29ab9fa7d7
The runtime and management libraries may not always have identical ordering, so use the device UUID to correlate instead of ID.
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#ifndef __APPLE__
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#ifndef __GPU_INFO_NVML_H__
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#define __GPU_INFO_NVML_H__
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#include "gpu_info.h"
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// Just enough typedef's to dlopen/dlsym for memory information
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typedef enum nvmlReturn_enum {
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NVML_SUCCESS = 0,
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// Other values omitted for now...
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} nvmlReturn_t;
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typedef void *nvmlDevice_t; // Opaque is sufficient
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typedef struct nvmlMemory_st {
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unsigned long long total;
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unsigned long long free;
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unsigned long long used;
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} nvmlMemory_t;
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typedef enum nvmlBrandType_enum
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{
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NVML_BRAND_UNKNOWN = 0,
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} nvmlBrandType_t;
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typedef struct nvml_handle {
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void *handle;
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uint16_t verbose;
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nvmlReturn_t (*nvmlInit_v2)(void);
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nvmlReturn_t (*nvmlShutdown)(void);
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nvmlReturn_t (*nvmlDeviceGetHandleByUUID)(const char *, nvmlDevice_t *);
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nvmlReturn_t (*nvmlDeviceGetMemoryInfo)(nvmlDevice_t, nvmlMemory_t *);
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} nvml_handle_t;
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typedef struct nvml_init_resp {
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char *err; // If err is non-null handle is invalid
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nvml_handle_t ch;
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} nvml_init_resp_t;
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typedef struct nvml_compute_capability {
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char *err;
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int major;
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int minor;
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} nvml_compute_capability_t;
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void nvml_init(char *nvml_lib_path, nvml_init_resp_t *resp);
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void nvml_get_free(nvml_handle_t ch, char *uuid, uint64_t *free, uint64_t *total, uint64_t *used);
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void nvml_release(nvml_handle_t ch);
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#endif // __GPU_INFO_NVML_H__
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#endif // __APPLE__
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