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_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap);
28void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
29void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs);
30void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs);
31void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs,
32 const char *name,
33 Error **errp);
34void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
35void bdrv_enable_dirty_bitmap(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);
73
74
75
76void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
77void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap);
78bool bdrv_get_dirty_locked(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
79 int64_t offset);
80void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
81 int64_t offset, int64_t bytes);
82void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
83 int64_t offset, int64_t bytes);
84int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
85void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t offset);
86int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
87int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap);
88void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes);
89bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap);
90bool bdrv_has_readonly_bitmaps(BlockDriverState *bs);
91bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
92bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap);
93bool bdrv_dirty_bitmap_qmp_locked(BdrvDirtyBitmap *bitmap);
94bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
95BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
96 BdrvDirtyBitmap *bitmap);
97char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp);
98int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start);
99BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BlockDriverState *bs,
100 BdrvDirtyBitmap *bitmap,
101 Error **errp);
102
103#endif
104
