From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55863) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwXkv-0004w0-PV for qemu-devel@nongnu.org; Wed, 11 Nov 2015 10:57:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ZwXiZ-0003Ch-8U for qemu-devel@nongnu.org; Wed, 11 Nov 2015 10:56:17 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:36687 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ZwXiY-00037z-RC for qemu-devel@nongnu.org; Wed, 11 Nov 2015 10:53:51 -0500 From: Vladimir Sementsov-Ogievskiy Date: Wed, 11 Nov 2015 18:16:32 +0300 Message-Id: <1447255003-2043-3-git-send-email-vsementsov@virtuozzo.com> In-Reply-To: <1447255003-2043-1-git-send-email-vsementsov@virtuozzo.com> References: <1447255003-2043-1-git-send-email-vsementsov@virtuozzo.com> Subject: [Qemu-devel] [PATCH 02/13] block: BdrvDirtyBitmap serialization interface List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, peter.maydell@linaro.org, vsementsov@virtuozzo.com, quintela@redhat.com, dgilbert@redhat.com, stefanha@redhat.com, pbonzini@redhat.com, amit.shah@redhat.com, den@openvz.org, jsnow@redhat.com Several functions to provide necessary access to BdrvDirtyBitmap for block-migration.c Signed-off-by: Vladimir Sementsov-Ogievskiy --- block.c | 36 ++++++++++++++++++++++++++++++++++++ include/block/block.h | 13 +++++++++++++ 2 files changed, 49 insertions(+) diff --git a/block.c b/block.c index e9f40dc..70106b8 100644 --- a/block.c +++ b/block.c @@ -3405,6 +3405,42 @@ void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap) hbitmap_reset_all(bitmap->bitmap); } +const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap) +{ + return bitmap->name; +} + +uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count) +{ + return hbitmap_serialization_size(bitmap->bitmap, start, count); +} + +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) +{ + hbitmap_deserialize_part(bitmap->bitmap, buf, start, count); +} + +void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count) +{ + hbitmap_deserialize_zeroes(bitmap->bitmap, start, count); +} + +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/block.h b/include/block/block.h index 610db92..5b9c2d6 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -498,6 +498,19 @@ void bdrv_dirty_iter_init(BdrvDirtyBitmap *bitmap, struct HBitmapIter *hbi); void bdrv_set_dirty_iter(struct HBitmapIter *hbi, int64_t offset); int64_t bdrv_get_dirty_count(BdrvDirtyBitmap *bitmap); +const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap); +uint64_t bdrv_dirty_bitmap_serialization_size(const BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count); +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); +void bdrv_dirty_bitmap_deserialize_zeroes(BdrvDirtyBitmap *bitmap, + uint64_t start, uint64_t count); +void bdrv_dirty_bitmap_deserialize_finish(BdrvDirtyBitmap *bitmap); + void bdrv_enable_copy_on_read(BlockDriverState *bs); void bdrv_disable_copy_on_read(BlockDriverState *bs); -- 2.1.4