xref: /freebsd/sys/contrib/openzfs/cmd/zpool/zpool.d/fault_led (revision 19fae0f66023a97a9b464b3beeeabb2081f575b3)
1#!/bin/sh
2#
3# Print SCSI Enclosure Services (SES) info. The output is dependent on the name
4# of the script/symlink used to call it.
5#
6helpstr="
7enc:		Show disk enclosure w:x:y:z value.
8slot:		Show disk slot number as reported by the enclosure.
9encdev:		Show /dev/sg* device associated with the enclosure disk slot.
10fault_led:	Show value of the disk enclosure slot fault LED.
11locate_led:	Show value of the disk enclosure slot locate LED.
12ses:		Show disk's enc, enc device, slot, and fault/locate LED values."
13
14script="${0##*/}"
15if [ "$1" = "-h" ] ; then
16	echo "$helpstr" | grep "$script:" | tr -s '\t' | cut -f 2-
17	exit
18fi
19
20if [ "$script" = "ses" ] ; then
21	scripts='enc encdev slot fault_led locate_led'
22else
23	scripts="$script"
24fi
25
26for i in $scripts ; do
27	# shellcheck disable=SC2154
28	if [ -z "$VDEV_ENC_SYSFS_PATH" ] ; then
29		echo "$i="
30		continue
31	fi
32
33	val=""
34	case $i in
35	enc)
36		val=$(ls "$VDEV_ENC_SYSFS_PATH/../../" 2>/dev/null)
37		;;
38	slot)
39		val=$(cat "$VDEV_ENC_SYSFS_PATH/slot" 2>/dev/null)
40		;;
41	encdev)
42		val=$(ls "$VDEV_ENC_SYSFS_PATH/../device/scsi_generic" 2>/dev/null)
43		;;
44	fault_led)
45		# JBODs fault LED is called 'fault', NVMe fault LED is called
46		# 'attention'.
47		if [ -f "$VDEV_ENC_SYSFS_PATH/fault" ] ; then
48			val=$(cat "$VDEV_ENC_SYSFS_PATH/fault" 2>/dev/null)
49		elif [ -f "$VDEV_ENC_SYSFS_PATH/attention" ] ; then
50			val=$(cat "$VDEV_ENC_SYSFS_PATH/attention" 2>/dev/null)
51		fi
52		;;
53	locate_led)
54		val=$(cat "$VDEV_ENC_SYSFS_PATH/locate" 2>/dev/null)
55		;;
56	*)
57		val=invalid
58		;;
59	esac
60	echo "$i=$val"
61done
62