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# Copyright (c) 2017-2018 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.
---
- name: Set iommu_boot_params for Intel
set_fact:
iommu_boot_params: ' intel_iommu=on iommu=pt'
when: hostvars[inventory_hostname]['ansible_system_vendor'] == "Intel Corporation"
- name: Set iommu_boot_params for AMD
set_fact:
iommu_boot_params: ' amd_iommu=on iommu=pt'
when: hostvars[inventory_hostname]['ansible_system_vendor'] == "AuthenticAMD"
- block:
- name: Define grub string for IOMMU
set_fact:
enable_iommu: 'GRUB_CMDLINE_LINUX="$GRUB_CMDLINE_LINUX{{ iommu_boot_params }}'
- name: check if iommu is set by this role in {{ grub_file}}
lineinfile:
path: "{{ grub_file}}"
regexp: '{{ iommu_help_string }}'
line: '{{ iommu_help_string }}'
state: absent
check_mode: yes
register: is_nsb_iommu_role
ignore_errors: True
- name: Check if IOMMU is set by someone else
lineinfile:
path: "{{ grub_file}}"
regexp: "_iommu="
line: '{{ iommu_help_string }}'
state: absent
check_mode: yes
register: is_iommu
ignore_errors: True
- name: Send info that IOMMU is configured by someone else
debug:
msg: "INFO: NOT modified, IOMMU is already configured by someone."
when:
- not is_nsb_iommu_role.changed
- is_iommu.changed
- block:
- name: Add IOMMU when it is not set
lineinfile:
path: "{{ grub_file }}"
regexp: "{{ iommu_help_string }}"
line: '{{ enable_iommu }}" {{ iommu_help_string }}'
- name: find boot grub.cfg
find:
paths: /boot
file_type: file
patterns: 'grub*.cfg'
recurse: yes
register: grub_files
- include: manual_modify_grub.yml
# only tested on Ubuntu, kernel line is probably different on other distros
with_items: "{{ grub_files.files }}"
when:
- ansible_distribution == "Ubuntu"
- not is_nsb_iommu_role.changed
- not is_iommu.changed
when: iommu_boot_params is defined
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