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authorKevin Wolf <kwolf@redhat.com>2020-02-24 15:30:07 +0100
committerKevin Wolf <kwolf@redhat.com>2020-03-06 17:21:28 +0100
commita2f411c4671b0b6cfe5f3b91b65d9bc8456e75ab (patch)
tree1e77f49e02ffe116c3f8e57dade4ee22328269e7
parent8e9119a807df510f0d2ce4cdda3078166d6e99a7 (diff)
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monitor: Add allow_hmp parameter to monitor_init()
Add a new parameter allow_hmp to monitor_init() so that the storage daemon can disable HMP. Signed-off-by: Kevin Wolf <kwolf@redhat.com> Message-Id: <20200224143008.13362-20-kwolf@redhat.com> Acked-by: Stefan Hajnoczi <stefanha@redhat.com> Signed-off-by: Kevin Wolf <kwolf@redhat.com>
-rw-r--r--include/monitor/monitor.h2
-rw-r--r--monitor/monitor.c12
-rw-r--r--qapi/control.json3
3 files changed, 13 insertions, 4 deletions
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index ad823b9..1018d75 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -19,7 +19,7 @@ void monitor_init_globals(void);
void monitor_init_globals_core(void);
void monitor_init_qmp(Chardev *chr, bool pretty, Error **errp);
void monitor_init_hmp(Chardev *chr, bool use_readline, Error **errp);
-int monitor_init(MonitorOptions *opts, Error **errp);
+int monitor_init(MonitorOptions *opts, bool allow_hmp, Error **errp);
int monitor_init_opts(QemuOpts *opts, Error **errp);
void monitor_cleanup(void);
diff --git a/monitor/monitor.c b/monitor/monitor.c
index 2282bf6..1254944 100644
--- a/monitor/monitor.c
+++ b/monitor/monitor.c
@@ -611,7 +611,7 @@ void monitor_init_globals_core(void)
NULL);
}
-int monitor_init(MonitorOptions *opts, Error **errp)
+int monitor_init(MonitorOptions *opts, bool allow_hmp, Error **errp)
{
Chardev *chr;
Error *local_err = NULL;
@@ -622,11 +622,19 @@ int monitor_init(MonitorOptions *opts, Error **errp)
return -1;
}
+ if (!opts->has_mode) {
+ opts->mode = allow_hmp ? MONITOR_MODE_READLINE : MONITOR_MODE_CONTROL;
+ }
+
switch (opts->mode) {
case MONITOR_MODE_CONTROL:
monitor_init_qmp(chr, opts->pretty, &local_err);
break;
case MONITOR_MODE_READLINE:
+ if (!allow_hmp) {
+ error_setg(errp, "Only QMP is supported");
+ return -1;
+ }
if (opts->pretty) {
warn_report("'pretty' is deprecated for HMP monitors, it has no "
"effect and will be removed in future versions");
@@ -658,7 +666,7 @@ int monitor_init_opts(QemuOpts *opts, Error **errp)
goto out;
}
- monitor_init(options, &local_err);
+ monitor_init(options, true, &local_err);
qapi_free_MonitorOptions(options);
out:
diff --git a/qapi/control.json b/qapi/control.json
index 3ee086a..85b12fe 100644
--- a/qapi/control.json
+++ b/qapi/control.json
@@ -237,7 +237,8 @@
#
# @id: Name of the monitor
#
-# @mode: Selects the monitor mode (default: readline)
+# @mode: Selects the monitor mode (default: readline in the system
+# emulator, control in qemu-storage-daemon)
#
# @pretty: Enables pretty printing (QMP only)
#