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 bool qemu_savevm_state_guest_unplug_pending(void); 35 int qemu_savevm_state_resume_prepare(MigrationState *s); 36 void qemu_savevm_state_header(QEMUFile *f); 37 int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy); 38 void qemu_savevm_state_cleanup(void); 39 void qemu_savevm_state_complete_postcopy(QEMUFile *f); 40 int qemu_savevm_state_complete_precopy(QEMUFile *f, bool iterable_only, 41 bool inactivate_disks); 42 void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size, 43 uint64_t *res_precopy_only, 44 uint64_t *res_compatible, 45 uint64_t *res_postcopy_only); 46 void qemu_savevm_send_ping(QEMUFile *f, uint32_t value); 47 void qemu_savevm_send_open_return_path(QEMUFile *f); 48 int qemu_savevm_send_packaged(QEMUFile *f, const uint8_t *buf, size_t len); 49 void qemu_savevm_send_postcopy_advise(QEMUFile *f); 50 void qemu_savevm_send_postcopy_listen(QEMUFile *f); 51 void qemu_savevm_send_postcopy_run(QEMUFile *f); 52 void qemu_savevm_send_postcopy_resume(QEMUFile *f); 53 void qemu_savevm_send_recv_bitmap(QEMUFile *f, char *block_name); 54 55 void qemu_savevm_send_postcopy_ram_discard(QEMUFile *f, const char *name, 56 uint16_t len, 57 uint64_t *start_list, 58 uint64_t *length_list); 59 void qemu_savevm_send_colo_enable(QEMUFile *f); 60 void qemu_savevm_live_state(QEMUFile *f); 61 int qemu_save_device_state(QEMUFile *f); 62 63 int qemu_loadvm_state(QEMUFile *f); 64 void qemu_loadvm_state_cleanup(void); 65 int qemu_loadvm_state_main(QEMUFile *f, MigrationIncomingState *mis); 66 int qemu_load_device_state(QEMUFile *f); 67 68 #endif 69