public bool HealthInfoLog(SafeHandle hDevice, out Kernel32.NVME_HEALTH_INFO_LOG data)
{
data = Kernel32.CreateStruct <Kernel32.NVME_HEALTH_INFO_LOG>();
if (hDevice == null || hDevice.IsInvalid)
{
return(false);
}
bool result = false;
Kernel32.STORAGE_QUERY_BUFFER nptwb = Kernel32.CreateStruct <Kernel32.STORAGE_QUERY_BUFFER>();
nptwb.ProtocolSpecific.ProtocolType = Kernel32.STORAGE_PROTOCOL_TYPE.ProtocolTypeNvme;
nptwb.ProtocolSpecific.DataType = (uint)Kernel32.STORAGE_PROTOCOL_NVME_DATA_TYPE.NVMeDataTypeLogPage;
nptwb.ProtocolSpecific.ProtocolDataRequestValue = (uint)Kernel32.NVME_LOG_PAGES.NVME_LOG_PAGE_HEALTH_INFO;
nptwb.ProtocolSpecific.ProtocolDataOffset = (uint)Marshal.SizeOf <Kernel32.STORAGE_PROTOCOL_SPECIFIC_DATA>();
nptwb.ProtocolSpecific.ProtocolDataLength = (uint)nptwb.Buffer.Length;
nptwb.PropertyId = Kernel32.STORAGE_PROPERTY_ID.StorageAdapterProtocolSpecificProperty;
nptwb.QueryType = Kernel32.STORAGE_QUERY_TYPE.PropertyStandardQuery;
int length = Marshal.SizeOf <Kernel32.STORAGE_QUERY_BUFFER>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(nptwb, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_STORAGE_QUERY_PROPERTY, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
//map NVME_HEALTH_INFO_LOG to nptwb.Buffer
var offset = Marshal.OffsetOf <Kernel32.STORAGE_QUERY_BUFFER>(nameof(Kernel32.STORAGE_QUERY_BUFFER.Buffer));
var newPtr = IntPtr.Add(buffer, offset.ToInt32());
var item = Marshal.PtrToStructure <Kernel32.NVME_HEALTH_INFO_LOG>(newPtr);
data = item;
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
return(result);
}
public bool IdentifyController(SafeHandle hDevice, out Kernel32.NVME_IDENTIFY_CONTROLLER_DATA data)
{
data = Kernel32.CreateStruct <Kernel32.NVME_IDENTIFY_CONTROLLER_DATA>();
if (hDevice == null || hDevice.IsInvalid)
{
return(false);
}
bool result = false;
Kernel32.STORAGE_QUERY_BUFFER nptwb = Kernel32.CreateStruct <Kernel32.STORAGE_QUERY_BUFFER>();
nptwb.ProtocolSpecific.ProtocolType = Kernel32.STORAGE_PROTOCOL_TYPE.ProtocolTypeNvme;
nptwb.ProtocolSpecific.DataType = (uint)Kernel32.STORAGE_PROTOCOL_NVME_DATA_TYPE.NVMeDataTypeIdentify;
nptwb.ProtocolSpecific.ProtocolDataRequestValue = (uint)Kernel32.STORAGE_PROTOCOL_NVME_PROTOCOL_DATA_REQUEST_VALUE.NVMeIdentifyCnsController;
nptwb.ProtocolSpecific.ProtocolDataOffset = (uint)Marshal.SizeOf(typeof(Kernel32.STORAGE_PROTOCOL_SPECIFIC_DATA));
nptwb.ProtocolSpecific.ProtocolDataLength = (uint)nptwb.Buffer.Length;
nptwb.PropertyId = Kernel32.STORAGE_PROPERTY_ID.StorageAdapterProtocolSpecificProperty;
nptwb.QueryType = Kernel32.STORAGE_QUERY_TYPE.PropertyStandardQuery;
int length = Marshal.SizeOf(typeof(Kernel32.STORAGE_QUERY_BUFFER));
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(nptwb, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(hDevice, Kernel32.IOCTL.IOCTL_STORAGE_QUERY_PROPERTY, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
//map NVME_IDENTIFY_CONTROLLER_DATA to nptwb.Buffer
IntPtr offset = Marshal.OffsetOf(typeof(Kernel32.STORAGE_QUERY_BUFFER), nameof(Kernel32.STORAGE_QUERY_BUFFER.Buffer));
var newPtr = IntPtr.Add(buffer, offset.ToInt32());
Kernel32.NVME_IDENTIFY_CONTROLLER_DATA item = (Kernel32.NVME_IDENTIFY_CONTROLLER_DATA)Marshal.PtrToStructure(newPtr, typeof(Kernel32.NVME_IDENTIFY_CONTROLLER_DATA));
data = item;
Marshal.FreeHGlobal(buffer);
result = true;
}
else
{
Marshal.FreeHGlobal(buffer);
}
return(result);
}
public static SafeHandle IdentifyDevice(StorageInfo storageInfo)
{
SafeHandle handle = Kernel32.OpenDevice(storageInfo.DeviceId);
if (handle == null || handle.IsInvalid)
{
return(null);
}
Kernel32.STORAGE_QUERY_BUFFER nptwb = Kernel32.CreateStruct <Kernel32.STORAGE_QUERY_BUFFER>();
nptwb.ProtocolSpecific.ProtocolType = Kernel32.STORAGE_PROTOCOL_TYPE.ProtocolTypeNvme;
nptwb.ProtocolSpecific.DataType = (uint)Kernel32.STORAGE_PROTOCOL_NVME_DATA_TYPE.NVMeDataTypeIdentify;
nptwb.ProtocolSpecific.ProtocolDataRequestValue = (uint)Kernel32.STORAGE_PROTOCOL_NVME_PROTOCOL_DATA_REQUEST_VALUE.NVMeIdentifyCnsController;
nptwb.ProtocolSpecific.ProtocolDataOffset = (uint)Marshal.SizeOf <Kernel32.STORAGE_PROTOCOL_SPECIFIC_DATA>();
nptwb.ProtocolSpecific.ProtocolDataLength = (uint)nptwb.Buffer.Length;
nptwb.PropertyId = Kernel32.STORAGE_PROPERTY_ID.StorageAdapterProtocolSpecificProperty;
nptwb.QueryType = Kernel32.STORAGE_QUERY_TYPE.PropertyStandardQuery;
int length = Marshal.SizeOf <Kernel32.STORAGE_QUERY_BUFFER>();
IntPtr buffer = Marshal.AllocHGlobal(length);
Marshal.StructureToPtr(nptwb, buffer, false);
bool validTransfer = Kernel32.DeviceIoControl(handle, Kernel32.IOCTL.IOCTL_STORAGE_QUERY_PROPERTY, buffer, length, buffer, length, out _, IntPtr.Zero);
if (validTransfer)
{
Marshal.FreeHGlobal(buffer);
}
else
{
Marshal.FreeHGlobal(buffer);
handle.Close();
handle = null;
}
return(handle);
}
