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| author | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2016-10-13 17:58:28 -0400 |
|---|---|---|
| committer | Max Reitz <mreitz@redhat.com> | 2016-10-24 17:56:07 +0200 |
| commit | 882c36f5902a28125e1f98ded74e1a0b3e05e342 (patch) | |
| tree | 4b47d22426e586367518d90aa5e686109bb12c38 | |
| parent | 8258888e222ff03bf791d81a0001cdc40b878de4 (diff) | |
| download | qemu-882c36f5902a28125e1f98ded74e1a0b3e05e342.zip | |
block: BdrvDirtyBitmap serialization interface
Several functions to provide necessary access to BdrvDirtyBitmap for
block-migration.c
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
[Add the "finish" parameters. - Fam]
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: John Snow <jsnow@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: John Snow <jsnow@redhat.com>
Message-id: 1476395910-8697-9-git-send-email-jsnow@redhat.com
Signed-off-by: Max Reitz <mreitz@redhat.com>
| -rw-r--r-- | block/dirty-bitmap.c | 37 | ||||
| -rw-r--r-- | include/block/dirty-bitmap.h | 14 |
2 files changed, 51 insertions, 0 deletions
diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 31d5296ef7..384146bbf3 100644 --- a/block/dirty-bitmap.c +++ b/block/dirty-bitmap.c @@ -453,6 +453,43 @@ void bdrv_undo_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap, HBitmap *in) hbitmap_free(tmp); } +uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count) +{ + return hbitmap_serialization_size(bitmap->bitmap, start, count); +} + +uint64_t bdrv_dirty_bitmap_serialization_align(const BdrvDirtyBitmap *bitmap) +{ + return hbitmap_serialization_granularity(bitmap->bitmap); +} + +void bdrv_dirty_bitmap_serialize_part(const BdrvDirtyBitmap *bitmap, + uint8_t *buf, uint64_t start, + uint64_t count) +{ + hbitmap_serialize_part(bitmap->bitmap, buf, start, count); +} + +void bdrv_dirty_bitmap_deserialize_part(BdrvDirtyBitmap *bitmap, + uint8_t *buf, uint64_t start, + uint64_t count, bool finish) +{ + hbitmap_deserialize_part(bitmap->bitmap, buf, start, count, finish); +} + +void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count, + bool finish) +{ + hbitmap_deserialize_zeroes(bitmap->bitmap, start, count, finish); +} + +void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap) +{ + hbitmap_deserialize_finish(bitmap->bitmap); +} + void bdrv_set_dirty(BlockDriverState *bs, int64_t cur_sector, int64_t nr_sectors) { diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index c4e7858a62..efc2965d35 100644 --- a/include/block/dirty-bitmap.h +++ b/include/block/dirty-bitmap.h @@ -55,4 +55,18 @@ void bdrv_set_dirty_iter(BdrvDirtyBitmapIter *hbi, int64_t sector_num); int64_t bdrv_get_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 |