2016-03-24 14:02:30 -06:00

115 lines
4.8 KiB
C

/*
* Copyright (C) 2003-2015 FreeIPMI Core Team
*
* 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 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef IPMI_SENSOR_READ_H
#define IPMI_SENSOR_READ_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <freeipmi/api/ipmi-api.h>
#include <freeipmi/sdr/ipmi-sdr.h>
/* note: SENSOR_READING_UNAVAILABLE and SENSOR_SCANNING_DISABLED are
* because of configuration of a sensor. It is "ok" to some extent.
* SENSOR_READING_CANNOT_BE_OBTAINED is due to a retrieval error.
*/
#define IPMI_SENSOR_READ_ERR_SUCCESS 0
#define IPMI_SENSOR_READ_ERR_CONTEXT_NULL 1
#define IPMI_SENSOR_READ_ERR_CONTEXT_INVALID 2
#define IPMI_SENSOR_READ_ERR_PARAMETERS 3
#define IPMI_SENSOR_READ_ERR_OUT_OF_MEMORY 4
#define IPMI_SENSOR_READ_ERR_SENSOR_READING_UNAVAILABLE 5
#define IPMI_SENSOR_READ_ERR_SENSOR_SCANNING_DISABLED 6
#define IPMI_SENSOR_READ_ERR_SENSOR_NON_ANALOG 7
#define IPMI_SENSOR_READ_ERR_SENSOR_NON_LINEAR 8
#define IPMI_SENSOR_READ_ERR_SENSOR_NOT_OWNED_BY_BMC 9
#define IPMI_SENSOR_READ_ERR_SENSOR_IS_SYSTEM_SOFTWARE 10
#define IPMI_SENSOR_READ_ERR_SENSOR_CANNOT_BE_BRIDGED 11
#define IPMI_SENSOR_READ_ERR_SENSOR_READING_CANNOT_BE_OBTAINED 12
#define IPMI_SENSOR_READ_ERR_NODE_BUSY 13
#define IPMI_SENSOR_READ_ERR_INVALID_SDR_RECORD_TYPE 14
#define IPMI_SENSOR_READ_ERR_SDR_ENTRY_ERROR 15
#define IPMI_SENSOR_READ_ERR_IPMI_ERROR 16
#define IPMI_SENSOR_READ_ERR_SYSTEM_ERROR 17
#define IPMI_SENSOR_READ_ERR_OVERFLOW 18
#define IPMI_SENSOR_READ_ERR_INTERNAL_ERROR 19
#define IPMI_SENSOR_READ_ERR_ERRNUMRANGE 20
#define IPMI_SENSOR_READ_FLAGS_DEFAULT 0x0000
#define IPMI_SENSOR_READ_FLAGS_BRIDGE_SENSORS 0x0001
#define IPMI_SENSOR_READ_FLAGS_DISCRETE_READING 0x0002
#define IPMI_SENSOR_READ_FLAGS_IGNORE_SCANNING_DISABLED 0x0004
#define IPMI_SENSOR_READ_FLAGS_ASSUME_BMC_OWNER 0x0008
typedef struct ipmi_sensor_read_ctx *ipmi_sensor_read_ctx_t;
/* Sensor Read Context Functions
* - ipmi_ctx assumes ipmi opened and ready to go
*/
ipmi_sensor_read_ctx_t ipmi_sensor_read_ctx_create (ipmi_ctx_t ipmi_ctx);
void ipmi_sensor_read_ctx_destroy (ipmi_sensor_read_ctx_t ctx);
int ipmi_sensor_read_ctx_errnum (ipmi_sensor_read_ctx_t ctx);
char * ipmi_sensor_read_ctx_strerror (int errnum);
char * ipmi_sensor_read_ctx_errormsg (ipmi_sensor_read_ctx_t ctx);
/* Sensor read flag functions */
int ipmi_sensor_read_ctx_get_flags (ipmi_sensor_read_ctx_t ctx, unsigned int *flags);
int ipmi_sensor_read_ctx_set_flags (ipmi_sensor_read_ctx_t ctx, unsigned int flags);
/*
* return 1 - reading a success (although for some sensor types, a
* reading may not be returned. For example with discrete sensors, a
* reading is not returned but a sensor_event_bitmask is.)
*
* return 0 - cannot obtain reading, but sensor_event_bitmask still
* returned. This is most common because the sensor cannot be
* interpreted, b/c (for example) it is a non-analog or non-linear
* sensor. errnum will be set appropriately.
*
* return (-1) - error, neither a reading nor sensor_event_bitmask can
* be returned.
*
* if reading returned, must be free'd by caller
*
* 'sensor_reading_raw' is optional and need not be specified.
*
* under return of 0 or 1, the sensor_reading_raw will be filled with the raw reading
*
* Notes:
*
* shared_sensor_number_offset used for sensor record sharing in compact
* records. If not used or not available, must be set to 0.
*/
int ipmi_sensor_read (ipmi_sensor_read_ctx_t ctx,
const void *sdr_record,
unsigned int sdr_record_len,
uint8_t shared_sensor_number_offset,
uint8_t *sensor_reading_raw,
double **sensor_reading,
uint16_t *sensor_event_bitmask);
#ifdef __cplusplus
}
#endif
#endif /* IPMI_SENSOR_READ_H */