6d3f4049ba
Callers can create an iterator of meta bitmap with bdrv_dirty_meta_iter_new(), then use the bdrv_dirty_iter_* operations on it. Meta iterators are also counted by bitmap->active_iterators. Also add a couple of functions to retrieve granularity and count. Signed-off-by: Fam Zheng <famz@redhat.com> Reviewed-by: Max Reitz <mreitz@redhat.com> Signed-off-by: John Snow <jsnow@redhat.com> Message-id: 1476395910-8697-11-git-send-email-jsnow@redhat.com Signed-off-by: Max Reitz <mreitz@redhat.com>
76 lines
4.2 KiB
C
76 lines
4.2 KiB
C
#ifndef BLOCK_DIRTY_BITMAP_H
|
|
#define BLOCK_DIRTY_BITMAP_H
|
|
|
|
#include "qemu-common.h"
|
|
#include "qemu/hbitmap.h"
|
|
|
|
BdrvDirtyBitmap *bdrv_create_dirty_bitmap(BlockDriverState *bs,
|
|
uint32_t granularity,
|
|
const char *name,
|
|
Error **errp);
|
|
void bdrv_create_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
|
int chunk_size);
|
|
void bdrv_release_meta_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
|
int bdrv_dirty_bitmap_create_successor(BlockDriverState *bs,
|
|
BdrvDirtyBitmap *bitmap,
|
|
Error **errp);
|
|
BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
|
|
BdrvDirtyBitmap *bitmap,
|
|
Error **errp);
|
|
BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs,
|
|
BdrvDirtyBitmap *bitmap,
|
|
Error **errp);
|
|
BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
|
|
const char *name);
|
|
void bdrv_dirty_bitmap_make_anon(BdrvDirtyBitmap *bitmap);
|
|
void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
|
|
void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs);
|
|
void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
|
void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
|
|
BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
|
|
uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
|
|
uint32_t bdrv_dirty_bitmap_granularity(BdrvDirtyBitmap *bitmap);
|
|
uint32_t bdrv_dirty_bitmap_meta_granularity(BdrvDirtyBitmap *bitmap);
|
|
bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap);
|
|
bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap);
|
|
const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap);
|
|
int64_t bdrv_dirty_bitmap_size(const BdrvDirtyBitmap *bitmap);
|
|
DirtyBitmapStatus bdrv_dirty_bitmap_status(BdrvDirtyBitmap *bitmap);
|
|
int bdrv_get_dirty(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
|
|
int64_t sector);
|
|
void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
|
int64_t cur_sector, int64_t nr_sectors);
|
|
void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
|
|
int64_t cur_sector, int64_t nr_sectors);
|
|
int bdrv_dirty_bitmap_get_meta(BlockDriverState *bs,
|
|
BdrvDirtyBitmap *bitmap, int64_t sector,
|
|
int nb_sectors);
|
|
void bdrv_dirty_bitmap_reset_meta(BlockDriverState *bs,
|
|
BdrvDirtyBitmap *bitmap, int64_t sector,
|
|
int nb_sectors);
|
|
BdrvDirtyBitmapIter *bdrv_dirty_meta_iter_new(BdrvDirtyBitmap *bitmap);
|
|
BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap,
|
|
uint64_t first_sector);
|
|
void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter);
|
|
int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
|
|
void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t sector_num);
|
|
int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
|
|
int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap);
|
|
void bdrv_dirty_bitmap_truncate(BlockDriverState *bs);
|
|
|
|
uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
|
|
uint64_t start, uint64_t count);
|
|
uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap);
|
|
void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
|
|
uint8_t *buf, uint64_t start,
|
|
uint64_t count);
|
|
void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap,
|
|
uint8_t *buf, uint64_t start,
|
|
uint64_t count, bool finish);
|
|
void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap,
|
|
uint64_t start, uint64_t count,
|
|
bool finish);
|
|
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
|
|
|
|
#endif
|