diff -r 08e010c3f251 tools/python/xen/xend/XendDomain.py
--- a/tools/python/xen/xend/XendDomain.py	Tue Apr 15 16:39:00 2008 +0100
+++ b/tools/python/xen/xend/XendDomain.py	Tue Apr 22 16:14:54 2008 +0900
@@ -1622,7 +1622,31 @@ class XendDomain:
                                           vcpu)
         except Exception, ex:
             raise XendError(str(ex))
- 
+
+    def domain_reset(self, domid):
+        """Terminate domain immediately, and then create domain.
+
+        @param domid: Domain ID or Name
+        @type domid: int or string.
+        @rtype: None
+        @raise XendError: Failed to destroy or create
+        @raise XendInvalidDomain: Domain is not valid
+        """
+
+        dominfo = self.domain_lookup_nr(domid)
+        if not dominfo:
+            raise XendInvalidDomain(str(domid))
+        if dominfo and dominfo.getDomid() == DOM0_ID:
+            raise XendError("Cannot reset privileged domain %s" % domid)
+        if dominfo._stateGet() not in (DOM_STATE_RUNNING, DOM_STATE_PAUSED):
+            raise VMBadState("Domain '%s' is not started" % domid,
+                             POWER_STATE_NAMES[DOM_STATE_RUNNING],
+                             POWER_STATE_NAMES[dominfo._stateGet()])
+        try:
+            dominfo.resetDomain()
+        except Exception, ex:
+            raise XendError(str(ex))
+
 
 def instance():
     """Singleton constructor. Use this instead of the class constructor.
diff -r 08e010c3f251 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py	Tue Apr 15 16:39:00 2008 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py	Tue Apr 22 16:13:03 2008 +0900
@@ -2323,6 +2323,34 @@ class XendDomainInfo:
         self._cleanup_phantom_devs(paths)
 
 
+    def resetDomain(self):
+        log.debug("XendDomainInfo.resetDomain(%s)", str(self.domid))
+
+        old_domid = self.domid
+        prev_vm_xend = self._listRecursiveVm('xend')
+        new_dom_info = self.info
+        try:
+            self._unwatchVm()
+            self.destroy()
+
+            new_dom = None
+            try:
+                from xen.xend import XendDomain
+                new_dom_info['domid'] = None
+                new_dom = XendDomain.instance().domain_create_from_dict(
+                    new_dom_info)
+                for x in prev_vm_xend[0][1]:
+                    new_dom._writeVm('xend/%s' % x[0], x[1])
+                new_dom.waitForDevices()
+                new_dom.unpause()
+            except:
+                if new_dom:
+                    new_dom.destroy()
+                raise
+        except:
+            log.exception('Failed to reset domain %s.', str(old_domid))
+
+
     def resumeDomain(self):
         log.debug("XendDomainInfo.resumeDomain(%s)", str(self.domid))
 
diff -r 08e010c3f251 tools/python/xen/xm/main.py
--- a/tools/python/xen/xm/main.py	Tue Apr 15 16:39:00 2008 +0100
+++ b/tools/python/xen/xm/main.py	Tue Apr 22 16:11:04 2008 +0900
@@ -107,6 +107,7 @@ SUBCOMMAND_HELP = {
                      'Migrate a domain to another machine.'),
     'pause'       : ('<Domain>', 'Pause execution of a domain.'),
     'reboot'      : ('<Domain> [-wa]', 'Reboot a domain.'),
+    'reset'       : ('<Domain>', 'Reset a domain.'),
     'restore'     : ('<CheckpointFile> [-p]',
                      'Restore a domain from a saved state.'),
     'save'        : ('[-c] <Domain> <CheckpointFile>',
@@ -274,6 +275,7 @@ common_commands = [
     "migrate",
     "pause",
     "reboot",
+    "reset",
     "restore",
     "resume",
     "save",
@@ -303,6 +305,7 @@ domain_commands = [
     "pause",
     "reboot",
     "rename",
+    "reset",
     "restore",
     "resume",
     "save",
@@ -1247,6 +1250,13 @@ def xm_shutdown(args):
     arg_check(args, "shutdown", 1, 4)
     from xen.xm import shutdown
     shutdown.main(["shutdown"] + args)
+
+def xm_reset(args):
+    arg_check(args, "reset", 1)
+    dom = args[0]
+
+    # TODO: XenAPI
+    server.xend.domain.reset(dom)
 
 def xm_pause(args):
     arg_check(args, "pause", 1)
@@ -2474,6 +2484,7 @@ commands = {
     "dump-core": xm_dump_core,
     "reboot": xm_reboot,
     "rename": xm_rename,
+    "reset": xm_reset,
     "restore": xm_restore,
     "resume": xm_resume,
     "save": xm_save,