1#ifndef BLOCK_DIRTY_BITMAP_H
2#define BLOCK_DIRTY_BITMAP_H
3
4#include "qemu-common.h"
5#include "qapi/qapi-types-block-core.h"
6#include "qemu/hbitmap.h"
7
8BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs,
9 uint32_t granularity,
10 const char *name,
11 Error **errp);
12void bdrv_create_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap,
13 int chunk_size);
14void bdrv_release_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap);
15int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs,
16 BdrvDirtyBitmap *bitmap,
17 Error **errp);
18BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
19 BdrvDirtyBitmap *bitmap,
20 Error **errp);
21BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs,
22 BdrvDirtyBitmap *bitmap,
23 Error **errp);
24void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
25BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
26 const char *name);
27void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
28void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs);
29void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs);
30void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs,
31 const char *name,
32 Error **errp);
33void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
34void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
35void bdrv_enable_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap);
36BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
37uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
38uint32_t bdrv_dirty_bitmap_granularity(const BdrvDirtyBitmap *bitmap);
39bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap);
40bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap);
41const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap);
42int64_t bdrv_dirty_bitmap_size(const BdrvDirtyBitmap *bitmap);
43DirtyBitmapStatus bdrv_dirty_bitmap_status(BdrvDirtyBitmap *bitmap);
44void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
45 int64_t offset, int64_t bytes);
46void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
47 int64_t offset, int64_t bytes);
48BdrvDirtyBitmapIter *bdrv_dirty_meta_iter_new(BdrvDirtyBitmap *bitmap);
49BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap);
50void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter);
51
52uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
53 uint64_t offset, uint64_t bytes);
54uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap);
55void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
56 uint8_t *buf, uint64_t offset,
57 uint64_t bytes);
58void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
59 uint8_t *buf, uint64_t offset,
60 uint64_t bytes, bool finish);
61void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
62 uint64_t offset, uint64_t bytes,
63 bool finish);
64void bdrv_dirty_bitmap_deserialize_ones(BdrvDirtyBitmap *bitmap,
65 uint64_t offset, uint64_t bytes,
66 bool finish);
67void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
68
69void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value);
70void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap,
71 bool persistent);
72void bdrv_dirty_bitmap_set_qmp_locked(BdrvDirtyBitmap *bitmap, bool qmp_locked);
73void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap *src,
74 Error **errp);
75
76
77void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
78void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap);
79bool bdrv_get_dirty_locked(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
80 int64_t offset);
81void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
82 int64_t offset, int64_t bytes);
83void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
84 int64_t offset, int64_t bytes);
85int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
86bool bdrv_dirty_iter_next_area(BdrvDirtyBitmapIter *iter, uint64_t max_offset,
87 uint64_t *offset, int *bytes);
88void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t offset);
89int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
90int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap);
91void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes);
92bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap);
93bool bdrv_has_readonly_bitmaps(BlockDriverState *bs);
94bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
95bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap);
96bool bdrv_dirty_bitmap_qmp_locked(BdrvDirtyBitmap *bitmap);
97bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
98BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
99 BdrvDirtyBitmap *bitmap);
100char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp);
101int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start);
102BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BlockDriverState *bs,
103 BdrvDirtyBitmap *bitmap,
104 Error **errp);
105
106#endif
107