incubator-nuttx/drivers/misc/rpmsgdev.h

126 lines
4.0 KiB
C

/****************************************************************************
* drivers/misc/rpmsgdev.h
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance with the
* License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations
* under the License.
*
****************************************************************************/
#ifndef __DRIVERS_MISC_RPMSGDEV_H
#define __DRIVERS_MISC_RPMSGDEV_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/compiler.h>
#include <sys/param.h>
/****************************************************************************
* Pre-processor definitions
****************************************************************************/
#define RPMSGDEV_NAME_PREFIX "rpdev-"
#define RPMSGDEV_NAME_PREFIX_LEN 6
#define RPMSGDEV_OPEN 1
#define RPMSGDEV_CLOSE 2
#define RPMSGDEV_READ 3
#define RPMSGDEV_READ_NOFRAG 4
#define RPMSGDEV_WRITE 5
#define RPMSGDEV_LSEEK 6
#define RPMSGDEV_IOCTL 7
#define RPMSGDEV_POLL 8
#define RPMSGDEV_NOTIFY 9
/****************************************************************************
* Public Types
****************************************************************************/
begin_packed_struct struct rpmsgdev_header_s
{
uint32_t command;
int32_t result;
uint64_t cookie;
} end_packed_struct;
begin_packed_struct struct rpmsgdev_open_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
int32_t flags;
} end_packed_struct;
begin_packed_struct struct rpmsgdev_close_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
} end_packed_struct;
begin_packed_struct struct rpmsgdev_read_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
uint32_t count;
char buf[1];
} end_packed_struct;
#define rpmsgdev_write_s rpmsgdev_read_s
begin_packed_struct struct rpmsgdev_lseek_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
int64_t offset;
int32_t whence;
} end_packed_struct;
begin_packed_struct struct rpmsgdev_ioctl_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
uint64_t arg;
uint32_t arglen;
int32_t request;
char buf[1];
} end_packed_struct;
begin_packed_struct struct rpmsgdev_poll_s
{
struct rpmsgdev_header_s header;
uint64_t filep;
uint32_t events;
uint32_t setup;
uint64_t fds;
} end_packed_struct;
begin_packed_struct struct rpmsgdev_notify_s
{
struct rpmsgdev_header_s header;
uint64_t fds;
uint32_t revents;
} end_packed_struct;
/****************************************************************************
* Internal function prototypes
****************************************************************************/
/****************************************************************************
* Internal data
****************************************************************************/
#endif /* __DRIVERS_MISC_RPMSGDEV_H */