/usr/sbin/ibhosts is in infiniband-diags 1.6.1-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60  | #!/bin/bash
IBPATH=${IBPATH:-/usr/local/sbin}
usage() {
	echo Usage: `basename $0` "[-h] [<topology-file> | -C ca_name" \
	    "-P ca_port -t timeout_ms]"
	exit -1
}
topofile=""
ca_info=""
while [ "$1" ]; do
	case $1 in
	-h | --help)
		usage
		;;
	-P | --Port | -C | --Ca | -t | --timeout)
		case $2 in
		-*)
			usage
			;;
		esac
		if [ x$2 = x ] ; then
			usage
		fi
		ca_info="$ca_info $1 $2"
		shift
		;;
	-*)
		usage
		;;
	*)
		if [ "$topofile" ]; then
			usage
		fi
		topofile="$1"
		;;
	esac
	shift
done
if [ "$topofile" ]; then
	netcmd="cat $topofile"
else
	netcmd="$IBPATH/ibnetdiscover $ca_info"
fi
text="`eval $netcmd`"
rv=$?
echo "$text" | awk '
/^Ca/	{print $1 "\t: 0x" substr($3, 4, 16) " ports " $2 " "\
		substr($0, match($0, "#[ \t]*")+RLENGTH)}
/^ib/	{print $0; next}
/ibpanic:/	{print $0}
/ibwarn:/	{print $0}
/iberror:/	{print $0}
'
exit $rv
 |