60 lines
1.2 KiB
C
60 lines
1.2 KiB
C
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/**
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* \brief Rump cgd header
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* \author Josef Soentgen
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* \date 2014-04-11
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*/
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/*
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* Copyright (C) 2014 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 _CGD_H_
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#define _CGD_H_
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#include <base/signal.h>
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#include <os/server.h>
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namespace Cgd {
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typedef Genode::uint64_t seek_off_t;
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class Params;
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class Device
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{
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private:
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int _fd; /* fd for cgd (raw) device */
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Genode::size_t _blk_sz; /* block size of cgd device */
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Genode::uint64_t _blk_cnt; /* block count of cgd device */
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public:
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Device(int fd);
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~Device();
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char const *name() const;
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Genode::size_t block_size() const { return _blk_sz; }
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Genode::uint64_t block_count() const { return _blk_cnt; }
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Genode::size_t read(char *dst, Genode::size_t len, seek_off_t seek_offset);
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Genode::size_t write(char const *src, Genode::size_t len, seek_off_t seek_offset);
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static Device *configure(Genode::Allocator *alloc, Params const *p, char const *dev);
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};
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Device *init(Genode::Allocator *alloc, Server::Entrypoint &ep);
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void deinit(Genode::Allocator *alloc, Device *dev);
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}
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#endif /* _CGD_H_ */
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