Files
ReLibreHardwareMonitor/LibreHardwareMonitorLib/Hardware/Storage/WindowsStorage.cs
T

111 lines
4.5 KiB
C#

// This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0.
// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
// Copyright (C) LibreHardwareMonitor and Contributors.
// All Rights Reserved.
using System;
using System.Collections.Generic;
using System.Management;
using System.Runtime.InteropServices;
using LibreHardwareMonitor.Interop;
namespace LibreHardwareMonitor.Hardware.Storage
{
internal static class WindowsStorage
{
public static Storage.StorageInfo GetStorageInfo(string deviceId, uint driveIndex)
{
using (SafeHandle handle = Kernel32.OpenDevice(deviceId))
{
if (handle == null || handle.IsInvalid)
return null;
var query = new Kernel32.STORAGE_PROPERTY_QUERY { PropertyId = Kernel32.STORAGE_PROPERTY_ID.StorageDeviceProperty, QueryType = Kernel32.STORAGE_QUERY_TYPE.PropertyStandardQuery };
if (!Kernel32.DeviceIoControl(handle,
Kernel32.IOCTL.IOCTL_STORAGE_QUERY_PROPERTY,
ref query,
Marshal.SizeOf(query),
out Kernel32.STORAGE_DEVICE_DESCRIPTOR_HEADER header,
Marshal.SizeOf<Kernel32.STORAGE_DEVICE_DESCRIPTOR_HEADER>(),
out _,
IntPtr.Zero))
{
return null;
}
IntPtr descriptorPtr = Marshal.AllocHGlobal((int)header.Size);
try
{
if (!Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_STORAGE_QUERY_PROPERTY, ref query, Marshal.SizeOf(query), descriptorPtr, header.Size, out _, IntPtr.Zero))
return null;
return new StorageInfo((int)driveIndex, descriptorPtr);
}
finally
{
Marshal.FreeHGlobal(descriptorPtr);
}
}
}
public static string[] GetLogicalDrives(int driveIndex)
{
var list = new List<string>();
try
{
using (var s = new ManagementObjectSearcher("root\\CIMV2", "SELECT * FROM Win32_DiskPartition " + "WHERE DiskIndex = " + driveIndex))
{
using (ManagementObjectCollection dpc = s.Get())
{
foreach (ManagementBaseObject o in dpc)
{
if (o is ManagementObject dp)
{
using (ManagementObjectCollection ldc = dp.GetRelated("Win32_LogicalDisk"))
{
foreach (ManagementBaseObject ld in ldc)
{
list.Add(((string)ld["Name"]).TrimEnd(':'));
}
}
}
}
}
}
}
catch
{
// Ignored.
}
return list.ToArray();
}
private class StorageInfo : Storage.StorageInfo
{
public StorageInfo(int index, IntPtr descriptorPtr)
{
Kernel32.STORAGE_DEVICE_DESCRIPTOR descriptor = Marshal.PtrToStructure<Kernel32.STORAGE_DEVICE_DESCRIPTOR>(descriptorPtr);
Index = index;
Vendor = GetString(descriptorPtr, descriptor.VendorIdOffset);
Product = GetString(descriptorPtr, descriptor.ProductIdOffset);
Revision = GetString(descriptorPtr, descriptor.ProductRevisionOffset);
Serial = GetString(descriptorPtr, descriptor.SerialNumberOffset);
BusType = descriptor.BusType;
Removable = descriptor.RemovableMedia;
RawData = new byte[descriptor.Size];
Marshal.Copy(descriptorPtr, RawData, 0, RawData.Length);
}
private static string GetString(IntPtr descriptorPtr, uint offset)
{
return offset > 0 ? Marshal.PtrToStringAnsi(new IntPtr(descriptorPtr.ToInt64() + offset))?.Trim() : string.Empty;
}
}
}
}