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61 lines
1.3 KiB
C++
61 lines
1.3 KiB
C++
/*
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* \brief Connection to Gpu service
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* \author Josef Soentgen
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* \date 2017-04-28
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*/
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/*
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* Copyright (C) 2017-2021 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__GPU_SESSION__CONNECTION_H_
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#define _INCLUDE__GPU_SESSION__CONNECTION_H_
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#include <gpu_session/client.h>
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#include <base/connection.h>
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#include <base/allocator.h>
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#include <base/attached_dataspace.h>
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namespace Gpu { struct Connection; }
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struct Gpu::Connection : Genode::Connection<Session>, Session_client
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{
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/**
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* Attached GPU information dataspace
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*
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* \noapi
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*/
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Genode::Attached_dataspace _info_dataspace;
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/**
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* Constructor
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*
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* \param quota initial amount of quota used for allocating GPU memory
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*/
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Connection(Genode::Env &env,
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Genode::size_t quota = Session::REQUIRED_QUOTA,
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Label const &label = Label())
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:
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Genode::Connection<Session>(env, label, Ram_quota { quota }, Args()),
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Session_client(cap()),
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_info_dataspace(env.rm(), info_dataspace())
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{ }
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/**
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* Get typed pointer to the information dataspace
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*
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* \return typed pointer
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*/
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template <typename T>
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T const *attached_info() const
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{
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return _info_dataspace.local_addr<T>();
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}
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};
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#endif /* _INCLUDE__GPU_SESSION__CONNECTION_H_ */
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