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[Qemu-devel] [PATCH v7 02/23] migration: new postcopy-pause state
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v7 02/23] migration: new postcopy-pause state |
Date: |
Fri, 9 Mar 2018 17:15:14 +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>
---
migration/migration.c | 2 ++
qapi/migration.json | 5 ++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/migration/migration.c b/migration/migration.c
index 9007ad83ea..f456f0d3f2 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -558,6 +558,7 @@ 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:
@@ -637,6 +638,7 @@ MigrationInfo *qmp_query_migrate(Error **errp)
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;
diff --git a/qapi/migration.json b/qapi/migration.json
index 7f465a1902..6142b065a1 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' ] }
##
--
2.14.3
- [Qemu-devel] [PATCH v7 00/23] Migration: postcopy failure recovery, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 01/23] migration: let incoming side use thread context, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 03/23] migration: implement "postcopy-pause" src logic, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 04/23] migration: allow dst vm pause on postcopy, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 02/23] migration: new postcopy-pause state,
Peter Xu <=
- [Qemu-devel] [PATCH v7 05/23] migration: allow src return path to pause, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 06/23] migration: allow fault thread to pause, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 07/23] qmp: hmp: add migrate "resume" option, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 08/23] migration: rebuild channel on source, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 10/23] migration: wakeup dst ram-load-thread for recover, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 09/23] migration: new state "postcopy-recover", Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 11/23] migration: new cmd MIG_CMD_RECV_BITMAP, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 14/23] migration: new message MIG_RP_MSG_RESUME_ACK, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 12/23] migration: new message MIG_RP_MSG_RECV_BITMAP, Peter Xu, 2018/03/09
- [Qemu-devel] [PATCH v7 13/23] migration: new cmd MIG_CMD_POSTCOPY_RESUME, Peter Xu, 2018/03/09