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-rw-r--r--tools/python/xen/xend/XendConfig.py6
-rw-r--r--tools/python/xen/xend/server/BlktapController.py8
2 files changed, 14 insertions, 0 deletions
diff --git a/tools/python/xen/xend/XendConfig.py b/tools/python/xen/xend/XendConfig.py
index 2d69c2487f..6db58f52d9 100644
--- a/tools/python/xen/xend/XendConfig.py
+++ b/tools/python/xen/xend/XendConfig.py
@@ -28,6 +28,7 @@ from xen.xend.XendError import VmError
from xen.xend.XendDevices import XendDevices
from xen.xend.PrettyPrint import prettyprintstring
from xen.xend.XendConstants import DOM_STATE_HALTED
+from xen.xend.server.BlktapController import blktap_disk_types
from xen.xend.server.netif import randomMAC
from xen.util.blkif import blkdev_name_to_number
from xen.util import xsconstants
@@ -1084,6 +1085,11 @@ class XendConfig(dict):
else:
dev_info['driver'] = 'paravirtualised'
+ if dev_type == 'tap':
+ if dev_info['uname'].split(':')[1] not in blktap_disk_types:
+ raise XendConfigError("tap:%s not a valid disk type" %
+ dev_info['uname'].split(':')[1])
+
if dev_type == 'vif':
if not dev_info.get('mac'):
dev_info['mac'] = randomMAC()
diff --git a/tools/python/xen/xend/server/BlktapController.py b/tools/python/xen/xend/server/BlktapController.py
index 420a4bdbe6..3226e81011 100644
--- a/tools/python/xen/xend/server/BlktapController.py
+++ b/tools/python/xen/xend/server/BlktapController.py
@@ -7,6 +7,14 @@ from xen.xend.XendLogging import log
phantomDev = 0;
phantomId = 0;
+blktap_disk_types = [
+ 'aio',
+ 'sync',
+ 'vmdk',
+ 'ram',
+ 'qcow'
+ ]
+
class BlktapController(BlkifController):
def __init__(self, vm):
BlkifController.__init__(self, vm)