/* 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 SCSIHD_HH

#define SCSIHD_HH

#include "HD.hh"

#include "SCSIDevice.hh"

#include <array>

namespace openmsx {

class DeviceConfig;

class SCSIHD final : public HD, public SCSIDevice

{

public:

	SCSIHD(const DeviceConfig& targetConfig,

	       AlignedBuffer& buf, unsigned mode);

	SCSIHD(const SCSIHD&) = delete;

	SCSIHD(SCSIHD&&) = delete;

	SCSIHD& operator=(const SCSIHD&) = delete;

	SCSIHD& operator=(SCSIHD&&) = delete;

	~SCSIHD() override = default;

	template<typename Archive>

	void serialize(Archive& ar, unsigned version);

private:

	// SCSI Device

	void reset() override;

	bool isSelected() override;

	[[nodiscard]] unsigned executeCmd(std::span<const uint8_t, 12> cdb, SCSI::Phase& phase,

	                                  unsigned& blocks) override;

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

	[[nodiscard]] uint8_t getStatusCode() override;

	int msgOut(uint8_t value) override;

	uint8_t msgIn() override;

	void disconnect() override;

	void busReset() override;

	[[nodiscard]] unsigned dataIn(unsigned& blocks) override;

	[[nodiscard]] unsigned dataOut(unsigned& blocks) override;

	[[nodiscard]] unsigned inquiry();

	[[nodiscard]] unsigned modeSense();

	[[nodiscard]] unsigned requestSense();

	[[nodiscard]] bool checkReadOnly();

	[[nodiscard]] unsigned readCapacity();

	[[nodiscard]] bool checkAddress();

	[[nodiscard]] unsigned readSectors(unsigned& blocks);

	[[nodiscard]] unsigned writeSectors(unsigned& blocks);

	void formatUnit();

private:

	AlignedBuffer& buffer;

	const unsigned mode;

	unsigned keycode;      // Sense key, ASC, ASCQ

	unsigned currentSector;

	unsigned currentLength;

	const uint8_t scsiId;  // SCSI ID 0..7

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

	uint8_t message = 0;

	uint8_t lun = 0;

	std::array<uint8_t, 12> cdb; // Command Descriptor Block

};

} // namespace openmsx

#endif