2016-03-08 04:44:55 +00:00
|
|
|
#ifndef BLOCK_DIRTY_BITMAP_H
|
|
|
|
#define BLOCK_DIRTY_BITMAP_H
|
|
|
|
|
2018-02-11 09:36:01 +00:00
|
|
|
#include "qapi/qapi-types-block-core.h"
|
2016-03-08 04:44:55 +00:00
|
|
|
#include "qemu/hbitmap.h"
|
|
|
|
|
2019-03-12 16:05:49 +00:00
|
|
|
typedef enum BitmapCheckFlags {
|
|
|
|
BDRV_BITMAP_BUSY = 1,
|
|
|
|
BDRV_BITMAP_RO = 2,
|
|
|
|
BDRV_BITMAP_INCONSISTENT = 4,
|
|
|
|
} BitmapCheckFlags;
|
|
|
|
|
|
|
|
#define BDRV_BITMAP_DEFAULT (BDRV_BITMAP_BUSY | BDRV_BITMAP_RO | \
|
|
|
|
BDRV_BITMAP_INCONSISTENT)
|
|
|
|
#define BDRV_BITMAP_ALLOW_RO (BDRV_BITMAP_BUSY | BDRV_BITMAP_INCONSISTENT)
|
|
|
|
|
2019-11-14 02:46:33 +00:00
|
|
|
#define BDRV_BITMAP_MAX_NAME_SIZE 1023
|
|
|
|
|
2016-03-08 04:44:55 +00:00
|
|
|
BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs,
|
|
|
|
uint32_t granularity,
|
|
|
|
const char *name,
|
|
|
|
Error **errp);
|
2019-09-16 14:19:09 +00:00
|
|
|
int bdrv_dirty_bitmap_create_successor(BdrvDirtyBitmap *bitmap,
|
2016-03-08 04:44:55 +00:00
|
|
|
Error **errp);
|
2019-09-16 14:19:09 +00:00
|
|
|
BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BdrvDirtyBitmap *bitmap,
|
2016-03-08 04:44:55 +00:00
|
|
|
Error **errp);
|
2019-09-16 14:19:09 +00:00
|
|
|
BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
2016-03-08 04:44:55 +00:00
|
|
|
Error **errp);
|
2018-03-13 19:33:59 +00:00
|
|
|
void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
|
2016-03-08 04:44:55 +00:00
|
|
|
BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
|
|
|
|
const char *name);
|
2019-03-12 16:05:49 +00:00
|
|
|
int bdrv_dirty_bitmap_check(const BdrvDirtyBitmap *bitmap, uint32_t flags,
|
|
|
|
Error **errp);
|
2019-09-16 14:19:09 +00:00
|
|
|
void bdrv_release_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
2016-03-08 04:44:55 +00:00
|
|
|
void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs);
|
2019-09-20 08:25:42 +00:00
|
|
|
int bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name,
|
|
|
|
Error **errp);
|
2016-03-08 04:44:55 +00:00
|
|
|
void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
|
|
|
void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
2018-07-04 06:12:49 +00:00
|
|
|
void bdrv_enable_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap);
|
2016-03-08 04:44:55 +00:00
|
|
|
BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
|
|
|
|
uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
|
2017-06-28 12:05:05 +00:00
|
|
|
uint32_t bdrv_dirty_bitmap_granularity(const BdrvDirtyBitmap *bitmap);
|
2016-03-08 04:44:55 +00:00
|
|
|
bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap);
|
2019-03-12 16:05:48 +00:00
|
|
|
bool bdrv_dirty_bitmap_has_successor(BdrvDirtyBitmap *bitmap);
|
2016-10-13 21:58:25 +00:00
|
|
|
const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap);
|
|
|
|
int64_t bdrv_dirty_bitmap_size(const BdrvDirtyBitmap *bitmap);
|
2016-03-08 04:44:55 +00:00
|
|
|
DirtyBitmapStatus bdrv_dirty_bitmap_status(BdrvDirtyBitmap *bitmap);
|
|
|
|
void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:20 +00:00
|
|
|
int64_t offset, int64_t bytes);
|
2016-03-08 04:44:55 +00:00
|
|
|
void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:20 +00:00
|
|
|
int64_t offset, int64_t bytes);
|
2017-09-25 14:55:16 +00:00
|
|
|
BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap);
|
2016-10-13 21:58:21 +00:00
|
|
|
void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter);
|
2016-03-08 04:44:55 +00:00
|
|
|
|
2016-10-13 21:58:28 +00:00
|
|
|
uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:14 +00:00
|
|
|
uint64_t offset, uint64_t bytes);
|
2016-10-13 21:58:28 +00:00
|
|
|
uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap);
|
|
|
|
void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:14 +00:00
|
|
|
uint8_t *buf, uint64_t offset,
|
|
|
|
uint64_t bytes);
|
2016-10-13 21:58:28 +00:00
|
|
|
void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:14 +00:00
|
|
|
uint8_t *buf, uint64_t offset,
|
|
|
|
uint64_t bytes, bool finish);
|
2016-10-13 21:58:28 +00:00
|
|
|
void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:14 +00:00
|
|
|
uint64_t offset, uint64_t bytes,
|
2016-10-13 21:58:28 +00:00
|
|
|
bool finish);
|
2017-06-28 12:05:06 +00:00
|
|
|
void bdrv_dirty_bitmap_deserialize_ones(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:14 +00:00
|
|
|
uint64_t offset, uint64_t bytes,
|
2017-06-28 12:05:06 +00:00
|
|
|
bool finish);
|
2016-10-13 21:58:28 +00:00
|
|
|
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
|
|
|
|
|
2017-06-28 12:05:10 +00:00
|
|
|
void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value);
|
2019-03-12 16:05:49 +00:00
|
|
|
void bdrv_dirty_bitmap_set_persistence(BdrvDirtyBitmap *bitmap,
|
2017-06-28 12:05:17 +00:00
|
|
|
bool persistent);
|
2019-03-12 16:05:49 +00:00
|
|
|
void bdrv_dirty_bitmap_set_inconsistent(BdrvDirtyBitmap *bitmap);
|
2019-03-12 16:05:48 +00:00
|
|
|
void bdrv_dirty_bitmap_set_busy(BdrvDirtyBitmap *bitmap, bool busy);
|
2018-06-11 18:53:32 +00:00
|
|
|
void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap *src,
|
2018-10-29 20:23:15 +00:00
|
|
|
HBitmap **backup, Error **errp);
|
2019-07-29 20:35:54 +00:00
|
|
|
void bdrv_dirty_bitmap_skip_store(BdrvDirtyBitmap *bitmap, bool skip);
|
2019-07-29 20:35:53 +00:00
|
|
|
bool bdrv_dirty_bitmap_get(BdrvDirtyBitmap *bitmap, int64_t offset);
|
2017-06-28 12:05:10 +00:00
|
|
|
|
2017-06-05 12:39:05 +00:00
|
|
|
/* Functions that require manual locking. */
|
|
|
|
void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
|
|
|
|
void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap);
|
2019-07-29 20:35:53 +00:00
|
|
|
bool bdrv_dirty_bitmap_get_locked(BdrvDirtyBitmap *bitmap, int64_t offset);
|
2017-06-05 12:39:05 +00:00
|
|
|
void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:20 +00:00
|
|
|
int64_t offset, int64_t bytes);
|
2017-06-05 12:39:05 +00:00
|
|
|
void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
|
2017-09-25 14:55:20 +00:00
|
|
|
int64_t offset, int64_t bytes);
|
2017-06-05 12:39:05 +00:00
|
|
|
int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
|
2017-09-25 14:55:16 +00:00
|
|
|
void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t offset);
|
2017-06-05 12:39:05 +00:00
|
|
|
int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
|
2017-09-25 14:55:11 +00:00
|
|
|
void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes);
|
2017-06-28 12:05:10 +00:00
|
|
|
bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap);
|
|
|
|
bool bdrv_has_readonly_bitmaps(BlockDriverState *bs);
|
2017-06-28 12:05:15 +00:00
|
|
|
bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
|
2019-03-12 16:05:49 +00:00
|
|
|
bool bdrv_dirty_bitmap_get_persistence(BdrvDirtyBitmap *bitmap);
|
2019-03-12 16:05:49 +00:00
|
|
|
bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap);
|
2019-09-16 14:19:11 +00:00
|
|
|
|
|
|
|
BdrvDirtyBitmap *bdrv_dirty_bitmap_first(BlockDriverState *bs);
|
|
|
|
BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BdrvDirtyBitmap *bitmap);
|
|
|
|
#define FOR_EACH_DIRTY_BITMAP(bs, bitmap) \
|
|
|
|
for (bitmap = bdrv_dirty_bitmap_first(bs); bitmap; \
|
|
|
|
bitmap = bdrv_dirty_bitmap_next(bitmap))
|
|
|
|
|
2017-06-28 12:05:25 +00:00
|
|
|
char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp);
|
2020-02-05 11:20:37 +00:00
|
|
|
int64_t bdrv_dirty_bitmap_next_dirty(BdrvDirtyBitmap *bitmap, int64_t offset,
|
|
|
|
int64_t bytes);
|
2020-02-05 11:20:36 +00:00
|
|
|
int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, int64_t offset,
|
|
|
|
int64_t bytes);
|
2019-01-15 23:26:50 +00:00
|
|
|
bool bdrv_dirty_bitmap_next_dirty_area(BdrvDirtyBitmap *bitmap,
|
2020-02-05 11:20:38 +00:00
|
|
|
int64_t start, int64_t end, int64_t max_dirty_count,
|
|
|
|
int64_t *dirty_start, int64_t *dirty_count);
|
2019-09-16 14:19:09 +00:00
|
|
|
BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
|
2018-03-13 19:34:00 +00:00
|
|
|
Error **errp);
|
2017-06-05 12:39:05 +00:00
|
|
|
|
2016-03-08 04:44:55 +00:00
|
|
|
#endif
|