LXR qemu/include/migration/misc.h

   1/*
   2 * QEMU migration miscellaneus exported functions
   3 *
   4 * Copyright IBM, Corp. 2008
   5 *
   6 * Authors:
   7 *  Anthony Liguori   <aliguori@us.ibm.com>
   8 *
   9 * This work is licensed under the terms of the GNU GPL, version 2.  See
  10 * the COPYING file in the top-level directory.
  11 *
  12 */
  13
  14#ifndef MIGRATION_MISC_H
  15#define MIGRATION_MISC_H
  16
  17#include "exec/cpu-common.h"
  18#include "qemu/notify.h"
  19#include "qapi/qapi-types-net.h"
  20
  21/* migration/ram.c */
  22
  23typedef enum PrecopyNotifyReason {
  24    PRECOPY_NOTIFY_SETUP = 0,
  25    PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1,
  26    PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2,
  27    PRECOPY_NOTIFY_COMPLETE = 3,
  28    PRECOPY_NOTIFY_CLEANUP = 4,
  29    PRECOPY_NOTIFY_MAX = 5,
  30} PrecopyNotifyReason;
  31
  32typedef struct PrecopyNotifyData {
  33    enum PrecopyNotifyReason reason;
  34    Error **errp;
  35} PrecopyNotifyData;
  36
  37void precopy_infrastructure_init(void);
  38void precopy_add_notifier(NotifierWithReturn *n);
  39void precopy_remove_notifier(NotifierWithReturn *n);
  40int precopy_notify(PrecopyNotifyReason reason, Error **errp);
  41void precopy_enable_free_page_optimization(void);
  42
  43void ram_mig_init(void);
  44void qemu_guest_free_page_hint(void *addr, size_t len);
  45
  46/* migration/block.c */
  47
  48#ifdef CONFIG_LIVE_BLOCK_MIGRATION
  49void blk_mig_init(void);
  50#else
  51static inline void blk_mig_init(void) {}
  52#endif
  53
  54AnnounceParameters *migrate_announce_params(void);
  55/* migration/savevm.c */
  56
  57void dump_vmstate_json_to_file(FILE *out_fp);
  58
  59/* migration/migration.c */
  60void migration_object_init(void);
  61void migration_shutdown(void);
  62void qemu_start_incoming_migration(const char *uri, Error **errp);
  63bool migration_is_idle(void);
  64void add_migration_state_change_notifier(Notifier *notify);
  65void remove_migration_state_change_notifier(Notifier *notify);
  66bool migration_in_setup(MigrationState *);
  67bool migration_has_finished(MigrationState *);
  68bool migration_has_failed(MigrationState *);
  69/* ...and after the device transmission */
  70bool migration_in_postcopy_after_devices(MigrationState *);
  71void migration_global_dump(Monitor *mon);
  72
  73/* migration/block-dirty-bitmap.c */
  74void dirty_bitmap_mig_init(void);
  75
  76#endif
  77