned int vecs_count;
unsigned int memfds_count;
struct kdbus_msg msg;
};
struct kdbus_ep;
struct kdbus_conn;
int kdbus_kmsg_new(size_t extra_size, struct kdbus_kmsg **m);
int kdbus_kmsg_new_from_user(struct kdbus_conn *conn, struct kdbus_msg __user *msg, struct kdbus_kmsg **m);
void kdbus_kmsg_free(struct kdbus_kmsg *kmsg);
#endif
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