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 <[email protected]> Acked-by: Luiz Capitulino <[email protected]> Signed-off-by: Kevin Wolf <[email protected]>

diff --git a/hmp-commands.hx b/hmp-commands.hx
index 813705e..573b823 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx

@@ -98,6 +98,20 @@
 ETEXI
 
     {
+        .name       = "block_job_cancel",
+        .args_type  = "device:B",
+        .params     = "device",
+        .help       = "stop an active block streaming operation",
+        .mhandler.cmd = hmp_block_job_cancel,
+    },
+
+STEXI
+@item block_job_cancel
+@findex block_job_cancel
+Stop an active block streaming operation.
+ETEXI
+
+    {
         .name       = "eject",
         .args_type  = "force:-f,device:B",
         .params     = "[-f] device",