msl: Add a max31785 MSL checking script
Add a script that checks the firmware revision of a max31785 hwmon
device and populates the MeetsMinimumShipLevel interface of the
specified inventory items.
Change-Id: If3dd527d2815edffd3b8b425a15617290016769b
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
diff --git a/msl/max31785-msl b/msl/max31785-msl
new file mode 100644
index 0000000..b3673e6
--- /dev/null
+++ b/msl/max31785-msl
@@ -0,0 +1,75 @@
+#!/bin/sh
+#
+# Copyright © 2017 IBM Corporation
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+# http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+# Check a max31785 firmware revision and set the MSL property
+# on the specified inventory items.
+
+set -e
+
+main()
+{
+ usage="Usage: $(basename $0) -p PATH... -b BUS_NUMBER -r REVISION"
+ while getopts p:b:r:h key; do
+ case $key in
+ p)
+ paths=$OPTARG
+ ;;
+ b)
+ bus=$OPTARG
+ ;;
+ r)
+ revision=$OPTARG
+ ;;
+ h)
+ echo "$usage" >&2
+ exit
+ ;;
+ \?)
+ echo -e \\n"Unrecognized option"
+ echo "$usage" >&2
+ exit 1
+ ;;
+ esac
+ done
+
+ if [ -z "$paths" ] || [ -z "$bus" ] || [ -z "$revision" ]; then
+ echo "Missing option" >&2
+ echo "$usage" >&2
+ exit 1
+ fi
+
+ local state="false"
+ local actual
+ local dbus
+
+ dbus=$(mapper get-service /xyz/openbmc_project/inventory)
+ actual=$(i2cget -f -y $bus 0x52 0x9b w)
+
+ if (( actual >= revision )); then
+ state="true"
+ fi
+
+ for path in $paths; do
+ busctl call $dbus /xyz/openbmc_project/inventory \
+ xyz.openbmc_project.Inventory.Manager Notify 'a{oa{sa{sv}}}' 1 \
+ $path 1 \
+ xyz.openbmc_project.Inventory.Decorator.MeetsMinimumShipLevel \
+ 1 MeetsMinimumShipLevel b $state
+ done
+}
+
+main "$@"