66 lines
1.5 KiB
C++
66 lines
1.5 KiB
C++
/*
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* \brief Memory-mapped I/O session interface
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* \author Christian Helmuth
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* \date 2006-08-01
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*/
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/*
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* Copyright (C) 2006-2017 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__IO_MEM_SESSION__IO_MEM_SESSION_H_
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#define _INCLUDE__IO_MEM_SESSION__IO_MEM_SESSION_H_
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#include <dataspace/capability.h>
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#include <session/session.h>
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namespace Genode {
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struct Io_mem_dataspace;
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struct Io_mem_session;
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typedef Capability<Io_mem_dataspace> Io_mem_dataspace_capability;
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}
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struct Genode::Io_mem_dataspace : Dataspace { };
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struct Genode::Io_mem_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 "IO_MEM"; }
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/*
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* An I/O-memory session consumes a dataspace capability for the
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* session-object allocation, its session capability, and a dataspace
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* capability for the handed-out memory-mapped I/O dataspace.
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*/
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enum { CAP_QUOTA = 3, RAM_QUOTA = 6 * 1024 };
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virtual ~Io_mem_session() { }
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/**
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* Request dataspace containing the IO_MEM session data
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*
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* \return capability to IO_MEM dataspace
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* (may be invalid)
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*/
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virtual Io_mem_dataspace_capability dataspace() = 0;
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/*********************
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** RPC declaration **
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*********************/
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GENODE_RPC(Rpc_dataspace, Io_mem_dataspace_capability, dataspace);
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GENODE_RPC_INTERFACE(Rpc_dataspace);
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};
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#endif /* _INCLUDE__IO_MEM_SESSION__IO_MEM_SESSION_H_ */
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