@@ -26,6 +26,23 @@ Example:
Note: If action is "stop", a STOP event will eventually follow the
BLOCK_IO_ERROR event.
+BLOCK_MEDIUM_CHANGED
+--------------------
+
+Emitted when a medium is either inserted or removed from a drive. This should
+happen as a result of the 'eject' and 'change' commands.
+
+Data:
+
+- "device": device name (json-string)
+- "medium-inserted": true if a medium has been inserted, false if it has been
+ removed from the drive
+
+{ "event": "BLOCK_MEDIUM_CHANGED",
+ "data": { "device": "ide1-cd1",
+ "medium-inserted": true },
+ "timestamp": { "seconds": 1265044230, "microseconds": 450486 } }
+
GUEST_MEDIUM_EJECTED
--------------------
@@ -941,10 +941,22 @@ void bdrv_set_dev_ops(BlockDriverState *bs, const BlockDevOps *ops,
}
}
+static void bdrv_emit_qmp_medium_changed_event(BlockDriverState *bs, bool load)
+{
+ QObject *data;
+
+ data = qobject_from_jsonf("{ 'device': %s, 'medium-inserted': %i }",
+ bdrv_get_device_name(bs), load);
+ monitor_protocol_event(QEVENT_BLOCK_MEDIUM_CHANGED, data);
+
+ qobject_decref(data);
+}
+
static void bdrv_dev_change_media_cb(BlockDriverState *bs, bool load)
{
if (bs->dev_ops && bs->dev_ops->change_media_cb) {
bs->dev_ops->change_media_cb(bs->dev_opaque, load);
+ bdrv_emit_qmp_medium_changed_event(bs, load);
}
}
@@ -488,6 +488,9 @@ void monitor_protocol_event(MonitorEvent event, QObject *data)
case QEVENT_GUEST_MEDIUM_EJECTED:
event_name = "GUEST_MEDIUM_EJECTED";
break;
+ case QEVENT_BLOCK_MEDIUM_CHANGED:
+ event_name = "BLOCK_MEDIUM_CHANGED";
+ break;
default:
abort();
break;
@@ -39,6 +39,7 @@ typedef enum MonitorEvent {
QEVENT_BLOCK_JOB_COMPLETED,
QEVENT_BLOCK_JOB_CANCELLED,
QEVENT_GUEST_MEDIUM_EJECTED,
+ QEVENT_BLOCK_MEDIUM_CHANGED,
QEVENT_MAX,
} MonitorEvent;
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com> --- QMP/qmp-events.txt | 17 +++++++++++++++++ block.c | 12 ++++++++++++ monitor.c | 3 +++ monitor.h | 1 + 4 files changed, 33 insertions(+), 0 deletions(-)