Exemplo n.º 1
0
        public bool GetNativeMaxAddressExt(out ulong lba, out AtaErrorRegistersLba48 statusRegisters, uint timeout,
                                           out double duration)
        {
            lba = 0;
            byte[]            buffer    = new byte[0];
            AtaRegistersLba48 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  = statusRegisters.LbaHigh;
                lba *= 0x100000000;
                lba += (ulong)(statusRegisters.LbaMid << 16);
                lba += statusRegisters.LbaLow;
            }

            DicConsole.DebugWriteLine("ATA Device", "GET NATIVE MAX ADDRESS EXT took {0} ms.", duration);

            return(sense);
        }
Exemplo n.º 2
0
        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];
            AtaRegistersLba48 registers = new AtaRegistersLba48
            {
                Command     = (byte)AtaCommands.ReadLogExt,
                SectorCount = count,
                LbaLow      = (ushort)((pageNumber & 0xFF) * 0x100),
                LbaHigh     = (ushort)((pageNumber & 0xFF00) / 0x100)
            };

            registers.LbaLow += logAddress;

            LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
                                       AtaTransferRegister.SectorCount, ref buffer, timeout, true,
                                       out duration,
                                       out bool sense);
            Error = LastError != 0;

            DicConsole.DebugWriteLine("ATA Device", "READ LOG EXT took {0} ms.", duration);

            return(sense);
        }
Exemplo n.º 3
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        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];
            AtaRegistersLba48 registers = new AtaRegistersLba48
            {
                Command     = (byte)AtaCommands.ReadExt,
                SectorCount = count,
                LbaHigh     = (ushort)((lba & 0xFFFF00000000) / 0x100000000),
                LbaMid      = (ushort)((lba & 0xFFFF0000) / 0x10000),
                LbaLow      = (ushort)((lba & 0xFFFF) / 0x1)
            };

            registers.DeviceHead += 0x40;

            LastError = SendAtaCommand(registers, out statusRegisters, AtaProtocol.PioIn,
                                       AtaTransferRegister.SectorCount, ref buffer, timeout, true,
                                       out duration,
                                       out bool sense);
            Error = LastError != 0;

            DicConsole.DebugWriteLine("ATA Device", "READ SECTORS EXT took {0} ms.", duration);

            return(sense);
        }
Exemplo n.º 4
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        /// <summary>Sends an ATA command in 48-bit format</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="buffer">Buffer for SCSI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA returned non-OK status</param>
        /// <param name="registers">Registers to send to the device</param>
        /// <param name="errorRegisters">Registers returned by the device</param>
        /// <param name="protocol">ATA protocol to use</param>
        /// <param name="transferRegister">What register contains the transfer length</param>
        /// <param name="transferBlocks">Set to <c>true</c> if the transfer length is in block, otherwise it is in bytes</param>
        /// <exception cref="InvalidOperationException">If the specified platform is not supported</exception>
        internal static int SendAtaCommand(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 PlatformID.Win32NT:
            {
                // No check for Windows version. A 48-bit ATA disk simply does not work on earlier systems
                return(Windows.Command.SendAtaCommand((SafeFileHandle)fd, registers, out errorRegisters, protocol,
                                                      ref buffer, timeout, out duration, out sense));
            }

            case PlatformID.Linux:
            {
                return(Linux.Command.SendAtaCommand((int)fd, registers, out errorRegisters, protocol,
                                                    transferRegister, ref buffer, timeout, transferBlocks,
                                                    out duration, out sense));
            }

            case PlatformID.FreeBSD:
            {
                return(FreeBSD.Command.SendAtaCommand((IntPtr)fd, registers, out errorRegisters, protocol,
                                                      ref buffer, timeout, out duration, out sense));
            }

            default: throw new InvalidOperationException($"Platform {ptId} not yet supported.");
            }
        }
Exemplo n.º 5
0
 /// <summary>
 ///     Sends an ATA/ATAPI command to this device using 48-bit LBA addressing
 /// </summary>
 /// <returns>0 if no error occurred, otherwise, errno</returns>
 /// <param name="registers">ATA registers.</param>
 /// <param name="errorRegisters">Status/error registers.</param>
 /// <param name="protocol">ATA Protocol.</param>
 /// <param name="transferRegister">Indicates which register indicates the transfer length</param>
 /// <param name="buffer">Buffer for ATA/ATAPI command response</param>
 /// <param name="timeout">Timeout in seconds</param>
 /// <param name="transferBlocks">
 ///     If set to <c>true</c>, transfer is indicated in blocks, otherwise, it is indicated in
 ///     bytes.
 /// </param>
 /// <param name="duration">Time it took to execute the command in milliseconds</param>
 /// <param name="sense"><c>True</c> if ATA/ATAPI command returned non-OK status</param>
 public int SendAtaCommand(AtaRegistersLba48 registers, out AtaErrorRegistersLba48 errorRegisters,
                           AtaProtocol protocol, AtaTransferRegister transferRegister,
                           ref byte[]        buffer,
                           uint timeout, bool transferBlocks,
                           out double duration, out bool sense) =>
 Command.SendAtaCommand(PlatformId, FileHandle, registers, out errorRegisters, protocol, transferRegister,
                        ref buffer, timeout, transferBlocks, out duration, out sense);
Exemplo n.º 6
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        /// <summary>Sends an ATA command in 48-bit LBA format</summary>
        /// <returns>0 if no error occurred, otherwise, errno</returns>
        /// <param name="fd">File handle</param>
        /// <param name="buffer">Buffer for SCSI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA returned non-OK status</param>
        /// <param name="registers">Registers to send to the device</param>
        /// <param name="errorRegisters">Registers returned by the device</param>
        /// <param name="protocol">ATA protocol to use</param>
        /// <param name="transferRegister">What register contains the transfer length</param>
        /// <param name="transferBlocks">Set to <c>true</c> if the transfer length is in block, otherwise it is in bytes</param>
        /// <exception cref="InvalidOperationException">If the specified platform is not supported</exception>
        internal 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)
        {
            PlatformID ptId = DetectOS.GetRealPlatformID();

            return(SendAtaCommand(ptId, fd, registers, out errorRegisters, protocol, transferRegister, ref buffer,
                                  timeout, transferBlocks, out duration, out sense));
        }
Exemplo n.º 7
0
        /// <summary>Sends an ATA/ATAPI command to this device using 48-bit LBA addressing</summary>
        /// <returns>0 if no error occurred, otherwise, errno</returns>
        /// <param name="registers">ATA registers.</param>
        /// <param name="errorRegisters">Status/error registers.</param>
        /// <param name="protocol">ATA Protocol.</param>
        /// <param name="transferRegister">Indicates which register indicates the transfer length</param>
        /// <param name="buffer">Buffer for ATA/ATAPI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="transferBlocks">
        ///     If set to <c>true</c>, transfer is indicated in blocks, otherwise, it is indicated in
        ///     bytes.
        /// </param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA/ATAPI command returned non-OK status</param>
        public int SendAtaCommand(AtaRegistersLba48 registers, out AtaErrorRegistersLba48 errorRegisters,
                                  AtaProtocol protocol, AtaTransferRegister transferRegister, ref byte[] buffer,
                                  uint timeout, bool transferBlocks, out double duration, out bool sense)
        {
            if (!(_remote is null))
            {
                return(_remote.SendAtaCommand(registers, out errorRegisters, protocol, transferRegister, ref buffer,
                                              timeout, transferBlocks, out duration, out sense));
            }

            return(Command.SendAtaCommand(PlatformId, FileHandle, registers, out errorRegisters, protocol,
                                          transferRegister, ref buffer, timeout, transferBlocks, out duration,
                                          out sense));
        }
Exemplo n.º 8
0
        /// <summary>Sends an ATA command in 48-bit LBA mode</summary>
        /// <returns>0 if no error occurred, otherwise, errno</returns>
        /// <param name="fd">File handle</param>
        /// <param name="buffer">Buffer for SCSI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA error returned non-OK status</param>
        /// <param name="registers">Registers to send to drive</param>
        /// <param name="errorRegisters">Registers returned by drive</param>
        /// <param name="protocol">ATA protocol to use</param>
        /// <param name="transferRegister">Which register contains the transfer count</param>
        /// <param name="transferBlocks">Set to <c>true</c> if the transfer count is in blocks, otherwise it is in bytes</param>
        internal static int SendAtaCommand(int fd, AtaRegistersLba48 registers,
                                           out AtaErrorRegistersLba48 errorRegisters, AtaProtocol protocol,
                                           AtaTransferRegister transferRegister, ref byte[] buffer, uint timeout,
                                           bool transferBlocks, out double duration, out bool sense)
        {
            duration       = 0;
            sense          = false;
            errorRegisters = new AtaErrorRegistersLba48();

            if (buffer == null)
            {
                return(-1);
            }

            byte[] cdb = new byte[16];
            cdb[0]  = (byte)ScsiCommands.AtaPassThrough16;
            cdb[1]  = (byte)(((byte)protocol << 1) & 0x1E);
            cdb[1] |= 0x01;

            if (transferRegister != AtaTransferRegister.NoTransfer &&
                protocol != AtaProtocol.NonData)
            {
                switch (protocol)
                {
                case AtaProtocol.PioIn:
                case AtaProtocol.UDmaIn:
                    cdb[2] = 0x08;

                    break;

                default:
                    cdb[2] = 0x00;

                    break;
                }

                if (transferBlocks)
                {
                    cdb[2] |= 0x04;
                }

                cdb[2] |= (byte)((int)transferRegister & 0x03);
            }

            cdb[2] |= 0x20;

            cdb[3]  = (byte)((registers.Feature & 0xFF00) >> 8);
            cdb[4]  = (byte)(registers.Feature & 0xFF);
            cdb[5]  = (byte)((registers.SectorCount & 0xFF00) >> 8);
            cdb[6]  = (byte)(registers.SectorCount & 0xFF);
            cdb[7]  = (byte)((registers.LbaLow & 0xFF00) >> 8);
            cdb[8]  = (byte)(registers.LbaLow & 0xFF);
            cdb[9]  = (byte)((registers.LbaMid & 0xFF00) >> 8);
            cdb[10] = (byte)(registers.LbaMid & 0xFF);
            cdb[11] = (byte)((registers.LbaHigh & 0xFF00) >> 8);
            cdb[12] = (byte)(registers.LbaHigh & 0xFF);
            cdb[13] = registers.DeviceHead;
            cdb[14] = registers.Command;

            int error = SendScsiCommand(fd, cdb, ref buffer, out byte[] senseBuffer, timeout,
                                        AtaProtocolToScsiDirection(protocol), out duration, out sense);

            if (senseBuffer.Length < 22 ||
                (senseBuffer[8] != 0x09 && senseBuffer[9] != 0x0C))
            {
                return(error);
            }

            errorRegisters.Error = senseBuffer[11];

            errorRegisters.SectorCount = (ushort)((senseBuffer[12] << 8) + senseBuffer[13]);
            errorRegisters.LbaLow      = (ushort)((senseBuffer[14] << 8) + senseBuffer[15]);
            errorRegisters.LbaMid      = (ushort)((senseBuffer[16] << 8) + senseBuffer[17]);
            errorRegisters.LbaHigh     = (ushort)((senseBuffer[18] << 8) + senseBuffer[19]);
            errorRegisters.DeviceHead  = senseBuffer[20];
            errorRegisters.Status      = senseBuffer[21];

            sense = errorRegisters.Error != 0 || (errorRegisters.Status & 0xA5) != 0;

            sense |= error != 0;

            return(error);
        }
Exemplo n.º 9
0
        /// <summary>
        ///     Sends an ATA command in 48-bit LBA mode
        /// </summary>
        /// <returns>0 if no error occurred, otherwise, errno</returns>
        /// <param name="fd">File handle</param>
        /// <param name="buffer">Buffer for SCSI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA error returned non-OK status</param>
        /// <param name="registers">Registers to send to drive</param>
        /// <param name="errorRegisters">Registers returned by drive</param>
        /// <param name="protocol">ATA protocol to use</param>
        internal static int SendAtaCommand(SafeFileHandle fd, AtaRegistersLba48 registers,
                                           out AtaErrorRegistersLba48 errorRegisters, AtaProtocol protocol,
                                           ref byte[]                 buffer, uint timeout,
                                           out double duration, out bool sense)
        {
            duration       = 0;
            sense          = false;
            errorRegisters = new AtaErrorRegistersLba48();

            if (buffer == null)
            {
                return(-1);
            }

            uint offsetForBuffer = (uint)(Marshal.SizeOf(typeof(AtaPassThroughDirect)) + Marshal.SizeOf(typeof(uint)));

            AtaPassThroughDirectWithBuffer aptdBuf = new AtaPassThroughDirectWithBuffer
            {
                aptd = new AtaPassThroughDirect
                {
                    TimeOutValue       = timeout,
                    DataBuffer         = (IntPtr)offsetForBuffer,
                    Length             = (ushort)Marshal.SizeOf(typeof(AtaPassThroughDirect)),
                    DataTransferLength = (uint)buffer.Length,
                    PreviousTaskFile   =
                        new AtaTaskFile
                    {
                        CylinderHigh = (byte)((registers.LbaHigh & 0xFF00) >> 8),
                        CylinderLow  = (byte)((registers.LbaMid & 0xFF00) >> 8),
                        Features     = (byte)((registers.Feature & 0xFF00) >> 8),
                        SectorCount  = (byte)((registers.SectorCount & 0xFF00) >> 8),
                        SectorNumber = (byte)((registers.LbaLow & 0xFF00) >> 8)
                    },
                    CurrentTaskFile = new AtaTaskFile
                    {
                        Command      = registers.Command,
                        CylinderHigh = (byte)(registers.LbaHigh & 0xFF),
                        CylinderLow  = (byte)(registers.LbaMid & 0xFF),
                        DeviceHead   = registers.DeviceHead,
                        Features     = (byte)(registers.Feature & 0xFF),
                        SectorCount  = (byte)(registers.SectorCount & 0xFF),
                        SectorNumber = (byte)(registers.LbaLow & 0xFF)
                    }
                },
                dataBuffer = new byte[64 * 512]
            };

            switch (protocol)
            {
            case AtaProtocol.PioIn:
            case AtaProtocol.UDmaIn:
            case AtaProtocol.Dma:
                aptdBuf.aptd.AtaFlags = AtaFlags.DataIn;
                break;

            case AtaProtocol.PioOut:
            case AtaProtocol.UDmaOut:
                aptdBuf.aptd.AtaFlags = AtaFlags.DataOut;
                break;
            }

            switch (protocol)
            {
            case AtaProtocol.Dma:
            case AtaProtocol.DmaQueued:
            case AtaProtocol.FpDma:
            case AtaProtocol.UDmaIn:
            case AtaProtocol.UDmaOut:
                aptdBuf.aptd.AtaFlags |= AtaFlags.Dma;
                break;
            }

            // Unknown if needed
            aptdBuf.aptd.AtaFlags |= AtaFlags.DrdyRequired;

            uint k     = 0;
            int  error = 0;

            Array.Copy(buffer, 0, aptdBuf.dataBuffer, 0, buffer.Length);

            DateTime start = DateTime.Now;

            sense = !Extern.DeviceIoControlAta(fd, WindowsIoctl.IoctlAtaPassThrough, ref aptdBuf,
                                               (uint)Marshal.SizeOf(aptdBuf), ref aptdBuf,
                                               (uint)Marshal.SizeOf(aptdBuf), ref k, IntPtr.Zero);
            DateTime end = DateTime.Now;

            if (sense)
            {
                error = Marshal.GetLastWin32Error();
            }

            Array.Copy(aptdBuf.dataBuffer, 0, buffer, 0, buffer.Length);

            duration = (end - start).TotalMilliseconds;

            errorRegisters.SectorCount = (ushort)((aptdBuf.aptd.PreviousTaskFile.SectorCount << 8) +
                                                  aptdBuf.aptd.CurrentTaskFile.SectorCount);
            errorRegisters.LbaLow = (ushort)((aptdBuf.aptd.PreviousTaskFile.SectorNumber << 8) +
                                             aptdBuf.aptd.CurrentTaskFile.SectorNumber);
            errorRegisters.LbaMid = (ushort)((aptdBuf.aptd.PreviousTaskFile.CylinderLow << 8) +
                                             aptdBuf.aptd.CurrentTaskFile.CylinderLow);
            errorRegisters.LbaHigh = (ushort)((aptdBuf.aptd.PreviousTaskFile.CylinderHigh << 8) +
                                              aptdBuf.aptd.CurrentTaskFile.CylinderHigh);
            errorRegisters.DeviceHead = aptdBuf.aptd.CurrentTaskFile.DeviceHead;
            errorRegisters.Error      = aptdBuf.aptd.CurrentTaskFile.Error;
            errorRegisters.Status     = aptdBuf.aptd.CurrentTaskFile.Status;

            sense = errorRegisters.Error != 0 || (errorRegisters.Status & 0xA5) != 0;

            return(error);
        }
Exemplo n.º 10
0
        /// <summary>Sends an ATA command in 48-bit mode</summary>
        /// <returns>0 if no error occurred, otherwise, errno</returns>
        /// <param name="dev">CAM device</param>
        /// <param name="buffer">Buffer for SCSI command response</param>
        /// <param name="timeout">Timeout in seconds</param>
        /// <param name="duration">Time it took to execute the command in milliseconds</param>
        /// <param name="sense"><c>True</c> if ATA error returned non-OK status</param>
        /// <param name="registers">Registers to send to drive</param>
        /// <param name="errorRegisters">Registers returned by drive</param>
        /// <param name="protocol">ATA protocol to use</param>
        internal static int SendAtaCommand(IntPtr dev, AtaRegistersLba48 registers,
                                           out AtaErrorRegistersLba48 errorRegisters, AtaProtocol protocol,
                                           ref byte[] buffer, uint timeout, out double duration, out bool sense)
        {
            duration       = 0;
            sense          = false;
            errorRegisters = new AtaErrorRegistersLba48();

            // 48-bit ATA CAM commands can crash FreeBSD < 9.2-RELEASE
            if ((Environment.Version.Major == 9 && Environment.Version.Minor < 2) ||
                Environment.Version.Major < 9)
            {
                return(-1);
            }

            if (buffer == null)
            {
                return(-1);
            }

            IntPtr ccbPtr = cam_getccb(dev);

            var ataio = (CcbAtaio)Marshal.PtrToStructure(ccbPtr, typeof(CcbAtaio));

            ataio.ccb_h.func_code   = XptOpcode.XptAtaIo;
            ataio.ccb_h.flags       = AtaProtocolToCamFlags(protocol);
            ataio.ccb_h.xflags      = 0;
            ataio.ccb_h.retry_count = 1;
            ataio.ccb_h.cbfcnp      = IntPtr.Zero;
            ataio.ccb_h.timeout     = timeout;
            ataio.data_ptr          = Marshal.AllocHGlobal(buffer.Length);
            ataio.dxfer_len         = (uint)buffer.Length;
            ataio.ccb_h.flags      |= CcbFlags.CamDevQfrzdis;
            ataio.cmd.flags         = CamAtaIoFlags.NeedResult | CamAtaIoFlags.ExtendedCommand;

            switch (protocol)
            {
            case AtaProtocol.Dma:
            case AtaProtocol.DmaQueued:
            case AtaProtocol.UDmaIn:
            case AtaProtocol.UDmaOut:
                ataio.cmd.flags |= CamAtaIoFlags.Dma;

                break;

            case AtaProtocol.FpDma:
                ataio.cmd.flags |= CamAtaIoFlags.Fpdma;

                break;
            }

            ataio.cmd.lba_high_exp     = (byte)((registers.LbaHigh & 0xFF00) >> 8);
            ataio.cmd.lba_mid_exp      = (byte)((registers.LbaMid & 0xFF00) >> 8);
            ataio.cmd.features_exp     = (byte)((registers.Feature & 0xFF00) >> 8);
            ataio.cmd.sector_count_exp = (byte)((registers.SectorCount & 0xFF00) >> 8);
            ataio.cmd.lba_low_exp      = (byte)((registers.LbaLow & 0xFF00) >> 8);
            ataio.cmd.lba_high         = (byte)(registers.LbaHigh & 0xFF);
            ataio.cmd.lba_mid          = (byte)(registers.LbaMid & 0xFF);
            ataio.cmd.features         = (byte)(registers.Feature & 0xFF);
            ataio.cmd.sector_count     = (byte)(registers.SectorCount & 0xFF);
            ataio.cmd.lba_low          = (byte)(registers.LbaLow & 0xFF);
            ataio.cmd.command          = registers.Command;
            ataio.cmd.device           = (byte)(0x40 | registers.DeviceHead);

            Marshal.Copy(buffer, 0, ataio.data_ptr, buffer.Length);
            Marshal.StructureToPtr(ataio, ccbPtr, false);

            DateTime start = DateTime.UtcNow;
            int      error = cam_send_ccb(dev, ccbPtr);
            DateTime end   = DateTime.UtcNow;

            if (error < 0)
            {
                error = Marshal.GetLastWin32Error();
            }

            ataio = (CcbAtaio)Marshal.PtrToStructure(ccbPtr, typeof(CcbAtaio));

            if ((ataio.ccb_h.status & CamStatus.CamStatusMask) != CamStatus.CamReqCmp &&
                (ataio.ccb_h.status & CamStatus.CamStatusMask) != CamStatus.CamScsiStatusError)
            {
                error = Marshal.GetLastWin32Error();
                AaruConsole.DebugWriteLine("FreeBSD devices", "CAM status {0} error {1}", ataio.ccb_h.status, error);
                sense = true;
            }

            if ((ataio.ccb_h.status & CamStatus.CamStatusMask) == CamStatus.CamAtaStatusError)
            {
                sense = true;
            }

            errorRegisters.SectorCount = (ushort)((ataio.res.sector_count_exp << 8) + ataio.res.sector_count);
            errorRegisters.LbaLow      = (ushort)((ataio.res.lba_low_exp << 8) + ataio.res.lba_low);
            errorRegisters.LbaMid      = (ushort)((ataio.res.lba_mid_exp << 8) + ataio.res.lba_mid);
            errorRegisters.LbaHigh     = (ushort)((ataio.res.lba_high_exp << 8) + ataio.res.lba_high);
            errorRegisters.DeviceHead  = ataio.res.device;
            errorRegisters.Error       = ataio.res.error;
            errorRegisters.Status      = ataio.res.status;

            buffer = new byte[ataio.dxfer_len];

            Marshal.Copy(ataio.data_ptr, buffer, 0, buffer.Length);
            duration = (end - start).TotalMilliseconds;

            Marshal.FreeHGlobal(ataio.data_ptr);
            cam_freeccb(ccbPtr);

            sense = errorRegisters.Error != 0 || (errorRegisters.Status & 0xA5) != 0 || error != 0;

            return(error);
        }
Exemplo n.º 11
0
        public int SendAtaCommand(AtaRegistersLba48 registers, out AtaErrorRegistersLba48 errorRegisters,
                                  AtaProtocol protocol, AtaTransferRegister transferRegister, ref byte[] buffer,
                                  uint timeout, bool transferBlocks, out double duration, out bool sense)
        {
            duration       = 0;
            sense          = true;
            errorRegisters = new AtaErrorRegistersLba48();

            var cmdPkt = new AaruPacketCmdAtaLba48
            {
                hdr = new AaruPacketHeader
                {
                    remote_id  = Consts.RemoteId, packet_id = Consts.PacketId, version = Consts.PacketVersion,
                    packetType = AaruPacketType.CommandAtaLba48
                },
                registers      = registers, protocol = (byte)protocol, transferRegister = (byte)transferRegister,
                transferBlocks = transferBlocks, timeout = timeout * 1000
            };

            if (buffer != null)
            {
                cmdPkt.buf_len = (uint)buffer.Length;
            }

            cmdPkt.hdr.len = (uint)(Marshal.SizeOf <AaruPacketCmdAtaLba48>() + cmdPkt.buf_len);

            byte[] pktBuf = Marshal.StructureToByteArrayLittleEndian(cmdPkt);
            byte[] buf    = new byte[cmdPkt.hdr.len];

            Array.Copy(pktBuf, 0, buf, 0, Marshal.SizeOf <AaruPacketCmdAtaLba48>());

            if (buffer != null)
            {
                Array.Copy(buffer, 0, buf, Marshal.SizeOf <AaruPacketCmdAtaLba48>(), cmdPkt.buf_len);
            }

            int len = _socket.Send(buf, SocketFlags.None);

            if (len != buf.Length)
            {
                AaruConsole.ErrorWriteLine("Could not write to the network...");

                return(-1);
            }

            byte[] hdrBuf = new byte[Marshal.SizeOf <AaruPacketHeader>()];

            len = Receive(_socket, hdrBuf, hdrBuf.Length, SocketFlags.Peek);

            if (len < hdrBuf.Length)
            {
                AaruConsole.ErrorWriteLine("Could not read from the network...");

                return(-1);
            }

            AaruPacketHeader hdr = Marshal.ByteArrayToStructureLittleEndian <AaruPacketHeader>(hdrBuf);

            if (hdr.remote_id != Consts.RemoteId ||
                hdr.packet_id != Consts.PacketId)
            {
                AaruConsole.ErrorWriteLine("Received data is not an Aaru Remote Packet...");

                return(-1);
            }

            if (hdr.packetType != AaruPacketType.ResponseAtaLba48)
            {
                AaruConsole.ErrorWriteLine("Expected ATA LBA48 Response Packet, got packet type {0}...",
                                           hdr.packetType);

                return(-1);
            }

            buf = new byte[hdr.len];
            len = Receive(_socket, buf, buf.Length, SocketFlags.None);

            if (len < buf.Length)
            {
                AaruConsole.ErrorWriteLine("Could not read from the network...");

                return(-1);
            }

            AaruPacketResAtaLba48 res = Marshal.ByteArrayToStructureLittleEndian <AaruPacketResAtaLba48>(buf);

            buffer = new byte[res.buf_len];
            Array.Copy(buf, Marshal.SizeOf <AaruPacketResAtaLba48>(), buffer, 0, res.buf_len);
            duration       = res.duration;
            sense          = res.sense != 0;
            errorRegisters = res.registers;

            return((int)res.error_no);
        }