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/*
* yosemite-sensors
*
* Copyright 2015-present Facebook. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <syslog.h>
#include <stdint.h>
#include <string.h>
#include <errno.h>
#include <stdbool.h>
#include <openbmc/pal.h>
#include <openbmc/sdr.h>
static int
print_usage() {
printf("Usage: sensor-util [ %s ] <--threshold> <sensor num>\n",
pal_fru_list);
}
static void
print_sensor_reading(float fvalue, thresh_sensor_t *thresh, bool threshold) {
if (threshold) {
printf("%-23s: Curr: %.2f %-8s\t"
" UCR: %.2f "
" UNC: %.2f "
" UNR: %.2f "
" LCR: %.2f "
" LNC: %.2f "
" LNR: %.2f \n",
thresh->name, fvalue, thresh->units,
thresh->ucr_thresh,
thresh->unc_thresh,
thresh->unr_thresh,
thresh->lcr_thresh,
thresh->lnc_thresh,
thresh->lnr_thresh);
} else {
printf("%-23s: %.2f %s\n", thresh->name, fvalue, thresh->units);
}
}
static void
calculate_sensor_reading(uint8_t fru, uint8_t *sensor_list, int sensor_cnt, int num, bool threshold) {
int i;
uint8_t snr_num;
float fvalue;
char path[64];
thresh_sensor_t thresh;
for (i = 0; i < sensor_cnt; i++) {
snr_num = sensor_list[i];
/* If calculation is for a single sensor, ignore all others. */
if (num && snr_num != num) {
continue;
}
if (threshold) {
if (sdr_get_snr_thresh(fru, snr_num, 0, &thresh))
syslog(LOG_ERR, "sdr_init_snr_thresh failed for FRU %d num: 0x%X", fru, snr_num);
} else {
sdr_get_sensor_name(fru, sensor_list[i], thresh.name);
sdr_get_sensor_units(fru, sensor_list[i], thresh.units);
}
usleep(50);
if (pal_sensor_read(fru, snr_num, &fvalue) < 0) {
printf("pal_sensor_read failed: FRU: %d num: 0x%X name: %-23s\n",
fru, sensor_list[i], thresh.name, thresh.units);
continue;
} else {
print_sensor_reading(fvalue, &thresh, threshold);
}
}
}
int
main(int argc, char **argv) {
int i;
int ret;
int sensor_cnt;
uint8_t *sensor_list;
uint8_t fru;
uint8_t num = 0;
bool threshold = false;
if (argc < 2 || argc > 4) {
print_usage();
exit(-1);
}
i = 3; /* Starting at argument 3*/
while (argc > 2 && i <= argc) {
if (!(strcmp(argv[i-1], "--threshold"))) {
threshold = true;
} else {
errno = 0;
num = (uint8_t) strtol(argv[i-1], NULL, 0);
if (errno) {
print_usage();
exit(-1);
}
}
i++;
}
ret = pal_get_fru_id(argv[1], &fru);
if (ret < 0) {
print_usage();
return ret;
}
if (fru == 0) {
fru = 1;
while (fru <= MAX_NUM_FRUS) {
ret = pal_get_fru_sensor_list(fru, &sensor_list, &sensor_cnt);
if (ret < 0) {
return ret;
}
calculate_sensor_reading(fru, sensor_list, sensor_cnt, num, threshold);
fru++;
printf("\n");
}
} else {
ret = pal_get_fru_sensor_list(fru, &sensor_list, &sensor_cnt);
if (ret < 0) {
return ret;
}
calculate_sensor_reading(fru, sensor_list, sensor_cnt, num, threshold);
}
return 0;
}
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