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-rw-r--r--migration.c21
1 files changed, 14 insertions, 7 deletions
diff --git a/migration.c b/migration.c
index fcdcf6196a..636f7dbf6f 100644
--- a/migration.c
+++ b/migration.c
@@ -36,7 +36,8 @@
#endif
enum {
- MIG_STATE_ERROR,
+ MIG_STATE_ERROR = -1,
+ MIG_STATE_NONE,
MIG_STATE_SETUP,
MIG_STATE_CANCELLED,
MIG_STATE_ACTIVE,
@@ -63,7 +64,7 @@ static NotifierList migration_state_notifiers =
MigrationState *migrate_get_current(void)
{
static MigrationState current_migration = {
- .state = MIG_STATE_SETUP,
+ .state = MIG_STATE_NONE,
.bandwidth_limit = MAX_THROTTLE,
.xbzrle_cache_size = DEFAULT_MIGRATE_CACHE_SIZE,
.mbps = -1,
@@ -184,9 +185,13 @@ MigrationInfo *qmp_query_migrate(Error **errp)
MigrationState *s = migrate_get_current();
switch (s->state) {
- case MIG_STATE_SETUP:
+ case MIG_STATE_NONE:
/* no migration has happened ever */
break;
+ case MIG_STATE_SETUP:
+ info->has_status = true;
+ info->status = g_strdup("setup");
+ break;
case MIG_STATE_ACTIVE:
info->has_status = true;
info->status = g_strdup("active");
@@ -257,7 +262,7 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params,
MigrationState *s = migrate_get_current();
MigrationCapabilityStatusList *cap;
- if (s->state == MIG_STATE_ACTIVE) {
+ if (s->state == MIG_STATE_ACTIVE || s->state == MIG_STATE_SETUP) {
error_set(errp, QERR_MIGRATION_ACTIVE);
return;
}
@@ -392,7 +397,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
params.blk = blk;
params.shared = inc;
- if (s->state == MIG_STATE_ACTIVE) {
+ if (s->state == MIG_STATE_ACTIVE || s->state == MIG_STATE_SETUP) {
error_set(errp, QERR_MIGRATION_ACTIVE);
return;
}
@@ -542,6 +547,8 @@ static void *migration_thread(void *opaque)
DPRINTF("beginning savevm\n");
qemu_savevm_state_begin(s->file, &s->params);
+ migrate_set_state(s, MIG_STATE_SETUP, MIG_STATE_ACTIVE);
+
while (s->state == MIG_STATE_ACTIVE) {
int64_t current_time;
uint64_t pending_size;
@@ -632,8 +639,8 @@ static void *migration_thread(void *opaque)
void migrate_fd_connect(MigrationState *s)
{
- s->state = MIG_STATE_ACTIVE;
- trace_migrate_set_state(MIG_STATE_ACTIVE);
+ s->state = MIG_STATE_SETUP;
+ trace_migrate_set_state(MIG_STATE_SETUP);
/* This is a best 1st approximation. ns to ms */
s->expected_downtime = max_downtime/1000000;