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osmo-bts/src/osmo-bts-lc15/misc/lc15bts_misc.c

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/* Copyright (C) 2015 by Yves Godin <support@nuranwireless.com>
*
* Based on sysmoBTS:
* sysmobts_misc.c
* (C) 2012 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as published by
* the Free Software Foundation; either version 3 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#include <stdint.h>
#include <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <getopt.h>
#include <fcntl.h>
#include <limits.h>
#include <time.h>
#include <sys/signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
#include <osmocom/core/msgb.h>
#include <osmocom/core/application.h>
#include <osmocom/vty/telnet_interface.h>
#include <osmocom/vty/logging.h>
#include "lc15bts_mgr.h"
#include "btsconfig.h"
#include "lc15bts_misc.h"
#include "lc15bts_par.h"
#include "lc15bts_mgr.h"
#include "lc15bts_temp.h"
#include "lc15bts_power.h"
/*********************************************************************
* Temperature handling
*********************************************************************/
static const struct {
const char *name;
int has_max;
enum lc15bts_temp_sensor sensor;
enum lc15bts_par ee_par;
} temp_data[] = {
{
.name = "supply_temp",
.has_max = 1,
.sensor = LC15BTS_TEMP_SUPPLY,
.ee_par = LC15BTS_PAR_TEMP_SUPPLY_MAX,
}, {
.name = "soc_temp",
.has_max = 0,
.sensor = LC15BTS_TEMP_SOC,
.ee_par = LC15BTS_PAR_TEMP_SOC_MAX,
}, {
.name = "fpga_temp",
.has_max = 0,
.sensor = LC15BTS_TEMP_FPGA,
.ee_par = LC15BTS_PAR_TEMP_FPGA_MAX,
}, {
.name = "rmsdet_temp",
.has_max = 1,
.sensor = LC15BTS_TEMP_RMSDET,
.ee_par = LC15BTS_PAR_TEMP_RMSDET_MAX,
}, {
.name = "ocxo_temp",
.has_max = 1,
.sensor = LC15BTS_TEMP_OCXO,
.ee_par = LC15BTS_PAR_TEMP_OCXO_MAX,
}, {
.name = "tx0_temp",
.has_max = 0,
.sensor = LC15BTS_TEMP_TX0,
.ee_par = LC15BTS_PAR_TEMP_TX0_MAX,
}, {
.name = "tx1_temp",
.has_max = 0,
.sensor = LC15BTS_TEMP_TX1,
.ee_par = LC15BTS_PAR_TEMP_TX1_MAX,
}, {
.name = "pa0_temp",
.has_max = 1,
.sensor = LC15BTS_TEMP_PA0,
.ee_par = LC15BTS_PAR_TEMP_PA0_MAX,
}, {
.name = "pa1_temp",
.has_max = 1,
.sensor = LC15BTS_TEMP_PA1,
.ee_par = LC15BTS_PAR_TEMP_PA1_MAX,
}
};
static const struct {
const char *name;
int has_max;
enum lc15bts_power_source sensor_source;
enum lc15bts_power_type sensor_type;
enum lc15bts_par ee_par;
} power_data[] = {
{
.name = "supply_volt",
.has_max = 1,
.sensor_source = LC15BTS_POWER_SUPPLY,
.sensor_type = LC15BTS_POWER_VOLTAGE,
.ee_par = LC15BTS_PAR_VOLT_SUPPLY_MAX,
}, {
.name = "supply_pwr",
.has_max = 1,
.sensor_source = LC15BTS_POWER_SUPPLY,
.sensor_type = LC15BTS_POWER_POWER,
.ee_par = LC15BTS_PAR_PWR_SUPPLY_MAX,
}, {
.name = "pa0_pwr",
.has_max = 1,
.sensor_source = LC15BTS_POWER_PA0,
.sensor_type = LC15BTS_POWER_POWER,
.ee_par = LC15BTS_PAR_PWR_PA0_MAX,
}, {
.name = "pa1_pwr",
.has_max = 1,
.sensor_source = LC15BTS_POWER_PA1,
.sensor_type = LC15BTS_POWER_POWER,
.ee_par = LC15BTS_PAR_PWR_PA1_MAX,
}
};
static const struct {
const char *name;
int has_max;
enum lc15bts_vswr_sensor sensor;
enum lc15bts_par ee_par;
} vswr_data[] = {
{
.name = "tx0_vswr",
.has_max = 0,
.sensor = LC15BTS_VSWR_TX0,
.ee_par = LC15BTS_PAR_VSWR_TX0_MAX,
}, {
.name = "tx1_vswr",
.has_max = 0,
.sensor = LC15BTS_VSWR_TX1,
.ee_par = LC15BTS_PAR_VSWR_TX1_MAX,
}
};
static const struct value_string power_unit_strs[] = {
{ LC15BTS_POWER_POWER, "W" },
{ LC15BTS_POWER_VOLTAGE, "V" },
{ 0, NULL }
};
void lc15bts_check_temp(int no_rom_write)
{
int temp_old[ARRAY_SIZE(temp_data)];
int temp_cur[ARRAY_SIZE(temp_data)];
int i, rc;
for (i = 0; i < ARRAY_SIZE(temp_data); i++) {
int ret;
rc = lc15bts_par_get_int(tall_mgr_ctx, temp_data[i].ee_par, &ret);
temp_old[i] = ret * 1000;
lc15bts_temp_get(temp_data[i].sensor, &temp_cur[i]);
if (temp_cur[i] < 0 && temp_cur[i] > -1000) {
LOGP(DTEMP, LOGL_ERROR, "Error reading temperature (%d): unexpected value %d\n",
temp_data[i].sensor, temp_cur[i]);
continue;
}
LOGP(DTEMP, LOGL_DEBUG, "Current %s temperature: %d.%d C\n",
temp_data[i].name, temp_cur[i]/1000, temp_cur[i]%1000);
if (temp_cur[i] > temp_old[i]) {
LOGP(DTEMP, LOGL_NOTICE, "New maximum %s "
"temperature: %d.%d C\n", temp_data[i].name,
temp_cur[i]/1000, temp_old[i]%1000);
if (!no_rom_write) {
rc = lc15bts_par_set_int(tall_mgr_ctx, temp_data[i].ee_par, temp_cur[i]/1000);
if (rc < 0)
LOGP(DTEMP, LOGL_ERROR, "error writing new %s "
"max temp %d (%s)\n", temp_data[i].name,
rc, strerror(errno));
}
}
}
}
void lc15bts_check_power(int no_rom_write)
{
int power_old[ARRAY_SIZE(power_data)];
int power_cur[ARRAY_SIZE(power_data)];
int i, rc;
int div_ratio;
for (i = 0; i < ARRAY_SIZE(power_data); i++) {
int ret;
rc = lc15bts_par_get_int(tall_mgr_ctx, power_data[i].ee_par, &ret);
switch(power_data[i].sensor_type) {
case LC15BTS_POWER_VOLTAGE:
div_ratio = 1000;
break;
case LC15BTS_POWER_POWER:
div_ratio = 1000000;
break;
default:
div_ratio = 1000;
}
power_old[i] = ret * div_ratio;
lc15bts_power_sensor_get(power_data[i].sensor_source, power_data[i].sensor_type, &power_cur[i]);
if (power_cur[i] < 0 && power_cur[i] > -1000) {
LOGP(DTEMP, LOGL_ERROR, "Error reading power (%d) (%d)\n", power_data[i].sensor_source,
power_data[i].sensor_type);
continue;
}
LOGP(DTEMP, LOGL_DEBUG, "Current %s power: %d.%d %s\n",
power_data[i].name, power_cur[i]/div_ratio, power_cur[i]%div_ratio,
get_value_string(power_unit_strs, power_data[i].sensor_type));
if (power_cur[i] > power_old[i]) {
LOGP(DTEMP, LOGL_NOTICE, "New maximum %s "
"power: %d.%d %s\n", power_data[i].name,
power_cur[i]/div_ratio, power_cur[i]%div_ratio,
get_value_string(power_unit_strs, power_data[i].sensor_type));
if (!no_rom_write) {
rc = lc15bts_par_set_int(tall_mgr_ctx, power_data[i].ee_par, power_cur[i]/div_ratio);
if (rc < 0)
LOGP(DTEMP, LOGL_ERROR, "error writing new %s "
"max power %d (%s)\n", power_data[i].name,
rc, strerror(errno));
}
}
}
}
void lc15bts_check_vswr(int no_rom_write)
{
int vswr_old[ARRAY_SIZE(vswr_data)];
int vswr_cur[ARRAY_SIZE(vswr_data)];
int i, rc;
for (i = 0; i < ARRAY_SIZE(vswr_data); i++) {
int ret;
rc = lc15bts_par_get_int(tall_mgr_ctx, vswr_data[i].ee_par, &ret);
vswr_old[i] = ret * 1000;
lc15bts_vswr_get(vswr_data[i].sensor, &vswr_cur[i]);
if (vswr_cur[i] < 0 && vswr_cur[i] > -1000) {
LOGP(DTEMP, LOGL_ERROR, "Error reading vswr (%d)\n", vswr_data[i].sensor);
continue;
}
LOGP(DTEMP, LOGL_DEBUG, "Current %s vswr: %d.%d\n",
vswr_data[i].name, vswr_cur[i]/1000, vswr_cur[i]%1000);
if (vswr_cur[i] > vswr_old[i]) {
LOGP(DTEMP, LOGL_NOTICE, "New maximum %s "
"vswr: %d.%d C\n", vswr_data[i].name,
vswr_cur[i]/1000, vswr_old[i]%1000);
if (!no_rom_write) {
rc = lc15bts_par_set_int(tall_mgr_ctx, vswr_data[i].ee_par, vswr_cur[i]/1000);
if (rc < 0)
LOGP(DTEMP, LOGL_ERROR, "error writing new %s "
"max vswr %d (%s)\n", vswr_data[i].name,
rc, strerror(errno));
}
}
}
}
/*********************************************************************
* Hours handling
*********************************************************************/
static time_t last_update;
int lc15bts_update_hours(int no_rom_write)
{
time_t now = time(NULL);
int rc, op_hrs;
/* first time after start of manager program */
if (last_update == 0) {
last_update = now;
rc = lc15bts_par_get_int(tall_mgr_ctx, LC15BTS_PAR_HOURS, &op_hrs);
if (rc < 0) {
LOGP(DTEMP, LOGL_ERROR, "Unable to read "
"operational hours: %d (%s)\n", rc,
strerror(errno));
return rc;
}
LOGP(DTEMP, LOGL_INFO, "Total hours of Operation: %u\n",
op_hrs);
return 0;
}
if (now >= last_update + 3600) {
rc = lc15bts_par_get_int(tall_mgr_ctx, LC15BTS_PAR_HOURS, &op_hrs);
if (rc < 0) {
LOGP(DTEMP, LOGL_ERROR, "Unable to read "
"operational hours: %d (%s)\n", rc,
strerror(errno));
return rc;
}
/* number of hours to increase */
op_hrs += (now-last_update)/3600;
LOGP(DTEMP, LOGL_INFO, "Total hours of Operation: %u\n",
op_hrs);
if (!no_rom_write) {
rc = lc15bts_par_set_int(tall_mgr_ctx, LC15BTS_PAR_HOURS, op_hrs);
if (rc < 0)
return rc;
}
last_update = now;
}
return 0;
}
/*********************************************************************
* Firmware reloading
*********************************************************************/
static const char *fw_sysfs[_NUM_FW] = {
[LC15BTS_FW_DSP0] = "/sys/kernel/debug/remoteproc/remoteproc0/recovery",
[LC15BTS_FW_DSP1] = "/sys/kernel/debug/remoteproc/remoteproc0/recovery",
};
int lc15bts_firmware_reload(enum lc15bts_firmware_type type)
{
int fd;
int rc;
switch (type) {
case LC15BTS_FW_DSP0:
case LC15BTS_FW_DSP1:
fd = open(fw_sysfs[type], O_WRONLY);
if (fd < 0) {
LOGP(DFW, LOGL_ERROR, "unable to open firmware device %s: %s\n",
fw_sysfs[type], strerror(errno));
close(fd);
return fd;
}
rc = write(fd, "restart", 8);
if (rc < 8) {
LOGP(DFW, LOGL_ERROR, "short write during "
"fw write to %s\n", fw_sysfs[type]);
close(fd);
return -EIO;
}
close(fd);
default:
return -EINVAL;
}
return 0;
}
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