RASCSI/cpp/scsidump/scsidump_core.h

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//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2022-2023 Uwe Seimet
//
//---------------------------------------------------------------------------
#pragma once
#include "hal/bus.h"
#include <memory>
#include <string>
#include <span>
#include <vector>
#include <unordered_map>
#include <stdexcept>
using namespace std;
class phase_exception : public runtime_error
{
using runtime_error::runtime_error;
};
class ScsiDump
{
public:
ScsiDump() = default;
~ScsiDump() = default;
int run(const span<char *>);
struct inquiry_info {
string vendor;
string product;
string revision;
uint32_t sector_size;
uint64_t capacity;
void GeneratePropertiesFile(const string&) const;
};
using inquiry_info_t = struct inquiry_info;
private:
bool Banner(span<char *>) const;
bool Init() const;
void ParseArguments(span<char *>);
void DisplayBoardId() const;
void ScanBus();
bool DisplayInquiry(inquiry_info_t&, bool);
int DumpRestore();
bool GetDeviceInfo(inquiry_info_t&);
void WaitForPhase(phase_t) const;
void Selection() const;
void Command(scsi_defs::scsi_command, vector<uint8_t>&) const;
void DataIn(int);
void DataOut(int);
void Status() const;
void MessageIn() const;
void BusFree() const;
void TestUnitReady() const;
void RequestSense();
void Inquiry();
pair<uint64_t, uint32_t> ReadCapacity();
void Read10(uint32_t, uint32_t, uint32_t);
void Write10(uint32_t, uint32_t, uint32_t);
void WaitForBusy() const;
static void CleanUp();
static void TerminationHandler(int);
// A static instance is needed because of the signal handler
static inline unique_ptr<BUS> bus;
vector<uint8_t> buffer;
int target_id = -1;
int target_lun = 0;
int initiator_id = 7;
string filename;
bool inquiry = false;
bool scan_bus = false;
bool restore = false;
bool properties_file = false;
static const int MINIMUM_BUFFER_SIZE = 1024 * 64;
static const int DEFAULT_BUFFER_SIZE = 1024 * 1024;
static inline const string DIVIDER = "----------------------------------------";
static inline const unordered_map<byte, string> DEVICE_TYPES = {
{ byte{0}, "Direct Access" },
{ byte{1}, "Sequential Access" },
{ byte{2}, "Printer" },
{ byte{3}, "Processor" },
{ byte{4}, "Write-Once" },
{ byte{5}, "CD-ROM/DVD/BD/DVD-RAM" },
{ byte{6}, "Scanner" },
{ byte{7}, "Optical Memory" },
{ byte{8}, "Media Changer" },
{ byte{9}, "Communications" },
{ byte{10}, "Graphic Arts Pre-Press" },
{ byte{11}, "Graphic Arts Pre-Press" },
{ byte{12}, "Storage Array Controller" },
{ byte{13}, "Enclosure Services" },
{ byte{14}, "Simplified Direct Access" },
{ byte{15}, "Optical Card Reader/Writer" },
{ byte{16}, "Bridge Controller" },
{ byte{17}, "Object-based Storage" },
{ byte{18}, "Automation/Drive Interface" },
{ byte{19}, "Security Manager" },
{ byte{20}, "Host Managed Zoned Block" },
{ byte{30}, "Well Known Logical Unit" }
};
};