| 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 | #include "migration/register.h" |
| 18 | |
| 19 | #define QEMU_VM_FILE_MAGIC 0x5145564d |
| 20 | #define QEMU_VM_FILE_VERSION_COMPAT 0x00000002 |
| 21 | #define QEMU_VM_FILE_VERSION 0x00000003 |
| 22 | |
| 23 | #define QEMU_VM_EOF 0x00 |
| 24 | #define QEMU_VM_SECTION_START 0x01 |
| 25 | #define QEMU_VM_SECTION_PART 0x02 |
| 26 | #define QEMU_VM_SECTION_END 0x03 |
| 27 | #define QEMU_VM_SECTION_FULL 0x04 |
| 28 | #define QEMU_VM_SUBSECTION 0x05 |
| 29 | #define QEMU_VM_VMDESCRIPTION 0x06 |
| 30 | #define QEMU_VM_CONFIGURATION 0x07 |
| 31 | #define QEMU_VM_COMMAND 0x08 |
| 32 | #define QEMU_VM_SECTION_FOOTER 0x7e |
| 33 | |
| 34 | #define QEMU_VM_PING_PACKAGED_LOADED 0x42 |
| 35 | |
| 36 | bool qemu_savevm_state_blocked(Error **errp); |
| 37 | void qemu_savevm_non_migratable_list(strList **reasons); |
| 38 | int qemu_savevm_state_prepare(Error **errp); |
| 39 | int qemu_savevm_state_do_setup(QEMUFile *f, Error **errp); |
| 40 | bool qemu_savevm_state_guest_unplug_pending(void); |
| 41 | int qemu_savevm_state_resume_prepare(MigrationState *s); |
| 42 | void qemu_savevm_send_header(QEMUFile *f); |
| 43 | void qemu_savevm_state_header(QEMUFile *f); |
| 44 | int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); |
| 45 | void qemu_savevm_state_cleanup(void); |
| 46 | void qemu_savevm_state_complete_postcopy(QEMUFile *f); |
| 47 | bool qemu_savevm_state_complete_precopy(MigrationState *s, Error **errp); |
| 48 | void qemu_savevm_query_pending_iter(MigrationState *s, MigPendingData *pending, |
| 49 | bool exact); |
| 50 | bool qemu_savevm_query_pending_final(MigrationState *s, |
| 51 | MigPendingData *pending, Error **errp); |
| 52 | int qemu_savevm_state_complete_precopy_iterable(QEMUFile *f, bool in_postcopy); |
| 53 | bool qemu_savevm_state_postcopy_prepare(QEMUFile *f, Error **errp); |
| 54 | void qemu_savevm_state_end(QEMUFile *f); |
| 55 | void qemu_savevm_state_end_precopy(MigrationState *s, QEMUFile *f); |
| 56 | void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); |
| 57 | void qemu_savevm_send_open_return_path(QEMUFile *f); |
| 58 | int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); |
| 59 | void qemu_savevm_send_postcopy_advise(QEMUFile *f); |
| 60 | void qemu_savevm_send_postcopy_listen(QEMUFile *f); |
| 61 | void qemu_savevm_send_postcopy_run(QEMUFile *f); |
| 62 | void qemu_savevm_send_postcopy_resume(QEMUFile *f); |
| 63 | void qemu_savevm_send_recv_bitmap(QEMUFile *f, char *block_name); |
| 64 | void qemu_savevm_maybe_send_switchover_start(QEMUFile *f); |
| 65 | |
| 66 | void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, |
| 67 | uint16_t len, |
| 68 | uint64_t *start_list, |
| 69 | uint64_t *length_list); |
| 70 | int qemu_save_device_state(QEMUFile *f, Error **errp); |
| 71 | int qemu_loadvm_state(QEMUFile *f, Error **errp); |
| 72 | void qemu_loadvm_state_cleanup(MigrationIncomingState *mis); |
| 73 | void qemu_loadvm_run_fast_snapshot_load(QEMUFile *f, |
| 74 | MigrationIncomingState *mis); |
| 75 | int qemu_loadvm_state_main(QEMUFile *f, MigrationIncomingState *mis, |
| 76 | Error **errp); |
| 77 | int qemu_load_device_state(QEMUFile *f, Error **errp); |
| 78 | int qemu_loadvm_approve_switchover(const char *approver); |
| 79 | bool qemu_savevm_state_non_iterable(QEMUFile *f, Error **errp); |
| 80 | int qemu_savevm_state_non_iterable_early(QEMUFile *f, |
| 81 | JSONWriter *vmdesc, |
| 82 | Error **errp); |
| 83 | bool qemu_loadvm_load_state_buffer(const char *idstr, uint32_t instance_id, |
| 84 | char *buf, size_t len, Error **errp); |
| 85 | |
| 86 | #endif |