#!/bin/bash

if [ "$(uname -s|tr 'A-Z' 'a-z')" = "linux" ];then
   str_dir_name=`dirname $0`
   . $str_dir_name/xcatlib.sh
fi

#---------------------------------------------------------------------------
#=head1  enablecapi
#=head2  enable CAPI and tunnel Atomics for compute nodes
#        at least MOFED 4.3.1 has to be installed and only support on ConnectX5
#
#        updatenode <node> enablecapi
#
#---------------------------------------------------------------------------

function logerr {
    echo "$@"
    logger -t xcat -p local4.err $@
}


#check if mlnx ofed commands are installed
COMMANDS="ofed_info mst mlxconfig"
for CMD in ${COMMANDS}; do
    RC=`command -v ${CMD} >> /dev/nul 2>&1; echo $?`
    if [[ ${RC} != 0 ]]; then
        ERRMSG="Command: ${CMD} is not found, unable to run the scripts"
        logerr $ERRMSG
        exit 1
    fi
done

#mofed version at least 4.3-1
version=`/usr/bin/ofed_info -n`
majorversion=`echo $version | cut -d- -f1`
minorversion=`echo $version | cut -d- -f2`
if (( $(echo "$majorversion < 4.3" |bc -l) )); then
   ERRMSG="Current MOFED version is $version and needs to be at least 4.3-1"
   logerr $ERRMSG
   exit 1
fi
if (( $(echo "$majorversion == 4.3" |bc -l) )); then
   minor=`echo $minorversion | cut -d. -f1`
   if (( $(echo "$minor < 1") )); then
       ERRMSG="Current MOFED version is $version and needs to be at least 4.3-1"
       logerr $ERRMSG
       exit 1
   fi
fi

service mst restart >/dev/null 2>&1
if [ "$?" != "0" ] ;then
    ERRMSG "[Error] failed to start mst."
    logerr $ERRMSG
    exit 1
fi

reboot_flag=0

for x in `ls /dev/mst/mt*`
do
    mlxconfig -y -d $x q | grep 'ConnectX5' >/dev/null 2>&1
    if [ $? == 0 ]; then
        mlxconfig -y -d $x set ADVANCED_PCI_SETTINGS=true >/dev/null 2>&1
        mlxconfig -y -d $x set IBM_CAPI_EN=true  >/dev/null 2>&1
        mlxconfig -y -d $x set IBM_TUNNELED_ATOMIC_EN=true  >/dev/null 2>&1
        mlxconfig -y -d $x set IBM_AS_NOTIFY_EN=true  >/dev/null 2>&1
        echo "Apply new Configuration for $x:"
        mlxconfig -y -d $x q | grep  'IBM'
        reboot_flag=1
    fi
done

if [[ $reboot_flag == 0 ]]; then
    echo "Didn't find ConnectX5 Devices, will not apply the new configuration"
else
    echo "******************************************************"
    echo "     New configuration applied"
    echo "     Please reboot system to load new configurations"
    echo "******************************************************"
fi

exit 0

