private NVMeGeneric(NVMeInfo info, int index, ISettings settings)
: base(info.Model, info.Revision, "nvme", index, settings)
{
this.smart = new WindowsNVMeSmart(info.Index);
this.info = info;
CreateSensors();
}
public static AbstractStorage CreateInstance(StorageInfo storageInfo, ISettings settings)
{
NVMeInfo nvmeInfo = GetDeviceInfo();
if (nvmeInfo == null)
{
return(null);
}
return(new NVMeGeneric(nvmeInfo, storageInfo.Index, settings));
}
// \\.\ScsiY: is different from \\.\PhysicalDriveX
private static NVMeInfo GetDeviceInfo()
{
while (nextDrive < MAX_DRIVES)
{
using (WindowsNVMeSmart smart = new WindowsNVMeSmart(nextDrive)) {
nextDrive++;
if (!smart.IsValid)
{
continue;
}
NVMeInfo info = smart.GetInfo();
if (info != null)
{
return(info);
}
}
}
return(null);
}
public static AbstractStorage CreateInstance(StorageInfo storageInfo, NVMeGeneric previousNvme, ISettings settings)
{
NVMeInfo nvmeInfo = GetDeviceInfo(storageInfo, previousNvme != null ? previousNvme.info.LogicalDeviceNumber : -1);
if (nvmeInfo == null)
{
Logging.LogInfo($"Device {storageInfo.Index} ({storageInfo.Name}) identifies as NVMe device, but does not support all requires features.");
}
IEnumerable <string> logicalDrives = WindowsStorage.GetLogicalDrives(storageInfo.Index);
string name = nvmeInfo.Model;
if (logicalDrives.Any())
{
logicalDrives = logicalDrives.Select(x => $"{x}:");
name += " (" + string.Join(", ", logicalDrives) + ")";
}
return(new NVMeGeneric(name, nvmeInfo, storageInfo.Index, settings));
}
// \\.\ScsiY: is different from \\.\PhysicalDriveX
// We need to find the NvmeInfo that matches the drive we search.
private static NVMeInfo GetDeviceInfo(StorageInfo infoToMatch, int previousDrive)
{
for (int nextDrive = previousDrive + 1; nextDrive <= MAX_DRIVES; nextDrive++)
{
using (WindowsNVMeSmart smart = new WindowsNVMeSmart(nextDrive)) {
if (!smart.IsValid)
{
continue;
}
NVMeInfo info = smart.GetInfo(infoToMatch, nextDrive, false);
if (info != null)
{
return(info);
}
}
}
// This is a bit tricky. If this fails for one drive, it will fail for all, because we start with 0 each time.
// if we failed to obtain any useful information for any drive letter, we force creation - this will later try to use the alternate approach
// when reading NVMe data. As we know it's an NVME drive
for (int nextDrive = previousDrive + 1; nextDrive <= MAX_DRIVES; nextDrive++)
{
using (WindowsNVMeSmart smart = new WindowsNVMeSmart(nextDrive)) {
if (!smart.IsValid)
{
continue;
}
NVMeInfo info = smart.GetInfo(infoToMatch, nextDrive, true);
if (info != null)
{
return(info);
}
}
}
return(null);
}
