Merge remote-tracking branch 'remotes/pmaydell/tags/pull-target-arm-20200117-1' into...
[qemu.git] / migration / savevm.h
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 #define QEMU_VM_FILE_MAGIC 0x5145564d
18 #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002
19 #define QEMU_VM_FILE_VERSION 0x00000003
20
21 #define QEMU_VM_EOF 0x00
22 #define QEMU_VM_SECTION_START 0x01
23 #define QEMU_VM_SECTION_PART 0x02
24 #define QEMU_VM_SECTION_END 0x03
25 #define QEMU_VM_SECTION_FULL 0x04
26 #define QEMU_VM_SUBSECTION 0x05
27 #define QEMU_VM_VMDESCRIPTION 0x06
28 #define QEMU_VM_CONFIGURATION 0x07
29 #define QEMU_VM_COMMAND 0x08
30 #define QEMU_VM_SECTION_FOOTER 0x7e
31
32 bool qemu_savevm_state_blocked(Error **errp);
33 void qemu_savevm_state_setup(QEMUFile *f);
34 int qemu_savevm_nr_failover_devices(void);
35 bool qemu_savevm_state_guest_unplug_pending(void);
36 int qemu_savevm_state_resume_prepare(MigrationState *s);
37 void qemu_savevm_state_header(QEMUFile *f);
38 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
39 void qemu_savevm_state_cleanup(void);
40 void qemu_savevm_state_complete_postcopy(QEMUFile *f);
41 int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only,
42 bool inactivate_disks);
43 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
44 uint64_t *res_precopy_only,
45 uint64_t *res_compatible,
46 uint64_t *res_postcopy_only);
47 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value);
48 void qemu_savevm_send_open_return_path(QEMUFile *f);
49 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len);
50 void qemu_savevm_send_postcopy_advise(QEMUFile *f);
51 void qemu_savevm_send_postcopy_listen(QEMUFile *f);
52 void qemu_savevm_send_postcopy_run(QEMUFile *f);
53 void qemu_savevm_send_postcopy_resume(QEMUFile *f);
54 void qemu_savevm_send_recv_bitmap(QEMUFile *f, char *block_name);
55
56 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name,
57 uint16_t len,
58 uint64_t *start_list,
59 uint64_t *length_list);
60 void qemu_savevm_send_colo_enable(QEMUFile *f);
61 void qemu_savevm_live_state(QEMUFile *f);
62 int qemu_save_device_state(QEMUFile *f);
63
64 int qemu_loadvm_state(QEMUFile *f);
65 void qemu_loadvm_state_cleanup(void);
66 int qemu_loadvm_state_main(QEMUFile *f, MigrationIncomingState *mis);
67 int qemu_load_device_state(QEMUFile *f);
68
69 #endif