[PATCH 1/2] qapi/run-state: Add a new shutdown cause 'migration-completed'

[Kunkun Jiang]

In the current version, the source QEMU process does not automatic
exit after a successful migration. Additional action is required,
such as sending { "execute": "quit" } or ctrl+c. For simplify, add
a new shutdown cause 'migration-completed' to exit the source QEMU
process after a successful migration.

Signed-off-by: Kunkun Jiang <jiangkunkun@huawei.com>
---
 migration/migration.c | 1 +
 qapi/run-state.json   | 4 +++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/migration/migration.c b/migration/migration.c
index 4228635d18..16782c93c2 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -3539,6 +3539,7 @@ static void migration_iteration_finish(MigrationState *s)
     case MIGRATION_STATUS_COMPLETED:
         migration_calculate_complete(s);
         runstate_set(RUN_STATE_POSTMIGRATE);
+        qemu_system_shutdown_request(SHUTDOWN_CAUSE_MIGRATION_COMPLETED);
         break;
 
     case MIGRATION_STATUS_ACTIVE:
diff --git a/qapi/run-state.json b/qapi/run-state.json
index 43d66d700f..66aaef4e2b 100644
--- a/qapi/run-state.json
+++ b/qapi/run-state.json
@@ -86,12 +86,14 @@
 #                   ignores --no-reboot. This is useful for sanitizing
 #                   hypercalls on s390 that are used during kexec/kdump/boot
 #
+# @migration-completed: Reaction to the successful migration
+#
 ##
 { 'enum': 'ShutdownCause',
   # Beware, shutdown_caused_by_guest() depends on enumeration order
   'data': [ 'none', 'host-error', 'host-qmp-quit', 'host-qmp-system-reset',
             'host-signal', 'host-ui', 'guest-shutdown', 'guest-reset',
-            'guest-panic', 'subsystem-reset'] }
+            'guest-panic', 'subsystem-reset', 'migration-completed'] }
 
 ##
 # @StatusInfo:
-- 
2.23.0