From patchwork Fri Feb 27 17:24:40 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vladimir Sementsov-Ogievskiy X-Patchwork-Id: 444396 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id AFF5714007F for ; Sat, 28 Feb 2015 05:16:55 +1100 (AEDT) Received: from localhost ([::1]:38066 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YRPT3-0006D2-MH for incoming@patchwork.ozlabs.org; Fri, 27 Feb 2015 13:16:53 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39036) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YRPPq-0007X0-Ux for qemu-devel@nongnu.org; Fri, 27 Feb 2015 13:13:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YRPPq-0007jc-33 for qemu-devel@nongnu.org; Fri, 27 Feb 2015 13:13:34 -0500 Received: from mailhub.sw.ru ([195.214.232.25]:25787 helo=relay.sw.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YRPPp-0006AA-N3 for qemu-devel@nongnu.org; Fri, 27 Feb 2015 13:13:34 -0500 Received: from kvm.sw.ru ([10.30.22.153]) by relay.sw.ru (8.13.4/8.13.4) with ESMTP id t1RHPQrS032420; Fri, 27 Feb 2015 20:25:26 +0300 (MSK) From: Vladimir Sementsov-Ogievskiy To: qemu-devel@nongnu.org Date: Fri, 27 Feb 2015 20:24:40 +0300 Message-Id: <1425057891-29848-3-git-send-email-vsementsov@parallels.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1425057891-29848-1-git-send-email-vsementsov@parallels.com> References: <1425057891-29848-1-git-send-email-vsementsov@parallels.com> X-detected-operating-system: by eggs.gnu.org: OpenBSD 3.x X-Received-From: 195.214.232.25 Cc: kwolf@redhat.com, peter.maydell@linaro.org, quintela@redhat.com, dgilbert@redhat.com, vsementsov@parallels.com, stefanha@redhat.com, den@openvz.org, amit.shah@redhat.com, pbonzini@redhat.com Subject: [Qemu-devel] [PATCH RFC v4 02/13] block: BdrvDirtyBitmap serialization interface X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Several functions to provide necessary access to BdrvDirtyBitmap for block-migration.c Reviewed-by: John Snow 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 e4547d7..e95a5ae 100644 --- a/block.c +++ b/block.c @@ -5674,6 +5674,42 @@ void bdrv_clear_dirty_bitmap(BdrvDirtyBitmap *bitmap) hbitmap_reset(bitmap->bitmap, 0, bitmap->size); } +const char *bdrv_dirty_bitmap_name(const BdrvDirtyBitmap *bitmap) +{ + return bitmap->name; +} + +uint64_t bdrv_dirty_bitmap_data_size(const BdrvDirtyBitmap *bitmap, + uint64_t count) +{ + return hbitmap_data_size(bitmap->bitmap, 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); +} + static 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 c9d96a6..c6a928d 100644 --- a/include/block/block.h +++ b/include/block/block.h @@ -474,6 +474,19 @@ 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_data_size(const BdrvDirtyBitmap *bitmap, + 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);