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GOSTcoin support for ccminer CUDA miner project, compatible with most nvidia cards
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ccminer/nvml.h

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/*
* A trivial little dlopen()-based wrapper library for the
* NVIDIA NVML library, to allow runtime discovery of NVML on an
* arbitrary system. This is all very hackish and simple-minded, but
* it serves my immediate needs in the short term until NVIDIA provides
* a static NVML wrapper library themselves, hopefully in
* CUDA 6.5 or maybe sometime shortly after.
*
* This trivial code is made available under the "new" 3-clause BSD license,
* and/or any of the GPL licenses you prefer.
* Feel free to use the code and modify as you see fit.
*
* John E. Stone - john.stone@gmail.com
*
*/
#ifdef USE_WRAPNVML
#include "miner.h"
typedef void * nvmlDevice_t;
/* our own version of the PCI info struct */
typedef struct {
char bus_id_str[16]; /* string form of bus info */
unsigned int domain;
unsigned int bus;
unsigned int device;
unsigned int pci_device_id; /* combined device and vendor id */
unsigned int pci_subsystem_id;
unsigned int res0; /* NVML internal use only */
unsigned int res1;
unsigned int res2;
unsigned int res3;
} nvmlPciInfo_t;
enum nvmlEnableState_t {
NVML_FEATURE_DISABLED = 0,
NVML_FEATURE_ENABLED = 1,
NVML_FEATURE_UNKNOWN = 2
};
enum nvmlRestrictedAPI_t {
NVML_RESTRICTED_API_SET_APPLICATION_CLOCKS = 0,
NVML_RESTRICTED_API_SET_AUTO_BOOSTED_CLOCKS = 1, // not for GTX cards
NVML_RESTRICTED_API_COUNT = 2
};
enum nvmlReturn_t {
NVML_SUCCESS = 0,
NVML_ERROR_UNINITIALIZED = 1,
NVML_ERROR_INVALID_ARGUMENT = 2,
NVML_ERROR_NOT_SUPPORTED = 3,
NVML_ERROR_NO_PERMISSION = 4,
NVML_ERROR_ALREADY_INITIALIZED = 5,
NVML_ERROR_NOT_FOUND = 6,
NVML_ERROR_INSUFFICIENT_SIZE = 7,
NVML_ERROR_INSUFFICIENT_POWER = 8,
NVML_ERROR_DRIVER_NOT_LOADED = 9,
NVML_ERROR_TIMEOUT = 10,
NVML_ERROR_IRQ_ISSUE = 11,
NVML_ERROR_LIBRARY_NOT_FOUND = 12,
NVML_ERROR_FUNCTION_NOT_FOUND = 13,
NVML_ERROR_CORRUPTED_INFOROM = 14,
NVML_ERROR_GPU_IS_LOST = 15,
NVML_ERROR_RESET_REQUIRED = 16,
NVML_ERROR_OPERATING_SYSTEM = 17,
NVML_ERROR_LIB_RM_VERSION_MISMATCH = 18,
NVML_ERROR_IN_USE = 19,
NVML_ERROR_UNKNOWN = 999
};
enum nvmlClockType_t {
NVML_CLOCK_GRAPHICS = 0,
NVML_CLOCK_SM = 1,
NVML_CLOCK_MEM = 2,
NVML_CLOCK_VIDEO = 3,
NVML_CLOCK_COUNT
};
enum nvmlClockId_t {
NVML_CLOCK_ID_CURRENT = 0,
NVML_CLOCK_ID_APP_CLOCK_TARGET = 1,
NVML_CLOCK_ID_APP_CLOCK_DEFAULT = 2,
NVML_CLOCK_ID_CUSTOMER_BOOST_MAX = 3,
NVML_CLOCK_ID_COUNT
};
enum nvmlPcieUtilCounter_t {
NVML_PCIE_UTIL_TX_BYTES = 0,
NVML_PCIE_UTIL_RX_BYTES = 1,
NVML_PCIE_UTIL_COUNT
};
enum nvmlValueType_t {
NVML_VALUE_TYPE_DOUBLE = 0,
NVML_VALUE_TYPE_UNSIGNED_INT = 1,
NVML_VALUE_TYPE_UNSIGNED_LONG = 2,
NVML_VALUE_TYPE_UNSIGNED_LONG_LONG = 3,
NVML_VALUE_TYPE_COUNT
};
typedef int nvmlGpuTopologyLevel_t;
typedef int nvmlNvLinkCapability_t;
typedef int nvmlNvLinkErrorCounter_t;
typedef int nvmlNvLinkUtilizationControl_t;
#define NVML_DEVICE_SERIAL_BUFFER_SIZE 30
#define NVML_DEVICE_UUID_BUFFER_SIZE 80
#define NVML_DEVICE_VBIOS_VERSION_BUFFER_SIZE 32
/*
* Handle to hold the function pointers for the entry points we need,
* and the shared library itself.
*/
typedef struct {
void *nvml_dll;
int nvml_gpucount;
int cuda_gpucount;
unsigned int *nvml_pci_domain_id;
unsigned int *nvml_pci_bus_id;
unsigned int *nvml_pci_device_id;
unsigned int *nvml_pci_subsys_id;
int *nvml_cuda_device_id; /* map NVML dev to CUDA dev */
int *cuda_nvml_device_id; /* map CUDA dev to NVML dev */
nvmlDevice_t *devs;
nvmlEnableState_t *app_clocks;
nvmlReturn_t (*nvmlInit)(void);
nvmlReturn_t (*nvmlDeviceGetCount)(int *);
nvmlReturn_t (*nvmlDeviceGetHandleByIndex)(int, nvmlDevice_t *);
nvmlReturn_t (*nvmlDeviceGetAPIRestriction)(nvmlDevice_t, nvmlRestrictedAPI_t, nvmlEnableState_t *);
nvmlReturn_t (*nvmlDeviceSetAPIRestriction)(nvmlDevice_t, nvmlRestrictedAPI_t, nvmlEnableState_t);
nvmlReturn_t (*nvmlDeviceGetDefaultApplicationsClock)(nvmlDevice_t, nvmlClockType_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetApplicationsClock)(nvmlDevice_t, nvmlClockType_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceSetApplicationsClocks)(nvmlDevice_t, unsigned int, unsigned int);
nvmlReturn_t (*nvmlDeviceResetApplicationsClocks)(nvmlDevice_t);
nvmlReturn_t (*nvmlDeviceGetSupportedGraphicsClocks)(nvmlDevice_t, uint32_t mem, uint32_t *num, uint32_t *arr);
nvmlReturn_t (*nvmlDeviceGetSupportedMemoryClocks)(nvmlDevice_t, unsigned int *count, unsigned int *clocksMHz);
nvmlReturn_t (*nvmlDeviceGetClockInfo)(nvmlDevice_t, nvmlClockType_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetMaxClockInfo)(nvmlDevice_t, nvmlClockType_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetPowerManagementDefaultLimit)(nvmlDevice_t, unsigned int *limit);
nvmlReturn_t (*nvmlDeviceGetPowerManagementLimit)(nvmlDevice_t, unsigned int *limit);
nvmlReturn_t (*nvmlDeviceGetPowerManagementLimitConstraints)(nvmlDevice_t, unsigned int *min, unsigned int *max);
nvmlReturn_t (*nvmlDeviceSetPowerManagementLimit)(nvmlDevice_t device, unsigned int limit);
nvmlReturn_t (*nvmlDeviceGetPciInfo)(nvmlDevice_t, nvmlPciInfo_t *);
nvmlReturn_t (*nvmlDeviceGetCurrPcieLinkGeneration)(nvmlDevice_t device, unsigned int *gen);
nvmlReturn_t (*nvmlDeviceGetCurrPcieLinkWidth)(nvmlDevice_t device, unsigned int *width);
nvmlReturn_t (*nvmlDeviceGetMaxPcieLinkGeneration)(nvmlDevice_t device, unsigned int *gen);
nvmlReturn_t (*nvmlDeviceGetMaxPcieLinkWidth)(nvmlDevice_t device, unsigned int *width);
nvmlReturn_t (*nvmlDeviceGetName)(nvmlDevice_t, char *, int);
nvmlReturn_t (*nvmlDeviceGetTemperature)(nvmlDevice_t, int, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetFanSpeed)(nvmlDevice_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetPerformanceState)(nvmlDevice_t, int *); /* enum */
nvmlReturn_t (*nvmlDeviceGetPowerUsage)(nvmlDevice_t, unsigned int *);
nvmlReturn_t (*nvmlDeviceGetSerial)(nvmlDevice_t, char *serial, unsigned int len);
nvmlReturn_t (*nvmlDeviceGetUUID)(nvmlDevice_t, char *uuid, unsigned int len);
nvmlReturn_t (*nvmlDeviceGetVbiosVersion)(nvmlDevice_t, char *version, unsigned int len);
nvmlReturn_t (*nvmlSystemGetDriverVersion)(char *version, unsigned int len);
char* (*nvmlErrorString)(nvmlReturn_t);
nvmlReturn_t (*nvmlShutdown)(void);
// v331
nvmlReturn_t (*nvmlDeviceGetEnforcedPowerLimit)(nvmlDevice_t, unsigned int *limit);
// v340
#ifdef __linux__
nvmlReturn_t (*nvmlDeviceClearCpuAffinity)(nvmlDevice_t);
nvmlReturn_t (*nvmlDeviceGetCpuAffinity)(nvmlDevice_t, unsigned int cpuSetSize, unsigned long* cpuSet);
nvmlReturn_t (*nvmlDeviceSetCpuAffinity)(nvmlDevice_t);
#endif
// v346
nvmlReturn_t (*nvmlDeviceGetPcieThroughput)(nvmlDevice_t, nvmlPcieUtilCounter_t, unsigned int *value);
// v36x (API 8)
nvmlReturn_t (*nvmlDeviceGetClock)(nvmlDevice_t, nvmlClockType_t clockType, nvmlClockId_t clockId, unsigned int *clockMHz);
#ifdef __linux__
nvmlReturn_t (*nvmlSystemGetTopologyGpuSet)(unsigned int cpuNumber, unsigned int *count, nvmlDevice_t *deviceArray);
nvmlReturn_t (*nvmlDeviceGetTopologyNearestGpus)(nvmlDevice_t, nvmlGpuTopologyLevel_t level, unsigned int *count, nvmlDevice_t *deviceArray);
nvmlReturn_t (*nvmlDeviceGetTopologyCommonAncestor)(nvmlDevice_t device1, nvmlDevice_t device2, nvmlGpuTopologyLevel_t *pathInfo);
#endif
nvmlReturn_t (*nvmlDeviceGetNvLinkState)(nvmlDevice_t, unsigned int link, nvmlEnableState_t *isActive);
nvmlReturn_t (*nvmlDeviceGetNvLinkVersion)(nvmlDevice_t, unsigned int link, unsigned int *version);
nvmlReturn_t (*nvmlDeviceGetNvLinkCapability)(nvmlDevice_t, unsigned int link, nvmlNvLinkCapability_t capability, unsigned int *capResult);
nvmlReturn_t (*nvmlDeviceGetNvLinkRemotePciInfo)(nvmlDevice_t, unsigned int link, nvmlPciInfo_t *pci);
nvmlReturn_t (*nvmlDeviceGetNvLinkErrorCounter)(nvmlDevice_t, unsigned int link, nvmlNvLinkErrorCounter_t counter, unsigned long long *counterValue);
nvmlReturn_t (*nvmlDeviceResetNvLinkErrorCounters)(nvmlDevice_t, unsigned int link);
nvmlReturn_t (*nvmlDeviceSetNvLinkUtilizationControl)(nvmlDevice_t, unsigned int link, unsigned int counter, nvmlNvLinkUtilizationControl_t *control, unsigned int reset);
nvmlReturn_t (*nvmlDeviceGetNvLinkUtilizationControl)(nvmlDevice_t, unsigned int link, unsigned int counter, nvmlNvLinkUtilizationControl_t *control);
nvmlReturn_t (*nvmlDeviceGetNvLinkUtilizationCounter)(nvmlDevice_t, unsigned int link, unsigned int counter, unsigned long long *rxcounter, unsigned long long *txcounter);
nvmlReturn_t (*nvmlDeviceFreezeNvLinkUtilizationCounter)(nvmlDevice_t, unsigned int link, unsigned int counter, nvmlEnableState_t freeze);
nvmlReturn_t (*nvmlDeviceResetNvLinkUtilizationCounter)(nvmlDevice_t, unsigned int link, unsigned int counter);
} nvml_handle;
nvml_handle * nvml_create();
int nvml_destroy(nvml_handle *nvmlh);
// Debug informations
void nvml_print_device_info(int dev_id);
// Query the number of GPUs seen by NVML
int nvml_get_gpucount(nvml_handle *nvmlh, int *gpucount);
int nvml_set_plimit(nvml_handle *nvmlh, int dev_id);
int nvml_set_pstate(nvml_handle *nvmlh, int dev_id);
int nvml_set_clocks(nvml_handle *nvmlh, int dev_id);
int nvml_reset_clocks(nvml_handle *nvmlh, int dev_id);
/* api functions */
unsigned int gpu_fanpercent(struct cgpu_info *gpu);
unsigned int gpu_fanrpm(struct cgpu_info *gpu);
float gpu_temp(struct cgpu_info *gpu);
unsigned int gpu_power(struct cgpu_info *gpu);
int gpu_pstate(struct cgpu_info *gpu);
int gpu_busid(struct cgpu_info *gpu);
// pid/vid, sn and bios rev
int gpu_info(struct cgpu_info *gpu);
int gpu_vendor(uint8_t pci_bus_id, char *vendorname);
/* nvapi functions */
#ifdef WIN32
int nvapi_init();
int nvapi_init_settings();
// to debug nvapi..
int nvapi_pstateinfo(unsigned int devNum);
uint8_t nvapi_get_plimit(unsigned int devNum);
// cuda Replacement for 6.5 compat
int nvapiMemGetInfo(int dev_id, size_t *free, size_t *total);
#endif
#endif /* USE_WRAPNVML */