[EDGEPOD-186] Add Ansible playbook for Aether Edge
Change-Id: I71d73a5a4fdf7e5ccf12df924597af6ab90a68b4
diff --git a/aether-playbook/roles/sriov-dpdk/templates/usr/bin/sriov.sh.j2 b/aether-playbook/roles/sriov-dpdk/templates/usr/bin/sriov.sh.j2
new file mode 100644
index 0000000..6b2a8e6
--- /dev/null
+++ b/aether-playbook/roles/sriov-dpdk/templates/usr/bin/sriov.sh.j2
@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Copyright (c) 2019 Intel 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.
+
+# copied from https://github.com/clearlinux/cloud-native-setup/blob/master/clr-k8s-examples/9-multi-network/systemd/sriov.sh
+
+set -o errexit
+set -o pipefail
+set -o nounset
+set -x
+
+setup_pf() {
+ local pf=$1
+ local num_vfs
+
+ echo "Resetting PF $pf"
+ echo 0 | tee /sys/class/net/"$pf"/device/sriov_numvfs
+ num_vfs=$(cat /sys/class/net/"$pf"/device/sriov_totalvfs)
+ echo "Enabling $num_vfs VFs for $pf"
+ echo "$num_vfs" | tee /sys/class/net/"$pf"/device/sriov_numvfs
+ ip link set "$pf" up
+ sleep 1
+}
+
+vfio_bind() {
+ local pf=$1
+ local pfpci
+ local num_vfs
+
+ pfpci=$(readlink /sys/devices/pci*/*/*/net/"$pf"/device | awk '{print substr($1,10)}')
+ num_vfs=$(cat /sys/class/net/"$pf"/device/sriov_numvfs)
+
+ local vfpci
+ local mac
+ for ((idx = 0; idx < num_vfs; idx++)); do
+ #Some drivers does not support state change of VF
+ #ip link set dev $pf vf $idx state enable
+
+ local vfn="virtfn$idx"
+ # shellcheck disable=SC2012
+ vfpci=$(ls -l /sys/devices/pci*/*/"$pfpci" | awk -v vfn=$vfn 'vfn==$9 {print substr($11,4)}')
+ # Capture and set MAC of the VF before unbinding from linux, for later use in CNI
+ mac=$(cat /sys/bus/pci*/*/"$vfpci"/net/*/address)
+ ip link set dev "$pf" vf $idx mac "$mac"
+ # Bind VF to vfio-pci
+ echo "$vfpci" >/sys/bus/pci*/*/"$vfpci"/driver/unbind
+ echo "vfio-pci" >/sys/devices/pci*/*/"$vfpci"/driver_override
+ echo "$vfpci" >/sys/bus/pci/drivers/vfio-pci/bind
+ done
+}
+
+for pf in "$@"; do
+ setup_pf "$pf"
+ vfio_bind "$pf"
+done