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[Qemu-devel] [PATCH v8 02/24] migration: new postcopy-pause state
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v8 02/24] migration: new postcopy-pause state |
Date: |
Wed, 2 May 2018 18:47:18 +0800 |
Introducing a new state "postcopy-paused", which can be used when the
postcopy migration is paused. It is targeted for postcopy network
failure recovery.
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
Signed-off-by: Peter Xu <address@hidden>
---
qapi/migration.json | 5 ++++-
migration/migration.c | 2 ++
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/qapi/migration.json b/qapi/migration.json
index f3974c6807..97891aec89 100644
--- a/qapi/migration.json
+++ b/qapi/migration.json
@@ -89,6 +89,8 @@
#
# @postcopy-active: like active, but now in postcopy mode. (since 2.5)
#
+# @postcopy-paused: during postcopy but paused. (since 2.12)
+#
# @completed: migration is finished.
#
# @failed: some error occurred during migration process.
@@ -106,7 +108,8 @@
##
{ 'enum': 'MigrationStatus',
'data': [ 'none', 'setup', 'cancelling', 'cancelled',
- 'active', 'postcopy-active', 'completed', 'failed', 'colo',
+ 'active', 'postcopy-active', 'postcopy-paused',
+ 'completed', 'failed', 'colo',
'pre-switchover', 'device' ] }
##
diff --git a/migration/migration.c b/migration/migration.c
index 0bdb28e144..57ff1010e5 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -569,6 +569,7 @@ static bool migration_is_setup_or_active(int state)
switch (state) {
case MIGRATION_STATUS_ACTIVE:
case MIGRATION_STATUS_POSTCOPY_ACTIVE:
+ case MIGRATION_STATUS_POSTCOPY_PAUSED:
case MIGRATION_STATUS_SETUP:
case MIGRATION_STATUS_PRE_SWITCHOVER:
case MIGRATION_STATUS_DEVICE:
@@ -649,6 +650,7 @@ static void fill_source_migration_info(MigrationInfo *info)
case MIGRATION_STATUS_POSTCOPY_ACTIVE:
case MIGRATION_STATUS_PRE_SWITCHOVER:
case MIGRATION_STATUS_DEVICE:
+ case MIGRATION_STATUS_POSTCOPY_PAUSED:
/* TODO add some postcopy stats */
info->has_status = true;
info->has_total_time = true;
--
2.14.3
- [Qemu-devel] [PATCH v8 00/24] Migration: postcopy failure recovery, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 03/24] migration: implement "postcopy-pause" src logic, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 04/24] migration: allow dst vm pause on postcopy, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 05/24] migration: allow src return path to pause, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 06/24] migration: allow fault thread to pause, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 08/24] migration: rebuild channel on source, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 07/24] qmp: hmp: add migrate "resume" option, Peter Xu, 2018/05/02
- [Qemu-devel] [PATCH v8 09/24] migration: new state "postcopy-recover", Peter Xu, 2018/05/02