251 lines
6.6 KiB
C
251 lines
6.6 KiB
C
/* nut-ipmipsu.c - Driver for IPMI Power Supply Units (PSU)
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*
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* Copyright (C)
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* 2011 - 2012 Arnaud Quette <arnaud.quette@free.fr>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO list:
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* - PSU sensor monitoring (how to find the right one?)
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* - dump all value at init, so that we can check for other interesting data
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*/
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#include "main.h"
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#include "nut-ipmi.h"
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#define DRIVER_NAME "IPMI PSU driver"
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#define DRIVER_VERSION "0.31"
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/* driver description structure */
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upsdrv_info_t upsdrv_info = {
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DRIVER_NAME,
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DRIVER_VERSION,
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"Arnaud Quette <arnaud.quette@free.fr>\n",
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DRV_EXPERIMENTAL,
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{ NULL }
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};
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/* Note on device.status
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* OL: present and providing power
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* OFF: present but not providing power (power cable removed)
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* stale: not present (PSU removed)
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* => should we prefer RB, MISSING, ABSENT, ???
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*/
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/* Abstract structure to allow different IPMI implementation
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* We currently use FreeIPMI, but OpenIPMI and others are serious
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* candidates! */
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static IPMIDevice_t ipmi_dev;
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/* Currently used to store FRU ID, but will probably evolve... */
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static int ipmi_id = -1;
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void upsdrv_initinfo(void)
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{
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/* try to detect the PSU here - call fatal_with_errno(EXIT_FAILURE, ) if it fails */
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upsdebugx(1, "upsdrv_initinfo...");
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/* print what we detected during IPMI open */
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upsdebugx(1, "Detected a PSU: %s/%s",
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ipmi_dev.manufacturer ? ipmi_dev.manufacturer : "unknown",
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ipmi_dev.product ? ipmi_dev.product : "unknown");
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dstate_setinfo ("device.type", "psu");
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/* Publish information from the IPMI structure */
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if (ipmi_dev.manufacturer)
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dstate_setinfo("device.mfr", "%s", ipmi_dev.manufacturer);
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if (ipmi_dev.product)
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dstate_setinfo("device.model", "%s", ipmi_dev.product);
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if (ipmi_dev.serial)
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dstate_setinfo("device.serial", "%s", ipmi_dev.serial);
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if (ipmi_dev.part)
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dstate_setinfo("device.part", "%s", ipmi_dev.part);
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if (ipmi_dev.date)
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dstate_setinfo("device.mfr.date", "%s", ipmi_dev.date);
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/* FIXME: move to device.id */
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dstate_setinfo("ups.id", "%i", ipmi_id);
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/* FIXME: move to device.realpower.nominal */
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if (ipmi_dev.overall_capacity != -1)
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dstate_setinfo("ups.realpower.nominal", "%i", ipmi_dev.overall_capacity);
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/* FIXME: Did older FreeIPMI with "unsigned int" voltage ranges
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* have a way to report invalid readings?
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*/
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#ifdef HAVE_FREEIPMI_11X_12X
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if (ipmi_dev.input_minvoltage != -1)
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#endif
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dstate_setinfo("input.voltage.minimum", "%i", ipmi_dev.input_minvoltage);
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#ifdef HAVE_FREEIPMI_11X_12X
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if (ipmi_dev.input_maxvoltage != -1)
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#endif
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dstate_setinfo("input.voltage.maximum", "%i", ipmi_dev.input_maxvoltage);
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if (ipmi_dev.input_minfreq != -1)
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dstate_setinfo("input.frequency.low", "%i", ipmi_dev.input_minfreq);
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if (ipmi_dev.input_maxfreq != -1)
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dstate_setinfo("input.frequency.high", "%i", ipmi_dev.input_maxfreq);
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/* FIXME: move to device.voltage */
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if (ipmi_dev.voltage != -1)
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dstate_setinfo("ups.voltage", "%i", ipmi_dev.voltage);
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if (nut_ipmi_monitoring_init() != 0)
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fatalx(EXIT_FAILURE, "Can't initialize IPMI monitoring");
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if (nut_ipmi_get_sensors_status(&ipmi_dev) != 0) {
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upsdebugx(1, "Error while updating sensors values");
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dstate_datastale();
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}
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else {
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dstate_dataok();
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}
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/* upsh.instcmd = instcmd; */
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}
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void upsdrv_updateinfo(void)
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{
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upsdebugx(1, "upsdrv_updateinfo...");
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/* FIXME: implement sensors monitoring */
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if (nut_ipmi_get_sensors_status(&ipmi_dev) != 0) {
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upsdebugx(1, "Error while updating sensors values");
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dstate_datastale();
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}
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else {
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dstate_dataok();
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}
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/*
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* poll_interval = 2;
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*/
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}
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void upsdrv_shutdown(void)
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__attribute__((noreturn));
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void upsdrv_shutdown(void)
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{
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fatalx(EXIT_FAILURE, "shutdown not supported");
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}
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/*
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static int instcmd(const char *cmdname, const char *extra)
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{
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if (!strcasecmp(cmdname, "test.battery.stop")) {
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ser_send_buf(upsfd, ...);
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return STAT_INSTCMD_HANDLED;
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}
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upslogx(LOG_NOTICE, "instcmd: unknown command [%s]", cmdname);
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return STAT_INSTCMD_UNKNOWN;
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}
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*/
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/*
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static int setvar(const char *varname, const char *val)
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{
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if (!strcasecmp(varname, "ups.test.interval")) {
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ser_send_buf(upsfd, ...);
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return STAT_SET_HANDLED;
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}
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upslogx(LOG_NOTICE, "setvar: unknown variable [%s]", varname);
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return STAT_SET_UNKNOWN;
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}
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*/
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void upsdrv_help(void)
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{
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}
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/* list flags and values that you want to receive via -x */
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void upsdrv_makevartable(void)
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{
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/* FIXME: need more params.
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addvar(VAR_VALUE, "username", "Remote server username");
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addvar(VAR_VALUE, "password", "Remote server password");
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addvar(VAR_VALUE, "authtype",
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"Authentication type to use during lan session activation");
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addvar(VAR_VALUE, "type",
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"Type of the device to match ('psu' for \"Power Supply\")");
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addvar(VAR_VALUE, "serial", "Serial number to match a specific device");
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addvar(VAR_VALUE, "fruid", "FRU identifier to match a specific device"); */
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}
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void upsdrv_initups(void)
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{
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upsdebugx(1, "upsdrv_initups...");
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/* port can be expressed in various forms:
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* - inband:
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* "id?" for device (FRU) ID 0x?
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* "psu?" for PSU number ?
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* - out of band
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* "id?@host"
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* "host" => requires serial or ...
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*/
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if (!strncmp( device_path, "id", 2))
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{
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ipmi_id = atoi(device_path+2);
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upsdebugx(2, "Device ID 0x%i", ipmi_id);
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}
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/* else... <psuX> to select PSU number X */
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/* Clear the interface structure */
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ipmi_dev.ipmi_id = -1;
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ipmi_dev.manufacturer = NULL;
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ipmi_dev.product = NULL;
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ipmi_dev.serial = NULL;
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ipmi_dev.part = NULL;
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ipmi_dev.date = NULL;
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ipmi_dev.overall_capacity = -1;
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ipmi_dev.input_minvoltage = -1;
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ipmi_dev.input_maxvoltage = -1;
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ipmi_dev.input_minfreq = -1;
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ipmi_dev.input_maxfreq = -1;
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ipmi_dev.voltage = -1;
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ipmi_dev.sensors_count = 0;
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ipmi_dev.status = -1;
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ipmi_dev.input_voltage = -1;
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ipmi_dev.input_current = -1;
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ipmi_dev.temperature = -1;
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/* Open IPMI using the above */
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nut_ipmi_open(ipmi_id, &ipmi_dev);
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/* the upsh handlers can't be done here, as they get initialized
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* shortly after upsdrv_initups returns to main.
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*/
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/* don't try to detect the UPS here */
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}
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void upsdrv_cleanup(void)
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{
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upsdebugx(1, "upsdrv_cleanup...");
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nut_ipmi_close();
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}
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