mirror of
https://github.com/akuker/RASCSI.git
synced 2024-06-17 03:29:30 +00:00
9099d7249c
* Fixed opcode
* Fixed segfault
* Re-added 0x06 as additional SASI FORMAT opcode
* Added support of SASI drives with 512 bytes
* SASI LUN must always be taken from CDB and must be 0 or 1
* Fixed typo
* Fixed one more SASI segfault
* Removed duplicate code
* Updated error handling
* Updated error handling
* Logging update
* Added enum value for SPC-6
* Comment update
* Added support for SASI Inquiry
* Updated SASI LUN check
* Updated SASI LUN handling
* Comment update
* Revert "Comment update"
This reverts commit c6adbde25c.
* Updated logging
* Implemented SASI READ CAPACITY
* Validate SASI block count
* Do not support ICD semantics for SASI drives
* SASI READ CAPACITY is a group 1 command with 10 bytes
* Comment update
103 lines
2.5 KiB
C++
103 lines
2.5 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 device controller ]
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//
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//---------------------------------------------------------------------------
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#pragma once
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#include "controllers/sasidev_ctrl.h"
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//===========================================================================
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//
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// SCSI Device (Interits SASI device)
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//
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//===========================================================================
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class SCSIDEV : public SASIDEV
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{
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public:
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enum rascsi_shutdown_mode {
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NONE,
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STOP_RASCSI,
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STOP_PI,
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RESTART_PI
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};
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// Internal data definition
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typedef struct {
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// Synchronous transfer
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BOOL syncenable; // Synchronous transfer possible
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int syncperiod; // Synchronous transfer period
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int syncoffset; // Synchronous transfer offset
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int syncack; // Number of synchronous transfer ACKs
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// ATN message
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bool atnmsg;
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int msc;
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BYTE msb[256];
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// -1 means that the initiator ID is unknown, e.g. with Atari ACSI and old host adapters
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int initiator_id;
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bool is_byte_transfer;
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uint32_t bytes_to_transfer;
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} scsi_t;
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SCSIDEV();
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~SCSIDEV();
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void Reset() override;
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BUS::phase_t Process(int) override;
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void Receive() override;
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// Get LUN based on IDENTIFY message, with LUN from the CDB as fallback
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int GetEffectiveLun() const;
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bool IsSASI() const override { return false; }
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bool IsSCSI() const override { return true; }
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// Common error handling
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void Error(scsi_defs::sense_key sense_key = scsi_defs::sense_key::NO_SENSE,
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scsi_defs::asc asc = scsi_defs::asc::NO_ADDITIONAL_SENSE_INFORMATION,
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scsi_defs::status status = scsi_defs::status::CHECK_CONDITION) override;
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void ScheduleShutDown(rascsi_shutdown_mode shutdown_mode) { this->shutdown_mode = shutdown_mode; }
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int GetInitiatorId() const { return scsi.initiator_id; }
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bool IsByteTransfer() const { return scsi.is_byte_transfer; }
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void SetByteTransfer(bool is_byte_transfer) { scsi.is_byte_transfer = is_byte_transfer; }
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private:
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typedef SASIDEV super;
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// Phases
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void BusFree() override;
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void Selection() override;
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void Execute() override;
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void MsgOut();
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// Data transfer
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void Send() override;
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bool XferMsg(int);
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bool XferOut(bool);
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void ReceiveBytes();
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// Internal data
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scsi_t scsi;
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rascsi_shutdown_mode shutdown_mode;
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};
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