xref: /freebsd/sys/dev/thunderbolt/tb_ioctl.h (revision 2ed9833791f28e14843ac813f90cb030e45948dc)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2022 Scott Long
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  * $FreeBSD$
29  */
30 
31 #ifndef _TB_IOCTL_H
32 #define _TB_IOCTL_H
33 
34 struct tbt_ioc {
35 	void	*data;	/* user-supplied buffer for the nvlist */
36 	size_t	size;	/* size of the user-supplied buffer */
37 	size_t	len;	/* amount of data in the nvlist */
38 };
39 
40 #define TBT_NAMLEN	16
41 #define TBT_DEVICE_NAME "tbtctl"
42 #define TBT_IOCMAXLEN	4096
43 
44 #define TBT_DISCOVER	_IOWR('h', 1, struct tbt_ioc)
45 #define TBT_DISCOVER_TYPE	"type"
46 #define TBT_DISCOVER_IFACE	"iface"
47 #define TBT_DISCOVER_DOMAIN	"domain"
48 #define TBT_DISCOVER_ROUTER	"router"
49 
50 #define TBT_REQUEST	_IOWR('h', 2, struct tbt_ioc)
51 
52 #endif /* _TB_IOCTL_H */
53