private NvResult GetDeviceFileFromFd(int fd, out NvDeviceFile deviceFile)
{
deviceFile = null;
if (fd < 0)
{
return(NvResult.InvalidParameter);
}
deviceFile = _deviceFileIdRegistry.GetData <NvDeviceFile>(fd);
if (deviceFile == null)
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Invalid file descriptor {fd}");
return(NvResult.NotImplemented);
}
if (deviceFile.Owner.Pid != _owner.Pid)
{
return(NvResult.AccessDenied);
}
return(NvResult.Success);
}
public NvIoctlNotImplementedException(ServiceCtx context, NvDeviceFile deviceFile, NvIoctl command, string message)
: base(message)
{
Context = context;
DeviceFile = deviceFile;
Command = command;
}
public NvQueryEventNotImplementedException(ServiceCtx context, NvDeviceFile deviceFile, uint eventId, string message)
: base(message)
{
Context = context;
DeviceFile = deviceFile;
EventId = eventId;
}
public static void Destroy()
{
foreach (object entry in _deviceFileIdRegistry.Values)
{
NvDeviceFile deviceFile = (NvDeviceFile)entry;
deviceFile.Close();
}
_deviceFileIdRegistry.Clear();
}
public static void Destroy()
{
NvHostChannelDeviceFile.Destroy();
foreach (object entry in DeviceFileIdRegistry.Values)
{
NvDeviceFile deviceFile = (NvDeviceFile)entry;
deviceFile.Close();
}
DeviceFileIdRegistry.Clear();
}
private int Open(ServiceCtx context, string path)
{
if (_deviceFileRegistry.TryGetValue(path, out Type deviceFileClass))
{
ConstructorInfo constructor = deviceFileClass.GetConstructor(new Type[] { typeof(ServiceCtx), typeof(IVirtualMemoryManager), typeof(ulong) });
NvDeviceFile deviceFile = (NvDeviceFile)constructor.Invoke(new object[] { context, _clientMemory, _owner });
deviceFile.Path = path;
return(DeviceFileIdRegistry.Add(deviceFile));
}
else
{
Logger.Warning?.Print(LogClass.ServiceNv, $"Cannot find file device \"{path}\"!");
}
return(-1);
}
private int Open(ServiceCtx context, string path)
{
if (context.Process == _owner)
{
if (_deviceFileRegistry.TryGetValue(path, out Type deviceFileClass))
{
ConstructorInfo constructor = deviceFileClass.GetConstructor(new Type[] { typeof(ServiceCtx) });
NvDeviceFile deviceFile = (NvDeviceFile)constructor.Invoke(new object[] { context });
return(_deviceFileIdRegistry.Add(deviceFile));
}
else
{
Logger.PrintWarning(LogClass.ServiceNv, $"Cannot find file device \"{path}\"!");
}
}
return(-1);
}
public NvIoctlNotImplementedException(ServiceCtx context, NvDeviceFile deviceFile, NvIoctl command)
: this(context, deviceFile, command, "The ioctl is not implemented.")
{
}
public NvQueryEventNotImplementedException(ServiceCtx context, NvDeviceFile deviceFile, uint eventId)
: this(context, deviceFile, eventId, "This query event is not implemented.")
{
}