qemu

FORK: QEMU emulator
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misc.h (2182B)

      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 "qemu/notify.h"
     18 #include "qapi/qapi-types-net.h"
     19 
     20 /* migration/ram.c */
     21 
     22 typedef enum PrecopyNotifyReason {
     23     PRECOPY_NOTIFY_SETUP = 0,
     24     PRECOPY_NOTIFY_BEFORE_BITMAP_SYNC = 1,
     25     PRECOPY_NOTIFY_AFTER_BITMAP_SYNC = 2,
     26     PRECOPY_NOTIFY_COMPLETE = 3,
     27     PRECOPY_NOTIFY_CLEANUP = 4,
     28     PRECOPY_NOTIFY_MAX = 5,
     29 } PrecopyNotifyReason;
     30 
     31 typedef struct PrecopyNotifyData {
     32     enum PrecopyNotifyReason reason;
     33     Error **errp;
     34 } PrecopyNotifyData;
     35 
     36 void precopy_infrastructure_init(void);
     37 void precopy_add_notifier(NotifierWithReturn *n);
     38 void precopy_remove_notifier(NotifierWithReturn *n);
     39 int precopy_notify(PrecopyNotifyReason reason, Error **errp);
     40 
     41 void ram_mig_init(void);
     42 void qemu_guest_free_page_hint(void *addr, size_t len);
     43 
     44 /* migration/block.c */
     45 
     46 #ifdef CONFIG_LIVE_BLOCK_MIGRATION
     47 void blk_mig_init(void);
     48 #else
     49 static inline void blk_mig_init(void) {}
     50 #endif
     51 
     52 AnnounceParameters *migrate_announce_params(void);
     53 /* migration/savevm.c */
     54 
     55 void dump_vmstate_json_to_file(FILE *out_fp);
     56 
     57 /* migration/migration.c */
     58 void migration_object_init(void);
     59 void migration_shutdown(void);
     60 bool migration_is_idle(void);
     61 bool migration_is_active(MigrationState *);
     62 void add_migration_state_change_notifier(Notifier *notify);
     63 void remove_migration_state_change_notifier(Notifier *notify);
     64 bool migration_in_setup(MigrationState *);
     65 bool migration_has_finished(MigrationState *);
     66 bool migration_has_failed(MigrationState *);
     67 /* ...and after the device transmission */
     68 bool migration_in_postcopy_after_devices(MigrationState *);
     69 void migration_global_dump(Monitor *mon);
     70 /* True if incomming migration entered POSTCOPY_INCOMING_DISCARD */
     71 bool migration_in_incoming_postcopy(void);
     72 /* True if background snapshot is active */
     73 bool migration_in_bg_snapshot(void);
     74 
     75 /* migration/block-dirty-bitmap.c */
     76 void dirty_bitmap_mig_init(void);
     77 
     78 #endif