Reorganize the code and add two ENVSYS_BATTERY_STATE sensors.

This commit is contained in:
xtraeme 2007-09-09 16:09:37 +00:00
parent e8f02a5c46
commit ae9c37793d
1 changed files with 123 additions and 115 deletions

View File

@ -1,4 +1,4 @@
/* $NetBSD: lkminit_envsys2.c,v 1.5 2007/09/08 00:23:46 xtraeme Exp $ */
/* $NetBSD: lkminit_envsys2.c,v 1.6 2007/09/09 16:09:37 xtraeme Exp $ */
/*-
* Copyright (c) 2007 The NetBSD Foundation, Inc.
@ -42,7 +42,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: lkminit_envsys2.c,v 1.5 2007/09/08 00:23:46 xtraeme Exp $");
__KERNEL_RCSID(0, "$NetBSD: lkminit_envsys2.c,v 1.6 2007/09/09 16:09:37 xtraeme Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -50,37 +50,51 @@ __KERNEL_RCSID(0, "$NetBSD: lkminit_envsys2.c,v 1.5 2007/09/08 00:23:46 xtraeme
#include <sys/errno.h>
#include <dev/sysmon/sysmonvar.h>
#define MAXSENSORS 16
#define MAXSENSORS 18
/*
* The list of sensors.
*/
enum sensors {
SENSOR_CPUTEMP = 0,
SENSOR_CPUFAN,
SENSOR_VCORE,
SENSOR_EXTERNAL_VOLTAGE,
SENSOR_VCORE_RESISTANCE,
SENSOR_CURRENT_POWER,
SENSOR_CURRENT_POTENCY,
SENSOR_CURRENT_RESISTANCE,
SENSOR_BATTERY0_CAPACITY,
SENSOR_BATTERY0_STATE,
SENSOR_BATTERY1_CAPACITY,
SENSOR_BATTERY1_STATE,
SENSOR_POWER_LED,
SENSOR_TECHNOLOGY,
SENSOR_MASTER_DISK,
SENSOR_DUP_CPUTEMP,
SENSOR_DUP_TECHNOLOGY,
SENSOR_EMPTY_DESC,
SENSOR_INVALID_STATE
};
struct envsys2_softc {
struct sysmon_envsys sc_sysmon;
envsys_data_t sc_sensor[MAXSENSORS];
};
/* Required stuff for LKM */
int envsys2_lkmentry(struct lkm_table *, int, int);
static int envsys2_mod_handle(struct lkm_table *, int);
/*
* Required stuff for the LKM part.
*/
int envsys2_lkmentry(struct lkm_table *, int, int);
static int envsys2_mod_handle(struct lkm_table *, int);
MOD_MISC("envsys2");
/* Required stuff by envsys(4) */
static int envsys2_gtredata(struct sysmon_envsys *, envsys_data_t *);
static void envsys2_initsensors(struct envsys2_softc *);
static void envsys2_refresh_sensor(struct sysmon_envsys *, envsys_data_t *);
static struct envsys2_softc e2_sc;
static int
envsys2_gtredata(struct sysmon_envsys *sme, envsys_data_t *edata)
{
/*
* refresh data in the sensor X via edata->sensor, which is
* the index used to find the sensor.
*/
envsys2_refresh_sensor(sme, edata);
/* we must always return 0 to signal envsys2 that is ok. */
return 0;
}
/*
* Required stuff by sysmon_envsys(9).
*/
static int envsys2_gtredata(struct sysmon_envsys *, envsys_data_t *);
static void envsys2_initsensors(struct envsys2_softc *);
static struct envsys2_softc e2_sc;
/*
* This function assigns sensor index, state, description and unit
@ -91,118 +105,103 @@ envsys2_gtredata(struct sysmon_envsys *sme, envsys_data_t *edata)
static void
envsys2_initsensors(struct envsys2_softc *sc)
{
#define COPYDESCR(a, b) \
do { \
(void)strlcpy((a), (b), sizeof((a))); \
/*
* Initialize the sensors with index, units, description
* and optionally with monitoring flags.
*/
#define INITSENSOR(idx, unit, string) \
do { \
sc->sc_sensor[idx].sensor = idx; \
sc->sc_sensor[idx].units = unit; \
sc->sc_sensor[idx].state = ENVSYS_SVALID; \
(void)strlcpy(sc->sc_sensor[idx].desc, string, \
sizeof(sc->sc_sensor->desc)); \
} while (/* CONSTCOND */ 0)
int i;
/*
* Initialize the sensors with the index and a valid state,
* and optionally with a monitoring flag.
*/
for (i = 0; i < MAXSENSORS; i++) {
sc->sc_sensor[i].sensor = i;
sc->sc_sensor[i].state = ENVSYS_SVALID;
}
/*
* Assign units and description, note that description must be
* unique in a device, and sensors with a duplicate description
* will be simply ignored.
*/
sc->sc_sensor[0].units = ENVSYS_STEMP;
COPYDESCR(sc->sc_sensor[0].desc, "CPU Temp");
/*
* We want to monitor for critical state in the CPU Temp sensor.
*/
sc->sc_sensor[0].monitor = true;
sc->sc_sensor[0].flags = ENVSYS_FMONCRITICAL;
INITSENSOR(SENSOR_CPUTEMP, ENVSYS_STEMP, "CPU Temp");
sc->sc_sensor[SENSOR_CPUTEMP].monitor = true;
sc->sc_sensor[SENSOR_CPUTEMP].flags = ENVSYS_FMONCRITICAL;
sc->sc_sensor[1].units = ENVSYS_SFANRPM;
COPYDESCR(sc->sc_sensor[1].desc, "CPU Fan");
/*
* We want to monitor for a critical under state in the CPU Fan
* sensor, so that we know if the fan is not working or stopped.
*/
sc->sc_sensor[1].monitor = true;
sc->sc_sensor[1].flags = ENVSYS_FMONCRITUNDER;
INITSENSOR(SENSOR_CPUFAN, ENVSYS_SFANRPM, "CPU Fan");
sc->sc_sensor[SENSOR_CPUFAN].monitor = true;
sc->sc_sensor[SENSOR_CPUFAN].flags = ENVSYS_FMONCRITUNDER;
sc->sc_sensor[2].units = ENVSYS_SVOLTS_DC;
COPYDESCR(sc->sc_sensor[2].desc, "VCore");
/*
* We want to monitor for a critical over state in the VCore
* sensor, so that we know if there's overvolt on it.
*/
sc->sc_sensor[2].monitor = true;
sc->sc_sensor[2].flags = ENVSYS_FMONCRITOVER;
INITSENSOR(SENSOR_VCORE, ENVSYS_SVOLTS_DC, "VCore");
sc->sc_sensor[SENSOR_VCORE].monitor = true;
sc->sc_sensor[SENSOR_VCORE].flags = ENVSYS_FMONCRITOVER;
sc->sc_sensor[3].units = ENVSYS_SVOLTS_AC;
COPYDESCR(sc->sc_sensor[3].desc, "External Voltage");
INITSENSOR(SENSOR_EXTERNAL_VOLTAGE, ENVSYS_SVOLTS_AC,
"External Voltage");
INITSENSOR(SENSOR_VCORE_RESISTANCE, ENVSYS_SOHMS, "VCore Resistance");
INITSENSOR(SENSOR_CURRENT_POWER, ENVSYS_SWATTS, "Current power");
INITSENSOR(SENSOR_CURRENT_POTENCY, ENVSYS_SAMPS, "Current potency");
INITSENSOR(SENSOR_BATTERY0_CAPACITY, ENVSYS_SWATTHOUR,
"Battery0 capacity");
sc->sc_sensor[4].units = ENVSYS_SOHMS;
COPYDESCR(sc->sc_sensor[4].desc, "VCore Resistance");
/*
* We want to monitor for state changes in a battery state, so
* that when its state has been changed, we will be notified.
*/
INITSENSOR(SENSOR_BATTERY0_STATE, ENVSYS_BATTERY_STATE,
"Battery0 state");
sc->sc_sensor[SENSOR_BATTERY0_STATE].monitor = true;
sc->sc_sensor[SENSOR_BATTERY0_STATE].flags = ENVSYS_FMONSTCHANGED;
sc->sc_sensor[5].units = ENVSYS_SWATTS;
COPYDESCR(sc->sc_sensor[5].desc, "Current power");
INITSENSOR(SENSOR_BATTERY1_CAPACITY, ENVSYS_SAMPHOUR,
"Battery1 capacity");
sc->sc_sensor[6].units = ENVSYS_SAMPS;
COPYDESCR(sc->sc_sensor[6].desc, "Current potency");
INITSENSOR(SENSOR_BATTERY1_STATE, ENVSYS_BATTERY_STATE,
"Battery1 state");
sc->sc_sensor[SENSOR_BATTERY1_STATE].monitor = true;
sc->sc_sensor[SENSOR_BATTERY1_STATE].flags = ENVSYS_FMONSTCHANGED;
sc->sc_sensor[7].units = ENVSYS_SWATTHOUR;
COPYDESCR(sc->sc_sensor[7].desc, "Battery0 capacity");
INITSENSOR(SENSOR_POWER_LED, ENVSYS_INDICATOR, "Power Led");
sc->sc_sensor[8].units = ENVSYS_SAMPHOUR;
COPYDESCR(sc->sc_sensor[8].desc, "Battery1 capacity");
sc->sc_sensor[9].units = ENVSYS_INDICATOR;
COPYDESCR(sc->sc_sensor[9].desc, "Power Led");
sc->sc_sensor[10].units = ENVSYS_INTEGER;
COPYDESCR(sc->sc_sensor[10].desc, "Technology");
/*
* We don't want to be able to set a critical limit in userland,
* so we must disable the monitoring flag in the sensor.
*/
sc->sc_sensor[10].flags = ENVSYS_FMONNOTSUPP;
INITSENSOR(SENSOR_TECHNOLOGY, ENVSYS_INTEGER, "Technology");
sc->sc_sensor[SENSOR_TECHNOLOGY].flags = ENVSYS_FMONNOTSUPP;
sc->sc_sensor[11].units = ENVSYS_DRIVE;
COPYDESCR(sc->sc_sensor[11].desc, "Master disk");
/*
* We want to monitor the state in the drive sensor, so
* that we know if it's not online or in normal operation.
*/
sc->sc_sensor[11].monitor = true;
sc->sc_sensor[11].flags = ENVSYS_FMONSTCHANGED;
INITSENSOR(SENSOR_MASTER_DISK, ENVSYS_DRIVE, "Master disk");
sc->sc_sensor[SENSOR_MASTER_DISK].monitor = true;
sc->sc_sensor[SENSOR_MASTER_DISK].flags = ENVSYS_FMONSTCHANGED;
/*
* Let's add two sensors with duplicate descriptions
* (they will be ignored and reported with debug output).
*
*/
sc->sc_sensor[12].units = ENVSYS_SWATTS;
COPYDESCR(sc->sc_sensor[12].desc, "CPU Temp");
sc->sc_sensor[13].units = ENVSYS_INTEGER;
COPYDESCR(sc->sc_sensor[13].desc, "Technology");
INITSENSOR(SENSOR_DUP_CPUTEMP, ENVSYS_STEMP, "CPU Temp");
INITSENSOR(SENSOR_DUP_TECHNOLOGY, ENVSYS_INTEGER, "Technology");
/*
* Let's try to add a sensor with empty description
* (it will be ignored and reported with debug output).
*/
sc->sc_sensor[14].units = ENVSYS_STEMP;
/* COPYDESCR(sc->sc_sensor[14].desc, "Another Temp"); */
INITSENSOR(SENSOR_EMPTY_DESC, ENVSYS_STEMP, "");
/*
* Now we will test a sensor with an unsupported state
* (it will be ignored and reported with debug output).
*/
sc->sc_sensor[15].units = ENVSYS_SFANRPM;
COPYDESCR(sc->sc_sensor[15].desc, "Another Fan");
sc->sc_sensor[15].state = -1;
INITSENSOR(SENSOR_INVALID_STATE, ENVSYS_SFANRPM, "Another Fan");
sc->sc_sensor[SENSOR_INVALID_STATE].state = -1;
}
/*
@ -213,40 +212,39 @@ envsys2_initsensors(struct envsys2_softc *sc)
* otherwise we might be refreshing the sensor more times than it
* should.
*/
static void
envsys2_refresh_sensor(struct sysmon_envsys *sme, envsys_data_t *edata)
static int
envsys2_gtredata(struct sysmon_envsys *sme, envsys_data_t *edata)
{
switch (edata->sensor) {
case 0:
case SENSOR_CPUTEMP:
/* CPU Temp, use 38C */
edata->value_cur = 38 * 1000000 + 273150000;
break;
case 1:
case SENSOR_CPUFAN:
/* CPU Fan, use 2560 RPM */
edata->value_cur = 2560;
break;
case 2:
case SENSOR_VCORE:
/* Vcore in DC, use 1.232V */
edata->value_cur = 1232 * 1000;
break;
case 3:
case SENSOR_EXTERNAL_VOLTAGE:
/* External Voltage in AC, use 223.2V */
edata->value_cur = 2232 * 100000;
break;
case 4:
case SENSOR_VCORE_RESISTANCE:
/* VCore resistance, use 12 Ohms */
edata->value_cur = 1200 * 10000;
break;
case 5:
case SENSOR_CURRENT_POWER:
/* Current power, use 30W */
edata->value_cur = 30000000;
break;
case 6:
case SENSOR_CURRENT_POTENCY:
/* Current potency, use 0.500A */
edata->value_cur = 500 * 1000;
break;
case 7:
case SENSOR_BATTERY0_CAPACITY:
/*
* Battery0 in Wh.
*
@ -263,45 +261,52 @@ envsys2_refresh_sensor(struct sysmon_envsys *sme, envsys_data_t *edata)
/* enable percentage display */
edata->flags |= ENVSYS_FPERCENT;
break;
case 8:
case SENSOR_BATTERY0_STATE:
edata->value_cur = ENVSYS_BATTERY_STATE_NORMAL;
break;
case SENSOR_BATTERY1_CAPACITY:
/* Battery1 in Ah */
edata->value_cur = 1890000;
edata->value_max= 4000000;
edata->flags |= ENVSYS_FVALID_MAX;
edata->flags |= ENVSYS_FPERCENT;
break;
case 9:
case SENSOR_BATTERY1_STATE:
edata->value_cur = ENVSYS_BATTERY_STATE_CRITICAL;
break;
case SENSOR_POWER_LED:
/*
* sensor with indicator units, only need to be marked
* as valid and use a value of 1 or 0.
*/
edata->value_cur = 1;
break;
case 10:
case SENSOR_TECHNOLOGY:
/* Technology, no comments */
edata->value_cur = 2007;
break;
case 11:
case SENSOR_MASTER_DISK:
/* Master disk, use the common DRIVE_ONLINE. */
edata->value_cur = ENVSYS_DRIVE_ONLINE;
break;
case 12:
case 13:
case 14:
case SENSOR_DUP_CPUTEMP:
case SENSOR_DUP_TECHNOLOGY:
case SENSOR_EMPTY_DESC:
/*
* These sensors are to test the framework
* work as expected, and they have duplicate
* or empty description.
*/
edata->state = ENVSYS_SINVALID;
return;
return 0;
case SENSOR_INVALID_STATE:
default:
/*
* The last sensor is to test the framework
* works as expected, and this sensor must not
* have any state set.
*/
return;
return 0;
}
/*
@ -310,6 +315,7 @@ envsys2_refresh_sensor(struct sysmon_envsys *sme, envsys_data_t *edata)
*/
edata->state = ENVSYS_SVALID;
return 0;
}
static int
@ -326,7 +332,9 @@ envsys2_mod_handle(struct lkm_table *lkmtp, int cmd)
if (lkmexists(lkmtp))
return EEXIST;
/* we must firstly create and initialize the sensors */
/*
* We must firstly create and initialize the sensors.
*/
envsys2_initsensors(sc);
/*
@ -347,8 +355,8 @@ envsys2_mod_handle(struct lkm_table *lkmtp, int cmd)
case LKM_E_UNLOAD:
/*
* Unregister our driver with the sysmon_envsys(9)
* framework. This will remove all events assigned
* to the device before.
* framework. This will remove all events currently
* assigned and the device itself.
*/
sysmon_envsys_unregister(&sc->sc_sysmon);
break;