This patch adds the UUID as a parameter for the call to xc_hvm_create in
xend.
Add UUID as a parameter for HVM domain creation.
Signed-off-by: Andrew D. Ball <aball@xxxxxxxxxx>
diff -r a1c2cede77c7 tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c Mon Jul 10 14:01:49 2006
+++ b/tools/python/xen/lowlevel/xc/xc.c Wed Jul 12 11:48:37 2006
@@ -371,18 +371,35 @@
int pae = 0;
int acpi = 0;
int apic = 0;
+ PyObject *uuid_obj = NULL;
+ uint8_t uuid[16];
unsigned long store_mfn = 0;
+ int i;
+ PyObject *tmp = NULL;
static char *kwd_list[] = { "dom", "store_evtchn",
"memsize", "image", "vcpus", "pae", "acpi",
"apic",
+ "uuid",
NULL };
- if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiisiiii", kwd_list,
+ if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiisiiiiO", kwd_list,
&dom, &store_evtchn, &memsize,
- &image, &vcpus, &pae, &acpi, &apic) )
- return NULL;
+ &image, &vcpus, &pae, &acpi, &apic,
+ &uuid_obj) )
+ return NULL;
+
+ /* convert the UUID array from Python to C if possible */
+ if (!PySequence_Check(uuid_obj) || PySequence_Length(uuid_obj) != 16)
+ return NULL;
+ for (i = 0; i < 16; i++) {
+ tmp = PySequence_GetItem(uuid_obj, i);
+ if (!PyInt_Check(tmp))
+ return NULL;
+ uuid[i] = (uint8_t) PyInt_AsLong(tmp);
+ }
if ( xc_hvm_build(self->xc_handle, dom, memsize, image,
- vcpus, pae, acpi, apic, store_evtchn, &store_mfn) != 0 )
+ vcpus, pae, acpi, apic, store_evtchn, &store_mfn,
+ uuid) != 0 )
return PyErr_SetFromErrno(xc_error);
return Py_BuildValue("{s:i}", "store_mfn", store_mfn);
@@ -1050,6 +1067,7 @@
" dom [int]: Identifier of domain to build into.\n"
" image [str]: Name of HVM loader image file.\n"
" vcpus [int, 1]: Number of Virtual CPUS in domain.\n\n"
+ " uuid [list of 16 ints]: UUID of the domain.\n\n"
"Returns: [int] 0 on success; -1 on error.\n" },
{ "bvtsched_global_set",
diff -r a1c2cede77c7 tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py Mon Jul 10 14:01:49 2006
+++ b/tools/python/xen/xend/image.py Wed Jul 12 11:48:37 2006
@@ -224,6 +224,16 @@
def buildDomain(self):
store_evtchn = self.vm.getStorePort()
+
+ # convert the DCE formatted UUID string to an array
+ # of 16 integers
+ uuid_str = self.vm.info['uuid']
+ uuid_str = uuid_str.replace('-','')
+
+ uuid_arr = []
+
+ for i in range(0,32,2):
+ uuid_arr.append(int(uuid_str[i:i+2], 16))
log.debug("dom = %d", self.vm.getDomid())
log.debug("image = %s", self.kernel)
@@ -233,6 +243,7 @@
log.debug("pae = %d", self.pae)
log.debug("acpi = %d", self.acpi)
log.debug("apic = %d", self.apic)
+ log.debug("uuid = %s", uuid_arr)
self.register_shutdown_watch()
@@ -243,7 +254,8 @@
vcpus = self.vm.getVCpuCount(),
pae = self.pae,
acpi = self.acpi,
- apic = self.apic)
+ apic = self.apic,
+ uuid = uuid_arr)
# Return a list of cmd line args to the device models based on the
# xm config file
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