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