uapi/linux/rio_cm_cdev.h

0001 /* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */
0002 /*
0003  * Copyright (c) 2015, Integrated Device Technology Inc.
0004  * Copyright (c) 2015, Prodrive Technologies
0005  * Copyright (c) 2015, RapidIO Trade Association
0006  * All rights reserved.
0007  *
0008  * This software is available to you under a choice of one of two licenses.
0009  * You may choose to be licensed under the terms of the GNU General Public
0010  * License(GPL) Version 2, or the BSD-3 Clause license below:
0011  *
0012  * Redistribution and use in source and binary forms, with or without
0013  * modification, are permitted provided that the following conditions are met:
0014  *
0015  * 1. Redistributions of source code must retain the above copyright notice,
0016  * this list of conditions and the following disclaimer.
0017  *
0018  * 2. Redistributions in binary form must reproduce the above copyright notice,
0019  * this list of conditions and the following disclaimer in the documentation
0020  * and/or other materials provided with the distribution.
0021  *
0022  * 3. Neither the name of the copyright holder nor the names of its contributors
0023  * may be used to endorse or promote products derived from this software without
0024  * specific prior written permission.
0025  *
0026  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0027  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
0028  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
0029  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
0030  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
0031  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
0032  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
0033  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
0034  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
0035  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
0036  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
0037  */
0038
0039 #ifndef _RIO_CM_CDEV_H_
0040 #define _RIO_CM_CDEV_H_
0041
0042 #include <linux/types.h>
0043
0044 struct rio_cm_channel {
0045     __u16 id;
0046     __u16 remote_channel;
0047     __u16 remote_destid;
0048     __u8 mport_id;
0049 };
0050
0051 struct rio_cm_msg {
0052     __u16 ch_num;
0053     __u16 size;
0054     __u32 rxto; /* receive timeout in mSec. 0 = blocking */
0055     __u64 msg;
0056 };
0057
0058 struct rio_cm_accept {
0059     __u16 ch_num;
0060     __u16 pad0;
0061     __u32 wait_to;  /* accept timeout in mSec. 0 = blocking */
0062 };
0063
0064 /* RapidIO Channelized Messaging Driver IOCTLs */
0065 #define RIO_CM_IOC_MAGIC    'c'
0066
0067 #define RIO_CM_EP_GET_LIST_SIZE _IOWR(RIO_CM_IOC_MAGIC, 1, __u32)
0068 #define RIO_CM_EP_GET_LIST  _IOWR(RIO_CM_IOC_MAGIC, 2, __u32)
0069 #define RIO_CM_CHAN_CREATE  _IOWR(RIO_CM_IOC_MAGIC, 3, __u16)
0070 #define RIO_CM_CHAN_CLOSE   _IOW(RIO_CM_IOC_MAGIC, 4, __u16)
0071 #define RIO_CM_CHAN_BIND    _IOW(RIO_CM_IOC_MAGIC, 5, struct rio_cm_channel)
0072 #define RIO_CM_CHAN_LISTEN  _IOW(RIO_CM_IOC_MAGIC, 6, __u16)
0073 #define RIO_CM_CHAN_ACCEPT  _IOWR(RIO_CM_IOC_MAGIC, 7, struct rio_cm_accept)
0074 #define RIO_CM_CHAN_CONNECT _IOW(RIO_CM_IOC_MAGIC, 8, struct rio_cm_channel)
0075 #define RIO_CM_CHAN_SEND    _IOW(RIO_CM_IOC_MAGIC, 9, struct rio_cm_msg)
0076 #define RIO_CM_CHAN_RECEIVE _IOWR(RIO_CM_IOC_MAGIC, 10, struct rio_cm_msg)
0077 #define RIO_CM_MPORT_GET_LIST   _IOWR(RIO_CM_IOC_MAGIC, 11, __u32)
0078
0079 #endif /* _RIO_CM_CDEV_H_ */