usr/src/lib/libipmi/common/ipmi_sensor.c

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
  23  * Use is subject to license terms.
  24  */
  25 /*
  26  * Copyright (c) 2018, Joyent, Inc.
  27  */
  28
  29 #include <libipmi.h>
  30 #include <string.h>
  31
  32 #include "ipmi_impl.h"
  33
  34 ipmi_sensor_reading_t *
  35 ipmi_get_sensor_reading(ipmi_handle_t *ihp, uint8_t id)
  36 {
  37         ipmi_cmd_t cmd, *resp;
  38         ipmi_sensor_reading_t *srp;
  39
  40         cmd.ic_netfn = IPMI_NETFN_SE;
  41         cmd.ic_cmd = IPMI_CMD_GET_SENSOR_READING;
  42         cmd.ic_lun = 0;
  43         cmd.ic_data = &id;
  44         cmd.ic_dlen = sizeof (id);
  45
  46         if ((resp = ipmi_send(ihp, &cmd)) == NULL)
  47                 return (NULL);
  48
  49         /*
  50          * The upper half of the state field is optional, so if it's not
  51          * present, then set it to zero.  We also need to convert to the
  52          * native endianness.
  53          */
  54         if (resp->ic_dlen < sizeof (ipmi_sensor_reading_t) - sizeof (uint8_t)) {
  55                 (void) ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL);
  56                 return (NULL);
  57         }
  58         srp = resp->ic_data;
  59
  60         if (resp->ic_dlen < sizeof (ipmi_sensor_reading_t))
  61                 (void) memset((char *)srp + resp->ic_dlen, '\0',
  62                     sizeof (ipmi_sensor_reading_t) - resp->ic_dlen);
  63
  64         srp->isr_state = LE_IN16(&srp->isr_state);
  65         return (srp);
  66 }
  67
  68 int
  69 ipmi_set_sensor_reading(ipmi_handle_t *ihp, ipmi_set_sensor_reading_t *req)
  70 {
  71         ipmi_set_sensor_reading_t realreq;
  72         ipmi_cmd_t cmd, *resp;
  73         uint16_t tmp;
  74
  75         /*
  76          * Convert states to little endian.
  77          */
  78         (void) memcpy(&realreq, req, sizeof (realreq));
  79
  80         tmp = LE_IN16(&realreq.iss_assert_state);
  81         (void) memcpy(&realreq.iss_assert_state, &tmp, sizeof (tmp));
  82         tmp = LE_IN16(&realreq.iss_deassert_state);
  83         (void) memcpy(&realreq.iss_deassert_state, &tmp, sizeof (tmp));
  84
  85         cmd.ic_netfn = IPMI_NETFN_SE;
  86         cmd.ic_cmd = IPMI_CMD_SET_SENSOR_READING;
  87         cmd.ic_lun = 0;
  88         cmd.ic_data = &realreq;
  89         cmd.ic_dlen = sizeof (realreq);
  90
  91         if ((resp = ipmi_send(ihp, &cmd)) == NULL)
  92                 return (-1);
  93
  94         if (resp->ic_dlen != 0)
  95                 return (ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL));
  96
  97         return (0);
  98 }
  99
 100 int
 101 ipmi_get_sensor_thresholds(ipmi_handle_t *ihp, ipmi_sensor_thresholds_t *thresh,
 102     uint8_t id)
 103 {
 104         ipmi_cmd_t cmd, *resp;
 105
 106         cmd.ic_netfn = IPMI_NETFN_SE;
 107         cmd.ic_cmd = IPMI_CMD_GET_SENSOR_THRESHOLDS;
 108         cmd.ic_lun = 0;
 109         cmd.ic_data = &id;
 110         cmd.ic_dlen = sizeof (id);
 111
 112         if ((resp = ipmi_send(ihp, &cmd)) == NULL)
 113                 return (-1);
 114
 115         if (resp->ic_dlen < sizeof (ipmi_sensor_thresholds_t)) {
 116                 return (ipmi_set_error(ihp, EIPMI_BAD_RESPONSE_LENGTH, NULL));
 117         }
 118
 119         (void) memcpy(thresh, resp->ic_data, sizeof (ipmi_sensor_thresholds_t));
 120
 121         return (0);
 122 }