diff options
Diffstat (limited to 'hw/core/qdev-properties.c')
| -rw-r--r-- | hw/core/qdev-properties.c | 285 |
1 files changed, 169 insertions, 116 deletions
diff --git a/hw/core/qdev-properties.c b/hw/core/qdev-properties.c index 509cbf155d..a2eaa43831 100644 --- a/hw/core/qdev-properties.c +++ b/hw/core/qdev-properties.c @@ -6,7 +6,6 @@ #include "qemu/ctype.h" #include "qemu/error-report.h" #include "qapi/visitor.h" -#include "qemu/uuid.h" #include "qemu/units.h" #include "qemu/cutils.h" #include "qdev-prop-internal.h" @@ -38,9 +37,9 @@ void qdev_prop_allow_set_link_before_realize(const Object *obj, } } -void *qdev_get_prop_ptr(DeviceState *dev, Property *prop) +void *qdev_get_prop_ptr(Object *obj, Property *prop) { - void *ptr = dev; + void *ptr = obj; ptr += prop->offset; return ptr; } @@ -48,9 +47,8 @@ void *qdev_get_prop_ptr(DeviceState *dev, Property *prop) void qdev_propinfo_get_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(dev, prop); + int *ptr = qdev_get_prop_ptr(obj, prop); visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp); } @@ -60,7 +58,7 @@ void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int *ptr = qdev_get_prop_ptr(dev, prop); + int *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -92,9 +90,9 @@ static uint32_t qdev_get_prop_mask(Property *prop) return 0x1 << prop->bitnr; } -static void bit_prop_set(DeviceState *dev, Property *props, bool val) +static void bit_prop_set(Object *obj, Property *props, bool val) { - uint32_t *p = qdev_get_prop_ptr(dev, props); + uint32_t *p = qdev_get_prop_ptr(obj, props); uint32_t mask = qdev_get_prop_mask(props); if (val) { *p |= mask; @@ -106,9 +104,8 @@ static void bit_prop_set(DeviceState *dev, Property *props, bool val) static void prop_get_bit(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *p = qdev_get_prop_ptr(dev, prop); + uint32_t *p = qdev_get_prop_ptr(obj, prop); bool value = (*p & qdev_get_prop_mask(prop)) != 0; visit_type_bool(v, name, &value, errp); @@ -129,7 +126,7 @@ static void prop_set_bit(Object *obj, Visitor *v, const char *name, if (!visit_type_bool(v, name, &value, errp)) { return; } - bit_prop_set(dev, prop, value); + bit_prop_set(obj, prop, value); } static void set_default_value_bool(ObjectProperty *op, const Property *prop) @@ -153,9 +150,9 @@ static uint64_t qdev_get_prop_mask64(Property *prop) return 0x1ull << prop->bitnr; } -static void bit64_prop_set(DeviceState *dev, Property *props, bool val) +static void bit64_prop_set(Object *obj, Property *props, bool val) { - uint64_t *p = qdev_get_prop_ptr(dev, props); + uint64_t *p = qdev_get_prop_ptr(obj, props); uint64_t mask = qdev_get_prop_mask64(props); if (val) { *p |= mask; @@ -167,9 +164,8 @@ static void bit64_prop_set(DeviceState *dev, Property *props, bool val) static void prop_get_bit64(Object *obj, Visitor *v, const char *name, void *opaque, Error **errp) { - DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint64_t *p = qdev_get_prop_ptr(dev, prop); + uint64_t *p = qdev_get_prop_ptr(obj, prop); bool value = (*p & qdev_get_prop_mask64(prop)) != 0; visit_type_bool(v, name, &value, errp); @@ -190,7 +186,7 @@ static void prop_set_bit64(Object *obj, Visitor *v, const char *name, if (!visit_type_bool(v, name, &value, errp)) { return; } - bit64_prop_set(dev, prop, value); + bit64_prop_set(obj, prop, value); } const PropertyInfo qdev_prop_bit64 = { @@ -206,9 +202,8 @@ const PropertyInfo qdev_prop_bit64 = { static void get_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(dev, prop); + bool *ptr = qdev_get_prop_ptr(obj, prop); visit_type_bool(v, name, ptr, errp); } @@ -218,7 +213,7 @@ static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - bool *ptr = qdev_get_prop_ptr(dev, prop); + bool *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -240,9 +235,8 @@ const PropertyInfo qdev_prop_bool = { static void get_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(dev, prop); + uint8_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_uint8(v, name, ptr, errp); } @@ -252,7 +246,7 @@ static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint8_t *ptr = qdev_get_prop_ptr(dev, prop); + uint8_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -283,12 +277,11 @@ const PropertyInfo qdev_prop_uint8 = { /* --- 16bit integer --- */ -void qdev_propinfo_get_uint16(Object *obj, Visitor *v, const char *name, - void *opaque, Error **errp) +static void get_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(dev, prop); + uint16_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_uint16(v, name, ptr, errp); } @@ -298,7 +291,7 @@ static void set_uint16(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint16_t *ptr = qdev_get_prop_ptr(dev, prop); + uint16_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -310,7 +303,7 @@ static void set_uint16(Object *obj, Visitor *v, const char *name, const PropertyInfo qdev_prop_uint16 = { .name = "uint16", - .get = qdev_propinfo_get_uint16, + .get = get_uint16, .set = set_uint16, .set_default_value = qdev_propinfo_set_default_value_uint, }; @@ -320,9 +313,8 @@ const PropertyInfo qdev_prop_uint16 = { static void get_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(dev, prop); + uint32_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_uint32(v, name, ptr, errp); } @@ -332,7 +324,7 @@ static void set_uint32(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); + uint32_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -345,9 +337,8 @@ static void set_uint32(Object *obj, Visitor *v, const char *name, void qdev_propinfo_get_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(dev, prop); + int32_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_int32(v, name, ptr, errp); } @@ -357,7 +348,7 @@ static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int32_t *ptr = qdev_get_prop_ptr(dev, prop); + int32_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -386,9 +377,8 @@ const PropertyInfo qdev_prop_int32 = { static void get_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(dev, prop); + uint64_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_uint64(v, name, ptr, errp); } @@ -398,7 +388,7 @@ static void set_uint64(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + uint64_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -411,9 +401,8 @@ static void set_uint64(Object *obj, Visitor *v, const char *name, static void get_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(dev, prop); + int64_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_int64(v, name, ptr, errp); } @@ -423,7 +412,7 @@ static void set_int64(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - int64_t *ptr = qdev_get_prop_ptr(dev, prop); + int64_t *ptr = qdev_get_prop_ptr(obj, prop); if (dev->realized) { qdev_prop_set_after_realize(dev, name, errp); @@ -452,15 +441,14 @@ 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(DEVICE(obj), prop)); + g_free(*(char **)qdev_get_prop_ptr(obj, prop)); } static void get_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(dev, prop); + char **ptr = qdev_get_prop_ptr(obj, prop); if (!*ptr) { char *str = (char *)""; @@ -475,7 +463,7 @@ static void set_string(Object *obj, Visitor *v, const char *name, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - char **ptr = qdev_get_prop_ptr(dev, prop); + char **ptr = qdev_get_prop_ptr(obj, prop); char *str; if (dev->realized) { @@ -513,9 +501,8 @@ const PropertyInfo qdev_prop_on_off_auto = { void qdev_propinfo_get_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(dev, prop); + uint32_t *ptr = qdev_get_prop_ptr(obj, prop); uint64_t value = *ptr; visit_type_size(v, name, &value, errp); @@ -526,7 +513,7 @@ static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *ptr = qdev_get_prop_ptr(dev, prop); + uint32_t *ptr = qdev_get_prop_ptr(obj, prop); uint64_t value; if (dev->realized) { @@ -542,7 +529,7 @@ static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque, error_setg(errp, "Property %s.%s doesn't take value %" PRIu64 " (maximum: %u)", - dev->id ? : "", name, value, UINT32_MAX); + object_get_typename(obj), name, value, UINT32_MAX); return; } @@ -556,63 +543,6 @@ const PropertyInfo qdev_prop_size32 = { .set_default_value = qdev_propinfo_set_default_value_uint, }; -/* --- UUID --- */ - -static void get_uuid(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - QemuUUID *uuid = qdev_get_prop_ptr(dev, prop); - char buffer[UUID_FMT_LEN + 1]; - char *p = buffer; - - qemu_uuid_unparse(uuid, buffer); - - visit_type_str(v, name, &p, errp); -} - -#define UUID_VALUE_AUTO "auto" - -static void set_uuid(Object *obj, Visitor *v, const char *name, void *opaque, - Error **errp) -{ - DeviceState *dev = DEVICE(obj); - Property *prop = opaque; - QemuUUID *uuid = qdev_get_prop_ptr(dev, prop); - char *str; - - if (dev->realized) { - qdev_prop_set_after_realize(dev, name, errp); - return; - } - - if (!visit_type_str(v, name, &str, errp)) { - return; - } - - if (!strcmp(str, UUID_VALUE_AUTO)) { - qemu_uuid_generate(uuid); - } else if (qemu_uuid_parse(str, uuid) < 0) { - error_set_from_qdev_prop_error(errp, EINVAL, dev, prop, str); - } - g_free(str); -} - -static void set_default_uuid_auto(ObjectProperty *op, const Property *prop) -{ - object_property_set_default_str(op, UUID_VALUE_AUTO); -} - -const PropertyInfo qdev_prop_uuid = { - .name = "str", - .description = "UUID (aka GUID) or \"" UUID_VALUE_AUTO - "\" for random value (default)", - .get = get_uuid, - .set = set_uuid, - .set_default_value = set_default_uuid_auto, -}; - /* --- support for array properties --- */ /* Used as an opaque for the object properties we add for each @@ -651,7 +581,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, */ DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint32_t *alenptr = qdev_get_prop_ptr(dev, prop); + uint32_t *alenptr = qdev_get_prop_ptr(obj, prop); void **arrayptr = (void *)dev + prop->arrayoffset; void *eltptr; const char *arrayname; @@ -697,7 +627,7 @@ static void set_prop_arraylen(Object *obj, Visitor *v, const char *name, * being inside the device struct. */ arrayprop->prop.offset = eltptr - (void *)dev; - assert(qdev_get_prop_ptr(dev, &arrayprop->prop) == eltptr); + assert(qdev_get_prop_ptr(obj, &arrayprop->prop) == eltptr); object_property_add(obj, propname, arrayprop->prop.info->name, arrayprop->prop.info->get, @@ -748,22 +678,22 @@ static Property *qdev_prop_find(DeviceState *dev, const char *name) return NULL; } -void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev, +void error_set_from_qdev_prop_error(Error **errp, int ret, Object *obj, Property *prop, 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(OBJECT(dev)), prop->name, value); + object_get_typename(obj), prop->name, value); break; default: case -EINVAL: error_setg(errp, QERR_PROPERTY_VALUE_BAD, - object_get_typename(OBJECT(dev)), prop->name, value); + object_get_typename(obj), prop->name, value); break; case -ENOENT: error_setg(errp, "Property '%s.%s' can't find value '%s'", - object_get_typename(OBJECT(dev)), prop->name, value); + object_get_typename(obj), prop->name, value); break; case 0: break; @@ -831,7 +761,7 @@ void qdev_prop_register_global(GlobalProperty *prop) g_ptr_array_add(global_props(), prop); } -const GlobalProperty *qdev_find_global_prop(DeviceState *dev, +const GlobalProperty *qdev_find_global_prop(Object *obj, const char *name) { GPtrArray *props = global_props(); @@ -840,7 +770,7 @@ const GlobalProperty *qdev_find_global_prop(DeviceState *dev, for (i = 0; i < props->len; i++) { p = g_ptr_array_index(props, i); - if (object_dynamic_cast(OBJECT(dev), p->driver) + if (object_dynamic_cast(obj, p->driver) && !strcmp(p->property, name)) { return p; } @@ -891,9 +821,8 @@ void qdev_prop_set_globals(DeviceState *dev) static void get_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(dev, prop); + uint64_t *ptr = qdev_get_prop_ptr(obj, prop); visit_type_size(v, name, ptr, errp); } @@ -903,7 +832,12 @@ static void set_size(Object *obj, Visitor *v, const char *name, void *opaque, { DeviceState *dev = DEVICE(obj); Property *prop = opaque; - uint64_t *ptr = qdev_get_prop_ptr(dev, prop); + uint64_t *ptr = qdev_get_prop_ptr(obj, prop); + + if (dev->realized) { + qdev_prop_set_after_realize(dev, name, errp); + return; + } visit_type_size(v, name, ptr, errp); } @@ -929,3 +863,122 @@ const PropertyInfo qdev_prop_link = { .name = "link", .create = create_link_property, }; + +void qdev_property_add_static(DeviceState *dev, Property *prop) +{ + Object *obj = OBJECT(dev); + ObjectProperty *op; + + assert(!prop->info->create); + + op = object_property_add(obj, prop->name, prop->info->name, + prop->info->get, prop->info->set, + prop->info->release, + prop); + + object_property_set_description(obj, prop->name, + prop->info->description); + + if (prop->set_default) { + prop->info->set_default_value(op, prop); + if (op->init) { + op->init(obj, op); + } + } +} + +static void qdev_class_add_property(DeviceClass *klass, Property *prop) +{ + ObjectClass *oc = OBJECT_CLASS(klass); + + if (prop->info->create) { + prop->info->create(oc, prop); + } else { + ObjectProperty *op; + + op = object_class_property_add(oc, + prop->name, prop->info->name, + prop->info->get, prop->info->set, + 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); +} + +/** + * Legacy property handling + */ + +static void qdev_get_legacy_property(Object *obj, Visitor *v, + const char *name, void *opaque, + Error **errp) +{ + Property *prop = opaque; + + char buffer[1024]; + char *ptr = buffer; + + prop->info->print(obj, prop, buffer, sizeof(buffer)); + visit_type_str(v, name, &ptr, errp); +} + +/** + * qdev_class_add_legacy_property: + * @dev: Device to add the property to. + * @prop: The qdev property definition. + * + * Add a legacy QOM property to @dev for qdev property @prop. + * + * Legacy properties are string versions of QOM properties. The format of + * the string depends on the property type. Legacy properties are only + * needed for "info qtree". + * + * Do not use this in new code! QOM Properties added through this interface + * will be given names in the "legacy" namespace. + */ +static void qdev_class_add_legacy_property(DeviceClass *dc, Property *prop) +{ + g_autofree char *name = NULL; + + /* Register pointer properties as legacy properties */ + if (!prop->info->print && prop->info->get) { + return; + } + + name = g_strdup_printf("legacy-%s", prop->name); + object_class_property_add(OBJECT_CLASS(dc), name, "str", + prop->info->print ? qdev_get_legacy_property : prop->info->get, + NULL, NULL, prop); +} + +void device_class_set_props(DeviceClass *dc, Property *props) +{ + Property *prop; + + dc->props_ = props; + for (prop = props; prop && prop->name; prop++) { + qdev_class_add_legacy_property(dc, prop); + qdev_class_add_property(dc, prop); + } +} + +void qdev_alias_all_properties(DeviceState *target, Object *source) +{ + ObjectClass *class; + Property *prop; + + class = object_get_class(OBJECT(target)); + do { + DeviceClass *dc = DEVICE_CLASS(class); + + for (prop = dc->props_; prop && prop->name; prop++) { + object_property_add_alias(source, prop->name, + OBJECT(target), prop->name); + } + class = object_class_get_parent(class); + } while (class != object_class_by_name(TYPE_DEVICE)); +} |