qmp: add block_job_cancel command

Add block_job_cancel, which stops an active block streaming operation.
When the operation has been cancelled the new BLOCK_JOB_CANCELLED event
is emitted.

Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>

1 files changed, 10 insertions, 0 deletions

diff --git a/hmp.c b/hmp.c
index bf3d9df88f..867c338788 100644
--- a/hmp.c
+++ b/hmp.c
@@ -805,3 +805,13 @@ void hmp_block_job_set_speed(Monitor *mon, const QDict *qdict)
 
     hmp_handle_error(mon, &error);
 }
+
+void hmp_block_job_cancel(Monitor *mon, const QDict *qdict)
+{
+    Error *error = NULL;
+    const char *device = qdict_get_str(qdict, "device");
+
+    qmp_block_job_cancel(device, &error);
+
+    hmp_handle_error(mon, &error);
+}