1 files changed, 31 insertions, 0 deletions
diff --git a/python/qemu/accel.py b/python/qemu/accel.py
new file mode 100644
index 0000000..cbeac10
--- /dev/null
+++ b/python/qemu/accel.py
@@ -0,0 +1,31 @@
+"""
+QEMU accel module:
+
+This module provides utilities for discover and check the availability of
+accelerators.
+"""
+# Copyright (C) 2015-2016 Red Hat Inc.
+# Copyright (C) 2012 IBM Corp.
+#
+# Authors:
+#  Fam Zheng <famz@redhat.com>
+#
+# This work is licensed under the terms of the GNU GPL, version 2.  See
+# the COPYING file in the top-level directory.
+#
+
+import os
+
+# Mapping host architecture to any additional architectures it can
+# support which often includes its 32 bit cousin.
+ADDITIONAL_ARCHES = {
+    "x86_64" : "i386",
+    "aarch64" : "armhf"
+}
+
+def kvm_available(target_arch=None):
+    host_arch = os.uname()[4]
+    if target_arch and target_arch != host_arch:
+        if target_arch != ADDITIONAL_ARCHES.get(host_arch):
+            return False
+    return os.access("/dev/kvm", os.R_OK | os.W_OK)