From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:53459) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bO9iH-0002TB-7y for qemu-devel@nongnu.org; Fri, 15 Jul 2016 16:27:58 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bO9iE-0006s8-Me for qemu-devel@nongnu.org; Fri, 15 Jul 2016 16:27:57 -0400 From: John Snow Date: Fri, 15 Jul 2016 16:27:39 -0400 Message-Id: <1468614461-28807-9-git-send-email-jsnow@redhat.com> In-Reply-To: <1468614461-28807-1-git-send-email-jsnow@redhat.com> References: <1468614461-28807-1-git-send-email-jsnow@redhat.com> Subject: [Qemu-devel] [PATCH v6 08/10] block: BdrvDirtyBitmap serialization interface List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-block@nongnu.org Cc: vsementsov@virtuozzo.com, famz@redhat.com, qemu-devel@nongnu.org, mreitz@redhat.com, John Snow From: Vladimir Sementsov-Ogievskiy Several functions to provide necessary access to BdrvDirtyBitmap for block-migration.c Signed-off-by: Vladimir Sementsov-Ogievskiy [Add the "finish" parameters. - Fam] Signed-off-by: Fam Zheng Reviewed-by: John Snow Signed-off-by: John Snow --- block/dirty-bitmap.c | 37 +++++++++++++++++++++++++++++++++++++ include/block/dirty-bitmap.h | 14 ++++++++++++++ 2 files changed, 51 insertions(+) diff --git a/block/dirty-bitmap.c b/block/dirty-bitmap.c index 39e072a..8113090 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, int nr_sectors) { diff --git a/include/block/dirty-bitmap.h b/include/block/dirty-bitmap.h index caa4d82..40a09c0 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 -- 2.7.4