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356 lines
15 KiB
C#
356 lines
15 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : AtaCommands.cs
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// Version : 1.0
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// Author(s) : Natalia Portillo
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//
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// Component : Direct device access
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//
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// Revision : $Revision$
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// Last change by : $Author$
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// Date : $Date$
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//
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// --[ Description ] ----------------------------------------------------------
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//
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// Contains ATA commands
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//
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// --[ License ] --------------------------------------------------------------
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright (C) 2011-2015 Claunia.com
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// ****************************************************************************/
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// //$Id$
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using System;
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using DiscImageChef.Console;
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using DiscImageChef.Decoders.ATA;
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namespace DiscImageChef.Devices
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{
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public partial class Device
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{
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/// <summary>
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/// Sends the ATA IDENTIFY DEVICE command to the device, using default device timeout
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="statusRegisters"/> contains the error registers.</returns>
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/// <param name="buffer">Buffer.</param>
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/// <param name="statusRegisters">Status registers.</param>
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public bool AtaIdentify(out byte[] buffer, out AtaErrorRegistersCHS statusRegisters)
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{
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return AtaIdentify(out buffer, out statusRegisters, Timeout);
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}
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/// <summary>
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/// Sends the ATA IDENTIFY DEVICE command to the device, using default device timeout
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="statusRegisters"/> contains the error registers.</returns>
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/// <param name="buffer">Buffer.</param>
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/// <param name="statusRegisters">Status registers.</param>
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/// <param name="duration">Duration.</param>
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public bool AtaIdentify(out byte[] buffer, out AtaErrorRegistersCHS statusRegisters, out double duration)
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{
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return AtaIdentify(out buffer, out statusRegisters, Timeout, out duration);
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}
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/// <summary>
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/// Sends the ATA IDENTIFY DEVICE command to the device
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="statusRegisters"/> contains the error registers.</returns>
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/// <param name="buffer">Buffer.</param>
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/// <param name="statusRegisters">Status registers.</param>
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/// <param name="timeout">Timeout.</param>
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public bool AtaIdentify(out byte[] buffer, out AtaErrorRegistersCHS statusRegisters, uint timeout)
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{
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double duration;
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return AtaIdentify(out buffer, out statusRegisters, timeout, out duration);
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}
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/// <summary>
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/// Sends the ATA IDENTIFY DEVICE command to the device
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/// </summary>
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/// <returns><c>true</c> if the command failed and <paramref name="statusRegisters"/> contains the error registers.</returns>
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/// <param name="buffer">Buffer.</param>
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/// <param name="statusRegisters">Status registers.</param>
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/// <param name="timeout">Timeout.</param>
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/// <param name="duration">Duration.</param>
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public bool AtaIdentify(out byte[] buffer, out AtaErrorRegistersCHS statusRegisters, uint timeout, out double duration)
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{
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buffer = new byte[512];
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AtaRegistersCHS registers = new AtaRegistersCHS();
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bool sense;
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registers.command = (byte)AtaCommands.IdentifyDevice;
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.NoTransfer,
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ref buffer, timeout, false, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "IDENTIFY DEVICE took {0} ms.", duration);
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return sense;
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}
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public bool GetNativeMaxAddressExt(out ulong lba, out AtaErrorRegistersLBA48 statusRegisters, uint timeout, out double duration)
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{
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lba = 0;
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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byte[] buffer = new byte[0];
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registers.command = (byte)AtaCommands.NativeMaxAddress;
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registers.feature = 0x0000;
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData, AtaTransferRegister.NoTransfer,
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ref buffer, timeout, false, out duration, out sense);
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error = lastError != 0;
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if ((statusRegisters.status & 0x23) == 0)
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{
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lba = statusRegisters.lbaHigh;
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lba *= 0x100000000;
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lba += (ulong)(statusRegisters.lbaMid << 16);
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lba += statusRegisters.lbaLow;
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}
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DicConsole.DebugWriteLine("ATA Device", "GET NATIVE MAX ADDRESS EXT took {0} ms.", duration);
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return sense;
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}
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public bool ReadBuffer(out byte[] buffer, out AtaErrorRegistersLBA28 statusRegisters, uint timeout, out double duration)
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{
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buffer = new byte[512];
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AtaRegistersLBA28 registers = new AtaRegistersLBA28();
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bool sense;
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registers.command = (byte)AtaCommands.ReadBuffer;
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.NoTransfer,
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ref buffer, timeout, false, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ BUFFER took {0} ms.", duration);
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return sense;
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}
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public bool ReadBufferDma(out byte[] buffer, out AtaErrorRegistersLBA28 statusRegisters, uint timeout, out double duration)
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{
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buffer = new byte[512];
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AtaRegistersLBA28 registers = new AtaRegistersLBA28();
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bool sense;
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registers.command = (byte)AtaCommands.ReadBufferDma;
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.NoTransfer,
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ref buffer, timeout, false, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ BUFFER DMA took {0} ms.", duration);
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return sense;
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}
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public bool ReadDma(out byte[] buffer, out AtaErrorRegistersLBA28 statusRegisters, uint lba, byte count, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 256];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA28 registers = new AtaRegistersLBA28();
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bool sense;
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registers.command = (byte)AtaCommands.ReadDmaRetry;
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registers.sectorCount = count;
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registers.lbaHigh = (byte)((lba & 0xFF0000) / 0x10000);
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registers.lbaMid = (byte)((lba & 0xFF00) / 0x100);
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registers.lbaLow = (byte)((lba & 0xFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ DMA took {0} ms.", duration);
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return sense;
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}
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public bool ReadDma(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, ulong lba, ushort count, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 65536];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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registers.command = (byte)AtaCommands.ReadDmaExt;
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registers.sectorCount = count;
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registers.lbaHigh = (ushort)((lba & 0xFFFF00000000) / 0x100000000);
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registers.lbaMid = (ushort)((lba & 0xFFFF0000) / 0x10000);
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registers.lbaLow = (ushort)((lba & 0xFFFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ DMA EXT took {0} ms.", duration);
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return sense;
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}
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public bool ReadLog(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, byte logAddress, ushort pageNumber, ushort count, uint timeout, out double duration)
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{
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buffer = new byte[512 * count];
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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registers.command = (byte)AtaCommands.ReadLogExt;
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registers.sectorCount = count;
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registers.lbaLow = (ushort)((pageNumber & 0xFF) * 0x100);
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registers.lbaLow += logAddress;
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registers.lbaHigh = (ushort)((pageNumber & 0xFF00) / 0x100);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ LOG EXT took {0} ms.", duration);
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return sense;
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}
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public bool ReadLogDma(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, byte logAddress, ushort pageNumber, ushort count, uint timeout, out double duration)
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{
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buffer = new byte[512 * count];
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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registers.command = (byte)AtaCommands.ReadLogDmaExt;
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registers.sectorCount = count;
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registers.lbaLow = (ushort)((pageNumber & 0xFF) * 0x100);
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registers.lbaLow += logAddress;
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registers.lbaHigh = (ushort)((pageNumber & 0xFF00) / 0x100);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ LOG DMA EXT took {0} ms.", duration);
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return sense;
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}
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public bool ReadMultiple(out byte[] buffer, out AtaErrorRegistersLBA28 statusRegisters, byte count, uint lba, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 256];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA28 registers = new AtaRegistersLBA28();
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bool sense;
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registers.command = (byte)AtaCommands.ReadMultiple;
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registers.sectorCount = count;
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registers.lbaHigh = (byte)((lba & 0xFF0000) / 0x10000);
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registers.lbaMid = (byte)((lba & 0xFF00) / 0x100);
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registers.lbaLow = (byte)((lba & 0xFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ MULTIPLE took {0} ms.", duration);
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return sense;
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}
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public bool ReadMultiple(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, ulong lba, ushort count, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 65536];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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registers.command = (byte)AtaCommands.ReadMultipleExt;
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registers.sectorCount = count;
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registers.lbaHigh = (ushort)((lba & 0xFFFF00000000) / 0x100000000);
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registers.lbaMid = (ushort)((lba & 0xFFFF0000) / 0x10000);
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registers.lbaLow = (ushort)((lba & 0xFFFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ MULTIPLE EXT took {0} ms.", duration);
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return sense;
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}
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public bool ReadSectors(out byte[] buffer, out AtaErrorRegistersLBA28 statusRegisters, byte count, uint lba, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 256];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA28 registers = new AtaRegistersLBA28();
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bool sense;
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registers.command = (byte)AtaCommands.ReadRetry;
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registers.sectorCount = count;
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registers.lbaHigh = (byte)((lba & 0xFF0000) / 0x10000);
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registers.lbaMid = (byte)((lba & 0xFF00) / 0x100);
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registers.lbaLow = (byte)((lba & 0xFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ SECTORS took {0} ms.", duration);
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return sense;
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}
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public bool ReadSectors(out byte[] buffer, out AtaErrorRegistersLBA48 statusRegisters, ulong lba, ushort count, uint timeout, out double duration)
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{
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if (count == 0)
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buffer = new byte[512 * 65536];
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else
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buffer = new byte[512 * count];
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AtaRegistersLBA48 registers = new AtaRegistersLBA48();
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bool sense;
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registers.command = (byte)AtaCommands.ReadExt;
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registers.sectorCount = count;
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registers.lbaHigh = (ushort)((lba & 0xFFFF00000000) / 0x100000000);
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registers.lbaMid = (ushort)((lba & 0xFFFF0000) / 0x10000);
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registers.lbaLow = (ushort)((lba & 0xFFFF) / 0x1);
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lastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out sense);
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error = lastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ SECTORS EXT took {0} ms.", duration);
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return sense;
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}
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}
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}
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