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qom/object: enable setter for uint types

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Traditionally, the uint-specific property helpers only offer getters.
When adding object (or class) uint types, one must therefore use the
generic property helper if a setter is needed (and probably duplicate
some code writing their own getters/setters).

This enhances the uint-specific property helper APIs by adding a
bitwise-or'd 'flags' field and modifying all clients of that API to set
this paramater to OBJ_PROP_FLAG_READ. This maintains the current
behaviour whilst allowing others to also set OBJ_PROP_FLAG_WRITE (or use
the more convenient OBJ_PROP_FLAG_READWRITE) in the future (which will
automatically install a setter). Other flags may be added later.

Signed-off-by: Felipe Franciosi <felipe@nutanix.com>
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Felipe Franciosi
2020-02-04 13:15:58 +00:00
committed by Paolo Bonzini
parent 25aa6b3718
commit 836e1b3813
8 changed files with 247 additions and 49 deletions
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48
include/qom/object.h
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@ -1664,69 +1664,101 @@ ObjectProperty *object_class_property_add_tm(ObjectClass *klass,
void (*get)(Object *, struct tm *, Error **),
Error **errp);
typedef enum {
/* Automatically add a getter to the property */
OBJ_PROP_FLAG_READ = 1 << 0,
/* Automatically add a setter to the property */
OBJ_PROP_FLAG_WRITE = 1 << 1,
/* Automatically add a getter and a setter to the property */
OBJ_PROP_FLAG_READWRITE = (OBJ_PROP_FLAG_READ | OBJ_PROP_FLAG_WRITE),
} ObjectPropertyFlags;
/**
* object_property_add_uint8_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
* @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint8'.
*/
void object_property_add_uint8_ptr(Object *obj, const char *name,
const uint8_t *v, Error **errp);
const uint8_t *v, ObjectPropertyFlags flags,
Error **errp);
ObjectProperty *object_class_property_add_uint8_ptr(ObjectClass *klass,
const char *name,
const uint8_t *v, Error **errp);
const uint8_t *v,
ObjectPropertyFlags flags,
Error **errp);
/**
* object_property_add_uint16_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
* @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint16'.
*/
void object_property_add_uint16_ptr(Object *obj, const char *name,
const uint16_t *v, Error **errp);
const uint16_t *v,
ObjectPropertyFlags flags,
Error **errp);
ObjectProperty *object_class_property_add_uint16_ptr(ObjectClass *klass,
const char *name,
const uint16_t *v, Error **errp);
const uint16_t *v,
ObjectPropertyFlags flags,
Error **errp);
/**
* object_property_add_uint32_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
* @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint32'.
*/
void object_property_add_uint32_ptr(Object *obj, const char *name,
const uint32_t *v, Error **errp);
const uint32_t *v,
ObjectPropertyFlags flags,
Error **errp);
ObjectProperty *object_class_property_add_uint32_ptr(ObjectClass *klass,
const char *name,
const uint32_t *v, Error **errp);
const uint32_t *v,
ObjectPropertyFlags flags,
Error **errp);
/**
* object_property_add_uint64_ptr:
* @obj: the object to add a property to
* @name: the name of the property
* @v: pointer to value
* @flags: bitwise-or'd ObjectPropertyFlags
* @errp: if an error occurs, a pointer to an area to store the error
*
* Add an integer property in memory. This function will add a
* property of type 'uint64'.
*/
void object_property_add_uint64_ptr(Object *obj, const char *name,
const uint64_t *v, Error **errp);
const uint64_t *v,
ObjectPropertyFlags flags,
Error **Errp);
ObjectProperty *object_class_property_add_uint64_ptr(ObjectClass *klass,
const char *name,
const uint64_t *v, Error **errp);
const uint64_t *v,
ObjectPropertyFlags flags,
Error **Errp);
/**
* object_property_add_alias: