hvm: Battery Management virtual firmware and toolstack changes

Signed-off-by: Kamala Narasimhan <kamala.narasimhan@citrix.com>

tools/python/xen/xend/XendConfig.py

@@ -163,6 +163,7 @@ XENAPI_PLATFORM_CFG_TYPES = {
     'vhpt': int,
     'guest_os_type': str,
     'hap': int,
+    'xen_extended_power_mgmt': int,
 }
 
 # Xen API console 'other_config' keys.

tools/python/xen/xend/image.py

@@ -250,6 +250,14 @@ class ImageHandler:
     def parseDeviceModelArgs(self, vmConfig):
         ret = ["-domain-name", str(self.vm.info['name_label'])]
 
+        xen_extended_power_mgmt = int(vmConfig['platform'].get(
+            'xen_extended_power_mgmt', 0))
+        if xen_extended_power_mgmt != 0:
+             xstransact.Store("/local/domain/0/device-model/%i"
+                              % self.vm.getDomid(),
+                              ('xen_extended_power_mgmt',
+                               xen_extended_power_mgmt))
+
         # Find RFB console device, and if it exists, make QEMU enable
         # the VNC console.
         if int(vmConfig['platform'].get('nographic', 0)) != 0:

tools/python/xen/xm/create.py

@@ -862,7 +862,7 @@ def configure_hvm(config_image, vals):
              'sdl', 'display', 'xauthority', 'rtc_timeoffset', 'monitor',
              'acpi', 'apic', 'usb', 'usbdevice', 'keymap', 'pci', 'hpet',
              'guest_os_type', 'hap', 'opengl', 'cpuid', 'cpuid_check',
-             'viridian' ]
+             'viridian', 'xen_extended_power_mgmt' ]
 
     for a in args:
         if a in vals.__dict__ and vals.__dict__[a] is not None: