Home | History | Annotate | Download | only in linux
      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