Add migration capabilities

The management can query the current migration capabilities using
query-migrate-capabilities QMP command.
The user can use 'info migrate_capabilities' HMP command.
Currently only XBZRLE capability is available.

Signed-off-by: Orit Wasserman <owasserm@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>

Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

1 files changed, 7 insertions, 0 deletions

diff --git a/monitor.c b/monitor.c
index 49dccfe854..13b681ab48 100644
--- a/monitor.c
+++ b/monitor.c
@@ -2655,6 +2655,13 @@ static mon_cmd_t info_cmds[] = {
         .mhandler.info = hmp_info_migrate,
     },
     {
+        .name       = "migrate_capabilities",
+        .args_type  = "",
+        .params     = "",
+        .help       = "show current migration capabilities",
+        .mhandler.info = hmp_info_migrate_capabilities,
+    },
+    {
         .name       = "balloon",
         .args_type  = "",
         .params     = "",