Add migrate_incoming

Add migrate_incoming/migrate-incoming to start an incoming
migration.

Once a qemu has been started with
    -incoming defer

the migration can be started by issuing:
    migrate_incoming uri

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

1 files changed, 16 insertions, 0 deletions

diff --git a/hmp-commands.hx b/hmp-commands.hx
index d5022d843c..9c1e849859 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -922,6 +922,22 @@ Cancel the current VM migration.
 ETEXI
 
     {
+        .name       = "migrate_incoming",
+        .args_type  = "uri:s",
+        .params     = "uri",
+        .help       = "Continue an incoming migration from an -incoming defer",
+        .mhandler.cmd = hmp_migrate_incoming,
+    },
+
+STEXI
+@item migrate_incoming @var{uri}
+@findex migrate_incoming
+Continue an incoming migration using the @var{uri} (that has the same syntax
+as the -incoming option).
+
+ETEXI
+
+    {
         .name       = "migrate_set_cache_size",
         .args_type  = "value:o",
         .params     = "value",