mirror of
https://github.com/akuker/RASCSI.git
synced 2024-11-16 08:05:38 +00:00
c41373d9bd
* Using lambdas instead of member function pointers simplifies the command dispatching and reduces the code volume * Removed duplicate error handling * Fix for issue #956 * Unit test updates * Resolved SonarQube issues
93 lines
2.2 KiB
C++
93 lines
2.2 KiB
C++
//---------------------------------------------------------------------------
|
|
//
|
|
// SCSI Target Emulator RaSCSI Reloaded
|
|
// for Raspberry Pi
|
|
//
|
|
// Copyright (C) 2022 Uwe Seimet
|
|
//
|
|
// A device implementing mandatory SCSI primary commands, to be used for subclassing
|
|
//
|
|
//---------------------------------------------------------------------------
|
|
|
|
#pragma once
|
|
|
|
#include "scsi.h"
|
|
#include "interfaces/scsi_primary_commands.h"
|
|
#include "controllers/abstract_controller.h"
|
|
#include "device.h"
|
|
#include <string>
|
|
#include <unordered_map>
|
|
#include <functional>
|
|
|
|
using namespace std;
|
|
using namespace scsi_defs;
|
|
|
|
class PrimaryDevice: private ScsiPrimaryCommands, public Device
|
|
{
|
|
using operation = function<void()>;
|
|
|
|
public:
|
|
|
|
PrimaryDevice(PbDeviceType type, int lun) : Device(type, lun) {}
|
|
~PrimaryDevice() override = default;
|
|
|
|
virtual bool Init(const unordered_map<string, string>&);
|
|
|
|
virtual void Dispatch(scsi_command);
|
|
|
|
int GetId() const override;
|
|
|
|
void SetController(AbstractController *);
|
|
|
|
virtual bool WriteByteSequence(vector<uint8_t>&, uint32_t);
|
|
|
|
int GetSendDelay() const { return send_delay; }
|
|
|
|
bool CheckReservation(int, scsi_command, bool) const;
|
|
void DiscardReservation();
|
|
|
|
void Reset() override;
|
|
|
|
virtual void FlushCache() {
|
|
// Devices with a cache have to implement this method
|
|
}
|
|
|
|
protected:
|
|
|
|
void AddCommand(scsi_command, const operation&);
|
|
|
|
vector<uint8_t> HandleInquiry(scsi_defs::device_type, scsi_level, bool) const;
|
|
virtual vector<uint8_t> InquiryInternal() const = 0;
|
|
void CheckReady();
|
|
|
|
void SetSendDelay(int s) { send_delay = s; }
|
|
|
|
void SendDiagnostic() override;
|
|
void ReserveUnit() override;
|
|
void ReleaseUnit() override;
|
|
|
|
void EnterStatusPhase() { controller->Status(); }
|
|
void EnterDataInPhase() { controller->DataIn(); }
|
|
void EnterDataOutPhase() { controller->DataOut(); }
|
|
|
|
// TODO Try to replace this raw pointer, maybe by a weak_ptr
|
|
AbstractController *controller = nullptr;
|
|
|
|
private:
|
|
|
|
static const int NOT_RESERVED = -2;
|
|
|
|
void TestUnitReady() override;
|
|
void RequestSense() override;
|
|
void ReportLuns() override;
|
|
void Inquiry() override;
|
|
|
|
vector<byte> HandleRequestSense() const;
|
|
|
|
unordered_map<scsi_command, operation> commands;
|
|
|
|
int send_delay = BUS::SEND_NO_DELAY;
|
|
|
|
int reserving_initiator = NOT_RESERVED;
|
|
};
|