From patchwork Sat Dec 29 08:45:20 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: [06/11] qmp: add interface query-image Date: Fri, 28 Dec 2012 22:45:20 -0000 From: Wayne Xia X-Patchwork-Id: 208638 Message-Id: <1356770725-4804-7-git-send-email-xiawenc@linux.vnet.ibm.com> To: qemu-devel@nongnu.org Cc: kwolf@redhat.com, aliguori@us.ibm.com, phrdina@redhat.com, stefanha@gmail.com, armbru@redhat.com, lcapitulino@redhat.com, pbonzini@redhat.com, Wenchao Xia This mirror function will return all image info including snapshots. Now Qemu have both query-image and query-block interfaces, and qemu-img share the code for image info retrieving with qemu emulator. Signed-off-by: Wenchao Xia --- block.c | 16 ++++++++++++++++ qapi-schema.json | 11 +++++++++++ 2 files changed, 27 insertions(+), 0 deletions(-) diff --git a/block.c b/block.c index 9dcecec..0e9f414 100644 --- a/block.c +++ b/block.c @@ -2964,6 +2964,22 @@ ImageInfo *bdrv_query_image_info(BlockDriverState *bs, Error **errp) return info; } +ImageInfoList *qmp_query_image(Error **errp) +{ + ImageInfoList *head = NULL, **p_next = &head; + BlockDriverState *bs; + + QTAILQ_FOREACH(bs, &bdrv_states, list) { + ImageInfoList *info = g_malloc0(sizeof(*info)); + info->value = bdrv_query_image_info(bs, NULL); + + *p_next = info; + p_next = &info->next; + } + + return head; +} + BlockInfo *bdrv_query_block_info(BlockDriverState *bs) { BlockInfo *info = g_malloc0(sizeof(*info)); diff --git a/qapi-schema.json b/qapi-schema.json index 5dfa052..40f96f3 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -720,6 +720,17 @@ { 'command': 'query-block', 'returns': ['BlockInfo'] } ## +# @query-image: +# +# Get a list of BlockImage for all virtual block devices. +# +# Returns: a list of @BlockImage describing each virtual block device +# +# Since: 1.4 +## +{ 'command': 'query-image', 'returns': ['ImageInfo'] } + +## # @BlockDeviceStats: # # Statistics of a virtual block device or a block backing device.