diff options
Diffstat (limited to 'hw/core')
| -rw-r--r-- | hw/core/Makefile.objs | 2 | ||||
| -rw-r--r-- | hw/core/machine.c | 28 | ||||
| -rw-r--r-- | hw/core/qdev.c | 87 |
3 files changed, 102 insertions, 15 deletions
diff --git a/hw/core/Makefile.objs b/hw/core/Makefile.objs index 9e324befd6..981593c7e6 100644 --- a/hw/core/Makefile.objs +++ b/hw/core/Makefile.objs @@ -8,7 +8,7 @@ common-obj-$(CONFIG_EMPTY_SLOT) += empty_slot.o common-obj-$(CONFIG_XILINX_AXI) += stream.o common-obj-$(CONFIG_PTIMER) += ptimer.o common-obj-$(CONFIG_SOFTMMU) += sysbus.o +common-obj-$(CONFIG_SOFTMMU) += machine.o common-obj-$(CONFIG_SOFTMMU) += null-machine.o common-obj-$(CONFIG_SOFTMMU) += loader.o common-obj-$(CONFIG_SOFTMMU) += qdev-properties-system.o - diff --git a/hw/core/machine.c b/hw/core/machine.c new file mode 100644 index 0000000000..d3ffef7e07 --- /dev/null +++ b/hw/core/machine.c @@ -0,0 +1,28 @@ +/* + * QEMU Machine + * + * Copyright (C) 2014 Red Hat Inc + * + * Authors: + * Marcel Apfelbaum <marcel.a@redhat.com> + * + * This work is licensed under the terms of the GNU GPL, version 2 or later. + * See the COPYING file in the top-level directory. + */ + +#include "hw/boards.h" + +static const TypeInfo machine_info = { + .name = TYPE_MACHINE, + .parent = TYPE_OBJECT, + .abstract = true, + .class_size = sizeof(MachineClass), + .instance_size = sizeof(MachineState), +}; + +static void machine_register_types(void) +{ + type_register_static(&machine_info); +} + +type_init(machine_register_types) diff --git a/hw/core/qdev.c b/hw/core/qdev.c index 380976a066..9f0a522ee8 100644 --- a/hw/core/qdev.c +++ b/hw/core/qdev.c @@ -501,6 +501,45 @@ static void bus_unparent(Object *obj) } } +static bool bus_get_realized(Object *obj, Error **err) +{ + BusState *bus = BUS(obj); + + return bus->realized; +} + +static void bus_set_realized(Object *obj, bool value, Error **err) +{ + BusState *bus = BUS(obj); + BusClass *bc = BUS_GET_CLASS(bus); + Error *local_err = NULL; + + if (value && !bus->realized) { + if (bc->realize) { + bc->realize(bus, &local_err); + + if (local_err != NULL) { + goto error; + } + + } + } else if (!value && bus->realized) { + if (bc->unrealize) { + bc->unrealize(bus, &local_err); + + if (local_err != NULL) { + goto error; + } + } + } + + bus->realized = value; + return; + +error: + error_propagate(err, local_err); +} + void qbus_create_inplace(void *bus, size_t size, const char *typename, DeviceState *parent, const char *name) { @@ -677,6 +716,7 @@ static void device_set_realized(Object *obj, bool value, Error **err) { DeviceState *dev = DEVICE(obj); DeviceClass *dc = DEVICE_GET_CLASS(dev); + BusState *bus; Error *local_err = NULL; if (dev->hotplugged && !dc->hotpluggable) { @@ -710,14 +750,30 @@ static void device_set_realized(Object *obj, bool value, Error **err) dev->instance_id_alias, dev->alias_required_for_version); } + if (local_err == NULL) { + QLIST_FOREACH(bus, &dev->child_bus, sibling) { + object_property_set_bool(OBJECT(bus), true, "realized", + &local_err); + if (local_err != NULL) { + break; + } + } + } if (dev->hotplugged && local_err == NULL) { device_reset(dev); } } else if (!value && dev->realized) { - if (qdev_get_vmsd(dev)) { + QLIST_FOREACH(bus, &dev->child_bus, sibling) { + object_property_set_bool(OBJECT(bus), false, "realized", + &local_err); + if (local_err != NULL) { + break; + } + } + if (qdev_get_vmsd(dev) && local_err == NULL) { vmstate_unregister(dev, qdev_get_vmsd(dev), dev); } - if (dc->unrealize) { + if (dc->unrealize && local_err == NULL) { dc->unrealize(dev, &local_err); } } @@ -735,7 +791,8 @@ static bool device_get_hotpluggable(Object *obj, Error **err) DeviceClass *dc = DEVICE_GET_CLASS(obj); DeviceState *dev = DEVICE(obj); - return dc->hotpluggable && dev->parent_bus->allow_hotplug; + return dc->hotpluggable && (dev->parent_bus == NULL || + dev->parent_bus->allow_hotplug); } static void device_initfn(Object *obj) @@ -792,14 +849,6 @@ static void device_class_base_init(ObjectClass *class, void *data) * so do not propagate them to the subclasses. */ klass->props = NULL; - - /* by default all devices were considered as hotpluggable, - * so with intent to check it in generic qdev_unplug() / - * device_set_realized() functions make every device - * hotpluggable. Devices that shouldn't be hotpluggable, - * should override it in their class_init() - */ - klass->hotpluggable = true; } static void device_unparent(Object *obj) @@ -809,13 +858,13 @@ static void device_unparent(Object *obj) QObject *event_data; bool have_realized = dev->realized; + if (dev->realized) { + object_property_set_bool(obj, false, "realized", NULL); + } while (dev->num_child_bus) { bus = QLIST_FIRST(&dev->child_bus); object_unparent(OBJECT(bus)); } - if (dev->realized) { - object_property_set_bool(obj, false, "realized", NULL); - } if (dev->parent_bus) { bus_remove_child(dev->parent_bus, dev); object_unref(OBJECT(dev->parent_bus)); @@ -845,6 +894,14 @@ static void device_class_init(ObjectClass *class, void *data) class->unparent = device_unparent; dc->realize = device_realize; dc->unrealize = device_unrealize; + + /* by default all devices were considered as hotpluggable, + * so with intent to check it in generic qdev_unplug() / + * device_set_realized() functions make every device + * hotpluggable. Devices that shouldn't be hotpluggable, + * should override it in their class_init() + */ + dc->hotpluggable = true; } void device_reset(DeviceState *dev) @@ -888,6 +945,8 @@ static void qbus_initfn(Object *obj) object_property_add_link(obj, QDEV_HOTPLUG_HANDLER_PROPERTY, TYPE_HOTPLUG_HANDLER, (Object **)&bus->hotplug_handler, NULL); + object_property_add_bool(obj, "realized", + bus_get_realized, bus_set_realized, NULL); } static char *default_bus_get_fw_dev_path(DeviceState *dev) |