@@ -390,6 +390,7 @@ static int qdev_add_one_global(QemuOpts *opts, void *opaque)
g->driver = qemu_opt_get(opts, "driver");
g->property = qemu_opt_get(opts, "property");
g->value = qemu_opt_get(opts, "value");
+ g->not_used = true;
qdev_prop_register_global(g);
return 0;
}
@@ -939,6 +939,20 @@ void qdev_prop_register_global_list(GlobalProperty *props)
}
}
+void qdev_prop_check_global(void)
+{
+ GlobalProperty *prop;
+
+ QTAILQ_FOREACH(prop, &global_props, next) {
+ if (!prop->not_used) {
+ continue;
+ }
+ fprintf(stderr, "Warning: \"-global %s.%s=%s\" not used\n",
+ prop->driver, prop->property, prop->value);
+
+ }
+}
+
void qdev_prop_set_globals_for_type(DeviceState *dev, const char *typename,
Error **errp)
{
@@ -950,6 +964,7 @@ void qdev_prop_set_globals_for_type(DeviceState *dev, const char *typename,
if (strcmp(typename, prop->driver) != 0) {
continue;
}
+ prop->not_used = false;
object_property_parse(OBJECT(dev), prop->value, prop->property, &err);
if (err != NULL) {
error_propagate(errp, err);
@@ -229,6 +229,7 @@ typedef struct GlobalProperty {
const char *driver;
const char *property;
const char *value;
+ bool not_used;
QTAILQ_ENTRY(GlobalProperty) next;
} GlobalProperty;
@@ -177,6 +177,7 @@ void qdev_prop_set_ptr(DeviceState *dev, const char *name, void *value);
void qdev_prop_register_global(GlobalProperty *prop);
void qdev_prop_register_global_list(GlobalProperty *props);
+void qdev_prop_check_global(void);
void qdev_prop_set_globals(DeviceState *dev, Error **errp);
void qdev_prop_set_globals_for_type(DeviceState *dev, const char *typename,
Error **errp);
@@ -4411,6 +4411,8 @@ int main(int argc, char **argv, char **envp)
}
}
+ qdev_prop_check_global();
+
if (incoming) {
Error *local_err = NULL;
qemu_start_incoming_migration(incoming, &local_err);
This can help a user understand why -global was ignored. For example: with "-vga cirrus"; "-global vga.vgamem_mb=16" is just ignored when "-global cirrus-vga.vgamem_mb=16" is not. This is currently clear when the wrong property is provided: out/x86_64-softmmu/qemu-system-x86_64 -global cirrus-vga.vram_size_mb=16 -monitor pty -vga cirrus char device redirected to /dev/pts/20 (label compat_monitor0) qemu-system-x86_64: Property '.vram_size_mb' not found Aborted (core dumped) vs out/x86_64-softmmu/qemu-system-x86_64 -global vga.vram_size_mb=16 -monitor pty -vga cirrus char device redirected to /dev/pts/20 (label compat_monitor0) VNC server running on `::1:5900' ^Cqemu: terminating on signal 2 Signed-off-by: Don Slutz <dslutz@verizon.com> --- hw/core/qdev-properties-system.c | 1 + hw/core/qdev-properties.c | 15 +++++++++++++++ include/hw/qdev-core.h | 1 + include/hw/qdev-properties.h | 1 + vl.c | 2 ++ 5 files changed, 20 insertions(+)