56 lines
1.0 KiB
C++
56 lines
1.0 KiB
C++
#ifndef __RAWDEVICE_H__
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#define __RAWDEVICE_H__
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#include <stdint.h>
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#include <Device/BlockDevice.h>
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#include <File/File.h>
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namespace Device {
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// /dev/xxx
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class RawDevice : public BlockDevice {
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public:
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static BlockDevicePointer Open(const char *name, File::FileFlags flags);
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virtual ~RawDevice();
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virtual void read(unsigned block, void *bp);
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virtual void read(TrackSector ts, void *bp);
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virtual void write(unsigned block, const void *bp);
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virtual void write(TrackSector ts, const void *bp);
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virtual bool readOnly();
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virtual bool mapped();
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virtual void sync();
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virtual unsigned blocks();
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RawDevice(const char *name, File::FileFlags flags);
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RawDevice(File& file, File::FileFlags flags);
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private:
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void devSize(int fd);
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File _file;
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bool _readOnly;
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uint64_t _size; // size of device in bytes.
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unsigned _blocks; // # of 512k blocks i.e. _size / 512
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unsigned _blockSize; // native block size.
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};
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}
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#endif
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