91fa93e516
This policy suppresses deprecated bits in output, and thus permits
"testing the future". Implement it for QMP command results. Example:
when QEMU is run with -compat deprecated-output=hide, then
{"execute": "query-cpus-fast"}
yields
{"return": [{"thread-id": 9805, "props": {"core-id": 0, "thread-id": 0, "socket-id": 0}, "qom-path": "/machine/unattached/device[0]", "cpu-index": 0, "target": "x86_64"}]}
instead of
{"return": [{"arch": "x86", "thread-id": 22436, "props": {"core-id": 0, "thread-id": 0, "socket-id": 0}, "qom-path": "/machine/unattached/device[0]", "cpu-index": 0, "target": "x86_64"}]}
Note the suppression of deprecated member "arch".
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210318155519.1224118-4-armbru@redhat.com>
30 lines
703 B
C
30 lines
703 B
C
/*
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* Policy for handling "funny" management interfaces
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*
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* Copyright (C) 2020 Red Hat, Inc.
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*
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* Authors:
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* Markus Armbruster <armbru@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or
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* later. See the COPYING file in the top-level directory.
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*/
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#ifndef QAPI_COMPAT_POLICY_H
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#define QAPI_COMPAT_POLICY_H
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#include "qapi/qapi-types-compat.h"
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extern CompatPolicy compat_policy;
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/*
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* Create a QObject output visitor for @obj for use with QMP
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*
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* This is like qobject_output_visitor_new(), except it obeys the
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* policy for handling deprecated management interfaces set with
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* -compat.
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*/
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Visitor *qobject_output_visitor_new_qmp(QObject **result);
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#endif
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