2011-12-22 16:19:25 +01:00
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/*
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* \brief Loader session interface
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* \author Christian Prochaska
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* \date 2009-10-05
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*/
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/*
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2012-01-03 15:35:05 +01:00
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* Copyright (C) 2009-2012 Genode Labs GmbH
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2011-12-22 16:19:25 +01:00
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__LOADER_SESSION__LOADER_SESSION_H_
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#define _INCLUDE__LOADER_SESSION__LOADER_SESSION_H_
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#include <base/rpc.h>
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#include <base/rpc_args.h>
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#include <dataspace/capability.h>
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#include <nitpicker_view/capability.h>
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#include <rom_session/connection.h>
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#include <os/alarm.h>
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#include <session/session.h>
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namespace Loader {
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struct Session : Genode::Session
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{
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/**
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* Exception type
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*/
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class Start_failed { };
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class Rom_access_failed : public Start_failed { };
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class Plugin_start_timed_out : public Start_failed { };
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class Invalid_args : public Start_failed { };
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typedef Genode::Rpc_in_buffer<64> Name;
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typedef Genode::Rpc_in_buffer<160> Start_args;
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static const char *service_name() { return "Loader"; }
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virtual ~Session() { }
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virtual Genode::Dataspace_capability dataspace() = 0;
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/**
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* Start program or subsystem contained in dataspace
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*
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* \throw Rom_access_failed
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* \throw Plugin_start_timed_out
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*/
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virtual void start(Start_args const &args,
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int max_width, int max_height,
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Genode::Alarm::Time timeout,
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Name const &name) = 0;
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virtual Nitpicker::View_capability view(int *w, int *h, int *buf_x, int *buf_y) = 0;
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/*******************
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** RPC interface **
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*******************/
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GENODE_RPC(Rpc_dataspace, Genode::Dataspace_capability, dataspace);
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GENODE_RPC_THROW(Rpc_start, void, start,
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GENODE_TYPE_LIST(Start_failed, Rom_access_failed, Plugin_start_timed_out, Invalid_args),
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Start_args const &, int, int, Genode::Alarm::Time, Name const &);
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GENODE_RPC(Rpc_view, Nitpicker::View_capability, view, int *, int *, int *, int *);
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GENODE_RPC_INTERFACE(Rpc_dataspace, Rpc_start, Rpc_view);
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};
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}
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#endif /* _INCLUDE__LOADER_SESSION__LOADER_SESSION_H_ */
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