migration: migration_is_device

Define and export migration_is_device to eliminate a dependency
on MigrationState.

Signed-off-by: Steve Sistare <steven.sistare@oracle.com>
Link: https://lore.kernel.org/r/1710179338-294359-8-git-send-email-steven.sistare@oracle.com
Signed-off-by: Peter Xu <peterx@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/migration/migration.c b/migration/migration.c
index afe72af0b1..db1e627848 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1647,6 +1647,13 @@ bool migration_is_active(void)
             s->state == MIGRATION_STATUS_POSTCOPY_ACTIVE);
 }
 
+bool migration_is_device(void)
+{
+    MigrationState *s = current_migration;
+
+    return s->state == MIGRATION_STATUS_DEVICE;
+}
+
 bool migration_thread_is_self(void)
 {
     MigrationState *s = current_migration;