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Add qemu_savevm_state_complete_postcopy

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Add qemu_savevm_state_complete_postcopy to complement
qemu_savevm_state_complete_precopy together with a new
save_live_complete_postcopy method on devices.

The save_live_complete_precopy method is called on
all devices during a precopy migration, and all non-postcopy
devices during a postcopy migration at the transition.

The save_live_complete_postcopy method is called at
the end of postcopy for all postcopiable devices.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2015-11-05 18:11:00 +00:00 • committed by Juan Quintela
parent 8421b205dd
commit 763c906b0e
4 changed files with 50 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

1
include/migration/vmstate.h
View file

@ -40,6 +40,7 @@ typedef struct SaveVMHandlers {
SaveStateHandler *save_state;
void (*cleanup)(void *opaque);
int (*save_live_complete_postcopy)(QEMUFile *f, void *opaque);
int (*save_live_complete_precopy)(QEMUFile *f, void *opaque);
/* This runs both outside and inside the iothread lock. */

1
include/sysemu/sysemu.h
View file

@ -111,6 +111,7 @@ void qemu_savevm_state_begin(QEMUFile *f,
void qemu_savevm_state_header(QEMUFile *f);
int qemu_savevm_state_iterate(QEMUFile *f);
void qemu_savevm_state_cleanup(void);
void qemu_savevm_state_complete_postcopy(QEMUFile *f);
void qemu_savevm_state_complete_precopy(QEMUFile *f);
void qemu_savevm_state_pending(QEMUFile *f, uint64_t max_size,
uint64_t *res_non_postcopiable,