85 lines
2.2 KiB
C
85 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2021 Nordic Semiconductor ASA
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*/
|
|
|
|
#ifndef ZEPHYR_INCLUDE_IPC_SERVICE_IPC_SERVICE_BACKEND_H_
|
|
#define ZEPHYR_INCLUDE_IPC_SERVICE_IPC_SERVICE_BACKEND_H_
|
|
|
|
#include <ipc/ipc_service.h>
|
|
#include <stdio.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/**
|
|
* @brief IPC Service backend
|
|
* @ingroup ipc_service_api
|
|
* @{
|
|
*/
|
|
|
|
/** @brief IPC backend configuration structure.
|
|
*
|
|
* This structure is used for configuration backend during registration.
|
|
*/
|
|
struct ipc_service_backend {
|
|
/** @brief Pointer to the function that will be used to open an instance
|
|
*
|
|
* @param instance Instance pointer.
|
|
*
|
|
* @retval -EALREADY when the instance is already opened.
|
|
*
|
|
* @retval 0 on success
|
|
* @retval other errno codes depending on the implementation of the
|
|
* backend.
|
|
*/
|
|
int (*open_instance)(const struct device *instance);
|
|
|
|
/** @brief Pointer to the function that will be used to send data to the endpoint.
|
|
*
|
|
* @param instance Instance pointer.
|
|
* @param token Backend-specific token.
|
|
* @param data Pointer to the buffer to send.
|
|
* @param len Number of bytes to send.
|
|
*
|
|
* @retval -EINVAL when instance is invalid.
|
|
* @retval -EBADMSG when the message is invalid.
|
|
* @retval -EBUSY when the instance is busy or not ready.
|
|
*
|
|
* @retval 0 on success
|
|
* @retval other errno codes depending on the implementation of the
|
|
* backend.
|
|
*/
|
|
int (*send)(const struct device *instance, void *token,
|
|
const void *data, size_t len);
|
|
|
|
/** @brief Pointer to the function that will be used to register endpoints.
|
|
*
|
|
* @param instance Instance to register the endpoint onto.
|
|
* @param token Backend-specific token.
|
|
* @param cfg Endpoint configuration.
|
|
*
|
|
* @retval -EINVAL when the endpoint configuration or instance is invalid.
|
|
* @retval -EBUSY when the instance is busy or not ready.
|
|
*
|
|
* @retval 0 on success
|
|
* @retval other errno codes depending on the implementation of the
|
|
* backend.
|
|
*/
|
|
int (*register_endpoint)(const struct device *instance,
|
|
void **token,
|
|
const struct ipc_ept_cfg *cfg);
|
|
};
|
|
|
|
/**
|
|
* @}
|
|
*/
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* ZEPHYR_INCLUDE_IPC_SERVICE_IPC_SERVICE_BACKEND_H_ */
|