Enable multiple NICs for vmx domain by configuration file

Signed-off-by: Xiaofeng Ling <xiaofeng.ling@intel.com>

tools/python/xen/xend/image.py

@@ -238,7 +238,9 @@ class VmxImageHandler(ImageHandler):
     # xm config file
     def parseDeviceModelArgs(self, imageConfig, deviceConfig):
         dmargs = [ 'cdrom', 'boot', 'fda', 'fdb', 'ne2000', 
-                   'localtime', 'serial', 'stdvga', 'isa', 'vcpus' ]
+                   'localtime', 'serial', 'stdvga', 'isa', 'vcpus',
+                   'nics'
+                   ]
         ret = []
         for a in dmargs:
             v = sxp.child_value(imageConfig, a)

tools/python/xen/xm/create.py

@@ -543,7 +543,8 @@ def configure_vmx(config_image, vals):
     """
     args = [ 'device_model', 'vcpus', 'cdrom', 'boot', 'fda', 'fdb',
              'localtime', 'serial', 'stdvga', 'isa', 'nographic',
-             'vnc', 'vncviewer', 'sdl', 'display', 'ne2000', 'lapic']
+             'vnc', 'vncviewer', 'sdl', 'display', 'ne2000', 'lapic',
+             'nics']
     for a in args:
         if (vals.__dict__[a]):
             config_image.append([a, vals.__dict__[a]])