xref: /openbmc/phosphor-hwmon/msl/max31785-msl (revision 8df95be4)
1#!/bin/bash
2#
3# Copyright © 2017 IBM Corporation
4#
5# Licensed under the Apache License, Version 2.0 (the "License");
6# you may not use this file except in compliance with the License.
7# You may obtain a copy of the License at
8#
9#     http://www.apache.org/licenses/LICENSE-2.0
10#
11# Unless required by applicable law or agreed to in writing, software
12# distributed under the License is distributed on an "AS IS" BASIS,
13# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14# See the License for the specific language governing permissions and
15# limitations under the License.
16#
17
18# Check a max31785 firmware revision and set the MSL property
19# on the specified inventory items.
20
21set -e
22
23function main()
24{
25    usage="Usage: $(basename "$0") -p PATH... -b BUS_NUMBER -r REVISION"
26    while getopts p:b:r:h key; do
27        case $key in
28            p)
29                paths=$OPTARG
30                ;;
31            b)
32                bus=$OPTARG
33                ;;
34            r)
35                revision=$OPTARG
36                ;;
37            h)
38                echo "$usage" >&2
39                exit
40                ;;
41            \?)
42                printf "\nUnrecognized option\n"
43                echo "$usage" >&2
44                exit 1
45                ;;
46        esac
47    done
48
49    if [ -z "$paths" ] || [ -z "$bus" ] || [ -z "$revision" ]; then
50        echo "Missing option" >&2
51        echo "$usage" >&2
52        exit 1
53    fi
54
55    local state="false"
56    local actual
57    local dbus
58
59    dbus=$(mapper get-service /xyz/openbmc_project/inventory)
60    actual=$(i2cget -f -y "$bus" 0x52 0x9b w)
61
62    if (( actual >= revision )); then
63        state="true"
64    fi
65
66    for path in $paths; do
67        busctl call "$dbus" /xyz/openbmc_project/inventory \
68            xyz.openbmc_project.Inventory.Manager Notify 'a{oa{sa{sv}}}' 1 \
69            "$path" 1 \
70            xyz.openbmc_project.Inventory.Decorator.MeetsMinimumShipLevel \
71            1 MeetsMinimumShipLevel b "$state"
72    done
73}
74
75main "$@"
76