summaryrefslogtreecommitdiffstats
path: root/include/hw/qdev-core.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/hw/qdev-core.h')
-rw-r--r--include/hw/qdev-core.h30
1 files changed, 22 insertions, 8 deletions
diff --git a/include/hw/qdev-core.h b/include/hw/qdev-core.h
index f2043a69c2..2c4f140b9c 100644
--- a/include/hw/qdev-core.h
+++ b/include/hw/qdev-core.h
@@ -97,7 +97,18 @@ typedef struct DeviceClass {
const char *fw_name;
const char *desc;
Property *props;
- int no_user;
+
+ /*
+ * Shall we hide this device model from -device / device_add?
+ * All devices should support instantiation with device_add, and
+ * this flag should not exist. But we're not there, yet. Some
+ * devices fail to instantiate with cryptic error messages.
+ * Others instantiate, but don't work. Exposing users to such
+ * behavior would be cruel; this flag serves to protect them. It
+ * should never be set without a comment explaining why it is set.
+ * TODO remove once we're there
+ */
+ bool cannot_instantiate_with_device_add_yet;
/* callbacks */
void (*reset)(DeviceState *dev);
@@ -158,7 +169,7 @@ struct BusClass {
* bindings can be found at http://playground.sun.com/1275/bindings/.
*/
char *(*get_fw_dev_path)(DeviceState *dev);
- int (*reset)(BusState *bus);
+ void (*reset)(BusState *bus);
/* maximum devices allowed on the bus, 0: no limit. */
int max_dev;
};
@@ -253,10 +264,15 @@ BusState *qbus_create(const char *typename, DeviceState *parent, const char *nam
/* Returns > 0 if either devfn or busfn skip walk somewhere in cursion,
* < 0 if either devfn or busfn terminate walk somewhere in cursion,
* 0 otherwise. */
-int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
- qbus_walkerfn *busfn, void *opaque);
-int qdev_walk_children(DeviceState *dev, qdev_walkerfn *devfn,
- qbus_walkerfn *busfn, void *opaque);
+int qbus_walk_children(BusState *bus,
+ qdev_walkerfn *pre_devfn, qbus_walkerfn *pre_busfn,
+ qdev_walkerfn *post_devfn, qbus_walkerfn *post_busfn,
+ void *opaque);
+int qdev_walk_children(DeviceState *dev,
+ qdev_walkerfn *pre_devfn, qbus_walkerfn *pre_busfn,
+ qdev_walkerfn *post_devfn, qbus_walkerfn *post_busfn,
+ void *opaque);
+
void qdev_reset_all(DeviceState *dev);
/**
@@ -272,8 +288,6 @@ void qdev_reset_all(DeviceState *dev);
void qbus_reset_all(BusState *bus);
void qbus_reset_all_fn(void *opaque);
-void qbus_free(BusState *bus);
-
/* This should go away once we get rid of the NULL bus hack */
BusState *sysbus_get_default(void);