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64 lines
1.4 KiB
C++
64 lines
1.4 KiB
C++
/*
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* \brief Region-map session interface
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* \author Norman Feske
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* \date 2016-04-15
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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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 Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__RM_SESSION__RM_SESSION_H_
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#define _INCLUDE__RM_SESSION__RM_SESSION_H_
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#include <region_map/region_map.h>
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#include <session/session.h>
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namespace Genode { struct Rm_session; }
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struct Genode::Rm_session : Session
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{
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/**
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* \noapi
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*/
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static const char *service_name() { return "RM"; }
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/*
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* An RM session consumes a dataspace capability for the session-object
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* allocation and its session capability.
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*/
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enum { CAP_QUOTA = 2 };
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enum class Create_error { OUT_OF_RAM, OUT_OF_CAPS };
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using Create_result = Attempt<Capability<Region_map>, Create_error>;
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/**
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* Create region map
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*
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* \param size upper bound of region map
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* \return region-map capability
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*/
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virtual Create_result create(size_t size) = 0;
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/**
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* Destroy region map
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*/
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virtual void destroy(Capability<Region_map>) = 0;
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/*********************
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** RPC declaration **
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*********************/
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GENODE_RPC(Rpc_create, Create_result, create, size_t);
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GENODE_RPC(Rpc_destroy, void, destroy, Capability<Region_map>);
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GENODE_RPC_INTERFACE(Rpc_create, Rpc_destroy);
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};
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#endif /* _INCLUDE__RM_SESSION__RM_SESSION_H_ */
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