[PATCH V2 7/9] libxl_qmp: Introduce libxl__qmp_set_global_dirty_log.

[Anthony PERARD <anthony.perard@citrix.com>]

This function will enable or disable the global dirty log on QEMU, used during
a migration.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 tools/libxl/libxl_internal.h |  2 ++
 tools/libxl/libxl_qmp.c      | 16 ++++++++++++++--
 2 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/tools/libxl/libxl_internal.h b/tools/libxl/libxl_internal.h
index 9c1482d..acdeeb2 100644
--- a/tools/libxl/libxl_internal.h
+++ b/tools/libxl/libxl_internal.h
@@ -1399,6 +1399,8 @@ _hidden int libxl__qmp_stop(libxl__gc *gc, int domid);
 _hidden int libxl__qmp_resume(libxl__gc *gc, int domid);
 /* Save current QEMU state into fd. */
 _hidden int libxl__qmp_save(libxl__gc *gc, int domid, const char *filename);
+/* Set dirty bitmap logging status */
+_hidden int libxl__qmp_set_global_dirty_log(libxl__gc *gc, int domid, bool enable);
 /* close and free the QMP handler */
 _hidden void libxl__qmp_close(libxl__qmp_handler *qmp);
 /* remove the socket file, if the file has already been removed,
diff --git a/tools/libxl/libxl_qmp.c b/tools/libxl/libxl_qmp.c
index aac06c2..befa11b 100644
--- a/tools/libxl/libxl_qmp.c
+++ b/tools/libxl/libxl_qmp.c
@@ -660,7 +660,6 @@ static void qmp_parameters_add_string(libxl__gc *gc,
     qmp_parameters_common_add(gc, param, name, obj);
 }
 
-#if 0
 static void qmp_parameters_add_bool(libxl__gc *gc,
                                     libxl__json_object **param,
                                     const char *name, bool b)
@@ -670,7 +669,6 @@ static void qmp_parameters_add_bool(libxl__gc *gc,
     obj = libxl__json_object_alloc(NOGC, JSON_TRUE);
     qmp_parameters_common_add(gc, param, name, obj);
 }
-#endif
 
 #define QMP_PARAMETERS_SPRINTF(gc, args, name, format, ...) \
     qmp_parameters_add_string(gc, args, name, \
@@ -919,6 +917,20 @@ int libxl__qmp_resume(libxl__gc *gc, int domid)
     return qmp_run_command(gc, domid, "cont", NULL, NULL, NULL);
 }
 
+int libxl__qmp_set_global_dirty_log(libxl__gc *gc, int domid, bool enable)
+{
+    libxl__json_object *args = NULL;
+    int rc = 0;
+
+    qmp_parameters_add_bool(gc, &args, "enable", enable);
+
+    rc = qmp_run_command(gc, domid, "xen-set-global-dirty-log", args,
+                         NULL, NULL);
+    libxl__json_object_free(gc, args);
+
+    return rc;
+}
+
 int libxl__qmp_initializations(libxl__gc *gc, uint32_t domid,
                                const libxl_domain_config *guest_config)
 {
-- 
Anthony PERARD