Files
CarlMonitor/LibreHardwareMonitor-0.9.4/LibreHardwareMonitorLib/Hardware/Storage/NVMeSamsung.cs
2025-04-07 07:44:27 -07:00

261 lines
13 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.Linq;
using System.Runtime.InteropServices;
using LibreHardwareMonitor.Interop;
using Microsoft.Win32.SafeHandles;
namespace LibreHardwareMonitor.Hardware.Storage;
internal class NVMeSamsung : INVMeDrive
{
//samsung nvme access
//https://github.com/hiyohiyo/CrystalDiskInfo
//https://github.com/hiyohiyo/CrystalDiskInfo/blob/master/AtaSmart.cpp
public SafeHandle Identify(StorageInfo storageInfo)
{
return NVMeWindows.IdentifyDevice(storageInfo);
}
public bool IdentifyController(SafeHandle hDevice, out Kernel32.NVME_IDENTIFY_CONTROLLER_DATA data)
{
data = Kernel32.CreateStruct<Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>();
if (hDevice?.IsInvalid != false)
return false;
bool result = false;
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40; // Transfer Length
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 1;
int length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 2; // Transfer Length (high)
buffers.Spt.Cdb[9] = 0; // Transfer Length (low)
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer && buffers.DataBuf.Any(x => x != 0))
{
IntPtr offset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
data = Marshal.PtrToStructure<Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>(newPtr);
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
}
return result;
}
public bool HealthInfoLog(SafeHandle hDevice, out Kernel32.NVME_HEALTH_INFO_LOG data)
{
data = Kernel32.CreateStruct<Kernel32.NVME_HEALTH_INFO_LOG>();
if (hDevice?.IsInvalid != false)
return false;
bool result = false;
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 6; // Log Data
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40; // Transfer Length
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 2;
buffers.DataBuf[4] = 0xff;
buffers.DataBuf[5] = 0xff;
buffers.DataBuf[6] = 0xff;
buffers.DataBuf[7] = 0xff;
int length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 6; // Log Data
buffers.Spt.Cdb[8] = 2; // Transfer Length (high)
buffers.Spt.Cdb[9] = 0; // Transfer Length (low)
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
IntPtr offset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
data = Marshal.PtrToStructure<Kernel32.NVME_HEALTH_INFO_LOG>(newPtr);
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
}
return result;
}
public static SafeHandle IdentifyDevice(StorageInfo storageInfo)
{
SafeFileHandle handle = Kernel32.OpenDevice(storageInfo.DeviceId);
if (handle?.IsInvalid != false)
return null;
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 0; // Transfer Length
buffers.Spt.Cdb[9] = 0x40;
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
buffers.DataBuf[0] = 1;
int length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
Marshal.FreeHGlobal(buffer);
if (validTransfer)
{
//read data from samsung SSD
buffers = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffers.Spt.Length = (ushort)Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
buffers.Spt.PathId = 0;
buffers.Spt.TargetId = 0;
buffers.Spt.Lun = 0;
buffers.Spt.SenseInfoLength = 24;
buffers.Spt.DataTransferLength = (uint)buffers.DataBuf.Length;
buffers.Spt.TimeOutValue = 2;
buffers.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
buffers.Spt.SenseInfoOffset = (uint)Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
buffers.Spt.CdbLength = 16;
buffers.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
buffers.Spt.Cdb[1] = 0xFE; // Samsung Protocol
buffers.Spt.Cdb[3] = 5; // Identify
buffers.Spt.Cdb[8] = 2; // Transfer Length
buffers.Spt.Cdb[9] = 0;
buffers.Spt.DataIn = (byte)Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(buffers, buffer, false);
validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS result = Marshal.PtrToStructure<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(buffer);
if (result.DataBuf.All(x => x == 0))
{
handle.Close();
handle = null;
}
}
else
{
handle.Close();
handle = null;
}
Marshal.FreeHGlobal(buffer);
}
return handle;
}
}