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72 lines
1.7 KiB
C++
72 lines
1.7 KiB
C++
/*
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* \brief Client-side block session interface
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* \author Stefan Kalkowski
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* \date 2010-07-06
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*/
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/*
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* Copyright (C) 2010-2013 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 General Public License version 2.
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*/
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#ifndef _INCLUDE__BLOCK_SESSION__CLIENT_H_
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#define _INCLUDE__BLOCK_SESSION__CLIENT_H_
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#include <base/rpc_client.h>
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#include <block_session/capability.h>
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#include <packet_stream_tx/client.h>
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namespace Block { class Session_client; }
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class Block::Session_client : public Genode::Rpc_client<Session>
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{
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private:
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Packet_stream_tx::Client<Tx> _tx;
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public:
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/**
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* Constructor
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*
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* \param session session capability
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* \param tx_buffer_alloc allocator used for managing the
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* transmission buffer
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*/
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Session_client(Session_capability session,
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Genode::Range_allocator &tx_buffer_alloc,
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Genode::Region_map &rm)
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:
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Genode::Rpc_client<Session>(session),
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_tx(call<Rpc_tx_cap>(), rm, tx_buffer_alloc)
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{ }
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/*****************************
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** Block session interface **
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*****************************/
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void info(sector_t *blk_count, Genode::size_t *blk_size,
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Operations *ops) override
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{
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call<Rpc_info>(blk_count, blk_size, ops);
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}
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Tx *tx_channel() { return &_tx; }
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Tx::Source *tx() { return _tx.source(); }
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void sync() override { call<Rpc_sync>(); }
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/*
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* Wrapper for alloc_packet, allocates 2KB aligned packets
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*/
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Packet_descriptor dma_alloc_packet(Genode::size_t size)
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{
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return tx()->alloc_packet(size, 11);
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}
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};
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#endif /* _INCLUDE__BLOCK_SESSION__CLIENT_H_ */
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