This patch adds a fbdev monitor command to enable/disable
the fbdev display at runtime to both qmp and hmp.
qmp: fbdev enable=on|off
hmp: fbdev on|off
---
hmp-commands.hx | 15 +++++++++++++++
hmp.c | 9 +++++++++
hmp.h | 1 +
qapi-schema.json | 15 +++++++++++++++
qmp-commands.hx | 6 ++++++
qmp.c | 17 +++++++++++++++++
6 files changed, 63 insertions(+), 0 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index f6104b0..1ef372b 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1378,6 +1378,21 @@ passed since 1970, i.e. unix epoch.
ETEXI
{
+ .name = "fbdev",
+ .args_type = "enable:b",
+ .params = "on|off",
+ .help = "enable/disable fbdev",
+ .mhandler.cmd = hmp_fbdev,
+ },
+
+STEXI
+@item fbdev on | off
+@findex fbdev
+
+enable/disable fbdev
+ETEXI
+
+ {
.name = "info",
.args_type = "item:s?",
.params = "[subcommand]",
diff --git a/hmp.c b/hmp.c
index 81c8acb..a7f9ecb 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1102,3 +1102,12 @@ void hmp_closefd(Monitor *mon, const QDict *qdict)
qmp_closefd(fdname, &errp);
hmp_handle_error(mon, &errp);
}
+
+void hmp_fbdev(Monitor *mon, const QDict *qdict)
+{
+ int enable = qdict_get_bool(qdict, "enable");
+ Error *errp = NULL;
+
+ qmp_fbdev(enable, &errp);
+ hmp_handle_error(mon, &errp);
+}
diff --git a/hmp.h b/hmp.h
index 7dd93bf..1eb02aa 100644
--- a/hmp.h
+++ b/hmp.h
@@ -71,5 +71,6 @@ void hmp_netdev_add(Monitor *mon, const QDict *qdict);
void hmp_netdev_del(Monitor *mon, const QDict *qdict);
void hmp_getfd(Monitor *mon, const QDict *qdict);
void hmp_closefd(Monitor *mon, const QDict *qdict);
+void hmp_fbdev(Monitor *mon, const QDict *qdict);
#endif
diff --git a/qapi-schema.json b/qapi-schema.json
index bd8ad74..d83ee2b 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -2493,3 +2493,18 @@
# Since: 1.2.0
##
{ 'command': 'query-target', 'returns': 'TargetInfo' }
+
+##
+# @fbdev:
+#
+# Enable/disable fbdev.
+#
+# @enable: true to set the link status to be up
+#
+# Returns: Nothing on success
+# If @name is not a valid network device, DeviceNotFound
+#
+# Since: 1.3
+#
+##
+{ 'command': 'fbdev', 'data': {'enable': 'bool'} }
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 3745a21..8382020 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -2514,3 +2514,9 @@ EQMP
.args_type = "",
.mhandler.cmd_new = qmp_marshal_input_query_target,
},
+
+ {
+ .name = "fbdev",
+ .args_type = "enable:b",
+ .mhandler.cmd_new = qmp_marshal_input_fbdev,
+ },
diff --git a/qmp.c b/qmp.c
index 8463922..d7306ab 100644
--- a/qmp.c
+++ b/qmp.c
@@ -391,6 +391,23 @@ void qmp_change(const char *device, const char *target,
}
}
+void qmp_fbdev(bool enable, Error **errp)
+{
+#if defined(CONFIG_LINUX)
+ DisplayState *ds = get_displaystate();
+
+ if (enable) {
+ if (fbdev_display_init(ds, NULL) != 0) {
+ error_set(errp, QERR_UNDEFINED_ERROR);
+ }
+ } else {
+ fbdev_display_uninit(ds);
+ }
+#else
+ error_set(errp, QERR_FEATURE_DISABLED, "fbdev");
+#endif
+}
+
static void qom_list_types_tramp(ObjectClass *klass, void *data)
{
ObjectTypeInfoList *e, **pret = data;
--
1.7.1
