---
# sriov tasks/main.yml
#
# SPDX-FileCopyrightText: © 2021 Open Networking Foundation <support@opennetworking.org>
# SPDX-License-Identifier: Apache-2.0

- name: include OS-specific vars
  include_vars: "{{ ansible_os_family }}.yml"

- name: include OS-specific tasks
  include_tasks: "{{ ansible_os_family }}.yml"

- name: Load vfio_pci module to the kernel
  modprobe:
    name: vfio_pci
    state: present
  when: ansible_kernel is version('5.4','<')

- name: Set the vfio_pci module to load on boot
  lineinfile:
    dest: /etc/modules-load.d/vfio_pci.conf
    create: true
    regexp: "^vfio_pci"
    line: "vfio_pci"
    mode: 0644
  when: ansible_kernel is version('5.4','<')

- name: Create sriov system service
  template:
    src: "{{ item.src }}"
    dest: "{{ item.dest }}"
    mode: "{{ item.mode }}"
    owner: root
    group: root
  loop:
    - {src: "sriov", dest: "/etc/default/sriov", mode: 644}
    - {src: "sriov.sh.j2", dest: "/usr/local/bin/sriov.sh", mode: "a+x"}
    - {
      src: "sriov.service.j2",
      dest: "/etc/systemd/system/sriov.service",
      mode: 644,
    }
  notify: enable sriov.service

- name: Flush handlers
  meta: flush_handlers

- name: Add kernel boot parameters to the grub
  lineinfile:
    dest: /etc/default/grub
    regexp: '^GRUB_CMDLINE_LINUX="(?!.* {{ item.regex }})(.*)"'
    line: 'GRUB_CMDLINE_LINUX="\1 {{ item.context }}"'
    state: present
    backrefs: true
  loop:
    - {regex: "intel_iommu=", context: "intel_iommu=on"}
    - {regex: "transparent_hugepage=", context: "transparent_hugepage=never"}
    - {regex: "default_hugepagesz=", context: "default_hugepagesz=1G"}
    - {
      regex: "hugepagesz=1G",
      context: "hugepagesz=1G hugepages={{ sriov_1g_hugepages }}",
    }
  notify: update grub

- name: Install qat driver and configure sriov vfs
  when: sriov_qat_enabled
  include_tasks: qat.yml