qapi event: convert BLOCK_IMAGE_CORRUPTED

Signed-off-by: Wenchao Xia <wenchaoqemu@gmail.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>

block/qcow2-refcount.c

@@ -27,6 +27,7 @@
 #include "block/qcow2.h"
 #include "qemu/range.h"
 #include "qapi/qmp/types.h"
+#include "qapi-event.h"
 
 static int64_t alloc_clusters_noref(BlockDriverState *bs, uint64_t size);
 static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs,
@@ -1807,7 +1808,6 @@ int qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset,
     } else if (ret > 0) {
         int metadata_ol_bitnr = ffs(ret) - 1;
         char *message;
-        QObject *data;
 
         assert(metadata_ol_bitnr < QCOW2_OL_MAX_BITNR);
 
@@ -1816,12 +1816,14 @@ int qcow2_pre_write_overlap_check(BlockDriverState *bs, int ign, int64_t offset,
                 metadata_ol_names[metadata_ol_bitnr]);
         message = g_strdup_printf("Prevented %s overwrite",
                 metadata_ol_names[metadata_ol_bitnr]);
-        data = qobject_from_jsonf("{ 'device': %s, 'msg': %s, 'offset': %"
+        qapi_event_send_block_image_corrupted(bdrv_get_device_name(bs),
-                PRId64 ", 'size': %" PRId64 " }", bs->device_name, message,
+                                              message,
-                offset, size);
+                                              true,
-        monitor_protocol_event(QEVENT_BLOCK_IMAGE_CORRUPTED, data);
+                                              offset,
+                                              true,
+                                              size,
+                                              &error_abort);
         g_free(message);
-        qobject_decref(data);
 
         qcow2_mark_corrupt(bs);
         bs->drv = NULL; /* make BDS unusable */

docs/qmp/qmp-events.txt

@@ -28,28 +28,6 @@ Example:
     "data": { "actual": 944766976 },
     "timestamp": { "seconds": 1267020223, "microseconds": 435656 } }
 
-BLOCK_IMAGE_CORRUPTED
----------------------
-
-Emitted when a disk image is being marked corrupt.
-
-Data:
-
-- "device": Device name (json-string)
-- "msg":    Informative message (e.g., reason for the corruption) (json-string)
-- "offset": If the corruption resulted from an image access, this is the access
-            offset into the image (json-int)
-- "size":   If the corruption resulted from an image access, this is the access
-            size (json-int)
-
-Example:
-
-{ "event": "BLOCK_IMAGE_CORRUPTED",
-    "data": { "device": "ide0-hd0",
-        "msg": "Prevented active L1 table overwrite", "offset": 196608,
-        "size": 65536 },
-    "timestamp": { "seconds": 1378126126, "microseconds": 966463 } }
-
 BLOCK_JOB_CANCELLED
 -------------------
 

qapi/block-core.json

@@ -1428,6 +1428,30 @@
   'data': [ 'ignore', 'report', 'stop' ] }
 
 
+##
+# @BLOCK_IMAGE_CORRUPTED
+#
+# Emitted when a disk image is being marked corrupt
+#
+# @device: device name
+#
+# @msg: informative message for human consumption, such as the kind of
+#       corruption being detected
+#
+# @offset: #optional, if the corruption resulted from an image access, this is
+#          the access offset into the image
+#
+# @size: #optional, if the corruption resulted from an image access, this is
+#        the access size
+#
+# Since: 1.7
+##
+{ 'event': 'BLOCK_IMAGE_CORRUPTED',
+  'data': { 'device' : 'str',
+            'msg'    : 'str',
+            '*offset': 'int',
+            '*size'  : 'int' } }
+
 ##
 # @BLOCK_IO_ERROR
 #