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migration: Use MigrationStatus instead of int

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QEMU uses "int" in most cases even if it stores MigrationStatus.  I don't
know why, so let's try to do that right and see what blows up..

Reviewed-by: Fabiano Rosas <farosas@suse.de>
Signed-off-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Fabiano Rosas <farosas@suse.de>
This commit is contained in:
Peter Xu 2024-06-19 18:30:38 -04:00 • committed by Fabiano Rosas
parent 60ce47675d
commit a5c24e13e9
2 changed files with 12 additions and 21 deletions
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24
migration/migration.c
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@ -413,7 +413,7 @@ void migration_incoming_state_destroy(void)
yank_unregister_instance(MIGRATION_YANK_INSTANCE);
}
static void migrate_generate_event(int new_state)
static void migrate_generate_event(MigrationStatus new_state)
{
if (migrate_events()) {
qapi_event_send_migration(new_state);
@ -1296,8 +1296,6 @@ static void fill_destination_migration_info(MigrationInfo *info)
}
switch (mis->state) {
case MIGRATION_STATUS_NONE:
return;
case MIGRATION_STATUS_SETUP:
case MIGRATION_STATUS_CANCELLING:
case MIGRATION_STATUS_CANCELLED:
@ -1313,6 +1311,8 @@ static void fill_destination_migration_info(MigrationInfo *info)
info->has_status = true;
fill_destination_postcopy_migration_info(info);
break;
default:
return;
}
info->status = mis->state;
@ -1360,7 +1360,8 @@ void qmp_migrate_start_postcopy(Error **errp)
/* shared migration helpers */
void migrate_set_state(int *state, int old_state, int new_state)
void migrate_set_state(MigrationStatus *state, MigrationStatus old_state,
MigrationStatus new_state)
{
assert(new_state < MIGRATION_STATUS__MAX);
if (qatomic_cmpxchg(state, old_state, new_state) == old_state) {
@ -1567,7 +1568,7 @@ bool migration_in_postcopy(void)
}
}
bool migration_postcopy_is_alive(int state)
bool migration_postcopy_is_alive(MigrationStatus state)
{
switch (state) {
case MIGRATION_STATUS_POSTCOPY_ACTIVE:
@ -1612,20 +1613,9 @@ bool migration_is_idle(void)
case MIGRATION_STATUS_COMPLETED:
case MIGRATION_STATUS_FAILED:
return true;
case MIGRATION_STATUS_SETUP:
case MIGRATION_STATUS_CANCELLING:
case MIGRATION_STATUS_ACTIVE:
case MIGRATION_STATUS_POSTCOPY_ACTIVE:
case MIGRATION_STATUS_COLO:
case MIGRATION_STATUS_PRE_SWITCHOVER:
case MIGRATION_STATUS_DEVICE:
case MIGRATION_STATUS_WAIT_UNPLUG:
default:
return false;
case MIGRATION_STATUS__MAX:
g_assert_not_reached();
}
return false;
}
bool migration_is_active(void)