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-rw-r--r--qapi/block-core.json7
1 files changed, 6 insertions, 1 deletions
diff --git a/qapi/block-core.json b/qapi/block-core.json
index 68945c26b2..4064d5bf7d 100644
--- a/qapi/block-core.json
+++ b/qapi/block-core.json
@@ -1593,6 +1593,10 @@
# io-status is present, please see query-block documentation
# for more information (since: 2.2)
#
+# @reason: human readable string describing the error cause.
+# (This field is a debugging aid for humans, it should not
+# be parsed by applications) (since: 2.2)
+#
# Note: If action is "stop", a STOP event will eventually follow the
# BLOCK_IO_ERROR event
#
@@ -1600,7 +1604,8 @@
##
{ 'event': 'BLOCK_IO_ERROR',
'data': { 'device': 'str', 'operation': 'IoOperationType',
- 'action': 'BlockErrorAction', '*nospace': 'bool' } }
+ 'action': 'BlockErrorAction', '*nospace': 'bool',
+ 'reason': 'str' } }
##
# @BLOCK_JOB_COMPLETED