qom: move properties from qdev to object

This is mostly code movement although not entirely.  This makes properties part
of the Object base class which means that we can now start using Object in a
meaningful way outside of qdev.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 2 insertions, 275 deletions

diff --git a/hw/qdev.h b/hw/qdev.h
index 8f525ec..ab53273 100644
--- a/hw/qdev.h
+++ b/hw/qdev.h
@@ -27,44 +27,6 @@ enum {
     DEV_NVECTORS_UNSPECIFIED = -1,
 };
 
-/**
- * @DevicePropertyAccessor - called when trying to get/set a property
- *
- * @dev the device that owns the property
- * @v the visitor that contains the property data
- * @opaque the device property opaque
- * @name the name of the property
- * @errp a pointer to an Error that is filled if getting/setting fails.
- */
-typedef void (DevicePropertyAccessor)(DeviceState *dev,
-                                      Visitor *v,
-                                      void *opaque,
-                                      const char *name,
-                                      Error **errp);
-
-/**
- * @DevicePropertyRelease - called when a property is removed from a device
- *
- * @dev the device that owns the property
- * @name the name of the property
- * @opaque the opaque registered with the property
- */
-typedef void (DevicePropertyRelease)(DeviceState *dev,
-                                     const char *name,
-                                     void *opaque);
-
-typedef struct DeviceProperty
-{
-    gchar *name;
-    gchar *type;
-    DevicePropertyAccessor *get;
-    DevicePropertyAccessor *set;
-    DevicePropertyRelease *release;
-    void *opaque;
-
-    QTAILQ_ENTRY(DeviceProperty) node;
-} DeviceProperty;
-
 #define TYPE_DEVICE "device"
 #define DEVICE(obj) OBJECT_CHECK(DeviceState, (obj), TYPE_DEVICE)
 #define DEVICE_CLASS(klass) OBJECT_CLASS_CHECK(DeviceClass, (klass), TYPE_DEVICE)
@@ -114,18 +76,6 @@ struct DeviceState {
     QTAILQ_ENTRY(DeviceState) sibling;
     int instance_id_alias;
     int alias_required_for_version;
-
-    /**
-     * This tracks the number of references between devices.  See @qdev_ref for
-     * more information.
-     */
-    uint32_t ref;
-
-    QTAILQ_HEAD(, DeviceProperty) properties;
-
-    /* Do not, under any circumstance, use this parent link below anywhere
-     * outside of qdev.c.  You have been warned. */
-    DeviceState *parent;
 };
 
 typedef void (*bus_dev_printfn)(Monitor *mon, DeviceState *dev, int indent);
@@ -195,8 +145,8 @@ struct PropertyInfo {
     int (*parse)(DeviceState *dev, Property *prop, const char *str);
     int (*print)(DeviceState *dev, Property *prop, char *dest, size_t len);
     void (*free)(DeviceState *dev, Property *prop);
-    DevicePropertyAccessor *get;
-    DevicePropertyAccessor *set;
+    ObjectPropertyAccessor *get;
+    ObjectPropertyAccessor *set;
 };
 
 typedef struct GlobalProperty {
@@ -390,235 +340,12 @@ char *qdev_get_fw_dev_path(DeviceState *dev);
 extern struct BusInfo system_bus_info;
 
 /**
- * @qdev_ref
- *
- * Increase the reference count of a device.  A device cannot be freed as long
- * as its reference count is greater than zero.
- *
- * @dev - the device
- */
-void qdev_ref(DeviceState *dev);
-
-/**
- * @qdef_unref
- *
- * Decrease the reference count of a device.  A device cannot be freed as long
- * as its reference count is greater than zero.
- *
- * @dev - the device
- */
-void qdev_unref(DeviceState *dev);
-
-/**
- * @qdev_property_add - add a new property to a device
- *
- * @dev - the device to add a property to
- *
- * @name - the name of the property.  This can contain any character except for
- *         a forward slash.  In general, you should use hyphens '-' instead of
- *         underscores '_' when naming properties.
- *
- * @type - the type name of the property.  This namespace is pretty loosely
- *         defined.  Sub namespaces are constructed by using a prefix and then
- *         to angle brackets.  For instance, the type 'virtio-net-pci' in the
- *         'link' namespace would be 'link<virtio-net-pci>'.
- *
- * @get - the getter to be called to read a property.  If this is NULL, then
- *        the property cannot be read.
- *
- * @set - the setter to be called to write a property.  If this is NULL,
- *        then the property cannot be written.
- *
- * @release - called when the property is removed from the device.  This is
- *            meant to allow a property to free its opaque upon device
- *            destruction.  This may be NULL.
- *
- * @opaque - an opaque pointer to pass to the callbacks for the property
- *
- * @errp - returns an error if this function fails
- */
-void qdev_property_add(DeviceState *dev, const char *name, const char *type,
-                       DevicePropertyAccessor *get, DevicePropertyAccessor *set,
-                       DevicePropertyRelease *release,
-                       void *opaque, Error **errp);
-
-/**
- * @qdev_property_get - reads a property from a device
- *
- * @dev - the device
- *
- * @v - the visitor that will receive the property value.  This should be an
- *      Output visitor and the data will be written with @name as the name.
- *
- * @name - the name of the property
- *
- * @errp - returns an error if this function fails
- */
-void qdev_property_get(DeviceState *dev, Visitor *v, const char *name,
-                       Error **errp);
-
-/**
- * @qdev_property_set - writes a property to a device
- *
- * @dev - the device
- *
- * @v - the visitor that will be used to write the property value.  This should
- *      be an Input visitor and the data will be first read with @name as the
- *      name and then written as the property value.
- *
- * @name - the name of the property
- *
- * @errp - returns an error if this function fails
- */
-void qdev_property_set(DeviceState *dev, Visitor *v, const char *name,
-                       Error **errp);
-
-/**
- * @qdev_property_get_type - returns the type of a property
- *
- * @dev - the device
- *
- * @name - the name of the property
- *
- * @errp - returns an error if this function fails
- *
- * Returns:
- *   The type name of the property.
- */
-const char *qdev_property_get_type(DeviceState *dev, const char *name,
-                                   Error **errp);
-
-/**
  * @qdev_property_add_static - add a @Property to a device referencing a
  * field in a struct.
  */
 void qdev_property_add_static(DeviceState *dev, Property *prop, Error **errp);
 
 /**
- * @qdev_get_root - returns the root device of the composition tree
- *
- * Returns:
- *   The root of the composition tree.
- */
-DeviceState *qdev_get_root(void);
-
-/**
- * @qdev_get_canonical_path - returns the canonical path for a device.  This
- * is the path within the composition tree starting from the root.
- *
- * Returns:
- *   The canonical path in the composition tree.
- */
-gchar *qdev_get_canonical_path(DeviceState *dev);
-
-/**
- * @qdev_resolve_path - resolves a path returning a device
- *
- * There are two types of supported paths--absolute paths and partial paths.
- * 
- * Absolute paths are derived from the root device and can follow child<> or
- * link<> properties.  Since they can follow link<> properties, they can be
- * arbitrarily long.  Absolute paths look like absolute filenames and are
- * prefixed with a leading slash.
- * 
- * Partial paths look like relative filenames.  They do not begin with a
- * prefix.  The matching rules for partial paths are subtle but designed to make
- * specifying devices easy.  At each level of the composition tree, the partial
- * path is matched as an absolute path.  The first match is not returned.  At
- * least two matches are searched for.  A successful result is only returned if
- * only one match is founded.  If more than one match is found, a flag is
- * return to indicate that the match was ambiguous.
- *
- * @path - the path to resolve
- *
- * @ambiguous - returns true if the path resolution failed because of an
- *              ambiguous match
- *
- * Returns:
- *   The matched device or NULL on path lookup failure.
- */
-DeviceState *qdev_resolve_path(const char *path, bool *ambiguous);
-
-/**
- * @qdev_property_add_child - Add a child property to a device
- *
- * Child properties form the composition tree.  All devices need to be a child
- * of another device.  Devices can only be a child of one device.
- *
- * There is no way for a child to determine what its parent is.  It is not
- * a bidirectional relationship.  This is by design.
- *
- * @dev - the device to add a property to
- *
- * @name - the name of the property
- *
- * @child - the child device
- *
- * @errp - if an error occurs, a pointer to an area to store the area
- */
-void qdev_property_add_child(DeviceState *dev, const char *name,
-                             DeviceState *child, Error **errp);
-
-/**
- * @qdev_property_add_link - Add a link property to a device
- *
- * Links establish relationships between devices.  Links are unidirectional
- * although two links can be combined to form a bidirectional relationship
- * between devices.
- *
- * Links form the graph in the device model.
- *
- * @dev - the device to add a property to
- *
- * @name - the name of the property
- *
- * @type - the qdev type of the link
- *
- * @child - a pointer to where the link device reference is stored
- *
- * @errp - if an error occurs, a pointer to an area to store the area
- */
-void qdev_property_add_link(DeviceState *dev, const char *name,
-                            const char *type, DeviceState **child,
-                            Error **errp);
-
-/**
- * @qdev_property_add_str
- *
- * Add a string property using getters/setters.  This function will add a
- * property of type 'string'.
- *
- * @dev - the device to add a property to
- *
- * @name - the name of the property
- *
- * @get - the getter or NULL if the property is write-only.  This function must
- *        return a string to be freed by @g_free().
- *
- * @set - the setter or NULL if the property is read-only
- *
- * @errp - if an error occurs, a pointer to an area to store the error
- */
-void qdev_property_add_str(DeviceState *dev, const char *name,
-                           char *(*get)(DeviceState *, Error **),
-                           void (*set)(DeviceState *, const char *, Error **),
-                           Error **errp);
-
-/**
- * @qdev_get_type
- *
- * Returns the string representation of the type of this object.
- *
- * @dev - the device
- *
- * @errp - if an error occurs, a pointer to an area to store the error
- *
- * Returns: a string representing the type.  This must be freed by the caller
- *          with g_free().
- */
-char *qdev_get_type(DeviceState *dev, Error **errp);
-
-/**
  * @qdev_machine_init
  *
  * Initialize platform devices before machine init.  This is a hack until full