diff --git a/nova_zvm/tests/unit/virt/zvm/test_driver.py b/nova_zvm/tests/unit/virt/zvm/test_driver.py
index 52fba9c..924c411 100644
--- a/nova_zvm/tests/unit/virt/zvm/test_driver.py
+++ b/nova_zvm/tests/unit/virt/zvm/test_driver.py
@@ -484,6 +484,18 @@ class TestZVMDriver(test.NoDBTestCase):
         self.driver.unpause(self._instance)
         ipa.assert_called_once_with(self._instance, 'guest_unpause')
 
+    @mock.patch('nova_zvm.virt.zvm.driver.ZVMDriver._instance_power_action')
+    def test_reboot_soft(self, ipa):
+        self.driver.reboot(self._context, self._instance, self._network_info,
+                           'SOFT')
+        ipa.assert_called_once_with(self._instance, 'guest_reboot')
+
+    @mock.patch('nova_zvm.virt.zvm.driver.ZVMDriver._instance_power_action')
+    def test_reboot_hard(self, ipa):
+        self.driver.reboot(self._context, self._instance, self._network_info,
+                           'HARD')
+        ipa.assert_called_once_with(self._instance, 'guest_reset')
+
     @mock.patch('nova_zvm.virt.zvm.utils.zVMConnectorRequestHandler.call')
     def test_get_console_output(self, call):
         call.return_value = 'console output'
diff --git a/nova_zvm/virt/zvm/const.py b/nova_zvm/virt/zvm/const.py
index d556cb7..e3c1fed 100644
--- a/nova_zvm/virt/zvm/const.py
+++ b/nova_zvm/virt/zvm/const.py
@@ -25,3 +25,6 @@ ZVM_POWER_STAT = {
     'on': power_state.RUNNING,
     'off': power_state.SHUTDOWN,
     }
+
+REBOOT_TYPE_SOFT = 'SOFT'
+REBOOT_TYPE_HARD = 'HARD'
diff --git a/nova_zvm/virt/zvm/driver.py b/nova_zvm/virt/zvm/driver.py
index 19af63a..4737c0e 100644
--- a/nova_zvm/virt/zvm/driver.py
+++ b/nova_zvm/virt/zvm/driver.py
@@ -405,6 +405,13 @@ class ZVMDriver(driver.ComputeDriver):
         """Unpause the z/VM instance."""
         self._instance_power_action(instance, 'guest_unpause')
 
+    def reboot(self, context, instance, network_info, reboot_type,
+               block_device_info=None, bad_volumes_callback=None):
+        if reboot_type == const.REBOOT_TYPE_SOFT:
+            self._instance_power_action(instance, 'guest_reboot')
+        else:
+            self._instance_power_action(instance, 'guest_reset')
+
     def get_console_output(self, context, instance):
         return self._reqh.call('guest_get_console_output', instance.name)