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283 lines
14 KiB
C#
283 lines
14 KiB
C#
// /***************************************************************************
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// The Disc Image Chef
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// ----------------------------------------------------------------------------
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//
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// Filename : AtaCHS.cs
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// Author(s) : Natalia Portillo <claunia@claunia.com>
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//
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// Component : ATA commands.
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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 library is free software; you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as
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// published by the Free Software Foundation; either version 2.1 of the
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// License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful, but
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// WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, see <http://www.gnu.org/licenses/>.
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//
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// ----------------------------------------------------------------------------
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// Copyright © 2011-2018 Natalia Portillo
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// ****************************************************************************/
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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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return AtaIdentify(out buffer, out statusRegisters, timeout, out _);
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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,
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out double duration)
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{
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buffer = new byte[512];
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AtaRegistersChs registers = new AtaRegistersChs {Command = (byte)AtaCommands.IdentifyDevice};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
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AtaTransferRegister.NoTransfer, ref buffer, timeout, false,
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out duration,
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out bool 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 ReadDma(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, ushort cylinder,
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byte head,
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byte sector, byte count, uint timeout,
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out double duration)
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{
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return ReadDma(out buffer, out statusRegisters, true, cylinder, head, sector, count, timeout, out duration);
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}
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public bool ReadDma(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, bool retry, ushort cylinder,
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byte head, byte sector, byte count, uint timeout,
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out double duration)
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{
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buffer = count == 0 ? new byte[512 * 256] : new byte[512 * count];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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SectorCount = count,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector,
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Command = retry ? (byte)AtaCommands.ReadDmaRetry : (byte)AtaCommands.ReadDma
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma,
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AtaTransferRegister.SectorCount,
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ref buffer, timeout, true, out duration, out bool 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 ReadMultiple(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, ushort cylinder,
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byte head, byte sector, byte count,
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uint timeout, out double duration)
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{
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buffer = count == 0 ? new byte[512 * 256] : new byte[512 * count];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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Command = (byte)AtaCommands.ReadMultiple,
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SectorCount = count,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
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AtaTransferRegister.SectorCount, ref buffer, timeout, true,
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out duration,
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out bool 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 Read(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, ushort cylinder, byte head,
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byte sector, byte count, uint timeout,
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out double duration)
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{
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return Read(out buffer, out statusRegisters, true, cylinder, head, sector, count, timeout, out duration);
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}
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public bool Read(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, bool retry, ushort cylinder,
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byte head, byte sector, byte count, uint timeout,
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out double duration)
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{
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buffer = count == 0 ? new byte[512 * 256] : new byte[512 * count];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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Command = retry ? (byte)AtaCommands.ReadRetry : (byte)AtaCommands.Read,
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SectorCount = count,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
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AtaTransferRegister.SectorCount, ref buffer, timeout, true,
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out duration,
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out bool 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 ReadLong(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, ushort cylinder,
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byte head,
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byte sector, uint blockSize, uint timeout,
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out double duration)
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{
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return ReadLong(out buffer, out statusRegisters, true, cylinder, head, sector, blockSize, timeout,
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out duration);
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}
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public bool ReadLong(out byte[] buffer, out AtaErrorRegistersChs statusRegisters, bool retry,
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ushort cylinder,
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byte head, byte sector, uint blockSize,
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uint timeout, out double duration)
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{
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buffer = new byte[blockSize];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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Command = retry ? (byte)AtaCommands.ReadLongRetry : (byte)AtaCommands.ReadLong,
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SectorCount = 1,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
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AtaTransferRegister.SectorCount, ref buffer, timeout, true,
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out duration,
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out bool sense);
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Error = LastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "READ LONG took {0} ms.", duration);
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return sense;
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}
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public bool Seek(out AtaErrorRegistersChs statusRegisters, ushort cylinder, byte head, byte sector,
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uint timeout, out double duration)
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{
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byte[] buffer = new byte[0];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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Command = (byte)AtaCommands.Seek,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData,
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AtaTransferRegister.NoTransfer, ref buffer, timeout, true, out duration,
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out bool sense);
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Error = LastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "SEEK took {0} ms.", duration);
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return sense;
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}
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public bool SetFeatures(out AtaErrorRegistersChs statusRegisters, AtaFeatures feature, uint timeout,
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out double duration)
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{
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return SetFeatures(out statusRegisters, feature, 0, 0, 0, 0, timeout, out duration);
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}
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public bool SetFeatures(out AtaErrorRegistersChs statusRegisters, AtaFeatures feature, ushort cylinder,
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byte head, byte sector, byte sectorCount,
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uint timeout, out double duration)
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{
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byte[] buffer = new byte[0];
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AtaRegistersChs registers = new AtaRegistersChs
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{
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Command = (byte)AtaCommands.SetFeatures,
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CylinderHigh = (byte)((cylinder & 0xFF00) / 0x100),
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CylinderLow = (byte)((cylinder & 0xFF) / 0x1),
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DeviceHead = (byte)(head & 0x0F),
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Sector = sector,
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SectorCount = sectorCount,
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Feature = (byte)feature
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};
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LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData,
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AtaTransferRegister.NoTransfer, ref buffer, timeout, true, out duration,
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out bool sense);
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Error = LastError != 0;
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DicConsole.DebugWriteLine("ATA Device", "SET FEATURES took {0} ms.", duration);
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return sense;
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}
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}
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} |