CA-253490 Add missing error codes

The Dummy SR driver had a couple of incorrect error codes. Add one,
and adjust the other to something which exists.

Add an error code for "NoRootDev", as used in drivers/util.py

Note the error codes in the XML are not sorted in any particular order.

Signed-off-by: Tim Smith <tim.smith@citrix.com>

drivers/DummySR.py

@@ -256,7 +256,7 @@ def check_no_other_vdi_operation_in_progress(self):
         if len(active_vdis) != 0:
             msg = "LVHDRT: found other operations in progress for VDI: %s" % active_vdis[0]['uuid']
             util.SMlog(msg)
-            raise xs_errors.XenError('OtherVDIOperationInProgress')
+            raise xs_errors.XenError('VDIInUse')
 
     def get_attached_vbds(self):
         vdi_ref = self.session.xenapi.VDI.get_by_uuid(self.uuid)

drivers/XE_SR_ERRORCODES.xml

@@ -455,6 +455,11 @@
                 <description>Root system device, cannot be used for VM storage</description>
                 <value>105</value>
         </code>
+        <code>
+                <name>NoRootDev</name>
+                <description>Root system device not found</description>
+                <value>118</value>
+        </code>
         <code>
                 <name>InvalidIQN</name>
                 <description>The IQN provided is an invalid format</description>
@@ -764,6 +769,11 @@
                 <description>Gave up on leaf coalesce after leaf grew bigger than before snapshot taken</description>
                 <value>204</value>
         </code>
+        <code>
+                <name>VBDListNotStable</name>
+                <description>LVHDRT: found a non-stable VBD</description>
+                <value>205</value>
+        </code>
 
         <code>
                 <name>XMLParse</name>