nuttx/drivers/wireless/bluetooth/bt_rpmsghci.h

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/****************************************************************************
* drivers/wireless/bluetooth/bt_rpmsghci.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_WIRELESS_BLUETOOTH_BT_RPMSGHCI_H
#define __DRIVERS_WIRELESS_BLUETOOTH_BT_RPMSGHCI_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <stdint.h>
#include <nuttx/compiler.h>
#include <nuttx/semaphore.h>
/****************************************************************************
* Pre-processor definitions
****************************************************************************/
#define RPMSGHCI_NAME_PREFIX "rpmsghci-"
#define RPMSGHCI_NAME_PREFIX_LEN 9
#define RPMSGHCI_OPEN 0 /* Device open */
#define RPMSGHCI_CLOSE 1 /* Device close */
#define RPMSGHCI_SEND 2 /* Data to a HCI controller */
#define RPMSGHCI_IOCTL 3 /* Device ioctl */
#define RPMSGHCI_RECV 4 /* Data from a HCI controller */
/****************************************************************************
* Public Types
****************************************************************************/
/* Rpmsg device cookie used to handle the response from the remote cpu */
struct rpmsghci_cookie_s
{
sem_t sem;
};
begin_packed_struct struct rpmsghci_header_s
{
uint32_t command;
int32_t result;
uint64_t cookie;
} end_packed_struct;
begin_packed_struct struct rpmsghci_open_s
{
struct rpmsghci_header_s header;
} end_packed_struct;
#define rpmsghci_close_s rpmsghci_open_s
begin_packed_struct struct rpmsghci_data_s
{
struct rpmsghci_header_s header;
uint8_t type;
char data[1];
} end_packed_struct;
begin_packed_struct struct rpmsghci_ioctl_s
{
struct rpmsghci_header_s header;
uint64_t filep;
uint64_t arg;
uint32_t arglen;
int32_t request;
char buf[1];
} end_packed_struct;
/****************************************************************************
* Internal function prototypes
****************************************************************************/
/****************************************************************************
* Internal data
****************************************************************************/
#endif /* __DRIVERS_WIRELESS_BLUETOOTH_BT_RPMSGHCI_H */