From a5dc813bab19dffe02dadfb58c19b455df199a08 Mon Sep 17 00:00:00 2001
From: "Suren A. Chilingaryan" <csa@suren.me>
Date: Mon, 13 Aug 2018 21:33:02 +0200
Subject: Prevent IB from crashing Fedora systems, mount Ands shared NFS
 storage, support development files on CentOS

---
 roles/ib/handlers/main.yml          | 16 ++++++++++++++++
 roles/ib/tasks/main.yml             | 16 ++++++++++++++++
 roles/ib/templates/00-ibnm.rules.j2 |  2 ++
 roles/ib/templates/mlx.conf.j2      |  1 +
 4 files changed, 35 insertions(+)
 create mode 100644 roles/ib/handlers/main.yml
 create mode 100644 roles/ib/tasks/main.yml
 create mode 100644 roles/ib/templates/00-ibnm.rules.j2
 create mode 100644 roles/ib/templates/mlx.conf.j2

(limited to 'roles/ib')

diff --git a/roles/ib/handlers/main.yml b/roles/ib/handlers/main.yml
new file mode 100644
index 0000000..75661b9
--- /dev/null
+++ b/roles/ib/handlers/main.yml
@@ -0,0 +1,16 @@
+---
+- name: Unload mlx4_ib
+  modprobe: name="mlx4_ib" state="absent"
+  listen: mlx-reload
+
+- name: Unload mlx4_en
+  modprobe: name="mlx4_en" state="absent"
+  listen: mlx-reload
+
+- name: Unload mlx4_core
+  modprobe: name="mlx4_core" state="absent"
+  listen: mlx-reload
+
+- name: Load mlx4_en
+  modprobe: name="mlx4_en" state="present"
+  listen: mlx-reload
diff --git a/roles/ib/tasks/main.yml b/roles/ib/tasks/main.yml
new file mode 100644
index 0000000..45612ec
--- /dev/null
+++ b/roles/ib/tasks/main.yml
@@ -0,0 +1,16 @@
+---
+- name: Find infiniband interface files
+  find: paths="/etc/sysconfig/network-scripts/" patterns="ifcfg-ib*"
+  register: result
+
+- name: Remove infiniband files from sysconfig
+  file: path="{{ item.path }}" state="absent"
+  with_items: "{{ result.files }}"
+
+- name: Set udev rules
+  template: src="00-ibnm.rules.j2" dest="/etc/udev/rules.d/00-ibnm.rules" owner="root" group="root" mode="0644"
+
+- name: Set mellanox options
+  template: src="mlx.conf.j2" dest="/etc/modprobe.d/mlx.conf" owner="root" group="root" mode="0644"
+  notify: mlx-reload  
+
diff --git a/roles/ib/templates/00-ibnm.rules.j2 b/roles/ib/templates/00-ibnm.rules.j2
new file mode 100644
index 0000000..7025eab
--- /dev/null
+++ b/roles/ib/templates/00-ibnm.rules.j2
@@ -0,0 +1,2 @@
+ENV{INTERFACE}=="ib[0-9]*" ENV{NM_UNMANAGED}="1"
+ENV{ID_NET_DRIVER}=="mlx4_*", ENV{NM_UNMANAGED}="1"
diff --git a/roles/ib/templates/mlx.conf.j2 b/roles/ib/templates/mlx.conf.j2
new file mode 100644
index 0000000..df8a3ab
--- /dev/null
+++ b/roles/ib/templates/mlx.conf.j2
@@ -0,0 +1 @@
+options mlx4_core log_num_mgm_entry_size=-1
-- 
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