[PATCH 3/4] ioports: xen.lowlevel.xc support

[lists-xen@pimb.org]

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3/4

-- 
Jody Belka
knew (at) pimb (dot) org

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# HG changeset patch
# User jmb@artemis.home.pimb.org
# Node ID 3acad8d6d0cf5c8a00833aea7fdbb20f9e73868e
# Parent  d8d62e726d8d217dde4fbc33962d9c4be115befc
Added domain_ioport_permission to the python module xen.lowlevel.xc,
wrapping the equivalent libxc call

Signed-off-by: Jody Belka <knew (at) pimb (dot) org>

diff -r d8d62e726d8d -r 3acad8d6d0cf tools/python/xen/lowlevel/xc/xc.c
--- a/tools/python/xen/lowlevel/xc/xc.c	Sun Nov  6 01:14:43 2005
+++ b/tools/python/xen/lowlevel/xc/xc.c	Sun Nov  6 01:15:12 2005
@@ -858,6 +858,29 @@
     return zero;
 }
 
+static PyObject *pyxc_domain_ioport_permission(PyObject *self,
+                                               PyObject *args,
+                                               PyObject *kwds)
+{
+    XcObject *xc = (XcObject *)self;
+    uint32_t dom;
+    int first_port, nr_ports, allow_access, ret;
+
+    static char *kwd_list[] = { "dom", "first_port", "nr_ports", "allow_access", NULL };
+
+    if ( !PyArg_ParseTupleAndKeywords(args, kwds, "iiii", kwd_list, 
+                                      &dom, &first_port, &nr_ports, &allow_access) )
+        return NULL;
+
+    ret = xc_domain_ioport_permission(
+        xc->xc_handle, dom, first_port, nr_ports, allow_access);
+    if ( ret != 0 )
+        return PyErr_SetFromErrno(xc_error);
+
+    Py_INCREF(zero);
+    return zero;
+}
+
 static PyMethodDef pyxc_methods[] = {
     { "handle",
       (PyCFunction)pyxc_handle,
@@ -1127,6 +1150,16 @@
       " mem_kb [long]: .\n"
       "Returns: [int] 0 on success; -1 on error.\n" },
 
+    { "domain_ioport_permission",
+      (PyCFunction)pyxc_domain_ioport_permission,
+      METH_VARARGS | METH_KEYWORDS, "\n"
+      "Allow a domain access to a range of IO ports\n"
+      " dom          [int]: Identifier of domain to be allowed access.\n"
+      " first_port   [int]: First IO port\n"
+      " nr_ports     [int]: Number of IO ports\n"
+      " allow_access [int]: Non-zero means enable access; else disable access\n\n"
+      "Returns: [int] 0 on success; -1 on error.\n" },
+
     { NULL, NULL, 0, NULL }
 };
 

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