[PATCH 3/6 v5] add a new runstate: RUN_STATE_GUEST_PANICKED

[Wen Congyang <wency@cn.fujitsu.com>]

Add a new runstate RUN_STATE_GUEST_PANICKED. The guest can be in this
state if it is paused due to panicked event.

Signed-off-by: Wen Congyang <wency@cn.fujitsu.com>
---
 qapi-schema.json |    6 +++++-
 qmp.c            |    3 ++-
 vl.c             |    7 ++++++-
 3 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/qapi-schema.json b/qapi-schema.json
index 3b6e346..009f653 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -119,11 +119,15 @@
 # @suspended: guest is suspended (ACPI S3)
 #
 # @watchdog: the watchdog action is configured to pause and has been triggered
+#
+# @guest-panicked: the panicked action is configured to pause and has been
+# triggered.
 ##
 { 'enum': 'RunState',
   'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
             'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
-            'running', 'save-vm', 'shutdown', 'suspended', 'watchdog' ] }
+            'running', 'save-vm', 'shutdown', 'suspended', 'watchdog',
+            'guest-panicked' ] }
 
 ##
 # @StatusInfo:
diff --git a/qmp.c b/qmp.c
index a111dff..3b0c9bc 100644
--- a/qmp.c
+++ b/qmp.c
@@ -148,7 +148,8 @@ void qmp_cont(Error **errp)
         error_set(errp, QERR_MIGRATION_EXPECTED);
         return;
     } else if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
-               runstate_check(RUN_STATE_SHUTDOWN)) {
+               runstate_check(RUN_STATE_SHUTDOWN) ||
+               runstate_check(RUN_STATE_GUEST_PANICKED)) {
         error_set(errp, QERR_RESET_REQUIRED);
         return;
     } else if (runstate_check(RUN_STATE_SUSPENDED)) {
diff --git a/vl.c b/vl.c
index b38aa5f..c0e5d3c 100644
--- a/vl.c
+++ b/vl.c
@@ -361,6 +361,7 @@ static const RunStateTransition runstate_transitions_def[] = {
     { RUN_STATE_RUNNING, RUN_STATE_SAVE_VM },
     { RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
     { RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
+    { RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
 
     { RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
 
@@ -375,6 +376,9 @@ static const RunStateTransition runstate_transitions_def[] = {
     { RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
     { RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
 
+    { RUN_STATE_GUEST_PANICKED, RUN_STATE_PAUSED },
+    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
+
     { RUN_STATE_MAX, RUN_STATE_MAX },
 };
 
@@ -1531,7 +1535,8 @@ static bool main_loop_should_exit(void)
         qemu_system_reset(VMRESET_REPORT);
         resume_all_vcpus();
         if (runstate_check(RUN_STATE_INTERNAL_ERROR) ||
-            runstate_check(RUN_STATE_SHUTDOWN)) {
+            runstate_check(RUN_STATE_SHUTDOWN) ||
+            runstate_check(RUN_STATE_GUEST_PANICKED)) {
             bdrv_iterate(iostatus_bdrv_it, NULL);
             vm_start();
         }
-- 
1.7.1