moosecrap/evga-icx
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bfbc978da856f656c9a646e6e501717ca0043195
evga-icx/evga-card.c
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moosecrap bfbc978da8 Blackwell die, system, and VRAM temps. 
Code reorganization to better support non-iCX cards.
2026-09-30 00:16:02 -07:00

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#include <stdio.h>
#include <string.h>
#include <dirent.h>
#include <stdlib.h>
#include "evga-card.h"
#include "icx3.h"
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 },
{"EVGA GeForce RTX 3060 Ti FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3060TI_DEV, EVGA_SUB_VEN, EVGA_RTX3060TI_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3060 Ti FTW3 Ultra LHR" , NVIDIA_VEN, NVIDIA_RTX3060TI_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3060TI_FTW3_ULTRA_KL_SUB_DEV },
{"EVGA GeForce RTX 3070 Black Gaming" , NVIDIA_VEN, NVIDIA_RTX3070_DEV, EVGA_SUB_VEN, EVGA_RTX3070_XC3_BLACK_SUB_DEV },
{"EVGA GeForce RTX 3070 XC3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3070_DEV, EVGA_SUB_VEN, EVGA_RTX3070_XC3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3070 XC3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3070_DEV, EVGA_SUB_VEN, EVGA_RTX3070_XC3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3070 XC3 Ultra LHR" , NVIDIA_VEN, NVIDIA_RTX3070_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3070_XC3_ULTRA_LHR_SUB_DEV },
{"EVGA GeForce RTX 3070 XC3 Ultra Gaming" , NVIDIA_VEN, NVIDIA_RTX3070_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3070_XC3_ULTRA_GAMING_LHR_SUB_DEV },
{"EVGA GeForce RTX 3070 FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3070_DEV, EVGA_SUB_VEN, EVGA_RTX3070_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3070 FTW3 Ultra LHR" , NVIDIA_VEN, NVIDIA_RTX3070_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3070_FTW3_ULTRA_LHR_SUB_DEV },
{"EVGA GeForce RTX 3070 Ti XC3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3070TI_DEV, EVGA_SUB_VEN, EVGA_RTX3070TI_XC3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3070 Ti XC3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3070TI_DEV, EVGA_SUB_VEN, EVGA_RTX3070TI_XC3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3070 Ti XC3 Ultra v2" , NVIDIA_VEN, NVIDIA_RTX3070TI_DEV, EVGA_SUB_VEN, EVGA_RTX3070TI_XC3_ULTRA_V2_SUB_DEV },
{"EVGA GeForce RTX 3070 Ti FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3070TI_DEV, EVGA_SUB_VEN, EVGA_RTX3070TI_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3070 Ti FTW3 Ultra v2" , NVIDIA_VEN, NVIDIA_RTX3070TI_DEV, EVGA_SUB_VEN, EVGA_RTX3070TI_FTW3_ULTRA_V2_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Black" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_BLACK_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Black LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_BLACK_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Gaming LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_GAMING_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_ULTRA_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra Hybrid" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_ULTRA_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra Hybrid LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_ULTRA_HYBRID_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_XC3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra v2 LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_LHR_V2_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra Hybrid" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra Hybrid LHR" , NVIDIA_VEN, NVIDIA_RTX3080_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_HYBRID_LHR_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra Hybrid Gaming LHR" , NVIDIA_VEN, NVIDIA_RTX3080_12G_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_HYBRID_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3080_DEV, EVGA_SUB_VEN, EVGA_RTX3080_FTW3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3080 XC3 Ultra 12G" , NVIDIA_VEN, NVIDIA_RTX3080_12G_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_12G_XC3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra 12GB" , NVIDIA_VEN, NVIDIA_RTX3080_12G_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_12G_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3080 FTW3 Ultra Hydro Copper 12G" , NVIDIA_VEN, NVIDIA_RTX3080_12G_LHR_DEV, EVGA_SUB_VEN, EVGA_RTX3080_12G_FTW3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti XC3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_XC3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti XC3 Ultra Gaming" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_XC3_ULTRA_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti XC3 Gaming Hybrid" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_XC3_GAMING_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti XC3 Gaming Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_XC3_GAMING_HC_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti FTW3 Ultra Hybrid" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_FTW3_ULTRA_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3080 Ti FTW3 Ultra Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3080TI_DEV, EVGA_SUB_VEN, EVGA_RTX3080TI_FTW3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3090 XC3 Black" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_XC3_BLACK_SUB_DEV },
{"EVGA GeForce RTX 3090 XC3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_XC3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3090 XC3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_XC3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3090 XC3 Ultra Hybrid" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_XC3_ULTRA_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3090 XC3 Ultra Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_XC3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3090 FTW3 Ultra" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_FTW3_ULTRA_SUB_DEV },
{"EVGA GeForce RTX 3090 FTW3 Ultra v2" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_FTW3_ULTRA_V2_SUB_DEV },
{"EVGA GeForce RTX 3090 FTW3 Ultra v3" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_FTW3_ULTRA_V3_SUB_DEV },
{"EVGA GeForce RTX 3090 FTW3 Ultra Hybrid" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_FTW3_ULTRA_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3090 FTW3 Ultra Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_FTW3_ULTRA_HC_SUB_DEV },
{"EVGA GeForce RTX 3090 K|NGP|N Hybrid" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_KINGPIN_HYBRID_SUB_DEV },
{"EVGA GeForce RTX 3090 K|NGP|N Hydro Copper" , NVIDIA_VEN, NVIDIA_RTX3090_DEV, EVGA_SUB_VEN, EVGA_RTX3090_KINGPIN_HC_SUB_DEV },
{"EVGA GeForce RTX 3090 Ti FTW3 Black Gaming" , NVIDIA_VEN, NVIDIA_RTX3090TI_DEV, EVGA_SUB_VEN, EVGA_RTX3090TI_FTW3_BLACK_SUB_DEV },
{"EVGA GeForce RTX 3090 Ti FTW3 Gaming" , NVIDIA_VEN, NVIDIA_RTX3090TI_DEV, EVGA_SUB_VEN, EVGA_RTX3090TI_FTW3_GAMING_SUB_DEV },
{"EVGA GeForce RTX 3090 Ti FTW3 Ultra Gaming" , NVIDIA_VEN, NVIDIA_RTX3090TI_DEV, EVGA_SUB_VEN, EVGA_RTX3090TI_FTW3_ULTRA_GAMING_SUB_DEV }
};
/* Search all i2c device files for ones are on a PCI device of a supported GPU,
and respond with the correct iCX3 version information */
int find_evga_gpu_i2cs(struct card_info *infos, int max_gpus, int i2c_bus)
{
char i2c_devices_path[PATH_MAX];
char device_path[PATH_MAX];
char dev_file[PATH_MAX];
char pci_path[PATH_MAX];
char *pci_addr;
FILE *test_fd;
DIR *dir;
struct dirent *ent;
int num_gpus = 0;
int current_i2c_bus = -1;
unsigned short pci_vendor, pci_device, pci_subsystem_vendor, pci_subsystem_device = 0;
/* Start looking for I2C adapters in /sys/bus/i2c/devices/ */
strcpy(i2c_devices_path, "/sys/bus/i2c/devices/");
dir = opendir(i2c_devices_path);
/* make sure we can open the i2c device */
if(dir == NULL)
return -1;
/* loop over all i2c devices */
while((ent = readdir(dir)) != NULL)
{
/* Don't check any non-i2c devices */
if(strncmp(ent->d_name, "i2c-", 4) != 0)
continue;
/* Only probe the specific device given (if provided) */
if (i2c_bus >= 0) {
sscanf(ent->d_name, "i2c-%i", &current_i2c_bus);
if (current_i2c_bus != i2c_bus)
continue;
}
strcpy(device_path, i2c_devices_path);
strcat(device_path, ent->d_name);
/* Only check Nvidia devices */
pci_addr = read_nvidia_pci_address(device_path);
if (pci_addr == NULL)
continue;
/* Read the PCI info for the underlying device */
strcat(device_path, "/../");
if (realpath(device_path, pci_path) == NULL)
continue;
pci_vendor = read_pci_id(pci_path, "/vendor");
pci_device = read_pci_id(pci_path, "/device");
pci_subsystem_vendor = read_pci_id(pci_path, "/subsystem_vendor");
pci_subsystem_device = read_pci_id(pci_path, "/subsystem_device");
/* See if it's a matching device for a supported EVGA card */
for (int i = 0; i < (sizeof(evga_pci_ids) / sizeof(struct gpu_pci_info)); i++) {
if (pci_vendor == evga_pci_ids[i].vendor_id &&
pci_device == evga_pci_ids[i].device_id &&
pci_subsystem_vendor == evga_pci_ids[i].subvendor_id &&
pci_subsystem_device == evga_pci_ids[i].subdevice_id) {
/* Matched all PCI IDs, check for good firmware read */
strcpy(dev_file, "/dev/");
strcat(dev_file, ent->d_name);
infos[num_gpus].i2c_dev_path = dev_file;
if (icx3_init(&infos[num_gpus]) > 0) {
/* 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 = strdup(dev_file);
mmap_bar0(&infos[num_gpus]);
num_gpus++;
break;
}
}
}
if (num_gpus == max_gpus)
break;
}
return num_gpus;
}
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