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_ */