| Message ID | 20250125181343.59151-4-philmd@linaro.org (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | hw/sysbus/platform-bus: Introduce TYPE_DYNAMIC_SYS_BUS_DEVICE | expand |
On 1/25/25 10:13, Philippe Mathieu-Daudé wrote: > Some TYPE_SYS_BUS_DEVICEs can be optionally dynamically > plugged on the TYPE_PLATFORM_BUS_DEVICE. > Rather than sometimes noting that with comment around > the 'user_creatable = true' line in each DeviceRealize > handler, introduce an abstract TYPE_DYNAMIC_SYS_BUS_DEVICE > class. > > Signed-off-by: Philippe Mathieu-Daudé<philmd@linaro.org> > --- > include/hw/sysbus.h | 2 ++ > hw/core/sysbus.c | 14 ++++++++++++++ > 2 files changed, 16 insertions(+) Reviewed-by: Richard Henderson <richard.henderson@linaro.org> r~
diff --git a/include/hw/sysbus.h b/include/hw/sysbus.h index c9b1e0e90e3..81bbda10d37 100644 --- a/include/hw/sysbus.h +++ b/include/hw/sysbus.h @@ -19,6 +19,8 @@ DECLARE_INSTANCE_CHECKER(BusState, SYSTEM_BUS, OBJECT_DECLARE_TYPE(SysBusDevice, SysBusDeviceClass, SYS_BUS_DEVICE) +#define TYPE_DYNAMIC_SYS_BUS_DEVICE "dynamic-sysbus-device" + /** * SysBusDeviceClass: * diff --git a/hw/core/sysbus.c b/hw/core/sysbus.c index 306f98406c0..e8d03fd28d9 100644 --- a/hw/core/sysbus.c +++ b/hw/core/sysbus.c @@ -321,6 +321,14 @@ BusState *sysbus_get_default(void) return main_system_bus; } +static void dynamic_sysbus_device_class_init(ObjectClass *klass, void *data) +{ + DeviceClass *k = DEVICE_CLASS(klass); + + k->user_creatable = true; + k->hotpluggable = false; +} + static const TypeInfo sysbus_types[] = { { .name = TYPE_SYSTEM_BUS, @@ -336,6 +344,12 @@ static const TypeInfo sysbus_types[] = { .class_size = sizeof(SysBusDeviceClass), .class_init = sysbus_device_class_init, }, + { + .name = TYPE_DYNAMIC_SYS_BUS_DEVICE, + .parent = TYPE_SYS_BUS_DEVICE, + .class_init = dynamic_sysbus_device_class_init, + .abstract = true, + } }; DEFINE_TYPES(sysbus_types)
Some TYPE_SYS_BUS_DEVICEs can be optionally dynamically plugged on the TYPE_PLATFORM_BUS_DEVICE. Rather than sometimes noting that with comment around the 'user_creatable = true' line in each DeviceRealize handler, introduce an abstract TYPE_DYNAMIC_SYS_BUS_DEVICE class. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> --- include/hw/sysbus.h | 2 ++ hw/core/sysbus.c | 14 ++++++++++++++ 2 files changed, 16 insertions(+)