mirror of
https://github.com/aaru-dps/Aaru.Server.git
synced 2025-12-16 19:24:27 +00:00
225 lines
11 KiB
C#
225 lines
11 KiB
C#
// /***************************************************************************
|
|
// The Disc Image Chef
|
|
// ----------------------------------------------------------------------------
|
|
//
|
|
// Filename : Command.cs
|
|
// Author(s) : Natalia Portillo <claunia@claunia.com>
|
|
//
|
|
// Component : Direct device access.
|
|
//
|
|
// --[ Description ] ----------------------------------------------------------
|
|
//
|
|
// High level commands used to directly access devices.
|
|
//
|
|
// --[ 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 © 2011-2016 Natalia Portillo
|
|
// ****************************************************************************/
|
|
|
|
using System;
|
|
using DiscImageChef.Interop;
|
|
using Microsoft.Win32.SafeHandles;
|
|
using DiscImageChef.Decoders.ATA;
|
|
|
|
namespace DiscImageChef.Devices
|
|
{
|
|
public static class Command
|
|
{
|
|
/// <summary>
|
|
/// Sends a SCSI command
|
|
/// </summary>
|
|
/// <returns>0 if no error occurred, otherwise, errno</returns>
|
|
/// <param name="fd">File handle</param>
|
|
/// <param name="cdb">SCSI CDB</param>
|
|
/// <param name="buffer">Buffer for SCSI command response</param>
|
|
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
|
|
/// <param name="timeout">Timeout in seconds</param>
|
|
/// <param name="direction">SCSI command transfer direction</param>
|
|
/// <param name="duration">Time it took to execute the command in milliseconds</param>
|
|
/// <param name="sense"><c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer"/> contains SCSI sense</param>
|
|
public static int SendScsiCommand(object fd, byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout, ScsiDirection direction, out double duration, out bool sense)
|
|
{
|
|
Interop.PlatformID ptID = DetectOS.GetRealPlatformID();
|
|
|
|
return SendScsiCommand(ptID, (SafeFileHandle)fd, cdb, ref buffer, out senseBuffer, timeout, direction, out duration, out sense);
|
|
}
|
|
|
|
/// <summary>
|
|
/// Sends a SCSI command
|
|
/// </summary>
|
|
/// <returns>0 if no error occurred, otherwise, errno</returns>
|
|
/// <param name="ptID">Platform ID for executing the command</param>
|
|
/// <param name="fd">File handle</param>
|
|
/// <param name="cdb">SCSI CDB</param>
|
|
/// <param name="buffer">Buffer for SCSI command response</param>
|
|
/// <param name="senseBuffer">Buffer with the SCSI sense</param>
|
|
/// <param name="timeout">Timeout in seconds</param>
|
|
/// <param name="direction">SCSI command transfer direction</param>
|
|
/// <param name="duration">Time it took to execute the command in milliseconds</param>
|
|
/// <param name="sense"><c>True</c> if SCSI error returned non-OK status and <paramref name="senseBuffer"/> contains SCSI sense</param>
|
|
public static int SendScsiCommand(Interop.PlatformID ptID, object fd, byte[] cdb, ref byte[] buffer, out byte[] senseBuffer, uint timeout, ScsiDirection direction, out double duration, out bool sense)
|
|
{
|
|
switch(ptID)
|
|
{
|
|
case Interop.PlatformID.Win32NT:
|
|
{
|
|
Windows.ScsiIoctlDirection dir;
|
|
|
|
switch(direction)
|
|
{
|
|
case ScsiDirection.In:
|
|
dir = Windows.ScsiIoctlDirection.In;
|
|
break;
|
|
case ScsiDirection.Out:
|
|
dir = Windows.ScsiIoctlDirection.Out;
|
|
break;
|
|
default:
|
|
dir = Windows.ScsiIoctlDirection.Unspecified;
|
|
break;
|
|
}
|
|
|
|
return Windows.Command.SendScsiCommand((SafeFileHandle)fd, cdb, ref buffer, out senseBuffer, timeout, dir, out duration, out sense);
|
|
}
|
|
case Interop.PlatformID.Linux:
|
|
{
|
|
Linux.ScsiIoctlDirection dir;
|
|
|
|
switch(direction)
|
|
{
|
|
case ScsiDirection.In:
|
|
dir = Linux.ScsiIoctlDirection.In;
|
|
break;
|
|
case ScsiDirection.Out:
|
|
dir = Linux.ScsiIoctlDirection.Out;
|
|
break;
|
|
case ScsiDirection.Bidirectional:
|
|
dir = Linux.ScsiIoctlDirection.Unspecified;
|
|
break;
|
|
case ScsiDirection.None:
|
|
dir = Linux.ScsiIoctlDirection.None;
|
|
break;
|
|
default:
|
|
dir = Linux.ScsiIoctlDirection.Unknown;
|
|
break;
|
|
}
|
|
|
|
return Linux.Command.SendScsiCommand((int)fd, cdb, ref buffer, out senseBuffer, timeout, dir, out duration, out sense);
|
|
}
|
|
default:
|
|
throw new InvalidOperationException(string.Format("Platform {0} not yet supported.", ptID));
|
|
}
|
|
}
|
|
|
|
public static int SendAtaCommand(object fd, AtaRegistersCHS registers,
|
|
out AtaErrorRegistersCHS errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
Interop.PlatformID ptID = DetectOS.GetRealPlatformID();
|
|
|
|
return SendAtaCommand(ptID, fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
|
|
public static int SendAtaCommand(Interop.PlatformID ptID, object fd, AtaRegistersCHS registers,
|
|
out AtaErrorRegistersCHS errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
switch(ptID)
|
|
{
|
|
case Interop.PlatformID.Win32NT:
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
case Interop.PlatformID.Linux:
|
|
{
|
|
return Linux.Command.SendAtaCommand((int)fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
default:
|
|
throw new InvalidOperationException(string.Format("Platform {0} not yet supported.", ptID));
|
|
}
|
|
}
|
|
|
|
public static int SendAtaCommand(object fd, AtaRegistersLBA28 registers,
|
|
out AtaErrorRegistersLBA28 errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
Interop.PlatformID ptID = DetectOS.GetRealPlatformID();
|
|
|
|
return SendAtaCommand(ptID, fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
|
|
public static int SendAtaCommand(Interop.PlatformID ptID, object fd, AtaRegistersLBA28 registers,
|
|
out AtaErrorRegistersLBA28 errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
switch(ptID)
|
|
{
|
|
case Interop.PlatformID.Win32NT:
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
case Interop.PlatformID.Linux:
|
|
{
|
|
return Linux.Command.SendAtaCommand((int)fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
default:
|
|
throw new InvalidOperationException(string.Format("Platform {0} not yet supported.", ptID));
|
|
}
|
|
}
|
|
|
|
public static int SendAtaCommand(object fd, AtaRegistersLBA48 registers,
|
|
out AtaErrorRegistersLBA48 errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
Interop.PlatformID ptID = DetectOS.GetRealPlatformID();
|
|
|
|
return SendAtaCommand(ptID, fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
|
|
public static int SendAtaCommand(Interop.PlatformID ptID, object fd, AtaRegistersLBA48 registers,
|
|
out AtaErrorRegistersLBA48 errorRegisters, AtaProtocol protocol,
|
|
AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
|
|
bool transferBlocks, out double duration, out bool sense)
|
|
{
|
|
switch(ptID)
|
|
{
|
|
case Interop.PlatformID.Win32NT:
|
|
{
|
|
throw new NotImplementedException();
|
|
}
|
|
case Interop.PlatformID.Linux:
|
|
{
|
|
return Linux.Command.SendAtaCommand((int)fd, registers, out errorRegisters, protocol,
|
|
transferRegister, ref buffer, timeout, transferBlocks, out duration, out sense);
|
|
}
|
|
default:
|
|
throw new InvalidOperationException(string.Format("Platform {0} not yet supported.", ptID));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|