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From: Wen Congyang <wency@cn.fujitsu.com>
To: kvm list <kvm@vger.kernel.org>,
	qemu-devel <qemu-devel@nongnu.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Avi Kivity <avi@redhat.com>,
	"Daniel P. Berrange" <berrange@redhat.com>,
	KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com>,
	Jan Kiszka <jan.kiszka@siemens.com>,
	Gleb Natapov <gleb@redhat.com>, Blue Swirl <blauwirbel@gmail.com>,
	Eric Blake <eblake@redhat.com>, Andrew Jones <drjones@redhat.com>,
	Marcelo Tosatti <mtosatti@redhat.com>
Subject: [PATCH v10 3/6] add a new runstate: RUN_STATE_GUEST_PANICKED
Date: Wed, 29 Aug 2012 13:21:13 +0800	[thread overview]
Message-ID: <503DA6C9.8070906@cn.fujitsu.com> (raw)
In-Reply-To: <503DA63E.40608@cn.fujitsu.com>

The guest will be in this state when it is panicked.

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 bd8ad74..edb090a 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -149,11 +149,15 @@
 # @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 c5a20f1..f863f56 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 316a977..947b23a 100644
--- a/vl.c
+++ b/vl.c
@@ -373,6 +373,7 @@ 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 },
 
@@ -387,6 +388,9 @@ 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_RUNNING },
+    { RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
+
     { RUN_STATE_MAX, RUN_STATE_MAX },
 };
 
@@ -1607,7 +1611,8 @@ 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


  parent reply	other threads:[~2012-08-29  5:15 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-29  5:18 [PATCH v10] kvm: notify host when the guest is panicked Wen Congyang
2012-08-29  5:20 ` [PATCH v10 1/6] start vm after reseting it Wen Congyang
2012-08-29  5:20 ` [PATCH v10 2/6] kvm: Update kernel headers Wen Congyang
2012-08-29  5:21 ` Wen Congyang [this message]
2012-08-29  5:21 ` [PATCH v10 4/6] add a new qevent: QEVENT_GUEST_PANICKED Wen Congyang
2012-08-29  5:22 ` [PATCH v10 5/6] introduce a new qom device to deal with panicked event Wen Congyang
2012-08-29  5:22 ` [PATCH v10 6/6] allower the user to disable pv event support Wen Congyang
2012-08-29 11:56 ` [PATCH v10] kvm: notify host when the guest is panicked Sasha Levin
2012-08-30  2:03   ` Wen Congyang
2012-08-30 10:23     ` Sasha Levin
2012-10-01 18:57 ` [Qemu-devel] " Luiz Capitulino
2012-10-01 19:30   ` Marcelo Tosatti

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