TheRock/rocm-systems/projects/rocm-smi-lib/oam/example/oam_example.c

#include <stdio.h>

#include "oam/amd_oam.h"
#include "oam/oam_mapi.h"

const oam_ops_t amd_oam_ops = {
    .init = amdoam_init,
    .free = amdoam_free,
    //	.get_mapi_version = amdoam_get_mapi_version,
    .discover_devices = amdoam_discover_devices,
    .get_dev_properties = amdoam_get_dev_properties,
    .get_pci_properties = amdoam_get_pci_properties,
    .get_sensors_count = amdoam_get_sensors_count,
    .get_error_description = amdoam_get_error_description,
    .get_sensors_info = amdoam_get_sensors_info,
};

static int get_sensor_info(uint32_t device_id, oam_sensor_type_t type, uint32_t num_sensors,
                           char unit[]) {
  uint32_t j;
  oam_sensor_info_t* sensor_info = calloc(num_sensors, sizeof(oam_sensor_info_t));
  if (!sensor_info) {
    printf("Allocating power_info failed\n");
    return -1;
  }
  amd_oam_ops.get_sensors_info(device_id, type, num_sensors, sensor_info);
  for (j = 0; j < num_sensors; j++) {
    printf("\tSensor Name : %s \n", sensor_info[j].sensor_name);
    printf("\tSensor Type : %d \n", sensor_info[j].sensor_type);
    printf("\tSensor Value : %ld %s\n", sensor_info[j].value, unit);
  }
  free(sensor_info);
  printf("\t**************************************\n");
  return 0;
}

int main() {
  uint32_t dev_cnt = 0;
  oam_mapi_version_t version;
  oam_dev_properties_t* devs_prop;
  int i;
  oam_pci_info_t pci_info;
  oam_sensor_count_t sensor_count;
  const char* string;

  if (amd_oam_ops.init()) {
    printf("init failed\n");
    return -1;
  }

  //	amd_oam_ops.get_mapi_version(&version);
  if (!amd_oam_ops.discover_devices(&dev_cnt)) printf("%u AMD devices are discovered\n", dev_cnt);
  if (!dev_cnt) {
    printf("No devices are  found.\n");
    return amd_oam_ops.free();
  }
  devs_prop = calloc(dev_cnt, sizeof(oam_dev_properties_t));
  if (!devs_prop) {
    printf("Allocating dev_prop failed\n");
    return amd_oam_ops.free();
  }

  amd_oam_ops.get_dev_properties(dev_cnt, devs_prop);
  for (i = 0; i < dev_cnt; i++) {
    printf("Device %d:\n", i);
    printf("\tdevice id %d\n", devs_prop[i].device_id);
    printf("\tdevice_vendor %s\n", devs_prop[i].device_vendor);
    printf("\tdevice_name %s\n", devs_prop[i].device_name);
    printf("\tsku_name %s\n", devs_prop[i].sku_name);
    printf("\tboard_name %s\n", devs_prop[i].board_name);
    printf("\tboard_revision %s\n", devs_prop[i].board_revision);
    printf("\tboard_serial_number %s\n", devs_prop[i].board_serial_number);

    if (!amd_oam_ops.get_pci_properties(devs_prop[i].device_id, &pci_info)) {
      printf("\tPCI domain : 0x%d \n", pci_info.domain);
      printf("\tPCI bus : 0x%d \n", pci_info.bus);
      printf("\tPCI device : 0x%d \n", pci_info.device);
      printf("\tPCI function : 0x%d \n", pci_info.function);
    }

    printf("\t**************************************\n");
    if (amd_oam_ops.get_sensors_count(devs_prop[i].device_id, &sensor_count)) continue;
    printf("\tNumber of Power Sensors : %d \n", sensor_count.num_power_sensors);
    if (get_sensor_info(devs_prop[i].device_id, OAM_SENSOR_TYPE_POWER,
                        sensor_count.num_power_sensors, "uW"))
      goto failure;

    printf("\tNumber of Voltage Sensors : %d \n", sensor_count.num_voltage_sensors);
    if (get_sensor_info(devs_prop[i].device_id, OAM_SENSOR_TYPE_VOLTAGE,
                        sensor_count.num_voltage_sensors, "mV"))
      goto failure;

    printf("\tNumber of Current Sensors : %d \n", sensor_count.num_current_sensors);
    if (get_sensor_info(devs_prop[i].device_id, OAM_SENSOR_TYPE_CURRENT,
                        sensor_count.num_current_sensors, "A"))
      goto failure;

    printf("\tNumber of Temperature Sensors : %d \n", sensor_count.num_temperature_sensors);
    if (get_sensor_info(devs_prop[i].device_id, OAM_SENSOR_TYPE_TEMP,
                        sensor_count.num_temperature_sensors, "mC"))
      goto failure;

    printf("\tNumber of Fan Sensors : %d \n", sensor_count.num_fans);
    if (get_sensor_info(devs_prop[i].device_id, OAM_SENSOR_TYPE_FAN_SPEED, sensor_count.num_fans,
                        "rpm"))
      goto failure;
  }

  amd_oam_ops.get_error_description(1, &string);
  printf("error code 1: %s\n", string);

failure:
  free(devs_prop);
  amd_oam_ops.free();

  return 0;
}