mirror of
https://github.com/akuker/RASCSI.git
synced 2024-11-25 20:33:35 +00:00
106 lines
4.2 KiB
C++
106 lines
4.2 KiB
C++
//---------------------------------------------------------------------------
|
||
//
|
||
// SCSI Target Emulator PiSCSI
|
||
// for Raspberry Pi
|
||
//
|
||
// Copyright (C) 2001-2006 ＰＩ．(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
|
||
};
|