tools/python/xen/lowlevel/xl/xl.c | 74 +++++++++++++++++++++++++++++++++++++++
1 files changed, 74 insertions(+), 0 deletions(-)
# HG changeset patch
# User Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
# Date 1294761667 0
# Node ID fb64e8d377d84f99b0a0bac3d7f04dd62fea25b9
# Parent 791046eea8ded39ad09f1cf4b8482580e2a42e6a
pyxl: Export PCI passthrough related libxl functions
Signed-off-by: Gianni Tedesco <gianni.tedesco@xxxxxxxxxx>
diff -r 791046eea8de -r fb64e8d377d8 tools/python/xen/lowlevel/xl/xl.c
--- a/tools/python/xen/lowlevel/xl/xl.c Tue Jan 11 16:01:07 2011 +0000
+++ b/tools/python/xen/lowlevel/xl/xl.c Tue Jan 11 16:01:07 2011 +0000
@@ -537,6 +537,75 @@ static PyObject *pyxl_pci_parse(XlObject
return (PyObject *)pci;
}
+static PyObject *pyxl_pci_list_assignable(XlObject *self, PyObject *args)
+{
+ libxl_device_pci *dev;
+ PyObject *list;
+ int nr_dev, i;
+
+ if ( libxl_device_pci_list_assignable(&self->ctx, &dev, &nr_dev) ) {
+ PyErr_SetString(xl_error_obj, "Cannot list assignable devices");
+ return NULL;
+ }
+
+ list = PyList_New(nr_dev);
+ if ( NULL == list )
+ return NULL;
+
+ for(i = 0; i < nr_dev; i++) {
+ Py_device_pci *pd;
+ pd = Pydevice_pci_New();
+ if ( NULL == pd )
+ goto err_mem;
+ memcpy(&pd->obj, &dev[i], sizeof(pd->obj));
+ /* SetItem steals a reference */
+ PyList_SetItem(list, i, (PyObject *)pd);
+ }
+
+ free(dev);
+ return list;
+err_mem:
+ Py_DECREF(list);
+ PyErr_SetString(PyExc_MemoryError, "Allocating PCI device list");
+ return NULL;
+}
+
+static PyObject *pyxl_pci_list(XlObject *self, PyObject *args)
+{
+ libxl_device_pci *dev;
+ PyObject *list;
+ int nr_dev, i, domid;
+
+ if ( !PyArg_ParseTuple(args, "i", &domid) )
+ return NULL;
+
+ if ( libxl_device_pci_list_assigned(&self->ctx, &dev, domid, &nr_dev) ) {
+ PyErr_SetString(xl_error_obj, "Cannot list assignable devices");
+ return NULL;
+ }
+
+ list = PyList_New(nr_dev);
+ if ( NULL == list )
+ return NULL;
+
+ for(i = 0; i < nr_dev; i++) {
+ Py_device_pci *pd;
+ pd = Pydevice_pci_New();
+ if ( NULL == pd )
+ goto err_mem;
+ memcpy(&pd->obj, &dev[i], sizeof(pd->obj));
+ /* SetItem steals a reference */
+ PyList_SetItem(list, i, (PyObject *)pd);
+ }
+
+ free(dev);
+ return list;
+err_mem:
+ Py_DECREF(list);
+ PyErr_SetString(PyExc_MemoryError, "Allocating PCI device list");
+ return NULL;
+}
+
static PyMethodDef pyxl_methods[] = {
{"list_domains", (PyCFunction)pyxl_list_domains, METH_NOARGS,
"List domains"},
@@ -558,6 +627,11 @@ static PyMethodDef pyxl_methods[] = {
"Remove a pass-through PCI device"},
{"device_pci_parse_bdf", (PyCFunction)pyxl_pci_parse, METH_VARARGS,
"Parse pass-through PCI device spec (BDF)"},
+ {"device_pci_list", (PyCFunction)pyxl_pci_list, METH_VARARGS,
+ "List PCI devices assigned to a domain"},
+ {"device_pci_list_assignable",
+ (PyCFunction)pyxl_pci_list_assignable, METH_NOARGS,
+ "List assignable PCI devices"},
{ NULL, NULL, 0, NULL }
};
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