xref: /qemu/migration/savevm.h (revision ac06724a715864942e2b5e28f92d5d5421f0a0b0)
1 /*
2  * QEMU save vm functions
3  *
4  * Copyright (c) 2003-2008 Fabrice Bellard
5  * Copyright (c) 2009-2017 Red Hat Inc
6  *
7  * Authors:
8  *  Juan Quintela <quintela@redhat.com>
9  *
10  * This work is licensed under the terms of the GNU GPL, version 2 or later.
11  * See the COPYING file in the top-level directory.
12  */
13 
14 #ifndef MIGRATION_SAVEVM_H
15 #define MIGRATION_SAVEVM_H
16 
17 bool qemu_savevm_state_blocked(Error **errp);
18 void qemu_savevm_state_begin(QEMUFile *f);
19 void qemu_savevm_state_header(QEMUFile *f);
20 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
21 void qemu_savevm_state_cleanup(void);
22 void qemu_savevm_state_complete_postcopy(QEMUFile *f);
23 void qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only);
24 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
25                                uint64_t *res_non_postcopiable,
26                                uint64_t *res_postcopiable);
27 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
28 void qemu_savevm_send_open_return_path(QEMUFile *f);
29 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len);
30 void qemu_savevm_send_postcopy_advise(QEMUFile *f);
31 void qemu_savevm_send_postcopy_listen(QEMUFile *f);
32 void qemu_savevm_send_postcopy_run(QEMUFile *f);
33 
34 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name,
35                                            uint16_t len,
36                                            uint64_t *start_list,
37                                            uint64_t *length_list);
38 
39 int qemu_loadvm_state(QEMUFile *f);
40 
41 #endif
42