#include "exec/cpu-common.h"
#include "hw/qdev-core.h"
#include "qapi/qapi-types-migration.h"
+#include "qapi/qmp/json-writer.h"
#include "qemu/thread.h"
#include "qemu/coroutine_int.h"
#include "io/channel.h"
* This save hostname when out-going migration starts
*/
char *hostname;
+
+ /* QEMU_VM_VMDESCRIPTION content filled for all non-iterable devices. */
+ JSONWriter *vmdesc;
};
void migrate_set_state(int *state, int old_state, int new_state);
#include "postcopy-ram.h"
#include "qapi/error.h"
#include "qapi/qapi-commands-migration.h"
-#include "qapi/qmp/json-writer.h"
#include "qapi/clone-visitor.h"
#include "qapi/qapi-builtin-visit.h"
#include "qapi/qmp/qerror.h"
void qemu_savevm_state_setup(QEMUFile *f)
{
+ MigrationState *ms = migrate_get_current();
SaveStateEntry *se;
Error *local_err = NULL;
int ret;
+ ms->vmdesc = json_writer_new(false);
+ json_writer_start_object(ms->vmdesc, NULL);
+ json_writer_int64(ms->vmdesc, "page_size", qemu_target_page_size());
+ json_writer_start_array(ms->vmdesc, "devices");
+
trace_savevm_state_setup();
QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
if (!se->ops || !se->ops->save_setup) {
bool in_postcopy,
bool inactivate_disks)
{
- g_autoptr(JSONWriter) vmdesc = NULL;
+ MigrationState *ms = migrate_get_current();
+ JSONWriter *vmdesc = ms->vmdesc;
int vmdesc_len;
SaveStateEntry *se;
int ret;
- vmdesc = json_writer_new(false);
- json_writer_start_object(vmdesc, NULL);
- json_writer_int64(vmdesc, "page_size", qemu_target_page_size());
- json_writer_start_array(vmdesc, "devices");
QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
ret = vmstate_save(f, se, vmdesc);
if (ret) {
qemu_put_buffer(f, (uint8_t *)json_writer_get(vmdesc), vmdesc_len);
}
+ /* Free it now to detect any inconsistencies. */
+ json_writer_free(vmdesc);
+ ms->vmdesc = NULL;
+
return 0;
}