moel@1: /*
moel@1:
moel@1: Version: MPL 1.1/GPL 2.0/LGPL 2.1
moel@1:
moel@1: The contents of this file are subject to the Mozilla Public License Version
moel@1: 1.1 (the "License"); you may not use this file except in compliance with
moel@1: the License. You may obtain a copy of the License at
moel@1:
moel@1: http://www.mozilla.org/MPL/
moel@1:
moel@1: Software distributed under the License is distributed on an "AS IS" basis,
moel@1: WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
moel@1: for the specific language governing rights and limitations under the License.
moel@1:
moel@1: The Original Code is the Open Hardware Monitor code.
moel@1:
moel@1: The Initial Developer of the Original Code is
moel@1: Michael Möller <m.moeller@gmx.ch>.
moel@1: Portions created by the Initial Developer are Copyright (C) 2009-2010
moel@1: the Initial Developer. All Rights Reserved.
moel@1:
moel@1: Contributor(s):
moel@1:
moel@1: Alternatively, the contents of this file may be used under the terms of
moel@1: either the GNU General Public License Version 2 or later (the "GPL"), or
moel@1: the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
moel@1: in which case the provisions of the GPL or the LGPL are applicable instead
moel@1: of those above. If you wish to allow use of your version of this file only
moel@1: under the terms of either the GPL or the LGPL, and not to allow others to
moel@1: use your version of this file under the terms of the MPL, indicate your
moel@1: decision by deleting the provisions above and replace them with the notice
moel@1: and other provisions required by the GPL or the LGPL. If you do not delete
moel@1: the provisions above, a recipient may use your version of this file under
moel@1: the terms of any one of the MPL, the GPL or the LGPL.
moel@1:
moel@1: */
moel@1:
moel@1: using System;
moel@1: using System.Runtime.InteropServices;
moel@1: using System.Text;
moel@1:
moel@1: namespace OpenHardwareMonitor.Hardware.Nvidia {
moel@1:
moel@165: internal enum NvStatus {
moel@1: OK = 0,
moel@1: ERROR = -1,
moel@1: LIBRARY_NOT_FOUND = -2,
moel@1: NO_IMPLEMENTATION = -3,
moel@1: API_NOT_INTIALIZED = -4,
moel@1: INVALID_ARGUMENT = -5,
moel@1: NVIDIA_DEVICE_NOT_FOUND = -6,
moel@1: END_ENUMERATION = -7,
moel@1: INVALID_HANDLE = -8,
moel@1: INCOMPATIBLE_STRUCT_VERSION = -9,
moel@1: HANDLE_INVALIDATED = -10,
moel@1: OPENGL_CONTEXT_NOT_CURRENT = -11,
moel@1: NO_GL_EXPERT = -12,
moel@1: INSTRUMENTATION_DISABLED = -13,
moel@1: EXPECTED_LOGICAL_GPU_HANDLE = -100,
moel@1: EXPECTED_PHYSICAL_GPU_HANDLE = -101,
moel@1: EXPECTED_DISPLAY_HANDLE = -102,
moel@1: INVALID_COMBINATION = -103,
moel@1: NOT_SUPPORTED = -104,
moel@1: PORTID_NOT_FOUND = -105,
moel@1: EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106,
moel@1: INVALID_PERF_LEVEL = -107,
moel@1: DEVICE_BUSY = -108,
moel@1: NV_PERSIST_FILE_NOT_FOUND = -109,
moel@1: PERSIST_DATA_NOT_FOUND = -110,
moel@1: EXPECTED_TV_DISPLAY = -111,
moel@1: EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112,
moel@1: NO_ACTIVE_SLI_TOPOLOGY = -113,
moel@1: SLI_RENDERING_MODE_NOTALLOWED = -114,
moel@1: EXPECTED_DIGITAL_FLAT_PANEL = -115,
moel@1: ARGUMENT_EXCEED_MAX_SIZE = -116,
moel@1: DEVICE_SWITCHING_NOT_ALLOWED = -117,
moel@1: TESTING_CLOCKS_NOT_SUPPORTED = -118,
moel@1: UNKNOWN_UNDERSCAN_CONFIG = -119,
moel@1: TIMEOUT_RECONFIGURING_GPU_TOPO = -120,
moel@1: DATA_NOT_FOUND = -121,
moel@1: EXPECTED_ANALOG_DISPLAY = -122,
moel@1: NO_VIDLINK = -123,
moel@1: REQUIRES_REBOOT = -124,
moel@1: INVALID_HYBRID_MODE = -125,
moel@1: MIXED_TARGET_TYPES = -126,
moel@1: SYSWOW64_NOT_SUPPORTED = -127,
moel@1: IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128,
moel@1: REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129,
moel@1: OUT_OF_MEMORY = -130,
moel@1: WAS_STILL_DRAWING = -131,
moel@1: FILE_NOT_FOUND = -132,
moel@1: TOO_MANY_UNIQUE_STATE_OBJECTS = -133,
moel@1: INVALID_CALL = -134,
moel@1: D3D10_1_LIBRARY_NOT_FOUND = -135,
moel@1: FUNCTION_NOT_FOUND = -136
moel@165: }
moel@1:
moel@165: internal enum NvThermalController {
moel@1: NONE = 0,
moel@1: GPU_INTERNAL,
moel@1: ADM1032,
moel@1: MAX6649,
moel@1: MAX1617,
moel@1: LM99,
moel@1: LM89,
moel@1: LM64,
moel@1: ADT7473,
moel@1: SBMAX6649,
moel@1: VBIOSEVT,
moel@1: OS,
moel@1: UNKNOWN = -1,
moel@165: }
moel@1:
moel@165: internal enum NvThermalTarget {
moel@1: NONE = 0,
moel@1: GPU = 1,
moel@1: MEMORY = 2,
moel@1: POWER_SUPPLY = 4,
moel@1: BOARD = 8,
moel@1: ALL = 15,
moel@1: UNKNOWN = -1
moel@1: };
moel@1:
moel@61: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvSensor {
moel@1: public NvThermalController Controller;
moel@140: public uint DefaultMinTemp;
moel@140: public uint DefaultMaxTemp;
moel@140: public uint CurrentTemp;
moel@1: public NvThermalTarget Target;
moel@1: }
moel@1:
moel@61: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvGPUThermalSettings {
moel@140: public uint Version;
moel@140: public uint Count;
moel@1: [MarshalAs(UnmanagedType.ByValArray,
moel@1: SizeConst = NVAPI.MAX_THERMAL_SENSORS_PER_GPU)]
moel@1: public NvSensor[] Sensor;
moel@1: }
moel@1:
moel@61: [StructLayout(LayoutKind.Sequential)]
moel@165: internal struct NvDisplayHandle {
moel@195: private readonly IntPtr ptr;
moel@1: }
moel@1:
moel@61: [StructLayout(LayoutKind.Sequential)]
moel@165: internal struct NvPhysicalGpuHandle {
moel@195: private readonly IntPtr ptr;
moel@1: }
moel@1:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvClocks {
moel@140: public uint Version;
moel@140: [MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_CLOCKS_PER_GPU)]
moel@140: public uint[] Clock;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvPState {
moel@140: public bool Present;
moel@140: public int Percentage;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvPStates {
moel@140: public uint Version;
moel@140: public uint Flags;
moel@140: [MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_PSTATES_PER_GPU)]
moel@140: public NvPState[] PStates;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvUsages {
moel@140: public uint Version;
moel@140: [MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_USAGES_PER_GPU)]
moel@140: public uint[] Usage;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvCooler {
moel@140: public int Type;
moel@140: public int Controller;
moel@140: public int DefaultMin;
moel@140: public int DefaultMax;
moel@140: public int CurrentMin;
moel@140: public int CurrentMax;
moel@140: public int CurrentLevel;
moel@140: public int DefaultPolicy;
moel@140: public int CurrentPolicy;
moel@140: public int Target;
moel@140: public int ControlType;
moel@140: public int Active;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvGPUCoolerSettings {
moel@140: public uint Version;
moel@140: public uint Count;
moel@140: [MarshalAs(UnmanagedType.ByValArray, SizeConst = NVAPI.MAX_COOLER_PER_GPU)]
moel@140: public NvCooler[] Cooler;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvMemoryInfo {
moel@140: public uint Version;
moel@140: [MarshalAs(UnmanagedType.ByValArray, SizeConst =
moel@140: NVAPI.MAX_MEMORY_VALUES_PER_GPU)]
moel@140: public uint[] Values;
moel@140: }
moel@140:
moel@140: [StructLayout(LayoutKind.Sequential, Pack = 8)]
moel@165: internal struct NvDisplayDriverVersion {
moel@140: public uint Version;
moel@140: public uint DriverVersion;
moel@140: public uint BldChangeListNum;
moel@140: [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.SHORT_STRING_MAX)]
moel@140: public string BuildBranch;
moel@140: [MarshalAs(UnmanagedType.ByValTStr, SizeConst = NVAPI.SHORT_STRING_MAX)]
moel@140: public string Adapter;
moel@165: }
moel@140:
moel@165: internal class NVAPI {
moel@1:
moel@1: public const int MAX_PHYSICAL_GPUS = 64;
moel@140: public const int SHORT_STRING_MAX = 64;
moel@140:
moel@140: public const int MAX_THERMAL_SENSORS_PER_GPU = 3;
moel@140: public const int MAX_CLOCKS_PER_GPU = 0x120;
moel@140: public const int MAX_PSTATES_PER_GPU = 8;
moel@140: public const int MAX_USAGES_PER_GPU = 33;
moel@140: public const int MAX_COOLER_PER_GPU = 20;
moel@140: public const int MAX_MEMORY_VALUES_PER_GPU = 5;
moel@140:
moel@140: public static readonly uint GPU_THERMAL_SETTINGS_VER = (uint)
moel@1: Marshal.SizeOf(typeof(NvGPUThermalSettings)) | 0x10000;
moel@140: public static readonly uint GPU_CLOCKS_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvClocks)) | 0x20000;
moel@140: public static readonly uint GPU_PSTATES_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvPStates)) | 0x10000;
moel@140: public static readonly uint GPU_USAGES_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvUsages)) | 0x10000;
moel@140: public static readonly uint GPU_COOLER_SETTINGS_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvGPUCoolerSettings)) | 0x20000;
moel@140: public static readonly uint GPU_MEMORY_INFO_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvMemoryInfo)) | 0x20000;
moel@140: public static readonly uint DISPLAY_DRIVER_VERSION_VER = (uint)
moel@140: Marshal.SizeOf(typeof(NvDisplayDriverVersion)) | 0x10000;
moel@140:
moel@1: private delegate IntPtr nvapi_QueryInterfaceDelegate(uint id);
moel@1: private delegate NvStatus NvAPI_InitializeDelegate();
moel@1: private delegate NvStatus NvAPI_GPU_GetFullNameDelegate(
moel@1: NvPhysicalGpuHandle gpuHandle, StringBuilder name);
moel@1:
moel@1: public delegate NvStatus NvAPI_GPU_GetThermalSettingsDelegate(
moel@1: NvPhysicalGpuHandle gpuHandle, int sensorIndex,
moel@1: ref NvGPUThermalSettings nvGPUThermalSettings);
moel@1: public delegate NvStatus NvAPI_EnumNvidiaDisplayHandleDelegate(int thisEnum,
moel@1: ref NvDisplayHandle displayHandle);
moel@1: public delegate NvStatus NvAPI_GetPhysicalGPUsFromDisplayDelegate(
moel@1: NvDisplayHandle displayHandle, [Out] NvPhysicalGpuHandle[] gpuHandles,
moel@140: out uint gpuCount);
moel@1: public delegate NvStatus NvAPI_EnumPhysicalGPUsDelegate(
moel@1: [Out] NvPhysicalGpuHandle[] gpuHandles, out int gpuCount);
moel@38: public delegate NvStatus NvAPI_GPU_GetTachReadingDelegate(
moel@38: NvPhysicalGpuHandle gpuHandle, out int value);
moel@140: public delegate NvStatus NvAPI_GPU_GetAllClocksDelegate(
moel@140: NvPhysicalGpuHandle gpuHandle, ref NvClocks nvClocks);
moel@140: public delegate NvStatus NvAPI_GPU_GetPStatesDelegate(
moel@140: NvPhysicalGpuHandle gpuHandle, ref NvPStates nvPStates);
moel@140: public delegate NvStatus NvAPI_GPU_GetUsagesDelegate(
moel@140: NvPhysicalGpuHandle gpuHandle, ref NvUsages nvUsages);
moel@140: public delegate NvStatus NvAPI_GPU_GetCoolerSettingsDelegate(
moel@140: NvPhysicalGpuHandle gpuHandle, int coolerIndex,
moel@140: ref NvGPUCoolerSettings nvGPUCoolerSettings);
moel@140: public delegate NvStatus NvAPI_GPU_GetMemoryInfoDelegate(
moel@140: NvDisplayHandle displayHandle, ref NvMemoryInfo nvMemoryInfo);
moel@140: public delegate NvStatus NvAPI_GetDisplayDriverVersionDelegate(
moel@140: NvDisplayHandle displayHandle, [In, Out] ref NvDisplayDriverVersion
moel@140: nvDisplayDriverVersion);
moel@140: public delegate NvStatus NvAPI_GetInterfaceVersionStringDelegate(
moel@140: StringBuilder version);
moel@1:
moel@195: private static readonly bool available;
moel@195: private static readonly nvapi_QueryInterfaceDelegate nvapi_QueryInterface;
moel@195: private static readonly NvAPI_InitializeDelegate NvAPI_Initialize;
moel@195: private static readonly NvAPI_GPU_GetFullNameDelegate
moel@195: _NvAPI_GPU_GetFullName;
moel@195: private static readonly NvAPI_GetInterfaceVersionStringDelegate
moel@140: _NvAPI_GetInterfaceVersionString;
moel@1:
moel@140: public static readonly NvAPI_GPU_GetThermalSettingsDelegate
moel@1: NvAPI_GPU_GetThermalSettings;
moel@140: public static readonly NvAPI_EnumNvidiaDisplayHandleDelegate
moel@1: NvAPI_EnumNvidiaDisplayHandle;
moel@140: public static readonly NvAPI_GetPhysicalGPUsFromDisplayDelegate
moel@1: NvAPI_GetPhysicalGPUsFromDisplay;
moel@140: public static readonly NvAPI_EnumPhysicalGPUsDelegate
moel@1: NvAPI_EnumPhysicalGPUs;
moel@140: public static readonly NvAPI_GPU_GetTachReadingDelegate
moel@38: NvAPI_GPU_GetTachReading;
moel@140: public static readonly NvAPI_GPU_GetAllClocksDelegate
moel@140: NvAPI_GPU_GetAllClocks;
moel@140: public static readonly NvAPI_GPU_GetPStatesDelegate
moel@140: NvAPI_GPU_GetPStates;
moel@140: public static readonly NvAPI_GPU_GetUsagesDelegate
moel@140: NvAPI_GPU_GetUsages;
moel@140: public static readonly NvAPI_GPU_GetCoolerSettingsDelegate
moel@140: NvAPI_GPU_GetCoolerSettings;
moel@140: public static readonly NvAPI_GPU_GetMemoryInfoDelegate
moel@140: NvAPI_GPU_GetMemoryInfo;
moel@140: public static readonly NvAPI_GetDisplayDriverVersionDelegate
moel@167: NvAPI_GetDisplayDriverVersion;
moel@167:
moel@167: private NVAPI() { }
moel@1:
moel@1: public static NvStatus NvAPI_GPU_GetFullName(NvPhysicalGpuHandle gpuHandle,
moel@1: out string name) {
moel@1: StringBuilder builder = new StringBuilder(SHORT_STRING_MAX);
moel@101: NvStatus status;
moel@101: if (_NvAPI_GPU_GetFullName != null)
moel@101: status = _NvAPI_GPU_GetFullName(gpuHandle, builder);
moel@101: else
moel@101: status = NvStatus.FUNCTION_NOT_FOUND;
moel@1: name = builder.ToString();
moel@1: return status;
moel@1: }
moel@1:
moel@140: public static NvStatus NvAPI_GetInterfaceVersionString(out string version) {
moel@140: StringBuilder builder = new StringBuilder(SHORT_STRING_MAX);
moel@140: NvStatus status;
moel@140: if (_NvAPI_GetInterfaceVersionString != null)
moel@140: status = _NvAPI_GetInterfaceVersionString(builder);
moel@140: else
moel@140: status = NvStatus.FUNCTION_NOT_FOUND;
moel@140: version = builder.ToString();
moel@140: return status;
moel@140: }
moel@140:
moel@1: private static string GetDllName() {
moel@1: if (IntPtr.Size == 4) {
moel@1: return "nvapi.dll";
moel@1: } else {
moel@1: return "nvapi64.dll";
moel@1: }
moel@1: }
moel@1:
moel@1: private static void GetDelegate<T>(uint id, out T newDelegate)
moel@1: where T : class
moel@1: {
moel@1: IntPtr ptr = nvapi_QueryInterface(id);
moel@38: if (ptr != IntPtr.Zero) {
moel@38: newDelegate =
moel@38: Marshal.GetDelegateForFunctionPointer(ptr, typeof(T)) as T;
moel@38: } else {
moel@38: newDelegate = null;
moel@38: }
moel@1: }
moel@1:
moel@1: static NVAPI() {
moel@1: DllImportAttribute attribute = new DllImportAttribute(GetDllName());
moel@1: attribute.CallingConvention = CallingConvention.Cdecl;
moel@1: attribute.PreserveSig = true;
moel@1: attribute.EntryPoint = "nvapi_QueryInterface";
moel@1: PInvokeDelegateFactory.CreateDelegate(attribute,
moel@1: out nvapi_QueryInterface);
moel@1:
moel@1: try {
moel@1: GetDelegate(0x0150E828, out NvAPI_Initialize);
moel@1: } catch (DllNotFoundException) { return; }
moel@121: catch (EntryPointNotFoundException) { return; }
moel@1: catch (ArgumentNullException) { return; }
moel@1:
moel@1: if (NvAPI_Initialize() == NvStatus.OK) {
moel@1: GetDelegate(0xE3640A56, out NvAPI_GPU_GetThermalSettings);
moel@1: GetDelegate(0xCEEE8E9F, out _NvAPI_GPU_GetFullName);
moel@1: GetDelegate(0x9ABDD40D, out NvAPI_EnumNvidiaDisplayHandle);
moel@1: GetDelegate(0x34EF9506, out NvAPI_GetPhysicalGPUsFromDisplay);
moel@1: GetDelegate(0xE5AC921F, out NvAPI_EnumPhysicalGPUs);
moel@140: GetDelegate(0x5F608315, out NvAPI_GPU_GetTachReading);
moel@140: GetDelegate(0x1BD69F49, out NvAPI_GPU_GetAllClocks);
moel@140: GetDelegate(0x60DED2ED, out NvAPI_GPU_GetPStates);
moel@140: GetDelegate(0x189A1FDF, out NvAPI_GPU_GetUsages);
moel@140: GetDelegate(0xDA141340, out NvAPI_GPU_GetCoolerSettings);
moel@140: GetDelegate(0x774AA982, out NvAPI_GPU_GetMemoryInfo);
moel@140: GetDelegate(0xF951A4D1, out NvAPI_GetDisplayDriverVersion);
moel@140: GetDelegate(0x01053FA5, out _NvAPI_GetInterfaceVersionString);
moel@140:
moel@1: available = true;
moel@1: }
moel@1: }
moel@1:
moel@1: public static bool IsAvailable {
moel@1: get { return available; }
moel@1: }
moel@1:
moel@1: }
moel@1: }