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authorMarkus Armbruster <armbru@redhat.com>2021-10-28 12:25:17 +0200
committerMarkus Armbruster <armbru@redhat.com>2021-10-29 18:24:46 +0200
commit6604e4757a1fc5832f87b5f9244efccabb49be8e (patch)
tree93e1498cf110a81714c4e05161341ad84e6ef8e4 /qapi
parenta130728554d0cc19ef0ed4c1c824305c1682e64b (diff)
qapi: Generalize command policy checking
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>
Diffstat (limited to 'qapi')
-rw-r--r--qapi/qmp-dispatch.c2
-rw-r--r--qapi/qmp-registry.c4
2 files changed, 4 insertions, 2 deletions
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index 7e943a0af5..8cca18c891 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -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;
diff --git a/qapi/qmp-registry.c b/qapi/qmp-registry.c
index f78c064aae..485bc5e6fc 100644
--- a/qapi/qmp-registry.c
+++ b/qapi/qmp-registry.c
@@ -16,7 +16,8 @@
#include "qapi/qmp/dispatch.h"
void qmp_register_command(QmpCommandList *cmds, const char *name,
- QmpCommandFunc *fn, QmpCommandOptions options)
+ QmpCommandFunc *fn, QmpCommandOptions options,
+ unsigned special_features)
{
QmpCommand *cmd = g_malloc0(sizeof(*cmd));
@@ -27,6 +28,7 @@ void qmp_register_command(QmpCommandList *cmds, const char *name,
cmd->fn = fn;
cmd->enabled = true;
cmd->options = options;
+ cmd->special_features = special_features;
QTAILQ_INSERT_TAIL(cmds, cmd, node);
}