#include "net.h"
#include "qdev.h"
#include "sysemu.h"
+#include "error.h"
int qdev_hotplug = 0;
static bool qdev_hot_added = false;
static bool qdev_hot_removed = false;
-/* This is a nasty hack to allow passing a NULL bus to qdev_create. */
-static BusState *main_system_bus;
-static void main_system_bus_create(void);
-
-/* Register a new device type. */
const VMStateDescription *qdev_get_vmsd(DeviceState *dev)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
return dc->vmsd;
}
-BusInfo *qdev_get_bus_info(DeviceState *dev)
-{
- DeviceClass *dc = DEVICE_GET_CLASS(dev);
- return dc->bus_info;
-}
-
-Property *qdev_get_props(DeviceState *dev)
-{
- DeviceClass *dc = DEVICE_GET_CLASS(dev);
- return dc->props;
-}
-
const char *qdev_fw_name(DeviceState *dev)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
return object_get_typename(OBJECT(dev));
}
-bool qdev_exists(const char *name)
-{
- return !!object_class_by_name(name);
-}
-
static void qdev_property_add_legacy(DeviceState *dev, Property *prop,
Error **errp);
-void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
+static void bus_remove_child(BusState *bus, DeviceState *child)
{
- Property *prop;
+ BusChild *kid;
+
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ if (kid->child == child) {
+ char name[32];
+
+ snprintf(name, sizeof(name), "child[%d]", kid->index);
+ QTAILQ_REMOVE(&bus->children, kid, sibling);
+ object_property_del(OBJECT(bus), name, NULL);
+ g_free(kid);
+ return;
+ }
+ }
+}
+
+static void bus_add_child(BusState *bus, DeviceState *child)
+{
+ char name[32];
+ BusChild *kid = g_malloc0(sizeof(*kid));
if (qdev_hotplug) {
assert(bus->allow_hotplug);
}
- dev->parent_bus = bus;
- QTAILQ_INSERT_HEAD(&bus->children, dev, sibling);
+ kid->index = bus->max_index++;
+ kid->child = child;
- qdev_prop_set_defaults(dev, dev->parent_bus->info->props);
- for (prop = qdev_get_bus_info(dev)->props; prop && prop->name; prop++) {
- qdev_property_add_legacy(dev, prop, NULL);
- qdev_property_add_static(dev, prop, NULL);
- }
+ QTAILQ_INSERT_HEAD(&bus->children, kid, sibling);
+
+ snprintf(name, sizeof(name), "child[%d]", kid->index);
+ object_property_add_link(OBJECT(bus), name,
+ object_get_typename(OBJECT(child)),
+ (Object **)&kid->child,
+ NULL);
+}
+
+void qdev_set_parent_bus(DeviceState *dev, BusState *bus)
+{
+ dev->parent_bus = bus;
+ bus_add_child(bus, dev);
}
/* Create a new device. This only initializes the device state structure
if (!dev) {
if (bus) {
hw_error("Unknown device '%s' for bus '%s'\n", name,
- bus->info->name);
+ object_get_typename(OBJECT(bus)));
} else {
hw_error("Unknown device '%s' for default sysbus\n", name);
}
return dev;
}
-DeviceState *qdev_try_create(BusState *bus, const char *name)
+DeviceState *qdev_try_create(BusState *bus, const char *type)
{
DeviceState *dev;
- dev = DEVICE(object_new(name));
+ if (object_class_by_name(type) == NULL) {
+ return NULL;
+ }
+ dev = DEVICE(object_new(type));
if (!dev) {
return NULL;
}
}
qdev_set_parent_bus(dev, bus);
- qdev_prop_set_globals(dev);
return dev;
}
qdev_free(dev);
return rc;
}
+
+ if (!OBJECT(dev)->parent) {
+ static int unattached_count = 0;
+ gchar *name = g_strdup_printf("device[%d]", unattached_count++);
+
+ object_property_add_child(container_get(qdev_get_machine(),
+ "/unattached"),
+ name, OBJECT(dev), NULL);
+ g_free(name);
+ }
+
if (qdev_get_vmsd(dev)) {
vmstate_register_with_alias_id(dev, -1, qdev_get_vmsd(dev), dev,
dev->instance_id_alias,
dev->alias_required_for_version = required_for_version;
}
-int qdev_unplug(DeviceState *dev)
+void qdev_unplug(DeviceState *dev, Error **errp)
{
DeviceClass *dc = DEVICE_GET_CLASS(dev);
if (!dev->parent_bus->allow_hotplug) {
- qerror_report(QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
- return -1;
+ error_set(errp, QERR_BUS_NO_HOTPLUG, dev->parent_bus->name);
+ return;
}
assert(dc->unplug != NULL);
qdev_hot_removed = true;
- return dc->unplug(dev);
+ if (dc->unplug(dev) < 0) {
+ error_set(errp, QERR_UNDEFINED_ERROR);
+ return;
+ }
}
static int qdev_reset_one(DeviceState *dev, void *opaque)
return 0;
}
-BusState *sysbus_get_default(void)
-{
- if (!main_system_bus) {
- main_system_bus_create();
- }
- return main_system_bus;
-}
-
static int qbus_reset_one(BusState *bus, void *opaque)
{
- if (bus->info->reset) {
- return bus->info->reset(bus);
+ BusClass *bc = BUS_GET_CLASS(bus);
+ if (bc->reset) {
+ return bc->reset(bus);
}
return 0;
}
way is somewhat unclean, and best avoided. */
void qdev_init_nofail(DeviceState *dev)
{
+ const char *typename = object_get_typename(OBJECT(dev));
+
if (qdev_init(dev) < 0) {
- error_report("Initialization of device %s failed",
- object_get_typename(OBJECT(dev)));
+ error_report("Initialization of device %s failed", typename);
exit(1);
}
}
-static void qdev_property_del_all(DeviceState *dev)
-{
- while (!QTAILQ_EMPTY(&dev->properties)) {
- DeviceProperty *prop = QTAILQ_FIRST(&dev->properties);
-
- QTAILQ_REMOVE(&dev->properties, prop, node);
-
- if (prop->release) {
- prop->release(dev, prop->name, prop->opaque);
- }
-
- g_free(prop->name);
- g_free(prop->type);
- g_free(prop);
- }
-}
-
-static void qdev_property_del_child(DeviceState *dev, DeviceState *child, Error **errp)
-{
- DeviceProperty *prop;
-
- QTAILQ_FOREACH(prop, &dev->properties, node) {
- if (strstart(prop->type, "child<", NULL) && prop->opaque == child) {
- break;
- }
- }
-
- g_assert(prop != NULL);
-
- QTAILQ_REMOVE(&dev->properties, prop, node);
-
- if (prop->release) {
- prop->release(dev, prop->name, prop->opaque);
- }
-
- g_free(prop->name);
- g_free(prop->type);
- g_free(prop);
-}
-
/* Unlink device from bus and free the structure. */
void qdev_free(DeviceState *dev)
{
- BusState *bus;
- Property *prop;
- DeviceClass *dc = DEVICE_GET_CLASS(dev);
-
- qdev_property_del_all(dev);
-
- if (dev->state == DEV_STATE_INITIALIZED) {
- while (dev->num_child_bus) {
- bus = QLIST_FIRST(&dev->child_bus);
- qbus_free(bus);
- }
- if (qdev_get_vmsd(dev)) {
- vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
- }
- if (dc->exit) {
- dc->exit(dev);
- }
- if (dev->opts) {
- qemu_opts_del(dev->opts);
- }
- }
- QTAILQ_REMOVE(&dev->parent_bus->children, dev, sibling);
- for (prop = qdev_get_props(dev); prop && prop->name; prop++) {
- if (prop->info->free) {
- prop->info->free(dev, prop);
- }
- }
- if (dev->parent) {
- qdev_property_del_child(dev->parent, dev, NULL);
- }
- if (dev->ref != 0) {
- qerror_report(QERR_DEVICE_IN_USE, dev->id?:"");
- }
object_delete(OBJECT(dev));
}
void qdev_init_gpio_in(DeviceState *dev, qemu_irq_handler handler, int n)
{
- assert(dev->num_gpio_in == 0);
- dev->num_gpio_in = n;
- dev->gpio_in = qemu_allocate_irqs(handler, dev, n);
+ dev->gpio_in = qemu_extend_irqs(dev->gpio_in, dev->num_gpio_in, handler,
+ dev, n);
+ dev->num_gpio_in += n;
}
void qdev_init_gpio_out(DeviceState *dev, qemu_irq *pins, int n)
void qdev_set_nic_properties(DeviceState *dev, NICInfo *nd)
{
qdev_prop_set_macaddr(dev, "mac", nd->macaddr.a);
- if (nd->vlan)
- qdev_prop_set_vlan(dev, "vlan", nd->vlan);
if (nd->netdev)
qdev_prop_set_netdev(dev, "netdev", nd->netdev);
if (nd->nvectors != DEV_NVECTORS_UNSPECIFIED &&
- qdev_prop_exists(dev, "vectors")) {
+ object_property_find(OBJECT(dev), "vectors", NULL)) {
qdev_prop_set_uint32(dev, "vectors", nd->nvectors);
}
nd->instantiated = 1;
int qbus_walk_children(BusState *bus, qdev_walkerfn *devfn,
qbus_walkerfn *busfn, void *opaque)
{
- DeviceState *dev;
+ BusChild *kid;
int err;
if (busfn) {
}
}
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
- err = qdev_walk_children(dev, devfn, busfn, opaque);
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ err = qdev_walk_children(kid->child, devfn, busfn, opaque);
if (err < 0) {
return err;
}
DeviceState *qdev_find_recursive(BusState *bus, const char *id)
{
- DeviceState *dev, *ret;
+ BusChild *kid;
+ DeviceState *ret;
BusState *child;
- QTAILQ_FOREACH(dev, &bus->children, sibling) {
- if (dev->id && strcmp(dev->id, id) == 0)
+ QTAILQ_FOREACH(kid, &bus->children, sibling) {
+ DeviceState *dev = kid->child;
+
+ if (dev->id && strcmp(dev->id, id) == 0) {
return dev;
+ }
+
QLIST_FOREACH(child, &dev->child_bus, sibling) {
ret = qdev_find_recursive(child, id);
if (ret) {
return NULL;
}
-void qbus_create_inplace(BusState *bus, BusInfo *info,
- DeviceState *parent, const char *name)
+static void qbus_realize(BusState *bus)
{
+ const char *typename = object_get_typename(OBJECT(bus));
char *buf;
int i,len;
- bus->info = info;
- bus->parent = parent;
-
- if (name) {
+ if (bus->name) {
/* use supplied name */
- bus->name = g_strdup(name);
- } else if (parent && parent->id) {
+ } else if (bus->parent && bus->parent->id) {
/* parent device has id -> use it for bus name */
- len = strlen(parent->id) + 16;
+ len = strlen(bus->parent->id) + 16;
buf = g_malloc(len);
- snprintf(buf, len, "%s.%d", parent->id, parent->num_child_bus);
+ snprintf(buf, len, "%s.%d", bus->parent->id, bus->parent->num_child_bus);
bus->name = buf;
} else {
/* no id -> use lowercase bus type for bus name */
- len = strlen(info->name) + 16;
+ len = strlen(typename) + 16;
buf = g_malloc(len);
- len = snprintf(buf, len, "%s.%d", info->name,
- parent ? parent->num_child_bus : 0);
+ len = snprintf(buf, len, "%s.%d", typename,
+ bus->parent ? bus->parent->num_child_bus : 0);
for (i = 0; i < len; i++)
buf[i] = qemu_tolower(buf[i]);
bus->name = buf;
}
- QTAILQ_INIT(&bus->children);
- if (parent) {
- QLIST_INSERT_HEAD(&parent->child_bus, bus, sibling);
- parent->num_child_bus++;
- } else if (bus != main_system_bus) {
+ if (bus->parent) {
+ QLIST_INSERT_HEAD(&bus->parent->child_bus, bus, sibling);
+ bus->parent->num_child_bus++;
+ object_property_add_child(OBJECT(bus->parent), bus->name, OBJECT(bus), NULL);
+ } else if (bus != sysbus_get_default()) {
/* TODO: once all bus devices are qdevified,
only reset handler for main_system_bus should be registered here. */
qemu_register_reset(qbus_reset_all_fn, bus);
}
}
-BusState *qbus_create(BusInfo *info, DeviceState *parent, const char *name)
+void qbus_create_inplace(BusState *bus, const char *typename,
+ DeviceState *parent, const char *name)
{
- BusState *bus;
+ object_initialize(bus, typename);
- bus = g_malloc0(info->size);
- bus->qdev_allocated = 1;
- qbus_create_inplace(bus, info, parent, name);
- return bus;
+ bus->parent = parent;
+ bus->name = name ? g_strdup(name) : NULL;
+ qbus_realize(bus);
}
-static void main_system_bus_create(void)
+BusState *qbus_create(const char *typename, DeviceState *parent, const char *name)
{
- /* assign main_system_bus before qbus_create_inplace()
- * in order to make "if (bus != main_system_bus)" work */
- main_system_bus = g_malloc0(system_bus_info.size);
- main_system_bus->qdev_allocated = 1;
- qbus_create_inplace(main_system_bus, &system_bus_info, NULL,
- "main-system-bus");
+ BusState *bus;
+
+ bus = BUS(object_new(typename));
+ bus->qom_allocated = true;
+
+ bus->parent = parent;
+ bus->name = name ? g_strdup(name) : NULL;
+ qbus_realize(bus);
+
+ return bus;
}
void qbus_free(BusState *bus)
{
- DeviceState *dev;
-
- while ((dev = QTAILQ_FIRST(&bus->children)) != NULL) {
- qdev_free(dev);
- }
- if (bus->parent) {
- QLIST_REMOVE(bus, sibling);
- bus->parent->num_child_bus--;
+ if (bus->qom_allocated) {
+ object_delete(OBJECT(bus));
} else {
- assert(bus != main_system_bus); /* main_system_bus is never freed */
- qemu_unregister_reset(qbus_reset_all_fn, bus);
+ object_finalize(OBJECT(bus));
+ if (bus->glib_allocated) {
+ g_free(bus);
+ }
}
- g_free((void*)bus->name);
- if (bus->qdev_allocated) {
- g_free(bus);
+}
+
+static char *bus_get_fw_dev_path(BusState *bus, DeviceState *dev)
+{
+ BusClass *bc = BUS_GET_CLASS(bus);
+
+ if (bc->get_fw_dev_path) {
+ return bc->get_fw_dev_path(dev);
}
+
+ return NULL;
}
static int qdev_get_fw_dev_path_helper(DeviceState *dev, char *p, int size)
if (dev && dev->parent_bus) {
char *d;
l = qdev_get_fw_dev_path_helper(dev->parent_bus->parent, p, size);
- if (dev->parent_bus->info->get_fw_dev_path) {
- d = dev->parent_bus->info->get_fw_dev_path(dev);
+ d = bus_get_fw_dev_path(dev->parent_bus, dev);
+ if (d) {
l += snprintf(p + l, size - l, "%s", d);
g_free(d);
} else {
path[l-1] = '\0';
- return strdup(path);
-}
-
-char *qdev_get_type(DeviceState *dev, Error **errp)
-{
- return g_strdup(object_get_typename(OBJECT(dev)));
-}
-
-void qdev_ref(DeviceState *dev)
-{
- dev->ref++;
-}
-
-void qdev_unref(DeviceState *dev)
-{
- g_assert(dev->ref > 0);
- dev->ref--;
-}
-
-void qdev_property_add(DeviceState *dev, const char *name, const char *type,
- DevicePropertyAccessor *get, DevicePropertyAccessor *set,
- DevicePropertyRelease *release,
- void *opaque, Error **errp)
-{
- DeviceProperty *prop = g_malloc0(sizeof(*prop));
-
- prop->name = g_strdup(name);
- prop->type = g_strdup(type);
-
- prop->get = get;
- prop->set = set;
- prop->release = release;
- prop->opaque = opaque;
-
- QTAILQ_INSERT_TAIL(&dev->properties, prop, node);
-}
-
-static DeviceProperty *qdev_property_find(DeviceState *dev, const char *name)
-{
- DeviceProperty *prop;
-
- QTAILQ_FOREACH(prop, &dev->properties, node) {
- if (strcmp(prop->name, name) == 0) {
- return prop;
- }
- }
-
- return NULL;
+ return g_strdup(path);
}
-void qdev_property_get(DeviceState *dev, Visitor *v, const char *name,
- Error **errp)
+char *qdev_get_dev_path(DeviceState *dev)
{
- DeviceProperty *prop = qdev_property_find(dev, name);
+ BusClass *bc;
- if (prop == NULL) {
- error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
- return;
- }
-
- if (!prop->get) {
- error_set(errp, QERR_PERMISSION_DENIED);
- } else {
- prop->get(dev, v, prop->opaque, name, errp);
- }
-}
-
-void qdev_property_set(DeviceState *dev, Visitor *v, const char *name,
- Error **errp)
-{
- DeviceProperty *prop = qdev_property_find(dev, name);
-
- if (prop == NULL) {
- error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
- return;
+ if (!dev || !dev->parent_bus) {
+ return NULL;
}
- if (!prop->set) {
- error_set(errp, QERR_PERMISSION_DENIED);
- } else {
- prop->set(dev, v, prop->opaque, name, errp);
+ bc = BUS_GET_CLASS(dev->parent_bus);
+ if (bc->get_dev_path) {
+ return bc->get_dev_path(dev);
}
-}
-const char *qdev_property_get_type(DeviceState *dev, const char *name, Error **errp)
-{
- DeviceProperty *prop = qdev_property_find(dev, name);
-
- if (prop == NULL) {
- error_set(errp, QERR_PROPERTY_NOT_FOUND, dev->id?:"", name);
- return NULL;
- }
-
- return prop->type;
+ return NULL;
}
/**
* Legacy property handling
*/
-static void qdev_get_legacy_property(DeviceState *dev, Visitor *v, void *opaque,
+static void qdev_get_legacy_property(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
+ DeviceState *dev = DEVICE(obj);
Property *prop = opaque;
char buffer[1024];
visit_type_str(v, &ptr, name, errp);
}
-static void qdev_set_legacy_property(DeviceState *dev, Visitor *v, void *opaque,
+static void qdev_set_legacy_property(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
{
+ DeviceState *dev = DEVICE(obj);
Property *prop = opaque;
Error *local_err = NULL;
char *ptr = NULL;
* Do not use this is new code! Properties added through this interface will
* be given names and types in the "legacy" namespace.
*
- * Legacy properties are always processed as strings. The format of the string
- * depends on the property type.
+ * Legacy properties are string versions of other OOM properties. The format
+ * of the string depends on the property type.
*/
void qdev_property_add_legacy(DeviceState *dev, Property *prop,
Error **errp)
{
gchar *name, *type;
+ /* Register pointer properties as legacy properties */
+ if (!prop->info->print && !prop->info->parse &&
+ (prop->info->set || prop->info->get)) {
+ return;
+ }
+
name = g_strdup_printf("legacy-%s", prop->name);
type = g_strdup_printf("legacy<%s>",
prop->info->legacy_name ?: prop->info->name);
- qdev_property_add(dev, name, type,
- prop->info->print ? qdev_get_legacy_property : NULL,
- prop->info->parse ? qdev_set_legacy_property : NULL,
- NULL,
- prop, errp);
+ object_property_add(OBJECT(dev), name, type,
+ prop->info->print ? qdev_get_legacy_property : prop->info->get,
+ prop->info->parse ? qdev_set_legacy_property : prop->info->set,
+ NULL,
+ prop, errp);
g_free(type);
g_free(name);
void qdev_property_add_static(DeviceState *dev, Property *prop,
Error **errp)
{
- qdev_property_add(dev, prop->name, prop->info->name,
- prop->info->get, prop->info->set,
- NULL,
- prop, errp);
-}
-
-DeviceState *qdev_get_root(void)
-{
- static DeviceState *qdev_root;
-
- if (!qdev_root) {
- qdev_root = qdev_create(NULL, "container");
- qdev_init_nofail(qdev_root);
- }
-
- return qdev_root;
-}
-
-static void qdev_get_child_property(DeviceState *dev, Visitor *v, void *opaque,
- const char *name, Error **errp)
-{
- DeviceState *child = opaque;
- gchar *path;
-
- path = qdev_get_canonical_path(child);
- visit_type_str(v, &path, name, errp);
- g_free(path);
-}
-
-static void qdev_release_child_property(DeviceState *dev, const char *name,
- void *opaque)
-{
- DeviceState *child = opaque;
-
- qdev_unref(child);
-}
-
-void qdev_property_add_child(DeviceState *dev, const char *name,
- DeviceState *child, Error **errp)
-{
- gchar *type;
-
- type = g_strdup_printf("child<%s>", object_get_typename(OBJECT(child)));
-
- qdev_property_add(dev, name, type, qdev_get_child_property,
- NULL, qdev_release_child_property,
- child, errp);
-
- qdev_ref(child);
- g_assert(child->parent == NULL);
- child->parent = dev;
-
- g_free(type);
-}
-
-static void qdev_get_link_property(DeviceState *dev, Visitor *v, void *opaque,
- const char *name, Error **errp)
-{
- DeviceState **child = opaque;
- gchar *path;
+ Error *local_err = NULL;
+ Object *obj = OBJECT(dev);
- if (*child) {
- path = qdev_get_canonical_path(*child);
- visit_type_str(v, &path, name, errp);
- g_free(path);
- } else {
- path = (gchar *)"";
- visit_type_str(v, &path, name, errp);
+ /*
+ * TODO qdev_prop_ptr does not have getters or setters. It must
+ * go now that it can be replaced with links. The test should be
+ * removed along with it: all static properties are read/write.
+ */
+ if (!prop->info->get && !prop->info->set) {
+ return;
}
-}
-
-static void qdev_set_link_property(DeviceState *dev, Visitor *v, void *opaque,
- const char *name, Error **errp)
-{
- DeviceState **child = opaque;
- bool ambiguous = false;
- const char *type;
- char *path;
- type = qdev_property_get_type(dev, name, NULL);
+ object_property_add(obj, prop->name, prop->info->name,
+ prop->info->get, prop->info->set,
+ prop->info->release,
+ prop, &local_err);
- visit_type_str(v, &path, name, errp);
-
- if (*child) {
- qdev_unref(*child);
+ if (local_err) {
+ error_propagate(errp, local_err);
+ return;
}
-
- if (strcmp(path, "") != 0) {
- DeviceState *target;
-
- target = qdev_resolve_path(path, &ambiguous);
- if (target) {
- gchar *target_type;
-
- target_type = g_strdup_printf("link<%s>", object_get_typename(OBJECT(target)));
- if (strcmp(target_type, type) == 0) {
- *child = target;
- qdev_ref(target);
- } else {
- error_set(errp, QERR_INVALID_PARAMETER_TYPE, name, type);
- }
-
- g_free(target_type);
- } else {
- error_set(errp, QERR_DEVICE_NOT_FOUND, path);
- }
- } else {
- *child = NULL;
+ if (prop->qtype == QTYPE_NONE) {
+ return;
}
- g_free(path);
-}
-
-void qdev_property_add_link(DeviceState *dev, const char *name,
- const char *type, DeviceState **child,
- Error **errp)
-{
- gchar *full_type;
-
- full_type = g_strdup_printf("link<%s>", type);
-
- qdev_property_add(dev, name, full_type,
- qdev_get_link_property,
- qdev_set_link_property,
- NULL, child, errp);
-
- g_free(full_type);
-}
-
-gchar *qdev_get_canonical_path(DeviceState *dev)
-{
- DeviceState *root = qdev_get_root();
- char *newpath = NULL, *path = NULL;
-
- while (dev != root) {
- DeviceProperty *prop = NULL;
-
- g_assert(dev->parent != NULL);
-
- QTAILQ_FOREACH(prop, &dev->parent->properties, node) {
- if (!strstart(prop->type, "child<", NULL)) {
- continue;
- }
-
- if (prop->opaque == dev) {
- if (path) {
- newpath = g_strdup_printf("%s/%s", prop->name, path);
- g_free(path);
- path = newpath;
- } else {
- path = g_strdup(prop->name);
- }
- break;
- }
- }
-
- g_assert(prop != NULL);
-
- dev = dev->parent;
+ if (prop->qtype == QTYPE_QBOOL) {
+ object_property_set_bool(obj, prop->defval, prop->name, &local_err);
+ } else if (prop->info->enum_table) {
+ object_property_set_str(obj, prop->info->enum_table[prop->defval],
+ prop->name, &local_err);
+ } else if (prop->qtype == QTYPE_QINT) {
+ object_property_set_int(obj, prop->defval, prop->name, &local_err);
}
-
- newpath = g_strdup_printf("/%s", path);
- g_free(path);
-
- return newpath;
+ assert_no_error(local_err);
}
-static DeviceState *qdev_resolve_abs_path(DeviceState *parent,
- gchar **parts,
- int index)
+static void device_initfn(Object *obj)
{
- DeviceProperty *prop;
- DeviceState *child;
-
- if (parts[index] == NULL) {
- return parent;
- }
+ DeviceState *dev = DEVICE(obj);
+ ObjectClass *class;
+ Property *prop;
- if (strcmp(parts[index], "") == 0) {
- return qdev_resolve_abs_path(parent, parts, index + 1);
+ if (qdev_hotplug) {
+ dev->hotplugged = 1;
+ qdev_hot_added = true;
}
- prop = qdev_property_find(parent, parts[index]);
- if (prop == NULL) {
- return NULL;
- }
+ dev->instance_id_alias = -1;
+ dev->state = DEV_STATE_CREATED;
- child = NULL;
- if (strstart(prop->type, "link<", NULL)) {
- DeviceState **pchild = prop->opaque;
- if (*pchild) {
- child = *pchild;
+ class = object_get_class(OBJECT(dev));
+ do {
+ for (prop = DEVICE_CLASS(class)->props; prop && prop->name; prop++) {
+ qdev_property_add_legacy(dev, prop, NULL);
+ qdev_property_add_static(dev, prop, NULL);
}
- } else if (strstart(prop->type, "child<", NULL)) {
- child = prop->opaque;
- }
-
- if (!child) {
- return NULL;
- }
+ class = object_class_get_parent(class);
+ } while (class != object_class_by_name(TYPE_DEVICE));
+ qdev_prop_set_globals(dev);
- return qdev_resolve_abs_path(child, parts, index + 1);
+ object_property_add_link(OBJECT(dev), "parent_bus", TYPE_BUS,
+ (Object **)&dev->parent_bus, NULL);
}
-static DeviceState *qdev_resolve_partial_path(DeviceState *parent,
- gchar **parts,
- bool *ambiguous)
+/* Unlink device from bus and free the structure. */
+static void device_finalize(Object *obj)
{
- DeviceState *dev;
- DeviceProperty *prop;
-
- dev = qdev_resolve_abs_path(parent, parts, 0);
-
- QTAILQ_FOREACH(prop, &parent->properties, node) {
- DeviceState *found;
+ DeviceState *dev = DEVICE(obj);
+ BusState *bus;
+ DeviceClass *dc = DEVICE_GET_CLASS(dev);
- if (!strstart(prop->type, "child<", NULL)) {
- continue;
+ if (dev->state == DEV_STATE_INITIALIZED) {
+ while (dev->num_child_bus) {
+ bus = QLIST_FIRST(&dev->child_bus);
+ qbus_free(bus);
}
-
- found = qdev_resolve_partial_path(prop->opaque, parts, ambiguous);
- if (found) {
- if (dev) {
- if (ambiguous) {
- *ambiguous = true;
- }
- return NULL;
- }
- dev = found;
+ if (qdev_get_vmsd(dev)) {
+ vmstate_unregister(dev, qdev_get_vmsd(dev), dev);
}
-
- if (ambiguous && *ambiguous) {
- return NULL;
+ if (dc->exit) {
+ dc->exit(dev);
+ }
+ if (dev->opts) {
+ qemu_opts_del(dev->opts);
}
}
-
- return dev;
+ if (dev->parent_bus) {
+ bus_remove_child(dev->parent_bus, dev);
+ }
}
-DeviceState *qdev_resolve_path(const char *path, bool *ambiguous)
+static void device_class_base_init(ObjectClass *class, void *data)
{
- bool partial_path = true;
- DeviceState *dev;
- gchar **parts;
-
- parts = g_strsplit(path, "/", 0);
- if (parts == NULL || parts[0] == NULL) {
- g_strfreev(parts);
- return qdev_get_root();
- }
+ DeviceClass *klass = DEVICE_CLASS(class);
- if (strcmp(parts[0], "") == 0) {
- partial_path = false;
- }
-
- if (partial_path) {
- if (ambiguous) {
- *ambiguous = false;
- }
- dev = qdev_resolve_partial_path(qdev_get_root(), parts, ambiguous);
- } else {
- dev = qdev_resolve_abs_path(qdev_get_root(), parts, 1);
- }
-
- g_strfreev(parts);
-
- return dev;
+ /* We explicitly look up properties in the superclasses,
+ * so do not propagate them to the subclasses.
+ */
+ klass->props = NULL;
}
-typedef struct StringProperty
-{
- char *(*get)(DeviceState *, Error **);
- void (*set)(DeviceState *, const char *, Error **);
-} StringProperty;
-
-static void qdev_property_get_str(DeviceState *dev, Visitor *v, void *opaque,
- const char *name, Error **errp)
+void device_reset(DeviceState *dev)
{
- StringProperty *prop = opaque;
- char *value;
+ DeviceClass *klass = DEVICE_GET_CLASS(dev);
- value = prop->get(dev, errp);
- if (value) {
- visit_type_str(v, &value, name, errp);
- g_free(value);
+ if (klass->reset) {
+ klass->reset(dev);
}
}
-static void qdev_property_set_str(DeviceState *dev, Visitor *v, void *opaque,
- const char *name, Error **errp)
+Object *qdev_get_machine(void)
{
- StringProperty *prop = opaque;
- char *value;
- Error *local_err = NULL;
+ static Object *dev;
- visit_type_str(v, &value, name, &local_err);
- if (local_err) {
- error_propagate(errp, local_err);
- return;
+ if (dev == NULL) {
+ dev = container_get(object_get_root(), "/machine");
}
- prop->set(dev, value, errp);
- g_free(value);
+ return dev;
}
-static void qdev_property_release_str(DeviceState *dev, const char *name,
- void *opaque)
-{
- StringProperty *prop = opaque;
- g_free(prop);
-}
+static TypeInfo device_type_info = {
+ .name = TYPE_DEVICE,
+ .parent = TYPE_OBJECT,
+ .instance_size = sizeof(DeviceState),
+ .instance_init = device_initfn,
+ .instance_finalize = device_finalize,
+ .class_base_init = device_class_base_init,
+ .abstract = true,
+ .class_size = sizeof(DeviceClass),
+};
-void qdev_property_add_str(DeviceState *dev, const char *name,
- char *(*get)(DeviceState *, Error **),
- void (*set)(DeviceState *, const char *, Error **),
- Error **errp)
+static void qbus_initfn(Object *obj)
{
- StringProperty *prop = g_malloc0(sizeof(*prop));
+ BusState *bus = BUS(obj);
- prop->get = get;
- prop->set = set;
-
- qdev_property_add(dev, name, "string",
- get ? qdev_property_get_str : NULL,
- set ? qdev_property_set_str : NULL,
- qdev_property_release_str,
- prop, errp);
+ QTAILQ_INIT(&bus->children);
}
-static void device_initfn(Object *obj)
+static void qbus_finalize(Object *obj)
{
- DeviceState *dev = DEVICE(obj);
- Property *prop;
-
- if (qdev_hotplug) {
- dev->hotplugged = 1;
- qdev_hot_added = true;
- }
-
- dev->instance_id_alias = -1;
- QTAILQ_INIT(&dev->properties);
- dev->state = DEV_STATE_CREATED;
+ BusState *bus = BUS(obj);
+ BusChild *kid;
- qdev_prop_set_defaults(dev, qdev_get_props(dev));
- for (prop = qdev_get_props(dev); prop && prop->name; prop++) {
- qdev_property_add_legacy(dev, prop, NULL);
- qdev_property_add_static(dev, prop, NULL);
+ while ((kid = QTAILQ_FIRST(&bus->children)) != NULL) {
+ DeviceState *dev = kid->child;
+ qdev_free(dev);
}
-
- qdev_property_add_str(dev, "type", qdev_get_type, NULL, NULL);
-}
-
-void device_reset(DeviceState *dev)
-{
- DeviceClass *klass = DEVICE_GET_CLASS(dev);
-
- if (klass->reset) {
- klass->reset(dev);
+ if (bus->parent) {
+ QLIST_REMOVE(bus, sibling);
+ bus->parent->num_child_bus--;
+ } else {
+ assert(bus != sysbus_get_default()); /* main_system_bus is never freed */
+ qemu_unregister_reset(qbus_reset_all_fn, bus);
}
+ g_free((char *)bus->name);
}
-static TypeInfo device_type_info = {
- .name = TYPE_DEVICE,
+static const TypeInfo bus_info = {
+ .name = TYPE_BUS,
.parent = TYPE_OBJECT,
- .instance_size = sizeof(DeviceState),
- .instance_init = device_initfn,
+ .instance_size = sizeof(BusState),
.abstract = true,
- .class_size = sizeof(DeviceClass),
+ .class_size = sizeof(BusClass),
+ .instance_init = qbus_initfn,
+ .instance_finalize = qbus_finalize,
};
-static void init_qdev(void)
+static void qdev_register_types(void)
{
+ type_register_static(&bus_info);
type_register_static(&device_type_info);
}
-device_init(init_qdev);
+type_init(qdev_register_types)
projects / qemu.git / blobdiff