From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([140.186.70.92]:46096) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qvib8-0004fN-FW for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:24 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Qvib5-0007Vd-Mh for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:21 -0400 Received: from mail-gw0-f45.google.com ([74.125.83.45]:36557) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Qvib5-0007VN-H6 for qemu-devel@nongnu.org; Tue, 23 Aug 2011 00:28:19 -0400 Received: by gwb19 with SMTP id 19so4126661gwb.4 for ; Mon, 22 Aug 2011 21:28:18 -0700 (PDT) From: Devin Nakamura Date: Tue, 23 Aug 2011 00:27:41 -0400 Message-Id: <1314073663-32691-6-git-send-email-devin122@gmail.com> In-Reply-To: <1314073663-32691-1-git-send-email-devin122@gmail.com> References: <1314073663-32691-1-git-send-email-devin122@gmail.com> Subject: [Qemu-devel] [PATCH V4 5/7] block: add bdrv_get_mapping() List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, Devin Nakamura Signed-off-by: Devin Nakamura --- block.c | 15 +++++++++++++++ block.h | 2 ++ 2 files changed, 17 insertions(+), 0 deletions(-) diff --git a/block.c b/block.c index 5ca396b..ed62c4a 100644 --- a/block.c +++ b/block.c @@ -3320,3 +3320,18 @@ int bdrv_get_conversion_options(BlockDriverState *bs, } return bs->drv->bdrv_get_conversion_options(bs, 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 77e3135..c983d50 100644 --- a/block.h +++ b/block.h @@ -264,6 +264,8 @@ int bdrv_open_conversion_target(BlockDriverState **bs, BlockDriverState *file, QEMUOptionParameter *usr_options, const char *target_fmt, bool force); +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