243 lines
12 KiB
C#
243 lines
12 KiB
C#
// Mozilla Public License 2.0
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// If a copy of the MPL was not distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
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// Copyright (C) LibreHardwareMonitor and Contributors
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// All Rights Reserved
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using System;
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using System.Runtime.InteropServices;
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using OpenHardwareMonitor.Interop;
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namespace OpenHardwareMonitor.Hardware.HDD {
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internal class NVMeSamsung : INVMeDrive {
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//samsung nvme access
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//https://github.com/hiyohiyo/CrystalDiskInfo
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//https://github.com/hiyohiyo/CrystalDiskInfo/blob/master/AtaSmart.cpp
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public SafeHandle Identify(StorageInfo storageInfo) {
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return NVMeWindows.IdentifyDevice(storageInfo);
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}
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public bool IdentifyController(SafeHandle hDevice, out Kernel32.NVME_IDENTIFY_CONTROLLER_DATA data) {
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data = Kernel32.CreateStruct<Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>();
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if (hDevice == null || hDevice.IsInvalid)
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return false;
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bool result = false;
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IntPtr buffer;
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Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 5; // Identify
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sptwb.Spt.Cdb[8] = 0; // Transfer Length
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sptwb.Spt.Cdb[9] = 0x40; // Transfer Length
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
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sptwb.DataBuf[0] = 1;
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var length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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var validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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Marshal.FreeHGlobal(buffer);
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if (validTransfer) {
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//read data from samsung SSD
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sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 5; // Identify
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sptwb.Spt.Cdb[8] = 2; // Transfer Length (high)
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sptwb.Spt.Cdb[9] = 0; // Transfer Length (low)
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
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length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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if (validTransfer) {
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var offset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
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var item = Marshal.PtrToStructure<Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>(newPtr);
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data = item;
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Marshal.FreeHGlobal(buffer);
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result = true;
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} else {
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Marshal.FreeHGlobal(buffer);
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}
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}
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return result;
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}
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public bool HealthInfoLog(SafeHandle hDevice, out Kernel32.NVME_HEALTH_INFO_LOG data) {
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data = Kernel32.CreateStruct<Kernel32.NVME_HEALTH_INFO_LOG>();
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if (hDevice == null || hDevice.IsInvalid)
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return false;
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bool result = false;
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IntPtr buffer;
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Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 6; // Log Data
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sptwb.Spt.Cdb[8] = 0; // Transfer Length
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sptwb.Spt.Cdb[9] = 0x40; // Transfer Length
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
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sptwb.DataBuf[0] = 2;
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sptwb.DataBuf[4] = 0xff;
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sptwb.DataBuf[5] = 0xff;
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sptwb.DataBuf[6] = 0xff;
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sptwb.DataBuf[7] = 0xff;
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var length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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var validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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Marshal.FreeHGlobal(buffer);
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if (validTransfer) {
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//read data from samsung SSD
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sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 6; // Log Data
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sptwb.Spt.Cdb[8] = 2; // Transfer Length (high)
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sptwb.Spt.Cdb[9] = 0; // Transfer Length (low)
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
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length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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if (validTransfer) {
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var offset = Marshal.OffsetOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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IntPtr newPtr = IntPtr.Add(buffer, offset.ToInt32());
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var item = Marshal.PtrToStructure<Kernel32.NVME_HEALTH_INFO_LOG>(newPtr);
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data = item;
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Marshal.FreeHGlobal(buffer);
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result = true;
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} else {
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Marshal.FreeHGlobal(buffer);
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}
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}
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return result;
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}
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public static SafeHandle IdentifyDevice(StorageInfo storageInfo) {
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var handle = Kernel32.OpenDevice(storageInfo.DeviceId);
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if (handle == null || handle.IsInvalid)
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return null;
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IntPtr buffer;
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Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xB5; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 5; // Identify
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sptwb.Spt.Cdb[8] = 0; // Transfer Length
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sptwb.Spt.Cdb[9] = 0x40;
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_OUT;
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sptwb.DataBuf[0] = 1;
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var length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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var validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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Marshal.FreeHGlobal(buffer);
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if (validTransfer) {
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//read data from samsung SSD
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sptwb = Kernel32.CreateStruct<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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sptwb.Spt.Length = (ushort) Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH>();
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sptwb.Spt.PathId = 0;
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sptwb.Spt.TargetId = 0;
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sptwb.Spt.Lun = 0;
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sptwb.Spt.SenseInfoLength = 24;
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sptwb.Spt.DataTransferLength = Kernel32.SCSI_PASS_THROUGH_BUFFER_SIZE;
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sptwb.Spt.TimeOutValue = 2;
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sptwb.Spt.DataBufferOffset = Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.DataBuf));
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sptwb.Spt.SenseInfoOffset = (uint) Marshal.OffsetOf(typeof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS), nameof(Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS.SenseBuf));
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sptwb.Spt.CdbLength = 16;
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sptwb.Spt.Cdb[0] = 0xA2; // SECURITY PROTOCOL IN
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sptwb.Spt.Cdb[1] = 0xFE; // Samsung Protocol
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sptwb.Spt.Cdb[3] = 5; // Identify
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sptwb.Spt.Cdb[8] = 2; // Transfer Length
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sptwb.Spt.Cdb[9] = 0;
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sptwb.Spt.DataIn = (byte) Kernel32.SCSI_IOCTL_DATA.SCSI_IOCTL_DATA_IN;
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length = Marshal.SizeOf<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>();
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buffer = Marshal.AllocHGlobal(length);
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Marshal.StructureToPtr(sptwb, buffer, false);
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validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_SCSI_PASS_THROUGH, buffer, length, buffer, length, out _, IntPtr.Zero);
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if (validTransfer) {
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Marshal.PtrToStructure<Kernel32.SCSI_PASS_THROUGH_WITH_BUFFERS>(buffer);
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Marshal.FreeHGlobal(buffer);
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} else {
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Marshal.FreeHGlobal(buffer);
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handle.Close();
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handle = null;
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}
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}
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return handle;
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}
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}
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} |