| /* |
| * Copyright (c) 2021 Nordic Semiconductor ASA |
| * Copyright (c) 2021 Carlo Caione <ccaione@baylibre.com> |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <ipc/ipc_service.h> |
| #include <ipc/ipc_service_backend.h> |
| |
| #include <logging/log.h> |
| #include <zephyr.h> |
| #include <device.h> |
| |
| LOG_MODULE_REGISTER(ipc_service, CONFIG_IPC_SERVICE_LOG_LEVEL); |
| |
| int ipc_service_open_instance(const struct device *instance) |
| { |
| const struct ipc_service_backend *backend; |
| |
| if (!instance) { |
| LOG_ERR("Invalid instance"); |
| return -EINVAL; |
| } |
| |
| backend = (const struct ipc_service_backend *) instance->api; |
| |
| if (!backend) { |
| LOG_ERR("Invalid backend configuration"); |
| return -EIO; |
| } |
| |
| if (!backend->open_instance) { |
| /* maybe not needed on backend */ |
| return 0; |
| } |
| |
| return backend->open_instance(instance); |
| } |
| |
| int ipc_service_register_endpoint(const struct device *instance, |
| struct ipc_ept *ept, |
| const struct ipc_ept_cfg *cfg) |
| { |
| const struct ipc_service_backend *backend; |
| |
| if (!instance || !ept || !cfg) { |
| LOG_ERR("Invalid instance, endpoint or configuration"); |
| return -EINVAL; |
| } |
| |
| backend = (const struct ipc_service_backend *) instance->api; |
| |
| if (!backend || !backend->register_endpoint) { |
| LOG_ERR("Invalid backend configuration"); |
| return -EIO; |
| } |
| |
| LOG_DBG("Register endpoint %s", cfg->name ? cfg->name : ""); |
| |
| ept->instance = instance; |
| |
| return backend->register_endpoint(instance, &ept->token, cfg); |
| } |
| |
| int ipc_service_send(struct ipc_ept *ept, const void *data, size_t len) |
| { |
| const struct ipc_service_backend *backend; |
| |
| if (!ept) { |
| LOG_ERR("Invalid endpoint"); |
| return -EINVAL; |
| } |
| |
| backend = ept->instance->api; |
| |
| if (!backend || !backend->send) { |
| LOG_ERR("Invalid backend configuration"); |
| return -EIO; |
| } |
| |
| return backend->send(ept->instance, ept->token, data, len); |
| } |