/* * Common device infrastructure for devices in the virtual css * * Copyright 2016 IBM Corp. * Author(s): Jing Liu <liujbjl@linux.vnet.ibm.com> * * This work is licensed under the terms of the GNU GPL, version 2 or (at * your option) any later version. See the COPYING file in the top-level * directory. */ #include "qemu/osdep.h" #include "ccw-device.h" #include "hw/qdev-properties.h" #include "qemu/module.h" static void ccw_device_refill_ids(CcwDevice *dev) { SubchDev *sch = dev->sch; assert(sch); dev->dev_id.cssid = sch->cssid; dev->dev_id.ssid = sch->ssid; dev->dev_id.devid = sch->devno; dev->dev_id.valid = true; dev->subch_id.cssid = sch->cssid; dev->subch_id.ssid = sch->ssid; dev->subch_id.devid = sch->schid; dev->subch_id.valid = true; } static void ccw_device_realize(CcwDevice *dev, Error **errp) { ccw_device_refill_ids(dev); } static Property ccw_device_properties[] = { DEFINE_PROP_CSS_DEV_ID("devno", CcwDevice, devno), DEFINE_PROP_CSS_DEV_ID_RO("dev_id", CcwDevice, dev_id), DEFINE_PROP_CSS_DEV_ID_RO("subch_id", CcwDevice, subch_id), DEFINE_PROP_END_OF_LIST(), }; static void ccw_device_reset(DeviceState *d) { CcwDevice *ccw_dev = CCW_DEVICE(d); css_reset_sch(ccw_dev->sch); } static void ccw_device_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); CCWDeviceClass *k = CCW_DEVICE_CLASS(klass); k->realize = ccw_device_realize; k->refill_ids = ccw_device_refill_ids; device_class_set_props(dc, ccw_device_properties); dc->reset = ccw_device_reset; } const VMStateDescription vmstate_ccw_dev = { .name = "s390_ccw_dev", .version_id = 1, .minimum_version_id = 1, .fields = (VMStateField[]) { VMSTATE_STRUCT_POINTER(sch, CcwDevice, vmstate_subch_dev, SubchDev), VMSTATE_END_OF_LIST() } }; static const TypeInfo ccw_device_info = { .name = TYPE_CCW_DEVICE, .parent = TYPE_DEVICE, .instance_size = sizeof(CcwDevice), .class_size = sizeof(CCWDeviceClass), .class_init = ccw_device_class_init, .abstract = true, }; static void ccw_device_register(void) { type_register_static(&ccw_device_info); } type_init(ccw_device_register)