doxygen/SCSILS120_8hh_source.html

/* Ported from:

** Source: /cvsroot/bluemsx/blueMSX/Src/IoDevice/ScsiDevice.h,v

** Revision: 1.6

** Date: 2007-05-22 20:05:38 +0200 (Tue, 22 May 2007)

**

** More info: http://www.bluemsx.com

**

** Copyright (C) 2003-2007 Daniel Vik, white cat

*/

#ifndef SCSILS120_HH

#define SCSILS120_HH


#include "SCSIDevice.hh"

#include "SectorAccessibleDisk.hh"

#include "DiskContainer.hh"

#include "File.hh"

#include <bitset>

#include <memory>


namespace openmsx {


class DeviceConfig;

class MSXMotherBoard;

class LSXCommand;


class SCSILS120 final : public SCSIDevice, public SectorAccessibleDisk

                      , public DiskContainer

{

public:

        SCSILS120(const SCSILS120&) = delete;

        SCSILS120 operator=(const SCSILS120&) = delete;


        SCSILS120(const DeviceConfig& targetconfig,

                  AlignedBuffer& buf, unsigned mode);

        ~SCSILS120() override;


        template<typename Archive>

        void serialize(Archive& ar, unsigned version);


private:

        // SectorAccessibleDisk:

        void readSectorImpl (size_t sector,       SectorBuffer& buf) override;

        void writeSectorImpl(size_t sector, const SectorBuffer& buf) override;

        size_t getNbSectorsImpl() const override;

        bool isWriteProtectedImpl() const override;

        Sha1Sum getSha1SumImpl(FilePool& filePool) override;


        // Diskcontainer:

        SectorAccessibleDisk* getSectorAccessibleDisk() override;

        const std::string& getContainerName() const override;

        bool diskChanged() override;

        int insertDisk(std::string_view filename) override;


        // SCSI Device

        void reset() override;

        bool isSelected() override;

        unsigned executeCmd(const byte* cdb, SCSI::Phase& phase, unsigned& blocks) override;

        unsigned executingCmd(SCSI::Phase& phase, unsigned& blocks) override;

        byte getStatusCode() override;

        int msgOut(byte value) override;

        byte msgIn() override;

        void disconnect() override;

        void busReset() override;

        unsigned dataIn(unsigned& blocks) override;

        unsigned dataOut(unsigned& blocks) override;


        void eject();

        void insert(std::string_view filename);


        bool getReady();

        void testUnitReady();

        void startStopUnit();

        unsigned inquiry();

        unsigned modeSense();

        unsigned requestSense();

        bool checkReadOnly();

        unsigned readCapacity();

        bool checkAddress();

        unsigned readSector(unsigned& blocks);

        unsigned writeSector(unsigned& blocks);

        void formatUnit();


        MSXMotherBoard& motherBoard;

        AlignedBuffer& buffer;

        File file;

        std::unique_ptr<LSXCommand> lsxCommand;

        std::string name;

        const int mode;

        unsigned keycode;      // Sense key, ASC, ASCQ

        unsigned currentSector;

        unsigned currentLength;

        const byte scsiId;     // SCSI ID 0..7

        bool unitAttention;    // Unit Attention (was: reset)

        bool mediaChanged;     // Enhanced change flag for MEGA-SCSI driver

        byte message;

        byte lun;

        byte cdb[12];          // Command Descriptor Block


        static constexpr unsigned MAX_LS = 26;

        using LSInUse = std::bitset<MAX_LS>;

        std::shared_ptr<LSInUse> lsInUse;


        friend class LSXCommand;

};


} // namespace openmsx


#endif