#
#  Licensed to the Apache Software Foundation (ASF) under one or more
#  contributor license agreements.  See the NOTICE file distributed with
#  this work for additional information regarding copyright ownership.
#  The ASF licenses this file to You 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.
#
---
  - name: "Download DPDK version {{ dpdk_version }}"
    unarchive:
      src: "{{ dpdk_src_url }}"
      dest: "/root"
      creates: "{{ dpdk_sdk }}"
      copy: no

  - name: "Configure DPDK for the target environment: {{ dpdk_target }}"
    shell: "make config T={{ dpdk_target }} DESTDIR={{ dpdk_home }}"
    args:
      chdir: "{{ dpdk_sdk }}"
      creates: "{{ dpdk_home }}"

  - name: "Turn on debug flags"
    lineinfile:
      dest: "{{ dpdk_sdk }}/config/common_linuxapp"
      regexp: 'DEBUG=n'
      line: 'DEBUG=y'
    tags:
      - debug

  - name: "Build DPDK for the target environment: {{ dpdk_target }}"
    shell: "make install T={{ dpdk_target }} DESTDIR={{ dpdk_home }} EXTRA_CFLAGS={{ extra_cflags }}"
    args:
      chdir: "{{ dpdk_sdk }}"
      creates: "{{ dpdk_home }}"

  - name: Load kernel modules to enable userspace IO
    shell: "{{ item }}"
    with_items:
      - modprobe uio_pci_generic
      - modprobe vfio-pci

  - name: Bind the device to the loaded kernel module(s)
    shell: "{{ dpdk_home }}/sbin/dpdk-devbind --force --bind=uio_pci_generic {{ item }}"
    with_items: "{{ dpdk_device }}"

  - name: Set useful environment variables
    lineinfile: "dest=/root/.bash_profile line={{ item }}"
    with_items:
      - "export RTE_SDK={{ dpdk_sdk }}"
      - "export RTE_TARGET={{ dpdk_target }}"