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authorPeter Xu <peterx@redhat.com>2017-06-27 12:10:11 +0800
committerJuan Quintela <quintela@redhat.com>2017-06-28 11:18:38 +0200
commit9ffea096b93388e4a3727ae766583715d9e61741 (patch)
tree8bcedda89066d756820cad82003cfb4697051f42 /include
parent60d7cacac8f08d7832b9b4081f32b8e953867b55 (diff)
downloadqemu-9ffea096b93388e4a3727ae766583715d9e61741.zip
accel: introduce AccelClass.global_props
Introduce this new field for the accelerator classes so that each specific accelerator in the future can register its own global properties to be used further by the system. It works just like how the old machine compatible properties do, but only tailored for accelerators. Introduce register_compat_props_array() for it. Export it so that it may be used in other codes as well in the future. Suggested-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Peter Xu <peterx@redhat.com> Message-Id: <1498536619-14548-3-git-send-email-peterx@redhat.com> Reviewed-by: Eduardo Habkost <ehabkost@redhat.com> Signed-off-by: Juan Quintela <quintela@redhat.com>
Diffstat (limited to 'include')
-rw-r--r--include/hw/qdev-properties.h6
-rw-r--r--include/sysemu/accel.h11
2 files changed, 17 insertions, 0 deletions
diff --git a/include/hw/qdev-properties.h b/include/hw/qdev-properties.h
index 50ade839b7..0604c337e0 100644
--- a/include/hw/qdev-properties.h
+++ b/include/hw/qdev-properties.h
@@ -231,6 +231,12 @@ void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
*/
void register_compat_prop(const char *driver, const char *property,
const char *value);
+/*
+ * register_compat_props_array(): using register_compat_prop(), which
+ * only registers internal global properties (which has lower priority
+ * than user-provided global properties)
+ */
+void register_compat_props_array(GlobalProperty *prop);
/**
* qdev_property_add_static:
diff --git a/include/sysemu/accel.h b/include/sysemu/accel.h
index 15944c152c..ecc5c84621 100644
--- a/include/sysemu/accel.h
+++ b/include/sysemu/accel.h
@@ -24,6 +24,7 @@
#define HW_ACCEL_H
#include "qom/object.h"
+#include "hw/qdev-properties.h"
typedef struct AccelState {
/*< private >*/
@@ -40,6 +41,14 @@ typedef struct AccelClass {
int (*available)(void);
int (*init_machine)(MachineState *ms);
bool *allowed;
+ /*
+ * Array of global properties that would be applied when specific
+ * accelerator is chosen. It works like MachineClass.compat_props
+ * but it's for accelerators not machines. Accelerator-provided
+ * global properties may be overridden by machine-type
+ * compat_props or user-provided global properties.
+ */
+ GlobalProperty *global_props;
} AccelClass;
#define TYPE_ACCEL "accel"
@@ -57,5 +66,7 @@ typedef struct AccelClass {
extern int tcg_tb_size;
void configure_accelerator(MachineState *ms);
+/* Register accelerator specific global properties */
+void accel_register_compat_props(AccelState *accel);
#endif