mirror_zfs/cmd/zpool/zpool.d/ses
Damian Szuberski c1d3be19d7
Add ShellCheck's --enable=all inside cmd/
The only exception is `cmd/vdev_id/vdev_id` which might be a subject of
refactoring (see #12084)

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Signed-off-by: szubersk <szuberskidamian@gmail.com>
Closes #12912
2022-01-06 16:07:54 -08:00

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#!/bin/sh
#
# Print SCSI Enclosure Services (SES) info. The output is dependent on the name
# of the script/symlink used to call it.
#
helpstr="
enc: Show disk enclosure w:x:y:z value.
slot: Show disk slot number as reported by the enclosure.
encdev: Show /dev/sg* device associated with the enclosure disk slot.
fault_led: Show value of the disk enclosure slot fault LED.
locate_led: Show value of the disk enclosure slot locate LED.
ses: Show disk's enc, enc device, slot, and fault/locate LED values."
script="${0##*/}"
if [ "$1" = "-h" ] ; then
echo "$helpstr" | grep "$script:" | tr -s '\t' | cut -f 2-
exit
fi
if [ "$script" = "ses" ] ; then
scripts='enc encdev slot fault_led locate_led'
else
scripts="$script"
fi
for i in $scripts ; do
# shellcheck disable=SC2154
if [ -z "$VDEV_ENC_SYSFS_PATH" ] ; then
echo "$i="
continue
fi
val=""
case $i in
enc)
val=$(ls "$VDEV_ENC_SYSFS_PATH/../../" 2>/dev/null)
;;
slot)
val=$(cat "$VDEV_ENC_SYSFS_PATH/slot" 2>/dev/null)
;;
encdev)
val=$(ls "$VDEV_ENC_SYSFS_PATH/../device/scsi_generic" 2>/dev/null)
;;
fault_led)
# JBODs fault LED is called 'fault', NVMe fault LED is called
# 'attention'.
if [ -f "$VDEV_ENC_SYSFS_PATH/fault" ] ; then
val=$(cat "$VDEV_ENC_SYSFS_PATH/fault" 2>/dev/null)
elif [ -f "$VDEV_ENC_SYSFS_PATH/attention" ] ; then
val=$(cat "$VDEV_ENC_SYSFS_PATH/attention" 2>/dev/null)
fi
;;
locate_led)
val=$(cat "$VDEV_ENC_SYSFS_PATH/locate" 2>/dev/null)
;;
*)
val=invalid
;;
esac
echo "$i=$val"
done