1 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
2 /*
3  * Copyright (c) 2015, Integrated Device Technology Inc.
4  * Copyright (c) 2015, Prodrive Technologies
5  * Copyright (c) 2015, RapidIO Trade Association
6  * All rights reserved.
7  *
8  * This software is available to you under a choice of one of two licenses.
9  * You may choose to be licensed under the terms of the GNU General Public
10  * License(GPL) Version 2, or the BSD-3 Clause license below:
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions are met:
14  *
15  * 1. Redistributions of source code must retain the above copyright notice,
16  * this list of conditions and the following disclaimer.
17  *
18  * 2. Redistributions in binary form must reproduce the above copyright notice,
19  * this list of conditions and the following disclaimer in the documentation
20  * and/or other materials provided with the distribution.
21  *
22  * 3. Neither the name of the copyright holder nor the names of its contributors
23  * may be used to endorse or promote products derived from this software without
24  * specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
27  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
28  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
30  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
31  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
32  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
33  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
34  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
35  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
37  */
38 
39 #ifndef _RIO_CM_CDEV_H_
40 #define _RIO_CM_CDEV_H_
41 
42 #include <linux/types.h>
43 
44 struct rio_cm_channel {
45 	__u16 id;
46 	__u16 remote_channel;
47 	__u16 remote_destid;
48 	__u8 mport_id;
49 };
50 
51 struct rio_cm_msg {
52 	__u16 ch_num;
53 	__u16 size;
54 	__u32 rxto;	/* receive timeout in mSec. 0 = blocking */
55 	__u64 msg;
56 };
57 
58 struct rio_cm_accept {
59 	__u16 ch_num;
60 	__u16 pad0;
61 	__u32 wait_to;	/* accept timeout in mSec. 0 = blocking */
62 };
63 
64 /* RapidIO Channelized Messaging Driver IOCTLs */
65 #define RIO_CM_IOC_MAGIC	'c'
66 
67 #define RIO_CM_EP_GET_LIST_SIZE	_IOWR(RIO_CM_IOC_MAGIC, 1, __u32)
68 #define RIO_CM_EP_GET_LIST	_IOWR(RIO_CM_IOC_MAGIC, 2, __u32)
69 #define RIO_CM_CHAN_CREATE	_IOWR(RIO_CM_IOC_MAGIC, 3, __u16)
70 #define RIO_CM_CHAN_CLOSE	_IOW(RIO_CM_IOC_MAGIC, 4, __u16)
71 #define RIO_CM_CHAN_BIND	_IOW(RIO_CM_IOC_MAGIC, 5, struct rio_cm_channel)
72 #define RIO_CM_CHAN_LISTEN	_IOW(RIO_CM_IOC_MAGIC, 6, __u16)
73 #define RIO_CM_CHAN_ACCEPT	_IOWR(RIO_CM_IOC_MAGIC, 7, struct rio_cm_accept)
74 #define RIO_CM_CHAN_CONNECT	_IOW(RIO_CM_IOC_MAGIC, 8, struct rio_cm_channel)
75 #define RIO_CM_CHAN_SEND	_IOW(RIO_CM_IOC_MAGIC, 9, struct rio_cm_msg)
76 #define RIO_CM_CHAN_RECEIVE	_IOWR(RIO_CM_IOC_MAGIC, 10, struct rio_cm_msg)
77 #define RIO_CM_MPORT_GET_LIST	_IOWR(RIO_CM_IOC_MAGIC, 11, __u32)
78 
79 #endif /* _RIO_CM_CDEV_H_ */
80