#ifndef BLOCK_DIRTY_BITMAP_H
#define BLOCK_DIRTY_BITMAP_H
-#include "qemu-common.h"
#include "qapi/qapi-types-block-core.h"
#include "qemu/hbitmap.h"
+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)
+
+#define BDRV_BITMAP_MAX_NAME_SIZE 1023
+
+bool bdrv_supports_persistent_dirty_bitmap(BlockDriverState *bs);
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,
+int bdrv_dirty_bitmap_create_successor(BdrvDirtyBitmap *bitmap,
Error **errp);
-BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BlockDriverState *bs,
- BdrvDirtyBitmap *bitmap,
+BdrvDirtyBitmap *bdrv_dirty_bitmap_abdicate(BdrvDirtyBitmap *bitmap,
Error **errp);
-BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BlockDriverState *bs,
- BdrvDirtyBitmap *bitmap,
+BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap(BdrvDirtyBitmap *bitmap,
Error **errp);
void bdrv_dirty_bitmap_enable_successor(BdrvDirtyBitmap *bitmap);
BdrvDirtyBitmap *bdrv_find_dirty_bitmap(BlockDriverState *bs,
const char *name);
-void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
+int bdrv_dirty_bitmap_check(const BdrvDirtyBitmap *bitmap, uint32_t flags,
+ Error **errp);
+void bdrv_release_dirty_bitmap(BdrvDirtyBitmap *bitmap);
void bdrv_release_named_dirty_bitmaps(BlockDriverState *bs);
-void bdrv_release_persistent_dirty_bitmaps(BlockDriverState *bs);
-void bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs,
- const char *name,
- Error **errp);
+int bdrv_remove_persistent_dirty_bitmap(BlockDriverState *bs, const char *name,
+ Error **errp);
void bdrv_disable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
void bdrv_enable_dirty_bitmap(BdrvDirtyBitmap *bitmap);
+void bdrv_enable_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap);
BlockDirtyInfoList *bdrv_query_dirty_bitmaps(BlockDriverState *bs);
uint32_t bdrv_get_default_bitmap_granularity(BlockDriverState *bs);
uint32_t bdrv_dirty_bitmap_granularity(const BdrvDirtyBitmap *bitmap);
bool bdrv_dirty_bitmap_enabled(BdrvDirtyBitmap *bitmap);
-bool bdrv_dirty_bitmap_frozen(BdrvDirtyBitmap *bitmap);
+bool bdrv_dirty_bitmap_has_successor(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);
void bdrv_set_dirty_bitmap(BdrvDirtyBitmap *bitmap,
int64_t offset, int64_t bytes);
void bdrv_reset_dirty_bitmap(BdrvDirtyBitmap *bitmap,
int64_t offset, int64_t bytes);
-BdrvDirtyBitmapIter *bdrv_dirty_meta_iter_new(BdrvDirtyBitmap *bitmap);
BdrvDirtyBitmapIter *bdrv_dirty_iter_new(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_iter_free(BdrvDirtyBitmapIter *iter);
uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap,
uint64_t offset, uint64_t bytes);
uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap);
+uint64_t bdrv_dirty_bitmap_serialization_coverage(int serialized_chunk_size,
+ const BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap,
uint8_t *buf, uint64_t offset,
uint64_t bytes);
void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_set_readonly(BdrvDirtyBitmap *bitmap, bool value);
-void bdrv_dirty_bitmap_set_persistance(BdrvDirtyBitmap *bitmap,
+void bdrv_dirty_bitmap_set_persistence(BdrvDirtyBitmap *bitmap,
bool persistent);
-void bdrv_dirty_bitmap_set_qmp_locked(BdrvDirtyBitmap *bitmap, bool qmp_locked);
+void bdrv_dirty_bitmap_set_inconsistent(BdrvDirtyBitmap *bitmap);
+void bdrv_dirty_bitmap_set_busy(BdrvDirtyBitmap *bitmap, bool busy);
void bdrv_merge_dirty_bitmap(BdrvDirtyBitmap *dest, const BdrvDirtyBitmap *src,
- Error **errp);
+ HBitmap **backup, Error **errp);
+void bdrv_dirty_bitmap_skip_store(BdrvDirtyBitmap *bitmap, bool skip);
+bool bdrv_dirty_bitmap_get(BdrvDirtyBitmap *bitmap, int64_t offset);
/* Functions that require manual locking. */
void bdrv_dirty_bitmap_lock(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_unlock(BdrvDirtyBitmap *bitmap);
-bool bdrv_get_dirty_locked(BlockDriverState *bs, BdrvDirtyBitmap *bitmap,
- int64_t offset);
+bool bdrv_dirty_bitmap_get_locked(BdrvDirtyBitmap *bitmap, int64_t offset);
void bdrv_set_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
int64_t offset, int64_t bytes);
void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
int64_t offset, int64_t bytes);
int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
-bool bdrv_dirty_iter_next_area(BdrvDirtyBitmapIter *iter, uint64_t max_offset,
- uint64_t *offset, int *bytes);
void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t offset);
int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap);
-int64_t bdrv_get_meta_dirty_count(BdrvDirtyBitmap *bitmap);
void bdrv_dirty_bitmap_truncate(BlockDriverState *bs, int64_t bytes);
bool bdrv_dirty_bitmap_readonly(const BdrvDirtyBitmap *bitmap);
bool bdrv_has_readonly_bitmaps(BlockDriverState *bs);
+bool bdrv_has_named_bitmaps(BlockDriverState *bs);
bool bdrv_dirty_bitmap_get_autoload(const BdrvDirtyBitmap *bitmap);
-bool bdrv_dirty_bitmap_get_persistance(BdrvDirtyBitmap *bitmap);
-bool bdrv_dirty_bitmap_qmp_locked(BdrvDirtyBitmap *bitmap);
-bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
-BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
- BdrvDirtyBitmap *bitmap);
+bool bdrv_dirty_bitmap_get_persistence(BdrvDirtyBitmap *bitmap);
+bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap);
+
+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))
+
char *bdrv_dirty_bitmap_sha256(const BdrvDirtyBitmap *bitmap, Error **errp);
-int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, uint64_t start);
-BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BlockDriverState *bs,
- BdrvDirtyBitmap *bitmap,
+int64_t bdrv_dirty_bitmap_next_dirty(BdrvDirtyBitmap *bitmap, int64_t offset,
+ int64_t bytes);
+int64_t bdrv_dirty_bitmap_next_zero(BdrvDirtyBitmap *bitmap, int64_t offset,
+ int64_t bytes);
+bool bdrv_dirty_bitmap_next_dirty_area(BdrvDirtyBitmap *bitmap,
+ int64_t start, int64_t end, int64_t max_dirty_count,
+ int64_t *dirty_start, int64_t *dirty_count);
+BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
Error **errp);
#endif
projects / mirror_qemu.git / blobdiff