diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/block/dirty-bitmap.h | 7 | ||||
| -rw-r--r-- | include/migration/misc.h | 3 | ||||
| -rw-r--r-- | include/migration/register.h | 26 |
3 files changed, 34 insertions, 2 deletions
diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index 09efec609f..1ff8949b1b 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -21,6 +21,7 @@ BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs, BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, Error **errp); +void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap); BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs, const char *name); void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap); @@ -68,6 +69,8 @@ void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value); void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap, bool persistent); +void bdrv_dirty_bitmap_set_qmp_locked(BdrvDirtyBitmap *bitmap, bool qmp_locked); + /* Functions that require manual locking. */ void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap); @@ -87,10 +90,14 @@ bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap); bool bdrv_has_readonly_bitmaps(BlockDriverState *bs); bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap); bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap); +bool bdrv_dirty_bitmap_qmp_locked(BdrvDirtyBitmap *bitmap); bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs); BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp); int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start); +BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BlockDriverState *bs, + BdrvDirtyBitmap *bitmap, + Error **errp); #endif diff --git a/include/migration/misc.h b/include/migration/misc.h index 77fd4f587c..4ebf24c6c2 100644 --- a/include/migration/misc.h +++ b/include/migration/misc.h @@ -56,4 +56,7 @@ bool migration_has_failed(MigrationState *); bool migration_in_postcopy_after_devices(MigrationState *); void migration_global_dump(Monitor *mon); +/* migration/block-dirty-bitmap.c */ +void dirty_bitmap_mig_init(void); + #endif diff --git a/include/migration/register.h b/include/migration/register.h index f4f7bdc177..f6f12f9b1a 100644 --- a/include/migration/register.h +++ b/include/migration/register.h @@ -26,6 +26,15 @@ typedef struct SaveVMHandlers { bool (*is_active)(void *opaque); bool (*has_postcopy)(void *opaque); + /* is_active_iterate + * If it is not NULL then qemu_savevm_state_iterate will skip iteration if + * it returns false. For example, it is needed for only-postcopy-states, + * which needs to be handled by qemu_savevm_state_setup and + * qemu_savevm_state_pending, but do not need iterations until not in + * postcopy stage. + */ + bool (*is_active_iterate)(void *opaque); + /* This runs outside the iothread lock in the migration case, and * within the lock in the savevm case. The callback had better only * use data that is local to the migration thread or protected @@ -37,8 +46,21 @@ typedef struct SaveVMHandlers { int (*save_setup)(QEMUFile *f, void *opaque); void (*save_live_pending)(QEMUFile *f, void *opaque, uint64_t threshold_size, - uint64_t *non_postcopiable_pending, - uint64_t *postcopiable_pending); + uint64_t *res_precopy_only, + uint64_t *res_compatible, + uint64_t *res_postcopy_only); + /* Note for save_live_pending: + * - res_precopy_only is for data which must be migrated in precopy phase + * or in stopped state, in other words - before target vm start + * - res_compatible is for data which may be migrated in any phase + * - res_postcopy_only is for data which must be migrated in postcopy phase + * or in stopped state, in other words - after source vm stop + * + * Sum of res_postcopy_only, res_compatible and res_postcopy_only is the + * whole amount of pending data. + */ + + LoadStateHandler *load_state; int (*load_setup)(QEMUFile *f, void *opaque); int (*load_cleanup)(void *opaque); |