104 lines
3.4 KiB
C
104 lines
3.4 KiB
C
/****************************************************************************
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* drivers/misc/rpmsgdev.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __DRIVERS_MISC_RPMSGDEV_H
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#define __DRIVERS_MISC_RPMSGDEV_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/compiler.h>
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/****************************************************************************
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* Pre-processor definitions
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****************************************************************************/
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#ifndef ARRAY_SIZE
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# define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
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#endif
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#define RPMSGDEV_NAME_PREFIX "rpmsgdev-"
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#define RPMSGDEV_NAME_PREFIX_LEN 9
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#define RPMSGDEV_OPEN 1
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#define RPMSGDEV_CLOSE 2
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#define RPMSGDEV_READ 3
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#define RPMSGDEV_WRITE 4
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#define RPMSGDEV_LSEEK 5
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#define RPMSGDEV_IOCTL 6
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/****************************************************************************
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* Public Types
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****************************************************************************/
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begin_packed_struct struct rpmsgdev_header_s
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{
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uint32_t command;
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int32_t result;
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uint64_t cookie;
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} end_packed_struct;
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begin_packed_struct struct rpmsgdev_open_s
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{
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struct rpmsgdev_header_s header;
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int32_t flags;
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} end_packed_struct;
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begin_packed_struct struct rpmsgdev_close_s
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{
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struct rpmsgdev_header_s header;
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} end_packed_struct;
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begin_packed_struct struct rpmsgdev_read_s
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{
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struct rpmsgdev_header_s header;
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uint32_t count;
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char buf[1];
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} end_packed_struct;
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#define rpmsgdev_write_s rpmsgdev_read_s
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begin_packed_struct struct rpmsgdev_lseek_s
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{
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struct rpmsgdev_header_s header;
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int32_t whence;
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int32_t offset;
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} end_packed_struct;
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begin_packed_struct struct rpmsgdev_ioctl_s
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{
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struct rpmsgdev_header_s header;
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int32_t request;
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uint64_t arg;
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uint32_t arglen;
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char buf[1];
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} end_packed_struct;
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/****************************************************************************
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* Internal function prototypes
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****************************************************************************/
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/****************************************************************************
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* Internal data
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****************************************************************************/
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#endif /* __DRIVERS_MISC_RPMSGDEV_H */
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