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From: Anthony Liguori <aliguori@us.ibm.com>
Date: Fri, 11 Mar 2011 17:05:41 -0600
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Subject: [Qemu-devel] [PATCH 11/15] qapi: add QMP qmp_capabilities command
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To: qemu-devel@nongnu.org
Cc: Adam Litke <agl@us.ibm.com>, Anthony Liguori <aliguori@us.ibm.com>, Luiz Capitulino <lcapitulino@redhat.com>, Avi Kivity <avi@redhat.com>, Markus Armbruster <armbru@redhat.com>

For now, it's a nop.  In the near future, it will be used to register default
signals.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

diff --git a/qmp-core.c b/qmp-core.c
index 22b413b..ccc2b7d 100644
--- a/qmp-core.c
+++ b/qmp-core.c
@@ -447,3 +447,7 @@ void qmp_init_chardev(CharDriverState *chr)
     qemu_chr_add_handlers(chr, qmp_chr_can_receive, qmp_chr_receive,
                           qmp_chr_event, s);
 }
+
+void qmp_qmp_capabilities(QmpState *state, Error **errp)
+{
+}
diff --git a/qmp-schema.json b/qmp-schema.json
index d19cf73..e0789d0 100644
--- a/qmp-schema.json
+++ b/qmp-schema.json
@@ -100,3 +100,13 @@
 # Since: 0.14.0
 ##
 { 'command': 'quit' }
+
+##
+# @qmp_capabilities:
+#
+# Currently a nop command.  To communicate with older servers, this should be
+# sent first before executing new commands.
+#
+# Since: 0.14.0
+##
+{ 'command': 'qmp_capabilities' }
-- 
1.7.0.4