/* * \brief Client-side Platform-session interface * \author Stefan Kalkowski * \date 2020-04-28 */ /* * Copyright (C) 2020 Genode Labs GmbH * * This file is part of the Genode OS framework, which is distributed * under the terms of the GNU Affero General Public License version 3. */ #ifndef _INCLUDE__PLATFORM_SESSION__CLIENT_H_ #define _INCLUDE__PLATFORM_SESSION__CLIENT_H_ #include <base/rpc_client.h> #include <base/log.h> #include <platform_session/capability.h> namespace Platform { struct Client; } struct Platform::Client : Genode::Rpc_client<Session> { Client(Session_capability session) : Rpc_client<Session>(session) { } Rom_session_capability devices_rom() override { return call<Rpc_devices_rom>(); } Capability<Device_interface> acquire_device(Device_name const &name) override { return call<Rpc_acquire_device>(name); } Capability<Device_interface> acquire_single_device() override { return call<Rpc_acquire_single_device>(); } void release_device(Capability<Device_interface> device) override { call<Rpc_release_device>(device); } Ram_dataspace_capability alloc_dma_buffer(size_t size, Cache cache) override { return call<Rpc_alloc_dma_buffer>(size, cache); } void free_dma_buffer(Ram_dataspace_capability cap) override { call<Rpc_free_dma_buffer>(cap); } addr_t dma_addr(Ram_dataspace_capability cap) override { addr_t const result = call<Rpc_dma_addr>(cap); /* the platform driver may lack the 'managing_system' role */ if (!result) warning("unable to obtain DMA address from platform driver"); return result; } }; #endif /* _INCLUDE__PLATFORM_SESSION__CLIENT_H_ */