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qapi: Generalize command policy checking

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The code to check command policy can see special feature flag
'deprecated' as command flag QCO_DEPRECATED.  I want to make feature
flag 'unstable' visible there as well, so I can add policy for it.

To let me make it visible, add member @special_features (a bitset of
QapiSpecialFeature) to QmpCommand, and adjust the generator to pass it
through qmp_register_command().  Then replace "QCO_DEPRECATED in
@flags" by QAPI_DEPRECATED in @special_features", and drop
QCO_DEPRECATED.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Acked-by: John Snow <jsnow@redhat.com>
Message-Id: <20211028102520.747396-7-armbru@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Markus Armbruster 2021-10-28 12:25:17 +02:00
parent a130728554
commit 6604e4757a
6 changed files with 17 additions and 12 deletions
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2
qapi/qmp-dispatch.c
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@ -176,7 +176,7 @@ QDict *qmp_dispatch(const QmpCommandList *cmds, QObject *request,
"The command %s has not been found", command);
goto out;
}
if (cmd->options & QCO_DEPRECATED) {
if (cmd->special_features & 1u << QAPI_DEPRECATED) {
switch (compat_policy.deprecated_input) {
case COMPAT_POLICY_INPUT_ACCEPT:
break;