497 lines
17 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) 2009-2020 Michael Möller <mmoeller@openhardwaremonitor.org>
Copyright (C) 2011 Christian Vallières
*/
using System;
using System.Runtime.InteropServices;
using System.Text;
namespace OpenHardwareMonitor.Hardware.Nvidia {
internal enum NvStatus {
OK = 0,
ERROR = -1,
LIBRARY_NOT_FOUND = -2,
NO_IMPLEMENTATION = -3,
API_NOT_INTIALIZED = -4,
INVALID_ARGUMENT = -5,
NVIDIA_DEVICE_NOT_FOUND = -6,
END_ENUMERATION = -7,
INVALID_HANDLE = -8,
INCOMPATIBLE_STRUCT_VERSION = -9,
HANDLE_INVALIDATED = -10,
OPENGL_CONTEXT_NOT_CURRENT = -11,
NO_GL_EXPERT = -12,
INSTRUMENTATION_DISABLED = -13,
EXPECTED_LOGICAL_GPU_HANDLE = -100,
EXPECTED_PHYSICAL_GPU_HANDLE = -101,
EXPECTED_DISPLAY_HANDLE = -102,
INVALID_COMBINATION = -103,
NOT_SUPPORTED = -104,
PORTID_NOT_FOUND = -105,
EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106,
INVALID_PERF_LEVEL = -107,
DEVICE_BUSY = -108,
NV_PERSIST_FILE_NOT_FOUND = -109,
PERSIST_DATA_NOT_FOUND = -110,
EXPECTED_TV_DISPLAY = -111,
EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112,
NO_ACTIVE_SLI_TOPOLOGY = -113,
SLI_RENDERING_MODE_NOTALLOWED = -114,
EXPECTED_DIGITAL_FLAT_PANEL = -115,
ARGUMENT_EXCEED_MAX_SIZE = -116,
DEVICE_SWITCHING_NOT_ALLOWED = -117,
TESTING_CLOCKS_NOT_SUPPORTED = -118,
UNKNOWN_UNDERSCAN_CONFIG = -119,
TIMEOUT_RECONFIGURING_GPU_TOPO = -120,
DATA_NOT_FOUND = -121,
EXPECTED_ANALOG_DISPLAY = -122,
NO_VIDLINK = -123,
REQUIRES_REBOOT = -124,
INVALID_HYBRID_MODE = -125,
MIXED_TARGET_TYPES = -126,
SYSWOW64_NOT_SUPPORTED = -127,
IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128,
REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129,
OUT_OF_MEMORY = -130,
WAS_STILL_DRAWING = -131,
FILE_NOT_FOUND = -132,
TOO_MANY_UNIQUE_STATE_OBJECTS = -133,
INVALID_CALL = -134,
D3D10_1_LIBRARY_NOT_FOUND = -135,
FUNCTION_NOT_FOUND = -136
}
internal enum NvThermalController {
NONE = 0,
GPU_INTERNAL,
ADM1032,
MAX6649,
MAX1617,
LM99,
LM89,
LM64,
ADT7473,
SBMAX6649,
VBIOSEVT,
OS,
UNKNOWN = -1,
}
internal enum NvThermalTarget {
NONE = 0,
GPU = 1,
MEMORY = 2,
POWER_SUPPLY = 4,
BOARD = 8,
ALL = 15,
UNKNOWN = -1
};
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvSensor {
public NvThermalController Controller;
public uint DefaultMinTemp;
public uint DefaultMaxTemp;
public uint CurrentTemp;
public NvThermalTarget Target;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvGPUThermalSettings {
public uint Version;
public uint Count;
[MarshalAs(UnmanagedType.ByValArray,
SizeConst = NVAPI.MAX_THERMAL_SENSORS_PER_GPU)]
public NvSensor[] Sensor;
}
[StructLayout(LayoutKind.Sequential)]
internal struct NvDisplayHandle {
private readonly IntPtr ptr;
}
[StructLayout(LayoutKind.Sequential)]
internal struct NvPhysicalGpuHandle {
private readonly IntPtr ptr;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvClocks {
public uint Version;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_CLOCKS_PER_GPU)]
public uint[] Clock;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvUtilizationDomainEx {
public bool Present;
public int Percentage;
}
public enum UtilizationDomain {
GPU,
FrameBuffer,
VideoEngine,
BusInterface
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvDynamicPstatesInfoEx {
public uint Version;
public uint Flags;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.NVAPI_MAX_GPU_UTILIZATIONS)]
public NvUtilizationDomainEx[] UtilizationDomains;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvUtilizationDomain {
public bool Present;
public int Percentage;
public ulong Reserved;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvDynamicPstatesInfo {
public uint Version;
public uint Flags;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.NVAPI_MAX_GPU_UTILIZATIONS)]
public NvUtilizationDomain[] UtilizationDomains;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvCooler {
public int Type;
public int Controller;
public int DefaultMin;
public int DefaultMax;
public int CurrentMin;
public int CurrentMax;
public int CurrentLevel;
public int DefaultPolicy;
public int CurrentPolicy;
public int Target;
public int ControlType;
public int Active;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvGPUCoolerSettings {
public uint Version;
public uint Count;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_COOLER_PER_GPU)]
public NvCooler[] Cooler;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvLevel {
public int Level;
public int Policy;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvGPUCoolerLevels {
public uint Version;
[MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_COOLER_PER_GPU)]
public NvLevel[] Levels;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvDisplayDriverMemoryInfo {
public uint Version;
[MarshalAs(UnmanagedType.ByValArray, SizeConst =
NVAPI.MAX_MEMORY_VALUES_PER_GPU)]
public uint[] Values;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvDisplayDriverVersion {
public uint Version;
public uint DriverVersion;
public uint BldChangeListNum;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.SHORT_STRING_MAX)]
public string BuildBranch;
[MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.SHORT_STRING_MAX)]
public string Adapter;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvFanCoolersStatus {
public uint Version;
public uint Count;
public ulong Reserved1;
public ulong Reserved2;
public ulong Reserved3;
public ulong Reserved4;
[MarshalAs(UnmanagedType.ByValArray,
SizeConst = NVAPI.MAX_FAN_COOLERS_STATUS_ITEMS)]
internal NvFanCoolersStatusItem[] Items;
}
[StructLayout(LayoutKind.Sequential, Pack = 8)]
internal struct NvFanCoolersStatusItem {
public uint Type;
public uint CurrentRpm;
public uint CurrentMinLevel;
public uint CurrentMaxLevel;
public uint CurrentLevel;
public uint Reserved1;
public uint Reserved2;
public uint Reserved3;
public uint Reserved4;
public uint Reserved5;
public uint Reserved6;
public uint Reserved7;
public uint Reserved8;
}
internal class NVAPI {
public const int MAX_PHYSICAL_GPUS = 64;
public const int SHORT_STRING_MAX = 64;
public const int MAX_THERMAL_SENSORS_PER_GPU = 3;
public const int MAX_CLOCKS_PER_GPU = 0x120;
public const int NVAPI_MAX_GPU_UTILIZATIONS = 8;
public const int MAX_COOLER_PER_GPU = 20;
public const int MAX_MEMORY_VALUES_PER_GPU = 5;
public const int MAX_FAN_COOLERS_STATUS_ITEMS = 32;
public static readonly uint GPU_THERMAL_SETTINGS_VER = (uint)
Marshal.SizeOf(typeof(NvGPUThermalSettings)) | 0x10000;
public static readonly uint GPU_CLOCKS_VER = (uint)
Marshal.SizeOf(typeof(NvClocks)) | 0x20000;
public static readonly uint GPU_DYNAMIC_PSTATES_INFO_EX_VER = (uint)
Marshal.SizeOf(typeof(NvDynamicPstatesInfoEx)) | 0x10000;
public static readonly uint GPU_DYNAMIC_PSTATES_INFO_VER = (uint)
Marshal.SizeOf(typeof(NvDynamicPstatesInfo)) | 0x10000;
public static readonly uint GPU_COOLER_SETTINGS_VER = (uint)
Marshal.SizeOf(typeof(NvGPUCoolerSettings)) | 0x20000;
public static readonly uint DISPLAY_DRIVER_MEMORY_INFO_VER = (uint)
Marshal.SizeOf(typeof(NvDisplayDriverMemoryInfo)) | 0x20000;
public static readonly uint DISPLAY_DRIVER_VERSION_VER = (uint)
Marshal.SizeOf(typeof(NvDisplayDriverVersion)) | 0x10000;
public static readonly uint GPU_COOLER_LEVELS_VER = (uint)
Marshal.SizeOf(typeof(NvGPUCoolerLevels)) | 0x10000;
public static readonly uint GPU_FAN_COOLERS_STATUS_VER = (uint)
Marshal.SizeOf(typeof(NvFanCoolersStatus)) | 0x10000;
private delegate IntPtr nvapi_QueryInterfaceDelegate(uint id);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate NvStatus NvAPI_InitializeDelegate();
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
private delegate NvStatus NvAPI_GPU_GetFullNameDelegate(
NvPhysicalGpuHandle gpuHandle, StringBuilder name);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetThermalSettingsDelegate(
NvPhysicalGpuHandle gpuHandle, int sensorIndex,
ref NvGPUThermalSettings gpuThermalSettings);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_EnumNvidiaDisplayHandleDelegate(int thisEnum,
ref NvDisplayHandle displayHandle);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GetPhysicalGPUsFromDisplayDelegate(
NvDisplayHandle displayHandle, [Out] NvPhysicalGpuHandle[] gpuHandles,
out uint gpuCount);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_EnumPhysicalGPUsDelegate(
[Out] NvPhysicalGpuHandle[] gpuHandles, out int gpuCount);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetTachReadingDelegate(
NvPhysicalGpuHandle gpuHandle, out int value);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetAllClocksDelegate(
NvPhysicalGpuHandle gpuHandle, ref NvClocks clocks);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetDynamicPstatesInfoExDelegate(
NvPhysicalGpuHandle gpuHandle,
ref NvDynamicPstatesInfoEx dynamicPstatesInfoEx);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetDynamicPstatesInfoDelegate(
NvPhysicalGpuHandle gpuHandle,
ref NvDynamicPstatesInfo dynamicPstatesInfo);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetCoolerSettingsDelegate(
NvPhysicalGpuHandle gpuHandle, int coolerIndex,
ref NvGPUCoolerSettings gpuCoolerSettings);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_SetCoolerLevelsDelegate(
NvPhysicalGpuHandle gpuHandle, int coolerIndex,
ref NvGPUCoolerLevels gpuCoolerLevels);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GetDisplayDriverMemoryInfoDelegate(
NvDisplayHandle displayHandle, ref NvDisplayDriverMemoryInfo memoryInfo);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GetDisplayDriverVersionDelegate(
NvDisplayHandle displayHandle, [In, Out] ref NvDisplayDriverVersion
displayDriverVersion);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GetInterfaceVersionStringDelegate(
StringBuilder version);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetPCIIdentifiersDelegate(
NvPhysicalGpuHandle gpuHandle, out uint deviceId, out uint subSystemId,
out uint revisionId, out uint extDeviceId);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_GetBusIdDelegate(
NvPhysicalGpuHandle gpuHandle, out uint busId);
[UnmanagedFunctionPointer(CallingConvention.Cdecl)]
public delegate NvStatus NvAPI_GPU_ClientFanCoolersGetStatusDelegate(
NvPhysicalGpuHandle gpuHandle, ref NvFanCoolersStatus fanCoolersStatus);
private static readonly bool available;
private static readonly nvapi_QueryInterfaceDelegate nvapi_QueryInterface;
private static readonly NvAPI_InitializeDelegate NvAPI_Initialize;
private static readonly NvAPI_GPU_GetFullNameDelegate
_NvAPI_GPU_GetFullName;
private static readonly NvAPI_GetInterfaceVersionStringDelegate
_NvAPI_GetInterfaceVersionString;
public static readonly NvAPI_GPU_GetThermalSettingsDelegate
NvAPI_GPU_GetThermalSettings;
public static readonly NvAPI_EnumNvidiaDisplayHandleDelegate
NvAPI_EnumNvidiaDisplayHandle;
public static readonly NvAPI_GetPhysicalGPUsFromDisplayDelegate
NvAPI_GetPhysicalGPUsFromDisplay;
public static readonly NvAPI_EnumPhysicalGPUsDelegate
NvAPI_EnumPhysicalGPUs;
public static readonly NvAPI_GPU_GetTachReadingDelegate
NvAPI_GPU_GetTachReading;
public static readonly NvAPI_GPU_GetAllClocksDelegate
NvAPI_GPU_GetAllClocks;
public static readonly NvAPI_GPU_GetDynamicPstatesInfoExDelegate
NvAPI_GPU_GetDynamicPstatesInfoEx;
public static readonly NvAPI_GPU_GetDynamicPstatesInfoDelegate
NvAPI_GPU_GetDynamicPstatesInfo;
public static readonly NvAPI_GPU_GetCoolerSettingsDelegate
NvAPI_GPU_GetCoolerSettings;
public static readonly NvAPI_GPU_SetCoolerLevelsDelegate
NvAPI_GPU_SetCoolerLevels;
public static readonly NvAPI_GetDisplayDriverMemoryInfoDelegate
NvAPI_GetDisplayDriverMemoryInfo;
public static readonly NvAPI_GetDisplayDriverVersionDelegate
NvAPI_GetDisplayDriverVersion;
public static readonly NvAPI_GPU_GetPCIIdentifiersDelegate
NvAPI_GPU_GetPCIIdentifiers;
public static readonly NvAPI_GPU_GetBusIdDelegate
NvAPI_GPU_GetBusId;
public static readonly NvAPI_GPU_ClientFanCoolersGetStatusDelegate
NvAPI_GPU_ClientFanCoolersGetStatus;
private NVAPI() { }
public static NvStatus NvAPI_GPU_GetFullName(NvPhysicalGpuHandle gpuHandle,
out string name) {
StringBuilder builder = new StringBuilder(SHORT_STRING_MAX);
NvStatus status;
if (_NvAPI_GPU_GetFullName != null)
status = _NvAPI_GPU_GetFullName(gpuHandle, builder);
else
status = NvStatus.FUNCTION_NOT_FOUND;
name = builder.ToString();
return status;
}
public static NvStatus NvAPI_GetInterfaceVersionString(out string version) {
StringBuilder builder = new StringBuilder(SHORT_STRING_MAX);
NvStatus status;
if (_NvAPI_GetInterfaceVersionString != null)
status = _NvAPI_GetInterfaceVersionString(builder);
else
status = NvStatus.FUNCTION_NOT_FOUND;
version = builder.ToString();
return status;
}
private static string GetDllName() {
if (IntPtr.Size == 4) {
return "nvapi.dll";
} else {
return "nvapi64.dll";
}
}
private static void GetDelegate<T>(uint id, out T newDelegate)
where T : class {
IntPtr ptr = nvapi_QueryInterface(id);
if (ptr != IntPtr.Zero) {
newDelegate =
Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;
} else {
newDelegate = null;
}
}
static NVAPI() {
DllImportAttribute attribute = new DllImportAttribute(GetDllName());
attribute.CallingConvention = CallingConvention.Cdecl;
attribute.PreserveSig = true;
attribute.EntryPoint = "nvapi_QueryInterface";
PInvokeDelegateFactory.CreateDelegate(attribute,
out nvapi_QueryInterface);
try {
GetDelegate(0x0150E828, out NvAPI_Initialize);
} catch (DllNotFoundException) { return; }
catch (EntryPointNotFoundException) { return; }
catch (ArgumentNullException) { return; }
if (NvAPI_Initialize() == NvStatus.OK) {
GetDelegate(0xE3640A56, out NvAPI_GPU_GetThermalSettings);
GetDelegate(0xCEEE8E9F, out _NvAPI_GPU_GetFullName);
GetDelegate(0x9ABDD40D, out NvAPI_EnumNvidiaDisplayHandle);
GetDelegate(0x34EF9506, out NvAPI_GetPhysicalGPUsFromDisplay);
GetDelegate(0xE5AC921F, out NvAPI_EnumPhysicalGPUs);
GetDelegate(0x5F608315, out NvAPI_GPU_GetTachReading);
GetDelegate(0x1BD69F49, out NvAPI_GPU_GetAllClocks);
GetDelegate(0x60DED2ED, out NvAPI_GPU_GetDynamicPstatesInfoEx);
GetDelegate(0x189A1FDF, out NvAPI_GPU_GetDynamicPstatesInfo);
GetDelegate(0xDA141340, out NvAPI_GPU_GetCoolerSettings);
GetDelegate(0x891FA0AE, out NvAPI_GPU_SetCoolerLevels);
GetDelegate(0x774AA982, out NvAPI_GetDisplayDriverMemoryInfo);
GetDelegate(0xF951A4D1, out NvAPI_GetDisplayDriverVersion);
GetDelegate(0x01053FA5, out _NvAPI_GetInterfaceVersionString);
GetDelegate(0x2DDFB66E, out NvAPI_GPU_GetPCIIdentifiers);
GetDelegate(0x1BE0B8E5, out NvAPI_GPU_GetBusId);
GetDelegate(0x35AED5E8, out NvAPI_GPU_ClientFanCoolersGetStatus);
available = true;
}
}
public static bool IsAvailable {
get { return available; }
}
}
}