using System;
using System.Runtime.InteropServices;
using System.Text;

namespace disck
{
??? [Serializable]
??? public struct HardDiskInfo
??? {
??????? /// <summary>
??????? /// 型號廠商
??????? /// </summary>
??????? public string ModuleNumber;
??????? /// <summary>
??????? /// 固件版本
??????? /// </summary>
??????? public string Firmware;
??????? /// <summary>
??????? /// 物理序列號
??????? /// </summary>
??????? public string SerialNumber;
??????? /// <summary>
??????? /// 容量，以M為單位
??????? /// </summary>
??????? public uint Capacity;
??? }

??? #region Internal Structs

??? [StructLayout(LayoutKind.Sequential, Pack = 1)]
??? internal struct GetVersionOutParams
??? {
??????? public byte bVersion;
??????? public byte bRevision;
??????? public byte bReserved;
??????? public byte bIDEDeviceMap;
??????? public uint fCapabilities;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
??????? public uint[] dwReserved; // For future use.
??? }

??? [StructLayout(LayoutKind.Sequential, Pack = 1)]
??? internal struct IdeRegs
??? {
??????? public byte bFeaturesReg;
??????? public byte bSectorCountReg;
??????? public byte bSectorNumberReg;
??????? public byte bCylLowReg;
??????? public byte bCylHighReg;
??????? public byte bDriveHeadReg;
??????? public byte bCommandReg;
??????? public byte bReserved;
??? }

??? [StructLayout(LayoutKind.Sequential, Pack = 1)]
??? internal struct SendCmdInParams
??? {
??????? public uint cBufferSize;
??????? public IdeRegs irDriveRegs;
??????? public byte bDriveNumber;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
??????? public byte[] bReserved;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 4)]
??????? public uint[] dwReserved;
??????? public byte bBuffer;
??? }

??? [StructLayout(LayoutKind.Sequential, Pack = 1)]
??? internal struct DriverStatus
??? {
??????? public byte bDriverError;
??????? public byte bIDEStatus;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
??????? public byte[] bReserved;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 2)]
??????? public uint[] dwReserved;
??? }

??? [StructLayout(LayoutKind.Sequential, Pack = 1)]
??? internal struct SendCmdOutParams
??? {
??????? public uint cBufferSize;
??????? public DriverStatus DriverStatus;
??????? public IdSector bBuffer;
??? }

??? [StructLayout(LayoutKind.Sequential, Pack = 1, Size = 512)]
??? internal struct IdSector
??? {
??????? public ushort wGenConfig;
??????? public ushort wNumCyls;
??????? public ushort wReserved;
??????? public ushort wNumHeads;
??????? public ushort wBytesPerTrack;
??????? public ushort wBytesPerSector;
??????? public ushort wSectorsPerTrack;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 3)]
??????? public ushort[] wVendorUnique;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 20)]
??????? public byte[] sSerialNumber;
??????? public ushort wBufferType;
??????? public ushort wBufferSize;
??????? public ushort wECCSize;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 8)]
??????? public byte[] sFirmwareRev;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 40)]
??????? public byte[] sModelNumber;
??????? public ushort wMoreVendorUnique;
??????? public ushort wDoubleWordIO;
??????? public ushort wCapabilities;
??????? public ushort wReserved1;
??????? public ushort wPIOTiming;
??????? public ushort wDMATiming;
??????? public ushort wBS;
??????? public ushort wNumCurrentCyls;
??????? public ushort wNumCurrentHeads;
??????? public ushort wNumCurrentSectorsPerTrack;
??????? public uint ulCurrentSectorCapacity;
??????? public ushort wMultSectorStuff;
??????? public uint ulTotalAddressableSectors;
??????? public ushort wSingleWordDMA;
??????? public ushort wMultiWordDMA;
??????? [MarshalAs(UnmanagedType.ByValArray, SizeConst = 128)]
??????? public byte[] bReserved;
??? }

??? #endregion

??? /// <summary>
??? /// ATAPI驅動器相關
??? /// </summary>
??? public class AtapiDevice
??? {

??????? #region DllImport

??????? [DllImport("kernel32.dll", SetLastError = true)]
??????? static extern int CloseHandle(IntPtr hObject);

??????? [DllImport("kernel32.dll", SetLastError = true)]
??????? static extern IntPtr CreateFile(
??????? string lpFileName,
??????? uint dwDesiredAccess,
??????? uint dwShareMode,
??????? IntPtr lpSecurityAttributes,
??????? uint dwCreationDisposition,
??????? uint dwFlagsAndAttributes,
??????? IntPtr hTemplateFile);

??????? [DllImport("kernel32.dll")]
??????? static extern int DeviceIoControl(
??????? IntPtr hDevice,
??????? uint dwIoControlCode,
??????? IntPtr lpInBuffer,
??????? uint nInBufferSize,
??????? ref GetVersionOutParams lpOutBuffer,
??????? uint nOutBufferSize,
??????? ref uint lpBytesReturned,
??????? [Out] IntPtr lpOverlapped);

??????? [DllImport("kernel32.dll")]
??????? static extern int DeviceIoControl(
??????? IntPtr hDevice,
??????? uint dwIoControlCode,
??????? ref SendCmdInParams lpInBuffer,
??????? uint nInBufferSize,
??????? ref SendCmdOutParams lpOutBuffer,
??????? uint nOutBufferSize,
??????? ref uint lpBytesReturned,
??????? [Out] IntPtr lpOverlapped);

??????? const uint DFP_GET_VERSION = 0x00074080;
??????? const uint DFP_SEND_DRIVE_COMMAND = 0x0007c084;
??????? const uint DFP_RECEIVE_DRIVE_DATA = 0x0007c088;

??????? const uint GENERIC_READ = 0x80000000;
??????? const uint GENERIC_WRITE = 0x40000000;
??????? const uint FILE_SHARE_READ = 0x00000001;
??????? const uint FILE_SHARE_WRITE = 0x00000002;
??????? const uint CREATE_NEW = 1;
??????? const uint OPEN_EXISTING = 3;

??????? #endregion

??????? #region GetHddInfo

??????? /// <summary>
??????? /// 獲得硬盤信息
??????? /// </summary>
??????? /// <param name="driveIndex">
??????? /// 硬盤序號byte temp = new byte(); temp = 0x0;
??????? ///參數根據你的硬盤的數量定?? 0表示第一個硬盤??
??????? ///</param>
??????? /// <returns>硬盤信息</returns>
??????? /// <remarks>
??????? /// 參考lu0的文章：http://lu0s1.3322.org/App/2k1103.html
??????? /// by sunmast for everyone
??????? /// thanks lu0 for his great works
??????? /// 在Windows 98/ME中，S.M.A.R.T并不缺省安裝，請將SMARTVSD.VXD拷貝到%SYSTEM%\IOSUBSYS目錄下。
??????? /// 在Windows 2000/2003下，需要Administrators組的權限。
??????? /// </remarks>
??????? /// <example>
??????? /// AtapiDevice.GetHddInfo()
??????? /// </example>
??????? public static HardDiskInfo GetHddInfo(byte driveIndex)
??????? {
??????????? switch (Environment.OSVersion.Platform)
??????????? {
??????????????? case PlatformID.Win32Windows:
??????????????????? return GetHddInfo9x(driveIndex);
??????????????? case PlatformID.Win32NT:
??????????????????? return GetHddInfoNT(driveIndex);
??????????????? case PlatformID.Win32S:
??????????????????? throw new NotSupportedException("Win32s is not supported.");
??????????????? case PlatformID.WinCE:
??????????????????? throw new NotSupportedException("WinCE is not supported.");
??????????????? default:
??????????????????? throw new NotSupportedException("Unknown Platform.");
??????????? }
??????? }

??????? #region GetHddInfo9x

??????? private static HardDiskInfo GetHddInfo9x(byte driveIndex)
??????? {
??????????? GetVersionOutParams vers = new GetVersionOutParams();
??????????? SendCmdInParams inParam = new SendCmdInParams();
??????????? SendCmdOutParams outParam = new SendCmdOutParams();
??????????? uint bytesReturned = 0;

??????????? IntPtr hDevice = CreateFile(
??????????? @"\\.\Smartvsd",
??????????? 0,
??????????? 0,
??????????? IntPtr.Zero,
??????????? CREATE_NEW,
??????????? 0,
??????????? IntPtr.Zero);
??????????? if (hDevice == IntPtr.Zero)
??????????? {
??????????????? throw new Exception("Open smartvsd.vxd failed.");
??????????? }
??????????? if (0 == DeviceIoControl(
??????????? hDevice,
??????????? DFP_GET_VERSION,
??????????? IntPtr.Zero,
??????????? 0,
??????????? ref vers,
??????????? (uint)Marshal.SizeOf(vers),
??????????? ref bytesReturned,
??????????? IntPtr.Zero))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception("DeviceIoControl failed:DFP_GET_VERSION");
??????????? }
??????????? // If IDE identify command not supported, fails
??????????? if (0 == (vers.fCapabilities & 1))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception("Error: IDE identify command not supported.");
??????????? }
??????????? if (0 != (driveIndex & 1))
??????????? {
??????????????? inParam.irDriveRegs.bDriveHeadReg = 0xb0;
??????????? }
??????????? else
??????????? {
??????????????? inParam.irDriveRegs.bDriveHeadReg = 0xa0;
??????????? }
??????????? if (0 != (vers.fCapabilities & (16 >> driveIndex)))
??????????? {
??????????????? // We don''t detect a ATAPI device.
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it", driveIndex + 1));
??????????? }
??????????? else
??????????? {
??????????????? inParam.irDriveRegs.bCommandReg = 0xec;
??????????? }
??????????? inParam.bDriveNumber = driveIndex;
??????????? inParam.irDriveRegs.bSectorCountReg = 1;
??????????? inParam.irDriveRegs.bSectorNumberReg = 1;
??????????? inParam.cBufferSize = 512;
??????????? if (0 == DeviceIoControl(
??????????? hDevice,
??????????? DFP_RECEIVE_DRIVE_DATA,
??????????? ref inParam,
??????????? (uint)Marshal.SizeOf(inParam),
??????????? ref outParam,
??????????? (uint)Marshal.SizeOf(outParam),
??????????? ref bytesReturned,
??????????? IntPtr.Zero))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
??????????? }
??????????? CloseHandle(hDevice);

??????????? return GetHardDiskInfo(outParam.bBuffer);
??????? }

??????? #endregion

??????? #region GetHddInfoNT

??????? private static HardDiskInfo GetHddInfoNT(byte driveIndex)
??????? {
??????????? GetVersionOutParams vers = new GetVersionOutParams();
??????????? SendCmdInParams inParam = new SendCmdInParams();
??????????? SendCmdOutParams outParam = new SendCmdOutParams();
??????????? uint bytesReturned = 0;

??????????? // We start in NT/Win2000
??????????? IntPtr hDevice = CreateFile(
??????????? string.Format(@"\\.\PhysicalDrive{0}", driveIndex),
??????????? GENERIC_READ | GENERIC_WRITE,
??????????? FILE_SHARE_READ | FILE_SHARE_WRITE,
??????????? IntPtr.Zero,
??????????? OPEN_EXISTING,
??????????? 0,
??????????? IntPtr.Zero);
??????????? if (hDevice == IntPtr.Zero)
??????????? {
??????????????? throw new Exception("CreateFile faild.");
??????????? }
??????????? if (0 == DeviceIoControl(
??????????? hDevice,
??????????? DFP_GET_VERSION,
??????????? IntPtr.Zero,
??????????? 0,
??????????? ref vers,
??????????? (uint)Marshal.SizeOf(vers),
??????????? ref bytesReturned,
??????????? IntPtr.Zero))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception(string.Format("Drive {0} may not exists.", driveIndex + 1));
??????????? }
??????????? // If IDE identify command not supported, fails
??????????? if (0 == (vers.fCapabilities & 1))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception("Error: IDE identify command not supported.");
??????????? }
??????????? // Identify the IDE drives
??????????? if (0 != (driveIndex & 1))
??????????? {
??????????????? inParam.irDriveRegs.bDriveHeadReg = 0xb0;
??????????? }
??????????? else
??????????? {
??????????????? inParam.irDriveRegs.bDriveHeadReg = 0xa0;
??????????? }
??????????? if (0 != (vers.fCapabilities & (16 >> driveIndex)))
??????????? {
??????????????? // We don''t detect a ATAPI device.
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception(string.Format("Drive {0} is a ATAPI device, we don''t detect it.", driveIndex + 1));
??????????? }
??????????? else
??????????? {
??????????????? inParam.irDriveRegs.bCommandReg = 0xec;
??????????? }
??????????? inParam.bDriveNumber = driveIndex;
??????????? inParam.irDriveRegs.bSectorCountReg = 1;
??????????? inParam.irDriveRegs.bSectorNumberReg = 1;
??????????? inParam.cBufferSize = 512;

??????????? if (0 == DeviceIoControl(
??????????? hDevice,
??????????? DFP_RECEIVE_DRIVE_DATA,
??????????? ref inParam,
??????????? (uint)Marshal.SizeOf(inParam),
??????????? ref outParam,
??????????? (uint)Marshal.SizeOf(outParam),
??????????? ref bytesReturned,
??????????? IntPtr.Zero))
??????????? {
??????????????? CloseHandle(hDevice);
??????????????? throw new Exception("DeviceIoControl failed: DFP_RECEIVE_DRIVE_DATA");
??????????? }
??????????? CloseHandle(hDevice);

??????????? return GetHardDiskInfo(outParam.bBuffer);
??????? }

??????? #endregion

??????? private static HardDiskInfo GetHardDiskInfo(IdSector phdinfo)
??????? {
??????????? HardDiskInfo hddInfo = new HardDiskInfo();

??????????? ChangeByteOrder(phdinfo.sModelNumber);
??????????? hddInfo.ModuleNumber = Encoding.ASCII.GetString(phdinfo.sModelNumber).Trim();

??????????? ChangeByteOrder(phdinfo.sFirmwareRev);
??????????? hddInfo.Firmware = Encoding.ASCII.GetString(phdinfo.sFirmwareRev).Trim();

??????????? ChangeByteOrder(phdinfo.sSerialNumber);
??????????? hddInfo.SerialNumber = Encoding.ASCII.GetString(phdinfo.sSerialNumber).Trim();

??????????? hddInfo.Capacity = phdinfo.ulTotalAddressableSectors / 2 / 1024;

??????????? return hddInfo;
??????? }

??????? private static void ChangeByteOrder(byte[] charArray)
??????? {
??????????? byte temp;
??????????? for (int i = 0; i < charArray.Length; i += 2)
??????????? {
??????????????? temp = charArray[i];
??????????????? charArray[i] = charArray[i + 1];
??????????????? charArray[i + 1] = temp;
??????????? }
??????? }

??????? #endregion
??? }
}

轉載于:https://www.cnblogs.com/hanwater/archive/2009/06/09/1499755.html

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