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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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5
include/qapi/qmp/dispatch.h
View file

@ -25,7 +25,6 @@ typedef enum QmpCommandOptions
QCO_ALLOW_OOB = (1U << 1),
QCO_ALLOW_PRECONFIG = (1U << 2),
QCO_COROUTINE = (1U << 3),
QCO_DEPRECATED = (1U << 4),
} QmpCommandOptions;
typedef struct QmpCommand
@ -34,6 +33,7 @@ typedef struct QmpCommand
/* Runs in coroutine context if QCO_COROUTINE is set */
QmpCommandFunc *fn;
QmpCommandOptions options;
unsigned special_features;
QTAILQ_ENTRY(QmpCommand) node;
bool enabled;
const char *disable_reason;
@ -42,7 +42,8 @@ typedef struct QmpCommand
typedef QTAILQ_HEAD(QmpCommandList, QmpCommand) QmpCommandList;
void qmp_register_command(QmpCommandList *cmds, const char *name,
QmpCommandFunc *fn, QmpCommandOptions options);
QmpCommandFunc *fn, QmpCommandOptions options,
unsigned special_features);
const QmpCommand *qmp_find_command(const QmpCommandList *cmds,
const char *name);
void qmp_disable_command(QmpCommandList *cmds, const char *name,