block: use int64_t instead of uint64_t in driver write handlers

[mirror_qemu.git] / include / block / dirty-bitmap.h

diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h
index 0120ef3f05a6462b02271013b3a01280f7718dee..40950ae3d589dba544cfff99380159ce03bf59f6 100644 (file)
--- a/include/block/dirty-bitmap.h
+++ b/include/block/dirty-bitmap.h
@@ -14,32 +14,28 @@ typedef enum BitmapCheckFlags {
                              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);
 int bdrv_dirty_bitmap_check(const BdrvDirtyBitmap *bitmap, uint32_t flags,
                             Error **errp);
-void bdrv_release_dirty_bitmap(BlockDriverState *bs, BdrvDirtyBitmap *bitmap);
+void bdrv_release_dirty_bitmap(BdrvDirtyBitmap *bitmap);
 void bdrv_release_named_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);
@@ -50,18 +46,18 @@ bool bdrv_dirty_bitmap_enabled(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);
@@ -83,7 +79,7 @@ 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,
                              HBitmap **backup, Error **errp);
-void bdrv_dirty_bitmap_set_migration(BdrvDirtyBitmap *bitmap, bool migration);
+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.  */
@@ -97,23 +93,29 @@ void bdrv_reset_dirty_bitmap_locked(BdrvDirtyBitmap *bitmap,
 int64_t bdrv_dirty_iter_next(BdrvDirtyBitmapIter *iter);
 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_persistence(BdrvDirtyBitmap *bitmap);
 bool bdrv_dirty_bitmap_inconsistent(const BdrvDirtyBitmap *bitmap);
-bool bdrv_has_changed_persistent_bitmaps(BlockDriverState *bs);
-BdrvDirtyBitmap *bdrv_dirty_bitmap_next(BlockDriverState *bs,
-                                        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 offset,
-                                    uint64_t bytes);
+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,
-                                       uint64_t *offset, uint64_t *bytes);
-BdrvDirtyBitmap *bdrv_reclaim_dirty_bitmap_locked(BlockDriverState *bs,
-                                                  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