From 5f187bd2bfb268838a22c9092c41cfc8123313c2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marek=20Marczykowski-G=C3=B3recki?=
 <marmarek@invisiblethingslab.com>
Date: Thu, 15 Jun 2017 00:21:13 +0200
Subject: [PATCH] Force maxmem=memory for HVM with PCI devices

Xen do not support other cases at all ("PCI device assignment for HVM
guest failed due to PoD enabled", PoD means "populate on demand").
---
 templates/libvirt/xen.xml | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/templates/libvirt/xen.xml b/templates/libvirt/xen.xml
index 21914d5b..393f670d 100644
--- a/templates/libvirt/xen.xml
+++ b/templates/libvirt/xen.xml
@@ -2,7 +2,11 @@
     {% block basic %}
         <name>{{ vm.name }}</name>
         <uuid>{{ vm.uuid }}</uuid>
-        <memory unit="MiB">{{ vm.maxmem }}</memory>
+        {% if vm.hvm and vm.devices['pci'].persistent() | list %}
+            <memory unit="MiB">{{ vm.memory }}</memory>
+        {% else %}
+            <memory unit="MiB">{{ vm.maxmem }}</memory>
+        {% endif %}
         <currentMemory unit="MiB">{{ vm.memory }}</currentMemory>
         <vcpu placement="static">{{ vm.vcpus }}</vcpu>
     {% endblock %}