mirror of https://github.com/akuker/RASCSI.git
108 lines
4.0 KiB
C++
108 lines
4.0 KiB
C++
//---------------------------------------------------------------------------
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//
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// SCSI Target Emulator RaSCSI (*^..^*)
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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 "os.h"
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#include "disk.h"
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#include <string>
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//===========================================================================
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//
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// SCSI Host Bridge
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//
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//===========================================================================
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class CTapDriver;
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class CFileSys;
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class SCSIBR : public Disk
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{
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public:
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SCSIBR();
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~SCSIBR();
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bool Init(const map<string, string>&) override;
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bool Dispatch(SCSIDEV *) override;
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// Commands
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int Inquiry(const DWORD *cdb, BYTE *buf) override; // INQUIRY command
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int GetMessage10(const DWORD *cdb, BYTE *buf); // GET MESSAGE10 command
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bool SendMessage10(const DWORD *cdb, BYTE *buf); // SEND MESSAGE10 command
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void TestUnitReady(SASIDEV *) override;
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void GetMessage10(SASIDEV *);
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void SendMessage10(SASIDEV *);
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private:
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typedef Disk super;
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Dispatcher<SCSIBR, SASIDEV> dispatcher;
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int GetMacAddr(BYTE *buf); // Get MAC address
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void SetMacAddr(BYTE *buf); // Set MAC address
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void ReceivePacket(); // Receive a packet
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void GetPacketBuf(BYTE *buf); // Get a packet
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void SendPacket(BYTE *buf, int len); // Send a packet
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CTapDriver *tap; // TAP driver
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bool m_bTapEnable; // TAP valid flag
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BYTE mac_addr[6]; // MAC Addres
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int packet_len; // Receive packet size
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BYTE packet_buf[0x1000]; // Receive packet buffer
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bool packet_enable; // Received packet valid
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int ReadFsResult(BYTE *buf); // Read filesystem (result code)
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int ReadFsOut(BYTE *buf); // Read filesystem (return data)
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int ReadFsOpt(BYTE *buf); // Read file system (optional data)
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void WriteFs(int func, BYTE *buf); // File system write (execute)
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void WriteFsOpt(BYTE *buf, int len); // File system write (optional data)
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// Command handlers
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void FS_InitDevice(BYTE *buf); // $40 - boot
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void FS_CheckDir(BYTE *buf); // $41 - directory check
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void FS_MakeDir(BYTE *buf); // $42 - create directory
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void FS_RemoveDir(BYTE *buf); // $43 - delete directory
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void FS_Rename(BYTE *buf); // $44 - change filename
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void FS_Delete(BYTE *buf); // $45 - delete file
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void FS_Attribute(BYTE *buf); // $46 - get/set file attributes
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void FS_Files(BYTE *buf); // $47 - file search
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void FS_NFiles(BYTE *buf); // $48 - find next file
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void FS_Create(BYTE *buf); // $49 - create file
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void FS_Open(BYTE *buf); // $4A - open file
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void FS_Close(BYTE *buf); // $4B - close file
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void FS_Read(BYTE *buf); // $4C - read file
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void FS_Write(BYTE *buf); // $4D - write file
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void FS_Seek(BYTE *buf); // $4E - seek file
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void FS_TimeStamp(BYTE *buf); // $4F - get/set file time
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void FS_GetCapacity(BYTE *buf); // $50 - get capacity
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void FS_CtrlDrive(BYTE *buf); // $51 - drive status check/control
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void FS_GetDPB(BYTE *buf); // $52 - get DPB
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void FS_DiskRead(BYTE *buf); // $53 - read sector
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void FS_DiskWrite(BYTE *buf); // $54 - write sector
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void FS_Ioctrl(BYTE *buf); // $55 - IOCTRL
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void FS_Flush(BYTE *buf); // $56 - flush cache
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void FS_CheckMedia(BYTE *buf); // $57 - check media
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void FS_Lock(BYTE *buf); // $58 - get exclusive control
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CFileSys *fs; // File system accessor
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DWORD fsresult; // File system access result code
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BYTE fsout[0x800]; // File system access result buffer
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DWORD fsoutlen; // File system access result buffer size
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BYTE fsopt[0x1000000]; // File system access buffer
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DWORD fsoptlen; // File system access buffer size
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};
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