932 lines
25 KiB
C
932 lines
25 KiB
C
#include "qemu/osdep.h"
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#include "hw/qdev-properties.h"
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#include "qapi/error.h"
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#include "qapi/qapi-types-misc.h"
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#include "qapi/qmp/qerror.h"
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#include "qemu/ctype.h"
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#include "qemu/error-report.h"
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#include "qapi/visitor.h"
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#include "qemu/uuid.h"
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#include "qemu/units.h"
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#include "qemu/cutils.h"
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#include "qdev-prop-internal.h"
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void qdev_prop_set_after_realize(DeviceState *dev, const char *name,
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Error **errp)
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{
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if (dev->id) {
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error_setg(errp, "Attempt to set property '%s' on device '%s' "
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"(type '%s') after it was realized", name, dev->id,
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object_get_typename(OBJECT(dev)));
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} else {
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error_setg(errp, "Attempt to set property '%s' on anonymous device "
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"(type '%s') after it was realized", name,
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object_get_typename(OBJECT(dev)));
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}
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}
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void qdev_prop_allow_set_link_before_realize(const Object *obj,
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const char *name,
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Object *val, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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if (dev->realized) {
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error_setg(errp, "Attempt to set link property '%s' on device '%s' "
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"(type '%s') after it was realized",
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name, dev->id, object_get_typename(obj));
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}
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}
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void *qdev_get_prop_ptr(DeviceState *dev, Property *prop)
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{
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void *ptr = dev;
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ptr += prop->offset;
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return ptr;
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}
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void qdev_propinfo_get_enum(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
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}
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void qdev_propinfo_set_enum(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_enum(v, prop->name, ptr, prop->info->enum_table, errp);
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}
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void qdev_propinfo_set_default_value_enum(ObjectProperty *op,
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const Property *prop)
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{
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object_property_set_default_str(op,
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qapi_enum_lookup(prop->info->enum_table, prop->defval.i));
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}
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const PropertyInfo qdev_prop_enum = {
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.name = "enum",
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.get = qdev_propinfo_get_enum,
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.set = qdev_propinfo_set_enum,
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.set_default_value = qdev_propinfo_set_default_value_enum,
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};
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/* Bit */
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static uint32_t qdev_get_prop_mask(Property *prop)
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{
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assert(prop->info == &qdev_prop_bit);
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return 0x1 << prop->bitnr;
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}
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static void bit_prop_set(DeviceState *dev, Property *props, bool val)
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{
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uint32_t *p = qdev_get_prop_ptr(dev, props);
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uint32_t mask = qdev_get_prop_mask(props);
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if (val) {
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*p |= mask;
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} else {
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*p &= ~mask;
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}
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}
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static void prop_get_bit(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *p = qdev_get_prop_ptr(dev, prop);
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bool value = (*p & qdev_get_prop_mask(prop)) != 0;
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visit_type_bool(v, name, &value, errp);
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}
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static void prop_set_bit(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool value;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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if (!visit_type_bool(v, name, &value, errp)) {
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return;
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}
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bit_prop_set(dev, prop, value);
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}
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static void set_default_value_bool(ObjectProperty *op, const Property *prop)
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{
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object_property_set_default_bool(op, prop->defval.u);
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}
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const PropertyInfo qdev_prop_bit = {
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.name = "bool",
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.description = "on/off",
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.get = prop_get_bit,
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.set = prop_set_bit,
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.set_default_value = set_default_value_bool,
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};
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/* Bit64 */
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static uint64_t qdev_get_prop_mask64(Property *prop)
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{
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assert(prop->info == &qdev_prop_bit64);
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return 0x1ull << prop->bitnr;
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}
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static void bit64_prop_set(DeviceState *dev, Property *props, bool val)
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{
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uint64_t *p = qdev_get_prop_ptr(dev, props);
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uint64_t mask = qdev_get_prop_mask64(props);
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if (val) {
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*p |= mask;
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} else {
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*p &= ~mask;
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}
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}
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static void prop_get_bit64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *p = qdev_get_prop_ptr(dev, prop);
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bool value = (*p & qdev_get_prop_mask64(prop)) != 0;
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visit_type_bool(v, name, &value, errp);
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}
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static void prop_set_bit64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool value;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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if (!visit_type_bool(v, name, &value, errp)) {
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return;
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}
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bit64_prop_set(dev, prop, value);
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}
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const PropertyInfo qdev_prop_bit64 = {
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.name = "bool",
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.description = "on/off",
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.get = prop_get_bit64,
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.set = prop_set_bit64,
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.set_default_value = set_default_value_bool,
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};
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/* --- bool --- */
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static void get_bool(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_bool(v, name, ptr, errp);
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}
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static void set_bool(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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bool *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_bool(v, name, ptr, errp);
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}
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const PropertyInfo qdev_prop_bool = {
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.name = "bool",
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.get = get_bool,
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.set = set_bool,
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.set_default_value = set_default_value_bool,
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};
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/* --- 8bit integer --- */
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static void get_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint8(v, name, ptr, errp);
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}
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static void set_uint8(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint8_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint8(v, name, ptr, errp);
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}
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void qdev_propinfo_set_default_value_int(ObjectProperty *op,
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const Property *prop)
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{
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object_property_set_default_int(op, prop->defval.i);
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}
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void qdev_propinfo_set_default_value_uint(ObjectProperty *op,
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const Property *prop)
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{
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object_property_set_default_uint(op, prop->defval.u);
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}
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const PropertyInfo qdev_prop_uint8 = {
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.name = "uint8",
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.get = get_uint8,
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.set = set_uint8,
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.set_default_value = qdev_propinfo_set_default_value_uint,
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};
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/* --- 16bit integer --- */
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void qdev_propinfo_get_uint16(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint16(v, name, ptr, errp);
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}
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static void set_uint16(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint16_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint16(v, name, ptr, errp);
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}
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const PropertyInfo qdev_prop_uint16 = {
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.name = "uint16",
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.get = qdev_propinfo_get_uint16,
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.set = set_uint16,
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.set_default_value = qdev_propinfo_set_default_value_uint,
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};
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/* --- 32bit integer --- */
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static void get_uint32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint32(v, name, ptr, errp);
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}
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static void set_uint32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint32(v, name, ptr, errp);
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}
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void qdev_propinfo_get_int32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_int32(v, name, ptr, errp);
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}
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static void set_int32(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int32_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_int32(v, name, ptr, errp);
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}
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const PropertyInfo qdev_prop_uint32 = {
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.name = "uint32",
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.get = get_uint32,
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.set = set_uint32,
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.set_default_value = qdev_propinfo_set_default_value_uint,
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};
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const PropertyInfo qdev_prop_int32 = {
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.name = "int32",
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.get = qdev_propinfo_get_int32,
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.set = set_int32,
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.set_default_value = qdev_propinfo_set_default_value_int,
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};
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/* --- 64bit integer --- */
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static void get_uint64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_uint64(v, name, ptr, errp);
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}
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static void set_uint64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint64_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_uint64(v, name, ptr, errp);
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}
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static void get_int64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int64_t *ptr = qdev_get_prop_ptr(dev, prop);
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visit_type_int64(v, name, ptr, errp);
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}
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static void set_int64(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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int64_t *ptr = qdev_get_prop_ptr(dev, prop);
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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visit_type_int64(v, name, ptr, errp);
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}
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const PropertyInfo qdev_prop_uint64 = {
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.name = "uint64",
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.get = get_uint64,
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.set = set_uint64,
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.set_default_value = qdev_propinfo_set_default_value_uint,
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};
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const PropertyInfo qdev_prop_int64 = {
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.name = "int64",
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.get = get_int64,
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.set = set_int64,
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.set_default_value = qdev_propinfo_set_default_value_int,
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};
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/* --- string --- */
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static void release_string(Object *obj, const char *name, void *opaque)
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{
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Property *prop = opaque;
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g_free(*(char **)qdev_get_prop_ptr(DEVICE(obj), prop));
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}
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static void get_string(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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char **ptr = qdev_get_prop_ptr(dev, prop);
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if (!*ptr) {
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char *str = (char *)"";
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visit_type_str(v, name, &str, errp);
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} else {
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visit_type_str(v, name, ptr, errp);
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}
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}
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static void set_string(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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char **ptr = qdev_get_prop_ptr(dev, prop);
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char *str;
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if (dev->realized) {
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qdev_prop_set_after_realize(dev, name, errp);
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return;
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}
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if (!visit_type_str(v, name, &str, errp)) {
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return;
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}
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g_free(*ptr);
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*ptr = str;
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}
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const PropertyInfo qdev_prop_string = {
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.name = "str",
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.release = release_string,
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.get = get_string,
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.set = set_string,
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};
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/* --- on/off/auto --- */
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const PropertyInfo qdev_prop_on_off_auto = {
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.name = "OnOffAuto",
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.description = "on/off/auto",
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.enum_table = &OnOffAuto_lookup,
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.get = qdev_propinfo_get_enum,
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.set = qdev_propinfo_set_enum,
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.set_default_value = qdev_propinfo_set_default_value_enum,
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};
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|
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/* --- 32bit unsigned int 'size' type --- */
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void qdev_propinfo_get_size32(Object *obj, Visitor *v, const char *name,
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void *opaque, Error **errp)
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{
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DeviceState *dev = DEVICE(obj);
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Property *prop = opaque;
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uint32_t *ptr = qdev_get_prop_ptr(dev, prop);
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uint64_t value = *ptr;
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visit_type_size(v, name, &value, errp);
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}
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static void set_size32(Object *obj, Visitor *v, const char *name, void *opaque,
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Error **errp)
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{
|
|
DeviceState *dev = DEVICE(obj);
|
|
Property *prop = opaque;
|
|
uint32_t *ptr = qdev_get_prop_ptr(dev, 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;
|
|
}
|
|
|
|
if (value > UINT32_MAX) {
|
|
error_setg(errp,
|
|
"Property %s.%s doesn't take value %" PRIu64
|
|
" (maximum: %u)",
|
|
dev->id ? : "", name, value, UINT32_MAX);
|
|
return;
|
|
}
|
|
|
|
*ptr = value;
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_size32 = {
|
|
.name = "size",
|
|
.get = qdev_propinfo_get_size32,
|
|
.set = set_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
|
|
* array element. Note that the struct Property must be first
|
|
* in the struct so that a pointer to this works as the opaque
|
|
* for the underlying element's property hooks as well as for
|
|
* our own release callback.
|
|
*/
|
|
typedef struct {
|
|
struct Property prop;
|
|
char *propname;
|
|
ObjectPropertyRelease *release;
|
|
} ArrayElementProperty;
|
|
|
|
/* object property release callback for array element properties:
|
|
* we call the underlying element's property release hook, and
|
|
* then free the memory we allocated when we added the property.
|
|
*/
|
|
static void array_element_release(Object *obj, const char *name, void *opaque)
|
|
{
|
|
ArrayElementProperty *p = opaque;
|
|
if (p->release) {
|
|
p->release(obj, name, opaque);
|
|
}
|
|
g_free(p->propname);
|
|
g_free(p);
|
|
}
|
|
|
|
static void set_prop_arraylen(Object *obj, Visitor *v, const char *name,
|
|
void *opaque, Error **errp)
|
|
{
|
|
/* Setter for the property which defines the length of a
|
|
* variable-sized property array. As well as actually setting the
|
|
* 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(dev, prop);
|
|
void **arrayptr = (void *)dev + 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);
|
|
return;
|
|
}
|
|
if (!visit_type_uint32(v, name, alenptr, errp)) {
|
|
return;
|
|
}
|
|
if (!*alenptr) {
|
|
return;
|
|
}
|
|
|
|
/* DEFINE_PROP_ARRAY guarantees that name should start with this prefix;
|
|
* strip it off so we can get the name of the array itself.
|
|
*/
|
|
assert(strncmp(name, PROP_ARRAY_LEN_PREFIX,
|
|
strlen(PROP_ARRAY_LEN_PREFIX)) == 0);
|
|
arrayname = name + strlen(PROP_ARRAY_LEN_PREFIX);
|
|
|
|
/* Note that it is the responsibility of the individual device's deinit
|
|
* to free the array proper.
|
|
*/
|
|
*arrayptr = eltptr = g_malloc0(*alenptr * prop->arrayfieldsize);
|
|
for (i = 0; i < *alenptr; i++, eltptr += prop->arrayfieldsize) {
|
|
char *propname = g_strdup_printf("%s[%d]", arrayname, i);
|
|
ArrayElementProperty *arrayprop = g_new0(ArrayElementProperty, 1);
|
|
arrayprop->release = prop->arrayinfo->release;
|
|
arrayprop->propname = propname;
|
|
arrayprop->prop.info = prop->arrayinfo;
|
|
arrayprop->prop.name = propname;
|
|
/* This ugly piece of pointer arithmetic sets up the offset so
|
|
* that when the underlying get/set hooks call qdev_get_prop_ptr
|
|
* 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(dev, &arrayprop->prop) == eltptr);
|
|
object_property_add(obj, propname,
|
|
arrayprop->prop.info->name,
|
|
arrayprop->prop.info->get,
|
|
arrayprop->prop.info->set,
|
|
array_element_release,
|
|
arrayprop);
|
|
}
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_arraylen = {
|
|
.name = "uint32",
|
|
.get = get_uint32,
|
|
.set = set_prop_arraylen,
|
|
.set_default_value = qdev_propinfo_set_default_value_uint,
|
|
};
|
|
|
|
/* --- public helpers --- */
|
|
|
|
static Property *qdev_prop_walk(Property *props, const char *name)
|
|
{
|
|
if (!props) {
|
|
return NULL;
|
|
}
|
|
while (props->name) {
|
|
if (strcmp(props->name, name) == 0) {
|
|
return props;
|
|
}
|
|
props++;
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
static Property *qdev_prop_find(DeviceState *dev, const char *name)
|
|
{
|
|
ObjectClass *class;
|
|
Property *prop;
|
|
|
|
/* device properties */
|
|
class = object_get_class(OBJECT(dev));
|
|
do {
|
|
prop = qdev_prop_walk(DEVICE_CLASS(class)->props_, name);
|
|
if (prop) {
|
|
return prop;
|
|
}
|
|
class = object_class_get_parent(class);
|
|
} while (class != object_class_by_name(TYPE_DEVICE));
|
|
|
|
return NULL;
|
|
}
|
|
|
|
void error_set_from_qdev_prop_error(Error **errp, int ret, DeviceState *dev,
|
|
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);
|
|
break;
|
|
default:
|
|
case -EINVAL:
|
|
error_setg(errp, QERR_PROPERTY_VALUE_BAD,
|
|
object_get_typename(OBJECT(dev)), 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);
|
|
break;
|
|
case 0:
|
|
break;
|
|
}
|
|
}
|
|
|
|
void qdev_prop_set_bit(DeviceState *dev, const char *name, bool value)
|
|
{
|
|
object_property_set_bool(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint8(DeviceState *dev, const char *name, uint8_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint16(DeviceState *dev, const char *name, uint16_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint32(DeviceState *dev, const char *name, uint32_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_int32(DeviceState *dev, const char *name, int32_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_uint64(DeviceState *dev, const char *name, uint64_t value)
|
|
{
|
|
object_property_set_int(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_string(DeviceState *dev, const char *name, const char *value)
|
|
{
|
|
object_property_set_str(OBJECT(dev), name, value, &error_abort);
|
|
}
|
|
|
|
void qdev_prop_set_enum(DeviceState *dev, const char *name, int value)
|
|
{
|
|
Property *prop;
|
|
|
|
prop = qdev_prop_find(dev, name);
|
|
object_property_set_str(OBJECT(dev), name,
|
|
qapi_enum_lookup(prop->info->enum_table, value),
|
|
&error_abort);
|
|
}
|
|
|
|
static GPtrArray *global_props(void)
|
|
{
|
|
static GPtrArray *gp;
|
|
|
|
if (!gp) {
|
|
gp = g_ptr_array_new();
|
|
}
|
|
|
|
return gp;
|
|
}
|
|
|
|
void qdev_prop_register_global(GlobalProperty *prop)
|
|
{
|
|
g_ptr_array_add(global_props(), prop);
|
|
}
|
|
|
|
const GlobalProperty *qdev_find_global_prop(DeviceState *dev,
|
|
const char *name)
|
|
{
|
|
GPtrArray *props = global_props();
|
|
const GlobalProperty *p;
|
|
int i;
|
|
|
|
for (i = 0; i < props->len; i++) {
|
|
p = g_ptr_array_index(props, i);
|
|
if (object_dynamic_cast(OBJECT(dev), p->driver)
|
|
&& !strcmp(p->property, name)) {
|
|
return p;
|
|
}
|
|
}
|
|
return NULL;
|
|
}
|
|
|
|
int qdev_prop_check_globals(void)
|
|
{
|
|
int i, ret = 0;
|
|
|
|
for (i = 0; i < global_props()->len; i++) {
|
|
GlobalProperty *prop;
|
|
ObjectClass *oc;
|
|
DeviceClass *dc;
|
|
|
|
prop = g_ptr_array_index(global_props(), i);
|
|
if (prop->used) {
|
|
continue;
|
|
}
|
|
oc = object_class_by_name(prop->driver);
|
|
oc = object_class_dynamic_cast(oc, TYPE_DEVICE);
|
|
if (!oc) {
|
|
warn_report("global %s.%s has invalid class name",
|
|
prop->driver, prop->property);
|
|
ret = 1;
|
|
continue;
|
|
}
|
|
dc = DEVICE_CLASS(oc);
|
|
if (!dc->hotpluggable && !prop->used) {
|
|
warn_report("global %s.%s=%s not used",
|
|
prop->driver, prop->property, prop->value);
|
|
ret = 1;
|
|
continue;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
void qdev_prop_set_globals(DeviceState *dev)
|
|
{
|
|
object_apply_global_props(OBJECT(dev), global_props(),
|
|
dev->hotplugged ? NULL : &error_fatal);
|
|
}
|
|
|
|
/* --- 64bit unsigned int 'size' type --- */
|
|
|
|
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);
|
|
|
|
visit_type_size(v, name, ptr, errp);
|
|
}
|
|
|
|
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(dev, prop);
|
|
|
|
visit_type_size(v, name, ptr, errp);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_size = {
|
|
.name = "size",
|
|
.get = get_size,
|
|
.set = set_size,
|
|
.set_default_value = qdev_propinfo_set_default_value_uint,
|
|
};
|
|
|
|
/* --- object link property --- */
|
|
|
|
static void create_link_property(ObjectClass *oc, 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);
|
|
}
|
|
|
|
const PropertyInfo qdev_prop_link = {
|
|
.name = "link",
|
|
.create = create_link_property,
|
|
};
|