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https://github.com/akuker/RASCSI.git
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f26fd6567a
In order for the Eject command to properly release the image and reset the status, we need to override the Eject function with the appropriate logic The other removable disk drive devices inherit the Disk class, and hence do not need this
86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator PiSCSI
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// for Raspberry Pi
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//
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// Copyright (C) 2024 BogDan Vatra <bogdan@kde.org>
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include "storage_device.h"
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#include <cstdio>
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class File {
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FILE *file = nullptr;
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inline auto checkSize(auto size) const {
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if (size < 0)
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throw scsi_exception(sense_key::medium_error);
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return size;
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}
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public:
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~File();
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bool open(std::string_view filename);
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void rewind();
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size_t read(uint8_t* buff, size_t size, size_t count = 1);
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size_t write(const uint8_t *buff, size_t size, size_t count = 1);
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void seek(long offset, int origin);
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long tell();
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void close();
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};
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class SCSIST: public StorageDevice
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{
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public:
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SCSIST(int lun);
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public:
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bool Init(const param_map &pm) final;
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void CleanUp() final;
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private:
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void Erase();
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void Read6();
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void ReadBlockLimits() const;
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void Rewind();
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void Space();
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void Write6();
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void WriteFilemarks();
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void LoadUnload();
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void ReadPosition();
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void Verify();
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int ModeSense6(cdb_t cdb, std::vector<uint8_t> &buf) const final;
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int ModeSense10(cdb_t, std::vector<uint8_t> &) const final;
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// PrimaryDevice interface
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protected:
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std::vector<uint8_t> InquiryInternal() const final;
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// ModePageDevice interface
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protected:
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void ModeSelect(scsi_defs::scsi_command, cdb_t, span<const uint8_t>, int) final;
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void SetUpModePages(std::map<int, std::vector<byte> > &, int, bool) const final;
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// StorageDevice interface
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private:
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void Write(span<const uint8_t>, uint64_t) final;
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int Read(span<uint8_t> , uint64_t) final;
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public:
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void Open() final;
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void AddBlockDescriptorPage(std::map<int, std::vector<byte> > &, bool) const;
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void AddErrorPage(map<int, vector<byte> > &, bool) const;
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void AddReconnectPage(map<int, vector<byte> > &, bool) const;
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void AddDevicePage(map<int, vector<byte> > &, bool) const;
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void AddMediumPartitionPage(map<int, vector<byte> > &, bool) const;
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void AddMiscellaneousPage(map<int, vector<byte> > &, bool) const;
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bool Eject(bool force) override;
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private:
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File file;
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};
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