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[Qemu-devel] [PATCH v3 04/32] migration: new postcopy-pause state
From: |
Peter Xu |
Subject: |
[Qemu-devel] [PATCH v3 04/32] migration: new postcopy-pause state |
Date: |
Mon, 16 Oct 2017 14:51:48 +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 3366bdddcc..22142c8194 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -525,6 +525,7 @@ 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:
return true;
@@ -600,6 +601,7 @@ MigrationInfo *qmp_query_migrate(Error **errp)
case MIGRATION_STATUS_ACTIVE:
case MIGRATION_STATUS_CANCELLING:
case MIGRATION_STATUS_POSTCOPY_ACTIVE:
+ 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 f8b365e3f5..d5fd937c26 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 2.11)
+#
# @completed: migration is finished.
#
# @failed: some error occurred during migration process.
@@ -101,7 +103,8 @@
##
{ 'enum': 'MigrationStatus',
'data': [ 'none', 'setup', 'cancelling', 'cancelled',
- 'active', 'postcopy-active', 'completed', 'failed', 'colo' ] }
+ 'active', 'postcopy-active', 'postcopy-paused',
+ 'completed', 'failed', 'colo' ] }
##
# @MigrationInfo:
--
2.13.5
- [Qemu-devel] [PATCH v3 00/32] Migration: postcopy failure recovery, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 01/32] migration: better error handling with QEMUFile, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 02/32] migration: reuse mis->userfault_quit_fd, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 03/32] migration: provide postcopy_fault_thread_notify(), Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 04/32] migration: new postcopy-pause state,
Peter Xu <=
- [Qemu-devel] [PATCH v3 05/32] migration: implement "postcopy-pause" src logic, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 06/32] migration: allow dst vm pause on postcopy, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 07/32] migration: allow src return path to pause, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 08/32] migration: allow send_rq to fail, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 09/32] migration: allow fault thread to pause, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 10/32] qmp: hmp: add migrate "resume" option, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 11/32] migration: pass MigrationState to migrate_init(), Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 12/32] migration: rebuild channel on source, Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 13/32] migration: new state "postcopy-recover", Peter Xu, 2017/10/16
- [Qemu-devel] [PATCH v3 14/32] migration: wakeup dst ram-load-thread for recover, Peter Xu, 2017/10/16