migration: add vsock as data channel support

The vsock channel is more widely use in some new features, for example,
the Nitro/Enclave. It can also be used as the migration channel.

Signed-off-by: Longpeng(Mike) <longpeng2@huawei.com>
Message-Id: <20200806074030.174-3-longpeng2@huawei.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>

diff --git a/migration/migration.c b/migration/migration.c
index ac37a386ddb80e78262fd3af437f422d7b66cab7..58a5452471f9067b227f4e5f9050ba5464d83af8 100644 (file)
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -384,7 +384,8 @@ void qemu_start_incoming_migration(const char *uri, Error **errp)
     if (!strcmp(uri, "defer")) {
         deferred_incoming_migration(errp);
     } else if (strstart(uri, "tcp:", &p) ||
-               strstart(uri, "unix:", NULL)) {
+               strstart(uri, "unix:", NULL) ||
+               strstart(uri, "vsock:", NULL)) {
         socket_start_incoming_migration(p ? p : uri, errp);
 #ifdef CONFIG_RDMA
     } else if (strstart(uri, "rdma:", &p)) {
@@ -2102,7 +2103,8 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
     }
 
     if (strstart(uri, "tcp:", &p) ||
-        strstart(uri, "unix:", NULL)) {
+        strstart(uri, "unix:", NULL) ||
+        strstart(uri, "vsock:", NULL)) {
         socket_start_outgoing_migration(s, p ? p : uri, &local_err);
 #ifdef CONFIG_RDMA
     } else if (strstart(uri, "rdma:", &p)) {