nut/drivers/nut-ipmipsu.c
2011-09-29 20:14:46 +02:00

240 lines
6.5 KiB
C

/* nut-ipmipsu.c - Driver for IPMI Power Supply Units (PSU)
*
* Copyright (C) 2011 - Arnaud Quette <arnaud.quette@free.fr>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* TODO list:
* - PSU sensor monitoring (how to find the right one?)
* - dump all value at init, so that we can check for other interesting data
*/
#include "main.h"
#include "nut-ipmi.h"
#define DRIVER_NAME "IPMI PSU driver"
#define DRIVER_VERSION "0.06"
/* driver description structure */
upsdrv_info_t upsdrv_info = {
DRIVER_NAME,
DRIVER_VERSION,
"Arnaud Quette <arnaud.quette@free.fr>\n",
DRV_EXPERIMENTAL,
{ NULL }
};
/* Note on device.status
* OL: present and providing power
* OFF: present but not providing power (power cable removed)
* stale: not present (PSU removed)
* => should we prefer RB, MISSING, ABSENT, ???
*/
/* Abstract structure to allow different IPMI implementation
* We currently use FreeIPMI, but OpenIPMI and others are serious
* candidates! */
IPMIDevice_t ipmi_dev;
/* Currently used to store FRU ID, but will probably evolve... */
int ipmi_id = -1;
void upsdrv_initinfo(void)
{
/* try to detect the PSU here - call fatal_with_errno(EXIT_FAILURE, ) if it fails */
upsdebugx(1, "upsdrv_initinfo...");
/* print what we detected during IPMI open */
upsdebugx(1, "Detected a PSU: %s/%s",
ipmi_dev.manufacturer ? ipmi_dev.manufacturer : "unknown",
ipmi_dev.product ? ipmi_dev.product : "unknown");
dstate_setinfo("driver.version.data", "%s", DRIVER_NAME);
dstate_setinfo("driver.version.internal", DRIVER_VERSION);
dstate_setinfo ("device.type", "psu");
/* Publish information from the IPMI structure */
if (ipmi_dev.manufacturer)
dstate_setinfo("device.mfr", "%s", ipmi_dev.manufacturer);
if (ipmi_dev.product)
dstate_setinfo("device.model", "%s", ipmi_dev.product);
if (ipmi_dev.serial)
dstate_setinfo("device.serial", "%s", ipmi_dev.serial);
if (ipmi_dev.part)
dstate_setinfo("device.part", "%s", ipmi_dev.part);
if (ipmi_dev.date)
dstate_setinfo("device.mfr.date", "%s", ipmi_dev.date);
/* FIXME: move to device.id */
dstate_setinfo("ups.id", "%i", ipmi_id);
/* FIXME: move to device.realpower.nominal */
if (ipmi_dev.overall_capacity != -1)
dstate_setinfo("ups.realpower.nominal", "%i", ipmi_dev.overall_capacity);
if (ipmi_dev.input_minvoltage != -1)
dstate_setinfo("input.voltage.minimum", "%i", ipmi_dev.input_minvoltage);
if (ipmi_dev.input_maxvoltage != -1)
dstate_setinfo("input.voltage.maximum", "%i", ipmi_dev.input_maxvoltage);
if (ipmi_dev.input_minfreq != -1)
dstate_setinfo("input.frequency.low", "%i", ipmi_dev.input_minfreq);
if (ipmi_dev.input_maxfreq != -1)
dstate_setinfo("input.frequency.high", "%i", ipmi_dev.input_maxfreq);
/* FIXME: move to device.voltage */
if (ipmi_dev.voltage != -1)
dstate_setinfo("ups.voltage", "%i", ipmi_dev.voltage);
if (nut_ipmi_monitoring_init() != 0)
fatalx(EXIT_FAILURE, "Can't initialize IPMI monitoring");
if (nut_ipmi_get_sensors_status(&ipmi_dev) != 0) {
upsdebugx(1, "Error while updating sensors values");
dstate_datastale();
}
else {
dstate_dataok();
}
/* upsh.instcmd = instcmd; */
}
void upsdrv_updateinfo(void)
{
upsdebugx(1, "upsdrv_updateinfo...");
/* FIXME: implement sensors monitoring */
if (nut_ipmi_get_sensors_status(&ipmi_dev) != 0) {
upsdebugx(1, "Error while updating sensors values");
dstate_datastale();
}
else {
dstate_dataok();
}
/*
* poll_interval = 2;
*/
}
void upsdrv_shutdown(void)
{
fatalx(EXIT_FAILURE, "shutdown not supported");
}
/*
static int instcmd(const char *cmdname, const char *extra)
{
if (!strcasecmp(cmdname, "test.battery.stop")) {
ser_send_buf(upsfd, ...);
return STAT_INSTCMD_HANDLED;
}
upslogx(LOG_NOTICE, "instcmd: unknown command [%s]", cmdname);
return STAT_INSTCMD_UNKNOWN;
}
*/
/*
static int setvar(const char *varname, const char *val)
{
if (!strcasecmp(varname, "ups.test.interval")) {
ser_send_buf(upsfd, ...);
return STAT_SET_HANDLED;
}
upslogx(LOG_NOTICE, "setvar: unknown variable [%s]", varname);
return STAT_SET_UNKNOWN;
}
*/
void upsdrv_help(void)
{
}
/* list flags and values that you want to receive via -x */
void upsdrv_makevartable(void)
{
/* FIXME: need more params.
addvar(VAR_VALUE, "username", "Remote server username");
addvar(VAR_VALUE, "password", "Remote server password");
addvar(VAR_VALUE, "authtype",
"Authentication type to use during lan session activation");
addvar(VAR_VALUE, "type",
"Type of the device to match ('psu' for \"Power Supply\")");
addvar(VAR_VALUE, "serial", "Serial number to match a specific device");
addvar(VAR_VALUE, "fruid", "FRU identifier to match a specific device");
addvar(VAR_VALUE, "sensorid", "Sensor identifier to match a specific device"); */
}
void upsdrv_initups(void)
{
upsdebugx(1, "upsdrv_initups...");
/* port can be expressed using:
* "id?" for device (FRU) ID 0x?
* "psu?" for PSU number ?
*/
if (!strncmp( device_path, "id", 2))
{
ipmi_id = atoi(device_path+2);
upsdebugx(2, "Device ID 0x%i", ipmi_id);
}
/* else... <psuX> to select PSU number X */
/* Clear the interface structure */
ipmi_dev.ipmi_id = -1;
ipmi_dev.manufacturer = NULL;
ipmi_dev.product = NULL;
ipmi_dev.serial = NULL;
ipmi_dev.part = NULL;
ipmi_dev.date = NULL;
ipmi_dev.overall_capacity = -1;
ipmi_dev.input_minvoltage = -1;
ipmi_dev.input_maxvoltage = -1;
ipmi_dev.input_minfreq = -1;
ipmi_dev.input_maxfreq = -1;
ipmi_dev.voltage = -1;
ipmi_dev.sensors_count = 0;
ipmi_dev.status = -1;
ipmi_dev.input_voltage = -1;
ipmi_dev.input_current = -1;
ipmi_dev.temperature = -1;
/* Open IPMI using the above */
nut_ipmi_open(ipmi_id, &ipmi_dev);
/* the upsh handlers can't be done here, as they get initialized
* shortly after upsdrv_initups returns to main.
*/
/* don't try to detect the UPS here */
}
void upsdrv_cleanup(void)
{
upsdebugx(1, "upsdrv_cleanup...");
nut_ipmi_close();
}