1ebab2259SFam Zheng #ifndef BLOCK_DIRTY_BITMAP_H 2ebab2259SFam Zheng #define BLOCK_DIRTY_BITMAP_H 3ebab2259SFam Zheng 4ebab2259SFam Zheng #include "qemu-common.h" 5ebab2259SFam Zheng #include "qemu/hbitmap.h" 6ebab2259SFam Zheng 7ebab2259SFam Zheng BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs, 8ebab2259SFam Zheng uint32_t granularity, 9ebab2259SFam Zheng const char *name, 10ebab2259SFam Zheng Error **errp); 11fb933437SFam Zheng void bdrv_create_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap, 12fb933437SFam Zheng int chunk_size); 13fb933437SFam Zheng void bdrv_release_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap); 14ebab2259SFam Zheng int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs, 15ebab2259SFam Zheng BdrvDirtyBitmap *bitmap, 16ebab2259SFam Zheng Error **errp); 17ebab2259SFam Zheng BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs, 18ebab2259SFam Zheng BdrvDirtyBitmap *bitmap, 19ebab2259SFam Zheng Error **errp); 20ebab2259SFam Zheng BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs, 21ebab2259SFam Zheng BdrvDirtyBitmap *bitmap, 22ebab2259SFam Zheng Error **errp); 23ebab2259SFam Zheng BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs, 24ebab2259SFam Zheng const char *name); 25ebab2259SFam Zheng void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap); 26ebab2259SFam Zheng void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap); 27ebab2259SFam Zheng void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs); 28ebab2259SFam Zheng void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap); 29ebab2259SFam Zheng void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap); 30ebab2259SFam Zheng BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs); 31ebab2259SFam Zheng uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs); 32ebab2259SFam Zheng uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap); 33ebab2259SFam Zheng bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap); 34ebab2259SFam Zheng bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap); 3515891facSFam Zheng const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap); 3615891facSFam Zheng int64_t bdrv_dirty_bitmap_size(const BdrvDirtyBitmap *bitmap); 37ebab2259SFam Zheng DirtyBitmapStatus bdrv_dirty_bitmap_status(BdrvDirtyBitmap *bitmap); 38ebab2259SFam Zheng int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap, 39ebab2259SFam Zheng int64_t sector); 40ebab2259SFam Zheng void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap, 416d078599SDenis V. Lunev int64_t cur_sector, int64_t nr_sectors); 42ebab2259SFam Zheng void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap, 436d078599SDenis V. Lunev int64_t cur_sector, int64_t nr_sectors); 44fb933437SFam Zheng int bdrv_dirty_bitmap_get_meta(BlockDriverState *bs, 45fb933437SFam Zheng BdrvDirtyBitmap *bitmap, int64_t sector, 46fb933437SFam Zheng int nb_sectors); 47fb933437SFam Zheng void bdrv_dirty_bitmap_reset_meta(BlockDriverState *bs, 48fb933437SFam Zheng BdrvDirtyBitmap *bitmap, int64_t sector, 49fb933437SFam Zheng int nb_sectors); 50dc162c8eSFam Zheng BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap, 51dc162c8eSFam Zheng uint64_t first_sector); 52dc162c8eSFam Zheng void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter); 53dc162c8eSFam Zheng int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter); 54dc162c8eSFam Zheng void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t sector_num); 55ebab2259SFam Zheng int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); 56ebab2259SFam Zheng void bdrv_dirty_bitmap_truncate(BlockDriverState *bs); 57ebab2259SFam Zheng 58*882c36f5SVladimir Sementsov-Ogievskiy uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap, 59*882c36f5SVladimir Sementsov-Ogievskiy uint64_t start, uint64_t count); 60*882c36f5SVladimir Sementsov-Ogievskiy uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap); 61*882c36f5SVladimir Sementsov-Ogievskiy void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap, 62*882c36f5SVladimir Sementsov-Ogievskiy uint8_t *buf, uint64_t start, 63*882c36f5SVladimir Sementsov-Ogievskiy uint64_t count); 64*882c36f5SVladimir Sementsov-Ogievskiy void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap, 65*882c36f5SVladimir Sementsov-Ogievskiy uint8_t *buf, uint64_t start, 66*882c36f5SVladimir Sementsov-Ogievskiy uint64_t count, bool finish); 67*882c36f5SVladimir Sementsov-Ogievskiy void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, 68*882c36f5SVladimir Sementsov-Ogievskiy uint64_t start, uint64_t count, 69*882c36f5SVladimir Sementsov-Ogievskiy bool finish); 70*882c36f5SVladimir Sementsov-Ogievskiy void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); 71*882c36f5SVladimir Sementsov-Ogievskiy 72ebab2259SFam Zheng #endif 73