From: "Michael S. Tsirkin" <m...@redhat.com> Make it easy to add read-only helpers for simple integer properties in memory.
Reviewed-by: Paolo Bonzini <pbonz...@redhat.com> Reviewed-by: Gerd Hoffmann <kra...@redhat.com> Tested-by: Gerd Hoffmann <kra...@redhat.com> Signed-off-by: Michael S. Tsirkin <m...@redhat.com> Reviewed-by: Igor Mammedov <imamm...@redhat.com> Tested-by: Igor Mammedov <imamm...@redhat.com> [AF: Extended documentation] Signed-off-by: Andreas Färber <afaer...@suse.de> --- include/qom/object.h | 52 +++++++++++++++++++++++++++++++++++++++++++++ qom/object.c | 60 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 112 insertions(+) diff --git a/include/qom/object.h b/include/qom/object.h index 6c1e7d3..a275db2 100644 --- a/include/qom/object.h +++ b/include/qom/object.h @@ -1113,6 +1113,58 @@ void object_property_add_bool(Object *obj, const char *name, Error **errp); /** + * object_property_add_uint8_ptr: + * @obj: the object to add a property to + * @name: the name of the property + * @v: pointer to value + * @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); + +/** + * object_property_add_uint16_ptr: + * @obj: the object to add a property to + * @name: the name of the property + * @v: pointer to value + * @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); + +/** + * object_property_add_uint32_ptr: + * @obj: the object to add a property to + * @name: the name of the property + * @v: pointer to value + * @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); + +/** + * object_property_add_uint64_ptr: + * @obj: the object to add a property to + * @name: the name of the property + * @v: pointer to value + * @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); + +/** * object_child_foreach: * @obj: the object whose children will be navigated * @fn: the iterator function to be called diff --git a/qom/object.c b/qom/object.c index e90e382..b617f26 100644 --- a/qom/object.c +++ b/qom/object.c @@ -1344,6 +1344,66 @@ static char *qdev_get_type(Object *obj, Error **errp) return g_strdup(object_get_typename(obj)); } +static void property_get_uint8_ptr(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + uint8_t value = *(uint8_t *)opaque; + visit_type_uint8(v, &value, name, errp); +} + +static void property_get_uint16_ptr(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + uint16_t value = *(uint16_t *)opaque; + visit_type_uint16(v, &value, name, errp); +} + +static void property_get_uint32_ptr(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + uint32_t value = *(uint32_t *)opaque; + visit_type_uint32(v, &value, name, errp); +} + +static void property_get_uint64_ptr(Object *obj, Visitor *v, + void *opaque, const char *name, + Error **errp) +{ + uint64_t value = *(uint64_t *)opaque; + visit_type_uint64(v, &value, name, errp); +} + +void object_property_add_uint8_ptr(Object *obj, const char *name, + const uint8_t *v, Error **errp) +{ + object_property_add(obj, name, "uint8", property_get_uint8_ptr, + NULL, NULL, (void *)v, errp); +} + +void object_property_add_uint16_ptr(Object *obj, const char *name, + const uint16_t *v, Error **errp) +{ + object_property_add(obj, name, "uint16", property_get_uint16_ptr, + NULL, NULL, (void *)v, errp); +} + +void object_property_add_uint32_ptr(Object *obj, const char *name, + const uint32_t *v, Error **errp) +{ + object_property_add(obj, name, "uint32", property_get_uint32_ptr, + NULL, NULL, (void *)v, errp); +} + +void object_property_add_uint64_ptr(Object *obj, const char *name, + const uint64_t *v, Error **errp) +{ + object_property_add(obj, name, "uint64", property_get_uint64_ptr, + NULL, NULL, (void *)v, errp); +} + static void object_instance_init(Object *obj) { object_property_add_str(obj, "type", qdev_get_type, NULL, NULL); -- 1.8.1.4