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629efe6da5
git-svn-id: https://profuse.googlecode.com/svn/branches/v2@220 aa027e90-d47c-11dd-86d7-074df07e0730
53 lines
882 B
C++
53 lines
882 B
C++
#ifndef __BLOCKDEVICE_H__
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#define __BLOCKDEVICE_H__
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#include <stdint.h>
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#include <sys/types.h>
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#include <ProFUSE/Exception.h>
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#include <Device/TrackSector.h>
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#include <Cache/BlockCache.h>
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namespace Device {
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class BlockDevice {
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public:
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virtual ~BlockDevice();
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virtual BlockCache *createBlockCache(unsigned size);
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virtual void read(unsigned block, void *bp) = 0;
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virtual void read(TrackSector ts, void *bp);
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virtual void write(unsigned block, const void *bp) = 0;
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virtual void write(TrackSector ts, const void *bp);
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virtual unsigned blocks() = 0;
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virtual bool mapped();
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virtual bool readOnly() = 0;
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virtual void sync() = 0;
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virtual void sync(unsigned block);
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virtual void sync(TrackSector ts);
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void zeroBlock(unsigned block);
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protected:
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BlockDevice();
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};
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}
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#endif
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