moosecrap/evga-icx
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Pull out card functions from evga-card

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moosecrap
2026-09-29 01:28:05 -07:00
parent 30bf43627d
commit cecc34f0a6
5 changed files with 85 additions and 78 deletions
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Makefile
+1 -1
View File
@@ -1,6 +1,6 @@
.PHONY : clean debug
OBJS = evga-icx.o evga-card.o icx3.o board-sensors.o zen3-rapl.o
OBJS = card.o evga-icx.o evga-card.o icx3.o board-sensors.o zen3-rapl.o
LDLIBS = -li2c -lm
CFLAGS = -MD -I/usr/local/cuda/targets/x86_64-linux/include/
card.c
+57
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@@ -0,0 +1,57 @@
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <limits.h>
#include "card.h"
/* Read a 16-bit unsigned int from a pci id file */
unsigned short read_pci_id(char *device_path, char *field)
{
char buf[16];
char file_path[PATH_MAX];
strcpy(file_path, device_path);
strcat(file_path, field);
FILE *fp = fopen(file_path, "r");
if (fp == NULL)
return 0;
if (fgets(buf, sizeof(buf), fp) == NULL) {
fclose(fp);
return 0;
}
fclose(fp);
return (unsigned short)strtoul(buf, NULL, 16);
}
char *read_nvidia_pci_address(char *device_path)
{
char file_path[PATH_MAX];
char *ret = calloc(16 + 1, sizeof(char)); /* assuming pci ids could look as large as 00000000:0C:00.0 */
strcpy(file_path, device_path);
strcat(file_path, "/name");
FILE *fp = fopen(file_path, "r");
if (fp == NULL) {
free(ret);
return NULL;
}
fscanf(fp, "NVIDIA i2c adapter %*u at %16s", ret);
fclose(fp);
if (strlen(ret) == 0) {
free(ret);
return NULL;
}
return ret;
}
card.h
+22
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@@ -0,0 +1,22 @@
struct card_info {
char *card_name; /* The 'nice' name of the card */
char *pci_id; /* PCI bus address in domain:bus:device.function format. May be shortened (e.g. c:00.0) */
char *pci_dev_path; /* Path to the PCI device file */
void *bar0_mmap; /* Mmap of the PCI BAR0 */
unsigned short pci_device_id; /* The device ID of the card, i.e. corresponds to the NVIDIA model number */
char *i2c_dev_path; /* Path to the i2c device file */
int i2c_fd; /* File descriptor for the i2c device file, for re-use */
int product_id; /* EVGA internal product ID, as reported by the iCX3 controller */
void *nvml_device; /* Pointer to nvmlDevice_t for use in NVML calls */
};
struct gpu_pci_info {
char *card_name;
unsigned short vendor_id;
unsigned short device_id;
unsigned short subvendor_id;
unsigned short subdevice_id;
};
unsigned short read_pci_id(char *device_path, char *field);
char *read_nvidia_pci_address(char *device_path);
evga-card.c
+3 -54
View File
@@ -81,9 +81,9 @@ int find_evga_gpu_i2cs(struct card_info *infos, int max_gpus, int i2c_bus)
/* Write our card info into the provided struct array */
infos[num_gpus].card_name = evga_pci_ids[i].card_name;
infos[num_gpus].pci_id = pci_addr;
infos[num_gpus].pci_dev_path = strdup(pci_path);
infos[num_gpus].pci_device_id = pci_device;
infos[num_gpus].i2c_dev_path = calloc(strlen(dev_file) + 1, sizeof(char));
strcpy(infos[num_gpus].i2c_dev_path, dev_file);
infos[num_gpus].i2c_dev_path = strdup(dev_file);
num_gpus++;
break;
}
@@ -96,55 +96,4 @@ int find_evga_gpu_i2cs(struct card_info *infos, int max_gpus, int i2c_bus)
}
return num_gpus;
}
/* Read a 16-bit unsigned int from a pci id file */
unsigned short read_pci_id(char *device_path, char *field)
{
char buf[16];
char file_path[PATH_MAX];
strcpy(file_path, device_path);
strcat(file_path, field);
FILE *fp = fopen(file_path, "r");
if (fp == NULL)
return 0;
if (fgets(buf, sizeof(buf), fp) == NULL) {
fclose(fp);
return 0;
}
fclose(fp);
return (unsigned short)strtoul(buf, NULL, 16);
}
char *read_nvidia_pci_address(char *device_path)
{
char file_path[PATH_MAX];
char *ret = calloc(16 + 1, sizeof(char)); /* assuming pci ids could look as large as 00000000:0C:00.0 */
strcpy(file_path, device_path);
strcat(file_path, "/name");
FILE *fp = fopen(file_path, "r");
if (fp == NULL) {
free(ret);
return NULL;
}
fscanf(fp, "NVIDIA i2c adapter %*u at %16s", ret);
fclose(fp);
if (strlen(ret) == 0) {
free(ret);
return NULL;
}
return ret;
}
}
evga-card.h
+2 -23
View File
@@ -1,6 +1,8 @@
#ifndef EVGA_CARD_H
#define EVGA_CARD_H
#include "card.h"
#define NVIDIA_VEN 0x10DE
#define NVIDIA_RTX3060_DEV 0x2503
@@ -83,27 +85,6 @@
#define EVGA_RTX3090TI_FTW3_GAMING_SUB_DEV 0x4983
#define EVGA_RTX3090TI_FTW3_ULTRA_GAMING_SUB_DEV 0x4985
struct card_info {
char *card_name; /* The 'nice' name of the card */
char *pci_id; /* PCI bus address in domain:bus:device.function format. May be shortened (e.g. c:00.0) */
unsigned short pci_device_id; /* The device ID of the card, i.e. corresponds to the NVIDIA model number */
char *i2c_dev_path; /* Path to the i2c device file */
int i2c_fd; /* File descriptor for the i2c device file, for re-use */
int product_id; /* EVGA internal product ID, as reported by the iCX3 controller */
unsigned int bar0; /* Address of the card's PCI base address register */
void *nvml_device; /* Pointer to nvmlDevice_t for use in NVML calls */
void *vram_addr; /* Memory mapping for GDDR6 temps */
void *hotspot_addr; /* Memory mapping for hotspot temperature */
};
struct gpu_pci_info {
char *card_name;
unsigned short vendor_id;
unsigned short device_id;
unsigned short subvendor_id;
unsigned short subdevice_id;
};
static struct gpu_pci_info evga_pci_ids[] =
{
{"EVGA GeForce RTX 3060 Ti FTW3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3060TI_DEV, EVGA_SUB_VEN, EVGA_RTX3060TI_FTW3_GAMING_SUB_DEV },
@@ -166,7 +147,5 @@ static struct gpu_pci_info evga_pci_ids[] =
};
int find_evga_gpu_i2cs(struct card_info *infos, int max_gpus, int i2c_bus);
unsigned short read_pci_id(char *device_path, char *field);
char *read_nvidia_pci_address(char *device_path);
#endif