diff options
Diffstat (limited to 'hw/core/qdev-properties.c')
| -rw-r--r-- | hw/core/qdev-properties.c | 253 |
1 files changed, 112 insertions, 141 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index a2eaa43831..50f40949f5 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -24,6 +24,19 @@ void qdev_prop_set_after_realize(DeviceState *dev, const char *name, } } +/* returns: true if property is allowed to be set, false otherwise */ +static bool qdev_prop_allow_set(Object *obj, const char *name, + Error **errp) +{ + DeviceState *dev = DEVICE(obj); + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return false; + } + return true; +} + void qdev_prop_allow_set_link_before_realize(const Object *obj, const char *name, Object *val, Error **errp) @@ -37,35 +50,68 @@ void qdev_prop_allow_set_link_before_realize(const Object *obj, } } -void *qdev_get_prop_ptr(Object *obj, Property *prop) +void *object_field_prop_ptr(Object *obj, Property *prop) { void *ptr = obj; ptr += prop->offset; return ptr; } +static void field_prop_get(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + Property *prop = opaque; + return prop->info->get(obj, v, name, opaque, errp); +} + +/** + * field_prop_getter: Return getter function to be used for property + * + * Return value can be NULL if @info has no getter function. + */ +static ObjectPropertyAccessor *field_prop_getter(const PropertyInfo *info) +{ + return info->get ? field_prop_get : NULL; +} + +static void field_prop_set(Object *obj, Visitor *v, const char *name, + void *opaque, Error **errp) +{ + Property *prop = opaque; + + if (!qdev_prop_allow_set(obj, name, errp)) { + return; + } + + return prop->info->set(obj, v, name, opaque, errp); +} + +/** + * field_prop_setter: Return setter function to be used for property + * + * Return value can be NULL if @info has not setter function. + */ +static ObjectPropertyAccessor *field_prop_setter(const PropertyInfo *info) +{ + return info->set ? field_prop_set : NULL; +} + void qdev_propinfo_get_enum(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - int *ptr = qdev_get_prop_ptr(obj, prop); + int *ptr = object_field_prop_ptr(obj, prop); - visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp); + visit_type_enum(v, name, ptr, prop->info->enum_table, errp); } void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + int *ptr = object_field_prop_ptr(obj, prop); - visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp); + visit_type_enum(v, name, ptr, prop->info->enum_table, errp); } void qdev_propinfo_set_default_value_enum(ObjectProperty *op, @@ -92,7 +138,7 @@ static uint32_t qdev_get_prop_mask(Property *prop) static void bit_prop_set(Object *obj, Property *props, bool val) { - uint32_t *p = qdev_get_prop_ptr(obj, props); + uint32_t *p = object_field_prop_ptr(obj, props); uint32_t mask = qdev_get_prop_mask(props); if (val) { *p |= mask; @@ -105,7 +151,7 @@ static void prop_get_bit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint32_t *p = qdev_get_prop_ptr(obj, prop); + uint32_t *p = object_field_prop_ptr(obj, prop); bool value = (*p & qdev_get_prop_mask(prop)) != 0; visit_type_bool(v, name, &value, errp); @@ -114,15 +160,9 @@ static void prop_get_bit(Object *obj, Visitor *v, const char *name, static void prop_set_bit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -152,7 +192,7 @@ static uint64_t qdev_get_prop_mask64(Property *prop) static void bit64_prop_set(Object *obj, Property *props, bool val) { - uint64_t *p = qdev_get_prop_ptr(obj, props); + uint64_t *p = object_field_prop_ptr(obj, props); uint64_t mask = qdev_get_prop_mask64(props); if (val) { *p |= mask; @@ -165,7 +205,7 @@ static void prop_get_bit64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint64_t *p = qdev_get_prop_ptr(obj, prop); + uint64_t *p = object_field_prop_ptr(obj, prop); bool value = (*p & qdev_get_prop_mask64(prop)) != 0; visit_type_bool(v, name, &value, errp); @@ -174,15 +214,9 @@ static void prop_get_bit64(Object *obj, Visitor *v, const char *name, static void prop_set_bit64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; bool value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_bool(v, name, &value, errp)) { return; } @@ -203,7 +237,7 @@ static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - bool *ptr = qdev_get_prop_ptr(obj, prop); + bool *ptr = object_field_prop_ptr(obj, prop); visit_type_bool(v, name, ptr, errp); } @@ -211,14 +245,8 @@ static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque, static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - bool *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + bool *ptr = object_field_prop_ptr(obj, prop); visit_type_bool(v, name, ptr, errp); } @@ -236,7 +264,7 @@ static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint8_t *ptr = qdev_get_prop_ptr(obj, prop); + uint8_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint8(v, name, ptr, errp); } @@ -244,14 +272,8 @@ static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque, static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint8_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + uint8_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint8(v, name, ptr, errp); } @@ -281,7 +303,7 @@ static void get_uint16(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint16_t *ptr = qdev_get_prop_ptr(obj, prop); + uint16_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint16(v, name, ptr, errp); } @@ -289,14 +311,8 @@ static void get_uint16(Object *obj, Visitor *v, const char *name, static void set_uint16(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint16_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + uint16_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint16(v, name, ptr, errp); } @@ -314,7 +330,7 @@ static void get_uint32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(obj, prop); + uint32_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint32(v, name, ptr, errp); } @@ -322,14 +338,8 @@ static void get_uint32(Object *obj, Visitor *v, const char *name, static void set_uint32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + uint32_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint32(v, name, ptr, errp); } @@ -338,7 +348,7 @@ void qdev_propinfo_get_int32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - int32_t *ptr = qdev_get_prop_ptr(obj, prop); + int32_t *ptr = object_field_prop_ptr(obj, prop); visit_type_int32(v, name, ptr, errp); } @@ -346,14 +356,8 @@ void qdev_propinfo_get_int32(Object *obj, Visitor *v, const char *name, static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int32_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + int32_t *ptr = object_field_prop_ptr(obj, prop); visit_type_int32(v, name, ptr, errp); } @@ -378,7 +382,7 @@ static void get_uint64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(obj, prop); + uint64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint64(v, name, ptr, errp); } @@ -386,14 +390,8 @@ static void get_uint64(Object *obj, Visitor *v, const char *name, static void set_uint64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + uint64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_uint64(v, name, ptr, errp); } @@ -402,7 +400,7 @@ static void get_int64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - int64_t *ptr = qdev_get_prop_ptr(obj, prop); + int64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_int64(v, name, ptr, errp); } @@ -410,14 +408,8 @@ static void get_int64(Object *obj, Visitor *v, const char *name, static void set_int64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int64_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + int64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_int64(v, name, ptr, errp); } @@ -441,14 +433,14 @@ const PropertyInfo qdev_prop_int64 = { static void release_string(Object *obj, const char *name, void *opaque) { Property *prop = opaque; - g_free(*(char **)qdev_get_prop_ptr(obj, prop)); + g_free(*(char **)object_field_prop_ptr(obj, prop)); } static void get_string(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - char **ptr = qdev_get_prop_ptr(obj, prop); + char **ptr = object_field_prop_ptr(obj, prop); if (!*ptr) { char *str = (char *)""; @@ -461,16 +453,10 @@ static void get_string(Object *obj, Visitor *v, const char *name, static void set_string(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - char **ptr = qdev_get_prop_ptr(obj, prop); + char **ptr = object_field_prop_ptr(obj, prop); char *str; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_str(v, name, &str, errp)) { return; } @@ -502,7 +488,7 @@ void qdev_propinfo_get_size32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(obj, prop); + uint32_t *ptr = object_field_prop_ptr(obj, prop); uint64_t value = *ptr; visit_type_size(v, name, &value, errp); @@ -511,16 +497,10 @@ void qdev_propinfo_get_size32(Object *obj, Visitor *v, const char *name, static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(obj, prop); + uint32_t *ptr = object_field_prop_ptr(obj, prop); uint64_t value; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - if (!visit_type_size(v, name, &value, errp)) { return; } @@ -579,18 +559,13 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, * array-length field in the device struct, we have to create the * array itself and dynamically add the corresponding properties. */ - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *alenptr = qdev_get_prop_ptr(obj, prop); - void **arrayptr = (void *)dev + prop->arrayoffset; + uint32_t *alenptr = object_field_prop_ptr(obj, prop); + void **arrayptr = (void *)obj + prop->arrayoffset; void *eltptr; const char *arrayname; int i; - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } if (*alenptr) { error_setg(errp, "array size property %s may not be set more than once", name); @@ -626,12 +601,12 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, * they get the right answer despite the array element not actually * being inside the device struct. */ - arrayprop->prop.offset = eltptr - (void *)dev; - assert(qdev_get_prop_ptr(obj, &arrayprop->prop) == eltptr); + arrayprop->prop.offset = eltptr - (void *)obj; + assert(object_field_prop_ptr(obj, &arrayprop->prop) == eltptr); object_property_add(obj, propname, arrayprop->prop.info->name, - arrayprop->prop.info->get, - arrayprop->prop.info->set, + field_prop_getter(arrayprop->prop.info), + field_prop_setter(arrayprop->prop.info), array_element_release, arrayprop); } @@ -679,21 +654,21 @@ static Property *qdev_prop_find(DeviceState *dev, const char *name) } void error_set_from_qdev_prop_error(Error **errp, int ret, Object *obj, - Property *prop, const char *value) + const char *name, const char *value) { switch (ret) { case -EEXIST: error_setg(errp, "Property '%s.%s' can't take value '%s', it's in use", - object_get_typename(obj), prop->name, value); + object_get_typename(obj), name, value); break; default: case -EINVAL: error_setg(errp, QERR_PROPERTY_VALUE_BAD, - object_get_typename(obj), prop->name, value); + object_get_typename(obj), name, value); break; case -ENOENT: error_setg(errp, "Property '%s.%s' can't find value '%s'", - object_get_typename(obj), prop->name, value); + object_get_typename(obj), name, value); break; case 0: break; @@ -822,7 +797,7 @@ static void get_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(obj, prop); + uint64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_size(v, name, ptr, errp); } @@ -830,14 +805,8 @@ static void get_size(Object *obj, Visitor *v, const char *name, void *opaque, static void set_size(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(obj, prop); - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } + uint64_t *ptr = object_field_prop_ptr(obj, prop); visit_type_size(v, name, ptr, errp); } @@ -851,12 +820,13 @@ const PropertyInfo qdev_prop_size = { /* --- object link property --- */ -static void create_link_property(ObjectClass *oc, Property *prop) +static ObjectProperty *create_link_property(ObjectClass *oc, const char *name, + Property *prop) { - object_class_property_add_link(oc, prop->name, prop->link_type, - prop->offset, - qdev_prop_allow_set_link_before_realize, - OBJ_PROP_LINK_STRONG); + return object_class_property_add_link(oc, name, prop->link_type, + prop->offset, + qdev_prop_allow_set_link_before_realize, + OBJ_PROP_LINK_STRONG); } const PropertyInfo qdev_prop_link = { @@ -872,7 +842,8 @@ void qdev_property_add_static(DeviceState *dev, Property *prop) assert(!prop->info->create); op = object_property_add(obj, prop->name, prop->info->name, - prop->info->get, prop->info->set, + field_prop_getter(prop->info), + field_prop_setter(prop->info), prop->info->release, prop); @@ -887,26 +858,26 @@ void qdev_property_add_static(DeviceState *dev, Property *prop) } } -static void qdev_class_add_property(DeviceClass *klass, Property *prop) +static void qdev_class_add_property(DeviceClass *klass, const char *name, + Property *prop) { ObjectClass *oc = OBJECT_CLASS(klass); + ObjectProperty *op; if (prop->info->create) { - prop->info->create(oc, prop); + op = prop->info->create(oc, name, prop); } else { - ObjectProperty *op; - op = object_class_property_add(oc, - prop->name, prop->info->name, - prop->info->get, prop->info->set, + name, prop->info->name, + field_prop_getter(prop->info), + field_prop_setter(prop->info), prop->info->release, prop); - if (prop->set_default) { - prop->info->set_default_value(op, prop); - } } - object_class_property_set_description(oc, prop->name, - prop->info->description); + if (prop->set_default) { + prop->info->set_default_value(op, prop); + } + object_class_property_set_description(oc, name, prop->info->description); } /** @@ -962,7 +933,7 @@ void device_class_set_props(DeviceClass *dc, Property *props) dc->props_ = props; for (prop = props; prop && prop->name; prop++) { qdev_class_add_legacy_property(dc, prop); - qdev_class_add_property(dc, prop); + qdev_class_add_property(dc, prop->name, prop); } } |