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[Qemu-devel] [RFC PATCH v2 12/23] COLO ctl: add a RunState RUN_STATE_COL
From: |
Yang Hongyang |
Subject: |
[Qemu-devel] [RFC PATCH v2 12/23] COLO ctl: add a RunState RUN_STATE_COLO |
Date: |
Tue, 23 Sep 2014 17:23:44 +0800 |
Guest will enter this state when paused to save/restore VM state
under colo checkpoint.
Signed-off-by: Yang Hongyang <address@hidden>
---
qapi-schema.json | 5 ++++-
vl.c | 8 ++++++++
2 files changed, 12 insertions(+), 1 deletion(-)
diff --git a/qapi-schema.json b/qapi-schema.json
index 8d58ef7..7dcfb90 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -145,12 +145,15 @@
# @watchdog: the watchdog action is configured to pause and has been triggered
#
# @guest-panicked: guest has been panicked as a result of guest OS panic
+#
+# @colo: guest is paused to save/restore VM state under colo checkpoint (since
+# 2.2)
##
{ 'enum': 'RunState',
'data': [ 'debug', 'inmigrate', 'internal-error', 'io-error', 'paused',
'postmigrate', 'prelaunch', 'finish-migrate', 'restore-vm',
'running', 'save-vm', 'shutdown', 'suspended', 'watchdog',
- 'guest-panicked' ] }
+ 'guest-panicked', 'colo' ] }
##
# @StatusInfo:
diff --git a/vl.c b/vl.c
index 09d9851..b0de38e 100644
--- a/vl.c
+++ b/vl.c
@@ -619,6 +619,7 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_INMIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_INMIGRATE, RUN_STATE_PAUSED },
+ { RUN_STATE_INMIGRATE, RUN_STATE_COLO },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_PAUSED },
{ RUN_STATE_INTERNAL_ERROR, RUN_STATE_FINISH_MIGRATE },
@@ -628,6 +629,7 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_PAUSED, RUN_STATE_RUNNING },
{ RUN_STATE_PAUSED, RUN_STATE_FINISH_MIGRATE },
+ { RUN_STATE_PAUSED, RUN_STATE_COLO},
{ RUN_STATE_POSTMIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_POSTMIGRATE, RUN_STATE_FINISH_MIGRATE },
@@ -638,9 +640,12 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_RUNNING },
{ RUN_STATE_FINISH_MIGRATE, RUN_STATE_POSTMIGRATE },
+ { RUN_STATE_FINISH_MIGRATE, RUN_STATE_COLO},
{ RUN_STATE_RESTORE_VM, RUN_STATE_RUNNING },
+ { RUN_STATE_COLO, RUN_STATE_RUNNING },
+
{ RUN_STATE_RUNNING, RUN_STATE_DEBUG },
{ RUN_STATE_RUNNING, RUN_STATE_INTERNAL_ERROR },
{ RUN_STATE_RUNNING, RUN_STATE_IO_ERROR },
@@ -651,6 +656,7 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_RUNNING, RUN_STATE_SHUTDOWN },
{ RUN_STATE_RUNNING, RUN_STATE_WATCHDOG },
{ RUN_STATE_RUNNING, RUN_STATE_GUEST_PANICKED },
+ { RUN_STATE_RUNNING, RUN_STATE_COLO},
{ RUN_STATE_SAVE_VM, RUN_STATE_RUNNING },
@@ -661,9 +667,11 @@ static const RunStateTransition runstate_transitions_def[]
= {
{ RUN_STATE_RUNNING, RUN_STATE_SUSPENDED },
{ RUN_STATE_SUSPENDED, RUN_STATE_RUNNING },
{ RUN_STATE_SUSPENDED, RUN_STATE_FINISH_MIGRATE },
+ { RUN_STATE_SUSPENDED, RUN_STATE_COLO},
{ RUN_STATE_WATCHDOG, RUN_STATE_RUNNING },
{ RUN_STATE_WATCHDOG, RUN_STATE_FINISH_MIGRATE },
+ { RUN_STATE_WATCHDOG, RUN_STATE_COLO},
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_RUNNING },
{ RUN_STATE_GUEST_PANICKED, RUN_STATE_FINISH_MIGRATE },
--
1.9.1
- [Qemu-devel] [RFC PATCH v2 02/23] configure: add CONFIG_COLO to switch COLO support, (continued)
- [Qemu-devel] [RFC PATCH v2 02/23] configure: add CONFIG_COLO to switch COLO support, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 05/23] COLO info: use colo info to tell migration target colo is enabled, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 06/23] COLO save: integrate COLO checkpointed save into qemu migration, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 09/23] COLO ctl: implement API's that communicate with colo agent, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 07/23] COLO restore: integrate COLO checkpointed restore into qemu restore, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 08/23] COLO: disable qdev hotplug, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 10/23] COLO ctl: introduce is_slave() and is_master(), Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 03/23] COLO: introduce an api colo_supported() to indicate COLO support, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 04/23] COLO migration: add a migration capability 'colo', Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 11/23] COLO ctl: implement colo checkpoint protocol, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 12/23] COLO ctl: add a RunState RUN_STATE_COLO,
Yang Hongyang <=
- [Qemu-devel] [RFC PATCH v2 13/23] COLO ctl: implement colo save, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 14/23] COLO ctl: implement colo restore, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 16/23] COLO ram cache: implement colo ram cache on slave, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 17/23] HACK: trigger checkpoint every 500ms, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 15/23] COLO save: reuse migration bitmap under colo checkpoint, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 18/23] COLO nic: add command line switch, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 19/23] COLO nic: init/remove colo nic devices when add/cleanup tap devices, Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 20/23] COLO nic: implement colo nic device interface support_colo(), Yang Hongyang, 2014/09/23
- [Qemu-devel] [RFC PATCH v2 21/23] COLO nic: implement colo nic device interface configure(), Yang Hongyang, 2014/09/23