/** * Authors.....: Jens Steube * Gabriele Gristina * * License.....: MIT */ #ifndef EXT_NVAPI_H #define EXT_NVAPI_H #if defined(HAVE_HWMON) && defined(HAVE_NVAPI) #include /* * Declarations from nvapi.h and subheaders **/ #ifndef __success #define __nvapi_success #define __success(epxr) #endif #define NVAPI_INTERFACE extern __success(return == NVAPI_OK) NvAPI_Status __cdecl /* * Definitions from nvapi_lite_common.h */ // 64-bit types for compilers that support them, plus some obsolete variants #if defined(__GNUC__) || defined(__arm) || defined(__IAR_SYSTEMS_ICC__) || defined(__ghs__) || defined(_WIN64) typedef unsigned long long NvU64; /* 0 to 18446744073709551615 */ typedef long long NvS64; /* -9223372036854775808 to 9223372036854775807 */ #else typedef unsigned __int64 NvU64; /* 0 to 18446744073709551615 */ typedef __int64 NvS64; /* -9223372036854775808 to 9223372036854775807 */ #endif // mac os 32-bit still needs this #if (defined(macintosh) || defined(__APPLE__)) && !defined(__LP64__) typedef signed long NvS32; /* -2147483648 to 2147483647 */ #else typedef signed int NvS32; /* -2147483648 to 2147483647 */ #endif // mac os 32-bit still needs this #if ( (defined(macintosh) && defined(__LP64__) && (__NVAPI_RESERVED0__)) || \ (!defined(macintosh) && defined(__NVAPI_RESERVED0__)) ) typedef unsigned int NvU32; /* 0 to 4294967295 */ #else typedef unsigned long NvU32; /* 0 to 4294967295 */ #endif typedef signed short NvS16; typedef unsigned short NvU16; typedef unsigned char NvU8; typedef signed char NvS8; #define NV_DECLARE_HANDLE(name) struct name##__ { int unused; }; typedef struct name##__ *name NV_DECLARE_HANDLE(NvPhysicalGpuHandle); // A single physical GPU #define NVAPI_GENERIC_STRING_MAX 4096 #define NVAPI_LONG_STRING_MAX 256 #define NVAPI_SHORT_STRING_MAX 64 typedef char NvAPI_String[NVAPI_GENERIC_STRING_MAX]; typedef char NvAPI_LongString[NVAPI_LONG_STRING_MAX]; typedef char NvAPI_ShortString[NVAPI_SHORT_STRING_MAX]; #define MAKE_NVAPI_VERSION(typeName,ver) (NvU32)(sizeof(typeName) | ((ver)<<16)) #define GET_NVAPI_VERSION(ver) (NvU32)((ver)>>16) #define GET_NVAPI_SIZE(ver) (NvU32)((ver) & 0xffff) #define NVAPI_MAX_PHYSICAL_GPUS 64 typedef enum _NvAPI_Status { NVAPI_OK = 0, // Success. Request is completed. NVAPI_ERROR = -1, // Generic error NVAPI_LIBRARY_NOT_FOUND = -2, // NVAPI support library cannot be loaded. NVAPI_NO_IMPLEMENTATION = -3, // not implemented in current driver installation NVAPI_API_NOT_INITIALIZED = -4, // NvAPI_Initialize has not been called (successfully) NVAPI_INVALID_ARGUMENT = -5, // The argument/parameter value is not valid or NULL. NVAPI_NVIDIA_DEVICE_NOT_FOUND = -6, // No NVIDIA display driver, or NVIDIA GPU driving a display, was found. NVAPI_END_ENUMERATION = -7, // No more items to enumerate NVAPI_INVALID_HANDLE = -8, // Invalid handle NVAPI_INCOMPATIBLE_STRUCT_VERSION = -9, // An argument's structure version is not supported NVAPI_HANDLE_INVALIDATED = -10, // The handle is no longer valid (likely due to GPU or display re-configuration) NVAPI_OPENGL_CONTEXT_NOT_CURRENT = -11, // No NVIDIA OpenGL context is current (but needs to be) NVAPI_INVALID_POINTER = -14, // An invalid pointer, usually NULL, was passed as a parameter NVAPI_NO_GL_EXPERT = -12, // OpenGL Expert is not supported by the current drivers NVAPI_INSTRUMENTATION_DISABLED = -13, // OpenGL Expert is supported, but driver instrumentation is currently disabled NVAPI_NO_GL_NSIGHT = -15, // OpenGL does not support Nsight NVAPI_EXPECTED_LOGICAL_GPU_HANDLE = -100, // Expected a logical GPU handle for one or more parameters NVAPI_EXPECTED_PHYSICAL_GPU_HANDLE = -101, // Expected a physical GPU handle for one or more parameters NVAPI_EXPECTED_DISPLAY_HANDLE = -102, // Expected an NV display handle for one or more parameters NVAPI_INVALID_COMBINATION = -103, // The combination of parameters is not valid. NVAPI_NOT_SUPPORTED = -104, // Requested feature is not supported in the selected GPU NVAPI_PORTID_NOT_FOUND = -105, // No port ID was found for the I2C transaction NVAPI_EXPECTED_UNATTACHED_DISPLAY_HANDLE = -106, // Expected an unattached display handle as one of the input parameters. NVAPI_INVALID_PERF_LEVEL = -107, // Invalid perf level NVAPI_DEVICE_BUSY = -108, // Device is busy; request not fulfilled NVAPI_NV_PERSIST_FILE_NOT_FOUND = -109, // NV persist file is not found NVAPI_PERSIST_DATA_NOT_FOUND = -110, // NV persist data is not found NVAPI_EXPECTED_TV_DISPLAY = -111, // Expected a TV output display NVAPI_EXPECTED_TV_DISPLAY_ON_DCONNECTOR = -112, // Expected a TV output on the D Connector - HDTV_EIAJ4120. NVAPI_NO_ACTIVE_SLI_TOPOLOGY = -113, // SLI is not active on this device. NVAPI_SLI_RENDERING_MODE_NOTALLOWED = -114, // Setup of SLI rendering mode is not possible right now. NVAPI_EXPECTED_DIGITAL_FLAT_PANEL = -115, // Expected a digital flat panel. NVAPI_ARGUMENT_EXCEED_MAX_SIZE = -116, // Argument exceeds the expected size. NVAPI_DEVICE_SWITCHING_NOT_ALLOWED = -117, // Inhibit is ON due to one of the flags in NV_GPU_DISPLAY_CHANGE_INHIBIT or SLI active. NVAPI_TESTING_CLOCKS_NOT_SUPPORTED = -118, // Testing of clocks is not supported. NVAPI_UNKNOWN_UNDERSCAN_CONFIG = -119, // The specified underscan config is from an unknown source (e.g. INF) NVAPI_TIMEOUT_RECONFIGURING_GPU_TOPO = -120, // Timeout while reconfiguring GPUs NVAPI_DATA_NOT_FOUND = -121, // Requested data was not found NVAPI_EXPECTED_ANALOG_DISPLAY = -122, // Expected an analog display NVAPI_NO_VIDLINK = -123, // No SLI video bridge is present NVAPI_REQUIRES_REBOOT = -124, // NVAPI requires a reboot for the settings to take effect NVAPI_INVALID_HYBRID_MODE = -125, // The function is not supported with the current Hybrid mode. NVAPI_MIXED_TARGET_TYPES = -126, // The target types are not all the same NVAPI_SYSWOW64_NOT_SUPPORTED = -127, // The function is not supported from 32-bit on a 64-bit system. NVAPI_IMPLICIT_SET_GPU_TOPOLOGY_CHANGE_NOT_ALLOWED = -128, // There is no implicit GPU topology active. Use NVAPI_SetHybridMode to change topology. NVAPI_REQUEST_USER_TO_CLOSE_NON_MIGRATABLE_APPS = -129, // Prompt the user to close all non-migratable applications. NVAPI_OUT_OF_MEMORY = -130, // Could not allocate sufficient memory to complete the call. NVAPI_WAS_STILL_DRAWING = -131, // The previous operation that is transferring information to or from this surface is incomplete. NVAPI_FILE_NOT_FOUND = -132, // The file was not found. NVAPI_TOO_MANY_UNIQUE_STATE_OBJECTS = -133, // There are too many unique instances of a particular type of state object. NVAPI_INVALID_CALL = -134, // The method call is invalid. For example, a method's parameter may not be a valid pointer. NVAPI_D3D10_1_LIBRARY_NOT_FOUND = -135, // d3d10_1.dll cannot be loaded. NVAPI_FUNCTION_NOT_FOUND = -136, // Couldn't find the function in the loaded DLL. NVAPI_INVALID_USER_PRIVILEGE = -137, // Current User is not Admin. NVAPI_EXPECTED_NON_PRIMARY_DISPLAY_HANDLE = -138, // The handle corresponds to GDIPrimary. NVAPI_EXPECTED_COMPUTE_GPU_HANDLE = -139, // Setting Physx GPU requires that the GPU is compute-capable. NVAPI_STEREO_NOT_INITIALIZED = -140, // The Stereo part of NVAPI failed to initialize completely. Check if the stereo driver is installed. NVAPI_STEREO_REGISTRY_ACCESS_FAILED = -141, // Access to stereo-related registry keys or values has failed. NVAPI_STEREO_REGISTRY_PROFILE_TYPE_NOT_SUPPORTED = -142, // The given registry profile type is not supported. NVAPI_STEREO_REGISTRY_VALUE_NOT_SUPPORTED = -143, // The given registry value is not supported. NVAPI_STEREO_NOT_ENABLED = -144, // Stereo is not enabled and the function needed it to execute completely. NVAPI_STEREO_NOT_TURNED_ON = -145, // Stereo is not turned on and the function needed it to execute completely. NVAPI_STEREO_INVALID_DEVICE_INTERFACE = -146, // Invalid device interface. NVAPI_STEREO_PARAMETER_OUT_OF_RANGE = -147, // Separation percentage or JPEG image capture quality is out of [0-100] range. NVAPI_STEREO_FRUSTUM_ADJUST_MODE_NOT_SUPPORTED = -148, // The given frustum adjust mode is not supported. NVAPI_TOPO_NOT_POSSIBLE = -149, // The mosaic topology is not possible given the current state of the hardware. NVAPI_MODE_CHANGE_FAILED = -150, // An attempt to do a display resolution mode change has failed. NVAPI_D3D11_LIBRARY_NOT_FOUND = -151, // d3d11.dll/d3d11_beta.dll cannot be loaded. NVAPI_INVALID_ADDRESS = -152, // Address is outside of valid range. NVAPI_STRING_TOO_SMALL = -153, // The pre-allocated string is too small to hold the result. NVAPI_MATCHING_DEVICE_NOT_FOUND = -154, // The input does not match any of the available devices. NVAPI_DRIVER_RUNNING = -155, // Driver is running. NVAPI_DRIVER_NOTRUNNING = -156, // Driver is not running. NVAPI_ERROR_DRIVER_RELOAD_REQUIRED = -157, // A driver reload is required to apply these settings. NVAPI_SET_NOT_ALLOWED = -158, // Intended setting is not allowed. NVAPI_ADVANCED_DISPLAY_TOPOLOGY_REQUIRED = -159, // Information can't be returned due to "advanced display topology". NVAPI_SETTING_NOT_FOUND = -160, // Setting is not found. NVAPI_SETTING_SIZE_TOO_LARGE = -161, // Setting size is too large. NVAPI_TOO_MANY_SETTINGS_IN_PROFILE = -162, // There are too many settings for a profile. NVAPI_PROFILE_NOT_FOUND = -163, // Profile is not found. NVAPI_PROFILE_NAME_IN_USE = -164, // Profile name is duplicated. NVAPI_PROFILE_NAME_EMPTY = -165, // Profile name is empty. NVAPI_EXECUTABLE_NOT_FOUND = -166, // Application not found in the Profile. NVAPI_EXECUTABLE_ALREADY_IN_USE = -167, // Application already exists in the other profile. NVAPI_DATATYPE_MISMATCH = -168, // Data Type mismatch NVAPI_PROFILE_REMOVED = -169, // The profile passed as parameter has been removed and is no longer valid. NVAPI_UNREGISTERED_RESOURCE = -170, // An unregistered resource was passed as a parameter. NVAPI_ID_OUT_OF_RANGE = -171, // The DisplayId corresponds to a display which is not within the normal outputId range. NVAPI_DISPLAYCONFIG_VALIDATION_FAILED = -172, // Display topology is not valid so the driver cannot do a mode set on this configuration. NVAPI_DPMST_CHANGED = -173, // Display Port Multi-Stream topology has been changed. NVAPI_INSUFFICIENT_BUFFER = -174, // Input buffer is insufficient to hold the contents. NVAPI_ACCESS_DENIED = -175, // No access to the caller. NVAPI_MOSAIC_NOT_ACTIVE = -176, // The requested action cannot be performed without Mosaic being enabled. NVAPI_SHARE_RESOURCE_RELOCATED = -177, // The surface is relocated away from video memory. NVAPI_REQUEST_USER_TO_DISABLE_DWM = -178, // The user should disable DWM before calling NvAPI. NVAPI_D3D_DEVICE_LOST = -179, // D3D device status is D3DERR_DEVICELOST or D3DERR_DEVICENOTRESET - the user has to reset the device. NVAPI_INVALID_CONFIGURATION = -180, // The requested action cannot be performed in the current state. NVAPI_STEREO_HANDSHAKE_NOT_DONE = -181, // Call failed as stereo handshake not completed. NVAPI_EXECUTABLE_PATH_IS_AMBIGUOUS = -182, // The path provided was too short to determine the correct NVDRS_APPLICATION NVAPI_DEFAULT_STEREO_PROFILE_IS_NOT_DEFINED = -183, // Default stereo profile is not currently defined NVAPI_DEFAULT_STEREO_PROFILE_DOES_NOT_EXIST = -184, // Default stereo profile does not exist NVAPI_CLUSTER_ALREADY_EXISTS = -185, // A cluster is already defined with the given configuration. NVAPI_DPMST_DISPLAY_ID_EXPECTED = -186, // The input display id is not that of a multi stream enabled connector or a display device in a multi stream topology NVAPI_INVALID_DISPLAY_ID = -187, // The input display id is not valid or the monitor associated to it does not support the current operation NVAPI_STREAM_IS_OUT_OF_SYNC = -188, // While playing secure audio stream, stream goes out of sync NVAPI_INCOMPATIBLE_AUDIO_DRIVER = -189, // Older audio driver version than required NVAPI_VALUE_ALREADY_SET = -190, // Value already set, setting again not allowed. NVAPI_TIMEOUT = -191, // Requested operation timed out NVAPI_GPU_WORKSTATION_FEATURE_INCOMPLETE = -192, // The requested workstation feature set has incomplete driver internal allocation resources NVAPI_STEREO_INIT_ACTIVATION_NOT_DONE = -193, // Call failed because InitActivation was not called. NVAPI_SYNC_NOT_ACTIVE = -194, // The requested action cannot be performed without Sync being enabled. NVAPI_SYNC_MASTER_NOT_FOUND = -195, // The requested action cannot be performed without Sync Master being enabled. NVAPI_INVALID_SYNC_TOPOLOGY = -196, // Invalid displays passed in the NV_GSYNC_DISPLAY pointer. NVAPI_ECID_SIGN_ALGO_UNSUPPORTED = -197, // The specified signing algorithm is not supported. Either an incorrect value was entered or the current installed driver/hardware does not support the input value. NVAPI_ECID_KEY_VERIFICATION_FAILED = -198, // The encrypted public key verification has failed. NVAPI_FIRMWARE_OUT_OF_DATE = -199, // The device's firmware is out of date. NVAPI_FIRMWARE_REVISION_NOT_SUPPORTED = -200, // The device's firmware is not supported. } NvAPI_Status; /* * Declarations from from nvapi.h */ #define NVAPI_MAX_THERMAL_SENSORS_PER_GPU 3 // Used in NV_GPU_THERMAL_SETTINGS typedef enum { NVAPI_THERMAL_TARGET_NONE = 0, NVAPI_THERMAL_TARGET_GPU = 1, // GPU core temperature requires NvPhysicalGpuHandle NVAPI_THERMAL_TARGET_MEMORY = 2, // GPU memory temperature requires NvPhysicalGpuHandle NVAPI_THERMAL_TARGET_POWER_SUPPLY = 4, // GPU power supply temperature requires NvPhysicalGpuHandle NVAPI_THERMAL_TARGET_BOARD = 8, // GPU board ambient temperature requires NvPhysicalGpuHandle NVAPI_THERMAL_TARGET_VCD_BOARD = 9, // Visual Computing Device Board temperature requires NvVisualComputingDeviceHandle NVAPI_THERMAL_TARGET_VCD_INLET = 10, // Visual Computing Device Inlet temperature requires NvVisualComputingDeviceHandle NVAPI_THERMAL_TARGET_VCD_OUTLET = 11, // Visual Computing Device Outlet temperature requires NvVisualComputingDeviceHandle NVAPI_THERMAL_TARGET_ALL = 15, NVAPI_THERMAL_TARGET_UNKNOWN = -1, } NV_THERMAL_TARGET; // Used in NV_GPU_THERMAL_SETTINGS typedef enum { NVAPI_THERMAL_CONTROLLER_NONE = 0, NVAPI_THERMAL_CONTROLLER_GPU_INTERNAL, NVAPI_THERMAL_CONTROLLER_ADM1032, NVAPI_THERMAL_CONTROLLER_MAX6649, NVAPI_THERMAL_CONTROLLER_MAX1617, NVAPI_THERMAL_CONTROLLER_LM99, NVAPI_THERMAL_CONTROLLER_LM89, NVAPI_THERMAL_CONTROLLER_LM64, NVAPI_THERMAL_CONTROLLER_ADT7473, NVAPI_THERMAL_CONTROLLER_SBMAX6649, NVAPI_THERMAL_CONTROLLER_VBIOSEVT, NVAPI_THERMAL_CONTROLLER_OS, NVAPI_THERMAL_CONTROLLER_UNKNOWN = -1, } NV_THERMAL_CONTROLLER; // Used in NvAPI_GPU_GetThermalSettings() typedef struct { NvU32 version; // structure version NvU32 count; // number of associated thermal sensors struct { NV_THERMAL_CONTROLLER controller; // internal, ADM1032, MAX6649... NvU32 defaultMinTemp; // The min default temperature value of the thermal sensor in degree Celsius NvU32 defaultMaxTemp; // The max default temperature value of the thermal sensor in degree Celsius NvU32 currentTemp; // The current temperature value of the thermal sensor in degree Celsius NV_THERMAL_TARGET target; // Thermal sensor targeted @ GPU, memory, chipset, powersupply, Visual Computing Device, etc. } sensor[NVAPI_MAX_THERMAL_SENSORS_PER_GPU]; } NV_GPU_THERMAL_SETTINGS_V1; typedef struct { NvU32 version; // structure version NvU32 count; // number of associated thermal sensors struct { NV_THERMAL_CONTROLLER controller; // internal, ADM1032, MAX6649... NvS32 defaultMinTemp; // Minimum default temperature value of the thermal sensor in degree Celsius NvS32 defaultMaxTemp; // Maximum default temperature value of the thermal sensor in degree Celsius NvS32 currentTemp; // Current temperature value of the thermal sensor in degree Celsius NV_THERMAL_TARGET target; // Thermal sensor targeted - GPU, memory, chipset, powersupply, Visual Computing Device, etc } sensor[NVAPI_MAX_THERMAL_SENSORS_PER_GPU]; } NV_GPU_THERMAL_SETTINGS_V2; typedef NV_GPU_THERMAL_SETTINGS_V2 NV_GPU_THERMAL_SETTINGS; // Macro for constructing the version field of NV_GPU_THERMAL_SETTINGS_V1 #define NV_GPU_THERMAL_SETTINGS_VER_1 MAKE_NVAPI_VERSION(NV_GPU_THERMAL_SETTINGS_V1,1) // Macro for constructing the version field of NV_GPU_THERMAL_SETTINGS_V2 #define NV_GPU_THERMAL_SETTINGS_VER_2 MAKE_NVAPI_VERSION(NV_GPU_THERMAL_SETTINGS_V2,2) // Macro for constructing the version field of NV_GPU_THERMAL_SETTINGS #define NV_GPU_THERMAL_SETTINGS_VER NV_GPU_THERMAL_SETTINGS_VER_2 #define NVAPI_MAX_GPU_UTILIZATIONS 8 // Used in NvAPI_GPU_GetDynamicPstatesInfoEx(). typedef struct { NvU32 version; // Structure version NvU32 flags; // bit 0 indicates if the dynamic Pstate is enabled or not struct { NvU32 bIsPresent:1; // Set if this utilization domain is present on this GPU NvU32 percentage; // Percentage of time where the domain is considered busy in the last 1 second interval } utilization[NVAPI_MAX_GPU_UTILIZATIONS]; } NV_GPU_DYNAMIC_PSTATES_INFO_EX; // Macro for constructing the version field of NV_GPU_DYNAMIC_PSTATES_INFO_EX #define NV_GPU_DYNAMIC_PSTATES_INFO_EX_VER MAKE_NVAPI_VERSION(NV_GPU_DYNAMIC_PSTATES_INFO_EX,1) #define NVAPI_MAX_COOLER_PER_GPU 20 #define GPU_COOLER_SETTINGS_VER 0x20000 // Used in NV_GPU_COOLER_SETTINGS typedef struct { NvS32 Type; NvS32 Controller; NvS32 DefaultMin; NvS32 DefaultMax; NvS32 CurrentMin; NvS32 CurrentMax; NvS32 CurrentLevel; NvS32 DefaultPolicy; NvS32 CurrentPolicy; NvS32 Target; NvS32 ControlType; NvS32 Active; } NvCooler; // Used in NvAPI_GPU_GetCoolerSettings(). typedef struct { NvU32 Version; NvU32 Count; NvCooler Cooler[NVAPI_MAX_COOLER_PER_GPU]; } NV_GPU_COOLER_SETTINGS; NVAPI_INTERFACE NvAPI_QueryInterface(uint offset); NVAPI_INTERFACE NvAPI_Initialize(); NVAPI_INTERFACE NvAPI_Unload(); NVAPI_INTERFACE NvAPI_GetErrorMessage(NvAPI_Status nr,NvAPI_ShortString szDesc); NVAPI_INTERFACE NvAPI_EnumPhysicalGPUs(NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS], NvU32 *pGpuCount); NVAPI_INTERFACE NvAPI_GPU_GetThermalSettings(NvPhysicalGpuHandle hPhysicalGpu, NvU32 sensorIndex, NV_GPU_THERMAL_SETTINGS *pThermalSettings); NVAPI_INTERFACE NvAPI_GPU_GetTachReading(NvPhysicalGpuHandle hPhysicalGPU, NvU32 *pValue); NVAPI_INTERFACE NvAPI_GPU_GetCoolerSettings(NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex, NV_GPU_COOLER_SETTINGS *pCoolerSettings); NVAPI_INTERFACE NvAPI_GPU_GetDynamicPstatesInfoEx(NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_DYNAMIC_PSTATES_INFO_EX *pDynamicPstatesInfoEx); #ifdef __nvapi_success #undef __success #undef __nvapi_success #endif /* * End of declarations from nvapi.h and subheaders **/ // Just annotations (they do nothing special) #ifndef __success #define __success(x) #endif #ifndef __in #define __in #endif #ifndef __out #define __out #endif #ifndef __in_ecount #define __in_ecount(x) #endif #ifndef __out_ecount #define __out_ecount(x) #endif #ifndef __in_opt #define __in_opt #endif #ifndef __out_opt #define __out_opt #endif #ifndef __inout #define __inout #endif #ifndef __inout_opt #define __inout_opt #endif #ifndef __inout_ecount #define __inout_ecount(x) #endif #ifndef __inout_ecount_full #define __inout_ecount_full(x) #endif #ifndef __inout_ecount_part_opt #define __inout_ecount_part_opt(x,y) #endif #ifndef __inout_ecount_full_opt #define __inout_ecount_full_opt(x,y) #endif #ifndef __out_ecount_full_opt #define __out_ecount_full_opt(x) #endif typedef NvPhysicalGpuHandle HM_ADAPTER_NV; #include typedef int *(*NVAPI_QUERYINTERFACE) (uint); typedef int (*NVAPI_INITIALIZE) (void); typedef int (*NVAPI_UNLOAD) (void); typedef int (*NVAPI_GETERRORMESSAGE) (NvAPI_Status, NvAPI_ShortString); typedef int (*NVAPI_ENUMPHYSICALGPUS) (NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS], NvU32 *); typedef int (*NVAPI_GPU_GETTHERMALSETTINGS) (NvPhysicalGpuHandle, NvU32, NV_GPU_THERMAL_SETTINGS *); typedef int (*NVAPI_GPU_GETTACHREADING) (NvPhysicalGpuHandle, NvU32 *); typedef int (*NVAPI_GPU_GETCOOLERSETTINGS) (NvPhysicalGpuHandle, NvU32, NV_GPU_COOLER_SETTINGS *); typedef int (*NVAPI_GPU_GETDYNAMICPSTATESINFOEX) (NvPhysicalGpuHandle, NV_GPU_DYNAMIC_PSTATES_INFO_EX *); typedef struct { NV_LIB lib; NVAPI_QUERYINTERFACE nvapi_QueryInterface; NVAPI_INITIALIZE NvAPI_Initialize; NVAPI_UNLOAD NvAPI_Unload; NVAPI_GETERRORMESSAGE NvAPI_GetErrorMessage; NVAPI_ENUMPHYSICALGPUS NvAPI_EnumPhysicalGPUs; NVAPI_GPU_GETTHERMALSETTINGS NvAPI_GPU_GetThermalSettings; NVAPI_GPU_GETTACHREADING NvAPI_GPU_GetTachReading; NVAPI_GPU_GETCOOLERSETTINGS NvAPI_GPU_GetCoolerSettings; NVAPI_GPU_GETDYNAMICPSTATESINFOEX NvAPI_GPU_GetDynamicPstatesInfoEx; } hm_nvapi_lib_t; #define NVAPI_PTR hm_nvapi_lib_t int nvapi_init (NVAPI_PTR *nvapi); void nvapi_close (NVAPI_PTR *nvapi); int hm_NvAPI_QueryInterface (NVAPI_PTR *nvapi, uint offset); int hm_NvAPI_Initialize (NVAPI_PTR *nvapi); int hm_NvAPI_Unload (NVAPI_PTR *nvapi); int hm_NvAPI_GetErrorMessage (NVAPI_PTR *nvapi, NvAPI_Status nr, NvAPI_ShortString szDesc); int hm_NvAPI_EnumPhysicalGPUs (NVAPI_PTR *nvapi, NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS], NvU32 *pGpuCount); int hm_NvAPI_GPU_GetThermalSettings (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NvU32 sensorIndex, NV_GPU_THERMAL_SETTINGS *pThermalSettings); int hm_NvAPI_GPU_GetTachReading (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGPU, NvU32 *pValue); int hm_NvAPI_GPU_GetCoolerSettings (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex, NV_GPU_COOLER_SETTINGS *pCoolerSettings); int hm_NvAPI_GPU_GetDynamicPstatesInfoEx (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_DYNAMIC_PSTATES_INFO_EX *pDynamicPstatesInfoEx); #endif // HAVE_HWMON && HAVE_NVAPI #endif // EXT_NVAPI_H