From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:40383) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QdxRz-000843-2H for qemu-devel@nongnu.org; Tue, 05 Jul 2011 00:41:32 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1QdxRy-0000SQ-1m for qemu-devel@nongnu.org; Tue, 05 Jul 2011 00:41:31 -0400 Received: from mail-gw0-f47.google.com ([74.125.83.47]:63915) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1QdxRx-0000SD-TW for qemu-devel@nongnu.org; Tue, 05 Jul 2011 00:41:30 -0400 Received: by gwb11 with SMTP id 11so2866124gwb.34 for ; Mon, 04 Jul 2011 21:41:29 -0700 (PDT) From: Devin Nakamura Date: Tue, 5 Jul 2011 00:41:22 -0400 Message-Id: <1309840884-32409-3-git-send-email-devin122@gmail.com> In-Reply-To: <1309840884-32409-1-git-send-email-devin122@gmail.com> References: <1309840884-32409-1-git-send-email-devin122@gmail.com> Subject: [Qemu-devel] [PATCH 3/5] block: add bdrv_get_mapping() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Signed-off-by: Devin Nakamura --- block.c | 12 ++++++++++++ block.h | 2 ++ 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/block.c b/block.c index e7699a6..302b0d5 100644 --- a/block.c +++ b/block.c @@ -3037,3 +3037,15 @@ int bdrv_open_conversion_target(BlockDriverState **bs, (*bs)->opaque = qemu_malloc(drv->instance_size); return drv->bdrv_open_conversion_target(*bs, filename, options); } + +int bdrv_get_mapping(BlockDriverState *bs, uint64_t *guest_offset, + uint64_t *host_offset, uint64_t *contiguous_bytes) +{ + BlockDriver *drv = bs->drv; + if (!drv) + return -ENOMEDIUM; + if (!drv->bdrv_get_mapping) + return -ENOTSUP; + return drv->bdrv_get_mapping(bs, guest_offset, host_offset, + contiguous_bytes); +} diff --git a/block.h b/block.h index da87afb..8207389 100644 --- a/block.h +++ b/block.h @@ -252,6 +252,8 @@ int bdrv_in_use(BlockDriverState *bs); int bdrv_open_conversion_target(BlockDriverState **bs, char *filename, char *target_fmt, QEMUOptionParameter *options); +int bdrv_get_mapping(BlockDriverState *bs, uint64_t *guest_offset, + uint64_t *host_offset, uint64_t *contiguous_bytes); typedef enum { BLKDBG_L1_UPDATE, -- 1.7.6.rc1