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50 lines
1.4 KiB
C++
50 lines
1.4 KiB
C++
//
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// DirectAccessDevice.cpp
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// Clock Signal
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//
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// Created by Thomas Harte on 22/08/2019.
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// Copyright © 2019 Thomas Harte. All rights reserved.
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//
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#include "DirectAccessDevice.hpp"
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using namespace SCSI;
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void DirectAccessDevice::set_storage(const std::shared_ptr<Storage::MassStorage::MassStorageDevice> &device) {
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device_ = device;
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}
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bool DirectAccessDevice::read(const Target::CommandState &state, Target::Responder &responder) {
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if(!device_) return false;
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responder.send_data(device_->get_block(state.address()), [] (const Target::CommandState &state, Target::Responder &responder) {
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responder.terminate_command(Target::Responder::Status::Good);
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});
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return true;
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}
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bool DirectAccessDevice::inquiry(const Target::CommandState &state, Target::Responder &responder) {
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if(!device_) return false;
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std::vector<uint8_t> response = {
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0x00, /* Peripheral device type: directly addressible. */
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0x00, /* Non-removeable (0x80 = removeable). */
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0x00, /* Version: does not claim conformance to any standard. */
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0x00, /* Response data format: 0 for SCSI-1? */
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0x00, /* Additional length. */
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};
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const auto allocated_bytes = state.allocated_inquiry_bytes();
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if(allocated_bytes < response.size()) {
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response.resize(allocated_bytes);
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}
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responder.send_data(std::move(response), [] (const Target::CommandState &state, Target::Responder &responder) {
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responder.terminate_command(Target::Responder::Status::Good);
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});
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return true;
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}
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