Provide an option to disable ACPI from the VMX config file.

By default ACPI is disabled.

Signed-off-by: Yu Ke <ke.yu@intel.com>
Signed-off-by: Jun Nakajima <jun.nakajima@intel.com>
Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com>

tools/python/xen/lowlevel/xc/xc.c

@@ -364,19 +364,20 @@ static PyObject *pyxc_vmx_build(XcObject *self,
     int control_evtchn, store_evtchn;
     int vcpus = 1;
     int lapic = 0;
+    int acpi = 0;
     int memsize;
     unsigned long store_mfn = 0;
 
     static char *kwd_list[] = { "dom", "control_evtchn", "store_evtchn",
-                                "memsize", "image", "lapic", "vcpus", NULL };
+                                "memsize", "image", "lapic", "vcpus", "acpi",NULL };
 
-    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiiisii", kwd_list,
+    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiiisiii", kwd_list,
                                       &dom, &control_evtchn, &store_evtchn,
-                                      &memsize, &image, &lapic, &vcpus) )
+                                      &memsize, &image, &lapic, &vcpus,&acpi) )
         return NULL;
 
     if ( xc_vmx_build(self->xc_handle, dom, memsize, image, control_evtchn,
-                      lapic, vcpus, store_evtchn, &store_mfn) != 0 )
+                      lapic, vcpus, acpi, store_evtchn, &store_mfn) != 0 )
         return PyErr_SetFromErrno(xc_error);
 
     return Py_BuildValue("{s:i}", "store_mfn", store_mfn);

tools/python/xen/xend/image.py

@@ -214,6 +214,8 @@ class VmxImageHandler(ImageHandler):
         if not lapic is None:
             self.lapic = int(lapic)
 
+        self.acpi = int(sxp.child_value(imageConfig, 'acpi', 0))
+        
     def buildDomain(self):
         # Create an event channel
         self.device_channel = xc.evtchn_alloc_unbound(dom=self.vm.getDomid(),
@@ -229,6 +231,7 @@ class VmxImageHandler(ImageHandler):
         log.debug("memsize        = %d", self.vm.getMemoryTarget() / 1024)
         log.debug("lapic          = %d", self.lapic)
         log.debug("vcpus          = %d", self.vm.getVCpuCount())
+        log.debug("acpi           = %d", self.acpi)
 
         return xc.vmx_build(dom            = self.vm.getDomid(),
                             image          = self.kernel,
@@ -236,9 +239,9 @@ class VmxImageHandler(ImageHandler):
                             store_evtchn   = store_evtchn,
                             memsize        = self.vm.getMemoryTarget() / 1024,
                             lapic          = self.lapic,
+                            acpi           = self.acpi,
                             vcpus          = self.vm.getVCpuCount())
 
-
     # Return a list of cmd line args to the device models based on the
     # xm config file
     def parseDeviceModelArgs(self, imageConfig, deviceConfig):

tools/python/xen/xm/create.py

@@ -164,6 +164,10 @@ gopts.var('lapic', val='LAPIC',
           fn=set_int, default=0,
           use="Disable or enable local APIC of VMX domain.")
 
+gopts.var('acpi', val='ACPI',
+          fn=set_int, default=0,
+          use="Disable or enable ACPI of VMX domain.")
+
 gopts.var('vcpus', val='VCPUS',
           fn=set_int, default=1,
           use="# of Virtual CPUS in domain.")
@@ -531,7 +535,7 @@ def configure_vmx(config_image, vals):
     args = [ 'device_model', 'vcpus', 'cdrom', 'boot', 'fda', 'fdb',
              'localtime', 'serial', 'stdvga', 'isa', 'nographic', 'audio',
              'vnc', 'vncviewer', 'sdl', 'display', 'ne2000', 'lapic',
-             'xauthority' ]
+             'xauthority', 'acpi' ]
     for a in args:
         if (vals.__dict__[a]):
             config_image.append([a, vals.__dict__[a]])