/** * Author......: See docs/credits.txt * License.....: MIT */ #ifndef _EXT_NVAPI_H #define _EXT_NVAPI_H /** * Declarations from nvapi.h and subheaders */ #define NVAPI_INTERFACE extern NvAPI_Status typedef unsigned long NvU32; typedef signed long NvS32; #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 NVAPI_MAX_PHYSICAL_GPUS 64 #define NVAPI_MAX_COOLER_PER_GPU 20 #define GPU_COOLER_LEVELS_VER 0x10000 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= -9, // An argument's structure version is not supported NVAPI_HANDLE_INVALIDATED = -10, // The handle is no longer valid (likely due to GPU or display re-configuration) NVAPI_OPENGL_CONTEXT_NOT_CURRENT = -11, // No NVIDIA OpenGL context is current (but needs to be)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; typedef struct struct_NV_GPU_PERF_POLICIES_INFO_PARAMS_V1 { // total size (of memset) is always: 76 = 0x4c NvU32 version; NvU32 a; NvU32 info_value; unsigned char x[64]; } NV_GPU_PERF_POLICIES_INFO_PARAMS_V1; typedef struct struct_NV_GPU_PERF_POLICIES_STATUS_PARAMS_V1 { // total size (of memset) is always: 1360 = 0x550 NvU32 version; NvU32 info_value; NvU32 a; NvU32 b; NvU32 throttle; unsigned char x[1340]; } NV_GPU_PERF_POLICIES_STATUS_PARAMS_V1; typedef struct struct_NvLevel { NvS32 Level; NvS32 Policy; } NvLevel; typedef struct struct_NV_GPU_COOLER_LEVELS { NvU32 Version; NvLevel Levels[NVAPI_MAX_COOLER_PER_GPU]; } NV_GPU_COOLER_LEVELS; NVAPI_INTERFACE NvAPI_QueryInterface (unsigned int 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_GetPerfPoliciesInfo (NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_PERF_POLICIES_INFO_PARAMS_V1 *perfPolicies_info); NVAPI_INTERFACE NvAPI_GPU_GetPerfPoliciesStatus (NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_PERF_POLICIES_STATUS_PARAMS_V1 *perfPolicies_status); NVAPI_INTERFACE NvAPI_GPU_SetCoolerLevels (NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex, NV_GPU_COOLER_LEVELS *pCoolerLevels); NVAPI_INTERFACE NvAPI_GPU_RestoreCoolerSettings (NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex); /* * End of declarations from nvapi.h and subheaders **/ typedef NvPhysicalGpuHandle HM_ADAPTER_NVAPI; #if defined(_WIN32) || defined(__WIN32__) || defined(__CYGWIN__) #define NVAPI_API_CALL __stdcall #else #define NVAPI_API_CALL #endif typedef int *(*NVAPI_API_CALL NVAPI_QUERYINTERFACE) (unsigned int); typedef int (*NVAPI_API_CALL NVAPI_INITIALIZE) (void); typedef int (*NVAPI_API_CALL NVAPI_UNLOAD) (void); typedef int (*NVAPI_API_CALL NVAPI_GETERRORMESSAGE) (NvAPI_Status, NvAPI_ShortString); typedef int (*NVAPI_API_CALL NVAPI_ENUMPHYSICALGPUS) (NvPhysicalGpuHandle nvGPUHandle[NVAPI_MAX_PHYSICAL_GPUS], NvU32 *); typedef int (*NVAPI_API_CALL NVAPI_GPU_GETPERFPOLICIESINFO) (NvPhysicalGpuHandle, NV_GPU_PERF_POLICIES_INFO_PARAMS_V1 *); typedef int (*NVAPI_API_CALL NVAPI_GPU_GETPERFPOLICIESSTATUS) (NvPhysicalGpuHandle, NV_GPU_PERF_POLICIES_STATUS_PARAMS_V1 *); typedef int (*NVAPI_API_CALL NVAPI_GPU_SETCOOLERLEVELS) (NvPhysicalGpuHandle, NvU32, NV_GPU_COOLER_LEVELS *); typedef int (*NVAPI_API_CALL NVAPI_GPU_RESTORECOOLERSETTINGS) (NvPhysicalGpuHandle, NvU32); #if defined (_POSIX) typedef void *NVAPI_LIB; #else typedef HINSTANCE NVAPI_LIB; #endif typedef struct hm_nvapi_lib { NVAPI_LIB lib; NVAPI_QUERYINTERFACE nvapi_QueryInterface; NVAPI_INITIALIZE NvAPI_Initialize; NVAPI_UNLOAD NvAPI_Unload; NVAPI_GETERRORMESSAGE NvAPI_GetErrorMessage; NVAPI_ENUMPHYSICALGPUS NvAPI_EnumPhysicalGPUs; NVAPI_GPU_GETPERFPOLICIESINFO NvAPI_GPU_GetPerfPoliciesInfo; NVAPI_GPU_GETPERFPOLICIESSTATUS NvAPI_GPU_GetPerfPoliciesStatus; NVAPI_GPU_SETCOOLERLEVELS NvAPI_GPU_SetCoolerLevels; NVAPI_GPU_RESTORECOOLERSETTINGS NvAPI_GPU_RestoreCoolerSettings; } hm_nvapi_lib_t; typedef hm_nvapi_lib_t NVAPI_PTR; int nvapi_init (NVAPI_PTR *nvapi); void nvapi_close (NVAPI_PTR *nvapi); int hm_NvAPI_QueryInterface (NVAPI_PTR *nvapi, unsigned int 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_GetPerfPoliciesInfo (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_PERF_POLICIES_INFO_PARAMS_V1 *perfPolicies_info); int hm_NvAPI_GPU_GetPerfPoliciesStatus (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NV_GPU_PERF_POLICIES_STATUS_PARAMS_V1 *perfPolicies_status); int hm_NvAPI_GPU_SetCoolerLevels (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex, NV_GPU_COOLER_LEVELS *pCoolerLevels); int hm_NvAPI_GPU_RestoreCoolerSettings (NVAPI_PTR *nvapi, NvPhysicalGpuHandle hPhysicalGpu, NvU32 coolerIndex); #endif // _EXT_NVAPI_H