BOOLEAN InitializeNvApi(VOID)
{
NvGpuPhysicalHandleList = PhCreateList(1);
NvGpuDisplayHandleList = PhCreateList(1);
#ifdef _M_IX86
if (!(NvApiLibrary = LoadLibrary(L"nvapi.dll")))
return FALSE;
#else
if (!(NvApiLibrary = LoadLibrary(L"nvapi64.dll")))
return FALSE;
#endif
if (!(NvAPI_QueryInterface = PhGetProcedureAddress(NvApiLibrary, "nvapi_QueryInterface", 0)))
return FALSE;
if (!(NvAPI_Initialize = NvAPI_QueryInterface(0x150E828UL)))
return FALSE;
if (!(NvAPI_Unload = NvAPI_QueryInterface(0xD22BDD7EUL)))
return FALSE;
if (!(NvAPI_GetErrorMessage = NvAPI_QueryInterface(0x6C2D048CUL)))
return FALSE;
if (!(NvAPI_EnumPhysicalGPUs = NvAPI_QueryInterface(0xE5AC921FUL)))
return FALSE;
if (!(NvAPI_EnumNvidiaDisplayHandle = NvAPI_QueryInterface(0x9ABDD40DUL)))
return FALSE;
// Information functions
NvAPI_SYS_GetDriverAndBranchVersion = NvAPI_QueryInterface(0x2926AAADUL);
NvAPI_GPU_GetFullName = NvAPI_QueryInterface(0xCEEE8E9FUL);
// Query functions
NvAPI_GPU_GetMemoryInfo = NvAPI_QueryInterface(0x774AA982UL);
NvAPI_GPU_GetThermalSettings = NvAPI_QueryInterface(0xE3640A56UL);
NvAPI_GPU_GetCoolerSettings = NvAPI_QueryInterface(0xDA141340UL);
NvAPI_GPU_GetPerfDecreaseInfo = NvAPI_QueryInterface(0x7F7F4600UL);
NvAPI_GPU_GetTachReading = NvAPI_QueryInterface(0x5F608315UL);
NvAPI_GPU_GetAllClockFrequencies = NvAPI_QueryInterface(0xDCB616C3UL);
// Undocumented Query functions
NvAPI_GPU_GetUsages = NvAPI_QueryInterface(0x189A1FDFUL);
NvAPI_GPU_GetAllClocks = NvAPI_QueryInterface(0x1BD69F49UL);
NvAPI_GPU_GetVoltageDomainsStatus = NvAPI_QueryInterface(0xC16C7E2CUL);
//NvAPI_GPU_GetPerfClocks = NvAPI_QueryInterface(0x1EA54A3B);
//NvAPI_GPU_GetVoltages = NvAPI_QueryInterface(0x7D656244);
//NvAPI_GPU_QueryActiveApps = NvAPI_QueryInterface(0x65B1C5F5);
//NvAPI_GPU_GetShaderPipeCount = NvAPI_QueryInterface(0x63E2F56F);
//NvAPI_GPU_GetShaderSubPipeCount = NvAPI_QueryInterface(0x0BE17923);
NvAPI_GPU_GetRamBusWidth = NvAPI_QueryInterface(0x7975C581); // ADD ME
NvAPI_GPU_GetRamBankCount = NvAPI_QueryInterface(0x17073A3CUL);
NvAPI_GPU_GetRamType = NvAPI_QueryInterface(0x57F7CAACUL);
NvAPI_GPU_GetRamMaker = NvAPI_QueryInterface(0x42AEA16AUL);
NvAPI_GPU_GetFoundry = NvAPI_QueryInterface(0x5D857A00UL);
//NvAPI_GetDisplayDriverMemoryInfo = NvAPI_QueryInterface(0x774AA982);
//NvAPI_GetPhysicalGPUsFromDisplay = NvAPI_QueryInterface(0x34EF9506);
NvAPI_GetDisplayDriverVersion = NvAPI_QueryInterface(0xF951A4D1UL);
NvAPI_GetDisplayDriverRegistryPath = NvAPI_QueryInterface(0x0E24CEEEUL);
//NvAPI_RestartDisplayDriver = NvAPI_QueryInterface(0xB4B26B65UL);
//NvAPI_GPU_GetBoardInfo = NvAPI_QueryInterface(0x22D54523);
//NvAPI_GPU_GetBusType = NvAPI_QueryInterface(0x1BB18724);
//NvAPI_GPU_GetIRQ = NvAPI_QueryInterface(0xE4715417);
NvAPI_GPU_GetVbiosVersionString = NvAPI_QueryInterface(0xA561FD7DUL);
NvAPI_GPU_GetShortName = NvAPI_QueryInterface(0xD988F0F3UL);
NvAPI_GPU_GetArchInfo = NvAPI_QueryInterface(0xD8265D24UL);
NvAPI_GPU_GetPCIIdentifiers = NvAPI_QueryInterface(0x2DDFB66EUL);
NvAPI_GPU_GetPartitionCount = NvAPI_QueryInterface(0x86F05D7AUL);
NvAPI_GPU_GetGpuCoreCount = NvAPI_QueryInterface(0xC7026A87UL);
NvAPI_GPU_GetPCIEInfo = NvAPI_QueryInterface(0xE3795199UL);
NvAPI_GPU_GetFBWidthAndLocation = NvAPI_QueryInterface(0x11104158UL);
NvAPI_GPU_ClientPowerTopologyGetStatus = NvAPI_QueryInterface(0x0EDCF624EUL);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GetDisplayDriverBuildTitle)(_In_ NvDisplayHandle hNvDisplay, NvAPI_ShortString pDriverBuildTitle);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GetDisplayDriverCompileType)(_In_ NvDisplayHandle hNvDisplay, NvU32* pDriverCompileType);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GetDisplayDriverSecurityLevel)(_In_ NvDisplayHandle hNvDisplay, NvU32* pDriverSecurityLevel);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GPU_GetVPECount)(_In_ NvPhysicalGpuHandle hPhysicalGPU, NvU32* pVPECount);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GPU_GetSerialNumber)(_In_ NvPhysicalGpuHandle hPhysicalGPU, NvU32* serialnumber);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GPU_GetExtendedMinorRevision)(_In_ NvPhysicalGpuHandle hPhysicalGPU, NvU32* revision);
//typedef NvAPI_Status (WINAPIV *_NvAPI_GPU_GetTargetID)(_In_ NvPhysicalGpuHandle hPhysicalGPU, NvU32* target);
//_NvAPI_GPU_GetExtendedMinorRevision NvAPI_GPU_GetExtendedMinorRevision;
//_NvAPI_GPU_GetTargetID NvAPI_GPU_GetTargetID;
//_NvAPI_GPU_GetSerialNumber NvAPI_GPU_GetSerialNumber;
//_NvAPI_GPU_GetVPECount NvAPI_GPU_GetVPECount;
//_NvAPI_GetDisplayDriverBuildTitle NvAPI_GetDisplayDriverBuildTitle;
//_NvAPI_GetDisplayDriverCompileType NvAPI_GetDisplayDriverCompileType;
//_NvAPI_GetDisplayDriverSecurityLevel NvAPI_GetDisplayDriverSecurityLevel;
//NvAPI_GPU_GetExtendedMinorRevision = NvAPI_QueryInterface(0x025F17421);
//NvAPI_GPU_GetTargetID = NvAPI_QueryInterface(0x35B5FD2F);
//NvAPI_GPU_GetSerialNumber = NvAPI_QueryInterface(0x14B83A5F);
//NvAPI_GPU_GetVPECount = NvAPI_QueryInterface(0xD8CBF37B);
//NvAPI_GetDisplayDriverBuildTitle = NvAPI_QueryInterface(0x7562E947);
//NvAPI_GetDisplayDriverCompileType = NvAPI_QueryInterface(0x988AEA78);
//NvAPI_GetDisplayDriverSecurityLevel = NvAPI_QueryInterface(0x9D772BBA);
if (NvAPI_Initialize() == NVAPI_OK)
{
NvGpuEnumPhysicalHandles();
NvGpuEnumDisplayHandles();
return TRUE;
}
return FALSE;
}
VOID NvApiInitialize(VOID)
{
ULONG sampleCount;
if (!PhGetIntegerSetting(SETTING_NAME_ENABLE_GPU))
return;
sampleCount = PhGetIntegerSetting(L"SampleCount");
PhInitializeCircularBuffer_FLOAT(&GpuUtilizationHistory, sampleCount);
PhInitializeCircularBuffer_ULONG(&GpuMemoryHistory, sampleCount);
PhInitializeCircularBuffer_FLOAT(&GpuBoardHistory, sampleCount);
PhInitializeCircularBuffer_FLOAT(&GpuBusHistory, sampleCount);
NvGpuPhysicalHandleList = PhCreateList(1);
NvGpuDisplayHandleList = PhCreateList(1);
#ifdef _M_IX86
if (!(NvApiLibrary = LoadLibrary(L"nvapi.dll")))
return;
#else
if (!(NvApiLibrary = LoadLibrary(L"nvapi64.dll")))
return;
#endif
// Retrieve the NvAPI_QueryInterface function address
if (!(NvAPI_QueryInterface = PhGetProcedureAddress(NvApiLibrary, "nvapi_QueryInterface", 0)))
return;
// Initialization functions
if (!(NvAPI_Initialize = NvAPI_QueryInterface(0x150E828UL)))
return;
if (!(NvAPI_Unload = NvAPI_QueryInterface(0xD22BDD7EUL)))
return;
// Error functions
NvAPI_GetErrorMessage = NvAPI_QueryInterface(0x6C2D048CUL);
// Handle functions
NvAPI_EnumPhysicalGPUs = NvAPI_QueryInterface(0xE5AC921FUL);
NvAPI_EnumNvidiaDisplayHandle = NvAPI_QueryInterface(0x9ABDD40DUL);
// Information functions
NvAPI_SYS_GetDriverAndBranchVersion = NvAPI_QueryInterface(0x2926AAADUL);
NvAPI_GPU_GetFullName = NvAPI_QueryInterface(0xCEEE8E9FUL);
// Query functions
NvAPI_GPU_GetMemoryInfo = NvAPI_QueryInterface(0x774AA982UL);
NvAPI_GPU_GetThermalSettings = NvAPI_QueryInterface(0xE3640A56UL);
NvAPI_GPU_GetCoolerSettings = NvAPI_QueryInterface(0xDA141340UL);
NvAPI_GPU_GetPerfDecreaseInfo = NvAPI_QueryInterface(0x7F7F4600UL);
NvAPI_GPU_GetTachReading = NvAPI_QueryInterface(0x5F608315UL);
NvAPI_GPU_GetAllClockFrequencies = NvAPI_QueryInterface(0xDCB616C3UL);
// Undocumented functions below
NvAPI_GPU_GetUsages = NvAPI_QueryInterface(0x189A1FDFUL);
NvAPI_GPU_GetAllClocks = NvAPI_QueryInterface(0x1BD69F49UL);
NvAPI_GPU_GetVoltageDomainsStatus = NvAPI_QueryInterface(0xC16C7E2CUL);
NvAPI_GPU_GetPerfClocks = NvAPI_QueryInterface(0x1EA54A3B);
NvAPI_GPU_GetVoltages = NvAPI_QueryInterface(0x7D656244);
NvAPI_GPU_QueryActiveApps = NvAPI_QueryInterface(0x65B1C5F5);
NvAPI_GPU_GetShaderPipeCount = NvAPI_QueryInterface(0x63E2F56F);
NvAPI_GPU_GetShaderSubPipeCount = NvAPI_QueryInterface(0x0BE17923);
NvAPI_GPU_GetRamBusWidth = NvAPI_QueryInterface(0x7975C581);
NvAPI_GPU_GetRamBankCount = NvAPI_QueryInterface(0x17073A3CUL);
NvAPI_GPU_GetRamType = NvAPI_QueryInterface(0x57F7CAACUL);
NvAPI_GPU_GetRamMaker = NvAPI_QueryInterface(0x42AEA16AUL);
NvAPI_GPU_GetFoundry = NvAPI_QueryInterface(0x5D857A00UL);
//NvAPI_GetDisplayDriverMemoryInfo = NvAPI_QueryInterface(0x774AA982);
//NvAPI_GetPhysicalGPUsFromDisplay = NvAPI_QueryInterface(0x34EF9506);
NvAPI_GetDisplayDriverVersion = NvAPI_QueryInterface(0xF951A4D1UL);
NvAPI_GetDisplayDriverRegistryPath = NvAPI_QueryInterface(0x0E24CEEEUL);
//NvAPI_RestartDisplayDriver = NvAPI_QueryInterface(0xB4B26B65UL);
//NvAPI_GPU_GetBoardInfo = NvAPI_QueryInterface(0x22D54523);
//NvAPI_GPU_GetBusType = NvAPI_QueryInterface(0x1BB18724);
//NvAPI_GPU_GetIRQ = NvAPI_QueryInterface(0xE4715417);
NvAPI_GPU_GetVbiosVersionString = NvAPI_QueryInterface(0xA561FD7DUL);
NvAPI_GPU_GetShortName = NvAPI_QueryInterface(0xD988F0F3UL);
NvAPI_GPU_GetArchInfo = NvAPI_QueryInterface(0xD8265D24UL);
NvAPI_GPU_GetPCIIdentifiers = NvAPI_QueryInterface(0x2DDFB66EUL);
NvAPI_GPU_GetPartitionCount = NvAPI_QueryInterface(0x86F05D7AUL);
NvAPI_GPU_GetGpuCoreCount = NvAPI_QueryInterface(0xC7026A87UL);
NvAPI_GPU_GetPCIEInfo = NvAPI_QueryInterface(0xE3795199UL);
NvAPI_GPU_GetFBWidthAndLocation = NvAPI_QueryInterface(0x11104158UL);
NvAPI_GPU_ClientPowerTopologyGetStatus = NvAPI_QueryInterface(0x0EDCF624EUL);
NvAPI_GetDisplayDriverBuildTitle = NvAPI_QueryInterface(0x7562E947);
NvAPI_GetDisplayDriverCompileType = NvAPI_QueryInterface(0x988AEA78);
NvAPI_GetDisplayDriverSecurityLevel = NvAPI_QueryInterface(0x9D772BBA);
NvAPI_GPU_GetVPECount = NvAPI_QueryInterface(0xD8CBF37B);
NvAPI_GPU_GetTargetID = NvAPI_QueryInterface(0x35B5FD2F);
//NvAPI_GPU_GetExtendedMinorRevision = NvAPI_QueryInterface(0x025F17421);
//NvAPI_GPU_GetSerialNumber = NvAPI_QueryInterface(0x14B83A5F);
if (NvAPI_Initialize() == NVAPI_OK)
{
NvGpuEnumPhysicalHandles();
NvGpuEnumDisplayHandles();
NvApiInitialized = TRUE;
}
}