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