mirror of
https://github.com/aaru-dps/Aaru.git
synced 2025-12-16 19:24:25 +00:00
299 lines
14 KiB
C#
299 lines
14 KiB
C#
// /***************************************************************************
|
|
// Aaru Data Preservation Suite
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Ata48.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : ATA commands.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// Contains 48-bit LBA ATA commands.
|
|
//
|
|
// --[ License ] --------------------------------------------------------------
|
|
//
|
|
// This library is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU Lesser General Public License as
|
|
// published by the Free Software Foundation; either version 2.1 of the
|
|
// License, or (at your option) any later version.
|
|
//
|
|
// This library is distributed in the hope that it will be useful, but
|
|
// WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
// Lesser General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU Lesser General Public
|
|
// License along with this library; if not, see <http://www.gnu.org/licenses/>.
|
|
//
|
|
// ----------------------------------------------------------------------------
|
|
// Copyright © 2011-2022 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
namespace Aaru.Devices;
|
|
|
|
using System;
|
|
using Aaru.Console;
|
|
using Aaru.Decoders.ATA;
|
|
|
|
public partial class Device
|
|
{
|
|
/// <summary>Gets native max address using 48-bit addressing</summary>
|
|
/// <param name="lba">Maximum addressable block</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool GetNativeMaxAddressExt(out ulong lba, out AtaErrorRegistersLba48 statusRegisters, uint timeout,
|
|
out double duration)
|
|
{
|
|
lba = 0;
|
|
byte[] buffer = Array.Empty<byte>();
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.NativeMaxAddress,
|
|
Feature = 0x0000
|
|
};
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData, AtaTransferRegister.NoTransfer,
|
|
ref buffer, timeout, false, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
if((statusRegisters.Status & 0x23) == 0)
|
|
{
|
|
lba = (ulong)((statusRegisters.LbaHighCurrent << 16) + (statusRegisters.LbaMidCurrent << 8) +
|
|
statusRegisters.LbaLowCurrent);
|
|
|
|
lba <<= 24;
|
|
|
|
lba += (ulong)((statusRegisters.LbaHighPrevious << 16) + (statusRegisters.LbaMidPrevious << 8) +
|
|
statusRegisters.LbaLowPrevious);
|
|
}
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "GET NATIVE MAX ADDRESS EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>Reads sectors using 48-bit addressing and DMA transfer</summary>
|
|
/// <param name="buffer">Buffer that contains the read data</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="lba">LBA of read start</param>
|
|
/// <param name="count">How many blocks to read, or 0 to indicate 65536 blocks</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool ReadDma(out byte[] buffer, out AtaErrorRegistersLba48 statusRegisters, ulong lba, ushort count,
|
|
uint timeout, out double duration)
|
|
{
|
|
buffer = count == 0 ? new byte[512 * 65536] : new byte[512 * count];
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadDmaExt,
|
|
SectorCount = count,
|
|
LbaHighPrevious = (byte)((lba & 0xFF0000000000) / 0x10000000000),
|
|
LbaMidPrevious = (byte)((lba & 0xFF00000000) / 0x100000000),
|
|
LbaLowPrevious = (byte)((lba & 0xFF000000) / 0x1000000),
|
|
LbaHighCurrent = (byte)((lba & 0xFF0000) / 0x10000),
|
|
LbaMidCurrent = (byte)((lba & 0xFF00) / 0x100),
|
|
LbaLowCurrent = (byte)(lba & 0xFF)
|
|
};
|
|
|
|
registers.DeviceHead += 0x40;
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
|
|
ref buffer, timeout, true, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ DMA EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>Reads a drive log using PIO transfer</summary>
|
|
/// <param name="buffer">Buffer that contains the read data</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="logAddress">Log address</param>
|
|
/// <param name="pageNumber">Log page number</param>
|
|
/// <param name="count">How log blocks to read</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool ReadLog(out byte[] buffer, out AtaErrorRegistersLba48 statusRegisters, byte logAddress,
|
|
ushort pageNumber, ushort count, uint timeout, out double duration)
|
|
{
|
|
buffer = new byte[512 * count];
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadLogExt,
|
|
SectorCount = count,
|
|
LbaMidCurrent = (byte)(pageNumber & 0xFF),
|
|
LbaMidPrevious = (byte)((pageNumber & 0xFF00) / 0x100),
|
|
LbaLowCurrent = logAddress
|
|
};
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
|
|
ref buffer, timeout, true, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ LOG EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>Reads a drive log using DMA transfer</summary>
|
|
/// <param name="buffer">Buffer that contains the read data</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="logAddress">Log address</param>
|
|
/// <param name="pageNumber">Log page number</param>
|
|
/// <param name="count">How log blocks to read</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool ReadLogDma(out byte[] buffer, out AtaErrorRegistersLba48 statusRegisters, byte logAddress,
|
|
ushort pageNumber, ushort count, uint timeout, out double duration)
|
|
{
|
|
buffer = new byte[512 * count];
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadLogDmaExt,
|
|
SectorCount = count,
|
|
LbaMidCurrent = (byte)(pageNumber & 0xFF),
|
|
LbaMidPrevious = (byte)((pageNumber & 0xFF00) / 0x100),
|
|
LbaLowCurrent = logAddress
|
|
};
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.Dma, AtaTransferRegister.SectorCount,
|
|
ref buffer, timeout, true, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ LOG DMA EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Reads sectors using 48-bit addressing and PIO transfer, sending an interrupt only after all the sectors have
|
|
/// been transferred
|
|
/// </summary>
|
|
/// <param name="buffer">Buffer that contains the read data</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="lba">LBA of read start</param>
|
|
/// <param name="count">How many blocks to read, or 0 to indicate 256 blocks</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool ReadMultiple(out byte[] buffer, out AtaErrorRegistersLba48 statusRegisters, ulong lba, ushort count,
|
|
uint timeout, out double duration)
|
|
{
|
|
buffer = count == 0 ? new byte[512 * 65536] : new byte[512 * count];
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadMultipleExt,
|
|
SectorCount = count,
|
|
LbaHighPrevious = (byte)((lba & 0xFF0000000000) / 0x10000000000),
|
|
LbaMidPrevious = (byte)((lba & 0xFF00000000) / 0x100000000),
|
|
LbaLowPrevious = (byte)((lba & 0xFF000000) / 0x1000000),
|
|
LbaHighCurrent = (byte)((lba & 0xFF0000) / 0x10000),
|
|
LbaMidCurrent = (byte)((lba & 0xFF00) / 0x100),
|
|
LbaLowCurrent = (byte)(lba & 0xFF)
|
|
};
|
|
|
|
registers.DeviceHead += 0x40;
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
|
|
ref buffer, timeout, true, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ MULTIPLE EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>Reads native max address using 48-bit addressing</summary>
|
|
/// <param name="lba">Maximum addressable block</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool ReadNativeMaxAddress(out ulong lba, out AtaErrorRegistersLba48 statusRegisters, uint timeout,
|
|
out double duration)
|
|
{
|
|
lba = 0;
|
|
byte[] buffer = Array.Empty<byte>();
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadNativeMaxAddressExt
|
|
};
|
|
|
|
registers.DeviceHead += 0x40;
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.NonData, AtaTransferRegister.NoTransfer,
|
|
ref buffer, timeout, false, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
if((statusRegisters.Status & 0x23) == 0)
|
|
{
|
|
lba = (ulong)((statusRegisters.LbaHighCurrent << 16) + (statusRegisters.LbaMidCurrent << 8) +
|
|
statusRegisters.LbaLowCurrent);
|
|
|
|
lba <<= 24;
|
|
|
|
lba += (ulong)((statusRegisters.LbaHighPrevious << 16) + (statusRegisters.LbaMidPrevious << 8) +
|
|
statusRegisters.LbaLowPrevious);
|
|
}
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ NATIVE MAX ADDRESS EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
|
|
/// <summary>Reads sectors using 48-bit addressing and PIO transfer</summary>
|
|
/// <param name="buffer">Buffer that contains the read data</param>
|
|
/// <param name="statusRegisters">Returned status registers</param>
|
|
/// <param name="lba">LBA of read start</param>
|
|
/// <param name="count">How many blocks to read, or 0 to indicate 256 blocks</param>
|
|
/// <param name="timeout">Timeout to wait for command execution</param>
|
|
/// <param name="duration">Time the device took to execute the command in milliseconds</param>
|
|
/// <returns><c>true</c> if the device set an error condition, <c>false</c> otherwise</returns>
|
|
public bool Read(out byte[] buffer, out AtaErrorRegistersLba48 statusRegisters, ulong lba, ushort count,
|
|
uint timeout, out double duration)
|
|
{
|
|
buffer = count == 0 ? new byte[512 * 65536] : new byte[512 * count];
|
|
|
|
var registers = new AtaRegistersLba48
|
|
{
|
|
Command = (byte)AtaCommands.ReadExt,
|
|
SectorCount = count,
|
|
LbaHighPrevious = (byte)((lba & 0xFF0000000000) / 0x10000000000),
|
|
LbaMidPrevious = (byte)((lba & 0xFF00000000) / 0x100000000),
|
|
LbaLowPrevious = (byte)((lba & 0xFF000000) / 0x1000000),
|
|
LbaHighCurrent = (byte)((lba & 0xFF0000) / 0x10000),
|
|
LbaMidCurrent = (byte)((lba & 0xFF00) / 0x100),
|
|
LbaLowCurrent = (byte)(lba & 0xFF)
|
|
};
|
|
|
|
registers.DeviceHead += 0x40;
|
|
|
|
LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn, AtaTransferRegister.SectorCount,
|
|
ref buffer, timeout, true, out duration, out bool sense);
|
|
|
|
Error = LastError != 0;
|
|
|
|
AaruConsole.DebugWriteLine("ATA Device", "READ SECTORS EXT took {0} ms.", duration);
|
|
|
|
return sense;
|
|
}
|
|
} |