diff options
Diffstat (limited to 'ansible/roles/enable_iommu_on_boot')
-rw-r--r-- | ansible/roles/enable_iommu_on_boot/tasks/main.yml | 79 | ||||
-rw-r--r-- | ansible/roles/enable_iommu_on_boot/tasks/manual_modify_grub.yml | 32 | ||||
-rw-r--r-- | ansible/roles/enable_iommu_on_boot/vars/main.yml | 19 |
3 files changed, 130 insertions, 0 deletions
diff --git a/ansible/roles/enable_iommu_on_boot/tasks/main.yml b/ansible/roles/enable_iommu_on_boot/tasks/main.yml new file mode 100644 index 000000000..2772a5d52 --- /dev/null +++ b/ansible/roles/enable_iommu_on_boot/tasks/main.yml @@ -0,0 +1,79 @@ +# 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 diff --git a/ansible/roles/enable_iommu_on_boot/tasks/manual_modify_grub.yml b/ansible/roles/enable_iommu_on_boot/tasks/manual_modify_grub.yml new file mode 100644 index 000000000..e0c880912 --- /dev/null +++ b/ansible/roles/enable_iommu_on_boot/tasks/manual_modify_grub.yml @@ -0,0 +1,32 @@ +# 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: check if iommu is set by this role in /boot grub.cfg files + lineinfile: + path: "{{ item.path }}" + regexp: '{{ iommu_boot_params }}' + line: '{{ iommu_boot_params }}' + state: absent + check_mode: yes + register: is_mine_iommu_boot_grub + ignore_errors: True + +- name: added iommu to grub manually because we can't run update-grub in chroot + replace: + path: "{{ item.path }}" + regexp: '(.*linux\s+/boot/vmlinuz.*)$' + replace: '\1{{ iommu_boot_params }}' + when: not is_mine_iommu_boot_grub.changed + +- debug: var=ansible_kernel diff --git a/ansible/roles/enable_iommu_on_boot/vars/main.yml b/ansible/roles/enable_iommu_on_boot/vars/main.yml new file mode 100644 index 000000000..d2575ffd6 --- /dev/null +++ b/ansible/roles/enable_iommu_on_boot/vars/main.yml @@ -0,0 +1,19 @@ +# 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. +--- +grub_file: "/etc/default/grub" +iommu_help_string: ' # added by Yardstick ansible iommu role' +update_grub: + Debian: "update-grub2" + RedHat: "grub2-mkconfig -o /boot/grub2/grub.cfg" |