RASCSI/cpp/devices/scsi_host_bridge.h
2023-10-30 11:24:18 +01:00

106 lines
4.2 KiB
C++
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

//---------------------------------------------------------------------------
//
// SCSI Target Emulator PiSCSI
// for Raspberry Pi
//
// Copyright (C) 2001-2006 (ytanaka@ipc-tokai.or.jp)
// Copyright (C) 2014-2020 GIMONS
// Copyright (C) akuker
//
// Licensed under the BSD 3-Clause License.
// See LICENSE file in the project root folder.
//
// [ SCSI Host Bridge for the Sharp X68000 ]
//
// Note: This requires a special driver on the host system and will only
// work with the Sharp X68000 operating system.
//---------------------------------------------------------------------------
#pragma once
#include "primary_device.h"
#include "ctapdriver.h"
#include "cfilesystem.h"
#include <string>
#include <span>
#include <array>
using namespace std;
class SCSIBR : public PrimaryDevice
{
static constexpr const array<uint8_t, 6> bcast_addr = { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
public:
explicit SCSIBR(int);
~SCSIBR() override = default;
bool Init(const param_map&) override;
void CleanUp() override;
param_map GetDefaultParams() const override { return tap.GetDefaultParams(); }
// Commands
vector<uint8_t> InquiryInternal() const override;
int GetMessage10(cdb_t, vector<uint8_t>&);
bool ReadWrite(cdb_t, vector<uint8_t>&);
void TestUnitReady() override;
void GetMessage10();
void SendMessage10() const;
private:
int GetMacAddr(vector<uint8_t>&) const; // Get MAC address
void SetMacAddr(span<const uint8_t>); // Set MAC address
void ReceivePacket(); // Receive a packet
void GetPacketBuf(vector<uint8_t>&, int); // Get a packet
void SendPacket(span<const uint8_t>, int) const; // Send a packet
CTapDriver tap; // TAP driver
bool tap_enabled = false; // TAP valid flag
array<uint8_t, 6> mac_addr = {}; // MAC Address
int packet_len = 0; // Receive packet size
array<uint8_t, 0x1000> packet_buf; // Receive packet buffer
bool packet_enable = false; // Received packet valid
int ReadFsResult(vector<uint8_t>&) const; // Read filesystem (result code)
int ReadFsOut(vector<uint8_t>&) const; // Read filesystem (return data)
int ReadFsOpt(vector<uint8_t>&) const; // Read file system (optional data)
void WriteFs(int, vector<uint8_t>&); // File system write (execute)
void WriteFsOpt(const vector<uint8_t>&, int); // File system write (optional data)
// Command handlers
void FS_InitDevice(vector<uint8_t>&); // $40 - boot
void FS_CheckDir(vector<uint8_t>&); // $41 - directory check
void FS_MakeDir(vector<uint8_t>&); // $42 - create directory
void FS_RemoveDir(vector<uint8_t>&); // $43 - delete directory
void FS_Rename(vector<uint8_t>&); // $44 - change filename
void FS_Delete(vector<uint8_t>&); // $45 - delete file
void FS_Attribute(vector<uint8_t>&); // $46 - get/set file attributes
void FS_Files(vector<uint8_t>&); // $47 - file search
void FS_NFiles(vector<uint8_t>&); // $48 - find next file
void FS_Create(vector<uint8_t>&); // $49 - create file
void FS_Open(vector<uint8_t>&); // $4A - open file
void FS_Close(vector<uint8_t>&); // $4B - close file
void FS_Read(vector<uint8_t>&); // $4C - read file
void FS_Write(vector<uint8_t>&); // $4D - write file
void FS_Seek(vector<uint8_t>&); // $4E - seek file
void FS_TimeStamp(vector<uint8_t>&); // $4F - get/set file time
void FS_GetCapacity(vector<uint8_t>&); // $50 - get capacity
void FS_CtrlDrive(vector<uint8_t>&); // $51 - drive status check/control
void FS_GetDPB(vector<uint8_t>&); // $52 - get DPB
void FS_DiskRead(vector<uint8_t>&); // $53 - read sector
void FS_DiskWrite(vector<uint8_t>&); // $54 - write sector
void FS_Ioctrl(vector<uint8_t>&); // $55 - IOCTRL
void FS_Flush(vector<uint8_t>&); // $56 - flush cache
void FS_CheckMedia(vector<uint8_t>&); // $57 - check media
void FS_Lock(vector<uint8_t>&); // $58 - get exclusive control
CFileSys fs; // File system accessor
uint32_t fsresult = 0; // File system access result code
array<uint8_t, 0x800> fsout; // File system access result buffer
uint32_t fsoutlen = 0; // File system access result buffer size
array<uint8_t, 0x1000000> fsopt; // File system access buffer
uint32_t fsoptlen = 0; // File system access buffer size
};