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-rw-r--r--block.c7
-rw-r--r--qapi-schema.json18
2 files changed, 24 insertions, 1 deletions
diff --git a/block.c b/block.c
index 2c3d3dadd9..ad5e2405e3 100644
--- a/block.c
+++ b/block.c
@@ -2837,6 +2837,13 @@ BlockInfo *bdrv_query_info(BlockDriverState *bs)
info->io_status = bs->iostatus;
}
+ if (bs->dirty_bitmap) {
+ info->has_dirty = true;
+ info->dirty = g_malloc0(sizeof(*info->dirty));
+ info->dirty->count = bdrv_get_dirty_count(bs) *
+ BDRV_SECTORS_PER_DIRTY_CHUNK * BDRV_SECTOR_SIZE;
+ }
+
if (bs->drv) {
info->has_inserted = true;
info->inserted = g_malloc0(sizeof(*info->inserted));
diff --git a/qapi-schema.json b/qapi-schema.json
index 36278cc8df..dfcbb674af 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -661,6 +661,18 @@
{ 'enum': 'BlockDeviceIoStatus', 'data': [ 'ok', 'failed', 'nospace' ] }
##
+# @BlockDirtyInfo:
+#
+# Block dirty bitmap information.
+#
+# @count: number of dirty bytes according to the dirty bitmap
+#
+# Since: 1.3
+##
+{ 'type': 'BlockDirtyInfo',
+ 'data': {'count': 'int'} }
+
+##
# @BlockInfo:
#
# Block device information. This structure describes a virtual device and
@@ -679,6 +691,9 @@
# @tray_open: #optional True if the device has a tray and it is open
# (only present if removable is true)
#
+# @dirty: #optional dirty bitmap information (only present if the dirty
+# bitmap is enabled)
+#
# @io-status: #optional @BlockDeviceIoStatus. Only present if the device
# supports it and the VM is configured to stop on errors
#
@@ -690,7 +705,8 @@
{ 'type': 'BlockInfo',
'data': {'device': 'str', 'type': 'str', 'removable': 'bool',
'locked': 'bool', '*inserted': 'BlockDeviceInfo',
- '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus'} }
+ '*tray_open': 'bool', '*io-status': 'BlockDeviceIoStatus',
+ '*dirty': 'BlockDirtyInfo' } }
##
# @query-block: