Extend the list of xc() object methods with additional one to display Xen's buildid. The implementation follows the libxl implementation (e.g. max buildid size assumption being XC_PAGE_SIZE).
Signed-off-by: Pawel Wieczorkiewicz <[email protected]> Reviewed-by: Martin Mazein <[email protected]> Reviewed-by: Andra-Irina Paraschiv <[email protected]> Reviewed-by: Norbert Manthey <[email protected]> --- v2: * No code change * Adding maintainers --- tools/python/xen/lowlevel/xc/xc.c | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/tools/python/xen/lowlevel/xc/xc.c b/tools/python/xen/lowlevel/xc/xc.c index 522cbe3b9c..5459d6834d 100644 --- a/tools/python/xen/lowlevel/xc/xc.c +++ b/tools/python/xen/lowlevel/xc/xc.c @@ -1211,6 +1211,26 @@ out: return ret_obj ? ret_obj : pyxc_error_to_exception(self->xc_handle); } +static PyObject *pyxc_xenbuildid(XcObject *self) +{ + xen_build_id_t *buildid; + int i, r; + char *str; + + buildid = alloca(sizeof(buildid->len) + XC_PAGE_SIZE); + buildid->len = XC_PAGE_SIZE - sizeof(*buildid); + + r = xc_version(self->xc_handle, XENVER_build_id, buildid); + if ( r <= 0 ) + return pyxc_error_to_exception(self->xc_handle); + + str = alloca((r * 2) + 1); + for ( i = 0; i < r; i++ ) + snprintf(&str[i * 2], 3, "%02hhx", buildid->buf[i]); + + return Py_BuildValue("s", str); +} + static PyObject *pyxc_xeninfo(XcObject *self) { xen_extraversion_t xen_extra; @@ -2294,6 +2314,13 @@ static PyMethodDef pyxc_methods[] = { "Returns [dict]: information about Xen" " [None]: on failure.\n" }, + { "buildid", + (PyCFunction)pyxc_xenbuildid, + METH_NOARGS, "\n" + "Get Xen buildid\n" + "Returns [str]: Xen buildid" + " [None]: on failure.\n" }, + { "shadow_control", (PyCFunction)pyxc_shadow_control, METH_VARARGS | METH_KEYWORDS, "\n" -- 2.16.5 Amazon Development Center Germany GmbH Krausenstr. 38 10117 Berlin Geschaeftsfuehrung: Christian Schlaeger, Ralf Herbrich Eingetragen am Amtsgericht Charlottenburg unter HRB 149173 B Sitz: Berlin Ust-ID: DE 289 237 879 _______________________________________________ Xen-devel mailing list [email protected] https://lists.xenproject.org/mailman/listinfo/xen-devel
